/* public/css/css_fabricacion.css */

/* VARIABLES CSS */
:root {
    --fab-primary-color: #2c5f6f;
    --fab-secondary-color: #4b7581;
    --fab-accent-color: #5a9bb5;
    --fab-success-color: #10b981;
    --fab-warning-color: #f59e0b;
    --fab-danger-color: #ef4444;
    --fab-dark-color: #1a1a1a;
    --fab-secondary-dark: #333333;
    --fab-light-color: #f8fafc;
    --fab-white: #ffffff;
    --fab-gray-50: #f9fafb;
    --fab-gray-100: #f3f4f6;
    --fab-gray-200: #e5e7eb;
    --fab-gray-300: #d1d5db;
    --fab-gray-400: #9ca3af;
    --fab-gray-500: #6b7280;
    --fab-gray-600: #4b5563;
    --fab-gray-700: #374151;
    --fab-gray-800: #1f2937;
    
    /* Colores específicos de fabricación */
    --fab-steel-color: #708090;
    --fab-fire-color: #ff4500;
    --fab-spark-color: #ffd700;
    --fab-industrial-blue: #1e3a8a;
    
    /* Sombras y efectos */
    --fab-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --fab-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --fab-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --fab-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --fab-shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Transiciones y animaciones */
    --fab-transition: all 0.3s ease;
    --fab-transition-fast: all 0.15s ease;
    --fab-border-radius: 12px;
    --fab-max-width: 1400px;
    
    /* Variables responsivas */
    --fab-hero-height: 90vh;
    --fab-section-padding: 6rem 2rem;
    --fab-card-padding: 2.5rem;
    --fab-gap-large: 4rem;
    --fab-gap-medium: 2rem;
    --fab-gap-small: 1rem;
}

/* RESET Y BASE */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--fab-dark-color);
    background: var(--fab-white);
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* CONTAINER */
.fab-container {
    max-width: var(--fab-max-width);
    margin: 0 auto;
    padding: 0 1rem;
    width: 100%;
}

/* HERO SECTION */
.fab-hero {
    position: relative;
    min-height: var(--fab-hero-height);
    background: linear-gradient(135deg, var(--fab-primary-color) 0%, var(--fab-secondary-color) 50%, var(--fab-accent-color) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    margin: 0;
    padding: 0;
}

.fab-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="fab-grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="white" stroke-width="0.5" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23fab-grid)"/></svg>') repeat;
}

.fab-hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.1);
}

.fab-hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 40% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    animation: fab-particles-float 6s ease-in-out infinite;
}

@keyframes fab-particles-float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.fab-hero-content {
    position: relative;
    z-index: 2;
    max-width: var(--fab-max-width);
    margin: 0 auto;
    padding: 4rem 2rem;
    text-align: center;
    width: 100%;
}

.fab-hero-text {
    color: var(--fab-white);
    max-width: 900px;
    margin: 0 auto;
}

.fab-hero-badge {
    display: inline-block;
    background: var(--fab-warning-color);
    color: var(--fab-dark-color);
    padding: 0.5rem 1.5rem;
    border-radius: 25px;
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 1.5rem;
    animation: fab-pulse 2s ease-in-out infinite;
}

@keyframes fab-pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.fab-hero-title {
    font-size: clamp(2rem, 5vw, 4rem);
    font-weight: 700;
    margin: 0 0 1.5rem 0;
    line-height: 1.1;
    color: var(--fab-white);
}

.fab-hero-subtitle {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    margin: 0 auto 3rem auto;
    opacity: 0.9;
    max-width: 700px;
    color: var(--fab-white);
    line-height: 1.6;
}

.fab-hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--fab-gap-medium);
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.fab-stat-item {
    text-align: center;
    background: rgba(255, 255, 255, 0.1);
    padding: 2rem 1.5rem;
    border-radius: var(--fab-border-radius);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--fab-transition);
    min-width: 150px;
    flex: 1;
    max-width: 200px;
}

.fab-stat-item:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px);
}

.fab-stat-number {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 700;
    color: var(--fab-white);
    margin-bottom: 0.5rem;
}

.fab-stat-label {
    font-size: clamp(0.75rem, 2vw, 0.875rem);
    color: var(--fab-white);
    opacity: 0.9;
    font-weight: 500;
}

.fab-hero-actions {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

/* FLOATING ELEMENTS */
.fab-floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.fab-float-gear {
    position: absolute;
    color: rgba(255, 255, 255, 0.1);
    font-size: 3rem;
    animation: fab-float-rotate 8s linear infinite;
}

.fab-float-1 {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.fab-float-2 {
    top: 60%;
    right: 15%;
    animation-delay: -2s;
    animation-direction: reverse;
}

.fab-float-3 {
    bottom: 30%;
    left: 20%;
    animation-delay: -4s;
}

@keyframes fab-float-rotate {
    from { transform: rotate(0deg) translateY(0px); }
    to { transform: rotate(360deg) translateY(-10px); }
}

/* BUTTONS */
.fab-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    border-radius: var(--fab-border-radius);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    transition: var(--fab-transition);
    border: 2px solid transparent;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    text-align: center;
    white-space: nowrap;
    min-height: 48px;
    min-width: 44px;
}

.fab-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.fab-btn:hover::before {
    left: 100%;
}

.fab-btn-primary {
    background: var(--fab-warning-color);
    color: var(--fab-dark-color);
    box-shadow: var(--fab-shadow-lg);
}

.fab-btn-primary:hover {
    background: #d97706;
    transform: translateY(-3px);
    box-shadow: var(--fab-shadow-xl);
}

.fab-btn-secondary {
    background: transparent;
    color: var(--fab-white);
    border-color: var(--fab-white);
}

.fab-btn-secondary:hover {
    background: var(--fab-white);
    color: var(--fab-primary-color);
    transform: translateY(-3px);
}

.fab-btn-large {
    padding: 1.25rem 2.5rem;
    font-size: 1.125rem;
}

/* SECTION HEADERS */
.fab-section-header {
    text-align: center;
    margin-bottom: 4rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.fab-section-header h2 {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 700;
    color: #161414;
    margin: 0 0 1rem 0;
}

.fab-section-header p {
    font-size: clamp(1rem, 2vw, 1.125rem);
    color: #0f0e0e;
    line-height: 1.6;
    margin: 0;
}

/* PROCESS SECTION */
.fab-process-section {
    padding: var(--fab-section-padding);
    background: var(--fab-light-color);
    position: relative;
    margin-top: -1rem;
    z-index: 2;
}

.fab-process-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--fab-gap-medium);
    margin-top: 3rem;
}

.fab-process-card {
    background: var(--fab-white);
    padding: var(--fab-card-padding);
    border-radius: var(--fab-border-radius);
    box-shadow: var(--fab-shadow-lg);
    transition: var(--fab-transition);
    position: relative;
    overflow: hidden;
    border-top: 4px solid var(--fab-primary-color);
}

.fab-process-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(44, 95, 111, 0.1), transparent);
    transition: left 0.5s;
}

.fab-process-card:hover::before {
    left: 100%;
}

.fab-process-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--fab-shadow-xl);
}

.fab-process-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--fab-primary-color), var(--fab-accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem auto;
    position: relative;
    z-index: 2;
}

.fab-process-icon::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, var(--fab-primary-color), var(--fab-accent-color), var(--fab-warning-color));
    border-radius: 50%;
    z-index: -1;
    animation: fab-icon-rotate 3s linear infinite;
}

@keyframes fab-icon-rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.fab-process-icon i {
    font-size: 2rem;
    color: var(--fab-white);
}

.fab-process-content {
    text-align: center;
}

.fab-process-content h3 {
    font-size: clamp(1.25rem, 2.5vw, 1.5rem);
    font-weight: 700;
    color: var(--fab-dark-color);
    margin: 0 0 1rem 0;
}

.fab-process-content p {
    color: var(--fab-gray-600);
    line-height: 1.6;
    margin: 0 0 2rem 0;
    font-size: clamp(0.9rem, 2vw, 1rem);
}

.fab-process-features {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.fab-feature-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--fab-gray-700);
    text-align: left;
}

.fab-feature-item i {
    color: var(--fab-success-color);
    font-size: 1rem;
    flex-shrink: 0;
}

/* WELDING ANIMATION */
.fab-welding-spark {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--fab-spark-color);
    border-radius: 50%;
    animation: fab-spark-fly 2s linear infinite;
    opacity: 0;
}

.fab-spark-2 {
    animation-delay: 0.5s;
    top: 10px;
    left: 10px;
}

.fab-spark-3 {
    animation-delay: 1s;
    top: -5px;
    right: 5px;
}

@keyframes fab-spark-fly {
    0% {
        opacity: 0;
        transform: translateY(0) scale(0);
    }
    20% {
        opacity: 1;
        transform: translateY(-10px) scale(1);
    }
    80% {
        opacity: 1;
        transform: translateY(-30px) scale(0.5);
    }
    100% {
        opacity: 0;
        transform: translateY(-50px) scale(0);
    }
}

.fab-welding-animation {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--fab-fire-color), transparent);
    animation: fab-welding-sweep 3s ease-in-out infinite;
    opacity: 0.7;
}

@keyframes fab-welding-sweep {
    0%, 100% {
        transform: translateX(-100%);
    }
    50% {
        transform: translateX(100%);
    }
}

/* MATERIALS SECTION */
.fab-materials-section {
    padding: var(--fab-section-padding);
    background: var(--fab-white);
}

.fab-materials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--fab-gap-medium);
    margin-top: 3rem;
}

.fab-material-card {
    background: var(--fab-gray-50);
    padding: var(--fab-gap-medium);
    border-radius: var(--fab-border-radius);
    box-shadow: var(--fab-shadow-md);
    transition: var(--fab-transition);
    position: relative;
    overflow: hidden;
}

.fab-material-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--fab-steel-color), var(--fab-primary-color));
}

.fab-material-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--fab-shadow-lg);
}

.fab-material-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.fab-material-header h3 {
    font-size: clamp(1.125rem, 2vw, 1.25rem);
    font-weight: 700;
    color: var(--fab-dark-color);
    margin: 0;
}

.fab-material-badge {
    background: var(--fab-warning-color);
    color: var(--fab-dark-color);
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.fab-material-card p {
    color: var(--fab-gray-600);
    line-height: 1.6;
    margin: 0 0 1.5rem 0;
    font-size: clamp(0.9rem, 2vw, 1rem);
}

.fab-material-properties {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.fab-property-tag {
    background: var(--fab-primary-color);
    color: var(--fab-white);
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* THICKNESS SECTION */
.fab-thickness-section {
    padding: var(--fab-section-padding);
    background: linear-gradient(135deg, var(--fab-gray-50), var(--fab-white));
}

.fab-thickness-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--fab-gap-large);
    align-items: center;
    margin-top: 3rem;
}

.fab-thickness-image {
    position: relative;
    border-radius: var(--fab-border-radius);
    overflow: hidden;
    box-shadow: var(--fab-shadow-xl);
}

.fab-thickness-placeholder {
    background: var(--fab-gray-100);
    border: 2px dashed var(--fab-gray-300);
    border-radius: var(--fab-border-radius);
    padding: 4rem 2rem;
    text-align: center;
    color: var(--fab-gray-500);
}

.fab-thickness-placeholder i {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--fab-gray-400);
}

.fab-thickness-placeholder p {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0 0 0.5rem 0;
}

.fab-thickness-placeholder small {
    font-size: 0.9rem;
    opacity: 0.8;
}

.fab-thickness-specs {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.fab-spec-item {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    padding: 1.5rem;
    background: var(--fab-white);
    border-radius: var(--fab-border-radius);
    box-shadow: var(--fab-shadow-md);
    transition: var(--fab-transition);
}

.fab-spec-item:hover {
    transform: translateX(10px);
    box-shadow: var(--fab-shadow-lg);
}

.fab-spec-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--fab-primary-color), var(--fab-accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--fab-white);
    font-size: 1.5rem;
    flex-shrink: 0;
}

.fab-spec-content h4 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--fab-dark-color);
    margin: 0 0 0.5rem 0;
}

.fab-spec-content p {
    color: var(--fab-gray-600);
    line-height: 1.6;
    margin: 0;
}

/* TECHNOLOGY SECTION */
.fab-technology-section {
    padding: var(--fab-section-padding);
    background: var(--fab-dark-color);
    color: var(--fab-white);
}

.fab-technology-section .fab-section-header h2 {
    color: var(--fab-white);
}

.fab-technology-section .fab-section-header p {
    color: var(--fab-gray-300);
}

.fab-tech-showcase {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--fab-gap-large);
    margin-top: 4rem;
}

.fab-tech-item {
    text-align: center;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--fab-border-radius);
    transition: var(--fab-transition);
    position: relative;
    overflow: hidden;
}

.fab-tech-item:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-5px);
}

.fab-tech-visual {
    width: 120px;
    height: 120px;
    margin: 0 auto 2rem auto;
    position: relative;
}

/* 3D Model Animation */
.fab-3d-model {
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, var(--fab-accent-color), var(--fab-primary-color));
    border-radius: 20px;
    position: relative;
    animation: fab-3d-rotate 4s ease-in-out infinite;
}

.fab-model-grid {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 10px,
        rgba(255, 255, 255, 0.1) 10px,
        rgba(255, 255, 255, 0.1) 12px
    ),
    repeating-linear-gradient(
        90deg,
        transparent,
        transparent 10px,
        rgba(255, 255, 255, 0.1) 10px,
        rgba(255, 255, 255, 0.1) 12px
    );
    border-radius: 20px;
}

@keyframes fab-3d-rotate {
    0%, 100% { transform: perspective(1000px) rotateY(0deg) rotateX(0deg); }
    25% { transform: perspective(1000px) rotateY(90deg) rotateX(15deg); }
    50% { transform: perspective(1000px) rotateY(180deg) rotateX(0deg); }
    75% { transform: perspective(1000px) rotateY(270deg) rotateX(-15deg); }
}

/* Simulation Animation */
.fab-simulation {
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, var(--fab-accent-color), var(--fab-primary-color));
    border-radius: 50%;
    position: relative;
    animation: fab-pulse-sim 3s ease-in-out infinite;
}

.fab-sim-waves {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    animation: fab-wave-expand 2s ease-out infinite;
}

.fab-sim-waves::before,
.fab-sim-waves::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80%;
    height: 80%;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    animation: fab-wave-expand 2s ease-out infinite;
}

.fab-sim-waves::before {
    animation-delay: 0.5s;
}

.fab-sim-waves::after {
    animation-delay: 1s;
    width: 60%;
    height: 60%;
}

@keyframes fab-pulse-sim {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

@keyframes fab-wave-expand {
    0% {
        transform: translate(-50%, -50%) scale(0.5);
        opacity: 1;
    }
    100% {
        transform: translate(-50%, -50%) scale(1.5);
        opacity: 0;
    }
}

/* Quality Control Animation */
.fab-quality-control {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--fab-success-color), var(--fab-accent-color));
    border-radius: var(--fab-border-radius);
    position: relative;
}

.fab-qc-scanner {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--fab-warning-color);
    animation: fab-scan-line 2s ease-in-out infinite;
    box-shadow: 0 0 10px var(--fab-warning-color);
}

@keyframes fab-scan-line {
    0%, 100% {
        top: 0;
        opacity: 1;
    }
    50% {
        top: calc(100% - 4px);
        opacity: 0.7;
    }
}

.fab-tech-item h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 0 1rem 0;
    color: var(--fab-white);
}

.fab-tech-item p {
    color: var(--fab-gray-300);
    line-height: 1.6;
    margin: 0;
}

/* CERTIFICATIONS SECTION */
.fab-certifications-section {
    padding: var(--fab-section-padding);
    background: var(--fab-light-color);
}

.fab-certifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--fab-gap-medium);
    margin-top: 3rem;
}

.fab-cert-card {
    background: var(--fab-white);
    padding: var(--fab-gap-medium);
    border-radius: var(--fab-border-radius);
    text-align: center;
    box-shadow: var(--fab-shadow-md);
    transition: var(--fab-transition);
    position: relative;
    overflow: hidden;
}

.fab-cert-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--fab-warning-color), var(--fab-success-color));
}

.fab-cert-card:hover {
    transform: translateY(-10px) rotateY(5deg);
    box-shadow: var(--fab-shadow-xl);
}

.fab-cert-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--fab-warning-color), var(--fab-success-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem auto;
    color: var(--fab-white);
    font-size: 2rem;
    position: relative;
}

.fab-cert-icon::before {
    content: '';
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    background: linear-gradient(45deg, var(--fab-warning-color), var(--fab-success-color), var(--fab-primary-color));
    border-radius: 50%;
    z-index: -1;
    animation: fab-cert-glow 3s ease-in-out infinite;
}

@keyframes fab-cert-glow {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.1); }
}

.fab-cert-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--fab-dark-color);
    margin: 0 0 1rem 0;
}

.fab-cert-card p {
    color: var(--fab-gray-600);
    line-height: 1.6;
    margin: 0 0 1.5rem 0;
}

.fab-cert-status {
    padding-top: 1rem;
    border-top: 1px solid var(--fab-gray-200);
}

.fab-status-badge {
    background: var(--fab-success-color);
    color: var(--fab-white);
    padding: 0.5rem 1rem;
    border-radius: 15px;
    font-size: 0.875rem;
    font-weight: 600;
}

/* FACILITY SECTION */
.fab-facility-section {
    padding: var(--fab-section-padding);
    background: var(--fab-white);
}

.fab-facility-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--fab-gap-large);
    margin-top: 4rem;
}

.fab-facility-feature {
    text-align: center;
    padding: 2rem;
    transition: var(--fab-transition);
}

.fab-facility-feature:hover {
    transform: translateY(-5px);
}

.fab-facility-icon {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--fab-primary-color), var(--fab-accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem auto;
    color: var(--fab-white);
    font-size: 2.5rem;
    box-shadow: var(--fab-shadow-lg);
    position: relative;
}

.fab-facility-icon::before {
    content: '';
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    background: linear-gradient(45deg, var(--fab-primary-color), var(--fab-accent-color), var(--fab-warning-color));
    border-radius: 50%;
    z-index: -1;
    animation: fab-facility-rotate 4s linear infinite;
}

@keyframes fab-facility-rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.fab-facility-feature h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--fab-dark-color);
    margin: 0 0 1rem 0;
}

.fab-facility-feature p {
    color: var(--fab-gray-600);
    line-height: 1.6;
    margin: 0;
    font-size: 1.1rem;
}

/* CTA SECTION */
.fab-cta-section {
    padding: var(--fab-section-padding);
    background: linear-gradient(135deg, var(--fab-primary-color), var(--fab-secondary-color));
    position: relative;
    overflow: hidden;
}

.fab-cta-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="cta-pattern" width="20" height="20" patternUnits="userSpaceOnUse"><path d="M 20 0 L 0 0 0 20" fill="none" stroke="white" stroke-width="0.5" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23cta-pattern)"/></svg>') repeat;
}

.fab-cta-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--fab-white);
    max-width: 800px;
    margin: 0 auto;
}

.fab-cta-content h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin: 0 0 1.5rem 0;
    line-height: 1.2;
}

.fab-cta-content p {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    margin: 0 0 3rem 0;
    opacity: 0.9;
    line-height: 1.6;
}

.fab-cta-actions {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.fab-cta-guarantee {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    background: rgba(255, 255, 255, 0.1);
    padding: 1rem 2rem;
    border-radius: 25px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    margin: 0 auto;
    max-width: fit-content;
    font-size: clamp(0.85rem, 2vw, 1rem);
}

.fab-cta-guarantee i {
    color: var(--fab-warning-color);
    font-size: 1.25rem;
}

/* RESPONSIVE DESIGN */

/* Large Devices (Desktops, Laptops) */
@media (max-width: 1199px) {
    :root {
        --fab-section-padding: 5rem 2rem;
        --fab-card-padding: 2rem;
        --fab-gap-large: 3rem;
    }
    
    .fab-container {
        padding: 0 1.5rem;
    }
    
    .fab-process-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
    
    .fab-thickness-content {
        grid-template-columns: 1fr;
        gap: var(--fab-gap-medium);
        text-align: center;
    }
    
    .fab-tech-showcase {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: var(--fab-gap-medium);
    }
}

/* Medium Devices (Tablets) */
@media (max-width: 991px) {
    :root {
        --fab-hero-height: 80vh;
        --fab-section-padding: 4rem 1.5rem;
        --fab-card-padding: 1.5rem;
        --fab-gap-large: 2.5rem;
        --fab-gap-medium: 1.5rem;
    }
    
    .fab-hero-content {
        padding: 3rem 1.5rem;
    }
    
    .fab-hero-stats {
        flex-direction: column;
        align-items: center;
        gap: 1.5rem;
    }
    
    .fab-stat-item {
        width: 100%;
        max-width: 300px;
        padding: 1.5rem 1rem;
    }
    
    .fab-process-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 1.5rem;
    }
    
    .fab-materials-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
    
    .fab-certifications-grid {
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    }
    
    .fab-facility-grid {
        grid-template-columns: 1fr;
        gap: var(--fab-gap-medium);
    }
    
    .fab-floating-elements {
        display: none; /* Ocultar elementos flotantes en tablets */
    }
}

/* Small Devices (Large Phones, Small Tablets) */
@media (max-width: 767px) {
    :root {
        --fab-hero-height: 70vh;
        --fab-section-padding: 3rem 1rem;
        --fab-card-padding: 1.25rem;
        --fab-gap-large: 2rem;
        --fab-gap-medium: 1rem;
        --fab-gap-small: 0.75rem;
    }
    
    .fab-hero {
        min-height: 70vh;
    }
    
    .fab-hero-content {
        padding: 2rem 1rem;
    }
    
    .fab-hero-actions {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
    
    .fab-btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
        padding: 1rem 1.5rem;
        font-size: 0.95rem;
    }
    
    .fab-btn-large {
        padding: 1.25rem 2rem;
        font-size: 1rem;
    }
    
    .fab-process-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .fab-process-card {
        padding: 1.5rem;
    }
    
    .fab-process-icon {
        width: 70px;
        height: 70px;
        margin-bottom: 1.5rem;
    }
    
    .fab-process-icon i {
        font-size: 1.5rem;
    }
    
    .fab-materials-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .fab-thickness-content {
        gap: 2rem;
    }
    
    .fab-thickness-placeholder {
        padding: 3rem 1.5rem;
    }
    
    .fab-thickness-placeholder i {
        font-size: 2.5rem;
    }
    
    .fab-spec-item {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .fab-spec-icon {
        margin: 0 auto;
    }
    
    .fab-tech-showcase {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .fab-tech-visual {
        width: 100px;
        height: 100px;
    }
    
    .fab-certifications-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .fab-cert-icon {
        width: 70px;
        height: 70px;
        font-size: 1.5rem;
    }
    
    .fab-facility-icon {
        width: 80px;
        height: 80px;
        font-size: 2rem;
    }
    
    .fab-cta-actions {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
    
    .fab-cta-guarantee {
        text-align: center;
        padding: 0.75rem 1.5rem;
        flex-direction: column;
        gap: 0.5rem;
    }
}

/* Extra Small Devices (Phones) */
@media (max-width: 479px) {
    :root {
        --fab-hero-height: 60vh;
        --fab-section-padding: 2.5rem 0.75rem;
        --fab-card-padding: 1rem;
        --fab-gap-large: 1.5rem;
        --fab-gap-medium: 0.75rem;
        --fab-gap-small: 0.5rem;
    }
    
    .fab-container {
        padding: 0 0.75rem;
    }
    
    .fab-hero {
        min-height: 60vh;
    }
    
    .fab-hero-content {
        padding: 1.5rem 0.75rem;
    }
    
    .fab-hero-badge {
        padding: 0.4rem 1rem;
        font-size: 0.8rem;
    }
    
    .fab-stat-item {
        padding: 1rem 0.75rem;
        min-width: 120px;
    }
    
    .fab-btn {
        padding: 0.875rem 1.25rem;
        font-size: 0.9rem;
        min-height: 44px;
    }
    
    .fab-btn-large {
        padding: 1rem 1.5rem;
        font-size: 0.95rem;
    }
    
    .fab-process-card {
        padding: 1rem;
    }
    
    .fab-process-icon {
        width: 60px;
        height: 60px;
        margin-bottom: 1rem;
    }
    
    .fab-process-icon i {
        font-size: 1.25rem;
    }
    
    .fab-material-card {
        padding: 1rem;
    }
    
    .fab-material-header {
        flex-direction: column;
        gap: 0.5rem;
        align-items: flex-start;
    }
    
    .fab-thickness-placeholder {
        padding: 2rem 1rem;
    }
    
    .fab-thickness-placeholder i {
        font-size: 2rem;
    }
    
    .fab-spec-item {
        padding: 1rem;
    }
    
    .fab-spec-icon {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
    }
    
    .fab-tech-item {
        padding: 1.5rem 1rem;
    }
    
    .fab-tech-visual {
        width: 80px;
        height: 80px;
        margin-bottom: 1.5rem;
    }
    
    .fab-cert-card {
        padding: 1.5rem 1rem;
    }
    
    .fab-cert-icon {
        width: 60px;
        height: 60px;
        font-size: 1.25rem;
        margin-bottom: 1rem;
    }
    
    .fab-facility-feature {
        padding: 1.5rem 1rem;
    }
    
    .fab-facility-icon {
        width: 70px;
        height: 70px;
        font-size: 1.75rem;
        margin-bottom: 1.5rem;
    }
    
    .fab-cta-guarantee {
        padding: 0.75rem 1rem;
        font-size: 0.85rem;
    }
}

/* Landscape orientation for phones */
@media (max-width: 767px) and (orientation: landscape) {
    .fab-hero {
        min-height: 80vh;
    }
    
    .fab-hero-stats {
        flex-direction: row;
        justify-content: center;
        flex-wrap: wrap;
        gap: 1rem;
    }
    
    .fab-stat-item {
        min-width: 120px;
        max-width: 150px;
        padding: 1rem 0.75rem;
    }
}

/* High DPI Displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .fab-process-icon,
    .fab-cert-icon,
    .fab-facility-icon {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* Accessibility and Focus Styles */
.fab-btn:focus,
.fab-process-card:focus,
.fab-material-card:focus,
.fab-cert-card:focus {
    outline: 3px solid var(--fab-primary-color);
    outline-offset: 2px;
}

.fab-btn:focus:not(:focus-visible) {
    outline: none;
}

/* Dark mode support (if needed) */
@media (prefers-color-scheme: dark) {
    :root {
        --fab-dark-color: #202025;
        --fab-white: #fdfdfd;
        --fab-light-color: #ffffff;
        --fab-gray-50: #ebebeb;
        --fab-gray-100: #fbfbfb;
    }
}

/* Reduced motion for accessibility */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .fab-hero-particles,
    .fab-float-gear,
    .fab-welding-spark,
    .fab-welding-animation,
    .fab-3d-model,
    .fab-simulation,
    .fab-qc-scanner {
        animation: none !important;
    }
    
    .fab-process-icon::before,
    .fab-facility-icon::before,
    .fab-cert-icon::before {
        animation: none !important;
    }
}

/* Print Styles */
@media print {
    .fab-hero,
    .fab-cta-section {
        display: none;
    }
    
    .fab-process-card,
    .fab-material-card,
    .fab-cert-card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid var(--fab-gray-300);
    }
    
    .fab-btn {
        display: none;
    }
    
    .fab-section-header h2 {
        color: var(--fab-dark-color) !important;
    }
    
    .fab-floating-elements {
        display: none;
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Container queries support (for modern browsers) */
@supports (container-type: inline-size) {
    .fab-process-grid {
        container-type: inline-size;
    }
    
    @container (max-width: 600px) {
        .fab-process-card {
            padding: 1rem;
        }
        
        .fab-process-icon {
            width: 60px;
            height: 60px;
        }
    }
}

/* Utility Classes for Responsive Visibility */
.fab-show-mobile {
    display: none;
}

.fab-hide-mobile {
    display: block;
}

@media (max-width: 767px) {
    .fab-show-mobile {
        display: block;
    }
    
    .fab-hide-mobile {
        display: none;
    }
}

/* Loading States and Performance Optimizations */
.fab-loading {
    opacity: 0.7;
    pointer-events: none;
}

.fab-fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fab-fade-in.fab-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Improved touch targets for mobile */
@media (pointer: coarse) {
    .fab-btn,
    .fab-process-card,
    .fab-material-card,
    .fab-cert-card {
        min-height: 48px;
        min-width: 48px;
    }
    
    .fab-property-tag,
    .fab-status-badge {
        padding: 0.5rem 1rem;
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
}

/* Performance optimizations */
.fab-process-icon,
.fab-cert-icon,
.fab-facility-icon,
.fab-tech-visual {
    will-change: transform;
    transform: translateZ(0);
}

/* GPU acceleration for animations */
.fab-welding-spark,
.fab-3d-model,
.fab-simulation,
.fab-qc-scanner {
    transform: translateZ(0);
    backface-visibility: hidden;
    perspective: 1000px;
}

/* Preload animations */
@keyframes fab-preload {
    0% { opacity: 0; }
    100% { opacity: 1; }
}

.fab-preload {
    animation: fab-preload 0.5s ease-in-out;
}