/* Air Bladder — project landing page.
   Self-contained: every asset is served from this site, no external requests.
   Palette is lifted from the system's own CSS — teal #12a3b4 accent,
   parchment light mode, Foundry ink dark mode. */

@font-face {
  font-family: "Alegreya";
  src: url("fonts/Alegreya-Regular.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: "Alegreya";
  src: url("fonts/Alegreya-Medium.woff2") format("woff2");
  font-weight: 500;
  font-display: swap;
}
@font-face {
  font-family: "Alegreya";
  src: url("fonts/Alegreya-Bold.woff2") format("woff2");
  font-weight: 700;
  font-display: swap;
}

:root {
  --bg: #f1ead8;
  --bg-raised: #e7ded0;
  --ink: #191813;
  --ink-soft: #4a4335;
  --rule: #c9c7b8;
  --accent: #0f7f8c;
  --accent-ink: #fff;
  --shadow: 0 1px 3px rgba(25, 24, 19, .18);
  --measure: 62ch;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #191813;
    --bg-raised: #23221b;
    --ink: #ede7d7;
    --ink-soft: #b5b3a4;
    --rule: #3a382e;
    --accent: #12a3b4;
    --accent-ink: #0d1416;
    --shadow: 0 1px 3px rgba(0, 0, 0, .5);
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 0 1.25rem 4rem;
  background: var(--bg);
  color: var(--ink);
  font-family: "Alegreya", Georgia, "Times New Roman", serif;
  font-size: 19px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

main, header, footer { max-width: 880px; margin: 0 auto; }

a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { text-decoration-thickness: 2px; }

h2 {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: .01em;
  margin: 0 0 .6rem;
  padding-bottom: .35rem;
  border-bottom: 1px solid var(--rule);
}

section { margin: 3rem 0; }
p { max-width: var(--measure); }

/* ---- masthead ---- */

.masthead { text-align: center; padding: 3.5rem 0 1rem; }

.wordmark {
  width: min(520px, 90vw);
  height: auto;
}

.tagline {
  max-width: none;
  font-size: 1.2rem;
  color: var(--ink-soft);
  margin: 1.2rem auto .2rem;
}

.toplinks {
  display: flex;
  gap: .6rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 1.6rem;
}

.btn {
  display: inline-block;
  padding: .45rem 1.1rem;
  border: 1px solid var(--accent);
  border-radius: 3px;
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
}
.btn:hover { background: var(--accent); color: var(--accent-ink); }
.btn-primary { background: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { filter: brightness(1.12); }

/* ---- lede ---- */

.lede { margin-top: 2.5rem; }
.lede p { font-size: 1.08rem; }
.whence { color: var(--ink-soft); font-size: .96rem; }

/* ---- install ---- */

.req { color: var(--ink-soft); margin-top: 0; }
.steps { max-width: var(--measure); padding-left: 1.3rem; }
.steps li { margin: .35rem 0; }

.manifest {
  display: flex;
  align-items: stretch;
  gap: .5rem;
  flex-wrap: wrap;
  margin-top: .8rem;
}

.manifest code {
  flex: 1 1 22rem;
  min-width: 0;
  padding: .6rem .75rem;
  background: var(--bg-raised);
  border: 1px solid var(--rule);
  border-radius: 3px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: .82rem;
  line-height: 1.5;
  overflow-wrap: anywhere;
  user-select: all;
}

.manifest button {
  flex: 0 0 auto;
  padding: .6rem 1.15rem;
  background: var(--accent);
  color: var(--accent-ink);
  border: 1px solid var(--accent);
  border-radius: 3px;
  font-family: inherit;
  font-size: .95rem;
  font-weight: 500;
  cursor: pointer;
}
.manifest button:hover { filter: brightness(1.12); }
.manifest button.copied { background: #2a6; border-color: #2a6; color: #fff; }

/* ---- features ---- */

.features { max-width: var(--measure); padding-left: 1.2rem; }
.features li { margin: .4rem 0; }

/* ---- screenshots ---- */

.shots {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin: 1rem 0 .5rem;
}

figure { margin: 0; }
figure img {
  width: 100%;
  height: auto;
  display: block;
  border: 1px solid var(--rule);
  border-radius: 3px;
  box-shadow: var(--shadow);
}
figcaption {
  margin-top: .4rem;
  font-size: .9rem;
  color: var(--ink-soft);
  text-align: center;
}

.wide { margin-top: 2rem; max-width: 640px; }
.wide figcaption { text-align: left; }
.print { margin: 2rem auto 0; max-width: 360px; }
.print figcaption { text-align: center; }
.caption { font-size: .95rem; color: var(--ink-soft); }

/* ---- guide cards ---- */

/* minmax is 320px, not 260px, so the four cards settle into a 2x2 at full
   width instead of 3-and-an-orphan. */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1rem;
  margin-top: 1.2rem;
}

.card {
  display: block;
  padding: 1rem 1.1rem;
  background: var(--bg-raised);
  border: 1px solid var(--rule);
  border-radius: 3px;
  color: inherit;
  text-decoration: none;
}
.card:hover { border-color: var(--accent); }
.card h3 {
  margin: 0 0 .35rem;
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--accent);
}
.card p { margin: 0; max-width: none; font-size: .95rem; color: var(--ink-soft); }

/* ---- status ---- */

.ai-note {
  padding: .8rem 1rem;
  border-left: 3px solid var(--accent);
  background: var(--bg-raised);
  font-size: .97rem;
}

/* ---- licences ---- */

.licences { margin: 1.2rem 0 0; max-width: var(--measure); }
.licences dt { font-weight: 700; margin-top: 1rem; }
.licences dd { margin: .2rem 0 0; color: var(--ink-soft); font-size: .96rem; }

/* ---- footer ---- */

footer {
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--rule);
  text-align: center;
}

.badge {
  width: 200px;
  height: auto;
  border-radius: 3px;
}

.fine {
  max-width: none;
  font-size: .9rem;
  color: var(--ink-soft);
  margin: .8rem 0 0;
}

@media (max-width: 520px) {
  body { font-size: 18px; }
  .masthead { padding-top: 2rem; }
}