feat: change to other sitepakage

packages/base/Resources/Public/Scss/components/_contentElements.scss

@@ -0,0 +1,19 @@
+.content-element {
+  margin: 2rem auto;
+  padding: 2rem;
+  background-color: #f5f5f5; // default background
+
+  // Apply responsive widths at breakpoints using the respond mixin
+
+  &--blue {
+    background-color: #cceeff;
+  }
+
+  &--gray {
+    background-color: #eeeeee;
+  }
+
+  &--image {
+    background: url('EXT:my_sitepackage/Resources/Public/Images/background-image.jpg') no-repeat center/cover;
+  }
+}

packages/base/Resources/Public/Scss/components/_navigation.scss

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+.main-nav {
+  width: 100%;
+  background: $secondary-color url('EXT:my_sitepackage/Resources/Public/Images/linen-texture.png') repeat;
+  position: relative;
+  z-index: 1000;
+
+  &.sticky {
+    position: fixed;
+    top: 0;
+    left: 0;
+    right: 0;
+    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
+  }
+
+  .container {
+    display: flex;
+    align-items: center;
+    justify-content: space-between;
+    margin: 0 auto;
+    padding: 1rem;
+  }
+
+  .nav-logo {
+    img {
+      display: block;
+      max-height: 50px;
+      height: auto;
+      width: auto;
+    }
+  }
+
+  .nav-toggle {
+    background: none;
+    border: none;
+    cursor: pointer;
+    display: none; // hidden by default on desktop
+    position: relative;
+    width: 30px;
+    height: 30px;
+
+    .nav-toggle-icon {
+      width: 100%;
+      height: 2px;
+      background: $primary-color;
+      display: block;
+      position: relative;
+      @include transition(all, 0.3s);
+
+      &::before,
+      &::after {
+        content: '';
+        width: 100%;
+        height: 2px;
+        background: $primary-color;
+        position: absolute;
+        left: 0;
+        @include transition(all, 0.3s);
+      }
+
+      &::before {
+        top: -8px;
+      }
+
+      &::after {
+        top: 8px;
+      }
+    }
+
+    &.active .nav-toggle-icon {
+      background: transparent;
+
+      &::before {
+        transform: rotate(45deg) translate(5px, 5px);
+      }
+
+      &::after {
+        transform: rotate(-45deg) translate(5px, -5px);
+      }
+    }
+  }
+
+  .nav-links {
+    display: flex;
+    list-style: none;
+
+    .nav-item {
+      margin: 0 1rem;
+
+      .nav-link {
+        text-decoration: none;
+        color: $primary-color;
+        font-weight: 700;
+        text-transform: uppercase;
+        letter-spacing: 0.05em;
+        font-size: 1rem;
+        @include transition(color);
+
+        &:hover {
+          color: $brand-color;
+        }
+      }
+    }
+  }
+
+  // Responsive: show hamburger and collapse menu on smaller screens
+  @media (max-width: $breakpoint-lg) {
+    .nav-toggle {
+      display: block;
+    }
+
+    // Hide links by default on mobile and show only when toggled
+    .nav-links {
+      position: absolute;
+      top: 100%;
+      left: 0;
+      right: 0;
+      flex-direction: column;
+      background: $secondary-color url('EXT:my_sitepackage/Resources/Public/Images/linen-texture.png') repeat;
+      max-height: 0;
+      overflow: hidden;
+      @include transition(max-height, 0.4s);
+
+      .nav-item {
+        margin: 0;
+        padding: 1rem;
+        border-top: 1px solid rgba(0,0,0,0.1);
+
+        &:first-child {
+          border-top: none;
+        }
+
+        .nav-link {
+          display: block;
+        }
+      }
+    }
+
+    &.open .nav-links {
+      max-height: 500px; // Adjust to fit all items
+    }
+  }
+}