/* ═══════════════════════════════════════════════════════
   PR0SINT — Style Guide (page-specific styles)
   Design Tokens: css/style.css
   ═══════════════════════════════════════════════════════ */

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}

  html { overflow-x: hidden; scroll-behavior: smooth; }
  html, body {
    min-height: 100%;
    background: var(--bg);
    color: var(--text);
    font-family: 'Poppins', sans-serif;
    font-weight: 300;
    -webkit-font-smoothing: antialiased;
  }

  /* ═══ LAYOUT ═══ */
  .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
  }

  /* ═══ HEADER ═══ */
  header {
    padding: 24px 0;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
  .logo-link {
    display: flex;
    align-items: center;
    transition: opacity 0.3s ease;
  }
  @media (hover: hover) {
    .logo-link:hover { opacity: 0.7; }
  }
  .logo-link img { height: 22px; width: auto; }
  .back-link {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-dim);
    text-decoration: none;
    transition: color 0.15s ease;
  }
  @media (hover: hover) {
    .back-link:hover { color: var(--brand); }
  }

  /* ═══ HERO ═══ */
  .hero {
    padding: 80px 0 48px;
    border-bottom: 1px solid var(--border);
  }
  .hero-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    font-weight: 400;
    color: var(--text-micro);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 16px;
  }
  .hero h1 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
  }
  .hero h1 .dot { color: var(--accent-yellow); }
  .hero p {
    font-size: 1.1rem;
    color: var(--text-dim);
    max-width: 600px;
    line-height: 1.6;
  }

  /* ═══ SECTIONS ═══ */
  .section {
    padding: 48px 0;
    border-bottom: 1px solid var(--border);
  }
  .section-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.65rem;
    font-weight: 400;
    color: var(--text-micro);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 24px;
  }
  .section-label .num { color: var(--brand); }

  .section-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 8px;
  }
  .section-desc {
    font-size: 0.9rem;
    color: var(--text-dim);
    margin-bottom: 32px;
    max-width: 600px;
  }

  /* ═══ GRID ═══ */
  .grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
  .grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }

  @media (max-width: 768px) {
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
    .hero h1 { font-size: 2.5rem; }
  }

  /* ═══ CARDS ═══ */
  .card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 0;
    padding: 24px;
  }
  .card h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-micro);
    margin-bottom: 16px;
  }

  /* ═══ COLORS ═══ */
  .color-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 16px;
  }
  .color-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 0;
    overflow: hidden;
  }
  .color-swatch {
    height: 80px;
    display: flex;
    align-items: flex-end;
    justify-content: flex-end;
    padding: 8px;
  }
  .color-swatch-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.65rem;
    padding: 2px 6px;
    background: rgba(0,0,0,0.5);
    color: #fff;
  }
  .color-info {
    padding: 12px;
  }
  .color-name {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 2px;
  }
  .color-hex {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    color: var(--text-micro);
  }

  /* ═══ TYPOGRAPHY ═══ */
  .type-sample {
    padding: 24px 0;
    border-bottom: 1px solid var(--border);
  }
  .type-sample:last-child { border-bottom: none; }
  .type-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.65rem;
    color: var(--text-micro);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 8px;
  }
  .type-meta {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.65rem;
    color: var(--text-micro);
    margin-top: 8px;
  }

  /* ═══ BUTTONS ═══ */
  .btn {
    display: inline-flex;
    align-items: center;
    padding: 12px 24px;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 500;
    font-size: 0.9rem;
    border: 2px solid;
    border-radius: 0;
    cursor: pointer;
    transition: background-color 0.15s ease-out, color 0.15s ease-out, box-shadow 0.15s ease-out;
    text-decoration: none;
  }
  .btn-primary {
    background: var(--brand-deep);
    color: #fff;
    border-color: var(--brand-deep);
  }
  @media (hover: hover) {
    .btn-primary:hover {
      background: var(--text);
      color: var(--bg);
      border-color: var(--text);
    }
  }
  .btn-accent {
    background: var(--accent-yellow);
    color: var(--text);
    border-color: var(--accent-yellow);
  }
  @media (hover: hover) {
    .btn-accent:hover {
      background: var(--accent-magenta);
      color: var(--text);
      border-color: var(--accent-magenta);
    }
  }
  .btn-outline {
    background: transparent;
    color: var(--text);
    border-color: var(--text);
  }
  @media (hover: hover) {
    .btn-outline:hover {
      background: var(--text);
      color: var(--bg);
    }
  }
  .btn-ghost {
    background: transparent;
    color: var(--brand);
    border-color: transparent;
  }
  @media (hover: hover) {
    .btn-ghost:hover {
      background: var(--surface);
      border-color: var(--border);
    }
  }
  .btn:active {
    transform: scale(0.97);
    opacity: 0.9;
  }

  /* ═══ BADGES ═══ */
  .badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    border-radius: 9999px;
  }
  .badge-blue { background: var(--brand-deep); color: #fff; }
  .badge-yellow { background: var(--accent-yellow); color: var(--text); }
  .badge-magenta { background: var(--accent-magenta); color: var(--text); }
  .badge-green { background: var(--success); color: var(--text); }
  .badge-outline { background: transparent; color: var(--text); border: 1px solid var(--border-strong); }

  /* ═══ INPUTS ═══ */
  .input {
    display: block;
    width: 100%;
    padding: 12px 16px;
    font-family: 'Poppins', sans-serif;
    font-size: 0.9rem;
    font-weight: 300;
    background: var(--surface);
    border: 1px solid var(--border-strong);
    border-radius: 0;
    color: var(--text);
    transition: border-color 0.15s ease;
  }
  .input:focus {
    outline: none;
    border-color: var(--accent-yellow);
  }
  .input::placeholder { color: var(--text-micro); }

  /* ═══ SHAPES ═══ */
  .shape-demo {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
  }
  .shape-demo:last-child { margin-bottom: 0; }
  .shape-box {
    width: 64px;
    height: 64px;
    flex-shrink: 0;
  }
  .shape-info {
    font-size: 0.8rem;
  }
  .shape-info strong {
    display: block;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    margin-bottom: 2px;
  }
  .shape-info span { color: var(--text-dim); }

  /* ═══ EFFECTS ═══ */
  .effect-demo {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
  }
  .effect-box {
    width: 120px;
    height: 80px;
    background: var(--surface);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.65rem;
    color: var(--text-dim);
    transition: transform 0.15s ease-out, box-shadow 0.15s ease-out;
  }
  @media (hover: hover) {
    .effect-box:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 30px rgba(0,0,0,0.07);
    }
  }
  .effect-box:active {
    transform: scale(0.97);
    opacity: 0.9;
  }
  .effect-box.effect-focus:focus {
    outline: 2px solid var(--accent-yellow);
    outline-offset: 2px;
  }

  /* ═══ SPACING ═══ */
  .spacing-demo {
    display: flex;
    align-items: flex-end;
    gap: 16px;
    flex-wrap: wrap;
  }
  .spacing-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
  }
  .spacing-bar {
    background: var(--brand);
    width: 32px;
  }
  .spacing-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.6rem;
    color: var(--text-micro);
    text-align: center;
  }

  /* ═══ DO/DONT ═══ */
  .rules-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }
  @media (max-width: 768px) {
    .rules-grid { grid-template-columns: 1fr; }
  }
  .rule-card {
    padding: 24px;
    border: 1px solid var(--border);
  }
  .rule-card.do { border-left: 3px solid var(--success); }
  .rule-card.dont { border-left: 3px solid var(--accent-magenta); }
  .rule-card h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 12px;
  }
  .rule-card.do h3 { color: var(--success); }
  .rule-card.dont h3 { color: var(--accent-magenta); }
  .rule-card ul {
    list-style: none;
    padding: 0;
  }
  .rule-card li {
    font-size: 0.8rem;
    color: var(--text-dim);
    padding: 4px 0;
    padding-left: 16px;
    position: relative;
  }
  .rule-card li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
  }
  .rule-card.do li::before { background: var(--success); }
  .rule-card.dont li::before { background: var(--accent-magenta); }

  /* ═══ COMPONENT DEMO ═══ */
  .component-demo {
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 32px;
    margin-bottom: 16px;
  }
  .component-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.6rem;
    color: var(--text-micro);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 16px;
  }

  /* ═══ FOOTER ═══ */
  footer {
    padding: 32px 0;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  .footer-copy {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    color: var(--text-micro);
  }
  .footer-link {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-dim);
    text-decoration: none;
    transition: color 0.15s ease;
  }
  @media (hover: hover) {
    .footer-link:hover { color: var(--brand); }
  }

  /* ═══ SCROLL REVEAL ═══ */
  .reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
  }
  .reveal.visible {
    opacity: 1;
    transform: translateY(0);
  }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}