/* ============================================
   REGIMAC - Estilos CSS
   Tema: Construcción Urbana Moderna
   ============================================ */

/* Variables CSS */
:root {
    /* Colores principales - Urbano Moderno */
    --primary-red: #E94B3C;
    --primary-blue: #1565C0;
    --primary-green: #2E7D32;
    --accent-orange: #FFB000;
    --accent-gray: #546E7A;
    
    /* Grises profesionales */
    --dark-gray: #263238;
    --medium-gray: #455A64;
    --light-gray: #CFD8DC;
    --bg-light: #F5F7FA;
    --white: #FFFFFF;
    
    /* Gradientes */
    --gradient-primary: linear-gradient(135deg, #E94B3C 0%, #FFB000 100%);
    --gradient-secondary: linear-gradient(135deg, #1565C0 0%, #2E7D32 100%);
    --gradient-dark: linear-gradient(180deg, #263238 0%, #455A64 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);
    
    /* Fuentes */
    --font-bebas: 'Bebas Neue', cursive;
    --font-montserrat: 'Montserrat', 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;
    overflow-x: hidden;
}

body {
    font-family: var(--font-montserrat);
    font-size: 16px;
    line-height: 1.6;
    color: var(--dark-gray);
    background: var(--bg-light);
    overflow-x: hidden;
}

/* Urban Background */
.urban-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: linear-gradient(135deg, #f5f7fa 0%, #e9ecef 100%);
}

.cityscape {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 300px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 320'%3E%3Cpath fill='%23263238' fill-opacity='0.05' d='M0,256L60,240C120,224,240,192,360,192C480,192,600,224,720,234.7C840,245,960,235,1080,213.3C1200,192,1320,160,1380,144L1440,128L1440,320L1380,320C1320,320,1200,320,1080,320C960,320,840,320,720,320C600,320,480,320,360,320C240,320,120,320,60,320L0,320Z'%3E%3C/path%3E%3C/svg%3E") no-repeat bottom;
    background-size: cover;
}

.construction-lines {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        repeating-linear-gradient(90deg, transparent, transparent 50px, rgba(233, 75, 60, 0.03) 50px, rgba(233, 75, 60, 0.03) 51px),
        repeating-linear-gradient(0deg, transparent, transparent 50px, rgba(21, 101, 192, 0.03) 50px, rgba(21, 101, 192, 0.03) 51px);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-bebas);
    font-weight: 400;
    line-height: 1.2;
    color: var(--dark-gray);
}

h1 { font-size: clamp(2.5rem, 6vw, 4rem); }
h2 { font-size: clamp(2rem, 5vw, 3rem); }
h3 { font-size: clamp(1.5rem, 4vw, 2rem); }
h4 { font-size: clamp(1.2rem, 3vw, 1.5rem); }

p {
    margin-bottom: 1rem;
}

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

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

/* 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(--white);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.construction-loader {
    position: relative;
    width: 120px;
    height: 120px;
    margin: 0 auto 30px;
}

.crane-arm {
    position: absolute;
    width: 80px;
    height: 4px;
    background: var(--primary-red);
    top: 30px;
    left: 20px;
    transform-origin: left center;
    animation: craneRotate 3s ease-in-out infinite;
}

.crane-cable {
    position: absolute;
    width: 2px;
    height: 40px;
    background: var(--dark-gray);
    top: 30px;
    left: 98px;
    animation: cableSwing 3s ease-in-out infinite;
}

.crane-block {
    position: absolute;
    width: 20px;
    height: 20px;
    background: var(--accent-orange);
    top: 68px;
    left: 89px;
    animation: blockSwing 3s ease-in-out infinite;
}

@keyframes craneRotate {
    0%, 100% { transform: rotate(-20deg); }
    50% { transform: rotate(20deg); }
}

@keyframes cableSwing {
    0%, 100% { transform: translateX(0); }
    50% { transform: translateX(40px); }
}

@keyframes blockSwing {
    0%, 100% { transform: translateX(0) rotate(-5deg); }
    50% { transform: translateX(40px) rotate(5deg); }
}

.loader-text span {
    font-family: var(--font-bebas);
    font-size: 2rem;
    color: var(--primary-red);
    letter-spacing: 3px;
    display: block;
    margin-bottom: 20px;
}

.progress-bar {
    width: 200px;
    height: 4px;
    background: var(--light-gray);
    border-radius: 2px;
    overflow: hidden;
}

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

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    padding: 1rem 0;
    transition: var(--transition);
}

.navbar.scrolled {
    padding: 0.5rem 0;
    box-shadow: var(--shadow-md);
}

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

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

.logo-icon svg {
    transition: var(--transition);
}

.logo-wrapper:hover .logo-icon svg {
    transform: scale(1.1);
}

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

.brand-name {
    font-family: var(--font-bebas);
    font-size: 1.8rem;
    color: var(--primary-red);
    letter-spacing: 2px;
    line-height: 1;
}

.brand-tagline {
    font-size: 0.7rem;
    color: var(--medium-gray);
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

.nav-link {
    font-weight: 500;
    color: var(--dark-gray);
    padding: 8px 16px;
    border-radius: 4px;
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--primary-red);
    background: rgba(233, 75, 60, 0.1);
}

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

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

.nav-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
    gap: 5px;
}

.nav-toggle span {
    width: 30px;
    height: 3px;
    background: var(--primary-red);
    border-radius: 2px;
    transition: var(--transition);
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(8px, -8px);
}

/* Hero Section */
.hero-section {
    min-height: 100vh;
    padding: 120px 0 80px;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.blueprint-overlay {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(255,255,255,0.9), rgba(255,255,255,0.9)),
        repeating-linear-gradient(0deg, transparent, transparent 20px, rgba(21,101,192,0.03) 20px, rgba(21,101,192,0.03) 21px),
        repeating-linear-gradient(90deg, transparent, transparent 20px, rgba(233,75,60,0.03) 20px, rgba(233,75,60,0.03) 21px);
}

.construction-particles {
    position: absolute;
    width: 100%;
    height: 100%;
}

.hero-section .container {
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 600px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--white);
    padding: 8px 20px;
    border-radius: 25px;
    box-shadow: var(--shadow-sm);
    margin-bottom: 30px;
}

.hero-badge i {
    color: var(--accent-orange);
    font-size: 1.2rem;
}

.hero-badge span {
    color: var(--medium-gray);
    font-weight: 500;
    font-size: 0.9rem;
}

.hero-title {
    margin-bottom: 30px;
}

.title-small {
    display: block;
    font-size: 1.2rem;
    color: var(--medium-gray);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.title-main {
    display: block;
    font-size: clamp(3rem, 8vw, 5rem);
    color: var(--primary-red);
    line-height: 0.9;
}

.title-accent {
    display: block;
    font-size: clamp(2.5rem, 7vw, 4rem);
    color: var(--primary-blue);
    line-height: 1;
}

.title-sub {
    display: block;
    font-size: clamp(2rem, 6vw, 3rem);
    color: var(--primary-green);
    line-height: 1;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--medium-gray);
    margin-bottom: 40px;
    line-height: 1.8;
}

.hero-stats {
    display: flex;
    gap: 30px;
    margin-bottom: 40px;
}

.stat-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px;
    background: var(--white);
    border-radius: 10px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

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

.stat-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
}

.stat-icon i {
    color: var(--white);
    font-size: 1.5rem;
}

.stat-number {
    font-family: var(--font-bebas);
    font-size: 2.5rem;
    color: var(--primary-red);
    line-height: 1;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--medium-gray);
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 35px;
    font-weight: 600;
    border-radius: 30px;
    transition: var(--transition);
    text-decoration: none;
    cursor: pointer;
    border: none;
}

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

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

.btn-secondary {
    background: var(--white);
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
}

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

/* Hero Visual */
.hero-visual {
    position: absolute;
    right: 50px;
    top: 50%;
    transform: translateY(-50%);
    width: 400px;
    height: 500px;
}

.building-animation {
    position: relative;
    width: 100%;
    height: 100%;
}

.floor {
    position: absolute;
    width: 200px;
    background: var(--gradient-secondary);
    left: 100px;
    opacity: 0;
    animation: buildFloor 3s ease-out forwards;
    box-shadow: var(--shadow-md);
}

.floor-1 {
    height: 80px;
    bottom: 0;
    animation-delay: 0.5s;
}

.floor-2 {
    height: 70px;
    bottom: 80px;
    animation-delay: 1s;
}

.floor-3 {
    height: 60px;
    bottom: 150px;
    animation-delay: 1.5s;
}

.floor-4 {
    height: 50px;
    bottom: 210px;
    animation-delay: 2s;
}

.floor-5 {
    height: 40px;
    bottom: 260px;
    animation-delay: 2.5s;
}

@keyframes buildFloor {
    0% {
        opacity: 0;
        transform: translateY(20px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.construction-crane {
    position: absolute;
    top: 50px;
    right: 0;
    width: 150px;
    height: 350px;
}

.crane-tower {
    position: absolute;
    width: 15px;
    height: 100%;
    background: var(--accent-orange);
    left: 50%;
    transform: translateX(-50%);
}

.crane-jib {
    position: absolute;
    width: 120px;
    height: 10px;
    background: var(--accent-orange);
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    animation: craneSwing 6s ease-in-out infinite;
}

.crane-load {
    position: absolute;
    width: 30px;
    height: 30px;
    background: var(--primary-red);
    top: 10px;
    left: 110px;
    animation: loadSwing 6s ease-in-out infinite;
}

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

@keyframes loadSwing {
    0%, 100% { transform: translateX(0) translateY(0); }
    50% { transform: translateX(-80px) translateY(10px); }
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-indicator i {
    font-size: 2rem;
    color: var(--primary-red);
    opacity: 0.6;
}

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

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

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    padding: 5px 20px;
    background: var(--gradient-primary);
    color: var(--white);
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    border-radius: 20px;
    margin-bottom: 20px;
}

.section-title {
    font-family: var(--font-bebas);
    font-size: clamp(2rem, 5vw, 3rem);
    color: var(--dark-gray);
}

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

.about-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.company-info h3 {
    color: var(--primary-red);
    margin-bottom: 20px;
}

.lead {
    font-size: 1.1rem;
    color: var(--medium-gray);
    line-height: 1.8;
    margin-bottom: 30px;
}

.company-details {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 40px;
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: var(--bg-light);
    border-radius: 10px;
    border-left: 4px solid var(--primary-red);
}

.detail-item i {
    font-size: 1.5rem;
    color: var(--primary-red);
}

.detail-item div {
    display: flex;
    flex-direction: column;
}

.detail-item .label {
    font-size: 0.85rem;
    color: var(--medium-gray);
    text-transform: uppercase;
}

.detail-item .value {
    font-weight: 600;
    color: var(--dark-gray);
}

.detail-item .value.active {
    color: var(--primary-green);
}

.certifications {
    padding: 30px;
    background: linear-gradient(135deg, rgba(233,75,60,0.05) 0%, rgba(21,101,192,0.05) 100%);
    border-radius: 15px;
}

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

.cert-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.cert-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px;
    background: var(--white);
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
}

.cert-item i {
    color: var(--accent-orange);
    font-size: 1.2rem;
}

.cert-item span {
    font-weight: 600;
    color: var(--dark-gray);
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.feature-card {
    padding: 30px;
    background: var(--white);
    border-radius: 15px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border-top: 4px solid transparent;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-top-color: var(--primary-red);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, rgba(233,75,60,0.1) 0%, rgba(255,176,0,0.1) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.feature-icon i {
    font-size: 1.8rem;
    color: var(--primary-red);
}

.feature-card h4 {
    color: var(--dark-gray);
    margin-bottom: 15px;
}

.feature-card p {
    color: var(--medium-gray);
}

.mission-vision {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.mv-card {
    padding: 40px 30px;
    background: var(--bg-light);
    border-radius: 15px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

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

.mv-icon {
    width: 80px;
    height: 80px;
    background: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    box-shadow: var(--shadow-sm);
}

.mv-icon i {
    font-size: 2rem;
    color: var(--primary-red);
}

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

.mv-card p {
    color: var(--medium-gray);
    line-height: 1.8;
}

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

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.service-card {
    padding: 35px;
    background: var(--white);
    border-radius: 15px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card.featured {
    grid-column: span 2;
    background: linear-gradient(135deg, var(--white) 0%, rgba(233,75,60,0.05) 100%);
    border: 2px solid var(--primary-red);
}

.service-card::before {
    content: '';
    position: absolute;
    top: -100%;
    left: -100%;
    width: 300%;
    height: 300%;
    background: radial-gradient(circle, rgba(233,75,60,0.1) 0%, transparent 70%);
    transition: var(--transition);
    opacity: 0;
}

.service-card:hover::before {
    opacity: 1;
}

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

.service-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-primary);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
}

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

.service-card h3 {
    color: var(--dark-gray);
    margin-bottom: 10px;
}

.service-percentage {
    display: inline-block;
    padding: 5px 12px;
    background: var(--primary-red);
    color: var(--white);
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 15px;
}

.service-card p {
    color: var(--medium-gray);
    margin-bottom: 20px;
}

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

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

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

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

.projects-filter {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 50px;
}

.filter-btn {
    padding: 10px 25px;
    background: var(--white);
    border: 2px solid var(--light-gray);
    border-radius: 25px;
    font-weight: 500;
    color: var(--medium-gray);
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn.active,
.filter-btn:hover {
    background: var(--gradient-primary);
    border-color: transparent;
    color: var(--white);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.project-card {
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

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

.project-image {
    position: relative;
    height: 250px;
    background: var(--gradient-secondary);
    overflow: hidden;
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.project-card:hover .project-overlay {
    background: rgba(0,0,0,0.7);
}

.project-overlay i {
    font-size: 3rem;
    color: var(--white);
}

.project-info {
    padding: 30px;
}

.project-info h4 {
    color: var(--dark-gray);
    margin-bottom: 10px;
}

.project-info p {
    color: var(--medium-gray);
    margin-bottom: 20px;
}

.project-stats {
    display: flex;
    gap: 20px;
}

.project-stats span {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-red);
    font-size: 0.9rem;
    font-weight: 500;
}

.project-stats i {
    color: var(--accent-orange);
}

.projects-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    padding: 40px;
    background: var(--bg-light);
    border-radius: 15px;
}

.projects-stats .stat-item {
    text-align: center;
}

.projects-stats .stat-item i {
    font-size: 2.5rem;
    color: var(--primary-red);
    margin-bottom: 15px;
}

.projects-stats .number {
    display: block;
    font-family: var(--font-bebas);
    font-size: 3rem;
    color: var(--dark-gray);
    line-height: 1;
}

.projects-stats .label {
    display: block;
    color: var(--medium-gray);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
    margin-top: 10px;
}

/* Process Section */
.process-section {
    background: linear-gradient(135deg, rgba(233,75,60,0.05) 0%, rgba(21,101,192,0.05) 100%);
}

.process-timeline {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    padding: 40px 0;
}

.timeline-line {
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--gradient-primary);
    transform: translateX(-50%);
}

.process-step {
    position: relative;
    display: flex;
    margin-bottom: 80px;
}

.process-step:nth-child(even) {
    flex-direction: row-reverse;
}

.step-number {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 60px;
    background: var(--white);
    border: 4px solid var(--primary-red);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-bebas);
    font-size: 1.5rem;
    color: var(--primary-red);
    z-index: 2;
}

.step-content {
    width: 45%;
    padding: 30px;
    background: var(--white);
    border-radius: 15px;
    box-shadow: var(--shadow-sm);
    position: relative;
}

.process-step:nth-child(odd) .step-content {
    margin-right: auto;
}

.process-step:nth-child(even) .step-content {
    margin-left: auto;
}

.step-content h3 {
    color: var(--dark-gray);
    margin-bottom: 15px;
}

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

.step-icon {
    position: absolute;
    top: 30px;
    width: 50px;
    height: 50px;
    background: rgba(233,75,60,0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.process-step:nth-child(odd) .step-icon {
    right: 30px;
}

.process-step:nth-child(even) .step-icon {
    left: 30px;
}

.step-icon i {
    font-size: 1.5rem;
    color: var(--primary-red);
}

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

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

.contact-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.info-card {
    padding: 30px;
    background: var(--bg-light);
    border-radius: 15px;
    transition: var(--transition);
}

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

.info-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.info-icon i {
    font-size: 1.8rem;
    color: var(--white);
}

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

.info-card address,
.info-card p {
    color: var(--medium-gray);
    line-height: 1.8;
}

.info-card .urgent {
    color: var(--primary-red);
    font-weight: 600;
}

/* Contact Form */
.contact-form {
    padding: 40px;
    background: var(--bg-light);
    border-radius: 20px;
}

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

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

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--dark-gray);
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 20px;
    background: var(--white);
    border: 2px solid var(--light-gray);
    border-radius: 10px;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-red);
    box-shadow: 0 0 0 4px rgba(233,75,60,0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
}

.btn-submit {
    width: 100%;
    padding: 15px 40px;
    background: var(--gradient-primary);
    border: none;
    border-radius: 30px;
    color: var(--white);
    font-size: 1.1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
}

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

.form-note {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 20px;
    color: var(--medium-gray);
    font-size: 0.9rem;
}

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

/* Map */
.map-container {
    height: 400px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.map {
    width: 100%;
    height: 100%;
}

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

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.footer-logo i {
    font-size: 2rem;
    color: var(--accent-orange);
}

.footer-logo h3 {
    font-family: var(--font-bebas);
    font-size: 2rem;
    color: var(--white);
}

.footer-column h4 {
    color: var(--white);
    margin-bottom: 20px;
    font-size: 1.2rem;
}

.footer-column p {
    color: rgba(255,255,255,0.7);
    margin-bottom: 20px;
    line-height: 1.8;
}

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

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

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

.footer-column a:hover {
    color: var(--accent-orange);
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--accent-orange);
    transform: translateY(-5px);
}

.footer-certs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.cert-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: rgba(255,255,255,0.1);
    border-radius: 8px;
}

.cert-badge i {
    color: var(--accent-orange);
}

.cert-badge span {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.9);
}

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

.footer-bottom p {
    color: rgba(255,255,255,0.6);
    margin-bottom: 5px;
}

.footer-bottom a {
    color: var(--accent-orange);
}

/* 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: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-lg);
    z-index: 999;
}

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

.back-to-top:hover {
    transform: translateY(-5px) rotate(360deg);
}

/* Notification Container */
#notificationContainer {
    position: fixed;
    top: 100px;
    right: 20px;
    z-index: 9999;
}

.notification {
    background: var(--white);
    padding: 20px 30px;
    border-radius: 10px;
    box-shadow: var(--shadow-xl);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 15px;
    min-width: 350px;
    animation: slideIn 0.5s ease-out;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.notification.success {
    border-left: 5px solid var(--primary-green);
}

.notification.error {
    border-left: 5px solid var(--primary-red);
}

.notification i {
    font-size: 1.5rem;
}

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

@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 30px;
        box-shadow: -10px 0 40px rgba(0,0,0,0.1);
        transition: var(--transition);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .hero-stats {
        flex-direction: column;
        width: 100%;
    }
    
    .stat-card {
        width: 100%;
    }
    
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .company-details,
    .contact-info {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .process-step {
        flex-direction: column !important;
    }
    
    .step-content {
        width: 100%;
        margin: 0 !important;
    }
    
    .timeline-line {
        left: 30px;
    }
    
    .step-number {
        left: 30px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .mission-vision {
        grid-template-columns: 1fr;
    }
    
    .projects-filter {
        flex-wrap: wrap;
    }
    
    .filter-btn {
        width: 100%;
    }
}

/* Print Styles */
@media print {
    .navbar,
    .hero-visual,
    .back-to-top,
    .social-links,
    #notificationContainer {
        display: none;
    }
    
    body {
        color: black;
        background: white;
    }
    
    section {
        page-break-inside: avoid;
    }
}

/* Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

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

.slide-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.8s ease;
}

.slide-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.slide-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.8s ease;
}

.slide-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* 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 var(--light-gray);
    border-top-color: var(--primary-red);
    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); }
}