/* TextAPI — 2026 refresh. No frameworks, system fonts, one accent. */

:root {
  --ink: #16181d;
  --ink-soft: #4b5261;
  --paper: #fbfbf9;
  --card: #ffffff;
  --line: #e4e4dd;
  --accent: #3b63c4;
  --accent-dark: #2c4d9e;
  --terminal: #1c1f26;
  --mono: ui-monospace, "SF Mono", "Cascadia Code", Menlo, Consolas, monospace;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1060px;
  margin: 0 auto;
  padding: 0 24px;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Masthead */
.masthead {
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}
.masthead-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.wordmark {
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.wordmark:hover { text-decoration: none; }
.wordmark .accent { color: var(--accent); }

.site-nav { display: flex; align-items: center; gap: 22px; }
.site-nav a {
  color: var(--ink-soft);
  font-size: 0.95rem;
  font-weight: 500;
}
.site-nav a:hover, .site-nav a.active { color: var(--ink); text-decoration: none; }
.site-nav .nav-cta {
  background: var(--accent);
  color: #fff;
  padding: 8px 16px;
  border-radius: 8px;
  font-weight: 600;
}
.site-nav .nav-cta:hover { background: var(--accent-dark); }

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 22px;
  border: 0;
  border-radius: 10px;
  font-weight: 600;
  font-size: 1rem;
  font-family: inherit;
  line-height: inherit;
  cursor: pointer;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); }
.btn-ghost {
  color: var(--ink);
  border: 1px solid var(--line);
  background: var(--card);
}
.btn-ghost:hover { border-color: var(--ink-soft); }

/* Hero */
.hero { padding: 72px 0 64px; }
.hero-dark {
  background: linear-gradient(180deg, #161b28 0%, #1a2133 100%);
  color: #f2f4f8;
}
.hero-dark h1 { color: #fff; }
.hero-dark .lede { color: #aab3c5; }
.hero-dark .hero-note { color: #8a93a8; }
.hero-dark .hero-note a { color: #8fa8ee; }
.btn-ghost-dark {
  color: #f2f4f8;
  border: 1px solid rgba(255, 255, 255, 0.25);
}
.btn-ghost-dark:hover { border-color: rgba(255, 255, 255, 0.55); }
.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.hero-inner > * { min-width: 0; }
.hero h1 {
  font-size: 2.9rem;
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin-bottom: 18px;
}
.lede { font-size: 1.15rem; color: var(--ink-soft); }
.hero-actions { display: flex; gap: 12px; margin: 26px 0 14px; flex-wrap: wrap; }
.hero-note { font-size: 0.9rem; color: var(--ink-soft); }

/* Terminal card */
.terminal {
  background: var(--terminal);
  border-radius: 12px;
  box-shadow: 0 18px 40px -18px rgba(22, 24, 29, 0.45);
  overflow: hidden;
}
.terminal-bar { display: flex; gap: 7px; padding: 12px 14px; }
.terminal-bar span {
  width: 11px; height: 11px; border-radius: 50%;
  background: #3a3f4c;
}
.terminal pre {
  padding: 6px 18px 20px;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 0.82rem;
  line-height: 1.65;
  color: #e8e9ec;
}
.t-prompt { color: #7ea2f0; }
.t-out { color: #9aa3b5; }

/* Live demo card */
.demo-card {
  background: var(--card);
  color: var(--ink);
  border-radius: 12px;
  box-shadow: 0 18px 40px -18px rgba(0, 0, 0, 0.55);
  padding: 18px 20px 14px;
}
.demo-head {
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
  margin-bottom: 12px;
}
.demo-input-row { display: flex; gap: 8px; }
.demo-input-row input {
  flex: 1;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 0.92rem;
  font-family: inherit;
  color: var(--ink);
  background: var(--paper);
}
.demo-input-row input:focus { outline: 2px solid var(--accent); border-color: transparent; }
.demo-input-row .btn { padding: 10px 16px; font-size: 0.92rem; }
.demo-text { margin: 16px 0 12px; font-size: 1rem; line-height: 2; }
.ent {
  border-radius: 6px;
  padding: 2px 6px;
  margin: 0 1px;
  white-space: nowrap;
}
.ent span {
  font-family: var(--mono);
  font-size: 0.62rem;
  font-weight: 700;
  margin-left: 5px;
  vertical-align: 1px;
  opacity: 0.7;
}
.ent-org     { background: #dbe6ff; }
.ent-person  { background: #ffe1ee; }
.ent-gpe     { background: #d8f3e1; }
.ent-money   { background: #fdeccc; }
.ent-date    { background: #ecdffc; }
.ent-product { background: #d7f0f7; }
.ent-other   { background: #e8e8e2; }
.demo-sentiment { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.sent-chip {
  font-weight: 700;
  font-size: 0.8rem;
  border-radius: 999px;
  padding: 3px 12px;
}
.sent-pos { background: #d8f3e1; color: #1c6b3c; }
.sent-neg { background: #fadddd; color: #9b2c2c; }
.sent-neu { background: #e8e8e2; color: #55584f; }
.sent-detail { font-family: var(--mono); font-size: 0.75rem; color: var(--ink-soft); }
.demo-note {
  margin-top: 14px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  font-size: 0.78rem;
  color: var(--ink-soft);
}

/* Features */
.features { padding: 24px 0 64px; }
.section-title {
  font-size: 1.7rem;
  letter-spacing: -0.02em;
  margin-bottom: 28px;
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.feature {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.feature .endpoint {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--accent);
  background: rgba(59, 99, 196, 0.08);
  border-radius: 6px;
  padding: 3px 8px;
  align-self: flex-start;
}
.feature h3 { font-size: 1.08rem; letter-spacing: -0.01em; }
.feature p { font-size: 0.93rem; color: var(--ink-soft); flex: 1; }
.feature a { font-size: 0.9rem; font-weight: 600; }

/* Snippets */
.snippets {
  border-top: 1px solid var(--line);
  background: var(--card);
  padding: 56px 0 64px;
}
.section-sub { color: var(--ink-soft); margin: -18px 0 24px; }
.snippet-card {
  background: var(--terminal);
  border-radius: 12px;
  overflow: hidden;
  max-width: 760px;
}
.snippet-tabs {
  display: flex;
  gap: 4px;
  padding: 10px 12px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.snippet-tab {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: #9aa3b5;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  padding: 6px 12px 8px;
  cursor: pointer;
}
.snippet-tab.active { color: #fff; border-bottom-color: var(--accent); }
.snippet-pane {
  display: none;
  padding: 18px;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 0.84rem;
  line-height: 1.65;
  color: #e8e9ec;
}
.snippet-pane.active { display: block; }
.snippet-note { margin-top: 16px; font-size: 0.88rem; color: var(--ink-soft); }

/* Pricing strip */
.pricing {
  border-top: 1px solid var(--line);
  background: #f0f3fb;
  padding: 64px 0;
}
.pricing-inner { max-width: 640px; text-align: center; }
.pricing h2 { font-size: 1.7rem; letter-spacing: -0.02em; margin-bottom: 12px; }
.pricing p { color: var(--ink-soft); margin-bottom: 22px; }
.pricing-alt { font-size: 0.9rem; margin-top: 18px; margin-bottom: 0; }

/* FAQ */
.faq { padding: 56px 0 72px; }
.faq-inner { max-width: 680px; }
.faq details {
  border-bottom: 1px solid var(--line);
  padding: 4px 0;
}
.faq summary {
  cursor: pointer;
  font-weight: 600;
  padding: 12px 0;
  list-style-position: outside;
}
.faq summary:hover { color: var(--accent); }
.faq details p {
  padding: 0 0 16px;
  color: var(--ink-soft);
  font-size: 0.95rem;
}
.faq code { font-family: var(--mono); font-size: 0.85em; }

/* Home: article teasers */
.home-articles { padding: 56px 0 64px; }
.article-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.article-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  color: var(--ink);
}
.article-card:hover { border-color: var(--accent); text-decoration: none; }
.article-date {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--ink-soft);
}
.article-card h3 { font-size: 1.05rem; letter-spacing: -0.01em; }
.article-card p { font-size: 0.92rem; color: var(--ink-soft); flex: 1; }
.article-more { font-size: 0.88rem; font-weight: 600; color: var(--accent); }
.article-all { margin-top: 22px; font-weight: 600; }

/* Blog listing */
.post-list { list-style: none; margin-top: 34px; }
.post-list li {
  padding: 22px 0;
  border-top: 1px solid var(--line);
}
.post-list-title {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  color: var(--ink);
}
.post-list-title:hover { color: var(--accent); text-decoration: none; }
.post-list-meta {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--ink-soft);
  margin: 6px 0 8px;
}
.post-list-summary { color: var(--ink-soft); margin: 0; }

/* Article */
.post { padding: 44px 0 72px; }
.post-inner { max-width: 700px; }
.post-crumb { font-size: 0.88rem; margin-bottom: 18px; }
.post h1 {
  font-size: 2.15rem;
  line-height: 1.18;
  letter-spacing: -0.025em;
  margin-bottom: 10px;
}
.post-meta {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--ink-soft);
  margin-bottom: 18px;
}
.post .lede { margin-bottom: 8px; }

.post-body { margin-top: 30px; }
.post-body h2 {
  font-size: 1.4rem;
  letter-spacing: -0.02em;
  margin: 40px 0 12px;
}
.post-body h3 { font-size: 1.1rem; margin: 30px 0 10px; }
.post-body p { margin-bottom: 16px; }
.post-body ul, .post-body ol { margin: 0 0 16px 22px; }
.post-body li { margin-bottom: 8px; }
.post-body a { text-decoration: underline; }
.post-body strong { font-weight: 700; }

.post-body blockquote {
  border-left: 3px solid var(--line);
  padding: 4px 0 4px 16px;
  margin: 0 0 16px;
  color: var(--ink-soft);
  font-style: italic;
}

.post-body table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 20px;
  font-size: 0.92rem;
}
.post-body th, .post-body td {
  text-align: left;
  padding: 9px 12px;
  border-bottom: 1px solid var(--line);
}
.post-body th { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.05em; }
.post-body td:first-child { font-family: var(--mono); font-size: 0.85rem; white-space: nowrap; }

/* Inline + block code */
.post-body code {
  font-family: var(--mono);
  font-size: 0.87em;
  color: var(--accent-dark);
  background: rgba(59, 99, 196, 0.09);
  border-radius: 5px;
  padding: 2px 5px;
  word-break: break-word;
}
/* Block code only — kramdown puts .highlighter-rouge on inline <code> too. */
.post-body pre,
.post-body div.highlighter-rouge {
  background: var(--terminal);
  border-radius: 10px;
  margin-bottom: 20px;
  overflow-x: auto;
}
.post-body pre { padding: 16px 18px; }
.post-body div.highlighter-rouge pre { margin: 0; }
.post-body pre code {
  background: none;
  padding: 0;
  color: #e8e9ec;
  font-size: 0.84rem;
  line-height: 1.6;
}
/* rouge tokens */
.post-body .highlight .c, .post-body .highlight .c1, .post-body .highlight .cm { color: #7f8797; }
.post-body .highlight .s, .post-body .highlight .s1, .post-body .highlight .s2,
.post-body .highlight .se, .post-body .highlight .sb { color: #a5d6a7; }
.post-body .highlight .k, .post-body .highlight .kn, .post-body .highlight .kd,
.post-body .highlight .kc, .post-body .highlight .ow { color: #c792ea; }
.post-body .highlight .nf, .post-body .highlight .nb { color: #82aaff; }
.post-body .highlight .mi, .post-body .highlight .mf, .post-body .highlight .m { color: #f7c66b; }
.post-body .highlight .nt { color: #82aaff; }
.post-body .highlight .na { color: #ffcb8b; }

/* Article CTA + related */
.post-cta {
  margin-top: 44px;
  padding: 24px;
  background: #f0f3fb;
  border-radius: 12px;
}
.post-cta h3 { margin-bottom: 8px; font-size: 1.1rem; }
.post-cta p { color: var(--ink-soft); margin-bottom: 16px; font-size: 0.95rem; }
.post-related { margin-top: 36px; }
.post-related h3 { font-size: 1rem; margin-bottom: 10px; }
.post-related ul { list-style: none; }
.post-related li { padding: 8px 0; border-top: 1px solid var(--line); }

/* Static pages */
.page { padding: 56px 0 72px; }
.page-inner { max-width: 680px; }
.page h1 { font-size: 2.2rem; letter-spacing: -0.02em; margin-bottom: 10px; }
.page h3 { margin: 28px 0 8px; }
.page p { margin-bottom: 12px; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 36px 0;
  background: var(--paper);
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  align-items: flex-start;
}
.footer-brand p {
  font-size: 0.88rem;
  color: var(--ink-soft);
  margin-top: 6px;
  max-width: 320px;
}
.footer-links {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}
.footer-links a { font-size: 0.9rem; color: var(--ink-soft); }
.footer-links a:hover { color: var(--ink); }

/* Responsive */
@media (max-width: 880px) {
  .hero { padding: 48px 0 40px; }
  .hero-inner { grid-template-columns: 1fr; gap: 32px; }
  .hero h1 { font-size: 2.2rem; }
  .feature-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .feature-grid { grid-template-columns: 1fr; }
  .site-nav { gap: 14px; }
  .site-nav a:not(.nav-cta) { display: none; }
}