@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Text:ital@0;1&display=swap');
@import url('../fonts/copperplate.css');


.overview-section {
    background: linear-gradient(135deg, #002f43 0%, #004d6b 25%, #006b8f 50%, #0089b3 75%, #00a7d7 100%);
    background-image: url('../img/bg_01.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    padding: 120px 0;
    width: 100%;
    box-sizing: border-box;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.overview-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    pointer-events: none;
}

.overview-title {
    text-align: center;
    margin-bottom: 120px;
    padding: 0 20px;
    position: relative;
    z-index: 1;
}

.overview-title h2 {
    font-family: "DM Serif Text", serif;
    font-size: 4rem;
    font-weight: 400;
    letter-spacing: 15px;
    text-transform: uppercase;
    line-height: 1.2;
    color: #ffffff;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.overview-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(2, 1fr);
    gap: 60px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
    box-sizing: border-box;
    position: relative;
    z-index: 1;
}

.overview-item {
    text-align: left;
    padding: 0 20px;
    width: 100%;
    box-sizing: border-box;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 30px 25px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.overview-item:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.overview-item h3 {
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 20px;
    color: #ffffff;
    position: relative;
    padding-bottom: 15px;
}

.overview-item h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, #ffffff 50%, transparent 100%);
}

.overview-item p {
    font-size: 16px;
    color: #e6f3ff;
    line-height: 1.6;
    margin-top: 20px;
    font-weight: 300;
}

/* 태블릿 화면 (768px ~ 1024px) */
@media screen and (max-width: 1024px) {
    .overview-section {
        padding: 100px 0;
        min-height: 90vh;
    }

    .overview-title h2 {
        font-size: 3rem;
        letter-spacing: 12px;
    }

    .overview-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 50px;
    }

    .overview-item {
        padding: 25px 20px;
    }

    .overview-item h3 {
        font-size: 22px;
    }
}

/* 모바일 화면 (768px 이하) */
@media screen and (max-width: 768px) {
    .overview-section {
        padding: 80px 0;
        min-height: 80vh;
    }

    .overview-title {
        margin-bottom: 100px;
    }

    .overview-title h2 {
        font-size: 2rem;
        letter-spacing: 8px;
    }

    .overview-content {
        grid-template-columns: 1fr;
        gap: 40px;
        padding: 0 15px;
    }

    .overview-item {
        padding: 25px 20px;
        text-align: center;
    }

    .overview-item h3 {
        font-size: 22px;
        margin-bottom: 15px;
    }

    .overview-item p {
        font-size: 15px;
        margin-top: 15px;
    }
}

/* 작은 모바일 화면 (480px 이하) */
@media screen and (max-width: 480px) {
    .overview-section {
        padding: 70px 0;
        min-height: 70vh;
    }

    .overview-title {
        margin-bottom: 80px;
        padding: 0 15px;
    }

    .overview-title h2 {
        font-size: 2rem;
        letter-spacing: 5px;
    }

    .overview-content {
        gap: 30px;
        padding: 0 10px;
    }

    .overview-item {
        padding: 18px 10px;
    }

    .overview-item h3 {
        font-size: 18px;
        margin-bottom: 12px;
    }

    .overview-item p {
        font-size: 14px;
        margin-top: 12px;
    }
}

/* 매우 작은 화면 (320px 이하) */
@media screen and (max-width: 320px) {
    .overview-section {
        padding: 40px 0;
    }

    .overview-title {
        margin-bottom: 50px;
    }

    .overview-title h2 {
        font-size: 1.8rem;
        letter-spacing: 3px;
    }

    .overview-content {
        gap: 25px;
    }

    .overview-item {
        padding: 15px 8px;
    }

    .overview-item h3 {
        font-size: 16px;
        margin-bottom: 10px;
    }

    .overview-item p {
        font-size: 13px;
        margin-top: 10px;
    }
}