/**
 * GMN GEBÄUDEMANAGEMENT • SEO SUBPAGE STYLESHEET (subpage.css)
 * High-Performance, Mobile-First, Vertical-Scrollable Content & Landing Pages
 * Consistent with GMN 1930s Cartoon Branding
 */

:root {
  --bg-parchment: #F8F4EB;
  --bg-cream: #FAF6ED;
  --bg-white: #FFFFFF;
  --ink: #181514;
  --ink-secondary: #4A4543;
  --ink-muted: #746E6B;
  --accent-red: #E64A38;
  --accent-yellow: #F5B731;
  --accent-teal: #3BA5B4;
  --accent-green: #2ECC71;
  --border-thick: 4px solid var(--ink);
  --border-med: 3px solid var(--ink);
  --border-thin: 2px solid var(--ink);
  --shadow-cartoon-lg: 8px 8px 0px var(--ink);
  --shadow-cartoon-md: 5px 5px 0px var(--ink);
  --shadow-cartoon-sm: 3px 3px 0px var(--ink);
  --radius-lg: 20px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --font-display: 'Bebas Neue', 'Impact', sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-script: 'Caveat', cursive, sans-serif;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-parchment);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* ==========================================================================
   HEADER & NAVIGATION
   ========================================================================== */
.sub-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-cream);
  border-bottom: var(--border-thick);
  padding: 12px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 4px 12px rgba(24, 21, 20, 0.06);
}

.sub-header__brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--ink);
  min-width: 0;
}

.sub-header__logo {
  height: 42px;
  width: auto;
  border-radius: 8px;
  flex-shrink: 0;
}

.sub-header__title {
  font-family: var(--font-display);
  font-size: clamp(20px, 3.2vw, 24px);
  letter-spacing: 0.5px;
  line-height: 1.1;
  white-space: nowrap;
}

.sub-header__subtitle {
  font-size: 11.5px;
  color: var(--ink-secondary);
  font-weight: 600;
  white-space: nowrap;
}

.sub-header__actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.btn-nav-phone {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--accent-yellow);
  color: var(--ink);
  border: var(--border-med);
  box-shadow: var(--shadow-cartoon-sm);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  text-decoration: none;
  font-size: 13.5px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  white-space: nowrap;
}

.btn-nav-phone:hover {
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0 var(--ink);
}

@media (max-width: 600px) {
  .sub-header {
    padding: 8px 12px;
  }
  .sub-header__brand {
    gap: 8px;
  }
  .sub-header__logo {
    height: 36px;
  }
  .sub-header__title {
    font-size: 18px;
  }
  .sub-header__subtitle {
    font-size: 10px;
  }
  .btn-nav-phone {
    padding: 6px 10px;
    font-size: 12px;
  }
}

@media (max-width: 380px) {
  .sub-header__subtitle {
    display: none;
  }
}

/* ==========================================================================
   BREADCRUMBS
   ========================================================================== */
.breadcrumbs {
  max-width: 1160px;
  margin: 16px auto 0;
  padding: 0 20px;
  font-size: 14px;
  color: var(--ink-secondary);
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
}

.breadcrumbs li:not(:last-child)::after {
  content: "›";
  margin-left: 8px;
  color: var(--ink-muted);
}

.breadcrumbs a {
  color: var(--ink-secondary);
  text-decoration: underline;
  text-decoration-thickness: 1.5px;
}

.breadcrumbs a:hover {
  color: var(--accent-red);
}

/* ==========================================================================
   CONTAINER & SECTIONS
   ========================================================================== */
.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 20px;
}

.section-spacing {
  padding: 56px 0;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.sub-hero {
  padding: 32px 0 48px;
}

.sub-hero__grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 36px;
  align-items: center;
}

@media (max-width: 900px) {
  .sub-hero {
    padding: 20px 0 36px;
  }
  .sub-hero__grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

.badge-tag {
  display: inline-block;
  background: var(--accent-yellow);
  color: var(--ink);
  border: var(--border-med);
  box-shadow: var(--shadow-cartoon-sm);
  padding: 4px 14px;
  border-radius: 20px;
  font-family: var(--font-display);
  font-size: 16px;
  letter-spacing: 0.5px;
  margin-bottom: 14px;
}

.sub-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4.4vw, 50px);
  line-height: 1.06;
  margin-bottom: 14px;
  letter-spacing: 0.5px;
  color: var(--ink);
}

.sub-hero__lead {
  font-size: 16.5px;
  line-height: 1.55;
  font-weight: 500;
  color: var(--ink-secondary);
  margin-bottom: 22px;
}

.trust-badges-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 28px;
}

.trust-badge-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-weight: 700;
  font-size: 14.5px;
  line-height: 1.4;
}

.trust-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  background: var(--accent-green);
  color: var(--ink);
  border: var(--border-thin);
  border-radius: 50%;
  font-size: 11px;
  flex-shrink: 0;
  margin-top: 2px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.btn-primary-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--accent-red);
  color: #FFF;
  border: var(--border-thick);
  box-shadow: var(--shadow-cartoon-md);
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: 0.5px;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.btn-primary-action:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--ink);
  color: #FFF;
}

.btn-whatsapp-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: #25D366;
  color: var(--ink);
  border: var(--border-thick);
  box-shadow: var(--shadow-cartoon-md);
  padding: 12px 22px;
  border-radius: var(--radius-md);
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: 0.5px;
  text-decoration: none;
  font-weight: 700;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.btn-whatsapp-action:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--ink);
}

@media (max-width: 600px) {
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }
  .btn-primary-action,
  .btn-whatsapp-action {
    width: 100%;
    padding: 12px 18px;
    font-size: 18.5px;
  }
}

.sub-hero__visual {
  background: var(--bg-white);
  border: var(--border-thick);
  box-shadow: var(--shadow-cartoon-lg);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
}

@media (max-width: 900px) {
  .sub-hero__visual {
    padding: 16px;
    box-shadow: var(--shadow-cartoon-md);
    max-height: 260px;
  }
  .sub-hero__visual img,
  .sub-hero__visual svg {
    max-height: 220px !important;
  }
}

.sub-hero__visual img,
.sub-hero__visual svg {
  max-width: 100%;
  height: auto;
  max-height: 300px;
}

/* ==========================================================================
   EXPRESS AUDIT / 3-FOTOS WHATSAPP & QR-CODE SECTION (SEO SUBPAGE CONVERSION)
   ========================================================================== */
.express-audit-section {
  padding: 20px 0 56px;
}

.express-audit-card {
  background: var(--bg-white);
  border: var(--border-thick);
  box-shadow: var(--shadow-cartoon-lg);
  border-radius: var(--radius-lg);
  padding: clamp(24px, 4vw, 44px);
  position: relative;
  overflow: hidden;
}

.express-audit-header {
  text-align: center;
  max-width: 820px;
  margin: 0 auto 28px;
}

.express-audit-header h2 {
  font-family: var(--font-display);
  font-size: clamp(26px, 4vw, 40px);
  line-height: 1.08;
  letter-spacing: 0.5px;
  margin: 10px 0 10px;
  color: var(--ink);
}

.express-audit-lead {
  font-size: 15.5px;
  line-height: 1.55;
  color: var(--ink-secondary);
}

/* 3-Steps Cards */
.express-steps-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}

.express-step-item {
  background: var(--bg-cream);
  border: var(--border-thin);
  border-radius: var(--radius-md);
  padding: 18px;
  position: relative;
  box-shadow: var(--shadow-cartoon-sm);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.step-num {
  align-self: flex-start;
  background: var(--ink);
  color: #FFF;
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 0.8px;
  padding: 2px 8px;
  border-radius: 4px;
  margin-bottom: 4px;
}

.express-step-item h4 {
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 800;
  color: var(--ink);
}

.express-step-item p {
  font-size: 13.5px;
  line-height: 1.45;
  color: var(--ink-secondary);
}

/* WhatsApp Channel Main Hub */
.express-wa-box {
  background: #F0FFF4;
  border: 3px solid #25D366;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.12);
  border-radius: 16px;
  padding: clamp(20px, 3vw, 32px);
}

/* Desktop QR Code Card */
.express-qr-desktop {
  display: flex;
  align-items: center;
  gap: 28px;
  background: #FFFFFF;
  border: 2px solid rgba(24, 21, 20, 0.15);
  border-radius: 14px;
  padding: 20px 24px;
  box-shadow: var(--shadow-cartoon-sm);
  margin-bottom: 18px;
}

.express-qr-frame {
  flex-shrink: 0;
  background: #FFFFFF;
  border: 2px solid var(--ink);
  border-radius: 12px;
  padding: 8px;
  text-align: center;
  box-shadow: 3px 3px 0 var(--ink);
}

.express-qr-frame .qr-img {
  width: 120px;
  height: 120px;
  display: block;
}

.qr-label {
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0.5px;
  color: var(--ink);
  margin-top: 4px;
  font-weight: 700;
}

.express-qr-text {
  flex: 1;
}

.express-qr-text h3 {
  font-family: var(--font-body);
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 6px;
  color: var(--ink);
}

.express-qr-text p {
  font-size: 14.5px;
  line-height: 1.5;
  color: var(--ink-secondary);
  margin-bottom: 14px;
}

.express-direct-phone {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 600;
}

.express-direct-phone .phone-link {
  color: var(--ink);
  background: var(--accent-yellow);
  border: 1.5px solid var(--ink);
  padding: 4px 10px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 700;
  box-shadow: 2px 2px 0 var(--ink);
}

/* Mobile Action Button */
.express-wa-mobile {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 16px;
}

.btn-express-wa {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: #25D366;
  color: #181514;
  border: var(--border-thick);
  box-shadow: var(--shadow-cartoon-md);
  padding: 14px 22px;
  border-radius: var(--radius-md);
  font-family: var(--font-display);
  font-size: 21px;
  letter-spacing: 0.5px;
  font-weight: 700;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.btn-express-wa:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--ink);
}

.arrow-circle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  background: #181514;
  color: #FFF;
  border-radius: 50%;
  font-size: 15px;
}

.express-hint {
  text-align: center;
  font-size: 12.5px;
  color: var(--ink-muted);
  font-weight: 600;
}

/* Trust Points */
.express-trust-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: clamp(12px, 3vw, 24px);
  padding-top: 14px;
  border-top: 1.5px dashed rgba(24, 21, 20, 0.18);
  font-size: 13.5px;
  font-weight: 700;
}

.trust-point {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--ink);
}

@media (max-width: 768px) {
  .express-steps-row {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .express-qr-desktop {
    display: none;
  }
}

@media (min-width: 769px) {
  .express-wa-mobile {
    display: none;
  }
}

/* ==========================================================================
   BENEFITS & USPs GRID
   ========================================================================== */
.benefits-section {
  background: var(--bg-cream);
  border-top: var(--border-thick);
  border-bottom: var(--border-thick);
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 40px;
}

.section-header h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.1;
  margin-bottom: 12px;
}

.section-header p {
  color: var(--ink-secondary);
  font-size: 16px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.card-cartoon {
  background: var(--bg-white);
  border: var(--border-thick);
  box-shadow: var(--shadow-cartoon-md);
  border-radius: var(--radius-md);
  padding: 28px;
  transition: transform 0.2s ease;
}

.card-cartoon:hover {
  transform: translateY(-4px);
}

.card-cartoon__icon {
  font-size: 36px;
  margin-bottom: 14px;
}

.card-cartoon h3 {
  font-family: var(--font-display);
  font-size: 24px;
  margin-bottom: 10px;
  letter-spacing: 0.5px;
}

.card-cartoon p {
  color: var(--ink-secondary);
  font-size: 15px;
}

/* ==========================================================================
   SCOPE OF SERVICES (CHECKLIST)
   ========================================================================== */
.checklist-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.checklist-item {
  background: var(--bg-white);
  border: var(--border-med);
  border-radius: var(--radius-sm);
  padding: 16px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  box-shadow: var(--shadow-cartoon-sm);
}

.checklist-item strong {
  display: block;
  font-size: 16px;
  margin-bottom: 4px;
}

.checklist-item span {
  font-size: 14px;
  color: var(--ink-secondary);
}

/* ==========================================================================
   CONTACT FORM CARD
   ========================================================================== */
.contact-card {
  background: var(--bg-white);
  border: var(--border-thick);
  box-shadow: var(--shadow-cartoon-lg);
  border-radius: var(--radius-lg);
  padding: clamp(24px, 4vw, 44px);
  max-width: 680px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-weight: 700;
  margin-bottom: 8px;
  font-size: 15px;
}

.form-control {
  width: 100%;
  border: var(--border-med);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  font-family: var(--font-body);
  font-size: 15px;
  background: var(--bg-parchment);
  color: var(--ink);
  outline: none;
}

.form-control:focus {
  border-color: var(--accent-red);
  background: #FFF;
}

.btn-submit-lead {
  width: 100%;
  background: var(--accent-red);
  color: #FFF;
  border: var(--border-thick);
  box-shadow: var(--shadow-cartoon-md);
  padding: 16px;
  border-radius: var(--radius-md);
  font-family: var(--font-display);
  font-size: 26px;
  letter-spacing: 0.5px;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.btn-submit-lead:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--ink);
}

/* ==========================================================================
   FAQ SECTION
   ========================================================================== */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--bg-white);
  border: var(--border-med);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-cartoon-sm);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 20px;
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}

.faq-answer {
  padding: 0 20px 20px;
  color: var(--ink-secondary);
  font-size: 15px;
  line-height: 1.6;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.sub-footer {
  background: var(--ink);
  color: var(--bg-parchment);
  padding: 48px 0 32px;
  border-top: var(--border-thick);
}

.sub-footer a {
  color: var(--bg-parchment);
  text-decoration: underline;
}

.sub-footer a:hover {
  color: var(--accent-yellow);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 32px;
  margin-bottom: 40px;
}

.footer-col h4 {
  font-family: var(--font-display);
  font-size: 22px;
  margin-bottom: 14px;
  color: var(--accent-yellow);
  letter-spacing: 0.5px;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 14px;
}

.footer-bottom {
  text-align: center;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
}

/* ==========================================================================
   STICKY WHATSAPP FAB
   ========================================================================== */
.sticky-wa-fab {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
  display: flex;
  align-items: center;
  gap: 10px;
  background: #25D366;
  color: var(--ink);
  border: var(--border-thick);
  box-shadow: var(--shadow-cartoon-md);
  padding: 12px 20px;
  border-radius: 40px;
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: 0.5px;
  text-decoration: none;
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.sticky-wa-fab:hover {
  transform: translate(-3px, -3px);
  box-shadow: 7px 7px 0 var(--ink);
}

@media (max-width: 600px) {
  .sticky-wa-fab span {
    display: none;
  }
  .sticky-wa-fab {
    padding: 14px;
    bottom: 16px;
    right: 16px;
    border-radius: 50%;
  }
}

/* ==========================================================================
   LEGAL PAGES (IMPRESSUM & DATENSCHUTZ)
   ========================================================================== */
.legal-card {
  background: var(--bg-cream);
  border: var(--border-thick);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-cartoon-lg);
  padding: clamp(24px, 5vw, 48px);
  margin: 32px auto 60px;
  max-width: 920px;
}

.legal-card-header {
  margin-bottom: 28px;
  border-bottom: 3px solid var(--ink);
  padding-bottom: 20px;
}

.legal-card-header h1 {
  font-family: var(--font-display);
  font-size: clamp(38px, 6vw, 56px);
  letter-spacing: 1px;
  color: var(--ink);
  line-height: 1.05;
  margin-top: 8px;
}

.legal-body {
  display: flex;
  flex-direction: column;
  gap: 28px;
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--ink-secondary);
}

.legal-section h2 {
  font-family: var(--font-display);
  font-size: 26px;
  color: var(--ink);
  letter-spacing: 0.5px;
  margin-bottom: 12px;
  border-left: 5px solid var(--accent-red);
  padding-left: 12px;
}

.legal-section h3 {
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
  margin-top: 18px;
  margin-bottom: 8px;
}

.legal-section p {
  margin-bottom: 10px;
}

.legal-lead-box {
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: rgba(245, 183, 49, 0.12);
  border: 2px dashed var(--ink);
  border-radius: var(--radius-md);
  padding: 18px 22px;
}

.legal-contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin-top: 10px;
}

.legal-contact-card {
  background: var(--bg-white);
  border: var(--border-med);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  box-shadow: var(--shadow-cartoon-sm);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.legal-contact-label {
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--ink-muted);
}

.legal-link {
  color: var(--accent-red);
  text-decoration: underline;
  font-weight: 600;
  word-break: break-all;
  transition: color 0.15s ease;
}

.legal-link:hover {
  color: var(--ink);
}

.legal-list {
  padding-left: 24px;
  margin-bottom: 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.legal-list li {
  line-height: 1.6;
}