/* EasyCGPA Custom Styles */

:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --info-color: #0dcaf0;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --light-color: #f8f9fa;
    --dark-color: #212529;
}

/* Global Styles */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
}

.main-content {
    min-height: calc(100vh - 200px);
}

/* Navigation Styles */
.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
}

.navbar-nav .nav-link {
    font-weight: 500;
    padding: 0.5rem 1rem;
    transition: color 0.3s ease;
}

.navbar-nav .nav-link:hover {
    color: var(--primary-color) !important;
}

.navbar-nav .nav-link.active {
    color: var(--primary-color) !important;
    font-weight: 600;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 100px 0 80px;
    margin-top: -80px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

/* Calculator Cards */
.calculator-card {
    background: white;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: none;
    overflow: hidden;
}

.calculator-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.calculator-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(45deg, var(--primary-color), var(--info-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    color: white;
    font-size: 1.5rem;
}

/* Form Styles */
.form-control {
    border-radius: 10px;
    border: 2px solid #e9ecef;
    padding: 12px 15px;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

.btn {
    border-radius: 10px;
    padding: 12px 30px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(45deg, var(--primary-color), var(--info-color));
    border: none;
}

.btn-primary:hover {
    background: linear-gradient(45deg, #0b5ed7, #0aa2c0);
    transform: translateY(-2px);
}

/* Result Display */
.result-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    margin-top: 2rem;
}

.result-value {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.result-label {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* College Rules */
.college-rules {
    background: #f8f9fa;
    border-radius: 10px;
    padding: 1.5rem;
    margin-top: 1rem;
}

.college-rules h6 {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 1rem;
}

/* Blog Cards */
.blog-card {
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: none;
    overflow: hidden;
}

.blog-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

.blog-card .card-body {
    padding: 1.5rem;
}

.blog-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--dark-color);
}

.blog-meta {
    font-size: 0.9rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

/* Footer Styles */
footer {
    background: var(--dark-color) !important;
}

footer .social-links a {
    font-size: 1.2rem;
    transition: color 0.3s ease;
}

footer .social-links a:hover {
    color: var(--primary-color) !important;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .result-value {
        font-size: 2.5rem;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .calculator-card {
        margin-bottom: 1.5rem;
    }
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.6s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.slide-in-left {
    animation: slideInLeft 0.6s ease-out;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.slide-in-right {
    animation: slideInRight 0.6s ease-out;
}

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

/* Utility Classes */
.text-gradient {
    background: linear-gradient(45deg, var(--primary-color), var(--info-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.bg-gradient-primary {
    background: linear-gradient(45deg, var(--primary-color), var(--info-color));
}

.shadow-soft {
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.border-soft {
    border: 1px solid rgba(0,0,0,0.05);
}