/* 
 * Estilos Centralizados - LG ASESORES CONTABLES SAS
 */

body {
    font-family: 'Inter', sans-serif;
    font-size: 18px; 
    line-height: 1.6;
    color: #1E293B;
    background-color: #FFFFFF;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Títulos estilo Editorial/Corporativo */
h1, h2, h3, h4 {
    letter-spacing: -0.03em;
}

/* Progress Bar */
.progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    height: 4px;
    background: linear-gradient(90deg, #90CDF4 0%, #63B3ED 100%);
    z-index: 9999;
    transition: width 0.3s ease;
}

/* Navbar */
.navbar {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(10, 37, 64, 0.05);
    transition: all 0.4s ease;
}

.navbar.scrolled {
    background: rgba(10, 37, 64, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: 0 4px 20px rgba(10, 37, 64, 0.2);
}

.navbar.scrolled .nav-link,
.navbar.scrolled .navbar-text {
    color: #FFFFFF !important;
}

.navbar.scrolled .nav-link:hover {
    color: #90CDF4 !important;
}

/* Botón Premium B2B */
.btn-cta {
    background: linear-gradient(135deg, #90CDF4 0%, #63B3ED 100%);
    color: #0a2540;
    padding: 18px 36px;
    border-radius: 8px;
    font-weight: 800;
    display: inline-block;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    box-shadow: 0 8px 20px -6px rgba(144, 205, 244, 0.5);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    text-align: center;
    border: 1px solid rgba(255,255,255,0.1);
    text-decoration: none;
}

.btn-cta:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 15px 25px -8px rgba(144, 205, 244, 0.7);
}

/* Tarjetas Premium */
.premium-card {
    background: #FFFFFF;
    border-radius: 12px;
    transition: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    border: 2px solid rgba(0,0,0,0.04);
    box-shadow: 0 10px 30px -10px rgba(10, 37, 64, 0.08);
    position: relative;
    overflow: hidden;
}

.premium-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: 0 30px 60px -15px rgba(10, 37, 64, 0.3), 
                0 0 0 3px rgba(144, 205, 244, 0.3),
                0 0 20px rgba(144, 205, 244, 0.4);
    border: 2px solid #90CDF4;
}

/* Tarjeta Destacada - Revisoría Fiscal */
.premium-card-featured {
    background: linear-gradient(135deg, #FFFFFF 0%, #F0F9FF 100%);
    border-radius: 16px;
    transition: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    border: 3px solid #90CDF4;
    box-shadow: 0 20px 50px -10px rgba(144, 205, 244, 0.4),
                0 0 0 1px rgba(144, 205, 244, 0.1);
    position: relative;
    overflow: hidden;
}

.premium-card-featured::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(144, 205, 244, 0.05) 0%, rgba(99, 179, 237, 0.05) 100%);
    pointer-events: none;
}

.premium-card-featured:hover {
    transform: translateY(-16px) scale(1.03);
    box-shadow: 0 40px 80px -20px rgba(144, 205, 244, 0.5),
                0 0 0 4px rgba(144, 205, 244, 0.4),
                0 0 40px rgba(144, 205, 244, 0.6);
    border: 3px solid #63B3ED;
}

/* Campos de Formulario Premium */
.premium-input {
    background-color: #F8FAFC;
    border: 2px solid #E2E8F0;
    transition: all 0.3s ease;
}

.premium-input:focus {
    background-color: #FFFFFF;
    border-color: #0A2540;
    box-shadow: 0 0 0 4px rgba(10, 37, 64, 0.1);
    outline: none;
}

/* WhatsApp Float */
.whatsapp-float {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 30px;
    right: 30px;
    background-color: #25D366;
    color: #FFF;
    border-radius: 50%;
    text-align: center;
    font-size: 30px;
    box-shadow: 2px 2px 10px rgba(0, 0, 0, 0.3);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 2px 2px 15px rgba(37, 211, 102, 0.5);
}

/* Mobile Menu */
.mobile-menu {
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.mobile-menu.active {
    transform: translateX(0);
}

/* FAQ Accordion */
.faq-item {
    transition: all 0.3s ease;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
    padding: 0 24px;
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding: 0 24px 24px 24px;
}

.faq-item.active .faq-icon {
    background-color: #0A2540;
    transform: rotate(45deg);
}

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

.animate-fade-in-up {
    animation: fadeInUp 0.8s ease-out;
}

/* Responsive */
@media (max-width: 1024px) {
    .mobile-padding {
        padding-left: 24px;
        padding-right: 24px;
    }
}

@media (max-width: 768px) {
    body {
        font-size: 16px;
    }
    
    .btn-cta {
        padding: 14px 28px;
        font-size: 14px;
    }
}

/* Utilidades */
.text-gradient {
    background: linear-gradient(135deg, #90CDF4 0%, #63B3ED 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.bg-pattern {
    background-image: url("data:image/svg+xml,%3Csvg width='20' height='20' xmlns='http://www.w3.org/2000/svg'%3E%3Ccircle cx='1' cy='1' r='1' fill='rgba(255,255,255,0.05)'/%3E%3C/svg%3E");
}
