/* =====================================================================
   من نحن — "نربط التعليم بسوق العمل"
   جسر بالهيرو، بيان بينكتب مع السكرول، كلمة بتتبدّل، شخصيات، مسار
   بخمس محطات، شريط متحرك، ومعادلات بجدول حسابات.
   الكلاسات بتبلش بـ ab-   (الحركة: assets/js/about.js)
   ===================================================================== */

.ab-sec { padding-block: clamp(5rem, 10vw, 8.5rem); }
.ab-sec + .ab-sec { border-top: 1px solid var(--dh-line); }

/* ---------- خطوط الرسم المشتركة بالصفحة ---------- */
.ab-svg { direction: ltr; overflow: visible; }
.ab-svg .l {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.4;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 1 2;
  stroke-dashoffset: 1;
  transition: stroke-dashoffset 1.6s var(--dh-ease-io) var(--d, 0s);
}
.ab-svg .w { stroke-width: 2.2; }
.ab-svg .t { stroke-width: 0.9; opacity: 0.5; }
.ab-svg .g { stroke: var(--ab-gold, var(--dh-gold-600)); }
.ab-svg text {
  font-family: Cairo, sans-serif;
  font-weight: 700;
  fill: currentColor;
  opacity: 0;
  transition: opacity 0.8s ease var(--d, 1s);
}
.ab-svg text.g { fill: var(--ab-gold, var(--dh-gold-600)); }
.ab-svg .dot { fill: var(--ab-gold, var(--dh-gold-600)); opacity: 0; transition: opacity 0.6s ease var(--d, 1s); }
.is-drawn .ab-svg .l,
.is-visible .ab-svg .l,
.ab-svg.is-drawn .l { stroke-dashoffset: 0; }
.is-drawn .ab-svg text,
.is-drawn .ab-svg .dot,
.is-visible .ab-svg text,
.is-visible .ab-svg .dot,
.ab-svg.is-drawn text,
.ab-svg.is-drawn .dot { opacity: 1; }

/* =====================================================================
   D-01 الهيرو: الجسر
   ===================================================================== */
.ab-hero {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-height: 100svh;
  color: #fff;
  background-color: var(--dh-ink);
  background-image: radial-gradient(70% 55% at 50% 30%, rgba(217, 169, 63, 0.11), transparent 70%);
  --ab-gold: var(--dh-gold-light);
}
.ab-hero__grid,
.ab-hero__glow {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(var(--c) 1px, transparent 1px),
    linear-gradient(90deg, var(--c) 1px, transparent 1px),
    linear-gradient(var(--c2) 1px, transparent 1px),
    linear-gradient(90deg, var(--c2) 1px, transparent 1px);
  background-size: 80px 80px, 80px 80px, 16px 16px, 16px 16px;
  background-position: center top;
}
.ab-hero__grid { --c: rgba(217, 235, 235, 0.06); --c2: rgba(217, 235, 235, 0.025); }
.ab-hero__glow {
  --c: rgba(242, 210, 127, 0.4);
  --c2: rgba(242, 210, 127, 0.14);
  opacity: 0;
  transition: opacity 0.5s ease;
  -webkit-mask-image: radial-gradient(circle 220px at var(--mx, 50%) var(--my, 50%), #000, transparent 75%);
  mask-image: radial-gradient(circle 220px at var(--mx, 50%) var(--my, 50%), #000, transparent 75%);
}
.ab-hero.is-lit .ab-hero__glow { opacity: 1; }

.ab-hero__in {
  padding-top: clamp(7rem, 13vw, 8.5rem);
  text-align: center;
}
.ab-hero__title {
  margin-top: 1.5rem;
  font-size: clamp(2.8rem, 1.3rem + 5.6vw, 6.4rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.02em;
}
.ab-hero__title em {
  font-style: normal;
  color: transparent;
  background:
    linear-gradient(135deg, var(--dh-gold-light), var(--dh-gold)) no-repeat right / 0% 100%,
    #fff;
  -webkit-background-clip: text;
  background-clip: text;
  transition: background-size 1.4s var(--dh-ease-io) 0.8s;
}
.is-visible .ab-hero__title em { background-size: 100% 100%; }
.ab-hero__lead {
  margin: 1.4rem auto 0;
  max-width: 38rem;
  font-size: clamp(1.05rem, 0.95rem + 0.45vw, 1.3rem);
  line-height: 1.85;
  color: rgba(217, 235, 235, 0.75);
}
.ab-hero__up {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.8s ease, transform 1s var(--dh-ease);
  transition-delay: calc(var(--i, 0) * 120ms + 200ms);
}
.is-visible .ab-hero__up { opacity: 1; transform: none; }

.ab-bridge {
  position: relative;
  margin-top: auto;
  padding-top: 2rem;
  color: rgba(217, 235, 235, 0.85);
}
.ab-bridge svg {
  display: block;
  width: 100%;
  height: clamp(260px, 26vw, 370px);
}
@media (min-width: 1024px) and (max-height: 820px) {
  .ab-bridge svg { height: clamp(220px, 40vh, 320px); }
  .ab-hero__in { padding-top: 6.5rem; }
}
.ab-bridge .bank { font-size: 26px; font-weight: 900; fill: #fff; }
.ab-bridge .bank-sub { font-size: 13px; font-weight: 600; fill: rgba(217, 235, 235, 0.55); }
.ab-bridge .cab { font-size: 16px; }
.ab-bridge .dim { font-size: 13px; font-weight: 600; }
/* العدّاء: المفاصل بيحسبها about.js كل فريم (ركض حقيقي، مش انزلاق) */
.ab-walker { opacity: 0; transition: opacity 0.8s ease 2.4s; }
.ab-hero.is-drawn .ab-walker { opacity: 1; }
.ab-walker path { fill: none; stroke: var(--dh-gold-light); stroke-width: 2.1; stroke-linecap: round; stroke-linejoin: round; }
.ab-walker .far { opacity: 0.45; }
.ab-walker .head { fill: var(--dh-gold-light); }
.ab-walker .shadow { fill: rgba(242, 210, 127, 0.18); stroke: none; }
.ab-water { transform-box: view-box; animation: ab-drift 5s ease-in-out infinite alternate; }

/* =====================================================================
   D-02 ما هي Double H: البيان بينكتب مع السكرول
   ===================================================================== */
.ab-man__grid { display: grid; gap: 2.5rem; }
@media (min-width: 1024px) {
  .ab-man__grid { grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: 4rem; align-items: start; }
  .ab-man__grid .ds-head { position: sticky; top: 7rem; }
}
.ab-man__text {
  font-size: clamp(1.55rem, 1rem + 2.1vw, 2.85rem);
  font-weight: 800;
  line-height: 1.65;
  color: var(--dh-teal);
}
.ab-man__text .w { opacity: 0.14; transition: opacity 0.25s linear; }
.ab-man__text mark { background: none; color: var(--dh-gold-600); }

.ab-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: clamp(2.5rem, 5vw, 3.5rem);
  border: 1px solid var(--dh-line-2);
  background: var(--dh-paper);
}
.ab-stats > div {
  display: flex;
  flex-direction: column-reverse;
  justify-content: flex-end;
  gap: 0.3rem;
  padding: 1.1rem 1.2rem;
  border-bottom: 1px solid var(--dh-line-2);
}
.ab-stats > div:nth-child(odd) { border-inline-end: 1px solid var(--dh-line-2); }
.ab-stats > div:nth-last-child(-n + 2) { border-bottom: 0; }
.ab-stats dt { font-size: 0.82rem; font-weight: 700; color: var(--dh-muted); }
.ab-stats dd {
  font-family: var(--dh-mono);
  font-size: clamp(1.9rem, 1.4rem + 1.6vw, 2.8rem);
  font-weight: 500;
  line-height: 1;
  color: var(--dh-teal);
  font-variant-numeric: tabular-nums;
}
.ab-stats dd small { font-size: 0.5em; color: var(--dh-gold-600); }
@media (min-width: 768px) {
  .ab-stats { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .ab-stats > div { border-bottom: 0; border-inline-end: 1px solid var(--dh-line-2); }
  .ab-stats > div:last-child { border-inline-end: 0; }
}
.ab-stats__src { margin-top: 0.6rem; font-size: 0.78rem; color: var(--dh-muted); display: flex; align-items: center; gap: 0.4rem; }
.ab-stats__src::before { content: ""; width: 0.45rem; height: 0.45rem; border-radius: 50%; background: #3aa66b; box-shadow: 0 0 0 3px rgba(58, 166, 107, 0.18); }

/* =====================================================================
   D-03 لماذا: الشهادة مشطوبة + كلمة بتتبدّل
   ===================================================================== */
.ab-why { text-align: center; }
.ab-why__line {
  max-width: 62rem;
  margin: 0 auto;
  font-size: clamp(1.7rem, 1rem + 2.7vw, 3.4rem);
  font-weight: 800;
  line-height: 1.55;
  color: var(--dh-text);
}
.ab-strike { position: relative; display: inline-block; color: var(--dh-muted); }
.ab-strike::after {
  content: "";
  position: absolute;
  inset-inline: -0.1em;
  top: 55%;
  height: 0.09em;
  min-height: 3px;
  background: var(--dh-gold);
  transform: scaleX(0) rotate(-3deg);
  transform-origin: right;
  transition: transform 0.8s var(--dh-ease-io) 0.5s;
}
.is-visible .ab-strike::after { transform: scaleX(1) rotate(-3deg); }
.ab-rot {
  position: relative;
  display: inline-block;
  vertical-align: bottom;
  height: 1.55em;
  width: var(--rw, auto);
  overflow: hidden;
  color: var(--dh-gold-600);
  transition: width 0.6s var(--dh-ease);
  -webkit-mask-image: linear-gradient(transparent, #000 14%, #000 86%, transparent);
  mask-image: linear-gradient(transparent, #000 14%, #000 86%, transparent);
}
.ab-rot > span {
  display: block;
  width: max-content;
  height: 1.55em;
  white-space: nowrap;
  transform: translateY(calc(var(--ri, 0) * -100%));
  transition: transform 0.8s var(--dh-ease);
}
.ab-rot::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  bottom: 0.12em;
  height: 2px;
  background: currentColor;
  opacity: 0.35;
}

.ab-pills {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  max-width: 58rem;
  margin: clamp(2.5rem, 5vw, 3.5rem) auto 0;
  border: 1px solid var(--dh-line-2);
  background: var(--dh-paper);
  text-align: start;
}
@media (min-width: 768px) { .ab-pills { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.ab-pill {
  position: relative;
  display: grid;
  gap: 0.25rem;
  padding: 1rem 1.1rem 1.15rem;
  border-inline-end: 1px solid var(--dh-line-2);
  border-bottom: 1px solid var(--dh-line-2);
  color: var(--dh-muted);
  transition: color 0.35s ease, background-color 0.35s ease;
}
.ab-pill b { font-family: var(--dh-mono); font-size: 0.72rem; font-weight: 500; color: var(--dh-gold-600); }
.ab-pill span { font-size: 1rem; font-weight: 800; }
.ab-pill::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  bottom: -1px;
  height: 2px;
  background: var(--dh-gold);
  transform: scaleX(0);
  transform-origin: right;
}
.ab-pill.is-on { color: var(--dh-teal); background: var(--dh-teal-50); }
.ab-pill.is-on::after { animation: ab-fill var(--ab-dur, 2.8s) linear both; }
.is-paused .ab-pill.is-on::after { animation-play-state: paused; }
.ab-pill:hover { color: var(--dh-teal); }
.ab-pill:focus-visible { outline: 2px solid var(--dh-gold); outline-offset: -3px; }
@media (min-width: 768px) {
  .ab-pill { border-bottom: 0; }
  .ab-pill:last-child { border-inline-end: 0; }
}
@media (max-width: 767px) {
  .ab-pill:nth-child(even) { border-inline-end: 0; }
  .ab-pill:nth-last-child(-n + 2) { border-bottom: 0; }
}

/* =====================================================================
   D-04 لمن: شخصيات
   ===================================================================== */
.ab-who__grid { display: grid; gap: 1.5rem; }
@media (min-width: 640px) { .ab-who__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1024px) { .ab-who__grid { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.ab-who__card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 0.5rem;
  background: var(--dh-paper);
  box-shadow: 0 0 0 1px var(--dh-line-2);
  transition: transform 0.6s var(--dh-ease), box-shadow 0.6s var(--dh-ease);
}
.ab-who__in { flex: 1; border: 1px solid var(--dh-line-2); display: flex; flex-direction: column; }
.ab-who__fig {
  position: relative;
  margin: 0;
  aspect-ratio: 4 / 3;
  color: var(--dh-teal);
  background-color: var(--dh-teal-50);
  background-image:
    linear-gradient(rgba(20, 57, 57, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20, 57, 57, 0.07) 1px, transparent 1px);
  background-size: 16px 16px;
  border-bottom: 1px solid var(--dh-line-2);
}
.ab-who__fig svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.ab-who__fig svg text { font-size: 10px; }
.ab-who__no {
  position: absolute;
  top: 0.7rem;
  right: 0.7rem;
  padding: 0.3rem 0.45rem;
  border: 1px solid var(--dh-line-2);
  background: rgba(255, 255, 255, 0.92);
  font-family: var(--dh-mono);
  font-size: 0.68rem;
  color: var(--dh-teal);
}
.ab-who__body { padding: 1.2rem 1.2rem 1.4rem; }
.ab-who__body h3 { font-size: 1.2rem; font-weight: 800; line-height: 1.45; color: var(--dh-teal); }
.ab-who__body p { margin-top: 0.5rem; font-size: 0.93rem; line-height: 1.8; color: var(--dh-muted); }
@media (hover: hover) and (pointer: fine) {
  .ab-who__card:hover { transform: translateY(-6px); box-shadow: 0 0 0 1px var(--dh-gold), 0 34px 60px -34px rgba(20, 57, 57, 0.45); }
  .ab-who__card:hover .ab-svg .l { animation: ab-redraw 1.3s var(--dh-ease-io) both; animation-delay: var(--d, 0s); }
}

/* =====================================================================
   D-05 ماذا نقدّم: مسار بخمس محطات + لوحة ثابتة
   ===================================================================== */
.ab-route { display: grid; gap: 2rem; }
@media (min-width: 1024px) {
  .ab-route { grid-template-columns: minmax(0, 6fr) minmax(0, 5fr); gap: clamp(3rem, 6vw, 6rem); align-items: start; }
}
.ab-route__list { position: relative; padding-inline-start: 3.4rem; }
.ab-route__line {
  position: absolute;
  inset-block: 2.6rem 2rem;
  inset-inline-start: 1.05rem;
  width: 2px;
  background: var(--dh-line-2);
}
.ab-route__line span {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, var(--dh-gold-light), var(--dh-gold));
  transform: scaleY(var(--rp, 0));
  transform-origin: top;
}
.ab-stop { position: relative; padding-block: 2rem; transition: opacity 0.5s ease; }
@media (min-width: 1024px) {
  .ab-stop { min-height: 62vh; display: flex; flex-direction: column; justify-content: center; }
  .ab-route.is-live .ab-stop:not(.is-on) { opacity: 0.35; }
}
.ab-stop__node {
  position: absolute;
  top: 2.45rem;
  inset-inline-start: calc(-3.4rem + 1.05rem + 1px - 11px);
  width: 22px;
  height: 22px;
  border: 2px solid var(--dh-line-2);
  border-radius: 50%;
  background: var(--dh-paper);
  transition: border-color 0.4s ease, box-shadow 0.4s ease;
}
@media (min-width: 1024px) { .ab-stop__node { top: 50%; margin-top: -6.5rem; } }
.ab-stop__node::after {
  content: "";
  position: absolute;
  inset: 4px;
  border-radius: 50%;
  background: var(--dh-gold);
  transform: scale(0);
  transition: transform 0.4s var(--dh-ease);
}
.ab-stop.is-on .ab-stop__node { border-color: var(--dh-gold); box-shadow: 0 0 0 6px rgba(217, 169, 63, 0.16); }
.ab-stop.is-on .ab-stop__node::after,
.ab-stop.is-past .ab-stop__node::after { transform: none; }
.ab-stop.is-past .ab-stop__node { border-color: var(--dh-gold); }
.ab-stop__kick {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--dh-gold-600);
}
.ab-stop__kick b { font-family: var(--dh-mono); font-weight: 500; }
.ab-stop h3 {
  margin-top: 0.6rem;
  font-size: clamp(1.55rem, 1.1rem + 1.5vw, 2.3rem);
  font-weight: 800;
  line-height: 1.3;
  color: var(--dh-teal);
}
.ab-stop ul { display: grid; gap: 0.55rem; margin-top: 1.1rem; }
.ab-stop li {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  font-size: 1.02rem;
  line-height: 1.75;
  color: var(--dh-text);
}
.ab-stop li::before {
  content: "";
  flex-shrink: 0;
  width: 0.5rem;
  height: 0.5rem;
  margin-top: 0.1rem;
  border: 1px solid var(--dh-gold-600);
  transform: rotate(45deg);
}
.ab-stop li b { color: var(--dh-teal); }

/* رسمة المحطة: جوّا المحطة عالموبايل، وباللوحة الثابتة عالديسكتوب */
.ab-stop__fig,
.ab-panel {
  position: relative;
  overflow: hidden;
  color: rgba(217, 235, 235, 0.85);
  background-color: var(--dh-ink);
  background-image:
    radial-gradient(70% 60% at 50% 40%, rgba(217, 169, 63, 0.1), transparent 70%),
    linear-gradient(rgba(217, 235, 235, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(217, 235, 235, 0.06) 1px, transparent 1px);
  background-size: auto, 40px 40px, 40px 40px;
  --ab-gold: var(--dh-gold-light);
}
.ab-stop__fig { margin: 1.5rem 0 0; aspect-ratio: 4 / 3; }
.ab-stop__fig svg,
.ab-panel svg { position: absolute; inset: 0; width: 100%; height: 100%; padding: 6%; }
.ab-stop__fig svg text,
.ab-panel svg text { font-size: 13px; }
.ab-panel { display: none; }
@media (min-width: 1024px) {
  .ab-stop__fig { display: none; }
  .ab-panel {
    display: block;
    position: sticky;
    top: 6.5rem;
    aspect-ratio: 4 / 3.4;
    border: 1px solid var(--dh-line-2);
    box-shadow: 0 40px 80px -45px rgba(5, 20, 20, 0.6);
  }
  .ab-panel svg { opacity: 0; transition: opacity 0.6s ease; }
  .ab-panel svg.is-on { opacity: 1; }
}
.ab-panel__bar {
  position: absolute;
  inset-inline: 0;
  bottom: 0;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 1.1rem;
  border-top: 1px solid rgba(217, 235, 235, 0.14);
  background: rgba(14, 43, 43, 0.7);
  font-size: 0.82rem;
  font-weight: 700;
  color: rgba(217, 235, 235, 0.75);
}
.ab-panel__bar b { font-family: var(--dh-mono); font-weight: 500; color: var(--dh-gold-light); }
.ab-panel__count { direction: ltr; position: absolute; top: 0.9rem; right: 1rem; font-family: var(--dh-mono); font-size: 0.75rem; color: var(--dh-gold-light); }

/* شريط المحطات (بيبيّن بس عالموبايل وقت التثبيت) */
.ab-steps { display: none; }

/* ---------- موبايل/تابلت: القسم بيثبت والرسمة والمحطة بيتبدّلوا مع السكرول ---------- */
@media (max-width: 1023px) {
  .ab-route-track.is-pin { height: calc(100svh + var(--n, 5) * 62svh); }
  .ab-route-track.is-pin .ab-route {
    position: sticky;
    top: 0;
    height: 100vh;
    height: 100svh;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding-block: 4.75rem 1.25rem;
  }
  .ab-route-track.is-pin .ab-steps {
    display: grid;
    grid-template-columns: repeat(var(--n, 5), minmax(0, 1fr));
    gap: 0.35rem;
    flex-shrink: 0;
  }
  .ab-steps span { display: grid; gap: 0.3rem; }
  .ab-steps b {
    font-family: var(--dh-mono);
    font-size: 0.68rem;
    font-weight: 500;
    color: var(--dh-muted);
    transition: color 0.3s ease;
  }
  .ab-steps i {
    position: relative;
    display: block;
    height: 3px;
    overflow: hidden;
    background: var(--dh-line-2);
  }
  .ab-steps i::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(to left, var(--dh-gold-light), var(--dh-gold));
    transform: scaleX(var(--sp, 0));
    transform-origin: right;
  }
  .ab-steps span.is-on b { color: var(--dh-gold-600); }

  .ab-route-track.is-pin .ab-steps { order: 0; }
  .ab-route-track.is-pin .ab-panel { order: 1; }
  .ab-route-track.is-pin .ab-route__list { order: 2; }
  .ab-route-track.is-pin .ab-panel {
    display: block;
    flex-shrink: 0;
    width: 100%;
    aspect-ratio: 4 / 3;
    max-height: 38svh;
    border: 1px solid var(--dh-line-2);
  }
  .ab-route-track.is-pin .ab-panel svg { opacity: 0; transition: opacity 0.5s ease; }
  .ab-route-track.is-pin .ab-panel svg.is-on { opacity: 1; }
  .ab-route-track.is-pin .ab-route__list {
    flex: 1;
    min-height: 0;
    display: grid;
    padding-inline-start: 0;
  }
  .ab-route-track.is-pin .ab-route__line,
  .ab-route-track.is-pin .ab-stop__node,
  .ab-route-track.is-pin .ab-stop__fig { display: none; }
  /* المحطات فوق بعض، وحدة بس ظاهرة */
  .ab-route-track.is-pin .ab-stop {
    grid-area: 1 / 1;
    padding-block: 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(14px);
    transition: opacity 0.4s ease, transform 0.6s var(--dh-ease), visibility 0s linear 0.4s;
  }
  .ab-route-track.is-pin .ab-stop.is-on {
    opacity: 1;
    visibility: visible;
    transform: none;
    transition: opacity 0.45s ease 0.12s, transform 0.7s var(--dh-ease) 0.12s, visibility 0s;
  }
  .ab-route-track.is-pin .ab-stop h3 { margin-top: 0.35rem; font-size: clamp(1.35rem, 5.4vw, 1.75rem); }
  .ab-route-track.is-pin .ab-stop ul { margin-top: 0.7rem; gap: 0.35rem; }
  .ab-route-track.is-pin .ab-stop li { font-size: 0.95rem; line-height: 1.65; }
}
@media (max-width: 1023px) and (max-height: 700px) {
  .ab-route-track.is-pin .ab-route { padding-top: 4.25rem; gap: 0.75rem; }
  .ab-route-track.is-pin .ab-panel { max-height: 31svh; }
  .ab-route-track.is-pin .ab-stop li { font-size: 0.88rem; line-height: 1.55; }
}

/* =====================================================================
   شريط متحرك
   ===================================================================== */
.ab-marq {
  overflow: hidden;
  background: linear-gradient(135deg, var(--dh-gold-light), var(--dh-gold));
  color: var(--dh-ink);
  border-block: 1px solid rgba(14, 43, 43, 0.15);
}
.ab-marq__track {
  display: flex;
  width: max-content;
  animation: ab-marq 40s linear infinite;
}
.ab-marq__track span {
  display: flex;
  align-items: center;
  gap: 1.6rem;
  padding: 1.1rem 0.8rem;
  padding-inline-end: 1.6rem;
  font-size: clamp(1.3rem, 0.9rem + 1.6vw, 2.3rem);
  font-weight: 900;
  white-space: nowrap;
}
.ab-marq__track span::after { content: "✦"; font-size: 0.6em; opacity: 0.55; }

/* =====================================================================
   D-06 ما الذي يميّزنا: جدول حسابات غامق
   ===================================================================== */
.ab-eq {
  position: relative;
  overflow: hidden;
  overflow: clip;
  isolation: isolate;
  color: #fff;
  background-color: var(--dh-ink);
}
.ab-eq::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(217, 235, 235, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(217, 235, 235, 0.06) 1px, transparent 1px);
  background-size: 80px 80px;
}
.ab-eq .ds-title { color: #fff; }
.ab-eq .ds-lead { color: rgba(217, 235, 235, 0.7); }
.ab-eq__sheet { border: 1px solid rgba(217, 235, 235, 0.16); }
.ab-eq__row {
  display: grid;
  grid-template-columns: 3.5rem minmax(0, 1fr);
  align-items: center;
  border-top: 1px solid rgba(217, 235, 235, 0.12);
}
.ab-eq__row > * { padding: 1.4rem 1.2rem; }
.ab-eq__row > * + * { border-inline-start: 1px solid rgba(217, 235, 235, 0.1); }
@media (min-width: 768px) {
  .ab-eq__row { grid-template-columns: 4.5rem minmax(0, 1.4fr) minmax(0, 1fr); }
}
.ab-eq__head {
  border-top: 0;
  font-size: 0.78rem;
  font-weight: 700;
  color: rgba(217, 235, 235, 0.5);
  background: rgba(217, 235, 235, 0.03);
}
.ab-eq__head > * { padding-block: 0.8rem; }
.ab-eq__no { font-family: var(--dh-mono); font-size: 0.85rem; color: var(--dh-gold-light); text-align: center; }
.ab-eq__f {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.2rem 0.8rem;
  font-size: clamp(1.5rem, 0.9rem + 2.4vw, 3.1rem);
  font-weight: 900;
  line-height: 1.25;
}
.ab-eq__f .op { font-family: var(--dh-mono); font-weight: 400; color: var(--dh-gold); }
.ab-eq__r { font-size: clamp(1rem, 0.9rem + 0.5vw, 1.3rem); font-weight: 700; color: var(--dh-gold-light); }
@media (max-width: 767px) {
  .ab-eq__head > :last-child { display: none; }
  .ab-eq__r { grid-column: 2; border-inline-start: 1px solid rgba(217, 235, 235, 0.1); padding-top: 0 !important; }
}
.ab-eq__row--sum { background: rgba(217, 169, 63, 0.08); border-top: 2px solid var(--dh-gold); }
.ab-eq__row--sum .ab-eq__f { color: var(--dh-gold-light); }
.ab-eq__row--sum .ab-eq__r { color: #fff; font-size: clamp(1.2rem, 1rem + 1vw, 1.8rem); font-weight: 900; }

/* المعادلة بتتركّب مع السكرول (القيم --pa/--pb/--po/--pr من about.js، والافتراضي 1) */
.ab-eq__stage { position: relative; }
.ab-eq__glyph {
  position: absolute;
  z-index: -1;
  top: 50%;
  inset-inline-end: -6vw;
  font-family: var(--dh-mono);
  font-size: min(58vw, 44rem);
  font-weight: 400;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(242, 210, 127, 0.13);
  transform: translateY(-50%) rotate(calc(var(--gp, 0) * 180deg));
  pointer-events: none;
  user-select: none;
}
.ab-eq__row { --p: 1; --pa: 1; --pb: 1; --po: 1; --pr: 1; position: relative; }
.ab-eq__row:not(.ab-eq__head)::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  bottom: -1px;
  height: 1px;
  background: linear-gradient(to left, var(--dh-gold), transparent);
  transform: scaleX(var(--p));
  transform-origin: right;
}
.ab-eq__f { --slide: 140px; overflow-x: clip; }
@media (max-width: 767px) { .ab-eq__f { --slide: 64px; } }
.ab-eq__f > * { display: inline-block; will-change: transform, opacity; }
.ab-eq__f .a { opacity: var(--pa); transform: translateX(calc((1 - var(--pa)) * var(--slide))); }
.ab-eq__f .b { opacity: var(--pb); transform: translateX(calc((1 - var(--pb)) * var(--slide) * -1)); }
.ab-eq__f .op { opacity: var(--po); transform: scale(calc(0.3 + var(--po) * 0.7)) rotate(calc((1 - var(--po)) * -270deg)); }
.ab-eq__r { clip-path: inset(-0.3em 0 -0.3em calc((1 - var(--pr)) * 100%)); }
.ab-eq__no { opacity: calc(0.3 + var(--p) * 0.7); }
/* السطر الأخير: "منصة واحدة" بتتعبّى ذهبي و"مستقبل كامل" بيضوي */
.ab-eq__row--sum .ab-eq__f .a {
  color: transparent;
  background:
    linear-gradient(135deg, var(--dh-gold-light), var(--dh-gold)) no-repeat right / calc(var(--pr) * 100%) 100%,
    rgba(217, 235, 235, 0.22);
  -webkit-background-clip: text;
  background-clip: text;
}
.ab-eq__row--sum .ab-eq__r { text-shadow: 0 0 calc(var(--pr) * 26px) rgba(242, 210, 127, 0.55); }
.ab-eq__row--sum { background: rgba(217, 169, 63, calc(var(--pr) * 0.1)); }

/* ديسكتوب طويل: القسم بيثبت والسطور بتتركّب وحدة ورا التانية */
@media (min-width: 1024px) and (min-height: 760px) {
  .ab-eq--live { padding-block: 0; }
  .ab-eq--live .ab-eq__track { height: 270vh; }
  .ab-eq--live .ab-eq__stage {
    position: sticky;
    top: 0;
    height: 100vh;
    display: flex;
    align-items: center;
    padding-block: 5.5rem 2rem;
  }
  .ab-eq--live .ab-eq__stage > .container { width: 100%; }
  .ab-eq--live .ds-head { margin-bottom: 2.25rem; }
  .ab-eq--live .ab-eq__row > * { padding-block: 1.05rem; }
}

/* =====================================================================
   حركات
   ===================================================================== */
@keyframes ab-drift { from { transform: translateX(-14px); } to { transform: translateX(14px); } }
@keyframes ab-marq { from { transform: translateX(0); } to { transform: translateX(50%); } }
@keyframes ab-fill { from { transform: scaleX(0); } to { transform: scaleX(1); } }
@keyframes ab-redraw { from { stroke-dashoffset: 1; } to { stroke-dashoffset: 0; } }

@media (prefers-reduced-motion: reduce) {
  .ab-svg .l { transition: none; stroke-dashoffset: 0; }
  .ab-svg text, .ab-svg .dot { transition: none; opacity: 1; }
  .ab-walker { opacity: 1; transition: none; }
  .ab-water, .ab-marq__track { animation: none; }
  .ab-hero__up, .ab-hero__title em, .ab-strike::after, .ab-rot, .ab-rot > span,
  .ab-stop, .ab-man__text .w { transition: none; }
  .ab-hero__up { opacity: 1; transform: none; }
  .ab-hero__title em { background-size: 100% 100%; }
  .ab-strike::after { transform: scaleX(1) rotate(-3deg); }
  .ab-man__text .w { opacity: 1; }
  .ab-pill.is-on::after { animation: none; transform: scaleX(1); }
  .ab-who__card:hover .ab-svg .l { animation: none; }
}