:root {
  --pro-blue: #127C87;
  --pro-yellow: #FFC629;
  --pro-blue-50: rgba(18, 124, 135, 0.08);
  --pro-gray-100: #f1f5f9;
  --pro-gray-200: #e2e8f0;
  --pro-gray-300: #cbd5e1;
  --pro-gray-400: #94a3b8;
  --pro-gray-500: #64748b;
  --pro-gray-600: #475569;
  --pro-gray-700: #334155;
  --pro-gray-800: #1e293b;
  --pro-gray-900: #0f172a;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', sans-serif;
  line-height: 1.5;
  color: var(--pro-gray-800);
  background-color: white;
  min-height: 100vh;
}

.wrap {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background-color: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--pro-gray-200);
}

.site-header .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 64px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.ph-logo {
  width: 40px;
  height: 40px;
  border-radius: 0.75rem;
  background-image: linear-gradient(135deg, var(--pro-blue), var(--pro-yellow));
  color: white;
  font-weight: bold;
  font-size: 0.875rem;
  display: grid;
  place-items: center;
}

.ph-wordmark {
  font-weight: 800;
  letter-spacing: -0.01em;
  font-size: 1.25rem;
  color: var(--pro-gray-800);
}

.ph-wordmark > strong {
  color: var(--pro-blue);
}

.top-nav {
  display: none;
}

@media (min-width: 768px) {
  .top-nav {
    display: flex;
    align-items: center;
    gap: 2rem;
  }
  
  .top-nav a {
    color: var(--pro-gray-600);
    text-decoration: none;
    font-size: 0.875rem;
  }
  
  .top-nav a:hover {
    color: var(--pro-blue);
  }
  
  .ph-wordmark {
    font-size: 1.5rem;
  }
}

@media (min-width: 1024px) {
  .ph-wordmark {
    font-size: 1.75rem;
  }
}

/* Hero section */
.hero {
  background-image: linear-gradient(135deg, rgba(18, 124, 135, 0.15), rgba(255, 198, 41, 0.15));
  padding: 3rem 0;
}

.hero-grid {
  display: grid;
  gap: 2rem;
}

@media (min-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }
  
  .hero {
    padding: 5rem 0;
  }
}

/* Cards */
.card {
  background-color: white;
  border-radius: 1rem;
  border: 1px solid var(--pro-gray-200);
  overflow: hidden;
}

.pad {
  padding: 1.5rem;
}

/* Hero content */
.kicker {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--pro-blue);
}

h1 {
  margin-top: 0.5rem;
  font-size: 2rem;
  font-weight: 800;
  line-height: 1.2;
  color: var(--pro-gray-900);
}

.muted {
  color: var(--pro-gray-600);
}

.search-row {
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

@media (min-width: 640px) {
  .search-row {
    flex-direction: row;
  }
  
  h1 {
    font-size: 2.5rem;
  }
}

.search-input {
  position: relative;
  flex-grow: 1;
}

.search-input svg {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
}

.search-input input {
  width: 100%;
  height: 3rem;
  padding-left: 2.5rem;
  padding-right: 0.75rem;
  border-radius: 0.75rem;
  border: 1px solid var(--pro-gray-300);
  font-size: 1rem;
}

.search-input input:focus {
  outline: none;
  border-color: var(--pro-blue);
  box-shadow: 0 0 0 3px rgba(18, 124, 135, 0.2);
}

.search-row button {
  height: 3rem;
  padding: 0 1.5rem;
  border-radius: 0.75rem;
  background-color: var(--pro-blue);
  color: white;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: background-color 0.2s;
}

.search-row button:hover {
  background-color: #106a74;
}

.hero-bullets {
  margin-top: 1.5rem;
  padding-left: 1.5rem;
}

.hero-art {
  height: 100%;
}

.hero-artbox {
  height: 100%;
  min-height: 300px;
  display: grid;
  place-items: center;
  color: var(--pro-gray-400);
}

/* Categories section */
.section-title {
  margin-top: 2.5rem;
  margin-bottom: 1.5rem;
  font-size: 1.5rem;
  font-weight: 700;
}

.cat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1rem;
}

.cat-card {
  padding: 1rem;
  border-radius: 1rem;
  border: 1px solid var(--pro-gray-200);
  background-color: white;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.cat-card:hover {
  border-color: var(--pro-gray-300);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.card-head {
  display: flex;
  align-items: center;
}

.card-icon {
  width: 2.5rem;
  height: 2.5rem;
  display: grid;
  place-items: center;
  background-color: var(--pro-blue-50);
  color: var(--pro-blue);
  border-radius: 0.75rem;
  margin-right: 0.75rem;
}

.card-title {
  font-weight: 600;
  flex-grow: 1;
}

.badge {
  background-color: var(--pro-gray-100);
  color: var(--pro-gray-600);
  font-size: 0.75rem;
  padding: 0.25rem 0.5rem;
  border-radius: 999px;
}

.mini-list {
  margin: 0.75rem 0;
  padding-left: 1.5rem;
  font-size: 0.875rem;
  color: var(--pro-gray-600);
}

.card-cta {
  margin-top: 0.5rem;
  font-size: 0.875rem;
  color: var(--pro-blue);
}

/* Footer */
.site-footer {
  margin-top: 4rem;
  border-top: 1px solid var(--pro-gray-200);
  padding: 2rem 0;
}

.foot-row {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

@media (min-width: 640px) {
  .foot-row {
    flex-direction: row;
    justify-content: space-between;
  }
}

#worker-url {
  font-family: monospace;
  font-size: 0.875rem;
}