/* =========================
   Tablet (≤ 1024px)
   ========================= */
@media (max-width: 1024px) {
  :root {
    --section-pad: 90px;
  }

  .container { padding: 0 20px; }

  .primary-nav ul { gap: 2px; }
  .primary-nav a { padding: 8px 10px; font-size: 14px; }
  .primary-nav .nav-cta a { padding: 9px 14px; }
  .primary-nav .nav-divider { margin: 0 4px; height: 16px; }

  .purpose-grid { grid-template-columns: repeat(2, 1fr); }
  .stepper ol { grid-template-columns: repeat(3, 1fr); }
  .stepper li:nth-child(3)::after,
  .stepper li:last-child::after { display: none; }

  .awards-grid { grid-template-columns: repeat(2, 1fr); }

  .apply-steps { grid-template-columns: 1fr; }
  .download-grid { grid-template-columns: repeat(2, 1fr); }

  .gallery-grid { grid-template-columns: repeat(2, 1fr); }

  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-links { grid-column: span 2; }

  .sub-cta { padding: 36px 28px; flex-direction: column; align-items: flex-start; text-align: left; }

  /* Hero — stack content and poster vertically on tablet/mobile */
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 48px;
    align-items: start;
  }
  .hero-poster img {
    max-width: 410px;
  }

  .definition-card {
    grid-template-columns: 1fr;
    gap: 14px;
    padding: 32px 28px;
  }
  .def-mark { font-size: 72px; line-height: 0.6; }
}

/* =========================
   Mobile (≤ 768px)
   ========================= */
@media (max-width: 768px) {
  :root {
    --section-pad: 64px;
    --header-h: 60px;
  }

  body { font-size: 15px; }

  .container { padding: 0 18px; }

  /* Header */
  .nav-toggle { display: flex; }
  .primary-nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    background: rgba(254,253,251,0.96);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 18px 18px 22px;
    transform: translateY(-110%);
    transition: transform var(--t-base) var(--ease-out);
    box-shadow: var(--shadow-md);
  }
  .primary-nav.is-open { transform: translateY(0); }
  .primary-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }
  .primary-nav a {
    display: block;
    padding: 14px 16px;
    border-radius: 12px;
    font-size: 15px;
  }
  .primary-nav .nav-cta { margin-top: 8px; }
  .primary-nav .nav-cta a {
    margin-left: 0;
    text-align: center;
    padding: 14px 16px;
  }

  /* Mobile: divider becomes a horizontal line spanning the column */
  .primary-nav .nav-divider {
    width: 100%;
    height: 1px;
    margin: 8px 0;
  }

  /* Hero */
  .hero { min-height: auto; padding-top: calc(var(--header-h) + 40px); padding-bottom: 80px; }
  .hero-inner { min-height: auto; gap: 32px; }
  .hero-content { gap: 22px; }
  .hero-poster img { max-width: 330px; }
  .dday-card { padding: 16px 20px; }
  .dday-value { font-size: 40px; }
  .hero-orgs { gap: 12px; }
  .orgs-list { gap: 14px; }
  .scroll-cue { display: none; }

  /* Sections */
  .section-head { margin-bottom: 40px; gap: 10px; }

  /* About */
  .purpose-grid { grid-template-columns: 1fr; gap: 14px; margin-bottom: 50px; }
  .purpose-card { padding: 26px 22px; }
  .stepper { padding: 20px; }
  .stepper ol { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .stepper li::after { display: none !important; }

  /* Schedule */
  .timeline { padding-left: 16px; }
  .timeline-item {
    grid-template-columns: 1fr;
    gap: 6px;
    padding: 12px 0 22px 22px;
  }
  .timeline-item::before { left: -7px; top: 18px; }

  /* Awards */
  .awards-grid { grid-template-columns: 1fr; }
  .award-grand { grid-column: auto; padding: 36px 24px; }

  /* Sub: Evaluation */
  .eval-tab { padding: 9px 16px; font-size: 13.5px; }
  .eval-list li { padding: 18px 18px; }

  /* Apply */
  .download-grid { grid-template-columns: 1fr; }
  .apply-email { flex-direction: column; align-items: flex-start; gap: 10px; }
  .apply-email small { margin-left: 0; }
  .faq-link { padding: 18px 20px; }
  .faq-link span { font-size: 13px; }

  /* Sub: Gallery */
  .gallery-grid { grid-template-columns: 1fr; }

  /* Sub hero */
  .sub-hero { padding: calc(var(--header-h) + 50px) 0 50px; }

  /* Contact */
  .contact-form { padding: 24px; }

  /* Footer */
  .footer-inner { grid-template-columns: 1fr; gap: 24px; }
  .footer-links { grid-column: auto; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 10px; }

  /* Sub CTA */
  .sub-cta { margin: 60px 0; padding: 28px 22px; }
  .sub-cta-text h2 { font-size: 22px; }

  /* Definition card */
  .definition-card { padding: 26px 22px; gap: 10px; }
  .def-mark { font-size: 60px; }
  .def-title { font-size: 22px; }
  .def-body { font-size: 15px; }
}

/* =========================
   Small mobile (≤ 480px)
   ========================= */
@media (max-width: 480px) {
  .hero-title { font-size: 36px; }
  .sub-hero-title { font-size: 30px; }
  .btn { padding: 12px 20px; font-size: 14px; width: 100%; }
  .hero-ctas { flex-direction: column; align-self: stretch; }
}

/* =========================
   Motion preference
   ========================= */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}