/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Monochromatic grays with hint of blue */
    --color-bg: #FAFAFA;
    --color-surface: #FFFFFF;
    --color-text-primary: #1A1A1A;
    --color-text-secondary: #4A4A4A;
    --color-text-tertiary: #6B6B6B;
    --color-border: #E0E0E0;
    --color-accent: #3B4A5C; /* Dark blue-gray */
    --color-accent-light: #4A5A6D;
    --color-accent-hover: #2A3A4C;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

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

/* Hero Section */
.hero {
    background: #FAFAFA;
    color: var(--color-text-primary);
    padding: 40px 0 32px;
    border-bottom: 1px solid var(--color-border);
}

.hero .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
}

.logo {
    display: flex;
    align-items: center;
}

.logo-image {
    max-width: 220px;
    width: 100%;
    height: auto;
    object-fit: contain;
}

.logo h1 {
    font-size: 32px;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.tagline {
    font-size: 18px;
    font-weight: 400;
    color: var(--color-text-secondary);
    letter-spacing: 0;
    max-width: 480px;
    line-height: 1.6;
}

.hero-nav {
    display: flex;
    align-items: center;
    gap: 24px;
    font-size: 14px;
    font-weight: 500;
    white-space: nowrap;
}

.hero-nav-link {
    color: var(--color-text-secondary);
    text-decoration: none;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    position: relative;
    padding-bottom: 4px;
}

.hero-nav-link::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: width 0.2s ease;
}

.hero-nav-link:hover::after {
    width: 100%;
}

/* About Section */
.about {
    padding: 80px 0;
    background-color: var(--color-surface);
}

.about h2 {
    font-size: 36px;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 24px;
    text-align: center;
    letter-spacing: -0.02em;
}

.about-text {
    font-size: 20px;
    line-height: 1.7;
    color: var(--color-text-secondary);
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

/* Featured Product Section */
.featured {
    padding: 80px 0 100px;
    background-color: var(--color-bg);
}

.featured-label {
    display: inline-block;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-accent);
    margin-bottom: 16px;
    padding: 6px 12px;
    background-color: rgba(59, 74, 92, 0.08);
    border-radius: 4px;
}

.featured h2 {
    font-size: 42px;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 48px;
    letter-spacing: -0.02em;
}

.product-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.product-description .lead {
    font-size: 22px;
    line-height: 1.6;
    color: var(--color-text-secondary);
    margin-bottom: 48px;
}

/* Features */
.features {
    display: flex;
    flex-direction: column;
    gap: 32px;
    margin-bottom: 48px;
}

.feature {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.feature-icon {
    font-size: 48px;
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
}

.feature-text h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 6px;
}

.feature-text p {
    font-size: 15px;
    line-height: 1.6;
    color: var(--color-text-secondary);
}

/* CTA Buttons */
.cta-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 14px 32px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.2s ease;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background-color: var(--color-accent);
    color: #FFFFFF;
}

.btn-primary:hover {
    background-color: var(--color-accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(59, 74, 92, 0.2);
}

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

.btn-secondary:hover {
    background-color: var(--color-accent);
    color: #FFFFFF;
    transform: translateY(-1px);
}

/* Product Preview - Carousel */
.product-preview {
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel {
    position: relative;
    width: 100%;
    max-width: 350px;
    height: auto;
}

.carousel-container {
    position: relative;
    width: 100%;
    min-height: 650px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
    pointer-events: none;
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-slide.active {
    opacity: 1;
    pointer-events: auto;
}

.carousel-slide img {
    width: 100%;
    height: auto;
    max-height: 650px;
    object-fit: contain;
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(59, 74, 92, 0.8);
    color: white;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10;
}

.carousel-btn:hover {
    background-color: var(--color-accent);
    transform: translateY(-50%) scale(1.1);
}

.carousel-prev {
    left: 12px;
}

.carousel-next {
    right: 12px;
}

.carousel-btn .material-icons {
    font-size: 24px;
}

.carousel-dots {
    position: absolute;
    bottom: 16px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 10;
}

.carousel-dots .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.carousel-dots .dot.active {
    background-color: white;
    transform: scale(1.3);
}

/* Footer */
footer {
    background-color: var(--color-text-primary);
    color: rgba(255, 255, 255, 0.7);
    padding: 40px 0;
    text-align: center;
}

footer p {
    font-size: 14px;
}

/* Responsive Design */
@media (max-width: 968px) {
    .product-content {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .product-preview {
        order: -1;
    }
    
    .preview-placeholder {
        max-width: 400px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .hero {
        padding: 64px 0 48px;
    }

    .hero .container {
        flex-direction: column;
        align-items: center;
        gap: 24px;
    }
    
    .logo h1 {
        font-size: 28px;
    }
    
    .hero-nav {
        flex-direction: row;
        justify-content: center;
        align-items: center;
        gap: 16px;
        font-size: 13px;
    }

    .hero-nav-link {
        font-size: 13px;
        letter-spacing: 0.06em;
        padding: 4px 0 2px;
    }
    
    .about h2,
    .featured h2 {
        font-size: 32px;
    }
    
    .about-text {
        font-size: 18px;
    }
    
    .product-description .lead {
        font-size: 20px;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .hero .container {
        align-items: center;
        gap: 18px;
    }
    
    .logo-image {
        max-width: 170px;
    }

    .hero-nav {
        gap: 12px;
        font-size: 12px;
    }
    
    .about,
    .featured {
        padding: 60px 0;
    }
}