:root {
  --bg: #050505;
  --bg-2: #0d0d0d;
  --fg: #f4f4f2;
  --muted: #9a9a96;
  --line: rgba(255, 255, 255, 0.12);
  --accent: #fff3b4;
  --mono: "Roboto Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans: "Poppins", system-ui, -apple-system, "Segoe UI", sans-serif;
  --max: 1200px;
  --gutter: clamp(20px, 5vw, 64px);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
::selection { background: var(--accent); color: #000; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }
.mono { font-family: var(--mono); }
.accent { color: var(--accent); }

/* ---------- Header ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  transition: background .3s, border-color .3s;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(5, 5, 5, .78);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom-color: var(--line);
}
.site-header .wrap {
  display: flex; align-items: center; justify-content: space-between;
  height: 76px;
}
.brand img { height: 28px; width: auto; }
.nav { display: flex; align-items: center; gap: 28px; }
.nav a {
  font-family: var(--mono); font-size: 13px; letter-spacing: .12em;
  text-transform: uppercase; text-decoration: none; color: var(--fg);
  opacity: .8; transition: opacity .2s, color .2s;
}
.nav a:hover, .nav a[aria-current="page"] { opacity: 1; color: var(--accent); }
.nav .icon { display: inline-flex; width: 18px; height: 18px; }
.nav .icon svg { width: 100%; height: 100%; fill: currentColor; }

/* ---------- Hero ---------- */
.hero {
  position: relative; min-height: 100vh; min-height: 100svh;
  display: flex; align-items: center; overflow: hidden;
}
#strings { position: absolute; inset: 0; width: 100%; height: 100%; opacity: .9; }
.hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(90deg, var(--bg) 0%, rgba(5,5,5,.85) 35%, rgba(5,5,5,0) 75%),
              linear-gradient(0deg, var(--bg) 0%, rgba(5,5,5,0) 30%);
}
.hero .wrap { position: relative; z-index: 2; width: 100%; padding-top: 76px; }
.eyebrow {
  font-family: var(--mono); font-size: 13px; letter-spacing: .2em;
  text-transform: uppercase; color: var(--muted);
  display: flex; align-items: center; gap: 14px; margin: 0 0 28px;
}
.eyebrow::before { content: ""; width: 40px; height: 1px; background: currentColor; }
.hero h1 {
  font-family: var(--mono); font-weight: 500; text-transform: uppercase;
  font-size: clamp(26px, min(3.6vw, 5.6vh), 52px); line-height: 1.25; letter-spacing: -.01em;
  max-width: 20ch; margin: 0;
}
.hero .cta-row { margin-top: 48px; display: flex; gap: 16px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--mono); font-size: 13px; letter-spacing: .14em; text-transform: uppercase;
  text-decoration: none; padding: 15px 24px; border: 1px solid var(--fg);
  transition: background .2s, color .2s, border-color .2s;
}
.btn:hover { background: var(--fg); color: #000; }
.btn.primary { background: var(--accent); color: #000; border-color: var(--accent); }
.btn.primary:hover { background: transparent; color: var(--accent); }
.scroll-hint {
  position: absolute; z-index: 2; bottom: 32px; right: var(--gutter);
  font-family: var(--mono); font-size: 11px; letter-spacing: .2em; color: var(--muted);
  text-transform: uppercase;
}

/* ---------- Sections ---------- */
section { position: relative; }
.section { padding: clamp(88px, 12vw, 160px) 0; }
.section-head {
  display: grid; grid-template-columns: 1fr; gap: 20px; margin-bottom: clamp(48px, 7vw, 88px);
}
.section-head h2 {
  font-family: var(--mono); font-weight: 500; text-transform: uppercase;
  font-size: clamp(26px, 3.4vw, 44px); line-height: 1.2; margin: 0; max-width: 22ch;
}
.label {
  font-family: var(--mono); font-size: 12px; letter-spacing: .22em; text-transform: uppercase;
  color: var(--accent);
}

/* Thesis cards */
.thesis { border-top: 1px solid var(--line); }
.thesis-bg {
  position: absolute; right: -8%; top: 4%; width: min(52vw, 640px); opacity: .22;
  pointer-events: none; mix-blend-mode: screen;
}
.cards { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); }
.card {
  position: relative; padding: 40px 32px 48px 0; border-right: 1px solid var(--line);
}
.card + .card { padding-left: 32px; }
.card:last-child { border-right: 0; }
.card .num { font-family: var(--mono); font-size: 13px; color: var(--muted); }
.card h3 {
  font-family: var(--mono); font-weight: 500; text-transform: uppercase;
  font-size: 18px; line-height: 1.45; margin: 28px 0 16px; min-height: 3em;
}
.card p { color: var(--muted); margin: 0; font-size: 15px; }
.card::before {
  content: ""; position: absolute; top: -1px; left: 0; height: 1px; width: 0;
  background: var(--accent); transition: width .6s ease;
}
.card + .card::before { left: 32px; }
.card:hover::before { width: calc(100% - 32px); }

/* Offer */
.offer { background: var(--bg-2); overflow: hidden; }
.offer-bg {
  position: absolute; left: -10%; bottom: -10%; width: min(70vw, 900px); opacity: .18;
  pointer-events: none; mix-blend-mode: screen;
}
.offer .wrap { position: relative; display: grid; grid-template-columns: 5fr 7fr; gap: 64px; align-items: start; }
.offer .section-head { margin: 0; position: sticky; top: 120px; }
.offer-list { list-style: none; margin: 0; padding: 0; counter-reset: o; }
.offer-list li {
  counter-increment: o; display: grid; grid-template-columns: 56px 1fr; gap: 16px;
  padding: 28px 0; border-bottom: 1px solid var(--line);
  font-family: var(--mono); text-transform: uppercase; font-size: 15px; line-height: 1.6;
}
.offer-list li:first-child { border-top: 1px solid var(--line); }
.offer-list li::before { content: counter(o, decimal-leading-zero); color: var(--accent); }
.offer-list strong { font-weight: 500; color: var(--fg); }
.offer-list span { color: var(--muted); }

/* Contact band */
.contact { text-align: left; border-top: 1px solid var(--line); }
.contact h2 {
  font-family: var(--mono); font-weight: 500; text-transform: uppercase;
  font-size: clamp(28px, 5vw, 64px); line-height: 1.15; margin: 20px 0 40px; max-width: 18ch;
}
.contact .mail {
  font-family: var(--mono); font-size: clamp(18px, 2.6vw, 30px);
  color: var(--accent); text-decoration: none; border-bottom: 1px solid currentColor;
  padding-bottom: 4px; word-break: break-all;
}
.contact .mail:hover { color: var(--fg); }

/* ---------- About ---------- */
.page-hero { padding: calc(76px + clamp(64px, 10vw, 140px)) 0 clamp(56px, 8vw, 100px); position: relative; overflow: hidden; }
.page-hero h1 {
  font-family: var(--mono); font-weight: 500; text-transform: uppercase;
  font-size: clamp(30px, 5vw, 64px); line-height: 1.15; margin: 0; max-width: 18ch;
}
.page-hero .bg {
  position: absolute; right: -6%; top: 50%; transform: translateY(-50%);
  width: min(60vw, 820px); opacity: .35; pointer-events: none; mix-blend-mode: screen;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 40%);
          mask-image: linear-gradient(90deg, transparent, #000 40%);
}
.story { display: grid; grid-template-columns: 4fr 8fr; gap: 64px; border-top: 1px solid var(--line); padding-top: 56px; }
.story .prose p { font-size: clamp(16px, 1.4vw, 19px); line-height: 1.8; margin: 0 0 1.4em; color: #d8d8d4; }
.story .prose p:first-child::first-line { color: var(--fg); }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); margin-top: clamp(64px, 9vw, 120px); }
.stat { padding: 36px 24px 36px 0; border-right: 1px solid var(--line); }
.stat + .stat { padding-left: 24px; }
.stat:last-child { border-right: 0; }
.stat b { display: block; font-family: var(--mono); font-weight: 500; font-size: clamp(32px, 4.4vw, 56px); color: var(--accent); line-height: 1.1; }
.stat span { font-family: var(--mono); font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }

.team { border-top: 1px solid var(--line); }
.person { display: grid; grid-template-columns: 4fr 8fr; gap: 64px; align-items: start; }
.person figure { margin: 0; }
.person img.photo { width: 100%; aspect-ratio: 1; object-fit: cover; filter: grayscale(1) contrast(1.05); transition: filter .5s; }
.person figure:hover img.photo { filter: grayscale(0); }
.person h3 { font-family: var(--mono); font-weight: 500; font-size: clamp(24px, 3vw, 36px); margin: 0 0 6px; text-transform: uppercase; }
.person .role { font-family: var(--mono); font-size: 13px; letter-spacing: .1em; text-transform: uppercase; color: var(--accent); margin: 0 0 32px; }
.bio { list-style: none; padding: 0; margin: 0; }
.bio li { padding: 14px 0 14px 28px; border-bottom: 1px solid var(--line); position: relative; color: #d8d8d4; }
.bio li::before { content: "—"; position: absolute; left: 0; color: var(--muted); font-family: var(--mono); }
.person .logos { margin-top: 36px; max-width: 520px; opacity: .85; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line); padding: 48px 0 40px; }
.site-footer .wrap { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.site-footer img { height: 40px; width: auto; }
.site-footer .meta { font-family: var(--mono); font-size: 12px; color: var(--muted); letter-spacing: .06em; display: flex; gap: 24px; flex-wrap: wrap; align-items: center; }
.site-footer .meta a { text-decoration: none; }
.site-footer .meta a:hover { color: var(--accent); }

/* ---------- Reveal ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .9s ease, transform .9s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .cards { grid-template-columns: 1fr; }
  .card, .card + .card { padding: 32px 0 36px; border-right: 0; border-bottom: 1px solid var(--line); }
  .card + .card::before { left: 0; }
  .card:hover::before { width: 100%; }
  .card h3 { min-height: 0; margin-top: 16px; }
  .offer .wrap, .story, .person { grid-template-columns: 1fr; gap: 40px; }
  .offer .section-head { position: static; }
  .person figure { max-width: 320px; }
  .stats { grid-template-columns: 1fr; }
  .stat, .stat + .stat { padding: 24px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .stat:last-child { border-bottom: 0; }
  .hero::after { background: linear-gradient(0deg, var(--bg) 5%, rgba(5,5,5,.55) 60%, rgba(5,5,5,.35) 100%); }
}
@media (max-width: 560px) {
  .site-header .wrap { height: 64px; }
  .brand img { height: 22px; }
  .nav { gap: 18px; }
  .nav a { font-size: 12px; }
  .nav .hide-sm { display: none; }
  .offer-list li { grid-template-columns: 40px 1fr; font-size: 14px; }
  .scroll-hint { display: none; }
}