/* =========================================================
   AGRAR BIERBAUM – Design-System & Layout
   Ton: bodenständig, editorial, ruhig. Keine Effekthascherei.
   ========================================================= */

:root {
  /* Farben – abgeleitet aus den echten Hoffotos (Fell, Heu, Himmel, Weide) */
  --color-bg: #f6f3ec;
  --color-bg-alt: #ede6d4;
  --color-text: #241f1a;
  --color-text-muted: #5b5647;
  --color-primary: #2f3b28;
  --color-primary-dark: #1b241a;
  --color-secondary: #6b4a30;
  --color-accent: #a8622e;
  --color-border: #ddd4bf;
  --color-on-primary: #f6f3ec;

  --font-base: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --nav-h: 72px;
  --radius: 3px;

  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.25rem;
  --space-5: 3.5rem;
  --space-6: 5rem;
  --space-7: 7rem;

  --max-w: 1240px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

@media (max-width: 640px) {
  :root {
    --nav-h: 60px;
    --space-6: 3.5rem;
    --space-7: 4.5rem;
  }
}

*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 12px);
}

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-base);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a { color: inherit; }

ul { list-style: none; }

h1, h2, h3 {
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.15;
  color: var(--color-primary);
}

h1 { font-size: clamp(2.1rem, 1.55rem + 2.2vw, 3.4rem); }
h2 { font-size: clamp(1.55rem, 1.35rem + 0.9vw, 2.1rem); }
h3 { font-size: 1.1rem; }

p { max-width: 62ch; }
p + p { margin-top: 1em; }

.container {
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--space-3);
}

@media (min-width: 768px) {
  .container { padding-inline: var(--space-4); }
}

.section {
  padding-block: var(--space-6);
}

.section-head {
  max-width: 46ch;
  margin-bottom: var(--space-4);
}

.kicker {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-1);
}

.lede {
  font-size: 1.1rem;
  color: var(--color-text-muted);
}

/* Skip link */
.skip-link {
  position: absolute;
  left: var(--space-2);
  top: -60px;
  background: var(--color-primary);
  color: var(--color-on-primary);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius);
  z-index: 200;
  transition: top 0.2s var(--ease);
}
.skip-link:focus {
  top: var(--space-2);
}

/* Focus visibility */
a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 2px;
}

/* =========================================================
   BUTTONS
   ========================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 0.98rem;
  padding: 0.85rem 1.6rem;
  border-radius: var(--radius);
  text-decoration: none;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform 0.18s var(--ease), background-color 0.18s var(--ease), border-color 0.18s var(--ease), color 0.18s var(--ease);
  white-space: nowrap;
}
.btn:active { transform: translateY(1px) scale(0.98); }

.btn-primary {
  background: var(--color-primary);
  color: var(--color-on-primary);
  border-color: var(--color-primary);
}
.btn-primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-on-primary);
  transform: translateY(-1px);
}

.btn-outline.on-dark {
  color: var(--color-on-primary);
  border-color: rgba(246, 243, 236, 0.55);
}
.btn-outline.on-dark:hover {
  background: rgba(246, 243, 236, 0.12);
  border-color: var(--color-on-primary);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

/* =========================================================
   HEADER / NAVIGATION
   ========================================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  background: var(--color-bg);
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.site-header.is-scrolled {
  border-bottom-color: var(--color-border);
  box-shadow: 0 8px 24px -18px rgba(36, 31, 26, 0.35);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  text-decoration: none;
  color: var(--color-primary);
}
.brand-mark {
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
}
.brand-tag {
  font-size: 0.72rem;
  color: var(--color-text-muted);
  font-weight: 500;
}
@media (max-width: 480px) {
  .brand-tag { display: none; }
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.nav-list a:not(.btn) {
  position: relative;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.94rem;
  color: var(--color-text);
  padding-block: 0.35rem;
}

.nav-list a:not(.btn)::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -2px;
  height: 2px;
  background: var(--color-accent);
  transition: right 0.25s var(--ease);
}

.nav-list a:not(.btn):hover::after,
.nav-list a:not(.btn)[aria-current="true"]::after {
  right: 0;
}

.nav-list a:not(.btn)[aria-current="true"] {
  color: var(--color-accent);
}

.nav-cta {
  margin-left: var(--space-2);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  background: transparent;
  border: none;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--color-primary);
  transition: transform 0.28s var(--ease), opacity 0.2s var(--ease);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 860px) {
  .nav-toggle { display: flex; }

  .nav-list {
    position: fixed;
    inset: var(--nav-h) 0 0 0;
    background: var(--color-bg);
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 0;
    padding: var(--space-3);
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.22s var(--ease), transform 0.22s var(--ease), visibility 0.22s;
  }

  .nav-list.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .nav-list a:not(.btn) {
    display: block;
    padding: 1rem 0.25rem;
    font-size: 1.1rem;
    border-bottom: 1px solid var(--color-border);
  }

  .nav-list a:not(.btn)::after { display: none; }

  .nav-cta {
    margin: var(--space-3) 0 0 0;
  }
  .nav-cta .btn { width: 100%; justify-content: center; }
}

/* =========================================================
   HERO – asymmetrischer Split, echtes Foto
   ========================================================= */
.hero {
  display: grid;
  grid-template-columns: 1fr;
  align-items: stretch;
}

@media (min-width: 900px) {
  .hero {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    min-height: calc(100dvh - var(--nav-h));
  }
}

.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--space-5) var(--space-3) var(--space-4);
}

@media (min-width: 768px) {
  .hero-copy { padding: var(--space-6) var(--space-4); }
}
@media (min-width: 900px) {
  .hero-copy { padding: var(--space-6) var(--space-5); max-width: 620px; margin-left: auto; }
}

.hero-eyebrow {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-secondary);
  margin-bottom: var(--space-2);
}

.hero-copy h1 {
  margin-bottom: 0.4rem;
}

.hero-sub {
  font-weight: 500;
  font-size: clamp(1.05rem, 0.95rem + 0.4vw, 1.3rem);
  color: var(--color-secondary);
  margin-bottom: var(--space-2);
}

.hero-desc {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  max-width: 46ch;
}

.hero-media {
  position: relative;
  min-height: 320px;
  overflow: hidden;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
}

.hero-media figcaption {
  position: absolute;
  left: var(--space-2);
  bottom: var(--space-2);
  font-size: 0.78rem;
  color: #fff;
  background: rgba(27, 36, 26, 0.55);
  padding: 0.35rem 0.7rem;
  border-radius: var(--radius);
}

/* =========================================================
   ÜBER UNS – editorial Textspalte
   ========================================================= */
.about-grid {
  display: grid;
  gap: var(--space-4);
}

@media (min-width: 860px) {
  .about-grid {
    grid-template-columns: 0.85fr 1.15fr;
    gap: var(--space-5);
    align-items: start;
  }
}

.about-body p {
  max-width: 60ch;
}

.about-highlight {
  border-left: 3px solid var(--color-accent);
  padding-left: var(--space-2);
  margin-top: var(--space-3);
  color: var(--color-primary);
  font-weight: 600;
  font-size: 1.05rem;
}

/* =========================================================
   LEISTUNGEN – asymmetrischer Block statt 3 gleicher Karten
   ========================================================= */
.services {
  display: grid;
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
}

@media (min-width: 760px) {
  .services {
    grid-template-columns: 1.3fr 1fr;
    grid-template-rows: auto auto;
  }
  .service:first-child {
    grid-row: 1 / 3;
  }
}

.service {
  background: var(--color-bg);
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.service-index {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 0.06em;
}

.service h3 { color: var(--color-primary); }
.service p { color: var(--color-text-muted); font-size: 0.98rem; }

/* =========================================================
   NACHHALTIGKEIT – großes Bild + Text, full-width Band
   ========================================================= */
.split-feature {
  display: grid;
  grid-template-columns: 1fr;
  background: var(--color-primary);
  color: var(--color-on-primary);
}

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

.split-feature-media {
  min-height: 280px;
  overflow: hidden;
}
.split-feature-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.split-feature-copy {
  padding: var(--space-5) var(--space-3);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
@media (min-width: 768px) {
  .split-feature-copy { padding: var(--space-6) var(--space-5); }
}

.split-feature-copy h2 { color: var(--color-on-primary); }
.split-feature-copy p { color: rgba(246, 243, 236, 0.82); }

.split-feature-copy .about-highlight {
  border-left-color: var(--color-accent);
  color: var(--color-on-primary);
}

/* =========================================================
   GALLOWAY – Statband statt dritter Kartenreihe
   ========================================================= */
.stat-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-3);
  margin-top: var(--space-4);
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-3);
}

.stat-row dt {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.3rem;
}
.stat-row dd {
  color: var(--color-text);
  font-size: 1rem;
  max-width: 30ch;
}

/* =========================================================
   GALERIE – Mosaik + Lightbox
   ========================================================= */
.gallery {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 130px;
  gap: var(--space-1);
}

@media (min-width: 640px) {
  .gallery { grid-auto-rows: 160px; gap: var(--space-2); }
}
@media (min-width: 1024px) {
  .gallery { grid-template-columns: repeat(6, 1fr); grid-auto-rows: 170px; }
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border: 0;
  padding: 0;
  background: var(--color-bg-alt);
  cursor: zoom-in;
  grid-column: span 2;
  grid-row: span 1;
}

.gallery-item.tall { grid-row: span 2; }
.gallery-item:nth-child(1) { grid-column: span 2; grid-row: span 2; }

@media (min-width: 1024px) {
  .gallery-item:nth-child(1) { grid-column: span 2; grid-row: span 2; }
  .gallery-item:nth-child(4) { grid-column: span 2; grid-row: span 2; }
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s var(--ease);
}

.gallery-item:hover img,
.gallery-item:focus-visible img {
  transform: scale(1.05);
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 300;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(27, 22, 18, 0.92);
  padding: var(--space-3);
}
.lightbox.is-open { display: flex; }

.lightbox img {
  max-width: min(90vw, 1100px);
  max-height: 84vh;
  width: auto;
  object-fit: contain;
  border-radius: var(--radius);
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
  position: absolute;
  background: rgba(246, 243, 236, 0.14);
  color: #fff;
  border: 1px solid rgba(246, 243, 236, 0.4);
  border-radius: 50%;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  cursor: pointer;
  transition: background-color 0.2s var(--ease);
}
.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover { background: rgba(246, 243, 236, 0.3); }

.lightbox-close { top: var(--space-2); right: var(--space-2); }
.lightbox-prev { left: var(--space-2); top: 50%; transform: translateY(-50%); }
.lightbox-next { right: var(--space-2); top: 50%; transform: translateY(-50%); }

@media (max-width: 640px) {
  .lightbox-prev, .lightbox-next { width: 38px; height: 38px; }
}

/* =========================================================
   KONTAKT – Split mit Karte
   ========================================================= */
.contact-grid {
  display: grid;
  gap: var(--space-4);
}
@media (min-width: 900px) {
  .contact-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-5);
    align-items: stretch;
  }
}

.contact-info h3 { margin-top: var(--space-3); margin-bottom: 0.35rem; }
.contact-info h3:first-child { margin-top: 0; }
.contact-info a.contact-link {
  color: var(--color-primary);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid var(--color-border);
}
.contact-info a.contact-link:hover { border-color: var(--color-accent); color: var(--color-accent); }

.contact-note {
  margin-top: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: 0.98rem;
}

.map-frame {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 320px;
}
.map-frame iframe {
  width: 100%;
  height: 100%;
  min-height: 320px;
  border: 0;
  display: block;
}

/* =========================================================
   DATENSCHUTZ – ruhige Textliste statt Kartenraster
   ========================================================= */
.legal-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-top: var(--space-3);
}
.legal-list > div {
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-border);
}
.legal-list > div:first-child { border-top: 0; padding-top: 0; }
.legal-list h3 { margin-bottom: 0.35rem; }
.legal-list p { color: var(--color-text-muted); max-width: 68ch; }

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer {
  background: var(--color-primary-dark);
  color: rgba(246, 243, 236, 0.85);
  padding-block: var(--space-5);
}
.site-footer h2 {
  color: var(--color-on-primary);
  font-size: 1.2rem;
  margin-bottom: var(--space-2);
}
.footer-grid {
  display: grid;
  gap: var(--space-3);
}
@media (min-width: 700px) {
  .footer-grid { grid-template-columns: 1.2fr 1fr; gap: var(--space-4); }
}
.footer-grid a { color: var(--color-on-primary); text-decoration: none; }
.footer-grid a:hover { color: var(--color-accent); }
.footer-legal-links {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-1);
}
.footer-legal-links a { text-decoration: underline; text-underline-offset: 3px; font-size: 0.9rem; }
.footer-bottom {
  margin-top: var(--space-4);
  padding-top: var(--space-2);
  border-top: 1px solid rgba(246, 243, 236, 0.16);
  font-size: 0.85rem;
  color: rgba(246, 243, 236, 0.6);
}

/* =========================================================
   MOTION – Reveal, Hero-Entrance, prefers-reduced-motion
   ========================================================= */
@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }

  .reveal {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
  }
  .reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
  }

  .reveal-stagger.is-visible > * {
    transition-delay: calc(var(--stagger-i, 0) * 70ms);
  }

  .hero-copy > * {
    opacity: 0;
    animation: hero-in 0.8s var(--ease) forwards;
  }
  .hero-eyebrow { animation-delay: 0.05s; }
  .hero-copy h1 { animation-delay: 0.15s; }
  .hero-sub { animation-delay: 0.25s; }
  .hero-desc { animation-delay: 0.35s; }
  .hero-copy .cta-row { animation-delay: 0.45s; }

  .hero-media {
    opacity: 0;
    animation: hero-media-in 0.9s var(--ease) 0.1s forwards;
  }

  @keyframes hero-in {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
  }
  @keyframes hero-media-in {
    from { opacity: 0; transform: scale(1.03); }
    to { opacity: 1; transform: scale(1); }
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal, .hero-copy > *, .hero-media {
    opacity: 1 !important;
    transform: none !important;
    animation: none !important;
    transition: none !important;
  }
}

/* Utility: visually hidden but accessible */
.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;
}