/* =========================================================
   UVV-Prüfservice – Stylesheet
   Design: Anthrazit + Beton-Grau + Signalgelb
   Typo:   Barlow Condensed (Display) · Barlow (Body) · IBM Plex Mono
   Schriften selbst gehostet (kein Google-Fonts-Request, DSGVO-neutral)
   ========================================================= */

@font-face {
  font-family: 'Barlow Condensed';
  src: url('fonts/barlow-condensed-latin-500-normal.woff2') format('woff2');
  font-weight: 500; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Barlow Condensed';
  src: url('fonts/barlow-condensed-latin-600-normal.woff2') format('woff2');
  font-weight: 600; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Barlow Condensed';
  src: url('fonts/barlow-condensed-latin-700-normal.woff2') format('woff2');
  font-weight: 700; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Barlow';
  src: url('fonts/barlow-latin-400-normal.woff2') format('woff2');
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Barlow';
  src: url('fonts/barlow-latin-500-normal.woff2') format('woff2');
  font-weight: 500; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Barlow';
  src: url('fonts/barlow-latin-600-normal.woff2') format('woff2');
  font-weight: 600; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'IBM Plex Mono';
  src: url('fonts/ibm-plex-mono-latin-400-normal.woff2') format('woff2');
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'IBM Plex Mono';
  src: url('fonts/ibm-plex-mono-latin-500-normal.woff2') format('woff2');
  font-weight: 500; font-style: normal; font-display: swap;
}


:root {
  --anthrazit:   #1b1e22;
  --anthrazit-2: #262b31;
  --beton:       #e7e9ec;
  --signal:      #f5b800;
  --white:       #ffffff;
  --bg:          #f3f4f6;
  --line:        #d6d9dd;
  --text:        #1b1e22;
  --text-muted:  #5a616a;

  --font-display: 'Barlow Condensed', system-ui, sans-serif;
  --font-body:    'Barlow', system-ui, sans-serif;
  --font-mono:    'IBM Plex Mono', monospace;

  --radius: 4px;
  --maxw:   1140px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.05;
  text-transform: uppercase;
  letter-spacing: 0.01em;
}

h1 { font-size: clamp(2.6rem, 6vw, 4.4rem); }
h2 { font-size: clamp(1.9rem, 3.6vw, 2.8rem); }
h3 { font-size: 1.4rem; }

p { color: var(--text); }

a { color: inherit; }

img, svg { display: block; max-width: 100%; }

.eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.eyebrow { color: var(--signal); }

.lead {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 56ch;
}

.norm {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  text-decoration: none;
  padding: 13px 28px 12px;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.12s ease, background 0.15s ease, color 0.15s ease;
}

.btn:active { transform: translateY(1px); }

.btn-primary { background: var(--signal); color: var(--anthrazit); }
.btn-primary:hover { background: #ffcb1f; }

.btn-ghost { border-color: var(--anthrazit); color: var(--anthrazit); }
.btn-ghost:hover { background: var(--anthrazit); color: var(--white); }

.dark .btn-ghost { border-color: var(--beton); color: var(--beton); }
.dark .btn-ghost:hover { background: var(--beton); color: var(--anthrazit); }

a:focus-visible, button:focus-visible, input:focus-visible,
select:focus-visible, textarea:focus-visible {
  outline: 3px solid var(--signal);
  outline-offset: 2px;
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--anthrazit);
  color: var(--beton);
  border-bottom: 3px solid var(--signal);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-mark {
  width: 34px; height: 34px;
  border-radius: 50%;
  background: var(--signal);
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--anthrazit);
}

.brand-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.25rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.brand-logo {
  height: 38px;
  width: auto;
  display: block;
}

.main-nav { display: flex; align-items: center; gap: 26px; }

.main-nav a {
  font-family: var(--font-display);
  font-size: 1.02rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  text-decoration: none;
  color: var(--beton);
  padding: 4px 0;
  border-bottom: 2px solid transparent;
}

.main-nav a:hover, .main-nav a.active { border-bottom-color: var(--signal); }

.main-nav .btn { padding: 8px 18px 7px; font-size: 0.95rem; }

/* ---------- Hero ---------- */

.hero {
  background:
    linear-gradient(120deg, var(--anthrazit) 0%, var(--anthrazit-2) 100%);
  color: var(--beton);
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  align-items: center;
  gap: 48px;
  padding: 88px 0;
}

.hero p.lead { color: #b9bec4; margin: 22px 0 34px; }

.hero-ctas { display: flex; flex-wrap: wrap; gap: 14px; }

.hero-facts {
  margin-top: 44px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: #9aa0a7;
}

.hero-facts span::before {
  content: "▸ ";
  color: var(--signal);
}

/* Prüfplakette */

.plakette-wrap { display: grid; place-items: center; }

.plakette { width: min(320px, 70vw); filter: drop-shadow(0 14px 30px rgba(0,0,0,0.45)); }

@media (prefers-reduced-motion: no-preference) {
  .plakette .ring { animation: spin 90s linear infinite; transform-origin: 50% 50%; }
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Sektionen ---------- */

.section { padding: 88px 0; }
.section.dark { background: var(--anthrazit); color: var(--beton); }
.section.dark .lead { color: #b9bec4; }
.section.dark h2, .section.dark h3 { color: var(--white); }
.section.tight { padding: 64px 0; }

.section-head { max-width: 720px; margin-bottom: 48px; }

/* Leistungen */

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-top: 4px solid var(--signal);
  border-radius: var(--radius);
  padding: 28px 26px 26px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.card h3 { color: var(--anthrazit); }

.card ul { list-style: none; }

.card li {
  padding-left: 18px;
  position: relative;
  font-size: 0.97rem;
  color: var(--text-muted);
}

.card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 7px;
  height: 7px;
  background: var(--signal);
}

.card .norm { margin-top: auto; padding-top: 8px; }

/* Ablauf */

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  counter-reset: step;
}

.step {
  position: relative;
  padding: 28px 22px 24px;
  background: var(--anthrazit-2);
  border-radius: var(--radius);
  border-left: 3px solid var(--signal);
}

.step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--signal);
}

.step h3 { color: var(--white); margin: 6px 0 8px; }
.step p { color: #b9bec4; font-size: 0.95rem; }

/* Prüfpflicht */

.duty-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}

.duty-list { list-style: none; display: grid; gap: 18px; }

.duty-list li {
  background: var(--white);
  border: 1px solid var(--line);
  border-left: 4px solid var(--signal);
  border-radius: var(--radius);
  padding: 18px 20px;
}

.duty-list strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--anthrazit);
  margin-bottom: 4px;
}

.duty-list li { color: var(--text-muted); font-size: 0.97rem; }

/* Region / CTA-Band */

.region-band {
  background: var(--signal);
  color: var(--anthrazit);
}

.region-band .container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 48px 24px;
}

.region-band h2 { color: var(--anthrazit); }
.region-band p { margin-top: 8px; max-width: 60ch; }

/* ---------- Kontakt ---------- */

.contact-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 48px;
  align-items: start;
}

.contact-box {
  background: var(--anthrazit);
  color: var(--beton);
  border-radius: var(--radius);
  border-top: 4px solid var(--signal);
  padding: 32px 30px;
}

.contact-box h3 { color: var(--white); margin-bottom: 18px; }

.contact-line {
  display: grid;
  gap: 2px;
  padding: 12px 0;
  border-bottom: 1px solid #34393f;
}
.contact-line:last-of-type { border-bottom: none; }

.contact-line .label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #9aa0a7;
}
.contact-line .value { font-size: 1.1rem; color: var(--white); }
.contact-line a { color: var(--signal); text-decoration: none; }

/* Formular */

.form-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 30px;
}

form { display: grid; gap: 18px; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }

label {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: grid;
  gap: 6px;
}

input, select, textarea {
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  width: 100%;
}

textarea { min-height: 130px; resize: vertical; }

.check {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-family: var(--font-body);
  font-size: 0.9rem;
  text-transform: none;
  letter-spacing: 0;
  color: var(--text-muted);
}

.check input { width: auto; margin-top: 3px; }

.form-note {
  font-size: 0.85rem;
  color: var(--text-muted);
  border-left: 3px solid var(--signal);
  padding-left: 12px;
}

/* ---------- Footer ---------- */

.site-footer {
  background: var(--anthrazit);
  color: #9aa0a7;
  border-top: 3px solid var(--signal);
  padding: 40px 0;
  font-size: 0.92rem;
  margin-top: auto;
}

.site-footer .container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
}

.site-footer a { color: var(--beton); text-decoration-color: var(--signal); }

/* ---------- Responsive ---------- */

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; padding: 64px 0; }
  .plakette-wrap { order: -1; }
  .cards, .steps { grid-template-columns: 1fr 1fr; }
  .duty-grid, .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .cards, .steps, .form-row { grid-template-columns: 1fr; }
  .main-nav { gap: 14px; }
  .main-nav a:not(.btn) { display: none; } /* mobil nur CTA-Button */
  .section { padding: 64px 0; }
}