:root {
  --navy: #1b2688;
  --navy-dark: #060b30;
  --charcoal: #333333;
  --charcoal2: #3d3d3d;
  --charcoal3: #2a2a2a;
  --accent: #70a3f0;
  --accent2: #5c92ff;
  --white: #e8ecf4;
  --muted: #8892b4;
  --border: rgba(112, 163, 240, 0.15);
  --border-h: rgba(112, 163, 240, 0.4);
  --err: #e07b6a;
  --ok: #6abf8a;
  --r: 10px;
  --font-serif: "Cormorant Garamond", Georgia, serif;
  --font-sans: "Syne", sans-serif;
}

/* ── Header ── */
.header {
  --ui-color: #f6f5e6;
  --bg-opacity: 0.9;
  --blur-amount: 20px;
  --logo-filter: brightness(1);
      background: linear-gradient(180deg, rgb(5 17 105 / 70%) 0%, /* --navy-dark com alpha */ rgb(41 62 255 / 0%) 100% /* --navy com alpha */);

  padding: 20px 0;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition:
    background-color 0.3s ease,
    backdrop-filter 0.3s ease;
}

.header.scrolled {
  background-color: rgb(44, 49, 107, var(--bg-opacity));
  backdrop-filter: blur(var(--blur-amount));
  -webkit-backdrop-filter: blur(var(--blur-amount));
  -webkit-mask-image: linear-gradient(
    180deg,
    rgba(0, 0, 0, 5) 0%,
    rgba(0, 0, 0, 0) 100%
  );
  mask-image: linear-gradient(
    180deg,
    rgba(0, 0, 0, 1) 0%,
    rgba(0, 0, 0, 0) 100%
  );
}

.header-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-left {
  flex: 0 0 auto;
}
.logo-left img {
  height: 60px;
  width: 158px;
}

.nav-menu {
  display: flex;
  gap: 50px;
  flex: 1;
  justify-content: center;
}

.nav-link {
  position: relative;
  color: #ffffff;
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.5px;
  transition:
    color 0.3s ease,
    opacity 0.3s ease;
  font-family: var(--font-sans);
}

.nav-link:hover {
  opacity: 0.7;
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: currentColor;
  transition: width 0.3s ease;
}

.nav-link:hover::after {
  width: 100%;
}

/* ── Botão login (deslogado) ── */
.botao-login {
  margin-top: 6px;
  width: 130px;
  height: 30px;
  padding: 13px;
  background: var(--navy);
  border: 1px solid var(--border-h);
  border-radius: var(--r);
  color: var(--white);
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  cursor: pointer;
  transition:
    background 0.2s,
    transform 0.15s,
    box-shadow 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.botao-login:hover {
  background: #0d1450;
  box-shadow: 0 8px 24px rgba(9, 14, 63, 0.5);
  transform: translateY(-2px);
}

.botao-login:active {
  transform: scale(0.98);
}
.botao-login:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* ── Área do usuário logado ── */
.nav-user-area {
  display: flex;
  align-items: center;
  flex: 0 0 auto;
}

.nav-avatar-wrap {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  padding: 6px 10px;
  border-radius: var(--r);
  border: 1px solid var(--border);
  background: rgba(112, 163, 240, 0.05);
  transition:
    border-color 0.2s,
    background 0.2s;
  user-select: none;
}

.nav-avatar-wrap:hover {
  border-color: var(--border-h);
  background: rgba(112, 163, 240, 0.1);
}

.nav-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, #1b2688, #3e5bdb);
  border: 1.5px solid var(--border-h);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.nav-avatar-inicial {
  font-family: var(--font-serif);
  font-size: 15px;
  font-weight: 600;
  color: #ffffff;
  line-height: 1;
}

.nav-username {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--white);
  text-transform: uppercase;
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.nav-chevron {
  font-size: 10px;
  color: var(--muted);
  transition: transform 0.25s ease;
}

/* ── Dropdown ── */
.nav-dropdown {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  min-width: 190px;
  background: #0e1240;
  border: 1px solid var(--border-h);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-8px);
  transition:
    opacity 0.2s ease,
    transform 0.2s ease;
  z-index: 100;
}

.nav-dropdown.open {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.nav-dropdown-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.65);
  text-decoration: none;
  transition:
    background 0.2s,
    color 0.2s;
}

.nav-dropdown-item:hover {
  background: rgba(112, 163, 240, 0.08);
  color: var(--white);
}

.nav-dropdown-item i {
  font-size: 13px;
  color: var(--accent);
  width: 16px;
  text-align: center;
}

.nav-dropdown-sep {
  height: 1px;
  background: var(--border);
  margin: 4px 0;
}

.nav-dropdown-logout {
  color: rgba(224, 123, 106, 0.7);
}

.nav-dropdown-logout:hover {
  background: rgba(224, 123, 106, 0.08);
  color: #e07b6a;
}

.nav-dropdown-logout i {
  color: #e07b6a;
}