:root {
    --primary-color: #00A3FF;
    --secondary-color: #1A1A1A;
    --text-color: #FFFFFF;
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    background-color: var(--secondary-color);
    color: var(--text-color);
    line-height: 1.6;
    position: relative;
}
/* Mobile Navigation Styles */
.mobile-sidebar {
    position: fixed;
    top: 0;
    right: -300px;
    width: 300px;
    height: 100%;
    background: var(--secondary-color);
    transition: var(--transition);
    z-index: 1002;
    display: flex;
    flex-direction: column;
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
}

.mobile-sidebar.active {
    right: 0;
}

.sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.close-menu {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-color);
    cursor: pointer;
    transition: var(--transition);
}

.close-menu:hover {
    color: var(--primary-color);
    transform: rotate(90deg);
}

.mobile-sidebar .nav-links {
    display: flex;
    flex-direction: column;
    padding: 2rem 1.5rem;
    flex-grow: 1;
}

.mobile-sidebar .nav-links a {
    color: var(--text-color);
    text-decoration: none;
    padding: 1rem 0;
    font-size: 1.2rem;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    margin: 0;
}

.mobile-sidebar .nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

.mobile-sidebar .nav-links a:hover::after,
.mobile-sidebar .nav-links a.active::after {
    width: 100%;
}

.mobile-sidebar .nav-links a:hover,
.mobile-sidebar .nav-links a.active {
    color: var(--primary-color);
    padding-left: 10px;
}

.sidebar-social {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    padding: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-social a {
    color: var(--text-color);
    font-size: 1.2rem;
    transition: var(--transition);
}

.sidebar-social a:hover {
    color: var(--primary-color);
    transform: translateY(-3px);
}

.mobile-nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    -webkit-backdrop-filter: blur(5px);
    backdrop-filter: blur(5px);
    z-index: 1001;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.mobile-nav-overlay.active {
    opacity: 1;
    visibility: visible;
}
.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-color);
    cursor: pointer;
    z-index: 1001;
    transition: var(--transition);
}

.menu-toggle:hover {
    color: var(--primary-color);
    transform: scale(1.1);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem 10%;
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 1000;
    transition: all 0.3s ease-in-out;
    background-color: transparent;
    backdrop-filter: blur(0);
}

nav.scrolled {
    background-color: rgba(26, 26, 26, 0.85);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

main {
    min-height: 100vh;
    width: 100%;
    padding: 120px 10% 60px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 2rem;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease forwards;
}

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

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    margin-left: 2rem;
    transition: var(--transition);
    font-weight: 500;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

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

.hero-content {
    padding-right: 3rem;
    animation: fadeInLeft 1s ease;
    display: flex;
    flex-direction: column;
}

.hero-text-content {
    order: 1;
}

.hero-image-mobile {
    display: none;
    order: 2;
    margin: 2rem 0;
    width: 250px;
    height: 250px;
    margin-left: auto;
    margin-right: auto;
    border-radius: 50%;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.hero-image-mobile img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    mix-blend-mode: normal;
}

.hero-actions {
    order: 3;
}

h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    line-height: 1.2;
    background: linear-gradient(45deg, var(--text-color), var(--primary-color));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

h2 {
    color: var(--primary-color);
    font-size: 2rem;
    margin-bottom: 1.5rem;
    opacity: 0;
    animation: fadeInUp 1s ease 0.3s forwards;
}

p {
    margin-bottom: 2rem;
    line-height: 1.6;
    opacity: 0;
    animation: fadeInUp 1s ease 0.6s forwards;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    opacity: 0;
    animation: fadeInUp 1s ease 0.9s forwards;
}

.btn {
    padding: 1rem 2.5rem;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-weight: 500;
    position: relative;
    overflow: hidden;
    z-index: 1;
    text-decoration: none;
    display: inline-block;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: width 0.6s ease, height 0.6s ease;
    z-index: -1;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn.primary {
    background-color: transparent;
    color: var(--text-color);
    border: 2px solid var(--text-color);
}

.btn.primary:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--text-color);
}

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

.btn.secondary:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--text-color);
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 163, 255, 0.3);
}

.social-links {
    display: flex;
    gap: 1rem;
    opacity: 0;
    animation: fadeInUp 1s ease 1.2s forwards;
}

.social-links a {
    color: var(--text-color);
    background-color: rgba(255, 255, 255, 0.1);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    text-decoration: none;
}

.social-links a::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 0;
    height: 0;
    background: var(--primary-color);
    border-radius: 50%;
    transition: width 0.4s ease, height 0.4s ease;
    z-index: -1;
}

.social-links a:hover::before {
    width: 100%;
    height: 100%;
    border-radius: 50%;
}

.social-links a:hover {
    transform: translateY(-3px);
    color: var(--text-color);
}

.hero-image-desktop {
    position: relative;
    width: 400px;
    height: 400px;
    margin: 0 auto;
    border-radius: 50%;
    overflow: hidden;
    animation: fadeInRight 1s ease;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.hero-image-desktop img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    mix-blend-mode: normal;
}

.hero-image-desktop::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        45deg,
        rgba(255, 255, 255, 0.1),
        transparent
    );
    border-radius: 50%;
}

.hero-image-mobile::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        45deg,
        rgba(255, 255, 255, 0.1),
        transparent
    );
    border-radius: 50%;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
    margin-top: 2rem;
}

.about-content {
    padding-right: 2rem;
}

.about-content h2 {
    color: var(--primary-color);
    margin: 2rem 0 1rem;
}

.about-content p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.about-image-container {
    position: sticky;
    top: 120px;
    height: fit-content;
}

.about-image {
    position: relative;
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    aspect-ratio: 4/5;
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.skills {
    margin-top: 2rem;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 1rem;
}

.skill-tags span {
    background: rgba(0, 163, 255, 0.1);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.9rem;
    transition: var(--transition);
}

.skill-tags span:hover {
    background: var(--primary-color);
    transform: translateY(-2px);
}

.github-section {
    text-align: center;
    margin: 2rem 0 4rem;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
}

.github-section h2 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.github-btn {
    margin-top: 1.5rem;
}

.github-btn i {
    margin-right: 0.5rem;
}

.portfolio-item-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 2rem;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.95));
    transform: translateY(100%);
    transition: var(--transition);
}

.portfolio-links {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.portfolio-links .btn {
    font-size: 0.9rem;
    padding: 0.8rem 1.5rem;
}

.service-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 20px;
    transition: var(--transition);
    animation: fadeInUp 0.6s ease forwards;
    opacity: 0;
    transform: translateY(20px);
}

.service-card:nth-child(1) { animation-delay: 0.1s; }
.service-card:nth-child(2) { animation-delay: 0.2s; }
.service-card:nth-child(3) { animation-delay: 0.3s; }
.service-card:nth-child(4) { animation-delay: 0.4s; }
.service-card:nth-child(5) { animation-delay: 0.5s; }

.service-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.1);
}

.service-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Contact Section Styles */
.contact-section {
    padding: 120px 10% 60px;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.contact-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 20px;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.contact-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.1);
}

.contact-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent, rgba(0, 163, 255, 0.1), transparent);
    transform: translateX(-100%);
    transition: 0.5s;
}

.contact-card:hover::before {
    transform: translateX(100%);
}

.contact-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.contact-card h3 {
    margin-bottom: 1rem;
    color: var(--text-color);
}

.contact-card p, .contact-card a {
    color: var(--text-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-card a:hover {
    color: var(--primary-color);
}

.contact-form {
    margin-top: 4rem;
    background: rgba(255, 255, 255, 0.05);
    padding: 3rem;
    border-radius: 20px;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    color: var(--text-color);
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    background: rgba(255, 255, 255, 0.15);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

@media (max-width: 1024px) {
    h1 {
        font-size: 3rem;
    }
    
    h2 {
        font-size: 1.8rem;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    
    .desktop-nav {
        display: none;
    }
    
    main {
        grid-template-columns: 1fr;
        text-align: center;
        padding-top: 6rem;
    }

    .hero-content {
        padding-right: 0;
    }

    .hero-image-mobile {
        display: block;
        position: relative;
        animation: fadeInUp 1s ease 0.5s both;
    }

    .hero-image-desktop {
        display: none;
    }

    .cta-buttons, .social-links {
        justify-content: center;
    }

    nav {
        padding: 1rem 5%;
    }
    
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .hero-image-mobile {
        width: 200px;
        height: 200px;
    }
}

@media (max-width: 768px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .about-content {
        padding-right: 0;
    }

    .about-image-container {
        position: relative;
        top: 0;
        order: -1;
    }

    .about-image {
        max-width: 400px;
        margin: 0 auto;
    }
}

/* Additional styles for other pages */
.about-section,
.services-section,
.portfolio-section,
.contact-section {
    padding: 120px 10% 60px;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease forwards;
}

.about-grid {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: 3rem;
    margin-top: 2rem;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 1rem;
}

.skill-tags span {
    background: rgba(0, 163, 255, 0.1);
    color: var(--primary-color);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.9rem;
}

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

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

.portfolio-item {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
}

.portfolio-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.portfolio-item:hover .portfolio-item-content {
    transform: translateY(0);
}

@media (max-width: 768px) {
    .about-grid,
    .services-grid,
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .about-section,
    .services-section,
    .portfolio-section,
    .contact-section {
        padding: 100px 5% 40px;
    }
}

/* Scroll to top button */
.scroll-top-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 40px;
    height: 40px;
    background-color: var(--primary-color);
    color: var(--text-color);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: none;
    font-size: 20px;
    line-height: 40px;
    text-align: center;
    transition: all 0.3s ease;
    z-index: 1000;
    opacity: 0.8;
}

.scroll-top-btn:hover {
    opacity: 1;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 163, 255, 0.3);
}

/* Enhanced responsive styles */
@media (max-width: 768px) {
    .scroll-top-btn {
        bottom: 20px;
        right: 20px;
        width: 35px;
        height: 35px;
        font-size: 18px;
        line-height: 35px;
    }
    
    .btn {
        padding: 0.8rem 2rem;
        font-size: 0.9rem;
    }
}