/* aicamerasystems.au — the guides site. Light, editorial, information-dense:
   deliberately a different world from the dark product site. */
:root {
  --paper: #fbfaf8; --paper2: #ffffff; --tint: #f2f4f9; --tint2: #eaeefb;
  --ink: #14161c; --body-c: #3b4252; --muted: #6b7384; --line: #e4e3df; --line2: #d4d7e2;
  --accent: #1a52d8; --accent-d: #123fab; --accent-soft: #e8eeff;
  --mark: #ffd666; --ok: #0f8a5f; --warn: #b4530a;
  --radius: 14px; --radius-s: 8px; --wrap: 1180px; --gutter: clamp(18px, 4vw, 40px);
  --serif: "Source Serif 4", Georgia, "Times New Roman", serif;
  --sans: "Inter", system-ui, -apple-system, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, monospace;
  --shadow: 0 1px 2px rgba(20,22,28,.05), 0 10px 26px -14px rgba(20,22,28,.22);
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--body-c); font: 400 17px/1.7 var(--sans); -webkit-font-smoothing: antialiased; }
img, svg { max-width: 100%; display: block; }
a { color: var(--accent); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 2.5px; text-decoration-color: rgba(26,82,216,.3); }
a:hover { color: var(--accent-d); text-decoration-color: currentColor; }
h1, h2, h3, h4 { font-family: var(--serif); font-weight: 600; color: var(--ink); line-height: 1.18; letter-spacing: -.012em; margin: 0 0 .5em; }
h1 { font-size: clamp(32px, 4.4vw, 50px); }
h2 { font-size: clamp(25px, 2.8vw, 34px); }
h3 { font-size: 20px; }
p { margin: 0 0 1.15em; }
strong { color: var(--ink); font-weight: 600; }
.wrap { width: min(var(--wrap), 100% - 2 * var(--gutter)); margin-inline: auto; }
.wrap--narrow { width: min(760px, 100% - 2 * var(--gutter)); margin-inline: auto; }
.section { padding: clamp(44px, 6vw, 76px) 0; }
.section--tint { background: var(--tint); border-block: 1px solid var(--line); }
.section--tight { padding: clamp(30px, 4vw, 48px) 0; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.ico { width: 1em; height: 1em; flex: none; display: inline-block; vertical-align: middle; }
.muted { color: var(--muted); }
.lead { font-size: clamp(18px, 1.6vw, 20.5px); line-height: 1.6; color: var(--body-c); }
.kicker { display: inline-flex; align-items: center; gap: 8px; font: 600 12px/1 var(--sans); letter-spacing: .14em; text-transform: uppercase; color: var(--accent); margin-bottom: 14px; }
.kicker::before { content: ""; width: 18px; height: 2px; background: currentColor; }

/* header */
.hdr { background: var(--paper2); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 60; }
.hdr .wrap { display: flex; align-items: center; gap: 26px; min-height: 68px; }
.brand { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; flex: none; }
.brand img { width: 32px; height: 32px; }
.brand b { font: 600 17px/1.1 var(--serif); color: var(--ink); letter-spacing: -.01em; }
.brand span { display: block; font: 500 10.5px/1 var(--sans); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); margin-top: 3px; }
.nav { display: flex; gap: 2px; margin-left: auto; align-items: center; }
.nav a { padding: 9px 13px; border-radius: 8px; color: var(--ink); font: 500 15px/1 var(--sans); text-decoration: none; }
.nav a:hover, .nav a.is-active { background: var(--tint); color: var(--accent-d); }
.hdr .btn { margin-left: 10px; }
.burger { display: none; width: 42px; height: 42px; margin-left: auto; border: 1px solid var(--line2); border-radius: 9px; background: #fff; align-items: center; justify-content: center; cursor: pointer; }
.burger span, .burger span::before, .burger span::after { display: block; width: 17px; height: 2px; background: var(--ink); border-radius: 2px; position: relative; }
.burger span::before, .burger span::after { content: ""; position: absolute; left: 0; }
.burger span::before { top: -6px; } .burger span::after { top: 6px; }
@media (max-width: 900px) {
  .burger { display: inline-flex; }
  .nav { position: fixed; inset: 68px 0 auto; flex-direction: column; align-items: stretch; background: #fff; border-bottom: 1px solid var(--line); padding: 10px var(--gutter) 22px; gap: 0; display: none; box-shadow: var(--shadow); }
  .nav.is-open { display: flex; }
  .nav a { padding: 14px 4px; border-bottom: 1px solid var(--line); border-radius: 0; font-size: 16.5px; }
  .hdr .btn { margin: 14px 0 0; }
}

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 9px; padding: 12px 20px; border-radius: 999px; font: 600 15px/1 var(--sans); text-decoration: none; border: 1px solid transparent; cursor: pointer; transition: .18s; white-space: nowrap; }
.btn .ico { width: 16px; height: 16px; }
.btn--primary { background: var(--accent); color: #fff; }
.btn--primary:hover { background: var(--accent-d); color: #fff; }
.btn--outline { border-color: var(--line2); background: #fff; color: var(--ink); }
.btn--outline:hover { border-color: var(--accent); color: var(--accent-d); }
.btn--lg { padding: 15px 26px; font-size: 16px; }
.btn--sm { padding: 8px 14px; font-size: 13.5px; }
.btn--block { width: 100%; }
.btns { display: flex; flex-wrap: wrap; gap: 12px; }

/* hero */
.hero { background: linear-gradient(180deg, #fff, var(--paper)); border-bottom: 1px solid var(--line); padding: clamp(44px, 6vw, 80px) 0; }
.hero .wrap { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: clamp(28px, 5vw, 64px); align-items: center; }
.hero h1 { margin-bottom: 18px; }
.hero__search { margin-top: 26px; display: flex; gap: 10px; flex-wrap: wrap; }
.hero__card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); }
.hero__card h2 { font-size: 19px; margin-bottom: 14px; }
.hero__card ol { margin: 0; padding-left: 1.2em; display: grid; gap: 9px; font-size: 15.5px; }
@media (max-width: 900px) { .hero .wrap { grid-template-columns: minmax(0, 1fr); } }

/* grids and cards */
.grid { display: grid; gap: 20px; }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 980px) { .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 820px) { .grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 620px) { .grid--2, .grid--3, .grid--4 { grid-template-columns: minmax(0, 1fr); } }

.card { display: flex; flex-direction: column; gap: 9px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; text-decoration: none; color: var(--body-c); height: 100%; transition: .2s; }
a.card:hover { border-color: var(--line2); box-shadow: var(--shadow); transform: translateY(-2px); color: var(--body-c); }
.card h3 { margin: 0; font-size: 19.5px; }
.card p { margin: 0; font-size: 15.3px; }
.card .ic { width: 40px; height: 40px; padding: 9px; border-radius: 10px; background: var(--accent-soft); color: var(--accent); margin-bottom: 4px; }
.card__meta { font: 600 11.5px/1 var(--sans); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.card__more { margin-top: auto; padding-top: 10px; font-weight: 600; font-size: 14.5px; color: var(--accent); }

/* guide list rows */
.rows { display: grid; gap: 2px; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--line); }
.row { display: grid; grid-template-columns: 46px minmax(0, 1fr) auto; gap: 18px; align-items: center; padding: 20px 22px; background: #fff; text-decoration: none; color: var(--body-c); transition: .18s; }
.row:hover { background: var(--tint); color: var(--body-c); }
.row .ic { width: 42px; height: 42px; padding: 10px; border-radius: 11px; background: var(--accent-soft); color: var(--accent); }
.row h3 { margin: 0 0 4px; font-size: 18.5px; }
.row p { margin: 0; font-size: 14.8px; color: var(--muted); }
.row__meta { font: 500 13px/1 var(--sans); color: var(--muted); white-space: nowrap; }
@media (max-width: 620px) { .row { grid-template-columns: 1fr; gap: 10px; } .row__meta { display: none; } }

/* filters */
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 26px; }
.chip { padding: 9px 15px; border-radius: 999px; border: 1px solid var(--line2); background: #fff; color: var(--ink); font: 500 14px/1 var(--sans); cursor: pointer; text-decoration: none; }
.chip:hover { border-color: var(--accent); color: var(--accent-d); }
.chip.is-active { background: var(--ink); border-color: var(--ink); color: #fff; }

/* article */
.doc { display: grid; grid-template-columns: minmax(0, 1fr) 290px; gap: clamp(30px, 5vw, 60px); align-items: start; }
.aside { position: sticky; top: 92px; display: grid; gap: 18px; }
.box { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.box h3 { font-size: 16px; margin-bottom: 12px; font-family: var(--sans); font-weight: 700; letter-spacing: -.01em; }
.box--cta { background: var(--ink); border-color: var(--ink); color: #cfd4e0; }
.box--cta h3 { color: #fff; }
.box--cta p { font-size: 14.5px; color: #b9c0d0; }
.toc { list-style: none; padding: 0; margin: 0; display: grid; gap: 1px; }
.toc a { display: block; padding: 7px 10px; border-left: 2px solid var(--line); color: var(--muted); font-size: 14.5px; line-height: 1.45; text-decoration: none; }
.toc a:hover { border-left-color: var(--accent); color: var(--ink); background: var(--tint); }
@media (max-width: 980px) { .doc { grid-template-columns: minmax(0, 1fr); } .aside { position: static; } }

.prose { font-size: 18px; line-height: 1.78; }
.prose > * { max-width: 70ch; }
.prose h2 { margin: 1.8em 0 .55em; scroll-margin-top: 96px; }
.prose h3 { margin: 1.6em 0 .45em; font-family: var(--sans); font-weight: 700; font-size: 19px; letter-spacing: -.015em; }
.prose > h2:first-child { margin-top: 0; }
.prose ul, .prose ol { padding-left: 1.35em; margin: 0 0 1.25em; }
.prose li { margin-bottom: .5em; }
.prose li::marker { color: var(--accent); }
.prose blockquote { margin: 1.6em 0; padding: 16px 22px; border-left: 3px solid var(--accent); background: var(--accent-soft); border-radius: 0 var(--radius-s) var(--radius-s) 0; }
.prose blockquote p:last-child { margin: 0; }
.prose code { font: 500 .88em var(--mono); background: var(--tint2); padding: 2px 6px; border-radius: 5px; color: var(--ink); }
.prose img { border-radius: var(--radius); border: 1px solid var(--line); }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; margin: 0 0 1.5em; max-width: none !important; }
table { width: 100%; border-collapse: collapse; font-size: 15.5px; }
th, td { padding: 13px 16px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
thead th { background: var(--tint); font: 600 12.5px/1.3 var(--sans); letter-spacing: .07em; text-transform: uppercase; color: var(--ink); white-space: nowrap; }
tbody tr:last-child td { border-bottom: 0; }

/* page header */
.phead { background: #fff; border-bottom: 1px solid var(--line); padding: clamp(32px, 4.5vw, 56px) 0; }
.crumbs { display: flex; flex-wrap: wrap; gap: 7px; font-size: 13.5px; color: var(--muted); margin-bottom: 16px; }
.crumbs a { color: var(--muted); text-decoration: none; } .crumbs a:hover { color: var(--accent); }
.phead .lead { max-width: 70ch; margin-bottom: 0; }
.meta { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-top: 18px; font-size: 14px; color: var(--muted); }
.meta span { display: inline-flex; gap: 7px; align-items: center; }
.meta .ico { width: 15px; height: 15px; color: var(--accent); }

/* calculators */
.calc { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 0; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: #fff; }
.calc__form { padding: clamp(22px, 3vw, 32px); display: grid; gap: 16px; align-content: start; border-right: 1px solid var(--line); }
.calc__out { padding: clamp(22px, 3vw, 32px); background: var(--ink); color: #c9cfdd; }
.calc__out h3 { color: #fff; font-family: var(--sans); font-size: 16px; font-weight: 700; }
.field label { display: block; font: 600 14px/1 var(--sans); color: var(--ink); margin-bottom: 7px; }
.field input, .field select { width: 100%; padding: 12px 14px; border: 1px solid var(--line2); border-radius: 10px; background: #fff; font: 400 16px var(--sans); color: var(--ink); }
.field input:focus, .field select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(26,82,216,.14); }
.field small { display: block; color: var(--muted); font-size: 13px; margin-top: 6px; }
.row3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.big { font: 600 clamp(38px, 5.4vw, 56px)/1 var(--serif); color: #fff; letter-spacing: -.02em; }
.big small { font-size: .36em; color: #8fb0ff; margin-left: 8px; font-family: var(--sans); font-weight: 600; }
.outrows { display: grid; gap: 1px; background: rgba(255,255,255,.12); border-radius: 10px; overflow: hidden; margin: 20px 0; }
.outrows div { display: flex; justify-content: space-between; gap: 14px; padding: 11px 14px; background: #1b1e26; font-size: 14.5px; }
.outrows b { color: #fff; }
.calcnote { font-size: 13px; color: #9aa2b4; }
@media (max-width: 820px) { .calc { grid-template-columns: minmax(0, 1fr); } .calc__form { border-right: 0; border-bottom: 1px solid var(--line); } }

/* glossary */
.gloss { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.gloss details { background: #fff; }
.gloss summary { cursor: pointer; list-style: none; padding: 16px 20px; display: flex; gap: 14px; align-items: baseline; }
.gloss summary::-webkit-details-marker { display: none; }
.gloss summary b { font: 600 16.5px/1.4 var(--sans); color: var(--ink); min-width: 190px; }
.gloss summary span { color: var(--muted); font-size: 15px; }
.gloss details[open] summary { background: var(--tint); }
.gloss p { margin: 0; padding: 0 20px 18px; font-size: 15.5px; }
@media (max-width: 620px) { .gloss summary { flex-direction: column; gap: 4px; } .gloss summary b { min-width: 0; } }

/* faq */
.faq { display: grid; gap: 10px; }
.faq details { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-s); }
.faq details[open] { border-color: var(--line2); }
.faq summary { cursor: pointer; list-style: none; padding: 17px 48px 17px 20px; font: 600 17px/1.45 var(--sans); color: var(--ink); position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 18px; top: 50%; transform: translateY(-50%); font: 400 22px/1 var(--sans); color: var(--accent); }
.faq details[open] summary::after { content: "–"; }
.faq__a { padding: 0 20px 18px; font-size: 16px; }
.faq__a p:last-child { margin: 0; }

/* callout + notice */
.notice { display: flex; gap: 13px; align-items: flex-start; padding: 17px 20px; border-radius: var(--radius-s); background: #fffaf0; border: 1px solid #f0dfbf; color: #5c4a28; font-size: 15.5px; }
.notice .ico { width: 19px; height: 19px; color: var(--warn); margin-top: 3px; }
.notice--info { background: var(--accent-soft); border-color: #cddbff; color: #243a6b; }
.notice--info .ico { color: var(--accent); }

/* pills */
.pills { display: flex; flex-wrap: wrap; gap: 9px; }
.pill { display: inline-flex; align-items: center; gap: 7px; padding: 9px 14px; border-radius: 999px; border: 1px solid var(--line2); background: #fff; color: var(--ink); font-size: 14.5px; text-decoration: none; }
.pill:hover { border-color: var(--accent); color: var(--accent-d); }
.pill .ico { width: 15px; height: 15px; color: var(--accent); }

/* CTA strip */
.strip { background: var(--ink); color: #c9cfdd; }
.strip .wrap { display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap; padding: clamp(36px, 5vw, 60px) 0; }
.strip h2 { color: #fff; margin-bottom: 8px; }
.strip p { margin: 0; max-width: 560px; font-size: 16.5px; }
.strip .btn--outline { background: transparent; border-color: rgba(255,255,255,.3); color: #fff; }
.strip .btn--outline:hover { border-color: #fff; color: #fff; }

/* footer */
.ftr { background: #fff; border-top: 1px solid var(--line); padding-top: clamp(40px, 5vw, 60px); font-size: 15px; }
.ftr__grid { display: grid; grid-template-columns: 1.7fr 1fr 1fr 1fr; gap: 36px; padding-bottom: 36px; }
.ftr h4 { font: 700 12.5px/1 var(--sans); letter-spacing: .13em; text-transform: uppercase; color: var(--ink); margin: 4px 0 16px; }
.ftr ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.ftr a { color: var(--body-c); text-decoration: none; }
.ftr a:hover { color: var(--accent); }
.ftr__bottom { border-top: 1px solid var(--line); padding: 20px 0 26px; display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap; font-size: 13.2px; color: var(--muted); }
@media (max-width: 860px) { .ftr__grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 540px) { .ftr__grid { grid-template-columns: 1fr; gap: 26px; } }

.mt-l { margin-top: clamp(26px, 3.5vw, 40px); }
.center { text-align: center; }
.e404 { text-align: center; padding: clamp(60px, 10vw, 120px) 0; }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { transition-duration: .001ms !important; } html { scroll-behavior: auto; } }