/* =========================================================
   SOLO MEDIA — trang chi tiết Dự án (single solo_project)
   Chỉ enqueue trên is_singular('solo_project') — xem solo_media_project_assets().
   Prefix .prj-* để không đụng các hệ class đang có (solo-*, art-*, ads-*, smx-*).
   Bám mockup solo_project_detail_uxui_mockup.html, cùng design system trang bài viết.
   ========================================================= */

.solo-project,
.prj-progress,
.prj-lightbox {
	--prj-max: 1180px;
	--prj-gold: var(--wp--preset--color--gold, #fdb813);
	--prj-bg: var(--wp--preset--color--ink-900, #0f0f0f);
	--prj-surface: #141414;
	--prj-surface-2: #1b1b1b;
	--prj-line: rgba(255, 255, 255, .09);
	--prj-line-strong: rgba(255, 255, 255, .16);
	--prj-gold-line: rgba(253, 184, 19, .3);
	--prj-text: #f5f5f5;
	--prj-muted: #b6b6b6;
	--prj-muted-2: #8a8a8a;
	--prj-radius: 16px;
	--prj-radius-lg: 22px;
	--prj-header-h: 72px;
}

.prj-container {
	width: min(var(--prj-max), 100% - 40px);
	margin-inline: auto;
}

/* Cuộn mượt khi bấm mục lục — file chỉ nạp trên trang dự án. */
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
	html { scroll-behavior: auto; }
}

/* ---------- Thanh tiến độ đọc ---------- */
.prj-progress {
	position: fixed;
	top: var(--prj-progress-top, var(--prj-header-h));
	left: 0;
	right: 0;
	height: 3px;
	background: transparent;
	z-index: 880;
	pointer-events: none;
}
.prj-progress__bar {
	display: block;
	width: 0;
	height: 100%;
	background: var(--prj-gold);
	transition: width .1s linear;
}
@media (prefers-reduced-motion: reduce) {
	.prj-progress__bar { transition: none; }
}

/* ---------- Nút & link chung ---------- */
.prj-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: .5rem;
	padding: .82rem 1.35rem;
	border-radius: 10px;
	background: var(--prj-gold);
	color: #121212;
	font-size: .93rem;
	font-weight: 800;
	text-decoration: none;
	border: 1px solid var(--prj-gold);
	white-space: nowrap;
	transition: background .18s ease, color .18s ease, transform .18s ease;
}
.prj-btn:hover { background: #ffcb3a; color: #121212; transform: translateY(-1px); }
.prj-btn--outline { background: transparent; color: var(--prj-gold); }
.prj-btn--outline:hover { background: rgba(253, 184, 19, .12); color: var(--prj-gold); }
.prj-btn--sm { padding: .6rem 1rem; font-size: .85rem; }
.prj-textlink {
	color: var(--prj-gold);
	font-weight: 800;
	font-size: .85rem;
	text-decoration: none;
	display: inline-flex;
	gap: .35rem;
	align-items: center;
}
.prj-textlink:hover { color: #fff; }
.prj-btn:focus-visible,
.prj-textlink:focus-visible,
.prj-chip:focus-visible,
.prj-toc__link:focus-visible,
.prj-svccard:focus-visible,
.prj-artcard:focus-visible,
.prj-ev__open:focus-visible,
.prj-ev__play:focus-visible {
	outline: 2px solid var(--prj-gold);
	outline-offset: 3px;
}
@media (prefers-reduced-motion: reduce) {
	.prj-btn { transition: none; }
	.prj-btn:hover { transform: none; }
}

/* =========================================================
   HERO
   ========================================================= */
.prj-hero {
	background: var(--prj-bg);
	padding: 3.4rem 0 2.9rem;
	border-bottom: 1px solid var(--prj-line);
}
.prj-crumb {
	display: flex;
	flex-wrap: wrap;
	gap: .45rem;
	align-items: center;
	color: var(--prj-muted-2);
	font-size: .82rem;
	margin-bottom: 1.7rem;
}
.prj-crumb a { color: var(--prj-muted-2); text-decoration: none; }
.prj-crumb a:hover { color: var(--prj-gold); }
.prj-crumb__current { color: var(--prj-text); }

.prj-hero__grid {
	display: grid;
	grid-template-columns: minmax(0, 1.03fr) minmax(360px, .97fr);
	gap: 3.4rem;
	align-items: center;
}
.prj-hero__grid--noimg { grid-template-columns: minmax(0, 1fr); }

.prj-eyebrow {
	display: inline-flex;
	align-items: center;
	gap: .6rem;
	color: var(--prj-gold);
	font-weight: 800;
	font-size: .74rem;
	letter-spacing: .12em;
	text-transform: uppercase;
	margin: 0 0 1.1rem;
}
.prj-eyebrow::before {
	content: "";
	width: 24px;
	height: 2px;
	background: var(--prj-gold);
}
.prj-title {
	font-size: clamp(2.5rem, 5.1vw, 4.35rem);
	line-height: 1.04;
	letter-spacing: -.045em;
	font-weight: 800;
	margin: 0 0 1.2rem;
	overflow-wrap: break-word;
}
.prj-dek {
	font-size: 1.2rem;
	line-height: 1.55;
	color: #c7c7c7;
	max-width: 42em;
	margin: 0 0 1.4rem;
}

.prj-chips { display: flex; flex-wrap: wrap; gap: .5rem; }
.prj-chip {
	padding: .42rem .7rem;
	border-radius: 999px;
	background: #262626;
	border: 1px solid #343434;
	color: #e0e0e0;
	font-size: .78rem;
	font-weight: 750;
	text-decoration: none;
}
.prj-chip:hover { border-color: var(--prj-gold-line); color: #fff; }

.prj-hero__actions {
	display: flex;
	gap: .75rem;
	margin-top: 1.6rem;
	flex-wrap: wrap;
}

.prj-hero__visual {
	position: relative;
	margin: 0;
	border-radius: 26px;
	overflow: hidden;
	border: 1px solid var(--prj-line-strong);
	background: var(--prj-surface);
	aspect-ratio: 16 / 11;
	box-shadow: 0 34px 95px rgba(0, 0, 0, .38);
}
.prj-hero__img,
.prj-hero__visual img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
}
.prj-hero__visual--placeholder {
	background: linear-gradient(145deg, #151515, #381945 52%, #8b1979);
	display: grid;
	place-items: center;
}
.prj-hero__visual--placeholder::before {
	content: "";
	position: absolute;
	width: 220px;
	height: 220px;
	border-radius: 50%;
	background: var(--prj-gold);
	right: -70px;
	top: -85px;
	opacity: .9;
}
.prj-hero__initial {
	font-size: 5.5rem;
	font-weight: 900;
	color: rgba(255, 255, 255, .85);
	letter-spacing: .04em;
}
.prj-hero__pill {
	position: absolute;
	left: 1.15rem;
	bottom: 1.05rem;
	background: rgba(8, 8, 8, .8);
	backdrop-filter: blur(6px);
	padding: .45rem .85rem;
	border-radius: 999px;
	color: #fff;
	font-size: .74rem;
	font-weight: 750;
	max-width: calc(100% - 2.3rem);
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
}

/* ---------- Project facts ---------- */
/* Grid kẻ ô bằng gap 1px trên nền line: ô trống bị loại từ PHP nên số cột
   tự co theo dữ liệu còn lại, không vỡ khi thiếu field. */
.prj-facts {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
	gap: 1px;
	background: #292929;
	border: 1px solid #292929;
	border-radius: 18px;
	overflow: hidden;
	margin: 2.6rem 0 0;
}
.prj-fact {
	background: #111;
	padding: 1.3rem 1.5rem;
	margin: 0;
}
.prj-fact dt {
	color: #777;
	text-transform: uppercase;
	letter-spacing: .1em;
	font-size: .66rem;
	font-weight: 800;
	margin-bottom: .3rem;
}
.prj-fact dd { margin: 0; font-size: 1rem; font-weight: 700; color: var(--prj-text); }
.prj-fact dd a { color: var(--prj-gold); text-decoration: none; }
.prj-fact dd a:hover { text-decoration: underline; text-underline-offset: 3px; }

/* =========================================================
   BỐ CỤC NỘI DUNG
   ========================================================= */
.prj-main { background: var(--prj-bg); }
.prj-layout {
	display: grid;
	grid-template-columns: minmax(0, 1fr) 320px;
	gap: 3.8rem;
	align-items: start;
	padding: 3.2rem 0 4.5rem;
}
.prj-layout--single {
	grid-template-columns: minmax(0, 790px);
	justify-content: center;
}
.prj-body { min-width: 0; }

/* ---------- Section ---------- */
.prj-section {
	margin: 0 0 4.4rem;
	scroll-margin-top: calc(var(--prj-header-h) + 34px);
}
.prj-section:last-child { margin-bottom: 0; }
.prj-kicker {
	color: var(--prj-gold);
	font-size: .7rem;
	letter-spacing: .12em;
	text-transform: uppercase;
	font-weight: 800;
	margin: 0 0 .5rem;
}
.prj-h2 {
	font-size: clamp(1.75rem, 2.9vw, 2.4rem);
	line-height: 1.15;
	letter-spacing: -.03em;
	color: #fff;
	margin: 0 0 1.2rem;
}
.prj-intro {
	font-size: 1.06rem;
	color: #d0d0d0;
	line-height: 1.7;
	margin: 0 0 1.5rem;
	max-width: 46em;
}

/* ---------- Prose (đoạn dẫn tổng quan, nội dung legacy, khung soạn thảo) ---------- */
.prj-prose { font-size: 1.0625rem; line-height: 1.78; color: #d2d2d2; }
.prj-prose > *:first-child { margin-top: 0; }
.prj-prose > *:last-child { margin-bottom: 0; }
.prj-prose p { margin: 0 0 1.35rem; }
.prj-lead { font-size: 1.18rem; line-height: 1.65; color: #ececec; }
.prj-prose h2 {
	font-size: clamp(1.4rem, 2.2vw, 1.75rem);
	line-height: 1.25;
	letter-spacing: -.02em;
	color: #fff;
	margin: 2.6rem 0 .9rem;
	scroll-margin-top: calc(var(--prj-header-h) + 24px);
}
.prj-prose h3 {
	font-size: clamp(1.15rem, 1.9vw, 1.4rem);
	line-height: 1.3;
	color: #fff;
	margin: 2rem 0 .7rem;
	scroll-margin-top: calc(var(--prj-header-h) + 24px);
}
.prj-prose h4 { font-size: 1.08rem; color: #fff; margin: 1.7rem 0 .6rem; }
.prj-prose ul,
.prj-prose ol { padding-left: 1.25rem; margin: 0 0 1.35rem; }
.prj-prose li { margin: .5rem 0; }
.prj-prose li::marker { color: var(--prj-gold); }
.prj-prose a { color: var(--prj-gold); text-decoration: underline; text-underline-offset: 3px; }
.prj-prose a:hover { color: #fff; }
.prj-prose strong, .prj-prose b { color: #fff; }
.prj-prose img {
	max-width: 100%;
	height: auto;
	border-radius: 12px;
	display: block;
}
.prj-prose figure { margin: 1.8rem 0; }
.prj-prose figcaption {
	color: var(--prj-muted-2);
	font-size: .8rem;
	margin-top: .6rem;
	text-align: center;
}
.prj-prose blockquote {
	border-left: 3px solid var(--prj-gold);
	padding: .3rem 0 .3rem 1.3rem;
	margin: 2rem 0;
	color: #efefef;
	font-size: 1.15rem;
	font-weight: 600;
	line-height: 1.5;
}
.prj-prose blockquote p:last-child { margin-bottom: 0; }
.prj-prose table {
	width: 100%;
	border-collapse: collapse;
	font-size: .95rem;
	margin: 0 0 1.5rem;
}
.prj-prose th,
.prj-prose td {
	border: 1px solid var(--prj-line);
	padding: .7rem .85rem;
	text-align: left;
	vertical-align: top;
}
.prj-prose th { background: var(--prj-surface); color: #fff; }
.prj-prose > table { display: block; overflow-x: auto; }
.prj-prose iframe,
.prj-prose video { max-width: 100%; }

/* ---------- Tổng quan: hộp vai trò ---------- */
.prj-context {
	display: grid;
	grid-template-columns: .85fr 1.15fr;
	border: 1px solid #303030;
	border-radius: 20px;
	overflow: hidden;
	background: #121212;
	margin-top: 1.9rem;
}
.prj-context--noimg { grid-template-columns: 1fr; }
.prj-context__art {
	position: relative;
	min-height: 250px;
	background: linear-gradient(145deg, #20131f, #5a1a63);
}
.prj-context__img {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
}
.prj-context__copy { padding: 1.8rem; }
.prj-context__copy h3 { font-size: 1.35rem; margin: 0 0 .7rem; color: #fff; }
.prj-context__copy p { font-size: .95rem; color: #aaa; margin: 0; line-height: 1.7; }

/* ---------- Bài toán: card thách thức ---------- */
.prj-cardgrid {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 1rem;
	margin-top: 1.6rem;
}
.prj-infocard {
	padding: 1.5rem;
	border: 1px solid #2c2c2c;
	border-radius: 17px;
	background: linear-gradient(145deg, #151515, #111);
}
.prj-infocard__num {
	color: var(--prj-gold);
	font-size: .74rem;
	font-weight: 900;
	letter-spacing: .1em;
	margin: 0 0 1.1rem;
}
.prj-infocard h3 { font-size: 1.22rem; line-height: 1.3; margin: 0 0 .55rem; color: #fff; }
.prj-infocard p { font-size: .89rem; color: #a9a9a9; margin: 0; line-height: 1.65; }

/* ---------- Mục tiêu ---------- */
.prj-objgrid {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: .9rem;
	margin-top: 1.6rem;
}
.prj-objective {
	border: 1px solid #333000;
	background: linear-gradient(160deg, #1b1809, #121212 62%);
	border-radius: 17px;
	padding: 1.4rem;
}
.prj-objective__icon {
	width: 40px;
	height: 40px;
	border-radius: 12px;
	background: var(--prj-gold);
	color: #111;
	display: grid;
	place-items: center;
	font-weight: 900;
	margin-bottom: 1.1rem;
}
.prj-objective h3 { font-size: 1.1rem; margin: 0 0 .5rem; color: #fff; }
.prj-objective p { font-size: .84rem; color: #aaa; margin: 0; line-height: 1.6; }

/* ---------- Chiến lược: các bước ---------- */
.prj-flow {
	margin-top: 1.8rem;
	border: 1px solid #303030;
	border-radius: 20px;
	background: #111;
	padding: .7rem 1.7rem;
}
.prj-flow__row {
	display: grid;
	grid-template-columns: 74px 1fr;
	gap: 1.1rem;
	padding: 1.45rem 0;
	border-bottom: 1px solid #292929;
}
.prj-flow__row:last-child { border-bottom: 0; }
.prj-flow__num {
	font-size: 2.1rem;
	line-height: 1;
	color: var(--prj-gold);
	font-weight: 900;
}
.prj-flow__body { min-width: 0; }
.prj-flow__body h3 { font-size: 1.28rem; margin: 0 0 .45rem; color: #fff; }
.prj-flow__body p { font-size: .9rem; color: #aaa; margin: 0; line-height: 1.65; }
.prj-flow__tags { display: flex; flex-wrap: wrap; gap: .45rem; margin-top: .75rem; }
.prj-flow__tags span {
	font-size: .72rem;
	color: #d6d6d6;
	background: #242424;
	border-radius: 999px;
	padding: .3rem .55rem;
}

/* ---------- Hạng mục triển khai ---------- */
.prj-svcgrid {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: .95rem;
	margin-top: 1.7rem;
}
.prj-svccard {
	display: flex;
	flex-direction: column;
	padding: 1.45rem;
	border: 1px solid #333;
	border-radius: 18px;
	background: var(--prj-surface);
	text-decoration: none;
	color: inherit;
	transition: transform .18s ease, border-color .18s ease;
}
.prj-svccard:hover { transform: translateY(-4px); border-color: #5b4d00; }
.prj-svcicon {
	width: 46px;
	height: 46px;
	border-radius: 13px;
	background: var(--prj-gold);
	color: #111;
	display: grid;
	place-items: center;
	font-weight: 900;
	font-size: 1.1rem;
	margin-bottom: 1.15rem;
}
.prj-svccard h3 { font-size: 1.12rem; line-height: 1.3; margin: 0 0 .5rem; color: #fff; }
.prj-svccard p { font-size: .84rem; color: #999; margin: 0 0 1rem; line-height: 1.6; }
.prj-svccard .prj-textlink { margin-top: auto; }
@media (prefers-reduced-motion: reduce) {
	.prj-svccard { transition: none; }
	.prj-svccard:hover { transform: none; }
}

/* ---------- Hình ảnh & bằng chứng ---------- */
.prj-evgroup { margin-top: 1.9rem; }
.prj-evgroup:first-of-type { margin-top: 1.6rem; }
.prj-evgroup__label {
	font-size: .74rem;
	letter-spacing: .1em;
	text-transform: uppercase;
	font-weight: 800;
	color: var(--prj-muted);
	margin: 0 0 .8rem;
}
.prj-evgrid {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 1rem;
}
.prj-ev {
	margin: 0;
	border: 1px solid #2d2d2d;
	border-radius: 19px;
	overflow: hidden;
	background: #121212;
	display: flex;
	flex-direction: column;
}
.prj-ev--full { grid-column: 1 / -1; }
.prj-ev__open {
	display: block;
	width: 100%;
	padding: 0;
	border: 0;
	background: var(--prj-surface-2);
	cursor: zoom-in;
	aspect-ratio: 16 / 10;
	overflow: hidden;
}
.prj-ev--full .prj-ev__open { aspect-ratio: 21 / 10; }
.prj-ev--portrait .prj-ev__open { aspect-ratio: 4 / 5; }
.prj-ev__img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
}
/* Ảnh dọc hiển thị trọn trong khung, không cắt. */
.prj-ev--portrait .prj-ev__img { object-fit: contain; background: #101010; }
.prj-ev__cap {
	padding: .95rem 1.1rem;
	display: flex;
	flex-direction: column;
	gap: .15rem;
}
.prj-ev__cap strong { font-size: .93rem; color: #fff; }
.prj-ev__cap span { font-size: .78rem; color: var(--prj-muted-2); line-height: 1.5; }

/* Video: lite embed — chỉ tải iframe khi bấm phát. */
.prj-ev__frame {
	position: relative;
	aspect-ratio: 16 / 9;
	background: #191919;
	overflow: hidden;
}
.prj-ev__frame .prj-ev__img { position: absolute; inset: 0; }
.prj-ev__frame iframe {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
	border: 0;
}
.prj-ev__play {
	position: absolute;
	inset: 0;
	margin: auto;
	width: 62px;
	height: 62px;
	border-radius: 50%;
	border: 0;
	background: var(--prj-gold);
	color: #111;
	font-size: 1.3rem;
	display: grid;
	place-items: center;
	cursor: pointer;
	box-shadow: 0 10px 34px rgba(0, 0, 0, .5);
	transition: transform .18s ease;
}
.prj-ev__play:hover { transform: scale(1.06); }
.prj-ev__play span { transform: translateX(2px); }
@media (prefers-reduced-motion: reduce) {
	.prj-ev__play { transition: none; }
	.prj-ev__play:hover { transform: none; }
}

/* ---------- Kết quả ---------- */
.prj-results {
	margin-top: 1.7rem;
	border: 1px solid #393100;
	border-radius: 22px;
	background: linear-gradient(135deg, #1e1905, #111 67%);
	padding: 1.8rem;
}
.prj-resultgrid {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: .9rem;
}
.prj-result {
	padding: 1.25rem;
	border-radius: 15px;
	background: rgba(255, 255, 255, .035);
	border: 1px solid rgba(255, 255, 255, .07);
}
.prj-result__value {
	display: block;
	font-size: clamp(1.9rem, 3.6vw, 2.5rem);
	line-height: 1.05;
	color: var(--prj-gold);
	font-weight: 900;
	margin-bottom: .45rem;
}
.prj-result strong { font-size: 1.05rem; display: block; margin-bottom: .35rem; color: #fff; line-height: 1.35; }
.prj-result p { font-size: .84rem; color: #aaa; margin: 0; line-height: 1.6; }

/* ---------- Trích dẫn khách hàng ---------- */
.prj-quote {
	margin-top: 1.6rem;
	padding: 1.7rem 1.8rem;
	border-radius: 18px;
	border: 1px solid #303030;
	background: #121212;
}
.prj-quote blockquote {
	font-size: 1.22rem;
	line-height: 1.5;
	margin: 0 0 1.25rem;
	color: #eee;
	font-weight: 600;
}
.prj-quote__meta { display: flex; align-items: center; gap: .8rem; }
.prj-quote__avatar,
.prj-quote__initial {
	width: 42px;
	height: 42px;
	border-radius: 50%;
	flex: none;
	object-fit: cover;
}
.prj-quote__initial {
	background: #292929;
	display: grid;
	place-items: center;
	color: var(--prj-gold);
	font-weight: 900;
}
.prj-quote__meta strong { font-size: .92rem; color: #fff; display: block; }
.prj-quote__meta span { display: block; color: #888; font-size: .78rem; }

/* ---------- Mục lục mobile ---------- */
.prj-toc-m {
	display: none;
	margin: 0 0 2.4rem;
	border: 1px solid var(--prj-line-strong);
	border-radius: 14px;
	overflow: hidden;
	background: var(--prj-surface);
}
.prj-toc-m summary {
	list-style: none;
	padding: .95rem 1.1rem;
	cursor: pointer;
	font-weight: 700;
	color: #fff;
	display: flex;
	justify-content: space-between;
	align-items: center;
	gap: 1rem;
	min-height: 44px;
}
.prj-toc-m summary::-webkit-details-marker { display: none; }
.prj-toc-m summary i { transition: transform .2s ease; color: var(--prj-gold); }
.prj-toc-m[open] summary i { transform: rotate(180deg); }
.prj-toc-m nav {
	padding: 0 1.1rem 1.1rem;
	display: flex;
	flex-direction: column;
	gap: .1rem;
}

/* ---------- Sidebar ---------- */
.prj-side {
	position: sticky;
	top: calc(var(--prj-header-h) + 28px);
	display: flex;
	flex-direction: column;
	gap: 1.1rem;
	max-height: calc(100vh - var(--prj-header-h) - 48px);
	overflow-y: auto;
	scrollbar-width: thin;
}
.prj-side__card {
	background: var(--prj-surface);
	border: 1px solid var(--prj-line);
	border-radius: var(--prj-radius);
	padding: 1.2rem;
}
.prj-side__heading { font-size: .95rem; margin: 0 0 .9rem; color: #fff; font-weight: 700; }
.prj-toc { display: flex; flex-direction: column; gap: .15rem; }
.prj-toc__link {
	display: block;
	padding: .4rem 0 .4rem .8rem;
	border-left: 2px solid rgba(255, 255, 255, .13);
	color: var(--prj-muted);
	font-size: .84rem;
	line-height: 1.45;
	text-decoration: none;
}
.prj-toc__link:hover { color: #fff; }
.prj-toc__link.is-active { border-left-color: var(--prj-gold); color: #fff; }

.prj-side__services { background: linear-gradient(150deg, rgba(253, 184, 19, .12), var(--prj-surface) 58%); }
.prj-side__icon {
	width: 40px;
	height: 40px;
	border-radius: 11px;
	background: var(--prj-gold);
	color: #121212;
	display: grid;
	place-items: center;
	font-size: 1.15rem;
	margin-bottom: .9rem;
}
.prj-side__services ul { list-style: none; padding: 0; margin: 0 0 .9rem; }
.prj-side__services li { border-bottom: 1px solid #2a2a2a; }
.prj-side__services li:last-child { border-bottom: 0; }
.prj-side__services li a {
	display: block;
	padding: .5rem 0;
	color: #d0d0d0;
	font-size: .84rem;
	text-decoration: none;
}
.prj-side__services li a:hover { color: var(--prj-gold); }

.prj-side__cta { background: linear-gradient(145deg, #42144f, var(--prj-surface) 65%); }
.prj-side__metric {
	font-size: 1.45rem;
	color: var(--prj-gold);
	font-weight: 900;
	line-height: 1;
	margin: 0 0 .7rem;
}
.prj-side__title { font-size: 1.12rem; margin: 0 0 .5rem; color: #fff; line-height: 1.35; }
.prj-side__desc { font-size: .85rem; color: var(--prj-muted); margin: 0 0 1rem; line-height: 1.6; }

/* =========================================================
   JOURNEY — dự án liên quan, bài viết, CTA cuối
   ========================================================= */
.prj-journey { background: var(--prj-bg); }
.prj-sec { padding: 4.2rem 0; border-top: 1px solid var(--prj-line); }
.prj-sec--related { background: #0c0c0c; }
.prj-sec--cta { border-top: 0; padding-top: .5rem; }
.prj-sectitle {
	font-size: clamp(1.7rem, 3vw, 2.35rem);
	line-height: 1.15;
	letter-spacing: -.025em;
	margin: 0;
	color: #fff;
}
.prj-sechead {
	display: flex;
	justify-content: space-between;
	align-items: flex-end;
	gap: 1.5rem;
	margin-bottom: 1.8rem;
	flex-wrap: wrap;
}
.prj-sechead__note { margin: 0; color: var(--prj-muted-2); max-width: 34em; font-size: .92rem; }

/* Card bài viết liên quan */
.prj-artgrid {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 1.1rem;
}
.prj-artcard {
	display: flex;
	flex-direction: column;
	gap: .6rem;
	border: 1px solid #2c2c2c;
	border-radius: 17px;
	padding: 1.4rem;
	background: #121212;
	text-decoration: none;
	color: inherit;
	transition: transform .18s ease, border-color .18s ease;
}
.prj-artcard:hover { transform: translateY(-4px); border-color: rgba(253, 184, 19, .45); }
.prj-artcard__tag {
	font-size: .66rem;
	text-transform: uppercase;
	color: var(--prj-gold);
	font-weight: 800;
	letter-spacing: .07em;
}
.prj-artcard h3 { font-size: 1.08rem; line-height: 1.35; margin: 0; color: #fff; }
.prj-artcard__meta { font-size: .78rem; color: var(--prj-muted-2); margin-top: auto; }
@media (prefers-reduced-motion: reduce) {
	.prj-artcard { transition: none; }
	.prj-artcard:hover { transform: none; }
}

/* CTA cuối trang */
.prj-ctapanel {
	display: grid;
	grid-template-columns: 1.18fr .82fr;
	gap: 1.5rem;
	align-items: center;
	background: linear-gradient(135deg, #211c00, #111 66%);
	border: 1px solid #4a3d00;
	border-radius: 24px;
	padding: 2.5rem;
}
.prj-ctapanel__title { font-size: clamp(1.5rem, 2.7vw, 2.1rem); line-height: 1.2; margin: 0 0 .6rem; color: #fff; }
.prj-ctapanel__desc { color: #aaa; margin: 0; max-width: 40em; }
.prj-ctapanel__actions { display: flex; gap: .75rem; justify-content: flex-end; flex-wrap: wrap; }

/* ---------- CTA DÍNH MOBILE ---------- */
.prj-mcta { display: none; }

/* =========================================================
   LIGHTBOX
   ========================================================= */
.prj-lightbox {
	position: fixed;
	inset: 0;
	z-index: 990;
	background: rgba(5, 5, 5, .93);
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 2.5rem 1rem 3.5rem;
}
.prj-lightbox[hidden] { display: none; }
.prj-lightbox__img {
	max-width: min(1200px, 94vw);
	max-height: 84vh;
	object-fit: contain;
	border-radius: 8px;
	box-shadow: 0 30px 90px rgba(0, 0, 0, .6);
}
.prj-lightbox__caption {
	position: absolute;
	left: 50%;
	bottom: 1.1rem;
	transform: translateX(-50%);
	color: #ddd;
	font-size: .85rem;
	max-width: 90vw;
	text-align: center;
}
.prj-lightbox__close,
.prj-lightbox__prev,
.prj-lightbox__next {
	position: absolute;
	width: 44px;
	height: 44px;
	border-radius: 50%;
	border: 1px solid rgba(255, 255, 255, .25);
	background: rgba(20, 20, 20, .8);
	color: #fff;
	font-size: 1.1rem;
	display: grid;
	place-items: center;
	cursor: pointer;
}
.prj-lightbox__close:hover,
.prj-lightbox__prev:hover,
.prj-lightbox__next:hover { border-color: var(--prj-gold); color: var(--prj-gold); }
.prj-lightbox__close { top: 1rem; right: 1rem; }
.prj-lightbox__prev { left: 1rem; top: 50%; transform: translateY(-50%); }
.prj-lightbox__next { right: 1rem; top: 50%; transform: translateY(-50%); }
.prj-lightbox__close:focus-visible,
.prj-lightbox__prev:focus-visible,
.prj-lightbox__next:focus-visible {
	outline: 2px solid var(--prj-gold);
	outline-offset: 3px;
}

/* =========================================================
   RESPONSIVE
   ========================================================= */

/* Tablet lớn: bỏ sidebar dính, nội dung 1 cột */
@media (max-width: 1150px) {
	.prj-hero__grid,
	.prj-hero__grid--noimg { grid-template-columns: 1fr; gap: 2.2rem; }
	.prj-hero__visual { max-width: 760px; }
	.prj-layout,
	.prj-layout--single { grid-template-columns: minmax(0, 1fr); gap: 0; justify-content: stretch; }
	.prj-side { display: none; }
	.prj-body { max-width: 790px; margin-inline: auto; width: 100%; }
	.prj-toc-m { display: block; }
}

/* Tablet */
@media (max-width: 991px) {
	.prj-objgrid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
	.prj-objgrid > .prj-objective:last-child:nth-child(odd) { grid-column: span 2; }
	.prj-svcgrid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
	.prj-svcgrid > .prj-svccard:last-child:nth-child(odd) { grid-column: span 2; }
	.prj-artgrid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
	.prj-artgrid > .prj-artcard:last-child:nth-child(3) { grid-column: span 2; }
	.prj-ctapanel { grid-template-columns: 1fr; }
	.prj-ctapanel__actions { justify-content: flex-start; }
}

/* Mobile */
@media (max-width: 720px) {
	.prj-container { width: min(var(--prj-max), 100% - 28px); }
	.prj-hero { padding: 2.3rem 0 2rem; }
	.prj-crumb {
		font-size: .74rem;
		margin-bottom: 1.2rem;
		flex-wrap: nowrap;
		white-space: nowrap;
		overflow: hidden;
	}
	.prj-crumb__current { overflow: hidden; text-overflow: ellipsis; }
	.prj-title { font-size: clamp(2.35rem, 10vw, 2.9rem); line-height: 1.06; }
	.prj-dek { font-size: 1.05rem; }
	.prj-hero__actions { flex-direction: column; }
	.prj-hero__actions .prj-btn { width: 100%; }
	.prj-hero__visual { border-radius: 18px; aspect-ratio: 16 / 12; }
	.prj-hero__initial { font-size: 4rem; }
	.prj-facts { grid-template-columns: 1fr; margin-top: 2rem; }
	.prj-fact { padding: 1.05rem 1.2rem; }

	.prj-layout { padding: 2.2rem 0 3.4rem; }
	.prj-section { margin-bottom: 3.4rem; }
	.prj-h2 { font-size: clamp(1.6rem, 7vw, 1.95rem); }
	.prj-intro { font-size: 1rem; }
	.prj-prose { font-size: 1rem; line-height: 1.75; }
	.prj-lead { font-size: 1.1rem; }

	.prj-context { grid-template-columns: 1fr; }
	.prj-context__art { min-height: 190px; }
	.prj-context__copy { padding: 1.4rem; }

	.prj-cardgrid,
	.prj-objgrid,
	.prj-svcgrid,
	.prj-resultgrid,
	.prj-evgrid { grid-template-columns: 1fr; }
	.prj-objgrid > .prj-objective:last-child:nth-child(odd),
	.prj-svcgrid > .prj-svccard:last-child:nth-child(odd) { grid-column: auto; }
	.prj-ev--full .prj-ev__open { aspect-ratio: 16 / 10; }

	.prj-flow { padding: .4rem 1.15rem; }
	.prj-flow__row { grid-template-columns: 50px 1fr; gap: .8rem; padding: 1.2rem 0; }
	.prj-flow__num { font-size: 1.7rem; }

	.prj-results { padding: 1.3rem; }
	.prj-quote { padding: 1.3rem; }
	.prj-quote blockquote { font-size: 1.08rem; }

	.prj-sec { padding: 3.2rem 0; }
	.prj-sechead { display: block; }
	.prj-sechead__note { margin-top: .6rem; }

	/* Card dự án/bài viết liên quan: cuộn ngang bằng scroll-snap */
	.prj-relatedgrid,
	.prj-artgrid {
		display: flex;
		overflow-x: auto;
		scroll-snap-type: x mandatory;
		gap: .9rem;
		padding-bottom: .5rem;
		margin-right: -14px;
		padding-right: 14px;
		-webkit-overflow-scrolling: touch;
	}
	.prj-relatedgrid > .solo-card,
	.prj-artgrid > .prj-artcard,
	.prj-artgrid > .prj-artcard:last-child:nth-child(3) {
		min-width: 82vw;
		grid-column: auto;
		scroll-snap-align: start;
		flex: 0 0 auto;
	}

	.prj-ctapanel { padding: 1.6rem; }
	.prj-ctapanel__actions { flex-direction: column; }
	.prj-ctapanel__actions .prj-btn { width: 100%; }

	/* CTA dính cuối màn hình */
	.prj-mcta {
		display: grid;
		grid-template-columns: 1fr auto auto;
		align-items: center;
		gap: .6rem;
		position: fixed;
		bottom: 0;
		left: 0;
		right: 0;
		z-index: 890;
		background: rgba(11, 11, 11, .97);
		backdrop-filter: blur(12px);
		border-top: 1px solid var(--prj-line-strong);
		padding: .6rem .85rem;
		padding-bottom: calc(.6rem + env(safe-area-inset-bottom, 0px));
	}
	.prj-mcta[data-prj-dismissed="1"] { display: none; }
	.prj-mcta__text { margin: 0; font-size: .72rem; color: var(--prj-muted); line-height: 1.3; min-width: 0; }
	.prj-mcta__text strong {
		display: block;
		color: #fff;
		font-size: .85rem;
		overflow: hidden;
		text-overflow: ellipsis;
		white-space: nowrap;
	}
	.prj-mcta__close {
		background: transparent;
		border: 0;
		color: var(--prj-muted-2);
		width: 36px;
		height: 36px;
		display: grid;
		place-items: center;
		cursor: pointer;
		font-size: 1.05rem;
	}
	.prj-mcta__close:hover { color: #fff; }

	/* Chừa chỗ cho thanh CTA dính — không che nội dung cuối trang/footer. */
	body.prj-has-sticky-cta { padding-bottom: 68px; }

	.prj-lightbox__prev { left: .4rem; }
	.prj-lightbox__next { right: .4rem; }
}