/* Servana – Blau und Hellblau, Schrift Mona Sans (Lizenz: fonts/OFL.txt) */
@font-face { font-family: "Mona Sans"; src: url("fonts/MonaSans-Regular.woff2") format("woff2"); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: "Mona Sans"; src: url("fonts/MonaSans-Medium.woff2") format("woff2"); font-weight: 500; font-style: normal; font-display: swap; }
@font-face { font-family: "Mona Sans"; src: url("fonts/MonaSans-SemiBold.woff2") format("woff2"); font-weight: 600; font-style: normal; font-display: swap; }
@font-face { font-family: "Mona Sans"; src: url("fonts/MonaSans-Bold.woff2") format("woff2"); font-weight: 700; font-style: normal; font-display: swap; }
@font-face { font-family: "Mona Sans"; src: url("fonts/MonaSans-ExtraBold.woff2") format("woff2"); font-weight: 800; font-style: normal; font-display: swap; }

:root {
    --weiss: #ffffff;
    --blau: #3150ff;
    --blau-dunkel: #2238c9;
    --hellblau: #67eef9;
    --blau-zart: #eef1ff;
    --cyan-zart: #e9f9fe;
    --navy: #0f172a;
    --nacht: #020617;
    --text: #47566b;
    --grau: #64748b;
    --linie: #dde4ee;
    --hellgrau: #f8fafc;
    --fuss-text: #c8d1df;
    --feld: #c3cad8;
    --radius: 14px;
    --breite: 1160px;
    --schrift: "Mona Sans", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
    --schrift-titel: "Mona Sans", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { font-size: 16px; scroll-behavior: smooth; scroll-padding-top: 90px; }
body { margin: 0; background: var(--weiss); color: var(--text); font-family: var(--schrift); font-size: clamp(16px, 1rem + ((1vw - 3.2px) * 0.227), 18px); font-weight: 400; line-height: 1.7; -webkit-font-smoothing: antialiased; }

/* Grössen wie the7.io: H1 32–44px, H2 30–36px, Karten-Titel 24px, Text 16–18px */
h1, h2, h3 { font-family: var(--schrift-titel); color: var(--navy); line-height: 1.3; letter-spacing: -0.02em; font-weight: 600; }
h1 { font-size: clamp(32px, 2rem + ((1vw - 3.2px) * 1.364), 44px); line-height: 1.2; margin: 0 0 .6em; }
h2 { font-size: clamp(30px, 1.875rem + ((1vw - 3.2px) * 0.682), 36px); margin: 0 0 .8rem; }
h2.gross { margin-bottom: 2rem; max-width: 24ch; }
h3 { font-size: 24px; margin: 0 0 .6rem; letter-spacing: -0.01em; }
a { color: var(--blau); text-underline-offset: 3px; }
a:hover { color: var(--blau-dunkel); }
p { max-width: 68ch; }

.innen { max-width: var(--breite); margin: 0 auto; padding: 0 1.3rem; }
.sprung { position: absolute; left: -999px; }
.sprung:focus { left: 1rem; top: 1rem; background: var(--weiss); padding: .5rem 1rem; z-index: 20; }

.ueberzeile { color: var(--blau); font-weight: 600; text-transform: uppercase; letter-spacing: .12em; font-size: 13px; margin: 0 0 .8rem; }

/* Icons */
.icon { width: 1.5rem; height: 1.5rem; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; flex: none; }

/* Knöpfe */
.knopf {
    display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
    background: var(--blau); color: var(--weiss); border: 2px solid var(--blau);
    padding: .8rem 1.5rem; border-radius: 6px; font: inherit; font-weight: 700;
    text-decoration: none; cursor: pointer; transition: background .15s, border-color .15s, color .15s;
}
.knopf:hover { background: var(--blau-dunkel); border-color: var(--blau-dunkel); color: var(--weiss); }
.knopf.rand { background: transparent; color: var(--blau); }
.knopf.rand:hover { background: var(--blau); color: var(--weiss); }
.knopf.hell { background: var(--weiss); border-color: var(--weiss); color: var(--blau); }
.knopf.hell:hover { background: var(--hellblau); border-color: var(--hellblau); color: var(--navy); }
.knopf.klein { padding: .5rem 1.1rem; font-size: .92rem; }
.knopf.breit { width: 100%; padding: .95rem 1.5rem; font-size: 1.05rem; }
.knoepfe { display: flex; gap: .9rem; flex-wrap: wrap; margin-top: 2rem; }

/* Menü */
.kopf { background: var(--nacht); border-bottom: 1px solid rgba(255, 255, 255, .08); position: sticky; top: 0; z-index: 10; transition: box-shadow .2s; }
.kopf.gescrollt { box-shadow: 0 10px 30px -12px rgba(15, 20, 35, .55); }
.kopf-innen { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; min-height: 76px; }
.marke { display: flex; align-items: center; gap: .6rem; color: var(--weiss); text-decoration: none; font-family: var(--schrift-titel); font-weight: 600; font-size: 23px; letter-spacing: -0.02em; }
.marke:hover { color: var(--weiss); }
.marke .logo-symbol { width: 34px; height: 34px; flex: none; }
.menue { display: flex; align-items: center; gap: 2rem; }
.menue a:not(.knopf) { color: #d4dbea; text-decoration: none; font-weight: 500; font-size: .98rem; transition: color .15s; }
.menue a:not(.knopf):hover, .menue a[aria-current]:not(.knopf) { color: var(--weiss); }
.menue-schalter { display: none; }
.burger { display: none; }

main { padding-bottom: 1rem; }

/* Startseite */
/* Wie the7.io: dunkler Verlauf von Nachtblau über Blau zu Hellblau */
.held { position: relative; overflow: hidden; padding: 6rem 0 6.5rem; color: var(--fuss-text);
    background: linear-gradient(110deg, #171c2c 46%, #3150ff 70%, #2cd9ed 100%); }
.held h1 { color: var(--weiss); }
.held .ueberzeile { color: var(--hellblau); }
.held .knopf.rand { color: var(--weiss); border-color: rgba(255, 255, 255, .7); }
.held .knopf.rand:hover { background: var(--weiss); color: var(--blau); border-color: var(--weiss); }
.held h1 { max-width: 26ch; }
.held h1 span { color: var(--hellblau); }
.held .unter { color: var(--fuss-text); max-width: 56ch; margin: 0; }

.abschnitt { padding: 4.5rem 1.3rem; }
.band { background: var(--hellgrau); padding: 4.5rem 0; }

.icon-karten { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1.5rem; }
.icon-karte {
    display: flex; flex-direction: column; background: var(--weiss); border: 1px solid var(--linie);
    border-radius: var(--radius); padding: 2rem 1.8rem; color: var(--text); text-decoration: none;
    transition: transform .2s, box-shadow .2s, border-color .2s;
}
a.icon-karte:hover, .icon-karte:hover { transform: translateY(-4px); box-shadow: 0 22px 40px -24px rgba(49, 80, 255, .45); border-color: transparent; color: var(--text); }
.icon-feld {
    width: 4.2rem; height: 4.2rem; border-radius: 14px; display: grid; place-items: center; margin-bottom: 1.6rem;
    background: linear-gradient(140deg, #4a66ff 0%, var(--blau) 55%, #2a40e0 100%); color: var(--weiss);
    box-shadow: 0 14px 28px -12px rgba(49, 80, 255, .75), inset 0 1px 0 rgba(255, 255, 255, .25);
}
.icon-feld .icon { width: 2rem; height: 2rem; stroke-width: 1.6; }
.icon-karte p { margin: 0 0 1rem; color: var(--text); flex: 1; }
.icon-karte .weiter { display: inline-flex; align-items: center; gap: .4rem; color: var(--blau); font-weight: 700; }
.icon-karte .weiter .icon { width: 1.1rem; height: 1.1rem; transition: transform .2s; }
.icon-karte:hover .weiter .icon { transform: translateX(4px); }

.kontakt-band {
    display: flex; justify-content: space-between; align-items: center; gap: 1.5rem; flex-wrap: wrap;
    background: linear-gradient(120deg, var(--blau), #3f74ff); color: #e6ecff; border-radius: var(--radius); padding: 2.4rem 2.6rem;
}
.kontakt-band h2 { color: var(--weiss); margin-bottom: .4rem; font-size: 24px; }
.kontakt-band p { margin: 0; }

/* Unterseiten: Kopfbereich mit gleichem Verlauf wie die Startseite */
.seitenkopf { padding: 4.5rem 0 4rem; color: var(--fuss-text);
    background: linear-gradient(110deg, #171c2c 46%, #3150ff 70%, #2cd9ed 100%); }
.seitenkopf h1 { color: var(--weiss); margin: 0; }
.seitenkopf .ueberzeile { color: var(--hellblau); }
.seitenkopf .unter { margin: .8rem 0 0; color: var(--fuss-text); max-width: 56ch; }

/* Ablauf in 3 Schritten */
.schritte { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; counter-reset: s; }
.schritte li { position: relative; padding: 2rem 1.8rem; border-radius: var(--radius); border: 1px solid var(--linie); background: var(--weiss); }
.schritt-nr { display: inline-block; font-family: var(--schrift-titel); font-weight: 600; font-size: 44px; line-height: 1; letter-spacing: -0.03em; margin-bottom: 1.2rem;
    background: linear-gradient(110deg, #3150ff, #2cd9ed); -webkit-background-clip: text; background-clip: text; color: transparent; }
.schritte p { margin: 0; color: var(--text); }

/* Häufige Fragen zum Aufklappen */
.faq-raster { display: grid; grid-template-columns: 1fr 1.6fr; gap: 3rem; align-items: start; }
.faq details { background: var(--weiss); border: 1px solid var(--linie); border-radius: var(--radius); margin-bottom: .8rem; }
.faq summary { cursor: pointer; list-style: none; padding: 1.1rem 3.2rem 1.1rem 1.4rem; font-weight: 600; color: var(--navy); position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 1.3rem; top: 50%; transform: translateY(-50%); width: 1.7rem; height: 1.7rem; border-radius: 50%;
    display: grid; place-items: center; background: var(--blau-zart); color: var(--blau); font-size: 1.2rem; font-weight: 600; transition: transform .2s; }
.faq details[open] summary::after { content: "–"; background: var(--blau); color: var(--weiss); }
.faq details p { margin: 0; padding: 0 1.4rem 1.2rem; color: var(--text); }

/* Texte */
.text { padding-top: 3rem; padding-bottom: 3rem; }
.text h2 { margin-top: 2rem; }
.schmal { max-width: 680px; padding-top: 3rem; padding-bottom: 3rem; }

/* Formular */
.karte { background: var(--weiss); border: 1px solid var(--linie); border-radius: var(--radius); box-shadow: 0 20px 44px -28px rgba(29, 39, 58, .4); padding: 1.8rem; }
.formular { display: grid; gap: 1.1rem; margin: 1.4rem 0; }
.formular label { display: grid; gap: .35rem; font-weight: 600; color: var(--navy); font-size: .95rem; }
.formular input, .formular textarea {
    font: inherit; padding: .75rem .9rem; border: 1px solid var(--feld); border-radius: 6px; background: var(--weiss); width: 100%; color: var(--text);
}
.formular input:focus, .formular textarea:focus { border-color: var(--blau); outline: none; box-shadow: 0 0 0 4px rgba(49, 80, 255, .15); }
.formular .check { display: flex; gap: .6rem; align-items: flex-start; font-weight: 400; color: var(--text); }
.formular .check input { width: auto; margin-top: .4rem; accent-color: var(--blau); }
.falle { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.hilfe { color: var(--grau); font-size: .9rem; }
.hinweis { padding: .85rem 1.1rem; border-radius: 8px; margin: 0 0 1rem; max-width: none; }
.hinweis.ok { background: #e4f6ec; color: #14532d; }
.hinweis.fehler { background: #fde6e6; color: #7f1d1d; }
.hinweis.info { background: var(--cyan-zart); color: #0b4a5e; }

/* Footer */
.fuss { background: var(--nacht); color: var(--fuss-text); margin-top: 2rem; font-size: .95rem; }
.fuss a { color: var(--fuss-text); text-decoration: none; }
.fuss a:hover { color: var(--hellblau); }
.fuss h2 { color: var(--weiss); font-size: 13px; text-transform: uppercase; letter-spacing: .14em; margin: .4rem 0 1rem; }
.fuss p { margin: 0 0 .8rem; }
.fuss-spalten { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 2.5rem; padding-top: 3.5rem; padding-bottom: 2.5rem; }
.fuss .marke-hell { color: var(--weiss); margin-bottom: 1rem; }
.fuss .marke-hell:hover { color: var(--weiss); }
.fuss-unten { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; padding-top: 1.3rem; padding-bottom: 1.6rem; border-top: 1px solid rgba(255, 255, 255, .1); font-size: .88rem; }
.fuss-links { display: flex; gap: 1.4rem; }

/* Handy */
@media (max-width: 820px) {
    .kopf-innen { min-height: 64px; flex-wrap: wrap; }
    .burger { display: grid; place-items: center; width: 44px; height: 44px; cursor: pointer; border-radius: 8px; }
    .burger span, .burger span::before, .burger span::after { display: block; width: 22px; height: 2px; background: var(--weiss); border-radius: 2px; position: relative; transition: transform .2s, background .2s; }
    .burger span::before, .burger span::after { content: ""; position: absolute; left: 0; }
    .burger span::before { top: -7px; }
    .burger span::after { top: 7px; }
    .menue { display: none; width: 100%; flex-direction: column; align-items: stretch; gap: 0; padding: .5rem 0 1rem; }
    .menue a:not(.knopf) { padding: .8rem 0; border-bottom: 1px solid rgba(255, 255, 255, .12); }
        .menue .knopf { margin-top: 1rem; }
    .menue-schalter:checked ~ .menue { display: flex; }
    .menue-schalter:checked + .burger span { background: transparent; }
    .menue-schalter:checked + .burger span::before { transform: translateY(7px) rotate(45deg); }
    .menue-schalter:checked + .burger span::after { transform: translateY(-7px) rotate(-45deg); }
    .held { padding: 3rem 0 3.5rem; }
    .abschnitt, .band { padding-top: 3rem; padding-bottom: 3rem; }
    .icon-karten, .schritte, .faq-raster { grid-template-columns: 1fr; }
    .faq-raster { gap: 1.5rem; }
    .seitenkopf { padding: 3rem 0 2.8rem; }
    .fuss-spalten { grid-template-columns: 1fr; gap: 1.5rem; }
    .kontakt-band { padding: 1.8rem; }
}