/* =========================================================
   B4 STRATEGY — Landing page
   Estilo inspirado no BTG Pactual, adaptado à marca B4.
   ========================================================= */

:root {
  /* Cores da marca */
  --navy-dark: #05132A;   /* topo da página, rodapé */
  --navy: #0B2859;        /* faixa de destaques */
  --navy-mid: #102E5E;
  --blue: #0056B8;        /* botão principal */
  --blue-royal: #195AB4;  /* hover */
  --cyan: #30A4D9;        /* destaque (vem da logo) */
  --cyan-soft: #6FC4E8;

  --bg-light: #F2F3F5;    /* seções claras */
  --white: #FFFFFF;
  --text-dark: #1A1A1A;
  --text-muted: #5A6577;
  --text-on-dark: rgba(255, 255, 255, 0.78);
  --border: #E3E6EA;

  --radius: 8px;
  --radius-sm: 4px;
  --shadow: 0 2px 10px rgba(5, 19, 42, 0.06);
  --shadow-hover: 0 14px 32px rgba(5, 19, 42, 0.14);
  --container: 1180px;
  --ease: 0.25s ease;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-weight: 400;
  color: var(--text-dark);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: var(--blue); }

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

/* ---------- Logos ---------- */
.logo-icon { height: 42px; width: auto; display: block; }
/* No rodapé (fundo escuro) o badge é um pouco maior */
.logo-icon--footer { height: 48px; }

/* ---------- Botões ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: inherit;
  font-size: 15px;
  font-weight: 500;
  line-height: 1;
  padding: 13px 22px;
  border-radius: var(--radius-sm);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: background var(--ease), color var(--ease), border-color var(--ease), transform var(--ease), box-shadow var(--ease);
  white-space: nowrap;
}
.btn--primary {
  background: var(--blue);
  color: #fff;
}
.btn--primary:hover {
  background: var(--blue-royal);
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(0, 86, 184, 0.28);
}
.btn--outline-light {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.7);
}
.btn--outline-light:hover {
  background: #fff;
  color: var(--navy-dark);
  border-color: #fff;
}
.btn--lg { padding: 16px 32px; font-size: 16px; }

/* ---------- Eyebrow / títulos de seção ---------- */
.eyebrow {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 14px;
}
.eyebrow--cyan { color: var(--cyan); }

.section-title {
  font-size: clamp(26px, 3.4vw, 40px);
  font-weight: 300;
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--navy-dark);
  max-width: 18ch;
}
.section-sub {
  font-size: 18px;
  color: var(--text-muted);
  margin-top: 16px;
  max-width: 52ch;
}

/* =========================================================
   NAVBAR
   ========================================================= */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #fff;
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--ease);
}
.navbar.is-scrolled { box-shadow: 0 4px 20px rgba(5, 19, 42, 0.08); }

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.navbar__links {
  display: flex;
  align-items: center;
  gap: 30px;
}
.navbar__links > a {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-dark);
  transition: color var(--ease);
}
.navbar__links > a:hover { color: var(--blue); }
.navbar__access { color: var(--text-muted) !important; }
.navbar__cta { color: #fff; }
.navbar__cta:hover { color: #fff; }

.navbar__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.navbar__toggle span {
  width: 24px;
  height: 2px;
  background: var(--navy-dark);
  border-radius: 2px;
  transition: transform var(--ease), opacity var(--ease);
}
.navbar__toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.navbar__toggle.is-open span:nth-child(2) { opacity: 0; }
.navbar__toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* =========================================================
   HERO
   ========================================================= */
.hero {
  position: relative;
  background: var(--navy-dark);
  color: #fff;
  overflow: hidden;
  display: flex;
  align-items: center;
  min-height: 620px;
}
.hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(900px 500px at 80% 0%, rgba(48, 164, 217, 0.18), transparent 60%),
    radial-gradient(700px 600px at 100% 100%, rgba(25, 90, 180, 0.30), transparent 55%),
    linear-gradient(135deg, #05132A 0%, #0B2859 100%);
}
.hero__bg::after {
  /* leve textura geométrica */
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(circle at 75% 30%, #000, transparent 70%);
}
.hero__inner {
  position: relative;
  z-index: 1;
  padding: 90px 24px;
  max-width: 900px;
}
.hero__eyebrow {
  display: inline-block;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--cyan-soft);
  padding: 6px 14px;
  border: 1px solid rgba(111, 196, 232, 0.4);
  border-radius: 100px;
  margin-bottom: 24px;
}
.hero__title {
  font-size: clamp(32px, 5vw, 54px);
  font-weight: 300;
  line-height: 1.12;
  letter-spacing: -0.015em;
  max-width: 16ch;
}
.hero__subtitle {
  font-size: clamp(16px, 1.6vw, 19px);
  font-weight: 400;
  color: var(--text-on-dark);
  margin-top: 22px;
  max-width: 60ch;
}
.hero__actions {
  display: flex;
  align-items: center;
  gap: 26px;
  margin-top: 38px;
  flex-wrap: wrap;
}
.hero__link {
  color: #fff;
  font-weight: 500;
  font-size: 15px;
  transition: color var(--ease);
}
.hero__link:hover { color: var(--cyan-soft); }

/* =========================================================
   FAIXA DE DESTAQUES
   ========================================================= */
.strip {
  background: var(--navy);
  padding: 26px 0;
}
.strip__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.strip__item {
  display: flex;
  align-items: center;
  gap: 14px;
  color: #fff;
}
.strip__icon {
  width: 30px;
  height: 30px;
  flex-shrink: 0;
  color: var(--cyan);
}
.strip__item div { display: flex; flex-direction: column; line-height: 1.3; }
.strip__item strong { font-size: 15px; font-weight: 600; }
.strip__item span { font-size: 13px; color: var(--text-on-dark); }

/* =========================================================
   SOLUÇÕES / FRENTES
   ========================================================= */
.solucoes { background: var(--bg-light); padding: 96px 0; }

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 32px;
  margin-bottom: 52px;
}
.section-head--center {
  justify-content: center;
  text-align: center;
  margin-bottom: 56px;
}
.section-head--center .section-title { max-width: 24ch; margin: 0 auto; }
.section-head--center .section-sub { margin-left: auto; margin-right: auto; }
.section-head__cta { flex-shrink: 0; }

.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.card {
  position: relative;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  box-shadow: 0 6px 24px rgba(15, 35, 70, 0.10);
  transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease);
  display: flex;
  flex-direction: column;
}
/* Faixa de destaque no topo do card: aparece ao passar o mouse */
.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--ease);
}
.card:hover::before { transform: scaleX(1); }
.card:hover {
  transform: translateY(-8px);
  box-shadow: 0 18px 44px rgba(0, 86, 184, 0.18);
  border-color: rgba(0, 86, 184, 0.22);
}
.card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: rgba(0, 86, 184, 0.08);
  color: var(--blue);
  margin-bottom: 20px;
}
.card__icon svg { width: 26px; height: 26px; }
.card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--navy-dark);
  margin-bottom: 10px;
}
.card p {
  font-size: 14.5px;
  color: var(--text-muted);
  margin-bottom: 0;
  flex-grow: 1;
}
.card__link {
  font-size: 14px;
  font-weight: 600;
  color: var(--blue);
  transition: gap var(--ease), color var(--ease);
}
.card__link:hover { color: var(--blue-royal); }


/* =========================================================
   PLATAFORMA / B4 APP
   ========================================================= */
.plataforma { background: #fff; padding: 100px 0; }
.plataforma__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.feature-list {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 24px;
  margin: 26px 0 8px;
}
.feature-list li {
  position: relative;
  padding-left: 28px;
  font-size: 15px;
  color: var(--text-dark);
}
.feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: rgba(48, 164, 217, 0.15);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 24 24' fill='none' stroke='%2330A4D9' stroke-width='3'%3E%3Cpath d='M5 12l4 4L19 6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
}
.plataforma__note {
  font-size: 13.5px;
  color: var(--text-muted);
  font-style: italic;
  margin: 18px 0 26px;
  padding-left: 14px;
  border-left: 3px solid var(--cyan);
}

/* Mockup do painel */
.plataforma__mockup { perspective: 1600px; }
.mock {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 30px 60px rgba(5, 19, 42, 0.18);
  border: 1px solid var(--border);
  overflow: hidden;
  transform: rotateY(-6deg) rotateX(2deg);
  transition: transform 0.5s ease;
}
.plataforma__mockup:hover .mock { transform: rotateY(0deg) rotateX(0deg); }
.mock__bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 11px 16px;
  background: var(--bg-light);
  border-bottom: 1px solid var(--border);
}
.mock__dot { width: 10px; height: 10px; border-radius: 50%; background: #cfd5dd; }
.mock__dot:nth-child(1) { background: #ff5f57; }
.mock__dot:nth-child(2) { background: #febc2e; }
.mock__dot:nth-child(3) { background: #28c840; }
.mock__url {
  margin-left: 12px;
  font-size: 12px;
  color: var(--text-muted);
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 3px 14px;
}
.mock__body { display: flex; min-height: 280px; }
.mock__sidebar {
  width: 64px;
  background: var(--navy-dark);
  padding: 18px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}
.mock__logo {
  color: #fff;
  font-weight: 700;
  font-size: 18px;
  margin-bottom: 8px;
}
.mock__navitem { width: 28px; height: 6px; border-radius: 4px; background: rgba(255,255,255,0.18); }
.mock__navitem--active { background: var(--cyan); }
.mock__main { flex: 1; padding: 20px; background: var(--bg-light); }
.mock__kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.mock__kpi {
  background: #fff;
  border-radius: 8px;
  padding: 14px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.mock__kpi-label { font-size: 11px; color: var(--text-muted); }
.mock__kpi-value { font-size: 18px; font-weight: 600; color: var(--navy-dark); }
.mock__kpi-trend { font-size: 11px; font-weight: 600; }
.mock__kpi-trend--up { color: #1a9b54; }
.mock__kpi-trend--down { color: #1a9b54; }
.mock__chart {
  background: #fff;
  border-radius: 8px;
  padding: 16px;
  margin-top: 12px;
  box-shadow: var(--shadow);
}
.mock__chart-title { font-size: 12px; color: var(--text-muted); }
.mock__bars {
  display: flex;
  align-items: flex-end;
  gap: 12px;
  height: 110px;
  margin-top: 12px;
}
.mock__bars span {
  flex: 1;
  height: var(--h);
  background: linear-gradient(180deg, var(--cyan), var(--blue));
  border-radius: 5px 5px 0 0;
  opacity: 0.9;
}

/* =========================================================
   DIFERENCIAIS
   ========================================================= */
.diferenciais { background: var(--bg-light); padding: 96px 0; }
.dif-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.dif {
  background: #fff;
  border-radius: var(--radius);
  padding: 32px 26px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: transform var(--ease), box-shadow var(--ease);
}
.dif:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); }
.dif__icon {
  display: inline-flex;
  width: 50px;
  height: 50px;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: var(--navy-dark);
  color: var(--cyan);
  margin-bottom: 18px;
}
.dif__icon svg { width: 26px; height: 26px; }
.dif h3 { font-size: 17px; font-weight: 600; color: var(--navy-dark); margin-bottom: 10px; }
.dif p { font-size: 14.5px; color: var(--text-muted); }

/* =========================================================
   CHAMADA FINAL
   ========================================================= */
.cta-final {
  position: relative;
  background: var(--navy-dark);
  color: #fff;
  overflow: hidden;
  padding: 88px 0;
}
.cta-final__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(700px 400px at 15% 0%, rgba(48, 164, 217, 0.20), transparent 60%),
    radial-gradient(600px 500px at 100% 100%, rgba(25, 90, 180, 0.35), transparent 55%);
}
.cta-final__inner {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 760px;
}
.cta-final h2 {
  font-size: clamp(26px, 3.4vw, 38px);
  font-weight: 300;
  line-height: 1.2;
}
.cta-final p {
  font-size: 18px;
  color: var(--text-on-dark);
  margin: 18px 0 34px;
}

/* =========================================================
   FOOTER
   ========================================================= */
.footer { background: var(--navy-dark); color: #fff; padding: 64px 0 28px; }
.footer__inner {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  padding-bottom: 44px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}
.footer__col h4 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 16px;
  color: #fff;
}
.footer__col a {
  display: block;
  font-size: 14px;
  color: var(--text-on-dark);
  margin-bottom: 11px;
  transition: color var(--ease);
}
.footer__col a:hover { color: var(--cyan-soft); }
.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  padding-top: 24px;
  font-size: 13px;
  color: var(--text-on-dark);
}
.footer__credit { font-size: 13px; color: var(--text-on-dark); }
.footer__credit a {
  color: var(--cyan-soft);
  font-weight: 500;
  transition: color var(--ease);
}
.footer__credit a:hover { color: #fff; }

/* =========================================================
   ANIMAÇÃO DE ENTRADA (fade-in ao rolar)
   ========================================================= */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* =========================================================
   RESPONSIVO
   ========================================================= */
@media (max-width: 980px) {
  .plataforma__inner { grid-template-columns: 1fr; gap: 48px; }
  .plataforma__mockup { order: -1; }
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
  .dif-grid { grid-template-columns: repeat(2, 1fr); }
  .strip__grid { grid-template-columns: repeat(2, 1fr); gap: 22px; }
  .footer__inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  /* Menu mobile */
  .navbar__toggle { display: flex; }
  .navbar__links {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: #fff;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 16px 30px rgba(5, 19, 42, 0.12);
    padding: 8px 24px 20px;
    transform: translateY(-130%);
    transition: transform 0.3s ease;
    max-height: calc(100vh - 72px);
    overflow-y: auto;
  }
  .navbar__links.is-open { transform: translateY(0); }
  .navbar__links > a {
    padding: 14px 0;
    border-bottom: 1px solid var(--border);
  }
  .navbar__cta { margin-top: 14px; }
  .navbar__links > a.navbar__cta { border-bottom: none; }

  .hero { min-height: auto; }
  .hero__inner { padding: 64px 24px; }
  .hero__actions { gap: 16px; }
  .btn--outline-light { width: 100%; }

  .section-head { flex-direction: column; align-items: flex-start; }
  .section-head__cta { align-self: stretch; }
  .section-head__cta.btn { width: 100%; }

  .solucoes, .diferenciais, .plataforma, .cta-final { padding: 64px 0; }
  .feature-list { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
  .cards-grid { grid-template-columns: 1fr; }
  .strip__grid { grid-template-columns: 1fr; }
  .dif-grid { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr; gap: 28px; }
  .section-title { max-width: 100%; }
}

/* Respeita quem prefere menos animação */
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
  .mock { transform: none; }
}