:root {
  --bg: #090909;
  --panel: #11100f;
  --panel-2: #171411;
  --text: #f4efe8;
  --muted: #b7ada2;
  --line: rgba(255,255,255,.09);
  --orange: #ff8a1f;
  --amber: #ffc15a;
  --cream: #f7e7cc;
  --max: 1180px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(circle at 20% 0%, rgba(255,138,31,.09), transparent 28%),
    radial-gradient(circle at 100% 30%, rgba(255,193,90,.06), transparent 22%),
    var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.68;
}
a { color: inherit; }
img { max-width: 100%; display: block; }
button, input { font: inherit; }
.wrap { width: min(calc(100% - 36px), var(--max)); margin: 0 auto; }
.site-header {
  position: sticky; top: 0; z-index: 30;
  border-bottom: 1px solid var(--line);
  background: rgba(9,9,9,.82);
  backdrop-filter: blur(18px);
}
.nav { min-height: 68px; display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.brand { text-decoration: none; font-weight: 800; letter-spacing: -.03em; }
.brand span { color: var(--orange); }
.navlinks { display: flex; gap: 16px; flex-wrap: wrap; }
.navlinks a { text-decoration: none; color: var(--muted); font-size: .94rem; }
.navlinks a:hover { color: var(--text); }
.hero { padding: 96px 0 72px; }
.eyebrow { color: var(--amber); text-transform: uppercase; letter-spacing: .22em; font-size: .74rem; font-weight: 800; }
h1, h2, h3 { line-height: 1.05; letter-spacing: -.035em; }
h1 { margin: 14px 0 20px; font-size: clamp(3rem, 8vw, 7rem); max-width: 960px; }
h2 { font-size: clamp(2rem, 4vw, 3.6rem); margin: 0 0 18px; }
h3 { font-size: 1.4rem; margin-top: 2.2em; }
.lede { max-width: 760px; color: var(--muted); font-size: clamp(1.08rem, 2vw, 1.35rem); }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 30px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 44px; padding: 0 18px; border-radius: 999px; text-decoration: none;
  border: 1px solid var(--line); background: #151310; color: var(--text); font-weight: 700;
}
.btn.primary { background: linear-gradient(135deg, var(--orange), #ffb347); color: #120b05; border-color: transparent; }
.btn:hover { transform: translateY(-1px); }
.section { padding: 58px 0; }
.section-head { max-width: 760px; margin-bottom: 28px; }
.section-head p { color: var(--muted); }
.grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.card {
  position: relative; overflow: hidden; border: 1px solid var(--line); border-radius: 28px;
  background: linear-gradient(180deg, rgba(255,255,255,.025), rgba(255,255,255,.01));
  min-height: 360px;
}
.card-inner { padding: 28px; }
.card h3 { margin: 8px 0 12px; font-size: 2rem; }
.card p { color: var(--muted); }
.card-art { aspect-ratio: 16/9; object-fit: cover; width: 100%; border-bottom: 1px solid var(--line); }
.card-kicker { color: var(--amber); font-size: .78rem; text-transform: uppercase; letter-spacing: .18em; font-weight: 800; }
.card-link { margin-top: 20px; display: inline-flex; text-decoration: none; font-weight: 800; }
.card-link::after { content: ' →'; }
.quote {
  margin: 36px 0; padding: 28px 30px; border-left: 3px solid var(--orange);
  background: linear-gradient(90deg, rgba(255,138,31,.08), transparent); border-radius: 0 18px 18px 0;
  font-size: clamp(1.35rem, 3vw, 2.2rem); line-height: 1.25; font-weight: 750; letter-spacing: -.02em;
}
.feature-hero { padding: 70px 0 36px; }
.feature-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 38px; align-items: center; }
.feature-art { border-radius: 28px; border: 1px solid var(--line); box-shadow: 0 30px 80px rgba(0,0,0,.35); }
.meta { color: var(--muted); margin-top: 14px; }
.player {
  margin-top: 26px; padding: 18px; border: 1px solid var(--line); border-radius: 22px;
  background: rgba(255,255,255,.025);
}
.player-top { display: flex; gap: 16px; align-items: center; }
.play-btn {
  width: 52px; height: 52px; border-radius: 50%; border: 0; cursor: pointer; flex: 0 0 auto;
  background: linear-gradient(135deg, var(--orange), var(--amber)); color: #160b03; font-weight: 900;
}
.track-meta strong { display: block; }
.track-meta span { color: var(--muted); font-size: .92rem; }
.seek-row { display: grid; grid-template-columns: auto 1fr auto; gap: 12px; align-items: center; margin-top: 14px; color: var(--muted); font-size: .82rem; }
.seek { width: 100%; accent-color: var(--orange); }
.guide-shell { display: grid; grid-template-columns: 280px minmax(0, 1fr); gap: 44px; align-items: start; }
.toc {
  position: sticky; top: 92px; padding: 20px; border: 1px solid var(--line); border-radius: 20px; background: rgba(255,255,255,.018);
}
.toc strong { display: block; margin-bottom: 12px; }
.toc a { display: block; color: var(--muted); text-decoration: none; padding: 5px 0; font-size: .92rem; }
.toc a:hover { color: var(--text); }
.prose { max-width: 760px; }
.prose p, .prose li { color: #ded7cf; }
.prose ul { padding-left: 1.2rem; }
.prose blockquote {
  margin: 22px 0; padding: 18px 20px; border-left: 3px solid var(--orange); background: rgba(255,138,31,.06); color: var(--cream);
}
.prompt-box {
  position: relative; margin: 20px 0; padding: 20px; border: 1px solid rgba(255,193,90,.18); border-radius: 18px; background: #12100d;
  color: var(--cream);
}
.prompt-box code { white-space: pre-wrap; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .92rem; }
.copy-btn { margin-top: 12px; border: 1px solid var(--line); background: transparent; color: var(--muted); border-radius: 999px; padding: 7px 11px; cursor: pointer; }
.note { padding: 18px 20px; border: 1px solid rgba(255,193,90,.18); border-radius: 18px; background: rgba(255,193,90,.05); }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.mini-card { padding: 22px; border: 1px solid var(--line); border-radius: 20px; background: rgba(255,255,255,.018); }
footer { margin-top: 72px; padding: 34px 0 56px; border-top: 1px solid var(--line); color: var(--muted); font-size: .9rem; }
footer .foot { display: flex; justify-content: space-between; gap: 18px; flex-wrap: wrap; }
.small { font-size: .88rem; color: var(--muted); }
@media (max-width: 860px) {
  .grid, .feature-grid, .guide-shell, .split { grid-template-columns: 1fr; }
  .toc { position: static; }
  .hero { padding-top: 68px; }
  .feature-art { max-width: 620px; }
}
@media (max-width: 560px) {
  .nav { align-items: flex-start; padding: 14px 0; }
  .navlinks { justify-content: flex-end; gap: 10px; }
  h1 { font-size: clamp(2.7rem, 17vw, 4.8rem); }
  .card-inner { padding: 22px; }
}


.guide-grid { align-items: stretch; }
.card-glow { isolation: isolate; }
.card-glow::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  pointer-events: none;
  z-index: 0;
  opacity: .9;
}
.card-glow > * { position: relative; z-index: 1; }
.card-avi::before {
  background: radial-gradient(circle at 22% 18%, rgba(255,138,31,.26), transparent 34%), radial-gradient(circle at 80% 78%, rgba(255,193,90,.18), transparent 28%);
}
.card-amber::before {
  background: radial-gradient(circle at 24% 18%, rgba(255,230,180,.13), transparent 35%), radial-gradient(circle at 75% 30%, rgba(255,193,90,.18), transparent 30%);
}
.amber-card-art {
  aspect-ratio: 16/9;
  width: 100%;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 18% 18%, rgba(255,193,90,.18), transparent 24%),
    radial-gradient(circle at 80% 20%, rgba(255,138,31,.20), transparent 25%),
    linear-gradient(135deg, #14110f 0%, #0d0c0b 100%);
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.amber-card-tag {
  align-self: flex-start;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.1);
  color: var(--amber);
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
  background: rgba(255,255,255,.035);
}
.amber-card-title {
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: .96;
  font-weight: 800;
  letter-spacing: -.04em;
  max-width: 220px;
}
.amber-card-subtitle {
  color: var(--muted);
  font-size: .92rem;
}
.amber-hero .feature-grid { align-items: center; }
.abstract-feature { display: flex; justify-content: center; }
.abstract-cover {
  position: relative;
  width: min(100%, 470px);
  min-height: 520px;
  overflow: hidden;
  border-radius: 30px;
  border: 1px solid var(--line);
  background:
    radial-gradient(circle at 18% 18%, rgba(255,193,90,.20), transparent 24%),
    radial-gradient(circle at 82% 22%, rgba(255,138,31,.22), transparent 26%),
    radial-gradient(circle at 50% 82%, rgba(255,255,255,.07), transparent 28%),
    linear-gradient(145deg, #171310 0%, #0e0c0a 48%, #19130f 100%);
  box-shadow: 0 30px 80px rgba(0,0,0,.34);
  padding: 30px;
}
.cover-tag {
  display: inline-flex;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
  color: var(--amber);
  text-transform: uppercase;
  letter-spacing: .18em;
  font-size: .72rem;
  font-weight: 800;
}
.cover-title {
  margin-top: 26px;
  max-width: 260px;
  font-size: clamp(2.4rem, 6vw, 4rem);
  line-height: .95;
  letter-spacing: -.05em;
  font-weight: 800;
}
.cover-subtitle {
  margin-top: 16px;
  max-width: 260px;
  color: var(--muted);
  font-size: 1rem;
}
.cover-pill-row {
  position: absolute;
  left: 30px;
  right: 30px;
  bottom: 34px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.cover-pill-row span {
  padding: 9px 13px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.045);
  color: #f0e4d1;
  font-size: .8rem;
}
.cover-lines {
  position: absolute;
  inset: auto 24px 92px auto;
  width: 170px;
  height: 170px;
  border-radius: 24px;
  background:
    linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px);
  background-size: 22px 22px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,1), rgba(0,0,0,.25));
  opacity: .55;
}
.cover-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(.2px);
}
.orb-a {
  width: 170px;
  height: 170px;
  right: -16px;
  top: 118px;
  background: radial-gradient(circle at 35% 35%, rgba(255,215,150,.95), rgba(255,138,31,.35) 45%, rgba(255,138,31,0) 72%);
}
.orb-b {
  width: 120px;
  height: 120px;
  left: 48px;
  bottom: 112px;
  background: radial-gradient(circle at 35% 35%, rgba(255,255,255,.85), rgba(255,193,90,.26) 50%, rgba(255,193,90,0) 76%);
}
.orb-c {
  width: 220px;
  height: 220px;
  right: 86px;
  bottom: -54px;
  background: radial-gradient(circle at 35% 35%, rgba(255,138,31,.42), rgba(255,138,31,0) 72%);
}
@media (max-width: 860px) {
  .guide-grid {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: minmax(84%, 84%);
    overflow-x: auto;
    gap: 16px;
    padding-bottom: 6px;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
  }
  .guide-grid::-webkit-scrollbar { height: 8px; }
  .guide-grid::-webkit-scrollbar-thumb { background: rgba(255,255,255,.12); border-radius: 999px; }
  .guide-grid > .card { scroll-snap-align: start; min-height: 100%; }
  .abstract-cover { min-height: 400px; }
}
@media (max-width: 560px) {
  .guide-grid { grid-auto-columns: 88%; }
  .amber-card-art { padding: 20px; }
  .cover-pill-row { left: 22px; right: 22px; bottom: 24px; }
  .abstract-cover { padding: 22px; min-height: 360px; }
}


/* Final publication polish */
.site-disclaimer {
  margin: 20px 0 0;
  max-width: 820px;
  color: #8f867d;
  font-size: .78rem;
  line-height: 1.55;
}
.back-to-top {
  display: none;
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 40;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-size: 1.15rem;
  font-weight: 900;
  color: #160b03;
  background: linear-gradient(135deg, var(--orange), var(--amber));
  border: 1px solid rgba(255,255,255,.18);
  box-shadow: 0 12px 32px rgba(0,0,0,.35), 0 0 28px rgba(255,138,31,.12);
}
.back-to-top:focus-visible,
.btn:focus-visible,
.card-link:focus-visible,
.toc a:focus-visible,
.navlinks a:focus-visible,
.copy-btn:focus-visible,
.play-btn:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
}
@media (max-width: 860px) {
  .back-to-top { display: inline-flex; }
}