/* --- Reset e Variabili Globali --- */
:root {
    --primary-color: #D32F2F; /* Un rosso forte e deciso, simile al logo */
    --secondary-color: #333333;
    --background-color: #FFFFFF;
    --light-gray: #f4f4f4;
    --text-color: #212121;
    --font-family: 'Poppins', sans-serif;
}

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

body {
    font-family: var(--font-family);
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
}

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

/* --- Navbar --- */
.navbar {
    background-color: var(--background-color);
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.nav-logo img {
    height: 40px;
    display: block;
}

.nav-menu {
    list-style: none;
    display: flex;
    gap: 2rem;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 600;
    transition: color 0.3s ease;
}

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

.nav-toggle {
    display: none;
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
}

.nav-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--text-color);
    transition: all 0.3s ease;
}

/* --- Hero Section --- */
.hero {
    background-image: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('https://placehold.co/1920x1080/212121/FFFFFF?text=Immagine+di+Persone+Unite');
    background-size: cover;
    background-position: center;
    color: white;
    text-align: center;
    padding: 120px 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 80vh;
}

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

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    font-weight: 400;
}

/* --- Pulsanti --- */
.btn {
    padding: 12px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background-color: #B71C1C;
    transform: translateY(-3px);
}

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

.btn-secondary:hover {
    background-color: #000000;
    transform: translateY(-3px);
}

/* --- Sezioni Generiche --- */
section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 4rem;
    color: var(--secondary-color);
}

/* --- Sezione Validazione --- */
.validation-section {
    background-color: var(--light-gray);
    text-align: center;
}

.progress-container {
    max-width: 600px;
    margin: 2rem auto 0 auto;
}

.progress-bar {
    background-color: #e0e0e0;
    border-radius: 20px;
    height: 30px;
    width: 100%;
    overflow: hidden;
    margin: 1rem 0;
}

.progress {
    background-color: var(--primary-color);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 0.9rem;
}

/* --- Sezione Come Funziona --- */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    text-align: center;
}

.step {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
}

.step-icon {
    width: 60px;
    height: 60px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1.5rem auto;
}

.step h3 {
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

/* --- Sezione CTA (Lista d'attesa) --- */
.cta-section {
    background-color: var(--secondary-color);
    color: white;
    text-align: center;
}

.cta-section h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.waiting-list-form {
    margin-top: 2rem;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.waiting-list-form input {
    padding: 15px;
    border-radius: 50px;
    border: none;
    min-width: 300px;
    font-family: var(--font-family);
}

.waiting-list-form .btn-secondary {
    background-color: var(--primary-color);
}
.waiting-list-form .btn-secondary:hover {
    background-color: #B71C1C;
}


/* --- Footer --- */
.footer {
    background-color: #1a1a1a;
    color: #ccc;
    padding: 2rem 0;
    text-align: center;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.social-links a {
    color: white;
    text-decoration: none;
    margin: 0 0.5rem;
    font-weight: 600;
}

/* --- Responsive Design --- */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .nav-menu {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 65px;
        left: 0;
        width: 100%;
        background-color: white;
        box-shadow: 0 2px 5px rgba(0,0,0,0.1);
        text-align: center;
        padding: 1rem 0;
    }

    .nav-menu.show-menu {
        display: flex;
    }

    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }

    .footer-content {
        flex-direction: column;
    }
}