/* Bearded Themes — site styles. Everything accent-coloured reads from
   --accent, which app.js swaps when a variant is picked. */

:root {
  --bg:        #0b0e11;
  --bg-raise:  #111418;
  --bg-card:   #14181d;
  --bg-term:   #0f1215;
  --line:      #1e242c;
  --line-soft: #171c22;
  --fg:        #e6ebf2;
  --fg-dim:    #a0acbb;
  --fg-mute:   #6d7885;

  --accent:      #38c7bd;
  --accent-soft: #90e0da;
  --accent-ink:  #060708;

  --red:    #e35535;
  --green:  #00a884;
  --yellow: #c7910c;
  --blue:   #11b7d4;
  --pink:   #d46ec0;

  --radius: 14px;
  --max: 1120px;
  --sans: 'Inter', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, 'Iosevka Term', 'SF Mono', Menlo, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 90px; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: var(--accent); text-decoration: none; transition: color .18s ease; }
a:hover { color: var(--accent-soft); }

code, pre { font-family: var(--mono); font-size: .875em; }

h1, h2, h3 { line-height: 1.15; letter-spacing: -0.022em; margin: 0; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* --- ambient glow ------------------------------------------------------- */

.glow {
  position: fixed;
  inset: -30vh 0 auto 0;
  height: 90vh;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(48rem 32rem at 50% 0%, color-mix(in srgb, var(--accent) 16%, transparent), transparent 70%),
    radial-gradient(30rem 24rem at 82% 12%, color-mix(in srgb, var(--accent) 8%, transparent), transparent 70%);
  transition: background .5s ease;
}

/* --- nav ---------------------------------------------------------------- */

.nav {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between;
  gap: 1.5rem;
  max-width: var(--max);
  margin: 0 auto;
  padding: 1rem 1.5rem;
}
.nav::before {
  content: ''; position: absolute; inset: 0; z-index: -1;
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .25s ease;
}
.nav.scrolled::before { border-bottom-color: var(--line-soft); }

.brand { display: inline-flex; align-items: center; gap: .6rem; color: var(--fg); font-weight: 600; letter-spacing: -0.01em; }
.brand:hover { color: var(--fg); }
.brand-mark {
  width: 18px; height: 18px; border-radius: 5px;
  background: linear-gradient(140deg, var(--accent), color-mix(in srgb, var(--accent) 40%, var(--bg-term)));
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent) 35%, transparent), 0 0 18px -4px var(--accent);
  transition: background .35s ease, box-shadow .35s ease;
}
.brand-accent { color: var(--accent); transition: color .35s ease; }

.nav-links { display: flex; align-items: center; gap: 1.4rem; }
.nav-links a { color: var(--fg-dim); font-size: .9rem; font-weight: 500; }
.nav-links a:hover { color: var(--fg); }
.nav-gh {
  display: inline-flex; align-items: center; gap: .45rem;
  padding: .4rem .75rem;
  border: 1px solid var(--line); border-radius: 8px;
}
.nav-gh:hover { border-color: color-mix(in srgb, var(--accent) 45%, var(--line)); }

@media (max-width: 720px) {
  .nav-links a:not(.nav-gh) { display: none; }
}

/* --- layout ------------------------------------------------------------- */

main { position: relative; z-index: 1; max-width: var(--max); margin: 0 auto; padding: 0 1.5rem; }

.section { padding: 6rem 0 0; }
.section > h2 { font-size: clamp(1.7rem, 3.6vw, 2.3rem); }
.section-sub { color: var(--fg-dim); margin: .6rem 0 2.5rem; max-width: 46ch; }

/* --- hero --------------------------------------------------------------- */

.hero { padding: 5rem 0 0; text-align: center; }

.eyebrow {
  display: inline-block;
  margin: 0 0 1.5rem;
  padding: .35rem .85rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 6%, transparent);
  color: var(--fg-dim);
  font-size: .78rem; font-weight: 500; letter-spacing: .04em;
  transition: background .35s ease;
}

.hero h1 { font-size: clamp(2.6rem, 7.5vw, 4.6rem); font-weight: 700; letter-spacing: -0.04em; }
.grad {
  background: linear-gradient(100deg, var(--accent), var(--accent-soft) 55%, var(--fg) 130%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}

.lede {
  max-width: 58ch;
  margin: 1.4rem auto 0;
  color: var(--fg-dim);
  font-size: 1.075rem;
}

.cta {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: center;
  gap: .75rem;
  margin: 2.4rem 0 1rem;
}

.hero-note { color: var(--fg-mute); font-size: .875rem; margin: 0; }
.hero-note code { color: var(--fg-dim); }

/* --- command box -------------------------------------------------------- */

.cmd {
  display: flex; align-items: stretch; gap: .5rem;
  max-width: 100%;
  padding: .3rem .3rem .3rem .95rem;
  background: var(--bg-term);
  border: 1px solid var(--line);
  border-radius: 11px;
  text-align: left;
}
.cmd > code {
  flex: 1; min-width: 0;
  align-self: center;
  padding: .5rem 0;
  color: var(--fg-dim);
  overflow-x: auto;
  white-space: pre;
  scrollbar-width: thin;
}
.cmd > code::-webkit-scrollbar { height: 5px; }
.cmd > code::-webkit-scrollbar-thumb { background: var(--line); border-radius: 3px; }
.cmd-block { align-items: flex-start; padding-top: .8rem; padding-bottom: .8rem; }
.cmd-block > code { white-space: pre; line-height: 1.85; }

.copy {
  display: inline-flex; align-items: center; gap: .4rem;
  flex: none; align-self: center;
  padding: .5rem .8rem;
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  color: var(--accent);
  border: 1px solid color-mix(in srgb, var(--accent) 25%, transparent);
  border-radius: 8px;
  font: inherit; font-size: .8rem; font-weight: 500;
  cursor: pointer;
  transition: background .18s ease, color .18s ease;
}
.copy:hover { background: color-mix(in srgb, var(--accent) 20%, transparent); }
.copy.done { background: color-mix(in srgb, var(--green) 18%, transparent); color: var(--green); border-color: color-mix(in srgb, var(--green) 35%, transparent); }

/* --- buttons ------------------------------------------------------------ */

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: .78rem 1.3rem;
  border-radius: 10px;
  font-size: .92rem; font-weight: 600;
  border: 1px solid var(--line);
  transition: border-color .18s ease, background .18s ease, transform .18s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-ghost { color: var(--fg-dim); background: var(--bg-raise); }
.btn-ghost:hover { color: var(--fg); border-color: color-mix(in srgb, var(--accent) 45%, var(--line)); }
.btn-accent {
  background: var(--accent); color: var(--accent-ink);
  border-color: var(--accent);
  box-shadow: 0 8px 30px -12px var(--accent);
}
.btn-accent:hover { color: var(--accent-ink); background: var(--accent-soft); border-color: var(--accent-soft); }

/* --- variant switcher --------------------------------------------------- */

.variants { padding-top: 4.5rem; text-align: center; }
.switcher-label { color: var(--fg-mute); font-size: .82rem; letter-spacing: .04em; text-transform: uppercase; margin: 0 0 1rem; }

.switcher {
  display: inline-flex; flex-wrap: wrap; justify-content: center; gap: .4rem;
  padding: .35rem;
  background: var(--bg-raise);
  border: 1px solid var(--line);
  border-radius: 12px;
}
.switcher button {
  display: inline-flex; align-items: center; gap: .55rem;
  padding: .55rem .95rem;
  background: none; border: 1px solid transparent; border-radius: 9px;
  color: var(--fg-dim);
  font: inherit; font-size: .875rem; font-weight: 500;
  cursor: pointer;
  transition: background .18s ease, color .18s ease, border-color .18s ease;
}
.switcher button:hover { color: var(--fg); }
.switcher button[aria-checked="true"] {
  background: color-mix(in srgb, var(--sw) 14%, transparent);
  border-color: color-mix(in srgb, var(--sw) 32%, transparent);
  color: var(--fg);
}
.switcher .dot {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--sw);
  box-shadow: 0 0 10px -1px var(--sw);
}

/* --- window / terminal preview ------------------------------------------ */

.preview { margin-top: 2.5rem; }

.win {
  max-width: 780px; margin: 0 auto;
  background: var(--bg-term);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  text-align: left;
  box-shadow: 0 40px 90px -40px #000, 0 0 60px -30px color-mix(in srgb, var(--accent) 55%, transparent);
  transition: box-shadow .45s ease;
}
.win-bar {
  display: flex; align-items: center; gap: .8rem;
  padding: .6rem .9rem;
  background: #060708;
  border-bottom: 1px solid var(--line-soft);
}
.dots { display: inline-flex; gap: .38rem; }
.dots i { width: 10px; height: 10px; border-radius: 50%; background: var(--line); }
.dots i:first-child { background: color-mix(in srgb, var(--red) 70%, var(--line)); }
.dots i:nth-child(2) { background: color-mix(in srgb, var(--yellow) 70%, var(--line)); }
.dots i:last-child { background: color-mix(in srgb, var(--green) 70%, var(--line)); }
.win-title { color: var(--fg-mute); font-size: .78rem; font-family: var(--mono); }

.term {
  margin: 0;
  padding: 1.2rem 1.3rem 1.5rem;
  font-size: .82rem;
  line-height: 1.85;
  color: var(--fg-dim);
  overflow-x: auto;
}
.c-prompt { color: var(--accent); transition: color .35s ease; }
.c-cmd    { color: var(--fg); }
.c-arg    { color: var(--yellow); }
.c-ok     { color: var(--green); }
.c-dim    { color: var(--fg-mute); }
.c-accent { color: var(--accent); transition: color .35s ease; }
.caret {
  display: inline-block; width: 2px; height: 1em;
  margin-left: .35rem; vertical-align: text-bottom;
  background: var(--accent);
  animation: blink 1.1s steps(1) infinite;
  transition: background .35s ease;
}
@keyframes blink { 50% { opacity: 0; } }

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

.shots {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
}
@media (max-width: 760px) { .shots { grid-template-columns: 1fr; } }

.shots figure { margin: 0; }
.shots a {
  display: block;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-term);
  transition: border-color .25s ease, transform .25s ease, box-shadow .25s ease;
}
.shots a:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--accent) 45%, var(--line));
  box-shadow: 0 24px 60px -30px #000, 0 0 40px -24px var(--accent);
}
.shots img { display: block; width: 100%; height: auto; }
.shots figcaption {
  margin-top: .7rem;
  color: var(--fg-dim);
  font-size: .875rem; font-weight: 500;
}

.note {
  display: flex; gap: 1rem;
  margin-top: 2rem;
  padding: 1.1rem 1.3rem;
  background: color-mix(in srgb, var(--accent) 6%, var(--bg-card));
  border: 1px solid color-mix(in srgb, var(--accent) 22%, transparent);
  border-radius: var(--radius);
  transition: background .35s ease, border-color .35s ease;
}
.note-icon { color: var(--accent); font-size: 1rem; line-height: 1.7; transition: color .35s ease; }
.note p { margin: 0; color: var(--fg-dim); font-size: .93rem; }
.note strong { color: var(--fg); }
.note em { color: var(--accent); font-style: normal; font-weight: 500; transition: color .35s ease; }

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

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
}
.card {
  padding: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color .25s ease, transform .25s ease;
}
.card:hover { border-color: color-mix(in srgb, var(--accent) 40%, var(--line)); transform: translateY(-2px); }
.card h3 { font-size: 1.02rem; font-weight: 600; margin-bottom: .55rem; }
.card p { margin: 0; color: var(--fg-dim); font-size: .92rem; }
.card code { color: var(--accent-soft); }

/* --- tabs --------------------------------------------------------------- */

.tab-btns { display: inline-flex; gap: .3rem; padding: .3rem; background: var(--bg-raise); border: 1px solid var(--line); border-radius: 11px; margin-bottom: 1.5rem; }
.tab-btns button {
  padding: .5rem 1rem;
  background: none; border: 1px solid transparent; border-radius: 8px;
  color: var(--fg-dim); font: inherit; font-size: .875rem; font-weight: 500;
  cursor: pointer;
  transition: background .18s ease, color .18s ease, border-color .18s ease;
}
.tab-btns button:hover { color: var(--fg); }
.tab-btns button[aria-selected="true"] {
  background: color-mix(in srgb, var(--accent) 14%, transparent);
  border-color: color-mix(in srgb, var(--accent) 30%, transparent);
  color: var(--fg);
}
.tab-panel > p { color: var(--fg-dim); font-size: .93rem; margin: 0 0 .9rem; }
.tab-panel .cmd { margin-bottom: 1.4rem; }
.tab-panel .muted { color: var(--fg-mute); font-size: .875rem; }
.tab-panel .muted code { color: var(--fg-dim); }

.flags { width: 100%; border-collapse: collapse; margin-top: .5rem; font-size: .9rem; }
.flags th { text-align: left; padding: .6rem .8rem; color: var(--fg-mute); font-weight: 500; font-size: .78rem; text-transform: uppercase; letter-spacing: .05em; border-bottom: 1px solid var(--line); }
.flags td { padding: .65rem .8rem; border-bottom: 1px solid var(--line-soft); color: var(--fg-dim); vertical-align: top; }
.flags tr:last-child td { border-bottom: 0; }
.flags td:first-child { white-space: nowrap; }
.flags code { color: var(--accent-soft); }

/* --- palette ------------------------------------------------------------ */

.swatches { display: grid; grid-template-columns: repeat(auto-fit, minmax(132px, 1fr)); gap: .7rem; }
.swatch {
  padding: .85rem;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: 11px;
}
.swatch .chip { height: 44px; border-radius: 7px; border: 1px solid rgba(255,255,255,.06); }
.swatch .name { display: block; margin-top: .65rem; font-size: .8rem; font-weight: 500; color: var(--fg); }
.swatch .hex { display: block; font-family: var(--mono); font-size: .72rem; color: var(--fg-mute); }

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

.closing { text-align: center; padding-bottom: 1rem; }
.closing-sub { margin-left: auto; margin-right: auto; max-width: 58ch; }

.footer {
  position: relative; z-index: 1;
  max-width: var(--max);
  margin: 6rem auto 0;
  padding: 2rem 1.5rem 3rem;
  border-top: 1px solid var(--line-soft);
  text-align: center;
}
.footer p { margin: 0; color: var(--fg-mute); font-size: .85rem; }

/* --- reveal on scroll --------------------------------------------------- */

.reveal { opacity: 0; transform: translateY(14px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}