/* =========================================================
   KFZ-Gutachter Website – Stylesheet
   Design-Idee: gestaltet wie ein technisches Prüfprotokoll /
   Schadengutachten – ruhig, präzise, amtlich-seriös.
   ========================================================= */

:root {
  /* Farben */
  --bg: #ffffff;
  --surface: #ffffff;
  --surface-alt: #efeeeb;
  --ink: #161616;
  --ink-dim: #4c4e50;
  --ink-faint: #8b8d8f;
  --accent: #d11f2c;       /* Signalrot */
  --accent-ink: #ffffff;
  --accent-2: #161616;     /* Schwarz als zweiter Akzent */
  --line: #e6e4e0;
  --line-strong: #d2cfca;
  --danger: #b3261e;
  --ink-inverse: #ffffff;

  /* Typografie */
  --font-display: "Barlow Condensed", "Arial Narrow", sans-serif;
  --font-body: "Work Sans", "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", "Consolas", monospace;

  --radius: 2px;
  --max-width: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 28px;
}

/* ---------- Utility-Typografie ---------- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: "";
  width: 18px;
  height: 1px;
  background: var(--accent);
  display: inline-block;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.005em;
  margin: 0 0 0.4em 0;
  color: var(--ink);
}

h1 { font-size: clamp(2.6rem, 5vw, 4.1rem); line-height: 1.02; font-weight: 700; }
h2 { font-size: clamp(1.9rem, 3.4vw, 2.7rem); line-height: 1.08; }
h3 { font-size: 1.35rem; line-height: 1.2; }

p { color: var(--ink-dim); margin: 0 0 1em 0; }
p.lead { color: var(--ink); font-size: 1.15rem; }

.mono { font-family: var(--font-mono); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 22px;
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.15s ease, background 0.15s ease, border-color .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: var(--accent);
  color: var(--accent-ink);
}
.btn-primary:hover { background: #a91622; }
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line-strong);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- Header ---------- */
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;
  justify-content: space-between;
  padding: 16px 0;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.01em;
}
.brand-mark {
  height: 50px;
  width: auto;
  flex-shrink: 0;
  display: block;
}

nav.main-nav { display: flex; align-items: center; gap: 30px; }
nav.main-nav a {
  font-size: 14.5px;
  color: var(--ink-dim);
  transition: color .15s ease;
}
nav.main-nav a:hover, nav.main-nav a.active { color: var(--ink); }
nav.main-nav a.active { color: var(--accent); }

.reg-tag {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--ink-faint);
  letter-spacing: 0.05em;
  border: 1px solid var(--line-strong);
  padding: 5px 10px;
  border-radius: var(--radius);
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  color: var(--ink);
  width: 42px;
  height: 38px;
  font-size: 19px;
  line-height: 1;
  cursor: pointer;
  flex-shrink: 0;
}
.nav-toggle:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- Hero ---------- */
.hero {
  padding: 76px 0 90px;
  border-bottom: 1px solid var(--line);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}
.hero h1 { margin-top: 18px; }
.hero .lead { max-width: 46ch; margin-top: 20px; }
.hero-ctas { display: flex; gap: 14px; margin-top: 32px; flex-wrap: wrap; }

.trust-bar {
  margin-top: 52px;
  display: grid;
  grid-template-columns: repeat(3, auto);
  gap: 36px;
  border-top: 1px solid var(--line);
  padding-top: 24px;
}
.trust-bar div strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.7rem;
  color: var(--ink);
  font-weight: 700;
}
.trust-bar div span {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--ink-faint);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ---------- Diagramm-Signaturelement ---------- */
.diagram-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  position: relative;
}
.diagram-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-faint);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.diagram-svg { width: 100%; height: auto; }
.diagram-svg .car-outline { fill: none; stroke: var(--ink-dim); stroke-width: 1.6; }
.diagram-svg .car-detail { fill: none; stroke: var(--line-strong); stroke-width: 1; }
.diagram-svg .point-dot { fill: var(--accent); }
.diagram-svg .point-line { stroke: var(--accent); stroke-width: 1; stroke-dasharray: 2 3; }
.diagram-svg .point-label {
  font-family: var(--font-mono);
  font-size: 9.5px;
  fill: var(--ink-dim);
}
.diagram-legend {
  margin-top: 14px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px 18px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--ink-dim);
}
.diagram-legend span.num { color: var(--accent); margin-right: 6px; }

/* ---------- Sections generic ---------- */
section { padding: 84px 0; border-bottom: 1px solid var(--line); }
section:last-of-type { border-bottom: none; }
.section-head { max-width: 62ch; margin-bottom: 48px; }
.section-head h2 { margin-top: 14px; }

/* ---------- Ablauf ---------- */
.process-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
}
.process-item {
  padding: 26px 22px 26px 10px;
  border-right: 1px solid var(--line);
}
.process-item:last-child { border-right: none; }
.process-num {
  font-family: var(--font-mono);
  color: var(--accent);
  font-size: 13px;
  display: block;
  margin-bottom: 14px;
}
.process-item h3 { font-size: 1.15rem; margin-bottom: 8px; }
.process-item p { font-size: 14.5px; margin: 0; }

/* ---------- Leistungen ---------- */
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.service-card {
  background: var(--surface);
  padding: 30px 26px;
}
.service-card h3 { margin-bottom: 10px; }
.service-card p { font-size: 14.5px; margin-bottom: 0; }
.service-tag {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--accent-2);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
  display: block;
}

/* ---------- Über mich ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 56px;
  align-items: start;
}
.portrait-frame {
  aspect-ratio: 4/5;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-faint);
  font-family: var(--font-mono);
  font-size: 12px;
  text-align: center;
  padding: 20px;
}
.cred-list { list-style: none; margin: 24px 0 0; padding: 0; }
.cred-list li {
  display: flex;
  gap: 14px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
  font-size: 14.5px;
  color: var(--ink-dim);
}
.cred-list li:last-child { border-bottom: 1px solid var(--line); }
.cred-list .cred-mark { color: var(--accent); font-family: var(--font-mono); flex-shrink: 0; }

/* ---------- Kontakt ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
}
.contact-info dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px 20px;
  font-size: 14.5px;
}
.contact-info dt {
  font-family: var(--font-mono);
  color: var(--ink-faint);
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: 0.05em;
  align-self: center;
}
.contact-info dd { margin: 0; color: var(--ink); }

form.protocol-form {
  border-left: 2px solid var(--accent);
  padding-left: 26px;
}
.form-row { margin-bottom: 20px; }
.form-row label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-faint);
  margin-bottom: 8px;
}
.form-row input, .form-row textarea {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  color: var(--ink);
  padding: 12px 14px;
  font-family: var(--font-body);
  font-size: 14.5px;
}
.form-row input:focus, .form-row textarea:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
  border-color: var(--accent);
}
.form-row textarea { min-height: 120px; resize: vertical; }
.form-note { font-size: 12.5px; color: var(--ink-faint); margin-top: 14px; }

/* ---------- Legal pages ---------- */
.legal-content h2 { margin-top: 40px; font-size: 1.4rem; }
.legal-content h2:first-child { margin-top: 0; }
.legal-content p, .legal-content li { color: var(--ink-dim); font-size: 15px; }

/* ---------- Footer ---------- */
footer.site-footer {
  padding: 44px 0;
  background: var(--ink);
  border-top: 3px solid var(--accent);
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px;
}
.footer-brand { display: flex; align-items: center; gap: 14px; }
.footer-logo { height: 48px; width: auto; }
.footer-links { display: flex; gap: 24px; }
.footer-links a { font-size: 13.5px; color: #b9b9b9; }
.footer-links a:hover { color: var(--accent); }
.footer-meta { font-family: var(--font-mono); font-size: 11.5px; color: #8a8a8a; }

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

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn:hover { transform: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .diagram-card { order: -1; }
  .about-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .process-list { grid-template-columns: 1fr 1fr; }
  .process-item { border-right: none; border-bottom: 1px solid var(--line); padding: 22px 0; }
  .service-grid { grid-template-columns: 1fr; }
  .trust-bar { grid-template-columns: 1fr; gap: 16px; }
}

@media (max-width: 700px) {
  nav.main-nav { display: none; }
  .nav-toggle { display: flex; }
  .reg-tag { display: none; }
  body.nav-open nav.main-nav {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--line);
    padding: 20px 28px;
    gap: 18px;
  }
  .process-list { grid-template-columns: 1fr; }
  section { padding: 56px 0; }
}