:root {
    --primary: #FFCF00;
    --black: #000000;
    --white: #FFFFFF;
    --gray-900: #111111;
    --gray-800: #1a1a1a;
    --gray-700: #2a2a2a;
    --gray-600: #3a3a3a;
    --gray-400: #666666;
    --gray-300: #999999;
    --gray-100: #eeeeee;
    
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --max-width: 1200px;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background-color: var(--primary);
    color: var(--black);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.noise {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    opacity: 0.03;
    z-index: 1;
    background-image: 
        repeating-linear-gradient(45deg, transparent, transparent 35px, rgba(0,0,0,.05) 35px, rgba(0,0,0,.05) 70px);
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navigation */
.nav-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: var(--primary);
    backdrop-filter: blur(10px);
    border-bottom: 2px solid var(--black);
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 900;
    letter-spacing: -0.02em;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: var(--black);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    transition: var(--transition);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--black);
    transition: width 0.3s ease;
}

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6rem 2rem 4rem;
    position: relative;
    z-index: 2;
}

.hero-content {
    text-align: center;
    max-width: 900px;
}

.hero-title {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 900;
    line-height: 0.9;
    letter-spacing: -0.03em;
    margin-bottom: 2rem;
}

.title-line {
    display: block;
    animation: slideInUp 0.8s ease-out forwards;
    opacity: 0;
}

.title-line:nth-child(1) { animation-delay: 0.1s; }
.title-line:nth-child(2) { animation-delay: 0.2s; }
.title-line:nth-child(3) { animation-delay: 0.3s; }

.title-line.highlight {
    position: relative;
    display: inline-block;
    margin-bottom: 3rem;
    margin-top: 1rem;
}

.title-line.highlight::after {
    content: '';
    position: absolute;
    bottom: -0.3em;
    left: -0.1em;
    right: -0.1em;
    height: 0.3em;
    background: var(--black);
    z-index: -1;
    transform: scaleX(0);
    transform-origin: left;
    animation: expandWidth 0.6s ease-out 0.5s forwards;
}

.hero-subtitle {
    font-size: clamp(1.2rem, 3vw, 1.5rem);
    font-weight: 500;
    opacity: 0;
    animation: fadeIn 0.8s ease-out 0.6s forwards;
    color: var(--gray-600);
}

/* Products Section */
.products-section {
    padding: 6rem 0;
    position: relative;
    z-index: 2;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 900;
    margin-bottom: 4rem;
    letter-spacing: -0.02em;
}

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

.product-card {
    background: var(--black);
    color: var(--primary);
    padding: 3rem;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
    border: 2px solid var(--black);
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.product-card:hover::before {
    transform: scaleX(1);
}

.product-number {
    font-size: 4rem;
    font-weight: 900;
    opacity: 0.1;
    position: absolute;
    top: 1rem;
    right: 1rem;
    line-height: 1;
}

.product-content {
    position: relative;
    z-index: 1;
}

.product-title {
    font-size: 2rem;
    font-weight: 900;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.product-description {
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    color: var(--gray-300);
}

.product-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.tag {
    background: var(--gray-800);
    color: var(--primary);
    padding: 0.25rem 0.75rem;
    font-size: 0.85rem;
    font-weight: 500;
    border: 1px solid var(--gray-700);
}

.product-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.product-link:hover {
    gap: 1rem;
}

.product-link svg {
    transition: var(--transition);
}

.product-link:hover svg {
    transform: translate(2px, -2px);
}

.coming-soon {
    opacity: 0.6;
}

.product-status {
    display: inline-block;
    background: var(--gray-800);
    color: var(--primary);
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border: 1px solid var(--gray-700);
}

/* Philosophy Section */
.philosophy {
    background: var(--black);
    color: var(--primary);
    padding: 6rem 0;
    margin-top: 6rem;
}

.philosophy-content {
    max-width: 1000px;
    margin: 0 auto;
}

.philosophy-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 900;
    margin-bottom: 4rem;
    letter-spacing: -0.02em;
    text-align: center;
}

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

.philosophy-item h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--primary);
}

.philosophy-item p {
    color: var(--gray-300);
    line-height: 1.8;
}

/* Footer */
.footer {
    background: var(--primary);
    color: var(--black);
    padding: 4rem 0 2rem;
    border-top: 2px solid var(--black);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 3rem;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 900;
    margin-bottom: 0.5rem;
}

.footer-tagline {
    color: var(--gray-600);
}

.footer-links {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--black);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

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

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--black);
    color: var(--gray-600);
    font-size: 0.9rem;
}

/* Animations */
@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes expandWidth {
    from {
        transform: scaleX(0);
    }
    to {
        transform: scaleX(1);
    }
}

/* Responsive */
@media (max-width: 768px) {
    .nav-container {
        padding: 1rem 1.5rem;
    }
    
    .hero {
        padding: 4rem 1.5rem 3rem;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .product-card {
        padding: 2rem;
    }
    
    .philosophy-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-content {
        flex-direction: column;
    }
    
    .container {
        padding: 0 1.5rem;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* Focus styles */
a:focus,
button:focus {
    outline: 2px solid var(--black);
    outline-offset: 2px;
}

/* Selection */
::selection {
    background: var(--black);
    color: var(--primary);
}