/* ==========================================================================
   Steplet — steplet.ch
   Aufbau: Tokens → Basis → Layout → Komponenten → Seiten → Motion → Responsive
   Schriften: Systemstack (bewusst kein Font-Hosting Dritter, siehe Datenschutz)
   ========================================================================== */

/* --- 1. Design-Tokens ---------------------------------------------------- */
:root{
  /* Farben */
  --navy:#1a2942;
  --navy-deep:#141f33;
  --green:#0ec44a;
  --teal:#0f6e56;
  --teal-dark:#0c5c47;
  --teal-bright:#1d9e75;
  --mint:#e1f5ee;
  --mint-soft:#eef8f4;
  --sand:#faf3e6;
  --sand-deep:#f5e9d2;
  --bg:#f7f9fc;
  --card:#ffffff;
  --text:#1a2942;
  --text-2:#5c6b80;
  --text-inverse:#eef2f8;
  --text-inverse-2:#9fb0c8;
  --border:#e4e9f0;
  --border-strong:#d3dbe6;

  /* Typografie — fluide Skala */
  --fs-900:clamp(1.9rem, 4.6vw + .6rem, 2.9rem);   /* Hero-H1 */
  --fs-800:clamp(1.65rem, 3vw + .6rem, 2.15rem);   /* Seiten-H1 / Sektions-H2 */
  --fs-700:clamp(1.35rem, 1.6vw + .7rem, 1.65rem); /* grosse H3 */
  --fs-600:1.3rem;
  --fs-500:1.1rem;
  --fs-400:1rem;
  --fs-300:.9rem;
  --fs-200:.8rem;
  --lh-tight:1.18;
  --lh-normal:1.65;

  /* Geometrie & Effekte */
  --radius-s:10px;
  --radius-m:16px;
  --radius-l:24px;
  --shadow-s:0 1px 2px rgba(26,41,66,.06), 0 4px 12px rgba(26,41,66,.05);
  --shadow-m:0 6px 18px rgba(26,41,66,.09), 0 2px 5px rgba(26,41,66,.05);
  --shadow-l:0 24px 55px rgba(26,41,66,.18);
  --ease-out:cubic-bezier(.22,1,.36,1);
  --ease-spring:cubic-bezier(.34,1.4,.64,1);

  --max:1080px;
}

/* --- 2. Basis ------------------------------------------------------------ */
*{box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:clip}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:var(--lh-normal);
  font-size:var(--fs-400);
  -webkit-font-smoothing:antialiased;
  overflow-x:clip;
}
body.nav-open{overflow:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--teal);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{line-height:var(--lh-tight);margin:0 0 .5em;letter-spacing:-.01em}
h1{font-size:var(--fs-800);font-weight:750}
h2{font-size:var(--fs-800);font-weight:750}
h3{font-size:var(--fs-600);font-weight:650}
p{margin:0 0 1em}
figure{margin:0}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}

:focus-visible{outline:2px solid var(--teal-bright);outline-offset:3px;border-radius:4px}
::selection{background:var(--mint);color:var(--teal-dark)}

.skip-link{
  position:absolute;left:-9999px;top:0;z-index:200;
  background:var(--navy);color:#fff;padding:12px 20px;border-radius:0 0 var(--radius-s) 0;
  font-weight:600;
}
.skip-link:focus-visible{left:0}

/* Icon-System — Linien-Icons, erben ihre Farbe */
.icon{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}

/* --- 3. Header & Navigation ---------------------------------------------- */
.site-header{
  /* z-index hoeher als .nav-backdrop (59): nav.main-nav liegt als Kind von
     .site-header in dessen Stacking-Context, ihr eigener z-index (60) zaehlt
     also nur INNERHALB des Headers. Waere .site-header selbst niedriger als
     der Backdrop gestapelt, legte sich der Backdrop ueber das ganze Menu. */
  position:sticky;top:0;z-index:65;
  border-bottom:1px solid transparent;
  transition:border-color .3s ease, box-shadow .3s ease;
  padding-left:env(safe-area-inset-left);padding-right:env(safe-area-inset-right);
}
/* Blur sitzt auf einem Pseudo-Element statt auf .site-header selbst: sonst wird
   der Header (via backdrop-filter) zum Containing Block fuer position:fixed-
   Kinder wie das Mobile-Nav-Panel, das dann im Header eingesperrt bleibt. */
.site-header::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:rgba(247,249,252,.9);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
}
.site-header.scrolled{border-bottom-color:var(--border);box-shadow:0 2px 14px rgba(26,41,66,.06)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:750;font-size:19px;color:var(--navy)}
.brand img{width:34px;height:34px;border-radius:8px}
.brand:hover{text-decoration:none}

nav.main-nav{display:flex;gap:4px;align-items:center}
nav.main-nav a{
  color:var(--text);font-size:15px;font-weight:550;
  padding:9px 12px;border-radius:9px;
  transition:background .2s var(--ease-out), color .2s var(--ease-out);
}
nav.main-nav a:hover{background:var(--mint-soft);color:var(--teal-dark);text-decoration:none}
nav.main-nav a.active{color:var(--teal-dark);background:var(--mint)}
nav.main-nav .btn{margin-left:10px}
.nav-close{display:none}

.nav-toggle{
  display:none;background:none;border:none;cursor:pointer;color:var(--navy);
  width:44px;height:44px;align-items:center;justify-content:center;border-radius:10px;
}
.nav-toggle .icon{width:24px;height:24px}
.nav-backdrop{
  position:fixed;inset:0;z-index:59;background:rgba(20,31,51,.4);
  opacity:0;pointer-events:none;transition:opacity .3s ease;
}
body.nav-open .nav-backdrop{opacity:1;pointer-events:auto}

/* --- 4. Buttons ----------------------------------------------------------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;min-height:46px;
  border-radius:12px;font-weight:650;font-size:15px;
  border:none;cursor:pointer;text-align:center;
  transition:transform .25s var(--ease-spring), box-shadow .25s var(--ease-out),
             background .2s ease, border-color .2s ease;
}
.btn:hover{text-decoration:none;transform:translateY(-2px)}
.btn:active{transform:translateY(0);transition-duration:.08s}
.btn-primary{background:var(--teal);color:#fff;box-shadow:0 2px 8px rgba(15,110,86,.25)}
.btn-primary:hover{background:var(--teal-dark);box-shadow:0 8px 20px rgba(15,110,86,.3)}
.btn-outline{background:transparent;color:var(--teal-dark);border:1.5px solid var(--teal)}
.btn-outline:hover{background:var(--mint-soft)}
.btn-lg{padding:15px 30px;font-size:16.5px;border-radius:14px}

/* --- 5. Sektionen & Rhythmus ---------------------------------------------- */
main{display:block}
section{padding:64px 0}
section.tight-top{padding-top:0}
section.tight-bottom{padding-bottom:0}
.band{border-top:1px solid transparent;border-bottom:1px solid transparent}
.band-mint{background:linear-gradient(180deg,var(--mint-soft),#f2faf7 55%,var(--bg));}
.band-sand{background:linear-gradient(178deg,var(--sand) 0%,#fdf9f0 70%,var(--bg))}

.section-head{max-width:640px;margin:0 auto 42px;text-align:center}
.section-head.left{text-align:left;margin-left:0}
.eyebrow{
  display:inline-block;color:var(--teal-dark);font-weight:700;font-size:12.5px;
  letter-spacing:.12em;text-transform:uppercase;margin-bottom:10px;
}
.section-head p{color:var(--text-2);font-size:var(--fs-500);margin-bottom:0}
.badge{
  display:inline-flex;align-items:center;gap:7px;
  background:var(--mint);color:var(--teal-dark);font-size:13px;font-weight:650;
  padding:6px 14px;border-radius:999px;margin-bottom:18px;
}
.badge::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--green)}

/* --- 6. Hero --------------------------------------------------------------- */
.hero{padding:52px 0 56px;overflow:hidden}
.hero .wrap{display:flex;align-items:center;gap:56px;flex-wrap:wrap}
.hero-copy{flex:1 1 400px;min-width:280px}
.hero h1{font-size:var(--fs-900);margin-bottom:.45em}
.hero .lead{font-size:var(--fs-500);color:var(--text-2);max-width:520px}
.cta-row{display:flex;gap:14px;margin-top:26px;flex-wrap:wrap}

.hero-visual{position:relative;flex:1 1 440px;min-width:280px;padding:30px 22px 46px}
.hero-visual .blob{position:absolute;inset:0;z-index:0;width:100%;height:100%}
.hero-photo{
  position:relative;z-index:1;border-radius:var(--radius-l);overflow:hidden;
  box-shadow:var(--shadow-l);
}
.hero-photo img{width:100%}
.hero-tag{
  position:absolute;z-index:2;background:#fff;border-radius:50%;
  width:58px;height:58px;display:flex;align-items:center;justify-content:center;
  box-shadow:0 12px 26px rgba(26,41,66,.22);
  animation:float 5.5s ease-in-out infinite;
}
.hero-tag .icon{width:25px;height:25px;color:var(--teal-dark);stroke-width:1.6}
.hero-tag.t1{top:4px;left:0;animation-delay:0s}
.hero-tag.t2{top:37%;right:0;animation-delay:1.6s}
.hero-tag.t3{bottom:16px;left:13%;animation-delay:3.1s}
@keyframes float{
  0%,100%{transform:translateY(0)}
  50%{transform:translateY(-7px)}
}

/* Vertrauens-Leiste */
.trust-bar{padding:16px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.trust-bar .wrap{display:flex;flex-wrap:wrap;gap:10px 30px;justify-content:center;font-size:13.5px;color:var(--text-2);font-weight:550}
.trust-item{display:inline-flex;align-items:center;gap:8px;padding:4px 0}
.trust-bar .icon{width:17px;height:17px;stroke-width:1.9}

/* --- 7. Karten & Grids ----------------------------------------------------- */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:22px}
.card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-m);
  padding:26px;
  transition:transform .3s var(--ease-out), box-shadow .3s var(--ease-out), border-color .3s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-m);border-color:var(--border-strong)}
.card h3{font-size:17.5px;margin-bottom:.4em}
.card p{color:var(--text-2);font-size:14.5px;margin:0}
.card.card-wide{grid-column:span 2}
.card.card-mint{background:linear-gradient(160deg,var(--mint) 0%,var(--mint-soft) 100%);border-color:#cfe9df}
.card.card-mint h3{color:var(--teal-dark)}

.icon-badge{
  width:46px;height:46px;border-radius:13px;background:var(--mint);color:var(--teal-dark);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
  transition:transform .3s var(--ease-spring), background .3s ease;
}
.card:hover .icon-badge{transform:scale(1.08) rotate(-3deg)}
.icon-badge .icon{width:24px;height:24px}

/* Drei Säulen */
.pillars{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:22px;margin-top:8px}
.pillar{text-align:center;padding:26px 22px}
.pillar .pi{
  width:58px;height:58px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  margin:0 auto 15px;transition:transform .3s var(--ease-spring);
}
.pillar:hover .pi{transform:scale(1.1)}
.pillar .pi .icon{width:26px;height:26px}
.pi.green{background:var(--mint);color:var(--teal-dark)}
.pi.orange{background:#fff1e8;color:#e64a19}
.pi.navy{background:#eaf0fa;color:var(--navy)}
.pillar p{color:var(--text-2);font-size:14.5px}

/* --- 8. Philosophie & Gründer ----------------------------------------------- */
.philosophy{
  background:linear-gradient(155deg,#eaf0fa,var(--bg) 65%);
  border:1px solid var(--border);border-radius:28px;padding:46px;
  display:flex;align-items:center;gap:44px;flex-wrap:wrap;
}
.philosophy .ph-text{flex:1 1 420px;min-width:280px}
.philosophy .ph-img{flex:0 0 250px;max-width:250px;margin:0 auto}
.philosophy h2{max-width:620px}
.philosophy p{color:var(--text-2);font-size:16px}
.philosophy p:last-of-type{margin-bottom:0}

.founder-note{
  display:flex;gap:26px;align-items:flex-start;flex-wrap:wrap;
  background:var(--card);border:1px solid var(--border);border-left:4px solid var(--teal);
  border-radius:var(--radius-m);padding:30px 34px;
}
.founder-note blockquote{margin:0;flex:1 1 380px}
.founder-note blockquote p{font-size:var(--fs-500);line-height:1.6;color:var(--text);margin-bottom:.7em}
.founder-note cite{font-style:normal;color:var(--text-2);font-size:14.5px}

/* --- 9. Phasen-Zeitleiste ---------------------------------------------------- */
.phase-timeline{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin:40px 0 8px}
.phase-timeline::before{
  content:"";position:absolute;top:7px;left:12.5%;right:12.5%;height:2px;
  background:linear-gradient(90deg,var(--teal-bright),var(--border-strong));
}
.phase-step{text-align:center;position:relative}
.phase-step .dot{
  width:15px;height:15px;border-radius:50%;background:var(--teal);margin:0 auto 13px;
  position:relative;z-index:1;box-shadow:0 0 0 5px var(--bg);
}
.band-mint .phase-step .dot{box-shadow:0 0 0 5px #f2faf7}
.phase-step .age{font-size:12px;color:var(--text-2);font-weight:650;letter-spacing:.04em}
.phase-step h4{font-size:16px;margin:5px 0 6px}
.phase-step p{font-size:13px;color:var(--text-2);margin:0}

/* Themen-Kacheln (Lernpfade) */
.topic-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:16px;margin-top:26px}
.topic-tile{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-m);
  padding:22px 16px;text-align:center;
  transition:transform .3s var(--ease-out), box-shadow .3s var(--ease-out);
}
.topic-tile:hover{transform:translateY(-4px);box-shadow:var(--shadow-m)}
.topic-tile img{width:58px;height:58px;margin:0 auto 12px}
.topic-tile h4{font-size:14.5px;margin:0;font-weight:600}

/* --- 10. Feature-Zeilen ------------------------------------------------------- */
.feature-row{display:flex;align-items:center;gap:52px;flex-wrap:wrap;padding:36px 0}
.feature-row.reverse{flex-direction:row-reverse}
.feature-row .fr-text{flex:1 1 380px;min-width:280px}
.feature-row .fr-img{flex:0 0 250px}
.feature-row .fr-img img{
  border-radius:20px;box-shadow:var(--shadow-l);border:1px solid var(--border);
  transition:transform .4s var(--ease-out);
}
.feature-row .fr-img:hover img{transform:scale(1.02) rotate(.4deg)}
.feature-row .fr-ill{flex:0 0 240px;max-width:240px;margin:0 auto}
.feature-row h3{display:flex;align-items:center;gap:11px;font-size:var(--fs-600)}
.feature-row h3 .icon{color:var(--teal-dark);width:24px;height:24px}
.feature-row p{color:var(--text-2)}
.feature-row ul{color:var(--text-2);padding-left:20px;margin:12px 0 0}
.feature-row li{margin-bottom:7px}
.feature-row li::marker{color:var(--teal-bright)}

/* Seiten-Hero (Unterseiten): Text + Foto nebeneinander, wie die Startseite, nur kompakter */
.page-hero{display:flex;align-items:center;gap:48px;flex-wrap:wrap;padding-top:6px}
.page-hero-copy{flex:1 1 380px;min-width:280px}
.page-hero .hero-visual{flex:1 1 420px;min-width:260px}

/* --- 11. Foto-Banner ------------------------------------------------------------ */
.photo-banner{position:relative;border-radius:var(--radius-l);overflow:hidden;box-shadow:var(--shadow-l)}
.photo-banner img{width:100%}
.photo-banner .pb-caption{
  position:absolute;left:0;right:0;bottom:0;
  padding:26px 30px 20px;
  background:linear-gradient(180deg,transparent,rgba(20,31,51,.72));
  color:#fff;font-size:15px;font-weight:550;
}
.photo-inline{border-radius:var(--radius-l);overflow:hidden;box-shadow:var(--shadow-m)}
.photo-inline img{width:100%}

/* --- 12. Download, Schritte, Modal ------------------------------------------------ */
.download-box{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-l);
  padding:42px 36px;text-align:center;box-shadow:var(--shadow-s);
}
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:22px;margin-top:8px}
.step-num{
  width:36px;height:36px;border-radius:50%;background:var(--teal);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;margin-bottom:12px;
  font-size:15px;
}

.modal-overlay{
  position:fixed;inset:0;background:rgba(20,31,51,.55);display:none;
  align-items:center;justify-content:center;padding:20px;z-index:100;
}
.modal-overlay.open{display:flex}
.modal-card{
  background:#fff;border-radius:var(--radius-m);max-width:420px;width:100%;padding:30px 28px;
  position:relative;animation:modal-in .35s var(--ease-out);
}
@keyframes modal-in{from{opacity:0;transform:translateY(14px) scale(.98)}to{opacity:1;transform:none}}
.modal-close{
  position:absolute;top:10px;right:10px;background:none;border:none;cursor:pointer;
  width:44px;height:44px;font-size:24px;color:var(--text-2);border-radius:10px;
}
.modal-close:hover{background:var(--bg)}
.modal-card h3{font-size:19px}
.modal-card p{color:var(--text-2);font-size:14px}
.modal-card label{font-size:13px;font-weight:650;display:block;margin-bottom:6px}
.modal-card input{
  width:100%;padding:13px 14px;min-height:48px;font-size:16px;
  border:1.5px solid var(--border-strong);border-radius:11px;
  text-transform:uppercase;letter-spacing:1px;margin-bottom:14px;
  transition:border-color .2s ease, box-shadow .2s ease;
}
.modal-card input:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 3px var(--mint)}
.modal-hint{font-size:12.5px;color:var(--text-2);margin-top:14px;line-height:1.55}

/* --- 13. FAQ ------------------------------------------------------------------------ */
details.faq{
  background:var(--card);border:1px solid var(--border);border-radius:14px;
  margin-bottom:12px;overflow:hidden;
  transition:border-color .25s ease, box-shadow .25s ease;
}
details.faq[open]{border-color:var(--border-strong);box-shadow:var(--shadow-s)}
details.faq summary{
  font-weight:650;cursor:pointer;list-style:none;
  display:flex;justify-content:space-between;align-items:center;gap:16px;
  padding:18px 20px;min-height:52px;
}
details.faq summary:hover{color:var(--teal-dark)}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary::after{
  content:"+";font-size:22px;color:var(--teal-dark);font-weight:400;flex-shrink:0;
  transition:transform .3s var(--ease-out);
}
details.faq[open] summary::after{transform:rotate(45deg)}
details.faq .faq-body{padding:0 20px 18px}
details.faq .faq-body p{color:var(--text-2);margin-bottom:.8em}
details.faq .faq-body p:last-child{margin-bottom:0}

/* --- 14. Rechtsseiten ------------------------------------------------------------------ */
.legal{max-width:760px;margin:0 auto;padding:48px 20px}
.legal h1{margin-bottom:.3em}
.legal h2{font-size:var(--fs-500);margin-top:36px}
.legal p,.legal li{color:var(--text-2);font-size:15px}
.legal .updated{font-size:13px;color:var(--text-2);margin-bottom:34px}
.legal table{width:100%;border-collapse:collapse;font-size:14px;margin:16px 0}
.legal th,.legal td{text-align:left;padding:9px 10px;border-bottom:1px solid var(--border);color:var(--text-2)}
.legal th{color:var(--text)}

/* --- 15. Footer -------------------------------------------------------------------------- */
footer{
  background:var(--navy);color:var(--text-inverse);
  padding:52px 0 34px;margin-top:72px;
  padding-bottom:calc(34px + env(safe-area-inset-bottom));
}
.footer-top{display:flex;flex-wrap:wrap;gap:36px;justify-content:space-between;align-items:flex-start}
.footer-brand{max-width:300px}
.footer-brand .brand{color:#fff;margin-bottom:10px}
.footer-brand p{color:var(--text-inverse-2);font-size:14px;margin:0}
.footer-links{display:flex;gap:8px 26px;flex-wrap:wrap;align-items:center}
.footer-links a{color:var(--text-inverse-2);font-size:14px;padding:8px 0;transition:color .2s ease}
.footer-links a:hover{color:#fff;text-decoration:none}
.footer-bottom{
  margin-top:36px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  color:var(--text-inverse-2);font-size:13px;
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
}

/* --- 16. Scroll-Reveal & Motion ------------------------------------------------------------ */
[data-reveal]{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease-out),transform .6s var(--ease-out)}
[data-reveal].in{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important}
  [data-reveal]{opacity:1;transform:none}
}

/* --- 17. Utilities & Layout-Helfer ----------------------------------------------------------
   Kleine, wiederverwendbare Bausteine. Lagen vorher als Inline-Styles verstreut
   auf den Unterseiten (Download, Kontakt, FAQ, Funktionen, Über uns). */
.split{display:flex;gap:40px;flex-wrap:wrap;align-items:stretch}
.split.split-top{align-items:flex-start}
.split>.col{flex:1 1 380px;min-width:280px}
.split>.col-wide{flex:1 1 540px;min-width:280px}
.split>.col-narrow{flex:1 1 300px;min-width:260px;max-width:360px}
.col-center{display:flex;flex-direction:column;justify-content:center}
.col-center.spaced{gap:18px}
.img-cover{height:100%;object-fit:cover}
.btn-block{width:100%}
.narrow{max-width:760px}
.lead-center{max-width:640px;margin:0 auto;text-align:center;color:var(--text-2)}
.feature-row .fr-diagram{flex:1 1 420px;min-width:280px}
.h-16{font-size:16px}
.mt-8{margin-top:8px}
.mt-18{margin-top:18px}
.mt-28{margin-top:28px}
.contact-mail{font-size:17px;font-weight:600}
.download-box h2{font-size:22px}
.download-box .box-note{color:var(--text-2);max-width:400px;margin:0 auto 22px}
.download-box .box-hint{font-size:13.5px;margin:18px 0 0}

/* --- 18. Responsive -------------------------------------------------------------------------- */
@media (max-width:900px){
  .card.card-wide{grid-column:span 1}
}

@media (max-width:760px){
  section{padding:48px 0}
  footer{margin-top:52px}

  /* Mobile-Navigation: Panel von rechts */
  nav.main-nav{
    position:fixed;top:0;right:0;bottom:0;z-index:60;
    width:min(320px, 86vw);
    background:var(--card);
    flex-direction:column;align-items:stretch;gap:4px;
    padding:76px 22px calc(24px + env(safe-area-inset-bottom));
    transform:translateX(105%);transition:transform .35s var(--ease-out);
    box-shadow:-16px 0 44px rgba(20,31,51,.16);
    overflow-y:auto;
  }
  body.nav-open nav.main-nav{transform:translateX(0)}
  nav.main-nav a{font-size:17px;padding:13px 14px;min-height:48px;display:flex;align-items:center}
  nav.main-nav .btn{margin:14px 0 0;width:100%}
  .nav-toggle{display:flex}
  .nav-close{
    display:flex;position:absolute;top:14px;right:14px;
    width:44px;height:44px;align-items:center;justify-content:center;
    background:none;border:none;cursor:pointer;color:var(--navy);border-radius:10px;
  }
  .nav-close .icon{width:22px;height:22px}

  /* Hero mobil: kompaktes Bild, Badges kleiner */
  .hero{padding:36px 0 44px}
  .hero .wrap{gap:34px}
  .hero-visual{padding:18px 12px 30px;flex-basis:100%}
  .hero-tag{width:48px;height:48px}
  .hero-tag .icon{width:21px;height:21px}
  .cta-row .btn{flex:1 1 auto}

  .philosophy{padding:30px 24px}
  .founder-note{padding:24px 22px}
  .feature-row,.feature-row.reverse{flex-direction:column;gap:26px;padding:28px 0}
  .feature-row .fr-img{flex-basis:auto;max-width:340px}
  .photo-banner .pb-caption{padding:18px 18px 14px;font-size:13.5px}
  .download-box{padding:32px 22px}

  .phase-timeline{grid-template-columns:1fr 1fr;row-gap:30px}
  .phase-timeline::before{display:none}

  .footer-top{flex-direction:column;gap:26px}
}

@media (max-width:430px){
  .wrap{padding:0 16px}
  .hero h1{letter-spacing:-.02em}
  .grid{gap:16px}
  .card{padding:22px 20px}
  .topic-grid{grid-template-columns:1fr 1fr}
}