:root {
    --primary-color: #000000;
    --secondary-color: #333333;
    --background-color: #ffffff;
    --text-color: #000000;
    --card-background: #f5f5f5;
    --accent-color: #666666;
    --transition: all 0.3s ease;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --border-radius: 4px;
}

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

body {
    font-family: 'Space Grotesk', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
}

main {
    padding: 0;
    max-width: 100%;
    margin: 0;
}

#hero {
    text-align: center;
    padding: 4rem 2rem;
    background-color: var(--primary-color);
    color: white;
    margin-bottom: 3rem;
    position: relative;
    overflow: hidden;
    min-height: 50vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

#droneCanvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    opacity: 0.8;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
}

#hero h1 {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

#hero p {
    font-size: 1.4rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 300;
    margin-bottom: 1rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

section {
    margin-bottom: 6rem;
    padding: 0 2rem;
    max-width: 1200px;
    margin-inline: auto;
}

h2 {
    color: var(--primary-color);
    margin-bottom: 3rem;
    text-align: center;
    font-size: 2.5rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    position: relative;
    padding-bottom: 1rem;
}

h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: var(--accent-color);
}

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

.drone-card {
    background-color: var(--card-background);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    border: 1px solid rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.drone-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background-color: var(--accent-color);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.drone-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.drone-card:hover::before {
    transform: scaleX(1);
}

.drone-card h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-size: 1.8rem;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.drone-card ul {
    list-style: none;
    margin-top: 1.5rem;
}

.drone-card li {
    margin-bottom: 0.8rem;
    font-weight: 300;
}

.drone-card p {
    font-size: 1.1rem;
    line-height: 1.6;
    color: var(--text-color);
    margin-bottom: 1rem;
    font-weight: 300;
}

#about {
    padding: 4rem 2rem;
    margin-bottom: 3rem;
}

#about .drone-card {
    max-width: 800px;
    margin: 0 auto;
    background-color: var(--card-background);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    border: 1px solid rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

#about .drone-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

#about .drone-card p {
    font-size: 1.2rem;
    line-height: 1.8;
    color: var(--text-color);
    margin-bottom: 1.5rem;
    font-weight: 300;
    transition: var(--transition);
}

#about .drone-card p:last-child {
    margin-bottom: 0;
}

.contact-info {
    text-align: center;
    background-color: var(--card-background);
    padding: 3rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    border: 1px solid rgba(0, 0, 0, 0.1);
    max-width: 800px;
    margin: 0 auto;
}

.contact-item {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.contact-item:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.contact-info p {
    margin-bottom: 0.5rem;
    font-weight: 300;
}

.contact-info p:not(.lt):not(.en) {
    margin-bottom: 1.5rem;
    font-weight: 400;
    font-size: 1.1rem;
}

.contact-info .lt,
.contact-info .en {
    margin-bottom: 0;
    font-size: 0.9rem;
    color: var(--accent-color);
}

footer {
    text-align: center;
    padding: 2rem;
    background-color: var(--primary-color);
    color: white;
    margin-top: 4rem;
    font-weight: 300;
}

.language-switcher {
    position: fixed;
    top: 2rem;
    right: 2rem;
    z-index: 1000;
    display: flex;
    gap: 0.5rem;
    background-color: rgba(0, 0, 0, 0.5);
    padding: 0.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.lang-btn {
    background: none;
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    padding: 0.5rem 1rem;
    font-family: inherit;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    border-radius: var(--border-radius);
}

.lang-btn:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

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

.en {
    display: none;
}

body[data-lang="en"] .en {
    display: block;
}

body[data-lang="en"] .lt {
    display: none;
}

@media (max-width: 768px) {
    #hero {
        padding: 3rem 1rem;
        min-height: 40vh;
    }

    #hero h1 {
        font-size: 2.8rem;
    }

    #hero p {
        font-size: 1.2rem;
    }

    section {
        padding: 0 1rem;
        margin-bottom: 4rem;
    }

    h2 {
        font-size: 2rem;
        margin-bottom: 2rem;
    }

    .drone-card {
        padding: 2rem;
    }

    #about {
        padding: 3rem 1rem;
    }

    #about .drone-card {
        padding: 2rem;
    }

    #about .drone-card p {
        font-size: 1.1rem;
        line-height: 1.6;
    }

    .contact-info {
        padding: 2rem;
    }

    .youtube-icon {
        font-size: 2rem;
    }

    .language-switcher {
        top: 1rem;
        right: 1rem;
        padding: 0.4rem;
    }

    .lang-btn {
        padding: 0.4rem 0.8rem;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    #hero h1 {
        font-size: 2.2rem;
    }

    #hero p {
        font-size: 1rem;
    }

    h2 {
        font-size: 1.8rem;
    }

    .drone-card {
        padding: 1.5rem;
    }

    #about .drone-card {
        padding: 1.5rem;
    }

    #about .drone-card p {
        font-size: 1rem;
    }

    .youtube-icon {
        font-size: 1.8rem;
    }
}

.logo-container {
    margin-bottom: 2rem;
}

.logo {
    max-width: 300px;
    height: auto;
    transition: var(--transition);
    filter: drop-shadow(0 4px 6px rgba(0, 0, 0, 0.2));
}

.logo:hover {
    transform: scale(1.05);
}

@media (max-width: 768px) {
    .logo {
        max-width: 250px;
    }
}

@media (max-width: 480px) {
    .logo {
        max-width: 200px;
    }
}

.social-media {
    margin-top: 2rem;
}

.youtube-icon {
    color: #000;
    font-size: 2.5rem;
    transition: var(--transition);
}

.youtube-icon:hover {
    color: #ff0000;
    transform: scale(1.1);
}

@media (max-width: 768px) {
    .youtube-icon {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .youtube-icon {
        font-size: 1.8rem;
    }
}