/* ============================================================
   Cruscotto UMA_D — Foglio di stile principale
   - Font ufficiale: Titillium Web (estratto dal Figma)
   - Accessibilità: WCAG 2.1 AA / EN 301 549
     * skip-link, focus-visible, contrasti AA, prefers-reduced-motion,
       gerarchia tipografica, target hit area >= 44x44 px
   ============================================================ */

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

/* ---------- Variabili tema ---------- */
:root {
    /* Palette dal Figma e dalla brand Regione Piemonte */
    --color-green-dark:   #2f6e1e;   /* titoli */
    --color-green:        #5d8f27;
    --color-blue:         #0064b3;   /* testo blu di Regione Piemonte */
    --color-blue-dark:    #003d8a;   /* footer */
    --color-blue-darker:  #002b66;
    --color-yellow:       #FEE62C;   /* tab attivo, accent menu */
    --color-yellow-bright:#FEE62C;
    --color-red:          #d9000d;   /* logo Regione Piemonte */
    --color-text:         #1f1f1f;   /* AAA su bianco */
    --color-text-soft:    #4a4a4a;   /* AA su bianco */
    --color-bg:           #ffffff;
    --color-bg-soft:      #f6f6f3;
    --color-border:       #d9d9d6;
    --color-overlay:      rgba(0, 0, 0, 0.30);

    /* Tipografia */
    --font-base: 'Titillium Web', 'Segoe UI', Tahoma, system-ui, -apple-system, sans-serif;

    /* Layout */
    --max-width: auto;
    --gutter: 24px;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-pill: 999px;

    /* Focus visibile (WCAG 2.4.7) */
    --focus-ring: 3px solid #0064b3;
    --focus-offset: 2px;

    /* Motion */
    --transition-fast: 0.15s ease;
    --transition: 0.2s ease;
}

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

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

body {
    font-family: var(--font-base);
    font-size: 16px;
    line-height: 1.5;
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1 0 auto;
}

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

a {
    color: var(--color-blue);
    text-decoration: underline;
    text-underline-offset: 2px;
}

a:hover {
    text-decoration: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
    color: inherit;
}

/* Focus visibile globale (WCAG 2.4.7, AA non-text contrast 1.4.11) */
:focus {
    outline: none;
}
:focus-visible {
    outline: var(--focus-ring);
    outline-offset: var(--focus-offset);
    border-radius: 4px;
}

.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 30px;
}

/* ---------- Skip-link (WCAG 2.4.1 Bypass Blocks) ---------- */
.skip-link {
    position: absolute;
    top: -100px;
    left: 16px;
    z-index: 1000;
    background: var(--color-yellow);
    color: var(--color-text);
    padding: 12px 20px;
    border-radius: var(--radius-sm);
    font-weight: 700;
    text-decoration: none;
    transition: top var(--transition);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
}

.skip-link:focus {
    top: 16px;
}

/* ============================================================
   HEADER (con immagine campo + trattore al tramonto)
   ============================================================ */
.site-header {
    position: relative;
    color: #ffffff;
    background-color: #3a2a10;
    overflow: hidden;
    padding: 0;
    height: 200px;
}

/* Foto specchiata orizzontalmente tramite pseudo-elemento */
.site-header::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url('../img/header-bg-new.png');
    background-size: cover;
    background-position: center center;
    transform: none;
    z-index: 0;
}

/* Overlay colorato sopra la foto (da Figma: #958B30 multiply 0.9) */
.site-header::after {
    content: '';
    position: absolute;
    inset: 0;
    background: #958B30;
    mix-blend-mode: multiply;
    opacity: 0.9;
    z-index: 1;
}

/* Tutto il contenuto dell'header va sopra i pseudo-elementi */
.site-header > * {
    position: relative;
    z-index: 2;
}

.site-header > .container {
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    padding-top: 31px;
}

.site-header__top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 32px;
    margin-bottom: 0;
}

.site-header__brand {
    display: inline-flex;
    align-items: center;
}

.site-header__brand img {
    width: 108px;
    height: 32px;
    filter: none;
}

.site-header__title {
    font-size: 39px;
    font-weight: 700;
    color: #ffffff;
    letter-spacing: -0.03em;
    line-height: 59px;
    margin-top: 8px;
    text-shadow: none;
}

.site-header__meta {
    text-align: right;
    font-size: 14px;
    line-height: 1.6;
    color: #ffffff;
    flex-shrink: 0;
    text-shadow: none;
}

.site-header__meta a {
    color: #ffffff;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    text-decoration: none;
    font-weight: 700;
    font-size: 14px;
    line-height: 14px;
}

.site-header__meta a:hover,
.site-header__meta a:focus-visible {
    text-decoration: none;
    color: var(--color-yellow);
}

.site-header__meta-icon {
    width: 40px;
    height: 30px;
    fill: none;
    flex-shrink: 0;
}

.site-header__meta-line {
    margin-top: 8px;
    font-family: 'Open Sans', sans-serif;
    font-size: 14px;
    line-height: 26px;
    font-weight: 400;
    opacity: 1;
}

.site-header__meta-line strong {
    font-weight: 700;
    color: #FFFFFF;
}

/* ============================================================
   NAVIGAZIONE PRINCIPALE
   - Barra bianca tra header e main, centrata
   - Rettangolare (nessun border-radius)
   - Tab attivo giallo, dropdown con linea gialla a sinistra
   - Keyboard: arrow keys, ESC, Home/End (gestiti da JS)
   ============================================================ */
.main-nav__wrapper {
    background: transparent;
    border-bottom: none;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 100;
    margin-top: -25px;
}

.main-nav__wrapper .container {
    display: flex;
    align-items: center;
    justify-content: center;
}

.main-nav {
    background: #ffffff;
    border-radius: 8px;
    box-shadow: 0px 3px 3px rgba(0, 0, 0, 0.16);
    padding: 0;
    display: flex;
    align-items: stretch;
    gap: 0;
    flex-wrap: wrap;
    list-style: none;
}

.main-nav__item:first-child > .main-nav__link[aria-current="page"] {
    border-top-left-radius: 8px;
    border-bottom-left-radius: 8px;
}

.main-nav__item {
    position: relative;
    display: inline-flex;
}

.main-nav__link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 13px 24px;
    border-radius: 0;
    color: #1864A3;
    font-weight: 700;
    font-size: 16px;
    line-height: 24px;
    letter-spacing: -0.008em;
    transition: background var(--transition-fast), color var(--transition-fast);
    text-decoration: none;
    min-height: 50px;
    white-space: nowrap;
    background: transparent;
    border: none;
    cursor: pointer;
    font-family: inherit;
}

.main-nav__link:hover {
    background: #fff7c2;
}

.main-nav__link[aria-current="page"],
.main-nav__link--active,
.main-nav__item.is-open > .main-nav__link {
    background: #FEE62C;
    color: #000000;
}

.main-nav__chevron {
    width: 15px;
    height: 8px;
    transition: transform var(--transition-fast);
    fill: none;
    stroke: currentColor;
    stroke-width: 1.5;
    stroke-linecap: round;
    stroke-linejoin: round;
    flex-shrink: 0;
}

.main-nav__item[aria-expanded="true"] > .main-nav__link .main-nav__chevron,
.main-nav__item.is-open > .main-nav__link .main-nav__chevron {
    transform: rotate(180deg);
}

/* Dropdown — apre sotto la navbar, barra gialla a sinistra */
.main-nav__dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    transform: translateY(-6px);
    min-width: 380px;
    background: #ffffff;
    border-left: 5px solid var(--color-yellow);
    border-radius: 0;
    box-shadow: 0 4px 2px rgba(0, 0, 0, 0.25);
    padding: 12px 0;
    list-style: none;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-fast), transform var(--transition-fast);
    z-index: 50;
}

.main-nav__item.is-open > .main-nav__dropdown {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.main-nav__dropdown li a {
    display: flex;
    align-items: center;
    padding: 10px 28px;
    font-size: 16px;
    color: #1864A3;
    text-decoration: none;
    font-weight: 400;
    line-height: 1.4;
    transition: background var(--transition-fast), color var(--transition-fast);
    min-height: 44px;
}

/* .main-nav__dropdown li a.main-nav__dropdown-item--primary {
    font-weight: 700;
} */

.main-nav__dropdown li a:hover {
    background: #fff7c2;
    color: var(--color-blue-dark);
}

.main-nav__dropdown li a:focus-visible {
    background: #fff7c2;
    color: var(--color-blue-dark);
    text-decoration: underline;
    text-underline-offset: 4px;
}

/* Toggle mobile (hamburger) */
.main-nav__toggle {
    display: none;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    background: #ffffff;
    border-radius: 50%;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
    color: var(--color-text);
}

.main-nav__toggle svg {
    width: 22px;
    height: 22px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
}

/* ============================================================
   PRIMO BLOCCO (testo + SVG)
   ============================================================ */
.hero {
    background: var(--color-bg);
    padding-top: 0px;
    position: relative;
}

.hero__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
    align-items: center;
}

.hero__title {
    color: #2F6E1E;
    font-size: 39px;
    font-weight: 700;
    line-height: 59px;
    letter-spacing: -0.03em;
    margin-bottom: 12px;
}

.hero__lead {
    color: #1864A3;
    font-size: 22px;
    line-height: 32px;
    margin-bottom: 18px;
    font-weight: 400;
}

.hero__body {
    color: #707070;
    font-size: 18px;
    line-height: 28px;
    margin-bottom: 28px;
}

.hero__cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 30px;
    border-radius: 20px;
    background: transparent;
    color: #000000;
    font-weight: 700;
    font-size: 14px;
    line-height: 20px;
    border: 2px solid #FEE62C;
    text-decoration: none;
    transition: background var(--transition), box-shadow var(--transition), transform 0.1s ease;
    min-height: 38px;
    cursor: pointer;
}

.hero__cta:hover,
.hero__cta:focus-visible {
    background: #f7f3cc;
    text-decoration: underline;
    text-underline-offset: 2px;
}

.hero__cta:active {
    transform: translateY(1px);
}

.hero__illustration-wrapper {
    width: 100vw;
    position: relative;
    left: 50%;
    transform: translateX(-50%);
    overflow: hidden;
}

.hero__illustration {
    width: 100%;
    height: auto;
    display: block;
}


/* ============================================================
   POWER BI CONTAINER
   ============================================================ */
.powerbi-section {
    padding: 0px 0;
    /*background: var(--color-bg-soft);*/
    background: #ffffff;
}

.powerbi-section__title {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-green-dark);
    margin-bottom: 8px;
}

.powerbi-section__intro {
    color: var(--color-text-soft);
    margin-bottom: 24px;
    font-size: 15px;
    max-width: 800px;
}

#powerbi-container {
    width: 100%;
    height: 100%;
    aspect-ratio: 16 / 9;
    min-height: 480px;
    background: #ffffff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-soft);
    font-style: italic;
    text-align: center;
    padding: 24px;
}

#powerbi-container:not(:empty) {
    color: inherit;
    font-style: normal;
    text-align: left;
    padding: 0;
}

#powerbi-container iframe {
    width: 100%;
    height: 100%;
    border: 0;
}

/* ============================================================
   FOOTER (blu con logo Regione Piemonte)
   ============================================================ */
.site-footer {
    background: var(--color-blue-dark);
    color: #ffffff;
    padding: 40px 0 28px;
    text-align: center;
    flex-shrink: 0;
}

.site-footer__logo {
    display: inline-block;
    margin-bottom: 24px;
}

.site-footer__logo img {
    height: 53px;
    width: auto;
    filter: brightness(1.05);
}

.site-footer__divider {
    width: calc(100% - 64px);
    max-width: 1100px;
    margin: 0 auto 22px;
    height: 1px;
    background: rgba(255, 255, 255, 0.4);
    border: 0;
}

.site-footer__email {
    font-size: 15px;
    margin-bottom: 8px;
    color: #ffffff;
}

.site-footer__email strong {
    color: var(--color-yellow);
    font-weight: 700;
}

.site-footer__email a {
    color: var(--color-yellow);
    text-decoration: underline;
    font-weight: 700;
}

.site-footer__email a:hover {
    text-decoration: none;
}

.site-footer__links {
    font-size: 14px;
    font-weight: 600;
    color: #ffffff;
    margin: 0;
}

.site-footer__links a {
    color: #ffffff;
    text-decoration: underline;
    text-underline-offset: 3px;
}

.site-footer__links a:hover,
.site-footer__links a:focus-visible {
    color: var(--color-yellow);
    text-decoration: none;
}

.site-footer__sep {
    margin: 0 10px;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 400;
}

/* ============================================================
   FILTRI (pagina "Carburante assegnato per anno")
   ============================================================ */
.page-heading {
    padding: 56px 0 16px;
}

.page-heading__title {
    color: var(--color-green-dark);
    font-size: clamp(24px, 3.5vw, 32px);
    font-weight: 700;
    line-height: 1.2;
}

.filters {
    background: #fff7c2;
    border-radius: var(--radius-md);
    padding: 24px;
    margin: 16px 0 8px;
}

.filters__title {
    font-size: 17px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 16px;
}

.filters__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr) auto;
    gap: 16px;
    align-items: end;
}

.filter-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.filter-field label {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text);
}

.filter-field select {
    appearance: none;
    -webkit-appearance: none;
    background: #ffffff
                url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'><path fill='%230064b3' d='M2 4l4 5 4-5z'/></svg>")
                no-repeat right 12px center / 12px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 10px 36px 10px 14px;
    font-size: 15px;
    color: var(--color-blue);
    font-family: inherit;
    cursor: pointer;
    min-height: 44px;
}

.filter-field select:focus-visible {
    border-color: var(--color-blue);
    outline: var(--focus-ring);
    outline-offset: var(--focus-offset);
}

.filters__reset {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 22px;
    font-size: 15px;
    font-weight: 700;
    background: var(--color-yellow);
    border: 1px solid #c9a800;
    border-radius: var(--radius-pill);
    color: var(--color-text);
    cursor: pointer;
    transition: background var(--transition-fast);
    white-space: nowrap;
    min-height: 44px;
    font-family: inherit;
}

.filters__reset:hover {
    background: var(--color-yellow-bright);
}

.filters__applied {
    font-size: 14px;
    color: var(--color-text);
    margin: 8px 0 24px;
}

.filters__applied strong {
    color: var(--color-text);
    font-weight: 700;
}

/* Tabella dati (riusata anche per la sotto-pagina) */
.data-table {
    width: 100%;
    border-collapse: collapse;
    background: #ffffff;
    border-radius: var(--radius-md);
    overflow: hidden;
    font-size: 14px;
    border: 1px solid var(--color-border);
}

.data-table thead {
    background: var(--color-green);
    color: #ffffff;
}

.data-table th {
    text-align: left;
    padding: 12px 14px;
    font-weight: 700;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.data-table td {
    padding: 14px;
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text);
    vertical-align: top;
    line-height: 1.45;
}

.data-table tbody tr:nth-child(even) {
    background: #fbfbf5;
}

.data-table .col-id {
    color: var(--color-green-dark);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 12px;
    letter-spacing: 0.05em;
    white-space: nowrap;
}

.data-table .col-amount {
    text-align: right;
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
    font-weight: 500;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (min-width: 768px) {
    .hero__grid {
        grid-template-columns: 1fr;
    }
    .hero__illustration-wrapper {
        margin-top: 24px;
    }
}

@media (max-width: 720px) {
    .site-header {
        height: auto;
        padding: 18px 0 24px;
    }

    .site-header__top {
        flex-direction: column;
        gap: 12px;
    }

    .site-header__meta {
        text-align: left;
    }

    .main-nav__wrapper {
        justify-content: flex-start;
        border-bottom: 1px solid var(--color-border);
    }

    .main-nav__wrapper .container {
        flex-direction: column;
        align-items: flex-start;
        padding: 8px var(--gutter);
    }

    .main-nav {
        display: none;
        flex-direction: column;
        align-items: stretch;
        width: 100%;
        padding-bottom: 8px;
    }

    .main-nav.is-open {
        display: flex;
    }

    .main-nav__item {
        width: 100%;
    }

    .main-nav__link {
        width: 100%;
        justify-content: space-between;
    }

    .main-nav__dropdown {
        position: static;
        transform: none !important;
        opacity: 1;
        pointer-events: auto;
        box-shadow: none;
        border-left-width: 4px;
        background: var(--color-bg-soft);
        margin-top: 0;
        display: none;
        min-width: 0;
    }

    .main-nav__item.is-open > .main-nav__dropdown {
        display: block;
    }

    .main-nav__toggle {
        display: inline-flex;
        margin: 8px 0;
    }

    .filters__grid {
        grid-template-columns: 1fr;
    }

    .filters__reset {
        grid-column: 1;
        justify-self: stretch;
    }

    #powerbi-container {
        min-height: 360px;
    }

    .data-table {
        font-size: 13px;
    }
}

/* High contrast mode (Windows / forced colors) */
@media (forced-colors: active) {
    .main-nav__link[aria-current="page"],
    .main-nav__link--active,
    .hero__cta,
    .filters__reset {
        forced-color-adjust: none;
        background: Highlight;
        color: HighlightText;
        border-color: Highlight;
    }

    :focus-visible {
        outline: 3px solid Highlight;
    }
}

/* Print */
@media print {
    .site-header,
    .site-footer,
    .main-nav,
    .skip-link,
    #powerbi-container {
        display: none;
    }
    body {
        color: #000;
        background: #fff;
    }
}