* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    padding-top: 132px;
}

/* Header */
header {
    background: white;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    transition: padding 0.3s ease;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo img {
    height: 100px;
    width: auto;
    max-width: 500px;
    object-fit: contain;
    transition: height 0.3s ease, max-width 0.3s ease;
}

.logo img:hover {
    opacity: 0.85;
}

/* Scrolled state */
header.scrolled nav {
    padding: 0.5rem 2rem;
}

header.scrolled .logo img {
    height: 50px;
    max-width: 250px;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: #006B7D;
}

.lang-toggle {
    background: #006B7D;
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    cursor: pointer;
    font-weight: 600;
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
    z-index: 1001;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: #006B7D;
    border-radius: 3px;
    transition: all 0.3s ease;
}

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

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

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, rgba(0,107,125,0.95), rgba(26,46,59,0.95)),
                url('../images/construction-hero.jpg');
    background-size: cover;
    background-position: center;
    color: white;
    padding: 8rem 2rem;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-primary {
    background: #FF8C42;
    color: white;
    padding: 1rem 2.5rem;
    border: none;
    border-radius: 5px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: transform 0.3s, box-shadow 0.3s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(255,140,66,0.4);
}

.btn-secondary {
    background: transparent;
    color: white;
    padding: 1rem 2.5rem;
    border: 2px solid white;
    border-radius: 5px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.3s;
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.1);
}

/* Stats Section */
.stats {
    background: #1A2E3B;
    color: white;
    padding: 3rem 2rem;
}

.stats-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    text-align: center;
}

.stat-item h3 {
    font-size: 3rem;
    color: #FF8C42;
    margin-bottom: 0.5rem;
}

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

/* Quote Section */
.quote-section {
    background: linear-gradient(135deg, #006B7D, #1A2E3B);
    color: white;
    padding: 4rem 2rem;
}

.quote-container {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.quote-icon {
    font-size: 4rem;
    color: #FF8C42;
    margin-bottom: 1rem;
    opacity: 0.3;
}

.quote-text {
    font-size: 1.5rem;
    font-style: italic;
    line-height: 1.8;
    margin-bottom: 2rem;
}

.quote-author {
    font-size: 1.1rem;
    font-weight: 600;
    color: #FF8C42;
}

.quote-title {
    font-size: 0.95rem;
    opacity: 0.8;
    margin-top: 0.5rem;
}

/* Services Section */
.services {
    padding: 5rem 2rem;
    background: #f8f9fa;
}

.services h2 {
    text-align: center;
    font-size: 2.5rem;
    color: #1A2E3B;
    margin-bottom: 3rem;
}

.services-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.service-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,107,125,0.2);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: #006B7D;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    margin-bottom: 1.5rem;
}

.service-card h3 {
    color: #1A2E3B;
    font-size: 1.4rem;
    margin-bottom: 1rem;
}

.service-card p {
    color: #666;
    line-height: 1.7;
}

/* Experience Section */
.experience {
    padding: 4rem 2rem;
    background: white;
}

.experience h2 {
    text-align: center;
    font-size: 2.5rem;
    color: #1A2E3B;
    margin-bottom: 3rem;
}

.experience-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.experience-card {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 10px;
    border-left: 4px solid #FF8C42;
}

.experience-card h3 {
    color: #1A2E3B;
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.experience-card p {
    color: #666;
    line-height: 1.7;
}

.organization-badge {
    display: inline-block;
    background: #006B7D;
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-top: 0.5rem;
}

/* Partners Section */
.partners {
    padding: 4rem 2rem;
    background: white;
}

.partners h2 {
    text-align: center;
    font-size: 2rem;
    color: #1A2E3B;
    margin-bottom: 3rem;
}

.partners-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 3rem;
    align-items: center;
    justify-items: center;
}

.partner-logo {
    width: 150px;
    height: 80px;
    object-fit: contain;
    filter: grayscale(100%);
    opacity: 0.6;
    transition: all 0.3s;
}

.partner-logo:hover {
    filter: grayscale(0%);
    opacity: 1;
}

/* Footer */
footer {
    background: #1A2E3B;
    color: white;
    padding: 3rem 2rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
}

.footer-section h3 {
    color: #FF8C42;
    margin-bottom: 1rem;
}

.footer-section p, .footer-section a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    display: block;
    margin-bottom: 0.5rem;
}

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

/* Page Header */
.page-header {
    background: linear-gradient(135deg, #006B7D, #1A2E3B);
    color: white;
    padding: 5rem 2rem 3rem;
    text-align: center;
}

.page-header-content h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.page-header-content p {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Company Overview Section */
.company-overview {
    padding: 5rem 2rem;
    background: white;
}

.overview-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.overview-text h2 {
    font-size: 2.5rem;
    color: #1A2E3B;
    margin-bottom: 1.5rem;
}

.lead {
    font-size: 1.2rem;
    color: #006B7D;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.overview-text p {
    color: #666;
    line-height: 1.8;
    margin-bottom: 1rem;
}

.key-highlights {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

.highlight-item {
    text-align: center;
    padding: 1.5rem;
    background: #f8f9fa;
    border-radius: 10px;
}

.highlight-item h3 {
    font-size: 2.5rem;
    color: #FF8C42;
    margin-bottom: 0.5rem;
}

.highlight-item p {
    color: #666;
    font-size: 0.95rem;
}

.overview-image img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

/* Founder Section */
.founder-section {
    padding: 5rem 2rem;
    background: #f8f9fa;
}

.founder-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.founder-quote {
    background: linear-gradient(135deg, #006B7D, #1A2E3B);
    color: white;
    padding: 3rem;
    border-radius: 10px;
}

.founder-info h2 {
    font-size: 2rem;
    color: #1A2E3B;
    margin-bottom: 1.5rem;
}

.founder-info p {
    color: #666;
    line-height: 1.8;
    margin-bottom: 1rem;
}

.expertise-list {
    list-style: none;
    margin-top: 2rem;
}

.expertise-list li {
    padding: 0.8rem 0;
    padding-left: 2rem;
    position: relative;
    color: #666;
}

.expertise-list li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #FF8C42;
    font-weight: bold;
    font-size: 1.2rem;
}

/* Memberships Section */
.memberships {
    padding: 5rem 2rem;
    background: white;
}

.memberships h2 {
    text-align: center;
    font-size: 2.5rem;
    color: #1A2E3B;
    margin-bottom: 3rem;
}

.membership-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.membership-card {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s;
}

.membership-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,107,125,0.15);
}

.membership-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.membership-card h3 {
    color: #1A2E3B;
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.membership-card p {
    color: #666;
    margin-bottom: 1rem;
}

.external-link {
    color: #006B7D;
    text-decoration: none;
    font-size: 0.9rem;
}

.external-link:hover {
    text-decoration: underline;
}

/* Collaborations Section */
.collaborations {
    padding: 5rem 2rem;
    background: #f8f9fa;
}

.collaborations h2 {
    text-align: center;
    font-size: 2.5rem;
    color: #1A2E3B;
    margin-bottom: 3rem;
}

.collaboration-category {
    margin-bottom: 4rem;
}

.collaboration-category h3 {
    font-size: 1.8rem;
    color: #006B7D;
    margin-bottom: 2rem;
    padding-bottom: 0.5rem;
    border-bottom: 3px solid #FF8C42;
}

.collaboration-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.collaboration-item {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    border-left: 4px solid #006B7D;
}

.collaboration-item h4 {
    color: #1A2E3B;
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.collaboration-item p {
    color: #666;
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
}

.collaboration-item a {
    color: #006B7D;
    text-decoration: none;
    font-size: 0.9rem;
}

.collaboration-item a:hover {
    text-decoration: underline;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, #006B7D, #1A2E3B);
    color: white;
    padding: 5rem 2rem;
    text-align: center;
}

.cta-section h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-section p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

/* Projects Page */
.project-stats {
    padding: 4rem 2rem;
    background: white;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.stat-box {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    border-top: 4px solid #FF8C42;
}

.stat-box h3 {
    font-size: 3rem;
    color: #006B7D;
    margin-bottom: 0.5rem;
}

.stat-box p {
    color: #666;
    font-size: 1.1rem;
}

/* Project Categories */
.project-categories {
    padding: 3rem 2rem;
    background: #f8f9fa;
}

.project-categories h2 {
    text-align: center;
    font-size: 2rem;
    color: #1A2E3B;
    margin-bottom: 2rem;
}

.category-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.filter-btn {
    background: white;
    color: #1A2E3B;
    border: 2px solid #006B7D;
    padding: 0.8rem 1.5rem;
    border-radius: 25px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s;
}

.filter-btn:hover,
.filter-btn.active {
    background: #006B7D;
    color: white;
}

/* Projects Grid */
.projects-section {
    padding: 4rem 2rem;
    background: white;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.project-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,107,125,0.2);
}

.project-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: #FF8C42;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.project-content {
    padding: 2rem;
}

.project-content h3 {
    color: #1A2E3B;
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
}

.project-meta {
    color: #006B7D;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.project-content p {
    color: #666;
    line-height: 1.7;
    margin-bottom: 1rem;
}

.project-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.tag {
    background: #f8f9fa;
    color: #006B7D;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.85rem;
}

/* Project Process */
.project-process {
    padding: 5rem 2rem;
    background: #f8f9fa;
}

.project-process h2 {
    text-align: center;
    font-size: 2.5rem;
    color: #1A2E3B;
    margin-bottom: 3rem;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.process-step {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
}

.step-number {
    width: 60px;
    height: 60px;
    background: #006B7D;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0 auto 1.5rem;
}

.process-step h3 {
    color: #1A2E3B;
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.process-step p {
    color: #666;
    line-height: 1.7;
}

/* Contact Page */
.contact-section {
    padding: 5rem 2rem;
    background: white;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
}

.contact-info h2 {
    font-size: 2rem;
    color: #1A2E3B;
    margin-bottom: 1rem;
}

.contact-info > p {
    color: #666;
    line-height: 1.7;
    margin-bottom: 2rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    gap: 1.5rem;
}

.contact-icon {
    font-size: 2rem;
    width: 50px;
    height: 50px;
    background: #f8f9fa;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-text h3 {
    color: #1A2E3B;
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.contact-text p {
    color: #666;
    margin-bottom: 0.3rem;
}

.contact-text a {
    color: #006B7D;
    text-decoration: none;
}

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

/* Contact Form */
.contact-form-wrapper h2 {
    font-size: 2rem;
    color: #1A2E3B;
    margin-bottom: 2rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

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

.form-group label {
    color: #1A2E3B;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.8rem;
    border: 2px solid #e0e0e0;
    border-radius: 5px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #006B7D;
}

.form-message {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 5px;
    display: none;
}

.success-message {
    background: #d4edda;
    color: #155724;
    padding: 1rem;
    border-radius: 5px;
}

/* Map Section */
.map-section {
    padding: 5rem 2rem;
    background: #f8f9fa;
}

.map-section h2 {
    text-align: center;
    font-size: 2.5rem;
    color: #1A2E3B;
    margin-bottom: 2rem;
}

.map-wrapper {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

/* Quick Contact / FAQ */
.quick-contact {
    padding: 5rem 2rem;
    background: white;
}

.quick-contact h2 {
    text-align: center;
    font-size: 2.5rem;
    color: #1A2E3B;
    margin-bottom: 3rem;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.faq-item {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 10px;
    border-left: 4px solid #FF8C42;
}

.faq-item h3 {
    color: #1A2E3B;
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.faq-item p {
    color: #666;
    line-height: 1.7;
}

/* Responsive */
@media (max-width: 768px) {
    body {
        padding-top: 92px;
    }

    /* Logo mobile adjustments */
    .logo img {
        height: 60px;
        max-width: 280px;
    }

    header.scrolled .logo img {
        height: 40px;
        max-width: 200px;
    }

    nav {
        padding: 0.8rem 1rem;
        position: relative;
    }

    header.scrolled nav {
        padding: 0.4rem 1rem;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1.1rem;
    }

    /* Hamburger menu visible on mobile */
    .hamburger {
        display: flex;
    }

    /* Mobile navigation */
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        height: 100vh;
        background: white;
        flex-direction: column;
        padding: 5rem 2rem 2rem;
        gap: 2rem;
        box-shadow: -2px 0 10px rgba(0,0,0,0.1);
        transition: right 0.3s ease;
        z-index: 999;
    }

    .nav-links.active {
        right: 0;
    }

    .nav-links li {
        width: 100%;
    }

    .nav-links a {
        display: block;
        padding: 0.8rem 0;
        font-size: 1.1rem;
    }

    .lang-toggle {
        width: 100%;
        padding: 0.8rem;
    }

    .stat-item h3 {
        font-size: 2rem;
    }

    .quote-text {
        font-size: 1.2rem;
    }

    .overview-content,
    .founder-content,
    .contact-wrapper {
        grid-template-columns: 1fr;
    }

    .key-highlights {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }

    .page-header-content h1 {
        font-size: 2rem;
    }
}