:root {
  --malam: #0B1620;
  --tinta: #172B3A;
  --gading: #F3EEE3;
  --emas: #B68B4C;
  --emas-terang: #D2AE72;
  --teks: #20201E;
  --redup: #5E5A52;
  --bata: #A65336;
  --judul: 'Plus Jakarta Sans', system-ui, sans-serif;
  --cerita: 'Source Serif 4', 'Times New Roman', serif;
  --tepi: clamp(20px, 6vw, 72px);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--malam);
  color: var(--teks);
  font: 400 18px/1.6 var(--cerita);
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
a:focus-visible { outline: 2px solid var(--emas-terang); outline-offset: 3px; }

.label {
  margin: 0 0 20px;
  font: 700 13px/1.4 var(--judul);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--bata);
}

/* ---------- Tujuh langit ---------- */
.langit {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  background: var(--malam);
  color: var(--gading);
  overflow: hidden;
}
.langit::before { /* bintang tipis, makin atas makin banyak */
  content: "";
  position: absolute;
  inset: 0 0 30% 0;
  background-image:
    radial-gradient(1px 1px at 12% 8%, #fff8 50%, transparent 51%),
    radial-gradient(1px 1px at 78% 5%, #fff6 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 64% 14%, #fff9 50%, transparent 51%),
    radial-gradient(1px 1px at 33% 21%, #fff5 50%, transparent 51%),
    radial-gradient(1px 1px at 90% 26%, #fff5 50%, transparent 51%),
    radial-gradient(1px 1px at 22% 37%, #fff4 50%, transparent 51%),
    radial-gradient(1px 1px at 52% 3%, #fff7 50%, transparent 51%),
    radial-gradient(1px 1px at 5% 48%, #fff3 50%, transparent 51%);
  pointer-events: none;
}

.kepala {
  position: relative;
  z-index: 1;
  padding: 28px var(--tepi) 48px;
  max-width: 1200px;
}
.logo { width: 150px; }
h1 {
  margin: 28vh 0 0;
  max-width: 13ch;
  font: 800 clamp(34px, 9.4vw, 76px)/1.05 var(--judul);
  letter-spacing: -.02em;
  text-wrap: balance;
}

.lapis {
  list-style: none;
  margin: auto 0 0;
  padding: 0;
  position: relative;
  z-index: 1;
}
.lapis li {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 0 var(--tepi);
  border-top: 1px solid #ffffff14;
  font: 500 13px/1 var(--judul);
  letter-spacing: .12em;
}
.lapis .kosong { height: 30px; align-items: center; color: #8597A6; }
.lapis .kosong .nomor { width: 3.2em; }
.lapis .kosong .ket { text-transform: uppercase; font-size: 12px; color: #6E8191; }
/* tiap lapis sedikit lebih terang menuju cakrawala */
.lapis li:nth-child(1) { background: #0B1620; }
.lapis li:nth-child(2) { background: #0D1A26; }
.lapis li:nth-child(3) { background: #101F2D; }
.lapis li:nth-child(4) { background: #132434; }
.lapis li:nth-child(5) { background: #16293A; }
.lapis li:nth-child(6) { background: #1A2F42; }

.lapis .terbuka {
  padding: 0;
  border-top: 0;
  border-bottom: 2px solid var(--emas);
  background: linear-gradient(180deg, #1F3549 0%, #3B4A4F 55%, #8A6C45 100%);
}
.terbuka a {
  display: flex;
  align-items: center;
  gap: 16px;
  width: 100%;
  min-height: 108px;
  padding: 20px var(--tepi);
  text-decoration: none;
  color: var(--gading);
}
.terbuka .nomor {
  width: 3.2em;
  font: 800 15px/1 var(--judul);
  letter-spacing: .12em;
  color: var(--emas-terang);
}
.terbuka .nama {
  flex: 1;
  font: 800 22px/1.15 var(--judul);
  letter-spacing: .02em;
}
.terbuka small {
  display: block;
  margin-top: 6px;
  font: 400 16px/1.3 var(--cerita);
  letter-spacing: 0;
  color: #F3EEE3D0;
}
.terbuka .panah { font: 500 24px/1 var(--judul); transition: transform .3s; }
.terbuka a:hover .panah { transform: translateY(4px); }

/* ---------- Bumi (kertas gading) ---------- */
.bumi, .history {
  background-color: var(--gading);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .35 0 0 0 0 .28 0 0 0 0 .18 0 0 0 .07 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.isi { max-width: 680px; padding: 64px var(--tepi); }

.pembuka {
  margin: 0 0 32px;
  font: 700 clamp(24px, 6.4vw, 38px)/1.2 var(--judul);
  letter-spacing: -.01em;
  color: var(--tinta);
  text-wrap: pretty;
}
.surat p { margin: 0 0 1.1em; text-wrap: pretty; }
.tanda {
  margin: 32px 0 0;
  padding-top: 14px;
  border-top: 1px solid #20201E33;
  font: 500 14px/1.4 var(--judul);
  letter-spacing: .06em;
  color: var(--redup);
}

.history { border-top: 1px solid #20201E1A; }
.nomor-kecil { color: var(--tinta); }
.history h2 { margin: 0 0 28px; }
.history h2 img { width: min(320px, 82%); }
.deskripsi { margin: 0 0 32px; text-wrap: pretty; }
.akun { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--tinta); }
.akun a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 60px;
  border-bottom: 1px solid #172B3A40;
  font: 700 18px/1.2 var(--judul);
  color: var(--tinta);
  text-decoration: none;
  transition: padding .25s, color .25s;
}
.akun .handle { font: 400 16px/1.2 var(--cerita); color: var(--redup); }
.akun a:hover { padding-left: 8px; color: var(--bata); }

/* ---------- Arti nama ---------- */
.arah { background: var(--tinta); color: var(--gading); }
.arah .label { color: var(--emas-terang); }
.arah h2 {
  margin: 0 0 20px;
  font: 800 clamp(34px, 9vw, 64px)/1.04 var(--judul);
  letter-spacing: -.02em;
}
.arah p { margin: 0 0 16px; font-size: 20px; max-width: 30ch; }
.arah em { font-style: italic; color: var(--emas-terang); }
.arah .sisa { margin-top: 36px; font: 500 15px/1.4 var(--judul); letter-spacing: .04em; color: #A9B6C0; }

.kaki {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 28px var(--tepi);
  background: var(--malam);
  color: #A9B6C0;
  font: 500 14px/1.4 var(--judul);
}
.kaki img { width: 96px; }
.kaki p { margin: 0; }

/* ---------- Layar lebar ---------- */
@media (min-width: 900px) {
  body { font-size: 19px; }
  .logo { width: 190px; }
  h1 { margin-top: 12vh; }
  .lapis .kosong { height: 36px; }
  .terbuka a { min-height: 128px; }
  .terbuka .nama { font-size: 30px; }
  .bumi .isi, .history .isi, .arah .isi { margin-left: calc(var(--tepi) + 3.2em + 16px - var(--tepi)); padding-top: 104px; padding-bottom: 104px; }
  .bumi .isi { max-width: 760px; }
  .history .isi { display: grid; grid-template-columns: 1fr 1fr; column-gap: 64px; max-width: 1100px; }
  .history .label, .history h2, .history .deskripsi { grid-column: 1; }
  .history .akun { grid-column: 2; grid-row: 1 / span 3; align-self: end; }
  .arah .isi { display: grid; grid-template-columns: 1fr 1fr; column-gap: 64px; align-items: end; max-width: 1100px; }
  .arah .label, .arah h2 { grid-column: 1; }
  .arah h2 { margin-bottom: 0; }
  .arah p:not(.label) { grid-column: 2; max-width: 34ch; }
  .arah .sisa { margin-bottom: 0; }
  .arah .label { grid-row: 1; }
  .arah h2 { grid-row: 2 / span 2; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}

/* baris dukungan (Saweria) dibedain dari akun sosmed */
.akun .dukung a { color: var(--bata); }
.akun .dukung .handle { font-family: var(--judul); font-weight: 700; color: var(--bata); }
.akun .dukung a:hover { color: var(--tinta); }
.utuh { white-space: nowrap; }