:root{
  --bg: #ffffff;
  --fg: #071015;
  --muted: rgba(7,16,21,0.62);
  --line: rgba(7,16,21,0.10);
  --shadow: 0 22px 70px rgba(7,16,21,0.12);

  --a1: #10b981;
  --a2: #14b8a6;
  --a3: #22c55e;

  --radius: 18px;
  --radius-sm: 14px;
  --max: 1120px;
  --topbar-h: 76px;
  --hl-line: 52px;
  --hl-item: calc(var(--hl-line) * 1.6);
}

*{ box-sizing: border-box; }
html, body{ height: 100%; }
body{
  position: relative;
  z-index: 1;
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--fg);
  background: transparent; /* wichtig */
  padding-top: var(--topbar-h);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

section[id]{
  scroll-margin-top: calc(var(--topbar-h) + 14px);
}

img{ max-width: 100%; display: block; }
a{ color: inherit; text-decoration: none; }
a:hover{ text-decoration: underline; text-underline-offset: 3px; }

.container{
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
}

.skip{
  position: absolute;
  left: -999px;
  top: 10px;
  background: var(--fg);
  color: var(--bg);
  padding: 10px 12px;
  border-radius: 10px;
}
.skip:focus{ left: 10px; z-index: 999; }

html::before{
  content:"";
  position: fixed;
  inset: -60px;
  background:
    radial-gradient(900px 520px at 18% 34%, rgba(16,185,129,0.12), transparent 62%),
    radial-gradient(820px 520px at 84% 42%, rgba(20,184,166,0.10), transparent 60%),
    radial-gradient(760px 540px at 55% 92%, rgba(34,197,94,0.07), transparent 62%);
  pointer-events: none;
  z-index: 0;
}


/* Header / Nav */
.site-header{
  position: relative;
  background: transparent;
  border-bottom: 0;
}

.topbar{
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;

  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);

  border-bottom: 1px solid rgba(7,16,21,0.08);

  /* professioneller Shadow */
  box-shadow:
    0 10px 30px rgba(7,16,21,0.06),
    0 1px 0 rgba(255,255,255,0.6) inset;
}


.topbar.is-scrolled{
  background: rgba(255,255,255,0.9);
  border-bottom-color: rgba(7,16,21,0.10);

  box-shadow:
    0 14px 40px rgba(7,16,21,0.10),
    0 1px 0 rgba(255,255,255,0.7) inset;
}



.site-header--hero{ position: relative; overflow: hidden; }
.site-header--hero::before,
.site-header--hero::after{ content:""; position:absolute; inset:0; background:none; pointer-events:none; }

.nav{
  display: flex;
  align-items: center;
  justify-content: space-between;

  padding: 14px 0; /* vorher 18px 0 */
  position: relative;
  z-index: 2;
}


.brand{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  letter-spacing: -0.02em;
}
.brand img{ border-radius: 8px; }

.nav-links{
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 14px;
  color: var(--muted);
}
.nav-links a{ padding: 8px 10px; border-radius: 10px; }
.nav-links a:hover{
  background: rgba(16,185,129,0.08);
  text-decoration: none;
  color: var(--fg);
}

.nav-toggle{
  display: none;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.75);
  backdrop-filter: blur(10px);
  border-radius: 12px;
  padding: 10px 12px;
}
.nav-toggle-bars{
  display: block;
  width: 18px; height: 12px;
  position: relative;
}
.nav-toggle-bars::before,
.nav-toggle-bars::after{
  content:"";
  position:absolute;
  left:0; right:0;
  height:2px;
  background: var(--fg);
  border-radius: 2px;
}
.nav-toggle-bars::before{ top: 1px; }
.nav-toggle-bars::after{ bottom: 1px; }

/* Buttons */
.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border-radius: 999px;
  padding: 12px 16px;
  font-weight: 600;
  font-size: 14px;
  border: 1px solid var(--line);
  background: transparent;
  text-decoration: none;
  cursor: pointer;
}
.btn:hover{ text-decoration: none; }

.btn-primary{
  color: #062015;
  border-color: rgba(16,185,129,0.40);
  background: linear-gradient(135deg, rgba(16,185,129,0.26), rgba(20,184,166,0.20));
}
.btn-primary:hover{ filter: brightness(0.98); }

/* Hero (fullscreen) */
.hero{
  min-height: calc(100svh - var(--topbar-h));
  padding: 0 0 34px;
  position: relative;
  z-index: 2;

  display: grid;
  align-content: center;
}

@supports not (height: 100svh){
  .hero{ min-height: calc(100vh - var(--topbar-h)); }
}

.hero--center{
  text-align: center;
  display: grid;
  justify-items: center;
}

.sr-only{
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}


.eyebrow{
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 0.02em;
}

/* Headline roller (3 Zeilen sichtbar, oben/unten ausgeblendet) */
.hero-title{
  font-size: clamp(48px, 4vw, 62px);
  display: grid;
  place-items: center;
  text-align: center;
}

.headline-roller{
  width: 100%;
  display: grid;
  place-items: center;
}

/* Viewport zeigt genau 3 Zeilen */
.headline-roller__viewport{
  width: 100%;
  max-width: 26ch;              /* optional: macht's optisch ruhig */
  height: calc(var(--hl-item) * 3);
  overflow: hidden;

  -webkit-mask-image: linear-gradient(
    to bottom,
    transparent 8%,
    rgba(0,0,0,0.04) 10%,
    rgba(0,0,0,0.1) 15%,
    rgba(0,0,0,0.3) 20%,
    rgba(0,0,0,0.85) 35%,
    #000 50%,
    #000 50%,
    rgba(0,0,0,0.85) 65%,
    rgba(0,0,0,0.3) 80%,
    rgba(0,0,0,0.1) 85%,
    rgba(0,0,0,0.04) 90%,
    transparent 92%
  );
  mask-image: linear-gradient(
    to bottom,
    transparent 8%,
    rgba(0,0,0,0.04) 10%,
    rgba(0,0,0,0.1) 15%,
    rgba(0,0,0,0.3) 20%,
    rgba(0,0,0,0.85) 35%,
    #000 50%,
    #000 50%,
    rgba(0,0,0,0.85) 65%,
    rgba(0,0,0,0.3) 80%,
    rgba(0,0,0,0.1) 85%,
    rgba(0,0,0,0.04) 90%,
    transparent 92%
  );

}

/* Liste bewegt sich vertikal */
.headline-roller__list{
  margin: 0;
  padding: 0;
  list-style: none;
  transform: translateY(0); /* Start: 2. Element ist "current" */
  transition: transform 560ms ease;
  will-change: transform;
}

.headline-roller__item{
  height: var(--hl-item);
  display: flex;
  align-items: center;     /* zentriert 1-zeilige Titel vertikal im 2-zeiligen Slot */
  justify-content: center;
  text-align: center;

  padding: 0 12px;         /* verhindert harte Kanten beim Umbruch */
  line-height: 1.08;       /* echte Text-Lineheight, NICHT var(--hl-line) */
  white-space: normal;     /* erlaubt 2 Zeilen */
  word-break: normal;
  overflow-wrap: anywhere; /* falls mal sehr lang */
}

.headline-roller__item{
  opacity: 1;
  transform: none;
}


/* Fallback: wenn mask nicht supported (rare), hilft trotzdem viewport overflow */
@supports not (mask-image: linear-gradient(#000, #000)){
  .headline-roller__viewport{
    position: relative;
  }
  .headline-roller__viewport::before,
  .headline-roller__viewport::after{
    content:"";
    position:absolute;
    left:0; right:0;
    height: 22%;
    pointer-events:none;
    z-index: 2;
  }
  .headline-roller__viewport::before{
    top:0;
    background: linear-gradient(to bottom, rgba(255,255,255,1), rgba(255,255,255,0));
  }
  .headline-roller__viewport::after{
    bottom:0;
    background: linear-gradient(to top, rgba(255,255,255,1), rgba(255,255,255,0));
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce){
  .headline-roller__list{
    transition: none;
  }
}



/* Reduced motion */
@media (prefers-reduced-motion: reduce){
  .headline-roller__list{
    transition: none;
  }
}


.lead{
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 16px;
  max-width: 62ch;
}

.cta-row{
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 10px;
}

.support-strip{
  margin-top: 20px;
  padding: 10px 0 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--muted);
  font-size: 13px;
  width: min(720px, 100%);
  border-top: 1px solid rgba(7,16,21,0.10);
}
.support-dot{
  width: 6px; height: 6px; border-radius: 999px;
  background: rgba(20,184,166,0.45);
}

@keyframes bob{
  0%,100%{ transform: translateY(-2px); opacity: 0.75; }
  50%{ transform: translateY(4px); opacity: 1; }
}

.section{ padding: 76px 0; background: transparent; }

.reveal{
  opacity: 0;
  transform: translateY(18px);
  filter: blur(1px);
  transition: opacity 700ms ease, transform 700ms ease, filter 700ms ease;
  will-change: opacity, transform;
}

.reveal.is-visible{
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
}

.section-head{
  display: grid;
  gap: 10px;
  margin: 0 auto 26px;
  text-align: center;
  justify-items: center;
}
.section-head p{
  margin: 0;
  color: var(--muted);
  max-width: 70ch;
}
.section-head h2{
  margin: 0;
  font-size: 28px;
  letter-spacing: -0.03em;
}

/* Features */
.feature-grid{
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 24px;
}
.feature{
  border: 1px solid rgba(7,16,21,0.10);
  border-radius: var(--radius);
  padding: 18px;
  background: rgba(255,255,255,0.70);
  backdrop-filter: blur(10px);
  text-align: center;
}
.feature h3{ margin: 0 0 6px; font-size: 16px; letter-spacing: -0.02em; }
.feature p{ margin: 0; color: var(--muted); font-size: 14px; }

/* Product lower */
.product-lower{
  display: grid;
  grid-template-columns: 1fr 0.9fr;
  gap: 18px;
  margin-top: 22px;
  align-items: start;
}
.how{ text-align: center; }
.split-title{ margin: 0 0 10px; font-size: 16px; letter-spacing: -0.02em; }

.prototype .panel{
  border: 1px solid rgba(20,184,166,0.22);
  border-radius: var(--radius);
  background: rgba(255,255,255,0.78);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
  padding: 18px;
}

/* Prototype image */
.prototype-image{
  border-radius: var(--radius);
  background: rgba(255,255,255,0.75);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(20,184,166,0.22);
  box-shadow: var(--shadow);
  padding: 12px;
  text-align: center;
}

.prototype-image img{
  width: 100%;
  height: auto;
  border-radius: calc(var(--radius) - 6px);
  display: block;
}

.prototype-image .hint{
  margin-top: 10px;
  font-size: 12px;
  color: var(--muted);
}

.panel-top{ display:flex; justify-content:space-between; gap:10px; margin-bottom:14px; }
.chip{
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(20,184,166,0.25);
  background: rgba(20,184,166,0.08);
}
.chip-muted{
  color: var(--muted);
  border-color: rgba(7,16,21,0.10);
  background: rgba(7,16,21,0.03);
}

.panel-body{ display:grid; gap:12px; }
.mock-row{
  display:grid;
  grid-template-columns: 12px 1fr;
  gap: 12px;
  padding: 12px;
  border-radius: var(--radius-sm);
  background: rgba(20,184,166,0.06);
  border: 1px solid rgba(20,184,166,0.14);
}
.dot{ width:10px; height:10px; border-radius:999px; margin-top:5px; }
.dot-warn{ background: rgba(16,185,129,0.85); }
.dot-info{ background: rgba(20,184,166,0.70); }
.dot-ok{ background: rgba(7,16,21,0.22); }
.mock-title{ margin:0; font-weight:600; letter-spacing:-0.01em; }
.mock-sub{ margin:2px 0 0; color:var(--muted); font-size:13px; }

.panel-bottom{ margin-top:14px; padding-top:12px; border-top:1px solid rgba(7,16,21,0.10); }
.hint{ color:var(--muted); font-size:12px; }

/* Steps Accordion */
.steps-accordion{
  width: min(520px, 100%);
  margin: 0 auto;
  display: grid;
  gap: 10px;
  text-align: left;
}

.step{
  border: 1px solid rgba(7,16,21,0.10);
  border-radius: var(--radius);
  background: rgba(255,255,255,0.75);
  backdrop-filter: blur(10px);
  overflow: hidden;
  transition: background 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

/* Hover färbt den GANZEN Step (nur wenn geschlossen) */
.step:not([open]):hover{
  background: rgba(16,185,129,0.06);
  border-color: rgba(16,185,129,0.18);
}

/* Optional: ganz subtiler Lift */
.step:not([open]):hover{
  box-shadow: 0 10px 26px rgba(7,16,21,0.06);
}

.step-summary{
  list-style: none;
  cursor: pointer;
  display: grid;
  grid-template-columns: 28px 1fr 22px;
  gap: 12px;
  align-items: center;
  padding: 12px 14px;
  user-select: none;

  position: relative;
  padding-right: 34px; /* Platz für Chevron */
}

.step-summary::-webkit-details-marker{ display: none; }

/* Chevron */
.step-summary::after{
  content: "";
  position: absolute;
  right: 14px;
  top: 50%;
  width: 8px;
  height: 8px;
  border-right: 2px solid rgba(7,16,21,0.5);
  border-bottom: 2px solid rgba(7,16,21,0.5);
  transform: translateY(-50%) rotate(45deg);
  transition: transform 220ms ease, border-color 220ms ease;
}

/* Open state: Step leicht einfärben + Chevron drehen */
.step[open]{
  background: rgba(16,185,129,0.08);
  border-color: rgba(16,185,129,0.20);
}

.step[open] .step-summary::after{
  transform: translateY(-50%) rotate(-135deg);
  border-color: rgba(16,185,129,0.85);
}

/* Focus (Accessibility) */
.step-summary:focus-visible{
  outline: 2px solid rgba(16,185,129,0.6);
  outline-offset: 2px;
}

.step-num{
  width: 26px;
  height: 26px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 13px;
  border: 1px solid rgba(16,185,129,0.25);
  background: rgba(16,185,129,0.10);
}

.step-title{
  font-weight: 600;
  letter-spacing: -0.01em;
}

.step-body{
  padding: 0 14px 14px;
  display: grid;
  gap: 10px;
}

.step-text{
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

/* Media */
.step-media{
  width: 100%;
  border-radius: calc(var(--radius) - 6px);
  border: 1px solid rgba(7,16,21,0.10);
  background: rgba(255,255,255,0.85);
  overflow: hidden;
}

.step-video,
.step-image{
  width: 100%;
  height: auto;
  display: block;
}

.step-video{
  object-fit: contain;
  background: #fff;
}

.step-media--video{
  position: relative;
}

.loop-fade{
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0;
  background: linear-gradient(
    135deg,
    rgba(16,185,129,0.10),
    rgba(20,184,166,0.08)
  );
  transition: opacity 220ms ease;
}

.step-media--video.is-looping .loop-fade{
  opacity: 1;
}


/* Team */
.founders{
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 34px;
  justify-items: center;
}
.founder{
  width: 100%;
  max-width: 420px;
  text-align: center;
  display: grid;
  justify-items: center;
  gap: 14px;
}
.founder-photo{
  width: min(360px, 100%);
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 22px;
  border: 1px solid rgba(7,16,21,0.08);
  background: #f5f7f8;
}
.founder-meta{ display: grid; gap: 6px; justify-items: center; }
.founder-name{ margin: 0; letter-spacing: -0.02em; }
.founder-role{
  margin: 0;
  color: rgba(20,184,166,0.95);
  font-weight: 600;
  font-size: 13px;
}
.founder-bio{
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 14px;
  max-width: 52ch;
}
.founder-link{
  margin-top: 10px;
  width: 42px; height: 42px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(20,184,166,0.28);
  background: rgba(20,184,166,0.10);
  color: rgba(7,16,21,0.78);
  font-weight: 700;
  text-decoration: none;
}
.founder-link:hover{ background: rgba(16,185,129,0.12); text-decoration: none; }

/* FAQ */
.faq{
  display: grid;
  gap: 10px;
  margin: 18px auto 0;
  max-width: 820px;
}
details{
  border: 1px solid rgba(7,16,21,0.10);
  border-radius: var(--radius);
  padding: 14px 16px;
  background: rgba(255,255,255,0.75);
  backdrop-filter: blur(10px);
  text-align: left;
}
summary{ cursor: pointer; font-weight: 600; letter-spacing: -0.01em; }
details p{ margin: 10px 0 0; color: var(--muted); font-size: 14px; }

/* Contact (left aligned) */
.contact-card{
  border: 1px solid rgba(7,16,21,0.10);
  border-radius: calc(var(--radius) + 4px);
  padding: 20px;
  background: rgba(255,255,255,0.72);
  backdrop-filter: blur(10px);
  max-width: 860px;
  margin: 0 auto;
  text-align: left;
}
.form{ margin-top: 14px; display: grid; gap: 12px; }
label{ display: grid; gap: 6px; font-size: 13px; color: var(--muted); }
input, textarea{
  border: 1px solid rgba(7,16,21,0.10);
  border-radius: 14px;
  padding: 12px 12px;
  font: inherit;
  color: var(--fg);
  background: rgba(255,255,255,0.90);
}
input:focus, textarea:focus{
  outline: 3px solid rgba(20,184,166,0.18);
  border-color: rgba(20,184,166,0.35);
}
.grid-2{ display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.hp{ display: none; }
.direct{ margin: 14px 0 0; color: var(--muted); font-size: 14px; }

/* Footer */
.footer{
  padding: 22px 0 34px;
  color: var(--muted);
  border-top: 1px solid rgba(7,16,21,0.10);
  font-size: 13px;
  background: rgba(255,255,255,0.65);
  backdrop-filter: blur(10px);
}
.footer-row{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
}
.footer-left{ margin: 0; }
.footer-right{
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.footer-support{
  color: var(--muted);
  font-weight: 600;
  font-size: 12px;
}
.support-logo{
  width: 90px;
  height: auto;
  border: 1px solid rgba(7,16,21,0.10);
  border-radius: 10px;
}

/* Mobile */
@media (max-width: 900px){
  .feature-grid{ grid-template-columns: 1fr; }
  .product-lower{ grid-template-columns: 1fr; }
  .grid-2{ grid-template-columns: 1fr; }
  .founders{ grid-template-columns: 1fr; gap: 26px; }
  .hero-title{
    font-size: clamp(32px, 6vw, 40px);
  }

  .nav-links{
    display: none;
    position: absolute;
    right: 0;
    top: 58px;
    flex-direction: column;
    align-items: stretch;
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(7,16,21,0.10);
    border-radius: 16px;
    padding: 10px;
    min-width: 200px;
    gap: 4px;
    box-shadow: var(--shadow);
  }
  .nav-links a{ color: var(--fg); }
  .nav-toggle{ display: inline-flex; }
  .nav-links.is-open{ display: flex; }
}

@media (max-width: 600px){
  .hero-title{
    font-size: clamp(29px, 6.5vw, 48px) !important; 
  }
}