/* ==========================================================================
   (주)후트웍 — 제품 상세 (product) 페이지 전용 CSS · 예시: Desi Pak®
   톤: daehan 클론. main.css 토큰/공유 클래스(.dl-sec·.dl-footer) 재사용.
   콘텐츠 구조: 와이어프레임 product.html (스토리보드 §8 · 6섹션) 기준.
   radius 0(직각) · 좌측정렬/비대칭 우선 · 대형 영문 타이틀 + 국문 보조 · 배경 교차.
   ========================================================================== */

/* 공유 버튼 — 솔리드(액센트) / 고스트(아웃라인) */
.pd-btn {
	display: inline-flex;
	align-items: center;
	gap: 10px;
	height: 56px;
	padding: 0 30px;
	font-family: var(--font-display);
	font-size: 15.5px;
	font-weight: 500;
	letter-spacing: -0.01em;
	transition: background .35s ease, color .35s ease, border-color .35s ease;
}
.pd-btn svg { width: 18px; height: 18px; }
.pd-btn--solid { background: var(--accent); color: #fff; }
.pd-btn--solid:hover { background: var(--navy); }
.pd-btn--ghost { border: 1px solid var(--line); color: var(--ink); }
.pd-btn--ghost:hover { border-color: var(--accent); color: var(--accent); }
.pd-btn__tag {
	font-family: var(--font-body);
	font-size: 11.5px;
	font-weight: 400;
	color: var(--ink-soft);
	padding: 3px 8px;
	background: #f1f4f6;
}

/* ==========================================================================
   1. 제품 상단 — 크럼 + 갤러리(좌) / 헤더 정보(우)  (GNB 클리어)
   ========================================================================== */
.pd-top {
	padding: 150px 0 120px;
}
.pd-crumb {
	display: flex;
	align-items: center;
	gap: 9px;
	font-size: 13.5px;
	color: var(--ink-soft);
	margin-bottom: 40px;
}
.pd-crumb a { color: var(--ink-soft); transition: color .25s; }
.pd-crumb a:hover { color: var(--accent); }
.pd-crumb svg { width: 13px; height: 13px; opacity: 0.5; }
.pd-crumb span { color: var(--ink); font-weight: 500; }

.pd-top__grid {
	display: grid;
	grid-template-columns: 0.92fr 1.08fr;
	gap: 64px;
	align-items: start;
}

/* 갤러리 */
.pd-gallery__main {
	margin: 0;
	aspect-ratio: 1 / 1;
	overflow: hidden;
	background: #f4f7f9;
}
.pd-gallery__main img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
}
.pd-gallery__thumbs {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 12px;
	margin-top: 12px;
}
.pd-gallery__thumb {
	display: block;
	width: 100%;
	aspect-ratio: 1 / 1;
	overflow: hidden;
	background: #f4f7f9;
	border: 1px solid transparent;
	padding: 0;
	transition: border-color .3s;
}
.pd-gallery__thumb img { width: 100%; height: 100%; object-fit: cover; }
.pd-gallery__thumb.is-active { border-color: var(--accent); }
.pd-gallery__thumb:hover { border-color: var(--accent); }
.pd-gallery__note {
	margin: 16px 0 0;
	font-size: 13px;
	font-weight: 300;
	line-height: 1.6;
	color: var(--ink-soft);
}

/* 헤더 정보 */
.pd-info__eyebrow {
	font-family: var(--font-display);
	font-size: 14px;
	font-weight: 500;
	letter-spacing: 0.06em;
	color: var(--accent);
	margin: 4px 0 0;
}
.pd-info__name {
	font-size: 52px;
	font-weight: 600;
	line-height: 1.05;
	letter-spacing: -0.01em;
	color: var(--ink);
	margin: 16px 0 0;
}
.pd-info__sub {
	margin: 14px 0 0;
	font-size: 19px;
	font-weight: 500;
	letter-spacing: -0.02em;
	color: var(--ink-soft);
}
.pd-info__summary {
	margin: 26px 0 0;
	max-width: 560px;
	font-size: 17px;
	font-weight: 300;
	line-height: 1.85;
	color: var(--ink-soft);
	padding-top: 26px;
	border-top: 1px solid var(--line);
}
/* 규격 칩 */
.pd-info__chips {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	margin: 28px 0 0;
}
.pd-info__chips li {
	font-family: var(--font-display);
	font-size: 12.5px;
	font-weight: 600;
	letter-spacing: 0.04em;
	color: var(--accent);
	padding: 8px 14px;
	border: 1px solid rgba(0, 130, 186, 0.35);
}
/* 액션 버튼 */
.pd-info__actions {
	display: flex;
	flex-wrap: wrap;
	gap: 12px;
	margin: 36px 0 0;
}

/* ==========================================================================
   2. 원료·소재 / 주요 특징·기능 — 비대칭 2단
   ========================================================================== */
.pd-feature__head { margin-bottom: 60px; }
.pd-feature__head .dl-sec__title { margin-top: 12px; }
.pd-feature__ko {
	margin: 14px 0 0;
	font-size: 19px;
	font-weight: 500;
	letter-spacing: -0.02em;
	color: var(--ink-soft);
}
.pd-feature__grid {
	display: grid;
	grid-template-columns: 0.82fr 1.18fr;
	gap: 40px;
	align-items: start;
}
/* 좌: 원료·소재 카드 */
.pd-material {
	background: #fff;
	padding: 38px 34px;
	border-top: 3px solid var(--accent);
}
.pd-material__title {
	font-size: 20px;
	font-weight: 700;
	letter-spacing: -0.02em;
	color: var(--ink);
	margin: 0 0 24px;
}
.pd-material__list { margin: 0; }
.pd-material__list > div {
	padding: 20px 0;
	border-top: 1px solid var(--line);
}
.pd-material__list > div:first-child { border-top: none; padding-top: 0; }
.pd-material__list dt {
	font-family: var(--font-display);
	font-size: 12px;
	font-weight: 600;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--accent);
	margin-bottom: 8px;
}
.pd-material__list dd {
	margin: 0;
	font-size: 16.5px;
	font-weight: 500;
	letter-spacing: -0.01em;
	color: var(--ink);
}
/* 우: 주요 특징·기능 리스트 */
.pd-feature__list { display: grid; gap: 4px; }
.pd-feature__list li {
	display: flex;
	gap: 22px;
	align-items: flex-start;
	padding: 24px 0;
	border-bottom: 1px solid #e2e8ed;
}
.pd-feature__list li:last-child { border-bottom: none; }
.pd-feature__no {
	flex-shrink: 0;
	font-size: 16px;
	font-weight: 600;
	color: var(--accent);
	line-height: 1.6;
}
.pd-feature__list p {
	margin: 0;
	font-size: 16.5px;
	font-weight: 300;
	line-height: 1.7;
	color: var(--ink-soft);
}
.pd-feature__list b { font-weight: 600; color: var(--ink); }

/* ==========================================================================
   3. 포장·중량 스펙 — 스펙 테이블
   ========================================================================== */
.pd-spec__head { margin-bottom: 50px; }
.pd-spec__head .dl-sec__title { margin-top: 12px; }
.pd-spec__ko {
	margin: 14px 0 0;
	font-size: 19px;
	font-weight: 500;
	letter-spacing: -0.02em;
	color: var(--ink-soft);
}
.pd-spec__table {
	margin: 0;
	border-top: 2px solid var(--ink);
}
.pd-spec__row {
	display: grid;
	grid-template-columns: 220px 1fr;
	gap: 30px;
	padding: 26px 8px;
	border-bottom: 1px solid var(--line);
}
.pd-spec__row dt {
	font-family: var(--font-display);
	font-size: 15px;
	font-weight: 600;
	letter-spacing: -0.01em;
	color: var(--ink);
}
.pd-spec__row dd {
	margin: 0;
	font-size: 16px;
	font-weight: 300;
	line-height: 1.7;
	color: var(--ink-soft);
}
.pd-spec__tag {
	display: inline-block;
	margin-left: 8px;
	font-family: var(--font-display);
	font-size: 11.5px;
	font-weight: 500;
	letter-spacing: 0.02em;
	color: var(--accent);
	padding: 3px 9px;
	background: rgba(0, 130, 186, 0.08);
	vertical-align: middle;
}
.pd-spec__note {
	margin: 26px 0 0;
	font-size: 13.5px;
	font-weight: 300;
	line-height: 1.6;
	color: var(--ink-soft);
}
.pd-spec__note::before {
	content: '';
	display: inline-block;
	width: 20px;
	height: 1px;
	background: var(--accent);
	vertical-align: middle;
	margin-right: 11px;
}

/* ==========================================================================
   4. 적용 산업 — 산업분야 역링크 카드 3열
   ========================================================================== */
.pd-apps__head { margin-bottom: 54px; }
.pd-apps__head .dl-sec__title { margin-top: 12px; }
.pd-apps__ko {
	margin: 14px 0 0;
	font-size: 19px;
	font-weight: 500;
	letter-spacing: -0.02em;
	color: var(--ink-soft);
}
.pd-apps__lead {
	margin: 18px 0 0;
	max-width: 640px;
	font-size: 16.5px;
	font-weight: 300;
	line-height: 1.8;
	color: var(--ink-soft);
}
.pd-apps__list {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 24px;
}
.pd-apps__card {
	position: relative;
	display: flex;
	flex-direction: column;
	height: 100%;
	background: #fff;
	padding: 38px 32px 34px;
	color: inherit;
	border: 1px solid var(--line);
	transition: border-color .35s ease;
}
.pd-apps__card:hover { border-color: var(--accent); }
.pd-apps__no {
	font-size: 14px;
	font-weight: 600;
	letter-spacing: 0.06em;
	color: var(--accent);
}
.pd-apps__name {
	margin: 14px 0 0;
	font-size: 22px;
	font-weight: 700;
	letter-spacing: -0.02em;
	color: var(--ink);
}
.pd-apps__desc {
	margin: 14px 0 0;
	font-size: 14.5px;
	font-weight: 300;
	line-height: 1.7;
	color: var(--ink-soft);
}
.pd-apps__arrow {
	width: 22px;
	height: 22px;
	margin-top: 28px;
	color: var(--accent);
	transition: transform .35s ease;
}
.pd-apps__card:hover .pd-apps__arrow { transform: translateX(6px); }

/* ==========================================================================
   5. 카탈로그·영상 + 문의 — 다크, 2단
   ========================================================================== */
.pd-resource__grid {
	display: grid;
	grid-template-columns: 1.15fr 0.85fr;
	gap: 60px;
	align-items: center;
}
.pd-resource__title {
	font-family: var(--font-display);
	font-size: 30px;
	font-weight: 600;
	letter-spacing: -0.01em;
	color: #fff;
	line-height: 1.25;
	margin: 14px 0 30px;
}
.pd-resource__btns { display: flex; flex-wrap: wrap; gap: 12px; }
.pd-res-btn {
	display: inline-flex;
	align-items: center;
	gap: 11px;
	height: 56px;
	padding: 0 24px;
	font-family: var(--font-display);
	font-size: 15px;
	font-weight: 500;
	color: #fff;
	border: 1px solid rgba(255, 255, 255, 0.28);
	transition: border-color .35s, background .35s;
}
.pd-res-btn:hover { border-color: var(--accent); background: rgba(0, 130, 186, 0.12); }
.pd-res-btn svg { width: 20px; height: 20px; }
.pd-res-btn__tag {
	font-family: var(--font-body);
	font-size: 11px;
	font-weight: 400;
	color: rgba(255, 255, 255, 0.6);
	padding: 3px 8px;
	border: 1px solid rgba(255, 255, 255, 0.2);
}
.pd-resource__note {
	margin: 24px 0 0;
	font-size: 13.5px;
	font-weight: 300;
	line-height: 1.7;
	color: rgba(255, 255, 255, 0.55);
}
/* 우: 문의 유도 */
.pd-resource__right {
	padding-left: 56px;
	border-left: 1px solid rgba(255, 255, 255, 0.14);
}
.pd-resource__ask {
	font-family: var(--font-display);
	font-size: 24px;
	font-weight: 500;
	line-height: 1.4;
	letter-spacing: -0.01em;
	color: #fff;
	margin: 0 0 24px;
}

/* ==========================================================================
   반응형 — 1200 / 768
   ========================================================================== */
@media (max-width: 1200px) {
	.pd-top { padding: 130px 0 90px; }
	.pd-top__grid { grid-template-columns: 1fr; gap: 44px; }
	.pd-gallery { max-width: 560px; }
	.pd-gallery__thumbs { grid-template-columns: repeat(4, 1fr); }
	.pd-info__name { font-size: 46px; }
	.pd-feature__grid { grid-template-columns: 1fr; gap: 30px; }
	.pd-apps__list { grid-template-columns: 1fr; gap: 18px; }
	.pd-apps__card { flex-direction: row; align-items: center; flex-wrap: wrap; gap: 6px 16px; padding: 28px 30px; }
	.pd-apps__no { width: 100%; }
	.pd-apps__name { margin: 0; flex-shrink: 0; }
	.pd-apps__desc { margin: 0; flex: 1; min-width: 200px; }
	.pd-apps__arrow { margin: 0; }
	.pd-resource__grid { grid-template-columns: 1fr; gap: 40px; }
	.pd-resource__right { padding-left: 0; border-left: none; border-top: 1px solid rgba(255,255,255,0.14); padding-top: 36px; }
}

@media (max-width: 768px) {
	.pd-top { padding: 110px 0 70px; }
	.pd-crumb { margin-bottom: 28px; font-size: 12.5px; }
	.pd-info__name { font-size: 38px; }
	.pd-info__sub { font-size: 17px; }
	.pd-info__summary { font-size: 15.5px; }
	.pd-info__actions { gap: 10px; }
	.pd-btn { height: 52px; padding: 0 24px; font-size: 14.5px; width: 100%; justify-content: center; }
	.pd-feature__head, .pd-spec__head, .pd-apps__head { margin-bottom: 38px; }
	.pd-material { padding: 30px 26px; }
	.pd-feature__list p { font-size: 15.5px; }
	/* 스펙 테이블 — dt/dd 세로 스택 */
	.pd-spec__row { grid-template-columns: 1fr; gap: 8px; padding: 20px 4px; }
	.pd-spec__row dt { font-size: 13px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--accent); }
	.pd-apps__card { flex-direction: column; align-items: flex-start; }
	.pd-apps__desc { min-width: 0; }
	.pd-resource__title { font-size: 26px; }
	.pd-res-btn { width: 100%; justify-content: center; }
	.pd-resource__ask { font-size: 21px; }
}