/* ============================================================
   ASS Müller GmbH – KFZ-Meisterwerkstatt Dortmund
   Global Stylesheet | Light Theme
   ============================================================ */

:root {
  --accent: #C1121F;
  --ar: 193; --ag: 18; --ab: 31;
  --dark: #ffffff;
  --surface: #f8f8f6;
  --text: #0a0f18;
  --text-muted: #6b7280;
  --border: rgba(0,0,0,0.08);
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
  --max-w: 1200px;
  --nav-h: 72px;
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--dark);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

/* ── Typography ── */
h1, h2, h3, h4 { line-height: 1.2; font-weight: 700; }
h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); }
h2 { font-size: clamp(1.7rem, 3.5vw, 2.4rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.5rem); }
p { color: var(--text-muted); line-height: 1.75; }

/* ── Layout ── */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }
.section { padding: 96px 0; }
.section--sm { padding: 64px 0; }
.section--surface { background: var(--surface); }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 48px; align-items: center; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* ── Buttons ── */
.btn-premium {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--accent);
  color: #fff;
  padding: 14px 32px;
  border-radius: 8px;
  font-size: 1rem; font-weight: 600;
  letter-spacing: 0.01em;
  transition: var(--transition);
  box-shadow: 0 4px 16px rgba(var(--ar),var(--ag),var(--ab),0.35);
  white-space: nowrap;
}
.btn-premium:hover {
  background: #a30e1a;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(var(--ar),var(--ag),var(--ab),0.45);
}
.btn-premium:active { transform: translateY(0); }

.btn-secondary {
  display: inline-flex; align-items: center; gap: 8px;
  background: transparent;
  color: var(--accent);
  padding: 13px 30px;
  border-radius: 8px;
  border: 2px solid var(--accent);
  font-size: 1rem; font-weight: 600;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-secondary:hover {
  background: var(--accent);
  color: #fff;
  transform: translateY(-2px);
}

/* ── Navigation ── */
.nav {
  position: sticky; top: 0; z-index: 1000;
  background: #fff;
  border-bottom: 1px solid var(--border);
  height: var(--nav-h);
  display: flex; align-items: center;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}
.nav__inner {
  display: flex; align-items: center; justify-content: space-between;
  width: 100%; max-width: var(--max-w); margin: 0 auto; padding: 0 24px;
}
.nav__logo {
  display: flex; align-items: center; gap: 12px;
  font-size: 1.2rem; font-weight: 800;
  color: var(--text);
}
.nav__logo img {
  height: 48px; width: auto; object-fit: contain;
}
.nav__links {
  display: flex; align-items: center; gap: 32px;
}
.nav__links a {
  font-size: 0.95rem; font-weight: 500;
  color: var(--text);
  position: relative;
  transition: color var(--transition);
}
.nav__links a::after {
  content: ''; position: absolute; bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--accent);
  transition: width var(--transition);
}
.nav__links a:hover, .nav__links a.active { color: var(--accent); }
.nav__links a:hover::after, .nav__links a.active::after { width: 100%; }
.nav__cta { margin-left: 16px; }

/* Hamburger */
.nav__hamburger {
  display: none; flex-direction: column; gap: 5px;
  cursor: pointer; padding: 4px; background: none; border: none;
}
.nav__hamburger span {
  display: block; width: 24px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}
.nav__hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__hamburger.open span:nth-child(2) { opacity: 0; }
.nav__hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu */
.nav__mobile {
  display: none;
  position: fixed; top: var(--nav-h); left: 0; right: 0;
  background: #fff;
  border-top: 1px solid var(--border);
  padding: 24px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.12);
  z-index: 999;
  flex-direction: column; gap: 16px;
}
.nav__mobile.open { display: flex; }
.nav__mobile a {
  font-size: 1.1rem; font-weight: 500;
  color: var(--text);
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  transition: color var(--transition);
}
.nav__mobile a:hover { color: var(--accent); }
.nav__mobile .btn-premium { margin-top: 8px; text-align: center; justify-content: center; }

/* ── Hero ── */
.hero {
  position: relative; overflow: hidden;
  min-height: calc(100vh - var(--nav-h));
  display: flex; align-items: center;
}
.hero__bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  background-repeat: no-repeat;
}
.hero__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(
    105deg,
    rgba(10,15,24,0.78) 0%,
    rgba(10,15,24,0.45) 60%,
    transparent 100%
  );
}
.hero__content {
  position: relative; z-index: 2;
  max-width: 720px;
}
.hero__badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(var(--ar),var(--ag),var(--ab),0.15);
  border: 1px solid rgba(var(--ar),var(--ag),var(--ab),0.4);
  color: #fff;
  padding: 6px 16px; border-radius: 100px;
  font-size: 0.82rem; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase;
  margin-bottom: 24px;
}
.hero h1 { color: #fff; margin-bottom: 24px; }
.hero h2 {
  font-size: clamp(1rem, 2.2vw, 1.3rem);
  font-weight: 400;
  color: rgba(255,255,255,0.85);
  margin-bottom: 40px;
  max-width: 560px;
  line-height: 1.65;
}
.hero__actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero__actions .btn-secondary { color: #fff; border-color: rgba(255,255,255,0.6); }
.hero__actions .btn-secondary:hover { background: #fff; color: var(--accent); border-color: #fff; }

/* ── Stats bar ── */
.stats-bar {
  background: var(--accent);
  padding: 32px 0;
}
.stats-bar__grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 24px; text-align: center;
}
.stat-item__value {
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  font-weight: 800; color: #fff;
  line-height: 1;
}
.stat-item__label {
  font-size: 0.85rem; color: rgba(255,255,255,0.8);
  margin-top: 6px; font-weight: 500;
}

/* ── Section headers ── */
.section-header { text-align: center; margin-bottom: 64px; }
.section-header .eyebrow {
  display: inline-block;
  font-size: 0.78rem; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
.section-header h2 { color: var(--text); margin-bottom: 16px; }
.section-header p { max-width: 560px; margin: 0 auto; }

/* ── Cards ── */
.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: var(--transition);
}
.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: rgba(var(--ar),var(--ag),var(--ab),0.2);
}
.card__icon {
  width: 56px; height: 56px;
  background: rgba(var(--ar),var(--ag),var(--ab),0.1);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
  font-size: 1.6rem;
}
.card h3 { color: var(--text); margin-bottom: 12px; }

/* ── Service cards ── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}

/* ── Process steps ── */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  position: relative;
}
.process-grid::before {
  content: '';
  position: absolute;
  top: 32px; left: 12.5%; right: 12.5%;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), rgba(var(--ar),var(--ag),var(--ab),0.2));
}
.process-step { text-align: center; position: relative; }
.process-step__num {
  width: 64px; height: 64px;
  background: var(--accent);
  color: #fff;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; font-weight: 800;
  margin: 0 auto 20px;
  position: relative; z-index: 1;
  box-shadow: 0 4px 16px rgba(var(--ar),var(--ag),var(--ab),0.35);
}
.process-step h3 { color: var(--text); margin-bottom: 8px; }

/* ── Testimonials ── */
.testimonial-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  position: relative;
}
.testimonial-card::before {
  content: '"';
  position: absolute; top: 16px; left: 24px;
  font-size: 4rem; line-height: 1;
  color: rgba(var(--ar),var(--ag),var(--ab),0.15);
  font-family: Georgia, serif;
}
.testimonial-stars { color: #f59e0b; margin-bottom: 16px; font-size: 1rem; }
.testimonial-text { color: var(--text); font-style: italic; margin-bottom: 20px; }
.testimonial-author { font-weight: 700; color: var(--text); font-size: 0.9rem; }
.testimonial-location { font-size: 0.82rem; color: var(--text-muted); }

/* ── About section ── */
.about-img-wrap {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4/3;
}
.about-img-wrap img {
  width: 100%; height: 100%; object-fit: cover;
}
.about-checks { margin: 24px 0; display: flex; flex-direction: column; gap: 12px; }
.about-check {
  display: flex; align-items: flex-start; gap: 12px;
}
.about-check__icon {
  width: 24px; height: 24px; flex-shrink: 0;
  background: rgba(var(--ar),var(--ag),var(--ab),0.1);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--accent); font-size: 0.75rem; font-weight: 700;
  margin-top: 2px;
}
.about-check p { color: var(--text); margin: 0; }

/* ── CTA Banner ── */
.cta-banner {
  background: var(--accent);
  padding: 80px 0;
  text-align: center;
}
.cta-banner h2 { color: #fff; margin-bottom: 16px; }
.cta-banner p { color: rgba(255,255,255,0.85); margin-bottom: 40px; font-size: 1.1rem; }
.cta-banner .btn-secondary {
  color: #fff; border-color: rgba(255,255,255,0.7);
}
.cta-banner .btn-secondary:hover {
  background: #fff; color: var(--accent); border-color: #fff;
}

/* ── Contact form ── */
.contact-grid {
  display: grid; grid-template-columns: 1fr 1.5fr; gap: 64px; align-items: start;
}
.contact-info h3 { color: var(--text); margin-bottom: 16px; }
.contact-info p { margin-bottom: 24px; }
.contact-item {
  display: flex; gap: 16px; align-items: flex-start;
  margin-bottom: 20px;
}
.contact-item__icon {
  width: 48px; height: 48px; flex-shrink: 0;
  background: rgba(var(--ar),var(--ag),var(--ab),0.1);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
}
.contact-item__text strong { display: block; color: var(--text); font-size: 0.9rem; }
.contact-item__text span { color: var(--text-muted); font-size: 0.9rem; }

.form-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block; font-size: 0.875rem; font-weight: 600;
  color: var(--text); margin-bottom: 8px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-family: inherit; font-size: 0.95rem;
  color: var(--text); background: #fff;
  transition: border-color var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(var(--ar),var(--ag),var(--ab),0.1);
}
.form-group textarea { resize: vertical; min-height: 130px; }
.form-submit { width: 100%; justify-content: center; font-size: 1.05rem; padding: 16px; }
.form-note { text-align: center; font-size: 0.8rem; color: var(--text-muted); margin-top: 12px; }

/* ── Page hero (inner pages) ── */
.page-hero {
  background: var(--surface);
  padding: 80px 0 64px;
  text-align: center;
  border-bottom: 1px solid var(--border);
}
.page-hero .eyebrow {
  display: inline-block;
  font-size: 0.78rem; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 12px;
}
.page-hero h1 { color: var(--text); margin-bottom: 16px; }
.page-hero p { max-width: 560px; margin: 0 auto; font-size: 1.1rem; }

/* ── Breadcrumb ── */
.breadcrumb {
  display: flex; gap: 8px; align-items: center;
  font-size: 0.85rem; color: var(--text-muted);
  margin-bottom: 16px; justify-content: center;
}
.breadcrumb a { color: var(--accent); }
.breadcrumb span { color: var(--text-muted); }

/* ── Footer ── */
.footer {
  background: #0a0f18;
  color: rgba(255,255,255,0.75);
  padding: 64px 0 0;
}
.footer__grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px; padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer__brand p { font-size: 0.9rem; margin-top: 16px; line-height: 1.7; max-width: 280px; }
.footer__brand .footer-logo {
  font-size: 1.3rem; font-weight: 800; color: #fff;
  display: flex; align-items: center; gap: 10px;
}
.footer__brand .footer-logo img { height: 44px; width: auto; filter: brightness(10); }
.footer__col h4 {
  font-size: 0.85rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.1em;
  color: #fff; margin-bottom: 20px;
}
.footer__col ul { display: flex; flex-direction: column; gap: 10px; }
.footer__col ul li a {
  font-size: 0.9rem; color: rgba(255,255,255,0.65);
  transition: color var(--transition);
}
.footer__col ul li a:hover { color: #fff; }
.footer__bottom {
  padding: 20px 0;
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 12px;
}
.footer__bottom p { font-size: 0.82rem; color: rgba(255,255,255,0.4); margin: 0; }
.footer__bottom a { color: rgba(255,255,255,0.55); transition: color var(--transition); }
.footer__bottom a:hover { color: #fff; }
.skalator-badge {
  display: flex; align-items: center; gap: 6px;
  font-size: 0.78rem; color: rgba(255,255,255,0.35);
}
.skalator-badge a { color: rgba(255,255,255,0.5); }
.skalator-badge a:hover { color: #fff; }

/* ── Accordion (FAQ) ── */
.accordion-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
}
.accordion-btn {
  width: 100%; text-align: left;
  padding: 20px 24px;
  font-size: 1rem; font-weight: 600;
  color: var(--text); background: #fff;
  display: flex; justify-content: space-between; align-items: center;
  cursor: pointer; transition: background var(--transition);
}
.accordion-btn:hover { background: var(--surface); }
.accordion-btn svg {
  flex-shrink: 0; transition: transform var(--transition);
}
.accordion-btn.open svg { transform: rotate(180deg); }
.accordion-content {
  max-height: 0; overflow: hidden;
  transition: max-height 0.35s ease;
  background: var(--surface);
}
.accordion-content-inner { padding: 20px 24px; }
.accordion-content-inner p { color: var(--text-muted); }

/* ── Map placeholder ── */
.map-wrap {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}
.map-wrap iframe { display: block; }

/* ── Success banner ── */
.success-banner {
  display: none;
  background: #d1fae5; border: 1px solid #6ee7b7;
  color: #065f46; padding: 16px 20px; border-radius: 8px;
  margin-bottom: 20px; font-weight: 600;
}

/* ── Marken section ── */
.brands-strip {
  display: flex; flex-wrap: wrap; gap: 12px;
  align-items: center;
}
.brand-tag {
  padding: 8px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.875rem; font-weight: 600;
  color: var(--text);
  transition: var(--transition);
}
.brand-tag:hover {
  background: var(--accent);
  color: #fff; border-color: var(--accent);
}

/* ── Team card ── */
.team-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  text-align: center;
  transition: var(--transition);
}
.team-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.team-card__img {
  height: 260px;
  background: var(--surface);
  display: flex; align-items: center; justify-content: center;
  font-size: 5rem;
}
.team-card__body { padding: 24px; }
.team-card__body h3 { color: var(--text); margin-bottom: 4px; }
.team-card__body .role { color: var(--accent); font-size: 0.875rem; font-weight: 600; margin: 0; }

/* ── Responsive ── */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid::before { display: none; }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .stats-bar__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .grid-2 { grid-template-columns: 1fr; gap: 32px; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .form-row { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; gap: 32px; }
  .footer__bottom { flex-direction: column; text-align: center; }
  .nav__links, .nav__cta { display: none; }
  .nav__hamburger { display: flex; }
  .stats-bar__grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: 1fr 1fr; }
  .hero { min-height: 85vh; }
}

@media (max-width: 480px) {
  :root { --nav-h: 64px; }
  .container { padding: 0 16px; }
  h1 { font-size: 2rem; }
  .hero__actions { flex-direction: column; }
  .hero__actions a { width: 100%; justify-content: center; }
  .stats-bar__grid { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: 1fr 1fr; }
  .process-grid { grid-template-columns: 1fr; }
  .form-card { padding: 24px; }
}