/**
 * Blog Article Shared Styles
 * v1.0.0 - 2026-01-30
 *
 * Used by all blog articles on bonusimmobiliare.it
 * Design System: Warm Editorial Aesthetic
 */

/* ==========================================================================
   CSS Variables
   ========================================================================== */

:root {
    /* Colors - Olive Palette */
    --olive: #5C6B4A;
    --olive-deep: #3D4832;
    --olive-dark: #2A3223;
    --olive-light: #7A8A68;

    /* Colors - Sage Palette */
    --sage: #8A9A78;
    --sage-pale: #D4DEC9;
    --sage-mist: #E8EEE0;

    /* Colors - Neutral Palette */
    --cream: #FAF7F2;
    --cream-dark: #F2EDE4;
    --parchment: #EDE7DB;
    --stone: #DAD7CD;
    --earth: #8B8178;
    --bark: #4A3F35;

    /* Colors - Accent Palette */
    --terracotta: #F06543;
    --terracotta-light: #F4846A;
    --terracotta-pale: #F5E6DF;
    --gold: #BFA67A;
    --gold-light: #D4C4A0;
    --gold-pale: #F5F0E5;

    /* Typography */
    --font-display: 'Fraunces', Georgia, serif;
    --font-body: 'Source Serif 4', Georgia, serif;

    /* 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;

    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-soft: 0 2px 20px rgba(74, 63, 53, 0.06);
    --shadow-medium: 0 4px 30px rgba(74, 63, 53, 0.1);

    /* Transitions */
    --transition-base: 0.3s ease;
}

/* ==========================================================================
   Base Styles
   ========================================================================== */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--cream);
    color: var(--bark);
    line-height: 1.8;
    font-size: 1.0625rem;
    -webkit-font-smoothing: antialiased;
}

/* Paper texture overlay */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    opacity: 0.025;
    z-index: 10000;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

a {
    color: var(--terracotta);
    text-decoration: none;
    transition: var(--transition-base);
}

a:hover {
    color: var(--terracotta-light);
}

/* ==========================================================================
   Header
   ========================================================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-md) var(--space-2xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(250, 247, 242, 0.97);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-soft);
}

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

.logo-icon {
    height: 34px;
    width: auto;
}

.logo-text {
    height: 22px;
    width: auto;
}

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

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--bark);
}

.nav-link:hover {
    color: var(--terracotta);
}

.nav-cta {
    background: var(--terracotta);
    color: var(--cream);
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.8rem;
}

.nav-cta:hover {
    background: var(--terracotta-light);
    color: var(--cream);
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-sm);
}

.menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--bark);
    border-radius: var(--radius-full);
    transition: var(--transition-base);
}

/* Mobile Menu Overlay */
.mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--olive-deep);
    z-index: 999;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--space-xl);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.mobile-menu.active {
    opacity: 1;
    visibility: visible;
}

.mobile-menu a {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--cream);
    font-weight: 500;
}

.mobile-menu a:hover {
    color: var(--gold);
}

.mobile-menu-close {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    background: none;
    border: none;
    color: var(--cream);
    font-size: 2rem;
    cursor: pointer;
    padding: var(--space-sm);
}

/* ==========================================================================
   Article Hero
   ========================================================================== */

.article-hero {
    padding: 7rem var(--space-2xl) var(--space-2xl);
    background: linear-gradient(165deg, var(--olive-deep) 0%, var(--olive) 100%);
    position: relative;
}

.article-hero::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -10%;
    width: 50%;
    height: 100%;
    background: radial-gradient(ellipse, rgba(191, 166, 122, 0.12) 0%, transparent 60%);
    pointer-events: none;
}

.hero-inner {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.85rem;
    color: rgba(250, 247, 242, 0.7);
    margin-bottom: var(--space-lg);
}

.breadcrumb a {
    color: rgba(250, 247, 242, 0.7);
}

.breadcrumb a:hover {
    color: var(--cream);
}

.breadcrumb span {
    opacity: 0.5;
}

.article-category {
    display: inline-block;
    background: var(--gold);
    color: var(--olive-dark);
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-md);
}

.article-hero h1 {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    font-weight: 500;
    color: var(--cream);
    line-height: 1.2;
    margin-bottom: var(--space-lg);
}

.article-meta {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    font-size: 0.9rem;
    color: rgba(250, 247, 242, 0.8);
}

.article-meta span {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.article-meta svg {
    width: 16px;
    height: 16px;
    opacity: 0.7;
}

/* ==========================================================================
   Article Layout
   ========================================================================== */

.article-layout {
    display: grid;
    grid-template-columns: 220px 1fr 280px;
    gap: var(--space-2xl);
    max-width: 1300px;
    margin: 0 auto;
    padding: var(--space-3xl) var(--space-xl);
}

/* ==========================================================================
   Sidebar TOC (Left)
   ========================================================================== */

.sidebar-toc {
    position: sticky;
    top: 100px;
    height: fit-content;
}

.toc-title {
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--olive-deep);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-sm);
    border-bottom: 2px solid var(--sage-pale);
}

.toc-list {
    list-style: none;
    max-height: 60vh;
    overflow-y: auto;
}

.toc-list li {
    margin-bottom: var(--space-sm);
}

.toc-list a {
    display: block;
    font-size: 0.85rem;
    color: var(--earth);
    padding: var(--space-xs) 0;
    border-left: 2px solid transparent;
    padding-left: var(--space-md);
    transition: var(--transition-base);
}

.toc-list a:hover,
.toc-list a.active {
    color: var(--olive-deep);
    border-left-color: var(--terracotta);
}

/* ==========================================================================
   Article Content
   ========================================================================== */

.article-content {
    max-width: 720px;
}

.article-content h2 {
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: 500;
    color: var(--olive-deep);
    margin: var(--space-2xl) 0 var(--space-md);
    padding-top: var(--space-md);
}

.article-content h2:first-child {
    margin-top: 0;
}

.article-content h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--olive-deep);
    margin: var(--space-xl) 0 var(--space-md);
}

.article-content p {
    margin-bottom: var(--space-lg);
    color: var(--bark);
}

.article-content ul,
.article-content ol {
    margin-bottom: var(--space-lg);
    padding-left: var(--space-xl);
}

.article-content li {
    margin-bottom: var(--space-sm);
}

.article-content strong {
    font-weight: 600;
    color: var(--olive-deep);
}

.article-content blockquote {
    margin: var(--space-xl) 0;
    padding: var(--space-lg);
    background: var(--sage-mist);
    border-left: 4px solid var(--olive);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    font-style: italic;
}

.article-content blockquote p {
    margin-bottom: 0;
}

/* ==========================================================================
   Info Box
   ========================================================================== */

.info-box {
    background: var(--gold-pale);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    margin: var(--space-xl) 0;
}

.info-box-title {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    color: var(--olive-deep);
    margin-bottom: var(--space-sm);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.info-box-title svg {
    width: 20px;
    height: 20px;
    color: var(--gold);
}

.info-box p {
    margin-bottom: 0;
    font-size: 0.95rem;
}

/* ==========================================================================
   Map CTA Box
   ========================================================================== */

.map-cta-box {
    background: linear-gradient(145deg, var(--olive-deep) 0%, var(--olive) 100%);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    margin: var(--space-2xl) 0;
    text-align: center;
    color: var(--cream);
}

.map-cta-box h3 {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 500;
    margin-bottom: var(--space-sm);
    color: var(--cream);
}

.map-cta-box p {
    color: rgba(250, 247, 242, 0.85);
    margin-bottom: var(--space-lg);
}

.map-cta-btn {
    display: inline-block;
    background: var(--terracotta);
    color: var(--cream);
    padding: var(--space-md) var(--space-2xl);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition-base);
}

.map-cta-btn:hover {
    background: var(--terracotta-light);
    color: var(--cream);
    transform: translateY(-2px);
}

/* ==========================================================================
   Comparison Table
   ========================================================================== */

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--space-xl) 0;
    font-size: 0.95rem;
}

.comparison-table th,
.comparison-table td {
    padding: var(--space-md);
    text-align: left;
    border-bottom: 1px solid var(--cream-dark);
}

.comparison-table th {
    background: var(--sage-mist);
    font-family: var(--font-display);
    font-weight: 600;
    color: var(--olive-deep);
}

.comparison-table tr:hover {
    background: var(--cream-dark);
}

/* ==========================================================================
   Zone Colors (for zone type display)
   ========================================================================== */

.zone-colors {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    margin: var(--space-lg) 0;
}

.zone-color-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.9rem;
}

.zone-color-swatch {
    width: 20px;
    height: 20px;
    border-radius: 4px;
    border: 1px solid rgba(0, 0, 0, 0.1);
}

/* ==========================================================================
   Sidebar CTA (Right)
   ========================================================================== */

.sidebar-cta {
    position: sticky;
    top: 100px;
    height: fit-content;
}

.cta-card {
    background: linear-gradient(145deg, var(--olive-deep) 0%, var(--olive) 100%);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    box-shadow: var(--shadow-medium);
    color: var(--cream);
}

.cta-card-badge {
    display: inline-block;
    background: var(--gold);
    color: var(--olive-dark);
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-md);
}

.cta-card-title {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--cream);
    margin-bottom: var(--space-sm);
    line-height: 1.3;
}

.cta-card p {
    font-size: 0.9rem;
    color: rgba(250, 247, 242, 0.85);
    margin-bottom: var(--space-lg);
    line-height: 1.6;
}

.cta-card-btn {
    display: block;
    width: 100%;
    text-align: center;
    background: var(--terracotta);
    color: var(--cream);
    padding: var(--space-md);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition-base);
}

.cta-card-btn:hover {
    background: var(--terracotta-light);
    color: var(--cream);
    transform: translateY(-2px);
}

.cta-card-note {
    font-size: 0.75rem;
    color: rgba(250, 247, 242, 0.6);
    text-align: center;
    margin-top: var(--space-md);
}

/* ==========================================================================
   FAQ Section
   ========================================================================== */

.faq-section {
    margin-top: var(--space-3xl);
    padding-top: var(--space-2xl);
    border-top: 1px solid var(--cream-dark);
}

.faq-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--olive-deep);
    margin-bottom: var(--space-xl);
}

.faq-item {
    background: white;
    border-radius: var(--radius-md);
    margin-bottom: var(--space-md);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    text-align: left;
    padding: var(--space-lg);
    background: none;
    border: none;
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 500;
    color: var(--olive-deep);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition-base);
}

.faq-question:hover {
    background: var(--cream);
}

.faq-question svg {
    width: 20px;
    height: 20px;
    color: var(--earth);
    transition: var(--transition-base);
    flex-shrink: 0;
    margin-left: var(--space-md);
}

.faq-item.open .faq-question svg {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 var(--space-lg) var(--space-lg);
    display: none;
}

.faq-item.open .faq-answer {
    display: block;
}

.faq-answer p {
    margin-bottom: 0;
    color: var(--earth);
}

/* ==========================================================================
   Related Section
   ========================================================================== */

.related-section {
    background: var(--parchment);
    padding: var(--space-3xl) var(--space-2xl);
    margin-top: var(--space-3xl);
}

.related-inner {
    max-width: 1000px;
    margin: 0 auto;
}

.related-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--olive-deep);
    text-align: center;
    margin-bottom: var(--space-2xl);
}

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

.related-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    transition: var(--transition-base);
}

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

.related-card-category {
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--terracotta);
    margin-bottom: var(--space-sm);
}

.related-card-title {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--olive-deep);
    line-height: 1.3;
    margin-bottom: var(--space-sm);
    transition: var(--transition-base);
}

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

.related-card-meta {
    font-size: 0.8rem;
    color: var(--stone);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
    background: var(--olive-dark);
    padding: var(--space-3xl) var(--space-2xl);
    text-align: center;
}

.footer-logo {
    display: inline-flex;
    align-items: center;
    margin-bottom: var(--space-lg);
}

.footer-logo-img {
    height: 36px;
    width: auto;
}

.footer-links {
    display: flex;
    gap: var(--space-xl);
    justify-content: center;
    margin-bottom: var(--space-lg);
}

.footer-links a {
    color: rgba(250, 247, 242, 0.7);
    font-size: 0.9rem;
}

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

.footer-copy {
    font-size: 0.8rem;
    color: rgba(250, 247, 242, 0.5);
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 1200px) {
    .article-layout {
        grid-template-columns: 1fr;
        max-width: 800px;
    }

    .sidebar-toc {
        display: none;
    }

    .sidebar-cta {
        position: static;
        margin-top: var(--space-2xl);
    }
}

@media (max-width: 768px) {
    .header {
        padding: var(--space-md) var(--space-lg);
    }

    .nav {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }

    .mobile-menu {
        display: flex;
    }

    .article-hero {
        padding: 5.5rem var(--space-lg) var(--space-lg);
    }

    .article-hero h1 {
        font-size: 1.5rem;
    }

    .article-meta {
        flex-wrap: wrap;
        gap: var(--space-md);
    }

    .article-layout {
        padding: var(--space-xl) var(--space-lg);
    }

    .article-content h2 {
        font-size: 1.35rem;
    }

    .comparison-table {
        font-size: 0.85rem;
    }

    .comparison-table th,
    .comparison-table td {
        padding: var(--space-sm);
    }

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

    .footer-links {
        flex-wrap: wrap;
        gap: var(--space-md);
    }

    .zone-colors {
        flex-direction: column;
    }
}