/* ==========================================================================
   bada.systems — Styles
   Retro-contemplative urbanism. Timeline-vertical architecture.
   Sepia-nostalgic palette. Zero gradients. Depth through opacity layering.
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Custom Properties
   -------------------------------------------------------------------------- */
:root {
    /* Palette */
    --bg-primary: #F5ECD7;        /* Aged Parchment */
    --bg-secondary: #EDE3CC;      /* Warm Ivory */
    --text-primary: #3D2B1F;      /* Deep Umber */
    --text-secondary: #5C4A3A;    /* Weathered Brown */
    --accent-warm: #8B6F4E;       /* Aged Brass */
    --accent-deep: #4A6B5A;       /* Oxidized Copper */
    --ghost-layer: #D9CEBC;       /* Faded Sepia */
    --ink-shadow: #2A1F14;        /* Charcoal Sepia */

    /* Typography */
    --font-display: 'Cormorant Garamond', 'Georgia', serif;
    --font-body: 'Source Serif 4', 'Georgia', serif;
    --font-mono: 'IBM Plex Mono', 'Courier New', monospace;

    /* Sizing */
    --heading-size: clamp(1.6rem, 4vw, 3.5rem);
    --title-size: clamp(0.9rem, 1.5vw, 1.2rem);
    --body-size: clamp(1rem, 1.1vw + 0.5rem, 1.15rem);
    --mono-size: clamp(0.7rem, 0.8vw + 0.3rem, 0.85rem);

    /* Timeline */
    --spine-color: #5C4A3A;
    --node-size: 12px;
    --node-fill: #8B6F4E;
    --node-border: #3D2B1F;
}

/* --------------------------------------------------------------------------
   Reset & Base
   -------------------------------------------------------------------------- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    font-weight: 400;
    font-size: var(--body-size);
    line-height: 1.75;
    letter-spacing: 0.005em;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    text-rendering: optimizeLegibility;
    font-feature-settings: "liga" 1, "kern" 1;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    position: relative;
}

/* Noise texture overlay applied via canvas tiling */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1000;
    opacity: 0.10;
    mix-blend-mode: multiply;
    background-repeat: repeat;
    background-size: 256px 256px;
}

/* --------------------------------------------------------------------------
   SVG Filters (hidden)
   -------------------------------------------------------------------------- */
.svg-filters {
    position: absolute;
    width: 0;
    height: 0;
    overflow: hidden;
}

/* Noise canvas (hidden, used for tiling) */
#noise-canvas {
    display: none;
}

/* --------------------------------------------------------------------------
   Depth Indicator (right-edge scroll progress)
   -------------------------------------------------------------------------- */
.depth-indicator {
    position: fixed;
    top: 0;
    right: 0;
    width: 2px;
    height: 100vh;
    z-index: 900;
    background-color: rgba(90, 74, 58, 0.15);
}

.depth-bar {
    position: absolute;
    top: 0;
    right: 0;
    width: 2px;
    height: 100%;
    background-color: var(--accent-warm);
    transform: scaleY(0);
    transform-origin: top;
    will-change: transform;
}

.depth-label {
    position: fixed;
    right: 8px;
    top: 50%;
    transform: rotate(90deg) translateX(-50%);
    transform-origin: center center;
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 400;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--accent-warm);
    white-space: nowrap;
    z-index: 901;
}

/* --------------------------------------------------------------------------
   Timeline Spine (fixed center line)
   -------------------------------------------------------------------------- */
.timeline-spine {
    position: fixed;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 1px;
    height: 100%;
    background-color: var(--spine-color);
    z-index: 5;
    pointer-events: none;
}

/* --------------------------------------------------------------------------
   Header Void (100vh)
   -------------------------------------------------------------------------- */
.header-void {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

.header-void-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

/* Origin mark — kanji-inspired "system" ideograph from CSS borders */
.origin-mark {
    width: 28px;
    height: 28px;
    border: 1px solid var(--text-secondary);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.origin-mark::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 1px;
    background-color: var(--text-secondary);
    top: 50%;
}

.origin-mark::after {
    content: '';
    position: absolute;
    width: 1px;
    height: 100%;
    background-color: var(--text-secondary);
    left: 50%;
}

.origin-mark-inner {
    width: 10px;
    height: 10px;
    border: 1px solid var(--text-secondary);
    position: relative;
    z-index: 2;
    background-color: var(--bg-primary);
}

.site-title {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: var(--title-size);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--ink-shadow);
    line-height: 1.25;
}

/* --------------------------------------------------------------------------
   Timeline Main
   -------------------------------------------------------------------------- */
.timeline-main {
    position: relative;
    z-index: 10;
    padding-bottom: 0;
}

/* --------------------------------------------------------------------------
   Timeline Sections
   -------------------------------------------------------------------------- */
.timeline-section {
    position: relative;
    min-height: 80vh;
    display: flex;
    align-items: center;
}

.section-grid {
    display: grid;
    grid-template-columns: 1fr 1px 1fr;
    width: 100%;
    min-height: 80vh;
    align-items: center;
}

/* --------------------------------------------------------------------------
   Section Content & Empty Sides
   -------------------------------------------------------------------------- */
.section-content {
    padding: 4rem 3rem;
}

.section-content--right {
    grid-column: 3;
    padding-left: 4rem;
    padding-right: 8%;
}

.section-content--left {
    grid-column: 1;
    padding-right: 4rem;
    padding-left: 8%;
    text-align: right;
}

.section-empty {
    position: relative;
    min-height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.section-empty--left {
    grid-column: 1;
}

.section-empty--right {
    grid-column: 3;
}

/* Ghost typography — large faint section numbers */
.ghost-number {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: clamp(150px, 20vw, 300px);
    color: transparent;
    -webkit-text-stroke: 1px var(--ghost-layer);
    line-height: 1;
    user-select: none;
    pointer-events: none;
    opacity: 0.5;
}

/* --------------------------------------------------------------------------
   Section Spine (center column)
   -------------------------------------------------------------------------- */
.section-spine {
    grid-column: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    min-height: 100%;
    z-index: 20;
}

/* Timeline Nodes */
.timeline-node {
    width: var(--node-size);
    height: var(--node-size);
    border-radius: 50%;
    background-color: var(--node-fill);
    border: 2px solid var(--node-border);
    position: relative;
    z-index: 25;
    cursor: default;
    transition: background-color 0.4s ease, box-shadow 0.4s ease;
    opacity: 0;
    transform: scale(0);
}

.timeline-node.revealed {
    opacity: 1;
    transform: scale(1);
    transition: opacity 0.4s ease-out, transform 0.4s ease-out;
}

/* Active node (closest to viewport center) */
.timeline-node.active {
    background-color: var(--accent-deep);
    border-color: var(--accent-deep);
    box-shadow: 0 0 0 4px rgba(74, 107, 90, 0.2);
}

/* Manhole cover ornament on hover */
.timeline-node::before {
    content: '';
    position: absolute;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 1px solid var(--accent-warm);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    opacity: 0;
    transition: transform 0.8s ease-out, opacity 0.4s ease-out;
    pointer-events: none;
}

.timeline-node::after {
    content: '';
    position: absolute;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 1px solid var(--accent-warm);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    opacity: 0;
    transition: transform 0.8s ease-out 0.1s, opacity 0.4s ease-out 0.1s;
    pointer-events: none;
    box-shadow:
        inset 1px 0 0 var(--accent-warm),
        inset -1px 0 0 var(--accent-warm),
        inset 0 1px 0 var(--accent-warm),
        inset 0 -1px 0 var(--accent-warm);
}

.timeline-node:hover::before {
    transform: translate(-50%, -50%) scale(1);
    opacity: 0.6;
}

.timeline-node:hover::after {
    transform: translate(-50%, -50%) scale(1);
    opacity: 0.4;
}

/* Connector Lines */
.connector {
    position: absolute;
    top: 50%;
    height: 1px;
    background-color: var(--spine-color);
    width: 4rem;
    transform-origin: left center;
    transform: scaleX(0);
    opacity: 0;
}

.connector.revealed {
    opacity: 1;
    transform: scaleX(1);
    transition: transform 0.4s ease-out, opacity 0.2s ease-out;
}

.connector--right {
    left: 50%;
    transform-origin: left center;
}

.connector--left {
    right: 50%;
    transform-origin: right center;
}

.connector--left.revealed {
    transform-origin: right center;
}

/* --------------------------------------------------------------------------
   Content Blocks
   -------------------------------------------------------------------------- */
.content-block {
    background-color: rgba(237, 227, 204, 0.7);
    padding: 2.5rem 2rem;
    box-shadow: 0 2px 20px rgba(42, 31, 20, 0.08);
    position: relative;
    opacity: 0;
    transform: translateY(20px);
}

.content-block.revealed {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}

.date-label {
    font-family: var(--font-mono);
    font-size: var(--mono-size);
    font-weight: 400;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-secondary);
    display: block;
    margin-bottom: 0.75rem;
    opacity: 0;
    transform: translateY(10px);
}

.date-label.revealed {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.4s ease-out, transform 0.4s ease-out;
}

.section-heading {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: var(--heading-size);
    line-height: 1.25;
    letter-spacing: 0.02em;
    color: var(--text-primary);
    margin-bottom: 1.25rem;
    opacity: 0;
    transform: translateY(10px);
}

.section-heading.revealed {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.4s ease-out, transform 0.4s ease-out;
}

.section-body {
    font-family: var(--font-body);
    font-weight: 400;
    font-size: var(--body-size);
    line-height: 1.75;
    letter-spacing: 0.005em;
    color: var(--text-primary);
    margin-bottom: 1.5em;
    opacity: 0;
    transform: translateY(10px);
}

.section-body:last-child {
    margin-bottom: 0;
}

.section-body.revealed {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.4s ease-out, transform 0.4s ease-out;
}

/* --------------------------------------------------------------------------
   Silence Gaps
   -------------------------------------------------------------------------- */
.silence-gap {
    position: relative;
    min-height: 30vh;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 2rem;
    z-index: 10;
}

/* Compass Rose */
.compass-rose {
    position: relative;
    width: 40px;
    height: 40px;
    animation: compass-rotate 60s linear infinite;
}

.compass-arm {
    position: absolute;
    background-color: var(--spine-color);
    top: 50%;
    left: 50%;
}

.compass-arm--v {
    width: 1px;
    height: 20px;
    transform: translate(-50%, -50%);
}

.compass-arm--h {
    width: 20px;
    height: 1px;
    transform: translate(-50%, -50%);
}

.compass-arm--d1 {
    width: 1px;
    height: 14px;
    transform: translate(-50%, -50%) rotate(45deg);
}

.compass-arm--d2 {
    width: 1px;
    height: 14px;
    transform: translate(-50%, -50%) rotate(-45deg);
}

@keyframes compass-rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Typographic Ornaments */
.typographic-ornament {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--text-secondary);
    animation: ornament-rotate 60s linear infinite;
    display: block;
    text-align: center;
    line-height: 1;
}

@keyframes ornament-rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* --------------------------------------------------------------------------
   Building Silhouette Borders (decorative, between sections)
   -------------------------------------------------------------------------- */
.timeline-section::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 40px;
    pointer-events: none;
    opacity: 0.3;
}

/* Unique skyline patterns per section (rendered via box-shadow) */
.timeline-section[data-section="1"]::after {
    background:
        linear-gradient(to top, var(--ghost-layer) 4px, transparent 4px) 0 100% / 8px 4px no-repeat,
        linear-gradient(to top, var(--ghost-layer) 12px, transparent 12px) 10px 100% / 6px 12px no-repeat,
        linear-gradient(to top, var(--ghost-layer) 25px, transparent 25px) 18px 100% / 10px 25px no-repeat,
        linear-gradient(to top, var(--ghost-layer) 8px, transparent 8px) 30px 100% / 6px 8px no-repeat,
        linear-gradient(to top, var(--ghost-layer) 35px, transparent 35px) 38px 100% / 8px 35px no-repeat,
        linear-gradient(to top, var(--ghost-layer) 18px, transparent 18px) 48px 100% / 12px 18px no-repeat,
        linear-gradient(to top, var(--ghost-layer) 6px, transparent 6px) 62px 100% / 8px 6px no-repeat,
        linear-gradient(to top, var(--ghost-layer) 30px, transparent 30px) 72px 100% / 6px 30px no-repeat,
        linear-gradient(to top, var(--ghost-layer) 15px, transparent 15px) 80px 100% / 10px 15px no-repeat,
        linear-gradient(to top, var(--ghost-layer) 40px, transparent 40px) 92px 100% / 8px 40px no-repeat;
}

.timeline-section[data-section="2"]::after {
    background:
        linear-gradient(to top, var(--ghost-layer) 20px, transparent 20px) 0 100% / 10px 20px no-repeat,
        linear-gradient(to top, var(--ghost-layer) 8px, transparent 8px) 12px 100% / 6px 8px no-repeat,
        linear-gradient(to top, var(--ghost-layer) 32px, transparent 32px) 20px 100% / 8px 32px no-repeat,
        linear-gradient(to top, var(--ghost-layer) 10px, transparent 10px) 30px 100% / 12px 10px no-repeat,
        linear-gradient(to top, var(--ghost-layer) 38px, transparent 38px) 44px 100% / 6px 38px no-repeat,
        linear-gradient(to top, var(--ghost-layer) 14px, transparent 14px) 52px 100% / 10px 14px no-repeat,
        linear-gradient(to top, var(--ghost-layer) 28px, transparent 28px) 64px 100% / 8px 28px no-repeat,
        linear-gradient(to top, var(--ghost-layer) 6px, transparent 6px) 74px 100% / 6px 6px no-repeat,
        linear-gradient(to top, var(--ghost-layer) 22px, transparent 22px) 82px 100% / 10px 22px no-repeat,
        linear-gradient(to top, var(--ghost-layer) 36px, transparent 36px) 94px 100% / 8px 36px no-repeat;
}

.timeline-section[data-section="3"]::after {
    background:
        linear-gradient(to top, var(--ghost-layer) 15px, transparent 15px) 0 100% / 6px 15px no-repeat,
        linear-gradient(to top, var(--ghost-layer) 30px, transparent 30px) 8px 100% / 10px 30px no-repeat,
        linear-gradient(to top, var(--ghost-layer) 5px, transparent 5px) 20px 100% / 8px 5px no-repeat,
        linear-gradient(to top, var(--ghost-layer) 40px, transparent 40px) 30px 100% / 6px 40px no-repeat,
        linear-gradient(to top, var(--ghost-layer) 12px, transparent 12px) 38px 100% / 12px 12px no-repeat,
        linear-gradient(to top, var(--ghost-layer) 25px, transparent 25px) 52px 100% / 8px 25px no-repeat,
        linear-gradient(to top, var(--ghost-layer) 8px, transparent 8px) 62px 100% / 6px 8px no-repeat,
        linear-gradient(to top, var(--ghost-layer) 35px, transparent 35px) 70px 100% / 10px 35px no-repeat,
        linear-gradient(to top, var(--ghost-layer) 18px, transparent 18px) 82px 100% / 8px 18px no-repeat,
        linear-gradient(to top, var(--ghost-layer) 28px, transparent 28px) 92px 100% / 6px 28px no-repeat;
}

.timeline-section[data-section="4"]::after {
    background:
        linear-gradient(to top, var(--ghost-layer) 22px, transparent 22px) 0 100% / 8px 22px no-repeat,
        linear-gradient(to top, var(--ghost-layer) 6px, transparent 6px) 10px 100% / 10px 6px no-repeat,
        linear-gradient(to top, var(--ghost-layer) 38px, transparent 38px) 22px 100% / 6px 38px no-repeat,
        linear-gradient(to top, var(--ghost-layer) 14px, transparent 14px) 30px 100% / 8px 14px no-repeat,
        linear-gradient(to top, var(--ghost-layer) 28px, transparent 28px) 40px 100% / 12px 28px no-repeat,
        linear-gradient(to top, var(--ghost-layer) 4px, transparent 4px) 54px 100% / 6px 4px no-repeat,
        linear-gradient(to top, var(--ghost-layer) 35px, transparent 35px) 62px 100% / 10px 35px no-repeat,
        linear-gradient(to top, var(--ghost-layer) 10px, transparent 10px) 74px 100% / 8px 10px no-repeat,
        linear-gradient(to top, var(--ghost-layer) 30px, transparent 30px) 84px 100% / 6px 30px no-repeat,
        linear-gradient(to top, var(--ghost-layer) 20px, transparent 20px) 92px 100% / 10px 20px no-repeat;
}

.timeline-section[data-section="5"]::after {
    background:
        linear-gradient(to top, var(--ghost-layer) 10px, transparent 10px) 0 100% / 6px 10px no-repeat,
        linear-gradient(to top, var(--ghost-layer) 35px, transparent 35px) 8px 100% / 8px 35px no-repeat,
        linear-gradient(to top, var(--ghost-layer) 18px, transparent 18px) 18px 100% / 10px 18px no-repeat,
        linear-gradient(to top, var(--ghost-layer) 6px, transparent 6px) 30px 100% / 6px 6px no-repeat,
        linear-gradient(to top, var(--ghost-layer) 40px, transparent 40px) 38px 100% / 12px 40px no-repeat,
        linear-gradient(to top, var(--ghost-layer) 15px, transparent 15px) 52px 100% / 8px 15px no-repeat,
        linear-gradient(to top, var(--ghost-layer) 28px, transparent 28px) 62px 100% / 6px 28px no-repeat,
        linear-gradient(to top, var(--ghost-layer) 8px, transparent 8px) 70px 100% / 10px 8px no-repeat,
        linear-gradient(to top, var(--ghost-layer) 32px, transparent 32px) 82px 100% / 8px 32px no-repeat,
        linear-gradient(to top, var(--ghost-layer) 22px, transparent 22px) 92px 100% / 6px 22px no-repeat;
}

/* --------------------------------------------------------------------------
   Grid Overlay Watermarks (behind alternating sections)
   -------------------------------------------------------------------------- */
.timeline-section[data-section="2"]::before,
.timeline-section[data-section="4"]::before {
    content: '';
    position: absolute;
    top: -5%;
    left: -5%;
    width: 110%;
    height: 110%;
    background-image:
        linear-gradient(to right, var(--ghost-layer) 1px, transparent 1px),
        linear-gradient(to bottom, var(--ghost-layer) 1px, transparent 1px);
    background-size: 80px 80px;
    opacity: 0.03;
    transform: rotate(2deg);
    pointer-events: none;
    z-index: -1;
}

.timeline-section[data-section="1"]::before,
.timeline-section[data-section="3"]::before,
.timeline-section[data-section="5"]::before {
    content: '';
    position: absolute;
    top: -5%;
    left: -5%;
    width: 110%;
    height: 110%;
    background-image:
        linear-gradient(to right, var(--ghost-layer) 1px, transparent 1px),
        linear-gradient(to bottom, var(--ghost-layer) 1px, transparent 1px);
    background-size: 80px 80px;
    opacity: 0.03;
    transform: rotate(-3deg);
    pointer-events: none;
    z-index: -1;
}

/* --------------------------------------------------------------------------
   Window Lights (decorative, positioned via JS)
   -------------------------------------------------------------------------- */
.window-lights {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 2;
    overflow: hidden;
}

.window-light {
    position: absolute;
    width: 4px;
    height: 6px;
    border-radius: 1px;
    background-color: var(--accent-warm);
    opacity: 0.15;
}

.window-light--pulse {
    animation: window-pulse var(--pulse-duration, 6s) ease-in-out infinite alternate;
}

@keyframes window-pulse {
    0% { opacity: 0.10; }
    100% { opacity: 0.20; }
}

/* --------------------------------------------------------------------------
   Terminus
   -------------------------------------------------------------------------- */
.terminus {
    position: relative;
    min-height: 60vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 10;
    gap: 2rem;
}

.terminus-node {
    width: 12px;
    height: 12px;
    background-color: var(--node-fill);
    border: 2px solid var(--node-border);
    /* Square node — no border-radius */
    position: relative;
    z-index: 25;
}

.terminus-text {
    font-family: var(--font-display);
    font-weight: 300;
    font-style: italic;
    font-size: clamp(0.95rem, 1.2vw + 0.4rem, 1.15rem);
    color: var(--text-secondary);
    text-align: center;
    max-width: 480px;
    padding: 0 2rem;
    line-height: 1.6;
    letter-spacing: 0.02em;
}

/* --------------------------------------------------------------------------
   Link Styles
   -------------------------------------------------------------------------- */
a {
    color: var(--text-primary);
    text-decoration: none;
    border-bottom: 1px solid var(--ghost-layer);
    transition: color 0.3s ease, border-color 0.3s ease;
}

a:hover {
    color: var(--accent-deep);
    border-color: var(--accent-deep);
}

/* --------------------------------------------------------------------------
   Responsive — below 768px
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
    .timeline-spine {
        left: 10%;
        transform: none;
    }

    .section-grid {
        grid-template-columns: 10% 1px 1fr;
    }

    /* All content goes to right column on mobile */
    .section-content--left,
    .section-content--right {
        grid-column: 3;
        padding-left: 2rem;
        padding-right: 1.5rem;
        text-align: left;
    }

    .section-empty {
        display: none;
    }

    /* Hide ghost typography on mobile */
    .ghost-number {
        display: none;
    }

    /* Smaller nodes on mobile */
    .timeline-node {
        width: 8px;
        height: 8px;
    }

    /* Reduce section heights */
    .timeline-section {
        min-height: 60vh;
    }

    .section-grid {
        min-height: 60vh;
    }

    /* Replace compass roses with simple rules */
    .compass-rose {
        display: none;
    }

    .silence-gap::before {
        content: '';
        display: block;
        width: 40px;
        height: 1px;
        background-color: var(--spine-color);
        opacity: 0.5;
    }

    .silence-gap {
        min-height: 15vh;
    }

    /* Connector adjustments */
    .connector--left,
    .connector--right {
        left: 50%;
        right: auto;
        transform-origin: left center;
        width: 2rem;
    }

    .connector--left.revealed {
        transform-origin: left center;
        transform: scaleX(1);
    }

    .content-block {
        padding: 1.5rem 1.25rem;
    }

    .section-content {
        padding: 2rem 1.5rem;
    }

    .terminus {
        min-height: 40vh;
    }

    /* Spine column for left-aligned sections */
    .timeline-section--left .section-spine {
        grid-column: 2;
        grid-row: 1;
    }

    .timeline-section--left .section-content--left {
        grid-column: 3;
        grid-row: 1;
    }

    /* Hide skyline borders on mobile */
    .timeline-section::after {
        display: none;
    }
}

/* --------------------------------------------------------------------------
   Very small screens
   -------------------------------------------------------------------------- */
@media (max-width: 480px) {
    .section-content--left,
    .section-content--right {
        padding-left: 1.25rem;
        padding-right: 1rem;
    }

    .content-block {
        padding: 1.25rem 1rem;
    }

    .site-title {
        font-size: clamp(0.8rem, 3vw, 1rem);
    }
}

/* --------------------------------------------------------------------------
   Selection Styles
   -------------------------------------------------------------------------- */
::selection {
    background-color: rgba(139, 111, 78, 0.25);
    color: var(--ink-shadow);
}

::-moz-selection {
    background-color: rgba(139, 111, 78, 0.25);
    color: var(--ink-shadow);
}