/* Plano Vivo Studios - header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(245, 242, 236, 0.92);
  backdrop-filter: saturate(140%) blur(8px);
  -webkit-backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--border);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 18px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--primary);
  font-family: var(--serif);
  font-size: 1.18rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.brand:hover { color: var(--accent); }
.brand__mark { width: 28px; height: 28px; }
.brand__name { white-space: nowrap; }
.brand__suffix { color: var(--muted); font-weight: 400; font-style: italic; }

.nav { display: none; }
.nav__list {
  display: flex;
  gap: 28px;
  margin: 0; padding: 0;
  list-style: none;
}
.nav__link {
  color: var(--primary);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  transition: border-color var(--transition), color var(--transition);
}
.nav__link:hover, .nav__link--active { color: var(--accent); border-bottom-color: var(--accent); }

.header-cta { display: none; }

.menu-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  width: 48px; height: 48px;
  padding: 0;
  background: transparent;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  cursor: pointer;
  gap: 5px;
  align-items: center;
}
.menu-toggle__bar {
  width: 22px;
  height: 2px;
  background: var(--primary);
  transition: transform var(--transition), opacity var(--transition);
}
.menu-toggle[aria-expanded="true"] .menu-toggle__bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.menu-toggle[aria-expanded="true"] .menu-toggle__bar:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] .menu-toggle__bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-menu {
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 100;
  padding: 96px 32px 48px;
  transform: translateX(100%);
  transition: transform 320ms cubic-bezier(0.4, 0, 0.2, 1);
  overflow-y: auto;
}
.mobile-menu[data-open="true"] { transform: translateX(0); }

.mobile-menu__close {
  position: absolute;
  top: 24px; right: 24px;
  width: 48px; height: 48px;
  background: transparent;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  color: var(--primary);
}

.mobile-menu__list {
  list-style: none;
  margin: 0; padding: 0;
}
.mobile-menu__list li { margin-bottom: 4px; border-bottom: 1px solid var(--border); }
.mobile-menu__list a {
  display: block;
  padding: 18px 0;
  font-family: var(--serif);
  font-size: 1.5rem;
  color: var(--primary);
  text-decoration: none;
}
.mobile-menu__list a:hover { color: var(--accent); }

.mobile-menu__contact {
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}
.mobile-menu__contact a { display: block; margin-bottom: 8px; color: var(--primary-soft); }

@media (min-width: 1024px) {
  .nav { display: block; }
  .header-cta { display: inline-flex; }
  .menu-toggle { display: none; }
  .mobile-menu { display: none; }
  .site-header__inner { gap: 48px; }
}