:root {
    --primary-color: #0ff;
    --secondary-color: #08f;
    --background-color: #000810;
    --text-color: #fff;
    --glow-color: rgba(0, 255, 255, 0.5);
    --grid-color: rgba(0, 255, 255, 0.1);
    --card-bg: rgba(0, 20, 40, 0.5);
    --card-hover: rgba(0, 30, 60, 0.8);
}

.language-switcher {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
}

.lang-dropdown {
    position: relative;
}

.lang-options {
    position: absolute;
    top: calc(100% + 5px);
    right: 0;
    display: flex;
    flex-direction: column;
    gap: 5px;
    background: rgba(0, 8, 16, 0.9);
    padding: 5px;
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 255, 255, 0.1);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.lang-btn {
    background: transparent;
    border: 1px solid var(--primary-color);
    color: var(--text-color);
    padding: 8px 15px;
    border-radius: 12px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    text-transform: uppercase;
    min-width: 45px;
    white-space: nowrap;
}

.lang-btn.current {
    background: rgba(0, 8, 16, 0.9);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 255, 255, 0.3);
    box-shadow: 0 0 10px rgba(0, 255, 255, 0.1);
}

.lang-btn:hover {
    background: var(--primary-color);
    color: var(--background-color);
    box-shadow: 0 0 15px var(--glow-color);
}

.lang-btn.active {
    background: var(--primary-color);
    color: var(--background-color);
    box-shadow: 0 0 15px var(--glow-color);
}

@media (max-width: 768px) {
    .language-switcher {
        top: 10px;
        right: 10px;
    }

    .lang-btn {
        padding: 6px 12px;
        font-size: 0.8rem;
        min-width: 40px;
    }
}

#particleCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

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

body {
    background-color: var(--background-color);
    font-family: 'Arial', sans-serif;
    color: var(--text-color);
    min-height: 100vh;
    min-height: -webkit-fill-available;
    overflow-x: hidden;
    line-height: 1.6;
}

html {
    height: -webkit-fill-available;
}

.intro-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 1;
    transition: opacity 1s ease-out;
    padding: 20px;
}

.brand {
    font-size: clamp(2rem, 8vw, 3.5rem);
    margin: 20px 0;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--text-color);
    text-shadow: 0 0 10px var(--glow-color),
                 0 0 20px var(--glow-color),
                 0 0 30px var(--glow-color);
    animation: glow 2s ease-in-out infinite alternate;
    text-align: center;
    word-wrap: break-word;
    max-width: 100%;
}

.enter-btn {
    margin-top: clamp(20px, 4vh, 30px);
    padding: clamp(10px, 3vw, 12px) clamp(30px, 6vw, 40px);
    font-size: clamp(1rem, 4vw, 1.2rem);
    text-transform: uppercase;
    letter-spacing: 2px;
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.enter-btn:hover,
.enter-btn:active {
    background: var(--primary-color);
    color: var(--background-color);
    box-shadow: 0 0 20px var(--glow-color);
}

.enter-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 0;
    height: 0;
    background: var(--primary-color);
    border-radius: 50%;
    transition: width 0.5s, height 0.5s;
    opacity: 0.3;
}

.enter-btn:hover::before,
.enter-btn:active::before {
    width: 300px;
    height: 300px;
}

/* Main Content Styles */
.main-content {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transform: scale(0.9);
    transition: all 1s ease-out;
    pointer-events: none;
    z-index: 2;
    overflow-y: auto;
    background: linear-gradient(135deg, rgba(0, 8, 16, 0.9), rgba(0, 16, 32, 0.95));
}

.main-content.visible {
    opacity: 1;
    transform: scale(1);
    pointer-events: all;
}

.content-wrapper {
    max-width: 1400px;
    margin: 0 auto;
    padding: clamp(20px, 5vw, 50px);
    text-align: center;
}

.welcome-text {
    font-size: clamp(1.8rem, 5vw, 2.5rem);
    margin-bottom: 0.5em;
    text-transform: uppercase;
    letter-spacing: 2px;
    line-height: 1.2;
}

.highlight {
    color: var(--primary-color);
    text-shadow: 0 0 10px var(--glow-color);
}

.tagline {
    font-size: clamp(1rem, 3vw, 1.3rem);
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 3rem;
    letter-spacing: 1.5px;
    font-weight: 300;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.service-card {
    background: var(--card-bg);
    border: 1px solid rgba(0, 255, 255, 0.1);
    border-radius: 10px;
    padding: 2rem;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, transparent, rgba(0, 255, 255, 0.1));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    background: var(--card-hover);
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.2);
}

.service-card:hover::before {
    opacity: 1;
}

.service-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    text-shadow: 0 0 10px var(--glow-color);
    transition: transform 0.3s ease;
}

.service-card:hover .service-icon {
    transform: scale(1.1);
}

.service-card h3 {
    font-size: clamp(1.2rem, 3vw, 1.5rem);
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.service-card p {
    font-size: clamp(0.9rem, 2vw, 1rem);
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

@keyframes glow {
    from {
        text-shadow: 0 0 5px var(--glow-color),
                     0 0 10px var(--glow-color),
                     0 0 15px var(--glow-color);
    }
    to {
        text-shadow: 0 0 10px var(--glow-color),
                     0 0 20px var(--glow-color),
                     0 0 30px var(--glow-color);
    }
}

/* Mobile Optimizations */
@media (max-width: 768px) {
    .services-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .service-card {
        padding: 1.5rem;
    }

    .service-icon {
        font-size: 2rem;
    }
    
    .main-content {
        background: linear-gradient(135deg, rgba(0, 8, 16, 0.95), rgba(0, 16, 32, 0.98));
    }
}

/* Ensure smooth scrolling */
@media (prefers-reduced-motion: no-preference) {
    html {
        scroll-behavior: smooth;
    }
}