:root {
    --bk: #1e2127;
    --gr900: #3d3f43;
    --gr800: #51555b;
    --gr700: #64686e;
    --gr600: #73777c;
    --gr500: #848e9a;
    --gr200: #d2d9de;
    --gr100: #f9fafb;
    --primary: #246beb;
    --primary-deep: #033075;
    --point: #6da2ff;
    --mint: #8fd0ba;
}

body {
    overflow-x: hidden;
    background: #fff;
}

.home-btn,
.kick-btn {
    display: none;
}

.carbon-home-btn {
    position: fixed;
    top: 24px;
    right: 24px;
    z-index: 1200;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 88px;
    height: 48px;
    padding: 0 20px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.82);
    border: 1px solid rgba(19, 23, 34, 0.08);
    box-shadow: 0 10px 24px rgba(15, 35, 61, 0.12);
    backdrop-filter: blur(10px);
    color: var(--bk);
    font-size: 16px;
    font-weight: 600;
}

.carbon-grid {
    max-width: 1428px;
    width: 100%;
    margin: 0 auto;
}

.carbon-first {
    width: 100%;
    height: 100vh;
    position: relative;
    overflow: hidden;
}

.carbon-first::after {
    position: absolute;
    inset: 0;
    content: "";
    background:
        radial-gradient(circle at 16% 20%, rgba(143, 208, 186, 0.35), transparent 22%),
        radial-gradient(circle at 78% 18%, rgba(109, 162, 255, 0.26), transparent 20%),
        linear-gradient(180deg, #edf5f8 0%, #f6f9ff 100%);
    z-index: -2;
}

.carbon-first::before {
    position: absolute;
    inset: 0;
    content: "";
    background: url(../images/carbon/carbon-main-bg.png) no-repeat center center;
    background-size: cover;
    opacity: 0.08;
    z-index: -1;
}

.fv-content {
    position: absolute;
    width: 100%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.fst-name {
    font-size: 40px;
    padding-top: 64px;
    font-weight: 500;
}

.grd-text {
    background: linear-gradient(94deg, rgba(0, 0, 1, 1) 0%, rgba(47, 102, 185, 1) 100%);
    color: transparent !important;
    -webkit-background-clip: text;
    display: inline-block;
}

.vb-pst {
    text-align: center;
    padding-bottom: 32px;
}

.visual-badge {
    padding: 12px 24px;
    border-radius: 50px;
    background: linear-gradient(270deg, rgba(35, 89, 172, 1) 0%, rgba(3, 48, 117, 1) 100%);
    color: #fff;
    display: inline-block;
}

.carbon-hero-center {
    text-align: center;
}

.carbon-logo-mark {
    display: inline-flex;
    align-items: center;
    gap: 20px;
    padding: 24px 32px;
    border-radius: 28px;
    background: rgba(255, 255, 255, 0.72);
    box-shadow: 0 18px 40px rgba(15, 35, 61, 0.12);
    backdrop-filter: blur(14px);
}

.carbon-orbit {
    width: 86px;
    height: 86px;
    position: relative;
}

.carbon-orbit .ring {
    position: absolute;
    border-radius: 50%;
    border: 2px solid transparent;
}

.carbon-orbit .ring-a {
    inset: 0;
    border-color: rgba(36, 107, 235, 0.9);
    transform: rotate(20deg);
}

.carbon-orbit .ring-b {
    inset: 12px;
    border-color: rgba(143, 208, 186, 0.9);
    transform: rotate(-24deg);
}

.carbon-orbit .core {
    position: absolute;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: linear-gradient(135deg, #246beb, #8fd0ba);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.carbon-wordmark {
    text-align: left;
}

.carbon-wordmark strong {
    display: block;
    font-size: 42px;
    line-height: 1;
    letter-spacing: -0.06em;
    color: var(--bk);
    font-weight: 700;
}

.carbon-wordmark span {
    display: block;
    margin-top: 8px;
    color: var(--gr600);
    font-size: 15px;
    text-transform: lowercase;
    letter-spacing: 0.06em;
}

.carbon-main-title {
    max-width: 980px;
    margin: 44px auto 0;
    font-size: 68px;
    line-height: 1.18;
    letter-spacing: -0.06em;
    font-weight: 700;
    color: var(--bk);
    word-break: keep-all;
}

.carbon-main-sub {
    max-width: 760px;
    margin: 24px auto 0;
    color: var(--gr700);
    font-size: 20px;
    line-height: 32px;
    word-break: keep-all;
}

.carbon-floating-card {
    display: flex;
    justify-content: space-between;
    margin-top: 60px;
}

.carbon-floating-card > li {
    width: 320px;
    padding: 24px 26px;
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.62);
    border: 1px solid rgba(255, 255, 255, 0.8);
    box-shadow: 0 16px 36px rgba(15, 35, 61, 0.08);
    transform: translateY(40px);
    opacity: 0;
    transition: all 0.7s;
    backdrop-filter: blur(12px);
}

.carbon-floating-card > li.side {
    position: relative;
    top: 28px;
}

.carbon-floating-card > li strong {
    display: block;
    margin-bottom: 8px;
    color: var(--primary);
    font-size: 24px;
    font-weight: 700;
}

.carbon-floating-card > li p {
    color: var(--gr700);
    font-size: 17px;
    line-height: 28px;
}

.carbon-first.ani .carbon-floating-card > li {
    transform: translateY(0);
    opacity: 1;
}

.carbon-first.ani .carbon-floating-card > li:nth-child(2) {
    transition-delay: 0.2s;
}

.carbon-first.ani .carbon-floating-card > li:nth-child(3) {
    transition-delay: 0.4s;
}

.eng-tit {
    font-size: 20px;
    margin-bottom: 8px;
    color: var(--primary);
    font-weight: 600;
}

.kor-tit {
    font-size: 40px;
    font-weight: 600;
    line-height: 140%;
    word-break: keep-all;
}

.sub-txt {
    display: inline-block;
    margin-top: 24px;
}

.overview-con {
    display: flex;
    justify-content: space-between;
    padding: 160px 0 220px;
}

.ov-area {
    max-width: 520px;
    width: 100%;
}

.pr-info {
    padding: 48px 0;
}

.pr-info > dl {
    display: flex;
    align-items: center;
    margin-bottom: 24px;
}

.pr-info > dl:last-child {
    margin-bottom: 0;
}

.pr-info > dl dt {
    min-width: 120px;
    font-size: 20px;
    font-weight: 600;
}

.pr-info > dl dd {
    font-size: 20px;
}

.badge {
    padding: 2px 8px;
    border-radius: 8px;
    font-size: 14px;
    border: 1px solid var(--bk);
}

.tool-box {
    width: 32px;
    height: 32px;
}

.tool-box > img {
    width: 100%;
    object-fit: contain;
}

.carbon-overview-side {
    display: grid;
    gap: 20px;
    width: 420px;
}

.carbon-side-card {
    padding: 30px;
    border-radius: 28px;
    background: #fff;
    box-shadow: 2px 6px 20px rgba(17, 42, 128, 0.08);
}

.carbon-side-card span {
    color: var(--primary);
    font-size: 15px;
    font-weight: 600;
}

.carbon-side-card strong {
    display: block;
    margin: 14px 0 10px;
    font-size: 32px;
    line-height: 1.2;
    font-weight: 700;
}

.carbon-side-card p {
    color: var(--gr700);
    line-height: 28px;
}

.change-point {
    width: 100%;
    background: #16151a;
    color: #fff;
}

.change-point div,
.change-point p,
.change-point span,
.change-point h1,
.change-point strong {
    color: #fff;
}

.goal-con {
    position: relative;
    width: 100%;
    height: 100%;
}

.goal-wrap {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    margin: 0 auto;
    transform: translateY(-50%);
    max-width: 1120px;
    width: calc(100% - 80px);
    z-index: 1;
    padding: 0;
}

.change-point .eng-tit {
    color: var(--point);
    text-align: center;
}

.carbon-goal-bg {
    height: 100vh;
    background:
        radial-gradient(circle at 15% 30%, rgba(36, 107, 235, 0.22), transparent 18%),
        radial-gradient(circle at 80% 24%, rgba(143, 208, 186, 0.18), transparent 16%),
        linear-gradient(180deg, #13151c 0%, #1b1f2a 100%);
}

.carbon-goal-list {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px;
    align-items: flex-start;
    margin-top: 80px;
    transform: translateY(60px);
    opacity: 0;
    transition: all 0.7s ease-in-out;
}

.goal-wrap.ani .carbon-goal-list {
    opacity: 1;
    transform: translateY(0);
}

.carbon-goal-list > li {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.goal-cap {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 14px 28px;
    border-radius: 999px;
    background: linear-gradient(135deg, #246beb 0%, #6da2ff 100%);
    font-size: 22px;
    font-weight: 700;
    text-align: center;
}

.carbon-goal-list > li span {
    display: inline-block;
    margin-top: 28px;
    max-width: 100%;
    color: rgba(255, 255, 255, 0.76);
    font-size: 20px;
    line-height: 32px;
    text-align: center;
}

.pps-con {
    display: flex;
    justify-content: space-between;
    padding: 180px 0;
}

.tit-area {
    max-width: 520px;
}

.pps-box {
    border-radius: 24px;
    padding: 30px;
    margin-bottom: 24px;
}

.bk-box {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.wt-box {
    background: #fff;
}

.wt-box div,
.wt-box span {
    color: var(--bk);
}

.wt-box .text-wrap span {
    color: var(--gr700);
}

.box-tit {
    margin-bottom: 16px;
    font-size: 24px;
    font-weight: 700;
}

.text-wrap {
    display: grid;
    gap: 12px;
}

.text-wrap span {
    color: rgba(255, 255, 255, 0.72);
    font-size: 18px;
    line-height: 30px;
}

.carbon-line {
    width: 100%;
    margin: 28px 0;
    text-align: center;
}

.carbon-line > div {
    width: 2px;
    height: 70px;
    margin: 0 auto;
    background: linear-gradient(180deg, rgba(109, 162, 255, 0.2), rgba(109, 162, 255, 1));
}

.carbon-flow-con {
    padding: 0 0 180px;
}

.carbon-flow-wrap {
    margin-top: 56px;
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
}

.flow-step {
    padding: 18px 24px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.08);
    font-size: 18px;
    font-weight: 600;
}

.flow-aw {
    width: 30px;
    height: 10px;
    position: relative;
}

.flow-aw::before {
    content: "";
    position: absolute;
    top: 4px;
    left: 0;
    width: 20px;
    height: 2px;
    background: #6da2ff;
}

.flow-aw::after {
    content: "";
    position: absolute;
    top: 1px;
    right: 0;
    width: 8px;
    height: 8px;
    border-top: 2px solid #6da2ff;
    border-right: 2px solid #6da2ff;
    transform: rotate(45deg);
}

.carbon-guide-con {
    padding: 180px 0;
}

.carbon-guide-head {
    text-align: center;
}

.cg-center {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 40px;
    margin-top: 80px;
}

.carbon-guide-txt {
    max-width: 500px;
}

.gd-color-tit {
    font-size: 40px;
    line-height: 54px;
    font-weight: 700;
    background: linear-gradient(to left top, #145cc6, #3d86f2);
    color: transparent !important;
    -webkit-background-clip: text;
    margin-bottom: 24px;
    word-break: keep-all;
}

.carbon-guide-txt > span {
    font-size: 18px;
    line-height: 30px;
    color: #717f90;
    display: inline-block;
    word-break: keep-all;
}

.carbon-dashboard-box {
    width: 100%;
    max-width: 680px;
    padding: 28px;
    border-radius: 32px;
    background: #fff;
    box-shadow: 2px 6px 24px rgba(17, 42, 128, 0.08);
}

.dashboard-top {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 18px;
}

.mini-card {
    padding: 20px;
    border-radius: 20px;
    background: #f5f8fc;
}

.mini-card span {
    display: block;
    margin-bottom: 8px;
    color: var(--gr600);
    font-size: 14px;
}

.mini-card strong {
    color: var(--bk);
    font-size: 24px;
    font-weight: 700;
}

.dashboard-graph {
    position: relative;
    height: 300px;
    border-radius: 24px;
    overflow: hidden;
    background: linear-gradient(180deg, #142747 0%, #1b3968 100%);
}

.graph-grid,
.graph-fill,
.graph-line {
    position: absolute;
    inset: 0;
}

.graph-grid {
    background-image: linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px);
    background-size: 100% 52px;
}

.graph-fill {
    inset: auto 8% 14% 8%;
    height: 170px;
    background: linear-gradient(180deg, rgba(143, 208, 186, 0.18), rgba(143, 208, 186, 0.38));
    clip-path: polygon(0 84%, 14% 70%, 28% 72%, 42% 44%, 56% 50%, 72% 26%, 86% 34%, 100% 8%, 100% 100%, 0 100%);
}

.graph-line {
    inset: auto 8% 14% 8%;
    height: 170px;
}

.graph-line::before {
    content: "";
    position: absolute;
    inset: 0;
    border-top: 4px solid #8fd0ba;
    clip-path: polygon(0 84%, 14% 70%, 28% 72%, 42% 44%, 56% 50%, 72% 26%, 86% 34%, 100% 8%, 100% 0, 0 0);
}

.carbon-feature-grid {
    margin-top: 32px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.feature-item {
    padding: 30px 24px;
    border-radius: 24px;
    background: #fff;
    box-shadow: 2px 6px 20px rgba(17, 42, 128, 0.08);
}

.feature-item strong {
    display: block;
    margin-bottom: 12px;
    font-size: 24px;
    font-weight: 700;
    color: var(--primary);
}

.feature-item p {
    color: var(--gr700);
    line-height: 28px;
}

.carbon-last {
    padding-bottom: 160px;
}

.last-tit {
    font-size: 40px;
    margin-bottom: 48px;
    font-weight: 600;
}

.carbon-last-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.carbon-pdf-action {
    margin-top: 32px;
    text-align: center;
}

.pdf-open-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 30px;
    border-radius: 999px;
    background: linear-gradient(135deg, #246beb 0%, #6da2ff 100%);
    color: #fff;
    font-size: 18px;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 12px 24px rgba(36, 107, 235, 0.18);
}

.pdf-modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.25s ease;
}

.pdf-modal.open {
    opacity: 1;
    visibility: visible;
}

.pdf-modal-bg {
    position: absolute;
    inset: 0;
    background: rgba(11, 16, 26, 0.72);
    backdrop-filter: blur(8px);
}

.pdf-modal-dialog {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: min(1100px, calc(100% - 40px));
    height: min(86vh, 900px);
    border-radius: 28px;
    background: #fff;
    overflow: hidden;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.24);
}

.pdf-modal-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid #e6ebf2;
}

.pdf-modal-head strong {
    color: var(--bk);
    font-size: 22px;
    font-weight: 700;
}

.pdf-close {
    padding: 10px 16px;
    border-radius: 999px;
    background: #f3f6fb;
    color: var(--bk);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
}

.pdf-modal-body {
    height: calc(100% - 73px);
    background: #e9eff6;
}

.pdf-modal-body object,
.pdf-modal-body iframe {
    width: 100%;
    height: 100%;
    border: 0;
    background: #fff;
}

.last-box {
    padding: 36px 30px;
    border-radius: 28px;
    background: #fff;
    box-shadow: 2px 6px 20px rgba(17, 42, 128, 0.08);
}

.last-list {
    display: grid;
    gap: 14px;
    margin-top: 18px;
}

.last-list span {
    padding: 16px 18px;
    border-radius: 16px;
    background: #f5f8fc;
    color: var(--bk);
    font-size: 18px;
    font-weight: 600;
}

.last-copy {
    margin-top: 18px;
}

.last-copy strong {
    display: block;
    margin-bottom: 12px;
    color: var(--bk);
    font-size: 28px;
    font-weight: 700;
}

.last-copy p {
    color: var(--gr700);
    font-size: 18px;
    line-height: 30px;
}

.scroll-ani {
    transform: translateY(40px);
    opacity: 0;
    transition: all 0.7s ease;
}

.scroll-ani.ani {
    transform: translateY(0);
    opacity: 1;
}

@media (max-width: 1280px) {
    .overview-con,
    .cg-center,
    .carbon-last-grid {
        grid-template-columns: 1fr;
        display: grid;
    }

    .carbon-overview-side,
    .carbon-dashboard-box {
        width: 100%;
        max-width: 100%;
    }

    .carbon-feature-grid,
    .carbon-floating-card,
    .problem-grid,
    .effect-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .carbon-goal-list {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 767px) {
    .carbon-grid {
        width: calc(100% - 24px);
    }

    .carbon-home-btn {
        top: 16px;
        right: 16px;
        min-width: 76px;
        height: 42px;
        padding: 0 16px;
        font-size: 15px;
    }

    .carbon-first {
        height: auto;
        padding: 120px 0 80px;
    }

    .goal-wrap {
        left: 50%;
    }

    .fv-content {
        position: static;
        transform: none;
    }

    .fst-name,
    .last-tit {
        font-size: 28px;
    }

    .carbon-logo-mark {
        flex-direction: column;
        text-align: center;
    }

    .carbon-wordmark {
        text-align: center;
    }

    .carbon-main-title {
        font-size: 38px;
        line-height: 1.3;
    }

    .carbon-main-sub,
    .sub-txt,
    .carbon-guide-txt > span,
    .last-copy p,
    .text-wrap span {
        font-size: 16px;
        line-height: 28px;
    }

    .kor-tit,
    .gd-color-tit {
        font-size: 28px;
        line-height: 40px;
    }

    .carbon-floating-card,
    .carbon-feature-grid,
    .carbon-last-grid,
    .dashboard-top {
        display: grid;
        grid-template-columns: 1fr;
    }

    .carbon-floating-card > li,
    .carbon-goal-list > li {
        width: 100%;
    }

    .carbon-goal-list {
        gap: 24px;
        justify-items: center;
    }

    .goal-cap {
        width: 100%;
    }

    .pps-con {
        display: grid;
        gap: 32px;
        padding: 100px 0;
    }

    .carbon-flow-wrap {
        flex-direction: column;
        align-items: stretch;
    }

    .flow-aw {
        width: 10px;
        height: 28px;
        margin: 0 auto;
    }

    .flow-aw::before {
        width: 2px;
        height: 20px;
        left: 4px;
        top: 0;
    }

    .flow-aw::after {
        top: auto;
        bottom: 0;
        right: 1px;
        transform: rotate(135deg);
    }

    .carbon-guide-con,
    .carbon-last {
        padding: 100px 0;
    }

    .pdf-modal-dialog {
        width: calc(100% - 24px);
        height: 82vh;
        border-radius: 20px;
    }

    .pdf-modal-head {
        padding: 16px;
    }

    .pdf-modal-head strong {
        font-size: 18px;
    }

    .pdf-modal-body {
        height: calc(100% - 65px);
    }
}