/* LedgerLine Data — light, professional, system fonts, no frameworks */

:root {
  --ink: #1a2332;
  --muted: #5b6675;
  --line: #e3e8ef;
  --bg: #ffffff;
  --bg-alt: #f5f7fa;
  --accent: #0b5ed7;
  --accent-dark: #0847a3;
  --accent-soft: #e8f0fd;
  --ok: #0f7b3d;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container { max-width: 1080px; margin: 0 auto; padding: 0 20px; }

/* Header */
.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 10;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.brand {
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: -0.01em;
}
.brand span { color: var(--accent); }
.nav { display: flex; align-items: center; gap: 20px; }
.nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
}
.nav a:hover { color: var(--ink); }

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); }
.btn-ghost { background: transparent; color: var(--accent); border-color: var(--accent); }
.btn-ghost:hover { background: var(--accent-soft); }
.btn-small { padding: 8px 16px; font-size: 0.85rem; }
.btn-block { display: block; text-align: center; width: 100%; }

/* Hero */
.hero {
  padding: 72px 0 56px;
  background: linear-gradient(180deg, var(--bg-alt) 0%, var(--bg) 100%);
  text-align: center;
}
.hero h1 {
  font-size: clamp(1.9rem, 4.5vw, 3rem);
  line-height: 1.15;
  margin: 0 auto 16px;
  max-width: 760px;
  letter-spacing: -0.02em;
}
.lede {
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 640px;
  margin: 0 auto 28px;
}
.hero-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.hero-stats {
  list-style: none;
  display: flex;
  gap: 40px;
  justify-content: center;
  padding: 0;
  margin: 40px 0 0;
  flex-wrap: wrap;
}
.hero-stats li { font-size: 0.95rem; color: var(--muted); }
.hero-stats strong { display: block; font-size: 1.6rem; color: var(--ink); }

/* Sections */
.section { padding: 64px 0; }
.section-alt { background: var(--bg-alt); }
.section h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin: 0 0 8px;
  letter-spacing: -0.01em;
}
.section-sub { color: var(--muted); margin: 0 0 32px; max-width: 640px; }

/* Cards */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}
.card {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  background: var(--bg);
}
.card h3 { margin: 0 0 10px; font-size: 1.2rem; }
.card-desc { color: var(--muted); font-size: 0.95rem; margin: 0 0 16px; flex-grow: 1; }
.card-meta { list-style: none; padding: 0; margin: 0 0 20px; font-size: 0.9rem; color: var(--muted); }
.card-meta li { padding: 4px 0; border-bottom: 1px dashed var(--line); }
.card-meta li:last-child { border-bottom: none; }
.card-meta strong { color: var(--ink); }
.card-price { font-size: 2rem; font-weight: 700; margin: 0 0 16px; }

/* Bundle */
.bundle {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 40px;
  align-items: center;
}
.bundle-list { list-style: none; padding: 0; margin: 0 0 0; }
.bundle-list li { padding: 6px 0 6px 24px; position: relative; }
.bundle-list li::before { content: "✓"; position: absolute; left: 0; color: var(--ok); font-weight: 700; }
.bundle-cta {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 28px;
  background: var(--bg);
  text-align: center;
}
.bundle-price { font-size: 2.4rem; font-weight: 700; margin-bottom: 16px; }
.bundle-price .was { font-size: 1.1rem; color: var(--muted); text-decoration: line-through; font-weight: 500; margin-right: 8px; }

/* Table */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 10px; }
table { width: 100%; border-collapse: collapse; font-size: 0.9rem; min-width: 640px; }
th, td { text-align: left; padding: 12px 16px; border-bottom: 1px solid var(--line); }
th { background: var(--bg-alt); font-weight: 600; }
tbody tr:last-child td { border-bottom: none; }

/* FAQ */
.faq { max-width: 760px; }
details {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 16px 20px;
  margin-bottom: 12px;
  background: var(--bg);
}
summary { cursor: pointer; font-weight: 600; }
details p { color: var(--muted); margin: 12px 0 0; }
code { background: var(--bg-alt); padding: 2px 6px; border-radius: 4px; font-size: 0.85em; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  background: var(--bg-alt);
  padding: 40px 0;
  font-size: 0.9rem;
  color: var(--muted);
}
.footer-brand { margin: 0 0 8px; }
.site-footer p { margin: 6px 0; }
.site-footer a { color: var(--accent); }
.fine { font-size: 0.82rem; color: var(--muted); }

/* Responsive */
@media (max-width: 720px) {
  .nav { gap: 12px; }
  .nav a:not(.btn) { display: none; }
  .bundle { grid-template-columns: 1fr; gap: 24px; }
  .hero { padding: 48px 0 40px; }
  .section { padding: 48px 0; }
}