/* ===== common ===== */
.scroll-reveal p {
    font-size:1.5rem;
    color: var(--primary); font-weight: 400; margin-bottom: 6px;
}
.page-hero{
    background-size:cover;
    background-position:center;
    background-repeat:no-repeat;
}
/* 다이어그램 -> 이미지로 변경(solution 공통) */
.hiw-image-wrapper{
    width:100%;
    text-align:center;
    margin: 30px 0;
}
.hiw-responsive-img{
    width:100%;
    max-width:1100px;
    height:auto;
}
/* ===== Solution: 3개 카드 (아이콘 좌 + 텍스트 우) ===== */
.sol-feature-list {
    max-width: 1800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.sol-feature-row {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    background: var(--bg-card);
    border-radius: 14px;
    padding: 24px;
    transition: border-color 0.3s ease, background 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
    border: 1.5px solid transparent;
}
.sol-feature-row:hover {
    border-color: rgba(255,61,61,0.25);
    background: var(--bg-card-hover);
    box-shadow: 0 4px 16px rgba(0,0,0,0.08);
    transform: translateX(4px);
}
.sol-feature-row-icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), #5BB5E8);
    border: 2px solid rgba(255,61,61,0.2);
    display: flex; align-items: center; justify-content: center;
    color: #fff;
    flex-shrink: 0;
    transition: background 0.3s ease-in-out, color 0.3s ease-in-out, border-color 0.3s ease-in-out;
}
.sol-feature-row:hover .sol-feature-row-icon {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}
.sol-feature-row-text h4 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}
.sol-feature-row-text p {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ===== Solution: 핵심기능 3가지 (가로 카드) ===== */
.sol-core-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 1800px;
    margin: 0 auto;
}
.scroll-reveal > .sol-core-card {
    height:100%;
}
.sol-core-card {
    background: var(--bg-card);
    border-radius: 14px;
    padding: 32px 24px;
    text-align: center;
    transition: border-top-color 0.3s ease-in-out, background 0.3s ease-in-out, transform 0.3s ease-in-out, box-shadow 0.3s ease-in-out;
    border-top: 3px solid var(--primary);
    min-height: 240px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
}
.sol-core-card:hover {
    border-top-color: var(--primary);
    background: var(--bg-card-hover);
    transform: translateY(-6px);
    box-shadow: 0 8px 24px rgba(255,61,61,0.15);
}
.sol-core-card-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), #5BB5E8);
    border: 2px solid rgba(255,61,61,0.18);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    margin-bottom: 20px;
    transition: background 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}
.sol-core-card:hover .sol-core-card-icon {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}
.sol-core-card h4 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}
.sol-core-card p {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ===== 뉴스 콘텐츠 AI 채증 솔루션 How it works 다이어그램 ===== */

/* Pipeline */
.pipeline {
    display: flex; align-items: stretch; gap: 0;
    padding-bottom: 8px;
    margin: 48px 0;
}
.pipeline-step {
    display: flex; flex-direction: column; align-items: center;
    min-width: 150px; flex: 1; text-align: center;
}
.pipeline-num {
    font-family: 'Outfit', sans-serif;
    font-size: 11px; font-weight: 700; color: #2E8BFF;
    letter-spacing: 1px; margin-bottom: 10px;
}
.pipeline-icon-wrap {
    width: 72px; height: 72px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    background: var(--primary-light);
    border: 2px solid rgba(46, 139, 255, 0.12);
    font-size: 28px; margin-bottom: 14px;
    position: relative;
    transition: all 0.3s;
}
.pipeline-icon-wrap img { width: 40px; height: 40px; }
.pipeline-step:hover .pipeline-icon-wrap {
    border-color: rgba(46, 139, 255, 0.4);
    box-shadow: 0 0 24px rgba(46, 139, 255, 0.15);
}
.pipeline-step-title {
    font-size: 14px; font-weight: 700; color: #FFFFFF;
    margin-bottom: 6px;
}
.pipeline-step-desc {
    font-size: 12px; color: var(--text-secondary);
    line-height: 1.5; max-width: 140px;
}
.pipeline-arrow {
    display: flex; align-items: center; padding-top: 28px;
    color: #2E8BFF; font-size: 18px; min-width: 36px;
}

/* ===== 음란물 AI 필터링 How it works 다이어그램 ===== */

/* 순환 다이어그램 */
.circular-diagram {
    position: relative;
    width: 700px;
    height: 500px;
    margin: 50px auto;
}
.circular-diagram-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background: linear-gradient(135deg, #8B5CF6, #A78BFA);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 48px;
    font-weight: 700;
    box-shadow: 0 8px 30px rgba(255,61,61,0.3);
    z-index: 2;
}
.circular-node {
    position: absolute;
    width: 120px;
    text-align: center;
}
.circular-node-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 12px;
    border-radius: 16px;
    background: var(--bg-card);
    border: 2px solid rgba(255,61,61,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    transition: background 0.3s ease, border-color 0.3s ease, transform 0.3s ease;
}
.circular-node:hover .circular-node-icon {
    background: var(--primary-light);
    border-color: var(--primary);
    transform: scale(1.05);
}
.circular-node-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.4;
}
.circular-node.top { top: 0; left: 50%; transform: translateX(-50%); }
.circular-node.right { top: 50%; right: 0; transform: translateY(-50%); }
.circular-node.bottom { bottom: 0; left: 50%; transform: translateX(-50%); }
.circular-node.left { top: 50%; left: 0; transform: translateY(-50%); }

/* 순환 화살표 */
.circular-arrow {
    position: absolute;
    width: 60px;
    height: 60px;
    color: var(--primary);
    opacity: 0.6;
    z-index: 1;
}
.circular-arrow.top-right { top: 15%; right: 15%; transform: rotate(45deg); }
.circular-arrow.right-bottom { bottom: 15%; right: 15%; transform: rotate(135deg); }
.circular-arrow.bottom-left { bottom: 15%; left: 15%; transform: rotate(225deg); }
.circular-arrow.left-top { top: 15%; left: 15%; transform: rotate(315deg); }

/* 특장점 카드 (5개) */
.feature-cards-5 {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
    max-width: 1800px;
    margin-bottom: 70px;
}
.feature-card-5 {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 24px 20px;
    text-align: center;
    transition: border-top-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
    border-top: 3px solid transparent;
    position: relative;
}
.feature-card-5:hover {
    border-top-color: var(--primary);
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(255,61,61,0.12);
}
.feature-card-5-num {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 16px;
}
.feature-card-5-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}
.feature-card-5-problem {
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 12px;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}
.feature-card-5-arrow {
    font-size: 20px;
    color: var(--primary);
    margin: 8px 0;
}
.feature-card-5-solution {
    font-size: 12px;
    color: var(--text-primary);
    line-height: 1.6;
    background: rgba(255,61,61,0.05);
    padding: 12px;
    border-radius: 8px;
}

/* ===== 반응형 ===== */
@media (max-width: 1100px) {
    .feature-cards-5 { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 1024px) {
    .scroll-reveal p { font-size: 1rem; }
}
@media(max-width:900px) {
    /* 핵심기능 3개 카드 */
    .sol-core-grid { grid-template-columns: 1fr; }

    /* 뉴스 채증 ai */
    .pipeline { flex-direction: column; align-items: center; gap: 0; }
    .pipeline-step { display: grid; grid-template-columns: 72px 1fr; grid-template-areas: "num   num" "icon  title" "icon  desc";
        column-gap: 20px; row-gap: 4px; align-items: center; max-width: 220px; min-width: unset; }
    .pipeline-icon-wrap { grid-area: icon; margin-bottom: 0; align-self: center; }
    .pipeline-num { grid-area: num; text-align: left; margin-bottom: 6px; position: static; top: auto; left: auto; transform: none; white-space: nowrap; }
    .pipeline-step-title { grid-area: title; text-align: left; margin-bottom: 0; }
    .pipeline-step-desc { grid-area: desc; text-align: left; max-width: unset; }
    .pipeline-arrow { justify-content: center; padding: 4px 0 4px 25px; min-width: unset; width: 100%; max-width: 380px; transform: rotate(90deg); transform-origin: center; }
}
@media(max-width:800px){
    /* 음란물 ai */
    .circular-diagram { width: 100%; height: 400px; }
    .circular-diagram-center { width: 140px; height: 140px; font-size: 36px; }
    .circular-node { width: 100px; }
    .circular-node-icon { width: 60px; height: 60px; }
    .circular-node-label { font-size: 11px; }
    /* 고주파 */
    .feature-cards-5 { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
    .pipeline-step { grid-template-columns: 60px 1fr; max-width: 100%; }
    .pipeline-icon-wrap { width: 60px; height: 60px; }
    .pipeline-icon-wrap img { width: 32px;  }
    .pipeline-step-title { font-size: 13px; }
    .pipeline-step-desc  { font-size: 12px; }
}

/* 임시 */
.core-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}
.core-card {
    background: var(--bg-card);
    border: 1px solid  rgba(46, 139, 255, 0.12);
    border-radius: 10px;
    padding: 28px 24px;
    border-left: 3px solid;
    transition: all 0.3s;
}
.core-card:nth-child(1) { border-left-color: #2E8BFF; }
.core-card:nth-child(2) { border-left-color: #00D4FF; }
.core-card:nth-child(3) { border-left-color: #00E88F; }
.core-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 40px rgba(46, 139, 255, 0.08);
}
.core-card h5 {
    font-family: 'Outfit', sans-serif;
    font-size: 12px; font-weight: 700; text-transform: uppercase;
    letter-spacing: 1.5px; color: #2E8BFF;
    margin-bottom: 8px;
}
.core-card:nth-child(2) h5 { color: #00D4FF; }
.core-card:nth-child(3) h5 { color: #00E88F }
.core-card h4 {
    font-size: 16px; font-weight: 700; color: #FFFFFF;
    margin-bottom: 10px;
}
.core-card p {
    font-size: 13.5px; color: var(--text-secondary); line-height: 1.7;
}
@media(max-width:930px) {
    /* 핵심기능 3개 카드 */
    .core-grid {
        grid-template-columns: 1fr;
    }
}