:root {
  --brand: #6c5ce7;
  --brand-2: #8b7bff;
  --ink: #14151b;
  --body: #3a3d4d;
  --muted: #8a90a2;
  --bg: #ffffff;
  --soft: #f6f7fc;
  --line: #ececf4;
  --radius: 16px;
  --shadow: 0 20px 50px rgba(30, 20, 90, 0.12);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--body);
  font-family: -apple-system, "Segoe UI", Roboto, Inter, system-ui, sans-serif;
  line-height: 1.6; -webkit-font-smoothing: antialiased;
}
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }
h1, h2, h3 { color: var(--ink); line-height: 1.15; letter-spacing: -0.02em; }
a { text-decoration: none; color: var(--brand); }

/* Buttons */
.btn { display: inline-block; padding: 11px 20px; border-radius: 12px; font-weight: 600;
  transition: transform .12s ease, box-shadow .12s ease, background .12s; cursor: pointer; }
.btn-primary { background: var(--brand); color: #fff; box-shadow: 0 8px 20px rgba(108,92,231,.35); }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 12px 26px rgba(108,92,231,.45); }
.btn-ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.btn-ghost:hover { border-color: var(--brand); color: var(--brand); }
.btn-lg { padding: 14px 26px; font-size: 16px; }
.btn-block { display: block; text-align: center; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 20; background: rgba(255,255,255,.82);
  backdrop-filter: saturate(180%) blur(12px); border-bottom: 1px solid var(--line); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 66px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; color: var(--ink); font-size: 18px; }
.brand img { width: 30px; height: 30px; border-radius: 8px; }
.nav-links { display: flex; align-items: center; gap: 24px; }
.nav-links a { color: var(--body); font-weight: 500; }
.nav-links a:hover { color: var(--brand); }

/* Hero */
.hero { padding: 80px 0 40px; background:
  radial-gradient(1000px 500px at 80% -10%, rgba(108,92,231,.12), transparent 60%); }
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
.pill { display: inline-block; background: var(--soft); color: var(--brand); font-weight: 600;
  font-size: 13px; padding: 6px 12px; border-radius: 999px; border: 1px solid var(--line); }
.hero h1 { font-size: 52px; margin: 18px 0 14px; }
.grad { background: linear-gradient(90deg, var(--brand), var(--brand-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { font-size: 19px; max-width: 34ch; }
.cta-row { display: flex; gap: 12px; margin: 26px 0 12px; flex-wrap: wrap; }
.micro { color: var(--muted); font-size: 13px; }

/* Hero mock */
.hero-art { position: relative; }
.mock { background: #fff; border: 1px solid var(--line); border-radius: 20px; box-shadow: var(--shadow); padding: 12px; }
.mock-row { display: flex; align-items: center; gap: 12px; padding: 14px 12px; border-radius: 12px; }
.mock-row + .mock-row { border-top: 1px solid var(--line); }
.mock-avatar { width: 38px; height: 38px; border-radius: 50%; display: grid; place-items: center;
  color: #fff; font-weight: 700; background: linear-gradient(135deg, var(--brand), var(--brand-2)); }
.mock-meta { flex: 1; min-width: 0; }
.mock-subj { font-weight: 600; color: var(--ink); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mock-to { color: var(--muted); font-size: 13px; }
.mock-status { font-weight: 800; text-align: right; }
.mock-status.read { color: var(--brand); }
.mock-status.sent { color: var(--muted); }
.mock-status small { display: block; font-weight: 500; font-size: 11px; color: var(--muted); }

/* Strip */
.strip { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--soft); }
.strip-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; padding: 26px 0; text-align: center; }
.strip-grid b { display: block; color: var(--ink); font-size: 18px; }
.strip-grid span { color: var(--muted); font-size: 13px; }

/* Sections */
.section { padding: 78px 0; }
.section.alt { background: var(--soft); }
.section-title { font-size: 34px; text-align: center; margin: 0 0 44px; }

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.step { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; }
.step-num { width: 36px; height: 36px; border-radius: 10px; background: var(--brand); color: #fff;
  display: grid; place-items: center; font-weight: 700; margin-bottom: 14px; }
.step h3 { margin: 0 0 8px; }

.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.feature { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.feat-ico { font-size: 26px; margin-bottom: 10px; }
.feature h3 { margin: 0 0 6px; font-size: 18px; }
.feature p { margin: 0; color: var(--body); }

/* Pricing */
.pricing { display: grid; grid-template-columns: repeat(2, minmax(0, 340px)); gap: 24px; justify-content: center; }
.plan { position: relative; background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 30px; }
.plan.featured { border-color: var(--brand); box-shadow: var(--shadow); }
.plan-badge { position: absolute; top: -12px; right: 20px; background: var(--brand); color: #fff;
  font-size: 12px; font-weight: 700; padding: 5px 12px; border-radius: 999px; }
.plan h3 { margin: 0 0 6px; }
.price { font-size: 40px; font-weight: 800; color: var(--ink); margin-bottom: 16px; }
.price span { font-size: 15px; font-weight: 500; color: var(--muted); }
.plan ul { list-style: none; padding: 0; margin: 0 0 22px; }
.plan li { padding: 7px 0; border-bottom: 1px dashed var(--line); }

/* Privacy band */
.privacy-band { text-align: center; max-width: 720px; margin: 0 auto; }
.privacy-lead { font-size: 18px; margin-bottom: 22px; }

/* Install */
.install { background: linear-gradient(135deg, var(--brand), var(--brand-2)); }
.install-band { text-align: center; color: #fff; }
.install-band h2 { color: #fff; font-size: 34px; margin: 0 0 10px; }
.install-band p { color: rgba(255,255,255,.9); }
.install .btn-primary { background: #fff; color: var(--brand); box-shadow: 0 10px 30px rgba(0,0,0,.2); margin: 14px 0 8px; }
.install .micro { color: rgba(255,255,255,.8); }

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding: 34px 0; }
.footer-grid { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.site-footer nav { display: flex; gap: 20px; }
.site-footer nav a { color: var(--body); }
.copy { color: var(--muted); font-size: 13px; }

/* Responsive */
@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 40px; }
  .steps, .feature-grid { grid-template-columns: 1fr; }
  .strip-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing { grid-template-columns: 1fr; }
  .hide-sm { display: none; }
}

@media (prefers-color-scheme: dark) {
  :root { --bg: #101116; --soft: #171922; --ink: #f2f3f8; --body: #c3c7d4; --line: #242633; }
  .site-header { background: rgba(16,17,22,.82); }
  .step, .feature, .plan, .mock { background: #171922; }
}