/* ==========================================================================
   Leguane Landau e.V. – Modern, Clean, Responsive Stylesheet
   Pure Vanilla CSS – No Frameworks, No External Webfonts
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Design Tokens & CSS Custom Properties
   -------------------------------------------------------------------------- */
:root {
  /* Color Palette */
  --color-primary: #0d9488;         /* Fresh Teal */
  --color-primary-hover: #0f766e;
  --color-primary-light: #ccfbf1;
  --color-secondary: #1e293b;       /* Slate Dark */
  --color-secondary-hover: #0f172a;
  --color-accent: #f59e0b;          /* Vibrant Amber / Gold */
  --color-accent-hover: #d97706;
  
  /* Background & Surface Colors */
  --color-bg: #ffffff;
  --color-bg-light: #f8fafc;
  --color-surface: #ffffff;
  --color-surface-card: #ffffff;
  --color-border: #e2e8f0;
  --color-border-focus: #0d9488;
  
  /* Text Colors */
  --color-text-main: #1e293b;
  --color-text-muted: #64748b;
  --color-text-light: #94a3b8;
  --color-text-inverse: #ffffff;

  /* State & Feedback Colors */
  --color-success-bg: #ecfdf5;
  --color-success-border: #6ee7b7;
  --color-success-text: #065f46;
  --color-error-bg: #fef2f2;
  --color-error-border: #fca5a5;
  --color-error-text: #991b1b;

  /* Typography (High Performance System Font Stack) */
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
  --font-size-base: 1rem;       /* 16px */
  --line-height-base: 1.6;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2.5rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;

  /* Layout */
  --container-max-width: 1140px;
  --container-readable-width: 760px;
  --header-height: 72px;
  --border-radius-sm: 6px;
  --border-radius-md: 12px;
  --border-radius-lg: 20px;
  --border-radius-pill: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --shadow-hover: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.05);

  /* Transitions */
  --transition-fast: 0.15s ease-in-out;
  --transition-normal: 0.25s ease-in-out;
}

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

html {
  font-family: var(--font-family);
  font-size: 16px;
  line-height: var(--line-height-base);
  color: var(--color-text-main);
  background-color: var(--color-bg);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-hover);
}

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

/* Accessible focus ring */
:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
}

/* Skip link for screen readers & keyboard users */
.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-md);
  background: var(--color-secondary);
  color: #ffffff;
  padding: var(--space-sm) var(--space-md);
  z-index: 10000;
  border-radius: var(--border-radius-sm);
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-md);
}

/* --------------------------------------------------------------------------
   3. Layout & Global Utilities
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-lg);
  padding-right: var(--space-lg);
}

.max-w-readable {
  max-width: var(--container-readable-width);
}

.section {
  padding-top: var(--space-3xl);
  padding-bottom: var(--space-3xl);
}

.bg-light {
  background-color: var(--color-bg-light);
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.section-tag {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-primary);
  background-color: var(--color-primary-light);
  padding: 0.25rem 0.75rem;
  border-radius: var(--border-radius-pill);
  margin-bottom: var(--space-sm);
}

.section-tag-light {
  background-color: rgba(255, 255, 255, 0.2);
  color: #ffffff;
}

.section-header h2 {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 800;
  color: var(--color-secondary);
  line-height: 1.25;
  margin-bottom: var(--space-sm);
}

.section-description {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  max-width: 640px;
  margin: 0 auto;
}

/* Grid helper utilities */
.grid {
  display: grid;
  gap: var(--space-lg);
}

.grid-2-col {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-3-col {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.grid-4-col {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

/* --------------------------------------------------------------------------
   4. Buttons & Badges
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--border-radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
}

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

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background-color: var(--color-surface);
  color: var(--color-secondary);
  border-color: var(--color-border);
}

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

.btn-outline {
  background: transparent;
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-outline:hover {
  background-color: var(--color-primary);
  color: #ffffff;
}

.btn-large {
  padding: 1rem 2rem;
  font-size: 1.1rem;
}

.badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.9rem;
  font-size: 0.875rem;
  font-weight: 600;
  background-color: var(--color-primary-light);
  color: var(--color-primary-hover);
  border-radius: var(--border-radius-pill);
  margin-bottom: var(--space-md);
}

.badge-tag {
  display: inline-block;
  padding: 0.2rem 0.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  background-color: var(--color-accent);
  color: #ffffff;
  border-radius: var(--border-radius-sm);
  margin-bottom: var(--space-xs);
}

/* --------------------------------------------------------------------------
   5. Header & Navigation
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
  height: var(--header-height);
  display: flex;
  align-items: center;
  transition: box-shadow var(--transition-fast);
}

.site-header.scrolled {
  box-shadow: var(--shadow-sm);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-secondary);
}

.brand-logo:hover {
  color: var(--color-primary);
}

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

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  list-style: none;
}

.nav-link {
  color: var(--color-text-main);
  font-weight: 500;
  padding: 0.4rem 0;
  position: relative;
}

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

.btn-nav-cta {
  background-color: var(--color-primary);
  color: #ffffff !important;
  padding: 0.5rem 1.2rem;
  border-radius: var(--border-radius-md);
}

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

/* Mobile Toggle Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-around;
  width: 32px;
  height: 32px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 1001;
}

.nav-toggle-bar {
  width: 100%;
  height: 3px;
  background-color: var(--color-secondary);
  border-radius: 2px;
  transition: all var(--transition-normal);
}

/* --------------------------------------------------------------------------
   6. Hero Section
   -------------------------------------------------------------------------- */
.hero-section {
  padding-top: calc(var(--space-3xl) + 1rem);
  padding-bottom: var(--space-3xl);
  background: linear-gradient(145deg, #f0fdfa 0%, #f8fafc 100%);
  position: relative;
  overflow: hidden;
}

.hero-container {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-2xl);
  align-items: center;
}

.hero-content h1 {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 900;
  color: var(--color-secondary);
  line-height: 1.15;
  margin-bottom: var(--space-md);
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: 1.2rem;
  line-height: 1.5;
  color: var(--color-text-muted);
  margin-bottom: var(--space-xl);
  max-width: 540px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
}

.hero-highlights {
  display: flex;
  gap: var(--space-xl);
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-lg);
}

.hero-highlight-item {
  display: flex;
  flex-direction: column;
}

.highlight-number {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-primary);
}

.highlight-label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* Hero Visual Card */
.hero-visual {
  display: flex;
  justify-content: center;
}

.hero-card-stack {
  position: relative;
  width: 100%;
  max-width: 360px;
}

.hero-visual-card {
  background: linear-gradient(135deg, var(--color-primary) 0%, #0f766e 100%);
  color: #ffffff;
  padding: var(--space-xl);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  transform: rotate(-2deg);
  transition: transform var(--transition-normal);
}

.hero-visual-card:hover {
  transform: rotate(0deg) scale(1.02);
}

.visual-badge {
  display: inline-block;
  background-color: rgba(255, 255, 255, 0.2);
  padding: 0.25rem 0.6rem;
  border-radius: var(--border-radius-pill);
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: var(--space-md);
}

.hero-visual-card h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.hero-visual-card p {
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--space-lg);
}

.visual-tag {
  display: inline-block;
  background-color: var(--color-accent);
  color: var(--color-secondary);
  padding: 0.35rem 0.75rem;
  border-radius: var(--border-radius-sm);
  font-size: 0.85rem;
  font-weight: 700;
}

/* --------------------------------------------------------------------------
   7. About Section
   -------------------------------------------------------------------------- */
.about-grid {
  align-items: center;
}

.about-text-block h3 {
  font-size: 1.5rem;
  margin-bottom: var(--space-md);
  color: var(--color-secondary);
}

.about-text-block p {
  margin-bottom: var(--space-md);
  color: var(--color-text-muted);
}

.info-box {
  background-color: var(--color-bg-light);
  border-left: 4px solid var(--color-primary);
  padding: var(--space-md);
  border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
  margin-top: var(--space-lg);
  font-size: 0.95rem;
}

.about-stats-block {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: var(--space-lg);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.stat-icon {
  font-size: 1.75rem;
  display: block;
  margin-bottom: var(--space-xs);
}

.stat-card h4 {
  font-size: 1.15rem;
  color: var(--color-secondary);
  margin-bottom: 0.25rem;
}

.stat-card p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   8. Offers Section
   -------------------------------------------------------------------------- */
.feature-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: var(--space-xl) var(--space-lg);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--color-primary-light);
}

.feature-icon {
  font-size: 2.2rem;
  margin-bottom: var(--space-md);
}

.feature-card h3 {
  font-size: 1.25rem;
  color: var(--color-secondary);
  margin-bottom: var(--space-sm);
}

.feature-card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* --------------------------------------------------------------------------
   9. Events Section
   -------------------------------------------------------------------------- */
.events-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  max-width: 860px;
  margin: 0 auto;
}

.event-card {
  display: flex;
  align-items: center;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
  gap: var(--space-lg);
  transition: all var(--transition-fast);
}

.event-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.event-card.event-special {
  border-left: 5px solid var(--color-accent);
  background: linear-gradient(90deg, #fffdf8 0%, #ffffff 100%);
}

.event-date {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 130px;
  text-align: center;
  background-color: var(--color-bg-light);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--color-border);
}

.event-day {
  font-weight: 800;
  color: var(--color-secondary);
  font-size: 1.05rem;
}

.event-time {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.event-details {
  flex: 1;
}

.event-details h3 {
  font-size: 1.2rem;
  color: var(--color-secondary);
  margin-bottom: var(--space-xs);
}

.event-location {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-xs);
}

.event-desc {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.event-action {
  flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   10. Reasons Section
   -------------------------------------------------------------------------- */
.reason-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: var(--space-lg);
  position: relative;
  transition: all var(--transition-fast);
}

.reason-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.reason-number {
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--color-primary-light);
  line-height: 1;
  margin-bottom: var(--space-sm);
}

.reason-card h3 {
  font-size: 1.15rem;
  color: var(--color-secondary);
  margin-bottom: var(--space-xs);
}

.reason-card p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   11. Photo Gallery Section
   -------------------------------------------------------------------------- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-md);
}

.gallery-item {
  border-radius: var(--border-radius-md);
  overflow: hidden;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.image-placeholder {
  width: 100%;
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-md);
  position: relative;
  transition: transform var(--transition-normal);
}

.gallery-item:hover .image-placeholder {
  transform: scale(1.03);
}

.bg-gradient-1 { background: linear-gradient(135deg, #0d9488 0%, #14b8a6 100%); color: #ffffff; }
.bg-gradient-2 { background: linear-gradient(135deg, #0284c7 0%, #38bdf8 100%); color: #ffffff; }
.bg-gradient-3 { background: linear-gradient(135deg, #d97706 0%, #fbbf24 100%); color: #ffffff; }
.bg-gradient-4 { background: linear-gradient(135deg, #4f46e5 0%, #818cf8 100%); color: #ffffff; }

.placeholder-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  font-weight: 600;
}

.placeholder-icon {
  font-size: 2rem;
}

figcaption {
  padding: var(--space-sm) var(--space-md);
  font-size: 0.85rem;
  color: var(--color-text-muted);
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
}

.gallery-hint {
  text-align: center;
  font-size: 0.85rem;
  color: var(--color-text-light);
  margin-top: var(--space-sm);
}

/* --------------------------------------------------------------------------
   12. FAQ Accordion Section
   -------------------------------------------------------------------------- */
.accordion {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.accordion-item {
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  background-color: var(--color-surface);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.accordion-header {
  width: 100%;
  padding: var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
  background: transparent;
  border: none;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-secondary);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.accordion-header:hover {
  background-color: var(--color-bg-light);
}

.accordion-icon {
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--color-primary);
  transition: transform var(--transition-normal);
  line-height: 1;
}

.accordion-header[aria-expanded="true"] .accordion-icon {
  transform: rotate(45deg);
}

.accordion-body {
  padding: 0 var(--space-lg) var(--space-lg) var(--space-lg);
  color: var(--color-text-muted);
  line-height: 1.6;
  font-size: 0.95rem;
  border-top: 1px solid transparent;
}

/* --------------------------------------------------------------------------
   13. Membership & Form Section
   -------------------------------------------------------------------------- */
.section-join {
  background: linear-gradient(135deg, #0d9488 0%, #115e59 100%);
  color: #ffffff;
}

.join-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.join-header h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 800;
  color: #ffffff;
  margin-bottom: var(--space-sm);
}

.join-header p {
  color: rgba(255, 255, 255, 0.9);
  max-width: 600px;
  margin: 0 auto;
}

.join-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

.step-card {
  background-color: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--border-radius-md);
  padding: var(--space-lg);
  text-align: center;
}

.step-num {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--color-accent);
  color: var(--color-secondary);
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-sm) auto;
}

.step-card h4 {
  font-size: 1.15rem;
  margin-bottom: 0.25rem;
}

.step-card p {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.85);
}

/* Form Styles */
.form-wrapper {
  background-color: var(--color-surface);
  color: var(--color-text-main);
  border-radius: var(--border-radius-lg);
  padding: var(--space-xl);
  max-width: var(--container-readable-width);
  margin: 0 auto;
  box-shadow: var(--shadow-lg);
}

.form-wrapper h3 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-secondary);
  margin-bottom: 0.25rem;
}

.form-subtext {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-lg);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.form-group {
  display: flex;
  flex-direction: column;
  margin-bottom: var(--space-md);
}

.form-group label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-secondary);
  margin-bottom: var(--space-xs);
}

.required {
  color: #dc2626;
  font-weight: 700;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  background-color: #ffffff;
  color: var(--color-text-main);
  font-size: 0.95rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-border-focus);
  outline: none;
  box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.2);
}

.form-group input.input-invalid,
.form-group select.input-invalid,
.form-group textarea.input-invalid {
  border-color: #dc2626;
  background-color: #fffaf0;
}

.field-error {
  font-size: 0.8rem;
  color: #dc2626;
  margin-top: 0.3rem;
  min-height: 1.1rem;
}

.form-checkbox {
  flex-direction: row;
  align-items: flex-start;
  gap: 0.75rem;
}

.form-checkbox input[type="checkbox"] {
  width: 1.2rem;
  height: 1.2rem;
  margin-top: 0.15rem;
  cursor: pointer;
  accent-color: var(--color-primary);
}

.form-checkbox label {
  font-weight: normal;
  font-size: 0.85rem;
  cursor: pointer;
  margin-bottom: 0;
}

.form-actions {
  margin-top: var(--space-md);
  display: flex;
  justify-content: flex-start;
}

.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-md);
  border-radius: var(--border-radius-sm);
  margin-bottom: var(--space-lg);
}

.alert-success {
  background-color: var(--color-success-bg);
  border: 1px solid var(--color-success-border);
  color: var(--color-success-text);
}

.alert-error {
  background-color: var(--color-error-bg);
  border: 1px solid var(--color-error-border);
  color: var(--color-error-text);
}

.alert-icon {
  font-size: 1.2rem;
  font-weight: bold;
}

/* --------------------------------------------------------------------------
   14. Direct Contact Section
   -------------------------------------------------------------------------- */
.contact-cards {
  margin-top: var(--space-md);
}

.contact-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: var(--space-xl) var(--space-lg);
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.contact-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.contact-icon {
  font-size: 2.2rem;
  margin-bottom: var(--space-sm);
}

.contact-card h3 {
  font-size: 1.2rem;
  color: var(--color-secondary);
  margin-bottom: 0.25rem;
}

.contact-card p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.contact-link {
  font-weight: 700;
  color: var(--color-primary);
  word-break: break-all;
}

.contact-detail {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-secondary);
}

/* --------------------------------------------------------------------------
   15. Modals (Impressum & Datenschutz)
   -------------------------------------------------------------------------- */
.modal-dialog {
  border: none;
  border-radius: var(--border-radius-md);
  padding: 0;
  max-width: 600px;
  width: 90%;
  margin: auto;
  box-shadow: var(--shadow-hover);
}

.modal-dialog::backdrop {
  background-color: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(3px);
}

.modal-content {
  padding: var(--space-xl);
  background-color: var(--color-surface);
  display: flex;
  flex-direction: column;
  max-height: 80vh;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: var(--space-sm);
  margin-bottom: var(--space-md);
}

.modal-header h3 {
  font-size: 1.3rem;
  color: var(--color-secondary);
}

.modal-close {
  background: transparent;
  border: none;
  font-size: 1.75rem;
  line-height: 1;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: 0.2rem 0.5rem;
}

.modal-close:hover {
  color: var(--color-secondary);
}

.modal-body {
  overflow-y: auto;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.modal-body h4 {
  font-size: 1rem;
  color: var(--color-secondary);
  margin-top: var(--space-md);
  margin-bottom: var(--space-xs);
}

.modal-footer {
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-md);
  margin-top: var(--space-md);
  display: flex;
  justify-content: flex-end;
}

/* --------------------------------------------------------------------------
   16. Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--color-secondary);
  color: var(--color-text-inverse);
  margin-top: auto;
  padding-top: var(--space-3xl);
}

.footer-container {
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr;
  gap: var(--space-2xl);
  padding-bottom: var(--space-2xl);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.2rem;
  font-weight: 800;
  margin-bottom: var(--space-sm);
}

.footer-tagline {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: var(--space-md);
  max-width: 320px;
}

.footer-domain a {
  color: var(--color-accent);
  font-weight: 600;
  font-size: 0.9rem;
}

.footer-col h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
  color: #ffffff;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-col a {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.9rem;
}

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

.footer-modal-btn {
  background: none;
  border: none;
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.9rem;
  cursor: pointer;
  padding: 0;
  text-align: left;
}

.footer-modal-btn:hover {
  color: var(--color-accent);
  text-decoration: underline;
}

.cookie-notice {
  margin-top: var(--space-md);
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.7);
  background-color: rgba(255, 255, 255, 0.05);
  padding: var(--space-sm);
  border-radius: var(--border-radius-sm);
}

.footer-bottom {
  padding: var(--space-md) 0;
  background-color: #0f172a;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
}

.footer-bottom-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

/* --------------------------------------------------------------------------
   17. Responsive Media Queries
   -------------------------------------------------------------------------- */
@media (max-width: 860px) {
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-subtitle {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-highlights {
    justify-content: center;
  }

  .hero-visual {
    display: none;
  }

  .event-card {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-md);
  }

  .event-date {
    width: 100%;
    align-items: flex-start;
  }

  .event-action {
    width: 100%;
  }

  .event-action .btn {
    width: 100%;
  }

  .footer-container {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 64px;
    --space-3xl: 3.5rem;
    --space-2xl: 2.5rem;
  }

  .nav-toggle {
    display: flex;
  }

  /* Hamburger transform when opened */
  .nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
    transform: translateY(10px) rotate(45deg);
  }
  .nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
    opacity: 0;
  }
  .nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
    transform: translateY(-10px) rotate(-45deg);
  }

  .primary-nav {
    position: absolute;
    top: var(--header-height);
    left: 0;
    width: 100%;
    background-color: var(--color-surface);
    box-shadow: var(--shadow-lg);
    border-bottom: 1px solid var(--color-border);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  }

  .primary-nav.is-open {
    max-height: 400px;
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-md) var(--space-lg);
    gap: var(--space-sm);
  }

  .nav-link {
    display: block;
    padding: 0.6rem 0;
    font-size: 1.1rem;
  }

  .btn-nav-cta {
    text-align: center;
    margin-top: var(--space-xs);
  }

  .form-row {
    grid-template-columns: 1fr;
  }
}