@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&family=DM+Mono:wght@300;400;500&display=swap');

:root {
  --bg:      oklch(0.07 0.012 255);
  --bg2:     oklch(0.10 0.012 255);
  --bg3:     oklch(0.13 0.012 255);
  --fg:      oklch(0.96 0.005 250);
  --fg-dim:  oklch(0.55 0.01 250);
  --fg-dimmer: oklch(0.35 0.01 250);
  --accent:  oklch(0.65 0.18 220);
  --accent2: oklch(0.65 0.18 160);
  --border:  oklch(0.18 0.01 255);
  --font-d:  'Space Grotesk', sans-serif;
  --font-m:  'DM Mono', monospace;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-d);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* CANVAS */
#bg-canvas {
  position: fixed; inset: 0; z-index: 0;
  opacity: 0.3; pointer-events: none;
}

/* NAV */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 60px; height: 72px;
  border-bottom: 1px solid transparent;
  transition: border-color .4s, background .4s, backdrop-filter .4s;
}
nav.scrolled {
  border-color: var(--border);
  background: oklch(0.07 0.012 255 / .88);
  backdrop-filter: blur(20px);
}
.nav-logo {
  font-size: 19px; font-weight: 700; letter-spacing: -.02em;
  color: var(--fg); text-decoration: none;
  display: flex; align-items: center; gap: 10px;
}
.nav-dot {
  width: 7px; height: 7px; background: var(--accent);
  border-radius: 50%; animation: pulse 2.5s ease-in-out infinite;
}
@keyframes pulse {
  0%,100% { opacity:1; transform:scale(1); }
  50%      { opacity:.35; transform:scale(.65); }
}
.nav-links { display: flex; gap: 36px; list-style: none; }
.nav-links a {
  color: var(--fg-dim); text-decoration: none;
  font-size: 14px; font-weight: 400; letter-spacing: .02em;
  transition: color .2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--fg); }
.nav-links a.active { color: var(--fg); }
.nav-cta {
  font-family: var(--font-m); font-size: 11px;
  color: var(--accent); text-decoration: none;
  border: 1px solid oklch(.65 .18 220 / .4);
  padding: 8px 20px; letter-spacing: .1em;
  transition: background .2s, border-color .2s;
}
.nav-cta:hover { background: oklch(.65 .18 220 / .1); border-color: var(--accent); }

/* PAGE SHELL */
.page { position: relative; z-index: 1; min-height: 100vh; padding-top: 72px; }

/* HERO BAND */
.page-hero {
  padding: 100px 60px 80px;
  border-bottom: 1px solid var(--border);
  max-width: 1200px; margin: 0 auto;
}
.page-hero-eyebrow {
  font-family: var(--font-m); font-size: 11px; letter-spacing: .2em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 24px;
  opacity: 0; transform: translateY(10px);
  animation: fadeUp .7s .1s forwards;
}
.page-hero h1 {
  font-size: clamp(40px,6vw,80px); font-weight: 700;
  letter-spacing: -.04em; line-height: .97;
  opacity: 0; transform: translateY(16px);
  animation: fadeUp .8s .25s forwards;
}
.page-hero p {
  margin-top: 36px; max-width: 520px;
  font-size: 17px; font-weight: 300; line-height: 1.72;
  color: var(--fg-dim);
  opacity: 0; transform: translateY(12px);
  animation: fadeUp .8s .45s forwards;
}

@keyframes fadeUp { to { opacity:1; transform:translateY(0); } }
@keyframes fadeIn  { to { opacity:1; } }

/* SECTION */
.section { border-bottom: 1px solid var(--border); }
.section-inner { max-width: 1200px; margin: 0 auto; padding: 100px 60px; }
.section-label {
  font-family: var(--font-m); font-size: 11px; letter-spacing: .2em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 20px;
}
.section-title {
  font-size: clamp(28px,3.5vw,52px); font-weight: 700;
  letter-spacing: -.03em; line-height: 1.05;
}

/* GRID CARDS */
.card-grid {
  margin-top: 64px; display: grid; gap: 1px;
  background: var(--border); border: 1px solid var(--border);
}
.card-grid.cols-3 { grid-template-columns: repeat(3,1fr); }
.card-grid.cols-2 { grid-template-columns: repeat(2,1fr); }
.card {
  background: var(--bg); padding: 48px 40px;
  transition: background .25s; cursor: default;
}
.card:hover { background: var(--bg2); }
.card-num {
  font-family: var(--font-m); font-size: 11px;
  color: var(--fg-dimmer); letter-spacing: .1em; margin-bottom: 28px;
}
.card-title { font-size: 20px; font-weight: 600; letter-spacing: -.02em; margin-bottom: 14px; line-height: 1.2; }
.card-body  { font-size: 14px; font-weight: 300; color: var(--fg-dim); line-height: 1.78; }
.card-tag {
  margin-top: 28px; display: inline-block;
  font-family: var(--font-m); font-size: 10px; letter-spacing: .12em;
  text-transform: uppercase; color: var(--accent2);
  border: 1px solid oklch(.65 .18 160 / .3); padding: 5px 12px;
}

/* ROW LIST */
.row-list { display: flex; flex-direction: column; gap: 1px; background: var(--border); border: 1px solid var(--border); }
.row-item {
  background: var(--bg); padding: 32px 40px;
  display: flex; justify-content: space-between; align-items: center; gap: 32px;
  transition: background .2s; text-decoration: none; color: inherit; cursor: pointer;
}
.row-item:hover { background: var(--bg2); }
.row-item-main {}
.row-item-title { font-size: 17px; font-weight: 500; letter-spacing: -.01em; margin-bottom: 6px; }
.row-item-meta  { font-family: var(--font-m); font-size: 11px; color: var(--fg-dimmer); letter-spacing: .07em; }
.row-item-tag {
  font-family: var(--font-m); font-size: 10px; letter-spacing: .1em;
  text-transform: uppercase; color: var(--accent);
  border: 1px solid oklch(.65 .18 220 / .3); padding: 6px 14px; white-space: nowrap; flex-shrink: 0;
}
.row-item-arrow { color: var(--fg-dimmer); font-size: 18px; flex-shrink: 0; transition: transform .2s, color .2s; }
.row-item:hover .row-item-arrow { transform: translateX(4px); color: var(--accent); }

/* BUTTONS */
.btn-primary {
  display: inline-block; background: var(--accent); color: var(--bg);
  text-decoration: none; font-weight: 600; font-size: 14px;
  letter-spacing: .02em; padding: 14px 32px;
  transition: opacity .2s, transform .2s;
}
.btn-primary:hover { opacity: .85; transform: translateY(-1px); }
.btn-outline {
  display: inline-block; color: var(--fg-dim);
  text-decoration: none; font-size: 14px; font-weight: 400;
  border: 1px solid var(--border); padding: 13px 28px;
  transition: border-color .2s, color .2s;
}
.btn-outline:hover { border-color: var(--fg-dim); color: var(--fg); }
.btn-link {
  font-family: var(--font-m); font-size: 12px; color: var(--accent);
  text-decoration: none; letter-spacing: .08em;
  display: inline-flex; align-items: center; gap: 8px;
  transition: gap .2s;
}
.btn-link:hover { gap: 14px; }

/* MARQUEE */
.marquee-wrap {
  position: relative; z-index: 1;
  border-bottom: 1px solid var(--border); padding: 18px 0;
  overflow: hidden; background: var(--bg2);
}
.marquee-track {
  display: flex; animation: marquee 28s linear infinite; white-space: nowrap;
}
.marquee-track span {
  font-family: var(--font-m); font-size: 11px; letter-spacing: .15em;
  color: var(--fg-dimmer); text-transform: uppercase;
  padding: 0 40px; border-right: 1px solid var(--border);
}
.marquee-track span.hi { color: var(--accent); }
@keyframes marquee { from { transform:translateX(0); } to { transform:translateX(-50%); } }

/* FOOTER */
footer {
  position: relative; z-index: 1;
  border-top: 1px solid var(--border);
  padding: 56px 60px;
  display: grid; grid-template-columns: 1fr auto 1fr;
  align-items: center;
}
.footer-logo {
  font-size: 17px; font-weight: 700; letter-spacing: -.02em;
  display: flex; align-items: center; gap: 8px;
}
.footer-links {
  display: flex; gap: 32px; list-style: none; justify-content: center;
}
.footer-links a {
  font-size: 13px; color: var(--fg-dimmer); text-decoration: none;
  transition: color .2s;
}
.footer-links a:hover { color: var(--fg); }
.footer-copy {
  font-family: var(--font-m); font-size: 11px;
  color: var(--fg-dimmer); letter-spacing: .06em; text-align: right;
}

/* SCROLL REVEAL */
.reveal {
  opacity: 0; transform: translateY(16px);
  transition: opacity .6s, transform .6s;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* HAMBURGER (mobile only) */
.nav-burger {
  display: none;
  width: 34px; height: 34px; background: transparent;
  border: 1px solid var(--border); cursor: pointer;
  align-items: center; justify-content: center;
  padding: 0; transition: border-color .2s;
}
.nav-burger:hover { border-color: var(--fg-dim); }
.nav-burger span {
  display: block; width: 16px; height: 1.5px;
  background: var(--fg); position: relative;
  transition: transform .25s, opacity .25s;
}
.nav-burger span::before,
.nav-burger span::after {
  content: ""; position: absolute; left: 0; width: 100%; height: 1.5px;
  background: var(--fg); transition: transform .25s;
}
.nav-burger span::before { top: -6px; }
.nav-burger span::after  { top: 6px; }
.nav-burger.open span             { background: transparent; }
.nav-burger.open span::before     { transform: translateY(6px) rotate(45deg); }
.nav-burger.open span::after      { transform: translateY(-6px) rotate(-45deg); }

/* RESPONSIVE */
@media (max-width: 860px) {
  nav { padding: 0 22px; height: 64px; }
  .nav-logo { font-size: 17px; }
  .nav-cta { display: none; }
  .nav-burger { display: flex; }

  .nav-links {
    position: fixed; top: 64px; left: 0; right: 0;
    flex-direction: column; gap: 0;
    background: oklch(0.07 0.012 255 / .96);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    max-height: 0; overflow: hidden;
    transition: max-height .3s ease;
  }
  .nav-links.open { max-height: 420px; }
  .nav-links li { border-top: 1px solid var(--border); }
  .nav-links a {
    display: block; padding: 18px 22px;
    font-size: 15px; letter-spacing: 0;
  }

  .page-hero { padding: 80px 22px 56px; }
  .section-inner { padding: 72px 22px; }

  .card-grid.cols-3, .card-grid.cols-2 { grid-template-columns: 1fr; }

  footer {
    grid-template-columns: 1fr; gap: 22px; padding: 40px 22px;
    text-align: center;
  }
  .footer-logo { justify-content: center; }
  .footer-links { flex-wrap: wrap; justify-content: center; gap: 18px; }
  .footer-copy { text-align: center; }

  /* HOME */
  #hero { padding: 96px 22px 64px !important; min-height: auto !important; }
  .hero-title { font-size: clamp(40px, 12vw, 64px) !important; }
  .hero-body, .hero-actions { margin-top: 32px !important; }
  .hero-stats {
    grid-template-columns: repeat(2,1fr) !important;
    max-width: 100% !important; margin-top: 56px !important;
  }
  .stat { padding: 22px 20px !important; }
  .stat-value { font-size: 24px !important; }
  .overview-grid { grid-template-columns: 1fr !important; margin-top: 48px !important; }
  .overview-card { padding: 40px 28px !important; }

  /* CAREERS */
  .manifesto {
    grid-template-columns: 1fr !important;
    gap: 40px !important; padding: 60px 22px !important;
  }
  .life-grid { grid-template-columns: 1fr !important; }
  .life-cell { padding: 32px 24px !important; }
  .role-row {
    grid-template-columns: 1fr !important;
    gap: 10px !important; padding: 24px 22px !important;
  }
  .role-row .role-location, .role-row .role-tag { justify-self: start; }
  .role-arrow { display: none !important; }
  .apply-band {
    grid-template-columns: 1fr !important;
    gap: 32px !important; padding: 48px 24px !important;
  }
  .apply-actions { align-items: flex-start !important; }
  .dept-nav { overflow-x: auto; flex-wrap: nowrap; }
  .dept-btn { white-space: nowrap; }

  /* APPROACH */
  .principle { grid-template-columns: 1fr !important; }
  .p-num { padding: 24px 22px 0 !important; }
  .p-title-cell { padding: 12px 22px 20px !important; }
  .p-body-cell { padding: 22px 22px 28px !important; }
  .quote-block { padding: 48px 28px !important; }
  .quote-mark { left: 20px !important; font-size: 80px !important; }
  .values-grid { grid-template-columns: 1fr !important; }
  .value-cell { padding: 28px 24px !important; }
  .stat-row { grid-template-columns: repeat(2,1fr) !important; }
  .stat-cell { padding: 28px 22px !important; }
  .stat-cell-value { font-size: 32px !important; }

  /* WHAT WE DO */
  .capability-row { grid-template-columns: 1fr !important; }
  .cap-label { padding: 28px 22px !important; }
  .cap-content { padding: 28px 22px !important; }
  .venues-grid { grid-template-columns: repeat(2,1fr) !important; }
  .split-promo { grid-template-columns: 1fr !important; }
  .promo-cell { padding: 36px 24px !important; }

  /* RESEARCH */
  .filter-tabs { overflow-x: auto; flex-wrap: nowrap; width: 100%; }
  .filter-tab { white-space: nowrap; }
  .paper-row {
    grid-template-columns: 1fr !important;
    gap: 10px !important; padding: 24px 22px !important;
  }
  .collab-row { grid-template-columns: repeat(2,1fr) !important; }
}