/* ===== HEADER ===== */
.site-header {
  background: #dc3545;
  color: #fff;
  padding: 15px 20px;
  position: sticky;
  top: 0;
  z-index: 999;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 15px;
  flex-wrap: nowrap;
}

.brand h1 {
  margin: 0;
  font-size: 1.5rem;
}

.brand h1 a {
  color: #fff;
  text-decoration: none;
}

.brand p {
  margin: 2px 0 0;
  font-size: 0.85rem;
  color: #ffe5e5;
}

/* NAVIGATION */
nav {
  display: flex;
  gap: 20px;
  font-weight: 600;
}

nav a {
  color: #fff;
  text-decoration: none;
  transition: 0.3s;
}

nav a:hover {
  color: #ffe5e5;
  text-decoration: underline;
}

/* HOTLINE BUTTON */
.hotline a {
  background: #fff;
  color: #dc3545;
  padding: 8px 16px;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  transition: 0.3s;
}

.hotline a:hover {
  opacity: 0.85;
}

/* ===== MOBILE ===== */
.mobile-toggle {
  display: none;
  font-size: 26px;
  cursor: pointer;
  font-weight: bold;
}

/* Responsive */
@media(max-width: 768px) {

  .header-container {
    flex-wrap: wrap;
    justify-content: space-between;
  }

  /* Logo full width */
  .brand {
    width: 100%;
    text-align: center;
  }

  .hotline {
    width: 100%;
    text-align: center;
    margin-top: 10px;
  }

  /* Mobile menu hidden */
  nav {
    width: 100%;
    display: none; 
    flex-direction: column;
    gap: 10px;
    margin-top: 10px;
    text-align: center;
    background: #c82333;
    padding: 10px 0;
    border-radius: 8px;
  }

  nav.open { 
    display: flex !important; 
  }

  .mobile-toggle {
    display: block;
  }
}