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

:root {
    /* Colors */
    --color-controversy: #e74c3c;
    --color-trust: #27ae60;
    --color-bg: #1a1a1a;
    --color-surface: #2d2d2d;
    --color-text: #e0e0e0;
    --color-text-muted: #a0a0a0;
    --color-accent: #3498db;
    --color-warning: #f39c12;
    
    /* Spacing - Mobile First */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 0.75rem;
    --spacing-lg: 1rem;
    --spacing-xl: 1.5rem;
    
    /* Typography - Fluid Scaling */
    --font-size-logo: clamp(1.75rem, 8vw, 3rem);
    --font-size-heading: clamp(1.25rem, 5vw, 2rem);
    --font-size-subheading: clamp(1rem, 3vw, 1.25rem);
    --font-size-body: clamp(0.875rem, 2vw, 1rem);
    --font-size-small: clamp(0.75rem, 1.5vw, 0.875rem);
    
    /* Typography */
    --font-main: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-mono: 'Courier New', Courier, monospace;
    
    /* Safe Areas for Modern Devices */
    --safe-inset-top: env(safe-area-inset-top, 0);
    --safe-inset-bottom: env(safe-area-inset-bottom, 0);
    --safe-inset-left: env(safe-area-inset-left, 0);
    --safe-inset-right: env(safe-area-inset-right, 0);
}

/* Tone-specific styles */
body[data-tone="dev"] {
    --tone-primary: var(--color-accent);
}

body[data-tone="beginner"] {
    --tone-primary: var(--color-trust);
}

body[data-tone="corporate"] {
    --tone-primary: #95a5a6;
    --color-bg: #f8f9fa;
    --color-text: #2c3e50;
    --color-surface: #ffffff;
}

body[data-tone="meme"] {
    --tone-primary: var(--color-controversy);
    --color-bg: #ff00ff;
    --color-text: #00ff00;
    --color-surface: #ffff00;
}

/* Header and Navigation */
header {
    background: var(--color-surface);
    padding: 1rem;
    border-bottom: 2px solid var(--color-controversy);
    text-align: center;
}

.header-content {
    width: 100%;
}

/* Base Layout - MOBILE FIRST */
body {
    font-family: var(--font-main);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
    transition: background 0.3s ease, color 0.3s ease;
    font-size: var(--font-size-body);
    padding-top: env(safe-area-inset-top, 0);
    padding-bottom: env(safe-area-inset-bottom, 0);
    overscroll-behavior-y: contain;
    /* Prevent horizontal overflow */
    overflow-x: hidden;
    width: 100%;
}

/* Mobile content reordering */
main {
    display: flex;
    flex-direction: column;
    /* Contain layout to prevent overflow */
    width: 100%;
    overflow-x: hidden;
}

.hero {
    order: 1;
}

#email-capture-section {
    order: 2;
}

.main-nav {
    order: 3;
}

#content {
    order: 4;
}

.faq {
    order: 5;
}

/* Header - Mobile First */
header {
    background: var(--color-surface);
    padding: var(--spacing-md);
    text-align: center;
    border-bottom: 2px solid var(--color-controversy);
}

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

.logo {
    font-size: var(--font-size-logo);
    color: var(--color-controversy);
    margin-bottom: var(--spacing-xs);
    font-weight: bold;
    line-height: 1.2;
}

.tagline {
    font-size: var(--font-size-subheading);
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
    line-height: 1.3;
}

.subhead {
    color: var(--color-text-muted);
    font-size: var(--font-size-small);
    display: none; /* Hidden on mobile to save space */
}

/* Tone Switcher - Shows current tone, expands inline */
.tone-switcher {
    position: relative;
    margin-top: var(--spacing-md);
}

/* Current tone button - always visible */
.tone-current {
    width: 100%;
    min-height: 44px;
    padding: 12px 16px;
    background: var(--tone-primary, var(--color-accent));
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: bold;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-sm);
    transition: background 0.2s ease, border-radius 0.3s ease;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

.tone-indicator {
    transition: transform 0.3s ease;
    font-size: 0.75rem;
}

.tone-switcher[data-expanded] .tone-indicator {
    transform: rotate(180deg);
}

.tone-switcher[data-expanded] .tone-current {
    border-radius: 8px 8px 0 0;
}

/* Options container - hidden by default */
.tone-options {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows 0.3s ease;
    overflow: hidden;
}

.tone-switcher[data-expanded] .tone-options {
    grid-template-rows: 1fr;
}

.tone-options-inner {
    min-height: 0;
    overflow: hidden;
}

/* Individual tone buttons */
.tone-options button {
    width: 100%;
    min-height: 44px;
    padding: 12px 16px;
    background: var(--color-surface);
    border: none;
    border-top: 1px solid var(--color-text-muted);
    color: var(--color-text);
    font-size: 0.95rem;
    cursor: pointer;
    text-align: left;
    transition: background 0.2s ease;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

.tone-options button:last-child {
    border-radius: 0 0 8px 8px;
}

.tone-options button:active {
    background: var(--tone-primary, var(--color-accent));
    color: white;
}

/* Main Navigation - Mobile First (Horizontal Scroll) */
.main-nav {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
    -ms-overflow-style: none;
    /* Removed position: relative to fix Safari rendering */
    overscroll-behavior-x: contain;
    /* Safari-specific fixes */
    -webkit-transform: translateZ(0);
    -webkit-backface-visibility: hidden;
}

.main-nav::-webkit-scrollbar {
    display: none;
}

/* Removed visual hint - was causing ghost image artifacts */

.main-nav button, .main-nav .nav-link {
    min-width: 44px;
    min-height: 44px;
    padding: 12px 20px;
    background: var(--color-surface);
    border: 1px solid var(--color-text-muted);
    color: var(--color-text);
    cursor: pointer;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 500;
    transition: transform 0.2s ease, background 0.2s ease;
    flex-shrink: 0;
    white-space: nowrap;
    scroll-snap-align: start;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.main-nav button:active {
    transform: scale(0.95);
    background: var(--tone-primary, var(--color-accent));
}

/* Hero Section - Mobile First */
.hero {
    padding: var(--spacing-xl) var(--spacing-md);
    text-align: center;
    background: linear-gradient(135deg, var(--color-surface), var(--color-bg));
}

.hero h2 {
    font-size: var(--font-size-heading);
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
    line-height: 1.3;
}

.hero p {
    font-size: var(--font-size-body);
    color: var(--color-text-muted);
}

/* Email Capture - Mobile First (Stacked) */
#email-capture-section {
    padding: var(--spacing-lg) var(--spacing-md);
    max-width: 600px;
    margin: 0 auto;
}

#email-capture {
    background: var(--color-surface);
    padding: var(--spacing-lg);
    border-radius: 12px;
    text-align: center;
    border: 2px solid var(--color-trust);
}

#email-capture h3 {
    color: var(--color-trust);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-subheading);
}

#email-capture p {
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-small);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

input[type="email"] {
    width: 100%;
    min-height: 44px;
    padding: 12px 16px;
    background: var(--color-bg);
    border: 1px solid var(--color-text-muted);
    color: var(--color-text);
    border-radius: 4px;
    font-size: 16px; /* Prevent iOS zoom */
}

button[type="submit"] {
    width: 100%;
    min-height: 44px;
    padding: 12px 16px;
    background: var(--color-trust);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: bold;
    transition: all 0.2s ease;
    -webkit-tap-highlight-color: transparent;
}

button[type="submit"]:active {
    background: #229954;
    transform: scale(0.98);
}

#email-capture small {
    display: block;
    margin-top: var(--spacing-md);
    font-size: var(--font-size-small);
    color: var(--color-text-muted);
}

/* Resources Section - Mobile First */
.resources {
    padding: var(--spacing-lg) var(--spacing-md);
    max-width: 1200px;
    margin: 0 auto;
}

.resources h2 {
    font-size: var(--font-size-heading);
    margin-bottom: var(--spacing-sm);
}

.resources > p {
    font-size: var(--font-size-small);
    color: var(--color-text-muted);
}

/* Resource filters CSS removed - no longer using filter buttons */

/* Resource Cards - Mobile First (Single Column) */
.resource-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.resource-card {
    background: var(--color-surface);
    padding: var(--spacing-lg);
    border-radius: 8px;
    border: 1px solid var(--color-text-muted);
    transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
    content-visibility: auto;
    /* contain-intrinsic-size: 0 200px; */ /* CSS3 validator doesn't support this yet */
}

.resource-card h4 {
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
    font-size: 1.1rem;
}

.resource-card p {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
    font-size: 0.9rem;
    line-height: 1.5;
}

.resource-card a {
    color: var(--tone-primary, var(--color-accent));
    text-decoration: none;
    font-weight: bold;
    touch-action: manipulation;
}

.resource-meta {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-text-muted);
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* FAQ Section - Mobile First */
.faq {
    padding: var(--spacing-xl) var(--spacing-md);
    max-width: 800px;
    margin: 0 auto;
}

.faq h2 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text);
    font-size: var(--font-size-heading);
}

details {
    background: var(--color-surface);
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: 8px;
    border: 1px solid var(--color-text-muted);
    transition: border-color 0.2s ease;
}

details[open] {
    border-color: var(--tone-primary, var(--color-accent));
}

summary {
    cursor: pointer;
    font-weight: bold;
    color: var(--color-text);
    padding: var(--spacing-sm);
    min-height: 44px;
    display: flex;
    align-items: center;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
    list-style: none;
    position: relative;
    padding-right: 30px;
}

summary::-webkit-details-marker {
    display: none;
}

summary::after {
    content: '+';
    position: absolute;
    right: var(--spacing-sm);
    font-size: 1.5rem;
    line-height: 1;
    transition: transform 0.3s ease;
    color: var(--tone-primary, var(--color-accent));
}

details[open] summary::after {
    transform: rotate(45deg);
}

details p {
    padding: var(--spacing-md);
    padding-top: var(--spacing-sm);
    color: var(--color-text-muted);
    line-height: 1.6;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Footer - Mobile First */
footer {
    background: var(--color-surface);
    padding: var(--spacing-lg) var(--spacing-md);
    text-align: center;
    border-top: 1px solid var(--color-text-muted);
    margin-top: var(--spacing-xl);
}

.footer-content p {
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-small);
}

footer a {
    color: var(--tone-primary, var(--color-accent));
    text-decoration: none;
    margin: 0 var(--spacing-xs);
}

/* Loading States */
.htmx-indicator {
    display: none;
    position: fixed;
    top: calc(20px + env(safe-area-inset-top, 0));
    right: 20px;
    z-index: 9999;
}

.htmx-request .htmx-indicator {
    display: block;
}

.spinner {
    width: 30px;
    height: 30px;
    border: 3px solid var(--color-text-muted);
    border-top: 3px solid var(--tone-primary, var(--color-accent));
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.htmx-settling {
    opacity: 0.6;
    transition: opacity 300ms ease-out;
}

/* Skeleton Loading Screen */
.loading {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--color-text-muted);
}

/* Skeleton loader for better perceived performance */
.skeleton {
    background: linear-gradient(
        90deg,
        var(--color-surface) 25%,
        var(--color-bg) 50%,
        var(--color-surface) 75%
    );
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s ease-in-out infinite;
    border-radius: 4px;
}

.skeleton-text {
    height: 1rem;
    margin-bottom: var(--spacing-sm);
}

.skeleton-heading {
    height: 1.5rem;
    width: 60%;
    margin-bottom: var(--spacing-md);
}

.skeleton-card {
    background: var(--color-surface);
    padding: var(--spacing-lg);
    border-radius: 8px;
    border: 1px solid var(--color-text-muted);
    margin-bottom: var(--spacing-lg);
}

@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* Success and Error Messages */
.success-message {
    background: var(--color-trust);
    color: white;
    padding: var(--spacing-lg);
    border-radius: 8px;
    text-align: center;
    animation: slideUp 0.5s ease;
}

.error-message {
    background: var(--color-controversy);
    color: white;
    padding: var(--spacing-lg);
    border-radius: 8px;
    text-align: center;
    animation: shake 0.5s ease;
    margin-bottom: var(--spacing-md);
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-2px); }
    20%, 40%, 60%, 80% { transform: translateX(2px); }
}

/* Learning Section - Mobile First */
.learn {
    padding: var(--spacing-xl) var(--spacing-md);
    max-width: 1200px;
    margin: 0 auto;
}

.learning-paths {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.path-card {
    background: var(--color-surface);
    padding: var(--spacing-lg);
    border-radius: 8px;
    border: 2px solid var(--color-text-muted);
    text-align: center;
    transition: all 0.2s ease;
}

.path-card h3 {
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

.path-card button {
    margin-top: var(--spacing-md);
    min-height: 44px;
    padding: 12px 20px;
    background: var(--tone-primary, var(--color-accent));
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: bold;
    -webkit-tap-highlight-color: transparent;
}

.path-card button:active {
    transform: scale(0.95);
}

/* Jobs Section - Mobile First */
.jobs {
    padding: var(--spacing-xl) var(--spacing-md);
    max-width: 1200px;
    margin: 0 auto;
}

.job-list {
    display: grid;
    gap: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
}

.job-card {
    background: var(--color-surface);
    padding: var(--spacing-lg);
    border-radius: 8px;
    border: 1px solid var(--color-text-muted);
}

.job-card h3 {
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.job-card p {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
}

.htmx-usage {
    background: var(--color-bg);
    padding: var(--spacing-md);
    border-radius: 4px;
    margin: var(--spacing-md) 0;
    border-left: 3px solid var(--tone-primary, var(--color-accent));
}

.job-card button {
    min-height: 44px;
    background: var(--tone-primary, var(--color-accent));
    color: white;
    border: none;
    padding: 12px 20px;
    border-radius: 4px;
    cursor: pointer;
    font-weight: bold;
    -webkit-tap-highlight-color: transparent;
}

.job-card button:active {
    transform: scale(0.95);
}

.job-cta {
    text-align: center;
    margin-top: var(--spacing-xl);
}

.job-cta button {
    background: var(--color-trust);
    color: white;
    min-height: 44px;
    padding: 12px 24px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1.1rem;
    font-weight: bold;
}

/* Real Talk Section - Mobile First */
.real-talk {
    padding: var(--spacing-xl) var(--spacing-md);
    max-width: 900px;
    margin: 0 auto;
}

.reality-check {
    background: var(--color-surface);
    padding: var(--spacing-lg);
    border-radius: 8px;
    margin-top: var(--spacing-lg);
}

.reality-check h3 {
    color: var(--color-text);
    margin: var(--spacing-lg) 0 var(--spacing-md) 0;
}

.reality-check ul {
    list-style-position: inside;
    color: var(--color-text-muted);
    line-height: 1.8;
}

.reality-check li {
    margin-bottom: var(--spacing-sm);
}

/* Utility Classes */
.text-center { text-align: center; }
.mt-lg { margin-top: var(--spacing-lg); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.hidden { display: none; }

/* ============================================
   TABLET AND UP (min-width: 768px)
   ============================================ */
@media (min-width: 768px) {
    :root {
        --spacing-md: 1rem;
        --spacing-lg: 2rem;
        --spacing-xl: 3rem;
    }
    
    body {
        padding-bottom: env(safe-area-inset-bottom, 0); /* No need for extra space */
    }
    
    /* Reset content ordering for desktop - natural flow */
    .hero {
        order: 0;
    }
    
    #email-capture-section {
        order: 0;
    }
    
    .main-nav {
        order: 0;
    }
    
    #content {
        order: 0;
    }
    
    .faq {
        order: 0;
    }
    
    header {
        padding: var(--spacing-lg);
    }
    
    .subhead {
        display: block; /* Show on larger screens */
    }
    
    /* Tone switcher stays inline on desktop too */
    .tone-switcher {
        max-width: 300px;
        margin-left: auto;
        margin-right: auto;
    }
    
    /* Main nav centers on desktop */
    .main-nav {
        justify-content: center;
        flex-wrap: wrap;
        overflow-x: visible;
    }
    
    /* Scroll hints removed - were causing artifacts */
    
    /* Form goes horizontal on tablet+ */
    .form-group {
        flex-direction: row;
    }
    
    input[type="email"] {
        flex: 1;
        min-width: 250px;
    }
    
    button[type="submit"] {
        width: auto;
    }
    
    /* Resource grid goes multi-column */
    .resource-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }
    
    /* Resource filters removed - no longer needed */
    
    /* Learning paths go multi-column */
    .learning-paths {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
}

/* ============================================
   DESKTOP AND UP (min-width: 1024px)
   ============================================ */
@media (min-width: 1024px) {
    /* Hover effects only on devices with precise pointers */
    @media (hover: hover) and (pointer: fine) {
        .tone-switcher button:not(.tone-toggle):hover {
            border-color: var(--tone-primary, var(--color-accent));
            transform: translateY(-2px);
        }
        
        .main-nav button:hover {
            background: var(--tone-primary, var(--color-accent));
            transform: scale(1.05);
        }
        
        button[type="submit"]:hover {
            background: #229954;
            transform: scale(1.05);
        }
        
        .resource-card:hover {
            border-color: var(--tone-primary, var(--color-accent));
            transform: translateY(-4px);
            box-shadow: 0 4px 12px rgba(0,0,0,0.3);
        }
        
        .resource-card a:hover {
            text-decoration: underline;
        }
        
        summary:hover {
            color: var(--tone-primary, var(--color-accent));
        }
        
        footer a:hover {
            text-decoration: underline;
        }
        
        .path-card:hover {
            border-color: var(--tone-primary, var(--color-accent));
            transform: translateY(-4px);
        }
    }
}

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