:root {
  color-scheme: light;
  --bg: #f5f7f8;
  --surface: #ffffff;
  --surface-soft: #eef5f6;
  --text: #17222b;
  --muted: #5a6b78;
  --line: #d9e2e7;
  --accent: #0f6f7f;
  --accent-strong: #0a5260;
  --warning-bg: #fff7e6;
  --warning-line: #efb348;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  color: var(--accent-strong);
  text-decoration: underline;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(20px, 5vw, 72px);
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.brand {
  color: var(--text);
  font-size: 18px;
  font-weight: 800;
}

nav {
  display: flex;
  gap: 18px;
  font-size: 14px;
  font-weight: 700;
}

main {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 28px;
  align-items: stretch;
  padding: 64px 0 36px;
}

.hero-copy,
.price-card,
article,
.notice,
.contact,
.legal {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: 0 16px 40px rgba(26, 50, 64, 0.07);
}

.hero-copy {
  padding: clamp(28px, 5vw, 52px);
}

.badge,
.eyebrow {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  border-radius: 999px;
  background: var(--surface-soft);
  color: var(--accent-strong);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
}

.badge {
  padding: 6px 12px;
}

.eyebrow {
  margin: 0 0 10px;
  padding: 4px 10px;
  text-transform: uppercase;
}

h1 {
  margin: 18px 0 14px;
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.02;
  letter-spacing: 0;
}

h2 {
  margin: 0 0 12px;
  font-size: 22px;
  line-height: 1.2;
  letter-spacing: 0;
}

p {
  margin: 0 0 14px;
  color: var(--muted);
}

ul {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
}

.hero-copy > p {
  max-width: 720px;
  font-size: 18px;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  border-radius: 8px;
  font-weight: 800;
}

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

.button.secondary {
  background: var(--surface-soft);
  color: var(--accent-strong);
}

.button:hover {
  text-decoration: none;
}

.price-card {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 30px;
}

.price-card strong {
  display: block;
  font-size: 42px;
  line-height: 1;
}

.price-card span {
  display: block;
  margin: 8px 0 18px;
  color: var(--muted);
  font-weight: 700;
}

.content-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin: 10px 0 18px;
}

article,
.notice,
.contact {
  padding: 26px;
}

.notice {
  border-color: var(--warning-line);
  background: var(--warning-bg);
}

.contact {
  margin: 18px 0 42px;
}

.legal {
  margin: 42px auto;
  padding: clamp(26px, 5vw, 52px);
}

.legal h1 {
  font-size: clamp(32px, 4vw, 48px);
}

.legal h2 {
  margin-top: 28px;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 22px clamp(20px, 5vw, 72px);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 760px) {
  .site-header,
  footer {
    align-items: flex-start;
    flex-direction: column;
  }

  nav {
    flex-wrap: wrap;
  }

  .hero,
  .content-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 34px;
  }
}