/* mujun.art - Art Gallery of Paradox / 矛盾 */
/* Spatial contradiction as layout principle */

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

:root {
    --black: #0c0c0c;
    --near-black: #2a2a2a;
    --gray-dark: #888888;
    --gray-mid: #a0a0a0;
    --parchment: #f8f4ef;
    --parchment-warm: #e8e4df;
    --declared-red: #2244aa;
    --declared-blue: #c84030;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--parchment);
    color: var(--black);
    font-family: 'Source Sans 3', sans-serif;
    font-weight: 400;
    font-size: clamp(0.9rem, 1.5vw, 1.05rem);
    line-height: 1.75;
    overflow-x: hidden;
}

/* ========== ROOMS (SECTIONS) ========== */

.room {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.room-inner {
    padding: 4rem 2rem;
    max-width: 800px;
    width: 100%;
    text-align: center;
}

.room-heading {
    font-family: 'Playfair Display', Georgia, serif;
    font-weight: 700;
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    letter-spacing: -0.02em;
    color: var(--black);
    margin-bottom: 2.5rem;
}

.room-caption {
    font-family: 'Source Sans 3', sans-serif;
    font-weight: 300;
    font-size: clamp(0.8rem, 1.3vw, 0.95rem);
    color: var(--gray-dark);
    font-style: italic;
    margin-top: 2rem;
}

/* ========== ROOM 1: ENTRANCE PARADOX ========== */

.room-entrance {
    background: var(--black);
    color: var(--parchment);
}

.entrance-flip {
    transform: rotate(180deg);
}

.entrance-content {
    transform: rotate(180deg);
    position: relative;
}

.entrance-title {
    font-family: 'Playfair Display', Georgia, serif;
    font-weight: 900;
    font-size: clamp(2rem, 6vw, 5rem);
    letter-spacing: -0.02em;
    color: var(--parchment);
    margin-bottom: 0.5rem;
    opacity: 0;
    animation: fadeInUp 1s ease 0.5s forwards;
}

.entrance-subtitle {
    font-family: 'Source Sans 3', sans-serif;
    font-weight: 300;
    font-size: clamp(0.85rem, 1.8vw, 1.1rem);
    color: var(--gray-mid);
    margin-bottom: 1rem;
    opacity: 0;
    animation: fadeIn 0.8s ease 1.2s forwards;
}

.entrance-note {
    font-family: 'JetBrains Mono', monospace;
    font-weight: 300;
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    color: var(--gray-dark);
    opacity: 0;
    animation: fadeIn 0.8s ease 1.8s forwards;
}

.spear-ghost {
    position: absolute;
    font-size: clamp(8rem, 20vw, 16rem);
    color: var(--parchment);
    opacity: 0.03;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-family: serif;
    pointer-events: none;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
    to { opacity: 1; }
}

/* ========== ROOM 2: COLOR LIE ========== */

.room-color {
    background: var(--parchment-warm);
}

.color-paradox-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    max-width: 500px;
    margin: 0 auto;
}

.color-swatch {
    aspect-ratio: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--parchment);
    border: 2px solid var(--near-black);
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.color-swatch.visible {
    opacity: 1;
    transform: scale(1);
}

.swatch-label {
    font-family: 'JetBrains Mono', monospace;
    font-weight: 400;
    font-size: 0.65rem;
    letter-spacing: 0.15em;
    margin-bottom: 0.3rem;
}

.swatch-value {
    font-family: 'JetBrains Mono', monospace;
    font-weight: 300;
    font-size: 0.6rem;
    opacity: 0.6;
}

/* ========== ROOM 3: MIRROR ROOM ========== */

.room-mirror {
    background: var(--parchment);
    position: relative;
}

.mirror-pair {
    display: flex;
    flex-direction: column;
    gap: 0;
    max-width: 500px;
    margin: 0 auto;
}

.mirror-panel {
    padding: 2rem;
    border: 1px solid var(--gray-mid);
}

.mirror-original {
    background: var(--black);
    color: var(--parchment);
}

.mirror-reflected {
    background: var(--parchment);
    color: var(--black);
    transform: scaleY(-1);
}

.mirror-text {
    font-family: 'Playfair Display', Georgia, serif;
    font-weight: 400;
    font-size: clamp(1rem, 2vw, 1.3rem);
    font-style: italic;
    line-height: 1.6;
}

.shield-dense {
    position: absolute;
    right: 5%;
    bottom: 10%;
    font-size: clamp(2rem, 5vw, 4rem);
    color: var(--black);
    opacity: 0.8;
    font-family: serif;
    font-weight: bold;
}

/* ========== ROOM 4: IMPOSSIBLE FRAME ========== */

.room-frame {
    background: var(--near-black);
    color: var(--parchment);
}

.room-frame .room-heading {
    color: var(--parchment);
}

.impossible-frame {
    position: relative;
    max-width: 500px;
    margin: 0 auto 2rem;
}

.frame-border {
    position: relative;
}

.frame-svg {
    width: 100%;
    height: auto;
}

.frame-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    width: 80%;
}

.frame-text {
    font-family: 'Playfair Display', Georgia, serif;
    font-weight: 700;
    font-size: clamp(1rem, 2.5vw, 1.5rem);
    color: var(--parchment);
    font-style: italic;
    line-height: 1.5;
    margin-bottom: 0.5rem;
}

.frame-attribution {
    font-family: 'Source Sans 3', sans-serif;
    font-weight: 300;
    font-size: 0.8rem;
    color: var(--gray-mid);
}

.frame-annotation {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.annotation-label {
    font-family: 'JetBrains Mono', monospace;
    font-weight: 400;
    font-size: 0.6rem;
    letter-spacing: 0.1em;
    color: var(--declared-blue);
}

.annotation-text {
    font-family: 'Source Sans 3', sans-serif;
    font-weight: 300;
    font-size: 0.8rem;
    color: var(--gray-mid);
    font-style: italic;
}

/* ========== ROOM 5: EXIT/ENTRANCE ========== */

.room-exit {
    background: var(--black);
    color: var(--parchment);
}

.exit-content {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 1s ease, transform 1s ease;
}

.exit-content.visible {
    opacity: 1;
    transform: translateY(0);
}

.exit-statement {
    font-family: 'Source Sans 3', sans-serif;
    font-weight: 400;
    font-size: clamp(0.9rem, 1.5vw, 1.1rem);
    color: var(--gray-mid);
    margin-bottom: 0.5rem;
}

.exit-contradiction {
    font-family: 'Playfair Display', Georgia, serif;
    font-weight: 700;
    font-size: clamp(1.3rem, 3vw, 2rem);
    color: var(--parchment);
    margin-bottom: 2rem;
}

.exit-characters {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-bottom: 2rem;
}

.char-spear {
    font-size: clamp(3rem, 8vw, 6rem);
    font-family: serif;
    opacity: 0.1;
    color: var(--parchment);
}

.char-shield {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    font-family: serif;
    font-weight: bold;
    color: var(--parchment);
    opacity: 0.9;
}

.exit-domain {
    font-family: 'JetBrains Mono', monospace;
    font-weight: 300;
    font-size: 0.7rem;
    letter-spacing: 0.2em;
    color: var(--gray-dark);
}

/* ========== RESPONSIVE ========== */

@media (max-width: 600px) {
    .room-inner {
        padding: 3rem 1.5rem;
    }

    .color-paradox-grid {
        grid-template-columns: 1fr;
        max-width: 250px;
    }
}