/* ============================================
   Produktsupport – zentrales Stylesheet
   Farben anpassen: einfach die Variablen ändern
   ============================================ */
:root {
  --primary: #1a97d5;        /* Blubbel-Blau (an Logo angelehnt) */
  --primary-dark: #0f6ea3;
  --primary-light: #e3f3fb;
  --text: #1e293b;
  --text-muted: #64748b;
  --bg: #f8fafc;
  --card: #ffffff;
  --border: #e2e8f0;
  --radius: 12px;
  --shadow: 0 2px 8px rgba(15, 23, 42, 0.06);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- Header & Navigation ---------- */
header {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  max-width: 1080px;
  margin: 0 auto;
  flex-wrap: wrap;
  gap: 10px;
}

.logo {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
  display: flex;
  align-items: center;
}

.logo img {
  height: 44px;
  width: auto;
  display: block;
}

.nav-links {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.nav-links a {
  text-decoration: none;
  color: var(--text);
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 0.95rem;
  transition: background 0.15s;
}

.nav-links a:hover { background: var(--primary-light); color: var(--primary-dark); }
.nav-links a.active { background: var(--primary); color: #fff; }

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #fff;
  text-align: center;
  padding: 70px 20px;
}

.hero h1 { font-size: 2.4rem; margin-bottom: 12px; }
.hero p { font-size: 1.15rem; opacity: 0.92; max-width: 640px; margin: 0 auto 28px; }

.hero .btn {
  display: inline-block;
  background: #fff;
  color: var(--primary-dark);
  padding: 13px 30px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  transition: transform 0.15s, box-shadow 0.15s;
}
.hero .btn:hover { transform: translateY(-2px); box-shadow: 0 6px 16px rgba(0,0,0,0.2); }

/* ---------- Karten ---------- */
.section { padding: 50px 0; }
.section h2 { font-size: 1.7rem; margin-bottom: 8px; }
.section .subtitle { color: var(--text-muted); margin-bottom: 30px; }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 20px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-decoration: none;
  color: var(--text);
  box-shadow: var(--shadow);
  transition: transform 0.15s, box-shadow 0.15s;
  display: block;
}

.card:hover { transform: translateY(-3px); box-shadow: 0 8px 20px rgba(15,23,42,0.1); }
.card .icon { font-size: 2rem; margin-bottom: 12px; }
.card h3 { font-size: 1.1rem; margin-bottom: 6px; color: var(--primary-dark); }
.card p { font-size: 0.92rem; color: var(--text-muted); }

/* ---------- Info-Boxen ---------- */
.info-box {
  background: var(--primary-light);
  border-left: 4px solid var(--primary);
  border-radius: 8px;
  padding: 16px 20px;
  margin: 20px 0;
  font-size: 0.95rem;
}

/* ---------- FAQ Akkordeon ---------- */
.faq-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
}

.faq-item summary {
  padding: 18px 20px;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-size: 1.4rem; color: var(--primary); }
.faq-item[open] summary::after { content: "–"; }
.faq-item .faq-answer { padding: 0 20px 18px; color: var(--text-muted); }

/* ---------- Formular ---------- */
.form-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
  max-width: 640px;
  margin: 0 auto;
}

.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-weight: 600; margin-bottom: 6px; font-size: 0.95rem; }

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
  background: var(--bg);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: 2px solid var(--primary);
  border-color: transparent;
}

.btn-outline {
  background: #fff;
  border: 2px solid var(--primary);
  color: var(--primary-dark);
  padding: 10px 22px;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s;
}
.btn-outline:hover { background: var(--primary-light); }

.upload-hint {
  display: block;
  color: var(--text-muted);
  margin-top: 6px;
}

.file-list { list-style: none; margin-top: 12px; }
.file-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 12px;
  margin-bottom: 8px;
}
.file-list li input {
  flex: 1;
  min-width: 0;
  padding: 7px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.92rem;
  background: #fff;
}
.file-meta {
  color: var(--text-muted);
  font-size: 0.85rem;
  white-space: nowrap;
}
.file-remove {
  background: none;
  border: none;
  color: #dc2626;
  font-size: 1.05rem;
  cursor: pointer;
  padding: 4px 6px;
  line-height: 1;
}
.file-remove:hover { color: #991b1b; }

.btn-primary {
  background: var(--primary);
  color: #fff;
  border: none;
  padding: 13px 32px;
  border-radius: 999px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s;
}
.btn-primary:hover { background: var(--primary-dark); }

/* ---------- Tabellen / Listen ---------- */
.download-list { list-style: none; }
.download-list li {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin-bottom: 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.download-list .dl-btn {
  background: var(--primary);
  color: #fff;
  text-decoration: none;
  padding: 8px 18px;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 600;
}

/* ---------- Schritte (Garantie/Retoure) ---------- */
.steps { counter-reset: step; list-style: none; }
.steps li {
  position: relative;
  padding: 0 0 24px 56px;
  counter-increment: step;
}
.steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 38px;
  height: 38px;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}
.steps li strong { display: block; margin-bottom: 2px; }
.steps li p { color: var(--text-muted); font-size: 0.95rem; }

/* ---------- Footer ---------- */
footer {
  background: #0f172a;
  color: #94a3b8;
  padding: 36px 20px;
  margin-top: 60px;
}

.footer-inner {
  max-width: 1080px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 0.9rem;
}

footer a { color: #cbd5e1; text-decoration: none; margin-right: 18px; }
footer a:hover { text-decoration: underline; }

/* ---------- Rechtstexte ---------- */
.legal h2 { margin-top: 32px; font-size: 1.25rem; }
.legal p, .legal ul { margin: 10px 0; color: var(--text-muted); }
.legal ul { padding-left: 22px; }

.placeholder {
  background: #fef3c7;
  border: 1px dashed #d97706;
  padding: 2px 6px;
  border-radius: 4px;
  font-style: italic;
}

@media (max-width: 640px) {
  .hero h1 { font-size: 1.7rem; }
  .nav { justify-content: center; }
}