/* ==========================================================================
   AXONLOGIC — THE PLOTTED MIND
   A two-ink engineering drawing set. Blue = logic. Orange = innovation.
   No gradients. No glows. No shadows. Restraint is the luxury.
   ========================================================================== */

:root {
    --paper: #F6F3EC;
    --plate: #FFFFFF;
    --ink: #141419;
    --hairline: #D8D2C4;
    --blue: #016DB5;
    --blue-deep: #0A4E7E;
    --orange: #E28100;
    --orange-deep: #9E5A00;
    /* dark text for orange blocks */
    --stamp-text: #141419;

    --font-display: "Archivo", "Helvetica Neue", sans-serif;
    --font-body: "Instrument Sans", system-ui, sans-serif;
    --font-mono: "IBM Plex Mono", ui-monospace, monospace;

    --margin: clamp(20px, 3vw, 48px);
    --maxw: 1440px;
}

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

html { scroll-behavior: smooth; }

body {
    background: var(--paper);
    color: var(--ink);
    font-family: var(--font-body);
    font-size: 1.0625rem;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

.mono {
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.09em;
    text-transform: uppercase;
}

::selection { background: var(--blue); color: var(--paper); }

.skip-link {
    position: absolute; left: -9999px; top: 0;
    background: var(--ink); color: var(--paper);
    padding: 0.5rem 1rem; z-index: 200; font-family: var(--font-mono);
}
.skip-link:focus { left: 0; }

/* ==========================================================================
   00 — TITLE BLOCK (NAV)
   ========================================================================== */
.titlebar {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    background: var(--paper);
    border-bottom: 1px solid var(--ink);
    transition: none;
}
.titlebar.compressed .titlebar-inner { height: 52px; }
.titlebar.compressed { border-bottom-width: 1.5px; }

.titlebar-inner {
    max-width: var(--maxw); margin: 0 auto;
    height: 64px; padding: 0 var(--margin);
    display: flex; align-items: center; justify-content: space-between; gap: 2rem;
    transition: height 0.25s ease;
}

.brand { display: flex; align-items: center; gap: 0.6rem; text-decoration: none; color: var(--ink); }
.brand-mark { display: block; }
.brand-word {
    font-family: var(--font-mono); font-weight: 500; font-size: 0.875rem; letter-spacing: 0.14em;
}

.titlenav { display: flex; gap: clamp(1rem, 2.5vw, 2.25rem); }
.titlenav-link {
    font-family: var(--font-mono); font-size: 0.8125rem; font-weight: 500;
    letter-spacing: 0.09em; color: var(--ink); text-decoration: none;
    background: none; border: none; cursor: pointer;
    position: relative; padding: 4px 0;
    text-transform: uppercase;
}
.titlenav-link::after {
    content: ''; position: absolute; left: 0; bottom: 0;
    width: 100%; height: 1px; background: var(--blue);
    transform: scaleX(0); transform-origin: left;
    transition: transform 0.25s ease;
}
.titlenav-link:hover::after, .titlenav-link[aria-expanded="true"]::after { transform: scaleX(1); }
.caret { font-size: 0.6rem; margin-left: 0.3rem; }

.titlebar-right { display: flex; align-items: center; gap: 1rem; }

.lang-pill {
    display: inline-flex; border: 1px solid var(--ink);
}
.lang-seg {
    font-family: var(--font-mono); font-size: 0.75rem; font-weight: 500;
    background: none; border: none; color: var(--ink);
    padding: 0.35rem 0.7rem; cursor: pointer; letter-spacing: 0.06em;
}
.lang-seg + .lang-seg { border-left: 1px solid var(--ink); }
.lang-seg.active { background: var(--ink); color: var(--paper); }

.contact-chip {
    font-family: var(--font-mono); font-size: 0.8125rem; font-weight: 500;
    letter-spacing: 0.09em; text-decoration: none;
    color: var(--paper); background: var(--ink);
    padding: 0.5rem 1.1rem;
    border: 1px solid var(--ink);
    transition: background 0.15s ease, color 0.15s ease;
}
.contact-chip:hover { background: var(--orange); border-color: var(--orange); color: var(--stamp-text); }

.burger { display: none; background: none; border: none; cursor: pointer; padding: 6px; }
.burger span { display: block; width: 22px; height: 2px; background: var(--ink); margin: 4px 0; transition: transform 0.25s ease, opacity 0.25s ease; }
.burger.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* Products dropdown: THE INDEX SHEET */
.products-index {
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--paper);
    border-bottom: 1.5px solid var(--ink);
    padding: 1.5rem var(--margin) 2rem;
    max-width: 100%;
}
.products-index-kicker { color: var(--blue-deep); margin-bottom: 1.25rem; }
/* grouped by domain: each group is a labeled index section */
.products-index-groups { max-width: var(--maxw); margin: 0 auto; }
.pindex-group + .pindex-group { margin-top: 1.5rem; }
.pindex-group-head {
    color: var(--blue-deep);
    border-bottom: 1px solid var(--ink);
    padding-bottom: 0.5rem;
}
.pindex-rows { display: grid; grid-template-columns: 1fr 1fr; gap: 0; }
.pindex-rows.cols-1 { grid-template-columns: 1fr; }
.pindex-row {
    display: grid; grid-template-columns: 64px 140px 1fr 24px;
    align-items: center; gap: 1rem;
    padding: 0.85rem 0.75rem;
    border-bottom: 1px solid var(--hairline);
    text-decoration: none; color: var(--ink);
    transition: background 0.12s ease, color 0.12s ease;
}
.pindex-fig { color: var(--blue); font-size: 0.75rem; }
.pindex-name { font-family: var(--font-display); font-weight: 650; font-size: 1.1rem; }
.pindex-desc { font-size: 0.6875rem; color: var(--ink); opacity: 0.65; }
.pindex-arrow { justify-self: end; transition: transform 0.15s ease; }
.pindex-row:hover { background: var(--ink); color: var(--paper); }
.pindex-row:hover .pindex-fig { color: var(--orange); }
.pindex-row:hover .pindex-desc { opacity: 0.8; }
.pindex-row:hover .pindex-arrow { transform: translateX(4px); }
/* coming-soon row: greyed, non-clickable, SOON badge instead of arrow */
.pindex-row.is-soon { grid-template-columns: 64px 140px 1fr auto; cursor: default; opacity: 0.5; }
.pindex-row.is-soon:hover { background: transparent; color: var(--ink); }
.pindex-row.is-soon:hover .pindex-fig { color: var(--blue); }
.pindex-soon {
    justify-self: end; font-size: 0.625rem; letter-spacing: 0.08em;
    padding: 0.15rem 0.45rem; border: 1px solid var(--ink); white-space: nowrap;
}

/* ==========================================================================
   MARGIN PLOT LINE (scroll gauge)
   ========================================================================== */
.plotline {
    position: fixed; top: 0; right: 12px; bottom: 0; width: 24px;
    z-index: 60; pointer-events: none;
    display: flex; justify-content: center;
}
.plotline-track {
    position: absolute; top: 80px; bottom: 24px; width: 1px;
    background: var(--hairline);
}
.plotline-fill {
    width: 1px; height: 0%;
    background: var(--blue);
}
.plotline-stamps { position: absolute; top: 80px; bottom: 24px; width: 100%; }
.plot-stamp {
    position: absolute; left: 50%; transform: translateX(-50%) scale(0);
    width: 9px; height: 10px;
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.plot-stamp.stamped { transform: translateX(-50%) scale(1); }
.plot-stamp path { fill: var(--orange); }

/* ==========================================================================
   SHEETS — shared scaffolding
   ========================================================================== */
.sheet {
    max-width: var(--maxw);
    margin: 0 auto;
    padding: clamp(4rem, 9vh, 7.5rem) var(--margin);
    position: relative;
}
.sheet-head {
    display: flex; justify-content: space-between; align-items: baseline;
    border-bottom: 1px solid var(--ink);
    padding-bottom: 0.6rem; margin-bottom: clamp(2rem, 5vh, 3.5rem);
}
.sheet-tag { color: var(--ink); opacity: 0.55; font-size: 0.6875rem; }
.sheet-kicker { color: var(--blue-deep); }

.display-l {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5.5vw, 5rem);
    font-weight: 700;
    font-stretch: 125%;
    line-height: 0.98;
    letter-spacing: -0.02em;
    text-transform: uppercase;
    max-width: 20ch;
}
.lead {
    font-size: 1.25rem; line-height: 1.55; max-width: 58ch;
    margin-top: 1.25rem; color: var(--ink);
}

/* reveal on scroll: ink fill from left.
   Final keyframe insets are negative so glyph overhangs never get clipped. */
.reveal { clip-path: inset(-10% 100% -10% 0); }
.reveal.inked { animation: inkfill 0.7s ease forwards; }
@keyframes inkfill { to { clip-path: inset(-10% -10% -10% 0); } }

/* ==========================================================================
   01 — HERO
   ========================================================================== */
.hero {
    min-height: 100svh;
    padding-top: clamp(6rem, 14vh, 9rem);
    display: flex; flex-direction: column; justify-content: space-between;
}

.cropmarks i {
    position: absolute; width: 14px; height: 14px; pointer-events: none;
}
.cropmarks i::before, .cropmarks i::after { content: ''; position: absolute; background: var(--ink); }
.cropmarks i::before { width: 14px; height: 1px; }
.cropmarks i::after { width: 1px; height: 14px; }
.cropmarks i:nth-child(1) { top: 84px; left: var(--margin); }
.cropmarks i:nth-child(2) { top: 84px; right: var(--margin); }
.cropmarks i:nth-child(2)::before { right: 0; } .cropmarks i:nth-child(2)::after { right: 0; }
.cropmarks i:nth-child(3) { bottom: 16px; left: var(--margin); }
.cropmarks i:nth-child(3)::before { bottom: 0; } .cropmarks i:nth-child(3)::after { bottom: 0; }
.cropmarks i:nth-child(4) { bottom: 16px; right: var(--margin); }
.cropmarks i:nth-child(4)::before { bottom: 0; right: 0; } .cropmarks i:nth-child(4)::after { bottom: 0; right: 0; }

.hero-annotations {
    display: flex; justify-content: space-between; gap: 1rem;
    font-size: 0.6875rem; opacity: 0.6; margin-bottom: clamp(1.5rem, 4vh, 3rem);
}

.hero-grid {
    display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(2rem, 4vw, 4rem);
    align-items: center;
    flex: 1;
}

.poster {
    font-family: var(--font-display);
    font-weight: 750;
    font-stretch: 125%;
    text-transform: uppercase;
    line-height: 0.92;
    letter-spacing: -0.025em;
    display: flex; flex-direction: column;
}
/* each line prints at (near) equal width — justified poster type */
.poster-line { display: block; clip-path: inset(-10% 100% -10% 0); }
.poster-line[data-line="1"] { font-size: clamp(3.6rem, 11vw, 10.4rem); }
.poster-line[data-line="2"] { font-size: clamp(3rem, 9.1vw, 8.6rem); }
.poster-line[data-line="3"] { font-size: clamp(1.7rem, 5.05vw, 4.8rem); letter-spacing: -0.012em; }
.poster-line.ink-blue { color: var(--blue); }
.poster-line.ink-orange { color: var(--orange); }
.poster-line.outlined {
    color: transparent;
    -webkit-text-stroke: 1.5px var(--ink);
    text-stroke: 1.5px var(--ink);
}
.poster-line .ink { color: var(--ink); font-style: normal; }

/* print-in on load */
.poster-line {
    animation: inkfill 0.55s ease forwards;
}
.poster-line[data-line="1"] { animation-delay: 0.15s; }
.poster-line[data-line="2"] { animation-delay: 0.40s; }
.poster-line[data-line="3"] { animation-delay: 0.65s; }

.hero-sub {
    margin-top: clamp(1.5rem, 3vh, 2.5rem);
    font-size: clamp(1.05rem, 1.3vw, 1.25rem);
    max-width: 54ch; line-height: 1.55;
}

.hero-ctas {
    display: flex; align-items: center; gap: 2rem; flex-wrap: wrap;
    margin-top: clamp(1.5rem, 3.5vh, 2.75rem);
}
.cta-stamp {
    font-family: var(--font-mono); font-weight: 500; font-size: 0.875rem;
    letter-spacing: 0.09em; text-transform: uppercase;
    color: var(--stamp-text); background: var(--orange);
    text-decoration: none;
    padding: 1rem 2rem;
    position: relative;
    border: 1px solid var(--ink);
    box-shadow: 4px 4px 0 0 var(--ink);
    transition: transform 0.1s ease, box-shadow 0.1s ease;
}
.cta-stamp:hover { transform: translate(2px, 2px); box-shadow: 2px 2px 0 0 var(--ink); }
.cta-stamp:active { transform: translate(4px, 4px); box-shadow: 0 0 0 0 var(--ink); }

.cta-index {
    color: var(--ink); text-decoration: none;
    border-bottom: 1px solid var(--blue);
    padding-bottom: 3px;
    transition: color 0.15s ease, border-color 0.15s ease;
}
.cta-index:hover { color: var(--blue-deep); border-color: var(--ink); }

/* fig.00 — the plotted brain */
.hero-fig { position: relative; }
.fig-cap { font-size: 0.6875rem; opacity: 0.6; margin-bottom: 0.75rem; display: block; }
.brain-wrap { position: relative; }
#brainSvg { width: 100%; height: auto; display: block; }
#brainSvg path {
    fill: none;
    stroke-width: 0.45;
    stroke-linejoin: round;
}
#brainSvg path.hb { stroke: var(--blue); }
#brainSvg path.ho { stroke: var(--orange); }
#brainSvg path.filled-b { fill: var(--blue); stroke: none; }
#brainSvg path.filled-o { fill: var(--orange); stroke: none; }
#brainSvg .pulse-dot { r: 0.8; }

.brain-callout {
    position: absolute; font-size: 0.6875rem; white-space: nowrap;
    color: var(--ink);
    padding-left: 34px;
    opacity: 0; transform: translateX(-6px);
    transition: opacity 0.4s ease 1.4s, transform 0.4s ease 1.4s;
}
.brain-callout i {
    position: absolute; left: 0; top: 50%; width: 28px; height: 1px;
    background: var(--ink);
}
.brain-wrap.plotted .brain-callout { opacity: 0.8; transform: translateX(0); }
.co-1 { top: 12%; right: -4%; }
.co-2 { top: 48%; right: -9%; }
.co-3 { top: 82%; right: -2%; }

.hero-baseline {
    border-top: 1px solid var(--ink);
    padding-top: 0.6rem;
    margin-top: clamp(2rem, 4vh, 3rem);
    font-size: 0.6875rem; opacity: 0.6;
}

/* ==========================================================================
   02 — PROOF LEDGER
   ========================================================================== */
.ledger-row {
    display: grid; grid-template-columns: repeat(5, 1fr);
    border: 1px solid var(--ink);
}
.ledger-cell {
    position: relative;
    padding: clamp(1.5rem, 3vw, 2.5rem) clamp(1rem, 2vw, 2rem);
    border-right: 1px solid var(--ink);
    display: flex; flex-direction: column; gap: 0.5rem;
}
.ledger-cell:last-child { border-right: none; }
.ledger-num {
    font-size: clamp(2.4rem, 4.2vw, 4rem); font-weight: 500;
    font-feature-settings: "tnum";
    letter-spacing: -0.02em;
    line-height: 1;
    display: flex; align-items: baseline;
}
.ledger-num .suff { font-style: normal; font-size: 0.6em; color: var(--blue); }
.ledger-num b { font-weight: 500; }
.ledger-num.fired b { animation: stampflash 0.24s ease; }
@keyframes stampflash {
    0% { color: var(--ink); }
    35% { color: var(--orange); }
    100% { color: var(--ink); }
}
.ledger-label { font-size: 0.9rem; opacity: 0.75; line-height: 1.35; }
.hex-stamp {
    position: absolute; top: 10px; right: 10px; width: 10px; height: 12px;
    fill: none; stroke: var(--hairline); stroke-width: 1;
}
.ledger-cell.done .hex-stamp { fill: var(--blue); stroke: none; }

/* ==========================================================================
   03 — WORK INDEX
   ========================================================================== */
.workindex-body {
    display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    gap: clamp(2rem, 4vw, 4rem);
    margin-top: clamp(2.5rem, 5vh, 4rem);
    align-items: start;
}

.worklist { border-top: 1px solid var(--ink); }
.workrow {
    display: grid;
    grid-template-columns: 72px minmax(0, 1fr) 28px;
    grid-template-areas:
        "fig name arrow"
        "fig desc arrow"
        "fig connects arrow";
    align-items: center;
    column-gap: 1.25rem;
    padding: 1.1rem 0.5rem;
    border-bottom: 1px solid var(--hairline);
    text-decoration: none; color: var(--ink);
    position: relative;
    transition: background 0.12s ease;
}
.workrow:hover, .workrow.active { background: rgba(1, 109, 181, 0.045); }
.workfig { grid-area: fig; color: var(--blue); font-size: 0.8125rem; transition: color 0.2s ease; }
.workname {
    grid-area: name;
    font-family: var(--font-display); font-weight: 650; font-stretch: 110%;
    font-size: clamp(1.35rem, 2vw, 1.9rem);
    display: flex; align-items: baseline; gap: 0.85rem;
    line-height: 1.15;
}
.worktag { font-style: normal; font-size: 0.625rem; opacity: 0.55; letter-spacing: 0.09em; }
.workdesc { grid-area: desc; font-size: 0.95rem; opacity: 0.75; max-width: 46ch; }
.workarrow { grid-area: arrow; justify-self: end; transition: transform 0.15s ease, color 0.15s ease; }
.workrow:hover .workarrow, .workrow.active .workarrow { transform: translateX(4px); color: var(--orange); }
.workrow:hover .workfig, .workrow.active .workfig { color: var(--orange-deep); }
.workconnects {
    grid-area: connects;
    font-size: 0.625rem; color: var(--blue-deep);
    max-height: 0; overflow: hidden; opacity: 0;
    transition: max-height 0.25s ease, opacity 0.25s ease, margin 0.25s ease;
}
.workrow:hover .workconnects.has-connects, .workrow.active .workconnects.has-connects {
    max-height: 20px; opacity: 1; margin-top: 0.35rem;
}
.workrow.is-flagship { background: rgba(1, 109, 181, 0.03); }
.workrow.crossref .workfig { color: var(--blue); }

/* sticky plate */
.workplate-col { position: sticky; top: 96px; }
.workplate {
    background: var(--plate);
    border: 1px solid var(--ink);
    position: relative;
}
.workplate::after {
    content: ''; position: absolute; inset: 0;
    transform: translate(6px, 6px);
    border: 1px solid var(--hairline);
    z-index: -1;
    pointer-events: none;
}
.workplate-chrome {
    display: flex; align-items: center; gap: 6px;
    border-bottom: 1px solid var(--ink);
    padding: 0.55rem 0.8rem;
    font-size: 0.6875rem;
}
.workplate-chrome i { width: 8px; height: 8px; border: 1px solid var(--ink); border-radius: 50%; }
.workplate-chrome span { margin-left: 0.75rem; opacity: 0.7; }
.workplate-view { aspect-ratio: 4 / 3; overflow: hidden; position: relative; background: var(--plate); }
.workplate-view img {
    width: 100%; height: 100%; object-fit: cover; object-position: top left;
    display: block;
    filter: grayscale(1) contrast(1.02);
    transition: filter 0.5s ease;
}
.workplate-view img.developed { filter: grayscale(0); }
.workplate-view img.wiping { animation: platewipe 0.28s ease; }
@keyframes platewipe {
    from { clip-path: inset(0 100% 0 0); }
    to { clip-path: inset(0 0 0 0); }
}
.workplate-terminal {
    position: absolute; inset: 0;
    background: #141419; color: #ECE9E1; /* a terminal stays dark */
    display: flex; align-items: center; justify-content: center;
    padding: 2rem;
}
.workplate-terminal[hidden] { display: none; }
.workplate-terminal pre {
    font-family: var(--font-mono); font-size: clamp(0.75rem, 1.3vw, 1rem);
    line-height: 1.8; text-transform: none; letter-spacing: 0;
    color: #ECE9E1;
}
.workplate-terminal pre { white-space: pre; }

/* ==========================================================================
   04 — CASE: SORBON
   ========================================================================== */
.caseband { border-top: 1.5px solid var(--ink); border-bottom: 1.5px solid var(--ink); max-width: none; }
.caseband > * { max-width: var(--maxw); margin-left: auto; margin-right: auto; }
.caseband .sheet-head { margin-bottom: clamp(2rem, 5vh, 3.5rem); }

.case-grid {
    display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(2rem, 4vw, 4rem);
    align-items: center;
}
.case-table { border-collapse: collapse; margin: 1.75rem 0; width: 100%; }
.case-table th, .case-table td {
    text-align: left; padding: 0.7rem 1rem 0.7rem 0;
    border-bottom: 1px solid var(--hairline);
    vertical-align: top;
}
.case-table th { color: var(--blue-deep); font-weight: 500; width: 110px; font-size: 0.6875rem; }
.case-table td { font-family: var(--font-body); text-transform: none; letter-spacing: 0; font-size: 1rem; }

.case-canvas-col { display: flex; flex-direction: column; gap: 0.75rem; }
#seatCanvas {
    width: 100%; height: auto; display: block;
    background: var(--plate);
    border: 1px solid var(--ink);
}
.railline { width: 100%; height: 40px; overflow: visible; }
.railline line { stroke: var(--ink); stroke-width: 1; }
.railline .station { fill: var(--paper); stroke: var(--ink); stroke-width: 1; }
.railline .station.passed { fill: var(--blue); stroke: var(--blue); }
.railline .train { fill: var(--orange); stroke: var(--ink); stroke-width: 0.5; }
.case-readout { font-size: 0.6875rem; opacity: 0.65; }

/* ==========================================================================
   05 — CAPABILITIES: TWO HEMISPHERES
   ========================================================================== */
.caps-sheet {
    display: grid; grid-template-columns: 1fr 1px 1fr;
    border: 1px solid var(--ink);
    margin-top: clamp(2.5rem, 5vh, 4rem);
}
.caps-seam { background: var(--ink); }
.caps-side { display: grid; grid-template-rows: auto 1fr 1fr 1fr; }
.caps-header {
    padding: 0.85rem 1.5rem;
    border-bottom: 1px solid var(--ink);
    font-size: 0.6875rem;
}
.caps-left .caps-header { color: var(--blue); }
.caps-right .caps-header { color: var(--orange-deep); }

.caps-cell {
    padding: clamp(1.5rem, 2.5vw, 2.25rem) clamp(1.25rem, 2vw, 1.75rem);
    border-bottom: 1px solid var(--hairline);
    display: flex; flex-direction: column; gap: 0.5rem;
}
.caps-cell:last-child { border-bottom: none; }
.cap-glyph {
    width: 30px; height: 36px;
    fill: none; stroke-width: 1.2; stroke-linejoin: round; stroke-linecap: round;
    margin-bottom: 0.4rem;
}
.caps-left .cap-glyph { stroke: var(--blue); }
.caps-right .cap-glyph { stroke: var(--orange); }
.caps-cell h3 {
    font-family: var(--font-display); font-weight: 650; font-size: 1.35rem;
    letter-spacing: -0.01em;
}
.caps-cell p { font-size: 0.95rem; opacity: 0.75; max-width: 40ch; }
.caps-proof {
    font-size: 0.625rem; margin-top: 0.5rem;
    color: var(--ink); opacity: 0.55;
    text-decoration: none;
    border-bottom: 1px solid transparent;
    align-self: flex-start;
    transition: color 0.15s ease, border-color 0.15s ease, opacity 0.15s ease;
}
.caps-cell:hover .caps-proof, .caps-proof:focus-visible { color: var(--blue-deep); opacity: 1; border-color: var(--blue); }
.caps-proof:hover { color: var(--orange-deep); border-color: var(--orange-deep); }
.caps-footer {
    margin-top: 1rem; font-size: 0.6875rem;
}
.caps-footer a {
    color: var(--blue-deep); text-decoration: none; opacity: 0.85;
    border-bottom: 1px solid transparent;
    transition: border-color 0.15s ease, opacity 0.15s ease;
}
.caps-footer a:hover { opacity: 1; border-color: var(--blue-deep); }

/* ==========================================================================
   06 — ENGAGEMENT: THREE CONTRACTS
   ========================================================================== */
.contracts-row {
    display: grid; grid-template-columns: repeat(3, 1fr);
    border: 1px solid var(--ink);
    margin-top: clamp(2.5rem, 5vh, 4rem);
    position: relative;
}
.contract-slider {
    position: absolute; top: -3px; left: 0;
    width: 33.333%; height: 3px;
    background: var(--orange);
    transition: transform 0.3s cubic-bezier(0.25, 1, 0.35, 1);
    transform: translateX(0);
}
.contract {
    padding: clamp(1.75rem, 3vw, 2.75rem) clamp(1.25rem, 2.25vw, 2rem);
    border-right: 1px solid var(--ink);
    display: flex; flex-direction: column; gap: 1.1rem;
}
.contract:last-child { border-right: none; }
.contract-num {
    font-family: var(--font-display); font-weight: 750; font-stretch: 125%;
    font-size: clamp(3.5rem, 6vw, 5.5rem); line-height: 1;
    color: transparent;
    -webkit-text-stroke: 1.5px var(--ink);
}
.contract h3 { font-family: var(--font-display); font-weight: 650; font-size: 1.4rem; }
.contract-specs { border-collapse: collapse; width: 100%; }
.contract-specs th, .contract-specs td {
    text-align: left; font-weight: 500;
    padding: 0.45rem 0;
    border-bottom: 1px solid var(--hairline);
    font-size: 0.6875rem;
}
.contract-specs th { color: var(--blue-deep); width: 45%; }
.contract-specs .after-launch { color: var(--orange-deep); }
.contract p { font-size: 0.95rem; opacity: 0.75; flex: 1; }
.contract-link {
    color: var(--blue-deep); text-decoration: none; font-size: 0.75rem;
    border-bottom: 1px solid transparent; align-self: flex-start;
    transition: border-color 0.15s ease;
}
.contract-link:hover { border-color: var(--blue-deep); }

/* ==========================================================================
   07 — DWG: THE ONE-LINE RAILWAY
   The interconnection schematic. Blue wires = logic. One orange core.
   ========================================================================== */
.dwg-plate {
    position: relative;
    background: var(--plate);
    border: 1px solid var(--ink);
    margin-top: clamp(2.5rem, 5vh, 4rem);
    padding: clamp(1.25rem, 2.5vw, 2.5rem) clamp(1rem, 2vw, 2rem) 0.9rem;
}
.dwg-plate::after {
    content: ''; position: absolute; inset: 0;
    transform: translate(6px, 6px);
    border: 1px solid var(--hairline);
    z-index: -1; pointer-events: none;
}
.dwg-stamp {
    position: absolute; top: 18px; right: -14px;
    transform: rotate(6deg);
    color: var(--orange-deep);
    border: 1.5px solid var(--orange-deep);
    padding: 0.35rem 0.8rem;
    font-size: 0.6875rem;
    background: var(--plate);
    opacity: 0.85;
    z-index: 2;
}

.dwg-svg { width: 100%; height: auto; display: block; }
#dwgMobile { display: none; max-width: 420px; margin: 0 auto; }

.dwg-wire, .dwg-tap, .dwg-bus {
    fill: none; stroke: var(--blue); stroke-width: 1.5;
}
.dwg-tap { stroke-width: 1; opacity: 0.55; }
.dwg-bus { stroke-dasharray: 5 4; opacity: 0.55; }
.dwg-junction { fill: var(--blue); }
.dwg-arrow { fill: var(--blue); }

.dwg-block { cursor: pointer; }
.dwg-block rect {
    fill: var(--plate); stroke: var(--ink); stroke-width: 1;
    transition: fill 0.15s ease;
}
.dwg-block text { transition: fill 0.15s ease; }
.dwg-fig {
    font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.09em;
    fill: var(--blue);
}
.dwg-name {
    font-family: var(--font-display); font-weight: 650; font-size: 21px;
    letter-spacing: 0.01em; fill: var(--ink);
}
.dwg-role {
    font-family: var(--font-mono); font-size: 9.5px; letter-spacing: 0.07em;
    fill: var(--ink); opacity: 0.6;
}
.dwg-block:hover rect, .dwg-block:focus-visible rect { fill: var(--ink); }
.dwg-block:hover .dwg-name, .dwg-block:focus-visible .dwg-name { fill: var(--paper); }
.dwg-block:hover .dwg-role, .dwg-block:focus-visible .dwg-role { fill: var(--paper); }
.dwg-block:hover .dwg-fig, .dwg-block:focus-visible .dwg-fig { fill: var(--orange); }
.dwg-block:focus-visible rect { stroke-width: 2; }

/* the one orange element on the sheet: the thinking core */
.dwg-sorbon rect { stroke: var(--orange); stroke-width: 1.5; }
.dwg-sorbon .dwg-fig { fill: var(--orange-deep); }
.dwg-sorbon:hover rect, .dwg-sorbon:focus-visible rect { fill: var(--orange); stroke: var(--ink); }
.dwg-sorbon:hover .dwg-name, .dwg-sorbon:hover .dwg-role,
.dwg-sorbon:focus-visible .dwg-name, .dwg-sorbon:focus-visible .dwg-role { fill: var(--stamp-text); }
.dwg-sorbon:hover .dwg-fig, .dwg-sorbon:focus-visible .dwg-fig { fill: var(--stamp-text); }
.dwg-flash { fill: none; stroke: var(--orange); stroke-width: 1.5; opacity: 0; pointer-events: none; }

.dwg-wlabel, .dwg-endlabel {
    font-family: var(--font-mono); font-size: 9.5px; letter-spacing: 0.09em;
    fill: var(--ink); opacity: 0.55;
}
.dwg-endlabel { opacity: 0.75; }

/* the passenger pulse route (drawn invisibly; JS animates a dot along it) */
.dwg-route { fill: none; stroke: none; pointer-events: none; }
.dwg-pulse { fill: var(--orange); pointer-events: none; }
.dwg-pulse-echo { fill: var(--blue); pointer-events: none; }

.dwg-caption {
    border-top: 1px solid var(--hairline);
    margin-top: 1rem; padding-top: 0.75rem;
    font-size: 0.6875rem; opacity: 0.6;
}

.dwg-notes { margin-top: 1.5rem; display: flex; flex-direction: column; gap: 0.45rem; }
.dwg-note { font-size: 0.6875rem; opacity: 0.7; }
.dwg-note a {
    color: var(--blue-deep); text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.15s ease;
}
.dwg-note a:hover { border-color: var(--blue-deep); }

/* plot-in: solid wires draw via stroke-dashoffset (JS); dashed/secondary
   strokes, blocks and labels fade in staged — the hero's plot-then-fill. */
.dwg-plate.plotting .dwg-tap, .dwg-plate.plotting .dwg-bus,
.dwg-plate.plotting .dwg-block, .dwg-plate.plotting .dwg-wlabel, .dwg-plate.plotting .dwg-endlabel,
.dwg-plate.plotting .dwg-junction, .dwg-plate.plotting .dwg-arrow { opacity: 0; }
.dwg-plate.plotted .dwg-tap, .dwg-plate.plotted .dwg-bus {
    opacity: 0.55; transition: opacity 0.4s ease 0.45s;
}
.dwg-plate.plotted .dwg-block, .dwg-plate.plotted .dwg-junction, .dwg-plate.plotted .dwg-arrow {
    opacity: 1; transition: opacity 0.4s ease 0.55s;
}
.dwg-plate.plotted .dwg-wlabel { opacity: 0.55; transition: opacity 0.4s ease 0.95s; }
.dwg-plate.plotted .dwg-endlabel { opacity: 0.75; transition: opacity 0.4s ease 0.95s; }

/* ==========================================================================
   08 — MONUMENT + FOOTER
   ========================================================================== */
.monument { text-align: left; padding-bottom: clamp(4rem, 8vh, 6rem); }
.monument-title {
    font-family: var(--font-display);
    font-weight: 750; font-stretch: 125%;
    font-size: clamp(2.6rem, 7vw, 7.5rem);
    line-height: 0.95; letter-spacing: -0.025em;
    text-transform: uppercase;
    display: flex; flex-direction: column; gap: 0.1em;
    margin-bottom: clamp(2.5rem, 6vh, 4rem);
}
.mline { display: block; }
.mline.fill-blue { color: var(--blue); }

.monument-cta {
    display: inline-flex; align-items: center; justify-content: space-between;
    gap: 2rem;
    background: var(--orange);
    color: var(--stamp-text);
    text-decoration: none;
    font-family: var(--font-mono); font-weight: 500;
    font-size: clamp(1.1rem, 2.4vw, 2rem); letter-spacing: 0.09em;
    text-transform: uppercase;
    padding: clamp(1.5rem, 3vw, 2.5rem) clamp(2rem, 4vw, 4rem);
    border: 1.5px solid var(--ink);
    box-shadow: 8px 8px 0 0 var(--ink);
    transition: transform 0.12s ease, box-shadow 0.12s ease;
    width: min(100%, 720px);
}
.monument-cta:hover { transform: translate(4px, 4px); box-shadow: 4px 4px 0 0 var(--ink); }
.monument-cta:active { transform: translate(8px, 8px); box-shadow: 0 0 0 0 var(--ink); }
.monument-cta-arrow { transition: transform 0.15s ease; }
.monument-cta:hover .monument-cta-arrow { transform: translateX(6px); }
.monument-note { margin-top: 1.25rem; font-size: 0.6875rem; opacity: 0.6; }

.footer-print {
    border-top: 1.5px solid var(--ink);
    position: relative;
    overflow: hidden;
    padding: clamp(3rem, 6vh, 5rem) var(--margin) 1rem;
}
.footer-cols {
    max-width: var(--maxw); margin: 0 auto;
    display: grid; grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}
.fcol { display: flex; flex-direction: column; gap: 0.45rem; }
.fcol-h { color: var(--blue-deep); margin-bottom: 0.6rem; font-size: 0.6875rem; }
.fcol a {
    color: var(--ink); text-decoration: none; font-size: 0.95rem;
    opacity: 0.8; width: fit-content;
    border-bottom: 1px solid transparent;
    transition: border-color 0.15s ease, opacity 0.15s ease;
}
.fcol a:hover { opacity: 1; border-color: var(--blue); }
.footer-langs { align-self: flex-start; }

.footer-stampline {
    max-width: var(--maxw); margin: 3rem auto 0;
    display: flex; align-items: center; gap: 1rem;
    border-top: 1px solid var(--hairline);
    padding-top: 1.5rem;
}
.footer-stampline p { font-size: 0.6875rem; opacity: 0.7; }

.footer-watermark {
    font-family: var(--font-display);
    font-weight: 750; font-stretch: 125%;
    font-size: clamp(4rem, 13vw, 13rem);
    line-height: 0.8;
    letter-spacing: -0.02em;
    color: var(--ink);
    opacity: 0.04;
    text-align: center;
    user-select: none;
    margin-top: 1.5rem;
    white-space: nowrap;
}
.cropmarks-footer i:nth-child(1) { top: 12px; left: var(--margin); }
.cropmarks-footer i:nth-child(2) { top: 12px; right: var(--margin); }
.cropmarks-footer i:nth-child(3), .cropmarks-footer i:nth-child(4) { display: none; }

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 1080px) {
    .workindex-body { grid-template-columns: 1fr; }
    .workplate-col { position: static; order: -1; margin-bottom: 1.5rem; }
    .case-grid { grid-template-columns: 1fr; }
    .hero-grid { grid-template-columns: 1fr; }
    .hero-fig { max-width: 420px; }
    .brain-callout { display: none; }
}

@media (max-width: 860px) {
    .titlenav { display: none; }
    .burger { display: block; }
    .titlebar.menu-open .titlenav {
        display: flex; flex-direction: column;
        position: absolute; top: 100%; left: 0; right: 0;
        background: var(--paper); border-bottom: 1.5px solid var(--ink);
        padding: 1.25rem var(--margin) 1.5rem; gap: 1.1rem;
    }
    .contact-chip { display: none; }
    .titlebar.menu-open .contact-chip { display: inline-block; position: absolute; top: calc(100% + 220px); left: var(--margin); }
    .pindex-rows { grid-template-columns: 1fr; }
    .pindex-row { grid-template-columns: 52px 110px 1fr 20px; }
    .pindex-row.is-soon { grid-template-columns: 52px 110px 1fr auto; }
    .pindex-desc { display: none; }
    .ledger-row { grid-template-columns: 1fr 1fr; }
    .ledger-cell { border-bottom: 1px solid var(--ink); }
    .ledger-cell:nth-child(2n) { border-right: none; }
    .ledger-cell:last-child { border-bottom: none; }
    /* 5-cell ledgers (index, about): the odd cell out spans the full band */
    .ledger-cell:nth-child(5):last-child { grid-column: 1 / -1; }
    .caps-sheet { grid-template-columns: 1fr; }
    .caps-seam { height: 1px; width: 100%; }
    .contracts-row { grid-template-columns: 1fr; }
    .contract { border-right: none; border-bottom: 1px solid var(--ink); }
    .contract:last-child { border-bottom: none; }
    .contract-slider { display: none; }
    #dwgDesktop { display: none; }
    #dwgMobile { display: block; }
    .dwg-stamp { right: -8px; top: 12px; font-size: 0.625rem; }
    .footer-cols { grid-template-columns: 1fr 1fr; }
    .plotline { display: none; }
    .workrow { grid-template-columns: 56px minmax(0, 1fr) 22px; }
    .hero-annotations span:nth-child(2) { display: none; }
}

@media (max-width: 520px) {
    .poster-line[data-line="1"] { font-size: 17vw; }
    .poster-line[data-line="2"] { font-size: 14vw; }
    .poster-line[data-line="3"] { font-size: 7.8vw; }
    .hero-ctas { gap: 1.25rem; }
    .cta-stamp { padding: 0.9rem 1.5rem; }
    .ledger-row { grid-template-columns: 1fr; }
    .ledger-cell { border-right: none; }
    .footer-cols { grid-template-columns: 1fr; }
    .monument-cta { gap: 1rem; }
    .lang-pill:not(.footer-langs) { display: none; }
    .titlebar.menu-open .lang-pill:not(.footer-langs) { display: inline-flex; position: absolute; top: calc(100% + 270px); left: var(--margin); }
}

/* ==========================================================================
   REDUCED MOTION — everything renders in its completed state
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-delay: 0s !important;
        transition-duration: 0.01ms !important;
    }
    .poster-line, .reveal { clip-path: inset(0 0 0 0) !important; }
    .brain-callout { opacity: 0.8 !important; transform: none !important; }
    .workplate-view img { filter: grayscale(0); }
    /* the drawing renders complete — a real schematic doesn't need to move */
    .dwg-plate.plotting .dwg-wire, .dwg-plate.plotting .dwg-block,
    .dwg-plate.plotting .dwg-junction, .dwg-plate.plotting .dwg-arrow { opacity: 1 !important; }
    .dwg-plate.plotting .dwg-tap, .dwg-plate.plotting .dwg-bus,
    .dwg-plate.plotting .dwg-wlabel { opacity: 0.55 !important; }
    .dwg-plate.plotting .dwg-endlabel { opacity: 0.75 !important; }
}