/* =============================================================
   Faerie Telemetry Bureau — District 14 — mystical.quest
   styles.css
   ============================================================= */

/* ---- Palette tokens (anchors from DESIGN.md) ----
   #0d1620  deep peat night (HUD ground, footer)
   #152434  wet slate (station-divider banner ground)
   #e8e1d2  unbleached linen (page background, longhand surface)
   #cfc4ad  damp bone (longhand secondary surface)
   #7fd6e6  fen-glow cyan (HUD lines, reticles, nominal bars)
   #a9e4d6  fairy-mist mint (secondary HUD highlight, INDETERMINATE)
   #cfd9ff  pre-dawn lavender (faint HUD ground gradient, wisp glow)
   #3a2f24  bog ink (longhand body text, all serif type)
   #5b4a3a  fox-fur warm brown (Caveat marginalia, secondary headings)
   #a14b2e  rust signal red (sparingly: ANOMALY, wax seal)
*/

:root {
    --c-peat:        #0d1620;
    --c-slate:       #152434;
    --c-linen:       #e8e1d2;
    --c-bone:        #cfc4ad;
    --c-cyan:        #7fd6e6;
    --c-mint:        #a9e4d6;
    --c-lavender:    #cfd9ff;
    --c-bogink:      #3a2f24;
    --c-fox:         #5b4a3a;
    --c-rust:        #a14b2e;

    --f-display: 'Big Shoulders Display', 'Inter', sans-serif;
    --f-body:    'Spectral', 'Inter', serif;
    --f-hud:     'Share Tech Mono', 'Space Mono', monospace;
    --f-margin:  'Caveat', 'Inter', cursive;

    --rail-w: 28px;
    --reticle-w: 88px;
}

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

html {
    scroll-behavior: smooth;
    background: var(--c-linen);
}

body {
    font-family: var(--f-body);
    font-size: 17px;
    line-height: 1.65;
    color: var(--c-bogink);
    background: var(--c-linen);
    overflow-x: hidden;
    /* paper-tooth grain (no image) — overlapping subtle radial gradients */
    background-image:
        radial-gradient(circle at 18% 22%, rgba(58,47,36,0.035) 0 1px, transparent 2px),
        radial-gradient(circle at 72% 38%, rgba(58,47,36,0.04) 0 1px, transparent 2px),
        radial-gradient(circle at 38% 78%, rgba(58,47,36,0.03) 0 1px, transparent 2px),
        radial-gradient(circle at 84% 88%, rgba(58,47,36,0.045) 0 1px, transparent 2px);
    background-size: 240px 240px, 200px 200px, 320px 320px, 280px 280px;
}

/* ============================================================
   Right-edge progress reticle — persistent navigation
   ============================================================ */
.progress-reticle {
    position: fixed;
    top: 0;
    right: 0;
    width: var(--reticle-w);
    height: 100vh;
    z-index: 80;
    pointer-events: none;
    background: linear-gradient(180deg, var(--c-peat) 0%, var(--c-slate) 100%);
    border-left: 1px solid rgba(127,214,230,0.18);
    font-family: var(--f-hud);
    color: var(--c-cyan);
    font-size: 10px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.pr-frame {
    position: relative;
    height: 100%;
    width: 100%;
    padding: 22px 8px;
}

.pr-corner {
    position: absolute;
    width: 10px;
    height: 10px;
    border: 1px solid var(--c-cyan);
}
.pr-corner-tl { top: 6px; left: 6px; border-right: none; border-bottom: none; }
.pr-corner-tr { top: 6px; right: 6px; border-left: none; border-bottom: none; }
.pr-corner-bl { bottom: 6px; left: 6px; border-right: none; border-top: none; }
.pr-corner-br { bottom: 6px; right: 6px; border-left: none; border-top: none; }

.pr-station {
    position: absolute;
    top: 22px;
    left: 12px;
    right: 12px;
    text-align: center;
    color: var(--c-cyan);
    font-size: 10px;
}
.pr-distance {
    position: absolute;
    top: 38px;
    left: 12px;
    right: 12px;
    text-align: center;
    color: var(--c-mint);
    font-size: 9px;
}
.pr-label-top {
    position: absolute;
    top: 56px;
    left: 12px;
    right: 12px;
    text-align: center;
    color: rgba(127,214,230,0.6);
    font-size: 8px;
}
.pr-label-bot {
    position: absolute;
    bottom: 22px;
    left: 12px;
    right: 12px;
    text-align: center;
    color: rgba(127,214,230,0.6);
    font-size: 8px;
}

.pr-ladder {
    position: absolute;
    top: 80px;
    bottom: 40px;
    left: 0;
    right: 0;
    border-left: 1px solid rgba(127,214,230,0.4);
    margin-left: 22px;
    background-image: repeating-linear-gradient(
        to bottom,
        rgba(127,214,230,0.35) 0,
        rgba(127,214,230,0.35) 1px,
        transparent 1px,
        transparent 12px
    );
}

.pr-ladder::before {
    content: "";
    position: absolute;
    top: 0;
    left: -8px;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(to right, rgba(127,214,230,0.6) 0 6px, transparent 6px);
    background-repeat: repeat-y;
    background-size: 100% 96px;
    pointer-events: none;
}

.pr-tick {
    position: absolute;
    left: 8px;
    right: 8px;
    height: 2px;
    background: var(--c-cyan);
    box-shadow: 0 0 8px rgba(127,214,230,0.7);
    top: 80px;
    transition: top 120ms linear;
}
.pr-tick::before, .pr-tick::after {
    content: "";
    position: absolute;
    top: -4px;
    width: 8px;
    height: 10px;
    border: 1px solid var(--c-cyan);
}
.pr-tick::before { left: -10px; border-right: none; }
.pr-tick::after  { right: -10px; border-left: none; }

/* ============================================================
   Reel + station scaffolding
   ============================================================ */
.reel {
    width: 100%;
    /* leave room on the right for the progress reticle */
    padding-right: var(--reticle-w);
}

.station {
    position: relative;
    min-height: 100vh;
    width: 100%;
    border-bottom: 1px solid rgba(58,47,36,0.12);
    overflow: hidden;
}

/* Calibration banner — strip at top of each station */
.calibration-banner {
    height: 64px;
    background: var(--c-slate);
    color: var(--c-cyan);
    font-family: var(--f-hud);
    font-size: 12px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    display: grid;
    grid-template-columns: 1fr auto auto 1fr;
    align-items: center;
    gap: 24px;
    padding: 0 32px;
    border-bottom: 1px solid rgba(127,214,230,0.18);
    border-top: 1px solid rgba(127,214,230,0.18);
}
.cb-ticks {
    height: 14px;
    background-image: repeating-linear-gradient(
        to right,
        var(--c-cyan) 0 1px,
        transparent 1px 8px
    );
    opacity: 0.6;
}
.cb-num {
    color: var(--c-cyan);
    font-weight: 400;
    padding: 4px 10px;
    border: 1px solid rgba(127,214,230,0.5);
}
.cb-name {
    color: var(--c-mint);
    letter-spacing: 0.18em;
}

/* Two-column asymmetric ledger grid + central calibration rail */
.station-grid {
    display: grid;
    grid-template-columns: 58fr var(--rail-w) 42fr;
    min-height: calc(100vh - 64px);
    position: relative;
}

/* Longhand column */
.col-longhand {
    background: var(--c-linen);
    color: var(--c-bogink);
    padding: 80px 64px 96px;
    position: relative;
    /* paper grain overlay */
    background-image:
        radial-gradient(circle at 22% 18%, rgba(58,47,36,0.035) 0 1px, transparent 2px),
        radial-gradient(circle at 68% 42%, rgba(58,47,36,0.04) 0 1px, transparent 2px),
        radial-gradient(circle at 38% 76%, rgba(58,47,36,0.03) 0 1px, transparent 2px),
        radial-gradient(circle at 84% 86%, rgba(58,47,36,0.045) 0 1px, transparent 2px);
    background-size: 240px 240px, 200px 200px, 320px 320px, 280px 280px;
}

/* Rail column — central 1-lane spine */
.col-rail {
    position: relative;
    background: linear-gradient(90deg, var(--c-linen) 0%, var(--c-linen) 50%, var(--c-peat) 50%, var(--c-peat) 100%);
}
.rail-line {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 1px;
    background: rgba(58,47,36,0.4);
    transform: translateX(-0.5px);
}
.rail-line::before {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    left: -3px;
    width: 7px;
    background-image: repeating-linear-gradient(
        to bottom,
        rgba(58,47,36,0.35) 0 1px,
        transparent 1px 24px
    );
}
.col-rail .rail-fid {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    font-family: var(--f-hud);
    font-size: 9px;
    letter-spacing: 0.12em;
    color: rgba(127,214,230,0.65);
    background: var(--c-peat);
    padding: 2px 6px;
    border: 1px solid rgba(127,214,230,0.4);
    text-transform: uppercase;
    white-space: nowrap;
}
.col-rail .rail-fid:nth-child(2)::before,
.col-rail .rail-fid:nth-child(3)::before,
.col-rail .rail-fid:nth-child(4)::before { content: ""; }

/* HUD column */
.col-hud {
    background: linear-gradient(180deg, var(--c-peat) 0%, var(--c-slate) 100%);
    color: var(--c-cyan);
    font-family: var(--f-hud);
    padding: 80px 56px 96px;
    position: relative;
    overflow: hidden;
}
.col-hud::before {
    content: "";
    position: absolute;
    top: 22%;
    right: -12%;
    width: 60%;
    height: 60%;
    background: radial-gradient(circle, rgba(207,217,255,0.08) 0%, rgba(207,217,255,0) 60%);
    pointer-events: none;
}
.col-hud * {
    font-family: var(--f-hud);
}

/* Fiducial corner brackets (longhand column) */
.fiducials {
    position: absolute;
    inset: 24px 24px auto auto;
    width: calc(100% - 48px);
    height: calc(100% - 48px);
    pointer-events: none;
    inset: 24px;
}
.fd {
    position: absolute;
    width: 14px;
    height: 14px;
    border: 1px solid var(--c-fox);
    opacity: 0.5;
}
.fd-tl { top: 0; left: 0; border-right: none; border-bottom: none; }
.fd-tr { top: 0; right: 0; border-left: none; border-bottom: none; }
.fd-bl { bottom: 0; left: 0; border-right: none; border-top: none; }
.fd-br { bottom: 0; right: 0; border-left: none; border-top: none; }

/* ============================================================
   Typography — strict zone enforcement
   ============================================================ */
.col-longhand .eyebrow {
    font-family: var(--f-hud);
    font-size: 11px;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--c-fox);
    margin-bottom: 20px;
}

.display-h1 {
    font-family: var(--f-display);
    font-weight: 800;
    font-size: clamp(56px, 7vw, 128px);
    line-height: 0.92;
    letter-spacing: -0.01em;
    color: var(--c-bogink);
    text-transform: uppercase;
    margin-bottom: 32px;
}
.display-h2 {
    font-family: var(--f-display);
    font-weight: 800;
    font-size: clamp(48px, 5.5vw, 96px);
    line-height: 0.94;
    letter-spacing: -0.01em;
    color: var(--c-bogink);
    text-transform: uppercase;
    margin-bottom: 28px;
}
.display-h3 {
    font-family: var(--f-display);
    font-weight: 800;
    font-size: clamp(28px, 2.4vw, 40px);
    line-height: 1.0;
    letter-spacing: -0.01em;
    color: var(--c-fox);
    text-transform: uppercase;
    margin-bottom: 8px;
}

.lede {
    font-family: var(--f-body);
    font-size: 19px;
    line-height: 1.55;
    color: var(--c-bogink);
    margin-bottom: 22px;
    max-width: 60ch;
    font-weight: 500;
}
.body {
    font-family: var(--f-body);
    font-size: 17px;
    line-height: 1.7;
    color: var(--c-bogink);
    margin-bottom: 18px;
    max-width: 62ch;
}
.body em, .lede em {
    font-style: italic;
    font-weight: 500;
    color: var(--c-fox);
}
.body-sm {
    font-family: var(--f-body);
    font-size: 15px;
    line-height: 1.6;
    color: var(--c-bogink);
    max-width: 52ch;
}
.body-sm em {
    font-style: italic;
    font-weight: 500;
    color: var(--c-fox);
}

.surveyor-line {
    font-family: var(--f-body);
    font-style: italic;
    font-weight: 500;
    color: var(--c-fox);
    font-size: 17px;
    line-height: 1.55;
    padding-left: 1ch;
    margin-top: 32px;
    border-left: 1px solid rgba(91,74,58,0.4);
    padding-left: 16px;
    max-width: 56ch;
}

/* Caveat — ONLY in marginalia */
.marginalia {
    font-family: var(--f-margin);
    font-size: 22px;
    line-height: 1.2;
    color: var(--c-fox);
    margin: 6px 0 14px 1ch;
    max-width: 38ch;
    transform: rotate(-1.2deg);
    transform-origin: left center;
}

/* SVG-embedded caveat (used in route map) */
.svg-caveat {
    font-family: var(--f-margin);
    font-size: 18px;
    color: var(--c-mint);
    line-height: 1.2;
}

/* ============================================================
   HUD column elements
   ============================================================ */
.hud-header {
    display: flex;
    align-items: center;
    gap: 16px;
    padding-bottom: 14px;
    border-bottom: 1px solid rgba(127,214,230,0.3);
    margin-bottom: 28px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 12px;
}
.hud-tag {
    color: rgba(127,214,230,0.7);
}
.hud-val {
    color: var(--c-cyan);
    border: 1px solid rgba(127,214,230,0.35);
    padding: 3px 8px;
}
.hud-state {
    margin-left: auto;
    padding: 3px 10px;
    border: 1px solid currentColor;
}
.hud-state-nominal { color: var(--c-cyan); }
.hud-state-mint    { color: var(--c-mint); }
.hud-state-anom    { color: var(--c-rust); }

.hud-illustration {
    position: relative;
    margin-bottom: 28px;
    padding: 18px;
    border: 1px solid rgba(127,214,230,0.18);
    background: rgba(13,22,32,0.5);
}
.ill {
    width: 100%;
    height: auto;
    display: block;
}

.hud-readout-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-bottom: 18px;
}
.hud-readout {
    border: 1px solid rgba(127,214,230,0.28);
    padding: 10px 12px;
    background: rgba(127,214,230,0.04);
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.hr-label {
    font-size: 10px;
    color: rgba(127,214,230,0.7);
    letter-spacing: 0.14em;
}
.hr-value {
    font-size: 14px;
    color: var(--c-cyan);
    letter-spacing: 0.06em;
}

/* Confidence bars */
.confidence {
    display: grid;
    grid-template-columns: 1fr;
    gap: 6px;
    margin-bottom: 18px;
}
.cf-label {
    font-size: 10px;
    color: rgba(127,214,230,0.7);
    letter-spacing: 0.14em;
}
.cf-bar {
    height: 8px;
    background: rgba(127,214,230,0.08);
    border: 1px solid rgba(127,214,230,0.25);
    position: relative;
    overflow: hidden;
}
.cf-fill {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: var(--w);
    background: var(--c-cyan);
    box-shadow: 0 0 8px rgba(127,214,230,0.4);
    transition: width 600ms ease-out;
}
.cf-fill-mint { background: var(--c-mint); box-shadow: 0 0 8px rgba(169,228,214,0.4); }
.cf-fill-rust { background: var(--c-rust); box-shadow: 0 0 8px rgba(161,75,46,0.5); }
.cf-value {
    font-size: 12px;
    color: var(--c-cyan);
    letter-spacing: 0.06em;
    text-align: right;
}

/* HUD flag rows */
.hud-flag {
    display: flex;
    gap: 12px;
    align-items: center;
    padding: 10px 14px;
    border: 1px solid rgba(127,214,230,0.3);
    background: rgba(127,214,230,0.04);
    margin-bottom: 14px;
}
.hf-tag {
    font-size: 10px;
    color: rgba(127,214,230,0.7);
    letter-spacing: 0.14em;
    border-right: 1px solid rgba(127,214,230,0.3);
    padding-right: 12px;
}
.hf-text {
    font-size: 12px;
    color: var(--c-cyan);
    letter-spacing: 0.06em;
}
.hud-flag-mint { border-color: rgba(169,228,214,0.5); }
.hud-flag-mint .hf-text { color: var(--c-mint); }
.hud-flag-rust { border-color: rgba(161,75,46,0.6); background: rgba(161,75,46,0.06); }
.hud-flag-rust .hf-tag, .hud-flag-rust .hf-text { color: var(--c-rust); }

/* ============================================================
   STN-01 plate grid (taxonomy of phenomena)
   ============================================================ */
.taxonomy-subgrid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px 36px;
    margin-top: 28px;
    margin-bottom: 28px;
}
.tx-item { padding: 0 0 6px; }

.plate-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin-bottom: 24px;
}
.plate {
    position: relative;
    background: rgba(13,22,32,0.55);
    border: 1px solid rgba(127,214,230,0.2);
    padding: 18px;
}
.plate-fd {
    position: absolute;
    width: 10px;
    height: 10px;
    border: 1px solid var(--c-cyan);
    opacity: 0.6;
}
.plate-fd-tl { top: 6px; left: 6px; border-right: none; border-bottom: none; }
.plate-fd-tr { top: 6px; right: 6px; border-left: none; border-bottom: none; }
.plate-fd-bl { bottom: 6px; left: 6px; border-right: none; border-top: none; }
.plate-fd-br { bottom: 6px; right: 6px; border-left: none; border-top: none; }
.plate-caption {
    font-family: var(--f-hud);
    font-size: 12px;
    letter-spacing: 0.18em;
    color: var(--c-cyan);
    text-align: center;
    margin-top: 10px;
    border-top: 1px solid rgba(127,214,230,0.2);
    padding-top: 8px;
}

/* ============================================================
   STN-02 live readouts
   ============================================================ */
.live-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin-bottom: 24px;
}
.live-card {
    border: 1px solid rgba(127,214,230,0.25);
    background: rgba(127,214,230,0.04);
    padding: 16px 18px;
    display: grid;
    grid-template-columns: auto 1fr;
    grid-template-rows: auto auto auto;
    column-gap: 8px;
    row-gap: 8px;
    align-items: baseline;
}
.lc-label {
    grid-column: 1 / 3;
    font-size: 10px;
    color: rgba(127,214,230,0.7);
    letter-spacing: 0.14em;
}
.lc-value {
    grid-column: 1 / 2;
    font-size: 28px;
    color: var(--c-cyan);
    letter-spacing: 0.04em;
    transition: color 200ms ease, opacity 200ms ease;
}
.lc-value.flash { color: var(--c-mint); }
.lc-value.dim { opacity: 0.35; }
.lc-unit {
    grid-column: 2 / 3;
    font-size: 12px;
    color: rgba(127,214,230,0.7);
    letter-spacing: 0.1em;
    align-self: end;
    padding-bottom: 4px;
}
.lc-bar {
    grid-column: 1 / 3;
    height: 4px;
    background: rgba(127,214,230,0.08);
    border: 1px solid rgba(127,214,230,0.2);
    position: relative;
    overflow: hidden;
}
.lc-bar-fill {
    position: absolute;
    top: 0; left: 0; height: 100%;
    width: var(--w);
    background: var(--c-cyan);
    transition: width 480ms ease-out;
}
.lc-meta {
    grid-column: 1 / 3;
    font-size: 9px;
    color: rgba(169,228,214,0.7);
    letter-spacing: 0.12em;
}

/* ============================================================
   STN-03 notebook page
   ============================================================ */
.notebook {
    margin-top: 16px;
    margin-bottom: 24px;
}
.nb-page {
    background: var(--c-linen);
    border: 1px solid rgba(58,47,36,0.18);
    padding: 32px 40px 28px;
    box-shadow: 4px 6px 0 rgba(58,47,36,0.05);
    position: relative;
    max-width: 64ch;
    background-image:
        repeating-linear-gradient(
            to bottom,
            transparent 0,
            transparent 27px,
            rgba(91,74,58,0.08) 27px,
            rgba(91,74,58,0.08) 28px
        );
}
.nb-meta {
    display: flex;
    justify-content: space-between;
    font-family: var(--f-hud);
    font-size: 10px;
    letter-spacing: 0.16em;
    color: var(--c-fox);
    text-transform: uppercase;
    border-bottom: 1px solid rgba(91,74,58,0.3);
    padding-bottom: 10px;
    margin-bottom: 18px;
}

/* ============================================================
   STN-04 hawthorn ring centerpiece
   ============================================================ */
.ring-stage {
    margin-bottom: 24px;
    padding: 14px;
    border: 1px solid rgba(127,214,230,0.25);
    background: rgba(13,22,32,0.6);
    overflow: hidden;
}
.ill-ring {
    width: 100%;
    height: auto;
}
.ring-callout {
    opacity: 0;
    pointer-events: none;
    transition: opacity 220ms ease-out;
}
.ring-sample:hover .ring-callout,
.ring-sample.is-pinned .ring-callout {
    opacity: 1;
}
.ring-sample circle {
    transition: transform 200ms ease, fill-opacity 200ms ease;
    transform-box: fill-box;
    transform-origin: center;
}
.ring-sample:hover circle:first-of-type,
.ring-sample.is-pinned circle:first-of-type {
    fill-opacity: 0.4;
}

/* ============================================================
   STN-05 Form FT-7
   ============================================================ */
.form-ft7 {
    margin-top: 16px;
    max-width: 64ch;
    display: grid;
    gap: 20px;
}
.form-deco {
    display: block;
    margin: 6px 0;
}
.form-divider {
    width: 220px;
    height: 24px;
    display: block;
}
.form-group {
    display: grid;
    gap: 8px;
}
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}
.form-label {
    font-family: var(--f-hud);
    font-size: 11px;
    letter-spacing: 0.18em;
    color: var(--c-fox);
    text-transform: uppercase;
}
.form-input,
.form-textarea,
.form-seg {
    font-family: var(--f-body);
    font-size: 16px;
    color: var(--c-bogink);
    background: transparent;
    border: none;
    border-bottom: 1px solid rgba(58,47,36,0.4);
    padding: 10px 4px;
    transition: border-color 220ms ease;
    width: 100%;
}
.form-textarea { resize: vertical; min-height: 96px; line-height: 1.5; border: 1px solid rgba(58,47,36,0.4); padding: 12px; }
.form-input:focus,
.form-textarea:focus,
.form-seg:focus {
    outline: none;
    border-color: var(--c-fox);
}
.form-input::placeholder,
.form-seg::placeholder,
.form-textarea::placeholder {
    color: rgba(58,47,36,0.4);
    font-style: italic;
}
.form-segmented {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: end;
    gap: 6px;
    border-bottom: 1px solid rgba(58,47,36,0.4);
}
.form-segmented .form-seg {
    border-bottom: none;
    padding: 10px 0;
}
.form-seg-unit {
    font-family: var(--f-hud);
    font-size: 12px;
    color: var(--c-fox);
    letter-spacing: 0.14em;
    padding: 0 4px 12px;
}
.form-segmented--scale {
    position: relative;
    grid-template-columns: 1fr auto;
    grid-template-rows: auto auto;
    border-bottom: none;
}
.form-segmented--scale .form-seg { border-bottom: 1px solid rgba(58,47,36,0.4); }
.form-segmented--scale .seg-scale {
    grid-column: 1 / 3;
    height: 12px;
    background-image: repeating-linear-gradient(
        to right,
        rgba(58,47,36,0.6) 0 1px,
        transparent 1px 12px
    );
    margin-top: 4px;
    opacity: 0.6;
}

.form-radios {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}
.form-radio {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    border: 1px solid rgba(58,47,36,0.4);
    cursor: pointer;
    font-family: var(--f-hud);
    font-size: 11px;
    letter-spacing: 0.16em;
    color: var(--c-fox);
    text-transform: uppercase;
    transition: all 220ms ease;
}
.form-radio input { accent-color: var(--c-rust); }
.form-radio:hover { border-color: var(--c-fox); color: var(--c-bogink); }
.form-radio:has(input:checked) {
    background: rgba(161,75,46,0.08);
    border-color: var(--c-rust);
    color: var(--c-rust);
}

.form-submit-row {
    display: flex;
    align-items: center;
    gap: 22px;
    margin-top: 14px;
}
.btn-submit {
    position: relative;
    font-family: var(--f-hud);
    font-size: 13px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    background: transparent;
    color: var(--c-rust);
    border: 1px solid var(--c-rust);
    padding: 16px 22px 16px 56px;
    cursor: pointer;
    transition: background 220ms ease, color 220ms ease;
}
.btn-submit:hover {
    background: rgba(161,75,46,0.08);
}
.btn-submit:disabled { cursor: progress; opacity: 0.85; }
.btn-label { display: inline-block; }
.wax-seal {
    position: absolute;
    left: 8px;
    top: 50%;
    transform: translateY(-50%);
    width: 36px;
    height: 36px;
}
.wax-seal .wax-outer,
.wax-seal .wax-inner,
.wax-seal .wax-star {
    stroke-dasharray: 200;
    stroke-dashoffset: 200;
}
.btn-submit:hover .wax-seal {
    transform: translateY(-50%) rotate(-6deg);
    transition: transform 320ms ease;
}
.btn-submit.is-stamping .wax-outer { animation: drawSeal 480ms ease-out 0ms forwards; }
.btn-submit.is-stamping .wax-inner { animation: drawSeal 480ms ease-out 220ms forwards; }
.btn-submit.is-stamping .wax-star  { animation: drawSeal 540ms ease-out 440ms forwards; }
.btn-submit.is-stamping .wax-text  { animation: fadeInSeal 240ms ease-out 720ms forwards; opacity: 0; }
.btn-submit.is-stamping {
    background: rgba(161,75,46,0.08);
}

@keyframes drawSeal {
    from { stroke-dashoffset: 200; }
    to   { stroke-dashoffset: 0; }
}
@keyframes fadeInSeal {
    from { opacity: 0; }
    to   { opacity: 1; }
}

.form-note {
    font-family: var(--f-hud);
    font-size: 10px;
    letter-spacing: 0.18em;
    color: var(--c-fox);
    text-transform: uppercase;
    opacity: 0.75;
    max-width: 28ch;
    line-height: 1.5;
}

.form-result {
    position: relative;
    margin-top: 24px;
    padding: 28px;
    border: 1px solid rgba(161,75,46,0.5);
    background: rgba(161,75,46,0.04);
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: 28px;
    align-items: center;
    opacity: 0;
    transition: opacity 480ms ease-out;
}
.form-result.is-visible { opacity: 1; }
.stamp-ring svg { width: 140px; height: 140px; }
.form-thanks {
    font-family: var(--f-body);
    font-style: italic;
    font-weight: 500;
    color: var(--c-fox);
    font-size: 17px;
    line-height: 1.55;
}

/* HUD column content for form */
.form-hud-stack {
    display: grid;
    gap: 22px;
}
.form-hud-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}
.hud-pill {
    border: 1px solid rgba(127,214,230,0.35);
    padding: 6px 12px;
    font-size: 10px;
    color: var(--c-cyan);
    letter-spacing: 0.18em;
    text-transform: uppercase;
}
.hud-pill-mint {
    border-color: rgba(169,228,214,0.45);
    color: var(--c-mint);
}
.form-hud-stamp {
    display: flex;
    justify-content: center;
    margin-top: 6px;
    opacity: 0.85;
}
.hud-stamp { width: 200px; height: 200px; }

/* ============================================================
   STN-06 sign-off + footer
   ============================================================ */
.datestamp {
    margin-top: 36px;
    border-top: 1px solid rgba(58,47,36,0.25);
    border-bottom: 1px solid rgba(58,47,36,0.25);
    padding: 12px 0;
    display: flex;
    gap: 18px;
    align-items: center;
    font-family: var(--f-hud);
    font-size: 11px;
    letter-spacing: 0.18em;
    color: var(--c-fox);
    text-transform: uppercase;
}
.ds-label {
    border: 1px solid var(--c-fox);
    padding: 4px 10px;
    color: var(--c-rust);
    border-color: var(--c-rust);
}
.ds-value { color: var(--c-fox); }

.shut-piece {
    transition: opacity 320ms ease;
}
.shut-piece.is-shut { opacity: 0; }

.footer {
    margin-top: 36px;
    grid-column: 1 / 4;
    background: var(--c-peat);
    color: var(--c-cyan);
    padding: 22px 32px;
    border-top: 1px solid rgba(127,214,230,0.25);
}
.footer-rail {
    height: 12px;
    background-image: repeating-linear-gradient(
        to right,
        var(--c-cyan) 0 1px,
        transparent 1px 12px
    );
    opacity: 0.45;
    margin-bottom: 14px;
}
.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--f-hud);
    font-size: 11px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--c-cyan);
    flex-wrap: wrap;
    gap: 14px;
}
.ft-mid { color: var(--c-mint); }

/* ============================================================
   Stagger / instrument warm-up animation
   Only HUD elements participate.
   Each station has up to 9 ordered "hud-warm" items.
   ============================================================ */
.hud-warm {
    opacity: 0;
    filter: brightness(0.5);
    transition:
        opacity 280ms ease-out,
        filter 280ms ease-out;
}
.station.is-warming .hud-warm {
    opacity: 1;
    filter: brightness(1);
}
.station.is-warming .hud-warm[data-warm-order="1"] { transition-delay: 0ms; }
.station.is-warming .hud-warm[data-warm-order="2"] { transition-delay: 80ms; }
.station.is-warming .hud-warm[data-warm-order="3"] { transition-delay: 160ms; }
.station.is-warming .hud-warm[data-warm-order="4"] { transition-delay: 240ms; }
.station.is-warming .hud-warm[data-warm-order="5"] { transition-delay: 320ms; }
.station.is-warming .hud-warm[data-warm-order="6"] { transition-delay: 400ms; }
.station.is-warming .hud-warm[data-warm-order="7"] { transition-delay: 480ms; }
.station.is-warming .hud-warm[data-warm-order="8"] { transition-delay: 560ms; }
.station.is-warming .hud-warm[data-warm-order="9"] { transition-delay: 640ms; }

/* HUD overlay strokes inside the hero illustration boot from black to cyan */
.station.is-warming .hud-overlay,
.station.is-warming .hud-overlay-text {
    animation: bootCyan 540ms ease-out forwards;
}
@keyframes bootCyan {
    from { opacity: 0; }
    to   { opacity: 1; }
}

/* ============================================================
   Reduced motion
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
    .hud-warm {
        transition: opacity 200ms ease-out;
        filter: none;
    }
    .station.is-warming .hud-warm[data-warm-order] { transition-delay: 0ms; }
    .station.is-warming .hud-overlay,
    .station.is-warming .hud-overlay-text {
        animation: none;
        opacity: 1;
    }
    .pr-tick { transition: none; }
    .lc-value { transition: none; }
    .btn-submit.is-stamping .wax-outer,
    .btn-submit.is-stamping .wax-inner,
    .btn-submit.is-stamping .wax-star {
        animation: none;
        stroke-dashoffset: 0;
    }
    .btn-submit.is-stamping .wax-text { animation: none; opacity: 1; }
    html { scroll-behavior: auto; }
}

/* ============================================================
   Responsive — collapse to single column below 920px.
   Desktop-first; HUD column stacks under longhand on narrow screens.
   ============================================================ */
@media (max-width: 1100px) {
    .col-longhand { padding: 64px 40px 80px; }
    .col-hud { padding: 64px 36px 80px; }
    .display-h1 { font-size: clamp(48px, 9vw, 96px); }
}

@media (max-width: 920px) {
    .station-grid {
        grid-template-columns: 1fr;
    }
    .col-rail { display: none; }
    .col-hud {
        border-top: 1px solid rgba(127,214,230,0.25);
    }
    .reel { padding-right: 56px; }
    .progress-reticle { width: 56px; }
    .pr-ladder { margin-left: 14px; }
    .live-grid, .plate-grid, .taxonomy-subgrid, .hud-readout-row {
        grid-template-columns: 1fr 1fr;
    }
    .form-row { grid-template-columns: 1fr; }
    .form-result { grid-template-columns: 1fr; text-align: center; }
}

@media (max-width: 600px) {
    .calibration-banner {
        grid-template-columns: 1fr auto;
        gap: 12px;
        padding: 0 20px;
    }
    .cb-ticks:last-child { display: none; }
    .col-longhand { padding: 48px 24px 64px; }
    .col-hud { padding: 48px 24px 64px; }
    .live-grid, .plate-grid, .hud-readout-row, .taxonomy-subgrid {
        grid-template-columns: 1fr;
    }
    .form-submit-row { flex-direction: column; align-items: flex-start; }
    .reel { padding-right: 0; }
    .progress-reticle { display: none; }
    .display-h1 { font-size: 56px; }
    .display-h2 { font-size: 44px; }
}