/* Tea/Coffee Theme Color Palette */
                 
                  :root {
                     --bg-light: #F9F6F0;
                     /* Creamy Milk / Paper */
                     --bg-secondary: #EBE3D5;
                     /* Light Latte */
                     --text-main: #3E2723;
                     /* Dark Espresso / Espresso Brown */
                     --text-muted: #6D4C41;
                     /* Milk Chocolate */
                     --accent-color: #8D6E63;
                     /* Mocha / Caramel */
                     --accent-hover: #5D4037;
                     /* Dark Mocha */
                     --border-color: #D7CCC8;
                     /* Light Coffee Border */
                     --font-heading: 'Lora', serif;
                     --font-body: 'Poppins', sans-serif;
                     --transition: all 0.3s ease;
                 }
                 /* CSS Reset & Base */
                 
                 * {
                     margin: 0;
                     padding: 0;
                     box-sizing: border-box;
                   
                 }
                 
                 body {
                     font-family: var(--font-body);
                     background-color: var(--bg-light);
                     color: var(--text-main);
                     line-height: 1.7;
                     overflow-x: hidden;
                 }
                 
                 h1,
                 h2,
                 h3,
                 h4 {
                     font-family: var(--font-heading);
                     color: var(--text-main);
                 }
                 
                 a {
                     text-decoration: none;
                     color: var(--text-main);
                     transition: var(--transition);
                 }
                 
                 img {
                     max-width: 100%;
                     height: auto;
                     display: block;
                 }
                 
                  ::selection {
                     background-color: var(--accent-color);
                     color: #fff;
                 }
                 /* Custom Scrollbar */
                 
                  ::-webkit-scrollbar {
                     width: 10px;
                 }
                 
                  ::-webkit-scrollbar-track {
                     background: var(--bg-light);
                 }
                 
                  ::-webkit-scrollbar-thumb {
                     background: var(--accent-color);
                     border-radius: 5px;
                 }
                 /* Layout Utilities */
                 
                 .container {
                     width: 100%;
                     max-width: 1200px;
                     margin: 0 auto;
                     padding: 0 20px;
                 }
                 
                 .section-padding {
                     padding: 100px 0;
                 }
                 
                 .text-center {
                     text-align: center;
                 }
                 
                 .section-title {
                     font-size: 2.5rem;
                     margin-bottom: 15px;
                     text-align: center;
                     font-weight: 600;
                 }
                 
                 .section-subtitle {
                     text-align: center;
                     color: var(--text-muted);
                     margin-bottom: 60px;
                     font-size: 1.1rem;
                     max-width: 600px;
                     margin-left: auto;
                     margin-right: auto;
                 }
                 /* Navigation */
                 
                 header {
                     position: fixed;
                     top: 0;
                     left: 0;
                     width: 100%;
                     background-color: rgba(249, 246, 240, 0.95);
                     backdrop-filter: blur(10px);
                     z-index: 1000;
                     box-shadow: 0 2px 15px rgba(62, 39, 35, 0.05);
                     padding: 20px 0;
                     transition: var(--transition);
                 }
                 
                 .nav-container {
                     display: flex;
                     justify-content: space-between;
                     align-items: center;
                 }
                 
                 .logo {
                     font-family: var(--font-heading);
                     font-size: 1.5rem;
                     font-weight: 600;
                     color: var(--text-main);
                 }
                 
                 .nav-links {
                     display: flex;
                     gap: 30px;
                 }
                 
                 .nav-links a {
                     font-size: 0.95rem;
                     font-weight: 500;
                     position: relative;
                 }
                 
                 .nav-links a::after {
                     content: '';
                     position: absolute;
                     width: 0;
                     height: 2px;
                     bottom: -5px;
                     left: 0;
                     background-color: var(--accent-color);
                     transition: var(--transition);
                 }
                 
                 .nav-links a:hover::after {
                     width: 100%;
                 }
                 
                 .mobile-menu-btn {
                     display: none;
                     font-size: 1.8rem;
                     cursor: pointer;
                     color: var(--text-main);
                 }
                 /* Hero Section */
                 
                 .hero {
                     min-height: 100vh;
                     display: flex;
                     align-items: center;
                     padding-top: 80px;
                 }
                 
                 .hero-content {
                     display: flex;
                     align-items: center;
                     justify-content: space-between;
                     gap: 50px;
                 }
                 
                 .hero-text {
                     flex: 1;
                 }
                 
                 .hero-title {
                     font-size: 3.5rem;
                     line-height: 1.2;
                     margin-bottom: 20px;
                 }
                 
                 .hero-title span {
                     color: var(--accent-color);
                     font-style: italic;
                 }
                 
                 .hero-desc {
                     font-size: 1.1rem;
                     color: var(--text-muted);
                     margin-bottom: 30px;
                     max-width: 500px;
                 }
                 
                 .btn {
                     display: inline-block;
                     padding: 8px 30px;
                     background-color: var(--text-main);
                     color: var(--bg-light);
                     border-radius: 35px;
                     font-weight: 300;
                     border: 2px solid var(--text-main);
                     cursor: pointer;
                 }
                 
                 .btn:hover {
                     background-color: transparent;
                     color: var(--text-main);
                 }
                 
                 .btn-outline {
                     background-color: transparent;
                     color: var(--text-main);
                     margin-left: 15px;
                 }
                 
                 .btn-outline:hover {
                     background-color: var(--text-main);
                     color: var(--bg-light);
                 }
                 /* Organic Image Shape */
                 
                 .hero-img-container {
                     flex: 1;
                     display: flex;
                     justify-content: center;
                 }
                 
                 .organic-shape {
                     width: 400px;
                     height: 400px;
                     background-image: url('img/nabokumar.jpg');
                     background-size: cover;
                     background-position: center;
                     box-shadow: inset 0 0 0 10px rgba(255, 255, 255, 0.3), 0 20px 40px rgba(62, 39, 35, 0.1);
                     animation: morph 8s ease-in-out infinite;
                     /* No fixed square/circle, completely fluid */
                     border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
                     transition: all 1s ease-in-out;
                 }
                 
                 @keyframes morph {
                     0% {
                         border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
                     }
                     50% {
                         border-radius: 30% 60% 70% 40% / 50% 60% 30% 60%;
                     }
                     100% {
                         border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
                     }
                 }
                 /* About & Books Section */
                 
                 .bg-secondary {
                     background-color: var(--bg-secondary);
                 }
                 
                 .about-grid {
                     display: grid;
                     grid-template-columns: 1fr 1fr;
                     gap: 50px;
                     align-items: center;
                 }
                 
                 .about-text p {
                     margin-bottom: 20px;
                     color: var(--text-muted);
                   text-align: justify;
                 }
                 
                 .book-section {
                     margin-top: 40px;
                     padding: 30px;
                     background-color: var(--bg-light);
                     border-radius: 20px;
                     box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
                   text-align: justify;
                 }
                 
                 .book-section h3 {
                     display: flex;
                     align-items: center;
                     gap: 10px;
                     margin-bottom: 15px;
                     font-size: 1.5rem;
                 }
                 /* Projects & Research Cards */
                 
                 .card-grid {
                     display: grid;
                     grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
                     gap: 40px;
                 }
                 
                 .card {
                     background-color: var(--bg-light);
                     border-radius: 20px;
                     overflow: hidden;
                     box-shadow: 0 5px 20px rgba(62, 39, 35, 0.05);
                     transition: var(--transition);
                     border: 1px solid var(--border-color);
                 }
                 
                 .card:hover {
                     transform: translateY(-10px);
                     box-shadow: 0 15px 30px rgba(62, 39, 35, 0.1);
                 }
                 
                 .card-img {
                     width: 100%;
                     height: 220px;
                     object-fit: cover;
                     border-bottom: 1px solid var(--border-color);
                 }
                 
                 .card-content {
                     padding: 30px;
                 }
                 
                 .card-title {
                     font-size: 1.4rem;
                     margin-bottom: 10px;
                 }
                 
                 .card-desc {
                     color: var(--text-muted);
                     font-size: 0.95rem;
                     margin-bottom: 20px;
                     display: -webkit-box;
                     /* -webkit-line-clamp: 3; */
                     -webkit-box-orient: vertical;
                     overflow: hidden;
                 }
                 
                 .card-link {
                     display: inline-flex;
                     align-items: center;
                     gap: 8px;
                     font-weight: 500;
                     color: var(--accent-color);
                 }
                 
                 .card-link:hover {
                     color: var(--text-main);
                 }
                 /* Contact Section */
                 
                 .contact-container {
                     max-width: 600px;
                     margin: 0 auto;
                     background-color: var(--bg-secondary);
                     padding: 50px;
                     border-radius: 20px;
                     box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
                 }
                 
                 .form-group {
                     margin-bottom: 20px;
                 }
                 
                 .form-control {
                     width: 100%;
                     padding: 15px;
                     background-color: var(--bg-light);
                     border: 1px solid var(--border-color);
                     border-radius: 10px;
                     font-family: var(--font-body);
                     color: var(--text-main);
                     outline: none;
                     transition: var(--transition);
                 }
                 
                 .form-control:focus {
                     border-color: var(--accent-color);
                     box-shadow: 0 0 0 3px rgba(141, 110, 99, 0.2);
                 }
                 
                 textarea.form-control {
                     height: 150px;
                     resize: vertical;
                 }
                 
                 .submit-btn {
                     width: 100%;
                     padding: 15px;
                     background-color: var(--accent-color);
                     color: #fff;
                     border: none;
                     border-radius: 10px;
                     font-size: 1.1rem;
                     cursor: pointer;
                     transition: var(--transition);
                 }
                 
                 .submit-btn:hover {
                     background-color: var(--text-main);
                 }
                 
                 .form-message {
                     margin-top: 15px;
                     text-align: center;
                     font-weight: 500;
                     display: none;
                 }
                 
                 .success-msg {
                     color: #2E7D32;
                 }
                 
                 .error-msg {
                     color: #C62828;
                 }
                 /* Social Media & Footer */
                 
                 footer {
                     background-color: var(--text-main);
                     color: var(--bg-light);
                     padding: 60px 0 30px;
                     text-align: center;
                 }
                 
                 .social-links {
                     display: flex;
                     justify-content: center;
                     gap: 20px;
                     margin-bottom: 30px;
                 }
                 
                 .social-links a {
                     color: var(--bg-light);
                     font-size: 1.8rem;
                     transition: var(--transition);
                 }
                 
                 .social-links a:hover {
                     color: var(--accent-color);
                     transform: translateY(-3px);
                 }
                 /* Animations */
                 
                 .fade-up {
                     opacity: 0;
                     transform: translateY(40px);
                     transition: opacity 0.8s ease, transform 0.8s ease;
                 }
                 
                 .fade-up.visible {
                     opacity: 1;
                     transform: translateY(0);
                 }
                 /* Responsive Design */
                 
                 @media (max-width: 992px) {
                     .hero-content {
                         flex-direction: column-reverse;
                         text-align: center;
                     }
                     .organic-shape {
                         width: 300px;
                         height: 300px;
                     }
                     .hero-desc {
                         margin: 0 auto 30px;
                     }
                     .about-grid {
                         grid-template-columns: 1fr;
                     }
                 }
                 
                 @media (max-width: 768px) {
                     .nav-links {
                         position: fixed;
                         top: 70px;
                         left: -100%;
                         width: 100%;
                         height: 100vh;
                         background-color: var(--bg-light);
                         flex-direction: column;
                         align-items: center;
                         padding-top: 50px;
                         transition: 0.4s ease-in-out;
                     }
                     .nav-links.active {
                         left: 0;
                     }
                     .mobile-menu-btn {
                         display: block;
                     }
                     .hero-title {
                         font-size: 2.5rem;
                     }
                     .contact-container {
                         padding: 30px 20px;
                     }
                 }