/* =============================================================================
   Vamsi Krishna — Studio Theme
   Refined Dark-Mode Interactive Portfolio Architecture
   Vanilla CSS. Pure Editorial & Systems Precision. No Framework Dependencies.
   ============================================================================= */

/* ── 0. Design System & CSS Custom Properties ────────────────────────────────── */
:root {
  /* Surface Palette (Deep Obsidian & Neutral Charcoal) */
  --canvas:             #090c10;
  --shell-bg:           #0e1219;
  --sidebar-bg:         #0a0d13;
  --card-bg:            #131822;
  --card-hover:         #171e2b;
  --elevated:           #1b2332;

  /* Hairline Borders */
  --border-subtle:      rgba(255, 255, 255, 0.06);
  --border-medium:      rgba(255, 255, 255, 0.10);
  --border-hover:       rgba(255, 255, 255, 0.16);

  /* Restrained Emerald Accent */
  --accent:             #10b981;
  --accent-hover:       #34d399;
  --accent-dim:         rgba(16, 185, 129, 0.08);
  --accent-border:      rgba(16, 185, 129, 0.22);
  --accent-glow:        rgba(16, 185, 129, 0.18);
  --accent-solid-text:  #022c22;

  /* Text Colors with Verified Contrast */
  --text-primary:       #f8fafc;
  --text-body:          #cbd5e1;
  --text-muted:         #94a3b8;
  --text-subtle:        #8897a8;

  /* ── Typography System (Single Family: Inter / System Font Stack) ── */
  --font-display:       'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body:          'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono:          'JetBrains Mono', SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Typography Scale Tokens (Strictly adhering to Mobile -> Desktop specs) */
  --text-hero:          clamp(1.875rem, 3.8vw, 3.125rem); /* 30px -> 50px */
  --line-hero:          1.15;
  --text-section:       clamp(1.45rem, 2.4vw, 2.0rem);     /* 23px -> 32px */
  --line-section:       1.2;
  --text-card-title:    1.125rem;                          /* 18px */
  --line-card-title:    1.35;
  --text-lead:          clamp(1.0rem, 1.2vw, 1.125rem);    /* 16px -> 18px */
  --line-lead:          1.6;
  --text-body-reg:      1.0625rem;                         /* 17px */
  --line-body-reg:      1.6;
  --text-ui:            0.9375rem;                         /* 15px */
  --text-meta:          0.875rem;                          /* 14px */
  --text-badge:         0.8125rem;                         /* 13px */

  /* Spacing Scale (8px Grid Precision) */
  --sp-1:   4px;
  --sp-2:   8px;
  --sp-3:  12px;
  --sp-4:  16px;
  --sp-5:  20px;
  --sp-6:  24px;
  --sp-8:  32px;
  --sp-10: 40px;
  --sp-12: 48px;
  --sp-16: 64px;

  /* Component Radii */
  --r-xs:  4px;
  --r-sm:  6px;
  --r-md:  10px;
  --r-lg:  14px;
  --r-xl:  18px;
  --r-2xl: 22px;

  /* Timing & Motion */
  --tx-fast:   0.15s ease;
  --tx-base:   0.22s cubic-bezier(0.16, 1, 0.3, 1);
  --tx-smooth: 0.28s cubic-bezier(0.16, 1, 0.3, 1);

  /* Restrained Depth Shadows */
  --shadow-shell: 0 0 60px rgba(0, 0, 0, 0.45);
  --shadow-card:  0 4px 16px rgba(0, 0, 0, 0.35);
  --shadow-hover: 0 12px 28px -6px rgba(0, 0, 0, 0.55);
}

/* ── Light Mode Color Overrides (System & Explicit Toggle Support) ──────────── */
[data-theme="light"],
body.light-mode {
  --canvas:             #f1f5f9;
  --shell-bg:           #ffffff;
  --sidebar-bg:         #f8fafc;
  --card-bg:            #ffffff;
  --card-hover:         #f8fafc;
  --elevated:           #f1f5f9;

  --border-subtle:      rgba(0, 0, 0, 0.08);
  --border-medium:      rgba(0, 0, 0, 0.14);
  --border-hover:       rgba(0, 0, 0, 0.22);

  --accent:             #059669;
  --accent-hover:       #047857;
  --accent-dim:         rgba(5, 150, 105, 0.09);
  --accent-border:      rgba(5, 150, 105, 0.28);
  --accent-glow:        rgba(5, 150, 105, 0.12);
  --accent-solid-text:  #ffffff;

  --text-primary:       #0f172a;
  --text-body:          #334155;
  --text-muted:         #64748b;
  --text-subtle:        #94a3b8;

  --shadow-shell:       0 4px 30px rgba(0, 0, 0, 0.08);
  --shadow-card:        0 2px 10px rgba(0, 0, 0, 0.04);
  --shadow-hover:       0 8px 24px -4px rgba(0, 0, 0, 0.10);
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --canvas:             #f1f5f9;
    --shell-bg:           #ffffff;
    --sidebar-bg:         #f8fafc;
    --card-bg:            #ffffff;
    --card-hover:         #f8fafc;
    --elevated:           #f1f5f9;

    --border-subtle:      rgba(0, 0, 0, 0.08);
    --border-medium:      rgba(0, 0, 0, 0.14);
    --border-hover:       rgba(0, 0, 0, 0.22);

    --accent:             #059669;
    --accent-hover:       #047857;
    --accent-dim:         rgba(5, 150, 105, 0.09);
    --accent-border:      rgba(5, 150, 105, 0.28);
    --accent-glow:        rgba(5, 150, 105, 0.12);
    --accent-solid-text:  #ffffff;

    --text-primary:       #0f172a;
    --text-body:          #334155;
    --text-muted:         #64748b;
    --text-subtle:        #94a3b8;

    --shadow-shell:       0 4px 30px rgba(0, 0, 0, 0.08);
    --shadow-card:        0 2px 10px rgba(0, 0, 0, 0.04);
    --shadow-hover:       0 8px 24px -4px rgba(0, 0, 0, 0.10);
  }
}

[data-theme="light"] .mobile-top-bar,
body.light-mode .mobile-top-bar {
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .mobile-bottom-nav,
body.light-mode .mobile-bottom-nav {
  background: rgba(255, 255, 255, 0.94);
  border-top: 1px solid rgba(0, 0, 0, 0.08);
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.08);
}

/* ── 1. Global Reset & Base Setup ────────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 15px;
  line-height: var(--line-body-reg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background: var(--canvas);
  color: var(--text-body);
  overflow-x: clip;
}

body.studio-body {
  font-family: var(--font-body);
  font-size: var(--text-body-reg);
  line-height: var(--line-body-reg);
  color: var(--text-body);
  background: var(--canvas);
  min-height: 100vh;
  position: relative;
  overflow-x: clip;
}

body.studio-body a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--tx-fast);
}
body.studio-body a:hover {
  color: var(--accent-hover);
}

body.studio-body ::selection {
  background: rgba(16, 185, 129, 0.25);
  color: var(--text-primary);
}

/* Global WCAG 2.4.7 Accessible Focus Indicators for Keyboard Navigation */
button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[role="button"]:focus-visible,
[role="tab"]:focus-visible {
  outline: 2px solid var(--accent) !important;
  outline-offset: 2px !important;
}

/* Scrollbar Styling */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.12);
  border-radius: 99px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* ── 2. Ambient Canvas Texture (High-Performance Static Gradient) ─────────────── */
.studio-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(circle 900px at 15% 10%, rgba(16, 185, 129, 0.04) 0%, transparent 70%),
    radial-gradient(circle 700px at 85% 90%, rgba(16, 185, 129, 0.02) 0%, transparent 65%),
    var(--canvas);
  pointer-events: none;
}

/* ── 3. App Shell — Desktop Layout ────────────────────────────────────────────── */
.studio-outer {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: center;
  min-height: 100vh;
  width: 100%;
}

.studio-shell {
  display: grid;
  grid-template-columns: 280px 1fr;
  width: 100%;
  max-width: 1440px;
  min-height: 100vh;
  background: var(--shell-bg);
  border-left: 1px solid var(--border-subtle);
  border-right: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-shell);
  position: relative;
}

/* ── 4. Persistent Desktop Left Sidebar ───────────────────────────────────────── */
.studio-sidebar {
  position: -webkit-sticky;
  position: sticky;
  top: 0;
  height: 100vh;
  max-height: 100vh;
  align-self: start;
  overflow-y: auto;
  z-index: 50;
  background: var(--sidebar-bg);
  border-right: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  padding: 24px 18px;
  scrollbar-width: thin;
}

/* Profile Card */
.sidebar-profile {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 16px;
  flex-shrink: 0;
}

.sidebar-avatar-wrap {
  position: relative;
  display: inline-block;
  margin-bottom: 10px;
}

.sidebar-avatar {
  width: 66px;
  height: 66px;
  border-radius: 50%;
  object-fit: cover;
  object-position: top center;
  border: 2px solid var(--border-medium);
  display: block;
}

.sidebar-avail-dot {
  position: absolute;
  bottom: 2px;
  right: 2px;
  width: 13px;
  height: 13px;
  background: var(--accent);
  border: 2.5px solid var(--sidebar-bg);
  border-radius: 50%;
}

.sidebar-name {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin-bottom: var(--sp-1);
}

.sidebar-role {
  font-family: var(--font-body);
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.45;
  max-width: 210px;
  margin-bottom: var(--sp-2);
}

.sidebar-avail-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  background: var(--accent-dim);
  border: 1px solid var(--accent-border);
  border-radius: 99px;
  font-family: var(--font-mono);
  font-size: var(--text-badge);
  color: var(--accent);
  font-weight: 500;
  letter-spacing: 0.02em;
}

/* Primary Navigation List & Smooth Glider */
.sidebar-nav {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  gap: 3px;
  list-style: none;
  position: relative;
  padding: 0;
  margin: 0;
}

.sidebar-nav-glider {
  position: absolute;
  left: 0;
  right: 0;
  border-radius: var(--r-md);
  background: var(--accent-dim);
  border: 1px solid var(--accent-border);
  pointer-events: none;
  transition: transform 0.20s cubic-bezier(0.16, 1, 0.3, 1),
              height 0.20s cubic-bezier(0.16, 1, 0.3, 1),
              opacity 0.20s ease;
  z-index: 0;
  opacity: 0;
}
.sidebar-nav-glider.is-visible {
  opacity: 1;
}

.sidebar-nav-item {
  position: relative;
  z-index: 1;
}

.sidebar-nav-btn {
  display: flex;
  align-items: center;
  gap: 11px;
  width: 100%;
  padding: 10px 12px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--r-md);
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: var(--text-ui);
  font-weight: 500;
  text-align: left;
  cursor: pointer;
  transition: color 0.20s ease, background-color 0.20s ease, border-color 0.20s ease;
  position: relative;
  outline: none;
}
.sidebar-nav-btn:hover {
  background-color: rgba(255, 255, 255, 0.04);
  color: var(--text-primary);
}

.sidebar-nav-btn .nav-icon {
  font-size: 0.98rem;
  color: var(--text-subtle);
  width: 18px;
  display: flex;
  justify-content: center;
  transition: color 0.20s ease;
  flex-shrink: 0;
}
.sidebar-nav-btn:hover .nav-icon {
  color: var(--accent);
}

.sidebar-nav-btn .nav-label {
  flex: 1;
  white-space: nowrap;
}

.sidebar-nav-btn .nav-badge {
  font-family: var(--font-mono);
  font-size: var(--text-badge);
  font-weight: 500;
  padding: 1px 7px;
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-subtle);
  transition: all var(--tx-fast);
}

.sidebar-nav-btn:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.035);
}
.sidebar-nav-btn:hover .nav-icon {
  color: var(--accent);
}

.sidebar-nav-btn[aria-selected="true"] {
  color: var(--text-primary);
  font-weight: 600;
}
.sidebar-nav-btn[aria-selected="true"] .nav-icon {
  color: var(--accent);
}
.sidebar-nav-btn[aria-selected="true"] .nav-badge {
  background: var(--accent-dim);
  border-color: var(--accent-border);
  color: var(--accent);
}

/* Active subtle left accent indicator */
.sidebar-nav-btn[aria-selected="true"]::before {
  content: '';
  position: absolute;
  left: 0;
  top: 7px;
  bottom: 7px;
  width: 3px;
  border-radius: 0 3px 3px 0;
  background: var(--accent);
}

.sidebar-nav-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}

/* Sidebar Footer & Socials */
.sidebar-footer {
  padding-top: 16px;
  border-top: 1px solid var(--border-subtle);
  margin-top: auto;
  flex-shrink: 0;
}

.sidebar-social-row {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-bottom: 12px;
}

.sidebar-social-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  background: var(--card-bg);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-sm);
  color: var(--text-muted);
  font-size: 0.95rem;
  transition: all var(--tx-fast);
  text-decoration: none;
}
.sidebar-social-btn:hover {
  background: var(--elevated);
  color: var(--accent);
  border-color: var(--border-hover);
}

.sidebar-cta-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  width: 100%;
  padding: 10px 14px;
  background: var(--accent);
  color: var(--accent-solid-text);
  border: none;
  border-radius: var(--r-md);
  font-family: var(--font-body);
  font-size: var(--text-ui);
  font-weight: 600;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: background var(--tx-fast), transform var(--tx-fast);
}
.sidebar-cta-btn:hover {
  background: var(--accent-hover);
  color: var(--accent-solid-text);
  transform: translateY(-1px);
}

/* ── 5. Main Content Stage & 2-Phase 3D Flip Section Transitions (450ms) ────── */
.studio-stage {
  min-height: 100vh;
  background: var(--shell-bg);
  position: relative;
  overflow-x: hidden;
  perspective: 1000px;
  perspective-origin: 50% 25%;
}

.studio-tab-panel {
  display: none;
  padding: 72px 48px;
  max-width: 960px;
  margin: 0 auto;
  box-sizing: border-box;
  min-height: 100%;
  position: relative;
  width: 100%;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  transform-style: preserve-3d;
}

.studio-tab-panel.is-active {
  display: block;
}

/* Phase 1: Outgoing Panel Flip Out (200ms) */
.studio-tab-panel.panel-flip-out {
  display: block !important;
  pointer-events: none !important;
  will-change: transform, opacity;
}

.studio-tab-panel.panel-flip-out.flip-forward {
  animation: cardFlipOutForward 0.20s cubic-bezier(0.4, 0, 0.7, 1) forwards;
}

.studio-tab-panel.panel-flip-out.flip-backward {
  animation: cardFlipOutBackward 0.20s cubic-bezier(0.4, 0, 0.7, 1) forwards;
}

/* Phase 2: Incoming Panel Flip In (250ms) */
.studio-tab-panel.panel-flip-in {
  display: block !important;
  pointer-events: none !important;
  will-change: transform, opacity;
}

.studio-tab-panel.panel-flip-in.flip-forward {
  animation: cardFlipInForward 0.25s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.studio-tab-panel.panel-flip-in.flip-backward {
  animation: cardFlipInBackward 0.25s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Desktop & Tablet: Visible 3D Flip (Perspective 1000px, 22deg RotateY) */
@keyframes cardFlipOutForward {
  0% {
    opacity: 1;
    transform: perspective(1000px) rotateY(0deg) translateZ(0);
    transform-origin: left center;
  }
  100% {
    opacity: 0;
    transform: perspective(1000px) rotateY(-22deg) translateZ(-60px) scale(0.96);
    transform-origin: left center;
  }
}

@keyframes cardFlipOutBackward {
  0% {
    opacity: 1;
    transform: perspective(1000px) rotateY(0deg) translateZ(0);
    transform-origin: right center;
  }
  100% {
    opacity: 0;
    transform: perspective(1000px) rotateY(22deg) translateZ(-60px) scale(0.96);
    transform-origin: right center;
  }
}

@keyframes cardFlipInForward {
  0% {
    opacity: 0;
    transform: perspective(1000px) rotateY(22deg) translateZ(-60px) scale(0.96);
    transform-origin: right center;
  }
  100% {
    opacity: 1;
    transform: perspective(1000px) rotateY(0deg) translateZ(0) scale(1);
    transform-origin: right center;
  }
}

@keyframes cardFlipInBackward {
  0% {
    opacity: 0;
    transform: perspective(1000px) rotateY(-22deg) translateZ(-60px) scale(0.96);
    transform-origin: left center;
  }
  100% {
    opacity: 1;
    transform: perspective(1000px) rotateY(0deg) translateZ(0) scale(1);
    transform-origin: left center;
  }
}

/* Section Header Typography */
.section-eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--sp-2);
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--text-section);
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.025em;
  line-height: var(--line-section);
  margin-bottom: var(--sp-3);
}

.section-lead {
  font-family: var(--font-body);
  font-size: var(--text-lead);
  color: var(--text-muted);
  max-width: 680px;
  line-height: var(--line-lead);
}

.section-divider {
  width: 100%;
  height: 1px;
  background: var(--border-subtle);
  margin: var(--sp-8) 0;
}

/* ── 6. Home Panel Composition ───────────────────────────────────────────────── */
/* ── 6. Home Panel Composition (Editorial Two-Column Hero) ───────────────────── */
.hero-grid-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.85fr);
  gap: 36px;
  align-items: center;
  margin-bottom: var(--sp-8);
}

.hero-text-wrap {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
  z-index: 2;
}

.hero-portrait-col {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-portrait-card {
  position: relative;
  width: 100%;
  max-width: 304px; /* Reduced by 20% from 380px */
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-portrait-glow {
  position: absolute;
  inset: -10px;
  border-radius: 30px;
  background: radial-gradient(circle at 50% 50%, rgba(16, 185, 129, 0.08) 0%, transparent 68%);
  filter: blur(14px);
  pointer-events: none;
  z-index: 0;
  transition: opacity 0.35s ease;
}

.hero-portrait-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 5;
  border-radius: 20px;
  overflow: hidden;
  background: var(--card-bg);
  border: 1px solid var(--border-medium);
  box-shadow: 0 8px 24px -6px rgba(0, 0, 0, 0.45);
  transition: border-color 0.3s ease, box-shadow 0.35s ease, transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 1;
}

.hero-portrait-card:hover .hero-portrait-wrapper {
  border-color: var(--accent-border);
  box-shadow: 0 14px 34px -8px rgba(0, 0, 0, 0.55), 0 0 16px rgba(16, 185, 129, 0.10);
  transform: translateY(-3px);
}

.hero-portrait-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 15%;
  display: block;
  transition: transform 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-portrait-card:hover .hero-portrait-img {
  transform: scale(1.02);
}

/* Seamless natural blend into dark canvas */
.hero-portrait-blend {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(to top, rgba(14, 18, 25, 0.92) 0%, rgba(14, 18, 25, 0.30) 22%, transparent 55%),
              linear-gradient(to right, rgba(14, 18, 25, 0.25) 0%, transparent 20%);
  z-index: 2;
}

/* Floating Status Pill Badge */
.hero-portrait-badge {
  position: absolute;
  bottom: 16px;
  left: 16px;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(10, 14, 22, 0.82);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 99px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.4);
}

.badge-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  animation: pulseDot 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.55; transform: scale(1.2); }
}

.badge-status-text {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: #f1f5f9;
  letter-spacing: 0.02em;
}

/* Smooth Subtle Entrance Animations */
@keyframes heroFadeUp {
  0% {
    opacity: 0;
    transform: translateY(14px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

#panel-home:not(.hero-revealed) .hero-text-wrap {
  animation: heroFadeUp 0.45s cubic-bezier(0.16, 1, 0.3, 1) both;
}

#panel-home:not(.hero-revealed) .hero-portrait-col {
  animation: heroFadeUp 0.50s cubic-bezier(0.16, 1, 0.3, 1) 0.08s both;
}

#panel-home:not(.hero-revealed) .hero-trust-bar {
  animation: heroFadeUp 0.50s cubic-bezier(0.16, 1, 0.3, 1) 0.14s both;
}

#panel-home.hero-revealed .hero-text-wrap,
#panel-home.hero-revealed .hero-portrait-col,
#panel-home.hero-revealed .hero-trust-bar {
  animation: none !important;
  opacity: 1 !important;
  transform: none !important;
}

.hero-main-heading {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.03em;
  line-height: var(--line-hero);
  margin-bottom: var(--sp-3);
  text-wrap: balance;
}

.hero-supporting-lead {
  font-family: var(--font-body);
  font-size: var(--text-lead);
  color: var(--text-body);
  line-height: var(--line-lead);
  max-width: 65ch;
  margin-bottom: var(--sp-3);
}

.hero-supporting-sub {
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.5;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: var(--sp-5);
  padding: 6px 14px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-sm);
  max-width: 65ch;
}
.hero-supporting-sub i {
  color: var(--accent);
  font-size: 1.05rem;
  flex-shrink: 0;
}

/* Hero Action CTAs */
.hero-cta-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: var(--sp-6);
}

.btn-primary-sm {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 10px 20px;
  background: var(--accent);
  color: var(--accent-solid-text);
  font-family: var(--font-body);
  font-size: var(--text-ui);
  font-weight: 600;
  border-radius: var(--r-md);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background var(--tx-fast), color var(--tx-fast), transform var(--tx-fast);
}
.btn-primary-sm:hover {
  background: var(--accent-hover);
  color: var(--accent-solid-text);
  transform: translateY(-1px);
}
.btn-primary-sm:active {
  transform: scale(0.985);
}
.btn-primary-sm:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.btn-outline-sm {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 18px;
  background: transparent;
  color: var(--text-body);
  font-family: var(--font-body);
  font-size: var(--text-ui);
  font-weight: 500;
  border-radius: var(--r-md);
  border: 1px solid var(--border-medium);
  cursor: pointer;
  text-decoration: none;
  transition: background var(--tx-fast), color var(--tx-fast), border-color var(--tx-fast), transform var(--tx-fast);
}
.btn-outline-sm:hover {
  background: var(--card-bg);
  color: var(--text-primary);
  border-color: var(--border-hover);
  transform: translateY(-1px);
}
.btn-outline-sm:active {
  transform: scale(0.985);
  background: var(--elevated);
}
.btn-outline-sm:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Staggered Entrance Keyframes (fade in and move upward by 18px) */
@keyframes heroEntrance {
  0% {
    opacity: 0;
    transform: translateY(18px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Core Technologies Strip */
.hero-tech-strip {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 7px;
  margin-bottom: var(--sp-6);
  padding: 10px 14px;
  background: var(--card-bg);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-md);
}

.tech-strip-label {
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-right: 4px;
}

.tech-pill {
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  padding: 3px 9px;
  background: var(--elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 99px;
  color: var(--text-body);
  font-weight: 400;
  white-space: nowrap;
}

/* Compact Verified Trust Strip (Requirement 5) */
.hero-trust-bar,
.trust-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: var(--sp-6);
}

.trust-signal-item,
.trust-item {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 12px 14px;
  background: var(--card-bg);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-md);
  transition: border-color var(--tx-fast), transform var(--tx-fast), background var(--tx-fast);
}

.trust-signal-item:hover,
.trust-item:hover {
  border-color: var(--border-hover);
  background: var(--card-hover);
  transform: translateY(-1px);
}

.trust-signal-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--r-sm);
  background: var(--accent-dim);
  border: 1px solid var(--accent-border);
  color: var(--accent);
  font-size: 1.1rem;
  flex-shrink: 0;
}

.trust-item i {
  font-size: 1.25rem;
  color: var(--accent);
  flex-shrink: 0;
}

.trust-signal-text,
.trust-item-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.trust-signal-title,
.trust-item-title {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.25;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.trust-signal-sub,
.trust-item-sub {
  font-family: var(--font-body);
  font-size: 0.73rem;
  color: var(--text-muted);
  line-height: 1.3;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Metrics Row */
.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-bottom: var(--sp-8);
}

.metric-card {
  background: var(--card-bg);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-lg);
  padding: 18px 16px;
  text-align: center;
  transition: border-color var(--tx-fast), background var(--tx-fast);
}
.metric-card:hover {
  border-color: var(--border-hover);
  background: var(--card-hover);
}

.metric-number {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 2.5vw, 2.25rem);
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 4px;
}
.metric-suffix {
  font-family: var(--font-display);
  color: var(--accent);
  font-size: 1.25rem;
  margin-left: 2px;
}

.metric-label {
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  font-weight: 500;
  color: var(--text-muted);
  line-height: 1.35;
}

/* Featured Flagship Preview on Home */
.home-featured-section {
  margin-top: 12px;
  padding-top: var(--sp-6);
  border-top: 1px solid var(--border-subtle);
}

.home-featured-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: var(--sp-5);
  flex-wrap: wrap;
}

.home-featured-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.btn-view-all-work {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  background: var(--accent-dim);
  border: 1px solid var(--accent-border);
  border-radius: var(--r-md);
  color: var(--accent);
  font-family: var(--font-body);
  font-size: var(--text-ui);
  font-weight: 600;
  cursor: pointer;
  transition: background var(--tx-fast), transform var(--tx-fast);
}
.btn-view-all-work:hover {
  background: rgba(16, 185, 129, 0.16);
  transform: translateX(2px);
}

/* ── 7. Selected Work Section ─────────────────────────────────────────────────── */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 22px;
}

.filter-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: var(--card-bg);
  border: 1px solid var(--border-subtle);
  border-radius: 99px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--tx-fast);
}
.filter-btn:hover {
  background: var(--elevated);
  color: var(--text-primary);
  border-color: var(--border-hover);
}
.filter-btn.active {
  background: var(--accent-dim);
  border-color: var(--accent-border);
  color: var(--accent);
  font-weight: 600;
}
.filter-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

/* One Card Style Everywhere: 1px border, 14px radius, 16-18px padding, no shadow */
.project-card {
  display: flex;
  flex-direction: column;
  background: var(--card-bg);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  overflow: hidden;
  cursor: pointer;
  position: relative;
  box-shadow: none;
  transition: transform 0.20s cubic-bezier(0.16, 1, 0.3, 1),
              border-color 0.20s ease;
  will-change: transform;
}

.project-card:hover {
  border-color: rgba(16, 185, 129, 0.40);
  transform: translateY(-4px);
  box-shadow: none;
}
.project-card:hover .project-title {
  color: #ffffff;
}
.project-card:hover .btn-case-study-sm {
  color: var(--accent-hover);
  transform: translateX(4px);
}

.project-card:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.project-thumb {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  max-height: 180px;
  background: var(--canvas);
}

.project-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.20s cubic-bezier(0.16, 1, 0.3, 1);
}
.project-card:hover .project-thumb img {
  transform: scale(1.035);
}

.project-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 2;
  display: inline-block;
  padding: 3px 9px;
  background: rgba(10, 14, 22, 0.82);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 99px;
  font-family: var(--font-mono);
  font-size: var(--text-badge);
  color: var(--text-body);
  font-weight: 500;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.project-thumb-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(14, 18, 25, 0.88) 0%, transparent 60%);
  display: flex;
  align-items: flex-end;
  padding: 10px 12px;
  opacity: 0;
  transition: opacity var(--tx-fast);
  z-index: 1;
}
.project-card:hover .project-thumb-overlay {
  opacity: 1;
}

.project-body,
.project-info {
  padding: 16px 18px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.project-header-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 4px;
}

.project-title {
  font-family: var(--font-display);
  font-size: var(--text-card-title);
  font-weight: 600;
  color: var(--text-primary);
  line-height: var(--line-card-title);
  letter-spacing: -0.015em;
}

.project-role,
.project-role-tag {
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 5px;
}

.project-desc {
  font-family: var(--font-body);
  font-size: var(--text-ui);
  color: var(--text-muted);
  line-height: 1.62;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 12px;
}

.project-pills,
.project-tech-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-bottom: 12px;
}

.project-pill,
.tech-mini-pill {
  display: inline-block;
  padding: 2px 8px;
  background: var(--elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 99px;
  font-family: var(--font-mono);
  font-size: var(--text-badge);
  color: var(--text-muted);
  font-weight: 400;
}

/* Outcome Metric as the Biggest Visual Highlight (26-32px bold in accent color) */
.project-metric-lead {
  margin: 6px 0 10px 0;
}

.project-metric-value {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 1.5vw, 1.45rem);
  font-weight: 700;
  color: var(--accent);
  line-height: 1.25;
  letter-spacing: -0.02em;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.project-metric-value i {
  color: var(--accent);
  font-size: 1.05em;
}

.project-footer,
.project-footer-row {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  padding-top: 10px;
  border-top: 1px solid var(--border-subtle);
  margin-top: auto;
}

.project-metric {
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  color: var(--text-primary);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 5px;
}
.project-metric i { color: var(--accent); }

.btn-case-study,
.btn-case-study-sm {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: var(--text-ui);
  font-weight: 600;
  color: var(--accent);
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px 0;
  min-height: 44px;
  transition: color var(--tx-fast), transform var(--tx-fast);
  font-family: var(--font-body);
  white-space: nowrap;
}
.btn-case-study:hover,
.btn-case-study-sm:hover {
  color: var(--accent-hover);
  transform: translateX(3px);
}

.btn-case-study-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: var(--accent-dim);
  border: 1px solid var(--accent-border);
  border-radius: var(--r-sm);
  color: var(--accent);
  font-family: var(--font-body);
  font-size: var(--text-ui);
  font-weight: 600;
  text-decoration: none;
  transition: all var(--tx-fast);
}
.btn-case-study-cta:hover {
  background: var(--accent);
  color: #022c22;
  transform: translateX(2px);
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.28);
}

.project-featured-flag {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 9px;
  background: rgba(16, 185, 129, 0.92);
  color: #022c22;
  border-radius: 99px;
  font-family: var(--font-mono);
  font-size: var(--text-badge);
  font-weight: 700;
  letter-spacing: 0.02em;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

.btn-drawer-full-study {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 12px 20px;
  margin-top: 18px;
  background: var(--accent);
  color: #022c22;
  border-radius: var(--r-md);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  transition: all var(--tx-fast);
}
.btn-drawer-full-study:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

.project-ext-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: var(--elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-xs);
  color: var(--text-muted);
  font-size: 0.8rem;
  text-decoration: none;
  transition: all var(--tx-fast);
}
.project-ext-link:hover {
  background: var(--card-bg);
  color: var(--text-primary);
  border-color: var(--border-hover);
}

/* Projects toggle */
.projects-more-wrap,
.projects-toggle-row {
  text-align: center;
  margin-top: 24px;
}

.btn-more-projects,
.btn-toggle-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 22px;
  background: var(--card-bg);
  border: 1px solid var(--border-subtle);
  border-radius: 99px;
  color: var(--text-body);
  font-family: var(--font-body);
  font-size: var(--text-ui);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--tx-fast);
}
.btn-more-projects:hover,
.btn-toggle-more:hover {
  background: var(--elevated);
  border-color: var(--accent-border);
  color: var(--accent);
}

/* ── 8. Services Section ─────────────────────────────────────────────────────── */
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}

@media (min-width: 860px) and (max-width: 1199px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .services-grid .service-card:nth-child(3) {
    grid-column: 1 / -1;
  }
}

@media (min-width: 1200px) {
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.service-card {
  padding: 24px;
  background: var(--card-bg);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-lg);
  display: flex;
  flex-direction: column;
  transition: border-color var(--tx-fast), background var(--tx-fast), transform var(--tx-base), box-shadow var(--tx-base);
}
.service-card:hover {
  border-color: var(--border-hover);
  background: var(--card-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}

.service-top-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.service-icon-wrap {
  width: 44px;
  height: 44px;
  border-radius: var(--r-md);
  background: var(--accent-dim);
  border: 1px solid var(--accent-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 1.3rem;
}

.service-pill-tag {
  font-family: var(--font-mono);
  font-size: var(--text-badge);
  font-weight: 500;
  padding: 3px 10px;
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
}

.service-title {
  font-family: var(--font-display);
  font-size: 1.22rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
  line-height: 1.3;
}

.service-summary-lead {
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: var(--accent-hover);
  line-height: 1.5;
  margin-bottom: 14px;
  font-weight: 500;
}

/* Problem & Deliverables Content Blocks */
.service-block {
  padding: 12px 14px;
  border-radius: var(--r-md);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
  margin-bottom: 10px;
}

.service-block-heading {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 6px;
}

.service-block-problem {
  border-left: 3px solid #f59e0b;
}
.service-block-problem .service-block-heading {
  color: #fbbf24;
}
.service-block-problem .service-block-heading i {
  color: #f59e0b;
}

.service-block-text {
  font-family: var(--font-body);
  font-size: 0.86rem;
  color: var(--text-body);
  line-height: 1.55;
  margin: 0;
}

.service-block-deliverables {
  border-left: 3px solid var(--accent);
}
.service-block-deliverables .service-block-heading {
  color: var(--accent-hover);
}
.service-block-deliverables .service-block-heading i {
  color: var(--accent);
}

.service-deliverables-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin: 0;
  padding: 0;
}
.service-deliverables-list li {
  font-family: var(--font-body);
  font-size: 0.84rem;
  color: var(--text-body);
  display: flex;
  align-items: flex-start;
  gap: 8px;
  line-height: 1.5;
}
.service-deliverables-list li i {
  color: var(--accent);
  font-size: 0.88rem;
  flex-shrink: 0;
  margin-top: 2px;
}

/* Expected Practical Benefit Block */
.service-block-benefit {
  border-left: 3px solid #0ea5e9;
  background: rgba(14, 165, 233, 0.04);
}
.service-block-benefit .service-block-heading {
  color: #38bdf8;
}
.service-block-benefit .service-block-heading i {
  color: #0ea5e9;
}
.service-benefit-text {
  font-family: var(--font-body);
  font-size: 0.86rem;
  color: var(--text-body);
  line-height: 1.55;
  margin: 0;
}

/* Who Benefits (Ideal Client) Callout */
.service-ideal-client {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 10px 14px;
  background: var(--accent-dim);
  border: 1px solid var(--accent-border);
  border-radius: var(--r-md);
  margin-bottom: 12px;
}
.service-ideal-client .service-block-heading {
  color: var(--accent);
  margin-bottom: 2px;
}
.service-ideal-client .service-block-heading i {
  font-size: 0.88rem;
}
.service-ideal-text {
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: #e2e8f0;
  line-height: 1.5;
  margin: 0;
}

/* Tech Badges */
.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-bottom: 16px;
}
.service-tag {
  font-family: var(--font-mono);
  font-size: var(--text-badge);
  padding: 2px 8px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  color: var(--text-subtle);
}

/* Action CTA */
.service-action-row {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--border-subtle);
}

.btn-service-discuss {
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 18px;
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid var(--accent-border);
  border-radius: var(--r-md);
  color: var(--accent);
  font-family: var(--font-body);
  font-size: var(--text-ui);
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--tx-fast);
}
.btn-service-discuss:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-solid-text);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px var(--accent-glow);
}
.btn-service-discuss:hover i {
  transform: translateX(3px);
}
.btn-service-discuss i {
  transition: transform var(--tx-fast);
}

/* ── 8b. Agency Collaboration Spotlight ────────────────────────────────────────── */
.agency-collab-section {
  margin-top: 44px;
  padding: 32px 28px;
  background: linear-gradient(145deg, rgba(19, 24, 34, 0.95), rgba(12, 16, 23, 0.98));
  border: 1px solid var(--border-medium);
  border-radius: var(--r-xl);
  position: relative;
  overflow: hidden;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.35);
}
.agency-collab-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}
.agency-collab-header {
  margin-bottom: 24px;
}
.agency-collab-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 8px;
}
.agency-collab-title {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2vw, 1.55rem);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
  line-height: 1.3;
}
.agency-collab-lead {
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text-body);
  line-height: 1.6;
  max-width: 75ch;
  margin: 0;
}
.agency-collab-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}
@media (max-width: 768px) {
  .agency-collab-grid {
    grid-template-columns: 1fr;
  }
}
.agency-collab-item {
  padding: 18px 20px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-md);
  transition: border-color var(--tx-fast), background var(--tx-fast);
}
.agency-collab-item:hover {
  border-color: var(--border-hover);
  background: rgba(255, 255, 255, 0.04);
}
.agency-collab-item-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}
.agency-collab-item-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--r-sm);
  background: var(--accent-dim);
  border: 1px solid var(--accent-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 1.05rem;
  flex-shrink: 0;
}
.agency-collab-item-title {
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}
.agency-collab-item-desc {
  font-family: var(--font-body);
  font-size: 0.86rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin: 0;
}
.agency-collab-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  padding-top: 20px;
  border-top: 1px solid var(--border-subtle);
}
.agency-collab-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-subtle);
}
.agency-collab-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.agency-collab-meta i {
  color: var(--accent);
}
.btn-agency-discuss {
  cursor: pointer;
}

/* ── 9. Interactive How I Work Section ────────────────────────────────────────── */
.process-interactive-wrap {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 28px;
}

.process-step-nav {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 8px;
  list-style: none;
  padding: 0;
  margin: 0;
  position: relative;
}

/* Connected step tab */
.process-step-tab {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 5px;
  padding: 12px 14px;
  background: var(--card-bg);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-md);
  color: var(--text-muted);
  cursor: pointer;
  font-family: var(--font-body);
  text-align: left;
  transition: all var(--tx-fast);
  position: relative;
  outline: none;
}

.process-step-tab:hover {
  background: var(--elevated);
  color: var(--text-primary);
  border-color: var(--border-hover);
}

.process-step-tab.active {
  background: var(--card-bg);
  border-color: var(--accent);
  color: var(--text-primary);
  box-shadow: 0 0 0 1px var(--accent), 0 6px 20px -4px rgba(16, 185, 129, 0.2);
}

.process-step-tab:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.step-nav-num {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-subtle);
  letter-spacing: 0.05em;
  transition: color var(--tx-fast);
}
.process-step-tab.active .step-nav-num {
  color: var(--accent);
}

.step-nav-short {
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 600;
  line-height: 1.3;
}

/* Detail Display Card */
.process-detail-card {
  background: var(--card-bg);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-xl);
  padding: 28px 32px;
  position: relative;
  min-height: 380px;
  box-shadow: var(--shadow-card);
}

.step-content-pane {
  display: none;
  flex-direction: column;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity var(--tx-base), transform var(--tx-base);
}

.step-content-pane.active {
  display: flex;
  opacity: 1;
  transform: translateY(0);
}

.step-detail-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.step-badge-wrap {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
}

.step-large-badge {
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 4px 12px;
  background: var(--accent-dim);
  border: 1px solid var(--accent-border);
  border-radius: 99px;
  color: var(--accent);
}

.step-total-indicator {
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  color: var(--text-subtle);
  font-weight: 500;
}

.step-detail-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  margin: 0;
}

.step-detail-explanation {
  font-family: var(--font-body);
  font-size: var(--text-lead);
  color: var(--text-body);
  line-height: 1.75;
  margin-bottom: 20px;
  max-width: 780px;
}

.step-activities-block {
  background: rgba(0, 0, 0, 0.22);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-md);
  padding: 16px 20px;
  margin-bottom: 18px;
}

.step-block-heading {
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.step-block-heading i { color: var(--accent); }

.step-activities-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.step-activities-list li {
  font-family: var(--font-body);
  font-size: var(--text-ui);
  color: var(--text-body);
  display: flex;
  align-items: flex-start;
  gap: 10px;
  line-height: 1.58;
}
.step-activities-list li i {
  color: var(--accent);
  font-size: 0.85rem;
  margin-top: 2px;
  flex-shrink: 0;
}

.step-deliverable-box {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.07) 0%, rgba(6, 182, 212, 0.03) 100%);
  border: 1px solid var(--accent-border);
  border-radius: var(--r-md);
  padding: 14px 18px;
  margin-bottom: 22px;
}

.deliverable-label {
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--accent);
  margin-bottom: 5px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.deliverable-text {
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: var(--text-primary);
  font-weight: 500;
  line-height: 1.55;
}

.step-nav-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--border-subtle);
}

.btn-step-nav {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: var(--elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-md);
  color: var(--text-body);
  font-size: var(--text-meta);
  font-weight: 600;
  cursor: pointer;
  font-family: var(--font-body);
  transition: all var(--tx-fast);
}
.btn-step-nav:hover {
  background: var(--card-bg);
  border-color: var(--accent-border);
  color: var(--accent);
}

.btn-step-next {
  background: var(--accent-dim);
  border-color: var(--accent-border);
  color: var(--accent);
}
.btn-step-next:hover {
  background: rgba(16, 185, 129, 0.2);
  color: var(--accent-hover);
}

/* Collaboration Standards Grid */
.collaboration-standards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 24px;
}

.collab-card {
  padding: 18px;
  background: var(--card-bg);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-lg);
  display: flex;
  flex-direction: column;
  transition: border-color var(--tx-fast);
}
.collab-card:hover {
  border-color: var(--border-hover);
}

.collab-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--r-md);
  background: var(--accent-dim);
  border: 1px solid var(--accent-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 1.15rem;
  margin-bottom: 12px;
}

.collab-title {
  font-family: var(--font-display);
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.collab-desc {
  font-family: var(--font-body);
  font-size: var(--text-meta);
  color: var(--text-muted);
  line-height: 1.6;
}

/* ── 10. Technical Insights Section ─────────────────────────────────────────── */
.insights-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.insight-card {
  display: flex;
  flex-direction: column;
  padding: 22px;
  background: var(--card-bg);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-lg);
  position: relative;
  overflow: hidden;
  cursor: pointer;
  transition: border-color var(--tx-fast), background var(--tx-fast), transform var(--tx-base);
}
.insight-card:hover {
  border-color: var(--border-hover);
  background: var(--card-hover);
  transform: translateY(-2px);
}

.insight-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 12px;
}

.insight-cat-tag {
  font-family: var(--font-mono);
  font-size: var(--text-badge);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--accent);
  padding: 3px 8px;
  background: var(--accent-dim);
  border: 1px solid var(--accent-border);
  border-radius: 99px;
}

.insight-read-time {
  font-family: var(--font-mono);
  font-size: var(--text-badge);
  color: var(--text-subtle);
  display: flex;
  align-items: center;
  gap: 4px;
}

.insight-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.35;
  letter-spacing: -0.015em;
  margin-bottom: 10px;
}

.insight-summary {
  font-family: var(--font-body);
  font-size: var(--text-ui);
  color: var(--text-muted);
  line-height: 1.68;
  margin-bottom: 16px;
  flex: 1;
}

.insight-footer-row {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: flex-end;
}

.btn-read-insight {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--text-meta);
  font-weight: 600;
  color: var(--accent);
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-body);
  transition: all var(--tx-fast);
  padding: 0;
}
.btn-read-insight:hover {
  color: var(--accent-hover);
  transform: translateX(3px);
}

/* ── 11. Modal Drawer (Dual Mode: Case Study + Article Reader) ────────────────── */
.drawer-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(5, 8, 12, 0.75);
  z-index: 100;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--tx-smooth), visibility var(--tx-smooth);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.drawer-backdrop.open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.studio-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 520px;
  max-width: 95vw;
  background: var(--shell-bg);
  border-left: 1px solid var(--border-medium);
  z-index: 101;
  transform: translateX(100%);
  visibility: hidden;
  pointer-events: none;
  transition: transform var(--tx-smooth), visibility var(--tx-smooth);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: -20px 0 60px rgba(0, 0, 0, 0.6);
}
.studio-drawer.open {
  transform: translateX(0);
  visibility: visible;
  pointer-events: auto;
}

.drawer-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 24px;
  border-bottom: 1px solid var(--border-subtle);
}

.drawer-eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-badge);
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--accent);
  display: block;
  margin-bottom: 4px;
}

.drawer-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  line-height: 1.3;
}

.drawer-client {
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  color: var(--text-muted);
  margin-top: 3px;
}

.drawer-close {
  width: 32px;
  height: 32px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-sm);
  background: var(--card-bg);
  color: var(--text-muted);
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: all var(--tx-fast);
}
.drawer-close:hover {
  background: var(--elevated);
  color: var(--text-primary);
  border-color: var(--border-hover);
}

.drawer-body {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
}

.drawer-meta-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 20px;
}

.drawer-meta-item {
  padding: 10px 12px;
  background: var(--card-bg);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-md);
}

.drawer-meta-lbl {
  font-family: var(--font-mono);
  font-size: var(--text-badge);
  color: var(--text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 3px;
}

.drawer-meta-val {
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  color: var(--text-primary);
  font-weight: 500;
}

.drawer-outcome-banner {
  padding: 12px 14px;
  background: var(--accent-dim);
  border: 1px solid var(--accent-border);
  border-radius: var(--r-md);
  margin-bottom: 20px;
}

.drawer-outcome-banner .label {
  font-family: var(--font-mono);
  font-size: var(--text-badge);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 3px;
}

.drawer-outcome-banner .value {
  font-family: var(--font-display);
  font-size: 0.95rem;
  color: var(--text-primary);
  font-weight: 600;
}

.drawer-section-title {
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}

.drawer-section-body {
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--text-body);
  line-height: 1.7;
  margin-bottom: 20px;
}

.drawer-arch-list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}

.drawer-arch-list li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 0.875rem;
  color: var(--text-body);
  line-height: 1.55;
  padding: 8px 12px;
  background: var(--card-bg);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-sm);
}

.drawer-arch-list li::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
  margin-top: 6px;
}

/* Article Reader Specifics */
.article-meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-subtle);
}

.article-meta-cat {
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.article-meta-read {
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  color: var(--text-muted);
}

.article-summary-callout {
  padding: 14px 18px;
  background: var(--accent-dim);
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--r-md) var(--r-md) 0;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text-primary);
  font-weight: 500;
  line-height: 1.65;
  margin-bottom: 22px;
}

.article-paragraphs {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.article-paragraphs p {
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: var(--text-body);
  line-height: 1.8;
  margin: 0;
}

.drawer-footer-cta {
  margin-top: 28px;
  padding-top: 18px;
  border-top: 1px solid var(--border-subtle);
}

/* ── 12. About Section & Personal Credibility ────────────────────────────────── */
.about-hero-card {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 28px;
  background: var(--card-bg);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-xl);
  padding: 28px;
  margin-bottom: 24px;
  align-items: center;
}

.about-portrait-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.about-portrait-frame {
  position: relative;
  width: 200px;
  height: 200px;
  border-radius: var(--r-xl);
  overflow: hidden;
  border: 2px solid var(--accent-border);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4), 0 0 20px var(--accent-glow);
  background: var(--canvas);
  margin-bottom: 12px;
}

.about-portrait-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 20%;
  display: block;
}

.about-profile-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 99px;
  background: var(--accent-dim);
  border: 1px solid var(--accent-border);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.about-profile-links {
  display: flex;
  align-items: center;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-profile-social {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  background: var(--elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-sm);
  color: var(--text-body);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  text-decoration: none;
  transition: all var(--tx-fast);
}
.btn-profile-social:hover {
  border-color: var(--accent-border);
  color: var(--accent);
  background: var(--card-hover);
}

.about-intro-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.about-intro-lead {
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--text-primary);
  font-weight: 500;
}

.about-intro-body {
  font-family: var(--font-body);
  font-size: 0.94rem;
  line-height: 1.68;
  color: var(--text-muted);
}

.about-cred-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-top: 6px;
  padding-top: 14px;
  border-top: 1px solid var(--border-subtle);
}

.about-cred-stat-item {
  display: flex;
  flex-direction: column;
}

.about-stat-num {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.1;
}

.about-stat-lbl {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-subtle);
  line-height: 1.35;
  margin-top: 2px;
}

/* Specialties Section */
.about-section-heading {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 28px 0 16px 0;
  display: flex;
  align-items: center;
  gap: 8px;
}
.about-section-heading i {
  color: var(--accent);
}

.about-specialties-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-bottom: 28px;
}

.specialty-card {
  padding: 18px;
  background: var(--card-bg);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-md);
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: all var(--tx-fast);
}
.specialty-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

.specialty-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--r-sm);
  background: var(--accent-dim);
  border: 1px solid var(--accent-border);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.specialty-title {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.3;
}

.specialty-desc {
  font-family: var(--font-body);
  font-size: 0.84rem;
  line-height: 1.55;
  color: var(--text-muted);
}

/* Working Principles Grid */
.principles-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-bottom: 28px;
}

.principle-card {
  background: var(--card-bg);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-lg);
  padding: 20px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: border-color var(--tx-fast), transform var(--tx-fast);
}
.principle-card:hover {
  border-color: var(--accent-border);
  transform: translateY(-2px);
}

.principle-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.principle-num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent);
  padding: 2px 8px;
  border-radius: var(--r-xs);
  background: var(--accent-dim);
  border: 1px solid var(--accent-border);
}

.principle-icon {
  color: var(--text-subtle);
  font-size: 1.1rem;
}

.principle-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.35;
  margin-bottom: 6px;
}

.principle-desc {
  font-family: var(--font-body);
  font-size: 0.86rem;
  line-height: 1.6;
  color: var(--text-body);
}

/* Certifications Grid */
.certs-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-bottom: 28px;
}

.cert-card {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px;
  background: var(--card-bg);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-lg);
  transition: border-color var(--tx-fast);
}
.cert-card:hover {
  border-color: var(--border-hover);
}

.cert-icon-wrap {
  width: 42px;
  height: 42px;
  border-radius: var(--r-md);
  background: var(--accent-dim);
  border: 1px solid var(--accent-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 1.3rem;
  flex-shrink: 0;
}

.cert-title {
  font-family: var(--font-display);
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.cert-issuer {
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 6px;
  display: block;
}

.cert-desc {
  font-family: var(--font-body);
  font-size: 0.84rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* Real Project References Strip */
.references-strip {
  background: var(--card-bg);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-lg);
  padding: 18px 22px;
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
}

.references-label {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-subtle);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.references-pills {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.ref-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: var(--elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 99px;
  color: var(--text-primary);
  font-size: 0.84rem;
  font-family: var(--font-mono);
  text-decoration: none;
  transition: all var(--tx-fast);
}
.ref-pill:hover {
  border-color: var(--accent-border);
  color: var(--accent);
  background: var(--card-hover);
  transform: translateY(-1px);
}
.ref-pill i {
  color: var(--accent);
}

/* About Action Buttons */
.about-actions-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 18px;
  border-top: 1px solid var(--border-subtle);
  flex-wrap: wrap;
  gap: 14px;
}

.btn-about-resume {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: var(--r-md);
  background: var(--elevated);
  border: 1px solid var(--border-medium);
  color: var(--text-primary);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  transition: all var(--tx-fast);
}
.btn-about-resume:hover {
  background: var(--card-hover);
  border-color: var(--border-hover);
  color: var(--text-primary);
}

@media (max-width: 900px) {
  .about-hero-card {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .about-portrait-col {
    margin: 0 auto;
  }
  .about-specialties-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .about-cred-stats {
    grid-template-columns: repeat(2, 1fr);
    text-align: left;
  }
}

@media (max-width: 600px) {
  .about-specialties-grid {
    grid-template-columns: 1fr;
  }
  .principles-grid {
    grid-template-columns: 1fr;
  }
  .certs-grid {
    grid-template-columns: 1fr;
  }
  .about-actions-box {
    flex-direction: column;
    align-items: stretch;
  }
  .btn-about-resume {
    justify-content: center;
  }
}

.tech-matrix-section {
  margin-top: 28px;
}

.subsection-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 14px;
}

.matrix-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.matrix-group {
  padding: 16px;
  background: var(--card-bg);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-lg);
}

.matrix-group-title {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.matrix-group-title i { color: var(--accent); }

.matrix-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.matrix-tag {
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  padding: 3px 9px;
  background: var(--elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-sm);
  color: var(--text-body);
  font-weight: 400;
}

.home-testi-section {
  margin-top: 36px;
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
}

.home-testi-header {
  margin-bottom: 18px;
}

.testi-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.testi-card {
  padding: 20px;
  background: var(--card-bg);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-lg);
}

.testi-scope {
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  color: var(--accent);
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.testi-stars {
  color: #f59e0b;
  font-size: 0.8rem;
  margin-bottom: 10px;
}

.testi-quote {
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: var(--text-body);
  line-height: 1.72;
  font-style: italic;
  margin-bottom: 14px;
  border-left: 2px solid var(--accent);
  padding-left: 14px;
}

.testi-author {
  display: flex;
  align-items: center;
  gap: 10px;
}

.testi-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent-dim);
  border: 1px solid var(--accent-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
  flex-shrink: 0;
}

.testi-name {
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
}

.testi-role-text {
  font-family: var(--font-body);
  font-size: 0.76rem;
  color: var(--text-muted);
}

.testi-link {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: 0.7rem;
  color: var(--text-subtle);
  text-decoration: none;
  margin-top: 2px;
}
.testi-link:hover { color: var(--accent); }

/* ── 13. Contact Section ─────────────────────────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.35fr;
  gap: 28px;
  align-items: start;
}

.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  background: var(--card-bg);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-lg);
  text-decoration: none;
  transition: all var(--tx-fast);
}
.contact-info-item:hover {
  background: var(--elevated);
  border-color: var(--border-hover);
}

.contact-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--r-sm);
  background: var(--accent-dim);
  border: 1px solid var(--accent-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 1rem;
  flex-shrink: 0;
}

.contact-label {
  font-family: var(--font-mono);
  font-size: var(--text-badge);
  color: var(--text-muted);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 2px;
}

.contact-value {
  font-family: var(--font-mono);
  font-size: var(--text-ui);
  color: var(--text-primary);
  font-weight: 500;
}

.tz-card {
  padding: 14px 16px;
  background: var(--card-bg);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-lg);
  margin-top: 10px;
}

.tz-title {
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 5px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.tz-title i { color: var(--accent); }

.tz-desc {
  font-family: var(--font-body);
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.calendly-box {
  padding: 16px;
  background: var(--card-bg);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-lg);
  margin-top: 10px;
}

.calendly-box h5 {
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 5px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.calendly-box h5 i { color: var(--accent); }

.calendly-box p {
  font-family: var(--font-body);
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin-bottom: 12px;
}

.btn-cal {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: var(--accent-dim);
  border: 1px solid var(--accent-border);
  border-radius: var(--r-md);
  color: var(--accent);
  font-family: var(--font-body);
  font-size: var(--text-ui);
  font-weight: 600;
  text-decoration: none;
  transition: all var(--tx-fast);
}
.btn-cal:hover {
  background: rgba(16, 185, 129, 0.18);
  color: var(--accent-hover);
}

/* How We'll Work Together (4-Step Trust Process) */
.inquiry-trust-card {
  padding: 18px;
  background: var(--card-bg);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-lg);
  margin-top: 14px;
}

.trust-card-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}
.trust-card-header i {
  color: var(--accent);
  font-size: 1.15rem;
}

.trust-card-title {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

.trust-card-intro {
  font-family: var(--font-body);
  font-size: 0.80rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 14px;
}

.inquiry-trust-steps {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.inquiry-step-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.inquiry-step-item .step-num {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--accent-dim);
  border: 1px solid var(--accent-border);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.inquiry-step-item .step-content {
  flex: 1;
}

.inquiry-step-item .step-title {
  font-family: var(--font-display);
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 2px 0;
}

.inquiry-step-item .step-text {
  font-family: var(--font-body);
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.45;
  margin: 0;
}

/* Optional Field Label Tag */
.label-optional {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-subtle);
  font-weight: 400;
  margin-left: 4px;
}

/* Post-submission Reassurance Box */
.form-next-steps {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-md);
  padding: 12px 14px;
  margin-top: 16px;
}

.next-steps-title {
  font-family: var(--font-display);
  font-size: 0.80rem;
  font-weight: 600;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 6px;
}

.next-steps-list {
  margin: 0;
  padding-left: 18px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.next-steps-list li {
  font-family: var(--font-body);
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.45;
}

/* Contact Form */
.form-expectations-badge {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 18px;
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.08), rgba(16, 185, 129, 0.03));
  border: 1px solid var(--accent-border);
  border-radius: var(--r-md);
  margin-bottom: 20px;
}

.form-expectations-badge i {
  color: var(--accent);
  font-size: 1.15rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.form-expectations-text {
  font-family: var(--font-body);
  font-size: 0.90rem;
  color: var(--text-body);
  line-height: 1.55;
  margin: 0;
}

.expectations-email-link {
  color: var(--accent);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--tx-fast);
}

.expectations-email-link:hover {
  color: var(--accent-hover);
}

.label-optional {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 400;
  color: var(--text-subtle);
  margin-left: 4px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 12px;
}

.form-group label {
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-body);
  letter-spacing: 0.01em;
}

.form-control {
  width: 100%;
  padding: 10px 14px;
  background: var(--card-bg);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-md);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: var(--text-ui);
  transition: border-color var(--tx-fast), background var(--tx-fast);
  outline: none;
}
.form-control::placeholder { color: var(--text-subtle); }
.form-control:focus {
  border-color: var(--accent);
  background: var(--elevated);
}

select.form-control {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%2310b981' viewBox='0 0 16 16'%3E%3Cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
  cursor: pointer;
}
select.form-control option {
  background: #0e1219;
  color: #f8fafc;
}

textarea.form-control {
  resize: vertical;
  min-height: 100px;
}

/* Security Math CAPTCHA Anti-Spam Component */
.captcha-group {
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-md);
  margin-bottom: 16px;
  transition: border-color var(--tx-fast);
}
.captcha-group:focus-within {
  border-color: var(--accent-border);
}

.captcha-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}

.captcha-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-body);
  margin: 0;
}
.captcha-label i {
  color: var(--accent);
  font-size: 0.95rem;
}

.captcha-question-badge {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  font-weight: 700;
  color: #34d399;
  background: var(--accent-dim);
  border: 1px solid var(--accent-border);
  padding: 3px 9px;
  border-radius: 4px;
  letter-spacing: 0.04em;
  display: inline-block;
}

.captcha-refresh-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-sm);
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 500;
  padding: 6px 12px;
  min-height: 38px;
  cursor: pointer;
  transition: all var(--tx-fast);
}
.captcha-refresh-btn:hover {
  color: var(--accent-hover);
  border-color: var(--accent-border);
  background: var(--accent-dim);
}
.captcha-refresh-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.captcha-refresh-btn i.spin-icon {
  animation: spin 0.6s linear infinite;
}

.captcha-input-wrap {
  position: relative;
}

.captcha-input {
  max-width: 100%;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  letter-spacing: 0.04em;
}

.captcha-inline-error {
  margin-top: 8px;
  font-family: var(--font-body);
  font-size: 0.80rem;
  color: #f87171;
  display: flex;
  align-items: center;
  gap: 6px;
  animation: fadeInAccordion 0.2s ease-out;
}

.form-submit-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  width: 100%;
  padding: 11px 20px;
  background: var(--accent);
  color: var(--accent-solid-text);
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 600;
  border: none;
  border-radius: var(--r-md);
  cursor: pointer;
  transition: background var(--tx-fast), color var(--tx-fast), transform var(--tx-fast);
}
.form-submit-btn:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}
.form-submit-btn:active {
  transform: scale(0.985);
}
.form-submit-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.form-submit-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.form-status { margin-top: 12px; }

.form-alert {
  padding: 14px 16px;
  border-radius: var(--r-md);
  font-size: 0.88rem;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  line-height: 1.55;
  outline: none;
  animation: heroFadeUp 0.25s cubic-bezier(0.16, 1, 0.3, 1) both;
}
.form-alert:focus {
  box-shadow: 0 0 0 2px var(--accent);
}
.form-alert i {
  font-size: 1.25rem;
  flex-shrink: 0;
  margin-top: 1px;
}
.form-alert.success {
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid var(--accent-border);
  color: #34d399;
}
.form-alert.success i {
  color: #10b981;
}
.form-alert.error {
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.35);
  color: #fca5a5;
}
.form-alert.error i {
  color: #ef4444;
}

/* ── 14. Mobile Top Bar & Navigation Sheet ──────────────────────────────────── */
.mobile-top-bar {
  display: none;
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(9, 12, 16, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 10px 16px;
  align-items: center;
  justify-content: space-between;
}

.mobile-top-logo {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  text-decoration: none;
}
.mobile-top-logo span { color: var(--accent); }

.mobile-top-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.mobile-theme-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  min-width: 42px;
  min-height: 42px;
  border-radius: 99px;
  background: var(--elevated);
  border: 1px solid var(--border-medium);
  color: var(--text-body);
  font-size: 0.95rem;
  cursor: pointer;
  transition: background var(--tx-fast), color var(--tx-fast);
}
.mobile-theme-btn:hover {
  background: var(--card-hover);
  color: var(--text-primary);
}

.mobile-avail-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  background: var(--accent-dim);
  border: 1px solid var(--accent-border);
  border-radius: 99px;
  font-family: var(--font-mono);
  font-size: var(--text-badge);
  color: var(--accent);
  font-weight: 500;
}
.mobile-avail-pill .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

/* Mobile Fixed Bottom Navigation Bar (< 768px only) */
.mobile-bottom-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 95;
  background: rgba(10, 13, 19, 0.94);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.55);
  padding-bottom: env(safe-area-inset-bottom, 0px);
}

.mobile-bottom-nav-list {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  align-items: center;
  height: 58px;
  max-width: 520px;
  margin: 0 auto;
  padding: 0;
  list-style: none;
}

.mobile-bottom-nav-item {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mobile-bottom-nav-btn {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  width: 100%;
  height: 100%;
  min-width: 44px;
  min-height: 44px;
  padding: 6px 2px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
  outline: none;
  transition: color var(--tx-fast), transform var(--tx-fast);
}

/* Active Indicator: Sleek emerald top-accent pill */
.mobile-bottom-nav-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 24px;
  height: 2.5px;
  background: var(--accent);
  border-radius: 99px;
  box-shadow: 0 0 8px var(--accent-glow);
  transition: transform 0.22s cubic-bezier(0.16, 1, 0.3, 1);
}

.mobile-bottom-nav-btn.active::before {
  transform: translateX(-50%) scaleX(1);
}

.mobile-bottom-nav-btn .nav-icon {
  font-size: 1.22rem;
  line-height: 1;
  color: var(--text-muted);
  transition: color var(--tx-fast), transform 0.20s cubic-bezier(0.16, 1, 0.3, 1);
}

.mobile-bottom-nav-btn .nav-label {
  font-family: var(--font-body);
  font-size: 0.68rem;
  font-weight: 500;
  line-height: 1.2;
  color: var(--text-muted);
  transition: color var(--tx-fast);
  white-space: nowrap;
}

.mobile-bottom-nav-btn:hover {
  color: var(--text-primary);
}
.mobile-bottom-nav-btn:hover .nav-icon,
.mobile-bottom-nav-btn:hover .nav-label {
  color: var(--text-primary);
}

.mobile-bottom-nav-btn:active {
  transform: scale(0.92);
}

.mobile-bottom-nav-btn.active {
  color: var(--accent);
}
.mobile-bottom-nav-btn.active .nav-icon {
  color: var(--accent);
  transform: translateY(-1px) scale(1.08);
}
.mobile-bottom-nav-btn.active .nav-label {
  color: var(--accent);
  font-weight: 600;
}

.mobile-bottom-nav-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
  border-radius: var(--r-sm);
}

/* ── 15. Skip Link ──────────────────────────────────────────────────────────── */
.skip-link {
  position: absolute;
  top: -100%;
  left: 8px;
  padding: 8px 16px;
  background: var(--accent);
  color: var(--accent-solid-text);
  font-weight: 700;
  border-radius: var(--r-md);
  z-index: 999;
  font-size: 0.875rem;
  text-decoration: none;
  transition: top var(--tx-fast);
}
.skip-link:focus { top: 8px; }

/* ── 16. Comprehensive Responsive Architecture (7 Device Tiers) ─────────────── */

/* ── Tier 7: Large Monitors (1600px and above) ── */
@media (min-width: 1600px) {
  .studio-shell {
    max-width: 1560px;
    grid-template-columns: 300px 1fr;
  }

  .studio-sidebar {
    padding: 28px 22px;
  }

  .studio-tab-panel {
    padding: 56px clamp(48px, 4.5vw, 84px);
  }

  .hero-main-heading {
    font-size: 3.25rem;
    max-width: 860px;
  }

  .hero-supporting-lead,
  .section-lead {
    font-size: 1.1rem;
    max-width: 780px;
    line-height: 1.76;
  }

  .services-grid,
  .projects-grid {
    gap: 22px;
  }
}

/* ── Tier 6: Standard Desktop (1280px – 1599px) ── */
@media (min-width: 1280px) and (max-width: 1599px) {
  .studio-shell {
    max-width: 1440px;
    grid-template-columns: 280px 1fr;
  }

  .studio-tab-panel {
    padding: 44px 52px;
  }

  .hero-main-heading {
    font-size: 2.35rem;
  }
}

/* ── Tier 5: Small Laptops (1024px – 1279px) ── */
@media (min-width: 1024px) and (max-width: 1279px) {
  .studio-shell {
    grid-template-columns: 240px 1fr;
    max-width: 100%;
    border-left: none;
    border-right: none;
  }

  .studio-sidebar {
    padding: 20px 14px;
  }

  .sidebar-name {
    font-size: 0.98rem;
  }

  .sidebar-role {
    font-size: 0.72rem;
  }

  .sidebar-nav-btn {
    padding: 9px 10px;
    font-size: 0.81rem;
    gap: 9px;
  }

  .studio-tab-panel {
    padding: 36px 36px;
  }

  .hero-main-heading {
    font-size: 2.15rem;
  }

  .hero-supporting-lead {
    font-size: 1rem;
  }

  .services-grid,
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }

  .hero-metrics {
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
  }
}

/* ── Tier 4: Tablets (768px – 1023px) ── */
@media (min-width: 768px) and (max-width: 1023px) {
  .studio-shell {
    grid-template-columns: 80px 1fr;
    border: none;
    box-shadow: none;
    max-width: 100%;
  }

  .studio-sidebar {
    padding: 18px 8px;
    align-items: center;
    width: 80px;
    height: 100vh;
    max-height: 100vh;
    position: -webkit-sticky;
    position: sticky;
    top: 0;
    align-self: start;
    z-index: 50;
  }

  .sidebar-profile {
    padding-bottom: 14px;
    margin-bottom: 12px;
    width: 100%;
  }

  .sidebar-avatar {
    width: 48px;
    height: 48px;
  }

  .sidebar-name,
  .sidebar-role,
  .sidebar-avail-tag {
    display: none;
  }

  .sidebar-nav {
    gap: 4px;
    width: 100%;
  }

  .sidebar-nav-btn {
    padding: 12px 0;
    justify-content: center;
    min-height: 48px;
    border-radius: var(--r-md);
    position: relative;
  }

  .sidebar-nav-btn .nav-label,
  .sidebar-nav-btn .nav-badge {
    display: none;
  }

  .sidebar-nav-btn .nav-icon {
    width: auto;
    font-size: 1.25rem;
  }

  /* Accessible tooltip on tablet hover/focus */
  .sidebar-nav-btn[data-tooltip]::after {
    content: attr(data-tooltip);
    position: absolute;
    left: calc(100% + 10px);
    top: 50%;
    transform: translateY(-50%);
    background: var(--elevated);
    color: var(--text-primary);
    border: 1px solid var(--border-medium);
    border-radius: var(--r-sm);
    padding: 5px 10px;
    font-size: 0.75rem;
    font-weight: 600;
    white-space: nowrap;
    pointer-events: none;
    opacity: 0;
    transition: opacity var(--tx-fast);
    z-index: 70;
    box-shadow: var(--shadow-card);
  }
  .sidebar-nav-btn[data-tooltip]:hover::after,
  .sidebar-nav-btn[data-tooltip]:focus-visible::after {
    opacity: 1;
  }

  .sidebar-social-row {
    display: none;
  }

  .sidebar-cta-btn {
    padding: 12px 0;
    font-size: 0;
    min-height: 48px;
    justify-content: center;
    border-radius: var(--r-md);
    position: relative;
  }
  .sidebar-cta-btn i {
    font-size: 1.15rem;
    margin: 0;
  }

  .studio-tab-panel {
    padding: 34px 30px;
  }

  .hero-main-heading {
    font-size: 2.05rem;
  }

  .services-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }

  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }

  .home-featured-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }

  .hero-trust-bar {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  .hero-metrics {
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
  }

  .process-step-nav {
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
  }

  .collaboration-standards-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
  }

  .insights-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }
}

/* ── Mobile Shared Base (Screen width <= 767px) ── */
@media (max-width: 767px) {
  .studio-shell {
    display: block;
    width: 100%;
    min-height: 100vh;
    border: none;
    box-shadow: none;
  }

  .studio-sidebar {
    display: none !important;
  }

  .mobile-top-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 max(16px, env(safe-area-inset-right, 0px)) 0 max(16px, env(safe-area-inset-left, 0px));
    height: calc(58px + env(safe-area-inset-top, 0px));
    padding-top: env(safe-area-inset-top, 0px);
    background: rgba(10, 13, 19, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-subtle);
    position: sticky;
    top: 0;
    z-index: 90;
  }

  .mobile-bottom-nav {
    display: block !important;
  }

  .mobile-nav-toggle,
  .mobile-nav-sheet {
    display: none !important;
  }

  .studio-stage {
    min-height: calc(100vh - 58px);
    width: 100%;
    overflow-x: hidden;
    perspective: 800px;
    perspective-origin: 50% 25%;
  }

  .studio-tab-panel {
    padding: 40px 20px calc(80px + env(safe-area-inset-bottom, 0px)) !important;
  }

  .hero-grid-layout {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: var(--sp-6);
  }

  .hero-text-wrap {
    order: 1;
    width: 100%;
    text-align: left;
  }

  .hero-portrait-col {
    order: 2;
    display: flex;
    justify-content: center;
    width: 100%;
    margin-top: 6px;
    margin-bottom: 0;
  }

  .hero-portrait-card {
    max-width: 208px; /* Reduced by 20% from 260px */
  }

  .hero-portrait-wrapper {
    border-radius: 18px;
    aspect-ratio: 4 / 4.75;
  }

  .hero-portrait-badge {
    bottom: 10px;
    left: 10px;
    padding: 4px 10px;
  }

  .badge-status-text {
    font-size: 0.64rem;
  }

  /* Mobile: Clean, adapted 2-phase 3D flip (700px perspective, 14deg rotateY) */
  @keyframes cardFlipOutForward {
    0% {
      opacity: 1;
      transform: perspective(700px) rotateY(0deg) translateZ(0);
      transform-origin: center center;
    }
    100% {
      opacity: 0;
      transform: perspective(700px) rotateY(-14deg) translateZ(-35px) scale(0.97);
      transform-origin: center center;
    }
  }

  @keyframes cardFlipOutBackward {
    0% {
      opacity: 1;
      transform: perspective(700px) rotateY(0deg) translateZ(0);
      transform-origin: center center;
    }
    100% {
      opacity: 0;
      transform: perspective(700px) rotateY(14deg) translateZ(-35px) scale(0.97);
      transform-origin: center center;
    }
  }

  @keyframes cardFlipInForward {
    0% {
      opacity: 0;
      transform: perspective(700px) rotateY(14deg) translateZ(-35px) scale(0.97);
      transform-origin: center center;
    }
    100% {
      opacity: 1;
      transform: perspective(700px) rotateY(0deg) translateZ(0) scale(1);
      transform-origin: center center;
    }
  }

  @keyframes cardFlipInBackward {
    0% {
      opacity: 0;
      transform: perspective(700px) rotateY(-14deg) translateZ(-35px) scale(0.97);
      transform-origin: center center;
    }
    100% {
      opacity: 1;
      transform: perspective(700px) rotateY(0deg) translateZ(0) scale(1);
      transform-origin: center center;
    }
  }

  /* Form inputs 16px to prevent iOS auto-zoom bug */
  input[type="text"],
  input[type="email"],
  input[type="url"],
  textarea,
  select {
    font-size: 16px !important;
    min-height: 48px;
  }

  .hero-trust-bar,
  .trust-strip {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }

  .trust-signal-item {
    padding: 10px 10px;
    gap: 8px;
  }

  .trust-signal-icon {
    width: 30px;
    height: 30px;
    font-size: 0.95rem;
  }

  .trust-signal-title {
    font-size: 0.78rem;
  }

  .trust-signal-sub {
    font-size: 0.68rem;
  }

  .home-featured-grid {
    display: flex !important;
    overflow-x: auto !important;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    gap: 14px !important;
    padding-bottom: 12px;
    margin-left: -20px;
    margin-right: -20px;
    padding-left: 20px;
    padding-right: 20px;
  }

  .home-featured-grid .project-card {
    flex: 0 0 82% !important;
    width: 82% !important;
    min-width: 82% !important;
    max-width: 82% !important;
    scroll-snap-align: start;
  }

  .project-metric-lead {
    margin: 4px 0 8px 0;
  }

  .project-metric-value {
    font-size: 1.25rem;
  }

  .services-grid,
  .projects-grid,
  .contact-grid,
  .insights-grid,
  .testi-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .collaboration-standards-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .studio-drawer {
    width: 100vw;
    max-width: 100vw;
  }
}

/* ── Tier 3: Large Phones (431px – 767px) ── */
@media (min-width: 431px) and (max-width: 767px) {
  .hero-main-heading {
    font-size: 1.85rem;
    line-height: 1.2;
  }

  .hero-supporting-lead {
    font-size: 0.98rem;
  }

  .hero-metrics {
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
  }

  .metric-card {
    padding: 12px 10px;
    text-align: center;
  }

  .metric-number {
    font-size: 1.35rem;
  }

  .hero-cta-row {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 10px;
  }

  .btn-primary-sm,
  .btn-outline-sm {
    min-height: 46px;
  }

  .process-step-nav {
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
  }
}

/* ── Tier 2: Standard Phones (375px – 430px) ── */
@media (min-width: 375px) and (max-width: 430px) {
  .studio-tab-panel {
    padding: 40px 20px calc(76px + env(safe-area-inset-bottom, 0px));
  }

  .hero-main-heading {
    font-size: 1.6rem;
    line-height: 1.22;
  }

  .hero-supporting-lead {
    font-size: 0.92rem;
    line-height: 1.6;
  }

  .hero-cta-row {
    flex-direction: column;
    width: 100%;
    gap: 8px;
  }

  .btn-primary-sm,
  .btn-outline-sm {
    width: 100%;
    justify-content: center;
    min-height: 46px;
  }

  .hero-metrics {
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
  }

  .metric-card {
    padding: 10px 6px;
    text-align: center;
  }

  .metric-number {
    font-size: 1.2rem;
  }

  .metric-label {
    font-size: 0.63rem;
  }

  .process-step-nav {
    grid-template-columns: repeat(2, 1fr);
    gap: 6px;
  }
}

/* ── Tier 1: Small Phones (320px – 374px) ── */
@media (max-width: 374px) {
  .studio-tab-panel {
    padding: 40px 16px calc(74px + env(safe-area-inset-bottom, 0px));
  }

  .mobile-bottom-nav-list {
    height: 54px;
  }

  .mobile-bottom-nav-btn {
    min-width: 44px;
    min-height: 44px;
    padding: 5px 1px;
    gap: 1px;
  }

  .mobile-bottom-nav-btn .nav-icon {
    font-size: 1.15rem;
  }

  .mobile-bottom-nav-btn .nav-label {
    font-size: 0.62rem;
  }

  .mobile-top-bar {
    height: calc(52px + env(safe-area-inset-top, 0px));
    padding-left: 10px;
    padding-right: 10px;
  }

  .mobile-top-logo {
    font-size: 1.05rem;
  }

  .mobile-avail-pill {
    padding: 2px 7px;
    font-size: 0.62rem;
  }

  .hero-main-heading {
    font-size: 1.35rem;
    line-height: 1.22;
    letter-spacing: -0.02em;
    word-break: break-word;
  }

  .hero-supporting-lead {
    font-size: 0.85rem;
    line-height: 1.55;
  }

  .section-title {
    font-size: 1.25rem;
  }

  .section-lead {
    font-size: 0.82rem;
  }

  .hero-cta-row {
    flex-direction: column;
    width: 100%;
    gap: 7px;
  }

  .btn-primary-sm,
  .btn-outline-sm {
    width: 100%;
    justify-content: center;
    min-height: 46px;
    font-size: 0.82rem;
  }

  .hero-tech-strip {
    padding: 8px 10px;
    gap: 4px;
    flex-direction: column;
    align-items: flex-start;
  }

  .tech-pill {
    font-size: 0.68rem;
    padding: 2px 6px;
  }

  .trust-strip {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .trust-item {
    padding: 8px 10px;
  }

  .home-featured-grid {
    margin-left: -16px;
    margin-right: -16px;
    padding-left: 16px;
    padding-right: 16px;
  }

  .home-featured-grid .project-card {
    flex: 0 0 85% !important;
    width: 85% !important;
    max-width: 85% !important;
  }

  .hero-metrics {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .metric-card {
    padding: 10px 12px;
  }

  .metric-number {
    font-size: 1.35rem;
  }

  .metric-label {
    font-size: 0.7rem;
  }

  .filter-bar {
    gap: 5px;
  }

  .filter-btn {
    padding: 6px 10px;
    font-size: 0.72rem;
    min-height: 38px;
  }

  .project-card {
    border-radius: var(--r-md);
  }

  .project-info {
    padding: 14px 12px;
  }

  .project-title {
    font-size: 1.05rem;
  }

  .project-desc {
    font-size: 0.78rem;
    line-height: 1.5;
  }

  .project-footer-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .process-step-nav {
    grid-template-columns: 1fr;
    gap: 5px;
  }

  .process-step-tab {
    padding: 8px 10px;
    min-height: 44px;
  }

  .contact-form-card {
    padding: 18px 14px;
  }

  .hero-trust-bar {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}

/* ── 17. Reduced Motion Preferences ─────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  .studio-stage {
    perspective: none !important;
  }

  .studio-tab-panel.panel-flip-out,
  .studio-tab-panel.panel-flip-in {
    animation: reducedFade 0.15s ease-out !important;
    transform: none !important;
  }

  @keyframes reducedFade {
    0% { opacity: 0; }
    100% { opacity: 1; }
  }

  .hero-eyebrow,
  .hero-main-heading,
  .hero-supporting-lead,
  .hero-cta-row,
  .hero-text-wrap,
  .hero-portrait-col,
  .hero-portrait-card,
  .hero-trust-bar,
  .trust-signal-item {
    animation: none !important;
    opacity: 1 !important;
    transform: none !important;
  }

  .project-card:hover {
    transform: none !important;
  }

  .project-card:hover .project-thumb img {
    transform: none !important;
  }

  .sidebar-nav-glider {
    transition-duration: 0.05s !important;
  }

  .step-content-pane.active {
    opacity: 1 !important;
    display: flex !important;
  }

  /* Drawer & Sheet must remain hidden when closed, even with reduced motion */
  .studio-drawer:not(.open) {
    transform: translateX(100%) !important;
    visibility: hidden !important;
    pointer-events: none !important;
    display: none !important;
  }
  .studio-drawer.open {
    transform: none !important;
    visibility: visible !important;
    pointer-events: auto !important;
    display: flex !important;
  }

  .drawer-backdrop:not(.open) {
    visibility: hidden !important;
    opacity: 0 !important;
    pointer-events: none !important;
  }
  .drawer-backdrop.open {
    visibility: visible !important;
    opacity: 1 !important;
    pointer-events: auto !important;
  }

  .mobile-bottom-nav-btn,
  .mobile-bottom-nav-btn .nav-icon,
  .mobile-bottom-nav-btn::before {
    transition: none !important;
    transform: none !important;
  }
  .mobile-bottom-nav-btn.active::before {
    transform: translateX(-50%) !important;
  }
}