/* fensterservice-hartmann.de – koncepcja „Profilkatalog” (redesign/koncepcja/DESIGN.md) */
@font-face { font-family: "D-DIN"; src: url(/fonts/D-DIN.woff2) format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "D-DIN"; src: url(/fonts/D-DIN-Bold.woff2) format("woff2"); font-weight: 700; font-display: swap; }
@font-face { font-family: "D-DIN Condensed"; src: url(/fonts/D-DINCondensed-Bold.woff2) format("woff2"); font-weight: 700; font-display: swap; }
@font-face { font-family: "Literata"; src: url(/fonts/literata-var.woff2) format("woff2"); font-weight: 400 700; font-style: normal; font-display: swap; }
@font-face { font-family: "Literata"; src: url(/fonts/literata-italic-var.woff2) format("woff2"); font-weight: 400 700; font-style: italic; font-display: swap; }

:root {
  --lack: #F1F2F0;
  --weiss: #FFFFFF;
  --anthrazit: #383E42;
  --grau: #596064;
  --alu: #A5A8A6;
  --linie: #D3D6D4;
  --ochsenblut: #7A2E28;
  --ochsenblut-dunkel: #5E221D;
  --s1: #DADDDA;
  --s2: #BEC2C0;
  --din: "D-DIN", "DIN Alternate", "Bahnschrift", "Arial Narrow", sans-serif;
  --eng: "D-DIN Condensed", "DIN Condensed", "Bahnschrift Condensed", "Arial Narrow", sans-serif;
  --text: "Literata", Georgia, "Times New Roman", serif;
  --rand: clamp(1.1rem, 4vw, 2.5rem);
  --breit: 76rem;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 6rem; }
body { margin: 0; background: var(--lack); color: var(--anthrazit); font: 400 1.125rem/1.62 var(--text); }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: .18em; }
a:hover { color: var(--ochsenblut); }
:focus-visible { outline: 3px solid var(--ochsenblut); outline-offset: 3px; }
.defs { position: absolute; width: 0; height: 0; overflow: hidden; }
.nur-sr { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.springen { position: absolute; left: -999px; top: .5rem; background: var(--weiss); padding: .5rem 1rem; z-index: 50; font-family: var(--din); }
.springen:focus { left: .5rem; }
.rahmen { max-width: var(--breit); margin: 0 auto; padding: 0 var(--rand); }

/* Vorschau-Leiste (nur Podgląd) */
.vorschau { background: #F3E3A0; color: #3B3415; font: 400 .875rem/1.4 var(--din); text-align: center; padding: .35rem var(--rand); }

/* Zeichnungen */
.z { display: block; width: 100%; height: auto; overflow: visible; }
.z .k { fill: url(#schraffur); stroke: var(--anthrazit); stroke-width: 1.6; }
.z .l { fill: var(--weiss); stroke: var(--anthrazit); stroke-width: 1.6; }
.z .dick { stroke-width: 2.6; }
.z .m { fill: var(--anthrazit); }
.z .m-l { fill: none; stroke: var(--anthrazit); stroke-width: 4; stroke-linejoin: miter; }
.z .h { fill: none; stroke: var(--alu); stroke-width: 1.2; stroke-dasharray: 4 3; }
.z .g { fill: #E4ECEE; stroke: var(--anthrazit); stroke-width: 1.2; }
.z .n { fill: var(--ochsenblut); }
.z .rad { stroke: var(--weiss); stroke-width: 1.6; }
.z .s1 { fill: var(--s1); }
.z .s2 { fill: var(--s2); }
.z .blatt { fill: #E9EAE8; stroke: var(--anthrazit); stroke-width: 1.6; }
.z .fliese { fill: var(--weiss); }
.z .rund { fill: var(--s2); stroke: var(--anthrazit); stroke-width: 1.2; }
.z .bl { stroke: var(--anthrazit); stroke-width: .8; fill: none; }
.z .bp { fill: var(--anthrazit); }
.z .bt { font: 400 11px var(--din); fill: var(--anthrazit); }
.z .n-t { stroke: var(--ochsenblut); }
.z circle.n-t, .z text.n-t { fill: var(--ochsenblut); stroke: none; }
.z text.n-t { font-weight: 700; }

/* Kopf */
.kopf { background: var(--weiss); border-bottom: 1px solid var(--linie); position: sticky; top: 0; z-index: 20; }
.kopf__in { display: flex; align-items: center; gap: 1.5rem; min-height: 4.5rem; }
.marke { display: flex; flex-direction: column; text-decoration: none; line-height: 1; margin-right: auto; }
.marke__name { font: 700 1.6rem/1 var(--eng); letter-spacing: .005em; }
.marke__zusatz { font: 400 .8rem/1.2 var(--din); color: var(--grau); margin-top: .2rem; }
.marke:hover { color: var(--anthrazit); }
.nav { display: flex; gap: 1.4rem; font: 400 1rem/1 var(--din); }
.nav a { text-decoration: none; padding: .4rem 0; border-bottom: 2px solid transparent; }
.nav a:hover, .nav a[aria-current="page"] { border-bottom-color: var(--ochsenblut); color: var(--anthrazit); }
.kopf__tel { font: 700 1.5rem/1 var(--eng); text-decoration: none; white-space: nowrap; }
.knopf { display: inline-flex; align-items: center; justify-content: center; gap: .5rem; min-height: 2.9rem; padding: .7rem 1.25rem;
  border-radius: 3px; border: 2px solid var(--ochsenblut); background: var(--ochsenblut); color: var(--weiss);
  font: 700 1.02rem/1.1 var(--din); text-decoration: none; cursor: pointer; }
.knopf:hover { background: var(--ochsenblut-dunkel); border-color: var(--ochsenblut-dunkel); color: var(--weiss); }
.knopf--hell { background: transparent; color: var(--anthrazit); border-color: var(--anthrazit); }
.knopf--hell:hover { background: var(--anthrazit); border-color: var(--anthrazit); color: var(--weiss); }
.menue-knopf { display: none; background: none; border: 0; padding: .5rem; margin-right: -.5rem; color: var(--anthrazit); cursor: pointer; font: 400 1rem var(--din); }
.menue-knopf svg { width: 1.6rem; height: 1.6rem; }

/* Hero Startseite */
.held { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr); gap: 0; align-items: stretch; background: var(--weiss); border-bottom: 1px solid var(--linie); }
.held__text { padding: clamp(2.5rem, 6vw, 5.5rem) clamp(1.5rem, 5vw, 4.5rem) clamp(2.5rem, 5vw, 4rem) max(var(--rand), calc((100vw - var(--breit)) / 2 + var(--rand))); display: flex; flex-direction: column; justify-content: center; }
.held h1, .kopfzeile h1 { font: 700 clamp(3rem, 6.4vw, 5.6rem)/.92 var(--eng); letter-spacing: -.01em; margin: 0 0 1.4rem; max-width: 12ch; }
.held__lead { font-size: 1.22rem; line-height: 1.55; max-width: 34rem; margin: 0 0 2rem; }
.held__aktion { display: flex; flex-wrap: wrap; gap: .8rem; margin-bottom: 2.2rem; }
.held__firma { font: 400 .95rem/1.5 var(--din); color: var(--grau); margin: 0; max-width: 34rem; }
.held__bild { position: relative; margin: 0; min-height: 36rem; background: #DDE0DE; }
.held__bild img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.held__bild .masse { position: absolute; inset: 0; width: 100%; height: 100%; }
.masse .ml { fill: none; stroke: var(--anthrazit); stroke-width: 3; }
.masse .ml-n { fill: none; stroke: var(--ochsenblut); stroke-width: 4; }
.masse .pkt { fill: var(--anthrazit); }
.masse .pkt-n { fill: var(--ochsenblut); }
.masse .schild { fill: var(--weiss); }
.masse text { font: 700 34px var(--din); fill: var(--anthrazit); }
.masse .t-n { fill: var(--ochsenblut); }
@media (prefers-reduced-motion: no-preference) {
  .masse .zieh { stroke-dasharray: var(--len); stroke-dashoffset: var(--len); animation: zieh 1.1s cubic-bezier(.5, 0, .2, 1) forwards; animation-delay: var(--d, .3s); }
  .masse .ein { opacity: 0; animation: ein .4s ease-out forwards; animation-delay: var(--d, .9s); }
}
@keyframes zieh { to { stroke-dashoffset: 0; } }
@keyframes ein { to { opacity: 1; } }

/* Abschnitte */
.abschnitt { padding: clamp(3rem, 7vw, 5.5rem) 0; }
.abschnitt--weiss { background: var(--weiss); border-top: 1px solid var(--linie); border-bottom: 1px solid var(--linie); }
.abschnitt__kopf { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 1rem 3rem; align-items: end; margin-bottom: 2.4rem; }
h2, .h2 { font: 700 clamp(2rem, 3.6vw, 3rem)/1 var(--eng); letter-spacing: -.005em; margin: 0; }
.abschnitt__kopf p { margin: 0; color: var(--grau); max-width: 36rem; }

/* Leistungen: Kacheln mit Foto des Problems und Frage in Alltagssprache */
.katalog { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1.25rem; list-style: none; margin: 0; padding: 0; }
.katalog li { background: var(--weiss); border: 1px solid var(--linie); }
.katalog a { display: flex; flex-direction: column; height: 100%; text-decoration: none; }
.katalog__bild { display: block; aspect-ratio: 3 / 2; overflow: hidden; background: var(--s1); }
.katalog__bild img { width: 100%; height: 100%; object-fit: cover; }
.katalog__frage { font: 700 1.45rem/1.08 var(--eng); padding: 1.1rem 1.2rem .35rem; }
.katalog__name { font: 700 .95rem/1.3 var(--din); color: var(--ochsenblut); padding: 0 1.2rem .45rem; }
.katalog__satz { font-size: .98rem; line-height: 1.5; color: var(--grau); margin: 0; padding: 0 1.2rem 1.3rem; }
.katalog a:hover { color: var(--anthrazit); }
.katalog a:hover .katalog__frage { text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: .15em; }

/* Woran Sie es erkennen */
.anzeichen { background: var(--weiss); border-top: 1px solid var(--linie); border-bottom: 1px solid var(--linie); padding: clamp(1.6rem, 3vw, 2.2rem) 0 clamp(2rem, 4vw, 3rem); }
.anzeichen h2 { font-size: 1.6rem; margin: 0 0 1rem; }
.anzeichen ul { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: .8rem 1.5rem; }
.anzeichen li { position: relative; padding: .9rem 1rem .9rem 2.6rem; background: var(--lack); font: 400 1.05rem/1.35 var(--din); }
.anzeichen li::before { content: ""; position: absolute; left: 1rem; top: 1.05rem; width: .55rem; height: .95rem; border: solid var(--ochsenblut); border-width: 0 3px 3px 0; transform: rotate(45deg); }

/* Unterseiten-Kopf */
.pfad { font: 400 .9rem/1.4 var(--din); color: var(--grau); margin: 0; padding-top: 1.4rem; }
.pfad a { color: var(--grau); }
.kopfzeile { background: var(--weiss); }
.kopfzeile__in { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 2rem 3.5rem; align-items: center; padding-top: 1.2rem; padding-bottom: clamp(2.5rem, 5vw, 4rem); }
.kopfzeile h1 { max-width: 14ch; font-size: clamp(2.7rem, 5.4vw, 4.6rem); }
.kopfzeile__bild { margin: 0; }
.kopfzeile__bild img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }

/* Text */
.inhalt { display: grid; grid-template-columns: 15rem minmax(0, 1fr); gap: 3.5rem; padding-top: clamp(2.5rem, 5vw, 4rem); padding-bottom: clamp(3rem, 6vw, 5rem); }
.inhalt__neben { position: sticky; top: 6.5rem; align-self: start; font-family: var(--din); }
.inhalt__neben h2 { font: 700 1.2rem/1.2 var(--eng); margin: 0 0 .6rem; }
.toc { list-style: none; margin: 0 0 2rem; padding: 0; border-left: 1px solid var(--alu); }
.toc a { display: block; padding: .35rem 0 .35rem .9rem; text-decoration: none; font-size: .95rem; line-height: 1.3; color: var(--grau); margin-left: -1px; border-left: 2px solid transparent; }
.toc a:hover, .toc a.aktiv { color: var(--anthrazit); border-left-color: var(--ochsenblut); }
.kasten { background: var(--weiss); border: 1px solid var(--alu); padding: 1.1rem 1.2rem; font-size: .95rem; line-height: 1.45; }
.kasten__tel { display: block; font: 700 1.55rem/1.1 var(--eng); text-decoration: none; margin: .3rem 0 .8rem; }
.kasten .knopf { width: 100%; }
.text { max-width: 44rem; }
.text > :first-child { margin-top: 0; }
.text h2 { font-size: clamp(1.9rem, 3vw, 2.5rem); margin: 3rem 0 1rem; padding-top: 1.4rem; border-top: 1px solid var(--alu); }
.text h3 { font: 700 1.35rem/1.2 var(--din); margin: 2rem 0 .5rem; }
.text p, .text ul, .text ol { margin: 0 0 1.1rem; }
.text ul, .text ol { padding-left: 1.3rem; }
.text li { margin-bottom: .35rem; }
.text strong { font-weight: 600; }
.text table { width: 100%; border-collapse: collapse; font: 400 1rem/1.4 var(--din); margin: 1.4rem 0 1.8rem; }
.text th, .text td { text-align: left; padding: .55rem .7rem; border-bottom: 1px solid var(--linie); vertical-align: top; }
.text th { border-bottom: 2px solid var(--anthrazit); }
.tabelle { overflow-x: auto; }
.text figure { margin: 2rem 0; }
.text figure img { width: 100%; }
.text figure.hoch { max-width: 26rem; }
.text figure.hoch img { aspect-ratio: 4/5; object-fit: cover; }
.text figcaption, .bild figcaption { font: 400 .9rem/1.4 var(--din); color: var(--grau); margin-top: .5rem; }
.text .lead { font-size: 1.22rem; }

/* FAQ */
.faq { margin: 1.2rem 0 0; border-top: 1px solid var(--alu); }
.faq details { border-bottom: 1px solid var(--alu); }
.faq summary { list-style: none; cursor: pointer; padding: 1.05rem 2.5rem 1.05rem 0; position: relative; font: 700 1.18rem/1.3 var(--din); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: ""; position: absolute; right: .3rem; top: 50%; width: .9rem; height: .9rem; margin-top: -.45rem;
  background: linear-gradient(var(--anthrazit), var(--anthrazit)) center/100% 2px no-repeat, linear-gradient(var(--anthrazit), var(--anthrazit)) center/2px 100% no-repeat; transition: transform .2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details > div { padding: 0 0 1.1rem; }
.faq details > div p:last-child { margin-bottom: 0; }

/* Ablauf */
.ablauf { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; counter-reset: s; border-top: 3px solid var(--anthrazit); }
.ablauf li { counter-increment: s; padding: 1.2rem 1.5rem 0 0; position: relative; }
.ablauf li::before { content: counter(s); display: block; font: 700 3.2rem/1 var(--eng); color: var(--ochsenblut); margin-bottom: .6rem; }
.ablauf h3 { font: 700 1.25rem/1.2 var(--din); margin: 0 0 .4rem; }
.ablauf p { margin: 0; font-size: 1rem; line-height: 1.5; color: var(--grau); }

/* Bildstreifen */
.bild { margin: 0; }
.bilder { display: grid; grid-template-columns: 1.4fr 1fr; gap: 1rem; }
.bilder .bild img { width: 100%; aspect-ratio: 3/2; object-fit: cover; }

/* Kontakt */
.kontakt { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 3rem 5rem; }
.kontakt__daten { font: 400 1.05rem/1.55 var(--din); }
.kontakt__tel { display: inline-block; font: 700 clamp(2.4rem, 4.6vw, 3.6rem)/1 var(--eng); text-decoration: none; margin: 1rem 0 1.2rem; }
.kontakt__daten p { margin: 0 0 1rem; }
.formular { background: var(--weiss); border: 1px solid var(--alu); padding: clamp(1.2rem, 3vw, 2rem); font-family: var(--din); }
.formular .zwei { display: grid; grid-template-columns: 1fr 1fr; gap: 0 1rem; }
.feld { margin-bottom: 1rem; }
.feld label { display: block; font-weight: 700; font-size: .95rem; margin-bottom: .3rem; }
.feld input, .feld select, .feld textarea { width: 100%; font: 400 1.05rem/1.4 var(--din); color: var(--anthrazit); background: var(--weiss);
  border: 1px solid var(--grau); border-radius: 3px; padding: .65rem .75rem; }
.feld textarea { min-height: 7.5rem; resize: vertical; }
.feld input:focus, .feld select:focus, .feld textarea:focus { outline: 2px solid var(--ochsenblut); outline-offset: 0; border-color: var(--ochsenblut); }
.check { display: flex; gap: .6rem; align-items: flex-start; font-weight: 400 !important; font-size: .92rem !important; line-height: 1.45; }
.check input { width: 1.15rem; height: 1.15rem; margin-top: .15rem; flex: none; accent-color: var(--ochsenblut); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; }
.status { min-height: 1.4em; margin: .8rem 0 0; font-size: .98rem; }

/* Fuß */
.fuss { background: var(--anthrazit); color: #E6E8E6; font: 400 .98rem/1.6 var(--din); padding: 3.5rem 0 6rem; }
.fuss a { color: #FFFFFF; }
.fuss a:hover { color: #F2C9C3; }
.fuss__in { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 2rem 3rem; }
.fuss h2 { font: 700 1.3rem/1.2 var(--eng); color: var(--weiss); margin: 0 0 .7rem; }
.fuss ul { list-style: none; margin: 0; padding: 0; }
.fuss p { margin: 0 0 .7rem; }
.fuss__unten { border-top: 1px solid #5B6266; margin-top: 2.5rem; padding-top: 1.2rem; display: flex; flex-wrap: wrap; gap: .6rem 1.6rem; font-size: .9rem; color: #C4C8C6; }

/* Aktionsleiste Telefon */
.leiste { display: none; }

@media (max-width: 1080px) {
  .katalog { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .anzeichen ul { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .nav { gap: 1rem; }
  .kopf__anfrage { display: none; }
}
@media (max-width: 860px) {
  .menue-knopf { display: inline-flex; align-items: center; gap: .4rem; }
  .nav { display: none; position: absolute; left: 0; right: 0; top: 100%; background: var(--weiss); border-bottom: 1px solid var(--linie); flex-direction: column; gap: 0; padding: .5rem var(--rand) 1rem; }
  .nav.offen { display: flex; }
  .nav a { padding: .85rem 0; border-bottom: 1px solid var(--linie); font-size: 1.1rem; }
  .kopf__tel { display: none; }
  .held { grid-template-columns: minmax(0, 1fr); }
  .held__text { padding: 2.2rem var(--rand) 2rem; }
  .held__bild { min-height: 0; aspect-ratio: 4/5; max-height: 34rem; }
  .kopfzeile__in, .abschnitt__kopf, .kontakt, .inhalt { grid-template-columns: minmax(0, 1fr); }
  .inhalt { gap: 1.5rem; }
  .inhalt__neben { display: none; }
  .ablauf { grid-template-columns: 1fr 1fr; row-gap: 1.6rem; }
  .bilder { grid-template-columns: 1fr; }
  .fuss__in { grid-template-columns: 1fr; }
  .leiste { display: grid; grid-template-columns: 1fr 1fr; position: fixed; left: 0; right: 0; bottom: 0; z-index: 30; background: var(--weiss);
    border-top: 1px solid var(--alu); padding: .55rem .6rem calc(.55rem + env(safe-area-inset-bottom)); gap: .55rem; }
  .leiste .knopf { min-height: 3rem; }
  body { padding-bottom: 4.4rem; }
}
@media (max-width: 520px) {
  body { font-size: 1.06rem; }
  .katalog { grid-template-columns: minmax(0, 1fr); gap: .8rem; }
  .katalog a { display: grid; grid-template-columns: 8.5rem minmax(0, 1fr); grid-template-rows: auto auto 1fr; }
  .katalog__bild { grid-row: 1 / 4; aspect-ratio: auto; height: 100%; min-height: 8.5rem; }
  .katalog__frage { font-size: 1.25rem; padding: .8rem .9rem .25rem; }
  .katalog__name { padding: 0 .9rem .3rem; }
  .katalog__satz { font-size: .92rem; padding: 0 .9rem .8rem; }
  .anzeichen ul { grid-template-columns: minmax(0, 1fr); }
  .formular .zwei { grid-template-columns: 1fr; }
  .ablauf { grid-template-columns: 1fr; }
  .held h1 { font-size: 3rem; }
  .marke__name { font-size: 1.4rem; }
}