:root {
    --aged-ink: #3a2a1a;
    --worn-ink: #4a3a2a;
    --faded-type: #8a7a6a;
    --parchment: #f0e8d4;
    --archive-cream: #faf4e4;
    --sepia-gold: #a08050;
    --crisis-crimson: #8b3a3a;
    --dark-burgundy: #6a2a2a;
}

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

body {
    font-family: 'Libre Caslon Text', serif;
    background: var(--parchment);
    color: var(--aged-ink);
    overflow-x: hidden;
    position: relative;
}

/* Paper Texture */
.paper-texture {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    opacity: 0.04;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.6' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
}

/* Timeline Spine */
.timeline-spine {
    position: fixed;
    top: 0;
    left: 50%;
    width: 2px;
    height: 100%;
    z-index: 1;
    pointer-events: none;
    transform: translateX(-50%);
}

.spine-line {
    width: 100%;
    height: 100%;
    background: var(--sepia-gold);
    opacity: 0.3;
}

/* Hero Section */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 2;
    text-align: center;
}

.hero-content {
    max-width: 600px;
    padding: 2rem;
}

.hero-date {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 1.5rem;
}

.date-month {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.8rem;
    font-weight: 400;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--sepia-gold);
}

.date-number {
    font-family: 'Playfair Display', serif;
    font-size: clamp(4rem, 10vw, 12rem);
    font-weight: 900;
    color: var(--aged-ink);
    line-height: 1;
    opacity: 0.15;
}

.hero-title {
    font-family: 'Playfair Display', serif;
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 700;
    color: var(--aged-ink);
    letter-spacing: 0.03em;
    margin-bottom: 0.5rem;
}

.hero-subtitle {
    font-family: 'Libre Caslon Text', serif;
    font-size: 1rem;
    font-weight: 400;
    color: var(--faded-type);
    font-style: italic;
    margin-bottom: 2rem;
}

.scroll-cue {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.cue-text {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.65rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--faded-type);
}

.cue-arrow {
    width: 12px;
    height: 12px;
    border-right: 1.5px solid var(--sepia-gold);
    border-bottom: 1.5px solid var(--sepia-gold);
    transform: rotate(45deg);
    animation: cueDown 2s ease-in-out infinite;
}

@keyframes cueDown {
    0%, 100% { transform: rotate(45deg) translate(0, 0); }
    50% { transform: rotate(45deg) translate(3px, 3px); }
}

/* Timeline */
.timeline {
    position: relative;
    z-index: 2;
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem;
}

/* Timeline Events */
.timeline-event {
    display: flex;
    align-items: flex-start;
    margin-bottom: 4rem;
    position: relative;
}

.event-left {
    justify-content: flex-start;
    padding-right: 55%;
}

.event-right {
    justify-content: flex-end;
    padding-left: 55%;
}

/* Year Marker */
.event-year-marker {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    z-index: 3;
}

.year-dot {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--sepia-gold);
    border: 2px solid var(--parchment);
}

.year-label {
    font-family: 'Playfair Display', serif;
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 700;
    color: var(--aged-ink);
    opacity: 0.1;
    margin-top: 0.25rem;
    white-space: nowrap;
}

/* Event Card */
.event-card {
    background: var(--archive-cream);
    padding: 2rem;
    border: 1px solid rgba(160, 128, 80, 0.2);
    box-shadow: 0 4px 20px rgba(58, 42, 26, 0.06);
    position: relative;
    max-width: 400px;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.card-date {
    margin-bottom: 0.5rem;
}

.card-year {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    color: var(--sepia-gold);
}

.event-title {
    font-family: 'Playfair Display', serif;
    font-size: clamp(1.2rem, 2.5vw, 1.6rem);
    font-weight: 700;
    color: var(--aged-ink);
    margin-bottom: 0.75rem;
    line-height: 1.3;
}

.event-body {
    font-family: 'Libre Caslon Text', serif;
    font-size: 0.9rem;
    font-weight: 400;
    line-height: 1.75;
    color: var(--worn-ink);
    margin-bottom: 1rem;
}

.event-category {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.6rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    padding: 0.3rem 0.6rem;
    display: inline-block;
}

.crisis-tag {
    color: var(--crisis-crimson);
    border: 1px solid var(--crisis-crimson);
}

.revolution-tag {
    color: var(--dark-burgundy);
    border: 1px solid var(--dark-burgundy);
}

/* Footer */
.site-footer {
    position: relative;
    z-index: 2;
    padding: 3rem 2rem;
    border-top: 1px solid rgba(160, 128, 80, 0.2);
}

.footer-content {
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: baseline;
}

.footer-domain {
    font-family: 'Playfair Display', serif;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--aged-ink);
}

.footer-note {
    font-family: 'Libre Caslon Text', serif;
    font-size: 0.85rem;
    font-style: italic;
    color: var(--faded-type);
}

/* Responsive */
@media (max-width: 768px) {
    .timeline-spine {
        left: 20%;
    }

    .event-left,
    .event-right {
        padding-left: 30%;
        padding-right: 0;
        justify-content: flex-start;
    }

    .event-year-marker {
        left: 20%;
    }

    .event-card {
        max-width: 100%;
    }

    .footer-content {
        flex-direction: column;
        gap: 0.5rem;
    }
}