/* aftah.my.id: arah desain dan alasannya ada di ../DESIGN.md */

:root {
  --kertas: #f3efe5;
  --kertas-2: #e9e3d4;
  --tinta: #1b1a15;
  --tinta-2: #4d4a40;
  --garis: #c9c1ad;
  --lcd: #b9cf3c;
  --lcd-gelap: #a6bb2f;
  --lcd-titik: #1f2a0b;
  --lcd-mati: rgba(31, 42, 11, 0.09);
  --pcb: #1d4a2c;
  --balik-latar: #1b1a15;
  --balik-teks: #ece7da;
  --balik-teks-2: #b9b3a3;
  --balik-garis: #4a473d;

  --serif: "Newsreader", Georgia, "Times New Roman", serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace;
  --titik: "Doto", var(--mono);

  --tepi: clamp(16px, 4.5vw, 56px);
  --lebar: 1180px;
  color-scheme: light;
}

:root[data-theme="dark"] {
  --kertas: #14140f;
  --kertas-2: #1d1d17;
  --tinta: #ece7da;
  --tinta-2: #b4ae9e;
  --garis: #3d3b33;
  --balik-latar: #ece7da;
  --balik-teks: #1b1a15;
  --balik-teks-2: #4d4a40;
  --balik-garis: #c9c1ad;
  color-scheme: dark;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --kertas: #14140f;
    --kertas-2: #1d1d17;
    --tinta: #ece7da;
    --tinta-2: #b4ae9e;
    --garis: #3d3b33;
    --balik-latar: #ece7da;
    --balik-teks: #1b1a15;
    --balik-teks-2: #4d4a40;
    --balik-garis: #c9c1ad;
    color-scheme: dark;
  }
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--kertas);
  color: var(--tinta);
  font-family: var(--serif);
  font-size: clamp(1.06rem, 0.98rem + 0.3vw, 1.2rem);
  line-height: 1.6;
  font-optical-sizing: auto;
  overflow-x: hidden;
}

h1, h2, h3 { font-weight: 500; line-height: 1.08; margin: 0; }
p { margin: 0 0 1em; }

a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 0.18em; }
a:hover { text-decoration-thickness: 2px; }

:focus-visible {
  outline: 3px solid var(--tinta);
  outline-offset: 3px;
  border-radius: 2px;
}

.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.lewati {
  position: absolute; left: var(--tepi); top: -60px;
  background: var(--tinta); color: var(--kertas);
  padding: 12px 14px; min-height: 44px; font-family: var(--mono); font-size: 0.85rem; z-index: 10;
}
.lewati:focus { top: 12px; }

/* ---------- kepala ---------- */

.kepala {
  max-width: var(--lebar);
  margin: 0 auto;
  padding: 18px var(--tepi);
  display: flex; align-items: center; gap: 24px;
  font-family: var(--mono); font-size: 0.85rem;
}
.nama-kecil { font-family: var(--serif); font-size: 1.25rem; font-style: italic; text-decoration: none; min-height: 44px; display: inline-flex; align-items: center; }
.kepala nav { margin-left: auto; }
.kepala ul { list-style: none; margin: 0; padding: 0; display: flex; gap: 4px; }
.kepala nav a { display: inline-flex; align-items: center; min-height: 44px; padding: 0 10px; text-decoration: none; }
.kepala nav a:hover { text-decoration: underline; }

.tombol-tema {
  font: inherit; color: inherit; background: none;
  border: 1px solid var(--garis); border-radius: 2px;
  min-height: 44px; min-width: 44px; padding: 0 12px; cursor: pointer;
}
.tombol-tema:hover { border-color: var(--tinta); }

@media (max-width: 620px) {
  .kepala { flex-wrap: wrap; gap: 0 12px; padding-top: 10px; padding-bottom: 6px; }
  .kepala nav { order: 3; width: 100%; margin: 0 -10px; }
  .kepala ul { justify-content: space-between; }
  .tombol-tema { margin-left: auto; }
}

/* ---------- pembuka ---------- */

.pembuka {
  max-width: var(--lebar);
  margin: 0 auto;
  padding: clamp(32px, 7vw, 96px) var(--tepi) clamp(56px, 9vw, 128px);
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: clamp(32px, 6vw, 88px);
  align-items: center;
}
.pembuka h1 {
  font-size: clamp(2.4rem, 1.3rem + 3.6vw, 4.4rem);
  letter-spacing: -0.025em;
  line-height: 1.0;
  max-width: 13ch;
}
.pengantar { margin-top: 28px; max-width: 34em; color: var(--tinta-2); }

@media (max-width: 860px) {
  .pembuka { grid-template-columns: 1fr; }
  .pembuka h1 { max-width: 13ch; }
}

/* ---------- modul LCD ---------- */

.modul { margin: 0; }
.modul-pcb {
  /* papan modul LCD sungguhan: PCB hijau dengan empat lubang baut */
  position: relative;
  background:
    radial-gradient(circle at 14px 14px, var(--kertas) 5px, #c8b26a 5.5px, #c8b26a 8px, transparent 8.5px),
    radial-gradient(circle at calc(100% - 14px) 14px, var(--kertas) 5px, #c8b26a 5.5px, #c8b26a 8px, transparent 8.5px),
    radial-gradient(circle at 14px calc(100% - 14px), var(--kertas) 5px, #c8b26a 5.5px, #c8b26a 8px, transparent 8.5px),
    radial-gradient(circle at calc(100% - 14px) calc(100% - 14px), var(--kertas) 5px, #c8b26a 5.5px, #c8b26a 8px, transparent 8.5px),
    var(--pcb);
  padding: clamp(22px, 4vw, 34px) clamp(14px, 3vw, 30px);
  border-radius: 3px;
  box-shadow: 0 1px 0 rgba(0,0,0,0.25), 0 18px 40px -22px rgba(0,0,0,0.55);
}
.modul-bingkai {
  background: #0d0e0a;
  padding: clamp(8px, 1.6vw, 14px);
  border-radius: 2px;
}
.lcd {
  --kol: 20;
  display: grid;
  grid-template-columns: repeat(var(--kol), 1fr);
  gap: clamp(1px, 0.35vw, 3px) clamp(1px, 0.3vw, 2.5px);
  padding: clamp(8px, 1.6vw, 14px) clamp(6px, 1.4vw, 12px);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.18), rgba(255,255,255,0) 40%),
    var(--lcd);
  box-shadow: inset 0 0 18px rgba(31, 42, 11, 0.35);
  container-type: inline-size;
  transition: filter 600ms ease;
}
.lcd.mati { filter: brightness(0.55) saturate(0.6); }
.sel {
  aspect-ratio: 5 / 8;
  background: var(--lcd-mati);
  display: grid; place-items: center;
  font-family: var(--titik);
  font-weight: 900;
  font-size: 6.6cqi;
  line-height: 1;
  color: var(--lcd-titik);
  overflow: hidden;
  user-select: none;
}
.modul figcaption {
  margin-top: 14px;
  font-family: var(--mono); font-size: 0.78rem; color: var(--tinta-2);
}
.modul-kendali {
  margin-top: 14px;
  display: flex; flex-wrap: wrap; align-items: center; gap: 12px 20px;
}
.tombol-tap {
  font-family: var(--mono); font-size: 0.9rem; font-weight: 500;
  color: var(--lcd-titik); background: var(--lcd);
  border: 1px solid var(--lcd-titik); border-radius: 2px;
  min-height: 44px; padding: 0 18px; cursor: pointer;
}
.tombol-tap:hover { background: var(--lcd-gelap); }
.tombol-tap:active { transform: translateY(1px); }
.saklar {
  display: inline-flex; align-items: center; gap: 10px;
  min-height: 44px; cursor: pointer;
  font-family: var(--mono); font-size: 0.85rem; color: var(--tinta-2);
}
.saklar input { width: 20px; height: 20px; accent-color: var(--tinta); margin: 0; }

/* ---------- karya ---------- */

.karya {
  max-width: var(--lebar);
  margin: 0 auto;
  padding: 0 var(--tepi);
}
.karya-kepala {
  display: flex; align-items: flex-end; gap: clamp(14px, 2.4vw, 28px);
  border-top: 2px solid var(--tinta);
  padding-top: 18px;
  margin-bottom: clamp(28px, 4vw, 48px);
}
.nomor {
  /* label nomor bagian = potongan kecil layar LCD, motif yang sama dengan pembuka */
  flex: none;
  font-family: var(--titik); font-weight: 900;
  font-size: clamp(2rem, 1.4rem + 2.6vw, 3.4rem);
  line-height: 1;
  color: var(--lcd-titik);
  background: var(--lcd);
  padding: 0.12em 0.18em 0.06em;
  border: 3px solid #0d0e0a;
  border-radius: 2px;
}
.karya-jenis { margin: 0 0 6px; font-family: var(--mono); font-size: 0.82rem; color: var(--tinta-2); }
.karya h2 { font-size: clamp(2rem, 1.3rem + 3vw, 3.6rem); letter-spacing: -0.02em; }
.karya h3 { font-size: 1.3rem; margin-bottom: 10px; }

.pembuka-cerita { font-size: 1.22em; line-height: 1.5; }

/* 01 absensi: studi kasus utama, cerita panjang + lembar data menempel */
.karya-utama { padding-bottom: clamp(72px, 10vw, 140px); }
.karya-badan {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: start;
}
.cerita { max-width: 38em; }
.status {
  margin-top: 1.6em; padding-top: 1em;
  border-top: 1px solid var(--garis);
  color: var(--tinta-2);
}
.status strong { color: var(--tinta); font-weight: 600; }

.lembar {
  position: sticky; top: 24px;
  border: 1.5px solid var(--tinta);
  font-family: var(--mono); font-size: 0.84rem; line-height: 1.5;
}
.lembar-judul {
  margin: 0;
  padding: 8px 14px;
  background: var(--tinta); color: var(--kertas);
  font-weight: 500;
}
.spek { margin: 0; }
.spek div {
  display: grid; grid-template-columns: 9.5em 1fr; gap: 12px;
  padding: 9px 14px;
  border-bottom: 1px solid var(--garis);
}
.spek div:last-child { border-bottom: 0; }
.spek dt { color: var(--tinta-2); }
.spek dd { margin: 0; }
.revisi { list-style: none; margin: 0; padding: 0; }
.revisi li {
  display: grid; grid-template-columns: 4em 1fr; gap: 12px;
  padding: 9px 14px; border-bottom: 1px solid var(--garis);
}
.revisi li:last-child { border-bottom: 0; }
.rev { font-weight: 500; }
.revisi .rencana { color: var(--tinta-2); }

@media (max-width: 860px) {
  .karya-badan { grid-template-columns: 1fr; }
  .lembar { position: static; }
}
@media (max-width: 420px) {
  .spek div { grid-template-columns: 1fr; gap: 2px; }
}

/* 02 perpustakaan: satu pernyataan besar, tiga catatan berdampingan */
.karya-perpus { padding-bottom: clamp(72px, 10vw, 140px); }
.kutipan {
  font-size: clamp(1.7rem, 1.1rem + 2.6vw, 3rem);
  font-style: italic;
  line-height: 1.15;
  letter-spacing: -0.015em;
  max-width: 20ch;
  margin: 0 0 clamp(36px, 5vw, 64px) auto;
  text-align: right;
}
.tiga-kolom {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(24px, 3.5vw, 48px);
}
.tiga-kolom > div { border-top: 1px solid var(--garis); padding-top: 16px; }
.tiga-kolom p { font-size: 0.98em; }
.tautan-karya { margin-top: 28px; font-family: var(--mono); font-size: 0.9rem; }
.tautan-karya a { display: inline-flex; align-items: center; min-height: 44px; }
@media (max-width: 760px) {
  .tiga-kolom { grid-template-columns: 1fr; }
  .kutipan { text-align: left; margin-left: 0; }
}

/* 03 karya lain: indeks dua kolom bergaris, bukan kartu */
.karya-lain { padding-bottom: clamp(72px, 10vw, 140px); }
.indeks {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: clamp(28px, 5vw, 72px);
}
.indeks li { padding: 22px 0 18px; border-bottom: 1px solid var(--garis); }
.indeks li:nth-child(-n+2) { border-top: 1px solid var(--garis); }
.indeks p { font-size: 0.98em; max-width: 34em; }
.indeks-meta {
  display: flex; flex-wrap: wrap; align-items: center; gap: 4px 18px;
  margin: 0; font-family: var(--mono); font-size: 0.8rem; color: var(--tinta-2);
}
.indeks-meta a { color: var(--tinta); display: inline-flex; align-items: center; min-height: 44px; }
@media (max-width: 760px) {
  .indeks { grid-template-columns: 1fr; }
  .indeks li:nth-child(2) { border-top: 0; }
}

/* 04 homelab: bidang terbalik, seperti membuka pintu rak server */
.homelab {
  background: var(--balik-latar);
  color: var(--balik-teks);
  padding: clamp(56px, 8vw, 112px) 0;
  --tinta: var(--balik-teks);
  --tinta-2: var(--balik-teks-2);
  --garis: var(--balik-garis);
}
.homelab-dalam { max-width: var(--lebar); margin: 0 auto; padding: 0 var(--tepi); }
.homelab h2 { font-size: clamp(2rem, 1.3rem + 3vw, 3.6rem); letter-spacing: -0.02em; }
.homelab-badan {
  display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: clamp(32px, 5vw, 80px); align-items: start;
}
.daftar-lab { margin: 28px 0 0; }
.daftar-lab div {
  display: grid; grid-template-columns: 8.5em 1fr; gap: 16px;
  padding: 14px 0; border-top: 1px solid var(--garis);
}
.daftar-lab dt { font-family: var(--mono); font-size: 0.82rem; color: var(--tinta-2); padding-top: 0.25em; }
.daftar-lab dd { margin: 0; }
.diagram { margin: 0; }
.diagram svg { width: 100%; height: auto; display: block; }
.diagram .garis path { stroke: var(--tinta-2); stroke-width: 1.5; fill: none; }
.diagram .simpul rect { fill: none; stroke: var(--tinta); stroke-width: 1.5; }
.diagram .simpul rect.aksen { fill: var(--lcd); stroke: #0d0e0a; stroke-width: 3; }
.diagram text { fill: var(--tinta); font-family: var(--serif); font-size: 15px; }
.diagram text.kecil { fill: var(--tinta-2); font-family: var(--mono); font-size: 11px; }
.diagram text.lcd-label { fill: var(--lcd-titik); font-family: var(--titik); font-weight: 900; font-size: 15px; }
.diagram figcaption { margin-top: 12px; font-family: var(--mono); font-size: 0.78rem; color: var(--tinta-2); }
@media (max-width: 860px) {
  .homelab-badan { grid-template-columns: 1fr; }
  .diagram { max-width: 440px; }
}
@media (max-width: 420px) {
  .daftar-lab div { grid-template-columns: 1fr; gap: 4px; }
}

/* riwayat: log berurutan, waktu di kiri seperti catatan servis */
.riwayat {
  max-width: var(--lebar); margin: 0 auto;
  padding: clamp(72px, 10vw, 140px) var(--tepi) clamp(56px, 8vw, 112px);
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 2fr);
  gap: clamp(24px, 5vw, 72px);
}
.riwayat h2 { font-size: clamp(2rem, 1.3rem + 3vw, 3.6rem); letter-spacing: -0.02em; }
.log { list-style: none; margin: 0; padding: 0; }
.log li {
  display: grid; grid-template-columns: 8em 1fr; gap: 16px;
  padding: 12px 0; border-top: 1px solid var(--garis);
}
.log li:last-child { border-bottom: 1px solid var(--garis); }
.kapan { font-family: var(--mono); font-size: 0.85rem; color: var(--tinta-2); padding-top: 0.2em; }
.log p { margin: 0; }
@media (max-width: 760px) {
  .riwayat { grid-template-columns: 1fr; }
}
@media (max-width: 420px) {
  .log li { grid-template-columns: 1fr; gap: 2px; }
}

/* kontak */
.kontak {
  max-width: var(--lebar); margin: 0 auto;
  padding: 0 var(--tepi) clamp(72px, 10vw, 128px);
}
.kontak > * { max-width: none; }
.kontak h2 {
  font-size: clamp(2rem, 1.2rem + 3.6vw, 4.2rem);
  letter-spacing: -0.025em;
  border-top: 2px solid var(--tinta); padding-top: 24px;
}
.kontak h2 span { display: block; max-width: 16ch; }
.kontak-daftar { list-style: none; margin: 36px 0 0; padding: 0; }
.kontak-daftar a {
  display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 4px 24px;
  padding: 18px 0; border-bottom: 1px solid var(--garis);
  text-decoration: none; min-height: 44px;
}
.kontak-daftar li:first-child a { border-top: 1px solid var(--garis); }
.kontak-tempat { font-family: var(--mono); font-size: 0.85rem; color: var(--tinta-2); }
.kontak-akun { font-size: clamp(1.4rem, 1rem + 1.6vw, 2.2rem); }
.kontak-daftar a:hover .kontak-akun { text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 0.15em; }

.kaki {
  max-width: var(--lebar); margin: 0 auto;
  padding: 20px var(--tepi) 40px;
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px;
  font-family: var(--mono); font-size: 0.8rem; color: var(--tinta-2);
}
.kaki p { margin: 0; }
.kaki a { display: inline-flex; align-items: center; min-height: 44px; }

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

/* halaman 404 */
.hilang { max-width: var(--lebar); margin: 0 auto; padding: clamp(64px, 14vh, 160px) var(--tepi); }
.hilang .nomor { display: inline-block; margin-bottom: 28px; }
.hilang h1 { font-size: clamp(2.2rem, 1.3rem + 3.6vw, 4rem); letter-spacing: -0.02em; margin-bottom: 16px; }
.hilang p { color: var(--tinta-2); }

/* ---------- logo, tautan judul, tombol garis ---------- */
.nama-kecil { gap: 10px; }
.nama-kecil img { display: block; width: 32px; height: 32px; }
.judul-tautan { display: inline-block; padding: 6px 0; text-decoration: none; background: linear-gradient(currentColor, currentColor) no-repeat 0 100% / 0 2px; transition: background-size 350ms ease; }
.judul-tautan:hover, .judul-tautan:focus-visible { background-size: 100% 2px; }
.tombol-garis {
  display: inline-flex; flex-wrap: wrap; align-items: baseline; gap: 4px 14px;
  padding: 12px 18px; min-height: 44px;
  border: 1.5px solid var(--tinta); border-radius: 2px;
  text-decoration: none; font-weight: 500;
  background: linear-gradient(var(--lcd), var(--lcd)) no-repeat 0 0 / 0 100%;
  transition: background-size 380ms cubic-bezier(.2,.7,.2,1), color 200ms;
}
.tombol-garis .alamat { font-weight: 400; color: var(--tinta-2); }
.tombol-garis:hover, .tombol-garis:focus-visible { background-size: 100% 100%; color: var(--lcd-titik); }
.tombol-garis:hover .alamat, .tombol-garis:focus-visible .alamat { color: var(--lcd-titik); }
.tombol-kecil {
  font: inherit; color: var(--tinta); background: none; cursor: pointer;
  border: 1px solid var(--garis); border-radius: 2px;
  min-height: 44px; padding: 0 12px; margin-left: 8px;
}
.tombol-kecil:hover { border-color: var(--tinta); }
.diagram figcaption { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 0; }
.diagram .paket { fill: var(--lcd); stroke: #0d0e0a; stroke-width: 2.5; }
.kontak-akun { background: linear-gradient(currentColor, currentColor) no-repeat 0 100% / 0 2px; transition: background-size 350ms ease; }
.kontak-daftar a:hover .kontak-akun, .kontak-daftar a:focus-visible .kontak-akun { text-decoration: none; background-size: 100% 2px; }

/* garis kepala bagian sebagai elemen sendiri supaya bisa "digambar" */
.karya-kepala { position: relative; border-top: 0; }
.karya-kepala::before {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 2px;
  background: var(--tinta); transform-origin: left center;
}

/* ================= GERAK =================
   Hanya aktif bila JS menambah kelas .gerak (tidak ada saat "kurangi gerak").
   Tiap gerak punya tugas: LCD menyala seperti alat, garis bagian digambar sebagai penanda bab baru,
   lembar data tercetak baris demi baris, diagram menunjukkan arah data, log muncul seperti baris catatan. */

/* LCD: lampu latar berkedip sekali saat menyala dan saat kartu ditempel */
.gerak .lcd.mati { filter: brightness(0.4) saturate(0.5); transition: none; }
.gerak .lcd { transition: filter 420ms cubic-bezier(.3,1.6,.5,1); }
@keyframes kedip-lcd { 0% { filter: brightness(1.18); } 30% { filter: brightness(0.82); } 100% { filter: brightness(1); } }
.gerak .lcd.kedip { animation: kedip-lcd 320ms ease-out; }
.gerak .modul-pcb { animation: modul-masuk 900ms cubic-bezier(.2,.8,.2,1) both; }
@keyframes modul-masuk { from { opacity: 0; transform: translateY(18px) rotate(-1.2deg); } to { opacity: 1; transform: none; } }

/* judul utama: kata naik dari balik garis dasar */
.gerak .kata { display: inline-block; overflow: hidden; vertical-align: bottom; padding-bottom: 0.08em; margin-bottom: -0.08em; }
.gerak .kata > span { display: inline-block; animation: kata-naik 760ms cubic-bezier(.2,.8,.2,1) both; animation-delay: calc(120ms + var(--i) * 55ms); }
@keyframes kata-naik { from { transform: translateY(105%); } to { transform: none; } }
.gerak .pengantar, .gerak .modul figcaption, .gerak .modul-kendali, .gerak .kepala {
  animation: pudar-naik 700ms cubic-bezier(.2,.8,.2,1) both;
}
.gerak .pengantar { animation-delay: 650ms; }
.gerak .modul figcaption { animation-delay: 1500ms; }
.gerak .modul-kendali { animation-delay: 1650ms; }
.gerak .kepala { animation-duration: 500ms; }
@keyframes pudar-naik { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }

/* dasar untuk semua yang muncul saat digulir */
.gerak .muncul { opacity: 0; transform: translateY(16px); transition: opacity 600ms ease, transform 700ms cubic-bezier(.2,.8,.2,1); transition-delay: calc(var(--i, 0) * 70ms); }
.gerak .muncul.tampil { opacity: 1; transform: none; }

/* kepala bagian: garis digambar dari kiri, lalu chip nomor menyala seperti LCD */
.gerak .karya-kepala.muncul { opacity: 1; transform: none; }
.gerak .karya-kepala.muncul::before { transform: scaleX(0); transition: transform 900ms cubic-bezier(.7,0,.2,1); }
.gerak .karya-kepala.tampil::before { transform: scaleX(1); }
.gerak .karya-kepala.muncul .nomor { filter: brightness(0.35) saturate(0.4); color: transparent; }
.gerak .karya-kepala.tampil .nomor { animation: nomor-nyala 700ms steps(1) 450ms both, nomor-angka 1ms linear 900ms both; }
@keyframes nomor-nyala { 0% { filter: brightness(0.35) saturate(0.4); } 25% { filter: brightness(1.15); } 45% { filter: brightness(0.7); } 60%, 100% { filter: none; } }
@keyframes nomor-angka { to { color: var(--lcd-titik); } }
.gerak .karya-kepala.muncul h2, .gerak .karya-kepala.muncul .karya-jenis { opacity: 0; transform: translateY(14px); transition: opacity 600ms ease 300ms, transform 700ms cubic-bezier(.2,.8,.2,1) 300ms; }
.gerak .karya-kepala.tampil h2, .gerak .karya-kepala.tampil .karya-jenis { opacity: 1; transform: none; }

/* lembar data: tercetak baris demi baris */
.gerak .lembar.muncul { transform: none; }
.gerak .lembar.muncul .spek > div, .gerak .lembar.muncul .revisi > li {
  clip-path: inset(0 100% 0 0);
  transition: clip-path 520ms cubic-bezier(.6,0,.2,1);
  transition-delay: calc(250ms + var(--i) * 90ms);
}
.gerak .lembar.muncul .revisi > li { transition-delay: calc(950ms + var(--i) * 110ms); }
.gerak .lembar.tampil .spek > div, .gerak .lembar.tampil .revisi > li { clip-path: inset(0 0 0 0); }

/* kutipan perpustakaan: tersapu dari kiri seperti ditulis */
.gerak .kutipan.muncul { transform: none; opacity: 1; }
.gerak .kutipan .sapu { display: block; }
.gerak .kutipan.muncul .sapu { clip-path: inset(0 100% 0 0); transition: clip-path 1300ms cubic-bezier(.6,0,.2,1) 150ms; }
.gerak .kutipan.tampil .sapu { clip-path: inset(-0.2em -0.2em -0.2em 0); }

/* tiga catatan: garis atas digambar bergiliran */
.gerak .tiga-kolom.muncul { opacity: 1; transform: none; }
.gerak .tiga-kolom > div { border-top: 0; background: linear-gradient(var(--garis), var(--garis)) no-repeat 0 0 / 100% 1px; }
.gerak .tiga-kolom.muncul > div { background-size: 0 1px; opacity: 0; transform: translateY(10px); transition: background-size 800ms cubic-bezier(.7,0,.2,1), opacity 600ms ease, transform 600ms ease; transition-delay: calc(var(--i) * 160ms); }
.gerak .tiga-kolom.tampil > div { background-size: 100% 1px; opacity: 1; transform: none; }

/* homelab: daftar muncul berurutan, diagram digambar lalu paket data berjalan */
.gerak .daftar-lab.muncul { opacity: 1; transform: none; }
.gerak .daftar-lab.muncul > div { opacity: 0; transform: translateX(-12px); transition: opacity 500ms ease, transform 600ms cubic-bezier(.2,.8,.2,1); transition-delay: calc(var(--i) * 90ms); }
.gerak .daftar-lab.tampil > div { opacity: 1; transform: none; }
.gerak .diagram.muncul { opacity: 1; transform: none; }
.gerak .diagram.muncul .garis path { stroke-dasharray: 1; stroke-dashoffset: 1; transition: stroke-dashoffset 900ms cubic-bezier(.6,0,.2,1) 500ms; }
.gerak .diagram.tampil .garis path { stroke-dashoffset: 0; }
.gerak .diagram.muncul .simpul rect, .gerak .diagram.muncul .label text { opacity: 0; transition: opacity 400ms ease; }
.gerak .diagram.tampil .simpul rect, .gerak .diagram.tampil .label text { opacity: 1; }
.gerak .diagram.tampil .simpul rect.aksen { animation: nomor-nyala 700ms steps(1) 900ms both; }

/* riwayat: tiap baris log masuk dari kiri, waktunya diketik */
.gerak .log > li.muncul { transform: translateX(-10px); }
.gerak .log > li.tampil { transform: none; }
.gerak .log > li.muncul .kapan { clip-path: inset(0 100% 0 0); transition: clip-path 500ms steps(9) calc(150ms + var(--i) * 70ms); }
.gerak .log > li.tampil .kapan { clip-path: inset(0 0 0 0); }