@layer reset, tokens, base, layout, components, utilities;

@layer tokens {
  :root {
    color-scheme: dark;
    --bg-canvas: #090d16;
    --bg-surface: #111827;
    --bg-surface-elevated: #1a2334;
    --border-subtle: rgba(148, 163, 184, 0.24);
    --border-strong: rgba(56, 189, 248, 0.55);

    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;

    --accent-primary: #38bdf8;
    --accent-primary-hover: #7dd3fc;
    --accent-on-primary: #061224;
    --accent-live: #ef4444;
    --accent-emerald: #10b981;

    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;

    --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, Ubuntu, Cantarell, sans-serif;
    --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

    --space-section: clamp(3.5rem, 2.5rem + 4vw, 6.5rem);
    --container-max: 74rem;
  }
}

@layer reset {
  html {
    font-family: var(--font-sans);
    line-height: 1.6;
    background-color: var(--bg-canvas);
    color: var(--text-primary);
    scroll-behavior: smooth;
  }

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

  body {
    margin: 0;
    min-block-size: 100dvb;
    display: grid;
    grid-template-rows: auto 1fr auto;
    overflow-x: clip;
  }

  h1, h2, h3, h4, p, ul, ol, figure, pre {
    margin-block: 0;
  }

  img, svg {
    display: block;
    max-inline-size: 100%;
  }

  button, a {
    font: inherit;
    color: inherit;
  }
}

@layer base {
  :where(a:any-link, button, summary, [tabindex]):focus-visible {
    outline: 3px solid var(--accent-primary-hover);
    outline-offset: 3px;
    border-radius: 4px;
  }

  .skip-link {
    position: fixed;
    inset-block-start: -100%;
    inset-inline-start: 1rem;
    z-index: 1000;
    padding: 0.75rem 1.25rem;
    background: var(--accent-primary);
    color: var(--accent-on-primary);
    font-weight: 700;
    border-radius: var(--radius-sm);
    text-decoration: none;
  }

  .skip-link:focus {
    inset-block-start: 1rem;
  }
}

@layer layout {
  .container {
    inline-size: min(100% - 2rem, var(--container-max));
    margin-inline: auto;
  }

  .site-header {
    position: sticky;
    inset-block-start: 0;
    z-index: 50;
    background: rgba(9, 13, 22, 0.88);
    backdrop-filter: blur(12px);
    border-block-end: 1px solid var(--border-subtle);
  }

  .header-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: safe center;
    justify-content: space-between;
    gap: 1rem;
    padding-block: 0.85rem;
  }

  .nav-list {
    display: flex;
    flex-wrap: wrap;
    align-items: safe center;
    gap: 0.5rem 1.25rem;
    list-style: none;
    padding-inline-start: 0;
  }

  .section {
    padding-block: var(--space-section);
  }

  .section-alt {
    background-color: rgba(17, 24, 39, 0.55);
    border-block: 1px solid var(--border-subtle);
  }

  .features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
    gap: 1.5rem;
  }
}

@layer components {
  .brand-link {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    text-decoration: none;
    font-weight: 800;
    font-size: 1.2rem;
    letter-spacing: -0.02em;
  }

  .brand-badge {
    display: inline-grid;
    place-items: center;
    inline-size: 2.25rem;
    block-size: 2.25rem;
    background: linear-gradient(135deg, #0284c7, #38bdf8);
    color: var(--accent-on-primary);
    border-radius: var(--radius-sm);
    font-size: 1.1rem;
  }

  .version-pill {
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.2rem 0.6rem;
    border-radius: 999px;
    background: rgba(56, 189, 248, 0.14);
    color: var(--accent-primary-hover);
    border: 1px solid var(--border-strong);
  }

  .nav-link {
    display: inline-flex;
    align-items: center;
    min-block-size: 44px;
    padding-inline: 0.5rem;
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: color 0.15s ease;
  }

  .nav-link:hover {
    color: var(--text-primary);
  }

  .btn {
    display: inline-flex;
    align-items: safe center;
    justify-content: safe center;
    gap: 0.5rem;
    min-block-size: 46px;
    padding: 0.65rem 1.35rem;
    border-radius: var(--radius-sm);
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
    border: 1px solid transparent;
    transition: background-color 0.15s ease, transform 0.12s ease, border-color 0.15s ease;
  }

  .btn-primary {
    background-color: var(--accent-primary);
    color: var(--accent-on-primary);
  }

  .btn-primary:hover {
    background-color: var(--accent-primary-hover);
    transform: translateY(-1px);
  }

  .btn-secondary {
    background-color: var(--bg-surface-elevated);
    color: var(--text-primary);
    border-color: var(--border-subtle);
  }

  .btn-secondary:hover {
    border-color: var(--border-strong);
    background-color: #232f46;
  }

  /* Hero */
  .hero {
    padding-block: clamp(3rem, 2rem + 5vw, 6.5rem);
    background:
      radial-gradient(circle at 20% 0%, rgba(2, 132, 199, 0.2), transparent 45%),
      radial-gradient(circle at 80% 20%, rgba(16, 185, 129, 0.12), transparent 40%);
  }

  .hero-layout {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 360px), 1fr));
    gap: clamp(2rem, 4vw, 4rem);
    align-items: center;
  }

  .live-kicker {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.35rem 0.85rem;
    border-radius: 999px;
    background: rgba(16, 185, 129, 0.14);
    border: 1px solid rgba(16, 185, 129, 0.45);
    color: #6ee7b7;
    font-size: 0.85rem;
    font-weight: 700;
    margin-block-end: 1.25rem;
  }

  .live-dot {
    inline-size: 8px;
    block-size: 8px;
    border-radius: 50%;
    background-color: var(--accent-emerald);
  }

  .hero-title {
    font-size: clamp(2rem, 1.35rem + 2.5vw, 3.6rem);
    line-height: 1.12;
    font-weight: 850;
    letter-spacing: -0.03em;
    margin-block-end: 1.25rem;
  }

  .hero-title-accent {
    color: var(--accent-primary);
  }

  .hero-subtitle {
    font-size: clamp(1.05rem, 0.95rem + 0.5vw, 1.25rem);
    color: var(--text-secondary);
    max-inline-size: 56ch;
    margin-block-end: 2rem;
  }

  .hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-block-end: 2rem;
  }

  /* 1-Command Installer Widget */
  .installer-box {
    background: var(--bg-surface);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-md);
    padding: 1rem 1.25rem;
    box-shadow: 0 20px 40px -20px rgba(0, 0, 0, 0.6);
  }

  .installer-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-block-end: 0.6rem;
    font-weight: 600;
  }

  .installer-cmd-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem;
    background: #05080f;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-subtle);
  }

  .installer-code {
    flex: 1 1 220px;
    min-inline-size: 0;
    overflow-x: auto;
    font-family: var(--font-mono);
    font-size: 0.92rem;
    color: #7dd3fc;
    white-space: nowrap;
  }

  .copy-btn {
    min-block-size: 40px;
    padding: 0.45rem 0.9rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-strong);
    background: rgba(56, 189, 248, 0.12);
    color: var(--text-primary);
    font-weight: 700;
    font-size: 0.85rem;
    cursor: pointer;
  }

  .copy-btn:hover {
    background: var(--accent-primary);
    color: var(--accent-on-primary);
  }

  /* Scoreboard Mockup Visual */
  .mockup-stage {
    background: linear-gradient(145deg, #111827, #0b1120);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    aspect-ratio: 16 / 10;
    display: grid;
    grid-template-rows: auto 1fr auto;
    gap: 1rem;
    box-shadow: 0 30px 60px -25px rgba(2, 132, 199, 0.25);
  }

  .mockup-scoreboard {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    justify-self: start;
    background: rgba(15, 23, 42, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 10px;
    padding: 0.5rem 0.9rem;
    font-weight: 800;
    font-size: 0.9rem;
  }

  .mockup-live-tag {
    background: var(--accent-live);
    color: #fff;
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    font-size: 0.72rem;
    letter-spacing: 0.04em;
  }

  .mockup-score-pill {
    background: #0284c7;
    color: #fff;
    padding: 0.2rem 0.6rem;
    border-radius: 6px;
    font-variant-numeric: tabular-nums;
  }

  .mockup-center {
    display: grid;
    place-items: center;
    text-align: center;
    color: var(--text-secondary);
    border: 1px dashed var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 1rem;
  }

  .mockup-metrics {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 0.5rem;
    font-size: 0.82rem;
    color: var(--text-muted);
  }

  /* Section Headings */
  .section-header {
    max-inline-size: 46rem;
    margin-block-end: 2.75rem;
  }

  .section-title {
    font-size: clamp(1.6rem, 1.25rem + 1.5vw, 2.45rem);
    line-height: 1.2;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-block-end: 0.75rem;
  }

  .section-desc {
    color: var(--text-secondary);
    font-size: 1.05rem;
  }

  /* Feature Cards with Subgrid */
  .feature-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    grid-row: span 3;
    display: grid;
    grid-template-rows: auto auto 1fr;
    grid-template-rows: subgrid;
    gap: 0.65rem;
  }

  .feature-icon {
    font-size: 1.75rem;
    line-height: 1;
  }

  .feature-title {
    font-size: 1.15rem;
    font-weight: 750;
  }

  .feature-text {
    color: var(--text-secondary);
    font-size: 0.96rem;
  }

  /* Comparison Table */
  .table-wrap {
    overflow-x: auto;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    background: var(--bg-surface);
  }

  .compare-table {
    inline-size: 100%;
    border-collapse: collapse;
    text-align: start;
  }

  .compare-table th,
  .compare-table td {
    padding: 1rem 1.25rem;
    border-block-end: 1px solid var(--border-subtle);
  }

  .compare-table thead th {
    background: var(--bg-surface-elevated);
    font-weight: 800;
    color: var(--text-primary);
  }

  .compare-table tbody tr:last-child th,
  .compare-table tbody tr:last-child td {
    border-block-end: none;
  }

  .badge-pro {
    display: inline-block;
    padding: 0.15rem 0.55rem;
    border-radius: 999px;
    background: rgba(56, 189, 248, 0.16);
    color: var(--accent-primary-hover);
    font-weight: 700;
    font-size: 0.82rem;
  }

  /* Footer */
  .site-footer {
    border-block-start: 1px solid var(--border-subtle);
    padding-block: 2.5rem;
    background: #060911;
  }

  .footer-inner {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 1.25rem;
    color: var(--text-muted);
    font-size: 0.92rem;
  }

  .footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 1.25rem;
    list-style: none;
    padding-inline-start: 0;
  }

  .footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
  }

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

@layer utilities {
  .visually-hidden {
    position: absolute !important;
    clip-path: inset(50%) !important;
    overflow: hidden !important;
    inline-size: 1px !important;
    block-size: 1px !important;
    margin: -1px !important;
    padding: 0 !important;
    border: 0 !important;
    white-space: nowrap !important;
  }
}

@media (forced-colors: active) {
  .btn,
  .feature-card,
  .installer-box,
  .mockup-stage,
  .table-wrap {
    border: 1px solid CanvasText;
  }

  .live-dot {
    background-color: Highlight;
  }
}