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

:root {
    --primary-color: #2563eb;
    --secondary-color: #7c3aed;
    --dark-color: #1e293b;
    --light-color: #f8fafc;
    --gray-color: #64748b;
    --success-color: #10b981;
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

[data-theme="dark"] {
    --primary-color: #60a5fa;
    --secondary-color: #a78bfa;
    --dark-color: #f8fafc;
    --light-color: #0f172a;
    --gray-color: #94a3b8;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.25rem; }

@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.5rem; }
}

p {
    margin-bottom: 1rem;
    color: var(--gray-color);
}

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

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

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

/* Header */
header {
    padding: 2rem 0;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: var(--light-color);
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

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

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

.logo span {
    color: var(--secondary-color);
}

nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
}

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

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

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

nav a:hover::after {
    width: 100%;
}

.theme-toggle {
    background: none;
    border: none;
    color: var(--dark-color);
    cursor: pointer;
    font-size: 1.25rem;
    padding: 0.5rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.theme-toggle:hover {
    background-color: rgba(0,0,0,0.05);
}

/* Hero Section */
.hero {
    padding: 10rem 0 5rem;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

@media (max-width: 992px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

.hero-text h1 {
    margin-bottom: 1.5rem;
}

.subtitle {
    font-size: 1.25rem;
    color: var(--gray-color);
    margin-bottom: 2rem;
}

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

.btn {
    padding: 0.75rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-family: inherit;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

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

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.hero-image {
    text-align: center;
}

.avatar {
    width: 300px;
    height: 300px;
    border-radius: 50%;
    object-fit: cover;
    border: 5px solid var(--primary-color);
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    animation: float 6s ease-in-out infinite;
}

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

/* Sections */
section {
    padding: 5rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background-color: var(--primary-color);
    border-radius: 2px;
}

/* About */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

@media (max-width: 992px) {
    .about-content {
        grid-template-columns: 1fr;
    }
}

.stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

.stat-item {
    text-align: center;
    padding: 1.5rem;
    background: var(--light-color);
    border-radius: var(--border-radius);
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: var(--transition);
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    display: block;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--gray-color);
    font-size: 0.9rem;
}

/* Skills */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.skill-category {
    padding: 2rem;
    background: var(--light-color);
    border-radius: var(--border-radius);
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.skill-category h3 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.skill-list {
    list-style: none;
}

.skill-item {
    margin-bottom: 1rem;
}

.skill-name {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

.skill-bar {
    height: 8px;
    background-color: rgba(0,0,0,0.1);
    border-radius: 4px;
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background-color: var(--primary-color);
    border-radius: 4px;
    transition: width 1s ease;
}

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

.project-card {
    background: var(--light-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: var(--transition);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}

.project-image {
    height: 200px;
    width: 100%;
    background-color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 3rem;
}

.project-content {
    padding: 1.5rem;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 1rem 0;
}

.tag {
    background-color: rgba(37, 99, 235, 0.1);
    color: var(--primary-color);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-family: 'JetBrains Mono', monospace;
}

/* Contact */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

@media (max-width: 992px) {
    .contact-content {
        grid-template-columns: 1fr;
    }
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--light-color);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.contact-item:hover {
    transform: translateX(10px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--light-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--dark-color);
    transition: var(--transition);
}

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

.contact-form {
    background: var(--light-color);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid rgba(0,0,0,0.1);
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
    background-color: var(--light-color);
    color: var(--dark-color);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
}

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

/* Footer */
footer {
    background-color: var(--dark-color);
    color: white;
    padding: 3rem 0;
    text-align: center;
}

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

/* Utilites */
.spinner {
    display: none;
    margin-left: 10px;
}
.spinner img {
    width: 20px;
    height: 20px;
}

.success-message {
    color: #155724;
    background-color: #d4edda;
    border: 1px solid #c3e6cb;
    padding: 12px;
    border-radius: 4px;
    margin: 15px 0;
    display: none;
}
.error-message {
    color: #721c24;
    background-color: #f8d7da;
    border: 1px solid #f5c6cb;
    padding: 12px;
    border-radius: 4px;
    margin: 15px 0;
    display: none;
}

@media (max-width: 768px) {
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
}

.copyright {
    color: rgba(255,255,255,0.7);
}

/* Mobile Menu */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--dark-color);
    cursor: pointer;
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
    }
    
    nav {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background-color: var(--light-color);
        padding: 2rem;
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }
    
    nav.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    nav ul {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .theme-toggle {
        margin-left: auto;
    }
}