/* ===== CSS Variables ===== */
:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary: #10b981;
    --accent: #f59e0b;
    --dark: #1e293b;
    --dark-light: #334155;
    --light: #f8fafc;
    --gray: #64748b;
    --gray-light: #e2e8f0;
    --white: #ffffff;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --radius: 8px;
    --radius-lg: 16px;
    --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, sans-serif;
    line-height: 1.6;
    color: var(--dark);
    background: var(--white);
}

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

ul {
    list-style: none;
}

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

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

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

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.logo-icon {
    font-size: 2rem;
    color: var(--secondary);
}

.nav-links {
    display: flex;
    gap: 30px;
}

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

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

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

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

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

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

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

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

/* ===== Hero Section ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 100px 20px 60px;
    background: linear-gradient(135deg, var(--light) 0%, var(--white) 100%);
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    z-index: 1;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero p {
    font-size: 1.25rem;
    color: var(--gray);
    margin-bottom: 40px;
    max-width: 600px;
}

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

.hero-visual {
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    width: 50%;
    pointer-events: none;
}

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

.shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.6;
    animation: float 6s ease-in-out infinite;
}

.shape-1 {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    top: 20%;
    right: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 150px;
    height: 150px;
    background: linear-gradient(135deg, var(--accent), var(--primary));
    top: 50%;
    right: 30%;
    animation-delay: 1s;
}

.shape-3 {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--secondary), var(--accent));
    top: 70%;
    right: 15%;
    animation-delay: 2s;
}

.shape-4 {
    width: 80px;
    height: 80px;
    background: var(--primary);
    top: 30%;
    right: 40%;
    animation-delay: 3s;
}

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

/* ===== Buttons ===== */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

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

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

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

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

/* ===== Section Styles ===== */
.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 50px;
    color: var(--dark);
}

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

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

.feature-card {
    background: var(--light);
    padding: 40px 30px;
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition);
}

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

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

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 15px;
    color: var(--dark);
}

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

/* ===== Services Preview ===== */
.services-preview {
    padding: 100px 0;
    background: var(--dark);
}

.services-preview .section-title {
    color: var(--white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--dark-light);
    padding: 40px;
    border-radius: var(--radius-lg);
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

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

.service-number {
    font-size: 4rem;
    font-weight: 800;
    color: rgba(255, 255, 255, 0.1);
    position: absolute;
    top: 10px;
    right: 20px;
}

.service-card h3 {
    font-size: 1.5rem;
    color: var(--white);
    margin-bottom: 15px;
}

.service-card p {
    color: var(--gray-light);
}

/* ===== Stats Section ===== */
.stats {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    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: 1rem;
    opacity: 0.9;
}

/* ===== CTA Section ===== */
.cta {
    padding: 100px 0;
    background: var(--light);
    text-align: center;
}

.cta h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--dark);
}

.cta p {
    font-size: 1.1rem;
    color: var(--gray);
    margin-bottom: 30px;
}

/* ===== Page Header ===== */
.page-header {
    padding: 150px 0 80px;
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark-light) 100%);
    text-align: center;
}

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

.page-header p {
    font-size: 1.2rem;
    color: var(--gray-light);
}

/* ===== About Page ===== */
.about-intro {
    padding: 100px 0;
}

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

.about-content h2 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--dark);
}

.about-content p {
    color: var(--gray);
    margin-bottom: 15px;
    line-height: 1.8;
}

.about-image .image-placeholder {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    height: 400px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-placeholder span {
    font-size: 8rem;
    color: var(--white);
    opacity: 0.5;
}

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

.mv-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.mv-card {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow);
}

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

.mv-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--dark);
}

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

/* Industries */
.industries {
    padding: 100px 0;
}

.industries-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 20px;
}

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

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

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

.industry-card h4 {
    font-size: 0.95rem;
}

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

.timeline .section-title {
    color: var(--white);
}

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

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

.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: var(--primary);
    border-radius: 50%;
    border: 4px solid var(--dark);
}

.timeline-content {
    background: var(--dark-light);
    padding: 25px;
    border-radius: var(--radius);
    margin-right: 30px;
}

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

.timeline-content h4 {
    color: var(--primary);
    margin-bottom: 10px;
}

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


/* ===== Services Page ===== */
.services-main {
    padding: 100px 0;
}

.service-detail {
    display: grid;
    grid-template-columns: 150px 1fr;
    gap: 40px;
    align-items: start;
    margin-bottom: 80px;
    padding-bottom: 80px;
    border-bottom: 1px solid var(--gray-light);
}

.service-detail:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.service-detail.reverse {
    direction: rtl;
}

.service-detail.reverse > * {
    direction: ltr;
}

.service-detail-icon {
    font-size: 5rem;
    background: var(--light);
    width: 150px;
    height: 150px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
}

.service-detail-content h2 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--dark);
}

.service-detail-content p {
    color: var(--gray);
    margin-bottom: 25px;
    line-height: 1.8;
}

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

.service-features li {
    padding: 10px 0;
    padding-left: 30px;
    position: relative;
    color: var(--dark);
}

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

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

.process-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 30px;
}

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

.process-number {
    width: 60px;
    height: 60px;
    background: var(--primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 20px;
}

.process-step h3 {
    font-size: 1.25rem;
    margin-bottom: 10px;
    color: var(--dark);
}

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

/* ===== Portfolio Page ===== */
.portfolio-filter {
    padding: 40px 0;
    background: var(--light);
}

.filter-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.filter-btn {
    background: var(--white);
    border: 2px solid var(--gray-light);
    padding: 10px 25px;
    border-radius: 30px;
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
}

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

.portfolio-grid-section {
    padding: 60px 0 100px;
}

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

.portfolio-item {
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
}

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

.portfolio-image {
    position: relative;
    height: 280px;
}

.portfolio-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark-light) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.portfolio-placeholder span {
    font-size: 5rem;
    opacity: 0.3;
}

.portfolio-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.9));
    padding: 30px 25px;
    color: var(--white);
}

.portfolio-overlay h3 {
    font-size: 1.25rem;
    margin-bottom: 8px;
}

.portfolio-overlay p {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* Testimonials */
.testimonials {
    padding: 100px 0;
    background: var(--light);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.testimonial-card {
    background: var(--white);
    padding: 35px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.testimonial-content p {
    font-style: italic;
    color: var(--gray);
    line-height: 1.8;
    margin-bottom: 25px;
}

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

.author-avatar {
    width: 50px;
    height: 50px;
    background: var(--light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.author-info h4 {
    font-size: 1rem;
    color: var(--dark);
}

.author-info p {
    font-size: 0.85rem;
    color: var(--gray);
}

/* ===== Contact Page ===== */
.contact-main {
    padding: 100px 0;
}

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

.contact-info h2 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--dark);
}

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

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

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

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

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

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

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

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

/* Contact Form */
.contact-form-container h2 {
    font-size: 2rem;
    margin-bottom: 30px;
    color: var(--dark);
}

.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(--dark);
}

.form-group input,
.form-group textarea {
    padding: 14px 18px;
    border: 2px solid var(--gray-light);
    border-radius: var(--radius);
    font-size: 1rem;
    transition: var(--transition);
    font-family: inherit;
}

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

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

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

.contact-map {
    height: 400px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
}

/* Business Hours */
.business-hours {
    padding: 80px 0;
}

.hours-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    max-width: 800px;
    margin: 0 auto;
}

.hours-card {
    background: var(--light);
    padding: 30px;
    border-radius: var(--radius);
    text-align: center;
}

.hours-card h4 {
    color: var(--dark);
    margin-bottom: 10px;
}

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

/* ===== Legal Pages ===== */
.legal-content {
    padding: 80px 0;
}

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

.legal-update {
    color: var(--gray);
    font-style: italic;
    margin-bottom: 40px;
}

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

.legal-section h2 {
    font-size: 1.5rem;
    color: var(--dark);
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--primary);
}

.legal-section h3 {
    font-size: 1.2rem;
    color: var(--dark);
    margin: 25px 0 15px;
}

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

.legal-section ul {
    margin: 15px 0;
    padding-left: 25px;
}

.legal-section li {
    color: var(--gray);
    line-height: 1.8;
    margin-bottom: 10px;
    position: relative;
    padding-left: 15px;
}

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

.legal-contact {
    background: var(--light);
    padding: 30px;
    border-radius: var(--radius);
    margin-top: 20px;
}

.legal-contact p {
    margin-bottom: 8px;
}

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

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

/* ===== Footer ===== */
.footer {
    background: var(--dark);
    padding: 80px 0 30px;
    color: var(--white);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 40px;
    margin-bottom: 50px;
}

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

.footer-col p {
    color: var(--gray-light);
    font-size: 0.95rem;
    margin-bottom: 8px;
}

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

.footer-col a {
    color: var(--gray-light);
    transition: var(--transition);
}

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

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

.footer-bottom p {
    color: var(--gray);
    font-size: 0.9rem;
}

/* ===== Mobile Menu ===== */
.nav-links.mobile-open {
    display: flex;
}

/* ===== Responsive ===== */
@media (max-width: 992px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero-visual {
        display: none;
    }
    
    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .service-detail {
        grid-template-columns: 1fr;
    }
    
    .service-detail.reverse {
        direction: ltr;
    }
    
    .service-detail-icon {
        width: 100px;
        height: 100px;
        font-size: 3rem;
    }
    
    .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;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 20px;
        box-shadow: var(--shadow);
        gap: 0;
    }
    
    .nav-links.mobile-open {
        display: flex;
    }
    
    .nav-links li {
        padding: 15px 0;
        border-bottom: 1px solid var(--gray-light);
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero {
        padding: 120px 20px 60px;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .page-header h1 {
        font-size: 2rem;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
}