:root {
  --bg: #0d1117;
  --panel: #161b22;
  --line: #2a3139;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #2f81f7;
  --accent-hover: #4493f8;
  --link: #58a6ff;
  color-scheme: dark;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  font:
    16px/1.6 system-ui,
    -apple-system,
    Segoe UI,
    Roboto,
    sans-serif;
  background: var(--bg);
  color: var(--text);
}
a {
  color: var(--link);
}
.wrap {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 16px;
}

.hero {
  background:
    url('banner.svg') center / cover no-repeat,
    #05070f;
  border-bottom: 1px solid var(--line);
  padding: 64px 0 48px;
  text-align: center;
}
.logo {
  display: block;
  margin: 0 auto 12px;
}
h1 {
  font-size: clamp(2rem, 6vw, 3rem);
  margin: 0;
  letter-spacing: -0.02em;
}
.tagline {
  max-width: 620px;
  margin: 12px auto 32px;
  font-size: 1.125rem;
  color: #c9d1d9;
}

.installs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}
.install {
  display: flex;
  flex-direction: column;
  min-width: 170px;
  padding: 12px 20px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(22, 27, 34, 0.85);
  color: var(--text);
  text-decoration: none;
  transition:
    background 0.15s,
    border-color 0.15s;
}
.install:hover:not(.soon) {
  border-color: var(--accent);
}
.install.mine {
  background: var(--accent);
  border-color: var(--accent);
}
.install.mine:hover:not(.soon) {
  background: var(--accent-hover);
}
.install.soon {
  cursor: default;
  opacity: 0.7;
}
.b-name {
  font-weight: 600;
  font-size: 1.05rem;
}
.b-note {
  font-size: 0.85rem;
  color: #c9d1d9;
}
.also {
  margin: 16px 0 0;
  font-size: 0.875rem;
  color: var(--muted);
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 16px;
  margin: 48px 0;
}
.feature {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 20px;
}
.feature h2 {
  font-size: 1.05rem;
  margin: 0 0 6px;
}
.feature p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.how {
  margin-bottom: 48px;
}
.how h2 {
  font-size: 1.25rem;
}
.how ol {
  padding-left: 1.25rem;
  color: #c9d1d9;
}

footer {
  border-top: 1px solid var(--line);
  padding: 24px 16px 40px;
  font-size: 0.875rem;
  color: var(--muted);
}
footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}
.disclaimer {
  margin: 12px 0 0;
}

/* Fan kit screenshots — always shown whole (aspect-ratio kept, never cropped). */
.shot {
  position: relative;
  margin: 0;
}
.shot img:not(.mbtc) {
  display: block;
  width: 100%;
  height: auto;
}
.shot-hero {
  max-width: 1400px;
  margin: 0 auto;
}
.mbtc {
  position: absolute;
  right: 2%;
  bottom: 4%;
  width: clamp(40px, 6%, 84px);
  height: auto;
  opacity: 0.85;
}
.mbtc-left {
  right: auto;
  left: 2%;
}
.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  margin-bottom: 48px;
}
.gallery .shot img:not(.mbtc) {
  border-radius: 10px;
}
.gallery .mbtc {
  width: clamp(36px, 12%, 64px);
}

.notices {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin-top: 20px;
}
.notices img {
  flex: none;
  opacity: 0.85;
}
.notices p {
  margin: 0 0 6px;
  font-size: 0.875rem; /* Fankit Guidelines: no smaller than 10pt */
}

/* Privacy page */
.doc {
  max-width: 720px;
  padding: 40px 16px 24px;
}
.doc h1 {
  font-size: 2rem;
}
.doc h2 {
  font-size: 1.2rem;
  margin-top: 32px;
}
.doc li {
  margin: 4px 0;
}
.doc .updated {
  color: var(--muted);
}