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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #2D3748;
    background-color: #F7FAFC;
}

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

/* Typography */
h1 {
    font-size: 3.5rem;
    font-weight: 600;
    line-height: 1.2;
    color: #1A202C;
}

h2 {
    font-size: 2.5rem;
    font-weight: 600;
    line-height: 1.2;
    color: #1A202C;
    margin-bottom: 3rem;
    text-align: center;
}

h3 {
    font-size: 1.5rem;
    font-weight: 500;
    line-height: 1.3;
    color: #2D3748;
    margin-bottom: 1rem;
}

p {
    font-size: 1.1rem;
    color: #4A5568;
    line-height: 1.6;
}

/* Header */
.header {
    background: rgba(247, 250, 252, 0.95);
    backdrop-filter: blur(10px);
    padding: 1.5rem 0;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    border-bottom: 1px solid #E2E8F0;
}

.header-content {
    display: flex;
    justify-content: center;
    align-items: center;
}

.logo-group {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo {
    width: 48px;
    height: 48px;
}

.brand-name {
    font-size: 2rem;
    font-weight: 600;
    color: #2D3748;
    letter-spacing: -0.02em;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.2s ease;
}

.btn-primary {
    background-color: #4299E1;
    color: white;
    border-color: #4299E1;
}

.btn-primary:hover {
    background-color: #3182CE;
    border-color: #3182CE;
}

.btn-secondary {
    background-color: transparent;
    color: #4299E1;
    border-color: #4299E1;
}

.btn-secondary:hover {
    background-color: #4299E1;
    color: white;
}

.btn-outline {
    background-color: transparent;
    color: #2D3748;
    border-color: #E2E8F0;
}

.btn-outline:hover {
    background-color: #4299E1;
    color: white;
    border-color: #4299E1;
}

/* Hero Section */
.hero {
    padding: 8rem 0 6rem;
    background: linear-gradient(135deg, #F7FAFC 0%, #EDF2F7 100%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-text h1 {
    margin-bottom: 1.5rem;
}

.hero-text p {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    color: #4A5568;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Hero Image */
.hero-image {
    display: flex;
    justify-content: center;
}

.hero-photo {
    width: 100%;
    max-width: 500px;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    object-fit: cover;
}

/* Features Section */
.features {
    padding: 6rem 0;
    background: white;
    text-align: center;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 3rem;
}

.feature-card {
    text-align: center;
    padding: 2rem;
    border-radius: 12px;
    background: #F7FAFC;
    border: 1px solid #E2E8F0;
}

.feature-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 1.5rem;
    background: #EBF8FF;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-icon svg {
    width: 32px;
    height: 32px;
}

/* How It Works */
.how-it-works {
    padding: 6rem 0;
    background: #F7FAFC;
}

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

.step {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
}

.step-number {
    width: 48px;
    height: 48px;
    background: #4299E1;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 600;
    flex-shrink: 0;
}

.step-content h3 {
    margin-bottom: 0.5rem;
}

/* Products Section */
.products {
    padding: 6rem 0;
    background: white;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.product-card {
    background: #F7FAFC;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid #E2E8F0;
}

.product-image {
    height: 200px;
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 0;
}

.product-price {
    font-size: 1.25rem;
    font-weight: 600;
    color: #4299E1;
    margin-bottom: 1rem;
}
.product-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #EDF2F7 0%, #E2E8F0 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #4A5568;
    font-weight: 500;
}

.product-info {
    padding: 1.5rem;
}

.product-info h3 {
    margin-bottom: 0.5rem;
}

.product-info p {
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

/* Why Choose Us */
.why-choose {
    padding: 6rem 0;
    background: #F7FAFC;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
}

.benefit {
    text-align: center;
    padding: 2rem 1rem;
}

.benefit h3 {
    margin-bottom: 1rem;
    color: #4299E1;
}

/* Testimonials */
.testimonials {
    padding: 6rem 0;
    background: white;
    text-align: center;
}

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

.testimonial {
    background: #F7FAFC;
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid #E2E8F0;
}

.testimonial p {
    font-style: italic;
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.testimonial-author {
    font-weight: 500;
    color: #4299E1;
}

/* Download Section */
.download {
    padding: 6rem 0;
    background: linear-gradient(135deg, #4299E1 0%, #3182CE 100%);
    text-align: center;
}

.download-content {
    max-width: 600px;
    margin: 0 auto;
}

.download h2 {
    color: white;
    margin-bottom: 1.5rem;
}

.download p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
}

.download .btn-primary {
    background: white;
    color: #4299E1;
    border-color: white;
}

.download .btn-primary:hover {
    background: #F7FAFC;
    color: #3182CE;
}

/* Contacts Section */
.contacts {
    padding: 6rem 0;
    background: #F7FAFC;
}

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

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    background: white;
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid #E2E8F0;
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: #EBF8FF;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon svg {
    width: 24px;
    height: 24px;
}

.contact-details h3 {
    margin-bottom: 0.5rem;
    color: #2D3748;
}

.contact-details p {
    color: #4A5568;
    font-size: 1rem;
}

/* Footer */
.footer {
    background: #1A202C;
    color: white;
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-brand {
    max-width: 350px;
}

.footer-brand .logo-group {
    margin-bottom: 1rem;
}

.footer-brand .brand-name {
    color: white;
}

.footer-brand p {
    color: #A0AEC0;
    margin-top: 1rem;
}

.footer-links {
    display: contents;
}

.footer-column h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: white;
}

.footer-column ul {
    list-style: none;
}

.footer-column li {
    margin-bottom: 0.5rem;
}

.footer-column a {
    color: #A0AEC0;
    text-decoration: none;
}

.footer-column a:hover {
    color: #4299E1;
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid #2D3748;
    text-align: center;
}

.footer-bottom p {
    color: #A0AEC0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }
    
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
        margin-bottom: 2rem;
    }
    
    .header {
        padding: 1rem 0;
    }
    
    .brand-name {
        font-size: 1.5rem;
    }
    
    .hero {
        padding: 6rem 0 4rem;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-photo {
        max-width: 400px;
    }

    .features-grid,
    .products-grid,
    .benefits-grid,
    .testimonials-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .steps {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .footer-brand {
        grid-column: 1 / -1;
        text-align: center;
        margin-bottom: 1rem;
    }
    
    section {
        padding: 4rem 0 !important;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1.1rem;
    }
    
    .hero-photo {
        max-width: 300px;
    }

    .btn {
        width: 100%;
        margin-bottom: 0.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}