/* ================================================================
   RHYTHM MITTAL — PORTFOLIO
   "Neon Space" — Cyan-Blue-Violet on Pure Black

   Palette : neon cyan → royal blue → violet gradients on #000
   Layout  : bento grid skills, card grid projects
   Effects : aurora bg, glassmorphism, spotlight glow, 3D tilt,
             animated gradient borders, particle network, typewriter
   Fonts   : Playfair Display · Inter · JetBrains Mono
   ================================================================ */

/* ─────────────────────────────────────
   CSS HOUDINI — animated properties
   ───────────────────────────────────── */
@property --border-angle {
  syntax: "<angle>";
  initial-value: 0deg;
  inherits: false;
}

/* ─────────────────────────────────────
   CUSTOM PROPERTIES
   ───────────────────────────────────── */
:root {
  /* Background — true black with blue-violet undertone */
  --bg-deep: #000000;
  --bg-primary: #030014;
  --bg-secondary: #06021a;
  --bg-card: rgba(8, 5, 28, 0.55);
  --bg-elevated: rgba(12, 8, 40, 0.6);

  /* Text — cool silver */
  --text-primary: #e4e8f0;
  --text-secondary: #7a86a0;
  --text-muted: #3c4560;

  /* Accent spectrum */
  --cyan: #00d4ff;
  --blue: #0070ff;
  --violet: #7b2ff2;
  --ice: #b0e0ff;

  /* Functional accent aliases */
  --accent: var(--cyan);
  --accent-hover: #33deff;
  --accent-subtle: rgba(0, 212, 255, 0.06);
  --accent-border: rgba(0, 212, 255, 0.1);
  --accent-glow: rgba(0, 212, 255, 0.12);
  --accent-glow-strong: rgba(0, 212, 255, 0.3);

  /* Status */
  --success: #22c55e;
  --success-subtle: rgba(34, 197, 94, 0.08);
  --warning: #f59e0b;
  --warning-subtle: rgba(245, 158, 11, 0.08);

  /* Borders */
  --border: rgba(0, 212, 255, 0.05);
  --border-hover: rgba(0, 212, 255, 0.14);

  /* Fonts */
  --font-display: "Playfair Display", Georgia, serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: "JetBrains Mono", "SF Mono", "Fira Code", monospace;

  /* Layout */
  --max-width: 1100px;
  --nav-height: 72px;
  --section-pad: 120px;

  /* Easings */
  --ease-out: cubic-bezier(0.25, 1, 0.5, 1);
  --ease-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
  scroll-padding-top: calc(var(--nav-height) + 24px);
}
html.no-js [data-animate] {
  opacity: 1 !important;
  transform: none !important;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  background: var(--bg-deep);
  color: var(--text-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
}
ul {
  list-style: none;
}
img {
  max-width: 100%;
  display: block;
}
button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
  color: inherit;
}

::selection {
  background: var(--blue);
  color: #fff;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

/* ─── Scrollbar ─── */
::-webkit-scrollbar {
  width: 5px;
}
::-webkit-scrollbar-track {
  background: var(--bg-deep);
}
::-webkit-scrollbar-thumb {
  background: rgba(0, 212, 255, 0.15);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(0, 212, 255, 0.3);
}
html {
  scrollbar-width: thin;
  scrollbar-color: rgba(0, 212, 255, 0.15) var(--bg-deep);
}

/* ─────────────────────────────────────
   BACKGROUND — Aurora, Grid, Grain, Vignette
   ───────────────────────────────────── */

/* Aurora gradient orbs */
.aurora {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.aurora-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  will-change: transform;
  opacity: 0.6;
}

.aurora-orb--1 {
  width: 55vw;
  height: 55vw;
  max-width: 700px;
  max-height: 700px;
  top: -20%;
  left: -15%;
  background: radial-gradient(
    circle,
    rgba(0, 212, 255, 0.09) 0%,
    transparent 70%
  );
  animation: aurora1 22s ease-in-out infinite;
}

.aurora-orb--2 {
  width: 45vw;
  height: 45vw;
  max-width: 600px;
  max-height: 600px;
  bottom: -15%;
  right: -10%;
  background: radial-gradient(
    circle,
    rgba(123, 47, 242, 0.07) 0%,
    transparent 70%
  );
  animation: aurora2 28s ease-in-out infinite;
}

.aurora-orb--3 {
  width: 35vw;
  height: 35vw;
  max-width: 500px;
  max-height: 500px;
  top: 45%;
  left: 55%;
  background: radial-gradient(
    circle,
    rgba(0, 112, 255, 0.06) 0%,
    transparent 70%
  );
  animation: aurora3 18s ease-in-out infinite;
}

.aurora-orb--4 {
  width: 30vw;
  height: 30vw;
  max-width: 400px;
  max-height: 400px;
  top: 20%;
  left: 30%;
  background: radial-gradient(
    circle,
    rgba(0, 212, 255, 0.04) 0%,
    transparent 70%
  );
  animation: aurora4 24s ease-in-out infinite;
}

@keyframes aurora1 {
  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }
  33% {
    transform: translate(60px, 40px) scale(1.12);
  }
  66% {
    transform: translate(-30px, 80px) scale(0.95);
  }
}
@keyframes aurora2 {
  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }
  50% {
    transform: translate(-60px, -50px) scale(1.1);
  }
}
@keyframes aurora3 {
  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }
  33% {
    transform: translate(-50px, 30px) scale(1.08);
  }
  66% {
    transform: translate(30px, -40px) scale(0.92);
  }
}
@keyframes aurora4 {
  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }
  50% {
    transform: translate(40px, -30px) scale(1.06);
  }
}

/* Dot grid */
.bg-grid {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background-image: radial-gradient(
    rgba(0, 212, 255, 0.06) 1px,
    transparent 1px
  );
  background-size: 40px 40px;
  mask-image: radial-gradient(
    ellipse 60% 60% at 50% 50%,
    black 20%,
    transparent 70%
  );
  -webkit-mask-image: radial-gradient(
    ellipse 60% 60% at 50% 50%,
    black 20%,
    transparent 70%
  );
}

.grain {
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.02;
  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='0.9' 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: 128px;
}

.vignette {
  position: fixed;
  inset: 0;
  z-index: 9998;
  pointer-events: none;
  background: radial-gradient(
    ellipse at center,
    transparent 35%,
    rgba(0, 0, 0, 0.55) 100%
  );
}

/* Mouse glow */
.mouse-glow {
  position: fixed;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    rgba(0, 212, 255, 0.045) 0%,
    transparent 65%
  );
  pointer-events: none;
  z-index: 2;
  transform: translate(-50%, -50%);
  opacity: 0;
  transition: opacity 0.5s ease;
}

/* ─────────────────────────────────────
   SCROLL PROGRESS
   ───────────────────────────────────── */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  z-index: 1001;
}

.scroll-progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--cyan), var(--blue), var(--violet));
  transition: width 0.1s linear;
  box-shadow:
    0 0 14px var(--accent-glow-strong),
    0 0 3px var(--cyan);
}

/* ─────────────────────────────────────
   UTILITY
   ───────────────────────────────────── */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 32px;
}

.section {
  padding: var(--section-pad) 0;
  position: relative;
  z-index: 3;
}

.section--alt {
  background: rgba(6, 2, 26, 0.3);
}

.accent-dot {
  color: var(--cyan);
}

.highlight {
  color: var(--cyan);
  font-weight: 500;
}

/* ─────────────────────────────────────
   GLASS CARD SYSTEM
   Reusable glassmorphism + animated border
   ───────────────────────────────────── */
.glass-card {
  position: relative;
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  transition:
    border-color 0.4s,
    box-shadow 0.5s;
}

.glass-card:hover {
  border-color: var(--border-hover);
  box-shadow:
    0 8px 40px rgba(0, 0, 0, 0.4),
    0 0 60px rgba(0, 212, 255, 0.04);
}

/* Animated rotating gradient border */
.glass-card-border {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: conic-gradient(
    from var(--border-angle),
    transparent 30%,
    var(--cyan) 47%,
    var(--blue) 50%,
    var(--violet) 53%,
    transparent 70%
  );
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.5s;
  pointer-events: none;
  z-index: 1;
}

.glass-card:hover .glass-card-border {
  opacity: 1;
  animation: rotate-border 4s linear infinite;
}

@keyframes rotate-border {
  to {
    --border-angle: 360deg;
  }
}

/* Spotlight glow from cursor — controlled by JS */
[data-glow]::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(
    circle 250px at var(--glow-x, 50%) var(--glow-y, 50%),
    rgba(0, 212, 255, 0.07),
    transparent
  );
  opacity: 0;
  transition: opacity 0.4s;
  pointer-events: none;
  z-index: 0;
}

[data-glow]:hover::before {
  opacity: 1;
}

/* ─────────────────────────────────────
   SECTION HEADS
   ───────────────────────────────────── */
.section-head {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 56px;
}

.section-head--center {
  justify-content: center;
}

.section-num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--cyan);
  letter-spacing: 0.04em;
  text-shadow: 0 0 18px var(--accent-glow-strong);
  flex-shrink: 0;
}

.section-rule {
  display: block;
  width: 64px;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan), var(--blue), transparent);
  flex-shrink: 0;
}

.section-heading {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 38px);
  font-weight: 600;
  letter-spacing: -0.5px;
}

.section-desc {
  color: var(--text-muted);
  font-size: 15px;
  margin-top: -32px;
  margin-bottom: 48px;
}

/* ─────────────────────────────────────
   BUTTONS
   ───────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 32px;
  font-size: 14px;
  font-weight: 500;
  font-family: var(--font-body);
  letter-spacing: 0.02em;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  transition: all 0.4s var(--ease-out);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn-text {
  position: relative;
  z-index: 1;
}

.btn-icon {
  position: relative;
  z-index: 1;
  display: flex;
  transition: transform 0.35s var(--ease-out);
}

.btn:hover .btn-icon {
  transform: translateX(5px);
}

.btn--primary {
  background: linear-gradient(135deg, var(--cyan), var(--blue));
  color: #fff;
  box-shadow:
    0 2px 20px rgba(0, 212, 255, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

/* Shine sweep */
.btn--primary::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.12),
    transparent
  );
  transition: left 0.6s var(--ease-out);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow:
    0 10px 40px rgba(0, 212, 255, 0.3),
    inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.btn--primary:hover::before {
  left: 100%;
}

/* Breathing glow for CTA */
.btn--glow {
  animation: btn-breathe 3s ease-in-out infinite;
}

@keyframes btn-breathe {
  0%,
  100% {
    box-shadow: 0 2px 20px rgba(0, 212, 255, 0.2);
  }
  50% {
    box-shadow:
      0 4px 30px rgba(0, 212, 255, 0.35),
      0 0 60px rgba(0, 212, 255, 0.1);
  }
}

.btn--glow:hover {
  animation: none;
}

.btn--outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-hover);
  backdrop-filter: blur(6px);
}

.btn--outline:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  background: var(--accent-subtle);
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.08);
}

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

/* ─────────────────────────────────────
   NAVIGATION
   ───────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(24px) saturate(1.2);
  -webkit-backdrop-filter: blur(24px) saturate(1.2);
  border-bottom: 1px solid transparent;
  transition: all 0.4s var(--ease-out);
}

.nav.scrolled {
  border-bottom-color: var(--border-hover);
  background: rgba(0, 0, 0, 0.7);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 32px;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.5px;
  transition: all 0.3s;
}

.nav-logo:hover {
  color: var(--cyan);
  text-shadow: 0 0 20px var(--accent-glow-strong);
}

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

.nav-link {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: all 0.3s;
  position: relative;
}

.nav-link:hover {
  color: var(--cyan);
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: linear-gradient(90deg, var(--cyan), var(--blue));
  box-shadow: 0 0 6px var(--accent-glow);
  transition: width 0.4s var(--ease-expo);
}

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

.nav-link--ext {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.nav-link--ext::after {
  display: none;
}

.nav-link.active {
  color: var(--cyan);
  text-shadow: 0 0 12px var(--accent-glow);
}
.nav-link.active::after {
  width: 100%;
}

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  padding: 8px;
  z-index: 1010;
}

.nav-toggle .bar {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all 0.4s var(--ease-expo);
  transform-origin: center;
}

.nav-toggle.active .bar:first-child {
  transform: rotate(45deg) translate(2.5px, 2.5px);
}
.nav-toggle.active .bar:last-child {
  transform: rotate(-45deg) translate(2.5px, -2.5px);
}

/* ─────────────────────────────────────
   HERO
   ───────────────────────────────────── */
.hero {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero-particles {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: calc(var(--nav-height) + 40px) 32px 80px;
  width: 100%;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
  position: relative;
  z-index: 3;
}

.hero-content {
  max-width: 640px;
}

/* Eyebrow */
.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--cyan);
  letter-spacing: 0.06em;
  margin-bottom: 24px;
  text-shadow: 0 0 16px var(--accent-glow-strong);
}

.hero-eyebrow-rule {
  display: block;
  width: 40px;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan), transparent);
  box-shadow: 0 0 8px var(--accent-glow);
}

/* Name — animated tri-color gradient */
.hero-name {
  font-family: var(--font-display);
  font-size: clamp(50px, 9vw, 92px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -2px;
  margin-bottom: 16px;
  background: linear-gradient(
    270deg,
    var(--cyan),
    var(--blue),
    var(--violet),
    var(--blue),
    var(--cyan)
  );
  background-size: 400% 400%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: name-gradient 6s ease-in-out infinite;
}

@keyframes name-gradient {
  0%,
  100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

.name-row {
  display: block;
  overflow: hidden;
}
.name-word {
  display: inline-block;
}

.char {
  display: inline-block;
  -webkit-text-fill-color: inherit;
  transition: transform 0.3s var(--ease-out);
}

.char:hover {
  transform: translateY(-5px) scale(1.1);
  filter: drop-shadow(0 0 10px rgba(0, 212, 255, 0.5));
}

/* Role — typewriter */
.hero-role {
  font-family: var(--font-display);
  font-size: clamp(20px, 3.5vw, 32px);
  font-weight: 400;
  font-style: italic;
  color: var(--text-secondary);
  letter-spacing: -0.5px;
  margin-bottom: 28px;
  min-height: 1.4em;
}

.typewriter-wrapper {
  display: inline-flex;
  align-items: center;
}

.typewriter-cursor {
  display: inline-block;
  width: 2px;
  height: 0.9em;
  background: var(--cyan);
  margin-left: 2px;
  animation: cursor-blink 0.8s step-end infinite;
  box-shadow: 0 0 6px var(--accent-glow);
  vertical-align: middle;
}

@keyframes cursor-blink {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0;
  }
}

/* Description */
.hero-desc {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.75;
  max-width: 460px;
  margin-bottom: 40px;
}

/* CTA row */
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* Scroll indicator */
.hero-scroll {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding-bottom: 20px;
  flex-shrink: 0;
}

.hero-scroll-text {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  writing-mode: vertical-rl;
}

.hero-scroll-line {
  display: block;
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--cyan), transparent);
  box-shadow: 0 0 6px var(--accent-glow);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%,
  100% {
    opacity: 1;
    transform: scaleY(1);
  }
  50% {
    opacity: 0.3;
    transform: scaleY(0.5);
  }
}

/* Watermark */
.hero-watermark {
  position: absolute;
  bottom: -20px;
  right: -10px;
  font-family: var(--font-display);
  font-size: clamp(160px, 25vw, 320px);
  font-weight: 800;
  color: var(--cyan);
  opacity: 0.015;
  line-height: 1;
  pointer-events: none;
  user-select: none;
}

/* ─────────────────────────────────────
   ABOUT — BENTO GRID
   3 cols: bio(2) + skill(1) top row
           skill × 3 bottom row
   ───────────────────────────────────── */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.bento-bio {
  grid-column: span 2;
  padding: 32px;
}

.bento-bio p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.85;
  margin-bottom: 18px;
}

.bento-bio p:last-child {
  margin-bottom: 0;
}

.bento-skill {
  padding: 24px;
  display: flex;
  flex-direction: column;
  will-change: transform;
}

.bento-skill-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: var(--accent-subtle);
  border: 1px solid var(--accent-border);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  color: var(--cyan);
  transition: all 0.4s var(--ease-out);
}

.bento-skill:hover .bento-skill-icon {
  background: rgba(0, 212, 255, 0.1);
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.1);
  transform: scale(1.05);
}

.bento-skill h4 {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--cyan);
  margin-bottom: 14px;
  text-shadow: 0 0 10px var(--accent-glow);
}

.bento-skill ul li {
  font-size: 13px;
  font-family: var(--font-mono);
  color: var(--text-secondary);
  padding: 3px 0;
  line-height: 1.6;
  transition:
    color 0.3s,
    transform 0.3s var(--ease-out);
}

.bento-skill:hover ul li {
  color: var(--text-primary);
}

.bento-skill:hover ul li:nth-child(1) {
  transition-delay: 0s;
}
.bento-skill:hover ul li:nth-child(2) {
  transition-delay: 0.03s;
}
.bento-skill:hover ul li:nth-child(3) {
  transition-delay: 0.06s;
}
.bento-skill:hover ul li:nth-child(4) {
  transition-delay: 0.09s;
}

/* ─── Stats ─── */
.about-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  margin-top: 24px;
  padding: 36px;
}

.stat {
  text-align: center;
}

.stat-num {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 44px);
  font-weight: 700;
  color: var(--cyan);
  display: inline;
  letter-spacing: -1px;
  text-shadow: 0 0 20px var(--accent-glow-strong);
}

.stat-plus {
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 700;
  color: var(--cyan);
}

.stat-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-top: 8px;
}

.stat-divider {
  width: 1px;
  height: 48px;
  background: linear-gradient(
    180deg,
    transparent,
    var(--border-hover),
    transparent
  );
}

/* ─────────────────────────────────────
   PROJECTS — CARD GRID
   Featured full-width, rest 2-col
   ───────────────────────────────────── */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.project-card {
  will-change: transform;
}

.project-card--featured {
  grid-column: span 2;
}

/* Top gradient accent */
.project-card-accent {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--blue), var(--violet));
  opacity: 0;
  transition: opacity 0.4s;
  z-index: 2;
}

.project-card:hover .project-card-accent {
  opacity: 1;
}

.project-card-inner {
  position: relative;
  z-index: 2;
  padding: 28px;
}

.project-card--featured .project-card-inner {
  padding: 36px;
}

.project-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.project-num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--cyan);
  text-shadow: 0 0 10px var(--accent-glow);
}

.project-type {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  padding: 3px 10px;
  border: 1px solid var(--border);
  border-radius: 4px;
  transition: border-color 0.3s;
}

.project-card:hover .project-type {
  border-color: var(--border-hover);
}

.project-title {
  font-family: var(--font-display);
  font-size: clamp(20px, 2.5vw, 26px);
  font-weight: 600;
  letter-spacing: -0.3px;
  margin-bottom: 12px;
  transition: all 0.3s;
}

.project-card--featured .project-title {
  font-size: clamp(24px, 3vw, 32px);
}

.project-card:hover .project-title {
  color: var(--cyan);
  text-shadow: 0 0 14px var(--accent-glow);
}

.project-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 18px;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 20px;
}

.project-tags span {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  padding: 4px 10px;
  background: var(--accent-subtle);
  color: var(--cyan);
  border-radius: 4px;
  letter-spacing: 0.02em;
  border: 1px solid transparent;
  transition: all 0.3s;
}

.project-card:hover .project-tags span {
  border-color: var(--accent-border);
}

.project-links {
  display: flex;
  gap: 20px;
}

.project-link {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: all 0.3s;
}

.project-link:hover {
  color: var(--text-primary);
}

.project-link--live {
  color: var(--cyan);
}
.project-link--live:hover {
  color: var(--accent-hover);
  text-shadow: 0 0 10px var(--accent-glow);
}

/* Note */
.projects-note {
  margin-top: 48px;
  text-align: center;
}

.projects-note p {
  font-size: 14px;
  color: var(--text-muted);
}

.projects-note a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: var(--accent-border);
  transition: all 0.3s;
}

.projects-note a:hover {
  color: var(--accent-hover);
  text-decoration-color: var(--accent-hover);
  text-shadow: 0 0 10px var(--accent-glow);
}

/* ─────────────────────────────────────
   UPCOMING
   ───────────────────────────────────── */
.upcoming-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.upcoming-card {
  padding: 28px;
  will-change: transform;
}

/* Status */
.upcoming-status {
  position: absolute;
  top: 18px;
  right: 18px;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 4px 12px;
  border-radius: 5px;
  display: flex;
  align-items: center;
  gap: 6px;
  z-index: 2;
}

.upcoming-status--progress {
  background: var(--success-subtle);
  color: var(--success);
  border: 1px solid rgba(34, 197, 94, 0.12);
}

.upcoming-status--planning {
  background: var(--warning-subtle);
  color: var(--warning);
  border: 1px solid rgba(245, 158, 11, 0.12);
}

.upcoming-status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 8px rgba(34, 197, 94, 0.4);
  animation: statusPulse 2s ease-in-out infinite;
}

@keyframes statusPulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.3;
    transform: scale(0.7);
  }
}

.upcoming-icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: var(--accent-subtle);
  border: 1px solid var(--accent-border);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  color: var(--cyan);
  position: relative;
  z-index: 2;
  transition: all 0.4s var(--ease-out);
}

.upcoming-card:hover .upcoming-icon {
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.1);
}

.upcoming-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
  position: relative;
  z-index: 2;
}

.upcoming-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 18px;
  position: relative;
  z-index: 2;
}

.upcoming-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 22px;
  position: relative;
  z-index: 2;
}

.upcoming-tags span {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  padding: 3px 9px;
  background: var(--accent-subtle);
  color: var(--cyan);
  border-radius: 4px;
}

/* Countdown */
.upcoming-countdown {
  margin-bottom: 18px;
  position: relative;
  z-index: 2;
}

.countdown-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.countdown-boxes {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
}

.countdown-box {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 4px;
  text-align: center;
  transition: border-color 0.3s;
}

.upcoming-card:hover .countdown-box {
  border-color: var(--border-hover);
}

.countdown-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 600;
  line-height: 1;
  margin-bottom: 4px;
}

.countdown-unit {
  font-family: var(--font-mono);
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

/* Launched */
.upcoming-card.launched .upcoming-countdown {
  display: none;
}

.upcoming-card.launched::after {
  content: "🚀 Launched!";
  display: block;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--cyan);
  text-align: center;
  padding: 16px;
  margin-bottom: 18px;
  text-shadow: 0 0 14px var(--accent-glow-strong);
  position: relative;
  z-index: 2;
}

/* Progress */
.upcoming-progress {
  width: 100%;
  height: 3px;
  background: rgba(0, 212, 255, 0.04);
  border-radius: 2px;
  overflow: hidden;
  position: relative;
  z-index: 2;
}

.upcoming-progress-bar {
  height: 100%;
  width: var(--progress, 0%);
  background: linear-gradient(90deg, var(--cyan), var(--blue));
  border-radius: 2px;
  transition: width 1.2s var(--ease-expo);
  box-shadow: 0 0 8px var(--accent-glow);
}

/* ─────────────────────────────────────
   CONTACT
   ───────────────────────────────────── */
.contact-content {
  max-width: 500px;
  margin: 0 auto;
  text-align: center;
}

.contact-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 5vw, 42px);
  font-weight: 600;
  font-style: italic;
  letter-spacing: -0.5px;
  margin-bottom: 20px;
  background: linear-gradient(135deg, var(--text-primary) 30%, var(--cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.contact-text {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 32px;
}

.contact-socials {
  margin-top: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
}

.contact-socials a {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all 0.3s;
}

.contact-socials a:hover {
  color: var(--cyan);
  text-shadow: 0 0 10px var(--accent-glow);
}

.contact-socials .sep {
  color: var(--text-muted);
  font-size: 18px;
}

/* ─────────────────────────────────────
   FOOTER
   ───────────────────────────────────── */
.footer {
  padding: 40px 32px;
  border-top: 1px solid var(--border);
  position: relative;
  z-index: 3;
}

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

.footer-text {
  font-size: 13px;
  color: var(--text-muted);
}
.footer-sub {
  font-size: 13px;
  color: var(--text-muted);
  opacity: 0.5;
}

/* ─────────────────────────────────────
   GSAP INITIAL STATES
   ───────────────────────────────────── */
[data-animate="fade-up"] {
  opacity: 0;
  transform: translateY(32px);
}
[data-animate="hero"] {
  opacity: 0;
  transform: translateY(24px);
}

/* ─────────────────────────────────────
   FOCUS
   ───────────────────────────────────── */
:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ─────────────────────────────────────
   REDUCED MOTION
   ───────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  [data-animate] {
    opacity: 1 !important;
    transform: none !important;
  }
  .hero-scroll-line,
  .upcoming-status-dot {
    animation: none;
  }
  .hero-particles,
  .aurora,
  .mouse-glow,
  .bg-grid {
    display: none;
  }
  .hero-name {
    animation: none;
    background-size: 100% 100%;
  }
  .typewriter-cursor {
    animation: none;
  }
}

/* ─────────────────────────────────────
   RESPONSIVE ≤ 900px
   ───────────────────────────────────── */
@media (max-width: 900px) {
  :root {
    --section-pad: 88px;
  }

  .bento-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .bento-bio {
    grid-column: span 2;
  }

  .projects-grid {
    grid-template-columns: 1fr;
  }
  .project-card--featured {
    grid-column: span 1;
  }

  .upcoming-grid {
    grid-template-columns: 1fr 1fr;
  }

  .about-stats {
    gap: 24px;
    padding: 28px 20px;
  }
}

/* ─────────────────────────────────────
   RESPONSIVE ≤ 768px
   ───────────────────────────────────── */
@media (max-width: 768px) {
  :root {
    --section-pad: 72px;
    --nav-height: 64px;
  }

  .container {
    padding: 0 20px;
  }

  .nav-toggle {
    display: flex;
  }
  .nav-inner {
    padding: 0 20px;
  }

  .nav-links {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.97);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0;
    opacity: 0;
    visibility: hidden;
    transition:
      opacity 0.5s var(--ease-expo),
      visibility 0.5s;
    z-index: 1000;
  }

  .nav-links.open {
    opacity: 1;
    visibility: visible;
  }

  .nav-links li {
    overflow: hidden;
  }

  .nav-link {
    display: block;
    padding: 16px 0;
    font-size: 24px;
    font-family: var(--font-display);
    text-transform: none;
    letter-spacing: -0.3px;
    font-weight: 500;
    color: var(--text-primary);
    transform: translateY(100%);
    transition:
      transform 0.5s var(--ease-expo),
      color 0.3s;
  }

  .nav-links.open .nav-link {
    transform: translateY(0);
  }
  .nav-links.open li:nth-child(1) .nav-link {
    transition-delay: 0.05s;
  }
  .nav-links.open li:nth-child(2) .nav-link {
    transition-delay: 0.1s;
  }
  .nav-links.open li:nth-child(3) .nav-link {
    transition-delay: 0.15s;
  }
  .nav-links.open li:nth-child(4) .nav-link {
    transition-delay: 0.2s;
  }
  .nav-links.open li:nth-child(5) .nav-link {
    transition-delay: 0.25s;
  }
  .nav-links li .nav-link {
    transition-delay: 0s;
  }
  .nav-link::after {
    display: none;
  }
  .nav-link--ext svg {
    display: none;
  }

  .hero-inner {
    flex-direction: column;
    align-items: flex-start;
    padding-bottom: 48px;
  }
  .hero-scroll {
    display: none;
  }
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }
  .hero-actions .btn {
    text-align: center;
    justify-content: center;
  }

  .bento-grid {
    grid-template-columns: 1fr;
  }
  .bento-bio {
    grid-column: span 1;
  }

  .section-head {
    margin-bottom: 40px;
  }
  .section-desc {
    margin-top: -20px;
    margin-bottom: 32px;
  }

  .upcoming-grid {
    grid-template-columns: 1fr;
  }

  .about-stats {
    flex-wrap: wrap;
    gap: 20px;
    padding: 24px 16px;
  }
  .stat-divider {
    display: none;
  }
  .stat {
    flex: 1 1 40%;
    min-width: 100px;
  }

  .footer-inner {
    flex-direction: column;
    gap: 4px;
    text-align: center;
  }

  .mouse-glow,
  .bg-grid {
    display: none;
  }
}

/* ─────────────────────────────────────
   RESPONSIVE ≤ 480px
   ───────────────────────────────────── */
@media (max-width: 480px) {
  .project-tags {
    gap: 5px;
  }
  .project-links {
    flex-direction: column;
    gap: 8px;
  }
  .hero-name {
    letter-spacing: -1px;
  }
  .contact-title {
    font-size: 26px;
  }
  .about-stats {
    flex-direction: column;
    gap: 16px;
  }
  .stat {
    flex: 1 1 100%;
  }
}