/* ==========================================================================
   ZABIB COLLEGE (ZBK) - OFFICIAL INSTITUTIONAL PORTAL STYLESHEET
   Aesthetics: Deep Royal Navy (#0A192F, #0E2442), Imperial Gold (#C59B27, #DFB135),
               Crisp Slate, Warm Alabaster, Smooth Glassmorphism & Micro-animations
   ========================================================================== */

:root {
  --primary-navy: #0B1C33;
  --primary-navy-dark: #06101E;
  --navy-light: #162C4E;
  --accent-gold: #C59B27;
  --accent-gold-light: #E5B83A;
  --accent-gold-glow: rgba(197, 155, 39, 0.25);
  --accent-crimson: #8B1E2D;
  --text-primary: #1E293B;
  --text-muted: #64748B;
  --text-light: #F8FAFC;
  --bg-surface: #FFFFFF;
  --bg-canvas: #F8FAFC;
  --bg-dark-card: #112240;
  --border-subtle: rgba(226, 232, 240, 0.8);
  --glass-bg: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(255, 255, 255, 0.4);
  --shadow-sm: 0 2px 8px rgba(11, 28, 51, 0.04);
  --shadow-md: 0 8px 24px rgba(11, 28, 51, 0.08);
  --shadow-lg: 0 16px 40px rgba(11, 28, 51, 0.12);
  --shadow-xl: 0 24px 50px rgba(11, 28, 51, 0.18);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-full: 9999px;
  --transition-smooth: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Base & Typography */
body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--text-primary);
  background-color: var(--bg-canvas);
  overflow-x: hidden;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6, .font-heading {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  color: var(--primary-navy);
  letter-spacing: -0.02em;
}

a {
  text-decoration: none;
  transition: var(--transition-smooth);
}

/* Top Notification / Info Bar */
.topbar {
  background: var(--primary-navy-dark);
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.84rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 8px 0;
}

.topbar a {
  color: rgba(255, 255, 255, 0.85);
}

.topbar a:hover {
  color: var(--accent-gold-light);
}

.topbar .badge-admission {
  background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-light));
  color: var(--primary-navy-dark);
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* Main Navigation Bar */
.navbar-custom {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 4px 20px rgba(11, 28, 51, 0.06);
  padding: 12px 0;
  transition: var(--transition-smooth);
  position: sticky;
  top: 0;
  z-index: 1040;
}

.navbar-custom.scrolled {
  padding: 8px 0;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 8px 30px rgba(11, 28, 51, 0.12);
}

.navbar-brand-logo {
  height: 52px;
  width: auto;
  border-radius: 50%;
  box-shadow: 0 4px 12px rgba(197, 155, 39, 0.25);
  border: 2px solid var(--accent-gold);
}

.brand-text-wrap {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  font-size: 1.35rem;
  color: var(--primary-navy);
  line-height: 1.1;
  letter-spacing: 0.04em;
}

.brand-sub {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent-gold);
  font-weight: 700;
}

.navbar-nav .nav-link {
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--primary-navy);
  padding: 8px 14px !important;
  border-radius: var(--radius-sm);
  position: relative;
  transition: var(--transition-smooth);
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
  color: var(--accent-gold);
}

.navbar-nav .nav-link::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 20px;
  height: 2px;
  background: var(--accent-gold);
  border-radius: 2px;
  transition: transform 0.25s ease;
}

.navbar-nav .nav-link:hover::after,
.navbar-nav .nav-link.active::after {
  transform: translateX(-50%) scaleX(1);
}

/* Custom Buttons */
.btn-gold {
  background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-light));
  color: var(--primary-navy-dark);
  font-weight: 700;
  padding: 10px 24px;
  border-radius: var(--radius-full);
  border: none;
  box-shadow: 0 4px 14px var(--accent-gold-glow);
  transition: var(--transition-smooth);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(197, 155, 39, 0.4);
  color: var(--primary-navy-dark);
}

.btn-navy {
  background: var(--primary-navy);
  color: #FFFFFF;
  font-weight: 600;
  padding: 10px 24px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 4px 12px rgba(11, 28, 51, 0.15);
  transition: var(--transition-smooth);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-navy:hover {
  background: var(--navy-light);
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(11, 28, 51, 0.25);
}

.btn-outline-gold {
  background: transparent;
  color: var(--accent-gold-light);
  font-weight: 700;
  padding: 10px 24px;
  border-radius: var(--radius-full);
  border: 2px solid var(--accent-gold);
  transition: var(--transition-smooth);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-outline-gold:hover {
  background: var(--accent-gold);
  color: var(--primary-navy-dark);
  transform: translateY(-2px);
}

/* ==========================================================================
   Hero Showcase Carousel
   ========================================================================== */
.hero-slider-section {
  position: relative;
  background: var(--primary-navy-dark);
}

.hero-carousel {
  position: relative;
}

.hero-carousel .carousel-item {
  height: 82vh;
  min-height: 580px;
  max-height: 780px;
  position: relative;
  overflow: hidden;
}

.hero-carousel .carousel-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 25%;
  transform: scale(1);
  transition: transform 7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.hero-carousel .carousel-item.active img {
  transform: scale(1.08);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    rgba(6, 16, 30, 0.88) 0%,
    rgba(11, 28, 51, 0.72) 50%,
    rgba(11, 28, 51, 0.35) 100%
  );
  z-index: 1;
}

.hero-content {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  transform: translateY(-50%);
  z-index: 2;
  color: #FFFFFF;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(197, 155, 39, 0.18);
  border: 1px solid rgba(229, 184, 58, 0.4);
  color: var(--accent-gold-light);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-size: 0.84rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1.25rem;
  backdrop-filter: blur(8px);
}

.hero-title {
  font-size: clamp(2.4rem, 4.5vw, 3.8rem);
  font-weight: 800;
  color: #FFFFFF;
  line-height: 1.15;
  margin-bottom: 1.25rem;
  text-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
}

.hero-title .text-gradient-gold {
  background: linear-gradient(135deg, #FDE68A 0%, #F59E0B 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: clamp(1rem, 1.3vw, 1.2rem);
  color: rgba(255, 255, 255, 0.88);
  max-width: 620px;
  margin-bottom: 2rem;
  line-height: 1.7;
}

/* Floating Quick Badges / Metrics at Bottom of Hero */
.hero-floating-metrics {
  position: relative;
  margin-top: -65px;
  z-index: 10;
}

.metric-card {
  background: #FFFFFF;
  border-radius: var(--radius-md);
  padding: 22px 20px;
  box-shadow: 0 12px 32px rgba(11, 28, 51, 0.12);
  border-top: 4px solid var(--accent-gold);
  transition: var(--transition-smooth);
  display: flex;
  align-items: center;
  gap: 16px;
}

.metric-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(11, 28, 51, 0.18);
}

.metric-icon-wrap {
  width: 54px;
  height: 54px;
  border-radius: 12px;
  background: rgba(197, 155, 39, 0.12);
  color: var(--accent-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  flex-shrink: 0;
}

.metric-value {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary-navy);
  line-height: 1;
}

.metric-label {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-weight: 600;
  margin-top: 4px;
  line-height: 1.25;
}

/* Section Common Styling */
.section-padding {
  padding: 90px 0;
}

.section-tag {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-gold);
  background: rgba(197, 155, 39, 0.1);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(2rem, 3vw, 2.75rem);
  font-weight: 800;
  color: var(--primary-navy);
  line-height: 1.2;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 660px;
}

/* ==========================================================================
   Principal / Leadership Section
   ========================================================================== */
.principal-img-frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.principal-img-frame img {
  width: 100%;
  height: 520px;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.principal-img-frame:hover img {
  transform: scale(1.03);
}

.principal-badge-float {
  position: absolute;
  bottom: 20px;
  right: 20px;
  background: rgba(11, 28, 51, 0.9);
  backdrop-filter: blur(8px);
  color: #FFFFFF;
  padding: 14px 20px;
  border-radius: var(--radius-md);
  border-left: 4px solid var(--accent-gold);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.quote-bubble {
  background: #FFFFFF;
  border-radius: var(--radius-md);
  padding: 30px;
  border-left: 4px solid var(--accent-gold);
  box-shadow: var(--shadow-md);
  font-style: italic;
  position: relative;
  margin-bottom: 24px;
}

.quote-bubble::before {
  content: '“';
  font-family: serif;
  font-size: 5rem;
  color: rgba(197, 155, 39, 0.2);
  position: absolute;
  top: -10px;
  left: 18px;
  line-height: 1;
}

/* ==========================================================================
   Academics & Curricula Cards
   ========================================================================== */
.academic-card {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-subtle);
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.academic-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  background: linear-gradient(90deg, var(--accent-gold), var(--primary-navy));
  opacity: 0;
  transition: opacity 0.35s ease;
}

.academic-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(197, 155, 39, 0.3);
}

.academic-card:hover::before {
  opacity: 1;
}

.academic-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin-bottom: 20px;
  transition: var(--transition-smooth);
}

.academic-card:hover .academic-icon {
  transform: scale(1.1) rotate(4deg);
}

.badge-curriculum {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  background: var(--bg-canvas);
  color: var(--text-muted);
  border: 1px solid #E2E8F0;
}

/* Feature Showcase Grid */
.feature-box {
  display: flex;
  gap: 20px;
  padding: 24px;
  border-radius: var(--radius-md);
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-smooth);
}

.feature-box:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(197, 155, 39, 0.4);
}

.feature-icon-circle {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(11, 28, 51, 0.06), rgba(197, 155, 39, 0.15));
  color: var(--accent-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}

/* ==========================================================================
   Campus Aerial / Virtual Facilities Tour
   ========================================================================== */
.campus-showcase-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.campus-showcase-wrap img {
  width: 100%;
  height: 560px;
  object-fit: cover;
}

.campus-showcase-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(6, 16, 30, 0.92) 0%, rgba(11, 28, 51, 0.3) 60%, transparent 100%);
  display: flex;
  align-items: flex-end;
  padding: 40px;
  color: #FFFFFF;
}

.facility-pill-btn {
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(8px);
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.3);
  padding: 8px 18px;
  border-radius: var(--radius-full);
  font-size: 0.86rem;
  font-weight: 600;
  margin-right: 8px;
  margin-bottom: 8px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition-smooth);
}

.facility-pill-btn:hover,
.facility-pill-btn.active {
  background: var(--accent-gold);
  color: var(--primary-navy-dark);
  border-color: var(--accent-gold);
}

/* ==========================================================================
   Digital Portal Bridge Section (CBT & RPS Highlight)
   ========================================================================== */
.portal-showcase-section {
  background: radial-gradient(circle at top right, #162C4E 0%, #06101E 100%);
  color: #FFFFFF;
  position: relative;
  overflow: hidden;
}

.portal-glass-card {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
}

.portal-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 24px;
}

.portal-check-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(197, 155, 39, 0.2);
  color: var(--accent-gold-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* ==========================================================================
   Admission Pathway Steps
   ========================================================================== */
.step-number {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--primary-navy);
  color: var(--accent-gold);
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  border: 3px solid rgba(197, 155, 39, 0.4);
  box-shadow: 0 4px 12px rgba(11, 28, 51, 0.15);
  margin-bottom: 16px;
}

.step-card {
  background: #FFFFFF;
  border-radius: var(--radius-md);
  padding: 30px 24px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-subtle);
  transition: var(--transition-smooth);
  height: 100%;
}

.step-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent-gold);
}

/* ==========================================================================
   Testimonial Cards
   ========================================================================== */
.testimonial-card {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-subtle);
  position: relative;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.stars-rating {
  color: #F59E0B;
  font-size: 0.95rem;
  margin-bottom: 14px;
}

.testimonial-text {
  font-size: 0.98rem;
  color: #334155;
  line-height: 1.7;
  font-style: italic;
  margin-bottom: 24px;
}

.avatar-ring {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--primary-navy);
  color: var(--accent-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
  border: 2px solid var(--accent-gold);
}

/* ==========================================================================
   Accordion Customization
   ========================================================================== */
.custom-accordion .accordion-item {
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md) !important;
  margin-bottom: 14px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.custom-accordion .accordion-button {
  font-weight: 700;
  font-size: 1.02rem;
  color: var(--primary-navy);
  background: #FFFFFF;
  padding: 18px 24px;
  box-shadow: none;
}

.custom-accordion .accordion-button:not(.collapsed) {
  background: rgba(197, 155, 39, 0.08);
  color: var(--primary-navy);
}

.custom-accordion .accordion-button:not(.collapsed)::after {
  filter: brightness(0.2) sepia(1) hue-rotate(5deg) saturate(5);
}

.custom-accordion .accordion-body {
  padding: 20px 24px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ==========================================================================
   Inquiry / Tour Booking Card
   ========================================================================== */
.inquiry-card {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-xl);
  border-top: 5px solid var(--accent-gold);
}

.form-control-custom,
.form-select-custom {
  border: 1.5px solid #E2E8F0;
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: 0.94rem;
  transition: var(--transition-smooth);
}

.form-control-custom:focus,
.form-select-custom:focus {
  border-color: var(--accent-gold);
  box-shadow: 0 0 0 4px var(--accent-gold-glow);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer-main {
  background: var(--primary-navy-dark);
  color: rgba(255, 255, 255, 0.75);
  padding-top: 80px;
  padding-bottom: 30px;
  border-top: 4px solid var(--accent-gold);
}

.footer-main h5 {
  color: #FFFFFF;
  font-size: 1.15rem;
  margin-bottom: 24px;
  position: relative;
  padding-bottom: 12px;
}

.footer-main h5::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 32px;
  height: 2px;
  background: var(--accent-gold);
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.footer-links a:hover {
  color: var(--accent-gold-light);
  transform: translateX(4px);
}

.footer-bottom {
  margin-top: 60px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.85rem;
}

/* Back to Top Floating Button */
.btn-back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--accent-gold);
  color: var(--primary-navy-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-smooth);
  z-index: 1000;
  border: none;
}

.btn-back-to-top.show {
  opacity: 1;
  visibility: visible;
}

.btn-back-to-top:hover {
  background: var(--accent-gold-light);
  transform: translateY(-4px);
}

/* Micro Animations */
@keyframes floatGentle {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.float-animation {
  animation: floatGentle 4s ease-in-out infinite;
}

@keyframes pulseGold {
  0% { box-shadow: 0 0 0 0 rgba(197, 155, 39, 0.5); }
  70% { box-shadow: 0 0 0 14px rgba(197, 155, 39, 0); }
  100% { box-shadow: 0 0 0 0 rgba(197, 155, 39, 0); }
}

.pulse-badge {
  animation: pulseGold 2.5s infinite;
}