:root {
  --bg: #fbfbf9;
  --surface: #ffffff;
  --fg: #1a1d1a;
  --muted: #5f6b60;
  --line: #e6e8e2;
  --accent: #16a34a;
  --accent-dark: #15803d;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, Helvetica, Arial, sans-serif;
  --max: 1000px;
}

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent-dark); }

.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 680px; }

.skip { position: absolute; left: -999px; }
.skip:focus { left: 12px; top: 12px; background: var(--accent); color: #fff; padding: 8px 12px; border-radius: 8px; z-index: 10; }

/* Header */
.site-header { border-bottom: 1px solid var(--line); background: rgba(251,251,249,0.85); backdrop-filter: blur(8px); position: sticky; top: 0; z-index: 5; }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { font-weight: 800; font-size: 1.2rem; text-decoration: none; color: var(--fg); letter-spacing: -0.02em; }
.brand .dot { color: var(--accent); }
.site-header nav a { text-decoration: none; color: var(--muted); margin-left: 22px; font-size: 0.95rem; font-weight: 500; }
.site-header nav a:hover { color: var(--accent-dark); }

/* Hero */
.hero { text-align: center; padding: 88px 0 64px; }
.hero h1 { font-size: clamp(2.3rem, 7vw, 3.6rem); line-height: 1.08; letter-spacing: -0.03em; margin: 0 0 18px; }
.hero .sub { color: var(--muted); font-size: 1.2rem; max-width: 560px; margin: 0 auto 32px; }
.pill { display: inline-block; background: #e9f7ee; color: var(--accent-dark); font-weight: 600; font-size: 0.85rem; padding: 6px 14px; border-radius: 999px; margin-bottom: 24px; }

.btn { display: inline-block; text-decoration: none; background: var(--accent); color: #fff; padding: 14px 26px; border-radius: 12px; font-weight: 600; font-size: 1rem; transition: background 0.15s; }
.btn:hover { background: var(--accent-dark); }
.btn.ghost { background: transparent; color: var(--fg); border: 1px solid var(--line); }
.btn.ghost:hover { border-color: var(--accent); color: var(--accent-dark); }
.cta-row { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.note { color: var(--muted); font-size: 0.85rem; margin-top: 14px; }

/* Sections */
.section { padding: 64px 0; }
.section.tint { background: var(--surface); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section h2 { font-size: clamp(1.6rem, 4vw, 2.1rem); letter-spacing: -0.02em; margin: 0 0 12px; text-align: center; }
.section .intro { color: var(--muted); text-align: center; max-width: 600px; margin: 0 auto 44px; }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.step { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 26px; }
.step .num { width: 34px; height: 34px; border-radius: 10px; background: #e9f7ee; color: var(--accent-dark); font-weight: 700; display: grid; place-items: center; margin-bottom: 14px; }
.step h3 { margin: 0 0 8px; font-size: 1.1rem; }
.step p { margin: 0; color: var(--muted); font-size: 0.95rem; }

/* Feature list */
.features { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; max-width: 720px; margin: 0 auto; }
.feature { display: flex; gap: 12px; align-items: flex-start; }
.feature .tick { color: var(--accent); font-weight: 800; flex: none; }
.feature p { margin: 0; }
.feature strong { display: block; }
.feature span { color: var(--muted); font-size: 0.92rem; }

/* Price */
.price-box { max-width: 420px; margin: 0 auto; text-align: center; background: var(--surface); border: 1px solid var(--line); border-radius: 20px; padding: 40px 32px; }
.price-box .amount { font-size: 2.6rem; font-weight: 800; letter-spacing: -0.03em; }
.price-box .once { color: var(--muted); font-size: 0.95rem; margin: 4px 0 20px; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding: 36px 0; background: var(--surface); }
.footer-inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; color: var(--muted); font-size: 0.9rem; align-items: center; }
.footer-inner nav a { color: var(--muted); text-decoration: none; margin-left: 18px; }
.footer-inner nav a:hover { color: var(--accent-dark); }

/* Document / legal */
.doc { padding: 56px 0 72px; }
.doc h1 { font-size: clamp(1.9rem, 5vw, 2.5rem); margin: 0 0 6px; letter-spacing: -0.02em; }
.doc .updated { color: var(--muted); font-size: 0.85rem; margin: 0 0 32px; }
.doc .lead { font-size: 1.1rem; margin-bottom: 8px; }
.doc h2 { font-size: 1.2rem; margin: 36px 0 10px; padding-bottom: 8px; border-bottom: 1px solid var(--line); }
.doc h3 { font-size: 1.02rem; margin: 22px 0 6px; }
.doc p, .doc li { color: var(--muted); }
.doc strong { color: var(--fg); }
.doc ul { padding-left: 20px; }
.doc li { margin: 6px 0; }
.doc .back { display: inline-block; margin-top: 40px; color: var(--muted); text-decoration: none; }
.doc .back:hover { color: var(--accent-dark); }

@media (max-width: 720px) {
  .steps { grid-template-columns: 1fr; }
  .features { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }