/*
  Portfolio Theme
  - Dark-first, light as alternate
  - Accessible controls (contrast, text size, reduced motion)
*/

/* Reset */
* { box-sizing: border-box; }
html, body { height: 100%; }
body, h1, h2, h3, p, ul, ol { margin: 0; }
img, video { max-width: 100%; display: block; }
button, input { font: inherit; }

:root {
  --bg: #0f1116;
  --bg-elev: #141824;
  --text: #e9edf2; /* slightly brighter for AA */
  --muted: #c7cbd6; /* higher contrast on dark */
  --card: #151a24;
  --border: #343a4d; /* more separation */
  --accent: #6ee7ff; /* cyan */
  --accent-2: #8b5cf6; /* violet */
  --success: #22d3ee;
  --danger: #fb7185;

  --radius: 12px;
  --shadow: 0 10px 30px rgba(0,0,0,.35);
  --text-scale: 1; /* controlled via JS */
  --card-min-h: 380px; /* baseline minimum card height */

  /* Safe area insets (iOS notch etc.) */
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-right: env(safe-area-inset-right, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-left: env(safe-area-inset-left, 0px);
}

html { color-scheme: dark light; }
body {
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  font-size: calc(16px * var(--text-scale));
  line-height: 1.6;
  background: var(--bg);
  color: var(--text);
}

/* Light theme */
html[data-theme="light"] {
  --bg: #ffffff;
  --bg-elev: #f9fafb;
  --text: #111827;
  --muted: #374151; /* slate-700 for AA on white */
  --card: #ffffff;
  --border: #d1d5db;
  --accent: #2563eb;
  --accent-2: #16a34a;
  --shadow: 0 8px 24px rgba(0,0,0,.12);
}

/* High contrast */
html[data-contrast="high"] {
  --text: #ffffff;
  --bg: #000000;
  --border: #444;
  --accent: #00ffff;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}
html[data-reduce-motion="true"] * {
  animation-duration: .001ms !important;
  animation-iteration-count: 1 !important;
  transition-duration: .001ms !important;
}

.accent { color: var(--accent); }
.code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace; color: var(--accent-2); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: .5rem;
  padding: .75rem 1rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: linear-gradient(180deg, var(--bg-elev), var(--card));
  color: var(--text);
  text-decoration: none;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .2s ease, border-color .2s ease;
}
.btn:hover { transform: translateY(-1px); box-shadow: var(--shadow); border-color: var(--accent); }
.btn.primary { background: linear-gradient(180deg, color-mix(in oklab, var(--accent), #000 10%), color-mix(in oklab, var(--accent), #000 25%)); color: #001b1f; border-color: transparent; }
html[data-theme="light"] .btn.primary { color: #fff; }
.btn.ghost { background: transparent; }
.btn.small { padding: .5rem .75rem; font-size: .9rem; }
.btn.disabled { opacity: .55; cursor: not-allowed; pointer-events: none; }
.link-btn { background: none; border: none; color: var(--accent); cursor: pointer; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: linear-gradient(180deg, rgba(0,0,0,.45), rgba(0,0,0,0));
  backdrop-filter: blur(8px);
}
.site-header.compact { background: color-mix(in oklab, var(--bg), #000 10%); border-bottom: 1px solid var(--border); }
/* Softer header for light mode */
html[data-theme="light"] .site-header { background: linear-gradient(180deg, rgba(255,255,255,.85), rgba(255,255,255,0)); }
html[data-theme="light"] .site-header.compact { background: rgba(255,255,255,.95); }
.nav { max-width: 1100px; margin: 0 auto; padding: .75rem 1rem; display: flex; align-items: center; justify-content: space-between; padding-left: calc(1rem + var(--safe-left)); padding-right: calc(1rem + var(--safe-right)); }
.logo {
  display: inline-flex;
  align-items: center;
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: .5px;
  line-height: 0;
}

.logo-image {
  display: block;
  height: clamp(32px, 3vw, 48px);
  width: auto;
}
.nav-links { list-style: none; display: flex; gap: 1rem; }
.nav-links a { color: var(--text); text-decoration: none; padding: .5rem .75rem; border-radius: 8px; }
.nav-links a:hover { background: color-mix(in oklab, var(--card), #000 10%); }
.header-actions { display: flex; align-items: center; gap: .5rem; }
.nav-toggle { display: none; background: transparent; color: var(--text); border: 1px solid var(--border); padding: .4rem .6rem; border-radius: 10px; position: relative; font-size: 0; }
.nav-toggle::before { content: '≡'; font-size: 18px; line-height: 1; }

/* Theme toggle */
.theme-toggle { position: relative; width: 44px; height: 28px; border-radius: 999px; border: 1px solid var(--border); background: var(--card); cursor: pointer; overflow: hidden; }
.theme-toggle .sun, .theme-toggle .moon { position: absolute; top: 50%; transform: translateY(-50%); width: 16px; height: 16px; border-radius: 50%; transition: left .25s ease, background .25s ease; }
.theme-toggle .sun { left: 6px; background: #facc15; box-shadow: 0 0 8px #fde047; }
.theme-toggle .moon { left: 22px; background: #94a3b8; box-shadow: inset -3px -3px 0 0 #0f172a; }
html[data-theme="light"] .theme-toggle .sun { left: 22px; }
html[data-theme="light"] .theme-toggle .moon { left: 6px; }

/* Side panel */
.side-panel {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: grid;
  grid-template-columns: minmax(0, 1fr) min(400px, 92vw);
  background: rgba(8,12,18,.55);
  backdrop-filter: blur(12px);
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s ease;
}
.side-panel.open { opacity: 1; pointer-events: auto; }

.side-sheet {
  grid-column: 2;
  position: relative;
  height: 100%;
  background: color-mix(in oklab, var(--bg), #000 12%);
  border-left: 1px solid color-mix(in oklab, var(--border), transparent 20%);
  border-top-left-radius: 18px;
  border-bottom-left-radius: 18px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: translateX(18px);
  transition: transform .3s cubic-bezier(.22,.61,.36,1);
}
.side-panel.open .side-sheet { transform: translateX(0); }

.side-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  border: 1px solid color-mix(in oklab, var(--border), transparent 40%);
  background: linear-gradient(180deg, var(--bg-elev), var(--card));
  color: var(--text);
  border-radius: 12px;
  width: 34px;
  height: 34px;
  font-size: 0;
  box-shadow: 0 12px 28px rgba(0,0,0,.45);
  transition: transform .15s ease, box-shadow .25s ease, border-color .2s ease;
  z-index: 10; /* keep above intro block */
}
.side-close::before { content: "\00D7"; font-size: 18px; line-height: 34px; display: inline-block; }
.side-close:hover { transform: scale(1.05); border-color: color-mix(in oklab, var(--accent), transparent 65%); }

.side-shell {
  flex: 1;
  overflow-y: auto;
  padding: 1.6rem calc(1.55rem + var(--safe-right)) 1.8rem calc(1.55rem + var(--safe-left));
  display: flex;
  flex-direction: column;
  gap: 1.6rem;
  scrollbar-width: thin;
  scrollbar-color: color-mix(in oklab, var(--accent), transparent 60%) transparent;
}
.side-shell::-webkit-scrollbar { width: 8px; }
.side-shell::-webkit-scrollbar-thumb { background: color-mix(in oklab, var(--accent), transparent 55%); border-radius: 999px; }

.side-intro {
  position: relative;
  padding: 1.25rem 1.1rem 1.35rem;
  border-radius: 16px;
  border: 1px solid color-mix(in oklab, var(--border), transparent 22%);
  background:
    radial-gradient(120% 120% at 18% 20%, color-mix(in oklab, var(--accent), transparent 70%), transparent),
    radial-gradient(110% 150% at 85% 10%, color-mix(in oklab, var(--accent-2), transparent 74%), transparent),
    linear-gradient(180deg, color-mix(in oklab, var(--bg), #000 10%), var(--card));
  box-shadow: inset 0 1px 0 rgba(255,255,255,.04);
  display: grid;
  gap: .45rem;
}
.side-overline {
  text-transform: uppercase;
  letter-spacing: .18em;
  font-size: .65rem;
  color: color-mix(in oklab, var(--muted), #fff 12%);
}
.side-title { margin: 0; font-size: 1.35rem; }
.side-meta { font-size: .85rem; color: color-mix(in oklab, var(--muted), #fff 6%); }
.side-quote { font-size: .85rem; color: color-mix(in oklab, var(--accent), #fff 20%); }

.side-group {
  border: 1px solid color-mix(in oklab, var(--border), transparent 18%);
  border-radius: 16px;
  background: linear-gradient(180deg, color-mix(in oklab, var(--bg-elev), transparent 8%), var(--card));
  box-shadow: inset 0 1px 0 rgba(255,255,255,.03);
  padding: 1.1rem 1.15rem 1.25rem;
  display: grid;
  gap: 1rem;
}
.side-heading {
  margin: 0;
  font-size: 1rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: color-mix(in oklab, var(--muted), #fff 10%);
}

.side-link-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: .75rem; }
.side-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: .6rem .8rem;
  border-radius: 12px;
  border: 1px solid color-mix(in oklab, var(--border), transparent 30%);
  background: linear-gradient(150deg, color-mix(in oklab, var(--bg-elev), transparent 8%), color-mix(in oklab, var(--accent), transparent 82%));
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  letter-spacing: .02em;
  transition: transform .18s ease, border-color .2s ease, box-shadow .25s ease;
}
.side-link:hover {
  transform: translateY(-2px);
  border-color: color-mix(in oklab, var(--accent), transparent 35%);
  box-shadow: 0 12px 28px rgba(0,0,0,.35);
}

.side-toggle {
  display: flex;
  align-items: center;
  gap: .9rem;
  padding: .75rem 1rem;
  border-radius: 14px;
  border: 1px solid color-mix(in oklab, var(--border), transparent 35%);
  background: linear-gradient(120deg, color-mix(in oklab, var(--accent), transparent 82%), color-mix(in oklab, var(--bg-elev), transparent 4%));
  color: var(--text);
  cursor: pointer;
  transition: transform .2s ease, box-shadow .25s ease, border-color .25s ease, background .3s ease;
}
.side-toggle:hover { transform: translateY(-2px); box-shadow: 0 14px 32px rgba(0,0,0,.35); }
.side-toggle[aria-pressed="false"] {
  background: linear-gradient(120deg, color-mix(in oklab, var(--bg-elev), transparent 6%), color-mix(in oklab, var(--accent-2), transparent 82%));
}
.side-toggle-icon {
  position: relative;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: color-mix(in oklab, var(--accent), transparent 70%);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.05);
  transition: background .3s ease;
}
.side-toggle-icon::before,
.side-toggle-icon::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  transition: transform .3s ease, opacity .3s ease;
}
.side-toggle-icon::before {
  width: 18px;
  height: 18px;
  top: 50%;
  left: 50%;
  background: #ffd166;
  box-shadow: 0 0 12px rgba(255,209,102,.45);
  transform: translate(-50%, -50%);
}
.side-toggle-icon::after {
  width: 16px;
  height: 16px;
  top: 26%;
  right: 4px;
  background: rgba(12,18,32,.9);
  opacity: 0;
}
.side-toggle[aria-pressed="false"] .side-toggle-icon::before {
  transform: translate(-35%, -35%);
  opacity: .75;
}
.side-toggle[aria-pressed="false"] .side-toggle-icon::after { opacity: 1; }
.side-toggle-copy { display: grid; gap: .25rem; text-align: left; }
.side-toggle-copy strong { font-size: 1rem; }
.side-toggle-copy small { font-size: .8rem; color: color-mix(in oklab, var(--muted), #fff 6%); }

.side-range { display: grid; gap: .45rem; }
.side-range-label { font-size: .85rem; color: color-mix(in oklab, var(--muted), #fff 10%); }
.side-range input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
}
.side-range output {
  font-size: .85rem;
  color: var(--accent);
  justify-self: end;
}

.side-chips { display: flex; flex-wrap: wrap; gap: .6rem; }
.side-chip { position: relative; }
.side-chip input { position: absolute; opacity: 0; pointer-events: none; }
.side-chip span {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .4rem .8rem;
  border-radius: 999px;
  border: 1px solid color-mix(in oklab, var(--border), transparent 35%);
  background: color-mix(in oklab, var(--bg-elev), transparent 8%);
  font-size: .85rem;
  transition: border-color .2s ease, box-shadow .25s ease, color .2s ease, background .2s ease;
}
.side-chip span::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: color-mix(in oklab, var(--accent), transparent 80%);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.12);
}
.side-chip input:checked + span {
  color: var(--accent);
  border-color: color-mix(in oklab, var(--accent), transparent 45%);
  background: color-mix(in oklab, var(--accent), transparent 90%);
  box-shadow: 0 0 0 1px color-mix(in oklab, var(--accent), transparent 70%);
}
.side-chip input:checked + span::before { background: var(--accent); }

.side-copy { font-size: .9rem; color: color-mix(in oklab, var(--muted), #fff 10%); }
.side-egg-btn {
  justify-self: start;
  border: 1px solid color-mix(in oklab, var(--accent), transparent 45%);
  background: linear-gradient(160deg, color-mix(in oklab, var(--accent), transparent 82%), color-mix(in oklab, var(--accent-2), transparent 82%));
  color: var(--text);
  padding: .55rem .9rem;
  border-radius: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .25s ease;
}
.side-egg-btn:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(0,0,0,.35); }
.side-egg-output { min-height: 1.4rem; font-size: .85rem; color: color-mix(in oklab, var(--accent), #fff 20%); }

.side-switch {
  position: relative;
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .4rem .5rem .4rem .1rem;
}
.side-switch input { position: absolute; opacity: 0; pointer-events: none; }
.side-switch-indicator {
  flex: 0 0 46px;
  height: 26px;
  border-radius: 999px;
  background: color-mix(in oklab, var(--bg-elev), transparent 10%);
  border: 1px solid color-mix(in oklab, var(--border), transparent 30%);
  position: relative;
  transition: background .25s ease, border-color .25s ease;
}
.side-switch-indicator::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 4px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: color-mix(in oklab, var(--accent), transparent 60%);
  box-shadow: 0 3px 6px rgba(0,0,0,.35);
  transform: translate(0, -50%);
  transition: transform .25s ease, background .25s ease;
}
.side-switch-label { font-size: .9rem; color: color-mix(in oklab, var(--muted), #fff 10%); }
.side-switch input:checked + .side-switch-indicator { background: color-mix(in oklab, var(--accent), transparent 80%); border-color: color-mix(in oklab, var(--accent), transparent 40%); }
.side-switch input:checked + .side-switch-indicator::after { transform: translate(18px, -50%); background: var(--accent); }
.side-switch input:checked ~ .side-switch-label { color: var(--accent); }

.pixel-pet {
  border: 1px dashed color-mix(in oklab, var(--accent), transparent 40%);
  border-radius: 14px;
  padding: .75rem 1rem;
  background: linear-gradient(180deg, color-mix(in oklab, var(--bg-elev), transparent 12%), color-mix(in oklab, var(--accent-2), transparent 92%));
  display: grid;
  gap: .5rem;
  transition: opacity .25s ease, transform .25s ease;
}
.pixel-pet[hidden] { display: none; }
.pixel-pet pre {
  margin: 0;
  font-family: "Fira Code", "SFMono-Regular", Consolas, monospace;
  font-size: .95rem;
  color: color-mix(in oklab, var(--accent), #fff 15%);
}
.pixel-pet p { margin: 0; font-size: .8rem; color: color-mix(in oklab, var(--muted), #fff 12%); }

.side-socials { display: flex; flex-wrap: wrap; gap: .5rem; }
.side-social {
  display: inline-flex;
  align-items: center;
  padding: .45rem .8rem;
  border-radius: 999px;
  border: 1px solid color-mix(in oklab, var(--border), transparent 30%);
  text-decoration: none;
  color: var(--text);
  font-size: .85rem;
  transition: transform .18s ease, border-color .2s ease, box-shadow .25s ease;
}
.side-social:hover {
  transform: translateY(-2px);
  border-color: color-mix(in oklab, var(--accent), transparent 40%);
  box-shadow: 0 10px 24px rgba(0,0,0,.32);
  color: var(--accent);
}

@media (max-width: 720px) {
  .side-panel { grid-template-columns: minmax(0, 1fr) min(360px, 92vw); }
  .side-shell { padding: 1.35rem 1.25rem 1.6rem; }
}

.socials { display: flex; flex-wrap: wrap; gap: .6rem; }
.social-btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .55rem .8rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  text-decoration: none;
  color: var(--text);
  background: linear-gradient(180deg, var(--bg-elev), var(--card));
  transition: border-color .2s ease, box-shadow .2s ease, transform .15s ease;
}
.social-btn i { font-size: 1.2rem; line-height: 1; color: var(--brand, currentColor); }
.social-btn img { width: 1.2rem; height: 1.2rem; display: inline-block; }
.social-btn:hover { transform: translateY(-1px); }
.social-btn.github { --brand: #333; border-color: color-mix(in oklab, var(--brand), #fff 15%); }
.social-btn.linkedin { --brand: #0a66c2; border-color: color-mix(in oklab, var(--brand), #fff 15%); }
.social-btn.steam { --brand: #171a21; border-color: color-mix(in oklab, var(--brand), #fff 15%); }
.social-btn.github:hover,
.social-btn.linkedin:hover,
.social-btn.steam:hover { border-color: var(--brand); box-shadow: 0 0 0 3px color-mix(in oklab, var(--brand), transparent 85%); }

/* Hero */
.hero { position: relative; display: grid; grid-template-columns: 1.1fr 1fr; gap: 1rem; align-items: center; max-width: 1100px; margin: 0 auto; padding: 2rem 1rem 3rem; }
.hero-media { position: relative; grid-column: 1 / 2; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border); aspect-ratio: 16 / 9; background:
  radial-gradient(60% 120% at 20% 30%, color-mix(in oklab, var(--accent), transparent 75%), transparent),
  radial-gradient(60% 120% at 80% 70%, color-mix(in oklab, var(--accent-2), transparent 75%), transparent);
}
/* Light mode hero tuning */
html[data-theme="light"] .hero-media {
  background:
    radial-gradient(60% 120% at 20% 30%, color-mix(in oklab, var(--accent) 55%, transparent 45%), transparent),
    radial-gradient(60% 120% at 80% 70%, color-mix(in oklab, var(--accent-2) 55%, transparent 45%), transparent),
    linear-gradient(180deg, #ffffff, #f8fafc);
}
.hero-media video { width: 100%; height: 100%; object-fit: cover; opacity: .25; }
.hero-play { position: absolute; left: 12px; bottom: 12px; display: none; align-items: center; gap: .4rem; padding: .45rem .7rem; font-size: .9rem; border-radius: 10px; border: 1px solid var(--border); background: var(--bg-elev); color: var(--text); box-shadow: var(--shadow); cursor: pointer; }
.hero-play::before { content: '\25B6'; font-size: .9rem; }
.server-stack { position: absolute; right: 10%; bottom: 10%; display: grid; gap: 6px; }
.rack { width: 140px; height: 26px; border-radius: 6px; background: color-mix(in oklab, var(--card), #000 10%); border: 1px solid var(--border); display: flex; align-items: center; gap: 6px; padding: 0 8px; box-shadow: inset 0 -6px 10px rgba(0,0,0,.25); }
.rack .led { width: 6px; height: 6px; border-radius: 50%; background: #083344; animation: blink 2.2s infinite; }
.rack .led:nth-child(2) { animation-delay: .5s; background: #052e16; }
.rack .led:nth-child(3) { animation-delay: 1s; background: #172554; }
@keyframes blink { 0%, 80%, 100% { opacity: .25 } 50% { opacity: 1 } }

.hero-content { grid-column: 2 / 3; padding: .5rem; }
.hero h1 { font-size: clamp(1.5rem, 2.5vw + 1rem, 2.75rem); line-height: 1.2; margin-bottom: .75rem; }
.tagline { color: var(--muted); }
.cta-row { display: flex; gap: .75rem; margin-top: 1rem; }

/* Sections */
.section-head { max-width: 1100px; margin: 0 auto; padding: 2rem 1rem 1rem; display: flex; align-items: center; justify-content: space-between; }
.projects, .about, .contact { max-width: 1100px; margin: 0 auto; padding: 0 1rem 2rem; }

/* Project grid */
.project-grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  grid-auto-rows: minmax(var(--card-min-h), auto);
  grid-auto-flow: dense;
  margin-bottom: 2rem;
}
.project-grid .card { height: 100%; min-height: var(--card-min-h); }
.project-grid .card.card-wide { grid-column: span 2; }
.project-grid .card.card-tall { grid-row: span 2; }
.project-grid .card.card-hero { grid-column: span 2; grid-row: span 2; }

@media (max-width: 899px) {
  .project-grid .card.card-wide,
  .project-grid .card.card-tall,
  .project-grid .card.card-hero { grid-column: span 1; grid-row: span 1; }
}

@media (min-width: 900px) {
  .project-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
  .project-grid .card { grid-column: span 2; }
  .project-grid .card.card-wide { grid-column: span 3; }
  .project-grid .card.card-tall { grid-row: span 2; }
  .project-grid .card.card-hero { grid-column: span 4; grid-row: span 2; }
}

@media (min-width: 1200px) {
  .project-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }
  .project-grid .card { grid-column: span 4; }
  .project-grid .card.card-wide { grid-column: span 6; }
  .project-grid .card.card-tall { grid-row: span 2; }
  .project-grid .card.card-hero { grid-column: span 8; grid-row: span 2; }
}

.card {
  border: 1px solid var(--border);
  background: var(--card);
  border-radius: var(--radius);
  overflow: hidden;
  display: grid;
  grid-template-rows: auto 1fr; /* media + body */
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
  border-color: var(--accent);
}

/* Featured project highlight */
.card.featured { border-color: var(--accent-2); box-shadow: var(--shadow); }
.card.featured .badge { border-color: color-mix(in oklab, var(--accent-2), #000 40%); }

.card-media { aspect-ratio: 16/9; background: #0b0d12; }
.card-media img, .card-media video { width: 100%; height: 100%; object-fit: cover; display: block; }
html[data-theme="light"] .card-media { background: #eef2f7; }
.card-media img, .card-media video { width: 100%; height: 100%; object-fit: cover; display: block; }
.card-media iframe { width: 100%; height: 100%; border: 0; display: block; }
.yt-preview { position: relative; width: 100%; height: 100%; border-radius: 8px; overflow: hidden; }
.yt-thumb { width: 100%; height: 100%; object-fit: cover; display: block; filter: saturate(0.9) brightness(0.95); }
.yt-play { position: absolute; inset: 0; margin: auto; width: 64px; height: 64px; border-radius: 50%; border: none; background: rgba(0,0,0,.5); color: #fff; cursor: pointer; display: grid; place-items: center; box-shadow: 0 6px 16px rgba(0,0,0,.35); }
.yt-play::before { content: '\25B6'; font-size: 28px; transform: translateX(2px); }
.card-body { padding: .75rem; display: flex; flex-direction: column; gap: .5rem; min-height: 0; }
.card h3 { font-size: 1.05rem; line-height: 1.25; margin: 0; display: -webkit-box; -webkit-line-clamp: 2; line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.card-body p:not(.card-contrib-item) { color: var(--muted); font-size: .95rem; margin: 0; display: -webkit-box; -webkit-line-clamp: 4; line-clamp: 4; -webkit-box-orient: vertical; overflow: hidden; }
.card-body, .badges { min-width: 0; }
.badges { position: relative; max-height: none; overflow: visible; }
.badges::after { display: none; }
.badge { max-width: 100%; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; display: inline-flex; align-items: center; }
.badges { display: flex; flex-wrap: wrap; gap: .35rem; }
.badge { font-size: .8rem; padding: .2rem .5rem; border-radius: 999px; border: 1px solid var(--border); background: color-mix(in oklab, var(--card), #000 5%); color: var(--text); }
.badge i { font-size: 1rem; line-height: 1; vertical-align: -2px; }
.badge img { width: 1rem; height: 1rem; display: inline-block; vertical-align: -2px; filter: none; }
.card-actions { display: grid; gap: .5rem; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); margin-top: auto; padding-top: .25rem; }
.card-actions .btn { width: 100%; min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; justify-content: center; text-align: center; }
.card-actions .btn.small { padding: .45rem .6rem; font-size: .85rem; }


.card-contrib { border: 1px dashed var(--border); border-radius: 10px; padding: .6rem .75rem; background: color-mix(in oklab, var(--card), #000 6%); display: grid; gap: .4rem; }
.card-contrib-title { font-size: .75rem; letter-spacing: .08em; text-transform: uppercase; font-weight: 600; color: var(--muted); margin: 0; }
.card-contrib-item { font-size: .92rem; color: var(--text); line-height: 1.45; margin: 0; }
.card-contrib-list { margin: 0; padding-left: 1.1rem; display: grid; gap: .3rem; list-style: disc; list-style-position: outside; font-size: .92rem; color: var(--text); }
.card-contrib-list li { color: inherit; }

/* Carousel */
.project-carousel { position: relative; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; background: var(--card); padding-bottom: 4.5rem; }
.carousel-track { display: grid; grid-auto-flow: column; grid-auto-columns: 100%; align-items: stretch; touch-action: pan-y; user-select: none; }
.carousel-slide { padding: 1rem; display: grid; align-items: stretch; }
.carousel-slide .card { min-height: var(--card-min-h); }
.carousel-btn {
  position: absolute;
  bottom: 1.1rem;
  width: 48px;
  height: 48px;
  border-radius: 999px;
  border: 1px solid transparent;
  color: color-mix(in oklab, var(--accent) 80%, #ffffff 20%);
  background: linear-gradient(140deg, color-mix(in oklab, var(--bg-elev) 68%, #000000 32%), color-mix(in oklab, var(--bg-elev) 55%, var(--accent) 45%));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0;
  line-height: 1;
  backdrop-filter: blur(12px);
  box-shadow: 0 12px 26px rgba(0,0,0,.4), inset 0 1px 0 rgba(255,255,255,.08);
  transition: transform .18s ease, box-shadow .25s ease, background .25s ease, color .2s ease;
  z-index: 3;
  overflow: hidden;
}
.carousel-btn.prev { left: 1.25rem; }
.carousel-btn.next { right: 1.25rem; }
.carousel-btn:hover {
  transform: scale(1.08);
  background: linear-gradient(150deg, color-mix(in oklab, var(--bg-elev) 45%, var(--accent) 55%), color-mix(in oklab, var(--accent) 80%, #ffffff 20%));
  box-shadow: 0 18px 35px rgba(0,0,0,.45), 0 0 18px color-mix(in oklab, var(--accent) 45%, transparent 55%);
  color: #0b1624;
}
.carousel-btn::after {
  content: '';
  position: absolute;
  inset: 1px;
  border-radius: inherit;
  border: 1px solid color-mix(in oklab, var(--accent) 60%, transparent 40%);
  opacity: 0;
  transform: scale(.82);
  transition: opacity .25s ease, transform .25s ease;
}
.carousel-btn:hover::after {
  opacity: 1;
  transform: scale(.94);
}
.carousel-btn:focus-visible {
  outline: 2px solid color-mix(in oklab, var(--accent) 75%, #ffffff 25%);
  outline-offset: 3px;
  box-shadow: 0 12px 26px rgba(0,0,0,.4), inset 0 1px 0 rgba(255,255,255,.08), 0 0 0 4px color-mix(in oklab, var(--accent) 40%, transparent 60%);
}
.carousel-btn:active {
  transform: scale(.95);
}
.carousel-btn-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  font-size: 1.5rem;
  line-height: 1;
  color: inherit;
  text-shadow: 0 0 12px color-mix(in oklab, var(--accent) 50%, transparent 50%);
}
.carousel-dots { position: absolute; left: 50%; bottom: 1rem; transform: translateX(-50%); display: flex; gap: .6rem; }
.carousel-dot { width: 8px; height: 8px; border-radius: 999px; background: var(--border); box-shadow: 0 0 0 2px rgba(0,0,0,.15); opacity: .8; transition: transform .15s ease, background .2s ease; }
.carousel-dot.active { background: var(--accent); transform: scale(1.2); opacity: 1; }

@media (max-width: 720px) {
  .project-carousel { padding-bottom: 5rem; }
  .carousel-btn { width: 44px; height: 44px; bottom: 1.3rem; }
  .carousel-btn.prev { left: .9rem; }
  .carousel-btn.next { right: .9rem; }
}

/* Divider between project sections */
.project-divider { margin: 2rem 0; height: 2px; background: linear-gradient(90deg, var(--accent), var(--accent-2)); border-radius: 2px; opacity: .8; }

/* Modal */
.modal { position: fixed; inset: 0; display: none; z-index: 70; }
.modal.open { display: grid; place-items: center; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,.6); backdrop-filter: blur(4px); }
.modal-content { position: relative; width: min(900px, 92vw); max-height: min(900px, 90vh); border-radius: var(--radius); border: 1px solid var(--border); background: var(--bg); box-shadow: var(--shadow); overflow: auto; }
.modal-close { position: absolute; right: .5rem; top: .5rem; border: 1px solid var(--border); background: var(--card); color: var(--text); border-radius: 8px; width: 32px; height: 32px; z-index: 1; font-size: 0; }
.modal-close::before { content: '\00D7'; font-size: 18px; line-height: 32px; display: inline-block; }
.modal-body { display: grid; gap: 1rem; padding: 1rem 2.75rem 1rem 1rem; }
.modal-media { aspect-ratio: 16/9; background: #0b0d12; border-radius: 8px; overflow: hidden; }
.modal-info { display: grid; gap: .5rem; }
.masonry { column-count: 2; column-gap: .75rem; }
.masonry > * { break-inside: avoid; margin-bottom: .75rem; }

/* Project details (modal) */
.project-header { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: .5rem .75rem; padding-bottom: .25rem; border-bottom: 1px solid var(--border); padding-right: 2.75rem; }
.project-header h3 { font-size: 1.25rem; margin: 0; min-width: 0; overflow-wrap: anywhere; }
.pd-badges { display: flex; flex-wrap: wrap; gap: .35rem; }
.project-header h3 { flex: 1 1 220px; }
.pd-badges { flex: 1 1 260px; justify-content: flex-end; }
.pd-chip { display: inline-flex; align-items: center; gap: .35rem; padding: .25rem .5rem; border-radius: 999px; border: 1px solid var(--border); background: color-mix(in oklab, var(--card), #000 6%); color: var(--muted); font-size: .85rem; }
.pd-chip i { font-size: 1rem; line-height: 1; }
.pd-chip img { width: 1rem; height: 1rem; display: inline-block; vertical-align: -2px; }
.project-details { display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); gap: 1rem; align-items: start; }
.pd-media { aspect-ratio: 16/9; background: #0b0d12; border-radius: 10px; overflow: hidden; border: 1px solid var(--border); }
.pd-media img, .pd-media video { width: 100%; height: 100%; object-fit: cover; }
.pd-media iframe { width: 100%; height: 100%; border: 0; display: block; }
.pd-media .yt-preview { border-radius: 10px; }
.pd-info { display: grid; gap: .75rem; min-width: 0; }
.pd-section { border: 1px solid var(--border); border-radius: 10px; background: linear-gradient(180deg, var(--bg-elev), var(--card)); padding: .75rem; overflow: hidden; }
.pd-section, .pd-section p, .pd-section li { overflow-wrap: anywhere; word-break: break-word; }
.pd-section h4 { margin: 0 0 .35rem 0; font-size: 1rem; color: var(--muted); }
.pd-list { margin: 0; padding-left: 1rem; display: grid; gap: .25rem; }
.pd-actions { display: flex; gap: .5rem; flex-wrap: wrap; }

/* Extra details (e.g., pitch deck) */
.pd-extra details { cursor: pointer; }
.pd-extra summary { color: var(--accent); margin-bottom: .25rem; }

@media (max-width: 860px) {
  .project-details { grid-template-columns: 1fr; }
}

/* Responsive card height tuning */
@media (max-width: 520px) {
  :root { --card-min-h: 320px; }
}

/* About */
.about-grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.about-card { position: relative; border: 1px solid var(--border); border-radius: var(--radius); background: linear-gradient(180deg, var(--bg-elev), var(--card)); padding: 1rem; display: grid; gap: .6rem; box-shadow: var(--shadow); overflow: hidden; transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease, opacity .6s ease; will-change: transform, opacity; }

.about-card::before { content: ""; position: absolute; inset: 0 auto auto 0; height: 3px; width: 100%; background: linear-gradient(90deg, var(--accent), var(--accent-2)); opacity: .9; }
.about-card:hover { transform: translateY(-2px); box-shadow: 0 12px 24px rgba(0,0,0,.45); border-color: var(--accent); }

/* About media visuals */
.about-media { display: grid; place-items: center; }
.about-photo, .about-logo { display: block; border-radius: 12px; border: 1px solid var(--border); box-shadow: 0 6px 16px rgba(0,0,0,.25); }
.about-photo { width: 100%; max-width: 160px; aspect-ratio: 1/1; object-fit: cover; }
.about-logo { width: auto; max-width: 120px; background: #fff; padding: .15rem .3rem; border-radius: 8px; box-shadow: 0 4px 12px rgba(0,0,0,.25); }
.about-card h3 { display: flex; align-items: center; gap: .5rem; font-size: 1.1rem; }
.about-card .heading-icon { transition: transform .4s ease; }
.about-card:hover .heading-icon { transform: rotate(-5deg) scale(1.15); }
.about-card.reveal { opacity: 0; transform: translateY(20px); }
.about-card.reveal.visible { opacity: 1; transform: translateY(0); }

.education-card { gap: 1rem; }
.education-header { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 1rem; align-items: center; }
.education-header.logo-above { grid-template-columns: 1fr; text-align: center; }
.education-summary { display: grid; gap: .5rem; }
.education-summary p { margin: 0; }
.education-summary .education-logo { display: grid; place-items: center; }
.education-summary .education-logo .about-logo { max-width: 180px; margin: 0 auto .35rem; }
.education-intro { color: var(--muted); font-size: .95rem; }
.edu-meta { list-style: none; display: flex; flex-wrap: wrap; gap: .4rem; margin: 0; padding: 0; }
.edu-chip { font-size: .75rem; letter-spacing: .05em; text-transform: uppercase; padding: .25rem .45rem; border-radius: 999px; border: 1px solid var(--border); background: color-mix(in oklab, var(--card), #000 4%); color: var(--muted); }
.education-body { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.edu-column h4 { margin: 0 0 .35rem 0; font-size: .95rem; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.edu-list { margin: 0; padding-left: 1.1rem; display: grid; gap: .35rem; font-size: .92rem; color: var(--text); }
.education-progress { display: grid; gap: .6rem; padding: .75rem; border: 1px solid var(--border); border-radius: 10px; background: linear-gradient(180deg, color-mix(in oklab, var(--card), #000 6%), var(--card)); }
.progress-step { position: relative; padding-left: 1.6rem; display: grid; gap: .15rem; }
.progress-step::before { content: ''; position: absolute; left: 0; top: .35rem; width: .7rem; height: .7rem; border-radius: 50%; border: 2px solid var(--border); background: transparent; box-shadow: none; }
.progress-step.complete::before { background: var(--accent); border-color: var(--accent); }
.progress-step.current::before { background: var(--accent-2); border-color: var(--accent-2); box-shadow: 0 0 0 4px rgba(65, 207, 255, 0.15); }
.progress-step.upcoming::before { opacity: .6; }
.progress-step .step-label { font-weight: 600; font-size: .9rem; color: var(--text); }
.progress-step .step-note { font-size: .85rem; color: var(--muted); }
@media (max-width: 640px) {
  .education-header { grid-template-columns: 1fr; text-align: center; }
  .education-summary { align-items: center; }
  .education-body { grid-template-columns: 1fr; }
  .education-progress { padding: .65rem; }
}
.profile-card { gap: 1rem; }
.profile-header { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 1rem; align-items: center; }
.profile-summary { display: grid; gap: .5rem; }
.profile-summary p { margin: 0; color: var(--muted); }
.profile-tags { display: flex; flex-wrap: wrap; gap: .35rem; }
.profile-chip { font-size: .75rem; text-transform: uppercase; letter-spacing: .05em; padding: .25rem .6rem; border-radius: 999px; border: 1px solid color-mix(in oklab, var(--accent), #000 35%); background: color-mix(in oklab, var(--card), var(--accent) 12%); color: var(--text); box-shadow: 0 2px 6px rgba(0,0,0,.25); }
.profile-grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.profile-column h4 { margin: 0 0 .35rem 0; font-size: .95rem; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.profile-list { margin: 0; padding-left: 1.1rem; display: grid; gap: .3rem; font-size: .92rem; color: var(--text); }
.profile-callout { border: 1px dashed color-mix(in oklab, var(--accent), #000 25%); border-radius: 10px; padding: .65rem .75rem; background: color-mix(in oklab, var(--card), var(--accent) 10%); color: var(--text); font-size: .9rem; }
.profile-callout strong { color: var(--accent); }

.skills-card { gap: 1rem; }
.skills-summary { display: grid; gap: .5rem; }
.skills-summary p { margin: 0; color: var(--muted); }
.skills-tags { display: flex; flex-wrap: wrap; gap: .35rem; }
.skill-chip { font-size: .8rem; border-radius: 999px; padding: .3rem .7rem; border: 1px solid var(--border); background: color-mix(in oklab, var(--card), #000 6%); color: var(--text); box-shadow: 0 2px 4px rgba(0,0,0,.25); }
.skills-grid { display: grid; gap: .75rem; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
.skill-panel { border: 1px solid var(--border); border-radius: 10px; padding: .75rem; background: linear-gradient(180deg, color-mix(in oklab, var(--card), #000 8%), var(--card)); display: grid; gap: .35rem; }
.skill-panel h4 { margin: 0; font-size: .95rem; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.skill-pill-list { list-style: none; margin: 0; padding: 0; display: grid; gap: .3rem; font-size: .9rem; color: var(--text); }
.skill-pill-list li { padding: .25rem .35rem; border-radius: 8px; background: color-mix(in oklab, var(--card), #000 5%); border: 1px solid color-mix(in oklab, var(--border), #000 10%); }

@media (max-width: 640px) {
  .profile-header { grid-template-columns: 1fr; text-align: center; }
  .profile-summary { align-items: center; }
  .profile-tags { justify-content: center; }
  .profile-grid { grid-template-columns: 1fr; }
  .skills-summary { text-align: center; }
  .skills-tags { justify-content: center; }
}
.heading-icon { width: 1.1em; height: 1.1em; color: var(--accent); }
.skills { display: grid; gap: .5rem; }
.skill { display: grid; gap: .25rem; }
.bar { height: 10px; background: color-mix(in oklab, var(--card), #000 10%); border-radius: 999px; border: 1px solid var(--border); overflow: hidden; }
.bar > span { display: block; height: 100%; width: var(--val); background: linear-gradient(90deg, var(--accent), var(--accent-2)); }
.skill-tags { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: .5rem; }
.tag { font-size: .8rem; border: 1px solid var(--border); border-radius: 6px; padding: .2rem .4rem; background: color-mix(in oklab, var(--card), #000 5%); }

/* Tight stacks for close text spacing */
.tight { display: grid; gap: .3rem; }

/* 3-tier skill levels */
.skills-compact { margin-top: .75rem; }
.skills-compact h4 { margin-bottom: .4rem; font-size: .95rem; color: var(--muted); }
.level-list { list-style: none; display: grid; gap: .35rem; padding: 0; margin: 0; }
.level { display: flex; align-items: center; justify-content: space-between; gap: .75rem; padding: .25rem .35rem; border-radius: 8px; border: 1px dashed transparent; }
.level:hover { border-color: var(--border); }
.level .label { color: var(--text); }
.dots { display: inline-flex; gap: .25rem; }
.dots i { display: inline-block; width: .7rem; height: .7rem; border-radius: 999px; background: color-mix(in oklab, var(--card), #000 12%); outline: 1px solid var(--border); box-shadow: inset 0 0 0 1px rgba(0,0,0,.15); }
.level[data-level="1"] .dots i:nth-child(-n+1),
.level[data-level="2"] .dots i:nth-child(-n+2),
.level[data-level="3"] .dots i:nth-child(-n+3) { background: linear-gradient(90deg, var(--accent), var(--accent-2)); outline-color: transparent; }

/* Cog gadget */
.gadget { position: relative; }
.cog-box { position: relative; height: 90px; background: linear-gradient(180deg, var(--bg-elev), var(--card)); border: 1px solid var(--border); border-radius: 10px; overflow: hidden; display: grid; place-items: center; margin-bottom: .5rem; }
.cog { position: absolute; border-radius: 50%; border: 6px solid color-mix(in oklab, var(--accent-2), #000 40%); border-top-color: transparent; animation: spin 8s linear infinite; }
.cog.big { width: 70px; height: 70px; }
.cog.small { width: 35px; height: 35px; top: 50%; left: 55%; animation-duration: 4s; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Contact */
.contact-grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.contact-card { border: 1px solid var(--border); border-radius: var(--radius); background: var(--card); padding: 1rem; display: grid; gap: .5rem; }

/* Footer */
.site-footer { max-width: 1100px; margin: 0 auto; padding: 2rem 1rem; display: flex; align-items: center; justify-content: space-between; color: var(--muted); }

/* Privacy/Cookie */
.cookie-banner { position: fixed; left: 50%; transform: translateX(-50%); bottom: calc(12px + var(--safe-bottom)); background: var(--bg); border: 1px solid var(--border); border-radius: 12px; padding: .75rem 1rem; display: none; gap: .75rem; align-items: center; z-index: 80; box-shadow: var(--shadow); }
.cookie-banner .actions { display: flex; gap: .5rem; }
.cookie-banner.show { display: flex; }
.small { font-size: .88rem; color: var(--muted); }

/* Responsive */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; }
  .hero-media, .hero-content { grid-column: 1 / -1; }
}
@media (max-width: 720px) {
  .nav-links { display: none; }
  .nav-toggle { display: inline-block; }
}

/* Always show the side menu button (desktop too) */
.nav-toggle { display: inline-block; }

/* Larger tap target for the menu button */
.nav-toggle { width: 40px; height: 40px; }

/* Robust scroll lock for mobile when overlays are open */
body.no-scroll { position: fixed; overflow: hidden; width: 100%; top: var(--scroll-lock-top, 0px); touch-action: none; overscroll-behavior: contain; }

/* Section anchor offsets to avoid sticky header overlap */
#home, #projects, #about, #contact { scroll-margin-top: 72px; }