/* CSS Variables - Triadic Color Scheme with Neo-Brutalism */
:root {
  /* Primary Colors - Triadic Scheme */
  --primary-color: #FF6B35;
  --secondary-color: #35FF6B;
  --tertiary-color: #6B35FF;
  
  /* Color Variations */
  --primary-dark: #E5522A;
  --secondary-dark: #2AE552;
  --tertiary-dark: #522AE5;
  
  /* Neo-Brutalism Accents */
  --accent-pink: #FF3366;
  --accent-yellow: #FFFF33;
  --accent-cyan: #33FFFF;
  
  /* Neutral Colors */
  --white: #FFFFFF;
  --black: #000000;
  --gray-100: #F5F5F5;
  --gray-200: #EEEEEE;
  --gray-300: #E0E0E0;
  --gray-400: #BDBDBD;
  --gray-500: #9E9E9E;
  --gray-600: #757575;
  --gray-700: #424242;
  --gray-800: #212121;
  --gray-900: #0F0F0F;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--tertiary-color));
  --gradient-secondary: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
  --gradient-dark: linear-gradient(135deg, rgba(0,0,0,0.8), rgba(0,0,0,0.4));
  --gradient-hero: linear-gradient(135deg, rgba(255,107,53,0.9), rgba(107,53,255,0.8));
  
  /* Typography */
  --font-heading: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 3rem;
  --spacing-xl: 4rem;
  --spacing-xxl: 6rem;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.1);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.15);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.2);
  --shadow-brutal: 8px 8px 0px var(--black);
  --shadow-brutal-hover: 12px 12px 0px var(--black);
  
  /* Transitions */
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.23, 1, 0.32, 1);
  --transition-bounce: 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

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

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

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--gray-800);
  background-color: var(--white);
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
  color: var(--gray-900);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2.5rem); }
h4 { font-size: clamp(1.25rem, 2.5vw, 2rem); }
h5 { font-size: clamp(1.125rem, 2vw, 1.5rem); }
h6 { font-size: clamp(1rem, 1.5vw, 1.25rem); }

p {
  margin-bottom: var(--spacing-sm);
  color: var(--gray-700);
}

/* Global Button Styles */
.btn, 
button, 
input[type='submit'],
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm) var(--spacing-md);
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  border: 3px solid var(--black);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-normal);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  position: relative;
  overflow: hidden;
  background: var(--primary-color);
  color: var(--white);
  box-shadow: var(--shadow-brutal);
  transform: translateZ(0);
}

.btn:hover,
button:hover,
input[type='submit']:hover,
.button:hover {
  transform: translate(-4px, -4px);
  box-shadow: var(--shadow-brutal-hover);
  background: var(--primary-dark);
  color: var(--white);
}

.btn:active,
button:active,
input[type='submit']:active,
.button:active {
  transform: translate(0, 0);
  box-shadow: 4px 4px 0px var(--black);
}

/* Button Variants */
.btn.is-secondary,
.button.is-secondary {
  background: var(--secondary-color);
  color: var(--black);
}

html, body {
overflow-x: hidden;
}
.btn.is-secondary:hover,
.button.is-secondary:hover {
  background: var(--secondary-dark);
  color: var(--black);
}

.btn.is-light,
.button.is-light {
  background: var(--white);
  color: var(--black);
}

.btn.is-light:hover,
.button.is-light:hover {
  background: var(--gray-100);
  color: var(--black);
}

.btn.is-large,
.button.is-large {
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: 1.125rem;
}

/* Header & Navigation */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 3px solid var(--black);
  box-shadow: var(--shadow-md);
}

.navbar {
  padding: var(--spacing-sm) 0;
}

.navbar-brand img {
  max-height: 60px;
  width: auto;
}

.navbar-item {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--gray-800);
  text-decoration: none;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  position: relative;
}

.navbar-item:hover {
  color: var(--primary-color);
  background: var(--gray-100);
  transform: translateY(-2px);
}

.navbar-burger {
  height: 3rem;
  width: 3rem;
  border: 3px solid var(--black);
  background: var(--accent-yellow);
  border-radius: var(--radius-sm);
}

/* Hero Section */
.hero {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-dark);
  z-index: 1;
}

.hero .container {
  position: relative;
  z-index: 2;
  text-align: center;
}

.hero-title {
  color: var(--white) !important;
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 900;
  text-shadow: 4px 4px 0px var(--black);
  margin-bottom: var(--spacing-md);
  animation: heroTitleSlide 1s var(--transition-bounce);
}

.hero-subtitle {
  color: var(--white) !important;
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: 400;
  margin-bottom: var(--spacing-lg);
  text-shadow: 2px 2px 0px var(--black);
  animation: heroSubtitleSlide 1s var(--transition-bounce) 0.2s both;
}

.hero-description {
  color: var(--white) !important;
  max-width: 800px;
  margin: 0 auto var(--spacing-xl);
  font-size: 1.125rem;
  text-shadow: 1px 1px 0px rgba(0,0,0,0.8);
  animation: heroDescriptionSlide 1s var(--transition-bounce) 0.4s both;
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
  animation: heroButtonsSlide 1s var(--transition-bounce) 0.6s both;
}

/* Sections */
.section {
  padding: var(--spacing-xxl) 0;
  position: relative;
}

.section:nth-child(even) {
  background: var(--gray-100);
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-md);
  position: relative;
  color: var(--gray-900);
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: var(--gradient-primary);
  border-radius: var(--radius-sm);
}

/* Vision Section */
.vision-content {
  padding: var(--spacing-lg);
}

.vision-item {
  border: 3px solid var(--black);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  background: var(--white);
  box-shadow: var(--shadow-brutal);
  transition: all var(--transition-normal);
}

.vision-item:hover {
  transform: translate(-8px, -8px);
  box-shadow: var(--shadow-brutal-hover);
  background: var(--accent-yellow);
}

.image-container {
  text-align: center;
  margin: 0 auto;
}

.image-container img {
  max-width: 100%;
  height: auto;
  border: 3px solid var(--black);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-brutal);
  transition: all var(--transition-normal);
}

.image-container img:hover {
  transform: scale(1.05) rotate(1deg);
  box-shadow: var(--shadow-brutal-hover);
}

/* Case Studies Section */
.timeline-container {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
}

.timeline {
  position: relative;
  padding: var(--spacing-lg) 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--gradient-primary);
  transform: translateX(-50%);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--spacing-xl);
  width: 100%;
}

.timeline-item:nth-child(odd) .timeline-content {
  margin-left: auto;
  margin-right: 0;
  text-align: left;
  padding-left: var(--spacing-lg);
}

.timeline-item:nth-child(even) .timeline-content {
  margin-left: 0;
  margin-right: auto;
  text-align: left;
  padding-right: var(--spacing-lg);
}

.timeline-marker {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 20px;
  height: 20px;
  background: var(--primary-color);
  border: 4px solid var(--black);
  border-radius: 50%;
  z-index: 2;
  box-shadow: 0 0 0 8px var(--white);
}

.timeline-content {
  width: calc(50% - 30px);
  animation: fadeInUp 0.8s var(--transition-normal);
}

/* Card Styles */
.card {
  display: flex;
  flex-direction: column;
  align-items: center;
  border: 3px solid var(--black);
  border-radius: var(--radius-lg);
  background: var(--white);
  box-shadow: var(--shadow-brutal);
  transition: all var(--transition-normal);
  overflow: hidden;
  text-align: center;
}

.card:hover {
  transform: translate(-4px, -4px);
  box-shadow: var(--shadow-brutal-hover);
}

.card-image {
  width: 100%;
  height: 250px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.card:hover .card-image img {
  transform: scale(1.1);
}

.card-content {
  padding: var(--spacing-lg);
  text-align: center;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

/* Innovation Section */
.innovation-card {
  background: var(--gradient-secondary);
  border: 3px solid var(--black);
  margin-bottom: var(--spacing-lg);
}

.innovation-card:hover {
  background: var(--accent-cyan);
  transform: rotate(-1deg) scale(1.02);
}

/* Resources Section */
.resource-card {
  height: 100%;
  background: var(--white);
  transition: all var(--transition-normal);
}

.resource-card:hover {
  background: var(--accent-pink);
  color: var(--white);
}

.resource-card:hover .button {
  background: var(--white);
  color: var(--black);
  border-color: var(--white);
}

/* Sustainability Section */
.sustainability-content {
  padding: var(--spacing-lg);
}

.accordion {
  border: 3px solid var(--black);
  border-radius: var(--radius-lg);
  background: var(--white);
  box-shadow: var(--shadow-brutal);
  overflow: hidden;
}

.accordion-item {
  border-bottom: 2px solid var(--gray-300);
}

.accordion-item:last-child {
  border-bottom: none;
}

.accordion-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  background: var(--white);
}

.accordion-header:hover {
  background: var(--gray-100);
}

.accordion-header.active {
  background: var(--accent-yellow);
}

.accordion-icon {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--primary-color);
  transition: transform var(--transition-normal);
}

.accordion-header.active .accordion-icon {
  transform: rotate(45deg);
}

.accordion-content {
  padding: 0 var(--spacing-lg);
  max-height: 0;
  overflow: hidden;
  transition: all var(--transition-normal);
}

.accordion-content.active {
  padding: var(--spacing-lg);
  max-height: 500px;
}

/* Contact Section */
.contact-form-container {
  background: var(--white);
  border: 3px solid var(--black);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-brutal);
}

.contact-info .card {
  margin-bottom: var(--spacing-md);
  background: var(--gradient-primary);
  color: var(--white);
}

.contact-item {
  margin-bottom: var(--spacing-sm);
  font-weight: 500;
}

/* Form Styles */
.field {
  margin-bottom: var(--spacing-md);
}

.label {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--gray-800);
  margin-bottom: var(--spacing-xs);
  display: block;
}

.input,
.textarea,
.select select {
  width: 100%;
  padding: var(--spacing-sm);
  border: 3px solid var(--black);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 1rem;
  background: var(--white);
  transition: all var(--transition-fast);
}

.input:focus,
.textarea:focus,
.select select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 4px rgba(255, 107, 53, 0.2);
  transform: translateY(-2px);
}

.select {
  position: relative;
}

.select::after {
  content: '▼';
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  color: var(--gray-600);
}

/* FAQ Section */
.faq-accordion .accordion {
  margin-bottom: var(--spacing-md);
}

.faq-accordion .accordion-item {
  background: var(--white);
}

.faq-accordion .accordion-header:hover {
  background: var(--accent-cyan);
}

/* Footer */
.footer {
  background: var(--gray-900);
  color: var(--white);
  padding: var(--spacing-xxl) 0 var(--spacing-lg);
  border-top: 4px solid var(--primary-color);
}

.footer h3,
.footer h4 {
  color: var(--white);
  margin-bottom: var(--spacing-md);
}

.footer-links {
  list-style: none;
  margin-bottom: var(--spacing-lg);
}

.footer-links li {
  margin-bottom: var(--spacing-xs);
}

.footer-links a {
  color: var(--gray-300);
  text-decoration: none;
  transition: all var(--transition-fast);
  position: relative;
}

.footer-links a:hover {
  color: var(--primary-color);
  transform: translateX(4px);
}

.footer-links a::before {
  content: '→';
  position: absolute;
  left: -20px;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.footer-links a:hover::before {
  opacity: 1;
}

.social-links {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.social-link {
  color: var(--white);
  text-decoration: none;
  padding: var(--spacing-sm);
  border: 2px solid var(--primary-color);
  border-radius: var(--radius-sm);
  background: transparent;
  transition: all var(--transition-normal);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.875rem;
}

.social-link:hover {
  background: var(--primary-color);
  color: var(--white);
  transform: translateY(-4px);
  box-shadow: 0 8px 16px rgba(255, 107, 53, 0.3);
}

.footer-contact {
  margin-top: var(--spacing-lg);
}

.footer-contact p {
  color: var(--gray-300);
  margin-bottom: var(--spacing-xs);
}

/* Success Modal */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2000;
}

.modal.is-active {
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(10px);
}

.modal-card {
  position: relative;
  background: var(--white);
  border: 4px solid var(--black);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-brutal);
  max-width: 500px;
  width: 90%;
  animation: modalSlideIn 0.5s var(--transition-bounce);
}

.modal-card-head {
  padding: var(--spacing-lg);
  border-bottom: 2px solid var(--gray-300);
  background: var(--accent-yellow);
}

.modal-card-title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--black);
}

.modal-card-body {
  padding: var(--spacing-lg);
}

.modal-card-foot {
  padding: var(--spacing-lg);
  border-top: 2px solid var(--gray-300);
  text-align: center;
}

.delete {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 32px;
  height: 32px;
  background: var(--black);
  border: none;
  border-radius: 50%;
  color: var(--white);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.delete::before {
  content: '×';
}

.delete:hover {
  background: var(--primary-color);
  transform: scale(1.1);
}

/* Success Page Styles */
.success-hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  text-align: center;
}

.success-hero .container {
  background: var(--white);
  border: 4px solid var(--black);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xxl);
  box-shadow: var(--shadow-brutal);
  max-width: 600px;
}

/* Privacy and Terms Pages */
.privacy-page,
.terms-page {
  padding-top: 100px;
  padding-bottom: var(--spacing-xxl);
}

.privacy-page .container,
.terms-page .container {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.privacy-page .content,
.terms-page .content {
  background: var(--white);
  border: 3px solid var(--black);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-brutal);
  line-height: 1.8;
}

.privacy-page h1,
.terms-page h1 {
  text-align: center;
  margin-bottom: var(--spacing-xl);
  color: var(--primary-color);
}

.privacy-page h2,
.terms-page h2 {
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
  color: var(--tertiary-color);
  border-bottom: 2px solid var(--gray-300);
  padding-bottom: var(--spacing-xs);
}

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

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }
.mb-6 { margin-bottom: var(--spacing-xxl); }

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

.p-1 { padding: var(--spacing-xs); }
.p-2 { padding: var(--spacing-sm); }
.p-3 { padding: var(--spacing-md); }
.p-4 { padding: var(--spacing-lg); }
.p-5 { padding: var(--spacing-xl); }

/* Read More Links */
.read-more {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
  position: relative;
  transition: all var(--transition-fast);
}

.read-more::after {
  content: ' →';
  transition: transform var(--transition-fast);
}

.read-more:hover {
  color: var(--primary-dark);
  transform: translateX(4px);
}

.read-more:hover::after {
  transform: translateX(4px);
}

/* Animations */
@keyframes heroTitleSlide {
  from {
    opacity: 0;
    transform: translateY(100px) scale(0.8);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes heroSubtitleSlide {
  from {
    opacity: 0;
    transform: translateX(-100px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes heroDescriptionSlide {
  from {
    opacity: 0;
    transform: translateY(50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes heroButtonsSlide {
  from {
    opacity: 0;
    transform: translateY(30px) scale(0.9);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

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

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: scale(0.7) translateY(-50px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

/* Responsive Design */
@media (max-width: 768px) {
  .timeline::before {
    left: 20px;
  }
  
  .timeline-item .timeline-content {
    width: calc(100% - 60px);
    margin-left: 60px !important;
    margin-right: 0 !important;
    padding-left: 0 !important;
    padding-right: 0 !important;
  }
  
  .timeline-marker {
    left: 20px;
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .hero-buttons .button {
    width: 100%;
    max-width: 300px;
  }
  
  .card-image {
    height: 200px;
  }
  
  .section {
    padding: var(--spacing-lg) 0;
  }
  
  .vision-item,
  .contact-form-container {
    padding: var(--spacing-md);
  }
  
  .social-links {
    justify-content: center;
    flex-wrap: wrap;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-subtitle {
    font-size: 1.5rem;
  }
  
  .hero-description {
    font-size: 1rem;
  }
  
  .btn,
  .button {
    padding: var(--spacing-sm);
    font-size: 0.9rem;
  }
  
  .card-content {
    padding: var(--spacing-md);
  }
}

/* Print Styles */
@media print {
  .navbar,
  .hero,
  .footer {
    display: none !important;
  }
  
  .section {
    page-break-inside: avoid;
    padding: var(--spacing-md) 0;
  }
  
  .card {
    box-shadow: none;
    border: 1px solid var(--gray-400);
  }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
  :root {
    --primary-color: #000000;
    --secondary-color: #FFFFFF;
    --tertiary-color: #000000;
    --gray-300: #808080;
    --gray-700: #404040;
  }
  
  .card,
  .accordion,
  .contact-form-container {
    border-width: 4px;
  }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus Styles for Accessibility */
*:focus {
  outline: 3px solid var(--primary-color);
  outline-offset: 2px;
}

.btn:focus,
.button:focus,
input:focus,
textarea:focus,
select:focus {
  outline: 3px solid var(--tertiary-color);
  outline-offset: 4px;
}

/* Loading States */
.loading {
  position: relative;
  pointer-events: none;
}

.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  border: 3px solid var(--gray-300);
  border-top-color: var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  transform: translate(-50%, -50%);
}

@keyframes spin {
  to { transform: translate(-50%, -50%) rotate(360deg); }
}