html, body {
    margin: 0;
    padding: 0;
    overflow: hidden;
    height: 100%;
}

.landing-page {
    height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

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

.landing-nav {
    position: absolute;
    top: 30px;
    right: 30px;
    z-index: 10;
    display: flex;
    gap: 12px;
}

.btn-nav {
    padding: 10px 28px;
    text-decoration: none;
    color: rgba(200, 220, 255, 0.9);
    background: rgba(138, 173, 244, 0.1);
    border: 1px solid rgba(138, 173, 244, 0.3);
    border-radius: 6px;
    font-size: 0.85rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    transition: all 0.3s ease;
    pointer-events: auto;
}

.btn-nav:hover {
    color: #fff;
    background: rgba(138, 173, 244, 0.2);
    border-color: rgba(138, 173, 244, 0.6);
    box-shadow: 0 0 20px rgba(138, 173, 244, 0.15);
}

.landing-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1;
    pointer-events: none;
    text-align: center;
}

.logo-center {
    width: 400px;
    max-width: 90vw;
    height: auto;
}

.tagline {
    margin-top: 16px;
    color: rgba(200, 220, 255, 0.9);
    font-size: 22px;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-shadow: 0 0 8px rgba(138, 173, 244, 0.4), 0 0 24px rgba(138, 173, 244, 0.12);
}

.prompt {
    color: rgba(138, 173, 244, 0.5);
}

.cursor {
    animation: blink 0.7s step-end infinite;
}

@keyframes blink {
    50% { opacity: 0; }
}

@media (max-width: 768px) {
    .landing-nav { top: 20px; right: 20px; }
    .logo-center { width: 300px; }
}

@media (max-width: 480px) {
    .logo-center { width: 220px; }
}