/* ==========================================================
 *  The Cube Urban — estilos comunes de faq.html, faq_en.html, faq_fr.html
 *  Se carga ANTES del <style> de cada página, así que
 *  cualquier regla que siga dentro de la página sigue mandando.
 *  ========================================================== */


    :root {
      --black: #0a0a0a;
      --dark: #111111;
      --card: #161616;
      --border: rgba(255,255,255,0.08);
      --teal: #3f6e76;
      --teal-light: #5a9aa4;
      --white: #f5f3ee;
      --muted: rgba(245,243,238,0.62);
    }
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; }
    body { background: var(--black); color: var(--white); font-family: 'DM Sans', sans-serif; font-weight: 300; line-height: 1.65; overflow-x: hidden; min-height: 100vh; display: flex; flex-direction: column; }
    body::before { content: ''; position: fixed; inset: 0; background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E"); pointer-events: none; z-index: 9999; opacity: 0.35; }
    a { color: inherit; text-decoration: none; }

    nav { position: sticky; top: 0; z-index: 100; display: flex; align-items: center; justify-content: space-between; padding: 1.2rem 4rem; background: rgba(10,10,10,0.92); backdrop-filter: blur(16px); border-bottom: 1px solid var(--border); }
    .nav-logo img { height: 56px; width: auto; mix-blend-mode: screen; filter: brightness(1.15); }
    .nav-back { font-size: 0.82rem; letter-spacing: 0.15em; text-transform: uppercase; opacity: 0.75; transition: opacity 0.2s, color 0.2s; }
    .nav-back:hover { opacity: 1; color: var(--teal-light); }
    .nav-right { display: flex; align-items: center; gap: 2rem; }
    .nav-lang { font-size: 1.2rem; text-decoration: none; transition: transform 0.2s; }
    .nav-lang:hover { transform: scale(1.15); }
    .nav-langs { display: flex; gap: 0.6rem; align-items: center; }

    main { flex: 1; padding: 6rem 4rem 6rem; max-width: 900px; width: 100%; margin: 0 auto; }
    .section-label { font-size: 0.82rem; letter-spacing: 0.25em; text-transform: uppercase; color: var(--teal-light); margin-bottom: 1rem; display: flex; align-items: center; gap: 1rem; }
    .section-label::before { content: ''; display: block; width: 32px; height: 1px; background: var(--teal); }
    h1 { font-family: 'Bebas Neue', sans-serif; font-size: clamp(2.8rem, 5vw, 5rem); line-height: 1; letter-spacing: 0.02em; margin-bottom: 1.5rem; }
    h1 span { color: var(--teal-light); }
    .lead { font-size: 1.05rem; color: var(--muted); max-width: 720px; margin-bottom: 3.5rem; }

    .faq-grid { display: flex; flex-direction: column; gap: 1px; background: var(--border); border: 1px solid var(--border); }
    .faq-item { background: var(--card); padding: 1.8rem 2rem; cursor: pointer; transition: background 0.2s; }
    .faq-item:hover { background: #1c1c1c; }