body {
    background-color: var(--color-pale-gray-blue);
}

.container {
    width: 100%;
    max-width: 110rem;
    padding: 4rem;  
    display: flex;
    align-items: center;
    flex-direction: column;
    justify-content: center;
    gap: 4rem;
}

/* FAQ */
.faq {
    width: 100%;
    height: 22.4rem;
    background-color: var(--color-white);
    display: flex;
    align-items: center;
    flex-direction: column;
    justify-content: center;
    border-radius: 3rem;
    padding: 2rem;
    box-shadow: 0 0.8rem 2rem rgba(0, 0, 0, 0.2);
}

.faq-container {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 2rem;
}

.faq-area {
    display: flex;
    justify-content: center;
    align-items: center;   
}

.faq-title {
    font-size: 4.8rem;
    font-weight: 800;
}

.faq-image {
    width: 6rem;
    height: 6rem;
    margin-right: 2rem;
}

.faq-text {
    width: 50rem;
    color: var(--color-gray-dark);
    text-align: center;
    font-weight: 400;
    font-size: 2rem;
}

/* Question */
.question {
    padding: 2rem;
    width: 100%;
    height: 100%;
    background-color: var(--color-white);
    border-radius: 3rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    box-shadow: 0 0.8rem 2rem rgba(0, 0, 0, 0.2);
}

/* Filter of input */
.question-filter {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.question-filter__search {
    width: 80rem;
    padding: 2rem;
    font-size: 2rem;
    border-radius: 1rem;
    border: 0.1rem solid var(--bg-tertiary);
}

.question-filter__search:focus-within {
    box-shadow: 0 0.8rem 2rem rgba(0, 0, 0, 0.2);
    outline: 0.1rem solid var(--bg-nonary);
}

.question-filter__area {
    width: 7rem;
    height: 6.5rem;
    border-radius: 1rem;
    background-color: var(--bg-button-hover);
    display: flex;
    align-items: center;
    justify-content: center;
}

.question-filter__image {
    width: 3rem;
    height: 3rem;
}

/* Question-list */
.question-list {
    margin-top: 5rem;
}

.question-list__area {
    display: flex;
    justify-content: center;
    align-items: center;
}

.question-list__image {
    width: 3rem;
    margin-right: 2rem;
    margin-bottom: 2rem;
}

.question-list__subtitle {
    font-size: 4.8rem;
    font-weight: 600;
    margin-bottom: 2rem;
}

.question-list__line {
    width: 10rem;
    margin: auto;
    height: 0.5rem;
    background-color: var(--bg-nonary);
    margin-bottom: 5rem;
}

/* Question-infor */
.question-infor {
    width: 100%;
    display: flex;
    justify-content: center;
}

.question-infor__area {
    display: flex;
    flex-direction: column;
    border-radius: 1rem;
    border: 0.1rem solid var(--bg-tertiary);
    cursor: pointer;
    width: 100%;
}

.question-infor__title {
    cursor: pointer;
    border-radius: 1rem;
    width: 100%;
    height: 7rem;
    background-color: var(--bg-secondary);
    font-size: 2rem;
    font-weight: 500;
    text-align: center;
    display: flex;
    justify-content: center;
    align-items: center;
}

.question-infor__container {
    padding: 2rem;
    width: 100%;
    height: 100%;
}

.question-infor__text {
    text-align: justify;
    line-height: 1.5;
    font-size: 1.5rem;
    color: var(--color-gray-dark);
}

/* Question-infor__list */
.question-infor__list-title {
    font-size: 1.5rem;
    line-height: 2.5;
    font-weight: 700;
    text-decoration: underline;
    text-decoration-color: var(--bg-nonary);
    text-decoration-thickness: 0.1rem;
    text-underline-offset: 0.4rem;
}

.question-infor__list-description {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

/* start */
.start {
    padding: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    border-radius: 3rem;
    width: 100%;
    height: 24rem;
    background-color: var(--color-white);
     box-shadow: 0 0.8rem 2rem rgba(0, 0, 0, 0.2);
}

.start-title {
  font-size: 2rem;
  color: var(--bg-line-aside);
  font-weight: 600;
}

.start-button {
    width: 40rem;
    margin-top: 2rem;
    text-align: center;
    cursor: pointer;
    background-color: var(--bg-nonary);
    color: var(--color-white);
    padding: 2rem 3rem;
    border-radius: 9999px;
    border: none;
    font-size: 2.5rem;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 0.5rem 1.5rem rgba(0,0,0,0.2);
}

.start-button:hover {
    background-color: var(--bg-button-hover-secondary);
    transform: translateY(-0.3rem);
    box-shadow: 0 0.8rem 2rem rgba(0,0,0,0.3);
}

/* Media query */
@media (min-width: 320px) and (max-width: 480px) {
    .container {
        padding: 0;
    }

    .faq-image {
        width: 4rem;
        height: 4rem;
        margin-right: 0;
    }

    .faq-title {
        font-size: 2rem;
    }
    
    .faq-text {
        width: 30rem;
    }
    
    .question-filter__search {
        width: 100%;
    }

    .question-filter__area {
        display: none;
    }
    
    .question-list__subtitle {
        font-size: 1.8rem;
    }

    .question-infor__title {
        font-size: 1.8rem;
        width: 100%;
    }
    
    .question-infor__container {
        width: 100%;
    }

    .start {
        margin-bottom: 2rem;
    }

    .start-title {
        font-size: 2rem;
        text-align: center;
    }
    
    .start-button {
        width: 25rem;
    }
}

@media (min-width: 481px) and (max-width: 768px) {
    .container {
        padding: 0;
    }

    .faq-image {
        width: 4rem;
        height: 4rem;
        margin-right: 0;
    }

    .faq-title {
        font-size: 3rem;
    }
    
    .faq-text {
        width: 30rem;
    }
    
    .question-filter__search {
        width: 45rem;
    }

    .question-filter__area {
        display: none;
    }
    
    .question-list__subtitle {
        font-size: 3rem;
    }

    .question-infor__title {
        font-size: 1.8rem;
        width: 100%;
    }
    
    .question-infor__container {
        width: 100%;
    }

    .start {
        margin-bottom: 2rem;
    }

    .start-title {
        font-size: 2rem;
        text-align: center;
    }
    
    .start-button {
        width: 25rem;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .container {
        padding: 0;
    }

    .faq-image {
        width: 4rem;
        height: 4rem;
        margin-right: 0;
    }

    .faq-title {
        font-size: 3rem;
    }
    
    .faq-text {
        width: 30rem;
    }
    
    .question-filter__search {
        width: 45rem;
    }
    
    .question-list__subtitle {
        font-size: 3rem;
    }

    .question-infor__title {
        font-size: 1.8rem;
        width: 100%;
        text-align: center;
    }
    
    .question-infor__container {
        width: 100%;
    }

    .start {
        margin-bottom: 2rem;
    }

    .start-title {
        font-size: 3rem;
        text-align: center;
    }
    
    .start-button {
        width: 25rem;
    }
}