@font-face { font-family: 'Rubik'; src: url(/assets/fonts/rubik.woff2) format('woff2'); font-weight: 300 900; font-style: normal; font-display: swap; }
@font-face { font-family: 'Instrument Sans'; src: url(/assets/fonts/instrument-sans.woff2) format('woff2'); font-weight: 400 700; font-style: normal; font-display: swap; }
/* wasserfilterchecker.de – nachgebaut. Schriften und Bilder liegen unter /wp-content/uploads/ (Pfade wie auf der WordPress-Seite). */

:root {
  --petrol: #2da295; --petrol-hell: rgba(45, 162, 149, .17); --blau: #1890ff; --text: #4f4f4f; --schwarz: #000;
  --schrift: 'Instrument Sans', system-ui, sans-serif; --knopf: 'Rubik', system-ui, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 20px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; font-family: var(--schrift); font-size: 17px; line-height: 1.65; color: var(--text); background: #fff; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; }
a { color: var(--blau); }
h1, h2, h3, h4, h5, summary { font-family: var(--knopf); }
h1, h2, h3, h5 { margin: 0; color: var(--schwarz); font-weight: 600; letter-spacing: -.015em; }
p { margin: 0 0 1em; }
.innen { width: 100%; max-width: 1160px; margin: 0 auto; padding: 0 20px; }
.mitte { text-align: center; }

/* Kopf */
.kopf { position: absolute; z-index: 5; top: 0; left: 0; right: 0; }
.kopf-innen { display: flex; align-items: center; justify-content: space-between; max-width: 1160px; height: 76px; margin: 0 auto; padding: 0 20px; }
.logo { display: block; line-height: 0; }
.menue { display: flex; align-items: center; gap: 28px; font-size: 15px; }
.menue a { display: inline-flex; align-items: center; gap: 8px; color: #000; text-decoration: none; padding: 6px 0; }
.menue a:hover { color: var(--blau); }
.plakette { padding: 1px 8px; font-size: 9px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; line-height: 16px; color: var(--blau); background: rgba(24, 144, 255, .14); border-radius: 4px; }
.seite-auswahl .kopf, .seite-danke .kopf, .seite-recht .kopf { position: relative; }

/* Held (Startseite) */
.held { position: relative; padding: 175px 0 80px; text-align: center; overflow: hidden;
  background: radial-gradient(60% 50% at 18% 12%, #c9d9f0 0, transparent 70%), radial-gradient(55% 45% at 85% 20%, #a9d6d3 0, transparent 70%),
    radial-gradient(70% 55% at 50% 60%, #bfe0de 0, transparent 70%), linear-gradient(#eef3f8, #dbeeee 70%, #fff); }
.held-innen { max-width: 1230px; }
.erfahrung { display: inline-flex; align-items: center; gap: 8px; margin: 0 0 28px; font-size: 14px; line-height: 1.4; color: #333; }
.held h1 { margin: 0 auto 26px; max-width: 1180px; font-size: 64px; line-height: 1.2; font-weight: 600; letter-spacing: -.01em; text-transform: uppercase; color: #fff; }
.held h1 span { display: block; width: fit-content; max-width: 100%; margin: 0 auto 4px; padding: 6px 26px 8px; background: rgba(45, 162, 149, .92);
  clip-path: polygon(0 4%, 3% 0, 97% 3%, 100% 0, 99% 96%, 96% 100%, 4% 97%, 0 100%); }
.held h1 span + span { transform: rotate(-.4deg); }
.held p { margin: 0 auto 14px; max-width: 1000px; font-size: 16px; line-height: 1.9; color: #4f4f4f; }
.check { max-width: 1210px; margin: 34px auto 0; padding: 25px; background: #fff; border-radius: 15px; box-shadow: 0 25px 60px rgba(13, 32, 96, .08); }
.held .check { font-size: 18px; }
.check .wf-funnel { --wf-schrift: var(--schrift); }
.check .wf-frage { margin-top: 12px; }

/* Abschnitte */
.titel-gross { margin: 0 0 20px; font-size: 48px; line-height: 1.2; text-align: center; }
.titel-gross.links { text-align: left; }
.intro-gross { max-width: 1000px; margin: 0 auto 50px; text-align: center; font-size: 16px; }
mark { padding: 0 .15em; color: inherit; background: linear-gradient(transparent 55%, rgba(45, 162, 149, .35) 55%); }
.marke { margin: 0 0 10px; font-family: var(--knopf); font-size: 15px; font-weight: 600; color: var(--petrol); }

.warum { padding: 128px 0; background: var(--petrol-hell); }
.methoden { display: grid; grid-template-columns: repeat(3, 1fr); gap: 36px; align-items: start; }
.methoden article { display: flex; flex-direction: column; gap: 18px; padding: 30px; background: rgba(255, 255, 255, .7); border-radius: 15px; }
.methoden img { width: 96px; height: 96px; }
.methoden h3 { margin-bottom: 12px; font-size: 24px; }
.methoden p { font-size: 15px; line-height: 1.75; }

.tipp { padding: 128px 0; }
.tipp-innen { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.tipp .tipp-text p:last-child { font-size: 16px; }
.bereiche { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.bereiche div { display: flex; flex-direction: column; align-items: center; gap: 14px; padding: 28px 20px; text-align: center; background: #fff; border-radius: 15px; box-shadow: 0 10px 40px rgba(13, 32, 96, .08); }
.bereiche div:last-child { grid-column: 1 / -1; }
.bereiche h3 { font-size: 20px; line-height: 1.4; }

.faq { padding: 100px 0 128px; background: var(--petrol-hell); }
.faq-innen { display: grid; grid-template-columns: 5fr 7fr; gap: 60px; align-items: start; }
.faq h5 { margin: 0 0 12px; font-size: 15px; font-weight: 600; color: var(--petrol); }
.faq-kopf h5:nth-of-type(2) { margin-top: 34px; }
.faq-kopf p { font-size: 16px; }
.faq .titel-gross { font-size: 40px; }
details { margin: 0 0 14px; background: #fff; border-radius: 12px; box-shadow: 0 6px 24px rgba(13, 32, 96, .06); }
summary { position: relative; padding: 20px 56px 20px 26px; font-size: 18px; line-height: 1.5; font-weight: 600; color: #000; cursor: pointer; list-style: none; }
summary::-webkit-details-marker { display: none; }
summary::after { content: '+'; position: absolute; right: 24px; top: 50%; margin-top: -14px; font-size: 26px; line-height: 28px; color: var(--petrol); }
details[open] summary::after { content: '–'; }
summary:focus-visible { outline: 3px solid var(--blau); outline-offset: -3px; border-radius: 12px; }
.antwort { padding: 0 26px 12px; font-size: 15px; line-height: 1.8; }

.abschluss { padding: 110px 0; }
.abschluss-innen { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
.abschluss-bild { width: 100%; }
.abschluss p { font-size: 16px; }
.haken { margin: 22px 0 0; padding: 0; list-style: none; display: flex; flex-wrap: wrap; gap: 10px 26px; font-size: 15px; }
.haken li::before { content: '✓'; margin-right: 8px; font-weight: 700; color: var(--petrol); }

/* Knöpfe */
.knopf { display: inline-flex; align-items: center; gap: 8px; padding: 18px 36px; font: 500 15px/1 var(--knopf); color: #fff; text-decoration: none; background: var(--blau); border-radius: 100px; transition: filter .15s; }
.knopf:hover { filter: brightness(1.1); }
.knopf:focus-visible { outline: 3px solid #000; outline-offset: 3px; }
.pille { display: inline-block; margin-top: 4px; padding: 14px 34px; font: 500 13px/1 var(--knopf); color: #fff; background: var(--blau); border-radius: 100px; }

/* Fuß */
.fuss { margin-top: 0; padding: 22px 0; color: #fff; background: var(--petrol); }
.fuss-innen { display: flex; align-items: center; justify-content: space-between; gap: 20px; max-width: 1160px; margin: 0 auto; padding: 0 20px; font-size: 12px; }
.fuss-innen img { display: block; width: 130px; height: auto; }
.fuss p { margin: 0; }
.fuss a { color: #00e5cc; text-decoration: none; }
.fuss a:hover { text-decoration: underline; }

/* ProvenExpert-Siegel (als einfacher Link, ohne Fremdskript) */
.siegel { position: fixed; z-index: 20; right: 0; bottom: 40px; display: grid; justify-items: center; gap: 2px; width: 110px; padding: 10px 8px; font-size: 10px; line-height: 1.3; text-align: center; text-decoration: none; color: #444; background: #fff; border-radius: 10px 0 0 10px; box-shadow: 0 2px 14px rgba(0, 0, 0, .18); }
.siegel strong { font-size: 11px; letter-spacing: .04em; }
.siegel .sterne { font-size: 13px; letter-spacing: 1px; color: #d4a933; }
.siegel:hover { color: #000; }

/* Auswahlseiten (Vorauswahl der Produkte) */
.seite-auswahl { background: linear-gradient(#e0efee, #dfeceb 60%, #e3f0ef); }
.auswahl { padding: 56px 0 30px; }
.auswahl .innen { padding: 0 20px; }
.auswahl-titel { margin: 0 0 20px; font-size: 40px; line-height: 1.2; text-align: center; }
.auswahl-intro { max-width: 1000px; margin: 0 auto 30px; font-size: 15px; line-height: 1.9; text-align: center; }
.karten { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; align-items: start; max-width: 1160px; margin: 0 auto; }
.karte { background: #fafafa; }
.karte a { display: block; color: inherit; text-decoration: none; }
.karte-bild { background: #fcfcfc; }
.karte-bild img { display: block; width: 100%; aspect-ratio: 1; object-fit: contain; }
.karte-inhalt { padding: 22px 22px 26px; text-align: center; }
.karte h2 { margin: 0 0 12px; font-size: 20px; line-height: 1.35; font-weight: 400; }
.karte p { margin: 0 0 14px; font-size: 14px; line-height: 1.8; }
.karte a:hover .pille { filter: brightness(1.1); }
.seite-auswahl main > .mitte { margin: 26px 0 70px; }

/* Erfolg */
.danke { padding: 24px 0 120px; }
.danke-box { max-width: 1160px; padding: 50px; color: #fff; background: var(--petrol); border-radius: 36px; }
.danke-box p { margin: 0 0 22px; font-size: 14px; color: #fff; }
.danke-box h2 { max-width: 460px; font-size: 36px; line-height: 1.2; color: #fff; }
.seite-danke .kopf-innen { height: 76px; }

/* Testkit-Seite */
.seite-kit { background: #fff; font-family: var(--schrift); }
.kit-kopf { padding: 32px 20px 12px; text-align: center; }
.kit-kopf img { width: 300px; max-width: 70vw; height: auto; }
.kit-innen { max-width: 880px; margin: 0 auto; padding: 30px 20px 80px; }
.kit-innen .wf-funnel { --wf-schrift: var(--schrift); }

/* Rechtstexte */
.recht { padding: 40px 0 100px; }
.schmal { max-width: 860px; }
.recht h1 { margin-bottom: 24px; font-size: 40px; font-weight: 600; }
.recht h2 { margin: 36px 0 10px; font-size: 26px; font-weight: 600; }
.recht h3 { margin: 26px 0 8px; font-size: 20px; font-weight: 600; }
.recht p, .recht li { font-size: 16px; }

@media (max-width: 1024px) {
  .held h1 { font-size: 44px; }
  .titel-gross { font-size: 38px; }
  .methoden { grid-template-columns: 1fr; }
  .tipp-innen, .faq-innen, .abschluss-innen { grid-template-columns: 1fr; gap: 36px; }
  .karten { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 767px) {
  body { font-size: 16px; }
  .kopf-innen { height: auto; flex-wrap: wrap; gap: 4px 16px; padding: 14px 20px 0; }
  .menue { gap: 16px; font-size: 13px; flex-wrap: wrap; }
  .plakette { display: none; }
  .held { padding: 130px 0 50px; }
  .held h1 { font-size: 28px; }
  .held h1 span { padding: 4px 14px 6px; }
  .check { padding: 16px; }
  .titel-gross, .faq .titel-gross { font-size: 30px; }
  .warum, .tipp, .abschluss { padding: 70px 0; }
  .faq { padding: 60px 0 70px; }
  .bereiche { grid-template-columns: 1fr; }
  .karten { grid-template-columns: 1fr; }
  .auswahl-titel { font-size: 30px; }
  .danke-box { padding: 30px 24px; border-radius: 26px; }
  .danke-box h2 { font-size: 26px; }
  .fuss-innen { flex-direction: column; align-items: flex-start; }
  .siegel { display: none; }
}