:root {
      --bg: #070b14;
      --bg2: #0d1424;
      --card: #121a2e;
      --line: rgba(255,255,255,0.08);
      --text: #e8eefc;
      --muted: #9aa8c7;
      --accent: #5b8cff;
      --accent2: #3ee0ac;
      --warn: #ffb020;
      --radius: 16px;
      --shadow: 0 20px 60px rgba(0,0,0,0.45);
      --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      font-family: var(--font);
      background: radial-gradient(1200px 600px at 10% -10%, rgba(91,140,255,0.25), transparent 55%),
                  radial-gradient(900px 500px at 90% 0%, rgba(62,224,172,0.12), transparent 50%),
                  var(--bg);
      color: var(--text);
      line-height: 1.55;
    }
    a { color: inherit; }
    .wrap { width: min(1120px, calc(100% - 2rem)); margin: 0 auto; }
    header {
      position: sticky; top: 0; z-index: 50;
      backdrop-filter: blur(14px);
      background: rgba(7,11,20,0.75);
      border-bottom: 1px solid var(--line);
    }
    .nav {
      display: flex; align-items: center; justify-content: space-between;
      padding: 0.9rem 0; gap: 1rem;
    }
    .logo {
      font-weight: 800; letter-spacing: -0.03em; font-size: 1.15rem;
      display: flex; align-items: center; gap: 0.55rem; text-decoration: none;
    }
    .logo-mark {
      width: 28px; height: 28px; border-radius: 8px;
      background: linear-gradient(135deg, var(--accent), var(--accent2));
      box-shadow: 0 0 24px rgba(91,140,255,0.45);
    }
    .nav-links { display: flex; gap: 1.25rem; align-items: center; color: var(--muted); font-size: 0.95rem; }
    .nav-links a { text-decoration: none; }
    .nav-links a:hover { color: var(--text); }
    .btn {
      display: inline-flex; align-items: center; justify-content: center; gap: 0.4rem;
      padding: 0.75rem 1.15rem; border-radius: 999px; font-weight: 650;
      text-decoration: none; border: 1px solid transparent; cursor: pointer;
      transition: transform .15s ease, background .15s ease, border-color .15s ease;
    }
    .btn:hover { transform: translateY(-1px); }
    .btn-primary {
      background: linear-gradient(135deg, var(--accent), #7a6cff);
      color: white; box-shadow: 0 10px 30px rgba(91,140,255,0.35);
    }
    .btn-ghost {
      border-color: var(--line); color: var(--text); background: rgba(255,255,255,0.03);
    }
    .btn-accent {
      background: linear-gradient(135deg, var(--accent2), #2bc4a0);
      color: #04150f; font-weight: 750;
    }
    .hero { padding: 4.5rem 0 3rem; }
    .eyebrow {
      display: inline-flex; align-items: center; gap: 0.5rem;
      padding: 0.35rem 0.75rem; border-radius: 999px;
      border: 1px solid var(--line); background: rgba(255,255,255,0.03);
      color: var(--accent2); font-size: 0.8rem; font-weight: 650; letter-spacing: 0.02em;
      text-transform: uppercase;
    }
    h1 {
      font-size: clamp(2.2rem, 5vw, 3.6rem);
      line-height: 1.08; letter-spacing: -0.035em; margin: 1rem 0 1rem; max-width: 16ch;
    }
    .hero-grid {
      display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 2.5rem; align-items: center;
    }
    .lede { color: var(--muted); font-size: 1.125rem; max-width: 48ch; margin-bottom: 1.5rem; }
    .cta-row { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-bottom: 1.5rem; }
    .trust {
      display: flex; flex-wrap: wrap; gap: 0.75rem 1.25rem; color: var(--muted); font-size: 0.9rem;
    }
    .trust span::before { content: "✓ "; color: var(--accent2); font-weight: 700; }
    .hero-card {
      background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.02));
      border: 1px solid var(--line); border-radius: calc(var(--radius) + 4px);
      padding: 1.35rem; box-shadow: var(--shadow);
    }
    .hero-card h2, .hero-card h3 { margin: 0 0 0.75rem; font-size: 1rem; color: var(--muted); font-weight: 600; }
    .metric {
      display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; margin-bottom: 1rem;
    }
    .metric div {
      background: var(--card); border-radius: 12px; padding: 0.9rem; border: 1px solid var(--line);
    }
    .metric strong { display: block; font-size: 1.35rem; letter-spacing: -0.02em; }
    .metric span { color: var(--muted); font-size: 0.8rem; }
    .price-pill {
      display: flex; justify-content: space-between; align-items: center;
      padding: 0.75rem 0.9rem; border-radius: 12px; background: rgba(91,140,255,0.1);
      border: 1px solid rgba(91,140,255,0.25); margin-top: 0.5rem; font-size: 0.92rem;
    }
    section { padding: 3.5rem 0; }
    .section-title { font-size: clamp(1.6rem, 3vw, 2.2rem); letter-spacing: -0.03em; margin: 0 0 0.5rem; }
    .section-sub { color: var(--muted); max-width: 60ch; margin: 0 0 2rem; }
    .grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
    .grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
    .card {
      background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
      padding: 1.35rem;
    }
    .card h3 { margin: 0 0 0.5rem; font-size: 1.1rem; letter-spacing: -0.02em; }
    .card p { margin: 0; color: var(--muted); font-size: 0.95rem; }
    .icon {
      width: 36px; height: 36px; border-radius: 10px; display: grid; place-items: center;
      background: rgba(91,140,255,0.15); color: var(--accent); margin-bottom: 0.85rem; font-weight: 800;
    }
    .pricing .card { position: relative; overflow: hidden; }
    .pricing .card.featured {
      border-color: rgba(62,224,172,0.45);
      box-shadow: 0 0 0 1px rgba(62,224,172,0.2), var(--shadow);
    }
    .badge {
      position: absolute; top: 1rem; right: 1rem;
      background: var(--accent2); color: #04150f; font-size: 0.7rem; font-weight: 800;
      padding: 0.25rem 0.55rem; border-radius: 999px; text-transform: uppercase;
    }
    .price { font-size: 2rem; font-weight: 800; letter-spacing: -0.03em; margin: 0.75rem 0 0.25rem; }
    .price span { font-size: 0.95rem; color: var(--muted); font-weight: 500; }
    ul.check { list-style: none; padding: 0; margin: 1rem 0 1.25rem; color: var(--muted); }
    ul.check li { padding: 0.35rem 0 0.35rem 1.4rem; position: relative; font-size: 0.92rem; }
    ul.check li::before { content: "→"; position: absolute; left: 0; color: var(--accent2); font-weight: 700; }
    .compare { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
    .compare th, .compare td { text-align: left; padding: 0.85rem 0.75rem; border-bottom: 1px solid var(--line); }
    .compare th { color: var(--muted); font-weight: 600; }
    .steps { counter-reset: step; }
    .steps .card { counter-increment: step; }
    .steps .icon::after { content: counter(step); }
    .cta-band {
      margin: 1rem 0 3rem;
      background: linear-gradient(135deg, rgba(91,140,255,0.2), rgba(62,224,172,0.12));
      border: 1px solid var(--line); border-radius: calc(var(--radius) + 6px);
      padding: 2rem; display: flex; flex-wrap: wrap; gap: 1.25rem; align-items: center; justify-content: space-between;
    }
    .cta-band h2 { margin: 0 0 0.35rem; font-size: 1.6rem; letter-spacing: -0.03em; }
    .cta-band p { margin: 0; color: var(--muted); }
    footer {
      border-top: 1px solid var(--line); padding: 2rem 0 3rem; color: var(--muted); font-size: 0.9rem;
    }
    footer .row { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; }
    @media (max-width: 860px) {
      .hero-grid, .grid-3, .grid-2 { grid-template-columns: 1fr; }
      .nav-links a:not(.btn) { display: none; }
      h1 { max-width: none; }
    }

    /* guide pages */
    .article { max-width: 780px; }
    .article h1 { max-width: none; font-size: clamp(2rem, 4.2vw, 3rem); }
    .article h2 { font-size: 1.45rem; letter-spacing: -0.02em; margin: 2.4rem 0 0.6rem; }
    .article h3 { font-size: 1.1rem; margin: 1.6rem 0 0.4rem; }
    .article p, .article ol, .article td { color: var(--muted); }
    .article p strong, .article li strong { color: var(--text); }
    .article ol { padding-left: 1.3rem; } .article ol li { margin: 0.35rem 0; }
    .article a { color: var(--accent2); }
    .article code { background: rgba(255,255,255,0.06); padding: 0.1rem 0.35rem; border-radius: 6px; font-size: 0.9em; }
    .article .compare { margin: 1rem 0; }
    .crumbs { color: var(--muted); font-size: 0.85rem; margin: 0 0 0.5rem; }
    .crumbs a { color: var(--muted); }
    .faq h3 { color: var(--text); }
    .related { list-style: none; padding: 0; } .related li { margin: 0.4rem 0; }
    .guides-list a { color: var(--accent2); text-decoration: none; } .guides-list a:hover { text-decoration: underline; }