/* ============================================================
   JU. — Digital Architect | Shared Design System
   Premium Dark Portfolio — styles.css
   ============================================================ */

/* ============================================================
   1. DESIGN TOKENS / CUSTOM PROPERTIES
   ============================================================ */

:root {
  /* ---- Core Palette ---- */
  --bg:       #020206;
  --bg2:      #07070f;
  --bg3:      #0c0c18;
  --bg-card:  rgba(12, 12, 24, .55);
  --fg:       #eeeef2;
  --fg2:      rgba(238, 238, 242, .65);
  --fg3:      rgba(238, 238, 242, .55);
  --fg4:      rgba(238, 238, 242, .06);

  /* ---- Accent Colors ---- */
  --cyan:     #06b6d4;
  --violet:   #8b5cf6;
  --pink:     #ec4899;
  --emerald:  #10b981;
  --blue:     #3b82f6;
  --rose:     #f43f5e;
  --amber:    #f59e0b;

  /* ---- Accent Alphas ---- */
  --cyan-a10:    rgba(6, 182, 212, .10);
  --cyan-a20:    rgba(6, 182, 212, .20);
  --cyan-a40:    rgba(6, 182, 212, .40);
  --violet-a10:  rgba(139, 92, 246, .10);
  --violet-a20:  rgba(139, 92, 246, .20);
  --pink-a10:    rgba(236, 72, 153, .10);
  --pink-a20:    rgba(236, 72, 153, .20);
  --emerald-a10: rgba(16, 185, 129, .10);
  --emerald-a20: rgba(16, 185, 129, .20);
  --blue-a10:    rgba(59, 130, 246, .10);
  --blue-a20:    rgba(59, 130, 246, .20);
  --rose-a10:    rgba(244, 63, 94, .10);
  --rose-a20:    rgba(244, 63, 94, .20);
  --amber-a10:   rgba(245, 158, 11, .10);
  --amber-a20:   rgba(245, 158, 11, .20);

  /* ---- Gradient Tints ---- */
  --cyan-light:   #67e8f9;
  --violet-light: #c4b5fd;
  --pink-light:   #f9a8d4;

  /* ---- Typography ---- */
  --sans:    'Manrope', system-ui, -apple-system, sans-serif;
  --serif:   'Instrument Serif', Georgia, 'Times New Roman', serif;
  --mono:    'IBM Plex Mono', 'Fira Code', monospace;
  --display: 'Unbounded', var(--sans);

  /* ---- Spacing Scale ---- */
  --space-xs:  4px;
  --space-sm:  8px;
  --space-md:  16px;
  --space-lg:  24px;
  --space-xl:  32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 96px;
  --space-5xl: 128px;

  /* ---- Radii ---- */
  --radius-sm:   6px;
  --radius-md:   12px;
  --radius-lg:   20px;
  --radius-xl:   28px;
  --radius-full: 9999px;

  /* ---- Easings ---- */
  --ease:          cubic-bezier(.23, 1, .32, 1);
  --ease-smooth:   cubic-bezier(.16, 1, .3, 1);
  --ease-out-expo: cubic-bezier(.19, 1, .22, 1);
  --ease-bounce:   cubic-bezier(.34, 1.56, .64, 1);
  --ease-in-out:   cubic-bezier(.76, 0, .24, 1);

  /* ---- Transitions ---- */
  --transition-fast:   .15s var(--ease);
  --transition-base:   .3s var(--ease);
  --transition-smooth: .5s var(--ease-smooth);
  --transition-slow:   .8s var(--ease-out-expo);

  /* ---- Shadows & Glows ---- */
  --glow-cyan:    0 0 40px rgba(6, 182, 212, .15), 0 0 80px rgba(6, 182, 212, .05);
  --glow-violet:  0 0 40px rgba(139, 92, 246, .15), 0 0 80px rgba(139, 92, 246, .05);
  --glow-pink:    0 0 40px rgba(236, 72, 153, .15), 0 0 80px rgba(236, 72, 153, .05);
  --glow-emerald: 0 0 40px rgba(16, 185, 129, .15), 0 0 80px rgba(16, 185, 129, .05);
  --glow-blue:    0 0 40px rgba(59, 130, 246, .15), 0 0 80px rgba(59, 130, 246, .05);
  --glow-rose:    0 0 40px rgba(244, 63, 94, .15), 0 0 80px rgba(244, 63, 94, .05);
  --glow-amber:   0 0 40px rgba(245, 158, 11, .15), 0 0 80px rgba(245, 158, 11, .05);

  /* ---- Z-index Scale ---- */
  --z-base:    1;
  --z-card:    10;
  --z-header:  100;
  --z-overlay: 500;
  --z-cursor:  9999;
}


/* ============================================================
   2. RESET & BASE STYLES
   ============================================================ */

*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  cursor: none;
}

body {
  font-family: var(--sans);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.65;
  color: var(--fg);
  background: var(--bg);
  cursor: none;
  overflow-x: hidden;
  min-height: 100vh;
}

/* Sub-pages use auto scrolling; homepage overrides to hidden */
/* Also handles smooth page load-in for inner pages */
body:not(.homepage) {
  overflow-y: auto;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity .25s ease-out,
              transform .25s ease-out;
}

body:not(.homepage).page-loaded {
  opacity: 1;
  transform: translateY(0);
}

body.homepage {
  overflow: hidden;
}

img, video, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
  cursor: none;
}

button, input, textarea, select {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  outline: none;
  cursor: none;
}

button {
  cursor: none;
}

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

p {
  color: var(--fg2);
}

strong {
  font-weight: 600;
  color: var(--fg);
}


/* ============================================================
   3. SELECTION STYLE
   ============================================================ */

::selection {
  background: rgba(6, 182, 212, .2);
  color: var(--fg);
}

::-moz-selection {
  background: rgba(6, 182, 212, .2);
  color: var(--fg);
}


/* ============================================================
   3b. FOCUS INDICATORS (a11y)
   ============================================================ */

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px var(--cyan-a20),
              0 0 0 6px var(--cyan-a10);
}


/* ============================================================
   4. CUSTOM CURSOR
   ============================================================ */

.cursor {
  position: fixed;
  top: 0;
  left: 0;
  width: 8px;
  height: 8px;
  background: var(--fg);
  border-radius: 50%;
  pointer-events: none;
  z-index: var(--z-cursor);
  will-change: transform;
  transition: width .25s var(--ease),
              height .25s var(--ease),
              background .25s var(--ease),
              border .25s var(--ease);
  transform: translate3d(-100px, -100px, 0);
}

.cursor.hovering {
  width: 48px;
  height: 48px;
  background: rgba(238, 238, 242, .12);
  border: 1px solid rgba(238, 238, 242, .4);
}

/* .cursor.clicking handled by JS to preserve translate3d positioning */

.cursor-glow {
  position: fixed;
  top: 0;
  left: 0;
  width: 500px;
  height: 500px;
  pointer-events: none;
  z-index: calc(var(--z-cursor) - 1);
  will-change: transform;
  background: radial-gradient(
    circle,
    rgba(6, 182, 212, .08) 0%,
    rgba(139, 92, 246, .04) 30%,
    transparent 70%
  );
  filter: blur(2px);
  transform: translate3d(-600px, -600px, 0);
}


/* ============================================================
   5. GRAIN & VIGNETTE OVERLAYS
   ============================================================ */

.grain-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-overlay);
  pointer-events: none;
  opacity: .035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 180px 180px;
}

.vignette-overlay {
  position: fixed;
  inset: 0;
  z-index: calc(var(--z-overlay) - 1);
  pointer-events: none;
  background: radial-gradient(
    ellipse at 50% 50%,
    transparent 50%,
    rgba(2, 2, 6, .65) 100%
  );
}

/* ---- Particles Canvas ---- */
#particles {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

/* ---- Skip Link (a11y) ---- */
.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  z-index: 100000;
  padding: 12px 24px;
  background: var(--cyan);
  color: var(--bg);
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 600;
  border-radius: 8px;
  text-decoration: none;
  transition: top .2s ease;
}
.skip-link:focus {
  top: 16px;
}


/* ============================================================
   6. SHARED HEADER / NAVIGATION
   ============================================================ */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-header);
  padding: 0 48px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(2, 2, 6, .6);
  backdrop-filter: blur(24px) saturate(1.4);
  -webkit-backdrop-filter: blur(24px) saturate(1.4);
  border-bottom: 1px solid var(--fg4);
  transition: transform .5s var(--ease-smooth),
              background .3s var(--ease);
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
}

.header.header-hidden {
  transform: translateY(-100%);
}

.header-logo {
  font-family: var(--display);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--fg);
  text-decoration: none;
  transition: opacity var(--transition-fast);
}

.header-logo:hover {
  opacity: .7;
}

.header-logo span {
  color: var(--cyan);
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 36px;
}

.header-nav a {
  position: relative;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--fg2);
  text-decoration: none;
  padding: 4px 0;
  transition: color var(--transition-base);
}

.header-nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--cyan);
  transition: width .4s var(--ease-smooth);
}

.header-nav a:hover {
  color: var(--fg);
}

.header-nav a:hover::after {
  width: 100%;
}

.header-nav a.active {
  color: var(--cyan);
}

.header-nav a.active::after {
  width: 100%;
  background: var(--cyan);
}

.header-nav a.header-cta {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--fg);
  background: transparent;
  border: 1px solid var(--fg3);
  padding: 10px 24px;
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: color var(--transition-base),
              border-color var(--transition-base),
              background var(--transition-base),
              box-shadow var(--transition-base);
}

.header-nav a.header-cta::after {
  display: none;
}

.header-nav a.header-cta:hover {
  color: var(--cyan);
  background: rgba(6, 182, 212, .06);
  border-color: var(--cyan);
  box-shadow: 0 4px 24px rgba(6, 182, 212, .15);
}


/* ============================================================
   7. PAGE TRANSITION ANIMATIONS
   ============================================================ */

/* ---- Keyframes ---- */

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(.92);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes slideInUp {
  from {
    transform: translateY(100%);
  }
  to {
    transform: translateY(0);
  }
}

@keyframes shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

@keyframes pulse-glow {
  0%, 100% { opacity: .4; }
  50%      { opacity: 1; }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-10px); }
}

@keyframes rotate {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

/* ---- Page Entrance ---- */

.page-enter {
  animation: fadeIn .8s var(--ease-out-expo) forwards;
}

.page-enter-up {
  animation: fadeInUp .9s var(--ease-out-expo) forwards;
}

/* ---- Staggered Children ---- */

.stagger-children > * {
  opacity: 0;
  animation: fadeInUp .7s var(--ease-out-expo) forwards;
}

.stagger-children > *:nth-child(1) { animation-delay: .05s; }
.stagger-children > *:nth-child(2) { animation-delay: .10s; }
.stagger-children > *:nth-child(3) { animation-delay: .15s; }
.stagger-children > *:nth-child(4) { animation-delay: .20s; }
.stagger-children > *:nth-child(5) { animation-delay: .25s; }
.stagger-children > *:nth-child(6) { animation-delay: .30s; }
.stagger-children > *:nth-child(7) { animation-delay: .35s; }
.stagger-children > *:nth-child(8) { animation-delay: .40s; }
.stagger-children > *:nth-child(9) { animation-delay: .45s; }
.stagger-children > *:nth-child(10) { animation-delay: .50s; }
.stagger-children > *:nth-child(11) { animation-delay: .55s; }
.stagger-children > *:nth-child(12) { animation-delay: .60s; }


/* ============================================================
   8. TYPOGRAPHY SYSTEM
   ============================================================ */

/* ---- Headings ---- */

.heading-xl {
  font-family: var(--sans);
  font-size: clamp(48px, 7vw, 96px);
  font-weight: 800;
  line-height: 1.0;
  letter-spacing: -0.04em;
  color: var(--fg);
}

.heading-lg {
  font-family: var(--sans);
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.035em;
  color: var(--fg);
}

.heading-md {
  font-family: var(--sans);
  font-size: clamp(28px, 3.5vw, 48px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--fg);
}

.heading-sm {
  font-family: var(--sans);
  font-size: clamp(20px, 2.5vw, 32px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.025em;
  color: var(--fg);
}

/* ---- Body Text ---- */

.body-lg {
  font-size: 18px;
  line-height: 1.7;
  color: var(--fg2);
}

.body {
  font-size: 15px;
  line-height: 1.65;
  color: var(--fg2);
}

.body-sm {
  font-size: 13px;
  line-height: 1.6;
  color: var(--fg2);
}

/* ---- Caption / Label ---- */

.caption {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg3);
  line-height: 1.4;
}

.label {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg2);
}

/* ---- Caption Pill ---- */

.caption-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 20px;
  border-radius: var(--radius-full);
  background: var(--cyan-a10);
  border: 1px solid var(--cyan-a20);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 32px;
}

.caption-pill .pulse-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  animation: pulseDot 2s ease-in-out infinite;
}

@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: .4; transform: scale(.75); }
}

/* ---- Serif Italic ---- */

.serif-italic {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
}

/* ---- Display Font ---- */

.display-text {
  font-family: var(--display);
  font-weight: 800;
  letter-spacing: -0.03em;
}

/* ---- Mono ---- */

.mono {
  font-family: var(--mono);
  font-size: 14px;
  letter-spacing: 0.02em;
}

/* ---- Gradient Text Utilities ---- */

.text-gradient-cyan {
  background: linear-gradient(135deg, var(--cyan), var(--cyan-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-gradient-violet {
  background: linear-gradient(135deg, var(--violet), var(--violet-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-gradient-pink {
  background: linear-gradient(135deg, var(--pink), var(--pink-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-gradient-multi {
  background: linear-gradient(135deg, var(--cyan), var(--violet), var(--pink));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-gradient-warm {
  background: linear-gradient(135deg, var(--amber), var(--rose));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ---- Text Color Utilities ---- */

.text-fg   { color: var(--fg); }
.text-fg2  { color: var(--fg2); }
.text-fg3  { color: var(--fg3); }
.text-cyan { color: var(--cyan); }
.text-violet { color: var(--violet); }
.text-pink { color: var(--pink); }


/* ============================================================
   9. LAYOUT UTILITIES
   ============================================================ */

/* ---- Containers ---- */

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 48px;
}

.container-wide {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 48px;
}

.container-narrow {
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
  padding: 0 48px;
}

/* ---- Sections ---- */

.section {
  padding: 120px 0;
  position: relative;
}

.section-sm {
  padding: 80px 0;
}

.section-lg {
  padding: 160px 0;
}

/* ---- Grid System ---- */

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

/* ---- Flex Utilities ---- */

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex-col {
  display: flex;
  flex-direction: column;
}

.flex-wrap {
  flex-wrap: wrap;
}

.gap-sm  { gap: var(--space-sm); }
.gap-md  { gap: var(--space-md); }
.gap-lg  { gap: var(--space-lg); }
.gap-xl  { gap: var(--space-xl); }
.gap-2xl { gap: var(--space-2xl); }


/* ============================================================
   10. CARD / GLASS COMPONENTS
   ============================================================ */

.glass-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--fg4);
  border-radius: var(--radius-lg);
  padding: 32px;
  backdrop-filter: blur(20px) saturate(1.3);
  -webkit-backdrop-filter: blur(20px) saturate(1.3);
  transition: border-color var(--transition-base),
              box-shadow var(--transition-smooth),
              transform var(--transition-base);
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(
    135deg,
    rgba(238, 238, 242, .06),
    transparent 50%,
    rgba(6, 182, 212, .04)
  );
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.glass-card:hover {
  border-color: var(--fg3);
  box-shadow: 0 8px 40px rgba(6, 182, 212, .06),
              0 0 60px rgba(6, 182, 212, .03);
  transform: translateY(-2px);
}

.glass-card:hover::before {
  opacity: 1;
}

/* ---- Tilt Hover Effect ---- */

.tilt-card {
  transition: transform .4s var(--ease);
  transform-style: preserve-3d;
  perspective: 1000px;
}

.tilt-card:hover {
  transform: rotateX(2deg) rotateY(-2deg) translateY(-4px);
}

/* ---- Card Variants ---- */

.glass-card--glow-cyan:hover {
  box-shadow: 0 8px 40px rgba(6, 182, 212, .1),
              0 0 80px rgba(6, 182, 212, .05);
}

.glass-card--glow-violet:hover {
  box-shadow: 0 8px 40px rgba(139, 92, 246, .1),
              0 0 80px rgba(139, 92, 246, .05);
}

.glass-card--glow-pink:hover {
  box-shadow: 0 8px 40px rgba(236, 72, 153, .1),
              0 0 80px rgba(236, 72, 153, .05);
}

.card-inner-glow {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 200px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan-a40), transparent);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.glass-card:hover .card-inner-glow {
  opacity: 1;
}


/* ============================================================
   11. BUTTON STYLES
   ============================================================ */

/* ---- Base Button Reset ---- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  padding: 14px 32px;
  border-radius: var(--radius-full);
  cursor: none;
  text-decoration: none;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

/* ---- Primary: Gradient Border + Glow ---- */

.btn-primary {
  color: var(--fg);
  background: var(--bg);
  border: 1px solid transparent;
  background-image:
    linear-gradient(var(--bg), var(--bg)),
    linear-gradient(135deg, var(--cyan), var(--violet));
  background-origin: border-box;
  background-clip: padding-box, border-box;
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(135deg, var(--cyan-a10), var(--violet-a10));
  opacity: 0;
  transition: opacity var(--transition-base);
}

.btn-primary:hover {
  box-shadow: 0 4px 30px rgba(6, 182, 212, .2),
              0 0 60px rgba(139, 92, 246, .1);
  transform: translateY(-1px);
}

.btn-primary:hover::before {
  opacity: 1;
}

.btn-primary:active {
  transform: translateY(0) scale(.98);
}

/* ---- Secondary: Outline ---- */

.btn-secondary {
  color: var(--fg);
  background: transparent;
  border: 1px solid var(--fg3);
}

.btn-secondary:hover {
  border-color: var(--fg2);
  background: var(--fg4);
  transform: translateY(-1px);
}

.btn-secondary:active {
  transform: translateY(0) scale(.98);
}

/* ---- Ghost: Text Only + Underline ---- */

.btn-ghost {
  color: var(--fg2);
  background: transparent;
  padding: 8px 4px;
  border-radius: 0;
  position: relative;
}

.btn-ghost::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--cyan);
  transition: width .4s var(--ease-smooth);
}

.btn-ghost:hover {
  color: var(--fg);
}

.btn-ghost:hover::after {
  width: 100%;
}

/* ---- Button Sizes ---- */

.btn-sm {
  font-size: 12px;
  padding: 10px 20px;
}

.btn-lg {
  font-size: 15px;
  padding: 18px 40px;
}

/* ---- Icon in Button ---- */

.btn .btn-icon {
  width: 16px;
  height: 16px;
  transition: transform var(--transition-base);
}

.btn:hover .btn-icon {
  transform: translateX(3px);
}


/* ============================================================
   12. DIVIDER / SEPARATOR STYLES
   ============================================================ */

.divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--fg3) 20%,
    var(--fg3) 80%,
    transparent
  );
  border: none;
  margin: 0;
}

.divider-glow {
  width: 100%;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--fg3) 15%,
    var(--cyan-a40) 50%,
    var(--fg3) 85%,
    transparent
  );
  border: none;
  margin: 0;
  position: relative;
}

.divider-glow::after {
  content: '';
  position: absolute;
  top: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 200px;
  height: 16px;
  background: radial-gradient(ellipse, var(--cyan-a20), transparent);
  pointer-events: none;
}

.divider-short {
  width: 60px;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--violet));
  border: none;
  border-radius: 1px;
}

.divider-vertical {
  width: 1px;
  height: 100%;
  background: var(--fg4);
}


/* ============================================================
   13. TAG / PILL STYLES
   ============================================================ */

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--fg2);
  background: var(--fg4);
  border: 1px solid var(--fg4);
  border-radius: var(--radius-full);
  padding: 6px 14px;
  transition: all var(--transition-base);
  white-space: nowrap;
}

.tag:hover {
  border-color: var(--fg3);
  color: var(--fg);
  background: rgba(238, 238, 242, .08);
}

/* ---- Colored Tags ---- */

.tag--cyan {
  color: var(--cyan);
  background: var(--cyan-a10);
  border-color: rgba(6, 182, 212, .15);
}

.tag--cyan:hover {
  background: var(--cyan-a20);
  border-color: rgba(6, 182, 212, .3);
}

.tag--violet {
  color: var(--violet);
  background: var(--violet-a10);
  border-color: rgba(139, 92, 246, .15);
}

.tag--violet:hover {
  background: var(--violet-a20);
  border-color: rgba(139, 92, 246, .3);
}

.tag--pink {
  color: var(--pink);
  background: var(--pink-a10);
  border-color: rgba(236, 72, 153, .15);
}

.tag--pink:hover {
  background: var(--pink-a20);
  border-color: rgba(236, 72, 153, .3);
}

.tag--emerald {
  color: var(--emerald);
  background: rgba(16, 185, 129, .10);
  border-color: rgba(16, 185, 129, .15);
}

/* ---- Tag with Dot ---- */

.tag .tag-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: currentColor;
  flex-shrink: 0;
}


/* ============================================================
   14. FOOTER STYLES
   ============================================================ */

.footer {
  position: relative;
  padding: 60px 0 0;
  border-top: 1px solid var(--fg4);
  background: var(--bg);
}

.footer-main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 48px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 20px;
}

.footer-brand .header-logo {
  font-size: 22px;
  display: inline-block;
}

.footer-brand p {
  font-size: 13px;
  color: var(--fg3);
  line-height: 1.5;
  max-width: 260px;
}

/* ---- Social Icons ---- */

.footer-social {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--fg4);
  color: var(--fg3);
  transition: all var(--transition-base);
}

.footer-social a:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  box-shadow: 0 0 20px var(--cyan-a20);
  transform: translateY(-2px);
}

.footer-social a svg {
  width: 16px;
  height: 16px;
}

/* ---- Copyright Bar ---- */

.footer-copyright {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
  border-top: 1px solid var(--fg4);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--fg3);
}


/* ============================================================
   15. SCROLL-TRIGGERED REVEAL ANIMATIONS
   ============================================================ */

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .8s var(--ease-out-expo),
              transform .8s var(--ease-out-expo);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity .8s var(--ease-out-expo),
              transform .8s var(--ease-out-expo);
}

.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity .8s var(--ease-out-expo),
              transform .8s var(--ease-out-expo);
}

.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-scale {
  opacity: 0;
  transform: scale(.92);
  transition: opacity .8s var(--ease-out-expo),
              transform .8s var(--ease-out-expo);
}

.reveal-scale.visible {
  opacity: 1;
  transform: scale(1);
}

/* ---- Staggered Delay Utilities ---- */

.delay-1 { transition-delay: .1s; }
.delay-2 { transition-delay: .2s; }
.delay-3 { transition-delay: .3s; }
.delay-4 { transition-delay: .4s; }
.delay-5 { transition-delay: .5s; }
.delay-6 { transition-delay: .6s; }

/* ---- Animation Delay Utilities ---- */

.anim-delay-1 { animation-delay: .1s; }
.anim-delay-2 { animation-delay: .2s; }
.anim-delay-3 { animation-delay: .3s; }
.anim-delay-4 { animation-delay: .4s; }
.anim-delay-5 { animation-delay: .5s; }
.anim-delay-6 { animation-delay: .6s; }


/* ============================================================
   16. UTILITY CLASSES
   ============================================================ */

/* ---- Visibility ---- */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.hidden { display: none !important; }
.invisible { visibility: hidden; }

/* ---- Spacing Utilities ---- */

.mt-sm  { margin-top: var(--space-sm); }
.mt-md  { margin-top: var(--space-md); }
.mt-lg  { margin-top: var(--space-lg); }
.mt-xl  { margin-top: var(--space-xl); }
.mt-2xl { margin-top: var(--space-2xl); }
.mt-3xl { margin-top: var(--space-3xl); }

.mb-sm  { margin-bottom: var(--space-sm); }
.mb-md  { margin-bottom: var(--space-md); }
.mb-lg  { margin-bottom: var(--space-lg); }
.mb-xl  { margin-bottom: var(--space-xl); }
.mb-2xl { margin-bottom: var(--space-2xl); }
.mb-3xl { margin-bottom: var(--space-3xl); }

/* ---- Text Alignment ---- */

.text-center { text-align: center; }
.text-left   { text-align: left; }
.text-right  { text-align: right; }

/* ---- Width Utilities ---- */

.w-full { width: 100%; }
.mx-auto { margin-left: auto; margin-right: auto; }

/* ---- Relative / Overflow ---- */

.relative { position: relative; }
.overflow-hidden { overflow: hidden; }


/* ============================================================
   17. SCROLLBAR STYLING
   ============================================================ */

/* ---- Webkit (Chrome, Edge, Safari) ---- */

::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: var(--bg);
}

::-webkit-scrollbar-thumb {
  background: rgba(6, 182, 212, .25);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(6, 182, 212, .45);
}

::-webkit-scrollbar-corner {
  background: var(--bg);
}

/* ---- Firefox ---- */

* {
  scrollbar-width: thin;
  scrollbar-color: rgba(6, 182, 212, .25) var(--bg);
}


/* ============================================================
   18. LINK & INLINE STYLES
   ============================================================ */

.link-underline {
  position: relative;
  display: inline;
  color: var(--fg);
}

.link-underline::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--cyan);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .4s var(--ease-smooth);
}

.link-underline:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--fg2);
  font-size: 14px;
  font-weight: 500;
  transition: color var(--transition-base),
              gap var(--transition-base);
}

.link-arrow:hover {
  color: var(--cyan);
  gap: 10px;
}

.link-arrow svg {
  width: 14px;
  height: 14px;
  transition: transform var(--transition-base);
}

.link-arrow:hover svg {
  transform: translateX(2px);
}


/* ============================================================
   19. SECTION HEADER PATTERN
   ============================================================ */

.section-header {
  margin-bottom: 64px;
}

.section-header .caption {
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.section-header .caption::before {
  content: '';
  display: block;
  width: 24px;
  height: 1px;
  background: var(--cyan);
}

.section-header .heading-lg {
  margin-bottom: 16px;
}

.section-header p {
  max-width: 560px;
  font-size: 16px;
  line-height: 1.7;
}

.section-header--center {
  text-align: center;
}

.section-header--center p {
  margin: 0 auto;
}

.section-header--center .caption::before {
  display: none;
}


/* ============================================================
   20. FORM ELEMENTS
   ============================================================ */

.form-group {
  margin-bottom: 24px;
}

.form-label {
  display: block;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg3);
  margin-bottom: 8px;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 14px 18px;
  font-size: 16px;
  color: var(--fg);
  background: var(--fg4);
  border: 1px solid var(--fg4);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-base),
              box-shadow var(--transition-base);
}

.form-input:focus,
.form-textarea:focus {
  border-color: var(--cyan-a40);
  box-shadow: 0 0 0 3px var(--cyan-a10);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--fg3);
}

.form-textarea {
  min-height: 140px;
  resize: vertical;
}


/* ============================================================
   21. RESPONSIVE BREAKPOINTS
   ============================================================ */

/* ---- Tablet / Small Desktop (1024px) ---- */

@media (max-width: 1024px) {
  .container,
  .container-wide,
  .container-narrow {
    padding: 0 32px;
  }

  .section {
    padding: 96px 0;
  }

  .section-lg {
    padding: 120px 0;
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .heading-xl {
    font-size: clamp(40px, 6vw, 72px);
  }

  .footer-main {
    flex-direction: column;
    gap: 28px;
    text-align: center;
  }

  .footer-brand {
    flex-direction: column;
    gap: 12px;
  }

  .footer-social {
    justify-content: center;
  }

  .footer {
    padding: 48px 0 0;
  }

  .header {
    padding: 0 32px;
  }

  .header-nav {
    gap: 24px;
  }
}

/* ---- Mobile Landscape / Tablet Portrait (768px) ---- */

@media (max-width: 768px) {
  .container,
  .container-wide,
  .container-narrow {
    padding: 0 24px;
  }

  .section {
    padding: 72px 0;
  }

  .section-lg {
    padding: 96px 0;
  }

  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .heading-xl {
    font-size: clamp(36px, 8vw, 56px);
    letter-spacing: -0.03em;
    line-height: 1.02;
  }

  .heading-lg {
    font-size: clamp(28px, 6vw, 44px);
    line-height: 1.08;
  }

  .heading-md {
    font-size: clamp(24px, 5vw, 36px);
    line-height: 1.12;
  }

  .heading-sm {
    line-height: 1.2;
  }

  .header {
    padding: 0 24px;
    height: 64px;
  }

  .header-nav {
    display: none;
  }

  .header-cta {
    font-size: 12px;
    padding: 8px 18px;
  }

  .section-header {
    margin-bottom: 40px;
  }

  .section-header p {
    font-size: 15px;
  }

  .glass-card {
    padding: 24px;
  }

  /* Mobile footer cleanup + brighter contrast */
  .footer {
    padding: 48px 0 0;
    border-top-color: rgba(238, 238, 242, .12);
  }

  .footer-main {
    gap: 24px;
    padding-bottom: 32px;
  }

  .footer-brand p {
    color: rgba(238, 238, 242, .40);
    max-width: none;
  }

  .footer-social a {
    color: rgba(238, 238, 242, .45);
    border-color: rgba(238, 238, 242, .18);
  }

  .footer-social a:active {
    color: var(--cyan);
    border-color: var(--cyan);
  }

  .footer-copyright {
    flex-direction: column;
    gap: 8px;
    text-align: center;
    color: rgba(238, 238, 242, .35);
    border-top-color: rgba(238, 238, 242, .12);
  }

  .flex-between {
    flex-wrap: wrap;
    gap: 16px;
  }

  /* Body text breathing room */
  .body-lg {
    font-size: 16px;
    line-height: 1.7;
  }

  .body {
    line-height: 1.7;
  }

  .body-sm {
    line-height: 1.65;
  }

  /* Better touch targets for tags */
  .tag {
    padding: 8px 14px;
    font-size: 10px;
    min-height: 32px;
  }

  /* Buttons: touch-friendly sizing + active states */
  .btn {
    min-height: 48px;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
  }

  .btn:active {
    transform: scale(.97);
    opacity: .9;
  }

  .btn-primary:active {
    transform: scale(.97);
    box-shadow: 0 2px 16px rgba(6, 182, 212, .15);
  }

  .btn-secondary:active {
    transform: scale(.97);
    background: var(--fg4);
  }

  .btn-lg {
    padding: 16px 32px;
    font-size: 14px;
  }

  /* Links need active states on mobile */
  .link-arrow:active {
    color: var(--cyan);
    gap: 10px;
  }

  /* Glass cards: subtle active state + shadow replacement for removed backdrop-filter */
  .glass-card {
    box-shadow: 0 2px 16px rgba(0,0,0,.25), 0 0 0 1px rgba(255,255,255,.04);
  }
  .glass-card:active {
    border-color: var(--fg3);
    transform: scale(.99);
  }

  /* Project cards: shadow replacement for removed backdrop-filter */
  .project-card {
    box-shadow: 0 4px 20px rgba(0,0,0,.3), 0 0 0 1px rgba(255,255,255,.03);
  }
  .project-card:active {
    transform: scale(.985);
    transition: transform .15s ease;
  }

  /* Hide custom cursor on touch devices */
  .cursor,
  .cursor-glow {
    display: none !important;
  }

  html, body, a, button, input, textarea, select {
    cursor: auto;
  }

  /* Simplify animations on mobile — set immediately to prevent flash */
  .reveal,
  .reveal-left,
  .reveal-right,
  .reveal-scale,
  .reveal.visible,
  .reveal-left.visible,
  .reveal-right.visible,
  .reveal-scale.visible {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }

  /* Disable heavy effects */
  .tilt-card {
    transform: none !important;
  }

  [data-parallax] {
    transform: none !important;
  }

  /* Simplify backdrop-filter for performance */
  .header,
  .glass-card,
  .quick-info-card,
  .social-link,
  .project-card,
  .stat-card,
  .mobile-menu-overlay {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }

  .header {
    background: rgba(2, 2, 6, .92);
  }

  .mobile-menu-overlay {
    background: rgba(2, 2, 6, .98);
  }

  /* Remove will-change hints on mobile to free compositor memory */
  .cursor, .cursor-glow, [data-parallax] {
    will-change: auto;
  }

  /* Divider: simpler box-shadow instead of pseudo-element on mobile */
  .divider-glow::after {
    display: none;
  }
  .divider-glow {
    box-shadow: 0 0 12px rgba(6,182,212,.08);
  }

  /* Social footer icons: bigger tap targets */
  .footer-social a {
    width: 44px;
    height: 44px;
  }

  .footer-social a svg {
    width: 18px;
    height: 18px;
  }
}

/* ---- Small Mobile (480px) ---- */

@media (max-width: 480px) {
  .container,
  .container-wide,
  .container-narrow {
    padding: 0 20px;
  }

  .section {
    padding: 56px 0;
  }

  .heading-xl {
    font-size: 32px;
    letter-spacing: -0.02em;
    line-height: 1.05;
  }

  .heading-lg {
    font-size: 26px;
    line-height: 1.1;
  }

  .heading-md {
    font-size: 22px;
    line-height: 1.15;
  }

  .heading-sm {
    font-size: 18px;
    line-height: 1.2;
  }

  .body-lg {
    font-size: 16px;
  }

  .glass-card {
    padding: 20px;
    border-radius: var(--radius-md);
  }

  .btn {
    font-size: 13px;
    padding: 14px 28px;
    min-height: 48px;
  }

  .btn-lg {
    font-size: 14px;
    padding: 16px 32px;
  }

  .tag {
    font-size: 10px;
    padding: 6px 12px;
  }

  .header {
    padding: 0 20px;
    height: 56px;
  }

  .header-logo {
    font-size: 16px;
  }

  .footer {
    padding: 40px 0 0;
  }

  .section-header {
    margin-bottom: 32px;
  }

  /* Caption labels: tighter on small screens */
  .caption {
    font-size: 10px;
    letter-spacing: 0.1em;
  }
}

/* ---- Hover-capable devices only ---- */

@media (hover: hover) and (pointer: fine) {
  .cursor,
  .cursor-glow {
    display: block !important;
  }
}

/* ---- Reduced Motion ---- */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .reveal,
  .reveal-left,
  .reveal-right,
  .reveal-scale {
    opacity: 1;
    transform: none;
  }

  #particles {
    display: none !important;
  }
}

/* ---- Visually Hidden (screen-reader only) ---- */

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}


/* ============================================================
   22. LOADING / SKELETON STATES
   ============================================================ */

.skeleton {
  background: linear-gradient(
    90deg,
    var(--fg4) 25%,
    rgba(238, 238, 242, .08) 50%,
    var(--fg4) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}

.skeleton-text {
  height: 14px;
  margin-bottom: 10px;
  border-radius: 4px;
}

.skeleton-text:last-child {
  width: 60%;
}

.skeleton-circle {
  border-radius: 50%;
}


/* ============================================================
   23. TOOLTIP
   ============================================================ */

[data-tooltip] {
  position: relative;
}

[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--fg);
  background: var(--bg3);
  border: 1px solid var(--fg4);
  border-radius: var(--radius-sm);
  padding: 6px 12px;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition-fast),
              transform var(--transition-fast);
  z-index: 50;
}

[data-tooltip]:hover::after {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}


/* ============================================================
   24. MOBILE MENU (Hamburger Overlay)
   ============================================================ */

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: calc(var(--z-header) + 10);
  position: relative;
  -webkit-tap-highlight-color: transparent;
}

.mobile-menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--fg);
  border-radius: 2px;
  transition: transform .35s cubic-bezier(.23, 1, .32, 1),
              opacity .25s ease;
  transform-origin: center;
}

.mobile-menu-toggle.active span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.mobile-menu-toggle.active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.mobile-menu-toggle.active span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.mobile-menu-overlay {
  position: fixed;
  inset: 0;
  z-index: calc(var(--z-header) - 1);
  background: rgba(2, 2, 6, .97);
  backdrop-filter: blur(40px);
  -webkit-backdrop-filter: blur(40px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 36px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(8px) scale(.99);
  transition: opacity .45s cubic-bezier(.16, 1, .3, 1),
              transform .45s cubic-bezier(.16, 1, .3, 1),
              visibility 0s .45s;
}

.mobile-menu-overlay.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0) scale(1);
  transition: opacity .45s cubic-bezier(.16, 1, .3, 1),
              transform .45s cubic-bezier(.16, 1, .3, 1),
              visibility 0s 0s;
}

.mobile-menu-overlay a {
  font-family: var(--sans);
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--fg2);
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
  opacity: 0;
  transform: translateY(20px);
  transition: color .25s ease,
              opacity .4s cubic-bezier(.16, 1, .3, 1),
              transform .4s cubic-bezier(.16, 1, .3, 1);
}

/* Stagger the links when overlay opens */
.mobile-menu-overlay.active a {
  opacity: 1;
  transform: translateY(0);
}

.mobile-menu-overlay.active a:nth-child(1) { transition-delay: .08s; }
.mobile-menu-overlay.active a:nth-child(2) { transition-delay: .14s; }
.mobile-menu-overlay.active a:nth-child(3) { transition-delay: .20s; }
.mobile-menu-overlay.active a:nth-child(4) { transition-delay: .26s; }
.mobile-menu-overlay.active a:nth-child(5) { transition-delay: .32s; }

/* Reset delay on close so links fade out together */
.mobile-menu-overlay a:nth-child(1),
.mobile-menu-overlay a:nth-child(2),
.mobile-menu-overlay a:nth-child(3),
.mobile-menu-overlay a:nth-child(4),
.mobile-menu-overlay a:nth-child(5) {
  transition-delay: 0s;
}

.mobile-menu-overlay a:hover,
.mobile-menu-overlay a.active {
  color: var(--cyan);
}

@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: flex;
  }
}

body.menu-open {
  overflow: hidden;
  position: fixed;
  width: 100%;
  top: 0;
  left: 0;
  right: 0;
}


/* ============================================================
   25. MISCELLANEOUS DECORATIVE ELEMENTS
   ============================================================ */

/* ---- Floating Orb Background ---- */

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  opacity: .15;
}

.orb--cyan {
  background: var(--cyan);
}

.orb--violet {
  background: var(--violet);
}

.orb--pink {
  background: var(--pink);
}

/* ---- Gradient Line ---- */

.gradient-line {
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--violet), var(--pink));
  border: none;
  border-radius: 1px;
}

/* ---- Dot Grid Pattern ---- */

.dot-grid {
  background-image: radial-gradient(rgba(238, 238, 242, .06) 1px, transparent 1px);
  background-size: 24px 24px;
}

/* ---- Number / Counter ---- */

.stat-number {
  font-family: var(--display);
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1;
}

.stat-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg3);
  margin-top: 8px;
}

/* ---- Badge ---- */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  background: var(--cyan-a10);
  color: var(--cyan);
  border: 1px solid rgba(6, 182, 212, .2);
}

.badge--live::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--emerald);
  animation: pulse-glow 2s infinite;
}


/* ============================================================
   25b. MOBILE CSS STARFIELD
   Pure CSS star background for mobile (replaces canvas particles).
   Three layers of tiny dots at different sizes + a slow drift animation.
   ============================================================ */

@media (max-width: 768px) {
  .mobile-stars {
    position: fixed;
    inset: 0;
    z-index: calc(var(--z-overlay) + 1);
    pointer-events: none;
    overflow: hidden;
    opacity: 0;
    animation: starsIn .6s ease .2s forwards;
  }
  @keyframes starsIn { to { opacity: 1; } }

  .mobile-stars::before,
  .mobile-stars::after,
  .mobile-stars .stars-layer {
    content: '';
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    filter: blur(0.3px);
  }

  /* Layer 1 — small stars */
  .mobile-stars::before {
    background-image:
      radial-gradient(1.2px 1.2px at  47px  83px, rgba(238,238,242,.7) 50%, transparent 50%),
      radial-gradient(1px   1px   at 203px  19px, rgba(238,238,242,.5) 50%, transparent 50%),
      radial-gradient(1.2px 1.2px at 107px 147px, rgba(238,238,242,.6) 50%, transparent 50%),
      radial-gradient(1px   1px   at 311px  67px, rgba(238,238,242,.5) 50%, transparent 50%),
      radial-gradient(1.2px 1.2px at  73px 239px, rgba(238,238,242,.7) 50%, transparent 50%),
      radial-gradient(1px   1px   at 419px 131px, rgba(238,238,242,.4) 50%, transparent 50%),
      radial-gradient(1.2px 1.2px at 167px 311px, rgba(238,238,242,.6) 50%, transparent 50%),
      radial-gradient(1px   1px   at 283px 203px, rgba(238,238,242,.5) 50%, transparent 50%),
      radial-gradient(1.2px 1.2px at  31px 371px, rgba(238,238,242,.6) 50%, transparent 50%),
      radial-gradient(1px   1px   at 359px 287px, rgba(238,238,242,.5) 50%, transparent 50%),
      radial-gradient(1.2px 1.2px at 131px  47px, rgba(238,238,242,.7) 50%, transparent 50%),
      radial-gradient(1px   1px   at 463px 359px, rgba(238,238,242,.4) 50%, transparent 50%),
      radial-gradient(1.2px 1.2px at 239px 419px, rgba(238,238,242,.6) 50%, transparent 50%),
      radial-gradient(1px   1px   at  89px 463px, rgba(238,238,242,.5) 50%, transparent 50%),
      radial-gradient(1.2px 1.2px at 347px  11px, rgba(238,238,242,.7) 50%, transparent 50%),
      radial-gradient(1px   1px   at 191px 127px, rgba(238,238,242,.5) 50%, transparent 50%),
      radial-gradient(1.2px 1.2px at 401px  71px, rgba(238,238,242,.6) 50%, transparent 50%),
      radial-gradient(1px   1px   at  23px 191px, rgba(238,238,242,.4) 50%, transparent 50%),
      radial-gradient(1.2px 1.2px at 317px 439px, rgba(238,238,242,.7) 50%, transparent 50%),
      radial-gradient(1px   1px   at 149px 263px, rgba(238,238,242,.5) 50%, transparent 50%);
    background-size: 500px 500px;
    opacity: .7;
  }

  /* Layer 2 — medium brighter stars (static, no animation) */
  .mobile-stars::after {
    background-image:
      radial-gradient(1.5px 1.5px at  79px 163px, rgba(238,238,242,.80) 50%, transparent 50%),
      radial-gradient(1.5px 1.5px at 271px  43px, rgba(238,238,242,.70) 50%, transparent 50%),
      radial-gradient(1.5px 1.5px at 389px 247px, rgba(238,238,242,.75) 50%, transparent 50%),
      radial-gradient(1.5px 1.5px at 143px 347px, rgba(238,238,242,.85) 50%, transparent 50%),
      radial-gradient(1.5px 1.5px at  19px  91px, rgba(238,238,242,.65) 50%, transparent 50%),
      radial-gradient(1.5px 1.5px at 431px 119px, rgba(238,238,242,.75) 50%, transparent 50%),
      radial-gradient(1.5px 1.5px at 197px 431px, rgba(238,238,242,.70) 50%, transparent 50%),
      radial-gradient(1.5px 1.5px at 311px 383px, rgba(238,238,242,.80) 50%, transparent 50%),
      radial-gradient(1.5px 1.5px at  53px 299px, rgba(238,238,242,.65) 50%, transparent 50%),
      radial-gradient(1.5px 1.5px at 461px  47px, rgba(238,238,242,.75) 50%, transparent 50%),
      radial-gradient(1.5px 1.5px at 227px 179px, rgba(238,238,242,.70) 50%, transparent 50%),
      radial-gradient(1.5px 1.5px at 371px 467px, rgba(238,238,242,.80) 50%, transparent 50%);
    background-size: 470px 470px;
    opacity: .6;
  }

  /* Layer 3 — accent colored stars (static, no animation) */
  .mobile-stars .stars-layer {
    background-image:
      radial-gradient(2px 2px at 151px 107px, rgba(6,182,212,.70) 50%, transparent 50%),
      radial-gradient(2px 2px at 367px 263px, rgba(16,185,129,.60) 50%, transparent 50%),
      radial-gradient(2px 2px at  59px 389px, rgba(6,182,212,.55) 50%, transparent 50%),
      radial-gradient(2.5px 2.5px at 283px  31px, rgba(238,238,242,.90) 50%, transparent 50%),
      radial-gradient(2px 2px at 419px 443px, rgba(16,185,129,.50) 50%, transparent 50%),
      radial-gradient(2.5px 2.5px at  97px 467px, rgba(6,182,212,.65) 50%, transparent 50%),
      radial-gradient(2px 2px at 443px 179px, rgba(238,238,242,.85) 50%, transparent 50%);
    background-size: 490px 490px;
    opacity: .55;
  }
}

/* Hide on desktop — canvas particles handle it */
@media (min-width: 769px) {
  .mobile-stars { display: none; }
}


/* ============================================================
   26. MOBILE-SPECIFIC PREMIUM REFINEMENTS
   ============================================================ */

/* ---- Safe-area inset support for notched devices ---- */

@supports (padding: max(0px)) {
  @media (max-width: 768px) {
    .header {
      padding-left: max(24px, env(safe-area-inset-left));
      padding-right: max(24px, env(safe-area-inset-right));
    }

    .container,
    .container-wide,
    .container-narrow {
      padding-left: max(24px, env(safe-area-inset-left));
      padding-right: max(24px, env(safe-area-inset-right));
    }

    .footer-copyright {
      padding-bottom: max(20px, env(safe-area-inset-bottom));
    }

    .mobile-menu-overlay {
      padding-bottom: max(36px, env(safe-area-inset-bottom));
    }
  }

  @media (max-width: 480px) {
    .header {
      padding-left: max(20px, env(safe-area-inset-left));
      padding-right: max(20px, env(safe-area-inset-right));
    }

    .container,
    .container-wide,
    .container-narrow {
      padding-left: max(20px, env(safe-area-inset-left));
      padding-right: max(20px, env(safe-area-inset-right));
    }
  }
}

/* ---- Mobile menu premium refinements ---- */

@media (max-width: 768px) {
  .mobile-menu-overlay {
    padding-top: 100px;
    gap: 8px;
  }

  .mobile-menu-overlay a {
    font-size: 28px;
    font-weight: 600;
    padding: 16px 24px;
    border-radius: var(--radius-md);
    min-height: 52px;
    display: flex;
    align-items: center;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
  }

  .mobile-menu-overlay a:active {
    background: rgba(6, 182, 212, .06);
  }

  .mobile-menu-overlay a.active {
    color: var(--cyan);
    position: relative;
    background: rgba(6,182,212,.04);
  }

  .mobile-menu-overlay a.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 32px;
    background: var(--cyan);
    border-radius: 2px;
  }

  /* Touch-optimized tap highlight removal */
  a, button, input, textarea, select, [role="button"] {
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
  }

  /* Prevent text selection on interactive elements during touch */
  .btn, .tag, .mobile-menu-toggle, .mobile-menu-overlay a,
  .header-logo, .footer-social a {
    -webkit-user-select: none;
    user-select: none;
  }
}

/* ---- Improved form inputs for mobile (prevent iOS zoom) ---- */

@media (max-width: 768px) {
  .form-input,
  .form-textarea,
  input[type="text"],
  input[type="email"],
  input[type="tel"],
  input[type="url"],
  input[type="search"],
  select,
  textarea {
    font-size: 16px;
  }
}

/* ---- Mobile orb performance — reduce blur on small screens ---- */

@media (max-width: 768px) {
  .orb {
    filter: blur(50px);
    opacity: .1;
  }
}


/* ============================================================
   END OF DESIGN SYSTEM
   ============================================================ */