:root {
    --primary-color: #3A2D72;    /* Royal Indigo */
    --secondary-color: #00F9FF;  /* Electric Cyan */
    --accent-color: #FFD500;     /* Solar Yellow */
    --bg-color: #F9F9F9;         /* Misty White */
    --text-color: #333333;       /* Charcoal Gray */
    --transition: all 0.3s ease;
    --accent-color-rgb: 255, 213, 0;     /* Solar Yellow RGB */
    --secondary-color-rgb: 0, 249, 255;  /* Electric Cyan RGB */
    --background-color: #f5f5f7;      /* Soft light gray background */
    --card-background: #ffffff;        /* White for cards */
    --section-background: #f8f9fa;     /* Alternative light background for sections */
    --nav-background: rgba(255, 255, 255, 0.95);  /* Slightly transparent white for nav */
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
    padding-top: 70px;
}

/* Navigation */
#navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

#navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
}

#navbar.hidden {
    transform: translateY(-100%);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    max-width: 1200px;
    padding: 0 20px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-links {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--primary-color);
}

/* Enhanced Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    overflow: hidden;
}

.hero-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
}

.hero-content {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    padding: 2rem;
    height: 100vh;
    align-items: center;
}

.hero-left {
    display: flex;
    justify-content: center;
    align-items: center;
}

.profile-container {
    position: relative;
    width: 300px;
    height: 300px;
}

.profile-image {
    width: 100%;
    height: 100%;
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    object-fit: cover;
    position: relative;
    z-index: 2;
    animation: floatImage 6s ease-in-out infinite;
    
}

.profile-blob {
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    background: linear-gradient(45deg, var(--accent-color), var(--secondary-color));
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    animation: morphBlob 15s ease-in-out infinite;
    opacity: 0.3;
    z-index: 1;
}

@keyframes floatImage {
    0% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-15px) rotate(2deg);
    }
    100% {
        transform: translateY(0) rotate(0deg);
    }
}
@keyframes morphBlob {
    0% {
        border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
        transform: scale(1);
    }
    25% {
        border-radius: 58% 42% 75% 25% / 76% 46% 54% 24%;
        transform: scale(1.05);
    }
    50% {
        border-radius: 50% 50% 33% 67% / 55% 27% 73% 45%;
        transform: scale(1);
    }
    75% {
        border-radius: 33% 67% 58% 42% / 63% 68% 32% 37%;
        transform: scale(1.05);
    }
    100% {
        border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
        transform: scale(1);
    }
}

.hero-right {
    position: relative;
}

.hero-text-content {
    position: relative;
    z-index: 2;
}

.glitch {
    font-size: 4rem;
    font-weight: bold;
    text-transform: uppercase;
    position: relative;
    text-shadow: 0.05em 0 0 var(--accent-color), -0.025em -0.05em 0 var(--secondary-color),
                 0.025em 0.05em 0 var(--primary-color);
    animation: glitch 1s infinite;
}

.glitch span {
    position: absolute;
    top: 0;
    left: 0;
}

@keyframes glitch {
    0% {
        text-shadow: 0.05em 0 0 var(--accent-color), -0.025em -0.05em 0 var(--secondary-color),
                     0.025em 0.05em 0 var(--primary-color);
    }
    14% {
        text-shadow: 0.05em 0 0 var(--accent-color), -0.025em -0.05em 0 var(--secondary-color),
                     0.025em 0.05em 0 var(--primary-color);
    }
    15% {
        text-shadow: -0.05em -0.025em 0 var(--accent-color), 0.025em 0.025em 0 var(--secondary-color),
                     -0.05em -0.05em 0 var(--primary-color);
    }
    49% {
        text-shadow: -0.05em -0.025em 0 var(--accent-color), 0.025em 0.025em 0 var(--secondary-color),
                     -0.05em -0.05em 0 var(--primary-color);
    }
    50% {
        text-shadow: 0.025em 0.05em 0 var(--accent-color), 0.05em 0 0 var(--secondary-color),
                     0 -0.05em 0 var(--primary-color);
    }
    99% {
        text-shadow: 0.025em 0.05em 0 var(--accent-color), 0.05em 0 0 var(--secondary-color),
                     0 -0.05em 0 var(--primary-color);
    }
    100% {
        text-shadow: -0.025em 0 0 var(--accent-color), -0.025em -0.025em 0 var(--secondary-color),
                     -0.025em -0.05em 0 var(--primary-color);
    }
}

.role-container {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 1rem 0;
}

.role-prefix {
    color: var(--accent-color);
    font-size: 1.2rem;
}

.hero-description {
    font-size: 1.2rem;
    margin: 1.5rem 0;
    color: rgba(255, 255, 255, 0.9);
}

.tech-stack {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.tech-stack i {
    font-size: 1.5rem;
    color: var(--accent-color);
    animation: float 3s ease-in-out infinite;
}

.tech-stack i:nth-child(2) {
    animation-delay: 0.2s;
}

.tech-stack i:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes float {
    0% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
    100% {
        transform: translateY(0);
    }
}

.circuit-board {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background: 
        linear-gradient(90deg, var(--primary-color) 2px, transparent 2px) 0 0,
        linear-gradient(0deg, var(--primary-color) 2px, transparent 2px) 0 0;
    background-size: 40px 40px;
    background-color: transparent;
    opacity: 0.1;
    animation: circuit 20s linear infinite;
}

@keyframes circuit {
    0% {
        background-position: 0 0;
    }
    100% {
        background-position: 40px 40px;
    }
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    color: white;
}

.expand-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
    margin: 2rem auto 0;
    color: var(--primary-color);
    font-weight: 600;
    font-size: 1.1rem;
    outline: none;
    user-select: none;
    transition: color 0.2s;
}
.expand-indicator:focus {
    color: var(--accent-color);
}
.expand-text {
    margin-bottom: 0.3rem;
    letter-spacing: 0.5px;
}
.expand-arrows {
    display: flex;
    flex-direction: column;
    align-items: center;
}
.expand-arrows .arrow {
    display: block;
    width: 14px;
    height: 14px;
    border-bottom: 2.5px solid var(--primary-color);
    border-right: 2.5px solid var(--primary-color);
    transform: rotate(45deg);
    margin: -4px 0;
    opacity: 0.7;
    animation: expand-arrows-bounce 2s infinite;
}
.expand-arrows .arrow:nth-child(2) {
    animation-delay: -0.15s;
}
.expand-arrows .arrow:nth-child(3) {
    animation-delay: -0.3s;
}
@keyframes expand-arrows-bounce {
    0% { opacity: 0; transform: rotate(45deg) translateY(-10px);}
    40% { opacity: 1; transform: rotate(45deg) translateY(0);}
    100% { opacity: 0; transform: rotate(45deg) translateY(10px);}
}
/* When expanded, rotate arrows up and change text */
.expand-indicator[aria-expanded="true"] .expand-arrows .arrow {
    transform: rotate(-135deg);
    animation: expand-arrows-up 2s infinite;
}
@keyframes expand-arrows-up {
    0% { opacity: 0; transform: rotate(-135deg) translateY(10px);}
    40% { opacity: 1; transform: rotate(-135deg) translateY(0);}
    100% { opacity: 0; transform: rotate(-135deg) translateY(-10px);}
}
.expand-indicator[aria-expanded="true"] .expand-text {
    content: "Show Less";
}

@media (max-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .profile-container {
        width: 200px;
        height: 200px;
        margin: 0 auto;
    }

    .glitch {
        font-size: 2.5rem;
    }

    .tech-stack {
        justify-content: center;
    }
}

/* Navbar Styles */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1rem 2rem;
    background: rgba(var(--bg-color-rgb), 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    border-bottom: 2px solid rgba(var(--accent-color-rgb), 0.1);
}

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--accent-color);
    text-decoration: none;
    transition: all 0.3s ease;
}

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

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-links a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.nav-links a:hover {
    color: var(--accent-color);
    background: rgba(var(--accent-color-rgb), 0.1);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    padding: 10px;
    z-index: 1001;
    border: none;
    background: transparent;
}

.hamburger span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 3px;
    transition: all 0.3s ease;
}

/* Mobile Styles */
@media (max-width: 768px) {
    .navbar {
        padding: 1rem;
    }

    .hamburger {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background: var(--bg-color);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 2rem;
        transition: all 0.3s ease;
        opacity: 0;
        visibility: hidden;
    }

    .nav-links.active {
        right: 0;
        opacity: 1;
        visibility: visible;
    }

    .nav-links a {
        font-size: 1.2rem;
        padding: 1rem 2rem;
        width: 200px;
        text-align: center;
    }

    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }

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

    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
}

/* Small screens */
@media (max-width: 480px) {
    .navbar {
        padding: 0.8rem;
    }

    .logo {
        font-size: 1.5rem;
    }

    .nav-links a {
        width: 180px;
        font-size: 1.1rem;
    }
}

/* Ensure content doesn't hide under navbar */
body {
    padding-top: 70px;
}

/* Dark mode considerations */
@media (prefers-color-scheme: dark) {
    .navbar {
        background: rgba(var(--bg-color-rgb), 0.95);
    }
}

/* Story Button Tooltip */
#myStoryBtn {
    position: relative;
}

#myStoryBtn::before {
    content: "Click to explore my journey from Medical Lab Science to Tech! 🚀";
    position: absolute;
    top: -60px;
    left: 50%;
    transform: translateX(-50%) scale(0);
    background: var(--bg-secondary);
    color: var(--text-primary);
    padding: 10px;
    border-radius: 8px;
    font-size: 0.9rem;
    width: max-content;
    max-width: 200px;
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

#myStoryBtn:hover::before {
    opacity: 1;
    transform: translateX(-50%) scale(1);
    top: -70px;
}

/* Mobile Responsive Styles */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 70px;
        right: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--bg-color);
        flex-direction: column;
        align-items: center;
        padding: 2rem;
        transition: all 0.3s ease;
    }

    .nav-links.active {
        right: 0;
    }

    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }

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

    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }

    /* Optional Components for Mobile */
    .particles-js {
        display: none;
    }

    /* Adjust certifications timeline for mobile */
    .cert-timeline::after {
        left: 31px;
    }

    .cert-item {
        width: 100%;
        padding-left: 70px;
        padding-right: 25px;
    }

    .cert-item:nth-child(odd),
    .cert-item:nth-child(even) {
        left: 0;
    }

    .cert-item:nth-child(odd)::after,
    .cert-item:nth-child(even)::after {
        left: 19px;
    }

    .cert-item:nth-child(odd) .cert-content::before,
    .cert-item:nth-child(even) .cert-content::before {
        left: -15px;
        border-width: 10px 15px 10px 0;
        border-color: transparent var(--bg-secondary) transparent transparent;
    }
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    margin: 0.5rem;
}

.btn.primary {
    background-color: var(--accent-color);
    color: var(--primary-color);
}

.btn.secondary {
    background-color: transparent;
    border: 2px solid var(--accent-color);
    color: white;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* Sections */
section {
    padding: 5rem 2rem;
}

section h2 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 3rem;
    font-size: 2.5rem;
}

/* About Section */
.about-content {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    align-items: center;
}

.about-images {
    display: flex;
    justify-content: center;
    align-items: center;
}

.about-images img {
    width: 100%;
    max-width: 350px;
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(58, 45, 114, 0.08);
    transition: var(--transition);
}

.about-images img:hover {
    transform: scale(1.05);
}

/* Responsive: stack vertically on mobile */
@media (max-width: 768px) {
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    .about-images {
        justify-content: center;
        margin-top: 2rem;
    }
    .about-images img {
        max-width: 220px;
        margin: 0 auto;
    }
}

/* Projects Section */
.project-filter {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.filter-btn {
    padding: 0.5rem 1.5rem;
    border: none;
    border-radius: 25px;
    background: transparent;
    color: var(--text-color);
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid var(--primary-color);
}

.filter-btn.active,
.filter-btn:hover {
    background: var(--primary-color);
    color: white;
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.project-card {
    position: relative;
    overflow: hidden;
    border-radius: 15px;
    transition: all 0.3s ease;
    aspect-ratio: 16/9;
    background: var(--card-background);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.project-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.project-card:hover img {
    transform: scale(1.1);
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(58, 45, 114, 0.95);
    color: white;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s ease;
    text-align: center;
}

.project-card:hover .project-overlay {
    opacity: 1;
    transform: translateY(0);
}

.project-badges {
    position: absolute;
    top: 1rem;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.project-badges span {
    background: var(--accent-color);
    color: var(--primary-color);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

.project-overlay h3 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
    color: var(--accent-color);
}

.project-overlay h4 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

.project-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
    margin: 1rem 0;
}

.project-features span {
    background: rgba(255, 255, 255, 0.1);
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
}

.project-overlay .btn {
    margin-top: 1rem;
    background: var(--accent-color);
    color: var(--primary-color);
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 25px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.project-overlay .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

@media (max-width: 768px) {
    .project-overlay {
        padding: 1rem;
    }
    
    .project-overlay h3 {
        font-size: 1.4rem;
    }
    
    .project-overlay h4 {
        font-size: 1rem;
    }
    
    .project-features {
        display: none;
    }
}

/* Skills Section */
.skills {
    padding: 6rem 2rem;
    background: var(--bg-color);
    position: relative;
    overflow: hidden;
}

.skills::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(var(--accent-color-rgb), 0.05), rgba(var(--secondary-color-rgb), 0.05));
    z-index: 0;
}

.skills-content {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    gap: 2rem;
}

.skills-category {
    background: rgba(255, 255, 255, 0.03);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.skills-category:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    border-color: rgba(var(--accent-color-rgb), 0.3);
}

.skills-category h3 {
    color: var(--accent-color);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.2rem;
}

.skills-category h3 i {
    font-size: 1.3em;
    color: var(--accent-color);
    opacity: 0.9;
}

.skills-grid {
    display: grid;
    gap: 1.2rem;
}

.skill-item {
    margin-bottom: 0.8rem;
}

.skill-name {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-color);
    font-weight: 500;
    font-size: 0.95rem;
    opacity: 0.9;
}

.skill-bar {
    height: 6px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 3px;
    overflow: hidden;
    position: relative;
}

.skill-progress {
    height: 100%;
    border-radius: 3px;
    background: linear-gradient(90deg, 
        var(--accent-color),
        var(--secondary-color)
    );
    position: relative;
    transform: scaleX(0);
    transform-origin: left;
    animation: skillProgress 1.2s ease-out forwards;
}

.skill-progress::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg,
        rgba(255, 255, 255, 0.1),
        rgba(255, 255, 255, 0.2)
    );
    border-radius: inherit;
}

@keyframes skillProgress {
    0% {
        transform: scaleX(0);
        opacity: 0;
    }
    100% {
        transform: scaleX(1);
        opacity: 1;
    }
}

/* Add subtle glow effect on hover */
.skills-category:hover .skill-progress {
    filter: brightness(1.1);
    box-shadow: 0 0 15px rgba(var(--accent-color-rgb), 0.3);
}

@media (min-width: 768px) {
    .skills-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 767px) {
    .skills-category {
        padding: 1.5rem;
    }
    
    .skill-name {
        font-size: 0.9rem;
    }
    
    .skills-category h3 {
        font-size: 1.1rem;
    }
}

/* Learning Journey Section */
.certifications {
    padding: 6rem 2rem;
    min-height: 100vh;
    position: relative;
    overflow: hidden;
}

.cert-timeline {
    position: relative;
    max-width: 1200px;
    margin: 4rem auto;
    padding: 2rem 0;
}

.cert-timeline::after {
    content: '';
    position: absolute;
    width: 6px;
    background: var(--accent-color);
    top: 0;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 12px;
}

.cert-item {
    padding: 1rem;
    position: relative;
    width: 50%;
    margin: 2rem 0;
}

.cert-item::after {
    content: '';
    position: absolute;
    width: 25px;
    height: 25px;
    background: var(--accent-color);
    border: 4px solid var(--bg-color);
    top: 50%;
    border-radius: 50%;
    z-index: 1;
    box-shadow: 0 0 0 4px rgba(var(--accent-color-rgb), 0.2);
    transition: all 0.3s ease;
}

.cert-item:hover::after {
    background: var(--bg-color);
    border-color: var(--accent-color);
    transform: scale(1.2);
}

.cert-item:nth-child(odd) {
    left: 0;
    padding-right: 3rem;
}

.cert-item:nth-child(even) {
    left: 50%;
    padding-left: 3rem;
}

.cert-item:nth-child(odd)::after {
    right: -12px;
}

.cert-item:nth-child(even)::after {
    left: -13px;
}

.cert-content {
    padding: 1.5rem;
    background: var(--bg-secondary);
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    position: relative;
}

.cert-content::before {
    content: '';
    position: absolute;
    border-style: solid;
    top: 50%;
    transform: translateY(-50%);
}

.cert-item:nth-child(odd) .cert-content::before {
    right: -15px;
    border-width: 10px 0 10px 15px;
    border-color: transparent transparent transparent var(--bg-secondary);
}

.cert-item:nth-child(even) .cert-content::before {
    left: -15px;
    border-width: 10px 15px 10px 0;
    border-color: transparent var(--bg-secondary) transparent transparent;
}

.cert-content:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.cert-date {
    font-size: 0.9rem;
    color: var(--accent-color);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.cert-title {
    font-size: 1.2rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.cert-issuer {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.cert-description {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.cert-link {
    display: inline-block;
    margin-top: 1rem;
    color: var(--accent-color);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.cert-link:hover {
    color: var(--text-primary);
    transform: translateX(5px);
}

@media (max-width: 768px) {
    .cert-timeline::after {
        left: 31px;
    }

    .cert-item {
        width: 100%;
        padding-left: 70px;
        padding-right: 25px;
    }

    .cert-item:nth-child(odd) {
        left: 0;
    }

    .cert-item:nth-child(even) {
        left: 0;
    }

    .cert-item:nth-child(odd)::after,
    .cert-item:nth-child(even)::after {
        left: 19px;
        right: auto;
    }

    .cert-item:nth-child(odd) .cert-content::before,
    .cert-item:nth-child(even) .cert-content::before {
        left: -15px;
        right: auto;
        border-width: 10px 15px 10px 0;
        border-color: transparent var(--bg-secondary) transparent transparent;
    }
}

/* Contact Section */
.contact {
    padding: 6rem 2rem;
    background: var(--bg-color);
    position: relative;
    text-align: center;
}

.contact-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    margin: 40px 0;
}

.contact-btn {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 2px solid var(--accent-color);
    padding: 15px 30px;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.contact-btn:hover {
    background: var(--accent-color);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.contact-btn i {
    font-size: 1.2rem;
}

.interaction-panel {
    display: none;
    max-width: 600px;
    margin: 30px auto;
    padding: 30px;
    background: var(--bg-secondary);
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    border: 2px solid var(--accent-color);
}

.interaction-panel.active {
    display: block;
    animation: fadeIn 0.3s ease-in-out;
}

.social-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    margin-top: 20px;
}

.social-links a {
    color: var(--text-primary);
    text-decoration: none;
    padding: 15px 25px;
    border-radius: 12px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--bg-secondary);
    border: 2px solid var(--accent-color);
    font-weight: 500;
    min-width: 180px;
    justify-content: center;
}

.social-links a i {
    font-size: 1.5rem;
    width: 24px;
    text-align: center;
    color: var(--accent-color);
}

.social-links a:hover {
    background: var(--accent-color);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.social-links a:hover i,
.social-links a:hover {
    color: var(--bg-color);
}

.cert-image {
    width: 100%;
    max-width: 120px;
    height: auto;
    margin: 1rem auto 0;
    border-radius: 8px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    display: block;
    object-fit: cover;
    border: 2px solid var(--accent-color);
}

.cert-image:hover {
    transform: scale(1.05);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.cert-image-wrapper {
    position: relative;
    display: inline-block;
    cursor: pointer;
}

.cert-image-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(58,45,114,0.7);
    color: #fff;
    opacity: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 1.1rem;
    border-radius: 8px;
    transition: opacity 0.3s;
    pointer-events: none;
}

.cert-image-wrapper:hover .cert-image-overlay,
.cert-image-wrapper:focus-within .cert-image-overlay {
    opacity: 1;
    pointer-events: auto;
}

.cert-image-wrapper .cert-image {
    transition: filter 0.3s;
}

.cert-image-wrapper:hover .cert-image,
.cert-image-wrapper:focus-within .cert-image {
    filter: brightness(0.7) blur(1px);
}

/* Modal for certificate full view */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0; top: 0; width: 100vw; height: 100vh;
    background: rgba(0,0,0,0.85);
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    max-width: 90vw;
    max-height: 80vh;
    border-radius: 12px;
    box-shadow: 0 8px 40px rgba(0,0,0,0.5);
    background: #fff;
    object-fit: contain;
}

.close-modal {
    position: absolute;
    top: 2rem;
    right: 2rem;
    font-size: 2.5rem;
    color: #fff;
    cursor: pointer;
    z-index: 10;
    transition: color 0.2s;
}

.close-modal:hover {
    color: var(--accent-color);
}

/* Footer */
footer {
    background-color: var(--primary-color);
    color: white;
    padding: 2rem;
    text-align: center;
}

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

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    color: white;
    font-size: 1.5rem;
    transition: var(--transition);
}

.social-links a:hover {
    color: var(--accent-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero {
        grid-template-columns: 1fr;
    }
    
    .about-content,
    .skills-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .project-grid {
        grid-template-columns: 1fr;
    }
    
    .skill-tags {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    }
    
    .project-filter {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .filter-btn {
        font-size: 0.9rem;
        padding: 0.4rem 1.2rem;
    }
    
    .typed-text {
        font-size: 1.2rem;
    }
}

/* Loading Animation */
.loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: white;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.loading::after {
    content: '';
    width: 50px;
    height: 50px;
    border: 5px solid #f3f3f3;
    border-top: 5px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* For alternating sections, you can use: */
section:nth-child(even) {
    background-color: var(--section-background);
}

/* For cards and containers */
.project-card, 
.contact-form,
.about-card {
    background-color: var(--card-background);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);  /* Subtle shadow */
}

/* Navigation background */
nav {
    background-color: var(--nav-background);
    backdrop-filter: blur(10px);  /* Adds a frosted glass effect */
}

.project-carousel-wrapper {
    position: relative;
    width: 100%;
    max-width: 1400px;
    margin: 0 auto 2rem auto;
    display: flex;
    align-items: center;
    justify-content: center;
}
.project-carousel {
    display: flex;
    overflow-x: auto;
    scroll-behavior: smooth;
    gap: 2rem;
    padding: 2rem 0;
    scrollbar-width: none;
    -ms-overflow-style: none;
    width: 100%;
}
.project-carousel::-webkit-scrollbar {
    display: none;
}
.project-card {
    min-width: 370px;
    max-width: 370px;
    flex: 0 0 auto;
}

/* Overlay carousel arrows */
.carousel-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255,255,255,0.85);
    color: var(--primary-color);
    border: none;
    border-radius: 50%;
    width: 44px;
    height: 44px;
    font-size: 2.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(58,45,114,0.08);
    transition: background 0.2s, color 0.2s;
    z-index: 10;
    opacity: 0.85;
    pointer-events: auto;
}
.carousel-arrow.left {
    left: 10px;
}
.carousel-arrow.right {
    right: 10px;
}
.carousel-arrow:hover {
    background: var(--primary-color);
    color: #fff;
    opacity: 1;
}
@media (max-width: 900px) {
    .project-card {
        min-width: 80vw;
        max-width: 80vw;
    }
    .carousel-arrow {
        width: 38px;
        height: 38px;
        font-size: 1.5rem;
    }
}