:root {
    --primary: #175c8e;
    --navy: #0d1b2a;
    --black: #15191d;
    --white: #ffffff;
    --gray-100: #f3f2ee;
    --gray-200: #dfe2e3;
    --gray-400: #92999e;
    --gray-600: #5f686f;
    --gray-800: #2c343a;
    --industrial-accent: #c4633d;
    --max-w: 1280px;
    --font-en: 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, Roboto, 'Helvetica Neue', 'Segoe UI', 'Apple SD Gothic Neo', 'Noto Sans KR', sans-serif;
    --font-kr: 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, Roboto, 'Helvetica Neue', 'Segoe UI', 'Apple SD Gothic Neo', 'Noto Sans KR', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
    font-family: var(--font-kr);
    color: var(--black);
    background-color: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
ul, li { list-style: none; }

/* Utilities */
.inner { max-width: var(--max-w); margin: 0 auto; padding: 0 5%; }
.text-center { text-align: center; }
.pwa-section { padding: 140px 0; }
.section-title { font-size: 2.8rem; font-weight: 800; line-height: 1.3; margin-bottom: 24px; letter-spacing: -1.5px; }
.section-desc { font-size: 1.125rem; color: var(--gray-600); line-height: 1.8; margin-bottom: 48px; }

/* Header */
.header {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: 85px; 
    background: #ffffff !important; /* 항상 로고 배경색(흰색)과 일치하도록 고정 */
    z-index: 1000;
    border-bottom: 1px solid var(--gray-200);
    transition: none; /* 화면 변경 시 튀지 않도록 효과 제거 */
}
.header-inner {
    max-width: var(--max-w); margin: 0 auto; padding: 0 5%;
    height: 100%; display: flex; align-items: center; justify-content: space-between;
}
.logo { 
    display: flex; 
    align-items: center; 
    height: 100%;
}
.logo img { 
    height: 44px; 
    width: auto; 
    mix-blend-mode: multiply; 
    transition: transform 0.3s;
}
.logo:hover img { transform: scale(1.05); }

.gnb { display: flex; gap: 40px; }
.gnb a {
    text-decoration: none;
    color: var(--navy); 
    font-weight: 700;
    font-size: 1rem;
    transition: all 0.3s;
    letter-spacing: -0.5px;
    position: relative; 
}
.gnb a:hover,
.gnb a.active { color: var(--primary); }
@media (max-width: 768px) {
    .header { height: 60px; }
    .logo img { height: 32px; }
}

.gnb a::after {
    content: ''; position: absolute; bottom: -6px; left: 0;
    width: 0; height: 2px; background: var(--primary);
    transition: width 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
}
.gnb a:hover::after,
.gnb a.active::after { width: 100%; }

.btn-quote {
    padding: 10px 24px; background: var(--black); color: var(--white);
    font-weight: 700; border-radius: 40px; font-size: 0.95rem;
    transition: all 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
    display: inline-flex; align-items: center; justify-content: center;
}
.btn-quote:hover,
.btn-quote.active { 
    background: var(--primary); 
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(23,92,142,0.3);
}

/* Hero */
.hero {
    position: relative;
    height: 100vh; min-height: 700px;
    display: flex; align-items: center;
    padding-top: 80px;
    background: var(--navy);
    color: var(--white);
    overflow: hidden;
}
.hero-bg {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    /* 원래의 브랜드 그라데이션 복구 + 배경 이미지 혼합 */
    background: linear-gradient(135deg, rgba(9, 20, 34, 0.85), rgba(22, 42, 66, 0.85), rgba(27, 61, 88, 0.85)), 
                url('hero.webp') center/cover no-repeat;
    background-blend-mode: overlay;
    z-index: 1;
}
.hero-bg::after {
    content: ''; position: absolute; inset: 0;
    background-image: radial-gradient(rgba(255,255,255,0.05) 1px, transparent 1px);
    background-size: 40px 40px; opacity: 0.4;
}
.hero-content {
    position: relative; z-index: 2;
    max-width: var(--max-w); margin: 0 auto; padding: 0 5%;
    width: 100%;
}
.hero-eyebrow {
    font-family: var(--font-en); font-size: 0.875rem;
    letter-spacing: 5px; color: rgba(255,255,255,0.7);
    margin-bottom: 25px; font-weight: 700;
}
.hero-title {
    font-size: clamp(3.5rem, 6vw, 6rem);
    font-weight: 900; line-height: 1.15; margin-bottom: 30px;
    letter-spacing: -2px;
    text-shadow: 0 4px 12px rgba(0,0,0,0.4);
}
.hero-title span { background: linear-gradient(90deg, #ffffff, #a2d2ff); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.hero-desc { font-size: 1.35rem; font-weight: 300; line-height: 1.8; color: rgba(255,255,255,0.85); margin-bottom: 50px; text-shadow: 0 2px 8px rgba(0,0,0,0.5); }

.hero-actions { display: flex; gap: 20px; }
.btn-primary, .btn-secondary {
    padding: 18px 44px; font-size: 1.05rem; font-weight: 700;
    border-radius: 50px; transition: all 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
    cursor: pointer; display: inline-flex; align-items: center; justify-content: center;
}
.btn-primary { background: var(--white); color: var(--black); }
.btn-primary:hover { background: var(--primary); color: var(--white); transform: translateY(-3px); box-shadow: 0 10px 20px rgba(0,79,179,0.3); }
.btn-secondary { border: 1px solid rgba(255,255,255,0.4); color: var(--white); background: transparent; }
.btn-secondary:hover { border-color: var(--white); background: rgba(255,255,255,0.1); transform: translateY(-3px); }

/* About Section */
.about { background: var(--white); overflow: hidden; }
.ceo-wrap { display: flex; justify-content: center; margin-bottom: 80px; }
.about-text { max-width: 900px; width: 100%; margin: 0 auto; }
.sub-title { display: block; font-family: var(--font-en); font-size: 0.9rem; font-weight: 800; color: var(--primary); letter-spacing: 3px; margin-bottom: 20px; }
.about-text .section-title { font-size: 3.2rem; letter-spacing: -1.5px; margin-bottom: 35px; line-height: 1.3; color: var(--navy); }
.about-text .section-desc { font-size: 1.15rem; color: var(--gray-600); line-height: 1.95; font-weight: 400; margin-bottom: 40px; word-break: keep-all; }

.ceo-signature { border-top: 1px solid var(--gray-200); padding-top: 25px; display: flex; align-items: center; justify-content: flex-end; }
.ceo-author-info { display: flex; flex-direction: column; gap: 5px; text-align: right; }
.ceo-label { font-size: 0.95rem; color: var(--gray-500); font-weight: 500; }
.ceo-name { font-size: 1.6rem; font-weight: 800; color: var(--black); letter-spacing: 2px; }

/* History Timeline - Zigzag Up & Down */
.history-outer { 
    margin-top: 80px; 
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}
.history-timeline { 
    display: flex; 
    flex-wrap: wrap; 
    justify-content: space-between;
    row-gap: 240px; /* 위아래 단 사이의 간격 */
    column-gap: 40px;
    position: relative;
}
/* 중앙 관통선 */
.history-timeline::before {
    content: '';
    position: absolute;
    top: calc(50% + 5px); /* 중앙에 완벽하게 정렬 */
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gray-200);
    z-index: 1;
}

.history-item { 
    position: relative; 
    flex: 1 1 200px;
    max-width: 280px;
    z-index: 2;
    text-align: center;
}

/* 타임라인 점 (중앙 정렬) */
.history-item::after {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 14px;
    height: 14px;
    background: var(--white);
    border: 3px solid var(--primary);
    border-radius: 50%;
    z-index: 5;
    transition: all 0.3s;
}

/* 홀수 번째 항목 (위쪽 배치) */
.history-item:nth-child(odd) {
    padding-bottom: 60px;
}
.history-item:nth-child(odd)::after {
    bottom: -125px; /* 중앙선 위치로 점 이동 */
}
/* 수직 가이드라인 (위쪽) */
.history-item:nth-child(odd)::before {
    content: '';
    position: absolute;
    left: 50%;
    bottom: -115px;
    width: 1px;
    height: 100px;
    background: linear-gradient(to top, var(--primary), transparent);
    opacity: 0.3;
}

/* 짝수 번째 항목 (아래쪽 배치) */
.history-item:nth-child(even) {
    padding-top: 130px;
}
.history-item:nth-child(even)::after {
    top: 5px; /* 중앙선 위치로 점 이동 */
}
/* 수직 가이드라인 (아래쪽) */
.history-item:nth-child(even)::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 15px;
    width: 1px;
    height: 100px;
    background: linear-gradient(to bottom, var(--primary), transparent);
    opacity: 0.3;
}

.hi-year { 
    font-family: var(--font-en); 
    font-size: 2.22rem; 
    font-weight: 900; 
    color: var(--primary); 
    line-height: 1; 
    margin-bottom: 12px; 
    letter-spacing: -2px; 
}
.hi-desc { 
    font-size: 1rem; 
    color: var(--gray-700); 
    line-height: 1.6; 
    font-weight: 700;
    word-break: keep-all;
}

@media (max-width: 1024px) {
    .history-timeline { row-gap: 180px; }
    .history-item:nth-child(odd)::after { bottom: -95px; }
    .history-item:nth-child(even) { padding-top: 100px; }
}

@media (max-width: 768px) {
    .history-timeline { flex-direction: column; row-gap: 40px; }
    .history-timeline::before { display: none; }
    .history-item { max-width: 100%; text-align: left; padding: 20px 0 20px 30px !important; }
    .history-item::after { left: 5px; top: 30px !important; transform: none; }
    .history-item::before { display: none; }
}

@media (max-width: 1024px) {
    .ceo-wrap { flex-direction: column; gap: 50px; }
    .about-text .section-title { font-size: 2.5rem; }
    .ceo-image { width: 100%; max-width: 500px; margin: 0 auto; }
}

/* Business Section */
.business { background: var(--gray-100); }
.bz-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; margin-top: 70px; }
.bz-card {
    background: var(--white);
    border-radius: 20px; overflow: hidden;
    box-shadow: 0 15px 35px rgba(0,0,0,0.04);
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    border: 1px solid rgba(0,0,0,0.02);
}
.bz-card:hover { 
    transform: translateY(-12px);
    box-shadow: 0 25px 50px rgba(0,0,0,0.1);
    border-color: rgba(0,79,179,0.15);
}
.bz-img {
    height: 260px; background-size: cover; background-position: center;
    background-color: var(--gray-200); position: relative;
    overflow: hidden;
}
.bz-img::after {
    content: ''; position: absolute; inset: 0; background: linear-gradient(to top, rgba(0,0,0,0.5), transparent);
}
.bz-img-1 { background-image: url('mold_korean.webp'); }
.bz-img-2 { 
    background-image: url('injection_machine.webp'); 
    background-size: contain; 
    background-repeat: no-repeat; 
    background-position: center; 
    background-color: #ffffff; 
}
.bz-img-2::after { display: none; }
.bz-img-3 { background-image: url('maintenance_korean.webp'); }

.bz-info { padding: 45px 35px; }
.bz-info h4 { font-family: var(--font-en); font-size: 0.9rem; color: var(--gray-400); letter-spacing: 2px; margin-bottom: 12px; font-weight: 800; }
.bz-info h5 { font-size: 1.6rem; font-weight: 800; color: var(--black); margin-bottom: 20px; letter-spacing: -0.5px; }
.bz-info p { font-size: 1.1rem; color: var(--gray-600); line-height: 1.7; }

/* Products Section */
.products { background: #fcfdfe; }
.prod-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; margin-top: 60px; }
.prod-card { 
    background: var(--white); 
    border-radius: 20px; 
    overflow: hidden; 
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1); 
    border: 1px solid #edf2f7; 
    box-shadow: 0 10px 30px rgba(0,0,0,0.03); 
}
.prod-card:hover { 
    transform: translateY(-12px); 
    box-shadow: 0 30px 60px rgba(0,0,0,0.08); 
    border-color: rgba(0,79,179,0.1); 
}
.prod-img { 
    height: 220px; 
    background-size: cover; 
    background-position: center; 
    transition: transform 0.6s;
    background-color: #f1f5f9;
}
.prod-card:hover .prod-img { transform: scale(1.05); }
.prod-info { padding: 35px 28px; }
.prod-info h4 { 
    font-size: 1.35rem; 
    font-weight: 800; 
    color: var(--navy); 
    margin-bottom: 18px; 
    letter-spacing: -0.7px; 
    line-height: 1.3; 
    word-break: keep-all; 
}
.prod-info p { 
    font-size: 1rem; 
    color: var(--gray-600); 
    line-height: 1.7; 
    word-break: keep-all; 
    font-weight: 400;
}
.prod-img-1 { 
    background-image: url('electronics_parts.webp'); 
    background-size: contain; 
    background-repeat: no-repeat; 
    background-position: center; 
    background-color: #ffffff; 
}
.prod-img-2 { background-image: url('doorlock_parts.webp'); }
.prod-img-3 { background-image: url('quality_korean.png'); } 
.prod-img-4 { 
    background-image: url('auto_parts.webp'); 
    background-size: contain; 
    background-repeat: no-repeat; 
    background-position: center; 
    background-color: #ffffff; 
}

/* Engineering */
.engineering { background: var(--black); color: var(--white); }
.engineering .section-title { color: var(--white); font-family: var(--font-en); }
.engineering .section-desc { color: rgba(255,255,255,0.7); }
.eng-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; margin-top: 70px; }
.eng-item {
    border-top: 2px solid rgba(255,255,255,0.15);
    padding-top: 35px; transition: border-color 0.4s;
}
.eng-item:hover { border-top-color: var(--primary); }
.eng-num { font-family: var(--font-en); font-size: 3.5rem; font-weight: 900; color: rgba(255,255,255,0.1); line-height: 1; margin-bottom: 25px; transition: color 0.4s; }
.eng-item:hover .eng-num { color: var(--primary); }
.eng-item h4 { font-size: 1.6rem; font-weight: 700; margin-bottom: 15px; }
.eng-item p { color: rgba(255,255,255,0.65); font-size: 1.1rem; line-height: 1.7; }

/* Stats Container in Engineering */
.stats-container { display: flex; justify-content: center; gap: 80px; margin-top: 80px; flex-wrap: wrap; padding-top: 60px; border-top: 1px solid rgba(255,255,255,0.1); }
.stat-box { text-align: center; }
.stat-box h4 { font-family: var(--font-en); font-size: 4rem; font-weight: 900; color: var(--white); line-height: 1; margin-bottom: 10px; }
.stat-box h4 span { color: rgba(255,255,255,0.5); }
.stat-unit { font-size: 2rem; margin-left: 5px; color: rgba(255,255,255,0.5); }
.stat-box p { font-size: 1.1rem; color: rgba(255,255,255,0.7); font-weight: 500; }
.eng-cta { text-align: center; margin-top: 60px; }
.btn-eng-detail { display: inline-block; border: 1.5px solid rgba(255,255,255,0.3); color: rgba(255,255,255,0.85); padding: 16px 48px; border-radius: 100px; font-size: 1.05rem; font-weight: 700; transition: all 0.3s cubic-bezier(0.165, 0.84, 0.44, 1); }
.btn-eng-detail:hover { background: var(--white); color: var(--black); border-color: var(--white); transform: translateY(-3px); box-shadow: 0 10px 20px rgba(0,0,0,0.2); }

/* ESG Section - Dhsol Card Style */
.esg { background: var(--navy); padding-bottom: 0; }
.esg .inner { padding-bottom: 60px; }
.esg .section-title { color: var(--white); }
.esg .section-desc { color: rgba(255,255,255,0.7); }

.esg-cards-wrap {
    display: flex;
    height: 560px;
    width: 100%;
}
.esg-card {
    position: relative;
    flex: 1;
    min-width: 80px;
    overflow: hidden;
    cursor: pointer;
    transition: flex 0.7s cubic-bezier(0.77, 0, 0.175, 1);
    border-right: 1px solid rgba(255,255,255,0.1);
}
.esg-card:last-child { border-right: none; }
.esg-card.active { flex: 4; }

.esg-card-bg {
    position: absolute; inset: 0;
    background-size: cover; background-position: center;
    transition: transform 0.7s cubic-bezier(0.77, 0, 0.175, 1), filter 0.5s;
    filter: brightness(0.35) saturate(0.4);
}
.esg-card.active .esg-card-bg { filter: brightness(0.45) saturate(0.7); transform: scale(1.03); }
.esg-bg-env { background-image: url('이미지%20고민중/환경.webp'); }
.esg-bg-quality { background-image: url('esg_quality.png'); } /* User Nanobanana Asset: Precision */
.esg-bg-social { background-image: url('이미지%20고민중/사회.webp'); }
.esg-bg-ethic { background-image: url('이미지%20고민중/지배구조.webp'); }

.esg-card-content {
    position: absolute; inset: 0;
    display: flex; flex-direction: column;
    justify-content: flex-end;
    padding: 48px 40px;
    color: var(--white);
}
.esg-card-icon { font-size: 2rem; margin-bottom: 12px; opacity: 0; transform: translateY(10px); transition: opacity 0.4s 0.3s, transform 0.4s 0.3s; }
.esg-card.active .esg-card-icon { opacity: 1; transform: translateY(0); }
.esg-card-title { font-size: 1.7rem; font-weight: 900; letter-spacing: -1px; margin-bottom: 0; transition: margin-bottom 0.4s 0.1s; white-space: nowrap; }
.esg-card.active .esg-card-title { margin-bottom: 20px; }

.esg-card-body { opacity: 0; max-height: 0; overflow: hidden; transition: opacity 0.4s 0.3s, max-height 0.5s 0.2s; }
.esg-card.active .esg-card-body { opacity: 1; max-height: 300px; }
.esg-card-body p { font-size: 1rem; color: rgba(255,255,255,0.8); line-height: 1.7; margin-bottom: 20px; word-break: keep-all; }
.esg-card-body ul { list-style: none; padding: 0; margin-bottom: 24px; }
.esg-card-body ul li { font-size: 0.95rem; color: rgba(255,255,255,0.7); padding: 5px 0; padding-left: 16px; position: relative; }
.esg-card-body ul li::before { content: '—'; position: absolute; left: 0; color: rgba(255,255,255,0.4); }
.esg-badges { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 24px; }
.esg-badge { font-size: 0.8rem; font-weight: 700; font-family: var(--font-en); padding: 5px 14px; border-radius: 100px; border: 1.5px solid rgba(255,255,255,0.5); color: var(--white); }
.btn-esg-detail { display: inline-block; background: rgba(255,255,255,0.15); color: var(--white); padding: 11px 28px; border-radius: 100px; font-size: 0.95rem; font-weight: 700; border: 1.5px solid rgba(255,255,255,0.4); transition: all 0.3s; backdrop-filter: blur(4px); }
.btn-esg-detail:hover { background: var(--white); color: var(--navy); }

/* Certifications */
.cert { background: var(--white); }
.cert-grid {
    display: grid; grid-template-columns: repeat(5, 1fr);
    border-top: 1px solid var(--gray-200);
}
.cert-item {
    padding: 70px 50px; border-right: 1px solid var(--gray-200); border-bottom: 1px solid var(--gray-200);
    transition: background 0.4s;
}
.cert-item:nth-child(5n) { border-right: none; }
.cert-item:hover { background: var(--gray-100); }
.cert-item h4 { font-family: var(--font-en); font-size: 1.85rem; font-weight: 900; margin-bottom: 15px; letter-spacing: -0.5px; }
.cert-item p { font-size: 1.1rem; color: var(--gray-600); line-height: 1.7; }

/* Partners Section */
.partners-wrap { padding: 90px 0; background: var(--white); border-top: 1px solid var(--gray-200); position: relative; }
.partners-title { text-align: center; font-size: 1.8rem; color: var(--navy); font-weight: 500; margin-bottom: 50px; letter-spacing: -0.5px; }
.partners-title strong { color: var(--black); font-weight: 800; }
.partners-group { max-width: 960px; margin: 0 auto 40px; }
.partners-group-title { font-size: 1.25rem; font-weight: 800; color: var(--navy); margin-bottom: 20px; display: flex; align-items: center; gap: 10px; }
.partners-group-title .badge-dot { width: 9px; height: 9px; background: var(--primary); border-radius: 50%; display: inline-block; }
.partner-cards-grid { display: grid; gap: 20px; }
.lamp-partners { grid-template-columns: repeat(3, 1fr); }
.elec-partners { grid-template-columns: repeat(3, 1fr); }
.partner-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 14px;
    padding: 18px 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 96px;
    box-shadow: 0 4px 14px rgba(0,0,0,0.03);
    transition: all 0.35s cubic-bezier(0.165, 0.84, 0.44, 1);
}
.partner-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 14px 28px rgba(0,0,0,0.08);
    border-color: var(--primary);
}
.partner-card img {
    max-width: 100%;
    max-height: 56px;
    object-fit: contain;
    transition: transform 0.3s;
}
.partner-card:hover img {
    transform: scale(1.04);
}

/* CTA */
.cta { background: var(--navy); color: var(--white); position: relative; overflow: hidden; }
.cta::before {
    content: ''; position: absolute; inset: 0;
    background: radial-gradient(circle at 50% 150%, var(--primary) 0%, transparent 65%);
    opacity: 0.4;
}
.cta .inner { position: relative; z-index: 1; }
.cta h3 { font-size: 2.8rem; font-weight: 800; margin-bottom: 25px; letter-spacing: -1.5px; }
.cta p { font-size: 1.3rem; color: rgba(255,255,255,0.85); margin-bottom: 45px; }
.cta-btns { display: flex; gap: 20px; justify-content: center; }

/* Footer */
.footer { background: var(--gray-100); padding: 90px 0 50px; border-top: 1px solid var(--gray-200); }
.footer-inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 50px; }
.ft-brand .logo { font-size: 2.2rem; color: var(--black); font-weight: 900; letter-spacing: -1px; }
.ft-info { max-width: 650px; }
.ft-links { display: flex; gap: 35px; margin-bottom: 35px; }
.ft-links a { font-weight: 700; color: var(--gray-800); font-size: 1.05rem; }
.ft-address { color: var(--gray-600); font-size: 1rem; margin-bottom: 35px; line-height: 1.9; }
.copyright { color: var(--gray-400); font-size: 0.9rem; font-family: var(--font-en); }

/* Animations */
.fade-in {
    opacity: 0; transform: translateY(50px);
    transition: opacity 1s cubic-bezier(0.165, 0.84, 0.44, 1), transform 1s cubic-bezier(0.165, 0.84, 0.44, 1);
}
.fade-in.visible { opacity: 1; transform: translateY(0); }
.delay-1 { transition-delay: 0.15s; }
.delay-2 { transition-delay: 0.3s; }
.delay-3 { transition-delay: 0.45s; }

/* Responsive */
@media (max-width: 1024px) {
    .about-inner { grid-template-columns: 1fr; gap: 50px; }
    .bz-grid { grid-template-columns: repeat(2, 1fr); }
    .prod-grid { grid-template-columns: repeat(2, 1fr); }
    .eng-grid { grid-template-columns: repeat(2, 1fr); }
    .cert-grid { grid-template-columns: repeat(2, 1fr); }
    .cert-item:nth-child(5n) { border-right: 1px solid var(--gray-200); }
    .cert-item:nth-child(2n) { border-right: none; }
    .hero-title { font-size: 4rem; }
    /* ESG cards: 2-column on tablet */
    .esg-cards-wrap { flex-direction: column; height: auto; }
    .esg-card { min-width: unset; min-height: 80px; border-right: none; border-bottom: 1px solid rgba(255,255,255,0.1); transition: min-height 0.6s cubic-bezier(0.77,0,0.175,1); }
    .esg-card.active { flex: none; min-height: 400px; }
    .esg-card-title { white-space: normal; font-size: 1.4rem; }
    .esg-card-content { padding: 28px 24px; }
}
@media (max-width: 768px) {
    .header-inner { flex-wrap: wrap; }
    .gnb { display: none; }
    .bz-grid, .prod-grid, .eng-grid, .cert-grid { grid-template-columns: 1fr; }
    .stats-container { gap: 40px; }
    .cert-item { border-right: none; }
    .hero-title { font-size: 2.6rem; letter-spacing: -1.5px; }
    .section-title { font-size: 2rem; }
    .pwa-section { padding: 70px 0; }

    /* Fix partners title word-break */
    .partners-title { font-size: 1.2rem; word-break: keep-all; padding: 0 20px; }

    /* ESG cards: full vertical stack on mobile */
    .esg-cards-wrap { flex-direction: column; height: auto; }
    .esg-card { flex: none; min-width: unset; min-height: 72px; border-right: none; border-bottom: 1px solid rgba(255,255,255,0.1); transition: min-height 0.6s cubic-bezier(0.77,0,0.175,1); }
    .esg-card.active { flex: none; min-height: 380px; }
    .esg-card-bg { filter: brightness(0.4) saturate(0.5); }
    .esg-card.active .esg-card-bg { filter: brightness(0.45) saturate(0.7); }
    .esg-card-content { flex-direction: row; align-items: center; padding: 20px 20px; }
    .esg-card.active .esg-card-content { flex-direction: column; align-items: flex-start; justify-content: flex-end; padding: 24px 20px; }
    .esg-card-icon { margin-bottom: 0; margin-right: 12px; font-size: 1.4rem; opacity: 1; transform: none; }
    .esg-card.active .esg-card-icon { margin-right: 0; margin-bottom: 10px; }
    .esg-card-title { font-size: 1.1rem; white-space: normal; margin-bottom: 0; }
    .esg-card.active .esg-card-title { margin-bottom: 14px; font-size: 1.3rem; }
    .esg-card-body p { font-size: 0.9rem; margin-bottom: 12px; }
    .esg-card-body ul li { font-size: 0.875rem; }

    /* Stats container */
    .stats-container { flex-direction: column; gap: 30px; padding-top: 40px; }
    .stat-box h4 { font-size: 3rem; }

    /* Engineering caption */
    .eng-grid { grid-template-columns: 1fr 1fr; gap: 20px; }
    .eng-num { font-size: 2.5rem; }
    .eng-item h4 { font-size: 1.2rem; }

    /* Footer map support */
    .footer-inner { flex-direction: column; gap: 40px; }
    .footer-map-container { width: 100%; height: 250px; }

    /* CTA */
    .cta-btns { flex-direction: column; align-items: center; }
    .btn-primary, .btn-secondary { width: 100%; max-width: 320px; }
}

/* ==========================================================================
   Professional Product Image Treatment & Technical Icons
   ========================================================================== */

/* Product Image Optimization (De-AI Tone) */
.photo-item {
    position: relative; overflow: hidden; border-radius: 12px;
    background: #000;
}
.photo-item img {
    width: 100%; height: 100%; object-fit: cover;
    transition: transform 0.8s cubic-bezier(0.165, 0.84, 0.44, 1), 
                filter 0.5s ease;
    filter: saturate(0.8) contrast(1.1) brightness(0.9); /* Heavy industrial look */
    display: block;
}
.photo-item:hover img {
    transform: scale(1.06);
    filter: saturate(1) contrast(1.15) brightness(1);
}
.photo-item::after {
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(to top, rgba(0,20,50,0.45) 0%, transparent 45%);
    pointer-events: none;
    transition: opacity 0.3s;
}
.photo-item:hover::after { opacity: 0.7; }

/* SVG Icon Integration for Product Tabs */
.cat-nav a { display: flex; align-items: center; gap: 8px; font-weight: 700; color: var(--gray-500); }
.cat-nav a svg {
    opacity: 0.5;
    transition: all 0.3s;
    flex-shrink: 0;
}
.cat-nav a:hover svg,
.cat-nav a.active svg {
    opacity: 1;
    color: var(--primary);
    transform: translateY(-1px);
}

/* Category Header Technical Icons */
.cat-header-icon {
    width: 56px; height: 56px; border-radius: 14px;
    background: rgba(0,79,179,0.06);
    display: flex; align-items: center; justify-content: center;
    color: var(--primary);
    margin-right: 20px;
}
.cat-header-icon svg { width: 28px; height: 28px; }

/* Responsive Adjustments */
@media (max-width: 768px) {
    .cat-nav-wrap { overflow-x: auto; padding: 0 20px; }
    .cat-nav { width: max-content; }
    .cat-header-icon { width: 44px; height: 44px; margin-right: 14px; }
    .cat-header-icon svg { width: 22px; height: 22px; }
}

/* Sub Banner - Standardized for Consistency */
.sub-banner { 
    height: 380px !important; 
    background: linear-gradient(135deg, #0a0f1a 0%, #0B192C 55%, #132340 100%);
    display: flex; 
    align-items: center; 
    justify-content: center; 
    text-align: center; 
    position: relative;
    overflow: hidden;
}
.sub-banner::before {
    content: ''; position: absolute; inset: 0;
    background-image: radial-gradient(rgba(255,255,255,0.04) 1px, transparent 1px);
    background-size: 40px 40px;
}
.sub-banner-inner { width: 100%; position: relative; z-index: 10; }
.sub-banner-eyebrow { 
    font-size: 0.9rem; font-weight: 800; color: var(--primary); 
    letter-spacing: 3px; text-transform: uppercase; margin-bottom: 12px; 
}
.sub-banner h1 { 
    font-size: 3.8rem; font-weight: 900; color: #fff; 
    margin: 0; letter-spacing: -1px; line-height: 1.2;
}
.breadcrumb { 
    display: flex; justify-content: center; gap: 10px; 
    color: rgba(255,255,255,0.4); font-size: 0.9rem; margin-top: 25px; 
}
.breadcrumb a { color: inherit; text-decoration: none; transition: color 0.2s; }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .current { color: #fff; font-weight: 600; }
.breadcrumb strong { color: #fff; font-weight: 600; }

/* Footer - Unified for All Pages */
.footer { background: var(--gray-100); padding: 90px 0 50px; border-top: 1px solid var(--gray-200); }
.footer-inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 50px; align-items: flex-start; }
.ft-brand .logo img { height: 45px; margin-bottom: 25px; }
.ft-info { max-width: 650px; }
.ft-links { display: flex; gap: 35px; margin-bottom: 35px; flex-wrap: wrap; }
.ft-links a { font-weight: 700; color: var(--gray-800); font-size: 1.05rem; }
.ft-links a:hover { color: var(--primary); }
.ft-address { color: var(--gray-600); font-size: 1rem; margin-bottom: 35px; line-height: 1.9; }
.tel { font-weight: 800; color: var(--navy); display: block; margin-top: 15px; }
.footer-map-container { flex: 1; min-width: 300px; max-width: 500px; height: 280px; border-radius: 20px; overflow: hidden; border: 1px solid var(--gray-200); }
.footer-map-container iframe { width: 100%; height: 100%; border: 0; }
.copyright { color: var(--gray-400); font-size: 0.9rem; font-family: var(--font-en); margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--gray-200); width: 100%; }

@media (max-width: 1024px) {
    .footer-inner { flex-direction: column; }
    .ft-info { max-width: 100%; }
    .footer-map-container { width: 100%; max-width: 100%; margin-top: 30px; }
}

@media (max-width: 768px) {
    .footer { padding: 60px 0 30px; }
    .ft-links { gap: 15px 25px; margin-bottom: 25px; }
    .ft-address { word-break: break-all; font-size: 0.95rem; }
    .footer-map-container { display: flex; flex-direction: column; height: auto; min-width: 0; border: none; overflow: visible; }
    .footer-map-container iframe { position: relative; height: 250px; border-radius: 12px; border: 1px solid var(--gray-200); width: 100%; }
    .footer-map-container.naver-footer-card { position: relative; height: 280px; border-radius: 20px; border: 1px solid var(--gray-200); overflow: hidden; }
    .footer-map-container.naver-footer-card .footer-map-link { height: 100%; border: none; }
    .footer-map-btns { position: static; justify-content: flex-start; margin-top: 15px; display: flex; width: 100%; gap: 10px; }
    .footer-map-btns .map-nav-btn { flex: 1; text-align: center; justify-content: center; padding: 12px 0; font-size: 0.95rem; }
}

/* Location & Contact Sections (Used in About & Quote) */
.location-section { margin-top: 150px; padding-top: 100px; border-top: 1px solid var(--gray-100); }
.map-box-large { height: 450px; border-radius: 20px; overflow: hidden; margin-bottom: 40px; box-shadow: 0 15px 40px rgba(0,0,0,0.1); border: 1px solid var(--gray-200); position: relative; }
.map-box-large iframe { width: 100%; height: 100%; border: none; display: block; position: absolute; inset: 0; }

/* Naver Map Integration Styles */
.map-box-large.naver-map-card {
    position: relative;
    background: #e5e9ec;
    display: block;
    cursor: pointer;
}
.naver-map-link {
    display: block;
    width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
    color: inherit;
    text-decoration: none;
}
.naver-map-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
}
.map-box-large.naver-map-card:hover .naver-map-img {
    transform: scale(1.03);
}
.naver-map-badge {
    position: absolute;
    top: 20px;
    left: 20px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(8px);
    padding: 8px 14px;
    border-radius: 999px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.12);
    border: 1px solid rgba(3, 199, 90, 0.3);
    z-index: 2;
}
.naver-n-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    background: #03C75A;
    color: #fff;
    font-weight: 900;
    font-size: 0.85rem;
    border-radius: 4px;
    font-family: var(--font-en);
}
.naver-badge-text {
    font-weight: 700;
    font-size: 0.85rem;
    color: #191919;
    letter-spacing: -0.3px;
}
.naver-map-overlay-card {
    position: absolute;
    bottom: 24px;
    left: 24px;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(10px);
    padding: 18px 22px;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    border: 1px solid var(--gray-200);
    max-width: 420px;
    z-index: 2;
    transition: transform 0.25s, box-shadow 0.25s;
}
.map-box-large.naver-map-card:hover .naver-map-overlay-card {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}
.naver-card-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 6px;
}
.naver-pin-icon {
    font-size: 1.3rem;
    line-height: 1;
}
.naver-place-name {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--navy);
    display: block;
    line-height: 1.3;
}
.naver-place-sub {
    font-size: 0.8rem;
    color: var(--gray-500);
    display: block;
}
.naver-place-addr {
    font-size: 0.9rem;
    color: var(--gray-700);
    margin: 8px 0 12px;
    line-height: 1.4;
}
.naver-place-action {
    display: flex;
}
.naver-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: #03C75A;
    color: #fff;
    font-weight: 700;
    font-size: 0.85rem;
    padding: 8px 16px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(3, 199, 90, 0.35);
    transition: background 0.2s;
}
.naver-cta-btn:hover {
    background: #02b350;
}

/* Footer Naver Map Card */
.footer-map-container.naver-footer-card {
    position: relative;
    background: #e5e9ec;
    overflow: hidden;
}
.footer-map-link {
    display: block;
    width: 100%;
    height: 100%;
    position: relative;
    text-decoration: none;
    color: inherit;
    overflow: hidden;
}
.footer-map-link:hover .footer-map-img {
    transform: scale(1.05);
}
.footer-map-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.35s ease;
}
.footer-map-chip {
    position: absolute;
    top: 12px;
    left: 12px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(6px);
    padding: 5px 10px;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 700;
    color: #191919;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    z-index: 2;
}
.naver-n-icon-sm {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    background: #03C75A;
    color: #fff;
    font-weight: 900;
    font-size: 0.7rem;
    border-radius: 3px;
    font-family: var(--font-en);
}
.footer-map-pin-label {
    position: absolute;
    bottom: 52px;
    left: 12px;
    right: 12px;
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(8px);
    padding: 8px 12px;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
    z-index: 2;
    pointer-events: none;
}
.footer-map-pin-label strong {
    display: block;
    font-size: 0.85rem;
    font-weight: 800;
    color: var(--navy);
    line-height: 1.3;
}
.footer-map-pin-label span {
    display: block;
    font-size: 0.75rem;
    color: var(--gray-600);
    line-height: 1.2;
    margin-top: 2px;
}

.location-info-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px; }
.info-card { padding: 30px; background: #f8fafc; border-radius: 15px; border: 1px solid var(--gray-200); transition: transform 0.3s; }
.info-card:hover { transform: translateY(-5px); background: #fff; box-shadow: 0 10px 30px rgba(0,0,0,0.05); }
.info-card h4 { color: var(--navy); margin-bottom: 15px; font-weight: 800; font-size: 1.1rem; }
.info-card p { color: var(--gray-600); line-height: 1.8; font-size: 0.95rem; word-break: keep-all; }

/* Navigation Map Buttons */
.map-btn-wrap { display: flex; gap: 8px; margin-top: 15px; }
.map-nav-btn {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 8px 14px; border-radius: 6px; font-size: 0.85rem; font-weight: 700;
    text-decoration: none; transition: transform 0.2s, box-shadow 0.2s;
    letter-spacing: -0.5px;
}
.map-nav-btn:hover { transform: translateY(-2px); box-shadow: 0 4px 10px rgba(0,0,0,0.1); color: inherit; }
.map-nav-kakao { background-color: #FEE500; color: #191919; border: 1px solid rgba(0,0,0,0.05); }
.map-nav-naver { background-color: #03C75A; color: #fff; border: 1px solid rgba(0,0,0,0.05); }

.footer-map-container { position: relative; }
.footer-map-btns { position: absolute; bottom: 15px; right: 15px; display: flex; gap: 8px; z-index: 10; }
.footer-map-btns .map-nav-btn { box-shadow: 0 2px 8px rgba(0,0,0,0.15); }

@media (max-width: 768px) {
    .location-info-grid { grid-template-columns: 1fr; }
    .map-box-large { height: 300px; }
    .map-box-large.naver-map-card { height: auto; }
    .map-box-large.naver-map-card .naver-map-img { height: 250px; }
    .naver-map-overlay-card { position: static; margin: 15px; max-width: none; }
    .location-section { margin-top: 80px; padding-top: 60px; }
    .footer-map-container.naver-footer-card { height: 240px; }
    .footer-map-pin-label { bottom: 58px; }
}

/* ==========================================================================
   Production UX hardening: keyboard, mobile navigation and responsive layout
   ========================================================================== */
.skip-link {
    position: fixed;
    top: 12px;
    left: 12px;
    z-index: 3000;
    padding: 12px 18px;
    border-radius: 8px;
    background: var(--navy);
    color: var(--white);
    font-weight: 800;
    transform: translateY(-150%);
    transition: transform 150ms ease-out;
}
.skip-link:focus { transform: translateY(0); }

:where(a, button, input, textarea, select, [role="button"]):focus-visible {
    outline: 3px solid #ffb000;
    outline-offset: 3px;
}

.mobile-menu-toggle,
.mobile-menu-overlay { display: none; }

.mobile-menu-toggle {
    width: 48px;
    height: 48px;
    padding: 12px;
    border: 0;
    background: transparent;
    cursor: pointer;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    touch-action: manipulation;
}
.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    border-radius: 2px;
    background: var(--navy);
    transition: transform 300ms cubic-bezier(0.4, 0, 0.2, 1), opacity 150ms ease-out;
}
.mobile-menu-toggle.active span { background: var(--navy); }
.mobile-menu-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.mobile-menu-toggle.active span:nth-child(2) { opacity: 0; }
.mobile-menu-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu-overlay {
    position: fixed;
    inset: 0;
    z-index: 1150;
    align-items: center;
    justify-content: center;
    padding: 100px 24px 40px;
    overflow-y: auto;
    background:
        radial-gradient(circle at 82% 14%, rgba(0, 79, 179, 0.38), transparent 32%),
        #0b192c;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 300ms ease-out, visibility 300ms;
}
.mobile-menu-overlay::before {
    content: '';
    position: absolute;
    inset: 0;
    opacity: 0.35;
    background-image: linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
    background-size: 32px 32px;
    pointer-events: none;
}
.mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}
.mobile-menu-panel {
    position: relative;
    width: min(100%, 420px);
    transform: translateY(18px);
    opacity: 0;
    transition: transform 300ms ease-out, opacity 300ms ease-out;
}
.mobile-menu-overlay.active .mobile-menu-panel { transform: translateY(0); opacity: 1; }
.mobile-menu-nav { display: grid; gap: 4px; }
.mobile-menu-nav a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 56px;
    padding: 12px 18px;
    border-bottom: 1px solid rgba(255,255,255,0.12);
    color: rgba(255,255,255,0.9);
    font-size: 1.18rem;
    font-weight: 800;
}
.mobile-menu-nav a::after { content: '↗'; color: rgba(255,255,255,0.38); font-size: 0.9rem; }
.mobile-menu-nav a:hover,
.mobile-menu-nav a.active { color: var(--white); background: rgba(255,255,255,0.12); }
.mobile-menu-nav a.active::after { color: #a2d2ff; opacity: 1; }
.mobile-menu-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 54px;
    margin-top: 28px;
    border-radius: 8px;
    background: var(--primary);
    color: var(--white);
    font-weight: 900;
    box-shadow: 0 12px 30px rgba(0,79,179,0.32);
}
body.menu-open { overflow: hidden; touch-action: none; }
body.menu-open .header {
    z-index: 1200;
    background: var(--white) !important;
    border-bottom-color: var(--gray-200);
}
body.menu-open .logo img { filter: none; mix-blend-mode: multiply; }

.form-help {
    margin: -12px 0 24px;
    color: var(--gray-600);
    font-size: 0.88rem;
    line-height: 1.65;
}
.consent-box {
    margin: 8px 0 24px;
    padding: 18px 20px;
    border: 1px solid var(--gray-200);
    border-radius: 12px;
    background: var(--gray-100);
}
.consent-box p { margin-bottom: 12px; color: var(--gray-600); font-size: 0.88rem; line-height: 1.65; }
.consent-label { display: flex; align-items: flex-start; gap: 10px; font-weight: 700; cursor: pointer; }
.consent-label input { width: 20px; height: 20px; margin-top: 2px; flex: 0 0 auto; }
.form-status { min-height: 24px; margin-top: 14px; text-align: center; font-size: 0.92rem; font-weight: 700; }
.form-status.is-error { color: #b42318; }
.form-status.is-success { color: #18794e; }
.form-trap {
    position: absolute !important;
    left: -10000px !important;
    width: 1px !important;
    height: 1px !important;
    overflow: hidden !important;
}

button.cn-item {
    width: 100%;
    border: 0;
    color: inherit;
    font: inherit;
    text-align: left;
}
.prod-grid-featured { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 50px; }
.prod-card-img-v2.featured-media { height: 500px; }
.thumb-v2 { padding: 0; }

@media (max-width: 1024px) {
    .sub-layout { grid-template-columns: 1fr !important; gap: 44px !important; }
    .sub-sidebar { position: static !important; width: 100%; }
}

@media (max-width: 768px) {
    .header { height: 64px; }
    .header-inner { flex-wrap: nowrap; padding: 0 18px; }
    .logo img { height: 34px; }
    .gnb, .header-right { display: none; }
    .mobile-menu-toggle { display: inline-flex; margin-left: auto; }
    .mobile-menu-overlay { display: flex; }

    .inner { padding-inline: 20px; }
    .pwa-section { padding: 64px 0; }
    .hero { height: auto; min-height: 620px; padding: 112px 0 70px; }
    .hero-content { padding-inline: 24px; }
    .hero-title { font-size: clamp(2.35rem, 11vw, 3.15rem); line-height: 1.16; letter-spacing: -1.5px; }
    .hero-desc { font-size: 1rem; line-height: 1.7; margin-bottom: 32px; }
    .hero-actions { flex-direction: column; align-items: stretch; gap: 12px; }
    .hero-actions .btn-primary,
    .hero-actions .btn-about,
    .hero-actions .btn-secondary { width: 100%; max-width: 340px; min-height: 52px; margin: 0; padding: 14px 24px; }

    .sub-banner { height: 230px !important; padding-top: 64px; }
    .sub-banner h1 { font-size: clamp(2rem, 10vw, 2.8rem) !important; }
    .sub-banner-eyebrow { font-size: 0.72rem; letter-spacing: 2.5px; }
    .breadcrumb { margin-top: 14px; font-size: 0.82rem; }

    .quote-body, .report-body, .notice-body, .prod-body { padding: 56px 0 84px !important; }
    .quote-grid { grid-template-columns: 1fr !important; gap: 38px !important; }
    .form-panel { border-radius: 18px !important; }
    .form-header { padding: 28px 22px !important; }
    .form-content { padding: 28px 22px !important; }
    .form-row { grid-template-columns: 1fr !important; gap: 0 !important; }
    input, textarea, select { font-size: 16px !important; }

    .prod-grid-display,
    .prod-grid-featured { grid-template-columns: 1fr !important; gap: 28px !important; }
    .prod-card-img-v2,
    .prod-card-img-v2.featured-media { height: min(78vw, 360px) !important; padding: 12px !important; }
    .prod-card-content-v2 { padding: 24px !important; }
    .prod-card-title-v2 { font-size: 1.45rem !important; }
    .prod-cta { margin-top: 50px !important; padding: 46px 22px !important; border-radius: 18px !important; }
    .prod-cta h3 { font-size: 1.7rem !important; }

    .notice-toolbar { align-items: flex-start !important; gap: 16px; }
    .notice-container { overflow: visible; border: 0; background: transparent; box-shadow: none; }
    .board-table, .board-table tbody, .board-table tr, .board-table td { display: block; width: 100%; }
    .board-table thead { display: none; }
    .board-table tr {
        margin-bottom: 14px;
        padding: 18px;
        border: 1px solid var(--gray-200);
        border-radius: 14px;
        background: var(--white);
        box-shadow: 0 8px 24px rgba(11,25,44,0.04);
    }
    .board-table td { padding: 4px 0; border: 0; text-align: left !important; }
    .board-table td::before {
        content: attr(data-label);
        display: block;
        margin-bottom: 4px;
        color: var(--gray-500);
        font-size: 0.72rem;
        font-weight: 800;
        letter-spacing: 0.08em;
    }
    .notice-title { display: block; width: 100%; min-height: 44px; padding: 8px 0; text-align: left; }
    #notice-detail { padding-top: 0; }
    #notice-detail .notice-container { padding: 28px 22px !important; background: var(--white); border: 1px solid var(--gray-200); }
    .detail-title { font-size: 1.55rem; }
    .detail-content { font-size: 1rem; min-height: 180px; }

    .footer { padding: 54px 0 30px; }
    .footer-inner { gap: 30px; }
    .ft-links { gap: 12px 22px; }
    .ft-address { word-break: keep-all; }
}

@media (max-width: 480px) {
    .inner { padding-inline: 16px; }
    .hero { min-height: 570px; }
    .hero-title { font-size: 2.25rem; }
    .hero-desc br { display: none; }
    .eng-grid { grid-template-columns: 1fr; }
    .stat-box h4 { font-size: 2.5rem; }
    .mobile-menu-overlay { padding-inline: 18px; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    .fade-in { opacity: 1; transform: none; }
}

/* ==========================================================================
   Photo-led industrial design system
   Keeps the existing page structure and makes the real factory the focal point.
   ========================================================================== */
body {
    background: #f7f6f2;
    color: var(--black);
}

.inner {
    padding-inline: clamp(20px, 5vw, 64px);
}

.pwa-section {
    padding-block: clamp(88px, 9vw, 128px);
}

.section-title {
    color: var(--navy);
    font-size: clamp(2.35rem, 4.2vw, 3.55rem);
    font-weight: 700;
    line-height: 1.18;
    letter-spacing: -0.045em;
}

.section-desc {
    color: var(--gray-600);
    line-height: 1.85;
}

/* Slim, deliberate navigation */
.header {
    height: 76px !important;
    border-bottom-color: rgba(13, 27, 42, 0.12);
    box-shadow: none;
}

.header-inner {
    padding-inline: clamp(20px, 5vw, 64px);
}

.logo img {
    height: 40px;
}

.logo:hover img {
    transform: none;
}

.gnb {
    height: 100%;
    gap: clamp(22px, 2.5vw, 38px);
}

.gnb a {
    display: flex;
    align-items: center;
    height: 100%;
    color: #273542;
    font-size: 0.92rem;
    font-weight: 600;
    letter-spacing: -0.025em;
}

.gnb a::after {
    bottom: 0;
    height: 3px;
    background: var(--industrial-accent);
}

.btn-quote {
    min-height: 44px;
    padding: 11px 21px;
    border-radius: 4px !important;
    background: var(--navy);
    font-size: 0.9rem;
    font-weight: 600;
}

.btn-quote:hover {
    background: var(--primary);
    transform: none;
    box-shadow: none;
}

/* Real factory hero */
.hero {
    height: min(900px, 100svh);
    min-height: 720px;
    padding-top: 76px;
    align-items: center;
    background: var(--navy);
}

.hero-bg {
    background-image:
        linear-gradient(90deg, rgba(5, 16, 28, 0.9) 0%, rgba(5, 16, 28, 0.72) 34%, rgba(5, 16, 28, 0.28) 66%, rgba(5, 16, 28, 0.07) 100%),
        linear-gradient(0deg, rgba(5, 16, 28, 0.45) 0%, transparent 36%),
        url('hero.webp');
    background-position: center 46%;
    background-size: cover;
    background-repeat: no-repeat;
    background-blend-mode: normal;
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: clamp(20px, 5vw, calc((100vw - var(--max-w)) / 2 + 64px));
    width: 1px;
    background: linear-gradient(transparent 8%, rgba(255,255,255,0.2) 35%, rgba(255,255,255,0.2) 68%, transparent 94%);
}

.hero-bg::after {
    background: linear-gradient(180deg, rgba(5,16,28,0.08), transparent 22%, transparent 72%, rgba(5,16,28,0.38));
    opacity: 1;
}

.hero-content {
    padding-inline: clamp(36px, 7.5vw, 96px);
}

.hero-eyebrow {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 26px;
    color: rgba(255,255,255,0.7);
    font-family: var(--font-en);
    font-size: 0.76rem;
    font-weight: 600;
    letter-spacing: 0.18em;
}

.hero-eyebrow::before {
    content: '';
    width: 34px;
    height: 3px;
    background: var(--industrial-accent);
}

.hero-eyebrow span {
    color: var(--white);
    font-weight: 700;
}

.hero-title {
    max-width: 850px;
    margin-bottom: 28px;
    font-size: clamp(4.1rem, 6.8vw, 6.8rem);
    font-weight: 700;
    line-height: 1.02;
    letter-spacing: -0.065em;
    text-shadow: 0 3px 22px rgba(0,0,0,0.2);
}

.hero-title span {
    background: none;
    color: rgba(255,255,255,0.88);
    -webkit-text-fill-color: currentColor;
}

.hero-desc {
    max-width: 650px;
    margin-bottom: 38px;
    color: rgba(255,255,255,0.8);
    font-size: clamp(1rem, 1.45vw, 1.22rem);
    font-weight: 400;
    line-height: 1.75;
    text-shadow: 0 2px 10px rgba(0,0,0,0.25);
}

.hero-actions {
    gap: 10px;
}

.btn-primary,
.btn-secondary,
.btn-about,
.btn-eng-detail,
.btn-esg-detail,
.prod-cta a {
    min-height: 52px;
    border-radius: 4px !important;
}

.hero-actions a {
    min-width: 158px;
    padding: 15px 24px;
    font-size: 0.96rem;
    font-weight: 600;
}

.hero-actions a::after {
    content: '→';
    margin-left: 18px;
    font-family: var(--font-en);
}

.btn-primary {
    background: #f4f1e9;
    color: var(--navy);
}

.btn-primary:hover {
    background: var(--white);
    color: var(--navy);
    transform: none;
    box-shadow: none;
}

.btn-about {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255,255,255,0.5);
    color: var(--white);
    transition: background 150ms ease-out, border-color 150ms ease-out;
}

.btn-about:hover {
    border-color: var(--white);
    background: rgba(255,255,255,0.1);
}

.hero-capabilities {
    display: flex;
    width: fit-content;
    margin-top: 48px;
    border-top: 1px solid rgba(255,255,255,0.2);
}

.hero-capabilities span {
    min-width: 170px;
    padding: 16px 24px 0 0;
    color: rgba(255,255,255,0.74);
    font-size: 0.82rem;
    font-weight: 500;
}

.hero-capabilities b {
    margin-right: 10px;
    color: var(--industrial-accent);
    font-family: var(--font-en);
    font-size: 0.72rem;
    letter-spacing: 0.08em;
}

.hero-photo-caption {
    position: absolute;
    right: max(26px, calc((100vw - var(--max-w)) / 2 + 64px));
    bottom: 30px;
    z-index: 3;
    padding: 9px 12px;
    border-left: 2px solid var(--industrial-accent);
    background: rgba(5,16,28,0.68);
    color: rgba(255,255,255,0.9);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.hero-photo-caption span {
    padding-inline: 5px;
    color: var(--industrial-accent);
}

/* Content hierarchy and photo treatment */
.about {
    background: #fbfaf7;
}

.about-text .section-title {
    font-size: clamp(2.35rem, 4vw, 3.35rem);
    font-weight: 700;
}

.sub-title {
    color: var(--industrial-accent);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.18em;
}

.image-box {
    border-radius: 3px !important;
    box-shadow: none !important;
}

.image-box::after {
    content: '';
    position: absolute;
    inset: 0;
    border: 1px solid rgba(255,255,255,0.28);
    pointer-events: none;
}

.image-box:hover img,
.photo-item:hover img {
    transform: scale(1.02);
}

.image-deco {
    right: -18px;
    bottom: -18px;
    width: 72%;
    height: 42%;
    border-radius: 0;
    background: var(--industrial-accent);
    opacity: 0.12;
}

.business {
    background: #eeede8;
}

.business .section-title,
.products .section-title {
    max-width: 720px;
    text-align: left;
}

.business .section-title::before,
.products .section-title::before {
    display: block;
    margin-bottom: 18px;
    color: var(--industrial-accent);
    font-family: var(--font-en);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.2em;
}

.business .section-title::before { content: 'CORE CAPABILITIES'; }
.products .section-title::before { content: 'PRODUCT PORTFOLIO'; }

.bz-grid {
    gap: 18px;
    margin-top: 52px;
}

.bz-card {
    position: relative;
    border: 1px solid #d7d9d8 !important;
    border-radius: 3px !important;
    box-shadow: none !important;
    transition: border-color 150ms ease-out, background 150ms ease-out;
}

.bz-card::before {
    position: absolute;
    top: 18px;
    left: 18px;
    z-index: 3;
    min-width: 38px;
    padding: 7px 9px;
    background: rgba(13,27,42,0.88);
    color: var(--white);
    font-family: var(--font-en);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-align: center;
}

.bz-card:nth-child(1)::before { content: '01'; }
.bz-card:nth-child(2)::before { content: '02'; }
.bz-card:nth-child(3)::before { content: '03'; }

.bz-card:hover {
    border-color: #aeb6bb !important;
    transform: none !important;
    box-shadow: none !important;
}

.bz-img {
    height: 300px;
    filter: saturate(0.82) contrast(1.03);
}

.bz-img::after {
    background: linear-gradient(to top, rgba(5,16,28,0.22), transparent 48%);
}

.bz-info {
    padding: 34px 30px 38px;
}

.bz-info h4 {
    color: var(--primary);
    font-size: 0.72rem;
    letter-spacing: 0.16em;
}

.bz-info h5 {
    color: var(--navy);
    font-size: 1.5rem;
    font-weight: 700;
}

.bz-info p {
    color: var(--gray-600);
    font-size: 1rem;
}

.products {
    background: #fbfaf7;
}

.products .section-desc {
    max-width: 680px;
    margin-right: auto;
    margin-left: 0;
    text-align: left;
}

.prod-grid {
    gap: 26px;
}

.prod-card {
    overflow: visible;
    border: 0 !important;
    border-radius: 0 !important;
    background: transparent;
    box-shadow: none !important;
}

.prod-card:hover {
    transform: none !important;
    box-shadow: none !important;
}

.prod-img {
    height: 330px;
    border-radius: 3px;
    filter: saturate(0.88) contrast(1.02);
}

.prod-card:hover .prod-img {
    transform: none;
    filter: saturate(1) contrast(1.04);
}

.prod-info {
    padding: 24px 2px 8px;
    border-top: 3px solid var(--navy);
}

.prod-info h4 {
    margin-bottom: 12px;
    font-size: 1.45rem;
    font-weight: 700;
}

.engineering {
    background-color: var(--navy);
    background-image:
        linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
    background-size: 48px 48px;
}

.eng-item {
    border-top-color: rgba(255,255,255,0.24);
}

.eng-num,
.eng-item:hover .eng-num {
    color: var(--industrial-accent);
}

.eng-item:hover {
    border-top-color: var(--industrial-accent);
}

.esg-card {
    transition-duration: 300ms;
}

.esg-badge,
.cat-badge,
.badge-primary {
    border-radius: 3px !important;
}

.btn-esg-detail {
    background: rgba(13,27,42,0.74);
    backdrop-filter: none;
}

.cc-icon {
    border-radius: 4px !important;
    color: var(--navy);
    font-size: 0.72rem !important;
    font-weight: 700;
    letter-spacing: 0.05em;
}

.esg-card-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border: 1px solid rgba(255,255,255,0.55);
    border-radius: 3px;
    font-family: var(--font-en);
    font-size: 0.9rem;
    font-weight: 700;
}

.cert-item {
    padding-block: 58px;
}

.form-panel,
.contact-card,
.stat-card,
.info-card,
.notice-container,
.map-box-large,
.footer-map-container,
.prod-card-v2,
.prod-cta {
    border-radius: 6px !important;
}

.form-panel {
    box-shadow: 0 18px 50px rgba(13,27,42,0.07) !important;
}

.contact-card,
.stat-card,
.info-card,
.prod-card-v2 {
    border-color: #d8dcde !important;
    box-shadow: none !important;
}

.prod-card-v2:hover,
.info-card:hover,
.cn-item:hover {
    transform: translateY(-3px) !important;
    box-shadow: 0 14px 32px rgba(13,27,42,0.08) !important;
}

@media (max-width: 1024px) {
    .hero-title {
        font-size: clamp(3.7rem, 7.5vw, 5.5rem);
    }

    .hero-photo-caption {
        right: 28px;
    }

    .hero-capabilities span {
        min-width: 150px;
    }
}

@media (max-width: 768px) {
    .header {
        height: 64px !important;
    }

    .logo img {
        height: 34px;
    }

    .hero {
        min-height: 690px;
        padding: 124px 0 58px;
        align-items: flex-end;
    }

    .hero-bg {
        background-image:
            linear-gradient(0deg, rgba(5,16,28,0.94) 0%, rgba(5,16,28,0.72) 48%, rgba(5,16,28,0.16) 100%),
            url('hero.webp');
        background-position: 52% center;
    }

    .hero-bg::before {
        left: 20px;
    }

    .hero-content {
        padding-inline: 30px;
    }

    .hero-eyebrow {
        display: block;
        max-width: 290px;
        margin-bottom: 20px;
        font-size: 0.66rem;
        line-height: 1.6;
        letter-spacing: 0.13em;
    }

    .hero-eyebrow::before {
        display: block;
        margin-bottom: 12px;
    }

    .hero-eyebrow span {
        margin-right: 5px;
    }

    .hero-title {
        max-width: 520px;
        margin-bottom: 22px;
        font-size: clamp(2.7rem, 12vw, 4.1rem);
        line-height: 1.06;
        letter-spacing: -0.055em;
    }

    .hero-desc {
        max-width: 470px;
        margin-bottom: 28px;
        font-size: 0.98rem;
    }

    .hero-actions {
        flex-direction: row;
        align-items: center;
    }

    .hero-actions .btn-primary,
    .hero-actions .btn-about,
    .hero-actions .btn-secondary {
        width: auto;
        min-width: 0;
        min-height: 48px;
        padding: 12px 15px;
        font-size: 0.88rem;
    }

    .hero-actions a::after {
        margin-left: 10px;
    }

    .hero-capabilities {
        width: 100%;
        margin-top: 32px;
    }

    .hero-capabilities span {
        min-width: 0;
        padding: 14px 10px 0 0;
        font-size: 0.72rem;
    }

    .hero-capabilities b {
        display: block;
        margin: 0 0 4px;
    }

    .hero-photo-caption {
        top: 86px;
        right: 18px;
        bottom: auto;
        max-width: 170px;
        background: rgba(5,16,28,0.56);
        font-size: 0.7rem;
    }

    .pwa-section {
        padding-block: 76px;
    }

    .business .section-title,
    .products .section-title,
    .products .section-desc {
        text-align: left;
    }

    .bz-grid {
        gap: 16px;
        margin-top: 38px;
    }

    .bz-img {
        height: min(68vw, 300px);
    }

    .bz-info {
        padding: 28px 24px 32px;
    }

    .prod-img {
        height: min(72vw, 350px);
    }

    .prod-info {
        padding-top: 20px;
    }
}

@media (max-width: 420px) {
    .hero {
        min-height: 680px;
    }

    .hero-content {
        padding-inline: 24px;
    }

    .hero-title {
        font-size: 2.55rem;
    }

    .hero-capabilities span {
        font-size: 0.68rem;
    }
}