/* This file is responsible for the upgrade subpage styles that extend the main ReChew homepage design system. */

.upgrade-page {
  background: var(--bg);
  padding-bottom: 0;
  overflow-x: hidden;
}

.upgrade-page .site-header .brand[href="index.html"] {
  scroll-margin-top: 6rem;
}

.upgrade-hero {
  position: relative;
  overflow: hidden;
  background: #0f1f17;
  color: #fff;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.upgrade-hero__layout {
  min-height: calc(100svh - 72px);
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(420px, 1.18fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
  padding-top: clamp(4rem, 7vw, 7rem);
  padding-bottom: clamp(4rem, 7vw, 7rem);
}

.upgrade-hero__copy h1,
.upgrade-section__header h2,
.upgrade-copy h2,
.upgrade-final h2 {
  font-family: var(--font-display);
  letter-spacing: -0.05em;
}

.upgrade-hero__copy h1 {
  max-width: 12ch;
  margin-top: 1rem;
  font-size: clamp(3rem, 5.6vw, 5.2rem);
  line-height: 1.02;
}

.upgrade-hero__accent {
  display: block;
  color: var(--meadow-400);
  font-style: normal;
}

.upgrade-hero__copy p {
  max-width: 42rem;
  margin-top: 1.4rem;
  color: rgba(255,255,255,0.62);
  font-size: 1.08rem;
  line-height: 1.82;
}

.upgrade-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2.1rem;
}

.upgrade-hero__media {
  min-width: 0;
  width: min(100%, 760px);
  justify-self: center;
}

.upgrade-video-frame {
  overflow: hidden;
  border-radius: var(--r-lg);
  background: rgba(7, 18, 12, 0.92);
  border: 1px solid rgba(255,255,255,0.12);
  box-shadow: var(--shadow-lg);
}

.upgrade-video-frame video,
.upgrade-video-frame iframe {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  height: auto;
  background: #07120c;
  border: 0;
}

.upgrade-video-frame--hero {
  border-radius: 28px;
  box-shadow: 0 36px 90px rgba(0,0,0,0.42);
}

.upgrade-video-frame--hero video {
  aspect-ratio: 16 / 9;
  object-fit: cover;
  object-position: center;
}

.upgrade-video-frame--wide video,
.upgrade-video-frame video {
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.upgrade-video-frame--small {
  width: min(420px, 100%);
  justify-self: end;
}

.upgrade-video-slot {
  display: grid;
  place-items: center;
  gap: 0.35rem;
  width: 100%;
  aspect-ratio: 16 / 9;
  padding: 1.2rem;
  border-radius: var(--r-md);
  background:
    linear-gradient(135deg, rgba(15,179,97,0.14), rgba(255,255,255,0.06)),
    rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.14);
  color: rgba(255,255,255,0.88);
  text-align: center;
}

.upgrade-section--light .upgrade-video-slot {
  background:
    linear-gradient(135deg, rgba(15,179,97,0.12), rgba(245,158,36,0.07)),
    #f8fbf9;
  border-color: rgba(15,31,23,0.09);
  color: var(--text-primary);
}

.upgrade-video-slot span {
  color: inherit;
  opacity: 0.52;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.upgrade-video-slot strong {
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  line-height: 1.2;
}

.upgrade-video-slot--inline {
  width: 100%;
  justify-self: stretch;
}

.upgrade-image-slot {
  width: 100%;
  margin: 0;
  padding: 0.55rem;
  border-radius: var(--r-md);
  background: #f8fbf9;
  border: 1px solid rgba(15,31,23,0.09);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.78);
}

.upgrade-image-slot img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: calc(var(--r-md) - 6px);
}

.upgrade-hero__signals {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1rem;
}

.upgrade-hero__signals li {
  padding: 0.42rem 0.82rem;
  border-radius: var(--r-pill);
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.14);
  color: rgba(255,255,255,0.62);
  font-size: 0.82rem;
  line-height: 1.2;
}

.upgrade-section {
  padding: var(--section-v) 0;
}

.upgrade-section--light {
  background: var(--bg-white);
}

.upgrade-section--dark {
  background: var(--dark);
  color: #fff;
}

.upgrade-section--language {
  background:
    linear-gradient(160deg, var(--bg-tint) 0%, var(--bg-white) 58%, #f7fbf8 100%);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.upgrade-section__header {
  max-width: 54rem;
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
}

.upgrade-section__header h2,
.upgrade-copy h2 {
  margin-top: 0.85rem;
  font-size: clamp(2.35rem, 4.5vw, 4rem);
  line-height: 1.06;
}

.upgrade-section__header p,
.upgrade-copy p {
  margin-top: 1.05rem;
  color: var(--text-secondary);
  font-size: 1.02rem;
  line-height: 1.82;
}

.upgrade-section--dark .upgrade-section__header p,
.upgrade-section--dark .upgrade-copy p {
  color: rgba(255,255,255,0.60);
}

.upgrade-split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 1.1fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
}

.upgrade-copy p + p {
  margin-top: 1rem;
}

.upgrade-media-stack {
  display: grid;
  gap: 1rem;
}

.upgrade-metric-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.85rem;
}

.upgrade-metric-row > div,
.youtube-slot,
.accessibility-feature,
.intent-panel,
.accessibility-card {
  background: rgba(255,255,255,0.78);
  border: 1px solid rgba(15,31,23,0.08);
  box-shadow: var(--shadow-sm);
}

.upgrade-metric-row > div {
  display: grid;
  gap: 0.25rem;
  padding: 1rem;
  border-radius: var(--r-md);
}

.upgrade-metric-row strong {
  color: var(--text-primary);
  font-size: 0.98rem;
}

.upgrade-metric-row span {
  color: var(--text-secondary);
  font-size: 0.86rem;
  line-height: 1.55;
}

.intent-panel {
  display: grid;
  grid-template-columns: minmax(280px, 0.95fr) minmax(0, 1fr);
  gap: 1.2rem;
  align-items: center;
  padding: 1rem;
  border-radius: var(--r-lg);
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.12);
  box-shadow: 0 18px 52px rgba(0,0,0,0.25);
}

.intent-panel--single {
  grid-template-columns: minmax(360px, 1.15fr) minmax(280px, 0.85fr);
}

.intent-panel h3,
.accessibility-feature h3,
.accessibility-card h3 {
  color: inherit;
  font-size: 1.25rem;
  line-height: 1.22;
  letter-spacing: -0.025em;
}

.intent-panel p {
  margin-top: 0.7rem;
  color: rgba(255,255,255,0.62);
  font-size: 0.95rem;
  line-height: 1.75;
}

.youtube-slot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  margin-top: 1.1rem;
  padding: 1rem 1.15rem;
  border-radius: var(--r-md);
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.12);
  box-shadow: none;
}

.youtube-slot strong,
.youtube-slot span {
  display: block;
}

.youtube-slot strong {
  color: rgba(255,255,255,0.9);
}

.youtube-slot span {
  margin-top: 0.2rem;
  color: rgba(255,255,255,0.52);
  font-size: 0.9rem;
  line-height: 1.55;
}

.accessibility-video-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.25rem;
  margin-top: 1.6rem;
}

.accessibility-video-grid .accessibility-feature {
  margin-top: 0;
}

.accessibility-card {
  display: grid;
  gap: 1rem;
  padding: 1.05rem;
  border-radius: var(--r-lg);
}

.accessibility-card__header,
.accessibility-feature > div:first-child {
  display: grid;
  gap: 0.35rem;
}

.accessibility-card p,
.accessibility-feature p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.75;
}

.accessibility-card p {
  margin-top: 0.6rem;
}

.paired-videos {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  margin-top: 1rem;
}

.paired-video {
  min-width: 0;
}

.paired-video span {
  display: block;
  margin-bottom: 0.45rem;
  color: var(--text-muted);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.paired-video video {
  display: block;
  width: 100%;
  border-radius: 14px;
  background: #07120c;
  border: 1px solid rgba(15,31,23,0.10);
}

.accessibility-feature {
  display: grid;
  grid-template-columns: minmax(220px, 0.42fr) minmax(420px, 0.95fr);
  gap: 1.2rem;
  align-items: center;
  margin-top: 1.1rem;
  padding: 1.15rem;
  border-radius: var(--r-lg);
}

.accessibility-feature--text {
  grid-template-columns: minmax(180px, 0.28fr) minmax(0, 1fr);
}

.accessibility-feature--media {
  grid-template-columns: minmax(220px, 0.42fr) minmax(420px, 0.95fr);
}

.accessibility-feature--media .upgrade-video-slot,
.accessibility-feature--media .upgrade-image-slot {
  width: 100%;
}

.accessibility-list {
  margin-top: 1.1rem;
}

.paired-videos--compact {
  margin-top: 0;
}

.language-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(360px, 1fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
}

.language-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  align-content: center;
  min-height: 280px;
  padding: 1.4rem;
  border-radius: var(--r-xl);
  background: rgba(255,255,255,0.70);
  border: 1px solid rgba(15,179,97,0.16);
  box-shadow: var(--shadow-md);
}

.language-cloud span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  padding: 0.65rem 1rem;
  border-radius: var(--r-pill);
  background: var(--bg-white);
  border: 1px solid var(--border);
  color: var(--text-primary);
  font-weight: 700;
  line-height: 1.2;
  box-shadow: 0 4px 16px rgba(15,31,23,0.06);
}

.language-cloud span:nth-child(3n) {
  background: rgba(245,158,36,0.10);
  border-color: rgba(245,158,36,0.18);
}

.language-cloud span:nth-child(4n) {
  background: rgba(15,179,97,0.10);
  border-color: rgba(15,179,97,0.18);
}

.compatibility-layout {
  display: grid;
  grid-template-columns: minmax(220px, 0.5fr) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
}

.compatibility-number {
  display: grid;
  place-items: center;
  min-height: 280px;
  border-radius: var(--r-xl);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  color: var(--meadow-400);
  font-family: var(--font-display);
  font-size: clamp(5.5rem, 13vw, 10rem);
  font-weight: 900;
  letter-spacing: -0.08em;
  box-shadow: 0 22px 70px rgba(0,0,0,0.24);
}

.upgrade-final {
  padding: var(--section-v) 0;
  background:
    linear-gradient(145deg, #10251a 0%, var(--dark) 60%, #1d3025 100%);
  color: #fff;
}

.upgrade-final__inner {
  max-width: 54rem;
  margin-inline: auto;
  text-align: center;
}

.upgrade-final h2 {
  margin-top: 0.9rem;
  font-size: clamp(2.4rem, 5vw, 4.4rem);
  line-height: 1.04;
}

.upgrade-final p {
  max-width: 42rem;
  margin: 1rem auto 1.8rem;
  color: rgba(255,255,255,0.62);
  font-size: 1.04rem;
  line-height: 1.78;
}

@media (max-width: 980px) {
  .upgrade-hero__layout,
  .upgrade-split,
  .language-layout,
  .compatibility-layout {
    grid-template-columns: 1fr;
  }

  .upgrade-hero__layout {
    min-height: auto;
  }

  .upgrade-video-frame--small {
    justify-self: stretch;
    width: 100%;
  }

  .upgrade-video-slot--inline {
    justify-self: stretch;
    width: 100%;
  }

  .accessibility-feature {
    grid-template-columns: 1fr;
  }

  .intent-panel,
  .intent-panel--single,
  .accessibility-card {
    grid-template-columns: 1fr;
  }

  .accessibility-feature--text {
    grid-template-columns: 1fr;
  }

  .compatibility-number {
    min-height: 220px;
  }
}

@media (max-width: 720px) {
  .upgrade-page .site-nav a:nth-child(n+2) {
    display: none;
  }

  .upgrade-hero__copy {
    text-align: center;
  }

  .upgrade-hero__copy h1,
  .upgrade-hero__copy p {
    margin-left: auto;
    margin-right: auto;
  }

  .upgrade-hero__actions,
  .upgrade-hero__signals {
    justify-content: center;
  }

  .upgrade-hero__actions .btn {
    width: min(100%, 17rem);
    white-space: normal;
  }

  .upgrade-metric-row,
  .paired-videos,
  .paired-videos--compact {
    grid-template-columns: 1fr;
  }

  .intent-panel {
    grid-template-columns: 1fr;
  }

  .youtube-slot {
    align-items: flex-start;
    flex-direction: column;
  }

  .language-cloud {
    min-height: 0;
    padding: 1rem;
  }
}

@media (max-width: 540px) {
  .upgrade-page .site-header .container {
    gap: 0.75rem;
  }

  .upgrade-page .site-header .btn-appstore {
    display: none;
  }

  .upgrade-hero__layout {
    padding-top: 3.2rem;
  }

  .upgrade-hero__copy h1 {
    max-width: min(100%, 8.4ch);
    font-size: clamp(2.45rem, 11vw, 3.35rem);
    overflow-wrap: normal;
  }

  .upgrade-hero__copy p {
    max-width: min(100%, 18rem);
    font-size: 0.98rem;
  }

  .upgrade-hero__media {
    width: min(100%, 620px);
  }

  .upgrade-section__header h2,
  .upgrade-copy h2,
  .upgrade-final h2 {
    font-size: clamp(2.15rem, 10vw, 3.1rem);
  }

  .upgrade-video-frame,
  .accessibility-card,
  .accessibility-feature,
  .intent-panel {
    border-radius: var(--r-md);
  }
}