/* ============================================================================
   STYLE.CSS — amministrazionetrasparente.online
   Accessibilità WCAG 2.1 AA | Mobile-first | Zero dipendenze
   ============================================================================ */

/* ============================================================================
   1. CUSTOM PROPERTIES
   ============================================================================ */
:root {
    /* Colori primari */
    --color-primary: #1B3A5C;
    --color-primary-light: #2E5C8A;
    --color-primary-dark: #0F2137;
    --color-accent: #0066CC;
    --color-accent-hover: #0052A3;

    /* Colori stato */
    --color-success: #1A7A4C;
    --color-success-bg: #E8F5EE;
    --color-warning: #B8860B;
    --color-warning-bg: #FFF8E1;
    --color-error: #C0392B;
    --color-error-bg: #FDEDEC;

    /* Testo */
    --color-text: #1A1A2E;
    --color-text-light: #5A6474;
    --color-text-muted: #8896A6;
    --color-text-inverse: #FFFFFF;

    /* Sfondo */
    --color-bg: #FAFBFC;
    --color-bg-white: #FFFFFF;
    --color-bg-alt: #F1F5F9;
    --color-bg-dark: #0F2137;

    /* Bordi */
    --color-border: #E2E8F0;
    --color-border-dark: #CBD5E1;

    /* Font */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-md: 1.125rem;
    --font-size-lg: 1.25rem;
    --font-size-xl: 1.5rem;
    --font-size-2xl: 2rem;
    --font-size-3xl: 2.5rem;
    --font-size-4xl: 3rem;

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

    /* Layout */
    --container-max: 1200px;
    --container-padding: 1.25rem;
    --header-height: 72px;

    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);

    /* Transizioni */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;

    /* Focus */
    --focus-ring: 0 0 0 3px rgba(0, 102, 204, 0.4);
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

a {
    color: var(--color-accent);
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 2px;
    transition: color var(--transition-fast);
}

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

ul,
ol {
    list-style: none;
}

button,
input,
select,
textarea {
    font: inherit;
    color: inherit;
}

button {
    cursor: pointer;
    border: none;
    background: none;
}

table {
    border-collapse: collapse;
    width: 100%;
}

/* Focus accessibile */
:focus-visible {
    outline: 3px solid var(--color-accent);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

:focus:not(:focus-visible) {
    outline: none;
}

/* ============================================================================
   3. TYPOGRAPHY
   ============================================================================ */
@font-face {
    font-family: 'Inter';
    src: url('../fonts/inter/Inter-Regular.woff2') format('woff2');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Inter';
    src: url('../fonts/inter/Inter-Medium.woff2') format('woff2');
    font-weight: 500;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Inter';
    src: url('../fonts/inter/Inter-SemiBold.woff2') format('woff2');
    font-weight: 600;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Inter';
    src: url('../fonts/inter/Inter-Bold.woff2') format('woff2');
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
    color: var(--color-primary);
    font-weight: 700;
}

h1 { font-size: var(--font-size-3xl); margin-bottom: var(--space-lg); }
h2 { font-size: var(--font-size-2xl); margin-bottom: var(--space-md); }
h3 { font-size: var(--font-size-xl); margin-bottom: var(--space-md); }
h4 { font-size: var(--font-size-lg); margin-bottom: var(--space-sm); }
h5 { font-size: var(--font-size-md); margin-bottom: var(--space-sm); }
h6 { font-size: var(--font-size-base); margin-bottom: var(--space-sm); }

p {
    margin-bottom: var(--space-md);
    color: var(--color-text-light);
}

strong {
    font-weight: 600;
}

small {
    font-size: var(--font-size-sm);
}

/* ============================================================================
   4. LAYOUT
   ============================================================================ */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin-inline: auto;
    padding-inline: var(--container-padding);
}

.section {
    padding-block: var(--space-3xl);
}

.section--alt {
    background-color: var(--color-bg-alt);
}

.section--dark {
    background-color: var(--color-primary);
    color: var(--color-text-inverse);
}

.section--dark h2,
.section--dark h3,
.section--dark p {
    color: var(--color-text-inverse);
}

.section--dark p {
    opacity: 0.85;
}

/* Card dentro sezione scura: ripristina colori leggibili */
.section--dark .card {
    background: var(--color-bg-white);
}

.section--dark .card .card__title {
    color: var(--color-primary);
}

.section--dark .card .card__text {
    color: var(--color-text-light);
    opacity: 1;
}

.section--dark .card h3,
.section--dark .card p {
    color: inherit;
}

.section__header {
    text-align: center;
    max-width: 720px;
    margin-inline: auto;
    margin-bottom: var(--space-2xl);
}

.section__subtitle {
    font-size: var(--font-size-md);
    color: var(--color-accent);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-sm);
}

.grid {
    display: grid;
    gap: var(--space-lg);
}

.grid--2 { grid-template-columns: 1fr; }
.grid--3 { grid-template-columns: 1fr; }
.grid--4 { grid-template-columns: 1fr; }

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

/* ============================================================================
   5. SKIP TO CONTENT
   ============================================================================ */
.skip-link {
    position: absolute;
    top: -100%;
    left: var(--space-md);
    z-index: 1000;
    padding: var(--space-sm) var(--space-md);
    background: var(--color-accent);
    color: var(--color-text-inverse);
    font-weight: 600;
    font-size: var(--font-size-sm);
    text-decoration: none;
    border-radius: var(--radius-md);
}

.skip-link:focus {
    top: var(--space-md);
}

/* ============================================================================
   6. HEADER / NAV
   ============================================================================ */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: var(--color-bg-white);
    border-bottom: 1px solid var(--color-border);
    height: var(--header-height);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    gap: var(--space-md);
}

.header__brand {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    text-decoration: none;
    color: var(--color-primary);
    flex-shrink: 0;
}

.header__logo {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
}

.header__name {
    font-weight: 700;
    font-size: var(--font-size-md);
    line-height: 1.2;
}

.header__name-sub {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    font-weight: 400;
}

/* Navigazione */
.nav {
    display: none;
    position: fixed;
    inset: var(--header-height) 0 0 0;
    background: var(--color-bg-white);
    padding: var(--space-lg);
    overflow-y: auto;
    flex-direction: column;
    gap: var(--space-xs);
    z-index: 99;
}

.nav--open {
    display: flex;
}

.nav__link {
    display: block;
    padding: var(--space-sm) var(--space-md);
    color: var(--color-text);
    text-decoration: none;
    font-size: var(--font-size-base);
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: background var(--transition-fast), color var(--transition-fast);
}

.nav__link:hover {
    background: var(--color-bg-alt);
    color: var(--color-accent);
}

.nav__link--active {
    color: var(--color-accent);
    background: rgba(0, 102, 204, 0.08);
}

.nav__cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-sm) var(--space-lg);
    background: var(--color-accent);
    color: var(--color-text-inverse);
    text-decoration: none;
    font-weight: 600;
    font-size: var(--font-size-sm);
    border-radius: var(--radius-md);
    transition: background var(--transition-fast);
    margin-top: var(--space-sm);
}

.nav__cta:hover {
    background: var(--color-accent-hover);
    color: var(--color-text-inverse);
}

/* Hamburger */
.header__toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    color: var(--color-text);
}

.header__toggle-icon {
    display: block;
    width: 24px;
    height: 2px;
    background: currentColor;
    position: relative;
    transition: background var(--transition-fast);
}

.header__toggle-icon::before,
.header__toggle-icon::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 2px;
    background: currentColor;
    left: 0;
    transition: transform var(--transition-fast);
}

.header__toggle-icon::before { top: -7px; }
.header__toggle-icon::after { top: 7px; }

.header__toggle[aria-expanded="true"] .header__toggle-icon {
    background: transparent;
}

.header__toggle[aria-expanded="true"] .header__toggle-icon::before {
    transform: rotate(45deg) translate(5px, 5px);
}

.header__toggle[aria-expanded="true"] .header__toggle-icon::after {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================================================
   7. FOOTER
   ============================================================================ */
.footer {
    background: var(--color-bg-dark);
    color: var(--color-text-inverse);
    padding-block: var(--space-3xl) var(--space-xl);
}

.footer__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

.footer__heading {
    font-size: var(--font-size-sm);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text-inverse);
    margin-bottom: var(--space-md);
    opacity: 0.7;
}

.footer__text {
    font-size: var(--font-size-sm);
    color: var(--color-text-inverse);
    opacity: 0.7;
    line-height: 1.7;
    margin-bottom: 0;
}

.footer__link {
    display: block;
    color: var(--color-text-inverse);
    text-decoration: none;
    font-size: var(--font-size-sm);
    padding-block: var(--space-xs);
    opacity: 0.7;
    transition: opacity var(--transition-fast);
}

.footer__link:hover {
    opacity: 1;
    color: var(--color-text-inverse);
}

.footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--space-lg);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    font-size: var(--font-size-xs);
    opacity: 0.6;
}

.footer__bottom a {
    color: var(--color-text-inverse);
}

/* ============================================================================
   8. BUTTONS
   ============================================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 0.75rem 1.75rem;
    font-weight: 600;
    font-size: var(--font-size-base);
    text-decoration: none;
    border-radius: var(--radius-md);
    border: 2px solid transparent;
    transition: all var(--transition-fast);
    cursor: pointer;
    min-height: 44px;
    min-width: 44px;
    line-height: 1.2;
}

.btn--primary {
    background: var(--color-accent);
    color: var(--color-text-inverse);
    border-color: var(--color-accent);
}

.btn--primary:hover {
    background: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
    color: var(--color-text-inverse);
}

.btn--outline {
    background: transparent;
    color: var(--color-accent);
    border-color: var(--color-accent);
}

.btn--outline:hover {
    background: var(--color-accent);
    color: var(--color-text-inverse);
}

.btn--white {
    background: var(--color-bg-white);
    color: var(--color-primary);
    border-color: var(--color-bg-white);
}

.btn--white:hover {
    background: var(--color-bg-alt);
    border-color: var(--color-bg-alt);
}

.btn--lg {
    padding: 1rem 2.25rem;
    font-size: var(--font-size-md);
}

.btn--sm {
    padding: 0.5rem 1.25rem;
    font-size: var(--font-size-sm);
}

.btn-group {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
}

/* ============================================================================
   9. CARDS
   ============================================================================ */
.card {
    background: var(--color-bg-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.card:hover {
    box-shadow: var(--shadow-md);
}

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

.card--highlight {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-md);
    position: relative;
}

.card__icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 102, 204, 0.08);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-md);
    color: var(--color-accent);
}

.card__icon svg {
    width: 24px;
    height: 24px;
}

.card__title {
    font-size: var(--font-size-lg);
    color: var(--color-primary);
    margin-bottom: var(--space-sm);
}

.card__text {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin-bottom: 0;
}

/* ============================================================================
   10. HERO
   ============================================================================ */
.hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: var(--color-text-inverse);
    padding-block: var(--space-4xl);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 30% 50%, rgba(255,255,255,0.05) 0%, transparent 60%);
    pointer-events: none;
}

.hero__content {
    position: relative;
    max-width: 800px;
    margin-inline: auto;
}

.hero__badge {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    background: rgba(255, 255, 255, 0.15);
    border-radius: 100px;
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--space-lg);
    backdrop-filter: blur(4px);
}

.hero h1 {
    color: var(--color-text-inverse);
    font-size: var(--font-size-3xl);
    margin-bottom: var(--space-md);
}

.hero__subtitle {
    font-size: var(--font-size-md);
    opacity: 0.9;
    margin-bottom: var(--space-xl);
    line-height: 1.6;
    color: var(--color-text-inverse);
}

/* ============================================================================
   11. STATS / NUMERI
   ============================================================================ */
.stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
}

.stat {
    text-align: center;
    padding: var(--space-lg);
}

.stat__number {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-accent);
    line-height: 1;
    margin-bottom: var(--space-xs);
}

.section--dark .stat__number {
    color: var(--color-text-inverse);
}

.stat__label {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    font-weight: 500;
}

.section--dark .stat__label {
    color: var(--color-text-inverse);
    opacity: 0.7;
}

/* ============================================================================
   12. ALERT BOX
   ============================================================================ */
.alert {
    display: flex;
    gap: var(--space-md);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    border-left: 4px solid;
}

.alert--warning {
    background: var(--color-warning-bg);
    border-color: var(--color-warning);
}

.alert--error {
    background: var(--color-error-bg);
    border-color: var(--color-error);
}

.alert--success {
    background: var(--color-success-bg);
    border-color: var(--color-success);
}

.alert__icon {
    flex-shrink: 0;
    font-size: var(--font-size-xl);
}

.alert__title {
    font-weight: 700;
    font-size: var(--font-size-base);
    color: var(--color-text);
    margin-bottom: var(--space-xs);
}

.alert__text {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin-bottom: 0;
}

/* ============================================================================
   13. BREADCRUMB
   ============================================================================ */
.breadcrumb {
    padding-block: var(--space-md);
    font-size: var(--font-size-sm);
}

.breadcrumb__list {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-xs);
}

.breadcrumb__item {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.breadcrumb__sep {
    color: var(--color-text-muted);
    margin-inline: var(--space-xs);
}

.breadcrumb__item a {
    color: var(--color-text-muted);
    text-decoration: none;
}

.breadcrumb__item a:hover {
    color: var(--color-accent);
    text-decoration: underline;
}

.breadcrumb__item [aria-current="page"] {
    color: var(--color-text);
    font-weight: 500;
}

/* Breadcrumb dentro page-header (sfondo scuro) */
.page-header .breadcrumb__item a {
    color: rgba(255, 255, 255, 0.7);
}

.page-header .breadcrumb__item a:hover {
    color: #fff;
}

.page-header .breadcrumb__sep {
    color: rgba(255, 255, 255, 0.4);
}

.page-header .breadcrumb__item [aria-current="page"] {
    color: #fff;
}

/* ============================================================================
   14. FORMS
   ============================================================================ */
.form-group {
    margin-bottom: var(--space-lg);
}

.form-group label {
    display: block;
    font-weight: 600;
    font-size: var(--font-size-sm);
    color: var(--color-text);
    margin-bottom: var(--space-xs);
}

.form-group .required {
    color: var(--color-error);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: var(--font-size-base);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-bg-white);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    min-height: 44px;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    border-color: var(--color-accent);
    box-shadow: var(--focus-ring);
    outline: none;
}

.form-input[aria-invalid="true"],
.form-textarea[aria-invalid="true"] {
    border-color: var(--color-error);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.form-error {
    display: none;
    font-size: var(--font-size-sm);
    color: var(--color-error);
    margin-top: var(--space-xs);
}

.form-error--visible {
    display: block;
}

.form-hint {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    margin-top: var(--space-xs);
}

/* ============================================================================
   15. TABLES
   ============================================================================ */
.table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin-bottom: var(--space-lg);
}

.table {
    min-width: 600px;
}

.table th,
.table td {
    padding: var(--space-sm) var(--space-md);
    text-align: left;
    border-bottom: 1px solid var(--color-border);
    font-size: var(--font-size-sm);
    vertical-align: top;
}

.table th {
    background: var(--color-bg-alt);
    font-weight: 600;
    color: var(--color-primary);
    white-space: nowrap;
}

.table tbody tr:hover {
    background: var(--color-bg-alt);
}

/* ============================================================================
   16. BADGES / TAGS
   ============================================================================ */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 0.2em 0.75em;
    font-size: var(--font-size-xs);
    font-weight: 600;
    border-radius: 100px;
    line-height: 1.6;
}

.badge--success {
    background: var(--color-success-bg);
    color: var(--color-success);
}

.badge--warning {
    background: var(--color-warning-bg);
    color: var(--color-warning);
}

.badge--error {
    background: var(--color-error-bg);
    color: var(--color-error);
}

.badge--neutral {
    background: var(--color-bg-alt);
    color: var(--color-text-muted);
}

/* ============================================================================
   17. TIMELINE (pagina normativa)
   ============================================================================ */
.timeline {
    position: relative;
    padding-left: var(--space-2xl);
}

.timeline::before {
    content: '';
    position: absolute;
    left: 11px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--color-border);
}

.timeline__item {
    position: relative;
    padding-bottom: var(--space-xl);
}

.timeline__item:last-child {
    padding-bottom: 0;
}

.timeline__dot {
    position: absolute;
    left: calc(-1 * var(--space-2xl) + 4px);
    top: 4px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--color-accent);
    border: 3px solid var(--color-bg);
}

.timeline__date {
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: var(--space-xs);
}

.timeline__title {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--space-xs);
}

.timeline__text {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin-bottom: 0;
}

/* ============================================================================
   18. PRICING
   ============================================================================ */
.pricing-card {
    background: var(--color-bg-white);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    text-align: center;
    transition: box-shadow var(--transition-base);
}

.pricing-card:hover {
    box-shadow: var(--shadow-lg);
}

.pricing-card--featured {
    border-color: var(--color-accent);
    position: relative;
}

.pricing-card__badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-accent);
    color: var(--color-text-inverse);
    padding: var(--space-xs) var(--space-md);
    border-radius: 100px;
    font-size: var(--font-size-xs);
    font-weight: 700;
    text-transform: uppercase;
    white-space: nowrap;
}

.pricing-card__name {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--space-sm);
}

.pricing-card__price {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--color-text);
    line-height: 1;
    margin-bottom: var(--space-xs);
}

.pricing-card__price span {
    font-size: var(--font-size-base);
    font-weight: 400;
    color: var(--color-text-muted);
}

.pricing-card__desc {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--space-lg);
}

.pricing-card__features {
    text-align: left;
    margin-bottom: var(--space-xl);
}

.pricing-card__feature {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    padding-block: var(--space-xs);
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

.pricing-card__check {
    color: var(--color-success);
    font-weight: 700;
    flex-shrink: 0;
    line-height: 1.6;
}

/* ============================================================================
   19. FAQ (Accordion)
   ============================================================================ */
.faq__item {
    border-bottom: 1px solid var(--color-border);
}

.faq__question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: var(--space-md) 0;
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-text);
    text-align: left;
    background: none;
    border: none;
    cursor: pointer;
    gap: var(--space-md);
    min-height: 44px;
}

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

.faq__icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-base);
    color: var(--color-text-muted);
}

.faq__question[aria-expanded="true"] .faq__icon {
    transform: rotate(180deg);
}

.faq__answer {
    display: none;
    padding-bottom: var(--space-md);
}

.faq__answer--open {
    display: block;
}

.faq__answer p {
    font-size: var(--font-size-sm);
}

/* ============================================================================
   20. PAGE-SPECIFIC
   ============================================================================ */

/* Page header (pagine interne) */
.page-header {
    background: var(--color-primary);
    color: var(--color-text-inverse);
    padding-block: var(--space-2xl);
}

.page-header h1 {
    color: var(--color-text-inverse);
    margin-bottom: var(--space-sm);
}

.page-header p {
    color: var(--color-text-inverse);
    opacity: 0.85;
    max-width: 720px;
    margin-bottom: 0;
}

/* CTA Section */
.cta-section {
    text-align: center;
    padding-block: var(--space-3xl);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: var(--color-text-inverse);
}

.cta-section h2 {
    color: var(--color-text-inverse);
}

.cta-section p {
    color: var(--color-text-inverse);
    opacity: 0.85;
}

/* Normativa refs */
.ref-tag {
    display: inline-block;
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--color-accent);
    background: rgba(0, 102, 204, 0.08);
    padding: 0.15em 0.6em;
    border-radius: var(--radius-sm);
}

/* Form success message */
.form-success {
    display: none;
    padding: var(--space-lg);
    background: var(--color-success-bg);
    border: 1px solid var(--color-success);
    border-radius: var(--radius-md);
    text-align: center;
}

.form-success--visible {
    display: block;
}

/* ============================================================================
   21. RESPONSIVE — Tablet (768px)
   ============================================================================ */
@media (min-width: 768px) {
    :root {
        --container-padding: 2rem;
    }

    h1 { font-size: var(--font-size-3xl); }

    .grid--2 { grid-template-columns: repeat(2, 1fr); }
    .grid--3 { grid-template-columns: repeat(2, 1fr); }
    .grid--4 { grid-template-columns: repeat(2, 1fr); }

    .stats { grid-template-columns: repeat(4, 1fr); }

    .footer__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer__bottom {
        flex-direction: row;
        justify-content: space-between;
    }
}

/* ============================================================================
   22. RESPONSIVE — Desktop (1024px)
   ============================================================================ */
@media (min-width: 1024px) {
    h1 { font-size: var(--font-size-4xl); }
    .hero h1 { font-size: var(--font-size-4xl); }

    /* Navigation desktop */
    .header__toggle {
        display: none;
    }

    .nav {
        display: flex;
        position: static;
        flex-direction: row;
        align-items: center;
        padding: 0;
        gap: var(--space-xs);
        overflow: visible;
    }

    .nav__link {
        padding: var(--space-xs) var(--space-sm);
        font-size: var(--font-size-sm);
        white-space: nowrap;
    }

    .nav__cta {
        margin-top: 0;
        margin-left: var(--space-sm);
    }

    .grid--3 { grid-template-columns: repeat(3, 1fr); }
    .grid--4 { grid-template-columns: repeat(4, 1fr); }

    .footer__grid {
        grid-template-columns: 2fr 1fr 1fr 1fr;
    }
}

/* ============================================================================
   23. ACCESSIBILITY
   ============================================================================ */

/* Riduzione movimento */
@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;
    }
}

/* Alto contrasto */
@media (prefers-contrast: more) {
    :root {
        --color-text: #000000;
        --color-text-light: #1A1A1A;
        --color-border: #666666;
    }

    .card {
        border-width: 2px;
    }
}

/* Screen reader only */
.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;
}