/* Global Styles */
:root {
  --color-primary: #0F3460;
  --color-accent: #1A8FE3;
  --color-warm: #E8B931;
  --color-bg: #FAFAFA;
  --color-dark: #1A1A2E;
  --color-text: #2C3E50;
  --color-muted: #6B7280;
}

* {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.6;
  padding-top: 64px; /* Account for fixed header */
}

/* Custom Scrollbar - Subtle */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: rgba(15, 52, 96, 0.3);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(15, 52, 96, 0.6);
}

/* Smooth Scroll */
html {
  scroll-behavior: smooth;
}

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

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

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

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

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

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

.animate-fade-in-down {
  animation: fadeInDown 0.6s ease-out forwards;
}

.animate-fade-in {
  animation: fadeIn 0.4s ease-out;
}

.animate-slide-in-right {
  animation: slideInRight 0.6s ease-out forwards;
}

.animate-pulse {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* Staggered animations */
[data-animate] {
  opacity: 0;
}

[data-animate="delay-1"] {
  animation-delay: 100ms;
}

[data-animate="delay-2"] {
  animation-delay: 200ms;
}

[data-animate="delay-3"] {
  animation-delay: 300ms;
}

/* Modal Styles */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.2s ease;
}

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

.modal-content {
  background: white;
  border-radius: 12px;
  padding: 32px;
  max-width: 500px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
  animation: slideInUp 0.2s ease-out;
}

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

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.modal.active .modal-content {
  animation: slideInUp 0.3s ease-out;
}

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

.form-label {
  display: block;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--color-text);
  font-size: 0.875rem;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  font-family: inherit;
  font-size: 0.875rem;
  transition: all 0.2s ease;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(26, 143, 227, 0.1);
}

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

/* Button Styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 8px;
  font-weight: 500;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  white-space: nowrap;
}

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

.btn-primary:hover {
  background: rgba(15, 52, 96, 0.9);
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(15, 52, 96, 0.2);
}

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

.btn-accent:hover {
  background: rgba(26, 143, 227, 0.9);
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(26, 143, 227, 0.2);
}

.btn-secondary {
  background: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}

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

.btn-outline {
  background: transparent;
  color: var(--color-text);
  border: 1px solid #d1d5db;
}

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

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.8125rem;
}

.btn-block {
  width: 100%;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Card Styles */
.card {
  background: white;
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
  transition: all 0.2s ease;
  border: 1px solid #f0f0f0;
  border-top: 3px solid transparent;
}

.card:hover {
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
  transform: translateY(-4px);
  border-top-color: var(--color-accent);
}

.card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 1rem;
}

/* Badge Styles */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-primary {
  background: rgba(15, 52, 96, 0.1);
  color: var(--color-primary);
}

.badge-accent {
  background: rgba(26, 143, 227, 0.1);
  color: var(--color-accent);
}

.badge-warm {
  background: rgba(232, 185, 49, 0.1);
  color: var(--color-warm);
}

.badge-success {
  background: rgba(16, 185, 129, 0.1);
  color: #10b981;
}

.badge-warning {
  background: rgba(245, 158, 11, 0.1);
  color: #f59e0b;
}

/* Section Styles */
section {
  scroll-margin-top: 80px;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--color-muted);
  margin-bottom: 3rem;
  max-width: 600px;
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

/* Hero Section */
.hero {
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(15, 52, 96, 0.05) 0%, rgba(26, 143, 227, 0.05) 100%);
  padding: 4rem 2rem;
}

.hero-content {
  max-width: 900px;
  text-align: center;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  color: var(--color-dark);
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.hero p {
  font-size: 1.25rem;
  color: var(--color-muted);
  margin-bottom: 2rem;
}

/* Grid Layout */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

@media (max-width: 768px) {
  .grid-3 {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero p {
    font-size: 1rem;
  }

  .section-title {
    font-size: 1.875rem;
  }
}

/* Loading State */
.loading {
  position: relative;
  overflow: hidden;
}

.loading::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  0% {
    left: -100%;
  }
  100% {
    left: 100%;
  }
}

/* PDF Viewer Container */
.pdf-container {
  width: 100%;
  height: 600px;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid #e5e7eb;
}

.pdf-container iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* Large Button Class */
.btn-lg {
  padding: 1rem 2rem;
  font-size: 1rem;
  font-weight: 600;
}

/* Focus visible for accessibility */
*:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Print Styles */
@media print {
  header,
  footer,
  .no-print {
    display: none;
  }

  body {
    padding-top: 0;
  }
}