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

body {
    font-family: 'Nunito', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: #333;
    background-color: #ffffff;
    line-height: 1.6;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

h2 {
    font-size: 2.5rem; 
    line-height: 1.2;
    margin-bottom: 12px;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.btn-login {
    background-color: #F1F1F5;
    color: #333;
}

.header {
    padding: 24px 0;
}

.logo {
    font-weight: 700;
    font-size: 1.25rem;
    color: #000;
}
.nav-main ul {
    display: flex;
    gap: 32px;
}
.nav-main a {
    color: #555;
    font-weight: 500;
    font-size: 0.9rem;
}
.header-buttons {
    display: flex;
    gap: 12px;
}


.checkbox-container {
  display: flex;            
  align-items: flex-start;  
  margin-bottom: 15px;      
  gap: 10px;             
  grid-column: 1 / -1;
}


.checkbox-container input[type="checkbox"] {
  margin-top: 4px;          
  cursor: pointer;
  width: 16px;
  height: 16px;
  flex-shrink: 0;           
}


.checkbox-container label {
  font-size: 12px;          
  color: #555;            
  line-height: 1.4;        
  cursor: pointer;          
  text-align: left;
}


.checkbox-container label a {
  color: #1e40af;           
  text-decoration: underline;
  font-weight: 600;
}

.split-hero {
    padding: 80px 0;
}


.split-hero-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 80px;
    align-items: center;
}

.hero-content-left p {
    margin-bottom: 25px;
    color: #555;
}
.feature-list {
    list-style: none;
    padding: 0;
}
.feature-list li {
    position: relative;
    padding-left: 28px;
    margin-bottom: 15px;
    color: #555;
    font-weight: 500;
}
.feature-list li::before {
    content: '✓'; 
    color: #5D5D8D;
    font-size: 1.2em;
    font-weight: bold;
    position: absolute;
    left: 0;
    top: 0;
    line-height: 1.2;
}

.hero-form-wrapper {
    background-color: #F5F5FA;
    border-radius: 20px;
    padding: 40px;
}

.form-grid-2col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px 20px;
}

.form-group-split label {
    display: block;
    margin-bottom: 6px;
    font-size: 0.9rem;
    font-weight: 600;
}
.signup-form input {
    width: 100%;
    padding: 12px 15px;
    border: none;
    border-radius: 8px;
    font-size: 0.95rem;
    box-shadow: 0 0 0 1px #EAEAEA;
}

.btn-full {
    width: 100%;
    margin-top: 15px;
    padding: 14px 20px;
}

/* --- Tablet (max-width: 992px) --- */
@media (max-width: 992px) {
    .nav-main {
        display: none;
    }

    h2 {
        font-size: 2.2rem;
    }
    
    .split-hero-grid {
        grid-template-columns: 1fr; /* Colonna singola */
        gap: 40px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
    #footer-about {
        grid-column: 1 / -1; 
        text-align: center;
    }
}


/* --- Smartphone (max-width: 768px) --- */
@media (max-width: 768px) {
    

    h2 {
        font-size: 1.8rem;
    }
    
    .hero-form-wrapper {
        padding: 30px 20px;
    }
    
    
    .form-grid-2col {
        grid-template-columns: 1fr;
        gap: 15px 0;
    }

    .footer {
        padding: 60px 0 40px 0;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
}