/**
 * IN-DIGI-NOUS.COM - Minimal Cyberpunk Theme
 * Streamlined CSS for blog, resume, about, micro-SaaS payments
 * ~300 lines total | Mobile-first | No bloat
 */

/* ==========================
   CSS Reset & Base Styles
   ========================== */

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Helvetica Neue', sans-serif;
    background: linear-gradient(135deg, #0a0e27 0%, #1a1a2e 100%);
    color: #e0e6ed;
    line-height: 1.6;
    min-height: 100vh;
}

/* ==========================
   CSS Variables (Cyberpunk Theme)
   ========================== */

:root {
    --primary: #00d9ff; /* cyan accent */
    --secondary: #ff007a; /* magenta accent */
    --bg-dark: #0a0e27;
    --bg-panel: rgba(20, 25, 45, 0.8);
    --text-bright: #ffffff;
    --text-normal: #e0e6ed;
    --text-dim: #9ba3af;
    --border: rgba(0, 217, 255, 0.2);
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    --radius: 8px;
    --spacing: 1rem;
    --max-width: 1200px;
}

/* ==========================
   Typography
   ========================== */

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing);
    color: var(--text-bright);
}

h1 { font-size: 2.5rem; letter-spacing: -0.02em; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }

p {
    margin-bottom: var(--spacing);
    max-width: 65ch;
}

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

a:hover {
    color: var(--secondary);
    text-decoration: underline;
}

/* ==========================
   Layout & Container
   ========================== */

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

header {
    padding: 2rem var(--spacing);
    background: var(--bg-panel);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 100;
}

header h1 {
    font-size: 1.5rem;
    margin: 0;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

nav {
    display: flex;
    gap: 1.5rem;
    margin-top: 1rem;
    flex-wrap: wrap;
}

nav a {
    font-weight: 600;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

main {
    padding: 2rem 0;
}

section {
    padding: 3rem var(--spacing);
    margin-bottom: 2rem;
}

footer {
    padding: 2rem var(--spacing);
    background: var(--bg-panel);
    border-top: 1px solid var(--border);
    text-align: center;
    color: var(--text-dim);
    font-size: 0.9rem;
}

/* ==========================
   Components
   ========================== */

.hero {
    text-align: center;
    padding: 4rem var(--spacing);
    background: linear-gradient(135deg, rgba(0, 217, 255, 0.1) 0%, rgba(255, 0, 122, 0.1) 100%);
    border-radius: var(--radius);
    margin-bottom: 3rem;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-dim);
    max-width: 600px;
    margin: 0 auto;
}

.card {
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow);
    backdrop-filter: blur(10px);
}

.card h3 {
    margin-bottom: 0.5rem;
}

.card p {
    color: var(--text-dim);
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background: var(--primary);
    color: var(--bg-dark);
    font-weight: 600;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 0.9rem;
}

.btn:hover {
    background: var(--secondary);
    color: var(--text-bright);
    text-decoration: none;
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0, 217, 255, 0.4);
}

.btn-secondary {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
}

.btn-secondary:hover {
    background: var(--primary);
    color: var(--bg-dark);
}

/* ==========================
   Blog Section
   ========================== */

.blog-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.blog-post {
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.blog-post:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0, 217, 255, 0.2);
}

.blog-post h3 {
    margin-bottom: 0.5rem;
    font-size: 1.3rem;
}

.category-tag {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    background: rgba(0, 217, 255, 0.1);
    color: var(--primary);
    border: 1px solid var(--border);
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.75rem;
}

.blog-post .date {
    color: var(--text-dim);
    font-size: 0.85rem;
    margin-bottom: 0.75rem;
    display: block;
}

.blog-post p {
    font-size: 0.95rem;
    color: var(--text-dim);
}

/* ==========================
   Payments Section (Stripe)
   ========================== */

.payment-options {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
    margin-top: 2rem;
}

.payment-card {
    background: var(--bg-panel);
    border: 2px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
    text-align: center;
    min-width: 250px;
    transition: border-color 0.2s ease;
}

.payment-card:hover {
    border-color: var(--primary);
}

.payment-card h4 {
    margin-bottom: 0.5rem;
    color: var(--primary);
}

.payment-card .price {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-bright);
    margin: 1rem 0;
}

/* ==========================
   Utility Classes
   ========================== */

.text-center { text-align: center; }
.text-dim { color: var(--text-dim); }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.hidden { display: none; }

/* ==========================
   Responsive Design
   ========================== */

@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.2rem; }
    
    .hero h1 { font-size: 2.2rem; }
    .hero p { font-size: 1rem; }
    
    nav {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .blog-list {
        grid-template-columns: 1fr;
    }
    
    .payment-options {
        flex-direction: column;
        align-items: stretch;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing: 0.75rem;
    }
    
    section {
        padding: 2rem var(--spacing);
    }
    
    .card {
        padding: 1rem;
    }
}