/* ---------- Tokens ---------- */
:root {
  --bg: #05070d;
  --bg-alt: #090d18;
  --card: #0f1522;
  --card-hover: #131b2c;
  --border: #1c2740;
  --blue: #3b82f6;
  --blue-light: #60a5fa;
  --blue-dark: #1d4ed8;
  --white: #f5f7fb;
  --muted: #94a3b8;
  --muted-2: #64748b;
  --radius: 16px;
  --container: 1180px;
  --shadow-blue: 0 0 0 1px rgba(59,130,246,.15), 0 20px 60px -20px rgba(59,130,246,.35);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, sans-serif;
  background: var(--bg);
  color: var(--white);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

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

h1, h2, h3, h4 { margin: 0; font-weight: 800; letter-spacing: -0.02em; }
p { color: var(--muted); margin: 0; }

.hide-mobile { display: inline; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease, border-color .15s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }

.btn--primary {
  background: linear-gradient(135deg, var(--blue-light), var(--blue-dark));
  color: #fff;
  box-shadow: var(--shadow-blue);
}
.btn--primary:hover { box-shadow: 0 0 0 1px rgba(59,130,246,.3), 0 24px 70px -18px rgba(59,130,246,.55); }

.btn--outline {
  background: transparent;
  color: var(--white);
  border-color: var(--border);
}
.btn--outline:hover { border-color: var(--blue); background: rgba(59,130,246,.08); }

.btn--sm { padding: 10px 20px; font-size: 14px; }

/* ---------- Tag / eyebrow ---------- */
.tag {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  border: 1px solid var(--border);
  color: var(--muted);
  background: rgba(255,255,255,.02);
  margin-bottom: 18px;
}
.tag--blue { color: var(--blue-light); border-color: rgba(59,130,246,.35); background: rgba(59,130,246,.08); }

/* ---------- Nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(14px);
  background: rgba(5,7,13,.75);
  border-bottom: 1px solid var(--border);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 20px;
}

.brand { display: flex; align-items: center; gap: 10px; }
.brand__mark {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--blue-light), var(--blue-dark));
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800;
  font-size: 18px;
  flex-shrink: 0;
}
.brand__name { font-size: 17px; font-weight: 500; color: var(--white); }
.brand__name strong { font-weight: 800; }

.nav__links {
  display: flex;
  align-items: center;
  gap: 32px;
  font-size: 15px;
  font-weight: 500;
  color: var(--muted);
}
.nav__links a:hover { color: var(--white); }

.nav__cta { flex-shrink: 0; }

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav__toggle span {
  width: 22px; height: 2px;
  background: var(--white);
  border-radius: 2px;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 100px 0 80px;
  overflow: hidden;
}
.hero__glow {
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 700px;
  background: radial-gradient(closest-side, rgba(59,130,246,.35), transparent 70%);
  filter: blur(10px);
  pointer-events: none;
}
.hero__inner {
  position: relative;
  text-align: center;
  max-width: 860px;
}
.hero h1 {
  font-size: clamp(34px, 5.5vw, 58px);
  line-height: 1.08;
  margin-bottom: 22px;
}
.hero__lead {
  font-size: 18px;
  color: var(--muted);
  max-width: 640px;
  margin: 0 auto 36px;
}
.hero__lead strong { color: var(--white); font-weight: 600; }

.hero__actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

.hero__cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  text-align: left;
}
.hero__card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 24px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.hero__card-kicker { font-size: 12px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--blue-light); }
.hero__card-title { font-size: 17px; font-weight: 700; color: var(--white); }
.hero__card-desc { font-size: 14px; color: var(--muted); }

/* ---------- Intro ---------- */
.intro { padding: 40px 0 20px; }
.intro__inner { max-width: 700px; margin: 0 auto; text-align: center; }
.intro__eyebrow { color: var(--blue-light); font-weight: 700; font-size: 14px; text-transform: uppercase; letter-spacing: .06em; margin-bottom: 10px; }
.intro h2 { font-size: clamp(26px, 3.5vw, 36px); margin-bottom: 16px; }
.intro__text { font-size: 16px; }

/* ---------- Product sections ---------- */
.product { padding: 90px 0; border-top: 1px solid var(--border); }
.product--alt { background: var(--bg-alt); }

.product__head { max-width: 720px; margin: 0 auto 56px; text-align: center; }
.product__head h2 { font-size: clamp(28px, 4vw, 40px); margin: 14px 0 16px; }
.product__head p { font-size: 16px; }

.grid { display: grid; gap: 20px; }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

.feature-card, .diff-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 26px;
  transition: transform .2s ease, border-color .2s ease, background .2s ease;
}
.feature-card:hover, .diff-card:hover {
  transform: translateY(-4px);
  border-color: rgba(59,130,246,.4);
  background: var(--card-hover);
}
.feature-card__icon, .diff-card__icon {
  font-size: 26px;
  width: 52px; height: 52px;
  border-radius: 12px;
  background: rgba(59,130,246,.1);
  border: 1px solid rgba(59,130,246,.25);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
}
.feature-card h3, .diff-card h3 { font-size: 17px; color: var(--white); margin-bottom: 8px; }
.feature-card p, .diff-card p { font-size: 14.5px; }

.product__cta { text-align: center; margin-top: 50px; }

/* ---------- Diferenciais ---------- */
.diff { padding: 90px 0; border-top: 1px solid var(--border); }

/* ---------- CTA ---------- */
.cta {
  padding: 100px 0;
  text-align: center;
  border-top: 1px solid var(--border);
  background: radial-gradient(ellipse at center, rgba(59,130,246,.12), transparent 65%);
}
.cta__inner { max-width: 640px; margin: 0 auto; }
.cta h2 { font-size: clamp(28px, 4vw, 40px); margin-bottom: 14px; }
.cta p { font-size: 16px; margin-bottom: 34px; }
.cta__actions { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--border); padding: 64px 0 24px; background: var(--bg-alt); }
.footer__inner {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 32px;
  padding-bottom: 40px;
}
.footer__brand p { margin-top: 14px; font-size: 14px; max-width: 260px; }
.footer__col { display: flex; flex-direction: column; gap: 12px; }
.footer__col h4 { color: var(--white); font-size: 14px; margin-bottom: 4px; }
.footer__col a, .footer__muted { color: var(--muted); font-size: 14.5px; }
.footer__col a:hover { color: var(--blue-light); }
.footer__bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  text-align: center;
  font-size: 13.5px;
  color: var(--muted-2);
}

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .footer__inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav__links { display: none; }
  .nav__toggle { display: flex; }
  .nav__cta { display: none; }
  .hide-mobile { display: none; }

  .nav__links.is-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 76px;
    left: 0; right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 20px 24px 28px;
    gap: 18px;
  }

  .hero__cards { grid-template-columns: 1fr; }
  .grid--3, .grid--4 { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr; }
}