/* ============================================
   index-ui.css — Landingpage-Only Styles
   Nur von index.html verwendet!
   ============================================ */

/* --- Sound Toggle (rund, unten rechts) --- */
.sound-toggle {
    position: fixed;
    bottom: 25px;
    right: 25px;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: rgba(15, 23, 42, 0.85);
    border: 1px solid rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(15px);
    color: rgba(255, 255, 255, 0.8);
    cursor: pointer;
    z-index: 1000;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 0 15px rgba(0, 210, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
}

.sound-toggle svg {
    width: 22px;
    height: 22px;
}

.sound-toggle:hover {
    color: #fff;
    border-color: #00d2ff;
    box-shadow: 0 0 20px rgba(0, 210, 255, 0.4);
    transform: translateY(-3px);
}

.sound-toggle.playing {
    color: #00d2ff;
    border-color: #00d2ff;
    animation: pulse-border 2s infinite;
}

@keyframes pulse-border {
    0%   { box-shadow: 0 0 10px rgba(0, 210, 255, 0.2); }
    50%  { box-shadow: 0 0 25px rgba(0, 210, 255, 0.6); }
    100% { box-shadow: 0 0 10px rgba(0, 210, 255, 0.2); }
}

/* --- Kontakt Button (oben rechts) --- */
.contact-btn {
    position: fixed;
    top: 25px;
    right: 25px;
    height: 38px;
    padding: 0 18px;
    border-radius: 20px;
    background: rgba(15, 23, 42, 0.85);
    border: 1px solid rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(15px);
    color: rgba(255, 255, 255, 0.8);
    cursor: pointer;
    z-index: 1000;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 0 15px rgba(0, 210, 255, 0.1);
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: 'Orbitron', sans-serif;
    font-size: 0.7rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
}

.contact-btn:hover {
    color: #00d2ff;
    border-color: #00d2ff;
    box-shadow: 0 0 25px rgba(0, 210, 255, 0.6);
}

a.contact-btn {
    text-decoration: none;
    color: inherit;
    box-sizing: border-box;
}

/* --- Kontakt Modal --- */
.contact-overlay {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(5, 11, 24, 0.85);
    backdrop-filter: blur(15px);
    z-index: 50000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.contact-overlay.open {
    opacity: 1;
    pointer-events: auto;
}

.contact-modal {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(25px);
    border: 1px solid rgba(0, 210, 255, 0.3);
    border-radius: 24px;
    padding: 40px;
    max-width: 500px;
    width: 90%;
    box-shadow: 0 0 60px rgba(0, 210, 255, 0.2);
    transform: translateY(20px);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    color: white;
}

.contact-overlay.open .contact-modal {
    transform: translateY(0);
}

.contact-modal h3 {
    font-family: 'Orbitron', sans-serif;
    color: #00d2ff;
    font-size: 1rem;
    letter-spacing: 2px;
    margin: 0 0 20px 0;
    text-transform: uppercase;
}

.contact-modal p {
    font-family: 'Inter', sans-serif;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
    margin: 0 0 20px 0;
    font-size: 0.95rem;
}

.contact-email {
    display: block;
    font-family: 'Orbitron', sans-serif;
    font-size: 0.85rem;
    color: #00d2ff;
    text-decoration: none;
    border: 1px solid rgba(0, 210, 255, 0.3);
    border-radius: 10px;
    padding: 14px 20px;
    text-align: center;
    letter-spacing: 1px;
    transition: all 0.2s;
    margin-bottom: 25px;
}

.contact-email:hover {
    background: rgba(0, 210, 255, 0.1);
    box-shadow: 0 0 20px rgba(0, 210, 255, 0.2);
}

.contact-close {
    display: block;
    margin: 20px auto 0 auto;
    padding: 8px 16px;
    font-family: 'Inter', sans-serif;
    font-size: 0.75rem;
    letter-spacing: 1px;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 6px;
    color: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: all 0.2s;
    text-transform: uppercase;
}

.contact-close:hover {
    background: rgba(255, 255, 255, 0.05);
    color: rgba(255, 255, 255, 0.8);
    border-color: rgba(255, 255, 255, 0.4);
}