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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: #333;
}

header {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: #2c3e50;
}

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

.nav-links a {
    text-decoration: none;
    color: #555;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: #3498db;
}

.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
    padding: 8rem 2rem;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="2" fill="white" opacity="0.1"/></svg>');
    animation: float 20s linear infinite;
}

@keyframes float {
    from { transform: translateY(0); }
    to { transform: translateY(-100px); }
}

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

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    animation: fadeInUp 1s ease;
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease 0.2s both;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: white;
    color: #667eea;
    text-decoration: none;
    border-radius: 50px;
    font-weight: bold;
    transition: transform 0.3s;
    animation: fadeInUp 1s ease 0.4s both;
}

.cta-button:hover {
    transform: scale(1.05);
}

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

.products {
    max-width: 1200px;
    margin: 4rem auto;
    padding: 0 2rem;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 4rem auto;
    padding: 0 2rem;
}

.feature {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s;
}

.feature:hover {
    transform: translateY(-10px);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: #667eea;
}

.products h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.product-card {
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.product-card:hover {
    transform: translateY(-5px);
}

.product-image {
    height: 250px;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.product-card h3 {
    padding: 1rem;
    font-size: 1.3rem;
}

.price {
    padding: 0 1rem;
    font-size: 1.5rem;
    color: #3498db;
    font-weight: bold;
}

.description {
    padding: 0 1rem 1.5rem;
    color: #666;
}

.about {
    background: #f8f9fa;
    padding: 4rem 2rem;
    text-align: center;
}

.about h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.about-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 3rem auto 0;
}

.about-item {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

.about-item h3 {
    color: #667eea;
    margin-bottom: 1rem;
}

.testimonials {
    max-width: 1200px;
    margin: 4rem auto;
    padding: 0 2rem;
    text-align: center;
}

.testimonials h2 {
    font-size: 2rem;
    margin-bottom: 3rem;
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.testimonial {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.testimonial p {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    font-style: italic;
}

.testimonial span {
    font-weight: bold;
}

.contact {
    max-width: 600px;
    margin: 4rem auto;
    padding: 0 2rem;
}

.contact h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 2rem;
}

form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

input, textarea {
    padding: 1rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
}

button {
    padding: 1rem;
    background: #3498db;
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    cursor: pointer;
    transition: background 0.3s;
}

button:hover {
    background: #2980b9;
}

#formMessage {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 5px;
    text-align: center;
}

#formMessage.success {
    background: #d4edda;
    color: #155724;
}

#formMessage.error {
    background: #f8d7da;
    color: #721c24;
}

footer {
    background: #2c3e50;
    color: white;
    text-align: center;
    padding: 2rem;
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }

    .nav-links {
        gap: 1rem;
    }
}