/* Pietz Zahntechnik — Okklusionsbahnen mit Quadrantenmarken
   Alle Schriften lokal, keine externen Ressourcen. */

/* ---------- Schriften ---------- */
@font-face{font-family:"Titillium";src:url("schriften/titillium-700.woff2") format("woff2");font-weight:700;font-style:normal;font-display:swap}
@font-face{font-family:"Titillium";src:url("schriften/titillium-400.woff2") format("woff2");font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:"Lexend";src:url("schriften/lexend-400.woff2") format("woff2");font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:"Lexend";src:url("schriften/lexend-700.woff2") format("woff2");font-weight:700;font-style:normal;font-display:swap}

/* ---------- Werte ---------- */
:root{
  --porzellan:#F7F6F3;
  --dentin:#F5F0E8;
  --inzisal:#E8EEF1;
  --weiss:#FFFFFF;
  --tief:#232E35;
  --tief2:#1B242A;
  --grau:#637882;
  --graustark:#4A5C66;
  --rot:#E30617;
  --linie:#C7CFD3;
  --linie-zart:#DFE4E6;
  --breite:1180px;
  --rand:clamp(18px,5vw,44px);
  --bahn:clamp(56px,8vw,96px);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  margin:0;background:var(--porzellan);color:var(--tief);
  font-family:"Lexend",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;line-height:1.65;font-weight:400;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:#B4050F;text-underline-offset:3px}
a:hover{color:var(--rot)}
:focus-visible{outline:3px solid var(--rot);outline-offset:3px}

h1,h2,h3,h4{font-family:"Titillium",system-ui,sans-serif;font-weight:700;line-height:1.15;margin:0 0 .5em;letter-spacing:.005em}
h1{font-size:clamp(2rem,5.6vw,3.4rem)}
h2{font-size:clamp(1.5rem,3.6vw,2.3rem)}
h3{font-size:clamp(1.15rem,2.2vw,1.4rem)}
h4{font-size:1.02rem;letter-spacing:.09em;text-transform:uppercase}
p{margin:0 0 1.05em}
ul,ol{margin:0 0 1.15em;padding-left:1.15em}
li{margin-bottom:.4em}
strong{font-weight:700}
hr{border:0;border-top:1px solid var(--linie);margin:2rem 0}

.hilfe{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.sprung{position:absolute;left:8px;top:-60px;z-index:200;background:var(--tief);color:#fff;padding:12px 18px;border-radius:2px;transition:top .15s}
.sprung:focus{top:8px}

/* ---------- Kopf ---------- */
.kopf{position:sticky;top:0;z-index:100;background:rgba(247,246,243,.96);border-bottom:1px solid var(--linie);backdrop-filter:saturate(1.4) blur(6px)}
.kopf__zeile{max-width:var(--breite);margin:0 auto;padding:0 var(--rand);display:flex;align-items:center;gap:16px;min-height:66px}
.marke{display:flex;align-items:center;gap:12px;text-decoration:none;color:inherit;padding:8px 0}
.marke img{width:148px;height:36px}
@media (min-width:420px){.marke img{width:168px;height:41px}}
.kopf__tel{margin-left:auto;display:flex;align-items:center;gap:10px;font-family:"Titillium",sans-serif;font-weight:700;font-size:.94rem;letter-spacing:.06em;text-decoration:none;color:var(--tief);
  min-height:44px;padding:0 6px;white-space:nowrap}
.kopf__tel span{display:none}
@media (min-width:520px){.kopf__tel span{display:inline}}
.knopf-menue{margin-left:8px;width:46px;height:46px;border:1px solid var(--linie);background:var(--weiss);border-radius:2px;display:grid;place-items:center;cursor:pointer;padding:0}
.knopf-menue span{display:block;width:20px;height:2px;background:var(--tief);position:relative}
.knopf-menue span::before,.knopf-menue span::after{content:"";position:absolute;left:0;width:20px;height:2px;background:var(--tief)}
.knopf-menue span::before{top:-6px}
.knopf-menue span::after{top:6px}
.knopf-menue[aria-expanded="true"] span{background:transparent}
.knopf-menue[aria-expanded="true"] span::before{top:0;transform:rotate(45deg)}
.knopf-menue[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg)}

.nav{display:none;border-top:1px solid var(--linie-zart);background:var(--weiss)}
.nav.offen{display:block}
.nav ul{list-style:none;margin:0;padding:8px var(--rand) 20px;max-width:var(--breite);margin:0 auto}
.nav li{margin:0}
.nav a{display:block;padding:13px 0;min-height:44px;text-decoration:none;color:var(--tief);
  font-family:"Titillium",sans-serif;font-weight:700;letter-spacing:.06em;text-transform:uppercase;font-size:.92rem;
  border-bottom:1px solid var(--linie-zart)}
.nav a:hover,.nav a[aria-current="page"]{color:var(--rot)}
@media (min-width:1000px){
  .knopf-menue{display:none}
  .nav{display:block;border-top:0;background:transparent}
  .nav ul{display:flex;flex-wrap:wrap;gap:0 22px;padding:0 var(--rand) 10px;justify-content:flex-end}
  .nav a{border-bottom:2px solid transparent;padding:6px 0;font-size:.82rem;letter-spacing:.08em}
  .nav a[aria-current="page"]{border-bottom-color:var(--rot)}
}

/* ---------- Bahnen + Okklusionslinie ---------- */
.bahn{padding:var(--bahn) 0;background:linear-gradient(180deg,var(--dentin) 0%,var(--inzisal) 100%)}
.bahn--hell{background:linear-gradient(180deg,#FCFBF9 0%,#EFF3F5 100%)}
.bahn--tief{background:linear-gradient(180deg,#2E3B43 0%,#1A2329 100%);color:#EEF2F3}
.bahn--tief h2,.bahn--tief h3{color:#fff}
.bahn--tief a{color:#FFB3B7}
.bahn--tief .achse::after,.bahn--tief .achse::before{background:rgba(255,255,255,.28)}
.bahn--tief .achse__label{color:#C8D2D7}
.innen{max-width:var(--breite);margin:0 auto;padding:0 var(--rand)}

.achse{display:flex;align-items:center;gap:14px;margin-bottom:clamp(24px,4vw,40px)}
.achse__nr{flex:none;width:40px;height:40px;border:1.5px solid var(--rot);border-radius:50%;
  display:grid;place-items:center;font-family:"Titillium",sans-serif;font-weight:700;font-size:.9rem;
  letter-spacing:.04em;color:var(--rot);font-variant-numeric:tabular-nums}
.achse__label{font-family:"Titillium",sans-serif;font-weight:700;font-size:.78rem;letter-spacing:.19em;
  text-transform:uppercase;color:var(--graustark);min-width:0;overflow-wrap:anywhere}
.achse::after{content:"";flex:1;min-width:24px;height:1px;background:var(--linie)}
@media (min-width:700px){.achse__label{white-space:nowrap}}

/* Gespiegelte Anordnung: Bild und Text tauschen die Seite */
.spiegel{display:grid;gap:clamp(24px,4vw,48px);align-items:center}
@media (min-width:860px){
  .spiegel{grid-template-columns:1fr 1fr}
  .spiegel--um .spiegel__bild{order:2}
}
.spiegel__text>*:last-child{margin-bottom:0}

figure{margin:0}
figure img{width:100%;border-bottom:2px solid var(--rot)}
figcaption{font-family:"Titillium",sans-serif;font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--graustark);padding-top:9px}
.bahn--tief figcaption{color:#AEBBC1}
.bild-3-2{aspect-ratio:3/2;object-fit:cover}
.bild-16-9{aspect-ratio:16/9;object-fit:cover}

/* ---------- Einstieg ---------- */
.einstieg{background:linear-gradient(180deg,#FBF8F3 0%,#E4ECEF 100%);padding:clamp(40px,7vw,84px) 0 0}
.einstieg__kopf{max-width:var(--breite);margin:0 auto;padding:0 var(--rand)}
.einstieg .ueber{font-family:"Titillium",sans-serif;font-weight:700;font-size:.8rem;letter-spacing:.22em;
  text-transform:uppercase;color:var(--rot);margin:0 0 14px}
.einstieg h1{max-width:16ch}
.einstieg__lead{font-size:clamp(1.05rem,2.2vw,1.28rem);max-width:56ch;color:#33424B}
.einstieg__bild{margin-top:clamp(28px,5vw,48px)}
.einstieg__bild img{width:100%;aspect-ratio:16/7;object-fit:cover;border-top:1px solid var(--linie);border-bottom:2px solid var(--rot)}

/* ---------- Weiche: zwei Zielgruppen ---------- */
.weiche{display:grid;gap:2px;background:var(--linie)}
@media (min-width:760px){.weiche{grid-template-columns:1fr 1fr}}
.weiche__feld{background:var(--weiss);padding:clamp(24px,3.5vw,38px);display:flex;flex-direction:column;text-decoration:none;color:inherit}
.weiche__feld:hover{background:#FBFAF8}
.weiche__nr{font-family:"Titillium",sans-serif;font-weight:700;font-size:.78rem;letter-spacing:.2em;color:var(--rot)}
.weiche__feld h2{margin:.5em 0 .3em}
.weiche__feld p{color:#39474F}
.weiche__mehr{margin-top:auto;font-family:"Titillium",sans-serif;font-weight:700;letter-spacing:.1em;
  text-transform:uppercase;font-size:.82rem;color:var(--rot)}
.weiche__mehr::after{content:" →"}

/* ---------- Karten/Listen ---------- */
.raster{display:grid;gap:1px;background:var(--linie-zart);border-top:1px solid var(--linie-zart);border-bottom:1px solid var(--linie-zart)}
@media (min-width:660px){.raster--2{grid-template-columns:1fr 1fr}}
@media (min-width:860px){.raster--3{grid-template-columns:repeat(3,1fr)}}
.feld{background:rgba(255,255,255,.72);padding:clamp(20px,2.6vw,28px)}
.bahn--tief .feld{background:rgba(255,255,255,.06)}
.feld h3{margin-bottom:.35em}
.feld p:last-child,.feld ul:last-child{margin-bottom:0}
.feld__marke{font-family:"Titillium",sans-serif;font-weight:700;font-size:.72rem;letter-spacing:.18em;
  text-transform:uppercase;color:var(--rot);display:block;margin-bottom:.5em}

.strichliste{list-style:none;padding:0}
.strichliste li{padding-left:26px;position:relative}
.strichliste li::before{content:"";position:absolute;left:0;top:.72em;width:14px;height:1px;background:var(--rot)}

/* ---------- Schaltflächen ---------- */
.knopf{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:12px 26px;
  font-family:"Titillium",sans-serif;font-weight:700;letter-spacing:.1em;text-transform:uppercase;font-size:.85rem;
  text-decoration:none;border-radius:2px;border:1.5px solid var(--tief);background:var(--tief);color:#fff;cursor:pointer}
.knopf:hover{background:var(--rot);border-color:var(--rot);color:#fff}
.knopf--offen{background:transparent;color:var(--tief);border-color:var(--tief)}
.knopf--offen:hover{background:var(--tief);color:#fff}
.bahn--tief .knopf--offen{color:#fff;border-color:rgba(255,255,255,.6)}
.bahn--tief .knopf--offen:hover{background:#fff;color:var(--tief)}
.knopfreihe{display:flex;flex-wrap:wrap;gap:12px;margin-top:1.4em}

/* ---------- Zahnschema + Filter (rein CSS) ---------- */
.schema{background:rgba(255,255,255,.7);border:1px solid var(--linie-zart);padding:clamp(18px,3vw,30px);margin-bottom:clamp(28px,4vw,44px)}
.schema__bogen{width:100%;max-width:560px;margin:0 auto 18px;display:block;height:auto}
.zahn{fill:#FBFAF8;stroke:var(--grau);stroke-width:1.1;transition:fill .15s}
.zahn-nr{font-family:"Titillium",sans-serif;font-size:9px;fill:var(--graustark);text-anchor:middle}
.kiefer-marke{font-family:"Titillium",sans-serif;font-size:11px;letter-spacing:.16em;fill:var(--graustark);text-anchor:middle}

.filter{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}
.filter input{position:absolute;opacity:0;width:1px;height:1px}
.filter label{display:inline-flex;align-items:center;min-height:44px;padding:8px 16px;border:1px solid var(--linie);
  background:var(--weiss);border-radius:2px;cursor:pointer;font-family:"Titillium",sans-serif;font-weight:700;
  font-size:.8rem;letter-spacing:.08em;text-transform:uppercase;color:var(--graustark)}
.filter label:hover{border-color:var(--grau)}
.filter input:checked+label{background:var(--tief);border-color:var(--tief);color:#fff}
.filter input:focus-visible+label{outline:3px solid var(--rot);outline-offset:3px}

/* Auswahl steuert Zahnbogen und Versorgungsliste */
body:has(#s-einzel:checked) .zahn[data-s~="einzel"],
body:has(#s-luecke:checked) .zahn[data-s~="luecke"],
body:has(#s-rest:checked) .zahn[data-s~="rest"],
body:has(#s-zahnlos:checked) .zahn[data-s~="zahnlos"],
body:has(#s-uebergang:checked) .zahn[data-s~="uebergang"],
body:has(#s-aesthetik:checked) .zahn[data-s~="aesthetik"]{fill:var(--rot);stroke:var(--rot)}

body:has(#s-einzel:checked) .vers:not([data-s~="einzel"]),
body:has(#s-luecke:checked) .vers:not([data-s~="luecke"]),
body:has(#s-rest:checked) .vers:not([data-s~="rest"]),
body:has(#s-zahnlos:checked) .vers:not([data-s~="zahnlos"]),
body:has(#s-uebergang:checked) .vers:not([data-s~="uebergang"]),
body:has(#s-aesthetik:checked) .vers:not([data-s~="aesthetik"]){display:none}

/* ---------- Tabellen ---------- */
.tabelle{width:100%;border-collapse:collapse;font-size:.97rem}
.tabelle th,.tabelle td{text-align:left;padding:11px 12px 11px 0;border-bottom:1px solid var(--linie-zart);vertical-align:top}
.tabelle th{font-family:"Titillium",sans-serif;font-weight:700;letter-spacing:.08em;text-transform:uppercase;font-size:.78rem;color:var(--graustark);white-space:nowrap}

/* ---------- Aufklapper ---------- */
details{border-bottom:1px solid var(--linie-zart);background:rgba(255,255,255,.55)}
details summary{cursor:pointer;padding:16px 18px;font-family:"Titillium",sans-serif;font-weight:700;
  font-size:1.02rem;list-style:none;display:flex;gap:12px;align-items:baseline;min-height:44px}
details summary::-webkit-details-marker{display:none}
details summary::before{content:"+";color:var(--rot);font-size:1.2rem;line-height:1}
details[open] summary::before{content:"–"}
details .inhalt{padding:0 18px 20px}
details .inhalt>*:last-child{margin-bottom:0}

/* ---------- Formular ---------- */
.formular{display:grid;gap:16px;max-width:640px}
@media (min-width:640px){.formular .zwei{display:grid;grid-template-columns:1fr 1fr;gap:16px}}
.formular label{display:block;font-family:"Titillium",sans-serif;font-weight:700;font-size:.82rem;
  letter-spacing:.1em;text-transform:uppercase;color:var(--graustark);margin-bottom:6px}
.formular input,.formular select,.formular textarea{
  width:100%;min-height:48px;padding:11px 13px;border:1px solid var(--linie);border-radius:2px;
  background:var(--weiss);font:inherit;font-size:1rem;color:var(--tief)}
.formular textarea{min-height:150px;resize:vertical}
.formular input:focus,.formular textarea:focus,.formular select:focus{border-color:var(--grau)}
.zustimmung{display:flex;gap:12px;align-items:flex-start;font-size:.93rem}
.zustimmung input{width:22px;height:22px;min-height:22px;flex:none;margin-top:3px}
.zustimmung label{text-transform:none;letter-spacing:0;font-family:inherit;font-weight:400;font-size:.93rem;color:var(--tief);margin:0}
.hinweis{font-size:.9rem;color:var(--graustark);background:rgba(255,255,255,.7);border-left:3px solid var(--rot);padding:12px 15px}

/* ---------- Platzhalter (fehlende Angaben) ---------- */
.platzhalter{border:1px dashed var(--rot);background:rgba(227,6,23,.04);padding:14px 16px;font-size:.92rem}
.platzhalter b{font-family:"Titillium",sans-serif;letter-spacing:.1em;text-transform:uppercase;font-size:.75rem;color:var(--rot);display:block;margin-bottom:4px}

/* ---------- Karte (Zwei-Klick) ---------- */
.karte{border:1px solid var(--linie);background:var(--weiss)}
.karte__plan{display:block;width:100%;height:auto}
.karte__fuss{padding:16px;display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;border-top:1px solid var(--linie-zart)}
.karte__fuss p{margin:0;font-size:.88rem;color:var(--graustark);max-width:46ch}

/* ---------- Video (Klick zum Laden) ---------- */
.videofeld{position:relative;border-bottom:2px solid var(--rot)}
.videofeld video{width:100%;display:block}

/* ---------- Fuß ---------- */
.fuss{background:var(--tief2);color:#D6DEE1;padding:clamp(40px,6vw,64px) 0 28px;font-size:.95rem}
.fuss a{color:#D6DEE1;text-decoration:none}
.fuss a:hover{color:#fff;text-decoration:underline}
.fuss__raster{display:grid;gap:32px}
@media (min-width:760px){.fuss__raster{grid-template-columns:1.3fr 1fr 1fr}}
.fuss h2{font-size:.8rem;letter-spacing:.18em;text-transform:uppercase;color:#9FB0B7;margin-bottom:1em}
.fuss ul{list-style:none;padding:0;margin:0}
.fuss li{margin-bottom:.55em}
.fuss__logo{width:180px;height:44px;margin-bottom:18px}
.fuss__unten{border-top:1px solid rgba(255,255,255,.14);margin-top:34px;padding-top:18px;
  display:flex;flex-wrap:wrap;gap:8px 22px;font-size:.86rem;color:#9FB0B7}
.fuss__unten a{color:#9FB0B7}

address{font-style:normal}

/* ---------- Brotkrumen ---------- */
.krumen{font-size:.82rem;color:var(--graustark);padding:14px 0 0}
.krumen ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px;margin:0;padding:0}
.krumen li:not(:last-child)::after{content:"›";padding-left:6px;color:var(--linie)}
.krumen a{color:var(--graustark)}