:root {
  --bg: #070708;
  --bg-elev: #0e0e12;
  --fg: #f6f3ec;
  --muted: rgba(246, 243, 236, 0.58);
  --line: rgba(246, 243, 236, 0.1);
  --accent: #e8ff6b;
  --accent-ink: #101208;
  --blue: #6ea8ff;
  --violet: #9b8cff;
  --font: "Outfit", system-ui, sans-serif;
  --display: "Instrument Serif", Georgia, serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --pad: clamp(1.25rem, 5vw, 4.5rem);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100dvh;
  font-family: var(--font);
  color: var(--fg);
  background: var(--bg);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
}

/* —— Nav —— */
.nav {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem var(--pad);
  background: rgba(7, 7, 8, 0.72);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border-bottom: 1px solid transparent;
}

.nav-brand {
  font-family: var(--display);
  font-size: 1.55rem;
  letter-spacing: -0.03em;
  text-decoration: none;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(0.75rem, 2vw, 1.4rem);
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav-links a {
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--muted);
  transition: color 0.2s ease;
}

.nav-links a:hover {
  color: var(--fg);
}

.nav-cta {
  color: var(--accent-ink) !important;
  background: var(--accent);
  padding: 0.42rem 0.9rem;
  border-radius: 999px;
}

.nav-cta:hover {
  filter: brightness(1.04);
}

/* —— Hero —— */
.hero {
  position: relative;
  min-height: min(100dvh, 920px);
  display: grid;
  align-items: end;
  gap: clamp(2rem, 6vw, 4rem);
  padding: clamp(2.5rem, 8vw, 5.5rem) var(--pad) clamp(3rem, 7vw, 5rem);
  overflow: hidden;
  background:
    radial-gradient(70% 55% at 78% 42%, rgba(110, 168, 255, 0.22), transparent 60%),
    radial-gradient(55% 45% at 18% 80%, rgba(232, 255, 107, 0.1), transparent 55%),
    linear-gradient(180deg, #0b0b10 0%, var(--bg) 72%);
}

@media (min-width: 960px) {
  .hero {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: center;
  }
}

.hero-copy {
  position: relative;
  z-index: 2;
  max-width: 34rem;
}

.hero-wordmark {
  margin: 0 0 0.35rem;
  font-family: var(--display);
  font-size: clamp(4.2rem, 14vw, 7.5rem);
  line-height: 0.88;
  letter-spacing: -0.04em;
}

.hero h1 {
  margin: 0;
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(1.85rem, 4.2vw, 2.75rem);
  line-height: 1.12;
  letter-spacing: -0.03em;
  max-width: 14ch;
}

.hero-lead {
  margin: 1.15rem 0 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.6vw, 1.12rem);
  max-width: 34ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.85rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.85rem;
  padding: 0.7rem 1.25rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: transform 0.2s var(--ease), filter 0.2s ease, background 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--accent);
  color: var(--accent-ink);
}

.btn-quiet {
  background: rgba(255, 255, 255, 0.06);
  color: var(--fg);
  border-color: var(--line);
}

.btn-lg {
  min-height: 3.15rem;
  padding: 0.85rem 1.45rem;
  font-size: 1rem;
}

.btn.is-disabled,
.start-ios-link.is-disabled {
  opacity: 0.45;
  pointer-events: none;
}

/* Device stage */
.hero-stage {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  min-height: 22rem;
}

.hero-bloom {
  position: absolute;
  width: min(34rem, 92vw);
  height: min(34rem, 92vw);
  border-radius: 50%;
  background:
    radial-gradient(circle at 40% 35%, rgba(232, 255, 107, 0.28), transparent 42%),
    radial-gradient(circle at 65% 60%, rgba(110, 168, 255, 0.35), transparent 48%);
  filter: blur(8px);
  animation: bloom 10s ease-in-out infinite alternate;
}

.device {
  position: relative;
  width: min(19.5rem, 72vw);
  animation: float 7.5s ease-in-out infinite;
}

.device-bezel {
  border-radius: 2.2rem;
  padding: 0.55rem;
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.22), rgba(255, 255, 255, 0.04));
  box-shadow:
    0 40px 80px rgba(0, 0, 0, 0.55),
    0 0 0 1px rgba(255, 255, 255, 0.08);
}

.device-screen {
  position: relative;
  border-radius: 1.75rem;
  overflow: hidden;
  min-height: 28rem;
  padding: 0.85rem 0.9rem 1rem;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.07), transparent 28%),
    linear-gradient(165deg, #16161d 0%, #0a0a0e 100%);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.ui-status {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.72rem;
  font-weight: 600;
  opacity: 0.7;
  margin-bottom: 1.1rem;
}

.ui-status-pills {
  width: 3.2rem;
  height: 0.55rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.2);
}

.ui-eyebrow {
  margin: 0;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(246, 243, 236, 0.45);
}

.ui-title {
  margin: 0.2rem 0 1rem;
  font-family: var(--display);
  font-size: 1.85rem;
  letter-spacing: -0.03em;
  line-height: 1;
}

.ui-shelf {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.55rem;
}

.ui-tile {
  aspect-ratio: 1;
  border-radius: 0.85rem;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
}

.ui-tile-a {
  background: linear-gradient(145deg, #6ea8ff, #1a2740);
}

.ui-tile-b {
  background: linear-gradient(145deg, #e8ff6b, #3d4a12);
}

.ui-tile-c {
  background: linear-gradient(145deg, #9b8cff, #2a2148);
}

.ui-now {
  position: absolute;
  left: 0.7rem;
  right: 0.7rem;
  bottom: 3.1rem;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.65rem;
  align-items: center;
  padding: 0.55rem 0.65rem;
  border-radius: 1.05rem;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.ui-now-art {
  width: 2.35rem;
  height: 2.35rem;
  border-radius: 0.45rem;
  background: linear-gradient(135deg, #e8ff6b, #6ea8ff);
}

.ui-now-meta {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.ui-now-track {
  font-size: 0.78rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ui-now-artist {
  font-size: 0.68rem;
  color: rgba(246, 243, 236, 0.5);
}

.ui-now-bars {
  display: flex;
  align-items: flex-end;
  gap: 0.14rem;
  height: 0.9rem;
}

.ui-now-bars i {
  display: block;
  width: 0.16rem;
  border-radius: 99px;
  background: var(--accent);
  animation: bars 1.1s ease-in-out infinite;
}

.ui-now-bars i:nth-child(1) {
  height: 35%;
  animation-delay: 0s;
}
.ui-now-bars i:nth-child(2) {
  height: 70%;
  animation-delay: 0.15s;
}
.ui-now-bars i:nth-child(3) {
  height: 50%;
  animation-delay: 0.3s;
}
.ui-now-bars i:nth-child(4) {
  height: 90%;
  animation-delay: 0.45s;
}

.ui-tabs {
  position: absolute;
  left: 1.1rem;
  right: 1.1rem;
  bottom: 0.85rem;
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
}

.ui-tabs span {
  flex: 1;
  height: 0.28rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
}

.ui-tabs span.is-on {
  background: rgba(232, 255, 107, 0.85);
}

/* —— Bands (one idea each) —— */
.band {
  position: relative;
  display: grid;
  gap: clamp(2rem, 5vw, 3.5rem);
  padding: clamp(4.5rem, 12vw, 8rem) var(--pad);
  overflow: hidden;
}

@media (min-width: 900px) {
  .band {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
  }

  .band-library {
    grid-template-columns: 0.9fr 1.1fr;
  }

  .band-library .band-inner {
    order: 2;
  }
}

.band-codes {
  background:
    radial-gradient(60% 70% at 85% 50%, rgba(232, 255, 107, 0.12), transparent 55%),
    linear-gradient(180deg, #0a0a0c, #0c0d12);
}

.band-library {
  background:
    radial-gradient(55% 60% at 15% 40%, rgba(110, 168, 255, 0.16), transparent 50%),
    linear-gradient(180deg, #0c0d12, #08080b);
}

.band-inner {
  max-width: 34rem;
}

.band-inner-wide {
  max-width: 38rem;
}

.band-kicker {
  margin: 0 0 0.75rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

.band h2 {
  margin: 0;
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(2.4rem, 6vw, 4rem);
  line-height: 1.05;
  letter-spacing: -0.035em;
}

.band-lead {
  margin: 1.15rem 0 0;
  color: var(--muted);
  font-size: clamp(1.02rem, 1.7vw, 1.18rem);
  max-width: 38ch;
}

.code-stage,
.wave-stage {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 16rem;
}

.code-card {
  width: min(18rem, 80vw);
  padding: 1.35rem 1.35rem 1.2rem;
  border-radius: 1.6rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--line);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.35);
  transform: rotate(-3deg);
}

.code-plate {
  aspect-ratio: 1;
  border-radius: 1.1rem;
  background: #f4f1ea;
  display: grid;
  place-items: center;
  padding: 1.1rem;
}

.code-qr {
  width: 100%;
  height: 100%;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8%;
}

.code-qr span {
  background: #12140a;
  border-radius: 0.2rem;
}

.code-qr .code-eye {
  background: radial-gradient(circle at center, #e8ff6b 0 28%, #12140a 29%);
  border-radius: 0.35rem;
}

.code-label {
  margin: 0.9rem 0 0;
  text-align: center;
  font-weight: 600;
  font-size: 0.95rem;
}

.wave-stage {
  min-height: 18rem;
}

.wave-ring {
  position: absolute;
  width: min(22rem, 78vw);
  height: min(22rem, 78vw);
  border-radius: 50%;
  border: 1px solid rgba(110, 168, 255, 0.28);
  animation: pulse 5.5s ease-out infinite;
}

.wave-ring-2 {
  width: min(16rem, 58vw);
  height: min(16rem, 58vw);
  border-color: rgba(232, 255, 107, 0.22);
  animation-delay: 1.2s;
}

.wave-core {
  position: relative;
  z-index: 1;
  display: flex;
  gap: 0.55rem;
  flex-wrap: wrap;
  justify-content: center;
  padding: 1.1rem 1.2rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

.wave-core span {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: rgba(246, 243, 236, 0.85);
}

/* —— Start —— */
.start {
  padding: clamp(4.5rem, 12vw, 8rem) var(--pad) clamp(5rem, 12vw, 8.5rem);
  background:
    radial-gradient(70% 80% at 50% 0%, rgba(232, 255, 107, 0.1), transparent 55%),
    linear-gradient(180deg, #08080b, #050506);
  text-align: center;
}

.start-inner {
  max-width: 40rem;
  margin: 0 auto;
}

.start .band-kicker {
  color: var(--accent);
}

.start h2 {
  margin: 0;
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(2.6rem, 7vw, 4.4rem);
  letter-spacing: -0.04em;
  line-height: 1;
}

.start .band-lead {
  margin-left: auto;
  margin-right: auto;
}

.start-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  margin-top: 1.85rem;
}

.start-ios {
  margin: 1.75rem 0 0.35rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.start-ios-link {
  color: var(--fg);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

/* —— Footer —— */
.foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.5rem var(--pad) 2.25rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.88rem;
}

.foot-brand {
  font-family: var(--display);
  font-size: 1.2rem;
  color: var(--fg);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.foot-links {
  display: flex;
  gap: 1.1rem;
}

.foot-links a {
  text-decoration: none;
  color: var(--muted);
}

.foot-links a:hover {
  color: var(--fg);
}

/* —— Motion —— */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition:
    opacity 0.9s var(--ease),
    transform 0.9s var(--ease);
}

.reveal-delay {
  transition-delay: 0.12s;
}

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

@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

@keyframes bloom {
  from {
    transform: scale(1) translate(0, 0);
    opacity: 0.85;
  }
  to {
    transform: scale(1.08) translate(2%, -2%);
    opacity: 1;
  }
}

@keyframes bars {
  0%,
  100% {
    transform: scaleY(0.45);
  }
  50% {
    transform: scaleY(1);
  }
}

@keyframes pulse {
  0% {
    transform: scale(0.86);
    opacity: 0.55;
  }
  70% {
    opacity: 0.15;
  }
  100% {
    transform: scale(1.12);
    opacity: 0;
  }
}

@media (max-width: 720px) {
  .nav-links a:not(.nav-cta) {
    display: none;
  }

  .hero {
    min-height: auto;
    padding-top: 2rem;
  }

  .device {
    width: min(17.5rem, 78vw);
  }

  .device-screen {
    min-height: 24rem;
  }
}

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

  .reveal,
  .reveal-delay {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .device,
  .hero-bloom,
  .ui-now-bars i,
  .wave-ring {
    animation: none;
  }

  .btn:hover {
    transform: none;
  }
}