*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --nav:         #1e2d3d;
  --accent:      #2563eb;
  --accent-dark: #1d4ed8;
  --text:        #1e293b;
  --muted:       #64748b;
  --alt:         #f1f5f9;
  --border:      #e2e8f0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text);
  line-height: 1.6;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ── Header ─────────────────────────────────────────────── */
.header {
  background: var(--nav);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.logo {
  color: #fff;
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.5px;
}

nav a {
  color: #cbd5e1;
  text-decoration: none;
  margin-left: 1.5rem;
  font-size: 0.95rem;
}

nav a:hover { color: #fff; }

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  padding: 0.55rem 1.25rem;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  transition: background 0.15s;
}

.btn:hover { background: var(--accent-dark); color: #fff; }

.btn-lg {
  padding: 0.85rem 2rem;
  font-size: 1.05rem;
}

.btn-sm {
  padding: 0.4rem 1rem;
  font-size: 0.85rem;
}

/* ── Hero ────────────────────────────────────────────────── */
.hero {
  background: var(--nav);
  color: #fff;
  text-align: center;
  padding: 6rem 1.5rem;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 1rem;
}

.hero-sub {
  color: #94a3b8;
  font-size: 1.2rem;
  margin-bottom: 2rem;
}

.hero-meta {
  margin-top: 1rem;
  color: #64748b;
  font-size: 0.9rem;
}

/* ── Sections ────────────────────────────────────────────── */
.section     { padding: 5rem 0; }
.section-alt { background: var(--alt); }

.section h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 2.5rem;
  letter-spacing: -0.5px;
}

/* ── Feature cards ───────────────────────────────────────── */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.5rem;
}

.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 2rem;
}

.card-icon { font-size: 2rem; margin-bottom: 0.75rem; }

.card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.card p { color: var(--muted); font-size: 0.95rem; }

/* ── Changelog ───────────────────────────────────────────── */
.changelog { max-width: 640px; }

.release { margin-bottom: 2rem; }

.release-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.release-version {
  font-size: 1.1rem;
  font-weight: 700;
}

.release-date { color: var(--muted); font-size: 0.9rem; }

.release ul {
  list-style: disc;
  padding-left: 1.25rem;
  color: var(--muted);
}

.release li { margin-bottom: 0.3rem; }

/* ── Download section ────────────────────────────────────── */
.download-section { text-align: center; }

.download-section p {
  color: var(--muted);
  margin-bottom: 1.5rem;
}

.download-meta {
  margin-top: 1rem !important;
  font-size: 0.9rem;
}

/* ── Footer ──────────────────────────────────────────────── */
.footer {
  background: var(--nav);
  color: #64748b;
  padding: 2rem 0;
  font-size: 0.9rem;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer a { color: #94a3b8; text-decoration: none; }
.footer a:hover { color: #fff; }

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 600px) {
  .hero h1 { font-size: 2rem; }
  .footer-inner { flex-direction: column; gap: 0.5rem; text-align: center; }
}