:root {
  --bg: #f7f5f0;
  --bg-elev: #ffffff;
  --ink: #1a1a1a;
  --ink-soft: #4a4a4a;
  --ink-mute: #8a8a8a;
  --line: #e5e1d8;
  --accent: #3a5a40;
  --accent-ink: #ffffff;
  --accent-soft: #edf2ed;
  --warm: #d4a373;
  --radius: 10px;
  --radius-lg: 18px;
  --maxw: 1120px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.55 -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--ink); text-decoration: none; }
a:hover { color: var(--accent); }

.nav {
  display: flex; align-items: center; justify-content: space-between;
  max-width: var(--maxw); margin: 0 auto; padding: 20px 24px;
}
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 600; letter-spacing: -0.01em; }
.nav-links { display: flex; gap: 28px; color: var(--ink-soft); font-size: 14.5px; }
.nav-cta { display: flex; gap: 10px; align-items: center; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 9px 16px; border-radius: 999px; font-weight: 500; font-size: 14.5px;
  border: 1px solid transparent; transition: background .15s, border .15s, color .15s;
}
.btn-lg { padding: 13px 22px; font-size: 15.5px; }
.btn-primary { background: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { background: #2d4731; color: #fff; }
.btn-ghost { color: var(--ink); border-color: var(--line); background: transparent; }
.btn-ghost:hover { border-color: var(--ink); color: var(--ink); }
.lang-switch { padding: 6px 10px; font-size: 12.5px; font-weight: 600; letter-spacing: .3px; cursor: pointer; min-width: 38px; }

/* ---------- Docs layout (probackup-style) ---------- */
.docs-layout { display: grid; grid-template-columns: 240px 1fr; gap: 48px; padding: 40px 0 72px; align-items: start; }
.docs-sidebar { position: sticky; top: 24px; }
.docs-sidebar nav { display: flex; flex-direction: column; gap: 2px; }
.docs-sidebar h5 { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .09em; color: var(--ink-soft); margin: 16px 8px 6px; }
.docs-sidebar h5:first-child { margin-top: 0; }
.docs-sidebar nav a { display: block; padding: 7px 10px; border-radius: 6px; color: var(--ink-soft); font-size: 14px; text-decoration: none; border: 1px solid transparent; }
.docs-sidebar nav a:hover { background: #f4f2ed; color: var(--ink); }
.docs-sidebar nav a.active { background: var(--accent); color: var(--accent-ink); font-weight: 500; }
.docs-content { min-width: 0; max-width: 760px; }
.docs-content .breadcrumbs { font-size: 13px; color: var(--ink-soft); margin-bottom: 12px; }
.docs-content .breadcrumbs a { color: var(--ink-soft); text-decoration: none; }
.docs-content .breadcrumbs a:hover { color: var(--ink); text-decoration: underline; }
.docs-content h1 { font-size: 40px; line-height: 1.1; letter-spacing: -.015em; margin: 0 0 14px; }
.docs-content .lede { font-size: 17px; line-height: 1.55; color: var(--ink-soft); margin: 0 0 32px; }
.docs-content h2 { font-size: 22px; line-height: 1.25; margin: 40px 0 14px; padding-top: 24px; border-top: 1px solid var(--line); scroll-margin-top: 24px; }
.docs-content h2:first-of-type { padding-top: 0; border-top: 0; margin-top: 0; }
.docs-content h3 { font-size: 17px; line-height: 1.3; margin: 24px 0 10px; }
.docs-content p, .docs-content li { font-size: 15px; line-height: 1.68; color: var(--ink); }
.docs-content ul, .docs-content ol { padding-left: 24px; margin: 12px 0 16px; }
.docs-content li + li { margin-top: 6px; }
.docs-content a { color: #1c4530; text-decoration: underline; text-decoration-color: rgba(28,69,48,.35); text-underline-offset: 3px; }
.docs-content a:hover { text-decoration-color: #1c4530; }
.docs-content code { background: #f0ede4; padding: 1.5px 6px; border-radius: 4px; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; color: #3b2d1f; }
.docs-content pre { background: #111; color: #eaeaea; padding: 16px 20px; border-radius: 10px; overflow-x: auto; font-size: 13px; line-height: 1.55; margin: 14px 0 20px; }
.docs-content pre code { background: transparent; padding: 0; color: inherit; font-size: 13px; }
.docs-content table { width: 100%; border-collapse: collapse; margin: 16px 0 24px; font-size: 14px; }
.docs-content th, .docs-content td { padding: 10px 14px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.docs-content thead th { font-weight: 600; background: #faf8f3; font-size: 13px; color: var(--ink-soft); text-transform: uppercase; letter-spacing: .04em; }
.docs-content td code { font-size: 12.5px; }
.docs-content .note { border-left: 3px solid var(--accent); background: #f4f2ed; padding: 14px 18px; border-radius: 0 8px 8px 0; margin: 20px 0; font-size: 14px; line-height: 1.6; }
.docs-content .note strong { display: block; font-size: 12px; text-transform: uppercase; letter-spacing: .08em; color: var(--accent); margin-bottom: 4px; }
.docs-footer-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 64px; padding-top: 32px; border-top: 1px solid var(--line); }
.docs-footer-nav a { display: flex; flex-direction: column; padding: 14px 18px; border: 1px solid var(--line); border-radius: 10px; text-decoration: none; color: var(--ink); transition: border-color .15s; }
.docs-footer-nav a:hover { border-color: var(--ink); text-decoration: none; }
.docs-footer-nav .label { font-size: 11px; text-transform: uppercase; letter-spacing: .08em; color: var(--ink-soft); margin-bottom: 4px; }
.docs-footer-nav .title { font-size: 15px; font-weight: 500; }
.docs-footer-nav .next { text-align: right; grid-column: 2; }
.docs-footer-nav .prev:only-child { grid-column: 1; }
@media (max-width: 800px) {
  .docs-layout { grid-template-columns: 1fr; gap: 24px; padding: 24px 0 48px; }
  .docs-sidebar { position: static; }
  .docs-content h1 { font-size: 30px; }
  .docs-footer-nav { grid-template-columns: 1fr; }
  .docs-footer-nav .next { grid-column: 1; text-align: left; }
}

main { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

.hero { padding: 72px 0 56px; text-align: center; }
.pill {
  display: inline-block; font-size: 13px; color: var(--ink-soft);
  padding: 6px 12px; border: 1px solid var(--line); border-radius: 999px;
  background: var(--bg-elev); margin-bottom: 28px;
}
.hero h1 {
  font-size: clamp(40px, 6vw, 68px); line-height: 1.04;
  letter-spacing: -0.025em; margin: 0 0 22px; font-weight: 600;
}
.hero h1 em { font-style: italic; color: var(--accent); font-weight: 500; }
.lede {
  max-width: 640px; margin: 0 auto 32px; color: var(--ink-soft);
  font-size: 18.5px; line-height: 1.5;
}
.cta-row { display: inline-flex; gap: 12px; flex-wrap: wrap; justify-content: center; }

.trust { margin-top: 64px; color: var(--ink-mute); font-size: 13.5px; }
.trust .logos {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 36px;
  margin-top: 14px; color: var(--ink-soft); font-family: "Iowan Old Style", Georgia, serif;
  font-style: italic; font-size: 18px; opacity: .75;
}

.stats {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 1px; background: var(--line);
  border: 1px solid var(--line); border-radius: var(--radius-lg);
  overflow: hidden; margin: 24px 0 72px;
}
.stats > div {
  background: var(--bg-elev); padding: 28px 22px; text-align: left;
}
.stats b {
  display: block; font-size: 34px; font-weight: 600; letter-spacing: -0.02em;
  color: var(--ink); margin-bottom: 4px;
}
.stats span { color: var(--ink-mute); font-size: 13.5px; }
@keyframes statFlash { 0% { color: var(--accent); } 100% { color: var(--ink); } }
.stat-flash { animation: statFlash 1.1s ease-out; }

.how { padding: 40px 0 64px; }
.how h2, .features h2, .cta h2 {
  font-size: clamp(28px, 3.5vw, 40px); letter-spacing: -0.02em;
  font-weight: 600; margin: 0 0 36px;
}
.steps { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.steps li {
  background: var(--bg-elev); border: 1px solid var(--line);
  border-radius: var(--radius-lg); padding: 28px 24px 26px;
}
.step-num {
  display: inline-block; font-family: "SF Mono", Menlo, monospace;
  color: var(--warm); font-size: 13px; letter-spacing: 0.04em; margin-bottom: 16px;
}
.steps h3 { margin: 0 0 8px; font-size: 18px; font-weight: 600; letter-spacing: -0.01em; }
.steps p { margin: 0; color: var(--ink-soft); font-size: 14.5px; }

.features { padding: 40px 0 80px; }
.features .grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px;
  background: var(--line); border: 1px solid var(--line);
  border-radius: var(--radius-lg); overflow: hidden;
}
.features article {
  background: var(--bg-elev); padding: 28px 26px;
}
.features h3 { margin: 0 0 10px; font-size: 17px; font-weight: 600; letter-spacing: -0.01em; }
.features p { margin: 0; color: var(--ink-soft); font-size: 14.5px; }

.quote {
  text-align: center; padding: 72px 0; max-width: 760px; margin: 0 auto;
}
.quote blockquote {
  margin: 0 0 14px; font-family: "Iowan Old Style", Georgia, serif;
  font-size: clamp(22px, 2.6vw, 30px); line-height: 1.35; color: var(--ink);
  font-style: italic; letter-spacing: -0.01em;
}
.quote cite { font-style: normal; color: var(--ink-mute); font-size: 14px; }

.cta {
  text-align: center; padding: 72px 24px 96px;
  background: var(--accent-soft); border-radius: var(--radius-lg);
  margin: 24px auto 72px;
}
.cta p { color: var(--ink-soft); font-size: 16.5px; max-width: 520px; margin: -20px auto 28px; }

.foot {
  border-top: 1px solid var(--line); max-width: var(--maxw);
  margin: 0 auto; padding: 48px 24px 56px;
}
.foot-brand {
  display: flex; align-items: center; gap: 10px;
  font-weight: 600; margin-bottom: 32px;
}
.foot-cols {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
  margin-bottom: 36px;
}
.foot-cols h4 {
  margin: 0 0 12px; font-size: 13px; color: var(--ink-mute);
  font-weight: 500; letter-spacing: 0.04em; text-transform: uppercase;
}
.foot-cols a {
  display: block; color: var(--ink-soft); font-size: 14px;
  padding: 4px 0;
}
.foot-cols a:hover { color: var(--ink); }
.foot-small { color: var(--ink-mute); font-size: 13px; }

/* ---------- Page head (non-home pages) ---------- */
.page-head { text-align: center; padding: 64px 0 40px; max-width: 780px; margin: 0 auto; }
.kicker {
  display: inline-block; font-family: "SF Mono", Menlo, monospace;
  color: var(--warm); font-size: 12.5px; letter-spacing: 0.08em;
  text-transform: uppercase; margin-bottom: 14px;
}
.page-head h1 {
  font-size: clamp(32px, 4.5vw, 52px); letter-spacing: -0.025em;
  line-height: 1.08; margin: 0 0 18px; font-weight: 600;
}
.page-head .subtitle {
  color: var(--ink-soft); font-size: 17.5px; line-height: 1.5; margin: 0 auto;
  max-width: 620px;
}

/* ---------- Pricing ---------- */
.pricing { padding: 0 0 64px; }
.pricing .grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}
.price-card {
  background: var(--bg-elev); border: 1px solid var(--line);
  border-radius: var(--radius-lg); padding: 32px 28px;
  display: flex; flex-direction: column; gap: 18px;
}
.price-card h3 { margin: 0; font-size: 17px; font-weight: 600; letter-spacing: -0.01em; }
.price-card .price { display: flex; align-items: baseline; gap: 8px; }
.price-card .num { font-size: 42px; font-weight: 600; letter-spacing: -0.03em; }
.price-card .cadence { color: var(--ink-mute); font-size: 14px; }
.price-card ul { list-style: none; padding: 0; margin: 0; color: var(--ink-soft); font-size: 14.5px; }
.price-card li { padding: 7px 0; border-top: 1px solid var(--line); }
.price-card li:first-child { border-top: none; }
.price-card .btn { align-self: flex-start; margin-top: auto; }
.price-card-highlight {
  border-color: var(--accent); box-shadow: 0 1px 0 rgba(58,90,64,.05), 0 18px 36px -18px rgba(58,90,64,.22);
}

.faq { max-width: 760px; margin: 0 auto; padding: 24px 0 96px; }
.faq h2 { font-size: 26px; letter-spacing: -0.01em; margin: 0 0 20px; }
.faq-item {
  background: var(--bg-elev); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 16px 20px; margin-bottom: 10px;
}
.faq-item summary {
  cursor: pointer; font-weight: 500; list-style: none;
  display: flex; justify-content: space-between; align-items: center;
}
.faq-item summary::after { content: "+"; color: var(--ink-mute); font-size: 20px; }
.faq-item[open] summary::after { content: "−"; }
.faq-item p { color: var(--ink-soft); font-size: 14.5px; margin: 12px 0 0; }

/* ---------- Docs ---------- */
.docs-grid { padding: 8px 0 88px; }
.docs-grid .grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
}
.doc-card {
  background: var(--bg-elev); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 22px 22px;
  transition: border-color .15s, transform .15s;
}
.doc-card:hover { border-color: var(--accent); transform: translateY(-1px); }
.doc-card h3 { margin: 0 0 6px; font-size: 16px; font-weight: 600; letter-spacing: -0.01em; }
.doc-card p { margin: 0; color: var(--ink-soft); font-size: 14px; }

/* ---------- Changelog ---------- */
.changelog { padding: 24px 0 96px; max-width: 820px; margin: 0 auto; }
.changelog ol { list-style: none; padding: 0; margin: 0; }
.changelog-item {
  display: grid; grid-template-columns: 140px 1fr; gap: 28px;
  padding: 28px 0; border-top: 1px solid var(--line);
}
.changelog-item:first-child { border-top: none; }
.changelog-item time { color: var(--ink-mute); font-size: 13.5px; font-family: "SF Mono", Menlo, monospace; padding-top: 4px; }
.changelog-item h3 { margin: 0 0 6px; font-size: 18px; font-weight: 600; letter-spacing: -0.01em; }
.changelog-item p { margin: 0; color: var(--ink-soft); font-size: 15px; }

/* ---------- Agents list ---------- */
.agents-list { padding: 24px 0 48px; }
.archetypes {
  list-style: none; padding: 0; margin: 0;
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px;
  background: var(--line); border: 1px solid var(--line);
  border-radius: var(--radius-lg); overflow: hidden;
}
.archetypes li { background: var(--bg-elev); padding: 24px 22px; }
.archetypes h3 { margin: 0 0 8px; font-size: 17px; font-weight: 600; letter-spacing: -0.01em; }
.archetypes p { margin: 0 0 12px; color: var(--ink-soft); font-size: 14.5px; }
.tag {
  display: inline-block; font-family: "SF Mono", Menlo, monospace;
  color: var(--accent); font-size: 12.5px; padding: 3px 8px;
  background: var(--accent-soft); border-radius: 4px;
}

/* ---------- Auth / Contact forms ---------- */
.auth-page { max-width: 460px; margin: 0 auto; padding: 16px 0 96px; }
.auth-page .page-head { padding: 40px 0 28px; }
.auth-form { display: flex; flex-direction: column; gap: 14px; }
.auth-form label { display: flex; flex-direction: column; gap: 6px; }
.auth-form label span { font-size: 13.5px; color: var(--ink-soft); font-weight: 500; }
.auth-form input, .auth-form textarea {
  font: inherit; padding: 11px 14px; border-radius: 10px;
  border: 1px solid var(--line); background: var(--bg-elev); color: var(--ink);
  outline: none; transition: border-color .15s;
}
.auth-form textarea { resize: vertical; min-height: 100px; }
.auth-form input:focus, .auth-form textarea:focus { border-color: var(--accent); }
.auth-form button { margin-top: 6px; align-self: stretch; }
.auth-msg { font-size: 14px; padding: 10px 12px; border-radius: 8px; min-height: 20px; }
.auth-msg-ok { background: var(--accent-soft); color: var(--accent); }
.auth-msg-err { background: #fbe9e9; color: #a13535; }
.auth-alt { color: var(--ink-mute); font-size: 14px; text-align: center; margin: 8px 0 0; }
.auth-alt a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }

/* ---------- Status page ---------- */
.status-box {
  background: var(--bg-elev); border: 1px solid var(--line);
  border-radius: var(--radius-lg); padding: 32px; max-width: 680px;
  margin: 0 auto 96px; text-align: center;
}
.status-dot {
  width: 12px; height: 12px; border-radius: 50%; background: #3d9a5c;
  display: inline-block; margin-bottom: 12px;
  box-shadow: 0 0 0 4px rgba(61,154,92,.18);
}
.status-box h2 { margin: 0 0 24px; font-size: 22px; }
.status-list {
  display: grid; grid-template-columns: 1fr auto; gap: 10px 24px;
  text-align: left; max-width: 440px; margin: 0 auto 20px;
}
.status-list dt { color: var(--ink-soft); font-size: 14.5px; }
.status-list dd { margin: 0; }
.badge-ok { color: #2a6d41; background: #e6f1ea; padding: 3px 10px; border-radius: 999px; font-size: 13px; }
.badge-bad { color: #a13535; background: #fbe9e9; padding: 3px 10px; border-radius: 999px; font-size: 13px; }

/* ---------- Careers ---------- */
.roles { max-width: 780px; margin: 0 auto; padding: 24px 0 96px; }
.roles ol { list-style: none; padding: 0; margin: 0; }
.roles li {
  display: flex; align-items: center; justify-content: space-between;
  gap: 20px; padding: 22px 4px; border-top: 1px solid var(--line);
}
.roles li:first-child { border-top: none; }
.roles h3 { margin: 0 0 4px; font-size: 17px; font-weight: 600; letter-spacing: -0.01em; }
.roles span { color: var(--ink-mute); font-size: 14px; }

/* ---------- Blog ---------- */
.blog { max-width: 780px; margin: 0 auto; padding: 24px 0 96px; }
.blog ol { list-style: none; padding: 0; margin: 0; }
.blog li { padding: 20px 0; border-top: 1px solid var(--line); }
.blog li:first-child { border-top: none; }
.blog time { color: var(--ink-mute); font-size: 13px; font-family: "SF Mono", Menlo, monospace; }
.blog h3 { margin: 6px 0 4px; font-size: 19px; font-weight: 600; letter-spacing: -0.01em; }
.blog h3 a { color: var(--ink); }
.blog span { color: var(--ink-mute); font-size: 13.5px; }

/* ---------- Code block ---------- */
.code-block {
  max-width: 780px; margin: 0 auto 32px; padding: 0 0 16px;
}
.code-block pre {
  background: #1a1a1a; color: #e6e2d7; padding: 24px 28px;
  border-radius: var(--radius-lg); overflow-x: auto;
  font: 13.5px/1.6 "SF Mono", Menlo, monospace;
}
.code-block code { background: none; color: inherit; padding: 0; }

/* ---------- Video frame ---------- */
.video-frame { max-width: 900px; margin: 0 auto 24px; padding: 0 0 16px; }
.video-frame-inner {
  aspect-ratio: 16 / 9; background: #2a2a2a; color: #e6e2d7;
  border-radius: var(--radius-lg); display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 14px;
}
.video-frame-inner span {
  font-size: 44px; width: 84px; height: 84px; display: grid; place-items: center;
  background: rgba(255,255,255,.1); border-radius: 50%;
}

/* ---------- Legal ---------- */
.legal { max-width: 760px; margin: 0 auto; padding: 0 0 96px; color: var(--ink-soft); font-size: 15.5px; line-height: 1.6; }
.legal code { background: var(--accent-soft); color: var(--accent); padding: 2px 6px; border-radius: 4px; font-size: 13.5px; }

.muted { color: var(--ink-mute); font-size: 14.5px; }

@media (max-width: 820px) {
  .nav-links { display: none; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: 1fr; }
  .features .grid { grid-template-columns: 1fr; }
  .foot-cols { grid-template-columns: repeat(2, 1fr); }
  .hero { padding: 56px 0 40px; }
  .pricing .grid { grid-template-columns: 1fr; }
  .docs-grid .grid { grid-template-columns: 1fr; }
  .archetypes { grid-template-columns: 1fr; }
  .changelog-item { grid-template-columns: 1fr; gap: 4px; }
  .roles li { flex-direction: column; align-items: flex-start; }
}