@import url(./common.css);

/* =====================================================
    히어로 — About 배지 영역
===================================================== */
#about {
    position: relative;
}

/* =====================================================
    Ebook 메인 레이아웃
===================================================== */
#Ebook {
    display: flex;
    justify-content: space-between;
    gap: 3vw;
    color: var(--black);
    min-height: unset;
    align-items: center;
    margin-bottom: clamp(50px, 9vw, 250px);
}

#Ebook .title {
    flex: 0.8;
    display: flex;
    flex-direction: column;
    gap: clamp(14px, 2vw, 20px);
}

#Ebook .title > h2 {
    font-size: clamp(22px, 3.2vw, 62px);
    font-weight: 800;
}

#Ebook .title > h3 {
    font-size: clamp(17px, 1.6vw, 22px);
    font-weight: 700;
    padding-bottom: clamp(6px, 1vw, 10px);
    border-bottom: 1px solid var(--ink3);
    margin-top: clamp(10px, 1.5vw, 20px);
}

#Ebook .title > h4 {
    font-size: clamp(10px, 1.6vw, 16px);
    font-weight: 500;
    color: var(--ink2);
}

#Ebook figure {
    flex: 1;
    height: fit-content;
    overflow: hidden;
    border-radius: 30px;
}

#Ebook img {
    scale: 1;
    object-fit: cover;
    display: block;
    transition: transform 0.7s ease;
}

#Ebook img:hover {
    cursor: url('../img/click.png'), pointer;
    transform: scale(1.08);
    resize: none;
}

/* =====================================================
    추천 대상 체크리스트
===================================================== */
#Ebook .title #recommend_list {
    display: flex;
    flex-direction: column;
    gap: clamp(8px, 1.6vw, 14px);
    font-size: clamp(14px, 1.6vw, 20px);
    font-weight: 500;
}

#Ebook .title #recommend_list li label {
    display: flex;
    align-items: center;
    gap: 8px;
}

#Ebook .title #recommend_list li label .recommend_check {
    width: 1em;
    height: 1em;
    flex-shrink: 0;
    accent-color: var(--ink2);
    cursor: pointer;
}

.recommend_msg {
    margin-top: 8px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.6s ease, visibility 0.6s ease;
    font-size: clamp(16px, 1.6vw, 26px);
    font-weight: bold;
    color: var(--black);
}

.recommend_msg.visible {
    opacity: 1;
    visibility: visible;
}

/* =====================================================
    Ebook 텍스트 정보 영역
===================================================== */
#Ebook .text_wrap {
    flex: 1;
}

#Ebook .text_wrap > h2 {
    margin-bottom: clamp(10px, 2vw, 20px);
    font-size: clamp(18px, 2.4vw, 32px);
    font-weight: 900;
    color: var(--black);
}

#Ebook .text_wrap .ebook_desc {
    font-size: clamp(14px, 1.2vw, 18px);
    font-weight: 400;
    color: var(--ink2);
    line-height: 1.7;
    margin-bottom: clamp(15px, 2vw, 28px);
}

#Ebook .text_wrap > h3 {
    font-size: clamp(17px, 1.6vw, 22px);
    font-weight: 700;
    padding-bottom: clamp(6px, 1vw, 10px);
    border-bottom: 1px solid var(--ink3);
}

#Ebook .text_wrap > ul {
    margin-bottom: clamp(10px, 2vw, 20px);
    font-size: clamp(14px, 1.6vw, 20px);
    font-weight: 500;
}

.service_list li {
    display: flex;
    align-items: center;
    gap: 10px;
}

.service_list li i {
    color: var(--black);
    font-size: 0.85em;
    flex-shrink: 0;
}

#Ebook .service_list li {
    padding: clamp(8px, 1.5vw, 12px) 0;
    border-bottom: 1px solid var(--ink3);
}

/* =====================================================
    구매 버튼
===================================================== */
.buy_btn {
    max-width: 340px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: clamp(20px, 2.5vw, 40px) 0;
    padding: clamp(5px, 1.5vw, 16px) clamp(10px, 1.5vw, 25px);
    background-color: var(--white);
    color: var(--black);
    border-radius: 50px;
    font-size: clamp(12px, 1.5vw, 20px);
    font-weight: 700;
    letter-spacing: 0.02em;
    border: 2px solid var(--black);
    gap: 12px;
    transition: background-color 0.3s ease, color 0.3s ease, outline 0.3s ease, letter-spacing 0.3s ease;
}

.buy_btn:hover {
    background-color: var(--black);
    color: var(--white);
    letter-spacing: 0.06em;
}

.buy_btn i {
    transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
    flex-shrink: 0;
}

.buy_btn:hover i {
    transform: translateX(6px);
}

/* =====================================================
    스크롤 애니메이션
===================================================== */
.fade_up {
    opacity: 0;
    align-content: center;
    transform: translateY(40px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade_up.visible {
    opacity: 1;
    transform: translateY(0);
}

.text_wrap > .line {
    display: block;
    margin: 10px 0;
    height: 1px;
    width: 0%;
    background-color: var(--ink2);
    transition: width 0.8s ease;
}

.text_wrap > .line.extra {
    width: 100%;
}

/* =====================================================
    Contact Us 섹션
===================================================== */
#contact_us {
    background-color: var(--black);
    color: var(--white);
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

#contact_us .open_modal_sub {
    background-color: var(--black);
    color: var(--white);
    border: 2px solid var(--white);
}

#contact_us .open_modal_sub:hover {
    background-color: var(--white);
    color: var(--black);
}
/* =====================================================
    반응형
===================================================== */
@media (max-width: 575px) {
    #about {
        margin-top: 0;
    }

    #Ebook {
        flex-direction: column;
        align-items: start;
    }

    #Ebook .title > h3 {
        margin-top: 16px;
    }

    #Ebook figure {
        width: 70%;
        border-radius: 0px;
    }

    .buy_btn {
        margin-bottom: 30px;
    }

    #Ebook .text_wrap > h2 {
        margin-bottom: clamp(12px, 2vw, 24px);
    }
    
    .recommend_msg {
        margin-bottom: 8px;
    }
}