/* ============================================================
   BUSINESS PORTFOLIO
   ============================================================ */

.biz-section {
    background-color: var(--dark);
    position: relative;
    overflow: hidden;
}

.margin-free-business {
    margin: 90px 0 !important;
}

/* -----------------------------
   TITLE
----------------------------- */

.business-header {
    margin-bottom: 35px;
}

.business-label {
    display: block;
    color: var(--primary);
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 3px;
    margin-bottom: 8px;
}

.business-title {
    font-size: 2.8rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 20px;
}

.title-bar {
    display: block;
    width: 70px;
    height: 4px;
    background: var(--primary);
    margin: 0 auto;
}

/* -----------------------------
   ISO
----------------------------- */

.iso-wrap {
    width: 400px;
    height: 62px;
    position: relative;
    left: 52%;
    margin-bottom: -132px;
    display: flex;
    align-items: center;
    padding: 0;
    border-radius: 50px;
    border: 1px solid rgba(255, 255, 255, .12);
    background: rgba(255, 255, 255, .03);
}

.iso-badge {
    background: #fff;
    color: #0D1B3E;
    padding: 8px 18px;
    border-radius: 30px;
    border: 0px solid rgba(255, 255, 255, .08);
    font-size: .9rem;
    font-weight: 700;
    margin: 0 5px 0 -25px;
}

.iso-text {

    color: var(--primary);
    padding: 8px 20px;

    font-size: .95rem;
}

/* -----------------------------
   MAP
----------------------------- */

.business-map {
    position: relative;
    max-width: 1400px;
    height: 1100px;
    margin: 0 auto;
}

/* -----------------------------
   CIRCLE
----------------------------- */

.circle-line {

    position: absolute;

    width: 900px;
    height: 900px;

    left: 50%;
    top: 50%;

    transform: translate(-50%, -50%);

    border-radius: 50%;

    border: 2px solid rgba(255, 255, 255, .08);

    z-index: 1;
}

/* -----------------------------
   CENTER HUB
----------------------------- */

.center-circle {

    position: absolute;

    left: 50%;
    top: 50%;

    transform: translate(-50%, -50%);

    width: 360px;
    height: 360px;

    border-radius: 50%;

    background: var(--primary);

    border: 6px solid #1F475B;

    z-index: 20;
}

.center-circle:before,
.center-circle:after {

    content: "";

    position: absolute;

    left: 50%;
    top: 50%;

    transform: translate(-50%, -50%);

    border-radius: 50%;

    border: 2px solid rgba(0, 212, 170, .25);

    width: 100%;
    height: 100%;

    z-index: -1;
}

.center-circle:before {
    animation: ripple 5s infinite;
}

.center-circle:after {
    animation: ripple 5s infinite 2.5s;
}

@keyframes ripple {

    0% {
        width: 100%;
        height: 100%;
        opacity: .7;
    }

    100% {
        width: 180%;
        height: 180%;
        opacity: 0;
    }
}

.center-number {

    position: absolute;

    top: -33px;
    left: 50%;

    transform: translateX(-50%);

    width: 55px;
    height: 55px;

    border-radius: 50%;

    background: #00D4AA;

    display: flex;
    align-items: center;
    justify-content: center;

    color: #0D1B3E;

    font-size: 1.2rem;
    font-weight: 700;
    border: 4px solid #1F475B;
}

.center-inner {

    width: 100%;
    height: 100%;

    display: flex;
    flex-direction: column;

    justify-content: center;
    align-items: center;

    text-align: center;
}

.center-inner i {

    font-size: 3.5rem;

    color: #0D1B3E;

    margin-bottom: 15px;
}

.center-inner h3 {

    font-size: 2.1rem;

    font-weight: 700;

    color: #0D1B3E;

    margin-bottom: 3px;
}

.center-inner h4 {

    font-size: 1.8rem;

    font-weight: 700;

    color: #0D1B3E;

    margin-bottom: 12px;
}

.center-inner span {

    font-size: 1.3rem;

    color: #0D1B3E;
}

/* -----------------------------
   CARD
----------------------------- */

.service-box {

    position: absolute;

    width: 262px;

    min-height: 170px;

    padding: 20px;

    background: rgba(24, 39, 84, .82);

    border: 1px solid rgba(255, 255, 255, .10);

    border-radius: 16px;

    backdrop-filter: blur(4px);

    transition: .3s;

    z-index: 10;
}

.service-box:hover {

    border-color: var(--primary);

    transform: translateY(-5px);

    box-shadow:
        0 0 25px rgba(0, 212, 170, .15);
}

.service-icon {

    width: 48px;
    height: 48px;

    border-radius: 50%;

    background: rgba(0, 212, 170, .12);

    display: flex;
    align-items: center;
    justify-content: center;

    color: var(--primary);

    font-size: 1.1rem;

    margin-bottom: 12px;
}

.service-no {

    position: absolute;

    top: 14px;
    right: 18px;

    color: rgba(255, 255, 255, .25);

    font-size: 1.2rem;
    font-weight: 700;
}

.service-box h4 {

    color: #fff;

    font-size: 1.15rem;

    font-weight: 700;

    line-height: 1.4;

    margin-bottom: 6px;
}

.service-box span {

    display: block;

    color: #dbe6ff;

    font-size: .9rem;

    margin-bottom: 8px;
}

.service-box p {

    color: var(--text-muted);

    font-size: .9rem;

    line-height: 1.7;

    margin: 0;
}

/* -----------------------------
   POSITION
   원형선 바깥에 걸치게
----------------------------- */

.service-01 {
    left: 150px;
    top: 60px;
}

.service-02 {
    left: 30px;
    top: 280px;
}

.service-03 {
    left: 30px;
    top: 500px;
}

.service-04 {
    left: 150px;
    top: 720px;
}

.service-05 {
    right: 80px;
    top: 660px;
}

.service-06 {
    right: 30px;
    top: 440px;
}

.service-07 {
    right: 80px;
    top: 220px;
}

/* -----------------------------
   BACKGROUND EFFECT
----------------------------- */

.biz-section:before {

    content: "";

    position: absolute;

    left: -300px;
    top: -100px;

    width: 800px;
    height: 800px;

    border-radius: 50%;

    background:
        radial-gradient(circle,
            rgba(59, 130, 246, .08) 0%,
            transparent 70%);
}

.biz-section:after {

    content: "";

    position: absolute;

    right: -300px;
    bottom: -150px;

    width: 900px;
    height: 900px;

    border-radius: 50%;

    background:
        radial-gradient(circle,
            rgba(0, 212, 170, .06) 0%,
            transparent 70%);
}

/* -----------------------------
   TABLET
----------------------------- */

@media (max-width:1199px) {

    .business-map {
        height: auto;
    }

    .circle-line {
        display: none;
    }

    .center-circle {

        position: relative;

        left: auto;
        top: auto;

        transform: none;

        margin: 0 auto 50px;

    }

    .service-box {

        position: relative;

        width: 100%;

        left: auto !important;
        right: auto !important;
        top: auto !important;

        margin-bottom: 15px;
    }
}

/* -----------------------------
   PC & LAPTOP (화면이 넓을 때만 592px 적용)
----------------------------- */
@media (min-width: 768px) {

    /* 특정 요소만 넓이를 592px로 확장 (새로운 변수 선언 없음) */
    .iso-wrap.iso-wide {
        width: 592px;
    }
}

/* -----------------------------
   MOBILE
----------------------------- */
@media (max-width:767px) {

    .biz-section {
        padding: 50px 0;
    }

    .margin-free-business {
        margin-bottom: 250px !important;
    }

    .business-title {
        font-size: 2rem;
    }

    .iso-wrap {
        flex-direction: column;
    }

    .center-circle {
        width: 240px;
        height: 240px;
    }

    .center-inner i {
        font-size: 2.5rem;
    }

    .center-inner h3 {
        font-size: 1.4rem;
    }

    .center-inner h4 {
        font-size: 1.2rem;
    }

    .center-inner span {
        font-size: .8rem;
    }

    .service-box {
        min-height: auto;
    }

    /* 모바일에서는 원래대로 100% 유연하게 유지 */
    .iso-wrap {
        width: 100%;
        height: auto;
        left: 0;
        margin: -210px 0 70px 0;
        padding: 10px;
        box-sizing: border-box;
    }

    .iso-text {
        margin-bottom: -12px;
    }

}