:root {
  --bg: #fbfbf9;
  --surface: #ffffff;
  --surface-muted: #f4f4f0;
  --text: #1f2528;
  --muted: #5f686d;
  --line: #deded7;
  --accent: #245c53;
  --accent-strong: #183d38;
  --warm: #8a5a2b;
  --shadow: 0 18px 48px rgba(31, 37, 40, 0.06);
}

* {
  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",
    sans-serif;
  font-size: 16px;
  line-height: 1.6;
}

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

a:hover {
  color: var(--accent);
}

p,
h1,
h2,
h3 {
  margin-top: 0;
}

p {
  color: var(--muted);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(251, 251, 249, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.nav {
  width: min(1120px, calc(100% - 40px));
  min-height: 72px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  color: var(--text);
  font-size: 1.08rem;
  font-weight: 720;
  letter-spacing: 0;
  white-space: nowrap;
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 22px;
  color: var(--muted);
  font-size: 0.95rem;
}

.section {
  padding: 72px 0;
}

.section-inner {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.hero {
  border-bottom: 1px solid var(--line);
}

.hero-inner {
  min-height: 440px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
}

.eyebrow,
.product-label {
  margin-bottom: 12px;
  color: var(--warm);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

h1 {
  max-width: 760px;
  margin-bottom: 22px;
  font-size: clamp(2.75rem, 6vw, 5.4rem);
  line-height: 0.98;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(1.9rem, 3vw, 2.75rem);
  line-height: 1.08;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 14px;
  font-size: 1.45rem;
  line-height: 1.2;
}

.hero-copy {
  max-width: 660px;
  margin-bottom: 32px;
  font-size: 1.16rem;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 11px 18px;
  font-weight: 680;
  line-height: 1.2;
  transition:
    background-color 160ms ease,
    border-color 160ms ease,
    color 160ms ease;
}

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

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

.button.secondary {
  background: var(--surface);
  color: var(--text);
}

.button.secondary:hover {
  border-color: var(--accent);
}

.button.disabled,
.button:disabled {
  background: var(--surface-muted);
  color: #7d8588;
  cursor: not-allowed;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 32px;
}

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

.product-card {
  min-height: 100%;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 28px;
  box-shadow: var(--shadow);
}

.product-card p {
  margin-bottom: 20px;
}

.product-card ul {
  margin: 0;
  padding-left: 20px;
  color: var(--text);
}

.product-card li + li {
  margin-top: 8px;
}

.product-detail-section {
  padding: 56px 0;
  border-top: 1px solid var(--line);
}

.product-detail {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: 40px;
  align-items: start;
}

.detail-copy p {
  margin-bottom: 24px;
}

.contact-section {
  padding-top: 48px;
}

.contact-box {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 28px;
}

.contact-box p {
  margin-bottom: 8px;
}

.contact-box a {
  color: var(--accent);
  font-size: 1.2rem;
  font-weight: 720;
  overflow-wrap: anywhere;
}

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

.footer-inner {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.footer-inner p {
  margin: 0;
  color: var(--text);
  font-weight: 700;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 12px 18px;
  color: var(--muted);
  font-size: 0.94rem;
}

.policy-main {
  width: min(820px, calc(100% - 40px));
  margin: 0 auto;
  padding: 64px 0 80px;
}

.policy-main h1 {
  margin-bottom: 12px;
  font-size: clamp(2.2rem, 5vw, 3.7rem);
  line-height: 1.05;
}

.last-updated {
  margin-bottom: 36px;
  color: var(--warm);
  font-weight: 700;
}

.policy-section {
  padding: 28px 0;
  border-top: 1px solid var(--line);
}

.policy-section h2 {
  font-size: 1.35rem;
}

.policy-section ul {
  margin: 0;
  padding-left: 20px;
}

.back-link {
  display: inline-flex;
  margin-top: 28px;
  color: var(--accent);
  font-weight: 700;
}

@media (max-width: 760px) {
  .nav {
    min-height: auto;
    padding: 18px 0;
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-links {
    width: 100%;
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: 10px 16px;
  }

  .section {
    padding: 54px 0;
  }

  .hero-inner {
    min-height: 390px;
  }

  .hero-copy {
    font-size: 1.05rem;
  }

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

  .product-detail {
    gap: 18px;
  }

  .product-card,
  .contact-box {
    padding: 22px;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .footer-links {
    justify-content: flex-start;
  }
}