:root {
  --bg: #ffffff;
  --text: #1a1f27;
  --muted: #5b6472;
  --border: #e2e5ea;
  --accent: #1f6feb;
  --accent-text: #ffffff;
  --panel: #f6f8fa;
}

* {
  box-sizing: border-box;
}

html, body {
  height: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  line-height: 1.5;
  text-align: center;
}

.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.site-header {
  padding: 64px 24px 32px;
}

.site-header h1 {
  margin: 0;
  font-size: clamp(3rem, 9vw, 6rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.tagline {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 1.1rem;
}

main {
  width: 100%;
  max-width: 900px;
  padding: 0 24px;
  flex: 1;
  display: flex;
  align-items: center;
}

.downloads {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  justify-items: center;
}

.card {
  width: 100%;
  max-width: 260px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.card h2 {
  margin: 0;
  font-size: 1.1rem;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.button {
  display: inline-block;
  margin-top: 8px;
  padding: 10px 18px;
  border-radius: 6px;
  background: var(--accent);
  color: var(--accent-text);
  text-decoration: none;
  font-weight: 600;
}

.button.disabled {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  font-weight: 400;
  cursor: default;
}

.meta {
  font-size: 0.85rem;
  color: var(--muted);
}

footer {
  width: 100%;
  max-width: 900px;
  padding: 32px 24px 24px;
  margin-top: auto;
}

.features {
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.features p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.copyright {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 0.85rem;
}

.copyright a {
  color: var(--muted);
  text-decoration: underline;
}

.copyright a:hover {
  color: var(--text);
}