/* Panel masuk web Reliability & Maintenance (K71). Huruf sama dengan web: Libre Baskerville dan Source Sans 3. */
@font-face { font-family: "Libre Baskerville"; font-style: normal; font-weight: 400; font-display: swap; src: url("/web/rm/huruf/libre-baskerville-latin.woff2") format("woff2"); }
@font-face { font-family: "Libre Baskerville"; font-style: italic; font-weight: 400; font-display: swap; src: url("/web/rm/huruf/libre-baskerville-italic-latin.woff2") format("woff2"); }
@font-face { font-family: "Source Sans 3"; font-style: normal; font-weight: 200 900; font-display: swap; src: url("/web/rm/huruf/source-sans-3-latin.woff2") format("woff2"); }

:root {
  --merah: #e3202b;
  --merah-tua: #8f0f1e;
  --merah-gelap: #4a0810;
  --biru: #0b5cad;
  --hijau: #8dc63f;
  --putih: #ffffff;
  --krem: #fbf6f2;
  --tinta: #1a1414;
  --abu: #6b5f5f;
  --garis: #e9dede;
  --serif: "Libre Baskerville", Georgia, "Times New Roman", serif;
  --sans: "Source Sans 3", "Segoe UI", system-ui, -apple-system, sans-serif;
  --bayang: 0 24px 60px rgba(40, 0, 6, .35), 0 2px 6px rgba(40, 0, 6, .18);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: var(--sans);
  color: var(--putih);
  background: var(--merah-gelap);
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr auto;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ---- latar: foto kilang dengan lapisan merah ---- */
.latar { position: fixed; inset: 0; z-index: -1; overflow: hidden; background: var(--merah-gelap); }
.latar-foto {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 60% 45%;
  filter: grayscale(.55) contrast(1.08) brightness(.9);
  transform: scale(1.02);
}
.latar-merah {
  position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(190, 14, 30, .96) 0%, rgba(186, 20, 36, .86) 38%, rgba(150, 16, 32, .62) 68%, rgba(120, 12, 28, .5) 100%);
  mix-blend-mode: multiply;
}
.latar-gelap {
  position: absolute; inset: 0;
  background:
    radial-gradient(120% 90% at 0% 30%, rgba(60, 3, 10, .55) 0%, rgba(60, 3, 10, 0) 60%),
    linear-gradient(180deg, rgba(30, 0, 4, .35) 0%, rgba(30, 0, 4, 0) 30%, rgba(30, 0, 4, .55) 100%);
}
.latar-garis {
  position: absolute; left: 0; right: 0; bottom: 0; height: 4px;
  background: linear-gradient(90deg, var(--biru) 0 34%, var(--merah) 34% 67%, var(--hijau) 67% 100%);
  opacity: .95;
}

/* ---- kepala ---- */
.atas {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: clamp(14px, 2.4vw, 26px) clamp(16px, 4vw, 56px) 0;
}
.merek {
  background: var(--putih); border-radius: 12px; padding: 6px 14px;
  box-shadow: 0 10px 30px rgba(40, 0, 6, .25);
  display: inline-flex; align-items: center;
}
.merek img { display: block; height: 46px; width: auto; }
.tautan-atas {
  color: rgba(255, 255, 255, .92); text-decoration: none; font-size: 14px; letter-spacing: .02em;
  padding: 9px 14px; border: 1px solid rgba(255, 255, 255, .35); border-radius: 999px; backdrop-filter: blur(6px);
  transition: background .2s, border-color .2s;
}
.tautan-atas:hover { background: rgba(255, 255, 255, .12); border-color: rgba(255, 255, 255, .7); }

/* ---- papan utama ---- */
.papan {
  display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(320px, 420px);
  gap: clamp(28px, 6vw, 96px); align-items: center;
  padding: clamp(24px, 5vh, 56px) clamp(16px, 4vw, 56px);
  max-width: 1240px; width: 100%; margin: 0 auto;
}
.kiri { max-width: 600px; }
.sorot {
  margin: 0 0 18px; font-size: 13.5px; letter-spacing: .14em; text-transform: uppercase; font-weight: 600;
  color: rgba(255, 255, 255, .82); display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
}
.titik { width: 6px; height: 6px; border-radius: 50%; background: var(--hijau); display: inline-block; }
.judul {
  font-family: var(--serif); font-style: italic; font-weight: 400;
  font-size: clamp(38px, 5.2vw, 64px); line-height: 1.05; margin: 0 0 14px; letter-spacing: -.01em;
  text-shadow: 0 2px 18px rgba(40, 0, 6, .35);
}
.judul .amp { font-style: italic; opacity: .85; }
.label-merah {
  display: inline-block; margin: 0 0 18px; padding: 9px 16px; background: var(--merah);
  font-weight: 700; letter-spacing: .12em; text-transform: uppercase; font-size: clamp(14px, 1.5vw, 19px);
  box-shadow: 0 8px 24px rgba(227, 32, 43, .35);
}
.uraian { margin: 0 0 22px; font-size: clamp(15.5px, 1.3vw, 17.5px); line-height: 1.55; color: rgba(255, 255, 255, .9); max-width: 56ch; }
.fitur { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.fitur li {
  display: grid; grid-template-columns: 180px 1fr; gap: 12px; align-items: baseline;
  padding: 10px 14px; border-left: 3px solid var(--hijau); background: rgba(255, 255, 255, .08);
  backdrop-filter: blur(4px); border-radius: 0 10px 10px 0; font-size: 15px;
}
.fitur b { font-weight: 700; color: var(--putih); }
.fitur span { color: rgba(255, 255, 255, .82); }

/* ---- kartu masuk ---- */
.kartu {
  background: var(--putih); color: var(--tinta); border-radius: 20px; padding: 30px 30px 24px;
  box-shadow: var(--bayang); position: relative; overflow: hidden;
}
.kartu::before {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 5px;
  background: linear-gradient(90deg, var(--biru) 0 34%, var(--merah) 34% 67%, var(--hijau) 67% 100%);
}
.kartu-kepala h2 { font-family: var(--serif); font-weight: 400; font-size: 26px; margin: 4px 0 6px; }
.kartu-kepala p { margin: 0 0 22px; color: var(--abu); font-size: 15px; }

.kotak-kode { display: grid; grid-template-columns: repeat(6, 1fr); gap: 8px; }
.digit {
  width: 100%; height: 60px; border: 1.5px solid var(--garis); border-radius: 12px; background: var(--krem);
  font-family: var(--serif); font-size: 26px; text-align: center; color: var(--tinta); outline: none;
  transition: border-color .15s, box-shadow .15s, background .15s; caret-color: var(--merah);
}
.digit:focus { border-color: var(--merah); box-shadow: 0 0 0 4px rgba(227, 32, 43, .14); background: var(--putih); }
.digit.terisi { border-color: #cfc3c3; background: var(--putih); }
.kotak-kode.salah .digit { border-color: var(--merah); animation: goyang .4s; }
@keyframes goyang { 20% { transform: translateX(-5px); } 40% { transform: translateX(5px); } 60% { transform: translateX(-3px); } 80% { transform: translateX(3px); } }

.pesan { min-height: 20px; margin: 10px 0 8px; font-size: 14px; color: var(--merah-tua); }
.pesan.baik { color: #2f7d1a; }

.tombol {
  width: 100%; height: 50px; border: 0; border-radius: 12px; cursor: pointer;
  background: linear-gradient(180deg, #ef3a45, var(--merah) 60%, #c71a24); color: var(--putih);
  font: 600 16px/1 var(--sans); letter-spacing: .02em; display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  box-shadow: 0 10px 24px rgba(227, 32, 43, .32); transition: transform .12s, box-shadow .12s, filter .12s; text-decoration: none;
}
.tombol:hover { filter: brightness(1.04); box-shadow: 0 12px 28px rgba(227, 32, 43, .4); }
.tombol:active { transform: translateY(1px); }
.tombol[disabled] { filter: saturate(.4) brightness(.95); cursor: progress; }
.panah { width: 9px; height: 9px; border-right: 2px solid currentColor; border-top: 2px solid currentColor; transform: rotate(45deg); }
.tombol-lanjut { margin-top: 10px; background: var(--putih); color: var(--merah-tua); border: 1.5px solid var(--merah); box-shadow: none; }
.tombol-lanjut:hover { background: #fff5f5; }

.status {
  margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--garis);
  display: grid; grid-template-columns: 14px 1fr; gap: 12px; align-items: start;
}
.lampu { width: 10px; height: 10px; border-radius: 50%; margin-top: 5px; background: #b9b0b0; box-shadow: 0 0 0 4px rgba(0, 0, 0, .04); }
.status[data-keadaan="cek"] .lampu { background: #d7b13a; animation: denyut 1.4s infinite; }
.status[data-keadaan="aktif"] .lampu { background: #35a24a; box-shadow: 0 0 0 4px rgba(53, 162, 74, .16); }
.status[data-keadaan="mati"] .lampu { background: #b9b0b0; }
@keyframes denyut { 50% { opacity: .35; } }
.status-judul { margin: 0; font-weight: 600; font-size: 15px; }
.status-isi { margin: 2px 0 0; color: var(--abu); font-size: 13.5px; line-height: 1.45; }

/* ---- kaki ---- */
.bawah {
  display: flex; justify-content: space-between; gap: 16px; align-items: end;
  padding: 0 clamp(16px, 4vw, 56px) clamp(16px, 2.6vw, 28px); font-size: 13px; color: rgba(255, 255, 255, .72);
}
.bawah p { margin: 0; max-width: 70ch; }
.bawah-kanan { font-family: var(--serif); font-size: 14px; letter-spacing: .08em; }

/* ---- layar sempit ---- */
@media (max-width: 900px) {
  .papan { grid-template-columns: 1fr; gap: 28px; padding-top: 18px; }
  .kartu { order: -1; }
  .kiri { max-width: none; }
  .fitur li { grid-template-columns: 1fr; gap: 2px; }
  .kartu { padding: 24px 20px 20px; }
  .digit { height: 54px; font-size: 22px; }
  .bawah { flex-direction: column; align-items: start; }
}
@media (max-width: 420px) {
  .merek img { height: 36px; }
  .tautan-atas { display: none; }
  .kotak-kode { gap: 6px; }
  .digit { height: 50px; font-size: 20px; border-radius: 10px; }
}
@media (prefers-reduced-motion: reduce) {
  .kotak-kode.salah .digit, .status[data-keadaan="cek"] .lampu { animation: none; }
}