/* cat.usaha-ku.com — stylesheet
   Palet mengikuti warna logo IGC: biru, merah, kuning.
   Semua aset lokal (tanpa CDN) supaya CSP bisa ketat. */

:root {
  --blue: #0b4fa8;
  --blue-dark: #072f66;
  --blue-soft: #e8f0fb;
  --red: #c81e26;
  --yellow: #ffc510;
  --ink: #101827;
  --ink-2: #4a5568;
  --line: #dfe5ee;
  --bg: #ffffff;
  --bg-alt: #f5f7fa;
  --radius: 4px;
  --maxw: 1200px;
  --shadow: 0 1px 3px rgba(16, 24, 39, .06), 0 8px 24px rgba(16, 24, 39, .06);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16.5px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
  -webkit-text-size-adjust: 100%;
  overflow-wrap: break-word;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { line-height: 1.18; letter-spacing: -.02em; margin: 0 0 .5em; }
h1 { font-size: clamp(1.75rem, 4.2vw, 2.9rem); }
h2 { font-size: clamp(1.4rem, 3vw, 2.1rem); }
h3 { font-size: 1.05rem; letter-spacing: -.01em; }
p { margin: 0 0 1em; }
ul { margin: 0 0 1em; padding-left: 1.15em; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }
section { padding: 72px 0; }
section.alt { background: var(--bg-alt); }

.eyebrow {
  font-size: .78rem; font-weight: 700; letter-spacing: .12em;
  text-transform: uppercase; color: var(--blue); margin-bottom: .6em;
}

/* ---------- tombol ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .5em;
  padding: 13px 26px; border-radius: var(--radius);
  font-weight: 600; font-size: .95rem; border: 2px solid transparent;
  cursor: pointer; transition: .18s ease; text-align: center;
  min-height: 46px; justify-content: center;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--yellow); color: #3a2a00; }
.btn-primary:hover { background: #e6b00f; }
.btn-ghost { background: transparent; color: #fff; border-color: rgba(255, 255, 255, .55); }
.btn-ghost:hover { background: rgba(255, 255, 255, .12); }
.btn-outline { border-color: var(--blue); color: var(--blue); background: #fff; }
.btn-outline:hover { background: var(--blue-soft); }
.btn-wa { background: #25d366; color: #04310f; }
.btn-wa:hover { background: #1eb958; }

/* ---------- utility bar + header ---------- */
.topbar {
  background: var(--blue-dark); color: #d8e4f5;
  font-size: .84rem; padding: 8px 0;
}
.topbar .wrap { display: flex; flex-wrap: wrap; gap: 6px 22px; align-items: center; }
.topbar a { color: #fff; }
.topbar .spacer { margin-left: auto; }
.topbar-links { display: inline-flex; gap: 22px; }

header.site {
  position: sticky; top: 0; z-index: 50;
  background: #fff; border-bottom: 1px solid var(--line);
}
header.site .wrap {
  display: flex; align-items: center; gap: 22px; min-height: 74px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand img { width: 168px; height: auto; }
.brand b { display: block; font-size: 1rem; letter-spacing: -.01em; }
.brand span { display: block; font-size: .74rem; color: var(--ink-2); }

nav.main { margin-left: auto; }
nav.main ul { display: flex; gap: 22px; list-style: none; margin: 0; padding: 0; }
nav.main a { color: var(--ink); font-size: .93rem; font-weight: 500; }
nav.main a:hover { color: var(--blue); }

.burger {
  margin-left: auto; display: none; background: none; border: 1px solid var(--line);
  border-radius: var(--radius); padding: 8px 11px; cursor: pointer; font-size: 1.1rem;
  min-width: 46px; min-height: 46px;
}

/* ---------- hero ---------- */
.hero { background: var(--blue-dark); color: #fff; padding: 0; }
.hero .wrap {
  display: grid; grid-template-columns: 1.05fr .95fr;
  gap: 48px; align-items: center; padding-top: 66px; padding-bottom: 66px;
}
.hero h1 { color: #fff; margin-bottom: .35em; }
.hero p.lead { color: #cbd9ee; font-size: 1.05rem; max-width: 46ch; }
.hero .cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.hero-img {
  position: relative; border-radius: var(--radius); overflow: hidden;
  box-shadow: 0 18px 40px rgba(0, 0, 0, .3);
}
.hero-img img { width: 100%; aspect-ratio: 1/1; object-fit: cover; }
.hero-img figcaption {
  position: absolute; left: 0; right: 0; bottom: 0;
  background: rgba(7, 47, 102, .88); color: #d8e4f5;
  font-size: .76rem; padding: 9px 13px;
}

/* ---------- strip angka ---------- */
.strip { background: var(--blue); color: #fff; padding: 26px 0; }
.strip .wrap { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.strip div b { display: block; font-size: 1.5rem; }
.strip div span { font-size: .84rem; color: #cfdffa; }

/* ---------- kartu produk ---------- */
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin: 22px 0 28px; }
.filters button {
  padding: 8px 17px; border: 1px solid var(--line); background: #fff;
  border-radius: 999px; cursor: pointer; font-size: .86rem; font-weight: 500; color: var(--ink-2);
}
.filters button[aria-pressed="true"] {
  background: var(--blue); border-color: var(--blue); color: #fff;
}

.grid-prod { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 20px; display: flex; flex-direction: column; transition: .18s ease;
}
.card:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.card.hide { display: none; }
.card .chip {
  align-self: flex-start; font-size: .7rem; font-weight: 700; letter-spacing: .06em;
  text-transform: uppercase; padding: 3px 9px; border-radius: 3px;
  background: var(--blue-soft); color: var(--blue); margin-bottom: 10px;
}
.card.chip-epoxy .chip { background: #fdeaea; color: var(--red); }
.card.chip-khusus .chip { background: #fff6d9; color: #8a6100; }
.card h3 { margin-bottom: .35em; }
.card p.desc { font-size: .88rem; color: var(--ink-2); margin-bottom: .6em; }
.card ul { font-size: .87rem; color: var(--ink-2); margin-bottom: 14px; }
.card ul li { margin-bottom: 2px; }
.card .more { margin-top: auto; font-size: .86rem; font-weight: 600; }

/* ---------- kalkulator ---------- */
.calc {
  display: grid; grid-template-columns: 1.1fr .9fr; gap: 26px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px;
}
.calc label { display: block; font-size: .88rem; font-weight: 600; margin-bottom: 4px; }
.calc .field { margin-bottom: 16px; }
.calc input, .calc select {
  width: 100%; padding: 11px 12px; border: 1px solid var(--line);
  border-radius: var(--radius); font: inherit; font-size: .95rem; background: #fff;
}
.calc input:focus, .calc select:focus { outline: 2px solid var(--blue); border-color: var(--blue); }
.calc .row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.calc .check { display: flex; align-items: center; gap: 9px; font-weight: 500; font-size: .9rem; }
.calc .check input { width: auto; }
.result {
  background: var(--blue-soft); border: 1px solid #c9dcf7; border-radius: var(--radius);
  padding: 20px; height: 100%;
}
.result dl { margin: 0 0 14px; }
.result dt { font-size: .8rem; color: var(--ink-2); }
.result dd { margin: 0 0 10px; font-size: 1.25rem; font-weight: 700; color: var(--blue-dark); }
#r-lapis { white-space: pre-line; }
.note { font-size: .78rem; color: var(--ink-2); line-height: 1.55; }

/* ---------- tabel panduan ---------- */
.tbl-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); }
table { border-collapse: collapse; width: 100%; min-width: 620px; font-size: .89rem; background: #fff; }
th, td { text-align: left; padding: 12px 15px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: var(--blue-dark); color: #fff; font-size: .82rem; letter-spacing: .03em; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:nth-child(even) { background: #fafbfd; }

/* ---------- lab / galeri ---------- */
.grid-lab { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.grid-lab figure, .grid-gal figure {
  margin: 0; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden;
}
.grid-lab img { aspect-ratio: 3/4; object-fit: cover; width: 100%; }
.grid-lab figcaption, .grid-gal figcaption {
  font-size: .82rem; padding: 10px 13px; color: var(--ink-2);
}
.grid-lab figcaption b, .grid-gal figcaption b { color: var(--ink); display: block; }
.grid-gal { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.grid-gal img { aspect-ratio: 4/3; object-fit: cover; width: 100%; }
.grid-duo { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.grid-duo figure { margin: 0; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.grid-duo img { aspect-ratio: 16/10; object-fit: cover; width: 100%; }
.grid-duo figcaption { font-size: .82rem; padding: 10px 13px; color: var(--ink-2); }
.grid-duo figcaption b { color: var(--ink); display: block; }

/* ---------- fitur ---------- */
.grid-feat { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.feat { border-left: 3px solid var(--yellow); padding-left: 16px; }
.feat h3 { margin-bottom: .3em; }
.feat p { font-size: .9rem; color: var(--ink-2); margin: 0; }

/* ---------- FAQ ---------- */
details.faq {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 15px 18px; margin-bottom: 10px;
}
details.faq summary { cursor: pointer; font-weight: 600; font-size: .97rem; }
details.faq summary::marker { color: var(--blue); }
details.faq p { margin: 10px 0 0; font-size: .92rem; color: var(--ink-2); }

/* ---------- kontak ---------- */
.contact { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
.pic { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.pic h3 { margin-bottom: .1em; }
.pic .role { font-size: .84rem; color: var(--ink-2); margin-bottom: 14px; }
form.quote { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
form.quote .row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
form.quote label { display: block; font-size: .84rem; font-weight: 600; margin-bottom: 4px; }
form.quote .field { margin-bottom: 13px; }
form.quote input, form.quote select, form.quote textarea {
  width: 100%; padding: 10px 12px; border: 1px solid var(--line);
  border-radius: var(--radius); font: inherit; font-size: .93rem;
}
form.quote textarea { min-height: 84px; resize: vertical; }
form.quote .consent { display: flex; gap: 9px; align-items: flex-start; font-size: .82rem; color: var(--ink-2); }
form.quote .consent input { width: auto; margin-top: 4px; }

/* ---------- footer ---------- */
footer.site { background: #0b1524; color: #9fb0c7; font-size: .89rem; padding: 46px 0 26px; }
footer.site .cols { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 30px; }
footer.site h4 { color: #fff; font-size: .95rem; margin: 0 0 .7em; }
footer.site a { color: #cbd9ee; }
footer.site ul { list-style: none; padding: 0; margin: 0; }
footer.site li { margin-bottom: 6px; }
footer .bottom {
  border-top: 1px solid #1d2c42; margin-top: 30px; padding-top: 18px;
  font-size: .8rem; display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap;
}

/* ---------- WA mengapung ---------- */
.wa-float {
  position: fixed; right: 18px; bottom: 18px; z-index: 60;
  background: #25d366; color: #04310f; border-radius: 999px;
  padding: 13px 20px; font-weight: 700; font-size: .9rem;
  box-shadow: 0 10px 24px rgba(0, 0, 0, .22);
  display: inline-flex; align-items: center; gap: .45em;
}
.wa-float svg { width: 19px; height: 19px; flex: none; }
.wa-float:hover { text-decoration: none; background: #1eb958; }

/* ---------- responsif ---------- */
@media (max-width: 980px) {
  .hero .wrap, .calc, .contact { grid-template-columns: 1fr; }
  .grid-prod, .grid-lab, .grid-gal, .grid-feat, .strip .wrap { grid-template-columns: repeat(2, 1fr); }
  footer.site .cols { grid-template-columns: 1fr 1fr; }
  nav.main a { display: inline-block; padding: 8px 0; }
}
@media (max-width: 660px) {
  section { padding: 46px 0; }
  .wrap { padding: 0 16px; }

  /* utility bar: kontak jadi tombol besar, tidak lagi baris kecil */
  .topbar { padding: 10px 0; font-size: .8rem; line-height: 1.4; }
  .topbar .wrap { flex-direction: column; align-items: stretch; gap: 10px; }
  .topbar .spacer { display: none; }
  .topbar-links { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
  .topbar-links a {
    display: inline-flex; align-items: center; justify-content: center;
    min-height: 44px; padding: 0 10px; text-align: center;
    background: rgba(255, 255, 255, .12); border: 1px solid rgba(255, 255, 255, .24);
    border-radius: var(--radius); font-weight: 600; font-size: .84rem;
  }

  /* header + menu */
  nav.main { display: none; }
  nav.main.open {
    display: block; position: absolute; left: 0; right: 0; top: 100%;
    background: #fff; border-bottom: 1px solid var(--line); padding: 8px 16px 16px;
    box-shadow: 0 14px 24px rgba(16, 24, 39, .12);
  }
  nav.main.open ul { flex-direction: column; gap: 0; }
  nav.main.open a { display: block; padding: 12px 0; min-height: 44px; font-size: 1rem; }
  .burger { display: block; }
  header.site .wrap { position: relative; gap: 12px; min-height: 66px; }
  .brand img { width: 148px; }

  /* hero */
  .hero .wrap { padding-top: 40px; padding-bottom: 46px; gap: 30px; }
  .hero p.lead { font-size: 1rem; }
  .hero .cta .btn { flex: 1 1 100%; }
  .hero-img img { aspect-ratio: 4/3; }

  /* strip angka: 2 kolom, bukan 4 baris tinggi */
  .strip { padding: 22px 0; }
  .strip .wrap { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .strip div b { font-size: 1.35rem; }

  /* katalog */
  .grid-prod, .grid-lab, .grid-gal, .grid-feat, .grid-duo, footer.site .cols { grid-template-columns: 1fr; }
  .card { padding: 18px; }
  .card .chip { font-size: .75rem; }
  .card .more { padding: 8px 0 2px; }
  .filters { margin: 18px 0 22px; }
  .filters button { min-height: 42px; padding: 10px 18px; font-size: .9rem; }

  /* kalkulator + kontak */
  .calc, form.quote, .pic { padding: 18px; }
  .result { padding: 16px; }
  .result dd { font-size: 1.08rem; }
  .calc .row, form.quote .row { grid-template-columns: 1fr; }
  /* 16px supaya iOS tidak auto-zoom saat fokus input */
  .calc input, .calc select, form.quote input, form.quote select, form.quote textarea { font-size: 16px; }
  .calc .check { gap: 10px; font-size: .9rem; }
  .calc .check input { width: 20px; height: 20px; flex: none; }
  .calc .check label { min-height: 32px; display: flex; align-items: center; }
  form.quote .consent label { min-height: 44px; display: flex; align-items: center; margin-bottom: 0; }
  form.quote .consent input { width: 20px; height: 20px; flex: none; margin-top: 0; }
  .note { font-size: .82rem; }
  .eyebrow { font-size: .8rem; }
  .grid-duo figcaption, .grid-lab figcaption, .grid-gal figcaption { font-size: .86rem; }

  /* tabel panduan -> kartu bertumpuk (kolom ke-3 tidak lagi tersembunyi) */
  .tbl-wrap { border: 0; border-radius: 0; overflow: visible; }
  table { min-width: 0; font-size: .92rem; background: transparent; }
  caption.tbl-cap { display: block; text-align: left; padding: 0 0 12px; }
  thead { display: none; }
  tbody tr {
    display: block; background: #fff; border: 1px solid var(--line);
    border-radius: var(--radius); padding: 14px; margin-bottom: 10px;
  }
  tbody tr:nth-child(even) { background: #fff; }
  tbody tr:last-child { margin-bottom: 0; }
  tbody td { display: block; border: 0; padding: 0; }
  tbody td + td { margin-top: 10px; }
  tbody td::before {
    content: attr(data-label); display: block;
    font-size: .7rem; font-weight: 700; letter-spacing: .07em;
    text-transform: uppercase; color: var(--blue); margin-bottom: 2px;
  }
  tbody td:first-child {
    font-weight: 700; font-size: 1rem; color: var(--ink);
    padding-bottom: 10px; border-bottom: 1px solid var(--line);
  }
  tbody td:first-child::before { display: none; }

  /* FAQ */
  details.faq { padding: 14px 16px; }
  details.faq summary { padding: 8px 0; }

  /* footer + ruang untuk tombol WA mengapung */
  footer.site { padding: 38px 0 20px; }
  footer.site .cols { gap: 22px; }
  footer .bottom { flex-direction: column; gap: 6px; padding-bottom: 58px; }

  /* WA mengapung jadi tombol bulat supaya tidak menutup tombol/CTA */
  .wa-float {
    width: 54px; height: 54px; padding: 0; border-radius: 50%;
    right: 14px; bottom: 14px; justify-content: center; gap: 0;
  }
  .wa-float svg { width: 26px; height: 26px; }
  .wa-float .wa-label { display: none; }
}
@media print {
  header.site, .wa-float, .filters, form.quote { display: none; }
}

/* aksesibilitas */
:focus-visible { outline: 3px solid var(--yellow); outline-offset: 2px; }
.skip {
  position: absolute; left: -9999px; top: 0; background: var(--yellow);
  color: #000; padding: 10px 16px; z-index: 100;
}
.skip:focus { left: 8px; top: 8px; }

/* utilitas (pengganti inline style, supaya CSP bisa ketat) */
.eyebrow-light { color: var(--yellow); }
.tbl-cap { text-align: left; padding: 10px 15px; caption-side: bottom; }
.mt-lg { margin-top: 28px; }
.mt-md { margin-top: 16px; }
.contact-info { margin-top: 20px; }
.tight { margin-bottom: .4em; }