:root {
    /* Color Palette derived from Flutter App */
    --color-primary: #FF5A26;
    --color-primary-hover: #e04b1e;
    --color-primary-light: rgba(255, 90, 38, 0.1);
    --color-accent: #FF8A00;
    
    /* Light Theme */
    --color-bg-light: #F8F9FA;
    --color-surface-light: #FFFFFF;
    --color-text-dark: #111111;
    --color-text-light: #757575;
    
    /* Dark Theme */
    --color-bg-dark: #09090B;
    --color-surface-dark: #141416;
    --color-text-white: #FFFFFF;
    --color-text-white-dim: rgba(255,255,255,0.7);
    --color-border-dark: rgba(255,255,255,0.12);
    
    /* Fonts */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Geometry */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-bg-dark); /* Using dark theme as default for modern premium look */
    color: var(--color-text-white);
    line-height: 1.6;
    overflow-x: hidden;
}

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

.text-left {
    text-align: left !important;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    letter-spacing: -1px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    font-weight: 700;
    font-family: var(--font-body);
    text-decoration: none;
    transition: var(--transition-normal);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background-color: var(--color-primary);
    color: #fff;
    box-shadow: 0 8px 24px rgba(255, 90, 38, 0.3);
}

.btn-primary:hover {
    background-color: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(255, 90, 38, 0.4);
}

.btn-outline {
    background-color: transparent;
    color: #fff;
    border: 1.5px solid rgba(255,255,255,0.24);
}

.btn-outline:hover {
    background-color: rgba(255,255,255,0.05);
    border-color: #fff;
}

.btn-large {
    padding: 16px 32px;
    font-size: 1.125rem;
}

.btn-massive {
    padding: 20px 48px;
    font-size: 1.25rem;
    border-radius: var(--radius-lg);
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition-normal);
}

.navbar.scrolled {
    background-color: rgba(9, 9, 11, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 15px 0;
    border-bottom: 1px solid var(--color-border-dark);
}

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

.nav-logo {
    height: 96px;
    width: 96px;
    display: block;
    border-radius: 16px; /* Bordo quadrato con angoli smussati */
    object-fit: contain; /* L'immagine non viene più tagliata per riempire lo spazio */
    object-position: center; 
    border: 2px solid rgba(255, 90, 38, 0.2); 
    background-color: transparent; 
}

.footer-brand .nav-logo {
    margin-bottom: 16px;
    height: 80px;
    width: 80px;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 900;
    letter-spacing: -1px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-links a {
    color: var(--color-text-white-dim);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-fast);
}

.nav-links a:hover {
    color: #fff;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    position: relative;
    background: radial-gradient(circle at top right, rgba(255, 90, 38, 0.15), transparent 50%),
                radial-gradient(circle at bottom left, rgba(0, 229, 255, 0.1), transparent 50%);
}

.hero-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 60px;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.badge {
    display: inline-block;
    padding: 8px 16px;
    background-color: var(--color-primary-light);
    color: var(--color-primary);
    border-radius: 100px;
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: 24px;
    border: 1px solid rgba(255, 90, 38, 0.2);
}

.hero-title {
    font-size: 5.5rem;
    line-height: 1.05;
    margin-bottom: 24px;
    font-weight: 800;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-white-dim);
    margin-bottom: 40px;
}

.hero-cta {
    display: flex;
    gap: 16px;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    position: relative;
}

/* Phone Mockup */
.phone-mockup {
    width: 300px;
    height: 620px;
    background-color: var(--color-surface-dark);
    border-radius: 40px;
    padding: 12px;
    border: 4px solid #2a2a2a;
    box-shadow: 0 24px 64px rgba(0,0,0,0.5), 0 0 0 1px var(--color-border-dark);
    position: relative;
    transform: rotate(-5deg);
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.phone-mockup:hover {
    transform: rotate(0deg) scale(1.05);
}

.mockup-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 28px;
    display: block;
    background-color: transparent;
    filter: brightness(1.15) contrast(1.05);
}

/* Sections Common */
section {
    padding: 100px 0;
}

.section-title {
    font-size: 3.8rem;
    text-align: center;
    margin-bottom: 16px;
    font-weight: 800;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-white-dim);
    text-align: center;
    margin-bottom: 60px;
    max-width: 600px;
    margin-inline: auto;
}

/* Features */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.glass-card {
    background: rgba(20, 20, 22, 0.6);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--color-border-dark);
    border-radius: var(--radius-lg);
    padding: 40px;
    transition: var(--transition-normal);
    position: relative;
    z-index: 1;
}

.glass-card:hover {
    transform: translateY(-10px);
    border-color: rgba(255, 90, 38, 0.3);
    background: rgba(20, 20, 22, 0.9);
    z-index: 10; /* Porta la card in primo piano durante l'hover */
}

.feature-icon {
    width: 60px;
    height: 60px;
    background-color: var(--color-primary-light);
    color: var(--color-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.feature-card h3 {
    font-size: 1.75rem;
    margin-bottom: 12px;
    font-weight: 700;
}

.feature-card p {
    color: var(--color-text-white-dim);
    margin-bottom: 24px;
}

.feature-img {
    width: 100%;
    height: 350px;
    object-fit: contain;
    object-position: center;
    border-radius: var(--radius-sm);
    opacity: 1;
    filter: brightness(1.15) contrast(1.05);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.4s ease;
    border: 1px solid rgba(255,255,255,0.05);
    transform-origin: top center; /* Ancora l'immagine in alto così cresce verso il basso */
}

.feature-card:hover .feature-img {
    transform: scale(1.7) translateY(10px); /* L'immagine cresce verso il basso e non copre il testo */
    box-shadow: 0 40px 80px rgba(0,0,0,0.9);
    background-color: var(--color-bg-dark);
    border: 1px solid rgba(255, 90, 38, 0.5);
    border-radius: 16px;
    position: relative;
    z-index: 100;
}

/* How it Works */
.how-it-works {
    background-color: #0c0c0e;
}

.hiw-grid {
    display: flex;
    align-items: center;
    gap: 60px;
}

.hiw-image {
    flex: 1;
}

.hiw-image .phone-mockup {
    transform: rotate(5deg);
}

.hiw-content {
    flex: 1;
}

.step {
    display: flex;
    gap: 20px;
    margin-bottom: 40px;
}

.step-number {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    background-color: var(--color-primary);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
}

.step-text h4 {
    font-size: 1.25rem;
    margin-bottom: 8px;
}

.step-text p {
    color: var(--color-text-white-dim);
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, rgba(255,90,38,0.2) 0%, rgba(9,9,11,1) 100%);
    position: relative;
    overflow: hidden;
}

.cta-title {
    font-size: 4.2rem;
    margin-bottom: 24px;
    font-weight: 800;
}

.cta-subtitle {
    font-size: 1.25rem;
    margin-bottom: 40px;
    color: var(--color-text-white-dim);
}

.cta-note {
    margin-top: 16px;
    font-size: 0.875rem;
    color: var(--color-text-white-dim);
}

/* Azienda */
.azienda-section {
    background-color: var(--color-bg-dark);
}

/* FAQ Section */
.faq-section {
    background-color: var(--color-surface-dark);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    background-color: var(--color-bg-dark);
    border: 1px solid var(--color-border-dark);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition-fast);
}

.faq-item.active {
    border-color: var(--color-primary);
    box-shadow: 0 8px 24px rgba(255, 90, 38, 0.1);
}

.faq-question {
    padding: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
}

.faq-question h4 {
    font-size: 1.25rem;
    font-family: var(--font-body);
    font-weight: 600;
    margin: 0;
}

.faq-question i {
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
    color: var(--color-primary);
}

.faq-answer {
    padding: 0 24px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-item.active .faq-answer {
    padding: 0 24px 24px 24px;
    max-height: 300px;
}

.faq-answer p {
    color: var(--color-text-white-dim);
}

/* Footer */
footer {
    border-top: 1px solid var(--color-border-dark);
    padding-top: 60px;
    background-color: #050505;
}

.footer-container {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand p {
    color: var(--color-text-white-dim);
    margin-top: 16px;
    max-width: 300px;
}

.footer-links h4, .footer-social h4 {
    font-family: var(--font-heading);
    margin-bottom: 20px;
    font-size: 1.25rem;
}

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

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: var(--color-text-white-dim);
    text-decoration: none;
    transition: var(--transition-fast);
}

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

.social-icons {
    display: flex;
    gap: 16px;
}

.social-icons a {
    color: var(--color-text-white-dim);
    background-color: var(--color-surface-dark);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition-fast);
}

.social-icons a:hover {
    color: #fff;
    background-color: var(--color-primary);
}

.footer-bottom {
    text-align: center;
    padding: 24px 0;
    border-top: 1px solid var(--color-border-dark);
    color: var(--color-text-white-dim);
    font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 992px) {
    .hero-container {
        flex-direction: column;
        text-align: center;
        padding-top: 40px;
    }
    
    .hero-title {
        font-size: 4rem;
    }
    
    .section-title {
        font-size: 3rem;
    }
    
    .cta-title {
        font-size: 3rem;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .hiw-grid {
        flex-direction: column-reverse;
    }
    
    .section-title.text-left, .section-subtitle.text-left {
        text-align: center !important;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-brand p {
        margin-inline: auto;
    }
    
    .social-icons {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .section-title, .cta-title {
        font-size: 2.2rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .phone-mockup {
        width: 260px;
        height: 540px;
    }
}