/* ============================================
   PURE - Tema Moderno e Pulito
   Versione 1.0.0
   ============================================ */

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

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

body {
    font-family: var(--font), -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #1a1a1a;
    background-color: #ffffff;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    max-width: 100vw;
}

/* ============================================
   VARIABILI CSS
   ============================================ */
:root {
    --primary: #2563eb;
    --secondary: #64748b;
    --font: 'Inter';
    
    /* Palette */
    --black: #0f0f0f;
    --dark: #1a1a1a;
    --gray-900: #262626;
    --gray-700: #404040;
    --gray-500: #737373;
    --gray-400: #a3a3a3;
    --gray-300: #d4d4d4;
    --gray-200: #e5e5e5;
    --gray-100: #f5f5f5;
    --gray-50: #fafafa;
    --white: #ffffff;
    
    /* Spaziature */
    --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;
    --space-20: 5rem;
    --space-24: 6rem;
    
    /* Bordi */
    --radius: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    
    /* Ombre */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
}

/* ============================================
   TIPOGRAFIA
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.25;
    color: var(--dark);
    letter-spacing: -0.025em;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: var(--space-4);
    color: var(--gray-700);
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

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

/* ============================================
   HEADER
   ============================================ */
.site-header {
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(8px);
    background-color: rgba(255, 255, 255, 0.95);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-4) var(--space-6);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.site-branding {
    display: flex;
    flex-direction: column;
}

.site-title {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.site-title a {
    color: var(--dark);
}

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

.site-tagline {
    font-size: 0.875rem;
    color: var(--gray-500);
    margin-top: var(--space-1);
}

/* Navigazione */
.main-nav {
    display: flex;
    align-items: center;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--space-8);
}

.nav-menu a {
    color: var(--gray-700);
    font-size: 0.9375rem;
    font-weight: 500;
    padding: var(--space-2) 0;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.2s ease;
}

.nav-menu a:hover {
    color: var(--dark);
}

.nav-menu a:hover::after {
    width: 100%;
}

/* ============================================
   HERO
   ============================================ */
.hero-section {
    position: relative;
    padding: var(--space-24) var(--space-6);
    text-align: center;
    background-image: url('assets/hero-bg.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(15, 15, 15, 0.75) 0%, rgba(26, 26, 26, 0.6) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 680px;
    margin: 0 auto;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: var(--space-6);
    letter-spacing: -0.03em;
    line-height: 1.1;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
    max-width: 560px;
    margin: 0 auto;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
}

/* ============================================
   CONTENUTO
   ============================================ */
.main-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-16) var(--space-6);
    overflow-x: hidden;
    width: 100%;
}

.content-grid {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: var(--space-16);
    max-width: 100%;
    overflow: hidden;
}

/* ============================================
   ARTICOLI
   ============================================ */
.section-header {
    margin-bottom: var(--space-8);
}

.section-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Card Articolo */
.article-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    margin-bottom: var(--space-10);
    transition: all 0.3s ease;
}

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

.article-image {
    width: 100%;
    height: 320px;
    object-fit: cover;
    display: block;
}

.article-image-placeholder {
    width: 100%;
    height: 320px;
    background: linear-gradient(135deg, var(--gray-100) 0%, var(--gray-200) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-400);
    font-size: 3rem;
}

.article-content {
    padding: var(--space-8);
}

.article-meta {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
    font-size: 0.875rem;
}

.article-category {
    background: var(--gray-100);
    color: var(--gray-700);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius);
    font-size: 0.8125rem;
    font-weight: 500;
}

.article-date {
    color: var(--gray-500);
}

.article-title {
    font-size: 1.75rem;
    margin-bottom: var(--space-4);
    line-height: 1.3;
}

.article-title a {
    color: var(--dark);
}

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

.article-excerpt {
    color: var(--gray-600);
    line-height: 1.7;
    margin-bottom: var(--space-6);
    font-size: 1.0625rem;
}

.read-more {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--primary);
    font-weight: 600;
    font-size: 0.9375rem;
}

.read-more:hover {
    gap: var(--space-3);
}

.read-more::after {
    content: '→';
    transition: transform 0.2s ease;
}

/* ============================================
   SIDEBAR
   ============================================ */
.sidebar {
    position: sticky;
    top: calc(80px + var(--space-8));
    height: fit-content;
}

.widget {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    margin-bottom: var(--space-6);
    border: 1px solid var(--gray-200);
}

.widget-title {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gray-500);
    margin-bottom: var(--space-4);
}

/* Categorie */
.category-list {
    list-style: none;
}

.category-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-3) 0;
    border-bottom: 1px solid var(--gray-100);
}

.category-list li:last-child {
    border-bottom: none;
}

.category-list a {
    color: var(--gray-700);
    font-size: 0.9375rem;
}

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

.category-count {
    background: var(--gray-100);
    color: var(--gray-500);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius);
    font-size: 0.75rem;
    font-weight: 600;
    min-width: 28px;
    text-align: center;
}

/* About Widget */
.widget-about p {
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--gray-600);
    margin-bottom: 0;
}

/* ============================================
   PAGINAZIONE
   ============================================ */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-2);
    margin-top: var(--space-12);
    padding-top: var(--space-8);
    border-top: 1px solid var(--gray-200);
}

.pagination-link {
    padding: var(--space-3) var(--space-4);
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    color: var(--gray-700);
    font-weight: 500;
    font-size: 0.9375rem;
    transition: all 0.2s ease;
}

.pagination-link:hover {
    background: var(--gray-50);
    border-color: var(--gray-300);
    color: var(--dark);
}

.pagination-current {
    padding: var(--space-3) var(--space-4);
    background: var(--dark);
    color: var(--white);
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 0.9375rem;
}

.pagination-info {
    color: var(--gray-500);
    font-size: 0.875rem;
    margin-right: var(--space-4);
}

/* ============================================
   SINGOLO ARTICOLO
   ============================================ */
.single-article {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--space-12);
}

.single-header {
    margin-bottom: var(--space-10);
    padding-bottom: var(--space-8);
    border-bottom: 1px solid var(--gray-200);
}

.single-title {
    font-size: 2.5rem;
    margin-bottom: var(--space-6);
    line-height: 1.2;
}

.single-meta {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    color: var(--gray-500);
    font-size: 0.9375rem;
}

.single-author {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-weight: 500;
    color: var(--gray-700);
}

.single-content {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--gray-700);
    overflow-wrap: break-word;
    word-break: break-word;
    max-width: 100%;
    overflow-x: hidden;
    width: 100%;
}

.single-content * {
    max-width: 100% !important;
    box-sizing: border-box !important;
    overflow-wrap: break-word;
    word-break: break-word;
}

/* Reset classi AI/Tailwind/Claude incollate nel contenuto */
.single-content [class*="font-claude"],
.single-content [class*="break-words"],
.single-content [class*="whitespace-"],
.single-content [class*="leading-"],
.single-content [class*="tracking-"],
.single-content [class*="text-base"],
.single-content [class*="prose"],
.single-content .font-sans,
.single-content .font-serif,
.single-content .font-mono {
    all: unset !important;
    display: block !important;
    max-width: 100% !important;
    font-family: inherit !important;
    font-size: inherit !important;
    line-height: inherit !important;
    color: inherit !important;
    overflow-wrap: break-word !important;
    word-break: break-word !important;
}

.single-content p[class],
.single-content div[class] {
    white-space: normal !important;
    word-wrap: break-word !important;
}

.single-content h2 {
    font-size: 1.875rem;
    margin-top: var(--space-12);
    margin-bottom: var(--space-6);
}

.single-content h3 {
    font-size: 1.5rem;
    margin-top: var(--space-10);
    margin-bottom: var(--space-4);
}

.single-content p {
    margin-bottom: var(--space-6);
}

.single-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    margin: var(--space-8) 0;
}

.single-content blockquote {
    border-left: 4px solid var(--primary);
    padding-left: var(--space-6);
    margin: var(--space-8) 0;
    font-style: italic;
    color: var(--gray-600);
}

.single-content ul,
.single-content ol {
    margin-bottom: var(--space-6);
    padding-left: var(--space-6);
}

.single-content li {
    margin-bottom: var(--space-2);
}

.single-content code {
    background: var(--gray-100);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius);
    font-family: 'Monaco', 'Consolas', monospace;
    font-size: 0.875em;
}

.single-content pre {
    background: var(--gray-900);
    color: var(--gray-100);
    padding: var(--space-6);
    border-radius: var(--radius-lg);
    overflow-x: auto;
    margin: var(--space-6) 0;
}

.single-content pre code {
    background: transparent;
    padding: 0;
}

/* Articoli Correlati */
.related-articles {
    margin-top: var(--space-16);
    padding-top: var(--space-10);
    border-top: 1px solid var(--gray-200);
}

.related-title {
    font-size: 1.25rem;
    margin-bottom: var(--space-6);
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.related-card {
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    transition: all 0.2s ease;
}

.related-card:hover {
    background: var(--gray-100);
}

.related-card-title {
    font-size: 1rem;
    margin-bottom: var(--space-2);
    line-height: 1.4;
}

.related-card-title a {
    color: var(--dark);
}

.related-card-title a:hover {
    color: var(--primary);
}

.related-card-date {
    font-size: 0.8125rem;
    color: var(--gray-500);
}

/* ============================================
   LANDING PAGE
   ============================================ */
.page-content {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--space-12);
}

.page-title {
    font-size: 2.5rem;
    margin-bottom: var(--space-8);
    padding-bottom: var(--space-6);
    border-bottom: 1px solid var(--gray-200);
}

/* ============================================
   PAGINA ERRORE
   ============================================ */
.error-page {
    text-align: center;
    padding: var(--space-24) var(--space-6);
    max-width: 500px;
    margin: 0 auto;
}

.error-code {
    font-size: 6rem;
    font-weight: 700;
    color: var(--gray-200);
    line-height: 1;
    margin-bottom: var(--space-4);
}

.error-title {
    font-size: 1.5rem;
    margin-bottom: var(--space-4);
    color: var(--dark);
}

.error-message {
    font-size: 1.0625rem;
    color: var(--gray-500);
    margin-bottom: var(--space-8);
}

.error-link {
    display: inline-block;
    padding: var(--space-3) var(--space-8);
    background: var(--dark);
    color: var(--white);
    border-radius: var(--radius);
    font-weight: 600;
    transition: all 0.2s ease;
}

.error-link:hover {
    background: var(--black);
    color: var(--white);
    transform: translateY(-2px);
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
    background: var(--gray-50);
    border-top: 1px solid var(--gray-200);
    padding: var(--space-16) 0 var(--space-8);
    margin-top: var(--space-16);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--space-12);
    margin-bottom: var(--space-12);
}

.footer-section h4 {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gray-500);
    margin-bottom: var(--space-4);
}

.footer-section p {
    color: var(--gray-600);
    line-height: 1.7;
    font-size: 0.9375rem;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--space-2);
}

.footer-links a {
    color: var(--gray-600);
    font-size: 0.9375rem;
}

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

.footer-bottom {
    border-top: 1px solid var(--gray-200);
    padding-top: var(--space-8);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-4);
}

.footer-copyright {
    color: var(--gray-500);
    font-size: 0.875rem;
    margin-bottom: 0;
}

.footer-social {
    display: flex;
    gap: var(--space-3);
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-500);
    transition: all 0.2s ease;
}

.footer-social a:hover {
    background: var(--dark);
    border-color: var(--dark);
    color: var(--white);
    transform: translateY(-2px);
}

/* ============================================
   STATI
   ============================================ */
.no-articles {
    text-align: center;
    padding: var(--space-20) var(--space-6);
    color: var(--gray-500);
}

.no-articles-icon {
    font-size: 4rem;
    margin-bottom: var(--space-4);
    opacity: 0.3;
}

.no-articles-text {
    font-size: 1.125rem;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .content-grid {
        grid-template-columns: 1fr;
        gap: var(--space-10);
    }
    
    .sidebar {
        position: static;
        margin-top: var(--space-10);
    }
    
    .related-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    html, body {
        overflow-x: hidden !important;
        width: 100% !important;
        max-width: 100vw !important;
    }

    .main-content,
    .content-grid,
    .single-article,
    .single-content,
    .page-content,
    .hero-section {
        max-width: 100vw !important;
        overflow-x: hidden !important;
        width: 100% !important;
    }

    .single-content img,
    .single-content iframe,
    .single-content video,
    .single-content table,
    .single-content pre {
        max-width: 100% !important;
        width: auto !important;
        height: auto !important;
    }

    .single-content blockquote {
        margin-left: 0 !important;
        margin-right: 0 !important;
        padding: var(--space-4) !important;
        max-width: 100% !important;
    }

    .header-container {
        flex-direction: column;
        gap: var(--space-4);
        padding: var(--space-4);
    }

    .nav-menu {
        flex-wrap: wrap;
        justify-content: center;
        gap: var(--space-4);
    }
    
    .hero-title {
        font-size: 2.25rem;
    }
    
    .hero-subtitle {
        font-size: 1.0625rem;
    }
    
    .single-title {
        font-size: 1.875rem;
    }
    
    .single-article {
        padding: var(--space-6);
    }
    
    .related-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .article-image,
    .article-image-placeholder {
        height: 220px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.875rem;
    }
    
    .article-title {
        font-size: 1.375rem;
    }
    
    .single-title {
        font-size: 1.5rem;
    }
    
    .error-code {
        font-size: 4rem;
    }
}

/* ============================================
   ACCESSIBILITÀ
   ============================================ */
a:focus-visible,
button:focus-visible,
input:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* ============================================
   STAMPA
   ============================================ */
@media print {
    .site-header,
    .sidebar,
    .site-footer,
    .pagination {
        display: none;
    }
    
    .main-content {
        max-width: 100%;
        padding: 0;
    }
    
    .single-article {
        box-shadow: none;
        padding: 0;
    }
}