/* ==========================================================================
   Fürup E-Learning Development — Stylesheet
   Design-Idee: „Schaltplan für Wissen" — technische Blaupausen-Ästhetik
   trifft auf modernes Digitalprodukt. Deep Purple als Grundfarbe (Vertrauen,
   Tiefe), Neongrün als Signal-/Prozessfarbe (wie ein aktiver Schaltkreis).
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Inter:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root{
  /* Farben */
  --purple-deep:   #3B1470;
  --purple-mid:    #5B21B6;
  --purple-soft:   #F1EBFB;
  --lime:          #A3E635;
  --lime-deep:     #6B9B12;
  --ink:           #1A1523;
  --ink-soft:      #5B5568;
  --paper:         #FAF9FC;
  --paper-alt:     #F1EEF7;
  --line:          #DCD5EC;
  --white:         #FFFFFF;

  /* Typografie */
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  --maxw: 1160px;
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
h1,h2,h3,h4{
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 0.5em;
  letter-spacing: -0.01em;
}
p{ margin: 0 0 1em; color: var(--ink-soft); }
a{ color: inherit; text-decoration: none; }
img{ max-width: 100%; display: block; }
ul{ margin:0; padding:0; list-style:none; }

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

/* Eyebrow / mono labels — Schaltplan-Annotation-Look */
.eyebrow{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--purple-mid);
  margin-bottom: 14px;
}
.eyebrow::before{
  content: '';
  width: 18px;
  height: 1px;
  background: var(--lime-deep);
  display: inline-block;
}

/* Buttons */
.btn{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 13px 26px;
  border-radius: 4px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn-primary{
  background: var(--ink);
  color: var(--white);
}
.btn-primary:hover{ background: var(--purple-deep); transform: translateY(-1px); }
.btn-accent{
  background: var(--lime);
  color: var(--ink);
}
.btn-accent:hover{ background: #B8F04A; transform: translateY(-1px); }
.btn-outline{
  background: transparent;
  border-color: var(--line);
  color: var(--ink);
}
.btn-outline:hover{ border-color: var(--purple-mid); color: var(--purple-mid); }

/* ==========================================================================
   Header / Navigation
   ========================================================================== */
.site-header{
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250,249,252,0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
}
.logo{
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo .dot{
  width: 9px; height: 9px;
  background: var(--lime);
  border-radius: 50%;
  box-shadow: 0 0 0 3px var(--purple-soft);
}
.nav-links{
  display: flex;
  gap: 32px;
  font-size: 0.92rem;
  font-weight: 500;
}
.nav-links a{
  position: relative;
  padding: 4px 0;
  color: var(--ink-soft);
}
.nav-links a:hover, .nav-links a.active{ color: var(--ink); }
.nav-links a.active::after{
  content:'';
  position:absolute;
  left:0; right:0; bottom:-4px;
  height:2px;
  background: var(--lime-deep);
}
.nav-cta{ display:flex; align-items:center; gap:18px; }
.nav-toggle{ display:none; background:none; border:none; cursor:pointer; }
.nav-toggle span{ display:block; width:22px; height:2px; background:var(--ink); margin:5px 0; }

@media (max-width: 820px){
  .nav-links{
    position: fixed;
    inset: 64px 0 0 0;
    background: var(--paper);
    flex-direction: column;
    padding: 24px;
    gap: 20px;
    font-size: 1.1rem;
    transform: translateY(-110%);
    transition: transform .25s ease;
    border-bottom: 1px solid var(--line);
  }
  .nav-links.open{ transform: translateY(0); }
  .nav-toggle{ display:block; }
  .nav-cta .btn-outline{ display:none; }
}

/* ==========================================================================
   Hero — "Schaltplan"-Signature-Element
   ========================================================================== */
.hero{
  position: relative;
  padding: 90px 0 70px;
  overflow: hidden;
}
.hero-grid{
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}
.hero h1{
  font-size: clamp(2.1rem, 4vw, 3.2rem);
  max-width: 620px;
}
.hero h1 .accent{ color: var(--purple-mid); }
.hero-lead{
  font-size: 1.08rem;
  max-width: 480px;
  margin-bottom: 28px;
}
.hero-actions{ display:flex; gap:14px; flex-wrap:wrap; margin-bottom: 34px;}
.hero-meta{
  display:flex;
  gap: 28px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-soft);
  flex-wrap: wrap;
}
.hero-meta span{ display:flex; align-items:center; gap:8px; }
.hero-meta .pip{ width:6px; height:6px; background:var(--lime-deep); border-radius:50%; }
@media (max-width: 820px){
  .hero-grid{ grid-template-columns: 1fr; }
}

/* Foto-Rahmen für echtes Portraitfoto */
.photo-frame{
  position: relative;
  aspect-ratio: 4 / 5;
  max-width: 420px;
  margin-left: auto;
  border-radius: 10px;
  overflow: hidden;
  background: var(--purple-soft);
  border: 1px solid var(--line);
}
.photo-frame img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
@media (max-width: 820px){
  .photo-frame{ margin: 0 auto; max-width: 320px; }
}

/* ==========================================================================
   Sections generic
   ========================================================================== */
section{ padding: 76px 0; }
.section-head{ max-width: 640px; margin-bottom: 44px; }
.section-head h2{ font-size: clamp(1.6rem, 3vw, 2.2rem); }

.band-dark{
  background: var(--ink);
  color: var(--white);
}
.band-dark p{ color: #CFC9DC; }
.band-dark .eyebrow{ color: var(--lime); }
.band-dark .eyebrow::before{ background: var(--lime); }

/* Karten / Grid */
.grid-3{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.grid-2{
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
@media (max-width: 900px){
  .grid-3{ grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px){
  .grid-3, .grid-2{ grid-template-columns: 1fr; }
}

.card{
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 28px;
}
.card .num{
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--lime-deep);
  display:block;
  margin-bottom: 12px;
}
.card h3{ font-size: 1.05rem; margin-bottom: 8px; }
.card p{ font-size: 0.94rem; margin-bottom: 0; }

.tag{
  display:inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 5px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  margin: 0 8px 8px 0;
  color: var(--ink-soft);
}

/* Prozess-Liste (Leistungen) */
.process{
  border-left: 2px solid var(--line);
  margin-left: 6px;
}
.process-step{
  position: relative;
  padding: 0 0 40px 32px;
}
.process-step:last-child{ padding-bottom: 4px; }
.process-step::before{
  content: attr(data-step);
  position:absolute;
  left: -21px;
  top: 0;
  width: 38px; height: 38px;
  border-radius: 50%;
  background: var(--paper);
  border: 2px solid var(--purple-mid);
  color: var(--purple-mid);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  display:flex; align-items:center; justify-content:center;
}
.process-step h3{ font-size: 1.05rem; margin-bottom: 6px; }
.process-step p{ margin-bottom: 0; max-width: 560px; }

/* Zitat / USP */
.usp{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items:center;
}
@media (max-width: 820px){ .usp{ grid-template-columns: 1fr; } }

/* CTA-Band */
.cta-band{
  background: var(--purple-deep);
  color: var(--white);
  border-radius: 10px;
  padding: 56px;
  display:flex;
  justify-content: space-between;
  align-items:center;
  gap: 32px;
  flex-wrap: wrap;
}
.cta-band h2{ margin:0; font-size: 1.7rem; max-width: 480px; }

/* Footer */
.site-footer{
  border-top: 1px solid var(--line);
  padding: 40px 0;
  font-size: 0.88rem;
}
.footer-grid{
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap: 20px;
}
.footer-links{ display:flex; gap:22px; }
.footer-links a:hover{ color: var(--purple-mid); }
.footer-note{ color: var(--ink-soft); font-family: var(--font-mono); font-size: 0.78rem; }

/* Legal pages */
.legal h2{ font-size: 1.3rem; margin-top: 2em; }
.legal p, .legal li{ color: var(--ink-soft); }
.legal ul{ list-style: disc; margin-left: 1.2em; margin-bottom: 1em; }
.legal .placeholder{
  background: var(--purple-soft);
  border: 1px dashed var(--purple-mid);
  color: var(--purple-deep);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.85em;
}
.legal-hero{ padding: 60px 0 20px; }

/* Kontakt-Formular */
.form-grid{ display:grid; gap: 18px; max-width: 560px; }
.form-row{ display:flex; flex-direction:column; gap:6px; }
.form-row label{ font-size:0.85rem; font-weight:600; }
.form-row input, .form-row textarea, .form-row select{
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--white);
  color: var(--ink);
}
.form-row input:focus, .form-row textarea:focus, .form-row select:focus{
  outline: 2px solid var(--purple-mid);
  outline-offset: 1px;
}
.contact-info-list{ margin-top: 8px; }
.contact-info-list li{ display:flex; gap:12px; margin-bottom: 14px; font-size:0.95rem; }
.contact-info-list b{ font-family: var(--font-mono); font-weight:500; font-size:0.78rem; color:var(--purple-mid); min-width: 90px; }

/* Accessibility: focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline: 2px solid var(--purple-mid);
  outline-offset: 2px;
}