/* ============================================================
   Immo Rechenwerk — Design-System
   Orientiert an aitransparencyicon.com (Navy, Inter + Cormorant Garamond,
   eckige Flächen, Pill-Buttons, keine Schatten). Schriften lokal gehostet.
   ============================================================ */

@font-face { font-family: 'Inter'; font-weight: 200; font-style: normal; font-display: swap; src: url('fonts/inter-latin-200-normal.woff2') format('woff2'); }
@font-face { font-family: 'Inter'; font-weight: 300; font-style: normal; font-display: swap; src: url('fonts/inter-latin-300-normal.woff2') format('woff2'); }
@font-face { font-family: 'Inter'; font-weight: 400; font-style: normal; font-display: swap; src: url('fonts/inter-latin-400-normal.woff2') format('woff2'); }
@font-face { font-family: 'Inter'; font-weight: 500; font-style: normal; font-display: swap; src: url('fonts/inter-latin-500-normal.woff2') format('woff2'); }
@font-face { font-family: 'Inter'; font-weight: 600; font-style: normal; font-display: swap; src: url('fonts/inter-latin-600-normal.woff2') format('woff2'); }
@font-face { font-family: 'Inter'; font-weight: 700; font-style: normal; font-display: swap; src: url('fonts/inter-latin-700-normal.woff2') format('woff2'); }
@font-face { font-family: 'Cormorant Garamond'; font-weight: 400; font-style: normal; font-display: swap; src: url('fonts/cormorant-garamond-latin-400-normal.woff2') format('woff2'); }
@font-face { font-family: 'Cormorant Garamond'; font-weight: 400; font-style: italic; font-display: swap; src: url('fonts/cormorant-garamond-latin-400-italic.woff2') format('woff2'); }
@font-face { font-family: 'Cormorant Garamond'; font-weight: 500; font-style: normal; font-display: swap; src: url('fonts/cormorant-garamond-latin-500-normal.woff2') format('woff2'); }
@font-face { font-family: 'Cormorant Garamond'; font-weight: 600; font-style: normal; font-display: swap; src: url('fonts/cormorant-garamond-latin-600-normal.woff2') format('woff2'); }

:root {
  --bg: #f7f7f7;
  --surface: #ffffff;
  --surface-alt: #f1f1f1;
  --navy: #12295a;
  --navy-ink: #0e2148;
  --navy-soft: #e9edf5;
  --navy-line: #b7c3db;
  --on-dark: #f1f1f1;
  --border: #e2e2e2;
  --border-strong: #cfcfcf;
  --text: #3d3d3d;
  --text-muted: #5e5e5e;
  --text-faint: #6b6b6b;
  --ink: #2c2c2c;
  --green: #5cc98e;
  --green-ink: #0e2a1a;
  --green-soft: #e3f5ea;
  --good: #1f7a4a;
  --bad: #9c3b33;
  --bad-soft: #f6ebe9;
  --scenario-pess: #9c3b33;
  --scenario-mid: #12295a;
  --scenario-opt: #1f7a4a;
  --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-serif: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  --container: 1200px;
  --reading: 792px;
  --pill: 100px;
  --focus: 0 0 0 2px #fff, 0 0 0 4px #12295a;
  color-scheme: light;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: 'tnum' 1, 'cv11' 1;
}
img, svg { max-width: 100%; }
a { color: var(--navy); text-underline-offset: 3px; }
a:hover { color: var(--navy-ink); }
:focus-visible { outline: none; box-shadow: var(--focus); }
.hidden { display: none !important; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

h1, h2, h3, h4 { color: var(--navy-ink); font-family: var(--font-sans); margin: 0; line-height: 1.25; }
h2 { font-size: 1.5rem; font-weight: 500; letter-spacing: -0.01em; }
h3 { font-size: 1.05rem; font-weight: 600; }
p { margin: 0 0 1rem; }
.nr, .kpi .value, .glance-hero .value, .kpi-main .value, .steps li::before, .kennzahl-card h3, .term h2, .verkauf-regler label strong { font-feature-settings: 'lnum' 1, 'tnum' 1; }
em.serif, .serif { font-style: italic; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 32px; }
.skip-link { position: absolute; left: 16px; top: -60px; background: var(--navy); color: #fff; padding: 10px 18px; border-radius: var(--pill); z-index: 2000; }
.skip-link:focus { top: 12px; }

/* ---------- Header ---------- */
.site-header { background: var(--navy); color: var(--on-dark); position: sticky; top: 0; z-index: 900; }
.site-header .container { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 64px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 12px; color: #fff; text-decoration: none; font-weight: 600; font-size: 1.05rem; }
.brand:hover { color: #fff; }
.logo-mark { width: 32px; height: 32px; display: block; flex: none; }
.site-nav { display: flex; align-items: center; gap: 28px; }
.site-nav a { color: var(--on-dark); text-decoration: none; font-size: 0.92rem; padding: 6px 0; border-bottom: 1px solid transparent; }
.site-nav a:hover, .site-nav a[aria-current] { border-bottom-color: #fff; color: #fff; }
.site-nav a.nav-cta { border: 1px solid rgba(255,255,255,.7); border-radius: var(--pill); padding: 8px 22px; font-weight: 400; }
.site-nav a.nav-cta:hover { background: #fff; color: var(--navy); }

/* ---------- Hero ---------- */
.hero { background: var(--navy); color: var(--on-dark); padding: 48px 0 52px; }
.hero h1 { color: #fff; font-weight: 200; font-size: clamp(2rem, 4.4vw, 3.1rem); letter-spacing: -0.02em; max-width: 24ch; }
.hero h1 em { font-style: italic; }
.hero-sub { color: #d6dcea; font-weight: 300; max-width: 60ch; margin: 20px 0 24px; font-size: 1.08rem; }
.pills { display: flex; flex-wrap: wrap; gap: 10px; }
.pill { background: var(--green); color: var(--green-ink); border-radius: 999px; padding: 4px 14px; font-size: 0.8rem; font-weight: 500; }

.info-band { background: var(--navy-soft); border-bottom: 1px solid var(--navy-line); color: var(--navy); font-size: 0.86rem; }
.info-band .container { display: flex; gap: 14px; padding-top: 14px; padding-bottom: 14px; align-items: flex-start; }
.info-band .info-mark { flex: none; width: 18px; height: 18px; border: 1.5px solid var(--navy); border-radius: 50%; display: grid; place-items: center; font-size: 0.7rem; font-weight: 700; margin-top: 2px; }
.info-band p { margin: 0; line-height: 1.55; }
.info-inhalt { flex: 1; min-width: 0; }
.info-details { margin-top: 6px; }
.info-details summary { cursor: pointer; font-weight: 500; text-decoration: underline; text-underline-offset: 3px; width: fit-content; }
.info-details p { margin-top: 8px; }
.pill[tabindex]:focus-visible { box-shadow: 0 0 0 3px #fff; outline: none; }

/* ---------- Stepper ---------- */
.stepper { background: var(--surface); border-bottom: 1px solid var(--border); position: sticky; top: 64px; z-index: 800; }
.stepper ol { list-style: none; margin: 0 auto; padding: 14px 32px; max-width: var(--container); display: flex; align-items: center; gap: 16px; }
.stepper li { display: flex; align-items: center; gap: 12px; }
.stepper li + li { flex: 1; }
.stepper li + li::before { content: ''; flex: 1; height: 1px; background: var(--border-strong); min-width: 24px; }
.stepper a { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text-muted); font-size: 0.9rem; white-space: nowrap; }
.step-nr { width: 28px; height: 28px; border-radius: 50%; border: 1px solid var(--border-strong); display: grid; place-items: center; font-size: 0.8rem; background: #fff; }
.stepper a.aktiv { color: var(--navy-ink); font-weight: 600; }
.stepper a.aktiv .step-nr { border-color: var(--navy); background: var(--navy); color: #fff; }
.stepper a[aria-disabled='true'] { pointer-events: none; opacity: .55; }

/* ---------- Layout ---------- */
.layout { max-width: var(--container); margin: 0 auto; padding: 40px 32px 24px; display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 32px; align-items: start; }
.layout-main { display: grid; grid-template-columns: minmax(0, 1fr); gap: 24px; min-width: 0; }
.layout-aside { min-width: 0; position: sticky; top: 148px; display: grid; gap: 16px; }

.panel { background: var(--surface); border: 1px solid var(--border); padding: 32px; scroll-margin-top: 140px; }
.panel > h2 { display: flex; align-items: baseline; gap: 14px; margin-bottom: 4px; }
.panel > h2 .nr { font-family: var(--font-sans); font-size: 1.7rem; font-weight: 200; color: var(--navy); line-height: 1; }
.panel-lead { color: var(--text-muted); font-size: 0.92rem; margin: 6px 0 24px; }

fieldset.group { border: 0; border-top: 1px solid var(--border); margin: 28px 0 0; padding: 20px 0 0; min-width: 0; }
fieldset.group:first-of-type { margin-top: 8px; }
fieldset.group legend { padding: 0 16px 0 0; font-size: 0.74rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-faint); }
.field-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 20px 24px; margin-top: 10px; }
.field { position: relative; min-width: 0; }
.tilgung-modus { grid-column: 1 / -1; display: flex; flex-wrap: wrap; align-items: center; gap: 10px 16px; }
.tilgung-modus-label { font-size: 0.86rem; font-weight: 500; color: var(--ink); }
.segmented { display: inline-flex; flex-wrap: wrap; gap: 8px; }
.segmented label { position: relative; cursor: pointer; }
.segmented input { position: absolute; opacity: 0; inset: 0; width: 100%; height: 100%; margin: 0; cursor: pointer; }
.segmented span { display: inline-block; padding: 10px 18px; min-height: 44px; line-height: 24px; border: 1px solid #cfcfcf; border-radius: 100px; background: var(--surface); font-size: 0.86rem; font-weight: 500; color: var(--text); }
.segmented input:checked + span { background: var(--navy); border-color: var(--navy); color: #fff; }
.segmented input:focus-visible + span { outline: 2px solid var(--navy); outline-offset: 2px; }
.field label { display: flex; align-items: center; gap: 6px; font-size: 0.86rem; font-weight: 500; color: var(--ink); margin-bottom: 6px; line-height: 1.3; }
.pflicht { color: var(--bad); }
.pflicht-legende { font-size: 0.8rem; color: var(--text-faint); margin: 0; }

input[type='number'], input[type='text'], select {
  width: 100%; min-height: 46px; padding: 10px 14px; font: inherit; font-size: 1rem; color: var(--ink);
  background: #fff; border: 1px solid var(--border-strong); border-radius: 0; appearance: none; -moz-appearance: textfield;
  transition: border-color .15s ease, background-color .15s ease;
}
select { background-image: linear-gradient(45deg, transparent 50%, var(--navy) 50%), linear-gradient(135deg, var(--navy) 50%, transparent 50%); background-position: calc(100% - 20px) 50%, calc(100% - 14px) 50%; background-size: 6px 6px; background-repeat: no-repeat; padding-right: 36px; }
input[type='number']:hover, input[type='text']:hover, select:hover { border-color: var(--navy-line); }
input[type='number']:focus, input[type='text']:focus, select:focus { outline: none; border-color: var(--navy); box-shadow: 0 0 0 3px var(--navy-soft); }
input::-webkit-outer-spin-button, input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.input-wrap { position: relative; }
.input-wrap input { padding-right: 52px; }
.input-wrap .einheit { position: absolute; right: 14px; top: 50%; transform: translateY(-50%); color: var(--text-faint); font-size: 0.9rem; pointer-events: none; }
.field.extracted input { border-color: var(--green); background: #f4fbf7; }
.link-btn { background: none; border: 0; padding: 6px 0 0; min-height: 32px; color: var(--navy); font-size: 0.82rem; text-decoration: underline; text-underline-offset: 3px; cursor: pointer; }
.link-btn:hover { color: var(--navy-ink); }
.warnungen { list-style: none; margin: 16px 0 0; padding: 12px 16px; border-left: 3px solid #b7791f; background: #fbf3e2; font-size: 0.86rem; color: #5b3d08; display: grid; gap: 6px; }
.grenzsteuer-hilfe { grid-column: 1 / -1; font-size: 0.86rem; color: var(--text-muted); }
.grenzsteuer-hilfe summary { cursor: pointer; color: var(--navy); font-weight: 500; width: fit-content; text-decoration: underline; text-underline-offset: 3px; }
.grenzsteuer-hilfe p { margin: 8px 0 0; max-width: 70ch; }
.field.extracted label::after { content: 'geschätzt'; margin-left: auto; font-size: 0.68rem; font-weight: 500; letter-spacing: .04em; text-transform: uppercase; color: var(--good); background: var(--green-soft); padding: 1px 8px; border-radius: 999px; }

.info-icon { position: static; flex: none; width: 22px; height: 22px; border: 1px solid var(--border-strong); border-radius: 50%; display: inline-grid; place-items: center; font-size: 0.7rem; font-weight: 600; color: var(--text-muted); cursor: pointer; background: #fff; font-style: normal; }
.info-icon:hover, .info-icon:focus-visible, .info-icon[aria-expanded='true'] { border-color: var(--navy); color: var(--navy); }
.info-icon[aria-expanded='true'] { background: var(--navy-soft); }
.tooltip { display: none; }
.tooltip-inline { margin-top: 8px; background: var(--navy-ink); color: #fff; padding: 12px 14px; font-size: 0.8rem; font-weight: 400; line-height: 1.5; max-width: 52ch; }

.hint { font-size: 0.8rem; color: var(--text-muted); margin: 8px 0 0; }
.status { font-size: 0.88rem; color: var(--text-muted); margin: 6px 0; }
.status.error { color: var(--bad); font-weight: 500; }

/* ---------- Buttons ---------- */
button { font: inherit; cursor: pointer; }
.btn, #berechnen-btn, #pdf-export-btn {
  background: var(--navy); color: #fff; border: 1px solid var(--navy); border-radius: var(--pill);
  padding: 13px 32px; font-size: 0.95rem; font-weight: 500; letter-spacing: 0.01em; min-height: 46px;
  transition: background-color .15s ease, color .15s ease;
}
.btn:hover, #berechnen-btn:hover { background: var(--navy-ink); border-color: var(--navy-ink); }
button.secondary { background: transparent; color: var(--navy); border: 1px solid var(--navy); }
button.secondary:hover { background: var(--navy); color: #fff; }
#pdf-export-btn { display: inline-flex; flex-direction: column; align-items: center; gap: 3px; padding: 16px 40px; min-height: 66px; font-size: 1.05rem; }
#pdf-export-btn .btn-sub { font-size: 0.78rem; font-weight: 400; opacity: 0.85; }
#pdf-export-btn:hover { background: var(--navy-ink); border-color: var(--navy-ink); }
.hinweis-dezent { font-size: 0.82rem; color: #8a5a00; }
button:disabled { opacity: .5; cursor: not-allowed; }
.actions { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; margin-top: 28px; }

/* ---------- Auf einen Blick ---------- */
.glance { background: var(--surface); border: 1px solid var(--border); padding: 24px; min-height: 420px; }
.glance h2 { font-size: 0.74rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-faint); margin-bottom: 16px; }
.glance-hero { border-bottom: 1px solid var(--border); padding-bottom: 16px; margin-bottom: 8px; }
.glance-hero .label { font-size: 0.78rem; letter-spacing: .06em; text-transform: uppercase; color: var(--text-faint); }
.glance-hero .value { font-family: var(--font-serif); font-size: 2.6rem; font-weight: 500; color: var(--navy); line-height: 1.1; margin-top: 4px; }
.glance dl { margin: 0; }
.glance .row { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 2px 12px; padding: 9px 0; border-bottom: 1px solid var(--surface-alt); font-size: 0.88rem; }
.glance .row:last-child { border-bottom: 0; }
.glance dt { color: var(--text-muted); }
.glance dd { margin: 0; font-weight: 600; color: var(--ink); text-align: right; }
.glance .leer { color: var(--text-muted); font-size: 0.88rem; margin: 0; }
.glance .quelle { font-size: 0.74rem; color: var(--text-faint); margin: 12px 0 0; line-height: 1.5; }
.region-info { font-size: 0.78rem; color: var(--text-muted); line-height: 1.55; background: var(--surface); border: 1px solid var(--border); padding: 16px 20px; }
.region-info strong { color: var(--ink); }

/* ---------- Ergebnis ---------- */
.ergebnis-kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 0; border: 1px solid var(--border); margin-top: 20px; background: var(--surface-alt); }
.ergebnis-kpi { padding: 18px 20px; border-right: 1px solid var(--border); border-bottom: 1px solid var(--border); margin: 0 -1px -1px 0; min-width: 0; }
.ergebnis-kpi .label { font-size: 0.76rem; color: var(--text-muted); line-height: 1.35; }
.ergebnis-kpi .value { font-family: var(--font-serif); font-size: 2rem; font-weight: 500; color: var(--navy-ink); line-height: 1.15; margin: 4px 0; font-feature-settings: 'lnum' 1, 'tnum' 1; }
.ergebnis-kpi .value.neg { color: var(--bad); }
.ergebnis-kpi .value.pos { color: var(--good); }
.ergebnis-kpi .sub { font-size: 0.76rem; color: var(--text-faint); }
.result-block { margin-top: 36px; }
.result-block:first-of-type { margin-top: 24px; }
.result-block > h3 { font-size: 0.74rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-faint); margin-bottom: 8px; }
.cashflow-kpi { display: flex; gap: 32px; flex-wrap: wrap; margin: 12px 0 8px; }
.cashflow-kpi .kpi .label { font-size: 0.78rem; color: var(--text-muted); }
.cashflow-kpi .kpi .value { font-family: var(--font-serif); font-size: 2rem; font-weight: 500; color: var(--navy); line-height: 1.15; }
.cashflow-kpi .kpi .value.neg { color: var(--bad); }
.cashflow-kpi .kpi .value.pos { color: var(--good); }
.chart-wrap { width: 100%; margin-top: 8px; }
svg.chart { display: block; width: 100%; height: auto; font-family: var(--font-sans); overflow: visible; }
.cashflow-klickbereich { cursor: pointer; }
.cashflow-klickbereich:hover { fill: rgba(18, 41, 90, 0.06); }
.cashflow-klickbereich:focus-visible { outline: none; stroke: var(--navy); stroke-width: 2; }
.legend { display: flex; flex-wrap: wrap; gap: 18px; font-size: 0.82rem; color: var(--text-muted); margin: 10px 0 4px; }
.legend span { display: inline-flex; align-items: center; gap: 8px; }
.legend i { width: 20px; height: 3px; display: inline-block; }
.legend i.dot { width: 10px; height: 10px; border-radius: 50%; }
.legend i.bar { width: 10px; height: 10px; }
.legend i.bar.gut { background: #1f7a4a; }
.legend i.bar.schlecht { background: #9c3b33; }
.legend i.navy { background: #12295a; }
.legend i.band { width: 20px; height: 10px; background: rgba(18, 41, 90, 0.16); }
.legend i.gestrichelt { height: 0; border-top: 3px dashed #3d3d3d; background: none; }
.vermoegen-wrap { position: relative; touch-action: pan-y; cursor: ew-resize; -webkit-user-select: none; user-select: none; }
.vermoegen-wrap:focus-visible { outline: none; box-shadow: var(--focus); }
.verkauf-readout { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px 20px; margin: 14px 0 6px; padding: 14px 18px; background: var(--surface-alt); border: 1px solid var(--border); }
.verkauf-readout .label { display: block; font-size: 0.74rem; color: var(--text-muted); }
.verkauf-readout strong { font-family: var(--font-serif); font-size: 1.4rem; font-weight: 500; color: var(--navy-ink); font-feature-settings: 'lnum' 1, 'tnum' 1; }
.verkauf-readout strong.neg { color: var(--bad); }

.szenario-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(196px, 1fr)); gap: 16px; margin-top: 24px; }
.szenario-card { background: var(--surface); border: 1px solid var(--border); border-top: 4px solid var(--navy); padding: 22px 22px 20px; display: flex; flex-direction: column; min-width: 0; }
.szenario-card.pessimistisch { border-top-color: var(--scenario-pess); }
.szenario-card.mittel { border-top-color: var(--scenario-mid); }
.szenario-card.optimistisch { border-top-color: var(--scenario-opt); }
.szenario-card h3 { font-size: 0.74rem; letter-spacing: .1em; text-transform: uppercase; font-weight: 600; margin: 0 0 4px; color: var(--ink); }
.szenario-card.pessimistisch h3 { color: var(--scenario-pess); }
.szenario-card.optimistisch h3 { color: var(--scenario-opt); }
.szenario-card .annahmen { font-size: 0.78rem; color: var(--text-muted); margin: 0 0 14px; }
.szenario-card .szenario-hinweis { font-size: 0.76rem; color: var(--text-muted); margin: -8px 0 12px; font-style: italic; }
.szenario-card .neg { color: var(--bad); }
.szenario-card .kpi-main { border-bottom: 1px solid var(--border); padding-bottom: 14px; margin-bottom: 8px; }
.szenario-card .kpi-main .label { font-size: 0.78rem; color: var(--text-muted); }
.szenario-card .kpi-main .value { font-family: var(--font-serif); font-size: 2.7rem; font-weight: 500; line-height: 1.1; color: var(--ink); }
.szenario-card .kpi-main .value.neg { color: var(--bad); }
.szenario-card dl { margin: 0; flex: 1; }
.szenario-card .row { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 2px 12px; padding: 8px 0; font-size: 0.84rem; border-bottom: 1px solid var(--surface-alt); }
.szenario-card dt { color: var(--text-muted); flex: 1 1 120px; }
.szenario-card dd { margin: 0; font-weight: 600; color: var(--ink); text-align: right; flex: 0 1 auto; max-width: 100%; }
.szenario-card .row.sum dt, .szenario-card .row.sum dd { font-weight: 600; color: var(--navy-ink); }
.table-scroll { overflow-x: auto; margin-top: 12px; -webkit-overflow-scrolling: touch; }
table.sensitivity { width: 100%; border-collapse: collapse; font-size: 0.92rem; min-width: 520px; }
table.sensitivity th, table.sensitivity td { border: 1px solid var(--border); padding: 12px 14px; text-align: right; }
table.sensitivity th:first-child, table.sensitivity td:first-child { text-align: left; }
table.sensitivity thead th { background: var(--navy); color: #fff; font-weight: 500; font-size: 0.8rem; border-color: var(--navy); }
table.sensitivity tbody td:first-child { background: var(--surface-alt); font-weight: 500; color: var(--ink); }
table.sensitivity tbody td { font-weight: 600; color: var(--ink); }
.heat-legend { display: flex; align-items: center; gap: 10px; font-size: 0.76rem; color: var(--text-muted); margin-top: 10px; }
.heat-legend .scale { width: 140px; height: 8px; background: linear-gradient(90deg, #e9b9b3, #fff, #8fd6ae); border: 1px solid var(--border); }
.heat-legend .scale.positiv { background: linear-gradient(90deg, #f4fbf7, #8fd6ae); }

/* ---------- Content-Sektionen ---------- */
.content-section { padding: 64px 0; }
.content-section.alt { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-head { margin-bottom: 32px; max-width: var(--reading); }
.section-head .eyebrow { font-size: 0.74rem; letter-spacing: .12em; text-transform: uppercase; color: var(--text-faint); font-weight: 600; margin-bottom: 8px; }
.section-head h2 { font-weight: 300; font-size: clamp(1.7rem, 3vw, 2.3rem); }
.section-head h2 em { font-style: italic; }
.section-head p { color: var(--text-muted); margin-top: 12px; }

.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 0; border: 1px solid var(--border); background: var(--surface); counter-reset: step; }
.steps li { padding: 24px; border-right: 1px solid var(--border); counter-increment: step; min-width: 0; }
.steps li:last-child { border-right: 0; }
@media (max-width: 1099px) {
  .steps { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .steps li { grid-column: span 2; border-bottom: 1px solid var(--border); }
  .steps li:nth-child(3) { border-right: 0; }
  .steps li:nth-child(n+4) { grid-column: span 3; border-bottom: 0; }
  .steps li:nth-child(4) { border-right: 1px solid var(--border); }
  .steps li:nth-child(5) { border-right: 0; }
}
@media (max-width: 719px) {
  .steps { grid-template-columns: minmax(0, 1fr); }
  .steps li, .steps li:nth-child(n+4) { grid-column: auto; border-right: 0; border-bottom: 1px solid var(--border); }
  .steps li:last-child { border-bottom: 0; }
}
.steps li::before { content: counter(step); display: block; font-family: var(--font-sans); font-weight: 200; font-size: 2.6rem; color: var(--navy); line-height: 1; margin-bottom: 10px; }
.steps h3 { margin-bottom: 8px; font-size: 1rem; }
.steps p { margin: 0; font-size: 0.88rem; color: var(--text-muted); }

.kennzahl-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 0; border: 1px solid var(--border); background: var(--surface); }
.kennzahl-card { padding: 26px 28px; border-right: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.kennzahl-card .tag { font-size: 0.7rem; letter-spacing: .1em; text-transform: uppercase; color: var(--text-faint); font-weight: 600; }
.kennzahl-card h3 { font-family: var(--font-serif); font-size: 1.55rem; font-weight: 500; margin: 6px 0 8px; }
.kennzahl-card p { font-size: 0.9rem; color: var(--text-muted); margin: 0 0 10px; }
.kennzahl-card a { font-size: 0.85rem; }

.faq { max-width: var(--reading); border-top: 1px solid var(--border-strong); }
.faq details { border-bottom: 1px solid var(--border-strong); }
.faq summary { list-style: none; cursor: pointer; padding: 20px 44px 20px 0; position: relative; font-weight: 500; color: var(--navy-ink); font-size: 1.02rem; line-height: 1.4; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; position: absolute; right: 6px; top: 50%; transform: translateY(-50%); font-size: 1.5rem; font-weight: 200; color: var(--navy); }
.faq details[open] summary::after { content: '\2212'; }
.faq details > div { padding: 0 44px 22px 0; color: var(--text); font-size: 0.96rem; }
.faq details > div p { margin: 0; }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy); color: var(--on-dark); margin-top: 0; }
.site-footer .container { padding-top: 48px; padding-bottom: 32px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; }
.site-footer h2 { font-size: 0.74rem; letter-spacing: .12em; text-transform: uppercase; font-weight: 600; color: #aab6d1; margin-bottom: 14px; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.site-footer a { color: var(--on-dark); text-decoration: none; font-size: 0.92rem; }
.site-footer a:hover { text-decoration: underline; color: #fff; }
.site-footer .brand { margin-bottom: 14px; }
.footer-text { font-size: 0.82rem; color: #c9d2e6; max-width: 52ch; line-height: 1.6; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.18); margin-top: 36px; padding-top: 20px; font-size: 0.78rem; color: #aab6d1; }

/* ---------- Cookie-Banner ---------- */
#cookie-banner { position: fixed; left: 0; right: 0; bottom: 0; z-index: 1000; background: #fff; border-top: 3px solid var(--navy); padding: 20px 32px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 20px; box-shadow: 0 -8px 24px rgba(18,41,90,.12); }
#cookie-banner p { margin: 0; flex: 1 1 420px; font-size: 0.86rem; line-height: 1.55; color: var(--text); max-width: 960px; }
.cookie-banner-aktionen { display: flex; gap: 12px; flex-wrap: wrap; }
.cookie-banner-aktionen button { min-height: 46px; padding: 12px 28px; font-size: 0.95rem; letter-spacing: 0.01em; border-radius: var(--pill); font-weight: 500; }
.cookie-banner-aktionen button:not(.secondary) { background: var(--navy); color: #fff; border: 1px solid var(--navy); }
.cookie-banner-aktionen button:not(.secondary):hover { background: var(--navy-ink); }

/* ---------- Rechtstexte / Ratgeber (Lesebreite) ---------- */
.page-title { background: var(--navy); color: #fff; padding: 40px 0 44px; }
.page-title h1 { color: #fff; font-weight: 200; font-size: clamp(1.9rem, 4vw, 2.8rem); letter-spacing: -0.02em; }
.page-title p { color: #d6dcea; margin: 12px 0 0; max-width: 60ch; }
.page-title p a, .hero p a { color: #fff; text-decoration: underline; text-underline-offset: 2px; }
.page-title p a:hover, .hero p a:hover { color: #d6dcea; }
.breadcrumb { font-size: 0.8rem; color: #aab6d1; margin-bottom: 14px; }
.breadcrumb a { color: #d6dcea; }
.prose { max-width: var(--reading); margin: 0 auto; padding: 48px 32px 64px; }
.prose h2 { font-size: 1.3rem; margin: 40px 0 12px; font-weight: 500; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { margin: 26px 0 8px; }
.prose p, .prose li { font-size: 0.98rem; }
.prose .hint { font-size: 0.86rem; color: var(--text-muted); }
.prose .disclaimer { background: var(--navy-soft); border: 1px solid var(--navy-line); color: var(--navy); padding: 16px 20px; font-size: 0.86rem; margin-bottom: 28px; }
.prose code { background: var(--surface-alt); padding: 1px 6px; font-size: 0.88em; }
table.info { width: 100%; border-collapse: collapse; font-size: 0.88rem; margin: 16px 0 24px; }
table.info th, table.info td { border: 1px solid var(--border); padding: 10px 14px; text-align: left; vertical-align: top; }
table.info thead th { background: var(--navy); color: #fff; font-weight: 500; border-color: var(--navy); }
.term { scroll-margin-top: 90px; padding: 28px 0; border-bottom: 1px solid var(--border); }
.term:last-of-type { border-bottom: 0; }
.stand { margin: 6px 0 0; font-size: 0.8rem; color: var(--text-faint); }
.page-title .stand { color: rgba(255, 255, 255, 0.78); }
.term .kurz { margin: 0 0 14px; padding: 12px 16px; background: var(--navy-soft); border-left: 3px solid var(--navy); color: var(--navy-ink); font-size: 0.98rem; line-height: 1.55; }
table.daten { width: 100%; border-collapse: collapse; margin: 6px 0 18px; font-size: 0.92rem; }
table.daten caption { text-align: left; padding: 0 0 6px; font-size: 0.78rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-faint); }
table.daten th, table.daten td { padding: 9px 12px; border-bottom: 1px solid var(--border); vertical-align: top; overflow-wrap: anywhere; hyphens: auto; }
table.daten th { text-align: left; font-weight: 500; color: var(--text); width: 46%; }
table.daten td { text-align: right; font-weight: 600; color: var(--navy-ink); font-feature-settings: 'lnum' 1, 'tnum' 1; }
.formel-liste { margin: 8px 0 16px; padding-left: 20px; }
.formel-liste li { margin: 6px 0; line-height: 1.5; }
.term-hinweis, .section-hinweis { margin: 14px 0 0; padding-top: 10px; border-top: 1px solid var(--border); color: var(--text-faint); font-size: 0.8rem; line-height: 1.5; }
.section-hinweis { margin: 20px 0 0; border-top: 0; padding-top: 0; }
.term h2 { margin: 0 0 10px; font-family: var(--font-serif); font-size: 1.9rem; font-weight: 500; }
.toc { display: flex; flex-wrap: wrap; gap: 10px; margin: 0 0 12px; padding: 0; list-style: none; }
.toc a { display: inline-block; border: 1px solid var(--navy-line); background: var(--navy-soft); color: var(--navy); border-radius: 999px; padding: 5px 14px; font-size: 0.82rem; text-decoration: none; }
.toc a:hover { background: var(--navy); color: #fff; }

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .layout { grid-template-columns: minmax(0, 1fr); padding: 28px 20px 16px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid > :first-child { grid-column: 1 / -1; }
}
@media (max-width: 720px) {
  .container, .prose { padding-left: 20px; padding-right: 20px; }
  .site-header { position: static; }
  .site-header .container { padding-top: 10px; padding-bottom: 10px; }
  .stepper { top: 0; position: static; }
  .stepper ol { padding: 12px 20px; gap: 8px; }
  .stepper a span.step-text { display: none; }
  .stepper a.aktiv span.step-text { display: inline; }
  .hero { padding: 36px 0 44px; }
  .panel { padding: 22px 18px; }
  .content-section { padding: 44px 0; }
  .steps li { border-right: 0; border-bottom: 1px solid var(--border); }
  .steps li:last-child { border-bottom: 0; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  #cookie-banner { padding: 16px 20px; }
  .cookie-banner-aktionen { width: 100%; }
  .cookie-banner-aktionen button { flex: 1; }
  .verkauf-regler { padding: 16px; }
}

/* ---------- Mobil: Aufklapp-Menü (navigation.js setzt .nav-js; ohne JS bleibt die Navigation sichtbar) ---------- */
.nav-toggle { display: none; }
@media (max-width: 900px) {
  .nav-toggle { display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px; padding: 0; background: transparent; border: 1px solid rgba(255,255,255,.55); color: #fff; cursor: pointer; }
  .nav-toggle-icon, .nav-toggle-icon::before, .nav-toggle-icon::after { display: block; width: 20px; height: 2px; background: currentColor; position: relative; transition: transform .2s, background-color .2s; }
  .nav-toggle-icon::before, .nav-toggle-icon::after { content: ''; position: absolute; left: 0; }
  .nav-toggle-icon::before { top: -6px; }
  .nav-toggle-icon::after { top: 6px; }
  .nav-offen .nav-toggle-icon { background: transparent; }
  .nav-offen .nav-toggle-icon::before { transform: translateY(6px) rotate(45deg); }
  .nav-offen .nav-toggle-icon::after { transform: translateY(-6px) rotate(-45deg); }
  .site-header.nav-js .site-nav { display: none; }
  .site-header.nav-js.nav-offen .site-nav { display: flex; }
  .site-nav { width: 100%; flex-direction: column; align-items: stretch; gap: 0; padding: 4px 0 14px; }
  .site-nav a { padding: 13px 0; font-size: 1rem; border-bottom: 1px solid rgba(255,255,255,.15); }
  .site-nav a:hover, .site-nav a[aria-current] { border-bottom-color: rgba(255,255,255,.15); }
  .site-nav a[aria-current] { font-weight: 600; }
  .site-nav a.nav-cta { margin-top: 16px; padding: 11px 22px; text-align: center; border: 1px solid rgba(255,255,255,.7); }
}

/* ---------- Mobil/Tablet: „Auf einen Blick“ als einklappbare Leiste unten ---------- */
.glance-toggle { display: none; }
@media (max-width: 1100px) {
  .layout { padding-bottom: 96px; }
  .layout-aside { position: fixed; left: 0; right: 0; bottom: 0; top: auto; order: 0; z-index: 850; gap: 0; max-height: 78vh; overflow-y: auto; background: var(--surface); border-top: 3px solid var(--navy); box-shadow: 0 -8px 24px rgba(18,41,90,.12); transform: translateY(110%); transition: transform .2s ease; }
  .layout-aside.sichtbar { transform: none; }
  .layout-aside.sichtbar:has(.glance .leer), .layout-aside.sichtbar:has(#investitions-uebersicht:empty) { transform: translateY(110%); }
  .layout-aside .glance { position: relative; min-height: 0; border: 0; padding: 12px 20px; padding-right: 124px; }
  .layout-aside.offen .glance { padding-right: 20px; padding-top: 16px; }
  .glance-toggle { display: block; position: absolute; right: 16px; top: 12px; background: var(--navy); color: #fff; border: 0; border-radius: var(--pill); padding: 9px 18px; font: inherit; font-size: .86rem; font-weight: 500; cursor: pointer; }
  .layout-aside:not(.offen) .glance h2,
  .layout-aside:not(.offen) .glance dl,
  .layout-aside:not(.offen) .glance .quelle,
  .layout-aside:not(.offen) .region-info { display: none; }
  .layout-aside:not(.offen) .glance-hero { display: flex; align-items: baseline; flex-wrap: wrap; gap: 0 12px; border: 0; padding: 0; margin: 0; min-height: 44px; align-content: center; }
  .layout-aside:not(.offen) .glance-hero .value { font-size: 1.6rem; margin: 0; }
  .layout-aside:not(.offen) .glance .leer { min-height: 44px; display: flex; align-items: center; font-size: .84rem; }
  .layout-aside .region-info { border: 0; border-top: 1px solid var(--border); }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }

/* ---------- Ergänzungen ---------- */
details.erklaerung { border: 1px solid var(--border); background: var(--surface-alt); margin: 8px 0 20px; }
details.erklaerung summary { cursor: pointer; padding: 12px 16px; font-weight: 500; font-size: 0.9rem; color: var(--navy-ink); }
details.erklaerung .panel-lead { margin: 0 16px 14px; }
.stepper { transition: transform .2s ease, opacity .2s ease; }
.stepper.aus { transform: translateY(-100%); opacity: 0; pointer-events: none; }

/* ---------- Modus-Auswahl (Anleger / Eigenheim) ---------- */
.modus-wahl { background: var(--surface); border-bottom: 1px solid var(--border); padding: 18px 0; }
.modus-wahl .container { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.modus-karte { display: flex; flex-direction: column; gap: 2px; padding: 14px 18px; border: 1px solid var(--border); background: #fff; color: var(--navy-ink); text-decoration: none; }
.modus-karte strong { font-size: 1rem; font-weight: 600; }
.modus-karte span { font-size: 0.85rem; color: var(--text-muted); }
.modus-karte:hover { border-color: var(--navy); }
.modus-karte:focus-visible { outline: 3px solid var(--navy); outline-offset: 2px; }
.modus-karte.aktiv { border-color: var(--navy); box-shadow: inset 3px 0 0 var(--navy); background: var(--accent-tint, #e9edf5); }
@media (max-width: 560px) { .modus-wahl .container { grid-template-columns: 1fr; } }
.kaufen-mieten-gruppe { margin-top: 20px; }
.hinweis-zeile { display: block; margin: 4px 0; }
.sensitivity td .sub { font-size: 0.78rem; color: var(--text-muted); }

/* ---------- Aufklappbare Ergebnisbereiche ---------- */
details.aufklapp { border: 1px solid var(--border); background: var(--surface-alt); margin: 8px 0 20px; }
details.aufklapp > summary { cursor: pointer; padding: 12px 16px; font-weight: 500; font-size: 0.9rem; color: var(--navy-ink); }
details.aufklapp > summary h3 { display: inline; margin: 0; font: inherit; font-weight: 600; }
details.aufklapp > *:not(summary) { margin-left: 16px; margin-right: 16px; }
details.aufklapp[open] { padding-bottom: 16px; }

/* ---------- Rechner-Kopf: Modus-Auswahl + Schritte direkt über den Objektdaten ---------- */
.rechner-kopf { display: grid; gap: 16px; }
.rechner-kopf .modus-wahl { background: none; border: 0; padding: 0; }
.rechner-kopf .modus-wahl .container { max-width: none; padding: 0; }
.rechner-kopf .stepper { position: static; background: none; border: 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.rechner-kopf .stepper ol { max-width: none; padding: 14px 0; }