:root {
  --paper: #f5f0e7;
  --ink: #172231;
  --ink-soft: #536173;
  --line: #d9d2c6;
  --warm: #fff7eb;
  --cool: #eef7f4;
  --accent: #0d6b73;
  --accent-strong: #172231;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: linear-gradient(180deg, #faf7f1 0%, var(--paper) 100%);
  font-family:
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    "PingFang SC",
    "Microsoft YaHei",
    sans-serif;
}

a {
  color: inherit;
  text-decoration: none;
}

.shell {
  width: min(1080px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 20px 0 32px;
}

.topbar,
.actions,
.grid,
.cta-card,
.footer {
  display: flex;
}

.topbar,
.cta-card,
.footer {
  justify-content: space-between;
  align-items: center;
}

.topbar {
  gap: 20px;
  padding-bottom: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #df7a4e, #f1c56f);
  color: #fff;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand-text span,
.lead,
.card p,
.panel li,
.footer,
.lang-link {
  color: var(--ink-soft);
}

.topnav {
  display: inline-flex;
  gap: 12px;
}

.lang-link {
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid transparent;
}

.nav-link,
.footer-link {
  color: var(--ink-soft);
}

.lang-link.is-active {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.75);
  color: var(--ink);
}

.hero {
  padding: 18px 0 42px;
}

.hero-compact {
  padding-bottom: 24px;
}

.eyebrow,
.kicker {
  margin: 0 0 12px;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

h1,
h2 {
  margin: 0;
  font-family:
    "Iowan Old Style",
    "Palatino Linotype",
    "Noto Serif SC",
    Georgia,
    serif;
  line-height: 1.04;
}

h1 {
  max-width: 10ch;
  font-size: clamp(2.5rem, 7vw, 4.8rem);
}

h2 {
  font-size: clamp(1.55rem, 3vw, 2.35rem);
}

.lead {
  max-width: 56ch;
  margin: 18px 0 0;
  font-size: 1.06rem;
  line-height: 1.75;
}

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

.button {
  min-height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
}

.button-primary {
  background: var(--accent-strong);
  color: #fff;
}

.button-secondary {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.72);
}

.grid {
  gap: 16px;
}

.grid-three {
  flex-wrap: wrap;
}

.grid-three > * {
  flex: 1 1 260px;
}

.grid-two {
  flex-wrap: wrap;
}

.grid-two > * {
  flex: 1 1 320px;
}

.section-block,
.cta,
.content-block {
  margin-top: 18px;
}

.card,
.panel,
.cta-card {
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 22px;
}

.card {
  background: rgba(255, 255, 255, 0.72);
}

.content-block {
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 22px;
  background: rgba(255, 255, 255, 0.62);
}

.panel-warm {
  background: var(--warm);
}

.panel-cool {
  background: var(--cool);
}

.panel ul {
  margin: 18px 0 0;
  padding-left: 20px;
  line-height: 1.8;
}

.help-list {
  margin: 16px 0 0;
  padding-left: 20px;
  line-height: 1.85;
}

.cta-card {
  gap: 16px;
  flex-wrap: wrap;
  background: linear-gradient(135deg, #1a2738, #1f5a49);
  color: #fff;
}

.cta-card .eyebrow {
  color: #f0c770;
}

.footer {
  flex-wrap: wrap;
  gap: 8px 20px;
  padding-top: 24px;
  font-size: 0.95rem;
}

@media (max-width: 720px) {
  .shell {
    width: min(1080px, calc(100vw - 24px));
    padding-top: 14px;
  }

  .topbar,
  .cta-card,
  .footer {
    align-items: flex-start;
  }

  .topbar,
  .cta-card,
  .footer,
  .actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }
}