:root {
  --ink: #12181f;
  --ink-soft: #4a5568;
  --bg: #ffffff;
  --bg-alt: #f6f8fa;
  --line: #e2e8f0;
  --brand: #1f3d5c;
  --brand-strong: #16283b;
  --accent: #d64545;
  --accent-soft: #fdeceb;
  --radius: 10px;
  font-size: 16px;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.5;
}
a { color: var(--brand); }
.wrap { max-width: 1100px; margin: 0 auto; padding: 0 24px; }

header.site {
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; background: rgba(255,255,255,0.92); backdrop-filter: blur(6px);
  z-index: 10;
}
header.site .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.15rem; }
.logo .mark { width: 28px; height: 28px; border-radius: 7px; background: var(--brand); display: inline-flex; align-items: center; justify-content: center; color: white; font-size: 15px; }
nav.site-nav { display: flex; gap: 28px; font-size: 0.95rem; }
nav.site-nav a { color: var(--ink-soft); text-decoration: none; }
nav.site-nav a:hover { color: var(--ink); }
.btn {
  display: inline-block; padding: 10px 20px; border-radius: 8px; font-weight: 600;
  font-size: 0.95rem; text-decoration: none; cursor: pointer; border: 1px solid transparent;
}
.btn-primary { background: var(--brand); color: white; }
.btn-primary:hover { background: var(--brand-strong); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { background: var(--bg-alt); }
.btn-block { display: block; width: 100%; text-align: center; }

.hero { padding: 72px 0 56px; }
.hero .kicker { color: var(--accent); font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; font-size: 0.8rem; margin-bottom: 14px; }
.hero h1 { font-size: 2.6rem; line-height: 1.15; margin: 0 0 18px; max-width: 780px; }
.hero p.lead { font-size: 1.15rem; color: var(--ink-soft); max-width: 640px; margin: 0 0 28px; }
.hero .cta-row { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; }
.hero .cta-note { font-size: 0.85rem; color: var(--ink-soft); }

section { padding: 56px 0; }
section.alt { background: var(--bg-alt); }
h2.section-title { font-size: 1.7rem; margin: 0 0 10px; }
p.section-sub { color: var(--ink-soft); margin: 0 0 36px; max-width: 640px; }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
@media (max-width: 800px) { .grid-3, .grid-2 { grid-template-columns: 1fr; } }

.card {
  background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px;
}
.value-card .icon { width: 40px; height: 40px; border-radius: 9px; background: var(--accent-soft); color: var(--accent); display: flex; align-items: center; justify-content: center; font-weight: 700; margin-bottom: 14px; }
.value-card h3 { margin: 0 0 8px; font-size: 1.05rem; }
.value-card p { margin: 0; color: var(--ink-soft); font-size: 0.94rem; }

.pricing-card { display: flex; flex-direction: column; position: relative; }
.pricing-card.featured { border-color: var(--brand); box-shadow: 0 0 0 1px var(--brand); }
.pricing-card .badge { position: absolute; top: -12px; right: 20px; background: var(--brand); color: white; font-size: 0.72rem; font-weight: 700; padding: 4px 10px; border-radius: 100px; }
.pricing-card h3 { margin: 6px 0 4px; font-size: 1.1rem; }
.pricing-card .price { font-size: 1.9rem; font-weight: 700; margin: 6px 0 4px; }
.pricing-card .price span { font-size: 0.95rem; font-weight: 400; color: var(--ink-soft); }
.pricing-card .price-note { font-size: 0.8rem; color: var(--ink-soft); margin-bottom: 18px; min-height: 32px; }
.pricing-card ul { list-style: none; margin: 0 0 22px; padding: 0; flex: 1; }
.pricing-card li { padding: 7px 0; border-top: 1px solid var(--line); font-size: 0.9rem; color: var(--ink-soft); }
.pricing-card li:first-child { border-top: none; }

.compare { border-collapse: collapse; width: 100%; font-size: 0.92rem; }
.compare th, .compare td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); }
.compare th { color: var(--ink-soft); font-weight: 600; font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.03em; }
.compare td.us { font-weight: 600; }

form.stacked { display: flex; flex-direction: column; gap: 14px; max-width: 440px; }
form.stacked label { font-size: 0.85rem; font-weight: 600; margin-bottom: -8px; }
form.stacked input, form.stacked select, form.stacked textarea {
  padding: 10px 12px; border: 1px solid var(--line); border-radius: 7px; font-size: 0.95rem; font-family: inherit;
}
form.stacked textarea { min-height: 90px; resize: vertical; }
.form-msg { font-size: 0.88rem; padding: 10px 12px; border-radius: 7px; display: none; }
.form-msg.ok { display: block; background: #e9f8ee; color: #1b6b34; }
.form-msg.err { display: block; background: var(--accent-soft); color: #a12a2a; }

.signup-panel { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
@media (max-width: 800px) { .signup-panel { grid-template-columns: 1fr; } }

footer.site { border-top: 1px solid var(--line); padding: 36px 0; color: var(--ink-soft); font-size: 0.85rem; }
footer.site .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }