@import url('https://fonts.googleapis.com/css2?family=Inter:wght@600;700&display=swap');

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

body {
    font-family: "Montserrat", sans-serif;
    display: flex;
    flex-direction: column;
    background: linear-gradient(-45deg, #3f223f 0%, #352235 30%, #241d2b 60%, #472145 100%);
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: 40px 40px;
    pointer-events: none;
    z-index: 0;
}

header {
    width: 100%;
    padding: 1em 2em;
    text-align: left;
    color: #5a5a7a;
    z-index: 10;
    position: absolute;
}

header h1 {
    font-family: 'Inter', sans-serif;
    font-size: 1.8em;
    font-weight: 700;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    margin: 0;
    color: rgba(255, 255, 255, 0.25);
    mix-blend-mode: screen;
}

header h3 {
    font-family: 'Inter', sans-serif;
    font-size: 1.3em;
    font-weight: 600;
    letter-spacing: 1.18em;
    text-transform: uppercase;
    margin: 0.3em 0 0 0;
    color: rgba(255, 255, 255, 0.12);
    mix-blend-mode: screen;
}

@keyframes charFadeIn {
    from {
        opacity: 0;
        transform: translateY(-6px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

main {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

#3Dcontainer {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 1;
}

#3Dcontainer canvas {
    width: 100%;
    height: 100%;
    display: block;
}

#travelDialog {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.95);
    z-index: 100;
    text-align: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease, transform 0.3s ease;
    background: rgba(14,10,20,0.85);
    padding: 2em 3em;
    border-radius: 2px;
    border: 1px solid rgba(155,93,229,0.15);
    backdrop-filter: blur(5px);
    color: #f0eaf8;
    font-family: 'Inter', sans-serif;
    letter-spacing: 0.05em;
    font-size: 1em;
}

#travelDialog.visible {
    opacity: 1;
    scale: 1;
    pointer-events: all;
}

#dialogBox {
    background: transparent;
    padding: 2em 2em;
    border-radius: 2px;
    border: none;
    backdrop-filter: none;
    box-shadow: none;
}

#dialogButtons button {
    font-family: 'Inter', sans-serif;
    font-size: 1.25em;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    padding: 0.6em 1.4em;
    border: 1px solid rgba(240,234,248,0.15);
    background: transparent;
    color: rgba(240,234,248,0.4);
    cursor: pointer;
    transition: all 0.2s ease;
    border-radius: 2px;
    backdrop-filter: blur(6px);
}

#dialogButtons button:hover {
    border-color: #9b5de5;
    color: #f0eaf8;
    background: rgba(155,93,229,0.08);
    transform: translateY(-1px);
}

#transition {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 0;
    height: 0;
    border-radius: 50%;
    background: black;
    z-index: 200;
    pointer-events: none;
    transition: width 0.8s ease, height 0.8s ease;
}

#transition.active {
    width: 300vw;
    height: 300vw;
}

#introTransition {
    position: fixed;
    inset: 0;
    z-index: 200;
    pointer-events: none;
}

#introTransition.active {
    clip-path: circle(150% at 50% 50%);
}

#mobileMenu {
    display: none;
    position: fixed;
    inset: 0;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 1.2em;
    z-index: 10;
    color: white;
    padding: 2em;
}

#mobileMenu h2 {
    font-size: 2em;
    margin-bottom: 1em;
    color: #5a5a7a;
}

#mobileMenu button {
    width: 100%;
    max-width: 75%px;
    height: 10%;
    padding: 0.9em 2em;
    border: 1px solid rgba(240,234,248,0.18);
    background: rgba(14,10,20,0.75);
    backdrop-filter: blur(12px);
    color: rgba(240,234,248,0.7);
    font-size: 2.2em;
    font-family: 'Inter', sans-serif;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.25s ease;
    border-radius: 2px;
}

#mobileMenu button:hover {
    border-color: #9b5de5;
    color: #f0eaf8;
    background: rgba(155,93,229,0.1);
    transform: translateY(-2px) scale(1.01);
}

#mobileMenu button:active {
    transform: scale(0.98);
    background: rgba(155,93,229,0.18);
}

#labels {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 5;
}

.label3d {
    position: absolute;
    color: rgba(255, 255, 255, 0.7);
    font-family: "Montserrat", sans-serif;
    font-size: 0.75em;
    font-weight: 600;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: opacity 0.3s ease;
    text-shadow: 0 0 10px rgba(180, 100, 180, 0.8);
    white-space: nowrap;
    pointer-events: none;
}

.label3d.visible {
    opacity: 1;
}

#tutorial {
    position: absolute;
    bottom: 2em;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255, 255, 255, 0.4);
    font-family: "Montserrat", sans-serif;
    font-size: 1.2em;
    letter-spacing: 0.2em;
    animation: pulse 2.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.4; }
    10%       { opacity: 1; }
}