:root {
    --bg: #FBFBFA;
    --ink: #0C0F11;
    --ink-soft: #4B5054;
    --ink-faint: #8B9094;
    --accent: #0C8B8B;
    --accent-dark: #086F6F;
    --accent-bright: #2BD4C4;
    --accent-soft: #E4F2F1;
    --line: #E4E6E6;
    --box: #F3F5F5;
    --dark: #0B0E10;
    --dark-line: rgba(255,255,255,0.10);
    --dark-text: #E8EAEA;
    --dark-soft: #9BA3A8;
    --mono: "SF Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    --max: 1040px;
  }

  * { margin: 0; padding: 0; box-sizing: border-box; }
  html { scroll-behavior: smooth; }

  body {
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", "Helvetica Neue", Helvetica, Arial, sans-serif;
    background: var(--bg);
    color: var(--ink);
    font-size: 16.5px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
  }

  .wrap { max-width: var(--max); margin: 0 auto; padding: 0 28px; }
  ::selection { background: var(--accent); color: #fff; }
  a { color: inherit; }

  .kicker {
    font-family: var(--mono);
    font-size: 11.5px; font-weight: 600;
    letter-spacing: 0.24em; text-transform: uppercase;
    color: var(--accent); margin-bottom: 16px;
  }

  @media (prefers-reduced-motion: no-preference) {
    .rv { opacity: 0; transform: translateY(16px); transition: opacity .55s ease, transform .55s ease; }
    .rv.in { opacity: 1; transform: none; }
    .d1 { transition-delay: .1s; } .d2 { transition-delay: .2s; }
  }

  /* ================= Nav ================= */
  nav {
    position: sticky; top: 0; z-index: 10;
    background: rgba(251,251,250,0.92);
    backdrop-filter: saturate(180%) blur(16px);
    -webkit-backdrop-filter: saturate(180%) blur(16px);
    border-bottom: 1px solid var(--line);
  }
  .nav-inner { display: flex; justify-content: space-between; align-items: center; height: 58px; }
  .wordmark { display: flex; align-items: center; gap: 10px; font-size: 15px; font-weight: 800; letter-spacing: 0.12em; text-decoration: none; }
  .wm-glyph {
    width: 27px; height: 27px; border-radius: 8px;
    background: var(--accent); color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-size: 12.5px; font-weight: 800; letter-spacing: 0;
  }
  .wordmark .wm-sec { color: var(--ink); }
  .wordmark .wm-dev { color: var(--ink-faint); }
  .wordmark .wm-ai { color: var(--accent); }
  .nav-right { display: flex; align-items: center; gap: 22px; }
  .lang-switch { display: flex; gap: 2px; border: 1px solid var(--line); border-radius: 980px; padding: 2px; }
  .lang-switch button {
    font: inherit; font-size: 11px; font-weight: 600; letter-spacing: .06em;
    border: none; background: transparent; color: var(--ink-faint);
    padding: 3px 9px; border-radius: 980px; cursor: pointer; transition: .2s;
  }
  .lang-switch button.active { background: var(--ink); color: var(--bg); }

  /* ================= Hero ================= */
  .hero {
    background:
      radial-gradient(700px 380px at 85% 8%, color-mix(in srgb, var(--accent) 15%, transparent), transparent 65%),
      radial-gradient(rgba(255,255,255,0.05) 1px, transparent 1.4px),
      var(--dark);
    background-size: auto, 24px 24px, auto;
    color: var(--dark-text);
    padding: 78px 0 64px;
    overflow: hidden;
  }
  .hero-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: 44px; align-items: center; }
  .eyebrow {
    font-family: var(--mono);
    font-size: 11px; font-weight: 600; letter-spacing: .22em; text-transform: uppercase;
    color: var(--accent-bright); margin-bottom: 20px;
  }
  .hero h1 { font-size: clamp(27px, 4vw, 41px); line-height: 1.26; font-weight: 800; letter-spacing: -0.015em; }
  .hero h1 .hl {
    display: inline-block; background: #fff; color: var(--dark);
    padding: 0.02em 0.24em 0.07em; border-radius: 5px; margin: 0.07em 0;
  }
  .hero h1 .hl.accent { background: var(--accent); color: #fff; }
  .hero .subline { margin-top: 20px; font-size: clamp(15px, 1.7vw, 17px); line-height: 1.6; color: var(--dark-soft); max-width: 32em; }

  .hero-art { justify-self: end; width: 100%; max-width: 360px; }
  .hero-art svg { width: 100%; height: auto; display: block; }
  @media (prefers-reduced-motion: no-preference) {
    .flow-line { stroke-dasharray: 7 9; animation: flow 1.5s linear infinite; }
    @keyframes flow { to { stroke-dashoffset: -32; } }
    .pulse { transform-box: fill-box; transform-origin: center; animation: ping 2.6s ease-out infinite; }
    @keyframes ping { 0% { transform: scale(.6); opacity: .8; } 70% { transform: scale(1.6); opacity: 0; } 100% { opacity: 0; } }
  }

  /* ================= Stats ================= */
  .stats { background: var(--dark); color: var(--dark-text); padding: 0 0 60px; }
  .stats .kicker { color: var(--dark-soft); border-top: 1px solid var(--dark-line); padding-top: 30px; }
  .stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; margin-top: 10px; }
  .stat .bar { width: 26px; height: 3px; background: var(--accent-bright); border-radius: 2px; margin-bottom: 12px; }
  .stat .num { font-size: clamp(28px, 3.4vw, 40px); font-weight: 800; letter-spacing: -0.02em; line-height: 1; font-variant-numeric: tabular-nums; }
  .stat .lbl { margin-top: 9px; font-size: 13px; line-height: 1.5; color: var(--dark-soft); max-width: 24em; }
  .stats .src { margin-top: 26px; font-family: var(--mono); font-size: 10.5px; letter-spacing: .04em; color: rgba(255,255,255,0.32); }

  /* ================= Intro ================= */
  .intro { padding: 72px 0 56px; text-align: center; }
  .intro h2 { font-size: clamp(22px, 3.2vw, 32px); font-weight: 800; letter-spacing: -0.018em; line-height: 1.22; max-width: 28ch; margin: 0 auto; }
  .intro p { margin: 16px auto 0; font-size: 15.5px; color: var(--ink-soft); max-width: 38em; }
  .intro em { font-style: normal; color: var(--accent); font-weight: 600; }

  /* ================= Focus areas ================= */
  .focus { padding: 20px 0 72px; }
  .focus-grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 52px; align-items: center; }
  .art-frame { position: relative; padding: 20px; }
  .art-frame::before, .art-frame::after,
  .art-frame .c3, .art-frame .c4 { content: ""; position: absolute; width: 26px; height: 26px; border: 2px solid var(--ink); }
  .art-frame::before { top: 0; left: 0; border-right: none; border-bottom: none; }
  .art-frame::after  { top: 0; right: 0; border-left: none; border-bottom: none; }
  .art-frame .c3 { bottom: 0; left: 0; border-right: none; border-top: none; }
  .art-frame .c4 { bottom: 0; right: 0; border-left: none; border-top: none; }
  .art-panel { background: var(--box); border-radius: 18px; padding: 8px; }
  .art-panel svg { width: 100%; height: auto; display: block; }

  .icon-list { display: grid; gap: 22px; }
  .icon-item { display: grid; grid-template-columns: 38px 1fr; gap: 16px; align-items: start; }
  .icon-item .ic {
    width: 38px; height: 38px; border-radius: 10px;
    background: var(--box); border: 1px solid var(--line);
    display: flex; align-items: center; justify-content: center;
    font-size: 16px; font-weight: 800; color: var(--accent);
  }
  .icon-item h3 { font-size: 15.5px; font-weight: 700; margin-bottom: 3px; }
  .icon-item p { font-size: 13.5px; line-height: 1.55; color: var(--ink-soft); }

  /* ================= How it plays out (framework) ================= */
  .how { padding: 20px 0 76px; border-top: 1px solid var(--line); text-align: center; }
  .how h2 { font-size: clamp(21px, 2.8vw, 30px); font-weight: 800; letter-spacing: -0.015em; }
  .steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; margin-top: 44px; position: relative; text-align: left; }
  .steps::before {
    content: ""; position: absolute; top: 20px; left: 10%; right: 10%;
    border-top: 2px dashed color-mix(in srgb, var(--accent) 35%, transparent);
  }
  .step { position: relative; }
  .s-no {
    width: 40px; height: 40px; border-radius: 50%;
    background: var(--bg); border: 1.5px solid var(--accent); color: var(--accent);
    font-family: var(--mono); font-size: 12.5px; font-weight: 700;
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 14px; position: relative; z-index: 1;
  }
  .step h3 { font-size: 15.5px; font-weight: 700; margin-bottom: 5px; }
  .step p { font-size: 13.5px; line-height: 1.55; color: var(--ink-soft); }
  .s-out { margin-top: 10px; display: flex; gap: 9px; align-items: baseline; }
  .s-out .val { font-size: 13px; line-height: 1.5; color: var(--ink); }
  .s-lbl {
    font-family: var(--mono); font-size: 9.5px; font-weight: 700; letter-spacing: .14em;
    text-transform: uppercase; color: var(--accent);
    border: 1px solid color-mix(in srgb, var(--accent) 40%, transparent);
    border-radius: 980px; padding: 2px 8px; flex: none; white-space: nowrap;
  }

  /* ================= Why it works (restored, no personal pronouns) ================= */
  .method { background: var(--box); padding: 68px 0 72px; text-align: center; }
  .method-lead {
    font-size: clamp(20px, 2.8vw, 30px); line-height: 1.32; font-weight: 800;
    letter-spacing: -0.015em; max-width: 30em; margin: 0 auto;
  }
  .method-lead em { font-style: normal; color: var(--accent); }
  .match-row { margin-top: 40px; display: flex; gap: 0; justify-content: center; align-items: center; }
  .m-chip {
    background: #fff; border: 1px solid var(--line); border-radius: 980px;
    padding: 10px 26px; font-weight: 700; font-size: 14.5px; white-space: nowrap;
  }
  .m-track { position: relative; width: min(170px, 22vw); height: 2px; background: color-mix(in srgb, var(--accent) 30%, transparent); }
  .m-dot { position: absolute; top: -3.5px; left: 0; width: 9px; height: 9px; border-radius: 50%; background: var(--accent); }
  @media (prefers-reduced-motion: no-preference) {
    .m-dot { animation: shuttle 3.2s ease-in-out infinite; }
    @keyframes shuttle { 0%,100% { left: 0; } 50% { left: calc(100% - 9px); } }
  }
  .m-caption { margin-top: 22px; font-size: 13.5px; color: var(--ink-faint); }

  /* ================= Domains ================= */
  .domains { padding: 56px 0; text-align: center; border-top: 1px solid var(--line); }
  .domains h2 { font-family: var(--mono); font-size: 11.5px; font-weight: 600; letter-spacing: .24em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: 20px; }
  .chip-row { display: flex; flex-wrap: wrap; gap: 9px; justify-content: center; }
  .chip {
    font-family: var(--mono); font-size: 12.5px; font-weight: 500;
    border: 1px solid var(--line); background: var(--box);
    border-radius: 980px; padding: 8px 17px;
    transition: border-color .2s, color .2s, background .2s;
  }
  .chip:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }

  /* ================= Footer ================= */
  footer { background: var(--dark); color: var(--dark-soft); padding: 36px 0 44px; }
  .footer-inner { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; flex-wrap: wrap; }
  .footer-wordmark { display: flex; align-items: center; gap: 10px; font-size: 14px; font-weight: 800; letter-spacing: .12em; color: var(--dark-text); }
  .footer-wordmark .wm-glyph { width: 27px; height: 27px; border-radius: 8px; font-size: 12.5px; }
  .footer-wordmark .wm-sec { color: var(--dark-text); }
  .footer-wordmark .wm-dev { color: var(--dark-soft); }
  .footer-wordmark .wm-ai { color: var(--accent-bright); }
  .footer-right { text-align: right; }
  .footer-legal { padding-top: 7px; font-size: 12.5px; display: flex; gap: 8px; justify-content: flex-end; }
  .footer-legal .sep { color: rgba(255,255,255,0.25); }
  .footer-legal a { color: var(--dark-soft); text-decoration: none; border-bottom: 1px solid var(--dark-line); transition: color .2s, border-color .2s; }
  .footer-legal a:hover { color: var(--accent-bright); border-color: var(--accent-bright); }

  @media (max-width: 820px) {
    .hero { padding: 56px 0 48px; }
    .hero-grid { grid-template-columns: 1fr; gap: 34px; }
    .hero-art { max-width: 300px; justify-self: start; }
    .stats-grid { grid-template-columns: 1fr; gap: 24px; }
    .focus-grid { grid-template-columns: 1fr; gap: 40px; }
    .steps { grid-template-columns: 1fr; }
    .steps::before { display: none; }
    .footer-right { text-align: left; }
    .footer-legal { justify-content: flex-start; }
  }
  html { scrollbar-gutter: stable; overflow-y: scroll; }
  html { background: #FBFBFA; }
  a.footer-wordmark { text-decoration: none; width: fit-content; }