:root {
  --bg: #f4f8ff;
  --surface: #ffffff;
  --surface-alt: #edf4ff;
  --text: #112038;
  --muted: #4d5c75;
  --accent: #1f57d6;
  --accent-dark: #163f9c;
  --border: #dbe6ff;
  --shadow: 0 12px 30px rgba(17, 32, 56, 0.08);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", Arial, sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, #f8fbff 0%, #eef4ff 100%);
  line-height: 1.75;
}

.container {
  width: min(1080px, calc(100% - 48px));
  margin: 0 auto;
}

.hero {
  padding: 80px 0 72px;
  background: radial-gradient(circle at top right, #dce8ff 0, #f6f9ff 44%, #f3f8ff 100%);
  border-bottom: 1px solid var(--border);
}

.eyebrow {
  margin: 0 0 12px;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

h1,
h2 {
  margin-top: 0;
  line-height: 1.2;
}

h1 {
  margin-bottom: 18px;
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(1.4rem, 2.2vw, 2rem);
  font-weight: 700;
}

p {
  margin: 0 0 16px;
  color: var(--muted);
}

.lead {
  max-width: 840px;
  font-size: 1.1rem;
  color: var(--text);
}

.button {
  display: inline-block;
  margin-top: 10px;
  padding: 12px 20px;
  border-radius: 10px;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.2s ease, transform 0.2s ease;
}

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

.button.secondary {
  background: #2b3f62;
}

.button.secondary:hover {
  background: #1c2d4a;
}

.section {
  padding: 56px 0;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

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

.contacts-card {
  margin: 24px 0;
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #fff;
  box-shadow: var(--shadow);
}

.contacts-card p {
  margin-bottom: 12px;
  color: var(--text);
}

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

.footer {
  padding: 28px 0;
  background: #0f203a;
  color: #d9e4ff;
}

.footer p {
  margin: 0;
  color: #d9e4ff;
  text-align: center;
}

@media (max-width: 700px) {
  .container {
    width: min(1080px, calc(100% - 28px));
  }

  .hero {
    padding: 64px 0 56px;
  }

  .section {
    padding: 46px 0;
  }
}