/* =========================================================
   ALPA Image Slider - Premium Hero Edition
   Full-bleed, layered gradient, Ken Burns, premium controls
   ========================================================= */

.alpa-slider {
  position: relative;
  width: 100%;
  min-height: 800px;
  height: 90vh;
  max-height: 900px;
  margin: 0;
  padding: 0;
  background: var(--ink, #0b1a33);
  overflow: hidden;
  isolation: isolate;
}

.alpa-slider-track {
  position: relative;
  width: 100%;
  height: 100%;
}

/* ---------- Slides ---------- */
.alpa-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1.2s ease-in-out;
  pointer-events: none;
}

.alpa-slide.is-active {
  opacity: 1;
  pointer-events: auto;
  z-index: 1;
}

.alpa-slide-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  transform: scale(1.02);
  transition: transform 7s ease-out;
  will-change: transform;
}

.alpa-slide.is-active .alpa-slide-image {
  transform: scale(1.1);
}

/* ---------- Premium gradient overlay (layered) ---------- */
.alpa-slide-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(
      180deg,
      rgba(11, 26, 51, 0.55) 0%,
      rgba(11, 26, 51, 0.25) 35%,
      rgba(11, 26, 51, 0.45) 65%,
      rgba(11, 26, 51, 0.88) 100%
    ),
    radial-gradient(
      ellipse at center,
      transparent 0%,
      rgba(11, 26, 51, 0.25) 70%,
      rgba(11, 26, 51, 0.45) 100%
    );
}

/* ---------- Slide content ---------- */
.alpa-slide-content {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0 1.5rem;
  pointer-events: none;
}

.alpa-slide-content > * {
  pointer-events: auto;
  max-width: 920px;
}

.alpa-slide-label {
  display: inline-block;
  font-family: "Inter", sans-serif;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.35em;
  color: var(--gold, #c9a04a);
  margin: 0 0 1.5rem;
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s ease 0.1s, transform 0.7s ease 0.1s;
}

.alpa-slide.is-active .alpa-slide-label {
  opacity: 1;
  transform: translateY(0);
}

.alpa-slide-title {
  font-family: "Playfair Display", Georgia, serif;
  font-size: clamp(2.25rem, 5.5vw, 4.5rem);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--cream, #f7f3e9);
  margin: 0;
  text-wrap: balance;
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s ease 0.2s, transform 0.8s ease 0.2s;
}

.alpa-slide.is-active .alpa-slide-title {
  opacity: 1;
  transform: translateY(0);
}

.alpa-slide-divider {
  width: 60px;
  height: 1px;
  background: var(--gold, #c9a04a);
  margin: 1.5rem auto 0;
  opacity: 0;
  transform: scaleX(0);
  transform-origin: center;
  transition: opacity 0.6s ease 0.5s, transform 0.6s ease 0.5s;
}

.alpa-slide.is-active .alpa-slide-divider {
  opacity: 1;
  transform: scaleX(1);
}

.alpa-slide-subtitle {
  font-family: "Inter", sans-serif;
  font-size: clamp(0.95rem, 1.2vw, 1.1rem);
  font-weight: 300;
  line-height: 1.65;
  color: rgba(247, 243, 233, 0.88);
  margin: 1.25rem auto 0;
  max-width: 640px;
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s ease 0.6s, transform 0.7s ease 0.6s;
}

.alpa-slide.is-active .alpa-slide-subtitle {
  opacity: 1;
  transform: translateY(0);
}

.alpa-slide-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  margin: 2.25rem 0 0;
  padding: 1rem 2.1rem;
  background: transparent;
  color: var(--cream, #f7f3e9);
  border: 1px solid rgba(247, 243, 233, 0.5);
  font-family: "Inter", sans-serif;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.28em;
  text-decoration: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 0.7s ease 0.8s,
    transform 0.7s ease 0.8s,
    background 0.35s,
    border-color 0.35s,
    color 0.35s;
}

.alpa-slide.is-active .alpa-slide-cta {
  opacity: 1;
  transform: translateY(0);
}

.alpa-slide-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--gold, #c9a04a);
  transform: translateX(-101%);
  transition: transform 0.4s ease;
  z-index: -1;
}

.alpa-slide-cta:hover {
  border-color: var(--gold, #c9a04a);
  color: var(--ink, #0b1a33);
}

.alpa-slide-cta:hover::before {
  transform: translateX(0);
}

.alpa-slide-cta svg {
  width: 14px;
  height: 14px;
  transition: transform 0.3s;
  flex-shrink: 0;
}

.alpa-slide-cta:hover svg {
  transform: translateX(4px);
}

/* ---------- Navigation arrows (hidden, appear on hover) ---------- */
.alpa-slider-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 54px;
  height: 54px;
  background: rgba(11, 26, 51, 0.35);
  color: var(--cream, #f7f3e9);
  border: 1px solid rgba(247, 243, 233, 0.18);
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 0;
  opacity: 0;
  transition:
    opacity 0.4s,
    background 0.3s,
    border-color 0.3s,
    transform 0.3s;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.alpa-slider:hover .alpa-slider-btn,
.alpa-slider-btn:focus-visible {
  opacity: 1;
}

.alpa-slider-btn:hover {
  background: rgba(11, 26, 51, 0.75);
  border-color: var(--gold, #c9a04a);
}

.alpa-slider-btn:focus-visible {
  outline: 2px solid var(--gold, #c9a04a);
  outline-offset: 3px;
}

.alpa-slider-btn--prev { left: 1.5rem; }
.alpa-slider-btn--next { right: 1.5rem; }

.alpa-slider-btn svg {
  width: 22px;
  height: 22px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ---------- Bottom controls (counter + dots) ---------- */
.alpa-slider-controls {
  position: absolute;
  bottom: 2.5rem;
  left: 0;
  right: 0;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding: 0 1.5rem;
  pointer-events: none;
}

.alpa-slider-controls > * { pointer-events: auto; }

.alpa-slider-counter {
  font-family: "Inter", sans-serif;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(247, 243, 233, 0.55);
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-variant-numeric: tabular-nums;
}

.alpa-slider-counter .current {
  color: var(--cream, #f7f3e9);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.1em;
}

.alpa-slider-counter .total {
  color: rgba(247, 243, 233, 0.45);
}

.alpa-slider-counter .sep {
  color: var(--gold, #c9a04a);
  font-weight: 400;
}

/* ---------- Dots (line style) ---------- */
.alpa-slider-dots {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  padding: 0.25rem;
}

.alpa-dot {
  width: 28px;
  height: 2px;
  background: rgba(247, 243, 233, 0.22);
  border: none;
  cursor: pointer;
  padding: 0;
  position: relative;
  overflow: hidden;
  transition: background 0.3s, width 0.3s;
}

.alpa-dot::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--gold, #c9a04a);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.alpa-dot:hover {
  background: rgba(247, 243, 233, 0.4);
}

.alpa-dot:hover::after {
  background: var(--cream, #f7f3e9);
  transform: scaleX(1);
}

.alpa-dot.is-active {
  background: rgba(247, 243, 233, 0.35);
  width: 44px;
}

.alpa-dot.is-active::after {
  transform: scaleX(1);
}

/* ---------- Progress bar (auto-play indicator) ---------- */
.alpa-slider-progress {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: rgba(247, 243, 233, 0.08);
  overflow: hidden;
  z-index: 10;
  pointer-events: none;
}

.alpa-slider-progress-bar {
  height: 100%;
  width: 100%;
  background: var(--gold, #c9a04a);
  transform-origin: left;
  transform: scaleX(0);
  will-change: transform;
}

.alpa-slider-progress-bar.is-running {
  animation: alpa-progress var(--alpa-progress-duration, 4000ms) linear forwards;
}

.alpa-slider.is-paused .alpa-slider-progress-bar.is-running {
  animation-play-state: paused;
}

@keyframes alpa-progress {
  from { transform: scaleX(0); }
  to   { transform: scaleX(1); }
}

/* ---------- Empty state ---------- */
.alpa-slider-empty {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cream, #f7f3e9);
  text-align: center;
  padding: 2rem;
  font-family: "Inter", system-ui, sans-serif;
  z-index: 2;
}

.alpa-slider-empty code {
  background: rgba(247, 243, 233, 0.12);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.9em;
}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 1024px) {
  .alpa-slider {
    min-height: 620px;
    height: 78vh;
  }
}

@media (max-width: 768px) {
  .alpa-slider {
    min-height: 520px;
    height: 82vh;
    max-height: 720px;
  }
  .alpa-slider-btn { width: 44px; height: 44px; }
  .alpa-slider-btn--prev { left: 0.75rem; }
  .alpa-slider-btn--next { right: 0.75rem; }
  .alpa-slider-btn svg { width: 18px; height: 18px; }
  .alpa-slider-controls { bottom: 1.5rem; gap: 0.75rem; }
  .alpa-dot { width: 22px; }
  .alpa-dot.is-active { width: 34px; }
  .alpa-slide-cta { padding: 0.85rem 1.75rem; }
}

@media (max-width: 480px) {
  .alpa-slider {
    min-height: 560px;
    height: 92vh;
    max-height: 720px;
  }
  .alpa-slide-image{
    object-fit: contain;
    object-position: center;
  }
  .alpa-slide-title { font-size: clamp(1.85rem, 8.5vw, 2.5rem); }
  .alpa-slide-subtitle { font-size: 0.9rem; }
  .alpa-slide-cta {
    padding: 0.8rem 1.4rem;
    font-size: 0.62rem;
    letter-spacing: 0.22em;
  }
  .alpa-slide-label { font-size: 0.62rem; letter-spacing: 0.28em; }
  .alpa-slider-counter { font-size: 0.62rem; }
  .alpa-slider-counter .current { font-size: 0.78rem; }
}

/* =========================================================
   Reduced motion
   ========================================================= */
@media (prefers-reduced-motion: reduce) {
  .alpa-slide,
  .alpa-slide-image,
  .alpa-slide-label,
  .alpa-slide-title,
  .alpa-slide-divider,
  .alpa-slide-subtitle,
  .alpa-slide-cta {
    transition-duration: 0.2s !important;
  }
  .alpa-slide-image,
  .alpa-slide.is-active .alpa-slide-image { transform: none !important; }
  .alpa-slider-progress-bar.is-running { animation: none !important; transform: scaleX(0) !important; }
}