:root {
    --primary-color: #2563eb;
    --background-color: #f8fafc;
    --text-color: #1e293b;
    --section-bg: #ffffff;
    --tag-bg: #e2e8f0;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family:
        "Inter",
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        Roboto,
        sans-serif;
}

body {
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    padding: 2rem;
    scroll-behavior: smooth;
}

nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--section-bg);
    padding: 1rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    z-index: 1000;
}

.nav-container {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    gap: 2rem;
}

nav a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
}

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

header {
    text-align: center;
    padding: 6rem 1rem 4rem;
    max-width: 800px;
    margin: 0 auto;
}

header h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    background: linear-gradient(45deg, var(--primary-color), #7c3aed);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: fadeIn 1s ease-in;
}

header p {
    font-size: 1.25rem;
    color: #64748b;
}

section {
    background: var(--section-bg);
    border-radius: 1rem;
    padding: 2rem;
    margin: 2rem auto;
    max-width: 800px;
    box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    transition: transform 0.2s ease;
}

section:hover {
    transform: translateY(-4px);
}

h2 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-size: 1.75rem;
}

ul {
    list-style: none;
}

li {
    margin-bottom: 1.25rem;
    padding-left: 1rem;
    border-left: 3px solid var(--primary-color);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: #1e40af;
    text-decoration: underline;
}

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

.tech-tag {
    background: var(--tag-bg);
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.875rem;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

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

.contact-links li {
    border: none;
    padding: 0;
}

footer {
    text-align: center;
    margin-top: 4rem;
    color: #64748b;
    font-size: 0.875rem;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 640px) {
    body {
        padding: 1rem;
    }

    header {
        padding: 4rem 1rem 2rem;
    }

    header h1 {
        font-size: 2rem;
    }

    section {
        padding: 1.5rem;
        margin: 1rem auto;
    }

    .nav-container {
        gap: 1rem;
        font-size: 0.875rem;
    }
}