:root {
  --blue: #0066CC;
  --blue-dark: #004499;
  --blue-light: #E6F2FF;
  --blue-bg: #f0f7ff;
  --text: #1a1a1a;
  --text-light: #555;
  --text-muted: #777;
  --border: #e2e8f0;
  --bg-alt: #f8fafc;
  --white: #ffffff;
  --container: 1140px;
  --header-h: 72px;
  --radius: 8px;
  --shadow: 0 4px 20px rgba(0,0,0,0.06);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.08);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  color: var(--text);
  line-height: 1.65;
  background: var(--white);
  font-size: 16px;
}

@supports (font-variation-settings: normal) {
  body { font-family: 'Inter var', 'Inter', -apple-system, sans-serif; }
}

a {
  color: var(--blue);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

img {
  max-width: 100%;
  height: auto;
}

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  box-shadow: 0 1px 0 var(--border);
}

.header-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.5rem;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text) !important;
  text-decoration: none !important;
  letter-spacing: -0.02em;
}

.logo:hover {
  color: var(--blue) !important;
  text-decoration: none !important;
}

.logo i {
  font-size: 1.5rem;
  color: var(--blue);
}

.nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav a {
  color: var(--text-light);
  font-weight: 500;
  font-size: 0.9375rem;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius);
  transition: color 0.2s, background 0.2s;
}

.nav a:hover {
  color: var(--blue);
  background: var(--blue-bg);
  text-decoration: none;
}

.nav a.active {
  color: var(--blue);
  background: var(--blue-bg);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  padding: 0.5rem;
  cursor: pointer;
  font-size: 1.5rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  font-weight: 600;
  font-size: 0.9375rem;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none !important;
}

.btn-outline {
  border: 2px solid var(--blue);
  color: var(--blue);
  background: transparent;
}

.btn-outline:hover {
  background: var(--blue-bg);
  color: var(--blue);
  text-decoration: none;
}

.btn-primary {
  background: var(--blue);
  color: var(--white);
  border: none;
}

.btn-primary:hover {
  background: var(--blue-dark);
  color: var(--white);
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

.btn-secondary {
  background: var(--white);
  color: var(--blue);
  border: 2px solid var(--blue);
}

.btn-secondary:hover {
  background: var(--blue-bg);
  color: var(--blue);
  text-decoration: none;
}

.btn-lg {
  padding: 0.875rem 1.75rem;
  font-size: 1rem;
}

/* Hero */
.hero {
  padding: 5rem 1.5rem 6rem;
  background: linear-gradient(180deg, var(--blue-bg) 0%, var(--white) 70%);
  text-align: center;
}

.hero-inner {
  max-width: 720px;
  margin: 0 auto;
}

.hero .badge {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--blue);
  background: rgba(0,102,204,0.1);
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  margin-bottom: 1.25rem;
  letter-spacing: 0.02em;
}

.hero .badge-first {
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-dark) 100%);
  color: var(--white);
  padding: 0.4rem 1rem;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.hero h1 {
  font-size: clamp(2.25rem, 5vw, 3.25rem);
  font-weight: 800;
  color: var(--text);
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
}

.hero-lead {
  font-size: 1.25rem;
  color: var(--text-light);
  line-height: 1.6;
  margin-bottom: 2rem;
}

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

/* Sections */
.section {
  padding: 4.5rem 1.5rem;
}

.section-alt {
  background: var(--bg-alt);
}

.container {
  max-width: var(--container);
  margin: 0 auto;
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text);
  text-align: center;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.section-lead {
  text-align: center;
  color: var(--text-light);
  font-size: 1.0625rem;
  max-width: 560px;
  margin: 0 auto 2.5rem;
  line-height: 1.65;
}

/* Feature cards */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.feature-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition: box-shadow 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.feature-card:hover {
  box-shadow: var(--shadow);
  border-color: var(--blue-light);
  transform: translateY(-2px);
}

.feature-icon {
  width: 52px;
  height: 52px;
  background: var(--blue-light);
  color: var(--blue);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
}

.feature-card h3 {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text);
}

.feature-card p {
  font-size: 0.9375rem;
  color: var(--text-light);
  line-height: 1.6;
}

.feature-card code {
  background: var(--bg-alt);
  padding: 0.2rem 0.45rem;
  font-size: 0.85em;
  border-radius: 4px;
}

/* Flow / steps */
.flow {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2rem;
  max-width: 960px;
  margin: 0 auto;
}

.flow-step {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
}

.flow-num {
  width: 36px;
  height: 36px;
  background: var(--blue);
  color: var(--white);
  font-weight: 700;
  font-size: 0.9375rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.flow-step p {
  font-size: 0.9375rem;
  color: var(--text-light);
  line-height: 1.6;
}

.flow-step code {
  background: var(--bg-alt);
  padding: 0.2rem 0.45rem;
  font-size: 0.85em;
  border-radius: 4px;
}

/* Code block */
.code-block {
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
  color: #e2e8f0;
  padding: 1.5rem 1.75rem;
  overflow-x: auto;
  font-size: 0.875rem;
  line-height: 1.7;
  border-radius: var(--radius);
  margin-bottom: 1rem;
  border-left: 4px solid var(--blue);
  box-shadow: 0 2px 12px rgba(0, 102, 204, 0.12);
}

.code-block code {
  font-family: 'JetBrains Mono', 'Consolas', 'Monaco', monospace;
  color: #cbd5e1;
}

/* Syntax-like tints when code is wrapped in spans (see docs script) */
.code-block .hl-comment { color: #94a3b8; }
.code-block .hl-str { color: #86efac; }
.code-block .hl-key { color: #93c5fd; }
.code-block .hl-cmd { color: #fcd34d; }
.code-block .hl-num { color: #f472b6; }

.quick-start-note {
  font-size: 0.9375rem;
  color: var(--text-light);
  line-height: 1.6;
}

.quick-start-note code {
  background: var(--bg-alt);
  padding: 0.2rem 0.45rem;
  font-size: 0.875em;
  border-radius: 4px;
}

/* Page content (docs, etc.) */
.page-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

.page-content h1 {
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.page-content h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-top: 2.5rem;
  margin-bottom: 0.75rem;
  padding-bottom: 0.25rem;
  border-bottom: 1px solid var(--border);
}

.page-content h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
}

.page-content p {
  margin-bottom: 1rem;
  color: var(--text-light);
  line-height: 1.7;
}

.page-content ul, .page-content ol {
  margin-bottom: 1rem;
  padding-left: 1.5rem;
  color: var(--text-light);
}

.page-content li {
  margin-bottom: 0.35rem;
}

.page-content pre {
  margin: 1.25rem 0;
}

.page-content code {
  background: var(--blue-bg);
  color: var(--blue-dark);
  padding: 0.2rem 0.45rem;
  font-size: 0.875em;
  border-radius: 4px;
  font-family: 'JetBrains Mono', 'Consolas', 'Monaco', monospace;
  border: 1px solid rgba(0, 68, 153, 0.15);
}

.page-content pre.code-block code {
  background: none;
  padding: 0;
  font-size: inherit;
  color: #cbd5e1;
}

/* CTA section */
.cta-section {
  text-align: center;
  padding: 4rem 1.5rem;
}

.cta-section .btn {
  margin-top: 0.5rem;
}

/* Comparison / differentiator band */
.diff-band {
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-dark) 100%);
  color: var(--white);
  padding: 3rem 1.5rem;
  text-align: center;
}

.diff-band-inner {
  max-width: var(--container);
  margin: 0 auto;
}

.diff-band h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.diff-band p {
  color: rgba(255,255,255,0.9);
  font-size: 1.0625rem;
  max-width: 640px;
  margin: 0 auto 1.5rem;
}

.diff-band .btn {
  background: var(--white);
  color: var(--blue);
}

.diff-band .btn:hover {
  background: var(--blue-light);
  color: var(--blue-dark);
  text-decoration: none;
}

/* Comparison table */
.comparison-wrap {
  overflow-x: auto;
  margin: 1.5rem 0;
  border-radius: var(--radius);
  box-shadow: 0 1px 3px rgba(0, 102, 204, 0.08);
  -webkit-overflow-scrolling: touch;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
  border: 1px solid rgba(0, 102, 204, 0.25);
  border-radius: var(--radius);
  overflow: hidden;
}

.comparison-table th,
.comparison-table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid rgba(0, 102, 204, 0.12);
  border-right: 1px solid rgba(0, 102, 204, 0.12);
}

.comparison-table th:last-child,
.comparison-table td:last-child {
  border-right: none;
}

.comparison-table tr:last-child td {
  border-bottom: none;
}

.comparison-table th {
  background: var(--blue-bg);
  font-weight: 600;
  color: var(--blue-dark);
  border-bottom: 2px solid var(--blue);
}

.comparison-table td {
  color: var(--text-light);
}

.comparison-table tbody tr:hover td {
  background: rgba(0, 102, 204, 0.06);
}

.comparison-table .check {
  color: var(--blue);
  font-weight: 600;
}

.comparison-table .mute {
  color: var(--text-muted);
}

/* Quote / highlight block */
.quote-block {
  background: var(--blue-bg);
  border-left: 4px solid var(--blue);
  padding: 1.5rem 1.75rem;
  margin: 2rem 0;
  border-radius: 0 var(--radius) var(--radius) 0;
}

.quote-block p {
  margin: 0;
  font-size: 1.0625rem;
  color: var(--text);
  line-height: 1.65;
}

/* Docs TOC */
.docs-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 2.5rem;
  max-width: var(--container);
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

.docs-toc {
  position: sticky;
  top: calc(var(--header-h) + 1rem);
  height: fit-content;
  font-size: 0.9375rem;
}

.docs-toc-title {
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.75rem;
}

.docs-toc a {
  display: block;
  color: var(--text-light);
  padding: 0.35rem 0;
  border-left: 2px solid transparent;
  padding-left: 0.75rem;
  margin-left: -2px;
}

.docs-toc a:hover {
  color: var(--blue);
  text-decoration: none;
}

.docs-toc a.active {
  color: var(--blue);
  font-weight: 500;
  border-left-color: var(--blue);
}

.docs-body {
  min-width: 0;
}

@media (max-width: 991px) {
  .docs-layout {
    grid-template-columns: 1fr;
  }

  .docs-toc {
    position: static;
    border-bottom: 1px solid var(--border);
    padding-bottom: 1rem;
    margin-bottom: 0.5rem;
  }

  .container {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .section {
    padding: 3.5rem 1rem;
  }

  .section-title {
    font-size: 1.75rem;
  }

  .section-lead {
    font-size: 1rem;
    margin-bottom: 2rem;
  }

  .diff-band {
    padding: 2.5rem 1rem;
  }

  .diff-band h2 {
    font-size: 1.35rem;
  }

  .diff-band p {
    font-size: 1rem;
  }

  .cta-section {
    padding: 3rem 1rem;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .flow {
    grid-template-columns: 1fr;
  }
}

/* Footer */
.footer {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  padding: 1.25rem 1.5rem;
}

.footer-inner {
  max-width: var(--container);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 0.9375rem;
  color: var(--text);
  text-decoration: none !important;
}

.footer-brand:hover {
  color: var(--blue);
}

.footer-brand i {
  font-size: 1.125rem;
  color: var(--blue);
}

.footer-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.25rem 0;
}

.footer-links a {
  color: var(--text-light);
  font-size: 0.875rem;
  padding: 0 0.5rem;
  border-right: 1px solid var(--border);
}

.footer-links a:last-child {
  border-right: none;
  padding-right: 0;
}

.footer-links a:hover {
  color: var(--blue);
  text-decoration: none;
}

.footer-copy {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin: 0;
}

/* Mobile nav */
.nav-mobile {
  display: none;
  flex-direction: column;
  background: var(--white);
  padding: 0;
  border-top: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
}

.nav-mobile a {
  color: var(--text);
  padding: 1rem 1.5rem;
  font-weight: 500;
  border-bottom: 1px solid var(--border);
}

.nav-mobile a:hover {
  background: var(--bg-alt);
  color: var(--blue);
  text-decoration: none;
}

.nav-mobile a.active {
  background: var(--blue-bg);
  color: var(--blue);
}

.nav-mobile.open {
  display: flex;
}

@media (max-width: 991px) {
  .nav {
    display: none;
  }

  .nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }
}

@media (max-width: 768px) {
  .hero {
    padding: 3rem 1rem 4rem;
  }

  .hero-inner {
    padding: 0 0.25rem;
  }

  .hero h1 {
    font-size: 1.75rem;
  }

  .hero-lead {
    font-size: 1rem;
    line-height: 1.6;
  }

  .hero-cta {
    flex-direction: column;
    gap: 0.75rem;
  }

  .hero-cta .btn {
    width: 100%;
    justify-content: center;
  }

  .section {
    padding: 2.5rem 1rem;
  }

  .section-title {
    font-size: 1.5rem;
  }

  .section-lead {
    font-size: 0.9375rem;
    margin-bottom: 1.5rem;
  }

  .features-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .feature-card {
    padding: 1.5rem;
  }

  .flow {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .flow-step {
    gap: 1rem;
  }

  .diff-band {
    padding: 2rem 1rem;
  }

  .diff-band h2 {
    font-size: 1.25rem;
  }

  .diff-band .btn {
    display: inline-block;
    width: auto;
    font-size: 0.9375rem;
    padding: 0.6rem 1.25rem;
  }

  .cta-section {
    padding: 2.5rem 1rem;
  }

  .cta-section .btn {
    font-size: 0.9375rem;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
    padding: 1rem;
  }

  .footer-links {
    justify-content: center;
  }

  .footer-links a {
    border-right: none;
  }

  /* Docs */
  .page-content {
    padding: 1.5rem 1rem 3rem;
    max-width: 100%;
  }

  .page-content h1 {
    font-size: 1.625rem;
  }

  .page-content h2 {
    font-size: 1.35rem;
    margin-top: 2rem;
  }

  .page-content h3 {
    font-size: 1.0625rem;
    margin-top: 1.25rem;
  }

  .page-content ul,
  .page-content ol {
    padding-left: 1.25rem;
  }

  .page-content pre.code-block,
  .code-block {
    padding: 1rem 1.25rem;
    font-size: 0.8125rem;
    margin-left: -0.25rem;
    margin-right: -0.25rem;
    max-width: calc(100% + 0.5rem);
    border-radius: 6px;
  }

  .comparison-wrap {
    margin-left: -0.25rem;
    margin-right: -0.25rem;
    max-width: calc(100% + 0.5rem);
  }

  .comparison-table {
    font-size: 0.875rem;
  }

  .comparison-table th,
  .comparison-table td {
    padding: 0.6rem 0.75rem;
  }

  .docs-toc {
    font-size: 0.875rem;
  }

  .docs-toc a {
    padding: 0.35rem 0;
  }
}

@media (max-width: 576px) {
  .header-inner {
    padding: 0 0.75rem;
  }

  .logo {
    font-size: 1.125rem;
  }

  .hero {
    padding: 2.5rem 0.75rem 3.5rem;
  }

  .hero h1 {
    font-size: 1.5rem;
  }

  .hero-lead {
    font-size: 0.9375rem;
  }

  .hero-cta .btn {
    padding: 0.75rem 1rem;
    font-size: 0.9375rem;
  }

  .section {
    padding: 2rem 0.75rem;
  }

  .section-title {
    font-size: 1.375rem;
  }

  .section-lead {
    font-size: 0.875rem;
  }

  .diff-band {
    padding: 1.75rem 0.75rem;
  }

  .diff-band h2 {
    font-size: 1.125rem;
  }

  .diff-band p {
    font-size: 0.9375rem;
  }

  .cta-section {
    padding: 2rem 0.75rem;
  }

  .feature-card {
    padding: 1.25rem;
  }

  .feature-card h3 {
    font-size: 1.0625rem;
  }

  .page-content {
    padding: 1.25rem 0.75rem 2.5rem;
  }

  .page-content h1 {
    font-size: 1.5rem;
  }

  .page-content h2 {
    font-size: 1.25rem;
  }

  .page-content h3 {
    font-size: 1rem;
  }

  .page-content code {
    font-size: 0.8125rem;
    padding: 0.15rem 0.35rem;
  }

  .page-content pre.code-block,
  .code-block {
    padding: 0.75rem 1rem;
    font-size: 0.75rem;
    line-height: 1.6;
  }

  .comparison-table {
    font-size: 0.8125rem;
  }

  .comparison-table th,
  .comparison-table td {
    padding: 0.5rem 0.6rem;
  }

  .btn {
    font-size: 0.9375rem;
    padding: 0.6rem 1rem;
  }

  .btn-lg {
    padding: 0.75rem 1.25rem;
  }

  .footer-inner {
    padding: 0.75rem;
  }

  .footer-brand,
  .footer-links a,
  .footer-copy {
    font-size: 0.8125rem;
  }
}