@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600&display=swap');

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

body {
    font-family: 'Inter', sans-serif;
    background-color: #050505;
    color: #ffffff;
    overflow: hidden; /* Prevent scrolling for the 3D scene */
}

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 3rem;
    z-index: 10;
    background: linear-gradient(to bottom, rgba(0,0,0,0.5), transparent);
}

.logo {
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.login-btn {
    text-decoration: none;
    color: #ffffff;
    font-weight: 400;
    padding: 0.5rem 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 4px;
    transition: all 0.3s ease;
}

.login-btn:hover {
    background: #ffffff;
    color: #000000;
}

.hero {
    position: relative;
    width: 100vw;
    height: 100vh;
}

#canvas-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 5;
    text-align: center;
    pointer-events: none; /* Let clicks pass through to Three.js */
}

.hero-content h1 {
    font-size: 5rem;
    font-weight: 200;
    letter-spacing: 4px;
    opacity: 0.9;
    text-shadow: 0 0 30px rgba(255,255,255,0.4), 0 0 60px rgba(255,255,255,0.2);
    animation: breathe 4s ease-in-out infinite;
}

@keyframes breathe {
    0%, 100% { transform: scale(1); opacity: 0.8; }
    50% { transform: scale(1.02); opacity: 1; }
}

.controls {
    position: absolute;
    bottom: 2rem;
    right: 2rem;
    z-index: 10;
}

#pause-btn {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 0.8rem 1.2rem;
    cursor: pointer;
    border-radius: 4px;
    backdrop-filter: blur(5px);
    transition: background 0.3s;
}

#pause-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2.5rem;
    }
    .navbar {
        padding: 1rem 1.5rem;
    }
}