:root {
  --color-bg: #f7fafc;
  --color-surface: #ffffff;
  --color-text: #1a2530;
  --color-text-muted: #55636f;
  --color-primary: #0f9d8f;
  --color-primary-dark: #0b7d72;
  --color-border: #e2e8ed;
  --radius: 12px;
  --shadow: 0 8px 24px rgba(15, 40, 55, 0.08);
  --max-width: 1120px;
  font-size: 16px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.55;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3 {
  line-height: 1.2;
  margin: 0 0 0.5em;
}

h2 {
  font-size: clamp(1.6rem, 2.5vw, 2.1rem);
  text-align: center;
  margin-bottom: 1.2em;
}

p {
  margin: 0 0 1em;
}

a {
  color: inherit;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(247, 250, 252, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  padding-bottom: 16px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.3rem;
  text-decoration: none;
  color: var(--color-text);
}

.logo-icon {
  display: block;
  width: 32px;
  height: 32px;
  border-radius: 8px;
}

.logo-text span {
  color: var(--color-primary);
}

.nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav a {
  text-decoration: none;
  font-weight: 500;
  color: var(--color-text-muted);
}

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

.nav-cta {
  background: var(--color-primary);
  color: #fff !important;
  padding: 10px 18px;
  border-radius: 999px;
  font-weight: 600;
  white-space: nowrap;
}

.nav-cta:hover {
  background: var(--color-primary-dark);
}

.header-phone {
  font-weight: 600;
  white-space: nowrap;
}

.header-phone:hover {
  color: var(--color-text);
}

/* Hero */
.hero {
  padding: 72px 0 56px;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.6em;
}

.hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  max-width: 46ch;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.hero-points {
  list-style: none;
  padding: 0;
  margin: 24px 0 0;
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.hero-points li::before {
  content: "✓ ";
  color: var(--color-primary);
  font-weight: 700;
}

.hero-visual {
  display: flex;
  justify-content: center;
}

.hero-card {
  background: var(--color-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px;
  width: 100%;
  max-width: 320px;
  border: 1px solid var(--color-border);
}

.hero-card-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--color-border);
}

.hero-card-row:last-child {
  border-bottom: none;
}

.hero-card-row span {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
}

.hero-card-row strong {
  font-size: 1rem;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 600;
  text-decoration: none;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  font-family: inherit;
}

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

.btn-primary:hover {
  background: var(--color-primary-dark);
}

.btn-secondary {
  background: transparent;
  color: var(--color-primary-dark);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  border-color: var(--color-primary);
  background: rgba(15, 157, 143, 0.06);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Sections */
.section {
  padding: 64px 0;
}

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

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px;
}

.card h3 {
  color: var(--color-primary-dark);
}

.steps {
  list-style: none;
  counter-reset: step;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
}

.steps li {
  counter-increment: step;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.steps li::before {
  content: counter(step);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 8px;
}

.steps li span {
  color: var(--color-text-muted);
  font-size: 0.92rem;
}

.ablauf-note {
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.92rem;
  max-width: 56ch;
  margin: 24px auto 0;
}

/* About */
.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.about-photo {
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.about-illustration {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.section-heading-left {
  text-align: left;
  margin-bottom: 0.6em;
}

.about-text p {
  color: var(--color-text-muted);
}

.about-text a {
  color: var(--color-primary-dark);
  font-weight: 600;
}

.section-intro {
  text-align: center;
  color: var(--color-text-muted);
  max-width: 56ch;
  margin: -0.6em auto 2em;
}

/* Testimonials */
.testimonial-cards {
  align-items: stretch;
}

.testimonial-card {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px;
}

.testimonial-badge {
  position: absolute;
  top: 14px;
  right: 14px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 3px 10px;
}

.testimonial-quote {
  font-style: italic;
  margin-bottom: 0.8em;
}

.testimonial-author {
  margin: 0;
  font-weight: 600;
  font-size: 0.9rem;
}

/* FAQ */
.faq-container {
  max-width: 760px;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 18px 22px;
}

.faq-item summary {
  cursor: pointer;
  font-weight: 600;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  float: right;
  color: var(--color-primary);
  font-weight: 700;
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-item p {
  margin: 14px 0 0;
  color: var(--color-text-muted);
}

/* Form */
.form-container {
  max-width: 760px;
}

.form-intro {
  text-align: center;
  color: var(--color-text-muted);
}

/* Funnel */
.funnel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 36px 32px;
}

.funnel-progress {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 28px;
}

.funnel-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-border);
  transition: background 0.2s ease, transform 0.2s ease;
}

.funnel-dot.is-active {
  background: var(--color-primary);
  transform: scale(1.2);
}

.funnel-dot.is-done {
  background: var(--color-primary-dark);
}

.funnel-step {
  display: none;
  animation: funnel-fade-in 0.25s ease;
}

.funnel-step.is-active {
  display: block;
}

@keyframes funnel-fade-in {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.funnel-question {
  text-align: center;
  font-size: 1.25rem;
  margin-bottom: 24px;
}

.tile-group {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}

.tile {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  text-align: center;
  background: var(--color-bg);
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px 16px;
  cursor: pointer;
  font-family: inherit;
  transition: border-color 0.15s ease, background 0.15s ease, transform 0.1s ease;
}

.tile:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

.tile.is-selected {
  border-color: var(--color-primary);
  background: rgba(15, 157, 143, 0.08);
}

.tile-label {
  font-weight: 700;
  font-size: 1.02rem;
}

.tile-sub {
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

.funnel-back {
  display: block;
  background: none;
  border: none;
  color: var(--color-text-muted);
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  padding: 8px 0;
  margin-bottom: 8px;
}

.funnel-back:hover {
  color: var(--color-text);
}

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

.form-field-wide {
  grid-column: 1 / -1;
}

.form-field label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--color-text-muted);
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font-family: inherit;
  font-size: 0.98rem;
  background: var(--color-surface);
  color: var(--color-text);
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 1px;
}

.form-field input:invalid:not(:placeholder-shown) {
  border-color: #d64545;
}

textarea {
  resize: vertical;
}

.honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.form-status {
  margin: 0;
  font-weight: 600;
}

.form-status[data-state="success"] {
  color: var(--color-primary-dark);
}

.form-status[data-state="error"] {
  color: #d64545;
}

/* Legal pages */
.legal-page {
  padding-top: 48px;
}

.legal-content {
  max-width: 760px;
}

.legal-content h1 {
  font-size: clamp(1.8rem, 3vw, 2.3rem);
}

.legal-updated {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-bottom: 2em;
}

.legal-content h2 {
  text-align: left;
  font-size: 1.2rem;
  margin-top: 1.8em;
}

.legal-content ul {
  margin: 0 0 1em;
  padding-left: 1.2em;
}

.legal-content li {
  margin-bottom: 0.4em;
}

.legal-content a {
  color: var(--color-primary-dark);
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 28px 0;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px 24px;
}

.footer-links {
  display: flex;
  gap: 16px;
}

.footer-links a {
  color: var(--color-text-muted);
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--color-text);
  text-decoration: underline;
}

.form-privacy-note {
  margin: 10px 0 0;
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

.form-privacy-note a {
  color: var(--color-primary-dark);
}

/* Responsive */
@media (max-width: 860px) {
  .hero-inner {
    grid-template-columns: 1fr;
  }
  .cards,
  .steps {
    grid-template-columns: 1fr;
  }
  .about-inner {
    grid-template-columns: 1fr;
  }
  .nav {
    gap: 14px;
  }
  .nav a:not(.nav-cta) {
    display: none;
  }
  .logo {
    font-size: 1.1rem;
    gap: 8px;
  }
  .logo-icon {
    width: 28px;
    height: 28px;
  }
  .nav-cta {
    padding: 9px 14px;
    font-size: 0.88rem;
  }
}

@media (max-width: 540px) {
  .form-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 380px) {
  .logo {
    font-size: 0.98rem;
    gap: 6px;
  }
  .logo-icon {
    width: 24px;
    height: 24px;
  }
  .nav-cta {
    padding: 8px 12px;
    font-size: 0.8rem;
  }
}