/* =========================================================
   header.css — announcement bar, navbar kaca, mega menu,
   menu seluler, dock, bottom bar, modal SPMB
   Mobile-first; layout desktop ada di responsive.css
   ========================================================= */

/* ---------- Kontainer header & state ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  --nav-fg: #fff;
  --nav-fg-muted: rgba(255, 255, 255, .8);
  transition: transform .4s var(--ease);
}
/* STATE: scrolled / mega terbuka -> teks gelap di atas kaca */
.site-header[data-scrolled="true"],
.site-header[data-mega="open"] {
  --nav-fg: var(--text);
  --nav-fg-muted: var(--text-muted);
}
/* STATE: compact */
.site-header[data-compact="true"] { --nav-h: 60px; }
/* STATE: header disembunyikan saat scroll ke bawah */
.site-header[data-hidden="true"] { transform: translateY(-100%); }

/* ---------- Announcement bar ---------- */
.announce {
  height: var(--announce-h);
  overflow: hidden;
  background: var(--announce-bg);
  color: #f1f8ec;
  font-size: .8125rem;
  transition: height .35s var(--ease), opacity .25s ease, visibility 0s;
}
.site-header[data-announce="hidden"] .announce {
  height: 0; opacity: 0; visibility: hidden;
  transition: height .35s var(--ease), opacity .25s ease, visibility 0s .35s;
}
.announce__inner { height: var(--announce-h); display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.announce__msg { min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.announce__mark { color: var(--accent); margin-right: 4px; }
.announce__sep { margin: 0 8px; opacity: .45; }
.announce__link { color: #fff; font-weight: 700; border-bottom: 1px solid rgba(255, 255, 255, .45); transition: border-color .2s; }
.announce__link:hover { border-bottom-color: #fff; }
.announce__meta { display: none; align-items: center; gap: 20px; }
.announce__meta a, .announce__loc { display: inline-flex; align-items: center; gap: 6px; color: #fff; }
.announce__meta a:hover { opacity: 1; color: #fff; text-decoration: underline; }
.announce .ic { width: 1em; height: 1em; }
/* Di layar sempit, sembunyikan pesan tengah agar CTA "Lihat Informasi" tetap terlihat */
@media (max-width: 479.98px) { .announce__text { display: none; } }

/* ---------- Navbar ---------- */
.navbar {
  position: relative;
  border-bottom: 1px solid transparent;
  transition: background-color .3s ease, box-shadow .3s ease, border-color .3s ease, backdrop-filter .3s ease;
}
.site-header[data-scrolled="true"] .navbar,
.site-header[data-mega="open"] .navbar {
  background: var(--glass);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  backdrop-filter: blur(16px) saturate(1.4);
  border-bottom-color: var(--border);
  box-shadow: 0 6px 24px rgba(21, 22, 63, .08);
}
/* Fallback tanpa backdrop-filter: gunakan latar hampir solid */
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .site-header[data-scrolled="true"] .navbar,
  .site-header[data-mega="open"] .navbar { background: var(--glass-solid); }
}
.navbar__inner {
  position: relative;
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  height: var(--nav-h);
  transition: height .35s var(--ease);
}

/* ---------- Brand ---------- */
.brand { display: inline-flex; align-items: center; gap: 12px; min-width: 0; flex: none; color: var(--nav-fg); }
.brand__logo { width: 44px; height: 44px; object-fit: contain; border-radius: 12px; background: #fff; padding: 2px; transition: width .35s var(--ease), height .35s var(--ease); }
.site-header[data-compact="true"] .brand__logo { width: 38px; height: 38px; }
.brand__text { display: flex; flex-direction: column; line-height: 1.15; min-width: 0; }
.brand__text strong { font-family: var(--font-display); font-weight: 600; font-size: 1.0625rem; letter-spacing: .005em; white-space: nowrap; }
.brand__text small { font-size: .75rem; color: var(--nav-fg-muted); letter-spacing: .04em; }
.brand--dark { color: var(--text); }
.brand--dark .brand__text small { color: var(--text-muted); }

/* ---------- Navigasi desktop (default tersembunyi) ---------- */
.nav { display: none; }
.nav__list { display: flex; align-items: stretch; gap: 2px; height: 100%; }
.nav__item { display: flex; align-items: center; }

.nav__link, .nav__trigger {
  position: relative;
  display: inline-flex; align-items: center; gap: 4px;
  padding: 10px 8px;
  background: none; border: 0; cursor: pointer;
  font-size: .875rem; font-weight: 500; white-space: nowrap;
  color: var(--nav-fg);
  transition: color .25s ease;
}
/* Underline emas */
.nav__link::after, .nav__trigger::after {
  content: ""; position: absolute; left: 8px; right: 8px; bottom: 2px; height: 2px;
  background: var(--accent); border-radius: 2px;
  transform: scaleX(0); transform-origin: left center;
  transition: transform .3s var(--ease);
}
.nav__link:focus-visible::after, .nav__trigger:focus-visible::after,
.nav__trigger[aria-expanded="true"]::after,
.nav__link[aria-current="page"]::after { transform: scaleX(1); }
.nav__link[aria-current="page"] { font-weight: 600; }
.ic--chev { width: 1em; height: 1em; transition: transform .3s var(--ease); }
[aria-expanded="true"] > .ic--chev { transform: rotate(180deg); }

/* ---------- Aksi navbar ---------- */
.navbar__actions { display: flex; align-items: center; gap: 10px; }
.navbar__actions .theme-toggle { display: none; }
.navbar__cta { display: none; }
.mmenu .theme-toggle { --nav-fg: var(--text); }

/* Theme toggle */
.theme-toggle {
  position: relative;
  display: inline-grid; grid-template-columns: 1fr 1fr; align-items: center; justify-items: center;
  width: 60px; height: 34px; padding: 0;
  border: 1px solid color-mix(in srgb, var(--nav-fg) 30%, transparent);
  border-radius: 999px; background: transparent; cursor: pointer;
  color: var(--nav-fg);
}
.theme-toggle .ic { position: relative; z-index: 1; width: 16px; height: 16px; transition: color .3s; }
.theme-toggle__thumb {
  position: absolute; top: 3px; left: 3px; width: 26px; height: 26px; border-radius: 50%;
  background: var(--accent);
  transition: transform .35s var(--ease);
}
.theme-toggle__sun { color: var(--on-accent); }
[data-theme="dark"] .theme-toggle__thumb { transform: translateX(26px); }
[data-theme="dark"] .theme-toggle__sun { color: var(--nav-fg); }
[data-theme="dark"] .theme-toggle__moon { color: var(--on-accent); }

/* Hamburger */
.hamburger {
  display: inline-grid; place-items: center;
  width: 44px; height: 44px; padding: 0;
  border: 1px solid color-mix(in srgb, var(--nav-fg) 30%, transparent);
  border-radius: 12px; background: transparent; color: var(--nav-fg); cursor: pointer;
}
.hamburger .ic { width: 22px; height: 22px; }
.hamburger--close { color: var(--text); border-color: var(--border); }

/* ---------- Mega menu (desktop) ---------- */
.mega {
  position: absolute; left: 0; right: 0; top: calc(100% + 10px);
  padding: 28px;
  background: var(--surface); color: var(--text);
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  opacity: 0; visibility: hidden; pointer-events: none;
  transform: translateY(12px); filter: blur(6px);
  transition: opacity .28s ease, transform .32s var(--ease), filter .28s ease, visibility 0s .32s;
}
.mega::before { content: ""; position: absolute; left: 0; right: 0; top: -14px; height: 14px; } /* jembatan hover */
.mega.is-open {
  opacity: 1; visibility: visible; pointer-events: auto;
  transform: none; filter: none;
  transition-delay: 0s;
}

.mega--links { display: grid; grid-template-columns: minmax(220px, 1fr) 2fr; gap: 40px; align-items: start; }
.mega__title { font-family: var(--font-display); font-weight: 500; font-size: 1.625rem; line-height: 1.2; }
.mega__desc { margin-top: 10px; color: var(--text-muted); font-size: .9375rem; max-width: 34ch; }
.mega__links { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 16px; }
.mega__links a {
  display: flex; flex-direction: column; gap: 2px;
  padding: 12px 14px; border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: background-color .2s, border-color .2s;
}
.mega__links a strong { font-weight: 600; font-size: .9375rem; }
.mega__links a span { font-size: .8125rem; color: var(--text-muted); }
.mega__links a:hover, .mega__links a:focus-visible { background: color-mix(in srgb, var(--accent) 12%, transparent); border-color: color-mix(in srgb, var(--accent) 45%, transparent); }

/* Program */
.pcards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.pcard {
  position: relative; height: 100%;
  display: flex; flex-direction: column; align-items: flex-start; gap: 4px;
  padding: 22px 22px 54px;
  border: 1px solid var(--border); border-radius: var(--radius-md);
  background: var(--background);
  transition: transform .3s var(--ease), border-color .3s, box-shadow .3s;
}
.pcard:hover, .pcard:focus-visible { transform: translateY(-4px); border-color: var(--accent); box-shadow: var(--shadow-sm); }
.pcard__icon { display: grid; place-items: center; width: 46px; height: 46px; margin-bottom: 10px; border-radius: 14px; background: var(--primary); color: #fff; }
[data-theme="dark"] .pcard__icon { color: var(--primary-dark); }
.pcard__level { font-size: .75rem; font-weight: 700; letter-spacing: .08em; color: var(--secondary); }
[data-theme="dark"] .pcard__level { color: var(--accent-light); }
.pcard__name { font-family: var(--font-display); font-weight: 600; font-size: 1.25rem; line-height: 1.2; }
.pcard__prog { font-size: .875rem; font-weight: 600; color: var(--primary); }
[data-theme="dark"] .pcard__prog { color: var(--accent-light); }
.pcard__desc { margin-top: 6px; font-size: .875rem; color: var(--text-muted); }
.pcard__arrow { position: absolute; right: 20px; bottom: 20px; color: var(--primary); transition: transform .3s var(--ease); }
.pcard:hover .pcard__arrow { transform: translateX(5px); }
.mega__foot { margin-top: 20px; padding-top: 18px; border-top: 1px solid var(--border); text-align: center; font-size: .9375rem; font-weight: 500; }
.mega__foot a { color: var(--primary); border-bottom: 1px solid transparent; transition: border-color .2s; }
.mega__foot a:hover { border-bottom-color: currentColor; }

/* ---------- Menu seluler layar penuh ---------- */
.mmenu {
  position: fixed; inset: 0; z-index: 200;
  display: flex; flex-direction: column;
  background: var(--background); color: var(--text);
  transform: translateX(100%); visibility: hidden;
  transition: transform .4s var(--ease), visibility 0s .4s;
}
.mmenu.is-open { transform: none; visibility: visible; transition-delay: 0s; }
.mmenu__head { display: flex; align-items: center; justify-content: space-between; gap: 12px; height: 72px; padding: 0 var(--gutter); border-bottom: 1px solid var(--border); flex: none; }
.mmenu__body { flex: 1; overflow-y: auto; overscroll-behavior: contain; padding: 8px var(--gutter); }

.mlist > li { border-bottom: 1px solid var(--border); }
.mlist__link, .macc__btn {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  width: 100%; min-height: 60px; padding: 8px 2px;
  background: none; border: 0; cursor: pointer; text-align: left;
  font-family: var(--font-display); font-weight: 500; font-size: 1.375rem;
}
.mlist__link[aria-current="page"] { color: var(--primary); }
.macc__btn .ic { width: 22px; height: 22px; transition: transform .3s var(--ease); }
.macc__panel {
  display: grid; grid-template-rows: 0fr; visibility: hidden;
  transition: grid-template-rows .32s var(--ease), visibility 0s .32s;
}
.macc__panel > ul { min-height: 0; overflow: hidden; }
.macc.is-open .macc__panel { grid-template-rows: 1fr; visibility: visible; transition-delay: 0s; }
.macc__panel a { display: flex; align-items: baseline; gap: 10px; min-height: 48px; padding: 10px 0 10px 14px; border-left: 2px solid var(--accent); margin-left: 2px; font-weight: 500; }
.macc__panel li:last-child { margin-bottom: 12px; }
.macc__panel a small { color: var(--text-muted); font-size: .8125rem; font-weight: 400; }

.mmenu__foot { flex: none; padding: 16px var(--gutter) calc(16px + env(safe-area-inset-bottom)); border-top: 1px solid var(--border); background: var(--surface); }
.mmenu__theme { display: flex; align-items: center; justify-content: space-between; margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--border); font-size: .875rem; color: var(--text-muted); }
.mmenu__social { display: flex; justify-content: center; gap: 8px; margin-top: 10px; }
.mmenu__social a { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 0 12px; border-radius: var(--radius-sm); font-size: .875rem; color: var(--text-muted); }
.mmenu__social a:hover { color: var(--text); }

/* ---------- Quick access dock (desktop) ---------- */
.dock { display: none; }
.dock__list { display: flex; flex-direction: column; align-items: flex-end; gap: 10px; }
.dock__item {
  display: flex; align-items: center; height: 48px;
  border-radius: 16px; overflow: hidden;
  background: var(--glass-solid); color: var(--text);
  border: 1px solid var(--border); box-shadow: var(--shadow-sm);
  -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
  transition: border-color .25s, box-shadow .25s;
}
.dock__icon { display: grid; place-items: center; width: 46px; height: 46px; flex: none; color: var(--primary); }
.dock__icon .ic { width: 20px; height: 20px; }
.dock__label {
  display: flex; flex-direction: column; line-height: 1.2; white-space: nowrap; text-align: right;
  max-width: 0; opacity: 0; padding: 0;
  transition: max-width .35s var(--ease), opacity .25s ease, padding .35s var(--ease);
}
.dock__label small { font-size: .6875rem; color: var(--text-muted); }
.dock__label strong { font-size: .8125rem; font-weight: 600; }
/* Dock terbuka saat hover / fokus keyboard */
.dock:hover .dock__label, .dock:focus-within .dock__label { max-width: 150px; opacity: 1; padding-left: 16px; }
.dock__item:hover, .dock__item:focus-visible { border-color: var(--accent); }
.dock__item:hover .dock__icon { color: var(--secondary); }
[data-theme="dark"] .dock__item:hover .dock__icon { color: var(--accent-light); }

/* ---------- Bottom bar seluler ---------- */
.mbar {
  position: fixed; z-index: 90;
  left: 12px; right: 12px; bottom: calc(12px + env(safe-area-inset-bottom));
  padding: 8px; border-radius: 20px;
  background: var(--glass-solid); border: 1px solid var(--border); box-shadow: var(--shadow-md);
  -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
}
.mbar__list { display: grid; grid-template-columns: repeat(3, 1fr) 1.15fr; gap: 6px; align-items: center; }
.mbar__item { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; min-height: 48px; border-radius: 12px; font-size: .6875rem; color: var(--text-muted); }
.mbar__item .ic { width: 20px; height: 20px; color: var(--primary); }
.mbar__item:active { background: color-mix(in srgb, var(--accent) 14%, transparent); }
.mbar__cta { width: 100%; }
body.is-menu-open .mbar { display: none; }

/* ---------- Modal SPMB (<dialog>) ---------- */
.modal {
  width: min(480px, calc(100% - 2 * var(--gutter)));
  padding: 0; border: 0; background: transparent; color: var(--text);
  max-height: calc(100dvh - 32px);
}
.modal::backdrop { background: rgba(10, 40, 15, .55); -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px); }
.modal[open] { animation: modal-in .3s var(--ease); }
.modal[open]::backdrop { animation: fade-in .3s ease; }
.modal__box { position: relative; padding: 32px 28px 28px; background: var(--surface); border: 1px solid var(--border); border-top: 3px solid var(--accent); border-radius: var(--radius-lg); box-shadow: var(--shadow-md); }
.modal__close { position: absolute; top: 12px; right: 12px; display: grid; place-items: center; width: 44px; height: 44px; border: 0; border-radius: 12px; background: transparent; color: var(--text-muted); cursor: pointer; }
.modal__close:hover { color: var(--text); background: color-mix(in srgb, var(--accent) 14%, transparent); }
.modal__title { padding-right: 40px; font-family: var(--font-display); font-weight: 600; font-size: 1.5rem; line-height: 1.25; }
.modal__desc { margin-top: 12px; color: var(--text-muted); }
.modal__check { display: flex; align-items: flex-start; gap: 12px; margin-top: 22px; padding: 14px; border: 1px solid var(--border); border-radius: var(--radius-sm); cursor: pointer; font-size: .9375rem; }
.modal__check:has(input:checked) { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 10%, transparent); }
.modal__check input { width: 20px; height: 20px; margin: 2px 0 0; flex: none; accent-color: var(--primary); cursor: pointer; }
.modal__hint { margin-top: 10px; font-size: .8125rem; color: var(--text-muted); }
.modal__hint[hidden] { display: none; }
.modal__actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 10px; margin-top: 22px; }

@keyframes modal-in { from { opacity: 0; transform: translateY(14px) scale(.98); } to { opacity: 1; transform: none; } }
@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }