/* Proinnova Bauen – schlichte Seite, bis die richtige Website steht (21.10.2026).
   Farben und Schriften aus firmenauftritt/ (konzept/corporate-design.md). */
@font-face { font-family: "Source Sans 3"; src: url("SourceSans3-Regular.ttf") format("truetype"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Source Sans 3"; src: url("SourceSans3-SemiBold.ttf") format("truetype"); font-weight: 600; font-display: swap; }
@font-face { font-family: "Fraunces"; src: url("Fraunces72pt-SemiBold.ttf") format("truetype"); font-weight: 600; font-display: swap; }

:root {
  --gruen: #2E4A3B;
  --eiche: #B5834F;
  --text: #22302A;
  --grau: #5E6B64;
  --linie: #E3DDD3;
  --papier: #FBF9F5;
  --kasten: #F2EEE7;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--papier); color: var(--text);
  font: 400 1.0625rem/1.6 "Source Sans 3", system-ui, sans-serif;
}
.rahmen { max-width: 860px; margin: 0 auto; padding: 0 20px; }
header { border-bottom: 1px solid var(--linie); background: #fff; }
header .rahmen { display: flex; align-items: center; justify-content: space-between; min-height: 76px; gap: 16px; }
header img { height: 52px; width: auto; display: block; }
header .rubrik { font-size: .78rem; letter-spacing: .14em; text-transform: uppercase; color: var(--grau); }
main { padding: 48px 0 64px; }
.marke { font-size: .78rem; letter-spacing: .14em; text-transform: uppercase; color: #8F6438; font-weight: 600; margin: 0 0 10px; }
h1 { font: 600 clamp(1.9rem, 4.5vw, 2.7rem)/1.15 "Fraunces", Georgia, serif; color: var(--gruen); margin: 0 0 18px; }
h2 { font: 600 1.35rem/1.3 "Fraunces", Georgia, serif; color: var(--gruen); margin: 36px 0 10px; }
h3 { font-size: 1.05rem; margin: 22px 0 4px; color: var(--gruen); }
p { margin: 0 0 14px; }
.einleitung { font-size: 1.2rem; color: var(--grau); max-width: 40em; }
a { color: var(--gruen); text-underline-offset: 3px; }
a:hover { color: var(--eiche); }
.kasten { background: var(--kasten); border-radius: 6px; padding: 22px 24px; margin: 28px 0; }
.kasten p:last-child { margin-bottom: 0; }
.raster { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; margin: 24px 0; }
.karte { background: #fff; border: 1px solid var(--linie); border-radius: 6px; padding: 20px 22px; }
.karte h3 { margin-top: 0; }
.knopf { display: inline-block; background: var(--gruen); color: #fff; text-decoration: none; padding: 11px 18px; border-radius: 5px; font-weight: 600; margin-top: 8px; }
.knopf:hover { background: #24392E; color: #fff; }
.klein { font-size: .9rem; color: var(--grau); }
footer { border-top: 1px solid var(--linie); padding: 22px 0 40px; font-size: .9rem; color: var(--grau); }
footer .rahmen { display: flex; flex-wrap: wrap; gap: 8px 22px; justify-content: space-between; }
footer a { color: var(--grau); }
@media (max-width: 520px) {
  header .rubrik { display: none; }
  header img { height: 40px; }
  main { padding-top: 32px; }
}