html,
body {
    height: 100%;
    margin: 0;
    font-family: Arial, sans-serif;
}

footer {
    margin-top: auto;
    background-color: #343a40;
    color: white;
}

footer a {
    text-decoration: none;
    color: white;
    transition: color 0.3s ease;
}

footer a:hover {
    color: #ccc;
}

.navbar {
    position: fixed;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    margin: 1% auto;
    border-radius: 50px;
    width: 90%;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    transition: background-color 0.3s ease, transform 0.3s ease;
}
.navbar-brand{
    color: #292839;
}

.navbar:hover {
    background: rgba(255, 255, 255, 0.4);
}

.navbar a {
    text-decoration: none;
    color: #120e0e;
    font-weight: bold;
    transition: color 0.3s ease;
}

.navbar a:hover {
    color: #57077d;
}

.navbar-toggler {
    background-color: rgba(255, 255, 255, 0.5);
    border: none;
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3E%3Cpath stroke='rgba%280,0,0,0.7%29' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E");
}

.navbar-nav .nav-item {
    margin: 0 10px;
}

.navbar-nav .nav-item a {
    font-size: 1rem;
    padding: 8px 15px;
    border-radius: 20px;
    transition: background-color 0.3s ease;
}

.navbar-nav .nav-item a:hover {
    color: #ab1212;
}
.animated-text {
    display: inline-block;
    font-size: 24px;
    font-weight: bold;
    color: rgb(179, 14, 14);
    overflow: hidden;
    white-space: nowrap;
    border-right: 3px solid white;
    animation: typing 4s steps(20) infinite, blink 0.6s step-end infinite alternate;
}

.social-sidebar {
  position: fixed;
  bottom: 20px;
  right: 20px;
  display: flex;
  flex-direction: column-reverse;
  align-items: flex-end;
  z-index: 9999;
}

.toggle-btn {
  background: #0078D7;
  color: white;
  border: none;
  border-radius: 50%;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
  cursor: pointer;
  transition: transform 0.2s ease, background-color 0.2s ease;
}

.toggle-btn:hover {
  background-color: #005fa3;
  transform: scale(1.05);
}

.social-icons {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
  background: linear-gradient(180deg, #0078D7, #00A3E0);
  padding: 14px 8px;
  border-radius: 14px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.25);
  opacity: 1;
  transition: all 0.3s ease;
}

.social-icons.hidden {
  opacity: 0;
  pointer-events: none;
  transform: translateY(20px);
}

.social-icons a {
  color: white;
  font-size: 22px;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: transform 0.2s ease, color 0.2s ease;
}

.social-icons a span {
  font-size: 10px;
  font-weight: 600;
  margin-top: 4px;
}

.social-icons a:hover {
  transform: translateY(-2px);
}

.social-icons a:nth-child(1) i,
.social-icons a:nth-child(2) i {
  color: #25D366;
}
.social-icons a:nth-child(3) i {
  color: #0A66C2;
}
.social-icons a:nth-child(4) i {
  color: #E1306C;
}
.social-icons a:nth-child(5) i {
  color: #FFD43B;
}


@media (min-width: 769px) {
  .toggle-btn {
    display: none;
  }
  .social-icons {
    opacity: 1 !important;
    pointer-events: all;
    transform: none;
  }
}

@media (max-width: 768px) {
  .social-icons {
    opacity: 0;
    pointer-events: none;
    transform: translateY(20px);
  }
  .social-icons.active {
    opacity: 1;
    pointer-events: all;
    transform: translateY(0);
    margin-bottom: 10px;
  }
}


@keyframes typing {
    0% { width: 0; }
    50% { width: 100%; }
    100% { width: 0; }
}

@keyframes blink {
    50% { border-color: transparent; }
}


.main1 {
    width: 100%;
    height: 80vh;
    position: relative;
    background-image: url('../image/vigneshwaranv.jpg'); 
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.textbody {
    display: grid;
    gap: 50px;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    padding: 20px;
}

.text1 {
    position: relative;
    width: 100%;
    height: 80vh;
    overflow: hidden;
    border-radius: 15px;
}

.download-btn {
    display: inline-block;
    margin-top: 10px;
    padding: 10px 20px;
    background: #007bff;
    color: white;
    text-decoration: none;
    font-weight: bold;
    border-radius: 5px;
    transition: background 0.3s ease-in-out;
}

.download-btn:hover {
    background: #0056b3;
    color: black;
    text-decoration: none;
    
}

.background-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgb(240, 236, 236);
    text-align: center;
    padding: 20px;
    box-sizing: border-box;
}

.text_feild {
    margin: 10%;
    color: rgb(22, 9, 9);
    text-shadow: 1px 1px 5px rgba(0, 0, 0, 0.5);
}

.sociallinks {
    display: flex;
    position: absolute;
    bottom: 20px;
    left: 20px;
    margin-left: 80%; 
    flex-direction: column;
    /* gap: 20px; */
    padding: 15px;
    background: linear-gradient(135deg, #1e90ff, #4682b4);
    border-radius: 15px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.sociallinks a {
    color: white;
    font-size: 24px;
    text-decoration: none;
    transition: color 0.3s ease, transform 0.3s ease;
}

.sociallinks a:hover {
    color: #ffcc00;
    transform: scale(1.2);  /* Slightly larger hover effect */
}



.text_feild h3 {
    font-size: 2rem;
    font-weight: bold;
    margin-bottom: 10px;
    color: #050506;
}

.text_feild p {
    font-size: 1.2rem;
    margin: 0;
}

/* Footer Styling */
footer .container {
    text-align: center;
}

footer a {
    margin: 0 10px;
}

footer a i {
    font-size: 1.5rem;
    transition: transform 0.3s ease;
}

footer a:hover i {
    transform: scale(1.2); /* Slight zoom on hover */
    color: #00e676; /* Bright green hover */
}

footer .text-center {
    font-size: 0.9rem;
}

.card2 {
    background-color: #fff;
    padding: 20px;
    margin: 30px auto;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    width: 90%;
    font-family: Arial, sans-serif;
}

.grid-container {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 40px; 
}

.image-container {
    display: flex;
}

.profile-image {
    width: 70%;
    max-width: 250px;
    object-fit: cover;
}

.details-container {
    padding-left: 20px;
}

.details-container h3 {
    font-size: 2rem;
    color: #0b0964;
    margin-bottom: 15px;
}

.details-container p {
    font-size: 1rem;
    line-height: 1.6;
    color: #333;
    margin: 10px 0;
}

.details-container a {
    color: #1e90ff;
    text-decoration: none;
}

.details-container a:hover {
    text-decoration: underline;
}

.details-container p strong {
    font-weight: bold;
}

.education-section {
    margin: 30px auto;
    max-width: 800px;
    padding: 20px;
    background: rgb(97,237,217);
    background: linear-gradient(90deg, rgba(97,237,217,1) 16%, rgba(12,194,124,0.6027661064425771) 99%);
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.education-section h3 {
    font-size: 2rem;
    color: #0b0964;
    margin-bottom: 20px;
    text-align: center;
    text-transform: uppercase;
}

.card3 {
    background-color: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.education-list {
    list-style-type: none;
    padding: 0;
}

.education-list li {
    font-size: 1.1rem;
    color: #333;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
}

.icon {
    font-size: 2rem;
    color: #522566;
    margin-right: 15px;
}

.education-detail {
    flex: 1;
}

.education-detail strong {
    font-weight: bold;
    color: #0b0964;
}

.year {
    font-size: 0.9rem;
    color: #888;
    display: block;
    margin-top: 5px;
}
.teaching-experience {
    margin: 30px auto;
    width: 80%;
    padding: 20px;
    border-radius: 10px;
}

.teaching-experience h3 {
    font-size: 2rem;
    color: #0b0964;
    margin-bottom: 20px;
    text-align: center;
    text-transform: uppercase;
}

.card4 {
    background-color: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.experience-list {
    list-style-type: none;
    padding: 0;
}

.experience-list li {
    font-size: 1.1rem;
    color: #333;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
}

.experience-detail {
    flex: 1;
}

.experience-detail strong {
    font-weight: bold;
    color: #0b0964;
}

.extra-detail {
    font-size: 0.9rem;
    color: #888;
    display: block;
    margin-top: 5px;
}
.research-experience {
    margin: 30px auto;
    max-width: 900px;
    padding: 20px;
    background-color: #f9f9f9;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.research-experience h3 {
    font-size: 2rem;
    color: #0b0964;
    margin-bottom: 20px;
    text-align: center;
    text-transform: uppercase;
}
.research-experience-section {
    margin: 30px auto;
    max-width: 900px;
    padding: 20px;
    background-color: #f9f9f9;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.research-experience-section h3 {
    font-size: 2rem;
    color: #0b0964;
    margin-bottom: 20px;
    text-align: center;
    text-transform: uppercase;
}

.research-experience-table {
    display: grid;
    /* grid-template-columns: 1fr 3fr;  */
    gap: 20px; 
    padding: 10px 0;
}

.research-experience-row {
    display: grid;
    grid-template-columns: 1fr 3fr; /* Align year and details into two columns */
    gap: 15px;
    padding: 10px 0;
}

.research-year {
    font-size: 1rem;
    font-weight: bold;
    color: #0b0964;
    text-align: left;
    padding-left: 10px;
}

.research-details {
    font-size: 1rem;
    color: #333;
    line-height: 1.5;
}

.research-details strong {
    color: #1e90ff;
}

.awards-section {
    padding: 20px;
    text-align: center;
}

.card-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.card {
    background-color: #ffffff;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transition: transform 0.3s ease-in-out;
    padding: 20px;
}

.card:hover {
    transform: translateY(-5px);
}

.card-header {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 10px;
    color: #175e4b;
    align-items: center;
    background-color: white;
    gap: 10px;
}

.award-year {
    padding: 5px 10px;
    border-radius: 5px;
    font-size: 20px;
}

.card-body p {
    font-size: 16px;
    color: #555;
}

/* Styling for the icons */
.card-header i {
    font-size: 30px;
    color: #f1c40f; /* Gold color for icons */
    transition: color 0.3s ease-in-out;
}

.card-header i:hover {
    color: #e67e22; /* Change color on hover */
}
.workshop-conference-section {
    margin-bottom: 30px;
}

.workshop-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.workshop-item {
    background: #f8f9fa;
    padding: 12px 15px;
    border-left: 5px solid #007bff;
    border-radius: 5px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.workshop-year {
    font-weight: bold;
    color: #007bff;
    display: block;
    margin-bottom: 5px;
}

.workshop-item p {
    margin: 5px 0;
}

.computer-proficiency {
    padding: 40px;
    background-color: #f8f9fa;
}

.grid-container1 {
    display: grid;
    grid-template-columns: 1fr 2fr; /* Image takes 1/3 and data takes 2/3 of the space */
    gap: 20px;
    align-items: center;
    background-image: linear-gradient(to top, #9795f0 0%, #fbc8d4 100%);
    border-radius: 1%;
}

.grid-item.image {
    display: flex;
    /* justify-content: center; */
    /* align-items: center; */
}

.grid-item.image img {
    width: 100%;
}

.grid-item.data {
    padding: 10px;
    background-image: linear-gradient(to top, #e6e9f0 0%, #eef1f5 100%);
}

h3 {
    text-align: center;
    font-size: 20px;
    font-weight: bold;
    color: #333;
    margin-bottom: 20px;
}

.data-section {
    margin-bottom: 20px;
}

.data-section h4 {
    font-size: 15px;
    color: #007bff;
    font-weight: bold;
}

.data-section p {
    font-size: 12px;
    color: #555;
    line-height: 1;
}

.research-interests-section {
    margin-bottom: 30px;
}

.research-list {
    list-style: none;
    padding: 0;
}

.research-list li {
    background: #f8f9fa;
    padding: 10px 15px;
    border-radius: 5px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 500;
}

.research-list i {
    color: #007bff;
    font-size: 18px;
}
.container {
    width: 80%;
    margin: 0 auto;
}

.academic-research-section {
    padding: 20px;
    background: #f8f9fa;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    margin-bottom: 30px;
}

.research-experience-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.research-item {
    display: flex;
    align-items: center;
    background: white;
    padding: 12px;
    border-radius: 5px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    gap: 15px;
}

.research-item i {
    color: #007bff;
    font-size: 20px;
}

.research-item p {
    margin: 0;
    font-weight: 500;
}
.contact-section {
    padding: 20px;
    width: 80%;
    margin: auto;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    align-items: start;
}

/* Left Side: Contact Info */
.contact-info {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.contact-info h3 {
    margin-bottom: 15px;
    color: #007bff;
}

.contact-info p {
    margin: 10px 0;
    font-size: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.contact-info a {
    color: #007bff;
    text-decoration: none;
}

.contact-info a:hover {
    text-decoration: underline;
}

/* Right Side: Contact Form */
.contact-form {
    background: #ffffff;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.contact-form h3 {
    margin-bottom: 15px;
    color: #007bff;
}

.form-group {
    margin-bottom: 10px;
}

.input-box input,
.input-box textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
    outline: none;
}

.input-box textarea {
    resize: none;
    height: 80px;
}

.submit-button {
    background: #007bff;
    color: white;
    padding: 10px 15px;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    cursor: pointer;
    width: 100%;
    margin-top: 10px;
}

.submit-button:hover {
    background: #0056b3;
}


.footer {
    padding-top: 20px;
}

.footer h5 {
    font-weight: bold;
    margin-bottom: 15px;
}

.footer p {
    font-size: 14px;
    margin-bottom: 5px;
}

.footer a {
    text-decoration: none;
    font-size: 14px;
}

.footer-links {
    list-style-type: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: 5px;
}

.footer-links a:hover {
    text-decoration: underline;
}

.footer i {
    font-size: 18px;
    transition: color 0.3s ease-in-out;
}

.footer i:hover {
    color: #007bff;
}

.bg-secondary {
    background-color: #222 !important;
}

.resource-container {
    text-align: center;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 8px;
    box-shadow: 0 3px 6px rgba(0, 0, 0, 0.1);
    margin-bottom: 25px;
}

.resource-container h3 {
    font-size: 20px;  /* Reduced size */
    color: #007bff;
    margin-bottom: 12px;
}

.resource-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    max-width: 700px;
    margin: auto;
}

/* Individual Event Box */
.resource-item {
    background: white;
    padding: 12px;
    border-radius: 6px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    gap: 12px;
}

.event-date {
    background: #007bff;
    color: white;
    padding: 8px;
    border-radius: 5px;
    font-weight: bold;
    min-width: 90px;
    text-align: center;
    font-size: 12px; /* Reduced size */
}

.event-details h4 {
    font-size: 16px; /* Reduced size */
    margin: 0;
    color: #333;
}

.event-details p {
    font-size: 12px; /* Reduced size */
    margin: 3px 0 0;
    color: #666;
}

/* Responsive for Mobile */
@media (max-width: 768px) {
    .resource-grid {
        grid-template-columns: 1fr;
    }

    .event-date {
        min-width: 70px;
        font-size: 11px;
    }

    .event-details h4 {
        font-size: 14px;
    }

    .event-details p {
        font-size: 11px;
    }
}



@media (max-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }
}


@media (max-width: 768px) {
    .research-profile-container {
        grid-template-columns: 1fr;
    }
}


@media (max-width: 768px) {
    .grid-container1 {
        grid-template-columns: 1fr; 
    }
}


/* Responsive Design */
@media (max-width: 768px) {
    .navbar {
        width: 100%;
        margin: 0;
        border-radius: 0;
    }

    .text_feild h3 {
        font-size: 1.5rem;
    }

    .text_feild p {
        font-size: 1rem;
    }

    footer a {
        margin: 0 5px;
    }

    footer .text-center {
        font-size: 0.8rem;
    }
    .text1{
        width: 70%;
    }
    .main1 {
        width: 100%;
        height: 80vh;
        position: relative;
        background-image: url('../image/back2.jpg');
    }
    
    .sociallinks {
        display: none;
    }
    .textbody {
        display: grid;
        gap: 0;
        padding: 0;
        margin-left: -10%;
    }
    .grid-container {
        display: grid;
        grid-template-columns: 1fr;
        gap: 10px; 
    }
    .image-container img{
        margin-left: 15%;
    }
    .details-container h3 strong{
        font-size: 1.5rem;
    }
    
    .details-container p{
        font-size: .8rem;
    }
    .download-btn {
        width: 50%;
        font-size: 8px;
    }
    .education-detail strong {
        font-size: 12px;
    }
    .education-detail{
        font-size: 10px;
    }
    .teaching-experience h3{
        font-size: 1.2rem;

    }
    .experience-list i{
        font-size: 1.5rem;
    }
    .experience-detail{
        font-size: 12px;
    }
    .experience-detail strong{
        font-size: 12px;
    }
    .experience-detail li{
        font-size: 12px;
    }
    .workshop-list {
        display: flex;
        flex-direction: column;
        gap: 15px;
    }
    .workshop-conference-section .container{
        /* margin: 0; */
        width: 100%;
    }
    
}