/* ===========================
   HEADER
=========================== */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

.header {
  width: 100%;
  background: #4274d9;
  border-top: 4px solid #8b2b2b;
}

.header-container {
  max-width: 1300px;
  margin: auto;
  display: flex;
  flex-direction: column;
  padding: 18px 20px;
}
.header-top {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 15px;
}

.logo {
  flex: 0 0 120px;
  margin-right: 0;
}

.logo img {
  width: 150px;
  height: auto;
  object-fit: contain;
  display: block;
}

.company-info {
  flex: 0 1 auto;
  text-align: center;
  color: #fff;
  padding: 0;
}

.company-info h1 {
  font-size: 26px;
  font-weight: 700;
  text-transform: uppercase;
  margin: 0 0 8px 0;
  line-height: 1.3;
}

.company-info p {
  font-size: 16px;
  font-weight: 600;
  margin: 0;
}

/* Hamburger Menu */

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-around;
  width: 30px;
  height: 25px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  flex-shrink: 0;
  z-index: 1000;
}

.hamburger span {
  width: 30px;
  height: 3px;
  background: #fff;
  border-radius: 3px;
  transition: all 0.3s linear;
  position: relative;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(8px, 8px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

/* Navigation */

.navbar {
  width: 100%;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 15px;
}

.navbar ul {
  display: flex;
  justify-content: center;
  align-items: center;
  list-style: none;
  gap: 30px;
  margin: 0;
  padding: 0;
}

.navbar a {
  text-decoration: none;
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  transition: 0.3s;
  white-space: nowrap;
}

.navbar a:hover {
  color: #ffc107;
}

/* ===========================
   Responsive
=========================== */

@media (max-width: 992px) {
  .header-container {
    padding: 15px;
  }

  .header-top {
    margin-bottom: 12px;
  }

  .logo {
    flex: 0 0 100px;
    margin-right: 20px;
  }

  .logo img {
    width: 80px;
  }

  .company-info {
    padding: 0 20px 0 0;
  }

  .company-info h1 {
    font-size: 14px;
  }

  .company-info p {
    font-size: 12px;
  }

  .navbar ul {
    gap: 20px;
  }

  .navbar a {
    font-size: 14px;
  }
}

@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .header-top {
    margin-bottom: 0;
    position: relative;
    align-items: center;
    justify-content: space-between;
  }

  .company-info {
    padding-right: 10px;
    flex: 1;
    text-align: left;
  }

  .company-info h1 {
    font-size: 16px;
    line-height: 1.2;
    font-weight: 700;
  }

  .company-info p {
    display: none; /* Hide registration number on mobile */
  }

  .logo {
    margin-right: 0;
    margin-left: 0;
    flex: 0 0 50px;
  }

  .logo img {
    width: 50px;
  }

  .navbar {
    position: relative;
    background: #4274d9;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    border-top: none;
    padding-top: 0;
  }

  .navbar.active {
    max-height: 500px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
  }

  .navbar ul {
    flex-direction: column;
    gap: 0;
    padding: 20px 0;
  }

  .navbar li {
    width: 100%;
    text-align: center;
  }

  .navbar a {
    display: block;
    padding: 15px 20px;
    font-size: 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .navbar a:hover {
    background: rgba(255, 255, 255, 0.1);
  }

  .header-container {
    padding: 10px 15px;
  }
}

@media (max-width: 480px) {
  .logo {
    flex: 0 0 80px;
    margin-right: 10px;
  }

  .logo img {
    width: 70px;
  }

  .company-info h1 {
    font-size: 11px;
  }

  .company-info p {
    font-size: 9px;
  }

  .navbar a {
    font-size: 14px;
    padding: 12px 15px;
  }

  .hamburger {
    width: 25px;
    height: 20px;
  }

  .hamburger span {
    width: 25px;
    height: 2px;
  }
}