/* ============================================
   메인 페이지 스타일 (main.css)
   - 히어로, 비즈니스, 솔루션, 커뮤니케이션, 파트너, 우수성 섹션
   ============================================ */

/* ===== main_visual (sanggong-style fullheight hero) ===== */
/* 헤더가 fixed이므로 main 상단 패딩으로 섹션이 헤더 아래부터 시작 */
main {
    background: #ffffff;
    padding-top: 80px;
}

.section.section-fullheight.main_visual.hero-current {
    position: relative;
    margin: 24px;
    width: calc(100% - 48px);
    min-height: calc(100vh - 48px - 80px);
    height: calc(100vh - 48px - 80px);
    overflow: hidden;
    background: #0a0a0a;
    border-radius: 24px;
    box-sizing: border-box;
}

/* 라이트 모드: main·메인 비주얼 주변 여백·배경 밝게 */
/* body.prototype-03.light-mode main {
    background: #f5f5f5;
} */

body.prototype-03.light-mode .section.main_visual.hero-current {
    background: #fff;
}

.main_visual .main_visual__ripple-layer {
    position: absolute;
    inset: 0;
    z-index: 1;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    transition: z-index 0s;
}

.main_visual .main_visual__ripple-layer.is-transitioning {
    z-index: 12;
}

.main_visual .main_visual__swiper {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
}

.main_visual .main_visual__swiper .swiper-wrapper {
    position: relative;
    z-index: 2;
    height: 100%;
}

.main_visual .main_visual__swiper .swiper-slide {
    position: relative;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: transparent;
}

.main_visual .main_visual__bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.main_visual .slide-bg {
    overflow: hidden;
}

.main_visual .main_visual__bg--simlink {
    background-image: url('../../sub/images/SimLinkAI.png');
}

.main_visual .main_visual__bg--video {
    background: none;
}

.main_visual .main_visual__bg--video .main_visual__video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.main_visual .main_visual__content {
    position: relative;
    z-index: 1;
    padding: 2rem;
    max-width: 900px;
}

.main_visual .main_visual__title {
    font-family: "Paperozi", "Pretendard Variable", sans-serif;
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    color: #fff;
    margin: 0 0 1rem;
    line-height: 1.2;
}

.main_visual .main_visual__sub {
    font-family: "Paperozi", "Pretendard Variable", sans-serif;
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: rgba(255, 255, 255, 0.9);
    margin: 0 0 2.5rem;
    line-height: 1.5;
}

.main_visual .main_visual__btns {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 1.25rem;
}

.main_visual .main_visual__btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 160px;
    height: 160px;
    border-radius: 50%;
    font-family: "Paperozi", "Pretendard Variable", sans-serif;
    font-size: 1.125rem;
    font-weight: 600;
    text-decoration: none;
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease, transform 0.3s ease;
}

.main_visual .main_visual__btn--outline {
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255, 255, 255, 0.6);
}

.main_visual .main_visual__btn--outline:hover {
    border-color: #fff;
    color: #fff;
}

.main_visual .main_visual__btn--fill {
    background: #2563eb;
    color: #fff;
    border: none;
}

.main_visual .main_visual__btn--fill:hover {
    background: #1d4ed8;
    color: #fff;
}

.main_visual .main_visual__nav {
    position: absolute;
    inset: 0;
    z-index: 10;
    pointer-events: none;
}

/* reveal overlay (슬라이드 전환) */
.main_visual .main_visual__reveal {
    position: absolute;
    inset: 0;
    z-index: 15;
    pointer-events: none;
    visibility: hidden;
}

.main_visual .main_visual__reveal.is-active {
    visibility: visible;
    pointer-events: auto;
}

.main_visual .main_visual__reveal__content {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.main_visual .main_visual__reveal__clip {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    clip-path: circle(0% at 50% 50%);
    transition: clip-path 1s cubic-bezier(0.42, 0, 0.58, 1);
}

.main_visual .main_visual__reveal.is-animating .main_visual__reveal__clip {
    clip-path: circle(150% at 50% 50%);
}

.main_visual .main_visual__reveal__content .main_visual__reveal__clone,
.main_visual .main_visual__reveal__content .main_visual__reveal__clone .main_visual__bg,
.main_visual .main_visual__reveal__content .main_visual__reveal__clone .main_visual__content {
    position: absolute;
    inset: 0;
}

.main_visual .main_visual__reveal__content .main_visual__reveal__clone {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.main_visual .main_visual__reveal__content .main_visual__reveal__clone .main_visual__content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.main_visual .main_visual__nav > * {
    pointer-events: auto;
}

.main_visual .main_visual__indicators {
    position: absolute;
    left: clamp(1.5rem, 4vw, 3rem);
    bottom: clamp(1.5rem, 4vw, 3rem);
    top: auto;
    transform: none;
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.main_visual .main_visual__indicator {
    background: none;
    border: none;
    padding: 0.25rem 0;
    font-family: "Paperozi", "Pretendard Variable", sans-serif;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
    cursor: pointer;
    text-align: left;
    transition: color 0.3s ease;
    position: relative;
    padding-left: 1rem;
}

.main_visual .main_visual__indicator::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    transition: background 0.3s ease;
}

.main_visual .main_visual__indicator.is-active {
    color: #fff;
}

.main_visual .main_visual__indicator.is-active::before {
    background: #fff;
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.3);
}

.main_visual .main_visual__indicator:hover {
    color: rgba(255, 255, 255, 0.9);
}

.main_visual .main_visual__arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    border: none;
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
    cursor: pointer;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    transition: background 0.3s ease, color 0.3s ease;
}

.main_visual .main_visual__arrow:hover {
    background: rgba(255, 255, 255, 0.3);
}

.main_visual .main_visual__arrow--prev {
    left: clamp(1rem, 2vw, 2rem);
}

.main_visual .main_visual__arrow--next {
    right: clamp(1rem, 2vw, 2rem);
}

.main_visual .main_visual__arrow--prev::after {
    content: "‹";
}

.main_visual .main_visual__arrow--next::after {
    content: "›";
}

.hero-slider-controls {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-top: 0;
}

.slider-indicators {
    display: flex;
    align-items: center;
    gap: 30px;
}

.indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    border: 1.5px solid rgba(255, 255, 255, 0.6);
    background-color: transparent;
    cursor: pointer;
    transition: all 0.3s;
    flex-shrink: 0;
}

.indicator.active {
    background-color: rgba(255, 255, 255, 0.8);
    border-color: rgba(255, 255, 255, 0.8);
}

.arrow-btn {
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.7);
    width: auto;
    height: auto;
    cursor: pointer;
    font-size: 24px;
    font-weight: 300;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.3s;
    padding: 0;
    line-height: 1;
}

.arrow-btn:hover {
    color: rgba(255, 255, 255, 1);
}

.play-pause-btn {
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.7);
    width: auto;
    height: auto;
    cursor: pointer;
    font-size: 16px;
    font-weight: 300;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.3s;
    padding: 0;
    letter-spacing: 3px;
    line-height: 1;
}

.play-pause-btn:hover {
    color: rgba(255, 255, 255, 1);
}

/* HUBIZ SOLUTION 섹션 (3열 카드 그리드) */
.proto3-hubiz-solution {
    background-color: #000;
    padding: 120px 0;
    position: relative;
}

.hubiz-solution-container {
    max-width: 100%;
    width: 100%;
    margin: 0;
    padding-left: clamp(1.5rem, 3vw, 3rem);
    padding-right: clamp(1.5rem, 3vw, 3rem);
    box-sizing: border-box;
}

.hubiz-solution-title {
    font-size: 64px;
    font-weight: 700;
    color: #fff;
    margin: 0 0 30px 0;
    letter-spacing: 3px;
}

.hubiz-solution-subtitle {
    font-size: 20px;
    color: #D3D3D3;
    margin: 0 0 60px 0;
    line-height: 1.8;
    font-weight: 500;
}

/* hubiz-solution-grid: jmcoffee highlight-business 스타일 */
.hubiz-solution-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    align-items: stretch;
}

.hubiz-solution-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: transparent;
    border: 1px solid rgba(255, 255, 255, 0.12);
    overflow: hidden;
    transition: border-color 0.3s ease, background-color 0.3s ease;
}

.hubiz-solution-card:hover {
    border-color: rgba(255, 255, 255, 0.25);
    background-color: rgba(255, 255, 255, 0.03);
}

.hubiz-solution-card-image {
    width: 100%;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background-color: rgba(255, 255, 255, 0.04);
}

.hubiz-solution-card-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
    transition: opacity 0.3s ease;
}

.hubiz-solution-card:hover .hubiz-solution-card-image img {
    opacity: 0.9;
}

.hubiz-solution-card-title {
    font-size: 22px;
    font-weight: 700;
    color: #fff;
    margin: 0;
    padding: 24px 24px 0;
    line-height: 1.3;
    text-align: center;
}

.hubiz-solution-card-description {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.75;
    margin: 0;
    padding: 12px 24px 20px;
    flex: 1;
    text-align: center;
}

/* 비즈니스 섹션 스타일 */
.proto3-business {
    background-color: #000;
    padding: 120px 0;
    position: relative;
    overflow: hidden;
}

.business-container {
    max-width: 100%;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: 0.5fr 1fr;
    min-height: 600px;
    position: relative;
}

.business-content {
    padding: 60px 100px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.section-title {
    font-family: "Paperozi", "Pretendard Variable", sans-serif;
    font-size: 64px;
    font-weight: 700;
    color: #000;
    margin: 0 0 30px 0;
}

.section-description {
    font-family: "Paperozi", "Pretendard Variable", sans-serif;
    font-size: 20px;
    color: var(--color-gray-1);
    margin: 0 0 40px 0;
    line-height: 1.8;
    font-weight: 500;
}

.business-cards-wrapper {
    background-color: var(--color-main);
    position: absolute;
    top: 10%;
    right: 0;
    bottom: 10%;
    left: 50%;
    border-top-left-radius: 100px;
    z-index: 1;
}

.business-cards-container {
    position: absolute;
    top: 50%;
    left: 45%;
    transform: translateY(-50%);
    z-index: 10;
    width: 1400px;
    height: 550px;
}

.slot {
    position: absolute;
    pointer-events: none;
    width: 320px;
    height: 300px;
}

.slot-a {
    left: 0;
    top: 50%;
    transform: translateY(-50%) scale(1.1);
    z-index: 3;
}

.slot-b {
    left: 360px;
    top: 50%;
    transform: translateY(-50%) scale(1);
    z-index: 2;
}

.slot-c {
    left: 720px;
    top: 50%;
    transform: translateY(-50%) scale(1);
    z-index: 1;
}

.slot-d {
    left: 1080px;
    top: 50%;
    transform: translateY(-50%) scale(1);
    z-index: 1;
}

.business-card {
    position: absolute;
    background-color: #fff;
    border-top-left-radius: 0;
    border-top-right-radius: 0;
    border-bottom-left-radius: 16px;
    border-bottom-right-radius: 16px;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    width: 320px;
    height: 300px;
    transition: left 0.6s ease-in-out, transform 0.6s ease-in-out, z-index 0.6s ease-in-out;
    z-index: 1;
}

.business-card.in-slot-a {
    left: 0;
    top: 50%;
    transform: translateY(-50%) scale(1.1);
    z-index: 3;
}

.business-card.in-slot-b {
    left: 360px;
    top: 50%;
    transform: translateY(-50%) scale(1);
    z-index: 2;
}

.business-card.in-slot-c {
    left: 720px;
    top: 50%;
    transform: translateY(-50%) scale(1);
    z-index: 1;
}

.business-card.in-slot-d {
    left: 1080px;
    top: 50%;
    transform: translateY(-50%) scale(1);
    z-index: 1;
}

.card-image {
    width: 100%;
    height: 65%;
    background-color: var(--color-gray-4);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

a.card-image-link {
    text-decoration: none;
    color: inherit;
    cursor: pointer;
}

.card-image .card-image-thumb {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.card-placeholder {
    color: rgba(0, 0, 0, 0.3);
    font-size: 16px;
}

.card-content {
    padding: 24px 28px;
    background-color: #fff;
    border-radius: 0 0 16px 16px;
}

.card-label {
    font-size: 14px;
    color: var(--color-main);
    margin: 0 0 8px 0;
    font-weight: 500;
}

.card-title {
    font-size: 24px;
    font-weight: 700;
    color: #000;
    margin: 0;
}

/* 솔루션 섹션 스타일 */
.proto3-solution {
    background-color: #000;
    padding: 120px 50px;
    position: relative;
    overflow: visible;
}

.solution-container {
    margin-left: 40px;
    margin-right: 0;
    max-width: 1400px;
    align-items: center;
    min-height: 600px;
    position: relative;
    overflow: visible;
    z-index: 1;
}

.solution-content {
    display: flex;
    flex-direction: column;
}

.solution-title {
    font-size: 64px;
    font-weight: 700;
    color: #fff;
    margin: 0 0 30px 0;
}

.solution-subtitle {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.8);
    margin: 0 0 60px 0;
    line-height: 1.8;
    font-weight: 500;
}

.solution-items {
    display: flex;
    flex-direction: column;
    gap: 50px;
}

.solution-item {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 60px;
    align-items: start;
}

.solution-item-left {
    display: flex;
    flex-direction: column;
    gap: 5px;
    min-width: 0;
}

.solution-item-title {
    font-size: 32px;
    font-weight: 700;
    color: #fff;
    margin: 0;
}

.solution-item-description {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.7);
    margin: 0;
    min-width: 0;
    white-space: pre-line;
    font-weight: 500;
}

.solution-btn {
    display: inline-block;
    padding: 6px 7px;
    background-color: var(--color-main);
    color: #fff;
    text-decoration: none;
    font-size: 14px;
    font-weight: 300;
    border-radius: 10px;
    width: fit-content;
    transition: background-color 0.3s;
}

.solution-btn:hover {
    background-color: var(--color-main);
}

/* 커뮤니케이션 섹션 스타일 */
.proto3-communication {
    background-color: #fff;
    padding: 270px 0;
}

.communication-container {
    padding: 0 80px;
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}

.communication-content {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 0.5rem 2rem;
}

.communication-content .section-title {
    grid-column: 1;
    margin: 0 0 0.5rem 0;
}

.communication-content .section-description {
    grid-column: 1;
    margin: 0;
}

.communication-content .btn-more {
    grid-column: 2;
    grid-row: 1 / -1;
    align-self: center;
}

.btn-more {
    display: inline-block;
    padding: 8px 20px;
    border: 3px solid #000;
    border-radius: 50px;
    color: #000;
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    width: fit-content;
    transition: all 0.3s;
}

.btn-more:hover {
    background-color: #000;
    color: #fff;
}

.communication-list {
    display: flex;
    flex-direction: column;
    gap: 0;
    overflow: visible;
    background: #fff;
    border-top: 3px solid var(--color-gray-4);
    border-bottom: 3px solid var(--color-gray-4);
}


.communication-item {
    position: relative;
    overflow: visible;
    display: flex;
    flex-direction: row;
    align-items: center;
    min-height: 72px;
    padding: 40px 28px;
    gap: 2rem;
    border-bottom: 1px solid var(--color-gray-4);
    text-decoration: none;
    transition: background-color 0.2s;
}

.communication-item:last-child {
    border-bottom: none;
}

.communication-item:hover {
    background-color: rgba(0, 0, 0, 0.03);
}

.news-thumbnail {
    position: absolute;
    left: 0;
    top: 0;
    z-index: 100;
    width: 560px;
    height: 374px;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.news-thumbnail img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.news-thumbnail.is-visible {
    opacity: 1;
}

.news-category {
    flex-shrink: 0;
    width: 4rem;
    font-size: 1.8rem;
    font-weight: 400;
    color: var(--color-gray-1);
    text-align: left;
}

.news-title {
    flex: 1;
    min-width: 0;
    font-size: 2rem;
    font-weight: 600;
    line-height: 1.5;
    color: #1a1a1a;
    text-align: left;
    white-space: normal;
}

.news-date {
    flex-shrink: 0;
    font-size: 1.5rem;
    font-weight: 500;
    color: #666;
    white-space: nowrap;
    text-align: right;
}

/* 파트너 섹션 스타일 */
.proto3-partner {
    background-color: #fff;
    padding: 160px 0;
}

.partner-container {
    max-width: 100%;
    margin: 0;
    /* padding-left: clamp(1.5rem, 3vw, 3rem);
    padding-right: clamp(1.5rem, 3vw, 3rem); */
    text-align: center;
    box-sizing: border-box;
}

.partner-visual {
    margin-top: 60px;
    overflow: hidden;
}

.partner-row {
    overflow: hidden;
    height: 90px;
    margin-bottom: 24px;
}

.partner-row:last-child {
    margin-bottom: 0;
}

.partner-track {
    display: flex;
    align-items: center;
    gap: 48px;
    width: max-content;
    height: 100%;
}

.partner-row--1 .partner-track,
.partner-row--3 .partner-track {
    animation: partnerMarqueeLeft 50s linear infinite;
}

.partner-row--2 .partner-track {
    animation: partnerMarqueeRight 50s linear infinite;
}

.partner-visual:hover .partner-track {
    animation-play-state: paused;
}

.partner-logo {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    height: 60px;
    text-decoration: none;
}

.partner-logo img {
    max-height: 100%;
    width: auto;
    object-fit: contain;
}

@keyframes partnerMarqueeLeft {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

@keyframes partnerMarqueeRight {
    0% { transform: translateX(-50%); }
    100% { transform: translateX(0); }
}

/* 우수성 섹션 */
.proto3-excellence {
    background-color: #000;
    padding: 120px 0;
}

.excellence-wrap {
    padding: 0 80px;
    display: grid;
    grid-template-columns: 0.8fr 1fr;
    gap: 80px;
    align-items: center;
}

.excellence-left {
    display: flex;
    flex-direction: column;
}

.excellence-title {
    font-family: "Paperozi", "Pretendard Variable", sans-serif;
    font-size: 64px;
    font-weight: 700;
    color: #fff;
    margin: 0 0 20px 0;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.excellence-subtitle {
    font-family: "Paperozi", "Pretendard Variable", sans-serif;
    font-size: 20px;
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
    line-height: 1.6;
}

.excellence-right {
    min-width: 0;
}

.excellence-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: auto auto;
    gap: 24px;
}

.excellence-item {
    display: block;
}

.excellence-item--empty {
    min-height: 0;
    background: transparent;
}

.excellence-logo-box {
    width: 100%;
    height: 100%;
    min-height: 240px;
    background-color: #fff;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 25px;
    box-sizing: border-box;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.excellence-logo-box .excellence-img {
    flex: 0 0 160px;
    width: 100%;
    height: 160px;
    object-fit: contain;
    object-position: center;
}

.excellence-logo-box .excellence-caption {
    font-family: "Paperozi", "Pretendard Variable", sans-serif;
    font-size: 15px;
    line-height: 1.4;
    color: var(--color-gray-1);
    margin: 12px 0 0 0;
    text-align: center;
    flex-shrink: 0;
}

.excellence-caption-bold {
    font-weight: 700;
}

/* 왜 우리인가: 차별화 섹션 (우수성과 동일 좌우 배치) */
.proto3-differentiation {
    background-color: #fff;
    padding: 120px 0;
}

.differentiation-wrap {
    padding: 0 80px;
    display: grid;
    grid-template-columns: 0.8fr 1fr;
    gap: 80px;
    align-items: start;
}

.differentiation-left {
    display: flex;
    flex-direction: column;
}

.differentiation-title {
    font-family: "Paperozi", "Pretendard Variable", sans-serif;
    font-size: 64px;
    font-weight: 700;
    color: #000;
    margin: 0 0 20px 0;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.differentiation-subtitle {
    font-family: "Paperozi", "Pretendard Variable", sans-serif;
    font-size: 20px;
    color: var(--color-gray-1);
    margin: 0;
    line-height: 1.6;
}

.differentiation-right {
    min-width: 0;
    font-size: 2.5rem;
    font-weight: 200;
}

.differentiation-paragraph {
    position: relative;
    padding-bottom: 1.2em;
    font-family: "Paperozi", "Pretendard Variable", sans-serif;
    font-size: 2.5rem;
    font-weight: 200;
}

.differentiation-paragraph:last-child {
    margin-bottom: 0;
}

.differentiation-cursor-follower {
    position: absolute;
    left: 0;
    top: 0;
    width: 200px;
    height: 140px;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.2s ease;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.differentiation-cursor-follower img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.differentiation-cursor-follower.is-visible {
    opacity: 1;
}

.differentiation-right .differential-word {
    opacity: 0.25;
    transition: opacity 0.25s ease-out;
}

.differentiation-right b{
    font-weight: 500;
}
.differentiation-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.differentiation-card {
    background: rgba(0, 0, 0, 0.03);
    border: 1px solid rgba(0, 0, 0, 0.08);
    padding: 32px 24px;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    transition: border-color 0.2s ease, background 0.2s ease;
}

.differentiation-card:hover {
    border-color: rgba(0, 0, 0, 0.14);
    background: rgba(0, 0, 0, 0.05);
}

.differentiation-card__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    margin-bottom: 20px;
    color: var(--color-main);
}

.differentiation-card__icon svg {
    width: 48px;
    height: 48px;
}

.differentiation-card__title {
    font-family: "Paperozi", "Pretendard Variable", sans-serif;
    font-size: 18px;
    font-weight: 700;
    color: #000;
    margin: 0 0 10px;
    line-height: 1.35;
}

.differentiation-card__desc {
    font-family: "Paperozi", "Pretendard Variable", sans-serif;
    font-size: 14px;
    color: rgba(0, 0, 0, 0.7);
    margin: 0;
    line-height: 1.6;
}

@media (max-width: 1024px) {
    .differentiation-wrap {
        padding: 0 2rem;
        gap: 2.5rem;
    }
    .differentiation-list {
        gap: 1.25rem;
    }
}

@media (max-width: 767px) {
    .proto3-differentiation {
        padding: 60px 0 80px;
    }

    .differentiation-wrap {
        grid-template-columns: 1fr;
        padding: 0 1rem;
        gap: 2rem;
    }

    .differentiation-title {
        font-size: 2rem;
        margin-bottom: 1rem;
    }

    .differentiation-subtitle {
        font-size: 1rem;
    }

    .differentiation-list {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .differentiation-card {
        padding: 24px 20px;
    }

    .differentiation-card__icon {
        width: 48px;
        height: 48px;
        margin-bottom: 16px;
    }

    .differentiation-card__icon svg {
        width: 40px;
        height: 40px;
    }

    .differentiation-card__title {
        font-size: 16px;
    }

    .differentiation-card__desc {
        font-size: 13px;
    }
}

/* 산업별 솔루션 섹션 - 가로 꽉찬 세로 배치, 배경 이미지 */
.proto3-industry-solutions {
    background: #fff;
    padding: 100px 0 0;
    overflow-x: clip;
}

.proto3-industry-solutions .section-title,
.proto3-industry-solutions .section-description {
    color: #000;
}

.proto3-industry-solutions .section-description {
    color: var(--color-gray-1);
}

/* 타이틀·설명 상단 고정 */
.industry-solutions-header {
    position: sticky;
    top: 60px;
    z-index: 10;
    background: #fff;
    padding: 80px 0 25px;
}

body:not(.light-mode) .industry-solutions-header,
body.prototype-03:not(.light-mode) .industry-solutions-header {
    background: #ffffff;
}

.industry-solutions-list {
    position: relative;
    padding: 0;
    list-style: none;
}

.industry-solutions-list li {
    position: sticky;
    top: 350px;
    height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 100px;
}

.industry-card {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 0 80px;
    box-sizing: border-box;
    text-decoration: none;
    color: inherit;
    position: relative;
    overflow: hidden;
}

.industry-card__bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.industry-card__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.75) 0%, rgba(0, 0, 0, 0.2) 50%, transparent 100%);
}

.industry-card__content {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.industry-card__icon {
    display: block;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 20px;
}

.industry-card__icon svg {
    display: block;
}

.industry-card__title {
    font-family: "Paperozi", "Pretendard Variable", sans-serif;
    font-size: 42px;
    font-weight: 700;
    color: #fff;
    margin: 0 0 16px;
    line-height: 1.3;
}

.industry-card__desc {
    font-family: "Paperozi", "Pretendard Variable", sans-serif;
    font-size: 22px;
    color: rgba(255, 255, 255, 0.9);
    margin: 0 0 28px;
    line-height: 1.6;
}

.industry-card__btn {
    font-family: "Paperozi", "Pretendard Variable", sans-serif;
    font-size: 18px;
    font-weight: 600;
    color: #fff;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.6);
}

/* 스크롤 시 아이콘→제목→설명→버튼 순차 등장 (AOS+Lenis/sticky와 충돌 피하기 위해 IO + CSS) */
.proto3-industry-solutions .industry-card__content > .industry-card__icon,
.proto3-industry-solutions .industry-card__content > .industry-card__title,
.proto3-industry-solutions .industry-card__content > .industry-card__desc,
.proto3-industry-solutions .industry-card__content > .industry-card__btn {
    opacity: 0;
    transform: translate3d(0, 28px, 0);
    transition:
        opacity 0.55s cubic-bezier(0.22, 1, 0.36, 1),
        transform 0.55s cubic-bezier(0.22, 1, 0.36, 1);
}

.proto3-industry-solutions .industry-card.industry-card--inview .industry-card__icon {
    opacity: 1;
    transform: translate3d(0, 0, 0);
    transition-delay: 0.06s;
}

.proto3-industry-solutions .industry-card.industry-card--inview .industry-card__title {
    opacity: 1;
    transform: translate3d(0, 0, 0);
    transition-delay: 0.16s;
}

.proto3-industry-solutions .industry-card.industry-card--inview .industry-card__desc {
    opacity: 1;
    transform: translate3d(0, 0, 0);
    transition-delay: 0.26s;
}

.proto3-industry-solutions .industry-card.industry-card--inview .industry-card__btn {
    opacity: 1;
    transform: translate3d(0, 0, 0);
    transition-delay: 0.36s;
}

@media (prefers-reduced-motion: reduce) {
    .proto3-industry-solutions .industry-card__content > .industry-card__icon,
    .proto3-industry-solutions .industry-card__content > .industry-card__title,
    .proto3-industry-solutions .industry-card__content > .industry-card__desc,
    .proto3-industry-solutions .industry-card__content > .industry-card__btn {
        opacity: 1;
        transform: none;
        transition: none;
    }
}

.industry-card--1 { z-index: 1; }
.industry-card--2 { z-index: 2; }
.industry-card--3 { z-index: 3; }
.industry-card--4 { z-index: 4; }

/* 카드별 배경 이미지 (main/css 기준 ../../sub/images) */
.industry-card--1 .industry-card__bg {
    background-image: url('../../sub/images/main_section7_1.jpg');
}

.industry-card--2 .industry-card__bg {
    background-image: url('../../sub/images/main_section7_2.jpg');
}

.industry-card--3 .industry-card__bg {
    background-image: url('../../sub/images/main_section7_3.jpg');
}

.industry-card--4 .industry-card__bg {
    background-image: url('../../sub/images/main_section7_4.jpg');
}

@media (max-width: 767px) {
    .proto3-industry-solutions {
        padding: 40px 0 60px;
    }

    .industry-solutions-header {
        top: 70px;
        padding: 0 0 12px;
    }

    .industry-solutions-list li {
        top: 140px;
        height: 65vh;
        margin-bottom: 48px;
    }

    .proto3-industry-solutions .section-title {
        font-size: clamp(1.5rem, 6vw, 28px);
    }

    .proto3-industry-solutions .section-description {
        font-size: 14px;
    }

    .industry-solutions-list {
        margin-top: 16px;
    }

    .industry-card {
        padding: 0 16px;
    }

    .industry-card__icon {
        margin-bottom: 10px;
    }

    .industry-card__icon svg {
        width: 32px;
        height: 32px;
    }

    .industry-card__title {
        font-size: clamp(1.25rem, 5vw, 22px);
        margin-bottom: 10px;
    }

    .industry-card__desc {
        font-size: 14px;
        margin-bottom: 16px;
    }

    .industry-card__btn {
        font-size: 14px;
        padding: 6px 0;
    }
}

/* 왜 우리인가: 회사개요 바로가기 */
.differentiation-cta {
    text-align: center;
    padding: 48px 24px 0;
}

/* 메인 CTA: 회사개요 바로가기 (공통 버튼 스타일) */
.proto3-main-cta {
    background-color: #000;
    padding: 48px 24px 64px;
}

.main-cta__inner {
    text-align: center;
}

.main-cta__btn {
    display: inline-block;
    font-family: "Paperozi", "Pretendard Variable", sans-serif;
    font-size: 16px;
    font-weight: 600;
    color: #fff;
    padding: 14px 32px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 50px;
    transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.main-cta__btn:hover {
    background-color: #fff;
    border-color: #fff;
    color: #000;
}

body.prototype-03.light-mode .proto3-main-cta {
    background-color: #f8f8f8;
}

body.prototype-03.light-mode .main-cta__btn {
    color: var(--color-main);
    border-color: rgba(5, 53, 143, 0.5);
}

body.prototype-03.light-mode .main-cta__btn:hover {
    background-color: var(--color-main);
    border-color: var(--color-main);
    color: #fff;
}

/* ===== 문의하기 CTA (industry-solutions 아래) ===== */
.inquiry-cta-section {
    background: #ffffff;
    padding: 100px 24px 120px;
    min-height: 50vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.inquiry-cta-inner {
    text-align: center;
    max-width: 900px;
}

.inquiry-cta__title {
    font-family: "Paperozi", "Pretendard Variable", sans-serif;
    font-size: clamp(28px, 4.5vw, 80px);
    font-weight: 700;
    color: #000;
    margin: 0 0 60px;
    line-height: 1.4;
}

.inquiry-cta__title-inner {
    font-family: "Paperozi", "Pretendard Variable", sans-serif;
    display: inline-block;
}

/* 글자별 등장: 기본 숨김 */
.inquiry-cta__char {
    display: inline-block;
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.35s ease, transform 0.35s ease;
}

.inquiry-cta-section.is-visible .inquiry-cta__char.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* 원형 제작문의 버튼 (동심원 테두리) */
.inquiry-cta__btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 160px;
    height: 160px;
    border-radius: 50%;
    background: transparent;
    color: #000;
    text-decoration: none;
    font-family: "Paperozi", "Pretendard Variable", sans-serif;
    font-size: 18px;
    font-weight: 600;
    opacity: 0;
    transform: scale(0.85);
    transition: opacity 0.5s ease 0.1s, transform 0.5s ease 0.1s, background-color 0.3s ease, color 0.3s ease;
    position: relative;
    box-shadow:
        0 0 0 1px rgb(41, 212, 193),
        0 0 0 4px #29d4c1,
        0 0 0 5px #29d4c1c2,
        0 0 0 8px #29d4c175,
        0 0 0 9px #29d4c114;
}

.inquiry-cta-section.is-visible .inquiry-cta__btn.is-visible {
    opacity: 1;
    transform: scale(1);
}

.inquiry-cta__btn:hover {
    color: #ffffff;
    background-color: var(--color-main);
}

.inquiry-cta-section.is-visible .inquiry-cta__btn.is-visible:hover {
    transform: scale(1.12);
}

.inquiry-cta__btn-text {
    display: inline-block;
    transform: rotate(-40deg);
    transition: transform 0.3s ease;
}

.inquiry-cta__btn:hover .inquiry-cta__btn-text {
    transform: rotate(0);
}

@media (max-width: 767px) {
    .inquiry-cta-section {
        padding: 70px 20px 90px;
    }
    .inquiry-cta__title {
        margin-bottom: 48px;
    }
    .inquiry-cta__btn {
        width: 140px;
        height: 140px;
        font-size: 16px;
    }
}

/* main_visual 반응형 */
@media (max-width: 767px) {
    .section.section-fullheight.main_visual.hero-current {
        margin: 16px;
        width: calc(100% - 32px);
        min-height: calc(100vh - 32px - 80px);
        min-height: calc(100dvh - 32px - 80px);
        height: calc(100vh - 32px - 80px);
        border-radius: 16px;
    }
    .main_visual .main_visual__content {
        padding: 1rem;
    }
    .main_visual .main_visual__btn {
        min-width: 130px;
        height: 130px;
        font-size: 0.9375rem;
    }
    .main_visual .main_visual__indicators {
        left: 1rem;
        bottom: 1rem;
    }
    .main_visual .main_visual__indicator {
        font-size: 0.75rem;
    }
    .main_visual .main_visual__arrow {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
}