:root {
    --ink: #0b0b0b;
    --paper: #ffffff;
    --grey: #6b6b6b;
    --line: #e4e4e4;
    --panel: #f5f5f4;
    --accent: #0b0b0b;
    --max: 1100px;
    --gutter: 20px;
  }
  * { box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  body { margin: 0; font-family: Inter, -apple-system, "Helvetica Neue", Helvetica, Arial, sans-serif; color: var(--ink); background: var(--paper); line-height: 1.55; font-size: 17px; -webkit-font-smoothing: antialiased; }
  h1, h2, h3, .wordmark { font-family: Oswald, "Arial Narrow", Impact, sans-serif; font-weight: 600; letter-spacing: .01em; line-height: 1.1; margin: 0; text-transform: none; }
  h1 { font-size: clamp(2rem, 4.6vw, 3.4rem); font-weight: 700; }
  h2 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); margin-bottom: .6em; }
  h3 { font-size: 1.3rem; margin-bottom: .35em; }
  p { margin: 0 0 1em; }
  a { color: inherit; }
  .wrap { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }
  section { padding: 72px 0; }
  .kicker { font-family: Oswald, sans-serif; font-weight: 500; text-transform: uppercase; letter-spacing: .18em; font-size: .8rem; color: var(--grey); margin-bottom: 14px; }
  .btn { display: inline-block; padding: 14px 22px; border: 2px solid var(--ink); border-radius: 4px; font-weight: 600; text-decoration: none; font-size: 1rem; transition: background .15s, color .15s; }
  .btn.solid { background: var(--ink); color: #fff; }
  .btn.solid:hover { background: #fff; color: var(--ink); }
  .btn.ghost:hover { background: var(--ink); color: #fff; }
  .dark .btn.ghost { border-color: #fff; color: #fff; }
  .dark .btn.ghost:hover { background: #fff; color: var(--ink); }
  .dark .btn.solid { background: #fff; color: var(--ink); border-color: #fff; }
  .dark .btn.solid:hover { background: transparent; color: #fff; }

  /* header */
  header { position: sticky; top: 0; z-index: 10; background: rgba(255,255,255,.94); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
  .nav { display: flex; align-items: center; justify-content: space-between; height: 64px; }
  .brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
  .brand .mark { width: 34px; height: 34px; }
  .brand .wordmark { font-size: 1.45rem; font-weight: 700; letter-spacing: .02em; }
  nav ul { list-style: none; display: flex; gap: 26px; margin: 0; padding: 0; }
  nav a { text-decoration: none; font-weight: 500; font-size: .95rem; }
  nav a:hover { text-decoration: underline; text-underline-offset: 5px; }
  .menu-btn { display: none; background: none; border: 0; font: inherit; font-weight: 600; cursor: pointer; padding: 8px; }

  /* hero */
  .hero { background: var(--ink); color: #fff; padding: 96px 0 88px; }
  .hero .wrap { display: grid; grid-template-columns: 1.4fr 1fr; gap: 48px; align-items: center; }
  .hero .kicker { color: #bdbdbd; }
  .hero p.lead { font-size: 1.2rem; color: #d9d9d9; max-width: 36rem; margin: 22px 0 30px; }
  .hero .actions { display: flex; gap: 14px; flex-wrap: wrap; }
  .hero .bigmark { width: 100%; max-width: 300px; margin: 0 auto; display: block; }
  .tagline { font-family: Oswald, sans-serif; font-weight: 500; letter-spacing: .16em; text-transform: uppercase; color: #9a9a9a; font-size: .85rem; text-align: center; margin-top: 18px; }

  /* strips */
  .strip { background: var(--panel); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 26px 0; }
  .strip .wrap { display: flex; flex-wrap: wrap; gap: 14px 40px; justify-content: center; font-weight: 500; color: #333; font-size: .95rem; }
  .strip span::before { content: "✕"; font-size: .7em; margin-right: 10px; vertical-align: middle; }

  /* grids */
  .grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; }
  .grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
  .card { border: 1px solid var(--line); border-radius: 8px; padding: 28px; background: #fff; }
  .card.dark { background: var(--ink); color: #fff; border-color: var(--ink); }
  .card.dark .kicker { color: #bdbdbd; }
  .card ul { padding-left: 20px; margin: 0 0 1em; }
  .card li { margin-bottom: 6px; }
  .card .out { font-size: .95rem; color: var(--grey); border-top: 1px solid var(--line); padding-top: 14px; margin-top: 6px; }
  .card.dark .out { color: #bdbdbd; border-color: #333; }

  /* steps */
  .steps { counter-reset: step; display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
  .step { position: relative; border-top: 3px solid var(--ink); padding-top: 16px; }
  .step::before { counter-increment: step; content: counter(step, decimal-leading-zero); font-family: Oswald, sans-serif; font-size: 2rem; font-weight: 700; display: block; line-height: 1; margin-bottom: 10px; }
  .step h3 { font-size: 1.15rem; }
  .step p { font-size: .95rem; color: #333; margin: 0; }

  /* measures */
  .measures { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
  .measure { background: var(--panel); border-radius: 8px; padding: 22px; }
  .measure b { display: block; font-family: Oswald, sans-serif; font-size: 1.2rem; font-weight: 600; margin-bottom: 6px; }
  .measure span { font-size: .95rem; color: #333; }

  /* about */
  .about .wrap { display: grid; grid-template-columns: 1fr 1.3fr; gap: 48px; align-items: start; }
  .about .photo { aspect-ratio: 4/5; background: var(--ink); border-radius: 8px; display: grid; place-items: center; color: #fff; overflow: hidden; }
  .about .photo img { width: 100%; height: 100%; object-fit: cover; display: block; }
  .about .photo .ph { font-family: Oswald, sans-serif; letter-spacing: .14em; text-transform: uppercase; font-size: .8rem; color: #8a8a8a; text-align: center; padding: 20px; }
  .cred { list-style: none; padding: 0; margin: 20px 0 0; display: grid; grid-template-columns: 1fr; gap: 10px 24px; }
  .cred li { padding-left: 22px; position: relative; font-size: .98rem; }
  .cred li::before { content: "✕"; position: absolute; left: 0; top: .15em; font-size: .75em; }
  .lane { background: var(--panel); border-left: 4px solid var(--ink); padding: 16px 20px; margin-top: 26px; font-size: .98rem; }

  /* contact */
  .contact { background: var(--ink); color: #fff; }
  .contact .wrap { display: grid; grid-template-columns: 1.2fr 1fr; gap: 48px; align-items: center; }
  .contact .kicker { color: #bdbdbd; }
  .contact p { color: #d9d9d9; }
  .contact .big { font-family: Oswald, sans-serif; font-size: clamp(1.5rem, 3.6vw, 2.4rem); font-weight: 600; text-decoration: none; display: block; color: #fff; margin: 6px 0; }
  .contact .big:hover { text-decoration: underline; text-underline-offset: 6px; }
  .contact small { color: #9a9a9a; display: block; margin-top: 16px; font-size: .9rem; }

  footer { padding: 28px 0; font-size: .85rem; color: var(--grey); border-top: 1px solid var(--line); }
  footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px 24px; }

  @media (max-width: 900px) {
    .hero .wrap, .about .wrap, .contact .wrap, .grid2 { grid-template-columns: 1fr; }
    .hero .bigmark { max-width: 180px; }
    .grid3 { grid-template-columns: 1fr; }
    .steps { grid-template-columns: 1fr 1fr; }
    .measures { grid-template-columns: 1fr 1fr; }
    .about .photo { max-width: 320px; aspect-ratio: 1/1; }
  }
  @media (max-width: 640px) {
    body { font-size: 16px; }
    section { padding: 56px 0; }
    .hero { padding: 64px 0 56px; }
    .steps, .measures, .cred { grid-template-columns: 1fr; }
    nav ul { display: none; position: absolute; left: 0; right: 0; top: 64px; background: #fff; border-bottom: 1px solid var(--line); flex-direction: column; gap: 0; padding: 8px 0; }
    nav ul.open { display: flex; }
    nav li a { display: block; padding: 12px var(--gutter); }
    .menu-btn { display: inline-block; }
  }

  /* ---- About page ---- */
  .page-head { background: var(--ink); color: #fff; padding: 72px 0 56px; }
  .page-head .wrap { display: grid; grid-template-columns: 1.4fr 1fr; gap: 48px; align-items: center; }
  .page-head .kicker { color: #bdbdbd; }
  .page-head p.lead { font-size: 1.15rem; color: #d9d9d9; max-width: 36rem; margin: 18px 0 0; }
  .page-head .photo { aspect-ratio: 4/5; background: #1a1a1a; border: 1px solid #333; border-radius: 8px; display: grid; place-items: center; overflow: hidden; max-width: 340px; margin: 0 auto; }
  .page-head .photo img { width: 100%; height: 100%; object-fit: cover; display: block; }
  .page-head .photo .ph { font-family: Oswald, sans-serif; letter-spacing: .14em; text-transform: uppercase; font-size: .8rem; color: #8a8a8a; text-align: center; padding: 20px; }
  .timeline { list-style: none; margin: 34px 0 0; padding: 0; border-left: 3px solid var(--ink); }
  .timeline li { position: relative; padding: 0 0 30px 28px; }
  .timeline li::before { content: ""; position: absolute; left: -9px; top: 6px; width: 15px; height: 15px; background: var(--ink); border: 3px solid #fff; box-sizing: border-box; }
  .timeline .when { font-family: Oswald, sans-serif; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; font-size: .85rem; color: var(--grey); margin-bottom: 4px; }
  .timeline h3 { font-size: 1.25rem; margin-bottom: 6px; }
  .timeline p { margin: 0 0 6px; color: #222; }
  .timeline p.so { color: var(--grey); font-size: .95rem; margin: 6px 0 0; }
  .two { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; margin-top: 30px; }
  .facts { list-style: none; padding: 0; margin: 0; }
  .facts li { padding: 10px 0 10px 22px; position: relative; border-bottom: 1px solid var(--line); font-size: .98rem; }
  .facts li::before { content: "✕"; position: absolute; left: 0; top: .85em; font-size: .7em; }
  .teaser-cred { list-style: none; padding: 0; margin: 18px 0 22px; }
  .teaser-cred li { padding-left: 22px; position: relative; margin-bottom: 8px; }
  .teaser-cred li::before { content: "✕"; position: absolute; left: 0; top: .15em; font-size: .75em; }
  .more { font-weight: 600; text-decoration: none; border-bottom: 2px solid var(--ink); padding-bottom: 2px; }
  .more:hover { background: var(--ink); color: #fff; }
  @media (max-width: 900px) {
    .page-head .wrap, .two { grid-template-columns: 1fr; }
    .page-head .photo { max-width: 260px; aspect-ratio: 1/1; }
  }