/* Borchu Systems — corporate static site */
:root {
  --navy: #1b2a4a;
  --navy-dark: #121d36;
  --gold: #b48a3c;
  --gold-light: #d4af6a;
  --bg: #f7f8fa;
  --text: #2a3344;
  --muted: #6b7486;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: 'Montserrat', sans-serif; color: var(--text); background: var(--bg); line-height: 1.65; }
.container { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

/* Nav */
nav { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.92); backdrop-filter: blur(8px); border-bottom: 1px solid #e8eaef; }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 84px; }
.nav-logo { display: flex; align-items: center; text-decoration: none; }
.nav-logo img { height: 68px; }
.nav-links { display: flex; gap: 26px; }
.nav-links a { color: var(--muted); text-decoration: none; font-size: 13.5px; font-weight: 600; }
.nav-links a:hover { color: var(--gold); }
.lang-switch { display: inline-block; border: 1.5px solid var(--gold); color: var(--gold) !important; border-radius: 999px; padding: 4px 14px !important; font-size: 12px !important; letter-spacing: .08em; }
.lang-switch:hover { background: var(--gold); color: #fff !important; }
.legal-lang { float: right; font-size: 13px; font-weight: 700; color: var(--gold); text-decoration: none; border: 1.5px solid var(--gold); border-radius: 999px; padding: 4px 14px; }
@media (max-width: 720px) { .nav-links { display: none; } }

/* Hero */
.hero { background: linear-gradient(150deg, var(--navy-dark) 0%, var(--navy) 55%, #2a3c63 100%); color: #fff; padding: 90px 0 80px; text-align: center; position: relative; overflow: hidden; }
.hero::after { content: ''; position: absolute; right: -120px; top: -120px; width: 420px; height: 420px; border-radius: 50%; background: radial-gradient(circle, rgba(180,138,60,.22), transparent 65%); }
.hero img.logo { height: clamp(180px, 28vw, 240px); background: #fff; border-radius: 30px; padding: 24px 30px; box-shadow: 0 10px 36px rgba(0,0,0,.3); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.hero p.tagline { max-width: 720px; margin: 32px auto 0; font-size: clamp(15px, 2.2vw, 18px); color: #cdd6e6; font-weight: 500; }
.hero .cta { display: inline-block; margin-top: 36px; background: var(--gold); color: #fff; text-decoration: none; font-weight: 700; padding: 13px 34px; border-radius: 999px; font-size: 14.5px; letter-spacing: .04em; }
.hero .cta:hover { background: var(--gold-light); }

/* Sections */
section { padding: 72px 0; }
section.alt { background: #fff; }
.sec-label { color: var(--gold); font-weight: 700; letter-spacing: .22em; font-size: 12px; text-transform: uppercase; margin-bottom: 10px; }
h2 { color: var(--navy); font-size: clamp(24px, 3.4vw, 32px); font-weight: 800; margin-bottom: 18px; }
.lead { font-size: 16.5px; max-width: 820px; color: var(--text); }

/* Pillars */
.grid { display: grid; gap: 22px; margin-top: 40px; }
.grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 920px) { .grid.cols-4 { grid-template-columns: repeat(2, 1fr); } .grid.cols-3 { grid-template-columns: 1fr; } }
@media (max-width: 560px) { .grid.cols-4 { grid-template-columns: 1fr; } }
.card { background: #fff; border: 1px solid #e8eaef; border-radius: 18px; padding: 26px 22px; box-shadow: 0 2px 10px rgba(20,30,55,.04); }
section.alt .card { background: var(--bg); }
.card .ico { font-size: 30px; margin-bottom: 14px; }
.card h3 { color: var(--navy); font-size: 16.5px; font-weight: 700; margin-bottom: 10px; }
.card p { font-size: 13.8px; color: var(--muted); }

/* Product chips */
.chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; }
.chip { background: #fff; border: 1px solid #e3d9c4; color: var(--navy); font-size: 13.5px; font-weight: 600; padding: 9px 18px; border-radius: 999px; }
.chip::before { content: '◆ '; color: var(--gold); font-size: 10px; }

/* Group companies */
.companies { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 36px; }
@media (max-width: 760px) { .companies { grid-template-columns: 1fr; } }
.company { border-left: 4px solid var(--gold); background: #fff; padding: 20px 22px; border-radius: 0 14px 14px 0; }
.company h3 { color: var(--navy); font-size: 16px; font-weight: 800; margin-bottom: 6px; }
.company p { font-size: 13.5px; color: var(--muted); }

/* Contact */
.contact-box { background: var(--navy); color: #fff; border-radius: 22px; padding: 46px 40px; display: flex; flex-wrap: wrap; gap: 34px; justify-content: space-between; align-items: center; }
.contact-box h2 { color: #fff; margin-bottom: 8px; }
.contact-box p { color: #c3cde0; font-size: 14.5px; }
.contact-items { display: flex; flex-direction: column; gap: 10px; font-size: 15px; }
.contact-items a { color: var(--gold-light); text-decoration: none; font-weight: 700; }

/* Footer */
footer { background: var(--navy-dark); color: #8e9ab3; padding: 34px 0; font-size: 13px; }
.footer-inner { display: flex; flex-wrap: wrap; gap: 16px; justify-content: space-between; align-items: center; }
.footer-links { display: flex; gap: 22px; }
.footer-links a { color: #aeb9d2; text-decoration: none; }
.footer-links a:hover { color: var(--gold-light); }

/* Legal pages */
.legal { max-width: 780px; margin: 0 auto; padding: 60px 24px 80px; }
.legal h1 { color: var(--navy); font-size: 28px; margin-bottom: 8px; }
.legal .updated { color: var(--muted); font-size: 13px; margin-bottom: 34px; }
.legal h2 { font-size: 19px; margin: 32px 0 10px; }
.legal p, .legal li { font-size: 14.5px; color: var(--text); margin-bottom: 10px; }
.legal ul { padding-left: 22px; }
.legal a { color: var(--gold); }
.back { display: inline-block; margin-top: 40px; color: var(--navy); text-decoration: none; font-weight: 700; font-size: 14px; }