@import url(./common.css);

/* ============================================
   main_intro
============================================ */
#main_intro {
    position: relative;
}

#main_intro img {
    width: 100%;
    height: 100%;
    display: block;
}

.main_intro_text {
    position: absolute;
    bottom: clamp(100px, 15vw, 150px);
    left: clamp(16px, 8vw, 200px);
    display: flex;
    flex-direction: column;
    gap: clamp(8px, 1vw, 14px);
    z-index: 2;
}

.main_intro_text h2 {
    font-size: clamp(22px, 3.5vw, 52px);
    font-weight: 700;
    color: #fff;
    line-height: 1.2;
    letter-spacing: -0.01em;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.35);
}

.main_intro_text p {
    font-size: clamp(12px, 1.1vw, 20px);
    font-weight: 500;
    color: var(--white);
    line-height: 1.6;
    text-shadow: 0 1px 6px rgba(0, 0, 0, 0.3);
}

/* ============================================
   about
============================================ */
#about {
    padding: clamp(50px, 10vw, 170px) clamp(16px, 12vw, 350px);
}

.about_inner {
    display: flex;
    align-items: center;
    gap: clamp(40px, 6vw, 100px);
}

.about_text {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: clamp(14px, 1.8vw, 24px);
}

.about_label {
    font-size: clamp(10px, 1vw, 13px);
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--bookink2);
}

.about_text h2 {
    font-size: clamp(22px, 3.2vw, 46px);
    font-weight: 700;
    letter-spacing: -0.01em;
    color: var(--black);
    line-height: 1.2;
}

.about_text p {
    font-size: clamp(13px, 1vw, 15px);
    font-weight: 300;
    color: rgba(18, 18, 18, 0.6);
    line-height: 1.85;
}

.about_img {
    flex: 1;
    border-radius: 4px;
    overflow: hidden;
}

.about_img img {
    width: 100%;
    height: clamp(240px, 30vw, 480px);
    object-fit: cover;
    border-radius: 4px;
    transition: transform 0.5s ease;
}

.about_img:hover img {
    transform: scale(1.02);
}

/* ============================================
   vision
============================================ */
#vision {
    padding: clamp(50px, 8vw, 120px) clamp(16px, 12vw, 350px);
    background: var(--bookink2);
    text-align: center;
}

.vision_inner {
    display: flex;
    flex-direction: column;
    align-items: start;
    gap: clamp(12px, 1.5vw, 20px);
    max-width: 760px;
}

.vision_label {
    font-size: clamp(10px, 1vw, 13px);
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.75);
}

#vision h2 {
    font-size: clamp(22px, 3.2vw, 46px);
    font-weight: 700;
    letter-spacing: -0.01em;
    color: #fff;
    line-height: 1.2;
}

#vision p {
    font-size: clamp(15px, 1.5vw, 20px);
    font-weight: 300;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.9;
    text-align: start;
    font-weight: 400;
}

.vision_label::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: clamp(10px, 1.5vw, 20px);
    height: 1px;
    background: var(--white);
}

/* ============================================
   service
============================================ */
#service {
    display: flex;
    flex-direction: column;
    gap: clamp(20px, 4vw, 60px);
    padding: clamp(50px, 10vw, 170px) clamp(16px, 12vw, 350px) clamp(50px, 8vw, 120px);
}

.service_header {
    display: flex;
    flex-direction: column;
    gap: clamp(10px, 1.5vw, 18px);
}

.service_label {
    font-size: clamp(10px, 1vw, 13px);
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--bookink2);
}

.service_header h2 {
    font-size: clamp(22px, 3.2vw, 46px);
    font-weight: 700;
    letter-spacing: -0.01em;
    color: var(--black);
}

.service_header p {
    font-size: clamp(13px, 1vw, 15px);
    font-weight: 300;
    color: rgba(18, 18, 18, 0.6);
    line-height: 1.85;
    max-width: 600px;
}

/* service preview (image + text rows) */
.service_preview {
    display: flex;
    flex-direction: column;
    gap: clamp(30px, 5vw, 72px);
}

.service_box {
    display: flex;
    align-items: center;
    gap: clamp(30px, 5vw, 80px);
}

.service_box.reverse {
    flex-direction: row-reverse;
}

.service_box .img_box {
    flex: 1;
    border-radius: 4px;
    overflow: hidden;
}

.service_box .img_box img {
    width: 100%;
    height: clamp(200px, 25vw, 380px);
    object-fit: cover;
    display: block;
    border-radius: 4px;
    transition: transform 0.5s ease;
}

.service_box:hover .img_box img {
    transform: scale(1.02);
}

.service_box .text_box {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: clamp(12px, 1.5vw, 20px);
}

.service_box .text_box .tag {
    font-size: clamp(10px, 1vw, 13px);
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--bookink2);
}

.service_box .text_box h3 {
    font-size: clamp(18px, 2.2vw, 32px);
    font-weight: 700;
    color: var(--black);
    line-height: 1.25;
    letter-spacing: -0.01em;
}

.service_box .text_box p {
    font-size: clamp(13px, 1vw, 15px);
    font-weight: 300;
    color: rgba(18, 18, 18, 0.6);
    line-height: 1.85;
    text-wrap: balance;
}

.service_box .text_box ul {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.service_box .text_box ul li {
    font-size: clamp(12px, 0.9vw, 14px);
    font-weight: 400;
    color: rgba(18, 18, 18, 0.7);
    padding-left: 14px;
    position: relative;
}

.service_box .text_box ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--bookink2);
}

/* ============================================
   why_us
============================================ */
#why_us {
    padding: clamp(50px, 10vw, 170px) clamp(16px, 12vw, 350px) 0;
    display: flex;
    flex-direction: column;
    gap: clamp(30px, 4vw, 60px);
}

.why_header {
    display: flex;
    flex-direction: column;
    gap: clamp(10px, 1.5vw, 18px);
}

.why_header h2 {
    font-size: clamp(22px, 3.2vw, 46px);
    font-weight: 700;
    letter-spacing: -0.01em;
    color: var(--black);
}

.why_grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: clamp(16px, 2.5vw, 36px);
}

.why_item {
    display: flex;
    flex-direction: column;
    gap: clamp(10px, 1.2vw, 16px);
    padding: clamp(20px, 3vw, 40px) clamp(16px, 2vw, 28px);
    border: 1px solid rgba(0, 0, 0, 0.07);
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(8px);
    transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.why_item:hover {
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    transform: translateY(-4px);
}

.why_icon {
    font-size: clamp(20px, 2.5vw, 32px);
    color: var(--bookink2);
}

.why_item h4 {
    font-size: clamp(14px, 1.3vw, 18px);
    font-weight: 700;
    color: var(--black);
}

.why_item p {
    font-size: clamp(12px, 0.9vw, 14px);
    font-weight: 300;
    color: rgba(18, 18, 18, 0.6);
    line-height: 1.8;
}

/* ============================================
   Reveal 애니메이션
============================================ */
.reveal,
.reveal-left,
.reveal-right {
    opacity: 0;
    transition: opacity 0.75s ease, transform 0.75s ease;
}

.reveal {
    transform: translateY(28px);
}

.reveal-left {
    transform: translateX(-36px);
}

.reveal-right {
    transform: translateX(36px);
}

.reveal.visible,
.reveal-left.visible,
.reveal-right.visible {
    opacity: 1;
    transform: none;
}

/* ============================================
   Responsive – Tablet (≤1024px)
============================================ */
@media (max-width: 1024px) {
    /* why_grid: 3열 → 2열 */
    .why_grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* service_box: 좌우 → 세로 */
    .service_box,
    .service_box.reverse {
        flex-direction: column;
        gap: clamp(24px, 4vw, 48px);
    }

    .service_box .img_box img {
        height: clamp(200px, 40vw, 400px);
    }
}

/* ============================================
   Responsive – Mobile (≤768px)
============================================ */
@media (max-width: 768px) {
    /* main_intro_text: 모바일에서 이미지 안에 표시 */
    .main_intro_text {
        left: 16px;
        right: 16px;
        bottom: 16px;
    }

    /* about: 좌우 → 세로 */
    .about_inner {
        flex-direction: column;
    }

    .about_img img {
        height: clamp(200px, 50vw, 340px);
    }

    /* why_grid: 2열 → 1열 */
    .why_grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 900px) {
    #about,
    #vision,
    #service,
    #why_us {
        padding-left: clamp(12px, 5vw, 48px);
        padding-right: clamp(12px, 5vw, 48px);
    }
}

@media (max-width: 480px) {
    #about,
    #vision,
    #service,
    #why_us {
        padding-left: 12px;
        padding-right: 12px;
    }

    .why_item {
        padding: 20px 16px;
    }
}