:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #111827;
  color: #f8fafc;
  --bg: #111827;
  --surface: rgba(24, 34, 53, 0.92);
  --line: rgba(148, 163, 184, 0.18);
  --muted: #a8b3c6;
  --blue: #2563eb;
  --teal: #0f766e;
  --amber: #d97706;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
}

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

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 0 64px;
  border-bottom: 1px solid var(--line);
  background: rgba(17, 24, 39, 0.82);
  backdrop-filter: blur(16px);
}

.brand {
  font-weight: 900;
}

nav {
  display: flex;
  gap: 24px;
  color: #dbe6f4;
}

.login-link {
  border: 1px solid rgba(96, 165, 250, 0.36);
  border-radius: 999px;
  padding: 10px 18px;
}

.hero {
  position: relative;
  min-height: 88vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 118px 82px 90px;
  background:
    linear-gradient(90deg, rgba(17, 24, 39, 0.96), rgba(17, 24, 39, 0.72), rgba(17, 24, 39, 0.96)),
    url("https://images.unsplash.com/photo-1551434678-e076c223a692?auto=format&fit=crop&w=1800&q=80") center/cover;
}

.hero-content {
  max-width: 760px;
}

.eyebrow {
  margin: 0 0 12px;
  color: #93c5fd;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  letter-spacing: 0;
}

h1 {
  margin: 0;
  font-size: 76px;
  line-height: 0.96;
}

.hero-copy,
.page-hero p,
.split-section p {
  max-width: 650px;
  color: #d1d9e6;
  font-size: 20px;
  line-height: 1.5;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  border-radius: 8px;
  padding: 0 22px;
  font-weight: 900;
}

.primary {
  background: linear-gradient(135deg, var(--blue), var(--teal));
}

.secondary {
  border: 1px solid var(--line);
  background: rgba(17, 24, 39, 0.72);
}

.section {
  padding: 76px 82px;
}

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

.benefits article,
.product-grid article,
.pricing-grid article,
.contact-grid article,
.final-cta,
.feature-list {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  padding: 24px;
}

.benefits strong,
.product-grid h3,
.pricing-grid span,
.contact-grid strong {
  font-size: 20px;
}

.benefits p,
.product-grid p,
.pricing-grid p {
  color: var(--muted);
  line-height: 1.6;
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 420px;
  gap: 24px;
  align-items: center;
}

.split-section h2,
.section-heading h2,
.final-cta h2,
.page-hero h1 {
  margin: 0;
  font-size: 44px;
  line-height: 1.08;
}

.feature-list {
  display: grid;
  gap: 12px;
}

.feature-list span {
  border-left: 3px solid var(--teal);
  padding-left: 12px;
  color: #e5edf7;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 26px;
}

.pricing-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.pricing-grid article {
  display: grid;
  gap: 14px;
}

.pricing-grid strong {
  font-size: 42px;
}

.pricing-grid a {
  width: fit-content;
  border-radius: 8px;
  padding: 10px 16px;
  background: rgba(37, 99, 235, 0.24);
}

.pricing-grid .featured {
  border-color: rgba(217, 119, 6, 0.72);
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.18), rgba(15, 118, 110, 0.16), rgba(217, 119, 6, 0.14));
}

.pricing-grid small,
.pricing-grid .featured p {
  color: #fbbf24;
  font-weight: 900;
}

.pricing-grid s {
  color: var(--muted);
}

.final-cta {
  margin: 0 82px 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.page-main {
  padding-top: 68px;
}

.page-hero {
  padding: 80px 82px 24px;
}

.contact-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.contact-grid span {
  color: var(--muted);
}

.contact-grid strong {
  display: block;
  margin-top: 8px;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 26px 82px;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

@media (max-width: 980px) {
  .site-header,
  .section,
  .page-hero,
  footer {
    padding-left: 22px;
    padding-right: 22px;
  }

  nav {
    display: none;
  }

  .hero {
    padding: 110px 22px 70px;
  }

  h1 {
    font-size: 46px;
  }

  .split-section,
  .benefits,
  .product-grid,
  .pricing-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .final-cta {
    margin-left: 22px;
    margin-right: 22px;
    align-items: flex-start;
    flex-direction: column;
  }
}