From abf62a75254867332b193e4da00979ada5fbe8eb Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Sun, 9 Nov 2025 09:20:38 +0000
Subject: [PATCH 1/3] Initial plan


From 2ede70ffc29521b8834519f87add63a100849e25 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Sun, 9 Nov 2025 09:25:11 +0000
Subject: [PATCH 2/3] Redesign Key Features section with hierarchical layout
 and updated copy

Co-authored-by: haoqi-shen <145812960+haoqi-shen@users.noreply.github.com>
---
 src/App.css | 157 ++++++++++++++++++++++++++++++++++++++++++++++++++--
 src/App.jsx |  35 +++++++-----
 2 files changed, 172 insertions(+), 20 deletions(-)

diff --git a/src/App.css b/src/App.css
index c50bddc..877e13d 100644
--- a/src/App.css
+++ b/src/App.css
@@ -178,7 +178,18 @@
 /* Features Section */
 .features {
   padding: 100px 0;
-  background: #f9fafb;
+  background: linear-gradient(135deg, #f9fafb 0%, #ffffff 50%, #f9fafb 100%);
+  position: relative;
+}
+
+.features::before {
+  content: '';
+  position: absolute;
+  top: 0;
+  left: 0;
+  right: 0;
+  height: 1px;
+  background: linear-gradient(90deg, transparent, #e5e7eb 50%, transparent);
 }
 
 .section-title {
@@ -198,9 +209,91 @@
   font-weight: 400;
 }
 
+/* Hero Feature - Highlighted Main Feature */
+.hero-feature {
+  display: flex;
+  justify-content: center;
+  margin: 3rem 0 2.5rem;
+  animation: fadeInUp 0.6s ease-out;
+}
+
+@keyframes fadeInUp {
+  from {
+    opacity: 0;
+    transform: translateY(20px);
+  }
+  to {
+    opacity: 1;
+    transform: translateY(0);
+  }
+}
+
+.hero-feature-card {
+  max-width: 700px;
+  width: 100%;
+  padding: 3rem;
+  background: white;
+  border-radius: 12px;
+  text-align: center;
+  border: 2px solid #e5e7eb;
+  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
+  transition: all 0.3s ease;
+  position: relative;
+  overflow: hidden;
+}
+
+.hero-feature-card::before {
+  content: '';
+  position: absolute;
+  top: 0;
+  left: 0;
+  right: 0;
+  height: 4px;
+  background: linear-gradient(90deg, #111827, #4b5563, #111827);
+}
+
+.hero-feature-card:hover {
+  transform: translateY(-4px);
+  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
+  border-color: #d1d5db;
+}
+
+.hero-feature-icon {
+  font-size: 4rem;
+  margin-bottom: 1.5rem;
+  display: inline-block;
+  animation: pulse 2s ease-in-out infinite;
+}
+
+@keyframes pulse {
+  0%, 100% {
+    transform: scale(1);
+  }
+  50% {
+    transform: scale(1.05);
+  }
+}
+
+.hero-feature-card h3 {
+  font-size: 1.75rem;
+  margin-bottom: 1rem;
+  color: #111827;
+  font-weight: 700;
+  letter-spacing: -0.02em;
+}
+
+.hero-feature-card p {
+  color: #6b7280;
+  line-height: 1.7;
+  font-size: 1.1rem;
+  max-width: 600px;
+  margin: 0 auto;
+}
+
+/* Supporting Features Grid */
 .features-grid {
   display: grid;
-  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
+  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
   gap: 2rem;
   margin-top: 3rem;
 }
@@ -208,18 +301,40 @@
 .feature-card {
   padding: 2rem;
   background: white;
-  border-radius: 8px;
-  transition: box-shadow 0.2s;
+  border-radius: 10px;
+  transition: all 0.3s ease;
   border: 1px solid #e5e7eb;
+  animation: fadeInUp 0.6s ease-out;
+  animation-fill-mode: both;
+}
+
+.feature-card:nth-child(1) {
+  animation-delay: 0.1s;
+}
+
+.feature-card:nth-child(2) {
+  animation-delay: 0.2s;
+}
+
+.feature-card:nth-child(3) {
+  animation-delay: 0.3s;
 }
 
 .feature-card:hover {
-  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
+  transform: translateY(-6px);
+  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
+  border-color: #d1d5db;
 }
 
 .feature-icon {
   font-size: 2.5rem;
   margin-bottom: 1.25rem;
+  display: inline-block;
+  transition: transform 0.3s ease;
+}
+
+.feature-card:hover .feature-icon {
+  transform: scale(1.1) rotate(5deg);
 }
 
 .feature-card h3 {
@@ -685,6 +800,22 @@
     font-size: 1.2rem;
   }
 
+  .hero-feature-card {
+    padding: 2rem;
+  }
+
+  .hero-feature-icon {
+    font-size: 3rem;
+  }
+
+  .hero-feature-card h3 {
+    font-size: 1.5rem;
+  }
+
+  .hero-feature-card p {
+    font-size: 1rem;
+  }
+
   .about-content {
     grid-template-columns: 1fr;
   }
@@ -726,4 +857,20 @@
   .section-title {
     font-size: 2rem;
   }
+
+  .hero-feature-card {
+    padding: 1.5rem;
+  }
+
+  .hero-feature-icon {
+    font-size: 2.5rem;
+  }
+
+  .hero-feature-card h3 {
+    font-size: 1.25rem;
+  }
+
+  .hero-feature-card p {
+    font-size: 0.95rem;
+  }
 }
diff --git a/src/App.jsx b/src/App.jsx
index af228b4..1bead99 100644
--- a/src/App.jsx
+++ b/src/App.jsx
@@ -69,36 +69,41 @@ function App() {
       <section id="features" className="features">
         <div className="container">
           <h2 className="section-title">Key Features</h2>
-          <div className="features-grid">
-            <div className="feature-card">
-              <div className="feature-icon">🧩</div>
-              <h3>Stylometric DNA</h3>
+          
+          {/* Hero Feature - Hybrid ML Architecture */}
+          <div className="hero-feature">
+            <div className="hero-feature-card">
+              <div className="hero-feature-icon">🧠</div>
+              <h3>Hybrid ML Architecture</h3>
               <p>
-                Analyzes linguistic patterns including sentence rhythm, lexical diversity, and syntactic depth.
+                Fuses neural networks with linguistic intelligence for real-time, interpretable results.
               </p>
             </div>
-            
+          </div>
+
+          {/* Supporting Features Grid */}
+          <div className="features-grid">
             <div className="feature-card">
-              <div className="feature-icon">🧠</div>
-              <h3>Hybrid ML Architecture</h3>
+              <div className="feature-icon">🧩</div>
+              <h3>StyloMetric DNA</h3>
               <p>
-                Combines 1D-CNN pattern recognition with Random Forest explainability for transparent results.
+                Maps sentence rhythm and lexical depth to identify unique writing patterns.
               </p>
             </div>
             
             <div className="feature-card">
-              <div className="feature-icon">🚀</div>
-              <h3>97%+ Accuracy</h3>
+              <div className="feature-icon">🔍</div>
+              <h3>Explainable AI</h3>
               <p>
-                &lt;100ms latency with zero GPU requirements. Lightweight for browsers, powerful for enterprise.
+                Provides measurable metrics for every prediction, ensuring transparency.
               </p>
             </div>
             
             <div className="feature-card">
-              <div className="feature-icon">🔍</div>
-              <h3>Explainable Results</h3>
+              <div className="feature-icon">🚀</div>
+              <h3>Real-Time Accuracy</h3>
               <p>
-                Every prediction backed by measurable linguistic signals. Complete transparency, no black boxes.
+                97%+ verified precision, &lt;100 ms latency, CPU-only runtime.
               </p>
             </div>
           </div>

From 3d667bf66c80f1cd77cc008e378ba6be4e75041f Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Sun, 9 Nov 2025 09:35:51 +0000
Subject: [PATCH 3/3] Implement Split Narrative layout pattern with alternating
 left-right sections

Co-authored-by: haoqi-shen <145812960+haoqi-shen@users.noreply.github.com>
---
 src/App.css | 281 ++++++++++++++++++++++++++++++++--------------------
 src/App.jsx |  99 ++++++++++++------
 2 files changed, 240 insertions(+), 140 deletions(-)

diff --git a/src/App.css b/src/App.css
index 877e13d..a6997fb 100644
--- a/src/App.css
+++ b/src/App.css
@@ -209,146 +209,176 @@
   font-weight: 400;
 }
 
-/* Hero Feature - Highlighted Main Feature */
-.hero-feature {
+/* Split Narrative Layout - Alternating Left/Right */
+.split-narrative {
+  margin-top: 4rem;
   display: flex;
-  justify-content: center;
-  margin: 3rem 0 2.5rem;
-  animation: fadeInUp 0.6s ease-out;
+  flex-direction: column;
+  gap: 0;
+}
+
+.narrative-row {
+  display: grid;
+  grid-template-columns: 1fr 1fr;
+  gap: 4rem;
+  align-items: center;
+  padding: 4rem 0;
+  opacity: 0;
+  animation: fadeInLeft 0.8s ease-out forwards;
+}
+
+.narrative-row:nth-child(1) {
+  animation-delay: 0.1s;
+}
+
+.narrative-row:nth-child(2) {
+  animation-delay: 0.3s;
+}
+
+.narrative-row:nth-child(3) {
+  animation-delay: 0.5s;
 }
 
-@keyframes fadeInUp {
+.narrative-row:nth-child(4) {
+  animation-delay: 0.7s;
+}
+
+/* Reverse layout for alternating pattern */
+.narrative-row.reverse {
+  animation: fadeInRight 0.8s ease-out forwards;
+}
+
+.narrative-row.reverse:nth-child(2) {
+  animation-delay: 0.3s;
+}
+
+.narrative-row.reverse:nth-child(4) {
+  animation-delay: 0.7s;
+}
+
+@keyframes fadeInLeft {
   from {
     opacity: 0;
-    transform: translateY(20px);
+    transform: translateX(-40px);
   }
   to {
     opacity: 1;
-    transform: translateY(0);
+    transform: translateX(0);
   }
 }
 
-.hero-feature-card {
-  max-width: 700px;
-  width: 100%;
-  padding: 3rem;
-  background: white;
-  border-radius: 12px;
-  text-align: center;
-  border: 2px solid #e5e7eb;
-  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
-  transition: all 0.3s ease;
-  position: relative;
-  overflow: hidden;
-}
-
-.hero-feature-card::before {
-  content: '';
-  position: absolute;
-  top: 0;
-  left: 0;
-  right: 0;
-  height: 4px;
-  background: linear-gradient(90deg, #111827, #4b5563, #111827);
+@keyframes fadeInRight {
+  from {
+    opacity: 0;
+    transform: translateX(40px);
+  }
+  to {
+    opacity: 1;
+    transform: translateX(0);
+  }
 }
 
-.hero-feature-card:hover {
-  transform: translateY(-4px);
-  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
-  border-color: #d1d5db;
+/* Content Section */
+.narrative-content {
+  padding: 2rem;
 }
 
-.hero-feature-icon {
-  font-size: 4rem;
+.narrative-icon {
+  font-size: 3.5rem;
   margin-bottom: 1.5rem;
   display: inline-block;
-  animation: pulse 2s ease-in-out infinite;
+  transition: transform 0.3s ease;
 }
 
-@keyframes pulse {
-  0%, 100% {
-    transform: scale(1);
-  }
-  50% {
-    transform: scale(1.05);
-  }
+.narrative-row:hover .narrative-icon {
+  transform: scale(1.1) rotate(5deg);
 }
 
-.hero-feature-card h3 {
-  font-size: 1.75rem;
+.narrative-content h3 {
+  font-size: 2rem;
   margin-bottom: 1rem;
   color: #111827;
   font-weight: 700;
   letter-spacing: -0.02em;
+  line-height: 1.2;
 }
 
-.hero-feature-card p {
+.narrative-content p {
   color: #6b7280;
   line-height: 1.7;
   font-size: 1.1rem;
-  max-width: 600px;
-  margin: 0 auto;
-}
-
-/* Supporting Features Grid */
-.features-grid {
-  display: grid;
-  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
-  gap: 2rem;
-  margin-top: 3rem;
+  max-width: 500px;
 }
 
-.feature-card {
+/* Visual Section */
+.narrative-visual {
+  display: flex;
+  justify-content: center;
+  align-items: center;
   padding: 2rem;
-  background: white;
-  border-radius: 10px;
-  transition: all 0.3s ease;
-  border: 1px solid #e5e7eb;
-  animation: fadeInUp 0.6s ease-out;
-  animation-fill-mode: both;
 }
 
-.feature-card:nth-child(1) {
-  animation-delay: 0.1s;
+.visual-placeholder {
+  width: 100%;
+  max-width: 400px;
+  aspect-ratio: 1;
+  background: linear-gradient(135deg, #f3f4f6 0%, #e5e7eb 100%);
+  border-radius: 20px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  border: 2px solid #e5e7eb;
+  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
+  transition: all 0.4s ease;
+  position: relative;
+  overflow: hidden;
 }
 
-.feature-card:nth-child(2) {
-  animation-delay: 0.2s;
+.visual-placeholder::before {
+  content: '';
+  position: absolute;
+  top: -50%;
+  left: -50%;
+  width: 200%;
+  height: 200%;
+  background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.3) 50%, transparent 70%);
+  animation: shimmer 3s infinite;
 }
 
-.feature-card:nth-child(3) {
-  animation-delay: 0.3s;
+@keyframes shimmer {
+  0% {
+    transform: translateX(-100%) translateY(-100%);
+  }
+  100% {
+    transform: translateX(100%) translateY(100%);
+  }
 }
 
-.feature-card:hover {
-  transform: translateY(-6px);
-  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
+.narrative-row:hover .visual-placeholder {
+  transform: scale(1.05);
+  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1);
   border-color: #d1d5db;
 }
 
-.feature-icon {
-  font-size: 2.5rem;
-  margin-bottom: 1.25rem;
-  display: inline-block;
-  transition: transform 0.3s ease;
+.visual-decoration {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  width: 100%;
+  height: 100%;
+  position: relative;
+  z-index: 1;
 }
 
-.feature-card:hover .feature-icon {
-  transform: scale(1.1) rotate(5deg);
+.decoration-icon {
+  font-size: 6rem;
+  opacity: 0.3;
+  transition: all 0.3s ease;
 }
 
-.feature-card h3 {
-  font-size: 1.25rem;
-  margin-bottom: 0.75rem;
-  color: #111827;
-  font-weight: 600;
-  letter-spacing: -0.01em;
-}
-
-.feature-card p {
-  color: #6b7280;
-  line-height: 1.6;
-  font-size: 0.95rem;
+.narrative-row:hover .decoration-icon {
+  opacity: 0.5;
+  transform: scale(1.1);
 }
 
 /* About Section */
@@ -800,31 +830,56 @@
     font-size: 1.2rem;
   }
 
-  .hero-feature-card {
-    padding: 2rem;
+  /* Split Narrative Mobile Layout */
+  .narrative-row {
+    grid-template-columns: 1fr;
+    gap: 2rem;
+    padding: 3rem 0;
   }
 
-  .hero-feature-icon {
-    font-size: 3rem;
+  .narrative-row.reverse {
+    grid-template-columns: 1fr;
+  }
+
+  .narrative-row.reverse .narrative-visual {
+    order: 1;
   }
 
-  .hero-feature-card h3 {
+  .narrative-row.reverse .narrative-content {
+    order: 2;
+  }
+
+  .narrative-content {
+    padding: 1rem;
+    text-align: center;
+  }
+
+  .narrative-content h3 {
     font-size: 1.5rem;
   }
 
-  .hero-feature-card p {
+  .narrative-content p {
     font-size: 1rem;
+    max-width: 100%;
   }
 
-  .about-content {
-    grid-template-columns: 1fr;
+  .narrative-icon {
+    font-size: 3rem;
   }
 
-  .demo-container {
+  .visual-placeholder {
+    max-width: 300px;
+  }
+
+  .decoration-icon {
+    font-size: 4rem;
+  }
+
+  .about-content {
     grid-template-columns: 1fr;
   }
 
-  .features-grid {
+  .demo-container {
     grid-template-columns: 1fr;
   }
 
@@ -858,19 +913,27 @@
     font-size: 2rem;
   }
 
-  .hero-feature-card {
-    padding: 1.5rem;
+  .narrative-row {
+    padding: 2rem 0;
   }
 
-  .hero-feature-icon {
+  .narrative-content h3 {
+    font-size: 1.25rem;
+  }
+
+  .narrative-content p {
+    font-size: 0.95rem;
+  }
+
+  .narrative-icon {
     font-size: 2.5rem;
   }
 
-  .hero-feature-card h3 {
-    font-size: 1.25rem;
+  .visual-placeholder {
+    max-width: 250px;
   }
 
-  .hero-feature-card p {
-    font-size: 0.95rem;
+  .decoration-icon {
+    font-size: 3rem;
   }
 }
diff --git a/src/App.jsx b/src/App.jsx
index 1bead99..42ffacb 100644
--- a/src/App.jsx
+++ b/src/App.jsx
@@ -70,41 +70,78 @@ function App() {
         <div className="container">
           <h2 className="section-title">Key Features</h2>
           
-          {/* Hero Feature - Hybrid ML Architecture */}
-          <div className="hero-feature">
-            <div className="hero-feature-card">
-              <div className="hero-feature-icon">🧠</div>
-              <h3>Hybrid ML Architecture</h3>
-              <p>
-                Fuses neural networks with linguistic intelligence for real-time, interpretable results.
-              </p>
+          {/* Split Narrative Layout - Alternating Left/Right */}
+          <div className="split-narrative">
+            {/* Feature 1 - Left Content, Right Visual */}
+            <div className="narrative-row">
+              <div className="narrative-content">
+                <div className="narrative-icon">🧩</div>
+                <h3>StyloMetric DNA</h3>
+                <p>
+                  Maps sentence rhythm and lexical depth to identify unique writing patterns.
+                </p>
+              </div>
+              <div className="narrative-visual">
+                <div className="visual-placeholder">
+                  <div className="visual-decoration">
+                    <span className="decoration-icon">📊</span>
+                  </div>
+                </div>
+              </div>
             </div>
-          </div>
 
-          {/* Supporting Features Grid */}
-          <div className="features-grid">
-            <div className="feature-card">
-              <div className="feature-icon">🧩</div>
-              <h3>StyloMetric DNA</h3>
-              <p>
-                Maps sentence rhythm and lexical depth to identify unique writing patterns.
-              </p>
+            {/* Feature 2 - Right Content, Left Visual */}
+            <div className="narrative-row reverse">
+              <div className="narrative-visual">
+                <div className="visual-placeholder">
+                  <div className="visual-decoration">
+                    <span className="decoration-icon">🧠</span>
+                  </div>
+                </div>
+              </div>
+              <div className="narrative-content">
+                <div className="narrative-icon">🤖</div>
+                <h3>Hybrid ML Architecture</h3>
+                <p>
+                  Fuses neural networks with linguistic intelligence for real-time, interpretable results.
+                </p>
+              </div>
             </div>
-            
-            <div className="feature-card">
-              <div className="feature-icon">🔍</div>
-              <h3>Explainable AI</h3>
-              <p>
-                Provides measurable metrics for every prediction, ensuring transparency.
-              </p>
+
+            {/* Feature 3 - Left Content, Right Visual */}
+            <div className="narrative-row">
+              <div className="narrative-content">
+                <div className="narrative-icon">🔍</div>
+                <h3>Explainable AI</h3>
+                <p>
+                  Provides measurable metrics for every prediction, ensuring transparency.
+                </p>
+              </div>
+              <div className="narrative-visual">
+                <div className="visual-placeholder">
+                  <div className="visual-decoration">
+                    <span className="decoration-icon">📈</span>
+                  </div>
+                </div>
+              </div>
             </div>
-            
-            <div className="feature-card">
-              <div className="feature-icon">🚀</div>
-              <h3>Real-Time Accuracy</h3>
-              <p>
-                97%+ verified precision, &lt;100 ms latency, CPU-only runtime.
-              </p>
+
+            {/* Feature 4 - Right Content, Left Visual */}
+            <div className="narrative-row reverse">
+              <div className="narrative-visual">
+                <div className="visual-placeholder">
+                  <div className="visual-decoration">
+                    <span className="decoration-icon">⚡</span>
+                  </div>
+                </div>
+              </div>
+              <div className="narrative-content">
+                <div className="narrative-icon">🚀</div>
+                <h3>Real-Time Accuracy</h3>
+                <p>
+                  97%+ verified precision, &lt;100 ms latency, CPU-only runtime.
+                </p>
+              </div>
             </div>
           </div>
         </div>