:root{
  --primary-brown: #8B4513;
  --accent: #CC9900;
  --text: #333;
  --bg: #ffffff;
  --max-width: 1200px;
}

/* Layout helpers */
*{box-sizing:border-box}
img,iframe,video{max-width:100%;height:auto;display:block}
.container{width:90%;max-width:var(--max-width);margin:0 auto;padding:0 16px}

/* Responsive typography */
html, body{font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;color:var(--text);background:var(--bg)}
body{font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased}
h1,h2,h3{line-height:1.2}
h1{font-size:clamp(1.5rem, 2.5vw, 2.5rem)}
h2{font-size:clamp(1.25rem, 2vw, 2rem)}

/* Nav responsiveness */
.main-nav ul{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:center}
.main-nav{padding:10px 0}
.main-nav a{padding:8px 6px}

/* Hover blur effect: highlight only the item under the cursor, dim/blur others
  Applies to the main nav and the alternative .navbar/nav-links patterns. */
header .main-nav ul:hover > li { filter: blur(2px); opacity: 0.45; }
header .main-nav ul:hover > li:hover { filter: none; opacity: 1; }

header .navbar .nav-links:hover > a { filter: blur(2px); opacity: 0.45; }
header .navbar .nav-links:hover > a:hover { filter: none; opacity: 1; }

/* Fallback: ensure any nav markup uses the blur effect; high specificity to override inline rules */
nav.main-nav ul:hover li, header nav.main-nav ul:hover li {
  filter: blur(2px) !important;
  opacity: 0.45 !important;
}
nav.main-nav ul:hover li:hover, header nav.main-nav ul:hover li:hover {
  filter: none !important;
  opacity: 1 !important;
}
/* Disable hover blur on touch devices to avoid first-tap hover capture. */
@media (hover: none), (pointer: coarse) {
  header .main-nav ul:hover > li,
  nav.main-nav ul:hover li,
  header .main-nav.open ul:hover > li,
  nav.main-nav.open ul:hover > li,
  nav.navbar .nav-links:hover > a,
  nav.navbar:hover .nav-links > a {
    filter: none !important;
    opacity: 1 !important;
  }
}
/* Sidebar open state blur effect for home page and mobile nav */
header .main-nav.open ul:hover > li,
nav.main-nav.open ul:hover > li {
  filter: blur(2px) !important;
  opacity: 0.45 !important;
}
header .main-nav.open ul:hover > li:hover,
nav.main-nav.open ul:hover > li:hover {
  filter: none !important;
  opacity: 1 !important;
}
nav.navbar .nav-links:hover > a, nav.navbar:hover .nav-links > a {
  filter: blur(2px) !important;
  opacity: 0.45 !important;
}
nav.navbar .nav-links:hover > a:hover, nav.navbar:hover .nav-links > a:hover {
  filter: none !important;
  opacity: 1 !important;
}

/* Mobile nav: keep links horizontal on narrow screens but allow horizontal scroll when needed */
@media (max-width: 700px){
  /* Stronger selector to override per-page inline rules */
  header .main-nav ul, .main-header .main-nav ul, nav.main-nav > ul {
    display:flex !important;
    flex-direction:row !important;
    align-items:center !important;
    justify-content:center !important;
    overflow-x:auto !important;
    -webkit-overflow-scrolling:touch !important;
    gap:8px !important;
    white-space:nowrap !important;
    padding:0 !important;
    margin:0 !important;
  }
  header .main-nav li, .main-header .main-nav li, nav.main-nav > ul > li{display:inline-block !important}
  header .main-nav a, .main-header .main-nav a, nav.main-nav a{display:inline-block !important; padding:10px 12px !important}

  /* ensure separators or borders don't force full-width items */
  header .main-nav li > a, nav.main-nav li > a { border:none !important }

  /* Ensure touch targets are immediately clickable */
  header .main-nav a, nav.main-nav a, .main-nav .menu-close-btn, .menu-toggle-btn {
    -webkit-tap-highlight-color: transparent !important;
    touch-action: manipulation !important;
    cursor: pointer !important;
  }
}

/* Responsive sidebar menu for all mobile navigation */
.menu-toggle-btn {
  display: none;
  position: fixed;
  top: 14px;
  left: 14px;
  z-index: 1300;
  width: 46px;
  height: 46px;
  border: none;
  border-radius: 12px;
  background: #ffffff;
  color: var(--primary-brown);
  font-size: 1.35rem;
  line-height: 1;
  cursor: pointer;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.16);
  align-items: center;
  justify-content: center;
}
.menu-close-btn {
  display: none;
  position: absolute;
  right: 16px;
  top: 16px;
  width: 38px;
  height: 38px;
  border: none;
  border-radius: 50%;
  background: transparent;
  color: var(--text);
  font-size: 1.8rem;
  cursor: pointer;
}
.sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.48);
  opacity: 0;
  transition: opacity .25s ease;
  z-index: 1200; /* sits below the nav but above page content */
  pointer-events: none; /* allow clicks through when hidden */
}
.sidebar-backdrop.visible {
  display: block;
  opacity: 1;
  pointer-events: auto; /* block clicks when visible */
}

/* Avoid overlay interference with fixed page content on mobile pages. */
body.menu-opened {
  overflow: hidden !important;
}

/* Ensure the backdrop does not block the open button or page overlay interactions. */
.sidebar-backdrop {
  touch-action: none;
  -webkit-tap-highlight-color: transparent;
}

/* Page-specific higher priority for nav layering and menu button clickability */
/* Backdrop should sit below the nav but above page content */
.sidebar-backdrop { z-index: 10000 !important; }
header .main-nav, nav.main-nav, header .navbar, nav.navbar {
  z-index: 10050 !important;
  pointer-events: auto !important;
}
.main-nav.open, nav.main-nav.open, .header .navbar.open { z-index: 10050 !important; }
.menu-toggle-btn { z-index: 10060 !important; }

header .main-nav,
.header .navbar {
  transition: left .28s ease, transform .28s ease;
}

@media (max-width: 900px) {
  .menu-toggle-btn { display: inline-flex; }

  header .main-nav,
  nav.main-nav {
    position: fixed !important;
    top: 0;
    left: -320px;
    width: min(280px, 80vw);
    height: 100%;
    background: #ffffff;
    padding: 20px 18px 24px;
    box-shadow: 10px 0 34px rgba(0, 0, 0, 0.16);
    overflow-y: auto;
    z-index: 1350; /* above backdrop */
    display: block !important;
    transform: translateX(0);
  }
  header .main-nav.open,
  nav.main-nav.open {
    left: 0;
    transform: translateX(0);
  }
  header .main-nav ul {
    display: flex !important;
    flex-direction: column !important;
    gap: 0 !important;
    margin-top: 16px !important;
    width: 100% !important;
  }
  header .main-nav li {
    display: block !important;
    width: 100% !important;
  }
  header .main-nav a {
    display: block !important;
    width: 100% !important;
    padding: 14px 12px !important;
    border-bottom: 1px solid #eef0f2 !important;
    color: var(--text) !important;
    text-decoration: none !important;
  }
  header .main-nav a:hover {
    background: rgba(204, 153, 0, 0.1) !important;
  }
  header .main-nav .menu-close-btn { display: block; }

  .header .navbar {
    position: fixed !important;
    top: 0;
    left: -320px;
    width: min(280px, 80vw);
    height: 100%;
    background: #ffffff;
    padding: 20px 18px 24px;
    box-shadow: 10px 0 34px rgba(0, 0, 0, 0.16);
    overflow-y: auto;
    z-index: 1200;
    flex-direction: column !important;
    align-items: stretch !important;
  }
  .header .navbar.open {
    left: 0;
  }
  .header .navbar .logo,
  .header .navbar .apply-btn {
    display: none !important;
  }
  .header .navbar .nav-links {
    display: flex !important;
    flex-direction: column !important;
    gap: 0 !important;
    margin-top: 22px;
  }
  .header .navbar .nav-links a {
    padding: 14px 12px !important;
    border-bottom: 1px solid #eef0f2 !important;
    color: var(--text) !important;
    display: block !important;
  }
  .header .navbar .nav-links a:hover {
    background: rgba(204, 153, 0, 0.1) !important;
  }
  .header .navbar .menu-close-btn { display: block; }
}

/* Extra small screens: keep horizontal but allow slightly tighter spacing */
@media (max-width: 420px){
  header .main-nav a, nav.main-nav a { padding:8px 10px !important; font-size:14px }
}

/* Hero adjustments */
.hero{padding:clamp(40px,8vw,100px) 0}
.hero .container{text-align:center}
.hero h2{font-size:clamp(1.6rem,4vw,2.8rem)}
.hero p{font-size:clamp(1rem,2.2vw,1.2rem)}

/* Responsive grids */
.pillars-grid, .faculties-grid, .campus-stats, .events-container{display:grid;grid-gap:20px}
.pillars-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.faculties-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.campus-stats{grid-template-columns:repeat(auto-fit,minmax(140px,1fr))}
.events-container{grid-template-columns:1fr}

/* Cards and form */
.pillar-card, .faculty-card, .card{overflow:hidden}
.form-card{width:100%;}
.form-grid{grid-gap:14px}

/* Make forms and tables fluid on small screens */
form input, form select, form textarea, .form-card input, .form-card select, .form-card textarea{width:100%;box-sizing:border-box}
.responsive-table{width:100%;overflow:auto}
.responsive-table table{width:100%;border-collapse:collapse}
.responsive-table th, .responsive-table td{padding:8px;border:1px solid #eee;text-align:left}

/* Larger touch targets for mobile */
.btn, .btn-primary{padding:10px 14px}

/* Utility: hide/show helpers */
.hide-mobile{display:block}
@media (max-width:700px){.hide-mobile{display:none}}

/* Off-canvas sidebar for portal pages */
@media (max-width: 900px) {
  .sidebar { 
    position: fixed !important;
    left: -320px; 
    top: 0; 
    height: 100%; 
    width: 280px; 
    z-index: 1500; 
    transition: left .28s ease; 
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
    overflow-y: auto;
  }
  .sidebar.open { left: 0; z-index: 1500; }

  .sidebar-backdrop { display: none; pointer-events: none; }
  .sidebar-backdrop.visible { display: block; position:fixed; inset:0; background: rgba(0,0,0,0.45); z-index:1200; pointer-events: auto; }

  .main-content { margin-left: 0 !important; padding: 12px; }
  .menu-toggle-btn { display: inline-flex; align-items:center; justify-content:center; width:44px; height:44px; border-radius:8px; background:#fff; color:var(--primary-brown); cursor:pointer; border:0; box-shadow:0 4px 10px rgba(0,0,0,0.08); }
  .logo h1 { font-size:1rem; }
}

/* Fixed placement for generated mobile menu button */
@media (max-width:900px){
  .menu-toggle-btn{ position: fixed; left: 12px; top: 12px; z-index: 1400; }
  .menu-toggle-btn.open { display: none !important; }
}

/* Ensure nav sits above backdrop and is clickable */
header .main-nav, header .navbar, nav.main-nav, nav.navbar {
  z-index: 1350 !important;
}
.sidebar-backdrop {
  z-index: 1300 !important;
  display: none;
  opacity: 0;
  transition: opacity .25s ease;
}
.sidebar-backdrop.visible {
  display: block;
  opacity: 1;
  pointer-events: auto;
}
/* guarantee links accept clicks when menu is open */
header .main-nav a, nav.main-nav a, nav.navbar a { pointer-events: auto !important; }

/* Modal inner container responsiveness */
.modal .modal-inner { width:95%; max-width:820px; margin:28px auto; background:#fff; border-radius:8px; overflow:auto; max-height:calc(100vh - 80px); padding:16px; }

/* Demo banner: hide on very small devices to avoid overlap */
@media (max-width:420px){ .demo-banner { display:none !important } }

/* Footer */
.page-footer {
  background-color: var(--primary-blue) !important;
  color: #fff !important;
  padding: 60px 0 20px;
}

/* Special brown footer for select public pages */
.page-footer.footer-brown {
  background-color: #8b4513 !important;
  color: #fff !important;
}
.page-footer.footer-brown .footer-links a {
  color: #f3e6db !important;
}
.page-footer .footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}
.page-footer .footer-column h4 {
  font-size: 1.2rem;
  margin-bottom: 20px;
  color: #fff;
  position: relative;
  padding-bottom: 10px;
}
.page-footer .footer-column h4:after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 2px;
  background-color: var(--secondary-gold);
}
.page-footer .footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.page-footer .footer-links a {
  color: #ccc !important;
  transition: color 0.3s;
  text-decoration: none !important;
}
.page-footer .footer-links a:hover {
  color: var(--secondary-gold) !important;
}
.page-footer .copyright {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.1);
  color: #aaa;
  font-size: 0.9rem;
}
.accreditation-block{display:flex;flex-direction:column;gap:10px}
.accreditation-entry{display:flex;align-items:center;gap:12px}
.accreditation-badge{width:54px;height:54px;border-radius:50%;overflow:hidden;border:2px solid rgba(255,255,255,0.3);background:#fff;flex-shrink:0}
.accreditation-badge img{display:block;width:100%;height:100%;object-fit:cover;border-radius:inherit}
.accreditation-label{font-size:0.95rem;line-height:1.3;color:inherit}
@media (max-width: 992px) {
  .page-footer .footer-content {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 768px) {
  .page-footer .footer-content {
    grid-template-columns: 1fr;
  }
}

/* Small screens tweaks */
@media (max-width: 900px){
  .hero{padding:40px 0}
  .video-placeholder{height:320px}
}
@media (max-width: 600px){
  body{font-size:15px}
  .hero{padding:28px 0}
  .main-nav ul{gap:8px}
}

/* Utility */
.text-center{text-align:center}
.btn, .btn-primary{border-radius:8px}