/* prototype.quest - Cartographic Chronicle Styles */

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

:root {
    --parchment: #F5EDDA;
    --parchment-dark: #EDE4CE;
    --ink-dark: #2A1F14;
    --ink-medium: #7A6B55;
    --ink-warm: #8B7355;
    --teal-accent: #3A6B6B;
    --crimson-accent: #8B3A2A;
    --brown-deep: #6B4E2F;
}

body {
    background-color: var(--parchment);
    color: var(--ink-dark);
    font-family: 'Crimson Text', Georgia, serif;
    font-size: 1.05rem;
    line-height: 1.85;
    overflow-x: hidden;
    position: relative;
}

#paper-texture {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    background-image:
        url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
    opacity: 0.6;
}

#contour-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

/* Hero Section */
#hero {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    text-align: center;
    padding: 2rem;
}

#compass-rose-hero {
    opacity: 0;
    animation: compassDraw 2s ease-out 0.5s forwards;
}

@keyframes compassDraw {
    0% {
        opacity: 0;
        transform: scale(0.5) rotate(-180deg);
    }
    60% {
        opacity: 1;
        transform: scale(1.05) rotate(10deg);
    }
    100% {
        opacity: 1;
        transform: scale(1) rotate(0deg);
    }
}

.compass-label {
    font-family: 'IM Fell English', serif;
    font-size: 10px;
    fill: var(--ink-medium);
}

#site-title {
    font-family: 'Playfair Display', serif;
    font-size: clamp(2rem, 5vw, 4rem);
    font-weight: 700;
    letter-spacing: 0.03em;
    color: var(--ink-dark);
    margin-top: 2rem;
    opacity: 0;
    animation: fadeInUp 1.2s ease-out 2s forwards;
}

#site-subtitle {
    font-family: 'IM Fell English', serif;
    font-style: italic;
    font-size: 1.2rem;
    color: var(--ink-medium);
    margin-top: 0.8rem;
    opacity: 0;
    animation: fadeInUp 1.2s ease-out 2.4s forwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Timeline Section */
#timeline {
    position: relative;
    z-index: 1;
    max-width: 1100px;
    margin: 0 auto;
    padding: 4rem 2rem 6rem;
}

.timeline-line {
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(
        to bottom,
        transparent,
        rgba(139, 115, 85, 0.4) 5%,
        rgba(139, 115, 85, 0.4) 95%,
        transparent
    );
    transform: translateX(-50%);
}

/* Timeline Nodes */
.timeline-node {
    position: relative;
    display: flex;
    align-items: flex-start;
    margin-bottom: 5rem;
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

.timeline-node[data-side="left"] {
    flex-direction: row-reverse;
}

.timeline-node[data-side="right"] {
    flex-direction: row;
}

.node-marker {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    width: 40px;
    height: 40px;
}

.compass-node {
    transition: transform 0.6s ease-out;
}

.timeline-node.visible .compass-node {
    transform: rotate(45deg);
}

/* Timeline Panels */
.timeline-panel {
    width: 42%;
    background: rgba(245, 237, 218, 0.85);
    border: 1px solid rgba(139, 115, 85, 0.25);
    padding: 2rem 2.5rem;
    position: relative;
}

.timeline-node[data-side="left"] .timeline-panel {
    margin-right: auto;
    margin-left: 0;
    text-align: right;
}

.timeline-node[data-side="right"] .timeline-panel {
    margin-left: auto;
    margin-right: 0;
    text-align: left;
}

.panel-label {
    font-family: 'IM Fell English', serif;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--teal-accent);
    display: block;
    margin-bottom: 0.5rem;
}

.timeline-panel h2 {
    font-family: 'Playfair Display', serif;
    font-size: clamp(1.3rem, 2.5vw, 1.8rem);
    font-weight: 700;
    color: var(--ink-dark);
    margin-bottom: 1rem;
    letter-spacing: 0.02em;
}

.timeline-panel p {
    font-family: 'Crimson Text', Georgia, serif;
    font-size: 1.05rem;
    line-height: 1.85;
    color: var(--ink-dark);
}

.panel-decoration {
    margin-top: 1.5rem;
    opacity: 0.6;
}

.timeline-node[data-side="left"] .panel-decoration {
    display: flex;
    justify-content: flex-end;
}

/* Bridge Lines from panel to node */
.timeline-panel::after {
    content: '';
    position: absolute;
    top: 2rem;
    width: 6%;
    height: 1px;
    background: rgba(139, 115, 85, 0.3);
}

.timeline-node[data-side="left"] .timeline-panel::after {
    left: 100%;
}

.timeline-node[data-side="right"] .timeline-panel::after {
    right: 100%;
}

/* Footer */
#expedition-footer {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 4rem 2rem 3rem;
    border-top: 1px solid rgba(139, 115, 85, 0.2);
}

.footer-compass {
    margin-bottom: 1.5rem;
}

.footer-text {
    font-family: 'Playfair Display', serif;
    font-size: 1.1rem;
    color: var(--ink-medium);
    letter-spacing: 0.05em;
}

.footer-annotation {
    font-family: 'IM Fell English', serif;
    font-style: italic;
    font-size: 0.9rem;
    color: var(--brown-deep);
    margin-top: 0.5rem;
    opacity: 0.7;
}

/* Scroll-triggered route line between nodes */
.route-line {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    pointer-events: none;
    z-index: 1;
}

/* Responsive */
@media (max-width: 768px) {
    .timeline-line {
        left: 30px;
    }

    .timeline-node {
        flex-direction: row !important;
    }

    .timeline-node[data-side="left"] .timeline-panel,
    .timeline-node[data-side="right"] .timeline-panel {
        width: calc(100% - 60px);
        margin-left: 60px;
        margin-right: 0;
        text-align: left;
    }

    .timeline-node[data-side="left"] .panel-decoration {
        justify-content: flex-start;
    }

    .node-marker {
        left: 30px;
    }

    .timeline-panel::after {
        display: none;
    }
}