/* Mobile-first lead-gen landing page */

:root {
  --color-cta: #2d8a4e;
  --color-cta-hover: #247a42;
  --color-cta-focus: #1e6b38;
  --color-text: #1a1a1a;
  --color-text-muted: #4a4a4a;
  --color-bg: #fff;
  --color-bg-soft: #f5f5f5;
  --color-border: #e0e0e0;
  --color-check: #2d8a4e;
  --color-error: #b91c1c;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  /* Hero-Hintergrund: assets/hero.png + Fallback (Gradient, falls Bild nicht lädt) */
  --hero-image: url("../assets/hero.png"), linear-gradient(135deg, #e8f5e9 0%, #f1f8e9 100%);
  --space-xs: 0.25rem;
  --space-s: 0.5rem;
  --space-m: 1rem;
  --space-l: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --touch-min: 44px;
  --radius: 8px;
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.5;
  color: var(--color-text);
  background: var(--color-bg);
}

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

.hidden {
  display: none !important;
}

/* Skip link: sichtbar nur bei Fokus (Tastatur/Screenreader) */
.skip-link {
  position: absolute;
  left: -9999px;
  z-index: 9999;
  padding: var(--space-s) var(--space-m);
  background: var(--color-cta);
  color: #fff;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius);
}

.skip-link:focus,
.skip-link:focus-visible {
  left: var(--space-m);
  top: var(--space-m);
  outline: 2px solid #fff;
  outline-offset: 2px;
}

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-m) var(--space-l);
  max-width: 1200px;
  margin: 0 auto;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--color-text);
  text-decoration: none;
  letter-spacing: -0.03em;
  transition: color 0.25s ease;
}

.logo:hover {
  color: var(--color-cta);
}

.logo:focus {
  outline: none;
}

.logo:focus-visible {
  outline: 2px solid var(--color-cta);
  outline-offset: 2px;
}

.logo:hover .logo-img {
  opacity: 0.9;
}

.logo-img {
  display: block;
  max-height: 32px;
  max-width: 120px;
  width: auto;
  height: auto;
  object-fit: contain;
  object-position: left center;
  flex-shrink: 0;
  transition: opacity 0.25s ease;
}

.logo-text {
  white-space: nowrap;
}

.logo-tld {
  font-weight: 700;
  color: var(--color-cta);
  background: linear-gradient(135deg, var(--color-cta) 0%, #3a9b5a 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  transition: opacity 0.25s ease;
}

.logo:hover .logo-tld {
  opacity: 0.9;
}

.nav {
  display: none;
  align-items: center;
  gap: var(--space-m);
}

.nav-link {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.9375rem;
}

.nav-link:hover {
  color: var(--color-text);
}

.nav-link:focus {
  outline: none;
}

.nav-link:focus-visible {
  outline: 2px solid var(--color-cta);
  outline-offset: 2px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--touch-min);
  padding: var(--space-s) var(--space-l);
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background-color 0.2s, color 0.2s, transform 0.2s, box-shadow 0.2s;
}

.btn-primary {
  background: var(--color-cta);
  color: #fff;
}

.btn-primary:hover {
  background: var(--color-cta-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(45, 138, 78, 0.3);
}

.btn-primary:focus {
  outline: none;
}

.btn-primary:focus-visible {
  outline: 2px solid var(--color-cta-focus);
  outline-offset: 2px;
}

.btn-header {
  white-space: nowrap;
}

.menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: var(--touch-min);
  height: var(--touch-min);
  padding: var(--space-s);
  background: none;
  border: none;
  cursor: pointer;
}

.menu-toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
}

.nav--open {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-m);
  gap: var(--space-s);
}

@media (min-width: 768px) {
  .nav {
    display: flex;
    flex-direction: row;
    position: static;
    padding: 0;
  }
  .nav--open {
    position: static;
    flex-direction: row;
    border: none;
  }
  .menu-toggle {
    display: none;
  }
}

/* Hero: Mobile = Hintergrund + Inhalt; Desktop = Split (Text links, Bild rechts) */
.hero {
  position: relative;
  overflow: hidden;
  min-height: 420px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: var(--hero-image) center / cover no-repeat;
  box-shadow: inset 0 0 0 9999px rgba(255, 255, 255, 0.88);
}

.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(232, 245, 233, 0.5) 0%, rgba(255, 255, 255, 0.4) 100%);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 420px;
}

.hero-content {
  position: relative;
  padding: var(--space-2xl) var(--space-l);
  display: flex;
  align-items: center;
}

.hero-media {
  display: none;
}

.hero-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-inner {
  position: relative;
  max-width: 640px;
  margin: 0 auto;
  width: 100%;
}

@media (min-width: 900px) {
  .hero-bg {
    display: none;
  }

  .hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 480px;
  }

  .hero-content {
    padding: var(--space-2xl) var(--space-xl);
    background: var(--color-bg);
    box-shadow: 4px 0 24px rgba(0, 0, 0, 0.06);
  }

  .hero-inner {
    margin: 0;
    max-width: 100%;
  }

  .hero-media {
    display: block;
    position: relative;
    min-height: 320px;
  }

  .hero-media img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
  }
}

.hero-title {
  margin: 0 0 var(--space-m);
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.25;
  color: var(--color-text);
}

.hero-subline {
  margin: 0 0 var(--space-l);
  font-size: 1rem;
  color: var(--color-text-muted);
}

.hero-purpose {
  margin: 0 0 var(--space-xl);
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-s);
  margin-bottom: var(--space-l);
}

.input {
  min-height: var(--touch-min);
  padding: var(--space-s) var(--space-m);
  font-family: inherit;
  font-size: 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-bg);
}

.input:focus {
  outline: none;
}

.input:focus-visible {
  outline: 2px solid var(--color-cta);
  outline-offset: 0;
}

.input[aria-invalid="true"],
.form-select[aria-invalid="true"] {
  border-color: var(--color-error);
  background: #fef2f2;
}
.input[aria-invalid="true"]:focus-visible,
.form-select[aria-invalid="true"]:focus-visible {
  outline-color: var(--color-error);
}

.form-option:has(.form-option-input[aria-invalid="true"]) {
  outline: 2px solid var(--color-error);
  outline-offset: 2px;
  border-radius: var(--radius);
}
.form-checkbox:has(input[aria-invalid="true"]) {
  outline: 2px solid var(--color-error);
  outline-offset: 2px;
  border-radius: var(--radius);
  padding: var(--space-xs);
}

.input-plz {
  flex: 1;
  min-width: 120px;
}

.btn-hero {
  flex: 1;
  min-width: 160px;
}

.hero-trust {
  margin: 0;
  padding: 0;
  list-style: none;
}

.hero-trust li {
  display: flex;
  align-items: center;
  gap: var(--space-s);
  margin-bottom: var(--space-s);
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

.check {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  background: var(--color-check);
  border-radius: 50%;
  position: relative;
}

.check::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 3px;
  width: 5px;
  height: 9px;
  border: solid #fff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

@media (min-width: 600px) {
  .hero-title {
    font-size: 2rem;
  }
  .hero-cta {
    flex-wrap: nowrap;
  }
}

/* Form section */
.form-section {
  padding: var(--space-2xl) var(--space-l);
  background: linear-gradient(180deg, var(--color-bg-soft) 0%, #eef5ef 50%, var(--color-bg-soft) 100%);
}

.form-section-inner {
  max-width: 560px;
  margin: 0 auto;
}

.form-section-title {
  margin: 0 0 var(--space-l);
  font-size: 1.5rem;
  font-weight: 700;
  text-align: center;
}

.lead-form {
  background: var(--color-bg);
  padding: var(--space-xl);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.form-progress {
  display: flex;
  gap: var(--space-xs);
  margin-bottom: var(--space-l);
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.form-progress-step {
  flex: 1 1 0%;
  min-width: 0;
  padding: var(--space-s) var(--space-xs);
  text-align: center;
  border-radius: var(--radius);
  background: var(--color-bg-soft);
  border: none;
  font: inherit;
  color: inherit;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
  line-height: 1.3;
}
.form-progress-step:hover {
  background: var(--color-border);
}
.form-progress-step--active:hover {
  background: var(--color-cta-hover);
}

.form-progress-step--active {
  background: var(--color-cta);
  color: #fff;
  font-weight: 600;
}

.form-error {
  margin: 0 0 var(--space-m);
  padding: var(--space-s) var(--space-m);
  font-size: 0.9375rem;
  color: #b91c1c;
  background: #fef2f2;
  border-radius: var(--radius);
  border: 1px solid #fecaca;
}

.form-error.hidden {
  display: none;
}

.form-panel {
  display: none;
}

.form-panel--active {
  display: block;
}

.form-panel-title {
  margin: 0 0 var(--space-m);
  font-size: 1.25rem;
  font-weight: 600;
  text-align: center;
}

.form-panel-desc {
  margin: 0 0 var(--space-l);
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  text-align: center;
}

.form-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-m);
  margin-bottom: var(--space-l);
}

.form-option {
  display: flex;
  flex-direction: column;
  min-height: 0;
  padding: 0;
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color 0.2s, box-shadow 0.2s;
  overflow: hidden;
}

.form-option:hover {
  border-color: var(--color-cta);
  box-shadow: var(--shadow);
}

.form-option-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.form-option:has(.form-option-input:focus-visible) {
  outline: 2px solid var(--color-cta);
  outline-offset: 2px;
}

.form-option:has(.form-option-input:checked) {
  border-color: var(--color-cta);
  box-shadow: 0 0 0 2px rgba(45, 138, 78, 0.25);
}

.form-option-image {
  display: block;
  aspect-ratio: 5 / 3;
  overflow: hidden;
  background: var(--color-bg-soft);
}

.form-option-image img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.form-option-label {
  display: block;
  padding: var(--space-m);
  font-weight: 600;
  text-align: center;
  background: var(--color-bg);
}

.form-option:has(.form-option-input:checked) .form-option-label {
  background: rgba(45, 138, 78, 0.08);
  color: var(--color-cta);
}

.form-option--inline {
  display: inline-flex;
  flex-direction: row;
  min-height: var(--touch-min);
  padding: var(--space-s) var(--space-m);
}

.form-option--inline .form-option-label {
  padding: 0;
}

.form-row {
  margin-bottom: var(--space-m);
}

.form-label {
  display: block;
  margin-bottom: var(--space-xs);
  font-size: 0.9375rem;
  font-weight: 500;
}

.form-fieldset {
  margin: 0 0 var(--space-l);
  padding: 0;
  border: none;
}

.form-legend {
  margin-bottom: var(--space-s);
  font-size: 0.9375rem;
  font-weight: 500;
}

.form-hint {
  display: block;
  margin-top: var(--space-xs);
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.form-optional {
  font-weight: normal;
  color: var(--color-text-muted);
}

.form-details-block .form-fieldset,
.form-details-block .form-row {
  margin-bottom: var(--space-l);
}

.form-fieldset--optional .form-legend {
  margin-bottom: var(--space-xs);
}

.form-checkbox--inline {
  display: inline-flex;
  margin-right: var(--space-m);
  margin-bottom: var(--space-s);
}

.form-select {
  width: 100%;
  cursor: pointer;
  appearance: auto;
}

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--space-s);
  margin-bottom: var(--space-l);
  font-size: 0.9375rem;
  cursor: pointer;
}

.form-checkbox input {
  margin-top: 4px;
  min-width: 18px;
  min-height: 18px;
  accent-color: var(--color-cta);
}

.form-trust {
  margin: 0 0 var(--space-l);
  padding: 0;
  list-style: none;
}

.form-trust li {
  display: flex;
  align-items: center;
  gap: var(--space-s);
  margin-bottom: var(--space-s);
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.btn-form {
  width: 100%;
  margin-top: var(--space-s);
}

.form-success {
  background: var(--color-bg);
  padding: var(--space-xl);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  text-align: center;
}

.form-success h3 {
  margin: 0 0 var(--space-s);
  font-size: 1.25rem;
  color: var(--color-cta);
}

.form-success p {
  margin: 0;
  color: var(--color-text-muted);
}

/* How it works */
.how-it-works {
  padding: var(--space-2xl) var(--space-l);
}

.how-it-works-inner {
  max-width: 960px;
  margin: 0 auto;
}

.section-title {
  margin: 0 0 var(--space-xl);
  font-size: 1.5rem;
  font-weight: 700;
  text-align: center;
}

.how-it-works .steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: var(--space-xl);
}

.how-it-works .step {
  display: grid;
  gap: var(--space-s);
  text-align: center;
}

.step-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  margin: 0 auto;
  font-weight: 700;
  font-size: 1.25rem;
  background: var(--color-cta);
  color: #fff;
  border-radius: 50%;
  box-shadow: 0 4px 12px rgba(45, 138, 78, 0.35);
}

.step-title {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 600;
}

.step-desc {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

@media (min-width: 640px) {
  .how-it-works .steps {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Trust cards */
.trust {
  padding: var(--space-2xl) var(--space-l);
  background: var(--color-bg-soft);
}

.trust-inner {
  max-width: 960px;
  margin: 0 auto;
}

.trust-cards {
  display: grid;
  gap: var(--space-l);
}

.trust-card {
  background: var(--color-bg);
  padding: var(--space-xl);
  border-radius: var(--radius);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

.trust-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  margin-bottom: var(--space-m);
  font-size: 1.5rem;
  background: rgba(45, 138, 78, 0.12);
  color: var(--color-cta);
  border-radius: 50%;
}

.trust-icon--shield {
  font-size: 1.25rem;
}

.trust-title {
  margin: 0 0 var(--space-s);
  font-size: 1.125rem;
  font-weight: 600;
}

.trust-text {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

@media (min-width: 640px) {
  .trust-cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Footer */
.footer {
  padding: var(--space-xl) var(--space-l);
  border-top: 1px solid var(--color-border);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-m);
  text-align: center;
}

.footer-copy {
  margin: 0;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.footer-nav {
  display: flex;
  gap: var(--space-l);
}

.footer-nav a {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  text-decoration: none;
}

.footer-nav a:hover {
  color: var(--color-cta);
}

@media (min-width: 480px) {
  .footer-inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}