/* ============================================================
   MATERIAL YOU 3 EXPRESSIVE - Design System
   Source colour: #c8f135 (Lime)
   Fonts: Syne (display) · Nunito (body) · DM Mono (code)
   ============================================================ */

/* --- View Transitions --- */
@view-transition { navigation: auto; }

::view-transition-old(root) {
  animation: 220ms cubic-bezier(0.4,0,1,1) both m3-fade-out;
}
::view-transition-new(root) {
  animation: 280ms cubic-bezier(0,0,0.2,1) both m3-fade-in;
}
::view-transition-old(hero-title) {
  animation: 200ms ease both m3-slide-out;
}
::view-transition-new(hero-title) {
  animation: 320ms cubic-bezier(0.05,0.7,0.1,1) both m3-slide-in;
}

@keyframes m3-fade-out  { from { opacity:1; } to { opacity:0; } }
@keyframes m3-fade-in   { from { opacity:0; } to { opacity:1; } }
@keyframes m3-slide-out { from { opacity:1; transform:translateY(0); } to { opacity:0; transform:translateY(-16px); } }
@keyframes m3-slide-in  { from { opacity:0; transform:translateY(20px); } to { opacity:1; transform:translateY(0); } }

/* --- Color Tokens --- */
:root {
  /* Light scheme */
  --md-primary: #4e6800;
  --md-on-primary: #ffffff;
  --md-primary-container: #c8f135;
  --md-on-primary-container: #152000;
  --md-secondary: #58624b;
  --md-on-secondary: #ffffff;
  --md-secondary-container: #dce7c6;
  --md-on-secondary-container: #161e0c;
  --md-tertiary: #386667;
  --md-on-tertiary: #ffffff;
  --md-tertiary-container: #bcebec;
  --md-on-tertiary-container: #002021;
  --md-error: #ba1a1a;
  --md-on-error: #ffffff;
  --md-error-container: #ffdad6;
  --md-on-error-container: #410002;
  --md-background: #f9faf2;
  --md-on-background: #1a1c17;
  --md-surface: #f9faf2;
  --md-on-surface: #1a1c17;
  --md-surface-variant: #e1e4d5;
  --md-on-surface-variant: #44483d;
  --md-surface-container-lowest: #ffffff;
  --md-surface-container-low: #f3f4ec;
  --md-surface-container: #ededE5;
  --md-surface-container-high: #e7e9e0;
  --md-surface-container-highest: #e2e3db;
  --md-outline: #74786c;
  --md-outline-variant: #c4c8ba;
  --md-inverse-surface: #2f3129;
  --md-inverse-on-surface: #f1f2ea;
  --md-inverse-primary: #aed053;
  --md-shadow: rgba(0,0,0,0.15);
  --md-shadow-lg: rgba(0,0,0,0.25);

  /* Shape */
  --md-shape-xs: 4px;
  --md-shape-sm: 8px;
  --md-shape-md: 12px;
  --md-shape-lg: 16px;
  --md-shape-xl: 28px;
  --md-shape-2xl: 36px;
  --md-shape-full: 9999px;

  /* Elevation */
  --md-elev-1: 0 1px 2px var(--md-shadow), 0 1px 3px 1px rgba(0,0,0,0.08);
  --md-elev-2: 0 1px 2px var(--md-shadow), 0 2px 6px 2px rgba(0,0,0,0.1);
  --md-elev-3: 0 4px 8px 3px rgba(0,0,0,0.1), 0 1px 3px var(--md-shadow);
  --md-elev-4: 0 6px 10px 4px rgba(0,0,0,0.1), 0 2px 3px var(--md-shadow);

  /* Motion */
  --md-motion-standard: cubic-bezier(0.2,0,0,1);
  --md-motion-decel: cubic-bezier(0,0,0,1);
  --md-motion-accel: cubic-bezier(0.3,0,1,1);
  --md-motion-spring: cubic-bezier(0.05,0.7,0.1,1);

  /* Tonal surface overlays for dark (not needed in light but defined) */
  --md-state-hover: rgba(0,0,0,0.08);
  --md-state-focus: rgba(0,0,0,0.12);
  --md-state-press: rgba(0,0,0,0.12);
}

[data-theme="dark"] {
  --md-primary: #aed053;
  --md-on-primary: #263500;
  --md-primary-container: #3a4d00;
  --md-on-primary-container: #c8f135;
  --md-secondary: #c0cba8;
  --md-on-secondary: #2a3320;
  --md-secondary-container: #404a37;
  --md-on-secondary-container: #dce7c6;
  --md-tertiary: #a0cfd0;
  --md-on-tertiary: #003738;
  --md-tertiary-container: #1e4e4f;
  --md-on-tertiary-container: #bcebec;
  --md-error: #ffb4ab;
  --md-on-error: #690005;
  --md-error-container: #93000a;
  --md-on-error-container: #ffdad6;
  --md-background: #12140e;
  --md-on-background: #e3e4db;
  --md-surface: #12140e;
  --md-on-surface: #e3e4db;
  --md-surface-variant: #44483d;
  --md-on-surface-variant: #c4c8ba;
  --md-surface-container-lowest: #0c0f09;
  --md-surface-container-low: #1a1c17;
  --md-surface-container: #1e211a;
  --md-surface-container-high: #282b23;
  --md-surface-container-highest: #33362d;
  --md-outline: #8e9284;
  --md-outline-variant: #44483d;
  --md-inverse-surface: #e3e4db;
  --md-inverse-on-surface: #2f3129;
  --md-inverse-primary: #4e6800;
  --md-shadow: rgba(0,0,0,0.5);
  --md-shadow-lg: rgba(0,0,0,0.7);
  --md-state-hover: rgba(255,255,255,0.08);
  --md-state-focus: rgba(255,255,255,0.12);
  --md-state-press: rgba(255,255,255,0.12);
}

/* --- Base Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  background: var(--md-background);
  color: var(--md-on-background);
  font-family: 'Nunito', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
  transition: background 0.35s var(--md-motion-standard), color 0.35s var(--md-motion-standard);
}
a { color: inherit; text-decoration: none; -webkit-tap-highlight-color: transparent; }
button { font-family: inherit; -webkit-tap-highlight-color: transparent; }
img { max-width: 100%; display: block; }

/* Better touch scrolling */
.screenshots-mobile { -webkit-overflow-scrolling: touch; }
.code-block pre { -webkit-overflow-scrolling: touch; }

/* --- Typography --- */
.display-lg { font-family: 'Syne', sans-serif; font-size: clamp(48px,8vw,96px); font-weight: 800; line-height: 1; letter-spacing: -2px; }
.display-md { font-family: 'Syne', sans-serif; font-size: clamp(36px,6vw,72px); font-weight: 800; line-height: 1.05; letter-spacing: -1.5px; }
.headline-lg { font-family: 'Syne', sans-serif; font-size: clamp(24px,3.5vw,40px); font-weight: 700; line-height: 1.15; letter-spacing: -0.5px; }
.headline-md { font-family: 'Syne', sans-serif; font-size: clamp(20px,2.5vw,28px); font-weight: 700; line-height: 1.2; }
.headline-sm { font-family: 'Syne', sans-serif; font-size: clamp(18px,2vw,24px); font-weight: 700; line-height: 1.25; }
.title-lg { font-family: 'Syne', sans-serif; font-size: 20px; font-weight: 600; }
.title-md { font-family: 'Syne', sans-serif; font-size: 16px; font-weight: 600; }
.body-lg { font-size: 16px; line-height: 1.65; }
.body-md { font-size: 14px; line-height: 1.65; }
.body-sm { font-size: 12px; line-height: 1.6; }
.label-lg { font-size: 14px; font-weight: 600; letter-spacing: 0.05em; }
.label-md { font-size: 12px; font-weight: 600; letter-spacing: 0.06em; }
.label-sm { font-size: 11px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; }
.mono { font-family: 'DM Mono', monospace; }

/* --- Grid noise overlay --- */
.noise-overlay {
  position: fixed; inset: 0; pointer-events: none; z-index: 999; opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
}

/* ============================================================
   TOP APP BAR
   ============================================================ */
.top-bar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: 64px; padding: 0 16px;
  display: flex; align-items: center; gap: 8px;
  background: var(--md-surface);
  transition: background 0.35s var(--md-motion-standard), box-shadow 0.25s var(--md-motion-standard);
}
.top-bar::after {
  content: '';
  position: absolute; top: 100%; left: 0; right: 0;
  height: 48px;
  background: linear-gradient(to bottom, var(--md-surface), transparent);
  pointer-events: none;
  transition: opacity 0.35s var(--md-motion-standard);
}
.top-bar.scrolled {
  background: var(--md-surface-container);
  box-shadow: var(--md-elev-2);
}
.top-bar.scrolled::after {
  opacity: 0;
}

.top-bar-logo {
  display: flex; align-items: center; gap: 8px;
  font-family: 'Syne', sans-serif; font-weight: 800; font-size: 20px;
  color: var(--md-on-surface); letter-spacing: -0.5px; flex-shrink: 0;
}
.top-bar-logo .logo-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--md-primary-container);
  outline: 2px solid var(--md-primary);
}
[data-theme="dark"] .top-bar-logo .logo-dot {
  background: var(--md-on-primary-container);
  outline-color: var(--md-primary);
}

.top-bar-nav {
  display: flex; align-items: center; gap: 4px; margin: 0 auto;
  list-style: none;
}
.top-bar-nav a {
  display: flex; align-items: center; height: 36px; padding: 0 16px;
  border-radius: var(--md-shape-full);
  font-family: 'Nunito', sans-serif; font-weight: 700; font-size: 13px;
  letter-spacing: 0.02em; color: var(--md-on-surface-variant);
  transition: background 0.2s, color 0.2s;
  position: relative; white-space: nowrap;
}
.top-bar-nav a:hover { background: var(--md-state-hover); color: var(--md-on-surface); }
.top-bar-nav a.active {
  background: var(--md-secondary-container);
  color: var(--md-on-secondary-container);
}
[data-theme="dark"] .top-bar-nav a.active {
  background: var(--md-secondary-container);
  color: var(--md-on-secondary-container);
}

.top-bar-actions { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }

/* Icon button */
.icon-btn {
  width: 40px; height: 40px; border-radius: var(--md-shape-full);
  display: flex; align-items: center; justify-content: center;
  background: none; border: none; cursor: pointer;
  color: var(--md-on-surface-variant);
  transition: background 0.2s, color 0.2s;
  font-size: 18px;
}
.icon-btn:hover { background: var(--md-state-hover); color: var(--md-on-surface); }

/* Segmented button (lang) */
.seg-btn {
  display: flex; border: 1px solid var(--md-outline-variant);
  border-radius: var(--md-shape-full); overflow: hidden;
}
.seg-opt {
  padding: 6px 14px; background: none; border: none; cursor: pointer;
  font-family: 'Nunito', sans-serif; font-weight: 700; font-size: 12px;
  letter-spacing: 0.05em; color: var(--md-on-surface-variant);
  transition: background 0.2s, color 0.2s;
}
.seg-opt:first-child { border-right: 1px solid var(--md-outline-variant); }
.seg-opt.active {
  background: var(--md-secondary-container);
  color: var(--md-on-secondary-container);
}

/* Hamburger */
.ham-btn {
  display: none; width: 44px; height: 44px; border-radius: var(--md-shape-full);
  flex-direction: column; justify-content: center; align-items: center; gap: 5px;
  background: none; border: none; cursor: pointer; -webkit-tap-highlight-color: transparent;
}
.ham-btn span { display: block; width: 20px; height: 2px; background: var(--md-on-surface); border-radius: 2px; transition: all 0.3s; }
.ham-btn.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.ham-btn.open span:nth-child(2) { opacity: 0; }
.ham-btn.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav sheet */
.nav-sheet {
  display: none; position: fixed; top: 64px; left: 0; right: 0; z-index: 99;
  background: var(--md-surface-container-high);
  border-bottom-left-radius: var(--md-shape-xl);
  border-bottom-right-radius: var(--md-shape-xl);
  padding: 8px 16px 20px; flex-direction: column; gap: 2px;
  box-shadow: var(--md-elev-3);
  animation: slideDown 0.25s var(--md-motion-decel);
}
.nav-sheet.open { display: flex; }
@keyframes slideDown {
  from { opacity: 0; transform: translateY(-12px); }
  to   { opacity: 1; transform: translateY(0); }
}
.nav-sheet a {
  display: flex; align-items: center; height: 52px; padding: 0 16px;
  border-radius: var(--md-shape-full);
  font-family: 'Nunito', sans-serif; font-weight: 700; font-size: 15px;
  color: var(--md-on-surface-variant); transition: background 0.2s, color 0.2s;
  -webkit-tap-highlight-color: transparent;
}
.nav-sheet a:hover, .nav-sheet a.active { background: var(--md-secondary-container); color: var(--md-on-secondary-container); }

/* ============================================================
   HERO
   ============================================================ */
.hero-section {
  position: relative; min-height: 100svh;
  display: grid; grid-template-columns: 1fr 1fr; align-items: center;
  gap: 40px; padding: 80px clamp(20px,5vw,64px) 60px;
  max-width: 1400px; margin: 0 auto;
}

/* Animated glow orbs behind hero */
.hero-section::before {
  content: '';
  position: absolute; top: -20%; left: -10%;
  width: 60vw; height: 60vw; max-width: 700px; max-height: 700px;
  border-radius: 50%;
  background: radial-gradient(circle, color-mix(in oklab, var(--md-primary) 18%, transparent) 0%, transparent 70%);
  pointer-events: none; z-index: 0;
  animation: orb-drift 12s ease-in-out infinite;
}
.hero-section::after {
  content: '';
  position: absolute; bottom: -10%; right: 5%;
  width: 40vw; height: 40vw; max-width: 500px; max-height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, color-mix(in oklab, var(--md-tertiary) 12%, transparent) 0%, transparent 70%);
  pointer-events: none; z-index: 0;
  animation: orb-drift 16s ease-in-out infinite reverse;
}
@keyframes orb-drift {
  0%,100% { transform: translate(0,0) scale(1); }
  33%      { transform: translate(3%,4%) scale(1.04); }
  66%      { transform: translate(-2%,2%) scale(0.97); }
}

.hero-left { position: relative; z-index: 1; }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--md-primary-container);
  color: var(--md-on-primary-container);
  padding: 6px 16px 6px 10px;
  border-radius: var(--md-shape-full);
  font-family: 'Nunito', sans-serif; font-weight: 700; font-size: 12px;
  margin-bottom: 20px; white-space: nowrap;
  opacity: 0; animation: hero-enter 0.6s var(--md-motion-decel) forwards 0.1s;
}
.hero-eyebrow .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--md-primary); animation: pulse 2s infinite; }
[data-theme="dark"] .hero-eyebrow .dot { background: var(--md-on-primary-container); }

.hero-title {
  view-transition-name: hero-title;
  opacity: 0; animation: hero-enter 0.7s var(--md-motion-decel) forwards 0.2s;
}
.hero-title .line { display: block; }
.hero-title .accent-word {
  color: var(--md-primary);
  position: relative; display: inline-block;
}
[data-theme="dark"] .hero-title .accent-word { color: var(--md-on-primary-container); }

.hero-title .outline-word {
  -webkit-text-stroke: 2px var(--md-outline-variant);
  color: transparent;
}

.hero-desc {
  max-width: 480px; color: var(--md-on-surface-variant);
  font-size: 16px; line-height: 1.8; margin: 24px 0 32px;
  position: relative; z-index: 1;
  opacity: 0; animation: hero-enter 0.7s var(--md-motion-decel) forwards 0.35s;
}
.hero-desc strong { color: var(--md-on-surface); font-weight: 700; }

.hero-ctas {
  display: flex; gap: 12px; flex-wrap: wrap;
  position: relative; z-index: 1;
  opacity: 0; animation: hero-enter 0.7s var(--md-motion-decel) forwards 0.5s;
}

.hero-stats {
  display: flex; gap: 32px; margin-top: 52px;
  position: relative; z-index: 1;
  opacity: 0; animation: hero-enter 0.7s var(--md-motion-decel) forwards 0.65s;
}
.hero-stat {}
.hero-stat-num {
  font-family: 'Syne', sans-serif; font-size: 44px; font-weight: 800;
  color: var(--md-primary); line-height: 1;
}
[data-theme="dark"] .hero-stat-num { color: var(--md-on-primary-container); }
.hero-stat-num span { font-size: 28px; opacity: 0.7; }
.hero-stat-label { font-size: 11px; font-weight: 700; color: var(--md-on-surface-variant); text-transform: uppercase; letter-spacing: 0.1em; margin-top: 6px; }

.hero-visual {
  opacity: 0; animation: hero-enter 0.8s var(--md-motion-decel) forwards 0.4s;
  position: relative; z-index: 1;
}
.hero-card {
  background: var(--md-surface-container-high);
  border-radius: var(--md-shape-2xl);
  overflow: hidden;
  box-shadow: var(--md-elev-3), 0 0 60px color-mix(in oklab, var(--md-primary) 10%, transparent);
  border: 1px solid var(--md-outline-variant);
}
.hero-card-bar {
  background: var(--md-surface-container-highest);
  padding: 12px 16px; display: flex; align-items: center; gap: 8px;
}
.hero-card-dot { width: 10px; height: 10px; border-radius: 50%; }
.hero-card-dot.r { background: #ff5f56; }
.hero-card-dot.y { background: #ffbd2e; }
.hero-card-dot.g { background: #27c93f; }
.hero-card-title { font-family: 'DM Mono', monospace; font-size: 11px; color: var(--md-on-surface-variant); margin-left: auto; }
.hero-card-body { padding: 20px; font-family: 'DM Mono', monospace; font-size: 12px; line-height: 2; min-height: 280px; overflow: hidden; }
.tl { display: block; }
.tl.cmd { color: var(--md-on-surface-variant); }
.tl.cmd::before { content: '$ '; color: var(--md-primary); }
[data-theme="dark"] .tl.cmd::before { color: var(--md-on-primary-container); }
.tl.ok { color: #4ade80; }
.tl.ok::before { content: '→ '; color: var(--md-outline); }
.tl.hi { color: var(--md-primary); }
[data-theme="dark"] .tl.hi { color: var(--md-on-primary-container); }
.tl.hi::before { content: '→ '; color: var(--md-outline); }
.tl.dim { color: var(--md-outline); }
.tl.dim::before { content: '  '; }
.tl.blank { height: 8px; display: block; }
.tl.cursor::after { content: '▌'; color: var(--md-primary); animation: blink 1s step-end infinite; }
[data-theme="dark"] .tl.cursor::after { color: var(--md-on-primary-container); }

/* Floating chips around hero card */
.hero-chip {
  position: absolute;
  background: var(--md-surface-container-highest);
  color: var(--md-on-surface-variant);
  border-radius: var(--md-shape-full); padding: 6px 14px;
  font-family: 'Nunito', sans-serif; font-weight: 700; font-size: 12px;
  box-shadow: var(--md-elev-2);
  animation: float 4s ease-in-out infinite;
}
.hero-chip.c1 { top: -16px; left: 12%; animation-delay: 0s; }
.hero-chip.c2 { bottom: 20px; left: -10%; animation-delay: 1.2s; }
.hero-chip.c3 { top: 30%; right: -12%; animation-delay: 0.7s; }

@keyframes hero-enter {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes float {
  0%,100% { transform: translateY(0); }
  50%      { transform: translateY(-8px); }
}
@keyframes pulse { 0%,100% { opacity:1; } 50% { opacity:0.4; } }
@keyframes blink { 0%,100% { opacity:1; } 50% { opacity:0; } }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 24px; border-radius: var(--md-shape-full);
  font-family: 'Nunito', sans-serif; font-weight: 700; font-size: 14px;
  letter-spacing: 0.02em; cursor: pointer; border: none;
  text-decoration: none; transition: all 0.2s var(--md-motion-standard);
  white-space: nowrap;
}
.btn-filled {
  background: var(--md-primary);
  color: var(--md-on-primary);
}
.btn-filled:hover { filter: brightness(1.1); box-shadow: var(--md-elev-2); transform: translateY(-1px); }

.btn-tonal {
  background: var(--md-secondary-container);
  color: var(--md-on-secondary-container);
}
.btn-tonal:hover { filter: brightness(0.95); box-shadow: var(--md-elev-1); }
[data-theme="dark"] .btn-tonal:hover { filter: brightness(1.1); }

.btn-outlined {
  background: transparent;
  color: var(--md-primary);
  border: 1.5px solid var(--md-outline);
}
.btn-outlined:hover { background: var(--md-state-hover); border-color: var(--md-primary); }

.btn-text {
  background: transparent;
  color: var(--md-primary);
  padding: 10px 16px;
}
.btn-text:hover { background: var(--md-state-hover); }

/* FAB */
.fab {
  display: inline-flex; align-items: center; gap: 12px;
  padding: 14px 24px; border-radius: var(--md-shape-xl);
  background: var(--md-primary);
  color: var(--md-on-primary);
  font-family: 'Nunito', sans-serif; font-weight: 700; font-size: 15px;
  box-shadow: var(--md-elev-3); border: none; cursor: pointer;
  text-decoration: none; transition: all 0.3s var(--md-motion-spring);
  white-space: nowrap;
}
.fab:hover { box-shadow: 0 8px 32px color-mix(in oklab, var(--md-primary) 40%, transparent); transform: translateY(-2px) scale(1.02); }

/* ============================================================
   CHIPS
   ============================================================ */
.chip {
  display: inline-flex; align-items: center;
  height: 32px; padding: 0 12px;
  border-radius: var(--md-shape-sm);
  font-family: 'Nunito', sans-serif; font-weight: 700; font-size: 12px;
  border: 1.5px solid var(--md-outline-variant);
  color: var(--md-on-surface-variant);
  background: transparent;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
  white-space: nowrap;
}
.chip.active, .chip.filled {
  background: var(--md-primary-container);
  border-color: transparent;
  color: var(--md-on-primary-container);
}
.chip.secondary {
  background: var(--md-secondary-container);
  border-color: transparent;
  color: var(--md-on-secondary-container);
}
.chip.tertiary {
  background: var(--md-tertiary-container);
  border-color: transparent;
  color: var(--md-on-tertiary-container);
}
.chip.surface {
  background: var(--md-surface-container-high);
  border-color: transparent;
  color: var(--md-on-surface-variant);
}
.chips-row { display: flex; flex-wrap: wrap; gap: 8px; }

/* ============================================================
   SECTIONS
   ============================================================ */
.section {
  padding: clamp(60px,8vw,100px) clamp(20px,5vw,64px);
  max-width: 1400px; margin: 0 auto;
}
.section-eyebrow {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: 'Nunito', sans-serif; font-size: 13px; font-weight: 700;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--md-primary); margin-bottom: 12px;
}
[data-theme="dark"] .section-eyebrow { color: var(--md-on-primary-container); }
.section-eyebrow::before { content: ''; width: 24px; height: 2px; background: currentColor; display: block; border-radius: 2px; }
.section-title { margin-bottom: clamp(28px,5vw,52px); color: var(--md-on-surface); }

.full-width-section {
  background: var(--md-surface-container-low);
  transition: background 0.35s var(--md-motion-standard);
  border-top: 1px solid var(--md-outline-variant);
  border-bottom: 1px solid var(--md-outline-variant);
  position: relative; overflow: hidden;
}
.full-width-section::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--md-primary), transparent);
  opacity: 0.5;
}

/* ============================================================
   CARDS
   ============================================================ */
.card {
  background: var(--md-surface-container-low);
  border-radius: var(--md-shape-xl);
  overflow: hidden;
  transition: box-shadow 0.3s var(--md-motion-standard), transform 0.3s var(--md-motion-spring), background 0.35s;
}
.card.elevated { box-shadow: var(--md-elev-1); }
.card.elevated:hover { box-shadow: var(--md-elev-3); transform: translateY(-4px); }
.card.filled { background: var(--md-surface-container); }
.card.tonal-primary { background: var(--md-primary-container); color: var(--md-on-primary-container); }
.card.tonal-secondary { background: var(--md-secondary-container); color: var(--md-on-secondary-container); }
.card.outlined { background: transparent; border: 1.5px solid var(--md-outline-variant); }

/* ============================================================
   SKILLS GRID
   ============================================================ */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.skill-card {
  background: var(--md-surface-container);
  border-radius: var(--md-shape-xl);
  padding: clamp(20px,3vw,28px);
  transition: background 0.25s, box-shadow 0.3s var(--md-motion-spring), transform 0.3s var(--md-motion-spring);
  cursor: default;
  opacity: 0; transform: translateY(20px);
}
.skill-card.visible { opacity: 1; transform: none; }
.skill-card:hover { background: var(--md-surface-container-high); box-shadow: var(--md-elev-2); transform: translateY(-3px); }

.skill-card:nth-child(1) { background: var(--md-primary-container); color: var(--md-on-primary-container); }
.skill-card:nth-child(1):hover { filter: brightness(1.04); }
.skill-card:nth-child(4) { background: var(--md-tertiary-container); color: var(--md-on-tertiary-container); }
.skill-card:nth-child(4):hover { filter: brightness(1.04); }

.skill-icon {
  width: 44px; height: 44px; border-radius: var(--md-shape-md);
  background: rgba(0,0,0,0.08); display: flex; align-items: center;
  justify-content: center; font-size: 20px; margin-bottom: 16px;
}
[data-theme="dark"] .skill-icon { background: rgba(255,255,255,0.08); }
.skill-card:nth-child(1) .skill-icon,
.skill-card:nth-child(4) .skill-icon { background: rgba(0,0,0,0.1); }

.skill-title { font-family: 'Syne', sans-serif; font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.skill-desc { font-size: 13px; line-height: 1.7; opacity: 0.75; margin-bottom: 16px; }
.skill-card:nth-child(1) .skill-desc,
.skill-card:nth-child(4) .skill-desc { opacity: 0.8; }

/* ============================================================
   INFOSEC SECTION
   ============================================================ */
.infosec-cards { display: flex; flex-direction: column; gap: 8px; }
.infosec-card {
  background: var(--md-surface-container);
  border-radius: var(--md-shape-xl);
  overflow: hidden;
  transition: background 0.25s;
}
.infosec-card:hover { background: var(--md-surface-container-high); }
.infosec-card-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 24px; cursor: pointer; user-select: none;
}
.infosec-card-label {
  font-family: 'Syne', sans-serif; font-size: 14px; font-weight: 700;
  color: var(--md-on-surface);
}
.infosec-chevron { font-size: 16px; color: var(--md-on-surface-variant); transition: transform 0.3s var(--md-motion-spring); }
.infosec-card.open .infosec-chevron { transform: rotate(180deg); }
.infosec-card-body { padding: 0 24px; max-height: 0; overflow: hidden; transition: max-height 0.4s var(--md-motion-standard), padding 0.3s; }
.infosec-card.open .infosec-card-body { max-height: 2000px; padding-bottom: 24px; }

.infosec-items { display: flex; flex-direction: column; gap: 16px; border-top: 1px solid var(--md-outline-variant); padding-top: 16px; }
.infosec-item-name { font-family: 'Syne', sans-serif; font-size: 14px; font-weight: 700; color: var(--md-on-surface); margin-bottom: 3px; }
.infosec-item-desc { font-size: 13px; color: var(--md-on-surface-variant); line-height: 1.65; }

.exp-header { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; flex-wrap: wrap; margin-bottom: 4px; }
.exp-period {
  display: inline-flex; align-items: center; height: 24px; padding: 0 10px;
  background: var(--md-primary-container); color: var(--md-on-primary-container);
  border-radius: var(--md-shape-full); font-size: 11px; font-weight: 700;
  letter-spacing: 0.05em; white-space: nowrap;
}
[data-theme="dark"] .exp-period { background: var(--md-primary-container); color: var(--md-on-primary-container); }

/* ============================================================
   PROJECTS GRID
   ============================================================ */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(340px,100%), 1fr));
  gap: 12px;
}
.project-card {
  background: var(--md-surface-container);
  border-radius: var(--md-shape-xl); padding: 24px;
  display: flex; flex-direction: column;
  text-decoration: none; color: inherit;
  transition: background 0.25s, box-shadow 0.3s var(--md-motion-spring), transform 0.3s var(--md-motion-spring);
  position: relative; overflow: hidden;
  border: 1px solid transparent;
}
.project-card::before {
  content: ''; position: absolute; inset: 0;
  background: var(--md-primary-container); opacity: 0;
  transition: opacity 0.3s;
}
.project-card::after {
  content: ''; position: absolute;
  top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--md-primary), var(--md-tertiary));
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.35s var(--md-motion-spring);
}
.project-card:hover { box-shadow: var(--md-elev-3); transform: translateY(-5px); border-color: var(--md-outline-variant); }
.project-card:hover::before { opacity: 0.04; }
.project-card:hover::after { transform: scaleX(1); }
.project-card:hover .pc-arrow { transform: translate(3px,-3px); color: var(--md-primary); }

.pc-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.pc-num { font-family: 'DM Mono', monospace; font-size: 11px; color: var(--md-outline); }
.pc-arrow { font-size: 20px; color: var(--md-outline-variant); transition: all 0.25s var(--md-motion-spring); }
.pc-name { font-family: 'Syne', sans-serif; font-size: 20px; font-weight: 800; letter-spacing: -0.3px; margin-bottom: 10px; color: var(--md-on-surface); }
.pc-desc { font-size: 13px; color: var(--md-on-surface-variant); line-height: 1.7; flex: 1; margin-bottom: 16px; }

/* ============================================================
   CONTACT SECTION
   ============================================================ */
.contact-layout { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px,6vw,80px); align-items: start; }
.avail-chip {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--md-primary-container);
  color: var(--md-on-primary-container);
  padding: 8px 18px 8px 12px; border-radius: var(--md-shape-full);
  font-weight: 700; font-size: 13px; margin-bottom: 24px;
}
.avail-chip .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--md-primary); animation: pulse 2s infinite; }
[data-theme="dark"] .avail-chip .dot { background: var(--md-on-primary-container); }

.contact-links-card {
  background: var(--md-surface-container);
  border-radius: var(--md-shape-xl); overflow: hidden;
}
.contact-link {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 24px;
  border-bottom: 1px solid var(--md-outline-variant);
  text-decoration: none; color: var(--md-on-surface-variant);
  font-size: 14px; font-weight: 600;
  transition: background 0.2s, color 0.2s, padding-left 0.2s;
}
.contact-link:last-child { border-bottom: none; }
.contact-link:hover { background: var(--md-surface-container-high); color: var(--md-primary); padding-left: 32px; }
[data-theme="dark"] .contact-link:hover { color: var(--md-on-primary-container); }
.contact-link-arr { opacity: 0.5; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--md-surface-container-low);
  border-top: 1px solid var(--md-outline-variant);
  padding: 32px clamp(20px,5vw,64px);
  display: flex; justify-content: space-between; align-items: center;
  transition: background 0.35s;
}
.footer-logo { font-family: 'Syne', sans-serif; font-weight: 800; font-size: 17px; color: var(--md-on-surface); }
.footer-logo .dot { color: var(--md-primary); }
[data-theme="dark"] .footer-logo .dot { color: var(--md-on-primary-container); }
.footer-copy { font-size: 12px; color: var(--md-on-surface-variant); }

/* ============================================================
   PROJECT PAGE SPECIFIC
   ============================================================ */
.proj-hero {
  padding: 80px clamp(20px,5vw,64px) 48px;
  max-width: 1400px; margin: 0 auto;
}
.proj-eyebrow { margin-bottom: 16px; }
.proj-number {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: 'DM Mono', monospace; font-size: 12px;
  color: var(--md-on-surface-variant); margin-bottom: 4px;
}
.proj-number .n { color: var(--md-primary); font-weight: 700; }
[data-theme="dark"] .proj-number .n { color: var(--md-on-primary-container); }

.proj-title {
  view-transition-name: hero-title;
  font-family: 'Syne', sans-serif;
  font-size: clamp(36px,7vw,88px);
  font-weight: 800; letter-spacing: -2.5px; line-height: 0.9;
  color: var(--md-on-surface); margin-bottom: 24px;
  opacity: 0; animation: hero-enter 0.6s var(--md-motion-decel) forwards 0.15s;
}
.proj-oneliner {
  max-width: 640px; color: var(--md-on-surface-variant);
  font-size: 16px; line-height: 1.8; margin-bottom: 28px;
  opacity: 0; animation: hero-enter 0.6s var(--md-motion-decel) forwards 0.3s;
}
.proj-hero-actions {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  opacity: 0; animation: hero-enter 0.6s var(--md-motion-decel) forwards 0.45s;
}

.proj-content {
  max-width: 1400px; margin: 0 auto;
  padding: 0 clamp(20px,5vw,64px) 80px;
  display: grid; grid-template-columns: 1fr 320px;
  gap: clamp(32px,5vw,64px); align-items: start;
}
.proj-main {}
.proj-sidebar {}

.proj-section { margin-bottom: 52px; }
.proj-section-label { margin-bottom: 12px; }
.proj-section-title { font-family: 'Syne', sans-serif; font-size: 22px; font-weight: 700; color: var(--md-on-surface); margin-bottom: 14px; }
.proj-section-body { color: var(--md-on-surface-variant); font-size: 14px; line-height: 1.85; }
.proj-section-body p { margin-bottom: 14px; }
.proj-section-body p:last-child { margin-bottom: 0; }
.proj-section-body strong { color: var(--md-on-surface); font-weight: 700; }

/* Steps */
.steps { display: flex; flex-direction: column; gap: 8px; margin-top: 8px; }
.step {
  background: var(--md-surface-container);
  border-radius: var(--md-shape-lg);
  padding: 18px 20px; display: flex; gap: 16px; align-items: flex-start;
  transition: background 0.2s;
}
.step:hover { background: var(--md-surface-container-high); }
.step-num { font-family: 'Syne', sans-serif; font-size: 20px; font-weight: 800; color: var(--md-primary); min-width: 28px; line-height: 1.2; }
[data-theme="dark"] .step-num { color: var(--md-on-primary-container); }
.step-title { font-family: 'Syne', sans-serif; font-size: 14px; font-weight: 700; color: var(--md-on-surface); margin-bottom: 4px; }
.step-desc { font-size: 13px; color: var(--md-on-surface-variant); line-height: 1.65; }

/* Code block */
.code-block {
  background: var(--md-surface-container-highest);
  border-radius: var(--md-shape-lg);
  overflow: hidden; margin: 16px 0;
}
[data-theme="dark"] .code-block { background: var(--md-surface-container-lowest); }
.code-bar {
  background: var(--md-surface-container-high);
  padding: 8px 16px; font-family: 'DM Mono', monospace;
  font-size: 11px; color: var(--md-on-surface-variant);
  letter-spacing: 0.06em; text-transform: uppercase;
}
.code-block pre {
  padding: 16px 20px; font-family: 'DM Mono', monospace; font-size: 12px;
  line-height: 1.85; color: var(--md-on-surface-variant); white-space: pre; overflow-x: auto;
}
.code-block pre .kw { color: #93c5fd; }
.code-block pre .str { color: #86efac; }
.code-block pre .cm { color: var(--md-outline); }
.code-block pre .acc { color: var(--md-primary); }
[data-theme="dark"] .code-block pre .acc { color: var(--md-on-primary-container); }

/* Sidebar cards */
.sidebar-card {
  background: var(--md-surface-container);
  border-radius: var(--md-shape-xl); padding: 20px;
  margin-bottom: 12px; transition: background 0.25s;
}
.sidebar-card-title {
  font-family: 'Syne', sans-serif; font-size: 13px; font-weight: 700;
  color: var(--md-on-surface-variant); text-transform: uppercase;
  letter-spacing: 0.08em; margin-bottom: 14px;
  padding-bottom: 10px; border-bottom: 1px solid var(--md-outline-variant);
}
.sidebar-links { display: flex; flex-direction: column; gap: 4px; }
.sidebar-link {
  display: flex; justify-content: space-between; align-items: center;
  padding: 10px 12px; border-radius: var(--md-shape-lg);
  text-decoration: none; color: var(--md-on-surface-variant);
  font-size: 13px; font-weight: 600;
  transition: background 0.2s, color 0.2s;
}
.sidebar-link:hover { background: var(--md-state-hover); color: var(--md-primary); }
[data-theme="dark"] .sidebar-link:hover { color: var(--md-on-primary-container); }
.sidebar-link-arr { opacity: 0.5; font-size: 14px; }

/* Config table */
.config-table { width: 100%; border-collapse: collapse; font-size: 12px; }
.config-table th {
  text-align: left; font-family: 'DM Mono', monospace;
  font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--md-on-surface-variant); padding: 8px 12px;
  border-bottom: 1px solid var(--md-outline-variant);
}
.config-table td { padding: 10px 12px; border-bottom: 1px solid var(--md-surface-container-highest); color: var(--md-on-surface-variant); vertical-align: top; }
.config-table td:first-child { font-family: 'DM Mono', monospace; color: var(--md-primary); font-size: 11px; white-space: nowrap; }
[data-theme="dark"] .config-table td:first-child { color: var(--md-on-primary-container); }
.config-table td:nth-child(2) { color: #86efac; font-family: 'DM Mono', monospace; font-size: 11px; }
.config-table tr:last-child td { border-bottom: none; }
.config-table-wrap { border-radius: var(--md-shape-lg); overflow: hidden; background: var(--md-surface-container); border: 1px solid var(--md-outline-variant); margin-top: 12px; }

/* Screenshots */
.screenshots-grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 4px; border-radius: var(--md-shape-xl); overflow: hidden;
  box-shadow: var(--md-elev-2); margin-bottom: 8px;
}
.screenshots-grid img { width: 100%; height: auto; display: block; transition: filter 0.2s; }
.screenshots-grid img:hover { filter: brightness(1.05); }
.screenshots-mobile {
  display: flex; gap: 10px; overflow-x: auto; padding-bottom: 8px;
  scrollbar-width: thin; scrollbar-color: var(--md-outline-variant) transparent;
  border-radius: var(--md-shape-lg); margin-bottom: 8px;
}
.screenshots-mobile img { height: 400px; width: auto; flex-shrink: 0; border-radius: var(--md-shape-lg); }
.screenshot-caption { font-size: 12px; color: var(--md-on-surface-variant); margin-top: 6px; }

/* ============================================================
   SCROLL REVEAL
   ============================================================ */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity 0.5s var(--md-motion-decel), transform 0.5s var(--md-motion-decel); }
.reveal.visible { opacity: 1; transform: none; }
.reveal-delay-1 { transition-delay: 0.07s; }
.reveal-delay-2 { transition-delay: 0.14s; }
.reveal-delay-3 { transition-delay: 0.21s; }
.reveal-delay-4 { transition-delay: 0.28s; }
.reveal-delay-5 { transition-delay: 0.35s; }

/* ============================================================
   CURSOR
   ============================================================ */
.cursor-dot { width: 5px; height: 5px; background: var(--md-primary); border-radius: 50%; position: fixed; pointer-events: none; z-index: 9999; transition: transform 0.1s; }
[data-theme="dark"] .cursor-dot { background: var(--md-on-primary-container); }
.cursor-ring {
  width: 32px; height: 32px; border: 1.5px solid var(--md-primary); border-radius: 50%;
  position: fixed; pointer-events: none; z-index: 9998; opacity: 0.4;
  transition: width 0.3s var(--md-motion-spring), height 0.3s var(--md-motion-spring), opacity 0.3s;
}
[data-theme="dark"] .cursor-ring { border-color: var(--md-on-primary-container); }
.cursor-ring.hovered { width: 52px; height: 52px; opacity: 0.6; }
.cursor-ring.clicking { width: 24px; height: 24px; opacity: 0.9; }

/* ============================================================
   RESPONSIVE - MOBILE FIRST POLISH
   ============================================================ */
@media (max-width: 1100px) {
  .hero-section { grid-template-columns: 1fr; min-height: auto; padding-top: 100px; }
  .hero-visual { display: none; }
  .proj-content { grid-template-columns: 1fr; }
  .proj-sidebar { order: -1; display: grid; grid-template-columns: repeat(auto-fill, minmax(240px,1fr)); gap: 12px; }
  .sidebar-card { margin-bottom: 0; }
}

@media (max-width: 900px) {
  .skills-grid { grid-template-columns: repeat(2,1fr); }
  .contact-layout { grid-template-columns: 1fr; }
  .hero-stats { gap: 24px; }
}

@media (max-width: 768px) {
  /* Nav */
  .top-bar-nav { display: none; }
  .ham-btn { display: flex; }
  .top-bar { padding: 0 12px; }
  .top-bar-logo { font-size: 18px; }

  /* Hide cursor on touch */
  .cursor-dot, .cursor-ring { display: none; }

  /* Hero */
  .hero-section {
    padding: 88px 20px 48px;
    gap: 24px;
  }
  .hero-title { letter-spacing: -2px; }
  .hero-eyebrow { font-size: 11px; white-space: normal; }
  .hero-ctas { gap: 10px; }
  .fab { padding: 12px 20px; font-size: 14px; }
  .btn { padding: 10px 18px; font-size: 13px; }
  .hero-stats { margin-top: 36px; gap: 28px; }
  .hero-stat-num { font-size: 36px; }

  /* Skills */
  .skills-grid { grid-template-columns: 1fr; gap: 8px; }
  .skill-card { padding: 20px; }

  /* Infosec */
  .infosec-card-header { padding: 16px 18px; }
  .infosec-card-body { padding: 0 18px; }
  .infosec-card.open .infosec-card-body { padding-bottom: 18px; }
  .exp-header { flex-direction: column; gap: 6px; }

  /* Projects */
  .projects-grid { grid-template-columns: 1fr; gap: 8px; }
  .project-card { padding: 20px; }
  .pc-name { font-size: 18px; }

  /* Contact */
  .contact-layout { gap: 28px; }
  .contact-link { padding: 16px 18px; font-size: 13px; }

  /* Sections */
  .section { padding: 48px 20px; }
  .section-title { margin-bottom: 24px; }

  /* Steps */
  .steps { gap: 6px; }
  .step { padding: 14px 16px; }
  .step-num { font-size: 18px; min-width: 24px; }

  /* Project pages */
  .proj-hero { padding: 88px 20px 32px; }
  .proj-title { letter-spacing: -1.5px; }
  .proj-hero-actions { flex-direction: column; align-items: flex-start; gap: 14px; }
  .proj-content { padding: 0 20px 60px; }
  .proj-sidebar { grid-template-columns: 1fr; }
  .config-table th, .config-table td { padding: 8px 10px; font-size: 11px; }

  /* Screenshots */
  .screenshots-grid { grid-template-columns: 1fr; }
  .screenshots-mobile img { height: 280px; }

  /* Footer */
  .site-footer { flex-direction: column; gap: 8px; text-align: center; padding: 24px 20px; }

  /* Chips */
  .chips-row { gap: 6px; }
  .chip { font-size: 11px; height: 28px; padding: 0 10px; }

  /* Code blocks */
  .code-block pre { font-size: 11px; padding: 12px 14px; }
}

@media (max-width: 400px) {
  .hero-section { padding: 80px 16px 40px; }
  .section { padding: 40px 16px; }
  .proj-hero { padding: 80px 16px 28px; }
  .proj-content { padding: 0 16px 48px; }
  .hero-stat-num { font-size: 30px; }
  .fab { padding: 11px 16px; font-size: 13px; }
  .seg-btn .seg-opt { padding: 5px 10px; font-size: 11px; }
}