/* Variables Globales */
:root {
    /* Colores */
    --color-primary: #826768;
    --color-secondary: #A2948A;
    --color-light: #F5F3F2;
    --color-dark: #495057;
    --color-gray: #ABABAD;
    
    /* Sombras */
    --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 8px 16px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 12px 24px rgba(0, 0, 0, 0.15);
    
    /* Transiciones */
    --transition-standard: all 0.3s ease;
    --transition-timing: cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Efectos de vidrio */
    --glass-bg: rgba(245, 243, 242, 0.7);
    --glass-border: 1px solid rgba(255, 255, 255, 0.2);
    --glass-blur: blur(20px);
}

/* Reset y Estilos Base */
html {
    scroll-behavior: smooth;
}

/* Efectos Generales */
.glass-effect {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: var(--glass-border);
}

.hover-lift {
    transition: var(--transition-standard);
}

.hover-lift:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

/* Navbar Unificado */
.navbar-unified {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    transition: var(--transition-standard);
}

.navbar-unified .navbar-brand img {
    height: 40px;
    transition: var(--transition-standard);
}

.navbar-unified .nav-link {
    color: var(--color-dark);
    transition: var(--transition-standard);
}

.navbar-unified .nav-link:hover {
    color: var(--color-primary);
    transform: translateY(-2px);
}

.navbar-unified .btn-contact {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: white;
    padding: 8px 24px;
    border-radius: 50px;
    transition: var(--transition-standard);
    position: relative;
    overflow: hidden;
}

.navbar-unified .btn-contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.navbar-unified .btn-contact:hover::before {
    left: 100%;
}

/* Logo Grid */
.logos-section-unified {
    padding: 60px 0;
    background: var(--glass-bg);
    position: relative;
}

.logos-grid-unified {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 32px;
    align-items: center;
    justify-items: center;
}

.logos-grid-unified .logo-item {
    transition: var(--transition-standard);
    opacity: 0;
    animation: logoAppear 0.5s ease forwards;
}

.logos-grid-unified .logo-item img {
    max-width: 100%;
    height: auto;
    filter: grayscale(100%);
    transition: var(--transition-standard);
}

.logos-grid-unified .logo-item:hover img {
    filter: grayscale(0);
    transform: scale(1.05);
}

/* Footer Unificado */
.footer-unified {
    background: var(--color-light);
    padding: 80px 0 20px;
    position: relative;
}

.footer-unified .footer-section h6 {
    color: var(--color-primary);
    font-weight: 600;
    margin-bottom: 24px;
    position: relative;
}

.footer-unified .footer-link {
    color: var(--color-dark);
    transition: var(--transition-standard);
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-unified .footer-link:hover {
    color: var(--color-primary);
    transform: translateX(5px);
}

.footer-unified .social-icon {
    color: var(--color-dark);
    transition: var(--transition-standard);
    opacity: 0.7;
}

.footer-unified .social-icon:hover {
    opacity: 1;
    transform: translateY(-3px);
}

.footer-unified .contact-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 16px;
    transition: var(--transition-standard);
}

.footer-unified .contact-item:hover {
    transform: translateX(5px);
}

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

@keyframes logoAppear {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Clases de Animación */
.animate__animated {
    animation-duration: 1s;
    animation-fill-mode: both;
}

.animate__fadeInUp { animation-name: fadeInUp; }
.animate__delay-1s { animation-delay: 0.5s; }
.animate__delay-2s { animation-delay: 1s; }

/* Media Queries */
@media (max-width: 992px) {
    .navbar-unified .navbar-nav {
        padding: 1rem 0;
    }
    
    .logos-grid-unified {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    }
}

@media (max-width: 768px) {
    .footer-unified .footer-section {
        margin-bottom: 2rem;
    }
    
    .logos-grid-unified {
        grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
    }
}

@media (max-width: 576px) {
    .navbar-unified .btn-contact {
        width: 100%;
        text-align: center;
        margin-top: 1rem;
    }
}