:root {
    --primary-color: #1E40AF;
    --secondary-color: #10B981;
    --text-color: #1F2937;
    --background-color: #F3F4F6;
    --white: #ffffff;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
}

/* Base Styles */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    background-color: var(--background-color);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.display-4 {
    font-size: calc(1.475rem + 2.7vw);
    font-weight: 700;
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

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

.btn-primary:hover {
    background-color: #1733A0;
    border-color: #1733A0;
}

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

.btn-outline-primary:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

/* Navigation */
.navbar {
    padding: 1rem 0;
    background-color: var(--white) !important;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.navbar-brand {
    position: relative;
    padding: 0;
}

.navbar-brand img {
    max-height: 100px;
    position: absolute;
    top: -30px;
    left: 0;
    z-index: 1000;
}

.nav-link {
    color: var(--text-color) !important;
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    transition: color 0.3s ease;
}

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

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

/* Hero Section */
.hero {
    padding: 6rem 0 4rem;
    background-color: var(--white);
}

.hero h1 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.hero .lead {
    font-size: 1.25rem;
    color: var(--gray-500);
    margin-bottom: 2rem;
}

/* Cards */
.card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-radius: 1rem;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1) !important;
}

.card-body {
    padding: 2rem;
}

/* Features Section */
.features .card i {
    color: var(--primary-color);
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

/* Testimonials */
.testimonials {
    background-color: var(--gray-100);
}

.testimonial-card {
    background-color: var(--white);
    border-radius: 1rem;
    padding: 2rem;
}

/* Footer */
.footer {
    background-color: var(--text-color);
    color: var(--white);
    padding: 4rem 0 2rem;
}

.footer h5 {
    color: var(--white);
    margin-bottom: 1.5rem;
}

.footer a {
    color: var(--gray-300);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .hero {
        padding: 4rem 0 2rem;
    }
    
    .display-4 {
        font-size: 2.5rem;
    }
    
    .navbar-collapse {
        background-color: var(--white);
        padding: 1rem;
        border-radius: 0.5rem;
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    }

    .navbar-brand img {
        max-height: 80px;
        top: -20px;
    }
}

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

.animate-fade-in {
    animation: fadeIn 0.6s ease-out forwards;
}

/* Form Styles */
.form-control {
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    border: 1px solid var(--gray-300);
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(30, 64, 175, 0.25);
}

/* Utility Classes */
.shadow-sm {
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05) !important;
}

.rounded-3 {
    border-radius: 1rem !important;
}