body {
        background: var(--oscuro);
        color: var(--claro);
        overflow-x: hidden;
    }

    /* -- HEADER -- */
    .page-header {
        padding: 10rem clamp(1.5rem, 6vw, 5rem) 3rem;
        border-bottom: 1px solid var(--borde-gris);
        position: relative;
    }

    .page-header::before {
        content: 'INSCRIPCIONES';
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        font-family: var(--font-display);
        font-size: clamp(5rem, 18vw, 16rem);
        color: rgba(255, 255, 255, 0.02);
        white-space: nowrap;
        pointer-events: none;
        letter-spacing: .05em;
    }

    .header-tag {
        font-size: .68rem;
        font-weight: 600;
        letter-spacing: .28em;
        text-transform: uppercase;
        color: var(--amarillo-principal);
        margin-bottom: 1rem;
    }

    .page-header h1 {
        font-family: var(--font-display);
        font-size: clamp(3rem, 8vw, 6.5rem);
        line-height: .9;
        letter-spacing: .04em;
    }

    .page-header h1 span {
        color: var(--principal);
    }

    .header-sub {
        margin-top: 1.2rem;
        font-size: 1rem;
        color: var(--text-gray2);
        font-weight: 300;
        max-width: 480px;
        line-height: 1.6;
    }

    /* -- MANUALES GLOBALES -- */
    .manuales-bar {
        background: var(--gris);
        border-bottom: 1px solid var(--borde-gris);
        padding: 1.2rem clamp(1.5rem, 6vw, 5rem);
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 1rem 2rem;
    }

    .manuales-label {
        font-size: .65rem;
        font-weight: 600;
        letter-spacing: .22em;
        text-transform: uppercase;
        color: var(--text-gray);
        white-space: nowrap;
    }

    .manuales-links {
        display: flex;
        flex-wrap: wrap;
        gap: .6rem;
    }

    .manual-btn {
        display: inline-flex;
        align-items: center;
        gap: .4rem;
        padding: .4rem 1rem;
        background: transparent;
        border: 1px solid var(--borde-gris);
        color: var(--text-light-gray);
        font-family: var(--font-body);
        font-size: .75rem;
        font-weight: 600;
        letter-spacing: .1em;
        text-transform: uppercase;
        text-decoration: none;
        border-radius: 2px;
        transition: border-color .25s, color .25s, background .25s;
    }

    .manual-btn:hover {
        border-color: var(--amarillo-principal);
        color: var(--amarillo-principal);
        background: rgba(230, 175, 73, .06);
    }

    .manual-btn svg {
        width: 13px;
        height: 13px;
        flex-shrink: 0;
    }

    /* -- GRID -- */
    .cards-section {
        padding: 3.5rem clamp(1.5rem, 6vw, 5rem) 5rem;
    }

    .cards-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 1.5px;
        background: var(--oscuro);
        border: 1.5px solid var(--borde-gris);
        border-radius: 8px;
        overflow: hidden;
    }

    /* -- CARD -- */
    .card {
        background: var(--gris-fondo);
        display: flex;
        flex-direction: column;
        opacity: 0;
        transform: translateY(24px);
        transition: opacity .55s ease, transform .55s ease;
    }

    .card.visible {
        opacity: 1;
        transform: translateY(0);
    }

    .card:nth-child(2) {
        transition-delay: .1s;
    }

    .card:nth-child(3) {
        transition-delay: .2s;
    }

    .card:nth-child(4) {
        transition-delay: .3s;
    }

    .card-img {
        position: relative;
        overflow: hidden;
        aspect-ratio: 16/9;
    }

    .card-img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        display: block;
        filter: brightness(.6) saturate(.8);
        transition: transform .5s ease, filter .5s ease;
    }

    .card:hover .card-img img {
        transform: scale(1.05);
        filter: brightness(.75) saturate(1);
    }

    .card-img-overlay {
        position: absolute;
        inset: 0;
        background: linear-gradient(to bottom, transparent 40%, var(--gris-fondo) 100%);
    }

    .card-number {
        position: absolute;
        top: 1rem;
        left: 1.2rem;
        font-family: var(--font-display);
        font-size: 3rem;
        line-height: 1;
        color: rgba(255, 255, 255, .12);
        letter-spacing: .04em;
        pointer-events: none;
    }

    .card-body {
        padding: 1.5rem 1.8rem 2rem;
        display: flex;
        flex-direction: column;
        flex: 1;
        gap: 1.2rem;
    }

    .card-head {
        display: flex;
        align-items: flex-start;
        justify-content: space-between;
        gap: 1rem;
    }

    .card-title {
        font-family: var(--font-display);
        font-size: 2rem;
        letter-spacing: .06em;
        line-height: 1;
    }

    .card-badge {
        font-size: .58rem;
        font-weight: 600;
        letter-spacing: .18em;
        text-transform: uppercase;
        padding: .3rem .7rem;
        border-radius: 2px;
        white-space: nowrap;
        flex-shrink: 0;
        margin-top: .2rem;
    }

    .badge-coches {
        background: rgba(137, 72, 72, .2);
        color: var(--principal);
        border: 1px solid rgba(137, 72, 72, .4);
    }

    .badge-motos {
        background: rgba(230, 175, 73, .15);
        color: var(--amarillo-principal);
        border: 1px solid rgba(230, 175, 73, .35);
    }

    .badge-europa {
        background: rgba(0, 56, 118, .25);
        color: #6ea8fe;
        border: 1px solid rgba(0, 56, 118, .5);
    }

    .badge-nacional {
        background: rgba(211, 105, 95, .15);
        color: var(--secundario);
        border: 1px solid rgba(211, 105, 95, .35);
    }

    .card-desc {
        font-size: .88rem;
        color: var(--text-gray2);
        line-height: 1.65;
        font-weight: 300;
    }

    /* -- NOTE (road book etc) -- */
    .card-note {
        background: rgba(255, 255, 255, .03);
        border-left: 2px solid var(--borde-gris);
        padding: .7rem 1rem;
        font-size: .78rem;
        color: var(--text-gray);
        line-height: 1.5;
    }

    .card-note strong {
        color: var(--text-light-gray);
        font-weight: 600;
    }

    /* -- LINKS FOOTER -- */
    .card-links {
        display: flex;
        flex-direction: column;
        gap: .5rem;
        margin-top: auto;
    }

    .btn-primary {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: .5rem;
        padding: .85rem 1.2rem;
        background: var(--principal);
        color: #fff;
        font-family: var(--font-display);
        font-size: 1.05rem;
        letter-spacing: .1em;
        text-decoration: none;
        border-radius: 3px;
        transition: background .25s, transform .2s;
    }

    .btn-primary:hover {
        background: var(--secundario);
        transform: translateY(-1px);
    }

    .btn-primary svg {
        width: 16px;
        height: 16px;
    }

    .btn-secondary {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: .5rem;
        padding: .75rem 1.2rem;
        background: transparent;
        border: 1px solid var(--borde-gris);
        color: var(--text-light-gray);
        font-family: var(--font-display);
        font-size: 1rem;
        letter-spacing: .1em;
        text-decoration: none;
        border-radius: 3px;
        transition: border-color .25s, color .25s, background .25s;
    }

    .btn-secondary:hover {
        border-color: var(--principal);
        color: var(--claro);
        background: rgba(137, 72, 72, .08);
    }

    .btn-secondary svg {
        width: 14px;
        height: 14px;
    }

    .btn-outline-yellow {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: .5rem;
        padding: .75rem 1.2rem;
        background: transparent;
        border: 1px solid rgba(230, 175, 73, .4);
        color: var(--amarillo-principal);
        font-family: var(--font-display);
        font-size: 1rem;
        letter-spacing: .1em;
        text-decoration: none;
        border-radius: 3px;
        transition: background .25s, border-color .25s;
    }

    .btn-outline-yellow:hover {
        background: rgba(230, 175, 73, .1);
        border-color: var(--amarillo-principal);
    }

    .btn-outline-yellow svg {
        width: 14px;
        height: 14px;
    }
    .btn-divider {
        display: flex;
        align-items: center;
        gap: .6rem;
        font-size: .6rem;
        font-weight: 600;
        letter-spacing: .18em;
        text-transform: uppercase;
        color: var(--text-gray);
    }

    .btn-divider::before,
    .btn-divider::after {
        content: '';
        flex: 1;
        height: 1px;
        background: var(--borde-gris);
    }

    /* links de reglamento y sportity */
    .card-meta-links {
        display: flex;
        gap: 1rem;
        flex-wrap: wrap;
    }

    .meta-link {
        font-size: .72rem;
        font-weight: 600;
        letter-spacing: .14em;
        text-transform: uppercase;
        color: var(--text-gray);
        text-decoration: none;
        display: flex;
        align-items: center;
        gap: .3rem;
        transition: color .2s;
    }

    .meta-link svg {
        width: 12px;
        height: 12px;
    }

    .meta-link:hover {
        color: var(--text-light-gray);
    }

    /* -- SPORTITY BLOCK -- */
    .sportity-section {
        padding: 0 clamp(1.5rem, 6vw, 5rem) 5rem;
    }

    .sportity-header {
        display: flex;
        align-items: center;
        gap: 1.5rem;
        margin-bottom: 2rem;
    }

    .sportity-header h2 {
        font-family: var(--font-display);
        font-size: clamp(1.8rem, 4vw, 2.8rem);
        letter-spacing: .06em;
        white-space: nowrap;
    }

    .sportity-line {
        flex: 1;
        height: 1px;
        background: var(--borde-gris);
    }

    .sportity-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
        gap: 1px;
        background: var(--oscuro); 
        border: 1px solid var(--borde-gris);
        border-radius: 6px;
        overflow: hidden;
    }

    .sportity-item {
        background: var(--gris);
        padding: 1.5rem 1.8rem;
        display: flex;
        flex-direction: column;
        gap: .7rem;
        opacity: 0;
        transform: translateY(16px);
        transition: opacity .5s ease, transform .5s ease;
    }

    .sportity-item.visible {
        opacity: 1;
        transform: translateY(0);
    }

    .sportity-item:nth-child(2) {
        transition-delay: .08s;
    }

    .sportity-item:nth-child(3) {
        transition-delay: .16s;
    }

    .sportity-cat {
        font-size: .6rem;
        font-weight: 600;
        letter-spacing: .22em;
        text-transform: uppercase;
        color: var(--text-gray);
    }

    .sportity-code {
        font-family: var(--font-display);
        font-size: 1.4rem;
        letter-spacing: .08em;
        color: var(--amarillo-principal);
    }

    .sportity-link {
        display: inline-flex;
        align-items: center;
        gap: .4rem;
        font-size: .72rem;
        font-weight: 600;
        letter-spacing: .14em;
        text-transform: uppercase;
        color: var(--text-light-gray);
        text-decoration: none;
        border-bottom: 1px solid var(--borde-gris);
        padding-bottom: .2rem;
        width: fit-content;
        transition: color .2s, border-color .2s;
    }

    .sportity-link:hover {
        color: var(--claro);
        border-color: var(--claro);
    }

    .sportity-link svg {
        width: 11px;
        height: 11px;
    }

@media (max-width: 1250px) {
    .cards-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Móvil: 1 columna */
@media (max-width: 772px) {
    .sportity-grid {
        grid-template-columns: 1fr;
    }
}
@media (max-width: 640px) {
    .cards-grid {
        grid-template-columns: 1fr;
        gap: 1px;
    }

    .card-head {
        flex-direction: column;
        gap: .4rem;
    }
    .cards-section {
        padding: 2rem 1rem 3rem;
    }

    .card-body {
        padding: 1.2rem 1rem 1.5rem;
    }

    .sportity-section {
        padding: 0 1rem 3rem;
    }

    .sportity-item {
        padding: 1.2rem 1rem;
    }
    .page-header::before {
        font-size: 4.5rem;
        white-space: normal;

    }
}