/* Estilos Globales - Psicóloga Marcia Matus */

@import url('https://fonts.googleapis.com/css2?family=Cardo:ital,wght@0,400;0,700;1,400&family=Inter:wght@300;400;500;600&family=Poppins:wght@400;500;600;700&display=swap');

/* Reset Básico */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px; /* Base */
}

body {
    background-color: var(--color-bg-marfil);
    color: var(--color-text-dark);
    font-family: var(--font-body);
    font-weight: 400;
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Tipografía */
h1, h2, h3, h4, h5, h6 {
    color: var(--color-primary);
    line-height: 1.25;
    margin-bottom: var(--space-sm);
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast), border-color var(--transition-fast);
}

img, svg {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Contenedores y Estructura */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--space-md);
    padding-right: var(--space-md);
}

/* Componentes Comunes */

/* Botones Premium */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 1.6rem;
    font-family: var(--font-technical);
    font-size: 0.95rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    cursor: pointer;
    border: 1px solid transparent;
    transition: background-color var(--transition-fast), 
                color var(--transition-fast), 
                border-color var(--transition-fast), 
                transform var(--transition-fast),
                box-shadow var(--transition-fast);
    box-shadow: 0 2px 4px rgba(0,0,0,0.02);
}

.btn:active {
    transform: translateY(1px);
}

.btn--primary {
    background-color: var(--color-primary);
    color: var(--color-text-light);
}

.btn--primary:hover {
    background-color: #0d3446;
    box-shadow: 0 4px 8px rgba(24, 73, 96, 0.15);
}

.btn--accent {
    background-color: var(--color-accent);
    color: var(--color-text-light);
}

.btn--accent:hover {
    background-color: #9d506d;
    box-shadow: 0 4px 8px rgba(178, 104, 133, 0.15);
}

.btn--outline {
    background-color: transparent;
    border-color: var(--color-primary);
    color: var(--color-primary);
}

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

.btn--outline-white {
    background-color: transparent;
    border-color: var(--color-text-light);
    color: var(--color-text-light);
}

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

/* Header & Navegación */
.header {
    background-color: rgba(253, 251, 247, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    height: var(--header-height);
    transition: background-color var(--transition-fast);
}

.header__container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.header__logo {
    display: flex;
    align-items: center;
}

.header__logo img {
    height: 48px;
    width: auto;
}

.nav {
    display: flex;
    gap: var(--space-md);
}

.nav__link {
    font-family: var(--font-technical);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-muted);
    position: relative;
    padding: 0.5rem 0;
}

.nav__link:hover {
    color: var(--color-primary);
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--color-primary);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--transition-fast);
}

.nav__link:hover::after,
.nav__link.is-active::after {
    transform: scaleX(1);
    transform-origin: left;
}

.nav__link.is-active {
    color: var(--color-primary);
}

/* Menú hamburguesa para Mobile */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 101;
}

.menu-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--color-primary);
    transition: transform var(--transition-fast), opacity var(--transition-fast);
}

/* Footer Compartido */
.footer {
    background-color: var(--color-bg-dark);
    color: var(--color-text-light);
    padding-top: var(--space-xl);
    padding-bottom: var(--space-md);
    font-size: 0.9rem;
    border-top: 1px solid rgba(245, 239, 235, 0.1);
}

.footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr;
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.footer__brand img {
    height: 40px;
    width: auto;
    filter: brightness(0) invert(1);
    margin-bottom: var(--space-sm);
}

.footer__brand-text {
    font-family: var(--font-heading-clinical);
    font-size: 1.4rem;
    margin-bottom: var(--space-xs);
}

.footer__brand-sub {
    color: var(--color-bg-sepia);
    font-size: 0.85rem;
    margin-bottom: var(--space-sm);
    letter-spacing: 0.5px;
}

.footer__desc {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.5;
}

.footer__title {
    font-family: var(--font-technical);
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text-light);
    margin-bottom: var(--space-md);
    letter-spacing: 0.5px;
}

.footer__links {
    list-style: none;
}

.footer__links li {
    margin-bottom: var(--space-xs);
}

.footer__links a {
    color: rgba(255, 255, 255, 0.7);
}

.footer__links a:hover {
    color: var(--color-bg-sepia);
    padding-left: 2px;
}

.footer__contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-xs);
    margin-bottom: var(--space-sm);
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.4;
}

.footer__contact-item strong {
    color: var(--color-text-light);
}

.footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--space-md);
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.8rem;
}

/* Formulario - Estilos de entrada compartidos */
.form-group {
    margin-bottom: var(--space-md);
    text-align: left;
}

.form-label {
    display: block;
    font-family: var(--font-technical);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-text-dark);
    margin-bottom: 0.4rem;
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    font-family: var(--font-body);
    font-size: 0.95rem;
    background-color: var(--color-text-light);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-dark);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(24, 73, 96, 0.15);
}

.form-control.is-invalid {
    border-color: var(--color-accent); /* Usamos el rosa malva como aviso sin romper el tono */
}

.form-control.is-invalid:focus {
    box-shadow: 0 0 0 3px rgba(178, 104, 133, 0.15);
}

.error-message {
    color: var(--color-accent);
    font-family: var(--font-technical);
    font-size: 0.8rem;
    font-weight: 500;
    margin-top: 4px;
}

.form-success-alert {
    background-color: rgba(24, 73, 96, 0.05);
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    text-align: center;
    color: var(--color-primary);
    margin-bottom: var(--space-md);
    font-family: var(--font-technical);
    font-size: 0.95rem;
    font-weight: 500;
}

.form-note {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-top: var(--space-sm);
    line-height: 1.4;
}

/* Contenedor de Formulario Compartido (Card) */
.form-container {
    width: 100%;
    max-width: 650px;
    margin: 0 auto;
    background-color: var(--color-bg-marfil);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl) var(--space-lg);
    box-shadow: 0 10px 30px rgba(24, 73, 96, 0.02);
}

.form-container__header {
    text-align: center;
    margin-bottom: var(--space-lg);
}

.form-container__title {
    font-family: var(--font-heading-clinical);
    font-size: 2rem;
    font-weight: 400;
    color: var(--color-primary);
}

.form-container__desc {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

/* Preguntas Frecuentes Compartido (FAQs) */
.faqs-section {
    background-color: var(--color-bg-beige);
    padding-top: var(--space-xxl);
    padding-bottom: var(--space-xxl);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.faqs__title {
    text-align: center;
    font-family: var(--font-heading-clinical);
    font-size: 2.2rem;
    font-weight: 400;
    margin-bottom: var(--space-xl);
}

.faqs__list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.faq-item {
    background-color: var(--color-bg-marfil);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.faq-item__question {
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    padding: var(--space-sm) var(--space-md);
    font-family: var(--font-heading-clinical);
    font-size: 1.15rem;
    color: var(--color-primary);
    font-weight: 500;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color var(--transition-fast);
}

.faq-item__question:hover {
    background-color: rgba(24, 73, 96, 0.02);
}

.faq-item__icon {
    transition: transform var(--transition-fast);
    color: var(--color-accent);
    flex-shrink: 0;
}

.faq-item__answer {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    padding: 0 var(--space-md) 0; /* Sin padding inferior cuando está cerrado */
    font-size: 0.95rem;
    color: var(--color-text-muted);
    line-height: 1.6;
    transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1), 
                opacity 0.3s ease,
                padding 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Acordeón abierto */
.faq-item.is-active .faq-item__answer {
    opacity: 1;
    padding: 0 var(--space-md) var(--space-sm); /* Padding completo al abrir */
}

.faq-item.is-active .faq-item__icon {
    transform: rotate(180deg);
}

/* Botón Flotante de WhatsApp (Maquetado pero inactivo) */
.whatsapp-btn {
    position: fixed;
    bottom: var(--space-md);
    right: var(--space-md);
    background-color: #25D366;
    color: var(--color-text-light);
    border-radius: 50%;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
    z-index: 999;
    cursor: pointer;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.whatsapp-btn:hover {
    transform: scale(1.08);
    box-shadow: 0 6px 14px rgba(0, 0, 0, 0.2);
}

.whatsapp-btn svg {
    width: 32px;
    height: 32px;
    fill: currentColor;
}

/* Clase de desactivación/ocultación */
.whatsapp-btn.is-hidden {
    display: none !important;
}

/* Responsive Media Queries */
@media (max-width: 900px) {
    .footer__grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-lg);
    }
    
    .footer__brand {
        grid-column: span 2;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }
    
    .nav {
        display: none; /* Se activará con JS para el menú móvil */
    }
    
    .footer__grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    
    .footer__brand {
        grid-column: span 1;
    }
}

/* --- Sistema de Animaciones Premium (Scroll Reveal & Hero Elements) --- */

/* Elemento base para scroll reveal */
.reveal-element {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), 
                transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
}

.reveal-element.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Retrasos para cascadas (staggered delay) */
.delay-100 { transition-delay: 100ms; }
.delay-200 { transition-delay: 200ms; }
.delay-300 { transition-delay: 300ms; }
.delay-400 { transition-delay: 400ms; }
.delay-500 { transition-delay: 500ms; }

/* Animación inicial del Hero (sin esperar al IntersectionObserver para evitar parpadeos visuales al cargar la página) */
@keyframes heroFadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-animate {
    animation: heroFadeInUp 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    opacity: 0; /* Empieza oculto hasta que corre la animación */
}

/* Retrasos de animación en CSS para elementos del Hero */
.hero-delay-1 { animation-delay: 150ms; }
.hero-delay-2 { animation-delay: 300ms; }
.hero-delay-3 { animation-delay: 450ms; }
.hero-delay-4 { animation-delay: 600ms; }

/* Efecto Hover sutil para tarjetas (Cards) */
.hover-premium {
    transition: transform var(--transition-normal), 
                border-color var(--transition-normal), 
                box-shadow var(--transition-normal);
}

.hover-premium:hover {
    transform: translateY(-4px) !important;
    box-shadow: 0 12px 30px rgba(24, 73, 96, 0.08) !important;
}

/* --- Sistema de Carruseles Premium (Desktop & Mobile) --- */
.premium-carousel {
    display: flex !important;
    overflow-x: auto !important;
    scroll-snap-type: x mandatory !important;
    scroll-behavior: smooth;
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE/Edge */
    width: 100%;
    -webkit-overflow-scrolling: touch;
    align-items: stretch; /* Asegura alturas uniformes de tarjetas */
}

.premium-carousel::-webkit-scrollbar {
    display: none; /* Chrome, Safari, Opera */
}

.premium-carousel-item {
    scroll-snap-align: start !important;
    flex: 0 0 100% !important; /* Mobile por defecto */
    height: auto;
}

@media (min-width: 768px) {
    /* Mostrar 3 tarjetas en escritorio */
    .premium-carousel-item--3 {
        flex: 0 0 calc((100% - 2 * var(--space-md)) / 3) !important;
    }
    
    /* Mostrar 4 tarjetas en escritorio (para hitos) */
    .premium-carousel-item--4 {
        flex: 0 0 calc((100% - 3 * var(--space-md)) / 4) !important;
    }
}

/* Flechas de navegación del Carrusel */
.carousel-arrow {
    display: none; /* oculto por defecto en móvil */
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    background-color: rgba(253, 251, 247, 0.95);
    border: 1px solid var(--color-border);
    border-radius: 50%;
    color: var(--color-primary);
    cursor: pointer;
    z-index: 10;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}

.carousel-arrow:hover {
    background-color: var(--color-primary);
    color: var(--color-bg-marfil);
    box-shadow: 0 6px 15px rgba(24, 73, 96, 0.15);
}

.carousel-arrow--prev {
    left: -22px;
}

.carousel-arrow--next {
    right: -22px;
}

.carousel-arrow svg {
    width: 20px;
    height: 20px;
}

@media (min-width: 768px) {
    .carousel-arrow {
        display: flex;
    }
}