/* ==========================================================================
   AR-Autoglas — Stylesheet
   Keine externen Schriftarten/Fonts (DSGVO: kein Google-Fonts-Ladevorgang),
   Systemschriften für beste Performance.
   ========================================================================== */

:root {
  --color-bg: #ffffff;
  --color-bg-alt: #f3f7fa;
  --color-bg-dark: #0b2338;
  --color-ink: #14232f;
  --color-ink-soft: #455662;
  --color-primary: #0b3d63;
  --color-primary-dark: #082943;
  --color-primary-light: #e7eff5;
  --color-accent: #ff7a1a;
  --color-accent-dark: #d9660c;
  --color-border: #e1e8ee;
  --color-white: #ffffff;
  --shadow-sm: 0 1px 3px rgba(11, 34, 56, 0.08);
  --shadow-md: 0 8px 24px rgba(11, 34, 56, 0.12);
  --radius: 12px;
  --radius-sm: 8px;
  --max-width: 1160px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-ink);
  background: var(--color-bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

h1, h2, h3, h4 {
  line-height: 1.25;
  font-weight: 800;
  color: var(--color-primary-dark);
  margin: 0 0 0.6em;
}

h1 { font-size: clamp(2rem, 4vw, 2.9rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
h3 { font-size: 1.25rem; }

p { margin: 0 0 1em; }

ul { margin: 0 0 1em; padding-left: 1.2em; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-accent);
  color: #fff;
  padding: 10px 16px;
  z-index: 1000;
  border-radius: 0 0 8px 0;
}
.skip-link:focus {
  left: 0;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 24px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 1rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.12s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }

.btn-primary {
  background: var(--color-accent);
  color: #fff;
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover { background: var(--color-accent-dark); color: #fff; }

.btn-outline {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.7);
  color: #fff;
}
.btn-outline:hover { background: rgba(255, 255, 255, 0.12); color: #fff; }

.btn-secondary {
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
}
.btn-secondary:hover { background: #dbe8f2; color: var(--color-primary-dark); }

.btn-block { width: 100%; justify-content: center; }

/* ---------- Header / Nav ---------- */
.site-header {
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--color-primary-dark);
}
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.brand-text small {
  display: block;
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--color-ink-soft);
  letter-spacing: 0.02em;
}

.main-nav ul {
  list-style: none;
  display: flex;
  gap: 6px;
  margin: 0;
  padding: 0;
}
.main-nav a {
  display: block;
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--color-ink);
  font-weight: 600;
  font-size: 0.95rem;
}
.main-nav a:hover,
.main-nav a[aria-current="page"] {
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  text-decoration: none;
}

.header-cta { display: flex; align-items: center; gap: 10px; }
.header-cta .btn-primary { padding: 11px 20px; }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-ink);
  position: relative;
  transition: 0.15s;
}
.nav-toggle span::before { position: absolute; top: -6px; }
.nav-toggle span::after { position: absolute; top: 6px; }

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(120deg, var(--color-primary-dark), var(--color-primary) 70%);
  color: #fff;
  overflow: hidden;
  position: relative;
}
.hero .container {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 40px;
  align-items: center;
  padding-top: 64px;
  padding-bottom: 64px;
}
.hero-eyebrow {
  display: inline-block;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.25);
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  margin-bottom: 18px;
}
.hero h1 { color: #fff; margin-bottom: 0.4em; }
.hero p.lead {
  font-size: 1.15rem;
  color: #dce9f4;
  max-width: 46ch;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 26px; }
.hero-media {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  aspect-ratio: 4 / 3;
}
.hero-media img { width: 100%; height: 100%; object-fit: cover; }

.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  margin-top: 34px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  font-size: 0.9rem;
  color: #cfe0ee;
}
.hero-trust strong { color: #fff; display: block; font-size: 1.1rem; }

/* ---------- Page header (Unterseiten) ---------- */
.page-hero {
  background: linear-gradient(120deg, var(--color-primary-dark), var(--color-primary) 70%);
  color: #fff;
  padding: 46px 0;
}
.page-hero h1 { color: #fff; margin-bottom: 8px; }
.page-hero p { color: #dce9f4; max-width: 60ch; margin-bottom: 0; }
.breadcrumb {
  font-size: 0.85rem;
  color: #b9d0e2;
  margin-bottom: 14px;
}
.breadcrumb a { color: #dce9f4; }
.breadcrumb ol { list-style: none; padding: 0; margin: 0; display: flex; gap: 6px; flex-wrap: wrap; }
.breadcrumb li:not(:last-child)::after { content: "›"; margin-left: 6px; color: #8fb0c8; }

/* ---------- Sections ---------- */
section { padding: 64px 0; }
.section-alt { background: var(--color-bg-alt); }
.section-dark {
  background: var(--color-bg-dark);
  color: #cfe0ee;
}
.section-dark h2, .section-dark h3 { color: #fff; }

.section-head {
  max-width: 66ch;
  margin: 0 0 40px;
}
.section-head .eyebrow {
  color: var(--color-accent-dark);
  font-weight: 800;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  display: block;
  margin-bottom: 8px;
}
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

/* ---------- Cards / Grids ---------- */
.grid { display: grid; gap: 24px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: var(--shadow-sm);
}
.card h3 { margin-bottom: 8px; }
.card p:last-child { margin-bottom: 0; }
.card ul { padding-left: 1.1em; margin-bottom: 0; }
.card a.card-link { font-weight: 700; }

.service-card {
  display: flex;
  flex-direction: column;
  height: 100%;
}

/* ---------- Steps ---------- */
.steps {
  counter-reset: step;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.step {
  position: relative;
  padding-top: 8px;
}
.step::before {
  counter-increment: step;
  content: counter(step);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #fff;
  font-weight: 800;
  margin-bottom: 14px;
}

/* ---------- Gallery marquee (Laufband) ---------- */
.marquee {
  overflow: hidden;
  width: 100%;
  margin-top: 40px;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
}
.marquee-track {
  display: flex;
  align-items: center;
  gap: 16px;
  width: max-content;
  animation: marquee-scroll 36s linear infinite;
}
.marquee:hover .marquee-track,
.marquee:focus-within .marquee-track {
  animation-play-state: paused;
}
.marquee-track img {
  height: 220px;
  width: auto;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
  object-fit: cover;
  box-shadow: var(--shadow-sm);
}
@keyframes marquee-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
@media (prefers-reduced-motion: reduce) {
  .marquee-track { animation: none; }
  .marquee { overflow-x: auto; }
}

/* ---------- FAQ ---------- */
.faq-item {
  border-bottom: 1px solid var(--color-border);
  padding: 18px 0;
}
.faq-item summary {
  cursor: pointer;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-primary-dark);
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  font-size: 1.4rem;
  color: var(--color-accent);
  flex-shrink: 0;
}
.faq-item[open] summary::after { content: "–"; }
.faq-item .faq-answer { margin-top: 12px; color: var(--color-ink-soft); }

/* ---------- Testimonials / social proof ---------- */
.review-cta {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  background: var(--color-primary-light);
  border-radius: var(--radius);
  padding: 28px 32px;
}

/* ---------- Partner badges ---------- */
.partners {
  display: flex;
  gap: 32px;
  align-items: center;
  flex-wrap: wrap;
}
.partners img { max-height: 60px; width: auto; }

/* ---------- CTA band ---------- */
.cta-band {
  background: linear-gradient(120deg, var(--color-accent-dark), var(--color-accent));
  color: #fff;
  border-radius: var(--radius);
  padding: 44px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.cta-band h2 { color: #fff; margin-bottom: 4px; }
.cta-band p { color: #fff0e4; margin-bottom: 0; }
.cta-band .btn-secondary { background: #fff; color: var(--color-accent-dark); }
.cta-band .btn-secondary:hover { background: #fff0e4; }

/* ---------- Forms ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 18px; }
.form-field.full { grid-column: 1 / -1; }
label { font-weight: 700; font-size: 0.92rem; }
input, textarea, select {
  font-family: inherit;
  font-size: 1rem;
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--color-ink);
}
input:focus, textarea:focus, select:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 1px;
}
textarea { resize: vertical; min-height: 130px; }
.hp-field { position: absolute; left: -9999px; top: -9999px; }
.form-note { font-size: 0.85rem; color: var(--color-ink-soft); margin-top: 10px; }

/* ---------- Contact info blocks ---------- */
.info-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-bg-dark);
  color: #b9cbdb;
  padding: 56px 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.1fr;
  gap: 32px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.site-footer h4 { color: #fff; font-size: 0.95rem; text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 16px; }
.site-footer a { color: #b9cbdb; }
.site-footer a:hover { color: #fff; }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.footer-brand p { color: #93aabd; max-width: 34ch; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  padding-top: 22px;
  font-size: 0.85rem;
  color: #7f97ab;
}
.social-row { display: flex; gap: 10px; margin-top: 6px; }
.social-row a {
  width: 38px; height: 38px; border-radius: 10px;
  background: rgba(255,255,255,0.08);
  display: flex; align-items: center; justify-content: center;
  color: #fff;
}
.social-row a:hover { background: var(--color-accent); text-decoration: none; }

/* ---------- Utilities ---------- */
.mt-0 { margin-top: 0; }
.text-center { text-align: center; }
.tag {
  display: inline-block;
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  font-weight: 700;
  font-size: 0.78rem;
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 10px;
}
.alert-note {
  background: #fff6ea;
  border: 1px solid #f3d9ab;
  border-radius: var(--radius-sm);
  padding: 16px 18px;
  font-size: 0.92rem;
  color: #6b4c14;
}

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .hero .container { grid-template-columns: 1fr; }
  .hero-media { order: -1; }
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  .main-nav { display: none; }
  .nav-toggle { display: flex; }
  .header-cta .nav-label { display: none; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .marquee-track img { height: 150px; }
  section { padding: 44px 0; }
  .cta-band { flex-direction: column; text-align: center; }
  .review-cta { flex-direction: column; text-align: center; }

  body.nav-open .main-nav {
    display: block;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
  }
  body.nav-open .main-nav ul { flex-direction: column; padding: 12px; gap: 4px; }
  body.nav-open .main-nav a { padding: 12px 14px; }
}