/* Light mode */
[data-md-color-scheme="default"] {
  --md-primary-fg-color: #232f3e;
  --md-primary-fg-color--light: #37475a;
  --md-primary-fg-color--dark: #161e2d;
  --md-typeset-a-color: #0073bb;
  --md-accent-fg-color: #0073bb;
}

/* Dark mode — let Material's slate scheme handle backgrounds naturally,
   only override accent/link colors for AWS branding */
[data-md-color-scheme="slate"] {
  --md-typeset-a-color: #4fc3f7;
  --md-accent-fg-color: #4fc3f7;
}

/* Header stays AWS dark in both modes */
.md-header {
  background-color: #232f3e;
}

.md-header__button.md-logo {
  margin: 0.2rem 0;
  padding: 0.2rem;
}

.md-header__button.md-logo img {
  border-radius: 0.4rem;
}

.md-header__ellipsis {
  margin-left: -0.4rem;
}

.md-tabs {
  background-color: #232f3e;
}

/* --- Hero Section --- */

.hero {
  text-align: center;
  padding: 4rem 1rem 3rem;
}

.hero-image img {
  width: 150px;
  height: 150px;
  border-radius: 1.5rem;
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 0.75rem;
  font-weight: 700;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--md-default-fg-color--light);
  max-width: 600px;
  margin: 0 auto 2rem;
  line-height: 1.6;
}

.hero-buttons {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-buttons .md-button {
  padding: 0.7rem 1.8rem;
  border-radius: 2rem;
  font-weight: 600;
  font-size: 0.9rem;
}

.hero-buttons .md-button--primary {
  background: #e7157b;
  border-color: #e7157b;
  color: #fff;
}

.hero-buttons .md-button--primary:hover {
  background: #c91168;
  border-color: #c91168;
}

/* --- Features Grid --- */

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  padding: 2rem 0;
}

.feature {
  padding: 1.5rem;
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 0.75rem;
  text-align: center;
}

.feature h3 {
  margin-top: 0;
  font-size: 1.1rem;
}

.feature p {
  color: var(--md-default-fg-color--light);
  font-size: 0.9rem;
  line-height: 1.5;
}

/* --- Skills Catalog --- */

#skill-filters {
  margin-bottom: 1.5rem;
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.filter-label {
  font-weight: 600;
  margin-right: 0.25rem;
}

.filter-btn {
  padding: 0.4rem 0.9rem;
  border: 1px solid var(--md-default-fg-color--lighter);
  border-radius: 1rem;
  background: transparent;
  color: var(--md-default-fg-color);
  cursor: pointer;
  font-size: 0.8rem;
  transition: all 0.15s ease;
}

.filter-btn:hover {
  border-color: var(--md-accent-fg-color);
  color: var(--md-accent-fg-color);
}

.filter-btn.active {
  background: var(--md-accent-fg-color);
  color: var(--md-accent-fg-color--transparent);
  border-color: var(--md-accent-fg-color);
  color: #fff;
}

#skill-catalog,
#skill-grouped {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.skill-card {
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 0.5rem;
  padding: 1.25rem;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.skill-card:hover {
  border-color: var(--md-accent-fg-color);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.skill-card h3 {
  margin-top: 0;
  margin-bottom: 0.5rem;
}

.skill-card p {
  margin-bottom: 0.75rem;
  color: var(--md-default-fg-color--light);
}

.skill-meta {
  margin-bottom: 0.75rem;
  font-size: 0.8rem;
}

.skill-author {
  color: var(--md-default-fg-color--lighter);
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.tag {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 0.75rem;
  font-size: 0.7rem;
  font-weight: 500;
}

.tag-agent {
  background: rgba(79, 195, 247, 0.15);
  color: #4fc3f7;
}

.tag-service {
  background: rgba(255, 153, 0, 0.15);
  color: #ff9900;
}

.tag-domain {
  background: rgba(129, 199, 132, 0.15);
  color: #81c784;
}

[data-md-color-scheme="default"] .tag-agent {
  background: rgba(25, 118, 210, 0.1);
  color: #1565c0;
}

[data-md-color-scheme="default"] .tag-service {
  background: rgba(255, 153, 0, 0.1);
  color: #e65100;
}

[data-md-color-scheme="default"] .tag-domain {
  background: rgba(56, 142, 60, 0.1);
  color: #2e7d32;
}

.group-heading {
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
  padding-bottom: 0.25rem;
  border-bottom: 1px solid var(--md-default-fg-color--lightest);
}

.skill-group {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-bottom: 1rem;
}

@media (min-width: 768px) {
  #skill-catalog,
  .skill-group {
    grid-template-columns: repeat(2, 1fr);
  }
}