/* Modern Dark Minimalist Color Scheme */
:root {
    /* Light mode - Clean and minimal */
    --bg-base: #ffffff;
    --bg-highlights: #f5f5f5;
    --bg-card: #fafafa;
    --fg-primary: #0a0a0a;
    --fg-secondary: #666666;
    --accent-primary: #0070f3;
    --accent-secondary: #7928ca;
    --accent-success: #00c853;
    --border: #e5e5e5;
    --shadow: rgba(0, 0, 0, 0.1);
}

@media (prefers-color-scheme: dark) {
    :root {
        /* Dark mode - Modern tech aesthetic */
        --bg-base: #0a0a0a;
        --bg-highlights: #141414;
        --bg-card: #1a1a1a;
        --fg-primary: #ededed;
        --fg-secondary: #a0a0a0;
        --accent-primary: #00d9ff;
        --accent-secondary: #b37feb;
        --accent-success: #52c41a;
        --border: #2a2a2a;
        --shadow: rgba(0, 0, 0, 0.5);
    }
}

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

/* Base Styles */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-base);
    color: var(--fg-primary);
    line-height: 1.6;
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1rem;
    transition: background-color 0.3s, color 0.3s;
}

/* Typography */
h1 {
    color: var(--fg-primary);
    margin-bottom: 0.5rem;
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

h2 {
    color: var(--fg-primary);
    font-size: 1.8rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-weight: 600;
    letter-spacing: -0.01em;
}

h3 {
    color: var(--accent-primary);
    font-size: 1.3rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

/* Layout */
header {
    text-align: center;
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 2px solid var(--border);
}

.status {
    color: var(--accent-secondary);
    font-weight: 500;
    font-size: 1rem;
}

#job-title {
    color: var(--fg-secondary);
    font-weight: 400;
    margin-top: 0.5rem;
}

section {
    margin-bottom: 3rem;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 1rem;
}

/* Components */
.project-card, .skill-category {
    background: var(--bg-card);
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid var(--border);
    border-left: 3px solid var(--accent-primary);
    transition: all 0.3s ease;
    box-shadow: 0 1px 3px var(--shadow);
}

.project-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 16px var(--shadow);
    border-left-color: var(--accent-secondary);
}

.project-card h3 a {
    color: var(--accent-primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

.project-card h3 a:hover {
    color: var(--accent-secondary);
}

.project-card .stars {
    color: var(--accent-success);
    font-weight: 600;
}

.skill-category ul {
    list-style: none;
    margin-top: 0.5rem;
}

.skill-category li {
    padding: 0.3rem 0;
    padding-left: 1rem;
    position: relative;
}

.skill-category li::before {
    content: "▸";
    position: absolute;
    left: 0;
    color: var(--accent-primary);
}

.skill-category h3 {
    margin-bottom: 0.75rem;
}

/* Contact Links */
.contact-links {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 1rem;
}

.contact-links a {
    background: var(--accent-primary);
    color: #ffffff;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px var(--shadow);
}

.contact-links a:hover {
    background: var(--accent-secondary);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px var(--shadow);
}

/* Certifications */
#certs-list {
    margin-top: 1rem;
}

#certs-list .cert-item {
    background: var(--bg-card);
    padding: 1rem;
    margin-bottom: 0.5rem;
    border-radius: 8px;
    border: 1px solid var(--border);
    border-left: 3px solid var(--accent-success);
    transition: all 0.2s ease;
}

#certs-list .cert-item:hover {
    border-left-width: 4px;
    padding-left: calc(1rem - 1px);
}

/* Footer */
footer {
    text-align: center;
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 2px solid var(--border);
    color: var(--fg-secondary);
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    body { padding: 1rem; }
    h1 { font-size: 2rem; }
    h2 { font-size: 1.5rem; }
    .grid { grid-template-columns: 1fr; }
    .contact-links { flex-direction: column; }
}