@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@500;600;700&display=swap');

:root {
  color-scheme: light;
  --bg: #f6f8fb;
  --panel: #ffffff;
  --text: #0f172a;
  --muted: #475569;
  --accent: #0f8cff;
  --border: #e2e8f0;
  --glow1: #e0f2fe;
  --glow2: #e0f7f4;
  --shadow: rgba(15, 23, 42, 0.06);
}

body.theme-dark {
  color-scheme: dark;
  --bg: #0b1221;
  --panel: #111a2d;
  --text: #e5ecf7;
  --muted: #94a3b8;
  --accent: #5ab0ff;
  --border: #1e293b;
  --glow1: #123960;
  --glow2: #0f3b3b;
  --shadow: rgba(0, 0, 0, 0.4);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Manrope", "Inter", system-ui, -apple-system, sans-serif;
  background:
    radial-gradient(circle at 8% 18%, var(--glow1) 0, transparent 26%),
    radial-gradient(circle at 84% 12%, var(--glow2) 0, transparent 20%),
    var(--bg);
  color: var(--text);
  line-height: 1.6;
  transition: background 0.3s ease, color 0.3s ease;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

header {
  padding: 28px 24px 10px;
  text-align: center;
}

nav {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
  margin: 16px 0 0;
}

nav a {
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  font-weight: 600;
}

nav a.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.theme-toggle {
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  border-radius: 12px;
  padding: 8px 12px;
  font-weight: 700;
  cursor: pointer;
}
.theme-toggle:hover {
  border-color: var(--accent);
}

h1 { margin: 6px 0 10px; font-size: 32px; letter-spacing: -0.03em; }
h2 { margin: 0 0 12px; letter-spacing: -0.02em; }

p.lead {
  margin: 0 auto;
  max-width: 760px;
  color: var(--muted);
  font-size: 16px;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  background: #e0f2fe;
  color: #0f8cff;
  border-radius: 999px;
  font-weight: 700;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  background: #ecfeff;
  color: #0f8cff;
  border-radius: 999px;
  font-weight: 600;
  font-size: 13px;
}

.pill.inline { margin-left: 8px; }

.footer {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px 24px 32px;
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
}

.footer small { color: var(--muted); }

.footer a { color: var(--accent); font-weight: 600; }

.footer .brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 800;
  letter-spacing: -0.01em;
}

.logo-img {
  height: 40px;
  width: auto;
}
.logo-small {
  height: 28px;
  width: auto;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  padding: 0 24px 32px;
  max-width: 1100px;
  margin: 0 auto;
}

section {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px 20px;
  box-shadow: 0 20px 60px var(--shadow);
}

ul { padding-left: 18px; margin: 0 0 8px; }
li { margin-bottom: 8px; }

.muted { color: var(--muted); }
.cta {
  background: var(--accent);
  color: #fff;
  padding: 12px 16px;
  border-radius: 12px;
  text-decoration: none;
  display: inline-flex;
  gap: 8px;
  align-items: center;
  font-weight: 700;
  margin-top: 10px;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

body.theme-dark .tag,
body.theme-dark .pill {
  background: var(--glow1);
  color: var(--accent);
}

body.theme-dark nav a:not(.active) {
  background: var(--panel);
  color: var(--text);
}

@media (max-width: 720px) {
  h1 { font-size: 26px; }
  header { padding: 22px 16px 10px; }
  .grid { padding: 0 16px 24px; }
}