/* Modern High-End Developer/Tech Architecture Design System */
:root {
    --hue: 35;
    --primary: hsl(var(--hue), 85%, 60%);
    --primary-hover: hsl(var(--hue), 90%, 68%);
    --accent: hsl(calc(var(--hue) + 40), 90%, 62%);
    --bg-base: hsl(var(--hue), 25%, 7%);
    --bg-surface: hsl(var(--hue), 22%, 11%);
    --bg-surface-hover: hsl(var(--hue), 22%, 15%);
    --border-color: hsl(var(--hue), 20%, 18%);
    --text-main: hsl(var(--hue), 15%, 96%);
    --text-muted: hsl(var(--hue), 12%, 68%);
    --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-code: 'JetBrains Mono', 'Fira Code', monospace;
    --gradient: linear-gradient(135deg, hsl(var(--hue), 85%, 60%), hsl(calc(var(--hue) + 45), 90%, 60%));
}

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

body {
    background-color: var(--bg-base);
    color: var(--text-main);
    font-family: var(--font-body);
    line-height: 1.7;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

/* Header Navigation */
nav {
    background: rgba(14, 18, 26, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-brand {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 800;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-links {
    display: flex;
    gap: 20px;
    list-style: none;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.2s ease;
}

.nav-links a:hover {
    color: var(--text-main);
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 70px 24px 40px;
    max-width: 900px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 20px;
    letter-spacing: 0.5px;
}

.hero h1 {
    font-family: var(--font-heading);
    font-size: clamp(2.2rem, 5vw, 3.6rem);
    font-weight: 800;
    line-height: 1.18;
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.15rem;
    color: var(--text-muted);
    max-width: 720px;
    margin: 0 auto 30px;
}

/* Main Content Area */
main {
    max-width: 880px;
    margin: 40px auto 80px;
    padding: 0 24px;
}

article {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 48px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

article h1 {
    font-family: var(--font-heading);
    font-size: clamp(1.9rem, 4vw, 2.7rem);
    line-height: 1.25;
    margin-bottom: 18px;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    padding-bottom: 24px;
    margin-bottom: 32px;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
    color: var(--text-muted);
}

.author-badge {
    font-weight: 600;
    color: var(--text-main);
}

article h2 {
    font-family: var(--font-heading);
    font-size: 1.7rem;
    margin: 38px 0 16px;
    color: var(--text-main);
}

article h3 {
    font-family: var(--font-body);
    font-size: 1.25rem;
    font-weight: 700;
    margin: 28px 0 12px;
    color: var(--text-main);
}

article p {
    margin-bottom: 22px;
    font-size: 1.06rem;
    color: rgba(240, 244, 252, 0.92);
}

article ul, article ol {
    margin: 18px 0 24px 24px;
    color: rgba(240, 244, 252, 0.92);
}

article li {
    margin-bottom: 10px;
    font-size: 1.02rem;
}

article a {
    color: var(--primary);
    text-decoration: underline;
    font-weight: 600;
    transition: color 0.2s ease;
}

article a:hover {
    color: var(--accent);
}

/* Author Card */
.author-card {
    margin-top: 50px;
    padding: 30px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    display: flex;
    gap: 22px;
    align-items: center;
}

.author-avatar {
    width: 68px;
    height: 68px;
    border-radius: 50%;
    background: var(--gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.7rem;
    font-weight: 800;
    color: #fff;
    flex-shrink: 0;
}

.author-details h4 {
    font-size: 1.15rem;
    margin-bottom: 4px;
}

.author-details p {
    font-size: 0.92rem;
    color: var(--text-muted);
    margin-bottom: 0;
}

/* Grid & Cards */
.article-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-top: 30px;
}

.card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 28px;
    transition: transform 0.2s ease, border-color 0.2s ease;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.card:hover {
    transform: translateY(-4px);
    border-color: var(--primary);
}

.card h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    margin-bottom: 12px;
    line-height: 1.35;
}

.card p {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 20px;
    line-height: 1.6;
}

.card a.read-more {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.92rem;
    align-self: flex-start;
}

.card a.read-more:hover {
    text-decoration: underline;
}

/* Footer */
footer {
    background: var(--bg-surface);
    border-top: 1px solid var(--border-color);
    padding: 40px 24px;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-bottom: 16px;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.2s;
}

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

@media (max-width: 768px) {
    article {
        padding: 28px 20px;
    }
    .hero {
        padding: 50px 16px 30px;
    }
    .author-card {
        flex-direction: column;
        text-align: center;
    }
}