/**
 * Agent Twin Machine 전용 스타일
 * - 테크니컬 블루/다크 네이비 톤
 * - 메인 컬러: var(--color-dark) (다크 네이비), var(--color-main) (메인 시안), #33d4d4 (라이트 시안)
 */

:root {
    --agent-twin-navy: var(--color-dark);
    --agent-twin-navy-light: #1a2744;
    --agent-twin-blue: var(--color-main);
    --agent-twin-blue-light: #33d4d4;
    --agent-twin-blue-accent: var(--color-main);
    --agent-twin-bg-dark: #0a1628;
}

/* Agent Twin Machine 페이지: solution-section 배경 검정 */
body.prototype-03.solution-sub.page-agent-twin .solution-section {
    background: var(--color-black);
}

/* ---------- Section 2: 도입 필요성 (Ref: 기술연구소소개 이미지) ---------- */
/* hero가 position:fixed 이므로, 첫 콘텐츠 섹션에 100vh 여백으로 스크롤 시 노출 */
.introduction-necessity {
    margin-top: 100vh;
    padding: 180px 0;
    background: var(--color-white);
    position: relative;
    z-index: 2;
}

.introduction-necessity__title {
    text-align: center;
    font-size: clamp(1.875rem, 4vw, 3.75rem);
    font-weight: 700;
    margin: 0;
    padding: 0 1.5rem 3.5rem;
    color: var(--color-bg-dark-2);
    font-family: "Paperozi", "Pretendard Variable", sans-serif;
    letter-spacing: -0.02em;
}

.introduction-necessity__hero {
    position: relative;
    width: 100%;
    margin: 0 auto 3.5rem;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border-radius: 0;
}

.introduction-necessity__hero-bg {
    position: absolute;
    inset: 0;
}

.introduction-necessity__hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgb(0 0 0) 0%, rgb(51 51 51 / 70%) 100%);
    z-index: 1;
}

.introduction-necessity__hero-content {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 2rem 3rem;
    align-items: center;
    padding: 4rem 2rem;
    width: 100%;
    max-width: 1400px;
}

.introduction-necessity__hero-left {
    display: flex;
    align-items: center;
    justify-content: center;
}

.introduction-necessity__hero-right {
    display: flex;
    align-items: center;
}

.introduction-necessity__logo {
    max-width: 460px;
    width: 100%;
    height: auto;
    opacity: 0.95;
}

.introduction-necessity__copy {
    font-size: clamp(1.5rem, 3.2vw, 2.25rem);
    font-weight: 700;
    color: var(--color-white);
    margin: 0;
    line-height: 1.5;
    letter-spacing: -0.02em;
    text-align: left;
}

.introduction-necessity__desc {
    padding: 0 1.5rem;
    text-align: center;
}

.introduction-necessity__desc p {
    font-size: 23px;
    font-weight: 500;
    color: var(--color-text-dark-2);
    line-height: 2;
    letter-spacing: -0.01em;
    margin: 0 0 1.25rem;
}

.introduction-necessity__desc p:last-child {
    margin-bottom: 0;
}

/* ---------- Section: 왜 Agent Twin Machine 인가? (가로 스크롤, 365mc 스타일) ---------- */
.agent-twin-why {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: stretch;
    background: var(--color-black);
    padding: 2rem 0;
    overflow: hidden;
    z-index: 2;
}

body.prototype-03.light-mode.solution-sub .agent-twin-why {
    background: var(--color-black);
}

/* 타이틀+카드 묶음 블록: 화면 상하 중앙 정렬 */
.agent-twin-why__block {
    display: flex;
    flex-direction: column;
    gap: clamp(1.5rem, 2vw, 0.5rem);
    width: 100%;
    box-sizing: border-box;
}

.agent-twin-why__title {
    font-family: "Paperozi", "Pretendard Variable", sans-serif;
    font-size: clamp(1.5rem, 3.5vw, 3.5rem);
    font-weight: 600;
    color: var(--color-white);
    margin: 0;
    padding: 0;
    padding-left: calc(15% + 140px);
}

.agent-twin-why__subtitle {
    font-size: clamp(0.95rem, 1.4vw, 1.1rem);
    line-height: 1.8;
    color: var(--overlay-white-85);
    margin: 0;
    padding: 0;
    padding-left: calc(15% + 140px);
}

.agent-twin-why__cards-wrapper {
    width: 100%;
    overflow: hidden;
    box-sizing: border-box;
}

.agent-twin-why__cards-container {
    display: flex;
    gap: 1.5rem;
    width: max-content;
    margin-left: calc(50% - 400px - 120px);
}

.agent-twin-why__card {
    flex: 0 0 800px;
    width: 800px;
    height: 447px;
    box-sizing: border-box;
    background: var(--overlay-white-05);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(74, 144, 217, 0.15);
    border-radius: 28px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    color: var(--overlay-white-95);
}

.agent-twin-why__card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 4rem;
    padding: 2rem 2rem 1.5rem;
    flex: 0 0 auto;
}

.agent-twin-why__card-left {
    flex-shrink: 0;
}

.agent-twin-why__card-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 400;
    color: var(--overlay-white-70);
    margin-bottom: 0.6rem;
    letter-spacing: 0.02em;
}

.agent-twin-why__card-title {
    font-size: clamp(1.35rem, 2.2vw, 1.75rem);
    font-weight: 700;
    margin: 0;
    line-height: 1.35;
    color: var(--color-white);
}

.agent-twin-why__card-right {
    flex: 1;
    min-width: 0;
}

.agent-twin-why__card-desc {
    font-size: 1rem;
    line-height: 1.8;
    margin: 1rem 0 0 0;
    color: var(--overlay-white-90);
}

.agent-twin-why__card-keywords {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.agent-twin-why__keyword {
    display: inline-block;
    padding: 0.4rem 0.9rem;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--overlay-white-90);
    background: rgba(74, 144, 217, 0.25);
    border-radius: 999px;
}

.agent-twin-why__card-visual {
    flex: 1;
    min-height: 0;
    overflow: hidden;
    margin: 0 1.25rem 1.25rem;
    border-radius: 16px;
}

.agent-twin-why__card-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    border-radius: 20px;
}

/* ---------- Section: 핵심 문구 (agent-twin-why 스크롤 후 등장) ---------- */
.agent-twin-tagline {
    position: relative;
    z-index: 2;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-black);
    padding: 4rem 2rem;
    box-sizing: border-box;
    overflow: hidden;
}

.agent-twin-tagline__video-wrap {
    position: absolute;
    inset: 0;
    z-index: 0;
    padding: clamp(1rem, 3vw, 2rem);
    box-sizing: border-box;
}

.agent-twin-tagline__video {
    display: block;
    width: 100%;
    height: 100%;
    min-height: 100%;
    object-fit: cover;
    object-position: center 25%;
}

.agent-twin-tagline__video-overlay {
    position: absolute;
    inset: 0;
    background: var(--overlay-black-50);
    z-index: 1;
}

.agent-twin-tagline__text {
    position: relative;
    z-index: 2;
    font-size: clamp(1.5rem, 3.5vw, 3.5rem);
    font-weight: 700;
    color: var(--color-white);
    margin: 0;
    padding: 0 2rem;
    text-align: center;
    letter-spacing: -0.02em;
    line-height: 1.5;
}

.agent-twin-tagline__text strong {
    color: var(--color-main);
    font-weight: 700;
}

/* ---------- Section: Agent Twin Machine 시스템 구성 ---------- */
.agent-twin-system {
    position: relative;
    z-index: 2;
    background: var(--color-white);
    padding: clamp(5rem, 10vw, 8rem) clamp(1rem, 2vw, 2rem);
}

.agent-twin-system__inner {
    max-width: none;
    margin: 0;
}

.agent-twin-system__title {
    font-size: clamp(1.75rem, 3.5vw, 4.5rem);
    font-weight: 700;
    color: var(--color-bg-dark-2);
    text-align: center;
    margin: 0 0 2rem;
}

.agent-twin-system__subtitle {
    font-size: clamp(0.9rem, 1.3vw, 1.5rem);
    color: var(--color-gray-1);
    text-align: center;
    margin: 0 0 clamp(3rem, 6vw, 4rem);
    line-height: 1.7;
}

.agent-twin-system__diagram {
    text-align: center;
    margin-bottom: clamp(3rem, 9vw, 10rem);
}

.agent-twin-system__diagram img {
    max-width: 60%;
    width: 75%;
    height: auto;
    margin: 0 auto;
    display: block;
}

.agent-twin-system__cards {
    display: flex;
    flex-wrap: nowrap;
    gap: 0;
    justify-content: space-between;
    align-items: stretch;
    position: relative;
    width: 100%;
}

.agent-twin-system__card {
    flex: 1 1 0;
    min-width: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0 clamp(0.5rem, 1.2vw, 3rem);
    position: relative;
}

.agent-twin-system__card:not(:last-child)::after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 90%;
    border-right: 1px dashed var(--overlay-black-15);
}

.agent-twin-system__card-label {
    display: inline-block;
    padding: 0.4rem clamp(9.3rem, 3vw, 2.5rem);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-text-dark);
    border: 1px solid var(--overlay-black-20);
    border-radius: 100px;
    margin-bottom: 1rem;
    white-space: nowrap;
}

.agent-twin-system__card-body {
    flex: 1;
    width: 100%;
    min-width: 0;
    max-height: clamp(140px, 18vw, 124px);
    padding: clamp(1.25rem, 2vw, 1.75rem) clamp(1rem, 1.5vw, 1.25rem);
    border-radius: 999px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
}

.agent-twin-system__card--1 .agent-twin-system__card-body { background: var(--color-main); color: var(--color-white); }
.agent-twin-system__card--2 .agent-twin-system__card-body { background: var(--color-main); color: var(--color-white); }
.agent-twin-system__card--3 .agent-twin-system__card-body { background: var(--color-main); color: var(--color-white); }
.agent-twin-system__card--4 .agent-twin-system__card-body { background: #006666; color: var(--color-white); }
.agent-twin-system__card--5 .agent-twin-system__card-body { background: #007777; color: var(--color-white); }

.agent-twin-system__card-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 1rem;
}

.agent-twin-system__card-icon svg {
    width: 100%;
    height: 100%;
    stroke: currentColor;
}

.agent-twin-system__card-title {
    font-size: clamp(0.8rem, 1.1vw, 1rem);
    font-weight: 700;
    margin: 0;
    line-height: 1.4;
    overflow-wrap: break-word;
    word-break: keep-all;
}

.agent-twin-system__card-desc {
    list-style: none;
    margin: 1rem 0 0;
    padding: 0;
    font-size: clamp(0.7rem, 0.95vw, 1rem);
    line-height: 1.7;
    color: var(--color-text-dark);
    text-align: left;
    width: 100%;
    max-width: 100%;
    align-self: flex-start;
}

.agent-twin-system__card-desc li {
    position: relative;
    padding-left: 1rem;
    margin-bottom: 0.35rem;
}

.agent-twin-system__card-desc li::before {
    content: '·';
    position: absolute;
    left: 0;
    font-weight: 700;
    color: var(--color-gray-1);
}

/* ---------- Section: 특징 및 장점 ---------- */
.agent-twin-strengths {
    background: var(--color-white);
    padding: var(--spacing-section) 0 clamp(6rem, 12vw, 10rem);
    position: relative;
    z-index: 2;
}

.agent-twin-strengths__inner {
    max-width: var(--max-width-content);
    margin: 0 auto;
}

.agent-twin-strengths__section-title {
    font-size: clamp(1.75rem, 3.5vw, 4.5rem);
    font-weight: 700;
    color: var(--color-bg-dark-2);
    text-align: center;
    margin: 1px 0 clamp(3rem, 6vw, 6rem);
}

.agent-twin-strengths__block {
    margin-bottom: clamp(4rem, 8vw, 6rem);
}

.agent-twin-strengths__block:last-child {
    margin-bottom: 0;
}

.agent-twin-strengths__header {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 2rem 3rem;
    align-items: flex-start;
    margin-bottom: 2rem;
}

.agent-twin-strengths__title-wrap {
    display: flex;
    align-items: center;
}

.agent-twin-strengths__title {
    font-size: clamp(1.5rem, 2.8vw, 2.25rem);
    font-weight: 700;
    color: var(--color-bg-dark-2);
    margin: 0;
    line-height: 1.4;
    letter-spacing: -0.02em;
}

.agent-twin-strengths__desc-wrap {
    display: flex;
    align-items: flex-start;
}

.agent-twin-strengths__desc {
    font-size: clamp(0.95rem, 1.2vw, 2rem);
    line-height: 1.6;
    color: var(--color-text-dark-2);
    margin: 0;
    letter-spacing: -0.01em;
}

.agent-twin-strengths__desc strong {
    color: var(--color-bg-dark-2);
    font-weight: 600;
}

.agent-twin-strengths__visual {
    width: 100%;
    max-width: var(--max-width-content);
    aspect-ratio: 1200 / 430;
    border-radius: 12px;
    overflow: hidden;
}

.agent-twin-strengths__visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* ---------- Section: Application AI 에이전트 적용 모델 ---------- */
.agent-twin-apply {
    background: linear-gradient(180deg, #ffffff 0%, #101010 12%, #333 30%, #000 70%, #000 100%);
    padding: clamp(8rem, 23vw, 26rem) 0 clamp(4rem, 8vw, 6rem);
    position: relative;
    z-index: 2;
}

.agent-twin-apply__inner {
    max-width: var(--max-width-content);
    margin: 0 auto;
    padding: 0 clamp(1.5rem, 4vw, 2rem);
}

.agent-twin-apply__title {
    font-size: clamp(1.75rem, 3.5vw, 3.5rem);
    font-weight: 700;
    color: var(--color-white);
    text-align: center;
    margin: 0 0 0.25rem;
}

.agent-twin-apply__subtitle {
    font-size: clamp(1rem, 1.5vw, 1.25rem);
    color: rgba(255, 255, 255, 0.8);
    text-align: center;
    margin: 0 0 clamp(3rem, 6vw, 4rem);
}

.agent-twin-apply__timeline {
    position: relative;
    overflow: visible;
}

.agent-twin-apply__connectors {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

.agent-twin-apply__connector {
    stroke: rgba(255, 255, 255, 0.6);
    stroke-width: 2;
    stroke-linecap: round;
    fill: none;
}

.agent-twin-apply__card {
    position: relative;
    z-index: 1;
    display: flex;
    justify-content: flex-start;
    align-items: center;
    margin-bottom: clamp(2.5rem, 5vw, 3.5rem);
    opacity: 0;
    transform: translateX(-80px);
}

.agent-twin-apply__card--right {
    justify-content: flex-end;
    transform: translateX(80px);
}

.agent-twin-apply__card:last-child {
    margin-bottom: 0;
}

.agent-twin-apply__card-inner {
    width: calc(50% - 3rem);
    max-width: 480px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.agent-twin-apply__card--right .agent-twin-apply__card-inner {
    align-items: center;
    text-align: center;
}

.agent-twin-apply__card-img-wrap {
    width: 350px;
    height: 350px;
    border-radius: 50%;
    overflow: hidden;
    margin-bottom: 1rem;
    box-shadow: 0 0 0 0px #fff, 0 0 30px rgb(187 187 187);
}

.agent-twin-apply__card-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.agent-twin-apply__card-label {
    font-size: 1.3rem;
    font-weight: 500;
    color: var(--overlay-white-90);
    margin-bottom: 1rem;
}

.agent-twin-apply__card-title {
    font-size: clamp(1.1rem, 1.5vw, 1.35rem);
    font-weight: 700;
    color: var(--color-white);
    margin: 0 0 0.75rem;
    line-height: 1.4;
}

.agent-twin-apply__card-desc {
    font-size: clamp(0.9rem, 1.1vw, 1rem);
    line-height: 1.7;
    color: var(--overlay-white-85);
    margin: 0;
}

/* ---------- Section: As-is / To-be / 장기적 효과 (comparison-container 스타일 동일) ---------- */
.agent-twin-comparison {
    background: var(--color-black);
    padding: clamp(4rem, 8vw, 6rem) 0;
    position: relative;
    z-index: 2;
}

.agent-twin-comparison__wrap {
    max-width: var(--max-width-content);
    margin: 0 auto;
    padding: 0 clamp(1.5rem, 4vw, 2rem);
}

.agent-twin-comparison .comparison-container {
    width: 100%;
    padding: clamp(1.5rem, 3vw, 3rem) 0;
    box-sizing: border-box;
}

.agent-twin-comparison .comparison-container__title {
    text-align: left;
    margin-bottom: 70px;
}

.agent-twin-comparison .comparison-container__main {
    margin: 0;
    font-size: clamp(2rem, 4.5vw, 3.5rem);
    font-weight: 700;
    color: var(--color-white);
    line-height: 1.3;
}

.agent-twin-comparison__as-is-to-be {
    width: 100%;
    margin-bottom: 1.5rem;
}

.agent-twin-comparison__as-is-to-be .agent-twin-comparison__img {
    width: 100%;
    height: auto;
    display: block;
}

.agent-twin-comparison .comparison-container__mission {
    background: transparent;
    padding: 0 0 0 0;
    margin: 0 0 2rem;
    font-size: clamp(1.15rem, 1.5vw, 2.35rem);
    font-weight: 600;
    color: var(--color-white);
    text-align: left;
}

.agent-twin-comparison__effect {
    margin-top: 1.5rem;
    width: 100vw;
    max-width: none;
    margin-left: calc(50% - 50vw);
    margin-right: calc(50% - 50vw);
    padding: clamp(5.5rem, 6vw, 8rem) clamp(2rem, 5vw, 4rem);
    background: linear-gradient(to bottom, var(--color-main) 0%, var(--color-main) 50%, #000000 100%);
    border-radius: 50% 50% 0 0 / 50% 50% 0 0;
    text-align: center;
    box-sizing: border-box;
}

.agent-twin-comparison__effect-subtitle {
    margin: 0 0 0.5rem;
    font-size: clamp(0.95rem, 1.2vw, 1.1rem);
    font-weight: 600;
    color: var(--color-white);
    line-height: 1.3;
}

.agent-twin-comparison__effect-title {
    margin: 0 0 0.75rem;
    font-size: clamp(1.15rem, 2vw, 1.5rem);
    font-weight: 700;
    color: var(--color-white);
    line-height: 1.4;
}

.agent-twin-comparison__effect-list {
    margin: 0;
    padding: 0;
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 0 1rem;
    font-size: clamp(0.9rem, 1.2vw, 1.1rem);
    font-weight: 500;
    color: var(--overlay-white-95);
    line-height: 1.6;
}

.agent-twin-comparison__effect-list li {
    display: flex;
    align-items: center;
    margin-bottom: 0;
}

.agent-twin-comparison__effect-list li:not(:last-child)::after {
    content: '';
    display: inline-block;
    width: 1px;
    height: 1em;
    margin-left: 1rem;
    background: rgba(255, 255, 255, 0.6);
}

/* ---------- 경영적 기대효과 ---------- */
.agent-twin-comparison__managerial {
    margin-top: 15rem;
    width: 100vw;
    max-width: none;
    margin-left: calc(50% - 50vw);
    margin-right: calc(50% - 50vw);
    padding: 2rem clamp(2rem, 5vw, 4rem) 3rem;
    box-sizing: border-box;
}

.agent-twin-comparison__managerial-title {
    margin: 0 0 1.5rem;
    font-size: clamp(1.15rem, 1.5vw, 2.35rem);
    font-weight: 700;
    color: var(--color-white);
}

.agent-twin-comparison__managerial-desc {
    margin: 0 0 5.5rem;
    font-size: 1.3rem;
    line-height: 1.6;
    color: var(--overlay-white-85);
}

.agent-twin-comparison__managerial-steps-wrap {
    position: relative;
    margin-bottom: 10rem;
}

.agent-twin-comparison__managerial-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    min-height: 600px;
}

.agent-twin-comparison__managerial-step {
    position: relative;
    padding: 1.5rem 1.25rem;
    background: transparent;
    border-left: 1px solid rgba(255, 255, 255, 0.25);
    border-right: 1px solid rgba(255, 255, 255, 0.25);
    transition: background 0.3s ease, border-color 0.3s ease;
}

.agent-twin-comparison__managerial-step:hover {
    background: linear-gradient(to right, rgba(0, 255, 255, 0.4) 0%, rgba(0, 255, 255, 0.1) 50%, transparent 100%);
    border-left: 4px solid var(--color-main);
    border-right-color: rgba(255, 255, 255, 0.25);
}

.agent-twin-comparison__managerial-step[data-step="3"],
.agent-twin-comparison__managerial-step[data-step="4"] {
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.agent-twin-comparison__managerial-step-num {
    display: block;
    margin-bottom: 2rem;
    font-size: 2rem;
    font-weight: 600;
    color: var(--overlay-white-90);
}

.agent-twin-comparison__managerial-step-title {
    margin: 0 0 1rem;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-white);
    line-height: 1.3;
}

.agent-twin-comparison__managerial-step-desc {
    margin: 0;
    font-size: 1.2rem;
    line-height: 1.6;
    max-width: 360px;
    color: var(--overlay-white-85);
}

.agent-twin-comparison__managerial-line {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.agent-twin-comparison__managerial-svg {
    width: 100%;
    height: 100%;
}

.agent-twin-comparison__managerial-path {
    stroke: rgba(255, 255, 255, 0.5);
    stroke-width: 4;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.agent-twin-comparison__managerial-step .agent-twin-comparison__managerial-marker {
    position: absolute;
    width: 18px;
    height: 18px;
    border: 4px solid rgba(255, 255, 255, 0.7);
    border-radius: 50%;
    background: var(--color-black);
    z-index: 2;
    transition: background 0.3s ease, border-color 0.3s ease;
}

.agent-twin-comparison__managerial-step[data-step="1"] .agent-twin-comparison__managerial-marker {
    left: 0;
    bottom: 0;
    transform: translate(-50%, 50%);
}

.agent-twin-comparison__managerial-step[data-step="2"] .agent-twin-comparison__managerial-marker {
    left: 0;
    bottom: 30%;
    transform: translate(-50%, 50%);
}

.agent-twin-comparison__managerial-step[data-step="3"] .agent-twin-comparison__managerial-marker {
    left: 0;
    bottom: 60%;
    transform: translate(-50%, 50%);
}

.agent-twin-comparison__managerial-step[data-step="4"] .agent-twin-comparison__managerial-marker--left {
    left: 0;
    bottom: 80%;
    right: auto;
    top: auto;
    transform: translate(-50%, 50%);
}

.agent-twin-comparison__managerial-step[data-step="4"] .agent-twin-comparison__managerial-marker:not(.agent-twin-comparison__managerial-marker--left) {
    right: 0;
    top: 0;
    left: auto;
    bottom: auto;
    transform: translate(50%, -50%);
}

.agent-twin-comparison__managerial-step:hover .agent-twin-comparison__managerial-marker {
    background: var(--color-main);
    border-color: var(--color-main);
}

.agent-twin-comparison__managerial-step:hover .agent-twin-comparison__managerial-step-num,
.agent-twin-comparison__managerial-step:hover .agent-twin-comparison__managerial-step-title {
    color: var(--color-main);
}

.agent-twin-comparison__managerial-conclusion-desc {
    margin: 0;
    font-size: clamp(1.4rem, 2.2vw, 2rem);
    font-weight: 600;
    line-height: 1.6;
    color: var(--color-main);
    text-align: center;
}

/* ---------- Section 3: The What (Sindoh s5-inner 스타일 참고) ---------- */
.agent-twin-what {
    background: var(--color-black);
    padding: clamp(6rem, 14vw, 10rem) 0;
}

/* light-mode에서 solution-section이 #fff로 덮어쓰므로, agent-twin-what은 검정 유지 */
body.prototype-03.light-mode.solution-sub .solution-section.agent-twin-what {
    background: var(--color-black);
}

/* 다른 섹션과 구분되도록 상하 패딩 확대 */
body.solution-sub .solution-section.agent-twin-what {
    padding: clamp(7rem, 16vw, 15rem) 0;
}

.agent-twin-what__inner {
    max-width: var(--max-width-content);
    margin: 0 auto;
    padding: 0 clamp(1.5rem, 3vw, 2rem);
}

.agent-twin-what__title {
    font-size: clamp(1.5rem, 3vw, 4rem);
    font-weight: 700;
    color: var(--color-white);
    text-align: center;
    margin: 0 0 2rem;
    line-height: 1.4;
}

.agent-twin-what__subtitle {
    font-size: clamp(0.95rem, 1.5vw, 1.3rem);
    color: rgba(255, 255, 255, 0.8);
    text-align: center;
    margin: 0 0 3rem;
    line-height: 1.7;
}

.agent-twin-what__cards {
    display: flex;
    gap: 1rem;
    align-items: stretch;
    min-height: 260px;
    max-width: var(--max-width-content);
    margin: 0 auto;
}

.agent-twin-what__card {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 2rem 1.5rem;

    transition: flex 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: default;
    overflow: hidden;
}

/* 호버 시: 해당 카드 확장, 나머지 축소 */
.agent-twin-what__cards:has(.agent-twin-what__card:hover) .agent-twin-what__card:hover {
    flex: 2.2;
}

.agent-twin-what__cards:has(.agent-twin-what__card:hover) .agent-twin-what__card:not(:hover) {
    flex: 0.6;
}

.agent-twin-what__card--1 {
    background: var(--color-white);
    color: #000;
}

.agent-twin-what__card--2 {
    background: linear-gradient(135deg, #ffe4b5 0%, #ffd89b 100%);
    color: #3d351a;
}

.agent-twin-what__card--3 {
    background: linear-gradient(135deg, #b8e6d5 0%, #a8ddc8 100%);
    color: #1a3d32;
}

.agent-twin-what__card-visual {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 120px;
    max-height: 120px;
    margin-bottom: 1.25rem;
    overflow: hidden;
}

.agent-twin-what__card-visual img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
}

.agent-twin-what__card-visual svg {
    width: 80px;
    height: 80px;
    opacity: 0.9;
}

.agent-twin-what__card-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin: 0 0 0.5rem;
    color: inherit;
}

.agent-twin-what__card-desc {
    font-size: 0.9rem;
    line-height: 1.5;
    margin: 0;
    color: inherit;
    opacity: 0.9;
}

@media (max-width: 768px) {
    .agent-twin-what__cards {
        flex-direction: column;
        min-height: auto;
    }
    .agent-twin-what__card {
        flex: 1 1 auto !important;
    }
    .agent-twin-what__cards:has(.agent-twin-what__card:hover) .agent-twin-what__card:hover,
    .agent-twin-what__cards:has(.agent-twin-what__card:hover) .agent-twin-what__card:not(:hover) {
        flex: 1 1 auto !important;
    }
    .agent-twin-what__card-visual {
        height: 100px;
        max-height: 100px;
    }
    .agent-twin-what__card-visual svg {
        width: 60px;
        height: 60px;
    }
}

/* ---------- Section 4: Key Features ---------- */
.agent-twin-features {
    background: var(--agent-twin-bg-dark);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.agent-twin-features__slider {
    width: 100%;
    overflow: hidden;
}

.agent-twin-features__track {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    max-width: var(--max-width-content);
    margin: 0 auto;
}

.agent-twin-features__card {
    position: relative;
    overflow: hidden;
    padding: 2.5rem 2rem;
    min-height: 260px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(74, 144, 217, 0.15);
    border-radius: 16px;
    color: var(--overlay-white-90);
}

.agent-twin-features__card-bg.bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 0%;
    height: 100%;
    background: linear-gradient(135deg, var(--agent-twin-blue) 0%, var(--agent-twin-blue-light) 100%);
    z-index: 0;
    border-radius: inherit;
    pointer-events: none;
    transition: none;
}

.agent-twin-features__icon {
    position: relative;
    z-index: 1;
    color: var(--agent-twin-blue-light);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.agent-twin-features__icon svg {
    width: 48px;
    height: 48px;
}

.agent-twin-features__card-title {
    position: relative;
    z-index: 1;
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0 0 0.75rem;
    color: inherit;
}

.agent-twin-features__card-desc {
    position: relative;
    z-index: 1;
    font-size: 0.9rem;
    color: inherit;
    margin: 0;
    line-height: 1.6;
    opacity: 0.95;
}

/* ---------- Section 5: Core Tech ---------- */
.agent-twin-core {
    background: var(--agent-twin-navy);
}

.agent-twin-core__process {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1.5rem;
    max-width: 1100px;
    margin: 0 auto;
}

.agent-twin-core__step {
    flex: 1;
    min-width: 280px;
    max-width: 320px;
    padding: 2rem 2.25rem;
    background: var(--overlay-white-05);
    border: 1px solid rgba(74, 144, 217, 0.25);
    border-radius: 16px;
}

.agent-twin-core__step-num {
    display: inline-block;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--agent-twin-blue-light);
    margin-bottom: 1rem;
    letter-spacing: 0.05em;
}

.agent-twin-core__step-title {
    font-size: 1.35rem;
    font-weight: 700;
    margin: 0 0 0.75rem;
    color: var(--color-white);
}

.agent-twin-core__step-desc {
    font-size: 0.95rem;
    color: var(--overlay-white-85);
    margin: 0;
    line-height: 1.65;
}

.agent-twin-core__arrow {
    flex-shrink: 0;
    color: var(--agent-twin-blue-light);
    opacity: 0.7;
}

.agent-twin-core__arrow svg {
    width: 32px;
    height: 32px;
}

/* ---------- Section 6: Roadmap ---------- */
.agent-twin-roadmap {
    background: var(--agent-twin-navy-light);
}

.agent-twin-roadmap__flow {
    display: flex;
    align-items: stretch;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
    max-width: 1100px;
    margin: 0 auto;
}

.agent-twin-roadmap__box {
    flex: 1;
    min-width: 280px;
    max-width: 340px;
    padding: 2rem 2.25rem;
    border-radius: 16px;
}

.agent-twin-roadmap__box--asis {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.agent-twin-roadmap__box--tobe {
    background: linear-gradient(135deg, rgba(30, 90, 168, 0.4) 0%, rgba(74, 144, 217, 0.2) 100%);
    border: 1px solid var(--agent-twin-blue-light);
}

.agent-twin-roadmap__box--effect {
    background: linear-gradient(135deg, var(--agent-twin-blue) 0%, var(--agent-twin-blue-light) 100%);
    border: 1px solid var(--agent-twin-blue-accent);
}

.agent-twin-roadmap__box-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0 0 1.25rem;
    color: var(--color-white);
}

.agent-twin-roadmap__list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.agent-twin-roadmap__list li {
    position: relative;
    padding-left: 1.25rem;
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--overlay-white-95);
}

.agent-twin-roadmap__list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.5em;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--agent-twin-blue-light);
}

.agent-twin-roadmap__arrow {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    color: var(--agent-twin-blue-light);
    opacity: 0.8;
}

.agent-twin-roadmap__arrow svg {
    width: 28px;
    height: 28px;
}

/* ---------- Section 7: Benefits ---------- */
.agent-twin-benefits {
    background: var(--agent-twin-bg-dark);
}

.agent-twin-benefits__cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    max-width: var(--max-width-content);
    margin: 0 auto;
}

.agent-twin-benefits__card {
    position: relative;
}

.agent-twin-benefits__card-inner {
    padding: 2.5rem 2rem;
    min-height: 220px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(74, 144, 217, 0.2);
    border-radius: 16px;
    transition: border-color 0.3s ease, transform 0.3s ease;
}

.agent-twin-benefits__card:hover .agent-twin-benefits__card-inner {
    border-color: var(--agent-twin-blue-light);
    transform: translateY(-4px);
}

.agent-twin-benefits__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
    color: var(--agent-twin-blue-light);
}

.agent-twin-benefits__icon svg {
    width: 48px;
    height: 48px;
}

.agent-twin-benefits__card-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin: 0 0 0.75rem;
    color: var(--color-white);
}

.agent-twin-benefits__card-desc {
    font-size: 0.9rem;
    color: var(--overlay-white-85);
    margin: 0;
    line-height: 1.6;
}

/* ---------- CTA Section Override ---------- */
body.page-agent-twin .solution-cta-section {
    background: var(--agent-twin-navy);
}

/* ---------- Light mode: solution-section 배경 검정 유지 ---------- */
body.prototype-03.light-mode.solution-sub.page-agent-twin .solution-section {
    background: var(--color-black);
}

/* ========== 반응형 (미디어쿼리 통합) ========== */
@media (max-width: 1024px) {
    .agent-twin-system__cards {
        flex-wrap: wrap;
        gap: 1.5rem;
    }
    .agent-twin-system__card {
        flex: 1 1 calc(33.33% - 1rem);
        min-width: 180px;
    }
    .agent-twin-system__card:nth-child(3n)::after {
        display: none;
    }
    .agent-twin-comparison__managerial-steps {
        grid-template-columns: repeat(2, 1fr);
    }
    .agent-twin-features__track {
        grid-template-columns: repeat(2, 1fr);
    }
    .agent-twin-benefits__cards {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 900px) {
    .agent-twin-core__process {
        flex-direction: column;
    }
    .agent-twin-core__arrow {
        transform: rotate(90deg);
    }
    .agent-twin-roadmap__flow {
        flex-direction: column;
        align-items: center;
    }
    .agent-twin-roadmap__arrow {
        transform: rotate(90deg);
    }
}

@media (max-width: 768px) {
    .introduction-necessity {
        padding: 80px 0;
    }
    .introduction-necessity__title {
        padding: 0 1rem 2.5rem;
    }
    .introduction-necessity__hero {
        min-height: 320px;
        margin-bottom: 2.5rem;
    }
    .introduction-necessity__hero-content {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        text-align: center;
    }
    .introduction-necessity__hero-right {
        justify-content: center;
    }
    .introduction-necessity__copy {
        text-align: center;
    }
    .introduction-necessity__logo {
        max-width: 160px;
    }
    .introduction-necessity__desc p {
        font-size: 16px;
        line-height: 1.9;
    }
    .agent-twin-comparison__managerial-steps {
        grid-template-columns: 1fr;
    }
    .agent-twin-comparison__managerial-line {
        height: 100px;
    }
    .agent-twin-apply__card {
        justify-content: flex-start !important;
        padding-left: 3rem;
        transform: translateX(-40px) !important;
    }
    .agent-twin-apply__card-inner {
        width: 100%;
        max-width: none;
        align-items: flex-start;
        text-align: left;
    }
    .agent-twin-apply__card-img-wrap {
        width: 120px;
        height: 120px;
    }
    .agent-twin-strengths__header {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        margin-bottom: 1.5rem;
    }
    .agent-twin-strengths__title {
        text-align: center;
    }
    .agent-twin-strengths__desc {
        text-align: center;
    }
    .agent-twin-strengths__block {
        margin-bottom: 3rem;
    }
    .agent-twin-system__cards {
        flex-direction: column;
        align-items: center;
        gap: 1.5rem;
    }
    .agent-twin-system__card {
        flex: 0 0 auto;
        width: 100%;
        max-width: 400px;
        padding: 0;
    }
    .agent-twin-system__card:not(:last-child)::after {
        display: none;
    }
    .agent-twin-system__card-body {
        width: 100%;
        border-radius: 40px;
    }
    .agent-twin-tagline__text {
        padding: 0 1.5rem;
        font-size: clamp(1.25rem, 5vw, 1.75rem);
    }
    .agent-twin-why__title,
    .agent-twin-why__subtitle {
        padding-left: calc(5vw + 40px);
    }
    .agent-twin-why__cards-container {
        margin-left: calc(50% - min(45vw, 400px) - 80px);
    }
    .agent-twin-why__card {
        flex: 0 0 min(90vw, 800px);
        width: min(90vw, 800px);
        height: 400px;
        border-radius: 24px;
    }
    .agent-twin-why__card-header {
        flex-direction: column;
        padding: 1.5rem 1.25rem 1rem;
    }
    .agent-twin-why__card-visual {
        margin: 0 1rem 1rem;
        border-radius: 12px;
    }
    .agent-twin-why__card-visual img {
        border-radius: 12px;
    }
    .agent-twin-what__cards {
        flex-direction: column;
        min-height: auto;
    }
    .agent-twin-what__card {
        flex: 1 1 auto !important;
    }
    .agent-twin-what__cards:has(.agent-twin-what__card:hover) .agent-twin-what__card:hover,
    .agent-twin-what__cards:has(.agent-twin-what__card:hover) .agent-twin-what__card:not(:hover) {
        flex: 1 1 auto !important;
    }
    .agent-twin-what__card-visual {
        height: 100px;
        max-height: 100px;
    }
    .agent-twin-what__card-visual svg {
        width: 60px;
        height: 60px;
    }
}

@media (max-width: 640px) {
    .agent-twin-features__track {
        grid-template-columns: 1fr;
    }
    .agent-twin-benefits__cards {
        grid-template-columns: 1fr;
    }
}