/* ==========================================================================
   immo.de — Namensverzeichnis für die Immobilienbranche
   Design: "Registereintrag" — Kataster-Raster, Aktenton, amtlicher Stempel.
   ========================================================================== */

:root {
  --ink:        #16233B;
  --ink-soft:   #3E4F6B;
  --paper:      #ECE8DF;
  --paper-raised:#F8F6F0;
  --line:       #C7BFAC;
  --line-soft:  #DCD6C6;
  --signal:     #B91C3C;
  --signal-dark:#8F1530;
  --signal-soft:#F3DBE0;
  --ok:         #2D6A4F;
  --ok-soft:    #DCEAE1;
  --focus:      #1D4ED8;
  --f-display:  "Archivo", "Helvetica Neue", Arial, sans-serif;
  --f-body:     "Source Serif 4", Georgia, serif;
  --f-mono:     "JetBrains Mono", "Courier New", monospace;
  --radius:     2px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--f-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

a { color: inherit; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
.mono { font-family: var(--f-mono); }

.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 28px;
}

/* Kataster-Hintergrundraster */
.grid-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 44px 44px;
  opacity: 0.5;
}

/* ================================= HEADER ================================= */
.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(248,246,240,0.92);
  backdrop-filter: blur(6px);
  position: sticky;
  top: 0;
  z-index: 50;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 18px;
  padding-bottom: 18px;
}
.brand {
  font-family: var(--f-display);
  font-weight: 800;
  font-size: 22px;
  letter-spacing: -0.02em;
  text-decoration: none;
  color: var(--ink);
}
.brand-dot { color: var(--signal); }
.header-nav {
  display: flex;
  gap: 28px;
  font-family: var(--f-display);
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.header-nav a { text-decoration: none; color: var(--ink-soft); }
.header-nav a:hover { color: var(--ink); }
.header-badge {
  font-family: var(--f-display);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border: 1px solid var(--ink);
  padding: 5px 10px;
  white-space: nowrap;
}
@media (max-width: 720px) { .header-nav { display: none; } }

/* ================================= HERO =================================== */
.hero {
  padding-top: 64px;
  padding-bottom: 56px;
}
.eyebrow {
  font-family: var(--f-display);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--signal);
  margin: 0 0 18px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--signal);
  display: inline-block;
}
h1 {
  font-family: var(--f-display);
  font-weight: 800;
  font-size: clamp(34px, 5.4vw, 58px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  margin: 0 0 24px;
  max-width: 16ch;
}
.hero-sub {
  font-size: 19px;
  color: var(--ink-soft);
  max-width: 56ch;
  margin: 0 0 38px;
}
.hero-sub code {
  font-family: var(--f-mono);
  background: var(--paper-raised);
  border: 1px solid var(--line);
  padding: 1px 6px;
  border-radius: var(--radius);
  font-size: 0.92em;
}

/* ================================= CHECKER ================================ */
.checker {
  max-width: 620px;
}
.checker-label {
  font-family: var(--f-display);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
  margin: 0 0 12px;
}

/* Eingabezeile: [  name  ].immo.de  [Prüfen] */
.checker-row {
  display: flex;
  align-items: stretch;
  border: 2px solid var(--ink);
  background: var(--paper-raised);
  max-width: 560px;
}
.checker-field {
  display: flex;
  flex: 1;
  align-items: center;
  min-width: 0;
}
#checker-input {
  flex: 1;
  min-width: 0;
  border: none;
  background: transparent;
  font-family: var(--f-mono);
  font-size: 20px;
  padding: 15px 0 15px 18px;
  color: var(--ink);
  outline: none;
}
#checker-input::placeholder { color: #b0a89a; }
.checker-suffix-static {
  font-family: var(--f-mono);
  font-size: 20px;
  color: var(--ink-soft);
  padding: 0 8px 0 0;
  flex-shrink: 0;
  user-select: none;
  white-space: nowrap;
}

/* Allgemeine Button-Stile */
.btn {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  border: none;
  cursor: pointer;
  white-space: nowrap;
}
.btn-primary {
  background: var(--ink);
  color: var(--paper-raised);
  padding: 0 24px;
}
.btn-primary:hover { background: var(--signal); }
.btn-secondary {
  background: transparent;
  border: 1.5px solid var(--ink);
  color: var(--ink);
  padding: 12px 24px;
  display: inline-block;
  text-decoration: none;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.btn-secondary:hover { background: var(--ink); color: var(--paper-raised); }

/* Domain-Preview — das Herzstück, aktualisiert sich beim Tippen */
.domain-preview {
  max-width: 620px;
  margin-top: 22px;
  min-height: 58px;
  display: flex;
  align-items: center;
}
.domain-preview-text {
  font-family: var(--f-mono);
  font-size: clamp(24px, 4.5vw, 46px);
  font-weight: 500;
  letter-spacing: -0.018em;
  line-height: 1.1;
  word-break: break-all;
  display: block;
  transition: color 0.2s ease;
}

/* Zustandsfarben */
.domain-preview.state--empty    .domain-preview-text { color: var(--line); }
.domain-preview.state--typing   .domain-preview-text { color: var(--ink); }
.domain-preview.state--checking .domain-preview-text {
  color: var(--ink-soft);
  animation: domain-pulse 1.1s ease-in-out infinite;
}
.domain-preview.state--free     .domain-preview-text { color: var(--ok); }
.domain-preview.state--taken    .domain-preview-text { color: var(--signal); }
.domain-preview.state--reserved .domain-preview-text { color: var(--ink-soft); }
.domain-preview.state--invalid  .domain-preview-text { color: var(--line); }

@keyframes domain-pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.4; }
}

/* Status-Zeile unterhalb des Previews */
.checker-status {
  max-width: 560px;
  margin-top: 10px;
  font-size: 15px;
  display: flex;
  align-items: flex-start;
  gap: 9px;
  color: var(--ink-soft);
  min-height: 22px;
}
.checker-status a { text-decoration: underline; color: inherit; }
.checker-status a:hover { opacity: 0.8; }
.checker-status.status-free     { color: var(--ok); }
.checker-status.status-taken    { color: var(--signal); }
.checker-status.status-reserved { color: var(--ink-soft); }
.checker-status.status-invalid  { color: var(--ink-soft); }

.status-icon {
  font-size: 16px;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
}

/* Ladeanimation: kleiner pulsierender Punkt */
.status-spinner {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--ink-soft);
  flex-shrink: 0;
  margin-top: 6px;
  animation: spinner-pulse 1s ease-in-out infinite;
}
@keyframes spinner-pulse {
  0%, 100% { transform: scale(1); opacity: 0.6; }
  50%       { transform: scale(1.5); opacity: 1; }
}

/* CTA-Bereich nach erfolgreicher Prüfung (status = "free") */
.checker-cta {
  margin-top: 20px;
  max-width: 560px;
}
.btn-secure {
  display: inline-block;
  background: var(--signal);
  color: #fff;
  text-decoration: none;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 15px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 15px 30px;
  border: none;
  cursor: pointer;
  transition: background 0.15s;
}
.btn-secure:hover { background: var(--signal-dark); color: #fff; }
.checker-cta-hint {
  margin: 9px 0 0;
  font-size: 13px;
  color: var(--ink-soft);
}

/* ================================= SECTIONS =============================== */
.section {
  padding: 72px 0;
  border-top: 1px solid var(--line);
}
.section-label {
  font-family: var(--f-display);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--ink-soft);
  margin: 0 0 14px;
}
h2 {
  font-family: var(--f-display);
  font-weight: 800;
  font-size: clamp(26px, 3.4vw, 36px);
  letter-spacing: -0.01em;
  margin: 0 0 22px;
  max-width: 22ch;
}
.lede {
  font-size: 18px;
  color: var(--ink-soft);
  max-width: 62ch;
  margin: 0 0 36px;
}

/* Struktur-Grid */
.structure-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.structure-item {
  background: var(--paper-raised);
  padding: 26px;
}
.structure-item .tag {
  font-family: var(--f-mono);
  font-size: 12px;
  color: var(--signal);
  margin: 0 0 10px;
}
.structure-item h3 {
  font-family: var(--f-display);
  font-size: 17px;
  margin: 0 0 10px;
}
.structure-item p { font-size: 15px; color: var(--ink-soft); margin: 0; }
@media (max-width: 760px) { .structure-grid { grid-template-columns: 1fr; } }

/* Ablauf-Schritte */
.process-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.process-step {
  border-top: 2px solid var(--ink);
  padding-top: 16px;
}
.process-step .num {
  font-family: var(--f-mono);
  font-size: 13px;
  color: var(--ink-soft);
}
.process-step h3 {
  font-family: var(--f-display);
  font-size: 19px;
  margin: 8px 0 10px;
}
.process-step p { color: var(--ink-soft); margin: 0; font-size: 15px; }
@media (max-width: 760px) { .process-steps { grid-template-columns: 1fr; gap: 28px; } }

/* Preis-Toggle */
.billing-toggle {
  display: inline-flex;
  border: 1.5px solid var(--ink);
  margin-bottom: 36px;
}
.billing-toggle button {
  font-family: var(--f-display);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: transparent;
  border: none;
  padding: 10px 20px;
  cursor: pointer;
  color: var(--ink-soft);
}
.billing-toggle button.active {
  background: var(--ink);
  color: var(--paper-raised);
}

/* Preiskarten */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.plan-card {
  border: 1.5px solid var(--ink);
  background: var(--paper-raised);
  padding: 28px;
  display: flex;
  flex-direction: column;
}
.plan-card.featured { border-color: var(--signal); position: relative; }
.plan-card.featured::before {
  content: "Empfohlen";
  position: absolute;
  top: -1px; right: -1px;
  background: var(--signal);
  color: #fff;
  font-family: var(--f-display);
  font-size: 10.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 5px 10px;
}
.plan-name {
  font-family: var(--f-display);
  font-weight: 800;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
  margin: 0 0 14px;
}
.plan-price {
  font-family: var(--f-display);
  font-weight: 800;
  font-size: 38px;
  margin: 0 0 4px;
}
.plan-price span { font-size: 15px; font-weight: 600; color: var(--ink-soft); }
.plan-note { font-size: 13px; color: var(--ink-soft); margin: 0 0 22px; }
.plan-features {
  list-style: none;
  padding: 0;
  margin: 0 0 26px;
  flex: 1;
}
.plan-features li {
  font-size: 14.5px;
  padding: 9px 0;
  border-top: 1px solid var(--line-soft);
}
.plan-features li:first-child { border-top: none; }
.plan-cta {
  display: block;
  text-align: center;
  text-decoration: none;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 13px;
  border: 1.5px solid var(--ink);
  color: var(--ink);
}
.plan-card.featured .plan-cta { background: var(--ink); color: var(--paper-raised); }
.plan-cta:hover { background: var(--signal); border-color: var(--signal); color: #fff; }
.pricing-vat { font-size: 13px; color: var(--ink-soft); margin-top: 18px; }
@media (max-width: 860px) { .pricing-grid { grid-template-columns: 1fr; } }

/* Vergleichstabelle */
.compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
}
.compare-table th, .compare-table td {
  text-align: left;
  padding: 12px 16px;
  border: 1px solid var(--line);
}
.compare-table th {
  font-family: var(--f-display);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: var(--paper-raised);
}
.compare-table td.yes { color: var(--ok); font-weight: 700; }
.compare-table td.no  { color: var(--ink-soft); }

/* Partner-Box */
.partner-box {
  border: 1px dashed var(--ink-soft);
  background: var(--paper-raised);
  padding: 30px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.partner-box h3 { font-family: var(--f-display); font-size: 19px; margin: 0 0 8px; }
.partner-box p  { margin: 0; color: var(--ink-soft); max-width: 48ch; font-size: 15px; }

/* FAQ */
.faq-item { border-bottom: 1px solid var(--line); padding: 18px 0; }
.faq-item summary {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 16px;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-size: 22px; color: var(--signal); font-weight: 400; }
.faq-item[open] summary::after { content: "–"; }
.faq-item p { margin: 14px 0 0; color: var(--ink-soft); font-size: 15px; max-width: 64ch; }

/* B2B-Hinweis (dunkle Sektion) */
.b2b-notice { background: var(--ink); color: var(--paper); }
.b2b-notice h2 { color: #fff; }
.b2b-notice .lede { color: #C7CEDB; }
.b2b-notice .btn-secondary { border-color: var(--paper); color: var(--paper); }
.b2b-notice .btn-secondary:hover { background: var(--paper); color: var(--ink); }

/* ================================= FOOTER ================================= */
.site-footer { border-top: 1px solid var(--line); padding: 36px 0; }
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 13px;
  color: var(--ink-soft);
}
.footer-links { display: flex; gap: 20px; }
.footer-links a { text-decoration: none; }
.footer-links a:hover { color: var(--ink); }

/* ================================= FORMULARE ============================== */
.form-page { padding: 56px 0 80px; }
.form-shell { max-width: 640px; margin: 0 auto; }
.form-card {
  border: 1px solid var(--line);
  background: var(--paper-raised);
  padding: 32px;
  margin-bottom: 24px;
}
.form-card h2 { font-size: 22px; margin-bottom: 8px; }
.field-group { margin-bottom: 20px; }
.field-group label {
  display: block;
  font-family: var(--f-display);
  font-size: 12.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 7px;
  color: var(--ink-soft);
}
.field-group input[type="text"],
.field-group input[type="email"],
.field-group textarea,
.field-group select {
  width: 100%;
  border: 1px solid var(--ink);
  background: var(--paper-raised);
  font-family: var(--f-body);
  font-size: 15px;
  padding: 11px 12px;
}
.field-group .help { font-size: 12.5px; color: var(--ink-soft); margin-top: 6px; }
.field-row { display: flex; gap: 16px; }
.field-row .field-group { flex: 1; }
.checkbox-row {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 14px;
  color: var(--ink-soft);
}
.checkbox-row input { margin-top: 4px; }
.summary-line {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-top: 1px solid var(--line-soft);
  font-size: 15px;
}
.summary-line:first-child { border-top: none; }
.summary-line.total {
  font-family: var(--f-display);
  font-weight: 700;
  border-top: 1px solid var(--ink);
  margin-top: 4px;
}
.notice {
  border-left: 3px solid var(--signal);
  background: var(--signal-soft);
  padding: 14px 16px;
  font-size: 14px;
  margin-bottom: 20px;
}
.notice.ok { border-color: var(--ok); background: var(--ok-soft); }
button.btn-primary[type="submit"],
a.btn-primary {
  width: 100%;
  padding: 15px;
  text-align: center;
  text-decoration: none;
  display: block;
}
.repeatable-list { margin-bottom: 14px; }
.repeatable-row { display: flex; gap: 10px; margin-bottom: 10px; }
.repeatable-row input { flex: 1; }
.repeatable-row button {
  border: 1px solid var(--line);
  background: transparent;
  cursor: pointer;
  padding: 0 14px;
  font-family: var(--f-display);
}
.add-row-btn {
  font-family: var(--f-display);
  font-size: 13px;
  font-weight: 700;
  background: transparent;
  border: 1px dashed var(--ink-soft);
  padding: 10px 16px;
  cursor: pointer;
  width: 100%;
}