/* ==========================================================================
   Nội Thất Studio – main.css
   Phong cách: sang trọng tối giản. Màu trung tính, nhiều khoảng trắng, ảnh lớn.
   Đổi màu chủ đạo: sửa biến trong :root.
   ========================================================================== */

:root {
	--ink: #1d1c1a;
	--ink-2: #3b3934;
	--muted: #77716a;
	--line: #e2dcd2;
	--paper: #faf8f4;
	--sand: #f2ede5;
	--stone: #e6dfd4;
	--accent: #8c6d46;
	--accent-dark: #6d5233;
	--white: #fff;
	--danger: #a33a2c;
	--success: #2f6b3f;

	--serif: "Cormorant Garamond", Georgia, "Times New Roman", serif;
	--sans: "Be Vietnam Pro", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

	--container: 1240px;
	--gutter: clamp(16px, 4vw, 40px);
	--section: clamp(72px, 10vw, 140px);
	--header-h: 84px;
	--ease: cubic-bezier(.2, .7, .2, 1);
}

/* Reset gọn
   ------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
	margin: 0;
	background: var(--paper);
	color: var(--ink);
	font-family: var(--sans);
	font-size: 16px;
	font-weight: 400;
	line-height: 1.75;
	-webkit-font-smoothing: antialiased;
	text-rendering: optimizeLegibility;
}
img, svg, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; transition: color .25s var(--ease); }
a:hover { color: var(--accent); }
h1, h2, h3, h4, h5, h6 {
	margin: 0 0 .5em;
	font-family: var(--serif);
	font-weight: 500;
	line-height: 1.15;
	letter-spacing: -.01em;
	color: var(--ink);
}
p { margin: 0 0 1.2em; }
ul, ol { margin: 0; padding: 0; }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
[id] { scroll-margin-top: calc(var(--header-h) + 16px); }

.screen-reader-text {
	position: absolute !important;
	width: 1px; height: 1px;
	overflow: hidden;
	clip: rect(1px, 1px, 1px, 1px);
	white-space: nowrap;
}
.skip-link:focus {
	clip: auto; width: auto; height: auto;
	top: 12px; left: 12px; z-index: 1000;
	padding: 10px 16px;
	background: var(--ink); color: var(--white);
}

/* Bố cục
   ------------------------------------------------------------------------- */
.container {
	width: 100%;
	max-width: var(--container);
	margin-inline: auto;
	padding-inline: var(--gutter);
}
.content-narrow { max-width: 760px; margin-inline: auto; }
.section { padding-block: var(--section); }
.section--tight { padding-block: clamp(48px, 6vw, 80px); }
.section--sand { background: var(--sand); }
.section--ink { background: var(--ink); color: #d9d3c9; }
.section--ink .section-title, .section--ink h3 { color: var(--white); }

/* Chữ
   ------------------------------------------------------------------------- */
.eyebrow {
	display: inline-flex;
	align-items: center;
	gap: 14px;
	margin-bottom: 18px;
	font-size: 12px;
	font-weight: 500;
	letter-spacing: .22em;
	text-transform: uppercase;
	color: var(--accent);
}
.eyebrow::before { content: ""; width: 32px; height: 1px; background: currentColor; }
.eyebrow--light { color: #e6d7c1; }
.eyebrow a { color: inherit; }
.section-title { font-size: clamp(34px, 4.4vw, 56px); max-width: 16ch; }
.lead { font-size: clamp(17px, 1.6vw, 20px); line-height: 1.7; color: var(--ink-2); font-weight: 300; }

.section-head {
	display: flex;
	justify-content: space-between;
	align-items: flex-end;
	gap: 24px;
	margin-bottom: clamp(36px, 5vw, 64px);
}
.section-head .section-title { margin-bottom: 0; }

.link-arrow {
	display: inline-flex;
	align-items: center;
	gap: 10px;
	flex-shrink: 0;
	font-size: 13px;
	font-weight: 500;
	letter-spacing: .12em;
	text-transform: uppercase;
	border-bottom: 1px solid currentColor;
	padding-bottom: 4px;
}
.link-arrow::after { content: "→"; transition: transform .3s var(--ease); }
a:hover .link-arrow::after, .link-arrow:hover::after { transform: translateX(4px); }

/* Nút
   ------------------------------------------------------------------------- */
.btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 10px;
	min-height: 52px;
	padding: 14px 30px;
	border: 1px solid var(--ink);
	border-radius: 0;
	background: var(--ink);
	color: var(--white);
	font-size: 13px;
	font-weight: 500;
	letter-spacing: .14em;
	text-transform: uppercase;
	cursor: pointer;
	transition: background .3s var(--ease), color .3s var(--ease), border-color .3s var(--ease);
}
.btn:hover { background: var(--accent); border-color: var(--accent); color: var(--white); }
.btn--small { min-height: 42px; padding: 10px 20px; font-size: 12px; }
.btn--block { width: 100%; }
.btn--light { background: var(--white); border-color: var(--white); color: var(--ink); }
.btn--light:hover { background: var(--accent); border-color: var(--accent); color: var(--white); }
.btn--ghost { background: transparent; border-color: rgba(255,255,255,.6); color: var(--white); }
.btn--ghost:hover { background: var(--white); border-color: var(--white); color: var(--ink); }
.btn--outline { background: transparent; color: var(--ink); }
.btn--outline:hover { background: var(--ink); border-color: var(--ink); }
.btn[disabled] { opacity: .6; pointer-events: none; }

/* Header
   ------------------------------------------------------------------------- */
.site-header {
	position: sticky;
	top: 0;
	z-index: 100;
	background: rgba(250, 248, 244, .96);
	border-bottom: 1px solid var(--line);
	transition: background .35s var(--ease), border-color .35s var(--ease), color .35s var(--ease);
}
@supports (backdrop-filter: blur(1px)) {
	.site-header { background: rgba(250, 248, 244, .85); backdrop-filter: saturate(140%) blur(12px); }
}
.site-header__inner {
	display: flex;
	align-items: center;
	gap: 32px;
	min-height: var(--header-h);
}
.site-brand { flex-shrink: 0; }
.site-title {
	font-family: var(--serif);
	font-size: 26px;
	font-weight: 600;
	letter-spacing: .02em;
}
.custom-logo { max-height: 52px; width: auto; }

.site-nav { margin-left: auto; }
.site-nav .menu { display: flex; gap: 34px; list-style: none; }
.site-nav .menu > li { position: relative; }
.site-nav .menu a {
	display: block;
	padding-block: 8px;
	font-size: 14px;
	font-weight: 400;
	letter-spacing: .04em;
}
.site-nav .menu > li > a { position: relative; }
.site-nav .menu > li > a::after {
	content: "";
	position: absolute;
	left: 0; right: 0; bottom: 2px;
	height: 1px;
	background: currentColor;
	transform: scaleX(0);
	transform-origin: left;
	transition: transform .35s var(--ease);
}
.site-nav .menu > li:hover > a::after,
.site-nav .current-menu-item > a::after,
.site-nav .current-menu-ancestor > a::after { transform: scaleX(1); }
.site-nav .sub-menu {
	position: absolute;
	top: 100%;
	left: -20px;
	min-width: 230px;
	padding: 12px 20px;
	list-style: none;
	background: var(--white);
	border: 1px solid var(--line);
	box-shadow: 0 20px 40px -24px rgba(29, 28, 26, .25);
	opacity: 0;
	visibility: hidden;
	transform: translateY(8px);
	transition: opacity .25s, transform .25s var(--ease), visibility .25s;
}
.site-nav li:hover > .sub-menu,
.site-nav li:focus-within > .sub-menu { opacity: 1; visibility: visible; transform: none; }
.site-nav .sub-menu a { color: var(--ink); }
.site-nav__mobile-extra { display: none; }

.site-header__actions { display: flex; align-items: center; gap: 20px; }
.site-header__phone { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 500; }

.nav-toggle {
	display: none;
	width: 44px; height: 44px;
	padding: 0;
	border: 0;
	background: transparent;
	cursor: pointer;
	position: relative;
}
.nav-toggle__bar {
	position: absolute;
	left: 10px; right: 10px;
	height: 1.5px;
	background: currentColor;
	transition: transform .3s var(--ease), top .3s var(--ease);
}
.nav-toggle__bar:nth-child(1) { top: 17px; }
.nav-toggle__bar:nth-child(2) { top: 26px; }
.nav-open .nav-toggle__bar:nth-child(1) { top: 21px; transform: rotate(45deg); }
.nav-open .nav-toggle__bar:nth-child(2) { top: 21px; transform: rotate(-45deg); }

/* Header trong suốt trên ảnh (trang chủ, dự án có ảnh) */
.site-header--overlay {
	position: fixed;
	left: 0; right: 0;
	background: transparent;
	backdrop-filter: none;
	border-color: transparent;
	color: var(--white);
}
.site-header--overlay .btn--small { background: transparent; border-color: rgba(255,255,255,.6); }
.site-header--overlay .btn--small:hover { background: var(--white); color: var(--ink); }
.site-header--overlay.is-scrolled,
.nav-open .site-header--overlay {
	background: rgba(250, 248, 244, .96);
	border-color: var(--line);
	color: var(--ink);
}
.site-header--overlay.is-scrolled .btn--small { background: var(--ink); border-color: var(--ink); color: var(--white); }
.admin-bar .site-header { top: 32px; }
@media (max-width: 782px) { .admin-bar .site-header { top: 46px; } }

/* Hero trang chủ
   ------------------------------------------------------------------------- */
.hero {
	position: relative;
	display: flex;
	align-items: flex-end;
	min-height: 100vh;
	min-height: 100svh;
	padding-block: calc(var(--header-h) + 40px) clamp(56px, 9vw, 120px);
	color: var(--white);
	background: #2a2723;
	overflow: hidden;
}
.hero__media { position: absolute; inset: 0; }
.hero__img { width: 100%; height: 100%; object-fit: cover; }
.hero__media::after {
	content: "";
	position: absolute;
	inset: 0;
	background: linear-gradient(180deg, rgba(20,18,15,.45) 0%, rgba(20,18,15,.15) 40%, rgba(20,18,15,.72) 100%);
}
.hero--no-image .hero__media {
	background:
		radial-gradient(120% 80% at 80% 20%, #5b4a36 0%, transparent 60%),
		linear-gradient(135deg, #2a2723 0%, #3d342a 100%);
}
.hero__content { position: relative; z-index: 1; }
.hero__title {
	max-width: 15ch;
	margin-bottom: 24px;
	color: var(--white);
	font-size: clamp(44px, 7.2vw, 104px);
	font-weight: 400;
	line-height: 1.02;
}
.hero__text { max-width: 560px; font-size: clamp(16px, 1.5vw, 19px); font-weight: 300; color: rgba(255,255,255,.86); }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 36px; }

/* Giới thiệu + số liệu
   ------------------------------------------------------------------------- */
.intro__grid { display: grid; grid-template-columns: 5fr 7fr; gap: clamp(32px, 6vw, 96px); }
.stats {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 24px;
	margin-top: 48px;
	padding-top: 40px;
	border-top: 1px solid var(--line);
	list-style: none;
}
.stats__num { display: block; font-family: var(--serif); font-size: clamp(40px, 4.6vw, 64px); line-height: 1; color: var(--ink); }
.stats__label { display: block; margin-top: 10px; font-size: 13px; letter-spacing: .06em; color: var(--muted); }

/* Dịch vụ
   ------------------------------------------------------------------------- */
.service-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--stone); }
.service-grid--archive { grid-template-columns: repeat(3, 1fr); }
.card-service { border-right: 1px solid var(--stone); border-bottom: 1px solid var(--stone); }
.service-grid > .card-service:nth-child(4n) { border-right: 0; }
.service-grid--archive > .card-service:nth-child(4n) { border-right: 1px solid var(--stone); }
.service-grid--archive > .card-service:nth-child(3n) { border-right: 0; }
.card-service__link {
	display: flex;
	flex-direction: column;
	height: 100%;
	padding: 40px 32px 36px;
	transition: background .4s var(--ease);
}
.card-service__link:hover { background: var(--white); color: inherit; }
.card-service__num { font-family: var(--serif); font-size: 18px; font-style: italic; color: var(--accent); margin-bottom: 40px; }
.card-service__title { font-size: 28px; }
.card-service__text { color: var(--muted); font-size: 15px; }
.card-service__price { margin-top: auto; padding-top: 12px; font-size: 14px; color: var(--ink-2); }
.card-service__price strong { font-weight: 600; color: var(--ink); }
.card-service .link-arrow { margin-top: 18px; align-self: flex-start; font-size: 12px; }

/* Dự án
   ------------------------------------------------------------------------- */
.project-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(20px, 3vw, 40px) clamp(16px, 2.4vw, 32px); }
.project-grid--featured > :first-child { grid-row: span 2; }
.project-grid--featured > :first-child .card-project__link { height: 100%; }
.project-grid--featured > :first-child .card-project__media { flex: 1; aspect-ratio: auto; min-height: 420px; }

.card-project__link { display: flex; flex-direction: column; color: inherit; }
.card-project__link:hover { color: inherit; }
.card-project__media { position: relative; aspect-ratio: 4 / 3; overflow: hidden; background: var(--stone); }
.card-project__media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--ease); }
.card-project__link:hover .card-project__media img { transform: scale(1.045); }
.card-project__body { padding-top: 18px; }
.card-project__tag { font-size: 11px; letter-spacing: .2em; text-transform: uppercase; color: var(--accent); }
.card-project__title { margin: 6px 0 4px; font-size: clamp(22px, 2vw, 28px); transition: color .25s; }
.card-project__link:hover .card-project__title { color: var(--accent); }
.card-project__meta { margin: 0; font-size: 14px; color: var(--muted); }
.img-placeholder { position: absolute; inset: 0; background: linear-gradient(135deg, var(--stone), var(--sand)); }

.filter-bar {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 8px 22px;
	margin-bottom: clamp(32px, 4vw, 56px);
	padding-bottom: 20px;
	border-bottom: 1px solid var(--line);
}
.filter-bar__group { font-size: 11px; letter-spacing: .2em; text-transform: uppercase; color: var(--muted); padding-left: 22px; border-left: 1px solid var(--line); }
.filter-bar__link { position: relative; font-size: 14px; color: var(--ink-2); padding-block: 4px; }
.filter-bar__link.is-active { color: var(--ink); font-weight: 500; }
.filter-bar__link.is-active::after { content: ""; position: absolute; left: 0; right: 0; bottom: -21px; height: 2px; background: var(--ink); }

/* Chi tiết dự án */
.project-hero {
	position: relative;
	display: flex;
	align-items: flex-end;
	min-height: 86vh;
	padding-block: calc(var(--header-h) + 40px) 56px;
	color: var(--white);
	background: #2a2723;
}
.project-hero__media { position: absolute; inset: 0; }
.project-hero__media img { width: 100%; height: 100%; object-fit: cover; }
.project-hero__media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(20,18,15,.35), rgba(20,18,15,.1) 45%, rgba(20,18,15,.7)); }
.project-hero__content { position: relative; z-index: 1; }
.project-hero__title { max-width: 18ch; margin: 0; color: var(--white); font-size: clamp(40px, 6vw, 84px); font-weight: 400; line-height: 1.04; }
.project-hero .breadcrumbs { color: rgba(255,255,255,.75); }
.project-hero--plain { min-height: 0; padding-top: clamp(48px, 7vw, 96px); background: var(--sand); color: var(--ink); }
.project-hero--plain .project-hero__title { color: var(--ink); }
.project-hero--plain .breadcrumbs { color: var(--muted); }

.project-facts {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
	margin: 0;
	border-bottom: 1px solid var(--line);
}
.project-facts__item { padding: 28px 24px 28px 0; border-right: 1px solid var(--line); }
.project-facts__item + .project-facts__item { padding-left: 24px; }
.project-facts__item:last-child { border-right: 0; }
.project-facts dt { font-size: 11px; letter-spacing: .2em; text-transform: uppercase; color: var(--muted); }
.project-facts dd { margin: 6px 0 0; font-family: var(--serif); font-size: 22px; line-height: 1.3; }

.gallery { columns: 3 280px; column-gap: 16px; }
.gallery__item { display: block; margin-bottom: 16px; overflow: hidden; break-inside: avoid; cursor: zoom-in; }
.gallery__item img { width: 100%; transition: transform 1s var(--ease), opacity .3s; }
.gallery__item:hover img { transform: scale(1.03); }

/* Lightbox */
.lightbox {
	position: fixed;
	inset: 0;
	z-index: 1000;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 56px 64px;
	background: rgba(15, 14, 12, .94);
	opacity: 0;
	transition: opacity .3s;
}
.lightbox.is-open { opacity: 1; }
.lightbox img { max-width: 100%; max-height: 100%; width: auto; object-fit: contain; }
.lightbox button {
	position: absolute;
	width: 48px; height: 48px;
	border: 0;
	background: transparent;
	color: var(--white);
	font-size: 28px;
	line-height: 1;
	cursor: pointer;
	opacity: .8;
}
.lightbox button:hover { opacity: 1; }
.lightbox__close { top: 12px; right: 12px; }
.lightbox__prev { left: 8px; top: 50%; transform: translateY(-50%); }
.lightbox__next { right: 8px; top: 50%; transform: translateY(-50%); }
.lightbox__count { position: absolute; bottom: 18px; left: 50%; transform: translateX(-50%); color: rgba(255,255,255,.7); font-size: 13px; letter-spacing: .1em; }

/* Quy trình
   ------------------------------------------------------------------------- */
.process__list { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; list-style: none; counter-reset: step; }
.process__item { counter-increment: step; padding-top: 28px; border-top: 1px solid rgba(255,255,255,.18); }
.process__item::before { content: "0" counter(step); display: block; margin-bottom: 28px; font-family: var(--serif); font-size: 44px; line-height: 1; color: #c9ab82; }
.process__title { font-size: 26px; }
.process__item p { margin: 0; font-size: 15px; color: #b9b2a7; }

/* Blog
   ------------------------------------------------------------------------- */
.post-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(28px, 3vw, 40px) clamp(16px, 2.4vw, 32px); }
.card-post__media { position: relative; display: block; aspect-ratio: 4 / 3; overflow: hidden; background: var(--stone); }
.card-post__media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--ease); }
.card-post:hover .card-post__media img { transform: scale(1.045); }
.card-post__body { padding-top: 18px; }
.card-post__meta { display: flex; gap: 8px; margin-bottom: 8px; font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.card-post__meta a { color: var(--accent); }
.card-post__title { font-size: 26px; line-height: 1.2; }
.card-post__excerpt { margin: 0; font-size: 15px; color: var(--muted); }

/* Đầu trang (archive / page / post)
   ------------------------------------------------------------------------- */
.page-head { padding-block: clamp(48px, 7vw, 96px) clamp(40px, 5vw, 64px); background: var(--sand); }
.page-head__title { max-width: 20ch; margin-bottom: 0; font-size: clamp(38px, 5.4vw, 72px); font-weight: 400; line-height: 1.06; }
.page-head__text { max-width: 640px; margin-top: 22px; color: var(--ink-2); font-size: 17px; font-weight: 300; }
.page-head__text p:last-child { margin-bottom: 0; }
.page-head--post .page-head__title { max-width: none; font-size: clamp(34px, 4.6vw, 58px); }
.post-meta { margin: 20px 0 0; font-size: 14px; color: var(--muted); display: flex; gap: 8px; }

.breadcrumbs { margin-bottom: 28px; font-size: 13px; color: var(--muted); }
.breadcrumbs ol { display: flex; flex-wrap: wrap; gap: 6px; list-style: none; }
.breadcrumbs li:not(:last-child)::after { content: "/"; margin-left: 6px; opacity: .5; }
.breadcrumbs a { color: inherit; }
.breadcrumbs a:hover { color: var(--accent); }
.project-hero .breadcrumbs a:hover { color: var(--white); }

.post-single__image, .page-image { margin: 0 auto; padding-top: clamp(24px, 4vw, 48px); }
.page-image { padding-top: 0; margin-bottom: clamp(32px, 4vw, 56px); }
.post-single__image img, .page-image img { width: 100%; }
.post-tags { display: flex; flex-wrap: wrap; gap: 8px 16px; margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--line); font-size: 14px; }

/* Nội dung soạn thảo
   ------------------------------------------------------------------------- */
.entry-content { font-size: 17px; line-height: 1.85; color: var(--ink-2); }
.entry-content > * { margin-block: 0 1.3em; }
.entry-content h2 { margin-top: 1.8em; font-size: clamp(28px, 3vw, 38px); }
.entry-content h3 { margin-top: 1.6em; font-size: clamp(23px, 2.4vw, 28px); }
.entry-content h4 { margin-top: 1.4em; font-family: var(--sans); font-size: 18px; font-weight: 600; letter-spacing: 0; }
.entry-content a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; }
.entry-content a:hover { color: var(--accent-dark); }
.entry-content ul, .entry-content ol { padding-left: 1.3em; }
.entry-content li { margin-bottom: .4em; }
.entry-content blockquote {
	margin: 2em 0;
	padding: 0 0 0 28px;
	border-left: 1px solid var(--accent);
	font-family: var(--serif);
	font-size: 26px;
	font-style: italic;
	line-height: 1.45;
	color: var(--ink);
}
.entry-content blockquote cite { display: block; margin-top: 10px; font-family: var(--sans); font-size: 13px; font-style: normal; color: var(--muted); }
.entry-content figure { margin-inline: 0; }
.entry-content img { height: auto; }
.entry-content figcaption, .wp-element-caption { margin-top: 10px; font-size: 13px; color: var(--muted); text-align: center; }
.entry-content table { width: 100%; border-collapse: collapse; font-size: 15px; }
.entry-content th, .entry-content td { padding: 12px 14px; border-bottom: 1px solid var(--line); text-align: left; }
.entry-content th { font-weight: 600; color: var(--ink); background: var(--sand); }
.entry-content hr { border: 0; border-top: 1px solid var(--line); margin: 2.5em 0; }
.entry-content .alignwide { width: min(1160px, calc(100vw - 2 * var(--gutter))); max-width: none; margin-left: 50%; transform: translateX(-50%); }
.entry-content .alignfull { width: 100vw; max-width: none; margin-left: 50%; transform: translateX(-50%); }
.entry-content .alignleft { float: left; margin: .3em 1.6em 1em 0; max-width: 50%; }
.entry-content .alignright { float: right; margin: .3em 0 1em 1.6em; max-width: 50%; }
.entry-content .aligncenter { margin-inline: auto; }
.entry-content .wp-block-button__link { border-radius: 0; background: var(--ink); color: var(--white); text-decoration: none; font-size: 13px; letter-spacing: .12em; text-transform: uppercase; padding: 14px 28px; }

/* Trang dịch vụ
   ------------------------------------------------------------------------- */
.service-layout { display: grid; grid-template-columns: minmax(0, 1fr) 380px; gap: clamp(32px, 5vw, 80px); align-items: start; }
.service-layout__image { margin: 0 0 40px; }
.service-layout__image img { width: 100%; }
.price-box {
	position: sticky;
	top: calc(var(--header-h) + 24px);
	padding: 36px 32px;
	background: var(--white);
	border: 1px solid var(--line);
}
.price-box__price { margin-bottom: 20px; font-family: var(--serif); font-size: 46px; line-height: 1.1; color: var(--ink); }
.price-box__price--contact { font-size: 38px; }
.price-box__from { display: block; font-family: var(--sans); font-size: 13px; color: var(--muted); letter-spacing: .06em; }
.price-box__unit { font-size: 22px; color: var(--muted); }
.price-box__row { display: flex; justify-content: space-between; gap: 12px; padding-block: 14px; border-block: 1px solid var(--line); font-size: 14px; }
.price-box__row span { color: var(--muted); }
.price-box__row strong { font-weight: 500; }
.check-list { margin: 20px 0 28px; list-style: none; font-size: 15px; }
.check-list li { position: relative; padding: 6px 0 6px 28px; }
.check-list li::before { content: ""; position: absolute; left: 2px; top: 14px; width: 12px; height: 7px; border-left: 1.5px solid var(--accent); border-bottom: 1.5px solid var(--accent); transform: rotate(-45deg); }
.price-box__call { display: block; margin-top: 14px; text-align: center; font-size: 14px; color: var(--ink-2); }
.price-box__note { margin: 18px 0 0; font-size: 12px; color: var(--muted); line-height: 1.6; }

/* Khối báo giá + form
   ------------------------------------------------------------------------- */
.quote-section { background: var(--sand); }
.quote-section__grid { display: grid; grid-template-columns: 5fr 7fr; gap: clamp(36px, 6vw, 96px); align-items: start; }
.quote-section__text { color: var(--ink-2); font-weight: 300; font-size: 17px; }
.quote-steps { margin: 32px 0; list-style: none; counter-reset: q; }
.quote-steps li { counter-increment: q; position: relative; padding: 14px 0 14px 48px; border-top: 1px solid var(--stone); font-size: 15px; color: var(--ink-2); }
.quote-steps li::before { content: counter(q); position: absolute; left: 0; top: 12px; font-family: var(--serif); font-size: 24px; font-style: italic; color: var(--accent); }
.quote-steps strong { color: var(--ink); font-weight: 500; }
.quote-section__hotline { font-size: 15px; color: var(--muted); }
.quote-section__hotline a { display: block; margin-top: 4px; font-family: var(--serif); font-size: 34px; color: var(--ink); }
.quote-section__form { padding: clamp(28px, 4vw, 52px); background: var(--white); }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 26px 28px; margin-bottom: 32px; }
.form-field--full { grid-column: 1 / -1; }
.form-field label { display: block; margin-bottom: 4px; font-size: 11px; font-weight: 500; letter-spacing: .18em; text-transform: uppercase; color: var(--muted); }
.form-field input, .form-field select, .form-field textarea {
	width: 100%;
	padding: 10px 0;
	border: 0;
	border-bottom: 1px solid var(--stone);
	border-radius: 0;
	background: transparent;
	font-size: 16px;
	transition: border-color .25s;
	-webkit-appearance: none;
	appearance: none;
}
.form-field select {
	background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none' stroke='%2377716a' stroke-width='1.4'%3E%3Cpath d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
	background-repeat: no-repeat;
	background-position: right 2px center;
	padding-right: 24px;
}
.form-field textarea { resize: vertical; min-height: 96px; }
.form-field input:focus, .form-field select:focus, .form-field textarea:focus { outline: 0; border-color: var(--ink); }
.form-field input:user-invalid { border-color: var(--danger); }
.form-field input::placeholder, .form-field textarea::placeholder { color: #b5aea3; }
.form-note { margin: 14px 0 0; font-size: 12px; color: var(--muted); text-align: center; }
.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.form-notice { padding: 18px 22px; margin-bottom: 24px; font-size: 15px; border-left: 2px solid; }
.form-notice--success { background: #eef5ef; border-color: var(--success); color: #224d2d; }
.form-notice--error { background: #f9ecea; border-color: var(--danger); color: #7a2a1f; }

/* CTA
   ------------------------------------------------------------------------- */
.cta-band { background: var(--accent); color: var(--white); padding-block: clamp(56px, 7vw, 96px); }
.cta-band__inner { display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.cta-band__title { margin-bottom: 10px; color: var(--white); font-size: clamp(30px, 3.6vw, 46px); max-width: 20ch; }
.cta-band__text { margin: 0; max-width: 560px; color: rgba(255,255,255,.85); font-weight: 300; }
.cta-band__actions { display: flex; flex-wrap: wrap; gap: 12px; flex-shrink: 0; }
.cta-band .btn--light:hover { background: var(--ink); border-color: var(--ink); }

/* Phân trang, tìm kiếm, bình luận, 404
   ------------------------------------------------------------------------- */
.pagination { margin-top: clamp(48px, 6vw, 80px); }
.pagination .nav-links { display: flex; justify-content: center; flex-wrap: wrap; gap: 6px; }
.pagination .page-numbers {
	display: inline-flex; align-items: center; justify-content: center;
	min-width: 44px; height: 44px; padding: 0 12px;
	border: 1px solid var(--line);
	font-size: 14px;
}
.pagination .page-numbers.current { background: var(--ink); border-color: var(--ink); color: var(--white); }
.pagination a.page-numbers:hover { border-color: var(--ink); color: var(--ink); }
.pagination .dots { border: 0; }

.search-form { display: flex; gap: 0; max-width: 520px; margin-block: 28px; }
.search-form input { flex: 1; min-width: 0; padding: 12px 16px; border: 1px solid var(--stone); border-right: 0; background: var(--white); }
.search-form input:focus { outline: 0; border-color: var(--ink); }

.empty-state { padding-block: 48px; text-align: center; color: var(--muted); }
.empty-state .search-form { margin-inline: auto; }

.error-404 { text-align: center; }
.error-404__code { margin: 0; font-family: var(--serif); font-size: clamp(110px, 18vw, 220px); line-height: 1; color: var(--stone); }
.error-404 .page-head__title { margin-inline: auto; }
.error-404 .lead { margin-top: 20px; }
.error-404 .search-form { margin-inline: auto; }
.error-404__links { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; }

.comments { margin-top: 56px; padding-top: 40px; border-top: 1px solid var(--line); }
.comments__title, .comment-reply-title { font-size: 30px; }
.comment-list { list-style: none; margin-bottom: 40px; }
.comment-list .children { list-style: none; padding-left: 32px; }
.comment-body { padding-block: 20px; border-bottom: 1px solid var(--line); font-size: 15px; }
.comment-author { display: flex; align-items: center; gap: 12px; font-weight: 500; }
.comment-author img { border-radius: 50%; }
.comment-metadata { font-size: 12px; color: var(--muted); margin-bottom: 8px; }
.comment-form label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 4px; }
.comment-form input:not([type="submit"]):not([type="checkbox"]), .comment-form textarea { width: 100%; padding: 12px 14px; border: 1px solid var(--stone); background: var(--white); }
.comment-form-cookies-consent { display: flex; gap: 8px; align-items: flex-start; }
.comment-form-cookies-consent label { display: inline; }

/* Footer
   ------------------------------------------------------------------------- */
.site-footer { background: var(--ink); color: #b9b2a7; font-size: 15px; }
.site-footer__grid { display: grid; grid-template-columns: 1.6fr 1fr 1.2fr 1fr; gap: 40px; padding-block: clamp(64px, 8vw, 104px) 56px; }
.site-footer__title { display: inline-block; margin-bottom: 18px; font-family: var(--serif); font-size: 30px; color: var(--white); }
.site-footer__brand p { max-width: 340px; }
.site-footer__heading { margin-bottom: 20px; font-family: var(--sans); font-size: 11px; font-weight: 500; letter-spacing: .22em; text-transform: uppercase; color: var(--white); }
.site-footer ul { list-style: none; }
.site-footer li { margin-bottom: 10px; }
.site-footer a:hover { color: var(--white); }
.social { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 22px; font-size: 13px; letter-spacing: .1em; text-transform: uppercase; }
.social a { border-bottom: 1px solid rgba(255,255,255,.25); padding-bottom: 2px; }
.site-footer__bottom { display: flex; justify-content: space-between; gap: 16px; padding-block: 24px; border-top: 1px solid rgba(255,255,255,.12); font-size: 13px; color: #8a8378; }

/* Nút liên hệ nổi */
.float-contact { position: fixed; right: 18px; bottom: 18px; z-index: 90; display: flex; flex-direction: column; gap: 10px; }
.float-contact__btn {
	display: flex; align-items: center; justify-content: center;
	width: 52px; height: 52px;
	border-radius: 50%;
	color: var(--white);
	font-size: 13px; font-weight: 600;
	box-shadow: 0 10px 24px -8px rgba(0,0,0,.4);
	transition: transform .25s var(--ease);
}
.float-contact__btn:hover { color: var(--white); transform: translateY(-2px); }
.float-contact__btn--call { background: var(--accent); }
.float-contact__btn--zalo { background: #0068ff; }

/* Hiệu ứng xuất hiện (chỉ khi có JS)
   ------------------------------------------------------------------------- */
.js .reveal { opacity: 0; transform: translateY(28px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.js .reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
	html { scroll-behavior: auto; }
	*, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
	.js .reveal { opacity: 1; transform: none; }
}

/* Responsive
   ------------------------------------------------------------------------- */
@media (max-width: 1100px) {
	.site-header__phone span { display: none; }
	.site-nav .menu { gap: 24px; }
	.service-grid { grid-template-columns: repeat(2, 1fr); }
	.service-grid > .card-service:nth-child(n) { border-right: 1px solid var(--stone); }
	.service-grid > .card-service:nth-child(2n) { border-right: 0; }
	.process__list { grid-template-columns: repeat(2, 1fr); row-gap: 48px; }
	.site-footer__grid { grid-template-columns: 1fr 1fr; }
	.service-layout { grid-template-columns: minmax(0, 1fr) 320px; }
}

@media (max-width: 900px) {
	:root { --header-h: 68px; }

	.nav-toggle { display: block; }
	.site-header__cta { display: none; }
	.site-nav {
		position: fixed;
		top: var(--header-h);
		left: 0; right: 0; bottom: 0;
		display: flex;
		flex-direction: column;
		padding: 24px var(--gutter) 32px;
		background: var(--paper);
		color: var(--ink);
		overflow-y: auto;
		opacity: 0;
		visibility: hidden;
		transform: translateY(-8px);
		transition: opacity .3s, transform .3s var(--ease), visibility .3s;
	}
	.admin-bar .site-nav { top: calc(var(--header-h) + 46px); }
	.nav-open .site-nav { opacity: 1; visibility: visible; transform: none; }
	.nav-open { overflow: hidden; }
	.site-nav .menu { flex-direction: column; gap: 0; }
	.site-nav .menu > li { border-bottom: 1px solid var(--line); }
	.site-nav .menu a { padding-block: 14px; font-family: var(--serif); font-size: 26px; }
	.site-nav .menu > li > a::after { display: none; }
	.site-nav .sub-menu { position: static; opacity: 1; visibility: visible; transform: none; border: 0; box-shadow: none; background: transparent; padding: 0 0 12px 16px; }
	.site-nav .sub-menu a { font-family: var(--sans); font-size: 15px; padding-block: 8px; color: var(--ink-2); }
	.site-nav__mobile-extra { display: block; margin-top: auto; padding-top: 32px; }
	.site-nav__phone { display: block; margin-bottom: 16px; font-family: var(--serif); font-size: 30px; }

	.intro__grid, .quote-section__grid { grid-template-columns: 1fr; }
	.project-grid, .post-grid { grid-template-columns: repeat(2, 1fr); }
	.project-grid--featured > :first-child { grid-column: 1 / -1; grid-row: auto; }
	.project-grid--featured > :first-child .card-project__media { min-height: 0; aspect-ratio: 16 / 10; flex: none; }
	.service-grid--archive { grid-template-columns: repeat(2, 1fr); }
	.service-grid--archive > .card-service:nth-child(n) { border-right: 1px solid var(--stone); }
	.service-grid--archive > .card-service:nth-child(2n) { border-right: 0; }
	.service-layout { grid-template-columns: 1fr; }
	.price-box { position: static; }
	.cta-band__inner { flex-direction: column; align-items: flex-start; }
	.section-head { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 600px) {
	body { font-size: 15px; }
	.site-header__phone { display: none; }
	.hero__actions .btn { flex: 1 1 100%; }
	.stats { grid-template-columns: 1fr 1fr 1fr; gap: 12px; }
	.stats__label { font-size: 12px; }
	.service-grid, .service-grid--archive, .project-grid, .post-grid, .process__list { grid-template-columns: 1fr; }
	.service-grid > .card-service:nth-child(n), .service-grid--archive > .card-service:nth-child(n) { border-right: 0; }
	.card-service__link { padding: 32px 0; }
	.card-service__num { margin-bottom: 20px; }
	.form-grid { grid-template-columns: 1fr; gap: 22px; }
	.quote-section__form { margin-inline: calc(var(--gutter) * -1); }
	.project-facts { grid-template-columns: 1fr 1fr; }
	.project-facts__item, .project-facts__item + .project-facts__item { padding: 18px 12px 18px 0; border-right: 0; border-bottom: 1px solid var(--line); }
	.project-facts__item:nth-child(even) { padding-left: 12px; border-left: 1px solid var(--line); }
	.filter-bar { flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; margin-inline: calc(var(--gutter) * -1); padding-inline: var(--gutter); }
	.filter-bar::-webkit-scrollbar { display: none; }
	.filter-bar > * { flex-shrink: 0; }
	.filter-bar__link.is-active::after { bottom: -16px; }
	.site-footer__grid { grid-template-columns: 1fr; gap: 32px; }
	.site-footer__bottom { flex-direction: column; }
	.entry-content .alignleft, .entry-content .alignright { float: none; max-width: 100%; margin: 0 0 1.3em; }
	.lightbox { padding: 56px 8px; }
	.float-contact { right: 12px; bottom: 12px; }
}