/* ===== licencIA — estilos compartilhados ===== */
:root {
  --bg: #05060f;
  --panel: rgba(255, 255, 255, 0.03);
  --panel-border: rgba(255, 255, 255, 0.08);
  --text: #e7e9f4;
  --muted: #9aa0b8;
  --accent: #7c5cff;
  --accent-2: #4ea8ff;
  --cyan: #4dd0ff;
  --grad: linear-gradient(135deg, #7c5cff 0%, #4ea8ff 100%);
  --grad-text: linear-gradient(135deg, #6ee7ff 0%, #4ea8ff 60%, #7c5cff 100%);
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 80% 10%, rgba(124,92,255,0.18), transparent 60%),
    radial-gradient(900px 500px at 20% 30%, rgba(78,168,255,0.10), transparent 60%),
    linear-gradient(180deg, #05060f 0%, #070a1c 100%);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }

/* ===== Nav ===== */
.nav {
  max-width: 1240px;
  margin: 0 auto;
  padding: 22px 32px;
  display: flex;
  align-items: center;
  gap: 32px;
}
.logo {
  font-size: 30px;
  letter-spacing: -1px;
  display: inline-flex;
  align-items: baseline;
  line-height: 1;
  text-decoration: none;
}
.logo .light { color: #fff; font-weight: 300; }
.logo .ia {
  background: linear-gradient(180deg, #9bd9ff 0%, #4ea8ff 55%, #6e6bff 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  font-weight: 800; margin-left: 1px;
}
.logo sup { color: #4ea8ff; font-size: 11px; font-weight: 700; margin-left: 3px; transform: translateY(-6px); display: inline-block; }
.nav-menu { flex: 1; display: flex; justify-content: center; gap: 36px; }
.nav-menu a {
  color: var(--text); text-decoration: none;
  font-size: 13px; font-weight: 500; letter-spacing: 1.5px;
  opacity: 0.85; transition: opacity .2s, color .2s;
}
.nav-menu a:hover, .nav-menu a.active { opacity: 1; color: var(--cyan); }

.nav-toggle-cb { display: none; }
.nav-toggle {
  display: none;
  margin-left: auto;
  width: 44px; height: 44px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.25);
  color: #fff;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 22px;
  user-select: none;
}
.nav-toggle:hover { border-color: var(--cyan); color: var(--cyan); }

.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 22px; border-radius: 10px;
  font-size: 13px; font-weight: 700; letter-spacing: 1.2px;
  text-decoration: none; cursor: pointer;
  border: 1px solid transparent;
  transition: transform .15s, box-shadow .2s, background .2s;
}
.btn-primary {
  background: var(--grad); color: #fff;
  box-shadow: 0 8px 30px rgba(124,92,255,0.35);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 12px 36px rgba(124,92,255,0.5); }
.btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,0.25); }
.btn-ghost:hover { border-color: var(--cyan); color: var(--cyan); }
.btn .arrow {
  width: 22px; height: 22px; border-radius: 50%;
  background: rgba(255,255,255,0.18);
  display: inline-flex; align-items: center; justify-content: center; font-size: 12px;
}

/* ===== Page header ===== */
.page-header {
  max-width: 1240px;
  margin: 20px auto 40px;
  padding: 60px 32px 30px;
  text-align: center;
}
.page-header .eyebrow {
  color: var(--accent-2); font-size: 13px; letter-spacing: 4px; font-weight: 600; margin-bottom: 18px;
}
.page-header h1 {
  font-size: clamp(36px, 4.5vw, 56px); line-height: 1.1; font-weight: 700; letter-spacing: -1.2px;
  margin: 0 0 18px;
}
.page-header h1 .accent {
  background: var(--grad-text); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.page-header p {
  color: var(--muted); font-size: 17px; line-height: 1.6; max-width: 720px; margin: 0 auto;
}

/* ===== Card grid ===== */
.section { max-width: 1240px; margin: 0 auto 60px; padding: 0 32px; }
.grid { display: grid; gap: 22px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: rgba(10, 14, 35, 0.55);
  border: 1px solid rgba(124,92,255,0.25);
  border-radius: 14px;
  padding: 26px 22px;
  transition: transform .18s, border-color .2s, box-shadow .2s;
}
.card:hover {
  transform: translateY(-3px);
  border-color: rgba(78,168,255,0.55);
  box-shadow: 0 12px 40px rgba(78,168,255,0.15);
}
.card .icon {
  width: 44px; height: 44px; border-radius: 10px;
  background: rgba(124,92,255,0.15); color: var(--cyan);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 22px; margin-bottom: 16px;
}
.card h3 {
  margin: 0 0 8px;
  font-size: 16px; font-weight: 700; color: #fff; letter-spacing: 0.5px;
}
.card p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.55; }

/* ===== CTA banner ===== */
.cta-banner {
  max-width: 1240px;
  margin: 40px auto 80px;
  padding: 44px 38px;
  background: linear-gradient(135deg, rgba(124,92,255,0.18), rgba(78,168,255,0.12));
  border: 1px solid rgba(124,92,255,0.35);
  border-radius: 16px;
  display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap;
}
.cta-banner h2 { margin: 0 0 6px; font-size: 24px; color: #fff; }
.cta-banner p { margin: 0; color: var(--muted); font-size: 15px; }

/* ===== Footer ===== */
.footer {
  border-top: 1px solid var(--panel-border);
  margin-top: 40px;
  padding: 30px 32px;
  text-align: center;
  color: var(--muted);
  font-size: 13px;
}
.footer strong { color: #fff; }

/* ===== Lists ===== */
.list { list-style: none; padding: 0; margin: 0; }
.list li {
  padding: 10px 0; color: var(--text); font-size: 14.5px;
  display: flex; align-items: flex-start; gap: 10px;
  border-bottom: 1px dashed rgba(255,255,255,0.06);
}
.list li:last-child { border-bottom: 0; }
.list li::before { content: "✓"; color: var(--cyan); font-weight: 700; }

/* ===== Responsive ===== */
@media (max-width: 980px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .nav { flex-wrap: wrap; gap: 14px; padding: 18px 22px; }
  .nav-toggle { display: inline-flex; }
  .nav > .btn { display: none; }
  .nav-menu {
    display: none;
    flex: 0 0 100%;
    order: 5;
    flex-direction: column;
    gap: 0;
    background: rgba(10, 14, 35, 0.92);
    border: 1px solid var(--panel-border);
    border-radius: 12px;
    padding: 6px 0;
  }
  .nav-toggle-cb:checked ~ .nav-menu { display: flex; }
  .nav-menu a {
    padding: 14px 18px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
  }
  .nav-menu a:last-child { border-bottom: 0; }
}
@media (max-width: 600px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}