/* =====================================================================
   Atlas of Arda — atlas.css
   Self-contained styles for /atlas/ on rangeroftherealms.com
   ===================================================================== */

/* --- Tokens --- */
:root {
    --slate-dark:      #0d1117;
    --slate-medium:    #161b22;
    --slate-deep:      #08090d;
    --slate-light:     #4a5f7f;
    --mist:            #8b9bb4;
    --gold:            #c9a875;
    --warm-gold:       #e8c89a;
    --gold-soft:       rgba(201, 168, 117, 0.55);
    --gold-faint:      rgba(201, 168, 117, 0.18);
    --gold-hairline:   rgba(201, 168, 117, 0.32);
    --text-light:      #e8e4dd;
    --text-muted:      #a0a8b5;
    --shadow:          rgba(0, 0, 0, 0.55);
    --border-subtle:   rgba(201, 168, 117, 0.2);

    --sea-blue:        #6c8ba6;
    --sea-blue-faint:  rgba(108, 139, 166, 0.22);
    --decay:           #b89770;
    --ghost:           #5e6878;

    --font-display:    'EB Garamond', 'Cormorant Garamond', 'Georgia', serif;
    --font-body:       'Georgia', 'Palatino', 'Book Antiqua', serif;
    --font-sans:       -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    --max-width:       1180px;
    --content-width:   760px;

    --rule:            1px solid var(--gold-hairline);
}

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

html {
    scroll-behavior: smooth;
    background: var(--slate-medium);
    min-height: 100%;
}

body {
    font-family: var(--font-body);
    background: linear-gradient(180deg, var(--slate-dark) 0px, var(--slate-medium) 1200px) no-repeat, var(--slate-medium);
    color: var(--text-light);
    min-height: 100vh;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    background:
        radial-gradient(ellipse at 50% 0%, rgba(201, 168, 117, 0.06) 0%, transparent 50%),
        radial-gradient(circle at 80% 90%, rgba(108, 139, 166, 0.025) 0%, transparent 50%);
    z-index: 0;
}

.atlas-header,
.atlas-main,
.atlas-footer { position: relative; z-index: 1; }

img { max-width: 100%; display: block; }
a   { color: var(--gold); text-decoration: none; transition: color .25s ease; }
a:hover, a:focus { color: var(--warm-gold); }

/* --- Header --- */
.atlas-header {
    border-bottom: 1px solid var(--border-subtle);
    background: rgba(13, 17, 23, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    position: sticky;
    top: 0;
    z-index: 50;
}
.atlas-header__inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    position: relative;
}
.atlas-header__brand {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    color: var(--warm-gold);
    flex-shrink: 0;
}
.atlas-header__brand:hover { color: var(--warm-gold); }
.atlas-header__logo { width: 32px; height: 32px; border-radius: 4px; object-fit: contain; }
.atlas-header__title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    letter-spacing: 0.04em;
    color: var(--warm-gold);
}
.atlas-nav { display: flex; gap: 1.5rem; align-items: center; }
.atlas-nav a {
    font-family: var(--font-display);
    font-size: 0.95rem;
    letter-spacing: 0.06em;
    color: var(--text-light);
    padding: 0.25rem 0;
    border-bottom: 1px solid transparent;
}
.atlas-nav a:hover { color: var(--warm-gold); }
.atlas-nav a.active { color: var(--warm-gold); border-bottom-color: var(--gold-soft); }

.atlas-mobile-toggle {
    display: none;
    background: transparent;
    border: 1px solid var(--gold-faint);
    color: var(--warm-gold);
    width: 42px;
    height: 42px;
    cursor: pointer;
    padding: 0;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    border-radius: 4px;
    transition: border-color .2s ease;
}
.atlas-mobile-toggle:hover { border-color: var(--gold-soft); }
.atlas-mobile-toggle span {
    display: block;
    width: 18px;
    height: 1.5px;
    background: var(--warm-gold);
    transition: all .25s ease;
    transform-origin: center;
}
.atlas-mobile-toggle.is-open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.atlas-mobile-toggle.is-open span:nth-child(2) { opacity: 0; }
.atlas-mobile-toggle.is-open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* --- Page shell --- */
.atlas-main {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 2.5rem 1.5rem 5rem;
}

/* --- Breadcrumb --- */
.atlas-breadcrumb {
    font-family: var(--font-display);
    font-size: 0.85rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--mist);
    margin-bottom: 0.75rem;
}
.atlas-breadcrumb a { color: var(--mist); border-bottom: 1px dotted var(--gold-faint); padding-bottom: 1px; }
.atlas-breadcrumb a:hover { color: var(--warm-gold); border-bottom-color: var(--gold-soft); }
.atlas-breadcrumb__sep { margin: 0 0.5rem; color: var(--gold-faint); }

/* --- Region/Era page header --- */
.atlas-region__header { text-align: center; margin-bottom: 2rem; }
.atlas-region__title {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: clamp(2.2rem, 5vw, 3.6rem);
    color: var(--warm-gold);
    letter-spacing: 0.02em;
    line-height: 1.1;
    margin-bottom: 0.75rem;
}
.atlas-region__epigraph {
    font-family: var(--font-display);
    font-style: italic;
    font-size: 1.05rem;
    color: var(--text-muted);
    letter-spacing: 0.02em;
}
.atlas-rule {
    display: block;
    width: 80px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--gold-soft) 20%, var(--gold-soft) 80%, transparent);
    margin: 1.25rem auto;
    border: none;
}

/* --- Era ribbon (per-region pills) --- */
.atlas-era-ribbon {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
    margin: 1.25rem 0 2rem;
}
.atlas-era-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.45rem 0.9rem;
    border: 1px solid var(--gold-hairline);
    border-radius: 999px;
    font-family: var(--font-display);
    font-size: 0.82rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--text-muted);
    background: rgba(13, 17, 23, 0.4);
    transition: all .25s ease;
}
.atlas-era-pill__glyph { width: 14px; height: 14px; display: inline-block; flex-shrink: 0; opacity: 0.7; }
.atlas-era-pill__name { font-weight: 500; }
.atlas-era-pill__state {
    font-style: italic;
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: lowercase;
    color: var(--text-muted);
    opacity: 0.85;
}
.atlas-era-pill.is-present  { color: var(--warm-gold); border-color: var(--gold-soft); background: rgba(201, 168, 117, 0.06); }
.atlas-era-pill.is-present .atlas-era-pill__glyph { opacity: 1; }
.atlas-era-pill.is-present .atlas-era-pill__state { color: var(--gold); }
.atlas-era-pill.is-nascent  { color: var(--mist); border-style: dashed; border-color: var(--gold-faint); }
.atlas-era-pill.is-ruined   { color: var(--decay); border-color: rgba(184, 151, 112, 0.45); }
.atlas-era-pill.is-ruined  .atlas-era-pill__state { color: var(--decay); }
.atlas-era-pill.is-renamed  { color: var(--warm-gold); border-color: var(--gold-faint); }
.atlas-era-pill.is-drowned  { color: var(--sea-blue); border-color: var(--sea-blue-faint); background: rgba(108, 139, 166, 0.05); font-style: italic; }
.atlas-era-pill.is-drowned .atlas-era-pill__state { color: var(--sea-blue); }
.atlas-era-pill.is-absent   { color: var(--ghost); border-style: dotted; border-color: rgba(94, 104, 120, 0.3); opacity: 0.7; }
.atlas-era-pill.is-absent .atlas-era-pill__state { color: var(--ghost); }
a.atlas-era-pill:hover { transform: translateY(-1px); }
a.atlas-era-pill.is-present:hover { color: var(--warm-gold); border-color: var(--warm-gold); }

/* --- Map plate --- */
.atlas-map {
    margin: 1.5rem auto;
    max-width: 1080px;
    padding: 18px;
    background: var(--slate-deep);
    border: 1px solid var(--gold-soft);
    box-shadow:
        0 0 0 1px rgba(201, 168, 117, 0.06),
        0 30px 60px -20px rgba(0, 0, 0, 0.65),
        0 12px 25px -10px rgba(0, 0, 0, 0.45);
    position: relative;
}
.atlas-map::before {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
        radial-gradient(ellipse at 30% 20%, rgba(201, 168, 117, 0.04) 0%, transparent 60%),
        radial-gradient(ellipse at 70% 80%, rgba(108, 139, 166, 0.03) 0%, transparent 60%);
    z-index: 0;
}
.atlas-map img {
    width: 100%;
    height: auto;
    display: block;
    border: 1px solid var(--gold-faint);
    cursor: zoom-in;
    position: relative;
    z-index: 1;
    transition: filter .3s ease;
}
.atlas-map img:hover { filter: brightness(1.05); }
.atlas-map__caption {
    margin-top: 0.85rem;
    text-align: center;
    font-family: var(--font-display);
    font-style: italic;
    font-size: 0.9rem;
    color: var(--text-muted);
    letter-spacing: 0.04em;
    position: relative;
    z-index: 1;
}

/* --- Prose body --- */
.atlas-prose {
    max-width: var(--content-width);
    margin: 3rem auto 0;
    font-size: 1.08rem;
    line-height: 1.85;
    color: var(--text-light);
}
.atlas-prose section + section { margin-top: 2.5rem; }
.atlas-prose h2 {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 0.78rem;
    letter-spacing: 0.32em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 1rem;
    padding-bottom: 0.55rem;
    border-bottom: 1px solid var(--gold-faint);
}
.atlas-prose p { margin-bottom: 1.05rem; }
.atlas-prose p:last-child { margin-bottom: 0; }
.atlas-prose strong, .atlas-prose b { color: var(--warm-gold); font-weight: 500; }
.atlas-prose em { color: var(--text-light); }
.atlas-prose ul { list-style: none; padding-left: 0; }
.atlas-prose ul li { position: relative; padding-left: 1.6rem; margin-bottom: 0.85rem; }
.atlas-prose ul li::before {
    content: '◆';
    position: absolute;
    left: 0;
    top: 0.05em;
    color: var(--gold-soft);
    font-size: 0.7rem;
}
.atlas-prose .has-dropcap > p:first-of-type::first-letter {
    font-family: var(--font-display);
    font-size: 4.4rem;
    font-weight: 500;
    color: var(--warm-gold);
    float: left;
    line-height: 0.85;
    padding: 0.35rem 0.65rem 0 0;
    margin-top: 0.3rem;
}

/* --- Callout --- */
.atlas-callout {
    margin: 2.5rem auto;
    max-width: var(--content-width);
    padding: 1.4rem 1.6rem;
    border-left: 2px solid var(--gold-soft);
    background: rgba(13, 17, 23, 0.5);
    font-family: var(--font-display);
    font-style: italic;
    font-size: 1.1rem;
    color: var(--text-muted);
    line-height: 1.7;
    letter-spacing: 0.01em;
}
.atlas-callout--sea {
    border-left-color: var(--sea-blue);
    background: rgba(108, 139, 166, 0.08);
    color: var(--sea-blue);
}
.atlas-callout--ghost {
    border-left-color: var(--ghost);
    background: rgba(94, 104, 120, 0.06);
    color: var(--ghost);
}
.atlas-callout strong { font-style: normal; font-weight: 500; letter-spacing: 0.04em; }

/* --- Footer columns: compass + children --- */
.atlas-coda {
    max-width: var(--content-width);
    margin: 3.5rem auto 0;
    display: grid;
    grid-template-columns: minmax(180px, 240px) 1fr;
    gap: 3rem;
    align-items: start;
    padding-top: 2.5rem;
    border-top: 1px solid var(--gold-faint);
}
.atlas-compass { display: flex; flex-direction: column; align-items: center; }
.atlas-compass__svg { width: 180px; height: 180px; }
.atlas-compass__title {
    font-family: var(--font-display);
    font-size: 0.72rem;
    letter-spacing: 0.32em;
    text-transform: uppercase;
    color: var(--gold);
    margin-top: 0.75rem;
}
.atlas-compass-link {
    fill: var(--text-light);
    font-family: var(--font-display);
    font-size: 14px;
    letter-spacing: 0.05em;
    cursor: pointer;
    transition: fill .2s ease;
}
.atlas-compass-link:hover { fill: var(--warm-gold); }
.atlas-compass-cardinal {
    fill: var(--gold);
    font-family: var(--font-display);
    font-size: 11px;
    font-style: italic;
    letter-spacing: 0.18em;
}
.atlas-children__title {
    font-family: var(--font-display);
    font-size: 0.78rem;
    letter-spacing: 0.32em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 1rem;
}
.atlas-children__list {
    font-family: var(--font-display);
    font-size: 1.05rem;
    line-height: 1.9;
    color: var(--text-light);
}
.atlas-children__list span,
.atlas-children__list a { margin-right: 0.4rem; }
.atlas-children__list .sep { color: var(--gold-faint); margin: 0 0.35rem; }

/* --- Era page-specific --- */
.atlas-preamble {
    max-width: var(--content-width);
    margin: 0 auto 2.5rem;
    font-family: var(--font-display);
    font-size: 1.18rem;
    line-height: 1.85;
    color: var(--text-light);
    letter-spacing: 0.005em;
}
.atlas-preamble:first-of-type::first-letter {
    font-size: 4.4rem;
    font-weight: 500;
    color: var(--warm-gold);
    float: left;
    line-height: 0.85;
    padding: 0.35rem 0.6rem 0 0;
    margin-top: 0.3rem;
}
.atlas-preamble + .atlas-preamble::first-letter {
    font-size: inherit;
    color: inherit;
    float: none;
    line-height: inherit;
    padding: 0;
    margin: 0;
    font-weight: inherit;
}

.atlas-region-grid {
    max-width: var(--max-width);
    margin: 3rem auto 0;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1.5rem;
}
.atlas-region-card {
    display: block;
    border: 1px solid var(--gold-faint);
    background: rgba(13, 17, 23, 0.55);
    padding: 1.25rem 1.4rem 1.4rem;
    color: var(--text-light);
}
.atlas-region-card--zoomable {
    cursor: zoom-in;
    transition: all .25s ease;
    position: relative;
}
.atlas-region-card--zoomable:hover {
    border-color: var(--gold-soft);
    background: rgba(13, 17, 23, 0.85);
    transform: translateY(-2px);
}
.atlas-region-card--zoomable::after {
    content: 'click to zoom →';
    position: absolute;
    bottom: 0.6rem;
    right: 0.9rem;
    font-family: var(--font-display);
    font-size: 0.72rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--gold);
    opacity: 0.65;
    transition: opacity .2s ease;
}
.atlas-region-card--zoomable:hover::after { opacity: 1; }
.atlas-region-card--zoomable .atlas-region-card__shape { padding-bottom: 1rem; }
.atlas-region-card__name {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--warm-gold);
    margin-bottom: 0.25rem;
    letter-spacing: 0.02em;
}
.atlas-region-card__state {
    font-family: var(--font-display);
    font-style: italic;
    font-size: 0.82rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 0.85rem;
}
.atlas-region-card__shape { font-size: 0.95rem; color: var(--text-muted); line-height: 1.6; }
.atlas-region-card.is-drowned {
    border-color: var(--sea-blue-faint);
    background: rgba(108, 139, 166, 0.05);
}
.atlas-region-card.is-drowned .atlas-region-card__name { color: var(--sea-blue); font-style: italic; }
.atlas-region-card.is-drowned .atlas-region-card__state { color: var(--sea-blue); }
.atlas-region-card.is-absent {
    border-color: rgba(94, 104, 120, 0.2);
    background: rgba(13, 17, 23, 0.3);
    opacity: 0.7;
}

/* Tier 1: map-thumbnail cards (Lands on this map) */
.atlas-map-grid {
    max-width: var(--max-width);
    margin: 3rem auto 0;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.75rem;
}
.atlas-map-card {
    display: flex;
    flex-direction: column;
    border: 1px solid var(--gold-faint);
    background: rgba(13, 17, 23, 0.55);
    color: var(--text-light);
    text-align: left;
    padding: 0;
    cursor: zoom-in;
    transition: border-color .25s ease, transform .25s ease, box-shadow .25s ease;
    font: inherit;
    overflow: hidden;
}
.atlas-map-card:hover,
.atlas-map-card:focus-visible {
    border-color: var(--gold-soft);
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
    outline: none;
}
.atlas-map-card__preview {
    position: relative;
    margin: 0;
    aspect-ratio: 16 / 9;
    background: rgba(13, 17, 23, 0.85);
    border-bottom: 1px solid var(--gold-faint);
    overflow: hidden;
}
.atlas-map-card__preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform .35s ease, filter .35s ease;
    filter: brightness(0.9);
}
.atlas-map-card:hover .atlas-map-card__preview img,
.atlas-map-card:focus-visible .atlas-map-card__preview img {
    transform: scale(1.03);
    filter: brightness(1.0);
}
.atlas-map-card__expand {
    position: absolute;
    top: 0.6rem;
    right: 0.6rem;
    width: 1.9rem;
    height: 1.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    background: rgba(13, 17, 23, 0.7);
    border: 1px solid var(--gold-soft);
    color: var(--warm-gold);
    backdrop-filter: blur(4px);
    transition: background .2s ease, color .2s ease, border-color .2s ease;
}
.atlas-map-card__expand svg { display: block; }
.atlas-map-card:hover .atlas-map-card__expand,
.atlas-map-card:focus-visible .atlas-map-card__expand {
    background: rgba(232, 200, 154, 0.18);
    color: var(--warm-gold);
}
.atlas-map-card__body {
    padding: 1.1rem 1.4rem 1.4rem;
}
.atlas-map-card__name {
    font-family: var(--font-display);
    font-size: 1.45rem;
    color: var(--warm-gold);
    margin: 0 0 0.55rem;
    letter-spacing: 0.02em;
    line-height: 1.15;
    font-weight: 500;
    display: flex;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 0.6rem;
}
.atlas-map-card__state {
    font-family: var(--font-display);
    font-style: italic;
    font-size: 0.72rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--gold);
    font-weight: 400;
}
.atlas-map-card__story {
    margin: 0;
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* Tier 2: text-only "Beyond this map" footnote row */
.atlas-elsewhere {
    max-width: var(--max-width);
    margin: 4rem auto 0;
    padding-top: 2.25rem;
    border-top: 1px solid var(--gold-faint);
}
.atlas-elsewhere__heading {
    font-family: var(--font-display);
    font-size: 0.78rem;
    letter-spacing: 0.36em;
    text-transform: uppercase;
    color: var(--ghost);
    text-align: center;
    margin: 0 0 1.75rem;
    font-weight: 500;
}
.atlas-elsewhere__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem 2.5rem;
}
.atlas-elsewhere__item {
    padding: 0.25rem 0;
}
.atlas-elsewhere__name {
    font-family: var(--font-display);
    font-size: 1.1rem;
    color: var(--text-muted);
    margin: 0 0 0.4rem;
    font-weight: 500;
    font-style: italic;
    display: flex;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 0.5rem;
}
.atlas-elsewhere__state {
    font-family: var(--font-display);
    font-style: italic;
    font-size: 0.68rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--ghost);
    font-weight: 400;
}
.atlas-elsewhere__item p {
    margin: 0;
    font-size: 0.88rem;
    color: var(--ghost);
    line-height: 1.55;
}
.atlas-elsewhere__item--drowned .atlas-elsewhere__name,
.atlas-elsewhere__item--drowned .atlas-elsewhere__state {
    color: var(--sea-blue);
}

/* prev/next era nav */
.atlas-prevnext {
    max-width: var(--content-width);
    margin: 4rem auto 0;
    padding-top: 2rem;
    border-top: 1px solid var(--gold-faint);
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    font-family: var(--font-display);
}
.atlas-prevnext a {
    display: inline-flex;
    flex-direction: column;
    color: var(--text-muted);
    max-width: 45%;
}
.atlas-prevnext a:hover { color: var(--warm-gold); }
.atlas-prevnext__label {
    font-size: 0.72rem;
    letter-spacing: 0.32em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 0.15rem;
}
.atlas-prevnext__name { font-size: 1.15rem; color: var(--warm-gold); }
.atlas-prevnext .next { text-align: right; align-items: flex-end; }

/* --- Region pages: prev/next region nav (JS-injected) --- */
.atlas-region-nav {
    max-width: var(--content-width);
    margin: 4rem auto 0;
    padding-top: 2rem;
    border-top: 1px solid var(--gold-faint);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}
.atlas-region-nav__link {
    display: flex;
    flex-direction: column;
    padding: 1.1rem 1.3rem;
    border: 1px solid var(--gold-faint);
    background: rgba(13, 17, 23, 0.45);
    color: var(--text-light);
    transition: all .25s ease;
}
.atlas-region-nav__link:hover {
    border-color: var(--gold-soft);
    background: rgba(13, 17, 23, 0.75);
    color: var(--text-light);
    transform: translateY(-1px);
}
.atlas-region-nav__link--next { text-align: right; align-items: flex-end; }
.atlas-region-nav__label {
    font-family: var(--font-display);
    font-size: 0.7rem;
    letter-spacing: 0.32em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 0.25rem;
}
.atlas-region-nav__name {
    font-family: var(--font-display);
    font-size: 1.4rem;
    color: var(--warm-gold);
    letter-spacing: 0.02em;
}
.atlas-region-nav__hint {
    font-family: var(--font-display);
    font-style: italic;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 0.15rem;
}

/* "explore the regions index" CTA on region pages */
.atlas-region-cta {
    max-width: var(--content-width);
    margin: 2rem auto 0;
    text-align: center;
    font-family: var(--font-display);
    font-size: 0.85rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--text-muted);
}
.atlas-region-cta a {
    color: var(--gold);
    border-bottom: 1px dotted var(--gold-faint);
    padding-bottom: 1px;
}
.atlas-region-cta a:hover { color: var(--warm-gold); border-bottom-color: var(--gold-soft); }

/* --- Lightbox --- */
.atlas-lightbox {
    position: fixed;
    inset: 0;
    background: rgba(8, 9, 13, 0.95);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 200;
    padding: 2rem;
    cursor: zoom-out;
}
.atlas-lightbox.is-active { display: flex; }
.atlas-lightbox__image {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border: 1px solid var(--gold-soft);
    box-shadow: 0 0 80px rgba(201, 168, 117, 0.15);
}
.atlas-lightbox__close {
    position: absolute;
    top: 1.25rem;
    right: 1.25rem;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(8, 9, 13, 0.7);
    border: 1px solid var(--gold-soft);
    border-radius: 50%;
    color: var(--warm-gold);
    cursor: pointer;
    padding: 0;
    backdrop-filter: blur(6px);
    transition: background .2s ease, border-color .2s ease, transform .2s ease;
}
.atlas-lightbox__close:hover,
.atlas-lightbox__close:focus-visible {
    background: rgba(232, 200, 154, 0.2);
    border-color: var(--warm-gold);
    transform: scale(1.05);
    outline: none;
}
.atlas-lightbox__close svg { display: block; }

/* --- Footer --- */
.atlas-footer {
    border-top: 1px solid var(--border-subtle);
    margin-top: 5rem;
    padding: 2rem 1.5rem;
    text-align: center;
    color: var(--text-muted);
    font-family: var(--font-display);
    font-size: 0.9rem;
    letter-spacing: 0.04em;
}
.atlas-footer a { color: var(--gold); border-bottom: 1px dotted var(--gold-faint); }
.atlas-footer a:hover { color: var(--warm-gold); }

/* =====================================================================
   ATLAS HOME — opening, author note, hero map, age cards, region tiles
   ===================================================================== */

/* Opening title block */
.atlas-opening {
    text-align: center;
    margin: 1.5rem 0 1.5rem;
}
.atlas-opening__overline {
    font-family: var(--font-display);
    font-size: 0.78rem;
    letter-spacing: 0.4em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 0.5rem;
}
.atlas-opening__title {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: clamp(2.4rem, 5.5vw, 4rem);
    color: var(--warm-gold);
    letter-spacing: 0.02em;
    line-height: 1;
    margin-bottom: 0.85rem;
}
.atlas-opening__sub {
    font-family: var(--font-display);
    font-style: italic;
    font-size: clamp(1rem, 1.6vw, 1.2rem);
    color: var(--text-muted);
    letter-spacing: 0.02em;
}

/* Author's note — first-person framing */
.atlas-note {
    max-width: 640px;
    margin: 2.5rem auto 3rem;
    padding: 0 0.5rem;
    font-family: var(--font-display);
    font-size: 1.08rem;
    line-height: 1.85;
    color: var(--text-light);
    text-align: left;
}
.atlas-note p {
    margin-bottom: 1rem;
}
.atlas-note p:last-child { margin-bottom: 0; }
.atlas-note em { color: var(--warm-gold); font-style: italic; }
.atlas-note__sig {
    margin-top: 1.5rem;
    font-family: var(--font-display);
    font-style: italic;
    font-size: 0.95rem;
    color: var(--gold);
    letter-spacing: 0.06em;
}

/* The hero Third-Age map */
.atlas-hero-map {
    margin: 1rem auto 1.25rem;
    max-width: 1080px;
    padding: 18px;
    background: var(--slate-deep);
    border: 1px solid var(--gold-soft);
    box-shadow:
        0 0 0 1px rgba(201, 168, 117, 0.06),
        0 30px 60px -20px rgba(0, 0, 0, 0.65),
        0 12px 25px -10px rgba(0, 0, 0, 0.45);
}
.atlas-hero-map img {
    width: 100%;
    height: auto;
    display: block;
    border: 1px solid var(--gold-faint);
    cursor: zoom-in;
    transition: filter .3s ease;
}
.atlas-hero-map img:hover { filter: brightness(1.05); }
.atlas-hero-map__caption {
    margin-top: 0.85rem;
    text-align: center;
    font-family: var(--font-display);
    font-style: italic;
    font-size: 0.92rem;
    color: var(--text-muted);
    letter-spacing: 0.04em;
}
.atlas-hero-map__hint {
    color: var(--gold);
    font-style: normal;
    font-size: 0.78rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

/* Handoff line between hero map and ages section */
.atlas-handoff {
    max-width: 640px;
    margin: 0 auto 4rem;
    padding: 0 0.5rem;
    text-align: center;
    font-family: var(--font-display);
    font-style: italic;
    font-size: 1.05rem;
    line-height: 1.75;
    color: var(--text-muted);
}
.atlas-handoff strong {
    color: var(--warm-gold);
    font-style: normal;
    font-weight: 500;
}
.atlas-handoff em { color: var(--text-light); }

/* Section header (used by Ages and Regions sections) */
.atlas-section-header {
    text-align: center;
    margin: 5rem auto 3rem;
    max-width: 720px;
}
.atlas-section-header__overline {
    font-family: var(--font-display);
    font-size: 0.78rem;
    letter-spacing: 0.4em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 0.85rem;
}
.atlas-section-header__title {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--warm-gold);
    letter-spacing: 0.02em;
    line-height: 1.1;
    margin-bottom: 1rem;
}
.atlas-section-header__sub {
    font-family: var(--font-display);
    font-style: italic;
    font-size: 1.08rem;
    line-height: 1.7;
    color: var(--text-muted);
}

/* The five Age cards */
.atlas-ages-section { max-width: var(--max-width); margin: 0 auto; padding: 0; }
.atlas-age-card {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 3rem;
    align-items: center;
    margin: 0 auto 5rem;
    max-width: 1080px;
    position: relative;
}
.atlas-age-card--reverse { grid-template-columns: 1fr 1.1fr; }
.atlas-age-card--reverse .atlas-age-card__map { order: 2; }
.atlas-age-card--reverse .atlas-age-card__body { order: 1; }
.atlas-age-card--reverse .atlas-age-card__index { left: auto; right: -4rem; }

.atlas-age-card__index {
    position: absolute;
    top: -1.5rem;
    left: -4rem;
    font-family: var(--font-display);
    font-style: italic;
    font-size: 0.85rem;
    letter-spacing: 0.32em;
    text-transform: uppercase;
    color: var(--gold);
    padding: 0.4rem 0.85rem;
    border: 1px solid var(--gold-faint);
    background: rgba(13, 17, 23, 0.6);
    border-radius: 999px;
    pointer-events: none;
}

.atlas-age-card__map {
    display: block;
    padding: 14px;
    background: var(--slate-deep);
    border: 1px solid var(--gold-soft);
    box-shadow:
        0 0 0 1px rgba(201, 168, 117, 0.06),
        0 20px 40px -15px rgba(0, 0, 0, 0.6);
    transition: all .3s ease;
}
.atlas-age-card__map:hover {
    border-color: var(--warm-gold);
    transform: translateY(-3px);
    box-shadow:
        0 0 0 1px rgba(201, 168, 117, 0.1),
        0 30px 50px -15px rgba(0, 0, 0, 0.7);
}
.atlas-age-card__map img {
    width: 100%;
    height: auto;
    display: block;
    border: 1px solid var(--gold-faint);
}

.atlas-age-card__body { font-family: var(--font-display); }
.atlas-age-card__name {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: clamp(1.6rem, 2.8vw, 2.1rem);
    color: var(--warm-gold);
    letter-spacing: 0.02em;
    line-height: 1.1;
    margin-bottom: 0.4rem;
}
.atlas-age-card__name a {
    color: inherit;
    border-bottom: none;
    transition: color .2s ease;
}
.atlas-age-card__name a:hover { color: var(--gold); }
.atlas-age-card__tagline {
    font-family: var(--font-display);
    font-style: italic;
    font-size: 1rem;
    letter-spacing: 0.06em;
    color: var(--gold);
    margin-bottom: 1.25rem;
}
.atlas-age-card__body p {
    font-size: 1.05rem;
    line-height: 1.75;
    color: var(--text-light);
    margin-bottom: 0.95rem;
}
.atlas-age-card__body p:last-of-type { margin-bottom: 1.5rem; }
.atlas-age-card__body strong {
    color: var(--warm-gold);
    font-weight: 500;
}
.atlas-age-card__body em { color: var(--text-light); font-style: italic; }
.atlas-age-card__cta {
    display: inline-block;
    font-family: var(--font-display);
    font-size: 0.9rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--gold);
    border-bottom: 1px solid var(--gold-faint);
    padding-bottom: 3px;
    transition: all .2s ease;
}
.atlas-age-card__cta:hover {
    color: var(--warm-gold);
    border-bottom-color: var(--gold-soft);
}

/* Region tiles grid */
.atlas-regions-section { max-width: var(--max-width); margin: 0 auto; }
.atlas-tile-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    max-width: 1080px;
    margin: 0 auto;
}
.atlas-tile {
    display: flex;
    flex-direction: column;
    background: rgba(13, 17, 23, 0.55);
    border: 1px solid var(--gold-faint);
    color: var(--text-light);
    transition: all .25s ease;
    overflow: hidden;
}
.atlas-tile:hover {
    border-color: var(--gold-soft);
    background: rgba(13, 17, 23, 0.85);
    transform: translateY(-3px);
    color: var(--text-light);
    box-shadow: 0 20px 35px -15px rgba(0, 0, 0, 0.6);
}
.atlas-tile__map {
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background: var(--slate-deep);
    border-bottom: 1px solid var(--gold-faint);
}
.atlas-tile__map img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform .4s ease;
}
.atlas-tile:hover .atlas-tile__map img { transform: scale(1.04); }
.atlas-tile__name {
    font-family: var(--font-display);
    font-size: 1.4rem;
    color: var(--warm-gold);
    padding: 1rem 1.25rem 0.25rem;
    letter-spacing: 0.02em;
}
.atlas-tile__hook {
    font-family: var(--font-display);
    font-style: italic;
    font-size: 0.95rem;
    color: var(--text-muted);
    padding: 0 1.25rem 1.1rem;
    line-height: 1.5;
}

.atlas-regions-more {
    margin: 3rem auto 0;
    max-width: 720px;
    text-align: center;
    font-family: var(--font-display);
    font-style: italic;
    font-size: 1rem;
    color: var(--text-muted);
    line-height: 1.7;
}
.atlas-regions-more a {
    color: var(--gold);
    border-bottom: 1px dotted var(--gold-faint);
    padding-bottom: 1px;
}
.atlas-regions-more a:hover { color: var(--warm-gold); border-bottom-color: var(--gold-soft); }

/* =====================================================================
   ERA SLIDER (legacy — kept for any other pages that still use it)
   ===================================================================== */

.atlas-hero {
    text-align: center;
    margin: 1rem 0 2rem;
}
.atlas-hero__overline {
    font-family: var(--font-display);
    font-size: 0.78rem;
    letter-spacing: 0.4em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 0.5rem;
}
.atlas-hero__title {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: clamp(2.2rem, 5vw, 3.6rem);
    color: var(--warm-gold);
    letter-spacing: 0.02em;
    line-height: 1;
    margin-bottom: 0.75rem;
}
.atlas-hero__lede {
    max-width: 620px;
    margin: 0 auto 1.5rem;
    font-family: var(--font-display);
    font-style: italic;
    font-size: 1.05rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* --- The horizontal timeline ribbon --- */
.atlas-ribbon {
    max-width: 1080px;
    margin: 0 auto 1rem;
    padding: 0.85rem 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    position: relative;
}
.atlas-ribbon::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 6%;
    right: 6%;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, var(--gold-faint) 12%, var(--gold-faint) 88%, transparent 100%);
    z-index: 0;
    pointer-events: none;
}

.atlas-ribbon__step {
    background: var(--slate-dark);
    border: 1px solid var(--gold-faint);
    color: var(--text-muted);
    padding: 0.5rem 1rem;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.15rem;
    font-family: var(--font-display);
    font-size: 0.75rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    cursor: pointer;
    transition: all .25s ease;
    border-radius: 999px;
    min-width: 110px;
    flex: 1 1 auto;
    max-width: 180px;
    position: relative;
}
.atlas-ribbon__step:hover {
    color: var(--warm-gold);
    border-color: var(--gold-soft);
    background: rgba(201, 168, 117, 0.04);
}
.atlas-ribbon__step.is-active {
    color: var(--warm-gold);
    background: rgba(201, 168, 117, 0.1);
    border-color: var(--gold-soft);
}
.atlas-ribbon__step-glyph { font-size: 0.95rem; opacity: 0.7; }
.atlas-ribbon__step.is-active .atlas-ribbon__step-glyph { opacity: 1; }
.atlas-ribbon__step-name { font-weight: 500; }

/* Pulse on the active step until first interaction — invites exploration */
.atlas-ribbon:not(.has-interacted) .atlas-ribbon__step.is-active {
    animation: era-pulse 2.4s ease-in-out infinite;
}
@keyframes era-pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(201, 168, 117, 0); }
    50%      { box-shadow: 0 0 0 6px rgba(201, 168, 117, 0.12); }
}
@media (prefers-reduced-motion: reduce) {
    .atlas-ribbon__step.is-active { animation: none !important; }
}

/* --- Stage with badge overlay --- */
.atlas-stage {
    position: relative;
    max-width: 1080px;
    margin: 0 auto;
    padding: 18px;
    background: var(--slate-deep);
    border: 1px solid var(--gold-soft);
    box-shadow:
        0 0 0 1px rgba(201, 168, 117, 0.06),
        0 30px 60px -20px rgba(0, 0, 0, 0.65);
}
.atlas-stage__frame {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--slate-deep);
    border: 1px solid var(--gold-faint);
    cursor: grab;
    user-select: none;
    -webkit-user-select: none;
}
.atlas-stage__frame:active { cursor: grabbing; }
.atlas-stage__layer {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 700ms cubic-bezier(.4, .0, .2, 1);
    pointer-events: none;
}
.atlas-stage__layer.is-active { opacity: 1; }

.atlas-stage__badge {
    position: absolute;
    top: 28px;
    left: 28px;
    z-index: 5;
    background: rgba(13, 17, 23, 0.88);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--gold-soft);
    color: var(--warm-gold);
    padding: 0.4rem 0.9rem;
    font-family: var(--font-display);
    font-size: 0.72rem;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    transition: opacity .4s ease;
    pointer-events: none;
}
.atlas-stage__badge.is-fading { opacity: 0; }

/* --- Hint under the map (drag to scrub) --- */
.atlas-hint {
    text-align: center;
    margin: 0.85rem auto 0;
    font-family: var(--font-display);
    font-style: italic;
    font-size: 0.82rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--mist);
    opacity: 0.65;
    transition: opacity .5s ease;
    pointer-events: none;
}
.atlas-hint.is-faded { opacity: 0; }

/* --- Stage meta (era preamble + region pills) --- */
.atlas-stage-meta {
    max-width: var(--content-width);
    margin: 2.5rem auto 0;
    text-align: center;
    min-height: 220px;
    transition: opacity .4s ease;
}
.atlas-stage-meta.is-fading { opacity: 0; }
.atlas-stage-meta__era-name {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--warm-gold);
    letter-spacing: 0.02em;
    margin-bottom: 0.85rem;
}
.atlas-stage-meta__preamble {
    font-family: var(--font-display);
    font-size: 1.05rem;
    line-height: 1.85;
    color: var(--text-light);
    text-align: left;
}
.atlas-stage-meta__regions {
    margin-top: 1.5rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
}
.atlas-stage-meta__regions a {
    font-family: var(--font-display);
    font-size: 0.82rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    padding: 0.35rem 0.85rem;
    border: 1px solid var(--gold-faint);
    color: var(--text-light);
    transition: all .2s ease;
    border-radius: 999px;
}
.atlas-stage-meta__regions a:hover {
    border-color: var(--gold-soft);
    color: var(--warm-gold);
    background: rgba(201, 168, 117, 0.05);
}

.atlas-stage-meta__cta {
    margin-top: 1.5rem;
    text-align: center;
    font-family: var(--font-display);
    font-style: italic;
    font-size: 1rem;
    color: var(--text-muted);
    letter-spacing: 0.02em;
}
.atlas-stage-meta__cta a {
    color: var(--gold);
    border-bottom: 1px dotted var(--gold-faint);
    padding-bottom: 1px;
    font-style: normal;
    letter-spacing: 0.04em;
}
.atlas-stage-meta__cta a:hover { color: var(--warm-gold); border-bottom-color: var(--gold-soft); }

/* "or take the long way through" — paths block under the era panel */
.atlas-onward {
    max-width: var(--content-width);
    margin: 4rem auto 0;
    text-align: center;
}
.atlas-onward__heading {
    font-family: var(--font-display);
    font-style: italic;
    font-size: 0.9rem;
    letter-spacing: 0.18em;
    text-transform: lowercase;
    color: var(--text-muted);
    margin-bottom: 1.75rem;
}

/* --- Atlas index intro --- */
.atlas-intro {
    max-width: var(--content-width);
    margin: 4rem auto;
    padding: 3rem 0;
    border-top: 1px solid var(--gold-faint);
    border-bottom: 1px solid var(--gold-faint);
    text-align: center;
}
.atlas-intro h2 {
    font-family: var(--font-display);
    font-size: 0.85rem;
    letter-spacing: 0.4em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 1.5rem;
}
.atlas-intro p {
    font-family: var(--font-display);
    font-size: 1.1rem;
    line-height: 1.85;
    color: var(--text-muted);
    margin-bottom: 1rem;
}
.atlas-intro p:last-child { margin-bottom: 0; }
.atlas-intro__paths {
    margin-top: 3rem;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}
.atlas-intro__path {
    display: block;
    padding: 1.5rem;
    border: 1px solid var(--gold-faint);
    background: rgba(13, 17, 23, 0.4);
    text-align: left;
    transition: all .25s ease;
}
.atlas-intro__path:hover {
    border-color: var(--gold-soft);
    background: rgba(13, 17, 23, 0.7);
    transform: translateY(-2px);
}
.atlas-intro__path-overline {
    font-family: var(--font-display);
    font-size: 0.72rem;
    letter-spacing: 0.32em;
    text-transform: uppercase;
    color: var(--gold);
}
.atlas-intro__path-name {
    font-family: var(--font-display);
    font-size: 1.6rem;
    color: var(--warm-gold);
    margin: 0.4rem 0 0.4rem;
}
.atlas-intro__path-desc {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.55;
}

/* =====================================================================
   RESPONSIVE — mobile-first touches
   ===================================================================== */

/* Tablet and below */
@media (max-width: 900px) {
    .atlas-stage__frame { aspect-ratio: 16 / 10; }
}

@media (max-width: 768px) {
    .atlas-mobile-toggle { display: flex; }
    .atlas-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        background: rgba(13, 17, 23, 0.97);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border-bottom: 1px solid var(--gold-faint);
        gap: 0;
        padding: 0.25rem 0 0.5rem;
        box-shadow: 0 12px 24px -8px rgba(0,0,0,0.6);
    }
    .atlas-nav.is-open { display: flex; }
    .atlas-nav a {
        padding: 0.95rem 1.25rem;
        border-bottom: 1px solid rgba(201,168,117,0.05);
        font-size: 0.95rem;
        letter-spacing: 0.12em;
        text-align: left;
    }
    .atlas-nav a:last-child { border-bottom: none; }
    .atlas-nav a.active { border-bottom-color: rgba(201,168,117,0.05); background: rgba(201,168,117,0.04); }

    .atlas-header__inner { padding: 0.85rem 1rem; gap: 1rem; }
    .atlas-header__title { font-size: 1.05rem; }
    .atlas-main { padding: 1.5rem 1rem 3rem; }

    .atlas-region__title { font-size: 2.2rem; }
    .atlas-hero__title { font-size: 2.2rem; }
    .atlas-hero { margin-top: 0.5rem; }
    .atlas-hero__lede { font-size: 1rem; padding: 0 0.5rem; }
    .atlas-prose { font-size: 1rem; }

    .atlas-coda { grid-template-columns: 1fr; gap: 2rem; }
    .atlas-compass__svg { width: 160px; height: 160px; }

    .atlas-map, .atlas-stage { padding: 10px; }
    .atlas-stage__frame { aspect-ratio: 4 / 3; }

    /* Era ribbon: horizontal scroll-snap on mobile, full-bleed */
    .atlas-ribbon {
        flex-wrap: nowrap;
        overflow-x: auto;
        overflow-y: hidden;
        scroll-snap-type: x mandatory;
        scrollbar-width: none;
        -ms-overflow-style: none;
        gap: 0.5rem;
        padding: 0.5rem 1rem;
        margin-left: -1rem;
        margin-right: -1rem;
        max-width: calc(100% + 2rem);
        -webkit-overflow-scrolling: touch;
    }
    .atlas-ribbon::-webkit-scrollbar { display: none; }
    .atlas-ribbon::before { display: none; }
    .atlas-ribbon__step {
        flex: 0 0 auto;
        scroll-snap-align: center;
        min-width: 130px;
        padding: 0.55rem 0.9rem;
    }

    .atlas-stage__badge {
        top: 16px;
        left: 16px;
        padding: 0.3rem 0.7rem;
        font-size: 0.65rem;
        letter-spacing: 0.22em;
    }

    .atlas-hint { font-size: 0.72rem; letter-spacing: 0.16em; }

    .atlas-stage-meta { margin-top: 2rem; min-height: 0; }
    .atlas-stage-meta__preamble { text-align: left; font-size: 1rem; }

    .atlas-intro { margin: 2.5rem auto; padding: 2rem 0; }
    .atlas-intro__paths { grid-template-columns: 1fr; }
    .atlas-prevnext { flex-direction: column; gap: 1rem; }
    .atlas-prevnext .next { text-align: left; align-items: flex-start; }
    .atlas-region-grid { grid-template-columns: 1fr; }
    .atlas-map-grid { grid-template-columns: 1fr; gap: 1.25rem; }
    .atlas-elsewhere__grid { grid-template-columns: 1fr; gap: 1.5rem; }

    .atlas-region-nav { grid-template-columns: 1fr; }
    .atlas-region-nav__link--next { text-align: left; align-items: flex-start; }

    /* Atlas home — mobile */
    .atlas-note { font-size: 1rem; }
    .atlas-hero-map { padding: 10px; }

    .atlas-section-header { margin: 3.5rem auto 2rem; }
    .atlas-section-header__title { font-size: 1.8rem; }

    .atlas-age-card,
    .atlas-age-card--reverse {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        margin-bottom: 3.5rem;
        padding-top: 2.5rem;
    }
    .atlas-age-card--reverse .atlas-age-card__map { order: 1; }
    .atlas-age-card--reverse .atlas-age-card__body { order: 2; }
    .atlas-age-card__index,
    .atlas-age-card--reverse .atlas-age-card__index {
        position: absolute;
        top: 0;
        left: 50%;
        right: auto;
        transform: translateX(-50%);
    }

    .atlas-tile-grid { grid-template-columns: 1fr; gap: 1rem; }
}

@media (min-width: 769px) and (max-width: 1100px) {
    .atlas-tile-grid { grid-template-columns: repeat(2, 1fr); }
}