:root {
  --bg: #f7f4ee;
  --bg-alt: #efe9df;
  --ink: #1b1d1f;
  --muted: #5d6166;
  --line: #ddd5c8;
  --accent: #0f5c5d;
  --accent-ink: #ffffff;
  --card: #fffdf9;
  --serif: "Fraunces", Georgia, serif;
  --sans: "Inter", system-ui, -apple-system, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121414;
    --bg-alt: #181b1b;
    --ink: #ece8e1;
    --muted: #9aa09f;
    --line: #2b302f;
    --accent: #5fb8b0;
    --accent-ink: #0d1414;
    --card: #1c2020;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 17px/1.65 var(--sans);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); }
.wrap { max-width: 1040px; margin: 0 auto; padding: 0 24px; }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; justify-content: space-between; align-items: center; height: 60px; }
.logo { font: 600 18px var(--serif); color: var(--ink); text-decoration: none; }
.nav nav a { color: var(--muted); text-decoration: none; margin-left: 24px; font-size: 15px; }
.nav nav a:hover { color: var(--ink); }

/* Type */
h1, h2, h3 { font-family: var(--serif); font-weight: 600; line-height: 1.15; margin: 0; }
h1 { font-size: clamp(34px, 5.4vw, 58px); letter-spacing: -0.02em; max-width: 18ch; }
h2 { font-size: clamp(28px, 3.6vw, 40px); letter-spacing: -0.01em; margin-bottom: 16px; }
h3 { font-size: 21px; margin-bottom: 8px; }
.eyebrow {
  font-size: 13px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--accent); margin: 0 0 16px;
}
.lede { font-size: 19px; color: var(--muted); max-width: 62ch; margin: 28px 0 0; }
.section-lede { color: var(--muted); max-width: 64ch; margin: 0 0 40px; }
.body { margin: 0; color: var(--muted); }

/* Hero */
.hero { padding: 96px 24px 72px; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.btn {
  display: inline-block; padding: 12px 20px; border-radius: 999px;
  border: 1px solid var(--line); color: var(--ink); text-decoration: none;
  font-weight: 500; font-size: 15px; transition: border-color .2s, transform .2s;
}
.btn:hover { border-color: var(--ink); transform: translateY(-1px); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.stats {
  list-style: none; padding: 0; margin: 64px 0 0;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
  border-top: 1px solid var(--line); padding-top: 28px;
}
.stats li { font-size: 14px; color: var(--muted); }
.stats span { display: block; font: 600 26px var(--serif); color: var(--ink); margin-bottom: 4px; }

/* Sections */
.section { padding: 88px 0; border-top: 1px solid var(--line); }
.section.alt { background: var(--bg-alt); }

/* Timeline */
.timeline { list-style: none; padding: 0; margin: 0; }
.timeline li {
  display: grid; grid-template-columns: 140px 1fr; gap: 24px;
  padding: 24px 0; border-top: 1px solid var(--line);
}
.timeline .when { color: var(--muted); font-size: 14px; padding-top: 4px; }
.timeline p { margin: 0; color: var(--muted); max-width: 70ch; }

/* Cards */
.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 16px;
  padding: 28px; transition: transform .2s, box-shadow .2s;
}
.card:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(0,0,0,.06); }
.card.feature { grid-column: 1 / -1; }
.card p { margin: 0 0 12px; color: var(--muted); }
.card .result { color: var(--ink); font-weight: 500; margin: 0; border-left: 3px solid var(--accent); padding-left: 12px; }
.tag {
  display: inline-block; font-size: 12px; font-weight: 600; letter-spacing: .04em;
  color: var(--accent); background: color-mix(in srgb, var(--accent) 12%, transparent);
  padding: 4px 10px; border-radius: 999px; margin-bottom: 14px;
}

/* Two-column */
.two-col { display: grid; grid-template-columns: 1fr 1.6fr; gap: 48px; }
.list { margin: 0; padding: 0; list-style: none; }
.list li { padding: 14px 0; border-top: 1px solid var(--line); color: var(--muted); }
.list li:first-child { border-top: 0; padding-top: 0; }
.list strong { color: var(--ink); }
.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 24px; }
.gallery img { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: 12px; }

/* Contact / footer */
.contact { text-align: left; }
.footer { padding: 32px 24px 48px; color: var(--muted); font-size: 14px; }

/* Mobile */
@media (max-width: 760px) {
  body { font-size: 16px; }
  .wrap { padding: 0 16px; }
  .hero { padding: 56px 16px 48px; }
  .nav nav a { margin-left: 14px; font-size: 14px; }
  .nav nav a:nth-child(3) { display: none; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .timeline li { grid-template-columns: 1fr; gap: 4px; }
  .cards, .two-col { grid-template-columns: 1fr; gap: 20px; }
  .section { padding: 64px 0; }
  .footer { padding: 24px 16px 40px; }
}

/* Imaging gallery */
.imaging {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 28px 20px; padding-bottom: 88px; align-items: start;
}
.shot { margin: 0; }
.shot.big { grid-column: 1 / -1; }
.shot img {
  width: 100%; height: auto; display: block; border-radius: 12px;
  background: #050807; box-shadow: 0 10px 30px rgba(0,0,0,.12);
}
.shot figcaption { font-size: 14px; color: var(--muted); padding-top: 10px; line-height: 1.5; }
.shot.big figcaption { font-size: 15px; max-width: 80ch; }
.shot figcaption strong { color: var(--ink); }
.shot .credit { display: block; font-size: 12px; opacity: .85; margin-top: 4px; }
.shot .credit a { color: inherit; }
@media (max-width: 760px) {
  .imaging { grid-template-columns: 1fr; padding-bottom: 56px; }
}

/* Demo links + project pages */
.demo-link {
  display: inline-block; margin-top: 16px; font-weight: 600; font-size: 15px;
  text-decoration: none;
}
.demo-link:hover span { margin-left: 4px; }
.demo-link span { transition: margin .2s; }
.project { padding-top: 64px; padding-bottom: 80px; max-width: 880px; }
.project h1 { max-width: none; margin-bottom: 32px; }
.video-frame video, .video-soon {
  width: 100%; aspect-ratio: 16 / 9; border-radius: 14px; background: #050807; display: block;
}
.video-soon {
  display: flex; align-items: center; justify-content: center; color: #7fe3c8;
  font-size: 14px; letter-spacing: .08em; text-transform: uppercase;
  background: radial-gradient(circle at 50% 50%, rgba(60,220,170,.25), transparent 50%), #050807;
}
.video-soon[hidden], .video-frame video[hidden] { display: none; }
.project-body { margin-top: 32px; font-size: 18px; color: var(--muted); }
.project-body .result { color: var(--ink); font-weight: 500; border-left: 3px solid var(--accent); padding-left: 14px; }

/* Hero banner */
.hero-banner {
  position: relative; display: grid; align-items: center;
  grid-template-columns: 44fr 32fr 24fr;
  height: clamp(400px, 25vw, 640px); overflow: hidden;
  background: #000 url("images/hero-banner.jpg") center / cover no-repeat;
  color: #f4f1ea;
}
.hero-banner-text { grid-column: 2; position: relative; z-index: 1; min-width: 0; max-width: 440px; padding-right: 8px; }
.hero-banner .eyebrow { color: #8ff0c0; font-size: 12px; }
.hero-banner h1 {
  max-width: none; color: #fff; font-size: clamp(28px, 2.9vw, 50px);
  text-shadow: 0 2px 24px rgba(0,0,0,.6);
}
.hero { padding-top: 56px; }
.hero .lede { margin-top: 0; }

@media (max-width: 1000px) {
  .hero-banner {
    display: block; height: auto; min-height: 0; padding-top: 220px;
    background: #000 url("images/hero-banner.jpg") -40px top / auto 270px no-repeat;
  }
  .hero-banner::before {
    content: ""; position: absolute; inset: 0;
    background: linear-gradient(to bottom, rgba(0,0,0,0) 140px, rgba(0,0,0,.85) 235px, #000 270px);
  }
  .hero-banner-text { padding: 0 16px 36px; max-width: none; }
  .hero-banner h1 { font-size: 32px; }
  .hero { padding-top: 36px; }
}

/* Research: speaker band */
.research { border-top: 1px solid var(--line); }
.speaker-band {
  position: relative; display: flex; align-items: center;
  min-height: clamp(440px, 40vw, 640px);
  background: #26282a url("images/speaking-band.jpg") right top / cover no-repeat;
  color: #f4f1ea;
}
.speaker-band .wrap { width: 100%; }
.speaker-text { max-width: 500px; padding: 64px 0; }
.speaker-band .eyebrow { color: #8ff0c0; font-size: 12px; }
.speaker-event { margin: 0 0 10px; font-size: 15px; font-weight: 600; color: #fff; }
.speaker-band h2 { color: #fff; font-size: clamp(30px, 3.2vw, 48px); margin: 0; }
.speaker-sub { margin: 0; color: rgba(244,241,234,.8); font-size: 17px; }
.speaker-also {
  margin: 0; padding-top: 18px; border-top: 1px solid rgba(255,255,255,.18);
  font-size: 14px; color: rgba(244,241,234,.75);
}
.speaker-also span {
  font-size: 11px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase;
  color: #8ff0c0; margin-right: 8px;
}

/* Research: body */
.research-body { padding-top: 72px; padding-bottom: 88px; }
.metrics {
  list-style: none; margin: 0 0 48px; padding: 0;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
}
.metrics li {
  background: var(--card); border: 1px solid var(--line); border-radius: 14px;
  padding: 20px 22px; font-size: 14px; color: var(--muted);
}
.metrics span { display: block; font: 600 34px/1.1 var(--serif); color: var(--ink); margin-bottom: 4px; }
.research-grid { display: grid; grid-template-columns: 1.6fr 1fr; gap: 20px; align-items: start; }
.paper {
  background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 32px;
}
.paper h3 { font-size: 26px; margin-bottom: 6px; }
.paper p { color: var(--muted); margin: 0 0 14px; }
.paper .paper-cite { color: var(--ink); margin-bottom: 18px; }
.paper .paper-press { margin: 0; font-size: 14px; padding-top: 14px; border-top: 1px solid var(--line); }
.paper-label {
  font-size: 12px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase;
  color: var(--accent); margin: 0 0 12px;
}
.research-side { display: flex; flex-direction: column; gap: 20px; align-items: flex-start; }
.side-block { padding: 8px 4px 0; }
.side-block p { margin: 0 0 14px; color: var(--ink); font-size: 15px; line-height: 1.55; }
.side-block .paper-label { color: var(--accent); }
.muted { color: var(--muted); }

@media (max-width: 900px) {
  .speaker-band {
    display: block; min-height: 0; padding-top: 300px;
    background: #26282a url("images/speaking-band.jpg") 88% top / auto 380px no-repeat;
  }
  .speaker-band::before {
    content: ""; position: absolute; inset: 0;
    background: linear-gradient(to bottom, rgba(38,40,42,0) 200px, rgba(38,40,42,.85) 330px, #26282a 380px);
  }
  .speaker-band .wrap { position: relative; z-index: 1; }
  .speaker-text { padding: 0 0 40px; }
  .metrics { grid-template-columns: repeat(2, 1fr); }
  .research-grid { grid-template-columns: 1fr; }
  .research-body { padding-top: 48px; padding-bottom: 64px; }
}

/* Very narrow phones: keep the top bar on one line */
@media (max-width: 380px) {
  .logo { font-size: 16px; }
  .nav nav a { margin-left: 10px; font-size: 13px; }
}

/* Figures inside Work */
.work-figs { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 48px; }
.imaging { grid-template-columns: 1fr; }
@media (max-width: 760px) { .work-figs { grid-template-columns: 1fr; } }