:root {
  --bg: #f5f7fa;
  --panel: #ffffff;
  --text: #172033;
  --muted: #5c667a;
  --line: #dce3ee;
  --brand: #0067c7;
  --brand-dark: #004a90;
  --accent: #21a67a;
  --shadow: 0 18px 45px rgba(23, 32, 51, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.6;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1120px;
  margin: 0 auto;
  padding: 16px 24px;
}

.logo {
  color: var(--brand);
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: 0;
}

.nav-links {
  display: flex;
  gap: 22px;
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 700;
}

.nav-links a:hover {
  color: var(--brand);
}

.hero {
  min-height: 72vh;
  display: flex;
  align-items: center;
  background:
    linear-gradient(rgba(11, 30, 55, 0.72), rgba(11, 30, 55, 0.6)),
    url("https://images.unsplash.com/photo-1558494949-ef010cbdcc31?auto=format&fit=crop&w=1800&q=80") center/cover;
  color: #ffffff;
}

.hero-content {
  width: min(1120px, 100%);
  margin: 0 auto;
  padding: 80px 24px;
}

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

.hero h1 {
  max-width: 780px;
  margin: 0;
  font-size: clamp(2.3rem, 6vw, 4.8rem);
  line-height: 1.04;
}

.hero-text {
  max-width: 650px;
  margin: 22px 0 0;
  color: #dce9f7;
  font-size: 1.15rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 20px;
  border-radius: 6px;
  font-weight: 800;
}

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

.button.secondary {
  border: 1px solid rgba(255, 255, 255, 0.55);
  color: #ffffff;
}

.section {
  max-width: 1120px;
  margin: 0 auto;
  padding: 76px 24px;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 28px;
}

.section h2 {
  margin: 0;
  font-size: clamp(1.8rem, 4vw, 2.7rem);
  line-height: 1.15;
}

.grid,
.plans {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.card,
.plan,
.contact-box {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 10px 30px rgba(23, 32, 51, 0.06);
}

.card,
.plan {
  padding: 26px;
}

.card h3,
.plan h3 {
  margin: 0 0 10px;
  font-size: 1.25rem;
}

.card p,
.plan p,
.contact p {
  margin: 0;
  color: var(--muted);
}

.plans-section {
  max-width: none;
  background: #eaf1f8;
}

.plans-section > * {
  max-width: 1120px;
  margin-left: auto;
  margin-right: auto;
}

.plan {
  position: relative;
}

.plan.featured {
  border-color: var(--brand);
  box-shadow: var(--shadow);
}

.badge {
  display: inline-block;
  margin-bottom: 16px;
  padding: 4px 9px;
  border-radius: 999px;
  background: rgba(33, 166, 122, 0.14);
  color: #147b5a;
  font-size: 0.78rem;
  font-weight: 800;
}

.speed {
  margin-bottom: 12px !important;
  color: var(--brand) !important;
  font-size: 2rem;
  font-weight: 900;
}

.contact {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 28px;
  align-items: center;
}

.contact-box {
  padding: 24px;
}

.contact-box p + p {
  margin-top: 10px;
}

.footer {
  padding: 26px 24px;
  background: #111827;
  color: #cbd5e1;
  text-align: center;
}

.footer p {
  margin: 0;
}

@media (max-width: 760px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }

  .nav-links {
    width: 100%;
    justify-content: space-between;
    gap: 12px;
  }

  .hero {
    min-height: 660px;
  }

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