:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --light-color: #f8f9fa;
    --dark-color: #212529;
}

/* General Styles */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--dark-color);
    line-height: 1.6;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
}

.lead {
    font-weight: 400;
    line-height: 1.8;
}

/* Navigation */
.navbar {
    padding: 1rem 0;
    transition: all 0.3s ease;
}

.navbar-scrolled {
    background-color: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(10px);
}

.navbar-brand img {
    transition: transform 0.3s ease;
    max-height: 60px;
    width: auto;
}

.navbar-brand:hover img {
    transform: scale(1.05);
}

.navbar-brand span {
    font-size: 1.2rem;
    color: var(--primary-color);
}

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

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

/* Hero Section */
.hero {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 4rem 0;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(13, 110, 253, 0.05) 0%, rgba(255, 255, 255, 0) 100%);
    z-index: -1;
}

.hero-image {
    max-width: 100%;
    height: auto;
    filter: drop-shadow(0 1rem 3rem rgba(0, 0, 0, 0.15));
    transition: transform 0.3s ease;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
    100% {
        transform: translateY(0px);
    }
}

.hero-image:hover {
    transform: scale(1.02);
}

/* Features Section */
.card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: none;
}

.hover-lift:hover {
    transform: translateY(-5px);
    box-shadow: 0 1rem 3rem rgba(0, 0, 0, 0.15) !important;
}

.feature-icon {
    width: 64px;
    height: 64px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.card i {
    transition: transform 0.3s ease;
}

.card:hover i {
    transform: scale(1.1);
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    font-weight: 500;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
}

.btn-lg {
    padding: 1rem 2rem;
}

.btn-primary {
    background: var(--primary-color);
    border: none;
    box-shadow: 0 4px 6px rgba(13, 110, 253, 0.11), 0 1px 3px rgba(13, 110, 253, 0.08);
}

.btn-primary:hover {
    background: #0b5ed7;
    transform: translateY(-1px);
    box-shadow: 0 7px 14px rgba(13, 110, 253, 0.1), 0 3px 6px rgba(13, 110, 253, 0.08);
}

.btn-outline-primary:hover {
    transform: translateY(-1px);
}

/* Contact Info */
.list-unstyled li {
    display: flex;
    align-items: center;
}

.list-unstyled i {
    width: 24px;
}

/* Footer */
footer a {
    transition: opacity 0.3s ease;
}

footer a:hover {
    opacity: 0.8;
}

/* Responsive Adjustments */
@media (max-width: 991.98px) {
    .hero {
        text-align: center;
    }
    
    .hero .btn-group {
        justify-content: center;
    }
    
    .hero img {
        margin-top: 2rem;
    }
}

@media (max-width: 767.98px) {
    h1.display-4 {
        font-size: 2.5rem;
    }
    
    .feature-icon {
        width: 56px;
        height: 56px;
    }
    
    .btn-lg {
        padding: 0.75rem 1.5rem;
    }
}

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

.animate-fade-up {
    animation: fadeUp 0.6s ease forwards;
}

/* Utilities */
.shadow-lg {
    box-shadow: 0 1rem 3rem rgba(0, 0, 0, 0.175) !important;
}

.rounded-4 {
    border-radius: 1rem !important;
}

.text-gradient {
    background: linear-gradient(135deg, var(--primary-color) 0%, #0dcaf0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Call to Action Section */
.bg-primary {
    position: relative;
    overflow: hidden;
}

.bg-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0) 100%);
    z-index: 1;
}

.bg-primary > * {
    position: relative;
    z-index: 2;
}

/* Loading States */
.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}