:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --dark-color: #212529;
}

html {
    font-size: 16px;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    padding-top: 76px;
    font-size: 1rem;
    line-height: 1.6;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, #0a58ca 100%);
    color: white;
    padding: 100px 0;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-section h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.hero-section .lead {
    font-size: 1.25rem;
    font-weight: 400;
    margin-bottom: 2rem;
}

.hero-buttons .btn {
    border-radius: 50px;
    padding: 12px 30px;
    font-weight: 600;
    font-size: 1.1rem;
}

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

.navbar-brand img {
    margin-right: 10px;
}

.navbar-nav .nav-link {
    font-size: 1rem;
    font-weight: 500;
}

/* Section Titles */
.section-title {
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 1rem;
    font-size: 2.5rem;
}

.section-subtitle {
    color: var(--secondary-color);
    font-size: 1.1rem;
    margin-bottom: 3rem;
}

/* Feature Cards */
.feature-card {
    border: none;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-card .card-title {
    font-size: 1.25rem;
    font-weight: 600;
}

.feature-card .card-text {
    font-size: 1rem;
    color: var(--secondary-color);
}

.feature-icon {
    color: var(--primary-color);
    font-size: 2.5rem;
}

/* University Cards */
.university-card {
    border: none;
    border-radius: 10px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.university-card:hover {
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    transform: translateY(-3px);
}

.university-card .card-title {
    font-size: 1.2rem;
    font-weight: 600;
}

.university-card .card-text {
    font-size: 0.95rem;
}

/* Service Cards */
.service-card {
    border: none;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.service-card .card-title {
    font-size: 1.3rem;
    font-weight: 600;
}

.service-card .card-text {
    font-size: 1rem;
}

.service-icon {
    color: var(--primary-color);
    font-size: 3rem;
}

/* Branch Cards */
.branch-card {
    border: none;
    border-radius: 10px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.branch-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.branch-card .card-title {
    font-size: 1.2rem;
    font-weight: 600;
}

.branch-card .card-text {
    font-size: 1rem;
}

/* Contact Cards */
.contact-card {
    border: none;
    border-radius: 10px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.contact-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.contact-card .card-title {
    font-size: 1.25rem;
    font-weight: 600;
}

.contact-card .card-text {
    font-size: 1rem;
}

/* Form Styling */
.form-control, .form-select {
    border-radius: 8px;
    padding: 12px 15px;
    border: 1px solid #dee2e6;
    font-size: 1rem;
}

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

.form-label {
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

/* Button Styling */
.btn {
    border-radius: 8px;
    font-weight: 600;
    padding: 10px 20px;
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-primary:hover {
    background-color: #0b5ed7;
    border-color: #0a58ca;
}

/* Card Styling */
.card {
    border: none;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
}

.card-header {
    border-radius: 15px 15px 0 0 !important;
    font-size: 1.1rem;
    font-weight: 600;
}

/* Footer */
footer {
    margin-top: auto;
}

footer h5 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

footer p, footer li {
    font-size: 1rem;
}

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

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

/* Text elements consistency */
h1 {
    font-size: 2.5rem;
    font-weight: 700;
}

h2 {
    font-size: 2rem;
    font-weight: 600;
}

h3 {
    font-size: 1.75rem;
    font-weight: 600;
}

h4 {
    font-size: 1.5rem;
    font-weight: 600;
}

h5 {
    font-size: 1.25rem;
    font-weight: 600;
}

h6 {
    font-size: 1.1rem;
    font-weight: 600;
}

p {
    font-size: 1rem;
    line-height: 1.6;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    html {
        font-size: 14px;
    }
    
    body {
        padding-top: 66px;
    }
    
    .hero-section {
        padding: 80px 0;
        text-align: center;
    }
    
    .hero-section h1 {
        font-size: 2.5rem;
    }
    
    .hero-section .lead {
        font-size: 1.1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .hero-buttons .btn {
        display: block;
        width: 100%;
        margin-bottom: 15px;
        font-size: 1rem;
    }
}

@media (max-width: 576px) {
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .feature-card .card-title,
    .service-card .card-title,
    .university-card .card-title {
        font-size: 1.1rem;
    }
}