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

:root {
    --bg-primary: #ffffff;
    --bg-secondary: #fafafa;
    --text-primary: #1a1a1a;
    --text-secondary: #666666;
    --accent: #5a7a8f;
    --border: #e5e5e5;
    --hover: #f5f5f5;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    line-height: 1.6;
    overflow-x: hidden;
    margin: 0;
    padding: 0;
}

.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.25rem 3rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo span {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 3rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-link:hover {
    color: var(--text-primary);
}

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

.hamburger span {
    width: 26px;
    height: 2px;
    background-color: var(--text-primary);
    transition: 0.3s;
}

.section {
    padding: 5rem 3rem;
}

.hero-section,
.services-section {
    max-width: 1400px;
    margin: 0 auto;
}

.container {
    width: 100%;
}

.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 6rem;
}

.hero-logo {
    margin-bottom: 3rem;
    display: inline-block;
    margin-top: 1rem;
}

.hero-logo img {
    width: 320px;
    height: auto;
    display: block;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: -0.03em;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.4rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    font-weight: 400;
}

.hero-content {
    max-width: 800px;
}

.hero-content p {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

.section-title {
    font-size: 2.75rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 4rem;
    font-weight: 400;
}

.projects-section {
    background-color: var(--bg-secondary);
    padding: 6rem 0;
    width: 100%;
}

.projects-section .container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 3rem;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 3rem;
}

.project-card {
    background-color: var(--bg-primary);
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
    border: 1px solid var(--border);
}

.project-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
}

.project-image {
    width: 100%;
    height: 0;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    background-color: #e8e8e8;
    overflow: hidden;
    position: relative;
}

.project-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-info {
    padding: 2rem;
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.75rem;
    gap: 1rem;
}

.project-title {
    font-size: 1.4rem;
    font-weight: 600;
    line-height: 1.3;
}

.project-year {
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    flex-shrink: 0;
}

.project-director {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 0.75rem;
}

.project-meta {
    display: flex;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1.25rem;
}

.project-description {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.7;
}

.services-section {
    padding: 6rem 3rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

.service-item {
    padding: 2.5rem;
    background-color: var(--bg-secondary);
    border-radius: 12px;
    border: 1px solid var(--border);
    transition: all 0.3s;
}

.service-item:hover {
    background-color: var(--hover);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

.service-item h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
    font-weight: 600;
}

.service-item p {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.7;
}

.contact-section {
    background-color: var(--bg-secondary);
    padding: 6rem 0;
    width: 100%;
}

.contact-section .container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 3rem;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: start;
}

.contact-left {
    position: sticky;
    top: 100px;
}

.contact-left .section-title {
    margin-bottom: 1.5rem;
}

.contact-description {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 3rem;
}

.contact-cta {
    background: linear-gradient(135deg, var(--accent) 0%, #4a6a7f 100%);
    padding: 2.5rem;
    border-radius: 12px;
    color: white;
}

.contact-cta h3 {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    color: white;
}

.primary-contact-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    background-color: white;
    color: var(--text-primary);
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    transition: transform 0.2s, box-shadow 0.2s;
}

.primary-contact-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.primary-contact-btn svg {
    flex-shrink: 0;
}

.contact-right {
    background-color: var(--bg-primary);
    padding: 2.5rem;
    border-radius: 12px;
    border: 1px solid var(--border);
}

.contact-channels-title {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    font-weight: 600;
    color: var(--text-primary);
}

.contact-links {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--border);
    transition: all 0.2s;
    text-decoration: none;
    color: inherit;
}

.contact-item:last-child {
    border-bottom: none;
}

.contact-item:hover {
    padding-left: 0.5rem;
}

.contact-item:hover .contact-icon {
    background-color: var(--accent);
    color: white;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background-color: var(--bg-secondary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.3s;
}

.contact-icon svg {
    color: var(--accent);
    transition: color 0.3s;
}

.contact-item:hover .contact-icon svg {
    color: white;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    flex: 1;
}

.contact-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.contact-value {
    font-size: 1.05rem;
    color: var(--text-primary);
    font-weight: 600;
}

.footer {
    background-color: var(--text-primary);
    color: rgba(255, 255, 255, 0.6);
    padding: 2.5rem 3rem;
    text-align: center;
}

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

@media (max-width: 1024px) {
    .nav-container {
        padding: 1.25rem 2rem;
    }

    .section {
        padding: 4rem 2rem;
    }

    .projects-section,
    .contact-section {
        padding: 4rem 0;
    }

    .projects-section .container,
    .contact-section .container {
        padding: 0 2rem;
    }

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

    .contact-grid {
        gap: 4rem;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: rgba(255, 255, 255, 0.98);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
        gap: 0;
    }

    .nav-menu li {
        padding: 1rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }

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

    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }

    .hero-title {
        font-size: 2.25rem;
    }

    .hero-logo img {
        width: 240px;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .section-title {
        font-size: 2.25rem;
    }

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

    .services-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .contact-left {
        position: static;
    }

    .contact-cta {
        padding: 2rem;
    }

    .contact-right {
        padding: 2rem;
    }

    .section {
        padding: 3rem 1.5rem;
    }

    .projects-section,
    .contact-section {
        padding: 4rem 0;
    }

    .projects-section .container,
    .contact-section .container {
        padding: 0 1.5rem;
    }

    .projects-section,
    .services-section,
    .contact-section {
        padding-top: 4rem;
        padding-bottom: 4rem;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 1rem 1.5rem;
    }

    .hero-title {
        font-size: 1.85rem;
    }

    .hero-logo img {
        width: 200px;
    }

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

    .section-title {
        font-size: 1.85rem;
    }

    .project-title {
        font-size: 1.2rem;
    }

    .service-item h3 {
        font-size: 1.3rem;
    }

    .contact-cta {
        padding: 1.5rem;
    }

    .contact-right {
        padding: 1.5rem;
    }

    .contact-description {
        font-size: 1rem;
    }

    .primary-contact-btn {
        padding: 0.875rem 1.5rem;
        font-size: 0.95rem;
    }
}