:root {
  color-scheme: light;
  --bg: #f6f7f9;
  --panel: #ffffff;
  --text: #17202a;
  --muted: #647184;
  --line: #dfe5ee;
  --primary: #146ef5;
  --primary-dark: #0f55bd;
  --ink: #0f172a;
  --soft: #eef5ff;
  --green: #087443;
  --warning: #8a4b0f;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  line-height: 1.5;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 5;
  border-bottom: 1px solid rgba(223, 229, 238, 0.85);
  background: rgba(246, 247, 249, 0.9);
  backdrop-filter: blur(14px);
}

.nav {
  max-width: 1120px;
  margin: 0 auto;
  padding: 14px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 800;
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  background: var(--ink);
  color: #fff;
  font-weight: 900;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  color: var(--muted);
  font-size: 14px;
}

.nav-links a {
  text-decoration: none;
}

.language-link {
  color: var(--primary);
  font-weight: 800;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 10px 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  color: var(--text);
  font-weight: 700;
  text-decoration: none;
}

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

.button.primary:hover {
  background: var(--primary-dark);
}

.hero {
  max-width: 1120px;
  margin: 0 auto;
  padding: 72px 22px 44px;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(320px, 0.78fr);
  align-items: center;
  gap: 44px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--primary);
  font-weight: 800;
}

h1 {
  margin: 0;
  max-width: 760px;
  color: var(--ink);
  font-size: clamp(42px, 7vw, 78px);
  line-height: 0.98;
  letter-spacing: 0;
}

.lead {
  margin: 22px 0 0;
  max-width: 640px;
  color: var(--muted);
  font-size: 19px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
  color: var(--muted);
  font-size: 13px;
}

.pill {
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel);
}

.product-preview {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 22px 56px rgba(15, 23, 42, 0.12);
  overflow: hidden;
}

.preview-top {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 14px;
  border-bottom: 1px solid var(--line);
  background: #fbfcfe;
  font-weight: 800;
}

.preview-body {
  padding: 18px;
}

.summary-box {
  margin: 0 0 12px;
  padding: 14px;
  border-radius: 8px;
  background: var(--soft);
}

.summary-box strong {
  display: block;
  margin-bottom: 6px;
}

.preview-list {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
}

.section {
  max-width: 1120px;
  margin: 0 auto;
  padding: 54px 22px;
}

.section-title {
  max-width: 720px;
  margin-bottom: 26px;
}

.section-title h2,
.page-title h1 {
  margin: 0;
  color: var(--ink);
  font-size: 34px;
  line-height: 1.12;
}

.section-title p,
.page-title p {
  margin: 12px 0 0;
  color: var(--muted);
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.feature,
.price-card,
.policy-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  padding: 20px;
}

.feature h3,
.price-card h3,
.policy-card h2 {
  margin: 0 0 8px;
  color: var(--ink);
}

.feature p,
.price-card p,
.policy-card p,
.policy-card li {
  color: var(--muted);
}

.price-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.price-card.featured {
  border-color: var(--primary);
  box-shadow: 0 16px 40px rgba(20, 110, 245, 0.16);
}

.price {
  margin: 16px 0;
  color: var(--ink);
  font-size: 34px;
  font-weight: 900;
}

.price span {
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
}

.price-card ul {
  padding-left: 18px;
  color: var(--muted);
}

.notice {
  margin-top: 18px;
  border: 1px solid #f0c48a;
  border-radius: 8px;
  background: #fff8ed;
  padding: 14px;
  color: var(--warning);
}

.page {
  max-width: 900px;
  margin: 0 auto;
  padding: 56px 22px 72px;
}

.page-title {
  margin-bottom: 24px;
}

.policy-card {
  margin-bottom: 14px;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: var(--panel);
}

.footer-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 28px 22px;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  color: var(--muted);
  font-size: 14px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.footer-links a {
  text-decoration: none;
}

@media (max-width: 820px) {
  .nav {
    align-items: flex-start;
  }

  .nav-links {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr;
    padding-top: 48px;
  }

  h1 {
    font-size: 46px;
  }

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

  .footer-inner {
    flex-direction: column;
  }
}