/* =============================================================
   RESPONSIVE.CSS - Mobile-First Overhaul (Navy & Gold)
   ============================================================= */

@media (max-width: 768px) {
  :root {
    --nav-height: 64px;
    --space-16: 3rem;
    --space-20: 3.5rem;
    --space-24: 4rem;
    
    --text-hero: 2.75rem;
    --text-5xl: 2.25rem;
    --text-4xl: 1.85rem;
    --text-xl: 1rem;
  }

  /* Navigation */
  .navbar__toggle {
    display: flex;
    border-color: var(--border-glass);
  }

  .navbar__menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: #020412; /* Deeper navy */
    flex-direction: column;
    align-items: center;
    justify-content: flex-start; /* Start from top */
    padding: var(--space-24) var(--space-6) var(--space-12);
    gap: var(--space-2);
    transform: translateX(100%); /* Slide from right instead of top */
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1000;
    overflow-y: auto; /* Allow scrolling if many links */
  }

  .navbar__menu.open {
    transform: translateX(0);
  }

  .navbar__link {
    font-size: var(--text-lg); /* Slightly smaller for mobile */
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--text-primary);
    width: 100%;
    text-align: center;
    padding: var(--space-3);
    border-bottom: 1px solid rgba(255,255,255,0.05);
  }

  .navbar__link.active {
    color: var(--color-gold-vivid);
    background: rgba(212, 175, 55, 0.05);
    border-bottom-color: var(--color-gold-vivid);
  }

  .navbar__link.active::after {
    bottom: 5px;
  }

  .navbar__actions {
    position: relative;
    z-index: 1001;
  }

  /* Grids - Add breathing room */
  .grid--2, .grid--3, .grid--4, .grid--media, .grid--stats {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  /* Section Spacing */
  .section {
    padding: var(--space-16) 0;
  }

  .section-header {
    margin-bottom: var(--space-10);
    padding: 0 var(--space-4);
  }

  .section-header__title {
    font-size: var(--text-3xl);
  }

  /* Hero Redesign for Mobile */
  .hero {
    min-height: 85vh;
    padding-top: var(--nav-height);
  }

  .hero__title {
    font-size: var(--text-4xl);
    margin-bottom: var(--space-4);
  }

  .hero__tagline {
    font-size: var(--text-xs);
    letter-spacing: 4px;
    margin-bottom: var(--space-8);
  }

  .hero__actions {
    flex-direction: column;
    gap: var(--space-4);
    width: 100%;
    max-width: 320px;
    margin: 0 auto;
  }

  .btn--lg {
    width: 100%;
    padding: var(--space-4);
  }

  /* Leadership mobile */
  .leadership-card {
    flex-direction: column;
    text-align: center;
    padding: var(--space-6);
  }

  .leadership-card__img-wrapper {
    width: 140px;
    height: 140px;
    margin: 0 auto var(--space-6);
  }

  /* Admin mobile */
  .admin-layout {
    flex-direction: column;
  }

  .admin-sidebar {
    position: fixed;
    top: var(--nav-height);
    left: -100%;
    width: 100%;
    height: calc(100vh - var(--nav-height));
    transition: left 0.4s ease;
  }

  .admin-sidebar.open {
    left: 0;
  }

  .admin-main {
    padding: var(--space-6);
  }

  /* Contact Page Mobile Adjustments */
  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .contact-map iframe {
    min-height: 250px !important; /* Reduced vertical size for mobile */
    aspect-ratio: 16/9;
  }
}

/* ─── Tablet: 768px-1024px ─── */
@media (min-width: 769px) and (max-width: 1024px) {
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .grid--media { grid-template-columns: repeat(2, 1fr); }
  
  .hero__title { font-size: var(--text-5xl); }
}

/* ─── Printed ─── */
@media print {
  body { background: white !important; color: black !important; }
  .navbar, .footer, .btn, .orb, .hero__scroller, .theme-toggle { display: none !important; }
  .glass-card { background: white !important; border: 1px solid #ccc !important; box-shadow: none !important; }
}


/* --- Faculty Mobile Fixes --- */
@media (max-width: 768px) {
  .faculty-filter {
    width: 100%;
    justify-content: flex-start;
    overflow-x: auto;
    white-space: nowrap;
    padding: 8px var(--space-4);
    border-radius: 0;
    scrollbar-width: none;
    -ms-overflow-style: none;
    border-left: none;
    border-right: none;
    mask-image: linear-gradient(to right, black 85%, transparent 100%);
    -webkit-mask-image: linear-gradient(to right, black 85%, transparent 100%);
  }

  .faculty-filter::-webkit-scrollbar {
    display: none;
  }

  .faculty-filter__btn {
    padding: 8px 16px;
    flex-shrink: 0;
  }

  .page-header {
    text-align: center !important;
    padding-left: var(--space-4);
    padding-right: var(--space-4);
  }

  .page-header__title {
    font-size: 2rem !important;
  }
}

/* Prevent Horizontal Scroll on entire site */
html, body {
  overflow-x: hidden !important;
  width: 100%;
  position: relative;
}

/* --- Mobile Header & Bilingual Button Fix --- */
@media (max-width: 768px) {
  .navbar__inner {
    padding: 0 var(--space-3);
    gap: var(--space-2);
  }

  .navbar__brand {
    flex-shrink: 1;
    min-width: 0;
    overflow: hidden;
  }

  .navbar__title {
    font-size: 1rem !important;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .navbar__subtitle {
    font-size: 0.65rem !important;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .navbar__logo-img {
    width: 36px !important;
    height: 36px !important;
    flex-shrink: 0;
  }

  .navbar__actions {
    flex-shrink: 0;
    display: flex !important;
    align-items: center;
    gap: var(--space-2);
  }

  .lang-toggle,
  .btn--lang {
    font-size: 0.7rem !important;
    padding: 4px 8px !important;
    white-space: nowrap;
    flex-shrink: 0;
  }

  .theme-toggle {
    width: 32px !important;
    height: 32px !important;
    font-size: 1rem !important;
    flex-shrink: 0;
  }

  /* Page Header */
  .page-header__title {
    font-size: 1.6rem !important;
    text-align: center !important;
  }

  .page-header__desc {
    font-size: 0.9rem !important;
    text-align: center !important;
  }
}

@media (max-width: 400px) {
  .navbar__title {
    font-size: 0.85rem !important;
  }

  .navbar__subtitle {
    display: none !important;
  }

  .page-header__title {
    font-size: 1.3rem !important;
  }
}