/* =============================================================================
   Main Styles for felixbenecke.de
   ============================================================================= */

/* CSS Custom Properties - Design Tokens */
:root {
  /* Colors */
  --color-primary: #1E3A8A;
  --color-secondary: #2ECC71;
  --color-accent: #F59E0B;
  --color-dark: #1F2937;
  --color-gray: #6B7280;
  --color-light: #F3F4F6;
  --color-white: #FFFFFF;
  
  /* Typography */
  --font-heading: 'Poppins', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  /* Spacing */
  --spacing-1: 8px;
  --spacing-2: 16px;
  --spacing-3: 24px;
  --spacing-4: 32px;
  --spacing-5: 40px;
  --spacing-6: 48px;
  --spacing-7: 64px;
  
  /* Border radius */
  --border-radius: 8px;
  
  /* Typography sizes */
  --font-size-h1-desktop: 48px;
  --font-size-h1-tablet: 36px;
  --font-size-h1-mobile: 30px;
  --font-size-h2: 32px;
  --font-size-h3: 24px;
  --font-size-body: 18px;
  --font-size-small: 14px;
  
  /* Line height */
  --line-height: 1.5;
}

/* Base styles */
* {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  line-height: var(--line-height);
}

body {
  font-family: var(--font-body);
  color: var(--color-dark);
  margin: 0;
  padding: 0;
  background-color: var(--color-white);
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-2);
}

/* Typography */
h1, h2, h3 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.3;
  margin-top: 0;
  margin-bottom: var(--spacing-3);
}

h1 {
  font-size: var(--font-size-h1-mobile);
}

@media (min-width: 768px) {
  h1 {
    font-size: var(--font-size-h1-tablet);
  }
}

@media (min-width: 1024px) {
  h1 {
    font-size: var(--font-size-h1-desktop);
  }
}

h2 {
  font-size: var(--font-size-h2);
}

h3 {
  font-size: var(--font-size-h3);
}

p {
  margin-top: 0;
  margin-bottom: var(--spacing-3);
  font-size: var(--font-size-body);
}

/* Links */
a {
  color: var(--color-primary);
  text-decoration: none;
}

a:hover,
a:focus {
  text-decoration: underline;
}

/* Buttons */
.button {
  display: inline-block;
  padding: var(--spacing-2) var(--spacing-4);
  border-radius: var(--border-radius);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: var(--font-size-body);
  text-align: center;
  cursor: pointer;
  transition: all 0.2s ease;
  border: none;
}

.button.primary {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.button.secondary {
  background-color: var(--color-secondary);
  color: var(--color-white);
}

.button.ghost {
  background-color: var(--color-white);
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}

.button:hover,
.button:focus {
  text-decoration: none;
  outline: 2px solid var(--color-dark);
  outline-offset: 2px;
}

/* Header */
.header {
  background-color: var(--color-white);
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-2) var(--spacing-2);
}

.logo img {
  height: 48px;
  width: auto;
}

.navigation ul {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--spacing-3);
}

.navigation a {
  color: var(--color-dark);
  font-weight: 500;
  padding: var(--spacing-1) 0;
  position: relative;
}

.navigation a[aria-current="page"] {
  color: var(--color-primary);
  text-decoration:none;
}

.navigation a[aria-current="page"]:after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-primary);
}

/* Hero Section */
.hero {
  background-color: var(--color-light);
  padding: var(--spacing-6) 0;
  text-align: center;
}

.hero h1 {
  margin-bottom: var(--spacing-3);
}

.hero p {
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  font-size: var(--font-size-body);
}

.cta-buttons {
  margin-top: var(--spacing-4);
  display: flex;
  justify-content: center;
  gap: var(--spacing-3);
  flex-wrap: wrap;
}

/* Section */
.section {
  padding: var(--spacing-6) 0;
}

@media (max-width: 767px) {
  .section {
    padding: var(--spacing-4) 0;
  }
}

/* Footer */
.footer {
  background-color: var(--color-dark);
  color: var(--color-white);
  padding: var(--spacing-4) 0;
  margin-top: var(--spacing-6);
}

.footer .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-2);
}

.footer nav ul {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--spacing-3);
}

.footer a {
  color: var(--color-white);
}

/* Filters */
.filters {
  background-color: var(--color-light);
  padding: var(--spacing-4) 8px;
  margin-bottom: var(--spacing-6);
  border-radius: 8px;
}

.filter-controls {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-1);
}

.checkbox-group {
  flex-direction: row;
  align-items: center;
}

.checkbox-group label {
  display: flex;
  align-items: center;
  gap: var(--spacing-1);
  font-weight: normal;
  cursor: pointer;
}

.checkbox-group input[type="checkbox"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
}

/* Workshop cards */
.workshop-card {
  background-color: var(--color-white);
  border-radius: var(--border-radius);
  padding: var(--spacing-4);
  margin-bottom: var(--spacing-3);
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  display: flex;
  flex-direction: column;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  border: 2px solid transparent;
}

.workshop-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  border-color: var(--color-primary);
}

/* Workshop grid layout */
#workshop-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-4);
}

@media (min-width: 768px) {
  #workshop-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  #workshop-list {
    grid-template-columns: repeat(3, 1fr);
  }
}

.workshop-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--spacing-3);
}

.workshop-header h3 {
  margin-top: 0;
  color: var(--color-primary);
  flex-grow: 1;
  margin-right: var(--spacing-2);
}

.category-emoji {
  font-size: 1.5rem;
  align-self: flex-start;
}

.workshop-details p {
  margin: var(--spacing-1) 0;
  display: flex;
  align-items: flex-start;
}

.workshop-details strong {
  min-width: 120px;
  margin-right: var(--spacing-2);
}

/* Modal styling */
#workshop-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0,0,0,0.5);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
}

#workshop-modal .modal-content {
  background: white;
  padding: 2rem;
  border-radius: 8px;
  max-width: 600px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
}

#workshop-modal .modal-content h2 {
  margin-top: 0;
  color: var(--color-primary);
}

#workshop-modal .modal-content p {
  margin: var(--spacing-2) 0;
}

#workshop-modal .modal-content a {
  color: var(--color-primary);
  text-decoration: none;
}

#workshop-modal .modal-content a:hover {
  text-decoration: underline;
}

#workshop-modal .close-button {
  margin-top: 1rem;
  padding: 0.5rem 1rem;
  background-color: var(--color-gray);
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

#workshop-modal .close-button:hover {
  background-color: var(--color-dark);
}

.filter-group label {
  font-weight: 600;
  font-family: var(--font-heading);
}

.filter-group input,
.filter-group select {
  padding: var(--spacing-2);
  border-radius: var(--border-radius);
  border: 1px solid var(--color-gray);
  font-family: var(--font-body);
  font-size: var(--font-size-body);
}

/* Results */
.results {
  text-align: center;
  padding: var(--spacing-6) 0;
}

.results h2 {
  margin-bottom: var(--spacing-3);
}

/* Responsive adjustments */
@media (min-width: 768px) {
  .header .container {
    padding: var(--spacing-3) var(--spacing-2);
  }
  
  .hero {
    padding: var(--spacing-7) 0;
  }
  
  .section {
    padding: var(--spacing-7) 0;
  }
  
  .cta-buttons {
    margin-top: var(--spacing-5);
  }
  
  .filter-controls {
    flex-direction: row;
    flex-wrap: wrap;
    gap: var(--spacing-4);
  }
  
  .filter-group {
    flex: 1;
    min-width: 200px;
  }
  
  .footer .container {
    flex-direction: row;
    justify-content: space-between;
  }
}

@media (min-width: 1024px) {
  .filter-group {
    min-width: 250px;
  }
}