/* Color Harmony Bridge microsite.
 * Family link to Color Harmony for Photoshop: Archivo, Plex Mono for color
 * values only, the three-bar mark and the same ink. Everything else differs:
 * the page lives on the light Figma side, and the hero is split by a seam. */

@font-face { font-family: "Archivo"; src: url("fonts/Archivo-100-900-latin.woff2") format("woff2"); font-weight: 100 900; font-display: swap; unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "Archivo"; src: url("fonts/Archivo-100-900-latin-ext.woff2") format("woff2"); font-weight: 100 900; font-display: swap; unicode-range: U+0100-024F, U+0259, U+1E00-1EFF, U+2020, U+20A0-20AB, U+20AD-20CF, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: "Plex Mono"; src: url("fonts/IBMPlexMono-400-latin.woff2") format("woff2"); font-weight: 400; font-display: swap; }

:root {
  /* Photoshop side: the family ink */
  --ink: #15141c;
  --ink-2: #1e1c27;
  --ink-line: #34313f;
  --on-ink: #f1eff6;
  --on-ink-muted: #a9a5b8;
  /* Figma side: cool canvas grey, never cream */
  --canvas: #e8ebef;
  --paper: #f8f9fb;
  --line: #d3d8df;
  --text: #1b1b22;
  --muted: #5b5f6d;
  /* States, used only where they mean something */
  --new: #13814a;
  --changed: #1a63c7;
  --same: #6b6f7c;
  --warn: #9a5b00;
  /* Family mark */
  --m1: #9b82ff; --m2: #e05cc4; --m3: #5ad2e6;

  --sans: "Archivo", "Segoe UI", system-ui, sans-serif;
  --mono: "Plex Mono", ui-monospace, Consolas, monospace;
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --r: 10px;
  --gutter: clamp(16px, 4vw, 56px);
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --canvas: #202024;
    --paper: #2a2a2f;
    --line: #3d3d45;
    --text: #eeeef2;
    --muted: #a6a8b3;
    --new: #5fd394;
    --changed: #7cb6ff;
    --same: #9a9ca8;
    --warn: #f0b35a;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; background: var(--canvas); color: var(--text); font: 400 17px/1.55 var(--sans); -webkit-font-smoothing: antialiased; }
code, .mono { font-family: var(--mono); font-size: 0.86em; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--changed); outline-offset: 3px; border-radius: 4px; }
h2 { font-size: clamp(30px, 3.6vw, 48px); line-height: 1.06; letter-spacing: -0.03em; font-weight: 800; margin: 0 0 16px; max-width: 22ch; text-wrap: balance; }
h3 { font-size: 18px; letter-spacing: -0.01em; margin: 0 0 10px; }
.muted { color: var(--muted); }
section { padding-inline: var(--gutter); }

/* ---------- nav ---------- */
.nav { position: absolute; inset: 0 0 auto 0; z-index: 3; display: flex; align-items: center; justify-content: space-between; height: 64px; padding: env(safe-area-inset-top, 0px) var(--gutter) 0; }
.brand { display: inline-flex; gap: 10px; align-items: center; text-decoration: none; color: var(--on-ink); font-weight: 600; letter-spacing: -0.01em; }
.brand b { font-weight: 800; }
.mark { display: inline-flex; gap: 3px; height: 16px; align-items: stretch; }
.mark i { width: 4px; border-radius: 2px; background: var(--m1); }
.mark i:nth-child(2) { background: var(--m2); }
.mark i:nth-child(3) { background: var(--m3); }
.nav nav { display: flex; gap: 22px; font-size: 15px; }
.nav nav a { text-decoration: none; color: var(--text); opacity: 0.8; }
.nav nav a:hover { opacity: 1; text-decoration: underline; text-underline-offset: 4px; }

/* ---------- buttons ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 0 20px; border-radius: 999px; font: 600 16px/1 var(--sans); text-decoration: none; border: 1px solid transparent; cursor: pointer; white-space: nowrap; transition: transform 160ms var(--ease-out), background-color 160ms ease; }
.btn:active { transform: scale(0.97); }
.btn.light { background: var(--on-ink); color: var(--ink); }
.btn.light:hover { background: #ffffff; }
.btn.ghost-dark { color: var(--on-ink); border-color: var(--ink-line); }
.btn.ghost-dark:hover { border-color: var(--on-ink-muted); }
.btn.dark { background: var(--text); color: var(--canvas); }

/* ---------- hero: the seam ---------- */
.hero { position: relative; display: grid; grid-template-columns: 46fr 54fr; min-height: 100dvh; padding: 0; overflow: hidden; }
.side { display: flex; flex-direction: column; padding: 112px var(--gutter) 56px; }
.ps { background: var(--ink); color: var(--on-ink); align-items: flex-end; text-align: right; }
.fg { background: var(--canvas); }
.seam { position: absolute; top: 0; bottom: 0; left: 46%; width: 1px; background: linear-gradient(var(--m1), var(--m2) 50%, var(--m3)); opacity: 0.9; }
.h-line { margin: 0; font-weight: 800; letter-spacing: -0.04em; line-height: 1.0; font-size: clamp(40px, 5vw, 80px); max-width: 11.5ch; text-wrap: balance; }
.l1 { color: var(--on-ink); }
.l2 { margin-top: calc(clamp(40px, 5vw, 80px) * 1.0); color: var(--text); }
.folders { margin-top: 36px; display: grid; gap: 14px; justify-items: end; }
.folder { display: flex; align-items: center; gap: 12px; }
.folder span { font-size: 13px; color: var(--on-ink-muted); }
.folder .sw { display: flex; gap: 4px; }
.sq { width: 30px; height: 30px; border-radius: 4px; background: var(--c); box-shadow: inset 0 0 0 1px rgb(255 255 255 / 0.08); }
.lede { margin: auto 0 22px; padding-top: 36px; max-width: 34ch; color: var(--on-ink-muted); font-size: 18px; }
.ctas { display: flex; gap: 10px; flex-wrap: wrap; justify-content: flex-end; }

.collection { margin-top: 36px; max-width: 560px; background: var(--paper); border: 1px solid var(--line); border-radius: var(--r); }
.col-head { display: flex; justify-content: space-between; padding: 12px 16px; border-bottom: 1px solid var(--line); font-weight: 700; font-size: 15px; }
.col-head .muted { font-weight: 400; }
.col-note { margin: 0; padding: 0 16px 12px; font-size: 13px; line-height: 1.4; }
.vars { list-style: none; margin: 0; padding: 8px 8px 10px; display: grid; grid-template-columns: 1fr 1fr; column-gap: 8px; }
.var { display: grid; grid-template-columns: 18px 1fr auto; align-items: center; gap: 10px; padding: 5px 8px; border-radius: 6px; font-size: 14px; }
.var .chip { width: 18px; height: 18px; border-radius: 4px; background: var(--c); box-shadow: inset 0 0 0 1px rgb(0 0 0 / 0.08); }
.var .n { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.var .n b { font-weight: 400; color: var(--muted); }
.var code { color: var(--muted); font-size: 12px; }
.flyer { position: fixed; z-index: 5; border-radius: 4px; pointer-events: none; will-change: transform; }


/* ---------- key visual hero (Asset Studio FCH02) ---------- */
/* The image's painted seam sits at 46 % of its width; object-position 46 % keeps it on the page seam at any crop. */
.kv { position: relative; display: grid; grid-template-columns: 46fr 54fr; min-height: 100dvh; padding: 0; overflow: hidden; background: var(--ink); }
.kv-art { position: absolute; inset: 0; z-index: 0; }
.kv-art img { width: 100%; height: 100%; object-fit: cover; object-position: 46% 55%; display: block; }
.kv-side { position: relative; z-index: 1; display: flex; flex-direction: column; padding: 104px var(--gutter) 40px; }
.kv-ps { align-items: flex-end; text-align: right; color: var(--on-ink); }
/* Legibility: a soft ink scrim behind the copy only; the chips below stay untouched. */
.kv-ps::before { content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background: linear-gradient(180deg, rgb(21 20 28 / 0.92) 0%, rgb(21 20 28 / 0.86) 46%, rgb(21 20 28 / 0) 64%); }
.kv .h-line { font-size: clamp(40px, 4.6vw, 74px); max-width: 11ch; }
.kv .l2 { margin-top: calc(clamp(40px, 4.6vw, 74px) * 1.0); color: #1b1b22; }
.kv .lede { margin: 20px 0 22px; padding: 0; max-width: 32ch; color: var(--on-ink-muted); font-size: 17px; }
.kv .seam { display: none; }

/* proof section: the real sample data, under the hero */
.hero { min-height: 0; }
.hero .side { padding-block: clamp(64px, 8vw, 104px); }
.proof-h { margin: 0; font-size: clamp(24px, 2.4vw, 34px); line-height: 1.1; letter-spacing: -0.02em; font-weight: 800; max-width: 16ch; }
.ps .proof-h { color: var(--on-ink); }
.fg .proof-h { color: var(--text); }

/* ---------- demo ---------- */
.demo { display: grid; grid-template-columns: minmax(240px, 1fr) 360px minmax(260px, 1.1fr); gap: clamp(20px, 3vw, 44px); align-items: start; padding-block: clamp(72px, 9vw, 128px); }
.demo-intro p { max-width: 40ch; }
.notice { padding: 12px 14px; border: 1px solid var(--warn); border-radius: var(--r); color: var(--text); font-size: 15px; background: var(--paper); }
.hint { font-size: 14px; color: var(--muted); }
.panel-wrap { border-radius: 12px; overflow: hidden; border: 1px solid var(--line); background: var(--paper); box-shadow: 0 24px 60px -30px rgb(40 44 60 / 0.45); }
#panel { display: block; width: 360px; height: 640px; border: 0; background: var(--paper); }
.file { background: var(--paper); border: 1px solid var(--line); border-radius: var(--r); min-height: 640px; display: flex; flex-direction: column; }
.file-head { display: flex; justify-content: space-between; align-items: baseline; padding: 14px 16px; border-bottom: 1px solid var(--line); }
.file-head h3 { margin: 0; font-size: 16px; }
.file-head .muted { font-size: 13px; }
.file-body { flex: 1; padding: 10px 8px; overflow: auto; max-height: 470px; }
.file-body .empty { padding: 8px; color: var(--muted); font-size: 15px; }
.file-body .grp { padding: 10px 8px 4px; font-size: 13px; color: var(--muted); }
.file-body .var { transition: background-color 600ms ease; }
.file-body .var.hit { background: color-mix(in oklab, var(--changed) 16%, transparent); transition: none; }
.file-layers { border-top: 1px solid var(--line); padding: 12px 16px 16px; font-size: 13px; }
.file-layers ul { list-style: none; margin: 8px 0 0; padding: 0; display: grid; gap: 6px; }
.file-layers li { display: flex; gap: 8px; align-items: center; font-size: 14px; }
.file-layers li i { width: 14px; height: 14px; border-radius: 3px; background: var(--c); box-shadow: inset 0 0 0 1px rgb(0 0 0 / 0.1); }
.file-layers li small { color: var(--muted); font-family: var(--mono); }

/* ---------- preview ---------- */
.preview { padding-block: clamp(64px, 8vw, 112px); background: var(--paper); border-block: 1px solid var(--line); }
.sub { max-width: 60ch; color: var(--muted); margin: 0 0 36px; font-size: 18px; }
.diff { max-width: 1040px; display: grid; gap: 2px; }
.diff-row { display: grid; grid-template-columns: 120px minmax(160px, 1.2fr) minmax(120px, 1fr) minmax(150px, 1fr); align-items: center; gap: 18px; padding: 18px 20px; background: var(--canvas); font-size: clamp(16px, 1.6vw, 20px); }
.diff-row:first-child { border-radius: var(--r) var(--r) 0 0; }
.diff-row .tag { font-weight: 700; font-size: 15px; }
.changed .tag { color: var(--changed); }
.same .tag { color: var(--same); }
.new .tag { color: var(--new); }
.swap { display: inline-flex; align-items: center; gap: 10px; }
.swap i, .chips i { display: inline-block; width: 34px; height: 34px; border-radius: 6px; background: var(--c); box-shadow: inset 0 0 0 1px rgb(0 0 0 / 0.1); }
.swap .arrow { font-size: 13px; color: var(--muted); }
.chips { display: inline-flex; flex-wrap: wrap; gap: 3px; }
.chips i { width: 14px; height: 14px; border-radius: 3px; }
.diff-cta { display: flex; gap: 20px; align-items: center; flex-wrap: wrap; padding: 20px; background: var(--canvas); border-radius: 0 0 var(--r) var(--r); }
.diff-cta .muted { max-width: 52ch; font-size: 15px; }
.fake-btn { display: inline-flex; align-items: center; min-height: 40px; padding: 0 18px; border-radius: 6px; background: #0d99ff; color: #fff; font-weight: 600; font-size: 15px; }

/* ---------- undo ---------- */
.undo { padding-block: clamp(72px, 9vw, 128px); }
.timeline { list-style: none; margin: 40px 0 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(16px, 2.4vw, 32px); counter-reset: step; }
.timeline li { counter-increment: step; position: relative; padding-top: 18px; border-top: 2px solid var(--text); }
.timeline li::before { content: counter(step); position: absolute; top: -15px; left: 0; width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center; background: var(--text); color: var(--canvas); font-weight: 700; font-size: 14px; }
.when { display: block; font-weight: 700; font-size: 20px; margin: 6px 0 14px; }
.strip { display: grid; grid-template-columns: repeat(10, 1fr); gap: 3px; margin-bottom: 14px; }
.strip i { aspect-ratio: 1; border-radius: 3px; background: var(--c); transition: opacity 400ms ease; }
.strip i.gone { background: transparent; box-shadow: inset 0 0 0 1px var(--line); }
.strip i.kept { outline: 2px solid var(--changed); outline-offset: 1px; }
.timeline p { margin: 0; color: var(--muted); max-width: 36ch; }
.limit { margin: 44px 0 0; max-width: 72ch; padding: 16px 18px; border-radius: var(--r); background: var(--paper); border: 1px solid var(--line); }

/* ---------- round trip ---------- */
.trip { display: grid; grid-template-columns: 1fr 1.1fr; gap: 48px; align-items: center; padding-block: clamp(64px, 8vw, 112px); background: var(--ink); color: var(--on-ink); }
.trip p { color: var(--on-ink-muted); max-width: 44ch; }
.loop { display: flex; align-items: center; gap: 0; }
.node { padding: 14px 18px; border-radius: var(--r); font-weight: 700; white-space: nowrap; }
.ps-node { background: var(--ink-2); border: 1px solid var(--ink-line); font-family: var(--mono); font-weight: 400; }
/* The Figma side keeps its light canvas here in both themes: it is the subject of the diagram. */
.fg-node { background: #e8ebef; color: #1b1b22; }
.path { flex: 1; height: 2px; min-width: 24px; background: linear-gradient(90deg, var(--m1), var(--m3)); position: relative; overflow: hidden; }
.path.back { background: linear-gradient(90deg, var(--m3), var(--m2)); }

/* ---------- formats ---------- */
.formats { padding-block: clamp(72px, 9vw, 120px); }
.fmt-grid { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: clamp(20px, 3vw, 48px); margin-top: 28px; }
.fmt-grid ul { margin: 0; padding-left: 18px; display: grid; gap: 8px; color: var(--muted); }
.fmt-grid li::marker { color: var(--line); }
.fmt-grid > div:last-child h3 { color: var(--muted); }

/* ---------- status ---------- */
.status { padding-block: clamp(64px, 8vw, 112px); background: var(--paper); border-top: 1px solid var(--line); }
.ledger { display: grid; grid-template-columns: 1.3fr 1.3fr 0.9fr; gap: 2px; margin-top: 28px; border-radius: var(--r); overflow: hidden; }
.ledger .col { padding: 22px; background: var(--canvas); }
.ledger h3 { font-size: 17px; }
.ok h3 { color: var(--new); }
.wait h3 { color: var(--warn); }
.no h3 { color: var(--muted); }
.how { margin: -4px 0 14px; font-size: 14px; color: var(--muted); }
.ledger ul { margin: 0; padding-left: 18px; display: grid; gap: 8px; font-size: 16px; }

/* ---------- footer ---------- */
.foot { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; padding: 28px var(--gutter) calc(28px + env(safe-area-inset-bottom, 0px)); font-size: 15px; border-top: 1px solid var(--line); }
.foot > div { display: flex; gap: 10px; align-items: center; }

/* ---------- mobile: the seam turns horizontal ---------- */
@media (max-width: 1080px) {
  .demo { grid-template-columns: 1fr 360px; }
  .file { grid-column: 1 / -1; min-height: 0; }
}
@media (max-width: 860px) {
  .nav nav { display: none; }
  .kv { display: flex; flex-direction: column; min-height: 0; }
  .kv-art { position: static; order: 2; aspect-ratio: 2 / 3; }
  .kv-art img { object-position: 50% 50%; }
  .kv-ps::before { display: none; }
  .kv-ps { order: 1; align-items: flex-start; text-align: left; padding: 88px var(--gutter) 32px; background: var(--ink); }
  .kv-fg { order: 3; padding: 28px var(--gutter) 40px; background: var(--canvas); }
  .kv .l2 { margin-top: 0; color: var(--text); }
  .hero { grid-template-columns: 1fr; min-height: 0; }
  .side { padding: 88px var(--gutter) 40px; }
  .ps { align-items: flex-start; text-align: left; }
  .fg { padding-top: 40px; }
  .seam { top: auto; left: 0; right: 0; width: auto; height: 1px; background: linear-gradient(90deg, var(--m1), var(--m2), var(--m3)); }
  .folders { justify-items: start; }
  .l2 { margin-top: 0; }
  .ctas { justify-content: flex-start; }
  .lede { margin-top: 0; }
  .vars { grid-template-columns: 1fr 1fr; }
  .vars .var { grid-template-columns: 16px 1fr; gap: 8px; padding: 4px 6px; font-size: 13px; }
  .vars .var code { display: none; }
  .demo { grid-template-columns: 1fr; }
  .panel-wrap { justify-self: center; width: 100%; max-width: 362px; }
  #panel { width: 100%; }
  .diff-row { grid-template-columns: 1fr auto; row-gap: 6px; }
  .diff-row code.muted { grid-column: 1 / -1; }
  .timeline, .fmt-grid, .ledger, .trip { grid-template-columns: 1fr; }
  .timeline { gap: 40px; }
  .loop { flex-wrap: nowrap; }
  .node { padding: 10px 12px; font-size: 14px; }
}
@media (max-width: 420px) {
  .h-line { font-size: 40px; }
  .sq { width: 24px; height: 24px; }
}

/* ---- enrichment R01 (O-7): real panel inserts, chip cutouts, section plates, icons ---- */
.ico { display: inline-block; width: 1.05em; height: 1.05em; flex: none; vertical-align: -0.14em; margin-right: 9px; background: currentColor; -webkit-mask: var(--i) center / contain no-repeat; mask: var(--i) center / contain no-repeat; }
.kv-panel { position: absolute; z-index: 2; right: clamp(20px, 4vw, 64px); bottom: clamp(24px, 4vw, 56px); width: clamp(190px, 16vw, 260px); margin: 0; border-radius: 14px; overflow: hidden; box-shadow: 0 40px 80px -30px rgb(10 10 20 / 0.7), 0 0 0 1px rgb(255 255 255 / 0.08); }
@media (prefers-reduced-motion: no-preference) { .kv-panel { opacity: 0; transform: translateY(26px); animation: kvin 900ms var(--ease-out) 700ms forwards; } @keyframes kvin { to { opacity: 1; transform: none; } } }
.hero .side.ps { position: relative; }
.chips-float { position: absolute; left: -6%; bottom: -8%; width: min(46%, 420px); pointer-events: none; filter: drop-shadow(0 30px 30px rgb(0 0 0 / 0.45)); opacity: .95; }
.panel-wrap { position: relative; overflow: visible; }
.chip-peek { position: absolute; z-index: -1; right: -26%; top: -10%; width: 46%; pointer-events: none; filter: drop-shadow(0 24px 26px rgb(20 20 40 / 0.35)); transform: rotate(-8deg); }
.preview, .undo { position: relative; }
.plate { margin: 28px 0 0; border-radius: 14px; aspect-ratio: 16 / 6; background: var(--canvas) var(--bg, none) center / cover no-repeat; }
.plate:not(.has-bg) { display: none; }
.panel-insert { float: right; width: clamp(180px, 15vw, 230px); margin: -140px clamp(12px, 4vw, 48px) 0 24px; position: relative; z-index: 2; border-radius: 12px; overflow: hidden; box-shadow: 0 30px 60px -26px rgb(20 20 40 / 0.55), 0 0 0 1px var(--line); }
.undo .panel-insert { margin-top: -160px; }
.trip { position: relative; isolation: isolate; }
.trip.has-bg::before { content: ""; position: absolute; inset: 0; z-index: -2; background: var(--bg) center / cover no-repeat; }
.trip.has-bg::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, rgb(21 20 28 / 0.94) 0%, rgb(21 20 28 / 0.78) 40%, rgb(21 20 28 / 0) 70%); }
.ps-card { display: grid; grid-template-columns: 150px 1fr; gap: 14px; align-items: center; margin-top: 22px; padding: 10px; max-width: 460px; border-radius: 12px; background: var(--paper); border: 1px solid var(--line); text-decoration: none; color: var(--text); box-shadow: 0 20px 40px -28px rgb(20 20 40 / 0.5); }
.ps-card img { border-radius: 8px; }
.ps-card b { display: block; font-size: 15px; margin-bottom: 4px; }
.ps-card span span { font-size: 14px; color: var(--muted); }
.fmt-grid h3 { display: flex; align-items: center; }
.status { position: relative; isolation: isolate; }
.status.has-bg::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 220px; z-index: -1; background: var(--bg) center 40% / cover no-repeat; -webkit-mask: linear-gradient(#000, transparent); mask: linear-gradient(#000, transparent); opacity: .5; }
@media (max-width: 860px) {
  .kv-panel { width: 150px; right: 16px; bottom: 16px; }
  .hero .side.ps .chips-float { position: static !important; width: 58%; margin: 0 0 22px auto; display: block; left: auto; bottom: auto; }
  .chip-peek { display: none; }
  .panel-insert, .undo .panel-insert { float: none; margin: 18px auto 0; width: 220px; }
  .plate { aspect-ratio: 16 / 9; }
  .ps-card { grid-template-columns: 110px 1fr; }
}
.kv-panel img, .panel-insert img, .ps-card img { width: 100%; height: auto; display: block; }