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

:root {
    --burnt-orange: #c75b12;
    --deep-brown: #1c1610;
    --bright-orange: #ff7b2e;
    --muted-gold: #a8883a;
    --dark-brown: #2a1f14;
    --parchment: #e8dcc8;
    --warm-grey: #9a8b73;
}

body {
    background-color: var(--deep-brown);
    color: var(--parchment);
    font-family: 'Source Serif 4', serif;
    font-size: 18px;
    line-height: 1.7;
    overflow-x: hidden;
}

.paper-texture {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 1000;
    background-image:
        repeating-radial-gradient(circle at 20% 50%, rgba(232, 220, 200, 0.03) 0%, transparent 1%),
        repeating-radial-gradient(circle at 80% 20%, rgba(232, 220, 200, 0.04) 0%, transparent 0.5%),
        repeating-radial-gradient(circle at 50% 80%, rgba(154, 139, 115, 0.03) 0%, transparent 1.5%);
}

/* Hero */
.hero {
    height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
}

.site-title {
    font-family: 'Playfair Display', serif;
    font-weight: 700;
    font-style: italic;
    font-size: clamp(4rem, 12vw, 10rem);
    letter-spacing: -0.03em;
    color: var(--parchment);
    text-align: center;
}

.title-dot {
    color: var(--burnt-orange);
}

.subtitle {
    font-family: 'Space Mono', monospace;
    font-size: 0.85rem;
    color: var(--warm-grey);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-top: 1rem;
}

.scroll-indicator {
    position: absolute;
    bottom: 3rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    opacity: 0.6;
    animation: pulse-fade 3s ease-in-out infinite;
}

.scroll-text {
    font-family: 'Space Mono', monospace;
    font-size: 0.7rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--warm-grey);
}

.scroll-arrow {
    width: 1px;
    height: 30px;
    background: linear-gradient(to bottom, var(--burnt-orange), transparent);
}

@keyframes pulse-fade {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 0.2; }
}

/* Timeline */
.timeline-container {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    padding: 6rem 2rem 10rem;
}

.timeline-spine {
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 1px;
    background: var(--burnt-orange);
    box-shadow: 0 0 4px var(--burnt-orange), 0 0 8px rgba(199, 91, 18, 0.3);
    transform: translateX(-50%);
}

/* Nodes */
.timeline-node {
    position: relative;
    width: 45%;
    margin-bottom: 6rem;
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.timeline-node.visible {
    opacity: 1;
    transform: translateY(0);
}

.node-left {
    margin-right: auto;
    text-align: right;
    padding-right: 3rem;
}

.node-right {
    margin-left: auto;
    text-align: left;
    padding-left: 3rem;
}

.node-marker {
    position: absolute;
    top: 0.5rem;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--dark-brown);
    border: 2px solid var(--burnt-orange);
    box-shadow: 0 0 6px rgba(199, 91, 18, 0.5);
    transition: background 0.3s ease, box-shadow 0.3s ease;
}

.node-left .node-marker {
    right: -5px;
}

.node-right .node-marker {
    left: -5px;
}

.timeline-node.visible .node-marker {
    background: var(--burnt-orange);
    box-shadow: 0 0 12px rgba(255, 123, 46, 0.6);
}

.node-content {
    background: rgba(42, 31, 20, 0.6);
    border: 1px solid rgba(168, 136, 58, 0.15);
    padding: 2rem;
    border-radius: 2px;
    transition: border-color 0.4s ease;
}

.timeline-node.visible .node-content {
    border-color: rgba(168, 136, 58, 0.35);
}

.node-timestamp {
    font-family: 'Space Mono', monospace;
    font-size: 0.7rem;
    color: var(--muted-gold);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    display: block;
    margin-bottom: 0.75rem;
}

.node-title {
    font-family: 'Playfair Display', serif;
    font-weight: 700;
    font-size: clamp(1.5rem, 3vw, 2.2rem);
    color: var(--parchment);
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.node-body {
    color: rgba(232, 220, 200, 0.8);
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 1.25rem;
}

.node-tag {
    font-family: 'Space Mono', monospace;
    font-size: 0.65rem;
    color: var(--burnt-orange);
    letter-spacing: 0.1em;
    opacity: 0.7;
}

/* Colophon */
.colophon {
    text-align: center;
    padding: 6rem 2rem 4rem;
}

.colophon-text {
    font-family: 'Space Mono', monospace;
    font-size: 0.8rem;
    color: var(--warm-grey);
    letter-spacing: 0.1em;
}

.colophon-mark {
    font-size: 2rem;
    color: var(--burnt-orange);
    margin-top: 2rem;
    opacity: 0.6;
}

/* Responsive */
@media (max-width: 600px) {
    .timeline-spine {
        left: 1.5rem;
    }

    .timeline-node {
        width: 100%;
        padding-left: 3rem;
        padding-right: 0;
        text-align: left;
    }

    .node-left {
        margin-right: 0;
        text-align: left;
        padding-right: 0;
        padding-left: 3rem;
    }

    .node-right {
        padding-left: 3rem;
    }

    .node-left .node-marker,
    .node-right .node-marker {
        left: calc(1.5rem - 5px);
        right: auto;
    }
}