:root {
    --primary: #00d4ff;
    --primary-dark: #0099cc;
    --secondary: #7c3aed;
    --bg-dark: #0a0a0f;
    --bg-card: #12121a;
    --bg-card-hover: #1a1a25;
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --text-muted: #6b6b7b;
    --border: #2a2a3a;
    --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    --gradient-bg: linear-gradient(180deg, var(--bg-dark) 0%, #0f0f18 100%);
    --shadow: 0 10px 40px rgba(0, 212, 255, 0.1);
    --shadow-lg: 0 20px 60px rgba(0, 212, 255, 0.15);
    --radius: 16px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 15, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}

.header.scrolled {
    background: rgba(10, 10, 15, 0.98);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    font-family: 'Orbitron', sans-serif;
    font-size: 28px;
    font-weight: 700;
}

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

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

.nav-menu {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    transition: var(--transition);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition);
}

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

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

/* Language Selector */
.lang-selector {
    position: relative;
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 8px 12px;
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition);
}

.lang-btn:hover {
    border-color: var(--primary);
    background: rgba(0, 212, 255, 0.1);
}

.lang-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 8px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
}

.lang-dropdown.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-option {
    display: block;
    width: 100%;
    padding: 10px 20px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    text-align: left;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.lang-option:hover {
    background: rgba(0, 212, 255, 0.1);
    color: var(--text-primary);
}

/* Mobile Menu */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--bg-dark);
    box-shadow: 0 4px 20px rgba(0, 212, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 212, 255, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border);
}

.btn-outline:hover {
    border-color: var(--primary);
    background: rgba(0, 212, 255, 0.1);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding-top: 72px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.grid-lines {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% { transform: perspective(500px) rotateX(60deg) translateY(0); }
    100% { transform: perspective(500px) rotateX(60deg) translateY(60px); }
}

.particles {
    position: absolute;
    inset: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-title {
    font-family: 'Orbitron', sans-serif;
    font-size: clamp(36px, 6vw, 64px);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 24px;
}

.hero-title .highlight {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 40px;
}

.hero-btns {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-top: 80px;
    padding-top: 40px;
    border-top: 1px solid var(--border);
}

.stat {
    text-align: center;
}

.stat-value {
    font-family: 'Orbitron', sans-serif;
    font-size: 36px;
    font-weight: 700;
    color: var(--primary);
    display: block;
}

.stat-label {
    font-size: 14px;
    color: var(--text-muted);
    margin-top: 4px;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
}

.mouse {
    width: 26px;
    height: 40px;
    border: 2px solid var(--border);
    border-radius: 13px;
    position: relative;
}

.mouse::after {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--primary);
    border-radius: 2px;
    animation: scrollAnim 2s ease-in-out infinite;
}

@keyframes scrollAnim {
    0%, 100% { opacity: 1; transform: translateX(-50%) translateY(0); }
    50% { opacity: 0.3; transform: translateX(-50%) translateY(12px); }
}

/* Features Section */
.features {
    padding: 100px 0;
    background: linear-gradient(180deg, rgba(0, 212, 255, 0.02) 0%, transparent 100%);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    transition: var(--transition);
}

.feature-card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-family: 'Orbitron', sans-serif;
    font-size: 18px;
    margin-bottom: 12px;
}

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

/* Products Section */
.products {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-family: 'Orbitron', sans-serif;
    font-size: clamp(28px, 4vw, 40px);
    margin-bottom: 16px;
}

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

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

.product-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
}

.product-card:hover {
    border-color: var(--primary);
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.product-image {
    position: relative;
    height: 220px;
    background: linear-gradient(135deg, #1a1a2e 0%, #0f0f1a 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.product-image::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 50%, var(--bg-card) 100%);
}

.product-icon {
    font-size: 80px;
    opacity: 0.8;
}

.product-tag {
    position: absolute;
    top: 16px;
    left: 16px;
    background: var(--gradient-primary);
    color: var(--bg-dark);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.product-info {
    padding: 24px;
}

.product-category {
    color: var(--primary);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.product-name {
    font-family: 'Orbitron', sans-serif;
    font-size: 20px;
    margin-bottom: 12px;
}

.product-desc {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 16px;
    line-height: 1.5;
}

.product-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.product-feature {
    background: rgba(0, 212, 255, 0.1);
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 12px;
    color: var(--primary);
}

.product-price {
    font-family: 'Orbitron', sans-serif;
    font-size: 24px;
    color: var(--primary);
    margin-bottom: 16px;
}

.product-price span {
    font-size: 14px;
    color: var(--text-muted);
    font-family: 'Inter', sans-serif;
}

/* About Section */
.about {
    padding: 100px 0;
    background: linear-gradient(180deg, rgba(124, 58, 237, 0.03) 0%, transparent 100%);
}

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

.about-content h2 {
    font-family: 'Orbitron', sans-serif;
    font-size: 36px;
    margin-bottom: 24px;
}

.about-content p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.8;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 32px;
}

.about-feature {
    display: flex;
    align-items: center;
    gap: 12px;
}

.check-icon {
    width: 24px;
    height: 24px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    color: var(--bg-dark);
    flex-shrink: 0;
}

.about-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 300px;
}

.drone-animation {
    position: relative;
    width: 200px;
    height: 200px;
    animation: float 4s ease-in-out infinite;
}

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

.drone-body {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 12px;
    box-shadow: 0 0 30px rgba(0, 212, 255, 0.5);
}

.drone-arm {
    position: absolute;
    width: 80px;
    height: 8px;
    background: var(--border);
    border-radius: 4px;
    top: 50%;
    left: 50%;
}

.arm1 { transform: translate(-50%, -50%) rotate(45deg); }
.arm2 { transform: translate(-50%, -50%) rotate(-45deg); }
.arm3 { transform: translate(-50%, -50%) rotate(135deg); }
.arm4 { transform: translate(-50%, -50%) rotate(-135deg); }

.drone-prop {
    position: absolute;
    width: 40px;
    height: 4px;
    background: var(--primary);
    border-radius: 2px;
    animation: spin 0.1s linear infinite;
}

.prop1 { top: 30px; left: calc(50% - 60px); transform: rotate(45deg); }
.prop2 { top: 30px; right: calc(50% - 60px); transform: rotate(-45deg); }
.prop3 { bottom: 30px; left: calc(50% - 60px); transform: rotate(-45deg); }
.prop4 { bottom: 30px; right: calc(50% - 60px); transform: rotate(45deg); }

@keyframes spin {
    from { opacity: 0.5; }
    to { opacity: 1; }
}

/* Contact Section */
.contact {
    padding: 100px 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.contact-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.contact-icon {
    font-size: 32px;
    flex-shrink: 0;
}

.contact-item h4 {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 4px;
    font-weight: 500;
}

.contact-item a,
.contact-item span {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 16px;
}

.contact-item a:hover {
    color: var(--primary);
}

/* Contact Form */
.contact-form {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px;
}

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 16px;
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 15px;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23a0a0b0' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
}

.form-group label {
    position: absolute;
    left: 16px;
    top: 16px;
    color: var(--text-muted);
    font-size: 15px;
    pointer-events: none;
    transition: var(--transition);
}

.form-group input:focus ~ label,
.form-group input:valid ~ label,
.form-group textarea:focus ~ label,
.form-group textarea:valid ~ label,
.form-group select:focus ~ label,
.form-group select:valid ~ label {
    top: -10px;
    left: 12px;
    font-size: 12px;
    background: var(--bg-card);
    padding: 0 6px;
    color: var(--primary);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Footer */
.footer {
    background: var(--bg-card);
    border-top: 1px solid var(--border);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand p {
    color: var(--text-secondary);
    margin-top: 16px;
    font-size: 14px;
    max-width: 280px;
}

.footer-links h4 {
    font-size: 14px;
    margin-bottom: 20px;
    color: var(--text-primary);
}

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

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    transition: var(--transition);
}

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

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 14px;
}

/* Modal */
.modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    padding: 20px;
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    transform: scale(0.9);
    transition: var(--transition);
}

.modal.active .modal-content {
    transform: scale(1);
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: 50%;
    color: var(--text-primary);
    font-size: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    z-index: 1;
}

.modal-close:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.modal-body {
    padding: 32px;
}

.modal-image {
    height: 250px;
    background: linear-gradient(135deg, #1a1a2e 0%, #0f0f1a 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    margin-bottom: 24px;
}

.modal-image .product-icon {
    font-size: 100px;
}

.modal-body h2 {
    font-family: 'Orbitron', sans-serif;
    margin-bottom: 16px;
}

.modal-body .product-price {
    font-size: 32px;
    margin-bottom: 24px;
}

.modal-specs {
    background: var(--bg-dark);
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 24px;
}

.modal-specs h4 {
    margin-bottom: 16px;
    color: var(--primary);
}

.spec-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.spec-item {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid var(--border);
}

.spec-item:last-child {
    border-bottom: none;
}

.spec-label {
    color: var(--text-muted);
}

.spec-value {
    color: var(--text-primary);
    font-weight: 500;
}

/* Responsive */
@media (max-width: 992px) {
    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .about-visual {
        order: -1;
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--bg-dark);
        flex-direction: column;
        padding: 20px;
        gap: 0;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-menu li {
        border-bottom: 1px solid var(--border);
    }

    .nav-menu a {
        display: block;
        padding: 16px 0;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .hero-stats {
        flex-direction: column;
        gap: 24px;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    .spec-list {
        grid-template-columns: 1fr;
    }
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Toast */
.toast {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: var(--bg-card);
    border: 1px solid var(--primary);
    border-radius: 10px;
    padding: 16px 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 3000;
    transform: translateX(150%);
    transition: var(--transition);
}

.toast.active {
    transform: translateX(0);
}

.toast-icon {
    font-size: 24px;
}

.toast-message {
    font-size: 14px;
}