:root {
    /* Default dark theme */
    --primary-color: #6366f1;
    --primary-color-light: #818cf8;
    --primary-color-dark: #4f46e5;
    --secondary-color: #10b981;
    --secondary-color-light: #34d399;
    --secondary-color-dark: #059669;
    --text-color: #f9fafb;
    --text-color-light: #d1d5db;
    --text-color-dark: #ffffff;
    --background-color: #111827;
    --background-color-light: #1f2937;
    --card-background: #1e293b;
    --border-color: #374151;
    --box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --transition-speed: 0.3s;
}

[data-theme="light"] {
    --primary-color: #4f46e5;
    --primary-color-light: #6366f1;
    --primary-color-dark: #4338ca;
    --secondary-color: #10b981;
    --secondary-color-light: #34d399;
    --secondary-color-dark: #059669;
    --text-color: #1f2937;
    --text-color-light: #4b5563;
    --text-color-dark: #111827;
    --background-color: #f9fafb;
    --background-color-light: #f3f4f6;
    --card-background: #ffffff;
    --border-color: #e5e7eb;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color var(--transition-speed) ease;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

/* Custom cursor */
.cursor-dot,
.cursor-outline {
    position: fixed;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    border-radius: 50%;
}

.cursor-dot {
    width: 8px;
    height: 8px;
    background-color: var(--primary-color);
}

.cursor-outline {
    width: 40px;
    height: 40px;
    border: 2px solid var(--primary-color-light);
    transition: transform 0.15s ease;
}

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background-color: rgba(17, 24, 39, 0.8);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

[data-theme="light"] header {
    background-color: rgba(249, 250, 251, 0.8);
}

header.scrolled {
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 0;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    transition: all 0.3s ease;
}

.logo-text {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.desktop-nav {
    display: flex;
    gap: 2rem;
}

.nav-link {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    position: relative;
    transition: color 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

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

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

.theme-toggle {
    cursor: pointer;
    font-size: 1.2rem;
    margin-left: 1.5rem;
    transition: transform 0.3s ease;
}

.theme-toggle:hover {
    transform: rotate(20deg);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    cursor: pointer;
}

.bar {
    height: 3px;
    width: 100%;
    background-color: var(--text-color);
    border-radius: 10px;
    transition: all 0.3s ease;
}

.mobile-menu {
    position: fixed;
    top: -100%;
    left: 0;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: var(--background-color-light);
    z-index: 99;
    padding: 1rem 0;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: top 0.3s ease;
}

.mobile-menu.open {
    top: 75px;
}

.mobile-nav-link {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    padding: 1rem 0;
    width: 100%;
    text-align: center;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.mobile-nav-link:hover {
    color: var(--primary-color);
    background-color: rgba(99, 102, 241, 0.1);
}

/* Hero Section */
.section-padding {
    padding: 6rem 0;
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding: 8rem 0 5rem;
}

.hero-content {
    display: flex;
    align-items: center;
    gap: 3rem;
}

.hero-text {
    flex: 1;
}

.hero-subtitle {
    color: var(--primary-color);
    font-size: 1.2rem;
    font-weight: 500;
    margin-bottom: 1rem;
}

.hero-title {
    font-size: 4rem;
    line-height: 1.2;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 1rem;
}

.typing-container {
    display: flex;
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
    height: 2rem;
}

#typing-text {
    color: var(--secondary-color);
}

.typing-cursor {
    color: var(--secondary-color);
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    color: var(--text-color-light);
    max-width: 500px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
}

.btn {
    display: inline-block;
    padding: 0.8rem 1.8rem;
    border-radius: 50px;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    outline: none;
    text-align: center;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
    background-color: var(--primary-color-dark);
    transform: translateY(-3px);
    box-shadow: 0 7px 20px rgba(99, 102, 241, 0.5);
}

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

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-3px);
}

.hero-image {
    flex: 1;
    position: relative;
    display: flex;
    justify-content: center;
}

.profile-avatar {
    width: 250px;
    height: 250px;
    background: linear-gradient(135deg, var(--primary-color-dark), var(--secondary-color-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 2;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    border: 5px solid var(--card-background);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.profile-emoji {
    font-size: 8rem;
}

.floating-shapes {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.shape {
    position: absolute;
    background-color: var(--card-background);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    z-index: 1;
}

.shape-1 {
    width: 60px;
    height: 60px;
    top: 0;
    right: 20%;
    animation: float-shape 7s ease-in-out infinite;
}

.shape-2 {
    width: 50px;
    height: 50px;
    bottom: 20%;
    left: 10%;
    animation: float-shape 5s ease-in-out infinite 1s;
}

.shape-3 {
    width: 70px;
    height: 70px;
    bottom: 10%;
    right: 10%;
    animation: float-shape 8s ease-in-out infinite 0.5s;
}

.shape i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

@keyframes float-shape {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(10px, -10px) rotate(5deg); }
    50% { transform: translate(0, -20px) rotate(0deg); }
    75% { transform: translate(-10px, -10px) rotate(-5deg); }
}

/* Section Styling */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 10px;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-color-light);
}

/* Skills Section */
.skills-container {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.skill-category {
    margin-bottom: 2rem;
}

.category-title {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color-light);
    border-left: 4px solid var(--primary-color);
    padding-left: 1rem;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.skill-card {
    background-color: var(--card-background);
    border-radius: 15px;
    padding: 1.5rem;
    box-shadow: var(--box-shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.skill-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 25px -5px rgba(0, 0, 0, 0.2);
}

.skill-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.skill-name {
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.skill-progress {
    background-color: var(--background-color);
    height: 8px;
    border-radius: 10px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 10px;
    transition: width 1s ease-in-out;
}

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

.filter-btn {
    background-color: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-color-light);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
}

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

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
}

.project-card {
    background-color: var(--card-background);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 30px -10px rgba(0, 0, 0, 0.3);
}

.project-image {
    height: 180px;
    background-color: var(--primary-color-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.project-icon {
    font-size: 5rem;
}

.project-content {
    padding: 1.5rem;
}

.project-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-color-dark);
}

.project-description {
    color: var(--text-color-light);
    margin-bottom: 1rem;
    font-size: 0.95rem;
    line-height: 1.7;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.tag {
    font-size: 0.8rem;
    padding: 0.3rem 0.8rem;
    background-color: rgba(99, 102, 241, 0.1);
    color: var(--primary-color);
    border-radius: 50px;
}

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

.project-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--background-color);
    color: var(--text-color);
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all 0.3s ease;
}

.project-link:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-3px);
}

/* Contact Section */
.contact-container {
    display: flex;
    gap: 3rem;
}

.contact-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background-color: var(--card-background);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 1.2rem;
    box-shadow: var(--box-shadow);
}

.contact-text h4 {
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

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

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

.contact-social h4 {
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

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

.social-icon {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background-color: var(--card-background);
    color: var(--text-color);
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-size: 1.2rem;
    transition: all 0.3s ease;
    box-shadow: var(--box-shadow);
}

.social-icon:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-3px);
}

.contact-form {
    flex: 2;
    background-color: var(--card-background);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--box-shadow);
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background-color: var(--background-color);
    border: none;
    border-radius: 10px;
    color: var(--text-color);
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
    transition: box-shadow 0.3s ease;
}

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

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    box-shadow: 0 0 0 2px var(--primary-color);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-color-light);
    opacity: 0.6;
}

/* Footer */
.footer {
    background-color: var(--background-color-light);
    padding: 4rem 0 2rem;
    margin-top: 3rem;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.footer-logo {
    margin-bottom: 1rem;
}

.footer-text {
    margin-bottom: 2rem;
    color: var(--text-color-light);
}

.footer-links {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.footer-link {
    color: var(--text-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-link:hover {
    color: var(--primary-color);
}

.footer-social {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.copyright {
    color: var(--text-color-light);
    font-size: 0.9rem;
}

/* Scroll to Top Button */
.scroll-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 10px 20px rgba(99, 102, 241, 0.4);
    z-index: 99;
}

.scroll-to-top.show {
    opacity: 1;
    visibility: visible;
}

.scroll-to-top:hover {
    background-color: var(--primary-color-dark);
    transform: translateY(-3px);
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 3.5rem;
    }
    
    .profile-avatar {
        width: 220px;
        height: 220px;
    }
    
    .profile-emoji {
        font-size: 7rem;
    }
    
    .contact-container {
        flex-direction: column;
    }
}

@media (max-width: 768px) {
    .desktop-nav {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero-content {
        flex-direction: column-reverse;
        text-align: center;
    }
    
    .hero-text {
        margin-top: 2rem;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }
    
    .contact-info {
        align-items: center;
    }
    
    .contact-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .project-card {
        max-width: 350px;
        margin: 0 auto;
    }
}

@media (max-width: 576px) {
    .section-padding {
        padding: 4rem 0;
    }
    
    .hero {
        padding: 7rem 0 3rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .profile-avatar {
        width: 180px;
        height: 180px;
    }
    
    .profile-emoji {
        font-size: 6rem;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
}

/* Animation Classes */
.fadeIn {
    animation: fadeIn 1s ease forwards;
}

.slideInLeft {
    animation: slideInLeft 1s ease forwards;
}

.slideInRight {
    animation: slideInRight 1s ease forwards;
}

.slideInUp {
    animation: slideInUp 1s ease forwards;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

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

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