:root {
  --bg: #eef2f6;
  --surface: #ffffff;
  --surface-muted: #f7f9fc;
  --text: #17212b;
  --text-soft: #5c6b7a;
  --line: #d8e0e8;
  --accent: #0f4c81;
  --accent-strong: #0b365d;
  --success: #1d6f5f;
  --shadow: 0 18px 48px rgba(15, 36, 60, 0.08);
  --radius: 18px;
  --radius-sm: 12px;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  background:
    radial-gradient(circle at top left, rgba(15, 76, 129, 0.08), transparent 28%),
    linear-gradient(180deg, #f8fbfd 0%, var(--bg) 100%);
  color: var(--text);
}

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

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

.hero {
  padding: 72px 0 40px;
}

.hero__eyebrow {
  display: inline-block;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(15, 76, 129, 0.1);
  color: var(--accent);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero__title {
  max-width: 760px;
  margin: 18px 0 18px;
  font-size: clamp(38px, 5vw, 66px);
  line-height: 1.02;
  font-weight: 700;
}

.hero__slogan {
  display: block;
  max-width: 760px;
  margin: 0 0 18px;
  padding: 16px 20px;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--accent-strong) 0%, var(--accent) 100%);
  border: 1px solid rgba(15, 76, 129, 0.24);
  color: #ffffff;
  font-size: 21px;
  line-height: 1.35;
  font-weight: 700;
  letter-spacing: 0.01em;
  box-shadow: 0 18px 36px rgba(11, 54, 93, 0.22);
}

.hero__text {
  max-width: 760px;
  margin: 0;
  font-size: 20px;
  line-height: 1.6;
  color: var(--text-soft);
}

.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 22px;
  padding: 24px 0 72px;
}

.card {
  grid-column: span 4;
  display: flex;
  flex-direction: column;
  min-height: 280px;
  padding: 28px;
  background: linear-gradient(180deg, var(--surface) 0%, var(--surface-muted) 100%);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(15, 76, 129, 0.28);
  box-shadow: 0 24px 52px rgba(15, 36, 60, 0.12);
}

.card__index {
  margin-bottom: 16px;
  font-size: 14px;
  color: var(--accent);
}

.card__title {
  margin: 0 0 14px;
  font-size: 28px;
  line-height: 1.15;
}

.card__text {
  margin: 0;
  font-size: 17px;
  line-height: 1.65;
  color: var(--text-soft);
}

.card__link {
  margin-top: auto;
  padding-top: 24px;
  font-size: 15px;
  color: var(--accent);
  font-weight: 700;
}

.page-header {
  padding: 56px 0 24px;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 28px;
  font-size: 15px;
  color: var(--accent);
}

.lead-card,
.content-card,
.cta-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.lead-card {
  padding: 34px;
}

.lead-card__kicker {
  margin: 0 0 10px;
  color: var(--success);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 13px;
}

.lead-card__title {
  margin: 0 0 16px;
  font-size: clamp(34px, 5vw, 54px);
  line-height: 1.05;
}

.lead-card__text {
  margin: 0;
  max-width: 820px;
  font-size: 20px;
  line-height: 1.7;
  color: var(--text-soft);
}

.content-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 22px;
  padding: 24px 0 72px;
}

.content-card {
  padding: 30px;
}

.content-card h2 {
  margin: 0 0 16px;
  font-size: 28px;
}

.content-card p,
.content-card li {
  font-size: 17px;
  line-height: 1.7;
  color: var(--text-soft);
}

.content-card ul {
  margin: 0;
  padding-left: 22px;
}

.stack {
  display: grid;
  gap: 22px;
}

.cta-card {
  padding: 28px;
  background: linear-gradient(180deg, #0f4c81 0%, #0b365d 100%);
  color: #ffffff;
}

.cta-card h2 {
  margin: 0 0 14px;
  font-size: 28px;
}

.cta-card p {
  margin: 0 0 18px;
  font-size: 17px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.86);
}

.cta-button {
  display: inline-block;
  padding: 13px 20px;
  border-radius: 999px;
  background: #ffffff;
  color: var(--accent-strong);
  font-weight: 700;
}

.footer {
  padding: 0 0 40px;
  color: var(--text-soft);
  font-size: 14px;
}

@media (max-width: 980px) {
  .card {
    grid-column: span 6;
  }

  .content-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(var(--max), calc(100% - 28px));
  }

  .hero {
    padding-top: 46px;
  }

  .hero__text,
  .hero__slogan,
  .lead-card__text,
  .content-card p,
  .content-card li,
  .card__text {
    font-size: 16px;
  }

  .hero__slogan {
    padding: 14px 16px;
  }

  .card {
    grid-column: span 12;
    min-height: auto;
  }

  .lead-card,
  .content-card,
  .cta-card {
    padding: 22px;
  }
}