edits to the index and css file

Doc/_static/custom.css

@@ -1,6 +1,38 @@
 .math {
     text-align: left;
 }
+.eqno {
+    float: right;
+}
+
+/* Custom CSS for Dark Blue Theme */
+body {
+    background-color: rgb(10, 56, 125);  /* Dark blue background */
+    color: #E6F1FF;  /* Light text for readability */
+}
+
+a {
+    color: #d7ebe6;  /* Bright color for links */
+}
+
+a:hover {
+    color: #72F2EB;  /* Slightly different shade for hover state */
+}
+
+/* Header and sidebar styling */
+.wy-nav-side {
+    background-color: #0c2547;  /* Darker shade of blue for the sidebar */
+}
+
+.wy-nav-top {
+    background-color: #0A192F;  /* Same as the body background */
+}
+
+/* Custom styles for math elements */
+.math {
+    text-align: left;
+}
+
 .eqno {
     float: right;
 }

Doc/grid_index.rst

@@ -0,0 +1,75 @@
+Welcome to MDANSE's documentation!
+===================================
+
+.. grid:: 1 2 2 2
+    :gutter: 4
+    :padding: 2 2 0 0
+    :class-container: sd-text-center
+
+    .. grid-item-card:: Explanations
+        :img-top: _static/explanations-logo.svg
+        :class-card: intro-card
+        :shadow: md
+
+        Learn the basics and core concepts of MDANSE.
+
+        +++
+
+        .. button-ref:: explanations
+            :ref-type: ref
+            :click-parent:
+            :color: secondary
+            :expand:
+
+            To the explanations
+
+    .. grid-item-card:: How-To Guides
+        :img-top: _static/how-to-guides-logo.svg
+        :class-card: intro-card
+        :shadow: md
+
+        Practical step-by-step guides to help you utilize MDANSE effectively.
+
+        +++
+
+        .. button-ref:: how_to_guides
+            :ref-type: ref
+            :click-parent:
+            :color: secondary
+            :expand:
+
+            To the how-to guides
+
+    .. grid-item-card:: Tutorials
+        :img-top: _static/tutorials-logo.svg
+        :class-card: intro-card
+        :shadow: md
+
+        Detailed tutorials to help you get started with MDANSE.
+
+        +++
+
+        .. button-ref:: tutorials
+            :ref-type: ref
+            :click-parent:
+            :color: secondary
+            :expand:
+
+            To the tutorials
+
+    .. grid-item-card:: Technical References
+        :img-top: _static/technical-references-logo.svg
+        :class-card: intro-card
+        :shadow: md
+
+        Deep dive into the technical details of MDANSE.
+
+        +++
+
+        .. button-ref:: technical_references
+            :ref-type: ref
+            :click-parent:
+            :color: secondary
+            :expand:
+
+            To the technical references

Doc/index.rst

@@ -6,10 +6,6 @@
 Welcome to MDANSE's documentation!
 ==================================
 
-.. toctree::
-   :maxdepth: 2
-   :caption: Contents:
-
 .. note::
    This is the documentation of the MDANSE 2.0 release.
    The documentation, just like the code itself, is still under development.
@@ -35,18 +31,12 @@ This project is built on the development published previously: \
 G. Goret, B. Aoun, E. Pellegrini, "MDANSE: An Interactive Analysis Environment for Molecular Dynamics Simulations", 
 J Chem Inf Model. 57(1):1-5 (2017).
 
-
 .. toctree::
-   :maxdepth: 4
-   :numbered:
-   :hidden:
-   :caption: MDANSE User Manual
+   :maxdepth: 2
+   :caption: 💡 Explanations
 
-   pages/opening
-   pages/authors
    pages/introduction
    pages/installation
-   pages/build
    pages/files
    pages/gui
    pages/cmd
@@ -57,8 +47,39 @@ J Chem Inf Model. 57(1):1-5 (2017).
    pages/analysis
    pages/trajectory
    pages/plotting
-   pages/parameters
    pages/fca
+
+.. toctree::
+   :maxdepth: 2
+   :caption: ⚛️ How-To Guides
+
+   pages/H_gui
+   pages/H_cli
+   pages/H_Dynamics
+   pages/H_Scattering
+   pages/H_Structure
+   pages/H_other
+   pages/H_gloss
+   pages/H_Plotting
+   pages/H_fca
+
+.. toctree::
+   :maxdepth: 2
+   :caption: 🧪 Tutorials
+
+   pages/T_Batch
+   pages/T_sim
+   pages/T_Analysis
+
+.. toctree::
+   :maxdepth: 2
+   :caption: 📚 Technical References
+
+   pages/R_contact
+   pages/parameters
+   pages/R_traj
+   pages/R_units
+   pages/R_further
    pages/references
 
 Indices and tables