:root {
  --bg: #f4f7fb;
  --surface: #ffffff;
  --surface-alt: #eef3fb;
  --text: #1a2433;
  --muted: #4f5d73;
  --primary: #165dff;
  --primary-dark: #0d47cc;
  --border: #d7e0ef;
  --shadow: 0 10px 30px rgba(16, 42, 77, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
}

.container {
  width: min(1080px, 92%);
  margin: 0 auto;
}

.block {
  padding: 72px 0;
}

.block h2 {
  margin: 0 0 18px;
  font-size: clamp(1.7rem, 1.2rem + 1.2vw, 2.3rem);
  line-height: 1.25;
}

.block p,
.block li {
  font-size: 1.03rem;
  color: var(--muted);
}

.hero {
  background: linear-gradient(120deg, #0f2d56 0%, #165dff 100%);
  color: #fff;
  padding: 92px 0 88px;
}

.hero .tag {
  display: inline-block;
  margin: 0 0 16px;
  padding: 7px 12px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 999px;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.95);
}

.hero h1 {
  margin: 0;
  font-size: clamp(2rem, 1.2rem + 2.6vw, 3.5rem);
}

.hero .lead {
  margin: 20px 0 0;
  max-width: 900px;
  color: rgba(255, 255, 255, 0.92);
  font-size: 1.08rem;
}

.btn {
  display: inline-block;
  margin-top: 26px;
  background: #fff;
  color: #10386b;
  text-decoration: none;
  padding: 12px 20px;
  border-radius: 10px;
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 18px rgba(8, 23, 45, 0.25);
}

main .block {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

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

ul {
  margin: 0 0 18px 0;
  padding-left: 22px;
}

.contact {
  background: #0f1f37;
}

.contact h2,
.contact p,
.contact a,
.contact span {
  color: #fff;
}

.contact p {
  color: rgba(255, 255, 255, 0.88);
}

.contact-grid {
  margin-top: 26px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
}

.contact-item {
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 12px;
  padding: 16px;
}

.contact-item span {
  display: block;
  font-size: 0.92rem;
  opacity: 0.86;
  margin-bottom: 8px;
}

.contact-item a {
  font-size: 1.12rem;
  font-weight: 700;
  text-decoration: none;
}

.contact-item p {
  margin: 0;
}

.footer {
  background: #0b1627;
  color: rgba(255, 255, 255, 0.85);
  padding: 18px 0;
  text-align: center;
  font-size: 0.92rem;
}

@media (max-width: 768px) {
  .block {
    padding: 56px 0;
  }

  .hero {
    padding: 72px 0 62px;
  }

  .hero .lead {
    font-size: 1rem;
  }
}