:root {
    --bg-color: #0b0c10;
    --text-color: #c5c6c7;
    --accent-color: #66fcf1;
    --accent-dark: #45a29e;
}

body {
    margin: 0;
    padding: 0;
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    overflow: hidden;
}

#app {
    text-align: center;
    background: rgba(255, 255, 255, 0.05);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.18);
    animation: fadeIn 1.5s ease-in-out;
}

header h1 {
    font-size: 3rem;
    margin: 0;
    color: var(--accent-color);
    letter-spacing: 4px;
}

header p {
    font-size: 1.2rem;
    font-weight: 300;
    margin-bottom: 30px;
}

.hero h2 {
    font-size: 2rem;
    margin-bottom: 15px;
    color: #fff;
}

.hero p {
    font-size: 1.1rem;
    margin-bottom: 30px;
    color: var(--text-color);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.cta-btn {
    background: linear-gradient(135deg, var(--accent-color), var(--accent-dark));
    border: none;
    padding: 15px 40px;
    font-size: 1.2rem;
    font-weight: 600;
    color: #0b0c10;
    border-radius: 30px;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.cta-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(102, 252, 241, 0.4);
}

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