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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: #ffffff;
    color: #000000;
    overflow-x: hidden;
    line-height: 1.6;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    background-color: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid #e5e5e5;
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-size: 1.5rem;
    font-weight: 400;
    letter-spacing: -0.02em;
}

.nav-links {
    display: none;
    gap: 2rem;
}

.nav-links a {
    color: #666666;
    text-decoration: none;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: #000000;
}

@media (min-width: 768px) {
    .nav-links {
        display: flex;
    }
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    position: relative;
    padding-top: 80px;
}

.hero-content {
    text-align: center;
    max-width: 1024px;
}

.hero h1 {
    font-size: 3.75rem;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
    line-height: 1.1;
}

.hero p {
    font-size: 1.25rem;
    color: #666666;
    margin-bottom: 3rem;
}

@media (min-width: 768px) {
    .hero h1 {
        font-size: 6rem;
    }
    
    .hero p {
        font-size: 1.5rem;
    }
}

.btn-primary {
    padding: 1rem 2rem;
    background-color: #000000;
    color: #ffffff;
    border: none;
    border-radius: 9999px;
    font-size: 1rem;
    cursor: pointer;
    transition: transform 0.2s;
}

.btn-primary:hover {
    transform: scale(1.05);
}

.btn-primary:active {
    transform: scale(0.95);
}

.scroll-indicator {
    position: absolute;
    bottom: 3rem;
    color: #999999;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* Product Sections */
.product-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 5rem 1.5rem;
}

.product-container {
    max-width: 1280px;
    width: 100%;
    display: grid;
    gap: 3rem;
    align-items: center;
}

@media (min-width: 768px) {
    .product-container {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .product-container.reverse .product-text {
        order: 2;
    }
    
    .product-container.reverse .product-image {
        order: 1;
    }
}

.product-text h2 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

@media (min-width: 768px) {
    .product-text h2 {
        font-size: 3.75rem;
    }
}

.product-text p {
    font-size: 1.25rem;
    color: #666666;
    line-height: 1.75;
}

.product-image img {
    width: 100%;
    height: auto;
    border-radius: 1.5rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

/* Features Section */
.features-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 5rem 1.5rem;
}

.features-container {
    max-width: 1280px;
    width: 100%;
}

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

.features-header h2 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

@media (min-width: 768px) {
    .features-header h2 {
        font-size: 3.75rem;
    }
}

.features-header p {
    font-size: 1.25rem;
    color: #666666;
}

.features-grid {
    display: grid;
    gap: 2rem;
}

@media (min-width: 768px) {
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.feature-card {
    padding: 2rem;
    border-radius: 1rem;
    background-color: #f9fafb;
    transition: background-color 0.3s;
}

.feature-card:hover {
    background-color: #f3f4f6;
}

.feature-icon {
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

.feature-card p {
    color: #666666;
}

/* CTA Section */
.cta-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    background-color: #000000;
    color: #ffffff;
}

.cta-content {
    text-align: center;
    max-width: 1024px;
}

.cta-content h2 {
    font-size: 3rem;
    margin-bottom: 2rem;
    letter-spacing: -0.02em;
}

@media (min-width: 768px) {
    .cta-content h2 {
        font-size: 4.5rem;
    }
}

.cta-content p {
    font-size: 1.25rem;
    color: #999999;
    margin-bottom: 3rem;
}

@media (min-width: 768px) {
    .cta-content p {
        font-size: 1.5rem;
    }
}

.btn-secondary {
    padding: 1rem 2.5rem;
    background-color: #ffffff;
    color: #000000;
    border: none;
    border-radius: 9999px;
    font-size: 1.125rem;
    cursor: pointer;
    transition: transform 0.2s;
}

.btn-secondary:hover {
    transform: scale(1.05);
}

.btn-secondary:active {
    transform: scale(0.95);
}

/* Footer */
.footer {
    background-color: #000000;
    color: #ffffff;
    padding: 3rem 1.5rem;
}

.footer-content {
    max-width: 1280px;
    margin: 0 auto;
    text-align: center;
    color: #999999;
}

/* Animations */
.fade-in {
    animation: fadeIn 1s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.slide-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity 1s cubic-bezier(0.16, 1, 0.3, 1), transform 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.slide-right {
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 1s cubic-bezier(0.16, 1, 0.3, 1), transform 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.slide-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.scale-in {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 1s cubic-bezier(0.16, 1, 0.3, 1), transform 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.visible {
    opacity: 1 !important;
    transform: translateX(0) translateY(0) scale(1) !important;
}