/* ==========================================================================
   AK Front Sicherheit & Service GmbH – Stylesheet
   Palette: Marineblau (#0F2A43) & Anthrazit (#2B2F33), Akzent Stahlblau (#3E7CB1)
   ========================================================================== */

:root {
  --navy: #0F2A43;
  --anthracite: #2B2F33;
  --accent: #3E7CB1;
  --accent-light: #E6EEF4;
  --bg-light: #F4F5F6;
  --white: #FFFFFF;
  --text: #1A1D1F;
  --text-muted: #5B6167;
  --border: #E2E4E6;
  --radius-sm: 6px;
  --radius: 12px;
  --max-width: 1140px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--text);
  line-height: 1.6;
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

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

a { color: inherit; text-decoration: none; }

ul { list-style: none; }

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

section { padding: 96px 0; }

/* Eyebrow label + headline pattern ---------------------------------------- */
.eyebrow {
  display: block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.section-head {
  max-width: 640px;
  margin-bottom: 56px;
}

.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

h1, h2, h3 { color: var(--navy); font-weight: 700; line-height: 1.25; overflow-wrap: break-word; hyphens: auto; }

h2 { font-size: 34px; }

.section-sub {
  margin-top: 16px;
  color: var(--text-muted);
  font-size: 17px;
}

/* Buttons ------------------------------------------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 15px;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: background-color .15s ease, border-color .15s ease, color .15s ease;
}

.btn.btn-primary { background: var(--navy); color: var(--white); }
.btn.btn-primary:hover { background: #163a5c; color: var(--white); }

.btn.btn-outline { background: transparent; border-color: var(--navy); color: var(--navy); }
.btn.btn-outline:hover { background: var(--navy); color: var(--white); }

.btn.btn-ghost-light { background: transparent; border-color: rgba(255,255,255,.5); color: var(--white); }
.btn.btn-ghost-light:hover { background: rgba(255,255,255,.12); color: var(--white); }

/* Header -------------------------------------------------------------------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  color: var(--navy);
}

.logo strong { font-weight: 700; }
.logo span { font-weight: 400; }

.logo .mark { color: var(--navy); flex-shrink: 0; }

.main-nav { display: flex; align-items: center; gap: 40px; }

.main-nav ul { display: flex; gap: 32px; }

.main-nav a {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}

.main-nav a:hover { color: var(--accent); }

.nav-toggle { display: none; }

/* Hero ----------------------------------------------------------------------- */
.hero {
  padding: 176px 0 96px;
  background: var(--bg-light);
}

.hero .container {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 56px;
  align-items: start;
}

.hero-media { margin-top: 6px; }

.hero h1 { font-size: 44px; margin: 14px 0 20px; }

.hero .section-sub { font-size: 18px; margin-top: 0; margin-bottom: 32px; }

.hero-ctas { display: flex; gap: 16px; flex-wrap: wrap; }

.hero-badges {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  margin-top: 32px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}

.hero-badge {
  display: flex;
  align-items: center;
  gap: 12px;
}

.hero-badge .badge-icon {
  flex-shrink: 0;
  width: 38px; height: 38px;
  display: flex; align-items: center; justify-content: center;
  background: var(--accent-light);
  border-radius: 50%;
  color: var(--navy);
}

.hero-badge span:last-child {
  font-size: 14px;
  font-weight: 600;
  color: var(--navy);
  line-height: 1.3;
  max-width: 120px;
}

.hero-media {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4 / 3;
}

.hero-media img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* Leistungen ------------------------------------------------------------------ */
.cards-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
}

.card .icon {
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  background: var(--accent-light);
  border-radius: var(--radius-sm);
  color: var(--navy);
  margin-bottom: 20px;
  transition: background-color .2s ease, color .2s ease;
}

.card h3 { font-size: 19px; margin-bottom: 8px; }

.card p { color: var(--text-muted); font-size: 15px; margin-bottom: 16px; }

.card ul li {
  font-size: 14px;
  color: var(--text);
  padding-left: 18px;
  position: relative;
  margin-bottom: 8px;
}

.card ul li::before {
  content: "";
  position: absolute;
  left: 0; top: 8px;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

/* Leistungen (Security-Kacheln) --------------------------------------------------- */
.tiles-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.tile {
  position: relative;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .2s ease, box-shadow .2s ease;
}

.tile:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(15, 42, 67, .1);
}

.tile-media { position: relative; border-radius: 0; border: none; aspect-ratio: 4 / 3; overflow: hidden; }

.tile-media img { width: 100%; height: 100%; object-fit: cover; display: block; }

.tile-body { padding: 24px 22px 24px; }

.tile-icon {
  position: absolute;
  top: 16px;
  left: 16px;
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  background: var(--navy);
  border: none;
  border-radius: var(--radius-sm);
  color: var(--white);
  margin: 0;
  box-shadow: 0 4px 14px rgba(0, 0, 0, .3);
  transition: background-color .2s ease;
}

.tile:hover .tile-icon { background: var(--accent); }

.tile-body h3 { font-size: 17px; margin-bottom: 6px; }
.tile-body p { color: var(--text-muted); font-size: 14px; }

.tiles-more {
  margin-top: 32px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 14px;
  color: var(--text-muted);
}

.pill {
  background: var(--accent-light);
  color: var(--navy);
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
}

/* Vorteile ---------------------------------------------------------------------- */
.vorteile { background: var(--bg-light); }

.cards-4 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.cards-4 .card {
  background: var(--white);
  border-bottom: 3px solid transparent;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}

.cards-4 .card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(15, 42, 67, .07);
  border-bottom-color: var(--accent);
}

.cards-4 .card:hover .icon { background: var(--navy); color: var(--white); }

/* FAQ ---------------------------------------------------------------------- */
.faq { background: var(--bg-light); }

.faq-list {
  max-width: 760px;
  margin: 0 auto;
  display: grid;
  gap: 14px;
}

.faq-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0 24px;
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 0;
  font-weight: 600;
  font-size: 16px;
  color: var(--navy);
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item .faq-chevron {
  flex-shrink: 0;
  color: var(--accent);
  transition: transform .2s ease;
}

.faq-item[open] .faq-chevron { transform: rotate(180deg); }

.faq-item p {
  padding: 0 0 20px;
  color: var(--text-muted);
  font-size: 15px;
  max-width: 640px;
}

/* Kontakt ---------------------------------------------------------------------- */
.kontakt { background: var(--navy); color: var(--white); }

.kontakt .eyebrow { color: #8FB6D6; }
.kontakt h2 { color: var(--white); }
.kontakt .section-sub { color: #C7D3DC; }
.kontakt .section-head { max-width: 560px; }

.kontakt-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  max-width: 640px;
}

.kontakt-card {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.16);
  border-radius: var(--radius);
  padding: 24px;
}

.kontakt-card .label { font-size: 13px; color: #9FB3C4; margin-bottom: 6px; }
.kontakt-card .value { font-size: 17px; font-weight: 600; margin-bottom: 14px; }

.kontakt-address { margin-top: 32px; color: #C7D3DC; font-size: 15px; }

/* Footer ---------------------------------------------------------------------- */
.site-footer { background: var(--anthracite); color: #C6CACD; padding: 56px 0 28px; }

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 32px;
  flex-wrap: wrap;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255,255,255,.12);
}

.footer-top .logo { color: var(--white); }
.footer-top .logo .mark { color: var(--white); }

.footer-nav { display: flex; gap: 28px; flex-wrap: wrap; }
.footer-nav a { font-size: 14px; }
.footer-nav a:hover { color: var(--white); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 24px;
  font-size: 13px;
}

.footer-legal { display: flex; gap: 20px; }
.footer-legal a:hover { color: var(--white); }

/* Legal pages (Impressum / Datenschutz) ---------------------------------------------- */
.legal-page { padding: 160px 0 96px; max-width: 760px; }

.legal-page h1 { font-size: 32px; margin-bottom: 24px; }

.legal-page h2 { font-size: 20px; margin: 36px 0 12px; }

.legal-page p, .legal-page li { color: var(--text); font-size: 15px; margin-bottom: 10px; }

.legal-page ul li { padding-left: 16px; position: relative; }
.legal-page ul li::before { content: "–"; position: absolute; left: 0; }

.placeholder-note {
  background: #FBF3E3;
  border: 1px solid #EAD9AE;
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  font-size: 13px;
  color: #6B4E1A;
  margin-bottom: 32px;
}

/* Responsive ---------------------------------------------------------------------- */
@media (max-width: 1100px) {
  .tiles-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 860px) {
  section { padding: 72px 0; }
  h2 { font-size: 28px; }
  .hero { padding: 140px 0 64px; }
  .hero .container { grid-template-columns: 1fr; }
  .hero .container > * { min-width: 0; }
  .hero h1 { font-size: 32px; }
  .hero-media { order: -1; aspect-ratio: 16/9; }
  .hero-badges { gap: 18px 24px; }
  .hero-badge span:last-child { max-width: none; }
  .cards-3, .cards-4, .kontakt-grid, .tiles-grid { grid-template-columns: 1fr; }
  .main-nav ul, .main-nav .btn { display: none; }
  .nav-toggle { display: block; background: none; border: none; cursor: pointer; }
  .nav-toggle svg { width: 26px; height: 26px; color: var(--navy); }
  .site-header.nav-open .main-nav {
    position: absolute;
    top: 76px; left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--white);
    border-bottom: 1px solid var(--border);
    padding: 20px 24px 28px;
  }
  .site-header.nav-open .main-nav ul {
    display: flex;
    flex-direction: column;
    gap: 18px;
    margin-bottom: 20px;
  }
  .site-header.nav-open .main-nav .btn { display: inline-flex; justify-content: center; }
  .footer-top, .footer-bottom { flex-direction: column; align-items: flex-start; }
}