/* ============================================
   THE BASE BOOKS — RESPONSIVE STYLESHEET
   responsive.css
   ============================================ */

/* ============ TABLET (max 1024px) ============ */
@media (max-width: 1024px) {
  :root {
    --container-pad: 36px;
    --section-gap: 90px;
  }

  .hero-content {
    gap: 48px;
  }

  .hero-headline {
    font-size: clamp(2.6rem, 5vw, 4rem);
  }

  .philosophy-grid {
    gap: 48px;
  }

  .featured-book-inner {
    padding: 60px;
    gap: 48px;
  }

  .values-grid {
    gap: 20px;
  }

  .value-card {
    padding: 36px 28px;
  }

  .newsletter-inner {
    padding: 60px;
    gap: 40px;
  }

  .footer-grid {
    gap: 40px;
  }

  .visitor-form-inner {
    gap: 48px;
  }

  .contact-grid {
    gap: 48px;
  }

  .book-library-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ============ SMALL TABLET / LARGE MOBILE (max 768px) ============ */
@media (max-width: 768px) {
  :root {
    --container-pad: 24px;
    --section-gap: 72px;
  }

  /* Navigation */
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--bg);
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    gap: 32px;
    padding: 80px 40px;
    border-left: 1px solid var(--border);
    transition: right 0.4s cubic-bezier(0.22, 1, 0.36, 1);
    z-index: 99;
  }

  .nav-links.open {
    right: 0;
    box-shadow: -20px 0 60px rgba(30,30,30,0.12);
  }

  .nav-link {
    font-size: 1rem;
  }

  .nav-subscribe {
    display: none;
  }

  .nav-toggle {
    display: flex;
    z-index: 100;
    position: relative;
  }

  /* Overlay when menu open */
  .nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(30,30,30,0.4);
    z-index: 88;
  }

  .nav-overlay.open {
    display: block;
  }

  /* Hero */
  .hero-content {
    grid-template-columns: 1fr;
    gap: 48px;
    text-align: center;
  }

  .hero-text {
    order: 1;
  }

  .hero-illustration {
    order: 0;
  }

  .hero-subheading {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-svg {
    max-width: 300px;
    margin: 0 auto;
  }

  /* Philosophy */
  .philosophy-grid {
    grid-template-columns: 1fr;
    gap: 48px;
    text-align: center;
  }

  .philosophy-illustration {
    order: -1;
  }

  .section-body {
    margin: 0 auto;
  }

  /* Featured Book */
  .featured-book-inner {
    grid-template-columns: 1fr;
    padding: 48px 36px;
    gap: 36px;
    text-align: center;
  }

  .book-info .section-body {
    margin: 0 auto 28px;
  }

  /* Values */
  .values-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  /* Journal Grid */
  .journal-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .journal-full-grid .journal-grid {
    grid-template-columns: 1fr;
  }

  /* Newsletter */
  .newsletter-inner {
    grid-template-columns: 1fr;
    gap: 36px;
    padding: 48px 36px;
    text-align: center;
  }

  .newsletter-illustration {
    display: none;
  }

  .newsletter-desc {
    margin: 0 auto;
  }

  .form-group {
    flex-direction: column;
    gap: 12px;
  }

  .form-group .form-input {
    border-radius: 50px;
    border-right: 1.5px solid rgba(250,248,244,0.15);
  }

  .form-group .btn {
    border-radius: 50px;
  }

  /* Visitor Form */
  .visitor-form-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  /* Footer */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  /* About page */
  .about-story-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .about-story-photo {
    height: 280px;
  }

  /* Photo banner */
  .photo-banner-frame {
    height: 240px;
  }

  /* Contact page */
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  /* Book library */
  .book-library-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px 20px;
  }

  /* Notify modal */
  .notify-modal {
    padding: 40px 24px;
  }

  /* Back to top */
  .back-to-top {
    bottom: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
  }

  /* Launch banner */
  .launch-banner {
    font-size: 0.72rem;
    padding: 10px 40px;
  }

  /* Page heros */
  .page-hero,
  .books-hero,
  .journal-hero,
  .contact-hero {
    padding: 80px 0 48px;
  }
}

/* ============ MOBILE (max 480px) ============ */
@media (max-width: 480px) {
  :root {
    --container-pad: 20px;
    --section-gap: 60px;
  }

  .hero {
    padding: 48px 0 40px;
    min-height: auto;
  }

  .hero-headline {
    font-size: 2.6rem;
  }

  .hero-subheading {
    font-size: 0.95rem;
  }

  .main-quote {
    font-size: 1.5rem;
  }

  .section-heading {
    font-size: 1.8rem;
  }

  .featured-book-inner {
    padding: 36px 24px;
  }

  .value-card {
    padding: 32px 24px;
  }

  .newsletter-inner {
    padding: 40px 24px;
  }

  .journal-card-inner {
    padding: 28px 24px;
  }

  .nav-container {
    padding: 0 20px;
  }

  .scroll-indicator {
    display: none;
  }
}

/* ============ FOCUS STYLES (Accessibility) ============ */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--accent-gold);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ============ REDUCED MOTION ============ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .scroll-line {
    animation: none;
  }

  .reveal-up,
  .reveal-fade {
    opacity: 1 !important;
    transform: none !important;
  }
}