/* ============================================================
   QATAR REFERENCE — مرجع قطر
   Porcelain Atlas Bureau design system.
   Cool porcelain surfaces, ink panels (#0b1220), Qatar maroon
   (#8A1538), mint accent (#2fd4a6). RTL-first bilingual AR/EN.
   Typography: Fraunces/Cairo (display), Source Sans 3/Cairo (body),
   JetBrains Mono (data). Hard edges, rule hatch texture — not sibling
   warm-cream / petrol / gold / dot-grid landings.
   ============================================================ */

/* ---------- Design tokens ---------- */
:root {
  --surface:        #f7f8fa;
  --surface-band:   #eef1f5;
  --surface-card:   #ffffff;
  --surface-sink:   #eef1f5;
  --surface-ink:    #0b1220;
  --text:           #121820;
  --text-soft:      #4a5568;
  --text-mute:      #7a8699;
  --maroon:         #8A1538;
  --maroon-deep:    #6b102c;
  --maroon-wash:    #f3e8ec;
  --maroon-line:    #d4b8c2;
  --rule:           #dde2ea;
  --rule-2:         #c8d0dc;
  --signal:         #2fd4a6;
  --signal-ink:     #157a5e;
  --signal-wash:    #e6faf4;
  --gold:           #2fd4a6;
  --grid:           rgba(11,18,32,0.04);
  --grid-strong:    rgba(11,18,32,0.07);
  --edge:           0px;
  --pad-x:          clamp(1.15rem, 4vw, 2.75rem);
  --shell-max:      1220px;
  --ff-display: "Fraunces", "Cairo", Georgia, serif;
  --ff-body: "Source Sans 3", "Cairo", system-ui, -apple-system, sans-serif;
  --ff-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", monospace;
  --shadow: none;
  --shadow-lift: 0 8px 24px -12px rgba(11,18,32,0.18);
  --kb-r: 0px;
  --kb-rs: 2px;
  --kb-soft: none;
}

html[lang="ar"] {
  --ff-display: "Cairo", "Fraunces", Georgia, serif;
}

html[lang="en"] {
  --ff-display: "Fraunces", "Cairo", Georgia, serif;
  --ff-body: "Source Sans 3", system-ui, -apple-system, sans-serif;
}

/* ---------- Bilingual visibility ---------- */
.lang-en { display: none; }
html[lang="en"] .lang-en { display: inline; }
html[lang="en"] .lang-ar { display: none; }
.lang-en.block { display: none; }
html[lang="en"] .lang-en.block { display: block; }

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  font-family: var(--ff-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background-color: var(--surface);
  background-image: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 23px,
    var(--grid) 23px,
    var(--grid) 24px
  );
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: var(--maroon); text-decoration: none; }
a:hover { text-decoration: underline; }
strong { font-weight: 600; }
button { font: inherit; color: inherit; }

:focus-visible {
  outline: 2px solid var(--maroon);
  outline-offset: 2px;
  border-radius: 0;
}

.skip-link {
  position: absolute; inset-inline-start: 8px; top: -60px;
  background: var(--maroon); color: #fff;
  padding: 9px 16px; border-radius: 0; z-index: 400;
  font-family: var(--ff-mono); font-size: 0.8rem;
  transition: top .18s ease;
}
.skip-link:focus { top: 8px; text-decoration: none; }

/* ---------- Layout primitives ---------- */
.shell {
  width: 100%;
  max-width: var(--shell-max);
  margin-inline: auto;
  padding-inline: var(--pad-x);
}
.shell-narrow { max-width: 880px; }

.mono-eyebrow {
  display: inline-flex; align-items: center; gap: 0.55rem;
  font-family: var(--ff-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--maroon);
}
html[lang="ar"] .mono-eyebrow { letter-spacing: 0.06em; }
.mono-eyebrow::before {
  content: "";
  width: 22px; height: 2px;
  background: var(--signal);
}
.mono-eyebrow.on-dark { color: #8fa3b8; }

/* ============================================================
   UTILITY BAR — thin porcelain strip
   ============================================================ */
.util-bar {
  background: var(--surface-band);
  color: var(--text-soft);
  font-family: var(--ff-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--rule);
  border-top: 2px solid var(--surface-ink);
}
.util-inner {
  display: flex; align-items: center; gap: 1.1rem;
  min-height: 36px;
  padding-block: 5px;
}
.util-brand {
  display: inline-flex; align-items: center; gap: 0.5rem;
  color: var(--text); text-decoration: none; font-weight: 600;
  letter-spacing: 0.05em;
}
.util-brand:hover { text-decoration: none; color: var(--maroon); }
.util-node {
  width: 8px; height: 8px;
  background: var(--signal);
  display: inline-block; border-radius: 0;
}
.util-spacer { flex: 1; }
.util-status {
  display: inline-flex; align-items: center; gap: 0.45rem;
  color: var(--text-mute);
}
.util-dot {
  width: 6px; height: 6px; border-radius: 0;
  background: var(--maroon);
}

.lang-toggle {
  display: inline-flex; align-items: center; gap: 0.4rem;
  background: var(--surface-card);
  border: 1px solid var(--rule-2);
  color: var(--text); cursor: pointer;
  font-family: var(--ff-mono); font-size: 0.72rem; font-weight: 500;
  letter-spacing: 0.06em;
  padding: 4px 11px; border-radius: 0;
  transition: border-color .16s ease, color .16s ease;
}
.lang-toggle:hover { border-color: var(--maroon); color: var(--maroon); }
.lang-toggle svg { width: 14px; height: 14px; opacity: 0.85; }

/* ============================================================
   MASTHEAD
   ============================================================ */
.mast {
  position: sticky; top: 0; z-index: 100;
  background: rgba(247,248,250,0.94);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--rule);
  transition: box-shadow .25s ease;
}
.mast.is-stuck {
  box-shadow: 0 1px 0 var(--rule), 0 6px 18px -8px rgba(11,18,32,0.22);
}
.mast-inner {
  display: flex; align-items: center; gap: 1.5rem;
  min-height: 68px; position: relative;
}
.mast-logo {
  display: inline-flex; align-items: center; gap: 0.7rem;
  text-decoration: none; color: var(--text);
}
.mast-logo:hover { text-decoration: none; }
.mast-mark {
  width: 42px; height: 42px; flex: none;
  background: var(--maroon);
  display: grid; place-items: center;
  position: relative; border-radius: 0;
}
.mast-mark::after {
  content: ""; position: absolute; inset-inline: 0; bottom: 0;
  height: 3px; background: var(--signal);
}
.mast-mark svg { width: 25px; height: 25px; }
.mast-word { display: flex; flex-direction: column; line-height: 1; }
.mast-name {
  font-family: var(--ff-display);
  font-weight: 700; font-size: 1.4rem; letter-spacing: -0.01em;
}
html[lang="ar"] .mast-name { font-size: 1.5rem; }
.mast-tagline {
  font-family: var(--ff-mono);
  font-size: 0.62rem; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--text-mute); margin-top: 4px;
}
html[lang="ar"] .mast-tagline {
  font-family: var(--ff-body); letter-spacing: 0; font-size: 0.72rem;
}
.mast-nav { margin-inline-start: auto; }
.mast-links {
  display: flex; align-items: center; gap: 0.3rem;
  list-style: none;
}
.mast-link {
  display: inline-block;
  padding: 0.5rem 0.7rem;
  font-size: 0.9rem; font-weight: 500;
  color: var(--text-soft); text-decoration: none;
  border-radius: 0;
  border-inline-start: 2px solid transparent;
  transition: color .16s ease, border-color .16s ease;
}
.mast-link:hover {
  color: var(--maroon); text-decoration: none;
  border-inline-start-color: var(--signal);
}
.mast-cta {
  margin-inline-start: 0.4rem;
  display: inline-flex; align-items: center; gap: 0.4rem;
  padding: 0.55rem 1.05rem;
  background: var(--maroon); color: #fff;
  font-size: 0.9rem; font-weight: 600;
  border-radius: 0;
  transition: background .18s ease;
}
.mast-cta:hover { background: var(--maroon-deep); text-decoration: none; color: #fff; }
.mast-toggle {
  display: none;
  width: 44px; height: 44px; margin-inline-start: auto;
  border: 1px solid var(--rule-2); background: var(--surface-card);
  border-radius: 0; cursor: pointer;
  color: var(--text);
  align-items: center; justify-content: center;
}
.mast-toggle svg { width: 22px; height: 22px; }
.mast-toggle .icon-close { display: none; }
.mast.is-open .mast-toggle .icon-open { display: none; }
.mast.is-open .mast-toggle .icon-close { display: block; }

/* ============================================================
   BUTTONS
   ============================================================ */
.cta, .cta-line {
  display: inline-flex; align-items: center; gap: 0.55rem;
  font-family: var(--ff-body);
  font-weight: 600; font-size: 0.96rem;
  padding: 0.8rem 1.4rem;
  border-radius: 0;
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: background .18s ease, color .18s ease, border-color .18s ease;
  text-decoration: none;
}
.cta {
  background: var(--maroon); color: #fff;
}
.cta:hover { background: var(--maroon-deep); text-decoration: none; color: #fff; }
.cta-line {
  background: transparent; color: var(--maroon);
  border-color: var(--rule-2);
}
.cta-line:hover { border-color: var(--maroon); background: var(--maroon-wash); text-decoration: none; }
.cta-arrow { font-family: var(--ff-mono); transition: transform .2s ease; }
.cta:hover .cta-arrow, .cta-line:hover .cta-arrow { transform: translateX(3px); }
html[dir="rtl"] .cta-arrow, html[dir="rtl"] .cta-line .cta-arrow { transform: scaleX(-1); }
html[dir="rtl"] .cta:hover .cta-arrow, html[dir="rtl"] .cta-line:hover .cta-arrow { transform: scaleX(-1) translateX(3px); }
.cta.on-ink { background: var(--signal); color: var(--surface-ink); }
.cta.on-ink:hover { background: #26b88f; color: var(--surface-ink); }

/* ============================================================
   HERO / LEDE
   ============================================================ */
.lede {
  position: relative;
  padding-block: clamp(2.6rem, 6vw, 4.6rem) clamp(2.6rem, 6vw, 4.4rem);
  border-bottom: 1px solid var(--rule);
  overflow: hidden;
}
.lede-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: clamp(1.8rem, 4vw, 3.4rem);
  align-items: center;
}
.lede-copy { max-width: 42ch; }
.lede-title {
  font-family: var(--ff-display);
  font-weight: 700;
  font-size: clamp(2.7rem, 7vw, 5rem);
  line-height: 1.02;
  letter-spacing: -0.01em;
  margin-top: 1.1rem;
}
html[lang="en"] .lede-title { line-height: 0.94; font-weight: 800; }
.lede-title .accent { color: var(--maroon); position: relative; }
.lede-title .accent::after {
  content: ""; position: absolute; inset-inline: 0; bottom: 0.06em;
  height: 3px; background: var(--signal);
}
.lede-text {
  margin-top: 1.4rem;
  font-size: 1.08rem;
  color: var(--text-soft);
  max-width: 48ch;
}
.lede-actions {
  margin-top: 1.9rem;
  display: flex; flex-wrap: wrap; gap: 0.75rem;
}
.assure-row {
  margin-top: 2.1rem;
  display: flex; flex-wrap: wrap; gap: 0.5rem 1.3rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--rule);
}
.assure {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-family: var(--ff-mono);
  font-size: 0.74rem; letter-spacing: 0.02em;
  color: var(--text-soft);
}
html[lang="ar"] .assure { font-family: var(--ff-body); font-size: 0.86rem; }
.assure svg { width: 15px; height: 15px; color: var(--signal); flex: none; }

.panel {
  background: var(--surface-card);
  border: 1px solid var(--rule);
  border-radius: 0;
  overflow: hidden;
}
.panel-bar {
  display: flex; align-items: center; gap: 0.6rem;
  padding: 0.6rem 1rem;
  background: var(--surface-ink);
  color: #9aabb8;
  font-family: var(--ff-mono);
  font-size: 0.68rem; letter-spacing: 0.12em; text-transform: uppercase;
}
html[lang="ar"] .panel-bar { font-family: var(--ff-body); letter-spacing: 0; text-transform: none; font-size: 0.8rem; }
.panel-bar .beacon { width: 8px; height: 8px; border-radius: 0; background: var(--signal); }
.panel-bar .panel-ref { margin-inline-start: auto; color: #6d8294; letter-spacing: 0.05em; }
.tiles {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 1px; background: var(--rule);
}
.tile { background: var(--surface-card); padding: 1.15rem 1.1rem 1.05rem; }
.tile-num {
  font-family: var(--ff-mono);
  font-weight: 600;
  font-size: clamp(1.7rem, 3.4vw, 2.25rem);
  line-height: 1; letter-spacing: -0.02em;
  color: var(--maroon-deep);
  font-variant-numeric: tabular-nums;
}
.tile-num .unit { font-size: 0.9rem; color: var(--text-mute); margin-inline-start: 3px; }
.tile-label {
  margin-top: 0.55rem;
  font-size: 0.82rem; color: var(--text-soft); line-height: 1.4;
}
.netmap {
  border-top: 1px solid var(--rule);
  padding: 0.9rem 1rem 0.7rem;
  background: var(--surface-band);
}
.netmap-cap {
  font-family: var(--ff-mono);
  font-size: 0.64rem; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--text-mute);
  display: flex; justify-content: space-between;
  margin-top: 0.5rem;
}
html[lang="ar"] .netmap-cap { font-family: var(--ff-body); letter-spacing: 0; text-transform: none; font-size: 0.72rem; }

/* ============================================================
   SECTION BLOCKS
   ============================================================ */
.block {
  padding-block: clamp(3rem, 7vw, 5.2rem);
  border-bottom: 1px solid var(--rule);
  position: relative;
}
.block.is-sink { background: var(--surface-band); }
.block.is-ink {
  background: var(--surface-ink);
  color: #b8c4d4;
  border-bottom-color: rgba(255,255,255,0.08);
}
.block.is-ink .block-title { color: #fff; }
.block.is-ink .block-intro { color: #8fa3b8; }
.block-head { max-width: 64ch; margin-bottom: clamp(1.8rem, 4vw, 2.6rem); }
.block-topline {
  display: flex; align-items: center; gap: 1rem;
  margin-bottom: 1rem;
  border-inline-start: 4px solid var(--maroon);
  padding-inline-start: 1rem;
}
.block-index {
  font-family: var(--ff-mono);
  font-size: 0.72rem; letter-spacing: 0.1em;
  color: var(--text-mute);
  margin-inline-start: auto;
}
html[lang="ar"] .block-index { font-family: var(--ff-body); letter-spacing: 0; font-size: 0.82rem; }
.block-title {
  font-family: var(--ff-display);
  font-weight: 700;
  font-size: clamp(1.9rem, 4.4vw, 3rem);
  line-height: 1.08; letter-spacing: -0.01em;
  margin-top: 0.7rem;
}
html[lang="en"] .block-title { font-weight: 800; line-height: 0.98; }
.block-intro {
  margin-top: 1rem;
  color: var(--text-soft);
  font-size: 1.04rem;
}

/* ============================================================
   NETWORK GENERATIONS — data table
   ============================================================ */
.table-scroll { overflow-x: auto; border: 1px solid var(--rule); border-radius: 0; background: var(--surface-card); }
.net-table {
  width: 100%; border-collapse: collapse;
  min-width: 720px;
  font-size: 0.94rem;
}
.net-table thead th {
  text-align: start;
  font-family: var(--ff-mono);
  font-size: 0.68rem; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--text-mute); font-weight: 500;
  padding: 0.85rem 1.1rem;
  background: var(--surface-band);
  border-bottom: 2px solid var(--rule-2);
  white-space: nowrap;
}
html[lang="ar"] .net-table thead th { font-family: var(--ff-body); letter-spacing: 0; text-transform: none; font-size: 0.8rem; }
.net-table tbody td {
  padding: 0.9rem 1.1rem;
  border-bottom: 1px solid var(--rule);
  vertical-align: middle;
}
.net-table tbody tr:last-child td { border-bottom: none; }
.net-table tbody tr { transition: background .15s ease; }
.net-table tbody tr:hover { background: var(--maroon-wash); }
.ax-badge {
  display: inline-grid; place-items: center;
  min-width: 46px; height: 30px; padding-inline: 8px;
  background: var(--maroon); color: #fff;
  font-family: var(--ff-mono); font-weight: 600; font-size: 0.86rem;
  border-radius: 0;
}
.ax-badge.is-signal { background: var(--signal); color: var(--surface-ink); }
.ax-name { font-weight: 600; }
.ax-path { font-size: 0.9rem; color: var(--text-soft); }
.ax-len {
  font-family: var(--ff-mono);
  font-variant-numeric: tabular-nums;
  color: var(--maroon-deep); font-weight: 500;
  white-space: nowrap;
}
.ax-len .approx { color: var(--text-mute); font-weight: 400; }
.ax-note { color: var(--text-soft); font-size: 0.88rem; }
.table-foot {
  font-family: var(--ff-mono);
  font-size: 0.7rem; letter-spacing: 0.02em;
  color: var(--text-mute);
  margin-top: 0.85rem;
}
html[lang="ar"] .table-foot { font-family: var(--ff-body); letter-spacing: 0; font-size: 0.82rem; }

/* ============================================================
   USES — capability chips
   ============================================================ */
.limits {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  border-radius: 0;
  overflow: hidden;
}
.limit {
  background: var(--surface-card);
  padding: 1.5rem 1.3rem;
  display: flex; flex-direction: column; gap: 0.6rem;
  border-inline-start: 2px solid transparent;
  transition: border-color .16s ease;
}
.limit:hover { border-inline-start-color: var(--signal); }
.limit-ic {
  width: 52px; height: 52px; flex: none;
  border-radius: 0;
  display: grid; place-items: center;
  background: var(--maroon-wash); color: var(--maroon);
}
.limit-ic.is-signal { background: var(--signal-wash); color: var(--signal-ink); }
.limit-ic svg { width: 26px; height: 26px; }
.limit-cat { font-weight: 600; font-size: 1.02rem; }
.limit-note { font-size: 0.86rem; color: var(--text-soft); }
.limit-tag {
  align-self: flex-start;
  font-family: var(--ff-mono); font-size: 0.62rem;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--signal-ink); background: var(--signal-wash);
  padding: 2px 7px; border-radius: 0;
}
html[lang="ar"] .limit-tag { font-family: var(--ff-body); letter-spacing: 0; text-transform: none; font-size: 0.74rem; }

/* ============================================================
   COVERAGE — ranked horizontal bar chart (on ink)
   ============================================================ */
.rank {
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 0;
  background: rgba(255,255,255,0.02);
  padding: clamp(1.2rem, 3vw, 2rem);
  position: relative;
}
.rank-row {
  position: relative;
  display: grid;
  grid-template-columns: 210px 1fr auto;
  align-items: center;
  gap: 1rem;
  padding: 0.6rem 0;
}
.rank-row + .rank-row { border-top: 1px solid rgba(255,255,255,0.07); }
.rank-label { display: flex; flex-direction: column; }
.rank-name { font-weight: 600; color: #fff; font-size: 1rem; }
.rank-meta {
  font-family: var(--ff-mono); font-size: 0.68rem;
  letter-spacing: 0.05em; color: #8fa3b8; margin-top: 2px;
}
html[lang="ar"] .rank-meta { font-family: var(--ff-body); letter-spacing: 0; font-size: 0.8rem; }
.rank-track {
  height: 18px;
  background: rgba(255,255,255,0.06);
  border-radius: 0; overflow: hidden;
  position: relative;
}
.rank-bar {
  height: 100%; width: 0;
  background: var(--maroon);
  border-inline-end: 2px solid var(--signal);
  transition: width 1.1s cubic-bezier(.2,.7,.2,1);
}
.rank-row.is-top .rank-bar { background: var(--signal); border-inline-end-color: #fff; }
.rank-num {
  font-family: var(--ff-mono);
  font-variant-numeric: tabular-nums;
  color: #fff; font-weight: 600; font-size: 0.95rem;
  min-width: 66px; text-align: end;
}
.rank-num .unit { color: #8fa3b8; font-weight: 400; font-size: 0.8em; }
.rank-axis {
  display: flex; justify-content: space-between;
  font-family: var(--ff-mono); font-size: 0.64rem;
  color: #6d8294; margin-top: 0.9rem; letter-spacing: 0.04em;
  padding-inline-start: 210px;
}

/* ============================================================
   SPEC — technology spec sheet
   ============================================================ */
.spec {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  border: 1px solid var(--rule);
  border-radius: 0;
  background: var(--surface-card);
  overflow: hidden;
}
.spec-figure {
  position: relative;
  background: var(--surface-band);
  border-inline-end: 1px solid var(--rule);
  display: grid;
}
.spec-figure svg { width: 100%; height: 100%; object-fit: cover; }
.spec-flag {
  position: absolute; top: 1rem; inset-inline-start: 1rem;
  font-family: var(--ff-mono); font-size: 0.66rem;
  letter-spacing: 0.08em; text-transform: uppercase;
  background: var(--surface-ink); color: var(--signal);
  padding: 4px 10px; border-radius: 0;
}
html[lang="ar"] .spec-flag { font-family: var(--ff-body); letter-spacing: 0; text-transform: none; font-size: 0.76rem; }
.spec-body { padding: clamp(1.4rem, 3vw, 2.4rem); }
.spec-title {
  font-family: var(--ff-display); font-weight: 700;
  font-size: clamp(1.6rem, 3.6vw, 2.5rem); line-height: 1.06;
  margin-top: 0.7rem;
}
html[lang="en"] .spec-title { font-weight: 800; line-height: 0.98; }
.spec-text { margin-top: 1rem; color: var(--text-soft); }
.spec-metrics {
  margin-top: 1.6rem;
  display: grid; grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--rule); border-inline-start: 1px solid var(--rule);
}
.metric {
  border-inline-end: 1px solid var(--rule); border-bottom: 1px solid var(--rule);
  padding: 0.95rem 1rem;
}
.metric-num {
  font-family: var(--ff-mono); font-weight: 600;
  font-size: 1.45rem; color: var(--maroon-deep);
  font-variant-numeric: tabular-nums; line-height: 1;
}
.metric-cap {
  font-family: var(--ff-mono); font-size: 0.66rem;
  letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--text-mute); margin-top: 0.5rem;
}
html[lang="ar"] .metric-cap { font-family: var(--ff-body); letter-spacing: 0; text-transform: none; font-size: 0.78rem; }

/* ============================================================
   HABITS — rhythm grid + schematic heatmap
   ============================================================ */
.reise-wrap { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: clamp(1.4rem, 3vw, 2.4rem); align-items: start; }
.rhythm { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--rule); border: 1px solid var(--rule); border-radius: 0; overflow: hidden; }
.rhythm-cell { background: var(--surface-card); padding: 1.3rem 1.25rem; }
.rhythm-idx {
  font-family: var(--ff-mono); font-size: 0.72rem; letter-spacing: 0.08em;
  color: var(--signal-ink); font-weight: 500;
}
html[lang="ar"] .rhythm-idx { font-family: var(--ff-body); letter-spacing: 0; font-size: 0.82rem; }
.rhythm-title { font-family: var(--ff-display); font-weight: 700; font-size: 1.4rem; margin-top: 0.5rem; line-height: 1.15; }
.rhythm-text { margin-top: 0.6rem; font-size: 0.88rem; color: var(--text-soft); }

.heat {
  background: var(--surface-card);
  border: 1px solid var(--rule); border-radius: 0;
  padding: 1.2rem 1.25rem 1.35rem;
}
.heat-title {
  font-family: var(--ff-mono); font-size: 0.7rem; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--text-mute); margin-bottom: 0.9rem;
}
html[lang="ar"] .heat-title { font-family: var(--ff-body); letter-spacing: 0; text-transform: none; font-size: 0.82rem; }
.heat-grid {
  display: grid;
  grid-template-columns: 58px repeat(7, 1fr);
  gap: 4px;
  font-family: var(--ff-mono);
}
.heat-col-h { font-size: 0.58rem; color: var(--text-mute); text-align: center; letter-spacing: 0.02em; align-self: center; }
.heat-row-h { font-size: 0.6rem; color: var(--text-mute); display: flex; align-items: center; }
html[lang="ar"] .heat-col-h, html[lang="ar"] .heat-row-h { font-family: var(--ff-body); font-size: 0.7rem; }
.heat-cell { aspect-ratio: 1 / 1; border-radius: 0; background: var(--maroon); }
.heat-l0 { background: var(--signal-wash); }
.heat-l1 { background: #a8f0d8; }
.heat-l2 { background: #5ee0b0; }
.heat-l3 { background: var(--signal); }
.heat-l4 { background: var(--maroon); }
.heat-legend {
  display: flex; align-items: center; gap: 0.55rem;
  margin-top: 0.95rem;
  font-family: var(--ff-mono); font-size: 0.62rem; color: var(--text-mute);
  letter-spacing: 0.03em;
}
html[lang="ar"] .heat-legend { font-family: var(--ff-body); letter-spacing: 0; font-size: 0.74rem; }
.heat-legend .swatches { display: inline-flex; gap: 3px; }
.heat-legend i { width: 13px; height: 13px; border-radius: 0; display: inline-block; }
.heat-note {
  margin-top: 0.8rem; font-family: var(--ff-mono);
  font-size: 0.62rem; color: var(--text-mute); letter-spacing: 0.02em;
}
html[lang="ar"] .heat-note { font-family: var(--ff-body); letter-spacing: 0; font-size: 0.76rem; }

/* ============================================================
   INFOBOX / CALLOUT
   ============================================================ */
.infobox {
  background: var(--maroon-wash);
  border-inline-start: 4px solid var(--maroon);
  border-radius: 0;
  padding: 1.1rem 1.3rem;
  font-size: 0.96rem; color: var(--text-soft);
  margin-block: 1.4rem;
}
.infobox strong { color: var(--text); }
.infobox.is-signal { background: var(--signal-wash); border-inline-start-color: var(--signal); }
.infobox.is-signal strong { color: var(--signal-ink); }

.live-strip {
  margin-top: 1.8rem;
  display: flex; gap: 1rem; align-items: flex-start;
  background: var(--surface-card); border: 1px solid var(--rule);
  border-inline-start: 4px solid var(--signal);
  border-radius: 0; padding: 1.15rem 1.35rem;
}
.live-strip .live-ic { color: var(--signal-ink); flex: none; margin-top: 2px; }
.live-strip p { font-size: 0.94rem; color: var(--text-soft); }

/* ============================================================
   INSIGHTS — tight feed list
   ============================================================ */
.feed { border-top: 1px solid var(--rule); }
.feed-row {
  display: grid;
  grid-template-columns: 132px 1fr auto;
  gap: clamp(1rem, 2.5vw, 1.8rem);
  align-items: center;
  padding: 1.2rem 0.4rem;
  border-bottom: 1px solid var(--rule);
  text-decoration: none; color: inherit;
  transition: background .16s ease, padding-inline .16s ease;
}
.feed-row:hover { background: var(--surface-band); text-decoration: none; padding-inline: 0.9rem; }
.feed-thumb {
  width: 132px; height: 82px; overflow: hidden;
  border: 1px solid var(--rule); border-radius: 0;
  background: var(--maroon-wash);
}
.feed-thumb svg { width: 100%; height: 100%; }
.feed-main { min-width: 0; }
.feed-kicker {
  font-family: var(--ff-mono); font-size: 0.66rem;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--signal-ink);
}
html[lang="ar"] .feed-kicker { font-family: var(--ff-body); letter-spacing: 0; text-transform: none; font-size: 0.78rem; }
.feed-headline {
  font-family: var(--ff-display); font-weight: 700;
  font-size: clamp(1.2rem, 2.6vw, 1.55rem); line-height: 1.18;
  margin-top: 0.3rem; color: var(--text);
}
html[lang="en"] .feed-headline { line-height: 1.05; }
.feed-row:hover .feed-headline { color: var(--maroon); }
.feed-dek { margin-top: 0.4rem; font-size: 0.9rem; color: var(--text-soft); }
.feed-meta {
  font-family: var(--ff-mono); font-size: 0.7rem;
  color: var(--text-mute); letter-spacing: 0.03em;
  white-space: nowrap; text-align: end;
}
html[lang="ar"] .feed-meta { font-family: var(--ff-body); letter-spacing: 0; font-size: 0.8rem; }
.feed-go {
  font-family: var(--ff-mono); font-size: 1.1rem; color: var(--maroon);
  transition: transform .18s ease;
}
html[dir="rtl"] .feed-go { transform: scaleX(-1); }
.feed-row:hover .feed-go { transform: translateX(4px); }
html[dir="rtl"] .feed-row:hover .feed-go { transform: scaleX(-1) translateX(4px); }
.feed-cta { margin-top: 2rem; }

/* ============================================================
   CONTACT — reach grid + source card (on ink)
   ============================================================ */
.reach-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1.4rem, 3vw, 2.6rem); align-items: start; }
.reach-list {
  margin-top: 1.6rem; display: flex; flex-direction: column; gap: 1px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 0; overflow: hidden;
}
.reach-line {
  display: flex; align-items: center; gap: 0.9rem;
  padding: 1rem 1.15rem; background: rgba(255,255,255,0.02);
}
.reach-ic {
  width: 38px; height: 38px; flex: none;
  display: grid; place-items: center;
  background: rgba(47,212,166,0.15); color: var(--signal);
  border-radius: 0;
}
.reach-ic svg { width: 19px; height: 19px; }
.reach-key {
  font-family: var(--ff-mono); font-size: 0.64rem;
  letter-spacing: 0.1em; text-transform: uppercase; color: #6d8294;
}
html[lang="ar"] .reach-key { font-family: var(--ff-body); letter-spacing: 0; text-transform: none; font-size: 0.78rem; }
.reach-val { color: #fff; font-weight: 500; }
.reach-val a { color: var(--signal); }
.reach-val a:hover { color: var(--signal); }
.source-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 0;
  padding: clamp(1.4rem, 3vw, 2rem);
}
.source-card h3 {
  font-family: var(--ff-display); font-weight: 700;
  font-size: 1.5rem; color: #fff; line-height: 1.15;
}
.source-card p { margin-top: 0.9rem; color: #8fa3b8; font-size: 0.96rem; }
.source-link {
  display: inline-flex; align-items: center; gap: 0.5rem;
  margin-top: 1.2rem;
  font-family: var(--ff-mono); font-size: 0.82rem;
  color: var(--surface-ink); background: var(--signal);
  padding: 0.55rem 0.9rem;
  border: 1px solid var(--signal); border-radius: 0;
}
html[lang="ar"] .source-link { font-family: var(--ff-body); }
.source-link:hover { background: #26b88f; text-decoration: none; }

/* ============================================================
   DISCLAIMER STRIP
   ============================================================ */
.disclaimer {
  background: var(--surface-band);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  border-inline-start: 4px solid var(--maroon);
}
.disclaimer-inner { display: flex; gap: 1.1rem; align-items: center; padding-block: 1.4rem; }
.disclaimer-ic {
  flex: none; width: 44px; height: 44px;
  display: grid; place-items: center;
  background: var(--maroon); color: #fff; border-radius: 0;
}
.disclaimer-ic svg { width: 24px; height: 24px; }
.disclaimer-text b {
  font-family: var(--ff-display); font-weight: 700;
  font-size: 1.2rem; display: block; color: var(--maroon);
}
.disclaimer-text p { font-size: 0.92rem; color: var(--text-soft); margin-top: 2px; }

/* ============================================================
   FOOTER
   ============================================================ */
.foot { background: var(--surface-ink); color: #8fa3b8; }
.foot-grid {
  display: grid; grid-template-columns: 1.6fr 1fr 1fr;
  gap: clamp(1.6rem, 4vw, 3rem);
  padding-block: clamp(2.4rem, 5vw, 3.6rem) 2rem;
}
.foot-brand-row { display: inline-flex; align-items: center; gap: 0.7rem; }
.foot-mark {
  width: 36px; height: 36px;
  background: var(--maroon);
  display: grid; place-items: center;
  position: relative; border-radius: 0;
}
.foot-mark::after {
  content: ""; position: absolute;
  inset-inline: auto 0; top: 0; bottom: 0; width: 4px;
  background: var(--signal);
}
.foot-mark svg { width: 21px; height: 21px; }
.foot-name {
  font-family: var(--ff-display); font-weight: 700;
  font-size: 1.3rem; color: #fff;
}
.foot-about { margin-top: 1rem; font-size: 0.92rem; color: #6d8294; max-width: 42ch; }
.foot-h {
  font-family: var(--ff-mono); font-size: 0.68rem;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--signal); margin-bottom: 0.9rem;
}
html[lang="ar"] .foot-h { font-family: var(--ff-body); letter-spacing: 0; text-transform: none; font-size: 0.82rem; }
.foot-col a { display: block; color: #b8c4d4; font-size: 0.92rem; padding: 0.3rem 0; }
.foot-col a:hover { color: var(--signal); }
.foot-note {
  display: flex; gap: 0.85rem; align-items: flex-start;
  padding: 1.2rem 0;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 0.86rem; color: #6d8294;
}
.foot-note svg { flex: none; color: var(--signal); margin-top: 2px; }
.foot-note strong { color: #b8c4d4; }
.foot-strip {
  display: flex; flex-wrap: wrap; gap: 0.6rem 1.4rem;
  justify-content: space-between; align-items: center;
  padding: 1.2rem 0;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-family: var(--ff-mono); font-size: 0.74rem; color: #6d8294;
}
html[lang="ar"] .foot-strip { font-family: var(--ff-body); font-size: 0.84rem; }
.foot-legal { display: flex; flex-wrap: wrap; gap: 1.1rem; }
.foot-legal a { color: #b8c4d4; }
.foot-fine { font-size: 0.74rem; color: #566578; padding-bottom: 2rem; max-width: 96ch; line-height: 1.6; }

/* ============================================================
   COOKIE CONSENT
   ============================================================ */
.consent {
  position: fixed; inset-inline: 0; margin-inline: auto; bottom: 18px;
  z-index: 300;
  width: min(720px, calc(100% - 24px));
  display: grid; grid-template-columns: auto 1fr; gap: 1rem 1.1rem;
  background: var(--surface);
  border: 1px solid var(--rule-2);
  border-inline-start: 4px solid var(--maroon);
  border-radius: 0;
  box-shadow: var(--shadow-lift);
  padding: 1.25rem 1.4rem;
  opacity: 0; transform: translateY(140%);
  transition: transform .5s cubic-bezier(.2,.8,.2,1), opacity .4s ease;
}
.consent.shown { transform: translateY(0); opacity: 1; }
.consent-ic {
  width: 40px; height: 40px;
  display: grid; place-items: center;
  background: var(--maroon-wash); color: var(--maroon);
  border-radius: 0;
}
.consent-ic svg { width: 22px; height: 22px; }
.consent-h {
  font-family: var(--ff-display); font-weight: 700;
  font-size: 1.2rem; line-height: 1.15;
}
.consent-text { font-size: 0.88rem; color: var(--text-soft); margin-top: 0.4rem; }
.consent-actions {
  grid-column: 1 / -1;
  display: flex; flex-wrap: wrap; gap: 0.6rem; justify-content: flex-end;
}
.consent-actions .cta, .consent-actions .cta-line { padding: 0.6rem 1.15rem; font-size: 0.88rem; }

/* ============================================================
   DOC PAGES (legal / about)
   ============================================================ */
.doc-top {
  padding-block: clamp(2.4rem, 5vw, 3.6rem);
  border-bottom: 1px solid var(--rule);
  background: var(--surface-band);
  border-inline-start: 4px solid var(--maroon);
}
.doc-top h1 {
  font-family: var(--ff-display); font-weight: 700;
  font-size: clamp(2.2rem, 6vw, 3.8rem); line-height: 1.04;
  letter-spacing: -0.015em; margin-top: 0.8rem;
}
html[lang="en"] .doc-top h1 { line-height: 0.94; font-weight: 800; }
.doc-top p { margin-top: 1rem; color: var(--text-soft); max-width: 62ch; }
.stamp {
  display: inline-block; margin-top: 1.2rem;
  font-family: var(--ff-mono); font-size: 0.72rem; letter-spacing: 0.04em;
  color: var(--text-mute); border: 1px solid var(--rule); border-radius: 0;
  padding: 4px 10px; background: var(--surface-card);
}
html[lang="ar"] .stamp { font-family: var(--ff-body); letter-spacing: 0; font-size: 0.82rem; }
.doc-layout {
  display: grid; grid-template-columns: 250px 1fr;
  gap: clamp(1.6rem, 4vw, 3.2rem);
  padding-block: clamp(2.4rem, 5vw, 3.6rem);
  align-items: start;
}
.doc-toc { position: sticky; top: 88px; }
.doc-toc h4 {
  font-family: var(--ff-mono); font-size: 0.68rem; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--text-mute); margin-bottom: 0.7rem;
  padding-bottom: 0.6rem; border-bottom: 2px solid var(--maroon);
}
html[lang="ar"] .doc-toc h4 { font-family: var(--ff-body); letter-spacing: 0; text-transform: none; font-size: 0.82rem; }
.doc-toc a {
  display: block; padding: 0.32rem 0; font-size: 0.88rem;
  color: var(--text-soft); border-inline-start: 2px solid transparent;
  padding-inline-start: 0.7rem;
}
.doc-toc a:hover { color: var(--maroon); border-inline-start-color: var(--signal); text-decoration: none; }
.doc-content { max-width: 70ch; }
.doc-content h2 {
  font-family: var(--ff-display); font-weight: 700;
  font-size: clamp(1.4rem, 3vw, 2rem); line-height: 1.14;
  margin-top: 2.4rem; margin-bottom: 0.8rem;
  padding-top: 1.4rem; border-top: 1px solid var(--rule);
  scroll-margin-top: 88px;
}
html[lang="en"] .doc-content h2 { line-height: 1.02; font-weight: 800; }
.doc-content h2:first-of-type { border-top: none; padding-top: 0; margin-top: 0.5rem; }
.doc-content h3 { font-size: 1.1rem; font-weight: 600; margin-top: 1.4rem; margin-bottom: 0.5rem; }
.doc-content p { margin-bottom: 1rem; color: var(--text-soft); }
.doc-content ul { margin: 0 0 1.1rem; padding-inline-start: 1.2rem; color: var(--text-soft); }
.doc-content li { margin-bottom: 0.4rem; }
.doc-content li::marker { color: var(--signal); }
.spec-table {
  width: 100%; border-collapse: collapse;
  font-size: 0.88rem; margin: 0.4rem 0 1.2rem; min-width: 520px;
}
.spec-table th {
  text-align: start; font-family: var(--ff-mono); font-size: 0.64rem;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-mute);
  padding: 0.7rem 0.9rem; background: var(--surface-band);
  border-bottom: 2px solid var(--rule-2);
}
html[lang="ar"] .spec-table th { font-family: var(--ff-body); letter-spacing: 0; text-transform: none; font-size: 0.78rem; }
.spec-table td {
  padding: 0.7rem 0.9rem; border-bottom: 1px solid var(--rule);
  color: var(--text-soft); vertical-align: top;
}
.spec-table td:first-child {
  font-family: var(--ff-mono); color: var(--maroon-deep); white-space: nowrap;
}
html[lang="ar"] .spec-table td:first-child { font-family: var(--ff-body); }
.crumb-back {
  display: inline-flex; align-items: center; gap: 0.4rem;
  margin-top: 2rem; font-family: var(--ff-mono); font-size: 0.82rem;
  color: var(--maroon);
}
html[lang="ar"] .crumb-back { font-family: var(--ff-body); }
.crumb-back .a { display: inline-block; }
html[dir="rtl"] .crumb-back .a { transform: scaleX(-1); }
.pillars {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1px; background: var(--rule);
  border: 1px solid var(--rule); border-radius: 0;
  overflow: hidden; margin-block: 1.6rem;
}
.pillar {
  background: var(--surface-card);
  padding: 1.4rem 1.3rem;
  border-inline-start: 2px solid transparent;
  transition: border-color .16s ease;
}
.pillar:hover { border-inline-start-color: var(--signal); }
.pillar-ic {
  width: 42px; height: 42px;
  display: grid; place-items: center;
  background: var(--signal-wash); color: var(--signal-ink);
  border-radius: 0; margin-bottom: 0.9rem;
}
.pillar-ic svg { width: 22px; height: 22px; }
.pillar h3 {
  font-family: var(--ff-display); font-weight: 700;
  font-size: 1.35rem; line-height: 1.15;
}
.pillar p { margin-top: 0.5rem; font-size: 0.88rem; color: var(--text-soft); }

/* ============================================================
   SIMPLE PAGE HEAD
   ============================================================ */
.page-top {
  padding-block: clamp(2.6rem, 6vw, 4rem);
  border-bottom: 1px solid var(--rule);
  background: var(--surface-band);
  border-inline-start: 4px solid var(--maroon);
}
.page-top h1 {
  font-family: var(--ff-display); font-weight: 700;
  font-size: clamp(2.4rem, 7vw, 4.4rem); line-height: 1.02;
  letter-spacing: -0.015em; margin-top: 0.8rem;
}
html[lang="en"] .page-top h1 { line-height: 0.92; font-weight: 800; }
.page-top p { margin-top: 1rem; color: var(--text-soft); max-width: 60ch; font-size: 1.06rem; }

/* ============================================================
   REVEAL ANIMATION
   ============================================================ */
.js .rise {
  opacity: 0; transform: translateY(16px);
  transition: opacity .6s cubic-bezier(.2,.7,.2,1), transform .6s cubic-bezier(.2,.7,.2,1);
  transition-delay: calc(var(--i, 0) * 70ms);
}
.js .rise.lit { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .js .rise { opacity: 1 !important; transform: none !important; transition: none; }
  .rank-bar { transition: none; }
  .cta, .cta-line, .feed-go, .feed-row { transition: none; }
}

/* ============================================================
   ARTICLE PAGES (.post-*)
   ============================================================ */
.post-top {
  padding-block: clamp(2.4rem, 5vw, 3.8rem);
  border-bottom: 1px solid var(--rule);
  background: var(--surface-band);
  border-inline-start: 4px solid var(--maroon);
}
.post-back {
  font-family: var(--ff-mono); font-size: 0.8rem; color: var(--maroon);
  display: inline-flex; align-items: center; gap: 0.4rem; margin-bottom: 1.4rem;
}
html[lang="ar"] .post-back { font-family: var(--ff-body); }
.post-back .a { display: inline-block; }
html[dir="rtl"] .post-back .a { transform: scaleX(-1); }
.post-kicker {
  display: inline-block;
  font-family: var(--ff-mono); font-size: 0.68rem; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--surface-ink);
  background: var(--signal); padding: 4px 10px; border-radius: 0;
}
html[lang="ar"] .post-kicker { font-family: var(--ff-body); letter-spacing: 0; text-transform: none; font-size: 0.8rem; }
.post-title {
  font-family: var(--ff-display); font-weight: 700;
  font-size: clamp(2rem, 5.2vw, 3.6rem); line-height: 1.08;
  letter-spacing: -0.015em; margin-top: 1.1rem; max-width: 24ch;
}
html[lang="en"] .post-title { line-height: 0.98; font-weight: 800; }
.post-dek { margin-top: 1.1rem; font-size: 1.14rem; color: var(--text-soft); max-width: 62ch; }
.post-facts {
  display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem;
  margin-top: 1.6rem; padding-top: 1.2rem; border-top: 1px solid var(--rule);
  font-family: var(--ff-mono); font-size: 0.76rem; color: var(--text-mute);
}
html[lang="ar"] .post-facts { font-family: var(--ff-body); font-size: 0.86rem; }
.post-facts > span { display: inline-flex; align-items: center; gap: 0.4rem; }
.post-facts svg { width: 14px; height: 14px; color: var(--signal); }
.post-body { max-width: 70ch; margin-inline: auto; padding-block: clamp(2.2rem, 5vw, 3.4rem); }
.post-body > p { margin-bottom: 1.15rem; font-size: 1.06rem; }
.post-body h2 {
  font-family: var(--ff-display); font-weight: 700;
  font-size: clamp(1.5rem, 3.4vw, 2.2rem); line-height: 1.14;
  margin-top: 2.4rem; margin-bottom: 0.9rem;
  display: flex; align-items: center; gap: 0.7rem;
  border-inline-start: 4px solid var(--maroon);
  padding-inline-start: 0.8rem;
}
html[lang="en"] .post-body h2 { line-height: 1.0; font-weight: 800; }
.post-body h2::before { content: none; }
.post-body h3 { font-size: 1.14rem; font-weight: 600; margin-top: 1.6rem; margin-bottom: 0.5rem; }
.post-body ul { margin: 0 0 1.3rem; padding-inline-start: 1.3rem; }
.post-body li { margin-bottom: 0.55rem; color: var(--text-soft); }
.post-body li::marker { color: var(--signal); }
.post-body a { text-decoration: underline; text-underline-offset: 2px; font-weight: 500; }
.post-pull {
  font-family: var(--ff-display); font-weight: 700;
  font-size: clamp(1.4rem, 3.4vw, 2rem); line-height: 1.2;
  color: var(--maroon-deep);
  border-inline-start: 4px solid var(--signal);
  padding: 0.3rem 0 0.3rem 1.3rem; padding-inline-start: 1.3rem;
  margin: 2rem 0;
}
.post-fig { margin: 2rem 0; }
.post-frame {
  border: 1px solid var(--rule); border-radius: 0;
  overflow: hidden; background: var(--surface-band);
}
.post-frame svg { width: 100%; height: auto; }
.post-fig figcaption {
  margin-top: 0.7rem; font-family: var(--ff-mono);
  font-size: 0.74rem; color: var(--text-mute); letter-spacing: 0.02em;
  padding-inline-start: 1rem; border-inline-start: 2px solid var(--signal);
}
html[lang="ar"] .post-fig figcaption { font-family: var(--ff-body); letter-spacing: 0; font-size: 0.84rem; }
.post-source {
  margin-top: 2rem; padding-top: 1.2rem; border-top: 1px solid var(--rule);
  font-size: 0.84rem; color: var(--text-mute);
}
.post-more { background: var(--surface-band); border-top: 1px solid var(--rule); }
.post-more .block-title { font-size: clamp(1.5rem, 3vw, 2.1rem); }

/* ============================================================
   HOMEPAGE — Porcelain Atlas knowledge layer (.kb-*)
   ============================================================ */
.accent { color: var(--signal); }
.u {
  font-size: .5em; font-weight: 700; vertical-align: .5em;
  margin-inline-start: .12em; letter-spacing: .04em;
}

.kb-sec { padding-block: clamp(3rem, 7vw, 5.6rem); position: relative; }
.kb-sec.kb-tint { background: var(--surface-band); }

.kb-head {
  max-width: 62ch; margin-bottom: clamp(1.8rem, 4vw, 2.8rem);
  border-inline-start: 4px solid var(--maroon);
  padding-inline-start: 1.2rem;
}
.kb-kier {
  display: inline-flex; align-items: center; gap: .5rem;
  font-family: var(--ff-mono); font-size: .72rem;
  letter-spacing: .16em; text-transform: uppercase;
  color: var(--maroon);
}
html[lang="ar"] .kb-kier { font-family: var(--ff-body); letter-spacing: 0; text-transform: none; font-size: .82rem; }
.kb-h2 {
  font-family: var(--ff-display); font-weight: 700;
  font-size: clamp(1.85rem, 4.4vw, 2.95rem);
  line-height: 1.1; letter-spacing: -.01em; margin-top: 1rem;
}
html[lang="en"] .kb-h2 { font-weight: 800; line-height: 1.0; }
.kb-sub {
  margin-top: 1rem; color: var(--text-soft);
  font-size: 1.05rem; line-height: 1.7; max-width: 60ch;
}
.kb-sub a {
  color: var(--maroon); font-weight: 600; text-decoration: none;
  border-bottom: 1px solid var(--maroon-line);
}
.kb-sub a:hover { color: var(--signal-ink); border-color: var(--signal); }

/* ---- HERO — full-bleed ink band, split composition ---- */
.kb-hero {
  padding-block: 0;
  background: var(--surface-ink);
  border-bottom: 3px solid var(--signal);
}
.kb-hero-inner {
  max-width: var(--shell-max);
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: start;
  padding-inline: var(--pad-x);
  padding-block: clamp(2.8rem, 7vw, 5rem) clamp(2.2rem, 5vw, 3.4rem);
}
.kb-brand-mark {
  font-family: var(--ff-display);
  font-weight: 800;
  font-size: clamp(2.6rem, 8vw, 5.2rem);
  line-height: 0.95;
  letter-spacing: -0.03em;
  color: #fff;
  margin: 0;
  position: relative;
  padding-inline-start: 0.85rem;
  border-inline-start: 5px solid var(--signal);
}
html[lang="ar"] .kb-brand-mark { letter-spacing: 0; }
.kb-hero .kb-title { margin-top: 1.5rem; max-width: 18ch; }
.kb-hero .kb-assure { margin-top: 1.6rem; }

.kb-eyebrow {
  display: inline-flex; align-items: center; gap: .55rem;
  font-family: var(--ff-mono); font-size: .74rem;
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--signal);
  background: transparent;
  border: 1px solid rgba(47,212,166,0.35);
  padding: 6px 14px; border-radius: 0;
}
html[lang="ar"] .kb-eyebrow { font-family: var(--ff-body); letter-spacing: 0; text-transform: none; font-size: .84rem; }
.kb-eyebrow-dot {
  width: 6px; height: 6px; border-radius: 0;
  background: var(--signal);
}
.kb-title {
  font-family: var(--ff-display); font-weight: 700;
  font-size: clamp(2.1rem, 5.5vw, 3.6rem);
  line-height: 1.06; letter-spacing: -.015em;
  margin-top: 1.3rem; color: #fff;
}
html[lang="en"] .kb-title { font-weight: 800; }
.kb-title .accent { color: var(--signal); }
.kb-lead {
  margin: 1.15rem 0 0; max-width: 52ch;
  color: rgba(255,255,255,0.72);
  font-size: clamp(1.02rem, 2.4vw, 1.12rem); line-height: 1.75;
}

/* CTA rail */
.kb-search {
  display: flex; flex-wrap: wrap; align-items: stretch; gap: 0.6rem;
  max-width: none; margin: 1.8rem 0 0;
  background: transparent;
  border: none; border-radius: 0; padding: 0;
}
.kb-search-ic, .kb-search-ph { display: none; }
.kb-search-go {
  flex: none; background: var(--signal); color: var(--surface-ink);
  text-decoration: none; font-weight: 700;
  font-size: .92rem; padding: 0.85rem 1.5rem;
  border-radius: 0; border: 1.5px solid var(--signal);
  transition: background .18s ease, color .18s ease, border-color .18s ease;
}
.kb-search-go:hover { background: #26b88f; border-color: #26b88f; color: var(--surface-ink); text-decoration: none; }
.kb-search-go--ghost {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.35);
}
.kb-search-go--ghost:hover {
  background: rgba(255,255,255,0.08);
  border-color: var(--signal);
  color: var(--signal);
}

.kb-chips {
  display: flex; flex-wrap: wrap; gap: .45rem;
  margin-top: 1.1rem; justify-content: flex-start;
}
.kb-chip {
  font-family: var(--ff-mono); font-size: .78rem;
  color: rgba(255,255,255,0.75);
  background: transparent;
  border: 1px solid rgba(255,255,255,0.18);
  padding: 5px 12px; border-radius: 0;
  text-decoration: none;
  transition: border-color .16s ease, color .16s ease;
}
html[lang="ar"] .kb-chip { font-family: var(--ff-body); }
.kb-chip:hover { border-color: var(--signal); color: var(--signal); }

.kb-assure {
  list-style: none;
  display: flex; flex-wrap: wrap; gap: .6rem 1.4rem;
  margin: 1.5rem 0 0; padding: 0;
  justify-content: flex-start;
}
.kb-assure li {
  display: inline-flex; align-items: center; gap: .45rem;
  font-size: .88rem; color: rgba(255,255,255,0.6); font-weight: 500;
}
.kb-assure svg { width: 15px; height: 15px; color: var(--signal); flex: none; }

.kb-facts {
  grid-column: 2;
  grid-row: 1 / span 6;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 0; margin: 0;
  background: rgba(255,255,255,0.03);
  border-inline-start: 1px solid rgba(255,255,255,0.1);
  align-self: stretch;
}
.kb-fact {
  background: transparent;
  padding: 1.4rem 1.2rem;
  text-align: start;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  border-inline-end: 1px solid rgba(255,255,255,0.08);
}
.kb-fact:nth-child(2n) { border-inline-end: none; }
.kb-fact:nth-last-child(-n+2) { border-bottom: none; }
.kb-fact dt {
  font-family: var(--ff-mono); font-weight: 700;
  font-size: 1.6rem; color: var(--signal); line-height: 1;
}
.kb-fact dd {
  margin: .45rem 0 0;
  font-size: .8rem; color: rgba(255,255,255,0.55); line-height: 1.5;
}

/* ---- TOPICS — numbered spine list ---- */
.kb-topics {
  display: flex; flex-direction: column; gap: 0;
  counter-reset: kb-topic;
  border-top: 2px solid var(--surface-ink);
}
.kb-topic {
  counter-increment: kb-topic;
  display: grid;
  grid-template-columns: 4.5rem 1fr auto;
  grid-template-rows: auto auto;
  align-items: center;
  gap: 0 1.2rem;
  background: var(--surface-card);
  border: none;
  border-bottom: 1px solid var(--rule);
  padding: 1.35rem 0.5rem;
  text-decoration: none; color: inherit;
  border-radius: 0;
  transition: background .16s ease, padding-inline .16s ease;
}
.kb-topic::before {
  content: counter(kb-topic, decimal-leading-zero);
  font-family: var(--ff-mono);
  font-size: 1.8rem; font-weight: 700;
  color: var(--maroon);
  line-height: 1;
  padding-inline-start: 0.5rem;
  grid-row: 1 / span 2;
}
.kb-topic:hover {
  background: var(--surface-band);
  padding-inline: 1rem;
}
.kb-topic-ic { display: none; }
.kb-topic-t {
  grid-column: 2; grid-row: 1;
  font-family: var(--ff-display); font-weight: 700;
  font-size: 1.15rem; line-height: 1.25;
}
.kb-topic-d {
  grid-column: 2; grid-row: 2;
  margin-top: .35rem;
  color: var(--text-soft); font-size: .92rem; line-height: 1.55;
}
.kb-topic-go {
  grid-column: 3; grid-row: 1 / span 2;
  font-family: var(--ff-mono); font-size: .78rem; font-weight: 600;
  color: var(--signal-ink); letter-spacing: .02em;
  white-space: nowrap; align-self: center;
}
html[lang="ar"] .kb-topic-go { font-family: var(--ff-body); }

/* ---- reference TABLE — dense atlas ---- */
.kb-table-wrap {
  overflow-x: auto;
  background: var(--surface-card);
  border: 1px solid var(--rule);
  border-radius: 0;
}
.kb-table {
  width: 100%; border-collapse: collapse; min-width: 560px;
}
.kb-table th, .kb-table td {
  text-align: start; padding: .7rem 1rem;
  border-bottom: 1px solid var(--rule);
  font-size: .9rem; vertical-align: middle;
}
.kb-table thead th {
  background: var(--surface-ink);
  font-family: var(--ff-mono);
  font-size: .68rem; letter-spacing: .12em; text-transform: uppercase;
  color: #8fa3b8; font-weight: 600;
  border-bottom: 2px solid var(--signal);
}
html[lang="ar"] .kb-table thead th { font-family: var(--ff-body); letter-spacing: 0; text-transform: none; font-size: .8rem; }
.kb-table tbody tr:last-child td { border-bottom: none; }
.kb-table tbody tr:hover { background: var(--surface-band); }
.kb-table td b { font-weight: 700; }
.kb-th-reach { width: 34%; }
.kb-gen {
  display: inline-block; font-family: var(--ff-mono);
  font-size: .7rem; font-weight: 600;
  color: var(--maroon); background: var(--maroon-wash);
  border: 1px solid var(--maroon-line);
  padding: 2px 8px; border-radius: 0;
}
.kb-gen-soft { color: var(--text-mute); background: transparent; border-style: dashed; }
.kb-bar {
  display: inline-block; width: calc(100% - 52px); height: 6px;
  background: var(--surface-band);
  border-radius: 0; overflow: hidden; vertical-align: middle;
}
.kb-bar i {
  display: block; height: 100%;
  background: var(--signal);
  border-radius: 0;
}
.kb-bar-n {
  display: inline-block; width: 44px; text-align: end;
  font-family: var(--ff-mono); font-weight: 600;
  font-size: .82rem; color: var(--text-soft);
}

/* ---- info NOTE ---- */
.kb-note {
  display: flex; gap: .85rem; align-items: flex-start;
  margin-top: 1.6rem;
  background: var(--surface-card);
  border: 1px solid var(--rule);
  border-inline-start: 4px solid var(--signal);
  border-radius: 0; padding: 1.1rem 1.25rem;
}
.kb-note-ic { flex: none; color: var(--signal); display: inline-flex; }
.kb-note-ic svg { width: 22px; height: 22px; }
.kb-note p { margin: 0; font-size: .95rem; line-height: 1.65; color: var(--text-soft); }
.kb-note strong { color: var(--text); }
.kb-note a {
  color: var(--maroon); font-weight: 600; text-decoration: none;
  border-bottom: 1px solid var(--maroon-line);
}
.kb-note a:hover { color: var(--signal-ink); border-color: var(--signal); }
.kb-note-signal { border-inline-start-color: var(--maroon); }
.kb-note-signal .kb-note-ic { color: var(--maroon); }

/* ---- PLAN definitions ---- */
.kb-defs { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0; border: 1px solid var(--rule); }
.kb-def {
  display: flex; flex-direction: column; align-items: flex-start;
  background: var(--surface-card);
  border-bottom: 1px solid var(--rule);
  border-inline-end: 1px solid var(--rule);
  border-radius: 0; padding: 1.3rem 1.35rem;
}
.kb-def:nth-child(2n) { border-inline-end: none; }
.kb-def-term {
  font-family: var(--ff-display); font-weight: 700;
  font-size: 1.12rem; color: var(--maroon);
}
.kb-def-body {
  margin-top: .6rem; font-size: .95rem;
  line-height: 1.7; color: var(--text-soft);
}
.kb-def-body b { color: var(--text); font-weight: 700; }
.kb-def-tag {
  margin-top: .9rem; font-family: var(--ff-mono);
  font-size: .7rem; letter-spacing: .04em;
  color: var(--signal-ink); background: var(--signal-wash);
  padding: 3px 10px; border-radius: 0;
  border: 1px solid rgba(47,212,166,0.35);
}
html[lang="ar"] .kb-def-tag { font-family: var(--ff-body); letter-spacing: 0; font-size: .8rem; }

/* ---- wired vs wireless SPLIT ---- */
.kb-split { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0; border: 1px solid var(--rule); }
.kb-split-card {
  background: var(--surface-card);
  border-inline-end: 1px solid var(--rule);
  border-radius: 0; padding: 1.6rem 1.5rem;
}
.kb-split-card:last-child { border-inline-end: none; }
.kb-split-card.kb-split-air {
  background: var(--surface-band);
  border-top: 3px solid var(--signal);
}
.kb-split-flag {
  display: inline-block; font-family: var(--ff-mono);
  font-size: .7rem; letter-spacing: .08em; text-transform: uppercase;
  color: var(--maroon);
  background: transparent;
  border: 1px solid var(--maroon-line);
  padding: 3px 10px; border-radius: 0;
}
html[lang="ar"] .kb-split-flag { font-family: var(--ff-body); letter-spacing: 0; text-transform: none; font-size: .8rem; }
.kb-split-card h3 {
  font-family: var(--ff-display); font-weight: 700;
  font-size: 1.32rem; margin-top: .9rem;
}
.kb-split-card > p {
  margin-top: .55rem; color: var(--text-soft);
  font-size: .96rem; line-height: 1.65;
}
.kb-split-list {
  list-style: none; margin: 1.1rem 0 0; padding: 0;
  display: grid; gap: .55rem;
}
.kb-split-list li {
  display: flex; gap: .55rem; align-items: flex-start;
  font-size: .93rem; color: var(--text); line-height: 1.5;
  border-bottom: 1px solid var(--rule); padding-bottom: .5rem;
}
.kb-split-list li:last-child { border-bottom: none; }
.kb-split-list svg { width: 16px; height: 16px; color: var(--signal); flex: none; margin-top: .15rem; }
.kb-split-spec {
  display: flex; gap: 1.6rem; margin-top: 1.2rem;
  padding-top: 1.1rem; border-top: 2px solid var(--maroon);
}
.kb-split-air .kb-split-spec { border-top-color: var(--signal); }
.kb-split-spec div { display: flex; flex-direction: column; }
.kb-split-spec b {
  font-family: var(--ff-mono); font-weight: 700;
  font-size: 1rem; color: var(--maroon);
}
.kb-split-spec span { font-size: .78rem; color: var(--text-mute); margin-top: .1rem; }

/* ---- WIFI places ---- */
.kb-places {
  list-style: none; margin: 0; padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 0;
  border: 1px solid var(--rule);
}
.kb-place {
  display: flex; flex-direction: column; align-items: flex-start;
  background: var(--surface-card);
  border-inline-end: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  border-radius: 0; padding: 1.3rem 1.3rem;
}
.kb-place-ic {
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px;
  border-radius: 0;
  background: var(--maroon-wash); color: var(--maroon);
  margin-bottom: .85rem;
  border-inline-start: 3px solid var(--signal);
}
.kb-place-ic svg { width: 20px; height: 20px; }
.kb-place-t {
  font-family: var(--ff-display); font-weight: 700;
  font-size: 1.08rem;
}
.kb-place-d {
  margin-top: .35rem; color: var(--text-soft);
  font-size: .9rem; line-height: 1.55;
}
.kb-place-avail {
  margin-top: .9rem; font-family: var(--ff-mono);
  font-size: .72rem; font-weight: 600; letter-spacing: .03em;
  padding: 3px 10px; border-radius: 0;
  border: 1px solid var(--rule);
}
html[lang="ar"] .kb-place-avail { font-family: var(--ff-body); letter-spacing: 0; font-size: .8rem; }
.kb-avail-hi { color: var(--maroon); background: var(--maroon-wash); border-color: var(--maroon-line); }
.kb-avail-mid { color: var(--signal-ink); background: var(--signal-wash); border-color: rgba(47,212,166,0.35); }

/* ---- GENERATIONS ---- */
.kb-gens {
  display: grid; grid-template-columns: repeat(5, 1fr);
  gap: 0; border: 1px solid var(--rule);
}
.kb-gen-card {
  display: flex; flex-direction: column; align-items: flex-start;
  background: var(--surface-card);
  border-inline-end: 1px solid var(--rule);
  border-radius: 0; padding: 1.2rem 1.15rem;
  font-size: .88rem; color: var(--text-soft); line-height: 1.55;
}
.kb-gen-card:last-child { border-inline-end: none; }
.kb-gen-card b {
  font-family: var(--ff-display); font-weight: 700;
  font-size: 1.02rem; color: var(--text);
  margin: .5rem 0 .3rem;
}
.kb-gen-badge {
  font-family: var(--ff-mono); font-weight: 700;
  font-size: 1.4rem; color: var(--maroon);
}
.kb-gen-when {
  font-family: var(--ff-mono); font-size: .66rem;
  letter-spacing: .08em; text-transform: uppercase;
  color: var(--text-mute); margin-top: .3rem;
}
html[lang="ar"] .kb-gen-when { font-family: var(--ff-body); letter-spacing: 0; text-transform: none; font-size: .76rem; }
.kb-gen-card.kb-gen-now {
  background: var(--surface-ink);
  border-top: 3px solid var(--signal);
  color: rgba(255,255,255,.72);
}
.kb-gen-now .kb-gen-badge, .kb-gen-now b { color: #fff; }
.kb-gen-now .kb-gen-when { color: var(--signal); }
.kb-foot-note { margin-top: 1.4rem; font-size: .85rem; color: var(--text-mute); line-height: 1.6; }

/* ---- FAQ accordion ---- */
.kb-faq {
  max-width: 820px;
  background: var(--surface-card);
  border: 1px solid var(--rule);
  border-radius: 0; overflow: hidden;
}
.kb-faq-item { border-bottom: 1px solid var(--rule); }
.kb-faq-item:last-child { border-bottom: none; }
.kb-faq-q {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding: 1.15rem 1.4rem;
  cursor: pointer; list-style: none;
  font-family: var(--ff-display); font-weight: 700;
  font-size: 1.05rem; line-height: 1.4; color: var(--text);
  border-inline-start: 3px solid transparent;
  transition: color .16s ease, border-color .16s ease;
}
.kb-faq-q::-webkit-details-marker { display: none; }
.kb-faq-q:hover { color: var(--maroon); }
.kb-faq-item[open] .kb-faq-q {
  color: var(--maroon);
  border-inline-start-color: var(--signal);
}
.kb-faq-mark { position: relative; flex: none; width: 18px; height: 18px; }
.kb-faq-mark::before, .kb-faq-mark::after {
  content: ""; position: absolute;
  background: var(--maroon); border-radius: 0;
  transition: transform .2s ease, opacity .2s ease;
}
.kb-faq-mark::before { top: 8px; inset-inline: 0; height: 2px; }
.kb-faq-mark::after { inset-block: 0; inset-inline-start: 8px; width: 2px; }
.kb-faq-item[open] .kb-faq-mark::after { transform: scaleY(0); opacity: 0; }
.kb-faq-a { padding: 0 1.4rem 1.3rem; border-inline-start: 3px solid var(--signal-wash); }
.kb-faq-a p {
  margin: 0; color: var(--text-soft);
  font-size: .97rem; line-height: 1.75; max-width: 68ch;
}
.kb-faq-qt { flex: 1; }

/* ---- GUIDES feed ---- */
.kb-guides {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 0; border: 1px solid var(--rule);
}
.kb-guide {
  display: flex; flex-direction: column;
  background: var(--surface-card);
  border-inline-end: 1px solid var(--rule);
  border-radius: 0; overflow: hidden;
  text-decoration: none; color: inherit;
  transition: background .16s ease;
}
.kb-guide:last-child { border-inline-end: none; }
.kb-guide:hover { background: var(--surface-band); border-color: var(--rule); }
.kb-guide-thumb { display: block; border-bottom: 1px solid var(--rule); }
.kb-guide-thumb svg { display: block; width: 100%; height: auto; }
.kb-guide-body {
  padding: 1.2rem 1.3rem 1.4rem;
  display: flex; flex-direction: column; align-items: flex-start;
  border-top: 3px solid transparent;
  transition: border-color .16s ease;
}
.kb-guide:hover .kb-guide-body { border-top-color: var(--signal); }
.kb-guide-kier {
  font-family: var(--ff-mono); font-size: .68rem;
  letter-spacing: .1em; text-transform: uppercase;
  color: var(--signal-ink);
}
html[lang="ar"] .kb-guide-kier { font-family: var(--ff-body); letter-spacing: 0; text-transform: none; font-size: .8rem; }
.kb-guide-title {
  font-family: var(--ff-display); font-weight: 700;
  font-size: 1.14rem; line-height: 1.3; margin-top: .5rem;
}
.kb-guide-dek {
  margin-top: .45rem; color: var(--text-soft);
  font-size: .92rem; line-height: 1.55;
}
.kb-guide-meta {
  margin-top: .9rem; font-family: var(--ff-mono);
  font-size: .78rem; color: var(--maroon); font-weight: 600;
}
html[lang="ar"] .kb-guide-meta { font-family: var(--ff-body); }

/* ---- CONTACT / ASK (ink) ---- */
.kb-sec.kb-ink {
  background: var(--surface-ink);
  color: rgba(255,255,255,.82);
  border-top: 3px solid var(--signal);
}
.kb-ink .kb-kier { color: var(--signal); }
.kb-ink .kb-h2 { color: #fff; }
.kb-ink .kb-sub { color: rgba(255,255,255,.65); }
.kb-ink .kb-head { border-inline-start-color: var(--signal); }
.kb-contact {
  display: grid; grid-template-columns: 1.3fr 1fr;
  gap: clamp(1.6rem, 4vw, 3rem); align-items: start;
}
.kb-contact-rows {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 1.2rem 1.6rem; margin-top: 1.6rem;
}
.kb-contact-line { display: flex; gap: .75rem; align-items: flex-start; }
.kb-contact-ic {
  display: inline-flex; align-items: center; justify-content: center;
  width: 38px; height: 38px;
  border-radius: 0;
  background: rgba(47,212,166,0.12); color: var(--signal);
  flex: none;
  border: 1px solid rgba(47,212,166,0.25);
}
.kb-contact-ic svg { width: 20px; height: 20px; }
.kb-contact-key {
  font-family: var(--ff-mono); font-size: .68rem;
  letter-spacing: .1em; text-transform: uppercase;
  color: rgba(255,255,255,.45);
}
html[lang="ar"] .kb-contact-key { font-family: var(--ff-body); letter-spacing: 0; text-transform: none; font-size: .78rem; }
.kb-contact-val { font-size: .98rem; font-weight: 500; color: #fff; }
.kb-contact-val a {
  color: #fff; text-decoration: none;
  border-bottom: 1px solid rgba(255,255,255,.25);
}
.kb-contact-val a:hover { border-color: var(--signal); color: var(--signal); }
.kb-nosell {
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 0; padding: 1.5rem 1.5rem;
  border-inline-start: 4px solid var(--signal);
}
.kb-nosell h3 {
  font-family: var(--ff-display); font-weight: 700;
  font-size: 1.24rem; color: #fff;
}
.kb-nosell p {
  margin-top: .7rem; font-size: .95rem;
  line-height: 1.7; color: rgba(255,255,255,.65);
}
.kb-src {
  display: inline-flex; align-items: center; gap: .5rem;
  margin-top: 1.1rem;
  font-family: var(--ff-mono); font-size: .84rem; font-weight: 600;
  color: var(--surface-ink); background: var(--signal);
  text-decoration: none;
  border: 1px solid var(--signal); padding: 8px 15px;
  border-radius: 0;
  transition: background .16s ease;
}
html[lang="ar"] .kb-src { font-family: var(--ff-body); }
.kb-src:hover { background: #26b88f; border-color: #26b88f; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 960px) {
  .lede-grid { grid-template-columns: 1fr; }
  .lede-copy { max-width: none; }
  .reise-wrap { grid-template-columns: 1fr; }
  .spec { grid-template-columns: 1fr; }
  .spec-figure { min-height: 240px; border-inline-end: none; border-bottom: 1px solid var(--rule); }
  .reach-grid { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .kb-hero-inner { grid-template-columns: 1fr; }
  .kb-facts {
    grid-column: 1; grid-row: auto;
    border-inline-start: none;
    border-top: 1px solid rgba(255,255,255,0.1);
  }
}

@media (max-width: 900px) {
  .kb-guides { grid-template-columns: repeat(2, 1fr); }
  .kb-guides .kb-guide:nth-child(2) { border-inline-end: none; }
  .kb-guides .kb-guide:last-child { border-inline-end: none; border-top: 1px solid var(--rule); }
  .kb-defs, .kb-split, .kb-contact { grid-template-columns: 1fr; }
  .kb-def { border-inline-end: none; }
  .kb-split-card { border-inline-end: none; border-bottom: 1px solid var(--rule); }
  .kb-split-card:last-child { border-bottom: none; }
  .kb-gens { grid-template-columns: repeat(2, 1fr); }
  .kb-gen-card { border-bottom: 1px solid var(--rule); }
  .kb-gen-card:nth-child(2n) { border-inline-end: none; }
  .kb-facts { grid-template-columns: repeat(2, 1fr); }
  .kb-contact-rows { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .mast-nav {
    position: absolute; inset-inline: 0; top: 100%;
    background: var(--surface-card); border-bottom: 1px solid var(--rule);
    padding: 0.6rem var(--pad-x) 1.1rem;
    display: none;
  }
  .mast.is-open .mast-nav { display: block; }
  .mast-links { flex-direction: column; align-items: stretch; gap: 0; }
  .mast-link { padding: 0.85rem 0.4rem; border-bottom: 1px solid var(--rule); border-radius: 0; }
  .mast-cta { margin-inline-start: 0; margin-top: 0.8rem; justify-content: center; }
  .mast-toggle { display: inline-flex; }
  .limits { grid-template-columns: 1fr 1fr; }
  .rhythm { grid-template-columns: 1fr 1fr; }
  .rank-row { grid-template-columns: 1fr auto; grid-template-areas: "label num" "track track"; gap: 0.5rem 1rem; }
  .rank-label { grid-area: label; }
  .rank-num { grid-area: num; }
  .rank-track { grid-area: track; }
  .rank-axis { padding-inline-start: 0; }
  .spec-metrics { grid-template-columns: 1fr 1fr; }
  .doc-layout { grid-template-columns: 1fr; }
  .doc-toc { position: static; display: none; }
  .pillars { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr; }
  .feed-row { grid-template-columns: 92px 1fr; }
  .feed-thumb { width: 92px; height: 66px; }
  .feed-go { display: none; }
  .feed-meta { grid-column: 2; text-align: start; margin-top: 0.3rem; }
  .disclaimer-inner { flex-direction: column; align-items: flex-start; }
  .consent { grid-template-columns: 1fr; }
  .consent-actions { justify-content: stretch; }
  .consent-actions .cta, .consent-actions .cta-line { flex: 1; justify-content: center; }
  .kb-topic { grid-template-columns: 3.5rem 1fr; }
  .kb-topic-go { display: none; }
  .kb-guides { grid-template-columns: 1fr; }
  .kb-guide { border-inline-end: none; border-bottom: 1px solid var(--rule); }
}

@media (max-width: 560px) {
  .kb-gens { grid-template-columns: 1fr; }
  .kb-gen-card { border-inline-end: none; }
  .kb-search { flex-direction: column; width: 100%; gap: 0.55rem; }
  .kb-search-go { text-align: center; width: 100%; }
  .table-scroll { overflow-x: visible; border: 0; background: transparent; border-radius: 0; }
  .net-table { min-width: 0; font-size: 0.96rem; }
  .net-table thead { display: none; }
  .net-table, .net-table tbody, .net-table tr, .net-table td { display: block; width: 100%; }
  .net-table tr {
    border: 1px solid var(--rule); border-radius: 0;
    background: var(--surface-card); margin-bottom: 0.7rem;
    padding: 0.55rem 0.2rem;
  }
  .net-table td { border: 0 !important; padding: 0.28rem 1rem; }
  .net-table td.ax-path { color: var(--maroon); font-weight: 600; }
  .net-table td.ax-len { font-family: var(--ff-mono); color: var(--text-mute); }
}

@media (max-width: 460px) {
  .limits { grid-template-columns: 1fr; }
  .rhythm { grid-template-columns: 1fr; }
  .tiles { grid-template-columns: 1fr 1fr; }
  .spec-metrics { grid-template-columns: 1fr; }
  .util-status { display: none; }
  .kb-facts { grid-template-columns: 1fr; }
  .kb-fact { border-inline-end: none; }
}