/* ==========================================================================
   Nusantara Data Center Academy — theme.css
   Dimuat paling akhir. Berisi:
   1. Palet merah (override variabel warna asli)
   2. Page loader
   3. Navigasi: dropdown desktop, menu mobile, status aktif
   4. Komponen interaktif (accordion, dropdown form, toast, lightbox, dsb.)
   ========================================================================== */

/* 1. Palet ---------------------------------------------------------------- */
:root {
  /* Oranye DDTC -> Merah NDCA */
  --dt-orange-900: #4D0610; --dt-orange-800: #730A18; --dt-orange-700: #990F20; --dt-orange-600: #BF1428;
  --dt-orange-500: #E01E31; --dt-orange-400: #EB4B5A; --dt-orange-300: #F27D88; --dt-orange-200: #F8AEB5;
  --dt-orange-100: #FCDADE; --dt-orange-50: #FEF1F2;
  /* Navy -> Wine */
  --dt-navy-900: #1F0509; --dt-navy-800: #2A070C; --dt-navy-700: #360A10; --dt-navy-600: #430D14;
  --dt-navy-500: #4E1019; --dt-navy-400: #6E2C35; --dt-navy-300: #8E525A; --dt-navy-200: #B08A8F;
  --dt-navy-100: #D2BABD; --dt-navy-50: #F3EAEB;
  /* Biru aksen -> Rose / crimson */
  --dt-blue-900: #5C0A1B; --dt-blue-800: #7A0F24; --dt-blue-700: #9C1530; --dt-blue-600: #B81B3A;
  --dt-blue-500: #C8203F; --dt-blue-400: #D9536B; --dt-blue-300: #E58A9B; --dt-blue-200: #EFB3BE;
  --dt-blue-100: #F7D5DB; --dt-blue-50: #FCEEF0;
  /* Netral & latar (hangat) */
  --dt-neutral-900: #24181B; --dt-neutral-700: #4A3A3E; --dt-neutral-500: #6E5D61; --dt-neutral-300: #A89A9D;
  --dt-neutral-100: #DDD3D5; --dt-neutral-50: #FAF8F8;
  --dt-dark-900: #1F0A0D; --dt-dark-700: #2A1013; --dt-dark-500: #36161B; --dt-dark-300: #452026;
  --dt-dark-100: #552B31; --dt-dark-50: #66383E;
  --dt-light-900: #D9C9CC; --dt-light-700: #E5D8DA; --dt-light-500: #EFE5E7; --dt-light-300: #F5EEEF;
  --dt-light-100: #FAF6F6; --dt-light-50: #FFFFFF;

  --ndca-grad: linear-gradient(135deg, #EB4B5A 0%, #E01E31 45%, #990F20 100%);
  --ndca-grad-dark: linear-gradient(160deg, #1F0A0D 0%, #4E1019 60%, #730A18 100%);
}

[hidden] { display: none !important; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
::selection { background: #FCDADE; color: #4D0610; }

/* 2. Page loader ---------------------------------------------------------- */
.ndca-loader { display: none; }
.js .ndca-loader {
  position: fixed; inset: 0; z-index: 9999; display: grid; place-items: center;
  background: var(--ndca-grad-dark); transition: opacity .4s ease, visibility .4s ease;
}
.ndca-loader__inner { display: grid; justify-items: center; gap: 18px; }
.ndca-loader__logo { width: 64px; height: 64px; animation: ndca-pulse 1.3s ease-in-out infinite; }
.ndca-loader__text { color: #fff; font: 600 12px/1 Inter, sans-serif; letter-spacing: .16em; text-transform: uppercase; opacity: .85; }
.ndca-loader__bar { width: 170px; height: 4px; border-radius: 4px; background: rgba(255,255,255,.15); overflow: hidden; }
.ndca-loader__bar span { display: block; width: 40%; height: 100%; border-radius: inherit; background: linear-gradient(90deg, #E01E31, #FF6A4D); animation: ndca-bar 1.1s ease-in-out infinite; }
html.is-loaded .ndca-loader { opacity: 0; visibility: hidden; pointer-events: none; }
html.is-leaving .ndca-loader { opacity: 1; visibility: visible; transition-duration: .2s; }
@keyframes ndca-bar { 0% { transform: translateX(-100%); } 100% { transform: translateX(260%); } }
@keyframes ndca-pulse { 0%, 100% { transform: scale(1); } 50% { transform: scale(.9); opacity: .8; } }

/* 3. Navigasi ------------------------------------------------------------- */
#ddtc .nav-scrollbar { overflow: visible; }
#ddtc .ndca-nav-active { border-top-color: var(--dt-orange-500) !important; border-top-width: 4px; }
.ndca-has-dropdown { position: relative; }
.ndca-dropdown {
  position: absolute; top: 100%; left: 50%; z-index: 30; width: 340px;
  transform: translate(-50%, 8px); opacity: 0; visibility: hidden;
  border-radius: 12px; border: 1px solid var(--dt-light-500);
  box-shadow: 0 18px 40px -16px rgba(78, 16, 25, .35);
  transition: opacity .2s ease, transform .2s ease, visibility .2s;
}
.ndca-has-dropdown:hover .ndca-dropdown,
.ndca-has-dropdown:focus-within .ndca-dropdown { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.ndca-dropdown__inner { display: grid; gap: 2px; padding: 8px; }
.ndca-dropdown__item { display: flex; align-items: center; gap: 12px; padding: 10px 12px; border-radius: 8px; transition: background .2s; }
.ndca-dropdown__item:hover { background: var(--dt-orange-50); }
.ndca-dropdown__icon img { width: 28px; height: 28px; border-radius: 8px; }
.ndca-dropdown__title { display: block; font-size: 14px; font-weight: 600; color: var(--dt-neutral-900); }
.ndca-dropdown__desc { display: block; font-size: 12px; color: var(--dt-neutral-500); }
.ndca-dropdown__item:hover .ndca-dropdown__title { color: var(--dt-orange-500); }

.ndca-mobile-menu { z-index: 40; box-shadow: 0 24px 40px -24px rgba(31, 10, 13, .4); }
.ndca-submenu { padding: 0 0 6px; }
.ndca-submenu a { display: block; padding: 8px 24px; }
[data-submenu-toggle] { cursor: pointer; transition: transform .25s ease; }
[data-submenu-toggle].is-open { transform: rotate(180deg); }
body.ndca-menu-open { overflow: hidden; }

/* App shortcut (NDCA LINKS) */
#ddtc-app-shortcut.is-open [data-shortcut-label] { display: flex; }
#ddtc-app-shortcut.is-open #shortcut-upper > .block { display: none; }
#ddtc-app-shortcut.is-open > div > div { width: 190px; }
#ddtc-app-shortcut.is-open .tooltip button { justify-content: flex-start; gap: 8px; }
#ddtc-app-shortcut.is-open .tooltip button::after { content: attr(data-label); font-size: 12px; color: var(--dt-neutral-700); white-space: nowrap; }

/* 4. Komponen ------------------------------------------------------------- */
/* Hero numbers & title gradient */
.ndca-fill-img { width: 100%; height: 100%; object-fit: contain; }
a.block { display: block; }

/* Accordion Corporate Training */
.ndca-corp-item .accordion-item { text-align: left; }
.ndca-corp-body { color: rgba(255, 255, 255, .88); }
.ndca-corp-body a { margin-top: 4px; }

/* Topik (halaman detail) */
.ndca-topic .accordion-item { cursor: pointer; text-align: left; }
.ndca-topic--static { cursor: default !important; }
.ndca-topic__panel { padding: 0 16px 16px 52px; color: var(--dt-neutral-700); }
.ndca-topic__panel ul { list-style: disc; padding-left: 18px; display: grid; gap: 6px; }

/* FAQ */
.ndca-faq-item [aria-expanded], .ndca-faq-item button { cursor: pointer; }

/* Program unggulan scrollspy */
.ndca-spy-bar { background-color: var(--dt-light-500); }
[data-scrollspy].is-active .ndca-spy-bar { background-color: var(--dt-orange-500); }
[data-scrollspy].is-active .text-left { color: var(--dt-orange-500); }

/* Dropdown kustom (input readonly) */
.ndca-select { position: relative; }
.ndca-select [data-options] { cursor: pointer; }
.ndca-options {
  position: absolute; left: 0; right: 0; top: calc(100% + 6px); z-index: 25; max-height: 260px; overflow: auto;
  background: #fff; border: 1px solid var(--dt-light-500); border-radius: 10px; padding: 6px;
  box-shadow: 0 18px 40px -16px rgba(78, 16, 25, .35);
}
.ndca-options button { display: block; width: 100%; text-align: left; padding: 9px 12px; border-radius: 8px; font-size: 14px; color: var(--dt-neutral-900); }
.ndca-options button:hover, .ndca-options button[aria-selected="true"] { background: var(--dt-orange-50); color: var(--dt-orange-500); }

/* Validasi form */
.ndca-invalid { border-color: var(--dt-red-500) !important; box-shadow: 0 0 0 3px rgba(227, 27, 27, .12); }
.ndca-error { margin-top: 4px; font-size: 13px; color: var(--dt-red-500); }
input[type="date"] { color-scheme: light; }

/* Toast */
.ndca-toast {
  position: fixed; left: 50%; bottom: 28px; z-index: 300; display: flex; align-items: center; gap: 10px;
  max-width: calc(100% - 32px); padding: 14px 20px; border-radius: 999px; background: #1F0A0D; color: #fff;
  font: 500 14px/1.4 Inter, sans-serif; box-shadow: 0 18px 40px -12px rgba(0,0,0,.4);
  transform: translate(-50%, 160%); transition: transform .35s cubic-bezier(.2,.7,.2,1);
}
.ndca-toast .dtf-icon-ui-check-circle-filled { color: #1BDEAF; font-size: 20px; }
.ndca-toast.is-visible { transform: translate(-50%, 0); }

/* Lightbox galeri */
.ndca-lightbox { position: fixed; inset: 0; z-index: 400; display: grid; place-items: center; padding: 24px; background: rgba(31, 10, 13, .9); }
.ndca-lightbox figure { margin: 0; max-width: min(960px, 100%); }
.ndca-lightbox img { width: 100%; height: auto; border-radius: 12px; }
.ndca-lightbox figcaption { margin-top: 12px; color: #fff; text-align: center; font: 500 15px/1.5 Inter, sans-serif; }
.ndca-lightbox__close { position: absolute; top: 20px; right: 20px; width: 44px; height: 44px; border-radius: 50%; background: rgba(255,255,255,.12); color: #fff; font-size: 20px; }
[data-lightbox] { outline-offset: 3px; }
.ndca-video__frame { width: min(960px, 100%); aspect-ratio: 16 / 9; }
.ndca-video__frame iframe { width: 100%; height: 100%; border: 0; border-radius: 12px; }
[data-video] { cursor: pointer; }
#video iframe { width: 100%; aspect-ratio: 16 / 9; height: auto; border: 0; border-radius: 8px; }

/* Marquee galeri & partisipan: render di GPU agar animasi ringan */
.list-gallery-1, .list-participant { will-change: transform; backface-visibility: hidden; }

/* Carousel: scroll halus */
[data-carousel] .list__program, [data-carousel-track] { scroll-behavior: smooth; }
[data-carousel-track] { overflow-x: auto; scrollbar-width: none; }
[data-carousel-track]::-webkit-scrollbar { display: none; }
#testimony-client #testimony-card { flex: 0 0 auto; }

/* Logo auth */
.ndca-auth-logo img { margin: 0 auto; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}

@media print {
  .ndca-loader, nav#ddtc, #ddtc-app-shortcut, footer, .ndca-toast { display: none !important; }
}