/* ============================================================
   syntropa — Order out of noise.
   Farbsystem & Typografie gemäß Brand Book
   ============================================================ */

@font-face{font-family:'Spectral';font-style:normal;font-weight:300;src:url('fonts/spectral-latin-300-normal.woff2') format('woff2');font-display:swap}
@font-face{font-family:'Spectral';font-style:normal;font-weight:400;src:url('fonts/spectral-latin-400-normal.woff2') format('woff2');font-display:swap}
@font-face{font-family:'Spectral';font-style:italic;font-weight:400;src:url('fonts/spectral-latin-400-italic.woff2') format('woff2');font-display:swap}
@font-face{font-family:'Space Grotesk';font-style:normal;font-weight:400;src:url('fonts/space-grotesk-latin-400-normal.woff2') format('woff2');font-display:swap}
@font-face{font-family:'Space Grotesk';font-style:normal;font-weight:500;src:url('fonts/space-grotesk-latin-500-normal.woff2') format('woff2');font-display:swap}
@font-face{font-family:'Space Grotesk';font-style:normal;font-weight:600;src:url('fonts/space-grotesk-latin-600-normal.woff2') format('woff2');font-display:swap}
@font-face{font-family:'IBM Plex Mono';font-style:normal;font-weight:400;src:url('fonts/ibm-plex-mono-latin-400-normal.woff2') format('woff2');font-display:swap}
@font-face{font-family:'IBM Plex Mono';font-style:normal;font-weight:500;src:url('fonts/ibm-plex-mono-latin-500-normal.woff2') format('woff2');font-display:swap}

:root{
  --paper:#F5F6F8;
  --ink:#0F1319;
  --blau:#120A8F;
  --blau-tief:#0C0666;
  --rausch:#E4572E;
  --flieder:#7A8CFF;
  --grau:#8A8F99;
  --linie:#D9DCE2;
  --karte:#FFFFFF;
  --serif:'Spectral',Georgia,serif;
  --sans:'Space Grotesk',system-ui,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,monospace;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:hidden}
body{
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
::selection{background:var(--blau);color:#fff}
a{color:inherit}
img,svg{display:block}

.wrap{max-width:1120px;margin:0 auto;padding:0 28px}

/* ---------- Skip-Link & Fokus ---------- */
.skip{
  position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;
  padding:10px 18px;z-index:100;font-size:14px;
}
.skip:focus{left:0}
a:focus-visible,button:focus-visible{outline:3px solid var(--blau);outline-offset:3px;border-radius:2px}

/* ---------- Navigation ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:50;
  background:rgba(245,246,248,.88);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--linie);
}
.nav-inner{
  max-width:1120px;margin:0 auto;padding:16px 28px;
  display:flex;justify-content:space-between;align-items:center;
}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none}
.brand-word{font-family:var(--serif);font-size:25px;letter-spacing:-.02em}
.nav-links{display:flex;gap:30px;align-items:center;list-style:none}
.nav-links a{
  text-decoration:none;font-size:14.5px;color:#3A4048;
}
.nav-links a:hover{color:var(--blau)}
.nav-cta{
  background:var(--blau);color:#fff !important;
  padding:9px 20px;font-weight:600;font-size:14px !important;
  text-decoration:none;transition:background .15s;
  white-space:nowrap;
}
@media(max-width:420px){.nav-cta{padding:8px 14px;font-size:13px !important}}
.nav-cta:hover{background:var(--blau-tief);color:#fff !important}
@media(max-width:760px){.nav-links a:not(.nav-cta){display:none}}

/* ---------- Hero ---------- */
.hero{
  min-height:90svh;
  display:flex;flex-direction:column;justify-content:center;
  position:relative;overflow:hidden;
  border-bottom:1px solid var(--linie);
  padding-top:70px;
}
#field{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.hero{touch-action:pan-y}
.hero-inner{position:relative;z-index:2}
.eyebrow{
  font-family:var(--mono);font-size:12.5px;letter-spacing:.22em;
  text-transform:uppercase;color:var(--blau);margin-bottom:26px;
}
.hero h1{
  font-family:var(--serif);font-weight:400;
  font-size:clamp(44px,7.4vw,96px);
  line-height:1.02;letter-spacing:-.02em;
  max-width:13ch;
}
.hero h1 em{font-style:italic;color:var(--blau)}
.hero-sub{
  margin-top:28px;font-size:clamp(17px,2vw,20px);
  max-width:520px;color:#3A4048;
}
.hero-actions{margin-top:38px;display:flex;gap:16px;flex-wrap:wrap;align-items:center}
.btn{
  display:inline-block;background:var(--blau);color:#fff;
  font-weight:600;font-size:15.5px;padding:15px 32px;
  text-decoration:none;transition:background .15s;
}
.btn:hover{background:var(--blau-tief)}
.btn-ghost{
  display:inline-block;color:var(--ink);font-weight:500;font-size:15.5px;
  padding:15px 6px;text-decoration:none;border-bottom:2px solid var(--ink);
}
.btn-ghost:hover{color:var(--blau);border-color:var(--blau)}
.hero-foot{
  position:absolute;bottom:30px;left:0;right:0;z-index:2;
}
.hero-foot .wrap{
  display:flex;justify-content:space-between;align-items:center;
  font-family:var(--mono);font-size:11.5px;letter-spacing:.18em;
  text-transform:uppercase;color:var(--grau);
}
@media(max-width:640px){.hero-foot .claim-en{display:none}}

/* ---------- Sections gemeinsam ---------- */
section{padding:120px 0;border-bottom:1px solid var(--linie)}
.kicker{
  font-family:var(--mono);font-size:12px;letter-spacing:.22em;
  text-transform:uppercase;color:var(--blau);margin-bottom:18px;
}
h2{
  font-family:var(--serif);font-weight:400;
  font-size:clamp(32px,4.4vw,50px);line-height:1.12;
  letter-spacing:-.01em;margin-bottom:26px;max-width:620px;
}
.lede{font-size:19px;max-width:600px;color:#3A4048}

/* ---------- Prinzip ---------- */
.prinzip-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:1px;
  background:var(--linie);border:1px solid var(--linie);
  margin-top:52px;
}
@media(max-width:820px){.prinzip-grid{grid-template-columns:1fr}}
.prinzip-cell{background:var(--karte);padding:44px 38px;position:relative}
.prinzip-cell.dunkel{background:var(--ink);color:var(--paper)}
.prinzip-label{
  font-family:var(--mono);font-size:11.5px;letter-spacing:.2em;
  text-transform:uppercase;margin-bottom:22px;
}
.prinzip-cell .prinzip-label{color:var(--rausch)}
.prinzip-cell.dunkel .prinzip-label{color:var(--flieder)}
.prinzip-cell h3{
  font-family:var(--serif);font-weight:400;font-size:27px;
  line-height:1.2;margin-bottom:14px;
}
.prinzip-cell p{font-size:15.5px;color:#3A4048;max-width:42ch}
.prinzip-cell.dunkel p{color:#B9BEC9}
.prinzip-viz{margin-top:34px;width:100%;max-width:400px;height:auto}

/* ---------- Lösung ---------- */
.loesung-intro{margin-bottom:60px}
.loesung-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
@media(max-width:900px){.loesung-grid{grid-template-columns:1fr}}
.loesung-karte{
  background:var(--karte);border:1px solid var(--linie);
  padding:38px 32px;
}
.loesung-karte .glyph{margin-bottom:26px;height:52px}
.loesung-karte h3{
  font-family:var(--serif);font-weight:400;font-size:24px;margin-bottom:12px;
}
.loesung-karte p{font-size:15px;color:#3A4048}
.loesung-fakt{
  margin-top:64px;background:var(--ink);color:var(--paper);
  padding:56px 48px;
  display:grid;grid-template-columns:1fr auto;gap:40px;align-items:center;
}
@media(max-width:820px){.loesung-fakt{grid-template-columns:1fr;padding:44px 32px}}
.loesung-fakt .zitat{
  font-family:var(--serif);font-weight:300;
  font-size:clamp(22px,3vw,30px);line-height:1.35;max-width:24ch;
}
.loesung-fakt .zitat em{color:var(--flieder);font-style:italic}
.fakt-detail{font-family:var(--mono);font-size:12px;letter-spacing:.16em;color:#6B7280;text-transform:uppercase}

/* ---------- Vier ---------- */
.vier{display:grid;grid-template-columns:auto 1fr;gap:70px;align-items:center}
@media(max-width:820px){.vier{grid-template-columns:1fr;gap:44px}}
.vier-viz{width:240px;height:240px}
@media(max-width:820px){.vier-viz{width:190px;height:190px}}
.vier-liste{list-style:none;margin-top:30px;max-width:560px}
.vier-liste li{
  padding:16px 0;border-bottom:1px solid var(--linie);
  display:flex;gap:18px;align-items:baseline;font-size:16px;
}
.vier-liste li:first-child{border-top:1px solid var(--linie)}
.vier-liste .dot{
  width:11px;height:11px;background:var(--blau);border-radius:50%;
  flex-shrink:0;transform:translateY(1px);
}
.vier-liste li:last-child .dot{background:var(--rausch)}
.vier-liste strong{font-weight:600}

/* ---------- Kontakt ---------- */
.kontakt{background:var(--blau);border-bottom:none;color:#fff}
.kontakt .kicker{color:#C9D2FF}
.kontakt h2{color:#fff;max-width:680px}
.kontakt .lede{color:#C9D2FF}
.kontakt-mail{
  display:inline-block;margin-top:38px;
  font-family:var(--serif);font-size:clamp(24px,3.6vw,40px);
  color:#fff;text-decoration:none;
  border-bottom:3px solid rgba(255,255,255,.4);
  padding-bottom:6px;transition:border-color .15s;
}
.kontakt-mail:hover{border-color:#fff}
.kontakt-meta{
  margin-top:44px;font-family:var(--mono);font-size:12.5px;
  letter-spacing:.14em;text-transform:uppercase;color:#C9D2FF;
}

/* ---------- Footer ---------- */
footer{padding:52px 0;background:var(--ink);color:var(--grau)}
.footer-inner{
  display:flex;justify-content:space-between;align-items:center;
  flex-wrap:wrap;gap:22px;
}
.footer-brand{display:flex;align-items:center;gap:10px}
.footer-brand .brand-word{color:var(--paper);font-size:21px}
.footer-links{display:flex;gap:26px;list-style:none;flex-wrap:wrap}
.footer-links a{font-size:14px;text-decoration:none;color:var(--grau)}
.footer-links a:hover{color:var(--paper)}
.footer-copy{font-family:var(--mono);font-size:11.5px;letter-spacing:.08em;width:100%;margin-top:8px}

/* ---------- Rechtsseiten ---------- */
.legal{padding:118px 0 90px;min-height:70vh}
.legal h1{
  font-family:var(--serif);font-weight:400;
  font-size:clamp(36px,5vw,54px);margin-bottom:14px;letter-spacing:-.01em;
}
.legal h2{font-size:23px;margin:44px 0 12px;max-width:none}
.legal p, .legal address{font-size:16px;color:#3A4048;max-width:680px;font-style:normal;margin-bottom:12px}
.legal a{color:var(--blau)}
.legal .hinweis{
  margin-top:52px;padding:20px 24px;background:var(--karte);
  border:1px solid var(--linie);font-size:13.5px;color:var(--grau);max-width:680px;
}

/* ---------- Mobile ---------- */
@media(max-width:640px){
  .wrap{padding:0 20px}
  .nav-inner{padding:14px 20px}
  section{padding:76px 0}
  .hero{padding-top:78px}
  .hero-sub{margin-top:22px}
  .hero-actions{margin-top:30px}
  .btn{padding:14px 26px;font-size:15px}
  .hero-foot{bottom:22px}
  .prinzip-cell{padding:34px 24px}
  .loesung-intro{margin-bottom:42px}
  .loesung-karte{padding:30px 24px}
  .loesung-fakt{margin-top:48px;padding:38px 26px}
  .legal{padding:104px 0 64px}
  .legal h2{margin:36px 0 10px}
  footer{padding:42px 0}
}

/* ---------- Scroll-Reveal ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}
.reveal.sichtbar{opacity:1;transform:none}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
}