/* Header Shrink Styles */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 40px;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 9999;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transform: translateZ(0);
    -webkit-transform: translateZ(0);
    will-change: transform;
}

header.shrink {
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
}

header.shrink .logo img {
    height: 40px;
    transition: height 0.3s ease;
}

header.shrink .logo h1 {
    font-size: 1.2em;
    transition: font-size 0.3s ease;
}

header.shrink nav ul li a {
    padding: 8px 15px;
    transition: padding 0.3s ease;
}

/* Ensure body has padding to account for fixed header */
body {
    padding-top: 80px;
    margin: 0;
    font-family: 'Arial', sans-serif;
    overflow-x: hidden;
}

/* Logo Styles */
.logo {
    display: flex;
    flex-direction: column; 
    align-items: center;
    text-decoration: none;
    color: #333;
    transition: transform 0.3s ease;
    cursor: pointer;
}

.logo a {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    color: inherit;
}

.logo:hover {
    transform: scale(1.05);
}

.logo img {
    height: 50px;
    margin-bottom: 5px;
    transition: all 0.3s ease;
    filter: brightness(1);
}

.logo:hover img {
    filter: brightness(1.1);
    transform: translateY(-2px);
}


.logo h1 {
    font-size: 1.2em;
    margin: 0;
    transition: all 0.3s ease;
    background: linear-gradient(135deg, #1a237e 0%, #000080 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    opacity: 0.9;
}

.logo:hover h1 {
    opacity: 1;
    transform: translateY(-2px);
    text-shadow: 0 2px 10px rgba(26, 35, 126, 0.2);
}

/* Navigation Styles */
nav {
    margin-right: 20px;
}

nav ul {
    list-style: none;
    margin: 0;
    padding: 0 40px;
    display: flex;
    gap: 30px;
}

nav ul li a {
    text-decoration: none;
    color: #333;
    padding: 12px 24px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 8px;
    white-space: nowrap;
    position: relative;
}

nav ul li a:hover {
    background-position: left bottom;
    color: #000080;
    transform: translateY(-2px);
}

nav ul li a.active {
    color: #000080;
    background: rgba(0, 0, 128, 0.1);
    font-weight: 600;
}

nav ul li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: #000080;
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

nav ul li a:hover::after,
nav ul li a.active::after {
    width: 80%;
}

@import url('../floating-button.css');

@media (max-width: 768px) {
    header {
        padding: 15px 20px;
    }

    nav {
        position: fixed;
        top: 0;
        right: -100%;
        margin-right: 0;
        height: 100vh;
        width: 250px;
        background: white;
        padding: 80px 30px 20px;
        transition: right 0.3s ease;
        z-index: 1000;
    }

    nav.active {
        right: 0;
    }

    nav ul {
        flex-direction: column;
        gap: 10px;
        padding: 0 20px;
    }

    nav ul li a {
        padding: 15px 20px;
        margin: 5px 0;
    }

    .mobile-menu-toggle {
        display: block;
        z-index: 1001;
    }
}

@media (max-width: 480px) {
    header {
        padding: 10px 15px;
    }

    .logo h1 {
        font-size: 1.2em;
    }

    .logo img {
        height: 40px;
    }
}

/* Projects Section Styles */
.projects-section {
    padding: clamp(60px, 8vw, 100px) clamp(20px, 5vw, 40px);
    background: linear-gradient(135deg, #1a237e 0%, #283593 50%, #3949ab 100%);
    position: relative;
    overflow: hidden;
    min-height: 100vh;
}

.projects-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><rect fill="none" width="100" height="100"/><path fill="%23ffffff" fill-opacity="0.05" d="M0 0h100v100H0z M50 25l25 43.3h-50L50 25z"/></svg>');
    opacity: 0.08;
    animation: backgroundFloat 20s linear infinite;
    backdrop-filter: blur(10px);
}

.projects-section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.projects-section h1 {
    text-align: center;
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin-bottom: clamp(40px, 6vw, 80px);
    color: white;
    position: relative;
    text-transform: uppercase;
    font-weight: 800;
    letter-spacing: clamp(1px, 0.5vw, 3px);
    text-shadow: 3px 3px 6px rgba(0, 0, 0, 0.3);
}

.projects-section h1::after {
    content: '';
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 150px;
    height: 4px;
    background: linear-gradient(to right, #f4a460, #ffffff, #f4a460);
    border-radius: 2px;
}

.project-category {
    background: rgba(255, 255, 255, 0.08);
    border-radius: clamp(20px, 3vw, 30px);
    padding: clamp(20px, 4vw, 40px);
    margin: 0 auto clamp(30px, 5vw, 60px);
    max-width: min(1200px, 90vw);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.2),
        inset 0 2px 10px rgba(255, 255, 255, 0.1);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    transform: translateY(20px);
    opacity: 0;
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.project-category::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.project-category:hover {
    transform: translateY(-15px) scale(1.03);
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
    box-shadow: 
        0 30px 60px rgba(0, 0, 0, 0.3),
        inset 0 2px 20px rgba(255, 255, 255, 0.2);
}

.project-category:hover::before {
    transform: translateX(100%);
}

.category-header {
    display: flex;
    align-items: center;
    gap: clamp(20px, 4vw, 40px);
    margin-bottom: clamp(20px, 3vw, 30px);
    padding-bottom: clamp(15px, 2vw, 25px);
    border-bottom: 2px solid rgba(255, 255, 255, 0.15);
    position: relative;
    flex-wrap: wrap;
}

.category-logos {
    flex-shrink: 0;
    background: linear-gradient(145deg, #ffffff, #f8f9fa);
    padding: clamp(15px, 3vw, 25px);
    border-radius: clamp(15px, 2vw, 20px);
    box-shadow: 
        0 10px 25px rgba(0, 0, 0, 0.15),
        inset 0 2px 5px rgba(255, 255, 255, 0.5);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    z-index: 1;
    min-width: clamp(150px, 20vw, 200px);
}

.category-logos:hover {
    transform: scale(1.05) rotate(2deg);
    box-shadow: 
        0 15px 30px rgba(0, 0, 0, 0.2),
        inset 0 2px 8px rgba(255, 255, 255, 0.6);
}

.category-logos img {
    width: 100%;
    height: auto;
    max-width: 200px;
    object-fit: contain;
}

.category-title {
    font-size: clamp(1.5rem, 3vw, 2.4rem);
    font-weight: 800;
    background: linear-gradient(135deg, #ffffff 0%, #f4a460 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
    letter-spacing: clamp(0.5px, 0.3vw, 1px);
    position: relative;
    flex: 1;
    min-width: min-content;
}

.project-details {
    background: rgba(255, 255, 255, 0.07);
    border-radius: clamp(15px, 2vw, 25px);
    padding: clamp(20px, 3vw, 35px);
    backdrop-filter: blur(8px);
    position: relative;
}

.project-details ul {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(300px, 100%), 1fr));
    gap: clamp(20px, 3vw, 30px);
    padding: 0;
}

.project-details li {
    background: rgba(255, 255, 255, 0.95);
    padding: clamp(15px, 2vw, 30px);
    border-radius: clamp(10px, 2vw, 20px);
    color: #000080;
    font-size: clamp(0.9rem, 1.5vw, 1.15rem);
    line-height: 1.7;
    box-shadow: 
        0 10px 25px rgba(0, 0, 0, 0.12),
        inset 0 2px 5px rgba(255, 255, 255, 0.8);
    border-left: clamp(4px, 1vw, 6px) solid #f4a460;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    transform: translateY(10px);
    opacity: 0;
    animation: fadeInUp 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.project-details li:hover {
    transform: translateY(-12px) scale(1.04);
    background: #ffffff;
    box-shadow: 
        0 25px 50px rgba(0, 0, 0, 0.2),
        inset 0 2px 10px rgba(255, 255, 255, 1);
    border-left-width: 10px;
}

.project-details p {
    color: #ffffff;
    font-size: clamp(1rem, 2vw, 1.4rem);
    font-weight: 600;
    margin-bottom: clamp(15px, 2vw, 25px);
    padding-left: clamp(10px, 2vw, 20px);
    border-left: clamp(3px, 1vw, 4px) solid #f4a460;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
    position: relative;
}

@keyframes fadeInUp {
    from {
        transform: translateY(20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* News Section Styles */
.news-section {
    padding: clamp(30px, 5vw, 40px) clamp(10px, 3vw, 20px);
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    position: relative;
    overflow: hidden;
}

@media (max-width: 1200px) {
    .news-container {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
}

@media (max-width: 768px) {
    .news-section h1 {
        font-size: 2em;
    }
    
    .news-item {
        margin-bottom: 20px;
    }
    
    .news-item img {
        height: 200px;
    }
}

@media (max-width: 480px) {
    .news-section h1 {
        font-size: 1.8em;
    }
    
    .news-container {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .news-item img {
        height: 180px;
    }
}

.news-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><rect fill="none" width="100" height="100"/><path fill="%23000080" fill-opacity="0.02" d="M0 0h100v100H0z"/></svg>');
    opacity: 0.1;
    pointer-events: none;
}

.news-section h1 {
    text-align: center;
    font-size: 3em;
    color: #000080;
    margin-bottom: 15px;
    font-weight: 800;
    position: relative;
    text-transform: uppercase;
    letter-spacing: 2px;
    transition: all 0.3s ease;
}

.news-section h1:hover {
    color: #f4a460;
    text-shadow: 0 0 10px rgba(244, 164, 96, 0.8);
    transform: scale(1.05);
}

.news-section h1::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: linear-gradient(to right, #000080, #f4a460);
    border-radius: 2px;
}

.subtitle {
    text-align: center;
    color: #666;
    font-size: 1.3em;
    margin: 30px 0 50px;
    font-weight: 500;
}

.news-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    padding: 20px;
}

.news-item {
    background: #ffffff;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.news-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.news-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.news-item:hover img {
    transform: scale(1.05);
}

.news-content {
    padding: 30px;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.95), #ffffff);
}

.news-content h3 {
    color: #000080;
    font-size: 1.5em;
    margin-bottom: 15px;
    font-weight: 700;
    line-height: 1.4;
}

.date {
    color: #f4a460;
    font-size: 0.95em;
    font-weight: 600;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.date::before {
    content: '\f073';
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
}

.excerpt {
    color: #555;
    line-height: 1.7;
    margin-bottom: 20px;
    font-size: 1.1em;
}

.read-more {
    display: inline-flex;
    align-items: center;
    color: #000080;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1em;
    transition: all 0.3s ease;
    gap: 8px;
}

.read-more::after {
    content: '\f061';
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    font-size: 0.9em;
    transition: transform 0.3s ease;
}

.read-more:hover {
    color: #f4a460;
    gap: 12px;
}

.read-more:hover::after {
    transform: translateX(5px);
}

/* Project Popup Styles */
.project-popup {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 128, 0.9);
    z-index: 1000;
    overflow-y: auto;
    opacity: 0;
    transition: opacity 0.3s ease;
}

@media (max-width: 768px) {
    .project-popup .popup-content {
        width: 95%;
        max-height: 90vh;
        margin: 5% auto;
        padding: 15px;
    }

    .project-popup .popup-content img {
        max-height: 40vh;
    }

    .popup-details {
        padding: 15px;
        margin-top: 15px;
    }

    .popup-details h3 {
        font-size: 1.2em;
    }

    .popup-details li {
        font-size: 1em;
        padding: 6px 0;
    }
}

@media (max-width: 480px) {
    .project-popup .popup-content {
        width: 98%;
        margin: 2% auto;
        padding: 10px;
        border-radius: 15px;
    }

    .project-popup .popup-content img {
        max-height: 35vh;
    }

    .popup-details {
        padding: 10px;
        margin-top: 10px;
    }

    .popup-details h3 {
        font-size: 1.1em;
        margin-bottom: 10px;
    }

    .popup-details li {
        font-size: 0.9em;
        padding: 5px 0;
    }

    .project-popup .close-popup {
        top: 8px;
        right: 8px;
        width: 30px;
        height: 30px;
        font-size: 16px;
    }
}

.project-popup.active {
    display: flex;
    opacity: 1;
    align-items: center;
    justify-content: center;
}

.project-popup .popup-content {
    background: white;
    max-width: 90vw;
    width: min(800px, 90vw);
    max-height: 95vh;
    margin: 20px;
    border-radius: 20px;
    position: relative;
    transform: translateY(30px);
    opacity: 0;
    transition: all 0.3s ease;
    overflow-y: auto;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.project-popup.active .popup-content {
    transform: translateY(0);
    opacity: 1;
}

.project-popup .popup-content img {
    width: 100%;
    height: auto;
    max-height: 80vh;
    object-fit: contain;
    display: block;
    margin: 0 auto;
    margin-bottom: 20px;
}

.project-popup .close-popup {
    position: absolute;
    top: clamp(15px, 2vw, 25px);
    right: clamp(15px, 2vw, 25px);
    width: clamp(30px, 4vw, 40px);
    height: clamp(30px, 4vw, 40px);
    background: rgba(255, 255, 255, 0.95);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: clamp(18px, 3vw, 24px);
    color: #000080;
    transition: all 0.3s ease;
    z-index: 1001;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.project-popup .close-popup:hover {
    background: #000080;
    color: white;
    transform: rotate(90deg);
}

.popup-details {
    margin-top: 20px;
    padding: 20px;
    background: #f9f9f9;
    border-radius: 8px;
}

.popup-details h3 {
    color: #333;
    margin-bottom: 15px;
    font-size: 1.4em;
}

.popup-details ul {
    list-style-type: none;
    padding: 0;
    margin: 0;
}

.popup-details li {
    padding: 8px 0;
    border-bottom: 1px solid #eee;
    color: #666;
    font-size: 1.1em;
}

.popup-details li:last-child {
    border-bottom: none;
}

/* News Popup Styles */
.news-popup {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 128, 0.9);
    z-index: 1000;
    overflow-y: auto;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.news-popup.active {
    display: flex;
    opacity: 1;
    align-items: center;
    justify-content: center;
}

.news-popup .popup-content {
    background: white;
    max-width: 90vw;
    width: min(800px, 90vw);
    max-height: 95vh;
    margin: 20px;
    border-radius: 20px;
    position: relative;
    transform: translateY(30px);
    opacity: 0;
    transition: all 0.3s ease;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    display: flex;
    flex-direction: column;
}

.news-popup.active .popup-content {
    transform: translateY(0);
    opacity: 1;
}

.news-popup .popup-content img {
    width: 100%;
    height: auto;
    max-height: 50vh;
    object-fit: contain;
    display: block;
    margin: 0 auto;
}

.news-popup .popup-text {
    padding: clamp(15px, 2vw, 20px);
    overflow-y: auto;
    flex: 1;
    max-height: 40vh;
}

.news-popup h3 {
    color: #000080;
    font-size: clamp(1.1rem, 2.5vw, 1.5em);
    margin-bottom: 10px;
    line-height: 1.3;
}

.news-popup .popup-date {
    color: #f4a460;
    font-size: clamp(0.8rem, 1.8vw, 1em);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.news-popup .popup-description {
    color: #555;
    font-size: clamp(0.9rem, 1.8vw, 1em);
    line-height: 1.6;
    overflow-y: auto;
}

.news-popup .close-popup {
    position: fixed;
    top: clamp(15px, 2vw, 25px);
    right: clamp(15px, 2vw, 25px);
    width: clamp(30px, 4vw, 40px);
    height: clamp(30px, 4vw, 40px);
    background: rgba(255, 255, 255, 0.95);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: clamp(18px, 3vw, 24px);
    color: #000080;
    transition: all 0.3s ease;
    z-index: 1001;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.news-popup .close-popup:hover {
    background: #000080;
    color: white;
    transform: rotate(90deg);
}

/* Responsive adjustments for news popup */
@media (max-width: 768px) {
    .news-popup .popup-content {
        width: 95vw;
        max-height: 95vh;
        margin: 10px;
    }

    .news-popup .popup-content img {
        max-height: 45vh;
    }
}

@media (max-width: 480px) {
    .news-popup .popup-content {
        width: 98vw;
        max-height: 98vh;
        margin: 5px;
        border-radius: 15px;
    }

    .news-popup .popup-content img {
        max-height: 40vh;
    }

    .news-popup .close-popup {
        top: 10px;
        right: 10px;
        width: 35px;
        height: 35px;
        font-size: 20px;
    }
}

/* Ensure body doesn't scroll when popup is open */
body.popup-open {
    overflow: hidden;
    position: fixed;
    width: 100%;
}

/* Mobile Navigation Styles */
@media (max-width: 768px) {
    .nav-toggle {
        display: block;
        position: fixed;
        top: 20px;
        right: 30px;
    }

    header.shrink .nav-toggle {
        top: 15px;
    }

    nav {
        position: fixed;
        top: 0;
        right: -100%;
        height: 100vh;
        width: 80%;
        max-width: 300px;
        background: white;
        padding: 80px 30px 20px;
        transition: right 0.3s ease;
        z-index: 1000;
        box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }

    nav.active {
        right: 0;
    }

    nav ul {
        flex-direction: column;
        gap: 20px;
        padding: 0 10px 40px;
    }

    nav ul li {
        width: 100%;
    }

    nav ul li a {
        display: block;
        padding: 15px 20px;
        width: 100%;
        box-sizing: border-box;
        font-size: 1.1em;
        border-radius: 8px;
        background: rgba(0, 0, 128, 0.03);
    }

    nav ul li a:hover {
        background: rgba(0, 0, 128, 0.08);
        transform: translateX(5px);
    }

    .mobile-menu-backdrop {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.5);
        backdrop-filter: blur(5px);
        -webkit-backdrop-filter: blur(5px);
        z-index: 999;
    }

    .mobile-menu-backdrop.active {
        display: block;
    }

    body.nav-active {
        overflow: hidden;
    }
}

@media (max-width: 480px) {
    .nav-toggle {
        right: 20px;
    }
    
    nav {
        padding: 80px 25px 20px;
    }
}

/* Hamburger Menu Styles */
.nav-toggle {
    display: none;
    cursor: pointer;
    z-index: 1001;
    padding: 10px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 5px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.hamburger-menu {
    width: 30px;
    height: 20px;
    position: relative;
}

.hamburger-menu span {
    display: block;
    position: absolute;
    height: 3px;
    width: 100%;
    background: #000080;
    border-radius: 3px;
    transition: all 0.3s ease;
}

.hamburger-menu span:first-child {
    top: 0;
}

.hamburger-menu span:nth-child(2) {
    top: 8px;
}

.hamburger-menu span:last-child {
    top: 16px;
}

/* Active state for hamburger menu */
.nav-active .hamburger-menu span:first-child {
    transform: rotate(45deg);
    top: 8px;
}

.nav-active .hamburger-menu span:nth-child(2) {
    opacity: 0;
}

.nav-active .hamburger-menu span:last-child {
    transform: rotate(-45deg);
    top: 8px;
}

/* Mobile Navigation Styles */
@media (max-width: 768px) {
    .nav-toggle {
        display: block;
        position: fixed;
        top: 20px;
        right: 30px;
    }

    header.shrink .nav-toggle {
        top: 15px;
    }

    nav {
        position: fixed;
        top: 0;
        right: -100%;
        height: 100vh;
        width: 80%;
        max-width: 300px;
        background: white;
        padding: 80px 30px 20px;
        transition: right 0.3s ease;
        z-index: 1000;
        box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }

    nav.active {
        right: 0;
    }

    nav ul {
        flex-direction: column;
        gap: 20px;
        padding: 0 10px 40px;
    }

    nav ul li {
        width: 100%;
    }

    nav ul li a {
        display: block;
        padding: 15px 20px;
        width: 100%;
        box-sizing: border-box;
        font-size: 1.1em;
        border-radius: 8px;
        background: rgba(0, 0, 128, 0.03);
    }

    nav ul li a:hover {
        background: rgba(0, 0, 128, 0.08);
        transform: translateX(5px);
    }

    .mobile-menu-backdrop {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.5);
        backdrop-filter: blur(5px);
        -webkit-backdrop-filter: blur(5px);
        z-index: 999;
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.3s ease, visibility 0.3s ease;
    }

    .mobile-menu-backdrop.active {
        opacity: 1;
        visibility: visible;
    }

    body.nav-active {
        overflow: hidden;
    }
}

/* Footer Styles */
.footer {
    background: linear-gradient(135deg, #cacaeb 0%, #283593 100%);
    padding: 25px 40px;
    color: white;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at top right, rgba(255, 255, 255, 0.1) 0%, transparent 60%);
    pointer-events: none;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    z-index: 1;
}

.footer-left, .footer-right {
    display: flex;
    align-items: center;
}

.footer-copyright {
    margin: 0;
    font-size: 0.9rem;
    color: rgba(0, 0, 0, 0.9);
    font-family: 'Poppins', sans-serif;
    letter-spacing: 0.3px;
}

.footer-email {
    color: rgba(0, 0, 0, 0.9);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    padding: 8px 15px;
    border-radius: 5px;
    font-family: 'Poppins', sans-serif;
    background: rgba(255, 255, 255, 0.1);
}

.footer-email:hover {
    color: white;
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-1px);
}

.footer-email i {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.9);
}

@media (max-width: 768px) {
    .footer {
        padding: 20px;
    }

    .footer-content {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }

    .footer-left, .footer-right {
        justify-content: center;
    }
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .category-header {
        flex-direction: column;
        align-items: flex-start;
        gap: clamp(15px, 3vw, 20px);
    }

    .category-logos {
        width: 100%;
        max-width: 200px;
        margin: 0 auto;
    }

    .category-title {
        text-align: center;
        width: 100%;
    }

    .project-details ul {
        grid-template-columns: 1fr;
    }
}

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

    .project-category {
        padding: 20px 15px;
    }

    .category-logos {
        padding: 15px;
    }

    .project-details {
        padding: 15px;
    }

    .project-details li {
        padding: 15px;
        font-size: 0.9rem;
    }
}

/* Touch device optimizations */
@media (hover: none) {
    .project-category:hover,
    .project-details li:hover {
        transform: none;
    }

    .project-details li:active {
        transform: scale(0.98);
    }
}