/* ============================================
   SCM INDUSTRIAL GEMINIS - Estilos CSS
   Tema: Industrial, Técnico y Robusto
   ============================================ */

/* Variables CSS */
:root {
    /* Colores principales - Industrial */
    --primary-orange: #FF4500;
    --primary-blue: #1976D2;
    --primary-yellow: #FFC107;
    --dark-steel: #263238;
    --gray-industrial: #455A64;
    --gray-medium: #78909C;
    --gray-light: #ECEFF1;
    --white: #FFFFFF;
    --danger-red: #D32F2F;
    
    /* Gradientes industriales */
    --gradient-primary: linear-gradient(135deg, #FF4500 0%, #FF6F00 100%);
    --gradient-steel: linear-gradient(180deg, #263238 0%, #37474F 100%);
    --gradient-blue: linear-gradient(135deg, #1976D2 0%, #0D47A1 100%);
    --gradient-warning: linear-gradient(135deg, #FFC107 0%, #FF8F00 100%);
    --gradient-industrial: linear-gradient(135deg, #263238 0%, #455A64 50%, #607D8B 100%);
    
    /* Sombras */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 16px 32px rgba(0, 0, 0, 0.25);
    --shadow-industrial: 0 10px 30px rgba(38, 50, 56, 0.3);
    
    /* Fuentes */
    --font-oswald: 'Oswald', sans-serif;
    --font-roboto: 'Roboto', sans-serif;
    
    /* Transiciones */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset y Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-roboto);
    font-size: 16px;
    line-height: 1.6;
    color: var(--dark-steel);
    background: var(--white);
    overflow-x: hidden;
}

/* Industrial Background */
.industrial-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    background: linear-gradient(135deg, #ECEFF1 0%, #CFD8DC 100%);
}

.grid-pattern {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(38, 50, 56, 0.03) 2px, transparent 2px),
        linear-gradient(90deg, rgba(38, 50, 56, 0.03) 2px, transparent 2px);
    background-size: 50px 50px;
    animation: gridMove 30s linear infinite;
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

.machinery-overlay {
    position: absolute;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(255, 69, 0, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(25, 118, 210, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 50% 20%, rgba(255, 193, 7, 0.05) 0%, transparent 50%);
}

#industrialCanvas {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0.3;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-oswald);
    font-weight: 700;
    line-height: 1.2;
    text-transform: uppercase;
    letter-spacing: 1px;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.2rem, 2.5vw, 1.5rem); }

p {
    margin-bottom: 1rem;
}

a {
    color: var(--primary-orange);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--primary-blue);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Preloader */
#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: var(--gradient-steel);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
}

.preloader-content {
    text-align: center;
}

.industrial-loader {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 30px;
    position: relative;
    height: 100px;
}

.gear {
    position: absolute;
    width: 60px;
    height: 60px;
    border: 5px solid var(--primary-orange);
    border-radius: 50%;
}

.gear::before,
.gear::after {
    content: '';
    position: absolute;
    width: 10px;
    height: 60px;
    background: var(--primary-orange);
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}

.gear::after {
    transform: translate(-50%, -50%) rotate(90deg);
}

.gear-inner {
    position: absolute;
    width: 20px;
    height: 20px;
    background: var(--dark-steel);
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.gear-1 {
    animation: rotateGear 3s linear infinite;
}

.gear-2 {
    left: 35px;
    top: 20px;
    width: 40px;
    height: 40px;
    animation: rotateGear 3s linear infinite reverse;
}

.gear-3 {
    left: -35px;
    top: 20px;
    width: 40px;
    height: 40px;
    border-color: var(--primary-blue);
    animation: rotateGear 3s linear infinite;
}

.gear-3::before,
.gear-3::after {
    background: var(--primary-blue);
}

@keyframes rotateGear {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.loader-text {
    margin-bottom: 20px;
}

.company-name {
    display: block;
    font-family: var(--font-oswald);
    font-size: 2rem;
    color: var(--white);
    letter-spacing: 3px;
    margin-bottom: 5px;
}

.company-subtitle {
    display: block;
    font-size: 1.5rem;
    color: var(--primary-orange);
}

.power-bar {
    width: 200px;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    overflow: hidden;
}

.power-fill {
    height: 100%;
    background: var(--gradient-primary);
    animation: powerLoad 2s ease-in-out infinite;
}

@keyframes powerLoad {
    0% { width: 0%; }
    50% { width: 100%; }
    100% { width: 0%; }
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    z-index: 1000;
    padding: 1rem 0;
    transition: var(--transition);
}

.navbar.scrolled {
    padding: 0.5rem 0;
    background: rgba(255, 255, 255, 0.98);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo-icon {
    filter: drop-shadow(var(--shadow-sm));
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.brand-name {
    font-family: var(--font-oswald);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark-steel);
    letter-spacing: 1px;
}

.brand-tagline {
    font-size: 1rem;
    color: var(--primary-orange);
    font-weight: 600;
}

.nav-menu {
    display: flex;
    list-style: none;
    align-items: center;
    gap: 30px;
}

.nav-link {
    font-weight: 600;
    color: var(--gray-industrial);
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 1px;
    position: relative;
    transition: var(--transition);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--gradient-primary);
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--primary-orange);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-link.btn-contact {
    background: var(--gradient-primary);
    color: var(--white);
    padding: 10px 25px;
    border-radius: 5px;
    box-shadow: var(--shadow-md);
}

.nav-link.btn-contact:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    gap: 4px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--dark-steel);
    border-radius: 2px;
    transition: var(--transition);
}

/* Hero Section */
.hero-section {
    min-height: 100vh;
    padding: 120px 0 80px;
    position: relative;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(236, 239, 241, 0.9));
}

.industrial-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 700px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--dark-steel);
    color: var(--white);
    padding: 8px 20px;
    border-radius: 5px;
    margin-bottom: 20px;
}

.hero-badge i {
    color: var(--primary-orange);
}

.hero-title {
    margin-bottom: 25px;
}

.title-top {
    display: block;
    font-size: 1.2rem;
    color: var(--gray-industrial);
    letter-spacing: 2px;
}

.title-main {
    display: block;
    font-size: clamp(3rem, 6vw, 4.5rem);
    color: var(--dark-steel);
    margin: 10px 0;
}

.title-accent {
    display: block;
    font-size: clamp(3rem, 6vw, 4.5rem);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.title-bottom {
    display: block;
    font-size: 1.5rem;
    color: var(--primary-blue);
    letter-spacing: 1px;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--gray-industrial);
    margin-bottom: 35px;
    line-height: 1.8;
}

.service-percentages {
    display: flex;
    gap: 30px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.percentage-card {
    text-align: center;
}

.percentage-circle {
    position: relative;
    width: 80px;
    height: 80px;
    margin: 0 auto 10px;
}

.percentage-circle svg {
    transform: rotate(-90deg);
    width: 80px;
    height: 80px;
}

.percentage-circle circle {
    fill: none;
    stroke-width: 5;
}

.percentage-circle circle:first-child {
    stroke: var(--gray-light);
}

.percentage-circle circle.progress {
    stroke: var(--primary-orange);
    stroke-dasharray: 220;
    stroke-dashoffset: 220;
    transition: stroke-dashoffset 2s ease;
}

.percentage-number {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-family: var(--font-oswald);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark-steel);
}

.percentage-card span {
    display: block;
    color: var(--gray-industrial);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.85rem;
}

.hero-actions {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 35px;
    border-radius: 5px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-size: 0.95rem;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: transparent;
    color: var(--dark-steel);
    border: 2px solid var(--dark-steel);
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.hero-visual {
    position: absolute;
    right: 50px;
    top: 50%;
    transform: translateY(-50%);
    width: 450px;
    height: 450px;
}

.industrial-graphic {
    position: relative;
    width: 100%;
    height: 100%;
}

.crane-animation {
    position: absolute;
    width: 200px;
    height: 300px;
    top: 50px;
    right: 50px;
}

.crane-tower {
    position: absolute;
    width: 20px;
    height: 250px;
    background: var(--gradient-steel);
    left: 50%;
    transform: translateX(-50%);
    box-shadow: var(--shadow-lg);
}

.crane-tower::before {
    content: '';
    position: absolute;
    width: 60px;
    height: 10px;
    background: var(--primary-orange);
    top: -5px;
    left: 50%;
    transform: translateX(-50%);
}

.crane-arm {
    position: absolute;
    width: 150px;
    height: 10px;
    background: var(--gradient-primary);
    top: 0;
    left: 10px;
    transform-origin: left center;
    animation: craneSwing 8s ease-in-out infinite;
}

@keyframes craneSwing {
    0%, 100% { transform: rotate(-10deg); }
    50% { transform: rotate(10deg); }
}

.crane-cable {
    position: absolute;
    width: 2px;
    height: 100px;
    background: var(--dark-steel);
    right: 10px;
    top: 10px;
}

.crane-hook {
    position: absolute;
    width: 20px;
    height: 20px;
    background: var(--primary-yellow);
    border-radius: 50% 50% 0 50%;
    transform: rotate(45deg);
    right: 1px;
    top: 110px;
    box-shadow: var(--shadow-md);
}

.building-blocks {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 20px;
    align-items: flex-end;
}

.block {
    background: var(--gradient-industrial);
    box-shadow: var(--shadow-lg);
    animation: blockRise 3s ease-in-out infinite;
}

.block-1 {
    width: 60px;
    height: 120px;
    animation-delay: 0s;
}

.block-2 {
    width: 80px;
    height: 180px;
    animation-delay: 0.5s;
}

.block-3 {
    width: 60px;
    height: 150px;
    animation-delay: 1s;
}

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

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
}

.mouse {
    width: 25px;
    height: 40px;
    border: 2px solid var(--dark-steel);
    border-radius: 15px;
    margin: 0 auto 10px;
    position: relative;
}

.wheel {
    width: 3px;
    height: 10px;
    background: var(--primary-orange);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: wheel 2s ease-in-out infinite;
}

@keyframes wheel {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(10px); }
}

.scroll-indicator span {
    color: var(--gray-industrial);
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 2px;
}

/* Section Commons */
section {
    padding: 80px 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-tag {
    display: inline-block;
    padding: 6px 20px;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: 3px;
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.section-title {
    color: var(--dark-steel);
}

.section-title span {
    color: var(--primary-orange);
}

/* About Section */
.about-section {
    background: var(--white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 60px;
    align-items: start;
}

.about-content h3 {
    color: var(--dark-steel);
    margin-bottom: 20px;
}

.lead {
    font-size: 1.2rem;
    color: var(--primary-blue);
    font-weight: 600;
    margin-bottom: 20px;
}

.about-content p {
    color: var(--gray-industrial);
    line-height: 1.8;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
    margin-top: 40px;
}

.stat-box {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px;
    background: var(--gray-light);
    border-left: 4px solid var(--primary-orange);
    transition: var(--transition);
}

.stat-box:hover {
    background: var(--white);
    box-shadow: var(--shadow-lg);
    transform: translateX(10px);
}

.stat-box i {
    font-size: 2rem;
    color: var(--primary-blue);
}

.stat-content {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-family: var(--font-oswald);
    font-size: 2rem;
    color: var(--dark-steel);
    font-weight: 700;
    display: inline-block;
}

.stat-unit {
    font-size: 1.5rem;
    color: var(--primary-orange);
    font-weight: 700;
}

.stat-label {
    color: var(--gray-industrial);
    font-size: 0.9rem;
    text-transform: uppercase;
}

.company-card {
    background: var(--gradient-steel);
    color: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow-industrial);
}

.card-header {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
    background: rgba(255, 69, 0, 0.9);
}

.card-header i {
    font-size: 1.5rem;
}

.card-header h4 {
    color: var(--white);
}

.card-body {
    padding: 25px;
}

.info-list {
    list-style: none;
}

.info-list li {
    display: flex;
    align-items: start;
    gap: 15px;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

.info-label {
    color: var(--primary-orange);
    font-weight: 700;
    min-width: 120px;
    text-transform: uppercase;
    font-size: 0.85rem;
}

.info-value {
    color: rgba(255, 255, 255, 0.9);
}

.certifications-preview {
    margin-top: 30px;
    padding: 20px;
    background: var(--gray-light);
    border-radius: 10px;
}

.certifications-preview h4 {
    color: var(--dark-steel);
    margin-bottom: 20px;
}

.cert-badges {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
}

.cert-badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 15px;
    background: var(--white);
    border-radius: 5px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.cert-badge:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.cert-badge i {
    font-size: 2rem;
    color: var(--primary-blue);
}

.cert-badge span {
    font-size: 0.85rem;
    color: var(--gray-industrial);
    font-weight: 600;
    text-align: center;
}

/* Services Section */
.services-section {
    background: var(--gray-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.service-card {
    padding: 40px 30px;
    background: var(--white);
    border-radius: 10px;
    box-shadow: var(--shadow-md);
    transition: var(--transition-slow);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--gradient-primary);
}

.service-card.main-service {
    grid-column: span 2;
}

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

.service-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-industrial);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    box-shadow: var(--shadow-md);
}

.service-icon i {
    font-size: 2.5rem;
    color: var(--white);
}

.service-percentage {
    position: absolute;
    top: 20px;
    right: 20px;
    padding: 5px 15px;
    background: var(--gradient-primary);
    color: var(--white);
    font-family: var(--font-oswald);
    font-size: 1.2rem;
    font-weight: 700;
    border-radius: 5px;
}

.service-card h3 {
    color: var(--dark-steel);
    margin-bottom: 15px;
}

.service-card p {
    color: var(--gray-industrial);
    margin-bottom: 25px;
    line-height: 1.7;
}

.service-features {
    list-style: none;
    margin-bottom: 30px;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    color: var(--gray-industrial);
}

.service-features i {
    color: var(--primary-orange);
    font-size: 0.9rem;
}

.service-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.service-tag {
    padding: 5px 15px;
    background: var(--gray-light);
    color: var(--gray-industrial);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    border-radius: 3px;
}

.btn-more {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-blue);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.9rem;
    background: none;
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.btn-more:hover {
    color: var(--primary-orange);
    transform: translateX(5px);
}

/* Capabilities Section */
.capabilities-section {
    background: var(--white);
}

.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.capability-item {
    text-align: center;
    padding: 30px 20px;
    background: var(--gradient-steel);
    color: var(--white);
    border-radius: 10px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.capability-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 69, 0, 0.1);
    transition: var(--transition);
}

.capability-item:hover::before {
    left: 0;
}

.capability-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.capability-icon {
    font-size: 3rem;
    color: var(--primary-orange);
    margin-bottom: 20px;
}

.capability-item h3 {
    color: var(--white);
    margin-bottom: 15px;
}

.capability-details {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.capability-number {
    font-family: var(--font-oswald);
    font-size: 2rem;
    color: var(--primary-yellow);
    font-weight: 700;
}

.capability-text {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
}

.equipment-showcase {
    padding: 40px;
    background: var(--gray-light);
    border-radius: 10px;
}

.equipment-showcase h3 {
    text-align: center;
    color: var(--dark-steel);
    margin-bottom: 30px;
}

.equipment-slider {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.equipment-card {
    padding: 25px;
    background: var(--white);
    border-radius: 10px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.equipment-card:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

.equipment-card i {
    font-size: 2.5rem;
    color: var(--primary-blue);
    margin-bottom: 15px;
}

.equipment-card h4 {
    color: var(--dark-steel);
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.equipment-card p {
    color: var(--gray-industrial);
    font-size: 0.9rem;
}

/* Projects Section */
.projects-section {
    background: var(--gray-light);
}

.projects-timeline {
    position: relative;
    padding: 40px 0;
}

.timeline-line {
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--gradient-primary);
    transform: translateX(-50%);
}

.project-item {
    display: flex;
    align-items: center;
    margin-bottom: 60px;
    position: relative;
}

.project-item:nth-child(even) {
    flex-direction: row-reverse;
}

.project-year {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: var(--white);
    padding: 10px 20px;
    border-radius: 5px;
    font-family: var(--font-oswald);
    font-size: 1.2rem;
    font-weight: 700;
    z-index: 2;
}

.project-card {
    width: 45%;
    background: var(--white);
    border-radius: 10px;
    padding: 30px;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    display: flex;
    gap: 25px;
}

.project-item:nth-child(odd) .project-card {
    margin-right: auto;
}

.project-item:nth-child(even) .project-card {
    margin-left: auto;
}

.project-card:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-xl);
}

.project-icon {
    font-size: 2.5rem;
    color: var(--primary-orange);
    flex-shrink: 0;
}

.project-content h3 {
    color: var(--dark-steel);
    margin-bottom: 10px;
}

.project-content p {
    color: var(--gray-industrial);
    margin-bottom: 15px;
    line-height: 1.6;
}

.project-tags {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.project-tags span {
    padding: 5px 12px;
    background: var(--gray-light);
    color: var(--gray-industrial);
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: 3px;
}

/* Certifications Section */
.certifications-section {
    background: var(--white);
}

.certifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.cert-card {
    padding: 35px 30px;
    background: var(--gray-light);
    border-radius: 10px;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.cert-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient-blue);
}

.cert-card:hover {
    background: var(--white);
    box-shadow: var(--shadow-xl);
    transform: translateY(-10px);
}

.cert-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: var(--gradient-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.cert-card h3 {
    color: var(--dark-steel);
    margin-bottom: 15px;
}

.cert-card p {
    color: var(--gray-industrial);
    line-height: 1.6;
}

/* CTA Section */
.cta-section {
    background: var(--gradient-steel);
    padding: 80px 0;
}

.cta-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.cta-text h2 {
    color: var(--white);
    margin-bottom: 20px;
}

.cta-text p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.1rem;
    margin-bottom: 40px;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-cta-primary {
    padding: 18px 40px;
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.btn-cta-secondary {
    padding: 18px 40px;
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
    border-radius: 5px;
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.btn-cta-primary:hover,
.btn-cta-secondary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

/* Contact Section */
.contact-section {
    background: var(--gray-light);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info h3 {
    color: var(--dark-steel);
    margin-bottom: 20px;
}

.contact-info > p {
    color: var(--gray-industrial);
    margin-bottom: 40px;
    line-height: 1.8;
}

.contact-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

.contact-card {
    display: flex;
    align-items: start;
    gap: 15px;
    padding: 20px;
    background: var(--white);
    border-radius: 10px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

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

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon i {
    color: var(--white);
    font-size: 1.3rem;
}

.contact-text h4 {
    color: var(--dark-steel);
    margin-bottom: 5px;
}

.contact-text p {
    color: var(--gray-industrial);
    font-size: 0.95rem;
    margin: 2px 0;
}

.emergency-contact {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px;
    background: var(--gradient-warning);
    border-radius: 10px;
    color: var(--dark-steel);
}

.emergency-contact i {
    font-size: 2rem;
}

.emergency-contact h4 {
    margin-bottom: 5px;
}

.emergency-contact p {
    margin: 0;
}

.emergency-contact strong {
    font-size: 1.2rem;
}

.contact-form-container {
    padding: 40px;
    background: var(--white);
    border-radius: 10px;
    box-shadow: var(--shadow-industrial);
}

.contact-form h3 {
    color: var(--dark-steel);
    margin-bottom: 30px;
    text-align: center;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    position: relative;
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    color: var(--gray-industrial);
    font-weight: 600;
    margin-bottom: 8px;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 1px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    padding-right: 40px;
    border: 2px solid #CFD8DC;
    border-radius: 5px;
    font-family: var(--font-roboto);
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-orange);
    box-shadow: 0 0 0 3px rgba(255, 69, 0, 0.1);
}

.form-group i {
    position: absolute;
    right: 15px;
    bottom: 15px;
    color: var(--gray-medium);
}

.form-group textarea ~ i {
    bottom: auto;
    top: 50px;
}

.form-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 30px;
}

.form-note {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--gray-industrial);
    font-size: 0.9rem;
}

.form-note i {
    color: var(--primary-blue);
}

.btn-submit {
    padding: 15px 40px;
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 10px;
}

.btn-submit:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

/* Map Section */
.map-section {
    position: relative;
    height: 400px;
}

.map-container {
    position: relative;
    width: 100%;
    height: 100%;
}

#map {
    width: 100%;
    height: 100%;
    background: #CFD8DC;
}

.map-overlay {
    position: absolute;
    top: 30px;
    left: 30px;
    z-index: 10;
}

.map-info {
    padding: 20px;
    background: var(--white);
    border-radius: 10px;
    box-shadow: var(--shadow-industrial);
}

.map-info h3 {
    color: var(--dark-steel);
    margin-bottom: 10px;
}

.map-info p {
    color: var(--gray-industrial);
    margin-bottom: 15px;
}

.btn-directions {
    padding: 10px 20px;
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    border-radius: 5px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: var(--transition);
}

.btn-directions:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Footer */
.footer {
    background: var(--gradient-steel);
    color: var(--white);
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo h3 {
    font-family: var(--font-oswald);
    color: var(--white);
    margin-bottom: 10px;
}

.footer-logo p {
    color: var(--primary-orange);
    margin-bottom: 15px;
}

.footer-description {
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 20px;
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--gradient-primary);
    transform: translateY(-3px);
}

.footer-section h4 {
    color: var(--primary-orange);
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: 12px;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

.footer-section a:hover {
    color: var(--white);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
}

/* Back to Top */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    border-radius: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    box-shadow: var(--shadow-industrial);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-visual {
        display: none;
    }
    
    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .service-card.main-service {
        grid-column: span 1;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        padding: 100px 30px;
        box-shadow: var(--shadow-xl);
        transition: var(--transition);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row,
    .contact-cards {
        grid-template-columns: 1fr;
    }
    
    .project-item,
    .project-item:nth-child(even) {
        flex-direction: column;
    }
    
    .project-card {
        width: 100%;
        margin: 0 !important;
    }
    
    .timeline-line {
        display: none;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .services-grid,
    .capabilities-grid,
    .certifications-grid {
        grid-template-columns: 1fr;
    }
    
    .cert-badges {
        grid-template-columns: 1fr;
    }
}

/* Loading State */
.loading {
    pointer-events: none;
    opacity: 0.6;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 30px;
    height: 30px;
    border: 3px solid transparent;
    border-top-color: var(--primary-orange);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    transform: translate(-50%, -50%);
}

@keyframes spin {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to { transform: translate(-50%, -50%) rotate(360deg); }
}