/* Fonts */
@font-face {
  font-family: Outfit;
  src: url("assets/Outfit-Regular.otf") format("opentype");
}

* {
  font-family: Outfit;
}

/* CSS Custom Properties */
:root {
  /* Colors */
  --primary-bg: #0a0a0f;
  --secondary-bg: #1a1a2e;
  --tertiary-bg: #16213e;
  --accent-blue: #00d4ff;
  --accent-cyan: #00ffff;
  --accent-purple: #8b5cf6;
  --accent-green: #00ff88;
  --text-primary: #ffffff;
  --text-secondary: #b0b0b0;
  --text-muted: #888888;

  /* Typography */
  --font-family: "Inter", sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 0.75rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Shadows & Effects */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
  --glow-blue: 0 0 20px rgba(0, 212, 255, 0.3);
  --glow-cyan: 0 0 20px rgba(0, 255, 255, 0.3);
  --glow-purple: 0 0 20px rgba(139, 92, 246, 0.3);
  --glow-green: 0 0 20px rgba(0, 255, 136, 0.3);

  /* Borders */
  --border-radius-sm: 0.375rem;
  --border-radius-md: 0.5rem;
  --border-radius-lg: 0.75rem;
  --border-radius-xl: 1rem;
  --border-radius-full: 9999px;
}

/* Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-family);
  background-color: var(--primary-bg);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.section {
  padding: var(--spacing-3xl) 0;
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(10, 10, 15, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0, 212, 255, 0.2);
  z-index: 1000;
  transition: all var(--transition-normal);
}

.navbar.scrolled {
  background: rgba(10, 10, 15, 0.98);
  box-shadow: var(--shadow-lg);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) var(--spacing-lg);
  max-width: 1200px;
  margin: 0 auto;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--accent-blue);
}

/* Navigation Logo Container */
.logo-container {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.university-logo,
.department-logo {
  height: 40px;
  width: auto;
  transition: all var(--transition-normal);
  filter: drop-shadow(0 0 5px rgba(0, 212, 255, 0.3));
}

.university-logo:hover,
.department-logo:hover {
  transform: scale(1.05);
  filter: drop-shadow(0 0 10px rgba(0, 212, 255, 0.5));
}

.logo-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.department-name {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--accent-blue);
  line-height: 1.2;
}

.university-name {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--text-secondary);
  line-height: 1.2;
}

.nav-logo i {
  font-size: var(--font-size-2xl);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--spacing-xl);
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius-md);
  position: relative;
  transition: all var(--transition-normal);
}

.pyfuse-link {
  color: #00d4ff;
  border: dotted 1px;
  margin-top: 1rem;
  padding: 10px;
}

.nav-link:hover,
.nav-link.active {
  color: var(--accent-blue);
  background: rgba(0, 212, 255, 0.1);
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--accent-blue);
  transition: all var(--transition-normal);
  transform: translateX(-50%);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 80%;
}

.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 4px;
}

.bar {
  width: 25px;
  height: 3px;
  background: var(--text-primary);
  transition: all var(--transition-normal);
}

/* Hero Section */
.hero {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    135deg,
    var(--primary-bg) 0%,
    var(--secondary-bg) 50%,
    var(--tertiary-bg) 100%
  );
}

.floating-shapes {
  position: absolute;
  width: 100%;
  height: 100%;
}

.shape {
  position: absolute;
  border-radius: 50%;
  opacity: 0.1;
  animation: float 20s infinite ease-in-out;
}

.shape-1 {
  width: 100px;
  height: 100px;
  background: var(--accent-blue);
  top: 20%;
  left: 10%;
  animation-delay: 0s;
}

.shape-2 {
  width: 150px;
  height: 150px;
  background: var(--accent-purple);
  top: 60%;
  right: 15%;
  animation-delay: 5s;
}

.shape-3 {
  width: 80px;
  height: 80px;
  background: var(--accent-cyan);
  bottom: 30%;
  left: 20%;
  animation-delay: 10s;
}

.shape-4 {
  width: 120px;
  height: 120px;
  background: var(--accent-green);
  top: 40%;
  right: 30%;
  animation-delay: 15s;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0) rotate(0deg);
  }
  33% {
    transform: translateY(-30px) rotate(120deg);
  }
  66% {
    transform: translateY(30px) rotate(240deg);
  }
}

.hero-content {
  text-align: center;
  z-index: 2;
  max-width: 800px;
  padding: 0 var(--spacing-lg);
}

/* Hero Logos */
.hero-logos {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
  animation: fadeIn 1.5s ease-out;
}

.hero-university-logo,
.hero-department-logo {
  height: 80px;
  width: auto;
  transition: all var(--transition-slow);
  filter: drop-shadow(0 0 15px rgba(0, 212, 255, 0.4));
  animation: logoFloat 3s ease-in-out infinite;
}

.hero-university-logo {
  animation-delay: 0s;
}

.hero-department-logo {
  animation-delay: 1s;
}

.hero-university-logo:hover,
.hero-department-logo:hover {
  transform: scale(1.1) rotateY(10deg);
  filter: drop-shadow(0 0 25px rgba(0, 212, 255, 0.7));
}

@keyframes logoFloat {
  0%,
  100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-10px);
  }
}

/* Hero Title */
.hero-title {
  font-size: var(--font-size-5xl);
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
  background: linear-gradient(
    135deg,
    var(--accent-blue),
    var(--accent-purple),
    pink,
    indigo
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: slideInUp 1s ease-out;
}

.title-line {
  display: block;
  /* animation: slideInUp 1s ease-out forwards; */
  /* font-size: 3rem; */
  opacity: 0;
}

.title-line:first-child {
  animation-delay: 0.2s;
}

.title-line:last-child {
  animation-delay: 0.4s;
}

/* Hero Subtitle */
.hero-subtitle {
  font-size: var(--font-size-xl);
  color: var(--accent-purple);
  margin-bottom: var(--spacing-md);
  animation: slideInUp 1s ease-out 0.6s both;
}

/* Hero Description */
.hero-description {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-2xl);
  animation: slideInUp 1s ease-out 0.8s both;
}

/* Hero Buttons */
.hero-buttons {
  display: flex;
  gap: var(--spacing-lg);
  justify-content: center;
  flex-wrap: wrap;
  animation: slideInUp 1s ease-out 1s both;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--font-size-base);
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--border-radius-lg);
  transition: all var(--transition-normal);
  cursor: pointer;
  border: none;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  color: var(--primary-bg);
  box-shadow: var(--glow-blue);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(0, 212, 255, 0.5);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 2px solid var(--accent-purple);
}

.btn-secondary:hover {
  background: var(--accent-purple);
  color: var(--primary-bg);
  box-shadow: var(--glow-purple);
  transform: translateY(-2px);
}

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  animation: bounce 2s infinite;
}

.scroll-arrow {
  width: 2px;
  height: 30px;
  background: var(--accent-blue);
  position: relative;
}

.scroll-arrow::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: -4px;
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--accent-blue);
  border-bottom: 2px solid var(--accent-blue);
  transform: rotate(45deg);
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes bounce {
  0%,
  20%,
  50%,
  80%,
  100% {
    transform: translateX(-50%) translateY(0);
  }
  40% {
    transform: translateX(-50%) translateY(-10px);
  }
  60% {
    transform: translateX(-50%) translateY(-5px);
  }
}

/* Section Headers */
.section-header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.section-title {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* About Section */
.about-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--spacing-3xl);
  align-items: start;
}

.about-item {
  display: flex;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-2xl);
  padding: var(--spacing-lg);
  background: rgba(26, 26, 46, 0.5);
  border-radius: var(--border-radius-lg);
  border: 1px solid rgba(0, 212, 255, 0.2);
  transition: all var(--transition-normal);
}

.about-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--glow-blue);
  border-color: var(--accent-blue);
}

.about-icon {
  min-width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  border-radius: var(--border-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xl);
  color: var(--primary-bg);
}

.about-info h3 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.about-info p {
  color: var(--text-secondary);
  line-height: 1.7;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
}

.stat-item {
  text-align: center;
  padding: var(--spacing-lg);
  background: rgba(26, 26, 46, 0.5);
  border-radius: var(--border-radius-lg);
  border: 1px solid rgba(139, 92, 246, 0.2);
  transition: all var(--transition-normal);
}

.stat-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--glow-purple);
  border-color: var(--accent-purple);
}

.stat-number {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--accent-purple);
  margin-bottom: var(--spacing-sm);
}

.stat-label {
  color: var(--text-secondary);
  font-weight: 500;
}

/* Programs Section */
.programs {
  background: rgba(26, 26, 46, 0.3);
}

.programs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-xl);
}

.program-card {
  background: rgba(22, 33, 62, 0.7);
  border-radius: var(--border-radius-xl);
  padding: var(--spacing-xl);
  border: 1px solid rgba(0, 212, 255, 0.2);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.program-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));
  transform: scaleX(0);
  transition: transform var(--transition-normal);
}

.program-card:hover::before {
  transform: scaleX(1);
}

.program-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--glow-blue);
  border-color: var(--accent-blue);
}

.card-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  border-radius: var(--border-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-2xl);
  color: var(--primary-bg);
  margin-bottom: var(--spacing-lg);
}

.program-card h3 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

.program-card p {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
  line-height: 1.7;
}

.course-list {
  list-style: none;
}

.course-list li {
  padding: var(--spacing-sm) 0;
  color: var(--text-secondary);
  position: relative;
  padding-left: var(--spacing-lg);
}

.course-list li::before {
  content: "▶";
  position: absolute;
  left: 0;
  color: var(--accent-cyan);
  font-size: var(--font-size-sm);
}

/* Faculty Section */
.faculty-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
}

.faculty-card {
  background: rgba(22, 33, 62, 0.7);
  border-radius: var(--border-radius-xl);
  padding: var(--spacing-xl);
  text-align: center;
  border: 1px solid rgba(139, 92, 246, 0.2);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.faculty-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-purple), var(--accent-blue));
  transform: scaleX(0);
  transition: transform var(--transition-normal);
}

.faculty-card:hover::before {
  transform: scaleX(1);
}

.faculty-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--glow-purple);
  border-color: var(--accent-purple);
}

.faculty-image {
  margin-bottom: var(--spacing-lg);
}

.image-placeholder {
  width: 120px;
  height: 120px;
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
  font-size: var(--font-size-3xl);
  color: var(--primary-bg);
}

.staff-img {
  width: 120px;
  height: 120px;
  object-fit: cover;
  border-radius: 50%;
  border: 3px solid rgba(139, 92, 246, 0.5);
  transition: all var(--transition-normal);
  margin: 0 auto;
  display: block;
}

.faculty-card:hover .staff-img {
  border-color: var(--accent-purple);
  transform: scale(1.05);
  box-shadow: 0 0 20px rgba(139, 92, 246, 0.4);
}

.faculty-info h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.faculty-title {
  color: var(--accent-purple);
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.faculty-specialization {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-lg);
}

.faculty-contact {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
}

.faculty-contact a {
  width: 40px;
  height: 40px;
  background: rgba(139, 92, 246, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-purple);
  text-decoration: none;
  transition: all var(--transition-normal);
}

.faculty-contact a:hover {
  background: var(--accent-purple);
  color: var(--primary-bg);
  transform: translateY(-2px);
}

/* Research Section */
.research {
  background: rgba(26, 26, 46, 0.3);
}

.research-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
}

.research-areas h3,
.publications h3 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-xl);
  color: var(--accent-green);
}

.research-item {
  display: flex;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  padding: var(--spacing-lg);
  background: rgba(22, 33, 62, 0.7);
  border-radius: var(--border-radius-lg);
  border: 1px solid rgba(0, 255, 136, 0.2);
  transition: all var(--transition-normal);
}

.research-item:hover {
  transform: translateX(10px);
  box-shadow: var(--glow-green);
  border-color: var(--accent-green);
}

.research-icon {
  min-width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--accent-green), var(--accent-cyan));
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-lg);
  color: var(--primary-bg);
}

.research-info h4 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.research-info p {
  color: var(--text-secondary);
  line-height: 1.7;
}

.publication-item {
  display: flex;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  padding: var(--spacing-lg);
  background: rgba(22, 33, 62, 0.7);
  border-radius: var(--border-radius-lg);
  border: 1px solid rgba(0, 255, 136, 0.2);
  transition: all var(--transition-normal);
}

.publication-item:hover {
  transform: translateX(10px);
  box-shadow: var(--glow-green);
  border-color: var(--accent-green);
}

.publication-year {
  min-width: 60px;
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--accent-green);
}

.publication-details h4 {
  font-size: var(--font-size-base);
  margin-bottom: var(--spacing-xs);
  color: var(--text-primary);
}

.publication-details p {
  color: var(--accent-blue);
  font-style: italic;
  margin-bottom: var(--spacing-xs);
}

.publication-authors {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

/* News Section */
.news-slider {
  max-width: 1000px;
  margin: 0 auto;
}

.slider-container {
  position: relative;
  overflow: hidden;
  border-radius: var(--border-radius-xl);
  background: rgba(22, 33, 62, 0.7);
  border: 1px solid rgba(0, 212, 255, 0.2);
}

.news-slide {
  display: none;
  grid-template-columns: 1fr 2fr;
  min-height: 400px;
}

.news-slide.active {
  display: grid;
}

.news-image {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  display: flex;
  align-items: center;
  justify-content: center;
}

#nacos-image {
  background: url("./assets/nacos_day.jpg");
  background-position: center;
  background-size: 40rem;
  background-repeat: no-repeat;
}

.news-image .image-placeholder {
  width: 100px;
  height: 100px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-3xl);
  color: var(--primary-bg);
}

.news-content {
  padding: var(--spacing-2xl);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.news-date {
  color: var(--accent-cyan);
  font-size: var(--font-size-sm);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.news-content h3 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

.news-content p {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--spacing-lg);
}

.read-more {
  color: var(--accent-blue);
  text-decoration: none;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  transition: all var(--transition-normal);
}

.read-more:hover {
  color: var(--accent-cyan);
  transform: translateX(5px);
}

.slider-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.slider-btn {
  width: 50px;
  height: 50px;
  background: rgba(22, 33, 62, 0.7);
  border: 1px solid var(--accent-blue);
  border-radius: 50%;
  color: var(--accent-blue);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-lg);
  transition: all var(--transition-normal);
}

.slider-btn:hover {
  background: var(--accent-blue);
  color: var(--primary-bg);
  transform: scale(1.1);
}

.slider-dots {
  display: flex;
  gap: var(--spacing-sm);
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(0, 212, 255, 0.3);
  cursor: pointer;
  transition: all var(--transition-normal);
}

.dot.active {
  background: var(--accent-blue);
  transform: scale(1.2);
}

/* Contact Section */
.contact {
  background: rgba(26, 26, 46, 0.3);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  margin-bottom: var(--spacing-3xl);
}

.contact-item {
  display: flex;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  padding: var(--spacing-lg);
  background: rgba(22, 33, 62, 0.7);
  border-radius: var(--border-radius-lg);
  border: 1px solid rgba(0, 255, 255, 0.2);
  transition: all var(--transition-normal);
}

.contact-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--glow-cyan);
  border-color: var(--accent-cyan);
}

.contact-icon {
  min-width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-lg);
  color: var(--primary-bg);
}

.contact-details h4 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.contact-details p {
  color: var(--text-secondary);
  line-height: 1.7;
}

.contact-form-container {
  background: rgba(22, 33, 62, 0.7);
  padding: var(--spacing-2xl);
  border-radius: var(--border-radius-xl);
  border: 1px solid rgba(0, 255, 255, 0.2);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.form-group {
  position: relative;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--spacing-md);
  background: rgba(10, 10, 15, 0.7);
  border: 2px solid rgba(0, 255, 255, 0.3);
  border-radius: var(--border-radius-md);
  color: var(--text-primary);
  font-size: var(--font-size-base);
  transition: all var(--transition-normal);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-cyan);
  box-shadow: var(--glow-cyan);
}

.form-group label {
  position: absolute;
  top: var(--spacing-md);
  left: var(--spacing-md);
  color: var(--text-secondary);
  font-size: var(--font-size-base);
  pointer-events: none;
  transition: all var(--transition-normal);
}

.form-group input:focus + label,
.form-group textarea:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group textarea:not(:placeholder-shown) + label {
  top: -10px;
  left: var(--spacing-sm);
  font-size: var(--font-size-sm);
  color: var(--accent-cyan);
  background: var(--primary-bg);
  padding: 0 var(--spacing-xs);
}

.map-container {
  border-radius: var(--border-radius-xl);
  overflow: hidden;
  border: 1px solid rgba(0, 255, 255, 0.2);
}

/* Footer */
.footer {
  background: var(--secondary-bg);
  border-top: 1px solid rgba(0, 212, 255, 0.2);
  padding-block: 4rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-xl);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--accent-blue);
  margin-bottom: var(--spacing-md);
}

/* Footer Logo Container */
.footer-logo-container {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.footer-university-logo,
.footer-department-logo {
  height: 35px;
  width: auto;
  transition: all var(--transition-normal);
  filter: drop-shadow(0 0 3px rgba(0, 212, 255, 0.2));
}

.footer-university-logo:hover,
.footer-department-logo:hover {
  transform: scale(1.05);
  filter: drop-shadow(0 0 8px rgba(0, 212, 255, 0.4));
}

.footer-logo-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.footer-department-name {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--accent-blue);
  line-height: 1.2;
}

.footer-university-name {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--text-secondary);
  line-height: 1.2;
}

.footer-section p {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--spacing-lg);
}

.footer-section h4 {
  color: var(--text-primary);
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-md);
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: var(--spacing-sm);
}

.footer-section ul li a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition-normal);
}

.footer-section ul li a:hover {
  color: var(--accent-blue);
}

.social-links {
  display: flex;
  gap: var(--spacing-md);
}

.social-links a {
  width: 40px;
  height: 40px;
  background: rgba(0, 212, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-blue);
  text-decoration: none;
  transition: all var(--transition-normal);
}

.social-links a:hover {
  background: var(--accent-blue);
  color: var(--primary-bg);
  transform: translateY(-2px);
}

.contact-info-footer p {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
  color: var(--text-secondary);
}

.contact-info-footer i {
  color: var(--accent-cyan);
  width: 20px;
}

.footer-bottom {
  border-top: 1px solid rgba(0, 212, 255, 0.2);
  padding-top: var(--spacing-lg);
  text-align: center;
  color: var(--text-secondary);
}

/* Floating Chat */
.floating-chat {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 1000;
}

.chat-button {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xl);
  color: var(--primary-bg);
  cursor: pointer;
  box-shadow: var(--glow-blue);
  transition: all var(--transition-normal);
  animation: pulse 2s infinite;
}

.chat-button:hover {
  transform: scale(1.1);
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(0, 212, 255, 0.7);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(0, 212, 255, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(0, 212, 255, 0);
  }
}

.chat-panel {
  position: absolute;
  bottom: 80px;
  right: 0;
  width: 600px;
  height: 400px;
  background: rgba(22, 33, 62, 0.95);
  backdrop-filter: blur(10px);
  border-radius: var(--border-radius-xl);
  border: 1px solid rgba(0, 212, 255, 0.3);
  box-shadow: var(--glow-blue);
  transform: scale(0);
  transform-origin: bottom right;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.chat-panel.active {
  transform: scale(1);
  height: 500px;
}

.chat-header {
  padding: var(--spacing-md);
  border-bottom: 1px solid rgba(0, 212, 255, 0.2);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.chat-header h4 {
  color: var(--text-primary);
  font-size: var(--font-size-base);
}

.chat-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: var(--font-size-lg);
  transition: color var(--transition-normal);
}

.chat-close:hover {
  color: var(--accent-blue);
}

.chat-messages {
  flex: 1;
  padding: var(--spacing-md);
  overflow-y: auto;
  font-size: 1rem;
}

.message {
  margin-bottom: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius-md);
  max-width: 80%;
  overflow-x: scroll;
}

/* Create a slim scrollbar */
::-webkit-scrollbar {
  width: 4px;
  height: 4px;
}

::-webkit-scrollbar-thumb {
  background: rgba(139, 92, 246, 0.3);
  border-radius: var(--border-radius-lg);
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(139, 92, 246, 0.5);
}

.bot-message {
  background: rgba(0, 212, 255, 0.2);
  color: var(--text-primary);
  margin-right: auto;
}

.user-message {
  background: rgba(139, 92, 246, 0.2);
  color: var(--text-primary);
  margin-left: auto;
}

.chat-input-container {
  padding: var(--spacing-md);
  border-top: 1px solid rgba(0, 212, 255, 0.2);
  display: flex;
  gap: var(--spacing-sm);
}

.chat-input {
  flex: 1;
  padding: var(--spacing-sm);
  background: rgba(10, 10, 15, 0.7);
  border: 1px solid rgba(0, 212, 255, 0.3);
  border-radius: var(--border-radius-md);
  color: var(--text-primary);
  font-size: var(--font-size-sm);
}

.chat-input:focus {
  outline: none;
  border-color: var(--accent-blue);
}

.chat-send {
  padding: var(--spacing-sm);
  background: var(--accent-blue);
  border: none;
  border-radius: var(--border-radius-md);
  color: var(--primary-bg);
  cursor: pointer;
  transition: all var(--transition-normal);
}

.chat-send:hover {
  background: var(--accent-cyan);
}

/* Animations */
.fade-in {
  animation: fadeIn 1s ease-out forwards;
}

.slide-in-left {
  animation: slideInLeft 1s ease-out forwards;
}

.slide-in-right {
  animation: slideInRight 1s ease-out forwards;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Responsive Design */
@media (max-width: 1024px) {
  .about-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }

  .research-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }

  .contact-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }

  .programs-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  }
}

@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  /* Logo responsive styles */
  .logo-text {
    display: none;
  }

  .university-logo,
  .department-logo {
    height: 35px;
  }

  .hero-logos {
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
  }

  .hero-university-logo,
  .hero-department-logo {
    height: 60px;
  }

  .footer-logo {
    flex-direction: column;
    text-align: center;
    gap: var(--spacing-sm);
  }

  .footer-logo-text {
    align-items: center;
  }

  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    flex-direction: column;
    background-color: rgba(10, 10, 15, 0.98);
    width: 100%;
    text-align: center;
    transition: 0.3s;
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(10px);
    padding: var(--spacing-lg) 0;
  }

  .nav-menu.active {
    left: 0;
  }

  .nav-menu li {
    margin: var(--spacing-md) 0;
  }

  .hamburger.active .bar:nth-child(2) {
    opacity: 0;
  }

  .hamburger.active .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }

  .hamburger.active .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }

  .hero-title {
    font-size: var(--font-size-4xl);
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .section-title {
    font-size: var(--font-size-3xl);
  }

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

  .faculty-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }

  .news-slide {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .news-image {
    min-height: 200px;
  }

  .floating-chat {
    bottom: 1rem;
    right: 1rem;
  }

  .chat-panel {
    width: 280px;
    height: 350px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-md);
  }

  .nav-container {
    padding: var(--spacing-md);
  }

  /* Small mobile logo adjustments */
  .university-logo,
  .department-logo {
    height: 30px;
  }

  .hero-logos {
    gap: var(--spacing-md);
    /* flex-direction: column; */
  }

  .hero-university-logo,
  .hero-department-logo {
    height: 50px;
  }

  .footer-university-logo,
  .footer-department-logo {
    height: 28px;
  }

  .hero-title {
    font-size: var(--font-size-3xl);
  }

  .section-title {
    font-size: var(--font-size-2xl);
  }

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

  .stat-item {
    padding: var(--spacing-md);
  }

  .program-card,
  .faculty-card {
    padding: var(--spacing-lg);
  }

  .floating-chat {
    bottom: 0.5rem;
    right: 0.5rem;
  }

  .chat-button {
    width: 50px;
    height: 50px;
    font-size: var(--font-size-lg);
  }

  .chat-panel {
    width: calc(100vw - 1rem);
    height: 300px;
    right: 0.5rem;
  }
}

/* Print Styles */
@media print {
  .navbar,
  .floating-chat,
  .chat-panel {
    display: none !important;
  }

  .section {
    page-break-inside: avoid;
  }

  body {
    background: white !important;
    color: black !important;
  }
}