/* --- Root & Body Styles --- */
html {
    box-sizing: border-box; /* Global box-sizing for easier layout */
    scroll-behavior: smooth; /* Smooth scrolling for anchor links */
}

*, *::before, *::after {
    box-sizing: inherit;
    margin: 0;
    padding: 0;
}



/* NAVBAR DESIGN */
.main-navbar {
  width: 100%;
  background-color: #ffffff;
  padding: 1rem 2rem;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.05);
  position: fixed;
  top: 0;
  left: 0;
  z-index: 999;
}

.main-navbar ul {
  list-style: none;
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 0;
  padding: 0;
  gap: 2rem;
}

.main-navbar ul li a {
  font-size: 1.1rem;
  font-weight: 500;
  color: #2e3440;
  text-decoration: none;
  padding-bottom: 0.5rem;
  position: relative;
}

.main-navbar ul li a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  height: 2px;
  width: 0%;
  background-color: #2e3440;
  transition: width 0.3s ease;
}

.main-navbar ul li a:hover::after,
.main-navbar ul li a.active::after {
  width: 100%;
}


/* --- Social Icon in Navbar (top-left) --- */
.navbar-social-trigger {
  position: absolute;
  left: 1.5rem;
  top: 1.2rem;
  font-size: 1.2rem;
  color: #2e3440;
  cursor: pointer;
  transition: color 0.3s ease;
}

.navbar-social-trigger:hover {
  color: #007bff;
}


.main-navbar ul {
  padding-left: 2rem; 
}

/* --- Social Popup Overlay --- */
.social-popup-overlay {
  display: none; /* Hidden by default */
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(46, 52, 64, 0.8);
  z-index: 2000;
  justify-content: center;
  align-items: center;
}

/* --- Popup Box --- */
.social-popup-box {
  background: #ffffff;
  padding: 2rem 1.5rem;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  text-align: center;
  min-width: 250px;
  position: relative;
}

.social-popup-box a {
  display: block;
  margin: 1rem 0;
  font-size: 1.2rem;
  color: #2e3440;
  text-decoration: none;
  transition: color 0.3s ease;
}

.social-popup-box a i {
  margin-right: 0.5rem;
}

.social-popup-box a:hover {
  color: #007bff;
}

/* --- Close Button --- */
.social-popup-close {
  position: absolute;
  top: 10px;
  right: 15px;
  font-size: 1.5rem;
  cursor: pointer;
  color: #aaa;
  transition: color 0.3s ease;
}

.social-popup-close:hover {
  color: #000;
}

.social-entry {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin: 1rem 0;
  font-size: 1.1rem;
  color: #2e3440;
  word-break: break-all;
}

.social-entry i {
  font-size: 1.2rem;
  color: #2e3440;
}

.social-entry span {
  font-family: monospace;
  font-size: 1rem;
  color: #2e3440;
}

.copy-social {
  position: relative;
  cursor: pointer;
  transition: color 0.3s ease;
  font-size: 1.1rem;
}

.copy-social.success i {
  color: #a0a0a0;
}

.copy-social:hover {
  color: #007bff;
}

.copy-tooltip {
  visibility: hidden;
  opacity: 0;
  position: absolute;
  background-color: #2e3440;
  color: #fff;
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: 4px;
  top: -30px;
  left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
  transition: opacity 0.3s ease, transform 0.3s ease;
  pointer-events: none;
  z-index: 10;
  box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}


/* Show when active */
.copy-social.show-tooltip .copy-tooltip {
  visibility: visible;
  opacity: 1;
  transform: translateX(-50%) translateY(-5px);
}


/* navbar adjustment for mobile */
/* Hamburger icon styling */
.navbar-hamburger {
  display: none;
  position: absolute;
  right: 1.5rem;
  top: 1.2rem;
  font-size: 1.4rem;
  color: #2e3440;
  cursor: pointer;
  z-index: 1001;
}

/* Mobile nav styles */
@media (max-width: 768px) {
  .main-navbar ul {
    display: none;
    flex-direction: column;
    align-items: flex-start;
    background: #fff;
    position: absolute;
    top: 60px;
    left: 0;
    width: 100%;
    padding: 1rem 2rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    z-index: 1000;
  }

  .main-navbar ul.active {
    display: flex;
  }

  .navbar-hamburger {
    display: block;
  }

  .navbar-social-trigger {
    top: 1.2rem;
    left: 1rem;
  }
}



/* LANDING PAGE DESIGN */
body {
    /* padding-left: 200px; */
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: #333; /* Default text color, adjust if needed for dark theme later */
    background-color: #f7f7f7; /* Default background for the first section */
    overflow-x: hidden; /* Prevent horizontal scrollbar issues */
    min-height: 100vh; /* Ensure body takes full viewport height for centering */
    display: flex;
    flex-direction: column; /* Allows footer to stick to bottom if content is short */
}

/* --- Section Backgrounds --- */
.section-light-gray { /* Background for this page */
    background-color: #f7f7f7;
}




/* --- Universal Container for Content Width --- */
.container {
    max-width: 1200px; 
    margin: 0 auto; 
    padding: 0 1.5rem; 
    width: 100%; 
}

/* --- Heading Styles (Apply the new highlight color) --- */
h1, h2, h3, h4, h5, h6 {
    color: #2e3440; /* Dark blue highlight for all headings */
    font-weight: 700;
    margin-bottom: 0.5rem; /* Adjust as needed */
}

p {
    margin-bottom: 1rem;
}

/* --- Button Styles --- */
.btn-primary { /* Dark button base style */
    display: inline-block;
    padding: 0.8rem 1.8rem;
    background-color: #2e3440; /* Dark blue background */
    color: #ffffff; /* White text */
    text-decoration: none;
    border-radius: 8px; /* Slightly rounded corners */
    transition: background-color 0.3s ease, transform 0.3s ease;
    border: none;
    font-weight: 500;
    font-size: 1rem;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1); /* Subtle shadow for depth */
}

.btn-primary:hover {
    background-color: #3c4452; /* Slightly lighter dark blue on hover */
    transform: translateY(-2px); /* Subtle lift effect */
}

.btn-primary.btn-outline:hover {
    background-color: #2e3440; /* Fill with dark blue on hover */
    color: #ffffff; /* White text on hover */
    transform: translateY(-2px);
}


/* --- Home Section Specific Styles --- */
.home-section {
    min-height: 100vh; 
    display: flex;
    justify-content: center; 
    align-items: center; 
    text-align: center; 
    position: relative; 
    padding: 6rem 0; 
}

.home-content {
    display: flex;
    flex-direction: column; /* Stack elements vertically */
    justify-content: center;
    align-items: center;
    gap: 2rem; /* Space between text and optional image */
}

.hero-text {
    max-width: 800px; 
}

.hero-text h1 {
    font-size: 3.8rem; /* Large font size for impact */
    margin-bottom: 0.8rem;
    line-height: 1.2;
}

.hero-text p {
    font-size: 1.3rem; /* Larger tagline font size */
    color: #555; /* Softer color for tagline */
    margin-bottom: 2.5rem;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem; /* Space between buttons */
    justify-content: center;
    flex-wrap: wrap; /* Allow buttons to wrap on smaller screens */
}

/* --- Scroll Down Arrow --- */
.scroll-down-arrow {
    position: absolute;
    bottom: 2.5rem; /* Position from the bottom of the section */
    left: 50%;
    transform: translateX(-50%);
    font-size: 2rem;
    color: #2e3440; /* Dark blue color */
    animation: bounce 1.5s infinite; /* Simple bouncing animation */
    z-index: 10; /* Ensure it's above other content */
}

.scroll-down-arrow a {
    color: inherit; /* Inherit color from parent */
    text-decoration: none;
    display: inline-block; /* Ensure padding/margin works */
    padding: 10px; /* Make clickable area larger */
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-15px);
    }
    60% {
        transform: translateX(-50%) translateY(-7px);
    }
}


/* --- Responsive Adjustments for Smaller Screens --- */
@media (max-width: 992px) {
    .home-section {
        padding: 4rem 0; /* Adjust padding for smaller heights */
    }
    .hero-text h1 {
        font-size: 3rem; /* Slightly smaller heading */
    }
    .hero-text p {
        font-size: 1.1rem; /* Slightly smaller tagline */
    }
}

@media (max-width: 768px) {
    .hero-text h1 {
        font-size: 2.5rem; /* Further reduction for tablets */
    }
    .hero-text p {
        font-size: 1rem;
    }
    .hero-buttons {
        flex-direction: column; /* Stack buttons vertically */
        gap: 1rem;
    }
    .btn-primary {
        width: 80%; /* Buttons take more width */
        max-width: 250px;
        margin: 0 auto; /* Center stacked buttons */
    }
    .scroll-down-arrow {
        font-size: 1.8rem;
        bottom: 1.5rem;
    }
}

@media (max-width: 576px) {
    .home-section {
        padding: 3rem 0;
    }
    .hero-text h1 {
        font-size: 2rem; /* Even smaller for mobile */
    }
    .hero-text p {
        font-size: 0.9rem;
    }
    .btn-primary {
        padding: 0.7rem 1.5rem;
        font-size: 0.9rem;
    }
    .scroll-down-arrow {
        font-size: 1.5rem;
        bottom: 1rem;
    }
}


/* ABOUT ME DESIGN */


.section-darker-light-gray { /* Background for alternating pages */
    background-color: #f2f2f2;
}

/* --- Heading Styles (specific to About Me section) --- */
/* If you want the "a little bit about me" to be larger/different than H2 default */
.heading-large {
    font-size: 3.2rem; /* Similar size to H1 on home page, but customizable */
    font-weight: 700;
    margin-bottom: 2rem; /* More spacing below for a softer look */
    line-height: 1.2;
    color: #2e3440; /* Apply highlight color */
}


/* --- About Me Section Specific Styles --- */
.about-section {
    padding: 6rem 0; /* Consistent padding top/bottom */
    min-height: 100vh; /* Ensure it can take full height if content is short */
    display: flex; /* Use flex to center content vertically */
    align-items: center; /* Center content vertically */
}

.about-content {
    display: flex;
    align-items: center; /* Vertically align text and image */
    justify-content: space-between; /* Space out columns */
    gap: 4rem; /* Space between text and image columns */
    flex-wrap: wrap; /* Allow columns to wrap on smaller screens */
}

.about-text-column {
    flex: 1; /* Allow text column to grow */
    min-width: 300px; /* Ensure it doesn't get too small */
    max-width: 65%; /* Limit text width on large screens */
    text-align: left; /* Text aligns left */
}

.about-text-column p {
    font-size: 1.1rem;
    color: #555; /* Softer text color */
    margin-bottom: 1.5rem; /* Space between paragraphs */
}

.about-image-column {
    flex-shrink: 0; /* Prevent image column from shrinking too much */
    width: 350px; /* Fixed width for the image container on desktop */
    height: 350px; /* Fixed height to ensure perfect circle */
    border-radius: 50%; /* Make it circular */
    overflow: hidden; /* Hide anything outside the circle */
    position: relative; /* For image positioning inside */
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15); /* Subtle shadow for depth */
    
}

.profile-circular-img {
    width: 100%; /* Image takes full width of its container */
    height: 100%; /* Image takes full height */
    object-fit: cover; /* Cover the container without distortion */
    object-position: center; /* Center the image within the circle */
    display: block; /* Remove extra space below image */
}

.about-image-column:hover {
  border-color: #2e3440;
  box-shadow: 0 0 15px rgba(46, 52, 64, 0.3);
}

/* --- Social Icons (reusing .social-icon class, but perhaps with new margin) --- */
.about-social-links {
    margin-top: 2.5rem; /* Space above social icons */
    display: flex;
    gap: 1rem; /* Space between individual icons */
    justify-content: flex-start; /* Align icons to the left */
    flex-wrap: wrap; /* Allow icons to wrap if many */
}
/* No need to redefine .social-icon, it uses the global style you already have */


.social-icon { /* Assuming you have a class for your social icons */
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 50px; /* Slightly increased size from 45px */
    height: 50px; /* Slightly increased size from 45px */
    background-color: #2e3440; /* Dark background as requested */
    border-radius: 50%; /* Circle shape */
    color: #ffffff; /* White icon color (assuming Font Awesome or SVG) */
    font-size: 1.7rem; /* Slightly increased icon size from 1.5rem */
    text-decoration: none;
    margin: 0 0.5rem; /* Space between icons */
    transition: background-color 0.3s ease, transform 0.3s ease;
}

.social-icon:hover {
    background-color: #3c4452;
    transform: translateY(-2px);
}


/* --- Responsive Adjustments for About Me Section --- */
@media (max-width: 992px) {
    .about-content {
        flex-direction: column; /* Stack columns on smaller screens */
        text-align: center; /* Center text on mobile */
    }
    .about-text-column {
        max-width: 100%; /* Text takes full width */
        text-align: center; /* Center text */
    }
    .about-image-column {
        order: -1; /* Move image above text on mobile */
        margin-bottom: 3rem; /* Space between image and text */
        width: 280px; /* Smaller image on tablet */
        height: 280px;
    }
    .heading-large {
        font-size: 2.5rem; /* Adjust heading size */
    }
    .about-social-links {
        justify-content: center; /* Center social icons on mobile */
    }
}

@media (max-width: 768px) {
    .about-section {
        padding: 4rem 0; /* Reduce padding for smaller screens */
    }
    .about-image-column {
        width: 250px; /* Smaller image on mobile */
        height: 250px;
    }
    .heading-large {
        font-size: 2rem;
        margin-bottom: 1.5rem;
    }
    .about-text-column p {
        font-size: 1rem;
    }
}

@media (max-width: 576px) {
    .about-section {
        padding: 3rem 0;
    }
    .about-image-column {
        width: 200px; /* Even smaller image for small phones */
        height: 200px;
    }
    .heading-large {
        font-size: 1.8rem;
    }
}


/* ---  Experience Section Styles --- */


.heading-large{
    text-align: center;
}

.compact-experience-entry {
  margin-bottom: 0.2rem !important;
}

.compact-experience-entry p.compact-role-description {
  margin-top: 0.3rem;   /* Add this line */
  margin-bottom: 0.4rem; /* Slightly increased for readability */
}

.job-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.3rem;
}

.job-header h3 {
  font-size: 1.2rem;
  font-weight: 600;
  color: #2e3440;
  margin: 0;
  flex: 1 1 auto;
  min-width: 200px;
}

.job-company {
  font-weight: 400;
  color: #666;
  margin-left: 0.4rem;
}

.job-dates {
  font-size: 0.95rem;
  color: #888;
  font-weight: 500;
  margin: 0;
  white-space: nowrap;
}


.compact-role-description {
  list-style: disc;
  padding-left: 0rem;
  color: #444;
  font-size: 1rem;
  font-style: italic;
  margin-top: 0.2rem;
  margin-bottom: 0.4rem;
  /* border: 1px solid blue; for debugging */
}


.compact-role-description li {
  margin-bottom: 0.2rem;
}

.experience-divider {
  border: none;
  border-top: 1px dashed #ccc;
  margin: 1rem 0;
}

/* Optional: Reduce padding for the whole section */
.experience-section {
  background-color: #f7f7f7;
  padding: 4rem 0;
}

.role-skills-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-top: 0.2rem;
}

.skill-tag {
    display: inline-block;
    background-color: #e0e0e0;
    color: #555;
    padding: 0.4rem 0.9rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    white-space: nowrap;
}

/* Responsive Tweak */
@media (max-width: 576px) {
  .job-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.3rem;
  }

  .job-header h3 {
    font-size: 1.1rem;
  }

  .job-dates {
    font-size: 0.85rem;
  }

  .compact-role-description {
    font-size: 0.95rem;
  }
}


/* Skills section start */
/* --- Skills Section Styles (Adjusted Proportions) --- */
.heading-large-skills {
    text-align: center;
    font-size: 3.2rem;
    font-weight: 700;
    margin-bottom: 1rem; /* Keeps spacing consistent below heading */
    line-height: 1.2;
    color: #2e3440;
}

.skills-section {
    /* background-color: #f2f2f2; */
    background: linear-gradient(to bottom, #f8f9fa, #e9ecef);
    padding: 5rem 0; /* Keep current padding for the overall section */
}



.skills-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr); /* Ensures a consistent 2-column layout */
    gap: 2.5rem; /* Increased gap between cards slightly to fill space better */
    margin-top: 2rem; /* Increased space between heading and grid */
    max-width: 900px; /* Significantly reduced max-width to make cards look more proportional on 13-inch screens */
    margin-left: auto;
    margin-right: auto; /* Centers the grid */
}

.skill-category {
    background-color: #ffffff;
    padding: 1.8rem 2rem; /* Slightly increased internal padding for a larger card feel */
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease;
}

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

.skill-category h3 {
    font-size: 1.5rem;
    color: #2e3440;
    margin-bottom: 1rem; /* Keep existing margin bottom */
    text-align: left;
}

.skill-tags-wrapper {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem; /* Slightly increased gap between tags for better separation */
    row-gap: 0.5rem;
}


/* --- Responsive Adjustments for Skills Section --- */
/* These media queries are adjusted to ensure the proportions scale well */
@media (max-width: 992px) {
    .skills-grid {
        grid-template-columns: repeat(2, 1fr); 
        gap: 2rem; /* Adjusted gap for this breakpoint */
        max-width: 700px; /* Adjusted max-width for this breakpoint */
    }
    .skill-category {
        padding: 1.5rem 1.8rem; /* Adjusted padding */
    }
    .skill-category h3 {
        font-size: 1.4rem;
        margin-bottom: 0.9rem;
    }
    .skill-tags-wrapper {
        gap: 0.6rem;
    }
}

@media (max-width: 768px) {
    .skills-section {
        padding: 3.5rem 0;
    }
    .skills-grid {
        grid-template-columns: 1fr; /* Stacks to 1 column on smaller devices */
        max-width: 500px;
        margin-left: auto;
        margin-right: auto;
        gap: 1.5rem;
    }
    .skill-category {
        padding: 1.5rem;
    }
    .skill-category h3 {
        font-size: 1.3rem;
        margin-bottom: 1rem;
    }
    .skill-tags-wrapper {
        gap: 0.6rem;
    }
}

@media (max-width: 576px) {
    .skills-section {
        padding: 3rem 0;
    }
    .skills-grid {
        padding: 0 1.5rem;
        margin-top: 1.5rem; /* Slight adjustment here as well */
    }
    .skill-category {
        padding: 1.2rem;
    }
    .skill-category h3 {
        font-size: 1.2rem;
    }
    .skill-tag {
        padding: 0.4rem 0.8rem;
        font-size: 0.8rem;
    }
}




/* Project Section Starts */
.projects-section {
  background-color: #ffffff;
  padding: 5rem 0;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 2.5rem;
}

.project-card {
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  display: flex;
  flex-direction: column;
  background-color: #ffffff;
  min-height: 360px;
}

.project-card:hover {
  transform: translateY(-7px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

.project-card.light {
  background-color: #f9f9f9;
}

.project-card.gray {
  background-color: #f1f1f1;
}

.project-card-inner {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 2rem;
  height: 100%;
}

.project-title {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.project-desc {
  color: #555;
  font-size: 1rem;
  margin-bottom: 1rem;
}

.project-impact {
  font-size: 0.95rem;
  color: #333;
  margin-top: 1rem;
  margin-bottom: 1.2rem;
}

.project-links {
  display: flex;
  gap: 0.7rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}

.project-link-icon {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.9rem;
  background-color: #2e3440;
  color: #ffffff;
  border-radius: 5px;
  font-size: 0.85rem;
  text-decoration: none;
  font-weight: 500;
  transition: background-color 0.3s ease;
}

.project-link-icon:hover {
  background-color: #3c4452;
}

.view-more-wrapper {
  text-align: center;
  margin-top: 3rem;
}

.view-more-btn {
  background-color: transparent;
  color: #2e3440;
  padding: 0.6rem 1rem;
  font-size: 0.95rem;
  font-weight: 500;
  border: none;
  cursor: pointer;
  transition: color 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.view-more-btn i {
  font-size: 0.9rem;
}

.view-more-btn:hover {
  color: #555;
}

@media (max-width: 576px) {
  .projects-grid {
    grid-template-columns: 1fr;
  }
}


/* Publication Section Starts */
/* --- Publications Section Styles --- */
.publications-section {
  background-color: #f2f2f2; /* Light gray to alternate from project section */
  padding: 6rem 0;
}

.publications-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2.5rem;
  margin-top: 3rem;
  max-width: 1100px;
  margin-left: auto;
  margin-right: auto;
}

.publication-card {
  background-color: #ffffff;
  border-radius: 8px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.publication-card:hover {
  transform: translateY(-7px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

.publication-image {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.publication-content {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.publication-title {
  font-size: 1.4rem;
  color: #2e3440;
  margin-bottom: 0.5rem;
}

.publication-authors,
.publication-journal {
  font-size: 0.95rem;
  color: #555;
  margin-bottom: 0.3rem;
}

.publication-summary {
  font-size: 0.95rem;
  color: #444;
  margin: 0.8rem 0 1rem;
  flex-grow: 1;
}

.publication-links {
  display: flex;
  gap: 1rem;
  margin-top: auto;
}

.publication-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  background-color: #2e3440;
  color: #ffffff;
  border-radius: 5px;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: background-color 0.3s ease;
}

.publication-btn:hover {
  background-color: #3c4452;
}

/* --- Responsive Tweaks --- */
@media (max-width: 768px) {
  .publications-section {
    padding: 4rem 0;
  }

  .publication-image {
    height: 200px;
  }

  .publication-title {
    font-size: 1.3rem;
  }

  .publication-summary {
    font-size: 0.9rem;
  }
}

@media (max-width: 576px) {
  .publication-content {
    padding: 1rem;
  }

  .publication-title {
    font-size: 1.2rem;
  }

  .publication-btn {
    font-size: 0.8rem;
    padding: 0.4rem 0.8rem;
  }
}


/* --- Contact Section Styles --- */
.contact-section {
    background-color: #f7f7f7;
    padding: 6rem 0;
    text-align: center;
}

.contact-intro {
    font-size: 1.1rem;
    color: #555;
    line-height: 1.7;
    max-width: 700px;
    margin: 1.5rem auto 3rem auto;
}

.contact-details {
    margin-bottom: 2.5rem;
}

.email-copy-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.contact-email-link {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 1.4rem;
    font-weight: 500;
    color: #2e3440;
    text-decoration: none;
    padding: 0.8rem 2rem;
    border: 2px solid #2e3440;
    border-radius: 5px;
    transition: background-color 0.3s ease, color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
}

.contact-email-link:hover {
    background-color: #2e3440;
    color: #ffffff;
    transform: translateY(-3px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.contact-email-link i {
    font-size: 1.6rem;
}

/* Copy Icon + Feedback */
.copy-icon-wrapper {
    position: relative;
    display: inline-block;
}

.copy-icon {
    font-size: 1.4rem;
    color: #000000;
    cursor: pointer;
    transition: color 0.3s ease, transform 0.3s ease;
}

.copy-icon:hover {
    color: #007bff;
    transform: translateY(-2px);
}

.copy-feedback {
    position: absolute;
    top: 50%;
    left: 130%;
    transform: translateY(-50%);
    font-size: 0.9rem;
    color: #6c757d;
    background-color: #f1f1f1;
    padding: 3px 8px;
    border-radius: 4px;
    display: none;
    align-items: center;
    gap: 4px;
    white-space: nowrap;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
}

.copy-feedback i {
    color: #28a745;
    font-size: 1rem;
}

.contact-social-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 2.5rem;
}

.social-icon {
    color: #ffffff;
    font-size: 1.4rem;
    transition: color 0.3s ease;
}

.social-icon:hover {
    color: #007bff;
}

/* --- Footer Styles --- */
.footer {
    background-color: #2e3440;
    color: #ffffff;
    padding: 2rem 0;
    text-align: center;
    font-size: 0.9rem;
}

.footer .container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.footer-social-links {
    display: flex;
    justify-content: center;
    gap: 1.2rem;
}

.footer-social-links .social-icon {
    color: #ffffff;
    font-size: 1.4rem;
    transition: color 0.3s ease;
}

.footer-social-links .social-icon {
    color: #ffffff; /* White for dark footer */
    font-size: 1.4rem;
    transition: color 0.3s ease;
}

.footer-social-links .social-icon:hover {
    color: #a0a0a0;
}

/* --- Responsive Adjustments --- */
@media (max-width: 768px) {
    .contact-section {
        padding: 4rem 0;
    }
    .contact-intro {
        font-size: 1rem;
        margin: 1rem auto 2rem auto;
        padding: 0 1rem;
    }
    .contact-email-link {
        font-size: 1.2rem;
        padding: 0.7rem 1.2rem;
    }
    .contact-email-link i {
        font-size: 1.4rem;
    }
    .copy-icon {
        font-size: 1.2rem;
    }
    .copy-feedback {
        font-size: 0.8rem;
        left: 120%;
    }
    .contact-social-links {
        gap: 1.2rem;
    }
    .footer {
        padding: 1.5rem 0;
    }
    .footer-social-links .social-icon {
        font-size: 1.2rem;
    }
    .footer-text {
        font-size: 0.8rem;
    }
}

@media (max-width: 576px) {
    .email-copy-wrapper {
        flex-direction: column;
        gap: 0.6rem;
    }
    .copy-feedback {
        top: 100%;
        left: 50%;
        transform: translate(-50%, 10%);
    }
}

/* Sticky footer styling  - taking up a lot of space*/
/* .sticky-footer-socials {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: #2e3440;
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    padding: 0.6rem 0;
    z-index: 1000;
    box-shadow: 0 -2px 5px rgba(0, 0, 0, 0.1);
}

.sticky-footer-socials a {
    color: #ffffff;
    font-size: 1.3rem;
    transition: color 0.3s ease;
}

.sticky-footer-socials a:hover {
    color: #a0a0a0;
} */

/* Hide on larger screens if needed */
/* @media (min-width: 1024px) {
    .sticky-footer-socials {
        display: none;
    }
} */