/* ==================== CARRUSEL DE RECURSOS ==================== */

.tc {
    --tc-container: 1100px;
    /* ancho del contenedor de referencia */
    --tc-pad: max(24px, calc((100vw - var(--tc-container)) / 2));
    --tc-card-w: 278px;
    --tc-card-h: 350px;
    --tc-gap: 18px;
    --tc-radius: 22px;
    --tc-ease: cubic-bezier(.22, 1, .36, 1);

    background: #000;
    color: #fff;
    padding: 80px 0 96px;
    overflow: hidden;
}

/* ---------- Botones (arriba a la derecha) ---------- */
.tc__nav {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    padding: 0 var(--tc-pad);
    margin-bottom: 40px;
}

.tc__btn {
    display: grid;
    place-items: center;
    width: 50px;
    height: 50px;
    border: 0;
    border-radius: 50%;
    background: #5a5a5a;
    color: #fff;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
    transition: background .3s ease, color .3s ease, transform .3s var(--tc-ease);
}

.tc__btn:hover:not(:disabled) {
    background: #787878;
    transform: scale(1.06);
}

.tc__btn:active:not(:disabled) {
    transform: scale(.96);
}

.tc__btn:disabled {
    background: #2a2a2a;
    color: #5f5f5f;
    cursor: default;
}

.tc__btn:focus-visible,
.tc__track:focus-visible,
.tc__card:focus-visible {
    outline: 2px solid #fff;
    outline-offset: 3px;
}

.tc__btn svg {
    width: 20px;
    height: 20px;
}

/* ---------- Carril ---------- */
.tc__track {
    display: flex;
    gap: var(--tc-gap);
    padding: 4px var(--tc-pad) 4px;
    overflow-x: auto;
    overscroll-behavior-x: contain;
    scroll-snap-type: x mandatory;
    scroll-padding-inline: var(--tc-pad);
    scrollbar-width: none;
    cursor: grab;
}

.tc__track::-webkit-scrollbar {
    display: none;
}

.tc__track.is-dragging {
    cursor: grabbing;
    scroll-snap-type: none;
    user-select: none;
}

/* ---------- Tarjeta ---------- */
.tc__card {
    position: relative;
    flex: 0 0 var(--tc-card-w);
    height: var(--tc-card-h);
    display: flex;
    flex-direction: column;
    padding: 24px;
    border-radius: var(--tc-radius);
    border: 1px solid rgba(255, 255, 255, .22);
    background: linear-gradient(180deg, #0b0b0b 0%, #000 100%);
    color: inherit;
    text-decoration: none;
    overflow: hidden;
    scroll-snap-align: start;
    opacity: 0;
    transform: translateY(24px);
    transition:
        opacity .7s var(--tc-ease),
        transform .7s var(--tc-ease),
        border-color .4s ease,
        background .4s ease;
    transition-delay: calc(var(--i, 0) * 70ms), calc(var(--i, 0) * 70ms), 0s, 0s;
}

.tc__card.is-in {
    opacity: 1;
    transform: none;
}

.tc__card:hover {
    border-color: rgba(255, 255, 255, .55);
    background: linear-gradient(180deg, #151515 0%, #050505 100%);
    transform: translateY(-6px);
    transition-delay: 0s;
}

.tc__label {
    font: 400 14px/1.2 'Inter', system-ui, sans-serif;
    letter-spacing: .01em;
    text-transform: uppercase;
    color: #ececec;
}

.tc__title {
    margin: 16px 0 0;
    font: 700 19px/1.15 'Lexend', 'Inter', system-ui, sans-serif;
    letter-spacing: -.005em;
    color: #fff;
}

/* ---------- Zona gráfica inferior ---------- */
.tc__media {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 52%;
    pointer-events: none;
}

.tc__media img,
.tc__media svg {
    display: block;
    width: 100%;
    height: 100%;
}

.tc__media img {
    object-fit: cover;
    object-position: center top;
    filter: grayscale(1) contrast(1.05);
    transition: transform .9s var(--tc-ease);
}

.tc__card:hover .tc__media img {
    transform: scale(1.06);
}

/* Gráficas SVG de ejemplo */
.tc__media svg .line {
    fill: none;
    stroke: rgba(255, 255, 255, .85);
    stroke-width: 1.5;
    stroke-dasharray: 1;
    stroke-dashoffset: 1;
}

.tc__card.is-in .tc__media svg .line {
    animation: tcDraw 1.8s .4s var(--tc-ease) forwards;
}

.tc__media svg .grid {
    stroke: rgba(255, 255, 255, .18);
    stroke-width: 1;
}

.tc__media svg .dot {
    fill: #000;
    stroke: #fff;
    stroke-width: 2;
    transform-box: fill-box;
    transform-origin: center;
    animation: tcPulse 2.6s ease-in-out infinite;
}

@keyframes tcDraw {
    to {
        stroke-dashoffset: 0;
    }
}

@keyframes tcPulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.35);
    }
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
    .tc {
        --tc-card-w: 250px;
        --tc-card-h: 330px;
        padding: 56px 0 64px;
    }

    .tc__nav {
        margin-bottom: 28px;
    }

    .tc__btn {
        width: 44px;
        height: 44px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .tc__card {
        opacity: 1;
        transform: none;
        transition: border-color .01s, background .01s;
    }

    .tc__media svg .line {
        stroke-dashoffset: 0;
        animation: none !important;
    }

    .tc__media svg .dot {
        animation: none;
    }
}