:root {
  --base: #f9f9f9;
  --base-2: #ffffff;
  --contrast: #111111;
  --contrast-2: #636363;
  --contrast-3: #a4a4a4;
  --accent: #3e753b;
  --accent-2: #5e8b59;
  --accent-3: #7da278;
  --accent-4: #9db898;
  --accent-5: #bdd0ba;
  --wide: 940px;
  /* 3 einheitliche Abstandsstufen */
  --gap-sm: 1rem;    /* innerhalb von Elementen, Buttons, Listen */
  --gap-md: 2rem;    /* zwischen Reihen, Sektionen, Spalten */
  --gap-lg: 3.5rem;  /* große Trennung (z.B. Hero) */
}

/* Fonts */
@font-face { font-family: 'Fira Sans Condensed'; font-style: normal; font-weight: 300; font-display: swap; src: url('../font/fira-sans-condensed-300.woff2') format('woff2'); }
@font-face { font-family: 'Fira Sans Condensed'; font-style: normal; font-weight: 400; font-display: swap; src: url('../font/fira-sans-condensed-400.woff2') format('woff2'); }
@font-face { font-family: 'Fira Sans Condensed'; font-style: normal; font-weight: 500; font-display: swap; src: url('../font/fira-sans-condensed-500.woff2') format('woff2'); }
@font-face { font-family: 'Fira Sans Condensed'; font-style: normal; font-weight: 600; font-display: swap; src: url('../font/fira-sans-condensed-600.woff2') format('woff2'); }
@font-face { font-family: 'Fira Sans Condensed'; font-style: normal; font-weight: 700; font-display: swap; src: url('../font/fira-sans-condensed-700.woff2') format('woff2'); }
@font-face { font-family: 'Fira Sans Condensed'; font-style: normal; font-weight: 800; font-display: swap; src: url('../font/fira-sans-condensed-800.woff2') format('woff2'); }
@font-face { font-family: 'Lustria'; font-style: normal; font-weight: 400; font-display: swap; src: url('../font/lustria-400.woff2') format('woff2'); }

/* Reset & Base */
*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--base);
  color: var(--contrast);
  font-family: 'Lustria', Georgia, serif;
  font-size: 1.05rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: 'Fira Sans Condensed', sans-serif;
  font-weight: 600;
  line-height: 1.2;
  margin: 0 0 0.6em;
  color: var(--contrast);
}

h1 { font-size: clamp(2rem, 4vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
h3 { font-size: 1.4rem; }
h4 { font-size: 1.2rem; }

p { margin: 0 0 1.1rem; }

a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }
a:hover { color: var(--accent-2); }

/* Layout */
.container {
  max-width: var(--wide);
  margin: 0 auto;
  padding: 0 var(--gap-sm);
}

.container-full {
  width: 100%;
  padding: 0 var(--gap-sm);
}

.section { padding: var(--gap-md) 0; }
.section + .section { padding-top: 0; }

main { min-height: 60vh; }

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.7rem 1.4rem;
  font-family: 'Fira Sans Condensed', sans-serif;
  font-size: 1rem;
  font-weight: 500;
  text-decoration: none;
  border-radius: 4px;
  border: 2px solid var(--accent);
  background: var(--accent);
  color: var(--base);
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.btn:hover { background: var(--accent-2); border-color: var(--accent-2); color: var(--base); }

.btn-outline {
  background: transparent;
  color: var(--accent);
}
.btn-outline:hover { background: var(--accent); color: var(--base); }

.btn-group { display: flex; flex-wrap: wrap; gap: var(--gap-sm); margin-top: var(--gap-sm); }

/* Header */
.site-header {
  background: var(--base);
  padding: var(--gap-sm) 0;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.site-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: var(--gap-sm);
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav a {
  font-family: 'Fira Sans Condensed', sans-serif;
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--contrast);
  text-decoration: none;
}
.site-nav a:hover, .site-nav a.is-active { color: var(--accent); }

/* Hero / Two-Column rows */
.row-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap-md);
  align-items: center;
}
.row-2col + .row-2col { margin-top: 0; }
.row-2col img {
  max-width: 100%;
  max-height: 260px;
  width: auto;
  margin: 0 auto;
}

@media (max-width: 720px) {
  .row-2col { grid-template-columns: 1fr; gap: var(--gap-sm); }
}

/* Team */
.team-section {
  padding: var(--gap-md) 0 0;
}
.team-section .section-head { text-align: center; max-width: 700px; margin: 0 auto var(--gap-md); }
.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--gap-md);
}
.team-card { text-align: center; }
.team-card img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 50%;
  background: var(--accent-5);
}
.team-card .name {
  font-family: 'Fira Sans Condensed', sans-serif;
  font-weight: 600;
  margin-top: 0.8rem;
  font-size: 1.05rem;
}
.team-card .role {
  color: var(--contrast-2);
  font-size: 0.9rem;
  margin: 0;
}

@media (max-width: 900px) { .team-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .team-grid { grid-template-columns: 1fr; } }

/* Details / Accordion */
details.accordion {
  border: 1px solid var(--accent-5);
  border-radius: 4px;
  margin-bottom: 0.8rem;
  background: var(--base-2);
}
details.accordion > summary {
  cursor: pointer;
  padding: 1rem 1.2rem;
  font-family: 'Fira Sans Condensed', sans-serif;
  font-weight: 600;
  font-size: 1.1rem;
  list-style: none;
  position: relative;
}
details.accordion > summary::-webkit-details-marker { display: none; }
details.accordion > summary::after {
  content: '+';
  position: absolute;
  right: 1.2rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.4rem;
  color: var(--accent);
  transition: transform 0.2s;
}
details.accordion[open] > summary::after { content: '–'; }
details.accordion > .content { padding: 0 1.2rem 1rem; }
details.accordion ul { padding-left: 1.2rem; }

/* Tables */
table {
  border-collapse: collapse;
  width: 100%;
  margin: 1.2rem 0;
  background: var(--base-2);
}
th, td {
  text-align: left;
  padding: 0.7rem 1rem;
  border-bottom: 1px solid var(--accent-5);
}
th {
  font-family: 'Fira Sans Condensed', sans-serif;
  background: var(--accent-5);
  color: var(--contrast);
}

/* Footer */
.site-footer {
  background: var(--base);
  padding: var(--gap-md) 0 var(--gap-md);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--gap-md);
}
@media (max-width: 720px) {
  .footer-grid { grid-template-columns: 1fr; gap: var(--gap-md); }
}

.site-footer h2 {
  font-size: 1.1rem;
  margin-bottom: 0.8rem;
}
.site-footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.site-footer a {
  color: var(--contrast);
  text-decoration: none;
  font-size: 0.95rem;
}
.site-footer a:hover { color: var(--accent); }

.social-icons {
  display: flex;
  gap: 0.6rem;
  margin-bottom: 1.2rem;
}
.social-icons a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--accent);
  border-radius: 50%;
  color: var(--base-2);
}
.social-icons a:hover { background: var(--accent-2); }
.social-icons svg { width: 18px; height: 18px; fill: currentColor; }

.copyright { font-size: 0.85rem; font-weight: 600; margin-bottom: 0.4rem; }
.attribution { font-size: 0.8rem; color: var(--contrast-2); margin: 0; }

/* Utility */
.text-center { text-align: center; }
.muted { color: var(--contrast-2); }

.modified-date {
  display: inline-block;
  margin-bottom: var(--gap-sm);
  color: var(--contrast-2);
  font-size: 0.95rem;
}