/* =========================================================
   Portfolio - Constantinos Psaras
   Aesthetic: cosmic-tech, 3D, scroll-reactive.
   ========================================================= */

:root {
  --bg: #05070f;
  --bg-2: #0a0e1f;
  --panel: #0e1426;
  --ink: #f4f6fb;
  --ink-dim: #9aa3b8;
  --ink-mute: #6a7290;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.18);
  --accent: oklch(0.78 0.15 220);           /* electric cyan */
  --accent-2: oklch(0.78 0.15 295);         /* violet */
  --accent-glow: oklch(0.78 0.15 220 / 0.35);
  --grad: linear-gradient(135deg, oklch(0.78 0.15 220), oklch(0.78 0.15 295));
  --font-display: "Space Grotesk", "Inter", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html, body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  scroll-behavior: smooth;
  -webkit-tap-highlight-color: transparent;
  text-size-adjust: 100%;
  -webkit-text-size-adjust: 100%;
}
body.menu-open { overflow: hidden; touch-action: none; }

body {
  background:
    radial-gradient(1200px 800px at 80% -10%, oklch(0.4 0.12 260 / 0.35), transparent 60%),
    radial-gradient(900px 700px at -10% 30%, oklch(0.4 0.12 300 / 0.25), transparent 55%),
    linear-gradient(180deg, #05070f 0%, #06091a 100%);
  min-height: 100vh;
}

::selection { background: var(--accent); color: #000; }

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

/* Global noise overlay for filmic depth */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1000;
  opacity: 0.035;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/></filter><rect width='100%' height='100%' filter='url(%23n)' opacity='1'/></svg>");
}

/* Custom cursor ring */
.cursor-ring {
  position: fixed;
  top: 0; left: 0;
  width: 36px; height: 36px;
  border: 1px solid var(--accent);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: width 0.25s var(--ease), height 0.25s var(--ease), border-color 0.25s;
  backdrop-filter: invert(1) hue-rotate(180deg);
  mix-blend-mode: difference;
}
.cursor-ring.active { width: 64px; height: 64px; }
@media (max-width: 900px) { .cursor-ring { display: none; } }

/* ============================================================
   Intro loader
   ============================================================ */
.intro-loader {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: #05070f;
  display: grid;
  place-items: center;
  overflow: hidden;
  transition: opacity 0.8s var(--ease), visibility 0.8s;
}
.intro-loader.done { opacity: 0; visibility: hidden; pointer-events: none; }
.intro-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse at center, #000 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, #000 0%, transparent 70%);
  opacity: 0.6;
}
.intro-content {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 48px;
  align-items: center;
  text-align: center;
  padding: 0 24px;
}
.intro-mono {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.25em;
  color: var(--ink-dim);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.intro-dot {
  width: 8px; height: 8px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 1.2s ease-in-out infinite;
  box-shadow: 0 0 14px var(--accent-glow);
}
.intro-name {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(40px, 7vw, 100px);
  line-height: 0.95;
  letter-spacing: -0.04em;
  display: flex;
  flex-direction: column;
  gap: 0.05em;
  padding-bottom: 0.12em;
}
.intro-name span {
  display: block;
  opacity: 0;
  transform: translateY(20px);
  animation: intro-rise 0.9s var(--ease) forwards;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.intro-name span:nth-child(2) { animation-delay: 0.12s; }
@keyframes intro-rise {
  to { opacity: 1; transform: translateY(0); }
}
.intro-progress {
  width: min(440px, 80vw);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.intro-bar {
  height: 2px;
  background: rgba(255,255,255,0.08);
  position: relative;
  overflow: hidden;
}
.intro-fill {
  position: absolute;
  inset: 0 auto 0 0;
  width: 0%;
  background: var(--grad);
  box-shadow: 0 0 14px var(--accent-glow);
}
.intro-meta {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--ink-mute);
  display: flex; gap: 10px;
  justify-content: space-between;
}
.intro-meta .intro-sep { color: var(--ink-mute); flex: 1; text-align: right; }
.intro-meta #introMsg { color: var(--accent); }

/* ============================================================
   Side HUD
   ============================================================ */
.side-hud {
  position: fixed;
  right: 24px; top: 50%;
  transform: translateY(-50%);
  z-index: 80;
  display: flex;
  flex-direction: column;
  gap: 22px;
  font-family: var(--font-mono);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.6s var(--ease) 1.5s;
}
.side-hud.visible { opacity: 1; }
.side-hud .hud-block {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 6px 0 6px 12px;
  border-left: 1px solid var(--line-strong);
}
.side-hud .hud-key {
  font-size: 9px;
  letter-spacing: 0.3em;
  color: var(--ink-mute);
}
.side-hud .hud-val {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--ink-dim);
  font-variant-numeric: tabular-nums;
}
@media (max-width: 1100px) { .side-hud { display: none; } }

/* Corner marks */
.corner {
  position: fixed;
  width: 20px; height: 20px;
  pointer-events: none;
  z-index: 70;
  border-color: var(--line-strong);
  opacity: 0;
  transition: opacity 0.8s var(--ease) 1.8s;
}
body.loaded .corner { opacity: 1; }
.corner.tl { top: 18px; left: 18px; border-top: 1px solid; border-left: 1px solid; }
.corner.tr { top: 18px; right: 18px; border-top: 1px solid; border-right: 1px solid; }
.corner.bl { bottom: 18px; left: 18px; border-bottom: 1px solid; border-left: 1px solid; }
.corner.br { bottom: 18px; right: 18px; border-bottom: 1px solid; border-right: 1px solid; }
@media (max-width: 700px) { .corner { display: none; } }

/* Nav time badge */
.nav-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.nav-time {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  color: var(--ink-mute);
  padding: 3px 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
@media (max-width: 1200px) { .nav-time { display: none; } }

/* Wireframe easter egg mode */
body.wireframe * {
  background: transparent !important;
  box-shadow: none !important;
  backdrop-filter: none !important;
}
body.wireframe *,
body.wireframe *::before,
body.wireframe *::after {
  outline: 1px solid oklch(0.78 0.15 220 / 0.4) !important;
}
body.wireframe img { opacity: 0.35; filter: grayscale(1) contrast(1.4); }
body.wireframe .intro-loader, body.wireframe .wireframe-banner { outline: none !important; }
.wireframe-banner {
  position: fixed;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  z-index: 9998;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.25em;
  padding: 12px 24px;
  background: var(--accent);
  color: #000;
  border-radius: 4px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s;
}
.wireframe-banner.show { opacity: 1; }

.type-cursor {
  display: inline-block;
  color: var(--accent);
  animation: type-blink 0.9s steps(2) infinite;
  margin-left: 1px;
  font-weight: 400;
}
@keyframes type-blink { 0%, 50% { opacity: 1; } 50.01%, 100% { opacity: 0; } }

/* Navbar */
.nav {
  position: fixed;
  top: 16px; left: 50%;
  transform: translateX(-50%);
  z-index: 500;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px 8px 20px;
  background: rgba(10, 14, 30, 0.6);
  backdrop-filter: blur(18px) saturate(1.4);
  -webkit-backdrop-filter: blur(18px) saturate(1.4);
  border: 1px solid var(--line-strong);
  border-radius: 100px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.08);
  transition: transform 0.4s var(--ease), opacity 0.4s var(--ease);
}
.nav.hidden { transform: translateX(-50%) translateY(-120%); opacity: 0; }
.nav-brand {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--ink);
  padding-right: 12px;
  border-right: 1px solid var(--line);
}
.nav-brand b { color: var(--accent); }
.nav-links {
  display: flex;
  gap: 2px;
  list-style: none;
}
.nav-links a {
  padding: 8px 14px;
  font-size: 13px;
  color: var(--ink-dim);
  border-radius: 100px;
  position: relative;
  transition: color 0.2s, background 0.2s;
}
.nav-links a:hover { color: var(--ink); }
.nav-links a.active {
  color: var(--ink);
  background: rgba(255,255,255,0.06);
}
.nav-links a.active::before {
  content: "";
  position: absolute;
  left: 6px; top: 50%;
  width: 4px; height: 4px;
  background: var(--accent);
  border-radius: 50%;
  transform: translateY(-50%);
  box-shadow: 0 0 12px var(--accent);
}
.nav-cta {
  margin-left: 8px;
  padding: 9px 16px;
  font-size: 13px;
  font-family: var(--font-mono);
  background: var(--ink);
  color: #05070f;
  border-radius: 100px;
  white-space: nowrap;
  flex-shrink: 0;
  transition: transform 0.2s var(--ease), box-shadow 0.2s;
}
.nav-cta:hover { transform: translateY(-1px); box-shadow: 0 6px 18px rgba(255,255,255,0.25); }
.nav-burger { display: none; }

.nav-mobile {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(5,7,15,0.96);
  backdrop-filter: blur(20px);
  z-index: 499;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  font-size: 28px;
  font-family: var(--font-display);
  font-weight: 500;
  transform: translateY(-100%);
  transition: transform 0.45s var(--ease);
}
.nav-mobile.open { transform: translateY(0); }
.nav-mobile a { color: var(--ink-dim); }
.nav-mobile a:hover, .nav-mobile a.active { color: var(--accent); }

@media (max-width: 900px) {
  .nav { padding: 6px 10px 6px 16px; gap: 4px; }
  .nav-links, .nav-cta { display: none; }
  .nav-brand { padding-right: 10px; font-size: 12px; }
  .nav-burger {
    display: flex;
    width: 44px; height: 44px;
    align-items: center; justify-content: center;
    border-radius: 50%;
    background: rgba(255,255,255,0.06);
    color: var(--ink);
    transition: background 0.2s, transform 0.3s var(--ease);
  }
  .nav-burger svg .bar { transform-origin: 9px 9px; transition: transform 0.3s var(--ease), opacity 0.2s; }
  body.menu-open .nav-burger .bar.t { transform: rotate(45deg) translateY(4px); }
  body.menu-open .nav-burger .bar.m { opacity: 0; }
  body.menu-open .nav-burger .bar.b { transform: rotate(-45deg) translateY(-4px); }
  .nav-mobile { display: flex; }
}

/* Generic section */
section {
  position: relative;
  padding: 140px 8vw;
  max-width: 100vw;
}
.section-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
}
.section-label::before {
  content: "";
  width: 28px; height: 1px;
  background: var(--accent);
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 5.5vw, 72px);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.02;
  margin-bottom: 56px;
  max-width: 880px;
}
.section-title em {
  font-style: normal;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* Reveal utilities */
[data-reveal] {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
[data-reveal].in { opacity: 1; transform: none; }
[data-reveal-stagger] > * {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
[data-reveal-stagger].in > * { opacity: 1; transform: none; }
[data-reveal-stagger].in > *:nth-child(1) { transition-delay: 0.05s; }
[data-reveal-stagger].in > *:nth-child(2) { transition-delay: 0.12s; }
[data-reveal-stagger].in > *:nth-child(3) { transition-delay: 0.2s; }
[data-reveal-stagger].in > *:nth-child(4) { transition-delay: 0.28s; }
[data-reveal-stagger].in > *:nth-child(5) { transition-delay: 0.36s; }
[data-reveal-stagger].in > *:nth-child(6) { transition-delay: 0.44s; }
[data-reveal-stagger].in > *:nth-child(n+7) { transition-delay: 0.5s; }

/* =========================================================
   HERO
   ========================================================= */
.hero {
  position: relative;
  min-height: 100vh;
  padding: 160px 8vw 80px;
  display: flex;
  align-items: center;
  overflow: hidden;
}
#hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  display: block;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1100px;
  width: 100%;
}
.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-dim);
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
}
.hero-eyebrow .dot {
  width: 8px; height: 8px;
  background: oklch(0.78 0.18 150);
  border-radius: 50%;
  box-shadow: 0 0 12px oklch(0.78 0.18 150);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}
.hero-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(48px, 8.5vw, 140px);
  line-height: 0.98;
  letter-spacing: -0.05em;
  margin-bottom: 32px;
  padding-bottom: 0.14em;
}
.hero-title .line { display: block; overflow: visible; padding: 0.03em 0 0.06em; }
.hero-title .word {
  display: inline-block;
  animation: fade-up 1.1s var(--ease) both;
}
.hero-title .word.d2 { animation-delay: 0.12s; }
.hero-title .word.d3 { animation-delay: 0.24s; }
.hero-title .word.d4 { animation-delay: 0.36s; }
@keyframes rise { to { transform: translateY(0); } }
.hero-title .accent {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-sub {
  font-size: clamp(16px, 1.4vw, 20px);
  color: var(--ink-dim);
  max-width: 560px;
  min-height: 4em;
  margin-bottom: 40px;
  opacity: 0;
  animation: fade-up 0.9s var(--ease) 0.6s forwards;
}
@keyframes fade-up { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }
.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  opacity: 0;
  animation: fade-up 0.9s var(--ease) 0.8s forwards;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.02em;
  transition: transform 0.25s var(--ease), box-shadow 0.3s, background 0.3s;
  position: relative;
  overflow: hidden;
}
.btn-primary {
  background: var(--ink);
  color: #05070f;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 34px rgba(255,255,255,0.25); }
.btn-ghost {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--line-strong);
  color: var(--ink);
}
.btn-ghost:hover { background: rgba(255,255,255,0.08); transform: translateY(-2px); }
.btn .arrow { transition: transform 0.3s var(--ease); }
.btn:hover .arrow { transform: translate(3px, -3px); }

.hero-scroll {
  position: absolute;
  left: 50%; bottom: 40px;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--ink-mute);
  text-transform: uppercase;
  z-index: 2;
  opacity: 0;
  animation: fade-up 0.9s var(--ease) 1.2s forwards;
}
.hero-scroll .track {
  width: 1px; height: 42px;
  background: linear-gradient(180deg, transparent, var(--ink-dim), transparent);
  position: relative;
  overflow: hidden;
}
.hero-scroll .track::after {
  content: "";
  position: absolute;
  top: -20px; left: 0;
  width: 1px; height: 20px;
  background: var(--accent);
  animation: scroll-indicator 1.8s ease-in-out infinite;
}
@keyframes scroll-indicator {
  to { top: 100%; }
}

.hero-marquee {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 20px 0;
  border-top: 1px solid var(--line);
  overflow: hidden;
  z-index: 2;
  background: linear-gradient(180deg, transparent, rgba(5,7,15,0.6));
  display: none;
}

/* =========================================================
   ABOUT
   ========================================================= */
/* About intro - portrait + bio */
.about-intro {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 56px;
  align-items: center;
  margin: 56px 0 72px;
}
.about-portrait {
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
}
.portrait-frame {
  position: relative;
  width: 240px;
  height: 280px;
  border-radius: 140px 140px 18px 18px;
  overflow: hidden;
  background:
    radial-gradient(120% 80% at 50% 0%, oklch(0.78 0.15 220 / 0.18), transparent 60%),
    linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.01));
  border: 1px solid var(--line);
  box-shadow:
    0 30px 80px rgba(0,0,0,0.5),
    inset 0 1px 0 rgba(255,255,255,0.08);
  transition: transform 0.5s var(--ease);
}
.portrait-frame img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 18%;
  filter: saturate(0.92) contrast(1.02);
}
.portrait-glow {
  position: absolute;
  inset: -30% -30% auto -30%;
  height: 60%;
  background: radial-gradient(50% 50% at 50% 50%, oklch(0.78 0.15 220 / 0.35), transparent 70%);
  pointer-events: none;
  filter: blur(30px);
  opacity: 0.7;
}
.about-portrait:hover .portrait-frame {
  transform: translateY(-4px);
}
.portrait-caption {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--ink-dim);
}
.portrait-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: oklch(0.82 0.18 145);
  box-shadow: 0 0 10px oklch(0.82 0.18 145 / 0.8);
  animation: portraitPulse 2.2s ease-in-out infinite;
}
@keyframes portraitPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.55; transform: scale(0.85); }
}
.about-bio {
  display: flex;
  flex-direction: column;
  gap: 18px;
  max-width: 640px;
}
.about-lede {
  font-family: var(--font-display);
  font-size: clamp(22px, 2.4vw, 30px);
  line-height: 1.3;
  color: var(--ink);
  margin: 0;
  text-wrap: pretty;
}
.about-sub {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--ink-dim);
  opacity: 0.7;
  margin: 0;
}
@media (max-width: 820px) {
  .about-intro {
    grid-template-columns: 1fr;
    gap: 32px;
    margin: 40px 0 48px;
  }
  .about-portrait { align-items: flex-start; }
  .portrait-frame { width: 200px; height: 240px; }
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  perspective: 1500px;
}
.about-card {
  padding: 36px 28px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.01));
  position: relative;
  transition: transform 0.4s var(--ease), border-color 0.3s, background 0.3s;
  transform-style: preserve-3d;
  min-height: 280px;
  overflow: hidden;
}
.about-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(circle at var(--mx, 50%) var(--my, 0%), var(--accent-glow), transparent 50%);
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}
.about-card:hover::before { opacity: 1; }
.about-card:hover { border-color: var(--line-strong); transform: translateY(-4px); }
.about-card .num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-mute);
  letter-spacing: 0.1em;
}
.about-card h3 {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 500;
  letter-spacing: -0.02em;
  margin: 16px 0 14px;
}
.about-card p {
  color: var(--ink-dim);
  font-size: 15px;
  line-height: 1.65;
}
.about-card .icon-3d {
  position: absolute;
  top: 28px; right: 28px;
  width: 54px; height: 54px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(255,255,255,0.1), rgba(255,255,255,0.02));
  border: 1px solid var(--line-strong);
  display: grid;
  place-items: center;
  transform: translateZ(40px) rotateX(10deg) rotateY(-10deg);
  box-shadow: 0 10px 30px rgba(0,0,0,0.4), inset 0 1px 0 rgba(255,255,255,0.1);
}
.about-card .icon-3d svg { width: 26px; height: 26px; stroke: var(--accent); }

@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; }
}

/* =========================================================
   EXPERIENCE - 3D timeline
   ========================================================= */
.timeline {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 20px;
  perspective: 2000px;
}
.timeline-item {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 40px;
  padding: 36px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.01));
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.4s var(--ease), border-color 0.3s, background 0.3s;
}
.timeline-item:hover {
  border-color: var(--line-strong);
  background: linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.02));
}
.timeline-item .date-col {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
}
.timeline-item .org-logo {
  width: 72px; height: 72px;
  border-radius: 14px;
  object-fit: contain;
  background: rgba(255,255,255,0.08);
  padding: 10px;
  border: 1px solid var(--line-strong);
  box-shadow: 0 6px 18px rgba(0,0,0,0.3);
}
.timeline-item .org-logo.placeholder {
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-size: 28px;
  color: var(--accent);
}
.timeline-item .date-tag {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent);
  letter-spacing: 0.05em;
  line-height: 1.5;
}
.timeline-item .date-tag .end { color: var(--ink-mute); display: block; }
.timeline-body h3 {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 4px;
}
.timeline-body .org {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink-dim);
  margin-bottom: 20px;
}
.timeline-body ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.timeline-body ul li {
  padding-left: 22px;
  position: relative;
  color: var(--ink-dim);
  font-size: 15px;
  line-height: 1.6;
}
.timeline-body ul li::before {
  content: "";
  position: absolute;
  left: 0; top: 10px;
  width: 10px; height: 1px;
  background: var(--accent);
}

@media (max-width: 900px) {
  .timeline-item { grid-template-columns: 1fr; gap: 16px; padding: 28px; }
}

/* =========================================================
   EDUCATION
   ========================================================= */
.edu-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.edu-card {
  padding: 36px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.01));
  position: relative;
  overflow: hidden;
  transition: transform 0.4s var(--ease), border-color 0.3s;
}
.edu-card:hover { border-color: var(--line-strong); transform: translateY(-3px); }
.edu-card .logo {
  width: 64px; height: 64px;
  border-radius: 14px;
  object-fit: cover;
  background: rgba(255,255,255,0.06);
  padding: 8px;
  margin-bottom: 20px;
  border: 1px solid var(--line);
}
.edu-card h3 {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 500;
  letter-spacing: -0.02em;
}
.edu-card .degree {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 13px;
  margin: 8px 0 4px;
}
.edu-card .dates {
  color: var(--ink-mute);
  font-family: var(--font-mono);
  font-size: 12px;
  margin-bottom: 20px;
}
.edu-card ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.edu-card ul li {
  color: var(--ink-dim);
  font-size: 14px;
  padding-left: 18px;
  position: relative;
}
.edu-card ul li::before {
  content: "◆";
  position: absolute;
  left: 0; top: 0;
  color: var(--accent);
  font-size: 8px;
  transform: translateY(4px);
}
@media (max-width: 900px) { .edu-grid { grid-template-columns: 1fr; } }

/* =========================================================
   SKILLS - 3D rotating cluster
   ========================================================= */
.skills-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.skills-copy p {
  color: var(--ink-dim);
  max-width: 440px;
  font-size: 16px;
  margin-bottom: 28px;
}
.skills-groups {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.skills-group {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 18px;
  align-items: start;
}
.skills-group-label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--ink-dim);
  padding-top: 13px;
  white-space: nowrap;
  opacity: 0.7;
  border-right: 1px solid var(--line);
  padding-right: 12px;
  min-height: 34px;
}
@media (max-width: 720px) {
  .skills-group {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .skills-group-label {
    border-right: none;
    padding-right: 0;
    padding-top: 0;
    min-height: 0;
  }
}
.skills-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  padding: 0;
  margin: 0;
}
.skills-list li {
  padding: 10px 16px 10px 38px;
  border-radius: 100px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.03);
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink-dim);
  position: relative;
  transition: border-color 0.25s, color 0.25s, transform 0.3s var(--ease);
}
.skills-list li img {
  position: absolute;
  left: 10px; top: 50%;
  transform: translateY(-50%);
  width: 18px; height: 18px;
  object-fit: contain;
}
.skills-list li:hover {
  color: var(--ink);
  border-color: var(--accent);
  transform: translateY(-2px);
}

.orbit-wrap {
  position: relative;
  height: 520px;
  perspective: 1600px;
  transform-style: preserve-3d;
}
.orbit-globe {
  position: absolute;
  top: 50%; left: 50%;
  width: 460px; height: 460px;
  margin: -230px 0 0 -230px;
  pointer-events: none;
  opacity: 0.9;
  animation: globe-drift 40s linear infinite;
}
@keyframes globe-drift {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}
.orbit {
  position: absolute;
  inset: 0;
  transform-style: preserve-3d;
  top: 50%; left: 50%;
  width: 0; height: 0;
}
.orbit .node {
  position: absolute;
  top: 0; left: 0;
  width: 56px; height: 56px;
  margin: -28px 0 0 -28px;
  background: linear-gradient(160deg, rgba(255,255,255,0.08), rgba(255,255,255,0.015));
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 50%;
  display: grid; place-items: center;
  box-shadow: 0 8px 24px rgba(0,0,0,0.35), inset 0 1px 0 rgba(255,255,255,0.08);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: border-color 0.3s;
  will-change: transform, opacity;
}
.orbit .node img {
  width: 28px; height: 28px;
  object-fit: contain;
}
.orbit .node .node-letter {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--accent);
  font-weight: 500;
}

@media (max-width: 900px) {
  .skills-wrap { grid-template-columns: 1fr; }
  .orbit-wrap { height: 420px; order: -1; }
}

/* =========================================================
   CERTIFICATIONS
   ========================================================= */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.cert-card {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.01));
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: transform 0.35s var(--ease), border-color 0.3s;
  position: relative;
  overflow: hidden;
}
.cert-card::after {
  content: "";
  position: absolute;
  top: -60%; left: -60%;
  width: 60%; height: 220%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.08), transparent);
  transform: rotate(25deg);
  transition: transform 0.9s var(--ease);
  pointer-events: none;
}
.cert-card:hover { transform: translateY(-4px); border-color: var(--accent); }
.cert-card:hover::after { transform: rotate(25deg) translateX(400%); }
.cert-card .logo {
  width: 56px; height: 56px;
  border-radius: 12px;
  background: rgba(255,255,255,0.06);
  padding: 8px;
  border: 1px solid var(--line);
  object-fit: contain;
}
.cert-card h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.25;
}
.cert-card .meta {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-mute);
}
.cert-card .meta b { color: var(--accent); font-weight: 400; }
.cert-card .tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
  padding-top: 12px;
}
.cert-card .tags span {
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 4px 8px;
  border-radius: 100px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--line);
  color: var(--ink-dim);
}
.cert-card .view-link {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 8px;
  transition: gap 0.2s var(--ease);
}
.cert-card .view-link:hover { gap: 10px; }
@media (max-width: 900px) { .cert-grid { grid-template-columns: 1fr; } }

/* =========================================================
   PROJECTS - tilt cards
   ========================================================= */
.proj-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.proj-card {
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.01));
  overflow: hidden;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.5s var(--ease), border-color 0.3s;
  display: flex;
  flex-direction: column;
}
.proj-card:hover { border-color: var(--line-strong); }
.proj-card .media {
  aspect-ratio: 16 / 10;
  background: linear-gradient(135deg, rgba(255,255,255,0.06), rgba(255,255,255,0.01));
  display: grid;
  place-items: center;
  overflow: hidden;
  position: relative;
  border-bottom: 1px solid var(--line);
}
.proj-card .media img {
  width: 100%; height: 100%;
  object-fit: contain;
  padding: 14px;
  transition: transform 0.6s var(--ease);
}
.proj-card:hover .media img { transform: scale(1.04); }
.proj-card .media.placeholder {
  background:
    repeating-linear-gradient(45deg, rgba(255,255,255,0.02) 0 10px, transparent 10px 20px),
    linear-gradient(135deg, rgba(255,255,255,0.04), rgba(255,255,255,0.01));
  color: var(--ink-mute);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  flex-direction: column;
  gap: 10px;
  text-align: center;
  padding: 20px;
}
.proj-card .media.placeholder .glyph {
  font-size: 32px;
  color: var(--accent);
  opacity: 0.6;
}
.proj-card .media.tile {
  padding: 0;
  background:
    radial-gradient(120% 80% at 80% 0%, oklch(0.35 0.15 260 / 0.5), transparent 60%),
    radial-gradient(100% 70% at 0% 100%, oklch(0.35 0.15 300 / 0.4), transparent 60%),
    linear-gradient(160deg, #0b1024 0%, #070a16 100%);
  position: relative;
}
.proj-card .media.tile::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 24px 24px;
  mask-image: radial-gradient(100% 100% at 50% 50%, #000 0%, transparent 85%);
  pointer-events: none;
}
.proj-card .media.tile .tile-art {
  width: 100%; height: 100%;
  object-fit: cover;
  position: relative; z-index: 1;
  transition: transform 0.8s var(--ease);
}
.proj-card:hover .media.tile .tile-art { transform: scale(1.03); }
.proj-card .body { padding: 24px; display: flex; flex-direction: column; gap: 12px; flex: 1; }
.proj-card .body h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.15;
}
.proj-card .body p {
  color: var(--ink-dim);
  font-size: 14px;
  line-height: 1.6;
  flex: 1;
}
.proj-card .tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.proj-card .tags span {
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 4px 8px;
  border-radius: 100px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--line);
  color: var(--ink-dim);
}
.proj-card .actions {
  display: flex;
  gap: 8px;
  margin-top: 4px;
}
.proj-card .actions a, .proj-card .actions button {
  flex: 1;
  padding: 10px 14px;
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 12px;
  text-align: center;
  transition: background 0.25s, transform 0.25s var(--ease);
}
.proj-card .actions .demo {
  background: var(--ink);
  color: #05070f;
}
.proj-card .actions .demo:hover { transform: translateY(-2px); }
.proj-card .actions .src {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--line);
  color: var(--ink);
}
.proj-card .actions .src:hover { background: rgba(255,255,255,0.08); }
.proj-card .count {
  position: absolute;
  top: 14px; left: 14px;
  z-index: 2;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink);
  padding: 4px 10px;
  border-radius: 100px;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(6px);
  border: 1px solid var(--line-strong);
}

@media (max-width: 1100px) { .proj-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 700px)  { .proj-grid { grid-template-columns: 1fr; } }

/* =========================================================
   VOLUNTEERING
   ========================================================= */
.vol-card {
  padding: 44px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background:
    radial-gradient(600px 200px at 80% 0%, var(--accent-glow), transparent 60%),
    linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.01));
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 40px;
  align-items: center;
}
.vol-card .big-num {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(80px, 12vw, 160px);
  line-height: 0.9;
  letter-spacing: -0.05em;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.vol-card .big-num .unit {
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--ink-dim);
  -webkit-text-fill-color: var(--ink-dim);
  letter-spacing: 0.1em;
  display: block;
  margin-top: 8px;
}
.vol-card h3 {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 500;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}
.vol-card .date {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent);
  margin-bottom: 18px;
}
.vol-card ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.vol-card ul li {
  color: var(--ink-dim);
  padding-left: 22px;
  position: relative;
  line-height: 1.6;
}
.vol-card ul li::before {
  content: "";
  position: absolute;
  left: 0; top: 10px;
  width: 12px; height: 1px;
  background: var(--accent);
}
@media (max-width: 700px) { .vol-card { grid-template-columns: 1fr; padding: 32px; } }

/* =========================================================
   CONTACT / FOOTER
   ========================================================= */
.contact {
  padding: 120px 8vw 60px;
  position: relative;
  overflow: hidden;
}
.contact-hero {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(48px, 10vw, 140px);
  line-height: 0.95;
  letter-spacing: -0.04em;
  margin-bottom: 48px;
  max-width: 1100px;
}
.contact-hero .grad {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.contact-main {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: end;
  padding-top: 48px;
  border-top: 1px solid var(--line);
}
.contact-links {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.contact-link {
  display: grid;
  grid-template-columns: 64px 1fr auto;
  align-items: center;
  gap: 16px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 34px);
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--ink-dim);
  transition: color 0.3s;
  position: relative;
}
.contact-link:hover { color: var(--ink); }
.contact-link .lead-arrow {
  color: var(--accent);
  font-size: 20px;
  opacity: 0;
  transform: translateX(-8px);
  transition: opacity 0.3s, transform 0.4s var(--ease);
}
.contact-link:hover .lead-arrow { opacity: 1; transform: translateX(0); }
.contact-link .label { display: flex; align-items: center; gap: 16px; }
.contact-link .label .kind {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  min-width: 80px;
}
.contact-link .arrow {
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--ink-mute);
  transition: transform 0.3s var(--ease);
}
.contact-link:hover .arrow { transform: translate(4px, -4px); color: var(--accent); }

.contact-meta {
  display: flex;
  flex-direction: column;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-mute);
  line-height: 1.8;
  text-align: right;
}
.contact-meta .sig {
  font-family: var(--font-display);
  font-size: 20px;
  color: var(--ink);
}

.foot {
  margin-top: 60px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-mute);
  letter-spacing: 0.05em;
}
@media (max-width: 700px) {
  .contact-main { grid-template-columns: 1fr; }
  .contact-meta { text-align: left; }
  .foot { flex-direction: column; gap: 10px; }
}

/* Scroll progress bar */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  width: 0;
  background: var(--grad);
  z-index: 600;
  box-shadow: 0 0 8px var(--accent);
}

/* =========================================================
   TOUCH / NO-HOVER DEVICES
   ========================================================= */
@media (hover: none) {
  .cursor-ring { display: none !important; }
  .about-card::before { display: none; }
  .cert-card::after { display: none; }
  .about-card:hover, .proj-card:hover, .edu-card:hover,
  .cert-card:hover, .timeline-item:hover,
  .btn:hover, .nav-cta:hover, .skills-list li:hover {
    transform: none;
  }
  .proj-card:hover .media img,
  .proj-card:hover .media.tile .tile-art { transform: none; }
}

/* =========================================================
   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;
  }
  html, body { scroll-behavior: auto; }
  .orbit-globe { animation: none; }
  .intro-loader { display: none; }
}

/* =========================================================
   TABLET ( ≤ 1100px )
   ========================================================= */
@media (max-width: 1100px) {
  .cert-grid { grid-template-columns: repeat(2, 1fr); }
  .skills-wrap { gap: 40px; }
}

/* =========================================================
   MOBILE / SMALL TABLET ( ≤ 900px )
   ========================================================= */
@media (max-width: 900px) {
  /* Section spacing */
  section { padding: 96px 6vw; }
  .hero { padding: 120px 6vw 64px; min-height: auto; }
  .contact { padding: 96px 6vw 48px; }
  .section-title { margin-bottom: 40px; }

  /* Hero */
  .hero-content { max-width: 100%; }
  .hero-title { margin-bottom: 24px; padding-bottom: 0.18em; }
  .hero-sub { font-size: 16px; min-height: 7em; margin-bottom: 32px; }
  .hero-actions .btn { padding: 12px 18px; font-size: 13px; }

  /* About cards (already 1-col at 900px) */
  .about-card { min-height: auto; padding: 28px 22px; }
  .about-card .icon-3d { width: 46px; height: 46px; top: 22px; right: 22px; border-radius: 12px; }
  .about-card .icon-3d svg { width: 22px; height: 22px; }
  .about-card h3 { font-size: 22px; padding-right: 60px; margin: 14px 0 10px; }
  .about-card p { font-size: 14.5px; }

  /* Timeline */
  .timeline-item { padding: 26px 22px; }
  .timeline-item .date-col { flex-direction: row; align-items: center; gap: 14px; flex-wrap: wrap; }
  .timeline-item .org-logo { width: 54px; height: 54px; }
  .timeline-item .date-tag { font-size: 11.5px; }
  .timeline-item .date-tag .end { display: inline; margin-left: 4px; }
  .timeline-body h3 { font-size: 21px; }
  .timeline-body .org { font-size: 12.5px; margin-bottom: 16px; }
  .timeline-body ul li { font-size: 14.5px; }

  /* Education */
  .edu-card { padding: 26px 22px; }
  .edu-card h3 { font-size: 21px; }
  .edu-card .logo { width: 56px; height: 56px; margin-bottom: 16px; }

  /* Skills */
  .skills-copy p { max-width: 100%; }
  .orbit-wrap { height: 380px; }
  .orbit-globe { width: 340px; height: 340px; margin: -170px 0 0 -170px; }
  .orbit .node { width: 48px; height: 48px; margin: -24px 0 0 -24px; }
  .orbit .node img { width: 24px; height: 24px; }

  /* Certifications */
  .cert-card { padding: 24px; }
  .cert-card h3 { font-size: 17px; }

  /* Volunteering */
  .vol-card { padding: 32px 24px; gap: 24px; }
  .vol-card h3 { font-size: 22px; }
  .vol-card .big-num .unit { font-size: 14px; }

  /* Contact */
  .contact-link {
    grid-template-columns: 28px 1fr auto;
    gap: 14px;
    padding: 18px 0;
    font-size: clamp(18px, 4.5vw, 26px);
  }
  .contact-link .lead-arrow { font-size: 18px; opacity: 0.6; transform: none; }
  .contact-link .label { flex-direction: column; align-items: flex-start; gap: 4px; min-width: 0; overflow: hidden; }
  .contact-link .label .kind { min-width: 0; font-size: 10.5px; letter-spacing: 0.15em; }
  .contact-link .arrow { font-size: 14px; }
  .contact-hero { margin-bottom: 36px; }
  .contact-main { padding-top: 32px; gap: 28px; }

  /* Hero canvas: soften behind text */
  #hero-canvas { opacity: 0.6; }

  /* Reveal motion: tighten */
  [data-reveal], [data-reveal-stagger] > * { transform: translateY(20px); }
}

/* =========================================================
   PHONE ( ≤ 600px )
   ========================================================= */
@media (max-width: 600px) {
  section { padding: 72px 5vw; }
  .hero { padding: 104px 5vw 48px; }
  .contact { padding: 80px 5vw 40px; }

  .section-label { font-size: 11px; margin-bottom: 14px; }
  .section-title { margin-bottom: 32px; }

  .hero-eyebrow { font-size: 11px; margin-bottom: 18px; gap: 10px; }
  .hero-title { letter-spacing: -0.04em; line-height: 1.02; }
  .hero-sub { font-size: 15px; margin-bottom: 28px; }
  .hero-actions { gap: 10px; width: 100%; }
  .hero-actions .btn {
    flex: 1 1 calc(50% - 5px);
    justify-content: center;
    padding: 12px 14px;
    font-size: 12.5px;
  }

  /* Long email/url shouldn't blow out the contact-link grid */
  .contact-link .label { font-size: clamp(16px, 4.4vw, 22px); word-break: break-word; }

  /* Skills cluster smaller */
  .orbit-wrap { height: 320px; }
  .orbit-globe { width: 260px; height: 260px; margin: -130px 0 0 -130px; }
  .orbit .node { width: 44px; height: 44px; margin: -22px 0 0 -22px; }
  .orbit .node img { width: 22px; height: 22px; }
  .skills-list li { padding: 9px 14px 9px 34px; font-size: 12.5px; }
  .skills-list li img { left: 9px; width: 16px; height: 16px; }

  /* Portrait */
  .portrait-frame { width: 180px; height: 220px; }

  /* Vol */
  .vol-card { padding: 26px 22px; }
  .vol-card .big-num { line-height: 0.95; }

  /* Project */
  .proj-card .body { padding: 22px; gap: 10px; }
  .proj-card .body h3 { font-size: 20px; }
  .proj-card .body p { font-size: 14px; }
  .proj-card .count { font-size: 10.5px; padding: 3px 8px; }

  /* Cert */
  .cert-card { padding: 22px; }

  /* Edu */
  .edu-card { padding: 24px 20px; }

  /* Timeline */
  .timeline-item { padding: 22px 20px; }
  .timeline-item .org-logo { width: 48px; height: 48px; padding: 8px; }

  /* Mobile menu */
  .nav-mobile { font-size: 24px; gap: 18px; }

  /* Foot */
  .foot { font-size: 10px; flex-direction: column; gap: 8px; align-items: flex-start; }
}

/* =========================================================
   SMALL PHONE ( ≤ 380px )
   ========================================================= */
@media (max-width: 380px) {
  section { padding: 64px 5vw; }
  .hero { padding: 96px 5vw 44px; }
  .hero-title { font-size: clamp(38px, 12vw, 56px); }
  .hero-sub { font-size: 14.5px; }
  .hero-actions .btn { flex: 1 1 100%; }
  .section-title { font-size: clamp(28px, 8vw, 44px); }
  .about-card h3, .timeline-body h3, .edu-card h3 { font-size: 19px; }
  .vol-card h3 { font-size: 20px; }
}