/* Feature Cards Styles */
/* Supports dark mode and hover effects */

/* Card Container */
.card-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin: 1rem 0;
}

.card-grid-2 {
  composes: card-grid;
}

.card-grid-3 {
  composes: card-grid;
}

/* Base Card Style */
.feature-card {
  flex: 1 1 45%;
  min-width: 280px;
  text-decoration: none;
  color: inherit;
  border: 1px solid var(--md-default-fg-color--lightest, #e0e0e0);
  border-radius: 12px;
  padding: 20px;
  transition: all 0.25s ease;
  background: var(--md-default-bg-color, #fff);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  cursor: pointer;
  display: block;
}

.feature-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
  border-color: var(--md-primary-fg-color, #4051b5);
  text-decoration: none;
  color: inherit;
}

/* Three column cards */
.feature-card-sm {
  flex: 1 1 30%;
  min-width: 250px;
  text-decoration: none;
  color: inherit;
  border: 1px solid var(--md-default-fg-color--lightest, #e0e0e0);
  border-radius: 12px;
  padding: 20px;
  transition: all 0.25s ease;
  background: var(--md-default-bg-color, #fff);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  cursor: pointer;
  display: block;
}

.feature-card-sm:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
  border-color: var(--md-primary-fg-color, #4051b5);
  text-decoration: none;
  color: inherit;
}

/* Work in Progress Card */
.feature-card-wip {
  flex: 1 1 30%;
  min-width: 250px;
  text-decoration: none;
  color: inherit;
  border: 1px dashed var(--md-default-fg-color--light, #b0b0b0);
  border-radius: 12px;
  padding: 20px;
  transition: all 0.25s ease;
  background: var(--md-default-bg-color--light, #fafafa);
  box-shadow: none;
  opacity: 0.65;
  pointer-events: none;
  cursor: default;
}

.feature-card-wip:hover {
  transform: none;
  box-shadow: none;
  text-decoration: none;
  color: inherit;
}

/* Card Header */
.card-header {
  display: inline-flex !important;
  align-items: center !important;
  flex-wrap: nowrap !important;
  margin-bottom: 12px;
  white-space: nowrap;
  pointer-events: none;
}

.card-header h3 {
  margin: 0 !important;
  font-size: 16px;
  font-weight: 600;
  white-space: nowrap !important;
  display: inline !important;
  pointer-events: none;
}

.card-header-lg h3 {
  font-size: 18px;
}

/* Card Icon */
.card-icon {
  height: 1.3em;
  width: 1.3em;
  min-width: 1.3em;
  margin-right: 10px;
  opacity: 0.9;
  transition: all 0.25s ease;
  flex-shrink: 0;
  pointer-events: none;
}

.feature-card:hover .card-icon,
.feature-card-sm:hover .card-icon,
.feature-card-wip:hover .card-icon {
  opacity: 1;
  transform: scale(1.1);
}

/* Icon Colors by Category */
.card-icon-agent {
  filter: invert(45%) sepia(80%) saturate(500%) hue-rotate(190deg) brightness(95%);
}

.card-icon-general {
  filter: invert(50%) sepia(60%) saturate(400%) hue-rotate(100deg) brightness(95%);
}

.card-icon-multimodal {
  filter: invert(40%) sepia(70%) saturate(500%) hue-rotate(250deg) brightness(95%);
}

.card-icon-math {
  filter: invert(55%) sepia(70%) saturate(500%) hue-rotate(10deg) brightness(95%);
}

.card-icon-tool {
  filter: invert(45%) sepia(60%) saturate(400%) hue-rotate(170deg) brightness(95%);
}

.card-icon-data {
  filter: invert(50%) sepia(60%) saturate(450%) hue-rotate(130deg) brightness(95%);
}

.card-icon-integration {
  filter: invert(45%) sepia(70%) saturate(450%) hue-rotate(220deg) brightness(95%);
}

/* Card Description */
.card-desc {
  margin: 0;
  font-size: 13px;
  opacity: 0.8;
  line-height: 1.6;
  pointer-events: none;
}

.card-desc-lg {
  font-size: 14px;
}

/* Make all children non-interactive so clicks pass through to the link */
.feature-card *,
.feature-card-sm * {
  pointer-events: none;
}

/* Badge for Work in Progress */
.badge-wip {
  font-size: 12px;
  background-color: var(--md-warning-fg-color--light, #fff3cd);
  color: var(--md-warning-fg-color, #856404);
  padding: 2px 10px;
  border-radius: 12px;
  margin-left: 10px;
  font-weight: 500;
}

/* Callout Tip - Highlighted intro section */
.callout-tip {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.04) 0%, rgba(245, 158, 11, 0.01) 100%);
  border: 1px solid rgba(245, 158, 11, 0.1);
  border-left: 3px solid rgba(245, 158, 11, 0.5);
  border-radius: 10px;
  padding: 18px 22px;
  margin: 1.5rem 0;
  position: relative;
}

.callout-tip p {
  margin: 0;
  line-height: 1.7;
  font-size: 15px;
}

.callout-tip .callout-icon {
  height: 1.3em;
  width: 1.3em;
  margin-right: 10px;
  vertical-align: middle;
  display: inline-block;
  opacity: 0.6;
  filter: invert(60%) sepia(50%) saturate(400%) hue-rotate(5deg) brightness(100%);
  flex-shrink: 0;
}

/* Dark Mode for Callout Tip */
.dark .callout-tip {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.08) 0%, rgba(245, 158, 11, 0.02) 100%);
  border-color: rgba(245, 158, 11, 0.15);
  border-left-color: rgba(245, 158, 11, 0.6);
}

.dark .callout-tip .callout-icon {
  filter: invert(75%) sepia(60%) saturate(500%) hue-rotate(5deg) brightness(110%);
}

/* Key Features Section */
.key-features {
  background: var(--md-default-bg-color, #fff);
  border-radius: 12px;
  padding: 8px;
  margin: 1rem 0;
}

.key-features ul {
  margin: 0;
  padding-left: 0;
  list-style: none;
}

.key-features > ul > li {
  margin-bottom: 12px;
  padding: 16px 20px;
  border-radius: 10px;
  border: 1px solid transparent;
  transition: all 0.2s ease;
}

.key-features > ul > li:last-child {
  margin-bottom: 0;
}

/* Feature 1: Library - Blue */
.key-features > ul > li:nth-child(1) {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.08) 0%, rgba(59, 130, 246, 0.02) 100%);
  border-color: rgba(59, 130, 246, 0.12);
}

.key-features > ul > li:nth-child(1):hover {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.12) 0%, rgba(59, 130, 246, 0.04) 100%);
  border-color: rgba(59, 130, 246, 0.18);
}

/* Feature 2: Building - Green */
.key-features > ul > li:nth-child(2) {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.08) 0%, rgba(16, 185, 129, 0.02) 100%);
  border-color: rgba(16, 185, 129, 0.12);
}

.key-features > ul > li:nth-child(2):hover {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.12) 0%, rgba(16, 185, 129, 0.04) 100%);
  border-color: rgba(16, 185, 129, 0.18);
}

/* Feature 3: Integration - Purple */
.key-features > ul > li:nth-child(3) {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.08) 0%, rgba(139, 92, 246, 0.02) 100%);
  border-color: rgba(139, 92, 246, 0.12);
}

.key-features > ul > li:nth-child(3):hover {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.12) 0%, rgba(139, 92, 246, 0.04) 100%);
  border-color: rgba(139, 92, 246, 0.18);
}

.key-features ul ul {
  margin-top: 10px;
  padding-left: 20px;
}

.key-features ul ul li {
  margin-bottom: 6px;
  position: relative;
  opacity: 0.85;
}

/* Removed arrow decoration for cleaner appearance */
/* .key-features ul ul li::before {
  content: "›";
  position: absolute;
  left: -16px;
  font-weight: bold;
  opacity: 0.5;
}

.key-features > ul > li:nth-child(1) ul li::before {
  color: #3b82f6;
}

.key-features > ul > li:nth-child(2) ul li::before {
  color: #10b981;
}

.key-features > ul > li:nth-child(3) ul li::before {
  color: #8b5cf6;
} */

/* Dark Mode Adjustments */
.dark .feature-card,
.dark .feature-card-sm {
  background: rgba(30, 30, 30, 0.6);
  border-color: rgba(255, 255, 255, 0.1);
}

.dark .feature-card:hover,
.dark .feature-card-sm:hover {
  background: rgba(40, 40, 40, 0.8);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  border-color: rgba(255, 255, 255, 0.2);
}

.dark .feature-card-wip {
  background: rgba(30, 30, 30, 0.4);
  border-color: rgba(255, 255, 255, 0.08);
}

.dark .key-features {
  background: rgba(255, 255, 255, 0.02);
}

/* Feature 1: Library - Blue (Dark Mode) */
.dark .key-features > ul > li:nth-child(1) {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.18) 0%, rgba(59, 130, 246, 0.05) 100%);
  border: 1px solid rgba(59, 130, 246, 0.2);
}

.dark .key-features > ul > li:nth-child(1):hover {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.28) 0%, rgba(59, 130, 246, 0.08) 100%);
  border-color: rgba(59, 130, 246, 0.35);
}

/* Feature 2: Building - Green (Dark Mode) */
.dark .key-features > ul > li:nth-child(2) {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.18) 0%, rgba(16, 185, 129, 0.05) 100%);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.dark .key-features > ul > li:nth-child(2):hover {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.28) 0%, rgba(16, 185, 129, 0.08) 100%);
  border-color: rgba(16, 185, 129, 0.35);
}

/* Feature 3: Integration - Purple (Dark Mode) */
.dark .key-features > ul > li:nth-child(3) {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.18) 0%, rgba(139, 92, 246, 0.05) 100%);
  border: 1px solid rgba(139, 92, 246, 0.2);
}

.dark .key-features > ul > li:nth-child(3):hover {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.28) 0%, rgba(139, 92, 246, 0.08) 100%);
  border-color: rgba(139, 92, 246, 0.35);
}

.dark .badge-wip {
  background-color: rgba(255, 193, 7, 0.25);
  color: #ffc107;
}

/* Ensure text readability in dark mode */
.dark .key-features ul ul li {
  opacity: 0.9;
}

.dark .key-features strong,
.dark .key-features b {
  color: rgba(255, 255, 255, 0.95);
}

/* Key Features Sub-point Links */
.key-features ul ul li a.feature-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  font-weight: 500;
  text-decoration: none;
  padding: 3px 10px;
  border-radius: 4px;
  margin-left: 8px;
  transition: all 0.2s ease;
  vertical-align: baseline;
  pointer-events: auto;
  white-space: nowrap;
  line-height: 1.4;
}

.key-features ul ul li a.feature-link .link-arrow {
  font-size: 11px;
  transition: transform 0.2s ease;
  display: inline-block;
}

.key-features ul ul li a.feature-link:hover .link-arrow {
  transform: translateX(2px);
}

/* Blue links for Feature 1 (Library) */
.key-features > ul > li:nth-child(1) ul li a.feature-link {
  color: #3b82f6;
  background: rgba(59, 130, 246, 0.08);
  border: 1px solid rgba(59, 130, 246, 0.15);
}

.key-features > ul > li:nth-child(1) ul li a.feature-link:hover {
  background: rgba(59, 130, 246, 0.15);
  border-color: rgba(59, 130, 246, 0.3);
  text-decoration: none;
}

/* Green links for Feature 2 (Building) */
.key-features > ul > li:nth-child(2) ul li a.feature-link {
  color: #10b981;
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.15);
}

.key-features > ul > li:nth-child(2) ul li a.feature-link:hover {
  background: rgba(16, 185, 129, 0.15);
  border-color: rgba(16, 185, 129, 0.3);
  text-decoration: none;
}

/* Purple links for Feature 3 (Integration) */
.key-features > ul > li:nth-child(3) ul li a.feature-link {
  color: #8b5cf6;
  background: rgba(139, 92, 246, 0.08);
  border: 1px solid rgba(139, 92, 246, 0.15);
}

.key-features > ul > li:nth-child(3) ul li a.feature-link:hover {
  background: rgba(139, 92, 246, 0.15);
  border-color: rgba(139, 92, 246, 0.3);
  text-decoration: none;
}

/* Dark mode adjustments for feature links */
.dark .key-features > ul > li:nth-child(1) ul li a.feature-link {
  color: #60a5fa;
  background: rgba(59, 130, 246, 0.15);
  border-color: rgba(59, 130, 246, 0.25);
}

.dark .key-features > ul > li:nth-child(1) ul li a.feature-link:hover {
  background: rgba(59, 130, 246, 0.25);
  border-color: rgba(59, 130, 246, 0.4);
}

.dark .key-features > ul > li:nth-child(2) ul li a.feature-link {
  color: #34d399;
  background: rgba(16, 185, 129, 0.15);
  border-color: rgba(16, 185, 129, 0.25);
}

.dark .key-features > ul > li:nth-child(2) ul li a.feature-link:hover {
  background: rgba(16, 185, 129, 0.25);
  border-color: rgba(16, 185, 129, 0.4);
}

.dark .key-features > ul > li:nth-child(3) ul li a.feature-link {
  color: #a78bfa;
  background: rgba(139, 92, 246, 0.15);
  border-color: rgba(139, 92, 246, 0.25);
}

.dark .key-features > ul > li:nth-child(3) ul li a.feature-link:hover {
  background: rgba(139, 92, 246, 0.25);
  border-color: rgba(139, 92, 246, 0.4);
}

/* Card with arrow indicator */
.feature-card::after,
.feature-card-sm::after {
  content: "→";
  position: absolute;
  right: 16px;
  bottom: 16px;
  opacity: 0;
  transition: all 0.25s ease;
  color: var(--md-primary-fg-color, #4051b5);
}

.feature-card:hover::after,
.feature-card-sm:hover::after {
  opacity: 0.6;
  right: 12px;
}

.feature-card,
.feature-card-sm,
.feature-card-wip {
  position: relative;
}