:root{
  --bg: #f3f3f3;
  --text: #0f0f10;
  --muted: rgba(15, 15, 16, .72);

  --border: rgba(15, 15, 16, .10);
  --soft: #f3f3f3;
  --soft-2:#e9e9e9;
  --shadow: 0 12px 28px rgba(0,0,0,.12);
  --shadow-soft: 0 10px 22px rgba(0,0,0,.08);
  
  --radius: 16px;
  --radius-lg: 22px;
  --max: 1320px;
  --max-narrow: 999px;
}

*{ box-sizing: border-box; }
html, body{ height:100%; }
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Apple Color Emoji","Segoe UI Emoji";
  color: var(--text);
  background: var(--bg);
  line-height: 1.45;
}

a{ color: inherit; text-decoration: none; }
img{ max-width:100%; display:block; }

.container{
  width: min(var(--max), calc(100% - 56px));
  margin: 0 auto;
}
.container.narrow{ width: min(var(--max-narrow), calc(100% - 40px)); }

/* Buttons */
.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 22px;
  border-radius: var(--radius);
  font-weight: 700;
  letter-spacing: .02em;
  border: 1px solid transparent;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease, border-color .15s ease;
  white-space: nowrap;
}

.btn:hover{ transform: translateY(-1px); box-shadow: var(--shadow-soft); }
.btn:active{ transform: translateY(0px); box-shadow: none; }

.btn-pill{ border-radius: 999px; }
.btn-dark{ background:#0b0b0c; color:#fff; }
.btn-light{ background:#fff; border-color: var(--border); color: var(--text); }
.btn-light:hover{ border-color: rgba(15,15,16,.2); }

.btn-primary{
  background: #000;
  color: #fff;
  box-shadow: var(--shadow-soft);
}

.btn-primary:hover{
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}
.btn-ghost{
  background: transparent;
  border-color: rgba(0,0,0,.25);
  color: #000;
}

.btn-ghost:hover{
  transform: translateY(-1px);
  border-color: rgba(0,0,0,.45);
}

/* HEADER */
.site-header{
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0,0,0,.08);
}

.header-inner{
  height: 76px;
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 18px;
}

.brand-mark{
  font-weight: 900;
  letter-spacing: .06em;
  font-size: 20px;
}

.nav{
  display: flex;
  gap: 26px;
  align-items: center;
  justify-content: center;
}

.nav a{
  font-weight: 650;
  font-size: 16px;
  opacity: .9;
  padding: 10px 2px;
  border-bottom: 2px solid transparent;
}

.nav a:hover{
  border-bottom-color: rgba(0,0,0,.35);
}

.burger{
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  border: 1px solid rgba(0,0,0,.12);
  background: #fff;
  padding: 10px;
  gap: 5px;
  flex-direction: column;
  justify-content: center;
  align-items: stretch;
}
.burger span{
  height: 2px;
  background: #000;
  border-radius: 10px;
  opacity: .85;
}

.brand{
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand-logo{
  height: 28px;     /* Größe */
  width: auto;
  display: block;
}


/* HERO */

.hero{
  position: relative;
  overflow: hidden;
  padding: 96px 0 88px;
  background: #050505;
  color: #fff;
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.hero::before{
  content:"";
  position:absolute;
  top:-120px;
  right:8%;
  width:420px;
  height:420px;
  background: radial-gradient(circle, rgba(80,120,255,.18), transparent 68%);
  filter: blur(24px);
  pointer-events:none;
}

.hero::after{
  content:"";
  position:absolute;
  bottom:-150px;
  left:10%;
  width:340px;
  height:340px;
  background: radial-gradient(circle, rgba(255,255,255,.08), transparent 70%);
  filter: blur(22px);
  pointer-events:none;
}

.hero-grid{
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  gap: 56px;
  align-items: center;
}

.hero-inner{
  text-align: left;
  max-width: 720px;
}

.pill{
  display:inline-flex;
  align-items:center;
  padding: 8px 14px;
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 999px;
  font-weight: 700;
  font-size: 12px;
  letter-spacing: .08em;
  background: rgba(255,255,255,.04);
  color: #fff;
}

.hero h1{
  margin: 22px 0 14px;
  font-size: clamp(40px, 5.2vw, 72px);
  line-height: .95;
  letter-spacing: -.03em;
  color: #fff;
}

.lead{
  margin: 0;
  max-width: 640px;
  color: rgba(255,255,255,.72);
  font-size: 18px;
  line-height: 1.7;
}

.hero-actions{
  margin-top: 28px;
  display:flex;
  align-items:center;
  justify-content:flex-start;
  gap: 12px;
  flex-wrap: wrap;
}

.hero .btn-dark{
  background:#fff;
  color:#000;
}

.hero .btn-light{
  background: transparent;
  border-color: rgba(255,255,255,.16);
  color: #fff;
}

.hero .btn-light:hover{
  background: rgba(255,255,255,.06);
  border-color: rgba(255,255,255,.22);
}

/* Chatbot rechts */
.hero-chatbot{
  display:flex;
  justify-content:flex-end;
}

.chatbot-card{
  width: 100%;
  max-width: 430px;
  border-radius: 26px;
  border: 1px solid rgba(255,255,255,.10);
  background: linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.03));
  box-shadow:
    0 24px 80px rgba(0,0,0,.45),
    inset 0 1px 0 rgba(255,255,255,.08);
  backdrop-filter: blur(14px);
  overflow: hidden;
}

.chatbot-topbar{
  padding: 22px 22px 18px;
  border-bottom: 1px solid rgba(255,255,255,.08);
  background: rgba(255,255,255,.03);
}

.chatbot-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,.06);
  color: rgba(255,255,255,.9);
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 14px;
}

.chatbot-status-dot{
  width:8px;
  height:8px;
  border-radius:50%;
  background:#53d769;
  box-shadow: 0 0 10px rgba(83,215,105,.8);
}

.chatbot-title{
  font-size: 24px;
  font-weight: 800;
  color:#fff;
  margin-bottom: 6px;
}

.chatbot-subtitle{
  font-size: 14px;
  line-height: 1.5;
  color: rgba(255,255,255,.66);
}

.chatbot-log{
  min-height: 320px;
  max-height: 320px;
  overflow-y: auto;
  padding: 20px;
  display:flex;
  flex-direction:column;
  gap: 12px;
}

.chat-msg{
  max-width: 84%;
  padding: 13px 16px;
  border-radius: 18px;
  font-size: 14px;
  line-height: 1.5;
  word-wrap: break-word;
}

.chat-msg.me{
  align-self: flex-end;
  background: #fff;
  color: #000;
  border-bottom-right-radius: 6px;
  box-shadow: 0 10px 24px rgba(255,255,255,.08);
}

.chat-msg.bot{
  align-self: flex-start;
  background: rgba(255,255,255,.08);
  color: #fff;
  border: 1px solid rgba(255,255,255,.08);
  border-bottom-left-radius: 6px;
}

/* Typing Animation */
.chat-typing{
  display:flex;
  align-items:center;
  gap:6px;
  margin: 0 20px 14px;
  padding: 12px 14px;
  width: fit-content;
  border-radius: 16px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.08);
}

.chat-typing span{
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,.78);
  animation: typingBounce 1.2s infinite ease-in-out;
}

.chat-typing span:nth-child(2){
  animation-delay: .15s;
}

.chat-typing span:nth-child(3){
  animation-delay: .30s;
}

.hidden{
  display:none;
}

@keyframes typingBounce{
  0%, 80%, 100%{
    transform: scale(.7);
    opacity: .45;
  }
  40%{
    transform: scale(1);
    opacity: 1;
  }
}

.chatbot-input-row{
  display:flex;
  align-items:center;
  gap:10px;
  padding: 16px;
  border-top: 1px solid rgba(255,255,255,.08);
  background: rgba(255,255,255,.03);
}

.chatbot-input{
  flex:1;
  height: 52px;
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 16px;
  outline:none;
  padding: 0 16px;
  background: rgba(255,255,255,.06);
  color:#fff;
  font-size: 14px;
}

.chatbot-input::placeholder{
  color: rgba(255,255,255,.42);
}

.chatbot-send{
  height: 52px;
  border: none;
  border-radius: 16px;
  background: #fff;
  color: #000;
  padding: 0 18px;
  font-weight: 800;
  cursor: pointer;
  transition: transform .18s ease, opacity .18s ease;
}

.chatbot-send:hover{
  transform: translateY(-1px);
}

.chatbot-send:disabled{
  opacity:.6;
  cursor:not-allowed;
}

@media (max-width: 1100px){
  .hero-grid{
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .hero-inner{
    max-width: 100%;
  }

  .hero-chatbot{
    justify-content: flex-start;
  }

  .chatbot-card{
    max-width: 100%;
  }
}

@media (max-width: 640px){
  .hero{
    padding: 82px 0 70px;
  }

  .hero h1{
    font-size: 42px;
  }

  .lead{
    font-size: 16px;
  }

  .chatbot-log{
    min-height: 280px;
    max-height: 280px;
  }
}

/* Grid Cards */
.grid{
  display:grid;
  gap: 18px;
}
.cards{
  grid-template-columns: repeat(3, 1fr);
}
.card{
  border: 1px solid var(--border);
  background:#fff;
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: 0 10px 18px rgba(0,0,0,.04);
  transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
  min-height: 176px;
}
.card:hover{
  transform: translateY(-2px);
  box-shadow: var(--shadow);
  border-color: rgba(15,15,16,.18);
}
.icon{
  width: 40px;
  height: 40px;
  border-radius: 12px;
  border: 1px solid var(--border);
  display:grid;
  place-items:center;
  margin-bottom: 12px;
  color:#111;
}
.card h3{
  margin: 0 0 8px;
  font-size: 13px;
  letter-spacing: .08em;
}
.card p{
  margin: 0;
  color: rgba(15,15,16,.72);
  font-size: 14px;
}

.cards-why .card{ min-height: 120px; }
.cards-why .feature h3{
  font-size: 13px;
  letter-spacing: .08em;
}

/* Steps (centered list like screenshot) */
.steps{
  list-style:none;
  padding:0;
  margin: 26px auto 0;
  display:grid;
  gap: 16px;
  max-width: 720px;
}
.step{
  display:grid;
  grid-template-columns: 40px 1fr;
  gap: 14px;
  align-items:flex-start;
}
.step-num{
  width: 32px;
  height: 32px;
  border-radius: 999px;
  background:#0b0b0c;
  color:#fff;
  display:grid;
  place-items:center;
  font-weight: 800;
  font-size: 13px;
  margin-top: 2px;
}
.step-body h4{
  margin:0 0 4px;
  font-size: 13px;
  letter-spacing: .08em;
}
.step-body p{
  margin:0;
  color: var(--muted);
  font-size: 14px;
}

/* FAQ */
.faq-inner{
  width: min(860px, calc(100% - 40px));
}
.accordion{
  margin-top: 18px;
  display:grid;
  gap: 14px;
}
.acc-item{
  border: 1px solid rgba(0,0,0,.14);
  border-radius: 8px;
  background:#f5f5f5;
  overflow:hidden;
}
.acc-item summary{
  list-style: none;
  cursor:pointer;
  padding: 18px 18px;
  font-weight: 700;
  font-size: 13px;
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 14px;
}
.acc-item summary::-webkit-details-marker{ display:none; }
.acc-item summary::after{
  content:"▾";
  font-size: 14px;
  opacity: .8;
  transition: transform .15s ease;
}
.acc-item[open] summary::after{
  transform: rotate(180deg);
}
.acc-panel{
  padding: 0 18px 18px 18px;
  color: rgba(15,15,16,.75);
  font-size: 14px;
  border-top: 1px solid rgba(0,0,0,.08);
  background: #fff;
}

/* CTA */
.cta{
  background:#fff;
  border-top: 1px solid var(--border);
}
.cta-inner{
  text-align:center;
  max-width: 860px;
}
.cta h2{
  margin:0 0 8px;
  font-size: 30px;
}
.cta p{
  margin: 0 auto 18px;
  max-width: 760px;
  color: var(--muted);
}
.cta-actions{
  display:flex;
  justify-content:center;
  gap: 12px;
  flex-wrap: wrap;
}

/* Footer */
.site-footer{
  background: #cfcfcf;
  padding: 70px 0;
  border-top: 1px solid rgba(0,0,0,.08);
}

.footer-inner{
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 22px;
  align-items: start;
}

.footer-title{
  font-weight: 950;
  letter-spacing: .05em;
  font-size: 18px;
  text-transform: uppercase;
}

.footer-sub{
  margin-top: 10px;
  color: rgba(0,0,0,.55);
  font-weight: 650;
  font-size: 12px;
}

.footer-head{
  font-weight: 950;
  letter-spacing: .04em;
  font-size: 14px;
  text-transform: uppercase;
}

.footer-text{
  margin-top: 10px;
  color: rgba(0,0,0,.65);
  font-weight: 650;
  font-size: 13px;
}

.footer-links{
  margin-top: 10px;
  display: grid;
  gap: 8px;
}

.footer-links a{
  color: rgba(0,0,0,.75);
  font-weight: 700;
  font-size: 13px;
  width: fit-content;
  border-bottom: 2px solid transparent;
}

.footer-links a:hover{
  border-bottom-color: rgba(0,0,0,.35);
}


/* Responsive */
@media (max-width: 980px){
  .cards{ grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px){
  .nav, .header-cta{ display:none; }
  .nav-toggle{ display:block; }
  .mobile-nav{ display:block; }
  .brand-name{ font-size: 16px; }

  .hero{ padding: 64px 0 58px; }
  .cards{ grid-template-columns: 1fr; }
  .section{ padding: 56px 0; }
  .footer-inner{ flex-direction: column; align-items:flex-start; }
}
.section{
  padding: 70px 0;
}


.section-hero{
  padding: 70px 0;
}


/* einzelne Bereiche */
.section-services{
  background: #f1f1f1;
}

.section-steps{
  background: #ebebeb;
}

.section-why{
  background: #e4e4e4;
}

.section-contact{
  background: #dddddd;
}