:root {
    --primary-color: #2563eb;
    --secondary-color: #7c3aed;
    --text-color: #1f2937;
    --text-light: #6b7280;
    --background-color: #ffffff;
    --background-alt: #f3f4f6;
    --accent-color: #fbbf24;
    --border-color: #e5e7eb;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --success-color: #10b981;
    --error-color: #ef4444;
    --border-radius: 8px;
    --transition: all 0.3s ease;
    --max-width: 1200px;
}

.dark-mode {
    --primary-color: #3b82f6;
    --secondary-color: #8b5cf6;
    --text-color: #e5e7eb;
    --text-light: #9ca3af;
    --background-color: #111827;
    --background-alt: #1f2937;
    --border-color: #374151;
    --shadow-color: rgba(0, 0, 0, 0.25);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-color);
    background-color: var(--background-color);
    line-height: 1.6;
    transition: var(--transition);
}

a {
    text-decoration: none;
    color: var(--primary-color);
    transition: var(--transition);
}

a:hover {
    color: var(--secondary-color);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius);
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header & Navigation */
header {
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 1000;
    background-color: var(--background-color);
    box-shadow: 0 2px 5px var(--shadow-color);
    transition: var(--transition);
}

nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
    max-width: var(--max-width);
    margin: 0 auto;
}

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

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

.nav-links a {
    color: var(--text-color);
    font-weight: 500;
    position: relative;
}

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

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

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

.theme-toggle {
    cursor: pointer;
    font-size: 1.2rem;
    transition: var(--transition);
}

.theme-toggle:hover {
    color: var(--primary-color);
}

.hamburger {
    display: none;
    cursor: pointer;
}

.hamburger .line {
    width: 25px;
    height: 3px;
    background-color: var(--text-color);
    margin: 5px;
    border-radius: 3px;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    padding-top: 120px;
    padding-bottom: 80px;
    position: relative;
    overflow: hidden;
}

.hero .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.hero-content {
    max-width: 600px;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.hero h2 {
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 1.5rem;
}

.highlight {
    color: var(--primary-color);
    position: relative;
}

.highlight::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 8px;
    bottom: 5px;
    left: 0;
    background-color: var(--accent-color);
    z-index: -1;
    opacity: 0.5;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: var(--text-light);
}

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

.btn {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    border-radius: var(--border-radius);
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

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

.primary-btn:hover {
    background-color: var(--secondary-color);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

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

.secondary-btn:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.hero-image {
    position: relative;
    width: 100%;
    max-width: 500px;
}

.blob {
    position: absolute;
    width: 100%;
    height: 100%;
    background-color: var(--accent-color);
    opacity: 0.1;
    border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
    animation: blob-animation 8s ease-in-out infinite;
    z-index: -1;
}

@keyframes blob-animation {
    0% {
        border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
    }
    50% {
        border-radius: 30% 60% 70% 40% / 50% 60% 30% 60%;
    }
    100% {
        border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
    }
}

/* Section Styles */
section {
    padding: 5rem 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
    color: var(--text-color);
}

.section-title::after {
    content: '';
    position: absolute;
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 2px;
}

/* About Section */
.about {
    background-color: var(--background-alt);
}

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

.about-text {
    flex: 1;
}

.about-text p {
    margin-bottom: 1.5rem;
    color: var(--text-light);
}

.skills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-top: 2rem;
}

.skill {
    background-color: var(--primary-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
}

.skill:hover {
    transform: translateY(-3px);
    background-color: var(--secondary-color);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.about-image {
    flex: 1;
    display: flex;
    justify-content: center;
}

/* Projects Section */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

.project-card {
    background-color: var(--background-color);
    border-radius: var(--border-radius);
    box-shadow: 0 5px 15px var(--shadow-color);
    overflow: hidden;
    transition: var(--transition);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px var(--shadow-color);
}

.project-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

.project-info {
    padding: 1.5rem;
}

.project-info h3 {
    font-size: 1.3rem;
    margin-bottom: 0.8rem;
    color: var(--text-color);
}

.project-info p {
    color: var(--text-light);
    margin-bottom: 1.2rem;
    font-size: 0.95rem;
}

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

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

/* Contact Section */
.contact {
    background-color: var(--background-alt);
}

.contact-content {
    display: flex;
    gap: 3rem;
}

.contact-info, .contact-form {
    flex: 1;
}

.contact-info h3, .contact-form h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-color);
}

.contact-info ul {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.contact-info ul li {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.1rem;
}

.contact-info ul li i {
    color: var(--primary-color);
    font-size: 1.3rem;
}

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

.form-group input, .form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background-color: var(--background-color);
    color: var(--text-color);
    font-family: 'Inter', sans-serif;
}

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

.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Footer */
footer {
    background-color: var(--background-color);
    padding: 2rem 0;
    border-top: 1px solid var(--border-color);
}

footer .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

footer p {
    color: var(--text-light);
}

.social-links {
    display: flex;
    gap: 1.5rem;
}

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

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

/* Responsive Design */
@media (max-width: 992px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero h2 {
        font-size: 2rem;
    }
    
    .about-content {
        flex-direction: column;
    }
    
    .about-image {
        order: -1;
    }
    
    .contact-content {
        flex-direction: column;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: block;
    }
    
    .nav-links {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: var(--background-color);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 3rem;
        transition: var(--transition);
        opacity: 0;
    }
    
    .nav-links.active {
        left: 0;
        opacity: 1;
    }
    
    .hero .container {
        flex-direction: column;
        text-align: center;
    }
    
    .cta-buttons {
        justify-content: center;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    footer .container {
        flex-direction: column;
        gap: 1rem;
    }
}

@media (max-width: 576px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero h2 {
        font-size: 1.5rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        gap: 1rem;
    }
    
    .cta-buttons .btn {
        width: 100%;
    }
}