/* Gaya web contoh company profile "Arsa Teknik Nusantara" versi 2 (lihat design.md).
   Hitam arang, kapur, dan satu aksen lime. Huruf Archivo yang lebar untuk judul.
   Tiap halaman dibuat muat satu layar laptop. Gerak hanya saat pindah halaman dan saat memilih isi. */

@font-face {
  font-family: 'Archivo';
  src: url('/aset/fonts/archivo-latin.woff2') format('woff2');
  font-weight: 100 900;
  font-stretch: 62% 125%;
  font-style: normal;
  font-display: swap;
}

:root {
  --hitam: #0D0E10;
  --arang: #16181C;
  --kapur: #F1EFE9;
  --abu: #9DA1A8;
  --garis: #2A2D33;
  --garis-kuat: #3A3E46;
  --lime: #D5FF3D;
  --sisi: 20px;
  --kepala: 72px;
  --pager: 64px;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}
@media (min-width: 768px) { :root { --sisi: 40px; } }
@media (min-width: 1280px) { :root { --sisi: 64px; } }

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; background: var(--hitam); }
body {
  margin: 0;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  background: var(--hitam);
  color: var(--kapur);
  font-family: 'Archivo', Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-wrap: break-word;
}
img { display: block; max-width: 100%; height: auto; }
h1, h2, p, dl, dd, dt, ul, figure { margin: 0; }
ul { padding: 0; list-style: none; }
a { color: inherit; }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 3px solid var(--lime); outline-offset: 3px; }

.lewati { position: absolute; left: -9999px; top: 0; }
.lewati:focus { left: 12px; top: 12px; z-index: 50; background: var(--lime); color: var(--hitam); padding: 10px 14px; }

/* ---------- Kepala ---------- */
.kepala {
  position: relative; z-index: 20; height: var(--kepala);
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 0 var(--sisi); border-bottom: 1px solid var(--garis); background: var(--hitam);
}
.merek {
  display: inline-flex; align-items: center; gap: 12px; min-width: 0; text-decoration: none;
  font-stretch: 125%; font-weight: 800; font-size: 13px; line-height: 1.15;
  letter-spacing: 0.06em; text-transform: uppercase;
}
.merek-tanda { width: 30px; height: 30px; flex: none; }
.menu { display: flex; gap: 2px; }
.menu a { position: relative; padding: 10px 12px; color: var(--abu); text-decoration: none; font-stretch: 105%; font-weight: 500; font-size: 15px; }
.menu a:hover { color: var(--kapur); }
.menu a[aria-current="page"] { color: var(--kapur); }
.menu a[aria-current="page"]::after { content: ''; position: absolute; left: 12px; right: 12px; bottom: 0; height: 3px; background: var(--lime); }
.kanan { display: flex; align-items: center; gap: 12px; flex: none; }
.bahasa { display: inline-flex; border: 1px solid var(--garis-kuat); }
.bahasa button { min-width: 44px; min-height: 44px; padding: 0 10px; border: 0; background: transparent; color: var(--abu); font-weight: 600; font-size: 13px; letter-spacing: 0.08em; cursor: pointer; }
.bahasa button[aria-pressed="true"] { background: var(--kapur); color: var(--hitam); }
.kepala .tombol-kepala { display: none; }
.tombol-menu { display: none; min-height: 44px; padding: 0 14px; border: 1px solid var(--garis-kuat); background: transparent; color: var(--kapur); font-stretch: 112%; font-weight: 600; font-size: 14px; cursor: pointer; }
@media (max-width: 1099px) {
  .menu { display: none; }
  .tombol-menu { display: inline-flex; align-items: center; }
  .kepala.terbuka .menu { display: flex; flex-direction: column; gap: 0; position: absolute; top: 100%; left: 0; right: 0; padding: 4px var(--sisi) 16px; background: var(--hitam); border-bottom: 1px solid var(--garis); }
  .kepala.terbuka .menu a { padding: 14px 0; border-bottom: 1px solid var(--garis); }
  .kepala.terbuka .menu a[aria-current="page"]::after { display: none; }
}
@media (min-width: 1100px) { .kepala .tombol-kepala { display: inline-flex; min-height: 44px; padding: 0 18px; font-size: 14px; } }

/* ---------- Tombol ---------- */
.tombol {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 48px; padding: 0 22px; border: 0; border-radius: 0;
  background: var(--lime); color: var(--hitam);
  font-stretch: 112%; font-weight: 700; font-size: 15px; line-height: 1.2; text-align: center;
  text-decoration: none; cursor: pointer; transition: background-color 0.2s var(--ease), color 0.2s var(--ease);
}
.tombol:hover { background: var(--kapur); }
.tombol-garis { background: transparent; color: var(--kapur); border: 1.5px solid var(--kapur); }
.tombol-garis:hover { background: var(--kapur); color: var(--hitam); }

/* ---------- Tata letak: tiap halaman muat satu layar laptop ---------- */
.utama { flex: 1; min-height: 0; padding: 40px var(--sisi); }
.dua-kolom { display: grid; grid-template-columns: 1fr; gap: 32px; align-content: center; width: 100%; max-width: 1280px; margin: 0 auto; }
.satu { display: flex; flex-direction: column; justify-content: center; gap: 14px; width: 100%; max-width: 1120px; margin: 0 auto; }
.satu .judul { font-size: clamp(38px, 4.2vw, 64px); }
@media (min-width: 1024px) { .utama.satu { padding-top: 28px; padding-bottom: 20px; align-items: stretch; } }
.utama.satu > * { width: 100%; max-width: 1120px; margin-left: auto; margin-right: auto; }
.fakta .contoh { margin-left: 6px; padding: 1px 5px; font-size: 10px; }
@media (min-width: 1024px) {
  .utama { padding: 48px var(--sisi); display: flex; align-items: center; }
  .dua-kolom { grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr); gap: 72px; align-items: center; }
}

.pager {
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 12px;
  height: var(--pager); padding: 0 var(--sisi); border-top: 1px solid var(--garis);
  background: var(--hitam); font-size: 14px;
}
.pager a { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; color: var(--kapur); text-decoration: none; font-stretch: 112%; font-weight: 600; }
.pager a:hover { color: var(--lime); }
.pager a[rel="next"] { justify-self: end; }
.pusat { display: flex; align-items: center; gap: 18px; color: var(--abu); font-size: 13px; }
.nomor { font-stretch: 112%; font-weight: 700; color: var(--kapur); letter-spacing: 0.08em; }
.pusat .konsep { color: var(--abu); text-underline-offset: 3px; }
@media (max-width: 639px) { .pusat .konsep { display: none; } }

/* ---------- Teks ---------- */
.label { display: flex; align-items: center; gap: 12px; font-stretch: 112%; font-weight: 600; font-size: 13px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--abu); }
.label::before { content: ''; width: 28px; height: 2px; background: var(--lime); }
.judul { font-stretch: 125%; font-weight: 800; font-size: clamp(38px, 5vw, 80px); line-height: 0.98; letter-spacing: -0.025em; margin-top: 18px; }
.sub { font-stretch: 118%; font-weight: 700; font-size: clamp(26px, 2.6vw, 40px); line-height: 1.08; letter-spacing: -0.01em; }
.lead { margin-top: 22px; font-size: clamp(17px, 1.4vw, 20px); line-height: 1.55; color: var(--abu); max-width: 34em; }
.aksi { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.kecil { font-size: 14px; color: var(--abu); }
.kecil a { color: var(--kapur); text-underline-offset: 3px; }
.kode { font-stretch: 112%; font-weight: 600; font-size: 13px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--abu); }
.contoh { display: inline-block; margin-left: 10px; padding: 2px 6px; border: 1px solid var(--lime); color: var(--lime); font-size: 11px; font-weight: 700; letter-spacing: 0.12em; vertical-align: middle; }

.fakta { display: grid; grid-template-columns: 1fr; margin-top: 40px; border-top: 1px solid var(--garis); }
.fakta > div { padding: 16px 0; border-bottom: 1px solid var(--garis); }
.fakta dt { font-stretch: 112%; font-size: 12px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--abu); }
.fakta dd { margin-top: 6px; font-stretch: 110%; font-weight: 700; font-size: 17px; line-height: 1.3; }
@media (min-width: 600px) {
  .fakta { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .fakta > div { padding: 16px 16px 16px 0; }
  .fakta > div + div { padding-left: 16px; border-left: 1px solid var(--garis); }
}

/* ---------- Foto ---------- */
.foto { position: relative; overflow: hidden; background: var(--arang); aspect-ratio: 4 / 3; }
.foto img { width: 100%; height: 100%; object-fit: cover; }
.foto figcaption { position: absolute; left: 0; bottom: 0; padding: 7px 12px; background: var(--hitam); color: var(--abu); font-size: 13px; }
.foto.tinggi { aspect-ratio: 3 / 4; }
@media (min-width: 1024px) { .foto.tinggi { aspect-ratio: auto; height: min(calc(100svh - 230px), 640px); } }
.foto.lanskap { aspect-ratio: 16 / 9; }
.foto img.tarik { animation: tarik 1.3s var(--ease) both; }

/* ---------- Daftar ---------- */
.daftar { margin-top: 22px; border-top: 1px solid var(--garis); }
.daftar li { display: flex; gap: 14px; align-items: baseline; padding: 10px 0; border-bottom: 1px solid var(--garis); }
.daftar li::before { content: ''; flex: none; width: 10px; height: 10px; background: var(--lime); transform: translateY(-1px); }
.baris-daftar { margin-top: 30px; border-top: 1px solid var(--garis); }
.baris { display: grid; grid-template-columns: 200px 1fr; gap: 20px; padding: 18px 0; border-bottom: 1px solid var(--garis); }
.baris p { color: var(--abu); }
@media (max-width: 639px) { .baris { grid-template-columns: 1fr; gap: 8px; } }
.chip-daftar { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.chip { padding: 8px 12px; border: 1px solid var(--garis-kuat); font-size: 14px; }

/* ---------- Pilihan (tab) ---------- */
.tab-daftar { margin-top: 36px; border-top: 1px solid var(--garis); }
.tab {
  display: flex; align-items: center; gap: 16px; width: 100%; padding: 16px 0;
  border: 0; border-bottom: 1px solid var(--garis); background: transparent; color: var(--abu);
  text-align: left; cursor: pointer;
  font-stretch: 112%; font-weight: 700; font-size: clamp(20px, 2vw, 28px); line-height: 1.2;
}
.tab::before { content: ''; flex: none; width: 12px; height: 12px; background: var(--garis-kuat); }
.tab:hover { color: var(--kapur); }
.tab.aktif { color: var(--kapur); }
.tab.aktif::before { background: var(--lime); }
.panel-wrap { min-width: 0; }
.panel[hidden], .rincian[hidden], .tahap[hidden] { display: none; }
.panel p { margin-top: 14px; color: var(--abu); }
.panel .sub { margin-top: 22px; }

/* ---------- Tahap (halaman Proses) ---------- */
.tahap-daftar { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin-top: 32px; }
.tahap-tab {
  min-height: 48px; padding: 14px 14px 0 0; border: 0; border-top: 3px solid var(--garis); background: transparent;
  color: var(--abu); text-align: left; cursor: pointer;
  font-stretch: 112%; font-weight: 700; font-size: 16px; line-height: 1.25;
}
.tahap-tab:hover { color: var(--kapur); }
.tahap-tab.aktif { color: var(--kapur); border-top-color: var(--lime); }
.tahap { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); gap: 40px; align-items: start; margin-top: 20px; }
.tahap-angka { font-stretch: 125%; font-weight: 800; font-size: clamp(80px, 9vw, 140px); line-height: 0.85; color: var(--lime); letter-spacing: -0.04em; }
.tahap-isi p { margin-top: 14px; color: var(--abu); max-width: 36em; }
.tahap-isi .sub { margin-top: 0; }
.geser { display: flex; gap: 12px; margin-top: 8px; }
.geser button { min-height: 44px; padding: 0 18px; border: 1px solid var(--garis-kuat); background: transparent; color: var(--kapur); font-stretch: 112%; font-weight: 600; cursor: pointer; }
.geser button:hover { border-color: var(--lime); }
@media (max-width: 767px) {
  .tahap-daftar { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .tahap { grid-template-columns: 1fr; gap: 12px; }
  .tahap-angka { font-size: 96px; }
}

/* ---------- Proyek ---------- */
.kisi-kiri { display: grid; align-content: start; min-width: 0; }
.kisi-proyek { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin-top: 26px; }
.kotak { position: relative; aspect-ratio: 4 / 3; padding: 0; border: 0; background: var(--arang); overflow: hidden; cursor: pointer; text-align: left; }
.kotak img { width: 100%; height: 100%; object-fit: cover; opacity: 0.55; transition: opacity 0.3s var(--ease), transform 0.6s var(--ease); }
.kotak:hover img { opacity: 0.9; transform: scale(1.03); }
.kotak.aktif img { opacity: 1; }
.kotak.aktif { outline: 2px solid var(--lime); outline-offset: -2px; }
.kotak-nama { position: absolute; left: 0; right: 0; bottom: 0; padding: 9px 10px; background: var(--hitam); font-stretch: 112%; font-weight: 700; font-size: 13px; line-height: 1.25; }
.kisi-kanan { min-width: 0; }
.rincian { display: grid; gap: 12px; align-content: start; }
.rincian .foto { aspect-ratio: 2 / 1; }
.info-proyek { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.info-proyek dt { font-stretch: 112%; font-size: 12px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--abu); }
.info-proyek dd { margin-top: 4px; font-weight: 600; }
@media (max-width: 639px) { .kisi-proyek { grid-template-columns: repeat(2, minmax(0, 1fr)); } .info-proyek { grid-template-columns: 1fr; } }

/* ---------- Formulir dan info ---------- */
.formulir { display: grid; gap: 14px; align-content: start; }
.medan { display: grid; gap: 8px; }
.medan label { font-stretch: 112%; font-weight: 600; font-size: 13px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--abu); }
.medan input, .medan select, .medan textarea {
  width: 100%; min-height: 50px; padding: 12px 14px; border: 1px solid var(--garis-kuat); border-radius: 0;
  background: var(--arang); color: var(--kapur); font-size: 16px;
}
.medan textarea { min-height: 90px; resize: vertical; }
.medan input:focus, .medan select:focus, .medan textarea:focus { border-color: var(--lime); outline: none; }
.info { margin-top: 22px; border-top: 1px solid var(--garis); }
.info > div { padding: 10px 0; border-bottom: 1px solid var(--garis); }
.info dt { font-stretch: 112%; font-size: 12px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--abu); }
.info dd { margin-top: 4px; font-weight: 600; font-size: 17px; }
.info dd a { text-underline-offset: 3px; }

/* ---------- Sumber foto ---------- */
.sumber-daftar { border-top: 1px solid var(--garis); }
.sumber-daftar li { display: grid; grid-template-columns: 220px 1fr; gap: 16px; padding: 12px 0; border-bottom: 1px solid var(--garis); font-size: 15px; }
.sumber-daftar li > span:first-child { font-weight: 700; }
.sumber-daftar a { color: var(--kapur); text-underline-offset: 3px; }
@media (max-width: 639px) { .sumber-daftar li { grid-template-columns: 1fr; gap: 4px; } }

/* ---------- Pager dan gerak: hanya saat pindah halaman dan saat memilih isi ---------- */
@keyframes naik { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }
@keyframes tarik { from { transform: scale(1.08); } to { transform: none; } }
.naik { animation: naik 0.7s var(--ease) both; animation-delay: var(--tunda, 0s); }
main, .pager { transition: opacity 0.22s ease, transform 0.22s ease; }
body.keluar main, body.keluar .pager { opacity: 0; transform: translateY(-10px); }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}