/* ================= HERO SECTION - PASILLOS CONFINADOS ================= */
.hero-pasillos {
    height: 70vh;
    background: linear-gradient(135deg, rgba(245, 130, 32, 0.85), rgba(0, 0, 0, 0.8)),
                url('https://images.unsplash.com/photo-1581092580497-e0d23cbdf1dc?auto=format&fit=crop&w=2070&q=80') no-repeat center/cover;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--color-white);
    margin-top: 80px;
    position: relative;
}

.hero-pasillos .hero-content {
    max-width: 800px;
    padding: 0 20px;
    z-index: 2;
}

.hero-pasillos h1 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    font-weight: 800;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.5);
}

.hero-pasillos p {
    font-size: 1.3rem;
    margin-bottom: 2.5rem;
    text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.5);
}

/* ================= CARACTERÍSTICAS PRINCIPALES ================= */
.features-section {
    padding: 80px 0;
    background: var(--color-background);
}

.features-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--color-primary);
}

.features-grid {
    display: grid;
    /* patrón centrado y columnas variables */
    --card-min: 300px;
    --cols: 1;
    grid-template-columns: repeat(var(--cols), minmax(var(--card-min), 1fr));
    justify-items: center;
    gap: 2rem;
    max-width: 1400px;
    margin-inline: auto;
}

.feature-card {
    background: var(--color-background-alt);
    padding: 2.5rem 2rem;
    border-radius: var(--border-radius);
    text-align: center;
    transition: var(--transition);
    border: 1px solid transparent;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-heavy);
    border-color: var(--color-primary);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    color: var(--color-text);
    font-size: 1.3rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.feature-card p {
    color: var(--color-text-light);
    line-height: 1.6;
    margin: 0;
}

/* ================= MÓDULOS DE TECHO ================= */
.modules-section {
    padding: 80px 0;
    background: var(--color-background-alt);
}

.modules-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--color-primary);
}

.modules-content {
    display: grid;
    /* patrón centrado y columnas variables */
    --card-min: 300px;
    --cols: 1;
    grid-template-columns: repeat(var(--cols), minmax(var(--card-min), 1fr));
    justify-items: center;
    gap: 2rem;
    max-width: 1400px;
    margin-inline: auto;
}

.module-feature {
    background: var(--color-white);
    padding: 2.5rem 2rem;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--shadow-light);
    transition: var(--transition);
}

.module-feature:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.module-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.module-feature h3 {
    color: var(--color-text);
    font-size: 1.3rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.module-feature p {
    color: var(--color-text-light);
    line-height: 1.6;
    margin: 0;
}

/* ================= SISTEMA DE ACCESOS ================= */
.access-section {
    padding: 80px 0;
    background: var(--color-background);
}

.access-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--color-primary);
}

.access-features {
    display: grid;
    /* patrón centrado y columnas variables */
    --card-min: 300px;
    --cols: 1;
    grid-template-columns: repeat(var(--cols), minmax(var(--card-min), 1fr));
    justify-items: center;
    gap: 2rem;
    max-width: 1400px;
    margin-inline: auto;
}

.access-item {
    background: var(--color-background-alt);
    padding: 2.5rem 2rem;
    border-radius: var(--border-radius);
    text-align: center;
    transition: var(--transition);
    border: 1px solid transparent;
}

.access-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
    border-color: var(--color-primary);
}

.access-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.access-item h3 {
    color: var(--color-text);
    font-size: 1.3rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.access-item p {
    color: var(--color-text-light);
    line-height: 1.6;
    margin: 0;
}

/* ================= ACCESORIOS Y COMPONENTES ================= */
.accessories-section {
    padding: 80px 0;
    background: var(--color-background-alt);
}

.accessories-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--color-primary);
}

.accessories-grid {
    display: grid;
    /* patrón centrado y columnas variables */
    --card-min: 280px;
    --cols: 1;
    grid-template-columns: repeat(var(--cols), minmax(var(--card-min), 1fr));
    justify-items: center;
    gap: 2rem;
    max-width: 1400px;
    margin-inline: auto;
}

.accessory-item {
    background: var(--color-white);
    padding: 2.5rem 2rem;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--shadow-light);
    transition: var(--transition);
}

.accessory-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.accessory-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.accessory-item h3 {
    color: var(--color-text);
    font-size: 1.3rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.accessory-item p {
    color: var(--color-text-light);
    line-height: 1.6;
    margin: 0;
}

/* ================= ESPECIFICACIONES TÉCNICAS ================= */
.specs-section {
    padding: 80px 0;
    background: var(--color-background);
}

.specs-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--color-primary);
}

.specs-content {
    max-width: 800px;
    margin: 0 auto;
}

.specs-list {
    background: var(--color-background-alt);
    padding: 3rem 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
}

.specs-list h3 {
    color: var(--color-primary);
    font-size: 1.5rem;
    margin-bottom: 2rem;
    text-align: center;
    font-weight: 600;
}

.specs-list ul {
    list-style: none;
}

.specs-list li {
    padding: 1rem 0;
    color: var(--color-text-light);
    position: relative;
    padding-left: 2rem;
    border-bottom: 1px solid var(--color-border);
}

.specs-list li:last-child {
    border-bottom: none;
}

.specs-list li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: bold;
    font-size: 1.1rem;
}

.specs-list strong {
    color: var(--color-text);
}

/* ================= BENEFICIOS ================= */
.benefits-section {
    padding: 80px 0;
    background: var(--color-background-alt);
}

.benefits-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--color-primary);
}

.benefits-grid {
    display: grid;
    /* patrón centrado y columnas variables */
    --card-min: 300px;
    --cols: 1;
    grid-template-columns: repeat(var(--cols), minmax(var(--card-min), 1fr));
    justify-items: center;
    gap: 2rem;
    max-width: 1400px;
    margin-inline: auto;
}

.benefit-item {
    background: var(--color-white);
    padding: 2.5rem 2rem;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--shadow-light);
    transition: var(--transition);
}

.benefit-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-heavy);
}

.benefit-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.benefit-item h3 {
    color: var(--color-text);
    font-size: 1.3rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.benefit-item p {
    color: var(--color-text-light);
    line-height: 1.6;
    margin: 0;
}

/* ================= APLICACIONES ================= */
.applications-section {
    padding: 80px 0;
    background: var(--color-background);
}

/* Breakpoints unificados para columnas variables en grids de Pasillos Confinados */
@media (min-width: 600px) {
    .features-grid,
    .modules-content,
    .access-features,
    .accessories-grid,
    .benefits-grid,
    .applications-grid {
        --cols: 2;
    }
}

@media (min-width: 900px) {
    .features-grid,
    .modules-content,
    .access-features,
    .accessories-grid,
    .benefits-grid,
    .applications-grid {
        --cols: 4;
    }
}

@media (min-width: 1300px) {
    .features-grid,
    .modules-content,
    .access-features,
    .accessories-grid,
    .benefits-grid,
    .applications-grid {
        --cols: 6;
    }
}

.applications-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--color-primary);
}

.applications-grid {
    display: grid;
    /* patrón centrado y columnas variables */
    --card-min: 280px;
    --cols: 1;
    grid-template-columns: repeat(var(--cols), minmax(var(--card-min), 1fr));
    justify-items: center;
    gap: 2rem;
    max-width: 1400px;
    margin-inline: auto;
}

.application-item {
    background: var(--color-background-alt);
    padding: 2.5rem 2rem;
    border-radius: var(--border-radius);
    text-align: center;
    transition: var(--transition);
    border: 1px solid transparent;
}

.application-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
    border-color: var(--color-primary);
}

.application-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.application-item h3 {
    color: var(--color-text);
    font-size: 1.3rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.application-item p {
    color: var(--color-text-light);
    line-height: 1.6;
    margin: 0;
}

/* ================= CTA SECTION ================= */
.cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: var(--color-white);
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
}

.cta-section .btn-primary {
    background: var(--color-white);
    color: var(--color-primary);
    border-color: var(--color-white);
}

.cta-section .btn-primary:hover {
    background: transparent;
    color: var(--color-white);
    border-color: var(--color-white);
}

/* ================= RESPONSIVE DESIGN ================= */
@media (max-width: 1024px) {
    .hero-pasillos h1 {
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {
    .hero-pasillos {
        height: 60vh;
        margin-top: 70px;
    }
    
    .hero-pasillos h1 {
        font-size: 2.2rem;
    }
    
    .hero-pasillos p {
        font-size: 1.1rem;
    }
    
    .features-grid,
    .modules-content,
    .access-features,
    .accessories-grid,
    .benefits-grid,
    .applications-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-content h2 {
        font-size: 2rem;
    }
    
    .features-section h2,
    .modules-section h2,
    .access-section h2,
    .accessories-section h2,
    .specs-section h2,
    .benefits-section h2,
    .applications-section h2 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .hero-pasillos {
        height: 50vh;
        margin-top: 60px;
    }
    
    .hero-pasillos h1 {
        font-size: 1.8rem;
    }
    
    .feature-card,
    .module-feature,
    .access-item,
    .accessory-item,
    .benefit-item,
    .application-item {
        padding: 1.5rem 1rem;
    }
    
    .specs-list {
        padding: 2rem 1.5rem;
    }
    
    .cta-content h2 {
        font-size: 1.8rem;
    }
    
    .cta-content p {
        font-size: 1rem;
    }
}

/* ================= ANIMACIONES ESPECÍFICAS ================= */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.feature-card,
.module-feature,
.access-item,
.accessory-item,
.benefit-item,
.application-item {
    animation: fadeInUp 0.6s ease forwards;
}

/* Retrasos escalonados para las animaciones */
.feature-card:nth-child(1) { animation-delay: 0.1s; }
.feature-card:nth-child(2) { animation-delay: 0.2s; }
.feature-card:nth-child(3) { animation-delay: 0.3s; }

.benefit-item:nth-child(1) { animation-delay: 0.1s; }
.benefit-item:nth-child(2) { animation-delay: 0.2s; }
.benefit-item:nth-child(3) { animation-delay: 0.3s; }
.benefit-item:nth-child(4) { animation-delay: 0.4s; }
.benefit-item:nth-child(5) { animation-delay: 0.5s; }
.benefit-item:nth-child(6) { animation-delay: 0.6s; }

.application-item:nth-child(1) { animation-delay: 0.1s; }
.application-item:nth-child(2) { animation-delay: 0.2s; }
.application-item:nth-child(3) { animation-delay: 0.3s; }
.application-item:nth-child(4) { animation-delay: 0.4s; }