@import url('https://fonts.googleapis.com/css2?family=Palanquin+Dark:wght@700&family=Merriweather:ital,wght@0,400;1,400&family=Oi&display=swap');

:root {
  --natur-bg: #f5f2eb;
  --natur-bg-alt: #eceade;
  --natur-gruen-tief: #2c4a2e;
  --natur-gruen-mitte: #4a7c59;
  --natur-gruen-hell: #8ab89a;
  --natur-blau: #4a6d8c;
  --natur-blau-hell: #a8c4d4;
  --natur-text: #2a2a25;
  --natur-text-weich: #5a5a50;
  --natur-linie: #c8c4b0;
  --natur-akzent: #7a9e6e;
  --natur-grid-cols: minmax(180px, 1fr) minmax(0, 620px) minmax(180px, 1fr);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 18px; scroll-behavior: smooth; }
body { font-family: 'Merriweather', Georgia, serif; font-weight: 400; background-color: var(--natur-bg); color: var(--natur-text); line-height: 1.75; min-height: 100vh; }
h1, h2, h3, h4 { font-family: 'Palanquin Dark', Georgia, serif; font-weight: 700; color: var(--natur-gruen-tief); line-height: 1.25; }
h1 { font-size: 2.4rem; letter-spacing: -0.02em; }
h2 { font-size: 1.4rem; letter-spacing: 0.04em; text-transform: uppercase; color: var(--natur-gruen-mitte); }
h3 { font-size: 1.25rem; }
p { margin-bottom: 1.25rem; max-width: 65ch; }
a { color: var(--natur-blau); text-decoration: underline; text-decoration-color: var(--natur-blau-hell); text-underline-offset: 3px; transition: color 0.2s, text-decoration-color 0.2s; }
a:hover { color: var(--natur-gruen-tief); text-decoration-color: var(--natur-gruen-hell); }
em { font-family: 'Merriweather', Georgia, serif; font-style: italic; color: var(--natur-gruen-mitte); }

.natur-wrap { max-width: 1100px; margin: 0 auto; padding: 0 1.5rem; }
.natur-header { padding: 4rem 0 3rem; border-bottom: 1px solid var(--natur-linie); margin-bottom: 4rem; }
.natur-header .natur-wrap {
  display: grid;
  grid-template-columns: var(--natur-grid-cols);
  column-gap: 2rem;
  row-gap: 0.5rem;
}
.natur-header .natur-wrap > * { grid-column: 2; }
.natur-header-eyebrow { font-size: 0.8rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--natur-text-weich); }
.natur-header-eyebrow a { color: var(--natur-text-weich); text-decoration: none; }
.natur-header-eyebrow a:hover { color: var(--natur-gruen-tief); }
.natur-title { font-family: 'Palanquin Dark', Georgia, serif; font-size: 3.5rem; font-weight: 700; color: var(--natur-gruen-tief); letter-spacing: -0.03em; line-height: 1.1; text-transform: lowercase; }
.natur-subtitle { font-size: 1rem; color: var(--natur-text-weich); font-weight: 300; max-width: 55ch; margin-top: 0.75rem; }
.natur-nav { display: flex; gap: 2rem; margin-top: 1.5rem; flex-wrap: wrap; }
.natur-nav a { font-size: 0.85rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--natur-text-weich); text-decoration: none; border-bottom: 1px solid transparent; padding-bottom: 2px; transition: color 0.2s, border-color 0.2s; }
.natur-nav a:hover, .natur-nav a.aktiv { color: var(--natur-gruen-tief); border-bottom-color: var(--natur-gruen-mitte); }

.natur-section { margin-bottom: 5rem; }
.natur-section-header { display: flex; align-items: baseline; gap: 1.5rem; margin-bottom: 2rem; padding-bottom: 0.75rem; border-bottom: 1px solid var(--natur-linie); }
.natur-section-header h2 { font-size: 0.75rem; letter-spacing: 0.14em; }
.natur-section-header .natur-mehr { font-size: 0.8rem; color: var(--natur-text-weich); text-decoration: none; margin-left: auto; }
.natur-section-header .natur-mehr:hover { color: var(--natur-gruen-mitte); }

.natur-fragmente-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1.25rem; list-style: none; }
.natur-fragment-item { background: var(--natur-bg-alt); border-left: 3px solid var(--natur-gruen-hell); padding: 1.25rem 1.5rem; font-size: 0.95rem; line-height: 1.65; }
.natur-fragment-item p { margin: 0; max-width: none; color: var(--natur-text); }
.natur-fragment-datum { display: block; font-size: 0.7rem; color: var(--natur-text-weich); margin-top: 0.75rem; letter-spacing: 0.04em; }

.natur-links-liste { list-style: none; display: flex; flex-direction: column; gap: 1rem; }
.natur-link-item { display: flex; flex-direction: column; gap: 0.2rem; }
.natur-link-item a { font-weight: 400; font-size: 1rem; }
.natur-link-beschreibung { font-size: 0.875rem; color: var(--natur-text-weich); margin: 0; }

.natur-texte-liste { display: flex; flex-direction: column; gap: 2rem; list-style: none; }
.natur-text-item { display: grid; grid-template-columns: 3rem 1fr; gap: 0 1.5rem; align-items: start; }
.natur-text-datum { font-size: 0.7rem; color: var(--natur-text-weich); text-align: right; line-height: 1.6rem; padding-top: 0.15rem; }
.natur-text-item h3 { font-size: 1.15rem; margin-bottom: 0.3rem; }
.natur-text-item h3 a { text-decoration: none; color: var(--natur-gruen-tief); }
.natur-text-item h3 a:hover { color: var(--natur-blau); }
.natur-text-excerpt { font-size: 0.95rem; color: var(--natur-text-weich); margin: 0; }

.natur-footer { margin-top: 6rem; padding: 2rem 0; border-top: 1px solid var(--natur-linie); font-size: 0.8rem; color: var(--natur-text-weich); }
.natur-footer .natur-wrap { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; }
.natur-footer a { color: var(--natur-text-weich); font-size: 0.8rem; }

.natur-artikel { padding: 2rem 0 4rem; }
.natur-artikel-titel { font-size: 2.2rem; margin-bottom: 0.5rem; text-transform: lowercase; }
.natur-artikel-meta { font-size: 0.8rem; color: var(--natur-text-weich); margin-bottom: 1rem; letter-spacing: 0.04em; }
.natur-artikel-body { font-family: 'Merriweather', Georgia, serif; font-size: 1.05rem; line-height: 1.85; }
.natur-artikel-body p { margin-bottom: 1.5rem; }
.natur-artikel-body h2 { font-size: 1.3rem; margin: 2.5rem 0 1rem; letter-spacing: 0; color: var(--natur-gruen-tief); }
.natur-artikel-body h3 { font-size: 1.1rem; margin: 2rem 0 0.75rem; color: var(--natur-gruen-mitte); }
.natur-artikel-body h4 { font-size: 0.8rem; letter-spacing: 0.1em; margin: 1.75rem 0 0.5rem; color: var(--natur-text-weich); }

.natur-artikel-body strong { font-weight: 500; color: var(--natur-gruen-tief); }

.natur-artikel-body blockquote { margin: 0 0 1.5rem; padding: 0.25rem 0 0.25rem 1.25rem; border-left: 3px solid var(--natur-gruen-hell); font-style: italic; color: var(--natur-text-weich); }
.natur-artikel-body blockquote p { margin-bottom: 0.5rem; }
.natur-artikel-body blockquote p:last-child { margin-bottom: 0; }

.natur-artikel-body ul, .natur-artikel-body ol { margin: 0 0 1.5rem 1.25rem; }
.natur-artikel-body li { margin-bottom: 0.4rem; }
.natur-artikel-body li > ul, .natur-artikel-body li > ol { margin-top: 0.4rem; margin-bottom: 0; }
.natur-artikel-body ul { list-style: disc; }
.natur-artikel-body ol { list-style: decimal; }
.natur-artikel-body ul ::marker, .natur-artikel-body ol ::marker { color: var(--natur-gruen-hell); }

.natur-artikel-body hr { border: none; height: 1px; width: 4rem; margin: 3rem 0; background: var(--natur-linie); }

.natur-artikel-body .natur-wachstum + p::first-letter {
  font-family: 'Palanquin Dark', Georgia, serif;
  font-size: 3.4em;
  font-weight: 500;
  line-height: 0.85;
  float: left;
  margin: 0.05em 0.1em 0 0;
  color: var(--natur-gruen-tief);
}

/* ─── Wiki: Wachstum, Marginalien, Backlinks, Wikilinks ────── */

.natur-wachstum { font-size: 0.8rem; color: var(--natur-text-weich); display: flex; flex-wrap: wrap; gap: 0.4rem; align-items: center; margin-bottom: 2rem; letter-spacing: 0.02em; }

.natur-intro { padding-bottom: 3rem; }

.natur-wiki-grid {
  display: grid;
  grid-template-columns: var(--natur-grid-cols);
  column-gap: 2rem;
  text-transform: lowercase;
}
.natur-wiki-grid h2 {
  font-family: 'Oi', Georgia, serif;
  font-size: clamp(2rem, 7vw, 4rem);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin: 2.5rem 0 1.5rem;
  color: var(--natur-gruen-tief);
  text-transform: lowercase;
  transform-origin: center center;
}

@supports (animation-timeline: scroll()) {
  @media (prefers-reduced-motion: no-preference) {
    .natur-wiki-grid h2 {
      animation: natur-heading-zoom linear both;
      animation-timeline: scroll(root block);
      animation-range: 0 60vh;
    }
  }
}

@keyframes natur-heading-zoom {
  from { transform: scale(1); opacity: 1; }
  to   { transform: scale(5); opacity: 0; }
}
.natur-wiki-grid > :not(aside) { grid-column: 2; }
.natur-wiki-grid > aside.natur-marginal-note { grid-column: 3; }

aside.natur-marginal-note {
  font-family: 'Merriweather', Georgia, serif;
  font-size: 0.7rem;
  line-height: 1.5;
  color: var(--natur-text-weich);
  position: sticky;
  top: 1.5rem;
  align-self: start;
  height: 0;
  overflow: visible;
}
aside.natur-marginal-note strong { color: var(--natur-text); font-weight: 600; }
aside.natur-marginal-note em { font-size: 1em; color: inherit; }
aside.natur-marginal-note a { text-decoration-color: var(--natur-linie); }

@media (min-width: 901px) {
  .natur-wiki-grid > aside.natur-marginal-note.natur-marginal-note--left {
    grid-column: 1;
    text-align: right;
  }
  .natur-wiki-grid > aside.natur-marginal-note.natur-marginal-note--right {
    grid-column: 3;
  }
}

.natur-backlinks { margin-top: 4rem; padding-top: 1.5rem; border-top: 1px solid var(--natur-linie); font-size: 0.85rem; }
.natur-backlinks p { margin-bottom: 0.75rem; color: var(--natur-text-weich); text-transform: uppercase; letter-spacing: 0.1em; font-size: 0.75rem; }
.natur-backlinks ul { list-style: none; display: flex; flex-direction: column; gap: 0.4rem; max-width: none; }

a.wikilink-broken, span.wikilink-broken { color: var(--natur-text-weich); text-decoration: underline dotted; cursor: help; }

@media (max-width: 900px) {
  .natur-header .natur-wrap { grid-template-columns: 1fr; }
  .natur-header .natur-wrap > * { grid-column: 1; }
  .natur-wiki-grid { grid-template-columns: 1fr; }
  .natur-wiki-grid > :not(aside) { grid-column: 1; }
  aside.natur-marginal-note {
    grid-column: 1;
    position: static;
    height: auto;
    margin: 0.5rem 0 1.5rem;
    padding-left: 1rem;
    border-left: 2px solid var(--natur-linie);
  }
}

@media (prefers-reduced-motion: reduce) {
  aside.natur-marginal-note { position: static; height: auto; }
}

@media (max-width: 640px) {
  html { font-size: 16px; }
  .natur-title { font-size: 2.5rem; }
  .natur-text-item { grid-template-columns: 1fr; }
  .natur-text-datum { text-align: left; margin-bottom: 0.2rem; }
  .natur-fragmente-grid { grid-template-columns: 1fr; }
}

/* ─── View Transitions ─────────────────────────────────────── */

@view-transition {
  navigation: auto;
}

.natur-title, .natur-artikel-titel {
  view-transition-name: natur-title;
}

/* ─── Generativer Blob-Hintergrund ─────────────────────────── */

.natur-header { position: relative; overflow: hidden; }
.natur-header .natur-wrap { position: relative; z-index: 1; }

.natur-header-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.35;
  z-index: 0;
  pointer-events: none;
}

@media (prefers-reduced-motion: reduce) {
  .natur-header-video { display: none; }
}

.natur-blob {
  position: absolute;
  top: -20%;
  right: -15%;
  width: 60vw;
  height: 60vw;
  max-width: 640px;
  max-height: 640px;
  background: linear-gradient(135deg, var(--natur-gruen-hell), var(--natur-blau-hell));
  opacity: 0.35;
  filter: blur(60px);
  border-radius: 42% 58% 65% 35% / 45% 40% 60% 55%;
  z-index: 0;
  pointer-events: none;
}

@media (prefers-reduced-motion: no-preference) {
  .natur-blob {
    animation: natur-blob-morph 28s ease-in-out infinite alternate;
  }
}

@keyframes natur-blob-morph {
  0%   { border-radius: 42% 58% 65% 35% / 45% 40% 60% 55%; transform: rotate(0deg) scale(1); }
  50%  { border-radius: 60% 40% 35% 65% / 55% 65% 35% 45%; transform: rotate(8deg) scale(1.05); }
  100% { border-radius: 38% 62% 55% 45% / 60% 35% 65% 40%; transform: rotate(-6deg) scale(0.98); }
}

/* ─── Scroll-driven Reveal ──────────────────────────────────── */

@supports (animation-timeline: view()) {
  @media (prefers-reduced-motion: no-preference) {
    .natur-fragment-item, .natur-text-item, .natur-section {
      animation: natur-reveal linear both;
      animation-timeline: view();
      animation-range: entry 0% entry 40%;
    }
  }
}

@keyframes natur-reveal {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}