/* Catpin — situs. Palet diambil dari buku kas: kertas hijau muda, garis, tinta hijau & merah, stabilo kunyit. */
:root {
  --paper: #F3F8F5;
  --sheet: #FFFFFF;
  --ink: #0B3D2E;
  --ink-soft: #3E6357;
  --green: #0F7B5F;
  --rule: #CFE3D8;
  --kunyit: #F2C94C;
  --red: #B23A2E;
  --radius-lg: 20px;
  --radius-sm: 10px;
  --wrap: 1080px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #0E1F1A;
    --sheet: #13291F;
    --ink: #E4F1EB;
    --ink-soft: #A5C2B6;
    --green: #4CC59E;
    --rule: #24443A;
    --kunyit: #F2C94C;
    --red: #F08A7E;
  }
}
:root[data-theme="dark"] {
  --paper: #0E1F1A; --sheet: #13291F; --ink: #E4F1EB; --ink-soft: #A5C2B6;
  --green: #4CC59E; --rule: #24443A; --kunyit: #F2C94C; --red: #F08A7E;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 17px/1.6 "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--green); text-underline-offset: 3px; }
a:focus-visible, button:focus-visible { outline: 3px solid var(--kunyit); outline-offset: 3px; border-radius: 6px; }
img { max-width: 100%; display: block; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 16px; }

/* ---- Kepala ---- */
.top { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 18px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font-weight: 800; font-size: 1.25rem; letter-spacing: -0.02em; }
.brand img { width: 36px; height: 36px; border-radius: 10px; }
.top nav { display: flex; gap: 18px; font-size: 0.95rem; }
.top nav a { color: var(--ink-soft); text-decoration: none; }
.top nav a:hover { color: var(--green); }
@media (max-width: 560px) { .top nav { display: none; } }

/* ---- Hero ---- */
.hero { display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: center; padding-block: 40px 72px; }
.hero h1 { font-size: clamp(2.3rem, 5.4vw, 3.9rem); line-height: 1.04; letter-spacing: -0.035em; font-weight: 800; margin: 0 0 20px; max-width: 13ch; }
.hero p.lead { font-size: 1.15rem; color: var(--ink-soft); max-width: 46ch; margin: 0 0 28px; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.btn { display: inline-flex; align-items: center; gap: 10px; padding: 14px 22px; border-radius: 999px; font-weight: 700; text-decoration: none; font-size: 1rem; border: 2px solid transparent; }
.btn-primary { background: var(--green); color: #fff; }
.btn-primary:hover { filter: brightness(1.08); }
.btn-ghost { border-color: var(--rule); color: var(--ink); background: transparent; }
.btn-ghost:hover { border-color: var(--green); }
.note { font-size: 0.9rem; color: var(--ink-soft); margin-top: 14px; }
@media (max-width: 860px) { .hero { grid-template-columns: 1fr; gap: 36px; padding-top: 16px; } }

/* ---- Buku kas (elemen utama) ---- */
.ledger { background: var(--sheet); border-radius: var(--radius-lg); box-shadow: 0 1px 0 var(--rule), 0 24px 48px -28px rgba(11, 61, 46, 0.45); overflow: hidden; }
.ledger-tabs { display: flex; border-bottom: 2px solid var(--rule); }
.ledger-tabs button {
  flex: 1; font: inherit; font-weight: 700; font-size: 0.95rem; color: var(--ink-soft);
  background: none; border: 0; padding: 14px 8px; cursor: pointer; border-bottom: 3px solid transparent; margin-bottom: -2px;
}
.ledger-tabs button[aria-selected="true"] { color: var(--green); border-bottom-color: var(--kunyit); }
.ledger-head { display: flex; justify-content: space-between; align-items: baseline; padding: 18px 20px 6px 56px; position: relative; }
.ledger-head b { font-size: 1.05rem; }
.ledger-head span { color: var(--ink-soft); font-size: 0.85rem; }
.ledger table { width: 100%; border-collapse: collapse; font-size: 0.93rem; font-variant-numeric: tabular-nums; position: relative; }
.ledger th { text-align: left; font-weight: 600; color: var(--ink-soft); font-size: 0.78rem; padding: 6px 8px; }
.ledger td { padding: 9px 8px; border-top: 1px solid var(--rule); vertical-align: top; }
.ledger td:first-child, .ledger th:first-child { padding-left: 56px; width: 92px; color: var(--ink-soft); white-space: nowrap; }
.ledger td.in, .ledger td.out, .ledger th.num { text-align: right; padding-right: 20px; white-space: nowrap; }
.ledger td.in { color: var(--green); font-weight: 600; }
.ledger td.out { color: var(--red); font-weight: 600; }
.ledger .margin { position: absolute; left: 44px; top: 0; bottom: 0; width: 2px; background: var(--kunyit); opacity: 0.7; }
.ledger-body { position: relative; }
.ledger-foot { display: flex; justify-content: space-between; padding: 14px 20px 18px 56px; border-top: 2px solid var(--rule); font-weight: 700; font-variant-numeric: tabular-nums; }
.ledger small { display: block; color: var(--ink-soft); font-size: 0.78rem; font-weight: 500; }
@media (max-width: 480px) {
  .ledger td:first-child, .ledger th:first-child { padding-left: 28px; width: 70px; }
  .ledger .margin { left: 18px; }
  .ledger-head, .ledger-foot { padding-left: 28px; }
}
@media (prefers-reduced-motion: no-preference) {
  .ledger-body tr { animation: write 0.35s ease both; }
  .ledger-body tr:nth-child(2) { animation-delay: 0.06s; }
  .ledger-body tr:nth-child(3) { animation-delay: 0.12s; }
  .ledger-body tr:nth-child(4) { animation-delay: 0.18s; }
  @keyframes write { from { opacity: 0; transform: translateX(-6px); } to { opacity: 1; transform: none; } }
}

/* ---- Bagian ---- */
section.block { padding: 64px 0; border-top: 1px solid var(--rule); }
section.block h2 { font-size: clamp(1.6rem, 3.2vw, 2.2rem); letter-spacing: -0.025em; line-height: 1.15; margin: 0 0 12px; max-width: 22ch; }
section.block > .wrap > p { color: var(--ink-soft); max-width: 60ch; margin: 0 0 32px; }
.books { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; }
.books article { padding: 4px 28px 8px 0; margin-right: 28px; border-right: 1px solid var(--rule); }
.books article:last-child { border-right: 0; margin-right: 0; }
.books h3 { font-size: 1.15rem; margin: 0 0 8px; }
.books p { color: var(--ink-soft); margin: 0 0 12px; font-size: 0.98rem; }
.books ul { margin: 0; padding-left: 18px; font-size: 0.95rem; }
.books li { margin: 4px 0; }
@media (max-width: 860px) {
  .books { grid-template-columns: 1fr; }
  .books article { border-right: 0; margin: 0 0 24px; padding: 0 0 24px; border-bottom: 1px solid var(--rule); }
  .books article:last-child { border-bottom: 0; }
}
.lock { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.lock dl { margin: 0; }
.lock dt { font-weight: 700; margin-top: 18px; }
.lock dt:first-child { margin-top: 0; }
.lock dd { margin: 4px 0 0; color: var(--ink-soft); }
@media (max-width: 860px) { .lock { grid-template-columns: 1fr; } }
.steps { counter-reset: s; list-style: none; padding: 0; margin: 0; max-width: 640px; }
.steps li { counter-increment: s; position: relative; padding: 0 0 18px 48px; }
.steps li::before {
  content: counter(s); position: absolute; left: 0; top: -2px; width: 32px; height: 32px; border-radius: 50%;
  background: var(--kunyit); color: #0B3D2E; font-weight: 800; display: grid; place-items: center;
}
.callout { background: var(--sheet); border-left: 4px solid var(--kunyit); border-radius: var(--radius-sm); padding: 18px 20px; max-width: 680px; }

/* ---- Halaman dokumen (privasi, syarat, hapus akun) ---- */
.doc { max-width: 760px; padding: 24px 16px 72px; margin: 0 auto; }
.doc h1 { font-size: clamp(1.9rem, 4vw, 2.5rem); letter-spacing: -0.03em; line-height: 1.1; margin: 8px 0 6px; }
.doc .meta { color: var(--ink-soft); font-size: 0.92rem; margin: 0 0 28px; }
.doc h2 { font-size: 1.2rem; margin: 36px 0 8px; color: var(--green); }
.doc table { width: 100%; border-collapse: collapse; font-size: 0.94rem; display: block; overflow-x: auto; }
.doc th, .doc td { border-top: 1px solid var(--rule); padding: 9px 8px; text-align: left; vertical-align: top; min-width: 140px; }
.doc li { margin: 6px 0; }

/* ---- Kaki ---- */
footer { border-top: 1px solid var(--rule); padding: 28px 0 40px; font-size: 0.92rem; color: var(--ink-soft); }
footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; }
footer nav { display: flex; flex-wrap: wrap; gap: 18px; }
footer a { color: var(--ink-soft); }