html { touch-action: manipulation; }
    :root {
      --ink: #111111;
      --paper: #faf8f3;
      --surface: #ffffff;
      --accent: #ff3127;
      --accent-hover: #e0271e;
      --accent-active: #c21f17;
      --text: #111111;
      --text-muted: #5f6670;
      --border: #e3ded3;
      --radius-md: 10px;
      --radius-lg: 16px;
      --shadow-sm: 0 1px 3px rgba(16,24,40,0.08), 0 1px 2px rgba(16,24,40,0.04);
      --shadow-md: 0 10px 30px rgba(16,24,40,0.10);
      --focus-ring: 0 0 0 3px rgba(255,49,39,0.40);
      --font: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
      --maxw: 1080px;
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      font-family: var(--font);
      margin: 0;
      background: var(--paper);
      color: var(--text);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
    }
    a { color: inherit; }
    img { max-width: 100%; display: block; }
    .wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 1.25rem; }

    /* Buttons */
    .btn {
      display: inline-block;
      padding: 0.9rem 1.6rem;
      border-radius: var(--radius-md);
      font-weight: 700;
      text-decoration: none;
      font-size: 1.05rem;
      transition: background 0.15s ease, transform 0.05s ease, box-shadow 0.15s ease;
    }
    .btn-primary { background: var(--accent); color: #fff; box-shadow: var(--shadow-sm); }
    .btn-primary:hover { background: var(--accent-hover); }
    .btn-primary:active { background: var(--accent-active); transform: translateY(1px); }
    .btn-ghost { background: transparent; color: var(--ink); border: 1.5px solid var(--border); }
    .btn-ghost:hover { border-color: var(--ink); }
    .btn:focus-visible { outline: none; box-shadow: var(--focus-ring); }

    /* Header */
    header.site {
      position: sticky; top: 0; z-index: 10;
      background: rgba(250,248,243,0.9);
      backdrop-filter: saturate(180%) blur(8px);
      border-bottom: 1px solid var(--border);
    }
    header.site .wrap {
      display: flex; align-items: center; justify-content: space-between;
      padding-top: 0.85rem; padding-bottom: 0.85rem;
    }
    .logo { height: 30px; width: auto; }
    .nav-cta { font-weight: 700; text-decoration: none; color: var(--ink); font-size: 0.98rem; }
    .nav-cta:hover { color: var(--accent); }

    /* Hero */
    .hero { padding: clamp(3rem, 8vw, 6rem) 0 clamp(2.5rem, 6vw, 4rem); text-align: center; }
    .hero .dot { color: var(--accent); }
    .hero h1 {
      font-size: clamp(2.1rem, 6vw, 3.6rem);
      line-height: 1.08; letter-spacing: -0.02em; margin: 0 auto 1.1rem;
      max-width: 16ch; font-weight: 800;
    }
    .hero p.lead {
      font-size: clamp(1.05rem, 2.5vw, 1.3rem); color: var(--text-muted);
      max-width: 56ch; margin: 0 auto 2rem;
    }
    .hero .cta-row { display: flex; gap: 0.75rem; justify-content: center; flex-wrap: wrap; }

    /* Steps */
    section.steps { padding: clamp(2rem, 6vw, 4rem) 0; }
    .section-title { text-align: center; font-size: clamp(1.5rem, 4vw, 2.1rem); letter-spacing: -0.01em; margin: 0 0 0.5rem; }
    .section-sub { text-align: center; color: var(--text-muted); margin: 0 auto 2.5rem; max-width: 48ch; }
    .grid {
      display: grid; gap: 1.25rem;
      grid-template-columns: repeat(3, 1fr);
    }
    .card {
      background: var(--surface); border: 1px solid var(--border);
      border-radius: var(--radius-lg); padding: 1.75rem; box-shadow: var(--shadow-sm);
    }
    .card .num {
      display: inline-flex; align-items: center; justify-content: center;
      width: 38px; height: 38px; border-radius: 50%;
      background: var(--accent); color: #fff; font-weight: 800; margin-bottom: 0.9rem;
    }
    .card h3 { margin: 0 0 0.4rem; font-size: 1.2rem; letter-spacing: -0.01em; }
    .card p { margin: 0; color: var(--text-muted); }

    /* Value band */
    section.value { padding: clamp(2.5rem, 7vw, 4.5rem) 0; }
    .value-inner {
      background: var(--ink); color: var(--paper);
      border-radius: var(--radius-lg); padding: clamp(2rem, 5vw, 3.5rem);
      display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; text-align: center;
    }
    .value-inner h3 { margin: 0 0 0.3rem; font-size: 1.6rem; color: #fff; }
    .value-inner .accent { color: var(--accent); }
    .value-inner p { margin: 0; color: #cfd2d6; }
    .value-cta { text-align: center; margin-top: 2.25rem; }

    /* Footer */
    footer.site { border-top: 1px solid var(--border); padding: 2rem 0; }
    footer.site .wrap { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 1rem; }
    footer.site img { height: 24px; }
    footer.site p { margin: 0; color: var(--text-muted); font-size: 0.9rem; }

    @media (max-width: 959px) {
      .grid { grid-template-columns: repeat(2, 1fr); }
    }
    @media (max-width: 599px) {
      .grid, .value-inner { grid-template-columns: 1fr; }
    }
    @media (max-width: 480px) {
      .hero .cta-row { flex-direction: column; }
      .hero .cta-row .btn { width: 100%; }
    }