/* =====================================================================
   BMZTL – Betriebsmedizinisches Zentrum Tecklenburger Land
   Gemeinsames Stylesheet (statische Website)
   Farben: Marken-Azurblau (#0098E0) als Akzent, dunkles Azur für UI/Text
   Schriften: systemseitig (kein externes CDN -> DSGVO-sauber)
   ===================================================================== */

:root {
  --ink:        #13242e;
  --muted:      #54677a;

  --azure:      #0098e0;   /* Logo-Farbe: dekorative Akzente, Linien, Hover */
  --azure-text: #0e6fa3;   /* textsicheres Azur: Eyebrows, Links */
  --blue:       #0b4a6f;   /* primäre UI-Fläche: Buttons, Nav-CTA, dunkler Block */
  --blue-deep:  #08374f;   /* Hover, Footer */
  --sky:        #7cc5ea;   /* helles Azur auf dunklem Grund */

  --signal:     #d8962f;   /* warmer Akzent, sparsam einsetzen */
  --signal-ink: #6e4810;

  --paper:      #f3f7fa;
  --surface:    #ffffff;
  --panel:      #e6eef4;
  --line:       #d2dee7;

  --container: 1120px;
  --radius: 14px;
  --radius-sm: 9px;
  --shadow: 0 1px 2px rgba(19,36,46,.05), 0 10px 30px -18px rgba(11,74,111,.35);

  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, Roboto, "Helvetica Neue", Arial, sans-serif;
}

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

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.65;
  font-size: 1.0625rem;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a { color: var(--blue); text-underline-offset: 3px; }
a:hover { color: var(--azure-text); }

h1, h2, h3 { line-height: 1.1; color: var(--ink); margin: 0 0 .4em; }
h1 { font-size: clamp(2.3rem, 5vw, 3.9rem); font-weight: 800; letter-spacing: -.022em; }
h2 { font-size: clamp(1.55rem, 3vw, 2.35rem); font-weight: 750; letter-spacing: -.015em; }
h3 { font-size: 1.2rem; font-weight: 700; letter-spacing: -.005em; }
p { margin: 0 0 1rem; }

.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: clamp(1.1rem, 4vw, 2rem); }

.eyebrow {
  display: inline-block;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--azure-text);
  margin: 0 0 .9rem;
}

.lead { font-size: clamp(1.1rem, 1.6vw, 1.3rem); color: var(--muted); max-width: 56ch; }

/* ---- Accessibility helpers ---- */
.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 200;
  background: var(--blue); color: #fff; padding: .7rem 1rem; border-radius: 0 0 var(--radius-sm) 0;
}
.skip-link:focus { left: 0; }

/* Fokus-Stil: gut sichtbar für Tastaturnutzer, WCAG 2.4.11 */
:focus-visible {
  outline: 3px solid var(--signal);
  outline-offset: 3px;
  border-radius: 3px;
  box-shadow: 0 0 0 6px rgba(216,150,47,.18);
}

/* Service-Icons (SVG inline) */
.svc-ico {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.2rem;
  height: 2.2rem;
  flex: 0 0 auto;
  color: var(--azure);
  vertical-align: middle;
  margin-right: .45rem;
}
.svc-ico svg { width: 100%; height: 100%; }

/* Icons in focus-cards */
.focus-card .svc-ico { display: block; margin: 0 0 .7rem; width: 2.4rem; height: 2.4rem; }

/* Icons in path-cards */
.path-card .svc-ico { display: block; margin: 0 0 .6rem; width: 2.6rem; height: 2.6rem; color: var(--blue); }
.path-card--private .svc-ico { color: var(--azure); }


   ===================================================================== */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(243,247,250,.9);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; min-height: 76px;
}
.brand { display: flex; align-items: center; gap: .7rem; text-decoration: none; color: var(--ink); }
.brand__mark { width: 46px; height: 46px; flex: 0 0 auto; }
.brand__text { display: flex; flex-direction: column; line-height: 1.05; }
.brand__name { font-weight: 800; letter-spacing: -.01em; font-size: 1.02rem; }
.brand__sub { font-size: .8rem; color: var(--muted); letter-spacing: .01em; }

.nav__links { display: flex; align-items: center; gap: .35rem; list-style: none; margin: 0; padding: 0; }
.nav__links a {
  display: inline-block; padding: .5rem .8rem; border-radius: 999px;
  text-decoration: none; color: var(--ink); font-weight: 600; font-size: .95rem;
}
.nav__links a:hover { background: var(--panel); color: var(--blue); }
.nav__links a[aria-current="page"] { color: var(--blue); background: var(--panel); }
.nav__cta {
  background: var(--blue) !important; color: #fff !important;
  padding: .55rem 1rem !important;
}
.nav__cta:hover { background: var(--blue-deep) !important; }

.nav__toggle {
  display: none; background: none; border: 1px solid var(--line);
  border-radius: 10px; padding: .5rem .6rem; cursor: pointer; color: var(--ink);
}

/* =====================================================================
   Diagnose-Linie (Signature-Element)
   ===================================================================== */
.diagline { display: block; width: 100%; height: 26px; color: var(--azure); opacity: .95; }
.diagline path { fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

/* =====================================================================
   Hero
   ===================================================================== */
.hero { padding: clamp(2.6rem, 7vw, 5.5rem) 0 clamp(2rem, 5vw, 3.5rem); }
.hero__inner { max-width: 62ch; }
.hero h1 { margin-bottom: .35em; }
.hero .lead { max-width: 60ch; }

/* Pfad-Fork (zwei Wege) */
.fork { display: grid; gap: 1.1rem; grid-template-columns: repeat(2, 1fr); margin-top: 2.4rem; }
.path-card {
  position: relative; display: flex; flex-direction: column;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.6rem 1.5rem; text-decoration: none; color: var(--ink);
  box-shadow: var(--shadow); transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
  overflow: hidden;
}
.path-card::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 4px;
  background: var(--blue);
}
.path-card--private::before { background: var(--azure); }
.path-card:hover { transform: translateY(-3px); border-color: var(--azure); }
.path-card__k { font-size: .72rem; font-weight: 700; letter-spacing: .2em; text-transform: uppercase; color: var(--muted); }
.path-card h2 { font-size: 1.5rem; margin: .5rem 0 .4rem; }
.path-card p { color: var(--muted); margin-bottom: 1.1rem; }
.path-card__go { margin-top: auto; font-weight: 700; color: var(--blue); display: inline-flex; align-items: center; gap: .4rem; }
.path-card--private .path-card__go { color: var(--azure-text); }
.path-card__go::after { content: "→"; transition: transform .18s ease; }
.path-card:hover .path-card__go::after { transform: translateX(4px); }

/* =====================================================================
   Sections
   ===================================================================== */
section { padding: clamp(2.4rem, 6vw, 4.5rem) 0; }
.section--panel { background: var(--panel); }
.section--petrol { background: var(--blue); color: #fff; }
.section--petrol h2, .section--petrol h3 { color: #fff; }
.section--petrol .eyebrow { color: var(--sky); }
.section--petrol .lead { color: #c4dded; }
.section__head { max-width: 60ch; margin-bottom: 2rem; }

/* Schwerpunkte (drei Highlights) */
.focus-grid { display: grid; gap: 1rem; grid-template-columns: repeat(3, 1fr); }
.focus-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.5rem; box-shadow: var(--shadow);
}
.focus-card__tag {
  display: inline-block; font-size: .68rem; font-weight: 800; letter-spacing: .14em;
  text-transform: uppercase; color: var(--signal-ink); background: #f6e7cb;
  padding: .28rem .55rem; border-radius: 999px; margin-bottom: .9rem;
}
.focus-card h3 { margin-bottom: .35rem; }
.focus-card p { color: var(--muted); margin: 0; font-size: .98rem; }

/* Leistungs-Liste (Unter-/Privatseiten) */
.service { border-top: 1px solid var(--line); padding: 1.6rem 0; display: grid; gap: .4rem 2rem; grid-template-columns: minmax(0, 15rem) 1fr; }
.service:first-of-type { border-top: 0; }
.service h3 { margin: 0; }
.service__body p { margin: 0 0 .6rem; color: var(--muted); }
.service__body ul { margin: .2rem 0 0; padding-left: 1.1rem; color: var(--muted); }
.service__body li { margin-bottom: .25rem; }

/* Leistungsblock mit Bild: Foto + Inhalt nebeneinander, abwechselnd */
.service--media {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1.4rem, 4vw, 3rem);
  align-items: center;
  border-top: 1px solid var(--line);
  padding: clamp(1.8rem, 4vw, 3rem) 0;
}
.service--media .service__img {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  aspect-ratio: 16 / 9;
}
.service--media .service__img img { width: 100%; height: 100%; object-fit: cover; }
.service--media .service__content h3 { margin: 0 0 .6rem; display: flex; align-items: center; }
.service--media .service__content p { color: var(--muted); margin: 0 0 .6rem; }
.service--media .service__content ul { color: var(--muted); margin: .3rem 0 .6rem; padding-left: 1.1rem; }
.service--media .service__content li { margin-bottom: .3rem; }
/* Jede zweite Zeile: Bild nach rechts */
.service--media:nth-of-type(even) .service__img { order: 2; }

/* Callout / Hinweis-Box */
.note {
  border: 1px solid var(--line); border-left: 4px solid var(--signal);
  background: #fff; border-radius: var(--radius-sm); padding: 1rem 1.2rem; margin: 1.4rem 0;
  font-size: .95rem; color: var(--muted);
}
.note strong { color: var(--ink); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  background: var(--blue); color: #fff; text-decoration: none; font-weight: 700;
  padding: .8rem 1.3rem; border-radius: 999px; border: 0; cursor: pointer;
  transition: background .18s ease, transform .18s ease;
}
.btn:hover { background: var(--blue-deep); color: #fff; transform: translateY(-1px); }
.btn--ghost { background: transparent; color: var(--blue); border: 1.5px solid var(--blue); }
.btn--ghost:hover { background: var(--blue); color: #fff; }
.btn--signal { background: var(--signal); color: #2a1c05; }
.btn--signal:hover { background: #c4841f; color: #2a1c05; }

/* Kontakt-Block */
.contact-grid { display: grid; gap: 1.4rem; grid-template-columns: 1.1fr .9fr; align-items: start; }
.contact-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.6rem; box-shadow: var(--shadow); }
.contact-list { list-style: none; margin: 0; padding: 0; }
.contact-list li { padding: .7rem 0; border-top: 1px solid var(--line); }
.contact-list li:first-child { border-top: 0; }
.contact-list .k { display: block; font-size: .72rem; text-transform: uppercase; letter-spacing: .14em; color: var(--muted); margin-bottom: .15rem; }
.contact-list .v { font-size: 1.1rem; font-weight: 600; }
.contact-list .v a { text-decoration: none; }

/* =====================================================================
   Inhalt-Seiten (Impressum / Datenschutz)
   ===================================================================== */
.prose { max-width: 70ch; }
.prose h2 { margin-top: 2.2rem; }
.prose h3 { margin-top: 1.6rem; }
.prose ul { padding-left: 1.2rem; }
.placeholder {
  background: #fff5e0; border: 1px dashed var(--signal); border-radius: 6px;
  padding: .1em .4em; font-weight: 600; color: var(--signal-ink);
}

/* =====================================================================
   Footer
   ===================================================================== */
.site-footer { background: var(--blue-deep); color: #c4dded; padding: 3rem 0 2rem; margin-top: 1rem; }
.site-footer a { color: #fff; text-decoration: none; }
.site-footer a:hover { text-decoration: underline; }
.footer-grid { display: grid; gap: 2rem; grid-template-columns: 1.4fr 1fr 1fr; }
.footer-grid h4 { color: #fff; font-size: .8rem; letter-spacing: .14em; text-transform: uppercase; margin: 0 0 .9rem; }
.footer-grid ul { list-style: none; margin: 0; padding: 0; }
.footer-grid li { margin-bottom: .5rem; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.14); margin-top: 2.4rem; padding-top: 1.4rem; font-size: .85rem; color: var(--sky); display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }

/* =====================================================================
   Responsive
   ===================================================================== */
@media (max-width: 820px) {
  .nav__toggle { display: inline-flex; }
  .nav__links {
    position: absolute; top: 76px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: .2rem;
    background: var(--paper); border-bottom: 1px solid var(--line);
    padding: .8rem clamp(1.1rem, 4vw, 2rem) 1.2rem;
    display: none;
  }
  .nav__links.is-open { display: flex; }
  .nav__links a { padding: .75rem .9rem; border-radius: 10px; }
  .fork { grid-template-columns: 1fr; }
  .focus-grid { grid-template-columns: 1fr; }
  .service { grid-template-columns: 1fr; gap: .3rem; }
  .service--media { grid-template-columns: 1fr; gap: 1rem; }
  .service--media:nth-of-type(even) .service__img { order: 0; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 520px) {
  .footer-grid { grid-template-columns: 1fr; }
}

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