.site-header {
  position: sticky;

  top: 0;

  z-index: 1000;

  height: var(--header-height);

  border-bottom: 1px solid rgba(230, 235, 243, 0.85);

  background:
    rgba(255, 255, 255, 0.92);

  backdrop-filter: blur(14px);
}

.header-container {
  width: 100%;

  max-width: var(--container-width);

  height: 100%;

  margin: 0 auto;

  padding: 0 24px;

  display: flex;

  align-items: center;

  gap: 32px;
}


.brand {
  display: flex;

  align-items: center;

  flex-shrink: 0;
}

.brand-logo {
  width: auto;

  height: 78px;

  margin: 0 0 0 -14px;

  object-fit: contain;
}


/* ==================================================
   NAV
================================================== */

.main-nav {
  display: flex;

  align-items: center;

  gap: 30px;

  margin-left: auto;
}

.main-nav a {
  position: relative;

  padding: 27px 0;

  font-size: 14px;
  font-weight: 500;

  color: var(--color-text-soft);

  transition: color var(--transition);
}

.main-nav a:hover {
  color: var(--color-navy);
}

.main-nav a::after {
  content: "";

  position: absolute;

  left: 0;
  bottom: 18px;

  width: 0;
  height: 2px;

  border-radius: 999px;

  background: var(--color-primary);

  transition: width var(--transition);
}

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


/* ==================================================
   ACTIONS
================================================== */

.header-actions {
  display: flex;

  align-items: center;

  gap: 10px;
}

.menu-toggle {
  display: none;

  width: 44px;
  height: 44px;

  align-items: center;
  justify-content: center;

  border-radius: 12px;

  color: var(--color-navy);

  background: var(--color-bg-soft);

  font-size: 20px;
}

@media (max-width: 980px) {

  .header-container {
    padding: 0 18px;
    gap: 16px;
  }

  .brand-logo {
    height: 42px;
    margin-left: 0;
  }

  .header-actions {
    margin-left: auto;
    gap: 8px;
  }

  .main-nav {
    position: absolute;

    top: calc(100% + 1px);
    left: 0;

    width: 100%;

    display: none;

    flex-direction: column;
    align-items: stretch;

    gap: 0;

    padding: 12px 18px 20px;

    border-bottom: 1px solid var(--color-border);

    background: var(--color-white);

    box-shadow: var(--shadow-sm);
  }

  .main-nav.open {
    display: flex;
  }

  .main-nav a {
    padding: 14px 4px;
  }

  .main-nav a::after {
    display: none;
  }

  .menu-toggle {
    display: inline-flex;
  }
}


@media (max-width: 650px) {

  .site-header {
    height: 68px;
  }

  .header-container {
    padding: 0 14px;
    gap: 10px;
  }

  .brand-logo {
    height: 48px;
    margin-left: -6px;
  }

  .header-actions {
    gap: 8px;
  }

  .header-actions .btn-primary {
    display: none;
  }

  .header-actions .btn-secondary {
    min-height: 42px;

    padding: 0 12px;

    border-radius: 12px;

    font-size: 12px;
    line-height: 1;

    white-space: nowrap;
  }

  .menu-toggle {
    width: 42px;
    height: 42px;

    flex: 0 0 42px;
  }
}