/* Perch — "Horizon" marketing site
   Light, precise body; a twilight-ink hero. Mirrors the app's design tokens. */

:root {
  --bg: #f4f7fc;
  --surface: #ffffff;
  --surface-2: #eef2f9;
  --text: #0b1020;
  --muted: #5a6478;
  --accent: #00b39a;
  --accent-deep: #0e8e7c;
  --highlight: #ffb54a;
  --danger: #e5484d;
  --border: #e2e8f2;
  --ink: #0b1020;
  --ink-2: #121a30;
  --ink-line: #25304d;
  --on-ink: #f3f6fc;
  --on-ink-muted: #9aa6c4;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent-deep); }
img, svg { display: block; }

.wrap { max-width: 1040px; margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 720px; margin: 0 auto; padding: 48px 24px; }

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 20;
  background: rgba(244, 247, 252, 0.82);
  backdrop-filter: saturate(160%) blur(12px);
  -webkit-backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-in { display: flex; align-items: center; gap: 16px; height: 62px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); font-weight: 800; letter-spacing: -0.3px; font-size: 18px; }
.brand .mark { width: 30px; height: 30px; border-radius: 9px; }
.nav-links { margin-left: auto; display: flex; align-items: center; gap: 22px; }
.nav-links a { color: var(--muted); text-decoration: none; font-weight: 600; font-size: 14.5px; }
.nav-links a:hover { color: var(--text); }
.nav-cta {
  padding: 9px 16px; border-radius: 999px; font-size: 14px; font-weight: 700;
  background: linear-gradient(135deg, var(--accent-deep), var(--accent));
  color: #fff !important;
}
@media (max-width: 620px) { .nav-links .hide-sm { display: none; } }

/* ---------- Hero (twilight ink) ---------- */
.hero {
  background:
    radial-gradient(1200px 540px at 78% -10%, rgba(47, 224, 199, 0.18), transparent 60%),
    radial-gradient(900px 480px at 12% 8%, rgba(0, 179, 154, 0.12), transparent 55%),
    var(--ink);
  color: var(--on-ink);
  border-bottom: 1px solid var(--ink-line);
  overflow: hidden;
}
.hero-in {
  display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 40px; align-items: center;
  padding: 80px 0 88px;
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12.5px; font-weight: 700; letter-spacing: 0.4px; text-transform: uppercase;
  color: var(--accent); background: rgba(47, 224, 199, 0.1);
  border: 1px solid rgba(47, 224, 199, 0.28);
  padding: 6px 12px; border-radius: 999px; margin-bottom: 20px;
}
.eyebrow .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px rgba(47,224,199,0.18); }
.hero h1 { font-size: 50px; line-height: 1.04; letter-spacing: -1.4px; margin: 0 0 18px; font-weight: 850; }
.hero h1 .grad { background: linear-gradient(120deg, #2fe0c7, #00b39a 60%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero .lede { font-size: 19px; line-height: 1.55; color: #c7d0e6; margin: 0 0 28px; max-width: 30em; }
.hero-cta { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.appstore {
  display: inline-flex; align-items: center; gap: 11px;
  background: #fff; color: #0b1020; text-decoration: none;
  padding: 12px 20px 12px 16px; border-radius: 14px; font-weight: 700;
}
.appstore small { display: block; font-size: 11px; font-weight: 600; color: #5a6478; letter-spacing: 0.3px; }
.appstore .big { font-size: 17px; line-height: 1.1; }
.hero-note { color: var(--on-ink-muted); font-size: 13.5px; }

/* hero gauge card */
.gauge-card {
  background: linear-gradient(180deg, rgba(18,26,48,0.9), rgba(11,16,32,0.9));
  border: 1px solid var(--ink-line); border-radius: 24px; padding: 26px;
  box-shadow: 0 30px 80px -40px rgba(0,0,0,0.8);
}
.gauge-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.gauge-top .zone { font-size: 12px; font-weight: 800; letter-spacing: 0.4px; text-transform: uppercase; color: var(--accent); }
.gauge-top .area { font-size: 12.5px; color: var(--on-ink-muted); font-weight: 600; }
.gauge-wrap { display: grid; place-items: center; position: relative; padding: 6px 0 10px; }
.gauge-center { position: absolute; text-align: center; }
.gauge-center .num { font-size: 46px; font-weight: 850; letter-spacing: -1px; line-height: 1; }
.gauge-center .of { font-size: 13px; color: var(--on-ink-muted); margin-top: 4px; font-weight: 600; }
.gauge-meta { display: flex; justify-content: space-between; border-top: 1px solid var(--ink-line); padding-top: 14px; margin-top: 6px; }
.gauge-meta div { text-align: center; flex: 1; }
.gauge-meta .k { font-size: 11px; color: var(--on-ink-muted); text-transform: uppercase; letter-spacing: 0.4px; font-weight: 700; }
.gauge-meta .v { font-size: 15px; font-weight: 800; margin-top: 3px; }
.gauge-meta .v.ok { color: var(--accent); }

@media (max-width: 860px) {
  .hero-in { grid-template-columns: 1fr; gap: 36px; padding: 56px 0 64px; }
  .hero h1 { font-size: 40px; }
  .gauge-card { max-width: 360px; }
}

/* ---------- Section scaffolding ---------- */
section { padding: 76px 0; }
.section-head { max-width: 640px; margin: 0 auto 44px; text-align: center; }
.section-head .kicker { color: var(--accent-deep); font-weight: 800; font-size: 13px; letter-spacing: 0.6px; text-transform: uppercase; }
.section-head h2 { font-size: 34px; letter-spacing: -0.8px; margin: 10px 0 12px; }
.section-head p { color: var(--muted); font-size: 17px; margin: 0; }

/* EES band */
.band { background: var(--ink); color: var(--on-ink); }
.band-in { display: flex; gap: 18px; align-items: flex-start; padding: 38px 0; }
.band .badge {
  flex: none; width: 46px; height: 46px; border-radius: 13px;
  background: rgba(229, 72, 77, 0.16); border: 1px solid rgba(229,72,77,0.4);
  display: grid; place-items: center; font-size: 22px;
}
.band h3 { margin: 2px 0 6px; font-size: 19px; letter-spacing: -0.3px; }
.band p { margin: 0; color: #c7d0e6; max-width: 70ch; }
.band .hl { color: #ff9aa0; font-weight: 700; }

/* features */
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 880px) { .grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .grid { grid-template-columns: 1fr; } }
.feature {
  background: var(--surface); border: 1px solid var(--border); border-radius: 18px;
  padding: 24px 22px; transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
}
.feature:hover { transform: translateY(-3px); box-shadow: 0 18px 40px -28px rgba(11,16,32,0.45); border-color: #cdd8ea; }
.feature .ico {
  width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center;
  background: linear-gradient(135deg, rgba(0,179,154,0.14), rgba(0,179,154,0.06));
  border: 1px solid rgba(0,179,154,0.22); margin-bottom: 16px;
}
.feature h3 { margin: 0 0 7px; font-size: 17.5px; letter-spacing: -0.2px; }
.feature p { margin: 0; color: var(--muted); font-size: 15px; }

/* pricing */
.tier-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; max-width: 760px; margin: 0 auto; }
@media (max-width: 640px) { .tier-wrap { grid-template-columns: 1fr; } }
.tier {
  background: var(--surface); border: 1px solid var(--border); border-radius: 22px; padding: 30px 28px;
  display: flex; flex-direction: column;
}
.tier.plus { background: var(--ink); color: var(--on-ink); border-color: var(--ink-line); position: relative; }
.tier .tname { font-size: 14px; font-weight: 800; letter-spacing: 0.5px; text-transform: uppercase; color: var(--muted); }
.tier.plus .tname { color: var(--accent); }
.tier .price { font-size: 38px; font-weight: 850; letter-spacing: -1px; margin: 10px 0 2px; }
.tier .price small { font-size: 16px; font-weight: 600; color: var(--muted); }
.tier.plus .price small { color: var(--on-ink-muted); }
.tier .sub { font-size: 13.5px; color: var(--muted); margin: 0 0 18px; }
.tier.plus .sub { color: var(--on-ink-muted); }
.tier ul { list-style: none; padding: 0; margin: 0 0 22px; }
.tier li { display: flex; gap: 10px; align-items: flex-start; padding: 7px 0; font-size: 15px; }
.tier li::before { content: "✓"; color: var(--accent); font-weight: 800; flex: none; }
.tier.plus li::before { color: var(--accent); }
.ribbon {
  position: absolute; top: 18px; right: 18px; font-size: 11px; font-weight: 800; letter-spacing: 0.5px;
  text-transform: uppercase; color: #0b1020; background: var(--highlight);
  padding: 5px 11px; border-radius: 999px;
}
.tier .tbtn { margin-top: auto; text-align: center; padding: 12px; border-radius: 12px; font-weight: 700; text-decoration: none; }
.tier .tbtn.ghost { background: var(--surface-2); color: var(--text); }
.tier.plus .tbtn { background: linear-gradient(135deg, var(--accent-deep), var(--accent)); color: #fff; }

/* privacy strip */
.privacy-strip { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.privacy-in { display: flex; gap: 16px; align-items: center; padding: 30px 0; justify-content: center; text-align: center; flex-wrap: wrap; }
.privacy-in .lock { font-size: 22px; }
.privacy-in p { margin: 0; color: var(--muted); max-width: 60ch; }
.privacy-in strong { color: var(--text); }

/* ---------- Footer ---------- */
footer.site {
  background: var(--ink); color: var(--on-ink-muted); padding: 44px 0 40px; border-top: 1px solid var(--ink-line);
}
footer.site .f-in { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; align-items: center; }
footer.site .f-brand { display: flex; align-items: center; gap: 10px; color: var(--on-ink); font-weight: 800; }
footer.site .f-brand .mark { width: 26px; height: 26px; border-radius: 8px; }
footer.site nav a { color: var(--on-ink-muted); text-decoration: none; margin-left: 20px; font-size: 14px; font-weight: 600; }
footer.site nav a:hover { color: var(--on-ink); }
footer.site .copy { width: 100%; margin-top: 22px; padding-top: 20px; border-top: 1px solid var(--ink-line); font-size: 13px; }

/* ---------- Legal / support pages ---------- */
.doc header.doc-head { display: flex; align-items: center; gap: 12px; margin-bottom: 30px; }
.doc .logo { width: 40px; height: 40px; border-radius: 12px; }
.doc .crumb { color: var(--muted); font-size: 13px; }
.doc .crumb a { color: var(--accent-deep); text-decoration: none; font-weight: 600; }
.doc h1 { font-size: 32px; letter-spacing: -0.6px; margin: 6px 0 6px; }
.doc .meta { color: var(--muted); font-size: 13.5px; margin: 0 0 6px; }
.doc h2 { font-size: 20px; letter-spacing: -0.2px; margin: 32px 0 12px; }
.doc h3 { font-size: 16px; margin: 20px 0 6px; }
.doc p, .doc li { color: var(--text); }
.doc p { margin: 0 0 14px; }
.doc ul, .doc ol { padding-left: 20px; margin: 0 0 14px; }
.doc li { margin-bottom: 6px; }
.doc .card { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 20px 22px; margin: 0 0 20px; }
.doc .card h3 { margin-top: 0; }
.doc .toc { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 16px 20px; margin: 0 0 26px; }
.doc .toc strong { font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; color: var(--muted); }
.doc .toc ol { margin: 8px 0 0; }
.doc .cta { display: inline-block; padding: 13px 22px; background: linear-gradient(135deg, var(--accent-deep), var(--accent)); color: #fff; border-radius: 999px; text-decoration: none; font-weight: 700; }
.doc .faq summary { font-weight: 700; cursor: pointer; padding: 14px 0; border-bottom: 1px solid var(--border); list-style: none; }
.doc .faq summary::-webkit-details-marker { display: none; }
.doc .faq summary::before { content: "+ "; color: var(--accent-deep); font-weight: 800; }
.doc .faq[open] summary::before { content: "– "; }
.doc .faq[open] summary { color: var(--accent-deep); }
.doc .faq p { padding: 10px 0 18px; color: var(--muted); }
.doc footer.doc-foot { margin-top: 52px; padding-top: 24px; border-top: 1px solid var(--border); color: var(--muted); font-size: 13px; }
.doc footer.doc-foot a { color: var(--accent-deep); }