/* Variables */
:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --dark-color: #212529;
    --light-color: #f8f9fa;
}

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

.navbar.scrolled {
    background-color: rgba(13, 13, 13, 0.95) !important;
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
    padding: 0.5rem 0;
}

.brand-text {
    font-weight: 700;
    font-size: 1.5rem;
    margin-left: 0.5rem;
}

/* Hero Section */
.hero-section {
    height: 100vh;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    display: flex;
    align-items: center;
    margin-top: -76px;
    padding-top: 76px;
}

/* Page Header */
.page-header {
    background-size: cover;
    background-position: center;
    padding: 150px 0 100px;
    margin-top: 76px;
}

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

.animate-fade-in {
    animation: fadeIn 1s ease-out;
}

.animate-fade-in-delay {
    animation: fadeIn 1s ease-out 0.3s both;
}

.animate-fade-in-delay-2 {
    animation: fadeIn 1s ease-out 0.6s both;
}

/* Service Cards */
.service-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15) !important;
}

.service-icon {
    transition: transform 0.3s ease;
}

.service-card:hover .service-icon {
    transform: scale(1.1);
}

/* Stats */
.stat-item {
    padding: 2rem;
}

.stat-item i {
    opacity: 0.9;
}

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

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

/* Cards */
.card {
    transition: transform 0.3s ease;
}

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

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

footer a:hover {
    color: #fff !important;
}

/* Social Icons */
.social-icons a {
    display: inline-block;
    transition: transform 0.3s ease;
}

.social-icons a:hover {
    transform: translateY(-3px);
}

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

/* Responsive */
@media (max-width: 768px) {
    .hero-section h1 {
        font-size: 2.5rem;
    }
    
    .page-header {
        padding: 100px 0 60px;
    }
    
    .display-3 {
        font-size: 2rem;
    }
    
    .display-5 {
        font-size: 1.75rem;
    }
}

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

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: #0b5ed7;
}

/* Object Fit */
.object-fit-cover {
    object-fit: cover;
}

/* Loading State */
.btn-loading {
    position: relative;
    pointer-events: none;
    opacity: 0.7;
}

.btn-loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    top: 50%;
    left: 50%;
    margin-left: -10px;
    margin-top: -10px;
    border: 2px solid #ffffff;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}