/* ============================================
   Disability & AI Website
   A modern, accessible design
   ============================================ */

:root {
    /* Colors - Deep, thoughtful palette */
    --color-bg: #0a0a0f;
    --color-bg-elevated: #12121a;
    --color-bg-card: #1a1a24;
    --color-text: #e8e8ed;
    --color-text-muted: #8a8a9a;
    --color-accent: #ff6b4a;
    --color-accent-light: #ff8a70;
    --color-highlight: #ffd93d;
    --color-border: #2a2a3a;
    
    /* Typography */
    --font-serif: 'Instrument Serif', Georgia, serif;
    --font-sans: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 8rem;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* Typography */
h1, h2, h3 {
    font-family: var(--font-serif);
    font-weight: 400;
    line-height: 1.2;
}

h2 {
    font-size: clamp(2rem, 5vw, 3rem);
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
}

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

/* ============================================
   Hero Section
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: var(--space-lg) var(--space-md);
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse at 20% 80%, rgba(255, 107, 74, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(255, 217, 61, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(138, 138, 154, 0.05) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.hero-content {
    text-align: center;
    max-width: 900px;
    position: relative;
    z-index: 1;
}

.hero-label {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-text-muted);
    margin-bottom: var(--space-sm);
}

.hero-title {
    font-size: clamp(2.5rem, 7vw, 4.5rem);
    margin-bottom: var(--space-md);
    font-style: italic;
}

.hero-title .highlight {
    color: var(--color-accent);
    font-style: normal;
}

.hero-subtitle {
    font-family: var(--font-sans);
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--color-text-muted);
    margin-bottom: var(--space-sm);
    letter-spacing: 0.01em;
}

.hero-author {
    font-size: 1rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-lg);
}

.hero-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2.25rem;
    background: var(--color-accent);
    color: var(--color-bg);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9375rem;
    letter-spacing: 0.02em;
    border-radius: 100px;
    transition: var(--transition-normal);
    box-shadow: 0 4px 24px rgba(255, 107, 74, 0.25);
}

.hero-cta:hover {
    background: var(--color-accent-light);
    transform: translateY(-2px);
    box-shadow: 0 6px 32px rgba(255, 107, 74, 0.35);
}

.hero-cta:active {
    transform: translateY(0);
}

.cta-arrow {
    margin-left: 0.5rem;
}

/* ============================================
   Introduction Section
   ============================================ */
.intro {
    padding: var(--space-xl) 0;
    background: var(--color-bg-elevated);
}

.intro-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    align-items: start;
}

@media (max-width: 768px) {
    .intro-grid {
        grid-template-columns: 1fr;
    }
}

.intro-text h2 {
    margin-bottom: var(--space-md);
    color: var(--color-highlight);
}

.intro-tropes h3 {
    margin-bottom: var(--space-sm);
    font-family: var(--font-sans);
    font-weight: 600;
}

.intro-tropes ul {
    list-style: none;
}

.intro-tropes li {
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--color-border);
}

.trope-tag {
    display: inline-block;
    background: var(--color-accent);
    color: var(--color-bg);
    padding: 0.25rem 0.75rem;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-right: 0.5rem;
}

/* ============================================
   Findings Section
   ============================================ */
.findings {
    padding: var(--space-xl) 0;
}

.section-title {
    text-align: center;
    margin-bottom: var(--space-sm);
}

.section-subtitle {
    text-align: center;
    color: var(--color-text-muted);
    font-size: 1.125rem;
    max-width: 700px;
    margin: 0 auto var(--space-lg);
}

.example-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 500px), 1fr));
    gap: var(--space-md);
}

.example-card {
    background: var(--color-bg-card);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--color-border);
}

.example-prompt,
.example-output,
.example-analysis {
    padding: var(--space-md);
}

.example-prompt {
    background: var(--color-bg-elevated);
    border-bottom: 1px solid var(--color-border);
}

.prompt-label,
.output-label,
.analysis-label {
    display: inline-block;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-sm);
    padding: 0.25rem 0.75rem;
    border-radius: 100px;
}

.prompt-label {
    background: var(--color-text-muted);
    color: var(--color-bg);
}

.output-label {
    background: var(--color-border);
    color: var(--color-text);
}

.analysis-label {
    background: var(--color-accent);
    color: var(--color-bg);
}

.example-prompt p {
    font-style: italic;
    color: var(--color-text-muted);
    margin: 0;
}

.example-output h3 {
    font-family: var(--font-sans);
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.example-output p:last-child {
    margin-bottom: 0;
}

.example-analysis {
    background: rgba(255, 107, 74, 0.1);
    border-top: 1px solid var(--color-accent);
}

.highlight-quote {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-style: italic;
    color: var(--color-accent);
    margin-bottom: var(--space-sm);
}

/* ============================================
   Why It Matters Section
   ============================================ */
.why-matters {
    padding: var(--space-xl) 0;
    background: var(--color-bg-elevated);
}

.matters-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
}

@media (max-width: 768px) {
    .matters-grid {
        grid-template-columns: 1fr;
    }
}

.matter-card {
    text-align: center;
    padding: var(--space-lg) var(--space-md);
}

.matter-number {
    font-family: var(--font-serif);
    font-size: 4rem;
    font-style: italic;
    color: var(--color-accent);
    opacity: 0.4;
    margin-bottom: var(--space-sm);
    line-height: 1;
}

.matter-card h3 {
    font-family: var(--font-sans);
    font-weight: 600;
    margin-bottom: var(--space-sm);
    color: var(--color-highlight);
}

.matter-card p {
    color: var(--color-text-muted);
    margin: 0;
}

/* ============================================
   Framework Section
   ============================================ */
.framework {
    padding: var(--space-xl) 0;
}

.framework-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
}

@media (max-width: 768px) {
    .framework-grid {
        grid-template-columns: 1fr;
    }
}

.source-card {
    display: block;
    position: relative;
    background: var(--color-bg-card);
    padding: var(--space-md);
    border-radius: 12px;
    border: 1px solid var(--color-border);
    transition: var(--transition-normal);
    text-decoration: none;
    color: inherit;
}

.source-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-4px);
    cursor: pointer;
}

.external-arrow {
    position: absolute;
    top: var(--space-sm);
    right: var(--space-sm);
    font-size: 1.25rem;
    color: var(--color-text-muted);
    transition: var(--transition-fast);
}

.source-card:hover .external-arrow {
    color: var(--color-accent);
    transform: translate(2px, -2px);
}

.source-card h3 {
    font-family: var(--font-sans);
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: 0.25rem;
}

.source-title {
    font-style: italic;
    color: var(--color-text-muted);
    font-size: 0.875rem;
    margin-bottom: var(--space-sm) !important;
}

.source-card p:last-child {
    margin: 0;
}

/* ============================================
   Footer
   ============================================ */
.footer {
    padding: var(--space-lg) 0;
    text-align: center;
    border-top: 1px solid var(--color-border);
}

.footer p {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
}

/* ============================================
   Mobile Optimization
   ============================================ */
@media (max-width: 768px) {
    /* Reduce spacing on mobile */
    :root {
        --space-md: 1.5rem;
        --space-lg: 2.5rem;
        --space-xl: 4rem;
    }
    
    .container {
        padding: 0 var(--space-sm);
    }
    
    /* Hero adjustments */
    .hero {
        min-height: auto;
        padding: var(--space-lg) var(--space-sm);
        padding-top: 6rem;
        padding-bottom: 4rem;
    }
    
    .hero-label {
        font-size: 0.75rem;
        letter-spacing: 0.1em;
    }
    
    .hero-title {
        font-size: clamp(1.75rem, 8vw, 2.5rem);
        margin-bottom: var(--space-sm);
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-author {
        font-size: 0.875rem;
        margin-bottom: var(--space-md);
    }
    
    .hero-cta {
        padding: 0.875rem 1.75rem;
        font-size: 0.9375rem;
    }
    
    /* Section titles */
    .section-title {
        font-size: 1.75rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
        padding: 0 var(--space-xs);
    }
    
    /* Example cards */
    .example-prompt,
    .example-output,
    .example-analysis {
        padding: var(--space-sm);
    }
    
    .example-output h3 {
        font-size: 1.25rem;
    }
    
    .highlight-quote {
        font-size: 1.25rem;
    }
    
    /* Matter cards */
    .matter-card {
        padding: var(--space-md) var(--space-sm);
    }
    
    .matter-number {
        font-size: 3rem;
    }
    
    /* Source cards */
    .source-card {
        padding: var(--space-sm);
    }
    
    .source-card:hover {
        transform: none; /* Disable hover lift on touch */
    }
    
    /* Footer */
    .footer {
        padding: var(--space-md) 0;
    }
}

@media (max-width: 480px) {
    /* Extra small screens */
    .hero-title {
        font-size: 1.5rem;
    }
    
    .trope-tag {
        display: block;
        margin-bottom: 0.5rem;
        margin-right: 0;
        width: fit-content;
    }
    
    .intro-tropes li {
        font-size: 0.9375rem;
    }
    
    .example-card {
        border-radius: 12px;
    }
    
    .matter-number {
        font-size: 2.5rem;
    }
    
    .matter-card h3 {
        font-size: 1.25rem;
    }
}

/* ============================================
   Accessibility
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles */
:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 4px;
}

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