:root {
    --primary-orange: #D97706;
    --text-dark: #2d2d2d;
    --text-light: #666;
    --bg-light: #fdfdfd;
    --white: #ffffff;
}


body {
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-light);
    color: var(--text-dark);
    margin: 0;
    line-height: 1.6;
}


* {
    box-sizing: border-box;
}

.main-header{
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 5px 2%;
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.logo-container{
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-text{
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px
}

.habit-part{
    color: var(--text-dark);
}

.flow-part{
    color: var(--primary-orange);
}

.logo-container img{
    height: 32px;
    width: auto;
    display: block;
}

.nav-list{
    display: flex;
    list-style: none;
    gap: 25px;
    align-items: center;
}

.nav-list a{
    text-decoration: none;
    color: var(--text-light);   
    font-weight: 500;
}

.hero-section{
    text-align: center;
    padding: 20px;
}

.main-title{
    font-size: 2rem;
    color: var(--text-dark);
    margin-bottom: 2px;
}

.subtitle{
    font-size: 1rem;
    color: var(--text-light);
    margin-top: 2px;
}

.contact-section{
    max-width: 500px;
    margin:0 auto 50px auto;
    background-color: var(--white);
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    border-top: 7px solid var(--primary-orange);
}

.form-group{
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
}

.form-group label{
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-dark);
}

input, select, textarea{
    width: 100%;                
    padding: 12px 15px;         
    border: 1px solid #e1e1e1;  
    border-radius: 8px;         
    font-family: inherit;       
    font-size: 1rem;
    background-color: #f9f9f9
}

.submit-btn{
    width: 100%;                  
    background-color: var(--text-dark); 
    color: var(--white);          
    padding: 12px 20px;           
    border: none;                 
    border-radius: 8px;          
    font-size: 0.9rem;            
    font-weight: 600;             
    margin-top: 10px;            
}

.mainfooter{
    text-align: center;
    padding: 20px 20px;
    color: var(--text-light);
    font-size: 0.9rem;       
    border-top: 1px solid #eeeeee;  
    margin-top: 20px;
}

.form-fade-out {
    opacity: 0;
    transition: opacity 0.4s ease;
}


.thank-you-message {
    text-align: center;
    padding: 40px;
    animation: fadeIn 0.8s ease-out; 
}

.thank-you-message img {
    width: 60px;
    margin-bottom: 20px;
}

.thank-you-message h2 {
    color: #a3622d; 
    margin-bottom: 10px;
}

.thank-you-message p {
    color: #555;
    margin-bottom: 25px;
}


@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hamburger {
    display: none;            
    cursor: pointer;          
    background: none;       
    border: none;             
    padding: 0;               
    z-index: 10;              
}

.hamburger span {
    display: block;          
    width: 25px;              
    height: 3px;              
    margin: 5px 0;           
    background-color: var(--text-dark);
    transition: 0.4s;         
}

@media screen and (max-width: 768px){
    .contact-section {
        max-width: 90%; 
        padding: 30px; 
    }

    .main-title {
        font-size: 1.75rem; 
    }

    .contact-section {
        max-width: 90%; 
        padding: 30px; 
    }

    .main-title {
        font-size: 1.75rem; 
    }

    .popup-message {
        width: 80%;
        padding: 20px;
        font-size: 1.1rem;
    }

}

@media screen and (max-width: 480px) {

    
    .main-header {
        padding: 15px;
        
    }

    .hamburger{
        display: block;
    }

    .main-nav {
        position: fixed;
        top: 0;
        right: -100%; 
        width: 100%;
        height: 100vh;
        background-color: white;
        transition: 0.4s ease-in-out;
        z-index: 9;
    }

    .main-nav.active{
        right: 0;
    }

    .nav-list {
        flex-direction: column; 
        width: 100%;
        gap: 25px;
        padding: 0;
        height: 100%;
        justify-content: center;
        align-items: center;
        display: flex;
    }

    .nav-list li {
        width: 100%;
        text-align: center;
        border-bottom: 1px solid #f0f0f0; 
        padding-bottom: 5px;
    }

    .contact-section {
        max-width: 100%;       
        margin: 0 0 30px 0;    
        border-radius: 0;     
        border-top: 5px solid var(--primary-orange); 
        padding: 20px;         
        box-shadow: none;      
    }

    .form-group input, 
    .form-group select, 
    .form-group textarea {
        font-size: 16px; 
    }

    .submit-btn {
        padding: 15px; 
    }

    .popup-message {
        width: 95%; 
        margin: 10px auto;
        font-size: 16px; 
        padding: 15px;
        text-align: center;
    }

}