:root {
  --bg: #f7f8fb;
  --surface: #ffffff;
  --surface-alt: #f0f3f8;
  --text: #172033;
  --muted: #667085;
  --line: #e4e7ec;
  --primary: #3b5bfd;
  --primary-dark: #2846db;
  --shadow: 0 10px 30px rgba(23, 32, 51, 0.08);
  --radius: 18px;
  --container: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

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

.container {
  width: min(var(--container), calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

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

.brand {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.header-link {
  color: var(--muted);
  font-weight: 600;
}

.header-link:hover {
  color: var(--text);
}

.hero {
  padding: 110px 0 90px;
}

.hero-content {
  max-width: 820px;
}

.eyebrow {
  display: inline-block;
  margin-bottom: 14px;
  color: var(--primary);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 24px;
  font-size: clamp(3rem, 7vw, 5.5rem);
  line-height: 0.98;
  letter-spacing: -0.055em;
  max-width: 900px;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.08;
  letter-spacing: -0.04em;
}

h3 {
  margin-bottom: 12px;
  font-size: 1.3rem;
}

p {
  color: var(--muted);
}

.hero-copy {
  max-width: 720px;
  margin-bottom: 32px;
  font-size: 1.16rem;
}

.primary-button,
.secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 12px;
  font-weight: 700;
  transition: 0.2s ease;
}

.primary-button {
  background: var(--primary);
  color: white;
  box-shadow: var(--shadow);
}

.primary-button:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
}

.secondary-button {
  background: white;
  color: var(--text);
  border: 1px solid var(--line);
}

.secondary-button:hover {
  border-color: #c7ccd6;
  transform: translateY(-1px);
}

.section {
  padding: 88px 0;
}

.section-alt {
  background: var(--surface-alt);
}

.section-heading {
  max-width: 720px;
  margin-bottom: 42px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.feature-card {
  padding: 28px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.feature-card p {
  margin-bottom: 0;
}

.two-column {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

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

.integration-list span {
  padding: 10px 14px;
  background: white;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-weight: 700;
}

.status-card {
  padding: 38px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.status-card p {
  margin-bottom: 0;
  max-width: 700px;
}

.contact-section {
  padding-top: 20px;
}

.contact-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 34px;
  background: #111827;
  border-radius: 22px;
}

.contact-card h2,
.contact-card .eyebrow {
  color: white;
}

.contact-card h2 {
  margin-bottom: 0;
}

.site-footer {
  padding: 42px 0;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 30px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.footer-inner p {
  margin-bottom: 0;
}

.footer-meta {
  text-align: right;
}

@media (max-width: 900px) {
  .hero {
    padding: 80px 0 64px;
  }

  .features-grid,
  .two-column {
    grid-template-columns: 1fr;
  }

  .two-column {
    gap: 28px;
  }

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

  .footer-meta {
    text-align: left;
  }
}

@media (max-width: 600px) {
  .container {
    width: min(100% - 28px, var(--container));
  }

  .section {
    padding: 64px 0;
  }

  h1 {
    font-size: 3rem;
  }

  .feature-card,
  .status-card,
  .contact-card {
    padding: 24px;
  }

  .header-link {
    display: none;
  }
}