/* ==========================================================================
   Company OS — Design System (site público)
   Tokens herdados do app (app/static/css/app.css): cobalt #1D4ED8 + laranja #F97316 + Inter.
   Mantém coerência de marca entre a landing pública e o produto (W3 deploy).
   ========================================================================== */

:root {
  /* Marca */
  --brand-050: #EFF4FE;
  --brand-100: #DBE7FD;
  --brand-500: #1D4ED8;
  --brand-600: #1E40AF;
  --brand-700: #1E3A8A;
  --brand-950: #172554;

  /* CTA / acento */
  --cta-500: #F97316;
  --cta-600: #EA580C;

  /* Neutros */
  --ink: #0F172A;
  --text-2: #475569;
  --text-3: #64748B;
  --border: #E2E8F0;
  --border-soft: #EEF2F7;
  --bg: #FFFFFF;
  --bg-soft: #F8FAFC;

  /* Estados */
  --success: #10B981;

  /* Superfícies escuras */
  --hero-grad: linear-gradient(135deg, #0B1437 0%, #172554 55%, #1E3A8A 100%);

  /* Forma */
  --radius: 16px;
  --radius-sm: 10px;
  --radius-pill: 999px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, .06), 0 1px 3px rgba(15, 23, 42, .07);
  --shadow-md: 0 8px 28px rgba(15, 23, 42, .09);
  --shadow-brand: 0 10px 30px rgba(29, 78, 216, .28);

  --maxw: 1080px;
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 84px; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3 { line-height: 1.15; letter-spacing: -0.02em; margin: 0 0 .5em; font-weight: 700; }
h1 { font-size: clamp(2.1rem, 5vw, 3.3rem); font-weight: 800; }
h2 { font-size: clamp(1.6rem, 3.4vw, 2.25rem); }
h3 { font-size: 1.18rem; }
p { margin: 0 0 1rem; }

a { color: var(--brand-600); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.eyebrow {
  display: inline-block; font-size: .8rem; font-weight: 700; letter-spacing: .09em;
  text-transform: uppercase; color: var(--brand-600); margin-bottom: .9rem;
}
.muted { color: var(--text-2); }
.center { text-align: center; }

/* Skip-link (WCAG 2.4.1 Bypass Blocks) — oculto até receber foco por teclado */
.skip-link {
  position: fixed; top: -100%; left: 12px; z-index: 100;
  background: var(--brand-500); color: #FFFFFF; font-weight: 600;
  padding: 12px 18px; border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  text-decoration: none; box-shadow: var(--shadow-md);
}
.skip-link:focus { top: 0; text-decoration: none; outline: 3px solid var(--cta-500); outline-offset: 2px; }
#main-content:focus { outline: none; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 40;
  background: rgba(255, 255, 255, .82);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--border-soft);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand-lockup { display: flex; align-items: center; gap: 10px; }
.brand-lockup img { height: 30px; width: auto; display: block; }
.brand-lockup .name { font-weight: 700; font-size: 1.12rem; letter-spacing: -0.02em; color: var(--ink); }
.brand-lockup .name .os { color: var(--brand-500); }
.nav { display: flex; align-items: center; gap: 26px; }
.nav a { color: var(--text-2); font-weight: 500; font-size: .96rem; }
.nav a:hover { color: var(--ink); text-decoration: none; }

/* ---------- Botões ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font); font-weight: 600; font-size: 1rem;
  padding: 12px 22px; border-radius: var(--radius-pill); border: 1px solid transparent;
  cursor: pointer; transition: transform .16s ease, box-shadow .16s ease, background .16s ease;
  text-decoration: none;
}
.btn:hover { text-decoration: none; }
/* Texto ESCURO sobre laranja — WCAG AA (branco sobre #F97316 = ~2.8:1, reprova; ink = ~5.9:1) */
.btn-primary { background: var(--cta-500); color: #0F172A; box-shadow: 0 8px 22px rgba(249, 115, 22, .28); }
.btn-primary:hover { background: var(--cta-600); transform: translateY(-1px); box-shadow: 0 12px 28px rgba(249, 115, 22, .34); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--border); }
.btn-ghost:hover { border-color: var(--brand-500); color: var(--brand-600); transform: translateY(-1px); }
.btn-onDark { background: rgba(255, 255, 255, .10); color: #FFFFFF; border-color: rgba(255, 255, 255, .28); }
.btn-onDark:hover { background: rgba(255, 255, 255, .18); transform: translateY(-1px); }

/* ---------- Hero ---------- */
.hero {
  background: var(--hero-grad); color: #FFFFFF; position: relative; overflow: hidden;
  padding: 92px 0 100px;
}
.hero::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(600px 300px at 78% 8%, rgba(249, 115, 22, .18), transparent 60%);
  pointer-events: none;
}
.hero .wrap { position: relative; z-index: 1; max-width: 900px; }
.hero .eyebrow { color: #93B4FF; }
.hero h1 { color: #FFFFFF; max-width: 18ch; }
.hero .lead { font-size: clamp(1.05rem, 2.1vw, 1.32rem); color: #C7D2FE; max-width: 60ch; margin: 1.1rem 0 2rem; }
.hero .cta-group { display: flex; flex-wrap: wrap; gap: 14px; }
.hero .fineprint { margin-top: 1.4rem; font-size: .9rem; color: #93A4CC; }

/* ---------- Seções ---------- */
section { padding: 84px 0; }
.section-head { max-width: 720px; margin: 0 auto 52px; text-align: center; }
.section-head .lead { font-size: 1.12rem; color: var(--text-2); }

.soft { background: var(--bg-soft); border-top: 1px solid var(--border-soft); border-bottom: 1px solid var(--border-soft); }

/* ---------- Grid de features ---------- */
.grid { display: grid; gap: 22px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px; box-shadow: var(--shadow-sm);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: var(--brand-100); }
.card .ico {
  width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center;
  background: var(--brand-050); color: var(--brand-600); margin-bottom: 16px;
}
.card .ico svg { width: 24px; height: 24px; }
.card h3 { margin-bottom: .4rem; }
.card p { color: var(--text-2); font-size: .98rem; margin: 0; }

/* ---------- Faixa de uso de dados (trust) ---------- */
.databand {
  background: var(--brand-950); color: #E2E8F0; border-radius: var(--radius);
  padding: 44px; box-shadow: var(--shadow-md);
}
.databand h2 { color: #FFFFFF; }
.databand ul { list-style: none; padding: 0; margin: 1.2rem 0 0; display: grid; gap: 14px; }
.databand li { display: flex; gap: 12px; align-items: flex-start; color: #C7D2FE; }
.databand li svg { flex: 0 0 auto; width: 22px; height: 22px; color: var(--success); margin-top: 2px; }
.databand a { color: #93B4FF; font-weight: 600; }

/* ---------- CTA final ---------- */
.cta-final { text-align: center; }
.cta-final h2 { max-width: 20ch; margin-inline: auto; }
.cta-final .lead { max-width: 52ch; margin: 0 auto 2rem; color: var(--text-2); font-size: 1.1rem; }

/* ---------- Footer ---------- */
.site-footer { background: #0B1437; color: #93A4CC; padding: 56px 0 40px; }
.site-footer .top { display: flex; flex-wrap: wrap; gap: 32px; justify-content: space-between; align-items: flex-start; }
.site-footer .brand-lockup img { height: 30px; }
.site-footer .flinks { display: flex; gap: 28px; flex-wrap: wrap; }
.site-footer .flinks a { color: #C7D2FE; font-weight: 500; font-size: .95rem; }
.site-footer .flinks a:hover { color: #FFFFFF; text-decoration: none; }
.site-footer .legal {
  margin-top: 36px; padding-top: 24px; border-top: 1px solid rgba(255, 255, 255, .10);
  font-size: .86rem; line-height: 1.7; color: #7E8FB8;
}
.site-footer .legal strong { color: #C7D2FE; font-weight: 600; }

/* ---------- Página legal (privacy) ---------- */
.legal-page { padding: 64px 0 88px; }
.legal-page .wrap { max-width: 760px; }
.legal-page h1 { font-size: clamp(1.9rem, 4vw, 2.6rem); }
.legal-page .doc-meta { color: var(--text-2); font-size: .96rem; margin-bottom: 8px; }
.legal-page h2 { font-size: 1.3rem; margin-top: 2.4rem; padding-top: 1.4rem; border-top: 1px solid var(--border-soft); }
.legal-page h2:first-of-type { border-top: none; }
.legal-page p, .legal-page li { color: var(--text-2); font-size: 1.02rem; }
.legal-page ul { padding-left: 1.2rem; }
.legal-page li { margin-bottom: .5rem; }
.callout {
  background: var(--brand-050); border: 1px solid var(--brand-100); border-radius: var(--radius-sm);
  padding: 18px 20px; margin: 24px 0; color: var(--ink); font-size: .96rem;
}
.callout strong { color: var(--brand-700); }

/* ---------- Responsivo ---------- */
@media (max-width: 860px) {
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .nav { gap: 16px; }
  .nav .nav-hide { display: none; }
  section { padding: 60px 0; }
  .hero { padding: 68px 0 74px; }
  .databand { padding: 30px; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; scroll-behavior: auto !important; }
}