/* Schriften lokal eingebunden (keine Verbindung zu Google) */
@font-face { font-family: "Archivo"; src: url("fonts/archivo-latin-wdth-normal.woff2") format("woff2"); font-weight: 100 900; font-stretch: 62% 125%; font-style: normal; font-display: swap; }
@font-face { font-family: "Public Sans"; src: url("fonts/public-sans-latin-400-normal.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Public Sans"; src: url("fonts/public-sans-latin-500-normal.woff2") format("woff2"); font-weight: 500; font-display: swap; }
@font-face { font-family: "Public Sans"; src: url("fonts/public-sans-latin-600-normal.woff2") format("woff2"); font-weight: 600; font-display: swap; }
@font-face { font-family: "IBM Plex Mono"; src: url("fonts/ibm-plex-mono-latin-400-normal.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "IBM Plex Mono"; src: url("fonts/ibm-plex-mono-latin-500-normal.woff2") format("woff2"); font-weight: 500; font-display: swap; }

/* Layout: schmale Textspalte, Energieklassen-Skala als roter Faden; immer hell */
:root {
  --bg: #f3f5f2;
  --surface: #ffffff;
  --fg: #1c2622;
  --muted: #56645d;
  --line: #d4dbd5;
  --accent: #1f5c46;
  --accent-ink: #ffffff;
  --wood: #a96d34;
  --ph: #fff4d6;
  --ph-line: #d9a93a;
  --font-display: "Archivo", "Arial Narrow", system-ui, sans-serif;
  --font-body: "Public Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;
  color-scheme: light;
}
:root[data-theme="dark"] { color-scheme: light; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font-family: var(--font-body); font-size: 17px; line-height: 1.6;
}
img { max-width: 100%; }
.wrap {
  max-width: 1040px; margin: 0 auto;
  padding-left: max(20px, env(safe-area-inset-left, 0px));
  padding-right: max(20px, env(safe-area-inset-right, 0px));
}
h1, h2, h3 { font-family: var(--font-display); font-stretch: 85%; line-height: 1.1; text-wrap: balance; margin: 0; }
h1 { font-size: clamp(2.2rem, 5.6vw, 3.8rem); font-weight: 800; letter-spacing: -0.01em; }
h2 { font-size: clamp(1.6rem, 3.4vw, 2.3rem); font-weight: 700; }
h3 { font-size: 1.25rem; font-weight: 700; }
p { margin: 0; }
a { color: var(--accent); }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 3px solid var(--wood); outline-offset: 3px; }
.eyebrow { font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--wood); }
.ph { background: var(--ph); outline: 1px dashed var(--ph-line); border-radius: 3px; padding: 0 4px; color: var(--fg); }

/* Header */
header.top { border-bottom: 1px solid var(--line); background: var(--bg); }
header.top .wrap { display: flex; justify-content: space-between; align-items: center; gap: 12px 24px; padding-block: 16px; flex-wrap: wrap; }
.logo { font-family: var(--font-display); font-weight: 800; font-stretch: 75%; font-size: 1.35rem; text-decoration: none; color: var(--fg); letter-spacing: 0.01em; }
.logo span { color: var(--accent); }
nav.main { display: flex; gap: 6px 20px; flex-wrap: wrap; }
nav.main a { color: var(--muted); text-decoration: none; font-size: 0.95rem; }
nav.main a:hover, nav.main a[aria-current="page"] { color: var(--fg); }
nav.main a[aria-current="page"] { text-decoration: underline; text-decoration-color: var(--wood); text-underline-offset: 5px; text-decoration-thickness: 2px; }

/* Hero Startseite */
.hero .wrap { display: grid; grid-template-columns: 1.15fr 1fr; gap: 56px; padding-block: 60px 68px; align-items: center; }
.hero .copy { display: grid; gap: 22px; min-width: 0; }
.lead { font-size: 1.15rem; color: var(--muted); max-width: 34em; }
.cta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 6px; }
.btn { display: inline-block; padding: 13px 22px; border-radius: 4px; font-weight: 600; text-decoration: none; font-size: 1rem; }
.btn.primary { background: var(--accent); color: var(--accent-ink); }
.btn.ghost { border: 1.5px solid var(--line); color: var(--fg); background: var(--surface); }
.seal { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-top: 10px; font-size: 0.85rem; color: var(--muted); }
.seal img { display: block; height: 46px; width: auto; background: #fff; padding: 8px 10px; border-radius: 4px; border: 1px solid var(--line); }
.about .seal img { height: 56px; }

/* Energieklassen-Skala */
.scale { background: var(--surface); border: 1px solid var(--line); border-radius: 6px; padding: 22px 22px 18px; min-width: 0; margin: 0; }
.scale-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 14px; gap: 8px; flex-wrap: wrap; }
.scale-head b { font-family: var(--font-display); font-stretch: 85%; font-size: 1.1rem; }
.scale-head small { font-family: var(--font-mono); font-size: 0.72rem; color: var(--muted); }
.rows { display: grid; gap: 5px; }
.row { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 10px; }
.bar { height: 30px; display: flex; align-items: center; padding-left: 10px; color: #fff; font-family: var(--font-display); font-weight: 800; font-size: 1rem; clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 50%, calc(100% - 12px) 100%, 0 100%); }
.row .kwh { font-family: var(--font-mono); font-size: 0.75rem; color: var(--muted); font-variant-numeric: tabular-nums; min-width: 4.5em; text-align: right; }
.tag { font-family: var(--font-mono); font-size: 0.72rem; font-weight: 500; padding: 2px 7px; border-radius: 3px; margin-left: 10px; white-space: nowrap; }
.tag.now { background: var(--fg); color: var(--bg); }
.tag.goal { background: var(--accent); color: var(--accent-ink); }
.scale-foot { margin-top: 14px; font-size: 0.85rem; color: var(--muted); }

/* Abschnitte */
section.block { padding-block: 68px; border-top: 1px solid var(--line); }
.sec-head { display: grid; gap: 10px; margin-bottom: 34px; max-width: 40em; }
.sec-head p { color: var(--muted); }

.services { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 6px; overflow: hidden; }
.service { background: var(--surface); padding: 28px; display: grid; gap: 10px; align-content: start; min-width: 0; }
.service .abbr { font-family: var(--font-mono); font-size: 0.78rem; color: var(--wood); letter-spacing: 0.06em; }
.service p { color: var(--muted); font-size: 0.97rem; }
.more { font-weight: 600; text-decoration: none; margin-top: 4px; }
.more::after { content: " →"; }

.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; list-style: none; padding: 0; margin: 0; counter-reset: s; }
.steps li { counter-increment: s; display: grid; gap: 8px; align-content: start; border-top: 3px solid var(--accent); padding-top: 16px; min-width: 0; }
.steps li::before { content: "Schritt " counter(s); font-family: var(--font-mono); font-size: 0.75rem; color: var(--muted); letter-spacing: 0.08em; text-transform: uppercase; }
.steps p { color: var(--muted); font-size: 0.95rem; }

.about { display: grid; grid-template-columns: 300px 1fr; gap: 48px; align-items: start; }
.photo { aspect-ratio: 4 / 5; max-width: 100%; border-radius: 6px; background: repeating-linear-gradient(135deg, var(--surface) 0 12px, var(--bg) 12px 24px); border: 1px dashed var(--ph-line); display: grid; place-items: center; text-align: center; color: var(--muted); font-size: 0.9rem; padding: 20px; }
.about .text { display: grid; gap: 18px; min-width: 0; }
.about .text > p { max-width: 36em; }
.timeline { list-style: none; padding: 0; margin: 8px 0 0; display: grid; border-left: 2px solid var(--line); }
.timeline li { padding: 0 0 18px 20px; position: relative; }
.timeline li::before { content: ""; position: absolute; left: -7px; top: 7px; width: 12px; height: 12px; border-radius: 50%; background: var(--bg); border: 2px solid var(--wood); }
.timeline li:first-child::before { background: var(--accent); border-color: var(--accent); }
.timeline b { display: block; font-weight: 600; }
.timeline span { color: var(--muted); font-size: 0.93rem; }

.places { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 4px; }
.places span { font-family: var(--font-mono); font-size: 0.8rem; border: 1px solid var(--line); background: var(--surface); padding: 4px 10px; border-radius: 999px; color: var(--fg); }

.contact { background: var(--accent); color: var(--accent-ink); border-radius: 8px; padding: 44px; display: grid; grid-template-columns: 1.2fr 1fr; gap: 36px; align-items: center; }
.contact h2 { color: var(--accent-ink); }
.contact p { opacity: 0.92; margin-top: 12px; }
.contact dl { margin: 0; display: grid; gap: 14px; }
.contact dt { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; opacity: 0.85; }
.contact dd { margin: 2px 0 0; font-size: 1.15rem; font-weight: 600; word-break: break-word; }
.contact a { color: var(--accent-ink); }

/* Unterseiten */
.page-hero .wrap { padding-block: 52px 40px; display: grid; gap: 18px; }
.crumbs { font-size: 0.85rem; color: var(--muted); }
.crumbs a { color: var(--muted); }
.prose { max-width: 42em; display: grid; gap: 18px; }
.prose h2 { margin-top: 26px; }
.prose ul { margin: 0; padding-left: 1.2em; display: grid; gap: 8px; }
.prose li::marker { color: var(--wood); }
.content { padding-block: 8px 64px; }
.split { display: grid; grid-template-columns: 1fr 300px; gap: 48px; align-items: start; }
.aside { background: var(--surface); border: 1px solid var(--line); border-radius: 6px; padding: 24px; display: grid; gap: 12px; position: sticky; top: calc(env(safe-area-inset-top, 0px) + 20px); }
.aside h3 { font-size: 1.1rem; }
.aside p { color: var(--muted); font-size: 0.95rem; }
.note { border-left: 3px solid var(--wood); padding: 4px 0 4px 16px; color: var(--muted); font-size: 0.95rem; }

.faq { display: grid; gap: 0; max-width: 46em; border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; padding: 20px 36px 20px 0; font-family: var(--font-display); font-stretch: 85%; font-weight: 700; font-size: 1.2rem; list-style: none; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: 16px; font-size: 1.5rem; color: var(--wood); font-family: var(--font-mono); }
.faq details[open] summary::after { content: "–"; }
.faq .answer { padding: 0 0 22px; display: grid; gap: 12px; color: var(--fg); }

.draft { background: var(--ph); border: 1px dashed var(--ph-line); border-radius: 6px; padding: 18px 20px; font-size: 0.95rem; }

footer { padding-block: 36px 44px; color: var(--muted); font-size: 0.9rem; border-top: 1px solid var(--line); }
footer .wrap { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
footer a { color: var(--muted); }
footer nav { display: flex; gap: 6px 18px; flex-wrap: wrap; }

@media (max-width: 860px) {
  .hero .wrap { grid-template-columns: 1fr; gap: 40px; padding-block: 40px 52px; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .about, .split { grid-template-columns: 1fr; }
  .aside { position: static; }
  .photo { max-width: 260px; }
  .contact { grid-template-columns: 1fr; padding: 32px 24px; }
}
@media (max-width: 560px) {
  body { font-size: 16px; }
  .services, .steps { grid-template-columns: 1fr; }
  section.block { padding-block: 52px; }
}

/* Energieklassen-Streifen für schmale Bildschirme */
.strip { display: none; }
@media (max-width: 860px) {
  .hero .scale { display: none; }
  .strip { display: grid; gap: 8px; }
  .strip-bar { display: grid; grid-template-columns: repeat(9, 1fr); gap: 3px; padding-top: 22px; }
  .seg { position: relative; display: grid; place-items: center; height: 34px; color: #fff; font-family: var(--font-display); font-weight: 800; font-size: 0.95rem; border-radius: 2px; }
  .seg.now, .seg.goal { outline: 2.5px solid var(--fg); outline-offset: 1px; z-index: 1; }
  .seg.goal { outline-color: var(--accent); }
  .seg.now::before, .seg.goal::before { position: absolute; bottom: calc(100% + 5px); left: 50%; transform: translateX(-50%); font-family: var(--font-mono); font-size: 0.68rem; font-weight: 500; padding: 1px 6px; border-radius: 3px; white-space: nowrap; }
  .seg.now::before { content: "heute"; background: var(--fg); color: var(--bg); }
  .seg.goal::before { content: "Ziel"; background: var(--accent); color: var(--accent-ink); }
  .strip-cap { font-size: 0.85rem; color: var(--muted); }
}

/* Hinweis-Band Startseite */
.news .wrap { padding-block: 0 8px; }
.news-box { display: grid; grid-template-columns: auto 1fr auto; gap: 8px 20px; align-items: center; background: var(--surface); border: 1px solid var(--line); border-left: 4px solid var(--wood); border-radius: 6px; padding: 18px 22px; margin-bottom: 52px; }
.news-box p { color: var(--fg); }
.news-box .more { white-space: nowrap; margin: 0; }
@media (max-width: 860px) { .news-box { grid-template-columns: 1fr; } }

/* Tabellen */
.table-wrap { overflow-x: auto; }
.steps-table { border-collapse: collapse; width: 100%; max-width: 32em; font-variant-numeric: tabular-nums; }
.steps-table th, .steps-table td { text-align: left; padding: 9px 14px 9px 0; border-bottom: 1px solid var(--line); }
.steps-table th { font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); font-weight: 500; }
.steps-table td:first-child { font-family: var(--font-mono); width: 5em; }

/* Lange deutsche Wörter umbrechen statt die Seite zu verbreitern */
h1, h2, h3 { overflow-wrap: break-word; }
@media (max-width: 560px) { h1, h2, h3 { hyphens: auto; -webkit-hyphens: auto; } }
.prose, .split > * { min-width: 0; }
@media (max-width: 560px) { h1 { font-size: 2rem; } h2 { font-size: 1.5rem; } }

/* Portrait */
.portrait { display: block; width: 100%; height: auto; max-width: 100%; aspect-ratio: 4 / 5; object-fit: cover; border-radius: 6px; }
@media (max-width: 860px) { .portrait { max-width: 260px; } }

/* Organische Bildform und Autorenzeile */
.portrait, .byline img { border-radius: 58% 42% 54% 46% / 47% 55% 45% 53%; }
.byline { display: flex; align-items: center; gap: 14px; }
.byline img { width: 68px; height: 68px; object-fit: cover; object-position: 50% 20%; flex: none; }
.byline b { display: block; font-family: var(--font-display); font-stretch: 85%; font-size: 1.1rem; }
.byline span { color: var(--muted); font-size: 0.92rem; }

.service.wide { grid-column: 1 / -1; }