:root {
  /* Cool-neutral dark palette with warm accent — Linear/Vercel/Anthropic feel */
  --bg: #0b0c0f;
  --bg-elev: #13151a;
  --bg-elev-2: #191b21;
  --bg-elev-3: #1e2029;
  --border: #22252e;
  --border-strong: #2c303a;
  --text: #f2f3f5;
  --text-dim: #7b8091;
  --text-soft: #b2b6c1;
  /* Two-accent system: warm amber + cool indigo for tech depth */
  --accent: #F5A524;
  --accent-dim: #c98a1e;
  --accent-glow: rgba(245, 165, 36, 0.14);
  --accent-soft: rgba(245, 165, 36, 0.05);
  --cool: #7c8cff;
  --cool-soft: rgba(124, 140, 255, 0.08);
  --good: #3dd68c;
  --good-glow: rgba(61, 214, 140, 0.12);
  --mid: #FACC15;
  --bad: #ef4444;
  --gradient-accent: linear-gradient(135deg, #F5A524 0%, #FFB94F 100%);
  --gradient-card: linear-gradient(180deg, rgba(255,255,255,0.02) 0%, transparent 100%);
  --gradient-hero: radial-gradient(ellipse 80% 60% at 50% -10%, rgba(245, 165, 36, 0.06) 0%, transparent 45%), radial-gradient(ellipse 60% 50% at 90% 20%, rgba(124, 140, 255, 0.04) 0%, transparent 50%);
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.4);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.55), 0 1px 2px rgba(0,0,0,0.3);
  --shadow-accent: 0 0 24px rgba(245, 165, 36, 0.18);
  --shadow-card-hover: 0 8px 24px rgba(0,0,0,0.4), 0 1px 0 rgba(255,255,255,0.05) inset;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { color-scheme: dark; forced-color-adjust: none; -webkit-text-size-adjust: 100%; }
body {
  forced-color-adjust: none;
  background: var(--bg);
  background-image: var(--gradient-hero);
  background-attachment: fixed;
  color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  font-feature-settings: 'ss01', 'cv11';
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
.mono {
  font-family: 'JetBrains Mono', 'SF Mono', 'Menlo', 'Consolas', monospace;
  font-variant-ligatures: none;
}
a, a:visited, a:active { color: inherit; text-decoration: none; transition: color 0.15s ease; }
a:hover { color: var(--accent); }
::selection { background: var(--accent); color: #0A0A0A; }

.shell { max-width: 920px; margin: 0 auto; padding: 0 24px; }

header {
  padding: 22px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(11, 12, 15, 0.72);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  z-index: 10;
}
.logo {
  display: flex;
  align-items: center;
  gap: 11px;
  font-weight: 600;
  letter-spacing: -0.015em;
  font-size: 15px;
  color: var(--text);
  transition: opacity 0.15s ease;
  cursor: pointer;
}
.logo:hover { opacity: 0.82; color: var(--text); }
.logo:hover .logo-mark span:first-child { background: var(--accent); }
.logo-mark {
  width: 22px; height: 22px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 2px;
  transition: transform 0.2s ease;
}
.logo:hover .logo-mark { transform: rotate(-4deg); }
.logo-mark span {
  background: var(--accent);
  border-radius: 3px;
  box-shadow: 0 0 10px rgba(245, 165, 36, 0.35);
  transition: background 0.2s ease;
}
.logo-mark span:nth-child(2) { background: color-mix(in oklab, var(--accent) 78%, var(--cool) 22%); }
.logo-mark span:nth-child(3) { background: color-mix(in oklab, var(--accent) 78%, var(--cool) 22%); }
.logo-mark span:nth-child(4) { background: var(--cool); box-shadow: 0 0 10px rgba(124, 140, 255, 0.35); }
.top-nav { display: flex; gap: 28px; font-size: 13px; color: var(--text-dim); font-weight: 500; }
.top-nav a { transition: color 0.15s ease; }
.top-nav a:hover { color: var(--text); }

main { padding: 64px 0 96px; }

.breadcrumb {
  color: var(--text-dim);
  font-size: 12px;
  margin-bottom: 28px;
  letter-spacing: 0.01em;
}
.breadcrumb a { transition: color 0.15s ease; }
.breadcrumb a:hover { color: var(--text-soft); }
.breadcrumb span { color: var(--accent); }

h1 {
  font-size: clamp(32px, 5vw, 54px);
  letter-spacing: -0.035em;
  font-weight: 600;
  margin-bottom: 18px;
  line-height: 1.05;
  color: var(--text);
}
.lead {
  font-size: 19px;
  color: var(--text-soft);
  max-width: 760px;
  margin-bottom: 40px;
  line-height: 1.55;
  font-weight: 400;
}
.lead strong { color: var(--text); font-weight: 500; }

.winner {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 12px 18px;
  background: var(--bg-elev);
  background-image: linear-gradient(135deg, rgba(61, 214, 140, 0.06) 0%, transparent 100%);
  border: 1px solid var(--border);
  border-left: 2px solid var(--good);
  border-radius: 10px;
  margin-bottom: 48px;
  font-size: 14px;
  box-shadow: var(--shadow-sm);
}
.winner-label {
  font-size: 10px;
  color: var(--good);
  letter-spacing: 0.08em;
  font-weight: 600;
}
.winner-score {
  color: var(--good);
  font-family: 'JetBrains Mono', monospace;
  font-weight: 600;
  padding: 2px 8px;
  background: var(--good-glow);
  border-radius: 4px;
  font-size: 13px;
}

h2 {
  font-size: 26px;
  margin: 64px 0 24px;
  letter-spacing: -0.02em;
  font-weight: 600;
  line-height: 1.2;
  color: var(--text);
}
h3.sub-heading {
  font-size: 14px;
  margin: 28px 0 12px;
  color: var(--text-dim);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.editorial-section { margin-top: 48px; }
.editorial-section p {
  color: var(--text-soft);
  font-size: 17px;
  margin-bottom: 20px;
  line-height: 1.65;
}
.editorial-section p:last-child { margin-bottom: 0; }
.editorial-section strong { color: var(--text); font-weight: 500; }

.clean-ul { padding-left: 0; list-style: none; }
.clean-ul li {
  padding: 14px 18px;
  background: var(--bg-elev);
  background-image: var(--gradient-card);
  border: 1px solid var(--border);
  border-left: 2px solid var(--accent);
  margin-bottom: 8px;
  border-radius: 0 10px 10px 0;
  color: var(--text-soft);
  font-size: 15px;
  transition: border-color 0.15s ease, background 0.15s ease;
}
.clean-ul li:hover { border-color: var(--border-strong); border-left-color: var(--accent); }

.tips-list {
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}
.tips-list li {
  display: flex;
  gap: 20px;
  padding: 22px 24px;
  background: var(--bg-elev);
  background-image: var(--gradient-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.tips-list li:hover { border-color: var(--border-strong); transform: translateY(-1px); }
.tip-num {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  flex-shrink: 0;
  width: 28px;
  padding-top: 3px;
  letter-spacing: 0.05em;
}
.tips-list strong {
  display: block;
  font-size: 16px;
  margin-bottom: 8px;
  font-weight: 500;
  color: var(--text);
  letter-spacing: -0.01em;
}
.tips-list p { color: var(--text-soft); font-size: 14px; line-height: 1.6; }

.examples-grid { display: flex; flex-direction: column; gap: 16px; }
.example-card {
  padding: 22px 24px;
  background: var(--bg-elev);
  background-image: var(--gradient-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: border-color 0.15s ease;
}
.example-card:hover { border-color: var(--border-strong); }
.example-label {
  font-size: 10px;
  color: var(--accent);
  letter-spacing: 0.1em;
  margin-bottom: 14px;
  font-weight: 600;
  text-transform: uppercase;
}
.example-block { margin-bottom: 14px; }
.example-block:last-child { margin-bottom: 0; }
.example-heading {
  font-size: 10px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
  font-weight: 600;
}
.example-block pre {
  background: var(--bg);
  padding: 16px 18px;
  border-radius: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  color: var(--text-soft);
  white-space: pre-wrap;
  word-break: break-word;
  line-height: 1.6;
  border: 1px solid var(--border);
}

.mistakes-list { padding: 0; list-style: none; display: grid; gap: 10px; }
.mistakes-list li {
  padding: 18px 20px;
  background: var(--bg-elev);
  background-image: var(--gradient-card);
  border: 1px solid var(--border);
  border-left: 2px solid var(--bad);
  border-radius: 0 10px 10px 0;
  transition: border-color 0.15s ease;
}
.mistakes-list li:hover { border-color: var(--border-strong); border-left-color: var(--bad); }
.mistakes-list strong {
  display: block;
  font-size: 15px;
  margin-bottom: 6px;
  font-weight: 500;
  color: var(--text);
}
.mistakes-list p { color: var(--text-soft); font-size: 14px; line-height: 1.55; }

.related-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 10px; }
.related-card {
  padding: 16px 20px;
  background: var(--bg-elev);
  background-image: var(--gradient-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all 0.15s ease;
  font-size: 14px;
}
.related-card:hover {
  border-color: var(--accent);
  background: var(--bg-elev-2);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.related-arrow { color: var(--text-dim); font-family: 'JetBrains Mono', monospace; transition: transform 0.15s ease, color 0.15s ease; }
.related-card:hover .related-arrow { color: var(--accent); transform: translateX(3px); }

.faq-list { display: flex; flex-direction: column; gap: 8px; }
.faq-item {
  padding: 18px 22px;
  background: var(--bg-elev);
  background-image: var(--gradient-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
  transition: border-color 0.15s ease;
}
.faq-item:hover { border-color: var(--border-strong); }
.faq-item[open] { border-color: var(--border-strong); }
.faq-item summary {
  font-weight: 500;
  font-size: 15px;
  list-style: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  color: var(--text);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '';
  width: 10px;
  height: 10px;
  border-right: 1.5px solid var(--accent);
  border-bottom: 1.5px solid var(--accent);
  transform: rotate(45deg);
  transition: transform 0.2s ease;
  flex-shrink: 0;
}
.faq-item[open] summary::after { transform: rotate(-135deg); }
.faq-item p {
  color: var(--text-soft);
  font-size: 15px;
  margin-top: 14px;
  line-height: 1.65;
}

.prompt-section, .compare-section, .outputs-section { margin-top: 56px; }
.prompt-box, .output-body {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px 22px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  color: var(--text-soft);
  line-height: 1.65;
  white-space: pre-wrap;
  word-break: break-word;
  overflow-x: auto;
}

.table-wrap {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
table.compare { width: 100%; border-collapse: collapse; font-size: 14px; }
table.compare th, table.compare td {
  padding: 14px 18px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
table.compare tr:last-child td { border-bottom: none; }
table.compare tr:hover td { background: rgba(255,255,255,0.015); }
table.compare th {
  font-weight: 500;
  color: var(--text-dim);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--bg);
}
table.compare td.model { font-weight: 500; color: var(--text); }
table.compare td.muted, .muted { color: var(--text-dim); }

.score-badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 6px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.score-good {
  background: var(--good-glow);
  color: var(--good);
  border: 1px solid rgba(61, 214, 140, 0.2);
}
.score-mid {
  background: rgba(250, 204, 21, 0.12);
  color: var(--mid);
  border: 1px solid rgba(250, 204, 21, 0.2);
}
.score-bad {
  background: rgba(239, 68, 68, 0.12);
  color: var(--bad);
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.output-card {
  margin-top: 16px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: border-color 0.15s ease;
}
.output-card:hover { border-color: var(--border-strong); }
.output-header {
  padding: 14px 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  gap: 12px;
}
.output-header strong { font-size: 14px; font-weight: 500; color: var(--text); }
.output-body { border: none; border-radius: 0; }
.output-notes {
  padding: 12px 18px;
  font-size: 12px;
  color: var(--text-dim);
  border-top: 1px solid var(--border);
  font-style: italic;
  line-height: 1.55;
}

.pro-cta {
  margin-top: 72px;
  padding: 32px;
  background:
    radial-gradient(ellipse at top right, rgba(245, 165, 36, 0.08) 0%, transparent 50%),
    linear-gradient(135deg, #1a1407 0%, #0f0f11 60%);
  border: 1px solid rgba(245, 165, 36, 0.25);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  box-shadow: var(--shadow-md);
}
.pro-cta-inner strong {
  font-size: 18px;
  display: block;
  margin-bottom: 6px;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--text);
}
.pro-cta-inner p {
  color: var(--text-soft);
  font-size: 14px;
  margin: 0 0 16px 0;
  max-width: 520px;
  line-height: 1.55;
}
.pro-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  background: var(--gradient-accent);
  color: #0A0A0A !important;
  border-radius: 9px;
  font-weight: 600;
  font-size: 14px;
  letter-spacing: -0.005em;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  box-shadow: var(--shadow-sm), 0 0 0 1px rgba(255,255,255,0.08) inset;
}
.pro-cta-btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-accent), 0 0 0 1px rgba(255,255,255,0.12) inset;
  color: #0A0A0A !important;
}
.pro-cta-btn::after { content: '→'; font-family: 'JetBrains Mono', monospace; font-weight: 400; }

.intent-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 12px;
}
.intent-card {
  padding: 20px 22px;
  background: var(--bg-elev);
  background-image: var(--gradient-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: all 0.15s ease;
  display: flex;
  flex-direction: column;
  gap: 10px;
  position: relative;
}
.intent-card:hover {
  border-color: var(--accent);
  background: var(--bg-elev-2);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.intent-title {
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  letter-spacing: -0.005em;
}
.intent-query { font-size: 12px; color: var(--text-dim); font-family: 'JetBrains Mono', monospace; }
.intent-score { margin-top: 6px; }

.partners-section { margin-top: 72px; padding-top: 48px; border-top: 1px solid var(--border); }
.partners-lead {
  color: var(--text-dim);
  font-size: 13px;
  margin-bottom: 24px;
  letter-spacing: 0.01em;
}
.partners-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
}
.partner-card {
  padding: 20px 22px;
  background: var(--bg-elev);
  background-image: var(--gradient-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: all 0.15s ease;
  position: relative;
}
.partner-card:hover {
  border-color: var(--accent);
  background: var(--bg-elev-2);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.partner-top strong {
  font-size: 15px;
  font-weight: 500;
  display: block;
  margin-bottom: 6px;
  color: var(--text);
  letter-spacing: -0.005em;
}
.partner-tag { font-size: 12px; color: var(--text-dim); line-height: 1.5; }
.partner-cta {
  font-size: 12px;
  color: var(--cool);
  font-family: 'JetBrains Mono', monospace;
  font-weight: 500;
  letter-spacing: 0.02em;
}

.eyebrow, .bundle-promo-tag, .winner-label, .example-label {
  font-variant-caps: small-caps;
  letter-spacing: 0.15em;
}

.bundle-promo {
  display: block;
  padding: 28px;
  background:
    radial-gradient(ellipse at top right, rgba(245, 165, 36, 0.08) 0%, transparent 55%),
    linear-gradient(135deg, #1a1407 0%, #0f0f11 65%);
  border: 1px solid rgba(245, 165, 36, 0.25);
  border-radius: 14px;
  transition: border-color 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
  box-shadow: var(--shadow-md);
}
.bundle-promo:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md), var(--shadow-accent);
}
.bundle-promo-inner strong {
  display: block;
  font-size: 20px;
  margin: 12px 0 8px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.02em;
}
.bundle-promo-inner p {
  color: var(--text-soft);
  font-size: 15px;
  margin: 0 0 20px;
  line-height: 1.55;
}
.bundle-promo-tag {
  font-size: 10px;
  color: var(--accent);
  letter-spacing: 0.12em;
  font-weight: 600;
}
.bundle-promo-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--text-dim);
  padding-top: 20px;
  border-top: 1px solid rgba(245, 165, 36, 0.12);
}
.bundle-promo-price {
  font-family: 'JetBrains Mono', monospace;
  color: var(--accent);
  font-weight: 600;
  font-size: 22px;
  letter-spacing: -0.01em;
}

.bundle-buy {
  padding: 36px;
  background: var(--bg-elev);
  background-image: var(--gradient-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  margin: 40px 0;
  text-align: center;
  box-shadow: var(--shadow-md);
}
.bundle-buy-price {
  font-size: 52px;
  font-weight: 600;
  letter-spacing: -0.035em;
  margin-bottom: 24px;
  color: var(--text);
  line-height: 1;
}
.bundle-buy-currency {
  font-size: 15px;
  color: var(--text-dim);
  font-weight: 400;
  margin-left: 6px;
  letter-spacing: 0;
}

.variation-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 32px; }
.chip {
  display: inline-flex;
  font-size: 11px;
  font-family: 'JetBrains Mono', monospace;
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  font-weight: 500;
}
.chip-key { padding: 5px 10px; background: var(--bg-elev); color: var(--text-dim); }
.chip-val { padding: 5px 10px; color: var(--accent); background: var(--accent-soft); }

.site-footer {
  padding: 40px 0 32px;
  border-top: 1px solid var(--border);
  color: var(--text-dim);
  font-size: 12px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 40px;
}

@media (max-width: 640px) {
  .shell { padding: 0 20px; }
  main { padding: 40px 0 64px; }
  header { padding: 18px 0; }
  h1 { font-size: clamp(28px, 6vw, 38px); }
  .lead { font-size: 16px; }
  .tips-list li { flex-direction: column; gap: 10px; padding: 18px 20px; }
  table.compare { font-size: 12px; }
  table.compare th, table.compare td { padding: 10px 12px; }
  .bundle-promo, .pro-cta { padding: 24px; }
  .bundle-buy-price { font-size: 42px; }
  .pro-cta { flex-direction: column; align-items: stretch; }
  .pro-cta-btn { justify-content: center; }
}