/* ============================================================
   BusiaBr · Planos comerciais
   Identidade oficial: midnight #060D18 + cyan #00D4FF
   Tipografia: Space Grotesk (display) + Manrope (corpo)
   ============================================================ */

:root {
  /* superficies */
  --midnight: #060D18;
  --deep: #0A1628;
  --navy: #163058;
  --ocean: #1B4B8A;
  --panel: rgba(15, 35, 65, 0.55);
  --panel-solid: rgba(10, 22, 40, 0.92);

  /* accent */
  --electric: #00D4FF;
  --electric-light: #4DE8FF;
  --electric-pale: #8AF0FF;
  --cyan: #00E5CC;
  --amber: #FFB547;
  --amber-warm: #FF8F3F;

  /* texto */
  --ghost: #F0F4F8;
  --ghost-dim: #A8B5C8;
  --ghost-faint: #6E7E96;

  /* linhas */
  --border: rgba(0, 212, 255, 0.16);
  --border-md: rgba(0, 212, 255, 0.34);
  --border-amber: rgba(255, 181, 71, 0.45);

  /* fontes */
  --ff-display: 'Space Grotesk', system-ui, sans-serif;
  --ff-body: 'Manrope', system-ui, sans-serif;

  --maxw: 1200px;
  --radius: 18px;
  --radius-sm: 11px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--midnight);
  color: var(--ghost);
  font-family: var(--ff-body);
  font-size: 17px;
  line-height: 1.65;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* brilho de fundo */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(1100px 620px at 6% -2%, rgba(0, 212, 255, 0.12), transparent 58%),
    radial-gradient(900px 520px at 96% 4%, rgba(0, 229, 204, 0.07), transparent 60%),
    radial-gradient(820px 540px at 50% 108%, rgba(255, 181, 71, 0.05), transparent 60%);
}

.container {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 28px;
}

a { color: inherit; text-decoration: none; }

/* ============================================================
   HEADER FIXO
   ============================================================ */
header.site {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(6, 13, 24, 0.78);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
header.site .bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--ff-display);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -0.01em;
  color: var(--ghost);
}
.brand .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--electric), var(--cyan));
  box-shadow: 0 0 14px rgba(0, 212, 255, 0.6);
}
.brand .br { color: var(--electric); }

nav.site-nav {
  display: flex;
  align-items: center;
  gap: 26px;
}
nav.site-nav a {
  font-size: 14.5px;
  font-weight: 500;
  color: var(--ghost-dim);
  transition: color 0.18s;
}
nav.site-nav a:hover,
nav.site-nav a.active { color: var(--ghost); }
nav.site-nav a.nav-cta {
  padding: 9px 18px;
  border-radius: 9px;
  border: 1px solid var(--border-md);
  color: var(--electric);
  font-weight: 600;
  transition: background 0.18s, border-color 0.18s, color 0.18s;
}
nav.site-nav a.nav-cta:hover {
  background: rgba(0, 212, 255, 0.1);
  border-color: var(--electric);
  color: var(--ghost);
}
.nav-links-mobile { display: none; }

/* ============================================================
   HERO
   ============================================================ */
section.hero {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 84px 0 56px;
}
.kicker {
  display: inline-block;
  font-family: var(--ff-display);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--electric);
  padding: 7px 16px;
  border: 1px solid var(--border-md);
  border-radius: 100px;
  margin-bottom: 26px;
  background: rgba(0, 212, 255, 0.05);
}
h1 {
  font-family: var(--ff-display);
  font-weight: 700;
  font-size: clamp(36px, 5.5vw, 60px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  max-width: 880px;
  margin: 0 auto 22px;
}
h1 .accent {
  background: linear-gradient(135deg, var(--electric), var(--cyan));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero .lead {
  font-size: clamp(17px, 2vw, 20px);
  color: var(--ghost-dim);
  max-width: 680px;
  margin: 0 auto 34px;
}
.hero .lead strong { color: var(--ghost); font-weight: 600; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--ff-display);
  font-weight: 600;
  font-size: 15.5px;
  padding: 14px 26px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: transform 0.18s, box-shadow 0.18s, background 0.18s, border-color 0.18s;
  border: 1px solid transparent;
}
.btn-primary {
  background: linear-gradient(135deg, var(--electric), var(--cyan));
  color: var(--midnight);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 36px rgba(0, 212, 255, 0.28);
}
.btn-ghost {
  background: transparent;
  border-color: var(--border-md);
  color: var(--ghost);
}
.btn-ghost:hover {
  border-color: var(--electric);
  background: rgba(0, 212, 255, 0.08);
}
.hero-cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ============================================================
   GRID DE PLANOS
   ============================================================ */
section.plans-section {
  position: relative;
  z-index: 1;
  padding: 24px 0 40px;
}
.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 44px;
}
.section-head .tag {
  font-family: var(--ff-display);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--electric);
  margin-bottom: 12px;
}
.section-head h2 {
  font-family: var(--ff-display);
  font-weight: 700;
  font-size: clamp(26px, 3.6vw, 38px);
  line-height: 1.14;
  letter-spacing: -0.015em;
  margin-bottom: 14px;
}
.section-head p { color: var(--ghost-dim); font-size: 16.5px; }

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

.plan {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 16px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px 26px;
  transition: border-color 0.22s, transform 0.22s, box-shadow 0.22s;
}
.plan:hover {
  border-color: var(--border-md);
  transform: translateY(-4px);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.32);
}

.plan-head {
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}
.plan-num {
  font-family: var(--ff-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--electric);
}
.plan h3 {
  font-family: var(--ff-display);
  font-weight: 700;
  font-size: 23px;
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--ghost);
}
.plan .subtitle {
  font-size: 14px;
  color: var(--ghost-dim);
  font-weight: 500;
}

.plan-pitch {
  font-size: 14.5px;
  color: var(--ghost-dim);
  line-height: 1.55;
}

.includes {
  font-family: var(--ff-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--cyan);
  display: flex;
  align-items: center;
  gap: 7px;
}
.includes::before {
  content: "";
  width: 18px;
  height: 1px;
  background: var(--cyan);
  opacity: 0.6;
}

.plan-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 14.5px;
  color: var(--ghost-dim);
}
.plan-features li {
  position: relative;
  padding-left: 24px;
  line-height: 1.45;
}
.plan-features li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 8px rgba(0, 229, 204, 0.5);
}
.plan-features li strong { color: var(--ghost); font-weight: 600; }

.plan-for {
  margin-top: auto;
  padding: 13px 14px;
  background: rgba(0, 212, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  color: var(--ghost-dim);
  line-height: 1.5;
}
.plan-for strong {
  display: block;
  font-family: var(--ff-display);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--electric);
  margin-bottom: 5px;
}

.plan-price {
  font-family: var(--ff-display);
  font-weight: 700;
  font-size: 24px;
  color: var(--ghost);
  line-height: 1;
}
.plan-price small {
  display: block;
  font-family: var(--ff-body);
  font-weight: 500;
  font-size: 12.5px;
  color: var(--ghost-faint);
  letter-spacing: 0.02em;
  margin-top: 6px;
}

.plan-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 18px;
  border-radius: var(--radius-sm);
  font-family: var(--ff-display);
  font-weight: 600;
  font-size: 14.5px;
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid var(--border-md);
  color: var(--electric);
  text-align: center;
  transition: transform 0.18s, box-shadow 0.18s, background 0.18s, color 0.18s;
}
.plan-cta:hover {
  background: linear-gradient(135deg, var(--electric), var(--cyan));
  color: var(--midnight);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(0, 212, 255, 0.24);
}

/* destaque Plano 4 */
.plan.highlight {
  border-color: var(--border-amber);
  background: linear-gradient(180deg, rgba(255, 181, 71, 0.08), var(--panel) 42%);
}
.plan.highlight .plan-num,
.plan.highlight .plan-for strong { color: var(--amber); }
.plan.highlight .includes,
.plan.highlight .includes::before { color: var(--amber); background: var(--amber); }
.plan.highlight .includes { background: transparent; }
.plan.highlight .plan-features li::before {
  background: var(--amber);
  box-shadow: 0 0 8px rgba(255, 181, 71, 0.5);
}
.plan.highlight .plan-cta {
  background: linear-gradient(135deg, var(--amber), var(--amber-warm));
  border-color: transparent;
  color: var(--midnight);
}
.plan.highlight .plan-cta:hover {
  box-shadow: 0 12px 30px rgba(255, 181, 71, 0.3);
}
.badge {
  position: absolute;
  top: -11px;
  left: 24px;
  font-family: var(--ff-display);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--midnight);
  background: linear-gradient(135deg, var(--amber), var(--amber-warm));
  padding: 5px 12px;
  border-radius: 100px;
}

/* ============================================================
   COMO DECIDIR
   ============================================================ */
section.decide {
  position: relative;
  z-index: 1;
  padding: 64px 0 40px;
}
.decide-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin-top: 40px;
}
.decide-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 24px;
  transition: border-color 0.2s, transform 0.2s;
}
.decide-card:hover { border-color: var(--border-md); transform: translateY(-3px); }
.decide-card .q-num {
  font-family: var(--ff-display);
  font-size: 13px;
  font-weight: 700;
  color: var(--electric);
  letter-spacing: 0.04em;
  margin-bottom: 10px;
}
.decide-card h4 {
  font-family: var(--ff-display);
  font-weight: 600;
  font-size: 18px;
  line-height: 1.3;
  margin-bottom: 10px;
  color: var(--ghost);
}
.decide-card p { font-size: 14.5px; color: var(--ghost-dim); line-height: 1.6; }
.decide-card p .pick {
  color: var(--cyan);
  font-weight: 600;
}

/* ============================================================
   CTA FINAL
   ============================================================ */
section.final-cta {
  position: relative;
  z-index: 1;
  padding: 56px 0 72px;
}
.final-box {
  background: linear-gradient(160deg, rgba(22, 48, 88, 0.5), rgba(10, 22, 40, 0.94));
  border: 1px solid var(--border-md);
  border-radius: 24px;
  padding: 56px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.final-box::before {
  content: "";
  position: absolute;
  top: -40%;
  right: -10%;
  width: 460px;
  height: 460px;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.12), transparent 70%);
  pointer-events: none;
}
.final-box h2 {
  font-family: var(--ff-display);
  font-weight: 700;
  font-size: clamp(26px, 3.6vw, 40px);
  line-height: 1.12;
  letter-spacing: -0.015em;
  max-width: 640px;
  margin: 0 auto 16px;
  position: relative;
}
.final-box p {
  color: var(--ghost-dim);
  font-size: 17px;
  max-width: 560px;
  margin: 0 auto 32px;
  position: relative;
}
.final-box .hero-cta { position: relative; }

/* ============================================================
   FOOTER
   ============================================================ */
footer.site {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--border);
  padding: 48px 0 56px;
}
.footer-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  justify-content: space-between;
  align-items: flex-start;
}
.footer-brand { max-width: 320px; }
.footer-brand .brand { margin-bottom: 12px; }
.footer-brand p { font-size: 14px; color: var(--ghost-dim); line-height: 1.6; }
.footer-cols { display: flex; gap: 56px; flex-wrap: wrap; }
.footer-col h5 {
  font-family: var(--ff-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ghost-faint);
  margin-bottom: 14px;
}
.footer-col a,
.footer-col span {
  display: block;
  font-size: 14px;
  color: var(--ghost-dim);
  margin-bottom: 9px;
  transition: color 0.18s;
}
.footer-col a:hover { color: var(--electric); }
.footer-bottom {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
  font-size: 13px;
  color: var(--ghost-faint);
}

/* ============================================================
   REVEAL ON SCROLL
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ============================================================
   RESPONSIVO
   ============================================================ */
@media (max-width: 1024px) {
  .plans { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 760px) {
  body { font-size: 16px; }
  .container { padding: 0 20px; }
  header.site .bar { height: 60px; }
  nav.site-nav a:not(.nav-cta) { display: none; }
  section.hero { padding: 56px 0 40px; }
  .plans { grid-template-columns: 1fr; gap: 16px; }
  .decide-grid { grid-template-columns: 1fr; }
  .final-box { padding: 40px 24px; }
  .footer-cols { gap: 36px; }
  .badge { left: 20px; }
}