/* ============================================================
   YPDMI — Hero Slider CSS
   ============================================================ */

.hero-slider {
  position: relative;
  width: 100%;
  height: calc(100vh - var(--navbar-h));
  margin-top: var(--navbar-h);
  min-height: 620px;
  max-height: 820px;
  overflow: hidden;
  background: var(--c-dark);
}

/* Slides */
.slide {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  opacity: 0;
  transition: opacity 0.75s ease;
  pointer-events: none;
}
.slide.active {
  opacity: 1;
  pointer-events: auto;
}

/* Left: Image */
.slide__image-col {
  position: relative;
  overflow: hidden;
}
.slide__image-col img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.06);
  transition: transform 8s ease;
}
.slide.active .slide__image-col img { transform: scale(1); }

.slide__image-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    transparent 50%,
    var(--c-dark-2) 100%
  );
}
.slide__image-overlay-left {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to right,
    rgba(13,34,51,0.3) 0%,
    transparent 60%
  );
}

/* Right: Content */
.slide__content-col {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 3rem 3.5rem 3rem 2.5rem;
  background: var(--c-dark-2);
  position: relative;
  z-index: 1;
}

/* Geometric decoration */
.slide__content-col::before {
  content: '';
  position: absolute;
  top: -80px; right: -80px;
  width: 300px; height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(77,184,217,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.slide__content-col::after {
  content: '';
  position: absolute;
  bottom: -60px; left: -40px;
  width: 200px; height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(224,123,57,0.07) 0%, transparent 70%);
  pointer-events: none;
}

.slide__badge { margin-bottom: 1.25rem; align-self: flex-start; }

.slide__title {
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 2.5vw, 2.5rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 1.125rem;
  letter-spacing: -0.01em;
}
.slide__title .hl {
  color: var(--c-primary-400);
}

.slide__desc {
  font-size: clamp(0.875rem, 1.2vw, 1rem);
  color: rgba(255,255,255,0.72);
  line-height: 1.8;
  margin-bottom: 2rem;
  max-width: 480px;
}

.slide__actions {
  display: flex;
  gap: 0.875rem;
  flex-wrap: wrap;
}

/* Slide-in animation for content */
.slide .slide__badge,
.slide .slide__title,
.slide .slide__desc,
.slide .slide__actions {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.slide.active .slide__badge  { opacity: 1; transform: none; transition-delay: 0.3s; }
.slide.active .slide__title  { opacity: 1; transform: none; transition-delay: 0.45s; }
.slide.active .slide__desc   { opacity: 1; transform: none; transition-delay: 0.6s; }
.slide.active .slide__actions{ opacity: 1; transform: none; transition-delay: 0.75s; }

/* Progress Bar Timer */
.slider-progress {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: rgba(255,255,255,0.1);
  z-index: 10;
}
.slider-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--c-primary-400), var(--c-accent));
  width: 0%;
  transition: width linear;
}
.slider-progress-fill.running {
  width: 100%;
  transition: width 5s linear;
}

/* Navigation Arrows */
.slider-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 48px; height: 48px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.12);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.2);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  cursor: pointer;
  transition: var(--transition);
}
.slider-arrow:hover { background: rgba(255,255,255,0.25); transform: translateY(-50%) scale(1.08); }
.slider-arrow--prev { left: 1.5rem; }
.slider-arrow--next { right: 50%; /* right side of image col */ margin-right: -1.5rem; }

/* Dot navigation */
.slider-dots {
  position: absolute;
  bottom: 1.75rem;
  left: 25%; /* center of left column */
  transform: translateX(-50%);
  display: flex;
  gap: 0.625rem;
  z-index: 10;
}
.dot {
  width: 8px; height: 8px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.35);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  padding: 0;
}
.dot.active {
  width: 28px;
  background: var(--c-primary-400);
}

/* Slide counter */
.slide-counter {
  position: absolute;
  top: 1.75rem;
  left: 25%;
  transform: translateX(-50%);
  color: rgba(255,255,255,0.6);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  z-index: 10;
}
.slide-counter .current { color: #fff; font-size: 1rem; }

/* Pause on hover */
.hero-slider:hover .slider-progress-fill.running {
  animation-play-state: paused;
}

/* Responsive */
@media (max-width: 900px) {
  .hero-slider { height: auto; max-height: none; min-height: auto; }
  .slide {
    grid-template-columns: 1fr;
    position: relative;
    opacity: 1;
    display: none;
  }
  .slide.active { display: flex; flex-direction: column; }
  .slide__image-col { height: 55vw; min-height: 240px; max-height: 360px; }
  .slide__image-overlay { background: linear-gradient(to bottom, transparent 60%, rgba(13,34,51,0.9)); }
  .slide__content-col { padding: 2rem var(--container-pad); }
  .slider-arrow--next { right: 1.5rem; }
  .slider-dots { left: 50%; bottom: auto; top: calc(55vw - 32px); }
  .slide-counter { display: none; }
}
@media (max-width: 480px) {
  .slide__content-col { padding: 1.5rem 1.25rem 2.5rem; }
  .slide__actions { flex-direction: column; }
  .slide__actions .btn { width: 100%; justify-content: center; }
}