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

body {
    background: #1a0a12;
    color: #f5ebdc;
    font-family: 'Nunito Sans', sans-serif;
    font-weight: 400;
    font-size: clamp(1rem, 1.2vw, 1.15rem);
    line-height: 1.75;
    letter-spacing: 0.01em;
    overflow-x: hidden;
}

#photons {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    width: 100%;
    height: 100%;
}

.chamber {
    position: relative;
    min-height: 100vh;
    z-index: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.chamber::after {
    content: '';
    position: absolute;
    top: 30%;
    left: -200px;
    width: 200px;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(245,235,220,0.08), transparent);
    pointer-events: none;
    opacity: 0;
}

.chamber.visible::after {
    animation: flare 600ms ease-in-out forwards;
}

@keyframes flare {
    from { left: -200px; opacity: 1; }
    to { left: calc(100% + 200px); opacity: 1; }
}

.chamber-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 1rem;
    padding: 0 4vw;
    width: 100%;
}

.void {
    min-height: 40vh;
}

/* Accent colors: #d4943a amber, #3d1428 deep claret */

.void-inner {
    min-height: 40vh;
}

/* Chamber 1 */
.display-heading {
    font-family: 'Nunito', sans-serif;
    font-weight: 800;
    font-size: clamp(3rem, 8vw, 7rem);
    line-height: 1.05;
    letter-spacing: -0.02em;
    color: #f5ebdc;
    grid-column: 1 / 5;
    transform: scale(0.92);
    opacity: 0;
    filter: blur(2px);
    transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.6s ease, filter 0.8s ease;
}

.visible .display-heading {
    transform: scale(1);
    opacity: 1;
    filter: blur(0);
}

.body-text {
    font-family: 'Nunito Sans', sans-serif;
    font-weight: 400;
    font-size: clamp(1rem, 1.2vw, 1.15rem);
    line-height: 1.75;
    letter-spacing: 0.01em;
    color: rgba(245, 235, 220, 0.85);
    max-width: 28ch;
    grid-column: 2 / 5;
}

/* Chamber 2 - Spectrum */
.chamber-2 {
    min-height: 120vh;
}

.spectrum-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    padding: 4rem;
}

.spectrum-phrase {
    font-family: 'Nunito Sans', sans-serif;
    font-weight: 600;
    font-size: clamp(1.2rem, 2vw, 1.5rem);
    color: #c4a882;
    margin-bottom: 4rem;
    max-width: 32ch;
    text-align: center;
    transform: scale(0.92);
    opacity: 0;
    filter: blur(2px);
    transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.6s ease, filter 0.8s ease;
}

.visible .spectrum-phrase {
    transform: scale(1);
    opacity: 1;
    filter: blur(0);
}

.spectrum-layout {
    position: relative;
    display: flex;
    height: 80vh;
}

.spectrum-strip {
    width: 4px;
    height: 100%;
    background: linear-gradient(to bottom, #2d0a4e, #4b0082, #0000ff, #00ff00, #ffff00, #ff8c00, #ff0000, #8b1a1a);
    border-radius: 2px;
}

.spectrum-labels {
    position: relative;
    margin-left: 1.5rem;
    height: 100%;
}

.label {
    position: absolute;
    font-family: 'Space Mono', monospace;
    font-size: clamp(0.7rem, 0.9vw, 0.85rem);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.label-violet { color: #7b4fbf; }
.chamber-2 .spectrum-strip { box-shadow: 0 0 8px #3d1428; }
.label-orange { border-bottom-color: #d4943a; }
.label-blue { color: #0000ff; }
.label-green { color: #00ff00; }
.label-yellow { color: #ffff00; }
.label-orange { color: #ff8c00; }
.label-red { color: #ff0000; }

/* Chamber 3 - Glow */
.chamber-3 .chamber-grid {
    justify-items: end;
}

.glow-word {
    font-family: 'Nunito', sans-serif;
    font-weight: 800;
    font-size: clamp(6rem, 12vw, 14rem);
    line-height: 1;
    color: #f5ebdc;
    grid-column: 8 / 12;
    text-shadow:
        0 0 20px rgba(232,67,106,0.4),
        0 0 60px rgba(232,67,106,0.15),
        0 0 120px rgba(232,67,106,0.05);
    transform: scale(0.92);
    opacity: 0;
    filter: blur(2px);
    transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.6s ease, filter 0.8s ease;
}

.visible .glow-word {
    transform: scale(1);
    opacity: 1;
    filter: blur(0);
}

.glow-text {
    grid-column: 9 / 12;
    max-width: 24ch;
}

/* Chamber 4 */
.isolated-sentence {
    font-family: 'Nunito', sans-serif;
    font-weight: 800;
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    line-height: 1.2;
    color: #f5ebdc;
    grid-column: 2 / 7;
    text-shadow: 0 0 40px rgba(232,67,106,0.15);
    transform: scale(0.92);
    opacity: 0;
    filter: blur(2px);
    transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.6s ease, filter 0.8s ease;
}

.visible .isolated-sentence {
    transform: scale(1);
    opacity: 1;
    filter: blur(0);
}

.chamber4-text {
    grid-column: 2 / 7;
    margin-top: 2rem;
}

/* Chamber 5 - Coda */
.coda-title {
    font-family: 'Nunito', sans-serif;
    font-weight: 800;
    font-size: clamp(2rem, 5vw, 4rem);
    color: #f5ebdc;
    grid-column: 1 / -1;
    text-align: center;
    animation: glow-cycle 12s linear infinite;
    transform: scale(0.92);
    opacity: 0;
    filter: blur(2px);
    transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.6s ease, filter 0.8s ease;
}

.visible .coda-title {
    transform: scale(1);
    opacity: 1;
    filter: blur(0);
}

@keyframes glow-cycle {
    0% { text-shadow: 0 0 40px rgba(232,67,106,0.3); }
    33% { text-shadow: 0 0 40px rgba(212,148,58,0.3); }
    66% { text-shadow: 0 0 40px rgba(123,79,191,0.3); }
    100% { text-shadow: 0 0 40px rgba(232,67,106,0.3); }
}

/* Scroll Indicator */
.scroll-indicator {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    font-size: 1.5rem;
    color: #e8436a;
    z-index: 10;
    animation: bounce 2s ease-in-out infinite;
    transition: opacity 0.5s ease;
}

.scroll-indicator.hidden {
    opacity: 0;
    pointer-events: none;
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
}