:root {
    --bg-color: #0f172a;
    --text-color: #f8fafc;
    --primary-color: #38bdf8;
    --secondary-color: #818cf8;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    position: relative;
}

.background-gradient {
    position: absolute;
    width: 150%;
    height: 150%;
    background: radial-gradient(circle at 50% 50%, rgba(56, 189, 248, 0.15), transparent 50%),
                radial-gradient(circle at 0% 0%, rgba(129, 140, 248, 0.1), transparent 40%),
                radial-gradient(circle at 100% 100%, rgba(236, 72, 153, 0.1), transparent 40%);
    z-index: -1;
    animation: pulse 10s ease-in-out infinite alternate;
}

@keyframes pulse {
    0% { transform: scale(1); }
    100% { transform: scale(1.1); }
}

.glass-container {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    padding: 3rem;
    border-radius: 24px;
    width: 90%;
    max-width: 600px;
    text-align: center;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    display: flex;
    flex-direction: column;
    gap: 2rem;
    animation: fadeIn 0.8s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

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

.logo {
    font-weight: 700;
    font-size: 1.5rem;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.language-switcher button {
    background: transparent;
    border: none;
    color: rgba(255, 255, 255, 0.6);
    cursor: pointer;
    margin-left: 0.5rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.language-switcher button:hover,
.language-switcher button.active {
    color: var(--text-color);
}

.content h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.content p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 2rem;
}

.loader-line {
    width: 100%;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    overflow: hidden;
    position: relative;
}

.loader-line::after {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 40%;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    animation: loading 2s ease-in-out infinite;
    border-radius: 2px;
}

@keyframes loading {
    0% { left: -40%; }
    50% { left: 100%; }
    100% { left: -40%; }
}

.contact-btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-color);
    text-decoration: none;
    border-radius: 50px;
    border: 1px solid var(--glass-border);
    font-weight: 500;
    transition: all 0.3s ease;
}

.contact-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

@media (max-width: 480px) {
    .glass-container {
        padding: 2rem;
    }
    .content h1 {
        font-size: 2rem;
    }
}