/* energiespar-guide.de – globales Stylesheet */

:root {
  --green-dark: #0b5e3b;
  --green: #1a8f5e;
  --green-light: #e6f6ee;
  --yellow: #f5c518;
  --text: #1c2b26;
  --text-light: #52635c;
  --bg: #ffffff;
  --bg-alt: #f7faf8;
  --border: #e0e8e3;
  --max-width: 1100px;
  --radius: 10px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

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

a { color: var(--green-dark); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
header.site-header {
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 50;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
}

.logo {
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--green-dark);
  display: flex;
  align-items: center;
  gap: 8px;
}
.logo span.dot { color: var(--yellow); }

nav.main-nav ul {
  list-style: none;
  display: flex;
  gap: 24px;
  margin: 0;
  padding: 0;
}
nav.main-nav a {
  color: var(--text);
  font-weight: 600;
  font-size: 0.95rem;
}
nav.main-nav a:hover { color: var(--green-dark); text-decoration: none; }

/* Hero */
.hero {
  background: linear-gradient(180deg, var(--green-light) 0%, var(--bg) 100%);
  padding: 56px 0 48px;
  text-align: center;
}
.hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  margin: 0 0 14px;
  color: var(--green-dark);
}
.hero p.lead {
  font-size: 1.15rem;
  color: var(--text-light);
  max-width: 680px;
  margin: 0 auto 28px;
}

/* Vergleichsrechner-Box */
.rechner-box {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 10px 30px rgba(11,94,59,0.08);
  max-width: 760px;
  margin: 0 auto;
  padding: 28px;
}
.rechner-box h2 {
  margin-top: 0;
  font-size: 1.15rem;
  color: var(--green-dark);
}
.rechner-placeholder {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 40px 20px;
  text-align: center;
  color: var(--text-light);
  background: var(--bg-alt);
  font-size: 0.95rem;
}

.btn {
  display: inline-block;
  background: var(--green);
  color: #fff;
  font-weight: 700;
  padding: 14px 28px;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  font-size: 1rem;
}
.btn:hover { background: var(--green-dark); text-decoration: none; }

/* Trust-Leiste */
.trust-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 28px;
  padding: 22px 0;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
  color: var(--text-light);
}
.trust-bar strong { color: var(--text); }

/* Sections */
section.content { padding: 56px 0; }
section.content.alt { background: var(--bg-alt); }

.section-title {
  text-align: center;
  margin-bottom: 36px;
}
.section-title h2 {
  font-size: 1.8rem;
  color: var(--green-dark);
  margin-bottom: 10px;
}
.section-title p {
  color: var(--text-light);
  max-width: 560px;
  margin: 0 auto;
}

/* Karten-Grid */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 22px;
}

.card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: box-shadow 0.15s ease, transform 0.15s ease;
}
.card:hover {
  box-shadow: 0 8px 24px rgba(11,94,59,0.08);
  transform: translateY(-2px);
}
.card h3 { margin-top: 0; color: var(--green-dark); font-size: 1.05rem; }
.card p { color: var(--text-light); font-size: 0.95rem; }
.card a.card-link { font-weight: 600; }

/* Städte-Liste */
.city-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 10px;
}
.city-grid a {
  display: block;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--text);
}
.city-grid a:hover { border-color: var(--green); color: var(--green-dark); text-decoration: none; }

/* Artikel-Layout */
.article-header {
  padding: 48px 0 28px;
  background: var(--green-light);
}
.article-header .container { max-width: 760px; }
.article-header h1 { color: var(--green-dark); margin-bottom: 8px; }
.article-meta { color: var(--text-light); font-size: 0.9rem; }

article.article-body {
  max-width: 760px;
  margin: 0 auto;
  padding: 40px 20px 60px;
}
article.article-body h2 {
  color: var(--green-dark);
  margin-top: 2.2em;
  font-size: 1.4rem;
}
article.article-body h3 { color: var(--text); font-size: 1.1rem; }
article.article-body p, article.article-body li { color: var(--text); }
article.article-body ul, article.article-body ol { padding-left: 1.2em; }

.callout {
  background: var(--green-light);
  border-left: 4px solid var(--green);
  border-radius: 6px;
  padding: 18px 20px;
  margin: 28px 0;
}
.callout strong { color: var(--green-dark); }

.cta-box {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  margin: 32px 0;
}
.cta-box h3 { margin-top: 0; color: var(--green-dark); }

table.vergleich {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 0.92rem;
}
table.vergleich th, table.vergleich td {
  border: 1px solid var(--border);
  padding: 10px 12px;
  text-align: left;
}
table.vergleich th { background: var(--green-light); color: var(--green-dark); }

/* FAQ */
details.faq-item {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 18px;
  margin-bottom: 10px;
  background: var(--bg);
}
details.faq-item summary {
  font-weight: 700;
  cursor: pointer;
  color: var(--text);
}
details.faq-item p { margin: 10px 0 2px; color: var(--text-light); }

/* Footer */
footer.site-footer {
  background: var(--green-dark);
  color: #d9ece2;
  padding: 44px 0 28px;
  margin-top: 60px;
  font-size: 0.9rem;
}
footer.site-footer a { color: #fff; }
footer.site-footer .footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 28px;
  margin-bottom: 28px;
}
footer.site-footer h4 { color: #fff; font-size: 0.95rem; margin-bottom: 12px; }
footer.site-footer ul { list-style: none; padding: 0; margin: 0; }
footer.site-footer li { margin-bottom: 6px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.15);
  padding-top: 18px;
  text-align: center;
  font-size: 0.8rem;
  color: #a9c9ba;
}

/* Mobile */
@media (max-width: 720px) {
  nav.main-nav ul { gap: 14px; flex-wrap: wrap; justify-content: center; }
  .site-header .container { flex-direction: column; gap: 10px; padding-bottom: 16px; }
}