/* AVCNet GmbH – avcnet.de
   Schlichtes, helles Design. Keine externen Schriften (Datenschutz): Systemschrift. */

:root {
  --blau: #2f8fe0;          /* Hauptfarbe Hellblau */
  --blau-dunkel: #1a6fbd;   /* Hover, Links */
  --blau-hell: #e9f4fd;     /* Flächen */
  --blau-hauch: #f5faff;    /* Hintergrund Abschnitte */
  --text: #16212e;
  --text-2: #4a4f57;
  --text-3: #6e7681;
  --linie: #dfe6ee;
  --weiss: #ffffff;
  --rot: #d93a2b;
  --gruen: #1f9d55;
  --radius: 22px;
  --radius-klein: 12px;
  --schatten: 0 1px 2px rgba(16, 40, 70, .04), 0 8px 30px rgba(16, 40, 70, .07);
  --breite: 1080px;
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--weiss);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--blau-dunkel); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { margin: 0; font-weight: 700; letter-spacing: -0.022em; line-height: 1.1; }
p { margin: 0; }
.wrap { max-width: var(--breite); margin: 0 auto; padding: 0 22px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
:focus-visible { outline: 3px solid rgba(47, 143, 224, .45); outline-offset: 2px; border-radius: 6px; }

/* ---------- Navigation ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, .78);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid rgba(0, 0, 0, .06);
}
.nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 60px; gap: 20px; }
.nav .logo img { height: 34px; width: auto; }
.nav ul { list-style: none; display: flex; align-items: center; gap: 28px; margin: 0; padding: 0; }
.nav ul a { color: var(--text-2); font-size: 14px; }
.nav ul a:hover { color: var(--text); text-decoration: none; }
.nav .knopf { padding: 7px 15px; font-size: 14px; }
.menu-knopf { display: none; background: none; border: 0; padding: 8px; margin-right: -8px; cursor: pointer; color: var(--text); }
.menu-knopf svg { width: 22px; height: 22px; display: block; }

/* ---------- Knöpfe ---------- */
.knopf {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 22px; border-radius: 980px; border: 0;
  background: var(--blau); color: #fff !important;
  font: inherit; font-size: 16px; font-weight: 500; cursor: pointer;
  transition: background .2s, transform .1s;
}
.knopf:hover { background: var(--blau-dunkel); text-decoration: none; }
.knopf:active { transform: scale(.98); }
.knopf.zart { background: var(--blau-hell); color: var(--blau-dunkel) !important; }
.knopf.zart:hover { background: #dbecfb; }
.link-pfeil { font-size: 17px; font-weight: 500; }
.link-pfeil::after { content: " ›"; }

/* ---------- Kopfbereich ---------- */
.hero {
  text-align: center;
  padding: 96px 0 72px;
  background:
    radial-gradient(1100px 480px at 50% -10%, #d6ebfc 0%, rgba(214, 235, 252, 0) 70%),
    linear-gradient(#f5faff, #ffffff);
}
.hero .eyebrow { color: var(--blau-dunkel); font-weight: 600; font-size: 15px; margin-bottom: 14px; }
.hero h1 { font-size: clamp(40px, 7vw, 72px); letter-spacing: -0.035em; max-width: 14ch; margin: 0 auto; }
.hero .lead { font-size: clamp(19px, 2.4vw, 24px); color: var(--text-2); max-width: 34ch; margin: 22px auto 0; line-height: 1.4; }
.hero .aktionen { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-top: 36px; }
.hero-bild { margin: 64px auto 0; max-width: 720px; }
.hero-bild svg { width: 100%; height: auto; display: block; }

/* ---------- Schnellzugriff ---------- */
.schnell { padding: 8px 0 88px; }
.schnell .raster { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.kachel {
  display: flex; flex-direction: column; gap: 10px;
  padding: 28px; border-radius: var(--radius);
  background: var(--blau-hauch); border: 1px solid #e3eefa;
  color: var(--text); transition: transform .2s, box-shadow .2s;
}
a.kachel:hover { transform: translateY(-2px); box-shadow: var(--schatten); text-decoration: none; }
.kachel .icon { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; background: #fff; color: var(--blau); box-shadow: 0 1px 3px rgba(16, 40, 70, .08); }
.kachel .icon svg { width: 24px; height: 24px; }
.kachel.warn .icon { color: var(--rot); }
.kachel h3 { font-size: 20px; margin-top: 6px; }
.kachel p { color: var(--text-2); font-size: 15px; }
.kachel .mehr { margin-top: auto; padding-top: 6px; color: var(--blau-dunkel); font-size: 15px; font-weight: 500; }

/* ---------- Abschnitte ---------- */
section.block { padding: 96px 0; }
section.hauch { background: var(--blau-hauch); }
.kopf { text-align: center; max-width: 680px; margin: 0 auto 56px; }
.kopf .eyebrow { color: var(--blau-dunkel); font-weight: 600; font-size: 15px; margin-bottom: 10px; }
.kopf h2 { font-size: clamp(32px, 5vw, 48px); letter-spacing: -0.03em; }
.kopf p { color: var(--text-2); font-size: 19px; margin-top: 16px; }

/* Leistungen */
.leistungen { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.leistungen .karte { padding: 32px 28px; }
.karte {
  background: #fff; border-radius: var(--radius); padding: 36px;
  box-shadow: var(--schatten); display: flex; flex-direction: column; gap: 12px;
}
.karte .icon { width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center; background: var(--blau-hell); color: var(--blau); margin-bottom: 6px; }
.karte .icon svg { width: 28px; height: 28px; }
.karte h3 { font-size: 24px; }
.karte p { color: var(--text-2); }
.karte ul { margin: 4px 0 0; padding: 0; list-style: none; display: grid; gap: 8px; color: var(--text-2); font-size: 15px; }
.karte li { padding-left: 24px; position: relative; }
.karte li::before { content: ""; position: absolute; left: 2px; top: 7px; width: 12px; height: 7px; border-left: 2px solid var(--blau); border-bottom: 2px solid var(--blau); transform: rotate(-45deg); }

/* Über uns */
.ueber { display: grid; grid-template-columns: 1.1fr 1fr; gap: 64px; align-items: center; }
.ueber h2 { font-size: clamp(32px, 5vw, 48px); letter-spacing: -0.03em; }
.ueber .text p { color: var(--text-2); font-size: 18px; margin-top: 18px; }
.werte { display: grid; gap: 14px; }
.wert { display: flex; gap: 16px; align-items: flex-start; background: #fff; border-radius: 18px; padding: 20px 22px; box-shadow: var(--schatten); }
.wert .zahl { flex: none; width: 36px; height: 36px; border-radius: 50%; background: var(--blau-hell); color: var(--blau-dunkel); display: grid; place-items: center; font-weight: 700; font-size: 15px; }
.wert h3 { font-size: 17px; letter-spacing: -0.01em; }
.wert p { color: var(--text-2); font-size: 15px; margin-top: 2px; }

/* Bevor Sie eine Störung melden */
.tipps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; counter-reset: tipp; }
.tipp { border: 1px solid var(--linie); border-radius: 18px; padding: 22px; background: #fff; }
.tipp::before { counter-increment: tipp; content: counter(tipp); display: grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; background: var(--blau); color: #fff; font-weight: 600; font-size: 14px; margin-bottom: 12px; }
.tipp h3 { font-size: 16px; letter-spacing: -0.01em; }
.tipp p { color: var(--text-2); font-size: 14.5px; margin-top: 4px; }
.tipps-fuss { text-align: center; margin-top: 28px; color: var(--text-2); }

/* ---------- Kontakt ---------- */
.kontakt { display: grid; grid-template-columns: 1fr 1.6fr; gap: 40px; align-items: start; }
.kontakt-info { display: grid; gap: 14px; position: sticky; top: 84px; }
.info { background: #fff; border-radius: 18px; padding: 22px; box-shadow: var(--schatten); }
.info .label { font-size: 13px; color: var(--text-3); text-transform: uppercase; letter-spacing: .04em; font-weight: 600; }
.info .wert-gross { font-size: 22px; font-weight: 600; letter-spacing: -0.01em; margin-top: 4px; display: block; color: var(--text); }
.info p { color: var(--text-2); font-size: 15px; margin-top: 4px; }

.formular { background: #fff; border-radius: var(--radius); padding: 36px; box-shadow: var(--schatten); }

/* Segment-Umschalter */
.segment { display: grid; grid-template-columns: repeat(3, 1fr); background: #eef2f6; border-radius: 12px; padding: 3px; margin-bottom: 28px; }
.segment { position: relative; }
.segment input, .wahl input { position: absolute; left: 0; top: 0; width: 1px; height: 1px; margin: 0; opacity: 0; pointer-events: none; }
.segment label { text-align: center; padding: 9px 6px; border-radius: 9px; font-size: 14.5px; font-weight: 500; color: var(--text-2); cursor: pointer; transition: background .2s, color .2s, box-shadow .2s; }
.segment input:checked + label { background: #fff; color: var(--text); box-shadow: 0 1px 3px rgba(0, 0, 0, .1), 0 1px 1px rgba(0, 0, 0, .04); }
.segment input:focus-visible + label { outline: 3px solid rgba(47, 143, 224, .45); }

.feldgruppe { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.feld { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.feld.voll { grid-column: 1 / -1; }
.feld label, .feld .legende { font-size: 14px; font-weight: 500; color: var(--text-2); }
.feld .opt { color: var(--text-3); font-weight: 400; }
.feld input, .feld select, .feld textarea {
  font: inherit; font-size: 16px; color: var(--text);
  padding: 12px 14px; border: 1px solid var(--linie); border-radius: var(--radius-klein);
  background: #fbfcfe; transition: border-color .15s, box-shadow .15s, background .15s; width: 100%;
  -webkit-appearance: none; appearance: none;
}
.feld select { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%236e7681' stroke-width='1.6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; background-size: 12px; padding-right: 38px; }
.feld textarea { min-height: 120px; resize: vertical; }
.feld input:focus, .feld select:focus, .feld textarea:focus { outline: none; border-color: var(--blau); box-shadow: 0 0 0 4px rgba(47, 143, 224, .15); background: #fff; }
.feld input:user-invalid, .feld select:user-invalid, .feld textarea:user-invalid { border-color: var(--rot); }

.wahl { display: flex; flex-wrap: wrap; gap: 8px; position: relative; }
.wahl label { padding: 9px 16px; border: 1px solid var(--linie); border-radius: 980px; font-size: 14.5px; color: var(--text-2); cursor: pointer; background: #fbfcfe; transition: all .15s; }
.wahl input:checked + label { border-color: var(--blau); background: var(--blau-hell); color: var(--blau-dunkel); }
.wahl input:focus-visible + label { outline: 3px solid rgba(47, 143, 224, .45); }

.hinweis-stoerung { display: flex; gap: 12px; background: #fff6f5; border: 1px solid #fadcd8; color: #8c2a20; border-radius: 14px; padding: 14px 16px; font-size: 14.5px; margin-bottom: 22px; }
.hinweis-stoerung svg { flex: none; width: 20px; height: 20px; margin-top: 1px; }

.zustimmung { display: flex; gap: 12px; align-items: flex-start; font-size: 14px; color: var(--text-2); margin: 6px 0 22px; }
.zustimmung input { width: 20px; height: 20px; margin: 1px 0 0; accent-color: var(--blau); flex: none; }
.honig { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; overflow: hidden; }

.absenden { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.absenden .klein { color: var(--text-3); font-size: 13px; }
.knopf[disabled] { opacity: .6; cursor: progress; }

.meldung { display: none; border-radius: 14px; padding: 16px 18px; font-size: 15px; margin-top: 20px; }
.meldung.ok { display: block; background: #eefaf3; border: 1px solid #c8ecd7; color: #135c33; }
.meldung.fehler { display: block; background: #fff6f5; border: 1px solid #fadcd8; color: #8c2a20; }
.meldung strong { display: block; font-size: 16px; margin-bottom: 2px; }

[data-nur] { display: none; }
.formular[data-art="stoerung"] [data-nur~="stoerung"],
.formular[data-art="angebot"] [data-nur~="angebot"],
.formular[data-art="frage"] [data-nur~="frage"] { display: block; }
.formular[data-art="stoerung"] .feldgruppe[data-nur~="stoerung"],
.formular[data-art="angebot"] .feldgruppe[data-nur~="angebot"],
.formular[data-art="frage"] .feldgruppe[data-nur~="frage"] { display: grid; }
.formular[data-art="stoerung"] .hinweis-stoerung[data-nur~="stoerung"] { display: flex; }

/* ---------- Fußbereich ---------- */
footer { background: #eef4fa; color: var(--text-3); font-size: 13px; padding: 48px 0 36px; margin-top: 0; }
footer .spalten { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 32px; padding-bottom: 28px; border-bottom: 1px solid #d7e3ef; }
footer h4 { margin: 0 0 10px; font-size: 13px; color: var(--text); font-weight: 600; }
footer p, footer li { line-height: 1.7; }
footer ul { list-style: none; margin: 0; padding: 0; }
footer a { color: var(--text-2); }
footer .unten { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding-top: 20px; }
footer .logo-klein { height: 28px; width: auto; margin-bottom: 12px; }

/* ---------- Rechtstexte ---------- */
.recht { padding: 64px 0 96px; }
.recht .wrap { max-width: 760px; }
.recht h1 { font-size: clamp(34px, 5vw, 48px); letter-spacing: -0.03em; margin-bottom: 32px; }
.recht h2 { font-size: 22px; margin: 40px 0 10px; letter-spacing: -0.015em; }
.recht h3 { font-size: 17px; margin: 22px 0 6px; }
.recht p, .recht li { color: var(--text-2); margin-bottom: 10px; }
.recht ul { padding-left: 20px; }
.recht .stand { color: var(--text-3); font-size: 14px; margin-top: 40px; }
.danke { text-align: center; padding: 120px 0; }
.danke .haken { width: 72px; height: 72px; border-radius: 50%; background: #eefaf3; color: var(--gruen); display: grid; place-items: center; margin: 0 auto 24px; }
.danke .haken svg { width: 36px; height: 36px; }
.danke h1 { font-size: clamp(34px, 5vw, 48px); letter-spacing: -0.03em; }
.danke p { color: var(--text-2); font-size: 19px; margin: 16px auto 32px; max-width: 34ch; }

/* ---------- Einblenden ---------- */
.einblenden { opacity: 0; transform: translateY(16px); transition: opacity .7s ease, transform .7s ease; }
.einblenden.sichtbar { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .einblenden { opacity: 1; transform: none; transition: none; }
}

/* ---------- Mobil ---------- */
@media (max-width: 900px) {
  .schnell .raster { grid-template-columns: 1fr; }
  .leistungen { grid-template-columns: 1fr; }
  .ueber { grid-template-columns: 1fr; gap: 36px; }
  .tipps { grid-template-columns: repeat(2, 1fr); }
  .kontakt { grid-template-columns: 1fr; }
  .kontakt-info { position: static; grid-template-columns: 1fr 1fr; }
  footer .spalten { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  .menu-knopf { display: block; }
  .nav ul {
    display: none; position: absolute; top: 60px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0; padding: 8px 16px 18px;
    background: rgba(255, 255, 255, .96); border-bottom: 1px solid rgba(0, 0, 0, .06);
    -webkit-backdrop-filter: blur(20px); backdrop-filter: blur(20px);
  }
  .nav.offen ul { display: flex; }
  .nav ul a { display: block; padding: 12px 6px; font-size: 17px; border-bottom: 1px solid #eef1f4; }
  .nav ul li:last-child a { border: 0; }
  .nav .knopf { margin-top: 10px; width: 100%; padding: 12px; font-size: 16px; }
}
@media (max-width: 600px) {
  body { font-size: 16px; }
  .wrap { padding: 0 16px; }
  .hero { padding: 64px 0 48px; }
  .hero-bild { margin-top: 44px; }
  section.block { padding: 72px 0; }
  .kopf { margin-bottom: 36px; }
  .karte, .formular { padding: 24px; }
  .tipps { grid-template-columns: 1fr; }
  .kontakt-info { grid-template-columns: 1fr; }
  .feldgruppe { grid-template-columns: 1fr; gap: 0; }
  .segment label { font-size: 13px; padding: 9px 2px; }
  footer .spalten { grid-template-columns: 1fr; }
}

/* Sichtbarkeit je Anliegen: Feinheiten */
.formular[data-art="stoerung"] .feld[data-nur~="stoerung"],
.formular[data-art="angebot"] .feld[data-nur~="angebot"],
.formular[data-art="frage"] .feld[data-nur~="frage"] { display: flex; }
.formular[data-art="stoerung"] span[data-nur~="stoerung"],
.formular[data-art="angebot"] span[data-nur~="angebot"],
.formular[data-art="frage"] span[data-nur~="frage"] { display: inline; }