:root {
  --bg:       #08060f;
  --surface:  #14112a;
  --border:   #2a2450;
  --gold:     #c9a84c;
  --gold-dim: #8a6e30;
  --text:     #e8e0d0;
  --muted:    #6a5e48;
  --radius:   12px;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  line-height: 1.6;
}

/* ── Header ─────────────────────────────────────────────────────────────── */

header {
  text-align: center;
  padding: 88px 24px 64px;
}

.app-icon {
  width: 128px;
  height: 128px;
  border-radius: 26px;
  margin-bottom: 28px;
  box-shadow: 0 8px 48px rgba(201, 168, 76, 0.22);
}

h1 {
  font-size: 3.2rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  margin: 0 0 14px;
  color: var(--text);
}

.tagline {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 500px;
  margin: 0 auto;
}

/* ── Downloads ──────────────────────────────────────────────────────────── */

.downloads {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 16px;
  padding: 0 24px 88px;
}

.btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  padding: 14px 32px;
  border-radius: var(--radius);
  text-decoration: none;
  font-size: 1rem;
  font-weight: 600;
  transition: opacity 0.15s, box-shadow 0.15s;
  min-width: 200px;
  min-height: 64px;
}

.btn:hover { opacity: 0.88; }

.btn-featured {
  min-width: 240px;
  min-height: 72px;
  font-size: 1.05rem;
  box-shadow: 0 4px 24px rgba(201, 168, 76, 0.18);
}

.btn-flathub {
  background: #4a86cf;
  color: #fff;
  box-shadow: 0 2px 16px rgba(74, 134, 207, 0.30);
}

.btn-flathub.btn-featured {
  box-shadow: 0 4px 24px rgba(74, 134, 207, 0.40);
}

.btn-mac,
.btn-platform {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-mac:hover,
.btn-platform:hover {
  border-color: var(--gold-dim);
  box-shadow: 0 2px 16px rgba(201, 168, 76, 0.12);
}

.btn-mac.btn-featured,
.btn-platform.btn-featured {
  background: var(--gold);
  color: #08060f;
  border: none;
}

.btn-mac.btn-featured:hover,
.btn-platform.btn-featured:hover {
  opacity: 0.9;
  box-shadow: 0 4px 24px rgba(201, 168, 76, 0.35);
}

.btn .label { font-size: 1rem; font-weight: 600; }
.btn .sub   { font-size: 0.72rem; color: var(--muted); font-weight: 400; }
.btn-flathub .sub { color: rgba(255,255,255,0.65); }
.btn-featured.btn-mac .sub,
.btn-featured.btn-platform .sub { color: rgba(8,6,15,0.60); }

/* ── Screenshots ────────────────────────────────────────────────────────── */

.screenshots {
  padding: 0 24px 88px;
  max-width: 1100px;
  margin: 0 auto;
}

.section-label {
  display: block;
  text-align: center;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 32px;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 16px;
}

.gallery figure {
  margin: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.gallery img {
  width: 100%;
  height: auto;
  display: block;
}

.gallery figcaption {
  padding: 10px 14px;
  font-size: 0.78rem;
  color: var(--muted);
}

/* ── Features ───────────────────────────────────────────────────────────── */

.features {
  padding: 0 24px 88px;
  max-width: 900px;
  margin: 0 auto;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.feature {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
}

.feature h3 {
  color: var(--gold);
  margin: 0 0 10px;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.feature p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.65;
}

/* ── Footer ─────────────────────────────────────────────────────────────── */

footer {
  display: flex;
  justify-content: center;
  gap: 28px;
  padding: 28px 24px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.82rem;
}

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

footer a:hover { color: var(--gold); }

/* ── Responsive ─────────────────────────────────────────────────────────── */

@media (max-width: 520px) {
  h1 { font-size: 2.4rem; }
  .downloads { flex-direction: column; }
  .btn { width: 100%; max-width: 320px; }
}