/* ---------- Grundlagen ---------- */
:root {
  /* Farben aus dem Logo: Navy (#1d3b78) und Hellblau (#3a9be8) */
  --ink: #0f1b33;
  --ink-soft: #2a3854;
  --muted: #5b6780;
  --line: #e1e5ee;
  --bg: #ffffff;
  --bg-soft: #f4f6fa;
  --accent: #1d3b78;
  --accent-hover: #152c5c;
  --accent-ink: #ffffff;
  --spark: #3a9be8;
  --spark-soft: #8cc4f2;
  --radius: 4px;
  --max: 1200px;
  --gutter: clamp(20px, 5vw, 48px);
  --font: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { margin: 0; font-weight: 600; letter-spacing: -0.02em; line-height: 1.15; }
h1 { font-size: clamp(2.4rem, 5.2vw, 4.2rem); }
h2 { font-size: clamp(1.8rem, 3.2vw, 2.6rem); }
h3 { font-size: 1.2rem; letter-spacing: -0.01em; }
p { margin: 0; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }

.container { width: 100%; max-width: var(--max); margin: 0 auto; padding-inline: var(--gutter); }

.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 18px;
}

.lead { font-size: clamp(1.05rem, 1.4vw, 1.2rem); color: var(--muted); max-width: 40em; }

.section { padding-block: clamp(72px, 10vw, 128px); }
.section[id] { scroll-margin-top: 110px; }
.section--soft { background: var(--bg-soft); }
.section--dark { background: var(--ink); color: #fff; }
.section--dark .lead { color: #aeb8cc; }
.section--dark .eyebrow { color: var(--spark-soft); }

.section-head { display: grid; grid-template-columns: 1fr 1fr; gap: 32px 64px; align-items: end; margin-bottom: 56px; }
.section-head .lead { justify-self: end; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 24px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: background .2s, color .2s, border-color .2s, transform .2s;
}
.btn svg { width: 18px; height: 18px; transition: transform .2s; }
.btn:hover svg { transform: translateX(3px); }
.btn--primary { background: var(--accent); color: var(--accent-ink); }
.btn--primary:hover { background: var(--accent-hover); }
.btn--ghost { border-color: var(--line); color: var(--ink); background: transparent; }
.btn--ghost:hover { border-color: var(--ink); }
.btn--light { background: #fff; color: var(--ink); }
.btn--light:hover { background: #e8eef3; }
.btn[disabled] { opacity: .6; cursor: wait; }

.text-link { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; font-size: 0.95rem; color: var(--accent); }
.text-link svg { width: 16px; height: 16px; transition: transform .2s; }
.text-link:hover svg { transform: translateX(3px); }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.topbar { background: var(--ink); color: #c4ced8; font-size: 0.8rem; }
.topbar .container { display: flex; justify-content: flex-end; gap: 28px; padding-block: 8px; }
.topbar a:hover { color: #fff; }

.nav { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.brand { display: inline-flex; align-items: center; gap: 16px; color: var(--accent); }
.brand-mark { height: 34px; width: auto; flex: none; }
.brand-name {
  padding-left: 16px; border-left: 1px solid currentColor;
  font-size: 0.82rem; font-weight: 600; letter-spacing: 0.2em; text-transform: uppercase; line-height: 1.9;
}

.nav-links { display: flex; align-items: center; gap: 36px; font-size: 0.95rem; font-weight: 500; }
.nav-links a:not(.btn) { color: var(--ink-soft); position: relative; padding-block: 6px; }
.nav-links a:not(.btn)::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: 0; height: 2px;
  background: var(--accent); transition: right .25s;
}
.nav-links a:not(.btn):hover::after, .nav-links a.active::after { right: 0; }
.nav-links .btn { padding: 11px 20px; }

.nav-toggle { display: none; background: none; border: 0; padding: 8px; cursor: pointer; color: var(--ink); }
.nav-toggle svg { width: 26px; height: 26px; }

/* ---------- Hero ---------- */
.hero { padding-block: clamp(56px, 8vw, 104px) clamp(72px, 9vw, 120px); }
.hero-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(40px, 6vw, 88px); align-items: center; }
.hero h1 { margin-bottom: 28px; }
.hero h1 span { color: var(--accent); }
.hero .lead { margin-bottom: 40px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-facts { display: flex; flex-wrap: wrap; gap: 12px 32px; margin-top: 48px; padding-top: 28px; border-top: 1px solid var(--line); }
.hero-facts li { display: flex; align-items: center; gap: 10px; font-size: 0.92rem; color: var(--ink-soft); }
.hero-facts svg { width: 18px; height: 18px; color: var(--accent); flex: none; }

/* Vorher/Nachher-Visual */
.compare {
  position: relative;
  aspect-ratio: 5 / 4;
  border-radius: var(--radius);
  overflow: hidden;
  cursor: ew-resize;
  user-select: none;
  touch-action: pan-y;
  box-shadow: 0 30px 60px -30px rgba(15, 27, 51, 0.45);
  --pos: 50%;
}
.compare svg { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.compare .clean { clip-path: inset(0 0 0 var(--pos)); }
.compare-divider {
  position: absolute; top: 0; bottom: 0; left: var(--pos); width: 2px;
  background: #fff; transform: translateX(-1px); pointer-events: none;
}
.compare-handle {
  position: absolute; top: 50%; left: 50%; width: 44px; height: 44px; border-radius: 50%;
  background: #fff; transform: translate(-50%, -50%);
  display: grid; place-items: center; color: var(--ink);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.25);
}
.compare-handle svg { position: static; width: 22px; height: 22px; }
.compare-label {
  position: absolute; bottom: 16px; padding: 6px 12px; border-radius: 2px;
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase;
  background: rgba(15, 27, 51, 0.75); color: #fff; pointer-events: none;
}
.compare-label--before { left: 16px; }
.compare-label--after { right: 16px; background: rgba(255, 255, 255, 0.9); color: var(--ink); }

/* ---------- Leistungen ---------- */
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.service-card {
  position: relative;
  display: flex; flex-direction: column; gap: 16px;
  padding: 40px 36px 36px;
  border-right: 1px solid var(--line); border-bottom: 1px solid var(--line);
  background: var(--bg);
  transition: background .25s;
}
.service-card:hover { background: var(--bg-soft); }
.service-card::before {
  content: ""; position: absolute; left: 0; top: 0; height: 2px; width: 0;
  background: var(--accent); transition: width .35s;
}
.service-card:hover::before { width: 100%; }
.service-icon { width: 44px; height: 44px; color: var(--accent); }
.service-num { position: absolute; top: 40px; right: 36px; font-size: 0.8rem; color: var(--muted); font-variant-numeric: tabular-nums; }
.service-card p { color: var(--muted); font-size: 0.97rem; flex: 1; }
.service-card .text-link { margin-top: 8px; }

/* ---------- Vorgehen ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; counter-reset: step; }
.step { padding: 32px 32px 0 0; border-top: 1px solid rgba(255, 255, 255, 0.18); position: relative; }
.step::before {
  counter-increment: step; content: "0" counter(step);
  display: block; font-size: 0.85rem; font-weight: 600; color: var(--spark-soft); margin-bottom: 20px;
}
.step::after {
  content: ""; position: absolute; top: -4px; left: 0; width: 7px; height: 7px; border-radius: 50%; background: var(--spark-soft);
}
.step h3 { margin-bottom: 10px; }
.step p { color: #aeb8cc; font-size: 0.96rem; }

/* ---------- Werte ---------- */
.values { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; }
.value { border-left: 2px solid var(--accent); padding-left: 22px; }
.value h3 { margin-bottom: 10px; }
.value p { color: var(--muted); font-size: 0.96rem; }

/* ---------- CTA ---------- */
.cta { display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.cta h2 { max-width: 18em; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 14px; }

/* ---------- Seitenkopf (Unterseiten) ---------- */
.page-head { padding-block: clamp(56px, 7vw, 96px) clamp(40px, 5vw, 64px); border-bottom: 1px solid var(--line); }
.breadcrumb { display: flex; gap: 10px; font-size: 0.85rem; color: var(--muted); margin-bottom: 28px; }
.breadcrumb a:hover { color: var(--ink); }
.page-head h1 { font-size: clamp(2.2rem, 4.4vw, 3.6rem); margin-bottom: 20px; }

/* ---------- Leistungsdetail ---------- */
.detail { display: grid; grid-template-columns: 1.4fr 1fr; gap: clamp(40px, 6vw, 96px); align-items: start; }
.detail-body > p { font-size: 1.1rem; color: var(--ink-soft); margin-bottom: 56px; }
.detail-body h2 { font-size: 1.5rem; margin-bottom: 24px; }
.process-list { counter-reset: p; border-top: 1px solid var(--line); }
.process-list li { display: flex; gap: 24px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.process-list li::before { counter-increment: p; content: "0" counter(p); font-weight: 600; color: var(--accent); font-size: 0.9rem; padding-top: 2px; min-width: 24px; }

.aside-card { position: sticky; top: 140px; background: var(--bg-soft); padding: 36px; border-radius: var(--radius); }
.aside-card h3 { margin-bottom: 20px; }
.check-list li { display: flex; gap: 12px; padding: 10px 0; color: var(--ink-soft); }
.check-list svg { width: 20px; height: 20px; color: var(--accent); flex: none; margin-top: 3px; }
.aside-card .btn { width: 100%; justify-content: center; margin-top: 28px; }
.aside-card .aside-phone { display: block; text-align: center; margin-top: 16px; font-size: 0.9rem; color: var(--muted); }

.other-services { display: flex; flex-wrap: wrap; gap: 10px; }
.chip { padding: 10px 18px; border: 1px solid var(--line); border-radius: 999px; font-size: 0.92rem; transition: border-color .2s, background .2s; background: var(--bg); }
.chip:hover { border-color: var(--ink); }

/* ---------- Kontakt ---------- */
.contact { display: grid; grid-template-columns: 1fr 1.5fr; gap: clamp(40px, 6vw, 96px); align-items: start; }
.contact-info dl { margin: 0; border-top: 1px solid var(--line); }
.contact-info div { padding: 20px 0; border-bottom: 1px solid var(--line); }
.contact-info dt { font-size: 0.78rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); margin-bottom: 4px; }
.contact-info dd { margin: 0; font-weight: 500; }
.contact-info a:hover { color: var(--accent); }

.form { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field--full { grid-column: 1 / -1; }
.field label { font-size: 0.85rem; font-weight: 600; color: var(--ink-soft); }
.field input, .field select, .field textarea {
  font: inherit; font-size: 1rem; color: var(--ink);
  padding: 14px 16px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg);
  transition: border-color .2s, box-shadow .2s;
}
.field textarea { min-height: 160px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(29, 59, 120, 0.15);
}
.consent { grid-column: 1 / -1; display: flex; gap: 12px; align-items: flex-start; font-size: 0.88rem; color: var(--muted); }
.consent input { margin-top: 4px; accent-color: var(--accent); width: 16px; height: 16px; flex: none; }
.consent a { text-decoration: underline; }
.form-footer { grid-column: 1 / -1; display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.form-error { color: #b42318; font-size: 0.92rem; }

.success { padding: 48px; background: var(--bg-soft); border-radius: var(--radius); }
.success svg { width: 44px; height: 44px; color: var(--accent); margin-bottom: 20px; }
.success h2 { font-size: 1.6rem; margin-bottom: 12px; }

/* ---------- Rechtliches ---------- */
.prose { max-width: 46em; }
.prose h2 { font-size: 1.3rem; margin: 40px 0 12px; }
.prose p { color: var(--ink-soft); margin-bottom: 12px; }
.placeholder-note { padding: 16px 20px; background: #fff8e6; border-left: 3px solid #e0a100; font-size: 0.92rem; margin-bottom: 32px; }

/* ---------- Footer ---------- */
.site-footer { background: var(--ink); color: #aeb8cc; font-size: 0.92rem; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 48px; padding-block: 72px 56px; }
.footer-grid h4 { margin: 0 0 18px; color: #fff; font-size: 0.78rem; letter-spacing: 0.14em; text-transform: uppercase; font-weight: 600; }
.footer-grid li { margin-bottom: 10px; }
.footer-grid a:hover { color: #fff; }
.site-footer .brand { color: #fff; margin-bottom: 20px; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.1); }
.footer-bottom .container { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; padding-block: 24px; font-size: 0.85rem; }
.footer-bottom nav { display: flex; gap: 24px; }

/* ---------- Seitenwechsel ---------- */
.app > * { animation: fade-in .35s ease both; }
@keyframes fade-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

.loading { min-height: 60vh; }

/* ---------- Responsive ---------- */
@media (max-width: 1000px) {
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); row-gap: 40px; }
  .values { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 860px) {
  .topbar { display: none; }
  .nav-toggle { display: block; }
  .nav-links {
    position: absolute; top: 76px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: #fff; border-bottom: 1px solid var(--line);
    padding: 8px var(--gutter) 24px;
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a:not(.btn) { padding: 14px 0; border-bottom: 1px solid var(--line); }
  .nav-links a:not(.btn)::after { display: none; }
  .nav-links .btn { margin-top: 16px; justify-content: center; }

  .hero-grid, .detail, .contact, .section-head { grid-template-columns: 1fr; }
  .section-head .lead { justify-self: start; }
  .aside-card { position: static; }
}

@media (max-width: 600px) {
  body { font-size: 16px; }
  .service-grid, .steps, .values, .form { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .service-card { padding: 32px 24px; }
  .service-num { top: 32px; right: 24px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}