/*
Theme Name: SEO Platform Minimal
Author: SEO Platform
Description: Tema editoriale accessibile e production-ready per siti gestiti da SEO Platform.
Version: 1.2.0
Requires at least: 7.0
Requires PHP: 8.3
Text Domain: seo-platform-minimal
*/

:root {
    --sp-shell-width: 1200px;
    --sp-content-width: 760px;
    --sp-layout-gap: clamp(1.5rem, 3vw, 3rem);
    --sp-color-ink: #172033;
    --sp-color-muted: #5b6475;
    --sp-color-surface: #ffffff;
    --sp-color-soft: #f4f7fb;
    --sp-color-border: #dce3ed;
    --sp-color-accent: #155eef;
    --sp-color-accent-dark: #0b47be;
    --sp-radius: 0.75rem;
    --sp-shadow: 0 0.75rem 2.5rem rgb(23 32 51 / 8%);
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    background: var(--sp-color-surface);
    color: var(--sp-color-ink);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 1rem;
    line-height: 1.7;
    margin: 0;
    overflow-wrap: break-word;
}

a {
    color: var(--sp-color-accent-dark);
    text-decoration-thickness: 0.08em;
    text-underline-offset: 0.16em;
}

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

:focus-visible {
    outline: 3px solid var(--sp-color-accent);
    outline-offset: 3px;
}

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

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

h1,
h2,
h3,
h4 {
    color: var(--sp-color-ink);
    line-height: 1.18;
    margin-block: 1.5em 0.55em;
    text-wrap: balance;
}

h1 {
    font-size: clamp(2.15rem, 5vw, 4rem);
    letter-spacing: -0.035em;
    margin-block-start: 0;
}

h2 {
    font-size: clamp(1.55rem, 3vw, 2.25rem);
    letter-spacing: -0.02em;
}

h3 {
    font-size: clamp(1.25rem, 2vw, 1.55rem);
}

p,
ul,
ol,
blockquote,
figure,
table {
    margin-block: 0 1.25rem;
}

.sp-shell,
.sp-main {
    margin-inline: auto;
    max-width: var(--sp-shell-width);
    width: min(calc(100% - 2rem), var(--sp-shell-width));
}

.sp-main {
    min-height: 65vh;
    padding-block: clamp(2rem, 5vw, 4.5rem);
}

.sp-main:has(> .sp-breadcrumb) {
    padding-block-start: clamp(1rem, 2.5vw, 2rem);
}

.sp-site-header {
    background: rgb(255 255 255 / 96%);
    border-block-end: 1px solid var(--sp-color-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.admin-bar .sp-site-header {
    top: 32px;
}

.sp-site-header__inner {
    align-items: center;
    display: flex;
    gap: 1.5rem;
    justify-content: space-between;
    min-height: 4.5rem;
    padding-block: 0.75rem;
}

.sp-site-header__inner nav ul,
.sp-site-header__inner .menu {
    align-items: center;
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem 1.25rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.sp-site-header__inner nav a,
.sp-site-identity {
    color: var(--sp-color-ink);
    font-weight: 700;
    text-decoration: none;
}

.sp-site-identity {
    align-items: center;
    display: inline-flex;
    font-size: 1.15rem;
    gap: 0.75rem;
}

.custom-logo {
    max-height: 2.75rem;
    width: auto;
}

/*
 * Navigazione canonica dell'header: `nav.sp-nav-inline` per il desktop e
 * `details.sp-nav` (hamburger senza JS) per il mobile, fratelli dentro
 * `.sp-site-header__inner`. Servono due markup perché il contenuto di un
 * `<details>` chiuso non è rivelabile via CSS su tutti i motori, e le
 * proiezioni header non possono contenere script né form.
 */
details.sp-nav {
    display: none;
}

.sp-site-footer {
    background: var(--sp-color-ink);
    color: #eef3fb;
    margin-block-start: clamp(3rem, 7vw, 6rem);
}

.sp-site-footer a {
    color: #ffffff;
}

.sp-site-footer__inner {
    padding-block: 2.5rem;
}

.sp-site-footer__inner p:last-child {
    margin-block-end: 0;
}

.sp-site-introduction {
    background: linear-gradient(135deg, #eef4ff, #f8fafc 58%, #edf8f5);
    border: 1px solid var(--sp-color-border);
    border-radius: calc(var(--sp-radius) * 1.5);
    margin-block-end: clamp(2rem, 5vw, 4rem);
    padding: clamp(1.5rem, 5vw, 4rem);
}

.sp-site-introduction h1 {
    max-width: 16ch;
}

.sp-site-introduction p {
    color: var(--sp-color-muted);
    font-size: clamp(1.05rem, 2vw, 1.3rem);
    margin-block-end: 0;
    max-width: 62ch;
}

.sp-breadcrumb {
    color: var(--sp-color-muted);
    font-size: 0.875rem;
    margin-block-end: 1.5rem;
}

.sp-breadcrumb ol {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem 0.6rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.sp-breadcrumb li:not(:last-child)::after {
    color: #8992a3;
    content: "/";
    margin-inline-start: 0.6rem;
}

.sp-breadcrumb a {
    color: inherit;
}

.sp-article-meta {
    color: var(--sp-color-muted);
    display: flex;
    flex-wrap: wrap;
    font-size: 0.9rem;
    gap: 0.5rem 1.25rem;
    margin-block: -0.5rem 1.75rem;
}

.sp-article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-block: -1rem 1.75rem;
}

.sp-article-tags a {
    border: 1px solid var(--sp-color-border);
    border-radius: 999px;
    color: var(--sp-color-muted);
    font-size: 0.8rem;
    font-weight: 600;
    padding: 0.2rem 0.8rem;
    text-decoration: none;
}

.sp-article-tags a:hover {
    border-color: var(--sp-color-accent);
    color: var(--sp-color-accent-dark);
}

/*
 * Disclaimer sotto il corpo dell'articolo.
 *
 * Deve leggersi come una nota a margine, non come una parte del testo: corpo ridotto, colore
 * attenuato e una riga di separazione. Nessun colore semantico — il segnale lo porta la posizione,
 * non una tinta d'allarme.
 */
.sp-disclaimer {
    border-top: 1px solid var(--sp-color-border);
    color: var(--sp-color-muted);
    font-size: 0.85rem;
    line-height: 1.6;
    margin-block: clamp(2rem, 4vw, 3rem) 0;
    padding-block-start: 1rem;
}

.sp-disclaimer > :first-child {
    margin-block-start: 0;
}

.sp-disclaimer > :last-child {
    margin-block-end: 0;
}

.sp-featured-image {
    margin: 0 0 clamp(2rem, 5vw, 3.5rem);
}

.sp-featured-image__media {
    aspect-ratio: 16 / 9;
    border-radius: var(--sp-radius);
    display: block;
    object-fit: cover;
    width: 100%;
}

.sp-featured-image figcaption,
.wp-element-caption {
    color: var(--sp-color-muted);
    font-size: 0.85rem;
    margin-block-start: 0.5rem;
}

.sp-content-layout {
    align-items: start;
    display: grid;
    gap: var(--sp-layout-gap);
    grid-template-columns: minmax(0, var(--sp-content-width));
}

.sp-content-layout:has(.sp-toc-sidebar:not(:empty)) {
    grid-template-columns: minmax(13rem, 18rem) minmax(0, var(--sp-content-width));
}

.sp-toc-sidebar:empty {
    display: none;
}

.sp-toc-sidebar :is(.post-toc, .sp-toc) {
    max-height: calc(100vh - 7rem);
    overflow: auto;
    position: sticky;
    top: 6rem;
}

.post-toc,
.sp-toc {
    background: var(--sp-color-soft);
    border-inline-start: 4px solid var(--sp-color-accent);
    border-radius: 0 var(--sp-radius) var(--sp-radius) 0;
    margin-block-end: 2rem;
    padding: 1rem 1.25rem;
}

.post-toc > p:first-child,
.sp-toc__title {
    display: block;
    font-size: 0.85rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    margin-block-end: 0.6rem;
    text-transform: uppercase;
}

.post-toc ol,
.sp-toc ol {
    margin: 0;
    padding-inline-start: 1.25rem;
}

.post-toc li + li,
.sp-toc li + li {
    margin-block-start: 0.35rem;
}

.sp-toc__level-3 {
    margin-inline-start: 1rem;
}

.wp-block-post-content {
    min-width: 0;
}

.wp-block-post-content > :first-child {
    margin-block-start: 0;
}

.wp-block-post-content p,
.wp-block-post-content li {
    max-width: 72ch;
}

.wp-block-post-content li + li {
    margin-block-start: 0.45rem;
}

.wp-block-post-content blockquote {
    border-inline-start: 4px solid var(--sp-color-accent);
    color: var(--sp-color-muted);
    font-size: 1.15rem;
    margin-inline: 0;
    padding: 0.25rem 0 0.25rem 1.5rem;
}

.wp-block-table {
    overflow-x: auto;
}

.wp-block-table table {
    border-collapse: collapse;
    min-width: 36rem;
    width: 100%;
}

.wp-block-table th,
.wp-block-table td {
    border: 1px solid var(--sp-color-border);
    padding: 0.75rem;
    text-align: start;
}

.wp-block-table th {
    background: var(--sp-color-soft);
}

.wp-block-button__link,
button,
input[type="submit"] {
    background: var(--sp-color-accent);
    border: 1px solid var(--sp-color-accent);
    border-radius: 0.5rem;
    color: #ffffff;
    cursor: pointer;
    font-weight: 700;
    padding: 0.65rem 1rem;
}

button:hover,
input[type="submit"]:hover,
.wp-block-button__link:hover {
    background: var(--sp-color-accent-dark);
    color: #ffffff;
}

button:disabled {
    cursor: not-allowed;
    opacity: 0.5;
}

input[type="search"],
input[type="text"],
input[type="email"] {
    border: 1px solid #aab4c4;
    border-radius: 0.5rem;
    min-height: 2.75rem;
    padding: 0.55rem 0.75rem;
}

.sp-card-grid {
    display: grid;
    gap: clamp(1rem, 2.5vw, 2rem);
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 18rem), 1fr));
}

.sp-card {
    background: var(--sp-color-surface);
    border: 1px solid var(--sp-color-border);
    border-radius: var(--sp-radius);
    box-shadow: 0 0.25rem 1rem rgb(23 32 51 / 5%);
    display: flex;
    flex-direction: column;
    min-width: 0;
    overflow: hidden;
    transition: box-shadow 160ms ease, transform 160ms ease;
}

.sp-card:hover {
    box-shadow: var(--sp-shadow);
    transform: translateY(-2px);
}

.sp-card__image-link {
    background: var(--sp-color-soft);
    display: block;
}

.sp-card__image {
    aspect-ratio: 16 / 9;
    display: block;
    object-fit: cover;
    width: 100%;
}

.sp-card__body {
    display: flex;
    flex: 1;
    flex-direction: column;
    padding: 1.25rem;
}

.sp-card__title {
    font-size: 1.25rem;
    margin: 0 0 0.75rem;
}

.sp-card__title a {
    color: inherit;
    text-decoration: none;
}

.sp-card__excerpt {
    color: var(--sp-color-muted);
    display: -webkit-box;
    margin: 0;
    overflow: hidden;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
}

.sp-empty-state,
.sp-not-found {
    background: var(--sp-color-soft);
    border-radius: var(--sp-radius);
    max-width: 44rem;
    padding: clamp(1.5rem, 4vw, 3rem);
}

.sp-empty-state h2,
.sp-not-found h1 {
    margin-block-start: 0;
}

.sp-collection-more {
    display: inline-block;
    margin-block-start: 1.25rem;
}

.sp-article-collection__controls {
    display: flex;
    gap: 0.5rem;
    justify-content: flex-end;
    margin-block-end: 0.75rem;
}

.sp-article-collection__controls[hidden] {
    display: none;
}

.sp-article-collection--carousel.is-enhanced .sp-article-collection__viewport {
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    padding: 0.25rem;
    scroll-snap-type: inline mandatory;
}

.sp-article-collection--carousel.is-enhanced .sp-article-collection__track {
    grid-auto-columns: minmax(min(82vw, 18rem), 22rem);
    grid-auto-flow: column;
    grid-template-columns: none;
}

.sp-article-collection--carousel.is-enhanced .sp-card {
    scroll-snap-align: start;
}

.wp-block-query-pagination {
    align-items: center;
    margin-block-start: 2.5rem;
}

.screen-reader-text {
    clip: rect(1px, 1px, 1px, 1px);
    clip-path: inset(50%);
    height: 1px;
    overflow: hidden;
    position: absolute !important;
    white-space: nowrap;
    width: 1px;
}

.screen-reader-text:focus {
    background: #ffffff;
    clip: auto !important;
    clip-path: none;
    color: var(--sp-color-ink);
    height: auto;
    left: 1rem;
    padding: 0.75rem 1rem;
    top: 1rem;
    width: auto;
    z-index: 100000;
}

@media (max-width: 64rem) {
    .sp-content-layout,
    .sp-content-layout:has(.sp-toc-sidebar:not(:empty)) {
        grid-template-columns: minmax(0, 1fr);
    }

    .sp-toc-sidebar {
        display: none;
    }
}

@media (max-width: 48rem) {
    .admin-bar .sp-site-header {
        top: 46px;
    }

    .sp-site-header {
        position: static;
    }

    .sp-site-header__inner > nav.sp-nav-inline {
        display: none;
    }

    details.sp-nav {
        display: block;
        position: relative;
    }

    .sp-nav__toggle {
        align-items: center;
        border: 1px solid var(--sp-color-border);
        border-radius: 0.5rem;
        cursor: pointer;
        display: flex;
        height: 2.75rem;
        justify-content: center;
        list-style: none;
        position: relative;
        width: 2.75rem;
    }

    .sp-nav__toggle::-webkit-details-marker {
        display: none;
    }

    .sp-nav__toggle::before,
    .sp-nav__toggle::after {
        background: currentColor;
        content: "";
        height: 2px;
        left: 50%;
        position: absolute;
        top: 50%;
        translate: -50% -50%;
        width: 1.15rem;
    }

    .sp-nav:not([open]) > .sp-nav__toggle::before {
        box-shadow: 0 -0.35rem 0 currentColor, 0 0.35rem 0 currentColor;
    }

    .sp-nav:not([open]) > .sp-nav__toggle::after {
        content: none;
    }

    .sp-nav[open] > .sp-nav__toggle::before {
        rotate: 45deg;
    }

    .sp-nav[open] > .sp-nav__toggle::after {
        rotate: -45deg;
    }

    .sp-nav > nav {
        background: var(--sp-color-surface);
        border: 1px solid var(--sp-color-border);
        border-radius: var(--sp-radius);
        box-shadow: var(--sp-shadow);
        min-width: 13rem;
        padding: 0.5rem 0;
        position: absolute;
        right: 0;
        top: calc(100% + 0.6rem);
        z-index: 110;
    }

    .sp-nav > nav ul,
    .sp-nav > nav .menu {
        align-items: stretch;
        flex-direction: column;
        gap: 0;
    }

    .sp-nav > nav a {
        display: block;
        padding: 0.55rem 1.1rem;
    }

    /* Header senza il pattern hamburger: layout in colonna con riga scrollabile. */
    .sp-site-header__inner:not(:has(details.sp-nav)) {
        align-items: flex-start;
        flex-direction: column;
        gap: 0.75rem;
    }

    .sp-site-header__inner:not(:has(details.sp-nav)) nav {
        max-width: 100%;
        overflow-x: auto;
    }

    .sp-site-header__inner:not(:has(details.sp-nav)) nav ul,
    .sp-site-header__inner:not(:has(details.sp-nav)) .menu {
        flex-wrap: nowrap;
        padding-block-end: 0.35rem;
        white-space: nowrap;
    }

    .sp-main {
        width: min(calc(100% - 1.25rem), var(--sp-shell-width));
    }
}

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

@media print {
    .sp-site-header,
    .sp-site-footer,
    .sp-toc-sidebar,
    .sp-breadcrumb {
        display: none;
    }

    .sp-main,
    .sp-content-layout {
        display: block;
        max-width: none;
        width: 100%;
    }
}