:root {
    --bg-color: #0d1117;
    --text-primary: #c9d1d9;
    --text-secondary: #8b949e;
    --accent-color: #238636;
    --link-color: #58a6ff;
    --card-bg: #161b22;
    --font-main: 'Inter', sans-serif;
    --font-mono: 'Fira Code', monospace;
    --spacing-md: 1.5rem;
    --spacing-lg: 3rem;
}

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

body {
    font-family: var(--font-main);
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
}

img {
    max-width: 100%;
    display: block;
}

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

a:hover {
    text-decoration: underline;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.divider {
    border: 0;
    height: 1px;
    background: #30363d;
    margin: var(--spacing-lg) 0;
}

.hero {
    background: linear-gradient(180deg, #00021e 0%, var(--bg-color) 100%);
    text-align: center;
    padding: 3rem 1rem;
}

.hero__title {
    font-size: 2rem;
    font-weight: 700;
    color: #ffffff;
}

.hero__subtitle {
    font-family: var(--font-mono);
    color: var(--text-secondary);
    margin-top: 0.5rem;
    font-size: 1.2rem;
}

.hero__typing {
    display: flex;
    justify-content: center;
    margin-top: 1.5rem;
}

.section__title {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--accent-color);
    display: inline-block;
    padding-bottom: 0.2rem;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

@media (min-width: 768px) {
    .about-grid {
        grid-template-columns: 3fr 2fr;
    }
}

.about__text p {
    margin-bottom: 1rem;
}

.about__visual {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.coding-gif {
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.5);
}

.social-links {
    display: flex;
    gap: 10px;
    margin-top: 1.5rem;
    flex-wrap: wrap;
}

.tech-grid {
    display: grid;
    gap: var(--spacing-md);
}

.tech-category h3 {
    font-size: 1.2rem;
    margin-bottom: 0.8rem;
}

.tech-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.footer {
    text-align: center;
    padding: var(--spacing-lg) 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
    border-top: 1px solid #30363d;
    margin-top: var(--spacing-lg);
}

.footer-links {
    margin-top: 0.5rem;
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.footer-links a:hover {
    color: var(--link-color);
}

.separator {
    margin: 0 0.5rem;
    opacity: 0.5;
}