@import url("https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700&family=Space+Grotesk:wght@500;700&display=swap");

:root {
  --bg: #f8fafc;
  --surface: rgba(255, 255, 255, 0.88);
  --surface-strong: rgba(255, 255, 255, 0.96);
  --surface-soft: rgba(248, 250, 252, 0.92);
  --text: #1f2937;
  --muted: rgba(31, 41, 55, 0.72);
  --line: rgba(148, 163, 184, 0.32);
  --line-strong: rgba(148, 163, 184, 0.5);
  --primary: #1a73e8;
  --primary-contrast: #ffffff;
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.12), 0 1px 2px rgba(15, 23, 42, 0.08);
  --shadow-md: 0 10px 30px rgba(15, 23, 42, 0.08);
  --radius-xl: 20px;
  --radius-lg: 14px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "Plus Jakarta Sans", "Noto Sans SC", "PingFang SC", sans-serif;
  color: var(--text);
  font-size: 15px;
  line-height: 1.65;
  background-image:
    radial-gradient(circle at 8% 10%, rgba(16, 185, 129, 0.14), transparent 38%),
    radial-gradient(circle at 92% 8%, rgba(59, 130, 246, 0.14), transparent 36%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), #f8fafc);
  background-attachment: fixed;
}

.top-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--line);
  background: rgba(248, 250, 252, 0.82);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.top-nav-inner {
  width: min(1280px, 96vw);
  margin: 0 auto;
  min-height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.top-nav-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
  font-family: "Space Grotesk", "Plus Jakarta Sans", sans-serif;
  font-weight: 700;
}

.top-nav-logo {
  width: 28px;
  height: 28px;
  border-radius: 8px;
}

.top-nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
}

.top-nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
}

.top-nav-links a:hover {
  color: var(--primary);
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Space Grotesk", "Avenir Next", "Segoe UI", sans-serif;
  letter-spacing: -0.02em;
}

p {
  margin: 0;
}

.orb {
  display: none;
}

.hero {
  width: min(1280px, 96vw);
  margin: 0 auto;
  padding: 56px 0 26px;
  display: grid;
  gap: 22px;
  grid-template-columns: minmax(0, 1.35fr) minmax(260px, 0.65fr);
}

.hero-content,
.hero-card,
.controls,
.card,
.about,
.source-item {
  border: 1px solid var(--line);
  background: var(--surface);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: var(--shadow-sm);
}

.hero-content {
  border-radius: var(--radius-xl);
  padding: 30px;
  animation: slide-fade-up 0.52s cubic-bezier(0.25, 1, 0.3, 1) both;
}

.hero-card {
  border-radius: var(--radius-xl);
  padding: 18px;
  animation: slide-fade-up 0.52s cubic-bezier(0.25, 1, 0.3, 1) 0.05s both;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
}

.logo {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  box-shadow: var(--shadow-sm);
}

.brand-text {
  display: grid;
  gap: 4px;
}

.eyebrow {
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.brand-name {
  font-size: 19px;
  font-weight: 600;
}

.hero h1 {
  font-size: clamp(32px, 4.5vw, 52px);
  line-height: 1.12;
}

.hero-sub {
  margin-top: 14px;
  color: var(--muted);
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.6;
}

.hero-actions {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

button {
  appearance: none;
  border: 1px solid transparent;
  border-radius: 10px;
  font: inherit;
  font-weight: 600;
  padding: 10px 16px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.link-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

.primary {
  background: var(--primary);
  color: var(--primary-contrast);
  border-color: rgba(26, 115, 232, 0.5);
  box-shadow: 0 3px 10px rgba(26, 115, 232, 0.25);
}

.primary:hover {
  filter: brightness(0.96);
}

.ghost {
  background: rgba(255, 255, 255, 0.72);
  color: var(--text);
  border-color: var(--line-strong);
}

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

.stat {
  position: relative;
  border: 1px solid rgba(148, 163, 184, 0.35);
  border-radius: 12px;
  padding: 12px 12px 11px 12px;
  background: var(--surface-strong);
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "dot label"
    "dot value";
  gap: 2px 10px;
}

.stat-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}

.stat-dot {
  grid-area: dot;
  width: 8px;
  height: 8px;
  border-radius: 999px;
  margin-top: 8px;
  background: #6b7280;
}

.stat-skills .stat-dot {
  background: #1a73e8;
}

.stat-sources .stat-dot {
  background: #0f9d58;
}

.stat-updated .stat-dot {
  background: #f29900;
}

.stat-label {
  grid-area: label;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--muted);
}

.stat-value {
  grid-area: value;
  font-size: clamp(20px, 2.2vw, 26px);
  line-height: 1.25;
  font-weight: 700;
  color: #111827;
}

.mono {
  font-family: "Space Grotesk", "Plus Jakarta Sans", sans-serif;
  letter-spacing: -0.01em;
}

main {
  width: min(1280px, 96vw);
  margin: 0 auto;
  padding-bottom: 72px;
}

.quick-links {
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  margin-bottom: 16px;
  padding: 14px 16px;
  display: grid;
  gap: 4px;
}

.quick-link {
  text-decoration: none;
  color: var(--primary);
  font-family: "Space Grotesk", "Plus Jakarta Sans", sans-serif;
  font-weight: 700;
  font-size: 20px;
}

.quick-link:hover {
  text-decoration: underline;
}

.quick-link-sub {
  color: var(--muted);
  font-size: 14px;
}

.controls {
  border-radius: var(--radius-lg);
  padding: 14px;
  margin-bottom: 24px;
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  animation: slide-fade-up 0.52s cubic-bezier(0.25, 1, 0.3, 1) 0.1s both;
}

.control label {
  display: block;
  margin-bottom: 6px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.control input,
.control select {
  width: 100%;
  padding: 11px 12px;
  border-radius: 10px;
  border: 1px solid transparent;
  background: var(--surface-soft);
  color: var(--text);
  font: inherit;
  font-size: 15px;
}

.control input:focus,
.control select:focus {
  outline: none;
  border-color: rgba(26, 115, 232, 0.55);
  background: var(--surface-strong);
}

.grid {
  display: grid;
  gap: 22px;
}

.category-section {
  display: grid;
  gap: 12px;
}

.category-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 8px;
}

.category-header h2 {
  font-size: 24px;
  font-weight: 700;
}

.category-count {
  color: var(--muted);
  font-size: 12px;
}

.category-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(245px, 1fr));
}

.card {
  border-radius: var(--radius-lg);
  padding: 16px;
  display: grid;
  gap: 10px;
  min-height: 228px;
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.card:hover {
  transform: translateY(-2px);
  border-color: rgba(26, 115, 232, 0.35);
  box-shadow: var(--shadow-md);
}

.card h3 {
  font-size: 18px;
  font-weight: 700;
}

.card p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.55;
}

.card-long {
  color: rgba(31, 41, 55, 0.82);
  font-size: 14px;
}

.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.badge {
  border-radius: 999px;
  border: 1px solid rgba(26, 115, 232, 0.22);
  background: rgba(232, 240, 254, 0.9);
  color: #174ea6;
  font-size: 11px;
  padding: 4px 8px;
}

.card-footer {
  margin-top: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.meta {
  font-size: 13px;
  color: var(--muted);
}

.card-footer a {
  text-decoration: none;
  color: var(--text);
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.72);
  border-radius: 10px;
  padding: 8px 12px;
  font-size: 12px;
  font-weight: 600;
  transition: all 0.2s ease;
}

.card-footer a:hover {
  color: var(--primary);
  border-color: var(--primary);
  background: transparent;
}

.about {
  margin-top: 36px;
  border-radius: var(--radius-xl);
  padding: 22px;
  animation: slide-fade-up 0.52s cubic-bezier(0.25, 1, 0.3, 1) 0.16s both;
}

.about h2 {
  font-size: 26px;
}

.about p {
  margin-top: 8px;
  color: var(--muted);
  line-height: 1.6;
}

.source-list {
  margin-top: 14px;
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
}

.source-item {
  border-radius: var(--radius-lg);
  padding: 12px;
}

.source-item strong {
  font-family: "Space Grotesk", sans-serif;
}

.source-item p {
  margin-top: 4px;
  color: var(--muted);
  font-size: 13px;
}

.source-item a {
  margin-top: 6px;
  display: inline-block;
  color: var(--primary);
  text-decoration: none;
  font-size: 12px;
}

.source-item a:hover {
  text-decoration: underline;
}

footer {
  width: min(1280px, 96vw);
  margin: 0 auto;
  color: var(--muted);
  font-size: 12px;
  padding: 0 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

footer a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
}

footer a:hover {
  text-decoration: underline;
}

@keyframes slide-fade-up {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 760px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .top-nav-inner {
    min-height: 52px;
  }

  .top-nav-links {
    gap: 12px;
  }

  .top-nav-links a {
    font-size: 13px;
  }
}

@media (max-width: 640px) {
  .hero {
    padding-top: 34px;
  }

  .hero-content {
    padding: 20px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .top-nav-brand span {
    display: none;
  }

  .top-nav-links a {
    font-size: 12px;
  }

  .about h2 {
    font-size: 22px;
  }

  footer {
    flex-direction: column;
    align-items: flex-start;
  }
}