*,
*::before,
*::after {
  box-sizing: border-box;
}

ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

a {
  text-decoration: none;
  color: inherit;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

body {
  font-family: Arial, sans-serif;
}

header {
  width: 90%;
  margin-left: 5%;
  margin-right: 5%;
  padding-top: 20px;
}

.header-margin {
  max-width: 1500px;
  margin: 0 auto;
  padding: 0 16px;
}

.desktop-menu {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 40px;
}

.desktop-menu img {
  width: 70px;
  height: 70px;
}

.desktop-menu ul {
  display: flex;
  align-items: center;
  gap: 50px;       
}

.desktop-menu li {
  margin: 0;
  padding: 0;
}
.desktop-menu h1{
    font-size:26px;
}
.desktop-menu a {
  color: #fff;
  font-size: clamp(14px, 1.2vw, 18px);
}

.desktop-menu button {
  background: linear-gradient(to left, #860000, #ff2326);
  color: #fff;
  width: 85px;
  height: 35px;
  border: 0;
  border-radius: 25px;
  font-size: clamp(14px, 1vw, 16px);
  cursor: pointer;
}

.mobile-menu-btn {
  display: none;    
  color: #fff;
  cursor: pointer;
  font-size: 25px;
  line-height: 1;
  user-select: none;
}

.mobile-menu {
  display: none;      
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100vh;
  background: rgba(0, 0, 0, 0.9);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 100;
}

.mobile-menu.is-open {
  display: flex;
}

.mobile-menu a {
  color: #fff;
  font-size: 20px;
  margin: 20px 0;
  display: block;
}

.mobile-menu button {
  background: linear-gradient(to left, #860000, #ff2326);
  color: #fff;
  width: 125px;
  height: 45px;
  border: 0;
  border-radius: 0;
  font-size: 20px;
  margin-top: 10px;
  cursor: pointer;
}

.close-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  color: #fff;
  font-size: 30px;
  cursor: pointer;
  user-select: none;
}

@media (max-width: 900px) {
  .desktop-menu {
    display: none;
  }

  .mobile-menu-btn {
    display: block;
  }

  .header-margin {
    padding: 0 12px;
  }
}

@media (max-width: 400px) {
  .header-margin {
    padding: 0 10px;
  }
}