:root {
  --primary-50: #e6f7fa;
  --primary-100: #ccf0f5;
  --primary-200: #99e0eb;
  --primary-300: #66d1e1;
  --primary-400: #33c1d7;
  --primary-500: #0ea5c9;
  --primary-600: #0b84a1;
  --primary-700: #086379;

  --accent-cyan: #22d3ee;
  --accent-teal: #14b8a6;
  --accent-violet: #8b5cf6;
  --accent-amber: #f59e0b;

  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;

  --bg-primary: #ffffff;
  --bg-secondary: #f6f9fc;
  --bg-elevated: #ffffff;
  --bg-dark: #0d1527;
  --bg-code: #0b1324;

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-soft: #64748b;

  --border: #d9e4f2;
  --border-strong: #c5d5ea;

  --gradient-hero: linear-gradient(130deg, #0f172a 0%, #173559 42%, #0b84a1 72%, #22d3ee 100%);
  --gradient-button: linear-gradient(135deg, #0b84a1 0%, #0ea5c9 100%);
  --gradient-surface: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);

  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.08);
  --shadow-md: 0 8px 28px rgba(15, 23, 42, 0.1);
  --shadow-lg: 0 16px 40px rgba(15, 23, 42, 0.14);
  --shadow-glow: 0 0 34px rgba(14, 165, 201, 0.32);

  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 18px;
  --radius-xl: 22px;

  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;

  --font-sans: 'Inter', 'Space Grotesk', 'Avenir Next', 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'SFMono-Regular', Consolas, monospace;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  color: var(--text-primary);
  line-height: 1.6;
  background:
    radial-gradient(900px 460px at 88% -5%, rgba(14, 165, 201, 0.16), transparent),
    radial-gradient(700px 380px at -6% 15%, rgba(34, 211, 238, 0.11), transparent),
    var(--bg-secondary);
  overflow-x: hidden;
}

a {
  color: inherit;
}

.container {
  width: min(1240px, calc(100% - 36px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid rgba(210, 224, 242, 0.8);
  backdrop-filter: blur(18px) saturate(150%);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
}

.header-inner {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.brand {
  display: inline-flex;
  flex-direction: column;
  text-decoration: none;
  gap: 2px;
}

.brand-mark {
  font-size: 1.12rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  background: linear-gradient(125deg, #0b84a1 8%, #0ea5c9 44%, #0f172a 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.brand-sub {
  font-size: 0.72rem;
  color: var(--text-soft);
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.nav-toggle {
  display: none;
  border: 1px solid var(--border-strong);
  background: #ffffff;
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  color: var(--text-primary);
  font-weight: 600;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.site-nav a {
  text-decoration: none;
  font-size: 0.86rem;
  color: var(--text-secondary);
  font-weight: 600;
  padding: 8px 11px;
  border-radius: 10px;
  transition: all 180ms ease;
  position: relative;
}

.site-nav a::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 4px;
  width: 0;
  height: 2px;
  border-radius: 99px;
  background: var(--primary-500);
  transform: translateX(-50%);
  transition: width 180ms ease;
}

.site-nav a:hover {
  background: var(--primary-50);
  color: var(--primary-700);
}

.site-nav a:hover::after,
.site-nav a.active::after {
  width: calc(100% - 24px);
}

.site-nav a.active {
  color: var(--primary-700);
  background: var(--primary-50);
}

.hero {
  position: relative;
  overflow: hidden;
  margin-top: 0;
  padding: clamp(44px, 8vw, 90px) 0 clamp(32px, 6vw, 64px);
  background: var(--gradient-hero);
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 58px 58px;
  opacity: 0.55;
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 18% 20%, rgba(34, 211, 238, 0.28), transparent 46%),
    radial-gradient(circle at 82% 76%, rgba(56, 189, 248, 0.2), transparent 46%),
    radial-gradient(circle at 42% 110%, rgba(14, 165, 201, 0.22), transparent 52%);
  pointer-events: none;
}

.hero .container {
  position: relative;
  z-index: 1;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid rgba(255, 255, 255, 0.34);
  background: rgba(255, 255, 255, 0.14);
  color: #f8fdff;
  border-radius: 999px;
  padding: 7px 12px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.045em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 16px 0 12px;
  font-size: clamp(2rem, 5vw, 3.35rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: #ffffff;
  max-width: 880px;
}

.hero p,
.page-lead {
  margin: 0;
  color: rgba(241, 249, 255, 0.92);
  max-width: 860px;
  font-size: 1.03rem;
}

.hero-actions {
  margin-top: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.btn,
button.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 16px;
  border-radius: 11px;
  border: 1px solid transparent;
  font-weight: 700;
  font-size: 0.9rem;
  font-family: inherit;
  text-decoration: none;
  transition: all 180ms ease;
  cursor: pointer;
}

.hero .btn-primary {
  background: #ffffff;
  color: #10233f;
  box-shadow: 0 6px 20px rgba(6, 19, 38, 0.28);
}

.hero .btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(6, 19, 38, 0.34);
}

.hero .btn-secondary {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.36);
  color: #f2fbff;
  backdrop-filter: blur(6px);
}

.hero .btn-secondary:hover {
  background: rgba(255, 255, 255, 0.2);
}

.btn-primary {
  background: var(--gradient-button);
  color: #ffffff;
  box-shadow: 0 6px 18px rgba(14, 165, 201, 0.33);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(14, 165, 201, 0.38);
}

.btn-secondary {
  background: #ffffff;
  border-color: var(--border-strong);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background: var(--primary-50);
  border-color: var(--primary-300);
}

.kicker-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 28px;
}

.kicker {
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.12);
  color: #effaff;
  padding: 12px;
  backdrop-filter: blur(4px);
}

.kicker strong {
  display: block;
  font-size: 1.18rem;
  margin-bottom: 2px;
}

.section {
  padding: 34px 0 8px;
}

.section-title {
  margin: 0 0 10px;
  font-size: clamp(1.42rem, 3vw, 2.1rem);
  letter-spacing: -0.01em;
}

.section-subtitle {
  margin: 0 0 20px;
  color: var(--text-secondary);
  max-width: 780px;
}

.workspace-shell {
  border-radius: 20px;
  border: 1px solid var(--border-strong);
  background: var(--gradient-surface);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.workspace-top {
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  background: rgba(255, 255, 255, 0.78);
}

.workspace-top h2 {
  margin: 0;
  font-size: 1.02rem;
}

.workspace-top p {
  margin: 2px 0 0;
  font-size: 0.84rem;
  color: var(--text-soft);
}

.status-line {
  font-size: 0.84rem;
  color: var(--text-secondary);
  background: #eff6ff;
  border: 1px solid #d7e7ff;
  border-radius: 10px;
  padding: 8px 10px;
}

.workspace-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 218px minmax(0, 1fr);
}

.workspace-panel {
  padding: 14px;
  border-right: 1px solid var(--border);
}

.workspace-panel:last-child {
  border-right: 0;
}

.workspace-panel h3 {
  margin: 0;
  font-size: 0.93rem;
}

.workspace-panel p {
  margin: 4px 0 10px;
  color: var(--text-soft);
  font-size: 0.82rem;
}

.editor {
  width: 100%;
  min-height: 316px;
  border-radius: 12px;
  border: 1px solid #283a55;
  background: linear-gradient(160deg, #0b1324 0%, #0f1e36 100%);
  color: #e7f1ff;
  padding: 12px;
  resize: vertical;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.55;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.03);
}

.editor::placeholder {
  color: #7d92af;
}

.editor:focus {
  outline: none;
  border-color: #34cbe0;
  box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.2);
}

.output-editor {
  background: linear-gradient(160deg, #0c172a 0%, #132542 100%);
}

.action-stack {
  border-right: 1px solid var(--border);
  background: linear-gradient(180deg, #f3f9ff 0%, #eef7ff 100%);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.action-stack .btn {
  width: 100%;
}

.token-strip {
  border-top: 1px solid var(--border);
  background: #f8fbff;
  padding: 14px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.metric {
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #ffffff;
  padding: 11px 12px;
  box-shadow: var(--shadow-sm);
}

.metric-label {
  font-size: 0.7rem;
  color: var(--text-soft);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.metric-value {
  margin-top: 6px;
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--text-primary);
}

.metric-value.good {
  color: #0d9488;
}

.metric select {
  width: 100%;
  margin-top: 6px;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px;
  background: #fff;
  font-family: inherit;
}

.layout-2 {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 14px;
}

.card {
  border-radius: 16px;
  border: 1px solid var(--border);
  background: #ffffff;
  padding: 18px;
  box-shadow: var(--shadow-sm);
  transition: transform 170ms ease, box-shadow 170ms ease;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.card h3,
.card h2 {
  margin: 0 0 8px;
}

.card p,
.card li,
.card ol {
  color: var(--text-secondary);
}

.card ul,
.card ol {
  margin: 0;
  padding-left: 18px;
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.compare-table th,
.compare-table td {
  border: 1px solid #dce8f6;
  padding: 10px 11px;
  text-align: left;
  background: #ffffff;
}

.compare-table th {
  background: linear-gradient(90deg, #ecf7ff 0%, #f4fbff 100%);
}

code,
pre {
  font-family: var(--font-mono);
}

pre {
  margin: 0;
  overflow: auto;
  background: linear-gradient(160deg, #0d1629 0%, #13233f 100%);
  color: #d9ebff;
  border: 1px solid #2e4161;
  border-radius: 12px;
  padding: 13px;
  font-size: 0.81rem;
  line-height: 1.56;
}

.faq {
  display: grid;
  gap: 10px;
}

.faq details {
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #ffffff;
  padding: 12px 14px;
  box-shadow: var(--shadow-sm);
}

.faq summary {
  cursor: pointer;
  font-weight: 700;
}

.faq p {
  margin: 10px 0 0;
  color: var(--text-secondary);
}

.page-lead {
  max-width: 860px;
  margin-bottom: 18px;
}

.cta-band {
  margin-top: 16px;
  border-radius: 18px;
  border: 1px solid #bfe1f7;
  background:
    radial-gradient(circle at 100% 0%, rgba(34, 211, 238, 0.2), transparent 45%),
    linear-gradient(140deg, #edf7ff 0%, #f4fffc 100%);
  padding: 22px;
  box-shadow: var(--shadow-md);
}

.cta-band h2 {
  margin: 0 0 8px;
}

.site-footer {
  margin-top: 62px;
  border-top: 1px solid rgba(176, 198, 223, 0.4);
  background: linear-gradient(180deg, #10233d 0%, #0d1b31 100%);
  color: rgba(227, 242, 255, 0.84);
  padding: 34px 0 46px;
}

.footer-inner {
  display: grid;
  gap: 14px;
}

.footer-copy {
  margin: 0;
}

.site-footer a {
  color: #7fdaf0;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.footer-nav a {
  text-decoration: none;
  border: 1px solid rgba(127, 218, 240, 0.3);
  border-radius: 999px;
  padding: 6px 12px;
  background: rgba(255, 255, 255, 0.04);
  color: #ccf4ff;
  font-size: 0.82rem;
}

.footer-nav a:hover {
  background: rgba(127, 218, 240, 0.16);
  border-color: rgba(127, 218, 240, 0.48);
}

.hide {
  display: none !important;
}

@media (max-width: 1080px) {
  .workspace-grid {
    grid-template-columns: 1fr;
  }

  .workspace-panel,
  .action-stack {
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }

  .action-stack {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }

  .token-strip,
  .layout-2,
  .kicker-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 760px) {
  .container {
    width: min(1240px, calc(100% - 24px));
  }

  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    top: 74px;
    left: 0;
    right: 0;
    display: none;
    gap: 6px;
    padding: 12px 14px;
    flex-wrap: wrap;
    background: rgba(255, 255, 255, 0.98);
    border-bottom: 1px solid var(--border-strong);
  }

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

  .hero {
    padding-top: 38px;
  }

  .hero p,
  .page-lead {
    font-size: 0.95rem;
  }

  .token-strip,
  .layout-2,
  .kicker-grid,
  .action-stack {
    grid-template-columns: 1fr;
  }

  .workspace-top {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-footer {
    margin-top: 44px;
    padding: 28px 0 36px;
  }
}