/* Global Styles */
:root {
    --primary-color: #00a651;
    --secondary-color: #009947;
    --accent-color: #ff9500;
    --text-primary: #333333;
    --text-secondary: #666666;
    --bg-light: #f5f5f5;
    --bg-white: #ffffff;
    --border-color: #e0e0e0;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
}

* {
    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: var(--text-primary);
    background-color: var(--bg-light);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Language Switcher */
.language-switcher {
    position: fixed;
    top: 20px;
    right: 20px;
    display: flex;
    gap: 8px;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    padding: 10px;
    border-radius: 25px;
    box-shadow: var(--shadow-md);
}

.lang-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    padding: 8px 12px;
    border-radius: 18px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 50px;
}

.lang-btn:hover {
    background-color: var(--bg-light);
}

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

/* Header */
.header {
    background-color: var(--bg-white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 999;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
}

.logo i {
    font-size: 30px;
}

.nav {
    display: flex;
    gap: 30px;
}

.nav-link {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

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

.cta-btn {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

.cta-btn:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

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

.hero-text {
    max-width: 500px;
}

.hero-title {
    font-size: 48px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.hero-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 30px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background-color: var(--accent-color);
    color: white;
    padding: 10px 20px;
    border-radius: 50px;
    margin-bottom: 30px;
    font-weight: 600;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.hero-pricing {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px;
}

.price-old {
    font-size: 24px;
    color: var(--text-secondary);
    text-decoration: line-through;
}

.price-new {
    font-size: 48px;
    font-weight: 700;
    color: var(--primary-color);
}

.hero-cta {
    font-size: 20px;
    padding: 16px 32px;
}

.hero-btn {
    background-color: var(--primary-color);
    color: white;
    padding: 16px 32px;
    border-radius: 50px;
    font-size: 20px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    margin-top: 20px;
}

.hero-btn:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.hero-image {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.drone-img {
    max-width: 100%;
    height: auto;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
    100% { transform: translateY(0px); }
}

.floating-elements {
    position: absolute;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.floating-element {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 8px;
    background-color: rgba(255, 255, 255, 0.9);
    padding: 12px 20px;
    border-radius: 50px;
    box-shadow: var(--shadow-sm);
    font-weight: 500;
    animation: float 4s ease-in-out infinite;
}

.floating-element:nth-child(1) {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.floating-element:nth-child(2) {
    top: 60%;
    right: 15%;
    animation-delay: 1s;
}

.floating-element:nth-child(3) {
    bottom: 20%;
    left: 20%;
    animation-delay: 2s;
}

.floating-element i {
    color: var(--primary-color);
}

/* Features Section */
.features {
    padding: 100px 0;
    background-color: var(--bg-white);
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 60px;
    color: var(--text-primary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background-color: var(--bg-white);
    padding: 40px 30px;
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 32px;
}

.feature-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.feature-description {
    color: var(--text-secondary);
    font-size: 16px;
}

/* Pricing Section */
.pricing {
    padding: 100px 0;
    background-color: var(--bg-light);
}

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

.pricing-text {
    max-width: 500px;
}

.pricing-description {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 30px;
}

.pricing-list {
    list-style: none;
}

.pricing-item {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
    font-size: 16px;
    color: var(--text-primary);
}

.pricing-item i {
    color: var(--primary-color);
    font-size: 20px;
}

.pricing-card {
    background-color: var(--bg-white);
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    padding: 50px 40px;
    text-align: center;
    max-width: 400px;
    margin: 0 auto;
}

.pricing-card-header {
    margin-bottom: 40px;
}

.pricing-card-title {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.pricing-card-price {
    font-size: 48px;
    font-weight: 700;
    color: var(--primary-color);
}

.price-amount {
    display: inline-block;
    vertical-align: top;
    font-size: 64px;
}

.price-currency {
    display: inline-block;
    vertical-align: top;
    font-size: 24px;
    margin-top: 10px;
}

.crypto-payment {
    margin-bottom: 30px;
}

.payment-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.crypto-wallet {
    background-color: var(--bg-light);
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 20px;
}

.wallet-address {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
    font-family: 'Courier New', monospace;
    font-size: 14px;
    color: var(--text-primary);
    word-break: break-all;
}

.copy-btn {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 8px 12px;
    border-radius: 5px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 14px;
}

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

.payment-note {
    font-size: 14px;
    color: var(--text-secondary);
}

.pricing-btn {
    width: 100%;
    font-size: 18px;
    padding: 16px 32px;
}

/* Testimonials Section */
.testimonials {
    padding: 100px 0;
    background-color: var(--bg-white);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.testimonial-card {
    background-color: var(--bg-light);
    padding: 40px 30px;
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.testimonial-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-md);
}

.testimonial-rating {
    margin-bottom: 20px;
}

.testimonial-rating i {
    color: var(--accent-color);
    font-size: 16px;
}

.testimonial-text {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 30px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.author-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
}

.author-info h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 5px;
}

.author-info p {
    font-size: 14px;
    color: var(--text-secondary);
}

/* FAQ Section */
.faq {
    padding: 100px 0;
    background-color: var(--bg-light);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background-color: var(--bg-white);
    margin-bottom: 20px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.faq-item:hover {
    box-shadow: var(--shadow-md);
}

.faq-question {
    padding: 20px 30px;
    background-color: var(--bg-white);
    border: none;
    width: 100%;
    text-align: left;
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: var(--transition);
}

.faq-question:hover {
    background-color: var(--bg-light);
}

.faq-question i {
    font-size: 24px;
    color: var(--primary-color);
    transition: var(--transition);
}

.faq-answer {
    padding: 0 30px;
    max-height: 0;
    overflow: hidden;
    transition: var(--transition);
    background-color: var(--bg-white);
}

.faq-answer.active {
    padding: 0 30px 20px;
    max-height: 200px;
}

.faq-question.active i {
    transform: rotate(180deg);
}

.faq-answer p {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Footer */
.footer {
    background-color: var(--text-primary);
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 20px;
    color: white;
}

.footer-section p,
.footer-section a {
    font-size: 14px;
    color: #cccccc;
    text-decoration: none;
    line-height: 2;
    transition: var(--transition);
}

.footer-section a:hover {
    color: var(--primary-color);
}

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

.footer-section ul li {
    margin-bottom: 10px;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-link {
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.social-link:hover {
    background-color: var(--primary-color);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 14px;
    color: #999999;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1001;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

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

.modal-content {
    background-color: var(--bg-white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 30px;
}

.modal-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
}

.close-btn {
    background: none;
    border: none;
    font-size: 30px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

.close-btn:hover {
    color: var(--text-primary);
}

.order-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.form-group label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea {
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 16px;
    transition: var(--transition);
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 166, 81, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.payment-info {
    background-color: var(--bg-light);
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 20px;
}

.payment-info h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.payment-info p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.payment-info .wallet-address {
    font-family: 'Courier New', monospace;
    font-size: 14px;
    color: var(--text-primary);
    word-break: break-all;
    background-color: white;
    padding: 10px;
    border-radius: 5px;
    margin-bottom: 10px;
}

.submit-btn {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.submit-btn:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.submit-btn:disabled {
    background-color: var(--border-color);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-content,
    .pricing-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .hero-text,
    .pricing-text {
        max-width: 100%;
        text-align: center;
    }
    
    .hero-cta {
        margin: 0 auto;
    }
    
    .floating-elements {
        display: none;
    }
}

@media (max-width: 768px) {
    .nav {
        display: none;
    }
    
    .hero {
        padding: 80px 0;
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .hero-pricing {
        flex-direction: column;
        gap: 10px;
    }
    
    .price-new {
        font-size: 36px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .features,
    .pricing,
    .testimonials,
    .faq {
        padding: 80px 0;
    }
    
    .features-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .modal-content {
        padding: 30px 20px;
    }
    
    .language-switcher {
        top: 10px;
        right: 10px;
        flex-wrap: wrap;
        gap: 5px;
        padding: 6px;
        border-radius: 20px;
    }
    
    .lang-btn {
        padding: 6px 10px;
        font-size: 12px;
        min-width: 45px;
        border-radius: 15px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 28px;
    }
    
    .section-title {
        font-size: 24px;
    }
    
    .pricing-card {
        padding: 40px 20px;
    }
    
    .price-amount {
        font-size: 48px;
    }
    
    .price-currency {
        font-size: 20px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease;
}

/* Loading Spinner */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(0, 166, 81, 0.1);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Success Message */
.success-message {
    background-color: #d4edda;
    color: #155724;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    border: 1px solid #c3e6cb;
    display: flex;
    align-items: center;
    gap: 10px;
}

.success-message i {
    font-size: 20px;
}

/* Error Message */
.error-message {
    background-color: #f8d7da;
    color: #721c24;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    border: 1px solid #f5c6cb;
    display: flex;
    align-items: center;
    gap: 10px;
}

.error-message i {
    font-size: 20px;
}