:root {
  --bg: #f6f1e8;
  --surface: #ffffff;
  --surface-alt: #fff8ef;
  --ink: #1d1c1d;
  --muted: #5c564e;
  --accent: #e83a5b;
  --border: #e6d9c8;
  --shadow: 0 18px 40px rgba(29, 28, 29, 0.08);
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(232, 58, 91, 0.08), transparent 30%),
    radial-gradient(circle at top right, rgba(29, 28, 29, 0.04), transparent 26%),
    var(--bg);
}

a {
  color: inherit;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(14px);
  background: rgba(246, 241, 232, 0.82);
  border-bottom: 1px solid rgba(29, 28, 29, 0.08);
}

.site-header__inner,
.site-footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 0;
}

.site-brand {
  font-size: 22px;
  font-weight: 900;
  text-decoration: none;
  letter-spacing: 0;
  white-space: nowrap;
}

.site-nav {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.site-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.72);
  text-decoration: none;
  font-weight: 700;
}

.hero {
  padding: 42px 0 12px;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1.4fr 0.9fr;
  gap: 18px;
  align-items: stretch;
}

.hero__copy,
.hero__panel,
.info-card,
.install-card {
  border: 1px solid var(--border);
  border-radius: 24px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.hero__copy {
  padding: 34px;
}

.hero__copy h1,
.info-card h2,
.install-card h2 {
  margin: 10px 0 14px;
  font-size: clamp(30px, 4vw, 54px);
  line-height: 1.02;
  letter-spacing: 0;
}

.hero__copy p,
.info-card p,
.install-card p,
.site-footer p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
  font-size: 16px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  background: #fff1f3;
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.hero__actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 24px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid var(--border);
  font-weight: 800;
  text-decoration: none;
}

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

.button--ghost {
  background: rgba(255, 255, 255, 0.75);
}

.button--wide {
  min-width: 220px;
}

.hero__panel {
  padding: 24px;
  background: linear-gradient(135deg, #1f1d1f, #353035);
  color: #fff;
}

.hero__panel-card h2 {
  margin: 0 0 14px;
  font-size: 22px;
}

.hero__panel-card ul {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 10px;
}

.content-block {
  padding: 18px 0;
}

.content-block--alt .info-card {
  background: linear-gradient(180deg, #fffdf9, #fff);
}

.content-block--install {
  padding-bottom: 42px;
}

.info-card,
.install-card {
  padding: 28px;
}

.info-card--split {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 20px;
}

.info-card__notes {
  display: grid;
  gap: 12px;
  align-content: start;
}

.info-card__notes p {
  padding: 14px 16px;
  border-radius: 18px;
  background: var(--surface-alt);
  border: 1px solid var(--border);
  color: var(--ink);
}

.install-card {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 22px;
  align-items: center;
  background: linear-gradient(135deg, #fff, #fffaf3);
}

.install-card__actions {
  display: grid;
  gap: 12px;
  justify-items: start;
}

.install-card__hint {
  font-size: 14px;
}

.site-footer {
  border-top: 1px solid rgba(29, 28, 29, 0.08);
  background: rgba(255, 248, 239, 0.92);
}

.site-footer__inner {
  align-items: flex-start;
  padding: 24px 0 30px;
}

.site-footer strong {
  display: block;
  font-size: 18px;
  margin-bottom: 8px;
}

.site-footer__contacts {
  display: grid;
  gap: 10px;
  text-align: right;
}

.site-footer__contacts span {
  color: var(--muted);
}

.site-footer a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 700;
}

@media (max-width: 900px) {
  .site-header__inner,
  .site-footer__inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-nav {
    justify-content: flex-start;
  }

  .hero__inner,
  .info-card--split,
  .install-card {
    grid-template-columns: 1fr;
  }

  .hero__copy,
  .hero__panel,
  .info-card,
  .install-card {
    padding: 22px;
    border-radius: 20px;
  }

  .site-footer__contacts {
    text-align: left;
  }
}