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<!DOCTYPE html>
<html lang="en" class="scroll-smooth">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Kapil Meena | PhD Researcher | Sustainable Mobility & Air Quality</title>
<meta name="description" content="Kapil Meena — Final-year PhD researcher at IIT Kharagpur specializing in travel behaviour, sustainable mobility, air quality exposure, and data-driven urban analytics." />
<meta property="og:title" content="Kapil Meena | PhD Researcher | Sustainable Mobility & Air Quality" />
<meta property="og:description" content="Kapil Meena — Final-year PhD researcher at IIT Kharagpur specializing in travel behaviour, sustainable mobility, air quality exposure, and data-driven urban analytics." />
<meta property="og:image" content="https://raw.githubusercontent.com/kapil2020/web/main/kp_1.png" />
<meta property="og:url" content="https://kapilmeena.com" />
<!-- Fonts -->
<link rel="preconnect" href="https://fonts.googleapis.com">
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
<link href="https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap" rel="stylesheet">
<!-- Icons -->
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css" />
<!-- Tailwind CSS -->
<script src="https://cdn.tailwindcss.com"></script>
<script>
tailwind.config = {
darkMode: 'class', // Note: Changed to 'class' for manual toggle
theme: {
extend: {
fontFamily: {
sans: ['Inter', 'sans-serif'],
},
colors: {
// NEW: Updated to read CSS variables for dynamic palettes
primary: {
50: 'hsl(var(--color-primary-50) / <alpha-value>)',
100: 'hsl(var(--color-primary-100) / <alpha-value>)',
200: 'hsl(var(--color-primary-200) / <alpha-value>)',
300: 'hsl(var(--color-primary-300) / <alpha-value>)',
400: 'hsl(var(--color-primary-400) / <alpha-value>)',
500: 'hsl(var(--color-primary-500) / <alpha-value>)',
600: 'hsl(var(--color-primary-600) / <alpha-value>)',
700: 'hsl(var(--color-primary-700) / <alpha-value>)',
800: 'hsl(var(--color-primary-800) / <alpha-value>)',
900: 'hsl(var(--color-primary-900) / <alpha-value>)',
}
},
boxShadow: {
'soft': '0 10px 30px -12px rgba(0,0,0,0.25)',
'modern': '0 20px 40px rgba(0,0,0,0.1), 0 5px 15px rgba(0,0,0,0.05)'
},
animation: {
'fade-in': 'fadeIn 0.8s ease-out forwards',
'slide-up': 'slideUp 0.6s ease-out forwards',
'float': 'float 6s ease-in-out infinite',
'pulse-slow': 'pulse 3s cubic-bezier(0.4, 0, 0.6, 1) infinite',
'blob': 'blob 7s infinite',
'tilt': 'tilt 10s infinite linear',
},
keyframes: {
fadeIn: {
'0%': { opacity: '0', transform: 'translateY(20px)' },
'100%': { opacity: '1', transform: 'translateY(0)' }
},
slideUp: {
'0%': { opacity: '0', transform: 'translateY(30px)' },
'100%': { opacity: '1', transform: 'translateY(0)' }
},
float: {
'0%, 100%': { transform: 'translateY(0px)' },
'50%': { transform: 'translateY(-10px)' }
},
blob: {
'0%': { transform: 'translate(0px, 0px) scale(1)' },
'33%': { transform: 'translate(30px, -50px) scale(1.1)' },
'66%': { transform: 'translate(-20px, 20px) scale(0.9)' },
'100%': { transform: 'translate(0px, 0px) scale(1)' }
},
tilt: {
'0%, 100%': { transform: 'rotate(0deg)' },
'25%': { transform: 'rotate(1deg)' },
'50%': { transform: 'rotate(0eg)' },
'75%': { transform: 'rotate(-1deg)' },
}
}
}
}
}
</script>
<!-- Favicon -->
<link rel="icon" type="image/svg+xml" href="data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'><text y='.9em' font-size='90'>🚀</text></svg>">
<!-- Custom Styles -->
<style>
/* NEW: Color Palette Definitions */
:root, [data-palette="blue"] {
/* Blue (Original) */
--color-primary-50: 207 90% 96%;
--color-primary-100: 204 94% 94%;
--color-primary-200: 202 96% 87%;
--color-primary-300: 200 97% 79%;
--color-primary-400: 197 93% 66%;
--color-primary-500: 196 89% 51%;
--color-primary-600: 198 98% 39%;
--color-primary-700: 200 97% 31%;
--color-primary-800: 202 91% 27%;
--color-primary-900: 203 81% 23%;
}
[data-palette="green"] {
--color-primary-50: 138 95% 96%;
--color-primary-100: 136 81% 91%;
--color-primary-200: 135 72% 82%;
--color-primary-300: 136 65% 69%;
--color-primary-400: 138 58% 51%;
--color-primary-500: 140 70% 40%;
--color-primary-600: 142 76% 32%;
--color-primary-700: 144 72% 27%;
--color-primary-800: 145 66% 23%;
--color-primary-900: 147 62% 19%;
}
[data-palette="purple"] {
--color-primary-50: 265 89% 97%;
--color-primary-100: 265 92% 94%;
--color-primary-200: 264 91% 88%;
--color-primary-300: 263 90% 80%;
--color-primary-400: 262 88% 70%;
--color-primary-500: 262 83% 60%;
--color-primary-600: 263 76% 52%;
--color-primary-700: 264 70% 45%;
--color-primary-800: 265 66% 38%;
--color-primary-900: 266 68% 31%;
}
:root {
--glass-bg: rgba(255, 255, 255, 0.25);
--glass-border: rgba(255, 255, 255, 0.18);
--glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
--glass-backdrop: rgba(255, 255, 255, 0.2);
--glass-spotlight: rgba(255, 255, 255, 0.15);
}
.dark {
--glass-bg: rgba(15, 23, 42, 0.4);
--glass-border: rgba(148, 163, 184, 0.2);
--glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
--glass-backdrop: rgba(15, 23, 42, 0.2);
--glass-spotlight: rgba(255, 255, 255, 0.05);
}
.glass {
background: var(--glass-bg);
-webkit-backdrop-filter: blur(10px);
backdrop-filter: blur(10px);
border: 1px solid var(--glass-border);
box-shadow: var(--glass-shadow);
}
.nav-link.active {
color: hsl(var(--color-primary-600));
}
.dark .nav-link.active {
color: hsl(var(--color-primary-400));
}
.nav-link.active span {
width: 100%;
}
.text-gradient {
background: linear-gradient(135deg, hsl(var(--color-primary-600)), hsl(var(--color-primary-700)), hsl(var(--color-primary-800)));
-webkit-background-clip: text;
-webkit-text-fill-color: transparent;
background-clip: text;
}
.perspective-1000 {
perspective: 1000px;
}
/* === NEW: Modernized Glass Card === */
.glass-card {
padding: 1.5rem; /* p-6 */
border-radius: 1rem; /* rounded-2xl */
transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
position: relative;
overflow: hidden; /* Keep overflow hidden */
height: 100%;
display: flex;
flex-direction: column;
background: var(--glass-bg);
-webkit-backdrop-filter: blur(12px);
backdrop-filter: blur(12px);
border: 1px solid var(--glass-border);
box-shadow: var(--glass-shadow);
}
/* Spotlight effect */
.glass-card::before {
content: '';
position: absolute;
top: 0; left: 0; right: 0; bottom: 0;
background: radial-gradient(300px circle at var(--mouse-x, -300px) var(--mouse-y, -300px),
var(--glass-spotlight), transparent 40%);
opacity: 0;
transition: opacity 0.4s ease, background 0.2s ease;
pointer-events: none;
z-index: 1;
}
/* Gradient border effect */
.glass-card::after {
content: '';
position: absolute;
/* Inset by 0 to align with border-box */
top: 0; left: 0; right: 0; bottom: 0;
background: linear-gradient(135deg,
hsl(var(--color-primary-500) / 0.3),
hsl(var(--color-primary-400) / 0.1),
hsl(var(--color-primary-500) / 0.3));
border-radius: 1rem; /* Match parent */
z-index: 0; /* Behind content */
opacity: 0;
transition: opacity 0.4s ease, background 0.2s ease;
pointer-events: none;
}
.glass-card:hover::before {
opacity: 1;
}
.glass-card:hover::after {
opacity: 1;
}
.glass-card:hover {
transform: translateY(-6px);
box-shadow: 0 20px 40px rgba(0,0,0,0.1), 0 5px 15px rgba(0,0,0,0.05);
border-color: rgba(255, 255, 255, 0.3);
}
.dark .glass-card:hover {
border-color: hsl(var(--color-primary-500) / 0.2);
}
/* Ensure content is above pseudo-elements */
.glass-card-content, .glass-card > a {
position: relative;
z-index: 2;
}
/* === END: Modernized Glass Card === */
.scrollbar-thin::-webkit-scrollbar {
width: 6px;
}
.scrollbar-thin::-webkit-scrollbar-track {
background: rgba(0,0,0,0.1);
}
.scrollbar-thin::-webkit-scrollbar-thumb {
background: hsl(var(--color-primary-600) / 0.5);
border-radius: 3px;
}
.scrollbar-thin::-webkit-scrollbar-thumb:hover {
background: hsl(var(--color-primary-600) / 0.7);
}
@media (max-width: 768px) {
.glass-card:hover {
transform: translateY(-4px);
}
}
.metric-card {
background: linear-gradient(135deg, var(--glass-bg), var(--glass-backdrop));
transition: all 0.4s ease;
}
.metric-card:hover {
transform: translateY(-10px) scale(1.02);
background: linear-gradient(135deg, var(--glass-bg), hsl(var(--color-primary-600) / 0.1));
}
.publication-timeline {
position: relative;
padding-left: 2rem;
}
.publication-timeline::before {
content: '';
position: absolute;
left: 0.75rem;
top: 0;
bottom: 0;
width: 2px;
background: linear-gradient(to bottom, hsl(var(--color-primary-500)), hsl(var(--color-primary-600)));
}
.timeline-item {
position: relative;
margin-bottom: 2rem;
}
.timeline-item::before {
content: '';
position: absolute;
left: -3rem; /* Adjusted from -3rem */
top: 0.5rem;
width: 12px;
height: 12px;
background: hsl(var(--color-primary-500));
border-radius: 50%;
border: 3px solid white;
box-shadow: 0 0 0 3px hsl(var(--color-primary-500));
}
.fade-in-up {
opacity: 0;
transform: translateY(30px);
transition: all 0.6s ease;
}
.fade-in-up.visible {
opacity: 1;
transform: translateY(0);
}
.line-clamp-2 {
display: -webkit-box;
-webkit-line-clamp: 2;
-webkit-box-orient: vertical;
overflow: hidden;
}
.line-clamp-3 {
display: -webkit-box;
-webkit-line-clamp: 3;
-webkit-box-orient: vertical;
overflow: hidden;
}
.animate-blob {
animation: blob 7s infinite;
}
.animation-delay-2000 { animation-delay: 2s; }
.animation-delay-4000 { animation-delay: 4s; }
@media (prefers-reduced-motion: reduce) {
*, *::before, *::after {
animation-duration: 0.01ms !important;
animation-iteration-count: 1 !important;
transition-duration: 0.01ms !important;
scroll-behavior: auto !important;
}
}
/* Particle background */
#particles {
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 100%;
z-index: -1;
pointer-events: none;
}
/* === START: NEW STYLES FROM PUBLICATIONS FILE === */
.no-scrollbar::-webkit-scrollbar{display:none}
.no-scrollbar{-ms-overflow-style:none;scrollbar-width:none}
.fade-in{animation:fadeIn .35s ease-out both}
@keyframes fadeIn{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}
.year-sticky{position:sticky;top:4rem;z-index:10}
/* This rule was duplicated, which is fine */
.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
/* Publication item styles */
.publication-item {
transition: all 0.5s ease-out;
}
.publication-item.hidden {
opacity: 0;
transform: scale(0.95);
max-height: 0;
padding-top: 0;
padding-bottom: 0;
margin-bottom: 0;
overflow: hidden;
}
/* Button styles from new JS, moved here */
.btn{display:inline-flex;align-items:center;gap:.4rem;padding:.35rem .65rem;border-radius:.65rem;border:1px solid rgb(203 213 225/1);background:rgb(248 250 252/1);color:inherit;font-size:.8rem}
.dark .btn{border-color:rgb(30 41 59/1);background:rgb(15 23 42/0.4)}
.btn:hover{background:rgb(241 245 249/1)}
.dark .btn:hover{background:rgb(30 41 59/1)}
.btn-link {
@apply text-xs font-semibold text-gray-600 dark:text-gray-400 border border-gray-300 dark:border-gray-600 rounded-full px-3 py-1 hover:bg-gray-100 dark:hover:bg-gray-700 hover:border-gray-400 dark:hover:border-gray-500 transition-all;
}
.btn-link-doi {
@apply text-xs font-semibold text-primary-600 dark:text-primary-400 border border-primary-300 dark:border-primary-600 rounded-full px-3 py-1 hover:bg-primary-50 dark:hover:bg-primary-900/30 hover:border-primary-400 dark:hover:border-primary-500 transition-all;
}
.pub-tag {
@apply inline-block bg-primary-600 text-white text-xs font-bold px-3 py-1 rounded-full uppercase tracking-wide;
}
.conf-tag {
@apply inline-block bg-purple-600 text-white text-xs font-bold px-3 py-1 rounded-full uppercase tracking-wide;
}
/* === END: NEW STYLES === */
</style>
</head>
<body class="font-sans bg-white dark:bg-gray-900 text-gray-900 dark:text-gray-100 antialiased overflow-x-hidden">
<!-- Particles Background -->
<canvas id="particles"></canvas>
<!-- Loading Screen -->
<div id="loading-screen" class="fixed inset-0 bg-white dark:bg-gray-900 z-50 flex items-center justify-center transition-opacity duration-1000">
<div class="text-center">
<div class="w-16 h-16 border-4 border-primary-200 dark:border-primary-800 border-t-primary-600 rounded-full animate-spin mx-auto mb-4"></div>
<div class="space-y-2">
<div class="h-1 bg-primary-600 rounded-full mx-4 animate-pulse"></div>
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<h1 class="text-xl font-bold bg-clip-text text-transparent bg-gradient-to-r from-gray-900 to-primary-600 dark:from-white dark:to-primary-400">Kapil Meena</h1>
<p class="text-xs text-gray-600 dark:text-gray-400 font-medium">PhD | IIT Kharagpur</p>
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<h1 class="text-4xl sm:text-5xl md:text-6xl lg:text-7xl font-black leading-tight">
<span class="block text-gray-900 dark:text-white">Kapil</span>
<span class="block text-transparent bg-clip-text bg-gradient-to-r from-primary-600 via-blue-600 to-cyan-600">Meena</span>
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<span class="inline-flex items-center px-3 py-1 rounded-full text-primary-700 bg-primary-100 dark:bg-primary-900/30 dark:text-primary-300 font-medium transition-colors duration-500">
<i class="fas fa-graduation-cap mr-1.5"></i> PhD Candidate, IIT Kharagpur
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<i class="fas fa-certificate mr-1.5"></i> MTech, IIT Roorkee
</span>
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<p class="text-xl md:text-2xl text-gray-600 dark:text-gray-300 max-w-3xl mx-auto leading-relaxed">
Pioneering sustainable urban mobility through data-driven insights on travel behavior, air quality exposure, and green routing. Seeking to apply this research in a challenging postdoctoral role.
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<span data-target="123">0</span>+
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<span data-target="12">0</span>+
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<div class="text-sm text-gray-600 dark:text-gray-400 mt-1">Conferences</div>
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<p class="text-xl text-gray-600 dark:text-gray-400 max-w-3xl mx-auto fade-in-up" data-aos-delay="100">Driving sustainable mobility with 7+ years of data-driven research</p>
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I am a transportation researcher with <strong class="font-semibold text-primary-700 dark:text-primary-400 transition-colors duration-500">7+ years of experience</strong> in sustainable mobility, travel behavior analysis, and learning-based decision-making for complex urban systems. My goal is to develop <strong class="font-semibold text-primary-700 dark:text-primary-400 transition-colors duration-500">data-driven AI solutions</strong> for improved engineering and social outcomes, creating healthier and more sustainable cities. To this end, my work has resulted in <strong class="font-semibold text-primary-700 dark:text-primary-400 transition-colors duration-500">15+ publications</strong> in top-tier venues, accumulating over 121 citations.
</p>
<p class="text-lg leading-relaxed text-gray-700 dark:text-gray-300">
In my current role as a final-year <strong class="font-semibold text-primary-700 dark:text-primary-400 transition-colors duration-500">PhD Researcher at IIT Kharagpur</strong>, I develop novel approaches using <strong class="font-semibold text-primary-700 dark:text-primary-400 transition-colors duration-500">Machine Learning</strong> and <strong class="font-semibold text-primary-700 dark:text-primary-400 transition-colors duration-500">discrete choice models</strong> to understand and influence travel decisions. This research has produced tangible tools, like the DRUM web app, which empowers commuters to make pollution-aware routing choices.
</p>
<p class="text-lg leading-relaxed text-gray-700 dark:text-gray-300">
My foundational research during my MTech at IIT Roorkee focused on developing fundamental insights into commuter air quality exposure and effective algorithms for road safety. I am now actively seeking a <strong class="font-semibold text-primary-700 dark:text-primary-400 transition-colors duration-500">postdoctoral opportunity</strong> to apply my expertise in data science and behavioral modeling to solve challenging problems in autonomous systems, human-AI interaction in transport, or large-scale mobility networks.
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<!-- Key Expertise Block -->
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<h4 class="text-xl font-semibold text-gray-800 dark:text-gray-200 mb-3">Key Expertise:</h4>
<div class="flex flex-wrap gap-3">
<span class="bg-primary-100 dark:bg-primary-900/30 px-4 py-2 rounded-full text-primary-800 dark:text-primary-200 font-medium transition-colors duration-500">Travel Behavior Modeling</span>
<span class="bg-green-100 dark:bg-green-900/30 px-4 py-2 rounded-full text-green-800 dark:text-green-200 font-medium">Machine Learning</span>
<span class="bg-yellow-100 dark:bg-yellow-900/30 px-4 py-2 rounded-full text-yellow-800 dark:text-yellow-200 font-medium">Air Quality Exposure</span>
<span class="bg-purple-100 dark:bg-purple-900/30 px-4 py-2 rounded-full text-purple-800 dark:text-purple-200 font-medium">Big Data Analysis</span>
<span class="bg-red-100 dark:bg-red-900/30 px-4 py-2 rounded-full text-red-800 dark:text-red-200 font-medium">Sustainable Mobility</span>
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<h3 class="font-bold text-xl mb-2">PhD (2022–Present)</h3>
<p class="text-sm text-gray-600 dark:text-gray-400">IIT Kharagpur • Travel Behaviour & Air Quality</p>
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<div class="glass-card fade-in-up" data-aos-delay="400">
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<h3 class="font-bold text-xl mb-2">MTech (2019–2021)</h3>
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<h3 class="font-bold text-xl mb-2">BTech (2015–2019)</h3>
<p class="text-sm text-gray-600 dark:text-gray-400">RTU Kota • Civil Engineering (Honors)</p>
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<h3 class="font-bold text-xl mb-2">Research Consultant (2021)</h3>
<p class="text-sm text-gray-600 dark:text-gray-400">WRI India • Sustainable Urban Mobility</p>
</div>
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<a href="https://scholar.google.com/citations?user=5jIAPTEAAAAJ&hl=en" target="_blank" class="text-primary-600 hover:text-primary-700 dark:text-primary-400 dark:hover:text-primary-300 flex items-center font-medium transition-colors duration-500">
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<i class="fas fa-award mr-1"></i> Seeking Postdoc
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<!-- Research Section -->
<section id="research" class="py-24 bg-white dark:bg-gray-900">
<div class="container mx-auto px-6">
<div class="text-center mb-16">
<h2 class="text-4xl md:text-5xl font-black mb-4 fade-in-up">Research Focus</h2>
<p class="text-xl text-gray-600 dark:text-gray-400 max-w-3xl mx-auto fade-in-up" data-aos-delay="100">Decoding complex mobility choices for greener, healthier cities</p>
</div>
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<!-- Card 1 -->
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<i class="fas fa-lungs text-primary-600 text-4xl mb-4 transition-colors duration-500"></i>
<h3 class="font-bold text-2xl mb-4">Air Quality Exposure</h3>
<p class="text-gray-600 dark:text-gray-400">Modeling the invisible: Quantifying how air quality impacts your travel decisions. </p>
</div>
<a href="https://www.sciencedirect.com/science/article/pii/S2212095521001310" class="mt-4 inline-block text-primary-600 hover:text-primary-700 dark:text-primary-400 font-medium transition-colors duration-500">View Studies <i class="fas fa-arrow-right ml-1"></i></a>
</div>
<!-- Card 2 -->
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<div class="glass-card fade-in-up" data-aos-delay="200">
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<i class="fas fa-route text-green-600 text-4xl mb-4"></i>
<h3 class="font-bold text-2xl mb-4">Sustainable Routing</h3>
<p class="text-gray-600 dark:text-gray-400">From data to decision: The DRUM app for real-time, pollution-aware route planning.</p>
</div>
<a href="https://leap-routing-iitkgp.vercel.app/" target="_blank" class="mt-4 inline-block text-green-600 hover:text-green-700 dark:text-green-400 font-medium">Demo App <i class="fas fa-external-link-alt ml-1"></i></a>
</div>
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<div class="glass-card fade-in-up" data-aos-delay="250">
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<i class="fas fa-chart-line text-purple-600 text-4xl mb-4"></i>
<h3 class="font-bold text-2xl mb-4">Travel Behavior Modeling</h3>
<p class="text-gray-600 dark:text-gray-400">Decoding decisions: Using discrete choice models to promote cycling and optimize urban development.</p>
</div>
<a href="https://survey-iitkgp.vercel.app/" class="mt-4 inline-block text-purple-600 hover:text-purple-700 dark:text-purple-400 font-medium">See the Survey<i class="fas fa-arrow-right ml-1"></i></a>
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<h3 class="font-bold text-2xl mb-4">Big Data Analysis</h3>
<p class="text-gray-600 dark:text-gray-400">Handling large-scale spatial and temporal datasets to uncover hidden mobility patterns and trends.</p>
</div>
<a href="https://kapil2020.github.io/cycling-dashboard/" class="mt-4 inline-block text-red-600 hover:text-red-700 dark:text-red-400 font-medium">View Tools <i class="fas fa-arrow-right ml-1"></i></a>
</div>
<!-- Card 5 -->
<!-- UPDATED: Removed p-8 and rounded-2xl -->
<div class="glass-card fade-in-up" data-aos-delay="350">
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<i class="fas fa-brain text-yellow-600 text-4xl mb-4"></i>
<h3 class="font-bold text-2xl mb-4">Machine Learning</h3>
<p class="text-gray-600 dark:text-gray-400">Applying ML for predictive modeling, from landslide prediction to identifying travel behavior drivers.</p>
</div>
<a href="https://www.sciencedirect.com/science/article/pii/S2772662224000638" class="mt-4 inline-block text-yellow-600 hover:text-yellow-700 dark:text-yellow-400 font-medium">See Projects <i class="fas fa-arrow-right ml-1"></i></a>
</div>
<!-- Card 6 -->
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<div class="glass-card fade-in-up" data-aos-delay="400">
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<i class="fas fa-bicycle text-blue-600 text-4xl mb-4"></i>
<h3 class="font-bold text-2xl mb-4">Active Mobility</h3>
<p class="text-gray-600 dark:text-gray-400">Analyzing and promoting walking and cycling through health impact assessment and choice modeling.</p>
</div>
<a href="https://www.tandfonline.com/doi/full/10.1080/15568318.2025.2572818" class="mt-4 inline-block text-blue-600 hover:text-blue-700 dark:text-blue-400 font-medium">See Papers <i class="fas fa-arrow-right ml-1"></i></a>
</div>
</div>
<!-- Key Research Areas Timeline -->
<div class="mt-20">
<h3 class="text-2xl font-bold mb-12 text-center fade-in-up">Research Journey</h3>
<div class="publication-timeline max-w-4xl mx-auto">
<div class="timeline-item fade-in-up">
<h4 class="font-bold text-xl">2026 (Future Work): Advanced Behavioral Models</h4>
<p class="text-gray-600 dark:text-gray-400">Work accepted at TRB 2026 (and publication at TRR also), using hybrid latent class models to prove "not all travellers think alike" in pollution avoidance.</p>
</div>
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<h4 class="font-bold text-xl">2025 (Tool Development): The DRUM App</h4>
<p class="text-gray-600 dark:text-gray-400">Developed and presented the DRUM web app for dynamic green routing at TRB. This work was featured in *The Hindu* and published in *TRR*.</p>
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<h4 class="font-bold text-xl">2024 (Synthesizing Behavior & Policy)</h4>
<p class="text-gray-600 dark:text-gray-400">Published major reviews and analyses in **Transport Policy* and *Urban Climate*, connecting air quality awareness to travel behavior and the impacts of Transit-Oriented Development (TOD).</p>
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<h4 class="font-bold text-xl">2023 (Model Deep-Dive):</h4>
<p class="text-gray-600 dark:text-gray-400">Presented a systematic review on air pollution & travel behavior at WCTR, Montreal. Published key work in *Journal of Transport Geography* prioritizing TOD corridors using MCDM.</p>
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<h4 class="font-bold text-xl">2022 (PhD Begins): Behavioral Focus</h4>
<p class="text-gray-600 dark:text-gray-400">Began PhD at IIT Kharagpur, shifting focus to behavioral modeling. Explored commuter perceptions of air quality in Delhi, presented at TRB.</p>
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<h4 class="font-bold text-xl">2019-2021 (MTech Focus): Exposure & Safety</h4>
<p class="text-gray-600 dark:text-gray-400">Started at IIT Roorkee, analyzing commuter exposure in different modes (*Urban Climate*) and developing methodologies for road safety blackspot identification (*TRP-D*).</p>
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<p class="text-xl text-gray-600 dark:text-gray-400 max-w-3xl mx-auto fade-in-up" data-aos-delay="100">From theory to reality: Projects driving real-world impact</p>
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<!-- Project 1 -->
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<h3 class="font-bold text-xl mb-3">DRUM Web App</h3>
<p class="text-gray-600 dark:text-gray-400 line-clamp-2">Dynamic route planning integrating air pollution and energy efficiency for urban commuters.</p>
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<span class="px-2 py-1 bg-green-100 text-green-800 text-xs rounded-full font-medium">Code</span>
<a href="https://github.com/orgs/clean-route/repositories" target="_blank" class="text-primary-600 hover:underline font-medium transition-colors duration-500">View App <i class="fas fa-external-link-alt ml-1 text-xs"></i></a>
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<h3 class="font-bold text-xl mb-3">TUTEM (ADB-Funded)</h3>
<p class="text-gray-600 dark:text-gray-400 line-clamp-2">Technologies for urban transit enhancement and safe accessibility at IIT Kharagpur.</p>
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<span class="px-2 py-1 bg-blue-100 text-blue-800 text-xs rounded-full font-medium">2024-2025</span>
<a href="https://www.tutem.org/home" class="text-primary-600 hover:underline font-medium transition-colors duration-500" data-modal-trigger="proj-tutem">Details</a>
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<h3 class="font-bold text-xl mb-3">Air Quality Dashboard</h3>
<p class="text-gray-600 dark:text-gray-400 line-clamp-2"> Interactive Streamlit application that visualizes and analyzes air quality data (AQI) across major Indian cities..</p>
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<span class="px-2 py-1 bg-yellow-100 text-yellow-800 text-xs rounded-full font-medium">Live</span>
<a href="https://github.com/kapil2020/india-air-quality-dashboard" target="_blank" class="text-primary-600 hover:underline font-medium transition-colors duration-500">View Paper <i class="fas fa-external-link-alt ml-1 text-xs"></i></a>
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<i class="fas fa-car text-orange-600 text-3xl mb-4"></i>
<h3 class="font-bold text-xl mb-3">MaaS Demand Study</h3>
<p class="text-gray-600 dark:text-gray-400 line-clamp-2">Forecasting demand for Mobility as a Service in Indian contexts.</p>
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<div class="flex justify-between items-center mt-4">
<span class="px-2 py-1 bg-indigo-100 text-indigo-800 text-xs rounded-full font-medium">2022</span>
<a href="https://drive.google.com/file/d/1ljzvRLdij5J9SCCP5NxnIqnH5Ovsq8U7/view?usp=drivesdk" class="text-primary-600 hover:underline font-medium transition-colors duration-500" data-modal-trigger="proj-maas">Report</a>
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<!-- Project 5 -->
<!-- UPDATED: Removed p-6 and rounded-2xl -->
<div class="glass-card fade-in-up" data-aos-delay="600">
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<h3 class="font-bold text-xl mb-3">Bicycle Choice Modeling</h3>
<p class="text-gray-600 dark:text-gray-400 line-clamp-2">Health impacts of first/last-mile cycling to rail stations.</p>
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<div class="flex justify-between items-center mt-4">
<span class="px-2 py-1 bg-red-100 text-red-800 text-xs rounded-full font-medium">2025</span>
<a href="https://www.tandfonline.com/doi/abs/10.1080/15568318.2025.2572818" target="_blank" class="text-primary-600 hover:underline font-medium transition-colors duration-500">View Study <i class="fas fa-external-link-alt ml-1 text-xs"></i></a>
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<h3 class="font-bold text-xl mb-3">School Commute Exposure</h3>
<p class="text-gray-600 dark:text-gray-400 line-clamp-2">Multi-mode air pollution assessment for children in urban environments.</p>
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<span class="px-2 py-1 bg-purple-100 text-purple-800 text-xs rounded-full font-medium">EASTS Accepted</span>
<a href="#" class="text-primary-600 hover:underline font-medium transition-colors duration-500" data-modal-trigger="conf-easts-2025">Abstract</a>
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<span class="flex items-center text-sm text-yellow-500"><i class="fas fa-star mr-1"></i> 4</span>
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<p class="text-gray-600 dark:text-gray-400 line-clamp-3">Source code for the Dynamic Route Planning for Urban Mobility (DRUM) web application, featured in The Hindu.</p>
</div>
<a href="https://github.com/orgs/clean-route/repositories" target="_blank" class="mt-4 inline-block text-primary-600 hover:text-primary-700 dark:text-primary-400 font-medium transition-colors duration-500">View on GitHub <i class="fab fa-github ml-1"></i></a>
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<h3 class="font-bold text-xl">Next day PM 2.5 Prediction</h3>
<span class="flex items-center text-sm text-pink-500"><i class="fas fa-star mr-1"></i> 3</span>
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<p class="text-gray-600 dark:text-gray-400 line-clamp-3">Predicting next-day fine particulate matter (PM₂.₅) concentrations using Machine Learning techniques.</p>
</div>
<a href="https://kapil2020.github.io/global-PM-2.5-next-day-forecasting/" target="_blank" class="mt-4 inline-block text-primary-600 hover:text-primary-700 dark:text-primary-400 font-medium transition-colors duration-500">View on GitHub <i class="fab fa-github ml-1"></i></a>