/* ==========================================================================
   Elektro Gröbel – Styling
   CI: Schwarz #0B0F1A · Verlauf #F5B301→#FF8C00 · Grau #C0C7D2/#8A93A6
   Schrift: System-Font-Stack (keine externen Fonts – sicher & schnell)
   ========================================================================== */

:root {
  --ink: #0B0F1A;
  --ink-soft: #1a2030;
  --accent-1: #F5B301;
  --accent-2: #FF8C00;
  --accent-grad: linear-gradient(135deg, #F5B301 0%, #FF8C00 100%);
  --gray-line: #E0E4EA;
  --gray-mid: #C0C7D2;
  --gray-text: #4a4f5c;
  --gray-sub: #8A93A6;
  --gray-sub-text: #5f6778;   /* Grau für Text auf hellem Grund, Kontrast 5,3:1 */
  --accent-text: #9a6700;     /* Akzent für Text auf hellem Grund, Kontrast 4,6:1 */
  --bg: #ffffff;
  --bg-soft: #F7F8FA;
  --bg-dark: #0B0F1A;
  --radius: 14px;
  --shadow: 0 8px 30px rgba(11, 15, 26, 0.10);
  --shadow-lg: 0 20px 60px rgba(11, 15, 26, 0.18);
  --font: "Helvetica Neue", Helvetica, Arial, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--ink); text-decoration: none; }
a:hover { color: var(--accent-text); }

h1, h2, h3, h4 { line-height: 1.2; font-weight: 700; margin: 0 0 0.5em; }
h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); letter-spacing: -0.01em; }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1em; }

.container { width: min(1140px, 92%); margin-inline: auto; }
.section { padding: clamp(3.5rem, 8vw, 6rem) 0; }
.section--soft { background: var(--bg-soft); }
.section--dark { background: var(--bg-dark); color: #fff; }

.section-head { max-width: 720px; margin-bottom: clamp(2rem, 5vw, 3.5rem); }
.section-head .eyebrow {
  display: inline-block; font-size: 0.8rem; font-weight: 700;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent-text);
  margin-bottom: 0.75rem;
}
.section-head p { color: var(--gray-text); font-size: 1.05rem; }

/* Skip-Link für Barrierefreiheit */
.skip-link {
  position: absolute; top: -100px; left: 16px; z-index: 1000;
  background: var(--ink); color: #fff; padding: 10px 18px; border-radius: 6px;
  transition: top 0.2s;
}
.skip-link:focus { top: 12px; }

/* ---------- Header / Navigation ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--gray-line);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  height: 76px;
}
.nav-brand { display: flex; align-items: center; gap: 10px; font-weight: 700; }
.nav-brand .logo-mark { height: 40px; width: auto; }
.nav-brand .brand-name { font-size: 1.15rem; letter-spacing: -0.01em; }
.nav-brand .brand-name small {
  display: block; font-size: 0.6rem; font-weight: 400;
  color: var(--gray-sub-text); letter-spacing: 0.18em; text-transform: uppercase;
}
.nav-links {
  display: flex; align-items: center; gap: 1.6rem; list-style: none; margin: 0; padding: 0;
}
.nav-links a { font-weight: 500; font-size: 0.98rem; padding: 6px 0; }
.nav-links a[aria-current="page"] { color: var(--accent-text); }
.nav-cta {
  display: inline-block; padding: 10px 22px; border-radius: 999px;
  background: var(--accent-grad); color: var(--ink) !important; font-weight: 700;
  font-size: 0.95rem; box-shadow: 0 4px 14px rgba(245, 179, 1, 0.4);
}
.nav-cta:hover { filter: brightness(1.05); color: var(--ink); }
/* „Jetzt anfragen“ im Menü: .nav-links a (Abstand 6px 0) überschrieb Padding und Größe des Knopfs – gezielter Selektor, Größe wie .btn (30.09.2026) */
.nav-links .nav-cta { padding: 11px 24px; font-size: 1rem; }

.nav-toggle {
  display: none; background: none; border: none; cursor: pointer;
  width: 42px; height: 42px; padding: 8px;
}
.nav-toggle span {
  display: block; width: 100%; height: 2px; background: var(--ink);
  margin: 6px 0; transition: transform 0.2s, opacity 0.2s;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background:
    radial-gradient(1000px 500px at 85% -10%, rgba(255, 140, 0, 0.12), transparent 60%),
    radial-gradient(800px 400px at 10% 110%, rgba(245, 179, 1, 0.10), transparent 60%),
    var(--bg);
  padding: clamp(4rem, 10vw, 7rem) 0;
}
.hero-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.hero .eyebrow {
  display: inline-block; font-size: 0.8rem; font-weight: 700;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent-text); margin-bottom: 1rem;
}
.hero h1 { margin-bottom: 0.5em; }
.hero h1 .accent { background: linear-gradient(135deg, #9a6700 0%, #b04a00 100%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p.lead { font-size: 1.15rem; color: var(--gray-text); max-width: 34em; margin-bottom: 1.8rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 28px; border-radius: 999px; font-weight: 700; font-size: 1rem;
  transition: transform 0.15s, box-shadow 0.15s;
}
.btn--primary { background: var(--accent-grad); color: var(--ink); box-shadow: 0 6px 20px rgba(245, 179, 1, 0.45); }
.btn--primary:hover { transform: translateY(-2px); color: var(--ink); box-shadow: 0 10px 28px rgba(245, 179, 1, 0.55); }
.btn--ghost { border: 1.5px solid var(--gray-line); color: var(--ink); background: #fff; }
.btn--ghost:hover { border-color: var(--ink); color: var(--ink); transform: translateY(-2px); }
.btn--dark { background: var(--ink); color: #fff; }
.btn--dark:hover { background: #000; color: #fff; transform: translateY(-2px); }

.hero-visual {
  position: relative;
  background: linear-gradient(160deg, #121a30 0%, #0B0F1A 100%);
  border-radius: 24px; padding: clamp(2rem, 5vw, 3rem);
  color: #fff; box-shadow: var(--shadow-lg);
  display: flex; flex-direction: column; gap: 1.4rem;
}
.hero-visual img.logo-hero { width: 190px; margin: 0 auto; }
.hero-visual .stat-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; text-align: center; }
.hero-visual .stat { background: rgba(255, 255, 255, 0.06); border: 1px solid rgba(255, 255, 255, 0.12); border-radius: 12px; padding: 14px 6px; }
.hero-visual .stat strong { display: block; font-size: 1.4rem; }
.hero-visual .stat span { font-size: 0.8rem; color: var(--gray-mid); letter-spacing: 0.06em; text-transform: uppercase; }

.hero-badges { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 2rem; }
.hero-badges .badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: #fff; border: 1px solid var(--gray-line); border-radius: 999px;
  padding: 8px 16px; font-size: 0.85rem; font-weight: 500; color: var(--gray-text);
}
.hero-badges .badge .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent-1); }

/* ---------- Leistungskarten ---------- */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(320px, 100%), 1fr)); gap: 22px; }
.card {
  background: #fff; border: 1px solid var(--gray-line); border-radius: var(--radius);
  padding: 28px; box-shadow: 0 2px 10px rgba(11, 15, 26, 0.04);
  transition: transform 0.2s, box-shadow 0.2s; display: flex; flex-direction: column;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.card .icon {
  width: 52px; height: 52px; border-radius: 12px; background: var(--bg-soft);
  display: flex; align-items: center; justify-content: center; margin-bottom: 16px;
}
.card .icon svg { width: 26px; height: 26px; stroke: var(--accent-text); fill: none; stroke-width: 1.8; }
.card h3 { margin-bottom: 0.4em; }
.card p { color: var(--gray-text); font-size: 0.95rem; flex: 1; }
.card ul { margin: 0.4rem 0 0; padding-left: 1.1rem; color: var(--gray-text); font-size: 0.92rem; }
.card ul li { margin-bottom: 0.3rem; }
.card .more { margin-top: 16px; font-weight: 600; font-size: 0.9rem; color: var(--accent-text); }
.card .more:hover { color: var(--ink); }

/* ---------- Vorteile ---------- */
.benefits { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(250px, 100%), 1fr)); gap: 18px; }
.benefit {
  border-left: 3px solid var(--accent-1); background: #fff;
  border-radius: 0 var(--radius) var(--radius) 0; padding: 20px 24px;
  box-shadow: 0 2px 10px rgba(11, 15, 26, 0.04);
}
.benefit h3 { font-size: 1.05rem; margin-bottom: 0.3em; }
.benefit p { color: var(--gray-text); font-size: 0.92rem; margin: 0; }

/* ---------- Ablauf ---------- */
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(220px, 100%), 1fr)); gap: 20px; counter-reset: step; }
.step { position: relative; padding: 24px 22px; background: #fff; border: 1px solid var(--gray-line); border-radius: var(--radius); }
.step::before {
  counter-increment: step; content: "0" counter(step);
  font-size: 0.8rem; font-weight: 700; letter-spacing: 0.12em; color: var(--ink);
  background: var(--accent-grad); border-radius: 999px; width: 34px; height: 34px;
  display: inline-flex; align-items: center; justify-content: center; margin-bottom: 12px;
}
.step h3 { font-size: 1rem; margin-bottom: 0.3em; }
.step p { color: var(--gray-text); font-size: 0.9rem; margin: 0; }

/* ---------- CTA ---------- */
.cta {
  background:
    radial-gradient(700px 300px at 80% 20%, rgba(255, 140, 0, 0.18), transparent 60%),
    var(--bg-dark);
  color: #fff; text-align: center; padding: clamp(3.5rem, 8vw, 5.5rem) 0;
}
.cta h2 { margin-bottom: 0.4em; }
.cta p { color: var(--gray-mid); max-width: 40em; margin: 0 auto 1.8rem; }
.cta .cta-actions { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }
.cta .small { margin-top: 1rem; font-size: 0.8rem; color: var(--gray-sub); }

/* ---------- Über ---------- */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.about-grid .card { box-shadow: 0 2px 10px rgba(11, 15, 26, 0.04); }
.profile-card { text-align: center; padding: 32px; }
.profile-card .avatar {
  width: 160px; height: 160px; margin: 0 auto 16px; border-radius: 50%; overflow: hidden;
  background: var(--gray-line);
}
.profile-card h3 { margin-bottom: 0.15em; }
.profile-card .role { color: var(--accent-text); font-weight: 600; font-size: 0.95rem; margin-bottom: 1rem; }

.check-list { list-style: none; padding: 0; margin: 1.2rem 0 0; }
.check-list li { display: flex; gap: 10px; margin-bottom: 0.6rem; color: var(--gray-text); }
.check-list li::before { content: "✓"; color: var(--accent-text); font-weight: 700; flex-shrink: 0; width: 1.3em; text-align: center; }
/* Noch nicht vorhanden (z. B. TREI-Schein bis zur Prüfung 2027): Sanduhr statt Haken */
.check-list li.pending::before { content: "⏳"; font-weight: 400; }

/* ---------- Kontakt ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: clamp(2rem, 5vw, 3.5rem); align-items: start; }
.contact-info .info-item { display: flex; gap: 14px; margin-bottom: 1.4rem; align-items: flex-start; }
.contact-info .info-icon {
  width: 46px; height: 46px; border-radius: 12px; background: var(--bg-soft); flex-shrink: 0;
  display: flex; align-items: center; justify-content: center; color: var(--accent-text);
}
.contact-info .info-icon svg { width: 22px; height: 22px; stroke: var(--accent-text); fill: none; stroke-width: 1.8; }
.contact-info h2, .contact-info h3 { font-size: 1.05rem; letter-spacing: 0; margin-bottom: 0.1em; }
.contact-info p { color: var(--gray-text); margin: 0; }
.contact-info p a { font-weight: 600; }

.form-card { background: #fff; border: 1px solid var(--gray-line); border-radius: var(--radius); padding: clamp(1.5rem, 4vw, 2.5rem); box-shadow: var(--shadow); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-weight: 600; font-size: 0.9rem; margin-bottom: 6px; }
.form-group label .req { color: var(--accent-text); }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 12px 14px; border: 1px solid var(--gray-sub); border-radius: 10px;
  font-family: var(--font); font-size: 0.98rem; color: var(--ink); background: #fff;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none; border-color: var(--accent-2); box-shadow: 0 0 0 3px rgba(255, 140, 0, 0.15);
}
.form-group textarea { resize: vertical; min-height: 130px; }
.form-hint { font-size: 0.875rem; color: var(--gray-sub-text); margin-top: 10px; }
.form-success {
  display: none; background: #eafaf0; border: 1px solid #bfe8cf; color: #14532d;
  padding: 14px 16px; border-radius: 10px; margin-top: 14px; font-size: 0.92rem;
}

/* ---------- Footer ---------- */
.site-footer { background: var(--bg-dark); color: #c6cbd6; padding: clamp(2.5rem, 6vw, 4rem) 0 2rem; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: clamp(2rem, 4vw, 3rem); margin-bottom: 2.5rem; }
.footer-brand img { width: 120px; margin-bottom: 14px; }
.footer-brand p { color: var(--gray-mid); font-size: 0.92rem; max-width: 30em; }
.site-footer h3 { color: #fff; font-size: 0.95rem; margin-bottom: 1rem; letter-spacing: 0.04em; }
.footer-links { list-style: none; margin: 0; padding: 0; }
.footer-links li { margin-bottom: 0.55rem; }
.footer-links a { color: var(--gray-mid); font-size: 0.92rem; }
.footer-links a:hover { color: var(--accent-1); }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1); padding-top: 1.5rem;
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px;
  font-size: 0.82rem; color: var(--gray-sub);
}
.footer-bottom a { color: var(--gray-sub); }
.footer-bottom a:hover { color: var(--accent-1); }

/* ---------- Unternehmensseiten ---------- */
.page-hero { background: linear-gradient(160deg, #121a30 0%, #0B0F1A 100%); color: #fff; padding: clamp(3rem, 7vw, 5rem) 0; }
.page-hero .eyebrow { color: var(--accent-1); font-size: 0.8rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; margin-bottom: 0.8rem; }
.page-hero h1 { margin-bottom: 0.4em; }
.page-hero p { color: var(--gray-mid); max-width: 40em; }

/* Legal-Seiten (Impressum/Datenschutz) */
.legal { max-width: 760px; }
.legal h2 { font-size: 1.3rem; margin-top: 2rem; }
.legal h3 { font-size: 1.05rem; margin-top: 1.4rem; }
.legal p, .legal li { color: var(--gray-text); font-size: 0.95rem; }
.legal ul { padding-left: 1.2rem; }
.legal address { font-style: normal; color: var(--gray-text); }

/* 404 */
.error-page { text-align: center; padding: clamp(4rem, 10vw, 7rem) 0; }
.error-page .code {
  font-size: clamp(4rem, 12vw, 7rem); font-weight: 200; line-height: 1;
  background: linear-gradient(135deg, #9a6700 0%, #b04a00 100%); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.error-page p { color: var(--gray-text); max-width: 30em; margin: 0 auto 1.8rem; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero-grid, .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .hero-visual { margin-top: 1rem; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
}

@media (max-width: 700px) {
  .nav-toggle { display: block; }
  .nav-links {
    display: none; position: absolute; top: 76px; left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--gray-line);
    flex-direction: column; align-items: stretch; gap: 0; padding: 8px 6%;
    box-shadow: 0 20px 40px rgba(11, 15, 26, 0.12);
  }
  .nav-links.open { display: flex; }
  .nav-links li { border-bottom: 1px solid var(--gray-line); }
  .nav-links li:last-child { border-bottom: none; }
  .nav-links a { display: block; padding: 14px 4px; font-size: 1.05rem; }
  .nav-links .nav-cta { margin: 12px 0; text-align: center; }
  .form-row { grid-template-columns: 1fr; }
  .hero-actions, .cta-actions { flex-direction: column; }
  .hero-actions .btn, .cta-actions .btn { justify-content: center; }
}

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

/* ---------- Druck ---------- */
@media print {
  .site-header, .site-footer, .nav-cta, .hero-actions, .cta-actions, .skip-link { display: none !important; }
  body { font-size: 12pt; }
  .section { padding: 1.5rem 0; }
  .card, .hero-visual { box-shadow: none; border: 1px solid #ccc; }
}

/* ------------------------------------------------------------------
   Hilfsklassen statt style="…"
   Die Content-Security-Policy des Hostings verbietet Inline-Styles
   (style-src 'self'). Diese Klassen ersetzen die bisherigen
   style-Attribute in kontakt.html, ueber-uns.html, leistungen.html
   und 404.html.
   ------------------------------------------------------------------ */
.u-center          { justify-content: center; }
.u-no-pad-bottom   { padding-bottom: 0; }
.u-muted           { color: var(--gray-text); }
.u-muted-small     { color: var(--gray-text); font-size: 0.95rem; }
.u-note            { color: var(--gray-text); font-size: 0.875rem; }
.u-tight-bottom    { margin-bottom: 1.2rem; }
.u-space-top       { margin-top: 1.6rem; }
.u-label           { font-weight: 500; }
.btn--submit       { border: none; cursor: pointer; }

.site-footer a:hover, .footer-bottom a:hover { color: var(--accent-1); }

/* Hinweis- und Platzhalter-Elemente (03.10.2026) */
.card li.later { list-style: none; margin-left: -1.1rem; color: var(--gray-text); }
.card li.later::before { content: "⏳ "; }
.notice { border-left: 3px solid var(--accent-1); background: #fff; padding: 1rem 1.2rem; border-radius: 8px; color: var(--gray-text); box-shadow: 0 2px 10px rgba(11, 15, 26, 0.04); }
.profile-card .avatar img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 30%; display: block; }
.card p { flex: 0 0 auto; }
.card ul { flex: 1 1 auto; }
.check-list li { text-align: left; }
label.u-label { display: block; position: relative; padding-left: 28px; }
label.u-label input[type="checkbox"] { position: absolute; left: 0; top: 0.3em; width: auto; margin: 0; }
.hero-grid > *, .contact-grid > *, .about-grid > * { min-width: 0; }
@media (max-width: 900px) {
  .hero-grid, .about-grid, .contact-grid { grid-template-columns: minmax(0, 1fr); }
  .hero-visual .stat strong { font-size: 1.05rem; overflow-wrap: anywhere; }
  .hero-visual .stat span { font-size: 0.8rem; }
}
.contact-info, .info-item p, .info-item h2 { overflow-wrap: anywhere; }
h1, h2 { overflow-wrap: break-word; hyphens: auto; }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 2px solid var(--accent-text); outline-offset: 2px; }
.form-group input:focus-visible, .form-group select:focus-visible, .form-group textarea:focus-visible { outline: 2px solid var(--accent-text); outline-offset: 1px; }
.form-group [aria-invalid="true"] { border-color: #b42318; }
.card h2, .info-item h2 { font-size: 1.2rem; letter-spacing: 0; margin-bottom: 0.4em; }
.info-item h2 { font-size: 1.05rem; margin-bottom: 0.2em; }
.profile-card h2 { font-size: 1.2rem; letter-spacing: 0; margin-bottom: 0.15em; }
.hero-visual .stat span { text-transform: none; letter-spacing: 0; overflow-wrap: anywhere; hyphens: auto; }
.hero-visual .stat { min-width: 0; }
.hero-visual .stat strong { font-size: clamp(0.95rem, 1.7vw, 1.4rem); overflow-wrap: anywhere; }
.hero-visual .stat-row { gap: 8px; }
.hero-visual .stat { padding-left: 4px; padding-right: 4px; }