:root {
  color-scheme: dark;
  --bg: #090e12;
  --bg-soft: #111a20;
  --panel: #142028;
  --panel-strong: #1b2b35;
  --text: #eef7f5;
  --muted: #adc0bc;
  --quiet: #7f9691;
  --line: rgba(224, 242, 238, 0.14);
  --accent: #8ddfcf;
  --accent-strong: #37d06f;
  --warm: #f2c46d;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.36);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    linear-gradient(180deg, rgba(141, 223, 207, 0.08), transparent 540px),
    radial-gradient(circle at 86% 12%, rgba(55, 208, 111, 0.14), transparent 28rem),
    var(--bg);
  color: var(--text);
  line-height: 1.6;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(to bottom, black, transparent 72%);
}

a {
  color: inherit;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: 1rem;
  z-index: 10;
  transform: translateY(-200%);
  border-radius: 4px;
  background: var(--accent);
  color: #06100f;
  padding: 0.75rem 1rem;
  font-weight: 700;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header,
.section,
.site-footer {
  width: min(1120px, calc(100% - 40px));
  margin-inline: auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  font-weight: 800;
  letter-spacing: 0;
}

.brand img {
  border-radius: 8px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.site-nav a {
  border-radius: 4px;
  padding: 0.55rem 0.75rem;
  text-decoration: none;
}

.site-nav a:focus,
.site-nav a:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
  outline: none;
}

.section {
  padding: 5.5rem 0;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.8fr);
  gap: 4rem;
  align-items: center;
  min-height: calc(100svh - 80px);
  padding-top: 3rem;
}

.eyebrow {
  margin: 0 0 0.9rem;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 12ch;
  margin-bottom: 1.35rem;
  font-size: clamp(3.3rem, 9vw, 6.8rem);
  line-height: 0.91;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 1rem;
  font-size: clamp(2rem, 5vw, 3.6rem);
  line-height: 1;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 0.5rem;
  font-size: 1.05rem;
  line-height: 1.2;
}

.hero-text {
  max-width: 42rem;
  color: var(--muted);
  font-size: clamp(1.1rem, 2vw, 1.35rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin: 2rem 0 1.4rem;
}

.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0.7rem 1rem;
  text-decoration: none;
  font-weight: 800;
}

.button:focus,
.button:hover {
  outline: 2px solid rgba(141, 223, 207, 0.9);
  outline-offset: 3px;
}

.button.primary {
  border-color: transparent;
  background: var(--accent);
  color: #06100f;
}

.button.secondary {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
}

.disclaimer,
.preview-note {
  max-width: 45rem;
  color: var(--quiet);
  font-size: 0.9rem;
}

.tv-preview {
  align-self: end;
}

.tv-frame {
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background: #05080a;
  padding: 0.65rem;
  box-shadow: var(--shadow);
}

.tv-screen {
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border-radius: 4px;
  background:
    linear-gradient(135deg, rgba(141, 223, 207, 0.18), transparent 38%),
    linear-gradient(180deg, #111b22, #070b0e);
  padding: 1rem;
}

.screen-topbar,
.viewer-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  color: var(--muted);
  font-size: clamp(0.65rem, 1.6vw, 0.9rem);
}

.screen-topbar span:first-child,
.viewer-strip strong {
  color: var(--text);
}

.album-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.6rem;
  margin: 1.1rem 0;
}

.album-grid span {
  aspect-ratio: 1.2 / 1;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 6px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0.03)),
    var(--panel);
}

.album-grid .focused {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(141, 223, 207, 0.28);
}

.viewer-strip {
  border-top: 1px solid var(--line);
  padding-top: 0.8rem;
}

.split,
.privacy,
.availability {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1fr);
  gap: 3rem;
  align-items: start;
}

.split p,
.availability p,
.section-heading p,
.privacy-card {
  color: var(--muted);
  font-size: 1.05rem;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 2rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.feature-grid article,
.pillars > div,
.privacy-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(17, 26, 32, 0.74);
  padding: 1.25rem;
}

.feature-grid article p,
.pillars p {
  margin-bottom: 0;
  color: var(--muted);
}

.samsung {
  border-block: 1px solid var(--line);
}

.pillars {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.number {
  display: block;
  margin-bottom: 1.5rem;
  color: var(--warm);
  font-size: 0.8rem;
  font-weight: 800;
}

.privacy {
  align-items: center;
}

.privacy-card {
  background: linear-gradient(135deg, rgba(141, 223, 207, 0.12), rgba(17, 26, 32, 0.78));
}

.privacy-card ul {
  display: grid;
  gap: 0.55rem;
  margin: 1rem 0 0;
  padding-left: 1.2rem;
}

.roadmap-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.roadmap-list span {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  padding: 0.65rem 0.85rem;
  color: var(--muted);
  font-weight: 700;
}

.availability {
  border-top: 1px solid var(--line);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  border-top: 1px solid var(--line);
  padding: 2rem 0 3rem;
  color: var(--quiet);
  font-size: 0.9rem;
}

.site-footer p {
  max-width: 42rem;
  margin-bottom: 0;
}

@media (max-width: 880px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero,
  .split,
  .privacy,
  .availability {
    grid-template-columns: 1fr;
  }

  .hero {
    gap: 2.5rem;
    min-height: auto;
  }

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

  .site-footer {
    flex-direction: column;
  }
}

@media (max-width: 620px) {
  .site-header,
  .section,
  .site-footer {
    width: min(100% - 28px, 1120px);
  }

  .site-nav {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 0.25rem;
  }

  .section {
    padding: 4rem 0;
  }

  h1 {
    font-size: clamp(3rem, 18vw, 4.2rem);
  }

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

  .hero-actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .tv-screen {
    padding: 0.7rem;
  }

  .album-grid {
    gap: 0.4rem;
  }
}

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