/* ==========================================================================
   ARGOSENS – Stil "Messinstrument, modern" (Entwurf A, 01.10.2026)
   Farben, Schrift und Abstaende als Variablen – hier zentral aendern.
   ========================================================================== */
:root {
  --blau: #1f4fd6;
  --blau-dunkel: #163a9e;
  --blau-hell: #e7edfb;
  --gruen: #0e8a5f;
  --orange: #ffb35c;
  --tinte: #0e1a2b;
  --text: #3a4a60;
  --text-leise: #4a5a70;
  --grund: #f3f5f7;
  --weiss: #ffffff;
  --linie: #dde3ea;
  --linie-stark: #b9c4d1;
  --nacht: #0b1628;
  --radius: 16px;
  --breite: 1120px;
  --sans: 'IBM Plex Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, 'Cascadia Mono', Consolas, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--grund);
  color: var(--tinte);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
}
html { overflow-x: hidden; }
@supports (overflow: clip) { html { overflow-x: clip; } }
img { max-width: 100%; display: block; }
a { color: var(--blau); }
a:hover { color: var(--blau-dunkel); }
h1, h2, h3 { margin: 0; line-height: 1.12; letter-spacing: -0.4px; }
p { margin: 0; }
:focus-visible { outline: 3px solid var(--blau); outline-offset: 3px; border-radius: 4px; }

.wrap { max-width: var(--breite); margin: 0 auto; padding: 0 32px; }
.kicker { font-family: var(--mono); font-size: 13px; letter-spacing: 2px; color: var(--text-leise); text-transform: uppercase; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- Knoepfe ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font: inherit; font-weight: 600; font-size: 16px; text-decoration: none; cursor: pointer;
  padding: 15px 26px; border-radius: 10px; border: 1px solid transparent; min-height: 48px;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease, color .2s ease;
}
.btn-blau { background: var(--blau); color: var(--weiss); }
.btn-blau:hover { color: var(--weiss); transform: translateY(-2px); box-shadow: 0 10px 24px -8px rgba(31,79,214,.55); }
.btn-rand { border-color: var(--linie-stark); color: var(--tinte); background: transparent; font-weight: 500; }
.btn-rand:hover { color: var(--tinte); background: var(--weiss); border-color: var(--tinte); }
.btn[disabled] { opacity: .6; cursor: progress; transform: none; box-shadow: none; }

/* ---------- Kopf ---------- */
.kopf {
  position: sticky; top: 0; z-index: 20;
  background: rgba(255,255,255,.84); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--linie);
}
.kopf .wrap { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-top: 14px; padding-bottom: 14px; }
.marke { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--tinte); }
.marke span { font-weight: 700; font-size: 21px; letter-spacing: 3px; }
.marke:hover { color: var(--tinte); }
.nav { display: flex; align-items: center; gap: 28px; font-size: 15px; font-weight: 500; }
.nav a.nl { position: relative; color: var(--tinte); text-decoration: none; padding: 4px 0; }
.nav a.nl::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -2px; height: 2px; background: var(--blau); transition: right .25s ease; }
.nav a.nl:hover::after { right: 0; }
.nav .btn { padding: 9px 16px; min-height: 40px; font-size: 15px; }

/* ---------- Held ---------- */
.held { position: relative; overflow: hidden; }
@supports (overflow: clip) { .held { overflow: clip; overflow-clip-margin: 0; } }
.held .wrap { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 56px; align-items: center; padding-top: 84px; padding-bottom: 64px; }
.held-glanz {
  position: absolute; right: -60px; top: 20px; width: 560px; height: 560px; border-radius: 50%; pointer-events: none;
  background: radial-gradient(circle, rgba(31,79,214,.16) 0%, rgba(31,79,214,0) 68%);
  animation: glanz 7s ease-in-out infinite alternate;
}
@keyframes glanz { from { transform: translate(-20px, 0) scale(1); } to { transform: translate(30px, 20px) scale(1.15); } }
.held-text { display: flex; flex-direction: column; gap: 24px; position: relative; }
.plakette {
  align-self: flex-start; display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--mono); font-size: 12.5px; letter-spacing: 1.5px; color: var(--blau);
  background: var(--blau-hell); padding: 6px 12px; border-radius: 20px;
}
.plakette i { width: 8px; height: 8px; border-radius: 50%; background: var(--blau); animation: puls 2s ease-in-out infinite; }
@keyframes puls { 50% { opacity: .35; } }
.held h1 { font-size: clamp(36px, 5vw, 56px); font-weight: 700; letter-spacing: -1px; line-height: 1.06; }
.held h1 em { font-style: normal; color: var(--blau); }
.held .lead { font-size: 19px; color: var(--text); }
.knopfreihe { display: flex; gap: 14px; flex-wrap: wrap; }

/* drehende Produktansicht (Platzhalter bis das 3D-Modell da ist) */
.buehne { position: relative; height: 420px; perspective: 900px; display: flex; align-items: center; justify-content: center; }
.buehne-schatten { position: absolute; bottom: 44px; width: 260px; height: 26px; border-radius: 50%; background: radial-gradient(ellipse, rgba(14,26,43,.22) 0%, rgba(14,26,43,0) 70%); }
.dreh { position: relative; width: 170px; height: 230px; transform-style: preserve-3d; animation: dreh 9s linear infinite; }
.buehne:hover .dreh { animation-play-state: paused; }
@keyframes dreh { from { transform: rotateX(-14deg) rotateY(0deg); } to { transform: rotateX(-14deg) rotateY(360deg); } }
.dreh > div { position: absolute; border-radius: 18px; border: 1px solid #c9d3df; }
.dreh .vorne { inset: 0; transform: translateZ(45px); background: linear-gradient(160deg, #ffffff 0%, #dfe6ef 100%); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px; }
.dreh .hinten { inset: 0; transform: rotateY(180deg) translateZ(45px); background: linear-gradient(160deg, #e9eef5 0%, #cfd8e4 100%); display: flex; align-items: flex-end; justify-content: center; padding-bottom: 22px; font-family: var(--mono); font-size: 11px; letter-spacing: 3px; color: #6a7a90; }
.dreh .seite { top: 0; left: 40px; width: 90px; height: 230px; border-radius: 10px; }
.dreh .rechts { transform: rotateY(90deg) translateZ(85px); background: repeating-linear-gradient(180deg, #c3cedc 0 10px, #b7c3d3 10px 12px); }
.dreh .links { transform: rotateY(-90deg) translateZ(85px); background: linear-gradient(180deg, #dbe3ec, #c9d3df); }
.dreh .vorne::after { content: ""; position: absolute; inset: 0; border-radius: 18px; background: linear-gradient(115deg, rgba(255,255,255,.7) 0%, rgba(255,255,255,0) 40%); pointer-events: none; }
.dreh .auge { width: 54px; height: 54px; border-radius: 50%; border: 3px solid var(--blau); display: flex; align-items: center; justify-content: center; }
.dreh .auge i { width: 14px; height: 14px; border-radius: 50%; background: var(--gruen); box-shadow: 0 0 12px rgba(14,138,95,.7); }
.dreh .typ { font-family: var(--mono); font-weight: 500; letter-spacing: 2px; font-size: 14px; }
.buehne-hinweis { position: absolute; bottom: 0; left: 0; right: 0; text-align: center; font-family: var(--mono); font-size: 12px; color: #6a7a90; }

/* ---------- Leckage ---------- */
.leck { background: radial-gradient(120% 90% at 70% 40%, #14284a 0%, var(--nacht) 55%, #070e1a 100%); color: var(--weiss); }
.leck .wrap { max-width: 1180px; display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 48px; align-items: center; padding-top: 88px; padding-bottom: 88px; }
.leck-text { display: flex; flex-direction: column; gap: 20px; }
.leck .kicker { color: #8fb4ff; }
.leck h2 { font-size: clamp(30px, 3.4vw, 40px); }
.leck p { color: #c3cfe0; }
.regler { display: flex; flex-direction: column; gap: 10px; font-size: 15px; color: #dfe7f3; }
.regler span.zeile { display: flex; justify-content: space-between; }
.regler strong { font-family: var(--mono); font-weight: 500; }
input.rg { -webkit-appearance: none; appearance: none; width: 100%; height: 6px; border-radius: 6px; background: linear-gradient(90deg, #3f6fe8, var(--orange)); outline-offset: 6px; margin: 8px 0; }
input.rg::-webkit-slider-thumb { -webkit-appearance: none; width: 24px; height: 24px; border-radius: 50%; background: var(--weiss); box-shadow: 0 0 0 4px rgba(143,180,255,.35), 0 4px 12px rgba(0,0,0,.4); cursor: pointer; transition: box-shadow .2s; }
input.rg::-webkit-slider-thumb:hover { box-shadow: 0 0 0 7px rgba(143,180,255,.35), 0 4px 12px rgba(0,0,0,.4); }
input.rg::-moz-range-thumb { width: 24px; height: 24px; border: 0; border-radius: 50%; background: var(--weiss); box-shadow: 0 0 0 4px rgba(143,180,255,.35); cursor: pointer; }
.zahlen { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-top: 4px; }
.zahl { background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.1); border-radius: 14px; padding: 16px 18px; }
.zahl small { display: block; font-family: var(--mono); font-size: 11.5px; letter-spacing: 1px; color: #8fb4ff; }
.zahl b { display: block; font-size: 34px; font-weight: 700; margin-top: 4px; font-variant-numeric: tabular-nums; }
.zahl.warm b { color: var(--orange); }
.leck .fuss { font-size: 12.5px; color: #8b9fbe; line-height: 1.5; }
.leinwand { position: relative; border-radius: 22px; overflow: hidden; background: linear-gradient(180deg, rgba(255,255,255,.05) 0%, rgba(255,255,255,.01) 100%); border: 1px solid rgba(255,255,255,.1); box-shadow: 0 40px 80px -40px rgba(0,0,0,.8), inset 0 1px 0 rgba(255,255,255,.08); }
.leinwand canvas { display: block; width: 100%; height: auto; aspect-ratio: 7 / 4; }
.leinwand .chips { position: absolute; top: 16px; left: 16px; right: 16px; display: flex; justify-content: space-between; gap: 10px; flex-wrap: wrap; pointer-events: none; }
.chip { font-family: var(--mono); font-size: 11.5px; letter-spacing: 1px; background: rgba(7,14,26,.6); border: 1px solid rgba(255,255,255,.18); border-radius: 20px; padding: 5px 12px; backdrop-filter: blur(6px); color: #dfe7f3; transition: color .3s, border-color .3s; }
.chip.warn { color: var(--orange); border-color: var(--orange); }
.chip.gut { color: #4fd1a0; border-color: #4fd1a0; }
.leinwand .umschalter { position: absolute; bottom: 14px; right: 14px; font: inherit; font-size: 14px; font-weight: 500; background: rgba(255,255,255,.08); color: var(--weiss); border: 1px solid rgba(255,255,255,.22); border-radius: 22px; padding: 10px 16px; min-height: 44px; cursor: pointer; backdrop-filter: blur(6px); transition: background .2s, transform .2s; }
.leinwand .umschalter:hover { background: rgba(255,255,255,.18); transform: translateY(-1px); }

/* ---------- Karten ---------- */
.abschnitt { padding: 80px 0; }
.abschnitt.weiss { background: var(--weiss); border-top: 1px solid var(--linie); border-bottom: 1px solid var(--linie); }
.kopfzeile { display: flex; flex-direction: column; gap: 10px; max-width: 640px; margin-bottom: 36px; }
.kopfzeile h2 { font-size: clamp(28px, 3.2vw, 38px); }
.kopfzeile.zwei { max-width: none; flex-direction: row; justify-content: space-between; align-items: end; gap: 24px; flex-wrap: wrap; }
.raster { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.karte {
  background: var(--weiss); border: 1px solid var(--linie); border-radius: var(--radius); padding: 28px;
  display: flex; flex-direction: column; gap: 12px;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.karte:hover { transform: translateY(-6px); box-shadow: 0 18px 40px -18px rgba(14,26,43,.35); border-color: var(--blau); }
.karte .nr { width: 40px; height: 40px; border-radius: 10px; background: var(--blau-hell); color: var(--blau); display: flex; align-items: center; justify-content: center; font-family: var(--mono); font-weight: 500; transition: background .25s, color .25s; }
.karte:hover .nr { background: var(--blau); color: var(--weiss); }
.karte h3 { font-size: 21px; }
.karte p { color: var(--text); }
.abschnitt.weiss .karte { background: #f8fafc; padding: 22px; }
.produktbild { height: 150px; border-radius: 12px; background: #eef2f6; border: 1px dashed var(--linie-stark); display: flex; align-items: center; justify-content: center; color: #6a7a90; font-size: 14px; text-align: center; padding: 10px; }
.preis { color: var(--text-leise); font-size: 14px; }

/* ---------- Warteliste ---------- */
.warte .wrap { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 56px; align-items: start; }
.warte-text { display: flex; flex-direction: column; gap: 16px; }
.warte-text h2 { font-size: clamp(28px, 3.2vw, 38px); }
.warte-text p { font-size: 18px; color: var(--text); }
.formular { background: var(--weiss); border: 1px solid var(--linie); border-radius: 18px; padding: 28px; display: flex; flex-direction: column; gap: 16px; box-shadow: 0 20px 50px -30px rgba(14,26,43,.35); }
.feld { display: flex; flex-direction: column; gap: 6px; font-weight: 500; font-size: 15px; }
.feld input { font: inherit; font-weight: 400; padding: 13px 14px; border: 1px solid var(--linie-stark); border-radius: 10px; background: var(--weiss); color: var(--tinte); transition: border-color .2s, box-shadow .2s; }
.feld input:focus { outline: none; border-color: var(--blau); box-shadow: 0 0 0 4px rgba(31,79,214,.15); }
.haken { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; color: var(--text); line-height: 1.5; }
.haken input { margin-top: 3px; width: 18px; height: 18px; flex: none; accent-color: var(--blau); }
.honig { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.meldung { border-radius: 10px; padding: 12px 14px; font-size: 15px; display: none; }
.meldung.gut { display: block; background: #e8f6f0; color: #0b5e41; border: 1px solid #a9dcc6; }
.meldung.schlecht { display: block; background: #fdecec; color: #8a1f1f; border: 1px solid #f1b9b9; }

/* ---------- Fuss ---------- */
.fuss-seite { border-top: 1px solid var(--linie); background: var(--weiss); font-size: 14px; color: var(--text-leise); }
.fuss-seite .wrap { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding-top: 28px; padding-bottom: 28px; }
.fuss-seite nav { display: flex; gap: 20px; }

/* ---------- Rechtstexte / einfache Seiten ---------- */
.text-seite { max-width: 760px; margin: 0 auto; padding: 64px 32px 88px; }
.text-seite h1 { font-size: 40px; margin-bottom: 28px; }
.text-seite h2 { font-size: 20px; margin: 32px 0 8px; letter-spacing: 0; }
.text-seite p, .text-seite li { color: var(--text); }
.text-seite p + p { margin-top: 10px; }
.platzhalter { background: #fff4d6; color: #6b4e00; padding: 1px 6px; border-radius: 4px; font-size: .95em; }
.status-seite { min-height: 60vh; display: flex; align-items: center; }
.status-seite .wrap { max-width: 640px; display: flex; flex-direction: column; gap: 18px; padding-top: 80px; padding-bottom: 80px; }
.status-seite h1 { font-size: 38px; }

/* ---------- Einblenden beim Scrollen ---------- */
.rv { opacity: 0; transform: translateY(36px); transition: opacity .8s ease, transform .8s cubic-bezier(.2,.7,.2,1); }
.rv.da { opacity: 1; transform: none; }
.no-js .rv { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .held-glanz, .dreh, .plakette i { animation: none !important; }
  .rv { opacity: 1; transform: none; transition: none; }
  .btn, .karte { transition: none; }
}

/* ---------- Handy und Tablet ---------- */
@media (max-width: 900px) {
  .wrap { padding: 0 20px; }
  .held .wrap, .leck .wrap, .warte .wrap { grid-template-columns: minmax(0, 1fr); gap: 36px; }
  .held .wrap { padding-top: 48px; }
  .buehne { height: 320px; }
  .raster { grid-template-columns: minmax(0, 1fr); }
  .nav a.nl { display: none; }
  .leck .wrap { padding-top: 64px; padding-bottom: 64px; }
  .abschnitt { padding: 60px 0; }
}
@media (max-width: 640px) {
  .leinwand { display: flex; flex-direction: column; }
  .leinwand .chips { position: static; padding: 12px 12px 0; justify-content: flex-start; }
  .leinwand .umschalter { position: static; align-self: flex-start; margin: 10px 12px 14px; }
  .buehne { height: 280px; }
}
@media (max-width: 420px) {
  .marke span { font-size: 18px; letter-spacing: 2px; }
  .zahl b { font-size: 28px; }
  .formular { padding: 20px; }
}

/* ==========================================================================
   Zubehoer-Seite (02.10.2026)
   ========================================================================== */
.seitenkopf { position: relative; overflow: hidden; }
.seitenkopf .wrap { padding-top: 72px; padding-bottom: 40px; display: flex; flex-direction: column; gap: 18px; max-width: var(--breite); }
.seitenkopf h1 { font-size: clamp(34px, 4.4vw, 52px); max-width: 820px; text-wrap: balance; }
.seitenkopf .lead { font-size: 19px; color: var(--text); max-width: 700px; }

/* Gasweg: die Kategorien entlang des Gasflusses */
.gasweg { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 0; margin-top: 18px; position: relative; }
.gasweg::before { content: ""; position: absolute; left: 10%; right: 10%; top: 31px; height: 4px; border-radius: 4px;
  background: linear-gradient(90deg, #6fc04a 0%, var(--blau) 35%, var(--blau) 70%, #8fb4ff 100%); opacity: .35; }
.gasweg::after { content: ""; position: absolute; left: 10%; top: 29px; width: 22px; height: 8px; border-radius: 8px; background: var(--blau);
  box-shadow: 0 0 14px rgba(31,79,214,.6); animation: gasfluss 4.5s cubic-bezier(.45,.05,.55,.95) infinite; }
@keyframes gasfluss { 0% { left: 10%; opacity: 0; } 8% { opacity: 1; } 92% { opacity: 1; } 100% { left: calc(90% - 22px); opacity: 0; } }
.station { position: relative; z-index: 1; display: flex; flex-direction: column; align-items: center; gap: 10px; padding: 0 6px; text-align: center;
  font: inherit; background: none; border: 0; cursor: pointer; color: var(--tinte); }
.station .knoten { width: 66px; height: 66px; border-radius: 50%; background: var(--weiss); border: 2px solid var(--linie);
  display: flex; align-items: center; justify-content: center; transition: border-color .25s, transform .25s, box-shadow .25s; }
.station .knoten svg { width: 34px; height: 34px; }
.station b { font-size: 15px; font-weight: 600; }
.station small { font-family: var(--mono); font-size: 11.5px; color: var(--text-leise); letter-spacing: .5px; }
.station:hover .knoten, .station.an .knoten { border-color: var(--blau); transform: translateY(-3px); box-shadow: 0 10px 22px -10px rgba(31,79,214,.55); }
.station.an b { color: var(--blau); }

/* Filter */
.filterleiste { display: flex; gap: 8px; flex-wrap: wrap; margin: 8px 0 26px; }
.filter { font: inherit; font-size: 14px; font-weight: 500; padding: 9px 16px; min-height: 40px; border-radius: 22px; border: 1px solid var(--linie-stark);
  background: var(--weiss); color: var(--tinte); cursor: pointer; transition: background .2s, color .2s, border-color .2s; }
.filter:hover { border-color: var(--tinte); }
.filter[aria-pressed="true"] { background: var(--tinte); color: var(--weiss); border-color: var(--tinte); }
.filter span { font-family: var(--mono); font-size: 12px; opacity: .7; margin-left: 4px; }

/* Produktkarten */
.katalog { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.artikel { background: var(--weiss); border: 1px solid var(--linie); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease, opacity .25s ease; }
.artikel:hover { transform: translateY(-6px); box-shadow: 0 18px 40px -18px rgba(14,26,43,.35); border-color: var(--blau); }
.artikel[hidden] { display: none !important; }
.artikel .bild { height: 170px; background: radial-gradient(120% 100% at 50% 0%, #ffffff 0%, #e9eef5 70%); border-bottom: 1px solid var(--linie);
  display: flex; align-items: center; justify-content: center; position: relative; perspective: 600px; }
.artikel .bild svg { width: 110px; height: 110px; transition: transform .6s cubic-bezier(.2,.7,.2,1); }
.artikel:hover .bild svg { transform: rotateY(25deg) scale(1.06); }
.artikel .bild .hinweis3d { position: absolute; bottom: 8px; right: 10px; font-family: var(--mono); font-size: 10.5px; color: #7d8ca3; }
.artikel .rumpf { padding: 20px 22px 22px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.artikel .ort { font-family: var(--mono); font-size: 11.5px; letter-spacing: 1.2px; color: var(--text-leise); text-transform: uppercase; }
.artikel h3 { font-size: 20px; }
.artikel ul { margin: 0; padding-left: 18px; color: var(--text); font-size: 15px; display: flex; flex-direction: column; gap: 4px; }
.artikel .fuss { margin-top: auto; padding-top: 12px; display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; border-top: 1px solid var(--linie); }
.norm { font-family: var(--mono); font-size: 11.5px; background: var(--blau-hell); color: var(--blau); padding: 4px 10px; border-radius: 20px; }
.artikel .preis { font-size: 14px; color: var(--text-leise); }
.artikel .btn { padding: 9px 14px; min-height: 40px; font-size: 14px; }
.leer-hinweis { color: var(--text-leise); }

/* Leck-Check in drei Schritten */
.check { background: var(--nacht); color: var(--weiss); border-radius: 22px; padding: 40px; display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: 40px; }
.check h2 { font-size: clamp(26px, 3vw, 34px); }
.check p { color: #c3cfe0; }
.check .kicker { color: #8fb4ff; }
.schritte { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; counter-reset: s; }
.schritte li { background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.1); border-radius: 14px; padding: 18px; display: flex; flex-direction: column; gap: 8px; counter-increment: s; }
.schritte li::before { content: counter(s); font-family: var(--mono); font-size: 13px; width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; background: var(--blau); color: var(--weiss); }
.schritte b { font-size: 16px; }
.schritte span { color: #c3cfe0; font-size: 14.5px; line-height: 1.55; }
.check .fuss { font-size: 12.5px; color: #8b9fbe; grid-column: 1 / -1; }

.versprechen { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.versprechen div { display: flex; gap: 14px; align-items: flex-start; }
.versprechen svg { flex: none; width: 28px; height: 28px; }
.versprechen b { display: block; font-size: 16px; }
.versprechen span { color: var(--text); font-size: 15px; }

@media (prefers-reduced-motion: reduce) { .gasweg::after { animation: none; display: none; } .artikel .bild svg { transition: none; } }
@media (max-width: 900px) {
  .katalog, .versprechen { grid-template-columns: minmax(0, 1fr); }
  .check { grid-template-columns: minmax(0, 1fr); padding: 28px 22px; }
  .schritte { grid-template-columns: minmax(0, 1fr); }
  .gasweg { grid-template-columns: repeat(5, minmax(0, 1fr)); }
  .station .knoten { width: 50px; height: 50px; } .station .knoten svg { width: 26px; height: 26px; }
  .gasweg::before, .gasweg::after { top: 23px; }
  .station small { display: none; } .station b { font-size: 12.5px; }
}
@media (min-width: 640px) and (max-width: 900px) { .katalog { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

/* Kopf: Zubehoer immer sichtbar (03.10.2026) */
.nav { gap: 22px; }
.nav .nav-shop { box-shadow: 0 6px 18px -8px rgba(31,79,214,.6); }
.nav .nav-shop[aria-current="page"] { background: var(--tinte); }
.textlink { align-self: center; color: var(--tinte); font-weight: 500; text-decoration: none; border-bottom: 1px solid var(--linie-stark); padding-bottom: 2px; transition: border-color .2s, color .2s; }
.textlink:hover { color: var(--blau); border-color: var(--blau); }
@media (max-width: 900px) { .nav { gap: 8px; } .nav .btn { padding: 8px 12px; } }
@media (max-width: 420px) { .nav .nav-warte { display: none; } }

/* --- Partnerlinks auf zubehoer.html (03.10.2026) --- */
.werbehinweis { margin: 0 0 18px; padding: 12px 16px; background: var(--weiss); border: 1px solid var(--linie); border-left: 4px solid var(--blau); border-radius: 10px; font-size: 14.5px; color: var(--text-leise); max-width: 900px; }
.werbehinweis b { color: var(--text); }
.angebote { list-style: none; margin: 4px 0 0 !important; padding: 0 !important; display: flex; flex-direction: column; gap: 10px !important; }
.angebote li { display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 6px 12px; align-items: baseline; padding: 12px; background: #f6f8fb; border: 1px solid var(--linie); border-radius: 10px; }
.an-name { font-size: 14.5px; font-weight: 600; color: var(--text); }
.an-preis { font-family: var(--mono); font-size: 13.5px; color: var(--text); white-space: nowrap; }
.an-knopf { grid-column: 1 / -1; display: inline-flex; align-items: center; justify-content: space-between; gap: 10px; min-height: 40px; padding: 8px 12px; border-radius: 8px; background: var(--blau); color: #fff; font-size: 14px; font-weight: 600; text-decoration: none; transition: background .2s, transform .2s; }
.an-knopf:hover, .an-knopf:focus-visible { background: #173fb0; transform: translateY(-1px); }
.an-knopf::after { content: "↗"; order: 3; }
.an-knopf .werbung { order: 2; margin-left: auto; font-family: var(--mono); font-size: 10.5px; font-weight: 500; letter-spacing: .6px; text-transform: uppercase; background: rgba(255,255,255,.18); padding: 2px 7px; border-radius: 20px; }
/* kompakte Produktlisten (viele Varianten, z. B. Gasdüsen je Brennersystem) */
.an-hinweis { margin: 2px 0 0; font-size: 14px; color: var(--text-leise); background: var(--blau-hell); border-radius: 8px; padding: 9px 12px; }
.angebote.kompakt { gap: 0 !important; border: 1px solid var(--linie); border-radius: 10px; overflow: hidden; background: #f6f8fb; }
.angebote.kompakt li { border: 0; border-radius: 0; background: transparent; border-top: 1px solid var(--linie); padding: 9px 12px; gap: 4px 12px; }
.angebote.kompakt li:first-child { border-top: 0; }
.angebote.kompakt .an-name { font-size: 14px; }
.angebote.kompakt .an-knopf { min-height: 32px; padding: 4px 10px; font-size: 13px; background: transparent; color: var(--blau); border: 1px solid #c9d5f3; justify-content: flex-start; }
.angebote.kompakt .an-knopf:hover, .angebote.kompakt .an-knopf:focus-visible { background: var(--blau); color: #fff; border-color: var(--blau); }
.angebote.kompakt .an-knopf .werbung { background: var(--blau-hell); color: var(--blau); }
.angebote.kompakt .an-knopf:hover .werbung { background: rgba(255,255,255,.18); color: #fff; }
.an-mehr summary { cursor: pointer; font-size: 14px; font-weight: 600; color: var(--blau); padding: 6px 2px; list-style: none; }
.an-mehr summary::-webkit-details-marker { display: none; }
.an-mehr summary::before { content: "+ "; font-family: var(--mono); }
.an-mehr[open] summary::before { content: "− "; }
.an-mehr[open] summary { margin-bottom: 6px; }

/* --- Wegweiser im Startbereich (05.10.2026) --- */
.wegweiser { position: relative; display: flex; flex-direction: column; gap: 10px; background: var(--weiss); border: 1px solid var(--linie); border-radius: var(--radius); padding: 22px 22px 18px; box-shadow: 0 24px 50px -30px rgba(14,26,43,.35); }
.ww-kopf { font-family: var(--mono); font-size: 12px; letter-spacing: 1.2px; text-transform: uppercase; color: var(--text-leise); margin-bottom: 4px; }
.wegweiser::before { content: ""; position: absolute; left: 39px; top: 70px; bottom: 44px; width: 2px; background: linear-gradient(var(--blau), var(--gruen)); opacity: .35; }
.wegweiser a { position: relative; display: grid; grid-template-columns: 36px minmax(0,1fr) auto; align-items: center; gap: 12px; padding: 10px 12px 10px 0; border-radius: 12px; color: var(--tinte); text-decoration: none; transition: background .2s, transform .2s; }
.wegweiser a:hover, .wegweiser a:focus-visible { background: var(--blau-hell); transform: translateX(4px); }
.wegweiser i { justify-self: center; width: 14px; height: 14px; border-radius: 50%; background: var(--weiss); border: 3px solid var(--blau); position: relative; z-index: 1; }
.wegweiser a:last-child i { border-color: var(--gruen); }
.wegweiser span { display: flex; flex-direction: column; gap: 2px; }
.wegweiser b { font-size: 17px; }
.wegweiser small { font-size: 14px; color: var(--text-leise); }
.wegweiser em { font-style: normal; color: var(--blau); font-weight: 600; padding-right: 4px; }
