/* ==========================================================================
   Schreinerei Heinlein – zentrales Stylesheet
   Palette aus der Logo-Bildmarke: Schwarz, Grau #909090, Gold #f8b400,
   dazu warme, helle Holz-/Papiertoene. Nur System-Fonts, keine externen
   Ressourcen.
   ========================================================================== */

:root {
  --farbe-text:        #2b2620;
  --farbe-text-leise:  #6d6459;
  --farbe-gold:        #f8b400;
  --farbe-gold-dunkel: #866000;  /* dunkel genug fuer Text/Buttons: >=4.9:1 auch auf Creme (WCAG AA) */
  --farbe-holz:        #7f5f3e;  /* >=5:1 auch auf Creme #f3eee5 (WCAG AA) */
  --farbe-papier:      #faf8f4;   /* Seitenhintergrund */
  --farbe-creme:       #f3eee5;   /* getoente Sektionen */
  --farbe-linie:       #e6dfd2;
  --farbe-weiss:       #ffffff;
  --farbe-anthrazit:   #26221d;   /* Footer */
  --schrift: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue",
             Arial, "Noto Sans", sans-serif;
  --radius: 10px;
  --schatten: 0 2px 6px rgba(43, 38, 32, .06), 0 12px 32px rgba(43, 38, 32, .08);
  --wrap-breite: 72rem;
}

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

html {
  scroll-behavior: smooth;
  /* Anker landen nicht unter dem Sticky-Header */
  scroll-padding-top: 5.5rem;
}

body {
  margin: 0;
  font-family: var(--schrift);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--farbe-text);
  background: var(--farbe-papier);
  -webkit-text-size-adjust: 100%;
}

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

a { color: var(--farbe-holz); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { color: var(--farbe-gold-dunkel); }

:focus-visible {
  outline: 3px solid var(--farbe-gold);
  outline-offset: 2px;
  border-radius: 2px;
}

h1, h2, h3 {
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--farbe-text);
  text-wrap: balance;
}

h1 { font-size: clamp(2rem, 4.5vw, 3.25rem); margin: 0 0 1rem; }
h2 { font-size: clamp(1.6rem, 3vw, 2.25rem); margin: 0 0 1rem; }
h3 { font-size: 1.25rem; margin: 0 0 .5rem; }

p { margin: 0 0 1em; }

.wrap {
  max-width: var(--wrap-breite);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--farbe-anthrazit);
  color: #fff;
  padding: .6rem 1rem;
  z-index: 100;
}
.skip-link:focus { left: 0; }

/* --------------------------------------------------------------------------
   Header und Navigation
   -------------------------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, .94);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--farbe-linie);
}

.site-header-inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  min-height: 4.25rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: .7rem;
  text-decoration: none;
  color: var(--farbe-text);
  margin-right: auto;
}

.brand-logo { width: 38px; height: 40px; }

.brand-name {
  font-size: 1.2rem;
  letter-spacing: .01em;
  white-space: nowrap;
}
.brand-name strong { font-weight: 800; }

.site-nav ul {
  list-style: none;
  display: flex;
  align-items: center;
  gap: .25rem;
  margin: 0;
  padding: 0;
}

.site-nav a {
  display: block;
  padding: .55rem .8rem;
  text-decoration: none;
  color: var(--farbe-text);
  font-weight: 500;
  border-radius: 6px;
}

.site-nav a:hover { background: var(--farbe-creme); color: var(--farbe-text); }

.site-nav a[aria-current="page"] {
  box-shadow: inset 0 -3px 0 var(--farbe-gold);
  border-radius: 6px 6px 0 0;
}

.site-nav .nav-cta {
  background: var(--farbe-gold);
  color: var(--farbe-text);
  font-weight: 700;
}
.site-nav .nav-cta:hover { background: var(--farbe-gold-dunkel); color: #fff; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: none;
  border: 1px solid var(--farbe-linie);
  border-radius: 8px;
  cursor: pointer;
}

.nav-toggle-bar {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--farbe-text);
  border-radius: 1px;
  transition: transform .2s ease, opacity .2s ease;
}

@media (max-width: 62rem) {
  .nav-toggle { display: flex; }

  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--farbe-weiss);
    border-bottom: 1px solid var(--farbe-linie);
    box-shadow: var(--schatten);
  }

  .nav-open .site-nav { display: block; }

  .site-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: .5rem clamp(1rem, 4vw, 2rem) 1rem;
  }

  .site-nav a { padding: .8rem .6rem; border-radius: 8px; }

  .nav-open .nav-toggle-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-open .nav-toggle-bar:nth-child(2) { opacity: 0; }
  .nav-open .nav-toggle-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */

.hero {
  background:
    radial-gradient(60rem 30rem at 85% -20%, rgba(248, 180, 0, .16), transparent 60%),
    linear-gradient(180deg, #fdfcf9 0%, var(--farbe-papier) 100%);
  border-bottom: 1px solid var(--farbe-linie);
  padding: clamp(3.5rem, 9vw, 7rem) 0;
}

.hero-kicker {
  display: inline-block;
  font-weight: 700;
  font-size: .95rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--farbe-holz);
  margin-bottom: 1rem;
}

.hero h1 { max-width: 22ch; }

.hero h1 em {
  font-style: normal;
  box-shadow: inset 0 -0.35em 0 rgba(248, 180, 0, .45);
}

.hero-zitat {
  max-width: 46ch;
  font-size: 1.15rem;
  color: var(--farbe-text-leise);
  margin: 1.25rem 0 2rem;
}

.hero-zitat cite { font-style: normal; white-space: nowrap; }

/* Hero mit Bildwechsel im Hintergrund (reines CSS, kein JS).
   Vier Ebenen blenden nacheinander weich ueber (28s Gesamtzyklus). */
.hero-slider {
  position: relative;
  overflow: hidden;
}

.hero-bilder,
.hero-bilder > div {
  position: absolute;
  inset: 0;
}

.hero-bilder > div {
  background-size: cover;
  background-position: center;
  opacity: 0;
}

.hero-bilder::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg,
    rgba(24, 19, 14, .82) 0%,
    rgba(24, 19, 14, .62) 55%,
    rgba(24, 19, 14, .38) 100%);
}

.hero-slider .hero-inhalt { position: relative; z-index: 1; }

.hero-slider h1 { color: #fff; }
.hero-slider .hero-kicker { color: var(--farbe-gold); }
.hero-slider .hero-zitat { color: #e6dfd2; }
.hero-slider .button-kontur { border-color: #fff; color: #fff; }
.hero-slider .button-kontur:hover { background: #fff; color: var(--farbe-text); }

/* Ohne JS: erstes Bild statisch. Mit JS (.js) steuert die Klasse .aktiv. */
.hero-bilder > div:first-child { opacity: 1; }
.hero-bilder.js > div { opacity: 0; }
.hero-bilder.js > div.aktiv { opacity: 1; }

@media (prefers-reduced-motion: no-preference) {
  .hero-bilder.js > div { transition: opacity 1.2s ease; }
}

/* Dezenter Weiter-Pfeil am rechten Rand */
.hero-pfeil {
  position: absolute;
  right: 1.25rem;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 999px;
  background: rgba(0, 0, 0, .55);  /* >=3:1 fuer den Pfeil auch ohne Overlay, selbst auf weissem Motiv */
  color: #fff;
  font-size: 1.7rem;
  line-height: 1;
  padding-bottom: 4px;
  cursor: pointer;
  transition: background .15s ease, color .15s ease;
}

.hero-pfeil:hover {
  background: rgba(0, 0, 0, .70);
  color: #fff;
}

.hero-buttons { display: flex; flex-wrap: wrap; gap: .8rem; }

.button {
  display: inline-block;
  padding: .8rem 1.5rem;
  border-radius: 999px;
  font-weight: 700;
  text-decoration: none;
  border: 2px solid transparent;
}

.button-gold {
  background: var(--farbe-gold);
  color: var(--farbe-text);
}
.button-gold:hover { background: var(--farbe-gold-dunkel); color: #fff; }

.button-kontur {
  border-color: var(--farbe-text);
  color: var(--farbe-text);
}
.button-kontur:hover { background: var(--farbe-text); color: #fff; }

/* --------------------------------------------------------------------------
   Sektionen, Karten, Raster
   -------------------------------------------------------------------------- */

.sektion { padding: clamp(3rem, 7vw, 5.5rem) 0; }
.sektion-creme { background: var(--farbe-creme); border-block: 1px solid var(--farbe-linie); }

.sektion-kopf { max-width: 62ch; margin-bottom: 2.5rem; }

.sektion-kicker {
  display: inline-block;
  font-weight: 700;
  font-size: .85rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--farbe-holz);
  margin-bottom: .5rem;
}

.karten-raster {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(3, 1fr);
}

.karte {
  background: var(--farbe-weiss);
  border: 1px solid var(--farbe-linie);
  border-radius: var(--radius);
  padding: 1.6rem;
  box-shadow: 0 1px 3px rgba(43, 38, 32, .04);
}

/* Karten-Ueberschriften: h2 (Philosophie-Karten, wegen Ueberschriften-
   Hierarchie nach dem Hero-h1) sieht aus wie h3 (uebrige Karten) */
.karte h2,
.karte h3 {
  color: var(--farbe-text);
  font-size: 1.25rem;
  margin: 0 0 .5rem;
}

.karte .karte-kicker {
  display: block;
  font-size: .85rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--farbe-gold-dunkel);
  margin-bottom: .6rem;
}

.karte p:last-child { margin-bottom: 0; }

/* Bild am Kartenkopf, laeuft bis an die Kartenraender */
.karte-bild {
  width: calc(100% + 3.2rem);
  margin: -1.6rem -1.6rem 1.2rem;
  max-width: none;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: var(--radius) var(--radius) 0 0;
}

.team-foto {
  margin-top: 1.5rem;
  border-radius: var(--radius);
  box-shadow: var(--schatten);
}

.karten-link {
  font-weight: 700;
  text-decoration: none;
}
.karten-link::after { content: " ►"; font-size: .8em; }

/* Zweispalter (Ueber uns) */
.zweispalter {
  display: grid;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  grid-template-columns: 1.2fr .8fr;
  align-items: start;
}

.bio-karte {
  background: var(--farbe-weiss);
  border: 1px solid var(--farbe-linie);
  border-left: 5px solid var(--farbe-gold);
  border-radius: var(--radius);
  padding: 1.8rem;
  box-shadow: var(--schatten);
}

.bio-foto {
  width: calc(100% + 3.6rem);
  margin: -1.8rem -1.8rem 1.4rem calc(-1.8rem - 0px);
  max-width: none;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: 0 var(--radius) 0 0;
}

.bio-karte .bio-name { font-size: 1.2rem; font-weight: 800; margin-bottom: .1rem; }
.bio-karte .bio-rolle { color: var(--farbe-text-leise); margin-bottom: 1rem; }
.bio-karte .bio-tagline {
  font-weight: 700;
  color: var(--farbe-holz);
  margin-bottom: 0;
}

/* Leistungen */
.leistungen-raster {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, 1fr);
}

.leistung {
  display: flex;
  align-items: center;
  gap: .9rem;
  background: var(--farbe-weiss);
  border: 1px solid var(--farbe-linie);
  border-radius: var(--radius);
  padding: 1.1rem 1.3rem;
  font-weight: 600;
  color: var(--farbe-text);
  text-decoration: none;
  transition: border-color .15s ease, transform .15s ease, box-shadow .15s ease;
}

.leistung::before {
  content: "";
  flex: 0 0 auto;
  width: 10px;
  height: 10px;
  border-radius: 2px;
  background: var(--farbe-gold);
  transform: rotate(45deg);
}

.leistung:hover {
  border-color: var(--farbe-gold);
  box-shadow: var(--schatten);
  transform: translateY(-2px);
  color: var(--farbe-text);
}

/* Grosses Zwischenzitat: "Holz ist Baustein/Grundstoff unseres Lebens." */
.holzband {
  background: var(--farbe-anthrazit);
  color: #f5efe3;
  text-align: center;
  padding: clamp(2.5rem, 6vw, 4rem) 0;
}

.holzband p {
  margin: 0;
  font-size: clamp(1.4rem, 3.4vw, 2.2rem);
  font-weight: 700;
  line-height: 1.35;
}

.holzband .wechselwort {
  display: inline-grid;
  text-align: center;
  color: var(--farbe-gold);
}

.holzband .wechselwort span { grid-area: 1 / 1; }

@media (prefers-reduced-motion: no-preference) {
  .holzband .wechselwort span { animation: wortwechsel 6s linear infinite; }
  .holzband .wechselwort span:nth-child(2) { animation-delay: -3s; }
  @keyframes wortwechsel {
    0%, 42%  { opacity: 1; }
    50%, 92% { opacity: 0; }
    100%     { opacity: 1; }
  }
}
@media (prefers-reduced-motion: reduce) {
  .holzband .wechselwort span:nth-child(2) { display: none; }
  .holzband .wechselwort::after { content: " und Grundstoff"; color: var(--farbe-gold); }
}

/* CTA-Band */
.cta-band {
  background: var(--farbe-weiss);
  border: 1px solid var(--farbe-linie);
  border-radius: var(--radius);
  box-shadow: var(--schatten);
  padding: clamp(1.5rem, 4vw, 2.5rem);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  margin-top: 2.5rem;
}

.cta-band p {
  margin: 0;
  font-size: 1.2rem;
  font-weight: 700;
  max-width: 34ch;
}

/* Kontakt */
.kontakt-raster {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: 1fr 1fr;
  align-items: start;
}

.kontakt-liste { list-style: none; margin: 0; padding: 0; }
.kontakt-liste li { padding: .35rem 0; }
.kontakt-liste .kontakt-label {
  display: inline-block;
  min-width: 4.5rem;
  font-weight: 700;
  color: var(--farbe-text-leise);
}

address { font-style: normal; }

/* --------------------------------------------------------------------------
   Galerie (arbeiten.php)
   -------------------------------------------------------------------------- */

.galerie {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, 1fr);
}

.galerie a {
  display: block;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--farbe-linie);
  background: var(--farbe-creme);
}

.galerie img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform .25s ease;
}

.galerie a:hover img { transform: scale(1.04); }

/* Modell-Beispiele auf der Startseite: Kompositionen nicht beschneiden */
.modelle-strip { margin-bottom: 1.2rem; }

.modelle-strip a { background: var(--farbe-weiss); }

.modelle-strip img {
  aspect-ratio: 4 / 3;
  object-fit: contain;
}

.galerie-leer {
  background: var(--farbe-creme);
  border: 1px dashed var(--farbe-linie);
  border-radius: var(--radius);
  padding: 3rem 2rem;
  text-align: center;
  color: var(--farbe-text-leise);
}

/* Rubriken-Sprungnavigation und -Abschnitte */
.rubriken-nav {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-bottom: 2.5rem;
}

.rubriken-nav a {
  display: inline-block;
  padding: .4rem .9rem;
  border: 1px solid var(--farbe-linie);
  border-radius: 999px;
  background: var(--farbe-weiss);
  color: var(--farbe-text);
  font-weight: 600;
  font-size: .95rem;
  text-decoration: none;
}

.rubriken-nav a:hover {
  border-color: var(--farbe-gold);
  background: var(--farbe-gold);
  color: var(--farbe-text);
}

.galerie-rubrik { margin-bottom: 3rem; }

.galerie-rubrik h2 {
  display: flex;
  align-items: baseline;
  gap: .8rem;
  padding-bottom: .5rem;
  border-bottom: 2px solid var(--farbe-gold);
  margin-bottom: 1.25rem;
}

.rubrik-anzahl {
  font-size: .9rem;
  font-weight: 500;
  color: var(--farbe-text-leise);
  white-space: nowrap;
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(20, 17, 14, .92);
  padding: 2rem;
}

.lightbox.offen { display: flex; }

.lightbox img {
  max-width: min(92vw, 100rem);
  max-height: 86vh;
  width: auto;
  height: auto;
  border-radius: 6px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, .5);
}

.lightbox button {
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border: 0;
  border-radius: 999px;
  background: rgba(255, 255, 255, .12);
  color: #fff;
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
}

.lightbox button:hover { background: var(--farbe-gold); color: var(--farbe-text); }

.lightbox .lb-schliessen { top: 1rem; right: 1rem; }
.lightbox .lb-zurueck    { left: 1rem; top: 50%; transform: translateY(-50%); }
.lightbox .lb-weiter     { right: 1rem; top: 50%; transform: translateY(-50%); }

/* --------------------------------------------------------------------------
   Rechtstexte (Impressum, Datenschutz)
   -------------------------------------------------------------------------- */

.rechtstext { max-width: 46rem; }
.rechtstext h1 { margin-top: 0; }
.rechtstext h2 { font-size: 1.45rem; margin-top: 2.2rem; }
.rechtstext h3 { font-size: 1.1rem; margin-top: 1.6rem; }

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */

.site-footer {
  background: var(--farbe-anthrazit);
  color: #d9d2c5;
  margin-top: clamp(3rem, 7vw, 5rem);
  padding-top: clamp(2.5rem, 5vw, 3.5rem);
}

.site-footer a { color: #fff; }
.site-footer a:hover { color: var(--farbe-gold); }

.footer-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(3, 1fr);
  padding-bottom: 2rem;
}

.footer-brand { font-size: 1.15rem; font-weight: 800; color: #fff; margin-bottom: .6rem; }
.footer-heading { font-weight: 700; color: #fff; margin-bottom: .6rem; }

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .12);
  padding-block: 1.1rem;
  font-size: .9rem;
  color: #a89f90;
}
.footer-bottom p { margin: 0; }

/* --------------------------------------------------------------------------
   Responsive Raster
   -------------------------------------------------------------------------- */

@media (max-width: 62rem) {
  .karten-raster { grid-template-columns: 1fr 1fr; }
  .leistungen-raster { grid-template-columns: 1fr 1fr; }
  .galerie { grid-template-columns: 1fr 1fr; }
  .zweispalter { grid-template-columns: 1fr; }
  .kontakt-raster { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 40rem) {
  .karten-raster { grid-template-columns: 1fr; }
  .leistungen-raster { grid-template-columns: 1fr; }
  .galerie { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}