/* ============================================
   FORSCHERWERK e.V. – Hauptstylesheet
   Zum Anpassen: Farben stehen unter :root {}
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@700;900&family=Lato:wght@300;400;700&display=swap');

:root {
  --gruen: #3a7d44;
  --gruen-hell: #5aab6a;
  --blau: #2a6496;
  --blau-hell: #4a90c4;
  --welle: #5b9ec9;
  --warm-bg: #fdf8f0;
  --text: #3a3028;
  --text-hell: #6b5c4e;
  --akzent: #c8860a;
  --weiss: #ffffff;
  --schatten: rgba(0,0,0,0.08);
}

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

body {
  font-family: 'Lato', sans-serif;
  color: var(--text);
  background-color: var(--warm-bg);
  background-image: url('hintergrund.svg');
  background-repeat: repeat;
  background-size: 600px;
  background-attachment: fixed;
  min-height: 100vh;
}

/* ===== HEADER ===== */
header {
  background: rgba(253, 248, 240, 0.97);
  border-bottom: 3px solid var(--gruen);
  padding: 10px 0 0 0;
  position: relative;
}

.header-inner-neu {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 30px 0;
  gap: 20px;
}

.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 220px 1fr 220px;
  align-items: center;
  padding: 10px 20px;
  gap: 10px;
}

.header-mitte {
  text-align: center;
}

.header-mitte h1 {
  font-family: 'Lato', sans-serif;
  font-size: 2.8rem;
  font-weight: 900;
  color: var(--gruen);
  line-height: 1.1;
  letter-spacing: -0.5px;
}

.wellen-container {
  margin-top: 6px;
  overflow: hidden;
  height: 22px;
}

.header-links svg,
.header-rechts svg {
  width: 100%;
  height: auto;
  max-height: 140px;
}

/* ===== NAVIGATION ===== */
nav {
  background: var(--gruen);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px var(--schatten);
}

nav ul {
  list-style: none;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  max-width: 1100px;
  margin: 0 auto;
}

nav ul li a {
  display: block;
  padding: 14px 22px;
  color: var(--weiss);
  text-decoration: none;
  font-family: 'Lato', sans-serif;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  transition: background 0.2s, color 0.2s;
}

nav ul li a:hover,
nav ul li a.aktiv {
  background: var(--gruen-hell);
  color: var(--weiss);
}

/* ===== HAUPTINHALT ===== */
main {
  max-width: 900px;
  margin: 0 auto;
  padding: 30px 20px 60px;
}

.seite {
  display: none;
}

.seite.aktiv {
  display: block;
}

/* ===== KASTANIENBAUM (Startseite) ===== */
.baum-container {
  text-align: center;
  margin: 10px auto 30px;
  max-width: 700px;
}

.baum-container svg {
  width: 100%;
  height: auto;
  max-height: 420px;
}

.startseite-slogan {
  font-family: 'Playfair Display', serif;
  font-size: 1.9rem;
  color: var(--gruen);
  text-align: center;
  margin: 10px 0 30px;
  line-height: 1.3;
}

.foto-platzhalter {
  background: #e8f0e8;
  border: 2px dashed var(--gruen);
  border-radius: 12px;
  padding: 40px;
  text-align: center;
  color: var(--gruen);
  font-style: italic;
  margin-top: 20px;
}

/* ===== INHALTSSEITEN ===== */
.seiten-inhalt {
  background: rgba(255,255,255,0.88);
  border-radius: 16px;
  padding: 40px 50px;
  box-shadow: 0 4px 20px var(--schatten);
  backdrop-filter: blur(2px);
}

.seiten-inhalt h2 {
  font-family: 'Playfair Display', serif;
  font-size: 2rem;
  color: var(--gruen);
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--blau-hell);
}

.seiten-inhalt h3 {
  font-family: 'Playfair Display', serif;
  font-size: 1.4rem;
  color: var(--blau);
  margin: 30px 0 14px;
}

.seiten-inhalt p {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text);
  margin-bottom: 16px;
}

.seiten-inhalt .absatz {
  margin-top: 30px;
}

/* ===== FOTOS ===== */
.foto-rahmen {
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 30px;
  box-shadow: 0 4px 16px var(--schatten);
}

.foto-rahmen img {
  width: 100%;
  height: auto;
  display: block;
}

/* ===== KONTAKT ===== */
.kontakt-box {
  background: #f0f7f0;
  border-left: 4px solid var(--gruen);
  border-radius: 8px;
  padding: 20px 24px;
  margin: 16px 0;
}

.kontakt-box .kontakt-zweck {
  font-size: 0.9rem;
  color: var(--text-hell);
  margin-top: 4px;
}

.kontakt-box a {
  color: var(--blau);
  font-weight: 700;
  text-decoration: none;
  font-size: 1.1rem;
}

.kontakt-box a:hover {
  text-decoration: underline;
}

/* ===== UNTERSTÜTZUNG ===== */
.crowdfunding-btn {
  display: inline-block;
  background: var(--akzent);
  color: var(--weiss);
  font-family: 'Lato', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  padding: 16px 36px;
  border-radius: 50px;
  text-decoration: none;
  margin: 20px 0;
  transition: background 0.2s, transform 0.1s;
  box-shadow: 0 4px 14px rgba(200,134,10,0.3);
}

.crowdfunding-btn:hover {
  background: #a06d08;
  transform: translateY(-2px);
}

.kontakt-link-hinweis {
  font-style: italic;
  color: var(--text-hell);
  margin-top: 20px;
}

.kontakt-link-hinweis a {
  color: var(--blau);
  font-weight: 700;
  text-decoration: none;
}

.kontakt-link-hinweis a:hover {
  text-decoration: underline;
}

/* ===== IMPRESSUM ===== */
.impressum-box {
  background: #f8f8f8;
  border-radius: 10px;
  padding: 24px 30px;
  font-size: 0.95rem;
  line-height: 1.9;
  color: var(--text-hell);
}

/* ===== PLATZHALTER KONZEPT ===== */
.platzhalter-box {
  background: #fff8e8;
  border: 2px dashed var(--akzent);
  border-radius: 12px;
  padding: 40px;
  text-align: center;
  color: var(--akzent);
}

.platzhalter-box p {
  color: var(--akzent);
  font-size: 1.05rem;
}

/* ===== KONZEPT-SEITE ===== */
.konzept-intro {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  background: #f0f8f0;
  border-radius: 14px;
  padding: 24px;
  margin-bottom: 10px;
}

.konzept-baum-symbol {
  flex-shrink: 0;
}

.konzept-intro-text p {
  margin-bottom: 10px;
}

.konzept-saeule {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  padding: 18px 0;
  border-bottom: 1px solid #e8e0d4;
}

.konzept-saeule:last-of-type {
  border-bottom: none;
}

.konzept-icon {
  flex-shrink: 0;
  width: 62px;
  height: 62px;
  border-radius: 50%;
  border: 2px solid;
  display: flex;
  align-items: center;
  justify-content: center;
}

.konzept-saeule-text h4 {
  font-family: 'Playfair Display', serif;
  font-size: 1.15rem;
  color: var(--gruen);
  margin-bottom: 6px;
}

.konzept-saeule-text p {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--text);
  margin: 0;
}

.konzept-info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 16px;
}

.konzept-info-box {
  background: #fdf8f0;
  border: 1px solid #e8d8b8;
  border-radius: 12px;
  padding: 18px;
}

.konzept-info-icon {
  font-size: 1.6rem;
  margin-bottom: 8px;
}

.konzept-info-box h5 {
  font-family: 'Playfair Display', serif;
  font-size: 1rem;
  color: var(--blau);
  margin-bottom: 6px;
}

.konzept-info-box p {
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--text-hell);
  margin: 0;
}

.konzept-tagesplan {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 14px;
}

.tagesplan-slot {
  display: flex;
  align-items: center;
  gap: 20px;
  background: #fafaf8;
  border-left: 4px solid;
  border-radius: 0 10px 10px 0;
  padding: 12px 18px;
}

.tagesplan-zeit {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--text-hell);
  min-width: 110px;
  font-family: 'Lato', sans-serif;
}

.tagesplan-name {
  font-size: 1rem;
  color: var(--text);
  font-weight: 400;
}

.konzept-forscherzwerge {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  background: #f0f8ff;
  border: 2px solid #4a90c4;
  border-radius: 14px;
  padding: 20px 24px;
  margin-top: 24px;
}

.konzept-fz-icon {
  font-size: 2.2rem;
  flex-shrink: 0;
}

.konzept-forscherzwerge h4 {
  font-family: 'Playfair Display', serif;
  color: var(--blau);
  font-size: 1.1rem;
  margin-bottom: 6px;
}

.konzept-forscherzwerge p {
  font-size: 0.98rem;
  line-height: 1.7;
  color: var(--text);
  margin: 0;
}

@media (max-width: 720px) {
  .konzept-intro {
    flex-direction: column;
  }
  .konzept-info-grid {
    grid-template-columns: 1fr;
  }
  .konzept-saeule {
    flex-direction: column;
    gap: 12px;
  }
}

/* ===== WORTWOLKE STARTSEITE ===== */
.adjektiv-wolke {
  text-align: center;
  padding: 30px 20px 20px;
  max-width: 800px;
  margin: 0 auto;
  line-height: 2.6;
}

.adj-wort {
  display: inline-block;
  margin: 6px 10px;
  font-family: 'Lato', sans-serif;
  font-weight: 700;
  border-radius: 20px;
  padding: 5px 16px;
}

.adj-1 { font-size: 1.25rem; color: #7a5010; background: rgba(255,248,225,0.85); border: 1.5px solid #c8860a; }
.adj-2 { font-size: 1.4rem;  color: #2a5020; background: rgba(235,250,228,0.85); border: 1.5px solid #4a7a30; }
.adj-3 { font-size: 1.15rem; color: #1a4470; background: rgba(228,242,255,0.85); border: 1.5px solid #2a6496; }
.adj-4 { font-size: 1.3rem;  color: #802810; background: rgba(255,238,232,0.85); border: 1.5px solid #b03820; }
.adj-5 { font-size: 1.1rem;  color: #4a2070; background: rgba(242,235,255,0.85); border: 1.5px solid #6a38a0; }
.adj-6 { font-size: 1.35rem; color: #1a4818; background: rgba(232,250,228,0.85); border: 1.5px solid #3a7030; }
.adj-7 { font-size: 1.2rem;  color: #7a5000; background: rgba(255,246,218,0.85); border: 1.5px solid #b8860a; }

/* ===== FOOTER ===== */
footer {
  background: var(--gruen);
  color: rgba(255,255,255,0.8);
  text-align: center;
  padding: 18px;
  font-size: 0.85rem;
  margin-top: 40px;
}

footer a {
  color: rgba(255,255,255,0.9);
  text-decoration: none;
  margin: 0 8px;
}

footer a:hover {
  text-decoration: underline;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 720px) {
  .header-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .header-links, .header-rechts {
    display: none;
  }

  .header-mitte h1 {
    font-size: 1.9rem;
  }

  nav ul li a {
    padding: 11px 14px;
    font-size: 0.85rem;
  }

  .seiten-inhalt {
    padding: 24px 20px;
  }

  .startseite-slogan {
    font-size: 1.4rem;
  }
}