:root {
  --ink: #0f2b3d;
  --ink-soft: #3d5a6c;
  --muted: #6b8291;
  --paper: #fbf9f4;
  --card: #ffffff;
  --line: #e4ded2;
  --accent: #0f2b3d;
  --accent-warm: #c98a2e;
  --accent-soft: #f5c96b;
  --alt: #f4efe4;
  --radius: 16px;
  --max: 1080px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial,
    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  letter-spacing: -0.01em;
  margin: 0 0 0.6em;
  line-height: 1.15;
}

a { color: var(--ink); }

p { margin: 0 0 1em; }

.wrap { width: min(100% - 40px, var(--max)); margin-inline: auto; }

.small { font-size: 0.875rem; }
.muted { color: var(--muted); }
.center { text-align: center; }

/* header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: saturate(140%) blur(10px);
  background: rgba(251, 249, 244, 0.86);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 14px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.brand-mark {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 9px;
  background: var(--accent);
  color: var(--accent-soft);
  font-family: Georgia, serif;
  font-weight: 700;
  font-size: 1.05rem;
}

.brand-name { font-weight: 650; letter-spacing: 0.01em; }

.nav { display: flex; gap: 22px; font-size: 0.92rem; }
.nav a { text-decoration: none; color: var(--ink-soft); }
.nav a:hover { color: var(--ink); }

/* hero */
.hero {
  padding: 84px 0 72px;
  background:
    radial-gradient(900px 420px at 15% -10%, rgba(245, 201, 107, 0.28), transparent 60%),
    radial-gradient(760px 460px at 92% 8%, rgba(15, 43, 61, 0.10), transparent 62%),
    var(--paper);
}

.hero-inner { max-width: 780px; }

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.72rem;
  color: var(--accent-warm);
  font-weight: 600;
}

h1 { font-size: clamp(2.1rem, 5.4vw, 3.4rem); }

.lede { font-size: 1.08rem; color: var(--ink-soft); max-width: 640px; }

.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }

.btn {
  display: inline-flex;
  align-items: center;
  padding: 12px 20px;
  border-radius: 999px;
  text-decoration: none;
  font-size: 0.94rem;
  font-weight: 600;
  border: 1px solid transparent;
}

.btn-primary { background: var(--accent); color: #fff; }
.btn-disabled { cursor: default; opacity: 0.92; }
.btn-ghost { border-color: var(--line); color: var(--ink); background: #fff; }
.btn-ghost:hover { border-color: var(--ink); }

.hero-note { margin-top: 18px; font-size: 0.86rem; color: var(--muted); }

/* sections */
.section { padding: 72px 0; }
.section-alt { background: var(--alt); }

h2 { font-size: clamp(1.5rem, 3.4vw, 2.1rem); }
.section-lede { color: var(--ink-soft); max-width: 620px; margin-bottom: 36px; }

.grid { display: grid; gap: 18px; }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
}

.card h3 { font-size: 1.06rem; margin-bottom: 8px; }
.card p { margin: 0; color: var(--ink-soft); font-size: 0.95rem; }

/* languages */
.lang-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}

.lang-grid li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px 16px;
}

.lang-native { font-size: 1rem; }
.lang-code {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--muted);
}

/* pricing */
.pricing .plan ul {
  margin: 12px 0 0;
  padding-left: 18px;
  color: var(--ink-soft);
  font-size: 0.94rem;
}

.plan .price {
  font-family: Georgia, serif;
  font-size: 1.5rem;
  margin: 0;
  color: var(--accent-warm);
}

.plan-featured {
  border-color: var(--accent);
  box-shadow: 0 12px 34px rgba(15, 43, 61, 0.10);
}

/* faq */
.faq { margin: 0; max-width: 760px; }
.faq dt { font-weight: 650; margin-top: 22px; }
.faq dd { margin: 6px 0 0; color: var(--ink-soft); }

/* footer */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 40px 0 28px;
  background: var(--paper);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 22px;
}

.footer-links { display: flex; gap: 18px; font-size: 0.9rem; }
.footer-links a { color: var(--ink-soft); text-decoration: none; }
.footer-links a:hover { color: var(--ink); }

/* legal pages */
.legal { padding: 64px 0 80px; }
.legal-inner { max-width: 760px; }
.legal h1 { font-size: clamp(1.8rem, 4vw, 2.4rem); }
.legal h2 { font-size: 1.2rem; margin-top: 34px; }
.legal p, .legal li { color: var(--ink-soft); }
.legal ul { padding-left: 20px; }

@media (max-width: 640px) {
  .nav { gap: 14px; font-size: 0.84rem; }
  .hero { padding: 60px 0 52px; }
  .section { padding: 56px 0; }
}