/* Situs publik — lembar proof cetak: kertas putih dingin, tinta biru-hitam, cyan proses, magenta tanda koreksi */
:root {
  --kertas: #f5f6f4;
  --putih: #ffffff;
  --tinta: #1c2333;
  --abu: #5b6375;
  --garis: #d9dce3;
  --cyan: #0079b3;
  --cyan-tua: #005f8c;
  --magenta: #c2185b;
  --kuning: #f2b705;
  --serif: "Literata", Georgia, "Times New Roman", serif;
  --sans: "Public Sans", -apple-system, "Segoe UI", system-ui, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--kertas); color: var(--tinta); font: 400 17px/1.6 var(--sans); }
a { color: var(--cyan-tua); }
:focus-visible { outline: 3px solid var(--cyan); outline-offset: 2px; }
.lebar { max-width: 1160px; margin: 0 auto; padding: 0 24px; }
#tanya details, #tanya h2 { max-width: 820px; }
.lewati { position: absolute; left: -999px; }
.lewati:focus { left: 16px; top: 12px; background: var(--putih); padding: 8px 12px; z-index: 10; }

h1, h2, h3 { font-family: var(--serif); font-weight: 600; color: var(--tinta); }
h1 { font-size: clamp(34px, 4.2vw, 50px); line-height: 1.1; letter-spacing: -0.015em; margin: 0 0 22px; max-width: 16ch; }
h2 { font-size: clamp(28px, 3.2vw, 38px); line-height: 1.2; margin: 0 0 14px; max-width: 26ch; }
h3 { font-size: 21px; line-height: 1.3; margin: 0 0 8px; }
.pengantar { font-size: 19px; color: var(--abu); max-width: 62ch; margin: 0 0 28px; }
.catatan { font-size: 14.5px; color: var(--abu); margin: 14px 0 0; }

.tombol { display: inline-block; background: var(--cyan); color: #fff; text-decoration: none; font-weight: 600;
  padding: 10px 18px; border-radius: 6px; border: 2px solid var(--cyan); }
.tombol:hover { background: var(--cyan-tua); border-color: var(--cyan-tua); }
.tombol.garis { background: transparent; color: var(--cyan-tua); }
.tombol.garis:hover { background: #e6f2f8; }
.tombol.besar { padding: 13px 24px; font-size: 17px; }
.aksi { display: flex; flex-wrap: wrap; gap: 12px; }

/* kepala */
.kepala { background: var(--putih); border-bottom: 1px solid var(--garis); position: sticky; top: 0; z-index: 5; }
.kepala-isi { display: flex; align-items: center; gap: 28px; height: 64px; }
.logo { font-family: var(--serif); font-weight: 600; font-size: 21px; color: var(--tinta); text-decoration: none; display: flex; align-items: center; gap: 10px; }
.logo-tanda { width: 22px; height: 22px; border: 2px solid var(--tinta); border-radius: 50%; position: relative; }
.logo-tanda::before, .logo-tanda::after { content: ""; position: absolute; background: var(--tinta); }
.logo-tanda::before { left: 50%; top: -6px; bottom: -6px; width: 2px; margin-left: -1px; }
.logo-tanda::after { top: 50%; left: -6px; right: -6px; height: 2px; margin-top: -1px; }
.kepala nav { display: flex; gap: 22px; margin-left: 12px; }
.kepala nav a, .tautan-masuk { color: var(--tinta); text-decoration: none; font-size: 15.5px; }
.kepala nav a:hover, .tautan-masuk:hover { color: var(--cyan-tua); text-decoration: underline; }
.kepala-aksi { margin-left: auto; display: flex; align-items: center; gap: 18px; }

/* pembuka + lembar proof */
.pembuka { display: grid; grid-template-columns: 5fr 6fr; gap: 56px; align-items: center; padding-top: 72px; padding-bottom: 88px; }
.lembar { position: relative; margin: 0; padding: 34px 34px 46px; }
.halaman { background: var(--putih); padding: 44px 48px 30px; box-shadow: 0 1px 0 var(--garis), 0 18px 40px -24px rgba(28, 35, 51, .35);
  font-family: var(--serif); font-size: 16px; line-height: 1.75; margin-right: 150px; position: relative; }
.halaman p { margin: 0 0 10px; text-indent: 1.4em; hyphens: auto; }
.halaman .bab { text-indent: 0; font-style: italic; color: var(--abu); margin: 0; }
.judul-bab { font-size: 26px; margin: 2px 0 18px; }
.halaman .folio { text-indent: 0; text-align: center; font-size: 13px; color: var(--abu); margin: 18px 0 0; }
.potong { position: absolute; width: 22px; height: 22px; }
.potong.ka { top: 12px; left: 12px; border-right: 1px solid var(--tinta); border-bottom: 1px solid var(--tinta); }
.potong.ki { top: 12px; right: 172px; border-left: 1px solid var(--tinta); border-bottom: 1px solid var(--tinta); }
.potong.ba { bottom: 24px; left: 12px; border-right: 1px solid var(--tinta); border-top: 1px solid var(--tinta); }
.potong.bi { bottom: 24px; right: 172px; border-left: 1px solid var(--tinta); border-top: 1px solid var(--tinta); }
.koreksi { position: relative; white-space: nowrap; }
.koreksi del { text-decoration: none; position: relative; }
.koreksi del::after { content: ""; position: absolute; left: -2px; right: -2px; top: 54%; height: 2px; background: var(--magenta);
  transform-origin: left; animation: coret .45s ease-out both; }
.koreksi ins { text-decoration: none; color: var(--magenta); font-style: italic; position: absolute; left: 0; bottom: 1.05em;
  font-size: 13.5px; line-height: 1; white-space: nowrap; animation: muncul .35s ease-out both; }
.k1 del::after { animation-delay: .5s; } .k1 ins { animation-delay: .85s; }
.k2 del::after { animation-delay: 1.2s; } .k2 ins { animation-delay: 1.55s; }
.k3 del::after { animation-delay: 1.9s; } .k3 ins { animation-delay: 2.25s; }
.pinggir { list-style: none; margin: 0; padding: 0; position: absolute; right: 0; top: 96px; width: 172px; font-size: 13px; line-height: 1.4; }
.pinggir li { border-left: 2px solid var(--magenta); padding: 4px 0 6px 10px; margin-bottom: 18px; color: var(--abu); animation: muncul .35s ease-out both; }
.pinggir b { display: block; color: var(--magenta); font-weight: 600; }
.pinggir .stempel { display: block; width: max-content; margin-top: 6px; font-size: 12px; font-weight: 600; color: #1e7a45; border: 1.5px solid #1e7a45;
  border-radius: 3px; padding: 0 6px; transform: rotate(-3deg); animation: cap .3s ease-out both; }
.pinggir .c1 { animation-delay: .85s; } .pinggir .c1 .stempel { animation-delay: 2.7s; }
.pinggir .c2 { animation-delay: 1.55s; } .pinggir .c2 .stempel { animation-delay: 2.9s; }
.pinggir .c3 { animation-delay: 2.25s; } .pinggir .c3 .stempel { animation-delay: 3.1s; }
.bilah-warna { position: absolute; left: 34px; bottom: 6px; display: flex; align-items: center; gap: 0; font-size: 11.5px; color: var(--abu); }
.bilah-warna i { width: 14px; height: 10px; display: block; }
.bilah-warna i:nth-child(1) { background: #00a0d6; } .bilah-warna i:nth-child(2) { background: #d6246e; }
.bilah-warna i:nth-child(3) { background: var(--kuning); } .bilah-warna i:nth-child(4) { background: var(--tinta); }
.bilah-warna span { margin-left: 10px; }
@keyframes coret { from { transform: scaleX(0); } to { transform: scaleX(1); } }
@keyframes muncul { from { opacity: 0; transform: translateY(3px); } to { opacity: 1; transform: none; } }
@keyframes cap { from { opacity: 0; transform: rotate(-3deg) scale(1.4); } to { opacity: 1; transform: rotate(-3deg) scale(1); } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; } html { scroll-behavior: auto; } }

/* bagian */
.bagian { padding-top: 84px; padding-bottom: 20px; }
.alur { list-style: none; padding: 0; margin: 8px 0 0; display: grid; grid-template-columns: repeat(6, 1fr); border-top: 2px solid var(--tinta); }
.alur li { padding: 18px 16px 0 0; position: relative; display: flex; flex-direction: column; }
.alur .no { font-family: var(--serif); font-size: 15px; color: var(--abu); }
.alur h3 { font-size: 19px; margin-top: 2px; }
.alur p { font-size: 15px; color: var(--abu); margin: 0 0 14px; flex: 1; }
.gerbang { font-size: 13px; font-weight: 600; color: var(--cyan-tua); padding-left: 18px; position: relative; }
.gerbang::before { content: ""; position: absolute; left: 0; top: 4px; width: 9px; height: 9px; border: 2px solid var(--cyan); transform: rotate(45deg); }

.hasil { border-top: 2px solid var(--tinta); }
.hasil-baris { display: grid; grid-template-columns: 1fr 2fr; gap: 32px; padding: 26px 0; border-bottom: 1px solid var(--garis); }
.hasil-baris ul { margin: 0; padding-left: 20px; }
.hasil-baris li { margin-bottom: 6px; }
.hasil-baris li::marker { color: var(--cyan); }

.kendali { }
.kendali dl { margin: 12px 0 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 0 40px; }
.kendali dl div { padding: 18px 0; border-top: 1px solid var(--garis); }
.kendali dt { font-family: var(--serif); font-weight: 600; font-size: 19px; margin-bottom: 4px; }
.kendali dd { margin: 0; color: var(--abu); }

.harga { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--garis); background: var(--putih); border-radius: 6px; overflow: hidden; }
.paket { padding: 28px; border-left: 1px solid var(--garis); display: flex; flex-direction: column; }
.paket:first-child { border-left: 0; }
.paket.unggulan { box-shadow: inset 0 4px 0 var(--cyan); }
.paket .untuk { color: var(--abu); font-size: 15px; min-height: 3.2em; margin: 0 0 16px; }
.paket .angka { margin: 0; font-size: 15px; color: var(--abu); }
.paket .rp { font-family: var(--serif); font-weight: 600; font-size: 28px; color: var(--tinta); display: block; line-height: 1.2; }
.paket .setara { margin: 2px 0 18px; font-size: 14px; color: var(--abu); }
.paket ul { margin: 0 0 24px; padding-left: 20px; font-size: 15.5px; flex: 1; }
.paket li { margin-bottom: 6px; }
.paket .tombol { text-align: center; }

#tanya details { border-bottom: 1px solid var(--garis); padding: 4px 0; }
#tanya details:first-of-type { border-top: 2px solid var(--tinta); }
#tanya summary { cursor: pointer; font-family: var(--serif); font-size: 19px; font-weight: 600; padding: 14px 0; list-style: none; position: relative; padding-right: 32px; }
#tanya summary::-webkit-details-marker { display: none; }
#tanya summary::after { content: "+"; position: absolute; right: 4px; top: 10px; font: 400 26px/1 var(--sans); color: var(--cyan); }
#tanya details[open] summary::after { content: "−"; }
#tanya details p { margin: 0 0 16px; color: var(--abu); max-width: 66ch; }

.penutup { padding-top: 96px; padding-bottom: 96px; }
.penutup p { font-size: 19px; color: var(--abu); margin: 0 0 24px; }
.kaki { background: var(--tinta); color: #c9cdd8; font-size: 15px; }
.kaki a { color: #fff; }
.kaki-isi { display: flex; flex-wrap: wrap; gap: 12px 32px; align-items: center; padding-top: 28px; padding-bottom: 28px; }
.kaki-isi p { margin: 0; }
.kaki strong { color: #fff; }
.kaki nav { margin-left: auto; display: flex; gap: 18px; }

@media (max-width: 980px) {
  .pembuka { grid-template-columns: 1fr; gap: 24px; padding-top: 52px; padding-bottom: 56px; }
  .alur { grid-template-columns: repeat(2, 1fr); border-top: 0; }
  .alur li { border-top: 2px solid var(--tinta); padding-bottom: 20px; }
  .harga { grid-template-columns: 1fr; }
  .paket { border-left: 0; border-top: 1px solid var(--garis); }
  .paket:first-child { border-top: 0; }
  .kepala nav { display: none; }
}
@media (max-width: 620px) {
  body { font-size: 16px; }
  .lebar { padding-left: 16px; padding-right: 16px; }
  .kepala-isi { gap: 12px; height: 58px; }
  .logo { font-size: 18px; gap: 8px; white-space: nowrap; }
  .logo-tanda { width: 18px; height: 18px; }
  .kepala-aksi .tombol { padding: 8px 14px; font-size: 14.5px; white-space: nowrap; }
  .tautan-masuk { font-size: 15px; white-space: nowrap; }
  .pembuka h1 { font-size: 34px; }
  .kaki nav { margin-left: 0; }
  .lembar { padding: 22px 0 40px; }
  .halaman { margin-right: 0; padding: 30px 22px 22px; }
  .pinggir { position: static; width: auto; display: flex; gap: 10px; margin-top: 14px; }
  .pinggir li { flex: 1; margin: 0; font-size: 12px; }
  .potong.ka, .potong.ba { left: -6px; } .potong.ki, .potong.bi { right: -6px; }
  .bilah-warna { left: 0; }
  .alur { grid-template-columns: 1fr; }
  .hasil-baris { grid-template-columns: 1fr; gap: 6px; }
  .kepala-aksi { gap: 14px; }
}
@media (max-width: 360px) { .logo { font-size: 16px; } .logo-tanda { display: none; } .kepala-aksi { gap: 10px; } }