.dt-hero {
    position: relative;
    height: 100vh;
    background: url('../img/image01.png') center center / cover no-repeat;
    display: flex;
    align-items: center;
    padding: 0 10%;
}

.dt-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to right,
        rgba(10, 25, 45, 0.65) 0%,
        rgba(10, 25, 45, 0.5) 35%,
        rgba(10, 25, 45, 0.3) 60%,
        rgba(0, 0, 0, 0.05) 80%,
        rgba(0, 0, 0, 0) 100%
    );
}

.dt-content {
    position: relative;
    z-index: 2;
    max-width: 600px;
    color: #ffffff;
    text-shadow:
        0 2px 8px rgba(0, 0, 0, 0.6),
        0 0 20px rgba(0, 0, 0, 0.3);
}

.dt-content h2,
.dt-eyebrow,
.dt-lead,
.dt-highlight,
.dt-feature-box li {
    color: #ffffff;
}

.dt-eyebrow {
    padding-top: 40px;
    margin-top: 35px;
    font-size: 45px;
    letter-spacing: 2px;
    margin-bottom: 20px;
}
.dt-twin{
    font-size: 20px;
    margin-bottom: 50px;
}

.dt-lead {
    font-size: 18px;
    line-height: 2.0;
    margin-bottom: 30px;
}

.dt-highlight {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 40px;
}

.dt-feature-box {
    padding: 10px 10px;   
    border-radius: 10px;
    margin-bottom: 40px;
}
.dt-summary {
    font-size: 20px;
    line-height: 1.8;
    margin-bottom: 25px;
    color: #ffffff;
    opacity: 0.9;
}

.dt-feature-title {
    font-size: 22px;
    font-weight: 600;
    margin-top: 50px;
    margin-bottom: 20px;
    color: #ffffff;
}


.dt-feature-box ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.dt-feature-box li {
    margin-bottom: 12px;
    font-size: 18px;
    position: relative;
    padding-left: 14px; 
}

.dt-feature-box li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 9px;          
    width: 4px;       
    height: 4px;
    background: #ffffff;
    border-radius: 50%;
    opacity: 0.8;    
}

.dt-btn {
    display: inline-block;
    padding: 14px 28px;
    background: #4281c9;
    color: #0f1a2a;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    transition: 0.3s;
}

.dt-btn:hover {
    background: #e5e5e5;
}

.dt-benefits {
    height: 100vh;                
    display: flex;               
    align-items: center;          
    justify-content: center;      
    padding: 0 10%;
    background: #f4f6f9;
}
.dt-benefits {
    flex-direction: column;   /* 세로 정렬 */
}

.dt-benefits-header {
    text-align: center;
    margin-bottom: 80px;
}

.dt-benefits-header h2 {
    font-size: 38px;
    font-weight: 600;
    color: #111;
    margin-top: 20px;
    margin-bottom: 20px;
}

.dt-benefits-header p {
    font-size: 16px;
    color: #666;
    max-width: 720px;
    margin: 0 auto;
    line-height: 1.8;
}

.dt-benefits-header h2::after {
    content: "";
    display: block;
    width: 60px;
    height: 3px;
    background: #5d86ff;
    margin: 20px auto 0;
}


.dt-benefits-grid {
    width: 100%;
    max-width: 1200px;         
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 100px 80px;             
}

.benefit-item {
    text-align: center;
}

.benefit-item img {
    width: 60px;
    margin-bottom: 25px;
}

.benefit-item h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 15px;
}

.benefit-item p {
    font-size: 15px;
    line-height: 1.8;
    color: #555;
}
.dt-case {
    background: #ffffff;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 80px 8%;
}
.dt-case-header {
    text-align: center;
    margin-top: 50px;
    margin-bottom: 70px;
}

.dt-case-header h2 {
    font-size: 36px;
    font-weight: 600;
    margin-top: 30px;
    margin-bottom: 20px;
    color: #111;
}

.dt-case-header p {
    font-size: 16px;
    color: #666;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.8;
}

.dt-case-content {
    text-align: center;
}

.dt-case-content img {
    max-height: 55vh; 
    width: auto;
    max-width: 100%;
    border-radius: 10px;
    box-shadow: 0 30px 60px rgba(0,0,0,0.08);
}
@media screen and (max-width: 1024px) {

    /* HERO */
    .dt-hero {
        padding: 0 6%;
    }

    .dt-content {
        max-width: 480px;
    }

    .dt-eyebrow {
        font-size: 28px;
    }

    .dt-lead {
        font-size: 16px;
    }

    .dt-highlight {
        font-size: 18px;
    }

    /* BENEFITS */
    .dt-benefits {
        padding: 60px 6%;
    }

    .dt-benefits-header h2 {
        font-size: 30px;
    }

    .dt-benefits-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 60px 40px;
    }

    /* CASE */
    .dt-case {
        padding: 60px 6%;
    }

    .dt-case-header h2 {
        font-size: 28px;
    }

    .dt-case-content img {
        max-height: 50vh;
    }
}
@media screen and (max-width: 768px) {

    /* HERO */
    .dt-hero {
        height: auto;
        min-height: calc(100vh - 85px);
        padding: 80px 6% 60px;
        align-items: flex-start;
    }

    .dt-content {
        max-width: 100%;
    }

    .dt-eyebrow {
        font-size: 22px;
        letter-spacing: 1px;
    }

    .dt-twin {
        font-size: 13px;
        margin-bottom: 20px;
    }

    .dt-lead {
        font-size: 14px;
        line-height: 1.7;
    }

    .dt-highlight {
        font-size: 16px;
        margin-bottom: 25px;
    }

    .dt-summary {
        font-size: 14px;
    }

    .dt-feature-title {
        font-size: 16px;
        margin-top: 30px;
    }

    .dt-feature-box li {
        font-size: 13px;
    }

    /* BENEFITS */
    .dt-benefits {
        height: auto;
        padding: 80px 6%;
    }

    .dt-benefits-header {
        margin-bottom: 50px;
    }

    .dt-benefits-header h2 {
        font-size: 24px;
    }

    .dt-benefits-header p {
        font-size: 14px;
    }

    .dt-benefits-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .benefit-item h3 {
        font-size: 18px;
    }

    .benefit-item p {
        font-size: 14px;
    }

    /* CASE */
    .dt-case {
        padding: 80px 6%;
    }

    .dt-case-header {
        margin-bottom: 40px;
    }

    .dt-case-header h2 {
        font-size: 22px;
    }

    .dt-case-header p {
        font-size: 14px;
    }

    .dt-case-content img {
        max-height: none;
        width: 100%;
    }
}
@media screen and (max-width: 480px) {

    .dt-eyebrow {
        font-size: 18px;
    }

    .dt-lead {
        font-size: 13px;
    }

    .dt-highlight {
        font-size: 14px;
    }

    .dt-benefits-header h2 {
        font-size: 20px;
    }

    .dt-case-header h2 {
        font-size: 18px;
    }
}