/* ============================================================
   RESPONSIVE — LIZ COMPOSTO
   ============================================================ */

/* ── Tablet: ≤ 1024px ────────────────────────────────────── */
@media (max-width: 1024px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }
  .hero-left {
    max-width: 100%;
    border-right: none;
    border-bottom: 1px solid var(--rule);
    padding: 5rem var(--gutter) 3.5rem;
  }
  .hero-right {
    min-height: 420px;
  }

  .cb-layout {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .logbook-layout {
    grid-template-columns: 1fr;
    gap: 3.5rem;
  }
  .book-mockup { width: 200px; }

  .about-layout {
    grid-template-columns: 1fr;
    gap: 3.5rem;
  }

  .footer-top {
    flex-direction: column;
    gap: 2.5rem;
  }
}

/* ── Mobile: ≤ 680px ─────────────────────────────────────── */
@media (max-width: 680px) {
  :root {
    --gutter: 1.25rem;
  }

  /* Header */
  .header-inner {
    height: 56px;
    align-items: center;
    padding-bottom: 0;
  }

  /* Smaller logo on mobile */
  .site-logo {
    height: 52px;
  }

  /* Hide desktop nav, show hamburger */
  .main-nav {
    display: none;
    position: fixed;
    top: 56px;
    left: 0;
    width: 100%;
    background: var(--ink);
    border-top: 1px solid var(--rule-dark);
    padding: 1.5rem var(--gutter) 2rem;
    z-index: 199;
  }
  .main-nav.is-open {
    display: block;
  }
  .main-nav ul {
    flex-direction: column;
    gap: 0;
    height: auto;
    align-items: flex-start;
  }
  .main-nav ul li {
    width: 100%;
    border-bottom: 1px solid var(--rule-dark);
  }
  .main-nav ul li:last-child {
    border-bottom: none;
    padding-top: 1.25rem;
  }
  .main-nav a {
    display: block;
    padding: 1rem 0;
    font-size: 0.8rem;
  }
  .nav-cta {
    display: inline-block !important;
    width: 100%;
    text-align: center;
    padding: 0.75rem 1rem !important;
  }

  /* Hamburger button */
  .nav-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 32px;
    height: 32px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 201;
  }
  .nav-toggle span {
    display: block;
    width: 22px;
    height: 1.5px;
    background: var(--chalk);
    border-radius: 2px;
    transition: transform 0.25s ease, opacity 0.25s ease;
    transform-origin: center;
  }
  /* Animate to X when open */
  .nav-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(6.5px) rotate(45deg);
  }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
  }
  .nav-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-6.5px) rotate(-45deg);
  }

  /* Hero */
  .hero {
    padding-top: 56px;
  }
  .hero-left {
    padding: 4.5rem 1.25rem 3rem;
  }
  .hero-right { min-height: 280px; }
  .hero-actions { flex-direction: column; }
  .btn { text-align: center; }

  .cb-stat-row { grid-template-columns: repeat(3, 1fr); }
  .logbook-specs { flex-wrap: wrap; gap: 1.25rem; }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  .footer-bottom-links {
    justify-content: center;
  }
}