@charset "utf-8";

/* ============================================================
 * 대성테크윈 - 회사역량 및 현황 (ok2) Renewal CSS
 * - 원본: 리뉴얼/sub04_2.php 의 <style> 영역
 * - 글로벌 헤더/푸터/모바일메뉴/skip-link/scroll-progress CSS 는 제거 (head.php/tail.php 가 담당)
 * - 모든 셀렉터는 .about-page 래퍼로 격리하여 다른 페이지에 영향 없음
 * ============================================================ */

/* ============================================================
 * ★ Heading Reset (bootstrap 의 h1~h6 margin 무력화)
 * ============================================================ */
.about-page h1, .about-page .h1,
.about-page h2, .about-page .h2,
.about-page h3, .about-page .h3,
.about-page h4, .about-page .h4,
.about-page h5, .about-page .h5,
.about-page h6, .about-page .h6 {
	margin-top: 0;
	margin-bottom: 0;
}

/* ==========================================
   1. Common — Container / Utility
========================================== */
.about-page { color: var(--on-surface, #0F172A); }

/* ★ 풀폭 wrapper 트릭 */
.about-page .sub-page-header,
.about-page .hero-pin-sec,
.about-page .sticky-tab-wrap,
.about-page .content-section {
	width: 100vw;
	max-width: 100vw;
	margin-left: calc(50% - 50vw);
	margin-right: calc(50% - 50vw);
}

.about-page .container {
	max-width: var(--site-width, 1760px) !important;
	width: 100% !important;
	margin: 0 auto !important;
	padding: 0 1.25rem !important;
	box-sizing: border-box !important;
}
@media (min-width: 768px)  { .about-page .container { padding: 0 2.5rem !important; } }
@media (min-width: 1024px) { .about-page .container { padding: 0 5rem !important; } }
@media (min-width: 1440px) { .about-page .container { padding: 0 7rem !important; } }
@media (min-width: 1760px) { .about-page .container { padding: 0 5rem !important; } }

.about-page .tracking-kr-tight { letter-spacing: -0.05em; }
.about-page .focus-ring:focus-visible { outline: 2px solid var(--primary); outline-offset: 4px; border-radius: 4px; }
.about-page .sr-only {
	position: absolute; width: 1px; height: 1px; padding: 0;
	margin: -1px; overflow: hidden; clip: rect(0,0,0,0);
	white-space: nowrap; border: 0;
}
.about-page .sub-header { display: none; }

.about-page .section-eyebrow {
	display: inline-flex; align-items: center; gap: 0.5rem;
	font-weight: 800; font-size: 0.9375rem; color: var(--primary);
	margin-bottom: 0.75rem;
}
@media (min-width: 768px) { .about-page .section-eyebrow { font-size: 1.125rem; margin-bottom: 1rem; } }
.about-page .section-eyebrow::before {
	content: ''; width: 6px; height: 6px; border-radius: 50%;
	background: currentColor; display: inline-block;
}
.about-page .eyebrow-white { color: var(--on-primary); }
.about-page .eyebrow-white::before { background: var(--on-primary); }

.about-page .sub-sec-title { display: block; font-size: 2rem; font-weight: 900; color: var(--on-surface); }
.about-page .main-heading { font-size: 2.25rem; font-weight: 900; line-height: 1.3; margin-bottom: 1.5rem; color: var(--on-surface); }
.about-page .desc-text { font-size: 1.0625rem; font-weight: 500; color: var(--on-surface-alt); line-height: 1.6; margin-bottom: 3rem; }
@media (min-width: 768px) {
	.about-page .sub-sec-title { font-size: 2.5rem; }
	.about-page .main-heading  { font-size: 3rem; }
	.about-page .desc-text     { font-size: 1.125rem; }
}

/* ==========================================
   2. Sub Page Header + Breadcrumb (공통 패치)
========================================== */
.about-page .sub-page-header {
	/* 기존 패딩을 더 줄여서 상단 여백을 더욱 타이트하게 다이어트합니다 */
	padding: 1.75rem 0 1rem;
	background: var(--surface);
	position: relative; z-index: 30;
	border-bottom: 1px solid rgba(0,0,0,0.04);
}
@media (min-width: 768px)  { .about-page .sub-page-header { padding: 2.25rem 0 1.25rem; } }
@media (min-width: 1024px) { .about-page .sub-page-header { padding: 2.75rem 0 1.5rem; } }

.about-page .sub-crumb-list {
	display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem;
	list-style: none; margin: 0 0 1rem; padding: 0;
	font-size: 0.875rem; font-weight: 700;
	color: var(--on-surface-alt); letter-spacing: -0.02em;
}
.about-page .sub-crumb-item { display: inline-flex; align-items: center; }
.about-page .sub-crumb-link {
	color: var(--on-surface-alt); transition: color 0.3s ease;
	display: inline-flex; align-items: center; gap: 0.25rem; line-height: 1;
	text-decoration: none;
}
.about-page .sub-crumb-link i { font-size: 1rem; }
.about-page a.sub-crumb-link:hover { color: var(--primary); }
.about-page .sub-crumb-current { color: var(--primary); font-weight: 800; }
.about-page .sub-crumb-sep {
	color: var(--on-surface-alt); opacity: 0.5; font-size: 0.75rem;
	display: inline-flex; align-items: center;
}

.about-page .sub-page-headline {
	font-size: 2rem; font-weight: 900; line-height: 1.15;
	letter-spacing: -0.05em; color: var(--on-surface); margin: 0 0 1.5rem;
	word-break: keep-all;
}
@media (min-width: 768px)  { .about-page .sub-page-headline { font-size: 3rem;   margin-bottom: 2rem; } }
@media (min-width: 1024px) { .about-page .sub-page-headline { font-size: 3.5rem; margin-bottom: 2rem; } }
@media (min-width: 1440px) { .about-page .sub-page-headline { font-size: 4rem; } }

/* ==========================================
   3. Hero Pin Section
========================================== */
.about-page .hero-pin-sec { background: var(--surface); }
.about-page .hero-content-wrap {
	/* 모바일은 핀 애니메이션이 안 돌기 때문에 너무 큰 100vh 대신 적절한 여백 지정 */
	height: calc(60vh + 6rem);
	display: flex; flex-direction: column;
	align-items: center; justify-content: center; overflow: hidden;
}
@media (min-width: 768px) {
	.about-page .hero-content-wrap {
		/* PC는 GSAP 핀 애니메이션을 위해 100vh 꽉찬 높이 유지 */
		height: 100vh;
	}
}
.about-page .hero-wrapper {
	position: relative; width: 90%; height: 60vh;
	border-radius: var(--radius-lg); overflow: hidden;
	box-shadow: var(--shadow-float); background: var(--surface);
	transform-origin: center;
}
@media (min-width: 768px) { .about-page .hero-wrapper { height: 70vh; } }
.about-page .hero-bg      { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.about-page .hero-overlay { position: absolute; inset: 0; background: rgba(0,0,0,0.5); }
.about-page .hero-text-wrap {
	position: absolute; inset: 0; z-index: 15;
	display: flex; flex-direction: column; justify-content: center; align-items: center;
	text-align: center; color: var(--on-primary); padding: 0 1.5rem;
	opacity: 1; transform: none;
}
.about-page .hero-text-wrap::before {
	content: ''; position: absolute; inset: 0; z-index: -1;
	background: linear-gradient(to top, rgba(0,0,0,0.55) 0%, rgba(0,0,0,0.25) 50%, rgba(0,0,0,0.15) 100%);
	border-radius: inherit;
}
.about-page .hero-title-text { font-size: 2rem; font-weight: 900; line-height: 1.2; margin-bottom: 1.5rem; text-shadow: 0 4px 10px rgba(0,0,0,0.5); }
.about-page .hero-desc-text { font-size: 1rem; font-weight: 500; max-width: 56rem; line-height: 1.6; text-shadow: 0 4px 6px rgba(0,0,0,0.5); opacity: 0.9; }
@media (min-width: 768px)  { 
    .about-page .hero-title-text { font-size: 3.5rem; } 
    .about-page .hero-desc-text { font-size: 1.125rem; }
}
@media (min-width: 1024px) { .about-page .hero-title-text { font-size: 4rem; } }

.about-page .hero-text-wrap,
.about-page #hero-text {
	opacity: 1 !important;
	transform: none !important;
	visibility: visible !important;
	z-index: 15 !important;
	pointer-events: auto;
}
.about-page .hero-text-wrap > * { opacity: 1 !important; transform: none !important; }

/* ==========================================
   4. Sticky Tab Navigation
========================================== */
.about-page .sticky-tab-wrap {
	position: sticky;
	top: var(--sub-header-h, 44px);  /* 모바일 헤더 fallback */
	z-index: 90;
	background: rgba(255, 255, 255, 0.95);
	backdrop-filter: blur(8px);
	border-bottom: 1px solid #E5E7EB;
	transition: top 0.3s ease, box-shadow 0.3s ease;
}
@media (min-width: 1024px) {
	.about-page .sticky-tab-wrap { top: var(--sub-header-h, 80px); }  /* PC 헤더 fallback */
}
body.header-hidden .about-page .sticky-tab-wrap {
	top: 0 !important;
	/* box-shadow: 0 4px 20px rgba(0,0,0,0.05); 삭제 완료 */
}

.about-page .sub-tabs {
	display: flex; align-items: center; gap: 2rem; padding: 1.25rem 0;
	overflow-x: auto; white-space: nowrap;
}
.about-page .sub-tabs::-webkit-scrollbar { display: none; }
.about-page .sub-tabs button {
	font-size: 1.125rem; font-weight: 800; color: var(--on-surface-alt);
	transition: color 0.3s; position: relative; letter-spacing: -0.02em;
	border: none; background: none; cursor: pointer; font-family: inherit;
}
.about-page .sub-tabs button:hover { color: var(--on-surface); }
.about-page .sub-tabs button.active { color: var(--primary); }
.about-page .sub-tabs button.active::after {
	content: ''; position: absolute; bottom: -1.25rem; left: 0;
	width: 100%; height: 3px; background: var(--primary); border-radius: 2px;
}
@media (min-width: 768px) {
	.about-page .sub-tabs { gap: 3rem; justify-content: center; }
	.about-page .sub-tabs button { font-size: 1.25rem; }
}

/* 공통 Content Section */
.about-page .content-section {
	display: none; padding: 6rem 0;
	background: var(--surface); position: relative; z-index: 10;
	min-height: 50vh;
}
@media (min-width: 768px) { .about-page .content-section { padding: 8rem 0; } }
.about-page .content-section.active {
	display: block;
	animation: aboutFadeInTab 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
@keyframes aboutFadeInTab {
	from { opacity: 0; transform: translateY(20px); }
	to   { opacity: 1; transform: translateY(0); }
}

/* ==========================================
   5-1. 주요업체등록현황 (Partners / Clients)
========================================== */
.about-page .partner-group { margin-bottom: 4rem; }
.about-page .partner-group:last-child { margin-bottom: 0; }
.about-page .partner-group-title {
    font-size: 1.5rem; font-weight: 800; color: var(--on-surface); margin-bottom: 1.5rem;
    display: flex; align-items: center; gap: 0.5rem;
}
.about-page .partner-group-title::before { content: ''; width: 4px; height: 1.5rem; background: var(--primary); border-radius: 4px; }

.about-page .partner-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
@media(min-width:768px) { .about-page .partner-grid { grid-template-columns: repeat(4, 1fr); gap: 1.5rem; } }
@media(min-width:1024px) { .about-page .partner-grid { grid-template-columns: repeat(5, 1fr); } }

.about-page .partner-card {
    background: var(--surface); border: 1px solid #E5E7EB; border-radius: var(--radius-md); padding: 1.5rem 1rem;
    display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 0.75rem;
    box-shadow: 0 4px 12px rgba(0,0,0,0.02); transition: all 0.3s;
    font-weight: 800; font-size: 0.9375rem; color: var(--on-surface-alt); text-align: center; word-break: keep-all;
}
.about-page .partner-card img { max-width: 120px; max-height: 60px; object-fit: contain; }
.about-page .partner-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-card); color: var(--primary); border-color: var(--primary); }


/* ==========================================
   5-2. 인증현황 (Certifications) - 프리미엄 문서형 그리드
========================================== */
.about-page .cert-img-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
@media(min-width:768px) { .about-page .cert-img-grid { grid-template-columns: repeat(3, 1fr); gap: 2rem; } }
@media(min-width:1024px) { .about-page .cert-img-grid { grid-template-columns: repeat(4, 1fr); gap: 2.5rem; } }

.about-page .cert-premium-card {
    background: var(--surface); border: 1px solid #E5E7EB; border-radius: var(--radius-md);
    padding: 1.5rem; display: flex; flex-direction: column; align-items: center;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1); cursor: zoom-in; position: relative;
}
.about-page .cert-premium-card:hover {
    transform: translateY(-8px); box-shadow: var(--shadow-primary, 0 12px 36px rgba(0, 75, 141, 0.15)); border-color: var(--primary); z-index: 2;
}

.about-page .cert-img-wrap {
    width: 100%; aspect-ratio: 1 / 1.4; background: var(--surface-alt);
    border-radius: 8px; display: flex; align-items: center; justify-content: center;
    overflow: hidden; margin-bottom: 1.5rem; position: relative;
}
.about-page .cert-img-wrap img {
    width: 90%; height: 90%; object-fit: contain;
    transition: transform 0.4s ease; filter: drop-shadow(0 4px 6px rgba(0,0,0,0.05));
}
.about-page .cert-premium-card:hover .cert-img-wrap img { transform: scale(1.05); }

.about-page .cert-name {
    font-size: 1.0625rem; font-weight: 800; color: var(--on-surface);
    text-align: center; word-break: keep-all; line-height: 1.4; transition: color 0.3s;
}
.about-page .cert-premium-card:hover .cert-name { color: var(--primary); }

.about-page .cert-hover-icon {
    position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%) scale(0.8);
    width: 64px; height: 64px; border-radius: 50%;
    background: rgba(0,75,141,0.9); color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-size: 2rem; opacity: 0; transition: all 0.3s ease; box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}
.about-page .cert-premium-card:hover .cert-hover-icon { opacity: 1; transform: translate(-50%, -50%) scale(1); }


/* ==========================================
   5-3. 생산현황 (Facilities) - 매거진 벤토 그리드
========================================== */
.about-page .facility-group { margin-bottom: 6rem; }
.about-page .facility-group:last-child { margin-bottom: 0; }

.about-page .facility-title { font-size: 2rem; font-weight: 900; color: var(--on-surface); margin-bottom: 2rem; display: flex; align-items: center; gap: 0.75rem; letter-spacing: -0.02em; }
.about-page .facility-title i { color: var(--primary); font-size: 2.25rem; }

.about-page .facility-bento-grid { 
    display: grid; grid-template-columns: repeat(1, 1fr); gap: 1rem; 
}
@media(min-width:768px) { 
    .about-page .facility-bento-grid { grid-template-columns: repeat(2, 1fr); gap: 1.5rem; } 
}
@media(min-width:1024px) { 
    .about-page .facility-bento-grid { grid-template-columns: repeat(3, 1fr); gap: 1.5rem; } 
    .about-page .facility-bento-grid.panorama .facility-premium-card { grid-column: span 3; aspect-ratio: 21/9; }
}

.about-page .facility-premium-card {
    border-radius: var(--radius-lg); overflow: hidden; position: relative; cursor: zoom-in;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05); transition: all 0.4s ease;
    aspect-ratio: 4/3; 
}
.about-page .facility-premium-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-float); z-index: 2; }

.about-page .facility-premium-card img {
    width: 100%; height: 100%; object-fit: cover;
    transition: transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
.about-page .facility-premium-card:hover img { transform: scale(1.08); }

.about-page .facility-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, transparent 60%);
    opacity: 0.6; transition: opacity 0.4s ease;
}
.about-page .facility-premium-card:hover .facility-overlay { opacity: 0.9; }

.about-page .facility-info {
    position: absolute; bottom: 0; left: 0; width: 100%;
    padding: 2rem; color: #fff;
    transform: translateY(10px); opacity: 0; transition: all 0.4s ease;
}
@media(min-width:1024px) { .about-page .facility-bento-grid.panorama .facility-info { padding: 3rem; } }
.about-page .facility-premium-card:hover .facility-info { transform: translateY(0); opacity: 1; }

.about-page .facility-info h5 { font-size: 1.25rem; font-weight: 800; margin-bottom: 0.25rem; letter-spacing: -0.02em; }
@media(min-width:1024px) { .about-page .facility-bento-grid.panorama .facility-info h5 { font-size: 2rem; } }

.about-page .facility-info .zoom-hint { 
    display: inline-flex; align-items: center; gap: 0.5rem; 
    font-size: 0.9375rem; color: rgba(255,255,255,0.8); font-weight: 600; 
    margin-top: 0.5rem; padding: 0.25rem 0.75rem; border-radius: var(--radius-pill); background: rgba(255,255,255,0.1); backdrop-filter: blur(4px);
}

/* ==========================================
   5-4. 이미지 팝업 모달 (Lightbox 고도화)
   ★ 중앙정렬 — JS 에서 모달 DOM 을 body 직속으로 이동시키므로
     .about-page prefix 없이 단독 셀렉터로 정의 (ok2.css 는 ok2 페이지에서만
     로드되므로 다른 페이지에 영향 없음).
   ★ 절대좌표 + translate(-50%,-50%) 로 화면 정중앙 강제 정렬.
========================================== */
#image-modal.image-modal {
    position: fixed !important; inset: 0 !important;
    width: 100vw !important; height: 100vh !important;
    z-index: 9999;
    opacity: 0; visibility: hidden;
    transition: opacity 0.35s ease, visibility 0.35s ease;
    margin: 0 !important;
    padding: 0 !important;
}
#image-modal.image-modal.show { opacity: 1; visibility: visible; }

#image-modal .image-modal-backdrop {
    position: absolute; inset: 0;
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

#image-modal .image-modal-content {
    position: absolute;
    top: 50%; left: 50%;
    z-index: 10000;
    width: auto;
    max-width: min(90vw, 1200px);
    max-height: 85vh;
    display: flex; flex-direction: column; align-items: center;
    gap: 1rem;
    /* ★ translate(-50%,-50%) 가 화면 중앙 정렬을 담당. scale 은 등장 애니메이션 */
    transform: translate(-50%, -50%) scale(0.95);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    pointer-events: none;
    margin: 0 !important;
}
#image-modal.image-modal.show .image-modal-content {
    transform: translate(-50%, -50%) scale(1);
    pointer-events: auto;
}

#image-modal .image-modal-content img {
    width: auto !important; height: auto !important;
    max-width: min(90vw, 1200px);
    max-height: 75vh;
    object-fit: contain;
    border-radius: 8px;
    display: block;
    box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}

#image-modal .image-modal-caption {
    position: static;
    color: #fff;
    font-size: 1.125rem;
    font-weight: 700;
    text-align: center;
    letter-spacing: -0.02em;
    margin: 0;
    padding: 0 1rem;
    opacity: 1; transform: none; transition: none;
    word-break: keep-all;
    max-width: 90vw;
}

#image-modal .image-modal-close {
    position: absolute; top: 1.5rem; right: 1.5rem; z-index: 10001;
    width: 48px; height: 48px; border-radius: 50%;
    background: rgba(255,255,255,0.14);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    color: #fff; font-size: 24px;
    display: flex; align-items: center; justify-content: center;
    cursor: pointer; transition: background 0.3s, transform 0.3s, border-color 0.3s;
    border: 1px solid rgba(255,255,255,0.22);
}
#image-modal .image-modal-close:hover { background: var(--primary); border-color: transparent; transform: rotate(90deg); }
@media (min-width: 768px) {
    #image-modal .image-modal-close { width: 56px; height: 56px; font-size: 28px; top: 2rem; right: 2rem; }
}

/* ==========================================
   6. GSAP 초기 상태 (애니메이션 시작 전)
========================================== */
.about-page .gsap-fade-up,
.about-page .gsap-stagger-item {
	will-change: transform, opacity;
}

/* ==========================================
   7. 메인페이지 헤더와 동일 — at-body padding-top 무력화 가능 시 적용
========================================== */
.is-index .at-body { padding-top: 0 !important; }


/* ==========================================
   ★ 8. 모바일 패치 (≤767px)
   - 주요 제휴사 / 인증·수상 / 생산설비 좌우 여백 보강
   - 생산설비 카드 hover 효과가 모바일에서 동작 안 하는 문제 보완
   - Lightbox 모달 캡션이 화면 밖으로 나가는 문제 + close 버튼 탭 가시성
========================================== */
@media (max-width: 767px) {

	/* 컨텐츠 섹션 좌우 여백 추가 (container 기본 1.25rem → 1.5rem) */
	.about-page .content-section .container { padding: 0 1.5rem !important; }

	/* 주요 제휴사 grid - 모바일에서 약간의 호흡 */
	.about-page .partner-group { margin-bottom: 2.5rem; }
	.about-page .partner-group-title { font-size: 1.125rem; margin-bottom: 1rem; }
	.about-page .partner-grid { gap: 0.625rem; }
	.about-page .partner-card { padding: 1rem 0.625rem; gap: 0.5rem; font-size: 0.8125rem; }
	.about-page .partner-card img { max-width: 90px; max-height: 44px; }

	/* 인증·수상 - 모바일에서 카드 자체 패딩 다이어트 + 그리드 갭 축소 */
	.about-page .cert-img-grid { gap: 0.875rem; }
	.about-page .cert-premium-card { padding: 0.875rem 0.625rem; }
	.about-page .cert-name { font-size: 0.875rem; line-height: 1.35; }

	/* 생산설비 - 모바일은 호버 효과가 안 먹히니 정보를 항상 노출 */
	.about-page .facility-overlay { opacity: 0.85 !important; }
	.about-page .facility-info {
		transform: translateY(0) !important;
		opacity: 1 !important;
		padding: 1rem !important;
	}
	.about-page .facility-info h5 { font-size: 1rem; }
	.about-page .facility-info .zoom-hint {
		font-size: 0.75rem;
		padding: 0.125rem 0.5rem;
		margin-top: 0.375rem;
	}
	.about-page .facility-bento-grid.panorama .facility-premium-card { aspect-ratio: 16/10; }

	/* ================================
	   Lightbox 모달 — 모바일 폭/높이 보정
	   (중앙정렬 자체는 위 5-4 절대좌표 방식이 책임)
	   ※ JS 가 body 로 옮기므로 .about-page prefix 없이 #image-modal 으로 적용
	================================ */
	#image-modal .image-modal-content {
		max-width: calc(100vw - 1.5rem);
		max-height: calc(100vh - 6rem);
		gap: 0.75rem;
	}
	#image-modal .image-modal-content img {
		max-width: calc(100vw - 1.5rem);
		max-height: calc(100vh - 9rem);
	}
	#image-modal .image-modal-caption {
		font-size: 0.9375rem;
	}
}