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

:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #1a1a1a;
    --bg-tertiary: #2a2a2a;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --text-muted: #707070;
    --accent-primary: #00ff88;
    --accent-secondary: #0099ff;
    --border-color: #333333;
    --hover-bg: #252525;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
    width: 100%;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

/* Header */
.header {
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--accent-primary);
}

.logo-icon {
  width: 38px;
}

/* Navigation */
.nav-list {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    padding: 0.5rem 0;
}

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

.nav-link.cta-button {
    background-color: var(--accent-primary);
    color: var(--bg-primary);
    padding: 0.6rem 1.5rem;
    border-radius: 5px;
    font-weight: 600;
}

.nav-link.cta-button:hover {
    background-color: var(--accent-secondary);
    color: var(--text-primary);
}

/* Burger Menu */
.burger-menu {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.burger-menu span {
    width: 25px;
    height: 3px;
    background-color: var(--text-primary);
    border-radius: 3px;
    transition: all 0.3s ease;
}

.burger-menu.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.burger-menu.active span:nth-child(2) {
    opacity: 0;
}

.burger-menu.active span:nth-child(3) {
    transform: rotate(-45deg) translate(4px, -4px);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    padding: 6rem 0;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    line-height: 1.8;
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.9rem 2rem;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    cursor: pointer;
    text-align: center;
}

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

.btn-primary:hover {
    background-color: var(--accent-secondary);
    color: var(--text-primary);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 255, 136, 0.3);
}

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

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

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

.btn-outline:hover {
    background-color: var(--accent-primary);
    color: var(--bg-primary);
}

/* Section Styles */
section {
    padding: 5rem 0;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--text-primary);
    font-weight: 700;
}

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

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.about-text {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.about-description {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.8;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.about-description strong {
    color: var(--accent-primary);
}

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

.image-placeholder {
    width: 100%;
    max-width: 500px;
    aspect-ratio: 1;
    background: linear-gradient(135deg, var(--bg-tertiary), var(--bg-secondary));
    border: 2px solid var(--border-color);
    border-radius: 10px;
    display: flex;
    justify-content: center;
    position: relative;
    overflow: hidden;
}



@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.placeholder-content {
    text-align: center;
    z-index: 1;
}

.placeholder-icon {
    font-size: 5rem;
    display: block;
    margin-bottom: 1rem;
}

.placeholder-text {
    color: var(--text-secondary);
    font-size: 1.2rem;
}

/* Products Section */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    width: 100%;
}

.product-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 2rem;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-primary);
    box-shadow: 0 10px 30px rgba(0, 255, 136, 0.2);
}

.product-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    text-align: center;
}

.product-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--accent-primary);
}

.product-description {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    flex-grow: 1;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.product-features {
    list-style: none;
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
}

.product-features li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
}

.product-features li:last-child {
    border-bottom: none;
}

/* Advantages Section */
.advantages {
    background-color: var(--bg-secondary);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    width: 100%;
}

.advantage-item {
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
}

.advantage-item:hover {
    transform: translateY(-5px);
    border-color: var(--accent-secondary);
    box-shadow: 0 10px 30px rgba(0, 153, 255, 0.2);
}

.advantage-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.advantage-title {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--accent-secondary);
}

.advantage-text {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* FAQ Section */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.faq-item {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 1.5rem;
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: var(--accent-primary);
    background-color: var(--bg-tertiary);
}

.faq-question {
    font-size: 1.2rem;
    margin-bottom: 0.8rem;
    color: var(--accent-primary);
}

.faq-answer {
    color: var(--text-secondary);
    line-height: 1.7;
}

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

.contact-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.contact-description {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 2rem;
    line-height: 1.8;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.contact-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Footer */
.footer {
    background-color: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    padding: 2rem 0;
    text-align: center;
}

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

/* Tablet Styles (769px - 1024px) */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 3.5rem;
    }

    .section-title {
        font-size: 2.2rem;
    }

    .products-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 1.5rem;
    }

    .advantages-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 1.5rem;
    }

    .about-content {
        gap: 2rem;
    }

    .product-card,
    .advantage-item {
        padding: 1.5rem;
    }
}

/* Mobile and Tablet Portrait (max-width: 768px) */
@media (max-width: 768px) {
    .burger-menu {
        display: flex;
    }

    .nav {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background-color: var(--bg-secondary);
        border-bottom: 1px solid var(--border-color);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
        z-index: 999;
    }

    .nav.active {
        max-height: 500px;
    }

    .nav-list {
        flex-direction: column;
        gap: 0;
        padding: 1rem 0;
        align-items: center;
    }

    .nav-list li {
        width: 100%;
        text-align: center;
    }

    .nav-link {
        display: block;
        padding: 1rem;
        width: 100%;
        border-bottom: 1px solid var(--border-color);
    }

    .nav-link.cta-button {
        margin: 0.5rem 1rem;
        width: calc(100% - 2rem);
    }

    .hero {
        padding: 4rem 0;
    }

    .hero-title {
        font-size: 2.5rem;
        line-height: 1.2;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .hero-description {
        font-size: 1rem;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .about-text {
        order: 2;
    }

    .about-image {
        order: 1;
    }

    .image-placeholder {
        max-width: 100%;
    }

    .products-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .advantages-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .section-title {
        font-size: 2rem;
        margin-bottom: 2rem;
    }

    section {
        padding: 3.5rem 0;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 0.8rem;
    }

    .hero-buttons .btn {
        width: 100%;
        max-width: 300px;
    }

    .contact-buttons {
        flex-direction: column;
        align-items: center;
        gap: 0.8rem;
    }

    .contact-buttons .btn {
        width: 100%;
        max-width: 300px;
    }

    .product-card,
    .advantage-item {
        padding: 1.5rem;
    }

    .faq-item {
        padding: 1.25rem;
    }

    .faq-question {
        font-size: 1.1rem;
    }

    .contact-description {
        font-size: 1rem;
        margin-bottom: 1.5rem;
    }

    .about-description {
        font-size: 1rem;
    }
}

/* Small Mobile Devices (max-width: 480px) */
@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .logo {
        font-size: 1.2rem;
    }

    .logo-icon {
        font-size: 1.5rem;
    }

    .hero {
        padding: 3rem 0;
    }

    .hero-title {
        font-size: 2rem;
        margin-bottom: 0.8rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
        margin-bottom: 1rem;
    }

    .hero-description {
        font-size: 0.95rem;
        margin-bottom: 2rem;
    }

    .section-title {
        font-size: 1.75rem;
        margin-bottom: 1.5rem;
    }

    section {
        padding: 2.5rem 0;
    }

    .product-card,
    .advantage-item {
        padding: 1.25rem;
    }

    .product-title,
    .advantage-title {
        font-size: 1.3rem;
    }

    .product-description,
    .advantage-text {
        font-size: 0.95rem;
    }

    .product-icon,
    .advantage-icon {
        font-size: 2.5rem;
    }

    .faq-item {
        padding: 1rem;
    }

    .faq-question {
        font-size: 1rem;
        margin-bottom: 0.6rem;
    }

    .faq-answer {
        font-size: 0.9rem;
    }

    .contact-description {
        font-size: 0.95rem;
        margin-bottom: 1.25rem;
    }

    .about-description {
        font-size: 0.95rem;
    }

    .btn {
        padding: 0.8rem 1.5rem;
        font-size: 0.95rem;
    }

    .image-placeholder {
        aspect-ratio: 4/3;
    }

    .placeholder-icon {
        font-size: 4rem;
    }

    .placeholder-text {
        font-size: 1rem;
    }
}

/* Extra Small Mobile Devices (max-width: 360px) */
@media (max-width: 360px) {
    .container {
        padding: 0 12px;
    }

    .hero-title {
        font-size: 1.75rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-description {
        font-size: 0.9rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .btn {
        padding: 0.75rem 1.25rem;
        font-size: 0.9rem;
    }

    .product-card,
    .advantage-item,
    .faq-item {
        padding: 1rem;
    }

    .product-title,
    .advantage-title {
        font-size: 1.2rem;
    }
}

/* Landscape Orientation on Mobile */
@media (max-width: 768px) and (orientation: landscape) {
    .hero {
        padding: 3rem 0;
    }

    .hero-title {
        font-size: 2.2rem;
    }

    section {
        padding: 2.5rem 0;
    }

    .nav.active {
        max-height: 400px;
        overflow-y: auto;
    }
}

/* Large Desktop Screens (min-width: 1440px) */
@media (min-width: 1440px) {
    .container {
        max-width: 1400px;
    }

    .hero-title {
        font-size: 4.5rem;
    }

    .section-title {
        font-size: 3rem;
    }

    .products-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}