:root {
  --kopi: #3B2A20;
  --kopi-2: #5A4434;
  --amber: #E8A33D;
  --amber-tua: #8A5A12;
  --kuning-sel: #FFF0C2;
  --garis: #E6DCD0;
  --putih: #FFFFFF;
  --latar: #FAF8F5;
  --hijau: #23663F;
  --merah: #A3261C;
  --judul: 'Bricolage Grotesque', 'Figtree', system-ui, sans-serif;
  --badan: 'Figtree', system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--badan);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--kopi);
  background: var(--putih);
}
h1, h2 { font-family: var(--judul); font-weight: 800; line-height: 1.05; letter-spacing: -0.02em; margin: 0; }
p { margin: 0; }
a { color: inherit; }
:focus-visible { outline: 3px solid var(--kopi); outline-offset: 3px; border-radius: 4px; }

.wadah { width: 100%; max-width: 1120px; margin: 0 auto; padding: 0 20px; }

/* Atas */
.atas { background: var(--amber); }
.atas-isi { display: flex; align-items: center; justify-content: space-between; min-height: 64px; }
.merek { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-family: var(--judul); font-weight: 800; font-size: 1.15rem; min-height: 44px; }
.merek-tanda { width: 30px; height: 30px; }
.atas-wa { font-weight: 700; text-decoration: none; padding: 10px 16px; min-height: 44px; display: inline-flex; align-items: center; border: 2px solid var(--kopi); border-radius: 999px; }
.atas-wa:hover { background: var(--kopi); color: var(--amber); }

/* Pembuka */
.pembuka { background: var(--amber); padding: 20px 0 56px; }
.pembuka-isi { display: grid; gap: 36px; }
.pembuka h1 { font-size: clamp(2.6rem, 11vw, 4.6rem); max-width: 12ch; }
.pembuka-sub { margin-top: 18px; font-size: 1.125rem; max-width: 40ch; }
.harga { margin-top: 22px; display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 12px; }
.harga strong { font-family: var(--judul); font-size: 2rem; font-weight: 800; }
.harga span { font-weight: 600; }
.tombol-baris { margin-top: 22px; display: flex; flex-wrap: wrap; gap: 12px; }
.tombol { display: inline-flex; align-items: center; justify-content: center; min-height: 52px; padding: 12px 22px; border-radius: 12px; font-weight: 700; text-decoration: none; font-size: 1.0625rem; transition: transform .15s ease, background-color .15s ease; }
.tombol:active { transform: translateY(1px); }
.tombol-utama { background: var(--kopi); color: var(--putih); }
.tombol-utama:hover { background: #2A1D15; }
.tombol-kedua { color: var(--kopi); box-shadow: inset 0 0 0 2px var(--kopi); }
.tombol-kedua:hover { background: rgba(59, 42, 32, .1); }

/* Lembar kalkulator */
.lembar { margin: 0 6px 6px 0; background: var(--kopi); border: 2px solid var(--kopi); border-radius: 14px; box-shadow: 6px 6px 0 var(--kopi); overflow: hidden; }
.lembar-tab { display: flex; background: var(--putih); border-bottom: 1px solid var(--garis); font-size: .95rem; }
.tab { padding: 10px 14px; border-right: 1px solid var(--garis); color: var(--kopi-2); }
.tab-aktif { color: var(--kopi); font-weight: 700; box-shadow: inset 0 -3px 0 var(--amber); }
.lembar-badan { padding: 0; }
.lembar-ket, .sel-baris { background: var(--putih); }
.lembar-ket { padding: 12px 16px; font-size: .95rem; color: var(--kopi-2); border-bottom: 1px solid var(--garis); }
.sel-baris { display: grid; grid-template-columns: 1fr 8.5rem; border-bottom: 1px solid var(--garis); }
.sel-baris label { padding: 12px 16px; font-weight: 600; border-right: 1px solid var(--garis); align-self: center; }
.sel { display: flex; align-items: center; gap: 4px; padding: 0 12px; font-variant-numeric: tabular-nums; }
.sel-isi { background: var(--kuning-sel); }
.sel-isi:focus-within { box-shadow: inset 0 0 0 2px var(--kopi); }
.sel input { width: 100%; min-width: 0; min-height: 48px; border: 0; background: transparent; font: inherit; font-weight: 700; color: var(--kopi); text-align: right; font-variant-numeric: tabular-nums; }
.sel input:focus { outline: none; }
.sel > span { color: var(--kopi-2); font-weight: 600; }
.hasil { background: var(--kopi); color: var(--putih); padding: 8px 0; }
.hasil-baris { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 8px 16px; }
.hasil-baris output { font-family: var(--judul); font-weight: 800; font-size: 1.2rem; font-variant-numeric: tabular-nums; white-space: nowrap; }
.hasil-baris:first-child output { font-size: 1.6rem; color: var(--amber); }
.hasil-baris:first-child output.minus { color: #F4A89F; }

.status { display: inline-block; padding: 2px 10px; border-radius: 6px; font-family: var(--badan); font-weight: 700; font-size: .95rem; letter-spacing: .02em; }
.hasil .status { font-size: 1rem; }
.status-aman { background: #D6EFDD; color: var(--hijau); }
.status-tipis { background: #FBE3B3; color: var(--amber-tua); }
.status-rugi { background: #F6D5D1; color: var(--merah); }

/* Bagian umum */
.bagian { padding: 64px 0; border-top: 1px solid var(--garis); }
.bagian h2 { font-size: clamp(2rem, 7vw, 2.9rem); max-width: 14ch; }
.dua-kolom { display: grid; gap: 24px; }
.lead { font-size: 1.15rem; max-width: 42ch; }

.daftar-hasil { margin: 28px 0 0; border-top: 2px solid var(--kopi); }
.daftar-hasil > div { padding: 16px 0; border-bottom: 1px solid var(--garis); display: grid; gap: 4px; }
.daftar-hasil dt { font-weight: 700; font-size: 1.1rem; }
.daftar-hasil dd { margin: 0; max-width: 56ch; }
.daftar-hasil .status { margin: 2px 0; }
.catatan { margin-top: 20px; padding: 14px 16px; background: var(--latar); border-left: 4px solid var(--amber); max-width: 60ch; font-size: 1rem; }

.cara { background: var(--latar); }
.langkah { margin: 0; padding: 0; list-style: none; counter-reset: l; display: grid; gap: 14px; }
.langkah li { counter-increment: l; position: relative; padding: 16px 16px 16px 64px; background: var(--putih); border: 1px solid var(--garis); border-radius: 12px; max-width: 62ch; }
.langkah li::before { content: counter(l); position: absolute; left: 16px; top: 14px; width: 34px; height: 34px; border-radius: 8px; background: var(--amber); font-family: var(--judul); font-weight: 800; display: grid; place-items: center; font-size: 1.1rem; }
.langkah strong { display: block; font-size: 1.1rem; }

.tanya-daftar { border-top: 2px solid var(--kopi); }
.tanya-daftar details { border-bottom: 1px solid var(--garis); }
.tanya-daftar summary { cursor: pointer; list-style: none; padding: 16px 40px 16px 0; min-height: 44px; font-weight: 700; font-size: 1.1rem; position: relative; }
.tanya-daftar summary::-webkit-details-marker { display: none; }
.tanya-daftar summary::after { content: '+'; position: absolute; right: 4px; top: 10px; font-family: var(--judul); font-size: 1.6rem; font-weight: 600; }
.tanya-daftar details[open] summary::after { content: '\2212'; }
.tanya-daftar details p { padding: 0 0 18px; max-width: 60ch; }

/* Penutup */
.penutup { background: var(--kopi); color: var(--putih); padding: 72px 0; }
.penutup h2 { font-size: clamp(2.1rem, 8vw, 3.4rem); max-width: 16ch; color: var(--amber); }
.penutup-isi > p { margin-top: 16px; font-size: 1.125rem; max-width: 44ch; }
.tombol-amber { background: var(--amber); color: var(--kopi); }
.tombol-amber:hover { background: #F0B65C; }
.tombol-garis { color: var(--putih); box-shadow: inset 0 0 0 2px rgba(255, 255, 255, .7); }
.tombol-garis:hover { background: rgba(255, 255, 255, .1); }
.penutup :focus-visible { outline-color: var(--amber); }
.penutup .jam { margin-top: 18px; font-size: 1rem; color: #E9DED3; }

.bawah { background: #2C1F17; color: #E9DED3; padding: 24px 0 32px; font-size: .95rem; }
.bawah-isi { display: grid; gap: 8px; }
.bawah a { display: inline-flex; align-items: center; min-height: 44px; margin-right: 18px; }
.bawah :focus-visible { outline-color: var(--amber); }

@media (max-width: 559px) {
  .tombol-baris .tombol { flex: 1 1 100%; }
}

@media (min-width: 860px) {
  .dua-kolom > h2 { position: sticky; top: 32px; }
  .lembar { box-shadow: 10px 10px 0 var(--kopi); margin: 0 10px 10px 0; }
  .wadah { padding: 0 32px; }
  .pembuka { padding: 40px 0 88px; }
  .pembuka-isi { grid-template-columns: 1.1fr .9fr; align-items: center; gap: 56px; }
  .dua-kolom { grid-template-columns: 1fr 1.6fr; gap: 48px; align-items: start; }
  .bagian { padding: 96px 0; }
  .bawah-isi { grid-template-columns: 1fr auto; align-items: center; }
}

@media (prefers-reduced-motion: reduce) {
  .tombol { transition: none; }
}