:root {
  --gold: #c9a84c;
  --gold-light: #e2c06a;
  --white: #ffffff;
  --dark-navy: #0d1b2a;
  --dark-bg: #111827;
  --card-bg: rgba(255,255,255,0.05);
  --card-border: rgba(255,255,255,0.1);
  --font-arabic: 'Cairo', 'Tajawal', Arial, sans-serif;
  --slide-transition: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  font-family: var(--font-arabic);
  direction: rtl;
  background: var(--dark-navy);
}

 
.presentation {
  position: relative;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
}


.slides-wrapper {
  display: flex;
  flex-wrap: nowrap;
  width: 100%;
  height: 100%;
  transition: transform var(--slide-transition);
  direction: ltr;
}

.slide {
  flex: 0 0 100vw;
  width: 100vw;
  height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 80px;
  position: relative;
  overflow: hidden;
  direction: rtl;
}

 
.white { color: var(--white); }
.gold  { color: var(--gold);  }

.slide-title {
  font-size: 2.4rem;
  font-weight: 800;
  text-align: center;
  margin-bottom: 10px;
}
.slide-title .gold  { color: var(--gold);  }
.slide-title .white { color: var(--white); }

.slide-subtitle {
  color: rgba(255,255,255,0.5);
  text-align: center;
  font-size: 0.95rem;
  margin-bottom: 42px;
}
 
.slide-layout-two-col {
  display: flex;
  align-items: flex-start;
  gap: 80px;
  width: 100%;
  max-width: 1100px;
}

.col-right { flex: 0 0 380px; }
.col-left  { flex: 1; }

 
.module-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 28px;
}

.module-header-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  background: rgba(59,130,246,0.2);
}

.module-header h2 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--white);
}

.module-header span {
  display: block;
  font-size: 0.8rem;
  color: #3b82f6;
  font-weight: 400;
  letter-spacing: 0.5px;
}
 
.feature-list { list-style: none; }

.feature-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255,255,255,0.8);
  font-size: 0.95rem;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.feature-list li::before {
  content: '✓';
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: rgba(34,197,94,0.2);
  color: #22c55e;
  font-size: 0.7rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

 
.nav-btn {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 50%;
  color: var(--white);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: all 0.25s ease;
  z-index: 100;
  backdrop-filter: blur(8px);
}

.nav-btn:hover {
  background: rgba(201,168,76,0.2);
  border-color: rgba(201,168,76,0.5);
  color: var(--gold);
}

.nav-btn.prev { right: 20px; }
.nav-btn.next { left: 20px; }

.nav-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}
 
.dots-container {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 8px;
  z-index: 100;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.3);
  cursor: pointer;
  transition: all 0.3s ease;
}

.dot.active {
  width: 32px;
  border-radius: 4px;
  background: var(--gold);
}

 
.slide-counter {
  position: fixed;
  top: 20px;
  right: 24px;
  color: rgba(255,255,255,0.4);
  font-size: 0.85rem;
  z-index: 100;
  letter-spacing: 1px;
}

 
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes floatIcon {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-8px); }
}

.slide.active .anim {
  animation: fadeUp 0.5s ease forwards;
}

.slide.active .anim:nth-child(1) { animation-delay: 0.0s; }
.slide.active .anim:nth-child(2) { animation-delay: 0.1s; }
.slide.active .anim:nth-child(3) { animation-delay: 0.2s; }
.slide.active .anim:nth-child(4) { animation-delay: 0.3s; }
.slide.active .anim:nth-child(5) { animation-delay: 0.4s; }

.anim { opacity: 0; }

 
@media (max-width: 1024px) {
  .slide                { padding: 40px 40px 70px; }
  .slide-layout-two-col { gap: 40px; }
  .col-right            { flex: 0 0 280px; }
  .slide-title          { font-size: 2rem; }
}
 
@media (max-width: 768px) {
  html, body     { overflow: hidden; }
  .presentation  { overflow: hidden; }

  .slide {
    min-width: 100vw;
    height: 100vh;
    min-height: 100vh;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 70px 18px 90px;
    justify-content: flex-start;
    align-items: center;
    -webkit-overflow-scrolling: touch;
  }

   .nav-btn {
    width: 38px;
    height: 38px;
    font-size: 1.1rem;
    top: auto;
    bottom: 52px;
    transform: none;
  }
  .nav-btn.prev { right: 18px; }
  .nav-btn.next { left: 18px; }

  .dots-container { bottom: 16px; gap: 6px; }
  .dot            { width: 7px; height: 7px; }
  .dot.active     { width: 24px; }

  .slide-counter  { top: 14px; right: 16px; font-size: 0.75rem; }

   .slide-title    { font-size: 1.6rem; margin-bottom: 6px; }
  .slide-subtitle { font-size: 0.82rem; margin-bottom: 20px; }

   .slide-layout-two-col { flex-direction: column; gap: 20px; width: 100%; }
  .col-right, .col-left { flex: none; width: 100%; }

  .module-header        { margin-bottom: 16px; }
  .module-header h2     { font-size: 1.4rem; }
  .module-header-icon   { width: 44px; height: 44px; font-size: 1.2rem; }
  .feature-list li      { font-size: 0.82rem; padding: 6px 0; }
}

 
@media (max-width: 400px) {
  .slide       { padding: 65px 14px 85px; }
  .slide-title { font-size: 1.35rem; }
}