:root {
    --primary-color: #4361ee;
    --secondary-color: #3a0ca3;
    --accent-color: #4cc9f0;
    --dark-color: #212529;
    --light-color: #f8f9fa;
    --gradient: linear-gradient(135deg, #4361ee, #3a0ca3);
}

/* Estilos generales */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    color: var(--dark-color);
    overflow-x: hidden;
    padding-top: 76px; /* Para compensar la navbar fija */
}

section {
    padding: 80px 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.section-subtitle {
    color: #6c757d;
    font-size: 1.1rem;
    margin-bottom: 3rem;
}

.text-gradient {
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.btn-primary {
    background: var(--gradient);
    border: none;
    padding: 12px 30px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(67, 97, 238, 0.3);
}

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

/* Navegación */
.navbar {
    background-color: rgba(33, 37, 41, 0.95);
    backdrop-filter: blur(10px);
    padding: 20px 0;
    transition: all 0.3s ease;
}

.navbar-brand {
    font-size: 1.8rem;
    font-weight: 700;
}

.navbar-brand i {
    color: var(--accent-color);
}

.brand-text {
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.nav-link {
    font-weight: 500;
    margin: 0 10px;
    transition: all 0.3s ease;
}

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

/* Sección Hero */
.hero-section {
    background: linear-gradient(rgba(33, 37, 41, 0.9), rgba(33, 37, 41, 0.9)), url('https://images.unsplash.com/photo-1518709268805-4e9042af2176?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80');
    background-size: cover;
    background-position: center;
    color: white;
    padding: 120px 0;
}

.hero-section h1 {
    font-size: 3.5rem;
    line-height: 1.2;
}

.hero-image {
    position: relative;
}

.hero-image:after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: var(--gradient);
    top: 20px;
    left: 20px;
    border-radius: 10px;
    z-index: -1;
}

/* Sección Servicios */
.services-section {
    background-color: #f8f9fa;
}

.service-card {
    background: white;
    border-radius: 15px;
    padding: 30px;
    height: 100%;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    border: 1px solid #e9ecef;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(67, 97, 238, 0.1);
}

.service-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.service-icon i {
    font-size: 28px;
    color: white;
}

.service-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
}

.service-description {
    color: #6c757d;
    margin-bottom: 20px;
}

.service-features {
    list-style: none;
    padding: 0;
}

.service-features li {
    margin-bottom: 8px;
    display: flex;
    align-items: center;
}

.service-features i {
    color: var(--primary-color);
    margin-right: 10px;
    font-size: 14px;
}

/* Sección Nosotros */
.about-features {
    margin-top: 30px;
}

.feature-item {
    display: flex;
    margin-bottom: 25px;
}

.feature-item i {
    font-size: 28px;
    color: var(--primary-color);
    margin-right: 20px;
    margin-top: 5px;
}

.feature-item h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 5px;
}

/* Sección Portafolio */
.portfolio-section {
    background-color: #f8f9fa;
}

.portfolio-item {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    height: 100%;
}

.portfolio-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(67, 97, 238, 0.1);
}

.portfolio-image {
    overflow: hidden;
    height: 200px;
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.portfolio-item:hover .portfolio-image img {
    transform: scale(1.05);
}

.portfolio-content {
    padding: 25px;
}

.portfolio-content h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.portfolio-category {
    display: inline-block;
    background: var(--gradient);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    margin-top: 15px;
}

/* Sección Contacto */
.contact-section {
    background: linear-gradient(rgba(33, 37, 41, 0.95), rgba(33, 37, 41, 0.95)), url('https://images.unsplash.com/photo-1552664730-d307ca884978?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80');
    background-size: cover;
    background-position: center;
    color: white;
}

.contact-section .section-title,
.contact-section .section-subtitle {
    color: white;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: white;
}

.form-control, .form-select {
    background-color: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    padding: 12px 15px;
    border-radius: 10px;
}

.form-control:focus, .form-select:focus {
    background-color: rgba(255, 255, 255, 0.15);
    border-color: var(--accent-color);
    color: white;
    box-shadow: 0 0 0 0.25rem rgba(76, 201, 240, 0.25);
}

.form-control::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.contact-info {
    padding: 30px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    height: 100%;
}

.contact-info i {
    font-size: 40px;
    color: var(--accent-color);
    margin-bottom: 20px;
}

.contact-info h4 {
    font-size: 1.3rem;
    margin-bottom: 15px;
}

/* Footer */
.footer {
    background-color: var(--dark-color);
    color: #adb5bd;
}

.footer-brand {
    font-size: 1.8rem;
    font-weight: 700;
    color: white;
}

.footer-brand i {
    color: var(--accent-color);
}

.footer h5 {
    color: white;
    font-size: 1.2rem;
    margin-bottom: 20px;
}

.footer-links {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: #adb5bd;
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.social-icons {
    display: flex;
    gap: 15px;
}

.social-icons a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
}

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

.subscribe-form .input-group {
    border-radius: 10px;
    overflow: hidden;
}

.subscribe-form .form-control {
    border-radius: 10px 0 0 10px;
}

.subscribe-form .btn {
    border-radius: 0 10px 10px 0;
}

.footer-link {
    color: #adb5bd;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-link:hover {
    color: var(--accent-color);
}

/* Responsividad */
@media (max-width: 992px) {
    .hero-section h1 {
        font-size: 2.8rem;
    }
    
    .section-title {
        font-size: 2.2rem;
    }
}

@media (max-width: 768px) {
    section {
        padding: 60px 0;
    }
    
    .hero-section {
        padding: 80px 0;
    }
    
    .hero-section h1 {
        font-size: 2.3rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
}

@media (max-width: 576px) {
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .btn-lg {
        padding: 10px 20px;
        font-size: 1rem;
    }
}