/* Custom Variables */
:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --success-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --warning-gradient: linear-gradient(135deg, #f6d365 0%, #fda085 100%);
}

/* Global Styles */
.landing-page {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    overflow-x: hidden;
}

/* Custom Navbar */
.custom-navbar {
    background: rgba(102, 126, 234, 0.95) !important;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    padding: 1rem 0;
}

.custom-navbar.scrolled {
    background: var(--primary-gradient) !important;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

/* Hero Section */
.hero-section {
    background: var(--primary-gradient);
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><polygon fill="rgba(255,255,255,0.05)" points="0,1000 1000,0 1000,1000"/></svg>');
    background-size: cover;
}

.hero-title {
    text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.3);
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* Login Card */
.login-card {
    position: relative;
    z-index: 2;
}

.login-card .card {
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.95) !important;
    border: 1px solid rgba(255, 255, 255, 0.2) !important;
}

/* Gradient Buttons */
.bg-gradient-master {
    background: var(--secondary-gradient) !important;
    border: none !important;
    transition: all 0.3s ease !important;
}

.bg-gradient-institute {
    background: var(--success-gradient) !important;
    border: none !important;
    transition: all 0.3s ease !important;
}

.bg-gradient-master:hover,
.bg-gradient-institute:hover {
    transform: translateY(-3px) !important;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2) !important;
}

/* Feature Cards */
.feature-card {
    transition: all 0.3s ease;
    border-radius: 15px !important;
}

.hover-lift:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1) !important;
}

.feature-icon-wrapper {
    width: 80px;
    height: 80px;
    margin: 0 auto;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Benefits Section */
.benefit-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white !important;
}

.stats-card {
    background: var(--primary-gradient);
    color: white;
}

/* Divider */
.divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: #dee2e6;
    z-index: -1;
}

/* Quick Features */
.feature-icon {
    transition: all 0.3s ease;
    padding: 10px;
    border-radius: 10px;
}

.feature-icon:hover {
    background: #f8f9fa;
    transform: scale(1.1);
}

/* CTA Section */
.cta-section {
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><circle fill="rgba(255,255,255,0.1)" cx="500" cy="500" r="400"/></svg>');
    background-size: cover;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem !important;
        text-align: center;
    }
    
    .hero-subtitle {
        text-align: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .login-card {
        margin-top: 2rem;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content {
    animation: fadeInUp 1s ease-out;
}

.login-card {
    animation: fadeInUp 1s ease-out 0.3s both;
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}