/* BLOCKFORGE — Blockchain & Web3 Studio (fiktives Demo-Projekt) */
:root{
  --bg:#0a0e14;
  --bg-2:#0e141d;
  --panel:#121a26;
  --panel-2:#0f1621;
  --border:#1e2a3a;
  --border-2:#26374d;
  --ink:#e6edf5;
  --muted:#93a4bd;
  --muted-2:#6b7d97;
  --cyan:#22d3ee;
  --violet:#8b5cf6;
  --ok:#34d399;
  --warn:#fbbf24;
  --radius:16px;
  --radius-sm:10px;
  --maxw:1160px;
  --shadow:0 20px 60px rgba(0,0,0,.45);
  --grad:linear-gradient(135deg,var(--cyan),var(--violet));
  --font-display:"Space Grotesk",system-ui,sans-serif;
  --font-body:"Inter",system-ui,sans-serif;
  --font-mono:"JetBrains Mono","SFMono-Regular",ui-monospace,Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-body);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-2;
  background:
    radial-gradient(60% 50% at 15% 0%,rgba(34,211,238,.10),transparent 60%),
    radial-gradient(55% 45% at 90% 10%,rgba(139,92,246,.12),transparent 60%),
    radial-gradient(50% 60% at 50% 100%,rgba(139,92,246,.06),transparent 70%);
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  background-image:
    linear-gradient(rgba(255,255,255,.022) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.022) 1px,transparent 1px);
  background-size:44px 44px;
  mask-image:radial-gradient(ellipse 80% 60% at 50% 0%,#000,transparent 75%);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--font-display);line-height:1.12;margin:0 0 .5em;letter-spacing:-.02em;font-weight:600}
h1{font-size:clamp(2.1rem,5.2vw,3.6rem)}
h2{font-size:clamp(1.7rem,3.6vw,2.5rem)}
h3{font-size:1.22rem}
p{margin:0 0 1rem}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 22px}
.mono{font-family:var(--font-mono)}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.eyebrow{
  font-family:var(--font-mono);
  font-size:.76rem;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--cyan);
  display:inline-flex;
  align-items:center;
  gap:.55rem;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--cyan);opacity:.7}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  backdrop-filter:blur(14px);
  background:rgba(10,14,20,.55);
  border-bottom:1px solid transparent;
  transition:background .3s,border-color .3s,box-shadow .3s;
}
.site-header.scrolled{
  background:rgba(9,12,18,.9);
  border-bottom-color:var(--border);
  box-shadow:0 10px 30px rgba(0,0,0,.35);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:.65rem;font-family:var(--font-display);font-weight:700;font-size:1.18rem;letter-spacing:-.01em}
.brand .logo{
  width:34px;height:34px;border-radius:9px;
  background:var(--grad);
  position:relative;flex:none;
  box-shadow:0 0 22px rgba(34,211,238,.45);
}
.brand .logo::after{
  content:"";position:absolute;inset:6px;border-radius:5px;
  border:2px solid rgba(10,14,20,.85);
  clip-path:polygon(50% 0,100% 25%,100% 75%,50% 100%,0 75%,0 25%);
}
.nav-links{display:flex;align-items:center;gap:2px;list-style:none;margin:0;padding:0}
.nav-links a{
  display:block;padding:.55rem .9rem;border-radius:9px;
  font-size:.94rem;color:var(--muted);font-weight:500;
  transition:color .2s,background .2s;
}
.nav-links a:hover{color:var(--ink);background:rgba(255,255,255,.04)}
.nav-links a.active{color:var(--ink)}
.nav-links a.active::after{content:"";display:block;height:2px;margin-top:5px;border-radius:2px;background:var(--grad)}
.nav-cta{margin-left:.6rem}
.hamburger{
  display:none;width:44px;height:44px;border:1px solid var(--border-2);
  background:var(--panel);border-radius:10px;cursor:pointer;padding:0;
}
.hamburger span{display:block;width:20px;height:2px;margin:4px auto;background:var(--ink);border-radius:2px;transition:.28s}
.hamburger[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.hamburger[aria-expanded="true"] span:nth-child(2){opacity:0}
.hamburger[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.5rem;
  padding:.8rem 1.35rem;border-radius:11px;
  font-family:var(--font-display);font-weight:600;font-size:.96rem;
  cursor:pointer;border:1px solid transparent;
  transition:transform .18s,box-shadow .25s,background .25s,border-color .25s;
  white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#04121a;box-shadow:0 10px 28px rgba(34,211,238,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 40px rgba(34,211,238,.42)}
.btn-ghost{border-color:var(--border-2);color:var(--ink);background:rgba(255,255,255,.02)}
.btn-ghost:hover{border-color:var(--cyan);background:rgba(34,211,238,.06);transform:translateY(-2px)}
.btn .arw{transition:transform .2s}
.btn:hover .arw{transform:translateX(3px)}

/* ---------- Section framing ---------- */
section{position:relative}
.sec{padding:72px 0}
.sec-head{max-width:640px;margin-bottom:34px}
.sec-head.center{margin-inline:auto;text-align:center}
.sec-head p{color:var(--muted);font-size:1.05rem;margin:0}
.sec-head h2{margin-top:.5rem}

/* ---------- Hero (kompakt) ---------- */
.hero{padding:52px 0 44px}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center}
.hero h1{margin:.7rem 0 .4rem}
.hero .lead{color:var(--muted);font-size:1.12rem;max-width:38ch}
.hero-cta{display:flex;gap:.75rem;flex-wrap:wrap;margin-top:1.6rem}
.hero-meta{display:flex;gap:1.6rem;margin-top:1.9rem;flex-wrap:wrap}
.hero-meta div{border-left:2px solid var(--border-2);padding-left:.9rem}
.hero-meta b{font-family:var(--font-display);font-size:1.35rem;display:block}
.hero-meta span{font-size:.82rem;color:var(--muted-2)}
.hero-visual{
  position:relative;border:1px solid var(--border);border-radius:var(--radius);
  padding:14px;background:linear-gradient(160deg,var(--panel),var(--panel-2));
  box-shadow:var(--shadow);
}
.hero-visual::before{
  content:"";position:absolute;inset:-1px;border-radius:inherit;padding:1px;
  background:var(--grad);opacity:.5;
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none;
}
.hero-visual img{border-radius:11px;width:100%;aspect-ratio:1/1;object-fit:cover}
.hero-visual .chip{
  position:absolute;bottom:26px;left:26px;right:26px;
  display:flex;justify-content:space-between;align-items:center;
  font-family:var(--font-mono);font-size:.74rem;color:var(--ink);
  background:rgba(10,14,20,.72);backdrop-filter:blur(6px);
  border:1px solid var(--border-2);border-radius:10px;padding:.55rem .8rem;
}
.pulse{width:8px;height:8px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 0 rgba(52,211,153,.6);animation:pulse 2s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 9px rgba(52,211,153,0)}100%{box-shadow:0 0 0 0 rgba(52,211,153,0)}}

/* ---------- Marquee badges ---------- */
.badges{display:flex;flex-wrap:wrap;gap:.55rem}
.badge{
  font-family:var(--font-mono);font-size:.8rem;color:var(--muted);
  border:1px solid var(--border);background:var(--panel-2);
  padding:.45rem .8rem;border-radius:8px;display:inline-flex;align-items:center;gap:.45rem;
  transition:border-color .2s,color .2s,transform .2s;
}
.badge:hover{border-color:var(--cyan);color:var(--ink);transform:translateY(-2px)}
.badge i{width:6px;height:6px;border-radius:50%;background:var(--grad);flex:none;font-style:normal}

/* ---------- Cards / grid ---------- */
.grid{display:grid;gap:20px}
.g-2{grid-template-columns:repeat(2,1fr)}
.g-3{grid-template-columns:repeat(3,1fr)}
.card{
  background:linear-gradient(165deg,var(--panel),var(--panel-2));
  border:1px solid var(--border);border-radius:var(--radius);
  padding:26px;position:relative;overflow:hidden;
  transition:transform .28s,border-color .28s,box-shadow .28s;
}
.card::after{
  content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  background:radial-gradient(120% 80% at 100% 0,rgba(34,211,238,.08),transparent 55%);
  opacity:0;transition:opacity .3s;
}
.card:hover{transform:translateY(-4px);border-color:var(--border-2);box-shadow:var(--shadow)}
.card:hover::after{opacity:1}
.card .ico{
  width:46px;height:46px;border-radius:12px;display:grid;place-items:center;
  background:rgba(34,211,238,.1);border:1px solid rgba(34,211,238,.25);
  margin-bottom:16px;font-size:1.3rem;
}
.card h3{margin-bottom:.4rem}
.card p{color:var(--muted);font-size:.96rem;margin:0}
.card .tags{display:flex;gap:.4rem;flex-wrap:wrap;margin-top:14px}
.card .tags span{font-family:var(--font-mono);font-size:.72rem;color:var(--cyan);background:rgba(34,211,238,.07);border:1px solid rgba(34,211,238,.18);padding:.2rem .5rem;border-radius:6px}
.card .num{font-family:var(--font-mono);color:var(--muted-2);font-size:.8rem;position:absolute;top:22px;right:22px}

/* ---------- Code block ---------- */
.code-wrap{
  border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;
  background:var(--panel-2);box-shadow:var(--shadow);position:relative;
}
.code-bar{display:flex;align-items:center;gap:.5rem;padding:.7rem 1rem;background:#0b1119;border-bottom:1px solid var(--border)}
.code-bar .dot{width:11px;height:11px;border-radius:50%}
.code-bar .dot.r{background:#ff5f56}.code-bar .dot.y{background:#ffbd2e}.code-bar .dot.g{background:#27c93f}
.code-bar .file{margin-left:.6rem;font-family:var(--font-mono);font-size:.8rem;color:var(--muted)}
.code-bar .lang{margin-left:auto;font-family:var(--font-mono);font-size:.72rem;color:var(--violet);border:1px solid var(--border-2);border-radius:6px;padding:.15rem .5rem}
pre.code{margin:0;padding:20px 22px;overflow-x:auto;font-family:var(--font-mono);font-size:.86rem;line-height:1.75;tab-size:2}
pre.code .ln{color:#3d4b60;display:inline-block;width:2.2ch;user-select:none;margin-right:1.4ch}
.tok-key{color:#8b5cf6}
.tok-typ{color:#22d3ee}
.tok-fn{color:#7dd3fc}
.tok-str{color:#34d399}
.tok-num{color:#fbbf24}
.tok-com{color:#5a6b83;font-style:italic}
.tok-pun{color:#8798af}

/* ---------- Stats ---------- */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.stat{
  text-align:center;padding:34px 20px;border-radius:var(--radius);
  border:1px solid var(--border);background:linear-gradient(180deg,var(--panel),var(--panel-2));
}
.stat b{font-family:var(--font-display);font-size:clamp(2.2rem,5vw,3.1rem);display:block;line-height:1;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{color:var(--muted);font-size:.92rem;margin-top:.5rem;display:block}

/* ---------- Security / audit banner ---------- */
.audit{
  display:flex;gap:20px;align-items:center;
  border:1px solid rgba(52,211,153,.28);border-radius:var(--radius);
  background:linear-gradient(120deg,rgba(52,211,153,.06),rgba(34,211,238,.04));
  padding:26px 30px;
}
.audit .shield{
  width:58px;height:58px;border-radius:14px;flex:none;display:grid;place-items:center;
  background:rgba(52,211,153,.12);border:1px solid rgba(52,211,153,.35);font-size:1.6rem;
}
.audit h3{margin:0 0 .2rem}
.audit p{margin:0;color:var(--muted);font-size:.96rem}

/* ---------- Process steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:s}
.step{position:relative;padding:26px 22px;border:1px solid var(--border);border-radius:var(--radius);background:var(--panel-2)}
.step::before{
  counter-increment:s;content:"0" counter(s);
  font-family:var(--font-mono);font-size:1.5rem;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  font-weight:700;display:block;margin-bottom:10px;
}
.step h3{font-size:1.05rem}
.step p{color:var(--muted);font-size:.9rem;margin:0}

/* ---------- Tech stack rows ---------- */
.stack-row{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:18px 0;border-bottom:1px solid var(--border)}
.stack-row:last-child{border-bottom:0}
.stack-row .name{font-family:var(--font-display);font-weight:600}
.stack-row .desc{color:var(--muted);font-size:.92rem;flex:1;min-width:0}
.stack-row .lvl{display:flex;gap:5px}
.stack-row .lvl i{width:9px;height:9px;border-radius:50%;background:var(--border-2)}
.stack-row .lvl i.on{background:var(--grad)}

/* ---------- Architecture diagram ---------- */
.arch{display:grid;gap:14px}
.arch-layer{
  border:1px solid var(--border);border-radius:12px;padding:16px 20px;
  background:var(--panel-2);display:flex;align-items:center;gap:16px;
}
.arch-layer .tag{font-family:var(--font-mono);font-size:.72rem;color:var(--violet);border:1px solid var(--border-2);border-radius:6px;padding:.2rem .5rem;flex:none}
.arch-layer .cells{display:flex;gap:8px;flex-wrap:wrap;flex:1}
.arch-layer .cells span{font-family:var(--font-mono);font-size:.8rem;color:var(--ink);background:rgba(34,211,238,.06);border:1px solid rgba(34,211,238,.18);border-radius:7px;padding:.35rem .65rem}
.arch-flow{text-align:center;color:var(--muted-2);font-family:var(--font-mono);font-size:1.1rem;line-height:.5}

/* ---------- Referenzen ---------- */
.ref{
  border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;
  background:var(--panel-2);transition:transform .28s,border-color .28s,box-shadow .28s;
}
.ref:hover{transform:translateY(-4px);border-color:var(--border-2);box-shadow:var(--shadow)}
.ref .top{padding:22px 24px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:flex-start;gap:12px}
.ref .chain{font-family:var(--font-mono);font-size:.72rem;color:var(--cyan);border:1px solid rgba(34,211,238,.25);border-radius:20px;padding:.2rem .6rem;white-space:nowrap}
.ref .body{padding:22px 24px}
.ref .body p{color:var(--muted);font-size:.94rem;margin:0 0 16px}
.ref .kpis{display:flex;gap:22px}
.ref .kpis div b{font-family:var(--font-display);color:var(--cyan);display:block;font-size:1.15rem}
.ref .kpis div span{font-size:.76rem;color:var(--muted-2)}
.ref .hash{font-family:var(--font-mono);font-size:.72rem;color:var(--muted-2);margin-top:16px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- CTA band ---------- */
.cta-band{
  border:1px solid var(--border);border-radius:var(--radius);
  background:linear-gradient(120deg,rgba(139,92,246,.14),rgba(34,211,238,.1));
  padding:48px 40px;text-align:center;position:relative;overflow:hidden;
}
.cta-band::before{content:"";position:absolute;inset:0;background:radial-gradient(60% 120% at 50% 0,rgba(34,211,238,.18),transparent 60%);pointer-events:none}
.cta-band h2{margin-bottom:.4rem}
.cta-band p{color:var(--muted);max-width:52ch;margin:0 auto 1.6rem}

/* ---------- Forms ---------- */
.form{display:grid;gap:18px}
.field{display:grid;gap:.4rem}
.field label{font-size:.86rem;color:var(--muted);font-weight:500}
.field label .req{color:var(--cyan)}
.field input,.field select,.field textarea{
  width:100%;background:var(--panel-2);border:1px solid var(--border-2);
  border-radius:11px;padding:.8rem 1rem;color:var(--ink);font-family:var(--font-body);
  font-size:.98rem;transition:border-color .2s,box-shadow .2s;
}
.field textarea{resize:vertical;min-height:130px}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(34,211,238,.15);
}
.field select{appearance:none;cursor:pointer;
  background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);
  background-position:calc(100% - 20px) 55%,calc(100% - 15px) 55%;background-size:5px 5px,5px 5px;background-repeat:no-repeat;
}
.form-note{font-size:.82rem;color:var(--muted-2)}
.form-status{padding:.9rem 1.1rem;border-radius:11px;border:1px solid rgba(52,211,153,.35);background:rgba(52,211,153,.08);color:var(--ok);font-size:.94rem;display:none}
.form-status.show{display:block}

/* ---------- Contact aside ---------- */
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:start}
.info-item{display:flex;gap:14px;padding:18px 0;border-bottom:1px solid var(--border)}
.info-item:last-child{border-bottom:0}
.info-item .ii{width:42px;height:42px;border-radius:11px;flex:none;display:grid;place-items:center;background:rgba(139,92,246,.12);border:1px solid rgba(139,92,246,.3);font-size:1.15rem}
.info-item b{font-family:var(--font-display);display:block;font-size:.98rem}
.info-item span{color:var(--muted);font-size:.9rem}

/* ---------- Footer ---------- */
.site-footer{border-top:1px solid var(--border);margin-top:40px;padding:44px 0 30px;background:var(--bg-2)}
.foot-top{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;margin-bottom:28px}
.foot-links{display:flex;gap:26px;flex-wrap:wrap}
.foot-links a{color:var(--muted);font-size:.92rem}
.foot-links a:hover{color:var(--cyan)}
.foot-brand{max-width:320px}
.foot-brand p{color:var(--muted-2);font-size:.88rem;margin:.6rem 0 0}
.foot-bottom{border-top:1px solid var(--border);padding-top:20px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;align-items:center}
.foot-bottom small{color:var(--muted-2);font-size:.84rem}

/* ---------- Reveal animation ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
[data-delay="1"]{transition-delay:.08s}[data-delay="2"]{transition-delay:.16s}
[data-delay="3"]{transition-delay:.24s}[data-delay="4"]{transition-delay:.32s}

/* ---------- Page hero (subpages) ---------- */
.page-hero{padding:56px 0 20px}
.page-hero .lead{color:var(--muted);font-size:1.1rem;max-width:56ch}

/* ---------- Responsive ---------- */
@media(max-width:900px){
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero-visual{max-width:440px}
  .g-3,.g-2{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr}
  .contact-grid{grid-template-columns:1fr;gap:30px}
}
@media(max-width:680px){
  .nav-links{
    position:fixed;top:72px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:rgba(9,12,18,.98);backdrop-filter:blur(14px);
    border-bottom:1px solid var(--border);padding:12px 22px 22px;
    transform:translateY(-140%);transition:transform .35s ease;
  }
  .nav-links.open{transform:none}
  .nav-links a{padding:.85rem .4rem;border-radius:0;border-bottom:1px solid var(--border)}
  .nav-links a.active::after{display:none}
  .nav-cta{margin:.8rem 0 0}
  .hamburger{display:block}
  .g-3,.g-2,.stats,.steps{grid-template-columns:1fr}
  .sec{padding:54px 0}
  .cta-band{padding:36px 22px}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}