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

:root {
    --primary-color: #000000;
    --secondary-color: #ffffff;
    --text-color: #333333;
    --light-gray: #f5f5f5;
    --medium-gray: #666666;
    --accent-color: #1a1a1a;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 20px 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

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

.logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
}

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

.nav-menu a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    font-size: 14px;
    transition: color 0.3s ease;
}

.nav-menu a:hover {
    color: var(--primary-color);
}

.contact-btn {
    background: var(--primary-color);
    color: var(--secondary-color);
    border: none;
    padding: 12px 30px;
    border-radius: 5px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s ease;
}

.contact-btn:hover {
    background: var(--accent-color);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 3px;
    transition: all 0.3s ease;
}

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

.hero-background {
    position: absolute;
    top: 0;
    right: 0;
    width: 60%;
    height: 100%;
    z-index: -1;
    background: linear-gradient(135deg, #f5f5f5 0%, #e0e0e0 100%);
}

.hero-background img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-content {
    max-width: 600px;
    padding: 60px 0;
}

.hero h1 {
    font-size: 56px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.hero-content > p {
    font-size: 16px;
    color: var(--medium-gray);
    margin-bottom: 30px;
}

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

.feature-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: var(--light-gray);
    border-radius: 8px;
}

.feature-item .icon {
    width: 20px;
    height: 20px;
    color: var(--primary-color);
}

.feature-item span {
    font-size: 14px;
    font-weight: 500;
}

.hero-info {
    position: absolute;
    bottom: 60px;
    right: 60px;
    max-width: 400px;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    padding: 30px;
    border-radius: 10px;
}

.hero-info p {
    font-size: 14px;
    line-height: 1.8;
    color: var(--text-color);
}

/* About Section */
.about {
    padding: 100px 0;
    background: var(--secondary-color);
}

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

.about-text h2 {
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 2px;
    margin-bottom: 20px;
    color: var(--medium-gray);
}

.about-text p {
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 20px;
}

.about-description {
    font-size: 14px !important;
    color: var(--medium-gray);
}

.stats {
    display: flex;
    gap: 40px;
    justify-content: center;
}

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

.stat-item h3 {
    font-size: 64px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.stat-item p {
    font-size: 14px;
    color: var(--medium-gray);
}

/* Services Section */
.services {
    position: relative;
    background: var(--primary-color);
}

.services-hero {
    position: relative;
    min-height: 100vh;
}

.services-hero {
    background: linear-gradient(180deg, #1a1a1a 0%, #000000 100%);
}

.services-hero img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.3;
}

.services-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-bottom: 60px;
}

.service-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    padding: 40px;
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: transform 0.3s ease;
}

.service-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.08);
}

.service-number {
    font-size: 48px;
    font-weight: 700;
    color: var(--secondary-color);
    opacity: 0.3;
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 24px;
    color: var(--secondary-color);
    margin-bottom: 15px;
}

.service-card p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
}

.sustainability-stats {
    display: flex;
    gap: 60px;
    padding: 40px;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border-radius: 15px;
}

.sustainability-item h4 {
    font-size: 48px;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 10px;
}

.sustainability-item p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
}

/* Portfolio Section */
.portfolio {
    padding: 100px 0;
    background: var(--light-gray);
}

.portfolio-intro {
    max-width: 800px;
    margin: 0 auto 60px;
    text-align: center;
}

.portfolio-intro p {
    font-size: 18px;
    line-height: 1.8;
}

.portfolio-grid {
    display: flex;
    flex-direction: column;
    gap: 80px;
}

.portfolio-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    background: var(--secondary-color);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.05);
}

.portfolio-item:nth-child(even) {
    direction: rtl;
}

.portfolio-item:nth-child(even) .portfolio-details {
    direction: ltr;
}

.portfolio-image {
    height: 100%;
    min-height: 500px;
    background: linear-gradient(135deg, #e0e0e0 0%, #c0c0c0 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.portfolio-details {
    padding: 60px 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.portfolio-details h3 {
    font-size: 32px;
    margin-bottom: 20px;
}

.portfolio-details > p {
    font-size: 14px;
    line-height: 1.8;
    color: var(--medium-gray);
    margin-bottom: 25px;
}

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

.project-features li {
    font-size: 14px;
    padding: 8px 0;
    border-bottom: 1px solid var(--light-gray);
}

.project-features li:before {
    content: "✓ ";
    color: var(--primary-color);
    font-weight: 700;
    margin-right: 10px;
}

.project-info {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.info-item {
    display: flex;
    flex-direction: column;
}

.info-label {
    font-size: 12px;
    color: var(--medium-gray);
    margin-bottom: 5px;
}

.info-value {
    font-size: 14px;
    font-weight: 600;
    color: var(--primary-color);
}

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

.testimonials h2 {
    font-size: 36px;
    text-align: center;
    margin-bottom: 60px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

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

.testimonial-card {
    background: var(--light-gray);
    padding: 40px;
    border-radius: 15px;
    transition: transform 0.3s ease;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.testimonial-card p {
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 20px;
}

.testimonial-card .author {
    font-size: 12px;
    color: var(--medium-gray);
    font-style: italic;
}

/* Team Section */
.team {
    padding: 100px 0;
    background: var(--primary-color);
}

.team-intro {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.9);
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
    line-height: 1.8;
}

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

.team-member {
    text-align: center;
}

.member-image {
    width: 100%;
    height: 350px;
    border-radius: 15px;
    overflow: hidden;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #666666 0%, #333333 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.member-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(100%);
    transition: filter 0.3s ease;
}

.team-member:hover .member-image img {
    filter: grayscale(0%);
}

.member-info h4 {
    font-size: 18px;
    color: var(--secondary-color);
    margin-bottom: 5px;
}

.member-info p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
}

/* FAQ Section */
.faq {
    padding: 100px 0;
    background: var(--secondary-color);
}

.faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--light-gray);
    padding: 30px 0;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-size: 18px;
    font-weight: 600;
}

.faq-toggle {
    font-size: 32px;
    font-weight: 300;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 200px;
    padding-top: 20px;
}

.faq-answer p {
    font-size: 14px;
    line-height: 1.8;
    color: var(--medium-gray);
}

/* Footer */
.footer {
    position: relative;
    padding: 80px 0 40px;
    background: var(--primary-color);
}

.footer-image {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0.1;
    background: linear-gradient(45deg, #1a1a1a 25%, transparent 25%, transparent 75%, #1a1a1a 75%, #1a1a1a),
                linear-gradient(45deg, #1a1a1a 25%, transparent 25%, transparent 75%, #1a1a1a 75%, #1a1a1a);
    background-size: 60px 60px;
    background-position: 0 0, 30px 30px;
}

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

.footer-content {
    position: relative;
    z-index: 1;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--secondary-color);
}

.footer-content p {
    font-size: 14px;
}

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

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--secondary-color);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero h1 {
        font-size: 42px;
    }

    .hero-info {
        position: static;
        margin-top: 40px;
        max-width: 100%;
    }

    .about-content {
        grid-template-columns: 1fr;
    }

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

    .portfolio-item {
        grid-template-columns: 1fr;
    }

    .portfolio-item:nth-child(even) {
        direction: ltr;
    }

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

    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .hero {
        min-height: auto;
        padding: 100px 0 60px;
    }

    .hero-background {
        width: 100%;
        height: 300px;
        position: relative;
    }

    .hero h1 {
        font-size: 32px;
    }

    .stats {
        flex-direction: column;
        gap: 30px;
    }

    .sustainability-stats {
        flex-direction: column;
        gap: 30px;
    }

    .project-info {
        grid-template-columns: 1fr;
    }

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

    .footer-content {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
}