/* ============================================
   Yarnie.it — Intrecciamo fili, costruiamo senso
   Design editoriale caldo, naturale, artigianale
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,500;0,600;0,700;1,400&family=Lora:ital,wght@0,400;0,500;0,600;0,700;1,400&family=DM+Sans:ital,wght@0,400;0,500;0,600;0,700;1,400&display=swap');

/* === CSS Variables === */
:root {
    --bianco: #FFFCF8;
    --grigio-carta: #F5F0EA;
    --antracite: #2C2520;
    --nero: #1A1510;
    --primario: #8B6B4A;
    --primario-scuro: #6B4F33;
    --accento: #B5845A;
    --salvia: #7A8B6F;
    --terracotta: #C47B5A;
    --grigio-medio: #7A7068;
    --grigio-bordi: #E8E0D8;
    --grigio-chiaro: #F0EBE5;
    --ombra-card: 0 1px 4px rgba(44,37,32,0.06);
    --ombra-hover: 0 8px 28px rgba(44,37,32,0.1);
    --max-width: 1240px;
    --gutter: 24px;
    --transizione: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font-titoli: 'Playfair Display', Georgia, serif;
    --font-corpo: 'Lora', Georgia, serif;
    --font-ui: 'DM Sans', sans-serif;
}

/* Dark mode */
@media (prefers-color-scheme: dark) {
    :root {
        --bianco: #1A1510;
        --grigio-carta: #221D17;
        --antracite: #E8E0D8;
        --nero: #F5F0EA;
        --grigio-medio: #9B9088;
        --grigio-bordi: #3A3228;
        --grigio-chiaro: #2A2420;
        --ombra-card: 0 1px 4px rgba(0,0,0,0.3);
        --ombra-hover: 0 8px 28px rgba(0,0,0,0.4);
    }
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-corpo);
    color: var(--antracite);
    background: var(--bianco);
    line-height: 1.7;
    overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }

/* === Reading Progress Bar === */
.progress-bar {
    position: fixed; top: 0; left: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primario), var(--accento));
    z-index: 9999;
    transition: width 0.1s linear;
    width: 0%;
}

/* === Header / Nav === */
.site-header {
    background: var(--bianco);
    border-bottom: 1px solid var(--grigio-bordi);
    position: sticky;
    top: -1px;
    z-index: 1000;
    transition: transform var(--transizione), box-shadow var(--transizione);
}
.site-header.scrolled {
    box-shadow: 0 2px 16px rgba(44,37,32,0.06);
}
.header-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--gutter);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

/* Logo */
.logo {
    display: flex;
    align-items: baseline;
    gap: 0;
    font-family: var(--font-titoli);
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    color: var(--nero);
    white-space: nowrap;
}
.logo .accent {
    color: var(--primario);
    font-style: italic;
    font-weight: 500;
}
.logo .divider {
    display: inline-block;
    width: 2px;
    height: 20px;
    background: var(--accento);
    margin: 0 8px;
    vertical-align: middle;
    border-radius: 1px;
    opacity: 0.6;
}

/* Nav */
.main-nav {
    display: flex;
    gap: 4px;
    align-items: center;
}
.main-nav a {
    font-family: var(--font-ui);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.03em;
    color: var(--grigio-medio);
    padding: 8px 16px;
    border-radius: 6px;
    transition: all var(--transizione);
    position: relative;
}
.main-nav a:hover,
.main-nav a.active {
    color: var(--primario);
    background: rgba(139, 107, 74, 0.06);
}
.main-nav a.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 16px; right: 16px;
    height: 2px;
    background: var(--primario);
    border-radius: 1px;
}

/* Search icon */
.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}
.search-toggle, .mobile-toggle {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--antracite);
    padding: 8px;
    border-radius: 50%;
    transition: background var(--transizione);
    display: flex;
    align-items: center;
}
.search-toggle:hover, .mobile-toggle:hover {
    background: var(--grigio-chiaro);
}
.mobile-toggle { display: none; }

/* Search overlay */
.search-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(26,21,16,0.88);
    z-index: 9998;
    display: none;
    align-items: flex-start;
    justify-content: center;
    padding-top: 20vh;
    backdrop-filter: blur(8px);
}
.search-overlay.open { display: flex; }
.search-overlay input {
    font-family: var(--font-titoli);
    font-size: 2.2rem;
    font-weight: 400;
    font-style: italic;
    background: none;
    border: none;
    border-bottom: 2px solid rgba(255,255,255,0.25);
    color: white;
    width: 60%;
    max-width: 600px;
    padding: 16px 0;
    outline: none;
    text-align: center;
}
.search-overlay input::placeholder {
    color: rgba(255,255,255,0.35);
}
.search-results-live {
    position: absolute;
    top: calc(20vh + 80px);
    width: 60%;
    max-width: 600px;
    max-height: 40vh;
    overflow-y: auto;
}
.search-results-live a {
    display: block;
    padding: 14px 0;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    color: white;
    font-family: var(--font-ui);
    transition: padding-left var(--transizione);
}
.search-results-live a:hover {
    padding-left: 12px;
    color: var(--accento);
}
.search-results-live .sr-cat {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--accento);
    margin-bottom: 4px;
}
.search-results-live .sr-title {
    font-family: var(--font-titoli);
    font-size: 1.1rem;
}

/* === HERO === */
.hero-section {
    position: relative;
    height: 60vh;
    min-height: 420px;
    max-height: 680px;
    overflow: hidden;
    background: var(--nero);
}
.hero-section img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.65;
    transition: transform 10s ease;
}
.hero-section:hover img {
    transform: scale(1.03);
}
.hero-overlay {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    padding: 60px var(--gutter) 48px;
    background: linear-gradient(to top, rgba(26,21,16,0.9) 0%, rgba(26,21,16,0.45) 55%, transparent 100%);
}
.hero-content {
    max-width: var(--max-width);
    margin: 0 auto;
}
.hero-badge {
    display: inline-block;
    font-family: var(--font-ui);
    font-size: 0.62rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: white;
    background: var(--primario);
    padding: 4px 14px;
    border-radius: 3px;
    margin-bottom: 16px;
}
.hero-title {
    font-family: var(--font-titoli);
    font-size: clamp(2rem, 4.5vw, 3rem);
    font-weight: 700;
    line-height: 1.12;
    color: white;
    max-width: 700px;
    margin-bottom: 14px;
    letter-spacing: -0.01em;
}
.hero-excerpt {
    font-family: var(--font-corpo);
    font-size: 1.05rem;
    color: rgba(255,255,255,0.75);
    max-width: 540px;
    line-height: 1.55;
    margin-bottom: 14px;
    font-style: italic;
}
.hero-meta {
    font-family: var(--font-ui);
    font-size: 0.72rem;
    color: rgba(255,255,255,0.45);
    letter-spacing: 0.06em;
}

/* === Content Grid === */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--gutter);
}

.section-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 28px;
    padding-top: 48px;
    border-top: 2px solid var(--nero);
}
.section-title {
    font-family: var(--font-titoli);
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--nero);
    font-style: italic;
}
.section-link {
    font-family: var(--font-ui);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--primario);
    letter-spacing: 0.04em;
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-bottom: 64px;
}

/* === Article Card === */
.article-card {
    display: flex;
    flex-direction: column;
    transition: transform var(--transizione);
}
.article-card:hover {
    transform: translateY(-3px);
}
.card-image {
    position: relative;
    aspect-ratio: 16/10;
    overflow: hidden;
    border-radius: 6px;
    margin-bottom: 14px;
    background: var(--grigio-chiaro);
}
.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transizione);
}
.article-card:hover .card-image img {
    transform: scale(1.04);
}
.card-badge {
    position: absolute;
    bottom: 10px; left: 10px;
    font-family: var(--font-ui);
    font-size: 0.58rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: white;
    padding: 3px 10px;
    border-radius: 3px;
}
.card-title {
    font-family: var(--font-titoli);
    font-size: 1.15rem;
    font-weight: 600;
    line-height: 1.25;
    color: var(--nero);
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.card-excerpt {
    font-family: var(--font-corpo);
    font-size: 0.88rem;
    color: var(--grigio-medio);
    line-height: 1.55;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 12px;
    flex-grow: 1;
}
.card-meta {
    font-family: var(--font-ui);
    font-size: 0.68rem;
    color: var(--grigio-medio);
    letter-spacing: 0.04em;
}
.card-meta .dot {
    margin: 0 6px;
    opacity: 0.4;
}

/* No image placeholder */
.card-image.no-img {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--grigio-chiaro), var(--grigio-bordi));
}
.card-image.no-img::after {
    content: 'Y';
    font-family: var(--font-titoli);
    font-size: 2.5rem;
    font-weight: 700;
    font-style: italic;
    color: var(--grigio-bordi);
}

/* === Article Page === */
.article-page {
    padding-bottom: 80px;
}
.article-header {
    max-width: 760px;
    margin: 0 auto;
    padding: 48px var(--gutter) 0;
    text-align: center;
}
.article-header .hero-badge {
    margin-bottom: 20px;
}
.article-page h1 {
    font-family: var(--font-titoli);
    font-size: clamp(2rem, 4vw, 2.6rem);
    font-weight: 700;
    line-height: 1.15;
    color: var(--nero);
    margin-bottom: 16px;
}
.article-subtitle {
    font-family: var(--font-corpo);
    font-size: 1.15rem;
    font-style: italic;
    color: var(--grigio-medio);
    margin-bottom: 24px;
    line-height: 1.45;
}
.article-meta-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    font-family: var(--font-ui);
    font-size: 0.72rem;
    color: var(--grigio-medio);
    letter-spacing: 0.04em;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--grigio-bordi);
    margin-bottom: 40px;
}
.article-cover {
    width: 100%;
    max-height: 480px;
    object-fit: cover;
    margin-bottom: 40px;
    border-radius: 6px;
}
.article-body {
    max-width: 660px;
    margin: 0 auto;
    padding: 0 var(--gutter);
}
.article-body p {
    font-family: var(--font-corpo);
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--antracite);
    margin-bottom: 1.5em;
}
.article-body h2 {
    font-family: var(--font-titoli);
    font-size: 1.45rem;
    font-weight: 600;
    color: var(--nero);
    margin: 2em 0 0.8em;
    font-style: italic;
}
.article-body blockquote {
    border-left: 3px solid var(--accento);
    margin: 2em 0;
    padding: 0 0 0 24px;
    font-family: var(--font-corpo);
    font-size: 1.2rem;
    font-style: italic;
    color: var(--nero);
    line-height: 1.65;
}
.article-body ul, .article-body ol {
    margin: 1em 0 1.5em 1.5em;
    font-family: var(--font-corpo);
    font-size: 1.1rem;
    line-height: 1.8;
}
.article-body li { margin-bottom: 0.5em; }
.article-body img {
    width: 100%;
    border-radius: 6px;
    margin: 2em 0;
}

.ai-disclaimer {
    font-family: var(--font-ui);
    font-size: 0.72rem;
    color: var(--grigio-medio);
    text-align: center;
    padding: 16px;
    margin-top: 40px;
    border-top: 1px solid var(--grigio-bordi);
    letter-spacing: 0.04em;
}

/* Articoli correlati */
.related-section {
    max-width: var(--max-width);
    margin: 64px auto 0;
    padding: 0 var(--gutter);
}

/* === Category Page === */
.category-header {
    padding: 48px 0 32px;
    border-bottom: 2px solid var(--nero);
    margin-bottom: 40px;
}
.category-header h1 {
    font-family: var(--font-titoli);
    font-size: 2rem;
    font-weight: 700;
    color: var(--nero);
    font-style: italic;
}
.category-header p {
    font-family: var(--font-corpo);
    font-size: 1rem;
    color: var(--grigio-medio);
    margin-top: 8px;
}

/* === Footer === */
.site-footer {
    background: var(--nero);
    color: rgba(255,255,255,0.55);
    padding: 64px 0 32px;
    margin-top: 80px;
}
.footer-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--gutter);
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
}
.footer-brand .logo {
    color: white;
    margin-bottom: 16px;
    font-size: 1.5rem;
}
.footer-brand p {
    font-family: var(--font-ui);
    font-size: 0.85rem;
    line-height: 1.6;
    max-width: 300px;
}
.footer-col h4 {
    font-family: var(--font-titoli);
    font-size: 0.9rem;
    font-weight: 600;
    font-style: italic;
    color: white;
    margin-bottom: 18px;
}
.footer-col a {
    display: block;
    font-family: var(--font-ui);
    font-size: 0.8rem;
    color: rgba(255,255,255,0.45);
    padding: 5px 0;
    transition: color var(--transizione);
}
.footer-col a:hover { color: var(--accento); }

/* Newsletter form */
.newsletter-form {
    display: flex;
    gap: 0;
    margin-top: 12px;
}
.newsletter-form input {
    flex: 1;
    font-family: var(--font-ui);
    font-size: 0.8rem;
    padding: 10px 14px;
    border: 1px solid rgba(255,255,255,0.15);
    background: rgba(255,255,255,0.04);
    color: white;
    border-radius: 4px 0 0 4px;
    outline: none;
}
.newsletter-form button {
    font-family: var(--font-ui);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    background: var(--primario);
    color: white;
    border: none;
    padding: 10px 18px;
    border-radius: 0 4px 4px 0;
    cursor: pointer;
    transition: background var(--transizione);
}
.newsletter-form button:hover { background: var(--primario-scuro); }

.footer-bottom {
    max-width: var(--max-width);
    margin: 48px auto 0;
    padding: 24px var(--gutter) 0;
    border-top: 1px solid rgba(255,255,255,0.08);
    font-family: var(--font-ui);
    font-size: 0.7rem;
    display: flex;
    justify-content: space-between;
    color: rgba(255,255,255,0.25);
}

/* === Empty states === */
.empty-state {
    text-align: center;
    padding: 80px 20px;
    color: var(--grigio-medio);
}
.empty-state h2 {
    font-family: var(--font-titoli);
    font-size: 2rem;
    color: var(--nero);
    margin-bottom: 12px;
}

/* === 404 === */
.page-404 h1 {
    font-family: var(--font-titoli);
    font-size: 6rem;
    font-weight: 700;
    color: var(--primario);
    text-align: center;
    margin-top: 80px;
    font-style: italic;
}
.page-404 p {
    text-align: center;
    font-size: 1.1rem;
    color: var(--grigio-medio);
    margin-bottom: 40px;
}

/* === Search Results === */
.search-page h1 {
    font-family: var(--font-titoli);
    font-size: 1.8rem;
    margin: 40px 0 32px;
    font-style: italic;
}

/* === Responsive === */
@media (max-width: 1024px) {
    .articles-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
    .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    :root { --gutter: 16px; }
    .main-nav { display: none; }
    .mobile-toggle { display: flex; }
    .hero-section { height: 50vh; min-height: 340px; }
    .hero-title { font-size: 1.8rem; }
    .articles-grid { grid-template-columns: 1fr; gap: 32px; }
    .footer-inner { grid-template-columns: 1fr; gap: 32px; }
    .article-page h1 { font-size: 1.8rem; }
    .article-body p { font-size: 1rem; }
    .header-inner { height: 60px; }

    /* Mobile nav */
    .mobile-nav {
        position: fixed;
        top: 0; right: -100%; bottom: 0;
        width: 280px;
        background: var(--bianco);
        z-index: 9997;
        padding: 80px 24px 24px;
        transition: right var(--transizione);
        box-shadow: -4px 0 20px rgba(0,0,0,0.1);
    }
    .mobile-nav.open { right: 0; }
    .mobile-nav a {
        display: block;
        font-family: var(--font-titoli);
        font-size: 1.3rem;
        padding: 12px 0;
        border-bottom: 1px solid var(--grigio-bordi);
        font-style: italic;
    }
    .mobile-overlay {
        display: none;
        position: fixed;
        top: 0; left: 0; right: 0; bottom: 0;
        background: rgba(0,0,0,0.4);
        z-index: 9996;
    }
    .mobile-overlay.open { display: block; }
}