:root {
  --bg: #ffffff;
  --bg-soft: #f5f8fa;
  --bg-elev: #ffffff;
  --ink: #0e1a23;
  --ink-soft: #3c4a55;
  --ink-mute: #6b7984;
  --line: #e3e8ed;
  --line-strong: #cdd5dc;
  --brand: #2a5b8a;
  --brand-2: #4fb7c4;
  --brand-tint: #eaf4f7;
  --brand-ink: #0e3a55;
  --accent: var(--brand-2);
  --radius: 10px;
  --radius-lg: 16px;
  --shadow: 0 1px 2px rgba(14,26,35,.06), 0 4px 16px rgba(14,26,35,.04);
  --max: 1180px;
  --gutter: 24px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--brand); text-decoration: none; }
a:hover { color: var(--brand-2); }

h1, h2, h3, h4 { font-weight: 700; color: var(--ink); margin: 0 0 .5em; letter-spacing: -.01em; }
h1 { font-size: clamp(34px, 4.4vw, 56px); line-height: 1.08; font-weight: 800; letter-spacing: -.02em; }
h2 { font-size: clamp(26px, 2.6vw, 36px); line-height: 1.15; }
h3 { font-size: 18px; }
h4 { font-size: 14px; text-transform: uppercase; letter-spacing: .08em; color: var(--ink-mute); margin-bottom: 12px; }
p  { margin: 0 0 1em; color: var(--ink-soft); }
code { font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .9em; background: var(--bg-soft); padding: 1px 6px; border-radius: 4px; color: var(--brand-ink); }

.muted { color: var(--ink-mute); }
.link-muted { color: var(--ink-soft); }
.link-arrow { color: var(--brand); font-weight: 500; }

.wf-banner {
  background: #1b1f24;
  color: #d8e1ea;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: .14em;
  text-align: center;
  padding: 6px 12px;
  text-transform: uppercase;
}

/* nav */
.site-nav { position: sticky; top: 0; z-index: 20; background: rgba(255,255,255,.92); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.nav-row { display: flex; align-items: center; gap: 32px; height: 64px; }
.brand { font-weight: 800; font-size: 20px; letter-spacing: .04em; color: var(--ink); }
.nav-links { display: flex; gap: 26px; margin-left: 8px; flex: 1; }
.nav-links a { color: var(--ink-soft); font-weight: 500; font-size: 14px; }
.nav-links a:hover { color: var(--ink); }
.nav-cta { display: flex; gap: 12px; align-items: center; }
.nav-cta .link-muted { font-size: 14px; }

/* buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 10px 18px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 14px;
  letter-spacing: .005em;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background .15s, border-color .15s, color .15s, transform .05s;
  text-decoration: none;
  line-height: 1;
}
.btn-lg { padding: 14px 24px; font-size: 15px; }
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-ink); color: #fff; }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line-strong); }
.btn-ghost:hover { background: var(--bg-soft); color: var(--ink); border-color: var(--ink-mute); }

/* badge */
.badge {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .14em;
  padding: 6px 12px;
  background: var(--brand-tint);
  color: var(--brand-ink);
  border-radius: 999px;
  margin-bottom: 18px;
}
.badge .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--brand-2); box-shadow: 0 0 0 4px rgba(79,183,196,.18); }

/* hero */
.hero { padding: 56px 0 72px; background: linear-gradient(180deg, var(--bg) 0%, var(--brand-tint) 100%); }
.hero-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; }
.hero h1 .muted { color: var(--ink-mute); font-weight: 600; }
.hero .lede { font-size: 18px; max-width: 540px; color: var(--ink-soft); margin-bottom: 28px; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 28px; }
.hero-meta { list-style: none; padding: 0; margin: 0; display: grid; gap: 6px; font-size: 14px; color: var(--ink-mute); }
.hero-meta li::before { content: "·  "; color: var(--brand-2); }

.hero-visual figcaption { font-family: 'JetBrains Mono', monospace; font-size: 11px; color: var(--ink-mute); margin-top: 12px; text-transform: uppercase; letter-spacing: .12em; text-align: center; }

.screenshot {
  background: #1a1f25;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 30px 60px -20px rgba(14,26,35,.35), 0 8px 24px -12px rgba(14,26,35,.25);
  border: 1px solid #232a31;
}
.screenshot-chrome { display: flex; justify-content: space-between; align-items: center; padding: 10px 16px; background: #161a1f; color: #c4cdd5; font-size: 12px; border-bottom: 1px solid #232a31; }
.chrome-title em { color: #67dfb1; font-style: normal; font-weight: 600; padding: 1px 7px; border-radius: 4px; background: rgba(103,223,177,.12); font-size: 10px; margin-left: 6px; }
.chrome-controls { color: #5a6470; font-family: monospace; }
.screenshot-body { padding: 18px; }
.screenshot-caption { font-family: 'JetBrains Mono', monospace; font-size: 10px; letter-spacing: .14em; text-transform: uppercase; color: #6b7984; margin-bottom: 12px; }
.quick-actions-mock { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.quick-actions-mock .qa-card { padding: 10px 12px; background: #232a31; color: #d8e1ea; font-size: 13px; border-radius: 6px; }
.quick-actions-mock .qa-card.large { grid-column: 1 / -1; background: #2a323b; }
.chat-input-mock { margin-top: 14px; padding: 10px 14px; background: #232a31; border-radius: 8px; display: flex; justify-content: space-between; align-items: center; font-size: 12px; }
.ci-placeholder { color: #6b7984; }
.ci-model { color: #c4cdd5; }

/* ribbon */
.ribbon { background: var(--ink); color: #d8e1ea; padding: 16px 0; text-align: center; }
.ribbon p { color: #d8e1ea; margin: 0; font-size: 14px; letter-spacing: .02em; }

/* generic section */
section { padding: 80px 0; }
.section-head { text-align: center; max-width: 700px; margin: 0 auto 48px; }
.section-head p { color: var(--ink-mute); }

/* feature grid */
.feature-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.feature { background: var(--bg-elev); padding: 22px 20px; border-radius: var(--radius); border: 1px solid var(--line); transition: border-color .15s, transform .15s; }
.feature:hover { border-color: var(--brand-2); transform: translateY(-2px); }
.feature .f-icon { display: inline-block; font-size: 20px; margin-bottom: 10px; }
.feature h3 { font-family: 'JetBrains Mono', monospace; font-size: 15px; color: var(--brand); margin: 0 0 6px; }
.feature p { margin: 0; font-size: 13px; color: var(--ink-mute); line-height: 1.5; }

/* workflow */
.workflow { background: var(--bg-soft); }
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.step { background: var(--bg-elev); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.step-num { font-family: 'JetBrains Mono', monospace; font-size: 12px; letter-spacing: .14em; color: var(--brand-2); margin-bottom: 16px; }
.step h3 { font-size: 17px; margin-bottom: 8px; }
.step p { font-size: 14px; color: var(--ink-mute); }
.step-shot { aspect-ratio: 16/10; background: var(--brand-tint); border-radius: 8px; display: flex; align-items: center; justify-content: center; margin-top: 16px; font-family: 'JetBrains Mono', monospace; font-size: 11px; color: var(--brand-ink); text-transform: uppercase; letter-spacing: .12em; }

.ceo-quote { margin: 56px auto 0; max-width: 760px; padding: 28px 32px; background: var(--bg-elev); border-left: 3px solid var(--brand-2); border-radius: 4px; }
.ceo-quote p { font-size: 18px; color: var(--ink); margin-bottom: 12px; line-height: 1.45; }
.ceo-quote cite { font-style: normal; font-size: 13px; color: var(--ink-mute); }

/* compare */
.compare-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.col { background: var(--bg-elev); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 26px; }
.col h3 { font-size: 16px; margin-bottom: 16px; padding-bottom: 12px; border-bottom: 1px solid var(--line); }
.col ul { list-style: none; padding: 0; margin: 0; }
.col li { font-size: 14px; padding: 8px 0; color: var(--ink-soft); border-bottom: 1px dashed var(--line); }
.col li:last-child { border-bottom: none; }
.col-muted h3 { color: var(--ink-mute); }
.col-accent { border-color: var(--brand-2); background: linear-gradient(180deg, #fff 0%, var(--brand-tint) 100%); }
.col-accent h3 { color: var(--brand); border-color: var(--brand-2); }
.col-accent li { color: var(--ink); }
.col-accent strong { color: var(--brand); font-weight: 700; }

/* providers */
.providers { background: var(--bg-soft); text-align: center; }
.providers h2 { margin-bottom: 12px; }
.providers p { max-width: 640px; margin: 0 auto 32px; color: var(--ink-mute); }
.provider-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; max-width: 800px; margin: 0 auto; }
.provider-card { padding: 24px; background: var(--bg-elev); border: 1px solid var(--line); border-radius: var(--radius); text-align: left; }
.provider-name { display: block; font-weight: 600; color: var(--ink); margin-bottom: 4px; }
.provider-meta { font-family: 'JetBrains Mono', monospace; font-size: 11px; letter-spacing: .12em; color: var(--ink-mute); text-transform: uppercase; }

/* proof */
.proof { padding: 56px 0; background: var(--bg-elev); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.proof-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; text-align: center; }
.proof-num { font-size: 48px; font-weight: 800; color: var(--brand); letter-spacing: -.02em; line-height: 1; }
.proof-label { font-size: 13px; color: var(--ink-mute); margin-top: 8px; }

/* x-platform */
.x-platform { background: var(--ink); color: #d8e1ea; }
.x-platform h2 { color: #fff; }
.x-platform p { color: #aeb7c0; }
.x-platform .link-arrow { color: var(--brand-2); }
.x-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.ecosystem-mock { aspect-ratio: 4/3; background: rgba(79,183,196,.08); border: 1px dashed rgba(79,183,196,.4); border-radius: var(--radius-lg); display: flex; align-items: center; justify-content: center; color: rgba(216,225,234,.6); font-family: 'JetBrains Mono', monospace; font-size: 11px; text-transform: uppercase; letter-spacing: .14em; }

/* learn */
.learn { padding: 56px 0; background: var(--brand-tint); }
.learn-row { display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.learn h2 { margin-bottom: 6px; }
.learn p { color: var(--brand-ink); margin: 0; }

/* beta */
.beta { background: var(--bg-soft); }
.beta-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.beta-copy h2 { font-size: 36px; }
.beta-list { list-style: none; padding: 0; margin: 24px 0 0; color: var(--ink-soft); }
.beta-list li { padding: 6px 0; padding-left: 22px; position: relative; font-size: 14px; }
.beta-list li::before { content: "✓"; color: var(--brand-2); position: absolute; left: 0; font-weight: 700; }

.beta-form { background: var(--bg-elev); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 32px; box-shadow: var(--shadow); }
.beta-form fieldset { border: 0; padding: 0; margin: 0; display: grid; gap: 14px; }
.beta-form label { display: block; font-size: 13px; font-weight: 600; color: var(--ink); }
.beta-form .optional { font-weight: 400; color: var(--ink-mute); }
.beta-form input,
.beta-form select,
.beta-form textarea { display: block; width: 100%; margin-top: 6px; padding: 11px 14px; border: 1px solid var(--line-strong); border-radius: 8px; font: inherit; font-size: 14px; color: var(--ink); background: var(--bg); font-family: inherit; }
.beta-form input:focus,
.beta-form select:focus,
.beta-form textarea:focus { outline: 2px solid var(--brand-2); outline-offset: 1px; border-color: var(--brand-2); }
.beta-form button { width: 100%; margin-top: 4px; }
.beta-form .form-note { font-size: 12px; color: var(--ink-mute); margin: 0; }
.beta-form .thanks { padding: 24px; background: var(--brand-tint); color: var(--brand-ink); border-radius: 8px; text-align: center; margin: 0; }

/* footer */
.site-footer { background: var(--ink); color: #aeb7c0; padding: 64px 0 24px; }
.site-footer .brand { color: #fff; display: block; margin-bottom: 12px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr repeat(4, 1fr); gap: 32px; }
.footer-col h4 { color: #fff; }
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col li { padding: 4px 0; font-size: 14px; }
.footer-col a { color: #aeb7c0; }
.footer-col a:hover { color: var(--brand-2); }
.footer-col strong a { color: #fff; }
.footer-col .muted { color: #6b7984; font-size: 14px; margin: 0; }
.footer-bottom { margin-top: 48px; padding-top: 24px; border-top: 1px solid #232a31; display: flex; justify-content: space-between; font-size: 12px; font-family: 'JetBrains Mono', monospace; letter-spacing: .08em; color: #6b7984; text-transform: uppercase; }

/* responsive */
@media (max-width: 960px) {
  .hero-grid,
  .x-grid,
  .beta-grid { grid-template-columns: 1fr; gap: 40px; }
  .nav-links { display: none; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .steps,
  .compare-grid,
  .provider-row,
  .proof-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  section { padding: 56px 0; }
}
@media (max-width: 560px) {
  .feature-grid,
  .steps,
  .compare-grid,
  .provider-row,
  .proof-grid,
  .footer-grid { grid-template-columns: 1fr; }
  h1 { font-size: 32px; }
  .nav-cta .link-muted,
  .nav-cta .btn-ghost { display: none; }
}