/* ==========================================================================
   Pernalytics GmbH - Design System & Stylesheet
   Fonts: Google Sans Flex (Headings), Geist (Paragraphs & UI)
   ========================================================================== */

/* Font Faces (Self-hosted / CloudFront CDN - GDPR Compliant) */
@font-face {
  font-family: 'Geist';
  src: url('https://d1v7b6em7fuqg1.cloudfront.net/fonts/Geist.woff2') format('woff2');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Google Sans Flex';
  src: url('https://d1v7b6em7fuqg1.cloudfront.net/fonts/GoogleSansFlex.woff2') format('woff2');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

:root {
  /* Color Palette */
  --bg-color: #030305;
  --text-primary: #ffffff;
  --text-secondary: #d1d5db;
  --text-muted: #808080;
  --text-footer: #6b7280;

  /* Brand Crimson / Red Accents */
  --crimson-primary: #9b1d25;
  --crimson-glow: rgba(180, 25, 35, 0.28);
  --crimson-border: rgba(140, 25, 35, 0.45);
  --crimson-border-bright: rgba(220, 38, 38, 0.65);
  --crimson-card-bg: rgba(14, 5, 7, 0.72);
  --crimson-badge-bg: rgba(20, 7, 10, 0.7);
  --crimson-divider: rgba(135, 25, 34, 0.75);

  /* Typography */
  --font-heading: 'Google Sans Flex', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Geist', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Transitions */
  --transition-smooth: all 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Reset & Box Sizing */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  height: 100%;
}

body {
  min-height: 100vh;
  background-color: var(--bg-color);
  background-image: url('bg.png');
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover;
  background-attachment: fixed;
  color: var(--text-primary);
  font-family: var(--font-body);
  display: flex;
  flex-direction: column;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Base Link */
a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-smooth);
}

/* ==========================================================================
   Layout Wrapper
   ========================================================================== */

.site-wrapper {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  width: 100%;
}

/* ==========================================================================
   Hero / Main Content Section
   ========================================================================== */

.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 4.5rem 1.5rem 3.5rem;
  max-width: 1300px;
  margin: 0 auto;
  width: 100%;
}

/* Logo */
.logo-container {
  margin-bottom: 2.25rem;
}

.logo-link {
  display: inline-block;
  transition: var(--transition-smooth);
}

.logo-link:hover {
  transform: translateY(-2px);
  filter: drop-shadow(0 0 14px rgba(255, 255, 255, 0.25));
}

.brand-logo {
  display: block;
  width: 190px;
  height: auto;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.6);
  image-rendering: -webkit-optimize-contrast;
}

/* Main Heading */
.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5vw, 4.25rem);
  font-weight: 500;
  letter-spacing: -0.025em;
  color: var(--text-primary);
  margin-bottom: 1.75rem;
  line-height: 1.15;
}

/* Business Classification */
.classification-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: fit-content;
  margin: 0 auto 2.5rem;
}

.classification-rule {
  width: 290px;
  height: 1px;
  background-color: var(--crimson-divider);
  box-shadow: 0 0 6px var(--crimson-glow);
}

.classification-text {
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 400;
  letter-spacing: 0.03em;
  color: var(--text-secondary);
  padding: 0.55rem 1rem;
}

/* Tagline / Subtitle */
.hero-tagline {
  font-family: var(--font-body);
  font-size: clamp(1.2rem, 2.2vw, 1.65rem);
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  margin-bottom: 4rem;
  max-width: 800px;
}

/* ==========================================================================
   Contact Row
   ========================================================================== */

.contact-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 2rem 2.5rem;
  max-width: 1100px;
  margin: 0 auto;
}

.contact-item {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  font-size: 0.95rem;
  color: var(--text-secondary);
  font-weight: 400;
  transition: var(--transition-smooth);
}

.contact-link:hover {
  color: var(--text-primary);
  transform: translateY(-1px);
}

.contact-link:hover .icon-badge {
  border-color: var(--crimson-border-bright);
  box-shadow: 0 0 20px rgba(220, 38, 38, 0.35);
  background-color: rgba(35, 10, 15, 0.85);
}

.icon-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background-color: var(--crimson-badge-bg);
  border: 1px solid var(--crimson-border);
  box-shadow: 0 0 16px var(--crimson-glow);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  flex-shrink: 0;
  transition: var(--transition-smooth);
}

.contact-icon {
  width: 19px;
  height: 19px;
  color: #e5e7eb;
  transition: var(--transition-smooth);
}

.contact-link:hover .contact-icon {
  color: #ffffff;
}

.contact-text {
  letter-spacing: 0.01em;
  font-size: 0.93rem;
  white-space: nowrap;
}

/* ==========================================================================
   Divider Line
   ========================================================================== */

.divider-line {
  width: 100%;
  height: 1px;
  background-color: var(--crimson-divider);
  box-shadow: 0 0 12px var(--crimson-glow);
  margin-bottom: 2.25rem;
}

/* ==========================================================================
   Related Brands Section
   ========================================================================== */

.related-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 0 1.5rem 1.5rem;
  text-align: center;
}

.related-title {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--text-primary);
  margin-bottom: 1.75rem;
}

.brand-cards {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1.75rem;
}

.brand-card {
  width: 220px;
  height: 118px;
  border-radius: 18px;
  background-color: var(--crimson-card-bg);
  border: 1px solid var(--crimson-border);
  box-shadow: 0 0 20px rgba(160, 20, 30, 0.08);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 1rem 0.85rem;
  text-decoration: none;
  cursor: pointer;
  outline: none;
  transition: var(--transition-smooth);
}

.brand-card-main {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 38px;
  position: relative;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.brand-name {
  font-family: var(--font-body);
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--text-primary);
  letter-spacing: 0.01em;
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.brand-logo-wrap {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.brand-logo-img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  display: block;
}

.softversum-logo {
  max-width: 155px;
  max-height: 22px;
}

.brickalpha-logo {
  max-width: 200px;
  max-height: auto;
  padding: 3px 8px;
  border-radius: 6px;
  margin-left: 10px;
}

.brand-cta {
  position: absolute;
  bottom: 12px;
  left: 0;
  right: 0;
  text-align: center;
  font-family: var(--font-body);
  font-size: 0.76rem;
  font-weight: 400;
  color: #f87171;
  letter-spacing: 0.01em;
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease, color 0.2s ease;
}

.brand-cta u {
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* Hover & Focus Interactions */
.brand-card:hover,
.brand-card:focus-visible {
  transform: translateY(-3px);
  border-color: var(--crimson-border-bright);
  box-shadow: 0 0 28px rgba(220, 38, 38, 0.28);
  background-color: rgba(26, 8, 12, 0.88);
}

.brand-card:hover .brand-card-main,
.brand-card:focus-visible .brand-card-main {
  transform: translateY(-10px);
}

.brand-card:hover .brand-name,
.brand-card:focus-visible .brand-name {
  opacity: 0;
  transform: translateY(-8px);
}

.brand-card:hover .brand-logo-wrap,
.brand-card:focus-visible .brand-logo-wrap {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.brand-card:hover .brand-cta,
.brand-card:focus-visible .brand-cta {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
  color: #fca5a5;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  width: 100%;
  padding: 1.75rem 3.5rem 2.25rem;
  font-size: 0.82rem;
  color: var(--text-footer);
}

.footer-container {
  max-width: 1440px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.copyright {
  color: var(--text-footer);
  letter-spacing: 0.01em;
}

.footer-nav {
  display: flex;
}

.nav-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 2.25rem;
}

.footer-link {
  color: var(--text-muted);
  letter-spacing: 0.015em;
  transition: var(--transition-smooth);
}

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

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */

@media (max-width: 1024px) {
  .site-footer {
    padding: 1.5rem 2rem 2rem;
  }
}

@media (max-width: 768px) {
  .main-content {
    padding: 3rem 1.25rem 2rem;
  }

  .hero-tagline {
    margin-bottom: 2.75rem;
  }

  .contact-row {
    flex-direction: column;
    align-items: center;
    gap: 1.25rem;
  }

  .contact-text {
    white-space: normal;
    text-align: left;
  }

  .divider-line {
    margin-top: 2.75rem;
    margin-bottom: 2rem;
  }

  .footer-container {
    flex-direction: column;
    text-align: center;
    justify-content: center;
    gap: 1.25rem;
  }

  .nav-list {
    justify-content: center;
    gap: 1.5rem;
  }
}

@media (max-width: 480px) {
  .brand-logo {
    width: 160px;
  }

  .classification-rule {
    width: 220px;
  }

  .brand-card {
    width: 200px;
    height: 112px;
  }
}

/* ==========================================================================
   Modal Dialogs (Impressum, Datenschutz, AGB, Kontakt)
   ========================================================================== */

body.modal-open {
  overflow: hidden;
}

.modal-overlay {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(3, 3, 5, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.25s cubic-bezier(0.16, 1, 0.3, 1),
    visibility 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-overlay.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.modal-card {
  width: 100%;
  max-width: 680px;
  max-height: 86vh;
  background-color: rgba(15, 6, 9, 0.96);
  border: 1px solid var(--crimson-border);
  border-radius: 20px;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.9),
    0 0 40px rgba(220, 38, 38, 0.16);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  transform: scale(0.95) translateY(12px);
  transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1),
    border-color 0.28s ease,
    box-shadow 0.28s ease;
  overflow: hidden;
}

.modal-overlay.is-open .modal-card {
  transform: scale(1) translateY(0);
}

/* Modal Header */
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 1.75rem 1.25rem;
  border-bottom: 1px solid rgba(140, 25, 35, 0.3);
}

.modal-title {
  font-family: var(--font-heading);
  font-size: 1.45rem;
  font-weight: 500;
  color: var(--text-primary);
  letter-spacing: -0.015em;
}

.modal-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition-smooth);
}

.modal-close:hover {
  background-color: rgba(180, 25, 35, 0.35);
  border-color: var(--crimson-border-bright);
  color: var(--text-primary);
  transform: scale(1.05);
}

/* Modal Body */
.modal-body {
  padding: 1.75rem;
  overflow-y: auto;
  color: var(--text-secondary);
  font-family: var(--font-body);
  font-size: 0.93rem;
  line-height: 1.68;
}

/* Custom Scrollbar for Modal Body */
.modal-body::-webkit-scrollbar {
  width: 6px;
}

.modal-body::-webkit-scrollbar-track {
  background: rgba(15, 6, 9, 0.5);
}

.modal-body::-webkit-scrollbar-thumb {
  background: rgba(140, 25, 35, 0.4);
  border-radius: 3px;
}

.modal-body::-webkit-scrollbar-thumb:hover {
  background: rgba(220, 38, 38, 0.7);
}

/* Modal Sections */
.modal-section {
  margin-bottom: 1.5rem;
}

.modal-section:last-child {
  margin-bottom: 0;
}

.modal-section h3 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  letter-spacing: -0.01em;
}

.modal-section p {
  color: #cbd5e1;
  margin-bottom: 0.5rem;
}

.modal-section strong {
  color: var(--text-primary);
}

.text-link {
  color: #f87171;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: var(--transition-smooth);
}

.text-link:hover {
  color: #fca5a5;
  text-shadow: 0 0 8px rgba(248, 113, 113, 0.5);
}

/* Modal Footer */
.modal-footer {
  display: flex;
  justify-content: flex-end;
  padding: 1rem 1.75rem 1.25rem;
  border-top: 1px solid rgba(140, 25, 35, 0.3);
  background-color: rgba(10, 4, 6, 0.6);
}

.btn-modal-close {
  padding: 0.6rem 1.4rem;
  border-radius: 10px;
  background-color: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.btn-modal-close:hover {
  background-color: rgba(180, 25, 35, 0.3);
  border-color: var(--crimson-border-bright);
}

/* ==========================================================================
   Kontakt Modal Specifics & Form
   ========================================================================== */

.kontakt-lead {
  font-size: 0.95rem;
  color: #cbd5e1;
  margin-bottom: 1.5rem;
}

.kontakt-info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
  padding: 1.25rem;
  background-color: rgba(25, 9, 13, 0.55);
  border: 1px solid var(--crimson-border);
  border-radius: 14px;
}

.kontakt-info-item {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
}

.kontakt-info-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 9px;
  background: var(--crimson-badge-bg);
  border: 1px solid var(--crimson-border);
  box-shadow: 0 0 10px var(--crimson-glow);
  color: #f87171;
  flex-shrink: 0;
}

.kontakt-info-label {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}

.kontakt-info-val {
  font-size: 0.9rem;
  color: var(--text-primary);
  line-height: 1.4;
  margin: 0;
}

.kontakt-action {
  margin-top: 0.5rem;
}

.btn-submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  width: 100%;
  padding: 0.85rem 1.5rem;
  background: linear-gradient(135deg, #b91c1c, #7f1d1d);
  border: 1px solid rgba(248, 113, 113, 0.3);
  border-radius: 10px;
  color: #ffffff;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(185, 28, 28, 0.3);
  transition: var(--transition-smooth);
  text-decoration: none;
}

.btn-submit:hover {
  background: linear-gradient(135deg, #dc2626, #991b1b);
  box-shadow: 0 6px 25px rgba(220, 38, 38, 0.45);
  transform: translateY(-1px);
  color: #ffffff;
}

.btn-submit:active {
  transform: translateY(0);
}

@media (max-width: 640px) {
  .modal-card {
    max-height: 92vh;
    border-radius: 16px;
  }

  .modal-header,
  .modal-body,
  .modal-footer {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }

  .kontakt-info-grid {
    grid-template-columns: 1fr;
  }
}