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

:root {
    --primary-dark: #1a1a1a;
    --primary-light: #f5f5f5;
    --accent-gold: #d4af37;
    --text-dark: #2c2c2c;
    --text-light: #666;
    --border-color: rgba(255, 255, 255, 0.2);
}

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

/* Back to Portfolio Banner */
.back-banner {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.95);
    z-index: 2000;
    border-bottom: 2px solid var(--accent-gold);
}

.back-link {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 0.75rem 1.5rem;
    color: white;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    letter-spacing: 1px;
    transition: all 0.3s ease;
}

.back-link:hover {
    color: var(--accent-gold);
    background: rgba(212, 175, 55, 0.1);
}

.back-link svg {
    flex-shrink: 0;
}

/* Demo Watermark */
.demo-watermark {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(-45deg);
    font-size: 12rem;
    font-weight: 900;
    color: rgba(212, 175, 55, 0.03);
    z-index: 1;
    pointer-events: none;
    letter-spacing: 3rem;
}

.demo-label {
    display: inline-block;
    color: #d4af37;
    font-weight: 700;
    font-size: 0.85rem;
    letter-spacing: 2px;
    margin-bottom: 1rem;
}

.demo-notice {
    position: absolute;
    top: 120px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.9);
    color: #d4af37;
    padding: 0.75rem 1.5rem;
    border-radius: 30px;
    font-weight: 700;
    font-size: 0.75rem;
    letter-spacing: 1px;
    border: 2px solid #d4af37;
    z-index: 3;
}

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

/* Navbar */
.navbar {
    position: fixed;
    top: 50px;
    left: 0;
    right: 0;
    z-index: 1000;
    background: transparent;
    transition: all 0.3s ease;
    padding: 1.5rem 0;
}

.navbar.scrolled {
    background: rgba(0, 0, 0, 0.95);
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 2px;
}

.logo svg {
    stroke: var(--accent-gold);
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    align-items: center;
}

.nav-links a {
    color: white;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: color 0.3s ease;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-gold);
    transition: width 0.3s ease;
}

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

.nav-links a:hover {
    color: var(--accent-gold);
}

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

.hamburger span {
    width: 28px;
    height: 3px;
    background: white;
    transition: all 0.3s ease;
}

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

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

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translateY(-8px);
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)),
                url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 800"><rect fill="%231a1a1a" width="1200" height="800"/><rect fill="%23242424" x="200" y="100" width="300" height="400" opacity="0.8"/><rect fill="%232a2a2a" x="700" y="150" width="250" height="500" opacity="0.7"/><rect fill="%23202020" x="100" y="300" width="200" height="350" opacity="0.6"/></svg>');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    text-align: center;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.7));
}

.hero-content {
    position: relative;
    z-index: 2;
    color: white;
}

.hero-subtitle {
    font-size: 0.9rem;
    letter-spacing: 3px;
    color: var(--accent-gold);
    margin-bottom: 1rem;
    font-weight: 500;
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 900;
    letter-spacing: 5px;
    line-height: 1.1;
    margin-bottom: 2rem;
    text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.5);
}

.btn-outline {
    display: inline-block;
    padding: 1rem 2.5rem;
    border: 2px solid white;
    color: white;
    text-decoration: none;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    font-size: 0.85rem;
    transition: all 0.3s ease;
}

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

.hero-stats {
    position: absolute;
    bottom: 50px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 5rem;
    z-index: 2;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--accent-gold);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.75rem;
    letter-spacing: 2px;
    opacity: 0.8;
}

/* Mission Section */
.mission {
    padding: 8rem 0;
    background: var(--primary-light);
}

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

.section-title {
    font-size: 3rem;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 2rem;
    letter-spacing: 2px;
}

.section-title.white {
    color: white;
}

.mission-text {
    color: var(--text-light);
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 2rem;
}

.btn-primary {
    display: inline-block;
    padding: 1rem 3rem;
    background: var(--primary-dark);
    color: white;
    text-decoration: none;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    font-size: 0.85rem;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background: var(--accent-gold);
    color: var(--primary-dark);
}

.mission-image {
    position: relative;
}

.image-placeholder {
    position: relative;
    background: #e0e0e0;
    padding-top: 75%;
    border-radius: 8px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mission-photo {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.interior-preview {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    opacity: 0.3;
}

.play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    background: rgba(0, 0, 0, 0.7);
    border: 3px solid white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.play-button:hover {
    background: var(--accent-gold);
    border-color: var(--accent-gold);
    transform: translate(-50%, -50%) scale(1.1);
}

.label {
    position: absolute;
    bottom: 20px;
    right: 20px;
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
    letter-spacing: 2px;
    font-weight: 600;
}

/* Projects Section */
.projects {
    padding: 8rem 0;
    background: white;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-subtitle {
    color: var(--text-light);
    font-size: 1.1rem;
    margin-top: 1rem;
}

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

.project-card {
    background: white;
    border: 1px solid #e0e0e0;
    transition: all 0.3s ease;
    cursor: pointer;
}

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

.project-image {
    position: relative;
    padding-top: 75%;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-photo {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.project-card:hover .project-photo {
    transform: scale(1.1);
}

.view-arrow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.project-card:hover .view-arrow {
    opacity: 1;
}

.view-arrow svg {
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.5));
}

.project-info {
    padding: 1.5rem;
}

.project-info h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.project-info p {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.project-tag {
    display: inline-block;
    padding: 0.3rem 1rem;
    background: var(--primary-dark);
    color: white;
    font-size: 0.7rem;
    letter-spacing: 1px;
    font-weight: 600;
}

/* Services Section */
.services {
    padding: 8rem 0;
    background: var(--primary-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 3rem;
}

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

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--primary-dark);
    border-radius: 50%;
    color: var(--primary-dark);
    transition: all 0.3s ease;
}

.service-item:hover .service-icon {
    background: var(--primary-dark);
    color: white;
}

.service-item h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.service-item p {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* Contact Section */
.contact {
    padding: 8rem 0;
    background: var(--primary-dark);
    color: white;
    text-align: center;
}

.contact-text {
    font-size: 1.2rem;
    margin-bottom: 3rem;
    opacity: 0.9;
}

.contact-info {
    display: flex;
    justify-content: center;
    gap: 4rem;
    flex-wrap: wrap;
}

.contact-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.contact-item .label {
    position: static;
    background: none;
    padding: 0;
    font-size: 0.8rem;
    opacity: 0.7;
    letter-spacing: 1px;
}

.contact-item .value {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--accent-gold);
}

/* Footer */
.footer {
    padding: 2rem 0;
    background: #0a0a0a;
    color: white;
    text-align: center;
}

.footer p {
    opacity: 0.7;
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 968px) {
    .hamburger {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: rgba(0, 0, 0, 0.98);
        flex-direction: column;
        justify-content: center;
        gap: 2rem;
        transition: left 0.3s ease;
    }

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

    .hero-title {
        font-size: 3rem;
    }

    .hero-stats {
        gap: 2rem;
    }

    .stat-number {
        font-size: 2rem;
    }

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

    .section-title {
        font-size: 2.2rem;
    }

    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

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

@media (max-width: 600px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
    }

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

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

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

    .section-title {
        font-size: 1.8rem;
    }
}
