* {
  box-sizing: border-box;
}

:root {
  --bg: #f4f7f8;
  --panel: rgba(255, 255, 255, 0.9);
  --panel-strong: #ffffff;
  --text: #132238;
  --muted: #5f6f84;
  --line: rgba(19, 34, 56, 0.1);
  --primary: #0fa48f;
  --primary-dark: #0b7f70;
  --accent: #dff7f2;
  --shadow: 0 24px 60px rgba(18, 35, 56, 0.08);
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(15, 164, 143, 0.16), transparent 28%),
    radial-gradient(circle at top right, rgba(58, 103, 220, 0.12), transparent 30%),
    linear-gradient(180deg, #f8fbfc 0%, var(--bg) 100%);
}

a {
  color: var(--primary-dark);
}

.shell {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 48px;
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 28px;
  background: linear-gradient(135deg, rgba(223, 247, 242, 0.95), rgba(255, 255, 255, 0.92));
  box-shadow: var(--shadow);
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto -40px -60px auto;
  width: 220px;
  height: 220px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(15, 164, 143, 0.18), transparent 65%);
}

.eyebrow {
  margin: 0 0 10px;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--primary-dark);
}

.hero h1 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.6rem);
  line-height: 1.02;
  letter-spacing: -0.04em;
}

.hero p {
  width: min(720px, 100%);
  margin: 14px 0 0;
  font-size: 1rem;
  line-height: 1.65;
  color: var(--muted);
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid rgba(19, 34, 56, 0.08);
  color: var(--text);
  font-size: 0.92rem;
  font-weight: 700;
}

.layout {
  display: grid;
  grid-template-columns: minmax(0, 220px) minmax(0, 1fr);
  gap: 22px;
  margin-top: 24px;
}

.nav {
  position: sticky;
  top: 18px;
  align-self: start;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
}

.nav-title {
  margin: 0 0 12px;
  font-size: 0.84rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

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

.nav a {
  display: block;
  padding: 10px 12px;
  border-radius: 12px;
  text-decoration: none;
  color: var(--text);
  font-weight: 700;
}

.nav a:hover {
  background: var(--accent);
}

.content {
  display: grid;
  gap: 18px;
}

.card {
  padding: 24px;
  border: 1px solid rgba(19, 34, 56, 0.08);
  border-radius: 24px;
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.card h2 {
  margin: 0 0 10px;
  font-size: 1.3rem;
  line-height: 1.2;
}

.card p,
.card li {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

.card ul {
  margin: 14px 0 0;
  padding-left: 18px;
}

.card li + li {
  margin-top: 10px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.support-list {
  display: grid;
  gap: 14px;
  margin-top: 16px;
}

.support-item {
  padding: 16px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: var(--panel-strong);
}

.support-item strong {
  display: block;
  margin-bottom: 6px;
  font-size: 0.98rem;
}

.footer {
  margin-top: 28px;
  padding: 20px 0 8px;
  text-align: center;
  color: var(--muted);
  font-size: 0.92rem;
}

.footer-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 10px;
}

.footer-links a {
  text-decoration: none;
  font-weight: 700;
}

@media (max-width: 900px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .nav {
    position: static;
  }

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

@media (max-width: 600px) {
  .shell {
    width: min(100% - 20px, 1120px);
    padding-top: 16px;
  }

  .hero,
  .card,
  .nav {
    padding: 18px;
    border-radius: 20px;
  }
}