:root {
  --color-primary: #0f4c81;
  --color-primary-dark: #0b355b;
  --color-secondary: #2f3f4f;
  --color-bg: #f4f7fa;
  --color-surface: #ffffff;
  --color-text: #1d2935;
  --color-muted: #5f7080;
  --color-border: #d8e0e8;
  --color-success: #0c7a43;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --shadow-sm: 0 3px 14px rgba(12, 40, 66, 0.08);
  --shadow-md: 0 10px 35px rgba(12, 40, 66, 0.12);
  --space-1: 0.5rem;
  --space-2: 0.75rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2rem;
  --space-6: 3rem;
  --space-7: 4rem;
  --max-width: 1120px;
  --header-height: 72px;
  --font-body: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.65;
}

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

a {
  color: var(--color-primary);
  text-decoration-thickness: 2px;
  text-underline-offset: 0.2em;
}

a:hover,
a:focus-visible {
  color: var(--color-primary-dark);
}

:focus-visible {
  outline: 3px solid #ffbf47;
  outline-offset: 2px;
}

.container {
  width: min(var(--max-width), 92%);
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 9999;
  background: #fff;
  padding: var(--space-2) var(--space-3);
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(8px);
}

.header-inner {
  min-height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: 0.02em;
  color: var(--color-primary-dark);
  text-decoration: none;
}

.logo img {
  height: 120px;
  width: auto;
  display: block;
}

.nav-toggle {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: #fff;
  width: 44px;
  height: 44px;
  padding: 0;
  display: grid;
  place-content: center;
}

.nav-toggle svg {
  width: 24px;
  height: 24px;
  color: var(--color-secondary);
}

.primary-nav {
  display: none;
}

.primary-nav ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.primary-nav.is-open {
  display: block;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: #fff;
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-3) 4%;
}

.primary-nav a {
  text-decoration: none;
  color: var(--color-text);
  font-weight: 600;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  border-radius: 999px;
  border: 1px solid transparent;
  padding: 0.7rem 1.25rem;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.nav-cta {
  display: none;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-1px);
}

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

.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--color-primary-dark);
  color: #fff;
}

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

.page-hero {
  padding: var(--space-7) 0 var(--space-6);
  background:
    linear-gradient(170deg, rgba(237, 244, 251, 0.92) 5%, rgba(248, 251, 255, 0.92) 45%, rgba(255, 255, 255, 0.92) 100%),
    url("../img/gebaeudereinigung-hero.jpg") center / cover no-repeat;
}

.hero-grid {
  display: grid;
  gap: var(--space-5);
  align-items: center;
}

h1,
h2,
h3 {
  line-height: 1.25;
  color: #102235;
  margin-top: 0;
}

h1 {
  font-size: clamp(1.9rem, 4vw, 3rem);
  margin-bottom: var(--space-3);
}

h2 {
  font-size: clamp(1.5rem, 2.6vw, 2.15rem);
  margin-bottom: var(--space-3);
}

h3 {
  font-size: clamp(1.2rem, 2vw, 1.45rem);
  margin-bottom: var(--space-2);
}

.lead {
  font-size: 1.1rem;
  color: var(--color-secondary);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

.hero-card,
.card,
.faq-item,
.testimonial,
.contact-box,
.step,
.stat-box {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.hero-card {
  padding: var(--space-5);
}

.section {
  padding: var(--space-6) 0;
}

.section-alt {
  background: #fff;
}

.grid {
  display: grid;
  gap: var(--space-3);
}

.grid-2 {
  grid-template-columns: 1fr;
}

.grid-3 {
  grid-template-columns: 1fr;
}

.card,
.step,
.testimonial,
.contact-box,
.stat-box {
  padding: var(--space-4);
}

.service-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.service-image {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: #e9f0f7;
}

.icon-wrap {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: #e7f0f9;
  display: grid;
  place-content: center;
  margin-bottom: var(--space-2);
}

.icon-wrap svg {
  width: 24px;
  height: 24px;
  color: var(--color-primary);
}

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

.list-check li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.45rem;
}

.list-check li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62rem;
  width: 0.56rem;
  height: 0.56rem;
  border-radius: 50%;
  background: var(--color-success);
}

.steps {
  counter-reset: steps;
}

.step {
  position: relative;
  padding-top: var(--space-6);
}

.step::before {
  counter-increment: steps;
  content: counter(steps);
  position: absolute;
  top: 1rem;
  left: 1rem;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  display: grid;
  place-content: center;
  font-weight: 700;
}

.faq-list {
  display: grid;
  gap: var(--space-2);
}

.faq-item button {
  width: 100%;
  text-align: left;
  padding: var(--space-3);
  border: 0;
  background: transparent;
  font-weight: 700;
  color: var(--color-text);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-2);
}

.faq-item button span:last-child {
  font-size: 1.4rem;
  line-height: 1;
  color: var(--color-primary);
}

.faq-answer {
  padding: 0 var(--space-3) var(--space-3);
  color: var(--color-secondary);
}

.faq-answer[hidden] {
  display: none;
}

.cta-banner {
  background: linear-gradient(135deg, #0f4c81 0%, #153a5f 100%);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  box-shadow: var(--shadow-md);
}

.cta-banner h2,
.cta-banner p {
  color: #fff;
}

.site-footer {
  background: #0f2235;
  color: #ced8e2;
  padding: var(--space-6) 0 var(--space-4);
}

.footer-grid {
  display: grid;
  gap: var(--space-4);
}

.site-footer a {
  color: #f2f7fc;
}

.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.kicker {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.contact-form {
  display: grid;
  gap: var(--space-3);
}

.form-row {
  display: grid;
  gap: var(--space-3);
}

label {
  font-weight: 600;
  display: block;
  margin-bottom: 0.4rem;
}

input,
textarea {
  width: 100%;
  font: inherit;
  border: 1px solid #b8c7d5;
  border-radius: var(--radius-sm);
  padding: 0.72rem;
  color: var(--color-text);
  background: #fff;
}

textarea {
  min-height: 140px;
  resize: vertical;
}

.input-error {
  border-color: #b80f0a;
  background: #fff7f7;
}

.error-msg {
  color: #9f140f;
  font-size: 0.88rem;
}

.form-note {
  margin-top: 0;
  color: var(--color-muted);
  font-size: 0.95rem;
}

.success-msg {
  color: #0e6f3e;
  background: #ebf9f1;
  border: 1px solid #9ed7b9;
  border-radius: var(--radius-sm);
  padding: var(--space-2);
}

.small {
  font-size: 0.92rem;
  color: var(--color-muted);
}

.breadcrumb {
  font-size: 0.92rem;
  margin-bottom: var(--space-3);
}

.table-like {
  display: grid;
  gap: var(--space-2);
}

.table-like .row {
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-2) 0;
}

@media (min-width: 760px) {
  .nav-toggle {
    display: none;
  }

  .primary-nav {
    display: block;
  }

  .primary-nav ul {
    flex-direction: row;
    align-items: center;
    gap: var(--space-3);
  }

  .primary-nav.is-open {
    position: static;
    padding: 0;
    border: 0;
  }

  .nav-cta {
    display: inline-flex;
  }

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

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

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

  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}