/* WRTEC Corporate Website - Flat Design Style */

/* CSS Variables */
:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary-color: #10b981;
    --accent-color: #f59e0b;
    --dark-color: #1e293b;
    --light-color: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --white: #ffffff;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    background-color: var(--white);
}

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

ul {
    list-style: none;
}

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

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-align: center;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
}

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

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

.btn-light {
    background-color: var(--white);
    color: var(--primary-color);
}

.btn-light:hover {
    background-color: var(--gray-100);
    transform: translateY(-2px);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: var(--white);
    box-shadow: var(--shadow);
    z-index: 1000;
    padding: 15px 0;
}

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

.logo {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary-color);
    letter-spacing: -1px;
}

.nav-links {
    display: flex;
    gap: 35px;
}

.nav-links a {
    color: var(--gray-600);
    font-weight: 500;
    padding: 8px 0;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary-color);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.lang-switch {
    background-color: var(--gray-100);
    color: var(--gray-700);
    border: none;
    padding: 8px 16px;
    border-radius: 6px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.lang-switch:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--dark-color);
}

/* Hero Section */
.hero {
    padding: 140px 0 80px;
    background: linear-gradient(135deg, var(--gray-100) 0%, var(--white) 100%);
    min-height: 90vh;
    display: flex;
    align-items: center;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content h1 {
    font-size: 3.2rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
    color: var(--dark-color);
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--gray-600);
    margin-bottom: 30px;
    max-width: 500px;
}

.hero-content .btn {
    margin-right: 15px;
    margin-bottom: 10px;
}

.hero-graphic {
    position: relative;
    height: 400px;
}

.floating-shapes {
    position: relative;
    width: 100%;
    height: 100%;
}

.shape {
    position: absolute;
    border-radius: 20px;
    animation: float 6s ease-in-out infinite;
}

.shape-1 {
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    top: 20%;
    left: 20%;
    animation-delay: 0s;
}

.shape-2 {
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, var(--accent-color), #fbbf24);
    top: 10%;
    right: 20%;
    animation-delay: 1s;
    border-radius: 50%;
}

.shape-3 {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--secondary-color), #34d399);
    bottom: 20%;
    left: 30%;
    animation-delay: 2s;
}

.shape-4 {
    width: 150px;
    height: 150px;
    background: linear-gradient(135deg, #8b5cf6, #a78bfa);
    bottom: 10%;
    right: 10%;
    animation-delay: 3s;
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(5deg); }
}


/* Features Section */
.features {
    padding: 100px 0;
    background-color: var(--white);
}

.features h2,
.services-preview h2,
.stats h2,
.industries h2,
.timeline h2,
.process h2,
.faq h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 50px;
    color: var(--dark-color);
}

.section-desc {
    text-align: center;
    color: var(--gray-600);
    max-width: 600px;
    margin: -30px auto 50px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.feature-card {
    background-color: var(--gray-100);
    padding: 40px 30px;
    border-radius: 16px;
    text-align: center;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    background-color: var(--white);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.feature-card p {
    color: var(--gray-600);
    font-size: 0.95rem;
}

/* Services Preview */
.services-preview {
    padding: 100px 0;
    background-color: var(--gray-100);
    text-align: center;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

.service-card {
    background-color: var(--white);
    padding: 40px 30px;
    border-radius: 16px;
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
}

.service-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.service-card p {
    color: var(--gray-600);
    font-size: 0.95rem;
}

/* Stats Section */
.stats {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    text-align: center;
}

.stat-item {
    color: var(--white);
}

.stat-number {
    display: block;
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* CTA Section */
.cta {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--secondary-color), #059669);
    text-align: center;
    color: var(--white);
}

.cta h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.cta p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

/* Page Header */
.page-header {
    padding: 140px 0 60px;
    background: linear-gradient(135deg, var(--gray-100) 0%, var(--white) 100%);
    text-align: center;
}

.page-header h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.page-header p {
    font-size: 1.2rem;
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
}

/* About Page */
.about-intro {
    padding: 80px 0;
}

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

.about-content h2 {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--dark-color);
}

.about-content p {
    color: var(--gray-600);
    margin-bottom: 15px;
    font-size: 1.05rem;
}

.about-image {
    display: flex;
    justify-content: center;
}

.image-placeholder {
    width: 100%;
    max-width: 400px;
    height: 300px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.placeholder-icon {
    font-size: 5rem;
}

/* Mission Vision */
.mission-vision {
    padding: 80px 0;
    background-color: var(--gray-100);
}

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

.mv-card {
    background-color: var(--white);
    padding: 40px 30px;
    border-radius: 16px;
    text-align: center;
}

.mv-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.mv-card h3 {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.mv-card p {
    color: var(--gray-600);
}

/* Industries */
.industries {
    padding: 80px 0;
}

.industries-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
}

.industry-card {
    background-color: var(--gray-100);
    padding: 30px 20px;
    border-radius: 12px;
    text-align: center;
    transition: var(--transition);
}

.industry-card:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

.industry-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.industry-card h4 {
    font-size: 0.9rem;
    font-weight: 600;
}

/* Timeline */
.timeline {
    padding: 80px 0;
    background-color: var(--gray-100);
}

.timeline-container {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.timeline-container::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 100%;
    background-color: var(--primary-color);
    border-radius: 2px;
}

.timeline-item {
    display: flex;
    justify-content: flex-end;
    padding-right: 50%;
    position: relative;
    margin-bottom: 40px;
}

.timeline-item:nth-child(even) {
    justify-content: flex-start;
    padding-right: 0;
    padding-left: 50%;
}

.timeline-dot {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 20px;
    background-color: var(--primary-color);
    border-radius: 50%;
    border: 4px solid var(--white);
}

.timeline-content {
    background-color: var(--white);
    padding: 25px;
    border-radius: 12px;
    max-width: 350px;
    margin-right: 30px;
    box-shadow: var(--shadow);
}

.timeline-item:nth-child(even) .timeline-content {
    margin-right: 0;
    margin-left: 30px;
}

.timeline-content h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.timeline-content p {
    color: var(--gray-600);
    font-size: 0.95rem;
}


/* Services Page */
.services-main {
    padding: 80px 0;
}

.service-detail {
    display: grid;
    grid-template-columns: 150px 1fr;
    gap: 40px;
    align-items: start;
    margin-bottom: 60px;
    padding: 40px;
    background-color: var(--gray-100);
    border-radius: 20px;
}

.service-detail.reverse {
    grid-template-columns: 1fr 150px;
}

.service-detail.reverse .service-detail-icon {
    order: 2;
}

.service-detail-icon {
    font-size: 4rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    width: 120px;
    height: 120px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-detail-content h2 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.service-detail-content p {
    color: var(--gray-600);
    margin-bottom: 20px;
    font-size: 1.05rem;
}

.service-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}

.service-features li {
    color: var(--gray-700);
    padding-left: 25px;
    position: relative;
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: bold;
}

/* Process */
.process {
    padding: 80px 0;
    background-color: var(--gray-100);
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.process-step {
    text-align: center;
    position: relative;
}

.step-number {
    font-size: 4rem;
    font-weight: 800;
    color: var(--primary-color);
    opacity: 0.2;
    margin-bottom: 10px;
}

.process-step h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--dark-color);
}

.process-step p {
    color: var(--gray-600);
    font-size: 0.95rem;
}

/* Contact Page */
.contact-main {
    padding: 80px 0;
}

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

.contact-info h2,
.contact-form-container h2 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--dark-color);
}

.contact-info > p {
    color: var(--gray-600);
    margin-bottom: 30px;
}

.contact-details {
    margin-bottom: 30px;
}

.contact-item {
    display: flex;
    gap: 20px;
    margin-bottom: 25px;
}

.contact-icon {
    font-size: 1.5rem;
    width: 50px;
    height: 50px;
    background-color: var(--gray-100);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-text h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 5px;
    color: var(--dark-color);
}

.contact-text p {
    color: var(--gray-600);
    font-size: 0.95rem;
}

.contact-text a {
    color: var(--primary-color);
}

.contact-text a:hover {
    text-decoration: underline;
}

.company-info {
    background-color: var(--gray-100);
    padding: 25px;
    border-radius: 12px;
}

.company-info h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.company-info p {
    color: var(--gray-600);
    margin-bottom: 8px;
    font-size: 0.95rem;
}

/* Contact Form */
.contact-form-container {
    background-color: var(--gray-100);
    padding: 40px;
    border-radius: 20px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-weight: 500;
    color: var(--gray-700);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 14px 16px;
    border: 2px solid var(--gray-200);
    border-radius: 10px;
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
    background-color: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

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

.checkbox-group {
    flex-direction: row;
    align-items: center;
    gap: 10px;
}

.checkbox-group input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.checkbox-group label {
    font-weight: 400;
    font-size: 0.9rem;
}

.checkbox-group a {
    color: var(--primary-color);
}

.checkbox-group a:hover {
    text-decoration: underline;
}

/* Map Section */
.map-section {
    padding: 60px 0;
    background-color: var(--gray-100);
}

.map-section h2 {
    text-align: center;
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 30px;
    color: var(--dark-color);
}

.map-placeholder {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    height: 300px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.map-content {
    text-align: center;
    color: var(--white);
}

.map-icon {
    font-size: 4rem;
    margin-bottom: 15px;
}

.map-content p {
    font-size: 1.1rem;
    max-width: 500px;
}

/* FAQ */
.faq {
    padding: 80px 0;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.faq-item {
    background-color: var(--gray-100);
    padding: 30px;
    border-radius: 16px;
}

.faq-item h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.faq-item p {
    color: var(--gray-600);
    font-size: 0.95rem;
}


/* Legal Pages */
.legal-content {
    padding: 60px 0 100px;
}

.legal-document {
    max-width: 900px;
    margin: 0 auto;
}

.legal-section {
    margin-bottom: 40px;
}

.legal-section h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--dark-color);
    padding-bottom: 10px;
    border-bottom: 2px solid var(--gray-200);
}

.legal-section p {
    color: var(--gray-600);
    margin-bottom: 15px;
    font-size: 1rem;
    line-height: 1.8;
}

.legal-section ul {
    margin-left: 20px;
    margin-bottom: 15px;
}

.legal-section li {
    color: var(--gray-600);
    margin-bottom: 10px;
    padding-left: 15px;
    position: relative;
}

.legal-section li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

.info-box {
    background-color: var(--gray-100);
    padding: 25px;
    border-radius: 12px;
    border-left: 4px solid var(--primary-color);
}

.info-box p {
    margin-bottom: 8px;
}

.info-box p:last-child {
    margin-bottom: 0;
}

.info-box a {
    color: var(--primary-color);
}

.info-box a:hover {
    text-decoration: underline;
}

/* Footer */
.footer {
    background-color: var(--dark-color);
    color: var(--gray-300);
    padding: 60px 0 30px;
}

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

.footer-col h4 {
    color: var(--white);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.footer-col p {
    font-size: 0.9rem;
    margin-bottom: 10px;
    line-height: 1.6;
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col a {
    color: var(--gray-300);
    font-size: 0.9rem;
    transition: var(--transition);
}

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

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--gray-700);
}

.footer-bottom p {
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }
    
    .industries-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .process-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
    }
    
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--white);
        flex-direction: column;
        padding: 20px;
        gap: 15px;
        box-shadow: var(--shadow);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .lang-switch {
        display: none;
    }
    
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content h1 {
        font-size: 2.2rem;
    }
    
    .hero-content p {
        margin: 0 auto 30px;
    }
    
    .hero-graphic {
        display: none;
    }
    
    .features-grid,
    .services-grid,
    .mv-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .service-detail,
    .service-detail.reverse {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .service-detail.reverse .service-detail-icon {
        order: 0;
    }
    
    .service-detail-icon {
        margin: 0 auto;
    }
    
    .service-features {
        grid-template-columns: 1fr;
        text-align: left;
    }
    
    .industries-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .timeline-container::before {
        left: 20px;
    }
    
    .timeline-item,
    .timeline-item:nth-child(even) {
        padding-left: 60px;
        padding-right: 0;
        justify-content: flex-start;
    }
    
    .timeline-dot {
        left: 20px;
    }
    
    .timeline-content,
    .timeline-item:nth-child(even) .timeline-content {
        margin-left: 0;
        margin-right: 0;
        max-width: 100%;
    }
    
    .process-grid {
        grid-template-columns: 1fr;
    }
    
    .faq-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .page-header h1 {
        font-size: 2rem;
    }
    
    .cta h2 {
        font-size: 1.8rem;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 1.8rem;
    }
    
    .btn {
        display: block;
        width: 100%;
        margin-right: 0;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .industries-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-form-container {
        padding: 25px;
    }
}