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

:root {
    --teal-deep: #1a5c5a;
    --teal-dark: #0e2a2e;
    --teal-mid: #6bb8a8;
    --teal-light: #8ed8c8;
    --teal-soft: #7ec8b8;
    --cream: #f0f5f2;
    --gold: #c8a84c;
    --coral: #e8725c;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'DM Sans', sans-serif;
    background-color: var(--cream);
    color: var(--teal-dark);
    overflow-x: hidden;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 3rem;
    z-index: 100;
    background-color: var(--cream);
    border-bottom: 2px solid var(--teal-deep);
}

.nav-logo {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 1rem;
    font-weight: 500;
    color: var(--teal-deep);
    letter-spacing: 0.05em;
}

.nav-rooms {
    display: flex;
    gap: 1.5rem;
}

.nav-link {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.8rem;
    color: var(--teal-mid);
    text-decoration: none;
    padding: 0.3rem 0.6rem;
    border: 1px solid transparent;
    transition: color 0.3s, border-color 0.3s;
}

.nav-link.active {
    color: var(--teal-deep);
    border-color: var(--teal-deep);
}

/* Room Sections */
.room {
    min-height: 100vh;
    padding: 8rem 3rem 4rem;
    display: flex;
    align-items: center;
}

.room:nth-child(odd) {
    background-color: var(--cream);
}

.room:nth-child(even) {
    background-color: var(--teal-dark);
}

.room:nth-child(even) .room-content {
    color: var(--cream);
}

.room:nth-child(even) .room-number {
    color: var(--teal-mid);
}

.room:nth-child(even) .room-title {
    color: var(--cream);
}

.room:nth-child(even) .study-card {
    background-color: #1a3a3e;
    border-color: var(--teal-mid);
}

.room:nth-child(even) .card-text {
    color: var(--cream);
}

/* Room Grid - 5 column asymmetric */
.room-grid {
    display: grid;
    grid-template-columns: 0.8fr 1.6fr 0.4fr 1.2fr 1fr;
    gap: 2rem;
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    align-items: center;
}

.room-crystal {
    grid-column: 1 / 2;
}

.room-content {
    grid-column: 2 / 4;
}

.room-data {
    grid-column: 4 / 6;
}

/* Crystal SVGs */
.crystal {
    width: 100%;
    max-width: 160px;
    display: block;
    transition: transform 0.6s cubic-bezier(0.23, 1, 0.32, 1);
}

.crystal:hover {
    transform: rotate(5deg) scale(1.05);
}

/* Room Content */
.room-number {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--teal-mid);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    display: block;
    margin-bottom: 0.5rem;
}

.room-title {
    font-family: 'Cormorant Garamond', serif;
    font-size: clamp(2.4rem, 6vw, 5.5rem);
    font-weight: 600;
    line-height: 1.08;
    letter-spacing: -0.02em;
    color: var(--teal-deep);
    margin-bottom: 2rem;
}

/* Study Cards - Tilted Card System */
.study-card {
    background-color: white;
    border: 2px solid var(--teal-deep);
    padding: 1.5rem 2rem;
    margin-bottom: 1.2rem;
    transform: rotate(-1deg);
    transition: transform 0.4s cubic-bezier(0.23, 1, 0.32, 1);
    transform-style: preserve-3d;
    perspective: 800px;
}

.study-card:nth-child(odd) {
    transform: rotate(0.5deg);
}

.study-card:hover {
    transform: rotate(0deg) translateY(-4px);
}

.card-text {
    font-family: 'DM Sans', sans-serif;
    font-size: 1rem;
    line-height: 1.6;
    color: var(--teal-dark);
}

.highlight {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.9rem;
    background-color: var(--teal-light);
    padding: 0.1em 0.4em;
    color: var(--teal-dark);
}

/* Data Visualizations */
.data-viz {
    padding: 1.5rem;
}

/* Bar chart viz */
#viz-timeline {
    display: flex;
    align-items: flex-end;
    gap: 0.8rem;
    height: 200px;
}

.viz-bar {
    flex: 1;
    height: var(--height);
    background-color: var(--color);
    position: relative;
    transition: height 0.8s cubic-bezier(0.23, 1, 0.32, 1);
}

.viz-label {
    position: absolute;
    bottom: -1.8rem;
    left: 50%;
    transform: translateX(-50%);
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.65rem;
    color: var(--teal-deep);
    white-space: nowrap;
}

/* Flow diagram */
#viz-flow {
    position: relative;
    height: 200px;
}

.flow-node {
    position: absolute;
    left: var(--x);
    top: var(--y);
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.75rem;
    padding: 0.5rem 0.8rem;
    border: 2px solid var(--teal-mid);
    color: var(--cream);
    background-color: var(--teal-deep);
    transition: transform 0.3s;
}

.flow-node:hover {
    transform: scale(1.1);
}

/* Comparison bars */
#viz-comparison {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.compare-row {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.compare-label {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.7rem;
    width: 90px;
    flex-shrink: 0;
    color: var(--teal-deep);
}

.compare-bar {
    height: 24px;
    width: var(--width);
    background-color: var(--color);
    transition: width 1s cubic-bezier(0.23, 1, 0.32, 1);
}

/* Tier diagram */
#viz-tiers {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
}

.tier {
    padding: 1rem 2rem;
    text-align: center;
    border: 2px solid var(--teal-mid);
    width: 100%;
}

.tier-1 {
    background-color: var(--teal-deep);
    color: var(--cream);
}

.tier-2 {
    background-color: var(--teal-mid);
    color: var(--teal-dark);
}

.tier-3 {
    background-color: var(--teal-light);
    color: var(--teal-dark);
}

.tier-label {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.8rem;
    font-weight: 500;
}

.tier-connector {
    width: 2px;
    height: 20px;
    background-color: var(--teal-mid);
}

/* Map stats */
#viz-map {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.map-stat {
    display: flex;
    align-items: baseline;
    gap: 1rem;
}

.stat-number {
    font-family: 'Cormorant Garamond', serif;
    font-size: 3rem;
    font-weight: 700;
    color: var(--gold);
    line-height: 1;
}

.stat-label {
    font-family: 'DM Sans', sans-serif;
    font-size: 0.9rem;
    color: var(--teal-deep);
}

/* Future items */
#viz-future {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.2rem;
}

.future-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 1rem;
    border: 2px solid var(--teal-mid);
    background-color: white;
}

.future-icon {
    font-size: 1.5rem;
    color: var(--gold);
}

.future-text {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.8rem;
    color: var(--teal-deep);
}

/* Footer */
.footer {
    padding: 3rem;
    text-align: center;
    background-color: var(--teal-dark);
    border-top: 2px solid var(--teal-mid);
}

.footer-text {
    font-family: 'DM Sans', sans-serif;
    font-size: 0.9rem;
    color: var(--teal-light);
    margin-bottom: 0.5rem;
}

.footer-mono {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.75rem;
    color: var(--teal-mid);
}

/* Scroll animations */
.room-content,
.room-crystal,
.room-data {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.23, 1, 0.32, 1);
}

.room.visible .room-content,
.room.visible .room-crystal,
.room.visible .room-data {
    opacity: 1;
    transform: translateY(0);
}

.room.visible .room-crystal {
    transition-delay: 0.1s;
}

.room.visible .room-data {
    transition-delay: 0.3s;
}

/* Responsive */
@media (max-width: 900px) {
    .room-grid {
        grid-template-columns: 1fr;
    }

    .room-crystal,
    .room-content,
    .room-data {
        grid-column: 1;
    }

    .room-crystal {
        max-width: 100px;
    }

    .nav {
        padding: 1rem 1.5rem;
    }

    .room {
        padding: 6rem 1.5rem 3rem;
    }
}