/* Liquid Glass & Organic Green Theme - MHPN Department */
@import url('https://fonts.googleapis.com/css2?family=Mitr:wght@300;400;500;600&family=Prompt:wght@300;400;500;600&display=swap');

:root {
  --font-heading: 'Mitr', sans-serif;
  --font-body: 'Prompt', sans-serif;

  /* Organic Sage/Mint Palette */
  --primary: #2d4a3e; /* Deep sage */
  --primary-light: #678a76; /* Soft sage */
  --primary-glow: rgba(163, 177, 138, 0.3);
  --secondary: #b89d70; /* Warm Earthy Sand/Bronze */ /* Warm earthy accent */
  
  --background: #f2f3ee; /* Very soft green-tinted white */
  --surface: rgba(255, 255, 255, 0.6); /* Glass surface */
  --surface-border: rgba(255, 255, 255, 0.8);
  
  --text-main: #1f362b; /* Dark forest green */
  --text-muted: #588157;
  --text-inverse: #ffffff;

  --radius-sm: 16px;
  --radius-md: 24px;
  --radius-lg: 32px;
  --radius-full: 9999px;
  
  --transition: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-glass: 0 8px 32px rgba(52, 78, 65, 0.08);
  --shadow-glass-hover: 0 12px 40px rgba(52, 78, 65, 0.15);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: var(--font-body); color: var(--text-main); background-color: var(--background); overflow-x: hidden; }

/* Override Centralized Header Color for MHPN */
.site-header, .site-footer {
  background: linear-gradient(135deg, #1f362b 0%, #2d4a3e 100%) !important;
}
.site-header::after, .site-footer::before {
  background: #a3b18a !important;
}
.navbar {
  background: #344e41 !important;
}

/* Organic Background Wrapper */
.organic-bg {
  position: relative;
  background-color: #e9eee9;
  overflow: hidden;
  padding: 4rem 0 6rem;
  max-width: var(--container-max);
  margin: 0 auto;
}
.organic-bg::before, .organic-bg::after {
  content: '';
  position: absolute;
  width: 100%;
  left: 0;
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
  z-index: 0;
}
/* Top Wave */
.organic-bg::before {
  top: -2px;
  height: 150px;
  background-image: url('data:image/svg+xml;utf8,<svg viewBox="0 0 1440 320" xmlns="http://www.w3.org/2000/svg"><path fill="%23f4f6f4" fill-opacity="1" d="M0,128L48,138.7C96,149,192,171,288,160C384,149,480,107,576,106.7C672,107,768,149,864,165.3C960,181,1056,171,1152,144C1248,117,1344,75,1392,53.3L1440,32L1440,0L1392,0C1344,0,1248,0,1152,0C1056,0,960,0,864,0C768,0,672,0,576,0C480,0,384,0,288,0C192,0,96,0,48,0L0,0Z"></path></svg>');
}
/* Bottom Wave */
.organic-bg::after {
  bottom: -2px;
  height: 150px;
  background-image: url('data:image/svg+xml;utf8,<svg viewBox="0 0 1440 320" xmlns="http://www.w3.org/2000/svg"><path fill="%23f4f6f4" fill-opacity="1" d="M0,256L48,229.3C96,203,192,149,288,154.7C384,160,480,224,576,218.7C672,213,768,139,864,128C960,117,1056,171,1152,197.3C1248,224,1344,224,1392,224L1440,224L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>');
}

/* Liquid Glass Classes */
.liquid-glass {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-glass);
  position: relative;
  z-index: 1;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
  position: relative;
  z-index: 1;
}

/* Hero Section */
.hero-wrapper {
  text-align: center;
  margin-bottom: 3rem;
}
.hero-title {
  font-family: var(--font-heading);
  color: var(--text-main);
  font-size: 2.8rem;
  margin-bottom: 1rem;
  line-height: 1.2;
}
.hero-subtitle {
  color: var(--text-muted);
  font-size: 1.15rem;
  max-width: 700px;
  margin: 0 auto;
  line-height: 1.8;
}

/* Glass Slider */
.slider-container {
  width: 100%;
  height: 400px;
  overflow: hidden;
  border-radius: var(--radius-lg);
  margin-bottom: 4rem;
  padding: 1rem;
}
.slider-inner {
  width: 100%;
  height: 100%;
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
}
.slide {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background-size: cover; background-position: center;
  opacity: 0; transition: opacity 1s ease-in-out;
}
.slide.active { opacity: 1; }

/* Bento Grid */
.home-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  margin-bottom: 4rem;
}
.bento-card {
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-decoration: none;
  transition: transform 0.2s ease-out, box-shadow 0.2s ease-out; backface-visibility: hidden;
}
.bento-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-glass-hover);
}
.bento-card h3 {
  font-family: var(--font-heading);
  color: var(--text-main);
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}
.bento-card .subtitle {
  color: var(--primary);
  font-weight: 500;
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}
.bento-card p {
  color: var(--text-muted);
  line-height: 1.7;
  font-size: 0.95rem;
}

/* Glass Icon Badge */
.icon-badge {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(163, 177, 138, 0.2);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  /* backdrop-filter: blur(8px); removed for perf */
  border: 1px solid rgba(255, 255, 255, 0.5);
}
.icon-badge svg { width: 32px; height: 32px; }

/* Glass Button */
.glass-btn-wrapper {
  text-align: center;
  margin-top: 3rem;
}
.glass-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 1rem 2.5rem;
  font-family: var(--font-heading);
  font-size: 1.2rem;
  color: var(--text-main);
  text-decoration: none;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: var(--radius-full);
  box-shadow: 0 4px 15px rgba(52, 78, 65, 0.05);
  transition: all var(--transition);
}
.glass-btn:hover {
  background: var(--surface-border);
  transform: scale(1.05);
  box-shadow: 0 8px 25px rgba(52, 78, 65, 0.15);
}
.glass-btn svg { width: 24px; height: 24px; }


/* Liquid Glass Header */
.site-header, .navbar {
  background: linear-gradient(135deg, #1f362b 0%, #2d4a3e 100%) !important;
  border-bottom: 1px solid rgba(0,0,0,0.1) !important;
}
.site-header::after { display: none !important; }

.header-faculty-name, .header-univ-name { color: rgba(255,255,255,0.85) !important; }
.nav-link { color: #ffffff !important; font-weight: 500 !important; text-shadow: 0 1px 4px rgba(0,0,0,0.4) !important; }
.nav-link:hover, .nav-link.active { color: #ffffff !important; background: rgba(255, 255, 255, 0.15) !important; }
.nav-link::after { background: #ffffff !important; }
.navbar-brand { color: #ffffff !important; text-shadow: 0 1px 4px rgba(0,0,0,0.2) !important; }
.bento-card { background: #ffffff; border-radius: var(--radius-lg); border: 1px solid var(--surface-border); box-shadow: var(--shadow-glass); }
.slider-container { background: #ffffff; border: 1px solid var(--surface-border); box-shadow: var(--shadow-glass); }


/* Scrolled Navbar Text Colors (White Glass Background) */
.navbar.scrolled .nav-link {
  color: #344e41 !important; /* Forest green */
  text-shadow: none !important;
}
.navbar.scrolled .nav-link:hover, .navbar.scrolled .nav-link.active {
  color: #588157 !important;
  background: rgba(88, 129, 87, 0.1) !important;
}
.navbar.scrolled .nav-link::after {
  background: #588157 !important;
}
.navbar.scrolled .navbar-brand {
  color: #344e41 !important;
}

/* Adjust Header Text Size */
.header-dept-name { 
  font-size: clamp(16px, 2vw, 22px) !important; 
  font-weight: 500 !important; text-shadow: 0 1px 4px rgba(0,0,0,0.4) !important;
}


/* Glass Text Box */
.header-dept-name { 
  display: inline-block !important; text-align: center !important;
  color: #ffffff !important; 
  padding: 10px 24px !important;
  background: rgba(255, 255, 255, 0.15) !important;
  backdrop-filter: blur(12px) !important;
  -webkit-backdrop-filter: blur(12px) !important;
  border: 1px solid rgba(255, 255, 255, 0.3) !important;
  border-radius: var(--radius-full) !important;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1) !important;
  text-shadow: 0 1px 2px rgba(0,0,0,0.2) !important;
}






/* Responsive Mobile Menu matching Header */
.mobile-nav-panel {
  background: linear-gradient(135deg, rgba(31, 54, 43, 0.7) 0%, rgba(45, 74, 62, 0.7) 100%) !important;
  backdrop-filter: blur(25px) saturate(180%) !important;
  -webkit-backdrop-filter: blur(25px) saturate(180%) !important;
}
.mobile-nav-header {
  background: rgba(0,0,0,0.1) !important;
}

@media (max-width: 768px) {
  .header-dept-name {
    white-space: normal !important;
    word-wrap: break-word !important;
    line-height: 1.3 !important;
    max-width: 100%;
    font-size: 13px !important;
    padding: 6px 14px !important;
    border-radius: 12px !important;
  }
}



/* White content background to contrast with body background */
main.site-main {
  background: var(--surface, #ffffff);
  max-width: var(--container-max, 1180px);
  margin: 0 auto;
  box-shadow: 0 0 40px rgba(0, 0, 0, 0.06);
}