:root {
    --primary-color: #5f5df7;
    --primary-dark: #3533c7;
    --accent-color: #10b981;
    --danger-color: #ef4444;
    --text-primary: #18181b;
    --text-secondary: #6b7280;
    --border-color: #e5e7eb;
    --bg-color: #fff;
    --bg-secondary: #f3f4f6;
    --radius: 10px;
    --shadow: 0 4px 12px rgba(0,0,0,0.07);
    --transition: all 0.3s cubic-bezier(.4,0,.2,1);
}

body {
    font-family: 'Inter', Arial, sans-serif;
    background: var(--bg-secondary);
    color: var(--text-primary);
    margin: 0;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

.header {
    background: var(--primary-color);
    color: #fff;
    padding: 1.5rem 0;
    box-shadow: var(--shadow);
}

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

.logo {
    font-size: 1.7rem;
    font-weight: bold;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav {
    display: flex;
    gap: 1rem;
}

.nav-btn {
    background: rgba(255,255,255,0.1);
    border: none;
    color: #fff;
    padding: 0.6rem 1.3rem;
    border-radius: var(--radius);
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}
.nav-btn:hover {
    background: #fff;
    color: var(--primary-color);
}

/* ===== GUMROAD BUTTON STYLES ===== */

/* Header Gumroad Button */
.gumroad-header-btn {
    background: #ff6b6b !important;
    color: white !important;
    border: none !important;
    margin-left: 15px;
    font-weight: bold;
    transition: var(--transition);
}

.gumroad-header-btn:hover {
    background: #ff5252 !important;
    color: white !important;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 107, 107, 0.4);
}

/* Hero CTA Section */
.hero-cta {
    margin: 40px 0;
    text-align: center;
}

.cta-highlight {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    padding: 40px 30px;
    border-radius: var(--radius);
    color: white;
    box-shadow: var(--shadow);
    border: 1px solid rgba(255,255,255,0.1);
}

.cta-highlight h3 {
    font-size: 2em;
    margin-bottom: 15px;
    font-weight: 800;
}

.cta-highlight p {
    font-size: 1.2em;
    margin-bottom: 25px;
    opacity: 0.9;
}

.gumroad-button-hero {
    display: inline-block;
    background: #ff6b6b;
    color: white !important;
    padding: 18px 35px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: bold;
    font-size: 18px;
    transition: var(--transition);
    box-shadow: 0 8px 25px rgba(255, 107, 107, 0.4);
    margin-bottom: 20px;
    border: none;
}

.gumroad-button-hero:hover {
    background: #ff5252;
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(255, 107, 107, 0.6);
}

.hero-benefits {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    margin-top: 15px;
}

.hero-benefits span {
    background: rgba(255,255,255,0.2);
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 0.9em;
}

/* Main CTA Section */
.main-cta-section {
    margin: 60px 0;
}

.main-cta {
    background: linear-gradient(135deg, #ff6b6b 0%, #ff8a80 100%);
    padding: 50px 30px;
    border-radius: var(--radius);
    text-align: center;
    color: white;
    box-shadow: var(--shadow);
}

.cta-content h2 {
    font-size: 2.5em;
    margin-bottom: 15px;
    font-weight: 800;
}

.cta-content p {
    font-size: 1.2em;
    margin-bottom: 15px;
    opacity: 0.95;
}

.gumroad-button-main {
    display: inline-block;
    background: white;
    color: #ff6b6b !important;
    padding: 20px 40px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: bold;
    font-size: 20px;
    transition: var(--transition);
    box-shadow: 0 8px 30px rgba(0,0,0,0.2);
    margin: 20px 0;
    border: none;
}

.gumroad-button-main:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.3);
    background: #f8f8f8;
}

.guarantee {
    margin-top: 25px;
}

.guarantee p {
    font-size: 1em;
    margin: 8px 0;
    opacity: 0.9;
}

/* Preview CTA */
.preview-cta {
    margin-top: 30px;
    padding: 20px 0;
    border-top: 2px solid var(--border-color);
}

.cta-box {
    background: var(--bg-color);
    padding: 25px;
    border-radius: var(--radius);
    text-align: center;
    border: 2px dashed var(--primary-color);
    box-shadow: var(--shadow);
}

.cta-box h4 {
    color: var(--text-primary);
    margin-bottom: 10px;
    font-size: 1.3em;
}

.cta-box p {
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.gumroad-button-preview {
    display: inline-block;
    background: var(--primary-color);
    color: white !important;
    padding: 15px 30px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: bold;
    transition: var(--transition);
    border: none;
}

.gumroad-button-preview:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

/* Floating Button */
.floating-cta {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
}

.gumroad-button-floating {
    display: block;
    background: #ff6b6b;
    color: white !important;
    padding: 15px 25px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: bold;
    font-size: 16px;
    box-shadow: 0 6px 25px rgba(0,0,0,0.3);
    transition: var(--transition);
    animation: pulse 3s infinite;
    border: none;
}

.gumroad-button-floating:hover {
    background: #ff5252;
    transform: scale(1.05);
}

@keyframes pulse {
    0% { box-shadow: 0 6px 25px rgba(255, 107, 107, 0.3); }
    50% { box-shadow: 0 6px 25px rgba(255, 107, 107, 0.8); }
    100% { box-shadow: 0 6px 25px rgba(255, 107, 107, 0.3); }
}

/* ===== FINE GUMROAD STYLES ===== */

.main {
    padding: 2.5rem 0 2rem 0;
    min-height: 80vh;
}

.hero {
    text-align: center;
    margin-bottom: 2.5rem;
}
.hero h2 {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 0.7rem;
    letter-spacing: -1px;
}
.hero p {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin: 0 auto;
    max-width: 600px;
}

.generator-form {
    max-width: 500px;
    margin: 0 auto;
}

.form-card {
    background: var(--bg-color);
    border-radius: var(--radius);
    padding: 2rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    margin-bottom: 1.5rem;
}

.form-card h3 {
    text-align: center;
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
    color: var(--primary-color);
}

.input-group {
    margin-bottom: 1.3rem;
}
.input-group label {
    font-weight: 600;
    margin-bottom: 0.4rem;
    display: block;
}
.input-group input,
.input-group select {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    font-size: 1rem;
    margin-top: 0.2rem;
}

.btn-primary, .btn-secondary {
    padding: 0.85rem 1.5rem;
    border-radius: var(--radius);
    border: none;
    font-size: 1.05rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.btn-primary {
    background: linear-gradient(90deg, var(--primary-color), var(--primary-dark));
    color: #fff;
    box-shadow: var(--shadow);
}
.btn-primary:hover {
    background: var(--accent-color);
    color: #fff;
}
.btn-secondary {
    background: var(--bg-secondary);
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}
.btn-secondary:hover {
    background: var(--primary-color);
    color: #fff;
}

.btn-full {
    width: 100%;
    justify-content: center;
}

.exclusivity-note {
    background: var(--bg-secondary);
    border-left: 4px solid var(--primary-color);
    border-radius: var(--radius);
    padding: 1rem 1.2rem;
    font-size: 1rem;
    color: var(--primary-dark);
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.progress-section {
    max-width: 500px;
    margin: 2rem auto;
}
.progress-card {
    background: var(--bg-color);
    border-radius: var(--radius);
    padding: 2rem;
    box-shadow: var(--shadow);
    text-align: center;
}
.progress-header h3 {
    color: var(--primary-color);
    font-size: 1.2rem;
}
.progress-bar {
    background: var(--bg-secondary);
    border-radius: 30px;
    height: 12px;
    overflow: hidden;
    margin: 1rem 0 0.7rem 0;
}
.progress-fill {
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    height: 100%;
    width: 0%;
    transition: width 0.5s ease;
    border-radius: 30px;
}
.progress-stats {
    display: flex;
    justify-content: space-between;
    font-size: 0.98rem;
    color: var(--text-secondary);
}

.preview-section {
    max-width: 700px;
    margin: 2rem auto;
}
.preview-card {
    background: var(--bg-color);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    border: 1px solid var(--border-color);
}
.preview-header {
    padding: 1.3rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}
.preview-actions {
    display: flex;
    gap: 0.7rem;
    flex-wrap: wrap;
}
.preview-content {
    padding: 2rem 1.5rem 1.2rem 1.5rem;
}
.ebook-preview {
    background: var(--bg-secondary);
    border-radius: var(--radius);
    padding: 1.5rem;
    min-height: 120px;
    border: 1px solid var(--border-color);
    font-family: Georgia, serif;
    line-height: 1.7;
    margin-bottom: 1.2rem;
}
.ownership-note {
    background: #e0f2fe;
    color: #0369a1;
    border-radius: var(--radius);
    padding: 0.7rem 1rem;
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 0.7rem;
}
.ownership-note .small {
    font-size: 0.95em;
    color: #0e7490;
}

.library-header {
    text-align: center;
    margin-bottom: 2rem;
}
.library-header h2 {
    font-size: 1.5rem;
    color: var(--primary-color);
}
.email-input {
    max-width: 400px;
    margin: 0 auto 2rem;
    display: flex;
    gap: 0.7rem;
}
.email-input input {
    flex: 1;
    padding: 0.7rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    font-size: 1rem;
}
.ebooks-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
    gap: 1.3rem;
}
.ebook-card {
    background: var(--bg-color);
    border-radius: var(--radius);
    padding: 1.2rem 1rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}
.ebook-card:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 24px rgba(0,0,0,0.11);
}
.ebook-card h4 {
    margin-bottom: 0.3rem;
    color: var(--primary-color);
}
.ebook-card p {
    color: var(--text-secondary);
    font-size: 0.97rem;
    margin-bottom: 0.6rem;
}
.ebook-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.modal {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.5);
    display: flex; align-items: center; justify-content: center;
    z-index: 1000;
}
.modal-content {
    background: var(--bg-color);
    border-radius: var(--radius);
    max-width: 450px;
    width: 95%;
    box-shadow: var(--shadow);
    animation: modalSlideIn 0.3s ease;
}
@keyframes modalSlideIn {
    from { opacity: 0; transform: translateY(-20px) scale(0.95);}
    to { opacity: 1; transform: translateY(0) scale(1);}
}
.modal-header {
    padding: 1.3rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.modal-close {
    background: none;
    border: none;
    font-size: 1.3rem;
    cursor: pointer;
    color: var(--text-secondary);
    padding: 0.2rem 0.5rem;
    border-radius: var(--radius);
    transition: var(--transition);
}
.modal-close:hover {
    background: var(--bg-secondary);
    color: var(--primary-color);
}
.modal-body {
    padding: 1.5rem;
}
.payment-summary {
    background: var(--bg-secondary);
    padding: 1.2rem;
    border-radius: var(--radius);
    margin-bottom: 1.2rem;
    border: 1px solid var(--border-color);
}
.payment-summary h4 {
    margin-bottom: 0.4rem;
    color: var(--primary-color);
}
.payment-features {
    margin-top: 0.8rem;
}
.feature {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1rem;
    margin-bottom: 0.3rem;
}
.feature i {
    color: var(--accent-color);
}
.card-element {
    padding: 0.8rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    margin-bottom: 1rem;
    background: var(--bg-color);
}
.card-errors {
    color: var(--danger-color);
    font-size: 0.98rem;
    margin-bottom: 0.8rem;
}
.payment-security {
    margin-top: 1.2rem;
    text-align: center;
}
.security-badges {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 0.5rem;
}
.badge {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.95rem;
    color: var(--text-secondary);
}
.payment-security p {
    font-size: 0.97rem;
    color: var(--text-secondary);
    margin: 0;
}
.success-icon {
    font-size: 3.5rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
}
.text-center { text-align: center; }

.loading-overlay {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(255,255,255,0.94);
    display: flex; align-items: center; justify-content: center;
    z-index: 2000;
    backdrop-filter: blur(4px);
}
.loading-content {
    text-align: center;
}
.loading-spinner {
    width: 50px; height: 50px;
    border: 4px solid var(--bg-secondary);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}
@keyframes spin { 0% { transform: rotate(0deg);} 100% { transform: rotate(360deg);} }
.loading-content p { color: var(--text-secondary); font-weight: 500; }

.footer {
    background: var(--primary-dark);
    color: #fff;
    padding: 2.5rem 0 1.1rem 0;
    margin-top: 3rem;
}
.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2.5rem;
    margin-bottom: 1.2rem;
}
.footer-section h4, .footer-section h5 { color: #fff; margin-bottom: 0.7rem;}
.footer-section ul { list-style: none; padding: 0;}
.footer-section li { margin-bottom: 0.25rem;}
.footer-section a { color: #c7d2fe; text-decoration: none;}
.footer-section a:hover { color: #fff;}
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.13);
    padding-top: 0.8rem;
    text-align: center;
    color: #b3bcf5;
    font-size: 0.97rem;
}
.hidden { display: none !important; }

/* Responsive Styles */
@media (max-width: 700px) {
    .container { padding: 0 10px;}
    .header-content { flex-direction: column; gap: 1rem;}
    .ebooks-grid { grid-template-columns: 1fr;}
    .footer-content { grid-template-columns: 1fr;}
    
    /* Gumroad Mobile Responsive */
    .hero-benefits {
        flex-direction: column;
        align-items: center;
    }
    
    .main-cta {
        padding: 30px 20px;
    }
    
    .cta-content h2 {
        font-size: 2em;
    }
    
    .gumroad-button-main {
        padding: 15px 30px;
        font-size: 18px;
    }
    
    .floating-cta {
        bottom: 15px;
        right: 15px;
    }
    
    .gumroad-header-btn {
        display: none; /* Nascondi su mobile per spazio */
    }
    
    .cta-highlight {
        padding: 30px 20px;
    }
    
    .cta-highlight h3 {
        font-size: 1.6em;
    }
}
/* ===== STATS BANNER CONTATORE ===== */
.stats-banner {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin: 30px 0;
    padding: 25px;
    background: rgba(95, 93, 247, 0.05);
    border-radius: var(--radius);
    border: 1px solid rgba(95, 93, 247, 0.1);
    box-shadow: var(--shadow);
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 2em;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.stat-label {
    font-size: 0.9em;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 500;
}

.ebook-counter {
    color: #ff6b6b;
    font-weight: 800;
    transition: all 0.3s ease;
}

@keyframes countUp {
    0% { 
        transform: scale(1); 
        color: #ff6b6b;
    }
    50% { 
        transform: scale(1.1); 
        color: #ff5252;
    }
    100% { 
        transform: scale(1); 
        color: #ff6b6b;
    }
}

/* Responsive per mobile */
@media (max-width: 768px) {
    .stats-banner {
        flex-direction: column;
        gap: 20px;
        padding: 20px;
    }
    
    .stat-number {
        font-size: 1.8em;
    }
    
    .stat-label {
        font-size: 0.8em;
    }
}

@media (max-width: 480px) {
    .stats-banner {
        gap: 15px;
        padding: 15px;
    }
    
    .stat-number {
        font-size: 1.6em;
    }
}