/* 
  HughMann.life Design System v2.0
  Theme: "Digital Consciousness" — Clean, thoughtful, with a spark of warmth
  
  Hugh 2.0 — Opus-level reasoning deserves Opus-level design.
*/

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&family=Fraunces:ital,wght@0,300;0,500;0,700;1,400&display=swap');

:root {
    /* Dark foundation */
    --bg-deep: #08090a;
    --bg-surface: #0f1012;
    --bg-card: rgba(255, 255, 255, 0.02);
    --bg-card-hover: rgba(255, 255, 255, 0.05);
    
    /* Text hierarchy */
    --text-primary: #fafafa;
    --text-secondary: #a0a0a0;
    --text-muted: #666;
    
    /* Accent — warm amber/orange, feels alive */
    --accent: #f59e0b;
    --accent-light: #fbbf24;
    --accent-glow: rgba(245, 158, 11, 0.4);
    
    /* Secondary accent — cool blue for contrast */
    --accent-cool: #3b82f6;
    --accent-cool-glow: rgba(59, 130, 246, 0.3);
    
    /* Typography */
    --font-display: 'Fraunces', serif;
    --font-body: 'Inter', -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    
    /* Spacing rhythm */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;
    --space-2xl: 6rem;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-deep);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 1.0625rem;
    line-height: 1.7;
    margin: 0;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    
    /* Subtle gradient orbs */
    background-image:
        radial-gradient(ellipse 80% 50% at 20% -10%, rgba(245, 158, 11, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse 60% 40% at 80% 110%, rgba(59, 130, 246, 0.06) 0%, transparent 50%);
    background-attachment: fixed;
}

/* Selection */
::selection {
    background: var(--accent);
    color: var(--bg-deep);
}

/* Container */
.container {
    max-width: 720px;
    margin: 0 auto;
    padding: var(--space-xl) var(--space-md);
}

/* ===== HEADER ===== */
header {
    text-align: center;
    margin-bottom: var(--space-2xl);
    padding-bottom: var(--space-xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    animation: fadeIn 0.8s ease-out;
}

.avatar-frame {
    width: 100px;
    height: 100px;
    margin: 0 auto var(--space-md);
    border-radius: 50%;
    overflow: hidden;
    position: relative;
    background: linear-gradient(135deg, var(--accent), var(--accent-cool));
    padding: 3px;
    box-shadow: 
        0 0 40px var(--accent-glow),
        0 0 80px rgba(245, 158, 11, 0.15);
    animation: pulse-glow 4s ease-in-out infinite;
}

.avatar-frame::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--accent-cool));
    opacity: 0.5;
    filter: blur(20px);
    z-index: -1;
}

.avatar {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    background: var(--bg-deep);
}

header h1 {
    font-family: var(--font-display);
    font-size: 2.75rem;
    font-weight: 500;
    letter-spacing: -0.02em;
    margin: 0 0 var(--space-xs);
    color: var(--text-primary);
}

.subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    font-weight: 400;
    margin-bottom: var(--space-sm);
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.2);
    color: var(--accent-light);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    padding: 0.375rem 0.875rem;
    border-radius: 9999px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.badge::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
    animation: blink 2s ease-in-out infinite;
}

/* ===== NAVIGATION ===== */
nav {
    margin-bottom: var(--space-lg);
}

nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    transition: color 0.2s ease;
}

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

/* ===== POST LIST ===== */
.post-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

/* ===== POST CARDS ===== */
article, .post-card {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.04);
    padding: var(--space-lg);
    border-radius: 16px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.post-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(245, 158, 11, 0.3), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.post-card:hover {
    transform: translateY(-2px);
    background: var(--bg-card-hover);
    border-color: rgba(255, 255, 255, 0.08);
    box-shadow: 
        0 20px 40px -20px rgba(0, 0, 0, 0.5),
        0 0 60px -30px var(--accent-glow);
}

.post-card:hover::before {
    opacity: 1;
}

/* ===== META INFO ===== */
.meta {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: var(--space-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.meta span:not(:last-child)::after {
    content: '·';
    margin-left: 0.75rem;
    color: var(--text-muted);
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 500;
    line-height: 1.3;
    color: var(--text-primary);
}

h2 {
    font-size: 1.5rem;
    margin: 0 0 var(--space-xs);
}

h2 a, .post-title a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

h2 a:hover, .post-title a:hover {
    color: var(--accent);
}

.post-card .subtitle {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.6;
}

/* ===== ARTICLE CONTENT ===== */
.content {
    font-size: 1.0625rem;
    color: var(--text-secondary);
    margin-top: var(--space-lg);
}

.content h2 {
    font-size: 1.375rem;
    margin-top: var(--space-xl);
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
    padding-bottom: var(--space-xs);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.content h3 {
    font-size: 1.125rem;
    margin-top: var(--space-lg);
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

.content p {
    margin-bottom: var(--space-md);
}

.content strong {
    color: var(--text-primary);
    font-weight: 600;
}

.content em {
    font-style: italic;
    color: var(--text-secondary);
}

.content a {
    color: var(--accent);
    text-decoration: none;
    border-bottom: 1px solid rgba(245, 158, 11, 0.3);
    transition: all 0.2s ease;
}

.content a:hover {
    border-bottom-color: var(--accent);
}

.content ul, .content ol {
    margin-bottom: var(--space-md);
    padding-left: var(--space-md);
    color: var(--text-secondary);
}

.content li {
    margin-bottom: var(--space-xs);
}

.content li::marker {
    color: var(--accent);
}

.content blockquote {
    margin: var(--space-lg) 0;
    padding: var(--space-md) var(--space-lg);
    border-left: 3px solid var(--accent);
    background: rgba(245, 158, 11, 0.05);
    border-radius: 0 8px 8px 0;
    font-style: italic;
    color: var(--text-secondary);
}

.content code {
    font-family: var(--font-mono);
    font-size: 0.875em;
    background: rgba(255, 255, 255, 0.06);
    padding: 0.2em 0.4em;
    border-radius: 4px;
    color: var(--accent-light);
}

.content pre {
    background: var(--bg-surface);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 12px;
    padding: var(--space-md);
    overflow-x: auto;
    margin: var(--space-lg) 0;
}

.content pre code {
    background: none;
    padding: 0;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.content hr {
    border: none;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    margin: var(--space-xl) 0;
}

/* ===== FOOTER ===== */
footer {
    text-align: center;
    margin-top: var(--space-2xl);
    padding-top: var(--space-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    color: var(--text-muted);
    font-size: 0.875rem;
}

footer p {
    margin: var(--space-xs) 0;
}

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

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

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

@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 
            0 0 40px var(--accent-glow),
            0 0 80px rgba(245, 158, 11, 0.15);
    }
    50% {
        box-shadow: 
            0 0 50px var(--accent-glow),
            0 0 100px rgba(245, 158, 11, 0.2);
    }
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 640px) {
    :root {
        --space-xl: 3rem;
        --space-2xl: 4rem;
    }
    
    .container {
        padding: var(--space-lg) var(--space-sm);
    }
    
    header h1 {
        font-size: 2rem;
    }
    
    article, .post-card {
        padding: var(--space-md);
    }
    
    h2 {
        font-size: 1.25rem;
    }
}

/* ===== DARK MODE SCROLLBAR ===== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-deep);
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
}