/* 3A Consulting GmbH — Responsive theme */
:root{
  --bg: #0B0C10;
  --panel: #111318;
  --text: #E6E8EC;
  --muted: #A9AFB9;
  --brand: #0D3B66; /* deep blue */
  --accent: #E10600; /* brand red */
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:'Century Gothic','CentGothic','AppleGothic','Segoe UI',Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.5}
.container{width:min(1120px,92%);margin-inline:auto}

.site-header{position:sticky;top:0;background:rgba(11,12,16,.85);backdrop-filter:saturate(140%) blur(6px);border-bottom:1px solid #1b1f2a;z-index:10}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:12px 0}
.brand{display:flex;gap:10px;align-items:center}
.logo{display:none}
.logo-img{height:36px;width:auto;border-radius:6px;box-shadow:0 0 0 1px #222;}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-text strong{letter-spacing:.2px}
.brand-text span{color:var(--muted);font-size:12px}
.nav{display:flex;gap:18px;align-items:center}
.nav a{color:var(--text);text-decoration:none;font-weight:500;opacity:.9}
.nav a:hover{opacity:1}
.lang{margin-left:8px;display:inline-flex;gap:8px;align-items:center;border-left:1px solid #263142;padding-left:12px}
.lang a{font-size:13px;opacity:.8}
.lang a.active{color:var(--accent);opacity:1}

.btn{display:inline-flex;align-items:center;gap:10px;padding:10px 14px;border-radius:8px;border:1px solid #263142;color:var(--text);text-decoration:none;transition:.2s}
.btn-primary{background:linear-gradient(135deg,var(--brand),#11508f);border-color:#184e7c}
.btn-ghost{background:transparent}
.btn-lg{padding:12px 18px;font-weight:600}

.hero{background:radial-gradient(1200px 600px at 80% -10%, #162033 0%, transparent 60%), radial-gradient(1200px 600px at -20% 110%, #1b2438 0%, transparent 60%)}
.hero-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:32px;align-items:center;padding:64px 0}
.hero h1{font-size:clamp(28px,4.2vw,44px);line-height:1.05;margin:0 0 12px}
.hero p{max-width:52ch;opacity:.95;margin:0 0 18px}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap}
.hero-card{background:var(--panel);border:1px solid #1b2230;border-radius:16px;padding:20px}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;text-align:center}
.stats strong{font-size:28px;color:var(--accent)}
.stats span{font-size:12px;color:var(--muted)}

.section{padding:56px 0}
.section.alt{background:#0f1116;border-top:1px solid #1b1f2a;border-bottom:1px solid #1b1f2a}
.section h2{font-size:clamp(22px,3vw,30px);margin:0 0 20px}
.grid{display:grid;gap:16px}
.cards-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.card{background:var(--panel);border:1px solid #1b2230;border-radius:14px;padding:18px}
.card h3{margin:0 0 8px;font-size:18px}
.card p{margin:0;color:var(--muted)}

.chips{display:flex;gap:10px;flex-wrap:wrap}
.chip{border:1px solid #253048;background:#121521;color:var(--text);padding:6px 10px;border-radius:999px;font-size:13px}

.two-col{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:start}
.panel{background:linear-gradient(135deg,#10131b,#0f1116);border:1px solid #1b2230;border-radius:14px;padding:20px}
.quote{font-size:18px;font-weight:600;margin:0 0 8px}
.small{color:var(--muted);font-size:13px;margin:0}

.cta{background:linear-gradient(135deg,#0d3b66 0%,#134a85 100%);color:#fff}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:18px}
.cta h2{margin:0 0 8px}

.site-footer{border-top:1px solid #1b1f2a;background:#0f1116}
.footer-inner{display:flex;align-items:center;justify-content:space-between;padding:20px 0;font-size:14px}
.muted{color:var(--muted)}

/* Responsive */
@media (max-width: 900px){
  .hero-inner{grid-template-columns:1fr}
  .two-col{grid-template-columns:1fr}
  .cards-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-inner{flex-direction:column;align-items:flex-start}
}
@media (max-width: 640px){
  .cards-3{grid-template-columns:1fr}
  .nav{display:none}
}