/* HEADER DESIGN */
header {
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid #eee;
  padding: 18px 60px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: 0.3s ease;
}

.logo {
  font-size: 24px;
  font-weight: 700;
  color: #ff4d4d;
  letter-spacing: 1px;
}

nav {
  display: flex;
  align-items: center;
}

nav a {
  margin: 0 18px;
  text-decoration: none;
  color: #333;
  font-size: 16px;
  position: relative;
  transition: 0.3s ease;
}

nav a::after {
  content: "";
  width: 0%;
  height: 2px;
  background: #ff4d4d;
  position: absolute;
  left: 0;
  bottom: -6px;
  transition: 0.3s;
}

nav a:hover::after {
  width: 100%;
}

nav a:hover {
  color: #ff4d4d;
}

.cta-btn {
  background: #ff4d4d;
  color: #fff;
  padding: 10px 20px;
  border-radius: 6px;
  text-decoration: none;
  font-size: 14px;
  transition: 0.3s ease;
}

.cta-btn:hover {
  background: #e63b3b;
}

.menu-toggle {
  display: none;
  font-size: 26px;
  cursor: pointer;
}

/* MOBILE */
@media (max-width: 900px) {

  header {
    padding: 18px 30px;
  }

  nav {
    position: absolute;
    top: 75px;
    right: 0;
    background: #fff;
    width: 100%;
    flex-direction: column;
    align-items: center;
    display: none;
    padding: 20px 0;
    box-shadow: 0 8px 20px rgba(0,0,0,0.08);
  }

  nav.active {
    display: flex;
  }

  nav a {
    margin: 12px 0;
  }

  .cta-btn {
    display: none;
  }

  .menu-toggle {
    display: block;
  }
}