/* PCS 360 — landing page.
   Paleta tirada do próprio sistema (src/index.css do app): fundo claro
   azulado, painéis ink para contraste e azul como cor de ação. */

:root {
  --ink: #090b12;          /* sidebar e painéis escuros do app */
  --graphite: #161c24;
  --bg: #e6eaf1;           /* fundo claro do app, um tom acima */
  --bg-tint: #dde3ec;
  --surface: #f3f5f8;      /* card do app */
  --surface-strong: #ffffff;
  --blue: #2176ec;         /* primário do app */
  --blue-strong: #1265d0;
  --blue-soft: #d8e4f8;
  --mint: #37c288;
  --text: #0c1421;
  --text-soft: #5d6775;
  --text-faint: #8b949e;
  --border: #c7cfdb;
  --border-soft: #d8dee8;
  --radius: 16px;
  --container: 1160px;
  --shadow: 0 1px 2px rgba(12, 20, 33, 0.06), 0 18px 44px -28px rgba(12, 20, 33, 0.45);
  --shadow-lift: 0 30px 70px -38px rgba(12, 20, 33, 0.55);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "DM Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.skip-link { position: absolute; left: -9999px; top: 0; background: var(--blue); color: #fff; padding: 12px 18px; z-index: 30; }
.skip-link:focus { left: 12px; top: 12px; }

/* ---------- topo ---------- */

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(230, 234, 241, 0.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-soft);
}

.topbar-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 70px; }

.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.brand img { height: 24px; width: auto; }
.brand-divider { width: 1px; height: 20px; background: var(--border); }
.brand-product { font-family: "DM Mono", ui-monospace, monospace; font-size: 0.78rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-soft); }

.topnav { display: flex; align-items: center; gap: 28px; font-size: 0.94rem; }
.topnav a { color: var(--text-soft); text-decoration: none; }
.topnav a:hover { color: var(--text); }
.topnav .btn { color: #fff; }

/* ---------- botões ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 13px 24px;
  font-size: 0.96rem;
  font-weight: 500;
  text-decoration: none;
  border: 1px solid transparent;
  transition: background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease, transform 0.18s ease;
  white-space: nowrap;
}

.btn-primary { background: var(--blue); color: #fff; box-shadow: 0 12px 26px -16px rgba(33, 118, 236, 0.9); }
.btn-primary:hover { background: var(--blue-strong); }

.btn-ghost { border-color: var(--border); color: var(--text); background: var(--surface-strong); }
.btn-ghost:hover { border-color: var(--blue); color: var(--blue-strong); }

.btn-outline { border-color: rgba(255, 255, 255, 0.34); color: #fff; }
.btn-outline:hover { border-color: #fff; }

.btn-small { padding: 9px 18px; font-size: 0.9rem; background: var(--blue); }
.btn-small:hover { background: var(--blue-strong); }

.btn-large { padding: 16px 30px; font-size: 1.02rem; }

/* ---------- prints do sistema ---------- */

.shot {
  margin: 0;
  border-radius: var(--radius);
  border: 1px solid var(--border-soft);
  background: var(--surface-strong);
  padding: 8px;
  box-shadow: var(--shadow-lift);
  overflow: hidden;
}

.shot img { border-radius: calc(var(--radius) - 7px); width: 100%; height: auto; }

.shot-wide { margin: 44px 0; }

/* ---------- hero ---------- */

.hero {
  padding: 92px 0 84px;
  background:
    radial-gradient(1000px 420px at 78% -20%, rgba(33, 118, 236, 0.16), transparent 60%),
    var(--bg);
  border-bottom: 1px solid var(--border-soft);
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.02fr);
  gap: 56px;
  align-items: center;
}

.eyebrow,
.section-label {
  font-family: "DM Mono", ui-monospace, monospace;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue-strong);
  margin: 0 0 18px;
}

.hero h1 {
  font-size: clamp(2.3rem, 4.6vw, 3.5rem);
  font-weight: 200;
  letter-spacing: -0.025em;
  line-height: 1.1;
  margin: 0 0 20px;
}

.hero h1 .accent { color: var(--blue-strong); font-weight: 400; }

.lead { font-size: clamp(1.02rem, 1.6vw, 1.15rem); color: var(--text-soft); max-width: 56ch; margin: 0 0 30px; }

.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }

.chips { display: flex; flex-wrap: wrap; gap: 10px; list-style: none; padding: 0; margin: 34px 0 0; }

.chips li {
  font-family: "DM Mono", ui-monospace, monospace;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-soft);
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: 999px;
  padding: 7px 14px;
}

/* ---------- seções ---------- */

.band { padding: 90px 0; }
.band-tint { background: var(--bg-tint); }

.band h2 {
  font-size: clamp(1.65rem, 3.2vw, 2.3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin: 0 0 16px;
  max-width: 24ch;
}

.section-lead { color: var(--text-soft); max-width: 62ch; margin: 0 0 40px; }

.band h2 + .grid { margin-top: 40px; }

/* ---------- cards ---------- */

.grid { display: grid; gap: 18px; }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(268px, 1fr)); }

.card {
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: var(--shadow);
}

.card h3 { font-size: 1.05rem; font-weight: 700; letter-spacing: -0.01em; margin: 0 0 10px; }
.card p { color: var(--text-soft); margin: 0; font-size: 0.96rem; }

/* ---------- método (texto + print) ---------- */

.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 56px; align-items: start; }

.steps { list-style: none; padding: 0; margin: 0; display: grid; gap: 22px; }

.steps li { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 16px; align-items: start; }

.step-index {
  font-family: "DM Mono", ui-monospace, monospace;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--blue-strong);
  background: var(--blue-soft);
  border-radius: 8px;
  padding: 5px 9px;
  line-height: 1;
  margin-top: 4px;
}

.steps h3 { font-size: 1.02rem; font-weight: 700; letter-spacing: -0.01em; margin: 0 0 4px; }
.steps p { color: var(--text-soft); margin: 0; font-size: 0.95rem; }

.shot-sticky { position: sticky; top: 104px; }

/* ---------- governança (painel escuro) ---------- */

.band-ink { background: var(--ink); color: #f0f6ff; }
.band-ink .section-label { color: #6ea8ff; }
.band-ink .card-ink { background: var(--graphite); border-color: rgba(240, 246, 255, 0.1); box-shadow: none; }
.band-ink .card-ink p { color: #98a2b3; }
.footnote { margin: 38px 0 0; color: var(--text-faint); font-size: 0.9rem; max-width: 78ch; }

/* ---------- chamada final ---------- */

.cta-band {
  background: linear-gradient(135deg, var(--blue-strong), #0f4ea8);
  color: #fff;
}

.cta-band .section-label { color: rgba(255, 255, 255, 0.72); }
.cta-band .section-lead { color: rgba(255, 255, 255, 0.86); margin-bottom: 0; }

.cta-inner { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 44px; align-items: center; }
.cta-band .btn-primary { background: #fff; color: var(--blue-strong); box-shadow: none; }
.cta-band .btn-primary:hover { background: #eaf1ff; }
.cta-actions { display: flex; flex-direction: column; gap: 14px; }

/* ---------- rodapé ---------- */

.footer { border-top: 1px solid var(--border-soft); padding: 36px 0; background: var(--bg-tint); }
.footer-inner { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.footer-mark { height: 24px; width: auto; opacity: 0.7; }
.footer-text { flex: 1 1 260px; }
.footer-text p { margin: 0; font-size: 0.92rem; }
.footer-text .muted { color: var(--text-faint); }
.footer-nav { display: flex; gap: 22px; font-size: 0.92rem; }
.footer-nav a { color: var(--text-soft); text-decoration: none; }
.footer-nav a:hover { color: var(--text); }

/* ---------- responsivo ---------- */

@media (max-width: 980px) {
  .hero-inner, .split, .cta-inner { grid-template-columns: 1fr; gap: 34px; }
  .shot-sticky { position: static; }
}

@media (max-width: 880px) {
  .topnav { gap: 14px; }
  .topnav a:not(.btn) { display: none; }
  .hero { padding: 64px 0 56px; }
  .band { padding: 64px 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn { transition: none; }
}