:root {
  color-scheme: light;
  --bg: #f6f8f4;
  --surface: #ffffff;
  --surface-muted: #eef4ed;
  --ink: #17211b;
  --muted: #5f6c63;
  --line: #dbe5da;
  --green: #1f8a5b;
  --green-dark: #176642;
  --green-deep: #0f5132;
  --green-soft: #edf8f1;
  --amber: #b7791f;
  --amber-soft: #fff7e4;
  --red: #b83232;
  --red-soft: #fff1ef;
  --blue-soft: #eef7ff;
  --shadow: 0 14px 34px rgba(23, 33, 27, 0.08);
  --shadow-strong: 0 22px 48px rgba(23, 33, 27, 0.11);
  --shadow-soft: 0 10px 24px rgba(23, 33, 27, 0.05);
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at top left, rgba(31, 138, 91, 0.08), transparent 360px),
    var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.55;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 12px clamp(18px, 4vw, 44px);
  background: rgba(246, 248, 244, 0.95);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 8px 22px rgba(23, 33, 27, 0.04);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  flex: 0 0 auto;
  font-weight: 800;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  border-radius: 10px;
  background: var(--green);
  color: #fff;
  font-size: 12px;
}

.site-nav,
.footer-links {
  display: flex;
  gap: 16px;
  color: var(--muted);
  font-size: 14px;
}

.site-nav a,
.footer-links a {
  text-decoration: none;
}

.site-nav a:hover,
.footer-links a:hover {
  color: var(--ink);
}

main {
  overflow: hidden;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(340px, 0.72fr);
  gap: clamp(28px, 3.2vw, 46px);
  align-items: center;
  width: min(1280px, calc(100% - 40px));
  margin: 0 auto;
  min-height: auto;
  padding: clamp(30px, 3.8vw, 44px) 0 24px;
  background:
    linear-gradient(130deg, rgba(31, 138, 91, 0.1), rgba(39, 93, 140, 0.06) 48%, rgba(246, 248, 244, 0) 72%),
    var(--bg);
}

.hero-content {
  max-width: 790px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--green-dark);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 790px;
  margin-bottom: 16px;
  font-size: clamp(36px, 4vw, 54px);
  line-height: 1.04;
}

h2 {
  margin-bottom: 10px;
  font-size: clamp(25px, 2.5vw, 34px);
  line-height: 1.12;
}

h3 {
  margin-bottom: 8px;
  font-size: 17px;
}

.hero-copy {
  max-width: 720px;
  color: var(--muted);
  font-size: clamp(17px, 1.45vw, 20px);
}

.hero-benefit {
  max-width: 720px;
  margin-bottom: 0;
  color: var(--green-deep);
  font-weight: 750;
  font-size: 16px;
}

.trust-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 13px;
}

.trust-list span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 30px;
  padding: 5px 10px;
  border: 1px solid #c9dfcf;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.78);
  color: #244331;
  font-size: 13px;
  font-weight: 750;
}

.trust-list span::before {
  content: "\2713";
  color: var(--green);
}

.hero-actions,
.form-actions,
.copy-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.hero-actions {
  margin-top: 18px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 17px;
  border: 1px solid transparent;
  border-radius: 10px;
  font: inherit;
  font-size: 14px;
  font-weight: 800;
  cursor: pointer;
  text-align: center;
  text-decoration: none;
}

.button.primary {
  background: var(--green);
  color: #fff;
}

.button.secondary {
  border-color: #cddccc;
  background: #fff;
  color: var(--ink);
}

.button.ghost {
  border-color: transparent;
  background: var(--surface-muted);
  color: var(--ink);
}

.button.small {
  min-height: 38px;
  padding: 0 13px;
  font-size: 13px;
}

.hero-panel,
.results,
.calculator,
.target-card,
.affiliate-cards article,
.scenario-card,
.text-grid article,
.seo-grid article,
.audience-grid article,
.faq details,
.legal-grid article {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.96);
}

.hero-panel,
.results,
.calculator,
.target-card {
  box-shadow: var(--shadow-strong);
}

.hero-panel {
  display: grid;
  gap: 12px;
  padding: 24px;
  border-color: rgba(31, 138, 91, 0.2);
  background:
    linear-gradient(180deg, rgba(237, 248, 241, 0.62), rgba(255, 255, 255, 0.98) 46%),
    #fff;
}

.hero-panel strong {
  font-size: clamp(28px, 2.8vw, 36px);
  line-height: 1.05;
}

.panel-label,
.mini-note {
  color: var(--muted);
  font-weight: 800;
}

.mini-note {
  margin: 2px 0 0;
  font-size: 13px;
  font-weight: 650;
}

.status-pill,
.traffic-light,
.mini-badge,
.tool-icon {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  border-radius: 999px;
  padding: 5px 10px;
  color: #fff;
  font-size: 12px;
  font-weight: 800;
}

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

.very-good {
  background: var(--green-deep);
}

.medium {
  background: var(--amber);
}

.critical,
.low {
  background: var(--red);
}

.notice,
.affiliate-section,
.content-section,
.legal-section,
.calculator-section {
  width: min(1280px, calc(100% - 40px));
  margin: 0 auto;
}

.notice {
  margin-top: 12px;
  padding: 14px 16px;
  border: 1px solid #ecd79f;
  border-radius: 14px;
  background: #fff9e8;
  color: #594515;
}

.calculator-section {
  padding: 38px 0 14px;
}

.content-section,
.affiliate-section,
.legal-section {
  padding: 42px 0 10px;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 18px;
}

.compact-heading {
  margin-bottom: 16px;
}

.section-heading p:not(.eyebrow),
.scope-note,
.affiliate-note {
  color: var(--muted);
  font-size: 16px;
}

.scope-note,
.affiliate-note {
  margin: 14px 0 0;
}

.calculator-grid {
  display: grid;
  grid-template-columns: minmax(0, 56fr) minmax(410px, 44fr);
  gap: clamp(28px, 2.8vw, 36px);
  align-items: start;
}

.calculator {
  display: grid;
  gap: 20px;
  padding: clamp(22px, 2.6vw, 28px);
  border-color: rgba(31, 138, 91, 0.18);
  background:
    linear-gradient(180deg, rgba(237, 248, 241, 0.54), rgba(255, 255, 255, 0.98) 150px),
    #fff;
}

.form-actions-top,
.form-section {
  grid-column: 1 / -1;
}

.form-section {
  padding: 18px;
  border: 1px solid rgba(219, 229, 218, 0.75);
  border-radius: 14px;
  background: rgba(250, 252, 249, 0.82);
}

.form-actions-top + .form-section {
  border-top: 1px solid rgba(219, 229, 218, 0.75);
}

.form-section h3,
.result-group h3 {
  color: var(--green-dark);
  font-size: 13px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.form-section-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 18px;
}

.form-group {
  display: grid;
  gap: 7px;
  align-content: start;
}

label,
legend {
  color: #24352a;
  font-size: 14px;
  font-weight: 800;
}

small {
  color: var(--muted);
  font-size: 12.5px;
  min-height: 18px;
}

.input-wrap {
  display: flex;
  align-items: center;
  min-height: 48px;
  border: 1px solid #d7ded5;
  border-radius: 12px;
  background: #fff;
  overflow: hidden;
  transition: border-color 0.16s ease, box-shadow 0.16s ease;
}

.input-wrap:focus-within,
select:focus {
  border-color: rgba(31, 138, 91, 0.72);
  box-shadow: 0 0 0 4px rgba(31, 138, 91, 0.1);
  outline: 0;
}

.input-wrap input {
  width: 100%;
  min-width: 0;
  border: 0;
  padding: 10px 12px;
  background: transparent;
  color: var(--ink);
  font: inherit;
  outline: 0;
}

.input-wrap span {
  flex: 0 0 auto;
  padding-right: 12px;
  color: var(--muted);
  font-size: 13px;
}

.input-wrap.readonly {
  background: var(--surface-muted);
}

select {
  width: 100%;
  min-height: 48px;
  border: 1px solid #d7ded5;
  border-radius: 12px;
  background: #fff;
  color: var(--ink);
  font: inherit;
  padding: 0 10px;
}

.switch-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  align-items: center;
  margin: 0;
  padding: 9px 10px;
  border: 1px solid #d7ded5;
  border-radius: 12px;
  background: #fff;
  min-height: 48px;
}

.switch-group legend {
  padding: 0 5px;
}

.switch-group label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 30px;
  padding: 3px 8px;
  border-radius: 999px;
  color: var(--muted);
  font-weight: 700;
}

.switch-group label:has(input:checked) {
  background: var(--green-soft);
  color: var(--green-dark);
}

.results {
  position: sticky;
  top: 74px;
  padding: clamp(20px, 2.6vw, 26px);
  border-color: rgba(31, 138, 91, 0.2);
  background:
    linear-gradient(180deg, rgba(237, 248, 241, 0.66), rgba(255, 255, 255, 0.98) 155px),
    #fff;
}

.result-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 14px;
}

.result-top h2 {
  margin-bottom: 5px;
  font-size: 26px;
}

.result-summary {
  margin-bottom: 0;
  color: var(--muted);
  font-weight: 650;
  font-size: 16px;
}

.summary-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.summary-metrics div {
  padding: 14px;
  border: 1px solid rgba(31, 138, 91, 0.18);
  border-radius: 12px;
  background: rgba(237, 248, 241, 0.75);
}

.summary-metrics span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.summary-metrics strong {
  display: block;
  margin-top: 2px;
  color: var(--green-deep);
  font-size: 26px;
  line-height: 1.1;
}

.result-group {
  padding: 13px 14px;
  border: 1px solid rgba(219, 229, 218, 0.75);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.62);
}

#vatResultGroup.small-business .result-list {
  display: none;
}

.vat-compact {
  display: grid;
  gap: 6px;
  color: var(--muted);
}

.vat-compact strong {
  color: var(--green-deep);
}

.result-group + .result-group {
  margin-top: 10px;
}

.result-list {
  display: grid;
  gap: 3px;
}

.result-item {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 8px 0;
  border-top: 1px solid rgba(219, 229, 218, 0.5);
  font-size: 15.5px;
}

.result-item:first-child {
  border-top: 0;
}

.result-item span {
  color: var(--muted);
}

.result-item strong {
  min-width: max-content;
  color: var(--ink);
  font-size: 16px;
  text-align: right;
}

.warnings {
  display: grid;
  gap: 8px;
  margin-top: 14px;
}

.insight-box,
.warning {
  padding: 11px 12px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #f7fbf8;
  color: #26352b;
}

.tax-choice-box {
  background: rgba(237, 248, 241, 0.52);
  border-color: rgba(31, 138, 91, 0.16);
}

.vat-example-box {
  background: rgba(255, 247, 228, 0.48);
  border-color: rgba(183, 121, 31, 0.18);
}

.insight-box {
  margin-top: 12px;
}

.insight-box h3 {
  margin-bottom: 6px;
  font-size: 16px;
}

.insight-box p,
.insight-box ul {
  margin-bottom: 0;
}

.insight-box ul {
  padding-left: 18px;
}

.warning {
  font-size: 13px;
  background: rgba(255, 255, 255, 0.72);
}

.warning.urgent {
  border-color: rgba(184, 50, 50, 0.22);
  background: rgba(255, 241, 239, 0.64);
}

.warning.note {
  border-color: rgba(82, 126, 159, 0.2);
  background: rgba(238, 247, 255, 0.55);
}

.warning.positive {
  border-color: rgba(31, 138, 91, 0.2);
  background: rgba(237, 248, 241, 0.62);
}

.warning.caution {
  border-color: rgba(183, 121, 31, 0.22);
  background: rgba(255, 247, 228, 0.66);
}

.more-warnings {
  margin-top: 8px;
}

.more-warnings summary {
  cursor: pointer;
  color: var(--green-dark);
  font-weight: 800;
}

.copy-row {
  margin-top: 14px;
}

#copyStatus {
  color: var(--green-dark);
  font-weight: 800;
}

.scenario-grid,
.text-grid,
.seo-grid,
.affiliate-cards,
.audience-grid,
.legal-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.audience-grid article,
.text-grid article,
.seo-grid article,
.affiliate-cards article,
.scenario-card,
.legal-grid article {
  padding: 18px;
}

.text-grid article,
.seo-grid article,
.faq details,
.legal-grid article {
  box-shadow: var(--shadow-soft);
}

.text-grid h3,
.seo-grid h3,
.affiliate-cards h3,
.audience-grid h3 {
  font-size: 18px;
  line-height: 1.25;
}

.audience-grid article,
.text-grid article,
.seo-grid article {
  min-height: 0;
}

.mini-badge,
.tool-icon {
  margin-bottom: 10px;
  background: var(--green-soft);
  color: var(--green-dark);
}

.text-grid p,
.seo-grid p,
.faq p,
.legal-grid p,
.affiliate-cards p,
.scenario-card dt,
.target-card p,
.audience-grid p {
  color: var(--muted);
  line-height: 1.58;
}

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

.seo-grid article {
  background: linear-gradient(180deg, #fff, rgba(250, 252, 249, 0.96));
}

.scenario-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}

.scenario-card dl,
.target-metrics {
  display: grid;
  gap: 7px;
  margin: 12px 0 0;
}

.scenario-card dl div,
.target-metrics div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding-top: 8px;
  border-top: 1px solid var(--line);
}

.scenario-card dt {
  font-weight: 700;
}

.scenario-card dd {
  margin: 0;
  font-weight: 900;
  text-align: right;
}

.target-card {
  display: grid;
  grid-template-columns: 1fr minmax(280px, 0.75fr);
  gap: 18px;
  padding: 22px;
  border-color: rgba(31, 138, 91, 0.18);
}

.target-actions {
  grid-column: 1 / -1;
  display: grid;
  gap: 6px;
  margin: 0;
  color: var(--muted);
  font-weight: 700;
}

.target-message {
  grid-column: 1 / -1;
  margin: 0;
  font-weight: 800;
}

.affiliate-section {
  margin-top: 28px;
}

.affiliate-cards article {
  display: grid;
  gap: 10px;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-soft);
}

.affiliate-cards .button {
  width: fit-content;
}

.faq {
  display: grid;
  gap: 10px;
}

.faq details {
  padding: 14px 16px;
  background: linear-gradient(180deg, #fff, rgba(250, 252, 249, 0.98));
}

.faq summary {
  cursor: pointer;
  color: #203329;
  font-weight: 750;
}

.faq p {
  margin: 10px 0 0;
}

.legal-section {
  padding-bottom: 36px;
}

.legal-heading {
  margin-bottom: 14px;
}

.legal-accordion {
  display: grid;
  gap: 10px;
}

.legal-accordion details {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.legal-accordion summary {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 16px;
  color: #203329;
  cursor: pointer;
  font-weight: 800;
  list-style: none;
}

.legal-accordion summary::-webkit-details-marker {
  display: none;
}

.legal-accordion summary::after {
  content: "";
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--green-dark);
  border-bottom: 2px solid var(--green-dark);
  transform: rotate(45deg);
  transition: transform 0.16s ease;
}

.legal-accordion details[open] summary::after {
  transform: rotate(225deg);
}

.legal-content {
  padding: 0 16px 16px;
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.65;
}

.legal-content h3 {
  margin: 4px 0 8px;
  color: var(--ink);
  font-size: 16px;
}

.legal-content h4 {
  margin: 16px 0 5px;
  color: #203329;
  font-size: 13px;
}

.legal-content p,
.legal-content address {
  margin: 0;
}

.legal-content address {
  font-style: normal;
}

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

.legal-docs {
  align-items: start;
}

.legal-docs article:nth-child(3) {
  grid-column: 1 / -1;
}

.legal-grid article h3 {
  margin-bottom: 6px;
  font-size: 16px;
}

.legal-grid article h4 {
  margin: 16px 0 5px;
  color: #203329;
  font-size: 13px;
}

.legal-grid article {
  padding: 16px 17px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: none;
}

.legal-grid p,
.legal-grid address {
  margin-bottom: 0;
  font-size: 13.5px;
}

.legal-grid address {
  color: var(--muted);
  font-style: normal;
  line-height: 1.6;
}

.legal-label {
  margin-bottom: 8px;
  color: var(--green-dark);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

#impressum,
#datenschutz,
#haftungsausschluss,
#kontakt {
  scroll-margin-top: 92px;
}

.site-footer {
  display: grid;
  gap: 9px;
  padding: 18px clamp(18px, 4vw, 44px);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

.site-footer p {
  margin-bottom: 0;
}

@media (max-width: 980px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-nav {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 4px;
    white-space: nowrap;
  }

  .hero,
  .calculator-grid,
  .scenario-grid,
  .affiliate-cards,
  .text-grid,
  .seo-grid,
  .audience-grid,
  .target-card,
  .legal-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 30px;
  }

  .results {
    position: static;
  }

  .target-message {
    grid-column: auto;
  }
}

@media (max-width: 700px) {
  .site-header {
    padding: 12px 18px;
  }

  .brand {
    width: 100%;
  }

  .site-nav {
    gap: 12px;
    font-size: 14px;
  }

  h1 {
    font-size: 34px;
  }

  h2 {
    font-size: 24px;
  }

  .hero {
    gap: 20px;
    padding-bottom: 24px;
  }

  .hero-copy,
  .section-heading p:not(.eyebrow),
  .scope-note,
  .affiliate-note {
    font-size: 15px;
  }

  .form-section-grid {
    grid-template-columns: 1fr;
  }

  .button,
  .form-actions .button,
  .copy-row .button {
    width: 100%;
  }

  .result-item,
  .scenario-card dl div,
  .target-metrics div {
    align-items: flex-start;
    flex-direction: column;
    gap: 3px;
  }

  .result-item strong,
  .scenario-card dd {
    text-align: left;
  }

  .footer-links {
    flex-wrap: wrap;
  }
}