/* Variables */
:root {
    --primary-color: #2563eb;
    --secondary-color: #3b82f6;
    --background-light: #ffffff;
    --text-light: #1f2937;
    --card-bg-light: #f3f4f6;
    --transition: all 0.3s ease;
}

/* Dark mode colors */
[class="dark-mode"] {
    --primary-color: #60a5fa;
    --secondary-color: #3b82f6;
    --background-light: #0f172a;
    --text-light: #f3f4f6;
    --card-bg-light: #1e293b;
}

/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--background-light);
    color: var(--text-light);
    line-height: 1.6;
    transition: var(--transition);
}

/* Navigation */
.navbar {
    position: fixed;
    width: 100%;
    top: 0;
    background-color: var(--background-light);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
}

.nav-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

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

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

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

#theme-toggle {
    background: none;
    border: none;
    color: var(--text-light);
    cursor: pointer;
    padding: 0.5rem;
    font-size: 1.2rem;
    transition: var(--transition);
}

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
    background: radial-gradient(circle at center, 
        rgba(37, 99, 235, 0.03) 0%, 
        rgba(59, 130, 246, 0.02) 25%,
        transparent 50%);
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, 
        rgba(37, 99, 235, 0.08) 0%, 
        rgba(59, 130, 246, 0.08) 50%,
        rgba(37, 99, 235, 0.08) 100%);
    clip-path: polygon(0 0, 100% 0, 100% 85%, 0% 100%);
    z-index: -1;
}

.hero::after {
    content: '';
    position: absolute;
    width: 150%;
    height: 150%;
    background: radial-gradient(circle, 
        rgba(37, 99, 235, 0.03) 0%, 
        rgba(59, 130, 246, 0) 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: -1;
    border-radius: 50%;
    opacity: 0.7;
}

.hero-content {
    max-width: 800px;
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.1), 
        rgba(255, 255, 255, 0.05));
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.profile-image {
    position: relative;
    width: 200px;
    height: 200px;
    margin: 0 auto 2rem;
    border-radius: 50%;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(37, 99, 235, 0.2);
    border: 4px solid var(--primary-color);
    animation: glowing 3s infinite;
}

@keyframes glowing {
    0% { box-shadow: 0 0 15px var(--primary-color), 0 0 25px var(--primary-color), 0 0 35px var(--secondary-color); }
    50% { box-shadow: 0 0 25px var(--primary-color), 0 0 35px var(--primary-color), 0 0 45px var(--secondary-color); }
    100% { box-shadow: 0 0 15px var(--primary-color), 0 0 25px var(--primary-color), 0 0 35px var(--secondary-color); }
}

.profile-image::before {
    content: '';
    position: absolute;
    top: -3px;
    left: -3px;
    right: -3px;
    bottom: -3px;
    border-radius: 50%;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    opacity: 0.5;
    z-index: -1;
}

.profile-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
    border-radius: 50%;
}

.profile-image:hover img {
    transform: scale(1.05);
}

.profile-image:hover {
    box-shadow: 0 0 30px var(--primary-color), 0 0 40px var(--primary-color), 0 0 50px var(--secondary-color);
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    background: linear-gradient(45deg, 
        var(--primary-color), 
        var(--secondary-color));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
    letter-spacing: -1px;
}

.tagline {
    font-size: 1.5rem;
    color: var(--text-light);
    margin-bottom: 1.5rem;
    font-weight: 500;
    opacity: 0.9;
}

.description {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    line-height: 1.8;
    color: var(--text-light);
    opacity: 0.8;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* CTA Buttons */
.cta-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    margin-top: 2rem;
}

.cta-primary, .cta-secondary {
    padding: 1rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    letter-spacing: 0.5px;
}

.cta-primary {
    background: linear-gradient(45deg, 
        var(--primary-color), 
        var(--secondary-color));
    color: white;
    border: none;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.2);
}

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

.cta-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.3);
}

.cta-secondary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.15);
    background: linear-gradient(45deg, 
        rgba(37, 99, 235, 0.1), 
        rgba(59, 130, 246, 0.1));
}

.cta-primary:active, .cta-secondary:active {
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.2);
}

/* Projects Section */
.featured-projects {
    padding: 4rem 2rem;
}

.featured-projects h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.project-card {
    background-color: var(--card-bg-light);
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition);
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.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(1.05);
}

.project-info {
    padding: 1.5rem;
}

.project-info h3 {
    margin-bottom: 0.5rem;
    font-size: 1.5rem;
}

.project-info p {
    margin-bottom: 1rem;
    color: var(--text-light);
}

.project-link {
    display: inline-block;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.project-link:hover {
    transform: translateX(5px);
}

/* Contact Section */
.contact {
    padding: 4rem 2rem;
    max-width: 600px;
    margin: 0 auto;
}

.contact h2 {
    text-align: center;
    margin-bottom: 2rem;
    font-size: 2.5rem;
}

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

input, textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--card-bg-light);
    border-radius: 8px;
    background-color: var(--background-light);
    color: var(--text-light);
    transition: var(--transition);
}

input:focus, textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

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

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

.social-links {
    margin-bottom: 1rem;
}

.social-links a {
    color: var(--text-light);
    font-size: 1.5rem;
    margin: 0 1rem;
    transition: var(--transition);
}

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

/* Animations */
.animated {
    opacity: 0;
    transform: translateY(20px);
}

.fade-in {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

/* Profile Section */
.profile-image {
    margin-bottom: 2rem;
}

.profile-pic {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--primary-color);
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.profile-pic:hover {
    transform: scale(1.05);
    box-shadow: 0 0 30px rgba(37, 99, 235, 0.2);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-content {
        flex-direction: column;
        gap: 1rem;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .tagline {
        font-size: 1.2rem;
    }

    .cta-buttons {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .nav-links {
        flex-direction: column;
        gap: 1rem;
    }

    .project-grid {
        grid-template-columns: 1fr;
    }
}