/* ==========================================================================
   Krauss Consulting / Design System
   Kein externes Font-/Script-Loading: schnell, DSGVO-unbedenklich, robust.
   ========================================================================== */

:root{
  /* Farben */
  --bg:            #FAFAFB;
  --bg-alt:        #F1F2F7;
  --surface:       #FFFFFF;
  --border:        #E5E7F0;
  --ink:           #0D0F17;
  --ink-soft:      #565B6B;
  --ink-faint:     #8A8FA0;

  --dark-bg:       #090B14;
  --dark-surface:  #131628;
  --dark-border:   #262B45;
  --dark-ink:      #F3F4FA;
  --dark-ink-soft: #A8ACC2;

  /* Eine Akzentfarbe, direkt aus dem Logo abgeleitet (kein generischer KI-Lila/Blau-Verlauf) */
  --brand-1:       #0060B8;  /* Logo-Blau, primärer Akzent */
  --brand-deep:    #003E78;  /* dunklere Tonstufe: Hover, Verläufe */
  --brand-bright:  #4FA6EE;  /* hellere Tonstufe: Akzente auf dunklem Grund */
  --brand-grad:    linear-gradient(135deg, var(--brand-1) 0%, var(--brand-deep) 100%);
  --brand-grad-soft: rgba(0,96,184,.10);

  --radius-s:  10px;
  --radius-m:  16px;
  --radius-l:  24px;

  --shadow-s:  0 1px 2px rgba(13,15,23,.06), 0 1px 1px rgba(13,15,23,.04);
  --shadow-m:  0 8px 24px rgba(13,15,23,.08);
  --shadow-l:  0 24px 64px rgba(13,15,23,.14);

  --maxw: 1180px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *, *::before, *::after{ animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
}
body{
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  line-height: 1.55;
}
img, svg{ display:block; max-width:100%; }
a{ color: inherit; text-decoration: none; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4,p{ margin:0; }
button{ font-family: inherit; cursor:pointer; }

/* ---------- Barrierefreiheit ---------- */
.sr-only{
  position:absolute; width:1px; height:1px; padding:0; margin:-1px;
  overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0;
}
.skip-link{
  position:absolute; left:16px; top:-60px; z-index:1000;
  background: var(--ink); color:#fff; padding:12px 20px; border-radius: var(--radius-s);
  font-weight:700; font-size:14px; transition: top .2s ease;
}
.skip-link:focus{ top:16px; }

a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, [tabindex]:focus-visible{
  outline: 2px solid var(--brand-1); outline-offset: 3px; border-radius: 4px;
}
.on-dark a:focus-visible, .section-dark a:focus-visible, .hero a:focus-visible, .page-hero a:focus-visible,
.on-dark button:focus-visible, .section-dark button:focus-visible{
  outline-color: var(--brand-bright);
}

h1,h2,h3,h4{
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.12;
}

.container{
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Utility ---------- */
.eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  font-size: 13px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  color: var(--brand-1);
}
.eyebrow::before{
  content:""; width:18px; height:2px; border-radius:2px; background: var(--brand-grad);
}
.on-dark .eyebrow{ color: var(--brand-bright); }

.section-head{ max-width: 640px; margin-bottom: 44px; }
.section-head.center{ margin-left:auto; margin-right:auto; text-align:center; }
.section-title{ font-size: clamp(28px, 3.4vw, 40px); margin-top: 14px; }
.section-lead{ margin-top: 16px; color: var(--ink-soft); font-size: 17px; }
.on-dark .section-lead{ color: var(--dark-ink-soft); }

.gradient-text{ color: var(--brand-bright); }

section{ padding: 96px 0; }
@media (max-width:720px){ section{ padding: 64px 0; } }

.section-alt{ background: var(--bg-alt); }
.section-dark{ background: var(--dark-bg); color: var(--dark-ink); }

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding: 14px 24px; border-radius: 999px;
  font-weight: 700; font-size: 15px; letter-spacing: -0.01em;
  border: 1px solid transparent; transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
  white-space: nowrap;
}
.btn-primary{
  background: var(--brand-grad); color: #fff; box-shadow: var(--shadow-m);
}
.btn-primary:hover{ transform: translateY(-2px); box-shadow: var(--shadow-l); }

.btn-ghost{
  background: transparent; border-color: var(--border); color: var(--ink);
}
.btn-ghost:hover{ border-color: var(--brand-1); color: var(--brand-1); }

.on-dark .btn-ghost{ border-color: var(--dark-border); color: var(--dark-ink); }
.on-dark .btn-ghost:hover{ border-color: var(--brand-bright); color: var(--brand-bright); }

/* Ghost-Buttons auf dunklen Flächen (Hero, dunkle Sections) hell einfärben,
   damit die Schrift nicht dunkel-auf-dunkel verschwindet */
.hero .btn-ghost, .page-hero .btn-ghost, .section-dark .btn-ghost{
  border-color: var(--dark-border); color: var(--dark-ink);
}
.hero .btn-ghost:hover, .page-hero .btn-ghost:hover, .section-dark .btn-ghost:hover{
  border-color: var(--brand-bright); color: var(--brand-bright);
}

.btn-sm{ padding: 10px 18px; font-size: 14px; }
.btn-block{ width:100%; }

/* ---------- Header ---------- */
.site-header{
  position: sticky; top:0; z-index: 100;
  background: rgba(250,250,251,.78);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--border);
}
.site-header .container{
  display:flex; align-items:center; justify-content:space-between;
  height: 76px;
}
.brand{ display:flex; align-items:center; gap:10px; font-weight:800; font-size:18px; letter-spacing:-0.01em; }
.brand-mark{
  width: 34px; height:34px; border-radius: 10px; background: var(--brand-grad);
  display:flex; align-items:center; justify-content:center; color:#fff; font-weight:800; font-size:16px;
  box-shadow: var(--shadow-s);
}
.brand-mark-img{ width:40px; height:40px; object-fit:contain; flex:none; }
.brand-name span{ display:block; font-size:11px; font-weight:600; color: var(--ink-faint); letter-spacing: .04em; }

.nav-links{ display:flex; align-items:center; gap:2px; }
.nav-links a{
  padding: 10px 14px; border-radius: 999px; font-weight:600; font-size:14.5px; color: var(--ink-soft);
  transition: background .15s ease, color .15s ease;
}
.nav-links a:hover, .nav-links a.active{ background: var(--bg-alt); color: var(--ink); }

.nav-right{ display:flex; align-items:center; gap:10px; }
.nav-phone{
  display:flex; align-items:center; gap:8px; font-weight:700; font-size:14px; color: var(--ink-soft);
}
.nav-phone svg{ width:16px; height:16px; }

.nav-toggle{
  display:none; width:42px; height:42px; border-radius:10px; border:1px solid var(--border);
  background:#fff; align-items:center; justify-content:center;
}
.nav-toggle svg{ width:20px; height:20px; }

@media (max-width: 920px){
  .nav-links{
    position: fixed; inset: 76px 0 0 0; background: var(--bg);
    flex-direction: column; align-items:stretch; gap:0; padding: 12px 20px;
    transform: translateY(-8px); opacity:0; pointer-events:none; transition: all .2s ease;
    border-top: 1px solid var(--border);
  }
  .nav-links.open{ transform: translateY(0); opacity:1; pointer-events:auto; }
  .nav-links a{ padding: 16px 8px; border-bottom: 1px solid var(--border); border-radius:0; }
  .nav-phone{ display:none; }
  .nav-toggle{ display:flex; }
}

/* ---------- Hero ---------- */
.hero{
  position: relative; overflow: hidden;
  background: var(--dark-bg); color: var(--dark-ink);
  padding: 104px 0 76px;
}
.hero::before{
  content:"";
  position:absolute; inset:-20% -10% auto -10%; height: 720px;
  background:
    radial-gradient(620px 340px at 12% 15%, rgba(0,96,184,.5), transparent 60%),
    radial-gradient(560px 340px at 88% 5%, rgba(79,166,238,.28), transparent 60%);
  filter: blur(10px);
  pointer-events:none;
}
.hero::after{
  content:"";
  position:absolute; inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 40%, transparent 80%);
  pointer-events:none;
}
.hero .container{ position:relative; z-index:1; }
.hero-inner{ max-width: 780px; }
.hero h1{ font-size: clamp(36px, 5.4vw, 62px); margin-top:20px; }
.hero-lead{ margin-top: 22px; font-size: 19px; color: var(--dark-ink-soft); max-width: 620px; }
.hero-cta{ display:flex; flex-wrap:wrap; gap:14px; margin-top: 36px; }

/* Schmaler Kennzahlen-Streifen direkt unter dem Hero, eigener Layout-Baustein */
section.stats-strip{ padding: 0; background: var(--dark-surface); border-top: 1px solid var(--dark-border); border-bottom: 1px solid var(--dark-border); }
.stats-strip .container{
  display:grid; grid-template-columns: repeat(3,1fr);
}
.stats-strip div{ padding: 26px 22px; text-align:center; }
.stats-strip div + div{ border-left: 1px solid var(--dark-border); }
.stats-strip strong{ display:block; font-size: 21px; font-weight:800; color: var(--dark-ink); }
.stats-strip span{ display:block; margin-top:4px; font-size:13px; color: var(--dark-ink-soft); }
@media (max-width:640px){
  .stats-strip .container{ grid-template-columns: 1fr; }
  .stats-strip div + div{ border-left:none; border-top: 1px solid var(--dark-border); }
}

/* Page hero (Unterseiten, kompakter) */
.page-hero{
  background: var(--dark-bg); color: var(--dark-ink); position:relative; overflow:hidden;
  padding: 84px 0 68px;
}
.page-hero::before{
  content:""; position:absolute; inset:-30% -10% auto -10%; height:480px;
  background: radial-gradient(560px 300px at 20% 20%, rgba(0,96,184,.46), transparent 60%),
              radial-gradient(480px 280px at 90% 10%, rgba(79,166,238,.26), transparent 60%);
  filter: blur(10px); pointer-events:none;
}
.page-hero .container{ position:relative; z-index:1; max-width: 760px; }
.page-hero h1{ font-size: clamp(30px, 4.4vw, 46px); margin-top: 16px; }
.page-hero p{ margin-top:16px; color: var(--dark-ink-soft); font-size:17px; }
.breadcrumb{ font-size:13px; color: var(--dark-ink-soft); margin-bottom: 10px; }
.breadcrumb a:hover{ color:#fff; }

/* ---------- Cards / Grids ---------- */
.grid{ display:grid; gap: 24px; }
.grid-2{ grid-template-columns: repeat(2,1fr); }
.grid-3{ grid-template-columns: repeat(3,1fr); }
.grid-4{ grid-template-columns: repeat(4,1fr); }
@media (max-width: 980px){ .grid-3, .grid-4{ grid-template-columns: repeat(2,1fr);} }
@media (max-width: 640px){ .grid-2, .grid-3, .grid-4{ grid-template-columns: 1fr; } }

.card{
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-m);
  padding: 30px; box-shadow: var(--shadow-s); transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.card:hover{ transform: translateY(-4px); box-shadow: var(--shadow-m); border-color: #D9DBEB; }

.icon-tile{
  width: 46px; height:46px; border-radius: 12px; background: var(--brand-grad-soft);
  border: 1px solid rgba(0,96,184,.16);
  display:flex; align-items:center; justify-content:center; margin-bottom: 18px;
}
.icon-tile svg{ width:22px; height:22px; stroke: var(--brand-1); }

.card h3{ font-size: 19px; margin-bottom: 10px; }
.card p{ color: var(--ink-soft); font-size: 15px; }
.card .card-link{ display:inline-flex; align-items:center; gap:6px; margin-top:16px; font-weight:700; font-size:14px; color: var(--brand-1); }
.card .card-link svg{ width:14px; height:14px; transition: transform .15s ease; }
.card:hover .card-link svg{ transform: translateX(3px); }

/* ---------- Portrait / Founder ---------- */
.founder-photo img{
  width:100%; display:block; border-radius: var(--radius-l); box-shadow: var(--shadow-l);
  object-fit:cover; aspect-ratio: 4/5;
}
.avatar-sm{
  width:56px; height:56px; border-radius:50%; object-fit:cover; flex:none;
  box-shadow: var(--shadow-s); border:2px solid #fff;
}
.byline{ display:flex; align-items:center; gap:14px; margin-bottom:22px; }
.byline strong{ display:block; font-size:15px; }
.byline span{ display:block; font-size:13px; color: var(--ink-soft); }

.feature-row{ display:flex; gap:16px; align-items:flex-start; padding:18px 0; border-top:1px solid var(--border); }
.feature-row:first-of-type{ border-top:none; padding-top:0; }
.feature-row .icon-tile{ margin-bottom:0; }
.feature-row h4{ font-size:16px; margin-bottom:4px; }
.feature-row p{ color: var(--ink-soft); font-size:14.5px; margin:0; }

/* ---------- Prozess-Schritte ---------- */
.steps{ counter-reset: step; }
.step{ display:flex; gap:20px; padding: 26px 0; border-top: 1px solid var(--border); }
.step:last-child{ border-bottom: 1px solid var(--border); }
.step-num{
  flex: none; width:40px; height:40px; border-radius:50%; background: var(--brand-grad); color:#fff;
  display:flex; align-items:center; justify-content:center; font-weight:800; font-size:15px;
}
.step h4{ font-size:17px; margin-bottom:6px; }
.step p{ color: var(--ink-soft); font-size:15px; }

/* ---------- Prozess-Streifen (eigene Layout-Familie, kein Split) ---------- */
.process-strip{ display:grid; grid-template-columns: repeat(4,1fr); gap:1px; background: var(--border); border: 1px solid var(--border); border-radius: var(--radius-m); overflow:hidden; }
.process-strip > div{ background:#fff; padding: 30px 26px; }
.process-strip .step-num{ background: var(--brand-grad); width:36px; height:36px; font-size:14px; margin-bottom:18px; }
.process-strip h4{ font-size:16px; margin-bottom:6px; }
.process-strip p{ color: var(--ink-soft); font-size:14px; }
@media (max-width: 980px){ .process-strip{ grid-template-columns: repeat(2,1fr); } }
@media (max-width: 640px){
  .process-strip{ grid-template-columns: 1fr; }
  .process-strip > div{ border-top:1px solid var(--border); }
  .process-strip > div:first-child{ border-top:none; }
}

/* ---------- CTA-Banner ---------- */
.cta-banner{
  background: var(--brand-grad); border-radius: var(--radius-l); color:#fff;
  padding: 56px; display:flex; align-items:center; justify-content:space-between; gap:32px; flex-wrap:wrap;
  position:relative; overflow:hidden;
}
.cta-banner h2{ font-size: clamp(24px,3vw,32px); max-width:520px; }
.cta-banner p{ margin-top:10px; color: rgba(255,255,255,.85); max-width:480px; }
.cta-banner .btn-primary{ background:#fff; color: var(--brand-1); box-shadow:none; }
.cta-banner .btn-primary:hover{ background:#fff; box-shadow: 0 10px 30px rgba(0,0,0,.2); }

/* ---------- FAQ ---------- */
.faq-group + .faq-group{ margin-top: 44px; }
.faq-group h3{ font-size:14px; text-transform:uppercase; letter-spacing:.06em; color: var(--brand-1); margin-bottom:14px; }
.faq-item{ border: 1px solid var(--border); border-radius: var(--radius-s); background:#fff; margin-bottom:12px; overflow:hidden; }
.faq-q{
  width:100%; display:flex; align-items:center; justify-content:space-between; gap:16px;
  background:none; border:none; text-align:left; padding: 18px 22px; font-weight:700; font-size:15.5px; color: var(--ink);
}
.faq-q svg{ width:18px; height:18px; flex:none; transition: transform .2s ease; color: var(--brand-1); }
.faq-item.open .faq-q svg{ transform: rotate(45deg); }
.faq-a{ max-height:0; overflow:hidden; transition: max-height .25s ease; }
.faq-a p{ padding: 0 22px 20px; color: var(--ink-soft); font-size:15px; }

/* ---------- Formulare ---------- */
.form-grid{ display:grid; gap:16px; }
.form-row{ display:grid; grid-template-columns: 1fr 1fr; gap:16px; }
@media (max-width:640px){ .form-row{ grid-template-columns:1fr; } }
label{ display:block; font-size:13px; font-weight:700; margin-bottom:7px; color: var(--ink-soft); }
input, textarea, select{
  width:100%; padding: 13px 15px; border-radius: var(--radius-s); border:1px solid var(--border);
  font-family: inherit; font-size:15px; background:#fff; color: var(--ink); transition: border-color .15s ease, box-shadow .15s ease;
}
input:focus, textarea:focus, select:focus{ outline:none; border-color: var(--brand-1); box-shadow: 0 0 0 4px rgba(0,96,184,.14); }
textarea{ min-height: 130px; resize: vertical; }
.checkbox-row{ display:flex; align-items:flex-start; gap:10px; font-size:13.5px; color: var(--ink-soft); }
.checkbox-row input{ width:auto; margin-top:3px; }
.form-note{ font-size:13px; color: var(--ink-faint); margin-top:10px; }
.form-status{ font-size:14px; font-weight:600; margin-top:14px; display:none; }
.form-status.show{ display:block; }
.form-status.ok{ color:#0F7B4E; }
.form-status.err{ color:#C0362C; }

/* ---------- Kontakt-Kacheln ---------- */
.contact-tile{
  display:flex; align-items:center; gap:16px; padding:22px; border:1px solid var(--border); border-radius: var(--radius-m);
  background:#fff; transition: transform .18s ease, box-shadow .18s ease;
}
.contact-tile:hover{ transform: translateY(-3px); box-shadow: var(--shadow-m); }
.contact-tile .icon-tile{ margin-bottom:0; }
.contact-tile strong{ display:block; font-size:15px; }
.contact-tile span{ display:block; font-size:13.5px; color: var(--ink-soft); margin-top:2px; }

/* ---------- Local Rank Checker Widget ---------- */
.rank-checker-card{
  max-width: 640px; margin: 0 auto;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-m);
  padding: 32px; box-shadow: var(--shadow-s);
  min-height: 120px;
}

/* ---------- Footer ---------- */
.site-footer{ background: var(--dark-bg); color: var(--dark-ink-soft); padding: 64px 0 28px; }
.footer-top{ display:grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; padding-bottom:44px; border-bottom:1px solid var(--dark-border); }
@media (max-width: 820px){ .footer-top{ grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px){ .footer-top{ grid-template-columns: 1fr; } }
.footer-top h4{ color:#fff; font-size:13px; text-transform:uppercase; letter-spacing:.06em; margin-bottom:16px; }
.footer-top a{ display:block; padding:6px 0; font-size:14.5px; }
.footer-top a:hover{ color:#fff; }
.footer-brand p{ margin-top:14px; font-size:14px; max-width:280px; }
.footer-bottom{ display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px; padding-top:24px; font-size:13px; }
.footer-bottom a:hover{ color:#fff; }

/* ---------- Legal pages ---------- */
.legal{ max-width: 760px; }
.legal h2{ font-size:22px; margin-top:40px; margin-bottom:14px; }
.legal h2:first-child{ margin-top:0; }
.legal p, .legal li{ color: var(--ink-soft); font-size:15.5px; margin-bottom:12px; }
.legal ul{ padding-left: 20px; list-style:disc; }
.legal a{ color: var(--brand-1); font-weight:600; }
.legal .note{
  background: var(--bg-alt); border: 1px solid var(--border); border-radius: var(--radius-s);
  padding: 16px 18px; font-size: 14px; color: var(--ink-soft); margin-bottom: 32px;
}

/* ---------- Reveal Animation ---------- */
[data-reveal]{ opacity:0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
[data-reveal].is-visible{ opacity:1; transform:none; }

/* ---------- Misc ---------- */
.split{ display:grid; grid-template-columns: 1fr 1fr; gap:64px; align-items:center; }
@media (max-width: 860px){ .split{ grid-template-columns:1fr; gap:40px; } }

.badge-row{ display:flex; flex-wrap:wrap; gap:10px; margin-top:24px; }
.badge{
  display:inline-flex; align-items:center; gap:6px; padding:8px 14px; border-radius:999px;
  background: rgba(255,255,255,.06); border:1px solid var(--dark-border); font-size:13px; font-weight:600; color: var(--dark-ink-soft);
}
.on-light .badge{ background: var(--bg-alt); border-color: var(--border); color: var(--ink-soft); }