/* General Styles */
body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

h1, h2, h3 {
    margin-bottom: 10px;
}

p {
    margin-bottom: 20px;
}

/* Hero Section */
.hero {
    background: url('assets/earth_satellite.jpg') no-repeat center center/cover;
    color: #fff;
    text-align: center;
    padding: 50px 20px; /* Adjust padding for height */
    min-height: 40vh; /* Adjust height to crop vertically */
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden; /* Prevent content from spilling */
    object-fit: cover; /* Ensures cropping effect */
    object-position: center top; /* Crop from the top */
}


.hero-content h1 {
    font-size: 2.5rem;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 20px;
}

.btn {
    background: #0078D7;
    color: #fff;
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.btn:hover {
    background: #005bb5;
}

/* Popup Modal */
.popup {
    display: flex;
    align-items: center;
    justify-content: center;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transform: scale(0.95); /* Initial zoom-out */
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.popup.show {
    opacity: 1;
    visibility: visible;
    transform: scale(1); /* Smooth zoom-in effect */
}

.popup-content {
    background: #fff;
    padding: 30px;
    text-align: center;
    border-radius: 10px;
    width: 50%;
    max-width: 500px;
}

.close-btn {
    font-size: 1.5rem;
    cursor: pointer;
    float: right;
}

.popup-buttons {
    margin-top: 20px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 10px; /* Space between buttons */
}

.popup-btn {
    background: #0078D7;
    color: #fff;
    padding: 8px 14px; /* Button padding */
    text-decoration: none;
    border-radius: 5px; /* Rounded corners */
    font-size: 0.9rem;
    font-weight: 500;
    text-align: center;
    transition: background 0.3s ease, transform 0.2s ease;
    flex: 0 1 auto; /* Prevents buttons from stretching unevenly */
    white-space: nowrap; /* Prevents button text from wrapping */
}

.popup-btn:hover {
    background: #6d28d9;
    transform: scale(1.05);
}

/* Introduction Section */
.intro {
    display: flex;
    align-items: center;
    justify-content: flex-start; /* Closer alignment */
    padding: 50px 5%;
    background: #f9f9f9;
    flex-wrap: wrap;
    gap: 20px; /* Reduced horizontal gap */
}

.intro-text {
    flex: 1;
    min-width: 300px;
    margin-left: 20px; /* Fine adjustment for closer text spacing */
}

.intro-text h2 {
    font-size: 2rem;
}

.intro-image {
    flex: 0 0 350px; /* Fixed image width */
    text-align: center;
}

.intro-image img {
    width: 100%;
    max-width: 350px; /* Limit image width */
    height: auto;
    border-radius: 10px; /* Slightly rounded corners */
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

/* Focus Areas Section */
.focus-areas {
    text-align: center;
    padding: 50px 5%;
    background: #fff;
}

.focus-areas h2 {
    font-size: 2rem;
    margin-bottom: 30px;
}

.focus-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr); /* Two-column grid on desktop */
    gap: 20px;
    margin-top: 20px;
}

.focus-card {
    background: #f4f4f4;
    padding: 20px;
    border: 1px solid #ddd;
    border-radius: 5px;
    text-align: center;
    transition: transform 0.3s ease;
}

.focus-card:hover {
    transform: translateY(-5px);
    background: #eaf6ff;
}

.focus-card h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
}

/* Call to Action */
.cta {
    text-align: center;
    background: #0078D7;
    color: #fff;
    padding: 50px 20px;
    margin-top: 50px;
}

.cta h2 {
    font-size: 2rem;
    margin-bottom: 20px;
}

.cta p {
    font-size: 1.1rem;
    margin-bottom: 20px;
}

.cta .btn {
    background: #fff;
    color: #0078D7;
    font-weight: bold;
}

.cta .btn:hover {
    background: #e0e0e0;
}

/* Footer */
footer {
    text-align: center;
    background: #333;
    color: #fff;
    padding: 10px 0;
    margin-top: 50px;
}

/* Responsive Design */

/* Medium Devices (Tablets and Smaller Desktops) */
@media (max-width: 1024px) {
    .hero-content h1 {
        font-size: 2rem;
    }

    .hero-content p {
        font-size: 1rem;
    }

    .focus-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .hero {
        min-height: 30vh; /* Further reduce height for mobile */
        padding: 30px 15px;
        object-position: center top; /* Maintain focus on the top */
    }
}

/* Mobile Specific Adjustments for Popup */
@media (max-width: 768px) {
    .popup-content {
        max-width: 95%; /* Slightly wider for mobile screens */
        width: 95%; /* Ensures it takes up 95% of screen width */
        padding: 20px; /* Adequate spacing inside */
        box-sizing: border-box; /* Prevents content overflow */
        overflow: hidden; /* Ensures nothing spills out */
    }

    .popup-content .button-container {
        display: flex;
        flex-wrap: wrap; /* Prevents buttons from overflowing */
        justify-content: center;
        gap: 10px; /* Adds spacing between buttons */
    }

    .popup-content .button-container button {
        flex: 1 1 calc(45% - 10px); /* Ensures buttons are responsive */
        max-width: 45%; /* Each button takes up about 45% width */
        text-align: center;
    }
}


/* ============================
   Publications Page Styles
   ============================ */

/* ============================
   General Page Styles
============================ */

body {
    font-family: 'Montserrat', sans-serif;
    margin: 0;
    padding: 0;
    background: #f9fafc;
}

/* ============================
   Header Section
============================ */

.publications-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 5%;
    background: #1f2937;
    color: #ffffff;
}

.publications-header h1 {
    font-size: 2rem;
    font-weight: 600;
}

.top-nav {
    display: flex;
    gap: 12px;
}

.nav-btn {
    background: #4f46e5; /* Modern Indigo Button */
    color: #ffffff;
    padding: 8px 14px;
    text-decoration: none;
    border-radius: 5px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: background 0.3s ease, transform 0.2s ease;
}

.nav-btn:hover {
    background: #6d28d9; /* Brighter Indigo Hover */
    transform: translateY(-2px);
}

/* ============================
   Publications Section
============================ */

.publications-container {
    padding: 30px 5%;
}

/* Year Ribbon */
.year-section {
    margin-top: 30px;
    margin-bottom: 20px;
}

.year-ribbon {
    background: linear-gradient(to right, #4f46e5, #6d28d9); /* Indigo gradient */
    color: #ffffff;
    text-align: center;
    font-size: 1.2rem;
    font-weight: bold;
    padding: 8px 0; /* Reduced thickness */
    border-radius: 4px;
    margin-bottom: 20px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    letter-spacing: 0.5px;
}

/* Publication Cards Grid */
.publication-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 20px;
}

/* Individual Publication Card */
.publication-card {
    background: #ffffff;
    padding: 18px;
    border-radius: 6px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease-in-out, box-shadow 0.3s ease-in-out;
    overflow: hidden;
}

.publication-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.publication-card a {
    text-decoration: none;
    color: inherit;
}

.publication-card h3 {
    color: #4338ca; /* Deep Indigo */
    font-size: 1rem;
    margin-bottom: 10px;
    font-weight: 600;
    transition: color 0.3s ease;
}

.publication-card a:hover h3 {
    text-decoration: underline;
    color: #4f46e5; /* Brighter Indigo */
}

.publication-card p {
    color: #4b5563;
    font-size: 0.9rem;
    line-height: 1.4;
    margin-bottom: 5px;
}

/* Author Names and Journal Info */
.publication-card p strong {
    font-weight: 600;
    color: #1f2937;
}

/* ============================
   Footer Section
============================ */

footer {
    text-align: center;
    background: #1f2937;
    color: #ffffff;
    padding: 15px 0;
    margin-top: 30px;
    font-size: 0.9rem;
}

/* ============================
   Responsive Adjustments
============================ */

/* Tablet Devices */
@media (max-width: 1024px) {
    .publications-header h1 {
        font-size: 1.8rem;
    }

    .nav-btn {
        padding: 6px 12px;
    }

    .year-ribbon {
        font-size: 1rem;
    }
}

/* Mobile Devices */
@media (max-width: 768px) {
    .publications-header {
        flex-direction: column;
        text-align: center;
    }

    .top-nav {
        margin-top: 10px;
        gap: 8px;
    }

    .year-ribbon {
        font-size: 0.9rem;
        padding: 6px 0;
    }

    .publication-cards {
        grid-template-columns: 1fr;
    }

    .publication-card {
        padding: 14px;
    }

    .publication-card h3 {
        font-size: 0.95rem;
    }

    .publication-card p {
        font-size: 0.85rem;
    }

    footer {
        font-size: 0.8rem;
    }
}

/* ============================
   Innovative Let's Collaborate Section
============================ */

/* ============================
   Refined Let's Collaborate Section
============================ */

.collaborate {
    position: relative;
    background: linear-gradient(135deg, #c7d2fe, #e0e7ff); /* Soft Gradient Background */
    color: #374151; /* Subtle Text Color */
    text-align: center;
    padding: 60px 30px;
    margin-top: 50px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

/* Subtle Animated Wave Background */
.collaborate-wave {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 80px;
    background: url('assets/wave.svg') repeat-x;
    animation: wave-animation 6s infinite linear;
    opacity: 0.3;
    z-index: 1;
}

/* Wave Animation */
@keyframes wave-animation {
    0% {
        background-position: 0 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

/* Content Styling */
.collaborate-content {
    position: relative;
    z-index: 2;
    max-width: 600px;
    margin: 0 auto;
}

.collaborate-content h2 {
    font-size: 2.2rem;
    margin-bottom: 10px;
    font-weight: 600;
    color: #1e3a8a; /* Dark Indigo Heading */
    text-transform: uppercase;
    letter-spacing: 1px;
}

.collaborate-content p {
    font-size: 1rem;
    margin-bottom: 25px;
    color: #4b5563; /* Slightly darker text */
    line-height: 1.6;
    opacity: 0.95;
}

/* Call-to-Action Button */
.btn-collaborate {
    display: inline-block;
    background: #4f46e5;
    color: #ffffff;
    padding: 10px 20px;
    font-size: 1rem;
    font-weight: bold;
    border-radius: 25px;
    text-decoration: none;
    transition: background 0.3s ease, transform 0.2s ease;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.btn-collaborate:hover {
    background: #6d28d9;
    transform: scale(1.05);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

/* Decorative Element (Optional) */
.collaborate-content::after {
    content: '';
    position: absolute;
    top: -10px;
    right: -10px;
    width: 50px;
    height: 50px;
    background: #e0e7ff;
    border-radius: 50%;
    opacity: 0.5;
    z-index: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .collaborate {
        padding: 50px 20px;
    }

    .collaborate-content h2 {
        font-size: 1.8rem;
    }

    .collaborate-content p {
        font-size: 0.95rem;
    }

    .btn-collaborate {
        padding: 8px 16px;
        font-size: 0.9rem;
    }

    .collaborate-wave {
        height: 50px;
    }
}

@media (max-width: 480px) {
    .collaborate {
        padding: 40px 15px;
    }

    .collaborate-content h2 {
        font-size: 1.5rem;
    }

    .collaborate-content p {
        font-size: 0.9rem;
    }

    .btn-collaborate {
        padding: 6px 12px;
        font-size: 0.8rem;
    }

    .collaborate-wave {
        height: 40px;
    }
}
/* ============================
   Contact Page Styles
============================ */

/* Header Section */
.contact-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 5%;
    background: #1f2937;
    color: #ffffff;
}

.contact-header h1 {
    font-size: 2rem;
    font-weight: 600;
}

.top-nav {
    display: flex;
    gap: 12px;
}

.nav-btn {
    background: #4f46e5;
    color: #ffffff;
    padding: 8px 14px;
    text-decoration: none;
    border-radius: 5px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: background 0.3s ease, transform 0.2s ease;
}

.nav-btn:hover {
    background: #6d28d9;
    transform: translateY(-2px);
}

/* Main Contact Section */
.contact-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
    padding: 50px 5%;
    background: #f9fafc;
    flex-wrap: wrap;
}

/* Contact Information */
.contact-info {
    flex: 1;
    max-width: 500px;
    text-align: left;
}

.contact-info h2 {
    font-size: 2rem;
    margin-bottom: 15px;
    color: #1f2937;
}

.contact-info p {
    font-size: 1rem;
    margin-bottom: 20px;
    color: #4b5563;
    line-height: 1.6;
}

.contact-details p {
    margin: 5px 0;
    font-size: 0.95rem;
}

.contact-details a {
    color: #4f46e5;
    text-decoration: none;
    font-weight: 600;
}

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

/* Contact Button */
.btn-contact {
    display: inline-block;
    margin-top: 20px;
    background: #4f46e5;
    color: #ffffff;
    padding: 10px 20px;
    font-size: 1rem;
    border-radius: 25px;
    text-decoration: none;
    font-weight: bold;
    transition: background 0.3s ease, transform 0.2s ease;
}

.btn-contact:hover {
    background: #6d28d9;
    transform: scale(1.05);
}

/* Contact Image */
.contact-image {
    flex: 1;
    text-align: center;
    max-width: 400px;
}

.contact-image img {
    width: 100%;
    max-width: 350px;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

/* Responsive Design */
/* ============================
   Responsive Design - Mobile
============================ */

@media (max-width: 768px) {
    /* Center Header Title */
    .contact-header {
        flex-direction: column;
        text-align: center;
        gap: 10px;
    }

    .contact-header h1 {
        font-size: 1.8rem;
        margin-bottom: 15px;
    }

    /* Center Navigation Buttons in Horizontal Row */
    .top-nav {
        display: flex;
        justify-content: center;
        flex-wrap: wrap; /* Ensures wrapping if space runs out */
        gap: 10px; /* Space between buttons */
        margin-top: 10px;
    }

    .nav-btn {
        text-align: center;
        font-size: 0.9rem;
        padding: 8px 12px;
        flex: 0 0 auto; /* Prevent buttons from stretching */
    }

    /* Contact Container Adjustments */
    .contact-container {
        flex-direction: column;
        text-align: center;
        gap: 20px;
        padding: 30px 5%;
    }

    .contact-info {
        text-align: center;
        margin-bottom: 20px;
    }

    .contact-info h2 {
        font-size: 1.8rem;
        margin-bottom: 10px;
    }

    .contact-info p {
        font-size: 0.95rem;
    }

    .btn-contact {
        margin-top: 15px;
        font-size: 0.9rem;
        padding: 8px 16px;
    }

    .contact-details {
        text-align: center;
    }

    /* Contact Image Adjustments */
    .contact-image {
        margin-top: 20px;
    }

    .contact-image img {
        max-width: 70%;
        height: auto;
    }
}

/* ============================
   Responsive Design - Small Mobile
============================ */

@media (max-width: 480px) {
    .contact-header h1 {
        font-size: 1.5rem;
        margin-bottom: 10px;
    }

    /* Keep Buttons Horizontal on Smaller Screens */
    .top-nav {
        justify-content: center;
        gap: 8px;
        flex-wrap: nowrap; /* Prevent wrapping */
        overflow-x: auto; /* Allow horizontal scroll if needed */
    }

    .nav-btn {
        font-size: 0.85rem;
        padding: 6px 10px;
        white-space: nowrap; /* Prevent text from wrapping */
        flex: 0 0 auto;
    }

    .contact-info h2 {
        font-size: 1.5rem;
    }

    .contact-info p {
        font-size: 0.9rem;
    }

    .btn-contact {
        font-size: 0.85rem;
        padding: 6px 14px;
    }

    .contact-image {
        margin-top: 15px;
    }

    .contact-image img {
        max-width: 80%;
    }
}



/* ============================
   About Page Styles
============================ */

/* ============================
   About Page Styles
============================ */


/* ============================
   Header Section
============================ */
.about-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 5%;
    background: #1f2937;
    color: #ffffff;
}

.about-header h1 {
    font-size: 2rem;
    font-weight: 600;
}

.top-nav {
    display: flex;
    gap: 12px;
}

.nav-btn {
    background: #4f46e5;
    color: #ffffff;
    padding: 8px 14px;
    text-decoration: none;
    border-radius: 5px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: background 0.3s ease, transform 0.2s ease;
}

.nav-btn:hover {
    background: #6d28d9;
    transform: translateY(-2px);
}

/* Button Styling */

.btn-about {
    display: inline-block;
    margin: 10px 10px 0 0; /* Adds space between buttons */
    padding: 8px 16px; /* Reduced padding for smaller buttons */
    background-color: #1f2937; /* Dark button background */
    color: #ffffff; /* White text color */
    text-decoration: none; /* Removes underline */
    font-weight: 600; /* Bold font */
    font-size: 0.85rem; /* Slightly smaller font size */
    border-radius: 8px; /* Rounded corners */
    transition: background-color 0.3s ease, transform 0.2s ease;
}
/* Bio content container to align buttons horizontally */
.bio-content {
    display: flex;
    flex-wrap: wrap; /* Allows wrapping on small screens if necessary */
    justify-content: center; /* Centers buttons horizontally */
    gap: 15px; /* Adds space between buttons */
    align-items: center; /* Vertically center buttons */
}

/* Media Query for Mobile Devices */
@media (max-width: 768px) {
    .bio-content {
        justify-content: center; /* Ensure buttons stay centered */
        gap: 10px; /* Adjust gap for smaller screens */
    }

    .btn-about {
        padding: 10px 15px; /* Adjust padding for mobile */
    }
}

.btn-about:hover {
    background-color: #4b5563; /* Slightly lighter on hover */
    transform: translateY(-2px); /* Subtle lift effect */
}




/* ============================
   Introduction Section
============================ */
.about-intro {
    display: flex;
    align-items: center;
    gap: 30px;
    padding: 60px 5%;
    background: #ffffff;
    flex-wrap: wrap;
}

.bio-content {
    flex: 1;
    max-width: 600px;
}

.bio-content h2 {
    font-size: 2.2rem;
    margin-bottom: 15px;
    color: #1f2937;
}

.bio-content p {
    font-size: 1rem;
    margin-bottom: 20px;
    color: #4b5563;
    line-height: 1.8;
}

.btn-about {
    background: #4f46e5;
    color: #ffffff;
    padding: 10px 20px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    transition: background 0.3s ease, transform 0.2s ease;
}

.btn-about:hover {
    background: #6d28d9;
    transform: scale(1.05);
}

/* Biography Image */
.bio-image {
    flex: 1;
    text-align: center;
}

.bio-image img {
    width: 100%;
    max-width: 400px;
    height: 300px;
    object-fit: cover;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

/* ============================
   My Journey Section
============================ */
.about-journey {
    text-align: center; /* Centers the text horizontally */
    padding: 50px 5%; /* Adds spacing around the section */
    background: #f9fafc; /* Light background for consistency */
}

.about-journey h2 {
    font-size: 2rem; /* Adjust heading size */
    margin-bottom: 20px; /* Space below the heading */
    color: #1f2937; /* Darker text color for better contrast */
}

.about-journey p {
    font-size: 1rem; /* Text size for paragraph */
    margin: 0 auto; /* Centers the paragraph */
    color: #4b5563; /* Grayish color for the text */
    line-height: 1.8; /* Improves readability */
    max-width: 800px; /* Limits the width for better alignment */
}


/* ============================
   SVG Section (My Journey Image)
============================ */
.about-svg {
    text-align: center;
    padding: 0;
    background: transparent;
  /*   background: #f9fafc; Keeps the section background */
}

.about-svg .journey-svg {
    max-width: 100%; /* Makes the SVG take up the full width of its container */
    height: auto; /* Maintain aspect ratio */
    display: inline-block;
    margin-top: 10px;
    
}







/* ============================
   Research Philosophy Section
============================ */
.about-research-philosophy {
    text-align: center;
    padding: 50px 5%;
    background: #f9fafc;
}

.about-research-philosophy h2 {
    font-size: 2rem;
    margin-bottom: 15px;
    color: #1f2937;
}

.about-research-philosophy p {
    font-size: 1rem;
    margin-bottom: 20px;
    color: #4b5563;
    line-height: 1.8;
}

/* ============================
   Career Highlights Section
============================ */
.about-career {
    padding: 50px 5%;
    background: #e0e7ff;
    text-align: center;
}

.about-career h2 {
    font-size: 2rem;
    margin-bottom: 30px;
    color: #1f2937;
}

.career-cards {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.career-card {
    background: #ffffff;
    padding: 20px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    max-width: 250px;
}

.career-card h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: #4f46e5;
}

.career-card p {
    font-size: 0.9rem;
    color: #4b5563;
}

.career-card:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2);
}

/* ============================
   Personal Side Section
============================ */
.about-personal {
    text-align: center;
    padding: 50px 5%;
    background: #ffffff;
}

.about-personal h2 {
    font-size: 2rem;
    margin-bottom: 15px;
    color: #1f2937;
}

.about-personal p {
    font-size: 1rem;
    color: #4b5563;
    margin-bottom: 20px;
    line-height: 1.8;
}

/* ============================
   Call to Action Section
============================ */
.about-cta {
    text-align: center;
    background: #4f46e5;
    color: #ffffff;
    padding: 50px 5%;
}

.about-cta h2 {
    font-size: 2rem;
    margin-bottom: 15px;
}

.about-cta p {
    font-size: 1rem;
    margin-bottom: 25px;
}

.btn-cta {
    background: #ffffff;
    color: #4f46e5;
    padding: 10px 20px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    transition: background 0.3s ease, transform 0.2s ease;
}

.btn-cta:hover {
    background: #e0e0e0;
    transform: scale(1.05);
}

/* ============================
   Responsive Design
============================ */
@media (max-width: 768px) {
    .about-header {
        flex-direction: column;
        text-align: center;
    }

    .top-nav {
        justify-content: center;
        margin-top: 10px;
    }

    .about-intro {
        flex-direction: column;
        text-align: center;
    }

    .bio-image img {
        max-width: 300px;
    }

    .career-cards {
        flex-direction: column;
    }

    .career-card {
        max-width: 90%;
    }
}

@media (max-width: 480px) {
    .top-nav {
        flex-wrap: wrap;
    }

    .nav-btn {
        font-size: 0.8rem;
        padding: 6px 10px;
    }

    .bio-content h2 {
        font-size: 1.8rem;
    }

    .bio-image img {
        max-width: 80%;
    }

    .btn-cta {
        padding: 8px 14px;
    }
}

/* ============================
   Research Page Styles
============================ */

/* Header Section */
.research-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 5%;
    background: #1f2937;
    color: #ffffff;
}

.research-header h1 {
    font-size: 2rem;
    font-weight: 600;
}

.top-nav {
    display: flex;
    gap: 12px;
}

.nav-btn {
    background: #4f46e5;
    color: #ffffff;
    padding: 8px 14px;
    text-decoration: none;
    border-radius: 5px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: background 0.3s ease, transform 0.2s ease;
}

.nav-btn:hover {
    background: #6d28d9;
    transform: translateY(-2px);
}

/* Under Construction Section */
.research-container {
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    height: 70vh;
    padding: 20px;
    background: #f9fafc;
}

.under-construction {
    max-width: 600px;
}

.under-construction h2 {
    font-size: 2rem;
    margin-bottom: 10px;
    color: #4f46e5;
    font-weight: 600;
}

.under-construction p {
    font-size: 1.1rem;
    margin-bottom: 20px;
    color: #4b5563;
    line-height: 1.5;
}

.under-construction img {
    width: 100%;
    max-width: 400px;
    margin-top: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

/* Responsive Design */
@media (max-width: 768px) {
    .research-header h1 {
        font-size: 1.8rem;
    }

    .under-construction h2 {
        font-size: 1.5rem;
    }

    .under-construction p {
        font-size: 1rem;
    }

    .under-construction img {
        max-width: 300px;
    }

    .nav-btn {
        padding: 6px 12px;
        font-size: 0.8rem;
    }
}

@media (max-width: 480px) {
    .research-header h1 {
        font-size: 1.5rem;
    }

    .under-construction h2 {
        font-size: 1.3rem;
    }

    .under-construction p {
        font-size: 0.9rem;
    }

    .under-construction img {
        max-width: 250px;
    }
}