/* ═══════════════════════════════════════════════════════════════
   DR. HOSSAM SHEPL — الحركة والتفاعل
   كل شيء هنا مشروط بـ html.uk-motion (يضيفها جافاسكربت في الـ head)،
   فلو الجافاسكربت معطّل يظهر المحتوى كاملًا بدون أي إخفاء.
   ═══════════════════════════════════════════════════════════════ */

/* ══════════════ ظهور العناصر مع التمرير ══════════════ */

html.uk-motion [data-reveal] {
  opacity: 0;
  will-change: opacity, transform;
  /* شبكة أمان: لو لم يعمل السكربت، يظهر المحتوى بعد 4 ثوانٍ */
  animation: ukRevealSafety .01s linear 4s forwards;
}

html.uk-motion [data-reveal="up"]    { transform: translateY(30px); }
html.uk-motion [data-reveal="down"]  { transform: translateY(-24px); }
html.uk-motion [data-reveal="start"] { transform: translateX(34px); }
html.uk-motion [data-reveal="end"]   { transform: translateX(-34px); }
html.uk-motion [data-reveal="zoom"]  { transform: scale(.93); }

html.uk-motion [data-reveal].is-in {
  animation: none;
  opacity: 1;
  transform: none;
  transition:
    opacity .72s var(--ease) var(--uk-delay, 0ms),
    transform .72s var(--ease) var(--uk-delay, 0ms);
}

@keyframes ukRevealSafety { to { opacity: 1; transform: none; } }

/* ══════════════ دورق المعمل — مؤشّر تقدّم القراءة ══════════════ */

.uk-road {
  position: fixed;
  inset-block-end: 0;
  inset-inline: 0;
  z-index: 1250;
  height: 126px;
  pointer-events: none;
  contain: layout style;
}

.uk-road::before {
  content: "";
  position: absolute;
  inset-block-end: 0;
  inset-inline: 0;
  height: 4px;
  background:
    repeating-linear-gradient(90deg,
      var(--border) 0 14px,
      transparent 14px 26px);
}

.uk-road__done {
  position: absolute;
  inset-block-end: 0;
  inset-inline: 0;
  height: 4px;
  transform: scaleX(0);
  transform-origin: right center;
  background: linear-gradient(90deg, var(--uk-gold-500), var(--uk-red-700) 45%, var(--uk-navy-800));
  will-change: transform;
}

html[dir="ltr"] .uk-road__done { transform-origin: left center; }

.uk-bus {
  position: absolute;
  inset-block-end: 6px;
  inset-inline-start: 0;
  width: 84px;
  height: 120px;
  background: url("../img/uk/char-flask-scroll.webp") center bottom / contain no-repeat;
  transform: translate3d(0, 0, 0);
  will-change: transform;
  contain: layout style;
}

.uk-bus__blind,
.uk-bus__win,
.uk-bus__wheel { display: none; }

body.uk-hasRoad .uk-toTop { inset-block-end: 136px; }

@media (max-width: 640px) {
  .uk-road { height: 100px; }
  .uk-bus {
    width: 66px;
    height: 94px;
  }
  body.uk-hasRoad .uk-toTop { inset-block-end: 108px; }
}

/* ══════════════ الهيدر عند التمرير ══════════════ */

.uk-hdr { transition: box-shadow .3s var(--ease); }

.uk-hdr.is-stuck { box-shadow: 0 10px 30px rgba(5, 34, 38, .16); }

.uk-hdr.is-stuck .uk-hdr__top {
  max-height: 0;
  padding-block: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height .34s var(--ease), opacity .24s var(--ease), padding .34s var(--ease);
}

.uk-hdr__top {
  max-height: 70px;
  opacity: 1;
  transition: max-height .34s var(--ease), opacity .3s var(--ease) .06s, padding .34s var(--ease);
}

/* ══════════════ زر العودة للأعلى ══════════════ */

.uk-toTop {
  position: fixed;
  inset-block-end: 22px;
  inset-inline-start: 22px;
  z-index: 1200;
  display: grid;
  place-items: center;
  width: 50px;
  height: 50px;
  padding: 0;
  border: 2px solid #fff;
  border-radius: 50%;
  background: var(--grad-navy);
  color: #fff;
  cursor: pointer;
  box-shadow: var(--shadow-navy);
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px) scale(.9);
  transition: opacity .3s var(--ease), transform .3s var(--ease-bounce), visibility .3s;
}

.uk-toTop.is-on { opacity: 1; visibility: visible; transform: none; }
.uk-toTop:hover { background: var(--grad-red); transform: translateY(-3px); }
.uk-toTop:focus-visible { outline: 3px solid var(--uk-gold-400); outline-offset: 3px; }
.uk-toTop svg { display: block; }

/* ══════════════ تموّج الأزرار عند الضغط ══════════════ */

.uk-btn { position: relative; overflow: hidden; }

.uk-ripple {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  transform: scale(0);
  background: rgba(255, 255, 255, .45);
  animation: ukRipple .62s var(--ease) forwards;
}

.uk-btn--outline .uk-ripple,
.uk-btn--white .uk-ripple,
.uk-btn--ghost .uk-ripple { background: rgba(1, 33, 105, .22); }

@keyframes ukRipple {
  to { transform: scale(2.6); opacity: 0; }
}

/* لمعة تمرّ على الزرار الأساسي */
.uk-btn--red::after,
.uk-btn--navy::after {
  content: "";
  position: absolute;
  inset-block: 0;
  inset-inline-start: -60%;
  width: 40%;
  pointer-events: none;
  background: linear-gradient(100deg, transparent, rgba(255, 255, 255, .34), transparent);
  transform: skewX(-18deg);
  transition: inset-inline-start .55s var(--ease);
}

html[data-theme="dark"] .uk-btn--red::after,
html[data-theme="dark"] .uk-btn--navy::after,
html[data-theme="dark"] .uk-grade__media::after {
  display: none;
}

.uk-btn--red:hover::after,
.uk-btn--navy:hover::after { inset-inline-start: 120%; }

/* ══════════════ كروت الصفوف — ميل ولمعة ══════════════ */

html.uk-motion .uk-grade {
  transform-style: preserve-3d;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}

.uk-grade__media::after {
  content: "";
  position: absolute;
  inset-block: 0;
  inset-inline-start: -75%;
  z-index: 2;
  width: 50%;
  pointer-events: none;
  background: linear-gradient(100deg, transparent, rgba(255, 255, 255, .42), transparent);
  transform: skewX(-16deg);
  transition: inset-inline-start .7s var(--ease);
}

.uk-grade:hover .uk-grade__media::after { inset-inline-start: 130%; }

/* سهم الدعوة يتحرك */
.uk-grade__cta svg { transition: transform .3s var(--ease); }
.uk-grade:hover .uk-grade__cta svg { transform: translateX(-6px); }
html[dir="ltr"] .uk-grade:hover .uk-grade__cta svg { transform: translateX(6px); }

/* ══════════════ كروت المهارات والمميزات ══════════════ */

.uk-skill,
.uk-feature {
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}

.uk-skill:hover,
.uk-feature:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: var(--uk-navy-800);
}

.uk-skill__ico {
  transition: transform .4s var(--ease-bounce), background .3s var(--ease), color .3s var(--ease);
}

.uk-skill:hover .uk-skill__ico {
  transform: rotate(-8deg) scale(1.12);
  background: var(--uk-red-700);
  color: #fff;
}

/* ══════════════ شرائح المهارات في الهيرو ══════════════ */

.uk-hero__skills span {
  transition: transform .26s var(--ease-bounce), background .26s var(--ease),
              color .26s var(--ease), border-color .26s var(--ease);
  cursor: default;
}

.uk-hero__skills span:hover {
  transform: translateY(-4px) scale(1.05);
  background: var(--uk-navy-800);
  border-color: var(--uk-navy-800);
  color: #fff;
}

/* ══════════════ خطوات الدراسة ══════════════ */

.uk-step { transition: transform .3s var(--ease), background .3s var(--ease); }
.uk-step:hover { transform: translateY(-6px); }

.uk-step__num { transition: transform .35s var(--ease-bounce), background .3s var(--ease); }
.uk-step:hover .uk-step__num { transform: scale(1.14) rotate(-6deg); background: var(--uk-gold-500); }

/* ══════════════ صورة الهيرو ══════════════ */

html.uk-motion .uk-hero__art {
  animation: ukHeroFloat 7s var(--ease) 1.2s infinite alternate;
}

@keyframes ukHeroFloat {
  from { transform: translateY(0); }
  to   { transform: translateY(-14px); }
}

.uk-hero__badge { transition: transform .3s var(--ease-bounce); }
.uk-hero__art:hover .uk-hero__badge { transform: scale(1.07); }

/* ══════════════ الشريط المتحرك — يتوقف عند المرور ══════════════ */

.uk-strip:hover .uk-strip__track { animation-play-state: paused; }

.uk-gradeRail:hover .uk-gradeRail__track,
.uk-gradeRail:focus-within .uk-gradeRail__track { animation-play-state: paused; }

/* ══════════════ خط تحت عناوين الأقسام ══════════════ */

.uk-section__title { position: relative; }

/* ══════════════ احترام تفضيلات الحركة والأداء ══════════════ */

@media (prefers-reduced-motion: reduce) {
  html.uk-motion [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
    animation: none !important;
  }
  html.uk-motion .uk-hero__art { animation: none !important; }
  .uk-toTop { transition: none; }
}

/* الحركة شغّالة على الموبايل والتطبيق زي الكمبيوتر —
   الاستثناء الوحيد هو المستخدم اللي مفعّل «تقليل الحركة» في نظامه. */
@media (prefers-reduced-motion: reduce) {
  .uk-road { display: none; }
}