/* shadcn-inspired CSS variables */
:root {
  --color-primary: #1e3a5f;
  --color-primary-light: #2d5a8e;
  --color-primary-dark: #0f2744;
  --color-secondary: #16a34a;
  --color-secondary-light: #22c55e;
  --color-accent: #f59e0b;
  --color-accent-light: #fbbf24;
  --color-muted: #f1f5f9;
  --color-muted-foreground: #64748b;
  --color-card: #ffffff;
  --color-card-foreground: #0f172a;
  --color-border: #e2e8f0;
  --color-destructive: #ef4444;
  --color-ring: #3b82f6;
  --font-sans: 'Inter', ui-sans-serif, system-ui, -apple-system, sans-serif;
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
}

/* Base styles */
html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  color: var(--color-card-foreground);
  background-color: #ffffff;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* shadcn-style button */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  background-color: var(--color-primary);
  color: #ffffff !important;
  transition: all 0.2s;
  text-decoration: none !important;
  border: none;
  cursor: pointer;
}
.btn-primary:hover {
  background-color: var(--color-primary-light);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  background-color: var(--color-secondary);
  color: #ffffff;
  transition: all 0.2s;
  text-decoration: none;
  border: none;
  cursor: pointer;
}
.btn-secondary:hover {
  background-color: var(--color-secondary-light);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  background-color: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-border);
  transition: all 0.2s;
  text-decoration: none;
  cursor: pointer;
}
.btn-outline:hover {
  background-color: var(--color-muted);
}

/* shadcn-style card */
.card {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  transition: box-shadow 0.2s, transform 0.2s;
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.08), 0 1px 2px -1px rgba(0, 0, 0, 0.08);
}
.card:hover {
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  transform: translateY(-1px);
}

/* FAQ accordion */
.faq-item {
  border-bottom: 1px solid var(--color-border);
}
.faq-item:last-child {
  border-bottom: none;
}
.faq-trigger {
  width: 100%;
  display: flex !important;
  justify-content: space-between;
  align-items: center;
  padding: 1.125rem 1.5rem;
  font-size: 0.9375rem;
  font-weight: 500;
  text-align: left;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-card-foreground);
  transition: color 0.2s, background-color 0.2s;
}
.faq-trigger:hover {
  color: var(--color-primary);
  background-color: var(--color-muted);
}
.faq-trigger svg {
  transition: transform 0.2s;
  flex-shrink: 0;
  margin-left: 1rem;
}
.faq-trigger[aria-expanded='true'] {
  color: var(--color-primary);
  background-color: var(--color-muted);
}
.faq-trigger[aria-expanded='true'] svg {
  transform: rotate(180deg);
}
.faq-content {
  overflow: hidden !important;
  max-height: 0 !important;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
  padding-bottom: 0 !important;
  padding-top: 0 !important;
}
.faq-content.open {
  max-height: 3000px !important;
  padding-bottom: 1.25rem !important;
  padding-top: 0 !important;
}
.faq-content p {
  color: var(--color-muted-foreground);
  font-size: 0.875rem;
  line-height: 1.75;
}

/* Mobile menu */
.mobile-menu {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}
.mobile-menu.open {
  max-height: 600px;
}

/* Scroll animation - simple fade in */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Partner logo marquee */
@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
.marquee-track {
  animation: marquee 30s linear infinite;
}
.marquee-track:hover {
  animation-play-state: paused;
}

/* Flip cards */
.flip-card {
  perspective: 1000px;
  height: 320px;
}
.flip-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  transform-style: preserve-3d;
}
.flip-card:hover .flip-card-inner,
.flip-card.flipped .flip-card-inner {
  transform: rotateY(180deg);
}
.flip-card-front,
.flip-card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.flip-card-front {
  background: white;
  border: 1px solid var(--color-border);
}
.flip-card-back {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  transform: rotateY(180deg);
  color: white;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 1.5rem;
}

/* Article single page */
.article-content h2 {
  padding-left: 0.875rem !important;
  border-left: 3px solid var(--color-primary) !important;
  margin-top: 2.25rem !important;
  margin-bottom: 0.875rem !important;
  font-size: 1.2rem !important;
  color: var(--color-primary-dark) !important;
}

.article-content h3 {
  margin-top: 1.5rem !important;
  font-size: 1.05rem !important;
  color: var(--color-primary) !important;
}

.article-content blockquote {
  border-left: 3px solid var(--color-secondary) !important;
  border-radius: 0 var(--radius-md) var(--radius-md) 0 !important;
  background-color: var(--color-muted) !important;
  padding: 0.875rem 1.125rem !important;
  font-style: normal !important;
  color: var(--color-card-foreground) !important;
}

.article-content blockquote p {
  margin: 0 !important;
}

.article-content table {
  border-radius: var(--radius-lg) !important;
  overflow: hidden !important;
  border: 1px solid var(--color-border) !important;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06) !important;
  margin-bottom: 1.5rem !important;
}

.article-content thead th {
  background-color: var(--color-primary) !important;
  color: #fff !important;
  font-weight: 600 !important;
  padding: 0.75rem 1rem !important;
  border: none !important;
  font-size: 0.875rem !important;
}

.article-content tbody tr:nth-child(even) {
  background-color: var(--color-muted) !important;
}

.article-content tbody td {
  padding: 0.625rem 1rem !important;
  border-bottom: 1px solid var(--color-border) !important;
  font-size: 0.875rem !important;
}

.article-content ul > li::marker {
  color: var(--color-primary) !important;
}

.article-content ol > li::marker {
  color: var(--color-primary) !important;
  font-weight: 600 !important;
}

.article-content a {
  color: var(--color-primary) !important;
  text-decoration-color: color-mix(in srgb, var(--color-primary) 40%, transparent) !important;
}

.article-content a:hover {
  color: var(--color-primary-light) !important;
}

.article-meta-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: 9999px;
  background-color: var(--color-muted);
  color: var(--color-muted-foreground);
  line-height: 1.5;
}

.article-meta-badge--primary {
  background-color: color-mix(in srgb, var(--color-primary) 12%, transparent);
  color: var(--color-primary);
  font-weight: 600;
}