:root {
    --color-primary: #141414;
    --color-secondary: #FBF7F2;
    --color-accent: #E8DED3;
    --color-text: #141414;
    --color-text-muted: rgba(20, 20, 20, 0.6);
    --color-border: rgba(20, 20, 20, 0.08);
    --color-bg: #FFFFFF;
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 20px;
    padding-bottom: 20px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    font-size: 18px;
}

.brand-logo {
    width: 32px;
    height: 32px;
    object-fit: contain;
    border-radius: 6px;
}

.brand-dot {
    width: 8px;
    height: 8px;
    background: var(--color-primary);
    border-radius: 50%;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    text-decoration: none;
    color: var(--color-text);
    font-weight: 500;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--color-text-muted);
}

.btn-nav {
    padding: 8px 20px;
    background: var(--color-primary);
    color: white !important;
    border-radius: 8px;
}

.btn-nav:hover {
    opacity: 0.9;
    color: white !important;
}

/* Hero */
.hero {
    padding: 160px 0 120px;
    background: linear-gradient(180deg, var(--color-secondary) 0%, var(--color-bg) 100%);
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.hero-title {
    font-size: 56px;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.title-line {
    display: block;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--color-text-muted);
    margin-bottom: 40px;
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    gap: 16px;
}

.btn {
    padding: 14px 28px;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.2s;
    display: inline-block;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(20, 20, 20, 0.2);
}

.btn-secondary {
    background: white;
    color: var(--color-primary);
    border: 2px solid var(--color-border);
}

.btn-secondary:hover {
    border-color: var(--color-primary);
}

.hero-visual {
    position: relative;
    height: 400px;
}

.visual-card {
    position: absolute;
    background: white;
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 4px 24px rgba(20, 20, 20, 0.06);
    transition: transform 0.3s;
}

.visual-card:hover {
    transform: translateY(-4px);
}

.card-1 {
    top: 20px;
    left: 0;
    width: 180px;
}

.card-2 {
    top: 140px;
    right: 60px;
    width: 180px;
}

.card-3 {
    bottom: 20px;
    left: 40px;
    width: 180px;
}

.card-icon {
    font-size: 40px;
    margin-bottom: 12px;
}

.card-label {
    font-weight: 600;
    color: var(--color-text-muted);
}

/* Section */
.section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 20px;
    color: var(--color-text-muted);
}

/* Products */
.products {
    background: var(--color-secondary);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.product-card {
    background: white;
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: 40px;
    transition: all 0.3s;
    position: relative;
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(20, 20, 20, 0.12);
}

.product-card.coming-soon {
    opacity: 0.7;
}

.product-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--color-accent);
    padding: 4px 12px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
}

.product-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.product-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
}

.product-description {
    color: var(--color-text-muted);
    margin-bottom: 24px;
    line-height: 1.6;
}

.product-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 24px;
}

.feature-tag {
    background: var(--color-secondary);
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text-muted);
}

.product-link {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.product-link:hover {
    gap: 8px;
}

/* Features */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

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

.feature-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.feature-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
}

.feature-description {
    color: var(--color-text-muted);
    line-height: 1.6;
}

/* About */
.about {
    background: var(--color-secondary);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-description {
    color: var(--color-text-muted);
    margin-bottom: 20px;
    font-size: 18px;
    line-height: 1.8;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-top: 48px;
}

.stat {
    text-align: center;
}

.stat-value {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 8px;
}

.stat-label {
    color: var(--color-text-muted);
    font-size: 14px;
}

.visual-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.grid-item {
    aspect-ratio: 1;
    background: white;
    border: 1px solid var(--color-border);
    border-radius: 16px;
    transition: all 0.3s;
}

.grid-item.active {
    background: var(--color-primary);
}

.grid-item:hover {
    transform: scale(1.05);
}

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

.footer-content {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 80px;
    margin-bottom: 60px;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer .brand-logo {
    width: 48px;
    height: 48px;
    border-radius: 8px;
}

.footer .brand-dot {
    background: white;
}

.footer .brand-name {
    font-weight: 600;
    font-size: 20px;
}

.footer-tagline {
    color: rgba(255, 255, 255, 0.6);
    margin-top: 8px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-column {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-heading {
    font-weight: 600;
    margin-bottom: 8px;
}

.footer-column a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.2s;
}

.footer-column a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 32px;
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
}

/* Responsive */
@media (max-width: 968px) {
    .hero .container {
        grid-template-columns: 1fr;
        gap: 60px;
    }

    .hero-visual {
        display: none;
    }

    .product-grid,
    .features-grid {
        grid-template-columns: 1fr;
    }

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

    .about-visual {
        display: none;
    }

    .hero-title {
        font-size: 40px;
    }

    .section-title {
        font-size: 36px;
    }

    .nav-links {
        gap: 16px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 640px) {
    .hero-actions {
        flex-direction: column;
    }

    .btn {
        text-align: center;
    }

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