/* Keepsight landing — local only, no analytics, no third-party scripts. */
:root {
  --bg: #12110f;
  --bg-elev: #1b1916;
  --bg-soft: #221f1b;
  --ink: #f3efe6;
  --muted: #b4aa9a;
  --faint: #8a8174;
  --line: #322e28;
  --amber: #e8b45a;
  --amber-ink: #1d1608;
  --sage: #8fbfa8;
  --coral: #e07a5f;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.38);
  --serif: "Instrument Serif", "Iowan Old Style", "Palatino Linotype", Palatino, serif;
  --sans: "IBM Plex Sans", "Source Sans 3", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace;
  --wrap: 1120px;
  --radius: 16px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--amber); text-underline-offset: 3px; }
a:hover { color: #f3c87a; }
img { max-width: 100%; }
.skip {
  position: absolute; left: -999px; top: 0;
  background: var(--amber); color: var(--amber-ink); padding: 0.5rem 1rem;
}
.skip:focus { left: 0.5rem; top: 0.5rem; z-index: 20; }
.banner {
  background: #2a2216;
  color: #f0d7a4;
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  text-align: center;
  padding: 0.55rem 1rem;
  border-bottom: 1px solid #3d3220;
}
.banner strong { font-weight: 600; color: #fff4d8; }
.wrap { width: min(var(--wrap), calc(100% - 2.5rem)); margin: 0 auto; }
header.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.1rem 0; gap: 1rem;
}
.brand { display: flex; align-items: center; gap: 0.7rem; color: inherit; text-decoration: none; }
.brand-mark {
  width: 32px; height: 32px; border-radius: 50%;
  border: 1.5px solid var(--amber);
  display: grid; place-items: center;
  position: relative;
}
.brand-mark::after {
  content: "";
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 0 4px rgba(232, 180, 90, 0.18);
}
.brand-name { font-family: var(--serif); font-size: 1.5rem; letter-spacing: -0.02em; }
.brand-sub { display: block; font-family: var(--sans); font-size: 0.68rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--faint); }
nav.links { display: flex; gap: 1.35rem; align-items: center; flex-wrap: wrap; }
nav.links a { color: var(--muted); text-decoration: none; font-size: 0.92rem; }
nav.links a:hover, nav.links a:focus { color: var(--ink); }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  border: 0; cursor: pointer; text-decoration: none;
  font-family: inherit; font-weight: 550; font-size: 0.95rem;
  border-radius: 999px; padding: 0.72rem 1.2rem;
  transition: transform 0.12s ease, background 0.12s ease, color 0.12s ease;
}
.btn:focus-visible { outline: 2px solid var(--amber); outline-offset: 3px; }
.btn-amber { background: var(--amber); color: var(--amber-ink); }
.btn-amber:hover { background: #f3c87a; color: var(--amber-ink); }
.btn-ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.btn-ghost:hover { border-color: var(--muted); }
.btn-ink { background: var(--ink); color: var(--bg); }
.btn[aria-pressed="true"] { box-shadow: 0 0 0 2px var(--bg), 0 0 0 4px var(--amber); }
.btn:disabled { opacity: 0.55; cursor: not-allowed; }
.hero { padding: 2.4rem 0 3.8rem; display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 3rem; align-items: center; }
.eyebrow {
  font-size: 0.75rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--amber); font-weight: 550; margin: 0 0 1rem;
}
h1 {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(2.4rem, 4.6vw, 4.15rem);
  line-height: 1.08; letter-spacing: -0.03em;
  margin: 0 0 1.15rem;
}
.lede { font-size: 1.125rem; color: var(--muted); max-width: 36rem; margin: 0 0 1.75rem; }
.hero-actions { display: flex; gap: 0.8rem; flex-wrap: wrap; margin-bottom: 1.25rem; }
.fine { font-size: 0.85rem; color: var(--faint); margin: 0; }
.mock {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
  overflow: hidden;
  position: relative;
}
.mock-stamp {
  position: absolute; top: 14px; right: 14px; z-index: 2;
  font-size: 0.65rem; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--amber-ink); background: var(--amber); padding: 0.22rem 0.45rem;
  border-radius: 4px; font-weight: 600;
}
.mock-chrome { display: flex; align-items: center; gap: 0.45rem; padding: 0.7rem 0.9rem; border-bottom: 1px solid var(--line); }
.mock-dot { width: 8px; height: 8px; border-radius: 50%; background: #3d3933; }
.mock-url { margin-left: 0.5rem; font-family: var(--mono); font-size: 0.7rem; color: var(--faint); }
.mock-body { padding: 1.05rem 1.1rem 1.2rem; }
.mock-row { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 0.55rem; }
.mock-k { font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--faint); }
.mock-item {
  background: var(--bg-soft); border: 1px solid var(--line); border-radius: 10px;
  padding: 0.8rem 0.9rem; margin-bottom: 0.65rem;
}
.mock-item h3 { margin: 0 0 0.25rem; font-size: 0.92rem; font-weight: 550; }
.mock-item p { margin: 0; font-size: 0.82rem; color: var(--muted); font-family: var(--mono); }
.mock-diff { color: var(--ink); }
.mock-diff del { color: var(--coral); text-decoration: line-through; margin-right: 0.4rem; }
.mock-diff ins { color: var(--sage); text-decoration: none; background: rgba(143,191,168,0.12); padding: 0 0.2rem; }
.pill { display: inline-block; font-size: 0.7rem; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; padding: 0.15rem 0.45rem; border-radius: 999px; }
.pill-warn { background: rgba(232,180,90,0.16); color: var(--amber); }
.pill-ok { background: rgba(143,191,168,0.14); color: var(--sage); }
.pill-fail { background: rgba(224,122,95,0.16); color: var(--coral); }
.mock-caption { font-size: 0.78rem; color: var(--faint); margin: 0.6rem 0 0; text-align: center; }
section { padding: 3.4rem 0; }
section.alt { background: #161411; border-block: 1px solid var(--line); }
h2 { font-family: var(--serif); font-weight: 400; font-size: clamp(1.8rem, 3vw, 2.5rem); letter-spacing: -0.02em; margin: 0 0 0.6rem; line-height: 1.15; }
.section-lead { color: var(--muted); max-width: 40rem; margin: 0 0 2rem; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 1.1rem; }
.card {
  background: var(--bg-elev); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.3rem 1.35rem;
}
.card h3 { margin: 0 0 0.45rem; font-size: 1.05rem; font-weight: 600; }
.card p { margin: 0; color: var(--muted); }
.card cite { display: block; margin-top: 0.8rem; font-style: normal; font-size: 0.78rem; color: var(--faint); }
.step-n { font-family: var(--serif); font-size: 1.8rem; color: var(--amber); display: block; margin-bottom: 0.35rem; }
.pricing { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; align-items: stretch; }
.plan {
  background: var(--bg-elev); border: 1px solid var(--line); border-radius: 20px;
  padding: 1.6rem 1.55rem 1.4rem; display: flex; flex-direction: column;
}
.plan.is-selected { border-color: var(--amber); box-shadow: 0 0 0 1px var(--amber); }
.plan-name { font-size: 0.8rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--amber); margin: 0 0 0.4rem; }
.plan-price { font-family: var(--serif); font-size: 3rem; letter-spacing: -0.03em; margin: 0; line-height: 1; }
.plan-price span { font-family: var(--sans); font-size: 1rem; color: var(--muted); }
.plan ul { margin: 1.1rem 0 1.4rem; padding: 0 0 0 1.1rem; color: var(--muted); flex: 1; }
.plan li { margin: 0.35rem 0; }
.form-panel {
  background: var(--bg-elev); border: 1px solid var(--line); border-radius: 20px;
  padding: 1.7rem 1.6rem; margin-top: 2rem;
}
label { display: block; font-weight: 550; font-size: 0.92rem; margin: 0 0 0.35rem; }
.field { margin-bottom: 1rem; }
input[type="email"], input[type="text"], textarea, select {
  width: 100%; background: #12110f; color: var(--ink);
  border: 1px solid var(--line); border-radius: 10px;
  padding: 0.7rem 0.8rem; font-family: inherit; font-size: 1rem;
}
textarea { min-height: 6rem; resize: vertical; }
input:focus, textarea:focus, select:focus { outline: 2px solid var(--amber); outline-offset: 1px; border-color: transparent; }
.form-actions { display: flex; flex-wrap: wrap; gap: 0.7rem; margin: 1rem 0 0.4rem; }
.chosen { min-height: 1.4rem; font-size: 0.88rem; color: var(--sage); margin: 0.3rem 0 0.8rem; }
.intent-row { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 0.8rem; }
.intent-row .btn { font-size: 0.85rem; padding: 0.5rem 0.9rem; }
.status { margin-top: 1rem; padding: 0.8rem 1rem; border-radius: 10px; font-size: 0.92rem; }
.status[data-kind="info"] { background: #1f2a28; color: #cfe7dc; }
.status[data-kind="ok"] { background: #1a2c22; color: var(--sage); }
.status[data-kind="warn"] { background: #2c1e18; color: #f0c2b4; }
.faq details {
  border-top: 1px solid var(--line); padding: 0.9rem 0;
}
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; font-weight: 550; color: var(--ink); }
.faq summary:focus-visible { outline: 2px solid var(--amber); }
.faq details p { margin: 0.6rem 0 0.2rem; color: var(--muted); }
footer.site {
  padding: 2.4rem 0 3rem; border-top: 1px solid var(--line);
  color: var(--faint); font-size: 0.85rem;
}
footer.site p { margin: 0 0 0.5rem; max-width: 46rem; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
@media (max-width: 880px) {
  .hero, .grid-2, .grid-3, .pricing { grid-template-columns: 1fr; }
  .hero { padding-top: 1.2rem; gap: 2rem; }
  nav.links { display: none; }
}