/* Chord Lens — hero and the live chord-strip demo. */

.hero {
  position: relative;
  padding: clamp(3.5rem, 8vw, 6.5rem) 0 clamp(3rem, 6vw, 4.5rem);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: -30% 0 auto 50%;
  translate: -50% 0;
  width: min(1100px, 130vw);
  aspect-ratio: 1;
  background: radial-gradient(circle, rgba(224, 20, 50, 0.16), transparent 62%);
  pointer-events: none;
  z-index: -1;
}

.hero__grid {
  display: grid;
  gap: clamp(2.5rem, 5vw, 4rem);
  align-items: center;
  grid-template-columns: minmax(0, 1fr);
}

@media (min-width: 1000px) {
  .hero__grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
}

.hero h1 { margin-top: 1rem; }

.hero h1 em {
  font-style: normal;
  white-space: nowrap;
  background: linear-gradient(100deg, var(--accent-hot), #ff7a5c);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero .lede { margin-top: 1.25rem; }

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2rem;
}

.hero__proof {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 1.4rem;
  margin-top: 2.25rem;
  font-size: 0.85rem;
  color: var(--text-dim);
}

.hero__proof li {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  list-style: none;
}

.hero__proof li::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent-hot);
  flex: none;
}

.hero__proof ul, .hero__proof { padding: 0; margin-block: 2.25rem 0; }

/* ---- The demo: a faithful recreation of the player overlay ------------ */

.demo {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, var(--ink-700), var(--ink-800));
  box-shadow: 0 40px 80px -40px rgba(0, 0, 0, 0.9), 0 0 0 1px rgba(255, 255, 255, 0.02) inset;
  overflow: hidden;
  container-type: inline-size;
}

.demo__bar {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.62rem 0.8rem;
  border-bottom: 1px solid var(--line-soft);
  font-size: 0.75rem;
  background: var(--ink-800);
}

.demo__stat { color: var(--text-dim); white-space: nowrap; }
.demo__stat b { color: var(--text); font-weight: 600; }

.demo__chips {
  display: flex;
  gap: 0.35rem;
  margin-left: auto;
  flex: none;
}

.demo__chip {
  padding: 0.28rem 0.55rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--text-dim);
  font-size: 0.72rem;
  white-space: nowrap;
}

.demo__chip--on {
  border-color: var(--accent-line);
  color: #ffc9d0;
  background: var(--accent-soft);
}

@container (max-width: 470px) {
  .demo__stat--time, .demo__chip--extra { display: none; }
}

.demo__strip {
  position: relative;
  padding: 1.1rem 0;
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}

/* Default is the no-script layout: a centred row of cards that reads correctly
   on its own. The script sets data-live and takes over positioning. */
.demo__track {
  display: flex;
  gap: 0.6rem;
  justify-content: center;
}

.demo__track[data-live="true"] {
  justify-content: flex-start;
  padding-inline: 50%;
  width: max-content;
  transition: transform 0.5s var(--ease);
  will-change: transform;
}

.card {
  flex: none;
  width: 100px;
  padding: 0.7rem 0.5rem 0.55rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-600);
  text-align: center;
  transition: border-color 0.3s, background 0.3s, opacity 0.3s, scale 0.35s var(--ease);
  opacity: 0.5;
  scale: 0.94;
}

.card__name {
  font-size: 1.42rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
}

.card__name sup {
  font-size: 0.5em;
  font-weight: 700;
  margin-left: 1px;
  vertical-align: super;
}

.card__meta {
  margin-top: 0.4rem;
  font-size: 0.66rem;
  color: var(--text-faint);
  white-space: nowrap;
}

.card__rail {
  margin-top: 0.5rem;
  height: 2px;
  border-radius: 2px;
  background: var(--line);
  overflow: hidden;
}

.card__fill {
  height: 100%;
  width: 0;
  background: var(--accent-hot);
  transform-origin: left;
}

.card[data-state="active"] {
  opacity: 1;
  scale: 1;
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 12%, var(--ink-600));
  box-shadow: 0 0 0 1px var(--accent-line), 0 10px 30px -14px var(--accent-hot);
}

.card[data-state="next"] { opacity: 0.8; }

.demo__caption {
  padding: 0.7rem 0.9rem;
  border-top: 1px solid var(--line-soft);
  font-size: 0.76rem;
  color: var(--text-faint);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--ink-800);
}

.demo__caption::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-hot);
  box-shadow: 0 0 0 0 var(--accent-line);
  animation: pulse 2.4s ease-out infinite;
  flex: none;
}

@keyframes pulse {
  70% { box-shadow: 0 0 0 7px transparent; }
  100% { box-shadow: 0 0 0 0 transparent; }
}

/* ---- Trust strip ------------------------------------------------------ */

.trust {
  border-block: 1px solid var(--line-soft);
  background: var(--ink-900);
  padding: 1.5rem 0;
}

.trust__row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2.5rem;
  justify-content: center;
  align-items: center;
  font-size: 0.86rem;
  color: var(--text-dim);
  text-align: center;
}

.trust__row b { color: var(--text); font-weight: 600; }