/* ==========================================================================
   Business-Bereich (data-bereich="business": Anthrazit + Bernstein)
   /unternehmen, /unternehmen-kontakt, /unternehmen-danke, /partner-werden
   Präfix .b2b-  ·  Baut auf tokens.css auf
   ========================================================================== */

.b2b-main {
  --b2b-bernstein: #c98a1b;
  --b2b-bernstein-weich: #f7efdf;
  --b2b-tinte: #1f2329;
  --b2b-tinte-auf: #ffffff;
  position: relative; isolation: isolate; overflow-x: clip;
  padding: clamp(32px, 5vw, 64px) 0 clamp(64px, 9vw, 112px);
  background: var(--rf-hg); color: var(--rf-text); font-family: var(--rf-schrift-text);
}
[data-theme="dark"] .b2b-main {
  --b2b-bernstein: #e2b04a;
  --b2b-bernstein-weich: rgba(226, 176, 74, .12);
  --b2b-tinte: #e2b04a;
  --b2b-tinte-auf: #1a1306;
}
.b2b-main::before {
  content: ""; position: absolute; inset: -84px 0 auto; height: 620px; z-index: -1; pointer-events: none;
  background:
    radial-gradient(700px 380px at 85% 10%, color-mix(in oklab, var(--b2b-bernstein) 14%, transparent), transparent 70%),
    linear-gradient(var(--rf-rand) 1px, transparent 1px) 0 0 / 56px 56px,
    linear-gradient(90deg, var(--rf-rand) 1px, transparent 1px) 0 0 / 56px 56px;
  -webkit-mask: radial-gradient(ellipse 70% 80% at 60% 0%, #000, transparent 75%); mask: radial-gradient(ellipse 70% 80% at 60% 0%, #000, transparent 75%);
  opacity: .9;
}
.b2b-main h1, .b2b-main h2, .b2b-main h3 { font-family: var(--rf-schrift-titel); color: var(--rf-text); text-wrap: balance; }
.b2b-main p { text-wrap: pretty; }
.b2b-container { width: 100%; max-width: calc(var(--rf-breite) + 2 * var(--rf-seitenrand)); margin-inline: auto; padding-inline: var(--rf-seitenrand); }
.b2b-sr-only { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.reveal-b2b { }  /* Inhalte sind sofort sichtbar (keine verzögerten Einblendungen) */

/* ── Kopf ────────────────────────────────────────────────────────────────── */
.b2b-intro, .page-hero { max-width: 760px; margin: 0 0 clamp(32px, 5vw, 48px); }
.page-hero { margin-inline: auto; text-align: center; }
.b2b-eyebrow { display: inline-flex; align-items: center; gap: 10px; margin: 0; font: 700 13px/1 var(--rf-schrift-text); letter-spacing: .08em; text-transform: uppercase; color: var(--b2b-bernstein); }
.b2b-eyebrow::before { content: ""; width: 22px; height: 2px; border-radius: 2px; background: currentColor; }
.b2b-title, .page-hero h1 { font-size: clamp(34px, 4.6vw, 58px); line-height: 1.04; letter-spacing: -.04em; font-weight: 800; margin: 16px 0 18px; }
.b2b-intro-text, .page-hero .subtitle { margin: 0; font-size: clamp(16px, 1.4vw, 18px); line-height: 1.65; color: var(--rf-text-2); }

/* ── Layout ──────────────────────────────────────────────────────────────── */
.b2b-layout { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 24px; align-items: start; }
.partner-layout-grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(24px, 4vw, 56px); align-items: start; }
.b2b-aside { display: grid; gap: 16px; position: sticky; top: calc(var(--header-h, 84px) + 20px); }

/* ── Karten ──────────────────────────────────────────────────────────────── */
.b2b-form-card, .partner-form-card, .b2b-card, .benefit-card {
  background: var(--rf-flaeche); border: 1px solid var(--rf-rand); border-radius: 28px;
}
.b2b-form-card, .partner-form-card { padding: clamp(22px, 3.4vw, 40px); box-shadow: var(--rf-schatten-lg); }
.partner-form-card > #b2b-form-wrap > h2 { font-size: 24px; letter-spacing: -.025em; margin: 0 0 6px; font-weight: 800; }
.partner-form-card > #b2b-form-wrap > p { margin: 0 0 24px; color: var(--rf-text-2); font-size: 15px; }
.b2b-card { padding: 22px; }
.b2b-card-title { font-size: 16px; letter-spacing: -.01em; margin: 0 0 4px; font-weight: 750; }
.b2b-card-sub { margin: 0 0 14px; font-size: 13.5px; color: var(--rf-text-3); }

/* Partner: Vorteile */
.partner-content-text h2 { font-size: clamp(24px, 2.6vw, 32px); letter-spacing: -.03em; font-weight: 800; margin: 0 0 14px; }
.partner-content-text > p { margin: 0 0 24px; color: var(--rf-text-2); line-height: 1.65; }
.partner-benefits-list { display: grid; gap: 12px; }
.benefit-card { padding: 20px; }
.benefit-header { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; }
.benefit-icon { display: grid; place-items: center; width: 40px; height: 40px; flex: none; border-radius: 12px; background: var(--b2b-bernstein-weich); color: var(--b2b-bernstein); }
.benefit-title { font-weight: 700; font-size: 15.5px; }
.benefit-description { margin: 0; color: var(--rf-text-2); font-size: 14.5px; line-height: 1.55; }

/* ── Formular ────────────────────────────────────────────────────────────── */
.b2b-form fieldset { border: 0; padding: 0; margin: 0 0 30px; min-width: 0; }
.b2b-form legend { display: flex; align-items: center; gap: 12px; width: 100%; padding: 0; margin-bottom: 16px; font: 750 15px/1 var(--rf-schrift-titel); letter-spacing: -.01em; color: var(--rf-text); }
.b2b-form legend::after { content: ""; flex: 1; height: 1px; background: var(--rf-rand); }
.b2b-fields { display: grid; gap: 16px; }
.b2b-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.b2b-field { display: grid; gap: 7px; min-width: 0; }
.b2b-label { font-size: 14px; font-weight: 650; color: var(--rf-text); }
.b2b-opt { margin-left: 6px; font-size: 12px; font-weight: 550; color: var(--rf-text-3); }
.b2b-input, .b2b-select, .b2b-textarea {
  width: 100%; min-height: 48px; padding: 0 15px; border-radius: 13px; border: 1px solid var(--rf-rand-stark);
  background: var(--rf-flaeche-2); color: var(--rf-text); font: 500 15px/1.3 var(--rf-schrift-text);
  transition: border-color .2s, box-shadow .2s, background .2s;
}
.b2b-textarea { min-height: 140px; padding: 13px 15px; resize: vertical; line-height: 1.55; }
.b2b-select { appearance: none; padding-right: 42px; cursor: pointer;
  background-image: linear-gradient(45deg, transparent 50%, var(--rf-text-3) 50%), linear-gradient(135deg, var(--rf-text-3) 50%, transparent 50%);
  background-position: calc(100% - 21px) 50%, calc(100% - 16px) 50%; background-size: 5px 5px; background-repeat: no-repeat; }
.b2b-input::placeholder, .b2b-textarea::placeholder { color: var(--rf-text-3); font-weight: 400; }
.b2b-input:focus, .b2b-select:focus, .b2b-textarea:focus { outline: none; border-color: var(--b2b-bernstein); background-color: var(--rf-flaeche); box-shadow: 0 0 0 4px color-mix(in oklab, var(--b2b-bernstein) 18%, transparent); }
.b2b-input.is-invalid, .b2b-select.is-invalid, .b2b-textarea.is-invalid { border-color: var(--rf-gefahr); }
.b2b-error { margin: 0; font-size: 12.5px; font-weight: 600; color: var(--rf-gefahr); min-height: 0; }
.b2b-error:empty { display: none; }
.b2b-hint { margin: 0; font-size: 12.5px; color: var(--rf-text-3); }
.b2b-field-foot { display: flex; justify-content: space-between; gap: 12px; }
.b2b-count { margin-left: auto; font-size: 12px; color: var(--rf-text-3); font-variant-numeric: tabular-nums; }
.b2b-count.is-limit { color: var(--rf-gefahr); }

/* Auswahl-Chips (Checkboxen) */
.b2b-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.b2b-chip-input { position: absolute; opacity: 0; pointer-events: none; }
.b2b-chip { display: inline-flex; align-items: center; gap: 7px; padding: 9px 14px; border-radius: 999px; border: 1px solid var(--rf-rand-stark); background: var(--rf-flaeche); color: var(--rf-text-2); font-size: 14px; font-weight: 600; cursor: pointer; transition: background .15s, color .15s, border-color .15s; user-select: none; }
.b2b-chip:hover { border-color: var(--rf-text-3); color: var(--rf-text); }
.b2b-chip-input:checked + .b2b-chip { background: var(--b2b-tinte); border-color: var(--b2b-tinte); color: var(--b2b-tinte-auf); }
.b2b-chip-input:checked + .b2b-chip::before { content: "✓"; font-weight: 800; font-size: 12px; }
.b2b-chip-input:focus-visible + .b2b-chip { box-shadow: 0 0 0 4px color-mix(in oklab, var(--b2b-bernstein) 25%, transparent); }

/* Einwilligung */
.b2b-consent { display: grid; gap: 14px; }
.b2b-check-row { display: flex; gap: 12px; align-items: flex-start; }
.b2b-check { width: 18px; height: 18px; margin-top: 2px; flex: none; accent-color: var(--b2b-bernstein); }
.b2b-check-label { font-size: 14px; line-height: 1.55; color: var(--rf-text-2); cursor: pointer; }
.b2b-check-label a, .b2b-alert a, .direct-email-link a, .b2b-contact-item a { color: var(--b2b-bernstein); font-weight: 650; }
.b2b-hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* Absenden */
.b2b-actions { display: grid; gap: 10px; }
.b2b-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 54px; padding: 0 26px;
  border: 0; border-radius: 15px; background: var(--b2b-tinte); color: var(--b2b-tinte-auf); font: 700 15.5px/1 var(--rf-schrift-text);
  text-decoration: none; cursor: pointer; box-shadow: 0 14px 30px -14px rgb(0 0 0 / .45); transition: transform .2s, background .2s;
}
.b2b-btn:hover { transform: translateY(-1px); color: var(--b2b-tinte-auf); background: color-mix(in oklab, var(--b2b-tinte), var(--b2b-bernstein) 22%); }
.b2b-btn--full { width: 100%; }
.b2b-btn:disabled { opacity: .7; cursor: default; transform: none; }
.b2b-spinner { display: none; width: 16px; height: 16px; border-radius: 50%; border: 2px solid currentColor; border-right-color: transparent; animation: b2b-dreh .7s linear infinite; }
.b2b-btn.is-loading .b2b-spinner { display: inline-block; }
@keyframes b2b-dreh { to { transform: rotate(360deg); } }
.b2b-submit-note { margin: 0; text-align: center; font-size: 13px; color: var(--rf-text-3); }
.direct-email-link { margin-top: 26px; padding-top: 20px; border-top: 1px solid var(--rf-rand); text-align: center; font-size: 14px; color: var(--rf-text-2); }
.direct-email-link p { margin: 0; }

/* Meldungen */
.b2b-alert { display: flex; gap: 12px; align-items: flex-start; margin-bottom: 20px; padding: 14px 16px; border-radius: 14px; background: var(--rf-gefahr-weich); color: var(--rf-text); font-size: 14px; line-height: 1.5; }
.b2b-alert[hidden] { display: none; }
.b2b-alert svg { flex: none; margin-top: 2px; color: var(--rf-gefahr); }
.b2b-alert p { margin: 0; }
.b2b-success { text-align: center; padding: clamp(32px, 5vw, 56px) clamp(22px, 4vw, 40px); }
.b2b-success[hidden] { display: none; }
.b2b-success-icon { display: grid; place-items: center; width: 68px; height: 68px; margin: 0 auto 20px; border-radius: 22px; background: var(--rf-erfolg-weich); color: var(--rf-erfolg); }
.b2b-success-title { font-size: 26px; letter-spacing: -.03em; margin: 0 0 10px; font-weight: 800; }
.b2b-success-title:focus { outline: none; }
.b2b-success p { margin: 0 auto 24px; max-width: 46ch; color: var(--rf-text-2); line-height: 1.6; }

/* Seitenleiste */
.b2b-contact-list, .b2b-trust-list, .b2b-steps { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.b2b-contact-item, .b2b-trust-item { display: flex; align-items: center; gap: 12px; font-size: 14.5px; color: var(--rf-text-2); }
.b2b-contact-item svg, .b2b-trust-item svg { flex: none; color: var(--b2b-bernstein); }
.b2b-steps { gap: 16px; margin-top: 14px; }
.b2b-step { display: flex; gap: 12px; }
.b2b-step-num { display: grid; place-items: center; width: 28px; height: 28px; flex: none; border-radius: 9px; background: var(--b2b-bernstein-weich); color: var(--b2b-bernstein); font-weight: 750; font-size: 13px; }
.b2b-step-title { font-weight: 700; font-size: 14.5px; margin-bottom: 2px; }
.b2b-step-text { margin: 0; font-size: 13.5px; line-height: 1.5; color: var(--rf-text-2); }

@media (max-width: 960px) {
  .b2b-layout, .partner-layout-grid { grid-template-columns: minmax(0, 1fr); }
  .b2b-aside { position: static; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
}
@media (max-width: 560px) {
  .b2b-grid-2 { grid-template-columns: 1fr; }
  .b2b-form-card, .partner-form-card { border-radius: 24px; }
}

/* ── Übersichtsseite /unternehmen (.bu-) ─────────────────────────────────── */
.bu-akzent { color: var(--b2b-bernstein); }
.bu-hero { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(32px, 6vw, 80px); align-items: center; padding-bottom: clamp(40px, 6vw, 80px); }
.bu-hero > * { min-width: 0; }
.bu-hero .b2b-title { font-size: clamp(38px, 5.2vw, 66px); }
.bu-knoepfe { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.bu-knopf-rahmen { display: inline-flex; align-items: center; justify-content: center; min-height: 54px; padding: 0 24px; border-radius: 15px; border: 1.5px solid var(--rf-rand-stark); color: var(--rf-text); font: 700 15.5px/1 var(--rf-schrift-text); text-decoration: none; transition: border-color .2s; }
.bu-knopf-rahmen:hover { border-color: var(--rf-text-3); color: var(--rf-text); }
.bu-fakten { list-style: none; padding: 0; margin: 28px 0 0; display: flex; flex-wrap: wrap; gap: 8px 20px; font-size: 14.5px; color: var(--rf-text-2); }
.bu-fakten i { color: var(--b2b-bernstein); margin-right: 6px; }

.bu-fluss { padding: 26px; border-radius: 30px; background: var(--rf-flaeche); border: 1px solid var(--rf-rand); box-shadow: var(--rf-schatten-lg); }
.bu-fluss__schritt { display: flex; gap: 14px; align-items: center; padding: 14px; border-radius: 18px; background: var(--rf-flaeche-2); }
.bu-fluss__schritt > i { display: grid; place-items: center; width: 44px; height: 44px; flex: none; border-radius: 13px; background: var(--rf-flaeche); border: 1px solid var(--rf-rand); color: var(--rf-text-2); }
.bu-fluss__schritt b { display: block; font-size: 15.5px; }
.bu-fluss__schritt small { color: var(--rf-text-3); font-size: 13px; }
.bu-fluss__schritt--ziel { background: var(--b2b-bernstein-weich); }
.bu-fluss__schritt--ziel > i { background: var(--b2b-bernstein); border-color: var(--b2b-bernstein); color: #fff; }
.bu-fluss__linie { width: 2px; height: 18px; margin-left: 35px; background: repeating-linear-gradient(var(--rf-rand-stark) 0 4px, transparent 4px 8px); }

.bu-abschnitt { padding-block: clamp(48px, 7vw, 88px); }
.bu-kopf { max-width: 680px; margin-bottom: 32px; }
.bu-kopf h2, .bu-dunkel h2, .bu-schluss h2 { font-size: clamp(28px, 3.4vw, 42px); line-height: 1.08; letter-spacing: -.035em; font-weight: 800; margin: 14px 0 14px; }
.bu-drei { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.bu-karte, .bu-person { padding: 26px; }
.bu-karte h3, .bu-person h3 { font-size: 19px; letter-spacing: -.015em; margin: 16px 0 8px; font-weight: 750; }
.bu-karte p, .bu-person p { margin: 0; color: var(--rf-text-2); font-size: 15px; line-height: 1.6; }
.bu-symbol { display: grid; place-items: center; width: 46px; height: 46px; border-radius: 14px; background: var(--b2b-bernstein-weich); color: var(--b2b-bernstein); font-size: 18px; }

.bu-dunkel { display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(28px, 5vw, 64px); align-items: center; padding: clamp(32px, 5vw, 60px); margin-block: clamp(24px, 4vw, 40px); border-radius: 36px; background: #15181d; color: #e8e6e1; position: relative; overflow: hidden; isolation: isolate; }
.bu-dunkel::before { content: ""; position: absolute; inset: 0; z-index: -1; background: radial-gradient(600px 300px at 100% 0%, rgba(226,176,74,.18), transparent 70%); }
[data-theme="dark"] .bu-dunkel { background: #101215; border: 1px solid var(--rf-rand); }
.bu-dunkel h2 { color: #fff; }
.bu-dunkel .b2b-eyebrow { color: #e2b04a; }
.bu-dunkel__text p:not(.b2b-eyebrow) { color: #b4b0a8; line-height: 1.65; margin: 0; }
.bu-wege { display: grid; gap: 12px; }
.bu-wege > div { display: grid; grid-template-columns: 44px 1fr; gap: 2px 14px; padding: 18px; border-radius: 20px; background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.08); }
.bu-wege span { grid-row: span 2; display: grid; place-items: center; width: 44px; height: 44px; border-radius: 13px; background: rgba(226,176,74,.16); color: #e2b04a; }
.bu-wege b { color: #fff; font-size: 15.5px; }
.bu-wege p { margin: 0; color: #a8a49c; font-size: 14px; line-height: 1.55; }

.bu-branchen { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.bu-branchen li { display: flex; align-items: center; gap: 12px; padding: 16px 18px; border-radius: 18px; background: var(--rf-flaeche); border: 1px solid var(--rf-rand); font-weight: 650; }
.bu-branchen i { color: var(--b2b-bernstein); width: 20px; text-align: center; }

.bu-person__bild { display: grid; place-items: center; width: 56px; height: 56px; border-radius: 18px; background: linear-gradient(135deg, #2b3038, #1f2329 55%, #c98a1b 150%); color: #fff; font: 800 18px/1 var(--rf-schrift-titel); letter-spacing: .02em; }
.bu-person__rolle { margin: -4px 0 10px !important; font-size: 13.5px !important; font-weight: 650; color: var(--b2b-bernstein) !important; }

.bu-schluss { margin-top: clamp(24px, 4vw, 48px); padding: clamp(48px, 7vw, 88px) clamp(24px, 5vw, 64px); border-radius: 40px; text-align: center; background: linear-gradient(135deg, #1f2329 0%, #2b3038 55%, #6b4a12 130%); color: #fff; position: relative; overflow: hidden; isolation: isolate; }
.bu-schluss::before { content: ""; position: absolute; inset: 0; z-index: -1; background: radial-gradient(600px 300px at 85% 110%, rgba(226,176,74,.35), transparent 70%); }
.bu-schluss h2 { color: #fff; margin-top: 0; }
.bu-schluss p { margin: 0 auto; max-width: 52ch; color: #cfcac0; font-size: 17px; line-height: 1.6; }
.bu-schluss .bu-knoepfe { justify-content: center; }
.bu-btn-hell { background: #e2b04a; color: #1a1306; }
.bu-btn-hell:hover { background: #f0c56e; color: #1a1306; }
.bu-knopf-rahmen--hell { color: #fff; border-color: rgba(255,255,255,.3); }
.bu-knopf-rahmen--hell:hover { color: #fff; border-color: rgba(255,255,255,.6); }

@media (max-width: 960px) {
  .bu-hero, .bu-dunkel { grid-template-columns: 1fr; }
  .bu-drei, .bu-branchen { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .bu-drei, .bu-branchen { grid-template-columns: 1fr; }
  .bu-knoepfe { flex-direction: column; }
  .bu-knoepfe > * { width: 100%; }
}