/* =========================================================
   Brandschutz-Nachweis24 — Grundgerüst-Stylesheet
   Reines CSS, kein Build-Schritt, kein Framework.
   ========================================================= */

:root {
  --color-primary: #b3261e;
  --color-primary-dark: #8a1c16;
  --color-dark: #1c1f22;
  --color-text: #2b2b2b;
  --color-muted: #5b6067;
  --color-bg: #ffffff;
  --color-bg-alt: #f5f4f2;
  --color-border: #e3e1de;
  --radius: 6px;
  --container-width: 1120px;
  --font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

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

body {
  margin: 0;
  font-family: var(--font-base);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
}

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

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

a:hover,
a:focus {
  text-decoration: underline;
}

h1,
h2,
h3 {
  line-height: 1.25;
  color: var(--color-dark);
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Skip-Link */

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-primary);
  color: #fff;
  padding: 0.75rem 1.25rem;
  border-radius: 0 0 var(--radius) 0;
  z-index: 100;
  font-weight: 600;
}

.skip-link:focus {
  left: 0;
}

/* =========================================================
   Header / Navigation
   ========================================================= */

.site-header {
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.9rem;
  padding-bottom: 0.9rem;
}

.logo {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-dark);
  line-height: 1.2;
}

.logo:hover,
.logo:focus {
  text-decoration: none;
}

.logo-sub {
  display: block;
  font-weight: 400;
  font-size: 0.8rem;
  color: var(--color-muted);
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 0.5rem 0.6rem;
  cursor: pointer;
}

.nav-toggle-icon,
.nav-toggle-icon::before,
.nav-toggle-icon::after {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-dark);
  position: relative;
}

.nav-toggle-icon::before {
  content: "";
  top: -6px;
}

.nav-toggle-icon::after {
  content: "";
  top: 4px;
}

.primary-nav ul {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.primary-nav a {
  color: var(--color-dark);
  font-weight: 500;
}

.primary-nav a[aria-current="page"] {
  color: var(--color-primary);
}

.nav-cta {
  background: var(--color-primary);
  color: #fff !important;
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
}

.nav-cta:hover,
.nav-cta:focus {
  background: var(--color-primary-dark);
  text-decoration: none;
}

@media (max-width: 780px) {
  .nav-toggle {
    display: inline-flex;
  }

  .primary-nav {
    display: none;
    width: 100%;
  }

  .primary-nav.is-open {
    display: block;
  }

  .primary-nav ul {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
    padding: 1rem 0;
  }

  .primary-nav li {
    width: 100%;
  }

  .primary-nav a {
    display: block;
    padding: 0.6rem 0;
  }

  .header-inner {
    flex-wrap: wrap;
  }
}

/* =========================================================
   Sections / Layout
   ========================================================= */

.section {
  padding: 3.5rem 0;
}

.section-alt {
  background: var(--color-bg-alt);
}

.section-heading {
  margin-bottom: 2rem;
}

.section-heading p {
  color: var(--color-muted);
  max-width: 640px;
}

/* Hero */

.hero {
  padding: 4rem 0 3rem;
  background: var(--color-bg-alt);
}

.hero h1 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  max-width: 45rem;
}

.hero p {
  max-width: 42rem;
  color: var(--color-muted);
  font-size: 1.05rem;
}

.page-header {
  padding: 3rem 0 2.5rem;
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
}

.page-header h1 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
}

/* Profil-Bereich (Foto-Platzhalter + Intro) */

.profile-hero {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 2rem;
  align-items: start;
}

@media (max-width: 640px) {
  .profile-hero {
    grid-template-columns: 1fr;
  }
}

.profile-hero-text h1 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin-top: 0;
}

.profile-photo {
  margin: 0;
}

.profile-photo-placeholder {
  aspect-ratio: 3 / 4;
  background: var(--color-bg);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  color: var(--color-muted);
  font-size: 0.8rem;
  text-align: center;
  line-height: 1.4;
}

.profile-photo figcaption {
  margin-top: 0.6rem;
  font-size: 0.85rem;
  color: var(--color-muted);
  text-align: center;
}

/* Buttons */

.button {
  display: inline-block;
  padding: 0.7rem 1.4rem;
  border-radius: var(--radius);
  font-weight: 600;
  border: 1px solid transparent;
}

.button:hover,
.button:focus {
  text-decoration: none;
}

.button-primary {
  background: var(--color-primary);
  color: #fff;
}

.button-primary:hover,
.button-primary:focus {
  background: var(--color-primary-dark);
}

.button-secondary {
  background: transparent;
  color: var(--color-dark);
  border-color: var(--color-border);
}

.button-secondary:hover,
.button-secondary:focus {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* =========================================================
   Kacheln / Cards (Werte + Leistungen)
   ========================================================= */

.tile-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.25rem;
}

.tile {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.tile h4 {
  font-size: 1.05rem;
  margin: 0 0 0.5rem;
}

.tile p {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.95rem;
}

.tile-link {
  display: block;
  color: inherit;
}

.tile-link:hover,
.tile-link:focus {
  text-decoration: none;
}

.tile-link:hover h4,
.tile-link:focus h4 {
  color: var(--color-primary);
}

.tile-link:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.tile-more {
  display: inline-block;
  margin-top: 0.75rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary);
}

.tile-link:hover .tile-more,
.tile-link:focus .tile-more {
  text-decoration: underline;
}

/* Leistungs-Gruppen (Kategorien auf der Startseite) */

.tile-groups {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.tile-group-heading {
  margin: 0 0 1rem;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-muted);
}

/* Werte-Kacheln (Qualifikationen) — schlanker, ohne Rahmen */

.value-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.5rem;
}

.value-tile h3 {
  color: var(--color-primary);
  font-size: 1rem;
  margin: 0 0 0.35rem;
}

.value-tile p {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.9rem;
}

/* =========================================================
   Leistungen-Seite: einzelne Abschnitte
   ========================================================= */

.service-section {
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--color-border);
  scroll-margin-top: 90px;
}

.service-section:last-of-type {
  border-bottom: none;
}

.service-section h2 {
  font-size: 1.4rem;
}

.service-number {
  color: var(--color-primary);
  font-weight: 700;
  margin-right: 0.5rem;
}

/* =========================================================
   Kontakt / Formular
   ========================================================= */

.contact-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}

@media (min-width: 860px) {
  .contact-layout {
    grid-template-columns: 1fr 1fr;
  }
}

.contact-details address {
  font-style: normal;
  margin: 0 0 1rem;
}

.form-field {
  margin-bottom: 1.1rem;
}

.form-field label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.35rem;
  font-size: 0.95rem;
}

.form-field input,
.form-field textarea {
  width: 100%;
  padding: 0.6rem 0.7rem;
  border: 1px solid #9a968f;
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 1rem;
}

.form-field input:focus,
.form-field textarea:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 1px;
}

.form-field-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}

.form-field-checkbox input {
  width: auto;
  margin-top: 0.25rem;
}

.form-field-checkbox label {
  font-weight: 400;
  font-size: 0.9rem;
}

.form-note {
  font-size: 0.85rem;
  color: var(--color-muted);
}

/* =========================================================
   Rechtstexte (Impressum / Datenschutz)
   ========================================================= */

.legal-content h2 {
  font-size: 1.15rem;
  margin-top: 2rem;
}

.legal-content p {
  color: var(--color-text);
}

.placeholder-note {
  background: #fdf3e7;
  border: 1px dashed #d8a54a;
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  font-size: 0.9rem;
  color: #6b4a12;
  margin-bottom: 2rem;
}

/* =========================================================
   Footer
   ========================================================= */

.site-footer {
  background: var(--color-dark);
  color: #d7d9db;
  margin-top: 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  padding: 3rem 0 2rem;
}

.footer-heading {
  color: #fff;
  font-weight: 700;
  margin: 0 0 0.75rem;
}

.footer-col p {
  margin: 0 0 0.4rem;
}

.footer-col ul li {
  margin-bottom: 0.4rem;
}

.footer-col a {
  color: #d7d9db;
}

.footer-col a:hover,
.footer-col a:focus {
  color: #fff;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 1rem 0 1.5rem;
  font-size: 0.85rem;
  color: #a4a7ab;
}