/* ==========================================================================
   Sejarah — scroll-story (Tailwind tw- + GSAP companion)
   ========================================================================== */

.sejarah-page .sj-story {
  --sj-navy: var(--tm-primary);
  --sj-teal: #2a9d8f;
  --sj-gold: var(--tm-secondary);
  --sj-media-h: clamp(140px, 30svh, 260px);
  --sj-stage-h: 72vh;
  --sj-stage-viewport: calc(100svh - var(--tm-header-h, 72px) - env(safe-area-inset-top, 0px));
  --sj-slide-footer: calc(2.75rem + env(safe-area-inset-bottom, 0px));
  position: relative;
  isolation: isolate;
  overflow: visible;
  scroll-margin-top: 0;
}

/* —— Stage —— */
.sejarah-page .sj-story__stage {
  position: relative;
  touch-action: pan-y;
  height: var(--sj-stage-viewport);
  min-height: var(--sj-stage-viewport);
  max-height: var(--sj-stage-viewport);
  overflow: hidden;
}

.sejarah-page .sj-story__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(ellipse 90% 55% at 15% 18%, rgba(42, 157, 143, 0.16), transparent 58%),
    radial-gradient(ellipse 70% 50% at 85% 78%, rgba(29, 54, 92, 0.14), transparent 60%),
    linear-gradient(165deg, #f3f7fa 0%, #f8fafc 42%, #eef4f8 100%);
}

/* —— Parallax waves —— */
.sejarah-page .sj-story__wave {
  position: absolute;
  left: 0;
  width: 100%;
  pointer-events: none;
  will-change: transform;
}

.sejarah-page .sj-story__wave--1 {
  bottom: -2%;
  height: 42%;
  opacity: 0.55;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 320'%3E%3Cpath fill='%232a9d8f' fill-opacity='0.12' d='M0,192L80,186.7C160,181,320,171,480,181.3C640,192,800,224,960,213.3C1120,203,1280,149,1360,122.7L1440,96L1440,320L1360,320C1280,320,1120,320,960,320C800,320,640,320,480,320C320,320,160,320,80,320L0,320Z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: bottom center;
  background-size: cover;
}

.sejarah-page .sj-story__wave--2 {
  bottom: 8%;
  height: 28%;
  opacity: 0.35;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 120'%3E%3Cpath fill='%231d365c' fill-opacity='0.08' d='M0,64L60,69.3C120,75,240,85,360,80C480,75,600,53,720,48C840,43,960,53,1080,58.7C1200,64,1320,64,1380,64L1440,64L1440,120L1380,120C1320,120,1200,120,1080,120C960,120,840,120,720,120C600,120,480,120,360,120C240,120,120,120,60,120L0,120Z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: bottom center;
  background-size: cover;
}

/* —— Loading skeleton —— */
.sejarah-page .sj-story.is-loading .sj-story__layout {
  visibility: hidden;
  pointer-events: none;
}

.sejarah-page .sj-story.is-loading .sj-story__counter {
  opacity: 0;
}

.sejarah-page .sj-story__skeleton {
  position: absolute;
  inset: 0;
  z-index: 5;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: calc(var(--tm-header-h, 72px) + 1.5rem) 1.25rem 4rem;
  pointer-events: none;
  transition: opacity 0.4s ease;
}

.sejarah-page .sj-story:not(.is-loading) .sj-story__skeleton {
  opacity: 0;
  visibility: hidden;
}

.sejarah-page .sj-story__skeleton-bar,
.sejarah-page .sj-story__skeleton-media {
  border-radius: 0.75rem;
  background: linear-gradient(
    90deg,
    rgba(29, 54, 92, 0.06) 0%,
    rgba(42, 157, 143, 0.12) 50%,
    rgba(29, 54, 92, 0.06) 100%
  );
  background-size: 200% 100%;
  animation: sj-shimmer 1.4s ease-in-out infinite;
}

.sejarah-page .sj-story__skeleton-bar {
  height: 14px;
  width: 70%;
}

.sejarah-page .sj-story__skeleton-bar--wide {
  width: 45%;
  height: 22px;
}

.sejarah-page .sj-story__skeleton-bar--short {
  width: 35%;
}

.sejarah-page .sj-story__skeleton-media {
  flex: 1;
  min-height: 120px;
  margin-top: 0.5rem;
}

@keyframes sj-shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* —— Layout grid —— */
.sejarah-page .sj-story__layout {
  box-sizing: border-box;
  height: 100%;
  min-height: 0;
  padding:
    calc(var(--tm-header-h, 72px) * 0.12 + 0.5rem)
    1rem
    calc(3.5rem + env(safe-area-inset-bottom, 0px))
    1rem;
  display: grid;
  grid-template-columns: 1fr;
  grid-template-rows: auto minmax(0, var(--sj-media-h)) minmax(0, 1fr);
  grid-template-areas:
    "rail"
    "media"
    "content";
  gap: 0.35rem;
  align-content: stretch;
  padding-bottom: var(--sj-slide-footer);
}

.sejarah-page .sj-story__rail-mobile { grid-area: rail; }
.sejarah-page .sj-story__media-col { grid-area: media; }
.sejarah-page .sj-story__content-col { grid-area: content; }

.sejarah-page .sj-story__rail-desktop {
  display: none;
}

.sejarah-page .sj-story__rail-desktop--visible {
  /* shown via desktop media query */
}

.sejarah-page .sj-story__rail-mobile--visible {
  /* shown on compact */
}

/* —— Checkpoints —— */
.sejarah-page .sj-story__checkpoint {
  flex-shrink: 0;
  width: 12px;
  height: 12px;
  padding: 0;
  border: 2px solid #fff;
  border-radius: 50%;
  background: rgba(29, 54, 92, 0.3);
  cursor: pointer;
  transition:
    transform 0.35s ease,
    box-shadow 0.35s ease,
    border-color 0.35s ease,
    background-color 0.35s ease;
}

.sejarah-page .sj-story__checkpoint:focus-visible {
  outline: 2px solid var(--sj-gold);
  outline-offset: 3px;
}

.sejarah-page .sj-story__checkpoint.is-done {
  border-color: var(--sj-teal);
  background: var(--sj-teal);
}

.sejarah-page .sj-story__checkpoint.is-active {
  transform: scale(1.22);
  border-color: var(--sj-gold);
  background: var(--sj-navy);
  box-shadow:
    0 0 0 6px rgba(255, 199, 54, 0.28),
    0 0 22px rgba(255, 199, 54, 0.45);
}

/* —— Rail fills —— */
.sejarah-page .sj-story__rail-fill--h {
  background: linear-gradient(90deg, var(--sj-teal) 0%, var(--sj-navy) 55%, var(--sj-gold) 100%);
  box-shadow: 0 0 12px rgba(42, 157, 143, 0.28);
}

.sejarah-page .sj-story__rail-fill--v {
  background: linear-gradient(180deg, var(--sj-teal) 0%, var(--sj-navy) 55%, var(--sj-gold) 100%);
  box-shadow: 0 0 18px rgba(42, 157, 143, 0.35);
}

.sejarah-page .sj-story__rail-track {
  background: linear-gradient(180deg, rgba(29, 54, 92, 0.08), rgba(29, 54, 92, 0.18));
}

/* —— Media —— */
.sejarah-page .sj-story__media-col {
  position: relative;
  z-index: 1;
  height: var(--sj-media-h);
  max-height: var(--sj-media-h);
  overflow: hidden;
  isolation: isolate;
}

.sejarah-page .sj-story__media-item {
  will-change: transform, opacity;
}

.sejarah-page .sj-story__media-item:not(.is-active) {
  pointer-events: none;
}

.sejarah-page .sj-story__media-item img {
  display: block;
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  object-position: center;
}

@media (max-width: 1023.98px) {
  .sejarah-page .sj-story {
    --sj-media-h: clamp(140px, 30svh, 260px);
  }

  .sejarah-page .sj-story__layout {
    padding-top: 0.5rem;
    padding-bottom: var(--sj-slide-footer);
  }

  .sejarah-page .sj-story__media-col {
    display: block;
    grid-area: media;
    height: var(--sj-media-h);
    max-height: var(--sj-media-h);
    min-height: 0;
  }

  .sejarah-page .sj-story__media-frame {
    height: 100%;
    background: rgba(255, 255, 255, 0.94);
  }

  .sejarah-page .sj-story__media-item {
    display: flex !important;
    align-items: center;
    justify-content: center;
    padding: 0.35rem;
  }

  .sejarah-page .sj-story__media-item img {
    width: auto;
    height: auto;
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    object-position: center;
    border-radius: 0.5rem;
  }
}

/* —— Panels —— */
.sejarah-page .sj-story__content-col {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.sejarah-page .sj-story__panels {
  position: relative;
  flex: 1;
  min-height: 0;
  height: 100%;
  overflow: hidden;
}

.sejarah-page .sj-story__panel {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  z-index: 1;
  will-change: transform, opacity;
}

.sejarah-page .sj-story__panel.is-active {
  z-index: 3;
  pointer-events: auto;
}

.sejarah-page .sj-story__panel:not(.is-active) {
  pointer-events: none;
}

/* Compact: hide inactive during scrub to prevent overlap */
@media (max-width: 1023.98px) {
  .sejarah-page .sj-story__panel:not(.is-active),
  .sejarah-page .sj-story__media-item:not(.is-active) {
    visibility: hidden !important;
  }

  .sejarah-page .sj-story__panel.is-active,
  .sejarah-page .sj-story__media-item.is-active {
    visibility: visible !important;
  }

  .sejarah-page .sj-story__panel-body {
    touch-action: pan-y;
  }
}

.sejarah-page .sj-story__panel-body {
  overflow-y: auto !important;
  overscroll-behavior-y: auto;
  max-height: 100%;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: rgba(29, 54, 92, 0.2) transparent;
}

.sejarah-page .sj-story__content-col,
.sejarah-page .sj-story__panels {
  min-height: 0;
  flex: 1;
}

@media (max-width: 1023.98px) {
  .sejarah-page .sj-story__panel-body {
    overflow-x: hidden;
    overflow-y: auto !important;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior-y: auto;
  }

  .sejarah-page .sj-story__panel-head h3 {
    font-size: clamp(0.9375rem, 4.2vw, 1.125rem);
    line-height: 1.25;
  }

  .sejarah-page .sj-story__panel-body {
    font-size: 0.75rem;
    line-height: 1.5;
  }

  .sejarah-page .sj-story__panel-body p + p {
    margin-top: 0.55rem;
  }

  .sejarah-page .sj-story__badge {
    margin-bottom: 0.25rem;
    padding: 0.15rem 0.5rem;
    font-size: 0.5625rem;
  }

  .sejarah-page .sj-story__panel-head {
    padding-bottom: 0.35rem;
  }
}

.sejarah-page .sj-story__panel-body::-webkit-scrollbar {
  width: 4px;
}

.sejarah-page .sj-story__panel-body::-webkit-scrollbar-thumb {
  background: rgba(29, 54, 92, 0.18);
  border-radius: 999px;
}

.sejarah-page .sj-story__panel-body p {
  margin: 0;
}

.sejarah-page .sj-story__panel-body p + p {
  margin-top: 0.7rem;
}

.sejarah-page .sj-story__panel-body strong {
  color: var(--sj-navy);
}

/* —— Counter & continue (slide footer) —— */
.sejarah-page .sj-story__counter {
  position: absolute;
  bottom: max(0.75rem, env(safe-area-inset-bottom, 0px));
  left: 50%;
  z-index: 20;
  transform: translateX(-50%);
  pointer-events: none;
  font-family: "Plus Jakarta Sans", system-ui, sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(29, 54, 92, 0.55);
  transition: opacity 0.3s ease;
}

.sejarah-page .sj-story__continue {
  position: absolute;
  bottom: max(0.75rem, env(safe-area-inset-bottom, 0px));
  right: max(1rem, env(safe-area-inset-right, 0px));
  z-index: 20;
  display: none;
  align-items: center;
  gap: 0.25rem;
  border-radius: 999px;
  padding: 0.375rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-decoration: none;
  color: #fff;
  background: var(--sj-navy);
  box-shadow: 0 4px 12px rgba(15, 30, 53, 0.18);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.sejarah-page .sj-story__continue.is-visible {
  display: inline-flex !important;
}

.sejarah-page .sj-story__continue:focus-visible {
  outline: 2px solid var(--sj-gold);
  outline-offset: 3px;
}

.sejarah-page .tm-sejarah-content {
  scroll-margin-top: calc(var(--tm-header-h, 72px) + 1rem);
}

.sejarah-page .tm-sejarah-video {
  scroll-margin-top: calc(var(--tm-header-h, 72px) + 1rem);
}

.sejarah-page .sj-story.is-past-pin .sj-story__stage {
  pointer-events: none;
}

.sejarah-page .sj-story__intro {
  scroll-margin-top: 0;
}

/* —— Tablet —— */
@media (min-width: 640px) and (max-width: 1023.98px) {
  .sejarah-page .sj-story__layout {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
    gap: 0.55rem;
  }

  .sejarah-page .sj-story__panel-body {
    font-size: 0.8125rem;
  }
}

/* —— Short landscape —— */
@media (max-width: 1023.98px) and (max-height: 520px) {
  .sejarah-page .sj-story {
    --sj-media-h: clamp(100px, 24svh, 180px);
  }

  .sejarah-page .sj-story__layout {
    gap: 0.3rem;
    padding-top: 0.35rem;
    --sj-slide-footer: calc(2.75rem + env(safe-area-inset-bottom, 0px));
  }

  .sejarah-page .sj-story__panel-body {
    font-size: 0.6875rem;
    line-height: 1.45;
  }
}

/* —— Desktop —— */
@media (min-width: 1024px) {
  .sejarah-page .sj-story {
    --sj-stage-h: 72vh;
    --sj-media-h: var(--sj-stage-h);
  }

  .sejarah-page .sj-story__media-col {
    display: block;
  }

  .sejarah-page .sj-story__layout {
    grid-template-columns: minmax(0, 1.15fr) auto minmax(0, 1fr);
    grid-template-rows: 1fr;
    grid-template-areas: "content rail media";
    gap: 2rem;
    padding:
      1rem
      1.5rem
      var(--sj-slide-footer)
      1.5rem;
    align-items: center;
  }

  .sejarah-page .sj-story__rail-mobile {
    display: none;
  }

  .sejarah-page .sj-story__rail-desktop {
    display: flex;
    grid-area: rail;
    align-items: center;
    justify-content: center;
    height: var(--sj-stage-h);
    min-height: 0;
  }

  .sejarah-page .sj-story__rail-desktop .sj-story__checkpoint {
    position: relative;
    left: 50%;
    z-index: 2;
    width: 16px;
    height: 16px;
    transform: translateX(-50%);
  }

  .sejarah-page .sj-story__rail-desktop .sj-story__checkpoint.is-active {
    transform: translateX(-50%) scale(1.22);
  }

  .sejarah-page .sj-story__media-col {
    height: var(--sj-stage-h);
    max-height: none;
  }

  .sejarah-page .sj-story__content-col {
    height: var(--sj-stage-h);
  }

  .sejarah-page .sj-story__panel-body {
    overflow-y: auto;
  }

  .sejarah-page .sj-story__continue {
    right: 2rem;
  }
}

@media (min-width: 1280px) {
  .sejarah-page .sj-story {
    --sj-stage-h: 74vh;
  }
}

@media (prefers-reduced-motion: reduce) {
  .sejarah-page .sj-story__panel,
  .sejarah-page .sj-story__media-item,
  .sejarah-page .sj-story__checkpoint,
  .sejarah-page .sj-story__wave {
    transition: none;
    animation: none;
  }

  .sejarah-page .sj-story__skeleton-bar,
  .sejarah-page .sj-story__skeleton-media {
    animation: none;
  }
}