:root {
  --bg: #f7fafc;
  --ink: #132238;
  --muted: #526276;
  --line: #d8e1ec;
  --panel: #ffffff;
  --accent: #0f766e;
  --accent-dark: #115e59;
  --soft: #e8f5f3;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI", Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
}

img {
  display: block;
  max-width: 100%;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px clamp(18px, 4vw, 56px);
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.brand {
  color: var(--ink);
  font-size: 1.2rem;
  font-weight: 800;
  text-decoration: none;
  white-space: nowrap;
}

nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 16px;
  flex-wrap: wrap;
}

nav a {
  color: var(--ink);
  font-weight: 650;
  text-decoration: none;
}

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

.nav-cta {
  padding: 8px 12px;
  border: 1px solid var(--accent);
  border-radius: 8px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 520px);
  align-items: center;
  gap: clamp(28px, 5vw, 64px);
  max-width: 1180px;
  margin: 0 auto;
  padding: clamp(48px, 8vw, 88px) 20px;
}

.hero img,
.product-spotlight img {
  border-radius: 8px;
  border: 1px solid var(--line);
  box-shadow: 0 18px 50px rgba(19, 34, 56, 0.12);
}

.hero h1,
.page-intro h1 {
  margin: 0;
  font-size: clamp(2.2rem, 5vw, 4.3rem);
  line-height: 1.04;
  letter-spacing: 0;
}

.hero p,
.page-intro p,
.feature-band p {
  color: var(--muted);
  font-size: 1.08rem;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent-dark);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 16px;
  border-radius: 8px;
  font-weight: 750;
  text-decoration: none;
}

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

.btn.secondary {
  background: var(--soft);
  color: var(--accent-dark);
}

.section,
.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 54px 20px;
}

.section-heading,
.page-intro {
  max-width: 760px;
  margin-bottom: 28px;
}

.section-heading h2,
.feature-band h2,
.product-spotlight h2,
.split h2,
.contact-panel h2 {
  margin: 0 0 10px;
  font-size: clamp(1.55rem, 3vw, 2.35rem);
  line-height: 1.15;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.card,
.contact-panel,
.split > div {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 22px;
}

.card h3 {
  margin: 0 0 10px;
}

.card p,
.split p,
.contact-panel p,
.legal p {
  color: var(--muted);
}

.feature-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  max-width: 1120px;
  margin: 20px auto 64px;
  padding: 34px;
  background: var(--soft);
  border-radius: 8px;
}

.product-spotlight {
  display: grid;
  grid-template-columns: minmax(280px, 430px) minmax(0, 1fr);
  gap: 28px;
  align-items: center;
  margin-bottom: 28px;
}

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

footer {
  padding: 28px 20px;
  text-align: center;
  background: #132238;
  color: #eaf2f7;
}

footer p {
  margin: 6px 0;
}

footer a {
  color: #b7f5ec;
  margin: 0 8px;
}

@media (max-width: 820px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  nav {
    justify-content: flex-start;
  }

  .hero,
  .product-spotlight,
  .split {
    grid-template-columns: 1fr;
  }

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

  .feature-band {
    align-items: flex-start;
    flex-direction: column;
    margin-left: 20px;
    margin-right: 20px;
  }
}