:root {
    --brown-dark: #2C211A;
    --brown-med: #4A3728;  
    --white-pure: #FFFFFF;
    --white-off: #E0DED7;  
}

body {
    font-family: 'Kanit', sans-serif;
    margin: 0;
    padding: 0;
    /* Gradient */
    background: linear-gradient(135deg, var(--brown-dark) 0%, var(--brown-med) 100%);
    background-attachment: fixed; 
    color: var(--white-pure);
    min-height: 100vh;
}

/*Header*/
.landing-header .heading-sub {
    font-size: 1.1rem;
    letter-spacing: 4px; 
    color: var(--white-off); 
    font-weight: 300;
    opacity: 0.8;
}

.landing-header .heading-main {
    color: var(--white-pure);
    font-weight: 600;
    letter-spacing: 2px;
    text-shadow: 0 4px 10px rgba(0,0,0,0.3); 
}

.max-w-custom {
    max-width: 900px;
}

/*ปุ่ม*/
.landing-card-link {
    text-decoration: none;
    display: block;
}

.landing-card {
    position: relative;
    aspect-ratio: 1 / 1; 
    border-radius: 12px; 
    overflow: hidden;
    box-shadow: 0 15px 35px rgba(0,0,0,0.2); 
    transition: all 0.5s cubic-bezier(0.25, 0.8, 0.25, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    background-size: cover;
    background-position: center;
}

#card-service {
    background-image: url('../assets/fofaservice.jpg');
}

#card-gallery {
    background-image: url('https://images.unsplash.com/photo-1518998053901-5348d3961a04?q=80&w=800'); 
}

/*filterปุ่ม*/
.card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(44, 33, 26, 0.85); 
    transition: all 0.5s ease;
    z-index: 1;
}

/* ข้อความในปุ่ม */
.card-content {
    position: relative;
    z-index: 2;
    padding: 2rem;
    text-align: center;
}

.card-content h2 {
    color: var(--white-pure); 
    font-weight: 600;       
    font-size: 2rem;     
    margin-bottom: 0.5rem;
    letter-spacing: 2px; 
    text-transform: uppercase; 
    transition: all 0.5s ease;
}

.card-content .lang-th {
    color: var(--white-off); 
    font-weight: 300;
    font-size: 1.1rem;
    display: block; 
    opacity: 0.8;
    transition: all 0.5s ease;
}

/*hover*/
.landing-card:hover {
    transform: translateY(-8px); 
    box-shadow: 0 20px 40px rgba(0,0,0,0.4); 
}

.landing-card:hover .card-overlay {
    background: rgba(74, 55, 40, 0.4); 
}

.landing-card:hover .card-content h2 {
    transform: scale(1.02); 
}

.landing-card:hover .card-content .lang-th {
    opacity: 1; 
}

.landing-card:active .card-overlay {
    background: rgba(0, 0, 0, 0); 
    transition: background 0.2s;
}

/*popup*/
.custom-modal {
    border-radius: 12px;
    border: none; 
    background-color: var(--white-pure); 
    color: var(--brown-dark); 
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
}

.modal-head {
    color: var(--brown-dark); 
    font-weight: 600;
    letter-spacing: 1px;
}

.modal-text {
    color: var(--brown-med);
    font-weight: 300;
}

.btn-close-custom {
    background-color: var(--brown-dark); 
    color: var(--white-pure);          
    border-radius: 8px; 
    padding: 10px 30px;
    font-weight: 400;
    letter-spacing: 1px;
    transition: 0.3s;
    border: none;
}

.btn-close-custom:hover {
    background-color: var(--brown-med);
    color: var(--white-pure);
}


@media (max-width: 768px) {
    .landing-card {
        aspect-ratio: 4 / 3; 
    }
    .landing-header h1 {
        font-size: 2.5rem;
    }
    .card-content h2 {
        font-size: 1.5rem;
    }
    .card-content .lang-th {
        font-size: 1rem;
    }
}