/* Steinhalt · steinhalt.de */

@font-face { font-family: "Atkinson Hyperlegible"; font-weight: 400; font-style: normal; font-display: swap; src: url("fonts/atkinson-400.woff2") format("woff2"); }
@font-face { font-family: "Atkinson Hyperlegible"; font-weight: 700; font-style: normal; font-display: swap; src: url("fonts/atkinson-700.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-weight: 500; font-style: normal; font-display: swap; src: url("fonts/plexmono-500.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-weight: 600; font-style: normal; font-display: swap; src: url("fonts/plexmono-600.woff2") format("woff2"); }

:root {
  --granit: #1B2124;
  --granit-2: #3B4448;
  --schiefer: #5A6469;
  --kalk: #F1F2EF;
  --kalk-2: #E6E9E7;
  --linie: #D5D9D6;
  --weiss: #FFFFFF;
  --efeu: #2F5D50;
  --efeu-dunkel: #1F4238;
  --efeu-hell: #E2ECE7;
  --fest: #2E7D4F;
  --mangel: #E3A72F;
  --mangel-text: #6B4508;
  --gefahr: #A8221B;
  --sans: "Atkinson Hyperlegible", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;
  --breite: 1120px;
  --radius: 14px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--kalk);
  color: var(--granit);
  font-family: var(--sans);
  font-size: 18px;
  line-height: 1.55;
}

a { color: var(--efeu); text-underline-offset: 3px; }
a:hover { color: var(--efeu-dunkel); }
img, svg { display: block; }
h1, h2, h3 { line-height: 1.15; margin: 0; letter-spacing: -0.01em; hyphens: manual; overflow-wrap: break-word; }
p { margin: 0; }

.huelle { width: 100%; max-width: var(--breite); margin: 0 auto; padding: 0 20px; }
.mono { font-family: var(--mono); }

.sprung { position: absolute; left: -9999px; }
.sprung:focus { left: 16px; top: 16px; z-index: 10; background: var(--weiss); padding: 10px 14px; border-radius: 8px; }

:focus-visible { outline: 3px solid var(--efeu); outline-offset: 3px; }

/* Kopf */
.kopf { background: var(--kalk); border-bottom: 1px solid var(--linie); position: sticky; top: 0; z-index: 5; }
.kopf .huelle { display: flex; align-items: center; gap: 24px; min-height: 68px; flex-wrap: wrap; }
.marke { display: flex; align-items: center; gap: 10px; color: var(--granit); text-decoration: none; font-weight: 700; font-size: 22px; }
.nav { display: flex; gap: 22px; margin-left: auto; flex-wrap: wrap; }
.nav a { color: var(--granit-2); text-decoration: none; font-size: 16px; }
.nav a:hover { color: var(--granit); text-decoration: underline; }
.kopf .knopf { padding: 10px 18px; min-height: 44px; font-size: 16px; }

/* Knöpfe */
.knopf {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 56px; padding: 0 26px; border-radius: 14px; border: none;
  background: var(--efeu); color: var(--weiss); font: inherit; font-weight: 700; font-size: 18px;
  text-decoration: none; cursor: pointer;
}
.knopf:hover { background: var(--efeu-dunkel); color: var(--weiss); }
.knopf.zweit { background: transparent; color: var(--granit); border: 1.5px solid var(--granit); }
.knopf.zweit:hover { background: var(--weiss); color: var(--granit); }

/* Abschnitte */
.abschnitt { padding: 88px 0; }
.abschnitt.weiss { background: var(--weiss); border-top: 1px solid var(--linie); border-bottom: 1px solid var(--linie); }
.abschnitt.dunkel { background: var(--granit); color: var(--kalk); }
.kicker { font-family: var(--mono); font-size: 14px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--schiefer); margin-bottom: 14px; }
.dunkel .kicker { color: #A9C6BA; }
.abschnitt h2 { font-size: clamp(30px, 4vw, 42px); max-width: 760px; }
.einleitung { margin-top: 16px; font-size: 20px; color: var(--granit-2); max-width: 720px; }
.dunkel .einleitung { color: #C8CFCB; }

/* Start */
.start { padding: 72px 0 88px; }
.start .huelle { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr); gap: 56px; align-items: center; }
.hinweis { display: inline-flex; align-items: center; gap: 8px; background: var(--efeu-hell); color: var(--efeu-dunkel); border-radius: 999px; padding: 6px 14px; font-size: 15px; font-weight: 700; margin-bottom: 22px; }
.start h1 { font-size: clamp(38px, 5.4vw, 60px); letter-spacing: -0.02em; }
.start .einleitung { font-size: 21px; margin-top: 20px; }
.start .aktionen { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 32px; }
.start .fakten { display: flex; gap: 10px 22px; flex-wrap: wrap; margin-top: 28px; font-size: 16px; color: var(--granit-2); padding: 0; list-style: none; }
.start .fakten li { display: flex; align-items: flex-start; gap: 8px; }
.start .fakten svg { flex: none; margin-top: 4px; }

/* Telefon */
.telefon { width: 320px; max-width: 100%; margin: 0 auto; background: var(--granit); border-radius: 44px; padding: 12px; box-shadow: 0 30px 60px -30px rgba(27, 33, 36, 0.5); }
.bildschirm { background: var(--kalk); border-radius: 34px; padding: 22px 16px 18px; display: flex; flex-direction: column; gap: 12px; min-height: 600px; }
.bs-kopf { display: flex; align-items: center; gap: 8px; font-size: 14px; }
.bs-kopf b { font-size: 15px; }
.bs-kopf .grau { color: var(--schiefer); }
.bs-netz { margin-left: auto; font-size: 12px; background: var(--kalk-2); color: var(--granit-2); border-radius: 12px; padding: 3px 9px; }
.bs-balken { height: 4px; border-radius: 2px; background: #DCE0DD; overflow: hidden; }
.bs-balken span { display: block; width: 59%; height: 100%; background: var(--efeu); }
.bs-karte { background: var(--weiss); border: 1px solid var(--linie); border-radius: 16px; padding: 16px; display: flex; flex-direction: column; gap: 10px; }
.bs-klein { font-size: 11px; letter-spacing: 0.08em; font-weight: 700; color: var(--schiefer); }
.bs-grab { font-family: var(--mono); font-weight: 600; font-size: 40px; line-height: 1; letter-spacing: -0.02em; }
.bs-name { font-size: 15px; color: var(--granit-2); }
.bs-chips { display: flex; gap: 5px; flex-wrap: wrap; }
.bs-chips span { font-size: 12px; background: var(--kalk-2); border-radius: 6px; padding: 3px 8px; }
.bs-chips .alt { background: #FBEFD6; color: var(--mangel-text); }
.bs-test { border-top: 1px solid var(--kalk-2); padding-top: 10px; font-size: 13px; }
.bs-test b { display: block; font-size: 14px; }
.bs-leer { flex: 1; }
.bs-knopf { border-radius: 14px; display: flex; align-items: center; justify-content: center; gap: 8px; font-weight: 700; }
.bs-ok { height: 62px; background: var(--fest); color: var(--weiss); font-size: 19px; }
.bs-reihe { display: flex; gap: 8px; }
.bs-reihe .bs-knopf { flex: 1; height: 52px; font-size: 16px; }
.bs-mangel { background: var(--mangel); color: var(--granit); }
.bs-gefahr { background: var(--gefahr); color: var(--weiss); }

/* Zielgruppen */
.zwei { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; margin-top: 44px; }
.karte { background: var(--weiss); border: 1px solid var(--linie); border-radius: var(--radius); padding: 30px; }
.weiss .karte { background: var(--kalk); }
.karte h3 { font-size: 23px; margin-bottom: 10px; }
.karte p { color: var(--granit-2); }
.karte ul { margin: 14px 0 0; padding-left: 20px; color: var(--granit-2); }
.karte li { margin-top: 6px; }

/* Schritte */
.schritte { list-style: none; padding: 0; margin: 48px 0 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; counter-reset: schritt; }
.schritte li { background: var(--kalk); border: 1px solid var(--linie); border-radius: var(--radius); padding: 28px; counter-increment: schritt; }
.schritte li::before { content: counter(schritt); font-family: var(--mono); font-weight: 600; font-size: 15px; display: inline-flex; width: 36px; height: 36px; border-radius: 18px; background: var(--granit); color: var(--kalk); align-items: center; justify-content: center; margin-bottom: 18px; }
.schritte h3 { font-size: 22px; margin-bottom: 10px; }
.schritte p { color: var(--granit-2); }

/* Ergebnis */
.ergebnisse { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; margin-top: 40px; }
.ergebnis { border-radius: var(--radius); padding: 22px 24px; display: flex; flex-direction: column; gap: 8px; }
.ergebnis .titel { display: flex; align-items: center; gap: 10px; font-size: 21px; font-weight: 700; }
.ergebnis p { font-size: 16px; }
.e-fest { background: var(--fest); color: var(--weiss); }
.e-mangel { background: var(--mangel); color: var(--granit); }
.e-gefahr { background: var(--gefahr); color: var(--weiss); }

/* Funktionen */
.raster { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; margin-top: 48px; }
.funktion { background: var(--weiss); border: 1px solid var(--linie); border-radius: var(--radius); padding: 26px; }
.funktion svg { margin-bottom: 16px; }
.funktion h3 { font-size: 20px; margin-bottom: 8px; }
.funktion p { font-size: 17px; color: var(--granit-2); }

/* Protokoll */
.protokoll .huelle { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 56px; align-items: center; }
.liste { list-style: none; padding: 0; margin: 28px 0 0; display: flex; flex-direction: column; gap: 12px; }
.liste li { display: flex; gap: 12px; align-items: flex-start; }
.liste svg { flex: none; margin-top: 4px; }
.blatt { background: var(--weiss); color: var(--granit); border-radius: 10px; padding: 28px; font-size: 13px; box-shadow: 0 30px 60px -30px rgba(0, 0, 0, 0.6); }
.blatt .b-titel { font-size: 20px; font-weight: 700; border-top: 3px solid var(--granit); padding-top: 10px; }
.blatt .b-unter { color: var(--granit-2); margin-top: 2px; }
.blatt .b-felder { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px 18px; margin-top: 16px; }
.blatt .b-felder span { display: block; color: var(--schiefer); font-size: 11.5px; }
.blatt table { width: 100%; border-collapse: collapse; margin-top: 18px; font-size: 12px; }
.blatt th { text-align: left; background: var(--kalk); padding: 6px; }
.blatt td { padding: 7px 6px; border-bottom: 1px solid var(--kalk-2); vertical-align: top; }
.blatt .b-fuss { margin-top: 16px; font-family: var(--mono); font-size: 10.5px; color: var(--schiefer); display: flex; justify-content: space-between; gap: 10px; flex-wrap: wrap; }

/* Preis */
.preis .huelle { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 48px; align-items: start; }
.preiskarte { background: var(--weiss); border: 2px solid var(--granit); border-radius: 20px; padding: 36px; }
.betrag { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.betrag strong { font-family: var(--mono); font-size: 64px; font-weight: 600; letter-spacing: -0.03em; line-height: 1; }
.betrag > span { font-size: 19px; color: var(--granit-2); }
.betrag .eur { font-family: var(--sans); font-weight: 700; margin-left: 6px; }
.preiskarte .netto { margin-top: 8px; color: var(--schiefer); font-size: 16px; }
.preiskarte ul { list-style: none; padding: 0; margin: 24px 0 28px; display: flex; flex-direction: column; gap: 10px; }
.preiskarte li { display: flex; gap: 10px; align-items: flex-start; }
.preiskarte li svg { flex: none; margin-top: 5px; }
.pilotband { margin-top: 20px; background: var(--efeu-hell); color: var(--efeu-dunkel); border-radius: 12px; padding: 16px 18px; font-size: 17px; }

/* Formular */
.formular { background: var(--weiss); border: 1px solid var(--linie); border-radius: 20px; padding: 36px; margin-top: 44px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px 24px; }
.feld { display: flex; flex-direction: column; gap: 8px; }
.feld.breit { grid-column: 1 / -1; }
.feld label, .feld legend { font-weight: 700; font-size: 17px; }
.feld .optional { font-weight: 400; color: var(--schiefer); }
.feld input, .feld select, .feld textarea {
  font: inherit; font-size: 18px; color: var(--granit); background: var(--weiss);
  border: 1.5px solid #B9C0BC; border-radius: 12px; padding: 12px 14px; min-height: 52px; width: 100%;
}
.feld textarea { min-height: 120px; resize: vertical; }
.feld input:focus, .feld select:focus, .feld textarea:focus { border-color: var(--efeu); outline: 3px solid var(--efeu-hell); outline-offset: 0; }
.zustimmung { grid-column: 1 / -1; display: flex; gap: 12px; align-items: flex-start; font-size: 16px; color: var(--granit-2); }
.zustimmung input { width: 24px; height: 24px; flex: none; margin-top: 2px; accent-color: var(--efeu); }
.formular .senden { grid-column: 1 / -1; display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }
.meldung { font-size: 17px; }
.meldung.ok { color: var(--fest); font-weight: 700; }
.meldung.fehler { color: var(--gefahr); font-weight: 700; }
.falle { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* Fragen */
.fragen { margin-top: 40px; display: flex; flex-direction: column; gap: 12px; max-width: 820px; }
.fragen details { background: var(--kalk); border: 1px solid var(--linie); border-radius: var(--radius); padding: 0 24px; }
.fragen summary { cursor: pointer; font-weight: 700; font-size: 19px; padding: 20px 0; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.fragen summary::-webkit-details-marker { display: none; }
.fragen summary::after { content: "+"; font-family: var(--mono); font-size: 22px; line-height: 1; color: var(--efeu); }
.fragen details[open] summary::after { content: "–"; }
.fragen details p { padding: 0 0 22px; color: var(--granit-2); }

/* Fuß */
.fuss { background: var(--granit); color: #C8CFCB; padding: 48px 0; font-size: 16px; }
.fuss .huelle { display: flex; gap: 24px 40px; flex-wrap: wrap; align-items: flex-start; }
.fuss .marke { color: var(--kalk); }
.fuss nav { display: flex; gap: 22px; flex-wrap: wrap; margin-left: auto; }
.fuss a { color: var(--kalk); }
.fuss .klein { flex-basis: 100%; font-size: 14px; color: #9AA4A8; }

/* Rechtstexte */
.recht { padding: 64px 0 88px; }
.recht .huelle { max-width: 800px; }
.recht h1 { font-size: 40px; margin-bottom: 28px; }
.recht h2 { font-size: 23px; margin: 36px 0 10px; }
.recht p, .recht li { color: var(--granit-2); }
.recht p + p { margin-top: 12px; }
.recht ul { padding-left: 22px; }
.recht .platzhalter { background: #FBEFD6; color: var(--mangel-text); padding: 0 4px; border-radius: 4px; }

/* Schmal */
@media (max-width: 900px) {
  .start .huelle, .protokoll .huelle, .preis .huelle { grid-template-columns: minmax(0, 1fr); gap: 44px; }
  .schritte, .raster, .ergebnisse { grid-template-columns: minmax(0, 1fr); }
  .nav { display: none; }
  .kopf .knopf { margin-left: auto; }
}
@media (max-width: 640px) {
  body { font-size: 17px; }
  .abschnitt { padding: 64px 0; }
  .start { padding: 44px 0 64px; }
  .zwei, .formular { grid-template-columns: minmax(0, 1fr); }
  .formular, .preiskarte, .karte { padding: 24px; }
  .start .aktionen .knopf { width: 100%; }
  .betrag strong { font-size: 52px; }
}