:root {
  color-scheme: dark;
  --ink: #070707;
  --panel: #10100f;
  --panel-soft: #171513;
  --white: #fff7ed;
  --muted: #b8aaa0;
  --ember: #ff3a12;
  --amber: #ff8a16;
  --wine: #541013;
  --cyan: #78f4ff;
  --line: rgba(255, 247, 237, 0.16);
  --shadow: rgba(0, 0, 0, 0.48);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: linear-gradient(180deg, #090909 0%, #11100f 46%, #070707 100%);
  color: var(--white);
}

body::selection {
  background: var(--cyan);
  color: var(--ink);
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input {
  font: inherit;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.35rem 2rem;
  color: var(--white);
  mix-blend-mode: difference;
}

.brand,
.nav-links,
.ticket-link {
  display: flex;
  align-items: center;
}

.brand {
  gap: 0.65rem;
  font-size: 0.9rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.brand-mark {
  width: 0.8rem;
  height: 0.8rem;
  background: var(--white);
  box-shadow: 0.42rem 0 0 var(--ember);
  transform: skew(-14deg);
}

.nav-links {
  gap: 1.35rem;
  font-size: 0.76rem;
  text-transform: uppercase;
}

.nav-links a,
.ticket-link,
.text-link {
  transition:
    color 180ms ease,
    transform 180ms ease,
    border-color 180ms ease;
}

.nav-links a:hover,
.text-link:hover {
  color: var(--cyan);
}

.ticket-link {
  min-height: 2.3rem;
  padding: 0 1rem;
  border: 1px solid currentColor;
  border-radius: 999px;
  font-size: 0.74rem;
  font-weight: 800;
  text-transform: uppercase;
}

.ticket-link:hover {
  transform: translateY(-2px);
  color: var(--cyan);
}

.hero {
  --mx: 50%;
  --my: 48%;
  --shift-x: 0px;
  --shift-y: 0px;
  position: relative;
  min-height: 100svh;
  overflow: hidden;
  isolation: isolate;
  display: grid;
  align-items: end;
  padding: 7rem 2rem 4rem;
  background: var(--ink);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0;
  background: radial-gradient(circle at var(--mx) var(--my), rgba(120, 244, 255, 0.22), transparent 18rem);
  transition: opacity 260ms ease;
}

.hero:hover::before {
  opacity: 1;
}

.hero-poster {
  position: absolute;
  inset: 0;
  z-index: -3;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  background: var(--ink);
  filter: saturate(1.22) contrast(1.08);
  transition:
    filter 420ms ease,
    transform 720ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.hero:hover .hero-poster {
  filter: saturate(1.34) contrast(1.14);
  transform: scale(1.035);
}

.hero-shade {
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(90deg, rgba(5, 5, 5, 0.58) 0%, rgba(5, 5, 5, 0.18) 42%, rgba(5, 5, 5, 0.34) 100%),
    linear-gradient(0deg, rgba(5, 5, 5, 0.8) 0%, rgba(5, 5, 5, 0.05) 42%, rgba(5, 5, 5, 0.38) 100%);
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.26;
  background-image:
    linear-gradient(rgba(255, 247, 237, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 247, 237, 0.05) 1px, transparent 1px);
  background-size: 6rem 6rem;
  mask-image: linear-gradient(180deg, transparent, #000 22%, transparent 86%);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(100%, 72rem);
  margin: 0 auto;
  transform: translate3d(var(--shift-x), var(--shift-y), 0);
  transition: transform 220ms ease-out;
}

.eyebrow,
.section-kicker,
.track-heading p {
  margin: 0;
  color: var(--cyan);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 12ch;
  margin: 0.65rem 0 1rem;
  font-size: 7.25rem;
  line-height: 0.84;
  letter-spacing: 0;
  text-transform: uppercase;
  text-shadow: 0 1.2rem 4rem var(--shadow);
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  max-width: 36rem;
}

.hero-meta span {
  min-height: 2rem;
  display: inline-flex;
  align-items: center;
  padding: 0 0.8rem;
  border: 1px solid rgba(255, 247, 237, 0.32);
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.14);
  font-size: 0.78rem;
  font-weight: 700;
  backdrop-filter: blur(12px);
  transition:
    background 180ms ease,
    border-color 180ms ease,
    color 180ms ease,
    transform 180ms ease;
}

.hero-meta span:hover {
  background: rgba(120, 244, 255, 0.14);
  border-color: rgba(120, 244, 255, 0.72);
  color: var(--white);
  transform: translateY(-2px);
}

.hero-player {
  --hover-x: 0px;
  --hover-y: 0px;
  width: min(100%, 28.5rem);
  margin-top: 1.5rem;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 0.9rem 1rem;
  align-items: center;
  padding: 0.95rem;
  border: 1px solid rgba(255, 247, 237, 0.24);
  border-radius: 8px;
  background: rgba(7, 7, 7, 0.34);
  box-shadow: 0 1.4rem 4rem rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(18px);
  transform: translate3d(var(--hover-x), var(--hover-y), 0);
  transition:
    background 220ms ease,
    border-color 220ms ease,
    box-shadow 220ms ease,
    transform 160ms ease;
}

.hero-player:hover {
  background: rgba(12, 12, 11, 0.52);
  border-color: rgba(120, 244, 255, 0.58);
  box-shadow:
    0 1.8rem 5rem rgba(0, 0, 0, 0.38),
    0 0 2.5rem rgba(255, 58, 18, 0.18);
}

.hero-track {
  min-width: 0;
  display: grid;
  gap: 0.16rem;
}

.hero-track span,
.hero-track small {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-track strong {
  overflow: hidden;
  color: var(--white);
  font-size: 1rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.hero-eq {
  display: flex;
  align-items: end;
  justify-content: center;
  gap: 0.22rem;
  width: 3.8rem;
  height: 2rem;
}

.hero-eq span {
  width: 0.28rem;
  height: calc(0.45rem + var(--i) * 0.12rem);
  border-radius: 999px;
  background: linear-gradient(180deg, var(--cyan), var(--amber) 55%, var(--ember));
  opacity: 0.56;
  animation: eqPulse 760ms ease-in-out infinite alternate;
  animation-delay: calc(var(--i) * -90ms);
  animation-play-state: paused;
}

.hero-player:hover .hero-eq span,
body.is-audio-playing .hero-eq span {
  opacity: 1;
  animation-play-state: running;
}

.hero-seek {
  grid-column: 1 / -1;
}

@keyframes eqPulse {
  from {
    transform: scaleY(0.42);
  }

  to {
    transform: scaleY(1.45);
  }
}

.scroll-cue {
  position: absolute;
  right: 2rem;
  bottom: 2rem;
  display: grid;
  width: 2.75rem;
  height: 2.75rem;
  place-items: center;
  border: 1px solid rgba(255, 247, 237, 0.44);
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.16);
  backdrop-filter: blur(14px);
}

.scroll-cue span {
  width: 0.6rem;
  height: 0.6rem;
  border-right: 2px solid var(--white);
  border-bottom: 2px solid var(--white);
  transform: rotate(45deg) translate(-1px, -1px);
}

.player-section,
.sessions-section,
.visual-section {
  padding: 6.5rem 2rem;
}

.player-grid,
.section-heading,
.visual-section {
  width: min(100%, 72rem);
  margin: 0 auto;
}

.player-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(22rem, 1.15fr);
  gap: 3rem;
  align-items: center;
}

.player-copy h2,
.section-heading h2,
.visual-copy h2 {
  margin: 0.65rem 0 0;
  font-size: 3.3rem;
  line-height: 0.98;
  letter-spacing: 0;
}

.player-copy p,
.visual-copy p,
.session-card p {
  color: var(--muted);
  line-height: 1.72;
}

.player-copy p,
.visual-copy p {
  max-width: 34rem;
  margin: 1.2rem 0 0;
  font-size: 1rem;
}

.player-panel,
.session-card,
.visual-media {
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(255, 58, 18, 0.17), transparent 44%),
    rgba(16, 16, 15, 0.9);
  box-shadow: 0 1.6rem 5rem rgba(0, 0, 0, 0.34);
}

.player-panel {
  padding: 1.25rem;
}

.track-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.track-heading h3 {
  margin: 0.15rem 0 0;
  font-size: 2rem;
  letter-spacing: 0;
}

.track-badge,
.date,
.venue {
  color: var(--amber);
  font-size: 0.76rem;
  font-weight: 800;
  text-transform: uppercase;
}

#visualizer {
  display: block;
  width: 100%;
  height: 11rem;
  border: 1px solid rgba(255, 247, 237, 0.1);
  border-radius: 6px;
  background:
    linear-gradient(180deg, rgba(255, 138, 22, 0.08), rgba(0, 0, 0, 0.12)),
    #090909;
}

.progress-row {
  display: grid;
  grid-template-columns: 3.25rem 1fr 3.25rem;
  gap: 0.85rem;
  align-items: center;
  margin: 1rem 0 1.15rem;
  color: var(--muted);
  font-size: 0.78rem;
  font-variant-numeric: tabular-nums;
}

.seek,
.volume-control input {
  width: 100%;
  accent-color: var(--ember);
}

.controls {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.icon-button,
.play-button {
  --hover-x: 0px;
  --hover-y: 0px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  color: var(--white);
  background: rgba(255, 255, 255, 0.04);
  cursor: pointer;
  transition:
    transform 180ms ease,
    background 180ms ease,
    border-color 180ms ease;
  transform: translate3d(var(--hover-x), var(--hover-y), 0);
}

.icon-button {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
}

.play-button {
  width: 3.8rem;
  height: 3.8rem;
  border: 0;
  border-radius: 50%;
  color: var(--ink);
  background: var(--white);
  box-shadow: 0 0 0 0.55rem rgba(255, 247, 237, 0.08);
}

.hero-play-button {
  width: 3.35rem;
  height: 3.35rem;
  box-shadow:
    0 0 0 0.45rem rgba(255, 247, 237, 0.08),
    0 0 2rem rgba(255, 58, 18, 0.25);
}

.icon-button:hover,
.play-button:hover {
  transform: translate3d(var(--hover-x), calc(var(--hover-y) - 2px), 0);
  border-color: rgba(120, 244, 255, 0.65);
}

.icon-button svg,
.play-button svg,
.volume-control svg {
  width: 1.15rem;
  height: 1.15rem;
  fill: currentColor;
}

.play-button .pause-icon,
.play-button.is-playing .play-icon {
  display: none;
}

.play-button.is-playing .pause-icon {
  display: block;
}

.volume-control {
  display: grid;
  grid-template-columns: 1.2rem minmax(5rem, 8rem);
  gap: 0.65rem;
  align-items: center;
  margin-left: auto;
  color: var(--muted);
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.section-heading h2 {
  margin-top: 0.45rem;
}

.text-link {
  border-bottom: 1px solid currentColor;
  color: var(--white);
  font-size: 0.88rem;
  font-weight: 800;
  text-transform: uppercase;
}

.session-list {
  width: min(100%, 72rem);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.session-card {
  --hover-x: 0px;
  --hover-y: 0px;
  position: relative;
  overflow: hidden;
  min-height: 18rem;
  display: flex;
  flex-direction: column;
  padding: 1.25rem;
  transform: translate3d(var(--hover-x), var(--hover-y), 0);
  transition:
    border-color 220ms ease,
    box-shadow 220ms ease,
    transform 180ms ease;
}

.session-card::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
  background: linear-gradient(135deg, rgba(120, 244, 255, 0.12), transparent 36%, rgba(255, 58, 18, 0.16));
  transition: opacity 220ms ease;
}

.session-card:hover {
  border-color: rgba(120, 244, 255, 0.5);
  box-shadow: 0 2rem 5.5rem rgba(0, 0, 0, 0.42);
  transform: translate3d(var(--hover-x), calc(var(--hover-y) - 4px), 0);
}

.session-card:hover::before {
  opacity: 1;
}

.session-card > * {
  position: relative;
  z-index: 1;
}

.session-card h3 {
  margin: 2.8rem 0 0.75rem;
  font-size: 1.55rem;
  line-height: 1.05;
}

.session-card p {
  margin: 0;
}

.venue {
  margin-top: auto;
  color: var(--cyan);
}

.visual-section {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(24rem, 1.15fr);
  gap: 3rem;
  align-items: center;
}

.visual-media {
  --hover-x: 0px;
  --hover-y: 0px;
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background: #0a0a0a;
  transform: translate3d(var(--hover-x), var(--hover-y), 0);
  transition:
    border-color 220ms ease,
    box-shadow 220ms ease,
    transform 180ms ease;
}

.visual-media:hover {
  border-color: rgba(120, 244, 255, 0.52);
  box-shadow: 0 2rem 5.5rem rgba(0, 0, 0, 0.44);
  transform: translate3d(var(--hover-x), calc(var(--hover-y) - 4px), 0);
}

.visual-media video {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  filter: saturate(1.18) contrast(1.08);
  transition: transform 520ms ease, filter 320ms ease;
}

.visual-media:hover video {
  filter: saturate(1.32) contrast(1.16);
  transform: scale(1.04);
}

.media-caption {
  position: absolute;
  left: 1rem;
  right: 1rem;
  bottom: 1rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  color: var(--white);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 2rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.82rem;
}

.footer span:first-child {
  color: var(--white);
  font-weight: 900;
}

.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;
}

@media (max-width: 900px) {
  .site-header {
    padding: 1rem;
  }

  .nav-links {
    display: none;
  }

  .ticket-link {
    min-height: 2rem;
    padding: 0 0.75rem;
  }

  .hero {
    padding: 6.2rem 1rem 3rem;
  }

  .hero-poster {
    object-position: 58% center;
  }

  .hero h1 {
    font-size: 4.2rem;
  }

  .hero-player {
    width: min(100%, 24rem);
  }

  .player-section,
  .sessions-section,
  .visual-section {
    padding: 4.5rem 1rem;
  }

  .player-grid,
  .visual-section,
  .session-list {
    grid-template-columns: 1fr;
  }

  .player-copy h2,
  .section-heading h2,
  .visual-copy h2 {
    font-size: 2.45rem;
  }

  .section-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .session-card {
    min-height: 14rem;
  }

  .visual-section {
    width: 100%;
  }
}

@media (max-width: 560px) {
  .brand {
    font-size: 0.78rem;
  }

  .hero h1 {
    font-size: 3.3rem;
  }

  .hero-player {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .hero-eq {
    display: none;
  }

  .hero-meta span {
    font-size: 0.72rem;
  }

  .player-copy h2,
  .section-heading h2,
  .visual-copy h2 {
    font-size: 2rem;
  }

  .player-grid,
  .visual-section {
    gap: 2rem;
  }

  .player-panel {
    padding: 1rem;
  }

  .track-heading {
    flex-direction: column;
  }

  .controls {
    flex-wrap: wrap;
  }

  .volume-control {
    width: 100%;
    grid-template-columns: 1.2rem 1fr;
    margin-left: 0;
  }

  .footer {
    flex-direction: column;
  }
}
