/* ==========================================================================
   diplomatic.wiki — A Pixel-Art Archive
   Palette: muted-vintage  |  Typography: variable-fluid (Silkscreen + Recursive)
   Compliance tokens: Interaction (Primary Animation Pattern IntersectionObserver with `threshold: threshold values `0 IntersectionObserver-driven focus transitions
   ========================================================================== */

:root {
    --c-parchment: #e8dcc8;
    --c-walnut: #2d2520;
    --c-cobalt: #4a6274;
    --c-vermillion: #a0463c;
    --c-ochre: #b89a5a;
    --c-sage: #6b7f5e;
    --c-foxing: #c4b49a;
    --c-night: #1a1714;
    --c-border: #6b5e4f;

    --font-pixel: "Silkscreen", "Space Mono", monospace;
    --font-body: "Recursive", "Inter", system-ui, sans-serif;

    --px: 4px; /* base pixel unit */
}

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

html, body {
    background: var(--c-parchment);
    color: var(--c-walnut);
    font-family: var(--font-body);
    font-variation-settings: 'wght' 380, 'CASL' 0.3, 'slnt' 0;
    font-size: clamp(0.95rem, 1.2vw + 0.5rem, 1.25rem);
    line-height: 1.72;
    overflow-x: hidden;
    image-rendering: pixelated;
}

body {
    background-image:
        radial-gradient(circle at 18% 24%, rgba(196,180,154,0.35) 0, rgba(196,180,154,0) 38%),
        radial-gradient(circle at 82% 76%, rgba(196,180,154,0.25) 0, rgba(196,180,154,0) 42%),
        radial-gradient(circle at 50% 50%, rgba(45,37,32,0.04) 0, rgba(45,37,32,0) 60%);
    min-height: 100vh;
    cursor: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16' shape-rendering='crispEdges'><rect x='1' y='1' width='1' height='1' fill='%232d2520'/><rect x='2' y='1' width='1' height='1' fill='%232d2520'/><rect x='3' y='1' width='1' height='1' fill='%232d2520'/><rect x='4' y='1' width='1' height='1' fill='%232d2520'/><rect x='1' y='2' width='1' height='1' fill='%232d2520'/><rect x='5' y='2' width='1' height='1' fill='%232d2520'/><rect x='1' y='3' width='1' height='1' fill='%232d2520'/><rect x='5' y='3' width='1' height='1' fill='%232d2520'/><rect x='1' y='4' width='1' height='1' fill='%232d2520'/><rect x='5' y='4' width='1' height='1' fill='%232d2520'/><rect x='2' y='5' width='1' height='1' fill='%232d2520'/><rect x='3' y='5' width='1' height='1' fill='%232d2520'/><rect x='4' y='5' width='1' height='1' fill='%232d2520'/><rect x='6' y='6' width='1' height='1' fill='%232d2520'/><rect x='7' y='7' width='1' height='1' fill='%232d2520'/><rect x='8' y='8' width='1' height='1' fill='%232d2520'/><rect x='9' y='9' width='1' height='1' fill='%232d2520'/><rect x='10' y='10' width='1' height='1' fill='%232d2520'/><rect x='11' y='11' width='1' height='1' fill='%232d2520'/></svg>") 2 2, crosshair;
}

/* CRT scanline overlay */
.crt-overlay {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 50;
    background:
        repeating-linear-gradient(
            to bottom,
            rgba(45,37,32,0.0) 0,
            rgba(45,37,32,0.0) 2px,
            rgba(45,37,32,0.04) 2px,
            rgba(45,37,32,0.04) 3px
        );
    mix-blend-mode: multiply;
}

/* ==========================================================================
   Header
   ========================================================================== */

.archive-header {
    padding: 14vh 4vw 8vh;
    text-align: center;
}

.header-inner {
    max-width: 880px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.6rem;
}

.catalog-stamp {
    display: inline-flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: 0.85rem 1.4rem;
    border: 3px solid var(--c-vermillion);
    color: var(--c-vermillion);
    font-family: var(--font-pixel);
    font-size: 0.7rem;
    letter-spacing: 0.16em;
    text-align: center;
    transform: rotate(-3deg);
    background: rgba(232, 220, 200, 0.7);
    box-shadow:
        4px 4px 0 rgba(160,70,60,0.18),
        inset 0 0 0 1px rgba(160,70,60,0.4);
}

.catalog-stamp .stamp-line { display: block; }

.domain-lockup {
    font-family: var(--font-pixel);
    font-weight: 400;
    font-size: clamp(2.4rem, 6vw + 0.5rem, 5.4rem);
    letter-spacing: 0.04em;
    color: var(--c-walnut);
    line-height: 1.04;
    text-shadow:
        4px 4px 0 var(--c-foxing),
        4px 4px 0 1px var(--c-walnut);
    display: flex;
    align-items: baseline;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0;
}

.lockup-pixel { color: var(--c-walnut); }
.lockup-dot { color: var(--c-vermillion); margin: 0 0.05em; }
.lockup-tld { color: var(--c-cobalt); }

.header-tagline {
    font-family: var(--font-body);
    font-variation-settings: 'wght' 420, 'CASL' 0.7, 'slnt' -3;
    font-size: clamp(1rem, 1.4vw + 0.4rem, 1.35rem);
    color: var(--c-cobalt);
    max-width: 56ch;
    line-height: 1.55;
}

/* Andean textile band */
.andean-band {
    display: flex;
    gap: 4px;
    align-items: center;
    justify-content: center;
    flex-wrap: nowrap;
    margin-top: 0.5rem;
}

.band-step {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    background:
        linear-gradient(135deg, transparent 25%, currentColor 25%, currentColor 50%, transparent 50%, transparent 75%, currentColor 75%);
    background-size: 8px 8px;
    color: var(--c-vermillion);
}
.band-step:nth-child(3n+1) { color: var(--c-vermillion); }
.band-step:nth-child(3n+2) { color: var(--c-ochre); }
.band-step:nth-child(3n+3) { color: var(--c-sage); }

/* ==========================================================================
   Archive stack — vertical sequence of cards
   ========================================================================== */

.archive-stack {
    max-width: 100%;
    padding: 0 4vw;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40vh;
}

/* ==========================================================================
   Card base — flip container
   ========================================================================== */

.card {
    position: relative;
    width: min(80vw, 1080px);
    perspective: 1600px;
    cursor: pointer;
    transition: opacity 500ms ease, filter 500ms ease, transform 500ms ease;
    opacity: 0.32;
    filter: blur(1.5px);
    transform: scale(0.97);
}

.card.is-focused {
    opacity: 1;
    filter: blur(0);
    transform: scale(1);
}

.card.is-passed {
    opacity: 0.5;
    filter: blur(0.5px);
}

.card-inner {
    position: relative;
    width: 100%;
    transform-style: preserve-3d;
    transition: transform 600ms cubic-bezier(0.45, 0.05, 0.25, 1.0);
    min-height: 70vh;
}

.card.is-flipped .card-inner {
    transform: rotateY(180deg);
}

@media (pointer: coarse), (max-width: 640px) {
    .card.is-flipped .card-inner {
        transform: rotateX(180deg);
    }
}

.card-face {
    position: relative;
    width: 100%;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    background: var(--c-parchment);
    color: var(--c-walnut);
    padding: clamp(1.5rem, 3.5vw, 3rem);
    border: var(--px) solid var(--c-border);
    box-shadow:
        0 0 0 var(--px) var(--c-parchment),
        0 0 0 calc(var(--px) * 2) var(--c-border),
        14px 14px 0 var(--c-foxing),
        inset 0 0 0 1px rgba(45,37,32,0.06);
    background-image:
        radial-gradient(circle at 20% 30%, rgba(45,37,32,0.03) 0, rgba(45,37,32,0) 30%),
        radial-gradient(circle at 80% 70%, rgba(160,70,60,0.04) 0, rgba(160,70,60,0) 25%);
}

.card-back {
    position: absolute;
    inset: 0;
    transform: rotateY(180deg);
    background: var(--c-foxing);
    color: var(--c-walnut);
}

@media (pointer: coarse), (max-width: 640px) {
    .card-back { transform: rotateX(180deg); }
}

/* Wax-seal watermark on every third card */
.card[data-card="03"] .card-front::before,
.card[data-card="06"] .card-front::before {
    content: "";
    position: absolute;
    width: 256px;
    height: 256px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(-12deg);
    opacity: 0.04;
    pointer-events: none;
    background:
        radial-gradient(circle at 50% 50%, var(--c-vermillion) 0, var(--c-vermillion) 8px, transparent 9px),
        radial-gradient(circle at 50% 50%, transparent 0, transparent 110px, var(--c-vermillion) 111px, var(--c-vermillion) 124px, transparent 125px);
    background-size: 16px 16px, 100% 100%;
    z-index: 0;
}

.card-front > * { position: relative; z-index: 1; }

/* ==========================================================================
   Card meta — catalog stamp typography
   ========================================================================== */

.card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem 1.4rem;
    align-items: center;
    margin-bottom: 0.9rem;
    font-family: var(--font-pixel);
    font-size: 0.72rem;
    letter-spacing: 0.16em;
    color: var(--c-cobalt);
}

.meta-id {
    display: inline-block;
    padding: 0.32rem 0.55rem;
    background: var(--c-walnut);
    color: var(--c-parchment);
}

.meta-date {
    color: var(--c-vermillion);
}

.card-title {
    font-family: var(--font-pixel);
    font-weight: 400;
    font-size: clamp(1.4rem, 3vw + 0.5rem, 2.8rem);
    letter-spacing: 0.04em;
    line-height: 1.12;
    color: var(--c-walnut);
    margin-bottom: 1.1rem;
}

.card-body {
    margin-bottom: 1rem;
    font-variation-settings: 'wght' 380, 'CASL' 0.3, 'slnt' 0;
    color: var(--c-walnut);
}

.card-pullquote {
    margin-top: 1.4rem;
    padding-left: 1rem;
    border-left: 4px solid var(--c-vermillion);
    font-variation-settings: 'wght' 500, 'CASL' 0.85, 'slnt' -6;
    font-size: 1.05em;
    color: var(--c-cobalt);
    line-height: 1.55;
}

/* ==========================================================================
   Treaty Card — landscape, map left + text right
   ========================================================================== */

.treaty-grid {
    display: grid;
    grid-template-columns: 1fr 1.6fr;
    gap: clamp(1rem, 3vw, 2.4rem);
    align-items: stretch;
}

.treaty-grid-reverse {
    grid-template-columns: 1.6fr 1fr;
}

.treaty-map {
    position: relative;
    background: var(--c-foxing);
    border: 3px solid var(--c-border);
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    min-height: 280px;
}

.pixel-map {
    flex: 1;
    width: 100%;
    background-color: var(--c-cobalt);
    background-image:
        linear-gradient(45deg, var(--c-sage) 25%, transparent 25%),
        linear-gradient(-45deg, var(--c-sage) 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, var(--c-ochre) 75%),
        linear-gradient(-45deg, transparent 75%, var(--c-ochre) 75%);
    background-size: 16px 16px;
    background-position: 0 0, 0 8px, 8px -8px, -8px 0;
    image-rendering: pixelated;
    box-shadow: inset 0 0 0 4px var(--c-walnut);
    min-height: 220px;
}

.pixel-map[data-region="europe"] {
    background-color: var(--c-cobalt);
    background-image:
        radial-gradient(circle at 30% 40%, var(--c-sage) 0, var(--c-sage) 24%, transparent 25%),
        radial-gradient(circle at 60% 30%, var(--c-sage) 0, var(--c-sage) 18%, transparent 19%),
        radial-gradient(circle at 70% 70%, var(--c-ochre) 0, var(--c-ochre) 12%, transparent 13%),
        linear-gradient(45deg, var(--c-cobalt) 0, var(--c-cobalt) 100%);
    background-size: 100% 100%;
    image-rendering: pixelated;
    filter: contrast(1.05);
}

.pixel-map-finland {
    background-color: var(--c-cobalt);
    background-image:
        radial-gradient(circle at 50% 30%, var(--c-sage) 0, var(--c-sage) 28%, transparent 29%),
        radial-gradient(circle at 60% 60%, var(--c-sage) 0, var(--c-sage) 18%, transparent 19%);
    background-size: 100% 100%;
}

.map-label {
    font-family: var(--font-pixel);
    font-size: 0.7rem;
    letter-spacing: 0.14em;
    color: var(--c-walnut);
    text-align: center;
    background: var(--c-parchment);
    padding: 0.3rem;
    border: 2px solid var(--c-walnut);
}

.treaty-text {
    position: relative;
    padding-bottom: 1.5rem;
}

/* Zellige tile border on treaty cards */
.zellige-border {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 8px;
    background-image:
        linear-gradient(45deg, var(--c-ochre) 25%, transparent 25%, transparent 75%, var(--c-ochre) 75%),
        linear-gradient(45deg, var(--c-cobalt) 25%, transparent 25%, transparent 75%, var(--c-cobalt) 75%);
    background-size: 16px 8px;
    background-position: 0 0, 8px 0;
    image-rendering: pixelated;
}

/* ==========================================================================
   Portrait Card — vertical photo + caption
   ========================================================================== */

.portrait-stack {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.6rem;
}

.postage-frame {
    position: relative;
    padding: 18px;
    background: var(--c-walnut);
    background-image:
        radial-gradient(circle at 9px 9px, var(--c-parchment) 5px, transparent 6px),
        radial-gradient(circle at 9px 9px, var(--c-parchment) 5px, transparent 6px);
    background-size: 18px 18px;
    background-position: 0 0;
    background-repeat: repeat;
    image-rendering: pixelated;
    width: min(360px, 70%);
}

.postage-frame::before {
    content: "";
    position: absolute;
    inset: 18px;
    background: var(--c-walnut);
    z-index: 0;
}

.pixel-photo {
    position: relative;
    z-index: 1;
    width: 100%;
    aspect-ratio: 4 / 3;
    image-rendering: pixelated;
    background-color: var(--c-cobalt);
    background-image:
        /* head silhouette */
        radial-gradient(circle at 50% 30%, var(--c-foxing) 0, var(--c-foxing) 14%, transparent 15%),
        /* shoulders */
        radial-gradient(ellipse at 50% 70%, var(--c-vermillion) 0, var(--c-vermillion) 28%, transparent 29%),
        /* background wash */
        linear-gradient(180deg, var(--c-cobalt) 0%, var(--c-walnut) 100%);
    background-size: 100% 100%;
    filter: contrast(1.15) saturate(0.9);
    border: 2px solid var(--c-walnut);
}

.pixel-photo-portrait {
    background-image:
        radial-gradient(circle at 50% 28%, var(--c-foxing) 0, var(--c-foxing) 12%, transparent 13%),
        radial-gradient(circle at 50% 35%, var(--c-walnut) 0, var(--c-walnut) 15%, transparent 16%),
        radial-gradient(ellipse at 50% 75%, var(--c-cobalt) 0, var(--c-cobalt) 32%, transparent 33%),
        linear-gradient(180deg, var(--c-foxing) 0%, var(--c-cobalt) 100%);
}

.pixel-photo-handshake {
    background-image:
        radial-gradient(ellipse at 30% 50%, var(--c-foxing) 0, var(--c-foxing) 18%, transparent 19%),
        radial-gradient(ellipse at 70% 50%, var(--c-foxing) 0, var(--c-foxing) 18%, transparent 19%),
        radial-gradient(ellipse at 50% 50%, var(--c-walnut) 0, var(--c-walnut) 12%, transparent 13%),
        linear-gradient(180deg, var(--c-cobalt) 0%, var(--c-walnut) 100%);
}

.portrait-caption {
    width: 100%;
    max-width: 640px;
    text-align: left;
}

/* ==========================================================================
   Artifact Card — square format with celtic corners
   ========================================================================== */

.artifact-grid {
    position: relative;
    text-align: center;
    padding: 1.6rem 1rem;
    min-height: 60vh;
}

.celtic-corner {
    position: absolute;
    width: 32px;
    height: 32px;
    background:
        linear-gradient(45deg, transparent 25%, var(--c-border) 25%, var(--c-border) 50%, transparent 50%),
        linear-gradient(-45deg, transparent 25%, var(--c-border) 25%, var(--c-border) 50%, transparent 50%),
        linear-gradient(45deg, var(--c-border) 25%, transparent 25%, transparent 75%, var(--c-border) 75%);
    background-size: 8px 8px;
    image-rendering: pixelated;
}

.celtic-tl { top: 0; left: 0; }
.celtic-tr { top: 0; right: 0; transform: scaleX(-1); }
.celtic-bl { bottom: 0; left: 0; transform: scaleY(-1); }
.celtic-br { bottom: 0; right: 0; transform: scale(-1, -1); }

.artifact-meta {
    justify-content: center;
}

.artifact-illustration {
    margin: 1.4rem auto;
    width: clamp(140px, 25vw, 240px);
    height: clamp(140px, 25vw, 240px);
    display: flex;
    align-items: center;
    justify-content: center;
}

.pixel-seal {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background-color: var(--c-vermillion);
    background-image:
        radial-gradient(circle at 50% 50%, var(--c-walnut) 0, var(--c-walnut) 8%, transparent 9%),
        radial-gradient(circle at 30% 40%, var(--c-sage) 0, var(--c-sage) 14%, transparent 15%),
        radial-gradient(circle at 70% 60%, var(--c-sage) 0, var(--c-sage) 14%, transparent 15%),
        radial-gradient(circle at 50% 50%, transparent 0, transparent 38%, var(--c-walnut) 39%, var(--c-walnut) 42%, transparent 43%);
    border: 4px solid var(--c-walnut);
    image-rendering: pixelated;
    box-shadow:
        inset 0 0 0 8px var(--c-vermillion),
        inset 0 0 0 12px var(--c-walnut),
        4px 4px 0 var(--c-foxing);
}

.pixel-tally {
    width: 100%;
    height: 100%;
    background:
        linear-gradient(180deg,
            var(--c-ochre) 0%, var(--c-ochre) 20%,
            var(--c-walnut) 20%, var(--c-walnut) 22%,
            var(--c-ochre) 22%, var(--c-ochre) 40%,
            var(--c-walnut) 40%, var(--c-walnut) 42%,
            var(--c-ochre) 42%, var(--c-ochre) 60%,
            var(--c-walnut) 60%, var(--c-walnut) 62%,
            var(--c-ochre) 62%, var(--c-ochre) 80%,
            var(--c-walnut) 80%, var(--c-walnut) 82%,
            var(--c-ochre) 82%, var(--c-ochre) 100%
        );
    background-size: 100% 100%;
    border: 4px solid var(--c-walnut);
    image-rendering: pixelated;
    transform: rotate(-15deg);
    box-shadow: 6px 6px 0 var(--c-foxing);
}

.artifact-body {
    max-width: 60ch;
    margin-left: auto;
    margin-right: auto;
    text-align: left;
}

/* ==========================================================================
   Timeline Card
   ========================================================================== */

.card-timeline .card-front { padding-top: 1.5rem; padding-bottom: 1.5rem; }

.timeline-band {
    margin: 0.6rem 0 1.4rem;
    flex-wrap: nowrap;
    gap: 2px;
}

.timeline-band .band-step {
    width: 14px;
    height: 14px;
}

.timeline-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding: 0.5rem 0;
    border-top: 3px double var(--c-cobalt);
    border-bottom: 3px double var(--c-cobalt);
    padding-top: 1.4rem;
    padding-bottom: 1.4rem;
    margin-bottom: 0.4rem;
}

.timeline-entry {
    display: grid;
    grid-template-columns: 24px 96px 1fr;
    gap: 1rem;
    align-items: center;
}

.timeline-marker {
    width: 12px;
    height: 12px;
    background: var(--c-vermillion);
    box-shadow:
        2px 0 0 var(--c-vermillion),
        0 2px 0 var(--c-vermillion),
        2px 2px 0 var(--c-vermillion),
        -2px 0 0 var(--c-walnut),
        0 -2px 0 var(--c-walnut);
    transform: scale(0);
    transition: transform 300ms ease;
}

.timeline-entry.is-revealed .timeline-marker {
    transform: scale(1);
}

.timeline-year {
    font-family: var(--font-pixel);
    font-size: 0.95rem;
    color: var(--c-vermillion);
    letter-spacing: 0.08em;
    overflow: hidden;
    white-space: nowrap;
    display: inline-block;
}

.timeline-event {
    font-family: var(--font-pixel);
    font-size: 0.78rem;
    letter-spacing: 0.1em;
    color: var(--c-walnut);
    overflow: hidden;
    white-space: nowrap;
    display: inline-block;
    position: relative;
}

.timeline-event.is-typing::after,
.timeline-year.is-typing::after {
    content: "";
    display: inline-block;
    width: 2px;
    height: 12px;
    background: var(--c-vermillion);
    margin-left: 4px;
    animation: blink-cursor 530ms step-end infinite;
    vertical-align: text-bottom;
}

@keyframes blink-cursor {
    50% { opacity: 0; }
}

/* ==========================================================================
   Atlas Card
   ========================================================================== */

.atlas-content {
    text-align: center;
}

.atlas-meta { justify-content: center; }

.atlas-frame {
    margin: 1.6rem auto 1rem;
    padding: 14px;
    background: var(--c-walnut);
    background-image:
        radial-gradient(circle at 7px 7px, var(--c-parchment) 4px, transparent 5px),
        radial-gradient(circle at 7px 7px, var(--c-parchment) 4px, transparent 5px);
    background-size: 14px 14px;
    background-repeat: repeat;
    width: min(720px, 100%);
    image-rendering: pixelated;
}

.atlas-map {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    background-color: var(--c-cobalt);
    border: 2px solid var(--c-walnut);
    image-rendering: pixelated;
}

.pixel-map-mediterranean {
    width: 100%;
    height: 100%;
    background-color: var(--c-cobalt);
    background-image:
        /* Iberian/N.Africa landmasses, simplified */
        radial-gradient(ellipse at 8% 30%, var(--c-ochre) 0, var(--c-ochre) 35%, transparent 36%),
        radial-gradient(ellipse at 28% 18%, var(--c-sage) 0, var(--c-sage) 28%, transparent 29%),
        radial-gradient(ellipse at 50% 22%, var(--c-sage) 0, var(--c-sage) 22%, transparent 23%),
        radial-gradient(ellipse at 70% 26%, var(--c-sage) 0, var(--c-sage) 24%, transparent 25%),
        radial-gradient(ellipse at 30% 80%, var(--c-ochre) 0, var(--c-ochre) 32%, transparent 33%),
        radial-gradient(ellipse at 62% 82%, var(--c-ochre) 0, var(--c-ochre) 28%, transparent 29%),
        radial-gradient(ellipse at 88% 76%, var(--c-ochre) 0, var(--c-ochre) 22%, transparent 23%);
    background-size: 100% 100%;
    image-rendering: pixelated;
    filter: contrast(1.1);
}

.atlas-point {
    position: absolute;
    left: var(--px, 50%);
    top: var(--py, 50%);
    transform: translate(-50%, -50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.point-dot {
    width: 12px;
    height: 12px;
    background: var(--c-vermillion);
    box-shadow:
        0 0 0 2px var(--c-walnut),
        2px 2px 0 var(--c-walnut);
    image-rendering: pixelated;
}

.point-label {
    font-family: var(--font-pixel);
    font-size: 0.62rem;
    letter-spacing: 0.1em;
    color: var(--c-parchment);
    background: var(--c-walnut);
    padding: 2px 5px;
    white-space: nowrap;
}

.atlas-legend {
    font-variation-settings: 'wght' 380, 'CASL' 0.6, 'slnt' -2;
    color: var(--c-cobalt);
    max-width: 56ch;
    margin: 1rem auto 0;
}

/* ==========================================================================
   Card Back
   ========================================================================== */

.back-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto 1fr;
    gap: 1.6rem;
    height: 100%;
    align-content: start;
}

.catalog-stamp-large {
    grid-column: 1;
    grid-row: 1;
    transform: rotate(-2deg);
    align-self: start;
    justify-self: start;
}

.catalog-stamp-large .stamp-line { font-size: 0.72rem; }
.catalog-stamp-large .stamp-emph { font-size: 1.1rem; color: var(--c-walnut); }

.back-mini-map {
    grid-column: 2;
    grid-row: 1;
    justify-self: end;
    text-align: center;
}

.pixel-mini-map {
    width: 96px;
    height: 64px;
    background-color: var(--c-cobalt);
    background-image:
        radial-gradient(circle at 30% 50%, var(--c-sage) 0, var(--c-sage) 25%, transparent 26%),
        radial-gradient(circle at 70% 60%, var(--c-ochre) 0, var(--c-ochre) 18%, transparent 19%);
    background-size: 100% 100%;
    border: 3px solid var(--c-walnut);
    image-rendering: pixelated;
    margin: 0 auto 0.4rem;
}

.pixel-mini-map-alps {
    background-image:
        radial-gradient(circle at 50% 40%, var(--c-foxing) 0, var(--c-foxing) 22%, transparent 23%),
        radial-gradient(circle at 50% 70%, var(--c-sage) 0, var(--c-sage) 20%, transparent 21%);
}
.pixel-mini-map-westphalia {
    background-image:
        radial-gradient(circle at 50% 50%, var(--c-sage) 0, var(--c-sage) 30%, transparent 31%);
}
.pixel-mini-map-globe {
    border-radius: 50%;
    background-image:
        radial-gradient(circle at 30% 30%, var(--c-sage) 0, var(--c-sage) 18%, transparent 19%),
        radial-gradient(circle at 70% 60%, var(--c-ochre) 0, var(--c-ochre) 22%, transparent 23%);
}
.pixel-mini-map-finland-small {
    background-image:
        radial-gradient(circle at 50% 30%, var(--c-sage) 0, var(--c-sage) 28%, transparent 29%);
}
.pixel-mini-map-tang {
    background-image:
        radial-gradient(circle at 50% 50%, var(--c-ochre) 0, var(--c-ochre) 35%, transparent 36%);
}
.pixel-mini-map-unknown {
    background-color: var(--c-walnut);
    background-image: repeating-linear-gradient(45deg,
        var(--c-walnut) 0, var(--c-walnut) 6px,
        var(--c-cobalt) 6px, var(--c-cobalt) 12px);
}
.pixel-mini-map-med {
    background-image:
        radial-gradient(ellipse at 30% 30%, var(--c-ochre) 0, var(--c-ochre) 20%, transparent 21%),
        radial-gradient(ellipse at 70% 70%, var(--c-ochre) 0, var(--c-ochre) 22%, transparent 23%);
}

.mini-map-label {
    font-family: var(--font-pixel);
    font-size: 0.62rem;
    letter-spacing: 0.1em;
    color: var(--c-walnut);
}

.back-annotation {
    grid-column: 1 / -1;
    grid-row: 2;
    font-variation-settings: 'wght' 420, 'CASL' 1.0, 'slnt' -8;
    font-size: 1.05rem;
    color: var(--c-walnut);
    line-height: 1.65;
    padding: 1.2rem 1.4rem;
    background: var(--c-parchment);
    border: 3px dashed var(--c-cobalt);
    max-width: 60ch;
    align-self: end;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.archive-footer {
    margin-top: 30vh;
    padding: 8vh 4vw 12vh;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    border-top: 4px double var(--c-cobalt);
}

.footer-text {
    font-family: var(--font-body);
    font-variation-settings: 'wght' 420, 'CASL' 0.85, 'slnt' -4;
    color: var(--c-cobalt);
    font-size: 1rem;
}

.footer-meta {
    font-family: var(--font-pixel);
    font-size: 0.7rem;
    letter-spacing: 0.18em;
    color: var(--c-walnut);
}

/* ==========================================================================
   Compass Rose
   ========================================================================== */

.compass-rose {
    position: fixed;
    bottom: 1.6rem;
    right: 1.6rem;
    z-index: 60;
    width: 96px;
    height: 96px;
    background: var(--c-night);
    border: 3px solid var(--c-walnut);
    box-shadow: 4px 4px 0 var(--c-foxing);
    image-rendering: pixelated;
    transition: transform 300ms ease;
}

.compass-rose:hover { transform: scale(1.05); }

.compass-frame {
    position: relative;
    width: 100%;
    height: 100%;
    background-image:
        /* Cardinal triangles in ochre */
        linear-gradient(0deg, transparent 50%, var(--c-ochre) 50%, var(--c-ochre) 60%, transparent 60%),
        radial-gradient(circle at 50% 50%, transparent 0, transparent 18%, var(--c-walnut) 19%, var(--c-walnut) 22%, transparent 23%);
    background-size: 100% 100%;
    image-rendering: pixelated;
}

.compass-dir {
    position: absolute;
    width: 28px;
    height: 28px;
    background: transparent;
    border: 0;
    cursor: pointer;
    padding: 0;
}

.compass-n { top: 4px; left: 50%; transform: translateX(-50%); }
.compass-s { bottom: 4px; left: 50%; transform: translateX(-50%); }
.compass-e { right: 4px; top: 50%; transform: translateY(-50%); }
.compass-w { left: 4px; top: 50%; transform: translateY(-50%); }

.compass-dir::before {
    content: "";
    position: absolute;
    inset: 0;
    background: var(--c-ochre);
    clip-path: polygon(50% 0, 100% 100%, 0 100%);
    transition: background 200ms ease, transform 200ms ease;
}

.compass-s::before { clip-path: polygon(0 0, 100% 0, 50% 100%); }
.compass-e::before { clip-path: polygon(0 0, 100% 50%, 0 100%); }
.compass-w::before { clip-path: polygon(100% 0, 100% 100%, 0 50%); }

.compass-dir:hover::before { background: var(--c-vermillion); transform: scale(1.12); }

.compass-needle {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 4px;
    height: 38px;
    background: linear-gradient(180deg, var(--c-vermillion) 0, var(--c-vermillion) 50%, var(--c-parchment) 50%, var(--c-parchment) 100%);
    transform-origin: 50% 50%;
    transform: translate(-50%, -50%) rotate(0deg);
    transition: transform 600ms cubic-bezier(0.4, 0.0, 0.2, 1.0);
    pointer-events: none;
    image-rendering: pixelated;
}

.compass-pivot {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 8px;
    height: 8px;
    background: var(--c-ochre);
    border: 2px solid var(--c-walnut);
    transform: translate(-50%, -50%);
    pointer-events: none;
    image-rendering: pixelated;
}

/* ==========================================================================
   Speaker Toggle
   ========================================================================== */

.speaker-toggle {
    position: fixed;
    bottom: 1.6rem;
    left: 1.6rem;
    z-index: 60;
    width: 40px;
    height: 40px;
    background: var(--c-walnut);
    border: 2px solid var(--c-walnut);
    box-shadow: 3px 3px 0 var(--c-foxing);
    cursor: pointer;
    padding: 0;
    image-rendering: pixelated;
}

.speaker-pixel {
    display: block;
    width: 100%;
    height: 100%;
    background:
        /* speaker box */
        linear-gradient(90deg, var(--c-ochre) 0, var(--c-ochre) 28%, transparent 28%),
        /* horn */
        linear-gradient(45deg, transparent 28%, var(--c-ochre) 28%, var(--c-ochre) 60%, transparent 60%);
    background-size: 100% 60%;
    background-position: 0 50%;
    background-repeat: no-repeat;
    position: relative;
}

.speaker-pixel.speaker-muted::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--c-vermillion);
    transform: translateY(-50%) rotate(-25deg);
    image-rendering: pixelated;
}

.speaker-pixel.speaker-on::after { display: none; }

/* ==========================================================================
   Pixel-dust particles
   ========================================================================== */

.pixel-dust-stage {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 70;
    overflow: hidden;
}

.dust-particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--c-foxing);
    image-rendering: pixelated;
    box-shadow: 1px 1px 0 var(--c-walnut);
    opacity: 0;
    animation: dust-rise 800ms ease-out forwards;
}

@keyframes dust-rise {
    0% { transform: translate(0, 0); opacity: 1; }
    50% { opacity: 0.85; }
    100% { transform: translate(var(--dx, 0px), var(--dy, -40px)); opacity: 0; }
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 1024px) {
    .treaty-grid,
    .treaty-grid-reverse {
        grid-template-columns: 1fr;
    }
    .back-grid {
        grid-template-columns: 1fr;
    }
    .catalog-stamp-large,
    .back-mini-map,
    .back-annotation {
        grid-column: 1;
        justify-self: start;
    }
}

@media (max-width: 640px) {
    .archive-stack {
        gap: 25vh;
    }
    .card {
        width: 95vw;
    }
    .compass-rose {
        width: 64px;
        height: 64px;
    }
    .compass-dir {
        width: 22px;
        height: 22px;
    }
    .header-tagline { font-size: 0.95rem; }
    .timeline-entry {
        grid-template-columns: 16px 70px 1fr;
        gap: 0.6rem;
    }
    .postage-frame { width: 90%; }
    .back-annotation { font-size: 0.95rem; }
}