:root {
  --primary: #1a4f7a;
  --primary-light: #2d6fa0;
  --accent: #0d9488;
  --text: #1f2937;
  --text-light: #6b7280;
  --bg: #ffffff;
  --bg-soft: #f8fafc;
  --border: #e5e7eb;
  --shadow: 0 18px 40px rgba(15, 23, 42, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  line-height: 1.65;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(45, 111, 160, 0.12), transparent 28%),
    linear-gradient(180deg, #fbfdff 0%, #f5fafb 100%);
}

.container {
  max-width: 980px;
  margin: 0 auto;
  padding: 0 16px;
}

header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(229, 231, 235, 0.85);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 16px 0;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.logo-mark {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background:
    radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.82), transparent 30%),
    linear-gradient(135deg, #12958b, #163f65);
  box-shadow: 0 10px 24px rgba(22, 63, 101, 0.22);
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
}

.logo-mark::before,
.logo-mark::after {
  content: "";
  position: absolute;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.92);
}

.logo-mark::before {
  width: 22px;
  height: 5px;
  left: 10px;
  top: 12px;
  transform: rotate(-28deg);
}

.logo-mark::after {
  width: 14px;
  height: 5px;
  right: 9px;
  bottom: 12px;
  transform: rotate(-28deg);
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.logo-name {
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--primary);
}

.logo-tag {
  margin-top: 4px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

.back-link {
  color: var(--accent);
  text-decoration: none;
  font-size: 14px;
  font-weight: 700;
}

.hero {
  padding: 62px 0 26px;
}

.eyebrow {
  display: inline-flex;
  padding: 9px 14px;
  border-radius: 999px;
  background: rgba(13, 148, 136, 0.1);
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 18px;
}

h1 {
  margin: 0 0 14px;
  color: var(--primary);
  font-size: clamp(32px, 5vw, 50px);
  line-height: 1.12;
  letter-spacing: -0.03em;
}

.hero p {
  margin: 0;
  max-width: 760px;
  color: var(--text-light);
  font-size: 17px;
}

.content {
  padding: 18px 0 64px;
}

.card {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--border);
  border-radius: 24px;
  box-shadow: var(--shadow);
  padding: 28px 24px;
  margin-bottom: 22px;
}

.card h2 {
  margin: 0 0 14px;
  color: var(--primary);
  font-size: 24px;
}

.card p {
  margin: 0 0 12px;
}

.card p:last-child,
.card ul:last-child,
.card ol:last-child {
  margin-bottom: 0;
}

.card ul,
.card ol {
  margin: 0 0 12px;
  padding-left: 20px;
}

.card li + li {
  margin-top: 8px;
}

.info-grid {
  display: grid;
  gap: 18px;
}

.mini-card {
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--bg-soft);
}

.mini-card h3 {
  margin: 0 0 10px;
  color: var(--primary);
  font-size: 18px;
}

footer {
  background: var(--primary);
  color: rgba(255, 255, 255, 0.88);
  padding: 30px 0;
}

footer p {
  margin: 0;
  font-size: 14px;
}

@media (min-width: 768px) {
  .hero {
    padding: 76px 0 34px;
  }

  .info-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .card {
    padding: 32px;
  }
}