/* ============================================
   LLAQTA INGENIEROS — productos.css
   Página de catálogo de productos
   ============================================ */

/* ─── HERO BANNER ─── */
.hero-banner {
    position: relative;
    height: 350px;
    background:
        linear-gradient(to bottom, rgba(0,0,0,0.45) 0%, rgba(0,0,0,0.72) 100%),
        url('../img/productos.jpg') center / cover no-repeat;
    background-color: var(--negro);
    display: flex;
    align-items: flex-end;
    padding: 0 5% 3rem;
    overflow: hidden;
}

.hero-banner::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent 0%, var(--amarillo) 40%, var(--amarillo-hover) 60%, transparent 100%);
}

.hero-inner {
    max-width: 1300px;
    width: 100%;
    margin: 0 auto;
}

.hero-label {
    display: block;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--amarillo);
    margin-bottom: 0.5rem;
}

.hero-title {
    font-family: var(--fuente-titulo);
    font-size: clamp(3rem, 7vw, 5.5rem);
    letter-spacing: 0.06em;
    line-height: 1;
    color: var(--blanco);
    margin: 0;
}

.hero-title span { color: var(--amarillo); }

/* ─── RESPONSIVE HERO ─── */
@media (max-width: 680px) {
    .hero-banner { height: 240px; padding-bottom: 2rem; }
}

/* ============================================
   PRODUCTO DESTACADO (BOLTSENSE)
   ============================================ */
.prod-featured {
    padding: 100px 0;
    background: var(--blanco);
    position: relative;
    overflow: hidden;
}

.prod-featured::before {
    content: 'BOLTSENSE';
    position: absolute;
    top: 50%;
    right: -40px;
    transform: translateY(-50%) rotate(-90deg);
    font-family: var(--fuente-titulo);
    font-size: 10rem;
    letter-spacing: 8px;
    color: rgba(45,90,39,0.04);
    pointer-events: none;
    white-space: nowrap;
    z-index: 0;
}

.prod-featured-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 72px;
    align-items: center;
    position: relative;
    z-index: 1;
}

/* Imagen principal destacada */
.prod-featured-img-wrap {
    position: relative;
}

.prod-featured-img {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    aspect-ratio: 4/3;
    background: #1a1a1a;
    box-shadow: 0 32px 80px rgba(0,0,0,0.18);
}

.prod-featured-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.85);
    transition: transform 0.8s ease, filter 0.8s ease;
}

.prod-featured-img:hover img {
    transform: scale(1.04);
    filter: brightness(1);
}

.prod-img-fallback {
    background: linear-gradient(135deg, var(--verde-oscuro) 0%, var(--verde) 100%) !important;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Badge "Producto Insignia" */
.prod-featured-badge {
    position: absolute;
    top: 20px;
    left: 20px;
    background: var(--amarillo);
    color: var(--negro);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 6px 14px;
    border-radius: 30px;
    display: flex;
    align-items: center;
    gap: 6px;
    z-index: 2;
    box-shadow: 0 4px 16px rgba(242,183,5,0.4);
}

/* Número grande en esquina */
.prod-featured-tag {
    position: absolute;
    bottom: 20px;
    right: 20px;
    font-family: var(--fuente-titulo);
    font-size: 6rem;
    line-height: 1;
    color: rgba(255,255,255,0.15);
    letter-spacing: 2px;
    z-index: 2;
    pointer-events: none;
}

/* Tarjeta de specs flotante */
.prod-specs-card {
    position: absolute;
    bottom: -20px;
    left: 32px;
    background: var(--negro);
    border-radius: 12px;
    padding: 16px 20px;
    display: flex;
    gap: 20px;
    box-shadow: 0 16px 40px rgba(0,0,0,0.25);
    border: 1px solid rgba(255,255,255,0.08);
    z-index: 3;
}

.prod-spec-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: rgba(255,255,255,0.7);
}

.prod-spec-item svg {
    color: var(--amarillo);
    flex-shrink: 0;
}

/* Texto lado derecho */
.prod-featured-texto {
    padding: 8px 0 0;
}

.prod-category-tag {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--verde);
    padding: 4px 14px;
    background: rgba(45,90,39,0.08);
    border-radius: 20px;
    border: 1px solid rgba(45,90,39,0.18);
    margin-bottom: 16px;
}

.prod-featured-nombre {
    font-family: var(--fuente-titulo);
    font-size: clamp(2.2rem, 4vw, 3.6rem);
    letter-spacing: 2px;
    line-height: 1;
    color: var(--negro);
    margin-bottom: 10px;
}

.prod-featured-sub {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gris-medio);
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.prod-featured-desc {
    font-size: 0.96rem;
    color: #555;
    line-height: 1.85;
    margin-bottom: 14px;
}

.prod-featured-desc strong { color: var(--verde); font-weight: 700; }

.prod-featured-features {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin: 28px 0 36px;
    padding-top: 4px;
}

.prod-feat-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
}

.prod-feat-icon {
    width: 34px;
    height: 34px;
    background: rgba(45,90,39,0.1);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--verde);
    flex-shrink: 0;
    margin-top: 1px;
}

.prod-feat-item strong {
    display: block;
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--negro);
    text-transform: uppercase;
    letter-spacing: 0.3px;
    margin-bottom: 2px;
}

.prod-feat-item span {
    font-size: 0.85rem;
    color: #666;
    line-height: 1.6;
}

.prod-featured-ctas {
    display: flex;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
}

.prod-btn-specs {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--verde);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: color var(--transicion);
}

.prod-btn-specs:hover { color: var(--verde-claro); }

/* ============================================
   GRID DE PRODUCTOS SECUNDARIOS
   ============================================ */
.prod-grid-section {
    padding: 100px 0;
    background: var(--gris-claro);
}

.prod-grid-header {
    text-align: center;
    margin-bottom: 56px;
}

.prod-grid-header h2 {
    font-family: var(--fuente-titulo);
    font-size: clamp(2.2rem, 5vw, 3.5rem);
    letter-spacing: 1px;
    color: var(--negro);
    margin: 8px 0 14px;
}

.prod-grid-header p {
    font-size: 1rem;
    color: #666;
    max-width: 500px;
    margin: 0 auto;
    line-height: 1.7;
}

/* Grid adaptable */
.prod-cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

/* ── Tarjeta base ── */
.prod-card {
    background: var(--blanco);
    border-radius: 14px;
    overflow: hidden;
    border: 1.5px solid #e8e5df;
    display: flex;
    flex-direction: column;
    transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
    box-shadow: 0 6px 24px rgba(0,0,0,0.06);
}

.prod-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 28px 60px rgba(0,0,0,0.13);
    border-color: var(--verde);
}

/* Imagen de la tarjeta */
.prod-card-img {
    position: relative;
    width: 100%;
    height: 220px;
    overflow: hidden;
    background: #1a1a1a;
}

.prod-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.82);
    transition: transform 0.6s ease, filter 0.6s ease;
}

.prod-card:hover .prod-card-img img {
    transform: scale(1.07);
    filter: brightness(1);
}

.prod-card-img-fallback {
    background: linear-gradient(135deg, var(--verde-oscuro), var(--verde)) !important;
}

/* Overlay de imagen */
.prod-card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.55) 0%, transparent 60%);
    pointer-events: none;
    z-index: 1;
}

/* Número grande */
.prod-card-num {
    position: absolute;
    bottom: 14px;
    right: 16px;
    font-family: var(--fuente-titulo);
    font-size: 4rem;
    line-height: 1;
    color: rgba(255,255,255,0.22);
    letter-spacing: 1px;
    z-index: 2;
    pointer-events: none;
}

/* Badge de categoría */
.prod-card-cat-badge {
    position: absolute;
    top: 14px;
    left: 14px;
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    padding: 5px 12px;
    border-radius: 20px;
    background: rgba(45,90,39,0.85);
    color: var(--blanco);
    backdrop-filter: blur(6px);
    z-index: 2;
    border: 1px solid rgba(255,255,255,0.2);
}

.prod-cat-nuevo {
    background: rgba(242,183,5,0.9) !important;
    color: var(--negro) !important;
}

.prod-cat-gateway {
    background: rgba(30,61,90,0.85) !important;
}

.prod-cat-software {
    background: rgba(80,50,120,0.85) !important;
}

/* Cuerpo de la tarjeta */
.prod-card-body {
    padding: 24px 22px 28px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.prod-card-body h3 {
    font-family: var(--fuente-titulo);
    font-size: 1.55rem;
    letter-spacing: 0.5px;
    color: var(--negro);
    margin-bottom: 10px;
    line-height: 1.1;
    transition: color 0.3s ease;
}

.prod-card:hover .prod-card-body h3 { color: var(--verde); }

.prod-card-body p {
    font-size: 0.88rem;
    color: #666;
    line-height: 1.75;
    margin-bottom: 18px;
    flex: 1;
}

.text-amarillo { color: var(--amarillo) !important; }

/* Specs list dentro de la tarjeta */
.prod-card-specs {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 7px;
    margin-bottom: 22px;
}

.prod-card-specs li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.82rem;
    color: #555;
    font-weight: 600;
}

.prod-card-specs li svg { color: var(--verde); flex-shrink: 0; }

/* Footer de la tarjeta */
.prod-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    border-top: 1px solid #eee;
    padding-top: 18px;
    margin-top: auto;
}

.prod-card-cta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--amarillo);
    color: var(--negro);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 9px 18px;
    border-radius: 4px;
    text-decoration: none;
    border: 2px solid var(--amarillo);
    transition: background var(--transicion), transform var(--transicion), box-shadow var(--transicion);
}

.prod-card-cta:hover {
    background: var(--amarillo-hover);
    border-color: var(--amarillo-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(242,183,5,0.3);
}

.prod-card-cta svg { transition: transform var(--transicion); }
.prod-card-cta:hover svg { transform: translateX(3px); }

.prod-card-link {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--gris-medio);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: color var(--transicion);
}

.prod-card-link:hover { color: var(--verde); }

/* Variante ACCENT (WEARSENSE) — borde amarillo */
.prod-card--accent {
    border-color: rgba(242,183,5,0.4);
}

.prod-card--accent:hover {
    border-color: var(--amarillo);
    box-shadow: 0 28px 60px rgba(242,183,5,0.15);
}

/* Variante DARK — fondo oscuro */
.prod-card--dark {
    background: var(--negro);
    border-color: rgba(255,255,255,0.07);
}

.prod-card--dark:hover {
    border-color: var(--amarillo);
    box-shadow: 0 28px 60px rgba(242,183,5,0.12);
}

.prod-card--dark .prod-card-body h3 { color: var(--blanco); }
.prod-card--dark:hover .prod-card-body h3 { color: var(--amarillo); }
.prod-card--dark .prod-card-body p { color: rgba(255,255,255,0.55); }
.prod-card--dark .prod-card-specs li { color: rgba(255,255,255,0.65); }
.prod-card--dark .prod-card-footer { border-color: rgba(255,255,255,0.08); }
.prod-card--dark .prod-card-link { color: rgba(255,255,255,0.4); }
.prod-card--dark .prod-card-link:hover { color: var(--amarillo); }

/* Tarjeta con fondo personalizado (sin imagen real) */
.prod-card-img--custom {
    background: linear-gradient(135deg, #0f0f0f 0%, var(--verde-oscuro) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.prod-custom-bg {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    color: var(--verde-claro);
}

/* ── Animación de entrada ── */
.anim-ready {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.55s ease, transform 0.55s ease;
}

.anim-ready.visible {
    opacity: 1;
    transform: translateY(0);
}

.prod-cards-grid .prod-card:nth-child(1) { transition-delay: 0.05s; }
.prod-cards-grid .prod-card:nth-child(2) { transition-delay: 0.12s; }
.prod-cards-grid .prod-card:nth-child(3) { transition-delay: 0.19s; }
.prod-cards-grid .prod-card:nth-child(4) { transition-delay: 0.05s; }
.prod-cards-grid .prod-card:nth-child(5) { transition-delay: 0.12s; }
.prod-cards-grid .prod-card:nth-child(6) { transition-delay: 0.19s; }

/* ============================================
   SISTEMA / PIPELINE
   ============================================ */
.prod-sistema {
    padding: 100px 0;
    background: var(--negro);
    position: relative;
    overflow: hidden;
}

.prod-sistema::before {
    content: '';
    position: absolute;
    bottom: -120px;
    left: -120px;
    width: 480px;
    height: 480px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(45,90,39,0.18) 0%, transparent 70%);
    pointer-events: none;
}

.prod-sistema-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 68px;
}

.prod-sistema-header h2 {
    font-family: var(--fuente-titulo);
    font-size: clamp(2rem, 4.5vw, 3.2rem);
    letter-spacing: 1px;
    color: var(--blanco);
    margin: 8px 0 14px;
}

.prod-sistema-header p {
    font-size: 1rem;
    color: rgba(255,255,255,0.5);
    line-height: 1.7;
}

.prod-sistema-header .section-label {
    color: var(--amarillo);
}

.prod-sistema-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    flex-wrap: wrap;
}

.prod-sistema-step {
    flex: 1;
    min-width: 180px;
    max-width: 220px;
    text-align: center;
    padding: 36px 24px;
    background: rgba(255,255,255,0.03);
    border-radius: 14px;
    border: 1px solid rgba(255,255,255,0.07);
    transition: background 0.3s ease, border-color 0.3s ease, transform 0.3s ease;
    position: relative;
}

.prod-sistema-step:hover {
    background: rgba(45,90,39,0.15);
    border-color: rgba(45,90,39,0.4);
    transform: translateY(-4px);
}

.prod-sis-num {
    font-family: var(--fuente-titulo);
    font-size: 0.7rem;
    letter-spacing: 3px;
    color: var(--amarillo);
    text-transform: uppercase;
    margin-bottom: 16px;
    opacity: 0.7;
}

.prod-sis-icon {
    width: 60px;
    height: 60px;
    background: rgba(242,183,5,0.08);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--amarillo);
    margin: 0 auto 16px;
    transition: background 0.3s ease;
}

.prod-sistema-step:hover .prod-sis-icon {
    background: rgba(242,183,5,0.16);
}

.prod-sistema-step h4 {
    font-family: var(--fuente-titulo);
    font-size: 1.4rem;
    letter-spacing: 1px;
    color: var(--blanco);
    margin-bottom: 10px;
}

.prod-sistema-step p {
    font-size: 0.83rem;
    color: rgba(255,255,255,0.45);
    line-height: 1.65;
}

.prod-sistema-arrow {
    color: rgba(242,183,5,0.4);
    flex-shrink: 0;
    padding: 0 8px;
    display: flex;
    align-items: center;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1060px) {
    .prod-featured-grid { gap: 48px; }
    .prod-cards-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 860px) {
    .prod-featured-grid {
        grid-template-columns: 1fr;
        gap: 60px;
    }

    .prod-specs-card {
        left: 16px;
        bottom: -16px;
        flex-wrap: wrap;
        gap: 12px;
    }

    .prod-featured::before { display: none; }

    .prod-cards-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }

    .prod-sistema-steps { gap: 12px; }

    .prod-sistema-step {
        min-width: 140px;
        padding: 24px 16px;
    }

    .prod-sistema-arrow {
        padding: 0 4px;
    }

    .prod-sistema-arrow svg { width: 22px; height: 22px; }
}

@media (max-width: 680px) {
    .prod-featured { padding: 70px 0 80px; }

    .prod-featured-img { aspect-ratio: 16/10; }

    .prod-specs-card {
        position: relative;
        left: 0;
        bottom: 0;
        margin-top: 16px;
        justify-content: center;
    }

    .prod-cards-grid { grid-template-columns: 1fr; }

    .prod-grid-section, .prod-sistema { padding: 70px 0; }

    .prod-sistema-steps {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }

    .prod-sistema-step {
        max-width: 100%;
        min-width: unset;
        text-align: left;
        display: flex;
        flex-direction: row;
        align-items: center;
        gap: 18px;
        padding: 20px 20px;
    }

    .prod-sis-icon { flex-shrink: 0; margin: 0; }
    .prod-sis-num { margin-bottom: 4px; }

    .prod-sistema-arrow {
        transform: rotate(90deg);
        justify-content: center;
        padding: 4px 0;
    }
}