/* Blue Horizon Electronics website. Palette: branding/brand_data.py */
:root {
  --navy: #0B2545;
  --navy-2: #13315C;
  --navy-3: #1B3F73;
  --sky: #2E86C8;
  --sky-soft: #8CC4EC;
  --white: #FFFFFF;
  --slate: #5A6573;
  --mist: #F3F6FA;
  --rule: #DCE3EC;
  --ink: #0B2545;
  --radius: 12px;
  --shadow: 0 1px 2px rgba(11, 37, 69, .06), 0 8px 24px rgba(11, 37, 69, .08);
  --wrap: 1160px;
  --head: "Montserrat", "Helvetica Neue", Arial, sans-serif;
  --body: "Inter", "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  margin: 0; background: var(--white); color: var(--ink);
  font: 400 17px/1.65 var(--body);
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { color: var(--sky); }
h1, h2, h3 { font-family: var(--head); line-height: 1.15; margin: 0 0 .5em; letter-spacing: -.01em; }
h1 { font-size: clamp(2.3rem, 4.6vw, 3.7rem); font-weight: 700; }
h2 { font-size: clamp(1.75rem, 3vw, 2.4rem); font-weight: 700; }
h3 { font-size: 1.12rem; font-weight: 600; }
p { margin: 0 0 1em; }
.wrap { width: min(var(--wrap), 100% - 40px); margin-inline: auto; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--white); color: var(--navy);
        padding: 8px 14px; border-radius: 8px; z-index: 100; }
.skip:focus { left: 12px; }
:focus-visible { outline: 3px solid var(--sky); outline-offset: 3px; border-radius: 4px; }
.sky { color: var(--sky-soft); }

/* buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5em;
  font: 600 .95rem/1 var(--head); text-decoration: none; letter-spacing: .01em;
  padding: .85em 1.3em; border-radius: 999px; border: 2px solid transparent; cursor: pointer;
  transition: transform .15s ease, background .15s ease, box-shadow .15s ease, color .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-lg { font-size: 1.02rem; padding: 1em 1.6em; }
.btn-sky { background: var(--sky); color: var(--white); box-shadow: 0 6px 18px rgba(46, 134, 200, .35); }
.btn-sky:hover { background: #2577B3; }
.btn-ghost { color: var(--white); border-color: rgba(255, 255, 255, .45); }
.btn-ghost:hover { border-color: var(--white); background: rgba(255, 255, 255, .06); }
.btn-navy { background: var(--navy); color: var(--white); }
.btn-navy:hover { background: var(--navy-3); }

/* header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11, 37, 69, .92); backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}
.header-row { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand img { width: 200px; height: auto; }
.site-nav { display: flex; align-items: center; gap: 28px; }
.site-nav a:not(.btn) { color: rgba(255, 255, 255, .82); text-decoration: none; font: 500 .95rem var(--head); }
.site-nav a:not(.btn):hover { color: var(--white); }
.site-nav .btn { padding: .7em 1.15em; }
.nav-toggle { display: none; background: none; border: 0; padding: 10px; cursor: pointer; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--white); margin: 5px 0;
                   transition: transform .2s ease, opacity .2s ease; }

/* hero */
.hero {
  position: relative; overflow: hidden; color: var(--white);
  background: radial-gradient(1200px 500px at 70% -10%, var(--navy-3), transparent 60%),
              linear-gradient(180deg, var(--navy) 0%, var(--navy-2) 100%);
  padding: clamp(64px, 9vw, 120px) 0 clamp(90px, 11vw, 150px);
}
.horizon {
  position: absolute; left: 50%; top: 74%; width: 190%; aspect-ratio: 1; transform: translateX(-50%);
  border-radius: 50%; border-top: 2px solid rgba(140, 196, 236, .55);
  background: radial-gradient(closest-side, rgba(46, 134, 200, .0) 92%, rgba(46, 134, 200, .22) 99%, transparent 100%);
  box-shadow: 0 -30px 90px rgba(46, 134, 200, .25);
  pointer-events: none;
}
.hero-grid { position: relative; display: grid; grid-template-columns: 1.15fr .85fr; gap: 56px; align-items: center; }
.eyebrow { font: 600 .8rem/1 var(--head); letter-spacing: .16em; text-transform: uppercase; color: var(--sky-soft); margin-bottom: 1.1em; }
.eyebrow.dark { color: var(--sky); }
.lede { font-size: 1.18rem; color: rgba(255, 255, 255, .84); max-width: 36em; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin: 30px 0 34px; }
.hero-points { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 10px 26px;
               color: rgba(255, 255, 255, .78); font-size: .95rem; }
.hero-points li { display: flex; align-items: center; gap: 8px; }
.hero-points li::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--sky); box-shadow: 0 0 0 4px rgba(46, 134, 200, .2); }

/* trace pack illustration */
.hero-visual { position: relative; min-height: 360px; }
.trace-card { position: absolute; inset: 0; margin: auto; width: min(420px, 100%); height: 330px;
              border-radius: 16px; background: var(--white); box-shadow: 0 30px 60px rgba(3, 12, 26, .45); }
.trace-back { transform: rotate(-7deg) translate(-26px, 14px); opacity: .35; }
.trace-mid { transform: rotate(-3.5deg) translate(-12px, 6px); opacity: .6; }
.trace-front { color: var(--ink); padding: 26px 26px 22px; display: flex; flex-direction: column; }
.trace-head { display: flex; align-items: center; gap: 14px; padding-bottom: 16px; border-bottom: 1px solid var(--rule); }
.trace-title { font: 700 1.02rem var(--head); }
.trace-sub { font-size: .8rem; color: var(--slate); text-transform: uppercase; letter-spacing: .1em; }
.trace-fields { margin: 14px 0 0; display: grid; gap: 9px; }
.trace-fields div { display: flex; justify-content: space-between; gap: 12px; font-size: .88rem; }
.trace-fields dt { color: var(--slate); }
.trace-fields dd { margin: 0; font-weight: 600; text-align: right; }
.trace-chain { margin-top: auto; display: flex; align-items: center; gap: 5px; font: 600 .62rem var(--head);
               text-transform: uppercase; letter-spacing: .06em; color: var(--navy); }
.trace-chain span { background: var(--mist); border: 1px solid var(--rule); padding: 5px 6px; border-radius: 6px; white-space: nowrap; }
.trace-chain i { flex: 1; height: 2px; min-width: 6px; background: linear-gradient(90deg, var(--sky), var(--sky-soft)); }

/* focus strip */
.band-strip { background: var(--white); border-bottom: 1px solid var(--rule); position: relative; z-index: 2; margin-top: -46px; }
.strip-grid { display: grid; grid-template-columns: repeat(4, 1fr); background: var(--white);
              border-radius: var(--radius); box-shadow: var(--shadow); transform: translateY(-10px); }
.strip-grid > div { padding: 24px 22px; display: flex; flex-direction: column; gap: 4px; }
.strip-grid > div + div { border-left: 1px solid var(--rule); }
.strip-grid strong { font: 600 1rem var(--head); }
.strip-grid span { color: var(--slate); font-size: .92rem; line-height: 1.5; }

/* sections */
.section { padding: clamp(72px, 9vw, 112px) 0; }
.section.mist { background: var(--mist); }
.section.navy { background: linear-gradient(180deg, var(--navy) 0%, var(--navy-2) 100%); color: var(--white); }
.section-head { max-width: 720px; margin-bottom: 48px; }
.section-head p { color: var(--slate); font-size: 1.08rem; }
.section-head.light p { color: rgba(255, 255, 255, .78); }

.card-grid { display: grid; gap: 22px; }
.card-grid.four { grid-template-columns: repeat(4, 1fr); }
.card-grid.two { grid-template-columns: repeat(2, 1fr); }
.card { background: var(--white); border: 1px solid var(--rule); border-radius: var(--radius); padding: 28px 24px;
        transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease; }
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: transparent; }
.card p { color: var(--slate); font-size: .96rem; margin: 0; }
.icon { width: 46px; height: 46px; border-radius: 12px; background: var(--mist); display: grid; place-items: center; margin-bottom: 18px; }
.icon svg { width: 24px; height: 24px; fill: none; stroke: var(--sky); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.categories { margin: 36px 0 0; color: var(--slate); font-size: .98rem; }
.categories span { font: 600 .78rem var(--head); text-transform: uppercase; letter-spacing: .14em; color: var(--navy); margin-right: 10px; }

.industry { background: var(--white); border-radius: var(--radius); padding: 32px 30px; border-left: 4px solid var(--sky); box-shadow: var(--shadow); }
.industry p { color: var(--slate); margin: 0; }

/* quality */
.source-ladder { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin-bottom: 56px;
                 border: 1px solid rgba(255, 255, 255, .12); border-radius: var(--radius); overflow: hidden; }
.rung { display: flex; gap: 18px; padding: 30px 28px; background: rgba(255, 255, 255, .03); }
.rung + .rung { border-left: 1px solid rgba(255, 255, 255, .12); }
.rung:first-child { background: rgba(46, 134, 200, .14); }
.rung-num { flex: none; width: 38px; height: 38px; border-radius: 50%; display: grid; place-items: center;
            font: 700 1rem var(--head); background: var(--sky); color: var(--white); }
.rung h3 { margin-bottom: .35em; }
.rung p { color: rgba(255, 255, 255, .76); font-size: .96rem; margin: 0; }
.quality-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.q-block p { color: rgba(255, 255, 255, .78); font-size: .97rem; }
.ticks { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.ticks li { position: relative; padding-left: 28px; color: rgba(255, 255, 255, .84); font-size: .97rem; }
.ticks li::before { content: ""; position: absolute; left: 0; top: .45em; width: 14px; height: 8px;
                    border-left: 2px solid var(--sky-soft); border-bottom: 2px solid var(--sky-soft); transform: rotate(-45deg); }

/* process */
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; counter-reset: s; }
.steps li { position: relative; padding-top: 22px; border-top: 2px solid var(--rule); }
.steps li::before { content: ""; position: absolute; top: -2px; left: 0; width: 44px; height: 2px; background: var(--sky); }
.step-num { font: 700 .85rem var(--head); color: var(--sky); letter-spacing: .1em; display: block; margin-bottom: 10px; }
.steps p { color: var(--slate); font-size: .96rem; margin: 0; }

/* rfq */
.rfq-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 56px; align-items: start; }
.rfq-intro p { color: var(--slate); }
.export-note { margin-top: 30px; padding: 22px 24px; border-radius: var(--radius); background: var(--white); border: 1px solid var(--rule); }
.export-note h3 { font-size: 1rem; }
.export-note p { margin: 0; font-size: .95rem; }
.rfq-form { background: var(--white); border-radius: 16px; padding: 34px; box-shadow: var(--shadow); display: grid; gap: 18px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.rfq-form label { display: grid; gap: 7px; font: 600 .88rem var(--head); color: var(--navy); }
.rfq-form .lbl { display: block; }
.req { color: var(--sky); margin-left: 3px; }
.rfq-form input, .rfq-form textarea {
  font: 400 1rem var(--body); color: var(--ink); background: var(--mist);
  border: 1px solid var(--rule); border-radius: 10px; padding: 12px 14px; width: 100%;
  transition: border-color .15s ease, background .15s ease, box-shadow .15s ease;
}
.rfq-form input:focus, .rfq-form textarea:focus { outline: none; background: var(--white); border-color: var(--sky); box-shadow: 0 0 0 4px rgba(46, 134, 200, .15); }
.rfq-form input[aria-invalid="true"] { border-color: #C0392B; }
.rfq-form textarea { resize: vertical; }
.rfq-form .btn { justify-self: start; }
.form-status { margin: 0; font-size: .95rem; font-weight: 500; min-height: 1.2em; }
.form-status.error { color: #B03A2E; }
.form-status.ok { color: #1E7A4F; }
.form-note { margin: 0; color: var(--slate); font-size: .85rem; }
.trap { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }

/* about */
.about-grid { display: grid; grid-template-columns: 260px 1fr; gap: 64px; align-items: center; }
.about-badge { width: 240px; height: auto; filter: drop-shadow(0 18px 36px rgba(11, 37, 69, .25)); }
.about p { color: var(--slate); font-size: 1.05rem; max-width: 46em; }

/* footer */
.site-footer { background: var(--navy); color: rgba(255, 255, 255, .78); padding: 64px 0 26px; font-size: .95rem; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 48px; padding-bottom: 40px; border-bottom: 1px solid rgba(255, 255, 255, .1); }
.footer-grid img { width: 190px; height: auto; margin-bottom: 18px; }
.site-footer h3 { color: var(--white); font-size: .95rem; letter-spacing: .02em; }
.site-footer a { color: rgba(255, 255, 255, .86); }
.site-footer a:hover { color: var(--white); }
.footer-base { display: flex; justify-content: space-between; padding-top: 22px; font-size: .85rem; color: rgba(255, 255, 255, .6); }

/* motion */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .btn, .card { transition: none; }
}

/* responsive */
@media (max-width: 1020px) {
  .card-grid.four { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); row-gap: 36px; }
  .quality-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 880px) {
  .nav-toggle { display: block; }
  .site-nav { position: absolute; top: 72px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0;
              background: var(--navy); padding: 8px 20px 20px; border-bottom: 1px solid rgba(255, 255, 255, .1);
              display: none; }
  .site-nav.open { display: flex; }
  .site-nav a:not(.btn) { padding: 14px 0; border-bottom: 1px solid rgba(255, 255, 255, .08); }
  .site-nav .btn { margin-top: 14px; }
  .nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .hero-grid, .rfq-grid { grid-template-columns: 1fr; }
  .hero-visual { min-height: 340px; }
  .strip-grid { grid-template-columns: 1fr 1fr; }
  .strip-grid > div:nth-child(3) { border-left: 0; }
  .strip-grid > div:nth-child(n+3) { border-top: 1px solid var(--rule); }
  .source-ladder { grid-template-columns: 1fr; }
  .rung + .rung { border-left: 0; border-top: 1px solid rgba(255, 255, 255, .12); }
  .about-grid { grid-template-columns: 1fr; gap: 28px; }
  .about-badge { width: 180px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
}
@media (max-width: 600px) {
  body { font-size: 16px; }
  .wrap { width: calc(100% - 32px); }
  .brand img { width: 168px; }
  .card-grid.four, .card-grid.two, .steps, .quality-grid, .strip-grid, .field-row { grid-template-columns: 1fr; }
  .strip-grid > div { border-left: 0 !important; }
  .strip-grid > div + div { border-top: 1px solid var(--rule); }
  .rfq-form { padding: 24px 20px; }
  .rfq-form .btn { justify-self: stretch; }
  .trace-chain { font-size: .6rem; gap: 6px 4px; flex-wrap: wrap; }
  .trace-chain span { padding: 5px 6px; }
  .trace-chain i { flex: 0 0 10px; }
  .footer-base { flex-direction: column; gap: 8px; }
}

/* privacy notice and other text pages */
.prose { max-width: 720px; }
.prose h1 { font-size: clamp(2rem, 4vw, 2.8rem); }
.prose h2 { font-size: 1.35rem; margin-top: 1.6em; }
.prose .updated { color: var(--slate); }
.site-nav.open-static { display: flex; }
.site-footer .footer-base { border-top: 0; }
@media (max-width: 880px) {
  /* text pages keep their single button in the header bar */
  .site-nav.open-static { position: static; display: flex; flex-direction: row; padding: 0; border: 0; background: none; }
  .site-nav.open-static .btn { margin-top: 0; }
}

/* part-category pages (generated: site/build_category_pages.py) */
.cat-page h1 { font-size: clamp(2rem, 4vw, 3rem); }
.cat-page h2 { font-size: 1.3rem; margin-top: 1.4em; }
.cat-page .lead { color: var(--slate); font-size: 1.12rem; max-width: 760px; }
.crumbs { font-size: .88rem; color: var(--slate); margin-bottom: 22px; }
.crumbs a { color: var(--sky); }
.cat-page .ticks li { color: var(--ink); }
.cat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; margin-top: 12px; }
.specs { margin: 0; display: grid; grid-template-columns: max-content 1fr; gap: 8px 18px; font-size: .96rem; }
.specs dt { font-weight: 600; color: var(--navy); }
.specs dd { margin: 0; color: var(--slate); }
.cat-caution { margin-top: 28px; background: var(--mist); border-left: 4px solid var(--sky); border-radius: 8px; padding: 18px 20px; }
.cat-caution h3 { font-size: 1.05rem; }
.cat-caution p { margin: 0; color: var(--slate); }
.cat-sourcing { margin-top: 44px; padding-top: 8px; border-top: 1px solid var(--rule); display: grid; grid-template-columns: 1fr 1fr; gap: 0 48px; }
.cat-sourcing h2 { grid-row: 1; }
.cat-sourcing ol { padding-left: 1.2em; margin: 0; display: grid; gap: 10px; color: var(--slate); }
.cat-sourcing ol strong { color: var(--navy); }
.cat-cta { margin-top: 44px; display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
.cat-cta p { margin: 0; color: var(--slate); }
.cat-related { margin-top: 36px; color: var(--slate); }
.cat-related a { color: var(--sky); }
.cat-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 36px; }
.cat-card { display: block; background: var(--white); border: 1px solid var(--rule); border-radius: var(--radius);
            padding: 22px 22px 20px; text-decoration: none; color: inherit; transition: box-shadow .2s, border-color .2s; }
.cat-card:hover, .cat-card:focus-visible { border-color: var(--sky); box-shadow: var(--shadow); }
.cat-card h2 { font-size: 1.08rem; margin: 0 0 .4em; color: var(--navy); }
.cat-card p { margin: 0; color: var(--slate); font-size: .93rem; }
.categories a { color: inherit; text-decoration: underline; text-decoration-color: var(--rule); text-underline-offset: 3px; }
.categories a:hover { color: var(--sky); }
@media (max-width: 880px) {
  .cat-grid, .cat-sourcing { grid-template-columns: 1fr; gap: 0; }
  .cat-sourcing h2 { grid-row: auto; }
  .cat-cards { grid-template-columns: 1fr 1fr; }
  .specs { grid-template-columns: 1fr; gap: 2px; }
  .specs dd { margin-bottom: 10px; }
}
@media (max-width: 560px) { .cat-cards { grid-template-columns: 1fr; } }
.cat-page .ticks li::before { border-color: var(--sky); }
.cat-page .context { max-width: 760px; color: var(--slate); }