/* Variables for consistent theming */
:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --text-color: #1f2937;
    --light-text: #6b7280;
    --background-light: #f3f4f6;
    --background-white: #ffffff;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --gradient-start: #2563eb;
    --gradient-end: #1e40af;
}

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

html {
    scroll-behavior: smooth;
}

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

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(5px);
    box-shadow: 0 2px 10px var(--shadow-color);
    z-index: 1000;
}

.nav-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem 4rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.nav-image-container {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    overflow: hidden;
}

.nav-logo {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

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

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

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

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -4px;
    left: 0;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

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

/* Hero Section */
#home {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 6rem 2rem;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    color: white;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.highlight {
    color: #60a5fa;
}

.hero-content h2 {
    font-size: 2rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
}

.hero-description {
    font-size: 1.25rem;
    max-width: 600px;
    margin-bottom: 2rem;
}

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

.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
}

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

.btn.secondary {
    background-color: transparent;
    border: 2px solid white;
    color: white;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow-color);
}

/* About Section with Profile Image */
.about-grid {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: 4rem;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.profile-image-container {
    position: relative;
    width: 300px;
    height: 300px;
    margin: 0 auto;
}

.profile-image {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--primary-color);
    box-shadow: 0 0 20px var(--shadow-color);
    transition: transform 0.3s ease;
}

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

/* Skills Section */
#skills {
    padding: 6rem 2rem;
}

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

.skill-category {
    background-color: var(--background-light);
    padding: 2rem;
    border-radius: 1rem;
}

.skill-items {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1rem;
}

.skill-tag {
    background-color: var(--primary-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-size: 0.875rem;
}

/* Projects Section */
#projects {
    padding: 6rem 2rem;
    background-color: var(--background-light);
}

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

.project-card {
    background-color: white;
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 4px 6px var(--shadow-color);
    transition: transform 0.3s ease;
}

.project-card:hover {
    transform: translateY(-5px);
}

.project-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

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

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    padding: 1rem;
}

.tech-stack span {
    background-color: var(--primary-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.875rem;
}

.project-info {
    padding: 1.5rem;
}

.project-info h3 {
    margin-bottom: 1rem;
}

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

/* Contact Section */
#contact {
    padding: 6rem 2rem;
    text-align: center;
}

.contact-intro {
    max-width: 600px;
    margin: 2rem auto;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 2rem;
}

.social-links a {
    color: var(--text-color);
    font-size: 1.5rem;
    transition: color 0.3s ease;
}

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

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

/* Section Headers */
section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--text-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-content {
        padding: 1rem 2rem;
    }

    .nav-left {
        gap: 1rem;
        margin-left: 0;
    }

    .nav-image-container {
        width: 45px;
        height: 45px;
    }

    .nav-links {
        margin-top: 1rem;
        gap: 1rem;
    }

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

    .hero-content h2 {
        font-size: 1.5rem;
    }

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

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

    .btn {
        width: 100%;
        text-align: center;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .profile-image-container {
        width: 250px;
        height: 250px;
        margin-top: 2rem;
    }
}