/* ==========================================================================
   Seminar Clarity — invitation (2007) · styles.css
   --------------------------------------------------------------------------
   Estetika: bersih & mudah dibaca — latar putih lembut, kartu jelas, aksen
   hijau teal brand, tipografi Lora (display serif) + Plus Jakarta Sans (badan).
   Dipertahankan dari desain asli (bukan side-by-side; tata letak tengah
   bertingkat). Diubah ke arsitektur GULIR ALAMI (house UX pattern):
   tidak ada lagi shell satu viewport / cover gate melayang — semua halaman
   bertumpuk dalam alur dokumen; header app sticky (tinggi dikunci token
   --header-h), dock ikon mengambang, lalu lembar menu mobile slide-down.
   Tinggi sampul & offset anchor diturunkan dari token --header-h yang sama
   sehingga chrome tidak pernah bergeser dari geometri token.
   ========================================================================== */

/* ---------- Token & palet ---------- */
:root {
  --white:     #ffffff;
  --bg:        #f7f8fa;
  --bg-2:      #eef1f5;
  --ink:       #0f1729;
  --ink-soft:  #42506a;
  --muted:     #6b7689;
  --line:      #e1e5ec;
  --teal:      #0d7377;
  --teal-600:  #0a5c5f;
  --teal-100:  #e6f3f3;
  --teal-50:   #f0f8f8;
  --gold:      #c2a368;
  --gold-soft: #f5edde;

  --font-body:    "Plus Jakarta Sans", system-ui, -apple-system, sans-serif;
  --font-display: "Lora", Georgia, serif;

  --shadow:    0 6px 20px rgba(15, 23, 41, 0.08);
  --shadow-lg: 0 14px 40px rgba(15, 23, 41, 0.12);
  --radius:    18px;
  --radius-sm: 12px;
  --ease:      cubic-bezier(0.4, 0, 0.2, 1);

  /* Geometri chrome — SUMBER TUNGGAL tinggi header. Penutup sampul,
     scroll-margin-top, scroll-padding dan zona aman frame diturunkan dari
     token ini; header dikunci pada nilai yang sama (px agar mudah diukur). */
  --header-h: 60px;
  --dock-clear: calc(60px + env(safe-area-inset-bottom, 0px));
  --safe-t: env(safe-area-inset-top, 0px);
  --safe-b: env(safe-area-inset-bottom, 0px);
  --safe-r: env(safe-area-inset-right, 0px);
  --safe-l: env(safe-area-inset-left, 0px);
}

/* ---------- Reset & dasar ---------- */
*, *::before, *::after { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

html {
  -webkit-text-size-adjust: 100%;
  /* Anchor & deep link mendarat tepat di bawah header: offset ditangani
     scroll-margin-top pada tiap .scene (token geometri sama). JANGAN
     menambah scroll-padding-top — itu MENJUMLAH dengan scroll-margin. */
}

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
  font-weight: 400;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* Lompatan mulus untuk anchor; prefers-reduced-motion mematikannya lagi. */
@media (prefers-reduced-motion: no-preference) {
  html.js { scroll-behavior: smooth; }
}

[hidden] { display: none !important; }

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; }
h1, h2, h3 { margin: 0 0 .4em; line-height: 1.22; font-weight: 700; font-family: var(--font-display); }
p { margin: 0 0 1em; }

::selection { background: var(--teal); color: var(--white); }

/* Scrollbar senada palet teal. */
html { scrollbar-width: thin; scrollbar-color: var(--teal) transparent; }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--teal), var(--teal-600));
  border-radius: 999px;
  border: 2px solid rgba(230, 243, 243, .6);
}
::-webkit-scrollbar-thumb:hover { background: var(--teal-600); }

:focus-visible { outline: 3px solid var(--gold); outline-offset: 2px; border-radius: 4px; }

/* ---------- Skip link ---------- */
.skip-link {
  position: fixed;
  top: -64px;
  left: 12px;
  z-index: 120;
  padding: 10px 16px;
  background: var(--ink);
  color: #fff;
  font-weight: 600;
  font-size: .85rem;
  text-decoration: none;
  border-radius: 0 0 12px 12px;
  transition: top .2s ease;
}
.skip-link:focus { top: 0; }

/* Elemen yang disembunyikan sementara oleh fit-to-screen sampul (JS).
   Murni visual — tidak ada yang dihapus dari DOM; print memulihkannya. */
.fit-hidden { display: none !important; }

/* ==========================================================================
   ALUR DOKUMEN — setiap section adalah satu "adegan" setinggi viewport
   yang menengahkan kartunya; konten lebih tinggi tumbuh & mengalir.
   ========================================================================== */
.app-main { display: block; }

.scene {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - var(--header-h));
  min-height: calc(100dvh - var(--header-h));
  /* Zona aman bawah: dock mengambang menutupi ~60px terbawah; sisakan ruang
     agar konten akhir tiap scene (CTA, footer) tidak tertutup dock. */
  padding: clamp(.9rem, 2.5vh, 1.6rem) clamp(.75rem, 3vw, 1.5rem)
    calc(clamp(.9rem, 2.5vh, 1.6rem) + var(--dock-clear));
  /* Anchor & deep link mendarat tepat di bawah header (token geometri). */
  scroll-margin-top: calc(var(--header-h) + 6px);
  outline: none;
}

.scene-inner {
  width: min(680px, 100%);
  margin: 0 auto;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: clamp(1.5rem, 5vw, 2.5rem) clamp(1.25rem, 5vw, 2.25rem) 2.5rem;
}

.scene-inner-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  justify-content: center;
}

.panel-hidden { display: none !important; }

/* ==========================================================================
   HEADER APP — brand + pil desktop + burger mobile + progres baca.
   Tinggi dikunci --header-h (geometri sampul & anchor menumpang token ini).
   ========================================================================== */
.app-header {
  position: sticky;
  top: 0;
  z-index: 70;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .8rem;
  height: calc(var(--header-h) + var(--safe-t));
  padding: var(--safe-t) clamp(.9rem, 3vw, 1.6rem) 0;
  background: linear-gradient(180deg, rgba(13, 115, 119, .98), rgba(10, 92, 95, .96));
  transition: background .3s ease, box-shadow .3s ease;
}
.app-header.is-scrolled {
  background: linear-gradient(180deg, rgba(9, 82, 85, .95), rgba(13, 115, 119, .92));
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 12px 28px -14px rgba(10, 60, 62, .7);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  text-decoration: none;
  color: #fff;
  min-width: 0;
}
.brand-mark {
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  font-size: 1.1rem;
  background: rgba(255, 255, 255, .16);
  border: 1px solid rgba(255, 255, 255, .4);
  border-radius: 50%;
  color: #fff;
}
.brand-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: .02em;
  white-space: nowrap;
}
.brand-name em { font-style: normal; color: var(--gold-soft); }

/* Pil navigasi desktop — dibangun JS dari section DOM. */
.topnav { display: none; gap: .25rem; min-width: 0; }
.js .topnav { display: flex; }
@media (min-width: 900px) { .topnav { display: flex; } }
@media (max-width: 899px) { .js .topnav { display: none; } }

.topnav-item {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  border: 1px solid transparent;
  padding: .42rem .8rem;
  border-radius: 999px;
  background: transparent;
  color: rgba(255, 255, 255, .85);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: .78rem;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  transition: background .18s ease, color .18s ease, border-color .18s ease;
}
.topnav-item:hover { background: rgba(255, 255, 255, .14); color: #fff; }
.topnav-item.is-current {
  background: var(--gold-soft);
  color: var(--teal-600);
  border-color: rgba(255, 255, 255, .35);
  box-shadow: 0 4px 12px rgba(242, 205, 140, .45);
}
.topnav-item .nav-icon { font-size: .9rem; }

/* Progres baca — garis emas tipis di bibir bawah header. */
.app-header__progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  transform-origin: left center;
  transform: scaleX(0);
  background: linear-gradient(90deg, var(--gold), var(--gold-soft));
  pointer-events: none;
}

/* Burger (mobile) — tersembunyi tanpa JS dan di lebar desktop. */
.menu-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 2.6rem;
  height: 2.6rem;
  padding: .55rem .6rem;
  background: rgba(255, 255, 255, .14);
  border: 1px solid rgba(255, 255, 255, .45);
  border-radius: 12px;
  cursor: pointer;
  transition: border-color .2s ease, background .2s ease;
}
.js .menu-btn { display: inline-flex; }
@media (min-width: 900px) { .js .menu-btn { display: none; } }
.menu-btn:hover { background: rgba(255, 255, 255, .26); }
.menu-btn__bar {
  height: 2px;
  border-radius: 2px;
  background: #fff;
  transition: transform .28s ease, opacity .28s ease;
}
.menu-btn[aria-expanded="true"] .menu-btn__bar:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.menu-btn[aria-expanded="true"] .menu-btn__bar:nth-child(2) { opacity: 0; }
.menu-btn[aria-expanded="true"] .menu-btn__bar:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ---------- Lembar menu mobile (slide-down di bawah header) ---------- */
.menu-backdrop {
  position: fixed;
  inset: 0;
  z-index: 60;
  background: rgba(15, 23, 41, .55);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  animation: fade-in .22s ease;
}

.mobile-menu {
  position: fixed;
  top: calc(var(--header-h) + var(--safe-t));
  left: 0;
  right: 0;
  z-index: 65;
  max-height: calc(100dvh - var(--header-h) - var(--safe-t));
  overflow-y: auto;
  background: rgba(255, 255, 255, .98);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(15, 23, 41, .12);
  box-shadow: 0 26px 44px -26px rgba(15, 23, 41, .55);
  padding: .5rem .95rem calc(.8rem + var(--safe-b));
  animation: sheet-down .26s ease;
  overscroll-behavior: contain;
}
.mobile-menu__head {
  margin: .4rem 0 .5rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: .72rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--muted);
}
.mobile-menu__list { list-style: none; margin: 0; padding: 0; display: grid; gap: .3rem; }
.mobile-menu-row {
  display: flex;
  align-items: center;
  gap: .8rem;
  width: 100%;
  padding: .8rem .8rem;
  border: 1px solid transparent;
  border-radius: 14px;
  background: transparent;
  color: var(--ink);
  font-weight: 600;
  font-size: .95rem;
  text-align: left;
  cursor: pointer;
  transition: background .16s ease, border-color .16s ease;
}
.mobile-menu-row:hover { background: var(--teal-50); border-color: rgba(13, 115, 119, .16); }
.mobile-menu-row .nav-icon {
  display: grid;
  place-items: center;
  width: 2.1rem;
  height: 2.1rem;
  font-size: 1.1rem;
  background: var(--teal-100);
  color: var(--teal-600);
  border-radius: 12px;
  flex: none;
}
.mobile-menu-row .menu-num {
  margin-left: auto;
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--muted);
}
.mobile-menu-row.is-current { background: var(--gold-soft); border-color: var(--gold); }
.mobile-menu-row.is-current .nav-icon { background: var(--gold); color: var(--teal-600); }

@keyframes sheet-down {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }

/* ==========================================================================
   DOCK — pill kaca melayang berisi ikon tiap bagian (dibangun JS dari DOM).
   Label disembunyikan di layar ≤430px agar muat; ikon membawa identitas.
   ========================================================================== */
.dock {
  position: fixed;
  left: 50%;
  bottom: max(.7rem, var(--safe-b));
  transform: translateX(-50%);
  z-index: 55;
  display: flex;
  align-items: stretch;
  gap: 0;
  max-width: calc(100vw - 12px);
  padding: .2rem .2rem;
  background: rgba(255, 255, 255, .94);
  border: 1px solid rgba(15, 23, 41, .16);
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  overflow-x: auto;
  scrollbar-width: none;
}
.dock::-webkit-scrollbar { display: none; }

.dock-item {
  position: relative;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  min-width: 37px;
  padding: .34rem .14rem;
  border: 0;
  border-radius: 14px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: color .2s ease, background .2s ease, transform .2s ease;
}
.dock-item .nav-icon { font-size: 1.18rem; line-height: 1; color: inherit; }
/* Dock berupa rail IKON saja (label disembunyikan di semua lebar agar 9
   bagian muat dalam 390px; nama bagian ada di aria-label / title, dan pil
   desktop masih membawa label teks). */
.dock-item .dock-label { display: none; }

.dock-item:hover { color: var(--teal-600); background: var(--teal-50); }
.dock-item:active { transform: scale(.94); }
.dock-item.is-current {
  color: var(--teal-600);
  background: var(--teal-100);
}
.dock-item.is-current::after {
  content: "";
  position: absolute;
  top: 5px;
  right: 6px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 8px var(--gold);
}
.dock-item:focus-visible { outline-offset: -3px; }

/* Layar sangat sempit: pamjatkan sedikit agar rail tetap muat. */
@media (max-width: 350px) {
  .dock-item { min-width: 34px; padding: .3rem .1rem; }
}

/* ==========================================================================
   STRUKTUR KONTEN UMUM
   ========================================================================== */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--teal);
  margin-bottom: .9rem;
}
.eyebrow i { font-size: 1.05rem; }
.eyebrow--center { display: flex; justify-content: center; }

.scene-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.6rem, 5vw, 2.2rem);
  color: var(--ink);
  text-align: center;
  letter-spacing: -0.01em;
  margin-bottom: 1.4rem;
}

/* ---------- Tombol ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  border: 0;
  cursor: pointer;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: .92rem;
  line-height: 1;
  padding: .85rem 1.5rem;
  border-radius: 999px;
  text-decoration: none;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn-primary { background: var(--teal); color: #fff; box-shadow: 0 8px 20px rgba(13, 115, 119, .35); }
.btn-primary:hover { background: var(--teal-600); }
.btn-secondary { background: var(--teal-100); color: var(--teal-600); border: 2px solid var(--teal-100); }
.btn-secondary:hover { background: #d8eeed; }
.btn-cta {
  background: var(--gold);
  color: var(--ink);
  box-shadow: 0 8px 20px rgba(194, 163, 104, .45);
}
.btn-cta:hover { background: #d3b67c; }

/* ---------- Layar tengah (diputar via data-reveal) ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
  transition-delay: var(--reveal-delay, 0s);
}
[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   COVER — tepat satu layar: setinggi viewport DI BAWAH header, isi menengah.
   ========================================================================== */
.scene-cover {
  background:
    radial-gradient(130% 90% at 50% 0%, var(--teal-100), var(--white) 55%);
  padding: 2rem clamp(.9rem, 3vw, 1.5rem) calc(var(--dock-clear) + .5rem);
  overflow: hidden;
}
.js .scene-cover {
  height: calc(100vh - var(--header-h));
  height: calc(100dvh - var(--header-h));
  min-height: 0;
  max-height: calc(100vh - var(--header-h));
  max-height: calc(100dvh - var(--header-h));
}
/* Katup pengaman ekstrem: bila setelah pemangkasan isi masih meluap,
   JS memasang kelas ini agar isi bisa digulir di dalam sampul. */
.js .scene-cover.is-overflow { overflow-y: auto; overscroll-behavior: contain; }

/* Tanpa JS: sampul tumbuh alami seperti section lain (dokumen utuh). */
.no-js .scene-cover { min-height: calc(100vh - var(--header-h)); }

.cover__inner {
  width: min(540px, 100%);
  margin: 0 auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.cover__badge {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  background: var(--teal-100);
  color: var(--teal-600);
  font-size: .78rem;
  font-weight: 600;
  padding: .5rem 1rem;
  border-radius: 999px;
  margin-bottom: 1.4rem;
}
.cover__badge i { font-size: 1.05rem; }

.cover__title {
  font-family: var(--font-display);
  font-weight: 600;
  /* Tumbuh mengikuti layar tapi BERHENTI melewati ~700px tinggi viewport:
     komponen vh menyusut di layar pendek, px cap menahan di layar besar. */
  font-size: clamp(2.1rem, min(8.5vw, 7vh), 2.9rem);
  line-height: 1.18;
  color: var(--ink);
  letter-spacing: -0.02em;
  margin-bottom: .9rem;
  text-wrap: balance;
}

.cover__subtitle {
  font-size: clamp(.98rem, min(3vw, 2.6vh), 1.1rem);
  color: var(--ink-soft);
  max-width: 420px;
  margin: 0 auto 1.6rem;
}

.cover__facts {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: .5rem;
  margin-bottom: 1.6rem;
}
.cover__fact {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: .5rem .9rem;
  font-size: .82rem;
  font-weight: 500;
  color: var(--ink-soft);
  box-shadow: var(--shadow);
}
.cover__fact i { color: var(--teal); font-size: 1rem; }

.cover__recipient { margin-bottom: 1.7rem; }
.cover__recipient-label {
  display: block;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: .3rem;
}
.cover__recipient-name {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.cover__btn {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  background: var(--teal);
  color: var(--white);
  border: none;
  padding: 1rem 2rem;
  border-radius: 999px;
  font-family: var(--font-body);
  font-size: .95rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  transition: background .3s var(--ease), transform .3s var(--ease);
}
.cover__btn:hover { background: var(--teal-600); transform: translateY(-2px); }
.cover__btn i { font-size: 1.2rem; }

/* Tinggi viewport pendek (≤700px): skala fluid berhenti. */
@media (max-height: 700px) {
  .cover__title { font-size: clamp(1.9rem, min(8.5vw, 7.5vh), 2.5rem); }
  .cover__subtitle { margin-bottom: 1.1rem; }
  .cover__facts { margin-bottom: 1.1rem; }
  .cover__facts .cover__fact { padding: .42rem .8rem; font-size: .78rem; }
  .cover__recipient { margin-bottom: 1.1rem; }
}
@media (max-height: 600px) {
  .cover__badge { margin-bottom: .9rem; padding: .4rem .9rem; }
  .cover__title { margin-bottom: .5rem; }
  .cover__subtitle { font-size: .92rem; margin-bottom: .8rem; }
  .cover__facts { margin-bottom: .8rem; }
  .cover__recipient { margin-bottom: .8rem; }
}
/* Lanskap ponsel (mis. 844×390): inti sampul harus muat SATU layar. */
@media (max-height: 460px) {
  .scene-cover { padding-bottom: var(--dock-clear); padding-top: 1rem; }
  .cover__badge { margin-bottom: .6rem; }
  .cover__title { font-size: clamp(1.5rem, 6vh, 1.95rem); margin-bottom: .35rem; }
  .cover__subtitle { font-size: .82rem; margin-bottom: .5rem; }
  .cover__facts { gap: .35rem; margin-bottom: .5rem; }
  .cover__fact { padding: .3rem .6rem; font-size: .72rem; }
  .cover__recipient { margin-bottom: .5rem; }
  .cover__recipient-name { font-size: 1rem; }
  .cover__btn { padding: .6rem 1.3rem; font-size: .85rem; }
}

/* ==========================================================================
   TENTANG
   ========================================================================== */
.panel-welcome { background: var(--bg); }
.panel-welcome .scene-inner, .scene-inner.scene-inner-center { text-align: center; }
.welcome__text {
  font-size: 1.08rem;
  color: var(--ink-soft);
  max-width: 620px;
  margin: 0 auto;
}
.organizer-inline { color: var(--teal); font-weight: 600; }

/* ==========================================================================
   COUNTDOWN
   ========================================================================== */
.panel-countdown { background: var(--white); }
.countdown__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: .75rem;
  margin-top: 1.2rem;
}
.cd-card {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.2rem .5rem;
  text-align: center;
}
.cd-num {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.6rem, 6vw, 2.4rem);
  line-height: 1;
  color: var(--teal);
  font-variant-numeric: tabular-nums;
}
.cd-label {
  display: block;
  margin-top: .55rem;
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--muted);
}

/* ==========================================================================
   EVENT / DETAIL — waktu & tempat
   ========================================================================== */
.panel-event { background: var(--bg); }
.event__cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}
.event-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  text-align: center;
  box-shadow: var(--shadow);
}
.event-card__icon {
  width: 60px; height: 60px;
  margin: 0 auto 1.2rem;
  display: grid;
  place-items: center;
  background: var(--teal-100);
  border-radius: 50%;
  color: var(--teal);
  font-size: 1.6rem;
}
.event-card__title {
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: .6rem;
}
.event-card__value {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.3rem;
  color: var(--ink);
  margin-bottom: .3rem;
}
.event-card__sub {
  font-size: .95rem;
  color: var(--ink-soft);
}
.event-card__map {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  margin-top: 1rem;
  font-size: .88rem;
  font-weight: 600;
  color: var(--teal);
  border-bottom: 2px solid var(--teal-100);
  padding-bottom: 2px;
  transition: border-color .3s var(--ease);
}
.event-card__map:hover { border-color: var(--teal); }

/* Add to Calendar (.ics) — hilang bersama date bila data tanggal kosong. */
.calendar-cta { text-align: center; margin: 1.5rem 0 0; }
.calendar-note { margin: .55rem 0 0; font-size: .8rem; color: var(--muted); }

/* ==========================================================================
   PEMATERI
   ========================================================================== */
.panel-speakers { background: var(--white); }
.speakers__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-top: 1.2rem;
}
.speaker-card {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  text-align: center;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.speaker-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}
.speaker-card__photo {
  width: 112px; height: 112px;
  margin: 0 auto 1.3rem;
  border-radius: 50%;
  overflow: hidden;
  border: 4px solid var(--teal-100);
  background: var(--white);
}
.speaker-card__photo img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.speaker-card__name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.2rem;
  color: var(--ink);
  margin-bottom: .35rem;
}
.speaker-card__role {
  font-size: .92rem;
  font-weight: 600;
  color: var(--teal);
  margin-bottom: .2rem;
}
.speaker-card__org {
  font-size: .85rem;
  color: var(--muted);
}

/* ==========================================================================
   AGENDA
   ========================================================================== */
.panel-agenda { background: var(--bg); }
.agenda__list {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 1.2rem;
}
.agenda-row {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 1.25rem;
  align-items: start;
  padding: 1.4rem 0;
  border-bottom: 1px solid var(--line);
}
.agenda-row:last-child { border-bottom: none; }
.agenda-row__time {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .3rem;
}
.agenda-row__time i { color: var(--teal); font-size: 1.2rem; }
.agenda-row__time span {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--ink);
}
.agenda-row__body { padding-top: .1rem; }
.agenda-row__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
  color: var(--ink);
  margin-bottom: .35rem;
}
.agenda-row__desc {
  font-size: .95rem;
  color: var(--ink-soft);
}

/* ==========================================================================
   GALERI + VIDEO
   ========================================================================== */
.panel-gallery { background: var(--white); }
.gallery-section { margin-top: 1.2rem; }
.gallery__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: .75rem;
}
.gallery-card { margin: 0; }
.gallery-open {
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  font: inherit;
  color: inherit;
  background: var(--bg-2);
  border-radius: 14px;
  overflow: hidden;
  cursor: zoom-in;
  box-shadow: var(--shadow);
  aspect-ratio: 1 / 1;
  position: relative;
  transition: transform .15s ease, box-shadow .15s ease;
}
.gallery-open:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.gallery-open:active { transform: translateY(0); }
.gallery-open:focus-visible { outline: 3px solid var(--gold); outline-offset: 2px; }
.gallery-img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}
.gallery-card figcaption {
  margin-top: .5rem;
  font-size: .8rem;
  font-weight: 600;
  color: var(--muted);
  text-align: center;
  overflow-wrap: anywhere;
}
.gallery-hint {
  text-align: center;
  font-size: .8rem;
  color: var(--muted);
  margin: 1rem 0 0;
}

/* Video (opsional) */
.video-section { margin-top: 1.6rem; }
.video-title { font-family: var(--font-display); font-size: 1.15rem; color: var(--ink); margin-bottom: .6rem; }
.video-card {
  max-width: 560px;
  margin: 0 auto;
  border-radius: var(--radius);
  overflow: hidden;
  border: 3px solid var(--teal-100);
  box-shadow: var(--shadow);
  position: relative;
}
.video-open {
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  font: inherit;
  color: inherit;
  background: var(--teal-600);
  position: relative;
  overflow: hidden;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease;
}
.video-open:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.video-open:active { transform: translateY(0); }
.video-thumb { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; display: block; opacity: .92; transition: opacity .15s ease; }
.video-open:hover .video-thumb { opacity: 1; }
.video-play {
  position: absolute; left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  width: 3.2rem; height: 3.2rem; border-radius: 50%;
  background: var(--gold); color: var(--ink);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; padding-left: .2rem;
  box-shadow: 0 8px 20px rgba(15, 23, 41, .35), 0 0 0 6px rgba(255, 255, 255, .35);
  transition: transform .15s ease;
}
.video-open:hover .video-play { transform: translate(-50%, -50%) scale(1.08); }
.video-chip {
  position: absolute; left: 50%; bottom: .9rem;
  transform: translateX(-50%);
  background: rgba(255, 255, 255, .94); color: var(--ink);
  font-weight: 600; font-size: .78rem; padding: .4rem .95rem;
  border-radius: 999px; white-space: nowrap;
  box-shadow: 0 4px 12px rgba(15, 23, 41, .22);
}
.video-open-plain .video-thumb { display: none; }
.video-open-plain {
  min-height: 220px;
  background:
    radial-gradient(circle at 30% 20%, rgba(230, 243, 243, .45), transparent 45%),
    linear-gradient(160deg, var(--teal-600), var(--teal));
}
.video-hint { margin: .6rem 0 0; font-size: .8rem; color: var(--muted); text-align: center; }

/* Mode media-inline (CONFIG.mediaLightbox = false): tanpa afordansi klik. */
.media-inline .gallery-open,
.media-inline .video-open,
.media-inline .free-open {
  cursor: default;
  pointer-events: none;
}
.media-inline .video-play,
.media-inline .video-chip,
.media-inline .free-chip,
.media-inline .gallery-hint,
.media-inline .video-hint { display: none !important; }
.media-inline .gallery-open:hover,
.media-inline .video-open:hover,
.media-inline .free-open:hover { transform: none; box-shadow: var(--shadow); }

/* ==========================================================================
   HALAMAN BEBAS (OPSIONAL)
   ========================================================================== */
.panel-free { background: var(--bg); }
.free-page-section { margin-top: .2rem; }
.free-lead { font-size: 1rem; color: var(--ink-soft); max-width: 56ch; margin: 0 auto 1.4rem; text-align: center; }
.free-blocks { display: flex; flex-direction: column; gap: 1.1rem; }
.free-block {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.3rem 1.4rem;
  box-shadow: var(--shadow);
}
.free-title { font-family: var(--font-display); font-weight: 600; font-size: 1.2rem; color: var(--ink); margin-bottom: .45rem; }
.free-content { color: var(--ink-soft); font-size: .96rem; }
.free-content p { margin: 0 0 .6rem; }
.free-content p:last-child { margin-bottom: 0; }
.free-media {
  margin: 1rem 0 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 3px solid var(--teal-100);
  box-shadow: var(--shadow);
  background: var(--white);
}
.free-open {
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  font: inherit;
  color: inherit;
  background: var(--bg-2);
  position: relative;
  overflow: hidden;
  cursor: zoom-in;
  transition: transform .15s ease, box-shadow .15s ease;
}
.free-open:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.free-open:active { transform: translateY(0); }
.free-img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; display: block; }
.free-chip {
  position: absolute; right: .8rem; bottom: .8rem;
  background: rgba(255, 255, 255, .94); color: var(--ink);
  font-weight: 600; font-size: .76rem; padding: .38rem .85rem;
  border-radius: 999px; box-shadow: 0 4px 12px rgba(15, 23, 41, .22);
}
/* Foto blok bebas opsional: bila platform menghapus <img>, bingkai kosong
   disembunyikan — judul + teks tetap tampil (halaman berfungsi tanpa gambar). */
.free-media:not(:has(img)) { display: none; }

/* ==========================================================================
   PENUTUP + FOOTER
   ========================================================================== */
.panel-closing { background: var(--white); }
.panel-closing .scene-inner { text-align: center; }
.closing__icon {
  width: 72px; height: 72px;
  margin: 0 auto 1.4rem;
  display: grid;
  place-items: center;
  background: var(--teal-100);
  border-radius: 50%;
  color: var(--teal);
  font-size: 2rem;
}
.closing__text {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.15rem, 4vw, 1.6rem);
  line-height: 1.5;
  color: var(--ink);
  max-width: 560px;
  margin: 0 auto 1.6rem;
}
.closing__sign {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.05rem;
  color: var(--ink-soft);
  margin-bottom: 1.8rem;
}

.app-footer {
  width: 100%;
  margin-top: 2rem;
  text-align: center;
  padding: 1.2rem 0 calc(.4rem + var(--safe-b));
  border-top: 1px solid var(--line);
}
.app-footer .footer__title { font-family: var(--font-display); font-weight: 600; font-size: 1.1rem; margin-bottom: .3rem; }
.app-footer .footer__sub { font-size: .8rem; color: var(--muted); margin-bottom: 0; }
.app-footer .footer-brand { font-weight: 600; }

/* Baris brand platform selebar penuh (kelas .powered-by — jangan dihapus). */
.powered-by {
  width: 100%;
  margin-top: .4rem;
  padding: .7rem 1rem calc(.7rem + var(--safe-b));
  text-align: center;
  font-size: .76rem;
  color: var(--muted);
  background: var(--bg);
  border-top: 1px solid var(--line);
}
.powered-by p { margin: 0; }
.powered-by-brand { font-weight: 700; color: var(--ink-soft); }

/* ==========================================================================
   PREFERS-REDUCED-MOTION
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
  html { scroll-behavior: auto; }
  [data-reveal] { opacity: 1; transform: none; }
  .mobile-menu, .menu-backdrop, .lightbox { animation: none; }
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (min-width: 600px) {
  .event__cards { grid-template-columns: 1fr 1fr; }
  .speakers__grid { grid-template-columns: repeat(3, 1fr); }
  .gallery__grid { grid-template-columns: repeat(4, 1fr); }
}

/* ==========================================================================
   FALLBACK TANPA JS — halaman terbaca sempurna sebagai dokumen panjang:
   semua section bertumpuk; chrome interaktif (burger, dock, progres, menu)
   disembunyikan. Anchor native tetap bekerja.
   ========================================================================== */
.no-js .app-header { background: var(--teal); }
.no-js .menu-btn,
.no-js .app-header__progress,
.no-js .skip-link { display: none; }

/* ==========================================================================
   CETAK (PRINT) — chrome navigasi hilang, SEMUA isi dipulihkan:
   elemen .fit-hidden (pangkas sampul) tampil kembali, section bertumpuk.
   ========================================================================== */
@media print {
  * { -webkit-print-color-adjust: exact; print-color-adjust: exact; }

  .app-header, .dock, .menu-backdrop, .mobile-menu, .lightbox, .skip-link,
  .cover__btn, .btn, .video-section, .calendar-cta { display: none !important; }

  /* Pulihkan elemen yang dipangkas fit-to-screen (isi sekunder sampul). */
  .fit-hidden { display: revert !important; }

  .scene {
    min-height: 0;
    padding: 12px 0;
    display: block;
  }
  .js .scene-cover { height: auto; max-height: none; overflow: visible; }
  .panel-hidden { display: none !important; }

  .scene-inner {
    width: 100%;
    max-width: none;
    margin: 0 0 1.5rem;
    box-shadow: none;
    border: none;
    border-radius: 0;
    padding: 1rem 1.5rem;
  }
  .scene-cover, .panel-welcome, .panel-event, .panel-agenda,
  .panel-free, .panel-gallery, .panel-speakers, .panel-countdown, .panel-closing {
    background: #fff !important;
    color: #1a1a1a;
  }
  .cover__inner { padding: 1rem 0; }
  .cover__badge { background: var(--teal-100); }
  .event-card, .speaker-card, .free-block { box-shadow: none; }
  .app-footer, .powered-by { border-top: 1px solid #ddd; }
  .powered-by { background: none; }
}

/* ==========================================================================
   LIGHTBOX — foto ukuran asli dengan zoom (roda / pinch / ketuk-ganda /
   tombol ±), geser saat dizoom, ‹ › antar foto, dan tautan buka-asli.
   ========================================================================== */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 110;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  background: rgba(15, 23, 41, .93);
  animation: fade-in .22s ease;
}
.lightbox-backdrop { position: absolute; inset: 0; }

.lightbox-figure {
  position: relative;
  z-index: 1;
  width: min(880px, 94vw);
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .6rem;
}
.lightbox-frame {
  position: relative;
  width: 100%;
  height: min(72vh, 600px);
  overflow: hidden;
  border-radius: var(--radius);
  background: #fff;
  box-shadow: 0 24px 60px rgba(0, 0, 0, .5);
  touch-action: none;
  display: flex;
  align-items: center;
  justify-content: center;
}
.lightbox-frame.is-zoomed { cursor: grab; }
.lightbox-frame.is-panning { cursor: grabbing; }
.lightbox-frame.is-panning .lightbox-img { transition: none; }
.lightbox-img {
  display: block;
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  background: var(--bg-2);
  cursor: zoom-in;
  user-select: none;
  -webkit-user-select: none;
  will-change: transform;
  transition: transform .18s ease;
}
.lightbox-cap {
  max-width: min(880px, 94vw);
  padding: .1rem 1rem;
  font-weight: 600;
  font-size: .95rem;
  color: #fff;
  text-align: center;
  overflow-wrap: anywhere;
}
.lightbox-count {
  position: absolute;
  top: -.4rem;
  right: 0;
  font-size: .78rem;
  font-weight: 700;
  color: #fff;
  background: rgba(15, 23, 41, .65);
  padding: .25rem .6rem;
  border-radius: 999px;
}
.lightbox-video {
  position: relative;
  z-index: 1;
  width: min(880px, 94vw);
  background: #000;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0, 0, 0, .5);
  display: flex;
  flex-direction: column;
}
.lightbox-iframe {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 0;
  background: #000;
}
.lightbox-video .lightbox-cap { background: var(--teal-100); color: var(--ink); }

.lightbox-close,
.lightbox-nav {
  position: absolute;
  z-index: 3;
  width: 2.7rem;
  height: 2.7rem;
  border-radius: 50%;
  border: 0;
  cursor: pointer;
  color: #fff;
  background: rgba(255, 255, 255, .14);
  font-size: 1.4rem;
  line-height: 1;
}
.lightbox-close:hover,
.lightbox-nav:hover:not(:disabled) { background: rgba(255, 255, 255, .28); }
.lightbox-close {
  top: max(.8rem, var(--safe-t));
  right: max(.8rem, var(--safe-r));
}
.lightbox-nav {
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.6rem;
}
.lightbox-nav:disabled { opacity: .35; cursor: default; }
.lightbox-prev { left: max(.8rem, var(--safe-l)); }
.lightbox-next { right: max(.8rem, var(--safe-r)); }

.lightbox-tools {
  position: absolute;
  left: 50%;
  bottom: max(.7rem, var(--safe-b));
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  align-items: center;
  gap: .4rem;
}
.lightbox-tool {
  min-width: 2.5rem;
  height: 2.5rem;
  padding: 0 .5rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, .4);
  background: rgba(15, 23, 41, .55);
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  line-height: 1;
  cursor: pointer;
  transition: background .18s ease;
}
.lightbox-tool:hover { background: rgba(255, 255, 255, .24); }
.lightbox-tool:disabled { opacity: .35; cursor: default; }
.lightbox-tool-readout {
  font-size: .72rem;
  letter-spacing: .05em;
  font-variant-numeric: tabular-nums;
  min-width: 3.4rem;
}
.lightbox-original {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  padding: .62rem .95rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, .4);
  background: rgba(15, 23, 41, .55);
  color: #fff;
  font-weight: 600;
  font-size: .78rem;
  text-decoration: none;
  transition: background .18s ease;
}
.lightbox-original:hover { background: rgba(255, 255, 255, .24); }

.lightbox-zoom-hint {
  position: absolute;
  left: 50%;
  bottom: calc(max(.7rem, var(--safe-b)) + 3.1rem);
  transform: translateX(-50%);
  z-index: 2;
  font-size: .72rem;
  font-weight: 600;
  color: rgba(255, 255, 255, .92);
  background: rgba(15, 23, 41, .5);
  padding: .28rem .8rem;
  border-radius: 999px;
  white-space: nowrap;
  pointer-events: none;
}