/* ============================================================
   REDPULSE FOUNDATION — RESPONSIVE OVERRIDES
   ============================================================ */

/* ── Breakpoints:
   xs: <480px  |  sm: <640px  |  md: <768px
   lg: <992px  |  xl: <1200px
   ─────────────────────────────────────────────────────────── */

/* ── Global Fluid Padding ─────────────────────────────────── */
@media (max-width: 992px) {
  .section-wrap { padding: 72px 0; }
  .hero-stats   { gap: 1.5rem; }
}

@media (max-width: 768px) {
  .section-wrap { padding: 56px 0; }
  .section-title { font-size: clamp(1.6rem, 5vw, 2.2rem); }
  .display-xl   { font-size: clamp(2.4rem, 9vw, 4rem); }

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

  .hero-stats   { gap: 1.2rem; }
  .hero-stat-divider { display: none; }

  .gallery-masonry {
    columns: 2;
    gap: 10px;
  }

  /* About grid collapses */
  .about-img-grid {
    max-width: 320px;
    margin: 0 auto;
  }

  /* Events */
  .events-filter { flex-wrap: wrap; }

  /* Donor list */
  .donor-grid { grid-template-columns: repeat(2, 1fr); }
  .filter-sidebar { display: none; }
  .filter-mobile-toggle { display: flex; }
}

@media (max-width: 640px) {
  .section-wrap { padding: 44px 0; }

  .gallery-masonry { columns: 1; }

  .hero-cta { flex-direction: column; }
  .hero-cta .btn-red,
  .hero-cta .btn-ghost { width: 100%; justify-content: center; }

  .blood-group-grid { grid-template-columns: repeat(4, 1fr); }

  /* Ticker smaller */
  .ticker-inner span { font-size: 0.68rem; padding: 0 1rem; }

  /* Donor card preview */
  #donor-card-preview { max-width: 300px; }

  /* Stats section */
  .stats-grid { grid-template-columns: 1fr 1fr; }

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

@media (max-width: 480px) {
  .donor-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .social-login { grid-template-columns: 1fr; }

  .blood-group-grid { grid-template-columns: repeat(4, 1fr); gap: 5px; }
  .blood-chip { padding: 8px 4px; font-size: 0.82rem; }

  .form-card { padding: 24px 16px; }

  .nav-links { display: none; }
  .hamburger { display: flex; }

  .university-grid { grid-template-columns: 1fr 1fr; }
}

/* ── Navbar Responsive ────────────────────────────────────── */
@media (max-width: 900px) {
  .nav-links { display: none !important; }
  .hamburger { display: flex !important; }
  .nav-cta-desktop { display: none !important; }
}

/* ── How It Works Steps ───────────────────────────────────── */
@media (max-width: 768px) {
  .steps-row {
    flex-direction: column;
    align-items: center;
  }
  .step-connector { display: none; }
}

/* ── University Carousel ──────────────────────────────────── */
@media (max-width: 640px) {
  .uni-carousel-track { gap: 12px; }
  .uni-card { min-width: 140px; padding: 16px 10px; }
}

/* ── Gallery Lightbox ─────────────────────────────────────── */
@media (max-width: 640px) {
  .lightbox-img { max-height: 70vh; }
  .lightbox-nav { padding: 0 12px; }
}

/* ── Profile Page ─────────────────────────────────────────── */
@media (max-width: 768px) {
  .profile-header-layout {
    flex-direction: column;
    text-align: center;
  }
  .profile-header-layout .profile-info { align-items: center; }
  .profile-stats-row { justify-content: center; }
  .profile-actions { justify-content: center; }
}

/* ── Moderator Dashboard ──────────────────────────────────── */
@media (max-width: 900px) {
  .dash-sidebar { transform: translateX(-100%); }
  .dash-sidebar.open { transform: translateX(0); }
  .dash-main { margin-left: 0; }
}

/* ── Touch Optimisations ──────────────────────────────────── */
@media (hover: none) {
  .btn-red:hover,
  .btn-ghost:hover { transform: none; }

  .gallery-item .overlay { opacity: 0.4; }
  .donor-card:hover { transform: none; }
}

/* ── Print ────────────────────────────────────────────────── */
@media print {
  #navbar, .mobile-menu, .ticker,
  .dash-sidebar, .dash-topbar { display: none !important; }
  body { background: #fff !important; color: #000 !important; }
}