@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@800&display=swap');

:root {
  --bg: #ffffff;
  --text: #0f172a;        /* slate-900 */
  --muted: #475569;       /* slate-600 */
  --border: #e2e8f0;      /* slate-200 */
  --card: #ffffff;

  --primary: #2563eb;     /* blue-600 */
  --primaryDark: #1d4ed8; /* blue-700 */
  --tint: #eff6ff;        /* blue-50 */

  --radius: 16px;
  --shadow: 0 10px 26px rgba(2, 6, 23, 0.08);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: radial-gradient(1200px 600px at 20% -10%, var(--tint), transparent 60%),
              var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  line-height: 1.6;
}

a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primaryDark); }

.container {
  max-width: 980px;
  margin: 0 auto;
  padding: 0 18px;
}

.site-header {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  z-index: 10;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 10px;
  text-decoration: none;
}

.brand-title {
  font-family: 'Nunito', sans-serif;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 0.2px;
  color: #635E87;
}

.brand-tagline {
  font-size: 13px;
  color: var(--muted);
  display: none;
}

.nav {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav a {
  padding: 8px 10px;
  border-radius: 12px;
  color: var(--text);
}

.nav a:hover {
  background: var(--tint);
  color: var(--primaryDark);
}

.nav a[aria-current="page"] {
  background: var(--primary);
  color: #fff;
}

main { padding: 28px 0 44px; }

.hero {
  padding: 28px 0 10px;
}

.hero .kicker {
  color: var(--primaryDark);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  margin-bottom: 10px;
  font-weight: 700;
}

.hero h1 {
  font-size: clamp(30px, 4.2vw, 46px);
  line-height: 1.12;
  margin: 0 0 10px;
}

.hero p {
  color: var(--muted);
  font-size: 16px;
  margin: 0 0 18px;
  max-width: 70ch;
}

.grid {
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
}

.card h2, .card h3 {
  margin: 0 0 10px;
  line-height: 1.25;
}

.card p {
  margin: 0;
  color: var(--muted);
}

.list {
  margin: 10px 0 0;
  padding-left: 18px;
  color: var(--muted);
}

.button {
  display: inline-block;
  padding: 10px 14px;
  border-radius: 14px;
  background: linear-gradient(180deg, var(--primary), var(--primaryDark));
  color: white;
  font-weight: 700;
}

.button:hover { filter: brightness(1.03); }

.footer {
  border-top: 1px solid var(--border);
  padding: 18px 0;
  color: var(--muted);
  font-size: 14px;
}

.card-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
}

.icon {
  font-size: 18px;
  line-height: 1;
  transform: translateY(1px);
}

.divider {
  margin-top: 40px;
  padding: 28px 0;
  background: linear-gradient(
    180deg,
    transparent,
    var(--tint)
  );
  border-top: 1px solid var(--border);
}

.divider p {
  max-width: 70ch;
  margin: 0 auto;
  text-align: center;
  color: var(--muted);
  font-size: 15px;
}

@media (min-width: 720px) {
  .brand-tagline { display: inline; }
  .grid { grid-template-columns: repeat(2, 1fr); }
}
