/* Tutorial store.ichibot.id/tutorial: tata letak ala Instructables, warna Ichibot Store (navy #003459) */
@font-face { font-family: "Inter"; src: url(fonts/Inter-Regular.otf); font-weight: 400; font-display: swap; }
@font-face { font-family: "Inter"; src: url(fonts/Inter-SemiBold.otf); font-weight: 600; font-display: swap; }
@font-face { font-family: "Inter"; src: url(fonts/Inter-Bold.otf); font-weight: 700; font-display: swap; }
@font-face { font-family: "Silkscreen"; src: url(fonts/Silkscreen-Bold.ttf); font-weight: 700; font-display: swap; }
@font-face { font-family: "Jersey 15"; src: url(fonts/Jersey15-Regular.ttf); font-weight: 400; font-display: swap; }
@font-face { font-family: "JetBrains Mono"; src: url(fonts/JetBrainsMono-Regular.ttf); font-weight: 400; font-display: swap; }
@font-face { font-family: "JetBrains Mono"; src: url(fonts/JetBrainsMono-Bold.ttf); font-weight: 700; font-display: swap; }

:root {
  --navy: #003459; --navy-2: #0B4F7F; --navy-3: #E6EEF5; --ink: #111827; --muted: #5B6474; --line: #E5E7EB;
  --bg: #FFFFFF; --soft: #F5F7FA; --accent: #FFB020; --wa: #1FAF5A; --code: #0E1726; --r: 8px; color-scheme: light;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 120px; }
body { margin: 0; font: 400 16px/1.65 Inter, system-ui, sans-serif; color: var(--ink); background: var(--bg); -webkit-font-smoothing: antialiased; overflow-x: hidden; }
a { color: var(--navy-2); text-underline-offset: 3px; }
a:hover { color: var(--navy); }
code { font: 400 .86em "JetBrains Mono", ui-monospace, monospace; background: #EEF2F7; padding: .1em .35em; border-radius: 4px; overflow-wrap: anywhere; }
h1, h2, h3 { line-height: 1.2; color: var(--ink); }
.wrap { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.mut { color: var(--muted); }

/* ---------- header: logo, cari, tombol, lalu menu kategori ---------- */
.top { background: #fff; position: sticky; top: 0; z-index: 20; box-shadow: 0 1px 0 var(--line); }
.bar { display: flex; align-items: center; gap: 14px; height: 64px; }
.logo svg { height: 17px; width: auto; display: block; }
.brandsub { font-weight: 700; color: var(--navy); text-decoration: none; border-left: 1px solid var(--line); padding-left: 14px; font-size: 15px; }
.topcari { flex: 1; max-width: 520px; margin: 0 auto; min-width: 0; }
.topcari input { width: 100%; font: inherit; font-size: 15px; padding: 9px 16px 9px 40px; border: 1px solid #D1D5DB; border-radius: 999px; background: #fff
  url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236B7280' stroke-width='2.2' stroke-linecap='round'%3E%3Ccircle cx='11' cy='11' r='7'/%3E%3Cpath d='m20 20-3.5-3.5'/%3E%3C/svg%3E") no-repeat 14px center; }
.topcari input:focus, .bigcari input:focus, #cari:focus { outline: 2px solid #9CC3E6; border-color: #9CC3E6; }
.catnav { border-top: 1px solid var(--line); background: #fff; }
.catnav .wrap { display: flex; gap: 22px; overflow-x: auto; scrollbar-width: none; height: 44px; align-items: center; }
.catnav a { color: #374151; text-decoration: none; font-weight: 600; font-size: 14px; white-space: nowrap; padding: 11px 0; border-bottom: 2px solid transparent; }
.catnav a:hover { color: var(--navy); border-bottom-color: var(--navy); }
.catnav .wrap::-webkit-scrollbar { display: none; }

/* ---------- tombol ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; background: var(--navy); color: #fff; text-decoration: none; font-weight: 700;
       padding: 11px 20px; border-radius: 4px; font-size: 15px; border: 0; cursor: pointer; font-family: inherit; text-align: center; }
.btn:hover { background: var(--navy-2); color: #fff; }
.btn.sm { padding: 8px 14px; font-size: 14px; white-space: nowrap; }
.btn.wa { background: var(--wa); } .btn.wa:hover { background: #17924A; }
.btn.full { width: 100%; }

/* ---------- beranda ---------- */
.hero { background: var(--navy); color: #fff; padding: 64px 0 56px; position: relative; overflow: hidden; }
.hero::after { content: ""; position: absolute; inset: 0; background-image: radial-gradient(rgba(255,255,255,.08) 1px, transparent 1px); background-size: 22px 22px; pointer-events: none; }
.hero .wrap { position: relative; z-index: 1; }
/* ilustrasi tidak menambah tinggi hero: diletakkan di belakang, boleh terpotong */
.hero-grid > div { position: relative; z-index: 1; max-width: calc(100% - 380px); }
.hero-ilus { position: absolute; right: -10px; top: 50%; transform: translateY(-50%); height: 150%; width: auto; pointer-events: none; }
.hero h1 { color: #fff; font-size: clamp(32px, 5.5vw, 56px); letter-spacing: -.02em; margin: 0 0 14px; }
.hero .sub { font-size: 18px; max-width: 640px; color: #D7E4F0; margin: 0 0 26px; }
.hero .sub2 { margin: 16px 0 0; color: #B9CDE0; font-size: 15px; }
.hero .sub2 a { color: #fff; }
.bigcari { display: flex; max-width: 640px; background: #fff; border-radius: 6px; padding: 5px; gap: 6px; }
.bigcari input { flex: 1; font: inherit; border: 0; padding: 10px 12px; min-width: 0; border-radius: 4px; }
.bigcari .btn { background: var(--accent); color: #1F1300; }
.bigcari .btn:hover { background: #F29E00; }
.blk { margin-top: 48px; }
.blkh { display: flex; align-items: baseline; justify-content: space-between; flex-wrap: wrap; gap: 4px 12px; margin-bottom: 16px; border-bottom: 2px solid var(--ink); padding-bottom: 8px; }
.blkh h2 { margin: 0; font-size: 24px; }
.blkh a { font-weight: 700; text-decoration: none; font-size: 15px; }
.kats { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 12px; }
.kat { display: flex; flex-direction: column; gap: 4px; padding: 16px; border: 1px solid var(--line); border-radius: var(--r); text-decoration: none; color: var(--ink); background: #fff;
       transition: border-color .15s, box-shadow .15s; }
.kat:hover { border-color: var(--navy); box-shadow: 0 4px 14px rgba(0, 52, 89, .10); }
.kat .ic { width: 44px; height: 44px; border-radius: 10px; background: var(--navy-3); color: var(--navy); display: grid; place-items: center; margin-bottom: 6px; }
.kat b { font-size: 15px; line-height: 1.3; }
.kat small { color: var(--muted); font-size: 13px; }
.kat.off { opacity: .55; }
.kat.off .ic { background: #F1F3F6; color: #94A3B8; }

/* ---------- kartu proyek ---------- */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(260px, 100%), 1fr)); gap: 22px 18px; }
.card { display: flex; flex-direction: column; text-decoration: none; color: var(--ink); min-width: 0; }
.card[hidden] { display: none; }
.kh { display: flex; align-items: center; gap: 10px; }
.kh .ic { width: 34px; height: 34px; border-radius: 8px; background: var(--navy-3); color: var(--navy); display: grid; place-items: center; flex: none; }
.baris { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 900px) { .baris { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.card .thumb { display: block; position: relative; aspect-ratio: 4 / 3; overflow: hidden; background: #FFFBF0; border: 1px solid var(--line); border-radius: var(--r); }
.card .thumb img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; padding: 12px; transition: transform .25s; }
.card:hover .thumb img { transform: scale(1.04); }
.card .body { display: flex; flex-direction: column; gap: 3px; padding: 10px 2px 0; }
.card b { font-size: 16px; line-height: 1.35; }
.card:hover b { color: var(--navy-2); text-decoration: underline; text-underline-offset: 3px; }
.card .by { font-size: 13px; color: var(--muted); }
.card .by em { font-style: normal; color: var(--navy-2); font-weight: 600; }
.card .meta { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 4px; }
.card .meta i { font-style: normal; font-size: 12px; background: var(--soft); padding: 2px 8px; border-radius: 4px; color: #374151; }

/* ---------- semua & kategori ---------- */
.pagehead { padding: 30px 0 6px; }
.pagehead h1 { margin: 0 0 4px; font-size: 32px; }
.kathead { display: flex; align-items: center; gap: 16px; padding-top: 8px; margin-bottom: 18px; }
.ic.big { width: 64px; height: 64px; border-radius: 14px; background: var(--navy-3); color: var(--navy); display: grid; place-items: center; flex: none; }
.filter { margin: 18px 0 8px; display: grid; grid-template-columns: minmax(0, 1fr) repeat(3, auto); gap: 10px; }
#cari { width: 100%; font: inherit; padding: 11px 16px; border: 1px solid #D1D5DB; border-radius: 4px; background: #fff; }
.filter select { font: 600 14px Inter, sans-serif; color: var(--ink); padding: 11px 38px 11px 14px; border: 1px solid #D1D5DB; border-radius: 4px; background: #fff
  url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%230F172A' stroke-width='1.8' fill='none' stroke-linecap='round'/%3E%3C/svg%3E") no-repeat right 14px center;
  appearance: none; -webkit-appearance: none; cursor: pointer; min-width: 0; }
.segera { margin-top: 56px; }
.segera h2 { font-size: 20px; }
.segera ul { columns: 3 240px; padding: 0; list-style: none; color: var(--muted); font-size: 14px; }
.segera li { break-inside: avoid; padding: 3px 0; }
.segera span { font-family: "JetBrains Mono", monospace; font-size: 12px; margin-right: 8px; color: #94A3B8; }
.crumb { font-size: 14px; color: var(--muted); margin: 22px 0 10px; }
.crumb a { color: var(--muted); }

/* ---------- halaman proyek (langkah demi langkah) ---------- */
.ptitle { font-size: clamp(28px, 4.2vw, 42px); letter-spacing: -.015em; margin: 4px 0 12px; }
.byline { display: flex; align-items: center; flex-wrap: wrap; gap: 10px 14px; margin: 0 0 22px; color: #374151; font-size: 15px; }
.ava { width: 36px; height: 36px; border-radius: 50%; background: var(--navy); color: #fff; display: grid; place-items: center; font: 700 13px Inter; flex: none; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chips span { font-size: 13px; font-weight: 600; background: var(--navy-3); color: var(--navy); padding: 3px 10px; border-radius: 4px; }
.hero-img { margin: 0 0 8px; background: #FFFBF0; border: 1px solid var(--line); border-radius: var(--r); padding: 22px; }
.hero-img svg { display: block; width: 100%; max-height: 560px; height: auto; }
.layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 40px; align-items: start; }
article { min-width: 0; }
.step { border-bottom: 1px solid var(--line); padding: 28px 0; }
.step h2 { font-size: 24px; margin: 0 0 14px; }
.step.intro { padding-top: 18px; }
.lead { font-size: 18px; color: #1F2937; }
.side { position: sticky; top: 130px; padding-top: 18px; }
.sidet { font-weight: 700; font-size: 13px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin: 0 0 8px; }
.toc { margin: 0 0 18px; padding-left: 0; list-style: none; border-left: 2px solid var(--line); }
.toc a { display: block; padding: 5px 0 5px 14px; margin-left: -2px; border-left: 2px solid transparent; color: #374151; text-decoration: none; font-size: 14px; }
.toc a:hover { border-left-color: var(--navy); color: var(--navy); }
.sidebox { border: 1px solid var(--line); border-radius: var(--r); padding: 16px; background: var(--soft); }
.sidebox p { margin: 0 0 12px; font-size: 15px; }
.sidebox .dl { margin: 12px 0 0; font-size: 13px; }

table { width: 100%; border-collapse: collapse; font-size: 15px; background: #fff; border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; }
th { text-align: left; font-size: 13px; color: var(--muted); font-weight: 600; background: var(--soft); padding: 10px 12px; border-bottom: 1px solid var(--line); }
td { padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
tr:last-child td { border-bottom: 0; }
td small { display: block; color: var(--muted); font-size: 13px; }
table.bom td.q { text-align: center; width: 44px; }
table.bom .h { text-align: right; white-space: nowrap; }
table.bom tr.ops td { color: var(--muted); }
table.bom tfoot td { font-weight: 700; background: var(--soft); }
.tblwrap { overflow-x: auto; margin-top: 12px; }
table.pins td.ar { color: var(--muted); width: 24px; }
table.pins .sw { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: 6px; border: 1px solid #0002; }
.order { margin-top: 14px; display: grid; gap: 8px; }
.order span { font-size: 13px; color: var(--muted); }
.dashwrap { margin-bottom: 14px; overflow: hidden; border-radius: var(--r); }
.dashwrap .kdash { border-radius: var(--r); margin: 0; }
ul.ide { padding-left: 20px; } ul.ide li { margin-bottom: 8px; }
ul.gagal { list-style: none; padding: 0; display: grid; gap: 12px; }
ul.gagal li { background: #FFF8EB; border: 1px solid #F5DDB0; border-radius: var(--r); padding: 12px 14px; }
ul.gagal b { display: block; }
.pn { display: flex; justify-content: space-between; gap: 12px; padding: 26px 0 0; font-weight: 600; }
.pn a { text-decoration: none; }
.pn .nx { text-align: right; }

/* ---------- kode ---------- */
.code { background: var(--code); border-radius: var(--r); overflow: hidden; margin: 14px 0; }
.codebar { display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 8px 12px; background: #16233A; color: #CBD5E1;
           font: 600 13px "JetBrains Mono", monospace; flex-wrap: wrap; }
.codebar .act { display: flex; gap: 8px; }
.codebar a, .codebar button { font: 600 13px Inter, sans-serif; color: #fff; background: #26385A; border: 0; border-radius: 4px; padding: 5px 12px; cursor: pointer; text-decoration: none; }
.codebar a:hover, .codebar button:hover { background: #33507F; }
.code pre { margin: 0; padding: 16px; overflow-x: auto; color: #E2E8F0; font: 400 13.5px/1.6 "JetBrains Mono", monospace; tab-size: 2; }
.code pre code { background: none; padding: 0; border-radius: 0; font: inherit; color: inherit; overflow-wrap: normal; }
.code .k { color: #FF7AB6; font-weight: 700; } .code .t { color: #67E8F9; } .code .s { color: #FCD34D; } .code .n { color: #A3E635; } .code .c { color: #8B98B8; }
details.umum { display: block; margin: 2px 0; }
details.umum summary { cursor: pointer; color: #93C5FD; list-style: none; padding: 2px 0; }
details.umum summary::before { content: "▸ "; } details.umum[open] summary::before { content: "▾ "; }
details.umum summary::-webkit-details-marker { display: none; }
.mk { display: inline-grid; place-items: center; width: 20px; height: 20px; margin-left: 8px; border-radius: 50%; background: var(--accent); color: #1E1240;
      font: 700 12px/1 "JetBrains Mono", monospace; vertical-align: 1px; user-select: none; -webkit-user-select: none; }
.mk::before { content: attr(data-n); }
ol.explain { list-style: none; padding: 0; display: grid; gap: 12px; }
ol.explain li { display: grid; grid-template-columns: 30px 1fr; align-items: start; }
ol.explain .mk { margin: 2px 0 0; }

/* ---------- panduan ---------- */
.doc { border-bottom: 1px solid var(--line); padding: 26px 0; max-width: 860px; }
.doc h1.bab { font-size: 30px; margin: 0 0 14px; }
.doc h2 { font-size: 20px; margin: 26px 0 10px; }
.doc .isian { border: 1px dashed #94A3B8; padding: 10px 14px; border-radius: 6px; font-family: "JetBrains Mono", monospace; }
.doc .note { border-radius: var(--r); padding: 12px 16px; margin: 14px 0; background: #FFF8EB; border: 1px solid #F5DDB0; }
.doc .note .tag { font-weight: 700; font-size: 12px; display: block; color: #8A5A00; margin-bottom: 4px; }
.doc .note.insight { background: var(--navy-3); border-color: #C9DCEE; } .doc .note.insight .tag { color: var(--navy); }
.doc .code { padding: 0; } .doc .code .bar { display: block; padding: 8px 12px; background: #16233A; color: #CBD5E1; font: 600 13px "JetBrains Mono", monospace; }
.doc .code pre { padding: 16px; }
.doc figure { margin: 12px 0; } .doc figure img, .doc figure svg { max-width: 100%; height: auto; border-radius: 8px; }
.doc figcaption { font-size: 14px; color: var(--muted); margin-top: 6px; }
.doc .pg2 { display: grid; grid-template-columns: 260px 1fr; gap: 22px; align-items: start; }
.doc .pg2.rata { grid-template-columns: 1fr 1fr; }
.doc .ctr { text-align: center; }

/* ---------- footer ---------- */
.foot { border-top: 1px solid var(--line); background: var(--soft); margin-top: 72px; padding: 28px 0; font-size: 14px; color: var(--muted); }
.foot p { margin: 4px 0; }

@media (max-width: 980px) {
  .layout { grid-template-columns: 1fr; gap: 0; }
  aside { order: -1; } .side { position: static; padding-top: 10px; } .toc, .sidet { display: none; }
}
@media (max-width: 860px) {
  .hero-grid > div { max-width: none; }
  .hero-ilus { right: -90px; height: 120%; opacity: .28; }
  .filter { grid-template-columns: 1fr 1fr 1fr; } .filter #cari { grid-column: 1 / -1; }
  .doc .pg2, .doc .pg2.rata { grid-template-columns: 1fr; }
  .brandsub { display: none; }
}
@media (max-width: 640px) {
  body { font-size: 15px; }
  .bar { flex-wrap: wrap; height: auto; padding-top: 10px; padding-bottom: 10px; row-gap: 10px; }
  .topcari { order: 3; flex-basis: 100%; max-width: none; }
  .bar .btn.sm { margin-left: auto; }
  .filter { grid-template-columns: 1fr 1fr; } .filter select[data-f="kat"] { grid-column: 1 / -1; }
  .hero { padding: 40px 0 36px; }
  .bigcari .btn { padding: 10px 14px; }
  .hero-img { padding: 10px; }
  .code pre { font-size: 12.5px; }
  .kats { grid-template-columns: 1fr 1fr; }
}
@media (prefers-reduced-motion: reduce) { .card .thumb img, .kat { transition: none; } html { scroll-behavior: auto; } }