:root {
  --bg: #030712;
  --panel: rgba(15, 23, 42, 0.72);
  --blue: #1d4ed8;
  --cyan: #67e8f9;
  --silver: #dbeafe;
  --muted: #94a3b8;
  --line: rgba(219, 234, 254, 0.16);
  --glow: 0 0 28px rgba(96, 165, 250, 0.48);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Didot", "Bodoni 72", "Cormorant Garamond", Georgia, serif;
  color: var(--silver);
  background:
    radial-gradient(circle at 25% 10%, rgba(29, 78, 216, 0.28), transparent 34rem),
    radial-gradient(circle at 80% 22%, rgba(103, 232, 249, 0.12), transparent 24rem),
    linear-gradient(180deg, #020617 0%, var(--bg) 60%, #01030a 100%);
  min-height: 100vh;
}

.noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.04;
  background-image: linear-gradient(45deg, #fff 1px, transparent 1px);
  background-size: 4px 4px;
  z-index: 1;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.1rem clamp(1rem, 4vw, 4rem);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
  background: rgba(3, 7, 18, 0.64);
}

.logo, nav a, .links a {
  color: var(--silver);
  text-decoration: none;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.78rem;
}

nav {
  display: flex;
  gap: clamp(0.75rem, 2vw, 1.8rem);
}

nav a, .links a {
  opacity: 0.78;
  transition: opacity .25s ease, text-shadow .25s ease;
}

nav a:hover, .links a:hover {
  opacity: 1;
  text-shadow: var(--glow);
}

.section {
  position: relative;
  z-index: 2;
  padding: clamp(5rem, 10vw, 9rem) clamp(1.2rem, 6vw, 7rem);
}

.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.9fr);
  align-items: center;
  gap: clamp(2rem, 6vw, 6rem);
  padding-top: 7rem;
}

.eyebrow {
  color: var(--cyan);
  letter-spacing: 0.24em;
  text-transform: uppercase;
  font-family: Inter, Arial, sans-serif;
  font-size: 0.72rem;
}

h1, h2, h3, p { margin-top: 0; }

h1 {
  font-size: clamp(4rem, 11vw, 10rem);
  line-height: 0.86;
  letter-spacing: 0.02em;
  margin-bottom: 2rem;
  text-shadow: 0 0 44px rgba(96, 165, 250, 0.35);
}

h2 {
  font-size: clamp(2.4rem, 6vw, 5.2rem);
  line-height: 0.95;
  letter-spacing: 0.02em;
}

blockquote {
  max-width: 36rem;
  margin: 0;
  color: var(--muted);
  font-size: clamp(1.2rem, 2vw, 1.65rem);
  line-height: 1.6;
}

blockquote span {
  display: block;
  color: var(--silver);
  margin-top: 0.8rem;
}

.cavity {
  position: relative;
  min-height: 340px;
  border: 1px solid var(--line);
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.52), rgba(3, 7, 18, 0.2));
  box-shadow: inset 0 0 70px rgba(29, 78, 216, 0.16), var(--glow);
  overflow: hidden;
}

.cavity::before, .cavity::after {
  content: "";
  position: absolute;
  inset: 2rem;
  border: 1px solid rgba(219, 234, 254, 0.12);
  transform: skewX(-12deg);
}

.mirror {
  position: absolute;
  top: 20%;
  width: 18px;
  height: 60%;
  border: 1px solid rgba(219, 234, 254, 0.8);
  background: linear-gradient(180deg, rgba(219, 234, 254, 0.9), rgba(30, 64, 175, 0.12));
  box-shadow: 0 0 22px rgba(219, 234, 254, 0.28);
}

.mirror-left { left: 18%; transform: rotate(-4deg); }
.mirror-right { right: 22%; transform: rotate(4deg); }

.beam, .standing-wave, .escape-beam {
  position: absolute;
  top: 50%;
  height: 2px;
  background: var(--cyan);
  box-shadow: 0 0 18px var(--cyan), 0 0 42px var(--blue);
}

.beam {
  left: 20%;
  right: 24%;
}

.standing-wave {
  left: 21%;
  right: 25%;
  top: calc(50% + 22px);
  opacity: 0.6;
  filter: blur(3px);
}

.escape-beam {
  left: 78%;
  width: 32%;
  transform: rotate(-18deg);
  transform-origin: left center;
  opacity: 0.78;
}

.photon {
  position: absolute;
  top: 33%;
  right: 7%;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: white;
  box-shadow: 0 0 16px #fff, 0 0 32px var(--cyan), 0 0 80px var(--blue);
  animation: pulse 2.6s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.9; }
  50% { transform: scale(1.5); opacity: 1; }
}

.section-heading {
  max-width: 56rem;
  margin-bottom: 2.6rem;
}

.track-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.track {
  background: var(--panel);
  padding: 1.35rem;
  min-height: 190px;
  transition: transform .25s ease, background .25s ease;
}

.track:hover {
  transform: translateY(-4px);
  background: rgba(30, 41, 59, 0.78);
}

.track span {
  color: var(--cyan);
  font-family: Inter, Arial, sans-serif;
  font-size: 0.76rem;
}

.track h3 { margin: 1rem 0 .8rem; font-size: 1.35rem; }
.track p, .concept p, .about p {
  color: var(--muted);
  line-height: 1.8;
  font-family: Inter, Arial, sans-serif;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1rem;
}

.photo-card {
  margin: 0;
}

.placeholder {
  aspect-ratio: 3/4;
  display: grid;
  place-items: center;
  color: rgba(219, 234, 254, 0.72);
  border: 1px solid var(--line);
  background:
    linear-gradient(135deg, rgba(37, 99, 235, 0.22), transparent),
    radial-gradient(circle at 50% 35%, rgba(103, 232, 249, 0.16), transparent 45%),
    rgba(15, 23, 42, 0.58);
  box-shadow: inset 0 0 48px rgba(96, 165, 250, 0.08);
}

figcaption {
  margin-top: .7rem;
  color: var(--muted);
  font-family: Inter, Arial, sans-serif;
  font-size: .85rem;
}

.concept, .about {
  max-width: 980px;
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.links a {
  border: 1px solid var(--line);
  padding: 1rem 1.2rem;
  background: rgba(15, 23, 42, 0.62);
}

footer {
  position: relative;
  z-index: 2;
  padding: 2rem;
  text-align: center;
  color: var(--muted);
  border-top: 1px solid var(--line);
  font-family: Inter, Arial, sans-serif;
}

.fade-in {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .8s ease, transform .8s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 900px) {
  .site-header {
    position: sticky;
    flex-direction: column;
    gap: .9rem;
  }

  nav {
    flex-wrap: wrap;
    justify-content: center;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .track-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .gallery {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .track-list, .gallery {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: clamp(3.2rem, 17vw, 5rem);
  }

  .cavity {
    min-height: 260px;
  }
}