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

:root {
    --bg-primary: #0d0a07;
    --bg-secondary: #1a140e;
    --brass: #d4952e;
    --gold: #f0cf8a;
    --brass-dark: #a87425;
    --cyan: #00e5ff;
    --magenta: #e040fb;
    --violet: #7c4dff;
    --parchment: #e8dcc8;
    --smoke: #8a7e6b;
    --ember: #ff6b35;
}

html {
    scroll-behavior: smooth;
}

body {
    background: var(--bg-primary);
    color: var(--parchment);
    font-family: 'Cormorant Garamond', serif;
    font-weight: 300;
    font-size: clamp(1.1rem, 1.8vw, 1.35rem);
    line-height: 1.75;
    letter-spacing: 0.02em;
    overflow-x: hidden;
}

/* === THE DOOR === */
.door {
    height: 100vh;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    background:
        linear-gradient(175deg, rgba(26,20,14,0.4) 0%, transparent 40%),
        linear-gradient(190deg, rgba(13,10,7,0.8) 0%, rgba(26,20,14,0.6) 50%, rgba(13,10,7,0.9) 100%),
        linear-gradient(95deg, #1a140e 0%, #0d0a07 25%, #1a140e 50%, #0d0a07 75%, #1a140e 100%),
        linear-gradient(180deg, #0d0a07 0%, #1a140e 100%);
}

.door-content {
    text-align: center;
}

.wordmark {
    font-family: 'Bebas Neue', sans-serif;
    font-size: clamp(4rem, 15vw, 12rem);
    font-weight: 400;
    letter-spacing: 0.08em;
    line-height: 0.95;
    text-transform: uppercase;
    background: linear-gradient(175deg, #d4952e 0%, #f0cf8a 35%, #d4952e 50%, #a87425 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.door-tagline {
    margin-top: 60px;
    font-size: 1.2rem;
    color: var(--parchment);
    font-weight: 300;
}

.chevron {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-top: 10px solid var(--brass);
    animation: pulse-chevron 3s ease-in-out infinite;
}

@keyframes pulse-chevron {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.8; }
}

/* === THE THRESHOLD === */
.threshold {
    height: 80vh;
    position: relative;
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
}

.aurora-leak {
    position: absolute;
    bottom: 20%;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, transparent 10%, rgba(0,229,255,0.3) 30%, rgba(224,64,251,0.2) 50%, rgba(124,77,255,0.3) 70%, transparent 90%);
    opacity: 0;
    transition: opacity 1.5s ease;
}

.aurora-leak.visible {
    opacity: 0.8;
}

/* === CHAMBERS === */
.chamber {
    min-height: 100vh;
    padding: 20vh 20px;
    position: relative;
    background: var(--bg-primary);
}

.chamber-inner {
    max-width: 900px;
    position: relative;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 800ms cubic-bezier(0.25, 0.46, 0.45, 0.94),
                transform 800ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.chamber-inner.revealed {
    opacity: 1;
    transform: translateY(0);
}

.chamber-left .chamber-inner {
    margin-left: 30px;
    margin-right: auto;
}

.chamber-right .chamber-inner {
    margin-left: auto;
    margin-right: 30px;
}

.chamber-center .chamber-inner {
    margin-left: auto;
    margin-right: auto;
}

.chamber-label {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.75rem;
    font-weight: 400;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--cyan);
    text-shadow: 0 0 8px rgba(0,229,255,0.4);
    position: absolute;
    top: 0;
    right: 0;
}

.chamber-title {
    font-family: 'Bebas Neue', sans-serif;
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 400;
    letter-spacing: 0.08em;
    line-height: 0.95;
    text-transform: uppercase;
    background: linear-gradient(175deg, #d4952e 0%, #f0cf8a 35%, #d4952e 50%, #a87425 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-top: 40px;
    margin-bottom: 30px;
}

.chamber-text {
    max-width: 600px;
    color: var(--parchment);
}

.ember-word {
    text-decoration: underline;
    text-decoration-color: var(--ember);
    text-underline-offset: 4px;
    -webkit-text-fill-color: var(--parchment);
}

/* Collage */
.collage {
    position: absolute;
    top: -20px;
    left: -40px;
    width: 300px;
    height: 200px;
    z-index: 0;
    pointer-events: none;
}

.chamber-right .collage {
    left: auto;
    right: -40px;
}

.chamber-center .collage {
    left: 50%;
    transform: translateX(-50%);
}

.swatch {
    position: absolute;
    width: 120px;
    height: 80px;
    border-radius: 2px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.5), 0 1px 3px rgba(0,0,0,0.3);
    opacity: 0;
    transition: opacity 600ms ease, transform 600ms ease;
}

.chamber-inner.revealed .swatch {
    opacity: 0.6;
}

.chamber-inner.revealed .swatch:nth-child(1) {
    transition-delay: 150ms;
}
.chamber-inner.revealed .swatch:nth-child(2) {
    transition-delay: 300ms;
}
.chamber-inner.revealed .swatch:nth-child(3) {
    transition-delay: 450ms;
}

.swatch-leather {
    top: 20px;
    left: 0;
    transform: rotate(-2deg);
    background:
        repeating-linear-gradient(45deg, rgba(168,116,37,0.1) 0px, transparent 2px, transparent 4px),
        linear-gradient(180deg, #2a1f14 0%, #1a140e 100%);
}

.chamber-inner.revealed .swatch-leather {
    transform: rotate(-1.5deg);
}

.swatch-metal {
    top: 0;
    left: 80px;
    transform: rotate(2deg);
    background:
        repeating-linear-gradient(0deg, rgba(212,149,46,0.08) 0px, transparent 1px, transparent 3px),
        linear-gradient(180deg, #3a3028 0%, #1a140e 100%);
}

.chamber-inner.revealed .swatch-metal {
    transform: rotate(1deg);
}

.swatch-aurora {
    top: 40px;
    left: 40px;
    transform: rotate(1deg);
    background: linear-gradient(135deg, rgba(0,229,255,0.2), rgba(224,64,251,0.15), rgba(124,77,255,0.2));
    background-size: 400% 400%;
    animation: aurora 20s ease infinite;
}

.chamber-inner.revealed .swatch-aurora {
    transform: rotate(0.5deg);
}

.swatch-wood {
    top: 10px;
    left: 10px;
    transform: rotate(-1deg);
    background:
        linear-gradient(90deg, rgba(26,20,14,0.9) 0%, rgba(42,31,20,0.7) 20%, rgba(26,20,14,0.9) 40%, rgba(42,31,20,0.7) 60%, rgba(26,20,14,0.9) 80%, rgba(42,31,20,0.7) 100%),
        linear-gradient(180deg, #1a140e 0%, #0d0a07 100%);
}

.chamber-inner.revealed .swatch-wood {
    transform: rotate(-0.5deg);
}

/* Aurora Edge */
.aurora-edge {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    border-image: linear-gradient(90deg, transparent, #00e5ff, #e040fb, #7c4dff, transparent) 1;
    border-top: 2px solid;
    border-image: linear-gradient(90deg, transparent, #00e5ff, #e040fb, #7c4dff, transparent) 1;
}

.aurora-edge-pulse {
    animation: edge-pulse 4s ease-in-out infinite;
}

@keyframes edge-pulse {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}

/* === AURORA CORRIDOR === */
.aurora-corridor {
    height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: linear-gradient(135deg, transparent 20%, rgba(0,229,255,0.06) 35%, rgba(224,64,251,0.04) 50%, rgba(124,77,255,0.06) 65%, transparent 80%);
    background-size: 400% 400%;
    animation: aurora 20s ease infinite;
}

@keyframes aurora {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.corridor-whisper {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.7rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--smoke);
}

/* === TERMINAL ALCOVE === */
.terminal {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background:
        linear-gradient(175deg, rgba(26,20,14,0.3) 0%, transparent 40%),
        linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 50%, var(--bg-primary) 100%);
}

.terminal-inner {
    text-align: center;
    padding: 80px 40px;
    box-shadow: inset 0 2px 15px rgba(0,0,0,0.6);
    border-radius: 2px;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 800ms cubic-bezier(0.25, 0.46, 0.45, 0.94),
                transform 800ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.terminal-inner.revealed {
    opacity: 1;
    transform: translateY(0);
}

.terminal-title {
    font-family: 'Bebas Neue', sans-serif;
    font-size: clamp(5rem, 20vw, 16rem);
    font-weight: 400;
    letter-spacing: 0.08em;
    line-height: 0.95;
    text-transform: uppercase;
    background: linear-gradient(180deg, #f0cf8a 0%, #d4952e 40%, #00e5ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.terminal-closing {
    margin-top: 40px;
    font-style: italic;
    font-size: 1.2rem;
    color: var(--parchment);
}