/* styles.css */
:root{
  --bg:#070a12;
  --panel: rgba(255,255,255,.06);
  --panel2: rgba(255,255,255,.09);
  --text:#e9eefc;
  --muted: rgba(233,238,252,.72);
  --line: rgba(233,238,252,.12);
  --a1:#38bdf8; /* sky */
  --a2:#34d399; /* emerald */
  --a3:#a78bfa; /* violet */
  --shadow: 0 18px 50px rgba(0,0,0,.45);
  --radius: 18px;
  --radius2: 26px;
  --max: 1120px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  color:var(--text);
  background:
    radial-gradient(1200px 600px at 20% -10%, rgba(56,189,248,.18), transparent 60%),
    radial-gradient(900px 500px at 90% 0%, rgba(167,139,250,.16), transparent 55%),
    radial-gradient(1200px 700px at 60% 110%, rgba(52,211,153,.14), transparent 55%),
    linear-gradient(180deg, #050714 0%, #070a12 38%, #070a12 100%);
  overflow-x:hidden;
}

a{color:inherit; text-decoration:none}
.wrap{max-width:var(--max); margin:0 auto; padding:0 18px}

.muted{color:var(--muted)}
b{font-weight:800}

/* Language visibility: IMPORTANT */
.i18n{display:none !important}
.i18n.on{display:initial !important}

/* NAV */
.nav{
  position:sticky; top:0; z-index:50;
  backdrop-filter: blur(12px);
  background: rgba(7,10,18,.60);
  border-bottom: 1px solid var(--line);
}
.nav-inner{
  display:flex; align-items:center; justify-content:space-between;
  height:72px; gap:14px;
}

.brand{display:flex; gap:12px; align-items:center; min-width: 210px}
.logo{
  width:38px; height:38px; border-radius:14px;
  background:
    radial-gradient(18px 18px at 30% 30%, rgba(56,189,248,.95), transparent 60%),
    radial-gradient(22px 22px at 70% 70%, rgba(52,211,153,.9), transparent 62%),
    linear-gradient(135deg, rgba(167,139,250,.9), rgba(56,189,248,.25));
  box-shadow: 0 12px 34px rgba(56,189,248,.14);
  border: 1px solid rgba(255,255,255,.12);
}
.brand-text{line-height:1.1}
.brand-name{font-weight:900; letter-spacing:.4px}
.brand .i18n{display:none !important}
.brand .i18n.on{display:block !important; color:var(--muted); font-size:12px; margin-top:4px}

/* Menu */
.menu{display:flex; gap:14px; align-items:center}
.menu a{
  padding:10px 10px;
  color:var(--muted);
  border-radius:12px;
  transition: .2s ease;
  font-size:14px;
}
.menu a:hover{background: rgba(255,255,255,.06); color:var(--text)}

/* Right side */
.nav-right{display:flex; gap:10px; align-items:center}
.lang{
  display:flex; gap:8px; align-items:center;
  padding:6px;
  background: rgba(255,255,255,.05);
  border: 1px solid var(--line);
  border-radius: 999px;
}
.lang-btn{
  appearance:none; border:0; cursor:pointer;
  padding:8px 10px;
  border-radius: 999px;
  font-weight:900;
  color:var(--muted);
  background: transparent;
  transition:.2s ease;
  font-size:12px;
  letter-spacing:.6px;
}
.lang-btn.active{
  color:#061018;
  background: linear-gradient(90deg, rgba(56,189,248,.95), rgba(167,139,250,.75));
  box-shadow: 0 10px 26px rgba(56,189,248,.12);
}

/* Buttons */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  padding:12px 14px;
  border-radius: 14px;
  border:1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.06);
  color:var(--text);
  font-weight:900;
  cursor:pointer;
  transition:.2s ease;
  user-select:none;
  font-size:14px;
  white-space:nowrap;
}
.btn:hover{transform: translateY(-1px); background: rgba(255,255,255,.09)}
.btn-primary{
  color:#04101a;
  border:0;
  background: linear-gradient(90deg, var(--a1), var(--a2));
  box-shadow: 0 14px 40px rgba(52,211,153,.16);
}
.btn-primary:hover{filter:saturate(1.05)}
.btn-small{padding:10px 12px; font-size:13px}

/* mobile menu */
.burger{display:none}
.mobile-menu{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  padding: 12px 18px 16px;
}
.mobile-menu .btn{flex:1 1 140px}

/* Panels */
.panel{
  background: rgba(255,255,255,.04);
  border: 1px solid var(--line);
  border-radius: var(--radius2);
  box-shadow: var(--shadow);
  position:relative;
  overflow:hidden;
}
.panel::before{
  content:"";
  position:absolute; inset:-2px;
  background:
    radial-gradient(500px 220px at 16% 20%, rgba(56,189,248,.22), transparent 55%),
    radial-gradient(520px 250px at 85% 30%, rgba(167,139,250,.20), transparent 60%),
    radial-gradient(560px 280px at 45% 90%, rgba(52,211,153,.18), transparent 55%);
  pointer-events:none;
  filter: blur(2px);
  opacity:.9;
}
.panel > *{position:relative}

/* HERO */
.hero{padding:56px 0 18px}
.hero-grid{
  display:grid;
  grid-template-columns: 1.08fr .92fr;
  gap:18px;
  align-items:stretch;
}
.hero-main{padding:28px 26px}
.hero-side{padding:22px}

.kicker{
  display:inline-flex; gap:10px; align-items:center;
  padding:8px 12px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.06);
  color: var(--muted);
  font-size: 12px;
  letter-spacing:.35px;
}
.kdot{
  width:8px; height:8px; border-radius:999px;
  background: linear-gradient(90deg, var(--a1), var(--a2));
  box-shadow: 0 0 0 6px rgba(56,189,248,.08);
}

h1{
  margin:14px 0 10px;
  font-size: clamp(28px, 3.3vw, 44px);
  line-height:1.08;
  letter-spacing:-.6px;
}
.sub{
  margin:0 0 16px;
  color: var(--muted);
  font-size: 15.5px;
  line-height:1.55;
  max-width: 60ch;
}

.chips{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:12px;
  margin:18px 0 18px;
}
.chip{
  display:flex; gap:10px; align-items:flex-start;
  background: rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  border-radius: 16px;
  padding:12px 12px;
}
.ico{
  width:36px; height:36px; border-radius: 14px;
  background: rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.14);
  display:grid; place-items:center;
  flex: 0 0 auto;
}
.chip-title{font-weight:900}
.chip-desc{color:var(--muted); font-size:13px; margin-top:4px; line-height:1.35}

.actions{display:flex; gap:12px; flex-wrap:wrap; margin-top: 16px}
.trust{display:flex; flex-wrap:wrap; gap:10px; margin-top:18px}
.tag{
  padding:8px 10px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
  color: var(--muted);
  font-size:12.5px;
}

/* Side content */
.side-title{color:var(--muted); font-size:14px; margin:0 0 10px}
.metric{
  padding:14px 14px;
  border-radius: 16px;
  background: rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.12);
  margin-bottom:12px;
}
.metric-label{font-weight:800}
.metric-value{margin-top:6px; font-size:22px; font-weight:1000}
.metric-note{margin-top:8px; color:var(--muted); font-size:12.5px}
.metric-sub{margin-top:6px; color:var(--muted); font-size:12.5px}

.callout{
  margin-top:12px;
  background: linear-gradient(135deg, rgba(56,189,248,.12), rgba(52,211,153,.10));
  border:1px solid rgba(255,255,255,.14);
  border-radius: var(--radius2);
  padding:16px;
  display:flex; align-items:center; justify-content:space-between; gap:14px;
}
.callout-title{font-weight:900}
.callout-sub{color:var(--muted); font-size:13.5px; margin-top:6px}

/* Sections */
.section{padding:34px 0}
.section-head{margin-bottom:16px}
.section-head h2{
  margin:0 0 8px;
  font-size: clamp(20px, 2.2vw, 30px);
  letter-spacing:-.3px;
}
.lead{margin:0; color:var(--muted); max-width: 78ch; line-height:1.55}

/* Grid + cards */
.grid{
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap:14px;
}
.card{
  background: rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.12);
  border-radius: var(--radius);
  padding:16px 16px;
  box-shadow: 0 14px 40px rgba(0,0,0,.22);
  position:relative;
  overflow:hidden;
}
.card::after{
  content:"";
  position:absolute; inset:-2px;
  background:
    radial-gradient(380px 220px at 15% 10%, rgba(56,189,248,.10), transparent 60%),
    radial-gradient(380px 220px at 90% 10%, rgba(167,139,250,.09), transparent 60%);
  opacity:.9;
  pointer-events:none;
}
.card > *{position:relative}
.card h3{margin:0 0 10px; font-size:16px}
.card p{margin:0 0 10px; color:var(--muted); line-height:1.55; font-size:13.5px}

.span-2{grid-column: span 2}

.list{margin:0; padding-left:18px; color:var(--muted); line-height:1.6}
.list li{margin:6px 0}

.badge{
  display:inline-flex;
  padding:7px 10px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
  color:var(--muted);
  font-size:12px;
  margin-bottom:10px;
  font-weight:800;
}

/* mini grid for robot section */
.mini-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:12px;
  margin-top:12px;
}
.mini{
  padding:12px;
  border-radius: 16px;
  background: rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.12);
  color:var(--muted);
  line-height:1.5;
}
.mini-h{font-weight:1000; color:var(--text); margin-bottom:6px}

/* contact */
.contact-box{display:grid; gap:8px; color:var(--muted)}
.form{display:grid; grid-template-columns: repeat(2, 1fr); gap:12px; margin-top:12px}
.field{display:flex; flex-direction:column; gap:6px}
.field.full{grid-column: span 2}
label{font-size:12px; color:var(--muted)}
input, textarea, select{
  width:100%;
  padding:12px 12px;
  border-radius: 14px;
  border:1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.04);
  color: var(--text);
  outline:none;
  transition:.2s ease;
}
textarea{min-height:110px; resize:vertical}
input:focus, textarea:focus, select:focus{
  border-color: rgba(56,189,248,.55);
  box-shadow: 0 0 0 6px rgba(56,189,248,.10);
}
.hint{margin-top:8px; font-size:12.5px; color:var(--muted)}
.impressum{color:var(--muted); line-height:1.65}

/* footer */
.footer{
  padding:26px 0 40px;
  border-top: 1px solid var(--line);
  background: rgba(0,0,0,.18);
  margin-top: 10px;
}
.foot-inner{
  display:flex; flex-wrap:wrap; gap:12px;
  justify-content:space-between; align-items:flex-start;
  font-size: 12.5px;
}
.foot-brand{font-weight:1000}
.foot-links{display:flex; gap:10px; flex-wrap:wrap}
.foot-links a{
  padding:8px 10px;
  border-radius: 12px;
  background: rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.10);
}
.foot-links a:hover{background: rgba(255,255,255,.07); color: var(--text)}

/* reveal animation */
.reveal{opacity:0; transform: translateY(10px); transition: .5s ease}
.reveal.in{opacity:1; transform:none}
@media (prefers-reduced-motion: reduce){
  .reveal{opacity:1; transform:none}
}

/* responsive */
@media (max-width: 980px){
  .hero-grid{grid-template-columns: 1fr}
  .menu{display:none}
  .burger{display:inline-flex}
  .chips{grid-template-columns: 1fr}
  .mini-grid{grid-template-columns: 1fr}
}
@media (max-width: 720px){
  .grid{grid-template-columns: 1fr}
  .span-2{grid-column: auto}
  .form{grid-template-columns: 1fr}
  .field.full{grid-column: auto}
  .nav-inner{height:66px}
}