/* =====================================================
   licence.broker — A quiet notarial folio.
   Palette: vault-green, brass, parchment, single plum.
   ===================================================== */

:root {
    --c-midnight:      #0e1a14;
    --c-vault:         #1c2a22;
    --c-moss:          #2c4438;
    --c-olive:         #5e6b53;
    --c-brass:         #a89a78;
    --c-parchment:     #e8dcc4;
    --c-ivory:         #f3ecd9;
    --c-plum:          #7a3a4a;

    --grain-warm:      #1f2d24;
    --rule-soft:       rgba(168, 154, 120, 0.35);
    --rule-hair:       rgba(168, 154, 120, 0.18);

    --ff-display: "Faustina", "Inter", Georgia, serif;
    --ff-body:    "Hind", "Lato", "Inter", system-ui, sans-serif;
    --ff-mono:    "DM Mono", "Space Mono", ui-monospace, monospace;

    --rail-x: 8vw;

    /* lens position is updated globally by JS */
    --lens-x: 50vw;
    --lens-y: 50vh;

    --ease-cert: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-mag:  cubic-bezier(0.22, 1, 0.36, 1);
}

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

html, body {
    width: 100%;
    overflow-x: hidden;
}

html {
    background: var(--c-vault);
    cursor: none;
    scroll-behavior: smooth;
}

body {
    background:
        radial-gradient(120vh 80vh at 50% -20vh, rgba(168, 154, 120, 0.05) 0%, transparent 70%),
        radial-gradient(160vh 100vh at 50% 120vh, rgba(14, 26, 20, 0.5) 0%, transparent 60%),
        var(--c-vault);
    color: var(--c-parchment);
    font-family: var(--ff-body);
    font-size: 16.5px;
    line-height: 1.62;
    letter-spacing: 0.005em;
    font-weight: 300;
    font-variant-numeric: tabular-nums;
    min-height: 100vh;
    position: relative;

    /* hair-rule grid as tiled SVG background */
    background-image:
        url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='96' height='96' viewBox='0 0 96 96'><g stroke='%23a89a78' stroke-width='0.25' opacity='0.08'><line x1='0' y1='0' x2='96' y2='0'/><line x1='0' y1='96' x2='96' y2='96'/><line x1='0' y1='0' x2='0' y2='96'/><line x1='96' y1='0' x2='96' y2='96'/><line x1='48' y1='0' x2='48' y2='96'/><line x1='0' y1='48' x2='96' y2='48'/></g></svg>"),
        radial-gradient(120vh 80vh at 50% -20vh, rgba(168, 154, 120, 0.05) 0%, transparent 70%),
        var(--c-vault);
    background-repeat: repeat, no-repeat, no-repeat;
}

/* =====================================================
   Bespoke cursor — brass crosshair + hair-circle
   ===================================================== */
.cursor {
    position: fixed;
    top: 0;
    left: 0;
    width: 18px;
    height: 18px;
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    will-change: transform;
    transition: opacity 220ms var(--ease-cert);
}

.cursor-cross {
    position: absolute;
    inset: 0;
    transition: transform 320ms var(--ease-mag);
}

.cursor-cross::before,
.cursor-cross::after {
    content: "";
    position: absolute;
    background: var(--c-brass);
}

.cursor-cross::before {
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    transform: translateY(-50%);
}

.cursor-cross::after {
    left: 50%;
    top: 0;
    bottom: 0;
    width: 1px;
    transform: translateX(-50%);
}

.cursor-ring {
    position: absolute;
    width: 52px;
    height: 52px;
    border: 1px solid var(--c-brass);
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    opacity: 0.35;
    transition: opacity 320ms var(--ease-cert), transform 480ms var(--ease-cert);
}

.cursor.cursor--over-cert .cursor-cross {
    transform: rotate(45deg);
}

.cursor.cursor--over-seal {
    opacity: 0;
}

/* =====================================================
   Vertical binding rule (the dossier spine)
   ===================================================== */
.binding {
    position: fixed;
    top: 0;
    bottom: 0;
    left: var(--rail-x);
    width: 1px;
    background: var(--rule-soft);
    z-index: 1;
    pointer-events: none;
}

.binding::before,
.binding::after {
    content: "";
    position: absolute;
    left: -3px;
    width: 7px;
    height: 1px;
    background: var(--c-brass);
    opacity: 0.5;
}
.binding::before { top: 14vh; }
.binding::after  { bottom: 14vh; }

/* =====================================================
   Vertical timeline rail
   ===================================================== */
.rail {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: var(--rail-x);
    z-index: 2;
    pointer-events: none;
    font-family: var(--ff-mono);
    font-size: 10.5px;
    color: var(--c-olive);
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.rail-line {
    position: absolute;
    top: 8vh;
    bottom: 8vh;
    left: calc(var(--rail-x) - 1px);
    width: 1px;
    background: var(--c-moss);
}

.rail-marks {
    position: absolute;
    top: 8vh;
    bottom: 8vh;
    left: 0;
    right: 0;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 0 18px 0 18px;
}

.rail-mark {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--c-olive);
    transition: color 360ms var(--ease-cert), opacity 360ms var(--ease-cert);
    opacity: 0.55;
    transform: translateX(0);
}

.rail-mark::before {
    content: "";
    width: 12px;
    height: 1px;
    background: var(--c-brass);
    opacity: 0.7;
}

.rail-mark.is-active {
    color: var(--c-parchment);
    opacity: 1;
}

.rail-mark.is-active::before {
    width: 22px;
    background: var(--c-parchment);
}

.rail-mark .rail-mark-time {
    font-size: 10px;
    color: var(--c-olive);
}

.rail-mark.is-active .rail-mark-time {
    color: var(--c-brass);
}

/* =====================================================
   Lot-counter cartouche (top-right)
   ===================================================== */
.lot-counter {
    position: fixed;
    top: 28px;
    right: 28px;
    width: 124px;
    height: 56px;
    z-index: 4;
    pointer-events: none;
}

.lot-counter-frame {
    position: relative;
    width: 100%;
    height: 100%;
    border: 1px solid var(--c-brass);
    background: rgba(28, 42, 34, 0.85);
    backdrop-filter: blur(2px);
    display: grid;
    grid-template-columns: auto 1fr auto auto;
    align-items: center;
    column-gap: 6px;
    padding: 0 12px;
    font-family: var(--ff-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--c-parchment);
}

.lot-counter-frame::before,
.lot-counter-frame::after {
    content: "";
    position: absolute;
    width: 8px;
    height: 8px;
    border: 1px solid var(--c-brass);
    border-right: none;
    border-bottom: none;
}
.lot-counter-frame::before { top: -1px; left: -1px; }
.lot-counter-frame::after  {
    bottom: -1px; right: -1px;
    border: 1px solid var(--c-brass);
    border-left: none;
    border-top: none;
}

.lot-counter-label { color: var(--c-olive); }
.lot-counter-num {
    font-family: var(--ff-display);
    font-size: 20px;
    color: var(--c-parchment);
    font-weight: 500;
    letter-spacing: -0.01em;
    transition: opacity 180ms var(--ease-cert);
}
.lot-counter-num.is-fading { opacity: 0; }
.lot-counter-sep   { color: var(--c-moss); }
.lot-counter-total { color: var(--c-brass); }

/* =====================================================
   Folio container — modular blocks on a 14-col grid
   ===================================================== */
.folio {
    position: relative;
    z-index: 2;
    padding: 12vh calc(var(--rail-x) + 4vw) 14vh calc(var(--rail-x) + 4vw);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 14vh;
}

.lot {
    position: relative;
    width: clamp(320px, var(--block-w, 60vw), 1400px);
    contain: layout paint;
    isolation: isolate;
    /* alternating alignment for varied composition */
    align-self: flex-start;
}

.lot:nth-of-type(2n)   { align-self: center; }
.lot:nth-of-type(3n)   { align-self: flex-end; }
.lot:nth-of-type(4n+1) { align-self: flex-start; }

.lot-bed {
    position: absolute;
    inset: -8px -8px -8px -8px;
    background:
        linear-gradient(180deg, rgba(168,154,120,0.04), rgba(14,26,20,0.04)),
        var(--grain-warm);
    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='0.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.66  0 0 0 0 0.6 0 0 0 0 0.47 0 0 0 0.04 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
    box-shadow:
        0 1px 0 rgba(168, 154, 120, 0.06),
        0 24px 60px -36px rgba(0, 0, 0, 0.85),
        0 4px 16px -8px rgba(0, 0, 0, 0.6);
    transform: translateZ(-2px) scale(0.998);
    transition: transform 600ms var(--ease-cert);
    z-index: -1;
}

.lot-bed--deep {
    background:
        linear-gradient(180deg, rgba(0,0,0,0.5), rgba(14,26,20,0.4)),
        var(--c-midnight);
}

/* =====================================================
   Cartouche frame — the certificate composition
   ===================================================== */
.cartouche {
    position: relative;
    padding: 44px 44px 36px 44px;
    background: rgba(28, 42, 34, 0.55);
    border: 0;
    transform: translateY(0) translateZ(0);
    will-change: transform, opacity;
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 600ms var(--ease-cert), transform 600ms var(--ease-cert);
}

.cartouche.is-in {
    opacity: 1;
    transform: translateY(0);
}

.cartouche::before {
    /* hairline rectangle inset 18px, with corner-tick accents */
    content: "";
    position: absolute;
    inset: 18px;
    border: 1px solid var(--c-moss);
    pointer-events: none;
}

.cartouche::after {
    /* corner ticks via SVG mask */
    content: "";
    position: absolute;
    inset: 18px;
    pointer-events: none;
    background-image:
        linear-gradient(to right, var(--c-brass) 0, var(--c-brass) 12px, transparent 12px),
        linear-gradient(to bottom, var(--c-brass) 0, var(--c-brass) 12px, transparent 12px),
        linear-gradient(to left,  var(--c-brass) 0, var(--c-brass) 12px, transparent 12px),
        linear-gradient(to top,   var(--c-brass) 0, var(--c-brass) 12px, transparent 12px),

        linear-gradient(to right, var(--c-brass) 0, var(--c-brass) 12px, transparent 12px),
        linear-gradient(to bottom, var(--c-brass) 0, var(--c-brass) 12px, transparent 12px),
        linear-gradient(to left,  var(--c-brass) 0, var(--c-brass) 12px, transparent 12px),
        linear-gradient(to top,   var(--c-brass) 0, var(--c-brass) 12px, transparent 12px);
    background-repeat: no-repeat;
    background-size:
        12px 1px, 1px 12px, 12px 1px, 1px 12px,
        12px 1px, 1px 12px, 12px 1px, 1px 12px;
    background-position:
        0 0, 0 0, 100% 0, 100% 0,
        0 100%, 0 100%, 100% 100%, 100% 100%;
    opacity: 0.85;
}

.cartouche--deep {
    background: rgba(14, 26, 20, 0.85);
}

.cartouche--deep::before {
    border-color: var(--c-moss);
}

/* ornament */
.ornament {
    width: 22px;
    height: 22px;
    margin-bottom: 12px;
    display: block;
}

/* =====================================================
   Lot heading
   ===================================================== */
.lot-head {
    margin-bottom: 32px;
}

.section-label {
    display: inline-block;
    font-family: var(--ff-mono);
    font-size: 11.5px;
    letter-spacing: 0.08em;
    color: var(--c-brass);
    text-transform: uppercase;
    margin-bottom: 14px;
    padding-bottom: 4px;
    border-bottom: 1px solid var(--rule-hair);
}

.lot-title {
    font-family: var(--ff-display);
    font-weight: 500;
    font-size: clamp(2.4rem, 4.6vw, 3.8rem);
    line-height: 1.08;
    letter-spacing: -0.01em;
    color: var(--c-parchment);
    margin: 0 0 14px 0;
}

.lot-subtitle {
    font-family: var(--ff-body);
    font-size: 14px;
    color: var(--c-olive);
    max-width: 56ch;
    line-height: 1.5;
    font-style: italic;
}

/* =====================================================
   Certificate plate — the actual SVG composition
   ===================================================== */
.certificate {
    position: relative;
    margin-top: 18px;
    border: 1px solid var(--rule-hair);
    background:
        linear-gradient(180deg, rgba(14, 26, 20, 0.4), rgba(28, 42, 34, 0.2)),
        var(--c-vault);
    padding: 24px 24px;
    overflow: hidden;
    transform: translateZ(0);
}

.certificate--blank {
    background: var(--c-vault);
}

.certificate--vault {
    background: var(--c-midnight);
}

.cert-svg {
    display: block;
    width: 100%;
    height: auto;
}

.cert-frame {
    stroke-dasharray: 1800;
    stroke-dashoffset: 1800;
    transition: stroke-dashoffset 1400ms var(--ease-cert);
}

.cartouche.is-in .cert-frame {
    stroke-dashoffset: 0;
}

.cert-title {
    font-family: var(--ff-display);
    font-size: 22px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    fill: var(--c-parchment);
}

.cert-title--sm {
    font-size: 16px;
    letter-spacing: 0.1em;
}

.cert-subtitle {
    font-family: var(--ff-mono);
    font-size: 10px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.cert-meta {
    font-family: var(--ff-mono);
    font-size: 10px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.cert-serial {
    font-family: var(--ff-mono);
    font-size: 9.5px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.cert-axis {
    font-family: var(--ff-mono);
    font-size: 9px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.cert-cell {
    font-family: var(--ff-mono);
    font-size: 11px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.cert-sig-label {
    font-family: var(--ff-mono);
    font-size: 8.5px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.seal-text {
    font-family: var(--ff-display);
    font-weight: 600;
    font-size: 11px;
    letter-spacing: 0.04em;
}
.seal-text-sm {
    font-family: var(--ff-mono);
    font-size: 5.5px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

/* magnetic seal */
.seal {
    cursor: none;
    transition: transform 280ms var(--ease-mag);
    transform-origin: center;
    transform-box: fill-box;
    will-change: transform;
}

.seal:hover {
    filter: drop-shadow(0 0 6px rgba(243, 236, 217, 0.5));
}

/* =====================================================
   Glitch transit band — RGB shift
   ===================================================== */
.cert-glitch {
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    height: 18px;
    pointer-events: none;
    transform: translateY(-200%);
    background:
        repeating-linear-gradient(
            to bottom,
            rgba(243, 236, 217, 0.02) 0,
            rgba(243, 236, 217, 0.02) 1px,
            transparent 1px,
            transparent 2px
        ),
        linear-gradient(
            to bottom,
            transparent 0%,
            rgba(122, 58, 74, 0.95) 30%,
            rgba(122, 58, 74, 0.95) 70%,
            transparent 100%
        );
    box-shadow:
        -1.5px 0 0 rgba(255, 0, 80, 0.6),
        1.5px 0 0 rgba(0, 220, 200, 0.6);
    mix-blend-mode: screen;
    filter: blur(0.4px);
    opacity: 0;
}

.cert-glitch.is-firing {
    animation: glitchTransit 320ms var(--ease-cert) forwards;
}

@keyframes glitchTransit {
    0%   { transform: translateY(-180%); opacity: 0; filter: blur(0.4px); }
    8%   { opacity: 1; }
    50%  { filter: blur(1.5px); }
    100% { transform: translateY(2200%); opacity: 0; filter: blur(0.4px); }
}

/* =====================================================
   Lot footer — caption, ledger, timestamp
   ===================================================== */
.lot-foot {
    margin-top: 28px;
    display: grid;
    grid-template-columns: 1fr auto auto;
    column-gap: 28px;
    row-gap: 12px;
    align-items: end;
    border-top: 1px solid var(--rule-hair);
    padding-top: 18px;
}

.caption {
    grid-column: 1 / 4;
    font-family: var(--ff-body);
    font-size: 14.5px;
    line-height: 1.7;
    color: var(--c-parchment);
    max-width: 60ch;
    margin-bottom: 10px;
}

.ledger {
    font-family: var(--ff-mono);
    font-size: 10px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--c-brass);
}

.timestamp {
    font-family: var(--ff-mono);
    font-size: 10px;
    letter-spacing: 0.08em;
    color: var(--c-olive);
    text-transform: uppercase;
    text-align: right;
    min-width: 92px;
}

/* =====================================================
   Lot V — Transfer pair
   ===================================================== */
.transfer-pair {
    display: grid;
    grid-template-columns: 1fr 1.4fr 1fr;
    column-gap: 18px;
    align-items: center;
    margin-top: 18px;
}

.certificate--mini {
    padding: 14px;
}

.transfer-line {
    position: relative;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.transfer-line svg {
    width: 100%;
    height: 100%;
}

#transferPath {
    stroke-dasharray: 320;
    stroke-dashoffset: 320;
    transition: stroke-dashoffset 1600ms var(--ease-cert);
}

.lot--xwide.cartouche.is-in #transferPath,
.is-in #transferPath {
    stroke-dashoffset: 0;
}

/* =====================================================
   Register block — Lots VI–IX
   ===================================================== */
.register {
    margin-top: 14px;
    border: 1px solid var(--rule-hair);
    background: rgba(14, 26, 20, 0.6);
    padding: 18px 22px;
    font-family: var(--ff-mono);
    font-size: 11.5px;
    letter-spacing: 0.06em;
}

.register-head, .reg-row {
    display: grid;
    grid-template-columns: 56px 1.6fr 1.5fr 3fr 24px;
    column-gap: 16px;
    align-items: center;
    padding: 8px 4px;
}

.register-head {
    color: var(--c-brass);
    text-transform: uppercase;
    border-bottom: 1px solid var(--c-moss);
    margin-bottom: 6px;
}

.register-rows {
    list-style: none;
    margin: 0;
    padding: 0;
}

.reg-row {
    color: var(--c-parchment);
    border-bottom: 1px dotted rgba(168, 154, 120, 0.18);
    transition: background 320ms var(--ease-cert), color 320ms var(--ease-cert);
}

.reg-row:last-child {
    border-bottom: none;
}

.reg-row .reg-col--lot {
    font-family: var(--ff-mono);
    color: var(--c-brass);
    font-size: 11px;
    letter-spacing: 0.12em;
}

.reg-row .reg-col--time {
    color: var(--c-olive);
    font-size: 10.5px;
}

.reg-row .reg-col--type {
    color: var(--c-parchment);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 10.5px;
}

.reg-row .reg-col--note {
    color: var(--c-parchment);
    font-family: var(--ff-body);
    font-size: 13px;
    letter-spacing: 0.005em;
    text-transform: none;
}

.reg-row .reg-col--mark {
    color: var(--c-olive);
    text-align: center;
}

.reg-row--in-transit {
    background: linear-gradient(90deg, rgba(122, 58, 74, 0.16), transparent 70%);
    color: var(--c-ivory);
}

.reg-row--in-transit .reg-col--lot,
.reg-row--in-transit .reg-col--note,
.reg-row--in-transit .reg-col--type {
    color: var(--c-plum);
    text-shadow: 1px 0 0 rgba(0, 220, 200, 0.18), -1px 0 0 rgba(255, 90, 130, 0.22);
}

.reg-row--in-transit .reg-col--mark {
    color: var(--c-plum);
    font-size: 16px;
}

/* =====================================================
   Vault lens — local
   ===================================================== */
.certificate--vault {
    position: relative;
}

.vault-lens {
    position: absolute;
    width: 240px;
    height: 240px;
    border-radius: 50%;
    pointer-events: none;
    background:
        radial-gradient(circle at center, rgba(243, 236, 217, 0.06), transparent 70%),
        radial-gradient(circle at 30% 30%, rgba(168, 154, 120, 0.16), transparent 70%);
    border: 1px solid rgba(168, 154, 120, 0.55);
    box-shadow:
        inset 0 0 32px rgba(243, 236, 217, 0.12),
        0 8px 28px rgba(0, 0, 0, 0.6);
    opacity: 0;
    transform: translate(-50%, -50%) scale(0.86);
    transition: opacity 240ms var(--ease-cert), transform 280ms var(--ease-mag);
    mix-blend-mode: screen;
    will-change: transform, left, top, opacity;
    z-index: 4;
}

.certificate--vault.is-lensing .vault-lens {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

.vault-watermark {
    opacity: 0;
    transition: opacity 360ms var(--ease-cert);
}

.certificate--vault.is-lensing .vault-watermark {
    opacity: 1;
}

/* =====================================================
   Lens stage — Lot XI: full-block lens
   ===================================================== */
.lens-stage {
    position: relative;
    margin-top: 18px;
    height: 70vh;
    min-height: 460px;
    background: var(--c-midnight);
    border: 1px solid var(--rule-hair);
    overflow: hidden;
}

.lens-grid {
    position: absolute;
    inset: 0;
    pointer-events: none;
    display: grid;
    grid-template-columns: repeat(10, 1fr);
    grid-auto-rows: 1fr;
    gap: 1px;
    background: rgba(46, 60, 50, 0.6);
}

.lens-cell {
    position: relative;
    background: var(--c-midnight);
    overflow: hidden;
    color: var(--c-olive);
    font-family: var(--ff-mono);
    font-size: 7.5px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 4px 6px;
}

.lens-cell::before {
    content: "";
    position: absolute;
    inset: 4px;
    border: 1px solid rgba(168, 154, 120, 0.18);
    pointer-events: none;
}

.lens-cell .lens-cell-num {
    color: var(--c-brass);
    font-size: 8.5px;
}

.lens-cell .lens-cell-band {
    position: absolute;
    left: 4px;
    right: 4px;
    bottom: 6px;
    height: 6px;
    background: rgba(168, 154, 120, 0.22);
    border-top: 1px solid rgba(168, 154, 120, 0.35);
}

.lens-pane {
    position: absolute;
    width: 320px;
    height: 320px;
    border-radius: 50%;
    pointer-events: none;
    border: 1px solid rgba(168, 154, 120, 0.65);
    background:
        radial-gradient(circle at center, rgba(243, 236, 217, 0.12), transparent 70%);
    box-shadow:
        inset 0 0 36px rgba(243, 236, 217, 0.1),
        0 12px 36px rgba(0, 0, 0, 0.7);
    transform: translate(-50%, -50%);
    left: 50%;
    top: 50%;
    opacity: 0.85;
    z-index: 3;
    backdrop-filter: contrast(1.6) brightness(1.2) saturate(0.9);
    -webkit-backdrop-filter: contrast(1.6) brightness(1.2) saturate(0.9);
}

.lens-pane::after {
    content: "";
    position: absolute;
    left: 50%;
    top: 50%;
    width: 14px;
    height: 14px;
    transform: translate(-50%, -50%);
    background:
        linear-gradient(to right, transparent 6px, var(--c-brass) 6px, var(--c-brass) 8px, transparent 8px),
        linear-gradient(to bottom, transparent 6px, var(--c-brass) 6px, var(--c-brass) 8px, transparent 8px);
    opacity: 0.85;
}

.lens-instructions {
    position: absolute;
    left: 28px;
    bottom: 22px;
    color: var(--c-olive);
}

/* =====================================================
   Colophon — Lot XII
   ===================================================== */
.colophon {
    margin-top: 22px;
    padding: 28px 12px 18px 12px;
    text-align: center;
}

.colophon-line {
    font-family: var(--ff-display);
    font-size: 1.6rem;
    color: var(--c-parchment);
    letter-spacing: -0.005em;
    margin-bottom: 6px;
}

.colophon-line--small {
    font-family: var(--ff-body);
    font-size: 14px;
    color: var(--c-olive);
    margin-bottom: 28px;
    font-style: italic;
}

.colophon-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px 32px;
    text-align: left;
    margin: 18px auto 24px auto;
    max-width: 460px;
    padding-top: 18px;
    padding-bottom: 18px;
    border-top: 1px solid var(--rule-hair);
    border-bottom: 1px solid var(--rule-hair);
}

.colophon-grid > div {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.colophon-label {
    font-family: var(--ff-mono);
    font-size: 9.5px;
    letter-spacing: 0.14em;
    color: var(--c-brass);
    text-transform: uppercase;
}

.colophon-value {
    font-family: var(--ff-body);
    font-size: 13px;
    color: var(--c-parchment);
    letter-spacing: 0.005em;
}

.colophon-emdash {
    font-family: var(--ff-display);
    font-size: 1.4rem;
    color: var(--c-brass);
    margin-top: 10px;
    letter-spacing: 0.4em;
}

/* =====================================================
   Lot variant scale tweaks
   ===================================================== */
.lot--small   { --block-w: 52vw; }
.lot--med     { --block-w: 60vw; }
.lot--wide    { --block-w: 78vw; }
.lot--xwide   { --block-w: 92vw; }
.lot--tall    { --block-w: 64vw; }
.lot--register{ --block-w: 70vw; }
.lot--vault   { --block-w: 74vw; }
.lot--lens    { --block-w: 88vw; }
.lot--quietus { --block-w: 46vw; }

/* =====================================================
   Layered-depth / parallax modulation (set by JS)
   ===================================================== */
.lot[data-parallax] .lot-bed {
    transform: translateY(calc(var(--bed-y, 0) * 0.92px)) translateZ(-2px);
}

.lot[data-parallax] .cartouche {
    transform: translateY(calc(var(--cert-y, 0) * 1px));
}

.lot[data-parallax] .vault-lens,
.lot[data-parallax] .lens-pane {
    /* lens parallax handled by JS */
}

/* =====================================================
   Responsive — collapse on small screens
   ===================================================== */
@media (max-width: 980px) {
    :root { --rail-x: 12vw; }

    .folio {
        padding: 8vh 5vw 10vh 14vw;
        gap: 10vh;
    }

    .lot,
    .lot:nth-of-type(2n),
    .lot:nth-of-type(3n) {
        align-self: stretch;
        width: 100%;
    }

    .lot--small, .lot--med, .lot--wide, .lot--xwide,
    .lot--tall, .lot--register, .lot--vault, .lot--lens, .lot--quietus {
        --block-w: 100%;
    }

    .cartouche {
        padding: 28px 22px 24px 22px;
    }

    .lot-counter { width: 108px; height: 48px; top: 14px; right: 14px; }
    .lot-counter-num { font-size: 16px; }

    .transfer-pair {
        grid-template-columns: 1fr;
    }

    .transfer-line {
        height: 60px;
    }

    .colophon-grid {
        grid-template-columns: 1fr;
    }

    .lens-stage { height: 50vh; }
}

@media (max-width: 620px) {
    .register-head, .reg-row {
        grid-template-columns: 40px 1fr 24px;
        column-gap: 8px;
    }
    .register-head .reg-col--time,
    .register-head .reg-col--type,
    .reg-row .reg-col--time,
    .reg-row .reg-col--type {
        display: none;
    }
    .lot-title { font-size: 2rem; }
    .caption { font-size: 13.5px; }
    html { cursor: auto; }
    .cursor { display: none; }
}

/* =====================================================
   Reduced motion — respect user preference
   ===================================================== */
@media (prefers-reduced-motion: reduce) {
    .cert-glitch { display: none; }
    .vault-lens, .lens-pane { display: none; }
    .seal { transition: none; }
    .cursor { display: none; }
    html { cursor: auto; }
    .cartouche, .cert-frame, #transferPath {
        transition-duration: 0ms !important;
        opacity: 1 !important;
        transform: none !important;
        stroke-dashoffset: 0 !important;
    }
}