/* ==========================================================================
   Nocturnal Wave Lab — nocturnalwavelab.com
   Palette derived from the label's cover art generator:
     rain   (10,15,30) → (110,140,180)
     ocean  (8,25,35)  → (140,200,190)
     hearth (20,10,10) → (230,110,40)
   ========================================================================== */

:root {
  --night-0: #05070f;
  --night-1: #0a0f1e;
  --night-2: #101a30;

  --rain-mid: #2d5a87;
  --rain-mist: #6e8cb4;
  --ocean-deep: #0f3c50;
  --ocean-foam: #8cc8be;
  --ember-glow: #a03219;
  --ember-flame: #e66e28;

  --ink: #e9eef8;
  --ink-dim: #9aa7bf;
  --hairline: rgba(255, 255, 255, 0.10);
  --glass: rgba(255, 255, 255, 0.04);

  --font-display: "Space Grotesk", "Helvetica Neue", Arial, sans-serif;
  --font-body: "Inter", "Helvetica Neue", Arial, sans-serif;

  --maxw: 68rem;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--night-0);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

::selection { background: rgba(110, 140, 180, 0.35); }

/* ==========================================================================
   Atmosphere — starfield, moonglow, drifting gradient blobs, film grain
   ========================================================================== */

.atmosphere {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  background:
    radial-gradient(120% 90% at 70% -10%, var(--night-2) 0%, var(--night-1) 45%, var(--night-0) 100%);
}

.stars {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(1px 1px at 12% 22%, rgba(233,238,248,.8) 50%, transparent 51%),
    radial-gradient(1px 1px at 34% 8%,  rgba(233,238,248,.5) 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 56% 30%, rgba(233,238,248,.7) 50%, transparent 51%),
    radial-gradient(1px 1px at 72% 12%, rgba(233,238,248,.6) 50%, transparent 51%),
    radial-gradient(1px 1px at 88% 26%, rgba(233,238,248,.45) 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 8% 55%, rgba(233,238,248,.4) 50%, transparent 51%),
    radial-gradient(1px 1px at 45% 48%, rgba(233,238,248,.5) 50%, transparent 51%),
    radial-gradient(1px 1px at 93% 58%, rgba(233,238,248,.5) 50%, transparent 51%),
    radial-gradient(1px 1px at 25% 80%, rgba(233,238,248,.35) 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 66% 74%, rgba(233,238,248,.45) 50%, transparent 51%),
    radial-gradient(1px 1px at 80% 88%, rgba(233,238,248,.35) 50%, transparent 51%);
  animation: twinkle 9s ease-in-out infinite alternate;
}

@keyframes twinkle {
  from { opacity: .55; }
  to   { opacity: 1; }
}

.moonglow {
  position: absolute;
  top: -12%;
  left: 32%;
  width: 44rem;
  height: 44rem;
  border-radius: 50%;
  background: radial-gradient(circle,
    rgba(190, 208, 235, 0.22) 0%,
    rgba(140, 165, 205, 0.10) 35%,
    transparent 70%);
  filter: blur(10px);
}

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: .5;
  will-change: transform;
}

.blob-rain {
  width: 55vmax; height: 55vmax;
  left: -18vmax; top: 8vmax;
  background: radial-gradient(circle at 40% 40%, var(--rain-mid), transparent 65%);
  animation: drift-a 70s ease-in-out infinite alternate;
}

.blob-ocean {
  width: 48vmax; height: 48vmax;
  right: -16vmax; top: 34vmax;
  background: radial-gradient(circle at 55% 45%, var(--ocean-deep), transparent 65%);
  animation: drift-b 85s ease-in-out infinite alternate;
}

.blob-ember {
  width: 40vmax; height: 40vmax;
  left: 28vmax; bottom: -22vmax;
  background: radial-gradient(circle at 50% 50%, rgba(160, 50, 25, 0.55), transparent 65%);
  animation: drift-c 95s ease-in-out infinite alternate;
}

@keyframes drift-a { to { transform: translate(9vmax, -6vmax) scale(1.12); } }
@keyframes drift-b { to { transform: translate(-8vmax, 7vmax) scale(0.92); } }
@keyframes drift-c { to { transform: translate(-6vmax, -9vmax) scale(1.08); } }

/* Analog grain, echoing the cover art noise pass */
.grain {
  position: absolute;
  inset: -50%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.55'/%3E%3C/svg%3E");
  opacity: .07;
  mix-blend-mode: overlay;
}

/* ==========================================================================
   Shared primitives
   ========================================================================== */

.glass {
  background: var(--glass);
  border: 1px solid var(--hairline);
  border-radius: 1rem;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.eyebrow {
  font-family: var(--font-display);
  font-size: .78rem;
  font-weight: 500;
  letter-spacing: .32em;
  text-transform: uppercase;
  color: var(--ink-dim);
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.12;
  letter-spacing: -0.015em;
  text-wrap: balance;
}

h1 { font-size: clamp(2.6rem, 6.5vw, 4.6rem); }
h2 { font-size: clamp(1.9rem, 4vw, 2.8rem); }
h3 { font-size: 1.35rem; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: .55em;
  font-family: var(--font-display);
  font-size: .95rem;
  font-weight: 500;
  letter-spacing: .02em;
  text-decoration: none;
  color: var(--ink);
  padding: .8em 1.6em;
  border-radius: 999px;
  border: 1px solid var(--hairline);
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease, border-color .25s ease;
}

.btn svg { width: 1.25em; height: 1.25em; }

.btn-primary {
  background: linear-gradient(135deg, var(--rain-mid), var(--ocean-deep));
  border-color: rgba(255, 255, 255, 0.18);
  box-shadow: 0 0 0 rgba(110, 140, 180, 0);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(45, 90, 135, 0.45);
}

.btn-ghost { background: transparent; }

.btn-ghost:hover,
.btn-ghost:focus-visible {
  background: var(--glass);
  border-color: rgba(255, 255, 255, 0.22);
}

.btn-small { padding: .5em 1.1em; font-size: .85rem; }

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(1.2rem);
  transition: opacity .8s ease, transform .8s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* ==========================================================================
   Navigation
   ========================================================================== */

.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem clamp(1.25rem, 4vw, 3rem);
  background: linear-gradient(rgba(5, 7, 15, 0.75), transparent);
}

.nav.is-scrolled {
  background: rgba(5, 7, 15, 0.7);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--hairline);
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.02rem;
  letter-spacing: .06em;
  text-decoration: none;
  color: var(--ink);
}

.wordmark-sigil { width: 1.5rem; height: 1.5rem; color: var(--rain-mist); }

.nav nav {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 3vw, 2rem);
}

.nav nav > a:not(.btn) {
  font-size: .92rem;
  color: var(--ink-dim);
  text-decoration: none;
  transition: color .2s ease;
}

.nav nav > a:not(.btn):hover { color: var(--ink); }

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 7rem clamp(1.25rem, 5vw, 3rem) 4rem;
}

.hero h1 { margin: 1.2rem 0 1.4rem; }

.lede {
  max-width: 40rem;
  color: var(--ink-dim);
  font-size: clamp(1rem, 1.6vw, 1.13rem);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: .9rem;
  margin-top: 2.4rem;
}

.now-playing {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  margin-top: 4.5rem;
  padding: .8rem 1.4rem;
}

.eq {
  display: flex;
  align-items: flex-end;
  gap: 3px;
  height: 1.15rem;
}

.eq i {
  width: 3px;
  border-radius: 2px;
  background: linear-gradient(to top, var(--ocean-foam), var(--rain-mist));
  animation: eq-bounce 1.6s ease-in-out infinite;
}

.eq i:nth-child(1) { height: 45%; animation-delay: -.2s; }
.eq i:nth-child(2) { height: 90%; animation-delay: -.9s; }
.eq i:nth-child(3) { height: 60%; animation-delay: -.5s; }
.eq i:nth-child(4) { height: 100%; animation-delay: -1.2s; }
.eq i:nth-child(5) { height: 50%; animation-delay: -.7s; }

@keyframes eq-bounce {
  0%, 100% { transform: scaleY(.5); }
  50%      { transform: scaleY(1); }
}

.now-playing-meta {
  display: flex;
  flex-direction: column;
  text-align: left;
}

.now-playing-label {
  font-family: var(--font-display);
  font-size: .66rem;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--ink-dim);
}

.now-playing-title { font-size: .92rem; }

/* ==========================================================================
   Collections
   ========================================================================== */

.collections {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 6rem clamp(1.25rem, 4vw, 2rem);
}

.section-head { text-align: center; margin-bottom: 3.5rem; }
.section-head h2 { margin-top: 1rem; }

.section-sub {
  margin-top: 1rem;
  color: var(--ink-dim);
  max-width: 34rem;
  margin-inline: auto;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16.5rem, 1fr));
  gap: 1.5rem;
}

.card {
  overflow: hidden;
  transition: transform .35s ease, border-color .35s ease, box-shadow .35s ease;
}

.card:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.45);
}

/* Cover panels: fluid-gradient echoes of the album art generator */
.cover {
  position: relative;
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: flex-end;
  padding: 1.1rem;
}

.cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.55'/%3E%3C/svg%3E");
  opacity: .14;
  mix-blend-mode: overlay;
  pointer-events: none;
}

.cover-rain {
  background:
    radial-gradient(85% 70% at 42% 18%, rgba(190, 208, 235, 0.5) 0%, transparent 55%),
    radial-gradient(120% 100% at 80% 90%, #2d5a87 0%, transparent 60%),
    linear-gradient(160deg, #0a0f1e 10%, #192d50 55%, #2d5a87 100%);
}

.cover-ocean {
  background:
    radial-gradient(80% 60% at 70% 20%, rgba(140, 200, 190, 0.35) 0%, transparent 55%),
    radial-gradient(110% 90% at 15% 85%, #237878 0%, transparent 60%),
    linear-gradient(200deg, #081923 5%, #0f3c50 55%, #1e6a72 100%);
}

.cover-ember {
  background:
    radial-gradient(80% 65% at 65% 75%, rgba(230, 110, 40, 0.75) 0%, transparent 60%),
    radial-gradient(90% 80% at 20% 20%, #3c140f 0%, transparent 65%),
    linear-gradient(150deg, #140a0a 10%, #6e2412 60%, #a03219 100%);
}

.cover-chip {
  position: relative;
  z-index: 1;
  font-family: var(--font-display);
  font-size: .72rem;
  letter-spacing: .24em;
  text-transform: uppercase;
  padding: .45em 1em;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(0, 0, 0, 0.32);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.card-body { padding: 1.4rem 1.4rem 1.6rem; }

.card-body p {
  margin-top: .6rem;
  font-size: .95rem;
  color: var(--ink-dim);
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  margin-top: 1.1rem;
  list-style: none;
}

.tags li {
  font-family: var(--font-display);
  font-size: .7rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-dim);
  padding: .35em .85em;
  border-radius: 999px;
  border: 1px solid var(--hairline);
}

/* ==========================================================================
   The Lab
   ========================================================================== */

.lab { padding: 6rem clamp(1.25rem, 4vw, 2rem); }

.lab-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 3.5rem;
  align-items: center;
}

.lab-copy h2 { margin: 1rem 0 1.4rem; }

.lab-copy p {
  color: var(--ink-dim);
  margin-bottom: 1.1rem;
  max-width: 34rem;
}

.spec { padding: 2rem; }

.spec > div {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding: 1rem 0;
}

.spec > div + div { border-top: 1px solid var(--hairline); }

.spec dt {
  font-family: var(--font-display);
  font-size: .72rem;
  letter-spacing: .26em;
  text-transform: uppercase;
  color: var(--ink-dim);
}

.spec dd { font-size: .98rem; text-align: right; }

@media (max-width: 46rem) {
  .lab-inner { grid-template-columns: 1fr; gap: 2.5rem; }
}

/* ==========================================================================
   Closing CTA + footer
   ========================================================================== */

.closing {
  text-align: center;
  padding: 7rem clamp(1.25rem, 4vw, 2rem) 8rem;
}

.closing h2 { margin-bottom: 2.2rem; }

.footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: .8rem;
  padding: 2rem 1.5rem 2.5rem;
  border-top: 1px solid var(--hairline);
  font-size: .85rem;
  color: var(--ink-dim);
}

.footer a {
  color: var(--ink-dim);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s ease, border-color .2s ease;
}

.footer a:hover { color: var(--ink); border-color: currentColor; }

.footer-sep { opacity: .45; }

.footer-motto {
  font-family: var(--font-display);
  font-size: .7rem;
  letter-spacing: .26em;
  text-transform: uppercase;
}

/* ==========================================================================
   Reduced motion
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  .stars, .blob, .eq i { animation: none; }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}