/* ============================================
   8values Design System
   ============================================ */

:root {
    /* Primary palette */
    --color-primary: #6366f1;
    --color-primary-hover: #4f46e5;
    --color-primary-light: #e0e7ff;

    /* Neutral palette */
    --color-bg: #f1f5f9;
    --color-surface: #f8fafc;
    --color-card: #ffffff;
    --color-text: #1e293b;
    --color-text-secondary: #334155;
    --color-text-muted: #475569;
    --color-text-faint: #64748b;
    --color-border: #e2e8f0;
    --color-border-light: #f1f5f9;

    /* Axis colors — brand identity */
    --color-equality: #f44336;
    --color-wealth: #00897b;
    --color-might: #ff9800;
    --color-peace: #03a9f4;
    --color-liberty: #ffeb3b;
    --color-authority: #3f51b5;
    --color-tradition: #8bc34a;
    --color-progress: #9c27b0;

    /* Quiz answer button colors */
    --color-strongly-agree: #16a34a;
    --color-strongly-agree-hover: #15803d;
    --color-agree: #22c55e;
    --color-agree-hover: #16a34a;
    --color-neutral: #94a3b8;
    --color-neutral-hover: #64748b;
    --color-disagree: #ef4444;
    --color-disagree-hover: #dc2626;
    --color-strongly-disagree: #dc2626;
    --color-strongly-disagree-hover: #b91c1c;

    /* Spacing scale (8px base) */
    --space-1: 0.5rem;   /* 8px */
    --space-2: 1rem;     /* 16px */
    --space-3: 1.5rem;   /* 24px */
    --space-4: 2rem;     /* 32px */
    --space-6: 3rem;     /* 48px */
    --space-8: 4rem;     /* 64px */

    /* Typography */
    --font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Border radii */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 4px 6px rgba(0, 0, 0, 0.07), 0 2px 4px rgba(0, 0, 0, 0.06);

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.2s ease;

    /* Layout */
    --container-max: 800px;
}

/* ============================================
   Base / Reset
   ============================================ */

html {
    background-color: var(--color-bg);
    scroll-behavior: smooth;
}

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

body {
    font-family: var(--font-family);
    background-color: var(--color-surface);
    color: var(--color-text);
    min-height: 100vh;
    margin: 0 auto;
    padding: var(--space-4) var(--space-2);
    max-width: var(--container-max);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    animation: fadeIn 0.4s ease-out;
}

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

h1 {
    font-family: var(--font-family);
    font-size: 3rem;
    font-weight: 800;
    color: var(--color-text);
    text-align: center;
    line-height: 1.1;
    margin: 0 0 var(--space-2) 0;
}

h2 {
    font-family: var(--font-family);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    line-height: 1.4;
    margin: var(--space-3) 0 var(--space-2) 0;
}

h3 {
    color: var(--color-text);
    font-family: var(--font-family);
    font-size: 1.25rem;
    font-weight: 600;
    line-height: 1.5;
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
}

p {
    font-family: var(--font-family);
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--color-text-muted);
    margin: var(--space-1) 0;
}

a {
    font-family: inherit;
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

li {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--color-text-muted);
    text-indent: 1rem;
}

hr {
    border: none;
    border-top: 2px solid var(--color-border);
    margin: var(--space-6) 0;
    opacity: 0.6;
}

/* ============================================
   Page layout
   ============================================ */

.site-header {
    text-align: center;
    padding: var(--space-3) var(--space-2) var(--space-4);
    margin: calc(-1 * var(--space-2)) calc(-1 * var(--space-2)) var(--space-2);
    border-bottom: 1px solid var(--color-border);
    background: linear-gradient(180deg, var(--color-card) 0%, transparent 100%);
}

.site-header--compact {
    padding: var(--space-2) var(--space-2) var(--space-3);
    margin-bottom: var(--space-3);
}

.site-brand {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    text-decoration: none;
    color: inherit;
    border-radius: var(--radius-lg);
    transition: opacity var(--transition-fast);
}

.site-brand:hover {
    opacity: 0.85;
}

.site-brand:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 4px;
}

.site-logo {
    width: 3.5rem;
    height: 3.5rem;
    flex-shrink: 0;
    display: block;
}

.site-header--compact .site-logo {
    width: 2.25rem;
    height: 2.25rem;
}

.site-title {
    font-family: var(--font-family);
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.1;
    margin: 0;
    background: linear-gradient(135deg, var(--color-text) 20%, var(--color-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: opacity var(--transition-fast);
}

.site-header--compact .site-title {
    font-size: 1.75rem;
}

.site-tagline {
    margin: var(--space-2) 0 0;
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--color-text-faint);
    letter-spacing: 0.02em;
}

.site-page-label {
    margin: var(--space-1) 0 0;
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-primary);
}

main > h2:first-child {
    margin-top: 0;
}

section.cta {
    text-align: center;
    margin: var(--space-4) 0;
}

.value-grid {
    margin: var(--space-3) 0;
}

main {
    width: 100%;
}

/* ============================================
   Weight utility
   ============================================ */

span.weight-300 {
    font-weight: 300;
}

/* ============================================
   Buttons
   ============================================ */

.button {
    font-family: var(--font-family);
    background-color: var(--color-primary);
    color: #ffffff;
    border: none;
    border-radius: var(--radius-lg);
    padding: 1rem 2rem;
    font-size: 1.25rem;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    display: block;
    width: auto;
    margin: var(--space-1) auto;
    cursor: pointer;
    transition: background-color var(--transition-base), transform var(--transition-fast), box-shadow var(--transition-base);
    line-height: 1.4;
}

.button:hover,
.button:focus {
    background-color: var(--color-primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.button:focus-visible,
.small_button:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

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

.button:active,
.small_button:active {
    transform: scale(0.97);
    box-shadow: var(--shadow-sm);
    transition: transform 0.05s ease, box-shadow 0.05s ease;
}

.button-cta {
    font-size: 2.25rem;
    padding: var(--space-3) var(--space-6);
}

/* Quiz answer buttons */

.stronglyAgree {
    background-color: var(--color-strongly-agree);
}

.stronglyAgree:hover,
.stronglyAgree:focus {
    background-color: var(--color-strongly-agree-hover);
}

.agree {
    background-color: var(--color-agree);
}

.agree:hover,
.agree:focus {
    background-color: var(--color-agree-hover);
}

.neutral {
    background-color: var(--color-neutral);
}

.neutral:hover,
.neutral:focus {
    background-color: var(--color-neutral-hover);
}

.disagree {
    background-color: var(--color-disagree);
}

.disagree:hover,
.disagree:focus {
    background-color: var(--color-disagree-hover);
}

.stronglyDisagree {
    background-color: var(--color-strongly-disagree);
}

.stronglyDisagree:hover,
.stronglyDisagree:focus {
    background-color: var(--color-strongly-disagree-hover);
}

/* Small navigation buttons */

.small_button,
.small_button_off {
    font-family: var(--font-family);
    background-color: var(--color-text);
    color: #ffffff;
    border: none;
    border-radius: var(--radius-lg);
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    margin: var(--space-1) auto;
    cursor: pointer;
    transition: background-color var(--transition-base), transform var(--transition-fast);
}

.small_button:hover,
.small_button:focus {
    background-color: var(--color-text-secondary);
    transform: translateY(-1px);
}

.small_button_off {
    background-color: var(--color-border);
    color: var(--color-text-faint);
    border: 2px solid var(--color-text-faint);
    cursor: not-allowed;
    opacity: 0.6;
}

.small_button_off:hover {
    transform: none;
}

/* ============================================
   Question card
   ============================================ */

p.question {
    background-color: var(--color-card);
    color: var(--color-text);
    font-family: var(--font-family);
    font-size: 1.5rem;
    font-weight: 500;
    line-height: 1.5;
    min-height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--space-4) var(--space-3);
    margin: var(--space-3) auto;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border);
    width: 100%;
    box-sizing: border-box;
    transition: opacity var(--transition-base), transform var(--transition-base);
}

p.question.is-updating {
    opacity: 0.55;
    transform: translateY(4px);
}

.quiz-meta {
    text-align: center;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--color-text-faint);
    margin: var(--space-2) 0 var(--space-1);
}

.quiz-progress {
    height: 6px;
    background-color: var(--color-border);
    border-radius: 999px;
    overflow: hidden;
    margin: 0 0 var(--space-3);
}

.quiz-progress-fill {
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, var(--color-primary), #818cf8);
    border-radius: 999px;
    transition: width 0.35s ease;
}

.quiz-answers {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.quiz-answers .button {
    margin-left: 0;
    margin-right: 0;
}

.quiz-nav {
    display: flex;
    justify-content: center;
    gap: var(--space-2);
    margin-top: var(--space-3);
    padding-top: var(--space-2);
    border-top: 1px solid var(--color-border-light);
}

.quiz-hint {
    text-align: center;
    font-size: 0.8125rem;
    color: var(--color-text-faint);
    margin: var(--space-2) 0 0;
}

.quiz-hint kbd {
    display: inline-block;
    padding: 0.1em 0.4em;
    font-family: inherit;
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1.4;
    color: var(--color-text-secondary);
    background-color: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    box-shadow: 0 1px 0 var(--color-border);
}

.instructions-actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
    max-width: 28rem;
    margin: var(--space-3) auto 0;
}

.instructions-actions .button {
    margin-left: 0;
    margin-right: 0;
    width: 100%;
}

.results-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-2);
    margin-top: var(--space-4);
}

.results-actions .button {
    margin: 0;
    min-width: 10rem;
}

.button-secondary {
    background-color: var(--color-card);
    color: var(--color-text-secondary);
    border: 2px solid var(--color-border);
    box-shadow: var(--shadow-sm);
}

.button-secondary:hover,
.button-secondary:focus {
    background-color: var(--color-border-light);
    color: var(--color-text);
    border-color: var(--color-text-faint);
}

/* ============================================
   Center grid (homepage value icons)
   ============================================ */

div.center {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-2);
    text-align: center;
    padding: var(--space-2);
    background-color: var(--color-card);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    margin: var(--space-3) auto;
}

/* ============================================
   Quad columns (value images)
   ============================================ */

img.quadcolumn {
    width: 100%;
    height: auto;
    transition: transform 0.3s ease;
    border-radius: var(--radius-sm);
}

a:has(img.quadcolumn) {
    display: block;
    border-radius: var(--radius-sm);
    transition: box-shadow var(--transition-base), transform var(--transition-base);
}

a:has(img.quadcolumn):hover {
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

a:has(img.quadcolumn):focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 3px;
}

img.quadcolumn:hover {
    transform: scale(1.05);
}

div.quadcolumn {
    width: 100%;
}

/* ============================================
   Axis names
   ============================================ */

div.axis_name,
p.axis_name {
    font-family: var(--font-family);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-faint);
    font-size: 0.875rem;
    margin: 0;
    padding: 0;
}

div.axis_name {
    display: inline-block;
    padding-bottom: var(--space-1);
}

p.axis_name {
    margin-top: var(--space-6);
    text-align: center;
}

/* ============================================
   Value labels (explanation section)
   ============================================ */

p.value {
    font-family: var(--font-family);
    font-size: 1.25rem;
    font-weight: 700;
    line-height: 1.6;
    letter-spacing: 0.03em;
    margin: var(--space-3) 0 var(--space-1) 0;
    text-indent: 0;
    margin-left: 0;
}

p.blurb-text {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-text-muted);
    margin: 0;
}

/* ============================================
   Explanation section (homepage)
   ============================================ */

.explanation_bg {
    background-color: var(--color-card);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    padding: var(--space-4) var(--space-3);
    margin-top: var(--space-3);
}

.spacer {
    display: flex;
    align-items: flex-start;
    gap: var(--space-2);
    margin-top: var(--space-2);
}

.spacer > div {
    text-align: center;
}

div.explanation_blurb_left {
    flex: 1 1 37%;
    text-align: left;
}

div.explanation_blurb_right {
    flex: 1 1 37%;
    text-align: left;
}

div.explanation_axis {
    flex: 0 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-width: 120px;
}

img.arrow {
    width: 100%;
    max-width: 200px;
    height: auto;
}

/* ============================================
   Results page — axis bars
   ============================================ */

div.axis {
    width: 100%;
    display: flex;
    align-items: center;
    gap: var(--space-1);
    margin: var(--space-1) 0;
}

div.axis img {
    height: 64px;
    width: auto;
    flex-shrink: 0;
}

div.bar {
    height: 3rem;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    padding: 0 var(--space-2);
    margin: 0;
    border: none;
    flex: 1 1 0;
    min-width: 0;
    box-sizing: border-box;
    transition: width 0.4s ease;
}

div.text-wrapper {
    font-family: var(--font-family);
    font-size: 1rem;
    font-weight: 600;
    color: #ffffff;
    display: inline-block;
    white-space: nowrap;
}

/* Axis bar colors */

div.equality {
    background-color: var(--color-equality);
    justify-content: flex-start;
    border-radius: var(--radius-md) 0 0 var(--radius-md);
}

div.wealth {
    background-color: var(--color-wealth);
    justify-content: flex-end;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

div.might {
    background-color: var(--color-might);
    justify-content: flex-start;
    border-radius: var(--radius-md) 0 0 var(--radius-md);
}

div.peace {
    background-color: var(--color-peace);
    justify-content: flex-end;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

div.liberty {
    background-color: var(--color-liberty);
    justify-content: flex-start;
    border-radius: var(--radius-md) 0 0 var(--radius-md);
}

div.liberty .text-wrapper {
    color: var(--color-text);
}

div.authority {
    background-color: var(--color-authority);
    justify-content: flex-end;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

div.tradition {
    background-color: var(--color-tradition);
    justify-content: flex-start;
    border-radius: var(--radius-md) 0 0 var(--radius-md);
}

div.progress {
    background-color: var(--color-progress);
    justify-content: flex-end;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

/* ============================================
   Banner image (results canvas)
   ============================================ */

#banner {
    display: block;
    margin: var(--space-3) auto;
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    border: 2px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    background-color: var(--color-card);
}

.copy-feedback {
    text-align: center;
    font-size: 0.875rem;
    color: var(--color-strongly-agree);
    font-weight: 600;
    min-height: 1.25rem;
    margin: var(--space-1) 0 0;
}

/* ============================================
   Responsive — Mobile
   ============================================ */

@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }

    .site-header {
        margin-left: calc(-1 * var(--space-2));
        margin-right: calc(-1 * var(--space-2));
        padding-left: var(--space-2);
        padding-right: var(--space-2);
    }

    .site-title {
        font-size: 2rem;
    }

    .site-header--compact .site-title {
        font-size: 1.5rem;
    }

    .site-logo {
        width: 2.75rem;
        height: 2.75rem;
    }

    .site-header--compact .site-logo {
        width: 2rem;
        height: 2rem;
    }

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

    h2 {
        font-size: 1.25rem;
    }

    p {
        font-size: 1rem;
    }

    p.question {
        font-size: 1.25rem;
        min-height: 100px;
        padding: var(--space-3) var(--space-2);
    }

    .quiz-hint {
        display: none;
    }

    body {
        padding: var(--space-2) var(--space-2);
        max-width: 100%;
    }

    .button {
        width: 100%;
        font-size: 1.1rem;
        padding: 0.875rem 1.5rem;
        margin-bottom: var(--space-1);
    }

    .small_button,
    .small_button_off {
        font-size: 0.8125rem;
        padding: 0.5rem 0.75rem;
    }

    div.center {
        grid-template-columns: repeat(4, 1fr);
        gap: var(--space-1);
        padding: var(--space-1);
    }

    div.axis img {
        height: 40px;
    }

    div.bar {
        height: 2.5rem;
    }

    div.text-wrapper {
        font-size: 0.875rem;
    }

    .spacer {
        flex-direction: column;
        align-items: center;
    }

    div.explanation_blurb_left,
    div.explanation_blurb_right {
        flex: 1 1 100%;
        text-align: center;
    }

    div.explanation_axis {
        flex: 0 0 auto;
    }

    img.arrow {
        max-width: 150px;
    }

    p.value {
        font-size: 1.1rem;
        text-indent: 0;
        margin-left: 0;
    }

    p.blurb-text {
        font-size: 0.9375rem;
    }

    .faq-item summary {
        font-size: 1rem;
        padding: var(--space-2);
    }

    .faq-item p {
        padding: var(--space-2);
        font-size: 0.9375rem;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 1.75rem;
    }

    .site-title {
        font-size: 1.75rem;
    }

    .site-header--compact .site-title {
        font-size: 1.375rem;
    }

    .button {
        font-size: 0.9rem;
        padding: 0.75rem 1rem;
        margin-bottom: 0.375rem;
    }

    div.axis img {
        height: 32px;
    }

    div.bar {
        height: 2rem;
    }

    div.text-wrapper {
        font-size: 0.75rem;
    }
}

/* ============================================
   FAQ accordion
   ============================================ */

.faq-section > h2 {
    margin-bottom: var(--space-3);
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.faq-item {
    background-color: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.faq-item[open] {
    border-color: var(--color-primary-light);
    box-shadow: var(--shadow-md);
}

.faq-item summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    font-family: var(--font-family);
    font-size: 1.0625rem;
    font-weight: 600;
    line-height: 1.45;
    color: var(--color-text);
    cursor: pointer;
    list-style: none;
    user-select: none;
    transition: color var(--transition-fast), background-color var(--transition-fast);
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: "";
    flex-shrink: 0;
    width: 0.5rem;
    height: 0.5rem;
    border-right: 2px solid var(--color-text-faint);
    border-bottom: 2px solid var(--color-text-faint);
    transform: rotate(45deg);
    margin-top: -0.2rem;
    transition: transform var(--transition-base), border-color var(--transition-fast);
}

.faq-item[open] summary::after {
    transform: rotate(-135deg);
    margin-top: 0.2rem;
    border-color: var(--color-primary);
}

.faq-item summary:hover {
    color: var(--color-primary);
    background-color: var(--color-border-light);
}

.faq-item summary:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: -2px;
}

.faq-item p {
    margin: 0;
    padding: var(--space-2) var(--space-3) var(--space-3);
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-text-muted);
    border-top: 1px solid var(--color-border-light);
}

/* ============================================
   Footer
   ============================================ */

footer {
    margin-top: var(--space-8);
    padding: var(--space-4) 0;
    text-align: center;
    border-top: 1px solid var(--color-border);
}

footer p {
    font-size: 0.875rem;
    color: var(--color-text-faint);
}

/* ============================================
   Accessibility — Reduced motion
   ============================================ */

@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;
    }
}