/* 공통 */
body {
    margin: 0;
    font-family: "Pretendard", sans-serif;
    background: #fff;
    color: #111;
}

.section {
    position: relative;
    width: 100%;
    overflow: hidden;
}

/* 섹션 1 */
.hero {
    position: relative;
    width: 100%;
    overflow: hidden;

    aspect-ratio: 1920 / 1037;
}

.hero picture {
    position: absolute;
    inset: 0;
    display: block;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero picture img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
}

.hero-content {
    position: absolute;
    left: 18%;
    top: 75%;
    transform: translateY(-50%);
    z-index: 2;
    max-width: 520px;
    text-align: left;
}

.hero-title {
    font-family: "Pretendard", sans-serif;
    font-size: clamp(1rem, 2vw, 1.4rem);
    font-weight: 350;
    line-height: 1.4;
    margin: 0;
    letter-spacing: -0.5px;
    color: #000;
}

.hero-title strong {
    font-weight: 700;
}

@media (max-width: 680px) {
    .hero {
        aspect-ratio: 1080 / 1984;
    }

    .hero-bg {
        background-image: url("/landing/img/pro/m/01_mo.jpg");
        background-position: center;
    }

    .hero-title {
        font-size: clamp(18px, 4.8vw, 26px);
        line-height: 1.5;
    }

    .hero picture img {
        object-fit: unset;
    }

    .hero-content {
        padding: 0 20px;
        left: 3%;
        top: 66%;
        max-width: 420px;
    }
}

/* 섹션 2 */
.sec2 {
    width: 100%;
    margin: 0 auto;
    overflow: hidden;
}

.sec2 picture {
    display: block;
    width: 100%;
}

.sec2 .sec-img__img {
    display: block;
    width: 100%;
    height: auto;
}

/* 섹션 3 */
.sec3 {
    position: relative;
    background: #000;
    overflow: hidden;
}

.sec3-img {
    display: block;
    width: 100%;
    height: auto;
    object-fit: contain;
    z-index: 1;
}

.sec3-box-wrap {
    position: absolute;
    top: 9%;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    display: flex;
    justify-content: space-between;
    gap: 20px;
    z-index: 3;
}

.sec3-box {
    position: relative;
    max-width: 48%;
    border-radius: 10px;
    overflow: hidden;
}

.sec3-box .box-gif {
    position: absolute;
    top: 55%;
    left: 50%;
    width: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
    pointer-events: none;
}

.exam-wrap {
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: 100%;
    max-width: 1300px;
    padding: 185px 8%;
    color: #fff;
    z-index: 2;
    box-sizing: border-box;
}

.exam-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 60px;
    padding: 40px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.25);
}

.exam-item:last-child {
    border-bottom: none;
}

.exam-img {
    flex: 0 0 400px;
}

.exam-img img {
    width: 100%;
    border-radius: 8px;
    display: block;
}

.exam-text {
    flex: 1;
}

.exam-text h3 {
    position: relative;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: #00c4b5;
}

.exam-text h3::before {
    content: attr(data-num);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: #00c4b5;
    color: #000;
    font-size: 0.95rem;
    font-weight: 700;
    border-radius: 20px;
}

.exam-text p {
    font-size: 1.05rem;
    line-height: 1.6;
    color: #ddd;
}

/* 섹션 4 */
.sec4 {
    background: #000;
}

.sec4-bg {
    position: absolute;
    inset: 0;
    background: url("/landing/img/pro/en_04.jpg") center/cover no-repeat;
    z-index: 0;
}

@media (max-width: 768px) {
    .sec4-bg {
        background-image: url("/landing/img/pro/m/en_04.jpg");
    }
}

.sec4-solutions {
    position: relative;
    z-index: 2;
    display: flex;
    justify-content: center;
    align-items: flex-end;
    flex-wrap: nowrap;
    gap: clamp(20px, 4vw, 60px);
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: clamp(100px, 23vh, 200px) 0 255px;
    box-sizing: border-box;
    transform: translateY(8%);
}

.solution {
    flex: 1 1 0;
    max-width: 300px;
    display: flex;
    justify-content: center;
    align-items: flex-end;
    opacity: 0;
    transform: translateY(60px);
    transition:
        opacity 0.8s ease,
        transform 0.8s ease;
}

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

.solution img {
    width: 90%;
    height: auto;
    max-height: 75vh;
    border-radius: 8px;
    opacity: 0.97;
    transition: transform 0.4s ease;
}

.solution:hover img {
    transform: scale(1.03);
}

@media (max-width: 768px) {
    .exam-wrap {
        position: absolute;
        left: 50%;
        bottom: 0;
        transform: translateX(-50%);
        width: 100%;
        max-width: 1260px;
        padding: 0px 20px;
        color: #fff;
        z-index: 2;
        box-sizing: border-box;
		margin-bottom: 10px;
    }

    .exam-item {
        display: block;
        gap: 24px;
        padding: 30px 0;
    }

    .exam-text h3 {
        font-size: 1.25rem;
    }

    .exam-text p {
        font-size: 0.95rem;
		margin: 0px;
    }

    .exam-img {
        text-align: center;
    }

    .exam-img picture {
        display: inline-block;
    }

    .exam-img img {
        width: 100%;
        height: auto;
        display: block;
        margin: 0 auto;
    }
}

@media (max-width: 415px) {
    .exam-item {
        padding: 7% 0;
    }
}

@media (max-width: 375px) {
    .exam-item {
        padding: 9% 0;
    }
	.exam-text p {
		line-height: 1;
	}
}

/* 섹션 5 */

.sec5 {
    position: relative;
    width: 100%;
    overflow: hidden;

    aspect-ratio: 1920 / 1037;
}

.sec5 picture {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    display: block;
    z-index: 1;
}

.sec5 picture img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    object-position: center;
}

@media (max-width: 680px) {
    .sec5 {
        aspect-ratio: 1080 / 1684;
    }
}

/* 반응형*/
@media (max-width: 768px) {
    .sec3-box-wrap {
        position: absolute;
        top: 9%;
        left: 50%;
        transform: translateX(-50%);
        width: 90%;
        flex-direction: column;
        align-items: center;
        gap: 16px;
        z-index: 3;
    }

    .sec3-box {
        max-width: 80%;
    }

    .sec3-box .box-gif {
        width: 60%;
        top: 60%;
    }

    .sec4-solutions {
        flex-direction: column;
        align-items: center;
        padding: 140px 40px 100px;
        transform: translateY(4%);
        gap: 40px;
    }

    .solution {
        max-width: 73%;
    }

    .btn-wrap {
        flex-direction: column;
        gap: 24px;
    }

    .btn-item img {
        width: clamp(160px, 60%, 220px);
    }
}

/* PC 기본: 줄바꿈 숨김 */
.mobile-only {
    display: none;
}
.pc-only {
    display: block;
}

@media (max-width: 768px) {
    .mobile-only {
        display: inline;
    }
    .pc-only {
        display: none;
    }

    .hero-title {
        line-height: 1.7;
        margin-top: 0.4em;
    }
}

.sec3-box picture,
.sec3-box .box-bg {
    width: 100%;
    height: auto;
    display: block;
    border-radius: inherit;
    object-fit: cover;
}

@media (max-width: 768px) {
    .sec3-box picture {
        width: 100%;
        height: 100%;
        display: block;
        position: relative;
    }

    .sec3-box .box-bg {
        width: 100%;
        height: 100%;
        object-fit: cover;
        object-position: center;
    }

    .sec3-box {
        width: 90%;
        overflow: hidden;
        border-radius: 10px;
    }

    .hero-bg,
    .sec2-bg,
    .sec5-bg {
        position: relative;
        padding-top: 180%;
    }

    .solution img {
        width: 100%;
    }

    .btn-wrap {
        flex-direction: row;
        justify-content: center;
        align-items: center;
        gap: 16px;
        flex-wrap: nowrap;
    }

    .btn-item img {
        width: clamp(140px, 40vw, 200px);
        height: auto;
    }

    .sec5-content {
        bottom: 17%;
    }

    .exam-text .none_br br {
        display: none;
    }
}