/* Nick Morozov — Personal Site */

:root {
    --bg: #0d0d0d;
    --surface: #1a1a1a;
    --surface-hover: #222;
    --border: #2a2a2a;
    --text: #e5e5e5;
    --text-secondary: #999;
    --accent: #10b981;
    --accent-hover: #059669;
    --radius: 12px;
    --max-width: 720px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

a:hover {
    text-decoration: underline;
}

/* Layout */

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

section {
    padding: 80px 0;
}

/* Hero */

.hero {
    text-align: center;
    padding: 120px 0 80px;
}

.avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--accent);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    margin-bottom: 24px;
}

.hero h1 {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 12px;
}

.hero .tagline {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
}

.hero-links {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    border: none;
    transition: background 0.2s, transform 0.1s;
}

.btn:hover {
    text-decoration: none;
    transform: translateY(-1px);
}

.btn:active {
    transform: translateY(0);
}

.btn-primary {
    background: var(--accent);
    color: #fff;
}

.btn-primary:hover {
    background: var(--accent-hover);
}

.btn-secondary {
    background: var(--surface);
    color: var(--text);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--surface-hover);
}

/* Projects */

.projects {
    border-top: 1px solid var(--border);
}

.projects h2 {
    text-align: center;
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 48px;
}

.projects-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.project-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 24px;
    display: flex;
    flex-direction: column;
    color: var(--text);
    transition: border-color 0.2s, transform 0.1s;
}

.project-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
    text-decoration: none;
}

.project-icon {
    margin-bottom: 16px;
    line-height: 1;
}

.project-card h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.project-card p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.5;
    flex: 1;
}

.project-link {
    display: inline-block;
    margin-top: 16px;
    font-size: 0.875rem;
    color: var(--accent);
    font-weight: 500;
}

.project-card:hover .project-link {
    text-decoration: underline;
}

/* Footer */

.footer {
    border-top: 1px solid var(--border);
    padding: 40px 0;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.8rem;
}

.footer-links {
    display: flex;
    gap: 24px;
    justify-content: center;
    margin-bottom: 12px;
}

/* Responsive */

@media (max-width: 600px) {
    .hero h1 {
        font-size: 1.75rem;
    }

    .hero .tagline {
        font-size: 1rem;
    }

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

    section {
        padding: 48px 0;
    }

    .hero {
        padding: 64px 0 48px;
    }
}