/* CSS Custom Properties (Variables) */
:root {
  --primary-color: #2563eb;
  --primary-dark: #1e40af;
  --primary-light: #dbeafe;
  --secondary-color: #10b981;
  --secondary-dark: #059669;
  --accent-color: #f59e0b;
  --accent-dark: #d97706;
  --text-primary: #1f2937;
  --text-secondary: #6b7280;
  --text-light: #9ca3af;
  --bg-primary: #ffffff;
  --bg-secondary: #f9fafb;
  --bg-accent: #f3f4f6;
  --bg-dark: #1f2937;
  --border-color: #e5e7eb;
  --border-light: #e5e7eb;
  --border-hover: #d1d5db;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
  --transition: all 0.2s ease-in-out;
}

/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  width: 100%;
  overflow-x: hidden;
}

body {
  font-family: var(--font-family);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  width: 100%;
  min-width: 100vw;
  overflow-x: hidden;
  position: relative;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
}

img {
  max-width: 100%;
  height: auto;
}

/* Lists */
ul, ol {
  margin-bottom: 1.5rem;
}

ul li, ol li {
  margin-bottom: 0.5rem;
}

/* Container - Scalable responsive system */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.625rem;
  width: 100%;
  box-sizing: border-box;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  transition: var(--transition);
}

.header.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-md);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
  position: relative;
}

@media (max-width: 768px) {
  .nav {
    padding: 0;
  }
  
  /* Ensure the hamburger takes equal visual space as the logo */
  .nav-toggle {
    width: 44px;
    height: 44px;
    display: flex !important;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
  }
  
  /* Balance the logo side */
  .nav-brand {
    flex-shrink: 0;
  }
}

.nav-brand .brand-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 1.25rem;
  color: var(--primary-color);
}

.brand-icon {
  font-size: 1.5rem;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
  margin-left: auto;
}

.nav-link {
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
  padding: 0.5rem 1rem;
  border-bottom: 2px solid transparent;
  text-decoration: none;
}

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

.auth-buttons {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-left: 1rem;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-primary);
  cursor: pointer;
  padding: 0.5rem;
  position: relative;
  z-index: 100001;
  pointer-events: auto;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

/* Desktop nav menu - always visible on desktop */
@media (min-width: 769px) {
  .nav-menu {
    display: flex !important;
    position: static !important;
    background: transparent !important;
    box-shadow: none !important;
    transform: none !important;
    opacity: 1 !important;
    visibility: visible !important;
    flex-direction: row !important;
    padding: 0 !important;
    border: none !important;
    margin-left: auto !important;
    align-items: center !important;
  }
  
  .auth-buttons {
    margin-left: 1rem !important;
  }
  
  .nav-toggle {
    display: none !important;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  font-weight: 500;
  font-size: 1rem;
  line-height: 1;
  transition: var(--transition);
  white-space: nowrap;
  cursor: pointer;
  text-decoration: none;
}

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

.btn-primary:hover:not(:disabled) {
  background-color: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover:not(:disabled) {
  background-color: var(--secondary-dark);
  border-color: var(--secondary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

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

.btn-outline:hover:not(:disabled) {
  background-color: var(--primary-color);
  color: white;
}

.btn-large {
  padding: 1rem 2rem;
  font-size: 1.125rem;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
}

/* Hero Section */
.hero {
  padding: 6rem 0 3rem;
  background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
  min-height: 80vh;
  display: flex;
  align-items: center;
  width: 100%;
  overflow: hidden;
}

.hero .container {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  align-items: center;
  text-align: center;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1.1;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.hero-cta {
  text-align: center;
}

.trust-text {
  margin-top: 1rem;
  font-size: 0.875rem;
  color: var(--text-light);
  text-align: center;
}

/* ZIP Demo */
.zip-demo {
  background: white;
  padding: 2rem;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border-color);
  text-align: center;
}

@media (max-width: 768px) {
  .zip-demo {
    margin: 0;
    padding: 1.25rem;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
  }

  .zip-demo > div {
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
  }

  .zip-demo .btn {
    margin: 0 auto;
  }
}

.zip-label {
  display: block;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.zip-input-group {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.zip-input-group input {
  flex: 1;
  padding: 0.75rem;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 1rem;
  background-color: var(--bg-secondary);
  color: var(--text-light);
}

.zip-note {
  font-size: 0.875rem;
  color: var(--text-light);
  text-align: center;
}

/* Sections */
.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  text-align: center !important;
  margin-bottom: 2rem;
  color: var(--text-primary);
}

/* Ensure all section headings are centered - maximum specificity */
.page-section h2,
.page-section .section-title,
.how-it-works h2,
.how-it-works .section-title,
.container .section-title,
.container h2.section-title,
div.container h2.section-title,
section .container h2.section-title {
  text-align: center !important;
}

/* How It Works */
.how-it-works {
  padding: 3rem 0;
  background: var(--bg-primary);
}

/* Secondary page section with reduced padding */
.page-section {
  padding: 2rem 0;
  background: var(--bg-primary);
}

.page-section.alt-bg {
  background: var(--bg-secondary);
}

.page-section.dark-bg {
  background: var(--bg-dark);
  color: white;
}

.page-section.dark-bg h2 {
  color: white;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.step {
  text-align: center;
  padding: 1.5rem;
}

.step-icon {
  width: 4rem;
  height: 4rem;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  color: white;
  font-size: 1.5rem;
}

.step h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.step p {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Opportunities Preview */
.opportunities-preview {
  padding: 3rem 0;
  background: var(--bg-secondary);
}



.opportunities-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.opportunity-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.opportunity-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.opportunity-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.opportunity-tag {
  background: var(--secondary-color);
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
}

.opportunity-location {
  color: var(--text-light);
  font-size: 0.875rem;
}

.opportunity-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.opportunity-card p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.opportunity-details {
  display: flex;
  gap: 1.5rem;
  font-size: 0.875rem;
  color: var(--text-light);
}

.opportunity-details span {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* CTA Section */
.cta-section {
  text-align: center;
}

.cta-text {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

/* Impact Stats */
.impact-stats {
  padding: 3rem 0;
  background: var(--bg-dark);
  color: white;
}

.impact-stats .container {
  text-align: center;
}

.impact-stats h2 {
  color: white;
  margin-bottom: 2rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
}

.stat {
  padding: 2rem;
}

.stat-number {
  font-size: 3rem;
  font-weight: 700;
  color: var(--secondary-color);
  display: block;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.8);
}

/* Testimonials */
.testimonials {
  padding: 3rem 0;
  background: var(--bg-primary);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 2rem;
}

.testimonial-card {
  background: white;
  padding: 2rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
}

.testimonial-card p {
  font-size: 1.125rem;
  line-height: 1.6;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  font-style: italic;
}

.testimonial-author {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.testimonial-author strong {
  color: var(--text-primary);
}

/* Footer */
.footer {
  background: var(--bg-dark);
  color: white;
  padding: 2rem 0 1rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-section h4 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: white;
}

.footer-section a {
  display: block;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 0.5rem;
  transition: var(--transition);
}

.footer-section a:hover {
  color: var(--secondary-color);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.footer-brand .brand-icon {
  color: var(--secondary-color);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
}

/* Scroll to Top */
.scroll-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 3rem;
  height: 3rem;
  background: var(--primary-color);
  color: white;
  border: none;
  border-radius: 50%;
  font-size: 1.25rem;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  transform: translateY(20px);
  transition: var(--transition);
  z-index: 1000;
}

.scroll-top.visible {
  opacity: 1;
  transform: translateY(0);
}

.scroll-top:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
}

/* Mobile menu - collapsible dropdown design */
.mobile-menu-container {
  position: relative;
  display: none; /* Hidden by default on desktop */
}

.mobile-menu-checkbox {
  display: none;
}

.mobile-menu-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  width: 280px;
  background: white;
  border: 2px solid var(--primary);
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
  z-index: 1000;
  display: none;
  margin-top: 0.5rem;
}

/* Ensure the CSS-only toggle works */
.mobile-menu-container .nav-toggle {
  display: flex !important;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-primary);
  cursor: pointer;
  padding: 0.5rem;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
}

.mobile-menu-content {
  display: flex;
  flex-direction: column;
  padding: 0;
}

.mobile-nav-link {
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-weight: 500;
  text-decoration: none;
  color: var(--text-primary);
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  border-bottom: 1px solid var(--border-light);
}

.mobile-nav-link:last-child {
  border-bottom: none;
}

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

.mobile-nav-link i {
  width: 16px;
  text-align: center;
}

.mobile-auth-buttons {
  display: flex;
  flex-direction: column;
}

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

.mobile-signin:hover {
  background: var(--primary-dark);
  color: white;
}

/* Show dropdown when checkbox is checked */
.mobile-menu-checkbox:checked ~ .mobile-menu-dropdown {
  display: block;
  padding: 0.5rem 0;
}

/* Mobile container padding - reliable and tested */
@media (max-width: 768px) {
  .container {
    padding: 0 1.25rem !important;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 1rem !important;
  }
}

/* Extra safety for very narrow screens (iPhone SE, older devices) */
@media (max-width: 390px) {
  .container {
    padding: 0 1rem !important;
  }
}
  
  .section {
    padding: 2rem 0 !important;
  }
  
  .form-group {
    margin-bottom: 1rem !important;
  }
  
  .form-group label {
    margin-bottom: 0.5rem !important;
  }
  
  .form-group input,
  .form-group select,
  .form-group textarea {
    padding: 0.75rem !important;
    margin-bottom: 0.5rem !important;
  }
  
  .btn {
    padding: 0.75rem 1.5rem !important;
    margin: 0.5rem 0 !important;
  }
  
  h1 {
    font-size: 2rem !important;
    margin-bottom: 1rem !important;
  }
  
  h2 {
    font-size: 1.5rem !important;
    margin-bottom: 0.75rem !important;
  }
  
  h3 {
    font-size: 1.25rem !important;
    margin-bottom: 0.5rem !important;
  }
  
  p {
    margin-bottom: 0.75rem !important;
  }
}

/* Remove duplicate conflicting container rules - handled above */

/* Mobile navigation - responsive design */
@media (max-width: 768px) {
  .nav-menu {
    display: none !important;
  }
  
  .mobile-menu-container {
    display: flex !important;
  }
}

/* Desktop navigation - ensure mobile menu is hidden */
@media (min-width: 769px) {
  .nav-menu {
    display: flex !important;
  }
  
  .mobile-menu-container {
    display: none !important;
  }
}
  
  .hero {
    padding: 4rem 0 2rem !important;
  }

  .hero .container {
    display: flex !important;
    flex-direction: column !important;
    gap: 1.5rem;
    text-align: center;
    max-width: 100% !important;
    width: 100% !important;
    align-items: center;
  }
  
  .hero-content {
    width: 100%;
    order: 1;
  }

  .hero-visual {
    width: 100%;
    order: 2;
  }

  .hero-title {
    font-size: 2rem !important;
    text-align: center !important;
    margin-bottom: 0.75rem !important;
  }

  .hero-subtitle {
    font-size: 1rem !important;
    text-align: center !important;
    margin-bottom: 1rem !important;
  }

  .hero-cta {
    text-align: center !important;
  }

  .zip-input-group {
    flex-direction: column;
  }

  .steps-grid,
  .opportunities-grid,
  .testimonials-grid {
    grid-template-columns: 1fr;
  }

  .opportunity-details {
    flex-direction: column;
    gap: 0.5rem;
  }

  .stats-grid {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
  }

  .stat-number {
    font-size: 2rem;
  }

  /* Preferences form mobile fixes */
  .location-grid {
    grid-template-columns: 1fr !important;
    gap: 0.75rem !important;
  }

  .custom-skill-input {
    flex-direction: column !important;
    gap: 0.5rem !important;
  }
  
  .preferences-container {
    padding: 1rem !important;
  }
  
  .preference-section {
    margin-bottom: 1.5rem !important;
  }
  
  .step-header {
    margin-bottom: 1rem !important;
  }
  
  .step-number {
    width: 2rem !important;
    height: 2rem !important;
    font-size: 0.875rem !important;
    margin-bottom: 0.5rem !important;
  }

  .custom-skill-input button {
    width: 100% !important;
    justify-content: center !important;
  }

  .page-header .hero-title {
    font-size: 2.5rem !important;
  }

  .page-header .hero-subtitle {
    font-size: 1.125rem !important;
  }
}

/* Container padding handled by unified responsive system above */
@media (max-width: 480px) {

  .hero {
    padding: 6rem 0 3rem;
  }

  .hero-title {
    font-size: 2rem;
  }

  .section-title {
    font-size: 2rem;
  }

  .btn-large {
    padding: 0.875rem 1.5rem;
    font-size: 1rem;
  }

  .zip-demo,
  .opportunity-card,
  .testimonial-card {
    padding: 1.5rem;
  }

  /* Additional mobile spacing for forms */
  .form-group {
    margin-bottom: 1rem;
  }

  .form-textarea {
    min-height: 100px;
  }

  /* Make skill buttons stack better on mobile */
  .skill-quick-add {
    width: 100% !important;
    min-width: unset !important;
  }

  /* Adjust availability checkboxes for mobile */
  .form-checkbox {
    padding: 0.75rem !important;
  }

  .form-checkbox span {
    font-size: 0.875rem;
  }
}

/* Form Styles */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 0.75rem;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-family: inherit;
  transition: var(--transition);
  background-color: var(--bg-primary);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.form-checkbox {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.form-checkbox input {
  width: 1rem;
  height: 1rem;
  accent-color: var(--primary-color);
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

/* Force center alignment for all section titles with maximum specificity */
h2.section-title,
.section-title,
.page-section h2.section-title,
.page-section .section-title,
.how-it-works h2.section-title,
.how-it-works .section-title {
  text-align: center !important;
  display: block !important;
}

.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mb-6 { margin-bottom: 2rem; }

.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.mt-6 { margin-top: 2rem; }

.hidden { display: none; }
.visible { display: block; }

/* Preferences Page Styles */
.preference-section {
  background: white;
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  border: 1px solid var(--border-color);
  position: relative;
}

.step-header {
  position: relative;
  margin-bottom: 0.5rem;
}

.step-number {
  position: absolute;
  top: 0;
  left: 0;
  width: 1.75rem;
  height: 1.75rem;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 0.875rem;
  font-weight: 600;
}

.step-header h2 {
  font-size: 1.375rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
  padding-left: 2.5rem;
  padding-bottom: 1.25rem;
  line-height: 1.75rem;
}

.optional-label {
  font-size: 0.875rem;
  font-weight: normal;
  color: var(--text-light);
}

.section-description {
  margin-bottom: 1rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.interests-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0.75rem;
}

.interest-option {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.875rem;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition);
}

.interest-option:hover {
  border-color: var(--primary-color);
  background-color: var(--bg-accent);
}

.interest-option input {
  width: 1.25rem;
  height: 1.25rem;
  accent-color: var(--primary-color);
}

.interest-option input:checked + div {
  color: var(--primary-color);
}

.interest-title {
  font-weight: 500;
}

.interest-description {
  font-size: 0.875rem;
  color: var(--text-light);
}

.location-grid {
  display: grid;
  grid-template-columns: 1fr 2fr 1fr;
  gap: 0.5rem;
}

/* Ultra-compact form spacing */
.form-group {
  margin: 0 !important;
  padding: 0 !important;
}

.form-label {
  display: block;
  font-weight: 500;
  margin: 0 !important;
  margin-bottom: 0.25rem !important;
  color: var(--text-primary);
  font-size: 0.9rem;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 0.5rem;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-family: inherit;
  transition: var(--transition);
  background-color: var(--bg-primary);
  margin: 0 !important;
  margin-bottom: 0.25rem !important;
}

/* Tighten page sections */
.page-section {
  padding: 2rem 0;
}

.page-header {
  padding: 2.5rem 0 1.5rem;
}

.page-header .hero-title {
  font-size: 2.5rem;
  margin-bottom: 0.75rem;
}

.page-header .hero-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: 0;
}

/* Skills section improvements */
.skills-quick-section {
  margin-bottom: 1rem;
}

.skills-subtitle {
  font-size: 1rem;
  margin-bottom: 0.875rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.5rem;
}

.skill-quick-add {
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: var(--bg-primary);
  cursor: pointer;
  font-size: 0.875rem;
  transition: var(--transition);
  white-space: nowrap;
}

.skill-quick-add:hover {
  background-color: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
}

.skill-quick-add.selected {
  background-color: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
}

.skill-quick-add.selected:hover {
  background-color: var(--primary-dark);
  border-color: var(--primary-dark);
}

.custom-skill-input {
  display: flex;
  gap: 0.5rem;
}

.custom-skill-input .form-input {
  flex: 1;
}

.custom-skill-input .btn {
  white-space: nowrap;
}

.selected-skills-display {
  min-height: 2.5rem;
  padding: 0.875rem;
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-md);
  background: var(--bg-accent);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.skills-placeholder {
  color: var(--text-light);
  font-style: italic;
}

/* Submit section */
.submit-section {
  text-align: center;
  padding: 1.5rem 0;
}

.submit-description {
  margin-top: 0.875rem;
  color: var(--text-light);
  font-size: 0.875rem;
}

.preferences-message {
  margin-top: 1.5rem;
}

/* Availability section */
.availability-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.form-checkbox {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  margin-bottom: 0;
  transition: var(--transition);
}

.form-checkbox:hover {
  border-color: var(--primary-color);
  background-color: var(--bg-accent);
}

.form-checkbox input {
  width: 1rem;
  height: 1rem;
  accent-color: var(--primary-color);
}

/* Mobile responsiveness for preferences */
@media (max-width: 768px) {
  .preference-section {
    padding: 1.25rem;
    margin-bottom: 1.25rem;
  }
  
.location-grid {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }
  
  .interests-grid {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }
  
  .interest-option {
    padding: 0.75rem;
  }
  
  .step-header h2 {
    font-size: 1.25rem;
    padding-left: 2.25rem;
  }
  
  .step-number {
    width: 1.5rem;
    height: 1.5rem;
    font-size: 0.8rem;
  }
}

/* Animation */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}

/* Desktop-only navigation - hide mobile menu elements */
@media (min-width: 769px) {
  .nav-toggle {
    display: none !important;
  }
  
  .mobile-menu-overlay {
    display: none !important;
  }
  
  .mobile-menu-checkbox {
    display: none !important;
  }

  /* Desktop hero layout - 2 columns */
  .hero .container {
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
    gap: 4rem !important;
    align-items: center !important;
    text-align: left !important;
  }

  .hero .hero-content {
    text-align: left !important;
  }

  .hero .hero-title {
    text-align: left !important;
  }

  .hero .hero-subtitle {
    text-align: left !important;
  }
  
  .hero .hero-cta {
    text-align: left !important;
  }

  .hero {
    padding: 8rem 0 4rem !important;
  }
}

/* Page Header Section for secondary pages */
.page-header {
  background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
  padding: 50px 0;
  text-align: center;
}

.page-header .container {
  max-width: 800px;
  margin: 0 auto;
}

.page-header .hero-title {
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1.1;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
}

.page-header .hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 0;
  line-height: 1.6;
}

/* Loading Modal */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
}

.modal-content {
  position: relative;
  background: white;
  border-radius: var(--radius-lg);
  padding: 3rem 2rem;
  margin: 1rem;
  max-width: 500px;
  width: 100%;
  box-shadow: var(--shadow-xl);
  text-align: center;
}

.loading-container h3 {
  margin: 1.5rem 0 0.75rem 0;
  color: var(--text-primary);
  font-size: 1.25rem;
  font-weight: 600;
}

.loading-container p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.5;
}

.loading-spinner {
  width: 48px;
  height: 48px;
  border: 4px solid var(--bg-light);
  border-top: 4px solid var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}