:root {
  --bg: #ffffff;
  --text: #111827;
  --muted: #6b7280;
  --line: #e5e7eb;
  --soft: #f8fafc;
  --dark: #0f172a;
  --accent: #1d4ed8;
  --accent-dark: #1e40af;
  --radius: 18px;
  --shadow: 0 20px 50px rgba(15, 23, 42, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

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

.container {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.narrow {
  max-width: 820px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.nav-container {
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-weight: 700;
  letter-spacing: -0.03em;
  font-size: 20px;
}

.nav {
  display: flex;
  gap: 28px;
  color: var(--muted);
  font-size: 15px;
}

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

.menu-button {
  display: none;
  border: 0;
  background: none;
  font-size: 28px;
  cursor: pointer;
}

.hero {
  background:
    radial-gradient(circle at top right, rgba(29, 78, 216, 0.14), transparent 34%),
    linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  padding: 96px 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: center;
}

.eyebrow,
.section-label {
  color: var(--accent);
  text-transform: uppercase;
  font-size: 13px;
  letter-spacing: 0.12em;
  font-weight: 700;
  margin-bottom: 14px;
}

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

h1 {
  font-size: clamp(44px, 7vw, 76px);
  line-height: 0.95;
  letter-spacing: -0.06em;
  margin-bottom: 24px;
}

h2 {
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.05;
  letter-spacing: -0.045em;
  margin-bottom: 20px;
}

h3 {
  font-size: 21px;
  margin-bottom: 12px;
}

.hero-text {
  font-size: 20px;
  color: var(--muted);
  max-width: 680px;
  margin-bottom: 32px;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 20px;
  border-radius: 999px;
  font-weight: 700;
  border: 1px solid transparent;
}

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

.button.primary:hover {
  background: var(--accent-dark);
}

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

.hero-card {
  background: white;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px;
  box-shadow: var(--shadow);
}

.hero-card h2 {
  font-size: 24px;
  letter-spacing: -0.03em;
}

.hero-card ul {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
}

.hero-card li {
  margin-bottom: 12px;
}

.section {
  padding: 86px 0;
}

.section.muted {
  background: var(--soft);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section p {
  color: var(--muted);
  font-size: 17px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 34px;
}

.card {
  background: white;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.04);
}

.card p {
  margin-bottom: 0;
}

.two-column {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 52px;
}

.info-box {
  margin-top: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  background: var(--soft);
}

.details-list {
  display: grid;
  gap: 14px;
}

.details-list div {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 14px;
}

.details-list span {
  color: var(--muted);
}

.details-list strong {
  text-align: right;
}

.contact-section {
  background: var(--dark);
  color: white;
}

.contact-section p,
.contact-section .section-label {
  color: #cbd5e1;
}

.contact-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  padding: 42px;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 30px;
}

.contact-grid div {
  background: rgba(255, 255, 255, 0.06);
  border-radius: var(--radius);
  padding: 22px;
}

.contact-grid span {
  display: block;
  color: #94a3b8;
  font-size: 14px;
  margin-bottom: 8px;
}

.contact-grid a {
  color: white;
  font-weight: 700;
}

.contact-grid p {
  margin-bottom: 0;
}

.site-footer {
  background: #020617;
  color: #94a3b8;
  padding: 26px 0;
  font-size: 14px;
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 20px;
}

.footer-grid p {
  margin: 0;
}

@media (max-width: 820px) {
  .menu-button {
    display: block;
  }

  .nav {
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    background: white;
    border-bottom: 1px solid var(--line);
    padding: 20px;
  }

  .nav.open {
    display: flex;
  }

  .hero {
    padding: 70px 0;
  }

  .hero-grid,
  .two-column,
  .cards,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .details-list div {
    flex-direction: column;
    gap: 4px;
  }

  .details-list strong {
    text-align: left;
  }

  .footer-grid {
    flex-direction: column;
  }

  .contact-card {
    padding: 28px;
  }
}