/* =====================================================================
   SCHRIFTEN — bewusst keine Webfonts.
   Alles läuft über Schriften, die auf dem Gerät bereits vorhanden sind.
   Dadurch werden keinerlei Daten an Dritte übertragen: die Seite bleibt
   cookie- und drittanbieterfrei und braucht kein Consent-Banner.
   Nichts nachzuladen heißt außerdem: kein Font-Flackern beim Aufbau.
   ===================================================================== */

:root{
  --paper:#FFFFFF;
  --paper-2:#F3F4EE;
  --ink:#14180F;
  --ink-60:#5C6351;
  --rail:#D9DCCD;
  --lime:#CDEB45;
  --forest:#1B2917;
  --clay:#A2703A;

  --font-sans:"Helvetica Neue",Helvetica,Arial,"Liberation Sans",sans-serif;
  --font-mono:ui-monospace,"SF Mono",SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;

  --mark-vein:#1B2917;
  --r-card:28px;
  --r-pill:999px;
  --col:940px;

  /* Hero-Foto. Austauschbar – Bildausschnitt über --hero-pos steuern. */
  --hero: url("/hero_ith_gas.webp");
  --hero-pos: center 55%;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--font-sans);font-size:17px;line-height:1.62;
  -webkit-font-smoothing:antialiased;
}
.wrap{max-width:var(--col);margin:0 auto;padding:0 22px}
.page-top{padding-top:34px}
a{color:inherit}

h1,h2,h3{font-family:var(--font-sans);font-weight:700;letter-spacing:-.021em;line-height:1.04;margin:0}
.mono{font-family:var(--font-mono);font-size:12px;letter-spacing:.09em;text-transform:uppercase}

.brandmark{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none}
.brandmark svg{width:26px;height:26px;flex:none}
.brandmark b{font-family:var(--font-sans);font-size:13.5px;letter-spacing:.04em;line-height:1.05;text-transform:uppercase}

/* ---------- Hero ---------- */
.hero{
  position:relative;border-radius:var(--r-card);overflow:hidden;
  background-image:var(--hero);background-size:cover;background-position:var(--hero-pos);
  color:#fff;min-height:min(620px,80vh);display:flex;flex-direction:column;
  padding:26px 30px 28px;isolation:isolate;
}
.hero::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:
    linear-gradient(180deg,rgba(9,17,7,.42) 0%,rgba(9,17,7,.10) 16%,rgba(9,17,7,0) 30%),
    linear-gradient(180deg,rgba(9,17,7,0) 14%,rgba(9,17,7,.30) 40%,rgba(9,17,7,.62) 62%,rgba(9,17,7,.84) 82%,rgba(9,17,7,.93) 100%);
}
.hero-nav{display:flex;align-items:center;gap:28px;padding-bottom:16px;border-bottom:1px solid rgba(255,255,255,.35);text-shadow:0 1px 12px rgba(9,17,7,.5)}
.hero-nav .brandmark{color:#fff}
.hero-nav ul{display:flex;gap:24px;list-style:none;margin:0 0 0 auto;padding:0;font-size:14px}
.hero-nav a{text-decoration:none;opacity:.85;transition:opacity .2s}
.hero-nav a:hover{opacity:1}
.nav-cta{
  background:var(--lime);color:var(--ink)!important;opacity:1!important;
  padding:10px 22px;border-radius:var(--r-pill);font-weight:500;
}
.hero-body{margin-top:auto;padding-top:110px}
.hero h1{font-size:clamp(2.25rem,6vw,3.8rem);max-width:14ch;letter-spacing:-.028em;text-wrap:balance;text-shadow:0 2px 34px rgba(9,17,7,.5)}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.cta{
  display:inline-flex;align-items:center;gap:16px;
  background:#fff;color:var(--ink);text-decoration:none;
  padding:9px 9px 9px 26px;border-radius:var(--r-pill);
  font-family:var(--font-sans);font-weight:600;font-size:17px;
  transition:transform .25s ease;
}
.cta span{
  width:38px;height:38px;border-radius:50%;background:var(--lime);
  display:grid;place-items:center;transition:transform .25s ease;
}
.cta:hover{transform:translateY(-2px)}
.cta:hover span{transform:translateX(3px)}
.cta-ghost{
  background:rgba(255,255,255,.1);color:#fff;
  border:1px solid rgba(255,255,255,.4);backdrop-filter:blur(6px);
}
.cta-ghost span{background:transparent;border:1px solid rgba(255,255,255,.4);color:#fff}
.cta-ghost:hover span{transform:none;background:rgba(255,255,255,.16)}
.hero-foot{
  display:flex;justify-content:space-between;align-items:flex-end;gap:24px;
  margin-top:54px;font-size:14px;line-height:1.45
}
.hero-foot p{margin:0;max-width:34ch;color:#fff;opacity:.92}
.hero-foot a{color:#fff;text-decoration:none;opacity:.92;white-space:nowrap}

/* ---------- Sektionen ---------- */
section{padding:88px 0 0}
.eyebrow{color:var(--ink-60);display:flex;align-items:center;gap:12px;margin-bottom:20px}
.eyebrow::after{content:"";height:1px;flex:1;background:var(--rail)}
h2{font-size:clamp(1.7rem,3.6vw,2.5rem);max-width:20ch;margin-bottom:22px}
.lead{font-size:20px;line-height:1.55;max-width:60ch}
p{max-width:66ch;color:#2A2F23}
.two{display:grid;grid-template-columns:1fr 1fr;gap:34px;margin-top:26px}
.two p{margin:0}

/* ---------- Kreislauf (Signature) ---------- */
.cycle{position:relative;margin-top:38px;padding-left:0}
.cycle::before{
  content:"";position:absolute;left:21px;top:22px;bottom:78px;width:2px;background:var(--rail);
}
.step{display:grid;grid-template-columns:44px 1fr;gap:26px;padding:0 0 34px}
.num{
  width:44px;height:44px;border-radius:50%;background:var(--paper);
  border:2px solid var(--rail);display:grid;place-items:center;
  font-family:var(--font-mono);font-size:13px;color:var(--ink);position:relative;z-index:1;
}
.step:hover .num{border-color:var(--lime);background:var(--lime)}
.step h3{font-size:19px;letter-spacing:-.02em;margin-bottom:6px;padding-top:9px}
.step p{margin:0;font-size:16px;color:var(--ink-60);max-width:52ch}
.loop{display:grid;grid-template-columns:44px 1fr;gap:26px;align-items:center;color:var(--clay)}
.loop svg{width:44px;height:78px;overflow:visible;margin-top:-34px;flex:none}
.loop .mono{color:var(--clay)}

/* ---------- Kontakt / Linktree ---------- */
.links{display:flex;flex-direction:column;gap:12px;margin-top:30px}
.link{
  display:flex;align-items:center;gap:20px;text-decoration:none;
  background:var(--paper-2);border-radius:var(--r-pill);
  padding:18px 18px 18px 30px;transition:background .2s ease,transform .2s ease;
}
.link:hover{background:#EAEDE0;transform:translateY(-2px)}
.link .lbl{font-family:var(--font-sans);font-weight:600;font-size:17px}
.link .val{color:var(--ink-60);font-size:15px;margin-left:auto;text-align:right}
.link .arw{
  width:40px;height:40px;border-radius:50%;background:var(--paper);
  display:grid;place-items:center;flex:none;transition:background .2s ease
}
.link:hover .arw{background:var(--lime)}

/* ---------- Footer ---------- */
footer{margin-top:96px;border-top:1px solid var(--rail);padding:28px 0 48px}
.foot-row{display:flex;justify-content:space-between;align-items:baseline;gap:20px;flex-wrap:wrap}
.foot-row .mono{color:var(--ink-60)}
.foot-nav{display:flex;gap:22px;flex-wrap:wrap}
.foot-nav a{font-family:var(--font-mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--ink-60);text-decoration:none;padding-bottom:2px;border-bottom:1px solid transparent}
.foot-nav a:hover{color:var(--ink);border-bottom-color:var(--lime)}

/* ---------- Rechtsseiten ---------- */
.pagehead{display:flex;justify-content:space-between;align-items:center;gap:20px;
  padding:30px 0 26px;border-bottom:1px solid var(--rail)}
.pagehead .brandmark{color:var(--ink);--mark-vein:#FFFFFF}
.pagehead a.back{font-family:var(--font-mono);font-size:12px;letter-spacing:.1em;
  text-transform:uppercase;color:var(--ink-60);text-decoration:none}
.pagehead a.back:hover{color:var(--ink)}
.doc{padding-top:52px;max-width:70ch}
.doc h1{font-size:clamp(2rem,4.6vw,3rem);margin-bottom:10px}
.doc .stamp{color:var(--ink-60);margin-bottom:44px}
.doc h2{font-size:clamp(1.25rem,2.4vw,1.6rem);margin:52px 0 14px;max-width:34ch}
.doc h3{font-family:var(--font-sans);font-size:17px;letter-spacing:-.02em;margin:30px 0 8px}
.doc p{margin:0 0 16px}
.doc ul{margin:0 0 18px;padding-left:20px}
.doc li{margin-bottom:7px;color:#2A2F23}
.doc a{color:inherit;text-decoration:none;border-bottom:1px solid var(--rail)}
.doc a:hover{border-bottom-color:var(--lime)}
.datablock{font-family:var(--font-mono);font-size:13.5px;line-height:1.85;
  background:var(--paper-2);border-radius:18px;padding:24px 28px;margin:0 0 22px}
.doc .note{border-left:3px solid var(--lime);padding:2px 0 2px 18px;color:var(--ink-60);
  font-size:15px;margin:22px 0 26px}

/* ---------- Reveal ---------- */
.rv{opacity:0;transform:translateY(14px);transition:opacity .6s ease,transform .6s ease}
.rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .rv{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
  *{transition:none!important}
}
:focus-visible{outline:3px solid var(--clay);outline-offset:3px;border-radius:6px}

@media (max-width:760px){
  body{font-size:16px}
  .hero{
    padding:20px 20px 24px;border-radius:22px;min-height:82vh;
    /* Hochformat: Bild groesser skalieren und von unten ausrichten,
       damit die Anlage oberhalb der Headline sichtbar bleibt */
    background-size:auto 135%;background-position:37% 100%;
  }
  .hero-nav ul li:not(:last-child){display:none}
  .hero-nav{gap:12px}
  .hero-body{padding-top:60px}
  .cta-row{flex-direction:column;align-items:stretch;gap:10px}
  .cta{justify-content:space-between;font-size:16px}
  .hero-foot{flex-direction:column;align-items:flex-start;gap:14px;margin-top:34px}
  section{padding-top:62px}
  .lead{font-size:18px}
  .two{grid-template-columns:1fr;gap:20px}
  .doc{padding-top:34px}
  .pagehead{padding:22px 0 20px}
  .link{flex-wrap:wrap;padding-left:24px;gap:10px 14px}
  .link .arw{margin-left:auto}
  .link .val{margin-left:0;width:100%;text-align:left;order:3}
}