:root {
    --primary: #006874;
    --on-primary: #FFFFFF;
    --surface: #F8FDFF;
    --on-surface: #191C1D;
    --surface-container: #ECEFF0;
    --surface-container-low: #F0F4F5;
    --secondary: #4A6266;
    --outline: #6F797A;
    
    --radius-xxl: 32px;
    --radius-xl: 24px;
    
    --spring: cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@font-face {
    font-family: 'GoogleSansFlex';
    src: url('assets/fonts/GoogleSansFlex.ttf') format('truetype');
}

@font-face {
    font-family: 'Funnel Display';
    src: url('assets/fonts/FunnelDisplay-VariableFont_wght.ttf') format('truetype');
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: 'GoogleSansFlex', sans-serif;
    background-color: var(--surface);
    color: var(--on-surface);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* Navbar */
nav {
    padding: 24px 0;
    display: flex;
    justify-content: center;
    position: relative;
}

.lang-switch {
    position: absolute;
    right: 24px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    background: var(--surface-container);
    padding: 4px;
    border-radius: 100px;
}

.lang-btn {
    border: none;
    background: transparent;
    padding: 6px 16px;
    border-radius: 100px;
    font-weight: 600;
    font-size: 0.8rem;
    cursor: pointer;
    color: var(--secondary);
}

.lang-btn.active {
    background: var(--primary);
    color: var(--on-primary);
}

/* Logo & Hero */
.logo {
    font-family: 'Funnel Display', sans-serif;
    font-weight: 900;
    font-size: 5rem;
    color: var(--primary);
    letter-spacing: -3px;
    text-align: center;
    margin-bottom: 8px;
}

.hero {
    text-align: center;
    padding: 60px 0 100px;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    letter-spacing: -1.5px;
    margin-bottom: 24px;
    line-height: 1.1;
}

.hero p {
    font-size: 1.4rem;
    color: var(--secondary);
    max-width: 700px;
    margin: 0 auto 48px;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.btn-primary {
    display: inline-flex;
    background: var(--primary);
    color: var(--on-primary);
    padding: 20px 48px;
    border-radius: var(--radius-xl);
    text-decoration: none;
    font-weight: 700;
    font-size: 1.25rem;
    transition: transform 0.4s var(--spring);
    align-items: center;
}

.btn-outline {
    display: inline-flex;
    background: transparent;
    color: var(--primary);
    padding: 20px 48px;
    border-radius: var(--radius-xl);
    border: 2px solid var(--outline);
    text-decoration: none;
    font-weight: 700;
    font-size: 1.25rem;
    transition: all 0.4s var(--spring);
    align-items: center;
}

.btn-primary:hover, .btn-outline:hover { transform: scale(1.05); }
.btn-primary:active, .btn-outline:active { transform: scale(0.95); }
.btn-outline:hover { border-color: var(--primary); background: var(--surface-container-low); }

/* Showcase - Full size, no clipping */
.showcase-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 120px;
}

.phone-mockup {
    background: #000;
    border-radius: 40px;
    border: 8px solid #191C1C;
    aspect-ratio: 9 / 19.5;
    overflow: hidden;
    box-shadow: 0 12px 48px rgba(0,0,0,0.1);
}

.phone-mockup img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Features - No borders, colored containers */
.features-section {
    padding-bottom: 120px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--surface-container-low);
    padding: 48px;
    border-radius: var(--radius-xxl);
    /* No border */
}

.feature-card h3 {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.feature-card p {
    font-size: 1.2rem;
    color: var(--secondary);
}

/* Footer */
footer {
    padding: 80px 0;
    text-align: center;
    border-top: 1px solid var(--surface-container);
}

footer .logo { font-size: 2rem; margin-bottom: 24px; }
footer a { color: var(--primary); text-decoration: none; font-weight: 600; }
footer p { color: var(--outline); font-size: 0.95rem; margin-bottom: 8px; }

/* Translation Logic - Fixed */
body[lang="it"] .lang-en { display: none; }
body[lang="en"] .lang-it { display: none; }

/* Ensure elements are visible by default when their language matches */
body[lang="it"] .lang-it { display: block; }
body[lang="en"] .lang-en { display: block; }

/* Special handling for inline-flex/inline elements if needed */
body[lang="it"] a.lang-it, body[lang="it"] span.lang-it { display: inline-flex; }
body[lang="en"] a.lang-en, body[lang="en"] span.lang-en { display: inline-flex; }

@media (max-width: 1000px) {
    .showcase-grid { grid-template-columns: repeat(2, 1fr); }
    .features-grid { grid-template-columns: 1fr; }
    .hero h1 { font-size: 2.5rem; }
    .logo { font-size: 3.5rem; }
}

@media (max-width: 600px) {
    .showcase-grid { 
        grid-template-columns: repeat(2, 1fr); 
        gap: 12px;
    }
    .phone-mockup {
        border-width: 4px;
        border-radius: 24px;
    }
    .hero h1 { font-size: 2.2rem; }
    .logo { font-size: 3rem; }
    .btn-primary, .btn-outline { padding: 16px 32px; font-size: 1.1rem; width: 100%; justify-content: center; }
}