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

:root {
    --primary: #FF6B00;
    --primary-dark: #E55A00;
    --secondary: #0066FF;
    --text-primary: #1A1A1A;
    --text-secondary: #666666;
    --bg-primary: #FFFFFF;
    --bg-secondary: #F8F9FA;
    --bg-tertiary: #F0F2F5;
    --border: #E0E0E0;
    --shadow: rgba(0, 0, 0, 0.1);
    --shadow-lg: rgba(0, 0, 0, 0.15);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--text-primary);
    background: var(--bg-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* Language Switcher */
.lang-switcher {
    position: fixed;
    top: 24px;
    right: 24px;
    z-index: 1000;
    display: flex;
    gap: 8px;
    background: var(--bg-primary);
    padding: 4px;
    border-radius: 12px;
    box-shadow: 0 4px 16px var(--shadow);
}

.lang-btn {
    padding: 8px 16px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.3s ease;
}

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

.lang-btn:hover:not(.active) {
    background: var(--bg-secondary);
}

/* Navigation */
.nav {
    position: sticky;
    top: 0;
    z-index: 999;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    padding: 16px 0;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 24px;
    font-weight: 800;
    text-decoration: none;
}

.logo-text {
    color: var(--text-primary);
}

.logo-accent {
    color: var(--primary);
}

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

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.admin-link {
    padding: 8px 16px;
    background: var(--bg-secondary);
    border-radius: 8px;
}

/* Hero Section */
.hero {
    position: relative;
    padding: 120px 0 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    z-index: -1;
}

.hero-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-block;
    padding: 8px 20px;
    background: var(--primary);
    color: white;
    border-radius: 24px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 24px;
    animation: fadeInUp 0.6s ease;
}

.hero-title {
    font-size: 64px;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 24px;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 0.6s ease 0.1s backwards;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 48px;
    animation: fadeInUp 0.6s ease 0.2s backwards;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 64px;
    margin-bottom: 48px;
    animation: fadeInUp 0.6s ease 0.3s backwards;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 48px;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
    margin-top: 8px;
}

.hero-cta {
    display: flex;
    justify-content: center;
    gap: 16px;
    animation: fadeInUp 0.6s ease 0.4s backwards;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 16px 32px;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    cursor: pointer;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(255, 107, 0, 0.3);
}

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

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

.btn-product {
    width: 100%;
    text-align: center;
}

/* Section Styles */
section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 64px;
}

.section-badge {
    display: inline-block;
    padding: 6px 16px;
    background: var(--primary);
    color: white;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 16px;
}

.section-title {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
}

/* About Section */
.about {
    background: var(--bg-primary);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.about-card {
    padding: 40px;
    background: var(--bg-secondary);
    border-radius: 20px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.about-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px var(--shadow);
}

.about-icon {
    font-size: 48px;
    margin-bottom: 24px;
}

.about-card h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 16px;
}

.about-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Technologies Section */
.technologies {
    background: var(--bg-secondary);
}

.tech-categories {
    display: flex;
    flex-direction: column;
    gap: 48px;
}

.tech-category h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 24px;
    text-align: center;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 24px;
}

.tech-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 24px;
    background: white;
    border-radius: 16px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.tech-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px var(--shadow);
}

.tech-item img {
    width: 48px;
    height: 48px;
    object-fit: contain;
}

.tech-icon-text {
    font-size: 48px;
    line-height: 1;
}

.tech-item span {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

/* Products Section */
.products {
    background: var(--bg-primary);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 32px;
}

.product-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 4px 16px var(--shadow);
    transition: all 0.3s ease;
    cursor: pointer;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 48px var(--shadow-lg);
}

.product-image {
    width: 100%;
    height: 240px;
    overflow: hidden;
    background: var(--bg-secondary);
}

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

.product-content {
    padding: 32px;
}

.product-content h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
}

.product-content p {
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.7;
}

.product-price {
    font-size: 32px;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 24px;
}

/* Contact Section */
.contact {
    background: var(--bg-secondary);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
}

.contact-info {
    position: sticky;
    top: 100px;
}

.contact-details {
    margin-top: 48px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

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

.contact-icon {
    font-size: 32px;
}

.contact-label {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.contact-item a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
}

.contact-item a:hover {
    text-decoration: underline;
}

/* Contact Form */
.contact-form {
    background: white;
    padding: 48px;
    border-radius: 20px;
    box-shadow: 0 4px 16px var(--shadow);
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border);
    border-radius: 12px;
    font-family: inherit;
    font-size: 16px;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.form-group textarea {
    resize: vertical;
}

/* Footer */
.footer {
    background: var(--text-primary);
    color: white;
    padding: 64px 0 32px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 64px;
    margin-bottom: 48px;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    margin-top: 16px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.footer-column h4 {
    font-size: 16px;
    margin-bottom: 16px;
    font-weight: 600;
}

.footer-column a {
    display: block;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    margin-bottom: 12px;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
}

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

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 48px;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .contact-info {
        position: static;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero {
        padding: 80px 0 60px;
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .hero-subtitle {
        font-size: 18px;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 32px;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .section-title {
        font-size: 36px;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .tech-grid {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Selection */
::selection {
    background: var(--primary);
    color: white;
}