:root {
  color-scheme: dark;
  --bg: #0b0e12;
  --surface: #12171d;
  --surface-raised: #19212a;
  --line: rgba(225, 235, 241, .14);
  --text: #edf3f5;
  --muted: #a8b4ba;
  --accent: #ffb86b;
  --accent-cool: #8ac8df;
  --danger: #f3a6a6;
  --max: 1320px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: radial-gradient(circle at 80% -10%, rgba(138, 200, 223, .12), transparent 34rem), var(--bg);
  color: var(--text);
  line-height: 1.6;
}
a { color: inherit; }
.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  padding: .65rem .9rem;
  background: var(--accent);
  color: #21180e;
  z-index: 20;
}
.skip-link:focus { top: 1rem; }
.site-header, main, .site-footer { width: min(var(--max), calc(100% - 2.5rem)); margin-inline: auto; }
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 4.7rem;
  border-bottom: 1px solid var(--line);
}
.brand { display: inline-flex; align-items: center; gap: .7rem; text-decoration: none; font-weight: 700; letter-spacing: .01em; }
.brand-mark { display: grid; place-items: center; width: 2.1rem; height: 2.1rem; border: 1px solid var(--accent); border-radius: 50%; color: var(--accent); font-size: .72rem; letter-spacing: .04em; }
.nav-links { display: flex; gap: 1.5rem; color: var(--muted); font-size: .93rem; }
.nav-links a { text-decoration: none; }
.nav-links a:hover, .nav-links a:focus-visible, .contact-links a:hover, .contact-links a:focus-visible { color: var(--accent); }
.language-toggle, .filter-button {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--text);
  padding: .44rem .78rem;
  cursor: pointer;
  font: inherit;
}
.language-toggle:hover, .language-toggle:focus-visible, .filter-button:hover, .filter-button:focus-visible { border-color: var(--accent); color: var(--accent); }
.hero { display: grid; grid-template-columns: minmax(0, 1fr) 22rem; align-items: center; gap: 4rem; min-height: 31rem; padding: 5.5rem 0 5rem; }
.eyebrow { margin: 0 0 .85rem; color: var(--accent); font-size: .72rem; font-weight: 700; letter-spacing: .16em; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 11ch; margin-bottom: 1.35rem; font-size: clamp(3.3rem, 8vw, 6.6rem); line-height: .96; letter-spacing: -.065em; }
h2 { margin-bottom: 0; font-size: clamp(2rem, 4vw, 3.6rem); line-height: 1.04; letter-spacing: -.045em; }
.hero-lede { max-width: 38rem; color: var(--muted); font-size: 1.08rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .7rem; margin-top: 2rem; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 2.8rem; padding: .65rem 1rem; border-radius: 999px; text-decoration: none; font-weight: 700; }
.button-primary { background: var(--accent); color: #21180e; }
.button-primary:hover, .button-primary:focus-visible { background: #ffd19c; }
.button-quiet { border: 1px solid var(--line); color: var(--text); }
.hero-signal { position: relative; min-height: 18rem; display: grid; place-items: center; }
.signal-orbit { position: absolute; border: 1px solid rgba(138, 200, 223, .35); border-radius: 50%; transform: rotate(-18deg); }
.orbit-one { width: 16rem; height: 8rem; }
.orbit-two { width: 11rem; height: 15rem; border-color: rgba(255, 184, 107, .42); transform: rotate(46deg); }
.signal-core { display: grid; place-items: center; width: 6rem; height: 6rem; border-radius: 50%; background: var(--surface-raised); border: 1px solid var(--accent); color: var(--accent); font-size: 1.4rem; box-shadow: 0 0 0 1rem rgba(255, 184, 107, .04), 0 0 3rem rgba(255, 184, 107, .14); }
.hero-signal p { position: absolute; right: .5rem; bottom: .4rem; display: grid; gap: .15rem; margin: 0; color: var(--muted); font-size: .75rem; text-align: right; }
.hero-signal strong { color: var(--text); font-size: 1rem; }
.work-section, .about-section, .contact-section { border-top: 1px solid var(--line); padding: 5rem 0; }
.section-heading { display: block; }
.about-section, .contact-section { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; }
.section-note, .about-copy, .contact-copy { max-width: 30rem; color: var(--muted); }
.filter-row { display: flex; align-items: center; flex-wrap: wrap; gap: .55rem; margin: 2.2rem 0 1.25rem; }
.filter-button.is-active { background: var(--text); color: var(--bg); border-color: var(--text); }
.filter-status { color: var(--muted); font-size: .85rem; margin-left: .35rem; }
.project-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.project-card { display: grid; grid-template-rows: auto 1fr; overflow: hidden; background: linear-gradient(145deg, rgba(255,255,255,.04), rgba(255,255,255,.015)); border: 1px solid var(--line); border-radius: 1.1rem; }
.project-card:hover { border-color: rgba(255, 184, 107, .55); transform: translateY(-2px); transition: transform .24s ease, border-color .24s ease; }
.project-card[hidden] { display: none; }
.project-visual { position: relative; container-type: inline-size; aspect-ratio: 3 / 2; overflow: hidden; background: #172029; }
.project-visual.is-expanded { position: fixed; z-index: 50; inset: 1rem; width: auto; height: auto; aspect-ratio: auto; border: 1px solid var(--line); box-shadow: 0 1rem 4rem rgba(0,0,0,.55); }
.project-visual.is-expanded .project-video { height: 100%; }
.project-visual.is-expanded .video-controls,
.project-visual:fullscreen .video-controls { opacity: 0; pointer-events: none; transition: opacity .2s ease; }
.project-visual.is-expanded.controls-visible .video-controls,
.project-visual:fullscreen.controls-visible .video-controls { opacity: 1; pointer-events: auto; }
.project-visual img { display: block; width: 100%; height: 100%; object-fit: contain; background: #172029; }
.project-video { display: block; width: 100%; height: 100%; object-fit: contain; background: #172029; }
.video-controls { position: absolute; z-index: 2; left: .55rem; right: .55rem; bottom: .55rem; display: flex; align-items: center; gap: .45rem; min-height: 2.2rem; padding: .35rem .45rem; border: 1px solid rgba(255,255,255,.16); border-radius: .65rem; background: rgba(8, 10, 13, .82); color: var(--text); backdrop-filter: blur(12px); }
.video-control-button { display: grid; place-items: center; flex: 0 0 auto; width: 1.8rem; height: 1.8rem; padding: 0; border: 0; border-radius: .45rem; background: transparent; color: var(--text); cursor: pointer; font: inherit; }
.video-control-button:hover, .video-control-button:focus-visible { background: rgba(255,255,255,.14); color: var(--accent); }
.video-progress { flex: 1 1 auto; min-width: 4rem; accent-color: var(--accent); cursor: ew-resize; touch-action: none; }
.video-time { color: var(--muted); font-size: .68rem; white-space: nowrap; }
.video-volume-control { position: relative; display: inline-flex; flex: 0 0 auto; align-items: center; }
.video-volume { position: absolute; z-index: 4; left: 50%; bottom: calc(100% + .45rem); width: 2rem; height: 7rem; padding: .45rem .3rem; border: 1px solid rgba(255,255,255,.16); border-radius: .55rem; background: rgba(8, 10, 13, .92); box-shadow: 0 .45rem 1.25rem rgba(0,0,0,.32); accent-color: var(--accent); cursor: ns-resize; opacity: 0; pointer-events: none; transform: translate(-50%, .35rem); transition: opacity .16s ease, transform .16s ease; writing-mode: vertical-lr; direction: rtl; }
.video-volume-control:hover .video-volume, .video-volume-control:focus-within .video-volume { opacity: 1; pointer-events: auto; transform: translate(-50%, 0); }
.video-quality { flex: 0 0 auto; max-width: 4.6rem; padding: .25rem .3rem; border: 1px solid rgba(255,255,255,.16); border-radius: .4rem; background: rgba(255,255,255,.08); color: var(--text); color-scheme: dark; font: inherit; font-size: .68rem; cursor: pointer; }
.video-quality option { background: var(--surface-raised); color: var(--text); }
.video-quality:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.video-quality-status { flex: 0 0 auto; color: var(--muted); font-size: .64rem; white-space: nowrap; }
.media-badge { position: absolute; left: .7rem; bottom: .7rem; max-width: calc(100% - 1.4rem); padding: .28rem .5rem; border-radius: .45rem; background: rgba(8, 10, 13, .78); color: var(--accent); font-size: .72rem; }
.media-count { position: absolute; right: .7rem; top: .7rem; padding: .28rem .5rem; border-radius: .45rem; background: rgba(8, 10, 13, .72); color: var(--muted); font-size: .72rem; }
.project-body { display: flex; flex-direction: column; gap: 1rem; padding: 1.25rem; }
.project-meta { display: flex; justify-content: space-between; gap: 1rem; color: var(--muted); font-size: .78rem; }
.project-body h3 { margin-bottom: 0; font-size: 1.45rem; line-height: 1.1; letter-spacing: -.03em; }
.project-body p { margin-bottom: 0; color: var(--muted); }
.tag-row { display: flex; flex-wrap: wrap; gap: .35rem; }
.tag { padding: .24rem .5rem; border: 1px solid var(--line); border-radius: 999px; color: var(--accent-cool); font-size: .72rem; }
.project-details { border-top: 1px solid var(--line); padding-top: .95rem; }
.project-details summary { cursor: pointer; color: var(--text); font-weight: 700; }
.project-details p { margin: .8rem 0 0; font-size: .9rem; }
.exhibition-evidence { margin-top: 1rem; padding-top: .95rem; border-top: 1px solid var(--line); }
.exhibition-evidence h4, .exhibition-item h5 { margin: 0; color: var(--text); }
.exhibition-evidence h4 { font-size: .95rem; }
.exhibition-item { margin-top: .8rem; }
.exhibition-item h5 { font-size: .86rem; }
.exhibition-item p { margin-top: .35rem; }
.exhibition-gallery { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .45rem; margin-top: .65rem; }
.exhibition-gallery img { display: block; width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border: 1px solid var(--line); border-radius: .55rem; }
.preview-list { margin: .65rem 0 0; padding-left: 1.1rem; color: var(--muted); font-size: .82rem; }
.inline-preview-video { display: block; width: min(100%, 34rem); margin-top: .55rem; border-radius: .6rem; background: #172029; }
.inline-preview-video + .video-controls { position: static; margin-top: .4rem; }
.project-links { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: auto; padding-top: .3rem; }
.project-links a { color: var(--accent); font-size: .88rem; text-decoration: none; }
.project-links a:hover, .project-links a:focus-visible { text-decoration: underline; }
.profile-facts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; margin: 1.8rem 0 0; }
.profile-facts div { border-top: 1px solid var(--line); padding-top: .7rem; }
.profile-facts dt { color: var(--muted); font-size: .76rem; }
.profile-facts dd { margin: .2rem 0 0; color: var(--text); font-weight: 650; }
.academic-highlights { margin-top: 1.8rem; padding-top: 1rem; border-top: 1px solid var(--line); }
.academic-title { margin: 0 0 .45rem; color: var(--text); font-size: .78rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.academic-highlights ul { margin: 0; padding-left: 1.15rem; color: var(--muted); }
.academic-highlights li + li { margin-top: .35rem; }
.contact-links { display: flex; flex-wrap: wrap; gap: 1.1rem; margin-top: 1.4rem; }
.contact-item { display: inline-flex; align-items: baseline; gap: .35rem; }
.contact-label { color: var(--muted); }
.contact-links a { color: var(--accent); text-underline-offset: .25rem; }
.site-footer { display: flex; justify-content: space-between; gap: 1rem; padding: 1.6rem 0 2rem; color: var(--muted); font-size: .78rem; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
@container (max-width: 28rem) {
  .video-volume { height: 5.5rem; }
  .video-quality { max-width: 3.9rem; }
  .video-quality-status { display: none; }
  .video-progress { min-width: 0; }
}
@media (min-width: 1100px) {
  .project-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 900px) {
  .project-grid { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .site-header, main, .site-footer { width: min(var(--max), calc(100% - 1.4rem)); }
  .site-header { min-height: 4.2rem; }
  .brand-text { display: none; }
  .nav-links { gap: .9rem; font-size: .82rem; }
  .hero { grid-template-columns: 1fr; gap: 2.3rem; min-height: auto; padding: 4rem 0 3.5rem; }
  h1 { font-size: clamp(3rem, 17vw, 5rem); }
  .hero-signal { min-height: 13rem; }
  .orbit-one { width: 13rem; height: 6.5rem; }
  .orbit-two { width: 9rem; height: 12rem; }
  .about-section, .contact-section { grid-template-columns: 1fr; gap: 1rem; }
  .work-section, .about-section, .contact-section { padding: 3.5rem 0; }
  .project-grid { grid-template-columns: 1fr; }
  .exhibition-gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .video-volume { height: 5.5rem; }
  .site-footer { flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}