/* ======================================================================
   HEADER -- Fogo & Vinho
   Header fixo com logo Don Laurindo + nav ancora + CTA.
   Transparente sobre o hero, solido (#061A11) ao rolar.
   ====================================================================== */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: var(--z-nav);
  transition: background-color var(--transition-header), backdrop-filter var(--transition-header);
  background-color: transparent;
}

.site-header.is-scrolled {
  background-color: var(--color-header-scrolled, rgba(6, 26, 17, 0.92));
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-4);
  gap: var(--space-6);
}

/* Logo */
.site-logo {
  flex-shrink: 0;
  display: inline-flex;
  z-index: calc(var(--z-nav) + 1);
}

.site-logo img {
  width: clamp(100px, 12vw, 140px);
  height: auto;
}

/* Nav */
.site-nav ul {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  list-style: none;
  padding: 0;
  margin: 0;
}

.site-nav li {
  display: flex;
  align-items: center;
}

.site-nav a {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--color-text);
  transition: color var(--transition-hover);
  position: relative;
}

.site-nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--color-primary);
  transition: width var(--transition-hover);
}

.site-nav a:hover,
.site-nav a.is-active {
  color: var(--color-primary);
}

.site-nav a:hover::after,
.site-nav a.is-active::after {
  width: 100%;
}

/* CTA no header */
.site-header__cta {
  font-size: var(--text-xs);
  padding: var(--space-3) var(--space-6);
}

/* Nav Toggle (mobile) */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  z-index: calc(var(--z-nav) + 1);
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
}

.nav-toggle__bar {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
  transition:
    transform var(--transition-base),
    opacity var(--transition-base);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}


/* ---- MOBILE (< 768px) ---- */
@media (max-width: 767px) {
  .site-header__cta {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100dvh;
    background-color: var(--color-overlay);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition:
      opacity var(--transition-slow),
      visibility var(--transition-slow);
    z-index: var(--z-nav);
  }

  .site-nav.is-open {
    opacity: 1;
    visibility: visible;
  }

  .site-nav ul {
    flex-direction: column;
    gap: var(--space-10);
    text-align: center;
  }

  .site-nav a {
    font-size: var(--text-lg);
    letter-spacing: var(--tracking-wider);
  }
}

/* ---- TABLET+ (768px) ---- */
@media (min-width: 768px) {
  .site-header__inner {
    padding-block: var(--space-5);
  }
}

/* ---- DESKTOP (1024px) ---- */
@media (min-width: 1024px) {
  .site-header__inner {
    padding-block: var(--space-6);
  }
}