/* Vorschaltseite bit-ag.com (Gestaltung: Baukasten Interimpage, Umsetzung 08.11.2026) */
@font-face {
  font-family: "Open Sans";
  src: url("/willkommen/fonts/OpenSans-Variable.ttf") format("truetype");
  font-weight: 300 800;
  font-stretch: 75% 100%;
  font-display: swap;
}

:root {
  --navy: #1a3358;          /* 26-51-88 */
  --box: #5f7090;           /* 26-51-88 mit 70 % auf Weiss */
  --pink: #c7145d;          /* 199-20-93 */
  --beige: #ab9679;         /* 171-150-121 */
  --hellblau: #699cd1;      /* 105-156-209 */
  --blau: #336ec2;          /* 51-110-194 */
  --text: #2b2b2b;
  --rand: 120px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: #3a3a3a;      /* 58-58-58 Hintergrund ausserhalb der Seite */
  font-family: "Open Sans", Arial, sans-serif;
  color: var(--text);
  font-size: 15px;
  line-height: 22px;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }

.seite { max-width: 1440px; margin: 0 auto; background: #fff; }

/* ---------- Kopf ---------- */
.kopf { position: relative; }
.kopf .bild { width: 100%; aspect-ratio: 1440 / 540; object-fit: cover; }
.kopf::after {               /* 6 px Abstand, feine Linie */
  content: ""; display: block; height: 6px; border-bottom: 1px solid var(--beige);
}
.band {
  position: absolute; left: 0; right: 0; top: 43px; height: 42px;
  background: rgba(255,255,255,.5);
}
.band .innen {
  height: 100%; margin: 0 var(--rand); padding-right: 150px;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.menue { display: flex; align-items: center; margin: 0; padding: 0; list-style: none; }
.menue li + li::before { content: "|"; color: var(--navy); margin: 0 1.1em; opacity: .8; }
.menue a {
  font-size: 13px; letter-spacing: .08em; text-transform: uppercase; text-decoration: none;
  color: var(--navy);
}
.menue a:hover, .menue a:focus-visible { color: var(--pink); }
.menue a[aria-current="page"] { color: var(--pink); font-weight: 800; }
.login {
  font-size: 12px; font-weight: 800; color: var(--pink); white-space: nowrap;
  text-decoration: underline; text-underline-offset: 2px;
}
.logo {
  position: absolute; top: 0; right: var(--rand); width: 134px; height: 124px;
  background: #fff; display: flex; align-items: center; justify-content: center;
}
.logo img { width: 134px; height: 123px; }

/* ---------- Inhalt ---------- */
main { padding: 0 var(--rand) 60px; }
h1 {
  margin: 42px 0 0; text-align: center; color: var(--navy);
  font-size: 50px; line-height: 1.15; font-weight: 400; letter-spacing: -.01em;
}
h1 strong { font-weight: 800; }
.unterzeile {
  margin: 22px auto 0; max-width: 900px; text-align: center;
  color: var(--pink); font-weight: 800; font-size: 15px; line-height: 22px;
}
.kasten {
  margin-top: 30px; background: var(--box); color: #fff; padding: 30px 30px 30px;
}
.kasten + .kasten { margin-top: 30px; }
.kasten p { margin: 0 0 22px; }
.kasten p:last-child { margin-bottom: 0; }
.kasten h2 {
  margin: 0 0 22px; font-size: 20px; line-height: 26px; font-weight: 800; text-transform: uppercase;
}
.kasten ul { margin: 0 0 22px; padding-left: 1.1em; }
.kasten .mehr { text-align: right; margin-top: 10px; }
.kasten .mehr a, .cta {
  font-weight: 800; text-decoration: none; color: #fff;
}
.kasten .mehr a:hover, .cta:hover { text-decoration: underline; }

/* Start */
.start-oben { display: grid; grid-template-columns: 555px 1fr; gap: 30px; align-items: start; }
.zeitstrahl { margin-top: 44px; }

/* Dienstleistung: Positionierung */
.position { display: grid; grid-template-columns: 1fr 360px 1fr; gap: 20px; align-items: center; }
.position .oben { grid-column: 1 / -1; text-align: center; }
.position .oben h2 { margin-bottom: 8px; font-size: 15px; }
.position .links h2, .position .rechts h2 { font-size: 15px; margin-bottom: 18px; }
.position .rechts { text-align: right; }
.kreis { position: relative; }
.kreis span {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 15px; letter-spacing: .04em;
}

/* Dienstleistung: Servicebausteine */
.bausteine { display: grid; grid-template-columns: repeat(3, 1fr) 2fr 1fr; gap: 10px; margin-top: 40px; }
.baustein {
  position: relative; background: #fff; color: var(--navy);
  border-radius: 0 0 16px 16px; padding: 22px 12px 18px;
  font-size: 12px; line-height: 17px;
}
.baustein .icon { position: absolute; top: -21px; right: -10px; width: 42px; height: 42px; }
.baustein h3 { margin: 0 0 10px; font-size: 18px; line-height: 22px; font-weight: 800; text-transform: uppercase; }
.baustein h4 { margin: 0 0 12px; font-size: 12px; line-height: 16px; font-weight: 800; }
.baustein p { margin: 0 0 6px; }
.baustein ul { margin: 0; padding-left: 0; list-style: none; }
.baustein li { padding-left: .9em; text-indent: -.9em; margin-bottom: 3px; }
.baustein li::before { content: "•"; display: inline-block; width: .9em; text-indent: 0; }
.baustein .zwei { display: grid; grid-template-columns: 1fr 1fr; gap: 0; }
.baustein .zwei > div + div { border-left: 1px solid var(--navy); padding-left: 12px; margin-left: 12px; }
.baustein .fuss { font-size: 10px; margin-top: 14px; }

/* Plattform */
.monitor { display: grid; grid-template-columns: 1fr minmax(0, 420px) 1fr; gap: 20px; align-items: end; margin-top: 30px; }
.monitor ul { list-style: none; padding: 0; margin: 0; font-weight: 600; }
.monitor .liste { border-top: 1px solid var(--pink); padding-top: 90px; position: relative; }
.monitor .liste::before {
  content: ""; position: absolute; top: -48px; width: 2px; height: 96px; background: var(--pink);
}
.monitor .links::before { right: 0; }
.monitor .rechts { text-align: right; }
.monitor .rechts::before { left: 0; }
.monitor h3 { margin: 0; font-size: 15px; font-weight: 800; }
.weiter-plattform { text-align: center; margin-top: 28px; }
.knopf {
  display: inline-block; background: var(--pink); color: #fff; font-weight: 800; text-decoration: none;
  padding: 10px 22px; letter-spacing: .02em;
}
.knopf:hover, .knopf:focus-visible { background: #a70f4d; }

/* Partner werden */
.partner { display: grid; grid-template-columns: 1fr 1.6fr; gap: 20px; align-items: center; }
.partner .cta { display: inline-block; margin-top: 18px; font-size: 16px; text-decoration: underline; }

/* ---------- Fuss ---------- */
.fuss-seite {
  background: var(--navy); color: #fff; text-align: center;
  padding: 60px var(--rand) 60px; font-size: 10px; line-height: 16px;
}
.fuss-seite h2 { font-size: 10px; margin: 0; font-weight: 800; }
.fuss-seite p { margin: 0 auto; max-width: 1200px; }
.fuss-seite .adresse { margin-top: 30px; font-weight: 800; }
.fuss-seite .recht { margin-top: 10px; }
.fuss-seite .recht a { margin: 0 .6em; }

/* ---------- schmalere Bildschirme ---------- */
@media (max-width: 1240px) {
  :root { --rand: 40px; }
  .band .innen { padding-right: 150px; }
  .menue li + li::before { margin: 0 .6em; }
  .bausteine { grid-template-columns: repeat(3, 1fr); row-gap: 40px; }
  .bausteine .breit { grid-column: span 2; }
}
@media (max-width: 960px) {
  :root { --rand: 16px; }
  h1 { font-size: 34px; margin-top: 30px; }
  .band { position: static; height: auto; background: #fff; border-bottom: 1px solid #e3e3e3; }
  .band .innen { margin: 0 var(--rand); padding: 10px 0; flex-wrap: wrap; gap: 8px; }
  .menue { flex-wrap: wrap; row-gap: 4px; }
  .logo { right: 16px; width: 84px; height: 78px; }
  .logo img { width: 84px; height: 77px; }
  .kopf::after { display: none; }
  .start-oben, .position, .partner { grid-template-columns: 1fr; }
  .position .rechts { text-align: left; }
  .kreis { max-width: 300px; margin: 0 auto; }
  .monitor { grid-template-columns: 1fr; }
  .monitor .bildspalte { order: -1; }
  .monitor .liste { border: 0; padding-top: 0; }
  .monitor .liste::before { display: none; }
  .monitor .rechts { text-align: left; }
  .bausteine { grid-template-columns: 1fr 1fr; }
  .fuss-seite { padding: 40px var(--rand); }
}
@media (max-width: 600px) {
  h1 { font-size: 28px; }
  .kasten { padding: 22px 16px; }
  .bausteine { grid-template-columns: 1fr; }
  .bausteine .breit { grid-column: auto; }
  .baustein .zwei { grid-template-columns: 1fr; }
  .baustein .zwei > div + div { border-left: 0; padding-left: 0; margin-left: 0; margin-top: 12px; }
}

/* Nachtrag: Seite fuellt den Bildschirm, Zeitstrahl als Liste auf schmalen Bildschirmen, Plattform-Linien */
.seite { min-height: 100vh; display: flex; flex-direction: column; }
main { flex: 1; }
.zeitstrahl-liste { display: none; }
.monitor { grid-template-columns: 1fr minmax(0, 620px) 1fr; }
.monitor .liste { border-top: 1px solid var(--pink); padding-top: 12px; }
.monitor .liste::before { display: none; }
@media (max-width: 960px) {
  .zeitstrahl { display: none; }
  ol.zeitstrahl-liste { display: block; list-style: none; padding: 0; margin: 26px 0 0; border-left: 2px solid #fff; }
  ol.zeitstrahl-liste li { padding: 0 0 14px 14px; position: relative; }
  ol.zeitstrahl-liste li::before { content: ""; position: absolute; left: -6px; top: 7px; width: 10px; height: 10px; border-radius: 50%; background: #fff; }
  ol.zeitstrahl-liste b { display: block; font-size: 20px; line-height: 26px; }
  ol.zeitstrahl-liste strong { display: block; }
  p.zeitstrahl-liste { display: block; font-size: 18px; line-height: 26px; margin-top: 10px; }
  .menue { column-gap: 16px; }
  .menue li + li::before { display: none; }
  .monitor .liste { border-top: 0; padding-top: 0; }
}

/* Partner-Login als auffaelliger Button (09.11.2026) */
.band .login {
  display: inline-flex; align-items: center; gap: .5em;
  background: var(--pink); color: #fff; text-decoration: none;
  font-size: 14px; font-weight: 800; letter-spacing: .03em; line-height: 1;
  padding: 0 20px; height: 34px; border-radius: 3px;
  box-shadow: 0 2px 8px rgba(0,0,0,.25);
  transition: background .15s, transform .15s;
}
.band .login::before {   /* Schloss-Symbol */
  content: ""; width: 14px; height: 14px; flex: none;
  background: currentColor;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 1a5 5 0 0 0-5 5v4H5v13h14V10h-2V6a5 5 0 0 0-5-5zm-3 9V6a3 3 0 0 1 6 0v4z'/%3E%3C/svg%3E") center / contain no-repeat;
          mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 1a5 5 0 0 0-5 5v4H5v13h14V10h-2V6a5 5 0 0 0-5-5zm-3 9V6a3 3 0 0 1 6 0v4z'/%3E%3C/svg%3E") center / contain no-repeat;
}
.band .login:hover, .band .login:focus-visible { background: #a70f4d; transform: translateY(-1px); }
.band .login:focus-visible { outline: 2px solid #fff; outline-offset: 2px; }
@media (max-width: 960px) {
  .band .login { width: 100%; justify-content: center; height: 44px; font-size: 15px; margin-top: 4px; }
}

/* Seit 09.11.2026 Standard: Schrift der Plattform (Verdana) statt Open Sans.
   Open Sans zum Vergleich mit ?schrift=open, zurueck mit ?schrift=verdana. Verdana hat kein Extra Bold -> Bold; laeuft breiter -> Groessen etwas kleiner. */
html.verdana body, html.verdana .menue a, html.verdana .login { font-family: Verdana, Geneva, "DejaVu Sans", sans-serif; }
html.verdana h1 { font-size: 42px; letter-spacing: 0; }
html.verdana .menue a { font-size: 12px; letter-spacing: .04em; }
html.verdana .band .login { font-size: 13px; letter-spacing: 0; }
html.verdana body { font-size: 14px; line-height: 21px; }
html.verdana .unterzeile { font-size: 14px; }
html.verdana .kasten h2 { font-size: 18px; }
html.verdana .baustein { font-size: 11px; line-height: 16px; }
html.verdana .baustein h3 { font-size: 15px; }
html.verdana .baustein h4 { font-size: 11px; }
html.verdana .fuss-seite { font-size: 9.5px; line-height: 15px; }
@media (max-width: 960px) { html.verdana h1 { font-size: 30px; } }
@media (max-width: 600px) { html.verdana h1 { font-size: 25px; } }
/* Fix 09.11.2026: Plattform-Raster auf schmalen Bildschirmen einspaltig (wurde vom Nachtrag oben ueberschrieben) */
@media (max-width: 960px) { .monitor { grid-template-columns: 1fr; } }

/* 08.11.2026: Erlaeuterung unter "Login" im Plattform-Menue */
.monitor .liste li .hinweis { display: block; font-size: .82em; font-weight: normal; opacity: .85; line-height: 1.35; margin-top: .15em; }