/* DARK MINIMAL THEME */

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

/* Color Variables - Minimal Dark */
:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #111111;
    --text-primary: #e0e0e0;
    --text-secondary: #999999;
    --text-muted: #666666;
    --accent: #4a9eff;
    --border: rgba(255, 255, 255, 0.1);
    --max-width: 720px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
}

/* Base Styles */
html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-weight: 300;
    font-size: 17px;
    line-height: 1.7;
    color: var(--text-primary);
    background: var(--bg-primary);
    min-height: 100vh;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 500;
    line-height: 1.3;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

h1 {
    font-size: 1.5rem;
}

h2 {
    font-size: 1.75rem;
    margin-top: var(--spacing-lg);
}

h3 {
    font-size: 1.25rem;
    font-weight: 400;
}

p {
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

strong {
    font-weight: 500;
    color: var(--text-primary);
}

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

/* Links */
a {
    color: var(--accent);
    text-decoration: none;
    transition: opacity 0.2s ease;
}

a:hover {
    opacity: 0.8;
}

.link-arrow {
    display: inline-block;
    margin-top: var(--spacing-sm);
    color: var(--accent);
}

/* Header */
.site-header {
    border-bottom: 1px solid var(--border);
    padding: var(--spacing-md) 0;
    margin-bottom: var(--spacing-xl);
}

.site-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.site-logo {
    font-size: 1rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    margin: 0;
    color: var(--text-primary);
}

.header-nav {
    display: flex;
    gap: var(--spacing-md);
}

.header-nav a {
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: color 0.2s ease;
}

.header-nav a:hover {
    color: var(--text-primary);
}

/* Hero Section */
.hero {
    padding: var(--spacing-xl) 0;
    margin-bottom: var(--spacing-xl);
}

.hero-wrapper {
    display: grid;
    grid-template-columns: 1fr 200px;
    gap: var(--spacing-xl);
    align-items: start;
}

.hero-content {
    max-width: 100%;
}

.hero-title {
    font-size: 1.75rem;
    font-weight: 400;
    line-height: 1.4;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.hero-note {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-top: var(--spacing-md);
}

.hero-image {
    position: sticky;
    top: var(--spacing-lg);
}

.profile-pic {
    width: 100%;
    height: auto;
    border-radius: 4px;
    filter: grayscale(100%) contrast(1.1);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 1rem;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.2s ease;
}

.btn:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.btn-primary {
    background: var(--text-primary);
    color: var(--bg-primary);
    border-color: var(--text-primary);
}

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

/* Sections */
section {
    padding: var(--spacing-xl) 0;
}

.section-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

/* Problem → Solution */
.problem-solution {
    border-top: 1px solid var(--border);
    padding-top: var(--spacing-xl);
}

.lead {
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.solution {
    font-size: 1.1rem;
    margin: var(--spacing-md) 0;
}

.comparison {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
}

.before, .after {
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: 4px;
}

.before h3, .after h3 {
    font-size: 1rem;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.before p, .after p {
    margin: 0;
    font-size: 0.95rem;
}

/* Features */
.features {
    border-top: 1px solid var(--border);
}

.features-list {
    margin-bottom: var(--spacing-lg);
}

.features-list .feature {
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-md);
    border-left: 2px solid var(--border);
}

.features-list .feature:hover {
    border-left-color: var(--accent);
}

.features-list .feature h3 {
    font-size: 1.1rem;
    font-weight: 400;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.features-list .feature p {
    margin: 0;
    color: var(--text-secondary);
}

/* Credibility */
.credibility {
    border-top: 1px solid var(--border);
}

.stats-row {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.stats-row .stat p {
    margin: 0;
}

.credibility-links {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

/* Next Section */
.next {
    border-top: 1px solid var(--border);
}

.next-content h3 {
    margin-bottom: var(--spacing-sm);
}

.status {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin: var(--spacing-sm) 0;
}

/* About Section */
.about {
    border-top: 1px solid var(--border);
}

.about-content p {
    margin-bottom: var(--spacing-sm);
}

.note {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-top: var(--spacing-md);
}

/* Archive Section */
.archive-section {
    border-top: 1px solid var(--border);
}

/* Testimonials Section */
.testimonials {
    padding: var(--spacing-xl) 0;
    border-top: 1px solid var(--border);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.testimonial {
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: 4px;
    border: 1px solid var(--border);
}

.testimonial .stars {
    color: #ffc107;
    font-size: 1.1rem;
    margin-bottom: var(--spacing-sm);
    letter-spacing: 2px;
}

.testimonial blockquote {
    margin: 0;
}

.testimonial blockquote p {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.testimonial cite {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-style: normal;
}

/* Footer */
.site-footer {
    border-top: 1px solid var(--border);
    padding: var(--spacing-lg) 0;
    margin-top: var(--spacing-xxl);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-content p {
    margin: 0;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.footer-links {
    display: flex;
    gap: var(--spacing-md);
}

.footer-links a {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

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

/* Responsive Design */
@media (max-width: 768px) {
    body {
        font-size: 16px;
    }
    
    .site-header .container {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }
    
    .header-nav {
        gap: var(--spacing-sm);
    }
    
    .hero-wrapper {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .hero-image {
        order: -1;
        position: static;
        max-width: 150px;
    }
    
    .hero-title {
        font-size: 1.5rem;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .btn {
        width: auto;
        display: inline-block;
    }
    
    .comparison {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .stats-row {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    
    .credibility-links {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }
    
    .footer-links {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    section {
        padding: var(--spacing-lg) 0;
    }
    
    .hero-title {
        font-size: 1.25rem;
    }
    
    .section-title {
        font-size: 1.25rem;
    }
}