/* ============================================================
   Airtune Podcast — public website
   Premium dark listening experience, sharing the Airtune brand.
   ============================================================ */
:root {
  color-scheme: dark;
  --bg: #0b0d14;
  --bg-2: #101320;
  --bg-3: #161a2b;
  --surface: #12162a;
  --text: #f4f5fb;
  --muted: #9aa1b4;
  --line: color-mix(in srgb, #ffffff 10%, transparent);
  --purple: #8b5cf6;
  --pink: #ec4899;
  --blue: #3b82f6;
  --cyan: #06b6d4;
  --grad: linear-gradient(135deg, var(--purple), var(--pink));
  --grad-2: linear-gradient(135deg, var(--blue), var(--purple));
  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 24px 60px color-mix(in srgb, var(--bg) 45%, transparent);
  --maxw: 1180px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body.site {
  font-family: 'Outfit', system-ui, -apple-system, sans-serif;
  background:
    radial-gradient(900px 500px at 85% -10%, color-mix(in srgb, var(--purple) 16%, transparent), transparent 60%),
    radial-gradient(800px 500px at 0% 0%, color-mix(in srgb, var(--blue) 12%, transparent), transparent 55%),
    var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  padding-bottom: 0;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; }

.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.skip-link { position: absolute; left: -999px; top: 0; background: var(--text); color: var(--bg); padding: 8px 14px; z-index: 999; }
.skip-link:focus { left: 8px; top: 8px; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible {
  outline: 2px solid var(--cyan); outline-offset: 3px;
}
.muted { color: var(--muted); }

/* ---- Header ---- */
.site-header {
  position: sticky; top: 0; z-index: 40;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}
.site-header__inner {
  max-width: var(--maxw); margin: 0 auto; padding: 14px 22px;
  display: flex; align-items: center; gap: 22px;
}
.site-brand__logo { height: 51px; width: auto; }
.site-nav { display: flex; gap: 6px; margin-left: 8px; }
.site-nav__link { padding: 8px 14px; border-radius: 10px; color: var(--muted); font-weight: 500; font-size: .95rem; transition: .2s; }
.site-nav__link:hover, .site-nav__link.is-active { color: var(--text); background: color-mix(in srgb, var(--text) 6%, transparent); }
.site-search {
  margin-left: auto; display: flex; align-items: center; gap: 8px;
  background: color-mix(in srgb, var(--text) 5%, transparent); border: 1px solid var(--line);
  border-radius: 12px; padding: 8px 14px; color: var(--muted); min-width: 220px;
}
.site-search input { background: none; border: none; outline: none; color: var(--text); width: 100%; font-size: .92rem; }
.site-menu-toggle { display: none; background: none; border: 0; cursor: pointer; flex-direction: column; gap: 5px; padding: 8px; }
.site-menu-toggle span { width: 22px; height: 2px; background: var(--text); border-radius: 2px; }
.site-header__cats {
  max-width: var(--maxw); margin: 0 auto; padding: 0 22px 12px;
  display: flex; gap: 8px; overflow-x: auto; scrollbar-width: none;
}
.site-header__cats::-webkit-scrollbar { display: none; }

.chip {
  display: inline-flex; align-items: center; gap: 7px; white-space: nowrap;
  padding: 6px 13px; border-radius: 20px; font-size: .82rem; font-weight: 500;
  background: color-mix(in srgb, var(--text) 5%, transparent); border: 1px solid var(--line); color: var(--muted);
  transition: .2s;
}
.chip:hover { color: var(--text); border-color: color-mix(in srgb, var(--purple) 50%, transparent); }
.chip span { font-size: .72rem; opacity: .6; }
.chip--lg { padding: 10px 18px; font-size: .92rem; }
.chip-row { display: flex; flex-wrap: wrap; gap: 10px; }

/* ---- Layout ---- */
.site-main { min-height: 60vh; }
.section { max-width: var(--maxw); margin: 0 auto; padding: 54px 22px; }
.section--top { padding-top: 40px; }
.section__head { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; margin-bottom: 26px; flex-wrap: wrap; }
.section__head h1, .section__head h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); font-weight: 700; letter-spacing: -.5px; }
.section__more { color: var(--muted); font-weight: 500; }
.section__more:hover { color: var(--text); }

/* ---- Buttons ---- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 11px 20px; border-radius: 12px; font-weight: 600; font-size: .95rem;
  border: 1px solid transparent; cursor: pointer; transition: .2s; text-align: center;
}
.btn--primary { background: var(--grad); color: var(--text); box-shadow: 0 10px 30px color-mix(in srgb, var(--purple) 35%, transparent); }
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 14px 38px color-mix(in srgb, var(--purple) 50%, transparent); }
.btn--ghost { background: color-mix(in srgb, var(--text) 6%, transparent); border-color: var(--line); color: var(--text); }
.btn--ghost:hover { background: color-mix(in srgb, var(--text) 12%, transparent); }

/* ---- Hero ---- */
.hero { max-width: var(--maxw); margin: 0 auto; padding: 60px 22px 20px; }
.hero__inner { display: grid; grid-template-columns: 1.05fr .95fr; gap: 46px; align-items: center; }
.hero__eyebrow { display: inline-block; font-size: .78rem; letter-spacing: 3px; text-transform: uppercase; color: var(--pink); font-weight: 700; margin-bottom: 16px; }
.hero__copy h1 { font-size: clamp(2.4rem, 5.5vw, 4rem); line-height: 1.03; font-weight: 800; letter-spacing: -2px; }
.hero__copy p { color: var(--muted); font-size: 1.1rem; margin: 20px 0 30px; max-width: 520px; }
.hero__actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero__media { position: relative; border-radius: 24px; overflow: hidden; box-shadow: var(--shadow); border: 1px solid var(--line); }
.hero__media img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4/3; }
.hero__media::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 40%, color-mix(in srgb, var(--bg) 55%, transparent)); }

/* ---- Podcast grid ---- */
.grid--podcasts { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 24px; }
.pcard {
  background: linear-gradient(180deg, var(--surface), var(--bg-2));
  border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
  transition: .28s cubic-bezier(.2, .8, .3, 1); display: flex; flex-direction: column;
}
.pcard:hover { transform: translateY(-6px); border-color: color-mix(in srgb, var(--purple) 45%, transparent); box-shadow: 0 26px 50px color-mix(in srgb, var(--bg) 50%, transparent); }
.pcard__art { display: block; aspect-ratio: 1; overflow: hidden; }
.pcard__art img { width: 100%; height: 100%; object-fit: cover; transition: .5s; }
.pcard:hover .pcard__art img { transform: scale(1.06); }
.pcard__body { padding: 18px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.pcard__cat { font-size: .72rem; text-transform: uppercase; letter-spacing: 1.4px; color: var(--purple); font-weight: 700; }
.pcard__title { font-size: 1.12rem; font-weight: 700; line-height: 1.25; }
.pcard__title a:hover { color: var(--text); }
.pcard__author { color: var(--muted); font-size: .88rem; }
.pcard__desc { color: var(--muted); font-size: .88rem; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.pcard__foot { display: flex; justify-content: space-between; align-items: center; margin-top: auto; padding-top: 14px; font-size: .82rem; color: var(--muted); }
.pcard__link { color: var(--pink); font-weight: 600; }

/* ---- Episode list ---- */
.stack { display: flex; flex-direction: column; gap: 14px; }
.ecard {
  display: grid; grid-template-columns: 96px 1fr; gap: 18px; align-items: center;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px; transition: .22s;
}
.ecard:hover { border-color: color-mix(in srgb, var(--purple) 40%, transparent); background: var(--bg-3); }
.ecard__art { width: 96px; height: 96px; border-radius: var(--radius-sm); overflow: hidden; }
.ecard__art img { width: 100%; height: 100%; object-fit: cover; }
.ecard__body { min-width: 0; }
.ecard__pod { color: var(--purple); font-size: .78rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; }
.ecard__title { font-size: 1.08rem; font-weight: 700; margin: 3px 0; line-height: 1.3; }
.ecard__title a:hover { color: var(--text); }
.ecard__meta { color: var(--muted); font-size: .82rem; }
.ecard__desc { color: var(--muted); font-size: .88rem; margin-top: 6px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.ecard__heading { display: flex; align-items: center; gap: 14px; }
.ecard__heading-copy { min-width: 0; }
.ecard__heading .play-btn { width: 54px; height: 54px; }
.episode-waveform {
  --wave-progress: 0%;
  position: relative; height: 68px; margin: 8px 0 4px; overflow: hidden;
  padding-right: 48px;
  color: color-mix(in srgb, var(--text) 38%, transparent);
}
.episode-waveform__bars {
  position: absolute; inset: 0 48px 0 0; display: flex; align-items: center; justify-content: space-between;
}
.episode-waveform__bars span {
  flex: 0 0 1px; height: var(--wave-height); border-radius: 1px; background: currentColor;
}
.episode-waveform__played {
  position: absolute; inset: 0 48px 0 0; overflow: hidden;
  clip-path: inset(0 calc(100% - var(--wave-progress)) 0 0);
  color: #fff;
}
.episode-waveform__played .episode-waveform__bars { inset: 0; }
.episode-waveform__shade {
  position: absolute; inset: 50% 48px 0 0;
  background: color-mix(in srgb, var(--bg) 55%, transparent);
  pointer-events: none;
}
.episode-waveform__duration, .episode-waveform__current {
  position: absolute; right: 0; font-size: .72rem; line-height: 1;
  color: var(--text); font-variant-numeric: tabular-nums;
}
.episode-waveform__current { top: 8px; }
.episode-waveform__duration { bottom: 8px; }
.episode-hero__heading { display: flex; align-items: center; gap: 16px; margin: 6px 0 10px; }
.episode-hero__heading h1 { margin: 0; }
.episode-hero__info > .episode-waveform { max-width: 720px; margin: -4px 0 18px; }

/* ---- Play button ---- */
.play-btn {
  width: 46px; height: 46px; border-radius: 50%; border: none; cursor: pointer;
  background: var(--grad); color: var(--text); display: grid; place-items: center; flex: 0 0 auto;
  box-shadow: 0 8px 22px color-mix(in srgb, var(--purple) 40%, transparent); transition: .2s;
}
.play-btn:hover { transform: scale(1.08); }
.play-btn.is-playing { background: var(--grad-2); }
.play-btn--lg { width: 60px; height: 60px; }

/* ---- Podcast hero ---- */
.podcast-hero { max-width: var(--maxw); margin: 0 auto; padding: 48px 22px 12px; }
.podcast-hero__inner { display: grid; grid-template-columns: 260px 1fr; gap: 40px; align-items: center; }
.podcast-hero__cover { border-radius: 22px; overflow: hidden; box-shadow: var(--shadow); border: 1px solid var(--line); }
.podcast-hero__cover img { aspect-ratio: 1; object-fit: cover; width: 100%; }
.podcast-hero__info h1 { font-size: clamp(2rem, 4.5vw, 3.2rem); font-weight: 800; letter-spacing: -1.5px; line-height: 1.05; margin: 8px 0; }
.podcast-hero__author { color: var(--purple); font-weight: 600; margin-bottom: 12px; }
.podcast-hero__desc { color: var(--muted); max-width: 720px; }
.podcast-hero__meta { display: flex; gap: 16px; flex-wrap: wrap; color: var(--muted); font-size: .9rem; margin: 14px 0; }
.podcast-hero__meta a { color: var(--blue); }
.podcast-hero__actions { display: flex; gap: 12px; flex-wrap: wrap; margin: 18px 0 12px; }
.subscribe-links { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; font-size: .88rem; }
.subscribe-links a { color: var(--muted); border-bottom: 1px solid transparent; }
.subscribe-links a:hover { color: var(--text); border-color: var(--purple); }

/* ---- Episode hero ---- */
.episode-hero { max-width: var(--maxw); margin: 0 auto; padding: 48px 22px 12px; }
.episode-hero__inner { display: grid; grid-template-columns: 300px 1fr; gap: 40px; align-items: start; }
.episode-hero__art { border-radius: 22px; overflow: hidden; box-shadow: var(--shadow); border: 1px solid var(--line); }
.episode-hero__art img { aspect-ratio: 1; object-fit: cover; width: 100%; }
.episode-hero__info h1 { font-size: clamp(1.7rem, 3.6vw, 2.7rem); font-weight: 800; letter-spacing: -1px; line-height: 1.1; margin: 6px 0 10px; }
.episode-hero__meta { color: var(--muted); font-size: .9rem; }
.episode-hero__actions { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; margin: 20px 0; }
.episode-hero__desc { color: var(--muted); white-space: pre-wrap; border-top: 1px solid var(--line); padding-top: 18px; }

/* ---- Search ---- */
.inline-search { display: flex; gap: 10px; }
.inline-search--wide { max-width: 560px; margin-bottom: 20px; }
.inline-search input { background: color-mix(in srgb, var(--text) 5%, transparent); border: 1px solid var(--line); border-radius: 12px; padding: 11px 16px; color: var(--text); outline: none; min-width: 220px; }
.inline-search input:focus { border-color: var(--purple); }

.empty-state { padding: 54px 20px; text-align: center; color: var(--muted); border: 1px dashed var(--line); border-radius: var(--radius); }
.error-page { text-align: center; padding: 100px 20px; }
.error-page h1 { font-size: 5rem; font-weight: 800; background: var(--grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.error-page p { color: var(--muted); margin: 12px 0 24px; }

/* ---- Footer ---- */
.site-footer { border-top: 1px solid var(--line); background: color-mix(in srgb, var(--bg) 75%, transparent); margin-top: 60px; }
.site-footer__inner { max-width: var(--maxw); margin: 0 auto; padding: 48px 22px; display: grid; grid-template-columns: 1.4fr 1fr; gap: 40px; }
.site-footer__logo { height: 51px; margin-bottom: 14px; }
.site-footer__brand p { color: var(--muted); max-width: 420px; }
.site-footer__cols { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
.site-footer__cols h4 { font-size: .82rem; text-transform: uppercase; letter-spacing: 1.5px; color: var(--text); margin-bottom: 12px; }
.site-footer__cols a, .site-footer__cols span { display: block; color: var(--muted); font-size: .9rem; margin-bottom: 8px; }
.site-footer__cols a:hover { color: var(--text); }
.site-footer__bottom { max-width: var(--maxw); margin: 0 auto; padding: 18px 22px; display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; color: var(--muted); font-size: .82rem; border-top: 1px solid var(--line); }
.site-footer__copyright { display: flex; flex-direction: column; gap: 4px; }
.site-footer__copyright a { color: inherit; }
.site-footer__copyright a:hover { color: var(--text); }
.site-footer__attribution { display: inline-flex; align-items: center; }
.site-footer__attribution-logo { display: block; width: 160px; height: auto; object-fit: contain; }

/* ---- Mini player ---- */
.mini-player {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 60;
  display: grid; grid-template-columns: 52px minmax(120px, 1fr) auto auto minmax(160px, 1.4fr) auto auto;
  align-items: center; gap: 16px;
  padding: 12px 20px calc(12px + env(safe-area-inset-bottom));
  background: color-mix(in srgb, var(--bg-2) 94%, transparent); backdrop-filter: blur(20px);
  border-top: 1px solid color-mix(in srgb, var(--purple) 35%, transparent);
  box-shadow: 0 -18px 50px color-mix(in srgb, var(--bg) 50%, transparent);
}
.mini-player[hidden] { display: none; }
.mini-player__art img { width: 52px; height: 52px; border-radius: 10px; object-fit: cover; }
.mini-player__meta { min-width: 0; }
.mini-player__title { display: block; font-weight: 600; font-size: .95rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mini-player__title:hover { color: var(--text); }
.mini-player__sub { color: var(--muted); font-size: .8rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; display: block; }
.mini-player__controls { display: flex; align-items: center; gap: 8px; }
.mp-btn { background: color-mix(in srgb, var(--text) 6%, transparent); border: 1px solid var(--line); color: var(--text); width: 38px; height: 38px; border-radius: 10px; cursor: pointer; display: grid; place-items: center; font-size: .72rem; font-weight: 700; transition: .18s; }
.mp-btn:hover { background: color-mix(in srgb, var(--text) 14%, transparent); }
.mp-btn svg { width: 20px; height: 20px; }
.mp-btn--primary { background: var(--grad); width: 44px; height: 44px; border: none; }
.mp-rate select { color-scheme: dark; background-color: var(--bg-2); border: 1px solid var(--line); color: var(--text); border-radius: 8px; padding: 8px; font-size: .8rem; }
.mp-rate select option { color: var(--text); background-color: var(--bg-2); }
.mini-player__seek { display: flex; align-items: center; gap: 10px; font-variant-numeric: tabular-nums; font-size: .78rem; color: var(--muted); }
.mini-player__seek input[type="range"] { flex: 1; accent-color: var(--pink); }
.mini-player__volume { display: flex; align-items: center; gap: 8px; }
.mini-player__volume input[type="range"] { width: 80px; accent-color: var(--purple); }
.mini-player.loading .mini-player__sub::after { content: ' · buffering…'; color: var(--purple); }

body.has-mini-player { padding-bottom: 96px; }

/* ---- Responsive ---- */
@media (max-width: 900px) {
  .hero__inner { grid-template-columns: 1fr; gap: 28px; }
  .hero__media { order: -1; }
  .podcast-hero__inner { grid-template-columns: 200px 1fr; gap: 26px; }
  .episode-hero__inner { grid-template-columns: 1fr; }
  .episode-hero__art { max-width: 280px; }
  .site-footer__inner { grid-template-columns: 1fr; }
  .mini-player {
    grid-template-columns: 46px 1fr auto;
    grid-template-areas: 'art meta controls' 'seek seek seek';
    row-gap: 10px;
  }
  .mini-player__art { grid-area: art; }
  .mini-player__meta { grid-area: meta; }
  .mini-player__controls { grid-area: controls; }
  .mini-player__seek { grid-area: seek; }
  .mini-player__volume, #mp-download, #mp-close { display: none; }
}
@media (max-width: 620px) {
  .site-search { display: none; }
  .site-menu-toggle { display: flex; }
  .site-nav { display: none; position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; background: color-mix(in srgb, var(--bg-2) 98%, transparent); padding: 14px; border-bottom: 1px solid var(--line); }
  .site-header.open .site-nav { display: flex; }
  .podcast-hero__inner { grid-template-columns: 1fr; text-align: center; }
  .podcast-hero__cover { max-width: 220px; margin: 0 auto; }
  .ecard { grid-template-columns: 72px 1fr; }
  .ecard__art { width: 72px; height: 72px; }
  .ecard__heading { gap: 10px; }
  .ecard__heading .play-btn { width: 46px; height: 46px; }
  .episode-hero__heading { gap: 12px; }
  .episode-hero__heading .play-btn { width: 50px; height: 50px; }
}