/* ==========================================================================
   DevOps Checklist - Ultra Modern Design (Apple-inspired)
   ========================================================================== */

/* CSS Variables */
:root {
    /* Colors - Dark sophisticated palette */
    --color-bg: #000000;
    --color-bg-elevated: #0a0a0a;
    --color-bg-card: #111111;
    --color-bg-card-hover: #1a1a1a;
    --color-surface: #161616;
    --color-border: rgba(255, 255, 255, 0.08);
    --color-border-hover: rgba(255, 255, 255, 0.15);

    /* Text */
    --color-text: #f5f5f7;
    --color-text-secondary: #86868b;
    --color-text-tertiary: #6e6e73;

    /* Accent */
    --color-accent: #0071e3;
    --color-accent-hover: #0077ed;
    --color-accent-glow: rgba(0, 113, 227, 0.4);
    --color-success: #30d158;
    --color-success-glow: rgba(48, 209, 88, 0.3);

    /* Category colors */
    --color-culture: #bf5af2;
    --color-sharing: #30d158;
    --color-automation: #0a84ff;
    --color-measurement: #ffd60a;
    --color-testing: #ff6961;
    --color-security: #ff9f0a;

    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', 'Helvetica Neue', sans-serif;
    --font-mono: 'SF Mono', 'Fira Code', monospace;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;

    /* Sizing */
    --max-width: 980px;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-full: 9999px;

    /* Effects */
    --blur-sm: 10px;
    --blur-md: 20px;
    --blur-lg: 40px;
    --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Light mode override */
@media (prefers-color-scheme: light) {
    :root {
        --color-bg: #ffffff;
        --color-bg-elevated: #f5f5f7;
        --color-bg-card: #ffffff;
        --color-bg-card-hover: #f5f5f7;
        --color-surface: #f5f5f7;
        --color-border: rgba(0, 0, 0, 0.06);
        --color-border-hover: rgba(0, 0, 0, 0.12);
        --color-text: #1d1d1f;
        --color-text-secondary: #6e6e73;
        --color-text-tertiary: #86868b;
        --shadow-color: rgba(0, 0, 0, 0.08);
    }
}

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

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

body {
    font-family: var(--font-family);
    font-size: 1rem;
    line-height: 1.5;
    color: var(--color-text);
    background: var(--color-bg);
    min-height: 100vh;
    overflow-x: hidden;
    /* Safe area for floating bar and iPhone notch */
    padding-bottom: calc(70px + env(safe-area-inset-bottom, 0px));
}

/* Animated gradient background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 100vh;
    background:
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(0, 113, 227, 0.15), transparent),
        radial-gradient(ellipse 60% 40% at 100% 0%, rgba(191, 90, 242, 0.1), transparent),
        radial-gradient(ellipse 60% 40% at 0% 100%, rgba(48, 209, 88, 0.08), transparent);
    pointer-events: none;
    z-index: -1;
}

::selection {
    background: var(--color-accent);
    color: white;
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

ul {
    list-style: none;
}

/* Layout */
.wrapper {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--spacing-xl);
}

/* ============================================
   HEADER
   ============================================ */
header {
    text-align: center;
    padding: var(--spacing-4xl) 0 var(--spacing-3xl);
    position: relative;
}

header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-border-hover), transparent);
}

header h1 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    background: linear-gradient(135deg, var(--color-text) 0%, var(--color-text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-md);
}

header h1 a {
    background: inherit;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

header .tagline {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    font-weight: 400;
    max-width: 500px;
    margin: 0 auto;
}

/* ============================================
   NAVIGATION / FILTERS
   ============================================ */
nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(0, 0, 0, 0.72);
    backdrop-filter: saturate(180%) blur(var(--blur-md));
    -webkit-backdrop-filter: saturate(180%) blur(var(--blur-md));
    border-bottom: 1px solid var(--color-border);
    margin: 0 calc(-1 * var(--spacing-xl));
    padding: 0 var(--spacing-xl);
    transition: background var(--transition-base);
}

@media (prefers-color-scheme: light) {
    nav {
        background: rgba(255, 255, 255, 0.72);
    }
}

.toc {
    padding: var(--spacing-lg) 0;
}

.toc .summary {
    display: none;
}

.filter-label {
    display: none;
}

.filters {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.filter-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    background: transparent;
    color: var(--color-text-secondary);
    border-radius: var(--radius-full);
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all var(--transition-base);
    position: relative;
}

.filter-btn:hover {
    color: var(--color-text);
    background: var(--color-border);
}

.filter-btn.active {
    color: var(--color-text);
    background: var(--color-bg-card);
}

.filter-btn[data-filter="culture"].active {
    color: var(--color-culture);
    background: rgba(191, 90, 242, 0.15);
}

.filter-btn[data-filter="sharing"].active {
    color: var(--color-sharing);
    background: rgba(48, 209, 88, 0.15);
}

.filter-btn[data-filter="automation"].active {
    color: var(--color-automation);
    background: rgba(10, 132, 255, 0.15);
}

.filter-btn[data-filter="measurement"].active {
    color: var(--color-measurement);
    background: rgba(255, 214, 10, 0.15);
}

.filter-btn[data-filter="testing"].active {
    color: var(--color-testing);
    background: rgba(255, 105, 97, 0.15);
}

.filter-btn[data-filter="security"].active {
    color: var(--color-security, #ff9f0a);
    background: rgba(255, 159, 10, 0.15);
}

/* ============================================
   FLOATING SCORE BAR
   ============================================ */
.floating-score {
    position: fixed;
    bottom: calc(var(--spacing-lg) + env(safe-area-inset-bottom, 0px));
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.floating-score.visible {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
    pointer-events: auto;
}

.floating-score-inner {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: 10px var(--spacing-md) 10px var(--spacing-lg);
    background: rgba(17, 17, 17, 0.85);
    backdrop-filter: saturate(180%) blur(var(--blur-lg));
    -webkit-backdrop-filter: saturate(180%) blur(var(--blur-lg));
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    box-shadow:
        0 8px 32px rgba(0, 0, 0, 0.4),
        0 0 0 1px rgba(255, 255, 255, 0.05) inset,
        0 0 80px -20px var(--color-accent-glow);
}

@media (prefers-color-scheme: light) {
    .floating-score-inner {
        background: rgba(255, 255, 255, 0.85);
        border: 1px solid rgba(0, 0, 0, 0.08);
        box-shadow:
            0 8px 32px rgba(0, 0, 0, 0.12),
            0 0 0 1px rgba(0, 0, 0, 0.05) inset;
    }
}

.floating-score-progress {
    width: 120px;
    height: 6px;
    background: var(--color-surface);
    border-radius: var(--radius-full);
    overflow: hidden;
    position: relative;
}

.floating-score-progress::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.2) 50%, transparent 100%);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.floating-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--color-accent), var(--color-success));
    border-radius: var(--radius-full);
    width: 0%;
    transition: width 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
    position: relative;
}

.floating-score-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    white-space: nowrap;
}

.floating-score-number {
    font-size: 1rem;
    font-weight: 700;
    font-feature-settings: 'tnum';
    color: var(--color-text);
    display: flex;
    align-items: baseline;
    gap: 2px;
}

.floating-score-number span:first-child {
    background: linear-gradient(135deg, var(--color-accent), var(--color-success));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 1.125rem;
}

.floating-score-percent {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-text-tertiary);
    margin-left: var(--spacing-xs);
    padding: 2px 6px;
    background: var(--color-surface);
    border-radius: var(--radius-full);
}

.floating-score-label {
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
}

.floating-reset-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--color-surface);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
}

.floating-reset-btn:hover {
    background: var(--color-border-hover);
    color: var(--color-text);
    transform: rotate(-180deg);
}

.floating-reset-btn:active {
    transform: rotate(-180deg) scale(0.9);
}

.floating-reset-btn svg {
    width: 14px;
    height: 14px;
}

/* Mobile adaptation */
@media (max-width: 640px) {
    .floating-score {
        left: var(--spacing-md);
        right: var(--spacing-md);
        transform: translateX(0) translateY(100px);
        bottom: calc(var(--spacing-md) + env(safe-area-inset-bottom, 0px));
    }

    .floating-score.visible {
        transform: translateX(0) translateY(0);
    }

    .floating-score-inner {
        width: 100%;
        justify-content: space-between;
        padding: 10px 12px 10px 16px;
    }

    .floating-score-progress {
        flex: 1;
        max-width: 100px;
    }

    .floating-score-label {
        display: none;
    }

    .floating-score-number {
        font-size: 0.9375rem;
    }

    .floating-score-number span:first-child {
        font-size: 1rem;
    }
}

/* Extra small screens (iPhone SE, etc.) */
@media (max-width: 375px) {
    .filters {
        gap: 4px;
    }

    .filter-btn {
        padding: 6px 10px;
        font-size: 0.75rem;
    }

    header h1 {
        font-size: 1.75rem;
    }

    header .tagline {
        font-size: 1rem;
    }

    .floating-score-progress {
        max-width: 60px;
    }

    .floating-score-percent {
        display: none;
    }
}

/* ============================================
   MAIN CONTENT
   ============================================ */
main {
    padding: var(--spacing-xl) 0 var(--spacing-3xl);
}

/* Section */
fieldset {
    border: none;
    padding: var(--spacing-2xl) 0;
    margin: 0 0 var(--spacing-xl);
    position: relative;
}

fieldset::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-border-hover), transparent);
}

fieldset:first-of-type::before {
    display: none;
}

fieldset h2 {
    font-size: 1.75rem;
    font-weight: 600;
    letter-spacing: -0.025em;
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

fieldset h2::before {
    content: '';
    width: 4px;
    height: 1.2em;
    background: linear-gradient(180deg, var(--color-accent), var(--color-culture));
    border-radius: 2px;
    flex-shrink: 0;
}

/* Section-specific accent colors */
#culture-section h2::before { background: linear-gradient(180deg, var(--color-culture), var(--color-accent)); }
#sharing-section h2::before { background: linear-gradient(180deg, var(--color-sharing), var(--color-culture)); }
#automation-section h2::before { background: linear-gradient(180deg, var(--color-automation), var(--color-sharing)); }
#testing-section h2::before { background: linear-gradient(180deg, var(--color-testing), var(--color-automation)); }
#measurement-section h2::before { background: linear-gradient(180deg, var(--color-measurement), var(--color-testing)); }
#security-section h2::before { background: linear-gradient(180deg, var(--color-security), var(--color-measurement)); }
#platform-section h2::before { background: linear-gradient(180deg, var(--color-automation), var(--color-security)); }
#learning-section h2::before { background: linear-gradient(180deg, var(--color-culture), var(--color-automation)); }

fieldset .description {
    color: var(--color-text-secondary);
    font-size: 1rem;
    margin-bottom: var(--spacing-xl);
    padding-left: calc(4px + var(--spacing-md));
    max-width: 600px;
}

/* ============================================
   CHECKLIST ITEMS
   ============================================ */
.check-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.check-item {
    position: relative;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    overflow: hidden;
}

.check-item::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-lg);
    padding: 1px;
    background: linear-gradient(135deg, transparent 40%, rgba(255,255,255,0.1));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.check-item:hover {
    border-color: var(--color-border-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--shadow-color, rgba(0, 0, 0, 0.3));
}

.check-item:hover::before {
    opacity: 1;
}

.check-item.hidden {
    display: none;
}

/* Checkbox - visually hidden but accessible */
.check-item .checkbox {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.check-item .label {
    display: block;
    padding: var(--spacing-lg);
    padding-left: 64px;
    position: relative;
    cursor: pointer;
    min-height: 72px;
}

/* Custom checkbox */
.check-item .label::before {
    content: '';
    position: absolute;
    left: var(--spacing-lg);
    top: var(--spacing-lg);
    width: 28px;
    height: 28px;
    border: 2px solid var(--color-border-hover);
    border-radius: var(--radius-sm);
    background: transparent;
    transition: all var(--transition-base);
}

.check-item .label::after {
    content: '';
    position: absolute;
    left: calc(var(--spacing-lg) + 10px);
    top: calc(var(--spacing-lg) + 5px);
    width: 8px;
    height: 14px;
    border: solid transparent;
    border-width: 0 2.5px 2.5px 0;
    transform: rotate(45deg) scale(0);
    transition: all var(--transition-bounce);
}

.check-item .checkbox:checked + .label::before {
    background: var(--color-success);
    border-color: var(--color-success);
    box-shadow: 0 0 20px var(--color-success-glow);
    animation: checkPulse 0.4s ease-out;
}

@keyframes checkPulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.15); }
    100% { transform: scale(1); }
}

.check-item .checkbox:checked + .label::after {
    border-color: white;
    transform: rotate(45deg) scale(1);
}

.check-item .checkbox:checked + .label {
    background: linear-gradient(90deg, rgba(48, 209, 88, 0.08), transparent 50%);
}

/* Focus states for accessibility */
.check-item .checkbox:focus-visible + .label::before {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

.filter-btn:focus-visible,
.floating-reset-btn:focus-visible,
.toggle:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

a:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
    border-radius: 2px;
}

/* Item text */
.check-item .text {
    display: block;
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-text);
    line-height: 1.5;
    margin-bottom: var(--spacing-sm);
}

/* Read more content */
.check-item .more {
    display: none;
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin: var(--spacing-md) 0;
    padding: var(--spacing-md);
    background: var(--color-surface);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--color-accent);
    animation: slideDown var(--transition-base) ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.check-item.expanded .more {
    display: block;
}

/* Toggle button */
.check-item .toggle {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: none;
    border: none;
    color: var(--color-accent);
    cursor: pointer;
    font-size: 0.8125rem;
    font-weight: 500;
    padding: 4px 0;
    transition: all var(--transition-fast);
}

.check-item .toggle::before {
    content: '';
    display: inline-block;
    width: 16px;
    height: 16px;
    background: currentColor;
    mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") center/contain no-repeat;
    -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") center/contain no-repeat;
    transition: transform var(--transition-fast);
}

.check-item .toggle:hover {
    color: var(--color-accent-hover);
}

.check-item.expanded .toggle::before {
    transform: rotate(180deg);
}

.check-item.expanded .toggle span {
    display: none;
}

.check-item.expanded .toggle::after {
    content: 'Show less';
}

/* Tags */
.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: var(--spacing-sm);
}

.tag {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-full);
    color: var(--color-bg);
    transition: all var(--transition-fast);
    cursor: default;
}

.tag:hover {
    transform: scale(1.05);
    box-shadow: 0 2px 8px currentColor;
}

.tag.culture {
    background: var(--color-culture);
    box-shadow: 0 0 0 0 rgba(191, 90, 242, 0);
}

.tag.culture:hover {
    box-shadow: 0 4px 12px rgba(191, 90, 242, 0.4);
}

.tag.sharing {
    background: var(--color-sharing);
}

.tag.sharing:hover {
    box-shadow: 0 4px 12px rgba(48, 209, 88, 0.4);
}

.tag.automation {
    background: var(--color-automation);
}

.tag.automation:hover {
    box-shadow: 0 4px 12px rgba(10, 132, 255, 0.4);
}

.tag.measurement {
    background: var(--color-measurement);
    color: #1d1d1f;
}

.tag.measurement:hover {
    box-shadow: 0 4px 12px rgba(255, 214, 10, 0.4);
}

.tag.testing {
    background: var(--color-testing);
}

.tag.testing:hover {
    box-shadow: 0 4px 12px rgba(255, 105, 97, 0.4);
}

.tag.security {
    background: var(--color-security);
    color: #1d1d1f;
}

.tag.security:hover {
    box-shadow: 0 4px 12px rgba(255, 159, 10, 0.4);
}

/* ============================================
   SCORE SECTION
   ============================================ */
.score-section {
    position: relative;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-3xl);
    margin-bottom: var(--spacing-3xl);
    text-align: center;
    overflow: hidden;
}

.score-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: 50%;
    transform: translateX(-50%);
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--color-accent-glow), transparent 60%);
    pointer-events: none;
    opacity: 0.4;
    transition: opacity var(--transition-slow);
}

.score-section.celebrating::before {
    opacity: 0.8;
    animation: celebratePulse 1s ease-out;
}

@keyframes celebratePulse {
    0% { transform: translateX(-50%) scale(1); opacity: 0.8; }
    50% { transform: translateX(-50%) scale(1.2); opacity: 1; }
    100% { transform: translateX(-50%) scale(1); opacity: 0.8; }
}

.score-section h2 {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-text-tertiary);
    margin-bottom: var(--spacing-xl);
}

.score-display {
    position: relative;
    z-index: 1;
}

.score-number {
    font-size: clamp(3.5rem, 10vw, 6rem);
    font-weight: 700;
    letter-spacing: -0.04em;
    line-height: 1;
    margin-bottom: var(--spacing-lg);
    font-feature-settings: 'tnum';
}

#score-current {
    background: linear-gradient(135deg, var(--color-accent), var(--color-success));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: all var(--transition-base);
}

.score-section.celebrating #score-current {
    animation: scoreGlow 0.5s ease-out;
}

@keyframes scoreGlow {
    0%, 100% { filter: drop-shadow(0 0 0 transparent); }
    50% { filter: drop-shadow(0 0 30px var(--color-success)); }
}

.score-divider {
    color: var(--color-border-hover);
    margin: 0 var(--spacing-xs);
    font-weight: 400;
}

#score-total {
    color: var(--color-text-tertiary);
    font-weight: 500;
}

.score-bar {
    max-width: 400px;
    height: 8px;
    background: var(--color-surface);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin: 0 auto var(--spacing-lg);
    position: relative;
}

.score-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--color-accent), var(--color-culture), var(--color-success));
    background-size: 200% 100%;
    border-radius: var(--radius-full);
    width: 0%;
    transition: width 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
    box-shadow: 0 0 20px var(--color-accent-glow);
    animation: gradientShift 3s ease infinite;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.score-label {
    color: var(--color-text-secondary);
    font-size: 1rem;
    margin: 0;
    transition: all var(--transition-base);
    min-height: 1.5em;
}

/* ============================================
   SHARE SECTION
   ============================================ */
.share-section {
    text-align: center;
    padding: var(--spacing-3xl) var(--spacing-xl);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    margin-bottom: var(--spacing-2xl);
}

.share-section h2 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.share-description {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
}

.share-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-2xl);
}

.share-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    background: var(--color-bg-card);
    color: var(--color-text);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-base);
}

.share-btn:hover {
    border-color: var(--color-border-hover);
    transform: translateY(-2px);
}

.share-twitter:hover {
    background: rgba(29, 161, 242, 0.1);
    border-color: #1da1f2;
    color: #1da1f2;
}

.share-linkedin:hover {
    background: rgba(0, 119, 181, 0.1);
    border-color: #0077b5;
    color: #0077b5;
}

.share-copy:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: white;
}

.share-badge {
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-border);
}

.badge-label {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
}

.badge-preview {
    display: inline-block;
    margin-bottom: var(--spacing-md);
}

.badge-content {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: linear-gradient(135deg, var(--color-accent), var(--color-culture));
    border-radius: var(--radius-full);
    color: white;
    font-weight: 600;
    font-size: 0.875rem;
}

.badge-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    background: white;
    color: var(--color-accent);
    border-radius: 50%;
    font-size: 0.75rem;
}

.share-badge-download {
    background: transparent;
}

/* ============================================
   QUOTES SECTION
   ============================================ */
.quotes-section {
    margin-bottom: var(--spacing-2xl);
}

.quotes-section h2 {
    text-align: center;
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xl);
}

.quotes-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.quote-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin: 0;
    transition: all var(--transition-base);
}

.quote-card:hover {
    border-color: var(--color-border-hover);
    transform: translateY(-2px);
}

.quote-card p {
    font-size: 1rem;
    font-style: italic;
    color: var(--color-text);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.quote-card cite {
    display: block;
    font-style: normal;
}

.quote-card cite strong {
    display: block;
    color: var(--color-text);
    font-weight: 600;
}

.quote-card cite span {
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
}

/* ============================================
   STATS SECTION
   ============================================ */
.stats-section {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.stats-section h2 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.stats-source {
    font-size: 0.875rem;
    color: var(--color-text-tertiary);
    margin-bottom: var(--spacing-xl);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.stat-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    transition: all var(--transition-base);
}

.stat-card:hover {
    border-color: var(--color-border-hover);
    transform: translateY(-2px);
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--color-accent), var(--color-success));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

.stat-label {
    display: block;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.stat-context {
    display: block;
    font-size: 0.75rem;
    color: var(--color-text-tertiary);
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
    background: linear-gradient(135deg, var(--color-accent), #5856d6);
    border-radius: var(--radius-xl);
    padding: var(--spacing-3xl);
    margin-bottom: var(--spacing-2xl);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%' height='100%' filter='url(%23noise)'/%3E%3C/svg%3E");
    opacity: 0.03;
    pointer-events: none;
}

.cta-content {
    position: relative;
    text-align: center;
    color: white;
}

.cta-content h2 {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

.cta-content p {
    font-size: 1.125rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto var(--spacing-xl);
    line-height: 1.6;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.cta-btn {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-full);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-base);
}

.cta-primary {
    background: white;
    color: var(--color-accent);
}

.cta-primary:hover {
    background: #f0f0f0;
    transform: translateY(-2px);
    color: var(--color-accent);
}

.cta-secondary {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.cta-secondary:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-2px);
    color: white;
}

/* ============================================
   EMBED SECTION
   ============================================ */
.embed-section {
    text-align: center;
    padding: var(--spacing-2xl);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    margin-bottom: var(--spacing-2xl);
}

.embed-section h2 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.embed-section > p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
}

.embed-code-wrapper {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--color-surface);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.embed-code {
    flex: 1;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    overflow-x: auto;
    white-space: nowrap;
    padding: var(--spacing-sm);
}

.embed-copy-btn {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-accent);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.8125rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.embed-copy-btn:hover {
    background: var(--color-accent-hover);
}

/* Copied state for buttons */
.share-btn.copied,
.embed-copy-btn.copied {
    background: var(--color-success, #34c759);
    border-color: var(--color-success, #34c759);
    color: #fff;
}

.embed-note {
    font-size: 0.875rem;
    color: var(--color-text-tertiary);
}

/* ============================================
   SUMMARY SECTION
   ============================================ */
.summary-section {
    position: relative;
    text-align: center;
    padding: var(--spacing-3xl);
    background: linear-gradient(135deg, var(--color-accent), #5856d6);
    border-radius: var(--radius-xl);
    color: white;
    margin-bottom: var(--spacing-3xl);
    overflow: hidden;
}

.summary-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%' height='100%' filter='url(%23noise)'/%3E%3C/svg%3E");
    opacity: 0.03;
    pointer-events: none;
}

.summary-section h2 {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.025em;
    margin-bottom: var(--spacing-md);
}

.summary-section p {
    font-size: 1.125rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto var(--spacing-md);
    line-height: 1.6;
}

.summary-section .summary-credit {
    font-size: 0.875rem;
    opacity: 0.7;
    margin-top: var(--spacing-xl);
}

.summary-section .summary-credit a {
    color: white;
    text-decoration: underline;
    text-underline-offset: 2px;
}

/* ============================================
   FOOTER
   ============================================ */
footer {
    border-top: 1px solid var(--color-border);
    padding-top: var(--spacing-3xl);
    margin-top: var(--spacing-3xl);
}

.references {
    margin-bottom: var(--spacing-3xl);
}

.references h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-lg);
}

.references ul {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--spacing-sm);
}

.references li {
    padding: var(--spacing-sm) 0;
}

.references a {
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
    transition: color var(--transition-fast);
}

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

/* About Section */
.about {
    margin-top: var(--spacing-3xl);
    padding-top: var(--spacing-3xl);
    border-top: 1px solid var(--color-border);
}

.about h3 {
    font-size: 1.5rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.about-content {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
}

.about-original,
.about-revival {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.about-original:hover,
.about-revival:hover {
    border-color: var(--color-border-hover);
}

.about-original {
    border-top: 3px solid var(--color-text-tertiary);
}

.about-revival {
    border-top: 3px solid var(--color-accent);
}

.about h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.about p {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
}

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

/* Credits */
.credits {
    text-align: center;
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
    border-top: 1px solid var(--color-border);
    margin-top: var(--spacing-3xl);
}

.credits p {
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    margin: var(--spacing-xs) 0;
}

.credits-original {
    font-size: 0.8125rem !important;
    color: var(--color-text-tertiary) !important;
}

.credits a {
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

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

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
    .wrapper {
        padding: var(--spacing-md);
    }

    header {
        padding: var(--spacing-2xl) 0;
    }

    nav {
        margin: 0 calc(-1 * var(--spacing-md));
        padding: 0 var(--spacing-md);
    }

    .filters {
        gap: var(--spacing-xs);
    }

    .filter-btn {
        padding: var(--spacing-xs) var(--spacing-md);
        font-size: 0.8125rem;
    }

    fieldset h2 {
        font-size: 1.5rem;
    }

    fieldset .description {
        font-size: 1rem;
    }

    .check-item .label {
        padding: var(--spacing-md);
        padding-left: 56px;
    }

    .check-item .label::before {
        left: var(--spacing-md);
        top: var(--spacing-md);
        width: 24px;
        height: 24px;
    }

    .check-item .label::after {
        left: calc(var(--spacing-md) + 7px);
        top: calc(var(--spacing-md) + 5px);
        width: 6px;
        height: 11px;
        border-width: 0 2px 2px 0;
    }

    .score-section {
        padding: var(--spacing-2xl) var(--spacing-lg);
    }

    .summary-section {
        padding: var(--spacing-2xl) var(--spacing-lg);
    }

    .summary-section h2 {
        font-size: 1.75rem;
    }

    .about-content {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
    body {
        background: white;
        color: black;
    }

    body::before {
        display: none;
    }

    nav, .floating-score, .summary-section {
        display: none;
    }

    .wrapper {
        max-width: none;
        padding: 0;
    }

    .check-item {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ccc;
        background: white;
    }

    .check-item .more {
        display: block !important;
    }

    .check-item .toggle {
        display: none;
    }

    .score-section {
        break-inside: avoid;
        background: white;
        border: 2px solid black;
    }

    .score-section::before {
        display: none;
    }

    footer {
        page-break-before: always;
    }
}

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

.check-item {
    animation: fadeInUp 0.4s ease-out backwards;
}

.check-item:nth-child(1) { animation-delay: 0.05s; }
.check-item:nth-child(2) { animation-delay: 0.1s; }
.check-item:nth-child(3) { animation-delay: 0.15s; }
.check-item:nth-child(4) { animation-delay: 0.2s; }
.check-item:nth-child(5) { animation-delay: 0.25s; }
.check-item:nth-child(6) { animation-delay: 0.3s; }
.check-item:nth-child(7) { animation-delay: 0.35s; }
.check-item:nth-child(8) { animation-delay: 0.4s; }
.check-item:nth-child(9) { animation-delay: 0.45s; }

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