/* ==========================================================
   Versi 2 (motion / SainTech). Dimuat SETELAH assets/css/style.css,
   jadi hanya berisi tambahan & penimpaan untuk hero baru.
   ========================================================== */

/* Lenis yang mengatur scroll halus; scroll-behavior bawaan harus mati */
html { scroll-behavior: auto; }
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth [data-lenis-prevent] { overscroll-behavior: contain; }

/* ---------- Hero v2 ---------- */
.vhero {
  position: relative; overflow: hidden; isolation: isolate;
  display: flex; flex-direction: column;
  min-height: min(100svh, 960px);
  color: var(--white);
  background:
    radial-gradient(55% 65% at 74% 46%, rgba(26,176,154,.20), transparent 70%),
    var(--navy-900);
}
/* Kertas titik halus, kesan buku catatan sains; memudar ke kiri agar teks tetap bersih */
.vhero::before {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background-image: radial-gradient(rgba(95,224,211,.22) 1px, transparent 1.2px);
  background-size: 28px 28px;
  -webkit-mask-image: linear-gradient(100deg, transparent 20%, #000 75%);
          mask-image: linear-gradient(100deg, transparent 20%, #000 75%);
  opacity: .55;
}

.vhero__grid {
  flex: 1; position: relative;
  display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  align-items: center; gap: clamp(1.5rem, 4vw, 3rem);
  padding-top: calc(var(--nav-h) + 2.5rem); padding-bottom: 2.5rem;
}
.vhero__title {
  font-size: var(--step-3); line-height: 1.02; font-weight: 800;
  letter-spacing: -0.03em; margin: 0 0 1.4rem; max-width: 12ch; text-wrap: balance;
}
.vhero__lead { font-size: var(--step-1); line-height: 1.55; color: rgba(255,255,255,.86); max-width: 34rem; }
.vhero__note { margin: 1.4rem 0 0; font-size: var(--step--1); color: rgba(255,255,255,.66); max-width: 30rem; }

.vhero__visual { margin: 0; position: relative; }
.vhero__stage { position: relative; width: 100%; max-width: 620px; aspect-ratio: 1; margin-inline: auto; container-type: inline-size; }
/* Cahaya lembut di belakang lafaz */
.vhero__stage::before {
  content: ""; position: absolute; inset: 30%; border-radius: 50%; pointer-events: none;
  background: radial-gradient(closest-side, rgba(95,224,211,.28), rgba(26,176,154,.08) 60%, transparent);
  filter: blur(8px);
}
/* Lafaz Iqra': teks asli (bukan gambar), tidak pernah dipecah oleh animasi */
.vhero__iqra {
  position: absolute; inset: 0; margin: 0; display: grid; place-items: center;
  font-family: "Aref Ruqaa", "Amiri", serif; font-weight: 700; line-height: 1;
  font-size: 21cqw; color: #E9FFFB; padding-bottom: 4cqw;
  text-shadow: 0 0 2cqw rgba(95,224,211,.55), 0 0 7cqw rgba(26,176,154,.35);
  pointer-events: none;
}
.vhero__fallback, .vhero__canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.vhero__canvas { opacity: 0; transition: opacity 1.2s ease; }
.vhero__fallback { transition: opacity .8s ease; }
.vhero.is-webgl .vhero__canvas { opacity: 1; }
.vhero.is-webgl .vhero__fallback { opacity: 0; }
/* Saat animasi aktif, SVG disembunyikan agar garis tidak tampil dua kali; muncul lagi bila WebGL batal */
.js-motion .vhero:not(.is-static) .vhero__fallback { opacity: 0; }

.vhero__caption { display: flex; flex-direction: column; align-items: center; gap: .8rem; text-align: center; margin-top: .5rem; }
.vhero__desc { margin: 0; max-width: 27rem; font-size: var(--step--1); color: rgba(255,255,255,.72); }
.vhero__desc strong { color: var(--cyan-300); font-weight: 600; }

/* Sembunyikan elemen intro sampai GSAP menampilkannya (lihat skrip di <head>) */
.js-motion [data-intro], .js-motion [data-split], .js-motion .vhero__iqra { visibility: hidden; }

/* ---------- Responsif ---------- */
@media (max-width: 960px) {
  .vhero__grid { grid-template-columns: 1fr; padding-top: calc(var(--nav-h) + 2rem); }
  .vhero__stage { max-width: 440px; }
  .vhero::before { -webkit-mask-image: linear-gradient(to bottom, transparent 30%, #000 70%); mask-image: linear-gradient(to bottom, transparent 30%, #000 70%); }
}

/* ==========================================================
   Cerita scroll: "Iman di pusat, ilmu di sekelilingnya"
   Dasar = bab berurutan (HP, animasi dimatikan).
   .is-pinned (ditambahkan orbit.js di desktop) = bab bergantian dalam satu layar.
   ========================================================== */
.orbit {
  position: relative; color: var(--white);
  background: linear-gradient(180deg, var(--navy-900), var(--navy-700));
  padding-block: clamp(4rem, 9vw, 6rem);
}
.orbit__inner { display: grid; gap: 2.5rem; }
.orbit__title { font-size: var(--step-2); line-height: 1.1; font-weight: 800; letter-spacing: -0.02em; margin: 0 0 1rem; max-width: 16ch; }
.orbit__intro { color: rgba(255,255,255,.75); max-width: 32rem; margin: 0; }

/* Diagram atom: inti = Iman, orbit menyala sesuai bab */
.orbit__atom { display: none; width: 100%; max-width: 360px; overflow: visible; }
.orbit__core { font-family: "Aref Ruqaa", "Amiri", serif; font-weight: 700; font-size: .5px; fill: rgba(233,255,251,.45); transition: fill .6s; }
.orbit__ring {
  stroke: var(--cyan-300); stroke-width: .012; stroke-opacity: .16;
  stroke-dasharray: .015 .035; stroke-linecap: round;
  transition: stroke-opacity .6s, stroke-width .6s;
}
.orbit__electrons circle { fill: #E9FFFB; opacity: 0; transition: opacity .6s; filter: drop-shadow(0 0 .05px #5FE0D3); }
/* Inti (Iman) selalu menyala; orbit menyusul sesuai bab */
.orbit .orbit__core { fill: #E9FFFB; }
[data-step="1"] .orbit__ring[data-ring="0"],
[data-step="2"] .orbit__ring { stroke-opacity: .85; stroke-width: .016; }
[data-step="1"] .orbit__electrons [data-ring="0"],
[data-step="2"] .orbit__electrons circle { opacity: 1; }
.orbit.is-flowing .orbit__ring { animation: orbit-flow 6s linear infinite; }
@keyframes orbit-flow { to { stroke-dashoffset: -1; } }

.orbit__nav { display: none; gap: .4rem; flex-wrap: wrap; }
.orbit__nav button {
  font: inherit; font-size: .9rem; font-weight: 600; cursor: pointer;
  color: rgba(255,255,255,.7); background: none;
  border: 1px solid rgba(95,224,211,.28); border-radius: 999px; padding: .5rem 1.1rem;
  transition: background .25s, color .25s, border-color .25s;
}
.orbit__nav button:hover { color: var(--white); border-color: var(--cyan-300); }
.orbit__nav button[aria-current="true"] { background: var(--cyan-300); border-color: var(--cyan-300); color: var(--navy-900); }
.orbit__nav button:focus-visible { outline: 2px solid var(--amber-500); outline-offset: 2px; }

.orbit__chapters { display: grid; gap: 3rem; }
.orbit__chapter { display: grid; gap: 1.25rem; }
.orbit__photo { margin: 0; border-radius: var(--radius-lg); overflow: hidden; background: rgba(95,224,211,.08); }
.orbit__photo img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.orbit__text h3 { font-size: var(--step-2); font-weight: 800; letter-spacing: -0.02em; line-height: 1.1; margin: 0 0 .5rem; color: var(--cyan-300); }
.orbit__lead { font-size: var(--step-1); line-height: 1.45; margin-bottom: 1rem; max-width: 30rem; }
.orbit__text ul { list-style: none; padding: 0; margin: 0; display: grid; gap: .5rem; color: rgba(255,255,255,.78); font-size: var(--step--1); }
.orbit__text li { padding-left: 1.4rem; position: relative; }
.orbit__text li::before {
  content: ""; position: absolute; left: 0; top: .55em; width: .5rem; height: .5rem; border-radius: 50%;
  border: 1.5px solid var(--cyan-300);
}

/* ----- Mode terkunci (desktop) ----- */
.orbit.is-pinned { padding-block: 0; }
.orbit.is-pinned .orbit__pin { height: 100svh; display: flex; align-items: center; padding-top: var(--nav-h); }
.orbit.is-pinned .orbit__inner { width: min(var(--wrap), 100% - 2 * var(--gutter)); grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); align-items: center; gap: clamp(2rem, 5vw, 4.5rem); }
.orbit.is-pinned .orbit__side { display: grid; gap: 1.5rem; justify-items: start; }
.orbit.is-pinned .orbit__atom { display: block; max-width: min(340px, 38svh); justify-self: center; }
.orbit.is-pinned .orbit__nav { display: flex; }
.orbit__progress { display: none; width: min(100%, 16rem); height: 3px; border-radius: 3px; background: rgba(95,224,211,.18); overflow: hidden; }
.orbit__progress span { display: block; height: 100%; background: var(--cyan-300); transform-origin: left; transform: scaleX(var(--p, 0)); }
.orbit.is-pinned .orbit__progress { display: block; margin-top: -.6rem; }
.orbit.is-pinned .orbit__chapters { display: grid; gap: 0; }
.orbit.is-pinned .orbit__chapter { grid-area: 1 / 1; visibility: hidden; }
.orbit.is-pinned .orbit__chapter.is-active { visibility: visible; z-index: 2; }
.orbit.is-pinned .orbit__chapter.is-leaving { visibility: visible; z-index: 1; }
.orbit.is-pinned .orbit__photo img { aspect-ratio: 16 / 9; max-height: 44svh; }

/* ---------- Micro-interaction (lihat motion.js) ---------- */
.countdown > div { overflow: hidden; }          /* angka baru bergeser masuk dari atas */
.faq details p { overflow: hidden; }            /* tinggi jawaban dianimasikan */
.faq summary::after { transition: transform .35s ease; }
.btn--amber { will-change: transform; }
/* Elemen yang masuk dari samping tidak boleh memunculkan scroll horizontal selama animasi */
.prestasi, .fasilitas { overflow-x: clip; }

/* Jalur alternatif di bawah tombol formulir PPDB */
.deadline__alt { margin: .9rem 0 0; text-align: center; font-size: var(--step--1); color: var(--muted); }
.deadline__alt a { color: var(--green-600); font-weight: 700; }