.hero_title {
    color: #ffffff;
    font-size: 32px;
    font-weight: 600;
    line-height: 1.3;
    letter-spacing: -0.02em;
}

.intro_eyebrow {
    color: var(--color_text_muted);
    font-size: 16px;
    font-weight: 500;
    line-height: 1.3;
}

.intro_title {
    margin-top: var(--space_1);
    font-size: 28px;
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: -0.02em;
    background: linear-gradient(120deg, var(--color_brand) 0%, #000000 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.menu_grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space_2);
}

.menu_card {
    position: relative;
    display: block;
    aspect-ratio: 173 / 176;
    padding: 22px 18px;
    border-radius: var(--radius_card);
    overflow: hidden;
    isolation: isolate;
}

.menu_card_image {
    position: absolute;
    inset: 0;
    z-index: -2;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.menu_card_scrim {
    position: absolute;
    inset: 0;
    z-index: -1;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.72) 0%, rgba(0, 0, 0, 0.4) 100%);
}

.menu_card_title {
    display: block;
    color: #ffffff;
    font-size: 20px;
    font-weight: 600;
    line-height: 1.3;
    letter-spacing: -0.02em;
}

.menu_card_arrow {
    position: absolute;
    left: 18px;
    bottom: 18px;
    display: flex;
    width: 27px;
    height: 27px;
    transition: transform 0.25s ease;
}

.menu_card:hover .menu_card_image,
.menu_card:focus-visible .menu_card_image {
    transform: scale(1.06);
}

.menu_card:hover .menu_card_arrow,
.menu_card:focus-visible .menu_card_arrow {
    transform: translateX(4px);
}

.about_text {
    color: #ffffff;
    font-size: 16px;
    font-weight: 500;
    line-height: 1.55;
    letter-spacing: -0.02em;
}

.field_title {
    font-size: 28px;
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: -0.02em;
}

.field_card {
    position: relative;
    display: grid;
    gap: var(--space_2);
    padding: 32px 26px 30px;
    border-radius: var(--radius_card);
    background:
        radial-gradient(120% 90% at 100% 0%, rgba(43, 161, 255, 0.22) 0%, rgba(43, 161, 255, 0) 58%),
        linear-gradient(160deg, var(--color_card) 0%, var(--color_card_deep) 100%);
    overflow: hidden;
    isolation: isolate;
    transition:
        transform 0.32s var(--ease_out_soft),
        box-shadow 0.32s ease;
}

.field_card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--color_brand) 0%, var(--color_brand_light) 42%, rgba(74, 212, 255, 0) 100%);
    transition:
        height 0.32s ease,
        background 0.32s ease;
}

.field_card_index {
    position: absolute;
    top: 24px;
    right: 24px;
    color: rgba(255, 255, 255, 0.22);
    font-size: 34px;
    font-weight: 700;
    line-height: 1;
    letter-spacing: -0.03em;
}

.field_card_icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 46px;
    margin-bottom: var(--space_1);
    border: 1px solid rgba(255, 255, 255, 0.28);
    border-radius: 14px;
    background-color: rgba(255, 255, 255, 0.1);
    transition:
        border-color 0.32s ease,
        background-color 0.32s ease;
}

.field_card_icon img {
    width: 27px;
    height: 27px;
}

.field_card_tag {
    justify-self: start;
    padding: 4px 12px;
    border: 1px solid rgba(255, 255, 255, 0.32);
    border-radius: var(--radius_pill);
    color: #ffffff;
    transition:
        border-color 0.32s ease,
        color 0.32s ease;
    font-size: 13px;
    font-weight: 600;
    line-height: 1.3;
    letter-spacing: -0.02em;
}

.field_card_lead {
    margin-top: var(--space_1);
    color: #ffffff;
    font-size: 18px;
    font-weight: 600;
    line-height: 1.5;
    letter-spacing: -0.02em;
}

.field_card_desc {
    color: rgba(255, 255, 255, 0.72);
    font-size: 14px;
    font-weight: 500;
    line-height: 1.6;
    letter-spacing: -0.02em;
}

/* ========== 지표 카드 (연구 성과 / 데이터 아카이브 공용) ========== */

/* 모바일 2열 → 태블릿 이상에서 넓어진다. */
.stat_list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space_3);
    margin-top: var(--space_8);
}

.stat_card {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: var(--space_2);
    min-height: 116px;
    padding: 20px 18px;
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: var(--radius_card);
    background-color: #f7fbff;
    text-align: center;
}

.stat_label {
    color: var(--color_text_sub);
    font-size: 14px;
    font-weight: 600;
    line-height: 1.4;
    letter-spacing: -0.02em;
    word-break: keep-all;
}

.stat_value {
    color: var(--color_brand);
    font-size: 26px;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.stat_unit {
    margin-left: 2px;
    font-size: 16px;
    font-weight: 600;
}

/* ========== 연구 성과 ==========
 * 지표 카드의 그리드 뼈대(.stat_list/.stat_card)는 데이터 아카이브와 공용이고,
 * 메인은 왼쪽 제목 + 오른쪽 글래스 카드 구성으로 .result 안에서만 덮어쓴다.
 */

.result_eyebrow {
    display: flex;
    align-items: center;
    gap: var(--space_2);
    color: var(--color_brand);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.14em;
}

.result_eyebrow_dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background-color: var(--color_brand_light);
}

.result_title {
    margin-top: var(--space_4);
    font-size: 34px;
    font-weight: 800;
    line-height: 1.25;
    letter-spacing: -0.03em;
}

.result_lead {
    margin-top: var(--space_5);
    color: var(--color_text_sub);
    font-size: 15px;
    font-weight: 500;
    line-height: 1.8;
    letter-spacing: -0.02em;
    word-break: keep-all;
}

.result .stat_list {
    grid-template-columns: 1fr;
    gap: var(--space_4);
    margin-top: var(--space_10);
}

/* ---------- 글래스 카드 ---------- */

.result .stat_card {
    position: relative;
    justify-content: flex-start;
    gap: 0;
    min-height: 0;
    padding: 28px 26px 30px;
    border: 1px solid rgba(255, 255, 255, 0.9);
    border-radius: 24px;
    background: linear-gradient(150deg, rgba(255, 255, 255, 0.92) 0%, rgba(255, 255, 255, 0.58) 100%);
    box-shadow:
        0 18px 40px rgba(43, 161, 255, 0.13),
        inset 0 1px 0 rgba(255, 255, 255, 0.95);
    overflow: hidden;
    text-align: left;
    transition:
        transform 0.3s var(--ease_out_soft),
        box-shadow 0.3s ease;
}

/* 유리 너머가 비치는 느낌 — 지원하는 브라우저에서만 켠다. */
@supports (backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px)) {
    .result .stat_card {
        -webkit-backdrop-filter: blur(18px);
        backdrop-filter: blur(18px);
    }
}

/* 카드 안쪽 위에서 흘러내리는 빛 */
.result .stat_card::after {
    content: "";
    position: absolute;
    top: -40%;
    right: -20%;
    width: 70%;
    aspect-ratio: 1;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(43, 161, 255, 0.18) 0%, rgba(43, 161, 255, 0) 70%);
    pointer-events: none;
}

.stat_index {
    color: var(--color_brand);
    font-size: 14px;
    font-weight: 800;
    letter-spacing: 0.06em;
}

/* 3D 아이콘은 카드 오른쪽 위에 띄운다. */
.stat_icon {
    position: absolute;
    top: 18px;
    right: 20px;
    width: 76px;
    height: 76px;
    filter: drop-shadow(0 10px 18px rgba(43, 161, 255, 0.28));
}

.result .stat_label {
    margin-top: var(--space_5);
    color: var(--color_text);
    font-size: 20px;
    font-weight: 700;
    line-height: 1.35;
    letter-spacing: -0.02em;
    word-break: keep-all;
}

.result .stat_value {
    margin-top: var(--space_3);
    color: var(--color_text);
    /* 숫자와 단위가 갈라지지 않게 한 줄로 묶는다. */
    white-space: nowrap;
    font-size: 34px;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.03em;
    /* 숫자가 올라갈 때 폭이 출렁이지 않도록 고정폭 숫자를 쓴다. */
    font-variant-numeric: tabular-nums;
}

.result .stat_unit {
    margin-left: 3px;
    color: var(--color_text_sub);
    font-size: 16px;
    font-weight: 600;
}

.stat_desc {
    margin-top: var(--space_3);
    color: var(--color_text_sub);
    font-size: 13px;
    font-weight: 500;
    line-height: 1.7;
    letter-spacing: -0.02em;
    word-break: keep-all;
}

/* ========== 최신 연구보고서 ========== */

.report_eyebrow {
    color: rgba(255, 255, 255, 0.9);
    font-size: 16px;
    font-weight: 500;
    line-height: 1.55;
    letter-spacing: -0.02em;
    word-break: keep-all;
}

.report_title {
    margin-top: var(--space_1);
    color: #ffffff;
    font-size: 28px;
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: -0.02em;
}

/* 모바일은 표지를 세로로 쌓아 가로 스크롤이 아예 생기지 않게 한다. */
.report_scroller {
    margin-top: var(--space_6);
}

.report_list {
    display: grid;
    gap: var(--space_5);
}

.report_card {
    display: block;
    /* 세로로 쌓을 때 표지가 지나치게 커지지 않도록 폭을 묶는다. */
    max-width: 260px;
    margin-inline: auto;
    transition: transform 0.28s var(--ease_out_soft);
}

/*
 * 연구보고서 표지.
 * 시안 비율(171:263)을 유지하고, 안쪽 글자는 카드 폭에 비례하도록 cqw로 잡는다.
 */
.report_cover {
    container-type: inline-size;
    position: relative;
    display: flex;
    flex-direction: column;
    aspect-ratio: 171 / 263;
    padding: 9% 8%;
    border-radius: 15px;
    background-color: var(--color_surface);
    overflow: hidden;
    box-shadow: 3px 4px 5px rgba(0, 0, 0, 0.06);
}

.report_cover_code {
    position: relative;
    z-index: 1;
    align-self: flex-start;
    padding: 3px 8px;
    border-radius: var(--radius_pill);
    background-color: #1b1616;
    color: #ffffff;
    font-size: 5.2cqw;
    font-weight: 500;
    letter-spacing: -0.02em;
}

.report_cover_title {
    position: relative;
    z-index: 1;
    margin-top: 7%;
    color: var(--color_text);
    font-size: 8.4cqw;
    font-weight: 700;
    line-height: 1.4;
    letter-spacing: -0.02em;
    word-break: keep-all;
}

.report_cover_authors {
    position: relative;
    z-index: 1;
    margin-top: 4%;
    color: var(--color_text_sub);
    font-size: 5.6cqw;
    font-weight: 500;
    letter-spacing: -0.02em;
}

/* 표지 오른쪽 아래에 놓이는 안내 문구 */
.report_cover_note {
    position: absolute;
    z-index: 1;
    right: 8%;
    bottom: 17%;
    color: var(--color_text_sub);
    font-size: 4.6cqw;
    font-weight: 500;
    line-height: 1.5;
    letter-spacing: -0.02em;
    text-align: right;
}

/*
 * Figma에서 내려받은 네트워크 일러스트 원본(428x659).
 * 원본 위쪽이 흰 여백이라 그림이 있는 아래쪽만 잘라 표지 하단에 깔고,
 * 글자가 가리지 않도록 표지 안에서 가장 아래에 둔다.
 */
.report_cover_graphic {
    position: absolute;
    z-index: 0;
    left: 0;
    right: 0;
    bottom: 11%;
    height: 46%;
    overflow: hidden;
}

.report_cover_graphic img {
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: auto;
}

.report_cover_logo {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    gap: 3%;
    margin-top: auto;
    color: var(--color_text);
    font-size: 5.4cqw;
    font-weight: 700;
    letter-spacing: -0.02em;
    white-space: nowrap;
}

.report_cover_logo img {
    width: 9cqw;
    height: 9cqw;
}

/* 보고서 목록 아래 파트너십 안내 — 파란 띠 위라 흰 글씨로 둔다. */
.report_note {
    margin-top: var(--space_6);
    color: rgba(255, 255, 255, 0.78);
    font-size: 12px;
    font-weight: 500;
    line-height: 1.7;
    letter-spacing: -0.01em;
    word-break: keep-all;
}


.link_list {
    display: flex;
    flex-direction: column;
}

.link_item {
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.link_item:last-child {
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.link_anchor {
    display: grid;
    gap: var(--space_1);
    padding: var(--space_5) 0;
}

.link_title {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 24px;
    font-weight: 600;
    line-height: 1.3;
    letter-spacing: -0.02em;
}

.link_dot {
    width: 8px;
    height: 8px;
    transform: rotate(-45deg);
    background: linear-gradient(135deg, var(--color_brand) 0%, var(--color_brand_light) 100%);
}

.link_desc {
    color: var(--color_brand);
    font-size: 16px;
    font-weight: 500;
    line-height: 1.3;
    letter-spacing: -0.02em;
}

.link_anchor:hover .link_desc,
.link_anchor:focus-visible .link_desc {
    text-decoration: underline;
}

.footer_logo {
    display: flex;
    align-items: center;
    gap: 9px;
}

.footer_logo_symbol {
    height: 26px;
    width: auto;
}

.footer_logo_text {
    color: var(--color_text);
    font-size: 19px;
    font-weight: 700;
    letter-spacing: -0.03em;
    white-space: nowrap;
}

.footer_address {
    display: grid;
    gap: var(--space_3);
    font-size: 12px;
    font-weight: 600;
    line-height: 1.3;
    letter-spacing: -0.02em;
}

.footer_policy {
    display: flex;
    gap: 58px;
    margin-top: 31px;
    font-size: 12px;
    font-weight: 600;
    line-height: 1.3;
}

.footer_policy a:hover,
.footer_policy a:focus-visible {
    text-decoration: underline;
}

.to_top {
    position: fixed;
    right: 18px;
    bottom: 22px;
    z-index: 40;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: linear-gradient(140deg, var(--color_brand) 0%, var(--color_brand_light) 100%);
    box-shadow: 0 6px 18px rgba(43, 161, 255, 0.38);
    opacity: 0;
    transform: translateY(14px) scale(0.9);
    pointer-events: none;
    transition:
        opacity 0.3s ease,
        transform 0.36s var(--ease_out_soft);
}

.to_top.is_visible {
    opacity: 1;
    transform: none;
    pointer-events: auto;
}

.to_top svg {
    width: 21px;
    height: 21px;
    fill: none;
    stroke: #ffffff;
    stroke-width: 2;
}

.to_top:hover,
.to_top:focus-visible {
    box-shadow: 0 8px 22px rgba(43, 161, 255, 0.55);
}

.to_top:active {
    transform: scale(0.94);
}

.footer_copyright {
    padding: var(--space_2) 0;
    font-size: 12px;
    font-weight: 600;
    line-height: 1.3;
    letter-spacing: -0.02em;
}