/* ==========================================================================
   sections.css: tracklist (back cover), liner notes (gatefold), the studio
   ========================================================================== */

/* ---------- Tracklist ---------- */
.tl-head {
  display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between;
  gap: 24px 40px; margin-bottom: clamp(32px, 4vw, 52px);
}
.tl-head .sec-head { margin-bottom: 0; }

.now-playing {
  display: flex; align-items: center; gap: 14px;
  padding: 8px 24px 8px 8px; border-radius: 999px;
  background: var(--espresso); color: var(--cream);
  box-shadow: var(--shadow-soft);
}
.np-disc {
  flex: none; width: 64px; height: 64px; border-radius: 50%;
  display: grid; place-items: center;
  background:
    radial-gradient(circle closest-side, var(--orange) 0 40%, transparent 41%),
    repeating-radial-gradient(circle closest-side, #120903 0 5%, #2d1b10 5% 8%);
  box-shadow: 0 0 0 3px var(--mustard);
}
.np-label { font: .72rem/1 var(--f-groove); color: var(--espresso); }
.now-playing.is-playing .np-disc { animation: spin 2.4s linear infinite; }
.now-playing p { display: flex; flex-direction: column; margin: 0; line-height: 1.15; }
.now-playing small { font: .68rem/1.3 var(--f-type); letter-spacing: .14em; text-transform: uppercase; color: var(--mustard); }
.now-playing b { font: 400 1.25rem/1.15 var(--f-display); }

.backcover {
  position: relative; overflow: hidden;
  padding: clamp(20px, 4vw, 52px); border-radius: 28px;
  background: var(--paper) var(--noise);
  box-shadow: var(--shadow-soft), inset 0 0 0 1.5px rgba(36, 19, 10, .14);
}
.backcover::before { /* faint ring wear from the record inside */
  content: ""; position: absolute; right: -12%; top: -38%; width: 58%; aspect-ratio: 1; border-radius: 50%;
  box-shadow: inset 0 0 0 9px rgba(36, 19, 10, .04), inset 0 0 0 10px rgba(255, 255, 255, .25);
  pointer-events: none;
}
.bc-top {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 6px 16px;
  margin-bottom: clamp(18px, 3vw, 30px); padding-bottom: 14px;
  border-bottom: 2px dashed rgba(36, 19, 10, .25);
  font: .8rem/1.3 var(--f-type); letter-spacing: .08em; text-transform: uppercase;
}
.sides { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(20px, 4vw, 56px); }
.side-title {
  display: flex; align-items: center; gap: .45em; margin-bottom: .5rem;
  font-family: var(--f-display); font-size: clamp(1.8rem, 3.4vw, 2.4rem); color: var(--rust);
}
.side-title::before {
  content: ""; width: .9em; height: .9em; border-radius: 50%;
  background: radial-gradient(circle closest-side, var(--mustard) 0 30%, var(--espresso) 32%);
}
.tracks { list-style: none; padding: 0; }
.track { border-bottom: 1.5px solid rgba(36, 19, 10, .16); }
.track h4 { font: inherit; }
.track-btn {
  width: 100%; display: flex; align-items: baseline; gap: 12px;
  padding: 16px 6px; border: 0; border-radius: 14px;
  background: none; text-align: left; cursor: pointer;
  transition: background-color .25s, padding .45s var(--ease-groove);
}
.track-btn:hover { background: rgba(233, 169, 58, .24); padding-left: 14px; }
.t-no { flex: none; min-width: 2.1ch; font: 1rem/1 var(--f-groove); color: var(--rust); }
.t-name { font-size: clamp(1.12rem, 2vw, 1.32rem); font-weight: 800; line-height: 1.2; }
.t-name em { font-weight: 500; font-size: .8em; color: var(--ink-soft); }
.t-dots { flex: 1; min-width: 14px; border-bottom: 2px dotted rgba(36, 19, 10, .35); transform: translateY(-5px); }
.t-len { flex: none; font: .86rem/1.2 var(--f-type); white-space: nowrap; }
.t-icon {
  position: relative; align-self: center; flex: none; width: 26px; height: 26px; border-radius: 50%;
  background: var(--espresso);
  transition: rotate .5s var(--ease-groove), background-color .3s;
}
.t-icon::before, .t-icon::after {
  content: ""; position: absolute; left: 50%; top: 50%; width: 12px; height: 2px; margin: -1px 0 0 -6px;
  border-radius: 2px; background: var(--cream);
}
.t-icon::after { rotate: 90deg; }
.track.is-open .t-icon { rotate: 135deg; background: var(--orange); }
.track-panel > div { padding-left: calc(2.1ch + 18px); }
.track-panel p { margin: 2px 0 12px; max-width: 46ch; color: var(--ink-soft); }
.t-tags { list-style: none; padding: 0; margin: 0 0 20px; display: flex; flex-wrap: wrap; gap: 6px; }
.t-tags li {
  padding: .55em .85em; border-radius: 999px;
  background: var(--espresso); color: var(--cream);
  font: .7rem/1 var(--f-groove); letter-spacing: .1em; text-transform: uppercase;
}
.t-tags li:nth-child(4n+2) { background: var(--teal); }
.t-tags li:nth-child(4n+3) { background: var(--rust); }
.t-tags li:nth-child(4n+4) { background: var(--mustard); color: var(--espresso); }

/* Accordion motion (collapsed only when JS is on) */
.js .track-panel { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .55s var(--ease-soul); }
.js .track-panel > div { min-height: 0; overflow: hidden; visibility: hidden; transition: visibility 0s .55s; }
.js .track.is-open .track-panel { grid-template-rows: 1fr; }
.js .track.is-open .track-panel > div { visibility: visible; transition-delay: 0s; }

@media (max-width: 820px) {
  .sides { grid-template-columns: 1fr; }
  .now-playing { padding-right: 20px; }
}
@media (max-width: 420px) {
  .track-btn { gap: 9px; }
  .t-len { font-size: .78rem; }
  .track-panel > div { padding-left: 4px; }
}

/* ---------- Liner notes: the gatefold ---------- */
.gatefold {
  position: relative; overflow: hidden;
  display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
  border-radius: 30px;
  background: var(--paper) var(--noise);
  box-shadow: 0 40px 70px -40px rgba(60, 25, 5, .6), inset 0 0 0 1.5px rgba(36, 19, 10, .12);
}
.gatefold::before { /* the fold */
  content: ""; position: absolute; top: 0; bottom: 0; left: 55%; width: 28px; translate: -50% 0;
  background: linear-gradient(90deg, transparent, rgba(36, 19, 10, .14) 45%, rgba(255, 255, 255, .4) 55%, transparent);
  pointer-events: none;
}
.gf-panel { position: relative; padding: clamp(24px, 5vw, 64px); }
.gf-left h2 { margin-bottom: 1.3rem; }
.gf-bio p { font-size: 1.07rem; }
.gf-bio p:first-child::first-letter {
  float: left; margin: .08em .1em 0 0;
  font-family: var(--f-display); font-size: 3.6em; line-height: .8; color: var(--orange);
}
.signoff { margin: 1.8rem 0 0; font-weight: 700; }
.signoff span {
  display: block; margin-bottom: .2rem; rotate: -4deg; transform-origin: left;
  font-family: var(--f-display); font-weight: 400; font-size: clamp(2rem, 4vw, 2.6rem); line-height: 1.1; color: var(--rust);
}
.gf-right {
  font-family: var(--f-type);
  background: repeating-linear-gradient(0deg, transparent 0 31px, rgba(36, 19, 10, .06) 31px 32px);
}
.credits-title { margin-bottom: 1rem; font: 400 1rem/1.2 var(--f-groove); letter-spacing: .22em; text-transform: uppercase; }
.credits { margin-bottom: 2rem; }
.credits div {
  display: flex; flex-wrap: wrap; align-items: baseline; gap: 2px 10px;
  padding: 9px 0; border-bottom: 1px dashed rgba(36, 19, 10, .28);
  font-size: .94rem; line-height: 1.4;
}
.credits dt { font-weight: 700; }
.credits dd { margin: 0 0 0 auto; text-align: right; }
.stats { list-style: none; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.stats li { padding: 16px 16px 14px; border-radius: 20px; background: var(--espresso); color: var(--cream); }
.stats li:nth-child(2) { background: var(--teal); }
.stats li:nth-child(3) { background: var(--rust); }
.stats li:nth-child(4) { background: var(--mustard); color: var(--espresso); }
.stats b { display: block; font: 400 clamp(2rem, 4vw, 2.7rem)/1.05 var(--f-display); }
.stats span { font: .74rem/1.3 var(--f-groove); letter-spacing: .1em; text-transform: uppercase; }

@media (max-width: 900px) {
  .gatefold { grid-template-columns: minmax(0, 1fr); }
  .gatefold::before { display: none; }
  .gf-right { border-top: 2px dashed rgba(36, 19, 10, .25); }
}

/* ---------- The studio: the mansion ---------- */
.studio { background: var(--mustard) var(--noise); }
.studio .eyebrow { color: var(--espresso); }
.studio .eyebrow::before { background: linear-gradient(var(--cream) 0 33.3%, var(--orange) 33.3% 66.6%, var(--brown) 66.6%); }
.studio-grid {
  display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  align-items: center; gap: clamp(40px, 6vw, 88px);
}
.studio-art { padding: 24px; }
.arch {
  position: relative; overflow: hidden; isolation: isolate;
  max-width: 440px; margin-inline: auto; aspect-ratio: 4 / 5;
  border-radius: 999px 999px 28px 28px;
  background: var(--cream);
  box-shadow: 0 0 0 10px var(--cream), 0 0 0 16px var(--rust), 0 0 0 22px var(--brown), 0 40px 60px -30px rgba(60, 25, 5, .7);
}
.arch-sun {
  position: absolute; z-index: -2; inset: -40% -40% -20% -40%;
  background:
    radial-gradient(circle at 50% 50%, var(--mustard) 0 8%, var(--cream) 8% 9.5%, transparent 9.5%),
    repeating-conic-gradient(from 0deg at 50% 50%, var(--orange-2) 0 7deg, var(--cream) 7deg 14deg);
  animation: spin 90s linear infinite;
}
.arch::before { /* fade the rays toward the frame */
  content: ""; position: absolute; z-index: -1; inset: 0;
  background: radial-gradient(circle at 50% 40%, transparent 22%, rgba(246, 231, 200, .92) 72%);
}
.arch img { position: absolute; left: 0; bottom: 0; width: 100%; }

.studio .sec-head > p:last-child { color: var(--espresso); }
.features { list-style: none; padding: 0; margin-bottom: 2.2rem; display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.features li { padding: 20px; border-radius: 22px; background: var(--cream); box-shadow: 0 5px 0 var(--brown); }
.f-icon {
  display: grid; place-items: center; width: 48px; height: 48px; margin-bottom: 12px; border-radius: 50%;
  background: var(--orange); color: var(--espresso);
}
.features li:nth-child(2) .f-icon { background: var(--teal); color: var(--cream); }
.features li:nth-child(3) .f-icon { background: var(--rust); color: var(--cream); }
.features li:nth-child(4) .f-icon { background: var(--espresso); color: var(--mustard); }
.features h3 { margin-bottom: .45rem; font: 400 1.2rem/1.15 var(--f-groove); }
.features p { margin: 0; font-size: .98rem; line-height: 1.5; }

@media (max-width: 900px) {
  .studio-grid { grid-template-columns: minmax(0, 1fr); }
  .arch { max-width: 360px; }
}
@media (max-width: 560px) {
  .features { grid-template-columns: 1fr; }
  .studio-art { padding: 22px 22px 8px; }
}