@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

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

:root {
  --bg:         #ffffff;
  --bg-2:       #f8fafc;
  --bg-3:       #f1f5f9;
  --blue:       #2563eb;
  --blue-dim:   rgba(37,99,235,0.08);
  --blue-mid:   rgba(37,99,235,0.15);
  --teal:       #0d9488;
  --teal-dim:   rgba(13,148,136,0.08);
  --text:       #0f172a;
  --text-2:     #475569;
  --border:     rgba(15,23,42,0.09);
  --card:       #ffffff;
  --font:       'Plus Jakarta Sans', system-ui, sans-serif;
  --radius:     14px;
  --radius-sm:  8px;
  --shadow:     0 1px 3px rgba(0,0,0,0.06), 0 4px 16px rgba(0,0,0,0.05);
  --shadow-md:  0 4px 24px rgba(0,0,0,0.09);
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

/* Sehr subtile Hintergrund-Gradienten — kaum sichtbar, nur Tiefe */
body::before {
  content: '';
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(ellipse 80% 60% at 0% 0%, rgba(37,99,235,0.04) 0%, transparent 70%),
    radial-gradient(ellipse 60% 50% at 100% 0%, rgba(13,148,136,0.03) 0%, transparent 70%);
}

/* ── Utility ── */
.container { max-width: 1140px; margin: 0 auto; padding: 0 1.5rem; position: relative; z-index: 1; }

.section-label {
  display: inline-block;
  font-size: 0.72rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.12em;
  color: var(--blue);
  background: var(--blue-dim);
  border: 1px solid rgba(37,99,235,0.2);
  border-radius: 100px;
  padding: 0.3rem 0.9rem;
  margin-bottom: 1.25rem;
}
.section-title {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 1rem;
  color: var(--text);
}
.section-sub {
  font-size: 1.05rem;
  color: var(--text-2);
  line-height: 1.75;
  max-width: 680px;
}

/* ── Header / Nav ── */
.header {
  position: sticky; top: 0; z-index: 900;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav {
  display: flex; align-items: center;
  justify-content: space-between;
  gap: 1rem;
  height: 64px;
}
.logo {
  font-size: 1.1rem; font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text);
  text-decoration: none;
  white-space: nowrap;
}
.logo span { color: var(--blue); }
.nav-links {
  display: flex; align-items: center;
  list-style: none; gap: 0.25rem;
}
.nav-links a {
  display: block;
  font-size: 0.87rem; font-weight: 500;
  color: var(--text-2);
  text-decoration: none;
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: color 0.15s, background 0.15s;
  white-space: nowrap;
}
.nav-links a:hover { color: var(--text); background: rgba(15,23,42,0.04); }
.nav-links .nav-active { color: var(--blue); font-weight: 600; }
.nav-links .nav-cta {
  color: #fff;
  background: var(--blue);
  font-weight: 700;
  padding: 0.45rem 1rem;
}
.nav-links .nav-cta:hover { background: #1d4ed8; color: #fff; }
.mobile-toggle {
  display: none;
  flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 4px;
}
.mobile-toggle span {
  display: block; width: 22px; height: 2px;
  background: var(--text); border-radius: 2px;
  transition: all 0.25s;
}
@media (max-width: 1100px) {
  .mobile-toggle { display: flex; }
  .nav-links {
    display: none; flex-direction: column; gap: 0;
    position: absolute; top: 64px; left: 0; right: 0;
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    padding: 1rem;
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 0.7rem 1rem; border-radius: var(--radius-sm); }
}

/* ── Buttons ── */
.btn {
  display: inline-block;
  font-family: var(--font); font-weight: 700; font-size: 0.95rem;
  text-decoration: none; border: none; cursor: pointer;
  border-radius: var(--radius-sm); padding: 0.85rem 1.75rem;
  transition: transform 0.15s, box-shadow 0.15s, background 0.15s, color 0.15s;
}
.btn:hover { transform: translateY(-2px); }

.btn-primary {
  background: var(--blue);
  color: #fff;
  box-shadow: 0 4px 16px rgba(37,99,235,0.25);
}
.btn-primary:hover { background: #1d4ed8; box-shadow: 0 6px 24px rgba(37,99,235,0.35); color: #fff; }

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1.5px solid var(--border);
}
.btn-outline:hover { background: var(--bg-2); border-color: rgba(15,23,42,0.2); color: var(--text); }

/* ── Cards ── */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  position: relative;
  overflow: hidden;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
  box-shadow: var(--shadow);
}
.card:hover {
  border-color: rgba(37,99,235,0.2);
  box-shadow: 0 8px 32px rgba(37,99,235,0.1);
  transform: translateY(-2px);
}

/* ── Sections ── */
.section { position: relative; z-index: 1; padding: 5rem 0; }
.section-alt { background: var(--bg-2); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-header { margin-bottom: 3rem; }
.section-header.center { text-align: center; }
.section-header.center .section-sub { margin: 0 auto; }

/* ── Trust Strip ── */
.trust-strip {
  position: relative; z-index: 1;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-2);
  padding: 3rem 0;
}
.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem; text-align: center;
}
.trust-num {
  font-size: 2.8rem; font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--blue);
  line-height: 1; margin-bottom: 0.35rem;
}
.trust-label { font-size: 0.87rem; color: var(--text-2); line-height: 1.5; }
@media (max-width: 640px) { .trust-grid { grid-template-columns: repeat(2, 1fr); } }

/* ── FAQ ── */
.faq-list { max-width: 780px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-btn {
  width: 100%; background: none; border: none; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
  padding: 1.35rem 0; text-align: left;
  font-family: var(--font); font-size: 1rem; font-weight: 600; color: var(--text);
  transition: color 0.15s;
}
.faq-btn:hover { color: var(--blue); }
.faq-icon {
  flex-shrink: 0; width: 24px; height: 24px;
  border: 1.5px solid rgba(37,99,235,0.3); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--blue); font-size: 1.1rem; font-weight: 300;
  transition: transform 0.3s, background 0.2s;
}
.faq-item.open .faq-icon { transform: rotate(45deg); background: var(--blue-dim); }
.faq-answer {
  max-height: 0; overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  font-size: 0.97rem; line-height: 1.8; color: var(--text-2);
}
.faq-item.open .faq-answer { max-height: 220px; padding-bottom: 1.4rem; }

/* ── Kontakt-Section ── */
.contact-section {
  position: relative; z-index: 1;
  background: #0f172a;
  padding: 5rem 0; text-align: center;
}
.contact-section .section-title { color: #fff; }
.contact-section .section-sub { color: rgba(220,230,255,0.7); margin: 0 auto 3rem; }
.contact-cards {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.25rem; margin-bottom: 2.5rem; text-align: left;
}
.contact-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius); padding: 1.75rem;
}
.contact-card-icon { font-size: 1.6rem; margin-bottom: 0.6rem; }
.contact-card h4 {
  font-size: 0.8rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.08em; color: rgba(255,255,255,0.5); margin-bottom: 0.4rem;
}
.contact-card p { font-size: 1rem; color: #fff; margin: 0; line-height: 1.5; }
.contact-card a { color: #fff; text-decoration: none; }
.contact-card a:hover { text-decoration: underline; opacity: 0.85; }
.btn-contact {
  background: var(--blue);
  color: #fff;
  font-weight: 700;
  box-shadow: 0 4px 20px rgba(37,99,235,0.4);
}
.btn-contact:hover { background: #1d4ed8; box-shadow: 0 6px 28px rgba(37,99,235,0.5); color: #fff; }

/* ── Fade-in Animationen ── */
.fade { opacity: 0; transform: translateY(18px); animation: fadeUp 0.65s ease forwards; }
@keyframes fadeUp { to { opacity: 1; transform: translateY(0); } }
.fade:nth-child(1) { animation-delay: 0.05s; }
.fade:nth-child(2) { animation-delay: 0.15s; }
.fade:nth-child(3) { animation-delay: 0.25s; }
.fade:nth-child(4) { animation-delay: 0.35s; }
.fade:nth-child(5) { animation-delay: 0.45s; }

/* ── Footer ── */
.footer {
  position: relative; z-index: 1;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  padding: 3.5rem 0 2rem;
}
.footer-grid {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr 1.2fr;
  gap: 2rem; margin-bottom: 3rem;
}
.footer-logo { font-size: 1rem; font-weight: 800; margin-bottom: 0.6rem; color: var(--text); }
.footer-logo span { color: var(--blue); }
.footer-tagline { font-size: 0.88rem; color: var(--text-2); }
.footer-col h4 { font-size: 0.78rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-2); margin-bottom: 1rem; }
.footer-links { list-style: none; padding: 0; }
.footer-links li { margin-bottom: 0.5rem; }
.footer-links a { font-size: 0.88rem; color: var(--text-2); text-decoration: none; transition: color 0.15s; }
.footer-links a:hover { color: var(--text); }
.footer-contact p { font-size: 0.88rem; color: var(--text-2); line-height: 1.8; margin: 0; }
.footer-bottom {
  border-top: 1px solid var(--border); padding-top: 1.5rem;
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 0.5rem;
}
.footer-bottom p { font-size: 0.82rem; color: var(--text-2); }
@media (max-width: 1000px) { .footer-grid { grid-template-columns: 1fr 1fr 1fr; } }
@media (max-width: 640px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 400px) { .footer-grid { grid-template-columns: 1fr; } }