/* ================================================
   CÓMO FUNCIONA — como-funciona.css
   ================================================ */

.step-card,
.funciona__importante,
.funciona__cta {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.is-visible {
    opacity: 1 !important;
    transform: translateY(0) !important;
}

/* ── Encabezado ── */
.funciona {
    padding: var(--space-10) var(--container-padding);
    max-width: var(--container-max);
    margin: 0 auto;
}

.funciona__main-title {
    font-size: clamp(1.8rem, 3vw, 2.6rem);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    margin: 0 0 var(--space-2);
    font-family: var(--font-primary);
    text-align: center;
}

.funciona__main-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    text-align: center;
    margin: 0 0 var(--space-8);
}

/* ── Banda título ── */
.funciona__band {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-xl);
    margin-bottom: var(--space-6);
    box-shadow: var(--shadow-md);
}

.funciona__band--student {
    background-color: var(--color-primary);
}

.funciona__band--teacher {
    background-color: var(--color-navy);
}

.funciona__band-title {
    font-size: clamp(1.1rem, 2vw, 1.5rem);
    font-weight: var(--font-weight-bold);
    color: var(--color-white);
    margin: 0;
    font-family: var(--font-primary);
}

.funciona__band-icon {
    width: 32px;
    height: 32px;
    object-fit: contain;
}

/* ════════════════════════════════════════════
   SERPENTINA — contenedor SVG + cards
   El SVG se dibuja con JS sobre el contenedor
════════════════════════════════════════════ */
.snake-section {
    position: relative;
    /* padding-top para que los números flotantes no se corten */
    padding-top: 24px;
    margin-bottom: var(--space-2);
}

/* SVG de líneas punteadas — puesto absolutamente detrás */
.snake-svg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: visible;
}

/* Grid de cards */
.snake-grid {
    position: relative;
    z-index: 1;
    display: grid;
    gap: 0 var(--space-4);
}

.snake-grid--4 {
    grid-template-columns: repeat(4, 1fr);
}

.snake-grid--3 {
    grid-template-columns: repeat(3, 1fr);
}

/* Cada card-wrapper tiene el offset vertical */
.snake-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* Impares (1,3,5): desplazadas HACIA ABAJO */
.snake-item.down {
    padding-top: 80px;
}

/* Pares (2,4,6): sin desplazamiento (arriba) */
.snake-item.up {
    padding-top: 0;
}

/* ════════════════════════════════════════════
   STEP CARD
════════════════════════════════════════════ */
.step-card {
    position: relative;
    width: 100%;
    display: flex;
    flex-direction: column;
    background-color: #ffffff;
    border: 2.5px solid #f29224;
    border-radius: 20px;
    overflow: visible;
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.09);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    margin-top: 20px;
    /* espacio para el número */
}

.step-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(242, 146, 36, 0.22);
}

/* Número flotante */
.step-card__num {
    position: absolute;
    top: -18px;
    left: 50%;
    transform: translateX(-50%);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: #f29224;
    color: #fff;
    font-size: 0.85rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 4;
    box-shadow: 0 3px 10px rgba(242, 146, 36, 0.5);
}

/* Imagen */
.step-card__img-wrap {
    padding: 28px 16px 12px;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #ffffff;
    border-radius: 20px 20px 0 0;
    min-height: 140px;
}

.step-card__img {
    width: 65%;
    max-width: 105px;
    height: auto;
    object-fit: contain;
}

/* Texto */
.step-card__body {
    background-color: #feedd9;
    padding: 12px 16px 18px;
    text-align: center;
    border-radius: 0 0 20px 20px;
    flex: 1;
}

.step-card__title {
    font-size: 0.95rem;
    font-weight: 700;
    color: #215f59;
    margin: 0 0 6px;
}

.step-card__text {
    font-size: 0.82rem;
    color: #555;
    margin: 0;
    line-height: 1.55;
}

/* ════════════════════════════════════════════
   CARD ANCHA FINAL
════════════════════════════════════════════ */
.funciona__wide-row {
    display: flex;
    justify-content: center;
    margin-bottom: var(--space-4);
}

.step-card--wide {
    max-width: 700px;
    width: 100%;
    overflow: hidden;
    margin-top: 30px;
}

.step-card--wide .step-card__body {
    border-radius: 20px 20px 0 0;
    order: -1;
}

.step-card--wide .step-card__img-wrap {
    padding: 0;
    min-height: unset;
    border-radius: 0 0 20px 20px;
}

.step-card--wide .step-card__img {
    width: 100%;
    max-width: 100%;
    height: 220px;
    object-fit: cover;
}

/* ── Conector vertical entre bloques ── */
.v-connector-wrap {
    display: flex;
    justify-content: center;
    margin: 0;
}

/* el SVG vertical se inyecta por JS también, pero como fallback: */
.v-connector-wrap svg {
    display: block;
}

/* ════════════════════════════════════════════
   IMPORTANTE
════════════════════════════════════════════ */
.funciona__importante {
    background-color: var(--color-primary);
    border-radius: var(--radius-2xl);
    padding: var(--space-5) var(--space-8);
    margin-top: var(--space-10);
    display: flex;
    align-items: center;
    gap: var(--space-6);
}

.funciona__importante-icon {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    color: #fff;
    flex-shrink: 0;
}

.funciona__importante-icon i {
    font-size: 2.8rem;
}

.funciona__importante-icon span {
    font-size: 0.85rem;
    font-weight: 700;
}

.funciona__importante-text {
    font-size: 1rem;
    color: #fff;
    margin: 0;
    line-height: 1.6;
    font-weight: 600;
}

/* ════════════════════════════════════════════
   CTA FINAL
════════════════════════════════════════════ */
.funciona__reviews {
    text-align: center;
    padding: var(--space-10) var(--container-padding) 0;
    max-width: var(--container-max);
    margin: 0 auto;
}

.funciona__reviews-title {
    font-size: clamp(1.5rem, 3vw, 2.2rem);
    font-weight: 700;
    color: var(--color-primary);
    margin: 0 0 8px;
    font-family: var(--font-primary);
}

.funciona__reviews-sub {
    font-size: 1rem;
    color: var(--color-text-secondary);
    margin: 0 0 4px;
}

.funciona__reviews-cta {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-navy);
    margin: 0 0 var(--space-8);
}

.funciona__cta {
    position: relative;
    background-image: url('/img/icons/ninosCentral.svg');
    background-size: cover;
    background-position: center;
    min-height: 33rem;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: var(--space-6);
    overflow: hidden;
}

.funciona__cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.35);
}

.funciona__cta-btns {
    position: relative;
    z-index: 1;
    display: flex;
    gap: var(--space-6);
    flex-wrap: wrap;
    justify-content: center;
}

.funciona__cta-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 32px;
    border-radius: var(--radius-xl);
    border: 2.5px solid #fff;
    font-size: 1.1rem;
    font-weight: 700;
    font-family: var(--font-primary);
    color: #fff;
    text-decoration: none;
    transition: transform 0.2s, filter 0.2s;
}

.funciona__cta-btn:hover {
    transform: translateY(-2px);
    filter: brightness(1.1);
    color: #fff;
}

.funciona__cta-btn--student {
    background-color: var(--color-primary);
}

.funciona__cta-btn--teacher {
    background-color: var(--color-navy);
}

.funciona__cta-btn img {
    width: 28px;
    height: 28px;
    object-fit: contain;
}

/* ════════════════════════════════════════════
   RESPONSIVE
════════════════════════════════════════════ */
@media (max-width: 1024px) {
    .snake-grid--4 {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-8) var(--space-4);
    }

    .snake-grid--3 {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: var(--space-8) var(--space-4);
    }

    .snake-item.down,
    .snake-item.up {
        padding-top: var(--space-6);
    }

    .snake-svg {
        display: none;
    }
}

@media (max-width: 768px) {
    .funciona {
        padding: var(--space-8) var(--space-4);
    }

    .snake-grid--4,
    .snake-grid--3 {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: var(--space-6) var(--space-3);
    }

    .snake-item.down,
    .snake-item.up {
        padding-top: var(--space-5);
    }

    .snake-svg {
        display: none;
    }

    .funciona__importante {
        flex-direction: column;
        text-align: center;
        gap: 12px;
        padding: var(--space-5);
    }

    .funciona__cta-btns {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {

    .snake-grid--4,
    .snake-grid--3 {
        grid-template-columns: 1fr !important;
    }

    .step-card--wide {
        max-width: 100%;
    }
}