/* ==========================================================================
   PolyNex Manufacturing – 3D-Druckverwaltung  ·  Design-System
   Farbwelt: Cyan → Blau → Violett auf dunklem Grund (Marken-Startbild)
   ========================================================================== */

/* ---- Schriften (selbst gehostet, DSGVO-konform) ---- */
@font-face{font-family:"Space Grotesk";font-style:normal;font-weight:500;font-display:swap;src:url("fonts/space-grotesk-latin-500-normal.woff2") format("woff2")}
@font-face{font-family:"Space Grotesk";font-style:normal;font-weight:600;font-display:swap;src:url("fonts/space-grotesk-latin-600-normal.woff2") format("woff2")}
@font-face{font-family:"Space Grotesk";font-style:normal;font-weight:700;font-display:swap;src:url("fonts/space-grotesk-latin-700-normal.woff2") format("woff2")}
@font-face{font-family:"Inter";font-style:normal;font-weight:400;font-display:swap;src:url("fonts/inter-latin-400-normal.woff2") format("woff2")}
@font-face{font-family:"Inter";font-style:normal;font-weight:500;font-display:swap;src:url("fonts/inter-latin-500-normal.woff2") format("woff2")}
@font-face{font-family:"Inter";font-style:normal;font-weight:600;font-display:swap;src:url("fonts/inter-latin-600-normal.woff2") format("woff2")}
@font-face{font-family:"Inter";font-style:normal;font-weight:700;font-display:swap;src:url("fonts/inter-latin-700-normal.woff2") format("woff2")}

/* ---- Tokens ---- */
:root{
  --bg:#05070e;
  --bg-soft:#080b16;
  --panel:rgba(255,255,255,.028);
  --panel-2:rgba(255,255,255,.045);
  --line:rgba(255,255,255,.09);
  --line-strong:rgba(255,255,255,.16);
  --text:#e8edf7;
  --muted:#98a3bb;
  --muted-2:#6f7a92;
  --cyan:#22d3ee;
  --blue:#4f7cff;
  --violet:#a855f7;
  --grad:linear-gradient(100deg,#22d3ee 0%,#4f7cff 48%,#a855f7 100%);
  --grad-soft:linear-gradient(100deg,rgba(34,211,238,.16),rgba(79,124,255,.16),rgba(168,85,247,.16));
  --radius:18px;
  --radius-sm:12px;
  --container:1180px;
  --shadow:0 24px 60px -22px rgba(0,0,0,.75);
  --glow:0 0 40px -6px rgba(79,124,255,.55);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:"Inter",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
h1,h2,h3,h4{font-family:"Space Grotesk",system-ui,sans-serif;font-weight:700;line-height:1.08;margin:0;letter-spacing:-.02em}
p{margin:0}

/* ---- Grund-Layout ---- */
.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:24px}
.section{position:relative;padding:96px 0}
.section--tight{padding:64px 0}
.eyebrow{font-family:"Space Grotesk";text-transform:uppercase;letter-spacing:.28em;font-size:.74rem;font-weight:600;color:var(--cyan)}
.gradient-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{color:var(--muted);font-size:1.14rem;max-width:60ch}
.center{text-align:center}
.center .lead{margin-inline:auto}

/* Hintergrund-Deko: sanftes Gitter + Glow */
.bg-grid{position:fixed;inset:0;z-index:-2;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);
  background-size:60px 60px;
  mask-image:radial-gradient(circle at 50% 0%,#000 0%,transparent 70%);
  -webkit-mask-image:radial-gradient(circle at 50% 0%,#000 0%,transparent 70%);}
.bg-glow{position:fixed;z-index:-1;pointer-events:none;filter:blur(90px);opacity:.5}
.bg-glow--1{top:-160px;right:-120px;width:520px;height:520px;
  background:radial-gradient(circle,rgba(79,124,255,.55),transparent 60%)}
.bg-glow--2{top:420px;left:-160px;width:480px;height:480px;
  background:radial-gradient(circle,rgba(168,85,247,.4),transparent 60%)}

/* ---- Buttons ---- */
.btn{display:inline-flex;align-items:center;gap:.55em;font-family:"Space Grotesk";font-weight:600;
  font-size:.98rem;padding:.82em 1.4em;border-radius:12px;border:1px solid transparent;
  cursor:pointer;transition:transform .16s ease,box-shadow .2s ease,background .2s ease,border-color .2s;white-space:nowrap}
.btn:active{transform:translateY(1px)}
.btn--primary{background:var(--grad);color:#05070e;box-shadow:var(--glow)}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 14px 40px -8px rgba(79,124,255,.7)}
.btn--ghost{background:var(--panel);border-color:var(--line-strong);color:var(--text)}
.btn--ghost:hover{background:var(--panel-2);border-color:var(--cyan);transform:translateY(-2px)}
.btn--lg{font-size:1.06rem;padding:.95em 1.7em}
.btn svg{width:1.1em;height:1.1em}

/* ---- Header ---- */
.site-header{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);
  background:rgba(5,7,14,.72);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:24px;height:72px}
.brand{display:flex;align-items:center;gap:11px;font-family:"Space Grotesk";font-weight:700;font-size:1.06rem}
.brand img{height:34px;width:auto}
.brand small{display:block;font-size:.6rem;letter-spacing:.24em;color:var(--cyan);font-weight:600;text-transform:uppercase;line-height:1}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{padding:.5em .85em;border-radius:9px;color:var(--muted);font-weight:500;font-size:.96rem;transition:color .15s,background .15s}
.nav-links a:hover{color:var(--text);background:var(--panel)}
.nav-links a.active{color:var(--text)}
.nav-cta{margin-left:8px}
.nav-toggle{display:none;margin-left:auto;background:var(--panel);border:1px solid var(--line);color:var(--text);
  width:44px;height:44px;border-radius:11px;cursor:pointer;align-items:center;justify-content:center}
.nav-toggle svg{width:22px;height:22px}

/* ---- Hero ---- */
.hero{position:relative;padding:72px 0 84px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero h1{font-size:clamp(2.4rem,5vw,3.9rem)}
.hero .lead{margin-top:22px;font-size:1.2rem}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-points{display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:30px;color:var(--muted);font-size:.95rem}
.hero-points span{display:inline-flex;align-items:center;gap:8px}
.hero-points svg{width:18px;height:18px;color:var(--cyan);flex:none}
.hero-visual{position:relative}
.hero-visual::before{content:"";position:absolute;inset:-6% -4%;
  background:radial-gradient(circle at 60% 45%,rgba(79,124,255,.4),transparent 62%);filter:blur(30px);z-index:0}
.hero-visual img{position:relative;z-index:1;border-radius:var(--radius);
  border:1px solid var(--line);box-shadow:var(--shadow)}

/* Vollbreites Marken-Startbild (Band) */
.brandband{position:relative;border-block:1px solid var(--line);overflow:hidden;background:#04060c}
.brandband img{width:100%;height:auto;display:block;opacity:.96}

/* ---- Logo-/Trust-Zeile ---- */
.stripe{display:flex;flex-wrap:wrap;justify-content:center;gap:14px 40px;color:var(--muted-2);
  font-size:.86rem;letter-spacing:.04em}
.stripe b{color:var(--muted);font-weight:600}

/* ---- Section-Kopf ---- */
.section-head{max-width:64ch;margin-bottom:52px}
.section-head.center{margin-inline:auto}
.section-head h2{font-size:clamp(1.9rem,3.6vw,2.7rem);margin-top:14px}
.section-head p{margin-top:16px}

/* ---- Feature-Grid / Karten ---- */
.grid{display:grid;gap:20px}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--2{grid-template-columns:repeat(2,1fr)}
.grid--4{grid-template-columns:repeat(4,1fr)}
.card{position:relative;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;transition:transform .2s ease,border-color .2s ease,background .2s ease}
.card:hover{transform:translateY(-4px);border-color:var(--line-strong);background:var(--panel-2)}
.card h3{font-size:1.16rem;margin-bottom:8px}
.card p{color:var(--muted);font-size:.98rem}
.card .ico{width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  margin-bottom:16px;background:var(--grad-soft);border:1px solid var(--line-strong)}
.card .ico svg{width:23px;height:23px;color:#bfe8ff}
.card--wide{grid-column:span 2}

/* Karte mit Verlauf-Rahmen (Highlight) */
.card--glow{background:
  linear-gradient(var(--bg-soft),var(--bg-soft)) padding-box,
  var(--grad) border-box;border:1px solid transparent}

/* ---- Split-Feature (Bild + Text im Wechsel) ---- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.split + .split{margin-top:88px}
.split__media{border-radius:var(--radius);border:1px solid var(--line);overflow:hidden;
  background:var(--panel);box-shadow:var(--shadow);aspect-ratio:16/10;
  display:flex;align-items:center;justify-content:center}
.split__media img{width:100%;height:100%;object-fit:cover}
.split h3{font-size:clamp(1.5rem,2.6vw,2rem);margin-bottom:14px}
.split ul{list-style:none;margin:20px 0 0;padding:0;display:grid;gap:12px}
.split li{display:flex;gap:12px;color:var(--muted)}
.split li svg{width:20px;height:20px;color:var(--cyan);flex:none;margin-top:3px}
.split--rev .split__text{order:2}

/* ---- Stat-Reihe ---- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat{text-align:center;padding:22px;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel)}
.stat b{display:block;font-family:"Space Grotesk";font-weight:700;font-size:2.1rem}
.stat span{color:var(--muted);font-size:.92rem}

/* ---- Aufzählung / Check-Liste ---- */
.checks{list-style:none;margin:0;padding:0;display:grid;gap:14px}
.checks li{display:flex;gap:13px;color:var(--muted)}
.checks li svg{width:21px;height:21px;color:var(--cyan);flex:none;margin-top:3px}
.checks li b{color:var(--text);font-weight:600}

/* ---- CTA-Band ---- */
.cta{position:relative;border-radius:26px;padding:56px;text-align:center;overflow:hidden;
  border:1px solid var(--line-strong);
  background:radial-gradient(120% 140% at 50% 0%,rgba(79,124,255,.22),transparent 60%),var(--bg-soft)}
.cta h2{font-size:clamp(1.8rem,3.4vw,2.6rem)}
.cta p{color:var(--muted);margin:16px auto 0;max-width:56ch}
.cta .hero-actions{justify-content:center}

/* ---- Download-Box ---- */
.dlcard{max-width:640px;margin-inline:auto;background:var(--panel);border:1px solid var(--line-strong);
  border-radius:22px;padding:36px;text-align:center;box-shadow:var(--shadow)}
.dlcard .ver{display:inline-flex;align-items:center;gap:8px;font-family:"Space Grotesk";font-weight:600;
  font-size:.82rem;letter-spacing:.06em;color:var(--cyan);border:1px solid var(--line);border-radius:999px;
  padding:.35em .9em;margin-bottom:18px}
.dlcard h2{font-size:1.7rem}
.dlmeta{display:flex;flex-wrap:wrap;justify-content:center;gap:8px 24px;margin-top:20px;color:var(--muted-2);font-size:.9rem}
.dlmeta span{display:inline-flex;align-items:center;gap:7px}
.dlmeta svg{width:16px;height:16px;color:var(--muted)}
.note{margin-top:26px;padding:16px 18px;border-radius:14px;border:1px solid var(--line);
  background:var(--panel);color:var(--muted);font-size:.9rem;text-align:left;display:flex;gap:12px}
.note svg{width:20px;height:20px;color:var(--cyan);flex:none;margin-top:2px}

/* ---- Schritte ---- */
.steps{counter-reset:s;display:grid;gap:20px}
.step{display:flex;gap:18px;align-items:flex-start;padding:22px;border:1px solid var(--line);
  border-radius:var(--radius);background:var(--panel)}
.step::before{counter-increment:s;content:counter(s);font-family:"Space Grotesk";font-weight:700;
  width:42px;height:42px;flex:none;border-radius:11px;display:flex;align-items:center;justify-content:center;
  background:var(--grad);color:#05070e}
.step h3{font-size:1.1rem;margin-bottom:5px}
.step p{color:var(--muted);font-size:.96rem}

/* ---- FAQ ---- */
.faq{max-width:820px;margin-inline:auto;display:grid;gap:12px}
.faq details{border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--panel);overflow:hidden}
.faq summary{cursor:pointer;padding:18px 22px;font-family:"Space Grotesk";font-weight:600;list-style:none;
  display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--cyan);font-size:1.4rem;line-height:1;transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq p{padding:0 22px 20px;color:var(--muted)}

/* ---- Kontakt ---- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.info-list{display:grid;gap:16px}
.info-list a,.info-list span{display:flex;gap:13px;color:var(--muted);align-items:center}
.info-list svg{width:20px;height:20px;color:var(--cyan);flex:none}
.legal{color:var(--muted);font-size:.96rem}
.legal h3{color:var(--text);margin:26px 0 8px;font-size:1.05rem}
.legal .ph{color:var(--muted-2);font-style:italic}

/* ---- Footer ---- */
.site-footer{border-top:1px solid var(--line);background:var(--bg-soft);padding:56px 0 34px;margin-top:40px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-grid h4{font-family:"Space Grotesk";font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--muted-2);margin-bottom:16px}
.footer-grid a{display:block;color:var(--muted);padding:5px 0;font-size:.95rem}
.footer-grid a:hover{color:var(--cyan)}
.footer-brand p{color:var(--muted);font-size:.95rem;margin-top:14px;max-width:38ch}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  padding-top:24px;border-top:1px solid var(--line);color:var(--muted-2);font-size:.86rem}
.footer-bottom a{color:var(--muted-2)}
.footer-bottom a:hover{color:var(--muted)}

/* ---- Reveal-Animation ---- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

/* ---- Responsive ---- */
@media (max-width:960px){
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-visual{order:-1}
  .split,.contact-grid{grid-template-columns:1fr;gap:32px}
  .split--rev .split__text{order:0}
  .grid--3,.grid--4{grid-template-columns:1fr 1fr}
  .stats{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:680px){
  body{font-size:16px}
  .section{padding:70px 0}
  .nav-links{position:fixed;inset:72px 0 auto 0;flex-direction:column;align-items:stretch;gap:2px;
    background:rgba(5,7,14,.98);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);
    padding:14px 20px 22px;transform:translateY(-140%);transition:transform .28s ease;margin-left:0}
  .nav-links.open{transform:none}
  .nav-links a{padding:.8em .6em;font-size:1.02rem}
  .nav-cta{margin:8px 0 0}
  .nav-toggle{display:flex}
  .grid--3,.grid--4,.grid--2,.footer-grid,.stats{grid-template-columns:1fr}
  .card--wide{grid-column:span 1}
  .cta{padding:38px 24px}
  .dlcard{padding:26px}
}