:root {
  --bg0: #0b1220;
  --bg1: #121a2b;
  --ink: #f4f7fb;
  --muted: #a9b6c9;
  --accent: #00a8ff;
  --line: rgba(255, 255, 255, 0.12);
  --card: rgba(255, 255, 255, 0.04);
  --max: 46rem;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(0, 168, 255, 0.22), transparent 55%),
    radial-gradient(900px 500px at 100% 0%, rgba(0, 230, 118, 0.12), transparent 50%),
    linear-gradient(180deg, var(--bg0), var(--bg1));
  line-height: 1.65;
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: #7ad3ff;
}

.wrap {
  width: min(var(--max), calc(100% - 2rem));
  margin: 0 auto;
  padding: 2.5rem 0 4rem;
}

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 0.55rem;
  margin-bottom: 1.75rem;
  color: inherit;
  text-decoration: none;
}

.brand strong {
  font-size: 1.55rem;
  letter-spacing: -0.03em;
}

.brand span {
  color: var(--muted);
  font-size: 0.92rem;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.25rem;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line);
}

nav a {
  color: var(--muted);
  text-decoration: none;
}

nav a[aria-current="page"],
nav a:hover {
  color: var(--ink);
}

h1 {
  margin: 0 0 0.65rem;
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  letter-spacing: -0.04em;
  line-height: 1.15;
}

.lead {
  margin: 0 0 1.75rem;
  color: var(--muted);
  font-size: 1.05rem;
}

.meta {
  display: inline-block;
  margin-bottom: 1.5rem;
  padding: 0.45rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  background: var(--card);
  color: var(--muted);
  font-size: 0.88rem;
}

section {
  margin: 1.75rem 0;
  padding: 1.15rem 1.2rem;
  border: 1px solid var(--line);
  border-radius: 0.85rem;
  background: var(--card);
}

h2 {
  margin: 0 0 0.55rem;
  font-size: 1.12rem;
  letter-spacing: -0.02em;
}

p,
li {
  color: #d7e0ec;
}

ul {
  margin: 0.4rem 0 0;
  padding-left: 1.15rem;
}

li + li {
  margin-top: 0.35rem;
}

footer {
  margin-top: 2.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

.home-grid {
  display: grid;
  gap: 1rem;
}

.home-card {
  display: block;
  padding: 1.25rem 1.3rem;
  border: 1px solid var(--line);
  border-radius: 0.9rem;
  background: var(--card);
  color: inherit;
  text-decoration: none;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.home-card:hover {
  border-color: rgba(0, 168, 255, 0.55);
  transform: translateY(-1px);
}

.home-card strong {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 1.15rem;
}

.home-card span {
  color: var(--muted);
}