/* Premium V2 — header, footer e página institucional */

/* Header e navegação */
.site-header {
  border-bottom: var(--border-width-hairline) solid var(--color-border-inverse);
  background: var(--color-bg-inverse);
  color: var(--color-text-inverse);
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-header__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  min-height: 76px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  max-width: 390px;
  color: var(--color-text-inverse);
  text-decoration: none;
  transition: opacity var(--transition-base);
}

.brand:hover {
  opacity: 0.85;
}

.brand__symbol {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  display: block;
}

.brand__divider {
  width: 1px;
  height: 34px;
  flex-shrink: 0;
  background: var(--color-accent);
  opacity: 0.52;
}

.brand__text {
  display: flex;
  flex-direction: column;
  gap: 4px;
  line-height: 1.15;
  min-width: 0;
}

.brand__name {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 18px;
  color: var(--color-text-inverse);
  white-space: nowrap;
}

.brand__subtitle {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-inverse-muted);
  white-space: nowrap;
}

@media (max-width: 520px) {
  .brand__subtitle {
    display: none;
  }
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: var(--space-2);
  background: transparent;
  border: var(--border-width-hairline) solid var(--color-border-inverse);
  color: var(--color-text-inverse);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.primary-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 26px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.primary-nav > a {
  font-family: var(--font-sans);
  color: var(--color-text-inverse-muted);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  padding-block: var(--space-1);
  border-bottom: var(--border-width-hairline) solid transparent;
  transition: color var(--transition-base), border-color var(--transition-base);
}

.primary-nav > a:hover,
.primary-nav > a:focus-visible {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

@media (max-width: 760px) {
  .js .nav-toggle {
    display: inline-flex;
  }

  .js .primary-nav {
    display: none;
    width: 100%;
    flex-direction: column;
    gap: var(--space-3);
    padding-block: var(--space-3);
  }

  .js .primary-nav.is-open {
    display: flex;
  }

  .site-header__bar {
    flex-wrap: wrap;
    min-height: 68px;
  }
}

@media (max-width: 520px) {
  .brand {
    gap: 10px;
    max-width: calc(100% - 76px);
  }

  .brand__symbol {
    width: 38px;
    height: 38px;
  }

  .brand__divider {
    height: 28px;
  }

  .brand__name {
    font-size: 15px;
  }
}

/* Footer — composição institucional compacta */
.site-footer {
  background: var(--color-bg-inverse-deep);
  color: var(--color-text-inverse-muted);
  min-height: 220px;
  display: flex;
  align-items: center;
  margin-top: 0;
}

.site-footer__bar {
  display: grid;
  grid-template-columns: minmax(240px, 1.4fr) minmax(150px, 0.8fr) minmax(230px, 1fr);
  align-items: center;
  gap: var(--space-7);
  width: 100%;
  padding-block: var(--space-7);
}

.site-footer__group {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-2);
}

.site-footer__label {
  margin-bottom: var(--space-2);
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
}

.site-footer__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.site-footer__symbol {
  width: 30px;
  height: 30px;
  display: block;
}

.site-footer__name {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 15px;
  color: var(--color-text-inverse);
}

.site-footer__tagline {
  max-width: 18rem;
  margin: 0;
  color: var(--color-text-inverse-muted);
  font-size: 0.8125rem;
  line-height: 1.5;
}

.site-footer__nav,
.site-footer__contacts {
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-footer__nav a,
.site-footer__contacts a {
  color: var(--color-text-inverse-muted);
  text-decoration: none;
  font-size: 13px;
}

.site-footer__nav a:hover,
.site-footer__nav a:focus-visible,
.site-footer__contacts a:hover,
.site-footer__contacts a:focus-visible {
  color: var(--color-accent);
}

.site-footer__meta {
  grid-column: 1 / -1;
  padding-top: var(--space-4);
  border-top: var(--border-width-hairline) solid var(--color-border-inverse);
  font-family: var(--font-sans);
  font-size: 12px;
  color: rgba(243, 241, 234, 0.78);
  margin: 0;
}

@media (max-width: 640px) {
  .site-footer {
    min-height: 0;
  }

  .site-footer__bar {
    grid-template-columns: 1fr;
    gap: var(--space-6);
    padding-block: var(--space-6);
  }

  .site-footer__meta {
    grid-column: auto;
  }
}

/* ============================================================
   Página institucional — Sobre nós
   ============================================================ */
.about-hero {
  padding-block: clamp(4rem, 9vw, 8rem);
}

.about-hero__container,
.about-close__container {
  max-width: 54rem;
}

.about-eyebrow {
  margin-bottom: var(--space-4);
  color: var(--color-accent-strong);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
}

.section--inverse .about-eyebrow,
.about-close .about-eyebrow {
  color: var(--color-accent);
}

.about-hero h1 {
  max-width: 46rem;
  color: var(--color-text-inverse);
  font-size: clamp(2.4rem, 5.4vw, 4.5rem);
}

.about-hero__lede {
  max-width: 42rem;
  margin: 0;
  color: var(--color-text-inverse-muted);
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  line-height: 1.7;
}

.about-section {
  padding-block: clamp(4rem, 8vw, 7rem);
}

.about-section--surface {
  background: var(--color-bg-surface);
  border-block: var(--border-width-hairline) solid var(--color-border);
}

.about-section--quiet {
  background: var(--color-bg);
}

.about-copy {
  max-width: 48rem;
}

.about-copy h2 {
  max-width: 42rem;
  margin-bottom: var(--space-5);
}

.about-copy p:not(.about-eyebrow) {
  max-width: 43rem;
  color: var(--color-text-muted);
  font-size: 1.0625rem;
  line-height: 1.8;
}

.about-flow {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-3);
  margin-block: var(--space-6);
  color: var(--color-text-inverse);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}

.about-flow span {
  padding: var(--space-2) var(--space-3);
  border: var(--border-width-hairline) solid var(--color-border-inverse);
  background: var(--color-bg-inverse);
}

.about-features {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-5);
  margin-top: var(--space-7);
}

.about-feature {
  min-height: 10rem;
  padding: var(--space-5);
  border-top: 2px solid var(--color-accent);
  background: var(--color-bg);
}

.about-feature h3 {
  margin-bottom: var(--space-3);
  font-family: var(--font-serif);
  font-size: 1.05rem;
}

.about-feature p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  line-height: 1.65;
}

.about-close {
  padding-block: clamp(4rem, 8vw, 7rem);
}

.about-close h2 {
  max-width: 40rem;
  color: var(--color-text-inverse);
}

.about-close p:not(.about-eyebrow) {
  color: var(--color-text-inverse-muted);
}

.about-close .btn {
  margin-top: var(--space-4);
}

@media (max-width: 760px) {
  .about-features {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 520px) {
  .about-hero,
  .about-section,
  .about-close {
    padding-block: var(--space-7);
  }

  .about-features {
    grid-template-columns: 1fr;
    gap: var(--space-4);
    margin-top: var(--space-6);
  }

  .about-flow {
    margin-block: var(--space-5);
  }
}