/* ============================================
   Praxis Brück – Stylesheet
   Breakpoints (px, da Custom Properties in @media nicht nutzbar sind):
   600 / 768 / 1024 / 1200
   ============================================ */

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; }
img, svg { display: block; max-width: 100%; }
button { font: inherit; }
a { color: inherit; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, p, figure { margin: 0; }
table { border-collapse: collapse; width: 100%; }

/* ---------- Custom Properties ---------- */
:root {
  /* Sage-Palette */
  --color-sage-100: #EAF0E6;
  --color-sage-200: #D3E0CB;
  --color-sage-300: #A9C199;
  --color-sage-500: #6E8F63;
  --color-sage-600: #4F6F52;
  --color-sage-700: #3A5540;
  --color-sage-900: #24352A;

  /* Neutrals */
  --color-white: #FFFFFF;
  --color-bg-alt: #F7FAF5;
  --color-text: #24302A;
  --color-text-muted: #56635B;
  --color-border: #DCE5D7;
  --color-focus: #2A6E3F;

  /* Typografie */
  --font-base: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --fs-base: 1.125rem;
  --lh-base: 1.6;

  /* Abstände */
  --space-2: .5rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;

  --radius-md: 12px;
  --radius-lg: 20px;
  --tap-target-min: 44px;
  --max-width: 1120px;
  --header-height: 76px;
}

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

body {
  font-family: var(--font-base);
  font-size: var(--fs-base);
  line-height: var(--lh-base);
  color: var(--color-text);
  background: var(--color-white);
}

section[id] {
  scroll-margin-top: calc(var(--header-height) + var(--space-4));
}

/* ---------- Utilities ---------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

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

.skip-link {
  position: absolute;
  left: var(--space-4);
  top: -100px;
  background: var(--color-sage-900);
  color: var(--color-white);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  z-index: 100;
  text-decoration: none;
  transition: top .2s ease;
}
.skip-link:focus {
  top: var(--space-4);
}

:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
}

.section {
  padding-block: var(--space-16);
}
.section--alt {
  background: var(--color-bg-alt);
}
.section-heading {
  font-size: clamp(1.75rem, 3vw + 1rem, 2.5rem);
  color: var(--color-sage-900);
  margin-bottom: var(--space-4);
}
.section-intro {
  color: var(--color-text-muted);
  max-width: 65ch;
  margin-bottom: var(--space-12);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: var(--tap-target-min);
  padding: .75rem var(--space-6);
  border-radius: var(--radius-md);
  font-weight: 600;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background-color .15s ease, color .15s ease, border-color .15s ease;
}
.btn-primary {
  background: var(--color-sage-600);
  color: var(--color-white);
}
.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--color-sage-700);
}
.btn-secondary {
  background: transparent;
  border-color: var(--color-sage-600);
  color: var(--color-sage-700);
}
.btn-secondary:hover,
.btn-secondary:focus-visible {
  background: var(--color-sage-100);
}

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
}
.nav-bar {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-height);
  gap: var(--space-4);
}
.logo-link {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-sage-900);
  text-decoration: none;
}
.logo-link span {
  display: block;
  font-size: .8rem;
  font-weight: 400;
  color: var(--color-text-muted);
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--tap-target-min);
  height: var(--tap-target-min);
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  flex-shrink: 0;
}
.nav-toggle svg { pointer-events: none; }

.nav-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-4) var(--space-6);
  transform: translateY(-8px);
  opacity: 0;
  pointer-events: none;
  transition: opacity .15s ease, transform .15s ease;
}
.nav-list.is-open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}
.nav-list a:not(.nav-cta) {
  display: flex;
  align-items: center;
  min-height: var(--tap-target-min);
  padding-inline: var(--space-2);
  text-decoration: none;
  color: var(--color-text);
  border-radius: var(--radius-md);
}
.nav-list a.active:not(.nav-cta),
.nav-list a:hover:not(.nav-cta) {
  color: var(--color-sage-700);
  background: var(--color-sage-100);
}
@media (min-width: 768px) {
  .nav-toggle { display: none; }
  .nav-list {
    position: static;
    flex-direction: row;
    align-items: center;
    background: transparent;
    border: 0;
    padding: 0;
    transform: none;
    opacity: 1;
    pointer-events: auto;
    gap: var(--space-6);
  }
  .nav-list a.active:not(.nav-cta),
  .nav-list a:hover:not(.nav-cta) {
    background: transparent;
  }
}

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(160deg, var(--color-sage-100) 0%, var(--color-white) 65%);
  padding-block: var(--space-16);
}
.hero-inner {
  max-width: 720px;
}
.hero-eyebrow {
  display: inline-block;
  color: var(--color-sage-700);
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  font-size: .875rem;
  margin-bottom: var(--space-4);
}
.hero h1 {
  font-size: clamp(2.25rem, 5vw + 1rem, 3.5rem);
  color: var(--color-sage-900);
  margin-bottom: var(--space-4);
}
.hero-role {
  font-size: 1.25rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}
.hero-lead {
  margin-bottom: var(--space-8);
  max-width: 60ch;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

/* ---------- Leistungen ---------- */
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}
@media (min-width: 600px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .services-grid { grid-template-columns: repeat(3, 1fr); }
}
.service-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
@media (hover: hover) {
  .service-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-sage-300);
    box-shadow: 0 16px 32px -20px rgba(36, 53, 42, .35);
  }
}
.service-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-sage-100);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
  color: var(--color-sage-700);
}
.service-card h3 {
  font-size: 1.125rem;
  color: var(--color-sage-900);
  margin-bottom: var(--space-2);
}
.service-card p {
  color: var(--color-text-muted);
  font-size: 1rem;
}

/* ---------- Anfahrt ---------- */
.anfahrt-card {
  max-width: 640px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
}
.anfahrt-card address {
  font-style: normal;
  margin-bottom: var(--space-4);
}
.anfahrt-list {
  margin-bottom: var(--space-6);
}
.anfahrt-list li {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
  color: var(--color-text-muted);
}
.anfahrt-list li::before {
  content: "";
  width: 6px;
  height: 6px;
  margin-top: .6em;
  border-radius: 50%;
  background: var(--color-sage-500);
  flex-shrink: 0;
}

/* ---------- Kontakt ---------- */
.kontakt-grid {
  display: grid;
  gap: var(--space-8);
}
@media (min-width: 768px) {
  .kontakt-grid { grid-template-columns: 1fr 1fr; }
}
.kontakt-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
}
.kontakt-list {
  margin-bottom: var(--space-6);
}
.kontakt-list li {
  margin-bottom: var(--space-4);
}
.kontakt-list a {
  color: var(--color-sage-700);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.hours-table caption {
  text-align: left;
  font-weight: 700;
  color: var(--color-sage-900);
  margin-bottom: var(--space-4);
}
.hours-table th,
.hours-table td {
  text-align: left;
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--color-border);
}
.hours-table th {
  font-weight: 500;
  color: var(--color-text);
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-sage-900);
  color: var(--color-sage-100);
  padding-block: var(--space-12);
  margin-top: var(--space-16);
}
.footer-grid {
  display: grid;
  gap: var(--space-8);
}
@media (min-width: 768px) {
  .footer-grid { grid-template-columns: repeat(3, 1fr); }
}
.footer-grid h2 {
  font-size: 1rem;
  color: var(--color-white);
  margin-bottom: var(--space-4);
}
.footer-grid ul li {
  margin-bottom: var(--space-2);
}
.footer-grid a {
  color: var(--color-sage-200);
  text-decoration: none;
}
.footer-grid a:hover,
.footer-grid a:focus-visible {
  color: var(--color-white);
  text-decoration: underline;
}
.footer-bottom {
  margin-top: var(--space-12);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-sage-700);
  font-size: .875rem;
  color: var(--color-sage-200);
}

/* ---------- Scroll-Einblendung ---------- */
.reveal {
  transition: opacity .5s ease, transform .5s ease;
}
.reveal.reveal-init {
  opacity: 0;
  transform: translateY(16px);
}
.reveal.reveal-init.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.services-grid .service-card:nth-child(2) { transition-delay: .06s; }
.services-grid .service-card:nth-child(3) { transition-delay: .12s; }
.services-grid .service-card:nth-child(4) { transition-delay: .18s; }
.services-grid .service-card:nth-child(5) { transition-delay: .24s; }
.services-grid .service-card:nth-child(6) { transition-delay: .3s; }
.kontakt-grid .kontakt-card:nth-child(2) { transition-delay: .1s; }

/* ---------- Nach oben ---------- */
.back-to-top {
  position: fixed;
  right: var(--space-6);
  bottom: var(--space-6);
  width: var(--tap-target-min);
  height: var(--tap-target-min);
  border-radius: 50%;
  background: var(--color-sage-600);
  color: var(--color-white);
  border: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
  transition: opacity .2s ease, transform .2s ease, background-color .15s ease;
  z-index: 40;
}
.back-to-top.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.back-to-top:hover,
.back-to-top:focus-visible {
  background: var(--color-sage-700);
}

/* ---------- Rechtsseiten (Impressum/Datenschutz) ---------- */
.legal-main {
  padding-block: var(--space-16);
}
.legal-content {
  max-width: 75ch;
}
.legal-content h1 {
  font-size: clamp(1.75rem, 3vw + 1rem, 2.5rem);
  color: var(--color-sage-900);
  margin-bottom: var(--space-8);
}
.legal-content h2 {
  font-size: 1.25rem;
  color: var(--color-sage-900);
  margin-top: var(--space-12);
  margin-bottom: var(--space-2);
}
.legal-content h2:first-of-type {
  margin-top: 0;
}
.legal-content p,
.legal-content li {
  margin-bottom: var(--space-4);
  color: var(--color-text);
}
.legal-content ul {
  list-style: disc;
  padding-left: 1.25em;
}
.legal-content a {
  color: var(--color-sage-700);
}
.legal-note {
  background: var(--color-sage-100);
  border-left: 4px solid var(--color-sage-500);
  padding: var(--space-4) var(--space-6);
  border-radius: var(--radius-md);
  font-size: .95rem;
  color: var(--color-sage-900);
}
.back-link {
  display: inline-block;
  margin-bottom: var(--space-8);
  color: var(--color-sage-700);
  font-weight: 600;
  text-decoration: none;
}
.back-link:hover,
.back-link:focus-visible {
  text-decoration: underline;
}

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