:root {
  --ink: #eef6ff;
  --muted: #9fb6d8;
  --line: rgba(170, 214, 255, 0.2);
  --panel: rgba(7, 16, 45, 0.72);
  --panel-strong: rgba(9, 21, 62, 0.92);
  --blue: #37b7ff;
  --cyan: #7cf8ff;
  --violet: #7f5cff;
  --deep: #030715;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--deep);
  letter-spacing: 0;
}
a { color: inherit; }

.page-shell {
  min-height: 100vh;
  overflow: hidden;
  background:
    radial-gradient(circle at 20% 20%, rgba(55, 183, 255, 0.16), transparent 24rem),
    radial-gradient(circle at 82% 10%, rgba(127, 92, 255, 0.22), transparent 28rem),
    linear-gradient(180deg, #030715 0%, #070b20 54%, #07112c 100%);
}

.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(360px, 0.98fr);
  align-items: center;
  gap: 42px;
  padding: 28px clamp(20px, 5vw, 72px) 48px;
  position: relative;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url("../img/deepmind-audio-therapy-station.png") center/cover no-repeat;
  opacity: 0.35;
  filter: saturate(1.1);
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(3, 7, 21, 0.94) 0%, rgba(3, 7, 21, 0.72) 48%, rgba(3, 7, 21, 0.56) 100%),
    repeating-linear-gradient(90deg, rgba(124, 248, 255, 0.04) 0 1px, transparent 1px 84px);
}

.brand, .hero-copy, .station { position: relative; z-index: 1; }
.brand {
  position: absolute;
  top: 28px;
  left: clamp(20px, 5vw, 72px);
  right: clamp(20px, 5vw, 72px);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}
.brand-mark img {
  width: 170px;
  max-width: 42vw;
  height: auto;
  display: block;
  filter: drop-shadow(0 0 18px rgba(55, 183, 255, 0.22));
}
.brand a {
  color: var(--ink);
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 10px 14px;
  background: rgba(3, 7, 21, 0.5);
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--cyan);
  font-weight: 900;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.kicker::before {
  content: "";
  width: 42px;
  height: 2px;
  background: linear-gradient(90deg, var(--blue), var(--violet));
}

h1 {
  margin: 0;
  font-size: clamp(46px, 8vw, 112px);
  line-height: 0.9;
  max-width: 920px;
  letter-spacing: 0;
}
.hero-copy p {
  color: var(--muted);
  font-size: clamp(17px, 2vw, 23px);
  line-height: 1.55;
  max-width: 760px;
  margin: 28px 0 0;
}
.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 900;
  border: 1px solid transparent;
}
.btn-primary {
  color: #03101f;
  background: linear-gradient(135deg, var(--cyan), var(--blue));
  box-shadow: 0 0 34px rgba(55, 183, 255, 0.28);
}
.btn-ghost {
  color: var(--ink);
  border-color: var(--line);
  background: rgba(3, 7, 21, 0.44);
}

.station {
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(10, 24, 72, 0.84), rgba(3, 7, 21, 0.86)),
    radial-gradient(circle at 50% 0%, rgba(124, 248, 255, 0.22), transparent 22rem);
  backdrop-filter: blur(18px);
  border-radius: 28px;
  padding: 28px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
}
.station-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 24px;
}
.station-head span {
  color: var(--cyan);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.station-head h2 {
  margin: 7px 0 0;
  font-size: 28px;
  line-height: 1.1;
}
.live-dot {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--cyan);
  font-size: 12px;
  font-weight: 900;
}
.live-dot::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 18px var(--cyan);
}
.orb {
  width: min(78vw, 330px);
  aspect-ratio: 1;
  margin: 10px auto 24px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  position: relative;
  background:
    radial-gradient(circle, rgba(124, 248, 255, 0.95) 0 4%, transparent 5%),
    repeating-radial-gradient(circle, rgba(124, 248, 255, 0.34) 0 2px, transparent 2px 22px),
    radial-gradient(circle, rgba(55, 183, 255, 0.12), rgba(127, 92, 255, 0.08) 58%, transparent 62%);
  animation: breathe 7s ease-in-out infinite;
}
.orb::before, .orb::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  inset: 16%;
  border: 1px solid rgba(124, 248, 255, 0.35);
}
.orb::after {
  inset: 31%;
  border-color: rgba(127, 92, 255, 0.55);
}
.play-button {
  width: 86px;
  height: 86px;
  border: 0;
  border-radius: 50%;
  cursor: pointer;
  color: #061026;
  background: linear-gradient(135deg, var(--cyan), var(--blue));
  box-shadow: 0 0 40px rgba(124, 248, 255, 0.42);
  font-size: 28px;
  font-weight: 900;
  position: relative;
  z-index: 1;
}
.track-title {
  text-align: center;
  font-size: 30px;
  font-weight: 900;
  margin: 0;
}
.track-copy {
  color: var(--muted);
  text-align: center;
  line-height: 1.55;
  min-height: 72px;
}
.progress {
  height: 8px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  overflow: hidden;
  margin: 22px 0 16px;
}
.progress span {
  display: block;
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--cyan), var(--violet));
}
.player-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.player-actions button, .player-actions a {
  min-height: 44px;
  border-radius: 14px;
  border: 1px solid var(--line);
  color: var(--ink);
  background: rgba(255, 255, 255, 0.06);
  font: inherit;
  font-weight: 900;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.track-list {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}
.track-list button {
  text-align: left;
  color: var(--ink);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.05);
  border-radius: 16px;
  padding: 14px 16px;
  cursor: pointer;
  font: inherit;
}
.track-list button strong {
  display: block;
  font-size: 15px;
}
.track-list button span {
  display: block;
  color: var(--muted);
  font-size: 13px;
  margin-top: 4px;
}
.track-list button.active {
  border-color: rgba(124, 248, 255, 0.75);
  background: rgba(55, 183, 255, 0.12);
}

.section {
  padding: 88px clamp(20px, 5vw, 72px);
  border-top: 1px solid rgba(170, 214, 255, 0.12);
}
.section-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 44px;
  max-width: 1180px;
  margin: 0 auto;
}
.section h2 {
  font-size: clamp(34px, 5vw, 72px);
  line-height: 0.95;
  margin: 0;
}
.section p, .section li {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.65;
}
.method-list {
  display: grid;
  gap: 16px;
  padding: 0;
  margin: 0;
  list-style: none;
}
.method-list li {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--panel);
}
.downloads {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 16px;
  max-width: 1180px;
  margin: 34px auto 0;
}
.download-card {
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 20px;
  background: var(--panel-strong);
}
.download-card h3 {
  margin: 0 0 10px;
  font-size: 22px;
}
.download-card p {
  font-size: 15px;
  min-height: 100px;
}
.download-card a { width: 100%; }
.video-card video {
  width: 100%;
  aspect-ratio: 16 / 9;
  display: block;
  border-radius: 16px;
  background: #020614;
  margin-bottom: 16px;
}

.video-card p {
  min-height: auto;
}

.video-card .btn {
  margin-top: 8px;
}
.legacy-banner {
  background:
    radial-gradient(circle at 50% 0%, rgba(55, 183, 255, 0.2), transparent 30rem),
    linear-gradient(180deg, rgba(8, 16, 48, 0.96), rgba(2, 6, 20, 1));
}

.legacy-products {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 18px;
  max-width: 1180px;
  margin: 34px auto 0;
}

.legacy-card {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.06);
  border-radius: 24px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  min-height: 100%;
}

.legacy-card img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.04);
  margin-bottom: 16px;
}

.legacy-card h3 {
  margin: 0 0 10px;
  font-size: 22px;
  line-height: 1.12;
}

.legacy-card p {
  font-size: 15px;
  min-height: 118px;
}

.legacy-card .btn {
  width: 100%;
  margin-top: auto;
}

.legacy-card.featured {
  grid-column: span 2;
  display: grid;
  grid-template-columns: minmax(150px, 0.8fr) minmax(0, 1.2fr);
  gap: 18px;
  align-items: center;
}

.legacy-card.featured img {
  aspect-ratio: 4 / 3;
  margin: 0;
}
.notice {
  max-width: 920px;
  margin: 36px auto 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
  text-align: center;
}

@keyframes breathe {
  0%, 100% { transform: scale(0.98); filter: hue-rotate(0deg); }
  50% { transform: scale(1.035); filter: hue-rotate(16deg); }
}

@media (max-width: 980px) {
  .hero, .section-grid, .downloads { grid-template-columns: 1fr; }
  .hero { padding-top: 110px; }
}

@media (max-width: 620px) {
  .brand {
    align-items: flex-start;
    flex-direction: column;
  }
  .player-actions { grid-template-columns: 1fr; }
  .legacy-card.featured {
    grid-column: auto;
    grid-template-columns: 1fr;
  }
}