/* ddvdvt extensions — editorial "field catalogue". System fonts only, no external requests. */

:root {
  --paper: #f3eee3;
  --paper-2: #ebe4d3;
  --card: #fbf8f0;
  --ink: #1b1812;
  --ink-2: #5b5448;
  --rule: rgba(27, 24, 18, .22);
  --rule-soft: rgba(27, 24, 18, .11);
  --accent: #d63f1c;
  --accent-ink: #fff;
  --cl: .56;
  --cc: .17;
  --grain: .07;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Charter, "Noto Serif", "DejaVu Serif", Georgia, serif;
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", "Helvetica Neue", "Noto Sans", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --maxw: 1180px;
  --gut: clamp(16px, 4vw, 40px);
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #15130f;
    --paper-2: #1d1a14;
    --card: #1c1913;
    --ink: #f2ecdd;
    --ink-2: #aaa290;
    --rule: rgba(242, 236, 221, .26);
    --rule-soft: rgba(242, 236, 221, .12);
    --accent: #ff6a45;
    --accent-ink: #1b0d07;
    --cl: .76;
    --cc: .14;
    --grain: .1;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
}
body::before { /* paper grain */
  content: "";
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  opacity: var(--grain);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .9 0'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");
}
main, .top, .foot { position: relative; z-index: 1; }
main { flex: 1; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration-color: var(--accent); text-underline-offset: .2em; text-decoration-thickness: 1.5px; }
a:hover { color: var(--accent); }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 2px; }
::selection { background: var(--accent); color: var(--accent-ink); }
.muted { color: var(--ink-2); }
.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gut); }
.skip { position: absolute; left: -999px; top: 8px; background: var(--ink); color: var(--paper); padding: 8px 14px; z-index: 50; }
.skip:focus { left: 8px; }

/* language switching: both languages are in the HTML, CSS shows one */
html:not(.is-ru) .ru { display: none !important; }
html.is-ru .en { display: none !important; }
.lang { display: none; }
html.js .lang { display: inline-flex; }

/* ---------- header ---------- */
.top { border-bottom: 1.5px solid var(--ink); background: color-mix(in srgb, var(--paper) 88%, transparent); }
.top-in { display: flex; align-items: center; gap: 20px; padding-block: 14px; flex-wrap: wrap; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); margin-right: auto; }
.brand:hover { color: var(--ink); }
.logo-mark { color: var(--ink); flex: none; }
.brand-name { font-family: var(--serif); font-weight: 700; font-size: 1.35rem; letter-spacing: -.01em; }
.brand-sub { font-family: var(--mono); font-weight: 400; font-size: .78rem; color: var(--ink-2); margin-left: .45em; letter-spacing: .02em; }
.nav { display: flex; gap: 22px; font-family: var(--mono); font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; }
.nav a { text-decoration: none; padding: 4px 0; border-bottom: 2px solid transparent; }
.nav a:hover, .nav a[aria-current] { border-bottom-color: var(--accent); color: var(--ink); }
.lang { border: 1.5px solid var(--ink); border-radius: 999px; overflow: hidden; }
.lang-btn { font: 600 .75rem/1 var(--mono); letter-spacing: .08em; background: transparent; color: var(--ink); border: 0; padding: 8px 12px; cursor: pointer; }
.lang-btn[aria-pressed="true"] { background: var(--ink); color: var(--paper); }
.lang-btn:not([aria-pressed="true"]):hover { color: var(--accent); }

/* ---------- type ---------- */
.eyebrow { font-family: var(--mono); font-size: .78rem; text-transform: uppercase; letter-spacing: .14em; color: var(--accent); margin: 0 0 14px; font-weight: 600; }
.display { font-family: var(--serif); font-weight: 600; font-size: clamp(2.5rem, 7.2vw, 5.4rem); line-height: .98; letter-spacing: -.03em; margin: 0 0 24px; text-wrap: balance; }
.display em { font-style: italic; font-weight: 500; color: var(--accent); }
.display-sm { font-size: clamp(2rem, 5vw, 3.6rem); }
.h2 { font-family: var(--serif); font-weight: 600; font-size: clamp(1.9rem, 4vw, 2.8rem); line-height: 1.05; letter-spacing: -.02em; margin: 0 0 8px; }
.h3 { font-family: var(--serif); font-weight: 600; font-size: 1.5rem; margin: 0 0 12px; letter-spacing: -.01em; }
.lede { font-size: clamp(1.1rem, 2vw, 1.3rem); max-width: 58ch; color: var(--ink-2); margin: 0 0 28px; text-wrap: pretty; }
.fine { font-size: .84rem; color: var(--ink-2); max-width: 70ch; margin: 14px 0 0; border-left: 2px solid var(--rule); padding-left: 10px; }
.arrow { display: inline-block; margin-left: .35em; transition: transform .2s; }
a:hover > .arrow { transform: translateX(4px); }

.btn { display: inline-flex; align-items: center; font-family: var(--mono); font-weight: 600; font-size: .86rem; text-transform: uppercase; letter-spacing: .08em; text-decoration: none;
  background: var(--accent); color: var(--accent-ink); padding: 14px 20px; border: 1.5px solid var(--ink); border-radius: 3px; box-shadow: 4px 4px 0 var(--ink); transition: transform .15s, box-shadow .15s; }
.btn:hover { color: var(--accent-ink); transform: translate(-2px, -2px); box-shadow: 6px 6px 0 var(--ink); }
.btn:active { transform: translate(3px, 3px); box-shadow: 1px 1px 0 var(--ink); }
.btn-ghost { background: transparent; color: var(--ink); }
.btn-ghost:hover { color: var(--ink); }
.hero-cta { display: flex; flex-wrap: wrap; gap: 18px; margin: 0; }

/* ---------- hero ---------- */
.hero { padding-block: clamp(36px, 7vw, 88px) clamp(40px, 6vw, 72px); border-bottom: 1.5px solid var(--ink); background:
  linear-gradient(var(--rule-soft) 1px, transparent 1px) 0 0 / 100% 44px; }
.hero-in { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(260px, .85fr); gap: clamp(28px, 5vw, 72px); align-items: center; }
.ledger { background: var(--card); border: 1.5px solid var(--ink); padding: 22px 24px 18px; box-shadow: 8px 8px 0 var(--ink); transform: rotate(1.2deg); }
.ledger-h { font-family: var(--mono); font-size: .74rem; text-transform: uppercase; letter-spacing: .14em; margin: 0 0 14px; padding-bottom: 12px; border-bottom: 1.5px dashed var(--rule); }
.ledger dl { margin: 0; }
.ledger dl > div { display: flex; align-items: baseline; gap: 10px; padding: 7px 0; }
.ledger dt { font-family: var(--serif); font-size: 1.2rem; }
.ledger dl > div::after { content: ""; order: 1; flex: 1; border-bottom: 2px dotted var(--rule); transform: translateY(-4px); }
.ledger dd { order: 2; margin: 0; font-family: var(--mono); font-weight: 700; font-size: 1.9rem; line-height: 1; color: var(--accent); }
.ledger-f { font-family: var(--mono); font-size: .7rem; letter-spacing: .06em; color: var(--ink-2); margin: 14px 0 0; text-align: right; }

/* ---------- catalogue ---------- */
.catalogue { padding-block: clamp(48px, 7vw, 96px); }
.sec-head { margin-bottom: 40px; }
.sec-note { margin: 6px 0 0; max-width: 60ch; }
.grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 30px 26px; align-items: start; }
.card { scroll-margin-top: 24px; background: var(--card); border: 1.5px solid var(--ink); padding: 20px 20px 18px; display: flex; flex-direction: column; gap: 14px; position: relative;
  transition: transform .18s, box-shadow .18s; animation: rise .6s both; }
.card::before { content: ""; position: absolute; left: -1.5px; right: -1.5px; top: -1.5px; height: 6px; background: var(--c); }
.card:hover, .card:target { transform: translate(-3px, -3px); box-shadow: 7px 7px 0 var(--c); }
.card:target { outline: 2px solid var(--c); outline-offset: 4px; }
@media (min-width: 981px) {
  .grid > .card:nth-child(3n + 2) { margin-top: 34px; }
}
.card-top { display: flex; justify-content: space-between; align-items: center; gap: 10px; font-family: var(--mono); font-size: .72rem; text-transform: uppercase; letter-spacing: .1em; color: var(--ink-2); margin-top: 4px; }
.tag { display: inline-flex; align-items: center; gap: 7px; }
.dot { width: 9px; height: 9px; background: var(--c); border-radius: 50%; flex: none; }
.card-head { display: flex; align-items: center; gap: 14px; }
.ico { width: 56px; height: 56px; border-radius: 13px; flex: none; background: color-mix(in srgb, var(--c) 14%, var(--paper)); padding: 6px; border: 1.5px solid var(--rule); }
.card-name { font-family: var(--serif); font-weight: 600; font-size: 1.4rem; line-height: 1.12; letter-spacing: -.015em; margin: 0; text-wrap: balance; }
.pitch { margin: 0; color: var(--ink-2); font-size: .98rem; line-height: 1.55; flex: 1; }
.card .fine { margin: 0; font-size: .78rem; }
.card-foot { border-top: 1.5px dashed var(--rule); padding-top: 14px; display: flex; flex-direction: column; gap: 12px; }
.stores { display: flex; flex-wrap: wrap; gap: 8px; }
.store { display: inline-flex; flex-direction: column; gap: 1px; padding: 7px 11px; border: 1.5px dashed var(--rule); border-radius: 6px; font-family: var(--mono); font-size: .66rem; line-height: 1.25; text-decoration: none; color: var(--ink-2); }
.store b { font-weight: 700; color: var(--ink); letter-spacing: .02em; font-size: .72rem; }
.store i { font-style: normal; text-transform: uppercase; letter-spacing: .1em; }
.store.is-soon { opacity: .85; cursor: default; }
a.store { border: 1.5px solid var(--ink); background: var(--ink); color: var(--paper); }
a.store b { color: var(--paper); }
a.store:hover { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
a.store:hover b { color: var(--accent-ink); }
.plink { font-family: var(--mono); font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; font-weight: 600; text-decoration: none; border-bottom: 2px solid var(--c); align-self: flex-start; padding-bottom: 1px; }
.plink:hover { color: var(--c); }

@keyframes rise { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }
.grid > .card:nth-child(1) { animation-delay: .02s; } .grid > .card:nth-child(2) { animation-delay: .07s; }
.grid > .card:nth-child(3) { animation-delay: .12s; } .grid > .card:nth-child(4) { animation-delay: .17s; }
.grid > .card:nth-child(5) { animation-delay: .22s; } .grid > .card:nth-child(6) { animation-delay: .27s; }
.grid > .card:nth-child(n + 7) { animation-delay: .3s; }
@media (prefers-reduced-motion: reduce) { .card { animation: none; } * { transition: none !important; scroll-behavior: auto !important; } }

/* per-extension accent: hue only, lightness/chroma adapt to the colour scheme */
[class*="x-"] { --c: oklch(var(--cl) var(--cc) var(--h, 30)); }
.x-youtube-clean { --h: 28; } .x-youtube-watch-later { --h: 55; } .x-dark-mode { --h: 275; }
.x-save-image-as { --h: 150; } .x-read-later { --h: 88; } .x-ai-chat-organizer { --h: 305; }
.x-tab-vault { --h: 205; } .x-marketplace-buyer { --h: 350; } .x-gost-cite { --h: 125; }
.x-clean-search { --h: 245; } .x-bilingual-translate { --h: 178; } .x-ai-context { --h: 328; }

/* ---------- promise / projects ---------- */
.promise { padding-block: clamp(44px, 6vw, 80px); background: var(--paper-2); border-block: 1.5px solid var(--ink); }
.promise-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; margin-top: 30px; }
.promise-grid > div { border-top: 3px solid var(--ink); padding-top: 14px; }
.promise-grid h3 { font-family: var(--serif); font-size: 1.35rem; margin: 0 0 8px; }
.promise-grid p { margin: 0; color: var(--ink-2); }
.projects { padding-block: clamp(44px, 6vw, 84px); }
.proj-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; margin-top: 26px; }
.proj { display: flex; flex-direction: column; gap: 6px; padding: 22px 24px; border: 1.5px dashed var(--ink); text-decoration: none; background: transparent; transition: background .15s, border-style .15s; }
.proj:hover { background: var(--card); border-style: solid; color: var(--ink); }
.proj-host { font-family: var(--mono); font-size: .76rem; letter-spacing: .08em; color: var(--accent); }
.proj-name { font-family: var(--serif); font-size: 1.9rem; font-weight: 600; letter-spacing: -.02em; line-height: 1.1; }
.proj-desc { color: var(--ink-2); }

/* ---------- footer ---------- */
.foot { border-top: 1.5px solid var(--ink); background: var(--paper-2); margin-top: auto; }
.foot-in { display: grid; grid-template-columns: 1.3fr 1fr 1.5fr; gap: 36px; padding-block: 40px; }
.foot-brand p { margin: 12px 0 0; font-size: .92rem; max-width: 34ch; }
.foot-h { font-family: var(--mono); font-size: .74rem; text-transform: uppercase; letter-spacing: .14em; margin: 0 0 12px; font-weight: 600; }
.foot-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; font-size: .95rem; }

/* ---------- inner pages ---------- */
.page-hero { padding-block: clamp(36px, 6vw, 72px) clamp(24px, 4vw, 40px); border-bottom: 1.5px solid var(--ink); background: linear-gradient(var(--rule-soft) 1px, transparent 1px) 0 0 / 100% 44px; }
.page-hero-in { display: flex; gap: clamp(18px, 3vw, 36px); align-items: center; }
.ico-lg { width: clamp(84px, 14vw, 132px); height: auto; aspect-ratio: 1; border-radius: 26px; padding: 12px; background: color-mix(in srgb, var(--c) 16%, var(--card)); border: 1.5px solid var(--ink); box-shadow: 6px 6px 0 var(--c); flex: none; }
.ico-faded { filter: grayscale(.9); opacity: .75; box-shadow: 6px 6px 0 var(--rule); }
.two { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: clamp(26px, 5vw, 64px); padding-block: clamp(32px, 5vw, 60px); align-items: start; }
.two-bye { grid-template-columns: 1fr 1fr; }
.steps { list-style: none; counter-reset: s; margin: 0; padding: 0; display: grid; gap: 4px; }
.steps li { counter-increment: s; position: relative; padding: 14px 0 14px 64px; border-bottom: 1.5px dashed var(--rule); }
.steps li::before { content: counter(s); position: absolute; left: 0; top: 6px; font-family: var(--serif); font-style: italic; font-weight: 600; font-size: 2.6rem; line-height: 1; color: var(--c); }
.shot { margin: 0; border: 1.5px solid var(--ink); background: var(--card); padding: 10px; box-shadow: 8px 8px 0 var(--c); transform: rotate(-.8deg); }
.shot img { width: 100%; border: 1px solid var(--rule); }
.shot figcaption { font-family: var(--mono); font-size: .72rem; text-transform: uppercase; letter-spacing: .1em; padding: 10px 2px 2px; }
.note { border: 1.5px solid var(--ink); background: var(--card); padding: 18px 22px; margin-bottom: 36px; border-left: 8px solid var(--c); }
.note p { margin: 0; }
.panel { border: 1.5px solid var(--ink); background: var(--card); padding: 24px; }
.panel .h3 { margin-bottom: 8px; }
.panel .stores { margin-top: 16px; }
.strip { padding-block: 10px 36px; }
.chips { list-style: none; margin: 14px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 10px; }
.chip { display: inline-flex; align-items: center; gap: 9px; padding: 6px 14px 6px 7px; border: 1.5px solid var(--rule); border-radius: 999px; text-decoration: none; font-size: .9rem; background: var(--card); }
.chip img { width: 28px; height: 28px; border-radius: 7px; }
.chip:hover { border-color: var(--c); color: var(--ink); }
.nf { text-align: left; }

/* privacy documents */
.doc-wrap { padding-block: clamp(28px, 5vw, 56px); max-width: 860px; }
.crumbs { font-family: var(--mono); font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; margin-bottom: 26px; color: var(--ink-2); }
.doc-title { display: flex; align-items: center; gap: 14px; margin-bottom: 4px; }
.doc-title .eyebrow { margin: 0; }
.doc h1 { font-family: var(--serif); font-size: clamp(2rem, 5vw, 3.2rem); line-height: 1.05; letter-spacing: -.025em; margin: 6px 0 12px; font-weight: 600; text-wrap: balance; }
.doc h2 { font-family: var(--serif); font-size: 1.6rem; letter-spacing: -.015em; margin: 2.2em 0 .5em; padding-top: .8em; border-top: 1.5px solid var(--rule); }
.doc h3 { font-family: var(--serif); font-size: 1.25rem; margin: 1.6em 0 .4em; }
.doc p, .doc li { max-width: 70ch; }
.doc ul, .doc ol { padding-left: 1.3em; display: grid; gap: .5em; }
.doc ul ul, .doc ol ul { margin-top: .5em; }
.doc li::marker { color: var(--accent); }
.doc code { font-family: var(--mono); font-size: .86em; background: var(--paper-2); padding: .12em .4em; border-radius: 4px; word-break: break-word; }
.doc hr { border: 0; border-top: 1.5px dashed var(--rule); margin: 2.4em 0; }
.doc .meta { color: var(--ink-2); font-family: var(--mono); font-size: .85rem; }
.lang-note { font-family: var(--mono); font-size: .76rem; letter-spacing: .04em; color: var(--ink-2); border: 1.5px dashed var(--rule); padding: 8px 12px; display: inline-block; margin: 0 0 8px; }
.table-wrap { overflow-x: auto; margin: 1.2em 0; border: 1.5px solid var(--ink); background: var(--card); }
.doc table { border-collapse: collapse; width: 100%; min-width: 560px; font-size: .94rem; }
.doc th, .doc td { text-align: left; vertical-align: top; padding: 10px 14px; border-bottom: 1px solid var(--rule); }
.doc th { font-family: var(--mono); font-size: .74rem; text-transform: uppercase; letter-spacing: .08em; background: var(--paper-2); }
.doc-links { margin-top: 3em; font-family: var(--mono); font-size: .82rem; text-transform: uppercase; letter-spacing: .06em; }
.plist-ul { list-style: none; margin: 0; padding: 0 0 56px; border-top: 1.5px solid var(--ink); }
.plist { display: grid; grid-template-columns: 56px 1fr auto auto; gap: 18px; align-items: center; padding: 14px 6px; border-bottom: 1.5px solid var(--rule); text-decoration: none; }
.plist:hover { background: var(--card); color: var(--ink); }
.plist:hover .arrow { color: var(--c); }
.plist-name { font-family: var(--serif); font-size: 1.35rem; font-weight: 600; letter-spacing: -.01em; }
.plist-date { font-family: var(--mono); font-size: .76rem; }

/* ---------- responsive ---------- */
@media (max-width: 980px) {
  .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero-in { grid-template-columns: 1fr; }
  .ledger { max-width: 420px; }
  .promise-grid { grid-template-columns: 1fr; gap: 22px; }
  .foot-in { grid-template-columns: 1fr 1fr; }
  .foot-projects { grid-column: 1 / -1; }
  .two, .two-bye { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  body { font-size: 1rem; }
  .grid { grid-template-columns: 1fr; gap: 24px; }
  .proj-grid { grid-template-columns: 1fr; }
  .top-in { gap: 12px 14px; }
  .nav { order: 3; width: 100%; gap: 18px; font-size: .74rem; }
  .brand-sub { display: none; }
  .foot-in { grid-template-columns: 1fr; gap: 28px; }
  .page-hero-in { flex-direction: column; align-items: flex-start; }
  .plist { grid-template-columns: 48px 1fr auto; }
  .plist-date { display: none; }
  .ledger { transform: none; box-shadow: 6px 6px 0 var(--ink); }
  .steps li { padding-left: 54px; }
}
@media print { body::before, .top, .foot, .lang { display: none !important; } body { background: #fff; color: #000; } }