:root {
    --font-display: 'Teko', sans-serif;
    --color-text: #ffffff;
    --color-accent: #fcee0a;
    --color-bg: #111111;
    --color-gray: #888;
}

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

body {
    height: 100vh; width: 100vw; overflow: hidden;
    background: var(--color-bg); font-family: sans-serif;
}
/* NEU: Verhindert Scrollen im Hintergrund, wenn das Modal offen ist */
body.modal-open { overflow: hidden; }

/* Verbesserter Ladebildschirm */
.loading-screen {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: var(--color-bg); z-index: 1000; display: flex;
    justify-content: center; align-items: center;
    transition: opacity 1s ease 1.5s;
}
.loader-pulse {
    width: 80px; height: 80px; border-radius: 50%;
    background: var(--color-accent);
    animation: pulse 1.5s infinite ease-in-out;
}
@keyframes pulse {
    0% { transform: scale(0); opacity: 0.8; }
    100% { transform: scale(1); opacity: 0; }
}

model-viewer { position: absolute; top: 0; left: 0; z-index: 1; }

.overlay-content {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    z-index: 2; padding: 3rem; display: flex; flex-direction: column;
    justify-content: space-between; align-items: center;
    pointer-events: none; color: var(--color-text); text-align: center;
}

.main-header h1 {
    font-family: var(--font-display); font-size: clamp(6rem, 18vw, 10rem);
    line-height: 0.8; font-weight: 700;
    text-shadow: 0 0 20px rgba(0,0,0,0.5); /* NEU: Verbessert Lesbarkeit */
}
.main-header span {
    font-family: var(--font-display); font-size: 1.5rem; letter-spacing: 5px;
}

.promo-box p {
    font-family: var(--font-display); font-size: 2.5rem;
    background: var(--color-accent); color: #000;
    padding: 0.5rem 1.5rem; font-weight: 700;
}

.cta-button {
    pointer-events: all; font-family: var(--font-display); font-size: 2rem;
    background: transparent; border: 3px solid var(--color-accent);
    color: var(--color-accent); padding: 0.8rem 4rem; cursor: pointer;
    transition: all 0.3s ease;
    text-shadow: 0 0 10px var(--color-accent); /* NEU: Leuchteffekt */
}
.cta-button:hover, .cta-button:focus {
    background: var(--color-accent); color: #000;
    box-shadow: 0 0 25px var(--color-accent); /* NEU: Hover-Effekt */
    text-shadow: none;
}

/* Verbessertes Modal-Styling und Animation */
.modal-container {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    z-index: 100; background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(15px); -webkit-backdrop-filter: blur(15px);
    display: flex; justify-content: center; align-items: center;
    opacity: 0; visibility: hidden;
    transition: opacity 0.4s ease, visibility 0s linear 0.4s;
}
.modal-container.visible {
    opacity: 1; visibility: visible; transition-delay: 0s;
}
.modal-content {
    background: rgba(17, 17, 17, 0.9); border: 1px solid rgba(255,255,255,0.1);
    color: var(--color-text); padding: 3rem; border-radius: 8px;
    width: 90%; max-width: 500px; position: relative;
    transform: translateY(-20px); /* NEU: Startposition für Animation */
    transition: transform 0.4s ease, opacity 0.4s ease;
}
.modal-container.visible .modal-content {
    transform: translateY(0);
}
.close-button {
    position: absolute; top: 1rem; right: 1.5rem;
    background: none; border: none; font-size: 2.5rem;
    color: var(--color-gray); cursor: pointer; transition: color 0.3s;
}
.close-button:hover { color: var(--color-text); }

.modal-content h2 { font-family: var(--font-display); font-size: 4rem; text-align: center; color: var(--color-accent);}
.modal-content p { text-align: center; margin-bottom: 2.5rem; color: #ccc; }

.form-group { position: relative; margin-bottom: 2rem; }
.form-group input {
    width: 100%; padding: 12px 0; background: transparent;
    border: none; border-bottom: 2px solid #555;
    color: var(--color-text); font-size: 1.2rem; outline: none;
    transition: border-color 0.3s;
}
.form-group label {
    position: absolute; top: 12px; left: 0; color: var(--color-gray);
    transition: all 0.3s ease; pointer-events: none;
}
.form-group input:focus + label, .form-group input:not(:placeholder-shown) + label {
    top: -15px; font-size: 0.9rem; color: var(--color-accent);
}
.form-group input:focus { border-bottom-color: var(--color-accent); }

.form-group-checkbox { margin-bottom: 2rem; display: flex; align-items: center; gap: 10px; }
.submit-button {
    width: 100%; padding: 1rem; background: var(--color-accent);
    color: #000; border: none; font-family: var(--font-display);
    font-size: 1.5rem; cursor: pointer; transition: background-color 0.3s;
}
.submit-button:hover { background: #d9cb09; }