:root {
  --bg: #ffffff; --bg-subtle: #f8fafc; --border: #e2e8f0; --border-strong: #cbd5e1;
  --txt: #0f172a; --txt-2: #475569; --txt-3: #94a3b8;
  --accent: #4f46e5; --accent-hover: #4338ca; --accent-soft: #eef2ff;
  --green: #059669; --green-soft: #ecfdf5; --red: #dc2626; --red-soft: #fef2f2;
  --amber: #d97706; --amber-soft: #fffbeb;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
body { background: var(--bg); color: var(--txt); font-family: "Inter", -apple-system, "Segoe UI", sans-serif; font-size: 16px; line-height: 1.65; }
a { color: inherit; }
code, pre { font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace; }
.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }

/* header */
header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.88); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); }
.header-in { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 15px; letter-spacing: -.01em; text-decoration: none; }
nav.main { display: flex; gap: 26px; }
nav.main a { font-size: 14px; color: var(--txt-2); text-decoration: none; font-weight: 500; }
nav.main a:hover, nav.main a[aria-current="page"] { color: var(--txt); }
nav.main a[aria-current="page"] { font-weight: 600; }
.header-cta { display: inline-flex; align-items: center; height: 36px; padding: 0 16px; border-radius: 8px; background: var(--txt); color: #fff; font-size: 13.5px; font-weight: 600; text-decoration: none; }
.header-cta:hover { background: #1e293b; }
@media (max-width: 720px) { nav.main { display: none; } }

/* buttons */
.btn { display: inline-flex; align-items: center; height: 44px; padding: 0 22px; border-radius: 10px; font-size: 15px; font-weight: 600; text-decoration: none; transition: background .15s ease; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-secondary { border: 1px solid var(--border); color: var(--txt); }
.btn-secondary:hover { background: var(--bg-subtle); }

/* hero */
.hero { padding: 88px 0 72px; max-width: 760px; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 600; color: var(--accent); background: var(--accent-soft); border-radius: 999px; padding: 5px 14px; margin-bottom: 26px; }
.eyebrow::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }
h1 { font-size: clamp(34px, 5.2vw, 54px); line-height: 1.1; letter-spacing: -.03em; font-weight: 700; }
h1 .dim { color: var(--txt-3); }
.lede { margin-top: 22px; font-size: 18px; line-height: 1.65; color: var(--txt-2); max-width: 620px; }
.hero-actions { margin-top: 34px; display: flex; gap: 12px; flex-wrap: wrap; }

/* stats */
.stats { border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); background: var(--bg-subtle); }
.stats-in { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat { padding: 26px 24px; }
.stat + .stat { border-left: 1px solid var(--border); }
.stat .n { font-size: 22px; font-weight: 700; letter-spacing: -.02em; }
.stat .l { font-size: 13px; color: var(--txt-2); margin-top: 2px; }
@media (max-width: 720px) { .stats-in { grid-template-columns: 1fr 1fr; } .stat:nth-child(3) { border-left: none; } .stat:nth-child(n+3) { border-top: 1px solid var(--border); } }

/* sections */
section { padding: 80px 0; }
section + section { border-top: 1px solid var(--border); }
.section-head { max-width: 660px; margin-bottom: 44px; }
.kicker { font-size: 13px; font-weight: 600; color: var(--txt-3); text-transform: uppercase; letter-spacing: .08em; margin-bottom: 12px; }
h2 { font-size: clamp(25px, 3.2vw, 32px); letter-spacing: -.02em; line-height: 1.18; font-weight: 700; }
.section-head p { margin-top: 13px; color: var(--txt-2); font-size: 16.5px; }

/* product cards */
.prod-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 16px; }
.prod { display: block; border: 1px solid var(--border); border-radius: 12px; padding: 20px 22px; text-decoration: none; transition: border-color .15s ease, box-shadow .15s ease; background: var(--bg); }
.prod:hover { border-color: #c7d2fe; box-shadow: 0 4px 16px rgba(79,70,229,.08); }
.prod .row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.prod h4 { font-size: 15.5px; font-weight: 600; letter-spacing: -.01em; }
.prod .lang { font-size: 11.5px; font-weight: 600; color: var(--txt-3); border: 1px solid var(--border); border-radius: 5px; padding: 2px 8px; white-space: nowrap; }
.prod p { margin-top: 8px; font-size: 14px; line-height: 1.6; color: var(--txt-2); }
.group-title { font-size: 13.5px; font-weight: 600; color: var(--txt-3); text-transform: uppercase; letter-spacing: .07em; margin: 34px 0 14px; }
.group-title:first-child { margin-top: 0; }

/* install / code blocks */
.cmd { display: flex; align-items: center; justify-content: space-between; gap: 14px; background: #0f172a; color: #e2e8f0; border-radius: 10px; padding: 13px 16px; font-size: 13.5px; margin: 10px 0; }
.cmd code { white-space: nowrap; overflow-x: auto; }
.cmd .cp { flex: none; font-size: 11px; font-weight: 600; letter-spacing: .05em; color: #94a3b8; background: #1e293b; border: 1px solid #334155; border-radius: 6px; padding: 4px 10px; cursor: pointer; }
.cmd .cp:hover { color: #e2e8f0; }
pre.block { background: #0f172a; color: #e2e8f0; border-radius: 10px; padding: 16px 18px; font-size: 13px; line-height: 1.75; overflow-x: auto; margin: 12px 0; }
.badge { display: inline-block; font-size: 11px; font-weight: 700; letter-spacing: .04em; border-radius: 6px; padding: 3px 8px; vertical-align: middle; }
.badge.ok { background: var(--green-soft); color: var(--green); }
.badge.warn { background: var(--amber-soft); color: var(--amber); }
.badge.crit { background: var(--red-soft); color: var(--red); }
.badge.info { background: var(--accent-soft); color: var(--accent); }

/* docs layout */
.docs { display: grid; grid-template-columns: 220px 1fr; gap: 56px; padding: 64px 0; }
.docs-toc { position: sticky; top: 96px; align-self: start; font-size: 13.5px; }
.docs-toc .t { font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: .07em; color: var(--txt-3); margin-bottom: 12px; }
.docs-toc a { display: block; color: var(--txt-2); text-decoration: none; padding: 5px 0; border-left: 2px solid transparent; padding-left: 12px; margin-left: -14px; }
.docs-toc a:hover { color: var(--txt); }
.docs-body h2 { font-size: 24px; margin: 44px 0 14px; }
.docs-body h2:first-child { margin-top: 0; }
.docs-body h3 { font-size: 17px; font-weight: 600; margin: 28px 0 10px; }
.docs-body p { color: var(--txt-2); margin: 10px 0; font-size: 15px; }
.docs-body ul { margin: 10px 0 10px 20px; color: var(--txt-2); font-size: 15px; }
.docs-body li { margin: 5px 0; }
.docs-body code.inline { background: var(--bg-subtle); border: 1px solid var(--border); border-radius: 5px; padding: 1px 6px; font-size: 13px; color: var(--txt); }
@media (max-width: 820px) { .docs { grid-template-columns: 1fr; } .docs-toc { display: none; } }

/* tables (security policy) */
table.policy { width: 100%; border-collapse: collapse; font-size: 14px; margin: 16px 0; }
table.policy th { text-align: left; font-size: 12.5px; text-transform: uppercase; letter-spacing: .05em; color: var(--txt-3); font-weight: 600; padding: 10px 14px; border-bottom: 2px solid var(--border); }
table.policy td { padding: 12px 14px; border-bottom: 1px solid var(--border); color: var(--txt-2); }
table.policy td:first-child { color: var(--txt); font-weight: 500; }
.table-wrap { overflow-x: auto; }

/* timeline (company) */
.tl { margin: 18px 0; }
.tl-item { display: grid; grid-template-columns: 92px 1fr; gap: 20px; padding: 14px 0; border-bottom: 1px solid var(--border); font-size: 14.5px; }
.tl-item .d { color: var(--txt-3); font-size: 13px; font-weight: 600; padding-top: 2px; }
.tl-item .w b { color: var(--txt); }
.tl-item .w span { color: var(--txt-2); }

/* team cards */
.team-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; }
.member { border: 1px solid var(--border); border-radius: 12px; padding: 22px; }
.member .who { font-weight: 600; font-size: 15.5px; }
.member .role { color: var(--accent); font-size: 13px; font-weight: 600; margin-top: 2px; }
.member p { color: var(--txt-2); font-size: 14px; margin-top: 10px; }
.member a.gh { display: inline-block; margin-top: 12px; font-size: 13px; color: var(--txt-2); text-decoration: none; border: 1px solid var(--border); border-radius: 7px; padding: 5px 12px; }
.member a.gh:hover { color: var(--txt); }

/* footer */
footer { border-top: 1px solid var(--border); padding: 40px 0 46px; background: var(--bg-subtle); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; }
.footer-grid h5 { font-size: 12.5px; text-transform: uppercase; letter-spacing: .07em; color: var(--txt-3); margin-bottom: 12px; }
.footer-grid a { display: block; font-size: 14px; color: var(--txt-2); text-decoration: none; padding: 3px 0; }
.footer-grid a:hover { color: var(--txt); }
.footer-grid .about { font-size: 14px; color: var(--txt-2); max-width: 300px; }
.f-fine { margin-top: 34px; padding-top: 18px; border-top: 1px solid var(--border); font-size: 12.5px; color: var(--txt-3); display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
@media (max-width: 820px) { .footer-grid { grid-template-columns: 1fr 1fr; } }

/* ── responsive hardening (uniform across all pages) ── */
.prod-grid { grid-template-columns: repeat(auto-fill, minmax(min(320px, 100%), 1fr)); }
.team-grid { grid-template-columns: repeat(auto-fill, minmax(min(280px, 100%), 1fr)); }
[id] { scroll-margin-top: 84px; } /* sticky header never covers anchors */
img, svg { max-width: 100%; height: auto; }
@media (max-width: 720px) {
  .header-in { height: auto; flex-wrap: wrap; padding: 10px 0; row-gap: 6px; }
  nav.main { display: flex !important; width: 100%; order: 3; gap: 18px; overflow-x: auto; -webkit-overflow-scrolling: touch; }
  nav.main a { white-space: nowrap; font-size: 13.5px; padding: 6px 0; }
  .hero { padding: 54px 0 46px; }
  section { padding: 52px 0; }
  .tl-item { grid-template-columns: 1fr; gap: 4px; }
  .cmd { flex-wrap: wrap; }
  .cmd code { white-space: normal; word-break: break-all; overflow-x: visible; }
}
@media (max-width: 420px) {
  .container { padding: 0 18px; }
  h1 { font-size: clamp(27px, 8.4vw, 34px); }
  .stats-in { grid-template-columns: 1fr; }
  .stat { padding: 18px 20px; }
  .stat + .stat { border-left: none; border-top: 1px solid var(--border); }
  .header-cta { height: 34px; padding: 0 14px; font-size: 12.5px; }
  .footer-grid { grid-template-columns: 1fr; }
}