:root {
  --primary: #0f3d5e;
  --primary-dark: #08283f;
  --accent: #00a7c8;
  --text: #17202a;
  --muted: #5d6d7e;
  --light: #f4f8fb;
  --white: #ffffff;
  --border: #dde7ee;
  --shadow: 0 18px 45px rgba(15, 61, 94, 0.12);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

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

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

.container {
  width: min(1120px, 92%);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
}

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

.logo {
  font-size: 24px;
  font-weight: 700;
  color: var(--primary);
}

.logo span {
  color: var(--accent);
}

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

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

.menu-button {
  display: none;
  border: none;
  background: none;
  font-size: 28px;
  color: var(--primary);
  cursor: pointer;
}

.hero {
  min-height: 680px;
  display: flex;
  align-items: center;
  background:
    radial-gradient(circle at top right, rgba(0, 167, 200, 0.16), transparent 35%),
    linear-gradient(135deg, #ffffff 0%, #eef7fb 100%);
}

.hero-content {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 56px;
  align-items: center;
  padding: 90px 0;
}

.eyebrow,
.section-label {
  color: var(--accent);
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 1.2px;
  font-size: 13px;
  margin-bottom: 14px;
}

.hero h1 {
  font-size: clamp(38px, 5vw, 64px);
  line-height: 1.08;
  color: var(--primary-dark);
  margin-bottom: 24px;
}

.hero p {
  font-size: 18px;
  color: var(--muted);
  max-width: 660px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-top: 34px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  padding: 14px 22px;
  border-radius: 10px;
  font-weight: 700;
  transition: all 0.2s ease;
}

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

.btn.primary:hover {
  background: #008eaa;
  transform: translateY(-2px);
}

.btn.secondary {
  border: 1px solid var(--primary);
  color: var(--primary);
  background: var(--white);
}

.btn.secondary:hover {
  background: var(--primary);
  color: var(--white);
}

.btn.full {
  width: 100%;
  margin-top: 22px;
}

.hero-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 34px;
  box-shadow: var(--shadow);
}

.hero-card h3 {
  color: var(--primary);
  font-size: 24px;
  margin-bottom: 18px;
}

.hero-card ul,
.application-box ul {
  list-style: none;
}

.hero-card li,
.application-box li {
  padding: 10px 0 10px 28px;
  position: relative;
  color: var(--muted);
}

.hero-card li::before,
.application-box li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

.section {
  padding: 92px 0;
}

.section.light {
  background: var(--light);
}

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

.section.dark p,
.section.dark li {
  color: rgba(255, 255, 255, 0.78);
}

.section h2 {
  font-size: clamp(30px, 4vw, 44px);
  color: var(--primary-dark);
  line-height: 1.2;
  margin-bottom: 22px;
}

.section.dark h2 {
  color: var(--white);
}

.section p {
  color: var(--muted);
  margin-bottom: 16px;
}

.grid-2 {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 54px;
  align-items: start;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 36px;
}

.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 28px;
  box-shadow: 0 8px 24px rgba(15, 61, 94, 0.06);
}

.card h3 {
  color: var(--primary);
  margin-bottom: 14px;
  font-size: 20px;
}

.card p {
  font-size: 15px;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
  margin-top: 40px;
}

.step {
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 24px;
  background: var(--white);
}

.step span {
  display: inline-flex;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--light);
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 18px;
}

.step h3 {
  color: var(--primary);
  font-size: 18px;
  margin-bottom: 10px;
}

.step p {
  font-size: 15px;
}

.application-box {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 22px;
  padding: 30px;
}

.contact {
  text-align: center;
  max-width: 760px;
}

.contact-card {
  margin-top: 26px;
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--light);
}

.contact-card a {
  color: var(--primary);
  font-weight: 700;
}

.footer {
  background: var(--primary-dark);
  color: rgba(255, 255, 255, 0.78);
  padding: 26px 0;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  font-size: 14px;
}

@media (max-width: 920px) {
  .hero-content,
  .grid-2 {
    grid-template-columns: 1fr;
  }

  .cards {
    grid-template-columns: repeat(2, 1fr);
  }

  .timeline {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 680px) {
  .menu-button {
    display: block;
  }

  .nav {
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--border);
    display: none;
    flex-direction: column;
    padding: 20px 8%;
    gap: 18px;
  }

  .nav.active {
    display: flex;
  }

  .hero {
    min-height: auto;
  }

  .hero-content {
    padding: 64px 0;
  }

  .cards,
  .timeline {
    grid-template-columns: 1fr;
  }

  .footer-content {
    flex-direction: column;
    text-align: center;
  }
}