:root {
  --blue-900: #0b1f4d;
  --blue-700: #1742a8;
  --blue-600: #1d4ed8;
  --blue-500: #2563eb;
  --blue-100: #dbe7ff;
  --blue-50: #f2f6ff;
  --text: #0f172a;
  --muted: #475569;
  --border: #e2e8f0;
  --bg: #ffffff;
  --radius: 16px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

.container { max-width: 1080px; margin: 0 auto; padding: 0 20px; }

/* Header */
.header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.header .container {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px; gap: 16px;
}
.logo {
  display: flex; align-items: center; gap: 10px;
  font-weight: 700; font-size: 1.15rem; color: var(--blue-900);
}
.logo:hover { text-decoration: none; }
.logo-mark {
  width: 32px; height: 32px; border-radius: 9px;
  background: linear-gradient(135deg, var(--blue-500), var(--blue-900));
  color: #fff; display: grid; place-items: center;
  font-size: 0.95rem; font-weight: 800;
}
.nav { display: flex; align-items: center; gap: 24px; }
.nav a { color: var(--muted); font-weight: 500; font-size: 0.95rem; }
.nav a:hover { color: var(--blue-600); text-decoration: none; }
.lang-toggle {
  border: 1px solid var(--border); background: #fff; color: var(--blue-700);
  border-radius: 999px; padding: 4px 12px; font: inherit; font-size: 0.85rem;
  font-weight: 600; cursor: pointer;
}
.lang-toggle:hover { border-color: var(--blue-500); }

/* Hero */
.hero {
  background: radial-gradient(1200px 500px at 80% -10%, var(--blue-500), transparent 60%),
              linear-gradient(160deg, var(--blue-900), var(--blue-700));
  color: #fff;
  padding: 104px 0 96px;
}
.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  line-height: 1.1; letter-spacing: -0.02em; max-width: 720px;
}
.hero p {
  margin-top: 20px; font-size: 1.15rem; max-width: 600px;
  color: var(--blue-100);
}
.hero-actions { margin-top: 36px; display: flex; gap: 12px; flex-wrap: wrap; }

.btn {
  display: inline-block; padding: 12px 22px; border-radius: 999px;
  font-weight: 600; font-size: 0.98rem; transition: transform .15s, background .15s;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-light { background: #fff; color: var(--blue-700); }
.btn-outline { border: 1px solid rgba(255,255,255,.45); color: #fff; }
.btn-outline:hover { background: rgba(255,255,255,.1); }
.btn-primary { background: var(--blue-600); color: #fff; }
.btn-primary:hover { background: var(--blue-700); }

/* Sections */
section { padding: 88px 0; }
.section-alt { background: var(--blue-50); }
.eyebrow {
  text-transform: uppercase; letter-spacing: .12em; font-size: .8rem;
  font-weight: 700; color: var(--blue-600);
}
h2 {
  font-size: clamp(1.7rem, 3.2vw, 2.3rem); letter-spacing: -0.01em;
  margin-top: 8px; color: var(--blue-900);
}
.lead { margin-top: 14px; color: var(--muted); font-size: 1.08rem; max-width: 640px; }

/* Values */
.grid-3 {
  margin-top: 44px; display: grid; gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}
.card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px;
}
.card .icon {
  width: 44px; height: 44px; border-radius: 12px; background: var(--blue-100);
  color: var(--blue-700); display: grid; place-items: center; font-size: 1.3rem;
}
.card h3 { margin-top: 16px; font-size: 1.12rem; color: var(--blue-900); }
.card p { margin-top: 6px; color: var(--muted); }

/* App showcase */
.app {
  margin-top: 44px; display: grid; gap: 32px; align-items: center;
  grid-template-columns: 1.2fr 1fr;
  background: #fff; border: 1px solid var(--border); border-radius: 24px;
  padding: 40px;
}
.app-badge {
  display: inline-block; background: var(--blue-100); color: var(--blue-700);
  font-weight: 600; font-size: .8rem; padding: 4px 10px; border-radius: 999px;
}
.app h3 { font-size: 1.8rem; margin-top: 12px; color: var(--blue-900); }
.app .tagline { font-weight: 600; color: var(--blue-600); margin-top: 4px; }
.app .desc { margin-top: 14px; color: var(--muted); }
.app ul { margin: 18px 0 26px; list-style: none; display: grid; gap: 8px; }
.app li { padding-left: 26px; position: relative; }
.app li::before {
  content: "✓"; position: absolute; left: 0; color: var(--blue-600); font-weight: 700;
}
.app-visual {
  aspect-ratio: 1 / 1; border-radius: 20px;
  background: linear-gradient(145deg, var(--blue-500), var(--blue-900));
  display: grid; place-items: center; color: #fff; text-align: center; padding: 24px;
}
.app-visual .big { font-size: 3.2rem; font-weight: 800; letter-spacing: -0.03em; }
.app-visual .small { color: var(--blue-100); margin-top: 6px; }

/* Contact */
.contact { text-align: center; }
.contact .lead { margin-left: auto; margin-right: auto; }
.contact .btn { margin-top: 28px; }

/* Footer */
.footer { border-top: 1px solid var(--border); padding: 28px 0; color: var(--muted); font-size: .9rem; }
.footer .container { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.footer nav { display: flex; gap: 18px; }
.footer a { color: var(--muted); }

/* Legal pages */
.legal { padding: 64px 0 88px; }
.legal .container { max-width: 760px; }
.legal h1 { font-size: 2.2rem; color: var(--blue-900); letter-spacing: -0.01em; }
.legal .updated { color: var(--muted); margin-top: 6px; }
.legal h2 { font-size: 1.25rem; margin-top: 36px; }
.legal p, .legal li { margin-top: 10px; color: #334155; }
.legal ul { padding-left: 22px; }

/* Language visibility */
html[lang="pt-BR"] [data-lang="en"],
html[lang="en"] [data-lang="pt"] { display: none !important; }

@media (max-width: 760px) {
  .nav a { display: none; }
  .app { grid-template-columns: 1fr; padding: 24px; }
  .app-visual { aspect-ratio: 16 / 9; }
  .hero { padding: 72px 0 64px; }
  section { padding: 64px 0; }
}