/*
 * Auto Lyrics product page.
 * Tokens and visual direction follow docs/BRAND_GUIDE.md dark blueprint mode.
 */

.product-layout {
  position: relative;
  z-index: 1;
  max-width: 1080px;
  margin: 0 auto;
  padding: 36px 24px 56px;
}

.product-nav {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 54px;
  font-size: 13px;
}

.product-nav a {
  color: var(--ink-muted);
}

.product-nav a:hover {
  color: var(--amber);
}

@media (min-width: 681px) and (max-width: 1400px) {
  .product-nav {
    padding-right: 112px;
  }
}

.product-hero {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(380px, 1.08fr);
  gap: 64px;
  align-items: center;
  min-height: 560px;
}

.product-hero h1 {
  max-width: 720px;
  margin: 0;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: clamp(46px, 7vw, 76px);
  font-weight: 500;
  letter-spacing: -0.055em;
  line-height: 0.96;
}

.product-hero__lead {
  max-width: 590px;
  margin: 26px 0 0;
  color: var(--ink-soft);
  font-size: 17px;
  line-height: 1.65;
}

.product-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}

.product-button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: 11px 16px;
  border: 1px solid var(--edge-strong);
  border-radius: 8px;
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 500;
  transition:
    background 160ms ease,
    border-color 160ms ease,
    color 160ms ease,
    transform 160ms ease;
}

.product-button:hover {
  border-color: var(--navy-light);
  background: var(--surface);
  color: var(--ink);
  transform: translateY(-1px);
}

.product-button--primary {
  border-color: var(--amber);
  background: var(--amber);
  color: var(--bg);
}

.product-button--primary:hover {
  border-color: #ffc359;
  background: #ffc359;
  color: var(--bg);
}

.product-status {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 22px 0 0;
  color: var(--ink-muted);
  font-size: 12px;
}

.product-status span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--navy-lighter, #7894c5);
}

.product-preview {
  position: relative;
  min-height: 500px;
}

.preview-phone,
.demo-phone {
  border: 1px solid var(--edge-strong);
  background: #08131f;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.05) inset,
    0 30px 70px -40px rgba(0, 0, 0, 0.9);
}

.preview-phone {
  position: absolute;
  top: 0;
  right: 16px;
  width: min(310px, 76%);
  min-height: 488px;
  padding: 24px 22px;
  border-radius: 34px;
}

.preview-phone__top,
.preview-car__bar,
.demo-auto__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--ink-soft);
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.preview-source,
.demo-source {
  padding: 4px 7px;
  border: 1px solid var(--edge-strong);
  border-radius: 999px;
  color: var(--ink-muted);
  font-size: 8px;
}

.preview-album {
  position: relative;
  width: 126px;
  height: 126px;
  margin: 48px auto 24px;
  overflow: hidden;
  border: 1px solid var(--edge-strong);
  border-radius: 8px;
  background:
    linear-gradient(135deg, #1a2d52, #0d1b2a 55%, #3d5a9c);
}

.preview-album span {
  position: absolute;
  display: block;
  height: 1px;
  background: rgba(245, 166, 35, 0.85);
  transform-origin: left center;
}

.preview-album span:nth-child(1) {
  top: 78px;
  left: 19px;
  width: 92px;
  transform: rotate(-23deg);
}

.preview-album span:nth-child(2) {
  top: 48px;
  left: 28px;
  width: 72px;
  transform: rotate(34deg);
}

.preview-album span:nth-child(3) {
  top: 92px;
  left: 48px;
  width: 58px;
  transform: rotate(-64deg);
}

.preview-track,
.preview-artist {
  margin: 0;
  text-align: center;
}

.preview-track {
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 500;
}

.preview-artist {
  margin-top: 2px;
  color: var(--ink-muted);
  font-size: 12px;
}

.preview-lyrics {
  margin-top: 42px;
  text-align: center;
}

.preview-lyrics p {
  margin: 0 0 16px;
  color: var(--ink-muted);
  font-size: 13px;
}

.preview-lyrics .is-current {
  color: var(--ink);
  font-size: 16px;
  font-weight: 500;
}

.preview-car {
  position: absolute;
  right: 180px;
  bottom: 22px;
  width: min(380px, 92%);
  min-height: 190px;
  padding: 18px;
  border: 1px solid var(--edge-strong);
  border-radius: 12px;
  background: var(--surface);
  box-shadow: 0 24px 60px -34px rgba(0, 0, 0, 0.95);
}

.preview-car__content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 132px;
  text-align: center;
}

.preview-car__content p,
.preview-car__content span {
  margin: 0;
  color: var(--ink-muted);
  font-size: 11px;
}

.preview-car__content strong {
  margin: 16px 0 12px;
  color: var(--amber);
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 500;
}

.proof-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 42px;
  border-top: 1px solid var(--edge);
  border-left: 1px solid var(--edge);
}

.proof-strip div {
  padding: 20px;
  border-right: 1px solid var(--edge);
  border-bottom: 1px solid var(--edge);
}

.proof-strip strong,
.proof-strip span {
  display: block;
}

.proof-strip strong {
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 500;
}

.proof-strip span {
  margin-top: 5px;
  color: var(--ink-muted);
  font-size: 11px;
}

.product-section {
  margin-top: 96px;
  scroll-margin-top: 28px;
}

.product-section--split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 72px;
}

.product-kicker {
  margin: 0 0 12px;
  color: var(--amber);
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.product-section h2,
.product-cta h2 {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: clamp(28px, 4.8vw, 44px);
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 1.05;
}

.product-prose p {
  margin: 0 0 18px;
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.7;
}

.product-prose a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--edge-strong);
  text-underline-offset: 3px;
}

.product-prose a:hover {
  color: var(--amber);
}

.product-section__header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 32px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--edge);
}

.product-section__header > p {
  max-width: 280px;
  margin: 0;
  color: var(--ink-muted);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-align: right;
  text-transform: uppercase;
}

.demo-shell {
  display: grid;
  grid-template-columns: minmax(260px, 0.72fr) minmax(380px, 1.28fr);
  gap: 18px;
  margin-top: 22px;
}

.demo-phone {
  grid-row: 1 / span 2;
  min-height: 430px;
  padding: 24px;
  border-radius: 24px;
}

.demo-phone__header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
}

.demo-phone__header div {
  display: flex;
  flex-direction: column;
}

.demo-phone__header span {
  color: var(--ink-muted);
  font-family: var(--font-display);
  font-size: 9px;
  letter-spacing: 0.12em;
}

.demo-phone__header strong {
  margin-top: 8px;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 500;
}

.demo-phone__header small {
  color: var(--ink-muted);
  font-size: 11px;
}

.demo-lines {
  display: flex;
  min-height: 300px;
  flex-direction: column;
  justify-content: center;
  text-align: center;
}

.demo-lines p {
  min-height: 28px;
  margin: 11px 0;
  color: var(--ink-muted);
  font-size: 14px;
  transition: color 180ms ease, transform 180ms ease;
}

.demo-lines .is-current {
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 500;
  transform: scale(1.02);
}

.demo-auto {
  min-height: 270px;
  padding: 22px;
  border: 1px solid var(--edge-strong);
  border-radius: 12px;
  background: var(--surface);
}

.demo-auto__lines {
  display: flex;
  min-height: 210px;
  flex-direction: column;
  justify-content: center;
  text-align: center;
}

.demo-auto__lines span {
  min-height: 22px;
  color: var(--ink-muted);
  font-size: 12px;
}

.demo-auto__lines strong {
  min-height: 28px;
  margin: 18px 0;
  color: var(--amber);
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 500;
}

.demo-controls {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 10px 14px;
  align-items: center;
  padding: 18px;
  border: 1px solid var(--edge);
  border-radius: 10px;
  background: rgba(20, 38, 64, 0.6);
}

.demo-controls button {
  grid-row: 1 / span 2;
  min-height: 42px;
  padding: 0 14px;
  border: 1px solid var(--amber);
  border-radius: 7px;
  background: transparent;
  color: var(--amber);
  cursor: pointer;
  font: 500 12px var(--font-body);
}

.demo-controls button:hover {
  background: rgba(245, 166, 35, 0.08);
}

.demo-controls label {
  grid-column: 2;
  color: var(--ink-muted);
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.demo-controls input {
  min-width: 0;
  accent-color: var(--amber);
}

.demo-controls > span {
  grid-column: 3;
  color: var(--ink-soft);
  font-family: var(--font-display);
  font-size: 12px;
}

.build-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.validation-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 22px;
}

.validation-card {
  min-height: 270px;
  padding: 22px;
  border: 1px solid var(--edge);
  border-radius: 10px;
  background: rgba(20, 38, 64, 0.64);
}

.validation-card--done {
  border-color: rgba(79, 184, 166, 0.42);
}

.validation-card > span {
  color: var(--ink-muted);
  font-family: var(--font-display);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.validation-card--done > span {
  color: #4fb8a6;
}

.validation-card h3 {
  margin: 30px 0 14px;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 500;
}

.validation-card ul {
  margin: 0;
  padding-left: 18px;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.6;
}

.validation-card li + li {
  margin-top: 7px;
}

.build-steps li {
  padding: 22px;
  border: 1px solid var(--edge);
  border-radius: 10px;
  background: rgba(20, 38, 64, 0.64);
}

.build-steps li > span {
  color: var(--ink-muted);
  font-family: var(--font-display);
  font-size: 10px;
  letter-spacing: 0.12em;
}

.build-steps h3 {
  margin: 34px 0 12px;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 500;
}

.build-steps p,
.contribution-list {
  margin: 0;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.6;
}

.contribution-list {
  padding-left: 20px;
}

.contribution-list li + li {
  margin-top: 8px;
}

.product-cta {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 48px;
  margin-top: 96px;
  padding: 30px;
  border: 1px solid var(--edge-strong);
  border-radius: 10px;
  background: var(--surface);
}

.product-cta > div {
  max-width: 650px;
}

.product-cta h2 {
  font-size: clamp(26px, 4vw, 38px);
}

.product-cta p:last-child {
  margin: 14px 0 0;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.55;
}

.product-cta .product-button {
  flex-shrink: 0;
}

@media (max-width: 860px) {
  .product-hero {
    grid-template-columns: 1fr;
    gap: 54px;
  }

  .product-preview {
    width: min(620px, 100%);
    margin: 0 auto;
  }

  .product-section--split {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}

@media (max-width: 680px) {
  .product-layout {
    padding: 72px 20px 44px;
  }

  .product-nav {
    margin-bottom: 42px;
  }

  .product-hero {
    min-height: 0;
  }

  .product-hero h1 {
    font-size: clamp(43px, 14vw, 62px);
  }

  .product-preview {
    min-height: 470px;
  }

  .preview-phone {
    right: 0;
  }

  .preview-car {
    right: auto;
    left: 0;
  }

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

  .product-section {
    margin-top: 72px;
  }

  .product-section__header {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

  .product-section__header > p {
    text-align: left;
  }

  .demo-shell {
    grid-template-columns: 1fr;
  }

  .demo-phone {
    grid-row: auto;
  }

  .build-steps {
    grid-template-columns: 1fr;
  }

  .validation-grid {
    grid-template-columns: 1fr;
  }

  .product-cta {
    align-items: stretch;
    flex-direction: column;
    gap: 28px;
  }
}

@media (max-width: 420px) {
  .preview-phone {
    width: 84%;
  }

  .preview-car {
    width: 94%;
  }

  .demo-controls {
    grid-template-columns: 1fr auto;
  }

  .demo-controls button {
    grid-column: 1 / -1;
    grid-row: auto;
  }

  .demo-controls label,
  .demo-controls input {
    grid-column: 1;
  }

  .demo-controls > span {
    grid-column: 2;
    grid-row: 3;
  }
}

@media (prefers-reduced-motion: reduce) {
  .demo-lines p,
  .product-button {
    transition: none;
  }
}

.product-button:focus-visible,
.demo-controls button:focus-visible,
.demo-controls input:focus-visible {
  outline: 3px solid var(--amber);
  outline-offset: 4px;
}