/* LibraryCaptain marketing site - plain CSS, no build step. */
:root {
  --bg: #ffffff;
  --bg-soft: #f6f8fc;
  --surface: #ffffff;
  --text: #0f172a;
  --text-soft: #475569;
  --text-faint: #64748b;
  --line: #e2e8f0;
  --brand: #2563eb;
  --brand-dark: #1d4ed8;
  --brand-soft: #eaf1ff;
  --green: #059669;
  --green-soft: #e7f7f0;
  --red: #e11d48;
  --red-soft: #fdecef;
  --amber: #b45309;
  --amber-soft: #fef3e2;
  --radius: 16px;
  --shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
  --max: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; display: block; }
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 20px; }
section { padding: 72px 0; }
.soft { background: var(--bg-soft); }

h1, h2, h3 { line-height: 1.2; letter-spacing: -0.02em; margin: 0; }
h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); font-weight: 800; }
h2 { font-size: clamp(1.7rem, 3.5vw, 2.4rem); font-weight: 800; }
h3 { font-size: 1.15rem; font-weight: 700; }
p { margin: 0; }

.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brand);
  background: var(--brand-soft);
  padding: 6px 12px;
  border-radius: 999px;
}
.section-head { max-width: 680px; margin: 0 auto 44px; text-align: center; display: grid; gap: 14px; justify-items: center; }
.section-head p { color: var(--text-soft); font-size: 1.05rem; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px; padding: 0 22px; border-radius: 12px;
  font-weight: 700; font-size: 1rem; border: 1px solid transparent; cursor: pointer;
  transition: transform 0.12s ease, background 0.12s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-dark); }
.btn-ghost { background: #fff; color: var(--text); border-color: var(--line); }
.btn-whatsapp { background: #128c7e; color: #fff; }
.btn-whatsapp:hover { background: #0f7a6d; }
.btn-block { width: 100%; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, 0.92); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; min-height: 68px; gap: 16px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.15rem; color: var(--text); letter-spacing: -0.01em; }
.logo:hover { text-decoration: none; }
.logo-mark { width: 36px; height: 36px; border-radius: 10px; display: block; }
.nav-links { display: flex; align-items: center; gap: 26px; }
.nav-links a { color: var(--text-soft); font-weight: 600; font-size: 0.95rem; }
.nav-links a:hover { color: var(--text); text-decoration: none; }
.nav .btn { min-height: 42px; padding: 0 18px; font-size: 0.95rem; }

/* Hero */
.hero { padding: 64px 0 40px; background: linear-gradient(180deg, var(--bg-soft), #fff 70%); }
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 48px; align-items: center; }
.hero-copy { display: grid; gap: 22px; }
.hero-copy p.lead { font-size: 1.15rem; color: var(--text-soft); max-width: 520px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-note { display: flex; flex-wrap: wrap; gap: 8px 18px; color: var(--text-faint); font-size: 0.9rem; font-weight: 600; }
.hero-note span::before { content: "✓ "; color: var(--green); }

/* Dashboard preview (built in HTML so it stays sharp and needs no images) */
.preview { background: var(--surface); border: 1px solid var(--line); border-radius: 22px; box-shadow: var(--shadow); padding: 18px; display: grid; gap: 14px; }
.preview-top { display: flex; align-items: center; justify-content: space-between; }
.preview-top strong { font-size: 1rem; }
.preview-top small { color: var(--text-faint); font-weight: 600; }
.stat-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.stat { background: var(--bg-soft); border-radius: 12px; padding: 12px; }
.stat b { display: block; font-size: 1.35rem; letter-spacing: -0.02em; }
.stat span { font-size: 0.78rem; color: var(--text-faint); font-weight: 600; }
.seat-grid { display: grid; grid-template-columns: repeat(8, 1fr); gap: 6px; }
.seat { aspect-ratio: 1; border-radius: 8px; display: grid; place-items: center; font-size: 0.68rem; font-weight: 700; color: #fff; }
.seat.free { background: var(--green-soft); color: var(--green); }
.seat.taken { background: #1e293b; }
.seat.soon { background: var(--amber-soft); color: var(--amber); }
.seat.ended { background: var(--red-soft); color: var(--red); }
.legend { display: flex; flex-wrap: wrap; gap: 6px 14px; font-size: 0.78rem; color: var(--text-faint); font-weight: 600; }
.legend i { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 6px; vertical-align: -1px; }
.renewal { display: flex; align-items: center; justify-content: space-between; border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px; font-size: 0.9rem; }
.renewal b { display: block; font-size: 0.95rem; }
.renewal span { color: var(--text-faint); font-size: 0.8rem; }
.pill { font-size: 0.75rem; font-weight: 700; padding: 4px 10px; border-radius: 999px; }
.pill.amber { background: var(--amber-soft); color: var(--amber); }
.pill.red { background: var(--red-soft); color: var(--red); }
.sample { text-align: center; color: var(--text-faint); font-size: 0.75rem; }

/* Compare */
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.compare-card { border-radius: var(--radius); padding: 28px; border: 1px solid var(--line); background: var(--surface); }
.compare-card.old { background: var(--red-soft); border-color: #f8cdd5; }
.compare-card.new { background: var(--green-soft); border-color: #bfe8d6; }
.compare-card h3 { margin-bottom: 14px; }
.compare-card ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.compare-card li { display: flex; gap: 10px; color: var(--text-soft); }
.compare-card.old li::before { content: "✕"; color: var(--red); font-weight: 800; }
.compare-card.new li::before { content: "✓"; color: var(--green); font-weight: 800; }

/* Features */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; display: grid; gap: 10px; align-content: start; }
.card p { color: var(--text-soft); font-size: 0.97rem; }
.icon { width: 46px; height: 46px; border-radius: 12px; background: var(--brand-soft); display: grid; place-items: center; font-size: 1.35rem; margin-bottom: 6px; }
.soon-tag { font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; background: var(--bg-soft); color: var(--text-faint); padding: 3px 8px; border-radius: 999px; margin-left: 8px; vertical-align: 2px; }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; counter-reset: step; }
.step { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; display: grid; gap: 10px; }
.step::before {
  counter-increment: step; content: counter(step);
  width: 38px; height: 38px; border-radius: 50%; background: var(--text); color: #fff;
  display: grid; place-items: center; font-weight: 800;
}
.step p { color: var(--text-soft); }

/* Pricing */
.pricing { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; align-items: stretch; }
.plan { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; display: grid; gap: 16px; align-content: start; position: relative; }
.plan.featured { border: 2px solid var(--brand); box-shadow: var(--shadow); }
.plan .badge { position: absolute; top: -13px; right: 20px; background: var(--brand); color: #fff; font-size: 0.72rem; font-weight: 800; letter-spacing: 0.06em; text-transform: uppercase; padding: 5px 12px; border-radius: 999px; }
.plan .price { font-size: 2.4rem; font-weight: 800; letter-spacing: -0.03em; }
.plan .price small { font-size: 0.95rem; font-weight: 600; color: var(--text-faint); letter-spacing: 0; }
.plan .sub { color: var(--text-faint); font-size: 0.9rem; margin-top: -8px; }
.plan ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.plan li { display: flex; gap: 10px; font-size: 0.96rem; }
.plan li::before { content: "✓"; color: var(--green); font-weight: 800; }
.pricing-note { text-align: center; color: var(--text-faint); font-size: 0.92rem; margin-top: 22px; }

/* FAQ */
.faq { max-width: 780px; margin: 0 auto; display: grid; gap: 12px; }
.faq details { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 4px 20px; }
.faq summary { cursor: pointer; font-weight: 700; padding: 16px 0; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 1.4rem; color: var(--brand); line-height: 1; }
.faq details[open] summary::after { content: "−"; }
.faq details p { color: var(--text-soft); padding: 0 0 18px; }

/* CTA */
.cta { background: var(--text); color: #fff; border-radius: 24px; padding: 56px 28px; text-align: center; display: grid; gap: 18px; justify-items: center; }
.cta p { color: #cbd5e1; max-width: 520px; }
.cta .hero-actions { justify-content: center; }
.cta .btn-ghost { background: transparent; color: #fff; border-color: #475569; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding: 40px 0; margin-top: 72px; color: var(--text-soft); font-size: 0.93rem; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 28px; }
.footer-grid h4 { margin: 0 0 10px; color: var(--text); font-size: 0.9rem; }
.footer-grid a { display: block; color: var(--text-soft); padding: 3px 0; }
.footer-bottom { border-top: 1px solid var(--line); margin-top: 28px; padding-top: 20px; color: var(--text-faint); font-size: 0.85rem; }

/* Legal pages */
.legal { max-width: 780px; margin: 0 auto; padding: 56px 20px 0; }
.legal h1 { font-size: clamp(1.9rem, 4vw, 2.6rem); margin-bottom: 8px; }
.legal .updated { color: var(--text-faint); margin-bottom: 32px; }
.legal h2 { font-size: 1.3rem; margin: 34px 0 10px; letter-spacing: -0.01em; }
.legal p, .legal li { color: var(--text-soft); }
.legal p + p { margin-top: 12px; }
.legal ul { padding-left: 22px; display: grid; gap: 6px; }

/* Responsive */
@media (max-width: 900px) {
  section { padding: 56px 0; }
  .hero-grid, .compare, .grid-3, .steps, .pricing, .footer-grid { grid-template-columns: 1fr; }
  .nav-links a:not(.btn) { display: none; }
  .hero { padding-top: 40px; }
}
@media (max-width: 480px) {
  .stat-row { grid-template-columns: repeat(3, 1fr); gap: 8px; }
  .hero-actions .btn { width: 100%; }
}