/* ledsinternational.com: one stylesheet for every page (sites/ledsinternational/build.py). Palette and fonts from the
   approved mockup (research/seo/ledsinternational/mockup): ink #0E1116, amber #F2A900, blue #0B4F8A; Archivo, IBM Plex. */
@font-face { font-family: "Archivo"; src: url(/fonts/archivo.woff2) format("woff2"); font-weight: 600 900; font-display: swap; }
@font-face { font-family: "IBM Plex Sans"; src: url(/fonts/plex-sans.woff2) format("woff2"); font-weight: 100 700; font-display: swap; }
@font-face { font-family: "IBM Plex Mono"; src: url(/fonts/plex-mono.woff2) format("woff2"); font-weight: 500; font-display: swap; }

:root { --ink: #0E1116; --amber: #F2A900; --blue: #0B4F8A; --blue-d: #083A66; --muted: #4A5361; --line: #DDE2E8; --soft: #F4F6F8; --hero: #C9D1DC; --dim: #A3AEBC; }
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: #FFFFFF; color: var(--ink); font: 400 17px/1.55 "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif; padding-bottom: 76px; }
a { color: var(--blue); }
a:hover { color: var(--blue-d); }
img { max-width: 100%; height: auto; display: block; }
h1, h2, h3 { font-family: "Archivo", system-ui, sans-serif; line-height: 1.12; margin: 0 0 .5em; }
h1 { font-weight: 800; font-size: clamp(32px, 1.3rem + 2.4vw, 54px); }
h2 { font-weight: 800; font-size: clamp(26px, 1.1rem + 1.2vw, 36px); margin-top: 1.4em; }
h3 { font-weight: 700; font-size: 20px; }
p { margin: 0 0 1em; }
.wrap { max-width: 1240px; margin: 0 auto; padding: 0 16px; }
.skip { position: absolute; left: 8px; top: -60px; background: #FFFFFF; color: var(--ink); padding: 10px 14px; z-index: 20; }
.skip:focus { top: 8px; }
:focus-visible { outline: 3px solid var(--amber); outline-offset: 2px; }

/* Header: black, one row at every width (logo leads home; no Home link, law 17). */
.site-head { background: #000000; border-bottom: 1px solid #23272E; }
.site-head .wrap { display: flex; align-items: center; gap: 12px; min-height: 64px; }
.brand { display: flex; flex: 0 0 auto; padding: 8px 0; }
.brand img { height: 38px; width: auto; }
.nav { display: flex; align-items: center; gap: 2px 14px; margin-inline-start: auto; }
.nav a { color: #FFFFFF; text-decoration: none; font-weight: 500; font-size: 16px; line-height: 20px; padding: 12px 2px; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--amber); }
.nav .opt, .nav .btn { display: none; }
.nav a.btn { color: #000000; padding: 12px 18px; }
.nav a.btn:hover { color: #000000; }

.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 12px 22px; border-radius: 6px; border: 0;
  background: var(--amber); color: #000000; font: 700 17px/1.2 "IBM Plex Sans", system-ui, sans-serif; text-decoration: none; cursor: pointer; }
.btn:hover { background: #FFBE1A; color: #000000; }
.btn.line { background: transparent; color: #FFFFFF; border: 2px solid #FFFFFF; }
.btn.line:hover { background: #FFFFFF; color: #000000; }

/* Dark hero */
.hero { background: var(--ink); color: #FFFFFF; }
.hero .wrap { display: grid; gap: 36px; padding-top: 48px; padding-bottom: 52px; }
.eyebrow { font: 500 14px/1.4 "IBM Plex Mono", ui-monospace, monospace; letter-spacing: .08em; text-transform: uppercase; color: var(--amber); margin: 0 0 14px; }
.lead { font-size: 19px; color: var(--hero); max-width: 660px; }
.ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 8px; }
.facts { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: #2A3039; border: 1px solid #2A3039; border-radius: 8px; overflow: hidden; margin: 0; }
.facts div { background: #151A21; padding: 16px; }
.facts dt { font: 500 13px/1.3 "IBM Plex Mono", ui-monospace, monospace; letter-spacing: .06em; text-transform: uppercase; color: var(--dim); }
.facts dd { margin: 6px 0 0; font-weight: 600; color: #FFFFFF; }

/* Sections and cards */
.sec { padding: 48px 0; }
.sec.alt { background: var(--soft); }
.sec > .wrap > h2:first-child, .sec-head h2 { margin-top: 0; }
.sec-head { max-width: 760px; margin-bottom: 24px; }
.sec-head p, .muted { color: var(--muted); }
.cards { display: grid; gap: 16px; grid-template-columns: 1fr; }
.card { display: flex; flex-direction: column; gap: 6px; padding: 18px; border: 1px solid var(--line); border-radius: 8px; background: #FFFFFF; color: var(--ink); text-decoration: none; }
.card:hover { border-color: var(--blue); color: var(--ink); }
.ph { aspect-ratio: 4 / 3; background: #000000; border-radius: 6px; overflow: hidden; display: flex; align-items: center; justify-content: center; margin-bottom: 8px; }
.ph.light { background: #FFFFFF; border: 1px solid var(--line); }
.ph.icon { background: var(--soft); }
.ph img { width: 100%; height: 100%; object-fit: contain; }
.ph svg { width: 72px; height: 72px; }
.card strong { font: 700 20px/1.2 "Archivo", system-ui, sans-serif; }
.spec { font: 500 15px/1.45 "IBM Plex Mono", ui-monospace, monospace; color: var(--muted); }
.card .more { color: var(--blue); font-weight: 600; margin-top: auto; padding-top: 6px; }

.steps { list-style: none; padding: 0; margin: 0; display: grid; gap: 20px; }
.steps li { border-top: 3px solid var(--amber); padding-top: 12px; }
.steps .n { font: 500 14px "IBM Plex Mono", ui-monospace, monospace; color: var(--muted); }
.steps strong { display: block; font: 700 19px/1.25 "Archivo", system-ui, sans-serif; margin: 4px 0; }

.uses { display: flex; flex-wrap: wrap; gap: 10px; list-style: none; padding: 0; margin: 0; }
.uses a { display: inline-flex; align-items: center; min-height: 48px; padding: 10px 16px; border: 1px solid var(--line); border-radius: 999px; background: #FFFFFF; text-decoration: none; font-weight: 600; }
.uses a:hover { border-color: var(--blue); }

/* Quote form */
.quote { display: grid; gap: 28px; }
form.q { display: grid; gap: 14px; background: #FFFFFF; border: 1px solid var(--line); border-radius: 8px; padding: 20px; position: relative; }
form.q label { display: grid; gap: 6px; font-weight: 600; font-size: 16px; }
form.q input, form.q textarea { font: 400 17px/1.4 "IBM Plex Sans", system-ui, sans-serif; color: var(--ink); background: #FFFFFF; padding: 12px; min-height: 48px; width: 100%; border: 1.5px solid #7D8796; border-radius: 6px; }
form.q textarea { min-height: 130px; resize: vertical; }
form.q .btn { width: 100%; }
form.q .note { color: var(--muted); font-size: 16px; margin: 0; }
.hp { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.box-title { font: 700 22px/1.2 "Archivo", system-ui, sans-serif; margin: 0; }

/* Hub pages */
.crumbs { font-size: 16px; color: var(--muted); padding-top: 6px; padding-bottom: 6px; }
.crumbs a { display: inline-block; padding: 10px 0; min-width: 44px; }
.hub { display: grid; gap: 36px; padding-bottom: 56px; }
.hub-top { display: grid; gap: 20px; }
.hub-top figure { margin: 0; }
.hub-top figure .ph { margin: 0; }
.hub-top figcaption { font-size: 15px; color: var(--muted); margin-top: 6px; }
.answer { border-inline-start: 4px solid var(--amber); background: var(--soft); padding: 16px 18px; border-radius: 0 8px 8px 0; margin: 8px 0 8px; }
.answer strong { display: block; font-family: "Archivo", system-ui, sans-serif; margin-bottom: 4px; }
.answer p:last-child { margin: 0; }
table.specs { width: 100%; border-collapse: collapse; font-size: 16px; }
table.specs th, table.specs td { text-align: start; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.specs th { width: 38%; font-weight: 600; background: var(--soft); }
.prose { max-width: 72ch; }
.prose li { margin-bottom: .4em; }
details { border-bottom: 1px solid var(--line); }
summary { cursor: pointer; font-weight: 600; padding: 12px 0; min-height: 48px; }
details p { margin: 0 0 14px; }
.related { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 8px 20px; }
.related a { display: inline-block; padding: 10px 0; min-width: 44px; font-weight: 600; }
.disclosure { font-size: 15px; color: var(--muted); border-top: 1px solid var(--line); padding-top: 14px; margin-top: 32px; }
.page { padding-bottom: 56px; }

/* Calculator */
.calc { display: grid; gap: 14px; background: var(--soft); border-radius: 8px; padding: 20px; }
.calc .row { display: grid; gap: 14px; grid-template-columns: 1fr 1fr; }
.calc label { display: grid; gap: 6px; font-weight: 600; font-size: 16px; }
.calc input { font: 400 17px "IBM Plex Sans", system-ui, sans-serif; padding: 12px; min-height: 48px; width: 100%; border: 1.5px solid #7D8796; border-radius: 6px; background: #FFFFFF; color: var(--ink); }
.calc output { display: block; font: 700 22px/1.3 "Archivo", system-ui, sans-serif; }

/* Footer */
.site-foot { background: #000000; color: var(--hero); padding: 40px 0 28px; font-size: 16px; }
.site-foot a { color: #FFFFFF; }
.foot-grid { display: grid; gap: 24px; }
.foot-grid img { height: 38px; width: auto; margin-bottom: 12px; }
.site-foot h2 { font: 500 14px/1.3 "IBM Plex Mono", ui-monospace, monospace; text-transform: uppercase; letter-spacing: .06em; color: var(--dim); margin: 0 0 6px; }
.site-foot ul { list-style: none; padding: 0; margin: 0; }
.site-foot li a, .site-foot p a { display: inline-block; padding: 10px 0; min-width: 44px; min-height: 44px; }
.legal { border-top: 1px solid #23272E; margin-top: 24px; padding-top: 18px; font-size: 15px; }
.legal p { margin: 0 0 6px; }

/* Phones: the quote button fixed at the bottom (law 17). */
.bar { position: fixed; left: 0; right: 0; bottom: 0; z-index: 5; display: flex; padding: 10px 16px calc(10px + env(safe-area-inset-bottom)); background: #000000; border-top: 1px solid #23272E; }
.bar .btn { flex: 1; }

@media (min-width: 600px) {
  .cards { grid-template-columns: 1fr 1fr; }
  .calc .row { grid-template-columns: repeat(4, 1fr); }
}
@media (min-width: 768px) {
  body { padding-bottom: 0; }
  .bar { display: none; }
  .wrap { padding: 0 32px; }
  .brand img { height: 42px; }
  .nav { gap: 2px 22px; }
  .nav .btn { display: inline-flex; }
  .steps { grid-template-columns: 1fr 1fr; }
  .hub-top { grid-template-columns: minmax(0, 1fr) 260px; align-items: start; }
  .foot-grid { grid-template-columns: 2fr 1fr 1fr; }
  .sec { padding: 64px 0; }
}
@media (min-width: 1024px) {
  .nav .opt { display: inline; }
  .hero .wrap { grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); align-items: center; padding-top: 80px; padding-bottom: 80px; }
  .cards { grid-template-columns: repeat(3, 1fr); }
  .steps { grid-template-columns: repeat(5, 1fr); }
  .quote { grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); align-items: start; }
  .hub { grid-template-columns: minmax(0, 1fr) 360px; align-items: start; }
}
@media (min-width: 1400px) {
  .cards { grid-template-columns: repeat(4, 1fr); }
}
@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; } }