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

html {
  scroll-behavior: smooth;
  min-height: 100%;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: 'Inter', sans-serif;
  color: var(--cor-texto);
  background:
    radial-gradient(circle at top left, rgba(74,159,212,0.10), transparent 28%),
    linear-gradient(180deg, #f3f7fb 0%, #e6edf5 100%);
}

button {
  font-family: inherit;
}

a {
  text-decoration: none;
}

.container {
  width: min(calc(100% - 32px), var(--largura-container));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 999;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(220, 227, 234, 0.9);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 12px 0;
}

.brand {
  display: flex;
  align-items: center;
}

.brand-logo-link {
  display: inline-flex;
  align-items: center;
}

.brand-logo {
  max-height: 42px;
  width: auto;
  display: block;
}

.main-nav {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.nav-link {
  background: var(--cor-branco);
  color: var(--cor-primaria);
  border: 1px solid var(--cor-linha);
  border-radius: 999px;
  padding: 9px 16px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: 0.2s ease;
}

button.nav-link {
  appearance: none;
}

a.nav-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.nav-link:hover,
.nav-link.active {
  background: var(--cor-primaria);
  color: var(--cor-branco);
  border-color: var(--cor-primaria);
}

.site-main {
  flex: 1;
  padding-bottom: 0;
}

.tab-section {
  display: none;
}

.tab-section.active {
  display: block;
}

.section-block,
.page-top {
  padding: 42px 0 0;
}

.section-title {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}

.section-title span {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--cor-secundaria);
}

.section-line {
  flex: 1;
  height: 1px;
  background: var(--cor-linha);
}

.page-description {
  max-width: 960px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--cor-texto-claro);
  margin-bottom: 26px;
}

.btn {
  border: none;
  border-radius: 12px;
  padding: 12px 18px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--cor-primaria);
  color: var(--cor-branco);
  box-shadow: var(--sombra-suave);
}

.btn-secondary {
  background: rgba(255,255,255,0.08);
  color: var(--cor-branco);
  border: 1px solid rgba(255,255,255,0.25);
}

/* FOOTER */
.site-footer {
  margin-top: auto;
  background: linear-gradient(135deg, #163754 0%, #1f4e76 55%, #2f79ad 100%);
  color: var(--cor-branco);
  position: relative;
  overflow: hidden;
}

.site-footer::before {
  content: "";
  position: absolute;
  top: -120px;
  right: -90px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
}

.site-footer::after {
  content: "";
  position: absolute;
  bottom: -140px;
  left: -100px;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: rgba(255,255,255,0.05);
}

.footer-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 0.8fr;
  gap: 32px;
  padding: 48px 0 30px;
}

.footer-column {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.footer-column-main {
  max-width: 440px;
}

.footer-title {
  font-size: 28px;
  line-height: 1.1;
  font-weight: 800;
  color: var(--cor-branco);
}

.footer-heading {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 1.8px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.62);
}

.footer-text {
  font-size: 15px;
  line-height: 1.85;
  color: rgba(255,255,255,0.88);
}

.footer-nav,
.footer-info-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-link {
  width: fit-content;
  background: transparent;
  border: none;
  padding: 0;
  color: rgba(255,255,255,0.9);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: color 0.2s ease, transform 0.2s ease;
}

.footer-link:hover {
  color: #ffffff;
  transform: translateX(2px);
}

.footer-contact-link,
.footer-info-text {
  font-size: 15px;
  line-height: 1.8;
  color: rgba(255,255,255,0.9);
  word-break: break-word;
}

.footer-contact-link:hover {
  color: #ffffff;
  text-decoration: underline;
}

.footer-bottom {
  position: relative;
  z-index: 1;
  padding: 18px 0 28px;
  border-top: 1px solid rgba(255,255,255,0.14);
}

.footer-bottom-text {
  font-size: 13px;
  line-height: 1.7;
  color: rgba(255,255,255,0.72);
}

@media (max-width: 900px) {
  .header-container {
    flex-direction: column;
    align-items: flex-start;
    padding: 10px 0;
  }

  .main-nav {
    width: 100%;
  }

  .brand-logo {
    max-height: 38px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 26px;
    padding: 40px 0 24px;
  }
}

@media (max-width: 680px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-title {
    font-size: 24px;
  }
}