:root {
  --bg: #f6f8fb;
  --surface: #ffffff;
  --text: #152235;
  --muted: #667387;
  --line: #dde4ec;
  --accent: #315f85;
  --accent-soft: #edf3f8;
  --max: 1120px;
}

* {
  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;
  line-height: 1.6;
}

a {
  color: inherit;
}

.shell {
  width: min(calc(100% - 40px), var(--max));
  margin-inline: auto;
}

.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(246, 248, 251, 0.94);
}

.header-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  text-decoration: none;
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: 0.18em;
}

.contact-link {
  text-decoration: none;
  color: var(--muted);
  font-weight: 600;
}

.contact-link:hover,
.contact-link:focus-visible {
  color: var(--accent);
}

.hero {
  padding-block: 116px 96px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 850px;
  margin-bottom: 24px;
  font-size: clamp(3rem, 8vw, 6.5rem);
  line-height: 0.98;
  letter-spacing: -0.055em;
}

.lead {
  max-width: 720px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: clamp(1.12rem, 2vw, 1.4rem);
}

.products {
  padding-block: 28px 104px;
}

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

h2 {
  margin-bottom: 0;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.08;
  letter-spacing: -0.035em;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.product-card {
  min-height: 250px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface);
}

.product-card h3 {
  margin: 28px 0 10px;
  font-size: 1.55rem;
}

.product-card p {
  margin-bottom: 0;
  color: var(--muted);
}

.product-status {
  display: inline-flex;
  padding: 7px 10px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 750;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.contact {
  margin-bottom: 96px;
  padding: 36px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--surface);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.email-button {
  padding: 14px 18px;
  border-radius: 12px;
  background: var(--text);
  color: #fff;
  text-decoration: none;
  font-weight: 700;
}

.email-button:hover,
.email-button:focus-visible {
  background: var(--accent);
}

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

.footer-inner {
  min-height: 96px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  font-size: 0.92rem;
}

@media (max-width: 760px) {
  .hero {
    padding-block: 84px 72px;
  }

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

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

  .footer-inner {
    justify-content: center;
    padding-block: 26px;
  }
}