/**
 * IPAQ-SF Stylesheet
 * ─────────────────────────────────────────────────────────────────────────────
 * Architecture: Custom CSS with BEM-inspired naming.
 * Sections:
 *   1. CSS Custom Properties (Design Tokens)
 *   2. Reset & Base
 *   3. Typography
 *   4. Layout
 *   5. Header & Navigation
 *   6. Landing Page
 *   7. Questionnaire
 *   8. Results
 *   9. Utilities
 *  10. RTL Overrides (Arabic)
 *  11. Responsive (Media Queries)
 *  12. Print Styles
 *  13. Animations
 * ─────────────────────────────────────────────────────────────────────────────
 */

/* ═══════════════════════════════════════════════════════
   1. CSS CUSTOM PROPERTIES (Design Tokens)
   ═══════════════════════════════════════════════════════ */
:root {
    /* Brand colours */
    --clr-primary: #2563eb;
    /* vivid blue */
    --clr-primary-dark: #1d4ed8;
    --clr-primary-light: #3b82f6;
    --clr-secondary: #0ea5e9;
    /* sky */
    --clr-accent: #10b981;
    /* emerald – used for HIGH */
    --clr-warning: #f59e0b;
    /* amber  – used for MODERATE */
    --clr-danger: #ef4444;
    /* red    – used for LOW */
    --clr-neutral-50: #f8fafc;
    --clr-neutral-100: #f1f5f9;
    --clr-neutral-200: #e2e8f0;
    --clr-neutral-300: #cbd5e1;
    --clr-neutral-600: #475569;
    --clr-neutral-700: #334155;
    --clr-neutral-800: #1e293b;
    --clr-neutral-900: #0f172a;
    --clr-white: #ffffff;

    /* Typography */
    --font-sans: 'Inter', 'Segoe UI', Arial, sans-serif;
    --font-arabic: 'Noto Naskh Arabic', 'Segoe UI', Arial, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --line-height-tight: 1.25;
    --line-height-base: 1.6;
    --line-height-loose: 1.8;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;

    /* Borders */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / .1), 0 8px 10px -6px rgb(0 0 0 / .1);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
}

/* ═══════════════════════════════════════════════════════
   2. RESET & BASE
   ═══════════════════════════════════════════════════════ */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    font-family: var(--font-sans);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--clr-neutral-800);
    background: var(--clr-neutral-50);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Arabic body font override */
body[lang="ar"] {
    font-family: var(--font-arabic);
    line-height: var(--line-height-loose);
}

img,
video,
svg {
    display: block;
    max-width: 100%;
}

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

a:hover {
    color: var(--clr-primary-dark);
    text-decoration: underline;
}

ul,
ol {
    padding-left: var(--space-6);
}

body[dir="rtl"] ul,
body[dir="rtl"] ol {
    padding-left: 0;
    padding-right: var(--space-6);
}

/* ═══════════════════════════════════════════════════════
   3. TYPOGRAPHY
   ═══════════════════════════════════════════════════════ */
h1,
h2,
h3,
h4,
h5,
h6 {
    line-height: var(--line-height-tight);
    font-weight: 700;
    color: var(--clr-neutral-900);
}

h1 {
    font-size: var(--font-size-4xl);
}

h2 {
    font-size: var(--font-size-3xl);
}

h3 {
    font-size: var(--font-size-2xl);
}

h4 {
    font-size: var(--font-size-xl);
}

h5 {
    font-size: var(--font-size-lg);
}

p {
    margin-bottom: var(--space-4);
}

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

strong {
    font-weight: 600;
}

/* ═══════════════════════════════════════════════════════
   4. LAYOUT
   ═══════════════════════════════════════════════════════ */
.container {
    width: 100%;
    max-width: 1100px;
    margin-inline: auto;
    padding-inline: var(--space-6);
}

.page-wrapper {
    flex: 1;
}

/* ═══════════════════════════════════════════════════════
   5. HEADER & NAVIGATION
   ═══════════════════════════════════════════════════════ */
.site-header {
    background: var(--clr-white);
    border-bottom: 2px solid var(--clr-neutral-200);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
    gap: var(--space-4);
}

/* Logo / Brand */
.site-header__brand {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex-shrink: 0;
}

.site-header__logo {
    width: 38px;
    height: 38px;
    background: linear-gradient(135deg, var(--clr-primary), var(--clr-secondary));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--clr-white);
    font-weight: 800;
    font-size: var(--font-size-sm);
    letter-spacing: -0.5px;
    flex-shrink: 0;
}

.site-header__title {
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--clr-neutral-800);
    line-height: 1.2;
}

.site-header__subtitle {
    font-size: var(--font-size-xs);
    color: var(--clr-neutral-600);
    font-weight: 400;
}

/* Navigation */
.site-nav {
    display: flex;
    align-items: center;
    gap: var(--space-6);
}

.site-nav__links {
    display: flex;
    gap: var(--space-4);
    list-style: none;
    padding: 0;
    margin: 0;
}

.site-nav__link {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--clr-neutral-600);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-sm);
    transition: color var(--transition-fast), background var(--transition-fast);
}

.site-nav__link:hover,
.site-nav__link.is-active {
    color: var(--clr-primary);
    background: var(--clr-neutral-100);
    text-decoration: none;
}

/* Language switcher */
.lang-switcher {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-sm);
    color: var(--clr-neutral-600);
    flex-shrink: 0;
}

.lang-switcher__label {
    font-weight: 500;
    white-space: nowrap;
}

.lang-switcher__select {
    appearance: none;
    -webkit-appearance: none;
    background: var(--clr-neutral-100);
    border: 1px solid var(--clr-neutral-300);
    border-radius: var(--radius-sm);
    padding: var(--space-1) var(--space-6) var(--space-1) var(--space-3);
    font-size: var(--font-size-sm);
    font-family: inherit;
    color: var(--clr-neutral-800);
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23475569' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--space-2) center;
    transition: border-color var(--transition-fast);
}

body[dir="rtl"] .lang-switcher__select {
    padding: var(--space-1) var(--space-3) var(--space-1) var(--space-6);
    background-position: left var(--space-2) center;
}

.lang-switcher__select:hover,
.lang-switcher__select:focus {
    border-color: var(--clr-primary);
    outline: none;
}

/* ═══════════════════════════════════════════════════════
   6. LANDING PAGE
   ═══════════════════════════════════════════════════════ */

/* Hero section */
.hero {
    background: linear-gradient(135deg, var(--clr-primary-dark) 0%, var(--clr-secondary) 100%);
    padding: var(--space-16) var(--space-6);
    text-align: center;
    position: relative;
    overflow: hidden;
}

/* Decorative background circles */
.hero::before,
.hero::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    opacity: 0.1;
    background: var(--clr-white);
}

.hero::before {
    width: 500px;
    height: 500px;
    top: -200px;
    right: -100px;
}

.hero::after {
    width: 300px;
    height: 300px;
    bottom: -100px;
    left: -50px;
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    background: rgb(255 255 255 / .15);
    backdrop-filter: blur(4px);
    border: 1px solid rgb(255 255 255 / .25);
    color: var(--clr-white);
    font-size: var(--font-size-sm);
    font-weight: 600;
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-6);
    letter-spacing: 0.02em;
}

.hero__badge svg {
    display: inline-block;
    width: 16px;
    height: 16px;
}

.hero__title {
    font-size: clamp(2rem, 5vw, var(--font-size-5xl));
    color: var(--clr-white);
    font-weight: 800;
    margin-bottom: var(--space-2);
    letter-spacing: -0.02em;
}

.hero__subtitle {
    font-size: var(--font-size-2xl);
    color: rgb(255 255 255 / .85);
    font-weight: 400;
    margin-bottom: var(--space-6);
    font-style: italic;
}

.hero__intro {
    max-width: 650px;
    margin-inline: auto;
    color: rgb(255 255 255 / .9);
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-10);
}

.hero__cta {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    background: var(--clr-white);
    color: var(--clr-primary);
    font-weight: 700;
    font-size: var(--font-size-lg);
    padding: var(--space-4) var(--space-10);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-lg);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    position: relative;
    z-index: 1;
}

.hero__cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
    text-decoration: none;
    color: var(--clr-primary-dark);
}

.hero__time-note {
    display: block;
    margin-top: var(--space-4);
    color: rgb(255 255 255 / .7);
    font-size: var(--font-size-sm);
    position: relative;
    z-index: 1;
}

/* Info cards grid */
.info-section {
    padding: var(--space-16) var(--space-6);
}

.info-section__title {
    text-align: center;
    margin-bottom: var(--space-10);
    color: var(--clr-neutral-800);
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-6);
}

.info-card {
    background: var(--clr-white);
    border-radius: var(--radius-lg);
    padding: var(--space-8);
    box-shadow: var(--shadow-md);
    border-top: 4px solid transparent;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.info-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.info-card--blue {
    border-top-color: var(--clr-primary);
}

.info-card--sky {
    border-top-color: var(--clr-secondary);
}

.info-card--green {
    border-top-color: var(--clr-accent);
}

.info-card__icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-4);
    font-size: 1.5rem;
}

.info-card--blue .info-card__icon {
    background: #dbeafe;
}

.info-card--sky .info-card__icon {
    background: #e0f2fe;
}

.info-card--green .info-card__icon {
    background: #d1fae5;
}

.info-card__title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--space-4);
    color: var(--clr-neutral-800);
}

.info-card__body {
    font-size: var(--font-size-sm);
    color: var(--clr-neutral-600);
    line-height: var(--line-height-loose);
}

.info-card__body li {
    margin-bottom: var(--space-2);
}

/* Scoring table inside card */
.scoring-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-sm);
    margin: var(--space-4) 0;
}

.scoring-table th,
.scoring-table td {
    border: 1px solid var(--clr-neutral-200);
    padding: var(--space-2) var(--space-4);
    text-align: left;
}

body[dir="rtl"] .scoring-table th,
body[dir="rtl"] .scoring-table td {
    text-align: right;
}

.scoring-table thead {
    background: var(--clr-neutral-100);
    font-weight: 600;
}

.mt-sm {
    margin-top: var(--space-3);
}

/* ═══════════════════════════════════════════════════════
   7. QUESTIONNAIRE
   ═══════════════════════════════════════════════════════ */
.questionnaire-page {
    padding: var(--space-12) var(--space-6);
}

.questionnaire-page__header {
    max-width: 760px;
    margin-inline: auto;
    margin-bottom: var(--space-8);
}

.questionnaire-page__title {
    font-size: var(--font-size-3xl);
    color: var(--clr-neutral-900);
    margin-bottom: var(--space-4);
}

.questionnaire-page__instructions {
    background: linear-gradient(135deg, #eff6ff, #e0f2fe);
    border-left: 4px solid var(--clr-primary);
    border-radius: var(--radius-md) var(--radius-md);
    padding: var(--space-5) var(--space-6);
    font-size: var(--font-size-sm);
    color: var(--clr-neutral-700);
    line-height: var(--line-height-loose);
}

body[dir="rtl"] .questionnaire-page__instructions {
    border-left: none;
    border-right: 4px solid var(--clr-primary);
    border-radius: var(--radius-md) 0 0 var(--radius-md);
}

/* Form */
.ipaq-form {
    max-width: 760px;
    margin-inline: auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-8);
}

/* Question section block */
.q-section {
    background: var(--clr-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: box-shadow var(--transition-base);
}

.q-section:hover {
    box-shadow: var(--shadow-lg);
}

.q-section__header {
    padding: var(--space-5) var(--space-6);
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.q-section__header--vigorous {
    background: linear-gradient(135deg, #fee2e2, #fecaca);
}

.q-section__header--moderate {
    background: linear-gradient(135deg, #fef3c7, #fde68a);
}

.q-section__header--walking {
    background: linear-gradient(135deg, #d1fae5, #a7f3d0);
}

.q-section__header--sitting {
    background: linear-gradient(135deg, #ede9fe, #ddd6fe);
}

.q-section__icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    font-size: 1.4rem;
    flex-shrink: 0;
}

.q-section__header--vigorous .q-section__icon {
    background: #fca5a5;
}

.q-section__header--moderate .q-section__icon {
    background: #fcd34d;
}

.q-section__header--walking .q-section__icon {
    background: #6ee7b7;
}

.q-section__header--sitting .q-section__icon {
    background: #c4b5fd;
}

.q-section__title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--clr-neutral-900);
    margin: 0;
}

.q-section__body {
    padding: var(--space-6);
}

.q-section__desc {
    font-size: var(--font-size-sm);
    color: var(--clr-neutral-600);
    margin-bottom: var(--space-6);
    line-height: var(--line-height-loose);
    padding: var(--space-4);
    background: var(--clr-neutral-50);
    border-radius: var(--radius-sm);
}

/* Form fields */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
}

.form-row--single {
    grid-template-columns: 1fr;
}

@media (max-width: 560px) {
    .form-row {
        grid-template-columns: 1fr;
    }
}

.form-field {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    justify-content: space-between;
}

.form-field__label {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--clr-neutral-700);
    line-height: var(--line-height-base);
}

.form-field__input {
    padding: var(--space-3) var(--space-4);
    border: 2px solid var(--clr-neutral-200);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-family: inherit;
    color: var(--clr-neutral-900);
    background: var(--clr-white);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    width: 100%;
}

.form-field__input:focus {
    outline: none;
    border-color: var(--clr-primary);
    box-shadow: 0 0 0 3px rgb(37 99 235 / .15);
}

.form-field__input.is-invalid {
    border-color: var(--clr-danger);
    box-shadow: 0 0 0 3px rgb(239 68 68 / .15);
}

.form-field__input.is-valid {
    border-color: var(--clr-accent);
}

.form-field__error {
    font-size: var(--font-size-xs);
    color: var(--clr-danger);
    min-height: 1.2em;
    display: none;
}

.form-field__error.is-visible {
    display: block;
    animation: fadeIn var(--transition-fast) ease;
}

/* Submit button */
.form-submit {
    text-align: center;
    padding: var(--space-4) 0 var(--space-8);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    font-family: inherit;
    font-weight: 600;
    border: none;
    cursor: pointer;
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
    text-decoration: none;
}

.btn--primary {
    background: linear-gradient(135deg, var(--clr-primary), var(--clr-primary-dark));
    color: var(--clr-white);
    font-size: var(--font-size-lg);
    padding: var(--space-4) var(--space-12);
    box-shadow: var(--shadow-md);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: var(--clr-white);
    text-decoration: none;
}

.btn--primary:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

.btn--primary:disabled {
    opacity: .6;
    cursor: not-allowed;
    transform: none;
}

.btn--secondary {
    background: var(--clr-neutral-100);
    color: var(--clr-neutral-700);
    font-size: var(--font-size-base);
    padding: var(--space-3) var(--space-8);
    border: 1px solid var(--clr-neutral-300);
}

.btn--secondary:hover {
    background: var(--clr-neutral-200);
    color: var(--clr-neutral-800);
    text-decoration: none;
}

.btn--outline {
    background: transparent;
    color: var(--clr-primary);
    font-size: var(--font-size-base);
    padding: var(--space-3) var(--space-8);
    border: 2px solid var(--clr-primary);
}

.btn--outline:hover {
    background: var(--clr-primary);
    color: var(--clr-white);
    text-decoration: none;
}

/* ═══════════════════════════════════════════════════════
   8. RESULTS
   ═══════════════════════════════════════════════════════ */
.results-page {
    padding: var(--space-12) var(--space-6);
}

.results-page__header {
    max-width: 760px;
    margin-inline: auto;
    margin-bottom: var(--space-8);
    text-align: center;
}

.results-page__title {
    font-size: var(--font-size-3xl);
    color: var(--clr-neutral-900);
    margin-bottom: var(--space-2);
}

.results-page__subtitle {
    color: var(--clr-neutral-600);
    font-size: var(--font-size-lg);
}

.results-grid {
    max-width: 900px;
    margin-inline: auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
}

@media (max-width: 680px) {
    .results-grid {
        grid-template-columns: 1fr;
    }
}

/* Category badge */
.category-banner {
    grid-column: 1 / -1;
    border-radius: var(--radius-lg);
    padding: var(--space-8);
    text-align: center;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.category-banner--low {
    background: linear-gradient(135deg, #fef2f2, #fee2e2);
    border: 2px solid #fca5a5;
}

.category-banner--moderate {
    background: linear-gradient(135deg, #fffbeb, #fef3c7);
    border: 2px solid #fcd34d;
}

.category-banner--high {
    background: linear-gradient(135deg, #f0fdf4, #dcfce7);
    border: 2px solid #6ee7b7;
}

.category-banner__label {
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-2);
}

.category-banner--low .category-banner__label {
    color: #b91c1c;
}

.category-banner--moderate .category-banner__label {
    color: #92400e;
}

.category-banner--high .category-banner__label {
    color: #065f46;
}

.category-banner__value {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    line-height: 1;
    margin-bottom: var(--space-4);
}

.category-banner--low .category-banner__value {
    color: var(--clr-danger);
}

.category-banner--moderate .category-banner__value {
    color: var(--clr-warning);
}

.category-banner--high .category-banner__value {
    color: var(--clr-accent);
}

.category-banner__desc {
    font-size: var(--font-size-base);
    color: var(--clr-neutral-700);
    max-width: 560px;
    margin-inline: auto;
}

/* Results cards */
.results-card {
    background: var(--clr-white);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    box-shadow: var(--shadow-md);
}

.results-card--full {
    grid-column: 1 / -1;
}

.results-card__title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--clr-neutral-800);
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-3);
    border-bottom: 2px solid var(--clr-neutral-100);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

/* MET score rows */
.met-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-3) 0;
    border-bottom: 1px solid var(--clr-neutral-100);
    gap: var(--space-4);
}

.met-row:last-child {
    border-bottom: none;
}

.met-row__label {
    font-size: var(--font-size-sm);
    color: var(--clr-neutral-600);
    flex: 1;
}

.met-row__value {
    font-size: var(--font-size-base);
    font-weight: 700;
    color: var(--clr-neutral-900);
    white-space: nowrap;
}

.met-row--total .met-row__label {
    font-weight: 700;
    color: var(--clr-neutral-800);
}

.met-row--total .met-row__value {
    font-size: var(--font-size-xl);
    color: var(--clr-primary);
}

/* Raw responses table */
.responses-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-sm);
}

.responses-table td {
    padding: var(--space-3) var(--space-4);
    border-bottom: 1px solid var(--clr-neutral-100);
}

.responses-table td:first-child {
    color: var(--clr-neutral-600);
    width: 65%;
}

.responses-table td:last-child {
    font-weight: 700;
    color: var(--clr-neutral-900);
    text-align: right;
}

body[dir="rtl"] .responses-table td:last-child {
    text-align: left;
}

.responses-table tr:last-child td {
    border-bottom: none;
}

/* Explanation card */
.explanation-card {
    background: linear-gradient(135deg, #eff6ff, #f0fdf4);
    border: 1px solid var(--clr-neutral-200);
}

.explanation-card .results-card__title {
    color: var(--clr-primary-dark);
}

.explanation-card ul {
    font-size: var(--font-size-sm);
    color: var(--clr-neutral-600);
    line-height: var(--line-height-loose);
}

.explanation-card li {
    margin-bottom: var(--space-2);
}

/* Results actions */
.results-actions {
    grid-column: 1 / -1;
    display: flex;
    justify-content: center;
    gap: var(--space-4);
    flex-wrap: wrap;
    padding-bottom: var(--space-8);
}

/* Loading / Error states */
#loading-indicator {
    display: none;
    text-align: center;
    padding: var(--space-4);
}

.spinner {
    display: inline-block;
    width: 36px;
    height: 36px;
    border: 3px solid var(--clr-neutral-200);
    border-top-color: var(--clr-primary);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
    margin-bottom: var(--space-2);
}

.error-banner {
    background: #fef2f2;
    border: 1px solid #fca5a5;
    border-radius: var(--radius-md);
    padding: var(--space-4) var(--space-6);
    color: #b91c1c;
    font-size: var(--font-size-sm);
    margin-top: var(--space-4);
    display: none;
}

.error-banner.is-visible {
    display: block;
}

/* ═══════════════════════════════════════════════════════
   9. UTILITIES
   ═══════════════════════════════════════════════════════ */

/* Skip-to-main-content link (accessibility) –
   Visually hidden until focused via keyboard (Tab key).        */
.skip-link {
    position: absolute;
    top: -100%;
    left: var(--space-4);
    z-index: 10000;
    background: var(--clr-primary);
    color: var(--clr-white);
    font-weight: 600;
    font-size: var(--font-size-sm);
    padding: var(--space-3) var(--space-6);
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    text-decoration: none;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: 0;
    outline: 3px solid var(--clr-primary-light);
    outline-offset: 2px;
}

body[dir="rtl"] .skip-link {
    left: auto;
    right: var(--space-4);
    border-radius: 0 0 var(--radius-md) var(--radius-md);
}

.hidden {
    display: none !important;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.text-center {
    text-align: center;
}

/* ═══════════════════════════════════════════════════════
   10. FOOTER
   ═══════════════════════════════════════════════════════ */
.site-footer {
    background: var(--clr-neutral-800);
    color: var(--clr-neutral-300);
    text-align: center;
    padding: var(--space-6);
    font-size: var(--font-size-sm);
}

.site-footer a {
    color: var(--clr-primary-light);
}

/* ═══════════════════════════════════════════════════════
   11. RTL OVERRIDES (Arabic)
   ═══════════════════════════════════════════════════════ */
body[dir="rtl"] .site-header__inner {
    flex-direction: row-reverse;
}

body[dir="rtl"] .site-nav {
    flex-direction: row-reverse;
}

body[dir="rtl"] .site-nav__links {
    flex-direction: row-reverse;
}

body[dir="rtl"] .q-section__header {
    flex-direction: row-reverse;
}

body[dir="rtl"] .met-row {
    flex-direction: row-reverse;
}

body[dir="rtl"] .results-actions {
    flex-direction: row-reverse;
}

/* RTL score indicator */
body[dir="rtl"] .results-card__title {
    flex-direction: row-reverse;
}

body[dir="rtl"] .results-page__header {
    text-align: right;
}

body[dir="rtl"] .results-page__title {
    text-align: right;
}

body[dir="rtl"] .results-page__subtitle {
    text-align: right;
}

/* ═══════════════════════════════════════════════════════
   12. RESPONSIVE
   ═══════════════════════════════════════════════════════ */
@media (max-width: 768px) {
    h1 {
        font-size: var(--font-size-3xl);
    }

    h2 {
        font-size: var(--font-size-2xl);
    }

    .site-header__subtitle {
        display: none;
    }

    .site-nav__links {
        display: none;
    }

    /* collapse nav on small screens */

    .hero {
        padding: var(--space-10) var(--space-4);
    }

    .hero__cta {
        padding: var(--space-4) var(--space-8);
    }

    .questionnaire-page,
    .results-page {
        padding: var(--space-8) var(--space-4);
    }

    .q-section__body {
        padding: var(--space-4);
    }

    .category-banner__value {
        font-size: var(--font-size-4xl);
    }
}

@media (max-width: 480px) {
    .lang-switcher__label {
        display: none;
    }

    .btn--primary {
        padding: var(--space-4) var(--space-6);
        font-size: var(--font-size-base);
    }
}

/* ═══════════════════════════════════════════════════════
   13. PRINT STYLES
   ═══════════════════════════════════════════════════════ */
.print-only {
    display: none;
}

@media print {
    @page {
        size: A4;
        margin: 12mm;
    }

    .site-header,
    .results-actions,
    .questionnaire-page,
    .hero,
    .info-section,
    .site-footer {
        display: none !important;
    }

    .print-only {
        display: block;
    }

    body {
        background: white;
        color: black;
        font-size: 10pt;
        line-height: 1.3;
    }

    .page-wrapper {
        padding: 0;
    }

    .results-page {
        display: block;
        padding: 0;
        max-width: 100%;
    }

    .results-page__header {
        margin-bottom: 4mm;
        text-align: left;
    }

    body[dir="rtl"] .results-page__header {
        text-align: right;
    }

    .results-page__title {
        font-size: 16pt;
        margin-bottom: 1mm;
    }

    .results-page__subtitle {
        font-size: 9pt;
        margin-bottom: 2mm;
    }

    /* Compact Print Header */
    .print-header {
        border-bottom: 1pt solid var(--clr-primary);
        padding-bottom: 3mm;
        margin-bottom: 5mm;
    }

    .print-header__top {
        display: flex;
        align-items: center;
        gap: 3mm;
        margin-bottom: 2mm;
    }

    body[dir="rtl"] .print-header__top {
        flex-direction: row-reverse;
    }

    .print-header__logo {
        width: 30pt;
        height: 30pt;
    }

    .print-header__title {
        font-size: 14pt;
        font-weight: 700;
        color: var(--clr-primary);
    }

    .print-header__url {
        font-size: 8pt;
        color: var(--clr-neutral-600);
    }

    .print-header__date-box {
        display: inline-block;
        border: 1px solid var(--clr-neutral-300);
        padding: 1mm 3mm;
        border-radius: var(--radius-sm);
        background: var(--clr-neutral-50);
        font-size: 8pt;
    }

    /* Compact Results layout */
    .results-grid {
        display: block;
        gap: 0;
    }

    .results-card,
    .category-banner {
        box-shadow: none !important;
        border: 1px solid #ccc !important;
        margin-bottom: 3mm !important;
        padding: 2mm 3mm !important;
        break-inside: avoid;
        page-break-inside: avoid;
    }

    .category-banner {
        background: #f8f9fa !important;
        border-width: 1.5pt !important;
        padding: 3mm !important;
    }

    .category-banner__value {
        font-size: 20pt !important;
        margin-bottom: 1mm;
    }

    .category-banner__label {
        font-size: 10pt !important;
        margin-bottom: 1mm;
    }

    .category-banner__desc {
        font-size: 8pt !important;
        margin: 0;
    }

    .results-card__title {
        font-size: 11pt;
        margin-bottom: 2mm;
        padding-bottom: 1mm;
        border-bottom: 1px solid #eee;
    }

    .met-row {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 1mm 0;
        font-size: 9pt;
        border-bottom: 1px solid #f5f5f5;
    }

    .met-row:last-child {
        border-bottom: none;
        font-weight: bold;
        background: #f8f9fa;
        padding: 1.5mm;
        margin: 0 -1mm;
    }

    .responses-table {
        width: 100%;
        font-size: 8pt;
        border-collapse: collapse;
    }

    .responses-table td {
        padding: 1mm 2mm;
        border-bottom: 1px solid #f5f5f5;
        vertical-align: top;
    }

    .responses-table td:first-child {
        font-weight: 500;
        width: 70%;
    }

    .responses-table td:last-child {
        text-align: right;
        font-weight: 600;
    }

    .explanation-card {
        display: none !important;
    }

    /* Hide background images/patterns on print */
    .hero::before,
    .hero::after {
        display: none;
    }

    .print-footer {
        margin-top: 8mm;
        padding-top: 3mm;
        border-top: 1pt solid var(--clr-neutral-200);
        text-align: center;
        font-size: 7pt;
        color: var(--clr-neutral-600);
    }

    /* Ensure content fits on one page */
    .results-page {
        max-height: 250mm;
        overflow: hidden;
    }
}

/* ═══════════════════════════════════════════════════════
   14. ANIMATIONS
   ═══════════════════════════════════════════════════════ */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-4px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.anim-slide-up {
    animation: slideUp var(--transition-slow) ease both;
}

.anim-slide-up:nth-child(1) {
    animation-delay: 0ms;
}

.anim-slide-up:nth-child(2) {
    animation-delay: 80ms;
}

.anim-slide-up:nth-child(3) {
    animation-delay: 160ms;
}

.anim-slide-up:nth-child(4) {
    animation-delay: 240ms;
}

.anim-slide-up:nth-child(5) {
    animation-delay: 320ms;
}