/* Estilos principales de la plataforma web */

/* Variables para uso global si se requieren */
:root {
    --tanColorFondo: #3a3a3a; /* Gris neutro oscuro */
    --tanColorOscuro: #f8f9fa; /* Texto claro */
    --tanColorDorado: #b48e3e;
    --tanColorDoradoLuz: #d4af37;
    --tanGradiente: linear-gradient(135deg, #3a3a3a 0%, #2a2a2a 100%);
    --tanSombra: 0 20px 40px rgba(0, 0, 0, 0.4);
    --tanTransicion: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    background-color: var(--tanColorFondo);
    color: var(--tanColorOscuro);
    font-family: 'Outfit', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

/* Header Glassmorphism Pro Dark Gray */
.tan-header-pro {
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    background-color: rgba(58, 58, 58, 0.8);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: var(--tanTransicion);
}

/* Hero Section Dark Gray */
.tan-hero-vanguardia {
    position: relative;
    padding: 180px 0 120px;
    background: radial-gradient(circle at 20% 50%, #4a4a4a 0%, #3a3a3a 100%);
    overflow: hidden;
}

.tan-hero-background {
    position: absolute;
    top: 0;
    right: 0;
    width: 60%;
    height: 100%;
    background-image: url('../../assets/img/banner_web.png');
    background-size: cover;
    background-position: center;
    mask-image: linear-gradient(to left, black 40%, transparent 100%);
    -webkit-mask-image: linear-gradient(to left, black 40%, transparent 100%);
    opacity: 0.4; /* Reducir opacidad para que no compita con el texto */
    z-index: 1;
}

/* Typography Pro Dark */
.tan-display-pro {
    font-weight: 700;
    font-size: 4.5rem;
    letter-spacing: -2px;
    line-height: 1.1;
    color: #ffffff;
    margin-bottom: 1.5rem;
}

.tan-texto-dorado-brillante {
    background: linear-gradient(90deg, var(--tanColorDorado), var(--tanColorDoradoLuz), var(--tanColorDorado));
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: tanGlowTexto 3s linear infinite;
}

@keyframes tanGlowTexto {
    to { background-position: 200% center; }
}

/* Botón Tan Premium Gray */
.tan-btn-vanguardia {
    display: inline-block;
    padding: 16px 40px;
    background-color: #2a2a2a;
    color: white;
    border-radius: 100px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--tanTransicion);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.tan-btn-vanguardia:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 35px rgba(0, 0, 0, 0.3);
    color: white;
    background-color: var(--tanColorDorado);
}

/* Sección Identificación */
.tan-seccion-identificacion {
    background-color: rgba(0, 0, 0, 0.2);
}

.tan-linea-decorativa {
    width: 60px;
    height: 4px;
    background-color: var(--tanColorDorado);
    border-radius: 2px;
}

.tan-card-empatia {
    background-color: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    transition: var(--tanTransicion);
}

.tan-card-empatia:hover {
    background-color: rgba(255, 255, 255, 0.05);
    border-color: var(--tanColorDorado);
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.tan-card-empatia p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.4;
}

/* Logo Placeholder */
.tan-logo-placeholder {
    border-radius: 8px;
}

/* Animaciones */
.tan-revelar {
    opacity: 0;
    transform: translateY(30px);
    animation: tanRevelarAnim 1s ease forwards;
}

@keyframes tanRevelarAnim {
    to { opacity: 1; transform: translateY(0); }
}

/* Sección Problema - Estilo Blanco Premium */
.tan-card-presentacion {
    background-color: #ffffff;
    border: none;
    border-radius: 40px;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.15);
    color: #1a1a1a;
}

.tan-tag-superior {
    background-color: rgba(180, 142, 62, 0.15);
    color: var(--tanColorDorado);
    padding: 8px 20px;
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.tan-blockquote-problema {
    font-size: 2.2rem;
    font-weight: 700;
    line-height: 1.2;
    color: #1a1a1a;
}

.tan-cuerpo-problema p {
    font-size: 1.15rem;
    color: #4a4a4a;
    line-height: 1.8;
}

.tan-conclusiva {
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    padding-top: 30px;
}

/* Sección Metodología */
.tan-seccion-metodologia {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.tan-item-metodo {
    border-left: 1px solid rgba(180, 142, 62, 0.3);
    padding-left: 25px;
    transition: var(--tanTransicion);
}

.tan-item-metodo:hover {
    border-left-color: var(--tanColorDorado);
    transform: translateX(10px);
}

.tan-icono-metodo {
    font-size: 2rem;
    color: var(--tanColorDorado);
}

.tan-cierre-metodo {
    border: 1px dashed rgba(180, 142, 62, 0.4);
    border-radius: 20px;
    background-color: rgba(180, 142, 62, 0.05);
}

/* Sección Información */
.tan-card-info {
    background-color: rgba(255, 255, 255, 0.02);
    border-bottom: 3px solid var(--tanColorDorado);
    border-radius: 12px;
    transition: var(--tanTransicion);
}

.tan-card-info:hover {
    background-color: rgba(255, 255, 255, 0.05);
    transform: translateY(-5px);
}

/* Sección Paso Final (CTA) */
.tan-card-cta {
    background: radial-gradient(circle at center, rgba(180, 142, 62, 0.08) 0%, rgba(0, 0, 0, 0) 100%);
    border: 1px solid rgba(180, 142, 62, 0.2);
    border-radius: 40px;
}

.tan-badge-cta {
    background-color: rgba(255, 255, 255, 0.03);
    padding: 10px 15px;
    border-radius: 12px;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
}

/* Sección FAQ */
.tan-accordion {
    background: transparent;
}

.tan-accordion .accordion-item {
    background-color: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 15px !important;
    margin-bottom: 15px;
    overflow: hidden;
}

.tan-accordion .accordion-button {
    background-color: transparent;
    color: #ffffff;
    font-weight: 600;
    padding: 20px 25px;
    box-shadow: none;
    transition: var(--tanTransicion);
}

.tan-accordion .accordion-button:not(.collapsed) {
    background-color: rgba(180, 142, 62, 0.05);
    color: var(--tanColorDorado);
}

.tan-accordion .accordion-button::after {
    filter: invert(1);
}

.tan-accordion .accordion-body {
    background-color: transparent;
    color: rgba(255, 255, 255, 0.6);
    padding: 0 25px 25px;
    line-height: 1.6;
}

/* Sección Final */
.tan-seccion-final {
    background: linear-gradient(to bottom, transparent, rgba(180, 142, 62, 0.05));
    border-top: 1px solid rgba(255, 255, 255, 0.03);
}

/* Footer */
.tan-footer {
    background-color: rgba(0, 0, 0, 0.3);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.tan-footer-link {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    transition: var(--tanTransicion);
}

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

.tan-social-icon {
    font-size: 1.5rem;
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    transition: var(--tanTransicion);
}

.tan-social-icon:hover {
    color: var(--tanColorDorado);
    transform: translateY(-3px);
}

/* Elementos Flotantes */
.tan-btn-flotante {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: #2a2a2a; /* Fondo oscuro para contraste */
    color: var(--tanColorDorado); /* Icono dorado */
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    cursor: pointer;
    border: 1px solid rgba(180, 142, 62, 0.3);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
    transition: var(--tanTransicion);
    text-decoration: none;
}

.tan-btn-flotante:hover {
    transform: scale(1.1) translateY(-5px);
    background-color: var(--tanColorDorado);
    color: #ffffff;
    border-color: var(--tanColorDorado);
}


.tan-bg-whatsapp {
    background-color: #25d366;
    border: none;
    color: #ffffff !important;
}

.tan-bg-whatsapp:hover {
    background-color: #128c7e;
}






/* Sección Diferencia */
.tan-tabla-comparativa {
    background-color: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    overflow: hidden;
}

.tan-header-tabla {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    background-color: rgba(255, 255, 255, 0.03);
}

.tan-fila-comparativa {
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.tan-fila-comparativa:last-child {
    border-bottom: none;
}

.border-white-10 {
    border-color: rgba(255, 255, 255, 0.1) !important;
}

.bg-white-5 {
    background-color: rgba(255, 255, 255, 0.03);
}

.opacity-40 {
    opacity: 0.4;
}