/* ============ Basis ============ */
:root {
  --ink: #101828;
  --ink-soft: #344054;
  --muted: #667085;
  --line: #eaecf0;
  --bg: #ffffff;
  --bg-tint: #f4f7fb;
  --dark: #101828;
  --dark-soft: #1d2939;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --accent-soft: #eff4ff;
  --green: #067647;
  --red: #b42318;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(16, 24, 40, 0.08);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.container { max-width: 1080px; margin: 0 auto; padding: 0 24px; }
.container.narrow { max-width: 880px; }
.center { text-align: center; }

h1 { font-size: clamp(2rem, 4.5vw, 3.1rem); line-height: 1.15; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); line-height: 1.25; letter-spacing: -0.01em; margin-bottom: 16px; }
h3 { font-size: 1.08rem; margin-bottom: 8px; }

h1 em, h2 em { font-style: normal; color: var(--accent); }
.section-dark h1 em, .section-dark h2 em { color: #7ab3ff; }

/* ============ Buttons ============ */
.btn {
  display: inline-block;
  border-radius: 10px;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.15s ease, transform 0.15s ease;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-1px); }
.btn-large { font-size: 1.1rem; padding: 16px 36px; }
.btn-small { font-size: 0.9rem; padding: 9px 18px; }

.cta-note { font-size: 0.85rem; color: var(--muted); margin-top: 12px; }
.section-dark .cta-note { color: #98a2b3; }

/* ============ Header ============ */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; gap: 28px; height: 64px; }
.brand { font-weight: 800; font-size: 1.15rem; color: var(--ink); text-decoration: none; }
.brand span { color: var(--accent); }
.main-nav { margin-left: auto; display: flex; gap: 22px; }
.main-nav a { color: var(--ink-soft); text-decoration: none; font-size: 0.95rem; }
.main-nav a:hover { color: var(--accent); }

/* ============ Hero ============ */
.hero {
  padding: 88px 0 72px;
  background:
    radial-gradient(1100px 500px at 80% -10%, var(--accent-soft), transparent),
    var(--bg);
  text-align: center;
}
.hero .badge {
  display: inline-block;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 22px;
}
.hero-sub {
  max-width: 680px;
  margin: 20px auto 0;
  font-size: 1.15rem;
  color: var(--ink-soft);
}
.hero-cta { margin-top: 34px; }
.trust-row {
  list-style: none;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px 32px;
  margin-top: 38px;
  color: var(--ink-soft);
  font-size: 0.93rem;
}

/* ============ Sections ============ */
.section { padding: 80px 0; }
.section-tint { background: var(--bg-tint); }
.section-dark { background: var(--dark); color: #fff; }
.section-dark h2 { color: #fff; }
.section-sub { color: var(--muted); max-width: 640px; margin-bottom: 36px; }
.center .section-sub { margin-left: auto; margin-right: auto; }

/* ============ Problem ============ */
.section-dark h2 { text-align: center; margin-bottom: 40px; }
.problem-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.problem-card {
  background: var(--dark-soft);
  border: 1px solid #344054;
  border-radius: var(--radius);
  padding: 26px;
}
.problem-card p { color: #cdd5df; font-size: 0.95rem; }

/* ============ Module ============ */
.module-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.module-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: var(--shadow);
  background: #fff;
}
.module-card-wide { grid-column: span 3; }
.module-card p { color: var(--ink-soft); font-size: 0.94rem; }
.filetag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  padding: 4px 10px;
  border-radius: 6px;
  margin-bottom: 14px;
}
.filetag-pdf  { background: #fee4e2; color: #b42318; }
.filetag-docx { background: #d1e9ff; color: #175cd3; }
.filetag-pptx { background: #ffead5; color: #b93815; }
.filetag-xlsx { background: #d3f8df; color: #067647; }

/* ============ Schritte ============ */
.steps { list-style: none; counter-reset: step; display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.steps li {
  counter-increment: step;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 24px 24px;
  position: relative;
}
.steps li::before {
  content: counter(step);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px; height: 34px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  margin-bottom: 14px;
}
.steps p { color: var(--ink-soft); font-size: 0.94rem; }

/* ============ Zielgruppe ============ */
.fit-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.fit-card { border-radius: var(--radius); padding: 28px; }
.fit-yes { background: #f0fdf4; border: 1px solid #bbf7d0; }
.fit-no  { background: #fef3f2; border: 1px solid #fecdca; }
.fit-yes h3 { color: var(--green); }
.fit-no h3 { color: var(--red); }
.fit-card ul { list-style: none; margin-top: 12px; }
.fit-card li { padding: 7px 0; font-size: 0.95rem; color: var(--ink-soft); }

/* ============ Preis ============ */
.price-box {
  background: var(--dark-soft);
  border: 1px solid #344054;
  border-radius: 20px;
  padding: 48px 40px;
  text-align: center;
  max-width: 560px;
  margin: 0 auto;
}
.price-eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.78rem;
  font-weight: 700;
  color: #7ab3ff;
  margin-bottom: 10px;
}
.price { font-size: 1.4rem; color: #98a2b3; }
.price strong { font-size: 3.2rem; color: #fff; margin: 0 6px; }
.price-vat { font-size: 0.95rem; }
.price-sub { color: #cdd5df; margin: 10px 0 26px; font-size: 0.95rem; }
.price-list {
  list-style: none;
  text-align: left;
  margin: 0 auto 30px;
  max-width: 400px;
  color: #e3e8ef;
  font-size: 0.96rem;
}
.price-list li { padding: 6px 0; border-bottom: 1px solid #344054; }
.price-list li:last-child { border-bottom: none; }

/* ============ FAQ ============ */
#faq details {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 18px 22px;
  margin-bottom: 12px;
  background: #fff;
}
#faq summary {
  cursor: pointer;
  font-weight: 600;
  list-style: none;
  position: relative;
  padding-right: 28px;
}
#faq summary::-webkit-details-marker { display: none; }
#faq summary::after {
  content: "+";
  position: absolute; right: 0; top: 0;
  font-size: 1.3rem; color: var(--accent);
}
#faq details[open] summary::after { content: "–"; }
#faq details p { margin-top: 12px; color: var(--ink-soft); font-size: 0.95rem; }

/* ============ Footer ============ */
.site-footer { border-top: 1px solid var(--line); padding: 28px 0; }
.footer-inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: 0.85rem; color: var(--muted); }
.site-footer nav { display: flex; gap: 18px; }
.site-footer a { color: var(--muted); text-decoration: none; }
.site-footer a:hover { color: var(--accent); }

/* ============ Danke-Seite ============ */
.thanks-wrap { max-width: 620px; margin: 80px auto; padding: 0 24px; text-align: center; }
.thanks-card {
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: var(--shadow);
  padding: 52px 40px;
}
.thanks-icon { font-size: 3rem; }
.thanks-card h1 { font-size: 1.7rem; margin: 14px 0 10px; }
.thanks-card p { color: var(--ink-soft); }
.thanks-card .btn { margin-top: 26px; }
.thanks-hint { font-size: 0.88rem; color: var(--muted); margin-top: 20px; }

/* ============ Rechtsseiten ============ */
.legal-wrap { max-width: 760px; margin: 56px auto 80px; padding: 0 24px; }
.legal-wrap h1 { font-size: 1.9rem; margin-bottom: 24px; }
.legal-wrap h2 { font-size: 1.2rem; margin: 32px 0 10px; }
.legal-wrap p, .legal-wrap li { color: var(--ink-soft); font-size: 0.97rem; }
.legal-wrap ul { padding-left: 22px; }
.legal-back { display: inline-block; margin-bottom: 28px; color: var(--accent); text-decoration: none; font-size: 0.92rem; }
.placeholder-note {
  background: #fffaeb;
  border: 1px solid #fedf89;
  color: #93370d;
  border-radius: 10px;
  padding: 14px 18px;
  font-size: 0.9rem;
  margin-bottom: 28px;
}

/* ============ Responsive ============ */
@media (max-width: 860px) {
  .module-grid { grid-template-columns: 1fr 1fr; }
  .module-card-wide { grid-column: span 2; }
  .steps { grid-template-columns: 1fr; }
  .problem-grid { grid-template-columns: 1fr; }
  .fit-grid { grid-template-columns: 1fr; }
  .main-nav { display: none; }
}
@media (max-width: 560px) {
  .module-grid { grid-template-columns: 1fr; }
  .module-card-wide { grid-column: span 1; }
  .section { padding: 56px 0; }
  .hero { padding: 64px 0 52px; }
  .price-box { padding: 36px 22px; }
}