/* =========================================================
   css/header.css — header sticky, nav desktop, menu mobile
   ========================================================= */

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--color-dark);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 6px 22px rgba(4, 10, 28, 0.35);
}

.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  min-height: var(--header-h);
  padding: 0.5rem var(--space-4);
  max-width: var(--container);
  margin: 0 auto;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  flex-shrink: 0;
}

.brand-logo {
  height: 34px;
  width: auto;
}

.brand-tag {
  display: none;
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-muted);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-pill);
  padding: 0.15rem 0.5rem;
}

/* Nav principal (desktop) */
.main-nav {
  display: none;
  align-items: center;
  gap: 0.15rem;
  flex-wrap: wrap;
}

.main-nav a {
  color: var(--color-text);
  font-size: 0.86rem;
  font-weight: 600;
  padding: 0.55rem 0.7rem;
  border-radius: var(--radius-sm);
  white-space: nowrap;
}

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

.nav-more {
  position: relative;
}

.nav-more-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  min-height: 40px;
  padding: 0.55rem 0.75rem;
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-size: 0.86rem;
  font-weight: 700;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
}

.nav-more-btn span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 26px;
  height: 22px;
  padding: 0 0.35rem;
  border-radius: 6px;
  background: var(--color-primary);
  color: var(--color-on-primary);
  font-size: 0.72rem;
}

/* Ações do header */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  flex-shrink: 0;
}

.header-actions .btn {
  min-height: 40px;
  padding: 0.5rem 0.85rem;
  font-size: 0.78rem;
}

.header-link {
  display: none;
  color: var(--color-muted);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.5rem 0.55rem;
}

.header-link:hover {
  color: var(--color-primary);
}

.btn-login {
  display: none;
}

/* Burger */
.burger {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-strong);
  background: var(--color-surface);
}

.burger span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

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

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

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

/* Painel mobile */
.mobile-panel {
  position: fixed;
  inset: var(--header-h) 0 0 0;
  background: rgba(8, 15, 35, 0.96);
  backdrop-filter: blur(8px);
  padding: var(--space-5) var(--space-4) calc(var(--bottomnav-h) + var(--space-6));
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform 0.28s ease;
  z-index: 999;
}

.mobile-panel.is-open {
  transform: translateX(0);
}

.mobile-panel nav {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.mobile-panel nav a {
  display: flex;
  align-items: center;
  min-height: 48px;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-weight: 600;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
}

.mobile-panel nav a:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.mobile-cta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem;
  margin-top: var(--space-5);
}

.mobile-cta .btn:last-child {
  grid-column: 1 / -1;
}

body.nav-open {
  overflow: hidden;
}

/* ---------- Телефоны ---------- */
@media (max-width: 600px) {
  .header-top {
    gap: 0.5rem;
    min-height: 58px;
    padding: 0.4rem 0.75rem;
  }
  .brand {
    min-width: 0;
    flex-shrink: 1;
  }
  .brand-logo {
    height: 28px;
    max-width: 100%;
  }
  .header-actions {
    gap: 0.4rem;
  }
  .header-actions .btn {
    min-height: 40px;
    padding: 0.45rem 0.8rem;
    font-size: 0.74rem;
  }
  /* «Depósito» есть в мобильном меню — в шапке оставляем только «Cadastro» */
  .header-actions .btn-primary + .btn-primary {
    display: none;
  }
  .burger {
    width: 42px;
    height: 42px;
    padding: 9px;
  }
  .mobile-panel {
    inset: 58px 0 0 0;
  }
}

/* Совсем узкие экраны (iPhone SE и т.п.) */
@media (max-width: 359px) {
  .brand-logo {
    height: 24px;
  }
  .header-actions .btn {
    padding: 0.4rem 0.65rem;
  }
}

/* ---------- Планшеты ---------- */
@media (min-width: 601px) {
  .btn-login {
    display: inline-flex;
  }
}

/* ---------- Десктоп ---------- */
@media (min-width: 1025px) {
  .brand-tag {
    display: inline-flex;
  }
  .header-link {
    display: inline-flex;
  }
  .burger {
    display: none;
  }
  .main-nav {
    display: flex;
  }
  .mobile-panel {
    display: none;
  }
}

@media (min-width: 1025px) {
  .header-top {
    padding: 0.5rem var(--space-5);
    gap: var(--space-4);
  }
  .brand-logo {
    height: 38px;
  }
  .header-actions .btn {
    min-height: 42px;
    padding: 0.55rem 1.05rem;
    font-size: 0.82rem;
  }
}