/* ============================================================
   Timeline Horizontal Alterno - Flujo de Datos iSAT
   Idéntico al archivo ejemplo — desktop horizontal + mobile vertical
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ─── Sección ─── */
.tl-section {
    padding: 6rem 0;
    background-color: #f8fafc;
    position: relative;
    overflow: hidden;
}

.tl-wrap {
    max-width: 80rem;         /* max-w-7xl */
    margin: 0 auto;
    padding: 0 1rem;
}

/* ─── Cabecera ─── */
.tl-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.tl-title {
    font-size: clamp(1.875rem, 4vw, 2.25rem);
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.tl-subtitle {
    color: #64748b;
    max-width: 42rem;
    margin: 0 auto;
    font-size: 1.125rem;
    line-height: 1.6;
}

/* ================================================================
   DESKTOP — Timeline Horizontal Alterno  (>= 1024 px)
   ================================================================ */
.tl-desktop {
    display: none;
}

@media (min-width: 1024px) {
    .tl-desktop {
        display: block;
        position: relative;
        width: 100%;
        padding: 16rem 0;
        margin-top: 2rem;
    }

    /* Línea central horizontal */
    .tl-hline {
        position: absolute;
        top: 50%;
        left: 1rem;
        right: 1rem;
        height: 0.25rem;
        background-color: #cbd5e1;       /* bg-slate-300 */
        transform: translateY(-50%);
        border-radius: 9999px;
        z-index: 0;
    }

    /* Contenedor flex de los nodos */
    .tl-nodes {
        display: flex;
        justify-content: space-between;
        align-items: center;
        position: relative;
        z-index: 10;
        padding: 0 1rem;
    }

    /* Cada nodo individual */
    .tl-node {
        position: relative;
        display: flex;
        justify-content: center;
        width: 100%;
    }

    /* Círculo numerado */
    .tl-circle {
        width: 2rem;
        height: 2rem;
        border-radius: 9999px;
        color: #fff;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 0.875rem;
        font-weight: 700;
        border: 4px solid #f8fafc;
        box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1);
        z-index: 20;
        transition: transform 0.3s ease;
    }

    .tl-node:hover .tl-circle {
        transform: scale(1.25);
    }

    /* Línea conectora vertical */
    .tl-connector {
        position: absolute;
        left: 50%;
        width: 2px;
        height: 3rem;
        transform: translateX(-50%);
        z-index: 10;
        transition: height 0.3s ease;
    }

    .tl-node:hover .tl-connector {
        height: 3.5rem;
    }

    /* Conector abajo (impares) */
    .tl-node--down .tl-connector {
        top: 1rem;
    }

    /* Conector arriba (pares) */
    .tl-node--up .tl-connector {
        bottom: 1rem;
    }

    /* Tarjeta */
    .tl-card {
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
        width: 10rem;
        background: #fff;
        border-radius: 0.75rem;
        box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
        border: 1px solid #e2e8f0;
        overflow: hidden;
        transition: all 0.3s ease;
        z-index: 15;
    }

    @media (min-width: 1280px) {
        .tl-card {
            width: 12rem;
        }
    }

    /* Tarjeta abajo (impares) */
    .tl-node--down .tl-card {
        top: 4rem;
    }

    .tl-node--down:hover .tl-card {
        transform: translateX(-50%) translateY(-0.25rem);
        box-shadow: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1);
    }

    /* Tarjeta arriba (pares) */
    .tl-node--up .tl-card {
        bottom: 4rem;
    }

    .tl-node--up:hover .tl-card {
        transform: translateX(-50%) translateY(0.25rem);
        box-shadow: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1);
    }

    /* Imagen dentro de tarjeta */
    .tl-card__img-wrap {
        height: 5rem;
        overflow: hidden;
        position: relative;
        background-color: #f1f5f9;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    @media (min-width: 1280px) {
        .tl-card__img-wrap {
            height: 6rem;
        }
    }

    .tl-card__img {
        width: 100%;
        height: 100%;
        object-fit: contain; /* Para que la imagen no se recorte */
        padding: 0.25rem;
        transition: transform 0.5s ease;
    }

    .tl-node:hover .tl-card__img {
        transform: scale(1.1);
    }

    /* Texto dentro de tarjeta */
    .tl-card__body {
        padding: 1rem;
        text-align: center;
    }

    .tl-card__title {
        font-weight: 700;
        font-size: 0.75rem;
        color: #0f172a;
        margin-bottom: 0.5rem;
        line-height: 1.3;
    }

    @media (min-width: 1280px) {
        .tl-card__title {
            font-size: 0.875rem;
        }
    }

    .tl-card__desc {
        font-size: 10px;
        color: #475569;
        line-height: 1.5;
        display: -webkit-box;
        -webkit-line-clamp: 4;
        -webkit-box-orient: vertical;
        overflow: hidden;
        cursor: pointer;
    }

    .tl-card__desc.expanded {
        -webkit-line-clamp: unset;
        display: block;
    }

    @media (min-width: 1280px) {
        .tl-card__desc {
            font-size: 11px;
        }
    }
}

/* ================================================================
   MOBILE / TABLET — Timeline Vertical  (< 1024 px)
   ================================================================ */
.tl-mobile {
    display: block;
    position: relative;
    margin-top: 3rem;
    max-width: 32rem;         /* max-w-lg */
    margin-left: auto;
    margin-right: auto;
}

@media (min-width: 1024px) {
    .tl-mobile {
        display: none;
    }
}

/* Línea lateral izquierda */
.tl-vline {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 1.5rem;
    width: 0.25rem;
    background-color: #e2e8f0;
    border-radius: 9999px;
}

.tl-mobile__list {
    padding: 1.5rem 0;
}

/* Cada fila móvil */
.tl-mrow {
    position: relative;
    padding-left: 4rem;
    padding-right: 1rem;
    margin-bottom: 2.5rem;
}

.tl-mrow:last-child {
    margin-bottom: 0;
}

/* Círculo lateral */
.tl-mrow__circle {
    position: absolute;
    left: 0.625rem;
    top: 1.5rem;
    width: 2rem;
    height: 2rem;
    border-radius: 9999px;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    font-weight: 700;
    border: 4px solid #f8fafc;
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1);
}

/* Tarjeta horizontal */
.tl-mrow__card {
    background: #fff;
    border-radius: 0.75rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    border: 1px solid #e2e8f0;
    overflow: hidden;
    display: flex;
    align-items: center;
}

.tl-mrow__img-wrap {
    width: 33.333%;
    min-height: 100px;
    background-color: #f1f5f9;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tl-mrow__img {
    width: 100%;
    height: 100px;
    object-fit: contain;
    padding: 0.25rem;
    display: block;
}

.tl-mrow__body {
    width: 66.666%;
    padding: 1rem;
}

.tl-mrow__body--full {
    width: 100%;
}

.tl-mrow__title {
    font-weight: 700;
    font-size: 0.875rem;
    color: #0f172a;
    margin-bottom: 0.25rem;
    line-height: 1.3;
}

.tl-mrow__desc {
    font-size: 11px;
    color: #475569;
    line-height: 1.5;
}