/* ============================================================
   historic.quest v2 -- brutalist archival
   Palette: concrete-blend with oxblood signal
   ============================================================ */

:root {
    --concrete-deep: #2A2724;
    --concrete-mid: #3A3733;
    --concrete-edge: #4D4945;
    --concrete-light: #5A5650;
    --stone-bone: #B8B0A1;
    --document-cream: #E8E2D6;
    --oxblood: #8C2A23;
    --ink-black: #14110E;

    --baseline: 24px;
    --gutter: 96px;

    --font-display: 'Archivo Black', 'Impact', sans-serif;
    --font-serif: 'DM Serif Display', 'Georgia', serif;
    --font-mono: 'IBM Plex Mono', 'Menlo', 'Courier New', monospace;
}

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

html, body {
    background: var(--concrete-deep);
    color: var(--stone-bone);
    font-family: var(--font-mono);
    font-size: 15px;
    line-height: 1.7;
    overflow-x: hidden;
    scroll-behavior: smooth;
}

body {
    position: relative;
    min-height: 100vh;
}

/* film-grain overlay */
.grain-layer {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.06;
    mix-blend-mode: overlay;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

/* ============================================================
   VAULT DOORS
   ============================================================ */
.vault {
    position: relative;
    width: 100%;
    height: 100vh;
    min-height: 640px;
    background: var(--concrete-deep);
    overflow: hidden;
    display: grid;
    place-items: center;
}

.vault-grid {
    position: absolute;
    inset: 0;
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    grid-template-rows: repeat(8, 1fr);
    gap: 1px;
    background: var(--concrete-edge);
    z-index: 1;
}

.vault-cell {
    background: var(--ink-black);
    position: relative;
    transition: background 480ms ease-out;
}

.vault-cell.lit {
    background: var(--concrete-mid);
}

.vault-cell.lit::after {
    content: '';
    position: absolute;
    inset: 8px;
    border: 1px solid var(--concrete-edge);
    pointer-events: none;
}

.vault-wordmark {
    position: relative;
    z-index: 3;
    text-align: center;
    color: var(--stone-bone);
    pointer-events: none;
}

.wm-line {
    font-family: var(--font-display);
    font-size: clamp(48px, 8vw, 120px);
    line-height: 1;
    letter-spacing: -0.01em;
    color: var(--stone-bone);
    text-transform: uppercase;
}

.wm-line span {
    display: inline-block;
    transform: translateY(-12px);
    opacity: 0;
    transition: transform 420ms cubic-bezier(0.2, 0.8, 0.2, 1), opacity 360ms ease-out;
}

.wm-line.revealed span {
    transform: translateY(0);
    opacity: 1;
}

.wm-divider {
    font-family: var(--font-mono);
    font-size: clamp(14px, 1.4vw, 22px);
    color: var(--oxblood);
    letter-spacing: 0.4em;
    margin: 12px 0;
    opacity: 0;
    transform: scaleX(0.4);
    transform-origin: center;
    transition: opacity 480ms ease-out 600ms, transform 480ms ease-out 600ms;
}

.vault-wordmark.flicker .wm-line,
.vault-wordmark.flicker .wm-divider {
    opacity: 0.7;
    transition: opacity 60ms;
}

.vault-wordmark.show .wm-divider {
    opacity: 1;
    transform: scaleX(1);
}

.vault-corner {
    position: absolute;
    z-index: 4;
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.12em;
    color: var(--concrete-light);
    text-transform: uppercase;
    pointer-events: none;
}

.vault-corner.tl { top: 24px; left: 24px; }
.vault-corner.tr { top: 24px; right: 24px; }
.vault-corner.bl { bottom: 84px; left: 24px; }
.vault-corner.br { bottom: 84px; right: 24px; }

.dossier-bar {
    position: absolute;
    bottom: 24px;
    left: 24px;
    right: 24px;
    z-index: 4;
    background: var(--oxblood);
    color: var(--document-cream);
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 11px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    padding: 6px 16px;
    display: flex;
    align-items: center;
    gap: 16px;
    height: 24px;
    transform: translateX(-110%);
    transition: transform 720ms cubic-bezier(0.2, 0.8, 0.25, 1.05) 700ms;
}

.dossier-bar.show {
    transform: translateX(0);
}

.db-stamp {
    background: var(--ink-black);
    padding: 1px 6px;
    color: var(--document-cream);
}

.db-sep {
    color: var(--document-cream);
    opacity: 0.7;
}

.db-text {
    flex: 1;
    text-align: center;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}

.scroll-indicator {
    position: absolute;
    bottom: 60px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 4;
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.2em;
    color: var(--concrete-light);
    text-transform: uppercase;
    opacity: 0;
    transition: opacity 480ms ease-out 1400ms;
}

.scroll-indicator.show {
    opacity: 1;
}

.si-line {
    display: block;
    width: 48px;
    height: 1px;
    background: var(--oxblood);
    transform-origin: left;
    animation: si-pulse 2400ms ease-in-out infinite;
}

@keyframes si-pulse {
    0%, 100% { transform: scaleX(0.3); }
    50%      { transform: scaleX(1); }
}

/* ============================================================
   SURVEY MAP
   ============================================================ */
.survey {
    position: relative;
    width: 100%;
    min-height: 140vh;
    background: var(--concrete-deep);
    overflow: hidden;
    padding: var(--gutter) 24px;
}

.survey-header {
    position: relative;
    z-index: 3;
    max-width: 720px;
    margin-bottom: var(--gutter);
}

.sh-label, .ch-label, .fr-label, .cipher-label {
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 11px;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--oxblood);
    margin-bottom: 12px;
    display: inline-block;
    padding: 2px 8px;
    border: 1px solid var(--oxblood);
}

.sh-title, .ch-title, .fr-title, .cipher-title {
    font-family: var(--font-serif);
    font-weight: 400;
    font-size: clamp(28px, 3.5vw, 56px);
    line-height: 1.05;
    color: var(--stone-bone);
    margin: 0 0 16px;
}

.sh-meta, .ch-meta {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--concrete-light);
}

.survey-svg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

.contours path {
    fill: none;
    stroke: var(--concrete-light);
    stroke-width: 1;
    transition: stroke 240ms ease-out, opacity 240ms ease-out;
    opacity: 0.55;
}

.contours path.bright {
    stroke: var(--stone-bone);
    opacity: 1;
}

.grid-lines line {
    stroke: var(--concrete-edge);
    stroke-width: 1;
    stroke-dasharray: 2 6;
    opacity: 0.5;
}

.survey-pins {
    position: absolute;
    inset: 0;
    z-index: 2;
}

.pin {
    position: absolute;
    width: 32px;
    height: 32px;
    transform: translate(-50%, -50%);
    cursor: pointer;
    z-index: 3;
}

.pin-circle {
    position: absolute;
    inset: 4px;
    border: 1px solid var(--oxblood);
    border-radius: 50%;
    background: rgba(140, 42, 35, 0.06);
    transition: transform 280ms cubic-bezier(0.2, 0.8, 0.2, 1), background 200ms;
}

.pin-cross::before,
.pin-cross::after {
    content: '';
    position: absolute;
    background: var(--oxblood);
}
.pin-cross::before {
    left: 50%; top: 8px; bottom: 8px;
    width: 1px; transform: translateX(-50%);
}
.pin-cross::after {
    top: 50%; left: 8px; right: 8px;
    height: 1px; transform: translateY(-50%);
}

.pin-dot {
    position: absolute;
    left: 50%; top: 50%;
    width: 4px; height: 4px;
    background: var(--oxblood);
    border-radius: 50%;
    transform: translate(-50%, -50%);
}

.pin-label {
    position: absolute;
    left: 36px;
    top: 50%;
    transform: translateY(-50%);
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 10px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--stone-bone);
    background: var(--concrete-deep);
    padding: 2px 6px;
    white-space: nowrap;
    border: 1px solid var(--concrete-edge);
}

.pin:hover .pin-circle {
    transform: rotate(45deg) scale(1.3);
    background: rgba(140, 42, 35, 0.18);
}

.pin.active .pin-circle {
    transform: rotate(45deg) scale(1.45);
    background: var(--oxblood);
}

.pin.active .pin-cross::before,
.pin.active .pin-cross::after,
.pin.active .pin-dot {
    background: var(--document-cream);
}

.case-panel {
    position: absolute;
    top: 96px;
    right: 24px;
    width: min(380px, 90vw);
    background: var(--concrete-mid);
    border: 1px solid var(--concrete-edge);
    padding: 24px;
    z-index: 5;
    transform: translateX(110%);
    transition: transform 360ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.case-panel[data-open="true"] {
    transform: translateX(0);
}

.case-panel::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 24px; height: 1px;
    background: var(--oxblood);
}

.case-panel::after {
    content: '';
    position: absolute;
    top: 0; left: 0;
    height: 24px; width: 1px;
    background: var(--oxblood);
}

.cp-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.cp-tag {
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 10px;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--oxblood);
    background: var(--concrete-deep);
    padding: 2px 8px;
    border: 1px solid var(--oxblood);
}

.cp-id {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.18em;
    color: var(--concrete-light);
}

.cp-title {
    font-family: var(--font-serif);
    font-weight: 400;
    font-size: 28px;
    line-height: 1.05;
    color: var(--stone-bone);
    margin: 0 0 12px;
}

.cp-coords {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.18em;
    color: var(--concrete-light);
    margin-bottom: 16px;
}

.cp-quote {
    font-family: var(--font-mono);
    font-size: 13px;
    line-height: 1.65;
    color: var(--stone-bone);
    font-style: italic;
    border-left: 2px solid var(--oxblood);
    padding-left: 12px;
    margin: 0 0 16px;
}

.cp-meta {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-top: 1px solid var(--concrete-edge);
    border-bottom: 1px solid var(--concrete-edge);
    margin-bottom: 16px;
}

.cp-meta-label {
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 10px;
    letter-spacing: 0.2em;
    color: var(--concrete-light);
}

.cp-meta-value {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--stone-bone);
    letter-spacing: 0.1em;
}

.cp-cta {
    display: block;
    width: 100%;
    background: transparent;
    color: var(--oxblood);
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 12px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    padding: 12px 16px;
    border: none;
    cursor: pointer;
    position: relative;
}

.cp-cta::before, .cp-cta::after,
.cp-cta span::before, .cp-cta span::after {
    content: '';
    position: absolute;
    background: var(--oxblood);
}

/* corner brackets via 4 pseudo elements */
.cp-cta::before {
    top: 0; left: 0; width: 12px; height: 1px;
    box-shadow: 0 0 0 0 transparent;
}
.cp-cta::after {
    top: 0; left: 0; height: 12px; width: 1px;
}

.cp-cta {
    background-image:
        linear-gradient(to right, var(--oxblood), var(--oxblood)),
        linear-gradient(to bottom, var(--oxblood), var(--oxblood)),
        linear-gradient(to right, var(--oxblood), var(--oxblood)),
        linear-gradient(to bottom, var(--oxblood), var(--oxblood)),
        linear-gradient(to right, var(--oxblood), var(--oxblood)),
        linear-gradient(to bottom, var(--oxblood), var(--oxblood)),
        linear-gradient(to right, var(--oxblood), var(--oxblood)),
        linear-gradient(to bottom, var(--oxblood), var(--oxblood));
    background-position:
        top left, top left,
        top right, top right,
        bottom left, bottom left,
        bottom right, bottom right;
    background-size:
        14px 1px, 1px 14px,
        14px 1px, 1px 14px,
        14px 1px, 1px 14px,
        14px 1px, 1px 14px;
    background-repeat: no-repeat;
    transition: transform 200ms ease-out, color 200ms;
}

.cp-cta:hover {
    color: var(--document-cream);
    transform: translate(1px, 1px);
}

.cp-cta:active {
    transform: translate(2px, 2px);
}

.survey-corner {
    position: absolute;
    z-index: 4;
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.14em;
    color: var(--concrete-light);
    text-transform: uppercase;
    pointer-events: none;
}

.survey-corner.tl { top: 16px; left: 24px; }
.survey-corner.tr { top: 16px; right: 24px; }
.survey-corner.bl { bottom: 16px; left: 24px; }
.survey-corner.br { bottom: 16px; right: 24px; }

/* ============================================================
   CARD CATALOG
   ============================================================ */
.catalog {
    position: relative;
    width: 100%;
    background: var(--concrete-deep);
    padding: var(--gutter) 24px;
    overflow: hidden;
}

.catalog-header {
    max-width: 720px;
    margin: 0 auto var(--gutter) 0;
    padding-left: 24px;
}

.catalog-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    max-width: 1480px;
    margin: 0 auto;
    perspective: 1000px;
}

.catalog-column {
    display: flex;
    flex-direction: column;
    gap: 24px;
    will-change: transform;
}

.index-card {
    position: relative;
    background: var(--document-cream);
    color: var(--ink-black);
    width: 100%;
    aspect-ratio: 320 / 480;
    padding: 56px 24px 24px;
    box-sizing: border-box;
    background-image: repeating-linear-gradient(
        to bottom,
        transparent,
        transparent 23px,
        rgba(140, 42, 35, 0.18) 23px,
        rgba(140, 42, 35, 0.18) 24px
    );
    transform-origin: center;
    transition: transform 480ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.index-card::before {
    /* hole punch */
    content: '';
    position: absolute;
    top: 14px;
    left: 14px;
    width: 12px;
    height: 12px;
    background: var(--concrete-deep);
    border-radius: 50%;
    box-shadow: 0 0 0 1px rgba(20, 17, 14, 0.35);
}

.index-card::after {
    /* big numeral stamp */
    content: attr(data-num);
    position: absolute;
    top: 12px;
    right: 16px;
    font-family: var(--font-display);
    font-size: 56px;
    color: rgba(140, 42, 35, 0.18);
    line-height: 1;
    letter-spacing: -0.02em;
}

.ic-era {
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--oxblood);
    margin-bottom: 16px;
    border-bottom: 1px solid rgba(140, 42, 35, 0.4);
    padding-bottom: 4px;
    display: inline-block;
}

.ic-title {
    font-family: var(--font-serif);
    font-weight: 400;
    font-size: 26px;
    line-height: 1.1;
    color: var(--ink-black);
    margin-bottom: 16px;
}

.ic-quote {
    font-family: var(--font-mono);
    font-size: 11px;
    line-height: 1.7;
    color: var(--ink-black);
    margin-bottom: 16px;
}

.ic-foot {
    position: absolute;
    bottom: 16px;
    left: 24px;
    right: 24px;
    display: flex;
    justify-content: space-between;
    font-family: var(--font-mono);
    font-size: 9px;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--ink-black);
    opacity: 0.7;
    border-top: 1px solid rgba(20, 17, 14, 0.2);
    padding-top: 6px;
}

.ic-stamp {
    position: absolute;
    bottom: 64px;
    right: 24px;
    border: 1px solid var(--oxblood);
    color: var(--oxblood);
    font-family: var(--font-mono);
    font-size: 9px;
    font-weight: 600;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    padding: 2px 6px;
    transform: rotate(-6deg);
    background: rgba(232, 226, 214, 0.6);
}

@media (max-width: 1100px) {
    .catalog-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
    .catalog-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   FIELD REPORT
   ============================================================ */
.field-report {
    position: relative;
    width: 100%;
    background: var(--concrete-deep);
    padding: var(--gutter) 24px;
    overflow: hidden;
}

.fr-header {
    max-width: 920px;
    margin: 0 auto var(--baseline) auto;
}

.fr-document {
    position: relative;
    max-width: 920px;
    margin: 0 auto;
    background: var(--document-cream);
    color: var(--ink-black);
    padding: 64px 72px;
    overflow: hidden;
    background-image:
        radial-gradient(circle at 12% 18%, rgba(60, 40, 20, 0.10), transparent 18%),
        radial-gradient(circle at 88% 70%, rgba(60, 40, 20, 0.08), transparent 16%);
}

.fr-stamp {
    position: absolute;
    border: 2px solid var(--oxblood);
    color: var(--oxblood);
    font-family: var(--font-mono);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    padding: 6px 14px;
    background: rgba(232, 226, 214, 0.85);
}

.fr-stamp-tl {
    top: 32px;
    left: 40px;
    transform: rotate(-8deg);
}

.fr-stamp-tr {
    top: 28px;
    right: 36px;
    transform: rotate(6deg);
}

.fr-coffee {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    background: radial-gradient(circle, transparent 58%, rgba(80, 50, 25, 0.35) 60%, rgba(80, 50, 25, 0.08) 70%, transparent 78%);
}

.fr-coffee-1 { width: 180px; height: 180px; top: 60%; left: 5%; }
.fr-coffee-2 { width: 120px; height: 120px; top: 12%; right: 22%; opacity: 0.7; }

.fr-doc-head {
    position: relative;
    z-index: 2;
    margin-top: 32px;
    margin-bottom: 24px;
    font-family: var(--font-mono);
    font-size: 12px;
}

.fr-row {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: 12px;
    padding: 4px 0;
    border-bottom: 1px solid rgba(20, 17, 14, 0.15);
}

.fr-key {
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--oxblood);
}

.fr-val {
    color: var(--ink-black);
}

.fr-rule {
    position: relative;
    height: 4px;
    border-top: 1px solid rgba(20, 17, 14, 0.4);
    border-bottom: 1px solid rgba(20, 17, 14, 0.4);
    margin: 24px 0;
}

.fr-body {
    position: relative;
    z-index: 2;
    font-family: var(--font-mono);
    font-size: 13px;
    line-height: 1.85;
    color: var(--ink-black);
}

.fr-body p {
    margin-bottom: 16px;
}

.fr-redact {
    position: relative;
    display: inline-block;
    background: var(--ink-black);
    color: var(--ink-black);
    padding: 0 6px;
    cursor: pointer;
    user-select: none;
    transition: background 280ms ease-out, color 320ms ease-out, transform 200ms;
    border: 1px solid var(--ink-black);
}

.fr-redact:hover {
    background: transparent;
    color: var(--oxblood);
    transform: translateX(-2px);
}

.fr-sign {
    margin-top: 24px;
    font-weight: 600;
    letter-spacing: 0.18em;
    color: var(--oxblood);
}

.fr-foot {
    position: relative;
    z-index: 2;
    display: flex;
    justify-content: space-between;
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--concrete-light);
    color: rgba(20, 17, 14, 0.55);
    margin-top: 16px;
}

@media (max-width: 720px) {
    .fr-document { padding: 48px 28px; }
    .fr-stamp-tl, .fr-stamp-tr { font-size: 11px; padding: 4px 10px; }
    .fr-coffee-1 { display: none; }
}

/* ============================================================
   CIPHER FOOTER
   ============================================================ */
.cipher {
    position: relative;
    width: 100%;
    background: var(--concrete-deep);
    padding: var(--gutter) 48px;
    overflow: hidden;
}

.cipher-corners .cc {
    position: absolute;
    width: 48px;
    height: 48px;
    border: 0 solid var(--oxblood);
}

.cc.tl { top: 24px; left: 24px;    border-top-width: 2px; border-left-width: 2px; }
.cc.tr { top: 24px; right: 24px;   border-top-width: 2px; border-right-width: 2px; }
.cc.bl { bottom: 24px; left: 24px; border-bottom-width: 2px; border-left-width: 2px; }
.cc.br { bottom: 24px; right: 24px;border-bottom-width: 2px; border-right-width: 2px; }

.cipher-head {
    max-width: 720px;
    margin: 0 auto var(--gutter) auto;
    text-align: center;
}

.cipher-head .cipher-label,
.cipher-head .cipher-title {
    margin-left: auto;
    margin-right: auto;
}

.cipher-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    grid-template-rows: repeat(4, 88px);
    gap: 1px;
    background: var(--concrete-edge);
    border: 1px solid var(--concrete-edge);
    max-width: 1100px;
    margin: 0 auto 64px auto;
    position: relative;
}

.cipher-cell {
    background: var(--concrete-deep);
    padding: 12px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.12em;
    color: var(--stone-bone);
    text-transform: uppercase;
    overflow: hidden;
    position: relative;
}

.cipher-cell .cc-num {
    color: var(--oxblood);
    font-weight: 600;
    font-size: 9px;
    letter-spacing: 0.22em;
}

.cipher-cell .cc-text {
    font-size: 11px;
    color: var(--stone-bone);
    word-break: break-word;
}

.cipher-cell .cc-meta {
    color: var(--concrete-light);
    font-size: 9px;
    letter-spacing: 0.18em;
}

.cipher-cell .cc-text .typed::after {
    content: '';
    display: inline-block;
    width: 6px;
    height: 11px;
    background: var(--oxblood);
    margin-left: 2px;
    vertical-align: middle;
    animation: caret 800ms steps(2) infinite;
}

@keyframes caret {
    50% { opacity: 0; }
}

.cipher-seal {
    position: absolute;
    top: calc(var(--gutter) + 16px);
    left: 50%;
    transform: translateX(-50%);
    width: 96px;
    height: 96px;
    pointer-events: none;
    opacity: 0.6;
}

.cipher-seal svg {
    width: 100%;
    height: 100%;
}

.seal-ring {
    fill: none;
    stroke: var(--oxblood);
    stroke-width: 1;
    stroke-dasharray: 600;
    stroke-dashoffset: 600;
    transition: stroke-dashoffset 1600ms ease-out;
}

.cipher-seal.draw .seal-ring-1 { stroke-dashoffset: 0; transition-delay: 0ms; }
.cipher-seal.draw .seal-ring-2 { stroke-dashoffset: 0; transition-delay: 200ms; }
.cipher-seal.draw .seal-ring-3 { stroke-dashoffset: 0; transition-delay: 400ms; }

.seal-dot {
    fill: var(--oxblood);
}

.seal-ticks line {
    stroke: var(--oxblood);
    stroke-width: 1;
}

.seal-text {
    font-family: 'Archivo Black', sans-serif;
    font-size: 22px;
    fill: var(--stone-bone);
    letter-spacing: 0.04em;
}

.cipher-foot {
    display: flex;
    justify-content: space-between;
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.2em;
    color: var(--concrete-light);
    text-transform: uppercase;
    max-width: 1100px;
    margin: 0 auto;
    border-top: 1px solid var(--concrete-edge);
    padding-top: 16px;
}

@media (max-width: 900px) {
    .cipher-grid { grid-template-columns: repeat(3, 1fr); grid-template-rows: repeat(8, 80px); }
}
@media (max-width: 520px) {
    .cipher-grid { grid-template-columns: repeat(2, 1fr); grid-template-rows: repeat(12, 80px); }
    .cipher-foot { flex-direction: column; gap: 8px; text-align: center; }
}

/* ============================================================
   utility
   ============================================================ */
::selection {
    background: var(--oxblood);
    color: var(--document-cream);
}