/* ============================================================
   MOTHER TERESA PUBLIC SCHOOL — Responsive & Enhancement CSS
   Version: 2.0 | Full Responsive Overhaul + Fixes
   Covers: Mobile (320px+), Tablet (768px+), Desktop (1024px+), Wide (1440px+)
   ============================================================ */

/* ============================================================
   COMPACT 12-ITEM NAVBAR STYLES
   ============================================================ */

/* Tighter navbar for many items */
.navbar-inner { gap: var(--space-4); }

.navbar-nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  flex: 1;
  justify-content: center;
  flex-wrap: nowrap;
}

.navbar-nav .nav-link,
.navbar-nav > a.nav-link {
  font-size: var(--text-xs);
  padding: var(--space-1) var(--space-2);
  white-space: nowrap;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.navbar-nav .nav-item > .nav-link { font-size: var(--text-xs); padding: var(--space-1) var(--space-2); }

/* Compact brand */
.navbar-brand-name { font-size: var(--text-sm); }
.navbar-brand-tagline { font-size: 9px; }
.navbar-logo { width: 42px; height: 42px; }

.btn-nav-admission { padding: var(--space-1) var(--space-3); font-size: var(--text-xs); }
.btn-nav-login { font-size: var(--text-xs); padding: var(--space-1) var(--space-3); }

/* Page Banner for inner pages */
.page-banner {
  background: var(--gradient-primary);
  padding: calc(var(--nav-height) + 50px) 0 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-banner::before {
  content: '';
  position: absolute; inset: 0;
  background: url('../images/campus1.jpg') center/cover no-repeat;
  opacity: 0.12;
}

.page-banner::after {
  content: '';
  position: absolute; bottom: 0; left: 0; right: 0;
  height: 60px;
  background: linear-gradient(to top, white, transparent);
}

.page-banner .container { position: relative; z-index: 1; }

.page-banner-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 900;
  color: white;
  margin-bottom: 12px;
}

.page-banner-breadcrumb {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.7);
  font-weight: 500;
}

.page-banner-breadcrumb a { color: var(--accent); }
.page-banner-breadcrumb a:hover { color: white; }

.page-banner-breadcrumb .breadcrumb-separator {
  margin: 0 var(--space-1);
  color: rgba(255,255,255,0.45);
}

.page-banner-breadcrumb span[aria-current="page"] {
  color: white;
  font-weight: 600;
}

/* ============================================================
   RESPONSIVE NAVBAR — Collapse earlier for many items
   ============================================================ */
@media (max-width: 1280px) {
  .navbar-nav .nav-link,
  .navbar-nav > a.nav-link,
  .navbar-nav .nav-item > .nav-link { font-size: 0.68rem; padding: 6px 5px; }
  .navbar-brand-name { font-size: 0.72rem; }
}

@media (max-width: 1100px) {
  .navbar-nav { display: none !important; }
  .navbar-toggle { display: flex !important; }
}

/* ============================================================
   WHATSAPP FLOATING BUTTON
   ============================================================ */
.whatsapp-float {
  position: fixed;
  bottom: var(--space-20);
  right: var(--space-6);
  width: var(--space-14);
  height: var(--space-14);
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-xl);
  z-index: 999;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
}

.whatsapp-float:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: var(--shadow-2xl);
}

.whatsapp-float svg {
  width: var(--space-8);
  height: var(--space-8);
  fill: white;
}

.whatsapp-float::before {
  content: 'Chat with us!';
  position: absolute;
  right: calc(100% - 4px);
  background: #25D366;
  color: white;
  padding: var(--space-1) var(--space-3-5);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  white-space: nowrap;
  box-shadow: var(--shadow-md);
  opacity: 0;
  transform: translateX(10px);
  transition: all var(--transition-base);
  pointer-events: none;
  font-family: var(--font-body);
}

.whatsapp-float:hover::before {
  opacity: 1;
  transform: translateX(0);
}

.whatsapp-float::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border: 3px solid #25D366;
  animation: whatsappPulse 2s infinite;
}


   Version: 2.0 | Full Responsive Overhaul + Fixes
   Covers: Mobile (320px+), Tablet (768px+), Desktop (1024px+), Wide (1440px+)
   ============================================================ */

/* ============================================================
   WHATSAPP FLOATING BUTTON
   ============================================================ */
.whatsapp-float {
  position: fixed;
  bottom: 90px;
  right: 28px;
  width: 58px;
  height: 58px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.45);
  z-index: 999;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  text-decoration: none;
}

.whatsapp-float:hover {
  transform: scale(1.12) translateY(-3px);
  box-shadow: 0 12px 32px rgba(37, 211, 102, 0.6);
}

.whatsapp-float svg {
  width: 32px;
  height: 32px;
  fill: white;
}

.whatsapp-float::before {
  content: 'Chat with us!';
  position: absolute;
  right: 70px;
  background: #25D366;
  color: white;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 600;
  white-space: nowrap;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  opacity: 0;
  transform: translateX(10px);
  transition: all 0.3s ease;
  pointer-events: none;
  font-family: 'Poppins', sans-serif;
}

.whatsapp-float:hover::before {
  opacity: 1;
  transform: translateX(0);
}

.whatsapp-float::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border: 3px solid #25D366;
  animation: whatsappPulse 2s infinite;
}

@keyframes whatsappPulse {
  0% { transform: scale(1); opacity: 0.7; }
  100% { transform: scale(1.6); opacity: 0; }
}

/* ============================================================
   MUSIC PLAYER BAR
   ============================================================ */
.music-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--space-14);
  background: rgba(11, 60, 138, 0.97);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  padding: 0 var(--space-5);
  gap: var(--space-4);
  z-index: 800;
  box-shadow: var(--shadow-xl);
  transform: translateY(100%);
  transition: transform var(--transition-slow);
}

.music-bar.visible { transform: translateY(0); }

.music-toggle-btn {
  width: var(--space-9);
  height: var(--space-9);
  border-radius: 50%;
  background: var(--accent);
  border: none;
  color: var(--primary-dark);
  font-size: var(--text-base);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: all var(--transition-base);
  font-weight: 700;
}

.music-toggle-btn:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-gold);
}

.music-info { flex: 1; overflow: hidden; }

.music-title {
  font-size: var(--text-sm);
  font-weight: 700;
  color: white;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-family: var(--font-body);
}

.music-subtitle {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.5);
  font-family: var(--font-body);
}

.music-progress-wrap {
  flex: 2;
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.music-progress {
  flex: 1;
  height: var(--space-1);
  background: rgba(255,255,255,0.15);
  border-radius: var(--radius-full);
  cursor: pointer;
  position: relative;
}

.music-progress-fill {
  height: 100%;
  background: var(--accent);
  border-radius: var(--radius-full);
  width: 0%;
  transition: width 0.1s linear;
}

.music-time {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.5);
  font-family: var(--font-body);
  white-space: nowrap;
}

.music-volume-btn {
  background: none;
  border: none;
  color: rgba(255,255,255,0.6);
  font-size: var(--text-xl);
  cursor: pointer;
  padding: var(--space-1);
  transition: color var(--transition-fast);
}

.music-volume-btn:hover { color: var(--accent); }

.music-close {
  background: none;
  border: none;
  color: rgba(255,255,255,0.4);
  font-size: var(--text-xl);
  cursor: pointer;
  padding: var(--space-1);
  flex-shrink: 0;
  transition: color var(--transition-fast);
}

.music-close:hover { color: white; }

body.music-active { padding-bottom: var(--space-14); }

/* ============================================================
   SEO / ACCESSIBILITY
   ============================================================ */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute;
  top: -100px; left: 16px; z-index: 9999;
  background: #0B3C8A; color: white;
  padding: 10px 20px; border-radius: 0 0 8px 8px;
  font-weight: 700; font-size: 0.875rem;
  transition: top 0.2s; text-decoration: none;
}
.skip-link:focus { top: 0; }

/* ============================================================
   IMAGE SIZING FIXES
   ============================================================ */
.welcome-image,
.about-img,
.facility-image-wrap img,
.news-image-wrap img,
.campus-life-main img,
.campus-life-sub-item img,
.gallery-item img,
.leader-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.news-image-wrap { height: var(--space-56); overflow: hidden; }
.facility-image-wrap { height: var(--space-52); overflow: hidden; }
.facility-image-wrap > div { width:100%; height:100%; }
.gallery-item { min-height: var(--space-40); }
.program-card { min-height: var(--space-80); }
.campus-life-main { min-height: var(--space-72); }
.campus-life-sub-item { min-height: var(--space-36); }
.welcome-image, .about-img { min-height: var(--space-64); max-height: var(--space-128); }
.leader-photo { width: var(--space-28) !important; height: var(--space-28) !important; object-fit: cover; border-radius: 50%; }

/* ============================================================
   FACULTY PAGE STYLES
   ============================================================ */
.faculty-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-7);
}

.faculty-card {
  background: var(--bg-white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--border-light);
  transition: all var(--transition-slow);
  text-align: center;
}

.faculty-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
  border-color: var(--primary-100);
}

.faculty-card-top {
  background: var(--gradient-primary);
  padding: var(--space-10) var(--space-6) var(--space-16);
  position: relative;
}

.faculty-photo-wrap {
  width: var(--space-24);
  height: var(--space-24);
  margin: 0 auto;
  border-radius: 50%;
  border: 4px solid var(--accent);
  box-shadow: 0 0 0 var(--space-2) rgba(212,175,55,0.2);
  overflow: hidden;
  background: rgba(255,255,255,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-3xl);
}

.faculty-photo-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.faculty-subject-badge {
  position: absolute;
  bottom: var(--space-4);
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-gold);
  color: var(--primary-dark);
  font-size: var(--text-xs);
  font-weight: 800;
  padding: var(--space-1) var(--space-3-5);
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  white-space: nowrap;
  box-shadow: var(--shadow-gold);
}

.faculty-card-body { padding: var(--space-8) var(--space-5) var(--space-6); }

.faculty-name {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: var(--space-1);
}

.faculty-designation {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--primary);
  margin-bottom: var(--space-2);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.faculty-qualification {
  font-size: var(--text-sm);
  color: var(--text-medium);
  margin-bottom: var(--space-4);
  line-height: 1.5;
}

.faculty-exp-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--primary-50);
  color: var(--primary);
  font-size: var(--text-xs);
  font-weight: 700;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
}

.faculty-filters {
  display: flex;
  gap: var(--space-3);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-16);
}

.faculty-filter-btn {
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-medium);
  background: var(--bg-white);
  border: 1.5px solid var(--border);
  cursor: pointer;
  transition: all var(--transition-base);
}

.faculty-filter-btn:hover,
.faculty-filter-btn.active {
  background: var(--gradient-primary);
  color: white;
  border-color: transparent;
  box-shadow: var(--shadow-primary);
  transform: translateY(-2px);
}

/* ============================================================
   RESPONSIVE BREAKPOINTS
   ============================================================ */

/* WIDE 1440px+ */
@media (min-width: 1440px) {
  :root { --container-max: 1320px; }
  .faculty-grid { grid-template-columns: repeat(4, 1fr); }
}

/* 1200px */
@media (max-width: 1200px) {
  :root {
    --container-max: 960px;
  }
  
  .nav-link {
    padding: var(--space-2) var(--space-2-5);
    font-size: var(--text-sm);
  }
  
  .faculty-grid { 
    grid-template-columns: repeat(3, 1fr); 
  }
  
  .programs-grid { 
    grid-template-columns: repeat(2, 1fr); 
    gap: var(--space-5);
  }
  
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr;
  }
  
  .gallery-grid {
    columns: 3;
  }
}

/* 1024px TABLET LANDSCAPE */
@media (max-width: 1024px) {
  :root {
    --section-padding: var(--space-16) 0;
    --nav-height: 70px;
  }

  .container {
    padding: 0 var(--space-5);
  }

  .navbar-nav {
    display: none !important;
  }
  .navbar-toggle {
    display: flex !important;
  }

  .welcome-inner,
  .about-grid,
  .campus-life-grid {
    grid-template-columns: 1fr !important;
  }

  .welcome-image-wrap {
    order: -1;
  }
  
  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
  }

  .values-grid,
  .why-grid,
  .achievements-grid,
  .facilities-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .programs-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
  }
  
  .news-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
  }
  
  .leadership-grid {
    grid-template-columns: 1fr;
  }

  .gallery-grid {
    columns: 3;
    column-gap: var(--space-3-5);
  }
  
  .campus-life-sub {
    grid-template-columns: 1fr 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-10);
  }
  
  .faculty-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .contact-cards-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* 768px TABLET PORTRAIT */
@media (max-width: 768px) {
  :root {
    --section-padding: var(--space-14) 0;
    --nav-height: 64px;
  }
  
  .container {
    padding: 0 var(--space-4);
  }

  .hero-content {
    padding: var(--space-20) var(--space-4) var(--space-10);
  }
  
  .hero-title {
    font-size: clamp(1.9rem, 7vw, 2.8rem);
    line-height: 1.1;
  }
  
  .hero-subtitle {
    font-size: var(--text-sm);
    margin-bottom: var(--space-6);
  }
  
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-3);
  }
  
  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }
  
  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3);
    margin-top: var(--space-12);
  }
  
  .hero-stat {
    padding: var(--space-4) var(--space-3);
  }
  
  .hero-stat-number {
    font-size: var(--text-2xl);
  }
  
  .hero-stat-label {
    font-size: var(--text-xs);
  }

  .section-header {
    margin-bottom: var(--space-12);
  }

  .values-grid,
  .why-grid,
  .achievements-grid,
  .programs-grid,
  .facilities-grid,
  .news-grid,
  .contact-cards-grid,
  .leadership-grid {
    grid-template-columns: 1fr;
  }

  .gallery-grid {
    columns: 2;
    column-gap: var(--space-3);
  }

  .faculty-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .admission-banner {
    padding: var(--space-12) var(--space-5);
  }
  
  .admission-banner-title {
    font-size: var(--text-2xl);
  }
  
  .admission-banner-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .testimonial-card {
    padding: var(--space-12) var(--space-5);
  }
  
  .news-image-wrap {
    height: 200px;
  }
  
  .facility-image-wrap {
    height: 185px;
  }

  .page-banner {
    padding: calc(var(--nav-height) + var(--space-10)) 0 var(--space-6);
  }
  
  .page-banner-title {
    font-size: var(--text-2xl);
  }

  .campus-life-grid {
    grid-template-columns: 1fr;
  }
  
  .campus-life-sub {
    grid-template-columns: 1fr 1fr;
  }
  
  .campus-life-main {
    min-height: 230px;
  }

  .music-progress-wrap {
    display: none;
  }
  
  .whatsapp-float {
    bottom: 72px;
    right: var(--space-4);
    width: 52px;
    height: 52px;
  }
  
  .whatsapp-float::before {
    display: none;
  }

  /* Results responsive */
  .results-summary-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .charts-row {
    grid-template-columns: 1fr;
  }
  
  .circular-progress-row {
    grid-template-columns: 1fr;
  }
  
  .student-card-header {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .results-search-card {
    padding: var(--space-12) var(--space-5);
  }
}

/* 480px SMALL MOBILE */
@media (max-width: 480px) {
  :root {
    --section-padding: var(--space-12) 0;
    --nav-height: 60px;
  }
  
  .container {
    padding: 0 var(--space-3);
  }

  .hero-title {
    font-size: var(--text-3xl);
  }
  
  .hero-stats {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3);
  }

  .gallery-grid {
    columns: 1;
  }
  
  .gallery-filters {
    gap: var(--space-2);
  }
  
  .gallery-filter-btn {
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-xs);
  }

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

  .navbar-brand-name {
    font-size: var(--text-xs);
  }
  
  .navbar-brand-tagline {
    font-size: 0.56rem;
  }
  
  .navbar-logo {
    width: 36px;
    height: 36px;
  }
  
  .btn-nav-login {
    display: none;
  }
  
  .btn-nav-admission {
    padding: var(--space-1) var(--space-2-5);
    font-size: var(--text-xs);
  }

  .campus-life-sub {
    grid-template-columns: 1fr;
  }

  .btn-lg {
    padding: var(--space-2-5) var(--space-4);
    font-size: var(--text-sm);
  }

  .leader-card-body {
    padding: var(--space-5) var(--space-4);
  }
  
  .achievement-medal {
    font-size: var(--text-3xl);
  }

  .admin-stats-grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* 360px VERY SMALL */
@media (max-width: 360px) {
  .hero-title {
    font-size: var(--text-2xl);
  }
  
  .navbar-brand-text {
    max-width: 140px;
  }
  
  .hero-stat-number {
    font-size: var(--text-xl);
  }
  
  .admin-stats-grid {
    grid-template-columns: 1fr;
  }
}

/* NAVBAR on small screens */
@media (max-width: 600px) {
  .navbar-brand-text {
    max-width: 160px;
  }
  
  .navbar-actions {
    gap: var(--space-2);
  }
  
  .btn-nav-login {
    display: none;
  }
}

/* TOUCH DEVICES */
@media (hover: none) {
  .card:hover,
  .news-card:hover,
  .facility-card:hover,
  .why-card:hover,
  .value-card:hover,
  .achievement-card:hover,
  .faculty-card:hover { transform: none; }
}

/* PRINT */
@media print {
  .navbar, .footer, .whatsapp-float, .music-bar,
  .scroll-top, .hero-particles, .hero-decor { display: none !important; }
  body { padding-bottom: 0 !important; }
  .reveal { opacity: 1 !important; transform: none !important; }
}

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