/* ============================================
   EDILIZIA IN UN CLICK
   Design System Professionale
   Palette: Rosso, Bianco, Grigio
   ============================================ */

/* === CSS VARIABLES === */
:root {
    /* Brand Colors */
    --color-primary: #C41E3A;
    --color-primary-dark: #A01830;
    --color-primary-light: #FEF2F4;

    /* Neutrals - Grigi professionali */
    --color-gray-900: #1A1A1A;
    --color-gray-800: #2D2D2D;
    --color-gray-700: #404040;
    --color-gray-600: #525252;
    --color-gray-500: #737373;
    --color-gray-400: #A3A3A3;
    --color-gray-300: #D4D4D4;
    --color-gray-200: #E5E5E5;
    --color-gray-100: #F5F5F5;
    --color-gray-50: #FAFAFA;

    /* Semantic */
    --color-text: var(--color-gray-800);
    --color-text-secondary: var(--color-gray-600);
    --color-text-muted: var(--color-gray-500);
    --color-border: var(--color-gray-200);
    --color-bg: #FFFFFF;
    --color-bg-alt: var(--color-gray-50);

    /* Feedback colors */
    --color-info: #0369A1;
    --color-info-bg: #F0F9FF;
    --color-warning: #B45309;
    --color-warning-bg: #FFFBEB;
    --color-success: #15803D;
    --color-success-bg: #F0FDF4;

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-serif: 'Merriweather', Georgia, 'Times New Roman', serif;

    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;
    --space-3xl: 64px;

    /* Layout */
    --container-max: 1200px;
    --article-max: 720px;
    --sidebar-width: 320px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 12px 32px rgba(0,0,0,0.12);

    /* Borders */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
}

/* === RESET === */
*, *::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-sans);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

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

ul, ol {
    list-style: none;
}

/* === UTILITIES === */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* === READING PROGRESS === */
.reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: var(--color-primary);
    z-index: 9999;
    transition: width 50ms linear;
}

/* === HEADER === */
.header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--color-bg);
}

.header-top {
    background: var(--color-gray-900);
    color: var(--color-gray-300);
    font-size: 0.8125rem;
    padding: var(--space-sm) 0;
}

.header-top-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-top-links {
    display: flex;
    gap: var(--space-lg);
}

.header-top-links a {
    color: var(--color-gray-300);
}

.header-top-links a:hover {
    color: var(--color-bg);
}

.header-main {
    padding: var(--space-md) 0;
    border-bottom: 1px solid var(--color-border);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-lg);
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    color: var(--color-text);
}

.logo:hover {
    color: var(--color-text);
}

.logo-mark {
    width: 48px;
    height: 48px;
    background: var(--color-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-icon {
    font-size: 1.5rem;
    font-weight: 800;
    color: white;
    font-family: var(--font-serif);
}

/* Logo con bordatura sottile e icona casetta */
.logo-mark-outline {
    background: white;
    border: 1.5px solid var(--color-gray-300);
}

.logo-icon-img {
    width: 36px;
    height: 36px;
    object-fit: contain;
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.logo-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-gray-900);
    letter-spacing: -0.02em;
}

.logo-tagline {
    font-size: 0.75rem;
    color: var(--color-gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Search */
.header-search {
    flex: 1;
    max-width: 400px;
    display: none;
}

@media (min-width: 768px) {
    .header-search {
        display: block;
    }
}

.search-form {
    display: flex;
    background: var(--color-gray-100);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid transparent;
    transition: all var(--transition-fast);
}

.search-form:focus-within {
    background: var(--color-bg);
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.search-form input {
    flex: 1;
    padding: var(--space-sm) var(--space-md);
    font-size: 0.9375rem;
    border: none;
    background: transparent;
    outline: none;
}

.search-form button {
    padding: var(--space-sm) var(--space-md);
    color: var(--color-gray-500);
}

.search-form button:hover {
    color: var(--color-primary);
}

/* Mobile Search Bar */
.mobile-search-bar {
    display: none;
    background: var(--color-gray-50);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-sm) 0;
}

@media (max-width: 767px) {
    .mobile-search-bar {
        display: block;
    }
}

.mobile-search-form {
    display: flex;
    align-items: center;
    background: var(--color-bg);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.mobile-search-form:focus-within {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.mobile-search-icon {
    margin-left: 12px;
    color: var(--color-gray-400);
    flex-shrink: 0;
}

.mobile-search-form input {
    flex: 1;
    padding: 10px 12px;
    font-size: 0.9375rem;
    border: none;
    background: transparent;
    outline: none;
    color: var(--color-gray-900);
    min-width: 0;
}

.mobile-search-form input::placeholder {
    color: var(--color-gray-400);
}

.mobile-search-form button {
    padding: 10px 14px;
    color: var(--color-gray-500);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    cursor: pointer;
    transition: color var(--transition-fast);
}

.mobile-search-form button:hover {
    color: var(--color-primary);
}

/* Mobile Menu Button */
.btn-menu {
    width: 44px;
    height: 44px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
}

.btn-menu span {
    width: 22px;
    height: 2px;
    background: var(--color-gray-700);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* Hamburger to X animation */
.btn-menu.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.btn-menu.active span:nth-child(2) {
    opacity: 0;
}

.btn-menu.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

@media (min-width: 1024px) {
    .btn-menu {
        display: none;
    }
}

/* Main Navigation */
.nav-main {
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    position: relative;
    z-index: 100;
}

/* Mobile Navigation - Hidden by default */
@media (max-width: 1023px) {
    .nav-main {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--color-bg);
        border-bottom: 1px solid var(--color-border);
        box-shadow: var(--shadow-lg);
        z-index: 100;
    }

    .nav-main.active {
        display: block;
    }

    .nav-main .nav-list {
        flex-direction: column;
        overflow-x: visible;
        padding: var(--space-md) 0;
    }

    .nav-main .nav-list a {
        padding: var(--space-md) var(--space-lg);
        border-bottom: none;
        border-left: 3px solid transparent;
    }

    .nav-main .nav-list a:hover,
    .nav-main .nav-list a.active {
        background: var(--color-bg-alt);
        border-left-color: var(--color-primary);
    }

    .header-main {
        position: relative;
    }
}

.nav-list {
    display: flex;
    scrollbar-width: none;
}

.nav-list::-webkit-scrollbar {
    display: none;
}

.nav-list > li {
    flex-shrink: 0;
    position: relative;
}

/* Overflow solo su mobile per scroll orizzontale */
@media (max-width: 1023px) {
    .nav-list {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
}

.nav-list a {
    display: block;
    padding: var(--space-md) var(--space-lg);
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-gray-700);
    border-bottom: 2px solid transparent;
    transition: all var(--transition-fast);
}

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

.nav-list a.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

/* Dropdown Menu */
.nav-item-dropdown {
    position: relative;
}

.nav-dropdown-toggle {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    cursor: pointer;
}

.nav-dropdown-icon {
    transition: transform 0.2s ease;
    flex-shrink: 0;
}

.nav-item-dropdown:hover .nav-dropdown-icon {
    transform: rotate(180deg);
}

.nav-dropdown {
    position: absolute;
    top: calc(100% + 2px);
    left: 0;
    min-width: 220px;
    background: #ffffff;
    border: 1px solid var(--color-border);
    border-top: 3px solid var(--color-primary);
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.2s ease;
    z-index: 9999;
    display: flex;
    flex-direction: column;
}

.nav-item-dropdown:hover .nav-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* Previeni chiusura quando si muove il mouse verso il dropdown */
.nav-item-dropdown::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    height: 10px;
}

.nav-dropdown li {
    border-bottom: 1px solid var(--color-border);
}

.nav-dropdown li:last-child {
    border-bottom: none;
}

.nav-dropdown a {
    padding: var(--space-sm) var(--space-lg);
    font-size: 0.875rem;
    border-bottom: none !important;
    border-left: 3px solid transparent;
}

.nav-dropdown a:hover {
    background: var(--color-bg-alt);
    border-left-color: var(--color-primary);
}

/* Mobile Dropdown */
@media (max-width: 1023px) {
    .nav-dropdown {
        position: static !important;
        opacity: 1 !important;
        visibility: visible !important;
        transform: none !important;
        box-shadow: none !important;
        border: none !important;
        border-top: none !important;
        border-radius: 0 !important;
        background: var(--color-bg-alt) !important;
        display: none !important;
        width: 100%;
        min-width: auto !important;
    }

    .nav-item-dropdown.active > .nav-dropdown {
        display: block !important;
    }

    .nav-item-dropdown.active > .nav-dropdown-toggle .nav-dropdown-icon {
        transform: rotate(180deg);
    }

    .nav-dropdown a {
        padding-left: var(--space-2xl) !important;
    }

    .nav-dropdown li {
        border-bottom: 1px solid var(--color-border);
    }

    .nav-dropdown li:last-child {
        border-bottom: none;
    }
}

/* === BREADCRUMB === */
.breadcrumb {
    padding: var(--space-sm) 0;
    background: var(--color-bg-alt);
    border-bottom: 1px solid var(--color-border);
}

.breadcrumb-list {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.875rem;
}

.breadcrumb-list li {
    display: flex;
    align-items: center;
}

.breadcrumb-list li:not(:last-child)::after {
    content: '/';
    margin-left: var(--space-sm);
    color: var(--color-gray-400);
}

.breadcrumb-list a {
    color: var(--color-gray-600);
}

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

.breadcrumb-list [aria-current="page"] {
    color: var(--color-gray-900);
    font-weight: 500;
}

/* === MAIN LAYOUT === */
.main {
    padding: 0 0 var(--space-3xl);
}

/* Spazio tra breadcrumb e contenuto articolo */
.main > .container {
    padding-top: var(--space-2xl);
}

.article-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-3xl);
}

@media (min-width: 1024px) {
    .article-layout {
        grid-template-columns: 1fr var(--sidebar-width);
        gap: var(--space-3xl);
    }
}

/* === ARTICLE === */
.article {
    min-width: 0;
}

/* Article Header */
.article-header {
    margin-bottom: var(--space-xl);
}

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

.article-category {
    display: inline-block;
    padding: var(--space-xs) var(--space-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-primary);
    background: var(--color-primary-light);
    border-radius: var(--radius-sm);
}

.article-category:hover {
    background: var(--color-primary);
    color: white;
}

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

.article-date::before,
.article-reading-time::before {
    content: '';
    display: inline-block;
    width: 4px;
    height: 4px;
    background: var(--color-gray-300);
    border-radius: 50%;
    margin-right: var(--space-sm);
    vertical-align: middle;
}

.article-title {
    font-family: var(--font-serif);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    line-height: 1.25;
    color: var(--color-gray-900);
    margin-bottom: var(--space-md);
    letter-spacing: -0.02em;
}

.article-subtitle {
    font-size: 1.125rem;
    line-height: 1.6;
    color: var(--color-gray-600);
    margin-bottom: var(--space-lg);
}

/* Author Bar */
.article-author-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-lg);
    padding: var(--space-md) 0;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

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

.author-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
    background: var(--color-gray-200);
}

.author-info {
    display: flex;
    flex-direction: column;
}

.author-label {
    font-size: 0.75rem;
    color: var(--color-gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.author-name {
    font-weight: 600;
    color: var(--color-gray-900);
}

/* Share */
.article-share {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.share-label {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-gray-500);
}

.share-buttons {
    display: flex;
    gap: var(--space-xs);
}

.share-btn {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray-500);
    background: var(--color-gray-100);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.share-btn:hover {
    color: var(--color-bg);
    background: var(--color-primary);
}

/* Article Hero */
.article-hero {
    margin-bottom: var(--space-xl);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.article-hero img {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
}

/* Table of Contents */
.toc {
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.toc-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-md);
}

.toc-title {
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-gray-700);
}

.toc-toggle {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray-500);
    background: var(--color-bg);
    border-radius: var(--radius-sm);
}

.toc-list {
    counter-reset: toc;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.toc-list li {
    counter-increment: toc;
}

.toc-list a {
    display: flex;
    align-items: baseline;
    gap: var(--space-sm);
    padding: var(--space-sm) 0;
    color: var(--color-gray-700);
    font-size: 0.9375rem;
    transition: all var(--transition-fast);
}

.toc-list a::before {
    content: counter(toc) ".";
    flex-shrink: 0;
    font-weight: 600;
    color: var(--color-primary);
}

.toc-list a:hover {
    color: var(--color-primary);
    padding-left: var(--space-sm);
}

/* === ARTICLE CONTENT === */
.article-content {
    font-family: var(--font-serif);
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--color-gray-800);
}

.article-content > * + * {
    margin-top: 1.5em;
}

/* Lead paragraph */
.article-content .lead {
    font-size: 1.1875rem;
    line-height: 1.7;
    color: var(--color-gray-700);
}

/* Headings */
.article-content h2 {
    font-family: var(--font-sans);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-gray-900);
    margin-top: 2.5em;
    margin-bottom: 0.75em;
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-border);
    letter-spacing: -0.01em;
}

.article-content section:first-child h2,
.article-content h2:first-child {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
}

.article-content h3 {
    font-family: var(--font-sans);
    font-size: 1.1875rem;
    font-weight: 600;
    color: var(--color-gray-900);
    margin-top: 2em;
    margin-bottom: 0.5em;
}

.article-content h4 {
    font-family: var(--font-sans);
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-gray-900);
    margin-top: 1.5em;
    margin-bottom: 0.5em;
}

/* Paragraphs */
.article-content p {
    margin-bottom: 1.25em;
}

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

/* Strong & Em */
.article-content strong {
    font-weight: 700;
    color: var(--color-gray-900);
}

.article-content em {
    font-style: italic;
}

/* Lists */
.article-content ul,
.article-content ol {
    padding-left: 1.5em;
    margin-bottom: 1.25em;
}

.article-content ul {
    list-style: none;
}

.article-content ul > li {
    position: relative;
    padding-left: 1em;
    margin-bottom: 0.5em;
}

.article-content ul > li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.75em;
    width: 6px;
    height: 6px;
    background: var(--color-primary);
    border-radius: 50%;
}

.article-content ol {
    list-style: decimal;
}

.article-content ol > li {
    padding-left: 0.5em;
    margin-bottom: 0.5em;
}

.article-content ol > li::marker {
    color: var(--color-primary);
    font-weight: 600;
}

/* Nested lists */
.article-content li ul,
.article-content li ol {
    margin-top: 0.5em;
    margin-bottom: 0;
}

/* === CALLOUTS === */
.callout {
    display: flex;
    gap: var(--space-md);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    line-height: 1.6;
}

.callout-icon {
    flex-shrink: 0;
}

.callout-content strong {
    display: block;
    margin-bottom: var(--space-xs);
}

.callout-info {
    background: var(--color-info-bg);
    border-left: 4px solid var(--color-info);
}

.callout-info .callout-icon {
    color: var(--color-info);
}

.callout-warning {
    background: var(--color-warning-bg);
    border-left: 4px solid var(--color-warning);
}

.callout-warning .callout-icon {
    color: var(--color-warning);
}

/* === COMPARISON BOX === */
.comparison-box {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: var(--space-lg);
    align-items: stretch;
    padding: var(--space-lg);
    background: var(--color-bg-alt);
    border-radius: var(--radius-md);
    font-family: var(--font-sans);
}

@media (max-width: 640px) {
    .comparison-box {
        grid-template-columns: 1fr;
    }
}

.comparison-item {
    padding: var(--space-lg);
    background: var(--color-bg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.comparison-item h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--space-sm);
}

.comparison-item p {
    font-size: 0.9375rem;
    color: var(--color-gray-600);
    margin: 0;
}

.comparison-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--color-primary);
    background: var(--color-primary-light);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    align-self: center;
}

@media (max-width: 640px) {
    .comparison-divider {
        justify-self: center;
    }
}

/* === DATA TABLE === */
.data-table-wrapper {
    overflow-x: auto;
    margin: var(--space-lg) 0;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-family: var(--font-sans);
    font-size: 0.9375rem;
}

.data-table th,
.data-table td {
    padding: var(--space-md) var(--space-lg);
    text-align: left;
    vertical-align: top;
}

.data-table th {
    background: var(--color-gray-900);
    color: var(--color-bg);
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.data-table td {
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
}

.data-table tr:last-child td {
    border-bottom: none;
}

.data-table tr:hover td {
    background: var(--color-bg-alt);
}

.table-note {
    display: block;
    font-size: 0.8125rem;
    color: var(--color-gray-500);
    margin-top: var(--space-xs);
}

.data-table td ul {
    margin: 0;
    padding-left: 1.25em;
}

.data-table td ul li {
    margin-bottom: var(--space-xs);
}

/* === TIMELINE === */
.timeline {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    margin: var(--space-xl) 0;
}

.timeline-item {
    display: flex;
    gap: var(--space-lg);
    font-family: var(--font-sans);
}

.timeline-marker {
    flex-shrink: 0;
    width: 72px;
    height: 72px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--color-primary);
    color: white;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
}

.timeline-marker span {
    font-size: 1.5rem;
    font-weight: 800;
    line-height: 1;
}

.timeline-marker small {
    font-size: 0.6875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    opacity: 0.9;
}

.timeline-content {
    flex: 1;
    padding-top: var(--space-sm);
}

.timeline-content h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--space-xs);
}

.timeline-content p {
    font-size: 0.9375rem;
    color: var(--color-gray-600);
    margin: 0;
}

/* === UPDATE BOX === */
.update-box {
    padding: var(--space-lg);
    background: var(--color-primary-light);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--color-primary);
    font-family: var(--font-sans);
}

.update-box h4 {
    font-size: 0.9375rem;
    font-weight: 700;
    color: var(--color-primary-dark);
    margin-bottom: var(--space-md);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.update-box ul {
    margin: 0;
    padding-left: 1.25em;
}

.update-box li {
    font-size: 0.9375rem;
    color: var(--color-gray-700);
    margin-bottom: var(--space-sm);
}

.update-box li:last-child {
    margin-bottom: 0;
}

/* === ARTICLE CONCLUSION === */
.article-conclusion {
    margin-top: var(--space-2xl);
    padding: var(--space-xl);
    background: var(--color-bg-alt);
    border-radius: var(--radius-md);
}

.article-conclusion h2 {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
}

/* === ARTICLE FOOTER === */
.article-footer {
    margin-top: var(--space-2xl);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-border);
    font-family: var(--font-sans);
}

/* Tags */
.article-tags {
    margin-bottom: var(--space-xl);
}

.tags-label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-sm);
}

.tags-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.tags-list a {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-gray-700);
    background: var(--color-gray-100);
    border-radius: 100px;
    transition: all var(--transition-fast);
}

.tags-list a:hover {
    color: var(--color-primary);
    background: var(--color-primary-light);
}

/* Feedback */
.article-actions {
    margin-bottom: var(--space-xl);
}

.article-feedback {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    padding: var(--space-lg);
    background: var(--color-bg-alt);
    border-radius: var(--radius-md);
}

.article-feedback > span {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-gray-700);
}

.feedback-buttons {
    display: flex;
    gap: var(--space-sm);
}

.feedback-btn {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-gray-600);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.feedback-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* Author Bio */
.author-bio {
    display: flex;
    gap: var(--space-lg);
    padding: var(--space-xl);
    background: var(--color-bg-alt);
    border-radius: var(--radius-md);
}

@media (max-width: 640px) {
    .author-bio {
        flex-direction: column;
        text-align: center;
    }
}

.author-bio-avatar {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    background: var(--color-gray-200);
}

@media (max-width: 640px) {
    .author-bio-avatar {
        margin: 0 auto;
    }
}

.author-bio-header {
    margin-bottom: var(--space-sm);
}

.author-bio-header h3 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--space-xs);
}

.author-bio-role {
    font-size: 0.8125rem;
    color: var(--color-primary);
    font-weight: 500;
}

.author-bio-content p {
    font-size: 0.9375rem;
    color: var(--color-gray-600);
    line-height: 1.6;
    margin-bottom: var(--space-md);
}

.author-bio-links {
    display: flex;
    gap: var(--space-md);
}

@media (max-width: 640px) {
    .author-bio-links {
        justify-content: center;
    }
}

.author-bio-links a {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-primary);
}

/* === COMMENTI === */
.article-comments {
    margin-top: var(--space-2xl);
    padding-top: var(--space-xl);
    border-top: 2px solid var(--color-border);
}

.comments-title {
    font-family: var(--font-sans);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--space-lg);
}

.comments-count {
    font-weight: 400;
    font-size: 1rem;
    color: var(--color-gray-500);
}

/* Singolo commento */
.comment {
    padding: var(--space-lg) 0;
    border-bottom: 1px solid var(--color-gray-100);
}

.comment:last-child {
    border-bottom: none;
}

/* Thread: indentazione */
.comment-replies {
    border-left: 2px solid var(--color-gray-200);
    margin-left: var(--space-lg);
    padding-left: var(--space-lg);
}

.comment-replies .comment-replies {
    margin-left: var(--space-md);
    padding-left: var(--space-md);
}

/* Header commento */
.comment-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-sm);
}

.comment-avatar {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

/* Fallback: iniziale colorata quando Gravatar non disponibile */
.comment-avatar-fallback {
    background: var(--color-primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1rem;
    font-family: var(--font-sans);
}

.comment-meta {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.comment-author {
    font-weight: 600;
    font-size: 0.9375rem;
    color: var(--color-gray-900);
    text-decoration: none;
}

a.comment-author:hover {
    color: var(--color-primary);
    text-decoration: underline;
}

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

/* Body commento */
.comment-body {
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--color-gray-700);
    margin-bottom: var(--space-sm);
    padding-left: calc(40px + var(--space-md));
}

/* Azioni */
.comment-actions {
    padding-left: calc(40px + var(--space-md));
}

.comment-reply-btn {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-primary);
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-xs) 0;
    transition: color var(--transition-fast);
}

.comment-reply-btn:hover {
    color: var(--color-primary-dark);
}

/* Indicatore risposta */
.reply-indicator {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md);
    background: #EFF6FF;
    border-left: 3px solid #3B82F6;
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-lg);
    font-size: 0.875rem;
    color: #1E40AF;
}

.cancel-reply {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-primary);
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-xs) var(--space-sm);
}

.cancel-reply:hover {
    color: var(--color-primary-dark);
}

/* Form commento */
.comment-form-wrapper {
    margin-top: var(--space-2xl);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-border);
}

.comment-form-title {
    font-family: var(--font-sans);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--space-lg);
}

.comment-form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.comment-form-group {
    margin-bottom: var(--space-lg);
}

.comment-form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-gray-700);
    margin-bottom: var(--space-xs);
}

.comment-required {
    color: var(--color-primary);
}

.comment-input {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    font-size: 0.9375rem;
    font-family: var(--font-sans);
    color: var(--color-gray-900);
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.comment-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(196, 30, 58, 0.1);
}

.comment-textarea {
    resize: vertical;
    min-height: 120px;
}

.comment-field-error {
    display: none;
    font-size: 0.8125rem;
    color: #DC2626;
    margin-top: var(--space-xs);
}

.comment-altcha-container {
    margin-bottom: var(--space-lg);
}

/* Submit */
.comment-submit-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-xl);
    font-size: 0.9375rem;
    font-weight: 600;
    font-family: var(--font-sans);
    color: white;
    background: var(--color-primary);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.comment-submit-btn:hover {
    background: var(--color-primary-dark);
}

.comment-submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.comment-spinner {
    display: none;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

/* Alert commenti */
.comment-alert {
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-lg);
    font-size: 0.9375rem;
}

.comment-alert-success {
    background: #F0FDF4;
    border-left: 4px solid #15803D;
    color: #15803D;
}

.comment-alert-error {
    background: #FEF2F2;
    border-left: 4px solid #DC2626;
    color: #DC2626;
}

/* Loading e vuoto */
.comments-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    padding: var(--space-2xl);
    color: var(--color-gray-500);
}

.spinner-comments {
    width: 24px;
    height: 24px;
    border: 2px solid var(--color-gray-200);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

.comments-empty {
    text-align: center;
    padding: var(--space-2xl);
    color: var(--color-gray-500);
    font-style: italic;
}

/* Responsive commenti */
@media (max-width: 640px) {
    .comment-form-grid {
        grid-template-columns: 1fr;
    }

    .comment-replies {
        margin-left: var(--space-sm);
        padding-left: var(--space-sm);
    }

    .comment-body,
    .comment-actions {
        padding-left: 0;
    }

    .comment-avatar {
        width: 32px;
        height: 32px;
    }

    .comment-avatar-fallback {
        font-size: 0.875rem;
    }
}

/* === SIDEBAR === */
.sidebar {
    display: none;
}

@media (min-width: 1024px) {
    .sidebar {
        display: block;
    }
}

.sidebar-sticky {
    position: sticky;
    top: 140px;
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    margin-top: var(--space-md);
}

/* Widgets */
.widget {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.widget-header {
    padding: var(--space-md) var(--space-lg);
    background: var(--color-gray-50);
    border-bottom: 1px solid var(--color-border);
}

.widget-header h3 {
    font-size: 0.8125rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-gray-700);
}

.widget-content {
    padding: var(--space-lg);
}

/* Newsletter Widget */
.widget-newsletter {
    border-color: var(--color-primary);
    border-width: 2px;
}

.widget-newsletter .widget-header {
    background: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

.widget-newsletter .widget-header h3 {
    color: white;
}

.widget-newsletter p {
    font-size: 0.9375rem;
    color: var(--color-gray-600);
    margin-bottom: var(--space-md);
}

.newsletter-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.newsletter-form input {
    padding: var(--space-md);
    font-size: 0.9375rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
}

.newsletter-form input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.newsletter-form button {
    padding: var(--space-md);
    font-size: 0.9375rem;
    font-weight: 600;
    color: white;
    background: var(--color-primary);
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
}

.newsletter-form button:hover {
    background: var(--color-primary-dark);
}

.newsletter-note {
    display: block;
    font-size: 0.75rem;
    color: var(--color-gray-500);
    margin-top: var(--space-sm);
}

/* === NEWSLETTER BOTTOM BAR (Fixed) === */
.newsletter-bottom-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--color-primary);
    padding: var(--space-md) var(--space-lg);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
    z-index: 998;
    transform: translateY(100%);
    opacity: 0;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease;
}

.newsletter-bottom-bar.visible {
    transform: translateY(0);
    opacity: 1;
}

.newsletter-bottom-bar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-lg);
    max-width: 1400px;
}

.newsletter-bottom-bar-content {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    flex: 1;
}

.newsletter-bottom-bar-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.newsletter-bottom-bar-text {
    color: white;
}

.newsletter-bottom-bar-text strong {
    display: block;
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 2px;
}

.newsletter-bottom-bar-text span {
    font-size: 0.875rem;
    opacity: 0.9;
}

.newsletter-bottom-bar .newsletter-form {
    flex-direction: row;
    gap: var(--space-sm);
    flex: 0 1 400px;
}

.newsletter-bottom-bar .newsletter-form input {
    flex: 1;
    padding: var(--space-sm) var(--space-md);
    border: 2px solid rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--radius-sm);
}

.newsletter-bottom-bar .newsletter-form input:focus {
    border-color: white;
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.3);
}

.newsletter-bottom-bar .newsletter-form button {
    padding: var(--space-sm) var(--space-lg);
    background: var(--color-gray-900);
    color: white;
    white-space: nowrap;
}

.newsletter-bottom-bar .newsletter-form button:hover {
    background: var(--color-gray-800);
}


/* Responsive per newsletter bottom bar */
@media (max-width: 768px) {
    .newsletter-bottom-bar .container {
        flex-direction: column;
        gap: var(--space-md);
    }

    .newsletter-bottom-bar-content {
        width: 100%;
        justify-content: center;
        text-align: center;
    }

    .newsletter-bottom-bar-icon {
        display: none;
    }

    .newsletter-bottom-bar .newsletter-form {
        width: 100%;
        flex: none;
    }
}

/* Nascondi il widget newsletter nella sidebar quando la barra è visibile */
.newsletter-bottom-bar.visible ~ .sidebar .widget-newsletter,
body.newsletter-bar-active .sidebar .widget-newsletter {
    opacity: 0.3;
    pointer-events: none;
}

/* Related Articles Widget */
.related-item {
    padding: var(--space-md) 0;
    border-bottom: 1px solid var(--color-border);
}

.related-item:first-child {
    padding-top: 0;
}

.related-item:last-child {
    padding-bottom: 0;
    border-bottom: none;
}

.related-item a {
    display: block;
    color: var(--color-text);
}

.related-category {
    display: inline-block;
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-primary);
    margin-bottom: var(--space-xs);
}

.related-item h4 {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-gray-900);
    line-height: 1.4;
    margin-bottom: var(--space-xs);
    transition: color var(--transition-fast);
}

.related-item a:hover h4 {
    color: var(--color-primary);
}

.related-item time {
    font-size: 0.75rem;
    color: var(--color-gray-500);
}

/* CTA Widget */
.widget-cta {
    background: var(--color-bg-alt);
    text-align: center;
    border: none;
}

.widget-cta h3 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--space-sm);
}

.widget-cta p {
    font-size: 0.9375rem;
    color: var(--color-gray-600);
    margin-bottom: var(--space-lg);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-md) var(--space-xl);
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.btn-primary {
    color: white;
    background: var(--color-primary);
}

.btn-primary:hover {
    color: white;
    background: var(--color-primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* === FOOTER === */
.footer {
    background: var(--color-gray-900);
    color: var(--color-gray-400);
}

.footer-main {
    padding: var(--space-3xl) 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr 1fr;
    }
}

.footer-brand p {
    font-size: 0.9375rem;
    line-height: 1.6;
    margin-top: var(--space-md);
}

.footer .logo-title {
    color: white;
}

.footer .logo-mark-outline {
    background: white;
    border: 1.5px solid var(--color-gray-300);
}

.footer .logo-icon-img {
    width: 36px;
    height: 36px;
    object-fit: contain;
}

.footer-nav h4 {
    font-size: 0.8125rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: white;
    margin-bottom: var(--space-md);
}

.footer-nav ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-nav a {
    font-size: 0.9375rem;
    color: var(--color-gray-400);
    transition: color var(--transition-fast);
}

.footer-nav a:hover {
    color: white;
}

.footer-bottom {
    padding: var(--space-lg) 0;
    border-top: 1px solid var(--color-gray-800);
}

.footer-bottom-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-md);
}

.footer-bottom p {
    font-size: 0.875rem;
}

.footer-legal {
    display: flex;
    gap: var(--space-lg);
}

.footer-legal a {
    font-size: 0.875rem;
    color: var(--color-gray-400);
}

.footer-legal a:hover {
    color: white;
}

/* Footer Credit */
.footer-credit {
    padding: var(--space-md) 0;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-credit p {
    font-size: 0.75rem;
    color: var(--color-gray-600);
    margin: 0;
}

.footer-credit a {
    color: var(--color-gray-500);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast);
}

.footer-credit a:hover {
    color: white;
}

/* Padding per evitare che il newsletter bar copra il fondo pagina */
body.newsletter-bar-active {
    padding-bottom: 80px;
}

@media (max-width: 768px) {
    body.newsletter-bar-active {
        padding-bottom: 140px;
    }
}

/* === SCROLL TO TOP === */
.scroll-top {
    position: fixed;
    bottom: var(--space-lg);
    right: var(--space-lg);
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    background: var(--color-gray-800);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-base);
    z-index: 999;
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-top:hover {
    background: var(--color-primary);
    transform: translateY(-4px);
}

/* === RESPONSIVE === */
@media (max-width: 640px) {
    .header-top {
        display: none;
    }

    .article-author-bar {
        flex-direction: column;
        align-items: flex-start;
    }

    .timeline-item {
        flex-direction: column;
        gap: var(--space-md);
    }

    .timeline-marker {
        width: 64px;
        height: 64px;
    }
}

/* === PRINT === */
@media print {
    .header,
    .breadcrumb,
    .sidebar,
    .article-share,
    .toc,
    .article-feedback,
    .footer,
    .scroll-top,
    .reading-progress {
        display: none !important;
    }

    .article {
        max-width: 100%;
    }

    .article-content {
        font-size: 11pt;
    }
}

/* ============================================
   AMAZON AFFILIATE PRODUCT CARDS
   Layout a lista moderna con immagini auto da Amazon
   ============================================ */

.amazon-products-grid {
    display: flex !important;
    flex-direction: column !important;
    gap: 0 !important;
    margin: var(--space-lg, 24px) 0;
    border: 1px solid var(--color-border, #E5E5E5);
    border-radius: 12px;
    overflow: hidden;
    grid-template-columns: none !important;
}

.amazon-product-card {
    border-bottom: 1px solid var(--color-border, #E5E5E5);
    background: var(--color-bg, #FFFFFF);
    transition: background 0.2s ease;
}

.amazon-product-card:last-child {
    border-bottom: none;
}

.amazon-product-card:hover {
    background: var(--color-gray-50, #FAFAFA);
}

.amazon-product-card a {
    display: grid !important;
    grid-template-columns: 120px 1fr auto !important;
    align-items: center;
    gap: var(--space-md, 16px);
    padding: var(--space-md, 16px) var(--space-lg, 24px);
    text-decoration: none;
    color: inherit;
    flex-direction: unset !important;
    height: auto !important;
}

.amazon-product-image {
    width: 100px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fff;
    border-radius: 8px;
    border: 1px solid var(--color-gray-200, #E5E5E5);
    overflow: hidden;
    flex-shrink: 0;
}

.amazon-product-image img {
    max-width: 90px;
    max-height: 90px;
    object-fit: contain;
}

.amazon-product-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
}

.amazon-product-title {
    font-family: var(--font-sans, 'Inter', sans-serif);
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-gray-900, #1A1A1A);
    margin: 0;
    line-height: 1.3;
}

.amazon-product-description {
    font-size: 0.85rem;
    color: var(--color-text-secondary, #525252);
    margin: 0;
    line-height: 1.4;
}

.amazon-product-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary, #C41E3A);
    color: #fff;
    font-size: 0.82rem;
    font-weight: 700;
    padding: 10px 20px;
    border-radius: 8px;
    text-align: center;
    transition: background 0.2s ease, transform 0.15s ease;
    white-space: nowrap;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

.amazon-product-card:hover .amazon-product-cta {
    background: var(--color-primary-dark, #A01830);
    transform: scale(1.03);
}

.amazon-disclosure {
    font-size: 0.72rem;
    color: var(--color-text-muted, #737373);
    margin-top: var(--space-sm, 8px);
    font-style: italic;
}

/* Responsive tablet */
@media (max-width: 768px) {
    .amazon-product-card a {
        grid-template-columns: 90px 1fr;
        gap: var(--space-sm, 12px);
        padding: var(--space-sm, 12px) var(--space-md, 16px);
    }

    .amazon-product-image {
        width: 80px;
        height: 80px;
    }

    .amazon-product-image img {
        max-width: 70px;
        max-height: 70px;
    }

    .amazon-product-cta {
        grid-column: 1 / -1;
        justify-self: stretch;
        padding: 10px 16px;
    }

    .amazon-product-title {
        font-size: 0.88rem;
    }
}

/* Responsive mobile */
@media (max-width: 480px) {
    .amazon-product-card a {
        grid-template-columns: 70px 1fr;
        gap: var(--space-sm, 8px);
        padding: var(--space-sm, 10px) var(--space-sm, 12px);
    }

    .amazon-product-image {
        width: 65px;
        height: 65px;
    }

    .amazon-product-image img {
        max-width: 55px;
        max-height: 55px;
    }

    .amazon-product-title {
        font-size: 0.82rem;
    }

    .amazon-product-description {
        font-size: 0.78rem;
    }

    .amazon-product-cta {
        font-size: 0.78rem;
        padding: 8px 12px;
    }
}