/* ============================================
   PÁGINA DE TRATAMIENTOS - CSS
   Autor: SUA-B
   ============================================ */

/* ============================================
   VARIABLES
   ============================================ */
:root {
    --trat-black: #1a1a1a;
    --trat-gray-dark: #333;
    --trat-gray: #666;
    --trat-gray-light: #999;
    --trat-gray-border: #ddd;
    --trat-white: #fff;
    --trat-bg: #fff;
}

/* ============================================
   PÁGINA PRINCIPAL
   ============================================ */
.tratamientos-page {
    padding-top: 100px;
    min-height: 100vh;
    background: var(--trat-bg);
}

/* ============================================
   HEADER
   ============================================ */
.tratamientos-header {
    text-align: left;
    padding: 50px 20px 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.tratamientos-header__subtitle {
    font-family: M-Regular, sans-serif;
    font-size: 12px;
    letter-spacing: 4px;
    color: var(--trat-gray-light);
    margin-bottom: 15px;
    text-transform: uppercase;
}

.tratamientos-header__title {
    font-family: M-Bold, sans-serif;
    font-size: 42px;
    color: var(--trat-black);
    margin-bottom: 20px;
    line-height: 1.1;
}

.tratamientos-header__description {
    font-family: M-Regular, sans-serif;
    font-size: 17px;
    color: var(--trat-gray);
    max-width: 600px;
    line-height: 1.7;
}

@media (max-width: 768px) {
    .tratamientos-header {
        padding: 30px 20px 20px;
    }
    .tratamientos-header__title {
        font-size: 32px;
    }
    .tratamientos-header__description {
        font-size: 15px;
    }
}

/* ============================================
   FILTROS
   ============================================ */
.tratamientos-filtros {
    padding: 25px 20px;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.tratamientos-filtro {
    font-family: M-Regular, sans-serif;
    font-size: 14px;
    padding: 12px 24px;
    border: 1px solid var(--trat-gray-border);
    border-radius: 50px;
    background: var(--trat-white);
    color: var(--trat-gray-dark);
    cursor: pointer;
    transition: all 0.25s ease;
    white-space: nowrap;
}

.tratamientos-filtro:hover {
    border-color: var(--trat-gray-light);
    background: #fafafa;
}

.tratamientos-filtro.active {
    background: var(--trat-black);
    color: var(--trat-white);
    border-color: var(--trat-black);
}

.tratamientos-filtro__count {
    font-size: 12px;
    color: var(--trat-gray-light);
    margin-left: 6px;
}

.tratamientos-filtro.active .tratamientos-filtro__count {
    color: rgba(255, 255, 255, 0.6);
}

@media (max-width: 768px) {
    .tratamientos-filtros {
        padding: 15px 20px;
        gap: 8px;
        overflow-x: auto;
        flex-wrap: nowrap;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }
    .tratamientos-filtros::-webkit-scrollbar {
        display: none;
    }
    .tratamientos-filtro {
        font-size: 13px;
        padding: 10px 18px;
    }
}

/* ============================================
   CONTADOR
   ============================================ */
.tratamientos-contador {
    padding: 15px 20px 25px;
    max-width: 1200px;
    margin: 0 auto;
    font-family: M-Regular, sans-serif;
    font-size: 14px;
    color: var(--trat-gray);
}

/* ============================================
   GRID DE TARJETAS
   ============================================ */
.tratamientos-grid {
    padding: 0 20px 60px;
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 20px;
}

@media (min-width: 576px) {
    .tratamientos-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 992px) {
    .tratamientos-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 25px;
    }
}

@media (min-width: 1200px) {
    .tratamientos-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ============================================
   TARJETA DE TRATAMIENTO
   ============================================ */
.tratamiento-card {
    position: relative;
    aspect-ratio: 3/4;
    overflow: hidden;
    cursor: pointer;
    text-decoration: none;
    display: block;
}

/* Imagen */
.tratamiento-card__imagen {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.tratamiento-card__imagen img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.tratamiento-card:hover .tratamiento-card__imagen img {
    transform: scale(1.08);
}

/* Overlay */
.tratamiento-card__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        to top,
        rgba(0, 0, 0, 0.85) 0%,
        rgba(0, 0, 0, 0.3) 40%,
        rgba(0, 0, 0, 0.05) 100%
    );
    transition: background 0.4s ease;
}

.tratamiento-card:hover .tratamiento-card__overlay {
    background: linear-gradient(
        to top,
        rgba(0, 0, 0, 0.9) 0%,
        rgba(0, 0, 0, 0.5) 50%,
        rgba(0, 0, 0, 0.15) 100%
    );
}

/* Contenido básico (siempre visible) */
.tratamiento-card__content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 30px 25px;
    z-index: 2;
    transition: transform 0.4s ease;
}

.tratamiento-card__nombre {
    font-family: M-Medium, sans-serif;
    font-size: 18px;
    color: var(--trat-white);
    margin: 0 0 8px 0;
    line-height: 1.3;
}

.tratamiento-card__precio {
    font-family: M-Regular, sans-serif;
    font-size: 15px;
    color: rgba(255, 255, 255, 0.75);
    margin: 0;
}

/* ============================================
   PANEL EXPANDIBLE (HOVER)
   ============================================ */
.tratamiento-card__expand {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--trat-white);
    padding: 30px 25px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    z-index: 3;
    transform: translateX(-100%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.tratamiento-card:hover .tratamiento-card__expand {
    transform: translateX(0);
}

.tratamiento-card__expand-nombre {
    font-family: M-Medium, sans-serif;
    font-size: 20px;
    color: var(--trat-black);
    margin: 0 0 15px 0;
    line-height: 1.3;
}

.tratamiento-card__expand-descripcion {
    font-family: M-Regular, sans-serif;
    font-size: 14px;
    color: var(--trat-gray);
    line-height: 1.6;
    margin: 0 0 20px 0;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.tratamiento-card__expand-precio {
    font-family: M-Medium, sans-serif;
    font-size: 18px;
    color: var(--trat-black);
    margin: 0;
}

.tratamiento-card__expand-duracion {
    font-family: M-Regular, sans-serif;
    font-size: 13px;
    color: var(--trat-gray-light);
    margin-top: 5px;
}

/* CTA en panel expandible */
.tratamiento-card__expand-cta {
    display: none;
}

/* ============================================
   SOPORTE TOUCH (MÓVIL)
   ============================================ */
@media (max-width: 991px) {
    /* Ocultar panel por defecto en móvil */
    .tratamiento-card__expand {
        transform: translateY(100%);
        transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    }

    /* Mostrar panel cuando la tarjeta está activa (tap) */
    .tratamiento-card.is-active .tratamiento-card__expand {
        transform: translateY(0);
    }

    /* Oscurecer overlay cuando activa */
    .tratamiento-card.is-active .tratamiento-card__overlay {
        background: rgba(0, 0, 0, 0.7);
    }

    /* Mostrar CTA en móvil */
    .tratamiento-card__expand-cta {
        display: block;
        font-family: M-Regular, sans-serif;
        font-size: 12px;
        color: var(--trat-gray-light);
        margin-top: 15px;
        text-align: center;
    }
}

/* ============================================
   ANIMACIONES DE ENTRADA
   ============================================ */
.tratamiento-card {
    opacity: 0;
    transform: translateY(30px);
    animation: tratCardFadeIn 0.5s ease forwards;
}

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

/* ============================================
   TRANSICIÓN DE FILTROS
   ============================================ */
.tratamientos-filtro {
    transition: all 0.25s ease, transform 0.15s ease;
}

.tratamientos-filtro:active {
    transform: scale(0.95);
}

/* ============================================
   ESTADO VACÍO
   ============================================ */
.tratamientos-empty {
    text-align: center;
    padding: 80px 20px;
    grid-column: 1 / -1;
}

.tratamientos-empty__icon {
    font-size: 48px;
    color: var(--trat-gray-light);
    margin-bottom: 20px;
}

.tratamientos-empty__text {
    font-family: M-Regular, sans-serif;
    font-size: 16px;
    color: var(--trat-gray);
}