/* ==========================================================================
   TEQHILL UG (haftungsbeschränkt) - Premium Stylesheet
   ========================================================================== */

/* Typography: Plus Jakarta Sans (Variable Font, local & DSGVO-compliant) */
@font-face {
  font-family: 'Plus Jakarta Sans';
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url('../fonts/plus-jakarta-sans-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Plus Jakarta Sans';
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url('../fonts/plus-jakarta-sans-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  
  /* Brand Gradient (from TEQHILL Logo Q tail) */
  --brand-purple: #7928ca;
  --brand-pink: #ec4899;
  --brand-coral: #f43f5e;
  --brand-gradient: linear-gradient(135deg, #7c3aed 0%, #c026d3 50%, #f43f5e 100%);
  --brand-gradient-hover: linear-gradient(135deg, #6d28d9 0%, #a21caf 50%, #e11d48 100%);
  --brand-glow: rgba(124, 58, 237, 0.25);
  
  /* Dark Mode Palette (Default) */
  --bg-primary: #090a0f;
  --bg-secondary: #12141c;
  --bg-card: rgba(18, 20, 28, 0.7);
  --bg-card-hover: rgba(26, 29, 41, 0.85);
  --bg-modal: #0d0f17;
  
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-medium: rgba(255, 255, 255, 0.15);
  --border-glow: rgba(124, 58, 237, 0.4);
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --nav-bg: rgba(9, 10, 15, 0.75);
  --modal-overlay: rgba(3, 4, 7, 0.8);
  --badge-bg: rgba(124, 58, 237, 0.12);
  --badge-text: #c084fc;
  --badge-border: rgba(192, 132, 252, 0.25);
  
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.45);
  --shadow-glow: 0 0 50px rgba(124, 58, 237, 0.2);
  
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --radius-full: 9999px;
  
  --transition-fast: 0.18s ease;
  --transition-normal: 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}

/* System Light Mode: Automatically active when browser/OS prefers light (unless user explicitly selected dark) */
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg-primary: #fbfbfd;
    --bg-secondary: #f1f3f7;
    --bg-card: rgba(255, 255, 255, 0.85);
    --bg-card-hover: rgba(255, 255, 255, 0.98);
    --bg-modal: #ffffff;
    
    --border-subtle: rgba(0, 0, 0, 0.08);
    --border-medium: rgba(0, 0, 0, 0.14);
    --border-glow: rgba(124, 58, 237, 0.35);
    
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #8092a4;
    
    --nav-bg: rgba(251, 251, 253, 0.8);
    --modal-overlay: rgba(15, 23, 42, 0.55);
    --badge-bg: rgba(124, 58, 237, 0.08);
    --badge-text: #6d28d9;
    --badge-border: rgba(109, 40, 217, 0.2);
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 12px 36px rgba(0, 0, 0, 0.08);
    --shadow-glow: 0 0 45px rgba(124, 58, 237, 0.12);
  }

  :root:not([data-theme="dark"]) .ambient-glow-1 {
    background: radial-gradient(circle, rgba(124, 58, 237, 0.12) 0%, rgba(236, 72, 153, 0.06) 45%, rgba(255, 255, 255, 0) 70%);
  }

  :root:not([data-theme="dark"]) .sun-icon { display: block; }
  :root:not([data-theme="dark"]) .moon-icon { display: none; }

  :root:not([data-theme="dark"]) .logo-light-theme { display: block; }
  :root:not([data-theme="dark"]) .logo-dark-theme { display: none; }
}

/* Explicit Light Theme (via toggle button) */
[data-theme="light"] {
  --bg-primary: #fbfbfd;
  --bg-secondary: #f1f3f7;
  --bg-card: rgba(255, 255, 255, 0.85);
  --bg-card-hover: rgba(255, 255, 255, 0.98);
  --bg-modal: #ffffff;
  
  --border-subtle: rgba(0, 0, 0, 0.08);
  --border-medium: rgba(0, 0, 0, 0.14);
  --border-glow: rgba(124, 58, 237, 0.35);
  
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #8092a4;
  
  --nav-bg: rgba(251, 251, 253, 0.8);
  --modal-overlay: rgba(15, 23, 42, 0.55);
  --badge-bg: rgba(124, 58, 237, 0.08);
  --badge-text: #6d28d9;
  --badge-border: rgba(109, 40, 217, 0.2);
  
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 12px 36px rgba(0, 0, 0, 0.08);
  --shadow-glow: 0 0 45px rgba(124, 58, 237, 0.12);
}

[data-theme="light"] .ambient-glow-1 {
  background: radial-gradient(circle, rgba(124, 58, 237, 0.12) 0%, rgba(236, 72, 153, 0.06) 45%, rgba(255, 255, 255, 0) 70%);
}

[data-theme="light"] .sun-icon { display: block; }
[data-theme="light"] .moon-icon { display: none; }

[data-theme="light"] .logo-light-theme { display: block; }
[data-theme="light"] .logo-dark-theme { display: none; }

/* Explicit Dark Theme (via toggle button) */
[data-theme="dark"] {
  --bg-primary: #090a0f;
  --bg-secondary: #12141c;
  --bg-card: rgba(18, 20, 28, 0.7);
  --bg-card-hover: rgba(26, 29, 41, 0.85);
  --bg-modal: #0d0f17;
  
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-medium: rgba(255, 255, 255, 0.15);
  --border-glow: rgba(124, 58, 237, 0.4);
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --nav-bg: rgba(9, 10, 15, 0.75);
  --modal-overlay: rgba(3, 4, 7, 0.8);
  --badge-bg: rgba(124, 58, 237, 0.12);
  --badge-text: #c084fc;
  --badge-border: rgba(192, 132, 252, 0.25);
  
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.45);
  --shadow-glow: 0 0 50px rgba(124, 58, 237, 0.2);
}

[data-theme="dark"] .ambient-glow-1 {
  background: radial-gradient(circle, rgba(124, 58, 237, 0.16) 0%, rgba(236, 72, 153, 0.08) 45%, rgba(0, 0, 0, 0) 70%);
}

[data-theme="dark"] .sun-icon { display: none; }
[data-theme="dark"] .moon-icon { display: block; }

[data-theme="dark"] .logo-light-theme { display: none; }
[data-theme="dark"] .logo-dark-theme { display: block; }


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

html {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow-x: hidden;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Ambient Background Lights */
.bg-ambient {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.ambient-glow-1 {
  position: absolute;
  top: -15%;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 600px;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.16) 0%, rgba(236, 72, 153, 0.08) 45%, rgba(0, 0, 0, 0) 70%);
  filter: blur(80px);
  opacity: 0.9;
  will-change: transform;
}


.ambient-glow-2 {
  position: absolute;
  bottom: -20%;
  right: 10%;
  width: 600px;
  height: 500px;
  background: radial-gradient(circle, rgba(236, 72, 153, 0.08) 0%, rgba(124, 58, 237, 0.04) 50%, rgba(0, 0, 0, 0) 70%);
  filter: blur(90px);
}

/* Subtle Geometric Grid Overlay */
.bg-grid {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
  background-size: 40px 40px;
  background-image: 
    linear-gradient(to right, var(--border-subtle) 1px, transparent 1px),
    linear-gradient(to bottom, var(--border-subtle) 1px, transparent 1px);
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 20%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 20%, transparent 80%);
  opacity: 0.5;
}

/* Header & Navigation */
.header {
  position: sticky;
  top: 0;
  width: 100%;
  z-index: 100;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background-color: var(--nav-bg);
  border-bottom: 1px solid var(--border-subtle);
  transition: all var(--transition-normal);
}

.header-container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 1.1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-badge {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: -0.01em;
}

.brand-symbol {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  object-fit: cover;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

.brand-tag {
  font-size: 0.72rem;
  font-weight: 500;
  padding: 0.2rem 0.6rem;
  background: var(--badge-bg);
  color: var(--badge-text);
  border: 1px solid var(--badge-border);
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  padding: 0.4rem 0.6rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background-color var(--transition-fast);
  cursor: pointer;
  background: none;
  border: none;
}

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

/* Theme Toggle Button (Floating Top Right) */
.theme-toggle-btn {
  position: fixed;
  top: 1.5rem;
  right: 1.5rem;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.theme-toggle-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-medium);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.22);
}

.theme-toggle-btn svg {
  width: 19px;
  height: 19px;
}

.sun-icon { display: none; }
.moon-icon { display: block; }


/* Main Content Area */
.main-wrapper {
  position: relative;
  z-index: 1;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 4rem 1.5rem 5rem;
  max-width: 1160px;
  width: 100%;
  margin: 0 auto;
}

/* Hero Section */
.hero-section {
  text-align: center;
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* Logo Display */
.logo-container {
  position: relative;
  margin-bottom: 2.75rem;
  padding: 1.5rem;
  display: inline-flex;
  justify-content: center;
  align-items: center;
}

.logo-glow {
  position: absolute;
  width: 140%;
  height: 140%;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.22) 0%, rgba(236, 72, 153, 0.1) 40%, rgba(0, 0, 0, 0) 70%);
  filter: blur(40px);
  pointer-events: none;
  z-index: -1;
  animation: pulse-glow 6s ease-in-out infinite alternate;
}

@keyframes pulse-glow {
  0% { transform: scale(0.95); opacity: 0.7; }
  100% { transform: scale(1.08); opacity: 1; }
}

.hero-logo {
  max-width: 480px;
  width: 90vw;
  height: auto;
  display: block;
  filter: drop-shadow(0 10px 24px rgba(0, 0, 0, 0.2));
  transition: transform var(--transition-normal);
}

.hero-logo:hover {
  transform: scale(1.02);
}

/* Dynamic Logo Switch based on theme */
.logo-light-theme { display: none; }
.logo-dark-theme { display: block; }


/* Status Pill */
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  background: var(--badge-bg);
  border: 1px solid var(--badge-border);
  color: var(--badge-text);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  margin-bottom: 1.75rem;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--brand-pink);
  position: relative;
}

.status-dot::after {
  content: '';
  position: absolute;
  top: -3px;
  left: -3px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: inherit;
  opacity: 0.6;
  animation: ping 2s cubic-bezier(0, 0, 0.2, 1) infinite;
}

@keyframes ping {
  75%, 100% {
    transform: scale(2);
    opacity: 0;
  }
}

.hero-title {
  font-size: clamp(1.45rem, 4vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.2;
  margin-bottom: 1.25rem;
  color: var(--text-primary);
  white-space: nowrap;
}

.gradient-text {
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.hero-description {
  font-size: clamp(1.05rem, 2vw, 1.2rem);
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 640px;
  margin: 0 auto 2.5rem;
}

/* Action Buttons */
.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.1rem;
  flex-wrap: wrap;
  margin-bottom: 0;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.85rem 1.85rem;
  border-radius: var(--radius-full);
  background: var(--brand-gradient);
  color: #ffffff;
  font-weight: 600;
  font-size: 0.98rem;
  text-decoration: none;
  box-shadow: 0 4px 20px var(--brand-glow);
  transition: all var(--transition-fast);
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  background: var(--brand-gradient-hover);
  box-shadow: 0 6px 26px rgba(124, 58, 237, 0.4);
  transform: translateY(-2px);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.85rem 1.65rem;
  border-radius: var(--radius-full);
  background: var(--bg-card);
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.98rem;
  text-decoration: none;
  border: 1px solid var(--border-subtle);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.btn-secondary:hover {
  border-color: var(--border-medium);
  background: var(--bg-card-hover);
  transform: translateY(-2px);
}

/* Contact Cards Grid */
.contact-section {
  width: 100%;
  max-width: 900px;
  margin-top: 1rem;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 1.5rem;
}

.contact-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 2rem 1.75rem;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.contact-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-glow);
  box-shadow: var(--shadow-glow);
  background: var(--bg-card-hover);
}

.card-icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: var(--badge-bg);
  color: var(--badge-text);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.card-icon svg {
  width: 22px;
  height: 22px;
}

.card-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.card-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  flex: 1;
}

.card-action {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--badge-text);
  font-weight: 600;
  font-size: 0.92rem;
  text-decoration: none;
  transition: gap var(--transition-fast);
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
  text-align: left;
}

.card-action:hover {
  gap: 0.75rem;
}

.copy-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 0.4rem;
  cursor: pointer;
  border: none;
  background: none;
  transition: color var(--transition-fast);
}

.copy-badge:hover {
  color: var(--text-primary);
}

/* Footer */
.footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--border-subtle);
  background-color: var(--bg-primary);
  padding: 2.2rem 2rem;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.footer-container {
  max-width: 1160px;
  margin: 0 auto;
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.footer-company {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.footer-company strong {
  color: var(--text-secondary);
  font-weight: 600;
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.footer-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
  transition: color var(--transition-fast);
  text-decoration: none;
  padding: 0;
}

.footer-btn:hover {
  color: var(--text-primary);
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* ==========================================================================
   Subpages (Impressum & Datenschutzerklärung)
   ========================================================================== */
.subpage-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--nav-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.subpage-header-container {
  max-width: 920px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.subpage-brand {
  display: flex;
  align-items: center;
  text-decoration: none;
  transition: opacity var(--transition-fast);
}

.subpage-brand:hover {
  opacity: 0.85;
}

.subpage-brand img {
  height: 26px;
  width: auto;
  display: block;
}

.subpage-header-actions {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.subpage-header .theme-toggle-btn {
  position: static;
  width: 40px;
  height: 40px;
  flex-shrink: 0;
}

.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-decoration: none;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  transition: all var(--transition-fast);
}

.back-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-medium);
  background: var(--bg-card-hover);
  transform: translateX(-2px);
}

.back-btn svg {
  width: 15px;
  height: 15px;
  transition: transform var(--transition-fast);
}

.back-btn:hover svg {
  transform: translateX(-2px);
}

/* Subpage Content Container */
.subpage-main {
  position: relative;
  z-index: 1;
  max-width: 920px;
  margin: 0 auto;
  padding: 3rem 1.5rem 5rem;
}

.subpage-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  padding: 3rem 3.5rem;
  box-shadow: var(--shadow-md);
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.75;
}

.subpage-intro {
  margin-bottom: 2.25rem;
  padding-bottom: 1.75rem;
  border-bottom: 1px solid var(--border-subtle);
}

.subpage-title {
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--text-primary);
  margin-top: 0.5rem;
  margin-bottom: 0.4rem;
  line-height: 1.2;
}

.subpage-subtitle {
  font-size: 1rem;
  color: var(--text-secondary);
  margin: 0;
}

.subpage-crosslinks {
  margin-top: 3.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.subpage-crosslinks-text {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
}

.subpage-crosslinks-buttons {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.subpage-crosslink-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--badge-text);
  background: var(--badge-bg);
  border: 1px solid var(--badge-border);
  border-radius: var(--radius-sm);
  padding: 0.45rem 0.85rem;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.subpage-crosslink-btn:hover {
  background: var(--border-glow);
  color: var(--text-primary);
  transform: translateY(-1px);
}

/* ==========================================================================
   Modals (Impressum & Datenschutzerklärung)
   ========================================================================== */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.modal.active {
  opacity: 1;
  visibility: visible;
}

.modal-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--modal-overlay);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.modal-dialog {
  position: relative;
  z-index: 2;
  background: var(--bg-modal);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  max-width: 820px;
  width: 100%;
  max-height: 88vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-md);
  transform: translateY(20px) scale(0.98);
  transition: transform var(--transition-normal);
  overflow: hidden;
}

.modal.active .modal-dialog {
  transform: translateY(0) scale(1);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-modal);
  position: sticky;
  top: 0;
  z-index: 10;
}

.modal-title-group {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.modal-title {
  font-size: 1.45rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.modal-close-btn {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.modal-close-btn:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
  border-color: var(--border-medium);
}

.modal-close-btn svg {
  width: 18px;
  height: 18px;
}

.modal-body {
  padding: 2.25rem 2rem 3rem;
  overflow-y: auto;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.75;
}

/* Custom Scrollbar for Modal */
.modal-body::-webkit-scrollbar {
  width: 6px;
}
.modal-body::-webkit-scrollbar-track {
  background: transparent;
}
.modal-body::-webkit-scrollbar-thumb {
  background: var(--border-medium);
  border-radius: 4px;
}

/* Typography inside Legal Modals */
.legal-content h3 {
  color: var(--text-primary);
  font-size: 1.15rem;
  font-weight: 700;
  margin-top: 2rem;
  margin-bottom: 0.6rem;
  letter-spacing: -0.01em;
}

.legal-content h3:first-child {
  margin-top: 0;
}

.legal-content h4 {
  color: var(--text-primary);
  font-size: 1rem;
  font-weight: 600;
  margin-top: 1.3rem;
  margin-bottom: 0.4rem;
}

.legal-content p {
  margin-bottom: 1rem;
}

.legal-content ul {
  margin-bottom: 1.25rem;
  padding-left: 1.5rem;
}

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

.legal-content a {
  color: var(--badge-text);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.legal-content a:hover {
  color: var(--brand-pink);
}

.legal-badge-pill {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-sm);
  background: var(--badge-bg);
  color: var(--badge-text);
  margin-bottom: 1rem;
}

.highlight-box {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 1.25rem;
  margin: 1.25rem 0;
  font-size: 0.92rem;
}

/* ==========================================================================
   Contact Modal & Form System
   ========================================================================== */
.modal-dialog-contact {
  max-width: 620px;
}

.modal-badge-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--badge-bg);
  color: var(--badge-text);
  border: 1px solid var(--badge-border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.modal-subtitle {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-top: 0.2rem;
  line-height: 1.4;
}

.modal-body-contact {
  padding: 1.75rem 2rem 2.25rem;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-row-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  position: relative;
}

.form-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.required-star {
  color: #f43f5e;
  margin-left: 0.2rem;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: inherit;
  font-size: 0.92rem;
  color: var(--text-primary);
  background: var(--bg-secondary);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-muted);
  opacity: 0.8;
}

.form-input:focus,
.form-textarea:focus {
  border-color: var(--brand-purple);
  box-shadow: 0 0 0 3px var(--brand-glow);
  background: var(--bg-card);
}

.form-input.is-invalid,
.form-textarea.is-invalid {
  border-color: #f43f5e !important;
  box-shadow: 0 0 0 3px rgba(244, 63, 94, 0.2) !important;
}

.form-textarea {
  resize: vertical;
  min-height: 95px;
  line-height: 1.55;
}

.field-error {
  font-size: 0.78rem;
  color: #f43f5e;
  display: none;
  margin-top: 0.15rem;
  line-height: 1.3;
}

.field-error.show {
  display: block;
}

/* Alert Banner */
.form-alert {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  padding: 1rem 1.15rem;
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  line-height: 1.5;
}

.form-alert-error {
  background: rgba(244, 63, 94, 0.1);
  border: 1px solid rgba(244, 63, 94, 0.3);
  color: #fda4af;
}

[data-theme="light"] .form-alert-error {
  background: #fff1f2;
  border-color: #fecdd3;
  color: #9f1239;
}

.form-alert-error svg {
  flex-shrink: 0;
  margin-top: 0.15rem;
  color: #f43f5e;
}

.alert-content {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.alert-title {
  font-weight: 600;
}

/* Local Anti-Bot Challenge Styles */
.form-group-security {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1rem 1.15rem;
}

.security-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.65rem;
}

.btn-refresh-captcha {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  background: transparent;
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  border-radius: var(--radius-full);
  padding: 0.25rem 0.6rem;
  font-size: 0.76rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-refresh-captcha:hover {
  color: var(--text-primary);
  border-color: var(--border-medium);
  background: var(--bg-card-hover);
}

.btn-refresh-captcha.rotating svg {
  animation: spin 0.6s linear;
}

.security-challenge-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.security-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--badge-bg);
  border: 1px solid var(--badge-border);
  padding: 0.65rem 0.95rem;
  border-radius: var(--radius-md);
  user-select: none;
}

.security-icon {
  font-size: 1rem;
}

.security-math {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--badge-text);
}

.form-input-security {
  max-width: 140px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 1.05rem;
  font-weight: 600;
  text-align: center;
  padding: 0.65rem 0.85rem;
}

.security-hint {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
  display: block;
  line-height: 1.4;
}

/* Privacy Checkbox */
.form-group-checkbox {
  margin-top: 0.25rem;
}

.checkbox-container {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  position: relative;
  cursor: pointer;
  font-size: 0.82rem;
  line-height: 1.5;
  color: var(--text-secondary);
  user-select: none;
}

.checkbox-input {
  position: absolute;
  opacity: 0;
  cursor: pointer;
  height: 0;
  width: 0;
}

.checkbox-checkmark {
  position: relative;
  top: 2px;
  width: 18px;
  height: 18px;
  background: var(--bg-secondary);
  border: 1.5px solid var(--border-medium);
  border-radius: 5px;
  flex-shrink: 0;
  transition: all var(--transition-fast);
}

.checkbox-container:hover .checkbox-checkmark {
  border-color: var(--brand-purple);
}

.checkbox-input:focus-visible ~ .checkbox-checkmark {
  box-shadow: 0 0 0 3px var(--brand-glow);
  border-color: var(--brand-purple);
}

.checkbox-input:checked ~ .checkbox-checkmark {
  background: var(--brand-gradient);
  border-color: transparent;
}

.checkbox-checkmark::after {
  content: "";
  position: absolute;
  display: none;
  left: 6px;
  top: 2px;
  width: 4px;
  height: 9px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.checkbox-input:checked ~ .checkbox-checkmark::after {
  display: block;
}

.checkbox-label-text a {
  color: var(--brand-pink);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.checkbox-label-text a:hover {
  color: var(--text-primary);
}

/* Form Action Buttons */
.modal-form-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.85rem;
  margin-top: 0.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-subtle);
}

.btn-submit {
  min-width: 175px;
}

.btn-label-default {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-label-loading {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: #ffffff;
  animation: spin 0.7s linear infinite;
  display: inline-block;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Success Screen inside Modal */
.contact-status-screen {
  text-align: center;
  padding: 2rem 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.1rem;
}

.status-icon {
  width: 68px;
  height: 68px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.3rem;
}

.success-icon {
  background: rgba(34, 197, 94, 0.12);
  color: #22c55e;
  border: 1px solid rgba(34, 197, 94, 0.25);
  box-shadow: 0 0 35px rgba(34, 197, 94, 0.18);
}

.status-heading {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin: 0;
}

.status-message {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 440px;
  margin: 0 auto;
}

/* Toast Notification for Clipboard Copy */
.toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-medium);
  box-shadow: var(--shadow-md);
  border-radius: var(--radius-full);
  padding: 0.65rem 1.3rem;
  font-size: 0.88rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  z-index: 2000;
  opacity: 0;
  pointer-events: none;
  transition: transform var(--transition-normal), opacity var(--transition-normal);
}

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

.toast-icon {
  color: #10b981;
}

/* Responsive Breakpoints */
@media (max-width: 768px) {
  .theme-toggle-btn {
    top: 1rem;
    right: 1rem;
    width: 38px;
    height: 38px;
  }
  .header-container {
    padding: 1rem 1.25rem;
  }
  
  .nav-links {
    gap: 0.75rem;
  }
  
  .main-wrapper {
    padding: 2.5rem 1.25rem 4rem;
  }
  
  .hero-logo {
    max-width: 320px;
  }
  
  .cards-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-container {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.25rem;
  }
  
  .modal-dialog {
    max-height: 94vh;
  }
  
  .modal-header {
    padding: 1.2rem 1.5rem;
  }
  
  .modal-body {
    padding: 1.5rem 1.25rem 2rem;
  }

  .modal-body-contact {
    padding: 1.25rem 1.15rem 1.75rem;
  }

  .form-row-2col {
    grid-template-columns: 1fr;
    gap: 1.1rem;
  }

  .modal-form-actions {
    flex-direction: column-reverse;
  }

  .modal-form-actions button {
    width: 100%;
  }

  .security-challenge-row {
    flex-wrap: wrap;
  }

  /* Subpage Responsive Adjustments */
  .subpage-main {
    padding: 2rem 1rem 4rem;
  }

  .subpage-card {
    padding: 2rem 1.25rem;
  }

  .subpage-title {
    font-size: 1.75rem;
  }

  .subpage-header-container {
    padding: 0.85rem 1rem;
  }

  .back-btn span {
    display: none;
  }

  .back-btn {
    padding: 0.55rem;
  }

  .subpage-crosslinks {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.85rem;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: clamp(1.15rem, 5.5vw, 1.55rem);
  }
}