:root {
  --ink: #15171a;
  --muted: #62666d;
  --line: #e3e4e6;
  --soft: #f4f4f2;
  --paper: #ffffff;
  --max: 1200px;
  --radius: 24px;
  --shadow: 0 24px 70px rgba(17, 19, 22, .08);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 4px; }
a:hover { text-decoration-color: var(--muted); }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid #6a87ff; outline-offset: 4px; }
.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 100; padding: .7rem 1rem; color: #fff; background: var(--ink); border-radius: 8px; }
.skip-link:focus { top: 1rem; }
.container { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }
.eyebrow { margin: 0 0 1.2rem; color: var(--muted); font-size: .75rem; font-weight: 750; letter-spacing: .16em; text-transform: uppercase; }
.muted { color: var(--muted); }
.nowrap { white-space: nowrap; }

.site-header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.9); border-bottom: 1px solid rgba(227,228,230,.9); backdrop-filter: blur(16px); }
.nav-wrap { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
.brand { display: flex; align-items: center; width: 188px; }
.brand img { width: 100%; height: auto; aspect-ratio: 992 / 160; object-fit: contain; }
.site-nav { display: flex; align-items: center; gap: 1.6rem; }
.site-nav a { color: #3c3f44; font-size: .93rem; font-weight: 580; text-decoration: none; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--ink); }
.nav-cta { padding: .58rem .9rem; color: #fff !important; background: var(--ink); border-radius: 999px; }
.nav-toggle { display: none; width: 44px; height: 44px; padding: 0; color: var(--ink); background: transparent; border: 0; border-radius: 50%; }
.nav-toggle span, .nav-toggle::before, .nav-toggle::after { display: block; width: 20px; height: 1.5px; margin: 5px auto; content: ""; background: currentColor; transition: transform .2s ease; }

.hero { position: relative; min-height: 780px; display: grid; align-items: center; overflow: hidden; border-bottom: 1px solid var(--line); }
.hero::before, .page-hero::before { position: absolute; inset: 0; z-index: -1; content: ""; background-image: linear-gradient(rgba(22,23,26,.045) 1px, transparent 1px), linear-gradient(90deg, rgba(22,23,26,.045) 1px, transparent 1px); background-size: 78px 78px; mask-image: linear-gradient(to bottom, #000, transparent 88%); }
.hero-inner { padding-block: 7rem; }
.hero-logo { width: min(540px, 82vw); height: auto; margin-bottom: 3rem; aspect-ratio: 992 / 160; object-fit: contain; object-position: left center; }
.hero h1 { max-width: 940px; margin: 0; font-size: clamp(3.3rem, 7.4vw, 6.8rem); line-height: .92; letter-spacing: -.065em; }
.hero-copy { max-width: 730px; margin: 2rem 0 0; color: #41454a; font-size: clamp(1.15rem, 2vw, 1.45rem); line-height: 1.5; }
.notice { display: inline-flex; align-items: flex-start; gap: .7rem; max-width: 730px; margin-top: 2rem; padding: .85rem 1rem; color: #50545a; background: rgba(255,255,255,.72); border: 1px solid var(--line); border-radius: 14px; font-size: .92rem; }
.notice::before { flex: 0 0 auto; width: 8px; height: 8px; margin-top: .45rem; content: ""; background: var(--ink); border-radius: 50%; }
.launch-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 290px)); gap: .75rem; margin-top: 2.2rem; }
.launch-grid div { padding: 1rem 1.15rem; background: rgba(255,255,255,.84); border: 1px solid var(--line); border-radius: 14px; }
.launch-grid span { display: block; color: var(--muted); font-size: .75rem; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; }
.launch-grid strong { display: block; margin-top: .15rem; font-size: 1rem; }

.section { padding-block: clamp(5rem, 9vw, 8rem); }
.section-soft { background: var(--soft); }
.section-head { display: grid; grid-template-columns: .5fr 1fr; gap: 2rem; margin-bottom: 3.2rem; }
.section-head h2, .split h2, .cta-panel h2 { margin: 0; font-size: clamp(2.3rem, 5vw, 4.5rem); line-height: 1.03; letter-spacing: -.045em; }
.section-intro { max-width: 620px; margin: .4rem 0 0; color: var(--muted); font-size: 1.14rem; }
.brand-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 22px; }
.brand-card { grid-column: span 4; min-height: 560px; display: flex; flex-direction: column; padding: 1.4rem; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); transition: transform .2s ease, box-shadow .2s ease; }
.brand-card:first-child, .brand-card:nth-child(2), .brand-card:last-child { grid-column: span 4; }
.brand-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.brand-logo-box { height: 180px; display: flex; align-items: center; justify-content: center; margin-bottom: 1.6rem; padding: 1.2rem; overflow: hidden; background: #fafaf9; border: 1px solid #ececea; border-radius: 17px; }
.brand-logo-box img { width: 100%; height: 100%; max-width: 300px; max-height: 145px; object-fit: contain; object-position: center; }
.brand-logo-dark { background: #111216; border-color: #111216; }
.brand-imperial .brand-logo-box img { max-width: 155px; max-height: 155px; filter: brightness(5); }
.brand-platinux .brand-logo-box img { max-width: 310px; max-height: 125px; }
.brand-falkenberger .brand-logo-box img { max-width: 230px; max-height: 145px; }
.brand-thermbox .brand-logo-box img { max-width: 290px; max-height: 135px; }
.brand-brollux .brand-logo-box img { max-width: 310px; max-height: 95px; }
.brand-card-copy { min-height: 188px; }
.brand-card h3 { margin: .25rem 0 .55rem; font-size: 1.65rem; letter-spacing: -.03em; }
.brand-card p { max-width: 520px; margin: 0; color: var(--muted); }
.brand-card .brand-category { color: #8a8e94; font-size: .72rem; font-weight: 750; letter-spacing: .13em; text-transform: uppercase; }
.brand-card .launch-badge { width: fit-content; margin-top: 1.1rem; padding: .42rem .68rem; color: #4f545b; background: var(--soft); border-radius: 999px; font-size: .75rem; font-weight: 700; }
.card-actions { display: flex; flex-wrap: wrap; gap: .55rem; margin-top: auto; padding-top: 1.5rem; }
.broxsun-wordmark { position: relative; display: flex; align-items: baseline; font-size: clamp(2.3rem, 4vw, 3.35rem); font-weight: 850; letter-spacing: -.08em; line-height: 1; }
.broxsun-wordmark span:last-of-type { color: #d99722; }
.broxsun-wordmark i { position: absolute; top: -23px; right: 5px; width: 19px; height: 19px; background: #e6a329; border-radius: 50%; box-shadow: 0 0 0 7px rgba(230,163,41,.15); }
.button { display: inline-flex; align-items: center; justify-content: center; gap: .55rem; min-height: 46px; padding: .72rem 1rem; color: #fff; background: var(--ink); border: 1px solid var(--ink); border-radius: 999px; font-size: .9rem; font-weight: 700; text-decoration: none; }
.button::after { content: "↗"; font-size: 1rem; }
.button.secondary { color: var(--ink); background: transparent; border-color: #cfd1d4; }
.button.internal::after { content: "→"; }
.button.mail::after { content: "↗"; }
.text-link { display: inline-flex; align-items: center; gap: .5rem; margin-top: 1.6rem; font-weight: 700; text-decoration: none; }
.text-link::after { content: "→"; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(3rem, 8vw, 8rem); align-items: start; }
.split-copy { max-width: 580px; }
.split-copy > p:first-child { margin-top: 0; font-size: 1.3rem; color: #34373c; }
.facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-top: 3rem; overflow: hidden; background: var(--line); border: 1px solid var(--line); border-radius: 18px; }
.fact { padding: 1.4rem; background: #fff; }
.fact strong { display: block; font-size: 1.5rem; letter-spacing: -.03em; }
.fact span { color: var(--muted); font-size: .85rem; }
.cta-panel { position: relative; overflow: hidden; padding: clamp(2rem, 6vw, 5rem); color: #fff; background: var(--ink); border-radius: 30px; }
.cta-panel::after { position: absolute; right: -80px; bottom: -180px; width: 420px; height: 420px; content: ""; border: 1px solid #4b4e53; border-radius: 50%; box-shadow: 0 0 0 70px #24272b, 0 0 0 71px #44474b; }
.cta-panel p { max-width: 600px; margin: 1.4rem 0 2rem; color: #bfc2c7; font-size: 1.13rem; }
.cta-panel .button { position: relative; z-index: 1; color: var(--ink); background: #fff; border-color: #fff; }

.page-hero { position: relative; padding: clamp(6rem, 12vw, 10rem) 0 5rem; overflow: hidden; border-bottom: 1px solid var(--line); }
.page-hero h1 { max-width: 900px; margin: 0; font-size: clamp(3rem, 7vw, 6.5rem); line-height: .98; letter-spacing: -.06em; }
.page-hero .lead { max-width: 740px; margin: 2rem 0 0; color: #45494f; font-size: clamp(1.15rem, 2vw, 1.4rem); }
.content-narrow { width: min(calc(100% - 40px), 800px); margin-inline: auto; }
.prose h2 { margin: 3rem 0 1rem; font-size: 1.8rem; letter-spacing: -.025em; }
.prose h3 { margin: 2rem 0 .6rem; }
.prose p, .prose li { color: #45494f; }
.prose a { font-weight: 650; }
.contact-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.2rem; }
.contact-card { min-height: 230px; padding: 2rem; background: #fff; border: 1px solid var(--line); border-radius: 20px; }
.contact-card h2 { margin: 0 0 1rem; font-size: 1.4rem; }
.contact-card p { color: var(--muted); }
.contact-card address { font-style: normal; }
.audience-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.audience-card { padding: 2rem; background: #fff; border: 1px solid var(--line); border-radius: 20px; }
.audience-card .index { color: #96999e; font-size: .8rem; font-weight: 700; letter-spacing: .12em; }
.audience-card h2 { margin: 2.5rem 0 1rem; font-size: 1.5rem; }
.audience-card p { margin: 0; color: var(--muted); }
.history-line { position: relative; display: grid; grid-template-columns: repeat(5, 1fr); gap: 1px; overflow: hidden; background: var(--line); border: 1px solid var(--line); border-radius: 20px; }
.history-line article { min-height: 310px; padding: 1.6rem; background: #fff; }
.history-line time { color: #27529a; font-size: 1.15rem; font-weight: 800; }
.history-line h2 { margin: 3.5rem 0 .7rem; font-size: 1.25rem; letter-spacing: -.025em; }
.history-line p { margin: 0; color: var(--muted); font-size: .9rem; }
.legal-note { padding: 1.2rem 1.4rem; background: var(--soft); border-left: 3px solid var(--ink); border-radius: 0 10px 10px 0; }

.site-footer { padding: 4rem 0 2rem; background: var(--soft); border-top: 1px solid var(--line); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 3rem; }
.footer-brand img { width: 190px; height: auto; aspect-ratio: 992 / 160; margin-bottom: 1rem; object-fit: contain; object-position: left center; }
.footer-brand p { max-width: 340px; color: var(--muted); }
.footer-col h2 { margin: 0 0 1rem; font-size: .8rem; letter-spacing: .12em; text-transform: uppercase; }
.footer-col a { display: block; width: fit-content; margin: .55rem 0; color: #55595f; text-decoration: none; }
.footer-bottom { display: flex; justify-content: space-between; gap: 2rem; margin-top: 4rem; padding-top: 1.4rem; color: #7a7e84; border-top: 1px solid #dadddf; font-size: .82rem; }

@media (max-width: 900px) {
  .nav-toggle { display: block; }
  .site-nav { position: absolute; top: 76px; left: 0; right: 0; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 1rem 20px 1.5rem; background: #fff; border-bottom: 1px solid var(--line); box-shadow: 0 18px 30px rgba(0,0,0,.06); }
  .site-nav.is-open { display: flex; }
  .site-nav a { padding: .8rem 0; }
  .nav-cta { margin-top: .5rem; padding-inline: 1rem !important; text-align: center; }
  .section-head, .split { grid-template-columns: 1fr; }
  .brand-card, .brand-card:first-child, .brand-card:nth-child(2), .brand-card:last-child { grid-column: span 6; min-height: 540px; }
  .audience-grid { grid-template-columns: 1fr; }
  .history-line { grid-template-columns: 1fr 1fr; }
  .history-line article:last-child { grid-column: span 2; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 620px) {
  .container, .content-narrow { width: min(calc(100% - 28px), var(--max)); }
  .hero { min-height: 650px; }
  .hero-inner { padding-block: 5rem; }
  .hero-logo { width: 270px; }
  .launch-grid { grid-template-columns: 1fr; }
  .brand-card, .brand-card:first-child, .brand-card:nth-child(2), .brand-card:last-child { grid-column: span 12; min-height: 520px; }
  .notice { border-radius: 12px; }
  .contact-grid, .facts { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .history-line { grid-template-columns: 1fr; }
  .history-line article, .history-line article:last-child { grid-column: span 1; min-height: 240px; }
  .history-line h2 { margin-top: 2rem; }
  .footer-bottom { flex-direction: column; gap: .35rem; }
  .cta-panel { border-radius: 22px; }
  .cta-panel::after { opacity: .5; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}
