/* ==========================================================================
   1. DESIGN-SYSTEM (Zentrale CSS-Variablen)
   ========================================================================== */
:root {
  --color-bg: #f8fafc;
  --color-surface: #ffffff;
  --color-text: #1e293b;
  --color-muted: #475569;
  --color-primary: #0f766e;
  --color-primary-hover: #115e59;
  --color-border: #dbe4ee;

  --radius: 14px;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;

  --container-wide: 1100px; /* Für Startseite (index.html) */
  --container-narrow: 800px; /* Für Lesbarkeits-Fokus (Leistungen, Impressum, DSGVO) */

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

/* ==========================================================================
   2. GLOBAL RESET & BASICS
   ========================================================================== */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  font-size: 1.05rem;
}

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

a {
  color: inherit;
}

/* ==========================================================================
   3. BARRIEREFREIHEIT & FOKUS (A11y)
   ========================================================================== */
.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  background: var(--color-primary);
  color: white;
  padding: 0.8rem 1.2rem;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  z-index: 100;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 1rem;
  outline: 3px solid black;
}

a:focus,
button:focus,
summary:focus {
  outline: none;
}

a:focus-visible,
button:focus-visible,
summary:focus-visible,
section:focus-visible,
.contact-box:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 4px;
  border-radius: 4px;
}

.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;
}

/* ==========================================================================
   4. LAYOUT-BEHÄLTER
   ========================================================================== */
/* Breiter Container (z. B. Startseite mit Raster) */
.container {
  width: min(100% - 2rem, var(--container-wide));
  margin-inline: auto;
}

/* Schmaler Container für optimale Text-Lesbarkeit */
.container-text {
  width: min(100% - 2rem, var(--container-narrow));
  margin-inline: auto;
}

section {
  padding-block: var(--space-xl);
}

section:focus {
  outline: none;
}

/* ==========================================================================
   5. HEADER & NAVIGATION
   ========================================================================== */
.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-inner {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding-block: 1rem;
}

.logo {
  font-size: 1.2rem;
  font-weight: 700;
  text-decoration: none;
}

.nav-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.nav-list a {
  text-decoration: none;
  font-weight: 500;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
}

.nav-list a:hover {
  color: var(--color-primary);
  background: #f1f5f9;
}

/* ==========================================================================
   6. HERO-SEKTION (STARTSEITE)
   ========================================================================== */
.hero {
  padding-top: var(--space-lg);
}

.hero-content {
  display: grid;
  gap: 2rem;
}

.hero-text h1 {
  font-size: 2.2rem;
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

.hero-image {
  width: 100%;
  height: auto;
  max-height: 380px;
  object-fit: cover;
  object-position: center 25%;
  border-radius: var(--radius);
  margin-bottom: 1.5rem;
  border: 1px solid var(--color-border);
}

.hero-text p {
  color: var(--color-muted);
  margin-bottom: 1.5rem;
}

.button {
  display: inline-block;
  background: var(--color-primary);
  color: white;
  padding: 0.9rem 1.3rem;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 600;
}

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

.hero-card {
  background: white;
  padding: 1.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
}

.hero-card h2 {
  margin-bottom: 1rem;
  font-size: 1.2rem;
}

.opening-hours {
  list-style: none;
}

.opening-hours li {
  display: flex;
  justify-content: space-between;
  padding-block: 0.5rem;
  border-bottom: 1px solid var(--color-border);
}

/* ==========================================================================
   7. INHALTE (LEISTUNGEN-RASTER & DETAIL-ARTIKEL)
   ========================================================================== */
.section-title {
  margin-bottom: 2rem;
}

.section-title h2 {
  font-size: 1.8rem;
  margin-bottom: 0.5rem;
}

.section-title p,
.lead {
  color: var(--color-muted);
}

.lead {
  font-size: 1.25rem;
  margin-bottom: 3rem;
}

/* Raster für die Startseite */
.services-grid {
  display: grid;
  gap: 1rem;
}

/* Einzelne Karte auf Startseite */
.service-card {
  background: white;
  border: 1px solid var(--color-border);
  padding: 1.5rem;
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.service-card h3 {
  margin-bottom: 0.8rem;
}

.service-link {
  display: inline-block;
  margin-top: auto;
  padding-top: 1rem;
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
}

.service-link:hover {
  text-decoration: underline;
}

/* Große Text-Karte auf der Detailseite */
main h1 {
  font-size: clamp(2rem, 4vw, 4rem); /* Schrift wächst mit dem Bildschirm */
  font-weight: light;
  line-height: 1.6;
  color: var(--color-primary);
  margin-bottom: 0.5rem;  
}

.detailed-service {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 2rem;
  border-radius: var(--radius);
  margin-bottom: 2rem;
}

.detailed-service h2 {
  font-size: 1.6rem;
  margin-bottom: 1rem;
  color: var(--color-text);
}

.detailed-service p {
  margin-bottom: 1rem;
}

/* ==========================================================================
   8. ACCORDION (Zusatz-Details via <details>)
   ========================================================================== */
details {
  background: #f1f5f9;
  border-radius: 8px;
  margin-top: 1.5rem;
  overflow: hidden;
}

summary {
  padding: 1rem;
  font-weight: 600;
  cursor: pointer;
  color: var(--color-primary);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

summary::-webkit-details-marker {
  display: none;
}

summary::after {
  content: "▼";
  font-size: 0.8rem;
  transition: transform 0.2s;
}

details[open] summary::after {
  transform: rotate(180deg);
}

.details-content {
  padding: 1rem;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
}

.details-content ul {
  margin-left: 1.25rem;
  margin-top: 0.5rem;
}

.details-content li {
  margin-bottom: 0.5rem;
}

/* ==========================================================================
   9. KONTAKT-BOX & TEXT-LINKS
   ========================================================================== */
.contact-box {
  background: white;
  border: 1px solid var(--color-border);
  padding: 1.5rem;
  border-radius: var(--radius);
}

.contact-box address {
  font-style: normal;
}

.contact-box p + p {
  margin-top: 0.8rem;
}

.contact-link,
.phone-link {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
}

.contact-link:hover,
.phone-link:hover {
  text-decoration: underline;
}

/* ==========================================================================
   10. FOOTER & RECHTLICHE SEITEN (Impressum / DSGVO)
   ========================================================================== */
footer {
  border-top: 1px solid var(--color-border);
  padding-block: 2rem;
  margin-top: 4rem;
  color: var(--color-muted);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-nav {
  list-style: none;
  display: flex;
  gap: 1rem;
}

.footer-nav a {
  text-decoration: none;
}

.footer-nav a:hover {
  color: var(--color-primary);
}

/* Spezifische Textlisten im Impressum/DSGVO */
main ul {
  margin-left: 1.5rem;
  margin-bottom: 1rem;
}

/* ==========================================================================
   11. DESKTOP MEDIA QUERIES (Ab 768px Bildbreite)
   ========================================================================== */
@media (min-width: 768px) {
  .header-inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }

  .hero-content {
    grid-template-columns: 1.2fr 0.8fr;
    align-items: start;
  }

  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .hero-text h1 {
    font-size: clamp(2rem, 4vw, 4rem); /* Schrift wächst mit dem Bildschirm */
    font-weight: light;
    line-height: 1.6;
  }

  .hero-image {
    max-height: 450px;
  }
}