/* Regionale Landingpages (page-heizung-<stadt>.php). Wird nur dort geladen, zusammen mit home.css und kontakt.css. */

/* Hero: Farbfläche mit Text links, Bild rechts */
.region-hero { display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 5fr); gap: 0; margin-top: 24px; overflow: hidden; border-radius: var(--outerradius); background: var(--colorgradient); }
.region-hero-text { display: flex; flex-direction: column; justify-content: center; padding: 64px 56px 64px 64px; color: #fff; }
.region-hero p.subtitleh1 { margin: 0 0 10px; color: #fff; font-size: 1.15em; text-align: left; }
.region-hero h1 { margin: 0 0 20px; color: #fff; font-size: 3em; line-height: 1.1; text-align: left; }
.region-hero p.region-lead { margin: 0; color: #fff; font-size: 1.1em; line-height: 1.5; }
.region-cta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 24px; margin-top: 12px; }
.region-hero a.region-main { height: 52px; padding: 0 30px; border-radius: 26px; font-size: 1.1em; line-height: 52px; }
.region-hero a.region-tel { margin-top: 20px; color: #fff; font-weight: 400; text-decoration: underline; text-underline-offset: 3px; }
.region-hero a:focus-visible { outline: 3px solid #fff; outline-offset: 3px; }
.region-hero-image img { display: block; width: 100%; height: 100%; min-height: 480px; object-fit: cover; object-position: 30% 50%; }

/* Fakten-Leiste unter dem Hero */
.region-facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin: 12px 0 64px; padding: 18px 8px; border-radius: var(--outerradius); background: var(--darkcolor); color: #fff; list-style: none; }
.region-facts li { margin: 0; list-style: none; display: flex; flex-direction: column; padding: 0 28px; line-height: 1.35; }
.region-facts li + li { border-left: 1px solid rgba(255, 255, 255, .3); }
.region-facts strong { font-size: 1.35em; font-weight: 500; }

/* Karten "Worauf es ankommt" */
.region-cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; margin: 32px 0 0; text-align: left; }
.region-card { display: flex; flex-direction: column; padding: 32px 28px; border-radius: var(--outerradius); background: var(--lightcolor); }
.region-card h3 { margin: 0 0 12px; color: var(--darkcolor); font-size: 1.3em; font-weight: 500; line-height: 1.25; }
.region-card p { margin: 0 0 16px; line-height: 1.5; }
.region-card a { margin-top: auto; color: var(--accenttypo); font-weight: 400; text-decoration: underline; text-underline-offset: 3px; }

/* Ablauf in vier Schritten */
.region-steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; margin: 32px 0 0; padding: 0; list-style: none; counter-reset: region-step; text-align: left; }
#ablauf .region-steps li { position: relative; margin: 0; padding: 72px 4px 0 0; list-style: none; counter-increment: region-step; }
.region-steps li::before { content: counter(region-step); position: absolute; top: 0; left: 0; display: flex; align-items: center; justify-content: center; width: 52px; height: 52px; border-radius: 50%; background: var(--colorgradient); color: #fff; font-size: 1.4em; font-weight: 500; }
.region-steps li:not(:last-child)::after { content: ""; position: absolute; top: 26px; left: 64px; right: -12px; border-top: 2px dashed #b9e3e5; }
.region-steps h3 { margin: 0 0 8px; color: var(--darkcolor); font-size: 1.2em; font-weight: 500; }
.region-steps p { margin: 0; line-height: 1.5; }

/* Einsatzgebiet */
.region-area { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; margin: 32px 0 0; text-align: left; }
.region-area > div { padding: 28px; border: 2px solid var(--lightcolor); border-radius: var(--outerradius); }
.region-area h3 { margin: 0 0 16px; color: var(--darkcolor); font-size: 1.2em; font-weight: 500; }
.region-area ul { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
#einsatzgebiet .region-area li { display: block; margin: 0; padding: 6px 14px; border-radius: 18px; background: var(--lightcolor); color: var(--darkcolor); line-height: 1.3; list-style: none; }
#einsatzgebiet .region-area li::before { display: none; content: none; }
p.region-area-note { margin: 20px 0 0; color: #555; }

/* FAQ */
.region-faq { max-width: 820px; margin: 32px auto 0; text-align: left; }
.region-faq details { border-bottom: 1px solid #d6eeef; }
.region-faq summary { position: relative; padding: 20px 48px 20px 0; color: var(--deepdark); font-size: 1.1em; font-weight: 400; line-height: 1.4; cursor: pointer; list-style: none; }
.region-faq summary::-webkit-details-marker { display: none; }
.region-faq summary::after { content: "+"; position: absolute; top: 50%; right: 8px; color: var(--accenttypo); font-size: 1.6em; line-height: 1; transform: translateY(-50%); }
.region-faq details[open] summary::after { content: "–"; }
.region-faq summary:focus-visible { outline: 2px solid var(--accentsrf); outline-offset: 2px; }
.region-faq details p { margin: 0 0 20px; line-height: 1.55; }

/* Kontakt am Seitenende */
.region-contact { margin: 64px 0; scroll-margin-top: 24px; }

@media (max-width: 1100px) {
  .region-hero { grid-template-columns: minmax(0, 1fr); }
  .region-hero-image { order: -1; }
  .region-hero-image img { height: 320px; min-height: 0; }
  .region-hero-text { padding: 40px 32px; }
  .region-hero h1 { font-size: 2.4em; }
  .region-cards { grid-template-columns: minmax(0, 1fr); }
  .region-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px 24px; }
  .region-steps li::after { display: none; }
}

@media (max-width: 650px) {
  .region-hero-text { padding: 32px 24px; }
  .region-hero h1 { font-size: 2em; }
  .region-hero-image img { height: 220px; }
  .region-facts { grid-template-columns: minmax(0, 1fr); gap: 14px; padding: 20px 8px; }
  .region-facts li + li { border-left: 0; }
  .region-steps, .region-area { grid-template-columns: minmax(0, 1fr); }
  .region-area > div { padding: 20px; }
}