/* ============================================
   STAFF PROFILE MODAL
   ============================================ */
.staff-modal-overlay {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(15,27,53,0.6); z-index: 99990;
  opacity: 0; visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
}
.staff-modal-overlay.active { opacity: 1; visibility: visible; }
.staff-modal {
  position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%) scale(0.9);
  background: var(--btu-white); z-index: 99991;
  width: 92%; max-width: 500px; max-height: 85vh;
  border-radius: var(--btu-radius-lg);
  box-shadow: 0 20px 60px rgba(0,0,0,0.25);
  opacity: 0; visibility: hidden;
  transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
  overflow-y: auto;
}
.staff-modal.active { opacity: 1; visibility: visible; transform: translate(-50%, -50%) scale(1); }
.staff-modal-close {
  position: absolute; top: 0.75rem; right: 0.85rem;
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--btu-gray-100); color: var(--btu-gray-600);
  font-size: 1.3rem; display: flex; align-items: center; justify-content: center;
  transition: all 0.25s; z-index: 2;
}
.staff-modal-close:hover { background: var(--btu-gray-200); color: var(--btu-text); }
.staff-modal-body {
  padding: 2rem 1.5rem 1.5rem;
  text-align: center;
  display: flex; flex-direction: column; align-items: center;
}
.staff-modal-avatar {
  width: 120px; height: 120px; border-radius: 50%;
  background: linear-gradient(135deg, var(--btu-primary), var(--btu-primary-light));
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1rem; overflow: hidden;
  border: 4px solid var(--btu-white);
  box-shadow: 0 5px 20px rgba(0,0,0,0.15);
}
.staff-modal-avatar img {
  width: 100%; height: 100%; object-fit: cover; display: block;
}
.staff-modal-avatar svg {
  width: 56px; height: 56px; stroke: rgba(255,255,255,0.7);
}
.staff-modal-name {
  font-size: 1.15rem; font-weight: 700; color: var(--btu-primary);
  margin-bottom: 0.3rem;
}
.staff-modal-role {
  display: inline-block; padding: 0.2rem 0.85rem;
  background: #dbeafe; color: #1d4ed8;
  font-weight: 600; font-size: 0.7rem;
  border-radius: 50px; text-transform: uppercase;
  letter-spacing: 0.5px; margin-bottom: 0.5rem;
}
.staff-modal-qual {
  font-size: 0.85rem; color: var(--btu-text-light);
  margin-bottom: 1rem;
}
.staff-modal-contact {
  display: flex; flex-direction: column; gap: 0.5rem;
  margin-bottom: 1rem; width: 100%;
}
.staff-modal-contact-item {
  display: flex; align-items: center; gap: 0.6rem;
  justify-content: center;
  font-size: 0.88rem; color: var(--btu-text);
  padding: 0.5rem; background: var(--btu-gray-50);
  border-radius: var(--btu-radius-sm);
}
.staff-modal-contact-item svg { flex-shrink: 0; color: var(--btu-secondary); }
.staff-modal-desc {
  font-size: 0.88rem; color: var(--btu-text-light);
  line-height: 1.7; text-align: left; width: 100%;
  background: var(--btu-gray-50);
  padding: 1rem; border-radius: var(--btu-radius);
}

/* ============================================
   Bolgatanga Technical University - Modern Design
   Mobile-First Responsive | Animated & Eye-Catching
   ============================================ */

/* === CSS Custom Properties === */
:root {
  --btu-primary: #0f1b35;
  --btu-primary-light: #1a2d52;
  --btu-secondary: #3b82f6;
  --btu-secondary-light: #60a5fa;
  --btu-accent: #f97316;
  --btu-accent-light: #fb923c;
  --btu-cyan: #06b6d4;
  --btu-teal: #14b8a6;
  --btu-white: #ffffff;
  --btu-gray-50: #f8fafc;
  --btu-gray-100: #f1f5f9;
  --btu-gray-200: #e2e8f0;
  --btu-gray-600: #64748b;
  --btu-gray-800: #1e293b;
  --btu-text: #0f172a;
  --btu-text-light: #475569;
  --btu-border: #e2e8f0;
  --btu-shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --btu-shadow: 0 4px 25px rgba(0,0,0,0.08);
  --btu-shadow-lg: 0 10px 40px rgba(0,0,0,0.12);
  --btu-shadow-glow: 0 0 30px rgba(59,130,246,0.15);
  --btu-radius: 12px;
  --btu-radius-sm: 8px;
  --btu-radius-lg: 20px;
  --btu-transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --btu-header-height: 72px;
  --btu-max-width: 1200px;
  --btu-font: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

/* === Reset & Base === */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;font-size:16px}
body{
  font-family:var(--btu-font);
  color:var(--btu-text);
  background:var(--btu-white);
  line-height:1.6;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
a{text-decoration:none;color:inherit}
ul,ol{list-style:none}
img{max-width:100%;height:auto;display:block}
button{cursor:pointer;border:none;background:none;font-family:inherit}
.container{width:100%;max-width:var(--btu-max-width);margin:0 auto;padding:0 1.25rem}

/* === Skip to Content === */
.skip-link{position:absolute;top:-100px;left:0;background:var(--btu-secondary);color:var(--btu-white);padding:8px 16px;z-index:10000;transition:top 0.2s}
.skip-link:focus{top:0}


/* ============================================
   STAFF PROFILE MODAL
   ============================================ */
.staff-modal-overlay {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(15,27,53,0.6); z-index: 99990;
  opacity: 0; visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
}
.staff-modal-overlay.active { opacity: 1; visibility: visible; }
.staff-modal {
  position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%) scale(0.9);
  background: var(--btu-white); z-index: 99991;
  width: 92%; max-width: 500px; max-height: 85vh;
  border-radius: var(--btu-radius-lg);
  box-shadow: 0 20px 60px rgba(0,0,0,0.25);
  opacity: 0; visibility: hidden;
  transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
  overflow-y: auto;
}
.staff-modal.active { opacity: 1; visibility: visible; transform: translate(-50%, -50%) scale(1); }
.staff-modal-close {
  position: absolute; top: 0.75rem; right: 0.85rem;
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--btu-gray-100); color: var(--btu-gray-600);
  font-size: 1.3rem; display: flex; align-items: center; justify-content: center;
  transition: all 0.25s; z-index: 2;
}
.staff-modal-close:hover { background: var(--btu-gray-200); color: var(--btu-text); }
.staff-modal-body {
  padding: 2rem 1.5rem 1.5rem;
  text-align: center;
  display: flex; flex-direction: column; align-items: center;
}
.staff-modal-avatar {
  width: 120px; height: 120px; border-radius: 50%;
  background: linear-gradient(135deg, var(--btu-primary), var(--btu-primary-light));
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1rem; overflow: hidden;
  border: 4px solid var(--btu-white);
  box-shadow: 0 5px 20px rgba(0,0,0,0.15);
}
.staff-modal-avatar img {
  width: 100%; height: 100%; object-fit: cover; display: block;
}
.staff-modal-avatar svg {
  width: 56px; height: 56px; stroke: rgba(255,255,255,0.7);
}
.staff-modal-name {
  font-size: 1.15rem; font-weight: 700; color: var(--btu-primary);
  margin-bottom: 0.3rem;
}
.staff-modal-role {
  display: inline-block; padding: 0.2rem 0.85rem;
  background: #dbeafe; color: #1d4ed8;
  font-weight: 600; font-size: 0.7rem;
  border-radius: 50px; text-transform: uppercase;
  letter-spacing: 0.5px; margin-bottom: 0.5rem;
}
.staff-modal-qual {
  font-size: 0.85rem; color: var(--btu-text-light);
  margin-bottom: 1rem;
}
.staff-modal-contact {
  display: flex; flex-direction: column; gap: 0.5rem;
  margin-bottom: 1rem; width: 100%;
}
.staff-modal-contact-item {
  display: flex; align-items: center; gap: 0.6rem;
  justify-content: center;
  font-size: 0.88rem; color: var(--btu-text);
  padding: 0.5rem; background: var(--btu-gray-50);
  border-radius: var(--btu-radius-sm);
}
.staff-modal-contact-item svg { flex-shrink: 0; color: var(--btu-secondary); }
.staff-modal-desc {
  font-size: 0.88rem; color: var(--btu-text-light);
  line-height: 1.7; text-align: left; width: 100%;
  background: var(--btu-gray-50);
  padding: 1rem; border-radius: var(--btu-radius);
}

/* ============================================
   SCROLL ANIMATIONS (AOS-like)
   ============================================ */
.animate {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.animate.visible {
  opacity: 1;
  transform: translateY(0);
}
.animate-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.animate-left.visible {
  opacity: 1;
  transform: translateX(0);
}
.animate-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.animate-right.visible {
  opacity: 1;
  transform: translateX(0);
}
.animate-scale {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.animate-scale.visible {
  opacity: 1;
  transform: scale(1);
}
.delay-1{transition-delay:0.1s}
.delay-2{transition-delay:0.2s}
.delay-3{transition-delay:0.3s}
.delay-4{transition-delay:0.4s}
.delay-5{transition-delay:0.5s}
.delay-6{transition-delay:0.6s}


/* ============================================
   STAFF PROFILE MODAL
   ============================================ */
.staff-modal-overlay {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(15,27,53,0.6); z-index: 99990;
  opacity: 0; visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
}
.staff-modal-overlay.active { opacity: 1; visibility: visible; }
.staff-modal {
  position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%) scale(0.9);
  background: var(--btu-white); z-index: 99991;
  width: 92%; max-width: 500px; max-height: 85vh;
  border-radius: var(--btu-radius-lg);
  box-shadow: 0 20px 60px rgba(0,0,0,0.25);
  opacity: 0; visibility: hidden;
  transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
  overflow-y: auto;
}
.staff-modal.active { opacity: 1; visibility: visible; transform: translate(-50%, -50%) scale(1); }
.staff-modal-close {
  position: absolute; top: 0.75rem; right: 0.85rem;
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--btu-gray-100); color: var(--btu-gray-600);
  font-size: 1.3rem; display: flex; align-items: center; justify-content: center;
  transition: all 0.25s; z-index: 2;
}
.staff-modal-close:hover { background: var(--btu-gray-200); color: var(--btu-text); }
.staff-modal-body {
  padding: 2rem 1.5rem 1.5rem;
  text-align: center;
  display: flex; flex-direction: column; align-items: center;
}
.staff-modal-avatar {
  width: 120px; height: 120px; border-radius: 50%;
  background: linear-gradient(135deg, var(--btu-primary), var(--btu-primary-light));
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1rem; overflow: hidden;
  border: 4px solid var(--btu-white);
  box-shadow: 0 5px 20px rgba(0,0,0,0.15);
}
.staff-modal-avatar img {
  width: 100%; height: 100%; object-fit: cover; display: block;
}
.staff-modal-avatar svg {
  width: 56px; height: 56px; stroke: rgba(255,255,255,0.7);
}
.staff-modal-name {
  font-size: 1.15rem; font-weight: 700; color: var(--btu-primary);
  margin-bottom: 0.3rem;
}
.staff-modal-role {
  display: inline-block; padding: 0.2rem 0.85rem;
  background: #dbeafe; color: #1d4ed8;
  font-weight: 600; font-size: 0.7rem;
  border-radius: 50px; text-transform: uppercase;
  letter-spacing: 0.5px; margin-bottom: 0.5rem;
}
.staff-modal-qual {
  font-size: 0.85rem; color: var(--btu-text-light);
  margin-bottom: 1rem;
}
.staff-modal-contact {
  display: flex; flex-direction: column; gap: 0.5rem;
  margin-bottom: 1rem; width: 100%;
}
.staff-modal-contact-item {
  display: flex; align-items: center; gap: 0.6rem;
  justify-content: center;
  font-size: 0.88rem; color: var(--btu-text);
  padding: 0.5rem; background: var(--btu-gray-50);
  border-radius: var(--btu-radius-sm);
}
.staff-modal-contact-item svg { flex-shrink: 0; color: var(--btu-secondary); }
.staff-modal-desc {
  font-size: 0.88rem; color: var(--btu-text-light);
  line-height: 1.7; text-align: left; width: 100%;
  background: var(--btu-gray-50);
  padding: 1rem; border-radius: var(--btu-radius);
}

/* ============================================
   HEADER & NAVBAR
   ============================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 9999;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(226,232,240,0.6);
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
  height: var(--btu-header-height);
  transition: all 0.3s;
  overflow: visible;
}
.site-header.scrolled {
  background: rgba(255,255,255,0.95);
  box-shadow: 0 2px 20px rgba(0,0,0,0.08);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--btu-header-height);
  max-width: var(--btu-max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Logo */
.logo-link {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  transition: transform 0.3s;
}
.logo-link:hover {
  transform: scale(1.03);
}
.logo-img {
  height: 44px;
  width: auto;
  object-fit: contain;
}

/* === Desktop Navigation === */
.desktop-nav{display:none}
.desktop-nav .main-menu{display:flex;align-items:center;gap:0}
.main-menu>li{position:relative}
.main-menu>li>a{
  display:flex;align-items:center;gap:0.2rem;
  padding:0.5rem 0.7rem;font-size:0.83rem;font-weight:500;
  color:var(--btu-text);border-radius:8px;
  transition:all 0.25s;white-space:nowrap;position:relative;
}
.main-menu>li>a::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--btu-secondary);
  border-radius: 2px;
  transition: width 0.3s;
}
.main-menu>li>a:hover::after,
.main-menu>li>a:focus-visible::after {
  width: 70%;
}
.main-menu>li>a:hover,.main-menu>li>a:focus-visible{
  color:var(--btu-secondary);background:var(--btu-gray-100);
}
.main-menu>li>a .chevron{width:12px;height:12px;transition:transform 0.3s}
.main-menu>li:hover>a .chevron{transform:rotate(180deg)}

/* Dropdown */
.main-menu .dropdown{
  position:absolute;top:calc(100% + 6px);left:0;
  background:rgba(255,255,255,0.98);backdrop-filter:blur(20px);
  min-width:230px;border-radius:var(--btu-radius);
  box-shadow:var(--btu-shadow-lg);border:1px solid var(--btu-border);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity 0.25s,visibility 0.25s,transform 0.25s;
  z-index:100;padding:0.4rem 0;
}
.main-menu>li:hover>.dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown li a{
  display:block;padding:0.5rem 1.1rem;font-size:0.8rem;
  color:var(--btu-text-light);transition:all 0.2s;
}
.dropdown li a:hover{background:var(--btu-gray-100);color:var(--btu-secondary);padding-left:1.3rem}

/* Nested dropdown */
.dropdown .nested{position:relative}
.dropdown .nested>a{display:flex;align-items:center;justify-content:space-between}
.dropdown .nested .sub-chevron{width:12px;height:12px;transform:rotate(-90deg);transition:transform 0.2s}
.dropdown .nested .dropdown{top:-6px;left:100%;margin-left:4px}
.dropdown .nested:hover>.dropdown{opacity:1;visibility:visible;transform:translateY(0)}

/* Header actions */
.header-actions{display:flex;align-items:center;gap:0.5rem}
.btn-apply{
  display:inline-flex;align-items:center;gap:0.35rem;
  padding:0.55rem 1.1rem;
  background:linear-gradient(135deg,var(--btu-accent),var(--btu-accent-light));
  color:var(--btu-white);border-radius:50px;
  font-size:0.8rem;font-weight:600;
  transition:all 0.3s;white-space:nowrap;
  box-shadow:0 4px 15px rgba(249,115,22,0.3);
  animation:btn-pulse 3s infinite;
}
@keyframes btn-pulse {
  0%,100%{box-shadow:0 4px 15px rgba(249,115,22,0.3)}
  50%{box-shadow:0 4px 25px rgba(249,115,22,0.5)}
}
.btn-apply:hover{transform:translateY(-2px);box-shadow:0 8px 25px rgba(249,115,22,0.4)}

/* Mobile toggle */
.mobile-toggle{
  display:flex;flex-direction:column;justify-content:center;align-items:center;
  width:42px;height:42px;border-radius:10px;
  transition:all 0.3s;position:relative;z-index:10001;
}
.mobile-toggle:hover{background:var(--btu-gray-100)}
.mobile-toggle .bar{
  display:block;width:22px;height:2.5px;
  background:var(--btu-primary);border-radius:3px;transition:all 0.3s;
}
.mobile-toggle .bar+.bar{margin-top:5px}
.mobile-toggle.active .bar:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.mobile-toggle.active .bar:nth-child(2){opacity:0}
.mobile-toggle.active .bar:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}


/* ============================================
   STAFF PROFILE MODAL
   ============================================ */
.staff-modal-overlay {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(15,27,53,0.6); z-index: 99990;
  opacity: 0; visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
}
.staff-modal-overlay.active { opacity: 1; visibility: visible; }
.staff-modal {
  position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%) scale(0.9);
  background: var(--btu-white); z-index: 99991;
  width: 92%; max-width: 500px; max-height: 85vh;
  border-radius: var(--btu-radius-lg);
  box-shadow: 0 20px 60px rgba(0,0,0,0.25);
  opacity: 0; visibility: hidden;
  transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
  overflow-y: auto;
}
.staff-modal.active { opacity: 1; visibility: visible; transform: translate(-50%, -50%) scale(1); }
.staff-modal-close {
  position: absolute; top: 0.75rem; right: 0.85rem;
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--btu-gray-100); color: var(--btu-gray-600);
  font-size: 1.3rem; display: flex; align-items: center; justify-content: center;
  transition: all 0.25s; z-index: 2;
}
.staff-modal-close:hover { background: var(--btu-gray-200); color: var(--btu-text); }
.staff-modal-body {
  padding: 2rem 1.5rem 1.5rem;
  text-align: center;
  display: flex; flex-direction: column; align-items: center;
}
.staff-modal-avatar {
  width: 120px; height: 120px; border-radius: 50%;
  background: linear-gradient(135deg, var(--btu-primary), var(--btu-primary-light));
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1rem; overflow: hidden;
  border: 4px solid var(--btu-white);
  box-shadow: 0 5px 20px rgba(0,0,0,0.15);
}
.staff-modal-avatar img {
  width: 100%; height: 100%; object-fit: cover; display: block;
}
.staff-modal-avatar svg {
  width: 56px; height: 56px; stroke: rgba(255,255,255,0.7);
}
.staff-modal-name {
  font-size: 1.15rem; font-weight: 700; color: var(--btu-primary);
  margin-bottom: 0.3rem;
}
.staff-modal-role {
  display: inline-block; padding: 0.2rem 0.85rem;
  background: #dbeafe; color: #1d4ed8;
  font-weight: 600; font-size: 0.7rem;
  border-radius: 50px; text-transform: uppercase;
  letter-spacing: 0.5px; margin-bottom: 0.5rem;
}
.staff-modal-qual {
  font-size: 0.85rem; color: var(--btu-text-light);
  margin-bottom: 1rem;
}
.staff-modal-contact {
  display: flex; flex-direction: column; gap: 0.5rem;
  margin-bottom: 1rem; width: 100%;
}
.staff-modal-contact-item {
  display: flex; align-items: center; gap: 0.6rem;
  justify-content: center;
  font-size: 0.88rem; color: var(--btu-text);
  padding: 0.5rem; background: var(--btu-gray-50);
  border-radius: var(--btu-radius-sm);
}
.staff-modal-contact-item svg { flex-shrink: 0; color: var(--btu-secondary); }
.staff-modal-desc {
  font-size: 0.88rem; color: var(--btu-text-light);
  line-height: 1.7; text-align: left; width: 100%;
  background: var(--btu-gray-50);
  padding: 1rem; border-radius: var(--btu-radius);
}

/* ============================================
   MOBILE SIDEBAR
   ============================================ */
.mobile-sidebar{
  position:fixed;top:0;right:-100%;width:85%;max-width:380px;
  height:100vh;height:100dvh;background:var(--btu-white);
  z-index:9998;overflow-y:auto;
  transition:right 0.4s cubic-bezier(0.4,0,0.2,1);
  box-shadow:-5px 0 30px rgba(0,0,0,0.15);
}
.mobile-sidebar.open{right:0}
.mobile-sidebar-header{
  display:flex;align-items:center;justify-content:space-between;
  padding:1rem 1.25rem;border-bottom:1px solid var(--btu-border);
  background:var(--btu-gray-50);
}
.mobile-sidebar-header span{font-weight:700;font-size:1.1rem;color:var(--btu-primary)}
.mobile-sidebar-close{
  width:38px;height:38px;display:flex;align-items:center;justify-content:center;
  border-radius:50%;font-size:1.4rem;color:var(--btu-text-light);transition:all 0.3s;
}
.mobile-sidebar-close:hover{background:var(--btu-gray-200)}
.mobile-menu{padding:0.5rem 0}
.mobile-menu li{border-bottom:1px solid var(--btu-gray-100)}
.mobile-menu a{display:flex;align-items:center;justify-content:space-between;padding:0.8rem 1.25rem;font-size:0.92rem;color:var(--btu-text);transition:all 0.25s}
.mobile-menu a:hover,.mobile-menu a:focus-visible{background:var(--btu-gray-50);color:var(--btu-secondary)}
.mobile-menu .has-submenu>.menu-item-wrap{display:flex;align-items:center;width:100%}
.mobile-menu .menu-link{flex:1;padding:0.8rem 0 0.8rem 1.25rem;font-size:0.92rem;color:var(--btu-text)}
.mobile-menu .submenu-toggle{
  width:38px;height:38px;display:flex;align-items:center;justify-content:center;
  flex-shrink:0;border-radius:8px;transition:all 0.3s;margin-left:0.5rem;
}
.mobile-menu .submenu-toggle:hover{background:var(--btu-gray-200)}
.mobile-menu .submenu-toggle .chevron-icon{width:14px;height:14px;transition:transform 0.35s}
.mobile-menu .submenu-toggle.expanded .chevron-icon{transform:rotate(180deg)}
.mobile-menu .submenu{display:none;background:var(--btu-gray-50);overflow:hidden}
.mobile-menu .submenu.open{display:block;animation:slideDown 0.3s ease}
@keyframes slideDown{from{opacity:0;max-height:0}to{opacity:1;max-height:1000px}}
.mobile-menu .submenu .submenu{background:var(--btu-white)}
.mobile-menu .submenu li a,.mobile-menu .submenu .menu-link{padding-left:2.25rem;font-size:0.86rem}
.mobile-menu .submenu .submenu li a,.mobile-menu .submenu .submenu .menu-link{padding-left:3rem;font-size:0.83rem}
.mobile-social{display:flex;gap:0.75rem;padding:1rem 1.25rem;border-top:1px solid var(--btu-border)}
.mobile-social a{width:38px;height:38px;border-radius:50%;background:var(--btu-gray-100);display:flex;align-items:center;justify-content:center;transition:all 0.3s}
.mobile-social a:hover{background:var(--btu-secondary);color:var(--btu-white);transform:translateY(-2px)}
.mobile-social svg{width:16px;height:16px}
.mobile-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(15,27,53,0.5);z-index:9997;opacity:0;visibility:hidden;transition:opacity 0.35s,visibility 0.35s}
.mobile-overlay.active{opacity:1;visibility:visible}


/* ============================================
   STAFF PROFILE MODAL
   ============================================ */
.staff-modal-overlay {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(15,27,53,0.6); z-index: 99990;
  opacity: 0; visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
}
.staff-modal-overlay.active { opacity: 1; visibility: visible; }
.staff-modal {
  position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%) scale(0.9);
  background: var(--btu-white); z-index: 99991;
  width: 92%; max-width: 500px; max-height: 85vh;
  border-radius: var(--btu-radius-lg);
  box-shadow: 0 20px 60px rgba(0,0,0,0.25);
  opacity: 0; visibility: hidden;
  transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
  overflow-y: auto;
}
.staff-modal.active { opacity: 1; visibility: visible; transform: translate(-50%, -50%) scale(1); }
.staff-modal-close {
  position: absolute; top: 0.75rem; right: 0.85rem;
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--btu-gray-100); color: var(--btu-gray-600);
  font-size: 1.3rem; display: flex; align-items: center; justify-content: center;
  transition: all 0.25s; z-index: 2;
}
.staff-modal-close:hover { background: var(--btu-gray-200); color: var(--btu-text); }
.staff-modal-body {
  padding: 2rem 1.5rem 1.5rem;
  text-align: center;
  display: flex; flex-direction: column; align-items: center;
}
.staff-modal-avatar {
  width: 120px; height: 120px; border-radius: 50%;
  background: linear-gradient(135deg, var(--btu-primary), var(--btu-primary-light));
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1rem; overflow: hidden;
  border: 4px solid var(--btu-white);
  box-shadow: 0 5px 20px rgba(0,0,0,0.15);
}
.staff-modal-avatar img {
  width: 100%; height: 100%; object-fit: cover; display: block;
}
.staff-modal-avatar svg {
  width: 56px; height: 56px; stroke: rgba(255,255,255,0.7);
}
.staff-modal-name {
  font-size: 1.15rem; font-weight: 700; color: var(--btu-primary);
  margin-bottom: 0.3rem;
}
.staff-modal-role {
  display: inline-block; padding: 0.2rem 0.85rem;
  background: #dbeafe; color: #1d4ed8;
  font-weight: 600; font-size: 0.7rem;
  border-radius: 50px; text-transform: uppercase;
  letter-spacing: 0.5px; margin-bottom: 0.5rem;
}
.staff-modal-qual {
  font-size: 0.85rem; color: var(--btu-text-light);
  margin-bottom: 1rem;
}
.staff-modal-contact {
  display: flex; flex-direction: column; gap: 0.5rem;
  margin-bottom: 1rem; width: 100%;
}
.staff-modal-contact-item {
  display: flex; align-items: center; gap: 0.6rem;
  justify-content: center;
  font-size: 0.88rem; color: var(--btu-text);
  padding: 0.5rem; background: var(--btu-gray-50);
  border-radius: var(--btu-radius-sm);
}
.staff-modal-contact-item svg { flex-shrink: 0; color: var(--btu-secondary); }
.staff-modal-desc {
  font-size: 0.88rem; color: var(--btu-text-light);
  line-height: 1.7; text-align: left; width: 100%;
  background: var(--btu-gray-50);
  padding: 1rem; border-radius: var(--btu-radius);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero{
  position:relative;min-height:90vh;min-height:90dvh;
  display:flex;align-items:center;
  background:var(--btu-primary);
  overflow:hidden;color:var(--btu-white);
}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg .orb{position:absolute;border-radius:50%;filter:blur(80px);opacity:0.15;animation:floatOrb 8s ease-in-out infinite}
.hero-bg .orb-1{width:500px;height:500px;background:var(--btu-secondary);top:-20%;right:-10%;animation-delay:0s}
.hero-bg .orb-2{width:350px;height:350px;background:var(--btu-cyan);bottom:-15%;left:-5%;animation-delay:4s}
.hero-bg .orb-3{width:250px;height:250px;background:var(--btu-accent);top:40%;left:40%;animation-delay:2s}
@keyframes floatOrb{0%,100%{transform:translate(0,0) scale(1)}33%{transform:translate(30px,-30px) scale(1.05)}66%{transform:translate(-20px,20px) scale(0.95)}}
.hero-particles{position:absolute;inset:0;z-index:0;overflow:hidden}
.hero-particles .particle{position:absolute;width:3px;height:3px;background:rgba(255,255,255,0.3);border-radius:50%;animation:particleFloat 6s infinite}
@keyframes particleFloat{0%{transform:translateY(100vh) scale(0);opacity:0}10%{opacity:1}90%{opacity:1}100%{transform:translateY(-10vh) scale(1);opacity:0}}
.hero .container{position:relative;z-index:2}
.hero-content{max-width:680px;padding:4rem 0;position:relative;z-index:2}
.hero-badge{
  display:inline-flex;align-items:center;gap:0.5rem;
  padding:0.4rem 1rem;
  background:rgba(255,255,255,0.1);border:1px solid rgba(255,255,255,0.2);
  border-radius:50px;font-size:0.78rem;font-weight:600;
  letter-spacing:0.5px;margin-bottom:1.75rem;backdrop-filter:blur(10px);
  animation:fadeInUp 0.8s ease;
}
.hero-badge .dot{width:9px;height:9px;background:#4ade80;border-radius:50%;animation:pulseDot 2s infinite}
@keyframes pulseDot{0%,100%{opacity:1;box-shadow:0 0 0 0 rgba(74,222,128,0.4)}50%{opacity:0.6;box-shadow:0 0 0 8px rgba(74,222,128,0)}}
.hero h1{font-size:clamp(2.2rem,5vw,3.5rem);font-weight:800;line-height:1.12;margin-bottom:1.25rem;animation:fadeInUp 0.8s ease 0.1s both}
.hero h1 .highlight{background:linear-gradient(135deg,var(--btu-cyan),var(--btu-secondary-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero p{font-size:clamp(0.95rem,2vw,1.12rem);color:rgba(255,255,255,0.8);margin-bottom:2rem;line-height:1.7;max-width:540px;animation:fadeInUp 0.8s ease 0.2s both}
.hero-buttons{display:flex;flex-wrap:wrap;gap:0.85rem;margin-bottom:3rem;animation:fadeInUp 0.8s ease 0.3s both}
@keyframes fadeInUp{from{opacity:0;transform:translateY(25px)}to{opacity:1;transform:translateY(0)}}
.btn-primary{
  display:inline-flex;align-items:center;gap:0.5rem;
  padding:0.8rem 1.6rem;
  background:linear-gradient(135deg,var(--btu-accent),#ea580c);
  color:var(--btu-white);border-radius:50px;
  font-weight:600;font-size:0.92rem;
  transition:all 0.3s;
  box-shadow:0 6px 20px rgba(249,115,22,0.35);
}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 10px 30px rgba(249,115,22,0.5)}
.btn-outline{
  display:inline-flex;align-items:center;gap:0.5rem;
  padding:0.8rem 1.6rem;
  border:2px solid rgba(255,255,255,0.4);color:var(--btu-white);
  border-radius:50px;font-weight:600;font-size:0.92rem;
  transition:all 0.3s;backdrop-filter:blur(10px);
}
.btn-outline:hover{border-color:var(--btu-white);background:rgba(255,255,255,0.1);transform:translateY(-3px)}
.hero-stats{display:flex;gap:2.5rem;padding-top:2rem;border-top:1px solid rgba(255,255,255,0.1);animation:fadeInUp 0.8s ease 0.4s both}
.hero-stats .stat-item{display:flex;flex-direction:column}
.hero-stats .stat-number{font-size:1.8rem;font-weight:800;background:linear-gradient(135deg,var(--btu-cyan),var(--btu-secondary-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-stats .stat-label{font-size:0.78rem;color:rgba(255,255,255,0.65)}

/* ============================================
   HERO SLIDER
   ============================================ */
.hero-slider{position:relative;min-height:90vh;min-height:90dvh;display:flex;align-items:center;overflow:hidden;background:linear-gradient(135deg,var(--btu-primary) 0%,#0f1b35 60%,#1a2d52 100%)}
.hero-slider .hero-bg,
.hero-slider .hero-particles{position:absolute;inset:0;z-index:0}
.hero-slider .orb{position:absolute;border-radius:50%;filter:blur(80px);opacity:0.15;animation:floatOrb 8s ease-in-out infinite}
.hero-slider .orb-1{width:500px;height:500px;background:var(--btu-secondary);top:-20%;right:-10%;animation-delay:0s}
.hero-slider .orb-2{width:350px;height:350px;background:var(--btu-cyan);bottom:-15%;left:-5%;animation-delay:4s}
.hero-slider .orb-3{width:250px;height:250px;background:var(--btu-accent);top:40%;left:40%;animation-delay:2s}
@keyframes floatOrb{0%,100%{transform:translate(0,0) scale(1)}33%{transform:translate(30px,-30px) scale(1.05)}66%{transform:translate(-20px,20px) scale(0.95)}}
.hero-slide{position:absolute;inset:0;display:flex;align-items:center;opacity:0;visibility:hidden;transition:opacity 0.8s ease,visibility 0.8s ease;z-index:1}
.hero-slide.active{opacity:1;visibility:visible;z-index:2}
.hero-slide .container{position:relative;z-index:2}
.hero-slide .hero-content{max-width:680px;padding:4rem 0;position:relative;z-index:2}
.hero-slide .hero-content h1{font-size:clamp(2.2rem,5vw,3.5rem);font-weight:800;line-height:1.12;margin-bottom:1.25rem;color:#fff}
.hero-slide .hero-content h1 .highlight{background:linear-gradient(135deg,var(--btu-cyan),var(--btu-secondary-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-slide .hero-content p{font-size:clamp(0.95rem,2vw,1.12rem);color:rgba(255,255,255,0.8);margin-bottom:2rem;line-height:1.7;max-width:540px}
.hero-slide .hero-badge{display:inline-flex;align-items:center;gap:0.5rem;padding:0.3rem 1rem;background:rgba(255,255,255,0.1);border:1px solid rgba(255,255,255,0.15);border-radius:50px;color:#fff;font-size:0.78rem;font-weight:500;margin-bottom:1.25rem;backdrop-filter:blur(10px)}
.hero-slide .hero-badge .dot{width:9px;height:9px;background:#4ade80;border-radius:50%;animation:pulseDot 2s infinite}
@keyframes pulseDot{0%,100%{opacity:1;box-shadow:0 0 0 0 rgba(74,222,128,0.4)}50%{opacity:0.6;box-shadow:0 0 0 8px rgba(74,222,128,0)}}
.hero-slide .hero-buttons{display:flex;flex-wrap:wrap;gap:0.85rem;margin-bottom:3rem}
.hero-slide .hero-stats{display:flex;gap:2.5rem;padding-top:2rem;border-top:1px solid rgba(255,255,255,0.1)}
.hero-slide .hero-stats .stat-item{display:flex;flex-direction:column}
.hero-slide .hero-stats .stat-number{font-size:1.8rem;font-weight:800;background:linear-gradient(135deg,var(--btu-cyan),var(--btu-secondary-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-slide .hero-stats .stat-label{font-size:0.78rem;color:rgba(255,255,255,0.65)}

/* Slider Navigation Dots */
.hero-slider-dots{position:absolute;bottom:2.5rem;left:50%;transform:translateX(-50%);display:flex;gap:0.75rem;z-index:10}
.hero-dot{width:12px;height:12px;border-radius:50%;background:rgba(255,255,255,0.3);cursor:pointer;transition:all 0.4s;border:2px solid transparent}
.hero-dot.active{background:var(--btu-accent);border-color:rgba(255,255,255,0.4);transform:scale(1.3);box-shadow:0 0 12px rgba(249,115,22,0.5)}
.hero-dot:hover{background:rgba(255,255,255,0.6)}

/* Slider Arrows */
.hero-slider-arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:10;background:rgba(255,255,255,0.1);border:1px solid rgba(255,255,255,0.2);color:#fff;width:48px;height:48px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all 0.3s;backdrop-filter:blur(10px)}
.hero-slider-arrow:hover{background:rgba(255,255,255,0.2);border-color:rgba(255,255,255,0.4)}
.hero-slider-prev{left:1.5rem}
.hero-slider-next{right:1.5rem}
@media(max-width:768px){.hero-slider-arrow{width:40px;height:40px}.hero-slider-prev{left:0.5rem}.hero-slider-next{right:0.5rem}.hero-slider-dots{bottom:1.5rem}}

/* Wave divider after hero */
.wave-divider{position:relative;height:60px;overflow:hidden;background:var(--btu-white);margin-top:-1px}
.wave-divider svg{position:absolute;bottom:0;width:100%;height:60px}


/* ============================================
   STAFF PROFILE MODAL
   ============================================ */
.staff-modal-overlay {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(15,27,53,0.6); z-index: 99990;
  opacity: 0; visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
}
.staff-modal-overlay.active { opacity: 1; visibility: visible; }
.staff-modal {
  position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%) scale(0.9);
  background: var(--btu-white); z-index: 99991;
  width: 92%; max-width: 500px; max-height: 85vh;
  border-radius: var(--btu-radius-lg);
  box-shadow: 0 20px 60px rgba(0,0,0,0.25);
  opacity: 0; visibility: hidden;
  transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
  overflow-y: auto;
}
.staff-modal.active { opacity: 1; visibility: visible; transform: translate(-50%, -50%) scale(1); }
.staff-modal-close {
  position: absolute; top: 0.75rem; right: 0.85rem;
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--btu-gray-100); color: var(--btu-gray-600);
  font-size: 1.3rem; display: flex; align-items: center; justify-content: center;
  transition: all 0.25s; z-index: 2;
}
.staff-modal-close:hover { background: var(--btu-gray-200); color: var(--btu-text); }
.staff-modal-body {
  padding: 2rem 1.5rem 1.5rem;
  text-align: center;
  display: flex; flex-direction: column; align-items: center;
}
.staff-modal-avatar {
  width: 120px; height: 120px; border-radius: 50%;
  background: linear-gradient(135deg, var(--btu-primary), var(--btu-primary-light));
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1rem; overflow: hidden;
  border: 4px solid var(--btu-white);
  box-shadow: 0 5px 20px rgba(0,0,0,0.15);
}
.staff-modal-avatar img {
  width: 100%; height: 100%; object-fit: cover; display: block;
}
.staff-modal-avatar svg {
  width: 56px; height: 56px; stroke: rgba(255,255,255,0.7);
}
.staff-modal-name {
  font-size: 1.15rem; font-weight: 700; color: var(--btu-primary);
  margin-bottom: 0.3rem;
}
.staff-modal-role {
  display: inline-block; padding: 0.2rem 0.85rem;
  background: #dbeafe; color: #1d4ed8;
  font-weight: 600; font-size: 0.7rem;
  border-radius: 50px; text-transform: uppercase;
  letter-spacing: 0.5px; margin-bottom: 0.5rem;
}
.staff-modal-qual {
  font-size: 0.85rem; color: var(--btu-text-light);
  margin-bottom: 1rem;
}
.staff-modal-contact {
  display: flex; flex-direction: column; gap: 0.5rem;
  margin-bottom: 1rem; width: 100%;
}
.staff-modal-contact-item {
  display: flex; align-items: center; gap: 0.6rem;
  justify-content: center;
  font-size: 0.88rem; color: var(--btu-text);
  padding: 0.5rem; background: var(--btu-gray-50);
  border-radius: var(--btu-radius-sm);
}
.staff-modal-contact-item svg { flex-shrink: 0; color: var(--btu-secondary); }
.staff-modal-desc {
  font-size: 0.88rem; color: var(--btu-text-light);
  line-height: 1.7; text-align: left; width: 100%;
  background: var(--btu-gray-50);
  padding: 1rem; border-radius: var(--btu-radius);
}

/* ============================================
   SECTIONS
   ============================================ */
.section{padding:5rem 0}
.section-header{text-align:center;margin-bottom:3rem}
.section-header h2{font-size:clamp(1.6rem,3vw,2.2rem);font-weight:800;color:var(--btu-primary);margin-bottom:0.6rem}
.section-header p{color:var(--btu-text-light);font-size:1rem;max-width:580px;margin:0 auto}
.section-header .divider{width:60px;height:4px;background:linear-gradient(135deg,var(--btu-accent),var(--btu-secondary));margin:0.85rem auto 0;border-radius:4px}

/* Welcome Section */
.welcome-section{background:var(--btu-white)}
.welcome-grid{display:grid;grid-template-columns:1fr;gap:2.5rem;align-items:center}
.welcome-text p{font-size:0.98rem;color:var(--btu-text-light);line-height:1.75;margin-bottom:0.85rem}
.welcome-image-placeholder{
  background:linear-gradient(135deg,var(--btu-primary-light),var(--btu-secondary));
  border-radius:var(--btu-radius-lg);padding:3rem;text-align:center;
  color:#fff;font-size:4rem;position:relative;overflow:hidden;
  min-height:450px;display:flex;align-items:center;justify-content:center;
}
.welcome-image-placeholder::before{
  content:'';position:absolute;inset:0;
  background:radial-gradient(circle at 30% 70%,rgba(255,255,255,0.1) 0%,transparent 60%);
}
.welcome-dots .w-dot{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,0.4);cursor:pointer;transition:all 0.3s;border:2px solid transparent}
.welcome-dots .w-dot.active{background:#fff;border-color:rgba(255,255,255,0.5);transform:scale(1.3)}

/* Why BTU */
.why-section{background:linear-gradient(180deg,var(--btu-gray-50) 0%,var(--btu-white) 100%)}
.why-grid{display:grid;grid-template-columns:1fr;gap:1.5rem}
.why-card{
  padding:2rem 1.5rem;background:var(--btu-white);
  border:1px solid var(--btu-border);border-radius:var(--btu-radius-lg);
  transition:all 0.4s;text-align:center;position:relative;overflow:hidden;
}
.why-card::before{
  content:'';position:absolute;top:0;left:0;right:0;height:4px;
  background:linear-gradient(135deg,var(--btu-secondary),var(--btu-cyan));
  transform:scaleX(0);transition:transform 0.4s;
}
.why-card:hover::before{transform:scaleX(1)}
.why-card:hover{transform:translateY(-6px);box-shadow:var(--btu-shadow-lg);border-color:transparent}
.why-card .card-icon{
  width:64px;height:64px;border-radius:16px;
  background:linear-gradient(135deg,var(--btu-gray-100),var(--btu-gray-50));
  display:flex;align-items:center;justify-content:center;
  margin:0 auto 1.25rem;font-size:1.75rem;
  transition:all 0.4s;
}
.why-card:hover .card-icon{background:linear-gradient(135deg,var(--btu-secondary),var(--btu-cyan));color:#fff;transform:scale(1.1) rotate(-5deg)}
.why-card h3{font-size:1.08rem;font-weight:700;color:var(--btu-primary);margin-bottom:0.6rem}
.why-card p{font-size:0.87rem;color:var(--btu-text-light);line-height:1.6}

/* CTA Section */
.cta-section{
  background:linear-gradient(135deg,var(--btu-primary) 0%,#1e3a6e 50%,#0f1b35 100%);
  color:var(--btu-white);padding:4rem 0;text-align:center;
  position:relative;overflow:hidden;
}
.cta-section::before{
  content:'';position:absolute;top:-50%;right:-20%;
  width:600px;height:600px;background:radial-gradient(circle,rgba(59,130,246,0.2) 0%,transparent 70%);
  border-radius:50%;
}
.cta-section h2{font-size:clamp(1.5rem,3vw,2.2rem);font-weight:800;margin-bottom:0.8rem;position:relative}
.cta-section p{font-size:1rem;color:rgba(255,255,255,0.8);margin-bottom:1.75rem;max-width:560px;margin-left:auto;margin-right:auto;position:relative}

/* News Section */
.news-grid{display:grid;grid-template-columns:1fr;gap:1.5rem}
.news-card{
  background:var(--btu-white);border:1px solid var(--btu-border);
  border-radius:var(--btu-radius-lg);overflow:hidden;
  transition:all 0.4s;
}
.news-card:hover{transform:translateY(-5px);box-shadow:var(--btu-shadow-lg)}
.news-card-img{height:190px;position:relative;overflow:hidden}
.news-card-img .news-bg{width:100%;height:100%;object-fit:cover;transition:transform 0.5s}
.news-card:hover .news-bg{transform:scale(1.08)}
.news-card-img .news-category{
  position:absolute;top:0.85rem;left:0.85rem;
  padding:0.3rem 0.85rem;background:var(--btu-accent);color:#fff;
  border-radius:50px;font-size:0.7rem;font-weight:600;z-index:1;
}
.news-card-img .news-category.events{background:var(--btu-secondary)}
.news-card-img .news-category.achievement{background:var(--btu-teal)}
.news-card-img .news-category.community{background:#8b5cf6}
.news-card-img .news-category.research{background:#ec4899}
.news-card-body{padding:1.5rem}
.news-card-body .news-date{font-size:0.78rem;color:var(--btu-gray-600);margin-bottom:0.5rem;display:flex;align-items:center;gap:0.35rem}
.news-card-body h3{font-size:1.05rem;font-weight:700;margin-bottom:0.6rem;color:var(--btu-text);line-height:1.4}
.news-card-body p{font-size:0.87rem;color:var(--btu-text-light);line-height:1.6}

/* Partners Section */
.partners-section{background:var(--btu-gray-50)}
.partners-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.25rem}
.partner-item{
  background:var(--btu-white);border:1px solid var(--btu-border);
  border-radius:var(--btu-radius);padding:1.5rem 1.25rem;
  text-align:center;transition:all 0.4s;
  display:flex;flex-direction:column;align-items:center;gap:0.5rem;
}
.partner-item:hover{box-shadow:var(--btu-shadow-lg);border-color:var(--btu-secondary);transform:translateY(-4px)}
.partner-logo-img{max-width:100%;height:48px;object-fit:contain;transition:transform 0.3s}
.partner-item:hover .partner-logo-img{transform:scale(1.08)}
.partner-item span{font-size:0.75rem;color:var(--btu-text-light);line-height:1.3}


/* ============================================
   STAFF PROFILE MODAL
   ============================================ */
.staff-modal-overlay {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(15,27,53,0.6); z-index: 99990;
  opacity: 0; visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
}
.staff-modal-overlay.active { opacity: 1; visibility: visible; }
.staff-modal {
  position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%) scale(0.9);
  background: var(--btu-white); z-index: 99991;
  width: 92%; max-width: 500px; max-height: 85vh;
  border-radius: var(--btu-radius-lg);
  box-shadow: 0 20px 60px rgba(0,0,0,0.25);
  opacity: 0; visibility: hidden;
  transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
  overflow-y: auto;
}
.staff-modal.active { opacity: 1; visibility: visible; transform: translate(-50%, -50%) scale(1); }
.staff-modal-close {
  position: absolute; top: 0.75rem; right: 0.85rem;
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--btu-gray-100); color: var(--btu-gray-600);
  font-size: 1.3rem; display: flex; align-items: center; justify-content: center;
  transition: all 0.25s; z-index: 2;
}
.staff-modal-close:hover { background: var(--btu-gray-200); color: var(--btu-text); }
.staff-modal-body {
  padding: 2rem 1.5rem 1.5rem;
  text-align: center;
  display: flex; flex-direction: column; align-items: center;
}
.staff-modal-avatar {
  width: 120px; height: 120px; border-radius: 50%;
  background: linear-gradient(135deg, var(--btu-primary), var(--btu-primary-light));
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1rem; overflow: hidden;
  border: 4px solid var(--btu-white);
  box-shadow: 0 5px 20px rgba(0,0,0,0.15);
}
.staff-modal-avatar img {
  width: 100%; height: 100%; object-fit: cover; display: block;
}
.staff-modal-avatar svg {
  width: 56px; height: 56px; stroke: rgba(255,255,255,0.7);
}
.staff-modal-name {
  font-size: 1.15rem; font-weight: 700; color: var(--btu-primary);
  margin-bottom: 0.3rem;
}
.staff-modal-role {
  display: inline-block; padding: 0.2rem 0.85rem;
  background: #dbeafe; color: #1d4ed8;
  font-weight: 600; font-size: 0.7rem;
  border-radius: 50px; text-transform: uppercase;
  letter-spacing: 0.5px; margin-bottom: 0.5rem;
}
.staff-modal-qual {
  font-size: 0.85rem; color: var(--btu-text-light);
  margin-bottom: 1rem;
}
.staff-modal-contact {
  display: flex; flex-direction: column; gap: 0.5rem;
  margin-bottom: 1rem; width: 100%;
}
.staff-modal-contact-item {
  display: flex; align-items: center; gap: 0.6rem;
  justify-content: center;
  font-size: 0.88rem; color: var(--btu-text);
  padding: 0.5rem; background: var(--btu-gray-50);
  border-radius: var(--btu-radius-sm);
}
.staff-modal-contact-item svg { flex-shrink: 0; color: var(--btu-secondary); }
.staff-modal-desc {
  font-size: 0.88rem; color: var(--btu-text-light);
  line-height: 1.7; text-align: left; width: 100%;
  background: var(--btu-gray-50);
  padding: 1rem; border-radius: var(--btu-radius);
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer{
  background:var(--btu-primary);color:rgba(255,255,255,0.75);
  padding:4rem 0 0;position:relative;
}
.footer-grid{display:grid;grid-template-columns:1fr;gap:2.5rem;margin-bottom:2.5rem}
.footer-col h4{font-size:1.08rem;font-weight:700;color:#fff;margin-bottom:1.15rem}
.footer-col p,.footer-col a{font-size:0.87rem;line-height:1.75}
.footer-col a{display:block;padding:0.22rem 0;transition:all 0.3s;color:rgba(255,255,255,0.65)}
.footer-col a:hover{color:#fff;padding-left:6px}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.1);padding:1.5rem 0;text-align:center;font-size:0.82rem;color:rgba(255,255,255,0.4)}


/* ============================================
   STAFF PROFILE MODAL
   ============================================ */
.staff-modal-overlay {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(15,27,53,0.6); z-index: 99990;
  opacity: 0; visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
}
.staff-modal-overlay.active { opacity: 1; visibility: visible; }
.staff-modal {
  position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%) scale(0.9);
  background: var(--btu-white); z-index: 99991;
  width: 92%; max-width: 500px; max-height: 85vh;
  border-radius: var(--btu-radius-lg);
  box-shadow: 0 20px 60px rgba(0,0,0,0.25);
  opacity: 0; visibility: hidden;
  transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
  overflow-y: auto;
}
.staff-modal.active { opacity: 1; visibility: visible; transform: translate(-50%, -50%) scale(1); }
.staff-modal-close {
  position: absolute; top: 0.75rem; right: 0.85rem;
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--btu-gray-100); color: var(--btu-gray-600);
  font-size: 1.3rem; display: flex; align-items: center; justify-content: center;
  transition: all 0.25s; z-index: 2;
}
.staff-modal-close:hover { background: var(--btu-gray-200); color: var(--btu-text); }
.staff-modal-body {
  padding: 2rem 1.5rem 1.5rem;
  text-align: center;
  display: flex; flex-direction: column; align-items: center;
}
.staff-modal-avatar {
  width: 120px; height: 120px; border-radius: 50%;
  background: linear-gradient(135deg, var(--btu-primary), var(--btu-primary-light));
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1rem; overflow: hidden;
  border: 4px solid var(--btu-white);
  box-shadow: 0 5px 20px rgba(0,0,0,0.15);
}
.staff-modal-avatar img {
  width: 100%; height: 100%; object-fit: cover; display: block;
}
.staff-modal-avatar svg {
  width: 56px; height: 56px; stroke: rgba(255,255,255,0.7);
}
.staff-modal-name {
  font-size: 1.15rem; font-weight: 700; color: var(--btu-primary);
  margin-bottom: 0.3rem;
}
.staff-modal-role {
  display: inline-block; padding: 0.2rem 0.85rem;
  background: #dbeafe; color: #1d4ed8;
  font-weight: 600; font-size: 0.7rem;
  border-radius: 50px; text-transform: uppercase;
  letter-spacing: 0.5px; margin-bottom: 0.5rem;
}
.staff-modal-qual {
  font-size: 0.85rem; color: var(--btu-text-light);
  margin-bottom: 1rem;
}
.staff-modal-contact {
  display: flex; flex-direction: column; gap: 0.5rem;
  margin-bottom: 1rem; width: 100%;
}
.staff-modal-contact-item {
  display: flex; align-items: center; gap: 0.6rem;
  justify-content: center;
  font-size: 0.88rem; color: var(--btu-text);
  padding: 0.5rem; background: var(--btu-gray-50);
  border-radius: var(--btu-radius-sm);
}
.staff-modal-contact-item svg { flex-shrink: 0; color: var(--btu-secondary); }
.staff-modal-desc {
  font-size: 0.88rem; color: var(--btu-text-light);
  line-height: 1.7; text-align: left; width: 100%;
  background: var(--btu-gray-50);
  padding: 1rem; border-radius: var(--btu-radius);
}

/* ============================================
   GENERIC PAGE STYLES
   ============================================ */
.page-content{padding:3rem 0;min-height:60vh}
.page-content h1{font-size:clamp(1.6rem,3vw,2.4rem);font-weight:800;color:var(--btu-primary);margin-bottom:1rem}
.page-content p{font-size:0.98rem;color:var(--btu-text-light);line-height:1.75;margin-bottom:1rem}
.page-content .page-placeholder{
  background:var(--btu-gray-50);border:2px dashed var(--btu-gray-200);
  border-radius:var(--btu-radius-lg);padding:3rem 2rem;text-align:center;margin-top:2rem;
}
.page-content .page-placeholder h3{font-size:1.25rem;color:var(--btu-text);margin-bottom:0.5rem}
.breadcrumb{padding:0.8rem 0;font-size:0.82rem;color:var(--btu-gray-600);border-bottom:1px solid var(--btu-border)}
.breadcrumb a{color:var(--btu-secondary)}
.breadcrumb span{margin:0 0.4rem}

/* Back to top */
.back-to-top{
  position:fixed;bottom:1.75rem;right:1.75rem;
  width:46px;height:46px;
  background:linear-gradient(135deg,var(--btu-secondary),var(--btu-cyan));
  color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;
  z-index:999;opacity:0;visibility:hidden;
  transition:all 0.3s;box-shadow:0 4px 20px rgba(59,130,246,0.3);
}
.back-to-top.visible{opacity:1;visibility:visible}
.back-to-top:hover{transform:translateY(-3px);box-shadow:0 8px 30px rgba(59,130,246,0.4)}


/* ============================================
   STAFF PROFILE MODAL
   ============================================ */
.staff-modal-overlay {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(15,27,53,0.6); z-index: 99990;
  opacity: 0; visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
}
.staff-modal-overlay.active { opacity: 1; visibility: visible; }
.staff-modal {
  position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%) scale(0.9);
  background: var(--btu-white); z-index: 99991;
  width: 92%; max-width: 500px; max-height: 85vh;
  border-radius: var(--btu-radius-lg);
  box-shadow: 0 20px 60px rgba(0,0,0,0.25);
  opacity: 0; visibility: hidden;
  transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
  overflow-y: auto;
}
.staff-modal.active { opacity: 1; visibility: visible; transform: translate(-50%, -50%) scale(1); }
.staff-modal-close {
  position: absolute; top: 0.75rem; right: 0.85rem;
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--btu-gray-100); color: var(--btu-gray-600);
  font-size: 1.3rem; display: flex; align-items: center; justify-content: center;
  transition: all 0.25s; z-index: 2;
}
.staff-modal-close:hover { background: var(--btu-gray-200); color: var(--btu-text); }
.staff-modal-body {
  padding: 2rem 1.5rem 1.5rem;
  text-align: center;
  display: flex; flex-direction: column; align-items: center;
}
.staff-modal-avatar {
  width: 120px; height: 120px; border-radius: 50%;
  background: linear-gradient(135deg, var(--btu-primary), var(--btu-primary-light));
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1rem; overflow: hidden;
  border: 4px solid var(--btu-white);
  box-shadow: 0 5px 20px rgba(0,0,0,0.15);
}
.staff-modal-avatar img {
  width: 100%; height: 100%; object-fit: cover; display: block;
}
.staff-modal-avatar svg {
  width: 56px; height: 56px; stroke: rgba(255,255,255,0.7);
}
.staff-modal-name {
  font-size: 1.15rem; font-weight: 700; color: var(--btu-primary);
  margin-bottom: 0.3rem;
}
.staff-modal-role {
  display: inline-block; padding: 0.2rem 0.85rem;
  background: #dbeafe; color: #1d4ed8;
  font-weight: 600; font-size: 0.7rem;
  border-radius: 50px; text-transform: uppercase;
  letter-spacing: 0.5px; margin-bottom: 0.5rem;
}
.staff-modal-qual {
  font-size: 0.85rem; color: var(--btu-text-light);
  margin-bottom: 1rem;
}
.staff-modal-contact {
  display: flex; flex-direction: column; gap: 0.5rem;
  margin-bottom: 1rem; width: 100%;
}
.staff-modal-contact-item {
  display: flex; align-items: center; gap: 0.6rem;
  justify-content: center;
  font-size: 0.88rem; color: var(--btu-text);
  padding: 0.5rem; background: var(--btu-gray-50);
  border-radius: var(--btu-radius-sm);
}
.staff-modal-contact-item svg { flex-shrink: 0; color: var(--btu-secondary); }
.staff-modal-desc {
  font-size: 0.88rem; color: var(--btu-text-light);
  line-height: 1.7; text-align: left; width: 100%;
  background: var(--btu-gray-50);
  padding: 1rem; border-radius: var(--btu-radius);
}

/* ============================================
   RESPONSIVE BREAKPOINTS
   ============================================ */
@media (min-width:768px){
  .welcome-grid{grid-template-columns:1fr 1fr}
  .why-grid{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .partners-grid{grid-template-columns:repeat(3,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
  .hero-stats{gap:3.5rem}
  .section{padding:6rem 0}
}
@media (min-width:1024px){
  .desktop-nav{display:flex}
  .mobile-toggle{display:none}
  .why-grid{grid-template-columns:repeat(3,1fr)}
  .news-grid{grid-template-columns:repeat(3,1fr)}
  .partners-grid{grid-template-columns:repeat(4,1fr)}
  .footer-grid{grid-template-columns:2fr 1fr 1fr 1fr}
  .section{padding:7rem 0}
}
@media (min-width:1200px){
  .main-menu>li>a{padding:0.55rem 0.9rem;font-size:0.86rem}
}