/* ============================================================
   CtrlShift — B1 "Night Signal" Design System
   Dark cinematic flagship. Navy void canvas, lime as the single
   luminous signal, hairline structure, whisper-weight type.
   Replaces tokens.css/main.css/enhancements*.css on B1 pages.
   ============================================================ */

/* ── Fonts (shared /fonts, URLs relative to this file) ────── */
@font-face { font-family: 'IBM Plex Sans Arabic'; font-style: normal; font-weight: 300; font-display: swap;
  src: url('fonts/IBMPlexSansArabic-Light.ttf?v=20260930') format('truetype'); }
@font-face { font-family: 'IBM Plex Sans Arabic'; font-style: normal; font-weight: 400; font-display: swap;
  src: url('fonts/IBMPlexSansArabic-Regular.ttf?v=20260930') format('truetype'); }
@font-face { font-family: 'IBM Plex Sans Arabic'; font-style: normal; font-weight: 500; font-display: swap;
  src: url('fonts/IBMPlexSansArabic-Medium.ttf?v=20260930') format('truetype'); }
@font-face { font-family: 'IBM Plex Sans Arabic'; font-style: normal; font-weight: 600; font-display: swap;
  src: url('fonts/IBMPlexSansArabic-SemiBold.ttf?v=20260930') format('truetype'); }
@font-face { font-family: 'Inter'; font-style: normal; font-weight: 400; font-display: swap;
  src: url('fonts/Inter_18pt-Regular.ttf?v=20260930') format('truetype'); }
@font-face { font-family: 'Inter'; font-style: normal; font-weight: 500; font-display: swap;
  src: url('fonts/Inter_18pt-Medium.ttf?v=20260930') format('truetype'); }
@font-face { font-family: 'Inter'; font-style: normal; font-weight: 600; font-display: swap;
  src: url('fonts/Inter_18pt-SemiBold.ttf?v=20260930') format('truetype'); }
@font-face { font-family: 'Inter Display'; font-style: normal; font-weight: 400; font-display: swap;
  src: url('fonts/Inter_28pt-Regular.ttf?v=20260930') format('truetype'); }
@font-face { font-family: 'Inter Display'; font-style: normal; font-weight: 500; font-display: swap;
  src: url('fonts/Inter_28pt-Medium.ttf?v=20260930') format('truetype'); }

/* ── Tokens ───────────────────────────────────────────────── */
:root {
  /* Brand anchors */
  --cs-blue:   #054886;
  --cs-navy:   #0F1C2E;
  --cs-lime:   #A3BD18;

  /* Night canvas (derived from navy, deepened) */
  --void:      #060B14;
  --surface-1: #0A1322;
  --surface-2: #0F1B2E;
  --surface-3: #14243C;

  /* Structure */
  --hairline:        rgba(226, 234, 245, .09);
  --hairline-strong: rgba(226, 234, 245, .16);

  /* Ink */
  --ink:        #EAF0F8;
  --ink-muted:  #97A2B4;
  --ink-subtle: #8591A3; /* was #5F6B7D (2.9–3.7:1); now ≥4.8:1 on every surface */

  /* Signal — lime is rationed: eyebrows, key CTA, live numerals */
  --signal:        var(--cs-lime);
  --signal-bright: #C7E32B;
  --signal-dim:    rgba(163, 189, 24, .14);
  --signal-glow:   rgba(163, 189, 24, .35);

  /* Luminous blue — atmosphere only (aurora, glows), never text */
  --lumen-blue:   #2E7CD6;
  --lumen-bright: #63A9F5;

  /* Status */
  --error:   #E4695C;
  --success: var(--signal-bright);

  /* Type */
  --font-en:   'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-disp: 'Inter Display', 'Inter', system-ui, sans-serif;
  --font-ar:   'IBM Plex Sans Arabic', 'Inter', sans-serif;
  --font-mono: ui-monospace, 'Cascadia Code', 'Segoe UI Mono', Consolas, monospace;

  --text-display: clamp(52px, 8.5vw, 118px);
  --text-title:   clamp(34px, 4.6vw, 62px);
  --text-heading: clamp(24px, 2.6vw, 34px);
  --text-lede:    clamp(17px, 1.6vw, 21px);
  --text-body:    16px;
  --text-small:   14px;
  --text-mono:    12px;

  /* Rhythm */
  --gap-section: clamp(96px, 12vw, 176px);
  --gap-block:   clamp(40px, 5vw, 72px);
  --page-max:    1280px;
  --page-pad:    clamp(20px, 4vw, 48px);

  /* Shape: cards sharp, pills round — nothing in between */
  --radius-pill:  999px;
  --radius-input: 10px;

  --ease-out: cubic-bezier(.16, 1, .3, 1);
}

/* ── Reset / base ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--void);
  color: var(--ink);
  font-family: var(--font-en);
  font-size: var(--text-body);
  line-height: 1.6;
  letter-spacing: -.011em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
html[lang="ar"] body { font-family: var(--font-ar); letter-spacing: 0; }
html[lang="ar"] .b1-display,
html[lang="ar"] h1, html[lang="ar"] h2, html[lang="ar"] h3, html[lang="ar"] h4 {
  font-family: var(--font-ar); letter-spacing: 0;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
::selection { background: var(--signal); color: var(--void); }

h1, h2, h3, h4 { font-family: var(--font-disp); font-weight: 400; margin: 0 0 .5em; }
p { margin: 0 0 1em; color: var(--ink-muted); }
p:last-child { margin-bottom: 0; }

/* Focus visibility */
:focus-visible { outline: 2px solid var(--signal); outline-offset: 3px; }

/* ── Layout primitives ────────────────────────────────────── */
.b1-container { max-width: var(--page-max); margin-inline: auto; padding-inline: var(--page-pad); }
.b1-section { padding-block: calc(var(--gap-section) / 2); position: relative; }
.b1-section + .b1-section { padding-top: calc(var(--gap-section) / 2); }

/* Chapter header: mono eyebrow + ghost number + title */
.b1-chapter { position: relative; margin-bottom: var(--gap-block); }
.b1-eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-mono);
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--signal);
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 22px;
}
.b1-eyebrow::before { content: ''; width: 34px; height: 1px; background: var(--signal); opacity: .7; }
html[lang="ar"] .b1-eyebrow { font-family: var(--font-ar); letter-spacing: .06em; font-size: 13px; }

.b1-ghost-num {
  position: absolute;
  top: -0.28em;
  inset-inline-end: 0;
  font-family: var(--font-disp);
  font-size: clamp(96px, 16vw, 220px);
  line-height: 1;
  font-weight: 400;
  color: transparent;
  -webkit-text-stroke: 1px rgba(226, 234, 245, .07);
  pointer-events: none;
  user-select: none;
  z-index: 0;
}
.b1-title {
  font-size: var(--text-title);
  line-height: 1.06;
  letter-spacing: -.025em;
  max-width: 20ch;
  position: relative; z-index: 1;
}
.b1-lede { font-size: var(--text-lede); line-height: 1.55; max-width: 62ch; color: var(--ink-muted); }

/* Shiny sweep on a highlighted headline word */
.b1-shine {
  background: linear-gradient(110deg,
    var(--ink) 40%, var(--signal-bright) 50%, var(--ink) 60%);
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  animation: b1-shine 5s linear infinite;
}
/* one clean edge-to-edge sweep (0–60%), then rest fully off-text before
   looping — the highlight band never restarts mid-word */
@keyframes b1-shine {
  0%   { background-position: 130% 0; }
  60%  { background-position: -30% 0; }
  100% { background-position: -30% 0; }
}

/* ── Buttons ──────────────────────────────────────────────── */
.b1-btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-en);
  font-size: 15px; font-weight: 500;
  padding: 14px 30px;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .35s var(--ease-out), box-shadow .35s var(--ease-out),
              background .25s, border-color .25s, color .25s;
  white-space: nowrap;
}
html[lang="ar"] .b1-btn { font-family: var(--font-ar); }
.b1-btn svg { transition: transform .35s var(--ease-out); }
.b1-btn:hover svg { transform: translateX(4px); }
html[dir="rtl"] .b1-btn svg { transform: scaleX(-1); }
html[dir="rtl"] .b1-btn:hover svg { transform: scaleX(-1) translateX(4px); }

.b1-btn-signal {
  background: var(--signal); color: var(--void);
  font-weight: 600;
}
.b1-btn-signal:hover {
  background: var(--signal-bright);
  box-shadow: 0 0 32px var(--signal-glow);
  transform: translateY(-2px);
}
.b1-btn-ghost {
  background: transparent; color: var(--ink);
  border-color: var(--hairline-strong);
}
.b1-btn-ghost:hover { border-color: var(--ink); transform: translateY(-2px); }
.b1-btn-link {
  padding: 0; border: 0; background: none;
  color: var(--signal); font-weight: 500; border-radius: 0;
}
.b1-btn-link:hover { color: var(--signal-bright); }

/* ── Navigation ───────────────────────────────────────────── */
.b1-nav {
  position: fixed; top: 0; inset-inline: 0; z-index: 100;
  transition: background .4s, border-color .4s, backdrop-filter .4s;
  border-bottom: 1px solid transparent;
}
.b1-nav.scrolled {
  background: rgba(6, 11, 20, .78);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom-color: var(--hairline);
}
.b1-nav-inner {
  max-width: var(--page-max); margin-inline: auto;
  padding: 0 var(--page-pad);
  height: 76px;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.b1-nav-logo img { height: 30px; width: auto; }
.b1-nav-links { display: flex; align-items: center; gap: 34px; list-style: none; margin: 0; padding: 0; }
.b1-nav-links > li { position: relative; }
.b1-nav-links a {
  font-family: var(--font-mono);
  font-size: 12px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--ink-muted);
  padding: 6px 0;
  transition: color .25s;
  display: inline-flex; align-items: center; gap: 6px;
}
html[lang="ar"] .b1-nav-links a { font-family: var(--font-ar); font-size: 13.5px; letter-spacing: .03em; }
.b1-nav-links a:hover, .b1-nav-links a.active { color: var(--ink); }
.b1-nav-links a.active::after {
  content: ''; position: absolute; bottom: -4px; inset-inline-start: 0;
  width: 18px; height: 2px; background: var(--signal);
}

/* Services dropdown — dark glass panel */
.b1-dropdown-wrap { position: relative; }
.b1-dropdown {
  position: absolute; top: calc(100% + 18px); inset-inline-start: -24px;
  /* the ::before bridge below keeps :hover alive across the 18px gap */
  min-width: 380px;
  background: rgba(10, 19, 34, .92);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  border: 1px solid var(--hairline-strong);
  padding: 10px;
  opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: opacity .3s var(--ease-out), transform .3s var(--ease-out), visibility .3s;
}
.b1-dropdown::before {
  content: ''; position: absolute; top: -18px; inset-inline: 0; height: 18px;
}
.b1-dropdown-wrap:hover .b1-dropdown,
.b1-dropdown-wrap.open .b1-dropdown,
.b1-dropdown-wrap:focus-within .b1-dropdown {
  opacity: 1; visibility: visible; transform: translateY(0);
}
.b1-dropdown a {
  display: flex; gap: 14px; align-items: baseline;
  padding: 14px 16px;
  font-family: var(--font-en); text-transform: none; letter-spacing: 0;
  transition: background .2s;
}
html[lang="ar"] .b1-dropdown a { font-family: var(--font-ar); }
.b1-dropdown a:hover { background: rgba(226, 234, 245, .05); }
.b1-dropdown a .num {
  font-family: var(--font-mono); font-size: 11px; color: var(--signal);
  letter-spacing: .1em; flex-shrink: 0;
}
.b1-dropdown a strong { display: block; font-weight: 500; font-size: 15px; color: var(--ink); }
.b1-dropdown a span.desc { display: block; font-size: 13px; color: var(--ink-subtle); margin-top: 3px; }

.b1-nav-right { display: flex; align-items: center; gap: 18px; }
.b1-nav .b1-btn { padding: 10px 22px; font-size: 13.5px; }

/* Language toggle — segmented hairline pill */
.b1-lang {
  display: inline-flex; border: 1px solid var(--hairline-strong);
  border-radius: var(--radius-pill); padding: 3px; gap: 2px;
}
.b1-lang button {
  font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .08em;
  background: none; border: 0; color: var(--ink-subtle);
  padding: 5px 12px; border-radius: var(--radius-pill); cursor: pointer;
  transition: background .25s, color .25s;
}
.b1-lang button.active { background: var(--ink); color: var(--void); font-weight: 600; }

/* Mobile menu trigger */
.b1-burger {
  display: none; background: none; border: 0; cursor: pointer;
  width: 40px; height: 40px; position: relative; z-index: 130;
}
.b1-burger span {
  display: block; width: 22px; height: 1.5px; background: var(--ink);
  margin: 5px auto; transition: transform .35s var(--ease-out), opacity .25s;
}
.b1-burger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.b1-burger.open span:nth-child(2) { opacity: 0; }
.b1-burger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* Full-screen overlay menu (mobile) */
.b1-menu {
  position: fixed; inset: 0; z-index: 120;
  background: rgba(6, 11, 20, .96);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  display: flex; flex-direction: column; justify-content: center;
  padding: 90px var(--page-pad) 40px;
  opacity: 0; visibility: hidden; transition: opacity .4s var(--ease-out), visibility .4s;
}
.b1-menu.open { opacity: 1; visibility: visible; }
.b1-menu a {
  font-family: var(--font-disp);
  font-size: clamp(28px, 7vw, 44px);
  line-height: 1.35;
  color: var(--ink);
  display: flex; align-items: baseline; gap: 16px;
  padding: 6px 0;
  transform: translateY(24px); opacity: 0;
  transition: transform .5s var(--ease-out), opacity .5s;
}
html[lang="ar"] .b1-menu a { font-family: var(--font-ar); }
.b1-menu.open a { transform: translateY(0); opacity: 1; }
.b1-menu a .num { font-family: var(--font-mono); font-size: 12px; color: var(--signal); letter-spacing: .12em; }
.b1-menu a.sub { font-size: clamp(17px, 4vw, 21px); color: var(--ink-muted); padding-inline-start: 38px; }
.b1-menu-foot { margin-top: auto; display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
/* The CTA lives inside .b1-menu, so undo the big menu-link type and keep normal button sizing */
.b1-menu .b1-menu-foot a.b1-btn {
  font-family: var(--font-en); font-size: 16px; line-height: 1.2; font-weight: 600;
  display: inline-flex; gap: 10px; padding: 14px 28px;
}
html[lang="ar"] .b1-menu .b1-menu-foot a.b1-btn { font-family: var(--font-ar); }

/* ── Hero ─────────────────────────────────────────────────── */
.b1-hero {
  min-height: 100svh;
  display: flex; flex-direction: column; justify-content: center;
  position: relative;
  padding-top: 76px;
  overflow: hidden;
}
.b1-hero-aurora {
  position: absolute; top: 0; inset-inline: 0; height: 68%; z-index: 0;
  opacity: .38;
  transform: scaleY(-1); /* ridge glows down from the top edge */
  pointer-events: none;
}
.b1-hero-aurora canvas { width: 100%; height: 100%; display: block; }
.b1-hero::after {
  /* gradual fade into the void at the hero base */
  content: ''; position: absolute; inset-inline: 0; bottom: 0; height: 34%;
  background: linear-gradient(to bottom, transparent, var(--void) 92%);
  z-index: 1; pointer-events: none;
}
.b1-hero-inner { position: relative; z-index: 2; padding-block: 60px; width: 100%; }
.b1-hero > .b1-container:last-child { margin-top: auto; width: 100%; }
.b1-display {
  font-family: var(--font-disp);
  font-size: var(--text-display);
  font-weight: 400;
  line-height: .98;
  letter-spacing: -.032em;
  margin: 0 0 28px;
  max-width: 12ch;
}
html[lang="ar"] .b1-display { line-height: 1.22; letter-spacing: 0; max-width: 16ch; }
.b1-hero .b1-lede { margin-bottom: 44px; }
.b1-hero-actions { display: flex; gap: 16px; flex-wrap: wrap; align-items: center; }

/* Hero meta strip — bottom-anchored technical readout */
.b1-hero-meta {
  position: relative; z-index: 2;
  margin-top: auto;
  border-top: 1px solid var(--hairline);
  display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}
.b1-hero-meta > div {
  padding: 22px 26px;
  border-inline-end: 1px solid var(--hairline);
}
.b1-hero-meta > div:last-child { border-inline-end: 0; }
.b1-hero-meta .k {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .16em;
  text-transform: uppercase; color: var(--ink-subtle); display: block; margin-bottom: 6px;
}
html[lang="ar"] .b1-hero-meta .k { font-family: var(--font-ar); letter-spacing: .04em; }
.b1-hero-meta .v { font-size: 15px; color: var(--ink); }

/* ── Index rows (services as an editorial index) ──────────── */
.b1-index { border-top: 1px solid var(--hairline); }
.b1-index-row {
  display: grid;
  grid-template-columns: 90px 1fr 1.1fr auto;
  gap: 28px; align-items: center;
  padding: 38px 8px;
  border-bottom: 1px solid var(--hairline);
  position: relative;
  transition: background .3s, padding-inline .35s var(--ease-out);
}
.b1-index-row:hover { background: rgba(226, 234, 245, .025); padding-inline: 20px; }
.b1-index-row .num {
  font-family: var(--font-mono); font-size: 13px; letter-spacing: .12em;
  color: var(--ink-subtle); transition: color .3s;
}
.b1-index-row:hover .num { color: var(--signal); }
.b1-index-row h3 {
  font-size: clamp(21px, 2.4vw, 30px); font-weight: 400;
  letter-spacing: -.02em; margin: 0; transition: color .3s;
}
.b1-index-row p { font-size: 15px; color: var(--ink-subtle); margin: 0; line-height: 1.55; }
.b1-index-row .arrow {
  width: 46px; height: 46px; border: 1px solid var(--hairline-strong);
  border-radius: var(--radius-pill);
  display: grid; place-items: center;
  color: var(--ink-muted);
  transition: background .3s, color .3s, border-color .3s, transform .35s var(--ease-out);
}
.b1-index-row:hover .arrow {
  background: var(--signal); border-color: var(--signal); color: var(--void);
  transform: rotate(-45deg);
}
html[dir="rtl"] .b1-index-row .arrow svg { transform: scaleX(-1); }
html[dir="rtl"] .b1-index-row:hover .arrow { transform: rotate(45deg); }

/* ── Split editorial (about) ──────────────────────────────── */
.b1-split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 6vw, 96px); align-items: center; }
.b1-figure { position: relative; overflow: hidden; }
.b1-figure img {
  width: 100%; height: 100%; object-fit: cover;
  filter: grayscale(.35) brightness(.72) contrast(1.05);
  transition: filter .5s var(--ease-out);
}
/* partner cards: photo lights up (duotone lifts) on hover */
.b1-team:hover .b1-figure img { filter: none; }
.b1-team:hover .b1-figure::after { opacity: 0; }
.b1-figure::after {
  /* navy duotone wash + edge fade so photography sits inside the night */
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(160deg, rgba(5, 72, 134, .38), rgba(6, 11, 20, .55)),
              radial-gradient(120% 90% at 50% 40%, transparent 55%, var(--void) 100%);
  mix-blend-mode: normal;
  transition: opacity .5s var(--ease-out);
}
.b1-figure .b1-figure-tag {
  position: absolute; bottom: 18px; inset-inline-start: 18px; z-index: 2;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .16em;
  text-transform: uppercase; color: rgba(234, 240, 248, .85);
  background: rgba(6, 11, 20, .55); backdrop-filter: blur(8px);
  padding: 8px 14px; border: 1px solid var(--hairline);
}

/* ── Stat tiles ───────────────────────────────────────────── */
.b1-stats {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  border: 1px solid var(--hairline);
}
.b1-stat {
  padding: clamp(24px, 3vw, 44px);
  border-inline-end: 1px solid var(--hairline);
  transition: background .3s;
}
.b1-stat:last-child { border-inline-end: 0; }
.b1-stat:hover { background: rgba(226, 234, 245, .025); }
.b1-stat .v {
  font-family: var(--font-disp);
  font-size: clamp(34px, 4vw, 56px); line-height: 1.1;
  color: var(--ink); letter-spacing: -.02em;
}
.b1-stat .v em { font-style: normal; color: var(--signal); }
.b1-stat .k { font-size: 13.5px; color: var(--ink-subtle); margin-top: 8px; }

/* ── Timeline (process) ───────────────────────────────────── */
.b1-timeline {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 0; position: relative; counter-reset: step;
}
.b1-timeline::before {
  content: ''; position: absolute; top: 23px; inset-inline: 12px;
  height: 1px; background: var(--hairline-strong);
}
.b1-step { padding: 0 26px 0 0; position: relative; }
html[dir="rtl"] .b1-step { padding: 0 0 0 26px; }
.b1-step .dot {
  width: 47px; height: 47px; border-radius: var(--radius-pill);
  border: 1px solid var(--hairline-strong);
  background: var(--void);
  display: grid; place-items: center;
  font-family: var(--font-mono); font-size: 12px; letter-spacing: .08em;
  color: var(--ink-muted);
  position: relative; z-index: 1;
  margin-bottom: 24px;
  transition: border-color .3s, color .3s, box-shadow .3s;
}
.b1-step:hover .dot { border-color: var(--signal); color: var(--signal); box-shadow: 0 0 22px var(--signal-dim); }
.b1-step h4 { font-size: 20px; font-weight: 500; margin-bottom: 10px; }
.b1-step p { font-size: 14.5px; color: var(--ink-subtle); line-height: 1.6; }

/* ── Field section (differentiators over magnet lines) ────── */
.b1-field {
  position: relative;
  background: var(--surface-1);
  border-block: 1px solid var(--hairline);
  overflow: hidden;
}
.b1-field-lines {
  position: absolute; inset: 0; z-index: 0; opacity: .5;
  display: grid; place-items: center;
  pointer-events: none;
}
.b1-field-lines span {
  display: block; width: 1px; height: 30px;
  background: rgba(99, 169, 245, .16);
  transform: rotate(var(--rotate, -10deg));
  will-change: transform;
  transition: background .3s;
}
.b1-field-inner { position: relative; z-index: 1; }
.b1-diff-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1px; background: var(--hairline);
  border: 1px solid var(--hairline);
}
.b1-diff {
  background: var(--surface-1);
  padding: clamp(26px, 3vw, 42px);
  transition: background .35s;
  position: relative;
}
.b1-diff:hover { background: var(--surface-2); }
.b1-diff .idx {
  font-family: var(--font-mono); font-size: 11px; color: var(--signal);
  letter-spacing: .14em; display: block; margin-bottom: 18px;
}
.b1-diff h4 { font-size: 18.5px; font-weight: 500; margin-bottom: 10px; }
.b1-diff p { font-size: 14.5px; color: var(--ink-subtle); line-height: 1.6; }

/* ── Client marquee ───────────────────────────────────────── */
.b1-marquee {
  overflow: hidden; position: relative;
  border-block: 1px solid var(--hairline);
  padding-block: 34px;
  --marquee-duration: 42s;
}
.b1-marquee::before, .b1-marquee::after {
  content: ''; position: absolute; top: 0; bottom: 0; width: 140px; z-index: 2; pointer-events: none;
}
.b1-marquee::before { inset-inline-start: 0; background: linear-gradient(to right, var(--void), transparent); }
.b1-marquee::after  { inset-inline-end: 0;  background: linear-gradient(to left,  var(--void), transparent); }
html[dir="rtl"] .b1-marquee::before { background: linear-gradient(to left, var(--void), transparent); }
html[dir="rtl"] .b1-marquee::after  { background: linear-gradient(to right, var(--void), transparent); }
.b1-marquee-track {
  /* spacing via per-item margin (not flex gap) so the -50% loop shift
     equals exactly one pattern period — no seam jump */
  display: flex; align-items: center;
  width: max-content;
  animation: b1-marquee var(--marquee-duration) linear infinite;
}
.b1-marquee-track img { margin-inline-end: clamp(48px, 7vw, 110px); }
.b1-marquee:hover .b1-marquee-track { animation-play-state: paused; }
@keyframes b1-marquee { to { transform: translateX(-50%); } }
html[dir="rtl"] .b1-marquee-track { animation-name: b1-marquee-rtl; }
@keyframes b1-marquee-rtl { to { transform: translateX(50%); } }
.b1-marquee img {
  height: 40px; width: auto; max-width: 150px; object-fit: contain;
  /* invert + screen-blend: white logo backgrounds turn black and
     disappear into the dark canvas; logo marks read as light gray */
  filter: grayscale(1) invert(1) brightness(1.7) contrast(1.05);
  mix-blend-mode: screen;
  opacity: .55;
  transition: opacity .3s, filter .3s;
}
.b1-marquee img:hover { opacity: 1; }

/* ── Glass platform cards (Opportunities / Valuation) ─────── */
.b1-platform-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.b1-glass {
  position: relative;
  background: linear-gradient(165deg, rgba(20, 36, 60, .55), rgba(10, 19, 34, .85));
  border: 1px solid var(--hairline-strong);
  padding: clamp(30px, 4vw, 52px);
  overflow: hidden;
  transition: transform .45s var(--ease-out), border-color .35s, box-shadow .45s;
  transform-style: preserve-3d;
  will-change: transform;
}
.b1-glass:hover {
  border-color: rgba(163, 189, 24, .45);
  box-shadow: 0 24px 70px rgba(0, 0, 0, .45), 0 0 46px rgba(163, 189, 24, .07);
}
.b1-glass::before {
  /* sheen that follows the cursor (positioned by JS via --mx/--my) */
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 0%),
              rgba(99, 169, 245, .10), transparent 65%);
  opacity: 0; transition: opacity .4s; pointer-events: none;
}
.b1-glass:hover::before { opacity: 1; }
.b1-glass .tag {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .16em;
  text-transform: uppercase; color: var(--signal);
  border: 1px solid rgba(163, 189, 24, .35); border-radius: var(--radius-pill);
  padding: 6px 14px; display: inline-block; margin-bottom: 26px;
}
html[lang="ar"] .b1-glass .tag { font-family: var(--font-ar); letter-spacing: .04em; }
.b1-glass h3 { font-size: clamp(24px, 2.8vw, 34px); font-weight: 400; letter-spacing: -.02em; margin-bottom: 14px; }
.b1-glass p { font-size: 15px; line-height: 1.65; color: var(--ink-muted); margin-bottom: 30px; }

/* ── Quote / pull statement ───────────────────────────────── */
.b1-pull {
  font-family: var(--font-disp);
  font-size: clamp(26px, 3.6vw, 46px);
  line-height: 1.22; letter-spacing: -.02em;
  color: var(--ink);
  max-width: 26ch; margin-inline: auto; text-align: center;
}
.b1-pull em { font-style: normal; color: var(--signal); }

/* ── CTA horizon (atmospheric close) ──────────────────────── */
.b1-horizon {
  position: relative; text-align: center;
  padding-block: calc(var(--gap-section) * .9) calc(var(--gap-section) * .55);
  overflow: hidden;
}
.b1-horizon::before {
  content: ''; position: absolute; inset-inline: -10%; bottom: -55%; height: 120%;
  background: radial-gradient(52% 58% at 50% 100%,
    rgba(163, 189, 24, .16) 0%, rgba(5, 72, 134, .18) 42%, transparent 72%);
  pointer-events: none;
}
.b1-horizon::after {
  content: ''; position: absolute; inset-inline: 0; bottom: 0; height: 1px;
  background: linear-gradient(to right, transparent, rgba(163, 189, 24, .5), transparent);
}
.b1-horizon-inner { position: relative; z-index: 1; }
.b1-horizon .b1-title { margin-inline: auto; max-width: 22ch; }
.b1-horizon .b1-lede { margin-inline: auto; margin-bottom: 40px; }
.b1-horizon .b1-hero-actions { justify-content: center; }

/* ── Footer ───────────────────────────────────────────────── */
.b1-footer { border-top: 1px solid var(--hairline); padding-top: 70px; position: relative; }
.b1-footer-grid {
  display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: clamp(28px, 5vw, 64px);
  padding-bottom: 60px;
}
.b1-footer-brand img { height: 30px; margin-bottom: 20px; }
.b1-footer-brand p { font-size: 14px; color: var(--ink-subtle); max-width: 34ch; line-height: 1.65; }
.b1-footer-accred {
  font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--ink-subtle); border: 1px solid var(--hairline-strong);
  display: inline-block; padding: 7px 13px; margin-top: 18px;
}
html[lang="ar"] .b1-footer-accred { font-family: var(--font-ar); letter-spacing: .03em; }
.b1-footer h5 {
  font-family: var(--font-mono); font-size: 11px; font-weight: 400;
  letter-spacing: .18em; text-transform: uppercase;
  color: var(--ink-subtle); margin: 0 0 20px;
}
html[lang="ar"] .b1-footer h5 { font-family: var(--font-ar); letter-spacing: .04em; font-size: 13px; }
.b1-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.b1-footer ul a, .b1-footer ul span { font-size: 14.5px; color: var(--ink-muted); transition: color .25s; }
.b1-footer ul a:hover { color: var(--signal-bright); }
.b1-footer-bottom {
  border-top: 1px solid var(--hairline);
  padding-block: 26px;
  display: flex; justify-content: space-between; align-items: center; gap: 18px; flex-wrap: wrap;
}
.b1-footer-bottom p { font-size: 13px; color: var(--ink-subtle); margin: 0; }
.b1-footer-bottom a { font-size: 13px; color: var(--ink-subtle); margin-inline-start: 22px; }
.b1-footer-bottom a:hover { color: var(--ink); }

/* ── Page hero (inner pages) ──────────────────────────────── */
.b1-page-hero {
  padding-top: calc(76px + clamp(70px, 10vw, 140px));
  padding-bottom: clamp(48px, 6vw, 88px);
  position: relative; overflow: hidden;
}
.b1-page-hero::before {
  content: ''; position: absolute; top: -40%; inset-inline-end: -15%;
  width: 60vw; height: 60vw; max-width: 900px; max-height: 900px;
  background: radial-gradient(closest-side, rgba(5, 72, 134, .28), transparent 70%);
  pointer-events: none;
}
.b1-crumb {
  font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .14em;
  text-transform: uppercase; color: var(--ink-subtle); margin-bottom: 26px;
  display: flex; gap: 10px; align-items: center;
}
html[lang="ar"] .b1-crumb { font-family: var(--font-ar); letter-spacing: .03em; }
.b1-crumb a { color: var(--ink-subtle); } .b1-crumb a:hover { color: var(--signal); }
.b1-crumb .sep { color: var(--signal); }
html[dir="rtl"] .b1-crumb .sep { display: inline-block; transform: scaleX(-1); }

/* ── Prose / detail layouts ───────────────────────────────── */
.b1-detail { display: grid; grid-template-columns: 250px 1fr; gap: clamp(36px, 6vw, 90px); align-items: start; }
.b1-detail > *, .service-detail-grid > * { min-width: 0; }
.b1-side nav { max-width: 100%; }
.b1-side { position: sticky; top: 110px; }
.b1-side nav { display: grid; gap: 2px; border-inline-start: 1px solid var(--hairline); }
.b1-side nav a {
  font-size: 13.5px; color: var(--ink-subtle);
  padding: 9px 18px; position: relative;
  transition: color .25s;
}
.b1-side nav a:hover { color: var(--ink); }
.b1-side nav a.active { color: var(--signal); }
.b1-side nav a.active::before {
  content: ''; position: absolute; inset-inline-start: -1px; top: 15%; bottom: 15%;
  width: 2px; background: var(--signal);
}
.b1-prose h3 {
  font-size: clamp(21px, 2.3vw, 28px); font-weight: 400; letter-spacing: -.015em;
  padding-top: 18px; margin-bottom: 16px;
}
.b1-prose > section { margin-bottom: clamp(40px, 5vw, 64px); scroll-margin-top: 100px; }

/* Checklist rows (service lists) */
.b1-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 1px; background: var(--hairline); border: 1px solid var(--hairline); }
.b1-list li {
  background: var(--void); padding: 18px 22px;
  display: flex; gap: 14px; align-items: baseline;
  font-size: 15px; color: var(--ink-muted);
  transition: background .25s, color .25s;
}
.b1-list li:hover { background: var(--surface-1); color: var(--ink); }
.b1-list li::before {
  content: '→'; color: var(--signal); flex-shrink: 0;
  font-family: var(--font-mono); font-size: 13px;
}
html[dir="rtl"] .b1-list li::before { content: '←'; }

/* ── Forms (dark) ─────────────────────────────────────────── */
.b1-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.b1-form-grid .span-2 { grid-column: span 2; }
.b1-field-group label {
  display: block; font-family: var(--font-mono); font-size: 11px;
  letter-spacing: .14em; text-transform: uppercase; color: var(--ink-subtle);
  margin-bottom: 9px;
}
html[lang="ar"] .b1-field-group label { font-family: var(--font-ar); letter-spacing: .03em; font-size: 12.5px; }
.b1-input, .b1-field-group input, .b1-field-group select, .b1-field-group textarea {
  width: 100%;
  background: var(--surface-1);
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius-input);
  color: var(--ink);
  font-family: inherit; font-size: 15px;
  padding: 14px 16px;
  transition: border-color .25s, box-shadow .25s, background .25s;
}
.b1-input:focus, .b1-field-group input:focus, .b1-field-group select:focus, .b1-field-group textarea:focus {
  outline: none; border-color: var(--signal);
  box-shadow: 0 0 0 3px var(--signal-dim);
  background: var(--surface-2);
}
.b1-field-group.has-error input, .b1-field-group.has-error textarea, .b1-field-group.has-error select {
  border-color: var(--error);
}
.b1-form-success {
  display: none; border: 1px solid rgba(163, 189, 24, .4); background: var(--signal-dim);
  color: var(--signal-bright); padding: 16px 20px; margin-bottom: 22px; font-size: 15px;
}
.b1-form-success.visible { display: block; }

/* ── Inner page hero & horizon typography ─────────────────── */
.b1-page-hero h1 {
  font-family: var(--font-disp);
  font-size: clamp(40px, 6vw, 84px);
  font-weight: 400; line-height: 1.02; letter-spacing: -.03em;
  margin: 0 0 22px; max-width: 16ch;
}
html[lang="ar"] .b1-page-hero h1 { line-height: 1.25; letter-spacing: 0; }
.b1-page-hero .lang-en-content p,
.b1-page-hero .lang-ar-content p,
.b1-page-hero .b1-hero-lede {
  font-size: var(--text-lede); color: var(--ink-muted);
  max-width: 62ch; line-height: 1.55;
}
.b1-horizon::before { z-index: -1; }
.b1-horizon h2 {
  font-size: var(--text-title); line-height: 1.06; letter-spacing: -.025em;
  max-width: 22ch; margin: 0 auto .5em;
}
.b1-horizon .b1-eyebrow { justify-content: center; }
.b1-horizon .lang-en-content p, .b1-horizon .lang-ar-content p {
  font-size: var(--text-lede); color: var(--ink-muted); max-width: 60ch; margin-inline: auto;
}
.b1-horizon .b1-hero-actions { justify-content: center; margin-top: 34px; }

/* ── Legacy service-detail content classes, re-themed dark ──
   (service subpages keep their A1 content markup verbatim) */
.service-detail-grid {
  display: grid; grid-template-columns: 240px 1fr;
  gap: clamp(36px, 6vw, 90px); align-items: start;
}
.service-section { margin-bottom: clamp(44px, 5vw, 72px); scroll-margin-top: 110px; }
.service-section h3 {
  font-size: clamp(22px, 2.6vw, 32px); font-weight: 400; letter-spacing: -.02em;
  margin-bottom: 14px;
  display: flex; align-items: center; gap: 14px;
}
.service-section h3::after { content: ''; flex: 1; height: 1px; background: var(--hairline); }
.service-list {
  list-style: none; margin: 26px 0 0; padding: 0;
  display: grid; gap: 1px; background: var(--hairline); border: 1px solid var(--hairline);
}
.service-list-item {
  background: var(--void); padding: 22px 24px;
  display: flex; gap: 18px; align-items: flex-start;
  transition: background .25s;
}
.service-list-item:hover { background: var(--surface-1); }
.service-list-item-icon {
  width: 42px; height: 42px; flex-shrink: 0;
  border: 1px solid var(--hairline-strong);
  display: grid; place-items: center;
  color: var(--signal);
}
.service-list-item-title { font-weight: 500; font-size: 15.5px; color: var(--ink); margin-bottom: 6px; }
.service-list-item-desc { font-size: 14px; color: var(--ink-subtle); line-height: 1.6; }
@media (max-width: 1024px) {
  .service-detail-grid { grid-template-columns: 1fr; }
  .service-sidebar { position: static; }
}

/* ── Legacy content classes (careers / clients / contact keep
      their A1 body markup verbatim) themed dark ─────────────── */
.section, .section-sm, .section-soft { padding-block: calc(var(--gap-section) / 2); position: relative; }
.section-soft { background: var(--surface-1); border-block: 1px solid var(--hairline); }
.text-muted { color: var(--ink-subtle); }
.mb-3 { margin-bottom: 24px; }
.section-header { margin-bottom: var(--gap-block); }
.section-header h2 {
  font-size: var(--text-title); line-height: 1.06; letter-spacing: -.025em;
  max-width: 20ch; margin-bottom: .35em;
}
.section-header.text-center h2, .text-center .section-header h2 { margin-inline: auto; }
.section-header p { font-size: var(--text-lede); color: var(--ink-muted); max-width: 62ch; }
.section-header .eyebrow, .eyebrow {
  font-family: var(--font-mono); font-size: var(--text-mono);
  letter-spacing: .18em; text-transform: uppercase; color: var(--signal);
  display: flex; align-items: center; gap: 12px; margin-bottom: 22px;
}
.eyebrow::before { content: ''; width: 34px; height: 1px; background: var(--signal); opacity: .7; }
html[lang="ar"] .eyebrow { font-family: var(--font-ar); letter-spacing: .06em; font-size: 13px; }

.about-split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 6vw, 96px); align-items: center; }
.about-split-content h2 { font-size: clamp(28px, 3.4vw, 44px); letter-spacing: -.025em; line-height: 1.1; }
.about-split-image { position: relative; overflow: hidden; }
.about-split-image img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(.35) brightness(.72) contrast(1.05); }
.about-split-image::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(160deg, rgba(5, 72, 134, .38), rgba(6, 11, 20, .55));
}

.careers-grid { display: grid; gap: 1px; background: var(--hairline); border: 1px solid var(--hairline); }
.career-item {
  background: var(--void); padding: 26px 28px;
  display: flex; justify-content: space-between; align-items: center; gap: 22px;
  transition: background .25s;
}
.career-item:hover { background: var(--surface-1); }
.career-item-role { font-family: var(--font-disp); font-size: 19px; color: var(--ink); }
.career-item-meta {
  font-size: 13.5px; color: var(--ink-subtle); margin-top: 8px;
  display: flex; flex-wrap: wrap; gap: 4px 20px; align-items: center;
}
.career-item-meta > span { display: inline-flex; align-items: center; gap: 7px; }
.career-item-meta svg { color: var(--signal); opacity: .8; flex-shrink: 0; }
.career-badge {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .12em; text-transform: uppercase;
  border: 1px solid var(--hairline-strong); border-radius: var(--radius-pill);
  padding: 7px 15px; color: var(--ink-muted); white-space: nowrap;
}
html[lang="ar"] .career-badge { font-family: var(--font-ar); letter-spacing: .03em; }
.career-badge-open { color: var(--signal); border-color: rgba(163, 189, 24, .4); }

/* centred wrap (not auto-fill grid) so an incomplete last row sits
   centred instead of leaving empty hairline cells */
.clients-grid {
  display: flex; flex-wrap: wrap; justify-content: center;
  padding: 1px 0 0 1px;
}
.client-logo-item {
  flex: 0 0 25%; margin: -1px 0 0 -1px; border: 1px solid var(--hairline);
  background: var(--void); display: grid; place-items: center;
  padding: 34px 24px; min-height: 130px; transition: background .25s;
}
@media (max-width: 900px) { .client-logo-item { flex-basis: 33.333%; } }
@media (max-width: 560px) { .client-logo-item { flex-basis: 50%; } }
.client-logo-item:hover { background: var(--surface-1); }
.client-logo-item img {
  max-height: 46px; max-width: 150px; object-fit: contain;
  filter: grayscale(1) invert(1) brightness(1.7) contrast(1.05);
  mix-blend-mode: screen;
  opacity: .6; transition: opacity .3s;
}
.client-logo-item:hover img { opacity: 1; }

.values-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--hairline); border: 1px solid var(--hairline); }
.value-card { background: var(--surface-1); padding: clamp(26px, 3vw, 42px); transition: background .3s; }
.value-card:hover { background: var(--surface-2); }
.value-card-icon { color: var(--signal); margin-bottom: 18px; }
.value-card h4 { font-size: 18.5px; font-weight: 500; margin-bottom: 10px; }
.value-card p { font-size: 14.5px; color: var(--ink-subtle); line-height: 1.6; }

.contact-grid { display: grid; grid-template-columns: 1fr 1.25fr; gap: clamp(40px, 6vw, 90px); align-items: start; }
.contact-detail { display: flex; gap: 16px; padding: 20px 0; border-bottom: 1px solid var(--hairline); align-items: flex-start; }
.contact-detail-icon {
  color: var(--signal); width: 42px; height: 42px; flex-shrink: 0;
  border: 1px solid var(--hairline-strong); display: grid; place-items: center;
}
.contact-detail-label {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .14em;
  text-transform: uppercase; color: var(--ink-subtle); margin-bottom: 5px;
}
html[lang="ar"] .contact-detail-label { font-family: var(--font-ar); letter-spacing: .03em; }
.contact-detail-value, .contact-detail-value a { font-size: 15px; color: var(--ink); }
.contact-detail-value a:hover { color: var(--signal-bright); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.form-group { margin-bottom: 22px; }
.form-group label {
  display: block; font-family: var(--font-mono); font-size: 11px;
  letter-spacing: .14em; text-transform: uppercase; color: var(--ink-subtle); margin-bottom: 9px;
}
html[lang="ar"] .form-group label { font-family: var(--font-ar); letter-spacing: .03em; font-size: 12.5px; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; background: var(--surface-1);
  border: 1px solid var(--hairline-strong); border-radius: var(--radius-input);
  color: var(--ink); font-family: inherit; font-size: 15px; padding: 14px 16px;
  transition: border-color .25s, box-shadow .25s, background .25s;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none; border-color: var(--signal);
  box-shadow: 0 0 0 3px var(--signal-dim); background: var(--surface-2);
}
.form-group.has-error input, .form-group.has-error select, .form-group.has-error textarea { border-color: var(--error); }
.form-error { display: none; color: var(--error); font-size: 12.5px; margin-top: 6px; }
.form-group.has-error .form-error { display: block; }
.form-success {
  display: none; border: 1px solid rgba(163, 189, 24, .4); background: var(--signal-dim);
  color: var(--signal-bright); padding: 16px 20px; margin-bottom: 22px; font-size: 15px;
}
.form-success.visible { display: block; }
@media (max-width: 1024px) { .values-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 760px) {
  .about-split, .contact-grid, .form-row, .values-grid { grid-template-columns: 1fr; }
  .career-item { flex-direction: column; align-items: flex-start; }
}

/* ── Reveal motion ────────────────────────────────────────── */
.reveal, .fade-up, .fade-in {
  opacity: 0; transform: translateY(28px);
  transition: opacity .9s var(--ease-out), transform .9s var(--ease-out);
}
.fade-in { transform: none; }
.reveal.in-view, .fade-up.in-view, .fade-in.in-view { opacity: 1; transform: translateY(0); }
.delay-1 { transition-delay: .08s; } .delay-2 { transition-delay: .16s; }
.delay-3 { transition-delay: .24s; } .delay-4 { transition-delay: .32s; }
.delay-5 { transition-delay: .40s; } .delay-6 { transition-delay: .48s; }
.delay-7 { transition-delay: .56s; } .delay-8 { transition-delay: .64s; }

/* Text utilities */
.text-center { text-align: center; }
.mt-2 { margin-top: 16px; } .mt-4 { margin-top: 32px; } .mt-6 { margin-top: 56px; }

/* ── Bilingual block visibility (matches main.js contract) ── */
.lang-ar-content { display: none; }

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 1024px) {
  .b1-nav-links { display: none; }
  .b1-burger { display: block; }
  .b1-nav .b1-btn { display: none; }
  .b1-timeline { grid-template-columns: 1fr 1fr; row-gap: 44px; }
  .b1-timeline::before { display: none; }
  .b1-diff-grid { grid-template-columns: 1fr 1fr; }
  .b1-detail { grid-template-columns: 1fr; }
  .b1-side { position: static; }
  .b1-side nav { grid-auto-flow: column; overflow-x: auto; border-inline-start: 0; border-bottom: 1px solid var(--hairline); padding-bottom: 4px; }
  .b1-side nav a { white-space: nowrap; }
  .b1-footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  .b1-split, .b1-platform-grid, .b1-form-grid { grid-template-columns: 1fr; }
  .b1-form-grid .span-2 { grid-column: span 1; }
  .b1-index-row { grid-template-columns: 44px 1fr auto; }
  .b1-index-row p { display: none; }
  .b1-timeline { grid-template-columns: 1fr; }
  .b1-diff-grid { grid-template-columns: 1fr; }
  .b1-hero-meta { grid-template-columns: 1fr 1fr; }
  .b1-hero-meta > div:nth-child(2n) { border-inline-end: 0; }
  .b1-footer-grid { grid-template-columns: 1fr; }
  .b1-ghost-num { display: none; }
}

/* ── Reduced motion ───────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal, .fade-up, .fade-in { opacity: 1; transform: none; transition: none; }
  .b1-shine { animation: none; }
  .b1-marquee-track { animation-duration: 240s; }
  .b1-hero-aurora { display: none; }
}

/* ══════════════════════════════════════════════════════════
   Launch additions (2026-09-28)
   ══════════════════════════════════════════════════════════ */

/* Skip link — hidden until keyboard focus */
.b1-skip {
  position: fixed; top: 12px; inset-inline-start: 12px; z-index: 1000;
  background: var(--signal); color: var(--void); font-weight: 600; font-size: 14px;
  padding: 10px 16px; transform: translateY(-160%); transition: transform .2s var(--ease-out);
}
.b1-skip:focus { transform: none; }
#main:focus { outline: none; }

/* Scroll progress */
.b1-progress {
  position: fixed; top: 0; left: 0; right: 0; height: 2px; z-index: 999;
  background: var(--signal); transform-origin: 0 50%; transform: scaleX(0); pointer-events: none;
}
html[dir="rtl"] .b1-progress { transform-origin: 100% 50%; }

/* Back to top */
.b1-to-top {
  position: fixed; bottom: 88px; inset-inline-end: 28px; z-index: 90;
  width: 44px; height: 44px; display: grid; place-items: center;
  background: var(--surface-2); color: var(--ink); border: 1px solid var(--hairline-strong);
  cursor: pointer; opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: opacity .3s, transform .3s var(--ease-out), visibility .3s, border-color .25s, color .25s;
}
.b1-to-top.visible { opacity: 1; visibility: visible; transform: none; }
.b1-to-top:hover { border-color: var(--signal); color: var(--signal); }

/* Floating WhatsApp (back-to-top stacks above it) */
.b1-wa {
  position: fixed; bottom: 24px; inset-inline-end: 24px; z-index: 91;
  width: 52px; height: 52px; border-radius: 50%; display: grid; place-items: center;
  background: #25D366; color: #fff; box-shadow: 0 8px 24px rgba(0, 0, 0, .35);
  transition: transform .25s var(--ease-out), box-shadow .25s;
}
.b1-wa:hover { transform: translateY(-2px) scale(1.04); box-shadow: 0 12px 28px rgba(0, 0, 0, .45); }
.b1-wa:focus-visible { outline-offset: 4px; }

/* Copy buttons (email / phone) */
.b1-copy {
  margin-inline-start: 10px; padding: 3px 9px; font: inherit; font-size: 12px; letter-spacing: .02em;
  color: var(--ink-muted); background: transparent; border: 1px solid var(--hairline-strong);
  cursor: pointer; vertical-align: middle; transition: color .2s, border-color .2s;
}
.b1-copy:hover { color: var(--ink); border-color: var(--ink-muted); }
.b1-copy.done { color: var(--signal); border-color: var(--signal); }

/* Contact form: spam honeypot + failure state */
.b1-hp { position: absolute !important; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.form-fail {
  display: none; border: 1px solid rgba(255, 120, 110, .45); background: rgba(255, 120, 110, .08);
  color: #FFB4AC; padding: 14px 18px; margin-bottom: 18px; font-size: 14px;
}
.form-fail.visible { display: block; }
#contact-form button[disabled] { opacity: .6; cursor: progress; }

/* ── Print: clean black-on-white pages ─────────────────────── */
@media print {
  @page { margin: 16mm; }
  html, body { background: #fff !important; color: #000 !important; }
  *, *::before, *::after { background: transparent !important; color: #000 !important; box-shadow: none !important; text-shadow: none !important; filter: none !important; }
  .b1-nav, .b1-menu, .b1-burger, .b1-hero-aurora, .b1-magnet, canvas, .b1-marquee,
  .b1-progress, .b1-to-top, .b1-wa, .b1-copy, .b1-skip, .b1-lang, .b1-horizon, form, .b1-btn { display: none !important; }
  .fade-up, .fade-in, .reveal { opacity: 1 !important; transform: none !important; }
  .b1-ghost-num { display: none !important; }
  a[href^="http"]::after { content: " (" attr(href) ")"; font-size: 9pt; }
  h1, h2, h3, h4 { page-break-after: avoid; break-after: avoid; }
  img { max-width: 60% !important; page-break-inside: avoid; }
  section { padding-block: 12pt !important; }
}

/* Logos supplied in white ink skip the invert treatment */
.b1-marquee img.logo-light,
.client-logo-item img.logo-light { filter: grayscale(1) brightness(.95); mix-blend-mode: normal; }

/* Phone numbers (and other LTR data) keep their order inside Arabic text */
a[href^="tel:"], .b1-ltr { direction: ltr; unicode-bidi: isolate; display: inline-block; }

/* Client grid: never let a wide logo force its cell wider than its share (kept phones at 2 per row) */
.client-logo-item { min-width: 0; }
.client-logo-item img { max-width: min(150px, 100%); }