:root {
  --ink: #182133;
  --muted: #5d697c;
  --paper: #f7f9fb;
  --surface: #ffffff;
  --line: #dde5ee;
  --blue: #205f9f;
  --green: #13795b;
  --amber: #b45f06;
  --red: #a33a3a;
  --soft-blue: #e8f2fb;
  --soft-green: #e6f4ef;
  --soft-amber: #fff2df;
  --shadow: 0 14px 32px rgba(24, 33, 51, 0.10);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.55;
}

a {
  color: var(--blue);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

img {
  max-width: 100%;
  display: block;
}

.skip-link {
  position: absolute;
  left: 12px;
  top: -48px;
  z-index: 20;
  padding: 10px 14px;
  background: var(--ink);
  color: #fff;
  border-radius: 6px;
}

.skip-link:focus {
  top: 12px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(221, 229, 238, 0.9);
  background: rgba(247, 249, 251, 0.94);
  backdrop-filter: blur(12px);
}

.nav-wrap {
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto;
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  text-decoration: none;
  font-weight: 800;
  white-space: nowrap;
}

.brand-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: var(--green);
  color: #fff;
  font-weight: 900;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav-links a {
  flex: 0 0 auto;
  padding: 9px 10px;
  border-radius: 6px;
  color: var(--muted);
  font-size: 0.94rem;
  text-decoration: none;
}

.nav-links a:hover,
.nav-links a:focus {
  background: var(--soft-blue);
  color: var(--blue);
}

.button,
button.button {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 16px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: var(--blue);
  color: #fff;
  font: inherit;
  font-weight: 750;
  text-decoration: none;
  cursor: pointer;
}

.button:hover,
.button:focus {
  background: #174e85;
  color: #fff;
}

.button.secondary {
  background: var(--surface);
  border-color: var(--line);
  color: var(--ink);
}

.button.secondary:hover,
.button.secondary:focus {
  border-color: var(--blue);
  color: var(--blue);
}

.button.green {
  background: var(--green);
}

.button.green:hover,
.button.green:focus {
  background: #0f654b;
}

.hero {
  min-height: min(640px, 68vh);
  display: grid;
  align-items: center;
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: #dce7ef;
}

.hero img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -2;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(90deg, rgba(16, 28, 45, 0.84) 0%, rgba(16, 28, 45, 0.62) 42%, rgba(16, 28, 45, 0.08) 74%);
}

.hero-content,
.container {
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto;
}

.hero-content {
  padding: 56px 0;
  color: #fff;
}

.eyebrow {
  margin: 0 0 10px;
  color: #b7f0dc;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0;
  font-size: 0.82rem;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.1;
  letter-spacing: 0;
}

h1 {
  max-width: 710px;
  font-size: clamp(2.2rem, 5vw, 4.7rem);
}

h2 {
  font-size: clamp(1.7rem, 3vw, 2.6rem);
}

h3 {
  font-size: 1.2rem;
}

.hero-copy {
  max-width: 650px;
  margin: 18px 0 0;
  color: #eaf2f8;
  font-size: 1.1rem;
  overflow-wrap: anywhere;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border-bottom: 1px solid var(--line);
}

.trust-item {
  background: var(--surface);
  padding: 18px;
}

.trust-item strong {
  display: block;
  color: var(--ink);
  font-size: 1.1rem;
}

.trust-item span {
  color: var(--muted);
  font-size: 0.92rem;
}

.section {
  padding: 64px 0;
}

.section.alt {
  background: var(--surface);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 26px;
}

.section-heading p {
  max-width: 680px;
  margin: 10px 0 0;
  color: var(--muted);
}

.grid {
  display: grid;
  gap: 18px;
}

.grid.cards-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid.cards-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 22px;
  box-shadow: 0 1px 0 rgba(24, 33, 51, 0.02);
}

.card.feature {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.card p,
.content p {
  color: var(--muted);
}

.metric {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  gap: 8px;
  border-radius: 999px;
  background: var(--soft-green);
  color: var(--green);
  padding: 6px 10px;
  font-size: 0.88rem;
  font-weight: 800;
}

.calculator {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(280px, 0.7fr);
  gap: 22px;
  align-items: start;
}

.calculator-v2 {
  align-items: stretch;
}

.calculator-main {
  min-width: 0;
  display: grid;
  gap: 16px;
}

.calculator-intro {
  display: grid;
  gap: 7px;
}

.calculator-intro .eyebrow,
.calculator-intro h2,
.calculator-intro p {
  margin: 0;
}

.calculator-intro h2 {
  font-size: clamp(1.45rem, 2.6vw, 2.05rem);
  line-height: 1.16;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.field {
  display: grid;
  gap: 7px;
}

.field.full {
  grid-column: 1 / -1;
}

label,
.field span {
  color: #334155;
  font-weight: 700;
}

.field-hint {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 500;
  line-height: 1.35;
}

input,
select {
  width: 100%;
  min-height: 44px;
  border: 1px solid #cdd8e4;
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  padding: 10px 12px;
  font: inherit;
}

input:focus,
select:focus {
  outline: 3px solid rgba(32, 95, 159, 0.18);
  border-color: var(--blue);
}

.calculator-formula {
  margin: 2px 0 0;
}

.calculator-actions {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 12px;
}

.calculator-actions .button {
  width: fit-content;
}

.result-panel {
  min-height: 220px;
  background: #102235;
  color: #fff;
  border-radius: 8px;
  padding: 24px;
  display: grid;
  gap: 12px;
  align-content: start;
}

.result-panel .result-eyebrow {
  color: #a9bed2;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.result-panel strong {
  font-size: clamp(1.8rem, 5vw, 3.2rem);
  line-height: 1;
}

.result-panel p {
  margin: 0;
  color: #d9e6f2;
}

.result-list {
  display: grid;
  gap: 7px;
  margin: 2px 0 0;
  padding-left: 1.1rem;
  color: #d9e6f2;
}

.result-list li::marker {
  color: #83d6ba;
}

.result-action {
  margin-top: 4px;
  padding-top: 12px;
  border-top: 1px solid rgba(217, 230, 242, 0.18);
  color: #fff !important;
  font-weight: 800;
}

.result-panel .note {
  margin-top: 4px;
  color: #b6c7d8;
  font-size: 0.92rem;
}

.lead-router {
  margin-top: 22px;
  display: grid;
  gap: 18px;
}

.lead-router-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(132px, 0.22fr);
  gap: 18px;
  align-items: start;
}

.lead-router-head p {
  margin: 10px 0 0;
}

.quality-meter {
  min-height: 118px;
  display: grid;
  align-content: center;
  justify-items: center;
  gap: 6px;
  border-radius: 8px;
  background: var(--soft-blue);
  color: var(--blue);
  text-align: center;
  padding: 14px;
}

.quality-meter span {
  font-weight: 800;
  font-size: 0.82rem;
}

.quality-meter strong {
  font-size: 2.4rem;
  line-height: 1;
}

.quality-hot .quality-meter {
  background: var(--soft-green);
  color: var(--green);
}

.quality-warm .quality-meter {
  background: var(--soft-blue);
  color: var(--blue);
}

.quality-nurture .quality-meter,
.quality-orientierung .quality-meter {
  background: var(--soft-amber);
  color: var(--amber);
}

.router-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}

.router-result {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 0.26fr);
  align-items: center;
  gap: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
  background: #f8fbfd;
}

.router-result p {
  margin: 0;
}

.router-result strong {
  display: block;
  margin: 4px 0 6px;
  font-size: 1.2rem;
}

.router-result .note {
  margin-top: 8px;
  font-size: 0.92rem;
  color: var(--muted);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(280px, 0.55fr);
  gap: 28px;
  align-items: start;
}

.content {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 28px;
}

.content h2 {
  margin-top: 30px;
}

.content h2:first-child {
  margin-top: 0;
}

.content ul,
.content ol {
  padding-left: 1.25rem;
  color: var(--muted);
}

.aside-stack {
  display: grid;
  gap: 16px;
  position: sticky;
  top: 92px;
}

.source-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.source-list a {
  font-weight: 700;
}

.notice {
  border-left: 4px solid var(--amber);
  background: var(--soft-amber);
  padding: 14px 16px;
  border-radius: 8px;
  color: #5b3a09;
}

.affiliate-note {
  border-left: 4px solid var(--green);
  background: var(--soft-green);
  padding: 14px 16px;
  border-radius: 8px;
  color: #103f31;
}

.link-list {
  display: grid;
  gap: 10px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.link-list a {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  color: var(--ink);
  font-weight: 700;
}

.link-list a span:last-child {
  color: var(--blue);
}

.city-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px 18px;
}

.site-footer {
  padding: 40px 0;
  background: #111827;
  color: #d9e3ee;
}

.site-footer a {
  color: #b7f0dc;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 24px;
}

.footer-grid p {
  color: #b9c5d3;
}

.redirect-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 28px;
  background: var(--paper);
}

.redirect-box {
  width: min(560px, 100%);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 28px;
  box-shadow: var(--shadow);
}

@media (max-width: 920px) {
  .nav-wrap {
    align-items: flex-start;
    flex-direction: column;
    padding: 12px 0;
  }

  .nav-links {
    width: 100%;
    justify-content: flex-start;
  }

  .trust-strip,
  .grid.cards-3,
  .grid.cards-2,
  .calculator,
  .split,
  .lead-router-head,
  .router-result,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .router-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .aside-stack {
    position: static;
  }

  .city-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .hero {
    min-height: 620px;
  }

  .hero::after {
    background: linear-gradient(180deg, rgba(16, 28, 45, 0.90) 0%, rgba(16, 28, 45, 0.74) 62%, rgba(16, 28, 45, 0.2) 100%);
  }

  .hero-content,
  .container {
    width: min(100% - 24px, 1160px);
  }

  .nav-links {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 4px 12px;
  }

  .nav-links a {
    padding: 7px 0;
  }

  .hero-actions {
    align-items: stretch;
    width: 100%;
  }

  .hero-actions .button {
    width: 100%;
    max-width: 100%;
    white-space: normal;
    text-align: center;
    line-height: 1.25;
  }

  .section {
    padding: 44px 0;
  }

  .section-heading {
    display: block;
  }

  .form-grid,
  .router-grid,
  .city-grid {
    grid-template-columns: 1fr;
  }

  .content,
  .card,
  .result-panel {
    padding: 18px;
  }

  .quality-meter {
    min-height: 94px;
  }

  .router-result .button {
    width: 100%;
    white-space: normal;
    text-align: center;
  }

  .calculator-actions {
    grid-template-columns: 1fr;
  }

  .calculator-actions .button {
    width: 100%;
  }
}