/* AADZ Grafika — tema dari palet logo (lihat docs/adr/0002-tema-warna-logo.md)
   merah #E3222B · merah tua #AF3338 · tinta #2A2929 */
:root {
  --merah: #E3222B;
  --merah-tua: #AF3338;
  --merah-muda: #FDECEC;
  --tinta: #2A2929;
  --tinta-2: #4A4545;
  --teks: #2A2929;
  --teks-2: #5F5A59;
  --latar: #FFFFFF;
  --latar-2: #F7F5F4;
  --garis: #E7E2E1;
  --putih: #FFFFFF;
  --radius: 10px;
  --bayang: 0 1px 2px rgba(42, 41, 41, .06), 0 4px 16px rgba(42, 41, 41, .06);
  --lebar: 1160px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; font-family: var(--font); font-size: 16px; line-height: 1.6; color: var(--teks); background: var(--latar); }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--merah-tua); }
a:hover { color: var(--merah); }
h1, h2, h3, h4 { line-height: 1.25; margin: 0 0 .5em; color: var(--tinta); }
h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); }
h2 { font-size: clamp(1.4rem, 3vw, 1.9rem); }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; }
:focus-visible { outline: 3px solid var(--merah); outline-offset: 2px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.wadah { width: min(100% - 32px, var(--lebar)); margin-inline: auto; }
.lompat { position: absolute; left: -999px; top: 8px; background: var(--tinta); color: #fff; padding: 8px 12px; z-index: 100; }
.lompat:focus { left: 8px; }

/* motif tiga garis dari logo */
.garis-tiga { display: grid; gap: 4px; width: 64px; margin-bottom: 14px; }
.garis-tiga span { height: 3px; background: var(--merah); border-radius: 2px; }
.garis-tiga span:nth-child(2) { width: 80%; }
.garis-tiga span:nth-child(3) { width: 60%; }
.garis-tiga--terang span { background: #fff; }

/* tombol */
.tombol { display: inline-flex; align-items: center; gap: 8px; padding: 11px 20px; border-radius: 999px; border: 2px solid transparent;
  font-weight: 600; font-size: .95rem; text-decoration: none; cursor: pointer; transition: background .15s, color .15s, border-color .15s; }
.tombol--utama { background: var(--merah); color: #fff; }
.tombol--utama:hover { background: var(--merah-tua); color: #fff; }
.tombol--garis { border-color: currentColor; color: var(--tinta); background: transparent; }
.tombol--garis:hover { background: var(--tinta); color: #fff; border-color: var(--tinta); }
.tombol--terang { background: #fff; color: var(--tinta); }
.tombol--terang:hover { background: var(--merah-muda); color: var(--tinta); }
.tombol--wa { background: #1F9D55; color: #fff; }
.tombol--wa:hover { background: #17834A; color: #fff; }
.tombol svg { width: 18px; height: 18px; flex: none; }

/* bar atas + header */
.bar-atas { background: var(--tinta); color: #E9E6E5; font-size: .85rem; }
.bar-atas .wadah { display: flex; flex-wrap: wrap; gap: 6px 20px; justify-content: space-between; padding: 6px 0; }
.bar-atas a { color: #fff; text-decoration: none; }
.header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.97); border-bottom: 1px solid var(--garis); backdrop-filter: blur(6px); }
.header .wadah { display: flex; align-items: center; gap: 16px; min-height: 72px; }
.logo img { height: 52px; width: auto; }
.nav { margin-left: auto; }
.nav ul { list-style: none; display: flex; gap: 2px; margin: 0; padding: 0; }
.nav a { display: block; padding: 8px 12px; border-radius: 8px; color: var(--tinta); text-decoration: none; font-weight: 500; font-size: .95rem; }
.nav a:hover { background: var(--latar-2); }
.nav a[aria-current="page"] { color: var(--merah); box-shadow: inset 0 -2px 0 var(--merah); border-radius: 0; }
.nav-toggle { display: none; margin-left: auto; background: none; border: 1px solid var(--garis); border-radius: 8px; padding: 8px 10px; cursor: pointer; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--tinta); margin: 4px 0; }
.header .tombol { margin-left: 8px; }

@media (max-width: 960px) {
  .nav-toggle { display: block; }
  .header .tombol--cta { display: none; }
  .nav { position: absolute; left: 0; right: 0; top: 100%; background: #fff; border-bottom: 1px solid var(--garis); display: none; }
  .nav.terbuka { display: block; }
  .nav ul { flex-direction: column; padding: 8px 16px 16px; }
  .nav a[aria-current="page"] { box-shadow: inset 3px 0 0 var(--merah); }
}

/* hero */
.hero { position: relative; background: var(--tinta); color: #fff; overflow: hidden; }
.hero::after { content: ""; position: absolute; right: -80px; top: -80px; width: 420px; height: 420px; border-radius: 50%;
  background: radial-gradient(circle, rgba(227,34,43,.55), rgba(227,34,43,0) 70%); pointer-events: none; }
.hero .wadah { position: relative; z-index: 1; display: grid; grid-template-columns: 1.2fr .8fr; gap: 40px; align-items: center; padding: 72px 0; }
.hero h1 { color: #fff; }
.hero h1 em { font-style: normal; color: #FF5A61; }
.hero p { color: #DEDAD9; font-size: 1.1rem; max-width: 56ch; }
.hero .aksi { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.hero-kartu { background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12); border-radius: 16px; padding: 24px; }
.hero-kartu ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.hero-kartu li { display: flex; gap: 12px; align-items: flex-start; color: #EDEAEA; }
.hero-kartu b { color: #fff; display: block; }
.ikon-bulat { flex: none; width: 36px; height: 36px; border-radius: 50%; background: var(--merah); display: grid; place-items: center; color: #fff; font-weight: 700; }
@media (max-width: 860px) { .hero .wadah { grid-template-columns: 1fr; padding: 48px 0; } }

/* halaman dalam */
.judul-halaman { background: var(--latar-2); border-bottom: 1px solid var(--garis); padding: 40px 0 32px; }
.judul-halaman p { color: var(--teks-2); max-width: 70ch; margin: 0; }
.remah { font-size: .85rem; color: var(--teks-2); margin-bottom: 8px; }
.remah a { color: var(--teks-2); }

/* seksi */
.seksi { padding: 64px 0; }
.seksi--abu { background: var(--latar-2); }
.seksi-kepala { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: end; gap: 12px; margin-bottom: 28px; }
.seksi-kepala p { color: var(--teks-2); margin: 0; max-width: 60ch; }

.grid { display: grid; gap: 20px; }
.grid--2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.grid--4 { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }
@media (max-width: 600px) { .grid--4 { grid-template-columns: repeat(2, 1fr); gap: 12px; } .buku-info { padding: 10px; } }

.kartu { background: #fff; border: 1px solid var(--garis); border-radius: var(--radius); padding: 22px; box-shadow: var(--bayang); }
.kartu h3 { margin-bottom: .4em; }
.kartu p { color: var(--teks-2); margin: 0; }
.kartu--layanan { border-top: 4px solid var(--merah); }
.kartu--tautan { text-decoration: none; color: inherit; transition: transform .15s, box-shadow .15s; display: block; }
.kartu--tautan:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(42,41,41,.12); color: inherit; }

/* kartu buku */
.buku { display: flex; flex-direction: column; text-decoration: none; color: inherit; background: #fff; border: 1px solid var(--garis);
  border-radius: var(--radius); overflow: hidden; transition: transform .15s, box-shadow .15s; }
.buku:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(42,41,41,.12); color: inherit; }
.buku-sampul { aspect-ratio: 2 / 3; background: var(--latar-2); display: grid; place-items: center; overflow: hidden; }
.buku-sampul img { width: 100%; height: 100%; object-fit: cover; }
.buku-sampul .kosong { padding: 16px; text-align: center; color: var(--teks-2); font-size: .9rem; }
.buku-info { padding: 14px; display: flex; flex-direction: column; gap: 4px; flex: 1; }
.buku-info h3 { font-size: 1rem; margin: 0; }
.buku-info .penulis { font-size: .85rem; color: var(--teks-2); }
.harga { font-weight: 700; color: var(--merah-tua); margin-top: auto; }
.harga s { color: var(--teks-2); font-weight: 400; font-size: .85rem; margin-left: 6px; }
.label { display: inline-block; font-size: .75rem; font-weight: 600; padding: 2px 8px; border-radius: 999px; background: var(--merah-muda); color: var(--merah-tua); }

/* detail buku */
.detail-buku { display: grid; grid-template-columns: 320px 1fr; gap: 40px; align-items: start; }
.detail-buku .buku-sampul { border-radius: var(--radius); border: 1px solid var(--garis); }
.tabel-data { width: 100%; border-collapse: collapse; margin: 16px 0 24px; }
.tabel-data th, .tabel-data td { text-align: left; padding: 9px 0; border-bottom: 1px solid var(--garis); vertical-align: top; }
.tabel-data th { width: 34%; color: var(--teks-2); font-weight: 500; }
.harga-besar { font-size: 1.6rem; font-weight: 800; color: var(--merah); }
.aksi { display: flex; flex-wrap: wrap; gap: 10px; }
@media (max-width: 760px) { .detail-buku { grid-template-columns: 1fr; } .detail-buku .buku-sampul { max-width: 260px; } }

/* filter & cari */
.filter { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
.chip { padding: 6px 14px; border-radius: 999px; border: 1px solid var(--garis); text-decoration: none; color: var(--tinta); font-size: .9rem; background: #fff; }
.chip:hover { border-color: var(--tinta); color: var(--tinta); }
.chip.aktif { background: var(--tinta); color: #fff; border-color: var(--tinta); }
.cari { display: flex; gap: 8px; max-width: 520px; margin-bottom: 16px; }
.cari input { flex: 1; }

/* form */
.form { display: grid; gap: 16px; max-width: 720px; }
.form-baris { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.field label { display: block; font-weight: 600; font-size: .92rem; margin-bottom: 6px; }
.field .wajib { color: var(--merah); }
.field .bantuan { font-size: .82rem; color: var(--teks-2); margin-top: 4px; }
.field .galat { font-size: .85rem; color: var(--merah-tua); margin-top: 4px; }
input[type=text], input[type=email], input[type=search], input[type=number], input[type=date], input[type=file], select, textarea {
  width: 100%; font: inherit; padding: 10px 12px; border: 1px solid #CFC8C7; border-radius: 8px; background: #fff; color: var(--teks); }
input:focus, select:focus, textarea:focus { border-color: var(--merah); outline: 2px solid rgba(227,34,43,.2); }
.field--centang { display: flex; gap: 10px; align-items: flex-start; }
.field--centang label { font-weight: 400; }
.field--jebakan { position: absolute; left: -9999px; }
.pesan { padding: 14px 16px; border-radius: 8px; margin-bottom: 20px; }
.pesan--success { background: #E8F6EE; color: #17633A; border: 1px solid #BFE5CF; }
.pesan--error { background: var(--merah-muda); color: var(--merah-tua); border: 1px solid #F5C2C4; }

/* paket */
.paket { position: relative; display: flex; flex-direction: column; }
.paket ul { padding-left: 1.1em; margin: 12px 0 20px; color: var(--teks-2); }
.paket .harga-besar { margin: 8px 0; }
.paket--unggulan { border: 2px solid var(--merah); }
.paket--unggulan::before { content: "Paling diminati"; position: absolute; top: -12px; left: 20px; background: var(--merah); color: #fff;
  font-size: .75rem; font-weight: 700; padding: 3px 10px; border-radius: 999px; }
.paket .tombol { margin-top: auto; align-self: flex-start; }

/* alur */
.alur { counter-reset: langkah; list-style: none; padding: 0; margin: 0; display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); }
.alur li { counter-increment: langkah; background: #fff; border: 1px solid var(--garis); border-radius: var(--radius); padding: 18px; }
.alur li::before { content: counter(langkah); display: grid; place-items: center; width: 32px; height: 32px; border-radius: 50%;
  background: var(--merah); color: #fff; font-weight: 700; margin-bottom: 10px; }
.alur b { display: block; color: var(--tinta); }
.alur span { font-size: .9rem; color: var(--teks-2); }

/* testimoni, mitra, galeri */
.testimoni blockquote { margin: 0 0 12px; font-size: 1rem; color: var(--teks); }
.testimoni blockquote::before { content: "\201C"; display: block; font-size: 3rem; line-height: .6; color: var(--merah); }
.testimoni cite { font-style: normal; font-weight: 600; }
.testimoni small { display: block; color: var(--teks-2); }
.mitra { display: flex; flex-wrap: wrap; gap: 28px 40px; align-items: center; justify-content: center; }
.mitra img { max-height: 56px; width: auto; filter: grayscale(1); opacity: .8; transition: filter .2s, opacity .2s; }
.mitra a:hover img, .mitra img:hover { filter: none; opacity: 1; }
.galeri { columns: 3 260px; column-gap: 16px; }
.galeri figure { break-inside: avoid; margin: 0 0 16px; border-radius: var(--radius); overflow: hidden; background: var(--latar-2); }
.galeri figcaption { padding: 8px 12px; font-size: .88rem; color: var(--teks-2); }

/* artikel */
.artikel-isi { max-width: 72ch; font-size: 1.05rem; }
.artikel-isi img { border-radius: var(--radius); margin: 1em 0; }
.meta { font-size: .85rem; color: var(--teks-2); }

/* CTA band */
.cta { background: var(--merah); color: #fff; border-radius: 16px; padding: 36px; display: flex; flex-wrap: wrap; gap: 20px; justify-content: space-between; align-items: center; }
.cta h2 { color: #fff; margin: 0 0 4px; }
.cta p { margin: 0; color: #FFE5E6; }

/* kosong */
.kosong-info { padding: 32px; text-align: center; border: 2px dashed var(--garis); border-radius: var(--radius); color: var(--teks-2); }

/* paginasi */
.paginasi { display: flex; gap: 8px; justify-content: center; margin-top: 32px; }
.paginasi a, .paginasi span { padding: 8px 14px; border-radius: 8px; border: 1px solid var(--garis); text-decoration: none; color: var(--tinta); }
.paginasi span { background: var(--tinta); color: #fff; border-color: var(--tinta); }

/* footer */
.footer { background: var(--tinta); color: #CFCACA; padding: 56px 0 24px; margin-top: 0; font-size: .95rem; }
.footer .grid { grid-template-columns: 1.4fr 1fr 1fr; gap: 32px; }
.footer h3 { color: #fff; font-size: 1rem; }
.footer a { color: #fff; text-decoration: none; }
.footer a:hover { color: #FF8A8F; }
.footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.footer-bawah { border-top: 1px solid rgba(255,255,255,.12); margin-top: 32px; padding-top: 16px; font-size: .85rem; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; }
@media (max-width: 760px) { .footer .grid { grid-template-columns: 1fr; } }

/* tombol WA melayang */
.wa-melayang { position: fixed; right: 18px; bottom: 18px; z-index: 60; width: 56px; height: 56px; border-radius: 50%; background: #1F9D55;
  display: grid; place-items: center; box-shadow: 0 6px 20px rgba(0,0,0,.25); }
.wa-melayang:hover { background: #17834A; }
.wa-melayang svg { width: 30px; height: 30px; fill: #fff; }

.peta { width: 100%; height: 340px; border: 0; border-radius: var(--radius); }