/* Enhanced CSS Variables with Gold Theme */
:root {
  --primary-color: #ffd700;
  --primary-dark: #b8860b;
  --primary-light: #ffed4a;
  --secondary-color: #ff6b35;
  --accent-color: #00ff88;
  --tertiary-color: #8a2be2;
  --quaternary-color: #00bcd4;
  --gold-color: #ffd700;
  --gold-light: #ffed4a;
  --gold-dark: #b8860b;
  --rose-gold: #e8b4a0;
  --bg-dark: #0a0a0a;
  --bg-darker: #050505;
  --bg-card: #111111;
  --bg-card-hover: #1a1a1a;
  --text-primary: #ffffff;
  --text-secondary: #b0b0b0;
  --text-accent: #ffd700;
  --gradient-primary: linear-gradient(135deg, #ffd700, #ffed4a);
  --gradient-secondary: linear-gradient(135deg, #ff6b35, #ffd700);
  --gradient-tertiary: linear-gradient(135deg, #8a2be2, #ffd700);
  --gradient-quaternary: linear-gradient(135deg, #00bcd4, #ffd700);
  --gradient-rose: linear-gradient(135deg, #e8b4a0, #ffd700);
  --gradient-dark: linear-gradient(135deg, #0a0a0a, #1a1a1a);
  --shadow-gold: 0 0 30px rgba(255, 215, 0, 0.4);
  --shadow-glow: 0 0 50px rgba(255, 215, 0, 0.2);
  --shadow-subtle: 0 5px 20px rgba(0, 0, 0, 0.3);
  --border-radius: 15px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Rajdhani', sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  cursor: none;
}

/* Custom Cursor */
.cursor-dot {
  width: 8px;
  height: 8px;
  background: var(--primary-color);
  border-radius: 50%;
  position: fixed;
  top: 0;
  left: 0;
  pointer-events: none;
  z-index: 9999;
  mix-blend-mode: difference;
  transition: transform 0.1s ease;
}

.cursor-outline {
  width: 40px;
  height: 40px;
  border: 2px solid rgba(255, 215, 0, 0.5);
  border-radius: 50%;
  position: fixed;
  top: 0;
  left: 0;
  pointer-events: none;
  z-index: 9998;
  transition: all 0.15s ease;
}

/* Loading Screen */
.loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: linear-gradient(135deg, var(--bg-darker), var(--bg-dark));
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 10000;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loading-screen.hidden {
  opacity: 0;
  visibility: hidden;
}

.loading-content {
  text-align: center;
}

.loading-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 15px;
  margin-bottom: 30px;
}

.loading-logo-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--bg-dark);
  animation: logoSpin 2s linear infinite;
}

.loading-logo-text {
  font-family: 'Orbitron', monospace;
  font-size: 3rem;
  font-weight: 900;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: logoGlow 2s ease-in-out infinite alternate;
}

@keyframes logoSpin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes logoGlow {
  from { filter: drop-shadow(0 0 20px rgba(255, 215, 0, 0.5)); }
  to { filter: drop-shadow(0 0 40px rgba(255, 215, 0, 0.8)); }
}

.loading-bar {
  width: 300px;
  height: 4px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 20px;
}

.loading-progress {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: 2px;
  animation: loadingProgress 3s ease-in-out;
  box-shadow: var(--shadow-gold);
}

@keyframes loadingProgress {
  from { width: 0%; }
  to { width: 100%; }
}

.loading-text {
  font-family: 'Space Mono', monospace;
  font-size: 1rem;
  color: var(--text-secondary);
  letter-spacing: 2px;
  animation: textPulse 1.5s ease-in-out infinite;
}

@keyframes textPulse {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

/* Background Animation */
.bg-animation {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: -1;
}

.neural-network {
  position: absolute;
  width: 100%;
  height: 100%;
  background-image: 
    radial-gradient(circle at 20% 20%, rgba(255, 215, 0, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(0, 255, 136, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 40% 60%, rgba(138, 43, 226, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 60% 40%, rgba(0, 188, 212, 0.1) 0%, transparent 50%);
  animation: networkPulse 15s ease-in-out infinite;
}

@keyframes networkPulse {
  0%, 100% { transform: scale(1) rotate(0deg); opacity: 0.8; }
  50% { transform: scale(1.1) rotate(2deg); opacity: 1; }
}

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

.floating-shapes::before,
.floating-shapes::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  animation: float 20s linear infinite;
}

.floating-shapes::before {
  width: 100px;
  height: 100px;
  background: linear-gradient(45deg, rgba(255, 215, 0, 0.15), rgba(0, 255, 136, 0.1));
  top: 10%;
  left: 10%;
  animation-delay: -5s;
}

.floating-shapes::after {
  width: 150px;
  height: 150px;
  background: linear-gradient(45deg, rgba(138, 43, 226, 0.1), rgba(255, 215, 0, 0.15));
  bottom: 20%;
  right: 20%;
  animation-delay: -10s;
}

@keyframes float {
  0% { transform: translateY(0px) rotate(0deg); }
  33% { transform: translateY(-20px) rotate(120deg); }
  66% { transform: translateY(10px) rotate(240deg); }
  100% { transform: translateY(0px) rotate(360deg); }
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 20px 0;
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 215, 0, 0.2);
  z-index: 1000;
  transition: var(--transition);
}

.navbar.scrolled {
  padding: 15px 0;
  background: rgba(5, 5, 5, 0.98);
  box-shadow: var(--shadow-gold);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 15px;
  text-decoration: none;
}

.nav-logo-icon {
  width: 50px;
  height: 50px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--bg-dark);
  transition: var(--transition);
  box-shadow: var(--shadow-gold);
}

.nav-logo:hover .nav-logo-icon {
  transform: scale(1.1) rotate(10deg);
  box-shadow: var(--shadow-glow);
}

.nav-logo-text {
  display: flex;
  flex-direction: column;
}

.logo-text {
  font-family: 'Orbitron', monospace;
  font-size: 1.8rem;
  font-weight: 900;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 2px;
  line-height: 1;
}

.logo-subtitle {
  font-size: 0.7rem;
  color: var(--text-secondary);
  letter-spacing: 3px;
  margin-top: 2px;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 40px;
  align-items: center;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 500;
  font-size: 1rem;
  padding: 10px 15px;
  border-radius: var(--border-radius);
  position: relative;
  transition: var(--transition);
  overflow: hidden;
}

.nav-link::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-primary);
  border-radius: var(--border-radius);
  opacity: 0;
  transition: var(--transition);
  z-index: -1;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--primary-color);
  transition: var(--transition);
}

.nav-link:hover::before,
.nav-link.active::before {
  opacity: 0.15;
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 80%;
  left: 10%;
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary-color);
  transform: translateY(-2px);
  text-shadow: 0 0 10px rgba(255, 215, 0, 0.3);
}

.nav-link i {
  font-size: 1.1rem;
}

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

.hamburger span {
  width: 25px;
  height: 3px;
  background: var(--primary-color);
  border-radius: 2px;
  transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

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

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding: 120px 0 60px;
}

.hero-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-text {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 1s ease 0.5s forwards;
}

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-title {
  font-family: 'Orbitron', monospace;
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 30px;
}

.title-line {
  display: block;
  font-size: 1.2rem;
  color: var(--text-secondary);
  font-weight: 400;
  letter-spacing: 2px;
}

.title-main {
  display: block;
  font-size: 4rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 3px;
  text-shadow: 0 0 30px rgba(255, 215, 0, 0.3);
}

.title-subtitle {
  display: block;
  font-size: 1.8rem;
  background: var(--gradient-secondary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 600;
  letter-spacing: 1px;
}

.typing-container {
  height: 50px;
  display: flex;
  align-items: center;
  margin-bottom: 30px;
}

.typing-text {
  font-size: 1.3rem;
  color: var(--accent-color);
  font-weight: 500;
  min-width: 250px;
}

.cursor-blink {
  font-size: 1.3rem;
  color: var(--primary-color);
  animation: blink 1s infinite;
  margin-left: 5px;
}

@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

.hero-description {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 40px;
}

.hero-buttons {
  display: flex;
  gap: 20px;
  margin-bottom: 50px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 30px;
  border: none;
  border-radius: var(--border-radius);
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s ease;
}

.btn:hover::before {
  left: 100%;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--bg-dark);
  box-shadow: var(--shadow-gold);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(255, 215, 0, 0.4);
}

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

.btn-secondary:hover {
  background: var(--primary-color);
  color: var(--bg-dark);
  transform: translateY(-3px);
  box-shadow: var(--shadow-gold);
}

.hero-stats {
  display: flex;
  gap: 40px;
}

.stat-item {
  text-align: left;
}

.stat-number {
  display: block;
  font-family: 'Orbitron', monospace;
  font-size: 2.5rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Hero Visual */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  opacity: 0;
  animation: fadeIn 1s ease 1s forwards;
}

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

.logo-showcase {
  position: relative;
  width: 350px;
  height: 350px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.main-logo {
  width: 300px;
  height: 300px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  color: var(--bg-dark);
  position: relative;
  z-index: 2;
  animation: logoFloat 8s ease-in-out infinite;
  box-shadow: var(--shadow-glow);
}

@keyframes logoFloat {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(5deg); }
}

.logo-rings {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.logo-ring {
  position: absolute;
  border-radius: 50%;
  border: 2px solid var(--primary-color);
  opacity: 0.3;
}

/* .logo-ring-1 {
  width: 280px;
  height: 280px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation: rotateClockwise 15s linear infinite;
} */

.logo-ring-2 {
  width: 320px;
  height: 320px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation: rotateCounterClockwise 20s linear infinite;
  border-color: var(--tertiary-color);
}

.logo-ring-3 {
  width: 360px;
  height: 360px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation: rotateClockwise 25s linear infinite;
  border-color: var(--accent-color);
}

@keyframes rotateClockwise {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

@keyframes rotateCounterClockwise {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to { transform: translate(-50%, -50%) rotate(-360deg); }
}

/* Department Section */
.department {
  padding: 100px 0;
  background: var(--gradient-dark);
  position: relative;
}

.dept-content {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 60px;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.dept-logo-container {
  display: flex;
  justify-content: center;
  position: relative;
}

.dept-logo {
  width: 150px;
  height: 150px;
  background: var(--gradient-quaternary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: var(--bg-dark);
  position: relative;
  animation: deptLogoPulse 8s ease-in-out infinite;
  box-shadow: var(--shadow-glow);
}

.dept-logo::before {
  content: '';
  position: absolute;
  width: 120%;
  height: 120%;
  border: 3px solid var(--primary-color);
  border-radius: 50%;
  opacity: 0.3;
  animation: ripplePulse 3s ease-out infinite;
}

.dept-logo::after {
  content: '';
  position: absolute;
  width: 140%;
  height: 140%;
  border: 2px solid var(--accent-color);
  border-radius: 50%;
  opacity: 0.2;
  animation: ripplePulse 3s ease-out infinite 1s;
}

@keyframes deptLogoPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

@keyframes ripplePulse {
  0% { transform: scale(0.8); opacity: 0.5; }
  100% { transform: scale(1.2); opacity: 0; }
}

.dept-info {
  opacity: 0;
  transform: translateX(50px);
  animation: slideInRight 1s ease forwards;
  animation-delay: 0.5s;
}

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

.dept-title {
  font-family: 'Orbitron', monospace;
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 20px;
  line-height: 1.3;
}

.highlight {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.dept-description p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 30px;
  line-height: 1.7;
}

.tech-stack {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
}

.tech-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 18px;
  background: rgba(255, 215, 0, 0.1);
  border: 1px solid var(--primary-color);
  border-radius: var(--border-radius);
  font-weight: 500;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.tech-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--gradient-primary);
  transition: left 0.3s ease;
  z-index: -1;
}

.tech-item:hover::before {
  left: 0;
}

.tech-item:hover {
  color: var(--bg-dark);
  transform: translateY(-3px);
  box-shadow: var(--shadow-gold);
}

/* Section Styling */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-title {
  font-family: 'Orbitron', monospace;
  font-size: 2.5rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 15px;
  position: relative;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 3px;
  background: var(--gradient-primary);
  border-radius: 2px;
}

.section-subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
  font-weight: 300;
}

/* About Section */
.about {
  padding: 100px 0;
  background: var(--bg-dark);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.feature-card {
  background: var(--bg-card);
  padding: 35px;
  border-radius: var(--border-radius);
  border: 1px solid rgba(255, 215, 0, 0.2);
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-primary);
  opacity: 0;
  transition: var(--transition);
  z-index: -1;
}

.feature-card:hover::before {
  opacity: 0.05;
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-gold);
  border-color: var(--primary-color);
}

.feature-icon {
  width: 70px;
  height: 70px;
  margin: 0 auto 20px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: var(--bg-dark);
  box-shadow: var(--shadow-gold);
}

.feature-card h4 {
  font-family: 'Orbitron', monospace;
  font-size: 1.4rem;
  color: var(--text-primary);
  margin-bottom: 15px;
}

.feature-card p {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Events Section */
.events {
  padding: 100px 0;
  background: var(--gradient-dark);
}

.events-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
}

.event-card {
  background: var(--bg-card);
  border-radius: var(--border-radius);
  overflow: hidden;
  border: 1px solid rgba(255, 215, 0, 0.2);
  transition: var(--transition);
  position: relative;
}

.event-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-gold);
  border-color: var(--primary-color);
}

.event-image {
  height: 200px;
  background: var(--gradient-quaternary);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.event-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(10, 10, 10, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: var(--primary-color);
  backdrop-filter: blur(2px);
}

.event-content {
  padding: 25px;
}

.event-category {
  font-size: 0.9rem;
  color: var(--accent-color);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.event-title {
  font-family: 'Orbitron', monospace;
  font-size: 1.4rem;
  color: var(--text-primary);
  margin: 10px 0 15px;
}

.event-description {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 20px;
}

.event-status {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 8px 15px;
  background: rgba(255, 215, 0, 0.1);
  border: 1px solid var(--primary-color);
  border-radius: 20px;
  font-size: 0.9rem;
  color: var(--primary-color);
}

/* Team Section */
.team {
  padding: 100px 0;
  background: var(--bg-dark);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.team-card {
  background: var(--bg-card);
  padding: 30px;
  border-radius: var(--border-radius);
  text-align: center;
  border: 1px solid rgba(255, 215, 0, 0.2);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.team-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-gold);
  border-color: var(--primary-color);
}

.member-avatar {
  width: 100px;
  height: 100px;
  margin: 0 auto 20px;
  position: relative;
}

.avatar-placeholder {
  width: 100%;
  height: 100%;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--bg-dark);
  box-shadow: var(--shadow-gold);
}

.member-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: transparent;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
}

.member-avatar:hover .member-overlay {
  opacity: 1;
}

.member-avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  transition: transform 0.4s ease, filter 0.4s ease;
}

.member-avatar:hover .member-avatar-img {
  transform: scale(1.1);
  filter: brightness(0.8);
}

.social-links {
  display: flex;
  gap: 10px;
}

.social-links a {
  width: 35px;
  height: 35px;
  background: var(--primary-color);
  color: var(--bg-dark);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: var(--transition);
}

.social-links a:hover {
  background: var(--accent-color);
  transform: scale(1.1);
}

.member-name {
  font-family: 'Orbitron', monospace;
  font-size: 1.2rem;
  color: var(--text-primary);
  margin-bottom: 5px;
}

.member-role {
  color: var(--primary-color);
  font-weight: 600;
  font-size: 1rem;
  margin-bottom: 10px;
}

.member-bio {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.5;
}

/* Contact Section */
.contact {
  padding: 100px 0;
  background: var(--gradient-dark);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.contact-info {
  padding: 20px 0;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 30px;
}

.contact-icon {
  width: 50px;
  height: 50px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--bg-dark);
  flex-shrink: 0;
  box-shadow: var(--shadow-gold);
}

.contact-details h4 {
  font-family: 'Orbitron', monospace;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.contact-details p,
.contact-details a {
  color: var(--text-secondary);
  line-height: 1.6;
  text-decoration: none;
}

.contact-details a:hover {
  color: var(--primary-color);
}

.social-section {
  margin-top: 40px;
}

.social-section h4 {
  font-family: 'Orbitron', monospace;
  color: var(--text-primary);
  margin-bottom: 15px;
}

.social-section .social-links {
  display: flex;
  gap: 15px;
}

.social-link {
  width: 45px;
  height: 45px;
  background: transparent;
  border: 2px solid var(--primary-color);
  color: var(--primary-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-size: 1.2rem;
  transition: var(--transition);
}

.social-link:hover {
  background: var(--primary-color);
  color: var(--bg-dark);
  transform: scale(1.1);
  box-shadow: var(--shadow-gold);
}

/* Contact Form */
.contact-form-container {
  background: var(--bg-card);
  padding: 40px;
  border-radius: var(--border-radius);
  border: 1px solid rgba(255, 215, 0, 0.2);
  box-shadow: var(--shadow-subtle);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 25px;
}

.form-group {
  position: relative;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 15px 20px;
  background: var(--bg-darker);
  border: 2px solid rgba(255, 215, 0, 0.2);
  border-radius: var(--border-radius);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 1rem;
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 20px rgba(255, 215, 0, 0.2);
}

.form-group label {
  position: absolute;
  top: 15px;
  left: 20px;
  color: var(--text-secondary);
  font-size: 1rem;
  transition: var(--transition);
  pointer-events: none;
}

.form-group input:focus + label,
.form-group textarea:focus + label,
.form-group select:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group textarea:not(:placeholder-shown) + label,
.form-group select:not([value=""]) + label {
  top: -8px;
  left: 15px;
  background: var(--bg-card);
  padding: 0 8px;
  font-size: 0.8rem;
  color: var(--primary-color);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

/* Footer */
.footer {
  background: var(--bg-darker);
  border-top: 1px solid rgba(255, 215, 0, 0.2);
  padding: 50px 0 30px;
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 50px;
  margin-bottom: 40px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 15px;
}

.footer-logo-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--bg-dark);
  box-shadow: var(--shadow-gold);
}

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

.footer-logo-text .logo-text {
  font-family: 'Orbitron', monospace;
  font-size: 1.8rem;
  font-weight: 900;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-logo-text .logo-subtitle {
  display: block;
  font-size: 0.7rem;
  color: var(--text-secondary);
  letter-spacing: 2px;
  margin-top: 5px;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.footer-section h4 {
  font-family: 'Orbitron', monospace;
  color: var(--text-primary);
  margin-bottom: 20px;
  font-size: 1.1rem;
}

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

.footer-section li {
  margin-bottom: 10px;
}

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

.footer-section a:hover {
  color: var(--primary-color);
}

.footer-bottom {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 215, 0, 0.1);
  color: var(--text-secondary);
}

.footer-bottom p {
  margin-bottom: 5px;
}

.footer-bottom i {
  color: var(--secondary-color);
}

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: var(--text-secondary);
  font-size: 0.9rem;
  animation: bounce 2s infinite;
}

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

.scroll-mouse {
  width: 25px;
  height: 40px;
  border: 2px solid var(--primary-color);
  border-radius: 20px;
  position: relative;
}

.scroll-wheel {
  width: 3px;
  height: 8px;
  background: var(--primary-color);
  border-radius: 2px;
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  animation: scrollWheel 2s infinite;
}

@keyframes scrollWheel {
  0% { top: 8px; opacity: 1; }
  100% { top: 24px; opacity: 0; }
}

/* Responsive Design */
@media (max-width: 1024px) {
  .nav-container {
    padding: 0 30px;
  }
  
  .hero-content {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }
  
  .title-main {
    font-size: 3rem;
  }
  
  .dept-content {
    grid-template-columns: 1fr;
    gap: 30px;
    text-align: center;
  }
  
  .contact-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  
  .footer-links {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 80px;
    right: -100%;
    width: 300px;
    height: calc(100vh - 80px);
    background: rgba(5, 5, 5, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    padding: 40px 30px;
    gap: 30px;
    border-left: 1px solid rgba(255, 215, 0, 0.2);
    transition: right 0.3s ease;
  }
  
  .nav-menu.active {
    right: 0;
  }
  
  .nav-link {
    width: 100%;
    justify-content: flex-start;
    padding: 15px 20px;
    font-size: 1.1rem;
  }
  
  .hamburger {
    display: flex;
  }
  
  .container {
    padding: 0 30px;
  }
  
  .hero {
    padding: 100px 0 40px;
  }
  
  .title-main {
    font-size: 2.5rem;
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .hero-stats {
    justify-content: center;
    gap: 30px;
  }
  
  .logo-showcase {
    width: 280px;
    height: 280px;
  }
  
  .main-logo {
    width: 200px;
    height: 200px;
    font-size: 3rem;
  }
  
  .logo-ring-1 { width: 220px; height: 220px; }
  .logo-ring-2 { width: 250px; height: 250px; }
  .logo-ring-3 { width: 280px; height: 280px; }
  
  .section-title {
    font-size: 2rem;
  }
  
  .dept-title {
    font-size: 1.8rem;
  }
  
  .dept-logo {
    width: 120px;
    height: 120px;
    font-size: 2.5rem;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .events-grid {
    grid-template-columns: 1fr;
  }
  
  .team-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }
  
  .footer-links {
    grid-template-columns: 1fr;
    gap: 30px;
  }
}

@media (max-width: 480px) {
  .nav-container {
    padding: 0 20px;
  }
  
  .container {
    padding: 0 20px;
  }
  
  .nav-logo-icon {
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }
  
  .logo-text {
    font-size: 1.5rem;
  }
  
  .title-main {
    font-size: 2rem;
  }
  
  .title-subtitle {
    font-size: 1.3rem;
  }
  
  .hero-buttons {
    width: 100%;
  }
  
  .btn {
    width: 100%;
    justify-content: center;
  }
  
  .hero-stats {
    gap: 20px;
  }
  
  .stat-number {
    font-size: 2rem;
  }
  
  .logo-showcase {
    width: 220px;
    height: 220px;
  }
  
  .main-logo {
    width: 180px;
    height: 180px;
    font-size: 2.5rem;
  }
  
  .logo-ring-2 { width: 200px; height: 200px; }
  .logo-ring-3 { width: 220px; height: 220px; }
  
  .section-title {
    font-size: 1.8rem;
  }
  
  .dept-logo {
    width: 120px;
    height: 120px;
    font-size: 2rem;
  }
  
  .tech-stack {
    justify-content: center;
  }
  
  .events-grid,
  .team-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-form-container {
    padding: 25px;
  }
}

/* Hide mobile logo on desktop */
.mobile-logo {
  display: none;
}

/* For tablets and below - show mobile logo, hide desktop logo */
@media (max-width: 1024px) {
  .hero-content > .hero-visual {
    display: none;
  }
  
  .mobile-logo {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 20px 0;
  }
  
  .mobile-logo .logo-showcase {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
  }
  
  .mobile-logo .main-logo {
    position: relative;
    z-index: 3;
  }
  
  .mobile-logo .logo-rings {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
  }
  
  .mobile-logo .logo-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    border: 2px solid rgba(255, 215, 0, 0.3);
    animation: rotate 20s linear infinite;
  }
  
  .mobile-logo .logo-ring-2 {
    animation-duration: 15s;
    animation-direction: reverse;
  }
  
  .mobile-logo .logo-ring-3 {
    animation-duration: 25s;
  }
}

/* For mobile - adjust logo size */
@media (max-width: 768px) {
  .hero-visual {
    margin: 15px 0;
  }
  
  .logo-showcase {
    width: 200px;
    height: 200px;
  }
  
  .main-logo {
    width: 200px;
    height: 200px;
  }
  
  .logo-ring-2 { width: 220px; height: 220px; }
  .logo-ring-3 { width: 240px; height: 240px; }
}

@media (max-width: 480px) {
  .logo-showcase {
    width: 180px;
    height: 180px;
  }
  
  .main-logo {
    width: 180px;
    height: 180px;
  }
  
  .logo-ring-2 { width: 200px; height: 200px; }
  .logo-ring-3 { width: 220px; height: 220px; }
}

/* Animation Classes */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.slide-in-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: all 0.8s ease;
}

.slide-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.slide-in-right {
  opacity: 0;
  transform: translateX(50px);
  transition: all 0.8s ease;
}

.slide-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.scale-in {
  opacity: 0;
  transform: scale(0.8);
  transition: all 0.8s ease;
}

.scale-in.visible {
  opacity: 1;
  transform: scale(1);
}

/* Ripple Effect */
.ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: scale(0);
  animation: rippleEffect 0.6s linear;
  pointer-events: none;
}

@keyframes rippleEffect {
  to {
    transform: scale(4);
    opacity: 0;
  }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--bg-darker);
  border-radius: 5px;
}

::-webkit-scrollbar-thumb {
  background: var(--gradient-primary);
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-color);
}

/* Selection */
::selection {
  background: var(--primary-color);
  color: var(--bg-dark);
}

::-moz-selection {
  background: var(--primary-color);
  color: var(--bg-dark);
}

/* Focus States */
button:focus,
input:focus,
textarea:focus,
select:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* Logo Image Styles */
.logo-icon,
.hero-logo-img,
.footer-logo-icon,
.dept-logo-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 50%;
}

.hero-logo-img {
  border-radius: 50%;
  filter: drop-shadow(0 0 20px rgba(255, 215, 0, 0.3));
}

.dept-logo-img {
  border-radius: 50%;
  filter: drop-shadow(0 0 15px rgba(138, 43, 226, 0.4));
}