/* ==========================================================================
   Diffoniq prototype — shared design system
   Green = brand AND diff semantics; mono display type; light/dark via
   prefers-color-scheme. Un-hashed file → cache exemption in ./.htaccess.
   ========================================================================== */

:root {
  --paper: #f6f9f7;
  --card: #ffffff;
  --ink: #17231d;
  --ink-soft: #4c5c53;
  --brand: #0f7b4b;
  --brand-deep: #0a5c38;
  --added-bg: #daf2e4;
  --added-ink: #0b5e3a;
  --removed: #b3383e;
  --removed-bg: #fbe3e3;
  --changed-bg: #fcf3d3;
  --changed-ink: #7a5a10;
  --rule: #d9e2dc;
  --chrome: #eef3f0;
  --mono: "Cascadia Code", Consolas, "Courier New", monospace;
  --body: "Segoe UI", system-ui, Arial, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #0f1513;
    --card: #161d1a;
    --ink: #e6ede9;
    --ink-soft: #9db0a6;
    --brand: #3dbd83;
    --brand-deep: #2f9c6b;
    --added-bg: #123527;
    --added-ink: #7fd8ac;
    --removed: #e0737a;
    --removed-bg: #3a1d1f;
    --changed-bg: #37301480;
    --changed-ink: #dcb45f;
    --rule: #263029;
    --chrome: #1b2420;
  }

  /* Gefuellte Buttons tragen hier dunklen Text, nicht weissen. Gemessen 06.09.2026
     (Befund Chris): weiss auf --brand #3dbd83 ergibt 2,38:1 und faellt damit unter jede
     WCAG-Schwelle; im :hover-Zustand sind es 3,45:1 -- deshalb war der Text unter dem
     Cursor lesbar und daneben nicht. Dunkler Text auf demselben Gruen ergibt 7,74:1
     (normal) und 5,36:1 (hover). Im Light Mode bleibt weiss richtig (5,31:1 / 8,07:1),
     deshalb steht die Regel INNERHALB dieses Media-Blocks und nicht in .btn selbst. */
  .btn { color: var(--paper); }
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}
body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.55;
}
a { color: var(--brand-deep); }
:focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; }

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 22px; }

/* ---------- Nav ---------- */
.nav { display: flex; align-items: center; gap: 26px; padding: 18px 0; }
.wordmark {
  font-family: var(--mono); font-size: 1.25rem; font-weight: 700;
  text-decoration: none; color: var(--ink); letter-spacing: -0.02em;
}
.wordmark b { color: var(--brand); font-weight: 700; }
.wordmark .mark { vertical-align: text-bottom; margin-right: 9px; }
.wordmark .caret {
  display: inline-block; width: 0.55em; height: 1.05em;
  background: var(--brand); vertical-align: text-bottom; margin-left: 2px;
  animation: blink 1.2s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }
.nav-links { display: flex; gap: 22px; margin-left: auto; align-items: center; flex-wrap: wrap; }
/* :not(.btn) -- sonst schlaegt ".nav-links a" (0,1,1) die Textfarbe von ".btn" (0,1,0):
   grauer Text auf gruenem Button, lesbar nur im :hover (Befund Chris, 07.10.2026). */
.nav-links a { text-decoration: none; font-size: 0.95rem; }
.nav-links a:not(.btn) { color: var(--ink-soft); }
.nav-links a:not(.btn):hover { color: var(--ink); }
.nav-links a[aria-current="page"] { color: var(--ink); font-weight: 600; }
.btn {
  display: inline-block; background: var(--brand); color: #fff;
  padding: 10px 22px; border-radius: 6px; font-weight: 600;
  text-decoration: none; border: 1px solid transparent;
}
.btn:hover { background: var(--brand-deep); }
.btn.ghost { background: transparent; color: var(--brand-deep); border-color: var(--brand); }
.btn.ghost:hover { background: var(--added-bg); }
.nav .btn { padding: 8px 18px; font-size: 0.95rem; }

/* ---------- Heros ---------- */
.hero {
  display: grid; grid-template-columns: 5fr 7fr; gap: 44px;
  align-items: center; padding: 54px 0 30px;
}
.page-hero { padding: 44px 0 8px; max-width: 46em; }
.eyebrow {
  font-family: var(--mono); font-size: 0.8rem; color: var(--ink-soft);
  letter-spacing: 0.04em; margin-bottom: 14px;
}
.eyebrow .del { color: var(--removed); text-decoration: line-through; }
.eyebrow .ins { color: var(--added-ink); background: var(--added-bg); padding: 1px 5px; border-radius: 3px; }
h1 {
  font-family: var(--mono); font-weight: 700;
  font-size: clamp(1.7rem, 3.6vw, 2.5rem);
  line-height: 1.22; letter-spacing: -0.03em; margin-bottom: 16px;
}
h1 mark { background: var(--added-bg); color: var(--added-ink); padding: 0 6px; border-radius: 4px; }
.lede { color: var(--ink-soft); font-size: 1.06rem; max-width: 34em; margin-bottom: 24px; }
.page-hero .lede { margin-bottom: 8px; max-width: 40em; }
.cta-row { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; margin-bottom: 14px; }
.winget {
  font-family: var(--mono); font-size: 0.85rem;
  background: var(--chrome); border: 1px solid var(--rule);
  padding: 8px 12px; border-radius: 6px; color: var(--ink-soft);
  user-select: all; display: inline-block;
}
.winget b { color: var(--ink); font-weight: 600; }
.fineprint { font-size: 0.82rem; color: var(--ink-soft); }

/* ---------- Diff window (signature) ---------- */
.diffwin {
  background: var(--card); border: 1px solid var(--rule); border-radius: 10px;
  box-shadow: 0 18px 40px -18px rgba(23, 35, 29, 0.35);
  overflow: hidden; font-family: var(--mono); font-size: 0.82rem;
}
.titlebar {
  display: flex; align-items: center; gap: 10px;
  background: var(--chrome); border-bottom: 1px solid var(--rule);
  padding: 8px 12px; font-size: 0.78rem; color: var(--ink-soft);
}
.titlebar .glyphs { margin-left: auto; letter-spacing: 6px; font-size: 0.72rem; }
.paneheads, .diffrow { display: grid; grid-template-columns: 1fr 1fr; }
.paneheads span {
  padding: 6px 12px; font-size: 0.74rem; color: var(--ink-soft);
  border-bottom: 1px solid var(--rule); background: var(--card);
}
.paneheads span + span { border-left: 3px double var(--rule); }
.diffbody { padding: 4px 0 10px; }
.diffrow > div {
  padding: 3px 12px 3px 38px; position: relative; white-space: nowrap;
  overflow: hidden; text-overflow: ellipsis;
}
.diffrow > div + div { border-left: 3px double var(--rule); }
.diffrow .ln {
  position: absolute; left: 0; width: 30px; text-align: right;
  color: var(--ink-soft); opacity: 0.55; font-size: 0.72rem; padding-top: 2px;
}
.diffrow .k { color: var(--ink-soft); }
.diffrow .chg { background: var(--changed-bg); }
.diffrow .chg .val { color: var(--changed-ink); font-weight: 600; }
.diffrow .add { background: var(--added-bg); }
.diffrow .add .val { color: var(--added-ink); font-weight: 600; }
.diffrow .del-line .val { color: var(--removed); text-decoration: line-through; }
.diffrow .empty { background: repeating-linear-gradient(-45deg, transparent 0 6px, var(--chrome) 6px 8px); }
.sep { border-top: 1px dashed var(--rule); margin: 4px 0; }
.diffrow.reveal > div.chg, .diffrow.reveal > div.add { animation: sweep 0.7s ease-out backwards; }
.diffrow:nth-of-type(2) > div { animation-delay: 0.15s; }
.diffrow:nth-of-type(5) > div { animation-delay: 0.4s; }
.diffrow:nth-of-type(6) > div { animation-delay: 0.6s; }
.diffrow:nth-of-type(7) > div { animation-delay: 0.8s; }
.diffrow:nth-of-type(8) > div { animation-delay: 1.0s; }
@keyframes sweep { from { background-color: transparent; } }
.statusbar {
  display: flex; gap: 18px; padding: 6px 12px;
  border-top: 1px solid var(--rule); background: var(--chrome);
  font-size: 0.72rem; color: var(--ink-soft);
}
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 2px; margin-right: 5px; }
.dot.g { background: var(--brand); }
.dot.y { background: var(--changed-ink); }

/* ---------- Sections ---------- */
section { padding: 46px 0; }
section + section { border-top: 1px solid var(--rule); }
h2 { font-family: var(--mono); font-size: 1.35rem; letter-spacing: -0.02em; margin-bottom: 8px; }
h3 { font-family: var(--mono); font-size: 1.0rem; letter-spacing: -0.01em; margin-bottom: 6px; }
.sectionlede { color: var(--ink-soft); max-width: 44em; margin-bottom: 26px; }

/* Archive formats */
.formats { display: flex; flex-wrap: wrap; gap: 10px; }
.fmt {
  background: var(--card); border: 1px solid var(--rule); border-radius: 8px;
  padding: 10px 16px; font-family: var(--mono); font-size: 0.9rem;
}
.fmt small { display: block; color: var(--ink-soft); font-size: 0.72rem; margin-top: 2px; }
.fmt.new { border-color: var(--brand); background: var(--added-bg); }
.fmt.new small { color: var(--added-ink); }

/* Cards */
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.grid.two { grid-template-columns: 1fr 1fr; }
.card { background: var(--card); border: 1px solid var(--rule); border-radius: 10px; padding: 20px; }
.card p { font-size: 0.92rem; color: var(--ink-soft); }
.card.hi { border-color: var(--brand); }
.card .btn { margin-top: 14px; }
kbd {
  font-family: var(--mono); font-size: 0.78rem; background: var(--chrome);
  border: 1px solid var(--rule); border-bottom-width: 2px; border-radius: 4px;
  padding: 1px 6px;
}

/* Use cases */
.cases { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.case { border-left: 3px solid var(--brand); padding: 4px 0 4px 16px; }
.case b { display: block; margin-bottom: 4px; }
.case p { font-size: 0.92rem; color: var(--ink-soft); }

/* Heritage band */
.heritage {
  background: var(--card); border: 1px solid var(--rule); border-radius: 12px;
  padding: 26px 28px; display: flex; gap: 26px; align-items: center; flex-wrap: wrap;
}
.heritage .diffline { font-family: var(--mono); font-size: 1.05rem; white-space: nowrap; }
.heritage .diffline .del { color: var(--removed); text-decoration: line-through; }
.heritage .diffline .ins { color: var(--added-ink); background: var(--added-bg); padding: 1px 6px; border-radius: 4px; }
.heritage p { font-size: 0.95rem; color: var(--ink-soft); max-width: 40em; }

/* Pricing band (home) */
.pricing { display: flex; gap: 26px; align-items: center; flex-wrap: wrap; }
.price { font-family: var(--mono); font-size: 2.1rem; font-weight: 700; letter-spacing: -0.03em; }
.price small { font-size: 0.95rem; font-weight: 400; color: var(--ink-soft); }
.pricing ul { list-style: none; font-size: 0.95rem; color: var(--ink-soft); }
.pricing li::before { content: "+ "; color: var(--brand); font-family: var(--mono); font-weight: 700; }

/* ---------- Sub-page components ---------- */

/* Price table */
.table-scroll { overflow-x: auto; }
.pricetable { border-collapse: collapse; width: 100%; max-width: 640px; font-size: 0.95rem; }
.pricetable th, .pricetable td {
  text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--rule);
}
.pricetable th {
  font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.05em;
  color: var(--ink-soft); font-weight: 600;
}
.pricetable td.num { font-family: var(--mono); white-space: nowrap; }
.pricetable tr.hi td { background: var(--added-bg); }
.pricetable tr.hi td:first-child { font-weight: 700; }
.pricetable .btn.buy { padding: 6px 16px; font-size: 0.85rem; }

/* Command / code blocks */
pre.cmd {
  font-family: var(--mono); font-size: 0.85rem; line-height: 1.6;
  background: var(--chrome); border: 1px solid var(--rule); border-radius: 8px;
  padding: 12px 16px; overflow-x: auto; margin: 12px 0;
}
pre.cmd b { color: var(--brand-deep); font-weight: 600; }
pre.cmd .cm { color: var(--ink-soft); }

/* Note / info boxes */
.note {
  background: var(--card); border: 1px solid var(--rule);
  border-left: 4px solid var(--brand);
  border-radius: 0 8px 8px 0; padding: 12px 18px;
  font-size: 0.92rem; color: var(--ink-soft); margin: 18px 0; max-width: 46em;
}
.note.warn { border-left-color: var(--changed-ink); }
.note b { color: var(--ink); }

/* Licence-claim form (upgrade page) */
.claimform { max-width: 480px; display: grid; gap: 14px; margin-top: 18px; }
.claimform label { display: grid; gap: 6px; font-size: 0.9rem; color: var(--ink-soft); }
.claimform input {
  background: var(--card); border: 1px solid var(--rule); border-radius: 8px;
  padding: 11px 14px; font: inherit; color: var(--ink);
}
.claimform input:focus { border-color: var(--brand); outline: none; }
.claimform input:disabled { opacity: 0.6; }
.claimform .btn { justify-self: start; border: 0; cursor: pointer; font: inherit; }
.claimform .btn:disabled { opacity: 0.6; cursor: default; }
.formstatus { font-size: 0.92rem; min-height: 1.4em; color: var(--ink-soft); }
.formstatus.ok {
  color: var(--added-ink); background: var(--added-bg);
  padding: 10px 14px; border-radius: 8px;
}
.formstatus.err { color: var(--removed); }

/* What's-new as added diff lines */
.whatsnew { list-style: none; max-width: 46em; }
.whatsnew li {
  font-size: 0.95rem; padding: 7px 14px 7px 40px; position: relative;
  background: var(--added-bg); border-radius: 6px; margin-bottom: 6px;
  color: var(--ink);
}
.whatsnew li::before {
  content: "+"; position: absolute; left: 16px;
  font-family: var(--mono); font-weight: 700; color: var(--added-ink);
}
.whatsnew li small { color: var(--ink-soft); display: block; font-size: 0.82rem; }

/* Version timeline */
.timeline { list-style: none; max-width: 46em; margin-top: 8px; }
.timeline li { padding: 8px 0 8px 20px; border-left: 2px solid var(--rule); position: relative; }
.timeline li::before {
  content: ""; position: absolute; left: -5px; top: 16px;
  width: 8px; height: 8px; border-radius: 50%; background: var(--rule);
}
.timeline li:first-child { border-left-color: var(--brand); }
.timeline li:first-child::before { background: var(--brand); }
.timeline .v { font-family: var(--mono); font-weight: 700; margin-right: 8px; }
.timeline .y { color: var(--ink-soft); font-size: 0.85rem; margin-right: 8px; }
.timeline p { font-size: 0.9rem; color: var(--ink-soft); }

/* File / download rows */
.filecard h3 span {
  font-size: 0.72rem; font-family: var(--mono); font-weight: 400;
  color: var(--added-ink); background: var(--added-bg);
  padding: 2px 8px; border-radius: 10px; margin-left: 8px; vertical-align: middle;
}
.filemeta {
  font-family: var(--mono); font-size: 0.78rem; color: var(--ink-soft);
  margin: 8px 0 2px; display: flex; gap: 14px; flex-wrap: wrap;
}
.filemeta a { color: var(--ink-soft); }

/* Docs topic cards */
.doccard { display: block; text-decoration: none; color: inherit; }
.doccard:hover { border-color: var(--brand); }
.doccard .path { font-family: var(--mono); font-size: 0.72rem; color: var(--ink-soft); display: block; margin-top: 10px; }
.searchmock {
  display: flex; gap: 0; max-width: 520px; margin: 18px 0 6px;
  border: 1px solid var(--rule); border-radius: 8px; overflow: hidden; background: var(--card);
}
.searchmock input {
  flex: 1; border: 0; padding: 12px 16px; font: inherit; color: var(--ink);
  background: transparent; outline: none;
}
.searchmock .go {
  font-family: var(--mono); padding: 12px 18px; background: var(--chrome);
  border-left: 1px solid var(--rule); color: var(--ink-soft);
}

/* Footer */
footer {
  border-top: 1px solid var(--rule); padding: 26px 0 40px;
  font-size: 0.85rem; color: var(--ink-soft);
  display: flex; gap: 18px; flex-wrap: wrap; justify-content: space-between;
}
footer nav { display: flex; gap: 16px; flex-wrap: wrap; }
footer a { color: var(--ink-soft); }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; gap: 30px; padding-top: 30px; }
  .grid, .cases { grid-template-columns: 1fr 1fr; }
  .grid.two { grid-template-columns: 1fr; }
}
@media (max-width: 620px) {
  .grid, .cases { grid-template-columns: 1fr; }
  .diffwin { font-size: 0.72rem; }
  .nav-links a:not(.btn) { display: none; }
}

/* --- additions for the product site (05.10.2026) --- */
.badge-pop{display:inline-block;margin-left:8px;padding:1px 8px;border-radius:12px;font-family:var(--mono);font-size:.7rem;letter-spacing:.03em;background:var(--added-bg);color:var(--added-ink);vertical-align:middle;white-space:nowrap}
.filemeta.sha{display:block;margin-top:10px;font-size:.78rem;color:var(--ink-soft)}
.filemeta.sha code{display:block;margin-top:2px;font-size:.72rem;word-break:break-all;color:var(--ink)}