/* ===========================================================
   archetypic.dev — wabi-sabi tea house under HUD glass
   Palette (true duotone + paper):
     #1d1a14  sumi ink
     #a54c30  bengara red
     #e8e0d0  washi paper
   Fonts: Cormorant Garamond, EB Garamond, JetBrains Mono, Noto Serif JP
   Scale ratio: √2  (1.414)
   Spacing: Fibonacci/tatami — 8 13 21 34 55 89 144 px
   =========================================================== */

:root {
    --ink: #1d1a14;
    --bengara: #a54c30;
    --washi: #e8e0d0;

    /* type scale, root 0.92rem * 1.414 */
    --t-0: 0.68rem;
    --t-1: 0.92rem;
    --t-2: 1.05rem;
    --t-3: 1.48rem;
    --t-4: 2.10rem;
    --t-5: 2.97rem;

    /* fibonacci / tatami spacing */
    --s-1: 8px;
    --s-2: 13px;
    --s-3: 21px;
    --s-4: 34px;
    --s-5: 55px;
    --s-6: 89px;
    --s-7: 144px;

    --hud-line: 1px;
    --reticle-inset: 21px;

    /* counter-animate amplitude */
    --counter-y: 0px;
    --counter-r: 0deg;

    /* default jitter */
    --jx: 0px;
    --jy: 0px;
    --jr: 0deg;
}

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

html, body {
    background: var(--washi);
    color: var(--ink);
    font-family: "EB Garamond", "Cormorant Garamond", Georgia, serif;
    font-size: var(--t-2);
    line-height: 1.72;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

/* ---------- WEATHERED PAPER GROUND ---------- */

.paper-ground {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background:
        radial-gradient(ellipse at 18% 22%, rgba(29,26,20,0.06), transparent 50%),
        radial-gradient(ellipse at 82% 78%, rgba(29,26,20,0.05), transparent 55%),
        radial-gradient(ellipse at 50% 50%, rgba(165,76,48,0.025), transparent 60%),
        var(--washi);
}

.paper-grain {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0.55;
    mix-blend-mode: multiply;
}

.paper-stain {
    position: absolute;
    border-radius: 50%;
    filter: blur(34px);
    mix-blend-mode: multiply;
    pointer-events: none;
}

.paper-stain.stain-1 {
    width: 38vw;
    height: 38vw;
    top: 6vh;
    left: -8vw;
    background: radial-gradient(circle, rgba(29,26,20,0.10), transparent 65%);
}

.paper-stain.stain-2 {
    width: 28vw;
    height: 28vw;
    top: 60vh;
    right: -5vw;
    background: radial-gradient(circle, rgba(29,26,20,0.08), transparent 65%);
}

.paper-stain.stain-3 {
    width: 22vw;
    height: 22vw;
    top: 140vh;
    left: 30vw;
    background: radial-gradient(circle, rgba(165,76,48,0.05), transparent 70%);
}

/* ---------- HUD RETICLE ---------- */

.hud-reticle {
    position: fixed;
    inset: 0;
    z-index: 10;
    pointer-events: none;
    transition: opacity 600ms ease-out;
}

.hud-reticle.is-quiet {
    opacity: 0;
}

.corner {
    position: fixed;
    width: 34px;
    height: 34px;
    pointer-events: none;
}

.corner-tl { top: var(--reticle-inset); left: var(--reticle-inset); }
.corner-tr { top: var(--reticle-inset); right: var(--reticle-inset); }
.corner-bl { bottom: var(--reticle-inset); left: var(--reticle-inset); }
.corner-br { bottom: var(--reticle-inset); right: var(--reticle-inset); }

/* compass dial */

.compass {
    position: fixed;
    top: var(--s-5);
    right: var(--s-5);
    width: 96px;
    height: 96px;
    pointer-events: auto;
    cursor: pointer;
}

.compass svg {
    width: 100%;
    height: 100%;
    overflow: visible;
}

.compass-indicator {
    transform-origin: 50px 50px;
    transition: transform 1200ms cubic-bezier(0.22, 1, 0.36, 1);
}

#compassTicks line {
    stroke: var(--bengara);
    stroke-width: 0.4;
}

/* hanko seal */

.hanko {
    position: fixed;
    top: calc(var(--s-5) + 110px);
    right: var(--s-5);
    width: 56px;
    height: 56px;
    pointer-events: none;
    transform: translate(var(--jx), var(--jy)) rotate(-8deg);
    filter: url(#inkBleed);
    opacity: 0.92;
}

.hanko svg {
    width: 100%;
    height: 100%;
}

/* scan-line */

.scan-line {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    opacity: 0.08;
}

.scan-line line {
    transform-origin: 50% 50%;
    animation: scanTraverse 18s linear infinite;
}

@keyframes scanTraverse {
    0%   { transform: translate(-110%, -110%); }
    100% { transform: translate(110%, 110%); }
}

/* edge meta */

.edge-meta {
    position: fixed;
    left: 50%;
    transform: translateX(-50%);
    font-family: "JetBrains Mono", monospace;
    font-size: var(--t-0);
    color: var(--ink);
    opacity: 0.72;
    text-transform: lowercase;
    letter-spacing: 0.08em;
    display: flex;
    gap: var(--s-2);
    align-items: center;
    pointer-events: none;
}

.edge-top { top: var(--s-3); }
.edge-bottom { bottom: var(--s-3); }

.meta-sep { color: var(--bengara); opacity: 0.7; }

/* quiet toggle */

.quiet-toggle {
    position: fixed;
    bottom: var(--s-5);
    left: var(--s-5);
    background: transparent;
    border: 1px solid var(--bengara);
    color: var(--ink);
    font-family: "JetBrains Mono", monospace;
    font-size: var(--t-0);
    text-transform: lowercase;
    letter-spacing: 0.1em;
    padding: var(--s-1) var(--s-2);
    display: inline-flex;
    align-items: center;
    gap: var(--s-1);
    cursor: pointer;
    pointer-events: auto;
    transition: background 300ms ease;
}

.quiet-toggle:hover { background: rgba(165,76,48,0.06); }

.qt-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--bengara);
    display: inline-block;
}

/* ---------- NARRATIVE / SECTIONS ---------- */

.narrative {
    position: relative;
    z-index: 2;
}

.sec {
    position: relative;
    width: 100vw;
    min-height: 100vh;
    padding: var(--s-6) var(--s-7);
    display: block;
    overflow: hidden;
}

@media (max-width: 900px) {
    .sec { padding: var(--s-5) var(--s-4); }
}

.numeral {
    font-family: "Cormorant Garamond", serif;
    font-weight: 500;
    font-size: var(--t-3);
    color: var(--bengara);
    letter-spacing: 0.04em;
    display: inline-block;
    margin-bottom: var(--s-2);
    transform: translate(var(--jx), var(--jy)) rotate(var(--jr));
}

.sec-title {
    font-family: "Cormorant Garamond", serif;
    font-weight: 300;
    font-size: clamp(2.6rem, 6.2vw, 5.6rem);
    line-height: 1.06;
    letter-spacing: -0.018em;
    color: var(--ink);
    position: relative;
    display: inline-block;
    cursor: default;
    transition: transform 400ms ease;
}

.sec-title[data-kintsugi]::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0.08em;
    height: 1.2px;
    background: var(--bengara);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 320ms ease;
    opacity: 0.7;
}

.sec-title[data-kintsugi]:hover::after,
.sec-title[data-kintsugi].is-mended::after {
    transform: scaleX(1);
}

.sec-title[data-kintsugi].is-mended::after {
    opacity: 0.4;
}

/* ---------- BRUSH STROKES (DRAWING ANIMATION) ---------- */

.brush-stroke {
    stroke-dasharray: 100;
    stroke-dashoffset: 100;
    transition: stroke-dashoffset 1400ms cubic-bezier(0.22, 1, 0.36, 1);
    stroke-linecap: round;
    stroke-linejoin: round;
}

.brush-stroke.is-drawn {
    stroke-dashoffset: 0;
}

.brush-stroke.is-warm {
    filter: brightness(0.94);
}

/* ---------- SECTION 1 — KAI ---------- */

.sec-kai {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: center;
    gap: var(--s-6);
    min-height: 100vh;
}

.kai-glyph-wrap {
    position: relative;
    width: 100%;
    height: 78vh;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding-right: var(--s-5);
    transform: translate(var(--jx), 0) rotate(var(--jr));
}

.kai-glyph,
.hei-glyph {
    font-family: "Noto Serif JP", serif;
    font-weight: 300;
    font-size: 40vw;
    line-height: 0.9;
    color: var(--ink);
    opacity: 0.82;
    filter: url(#inkBleedHeavy);
    user-select: none;
    pointer-events: none;
}

.hei-glyph {
    opacity: 0.6;
}

.kai-radical-callout,
.callout-h1, .callout-h2 {
    position: absolute;
    display: flex;
    align-items: center;
    gap: var(--s-1);
    font-family: "JetBrains Mono", monospace;
    font-size: var(--t-0);
    text-transform: lowercase;
    color: var(--ink);
    letter-spacing: 0.08em;
    pointer-events: none;
}

.callout-leader {
    width: 55px;
    height: 1px;
    background: var(--bengara);
    opacity: 0.7;
    position: relative;
}

.callout-leader::before,
.callout-leader::after {
    content: "";
    position: absolute;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--bengara);
    top: -1.5px;
}

.callout-leader::before { left: -2px; }
.callout-leader::after { right: -2px; }

.callout-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
    border-left: 1px solid var(--bengara);
    padding-left: var(--s-1);
    opacity: 0.86;
}

.callout-line:first-child {
    color: var(--bengara);
    font-weight: 400;
}

.callout-r1 { top: 12%; right: 4%; }
.callout-r2 { top: 46%; right: -2%; }
.callout-r3 { bottom: 16%; right: 8%; }

.callout-h1 { top: 18%; left: 4%; flex-direction: row-reverse; }
.callout-h1 .callout-text { border-left: none; border-right: 1px solid var(--bengara); padding-left: 0; padding-right: var(--s-1); text-align: right; }
.callout-h2 { bottom: 22%; left: 8%; flex-direction: row-reverse; }
.callout-h2 .callout-text { border-left: none; border-right: 1px solid var(--bengara); padding-left: 0; padding-right: var(--s-1); text-align: right; }

.kai-meta,
.hei-meta {
    max-width: 38ch;
    padding-left: var(--s-3);
    border-left: 1px solid rgba(29,26,20,0.18);
}

.kai-sub,
.hei-sub,
.hei-colophon {
    font-family: "EB Garamond", serif;
    font-size: var(--t-2);
    line-height: 1.72;
    margin-top: var(--s-3);
    color: var(--ink);
    opacity: 0.86;
}

.hei-colophon {
    margin-top: var(--s-4);
    font-family: "JetBrains Mono", monospace;
    font-size: var(--t-0);
    text-transform: lowercase;
    letter-spacing: 0.08em;
    opacity: 0.6;
    line-height: 1.5;
}

.hud-bracket-label {
    position: absolute;
    bottom: var(--s-6);
    right: var(--s-5);
    font-family: "JetBrains Mono", monospace;
    font-size: var(--t-0);
    text-transform: lowercase;
    letter-spacing: 0.1em;
    color: var(--ink);
    opacity: 0;
    transform: translateX(32px);
    transition: opacity 480ms ease, transform 480ms cubic-bezier(0.22, 1, 0.36, 1);
    display: flex;
    gap: var(--s-1);
}

.hud-bracket-label.is-in {
    opacity: 0.86;
    transform: translateX(0);
}

.bl-bracket { color: var(--bengara); }

/* ---------- SECTION 2 — MANIFESTO ---------- */

.sec-manifesto {
    display: grid;
    grid-template-columns: minmax(0, 0.38fr) minmax(0, 0.62fr);
    align-items: center;
    gap: var(--s-6);
    position: relative;
}

.manifesto-column {
    max-width: 38ch;
    margin-left: auto;
    transform: translate(var(--jx), var(--jy));
}

.manifesto-body {
    margin-top: var(--s-4);
    font-family: "EB Garamond", serif;
    font-size: var(--t-2);
    line-height: 1.78;
    color: var(--ink);
    text-align: left;
}

.manifesto-body p {
    margin-bottom: var(--s-3);
    text-wrap: pretty;
}

.manifesto-body em {
    font-style: italic;
    color: var(--ink);
}

.manifesto-telemetry {
    align-self: stretch;
    display: flex;
    flex-direction: column;
    gap: var(--s-1);
    font-family: "JetBrains Mono", monospace;
    font-size: var(--t-0);
    text-transform: lowercase;
    letter-spacing: 0.08em;
    color: var(--ink);
    opacity: 0.78;
    padding: var(--s-4) 0;
    border-left: 1px solid rgba(165,76,48,0.4);
    padding-left: var(--s-3);
    max-width: 240px;
    align-self: center;
    justify-self: start;
}

.tel-row {
    display: flex;
    justify-content: space-between;
    gap: var(--s-2);
}

.tel-key { opacity: 0.76; }
.tel-val { color: var(--bengara); font-variant-numeric: tabular-nums; }

.tel-divider {
    height: 1px;
    background: var(--bengara);
    opacity: 0.3;
    margin: var(--s-1) 0;
}

.brush-leaf {
    position: absolute;
    right: 6vw;
    top: 16vh;
    width: 14vw;
    min-width: 130px;
    max-width: 220px;
    pointer-events: none;
    transform: translateY(var(--counter-y)) rotate(var(--counter-r));
    transition: transform 1200ms cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- SECTION 3 — CATALOG ---------- */

.sec-catalog {
    display: flex;
    flex-direction: column;
    gap: var(--s-5);
    position: relative;
}

.catalog-header {
    max-width: 56ch;
    transform: translate(var(--jx), 0);
}

.catalog-lede {
    margin-top: var(--s-3);
    font-family: "EB Garamond", serif;
    font-size: var(--t-2);
    line-height: 1.72;
    color: var(--ink);
    opacity: 0.84;
}

.catalog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--s-5) var(--s-4);
    margin-top: var(--s-3);
}

.archetype {
    display: flex;
    flex-direction: column;
    gap: var(--s-2);
    position: relative;
    transform: translate(var(--jx), var(--jy)) rotate(var(--jr));
}

.arch-canvas {
    position: relative;
    width: 100%;
    aspect-ratio: 6 / 5;
    display: flex;
    align-items: center;
    justify-content: center;
    /* torn-paper boundary using a soft mask */
    -webkit-mask-image: radial-gradient(ellipse at center, black 70%, transparent 100%);
            mask-image: radial-gradient(ellipse at center, black 70%, transparent 100%);
}

.arch-svg {
    width: 80%;
    height: 80%;
}

.arch-meta {
    border-top: 1px solid rgba(29,26,20,0.18);
    padding-top: var(--s-2);
    display: flex;
    flex-direction: column;
    gap: var(--s-1);
}

.arch-no {
    font-family: "JetBrains Mono", monospace;
    font-size: var(--t-0);
    text-transform: lowercase;
    letter-spacing: 0.1em;
    color: var(--bengara);
}

.arch-name {
    font-family: "Cormorant Garamond", serif;
    font-weight: 300;
    font-size: var(--t-3);
    line-height: 1.1;
    letter-spacing: -0.012em;
    position: relative;
    display: inline-block;
    cursor: default;
}

.arch-name[data-kintsugi]::after {
    content: "";
    position: absolute;
    left: 0; right: 0; bottom: 0.04em;
    height: 1px;
    background: var(--bengara);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 320ms ease;
    opacity: 0.7;
}

.arch-name[data-kintsugi]:hover::after,
.arch-name[data-kintsugi].is-mended::after {
    transform: scaleX(1);
}

.arch-note {
    font-family: "EB Garamond", serif;
    font-size: 0.96rem;
    line-height: 1.6;
    color: var(--ink);
    opacity: 0.84;
    max-width: 36ch;
}

.arch-tag-cluster {
    display: flex;
    gap: var(--s-2);
    margin-top: var(--s-1);
}

.arch-tag {
    font-family: "JetBrains Mono", monospace;
    font-size: var(--t-0);
    text-transform: lowercase;
    letter-spacing: 0.08em;
    color: var(--ink);
    opacity: 0.72;
}

.arch-tag::before {
    content: "[ ";
    color: var(--bengara);
}

.arch-tag::after {
    content: " ]";
    color: var(--bengara);
}

.brush-stone {
    position: absolute;
    bottom: 4vh;
    right: 4vw;
    width: 18vw;
    min-width: 160px;
    max-width: 240px;
    pointer-events: none;
    transform: translateY(var(--counter-y)) rotate(var(--counter-r));
    transition: transform 1200ms cubic-bezier(0.22, 1, 0.36, 1);
    opacity: 0.85;
}

/* ---------- SECTION 4 — PROCESS / EMAKIMONO ---------- */

.sec-process {
    padding: 0;
    height: 360vh; /* drives sticky pin scroll */
    min-height: 360vh;
}

.process-pin {
    position: sticky;
    top: 0;
    height: 100vh;
    width: 100vw;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    padding: var(--s-5) var(--s-7) var(--s-4);
}

@media (max-width: 900px) {
    .process-pin { padding: var(--s-4) var(--s-4) var(--s-3); }
}

.process-header {
    max-width: 60ch;
    margin-bottom: var(--s-3);
}

.process-sub {
    margin-top: var(--s-2);
    font-family: "EB Garamond", serif;
    font-size: var(--t-2);
    line-height: 1.6;
    color: var(--ink);
    opacity: 0.82;
}

.process-track-wrap {
    flex: 1;
    overflow: hidden;
    position: relative;
    -webkit-mask-image: linear-gradient(to right, transparent 0, black 6%, black 94%, transparent 100%);
            mask-image: linear-gradient(to right, transparent 0, black 6%, black 94%, transparent 100%);
}

.process-track {
    display: flex;
    height: 100%;
    align-items: center;
    gap: var(--s-6);
    will-change: transform;
    padding-left: 6vw;
    transition: none;
}

.emaki-vignette {
    flex: 0 0 auto;
    width: 36vw;
    min-width: 320px;
    display: flex;
    flex-direction: column;
    gap: var(--s-2);
    transform: translate(var(--jx), var(--jy));
}

.vignette-svg {
    width: 100%;
    aspect-ratio: 1.4 / 1;
    -webkit-mask-image: radial-gradient(ellipse at center, black 72%, transparent 100%);
            mask-image: radial-gradient(ellipse at center, black 72%, transparent 100%);
}

.vignette-meta {
    border-top: 1px solid rgba(29,26,20,0.18);
    padding-top: var(--s-2);
    display: flex;
    flex-direction: column;
    gap: var(--s-1);
}

.v-phase {
    font-family: "JetBrains Mono", monospace;
    font-size: var(--t-0);
    text-transform: lowercase;
    letter-spacing: 0.1em;
    color: var(--bengara);
}

.v-title {
    font-family: "Cormorant Garamond", serif;
    font-weight: 300;
    font-size: var(--t-3);
    letter-spacing: -0.012em;
}

.v-note {
    font-family: "EB Garamond", serif;
    font-size: 0.98rem;
    line-height: 1.6;
    color: var(--ink);
    opacity: 0.84;
    max-width: 34ch;
}

.process-progress {
    margin-top: var(--s-3);
    display: flex;
    align-items: center;
    gap: var(--s-3);
}

.pp-track {
    flex: 1;
    height: 1px;
    background: rgba(29,26,20,0.18);
    position: relative;
}

.pp-fill {
    position: absolute;
    inset: 0;
    width: 0%;
    background: var(--bengara);
    transition: width 200ms linear;
}

.pp-label {
    font-family: "JetBrains Mono", monospace;
    font-size: var(--t-0);
    text-transform: lowercase;
    letter-spacing: 0.1em;
    color: var(--bengara);
    min-width: 70px;
    text-align: right;
}

/* ---------- SECTION 5 — FIELD NOTES ---------- */

.sec-notes {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr);
    gap: var(--s-6);
    align-items: start;
    position: relative;
}

.notes-header {
    position: sticky;
    top: 18vh;
    max-width: 36ch;
    transform: translate(var(--jx), 0);
}

.notes-sub {
    margin-top: var(--s-2);
    font-family: "EB Garamond", serif;
    font-size: var(--t-2);
    color: var(--ink);
    opacity: 0.84;
}

.notes-column {
    display: flex;
    flex-direction: column;
    gap: var(--s-5);
    max-width: 38ch;
    margin-right: auto;
}

.note {
    border-left: 1px solid rgba(29,26,20,0.18);
    padding-left: var(--s-3);
    position: relative;
}

.note-head {
    display: flex;
    flex-direction: column;
    gap: 2px;
    margin-bottom: var(--s-2);
}

.note-date {
    font-family: "Cormorant Garamond", serif;
    font-weight: 500;
    font-size: var(--t-2);
    color: var(--ink);
    letter-spacing: 0.04em;
}

.note-coord {
    font-family: "JetBrains Mono", monospace;
    font-size: var(--t-0);
    text-transform: lowercase;
    letter-spacing: 0.08em;
    color: var(--bengara);
    opacity: 0.86;
}

.note p {
    font-family: "EB Garamond", serif;
    font-size: var(--t-2);
    line-height: 1.74;
    color: var(--ink);
    text-align: left;
}

.note em { font-style: italic; }

.brush-rain {
    position: absolute;
    right: 4vw;
    top: 8vh;
    width: 14vw;
    min-width: 140px;
    max-width: 220px;
    height: 70vh;
    pointer-events: none;
    transform: translateY(var(--counter-y));
    transition: transform 1200ms cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- SECTION 6 — HEI ---------- */

.sec-hei {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr);
    align-items: center;
    gap: var(--s-6);
}

.hei-glyph-wrap {
    position: relative;
    width: 100%;
    height: 78vh;
    display: flex;
    align-items: center;
    justify-content: center;
    transform: translate(var(--jx), 0) rotate(var(--jr));
}

/* ---------- SCROLL-FOCUS FLY-IN STATE ---------- */

.is-active .hud-bracket-label {
    opacity: 0.86;
    transform: translateX(0);
}

/* ---------- INK-POOL CURSOR PROXIMITY ---------- */

.brush-stroke.is-warmed {
    filter: brightness(0.92) saturate(1.1);
    transition: filter 600ms ease;
}

/* ---------- RESPONSIVE ---------- */

@media (max-width: 900px) {
    :root { --reticle-inset: 13px; }

    .sec-kai,
    .sec-manifesto,
    .sec-notes,
    .sec-hei {
        grid-template-columns: 1fr;
        gap: var(--s-4);
    }

    .kai-glyph,
    .hei-glyph { font-size: 60vw; }

    .compass {
        width: 64px;
        height: 64px;
        top: var(--s-3);
        right: var(--s-3);
    }

    .hanko {
        top: calc(var(--s-3) + 78px);
        right: var(--s-3);
        width: 40px;
        height: 40px;
    }

    .edge-meta { font-size: 9px; }

    .quiet-toggle {
        bottom: var(--s-3);
        left: var(--s-3);
    }

    .manifesto-telemetry {
        max-width: none;
        align-self: start;
    }

    .brush-leaf,
    .brush-stone,
    .brush-rain {
        opacity: 0.4;
    }
}

/* ---------- FOOTER PRINT (none, by edict) ---------- */