:root {
  color-scheme: dark;
  --bg: #080908;
  --text: #f2f0eb;
  --muted: #989a96;
  --soft: #d3d1cb;
  --line: rgba(255, 255, 255, .17);
  --electric: #ef4d18;
  --signal: #f1ae00;
  --pad: clamp(1.15rem, 3vw, 2.75rem);
  --header: 72px;
}

* { box-sizing: border-box; }

html {
  min-width: 320px;
  scroll-behavior: smooth;
  background: var(--bg);
}

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration: none; }
img, video { display: block; width: 100%; max-width: 100%; height: auto; }
figure { margin: 0; }
button { font: inherit; }

.skip-link {
  position: fixed;
  z-index: 100;
  top: .75rem;
  left: .75rem;
  padding: .7rem 1rem;
  background: #fff;
  color: #000;
  transform: translateY(-180%);
}

.skip-link:focus { transform: translateY(0); }

.site-header {
  position: sticky;
  z-index: 30;
  top: 0;
  display: flex;
  min-height: var(--header);
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0 var(--pad);
  border-bottom: 1px solid var(--line);
  background: rgba(8, 9, 8, .87);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
}

.brand { display: inline-flex; align-items: center; }
.brand-mark { display: block; width: 56px; height: 56px; flex: 0 0 auto; }

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(1.25rem, 3vw, 2.75rem);
  color: var(--muted);
  font-size: .86rem;
}

.site-nav a { transition: color .25s ease; }
.site-nav a:hover,
.site-nav a:focus-visible,
.site-nav a[aria-current="page"] { color: var(--text); }

.menu-toggle {
  display: none;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--text);
  cursor: pointer;
}

.project-hero {
  display: grid;
  min-height: calc(86svh - var(--header));
  align-content: space-between;
  padding: clamp(3.5rem, 7vw, 6.5rem) var(--pad) clamp(2.5rem, 5vw, 4.5rem);
}

.project-index,
.section-label,
.image-caption,
.meta-list dt,
.credits dt {
  margin: 0;
  color: var(--muted);
  font-size: .72rem;
  line-height: 1.45;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.project-title {
  margin: clamp(5rem, 10vw, 9rem) 0 0;
  font-size: clamp(4.4rem, 11.8vw, 11.7rem);
  font-weight: 500;
  line-height: .81;
  letter-spacing: -.075em;
}

.project-title span { display: block; }
.project-title .title-secondary {
  margin-left: 22%;
  color: var(--electric);
  font-size: .54em;
  letter-spacing: -.065em;
}

.hero-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
  margin-top: clamp(5rem, 10vw, 9rem);
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: .78rem;
  line-height: 1.5;
}

.hero-meta span:nth-child(2) { text-align: center; }
.hero-meta span:last-child { text-align: right; }

.hero-panorama {
  min-width: 0;
  padding: clamp(3rem, 8vw, 8rem) var(--pad);
  border-block: 1px solid var(--line);
  background: #030403;
}

.overview {
  display: grid;
  grid-template-columns: minmax(13rem, .72fr) minmax(0, 1.28fr);
  gap: clamp(4rem, 11vw, 13rem);
  padding: clamp(7rem, 12vw, 13rem) var(--pad);
  border-bottom: 1px solid var(--line);
}

.meta-list {
  display: grid;
  align-content: start;
  gap: 1.7rem;
  margin: 0;
}

.meta-list div { padding-top: .85rem; border-top: 1px solid var(--line); }
.meta-list dd {
  margin: .42rem 0 0;
  color: var(--soft);
  font-size: .88rem;
  line-height: 1.5;
}

.overview-copy > p {
  max-width: 30ch;
  margin: 0;
  color: var(--soft);
  font-size: clamp(2rem, 4.4vw, 5rem);
  line-height: .99;
  letter-spacing: -.052em;
}

.overview-detail {
  display: grid;
  max-width: 58rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem clamp(1.5rem, 3vw, 3.5rem);
  margin-top: 3.5rem;
}

.overview-detail p,
.section-copy p {
  margin: 0;
  color: var(--muted);
  font-size: clamp(.98rem, 1.25vw, 1.14rem);
  line-height: 1.55;
  letter-spacing: -.015em;
}

.phase {
  padding: clamp(8rem, 14vw, 15rem) var(--pad);
  border-bottom: 1px solid var(--line);
}

.phase-head {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(18rem, .8fr);
  gap: clamp(3rem, 9vw, 10rem);
  align-items: end;
  margin-bottom: clamp(4rem, 8vw, 8rem);
}

.phase-head h2,
.result-section h2,
.credits-section h2 {
  max-width: 12ch;
  margin: .8rem 0 0;
  font-size: clamp(3rem, 6.8vw, 7.2rem);
  font-weight: 500;
  line-height: .9;
  letter-spacing: -.06em;
}

.section-copy,
.result-copy {
  display: grid;
  gap: 1.15rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.panorama-sequence {
  display: grid;
  min-width: 0;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(4.5rem, 9vw, 10rem);
}

.panorama-frame { width: 100%; min-width: 0; max-width: 100%; }
.panorama-frame--inset { width: 86%; }
.panorama-frame--right { width: 88%; margin-left: auto; }
.panorama-frame--narrow { width: 76%; margin-inline: auto; }

.panorama-window {
  width: 100%;
  max-width: 100%;
  overflow: hidden;
  background: #030303;
}

.image-caption {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-top: .72rem;
}

.phase--interference { background: #0c0c0a; }
.phase--vehicle { background: #050605; }
.phase--vehicle .section-label { color: var(--signal); }

.result-section {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(18rem, .88fr);
  gap: clamp(3rem, 9vw, 10rem);
  align-items: end;
  padding: clamp(8rem, 14vw, 15rem) var(--pad);
  background: var(--electric);
  color: #080808;
}

.result-section .section-label,
.result-section .result-copy p { color: rgba(0, 0, 0, .62); }
.result-section .result-copy { border-color: rgba(0, 0, 0, .3); }

.result-copy p {
  margin: 0;
  font-size: clamp(1.05rem, 1.6vw, 1.35rem);
  line-height: 1.45;
  letter-spacing: -.018em;
}

.credits-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(20rem, 1fr);
  gap: clamp(4rem, 12vw, 14rem);
  padding: clamp(7rem, 12vw, 13rem) var(--pad);
  border-top: 1px solid var(--line);
}

.credits { display: grid; align-content: start; gap: 1.5rem; margin: 0; }
.credits div {
  display: grid;
  grid-template-columns: 8rem minmax(0, 1fr);
  gap: 1.5rem;
  padding-top: .85rem;
  border-top: 1px solid var(--line);
}

.credits dd {
  margin: 0;
  color: var(--soft);
  font-size: .92rem;
  line-height: 1.5;
}

.project-return {
  display: flex;
  min-height: 38svh;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: clamp(5rem, 9vw, 9rem) var(--pad);
  border-top: 1px solid var(--line);
}

.project-return span {
  color: var(--muted);
  font-size: .72rem;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.project-return strong {
  font-size: clamp(3rem, 8vw, 8.5rem);
  font-weight: 500;
  line-height: .9;
  letter-spacing: -.065em;
  transition: color .25s ease;
}

.project-return:hover strong,
.project-return:focus-visible strong { color: var(--electric); }

.site-footer {
  display: flex;
  min-height: 128px;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 2rem var(--pad);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: .74rem;
  line-height: 1.5;
}

.site-footer span:last-child { max-width: 42rem; text-align: right; }

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .85s ease, transform .85s cubic-bezier(.22, 1, .36, 1);
}

.reveal.is-visible { opacity: 1; transform: none; }

@media (max-width: 860px) {
  .menu-toggle { display: block; }
  .site-nav {
    position: fixed;
    z-index: 25;
    inset: var(--header) 0 auto;
    display: none;
    align-items: stretch;
    gap: 0;
    padding: .6rem var(--pad) 1rem;
    border-bottom: 1px solid var(--line);
    background: rgba(8, 9, 8, .98);
  }

  .site-nav.is-open { display: grid; }
  .site-nav a { padding: .95rem 0; border-bottom: 1px solid var(--line); font-size: 1rem; }

  .overview,
  .phase-head,
  .result-section,
  .credits-section { grid-template-columns: 1fr; }

  .phase-head,
  .result-section,
  .credits-section { gap: 3.5rem; }
  .overview-copy > p { max-width: 22ch; }
}

@media (max-width: 620px) {
  :root { --header: 64px; }
  .project-hero { min-height: calc(78svh - var(--header)); }
  .project-title { margin-top: 4.5rem; font-size: clamp(3.9rem, 19vw, 5.8rem); }
  .project-title .title-secondary { margin-left: 0; font-size: .49em; }
  .hero-meta { grid-template-columns: 1fr; gap: .5rem; }
  .hero-meta span:nth-child(2),
  .hero-meta span:last-child { text-align: left; }
  .overview-detail { grid-template-columns: 1fr; }

  .panorama-frame,
  .panorama-frame--inset,
  .panorama-frame--right,
  .panorama-frame--narrow { width: 100%; margin-inline: 0; }

  .panorama-window {
    overflow: visible;
  }

  .panorama-window img {
    width: 100%;
    max-width: 100%;
    height: auto;
  }

  .hero-panorama .panorama-window img { height: auto; }
  .credits div { grid-template-columns: 1fr; gap: .4rem; }
  .project-return { min-height: 30svh; align-items: flex-start; flex-direction: column; justify-content: center; }
  .site-footer { min-height: 160px; align-items: start; flex-direction: column; }
  .site-footer span:last-child { text-align: left; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01s !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01s !important;
  }
}