/* ============================================
produccion.css
   ============================================ */

/* ── HEADER IMAGEN ── */
.sec-header-img {
    width: 100%;
    line-height: 0;
}

.sec-header-img img {
    width: 100%;
    height: auto;
    display: block;
}

/* ── TEXTO SOBRE IMAGEN ── */
.prod-texto-section {
    position: relative;
    width: 100%;
    padding-bottom: 71%;
    background-image: url('../assets/img/produccion/fondo-produccion.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.prod-texto-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to right,
            rgba(0, 0, 0, 0.88) 0%,
            rgba(0, 0, 0, 0.6) 45%,
            rgba(0, 0, 0, 0.05) 100%);
    z-index: 0;
}

.prod-texto-section .prod-hero-texto {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    left: 0;
    z-index: 1;
    width: 50%;
    padding: 0 64px;
    margin: 0;
    text-align: left;
}

.prod-hero-texto h1 {
    font-family: var(--fuente-titulo);
    font-size: 36px;
    color: var(--color-blanco);
    letter-spacing: 6px;
    line-height: 1.2;
    margin-bottom: 16px;
}

.prod-hero-texto h1 span {
    color: var(--color-rojo);
}

.prod-hero-sub {
    font-family: var(--fuente-cuerpo);
    font-size: 11px;
    letter-spacing: 5px;
    color: var(--color-rojo);
    text-transform: uppercase;
    margin-bottom: 32px !important;
}

.prod-hero-texto p {
    margin-bottom: 16px;
    color: #ccc;
}

.prod-destacado {
    color: var(--color-rojo) !important;
    font-style: italic;
    font-size: 15px !important;
    margin-top: 8px;
}

/* ── TARJETAS FLIP ── */
.prod-tarjetas {
    position: relative;
    padding: 80px 48px;
    border-top: 1px solid var(--color-borde);
    background-image: url('../assets/img/fondos/fondos-varios-04.svg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
}

.prod-tarjetas::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.75);
    z-index: 0;
}

.prod-tarjetas-inner {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    max-width: 960px;
    margin: 0 auto;
}

.flip-card {
    height: 280px;
    perspective: 1000px;
    cursor: pointer;
}

.flip-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.7s ease;
    transform-style: preserve-3d;
}

.flip-card:hover .flip-inner {
    transform: rotateY(180deg);
}

.flip-front,
.flip-back {
    position: absolute;
    inset: 0;
    backface-visibility: hidden;
    border-radius: 8px;
    padding: 32px 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: 12px;
}

.flip-front {
    background: #111;
    border: 1px solid var(--color-borde);
    border-top: 2px solid var(--color-rojo);
}

.flip-front i {
    font-size: 36px;
    color: var(--color-rojo);
}

.flip-front h3 {
    font-family: var(--fuente-titulo);
    font-size: 16px;
    color: var(--color-blanco);
    letter-spacing: 3px;
}

.flip-front p {
    font-size: 12px;
    color: #666;
    letter-spacing: 1px;
}

.flip-hint {
    font-size: 10px;
    letter-spacing: 2px;
    color: var(--color-rojo);
    text-transform: uppercase;
    margin-top: auto;
    display: flex;
    align-items: center;
    gap: 4px;
}

.flip-back {
    background: var(--color-rojo);
    transform: rotateY(180deg);
}

.flip-back h3 {
    font-family: var(--fuente-titulo);
    font-size: 16px;
    color: var(--color-blanco);
    letter-spacing: 3px;
    margin-bottom: 8px;
}

.flip-back p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.7;
}

/* ── PROCESO ANIMADO ── */
.prod-fondo {
    position: relative;
    width: 100%;
    background-image: url('../assets/img/fondos/fondos-varios-04.svg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
}

.prod-fondo-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.75);
    z-index: 0;
}

.prod-proceso-inner {
    position: relative;
    z-index: 1;
    padding: 80px 48px;
    text-align: center;
}

.prod-proceso-inner h2 {
    font-family: var(--fuente-titulo);
    font-size: 36px;
    color: var(--color-blanco);
    letter-spacing: 8px;
    margin-bottom: 64px;
}

.prod-proceso-inner h2 span {
    color: var(--color-rojo);
}

/* ── PASOS ── */
.pasos {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    align-items: start;
    max-width: 700px;
    margin: 0 auto;
    position: relative;
}

/* Línea horizontal de fondo */
.pasos::before {
    content: '';
    position: absolute;
    top: 32px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: #222;
    z-index: 0;
}

.paso {
    display: flex;
    flex-direction: column;
    align-items: center;
    opacity: 0.3;
    transition: opacity 0.5s ease;
    padding: 0 8px;
    position: relative;
    z-index: 1;
}

.paso.activo {
    opacity: 1;
}

.paso-icono {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: #111;
    border: 2px solid #333;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: #444;
    transition: all 0.5s ease;
    position: relative;
    z-index: 1;
}

.paso.activo .paso-icono {
    background: var(--color-rojo);
    border-color: var(--color-rojo);
    color: var(--color-blanco);
    box-shadow: 0 0 20px rgba(192, 20, 26, 0.5);
}

.paso-linea {
    display: none;
}

.paso p {
    font-family: var(--fuente-cuerpo);
    font-size: 11px;
    letter-spacing: 2px;
    color: #666;
    text-transform: uppercase;
    margin-top: 16px;
    text-align: center;
    transition: color 0.5s ease;
    max-width: 100px;
    line-height: 1.8;
}

.paso.activo p {
    color: var(--color-blanco);
}

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
    .prod-texto-section .prod-hero-texto {
        width: 70%;
        padding: 0 32px;
    }

    .prod-tarjetas-inner {
        grid-template-columns: 1fr;
        max-width: 400px;
    }

    .pasos {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px;
    }

    .pasos::before {
        display: none;
    }

    .prod-proceso-inner {
        padding: 48px 24px;
    }
}

@media (max-width: 480px) {
    .prod-texto-section {
        padding-bottom: 0;
        background-image: url('../assets/img/produccion/fondo-produccion.jpg');
        background-size: cover;
        background-position: center;
        min-height: auto;
    }

    .prod-texto-overlay {
        background: rgba(0, 0, 0, 0.85);
    }

    .prod-texto-section .prod-hero-texto {
        position: relative;
        top: auto;
        transform: none;
        width: 100%;
        padding: 48px 24px;
    }

    .prod-hero-texto h1 {
        font-size: 22px;
        letter-spacing: 3px;
    }

    .prod-tarjetas {
        padding: 48px 24px;
        background-attachment: scroll;
    }

    .pasos {
        grid-template-columns: 1fr;
    }

    .prod-fondo {
        background-attachment: scroll;
    }

    /* Cards flip en mobile */
    .flip-card:active .flip-inner {
        transform: rotateY(180deg);
    }
}