/* ========== CSS Variables (Light / Dark) ========== */
    :root {
      --bg: #f4f6f8;
      --surface: #ffffff;
      --text: #1a1a1a;
      --text-muted: #555;
      --border: #e0e0e0;
      --shadow: 0 4px 12px rgba(0,0,0,0.08);
      --shadow-hover: 0 8px 24px rgba(0,0,0,0.12);
      --accent: #e53935;
      --card-radius: 12px;
      --transition: 0.25s ease;
    }

    [data-theme="dark"] {
      --bg: #121212;
      --surface: #1e1e1e;
      --text: #f0f0f0;
      --text-muted: #aaa;
      --border: #333;
      --shadow: 0 4px 12px rgba(0,0,0,0.4);
      --shadow-hover: 0 8px 24px rgba(0,0,0,0.5);
      --accent: #ef5350;
    }

    /* ========== Base ========== */
    *, *::before, *::after { box-sizing: border-box; }

    body {
      margin: 0;
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      background: var(--bg);
      color: var(--text);
      line-height: 1.6;
      transition: background var(--transition), color var(--transition);
    }

    a {
      color: var(--accent);
      text-decoration: none;
    }

    a:hover {
      text-decoration: underline;
    }

    img {
      max-width: 100%;
      height: auto;
      display: block;
    }

    hr {
      border: none;
      border-top: 1px solid var(--border);
      margin: 2.5rem 0;
    }

    /* ========== Header / Theme Toggle ========== */
 .page-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0.5rem 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: var(--shadow);
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: inherit;
  text-decoration: none;
}

.header-logo {
  height: 40px;          /* adjust if you want bigger/smaller */
  width: auto;
  border-radius: 6px;
  object-fit: contain;
}

.header-title {
  font-size: 1.2rem;
  font-weight: 700;
}

    /* ========== Content ========== */
    .content {
      max-width: 720px;
      margin: 0 auto;
      padding: 1.5rem 1rem 3rem;
    }

    .page-title {
      text-align: center;
      font-size: clamp(1.6rem, 5vw, 2.2rem);
      font-weight: 700;
      margin: 0 0 1.5rem;
    }

    .hero-image {
      width: 100%;
      border-radius: var(--card-radius);
      box-shadow: var(--shadow);
      margin-bottom: 1.5rem;
    }

    .intro {
      font-size: 1.05rem;
      color: var(--text);
      margin-bottom: 2rem;
    }

    .section-heading {
      font-size: 1.35rem;
      font-weight: 700;
      margin: 2rem 0 1rem;
      padding-bottom: 0.4rem;
      border-bottom: 2px solid var(--accent);
    }

    .section-title {
      text-align: center;
      margin: 0 0 1.5rem;
      font-size: clamp(1.4rem, 4vw, 1.9rem);
      font-weight: 700;
      color: var(--text);
    }

    /* Crazy list */
    .crazy-list {
      list-style: none;
      padding: 0;
      margin: 0 0 1.5rem;
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: var(--card-radius);
      box-shadow: var(--shadow);
      overflow: hidden;
    }

    .crazy-list li {
      padding: 0.7rem 1rem;
      border-bottom: 1px solid var(--border);
      font-size: 0.98rem;
    }

    .crazy-list li:last-child {
      border-bottom: none;
    }

    .crazy-list li:nth-child(even) {
      background: color-mix(in srgb, var(--bg) 70%, transparent);
    }

    /* FAQ */
    .faq-item {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: var(--card-radius);
      padding: 1rem 1.15rem;
      margin-bottom: 0.85rem;
      box-shadow: var(--shadow);
    }

    .faq-question {
      font-weight: 700;
      font-size: 1.05rem;
      margin: 0 0 0.4rem;
      color: var(--text);
    }

    .faq-answer {
      margin: 0;
      color: var(--text-muted);
      font-size: 0.98rem;
    }

    .faq-answer a {
      word-break: break-word;
    }

    /* Footer */
    .footer {
      text-align: center;
      padding: 1.5rem 1rem 2.5rem;
      color: var(--text-muted);
      font-size: 0.9rem;
    }