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

:root {
    --bg-dark: #000000;
    --bg-light: #0a0a0a;
    --text-primary: #ffffff;
    --text-secondary: #999999;
    --accent: #ffffff;
    --border-color: #1a1a1a;
}

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

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem 3rem;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: background-color 0.3s ease;
}

.nav.scrolled {
    background-color: rgba(0, 0, 0, 0.95);
}

.nav-logo {
    flex-shrink: 0;
}

.logo-text {
    font-size: 1.2rem;
    font-weight: 600;
    letter-spacing: 0.05em;
}

.nav-menu {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.3s ease;
    position: relative;
}

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

.nav-link.active {
    border-bottom: 1px solid var(--text-primary);
}

.nav-plus {
    font-size: 0.9rem;
    margin-left: 0.3rem;
}

.nav-cta {
    flex-shrink: 0;
}

.cta-button {
    background-color: var(--text-primary);
    color: var(--bg-dark);
    padding: 0.6rem 1.5rem;
    text-decoration: none;
    border-radius: 0;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
    border: 1px solid var(--text-primary);
}

.cta-button:hover {
    background-color: transparent;
    color: var(--text-primary);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 0.3rem;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.menu-toggle span {
    width: 25px;
    height: 2px;
    background-color: var(--text-primary);
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 8rem 3rem 4rem;
    position: relative;
    border-bottom: 1px solid var(--border-color);
    overflow: hidden;
}

.hero-video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translate(-50%, -50%);
    z-index: -2;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: -1;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

.section-label {
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    text-transform: uppercase;
}

.hero-title {
    font-size: 4rem;
    font-weight: 300;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.hero-description {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-secondary);
    max-width: 500px;
}

.scroll-indicator {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
}

.scroll-arrow {
    font-size: 2rem;
    color: var(--text-secondary);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

/* Sections */
.section {
    padding: 8rem 3rem;
    border-bottom: 1px solid var(--border-color);
}

.section-dark {
    background-color: var(--bg-light);
}

.section-header {
    max-width: 1400px;
    margin: 0 auto 4rem;
}

.section-title {
    font-size: 3rem;
    font-weight: 300;
    letter-spacing: -0.02em;
}

/* Content Grid */
.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    max-width: 1400px;
    margin: 0 auto;
}

.content-item {
    padding: 2rem;
    border: 1px solid var(--border-color);
    transition: border-color 0.3s ease;
}

.content-item:hover {
    border-color: var(--text-secondary);
}

.content-item h3 {
    font-size: 1.5rem;
    font-weight: 400;
    margin-bottom: 1rem;
}

.content-item p {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* Products */
.product-list {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 0;
}

.product-item {
    padding: 3rem 0;
    border-bottom: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

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

.product-item:hover {
    padding-left: 1rem;
}

.product-name {
    font-size: 2rem;
    font-weight: 300;
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
}

.product-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 700px;
}

/* About */
.about-content {
    max-width: 1400px;
    margin: 0 auto;
}

.about-text {
    font-size: 1.3rem;
    line-height: 1.8;
    color: var(--text-secondary);
    max-width: 900px;
}

/* Contact */
.contact-content {
    max-width: 1400px;
    margin: 0 auto;
}

.contact-text {
    font-size: 1.3rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 4rem;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
}

.contact-item {
    padding: 1.5rem;
    border: 1px solid transparent;
    transition: all 0.3s ease;
    border-radius: 4px;
}

.contact-item:hover {
    border-color: var(--border-color);
    background-color: rgba(255, 255, 255, 0.02);
}

.contact-item h3 {
    font-size: 1.2rem;
    font-weight: 400;
    margin-bottom: 1rem;
    color: var(--text-primary);
    letter-spacing: 0.05em;
}

.contact-item p {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

.contact-link {
    font-size: 1.1rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.linkedin-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.linkedin-icon {
    width: 20px;
    height: 20px;
    transition: transform 0.3s ease;
}

.linkedin-link:hover .linkedin-icon {
    transform: scale(1.1);
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .section-title {
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {
    .nav {
        padding: 1.5rem 2rem;
    }
    
    .nav-menu {
        display: none;
    }
    
    .nav-cta {
        display: none;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .hero {
        padding: 6rem 2rem 4rem;
    }
    
    .hero-video {
        min-width: auto;
        min-height: auto;
        width: 100%;
        height: 100%;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section {
        padding: 5rem 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .product-name {
        font-size: 1.5rem;
    }
    
    .content-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-info {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .contact-text {
        font-size: 1.1rem;
        margin-bottom: 3rem;
    }
}