:root {
  --c-bg:        #111111;
  --c-surface:   #1E1E1E;
  --c-card:      #222222;
  --c-fg:        #EEEEEE;
  --c-fg-muted:  #888888;
  --c-fg-dim:    #AAAAAA;
  --c-border:    #2D2D2D;
  --c-accent:    #FFFFFF;
  --c-accent-fg: #0A0A0A;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--c-bg);
  color: var(--c-fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
               "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  color-scheme: dark;
}

a {
  color: var(--c-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}
a:hover { text-decoration-thickness: 2px; }

main {
  max-width: 760px;
  margin: 0 auto;
  padding: 48px 24px 64px;
}

.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 24px 0 40px;
  border-bottom: 1px solid var(--c-border);
  margin-bottom: 40px;
}

.hero-mark {
  width: 180px;
  height: 180px;
  background: var(--c-accent);
  -webkit-mask: url(/lemme.png) center/contain no-repeat;
          mask: url(/lemme.png) center/contain no-repeat;
  margin-bottom: 20px;
}

.hero h1 {
  margin: 0 0 10px;
  font-size: 44px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--c-fg);
}

.hero .tagline {
  margin: 0;
  color: var(--c-fg-muted);
  font-size: 17px;
}

h2 {
  font-size: 22px;
  margin: 32px 0 16px;
  color: var(--c-fg);
  font-weight: 600;
}

.card {
  background: var(--c-card);
  border: 1px solid var(--c-border);
  border-radius: 12px;
  padding: 20px 24px;
}

.note {
  color: var(--c-fg-muted);
  font-size: 15px;
  margin: 0 0 16px;
}

.download-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.download-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--c-border);
}
.download-list li:last-child { border-bottom: 0; }

.download-btn {
  display: inline-block;
  padding: 10px 20px;
  background: var(--c-accent);
  color: var(--c-accent-fg);
  text-decoration: none;
  border-radius: 8px;
  font-weight: 600;
  font-size: 14px;
  transition: opacity 150ms ease;
}
.download-btn:hover { opacity: 0.85; }
.download-btn.disabled {
  background: var(--c-surface);
  color: var(--c-fg-muted);
  border: 1px solid var(--c-border);
  pointer-events: none;
}

.meta {
  color: var(--c-fg-muted);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.policy-text p { margin: 0 0 14px; }
.policy-text .updated {
  color: var(--c-fg-muted);
  font-size: 13px;
  margin-top: -8px;
}

footer {
  margin-top: 56px;
  padding-top: 24px;
  border-top: 1px solid var(--c-border);
  color: var(--c-fg-muted);
  font-size: 13px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
footer a { color: var(--c-fg-muted); }
footer a:hover { color: var(--c-accent); }

@media (max-width: 560px) {
  main { padding: 32px 18px 48px; }
  .hero-mark { width: 140px; height: 140px; }
  .hero h1 { font-size: 34px; }
  .download-list li { flex-direction: column; align-items: flex-start; }
}