/* ===== Velat · DACH Intelligence — design system ===== */
:root{
  --bg:#070b14; --bg2:#0b1120; --panel:rgba(255,255,255,.04); --panel2:rgba(255,255,255,.06);
  --stroke:rgba(255,255,255,.09); --stroke2:rgba(255,255,255,.14);
  --text:#e8ecf5; --muted:#93a1bd; --dim:#5f6d88;
  --accent:#2de2a6; --accent2:#4c7df0; --accent3:#a86bff;
  --glow:0 0 60px rgba(45,226,166,.25);
  --radius:16px; --maxw:1200px;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Inter,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);line-height:1.55;
  -webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
h1,h2,h3{line-height:1.1;margin:0 0 .4em;letter-spacing:-.02em}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.muted{color:var(--muted)} .dim{color:var(--dim)}
.accent{color:var(--accent)}

/* animated background glows */
.bg-orbs{position:fixed;inset:0;z-index:-1;overflow:hidden}
.orb{position:absolute;border-radius:50%;filter:blur(80px);opacity:.5;animation:float 18s ease-in-out infinite}
.orb.a{width:520px;height:520px;background:radial-gradient(circle,#12694e,transparent 70%);top:-140px;left:-120px}
.orb.b{width:460px;height:460px;background:radial-gradient(circle,#1b3a86,transparent 70%);top:20%;right:-140px;animation-delay:-6s}
.orb.c{width:420px;height:420px;background:radial-gradient(circle,#4b2a86,transparent 70%);bottom:-160px;left:30%;animation-delay:-11s}
@keyframes float{0%,100%{transform:translate(0,0)}33%{transform:translate(40px,-30px)}66%{transform:translate(-30px,20px)}}

/* nav */
.nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);
  background:rgba(7,11,20,.6);border-bottom:1px solid var(--stroke)}
.nav .container{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{font-weight:800;font-size:18px;letter-spacing:-.02em;display:flex;gap:10px;align-items:center}
.brand .dot{width:10px;height:10px;border-radius:50%;background:var(--accent);box-shadow:var(--glow)}
.nav-links{display:flex;gap:26px;align-items:center}
.nav-links a{color:var(--muted);font-size:14px;font-weight:500;transition:color .2s}
.nav-links a:hover{color:var(--text)}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 20px;border-radius:12px;font-weight:600;
  font-size:14px;cursor:pointer;border:1px solid transparent;transition:transform .15s,box-shadow .2s,background .2s}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:linear-gradient(135deg,var(--accent),#20b98a);color:#04140e;box-shadow:var(--glow)}
.btn-ghost{background:var(--panel);border-color:var(--stroke2);color:var(--text)}
.btn-ghost:hover{background:var(--panel2)}

/* hero */
.hero{position:relative;padding:120px 0 90px;text-align:center}
.eyebrow{display:inline-flex;gap:8px;align-items:center;padding:7px 14px;border:1px solid var(--stroke2);
  border-radius:100px;font-size:12.5px;color:var(--muted);background:var(--panel);margin-bottom:26px}
.eyebrow .pulse{width:7px;height:7px;border-radius:50%;background:var(--accent);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(45,226,166,.5)}50%{box-shadow:0 0 0 8px rgba(45,226,166,0)}}
.hero h1{font-size:clamp(38px,7vw,76px);font-weight:850;
  background:linear-gradient(120deg,#fff 30%,#9fb4ff 70%,var(--accent));-webkit-background-clip:text;
  background-clip:text;color:transparent}
.hero p.lead{font-size:clamp(16px,2.2vw,21px);color:var(--muted);max-width:720px;margin:18px auto 34px}
.hero-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* stat ticker */
.stats{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:56px}
.stat{background:var(--panel);border:1px solid var(--stroke);border-radius:14px;padding:18px 26px;min-width:150px}
.stat b{display:block;font-size:30px;font-weight:800;
  background:linear-gradient(120deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{font-size:13px;color:var(--muted)}

/* sections */
section{padding:72px 0}
.sec-head{text-align:center;max-width:640px;margin:0 auto 44px}
.sec-head h2{font-size:clamp(28px,4vw,42px);font-weight:800}
.sec-head p{color:var(--muted);font-size:16px}

/* cards / project grid */
.grid{display:grid;gap:20px}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
.grid.cols-2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--panel);border:1px solid var(--stroke);border-radius:var(--radius);padding:24px;
  transition:transform .2s,border-color .2s,background .2s;position:relative;overflow:hidden}
.card:hover{transform:translateY(-4px);border-color:var(--stroke2);background:var(--panel2)}
.card .tag{font-size:12px;color:var(--accent);font-weight:600;text-transform:uppercase;letter-spacing:.05em}
.card h3{font-size:20px;margin-top:8px}
.card p{color:var(--muted);font-size:14.5px}
.card .chips{display:flex;gap:6px;flex-wrap:wrap;margin-top:14px}
.chip{font-size:11.5px;padding:4px 10px;border:1px solid var(--stroke2);border-radius:100px;color:var(--muted)}
.card .arrow{position:absolute;top:22px;right:22px;color:var(--dim);transition:color .2s,transform .2s}
.card:hover .arrow{color:var(--accent);transform:translate(3px,-3px)}

/* skills */
.badges{display:flex;gap:10px;flex-wrap:wrap;justify-content:center}
.badge{padding:10px 16px;border:1px solid var(--stroke2);border-radius:12px;background:var(--panel);font-weight:600;font-size:14px}

/* contact */
.contact{text-align:center}
.contact .btn{margin:6px}

/* reveal on scroll */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

footer{border-top:1px solid var(--stroke);padding:34px 0;color:var(--dim);font-size:13px;text-align:center}

/* ===== platform app shell ===== */
.app-top{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin:28px 0 8px}
.app-top h1{font-size:26px}
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin:18px 0 26px}
.tab{padding:10px 16px;border-radius:12px;border:1px solid var(--stroke);background:var(--panel);
  color:var(--muted);font-weight:600;font-size:14px;cursor:pointer;transition:.2s}
.tab:hover{color:var(--text)}
.tab.active{background:linear-gradient(135deg,rgba(45,226,166,.16),rgba(76,125,240,.16));
  border-color:var(--accent);color:#fff}
.view{display:none;animation:fade .35s ease}
.view.active{display:block}
@keyframes fade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.panel{background:var(--panel);border:1px solid var(--stroke);border-radius:var(--radius);padding:22px}
.kpi-row{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:20px}
.kpi{background:var(--panel);border:1px solid var(--stroke);border-radius:14px;padding:16px}
.kpi b{display:block;font-size:26px;font-weight:800;color:#fff}
.kpi span{font-size:12.5px;color:var(--muted)}
.controls-row{display:flex;gap:16px;flex-wrap:wrap;align-items:center;margin-bottom:18px}
select,input[type=range]{accent-color:var(--accent)}
select{background:#0d1526;color:var(--text);border:1px solid var(--stroke2);border-radius:10px;padding:8px 12px;font-size:14px}
.slider{display:flex;flex-direction:column;gap:6px;min-width:210px}
.slider label{font-size:13px;color:var(--muted);display:flex;justify-content:space-between}
.slider input{width:100%}
table{border-collapse:collapse;width:100%;font-size:13.5px}
th,td{padding:9px 10px;border-bottom:1px solid var(--stroke);text-align:left}
th{color:var(--muted);font-weight:600;cursor:pointer;user-select:none}
tbody tr:hover{background:var(--panel)}
.pill{padding:3px 10px;border-radius:100px;font-size:12px;font-weight:600}
.pill.A{background:rgba(45,226,166,.18);color:var(--accent)}
.pill.B{background:rgba(240,193,76,.18);color:#f0c14c}
.pill.C{background:rgba(255,255,255,.08);color:var(--muted)}
.big-num{font-size:34px;font-weight:850;background:linear-gradient(120deg,var(--accent),var(--accent2));
  -webkit-background-clip:text;background-clip:text;color:transparent}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.callout{background:linear-gradient(135deg,rgba(45,226,166,.1),rgba(76,125,240,.08));
  border:1px solid var(--stroke2);border-radius:14px;padding:16px 18px}

@media(max-width:900px){.grid.cols-3{grid-template-columns:1fr}.grid.cols-2,.two-col{grid-template-columns:1fr}
  .kpi-row{grid-template-columns:repeat(2,1fr)}.nav-links{display:none}}