@layer reset, base, components;

@layer reset {
  html,
  body {
    margin: 0;
    padding: 0;
  }

  h1,
  h2,
  h3,
  p,
  ul,
  ol {
    margin-block-start: 0;
  }
}

:root {
  --bg-light: #f8fafc;
  --bg-dark: #0b1120;
  --surface-light: #ffffff;
  --surface-dark: #111827;
  --text-light: #0f172a;
  --text-dark: #f1f5f9;
  --muted-light: #475569;
  --muted-dark: #94a3b8;
  --border-light: #e2e8f0;
  --border-dark: #1e293b;
  --accent-light: #1d4ed8;
  --accent-dark: #60a5fa;
  --accent-text-light: #ffffff;
  --accent-text-dark: #0b1120;

  --color-bg: var(--bg-light);
  --color-surface: var(--surface-light);
  --color-text: var(--text-light);
  --color-muted: var(--muted-light);
  --color-border: var(--border-light);
  --color-accent: var(--accent-light);
  --color-accent-text: var(--accent-text-light);

  @media (prefers-color-scheme: dark) {
    --color-bg: var(--bg-dark);
    --color-surface: var(--surface-dark);
    --color-text: var(--text-dark);
    --color-muted: var(--muted-dark);
    --color-border: var(--border-dark);
    --color-accent: var(--accent-dark);
    --color-accent-text: var(--accent-text-dark);
  }

  @supports (color: light-dark(white, black)) {
    --color-bg: light-dark(var(--bg-light), var(--bg-dark));
    --color-surface: light-dark(var(--surface-light), var(--surface-dark));
    --color-text: light-dark(var(--text-light), var(--text-dark));
    --color-muted: light-dark(var(--muted-light), var(--muted-dark));
    --color-border: light-dark(var(--border-light), var(--border-dark));
    --color-accent: light-dark(var(--accent-light), var(--accent-dark));
    --color-accent-text: light-dark(var(--accent-text-light), var(--accent-text-dark));
  }

  color-scheme: light dark;
  accent-color: var(--color-accent);
  --max-width: 56rem;
  --radius: 0.75rem;
}

@layer base {
  html {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    line-height: 1.6;
    background-color: var(--color-bg);
    color: var(--color-text);
  }

  a {
    color: var(--color-accent);
    text-underline-offset: 0.2em;
  }

  a:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 3px;
    border-radius: 0.2rem;
  }
}

@layer components {
  .skip-link:where(:not(:focus-within, :active)) {
    position: absolute !important;
    clip-path: inset(50%) !important;
    overflow: hidden !important;
    width: 1px !important;
    height: 1px !important;
    margin: -1px !important;
    padding: 0 !important;
    border: 0 !important;
    white-space: nowrap !important;
  }

  .skip-link:focus {
    position: fixed;
    inset-block-start: 0.75rem;
    inset-inline-start: 0.75rem;
    z-index: 10;
    padding: 0.5rem 0.875rem;
    background: var(--color-accent);
    color: var(--color-accent-text);
    border-radius: 0.375rem;
    text-decoration: none;
    font-weight: 600;
  }

  .container {
    max-inline-size: var(--max-width);
    margin-inline: auto;
    padding-inline: 1.25rem;
  }

  .site-header {
    border-block-end: 1px solid var(--color-border);
    background-color: var(--color-surface);
  }

  .header-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding-block: 1rem;
  }

  .brand {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-text);
    text-decoration: none;
    letter-spacing: -0.01em;
  }

  .nav-list {
    display: flex;
    flex-wrap: wrap;
    gap: 1.25rem;
    list-style: none;
    margin: 0;
    padding: 0;
  }

  .nav-list a {
    color: var(--color-muted);
    text-decoration: none;
    font-weight: 500;
  }

  .nav-list a:hover,
  .nav-list a[aria-current="page"] {
    color: var(--color-accent);
  }

  .hero {
    padding-block: 3.5rem 2.5rem;
  }

  .hero h1 {
    font-size: clamp(1.9rem, 4vw, 2.75rem);
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-block-end: 0.85rem;
  }

  .lead {
    font-size: 1.125rem;
    color: var(--color-muted);
    max-inline-size: 42rem;
  }

  .section {
    padding-block: 1.75rem;
  }

  .card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
    gap: 1.25rem;
    margin-block-start: 1rem;
  }

  .section-intro {
    color: var(--color-muted);
    max-inline-size: 42rem;
    margin-block-end: 1.25rem;
  }

  .app-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(18rem, 1fr));
    gap: 1.5rem;
  }

  .card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.25rem;
  }

  .app-card {
    padding: 0;
    overflow: hidden;
    display: flex;
    flex-direction: column;
  }

  .app-media {
    background-color: var(--color-bg);
    border-block-end: 1px solid var(--color-border);
    overflow: hidden;
    display: flex;
    justify-content: center;
    padding: 1rem 1rem 0;
  }

  .app-media img {
    display: block;
    inline-size: min(100%, 15rem);
    block-size: auto;
    aspect-ratio: 9 / 16;
    object-fit: cover;
    object-position: top center;
    border-radius: 1rem 1rem 0 0;
    border: 1px solid var(--color-border);
    border-block-end: 0;
    box-shadow: 0 10px 25px rgb(15 23 42 / 0.14);
  }

  .app-title-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
  }

  .app-icon {
    inline-size: 2.75rem;
    block-size: 2.75rem;
    border-radius: 0.65rem;
    object-fit: cover;
    border: 1px solid var(--color-border);
    flex-shrink: 0;
  }

  .app-actions {
    margin-block-start: 0.5rem;
    padding-block-start: 0.75rem;
    border-block-start: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
  }

  .btn-link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    color: var(--color-accent);
  }

  .btn-link:hover {
    text-decoration: underline;
  }

  .breadcrumb {
    font-size: 0.9rem;
    color: var(--color-muted);
    margin-block: 1.5rem 0.5rem;
  }

  .breadcrumb a {
    color: var(--color-muted);
    text-decoration: none;
  }

  .breadcrumb a:hover {
    color: var(--color-accent);
    text-decoration: underline;
  }

  .detail-hero {
    padding-block: 1.25rem 2rem;
    border-block-end: 1px solid var(--color-border);
  }

  .detail-hero-head {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem;
    margin-block-end: 1rem;
  }

  .detail-icon {
    inline-size: 4.25rem;
    block-size: 4.25rem;
    border-radius: 1rem;
    object-fit: cover;
    border: 1px solid var(--color-border);
    box-shadow: 0 4px 12px rgb(15 23 42 / 0.1);
  }

  .detail-hero h1 {
    font-size: clamp(1.75rem, 3.5vw, 2.5rem);
    line-height: 1.15;
    margin: 0 0 0.25rem;
  }

  .detail-subtitle {
    color: var(--color-muted);
    font-size: 0.95rem;
    margin: 0;
  }

  .spec-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(9.5rem, 1fr));
    gap: 0.75rem;
    margin-block-start: 1.25rem;
  }

  .spec-item {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 0.85rem 1rem;
  }

  .spec-value {
    display: block;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-text);
  }

  .spec-label {
    display: block;
    font-size: 0.82rem;
    color: var(--color-muted);
  }

  .screen-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(13.5rem, 1fr));
    gap: 1.25rem;
    margin-block-start: 1rem;
  }

  .screen-card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    margin: 0;
  }

  .screen-frame {
    background-color: var(--color-bg);
    padding: 0.85rem 0.85rem 0;
    border-block-end: 1px solid var(--color-border);
    display: flex;
    justify-content: center;
  }

  .screen-frame img {
    display: block;
    inline-size: 100%;
    max-inline-size: 14rem;
    block-size: auto;
    aspect-ratio: 9 / 18;
    object-fit: cover;
    object-position: top center;
    border-radius: 0.85rem 0.85rem 0 0;
    border: 1px solid var(--color-border);
    border-block-end: 0;
  }

  .screen-caption {
    padding: 0.9rem 1rem;
  }

  .screen-caption strong {
    display: block;
    font-size: 0.95rem;
    margin-block-end: 0.2rem;
  }

  .screen-caption span {
    display: block;
    font-size: 0.85rem;
    color: var(--color-muted);
    line-height: 1.45;
  }

  .feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
    gap: 1rem;
    margin-block-start: 1rem;
  }

  .app-body {
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    flex: 1;
  }

  .app-header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
  }

  .app-header h3 {
    margin: 0;
    font-size: 1.2rem;
  }

  .status-badge {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.2rem 0.6rem;
    border-radius: 999px;
    border: 1px solid var(--color-border);
    background-color: var(--color-bg);
    color: var(--color-muted);
    white-space: nowrap;
  }

  .tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    list-style: none;
    margin: 0;
    margin-block-start: auto;
    padding: 0;
  }

  .tag-list li {
    font-size: 0.8rem;
    font-weight: 500;
    padding: 0.2rem 0.55rem;
    border-radius: 0.375rem;
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    color: var(--color-muted);
  }

  .card h3 {
    margin-block-end: 0.4rem;
    font-size: 1.1rem;
  }

  .card p {
    color: var(--color-muted);
    margin-block-end: 0;
  }

  .legal-content {
    padding-block: 2.5rem 3.5rem;
    max-inline-size: 44rem;
  }

  .legal-content h1 {
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    line-height: 1.2;
    margin-block-end: 0.5rem;
  }

  .legal-content h2 {
    margin-block: 1.75rem 0.5rem;
    font-size: 1.2rem;
  }

  .muted {
    color: var(--color-muted);
  }

  .site-footer {
    border-block-start: 1px solid var(--color-border);
    margin-block-start: 3rem;
    padding-block: 1.75rem;
    color: var(--color-muted);
    font-size: 0.925rem;
  }

  .footer-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
  }

  .footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    list-style: none;
    margin: 0;
    padding: 0;
  }
}