/* ===================================
   JW Time Website Styles
   Colors: Gray + blue v4 accent
   Dark/Light theme support
   =================================== */

:root {
    /* Light theme colors (matching app white mode) */
    --bg-primary: #f5f5f5;
    --bg-secondary: #ffffff;
    --bg-tertiary: #e8e8e8;
    --bg-gradient-start: #f9fafb;
    --bg-gradient-end: #e5e7eb;
    --text-primary: #1a1a1a;
    --text-secondary: #4a4a4a;
    --text-tertiary: #6a6a6a;
    --border-color: #d0d0d0;
    --card-bg: linear-gradient(135deg, #ebebeb 0%, #f8f8f8 50%, #ebebeb 100%);
    --card-bg-raised: linear-gradient(135deg, #e4e4e4 0%, #f4f4f4 50%, #e4e4e4 100%);

    /* Legacy green accent, still used by historical badges */
    --accent-green: #22c55e;
    --accent-green-hover: #16a34a;
    --accent-green-light: #4ade80;
    --accent-green-dark: #15803d;

    /* Version 4 accent colors */
    --accent-primary: #319fe0;
    --accent-primary-hover: #238bd0;
    --accent-primary-deep: #176fb3;
    --accent-primary-soft: rgba(49, 159, 224, 0.14);
    --button-primary-shadow: 0 12px 26px rgba(49, 159, 224, 0.28);
    --button-secondary-bg: rgba(255, 255, 255, 0.76);
    --button-secondary-hover-bg: rgba(49, 159, 224, 0.12);
    --button-secondary-border: rgba(30, 41, 59, 0.18);
    --button-secondary-hover-border: rgba(49, 159, 224, 0.56);
    --cta-bg: linear-gradient(135deg, rgba(244, 247, 251, 0.96) 0%, rgba(232, 238, 246, 0.98) 100%);
    --cta-border: rgba(49, 159, 224, 0.28);

    /* UI elements */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.25);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
}

/* Dark theme colors — near-black base, matching new app identity */
@media (prefers-color-scheme: dark) {
    :root {
        --bg-primary: #111111;
        --bg-secondary: #1c1c1c;
        --bg-tertiary: #262626;
        --bg-gradient-start: #1c1c1c;
        --bg-gradient-end: #141414;
        --text-primary: #eeeeee;
        --text-secondary: #b8b8b8;
        --text-tertiary: #787878;
        --border-color: #333333;
        --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.5);
        --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.6);
        --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.7);
        --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.8);
        /* Gradiente app-style: scuro → grigio medio → scuro */
        --card-bg: linear-gradient(135deg, #171717 0%, #212121 50%, #171717 100%);
        /* Versione più chiara per elementi in evidenza */
        --card-bg-raised: linear-gradient(135deg, #262626 0%, #3d3d3d 50%, #262626 100%);
        --button-primary-shadow: 0 14px 32px rgba(49, 159, 224, 0.34);
        --button-secondary-bg: rgba(255, 255, 255, 0.07);
        --button-secondary-hover-bg: rgba(49, 159, 224, 0.16);
        --button-secondary-border: rgba(255, 255, 255, 0.18);
        --button-secondary-hover-border: rgba(49, 159, 224, 0.62);
        --cta-bg: linear-gradient(135deg, rgba(29, 33, 38, 0.98) 0%, rgba(18, 21, 25, 0.98) 100%);
        --cta-border: rgba(49, 159, 224, 0.34);
    }
}

/* Force dark theme when body has .dark-theme class */
body.dark-theme {
    --bg-primary: #111111;
    --bg-secondary: #1c1c1c;
    --bg-tertiary: #262626;
    --bg-gradient-start: #1c1c1c;
    --bg-gradient-end: #141414;
    --text-primary: #eeeeee;
    --text-secondary: #b8b8b8;
    --text-tertiary: #787878;
    --border-color: #333333;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.5);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.6);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.7);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.8);
    --card-bg: linear-gradient(135deg, #171717 0%, #212121 50%, #171717 100%);
    --card-bg-raised: linear-gradient(135deg, #262626 0%, #3d3d3d 50%, #262626 100%);
    --button-primary-shadow: 0 14px 32px rgba(49, 159, 224, 0.34);
    --button-secondary-bg: rgba(255, 255, 255, 0.07);
    --button-secondary-hover-bg: rgba(49, 159, 224, 0.16);
    --button-secondary-border: rgba(255, 255, 255, 0.18);
    --button-secondary-hover-border: rgba(49, 159, 224, 0.62);
    --cta-bg: linear-gradient(135deg, rgba(29, 33, 38, 0.98) 0%, rgba(18, 21, 25, 0.98) 100%);
    --cta-border: rgba(49, 159, 224, 0.34);
}

/* Force light theme when body has .light-theme class */
body.light-theme {
    --bg-primary: #f5f5f5;
    --bg-secondary: #ffffff;
    --bg-tertiary: #e8e8e8;
    --bg-gradient-start: #f9fafb;
    --bg-gradient-end: #e5e7eb;
    --text-primary: #1a1a1a;
    --text-secondary: #4a4a4a;
    --text-tertiary: #6a6a6a;
    --border-color: #d0d0d0;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.25);
    --card-bg: linear-gradient(135deg, #ebebeb 0%, #f8f8f8 50%, #ebebeb 100%);
    --card-bg-raised: linear-gradient(135deg, #e4e4e4 0%, #f4f4f4 50%, #e4e4e4 100%);
    --button-primary-shadow: 0 12px 26px rgba(49, 159, 224, 0.28);
    --button-secondary-bg: rgba(255, 255, 255, 0.76);
    --button-secondary-hover-bg: rgba(49, 159, 224, 0.12);
    --button-secondary-border: rgba(30, 41, 59, 0.18);
    --button-secondary-hover-border: rgba(49, 159, 224, 0.56);
    --cta-bg: linear-gradient(135deg, rgba(244, 247, 251, 0.96) 0%, rgba(232, 238, 246, 0.98) 100%);
    --cta-border: rgba(49, 159, 224, 0.28);
}

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

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* ===================================
   Typography
   =================================== */

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.1rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
}

a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

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

.header {
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(24px) saturate(180%) brightness(1.08);
    -webkit-backdrop-filter: blur(24px) saturate(180%) brightness(1.08);
    border-bottom: 1px solid rgba(15, 23, 42, 0.08);
    padding: var(--spacing-md) 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
}

/* Header glass effect for dark theme */
body.dark-theme .header {
    background: rgba(10, 10, 10, 0.55);
    backdrop-filter: blur(28px);
    -webkit-backdrop-filter: blur(28px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    box-shadow: none;
}

@media (prefers-color-scheme: dark) {
    .header {
        background: rgba(10, 10, 10, 0.55);
        backdrop-filter: blur(28px);
        -webkit-backdrop-filter: blur(28px);
        border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        box-shadow: none;
    }
}

body.light-theme .header {
    background: rgba(255, 255, 255, 0.65);
    backdrop-filter: blur(24px) saturate(180%) brightness(1.08);
    -webkit-backdrop-filter: blur(24px) saturate(180%) brightness(1.08);
    border-bottom: 1px solid rgba(15, 23, 42, 0.08);
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

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

/* Logo dual mode - nero per light, bianco per dark */
/* Logo dual mode - default to white logo for light header */
.logo img {
    content: url('../images/jwtime-logo-white.png');
}

body.light-theme .logo img {
    content: url('../images/jwtime-logo-white.png');
}

body.dark-theme .logo img {
    content: url('../images/jwtime-logo.png');
}

@media (prefers-color-scheme: dark) {
    body:not(.light-theme) .logo img {
        content: url('../images/jwtime-logo.png');
    }
}

@media (prefers-color-scheme: light) {
    body:not(.dark-theme) .logo img {
        content: url('../images/jwtime-logo-white.png');
    }
}

.nav {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
    flex-wrap: wrap;
}

.nav a {
    color: var(--text-secondary);
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav a:hover,
.nav a.active {
    color: var(--text-primary);
}

/* Language selector */
.lang-selector {
    position: relative;
}

.lang-current {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.lang-current:hover {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

.lang-dropdown {
    position: absolute;
    top: calc(100% + var(--spacing-xs));
    right: 0;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    min-width: 160px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 100;
}

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

.lang-dropdown a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.lang-dropdown a:hover {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
}

/* Theme toggle */
.theme-toggle {
    background-color: var(--bg-tertiary);
    border: none;
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    transition: all 0.3s ease;
}

.theme-toggle:hover {
    background-color: var(--bg-secondary);
    transform: rotate(15deg);
}

.theme-toggle svg {
    width: 20px;
    height: 20px;
    fill: var(--text-secondary);
}

.theme-toggle:hover svg {
    fill: var(--text-primary);
}

/* ===================================
   Hero Section
   =================================== */

.hero {
    background: linear-gradient(135deg, var(--bg-gradient-start) 0%, var(--bg-gradient-end) 100%);
    padding: var(--spacing-2xl) var(--spacing-lg);
    text-align: center;
    border-bottom: 2px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-xl);
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* ===================================
   Buttons
   =================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-md);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid transparent;
    font-size: 1rem;
    line-height: 1.15;
    min-height: 52px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-primary-hover) 100%);
    border-color: rgba(255, 255, 255, 0.16);
    color: #ffffff;
    box-shadow: var(--button-primary-shadow);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--accent-primary-hover) 0%, var(--accent-primary-deep) 100%);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 16px 34px rgba(49, 159, 224, 0.36);
}

.btn-secondary {
    background: var(--button-secondary-bg);
    color: var(--text-primary);
    border-color: var(--button-secondary-border);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: var(--button-secondary-hover-bg);
    border-color: var(--button-secondary-hover-border);
    color: var(--text-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Outline button - light gray, no green, for use on dark surfaces */
.btn-outline {
    background-color: transparent;
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-outline:hover {
    background-color: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.35);
    color: var(--text-primary);
    transform: translateY(-2px);
}

body.light-theme .btn-outline {
    border-color: var(--border-color);
    color: var(--text-primary);
}

body.light-theme .btn-outline:hover {
    background-color: var(--bg-tertiary);
    border-color: var(--text-tertiary);
}

/* Gray solid button - matches app secondary buttons (e.g. Conferma) */
.btn-gray {
    background-color: #4a4a4a;
    color: var(--text-primary);
    border: 1px solid #5e5e5e;
}

.btn-gray:hover {
    background-color: #5a5a5a;
    border-color: #6e6e6e;
    color: var(--text-primary);
    transform: translateY(-2px);
}

body.light-theme .btn-gray {
    background-color: #888888;
    border-color: #999999;
    color: #ffffff;
}

body.light-theme .btn-gray:hover {
    background-color: #777777;
    border-color: #888888;
}

body.light-theme .news-date {
    background: #cccccc;
    color: #1a1a1a;
    border-color: #bbbbbb;
}

body.light-theme .highlight-box {
    background: #e0e0e0;
    border-color: #cccccc;
}

body.light-theme .news-preview-badge {
    background: #cccccc;
    color: #1a1a1a;
    border-color: #bbbbbb;
}

/* ===================================
   Main Content
   =================================== */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-2xl) var(--spacing-lg);
}

.content {
    background: var(--card-bg, linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%));
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-xl);
}

section.content.text-center {
    background: var(--cta-bg);
    border-color: var(--cta-border);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    position: relative;
}

section.content.text-center::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent 0%, var(--accent-primary) 28%, #f5a623 72%, transparent 100%);
}

section.content.text-center .hero-buttons {
    margin-top: var(--spacing-lg);
}

/* ===================================
   Features Grid
   =================================== */

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-2xl) 0;
}

.feature-card {
    background: var(--card-bg, linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%));
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--text-tertiary);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background-color: var(--bg-tertiary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    border: 1px solid var(--border-color);
}

.feature-icon svg {
    width: 32px;
    height: 32px;
    fill: var(--text-secondary);
}

.feature-card h3 {
    margin-bottom: var(--spacing-sm);
}

.feature-card p {
    margin-bottom: 0;
    font-size: 0.95rem;
}

.features.contact-grid {
    grid-template-columns: repeat(auto-fit, minmax(330px, 1fr));
    gap: var(--spacing-2xl);
}

/* ===================================
   Manual / Documentation Styles
   =================================== */

.manual-section {
    margin-bottom: var(--spacing-2xl);
}

.manual-section h2 {
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
    margin-bottom: var(--spacing-lg);
}

.manual-section h3 {
    color: var(--text-secondary);
    margin-top: var(--spacing-lg);
}

.manual-section ul,
.manual-section ol {
    margin-left: var(--spacing-2xl);
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-md);
}

.manual-section li {
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

ol.manual-section {
    margin-left: 0;
    padding-left: 0;
    list-style-position: inside;
}

ol.manual-section > li > h3:first-child {
    display: inline;
}

ol.manual-section > li > h3:first-child + p {
    margin-top: var(--spacing-md);
}

.manual-section code {
    background-color: var(--bg-tertiary);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
    color: var(--text-primary);
}

.manual-section pre {
    background-color: var(--bg-tertiary);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin-bottom: var(--spacing-md);
}

.manual-section pre code {
    background-color: transparent;
    padding: 0;
}

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

.footer {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-2xl) var(--spacing-lg);
    margin-top: var(--spacing-2xl);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
}

.footer-section h3 {
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: var(--spacing-sm);
}

.footer-section a {
    color: var(--text-secondary);
}

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

.footer-bottom {
    max-width: 1200px;
    margin: var(--spacing-xl) auto 0;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    text-align: center;
    color: var(--text-tertiary);
    font-size: 0.9rem;
}

/* ===================================
   News / Updates
   =================================== */

.news-item {
    background-color: var(--bg-secondary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-lg);
    border-left: 4px solid var(--border-color);
}

.news-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.news-version {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.news-date {
    color: var(--text-tertiary);
    font-size: 0.9rem;
}

.news-content h3 {
    color: var(--text-primary);
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.news-content ul {
    margin-left: var(--spacing-xl);
}

.news-content li {
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

/* ===================================
   Contact Form
   =================================== */

.contact-form {
    background-color: var(--bg-secondary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

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

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--text-tertiary);
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.05);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

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

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        align-items: flex-start;
    }

    .nav {
        width: 100%;
        justify-content: space-between;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    h1 { font-size: 2rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.25rem; }

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

    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .content figure,
    .manual-image-wrapper {
        flex: 1 1 100% !important;
        max-width: 100% !important;
        margin: 0 auto var(--spacing-lg) auto !important;
    }

    .content figure img,
    .news-card figure img,
    .image-container img,
    .manual-image-wrapper img {
        width: 100% !important;
        height: auto !important;
    }

    .news-showcase-media .news-showcase-image {
        width: auto !important;
        max-width: min(100%, 320px) !important;
        max-height: 720px;
    }
}

/* ===================================
   Utility Classes
   =================================== */

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

.hidden { display: none; }

.accent-text { color: var(--text-primary); }

/* ===================================
   Special Components
   =================================== */

/* Badge style (for release numbers, etc.) */
.badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Highlighted box */
.highlight-box {
    background: #3a3a3a;
    border: 1px solid #4e4e4e;
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
}

/* Info box */
.info-box {
    background: linear-gradient(135deg, var(--bg-gradient-start), var(--bg-gradient-end));
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin: var(--spacing-xl) 0;
    box-shadow: var(--shadow-lg);
}

/* Latest news preview box — gradiente raised, più chiaro per risaltare */
.news-preview {
    background: var(--card-bg-raised, linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%));
    border: 1px solid #363636;
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin: var(--spacing-2xl) 0;
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

body.light-theme .news-preview {
    background: linear-gradient(135deg, #ebebeb 0%, #fafafa 100%);
    border: 1px solid var(--border-color);
}

@media (prefers-color-scheme: dark) {
    body:not(.light-theme) .news-preview {
        background: var(--card-bg-raised);
        border: 1px solid #363636;
    }
}

.news-preview h3 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.news-preview-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.news-preview-badge {
    background: #4a4a4a;
    color: var(--text-primary);
    border: 1px solid #5e5e5e;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
}

/* ===================================
   Manual Page Styles
   =================================== */

/* Manual images container */
.image-container {
    margin: var(--spacing-xl) 0;
    text-align: center;
}

.manual-image {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
}

.news-image-compact {
    width: min(100%, 630px);
}

.news-showcase-container {
    margin-top: var(--spacing-2xl);
}

.news-showcase {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    margin: 0 auto;
    max-width: 900px;
}

.news-showcase figure {
    margin: 0;
}

.news-showcase-image {
    display: block;
    width: auto;
    height: 520px;
    object-fit: contain;
}

.news-showcase-main .news-showcase-image {
    max-width: 595px;
}

.news-showcase-media .news-showcase-image {
    max-width: 215px;
}

.manual-image-wrapper {
    position: relative;
}

.image-caption {
    margin-top: var(--spacing-md);
    font-size: 0.9rem;
    color: var(--text-tertiary);
    font-style: italic;
}

/* Manual index sections */
.manual-index {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin: var(--spacing-xl) 0;
}

.index-section {
    background: var(--card-bg, linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary)));
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
}

/* Special card for "Inizia qui" section */
.index-section.index-section--green {
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
    border-left: 4px solid var(--border-color);
}

.index-section h3 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
}

.index-section ul {
    list-style: none;
}

.index-section ul li {
    margin-bottom: var(--spacing-xs);
}

.index-section ul li a {
    color: var(--text-secondary);
    transition: all 0.3s ease;
    display: block;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
}

.index-section ul li a:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
    padding-left: var(--spacing-md);
}

.section-title {
    font-size: 2rem;
    margin: var(--spacing-2xl) 0 var(--spacing-xl) 0;
    padding: var(--spacing-xl);
    background: var(--card-bg, linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary)));
    border-left: 4px solid var(--border-color);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    box-shadow: var(--shadow-md);
}

/* Section divider used in manual (Avvio Rapido, Parte I, Parte II) */
.content-section-header {
    background: var(--card-bg, linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%));
    border-left: 4px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-xl);
}

/* News card with h4 titles (for subsections like 1.1, 1.2, etc) */
.news-card h4 {
    margin-bottom: var(--spacing-md);
    font-size: 1.1rem;
}

/* ===================================
   News Page Styles
   =================================== */

.news-item {
    background: var(--card-bg, linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary)));
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.news-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--border-color);
}

.news-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.news-version {
    color: var(--text-primary);
    font-size: 1.75rem;
}

.news-date {
    background: #4a4a4a;
    color: var(--text-primary);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    border: 1px solid #5e5e5e;
}

.news-content h3 {
    color: var(--text-primary);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.news-content ul {
    margin-left: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
}

.news-content ul li {
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

/* Version badges for features (NEW, UPDATED, etc.) */
.feature-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 6px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-left: var(--spacing-sm);
    vertical-align: middle;
}

.feature-badge.new {
    background: var(--accent-green);
    color: white;
}

.feature-badge.updated {
    background: #3b82f6;
    color: white;
}

.feature-badge.improved {
    background: #f59e0b;
    color: white;
}

.feature-badge.fixed {
    background: #ef4444;
    color: white;
}

/* ===================================
   News Cards Grid (for feature sections)
   =================================== */

.news-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.news-card {
    background: var(--card-bg, linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary)));
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.news-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
    border-color: var(--text-tertiary);
}

.news-card h3 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    font-size: 1.25rem;
}

.news-card p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.news-card ul {
    margin-left: var(--spacing-lg);
    margin-top: var(--spacing-md);
}

.news-card ul li {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

/* ===================================
   Special Cards - Dark/Light Mode Support
   =================================== */

/* Versione 3.0.0 Card - gradiente raised, più chiaro per risaltare */
.version-4-card {
    background: var(--card-bg-raised, linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%));
    border: 1px solid #363636;
}

.version-4-card::before {
    display: none;
}

.version-4-title {
    color: #f0f0f0;
    font-size: 2rem;
}

.version-4-subtitle {
    font-size: 1.1rem;
    color: #a0a0a0;
    margin-bottom: var(--spacing-xl);
    font-style: italic;
}

.version-4-intro {
    color: #c8c8c8;
}

/* Version 3.0.0 Card - Light Mode */
body.light-theme .version-4-card {
    background: linear-gradient(135deg, #f5f5f5 0%, #ffffff 60%, #f0f0f0 100%);
    border: 1px solid #d8d8d8;
}

body.light-theme .version-4-title {
    color: #111111;
}

body.light-theme .version-4-subtitle {
    color: #555555;
}

body.light-theme .version-4-intro {
    color: #333333;
}

@media (prefers-color-scheme: dark) {
    body:not(.light-theme) .version-4-card {
        background: var(--card-bg-raised);
        border: 1px solid #363636;
    }
    body:not(.light-theme) .version-4-subtitle {
        color: #a0a0a0;
    }
    body:not(.light-theme) .version-4-intro {
        color: #c8c8c8;
    }
}

/* Versione 2.x Card - storico, neutro */
.version-2-card {
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
    border-left: 4px solid var(--border-color);
}

.version-2-title {
    color: var(--text-primary);
}

.version-2-desc {
    color: var(--text-secondary);
}

/* Contact Cards */
.contact-card-green {
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
    border-left: 4px solid var(--border-color);
}

.contact-card-green h3 {
    color: var(--text-primary);
}

/* ===================================
   Hero with Background Image
   =================================== */

.hero-with-bg {
    background-image: url('../images/hero-home-v4.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    min-height: 600px;
    display: flex;
    align-items: center;
    position: relative;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.25));
}

.hero-with-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(249, 250, 251, 0.72) 0%, rgba(229, 231, 235, 0.68) 100%);
    pointer-events: none;
}

.hero-with-bg .hero-content {
    position: relative;
    z-index: 1;
}

/* Dark mode overlay */
body.dark-theme .hero-with-bg::before {
    background: linear-gradient(135deg, rgba(12, 14, 17, 0.56) 0%, rgba(8, 10, 12, 0.62) 100%);
}

@media (prefers-color-scheme: dark) {
    body:not(.light-theme) .hero-with-bg::before {
        background: linear-gradient(135deg, rgba(12, 14, 17, 0.56) 0%, rgba(8, 10, 12, 0.62) 100%);
    }
}