/* Đông Nam Infotech 2027 — bố cục theo khung tinhcau.com, màu theo logo Đông Nam (xanh dương + cam). */

:root {
	--dn-blue-deep: #004fe8;
	--dn-blue-dark: #0036cc;
	--dn-blue: #0062ff;
	--dn-blue-hover: #0045d8;
	--dn-sky: #00d2ff;
	--dn-blue-soft: #f0f6ff;
	--dn-blue-tint: #eff6ff;
	--dn-orange: #ff6600;
	--dn-orange-end: #ffa300;
	--dn-orange-hover: #e65c00;
	--dn-orange-text: #c2410c;
	--dn-green: #16a34a;
	--dn-green-text: #047857;
	--dn-red: #dc2626;

	--dn-bg: #ffffff;
	--dn-bg-subtle: #f8fafc;
	--dn-field: #f1f5f9;
	--dn-border: #e2e8f0;
	--dn-border-strong: #cbd5e1;
	--dn-hero: #0a0f1d;
	--dn-footer: #0a0f24;
	--dn-footer-bottom: #060a18;

	--dn-ink: #0f172a;
	--dn-heading: #090e17;
	--dn-text-2: #334155;
	--dn-muted: #475569;
	--dn-on-dark: #ffffff;
	--dn-on-dark-2: #cbd5e1;
	--dn-on-dark-3: #94a3b8;

	--dn-tone-blue: #f0f6ff;
	--dn-tone-orange: #fff7ed;
	--dn-tone-green: #ecfdf5;
	--dn-tone-sky: #f0f9ff;
	--dn-tone-rose: #fff1f2;
	--dn-tone-violet: #f5f3ff;

	--dn-grad-orange: linear-gradient(85deg, #ff6600 0%, #ffa300 100%);
	--dn-grad-blue: linear-gradient(135deg, #004fe8 0%, #0062ff 50%, #00d2ff 100%);
	--dn-grad-text: linear-gradient(90deg, #60a5fa 0%, #38bdf8 45%, #ff8a00 100%);

	--dn-r-xs: 4px;
	--dn-r-sm: 8px;
	--dn-r-md: 12px;
	--dn-r-lg: 16px;
	--dn-r-xl: 24px;
	--dn-r-pill: 9999px;

	--dn-font: 'Geologica', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
	--dn-container: 1280px;
	--dn-narrow: 900px;
	--dn-header-h: 76px;
	--dn-ease: 220ms cubic-bezier(.4, 0, .2, 1);
	--dn-focus: 0 0 0 3px #ffffff, 0 0 0 5px var(--dn-blue);
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--dn-header-h) + 16px); -webkit-text-size-adjust: 100%; }

body {
	margin: 0;
	background: var(--dn-bg);
	color: var(--dn-ink);
	font-family: var(--dn-font);
	font-size: 16px;
	line-height: 1.65;
	-webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
/* Nội dung cũ từ trình soạn thảo: ảnh có chú thích, video, bảng gắn sẵn chiều rộng cố định. */
.wp-caption { max-width: 100% !important; }
.wp-caption-text { margin-top: 8px; color: var(--dn-muted); font-size: 14px; text-align: center; }
iframe, video, embed { max-width: 100%; }
a { color: var(--dn-blue); text-decoration: none; transition: color var(--dn-ease); }
a:hover { color: var(--dn-blue-hover); }
h1, h2, h3, h4 { margin: 0; color: var(--dn-heading); line-height: 1.25; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: none; box-shadow: var(--dn-focus); border-radius: 6px; }

.screen-reader-text, .dn-hp {
	position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap;
}
.dn-skip { position: absolute; left: 12px; top: -60px; z-index: 100; padding: 10px 16px; border-radius: var(--dn-r-sm); background: var(--dn-blue); color: #fff; }
.dn-skip:focus { top: 12px; color: #fff; }

.dn-container { width: 100%; max-width: var(--dn-container); margin: 0 auto; padding: 0 24px; }
.dn-narrow { max-width: var(--dn-narrow); }
.dn-center { margin-top: 36px; text-align: center; }

.dn-icon { width: 20px; height: 20px; flex: 0 0 auto; }

/* ---------- Nút ---------- */

.dn-btn {
	display: inline-flex; align-items: center; justify-content: center; gap: 8px;
	min-height: 52px; padding: 14px 30px;
	border: 0; border-radius: var(--dn-r-md);
	font-size: 16px; font-weight: 600; line-height: 1.25; text-align: center;
	cursor: pointer; transition: transform var(--dn-ease), background var(--dn-ease), color var(--dn-ease), box-shadow var(--dn-ease);
}
.dn-btn:hover { transform: translateY(-2px); }
.dn-btn .dn-icon { width: 18px; height: 18px; }
.dn-btn-orange { background: var(--dn-grad-orange); color: #fff; }
.dn-btn-orange:hover { color: #fff; box-shadow: 0 10px 24px rgba(255, 102, 0, .28); }
.dn-btn-blue { background: var(--dn-blue); color: #fff; }
.dn-btn-blue:hover { background: var(--dn-blue-hover); color: #fff; }
.dn-btn-glass { background: rgba(255, 255, 255, .12); color: #fff; }
.dn-btn-glass:hover { background: rgba(255, 255, 255, .2); color: #fff; }
.dn-btn-outline { background: #fff; color: var(--dn-blue-deep); box-shadow: inset 0 0 0 1.5px var(--dn-blue); }
.dn-btn-outline:hover { background: var(--dn-blue-soft); color: var(--dn-blue-deep); }
.dn-btn-sm { min-height: 44px; padding: 10px 20px; font-size: 15px; }
.dn-btn-block { width: 100%; }

/* ---------- Header ---------- */

.dn-header { position: sticky; top: 0; z-index: 50; border-bottom: 1px solid var(--dn-border); }
/* Nền mờ đặt ở lớp giả: backdrop-filter trên chính header sẽ nhốt menu position: fixed vào trong header. */
.dn-header::before { content: ""; position: absolute; inset: 0; z-index: -1; background: rgba(255, 255, 255, .94); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); }
.admin-bar .dn-header { top: 32px; }
body.dn-nav-open .dn-header { z-index: 100; }
.dn-header-inner { display: flex; align-items: center; gap: 16px; height: var(--dn-header-h); }

.dn-logo { flex: 0 0 auto; display: block; }
.dn-logo img { width: 168px; height: auto; }

.dn-nav { flex: 1 1 auto; display: flex; justify-content: center; height: 100%; }
.dn-menu { display: flex; align-items: stretch; height: 100%; margin: 0; padding: 0; list-style: none; }
.dn-menu-item { position: static; display: flex; }
.dn-menu-item > a,
.dn-mega-toggle {
	position: relative; display: inline-flex; align-items: center; gap: 5px;
	padding: 0 13px; border: 0; background: none;
	color: var(--dn-text-2); font: inherit; font-size: 16px; font-weight: 600; white-space: nowrap; cursor: pointer;
}
.dn-menu-item > a::after,
.dn-mega-toggle::after {
	content: ""; position: absolute; left: 13px; right: 13px; bottom: 0; height: 3px;
	border-radius: 3px 3px 0 0; background: var(--dn-blue); transform: scaleX(0); transition: transform var(--dn-ease);
}
.dn-menu-item > a:hover, .dn-mega-toggle:hover, .dn-menu-item.is-active > a, .dn-menu-item.is-active > .dn-mega-toggle { color: var(--dn-blue); }
.dn-menu-item.is-active > a::after, .dn-menu-item.is-active > .dn-mega-toggle::after, .dn-menu-item > a:hover::after { transform: scaleX(1); }
.dn-mega-toggle .dn-icon { width: 16px; height: 16px; transition: transform var(--dn-ease); }

.dn-mega {
	position: absolute; left: 50%; top: 100%;
	display: grid; grid-template-columns: 1fr 1fr 300px; gap: 28px;
	width: min(1040px, calc(100vw - 48px)); padding: 28px;
	border: 1px solid var(--dn-border); border-radius: 0 0 var(--dn-r-xl) var(--dn-r-xl);
	background: #fff; box-shadow: 0 24px 48px rgba(15, 23, 42, .12);
	opacity: 0; visibility: hidden; transform: translate(-50%, 8px);
	transition: opacity var(--dn-ease), transform var(--dn-ease), visibility var(--dn-ease);
}
.has-mega:hover .dn-mega, .has-mega:focus-within .dn-mega, .has-mega.is-open .dn-mega { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.has-mega:hover .dn-mega-toggle .dn-icon, .has-mega.is-open .dn-mega-toggle .dn-icon { transform: rotate(180deg); }
.dn-mega-title { margin-bottom: 10px; color: var(--dn-muted); font-size: 13px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; }
.dn-mega-all { display: inline-flex; align-items: center; gap: 6px; margin-top: 10px; font-size: 15px; font-weight: 600; }
.dn-mega-all .dn-icon { width: 16px; height: 16px; }
.dn-mega-col ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 2px; }
.dn-mega-col a { display: flex; align-items: center; gap: 12px; padding: 8px 10px; border-radius: var(--dn-r-md); color: var(--dn-ink); }
.dn-mega-col a:hover, .dn-mega-col a[aria-current] { background: var(--dn-bg-subtle); color: var(--dn-blue); }
.dn-mega-col strong { display: block; font-size: 15px; font-weight: 600; line-height: 1.3; }
.dn-mega-col small { display: block; color: var(--dn-muted); font-size: 13px; line-height: 1.3; }
.dn-mega-icon { display: grid; place-items: center; flex: 0 0 auto; width: 38px; height: 38px; border-radius: 10px; color: var(--dn-blue-deep); }
.dn-mega-icon .dn-icon { width: 19px; height: 19px; }
.dn-mega-promo { padding: 22px; border-radius: var(--dn-r-lg); background: var(--dn-blue-soft); }
.dn-mega-promo p { color: var(--dn-text-2); font-size: 14px; line-height: 1.5; }
.dn-mega-promo .dn-mega-title { color: var(--dn-heading); font-size: 15px; letter-spacing: 0; text-transform: none; }
.dn-mega-phone { display: flex; align-items: center; gap: 8px; margin: 14px 0 8px; color: var(--dn-blue-deep); font-size: 22px; font-weight: 700; }
.dn-mega-note { display: flex; gap: 6px; align-items: flex-start; margin-bottom: 16px; }
.dn-mega-note .dn-icon { width: 17px; height: 17px; color: var(--dn-green); margin-top: 1px; }

.dn-header-actions { display: flex; align-items: center; gap: 14px; flex: 0 0 auto; }
.dn-header-hotline { display: flex; align-items: center; gap: 8px; color: var(--dn-heading); font-weight: 700; line-height: 1.15; }
.dn-header-hotline small { display: block; color: var(--dn-muted); font-size: 12px; font-weight: 500; }
.dn-header-hotline .dn-icon { width: 34px; height: 34px; padding: 8px; border-radius: 50%; background: var(--dn-blue-soft); color: var(--dn-blue); }

/* Chỉ dùng trên màn hình nhỏ */
.dn-nav-toggle, .dn-header-call, .dn-nav-overlay, .dn-drawer-head, .dn-drawer-foot { display: none; }

@media (max-width: 1240px) {
	.dn-header-hotline { display: none; }
	.dn-menu-item > a, .dn-mega-toggle { padding: 0 10px; font-size: 15px; }
	.dn-menu-item > a::after, .dn-mega-toggle::after { left: 10px; right: 10px; }
}

@media (max-width: 1024px) {
	:root { --dn-header-h: 64px; }
	.dn-header-inner { justify-content: space-between; }
	.dn-header-actions { gap: 8px; }
	.dn-header-cta { display: none; }

	.dn-header-call, .dn-nav-toggle {
		display: grid; place-items: center; width: 44px; height: 44px; padding: 0;
		border: 1px solid var(--dn-border); border-radius: var(--dn-r-md); background: #fff; color: var(--dn-heading); cursor: pointer;
	}
	.dn-header-call { border-color: transparent; background: var(--dn-blue-soft); color: var(--dn-blue); }
	.dn-header-call .dn-icon { width: 20px; height: 20px; }
	.dn-burger { position: relative; display: block; width: 20px; height: 14px; }
	.dn-burger span { position: absolute; left: 0; width: 100%; height: 2px; border-radius: 2px; background: currentColor; transition: transform var(--dn-ease), opacity var(--dn-ease), top var(--dn-ease), width var(--dn-ease); }
	.dn-burger span:nth-child(1) { top: 0; }
	.dn-burger span:nth-child(2) { top: 6px; }
	.dn-burger span:nth-child(3) { top: 12px; width: 65%; }
	.dn-nav-toggle[aria-expanded="true"] .dn-burger span:nth-child(1) { top: 6px; transform: rotate(45deg); }
	.dn-nav-toggle[aria-expanded="true"] .dn-burger span:nth-child(2) { opacity: 0; }
	.dn-nav-toggle[aria-expanded="true"] .dn-burger span:nth-child(3) { top: 6px; width: 100%; transform: rotate(-45deg); }

	/* Lớp phủ + menu trượt từ phải */
	.dn-nav-overlay {
		display: block; position: fixed; inset: 0; z-index: 1;
		background: rgba(9, 14, 23, .55); opacity: 0; visibility: hidden;
		transition: opacity var(--dn-ease), visibility 0s linear 220ms;
	}
	body.dn-nav-open .dn-nav-overlay { opacity: 1; visibility: visible; transition: opacity var(--dn-ease); }
	.dn-nav {
		position: fixed; top: 0; right: 0; bottom: 0; z-index: 2;
		display: flex; flex-direction: column; width: min(400px, 88vw); height: auto;
		overflow-y: auto; overscroll-behavior: contain; background: #fff;
		box-shadow: -24px 0 48px rgba(15, 23, 42, .18);
		transform: translateX(100%); visibility: hidden;
		transition: transform 280ms cubic-bezier(.4, 0, .2, 1), visibility 0s linear 280ms;
	}
	.dn-nav.is-open { transform: none; visibility: visible; transition: transform 280ms cubic-bezier(.4, 0, .2, 1); }
	.admin-bar .dn-nav, .admin-bar .dn-nav-overlay { top: 32px; }

	.dn-drawer-head {
		position: sticky; top: 0; z-index: 1; display: flex; flex: 0 0 auto; align-items: center; justify-content: space-between;
		min-height: var(--dn-header-h); padding: 0 16px 0 20px; border-bottom: 1px solid var(--dn-border); background: #fff;
	}
	.dn-logo-drawer img { width: 132px; }
	.dn-nav-close { display: grid; place-items: center; width: 42px; height: 42px; padding: 0; border: 0; border-radius: var(--dn-r-md); background: var(--dn-bg-subtle); color: var(--dn-heading); cursor: pointer; }
	.dn-nav-close .dn-icon { width: 20px; height: 20px; }

	.dn-menu { display: block; flex: 0 0 auto; height: auto; padding: 8px 20px 16px; }
	.dn-menu-item { position: relative; display: block; border-bottom: 1px solid var(--dn-border); }
	.dn-menu-item:last-child { border-bottom: 0; }
	.dn-menu-item > a, .dn-mega-toggle { display: flex; width: 100%; justify-content: space-between; min-height: 54px; padding: 0 2px; color: var(--dn-heading); font-size: 17px; }
	.dn-menu-item > a::after, .dn-mega-toggle::after { display: none; }
	.dn-menu-item.is-active > a, .dn-menu-item.is-active > .dn-mega-toggle { color: var(--dn-blue); }
	.dn-menu-item.is-active::before { content: ""; position: absolute; left: -20px; top: 14px; height: 26px; width: 4px; border-radius: 0 4px 4px 0; background: var(--dn-blue); }
	.dn-mega-toggle .dn-icon { width: 20px; height: 20px; color: var(--dn-muted); }
	.has-mega:hover .dn-mega-toggle .dn-icon { transform: none; }
	.has-mega.is-open .dn-mega-toggle .dn-icon { transform: rotate(180deg); color: var(--dn-blue); }

	.dn-mega {
		position: static; display: none; grid-template-columns: 1fr; gap: 14px; width: auto; padding: 0 0 16px;
		border: 0; border-radius: 0; box-shadow: none; opacity: 1; visibility: visible; transform: none; transition: none;
	}
	.has-mega:hover .dn-mega, .has-mega:focus-within .dn-mega, .has-mega.is-open .dn-mega { transform: none; }
	.has-mega:not(.is-open) .dn-mega { display: none; }
	.has-mega.is-open .dn-mega { display: grid; }
	.dn-mega-title { margin: 4px 0 6px; font-size: 12px; }
	.dn-mega-col a { padding: 8px 6px; }
	.dn-mega-icon { width: 36px; height: 36px; }
	.dn-mega-all { margin: 6px 6px 0; font-size: 14px; }
	.dn-mega-promo { display: none; }

	.dn-drawer-foot { display: grid; gap: 14px; margin-top: auto; padding: 20px 20px calc(20px + env(safe-area-inset-bottom)); border-top: 1px solid var(--dn-border); background: var(--dn-bg-subtle); }
	.dn-drawer-label { color: var(--dn-muted); font-size: 12px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; }
	.dn-drawer-contacts { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
	.dn-drawer-contact { display: flex; align-items: center; gap: 10px; min-width: 0; padding: 12px 10px; border: 1px solid var(--dn-border); border-radius: var(--dn-r-md); background: #fff; color: var(--dn-heading); font-size: 14px; font-weight: 700; line-height: 1.2; }
	.dn-drawer-contact small { display: block; margin-bottom: 2px; color: var(--dn-muted); font-size: 12px; font-weight: 500; }
	.dn-drawer-ic { display: grid; place-items: center; flex: 0 0 auto; width: 34px; height: 34px; border-radius: 50%; color: #fff; }
	.dn-drawer-ic .dn-icon { width: 17px; height: 17px; }
	.dn-drawer-ic.is-call { background: #15803d; }
	.dn-drawer-ic.is-zalo { background: var(--dn-blue); }
	.dn-drawer-social { display: flex; align-items: center; gap: 10px; min-width: 0; color: var(--dn-muted); font-size: 14px; }
	.dn-drawer-social a { display: grid; place-items: center; flex: 0 0 auto; width: 38px; height: 38px; border: 1px solid var(--dn-border); border-radius: 50%; background: #fff; color: var(--dn-text-2); }
	.dn-drawer-social a:hover { border-color: var(--dn-blue); color: var(--dn-blue); }
	.dn-drawer-social .dn-icon { width: 18px; height: 18px; }
	.dn-drawer-social span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
}

@media (max-width: 782px) {
	.admin-bar .dn-header { top: 46px; }
	.admin-bar .dn-nav, .admin-bar .dn-nav-overlay { top: 46px; }
}

@media (max-width: 680px) {
	.dn-logo img { width: 136px; }
}

@media (max-width: 360px) {
	.dn-header-call { display: none; }
}

/* ---------- Hero ---------- */

.dn-hero {
	position: relative; overflow: hidden;
	padding: 96px 0 64px;
	background-color: var(--dn-hero);
	background-image:
		radial-gradient(ellipse 60% 55% at 50% 0%, rgba(0, 98, 255, .35), transparent 70%),
		radial-gradient(ellipse 40% 40% at 88% 85%, rgba(255, 102, 0, .16), transparent 70%),
		linear-gradient(rgba(148, 163, 184, .07) 1px, transparent 1px),
		linear-gradient(90deg, rgba(148, 163, 184, .07) 1px, transparent 1px);
	background-size: auto, auto, 56px 56px, 56px 56px;
	color: var(--dn-on-dark);
	text-align: center;
}
.dn-hero::after {
	content: ""; position: absolute; left: -10%; right: -10%; bottom: -1px; height: 120px; pointer-events: none;
	background: radial-gradient(ellipse 50% 100% at 50% 100%, rgba(0, 210, 255, .14), transparent 70%);
}
.dn-hero.is-compact { padding: 64px 0 48px; }
.dn-hero-inner { position: relative; z-index: 1; display: flex; flex-direction: column; align-items: center; }

.dn-crumbs { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-bottom: 18px; color: var(--dn-on-dark-3); font-size: 14px; }
.dn-crumbs a { color: var(--dn-on-dark-2); }
.dn-crumbs a:hover { color: #fff; }
.dn-crumbs [aria-current] { color: #fff; }
.dn-page-header .dn-crumbs { justify-content: flex-start; color: var(--dn-muted); }
.dn-page-header .dn-crumbs a { color: var(--dn-blue); }
.dn-page-header .dn-crumbs [aria-current] { color: var(--dn-muted); }

.dn-hero-badge {
	display: inline-flex; align-items: center; gap: 10px; margin-bottom: 22px;
	padding: 6px 18px; border-radius: var(--dn-r-pill);
	background: rgba(255, 255, 255, .1); color: #93c5fd; font-size: 15px; font-weight: 500;
}
.dn-pulse { position: relative; width: 8px; height: 8px; border-radius: 50%; background: #22c55e; }
.dn-pulse::after { content: ""; position: absolute; inset: -4px; border-radius: 50%; border: 2px solid rgba(34, 197, 94, .5); animation: dn-pulse 1.8s ease-out infinite; }
@keyframes dn-pulse { from { transform: scale(.6); opacity: 1; } to { transform: scale(1.6); opacity: 0; } }

.dn-hero-title {
	max-width: 1040px; color: #fff;
	font-size: 44px; font-weight: 700; line-height: 1.22; letter-spacing: -.03em; text-transform: uppercase;
}
.dn-hero-title.is-normal { text-transform: none; font-size: 38px; }
.dn-hero-title span { background: var(--dn-grad-text); -webkit-background-clip: text; background-clip: text; color: transparent; }
.dn-hero-sub { max-width: 860px; margin-top: 20px; color: var(--dn-on-dark-2); font-size: 17px; line-height: 1.6; }
.dn-hero-ctas { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; margin-top: 32px; }
.dn-guarantees { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-top: 28px; list-style: none; }
.dn-guarantees li {
	display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px;
	border-radius: var(--dn-r-pill); background: rgba(255, 255, 255, .08); color: #e2e8f0; font-size: 15px; font-weight: 500;
}
.dn-guarantees .dn-icon { width: 18px; height: 18px; color: #4ade80; }

/* ---------- Section ---------- */

.dn-section { padding: 72px 0; background: var(--dn-bg); }
.dn-section.is-alt { background: var(--dn-bg-subtle); }
.dn-section-head { max-width: 860px; margin: 0 auto 44px; text-align: center; }
.dn-eyebrow {
	display: inline-flex; align-items: center; gap: 8px; margin-bottom: 14px;
	padding: 4px 14px; border-radius: var(--dn-r-pill);
	background: var(--dn-blue-tint); color: var(--dn-blue); font-size: 14px; font-weight: 600; letter-spacing: .05em; text-transform: uppercase;
}
.dn-eyebrow.is-light { background: rgba(255, 255, 255, .16); color: #fff; }
.dn-section-title { color: var(--dn-heading); font-size: 32px; font-weight: 700; line-height: 1.28; letter-spacing: -.02em; }
.dn-section-desc { margin-top: 12px; color: var(--dn-muted); font-size: 16px; line-height: 1.6; }

/* Chỉ số */
.dn-stats { padding: 24px 0; }
.dn-hero + .dn-stats { position: relative; z-index: 2; margin-top: -40px; padding-top: 0; background: transparent; }
.dn-stats-row { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.dn-stat {
	display: flex; flex-direction: column; align-items: center; gap: 4px; padding: 22px 16px;
	border: 1px solid var(--dn-border); border-radius: var(--dn-r-md); background: #fff; text-align: center;
	box-shadow: 0 12px 32px rgba(15, 23, 42, .06);
}
.dn-stat-num { color: var(--dn-blue-deep); font-size: 30px; font-weight: 700; line-height: 1.15; }
.dn-stat-label { color: var(--dn-heading); font-size: 16px; font-weight: 600; line-height: 1.35; }
.dn-stat-sub { color: var(--dn-muted); font-size: 14px; line-height: 1.35; }

/* Danh sách tích */
.dn-check-list { display: grid; gap: 10px; list-style: none; }
.dn-check-list li { display: flex; align-items: flex-start; gap: 10px; color: var(--dn-text-2); font-size: 15px; font-weight: 500; line-height: 1.5; }
.dn-check-list .dn-icon { width: 18px; height: 18px; margin-top: 2px; color: var(--dn-green); }

/* Dịch vụ */
.dn-services-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; }
.dn-service-card {
	display: flex; flex-direction: column; padding: 28px 24px; border-radius: var(--dn-r-lg);
	transition: transform var(--dn-ease), box-shadow var(--dn-ease);
}
.dn-service-card:hover { transform: translateY(-4px); box-shadow: 0 16px 36px rgba(15, 23, 42, .08); }
.tone-blue { background: var(--dn-tone-blue); }
.tone-orange { background: var(--dn-tone-orange); }
.tone-green { background: var(--dn-tone-green); }
.tone-sky { background: var(--dn-tone-sky); }
.tone-rose { background: var(--dn-tone-rose); }
.tone-violet { background: var(--dn-tone-violet); }
.dn-service-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; }
.dn-service-tag { padding: 3px 10px; border-radius: var(--dn-r-pill); background: rgba(255, 255, 255, .9); color: var(--dn-blue-deep); font-size: 12px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; }
.dn-service-idx { color: var(--dn-muted); font-size: 14px; font-weight: 700; }
.dn-service-icon { display: grid; place-items: center; width: 52px; height: 52px; margin-bottom: 16px; border-radius: 14px; background: #fff; color: var(--dn-blue); }
.dn-service-icon .dn-icon { width: 26px; height: 26px; }
.tone-orange .dn-service-icon, .tone-orange .dn-mega-icon { color: var(--dn-orange-text); }
.tone-green .dn-service-icon, .tone-green .dn-mega-icon { color: var(--dn-green-text); }
.dn-service-title { font-size: 20px; font-weight: 700; letter-spacing: -.01em; }
.dn-service-title a { color: var(--dn-heading); }
.dn-service-title a:hover { color: var(--dn-blue); }
.dn-service-desc { margin: 10px 0 18px; color: var(--dn-text-2); font-size: 15px; line-height: 1.55; }
.dn-service-card .dn-check-list { margin-bottom: 22px; }
.dn-service-link { display: inline-flex; align-items: center; gap: 6px; margin-top: auto; padding: 12px 16px; border-radius: var(--dn-r-md); background: #fff; color: var(--dn-blue-deep); font-size: 15px; font-weight: 600; justify-content: center; }
.dn-service-link .dn-icon { width: 16px; height: 16px; transition: transform var(--dn-ease); }
.dn-service-link:hover .dn-icon { transform: translateX(3px); }

/* Bảng giá */
.dn-pricing-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; align-items: stretch; }
.dn-price-card {
	position: relative; display: flex; flex-direction: column; padding: 36px 26px 28px;
	border: 1.5px solid transparent; border-radius: var(--dn-r-xl); background: var(--dn-bg-subtle);
}
.is-alt .dn-price-card { background: #fff; border-color: var(--dn-border); }
.dn-price-card.is-featured { border-color: var(--dn-blue); background: #fff; box-shadow: 0 20px 44px rgba(0, 98, 255, .14); }
.dn-price-ribbon {
	position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
	padding: 4px 16px; border-radius: var(--dn-r-pill); background: var(--dn-blue); color: #fff;
	font-size: 13px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; white-space: nowrap;
}
.dn-plan-name { color: var(--dn-heading); font-size: 18px; font-weight: 700; text-transform: uppercase; letter-spacing: .02em; }
.dn-plan-tagline { min-height: 66px; margin-top: 8px; color: var(--dn-muted); font-size: 14px; line-height: 1.55; }
.dn-plan-price { margin-top: 18px; color: var(--dn-blue-deep); font-size: 32px; font-weight: 700; line-height: 1.1; letter-spacing: -.02em; }
.dn-plan-price small { font-size: 20px; }
.dn-plan-cycle { margin: 8px 0 22px; padding-bottom: 22px; border-bottom: 1px dashed var(--dn-border-strong); color: var(--dn-muted); font-size: 13px; }
.dn-price-card .dn-check-list { margin-bottom: 28px; }
.dn-price-card .dn-btn { margin-top: auto; }

/* Bảng so sánh */
.dn-table-wrap { position: relative; overflow-x: auto; border: 1px solid var(--dn-border); border-radius: var(--dn-r-xl); background: #fff; }
.dn-compare-table { width: 100%; min-width: 760px; border-collapse: collapse; font-size: 15px; }
.dn-compare-table th, .dn-compare-table td { padding: 16px 18px; border-bottom: 1px solid var(--dn-border); text-align: center; vertical-align: middle; }
.dn-compare-table thead th { background: var(--dn-bg-subtle); color: var(--dn-heading); font-weight: 700; }
.dn-compare-table thead th span { display: block; color: var(--dn-blue-deep); font-size: 14px; font-weight: 600; }
.dn-compare-table tbody th { color: var(--dn-text-2); font-weight: 600; text-align: left; }
.dn-compare-table thead th:first-child { text-align: left; }
.dn-compare-table .is-featured { background: var(--dn-blue-soft); }
.dn-compare-table thead .is-featured { background: var(--dn-blue); color: #fff; }
.dn-compare-table thead .is-featured span { color: #fff; }
.dn-compare-table tr:last-child > * { border-bottom: 0; }
.dn-cell-yes { display: inline-grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; background: var(--dn-tone-green); color: var(--dn-green-text); }
.dn-cell-yes .dn-icon { width: 16px; height: 16px; }
.dn-cell-no { color: var(--dn-border-strong); font-weight: 700; }

/* Quy trình */
.dn-workflow { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 18px; list-style: none; counter-reset: step; }
.dn-step { position: relative; padding: 28px 18px; border-radius: var(--dn-r-lg); background: #fff; border: 1px solid var(--dn-border); text-align: center; }
.dn-section:not(.is-alt) .dn-step { background: var(--dn-bg-subtle); border-color: transparent; }
.dn-step-badge { display: inline-grid; place-items: center; width: 44px; height: 44px; margin-bottom: 14px; border-radius: 50%; background: #e0e7ff; color: #0129ef; font-size: 16px; font-weight: 700; }
.dn-step-name { font-size: 17px; font-weight: 700; line-height: 1.35; }
.dn-step-sub { margin-top: 8px; color: var(--dn-muted); font-size: 14px; line-height: 1.5; }

/* So sánh năng lực */
.dn-compare-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.dn-compare-col { padding: 32px; border-radius: var(--dn-r-xl); border: 1px solid var(--dn-border); background: #fff; }
.dn-compare-col.is-good { border: 1.5px solid var(--dn-blue); box-shadow: 0 20px 44px rgba(0, 98, 255, .1); }
.dn-compare-title { display: flex; flex-direction: column; align-items: flex-start; gap: 10px; margin-bottom: 22px; font-size: 22px; font-weight: 700; }
.dn-compare-badge { padding: 3px 12px; border-radius: var(--dn-r-pill); font-size: 12px; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; }
.is-bad .dn-compare-badge { background: #fef2f2; color: #b91c1c; }
.is-good .dn-compare-badge { background: var(--dn-blue-tint); color: var(--dn-blue); }
.dn-compare-list { display: grid; gap: 14px; list-style: none; }
.dn-compare-list li { display: flex; gap: 12px; align-items: flex-start; }
.dn-compare-icon { width: 24px; height: 24px; flex: 0 0 auto; }
.is-bad .dn-compare-icon { color: var(--dn-red); }
.is-good .dn-compare-icon { color: var(--dn-green); }
.dn-compare-list strong { display: block; color: var(--dn-heading); font-size: 16px; line-height: 1.35; }
.dn-compare-list span span, .dn-compare-list li > span { color: var(--dn-muted); font-size: 15px; line-height: 1.45; }

/* Dự án & bài viết */
.dn-portfolio-grid, .dn-posts-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px; }
.dn-project-card, .dn-post-card {
	display: flex; flex-direction: column; overflow: hidden;
	border: 1px solid var(--dn-border); border-radius: var(--dn-r-xl); background: #fff;
	transition: transform var(--dn-ease), box-shadow var(--dn-ease);
}
.dn-project-card:hover, .dn-post-card:hover { transform: translateY(-4px); box-shadow: 0 18px 40px rgba(15, 23, 42, .1); }
.dn-project-card.is-hidden { display: none; }
.dn-card-thumb { display: block; aspect-ratio: 16 / 10; overflow: hidden; background: var(--dn-blue-soft); }
.dn-card-thumb img { width: 100%; height: 100%; object-fit: cover; object-position: top center; transition: transform .4s ease; }
.dn-project-card:hover .dn-card-thumb img, .dn-post-card:hover .dn-card-thumb img { transform: scale(1.04); }
.dn-thumb-empty { display: grid; place-items: center; height: 100%; color: var(--dn-blue-deep); font-weight: 700; }
.dn-card-body { flex: 1; padding: 22px 24px 8px; }
.dn-card-tag { display: inline-block; margin-bottom: 10px; padding: 2px 10px; border-radius: var(--dn-r-pill); background: var(--dn-blue-tint); color: var(--dn-blue); font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; }
.dn-card-title { font-size: 18px; font-weight: 700; line-height: 1.45; letter-spacing: -.01em; }
.dn-card-title a { color: var(--dn-heading); }
.dn-card-title a:hover { color: var(--dn-blue); }
.dn-card-excerpt { margin-top: 10px; color: var(--dn-muted); font-size: 15px; line-height: 1.55; }
.dn-card-footer { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 16px 24px 22px; }
.dn-card-footer time { color: var(--dn-muted); font-size: 14px; }
.dn-btn-card { flex: 1; display: inline-flex; justify-content: center; align-items: center; gap: 6px; padding: 10px 12px; border-radius: var(--dn-r-md); background: var(--dn-bg-subtle); color: var(--dn-heading); font-size: 14px; font-weight: 600; }
.dn-btn-card:hover { background: var(--dn-blue-soft); color: var(--dn-blue); }
.dn-btn-card.is-live { background: var(--dn-blue); color: #fff; }
.dn-btn-card.is-live:hover { background: var(--dn-blue-hover); color: #fff; }
.dn-btn-card .dn-icon { width: 15px; height: 15px; }
.dn-card-more { display: inline-flex; align-items: center; gap: 6px; font-size: 15px; font-weight: 600; }
.dn-card-more .dn-icon { width: 16px; height: 16px; }

.dn-filter { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-bottom: 24px; }
.dn-filter-section { padding: 28px 0 0; }
.dn-filter-section .dn-filter { margin-bottom: 0; }
.dn-filter-pill {
	padding: 8px 18px; border: 1px solid var(--dn-border); border-radius: var(--dn-r-pill); background: #fff;
	color: var(--dn-text-2); font-size: 15px; font-weight: 600; cursor: pointer; transition: all var(--dn-ease);
}
.dn-filter-pill:hover { border-color: var(--dn-blue); color: var(--dn-blue); }
.dn-filter-pill.is-active { border-color: var(--dn-blue); background: var(--dn-blue); color: #fff; }
.dn-count { margin-bottom: 20px; color: var(--dn-muted); font-size: 15px; text-align: center; }
.dn-pagination { display: flex; justify-content: center; gap: 8px; margin-top: 40px; }
.dn-pagination .page-numbers { display: grid; place-items: center; min-width: 42px; height: 42px; padding: 0 12px; border: 1px solid var(--dn-border); border-radius: var(--dn-r-md); background: #fff; color: var(--dn-text-2); font-weight: 600; }
.dn-pagination .current { border-color: var(--dn-blue); background: var(--dn-blue); color: #fff; }

/* Bài phân tích (editorial) */
.dn-editorial { padding: 40px 44px; border: 1px solid var(--dn-border); border-radius: var(--dn-r-xl); background: #fff; }
.dn-editorial-head { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.dn-chip { padding: 4px 12px; border-radius: var(--dn-r-pill); background: var(--dn-blue); color: #fff; font-size: 13px; font-weight: 600; }
.dn-chip.is-soft { background: var(--dn-blue-tint); color: var(--dn-blue); }
.dn-editorial h2 { margin-bottom: 16px; font-size: 26px; font-weight: 700; letter-spacing: -.01em; }
.dn-editorial p { margin-bottom: 14px; color: var(--dn-text-2); font-size: 17px; line-height: 1.75; }
.dn-editorial .dn-check-list { margin: 20px 0 4px; }
.dn-editorial-foot { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; margin-top: 28px; padding-top: 24px; border-top: 1px solid var(--dn-border); color: var(--dn-heading); font-weight: 600; }

/* FAQ */
.dn-faq { display: grid; gap: 12px; }
.dn-faq-item { border: 1px solid var(--dn-border); border-radius: var(--dn-r-lg); background: #fff; }
.dn-faq-item[open] { border-color: var(--dn-blue); }
.dn-faq-item summary {
	display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 18px 22px;
	color: var(--dn-heading); font-size: 17px; font-weight: 600; line-height: 1.4; cursor: pointer; list-style: none;
}
.dn-faq-item summary::-webkit-details-marker { display: none; }
.dn-faq-arrow { width: 20px; height: 20px; color: var(--dn-blue); transition: transform var(--dn-ease); }
.dn-faq-item[open] .dn-faq-arrow { transform: rotate(180deg); }
.dn-faq-body { padding: 0 22px 20px; color: var(--dn-text-2); font-size: 16px; line-height: 1.7; }

/* Băng chuyển đổi + form */
.dn-conversion {
	display: grid; grid-template-columns: 1.15fr 1fr; gap: 48px; align-items: center;
	padding: 56px 48px; border-radius: var(--dn-r-xl); background: var(--dn-grad-blue); color: #fff;
}
.dn-conversion-left h2 { color: #fff; font-size: 32px; font-weight: 700; line-height: 1.28; letter-spacing: -.02em; }
.dn-conversion-left > p { margin-top: 14px; color: rgba(255, 255, 255, .88); font-size: 17px; line-height: 1.6; }
.dn-benefits { display: grid; gap: 12px; margin-top: 24px; list-style: none; }
.dn-benefits li { display: flex; gap: 10px; align-items: center; font-size: 16px; font-weight: 500; }
.dn-benefits .dn-icon { color: #bbf7d0; }
.dn-conversion-call { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.dn-conversion-call a { display: inline-flex; align-items: center; gap: 8px; padding: 10px 18px; border-radius: var(--dn-r-md); background: rgba(255, 255, 255, .16); color: #fff; font-weight: 700; }
.dn-conversion-call a:hover { background: rgba(255, 255, 255, .26); color: #fff; }
.dn-form-card { padding: 32px 30px; border-radius: var(--dn-r-xl); background: #fff; color: var(--dn-ink); box-shadow: 0 24px 48px rgba(0, 30, 90, .25); }
.dn-form-card h3 { margin-bottom: 18px; font-size: 21px; font-weight: 700; text-align: center; }

.dn-form { display: grid; gap: 14px; }
.dn-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.dn-field-group { display: grid; gap: 6px; }
.dn-label { color: var(--dn-text-2); font-size: 14px; font-weight: 600; }
.dn-field {
	width: 100%; min-height: 48px; padding: 12px 16px; border: 1.5px solid transparent; border-radius: 10px;
	background: var(--dn-field); color: var(--dn-heading); font-size: 16px; transition: border-color var(--dn-ease), background var(--dn-ease);
}
.dn-field:focus { outline: none; border-color: var(--dn-blue); background: #fff; box-shadow: 0 0 0 3px rgba(0, 98, 255, .15); }
textarea.dn-field { min-height: 96px; resize: vertical; }
.dn-form-hint { color: var(--dn-muted); font-size: 13px; text-align: center; }
.dn-form-note { padding: 12px 14px; border-radius: 10px; font-size: 15px; font-weight: 500; }
.dn-form-note.is-ok { background: var(--dn-tone-green); color: var(--dn-green-text); }
.dn-form-note.is-error { background: #fef2f2; color: #b91c1c; }

.dn-cta-band { padding: 56px 32px; border-radius: var(--dn-r-xl); background: var(--dn-hero); background-image: radial-gradient(ellipse 60% 80% at 50% 0%, rgba(0, 98, 255, .35), transparent 70%); text-align: center; color: #fff; }
.dn-cta-band h2 { color: #fff; font-size: 30px; font-weight: 700; }
.dn-cta-band p { max-width: 640px; margin: 12px auto 0; color: var(--dn-on-dark-2); }
.dn-cta-band .dn-hero-ctas { margin-top: 26px; }

/* Trang giới thiệu */
.dn-legal-card { padding: 32px; border: 1px solid var(--dn-border); border-radius: var(--dn-r-xl); background: #fff; box-shadow: 0 16px 40px rgba(15, 23, 42, .06); }
.dn-legal-head { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; margin-bottom: 16px; }
.dn-legal-tag, .dn-legal-verified { display: inline-flex; align-items: center; gap: 6px; padding: 4px 12px; border-radius: var(--dn-r-pill); font-size: 13px; font-weight: 600; }
.dn-legal-tag { background: var(--dn-blue-tint); color: var(--dn-blue); }
.dn-legal-verified { background: var(--dn-tone-green); color: var(--dn-green-text); }
.dn-legal-tag .dn-icon, .dn-legal-verified .dn-icon { width: 16px; height: 16px; }
.dn-legal-name { margin-bottom: 22px; font-size: 22px; font-weight: 700; }
.dn-legal-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.dn-legal-grid > div { display: grid; gap: 2px; padding: 16px 18px; border-radius: var(--dn-r-md); background: var(--dn-bg-subtle); }
.dn-legal-grid .is-wide { grid-column: 1 / -1; }
.dn-legal-grid span { color: var(--dn-muted); font-size: 13px; font-weight: 600; text-transform: uppercase; letter-spacing: .04em; }
.dn-legal-grid strong { color: var(--dn-heading); font-size: 16px; line-height: 1.45; }
.dn-legal-grid small { color: var(--dn-muted); font-size: 13px; }
.dn-legal-tax { font-size: 22px !important; letter-spacing: .04em; color: var(--dn-blue-deep) !important; }
.dn-values-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; }
.dn-value-card { padding: 28px 24px; border: 1px solid var(--dn-border); border-radius: var(--dn-r-lg); background: #fff; }
.dn-value-icon { display: grid; place-items: center; width: 52px; height: 52px; margin-bottom: 16px; border-radius: 14px; background: var(--dn-tone-orange); color: var(--dn-orange-text); }
.dn-value-icon .dn-icon { width: 26px; height: 26px; }
.dn-value-card h3 { font-size: 19px; font-weight: 700; }
.dn-value-card p { margin-top: 8px; color: var(--dn-muted); font-size: 15px; line-height: 1.6; }

/* Trang liên hệ */
.dn-channels { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.dn-channel { display: flex; flex-direction: column; gap: 8px; padding: 30px 26px; border: 1px solid var(--dn-border); border-radius: var(--dn-r-xl); background: #fff; }
.dn-channel-icon { display: grid; place-items: center; width: 52px; height: 52px; margin-bottom: 8px; border-radius: 14px; color: var(--dn-blue); }
.dn-channel-icon.tone-green { color: var(--dn-green-text); }
.dn-channel-icon.tone-orange { color: var(--dn-orange-text); }
.dn-channel h3 { font-size: 19px; font-weight: 700; }
.dn-channel-val { color: var(--dn-blue-deep); font-size: 20px; font-weight: 700; word-break: break-word; }
.dn-channel-val a { color: inherit; }
.dn-channel > p:not(.dn-channel-val) { color: var(--dn-muted); font-size: 15px; }
.dn-channel .dn-btn { margin-top: auto; min-height: 46px; padding: 10px 16px; font-size: 15px; }
.dn-contact-layout { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(300px, 1fr); gap: 32px; align-items: start; }
.dn-form-box { padding: 36px 34px; border: 1px solid var(--dn-border); border-radius: var(--dn-r-xl); background: #fff; }
.dn-form-box-title { font-size: 26px; font-weight: 700; }
.dn-form-box-sub { margin: 6px 0 22px; color: var(--dn-muted); }
.dn-sidebar { display: grid; gap: 24px; }
.dn-widget { padding: 26px 24px; border: 1px solid var(--dn-border); border-radius: var(--dn-r-xl); background: #fff; }
.dn-widget-title { margin-bottom: 16px; font-size: 18px; font-weight: 700; }
.dn-widget-cta { background: var(--dn-blue-soft); border-color: transparent; }
.dn-widget-cta p { margin-bottom: 16px; color: var(--dn-text-2); font-size: 15px; }
.dn-widget-cta .dn-btn + .dn-btn { margin-top: 10px; }
.dn-office { display: grid; gap: 16px; list-style: none; }
.dn-office li { display: flex; gap: 12px; color: var(--dn-text-2); font-size: 15px; line-height: 1.55; }
.dn-office .dn-icon { margin-top: 2px; color: var(--dn-blue); }
.dn-office strong { display: block; color: var(--dn-heading); }
.dn-map-section { padding-top: 0; }
.dn-map { overflow: hidden; border: 1px solid var(--dn-border); border-radius: var(--dn-r-xl); }
.dn-map iframe { display: block; width: 100%; height: 380px; border: 0; }

/* Trang chính sách, bài viết */
.dn-page-header { padding: 56px 0 40px; background: var(--dn-bg-subtle); border-bottom: 1px solid var(--dn-border); }
.dn-page-header .dn-section-title { font-size: 36px; }
.dn-article-layout { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 40px; align-items: start; }
.dn-article-layout .dn-sidebar { position: sticky; top: calc(var(--dn-header-h) + 24px); }
.dn-entry { color: var(--dn-text-2); font-size: 17px; line-height: 1.8; overflow-wrap: break-word; }
.dn-entry > * + * { margin-top: 1.1em; }
.dn-entry h2 { margin-top: 1.8em; font-size: 26px; }
.dn-entry h3 { margin-top: 1.5em; font-size: 21px; }
.dn-entry ul, .dn-entry ol { padding-left: 1.4em; }
.dn-entry li + li { margin-top: .4em; }
.dn-entry a { text-decoration: underline; text-underline-offset: 3px; }
.dn-entry img { border-radius: var(--dn-r-md); }
.dn-entry table { width: 100%; border-collapse: collapse; }
.dn-entry td, .dn-entry th { padding: 10px; border: 1px solid var(--dn-border); }
.dn-entry-thumb { margin: 0 0 28px; }
.dn-entry-thumb img { width: 100%; border-radius: var(--dn-r-xl); }
.dn-recent { display: grid; gap: 14px; list-style: none; }
.dn-recent a { display: block; color: var(--dn-heading); font-size: 15px; font-weight: 600; line-height: 1.45; }
.dn-recent a:hover { color: var(--dn-blue); }
.dn-recent time { color: var(--dn-muted); font-size: 13px; }

/* Chi tiết dự án */
.dn-case-hero { padding: 56px 0 80px; text-align: left; }
.dn-case-hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr); gap: 56px; align-items: center; }
.dn-case-hero .dn-crumbs { justify-content: flex-start; }
.dn-case-hero .dn-hero-title.is-normal { font-size: 42px; }
.dn-case-hero .dn-hero-sub { font-size: 16px; }
.dn-case-hero .dn-hero-ctas { justify-content: flex-start; margin-top: 28px; }
.dn-case-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; padding: 0; list-style: none; }
.dn-case-chips li {
	display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px;
	border: 1px solid rgba(255, 255, 255, .12); border-radius: var(--dn-r-pill);
	background: rgba(255, 255, 255, .07); color: #e2e8f0; font-size: 14px; font-weight: 500;
}
.dn-case-chips .dn-icon { width: 16px; height: 16px; color: #60a5fa; }

.dn-mock { position: relative; }
.dn-mock.has-phone { padding: 0 40px 44px 0; }
.dn-mock-browser {
	margin: 0; overflow: hidden; border: 1px solid rgba(255, 255, 255, .1); border-radius: 14px;
	background: #fff; box-shadow: 0 30px 70px rgba(2, 6, 23, .5);
}
.dn-mock-bar { display: flex; align-items: center; gap: 6px; height: 34px; padding: 0 12px; background: #1e293b; }
.dn-mock-bar i { width: 10px; height: 10px; border-radius: 50%; background: #ef4444; }
.dn-mock-bar i:nth-child(2) { background: #f59e0b; }
.dn-mock-bar i:nth-child(3) { background: #22c55e; }
.dn-mock-bar span {
	flex: 0 1 60%; margin-left: 12px; padding: 0 12px; overflow: hidden;
	border-radius: 6px; background: rgba(255, 255, 255, .08);
	color: #94a3b8; font-size: 12px; line-height: 22px; white-space: nowrap; text-overflow: ellipsis;
}
.dn-mock-browser img { display: block; width: 100%; height: auto; aspect-ratio: 16 / 10; object-fit: cover; object-position: top; }
.dn-mock-phone {
	position: absolute; right: 0; bottom: 0; width: 23%; min-width: 112px; overflow: hidden;
	border: 6px solid #0f172a; border-radius: 26px; background: #0f172a;
	box-shadow: 0 24px 50px rgba(2, 6, 23, .6), 0 0 0 1px rgba(255, 255, 255, .14);
}
.dn-mock-phone img { display: block; width: 100%; height: auto; aspect-ratio: 390 / 844; object-fit: cover; object-position: top; border-radius: 20px; }

.dn-case-layout { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 56px; align-items: start; }
.dn-case-body > :first-child { margin-top: 0; }
.dn-case-body h2 { position: relative; padding-left: 18px; }
.dn-case-body h2::before { content: ""; position: absolute; left: 0; top: .2em; bottom: .2em; width: 4px; border-radius: 4px; background: var(--dn-grad-blue); }
.dn-case-aside { position: sticky; top: calc(var(--dn-header-h) + 24px); display: grid; gap: 16px; }
.dn-case-card { padding: 26px; border: 1px solid var(--dn-border); border-radius: var(--dn-r-xl); background: #fff; box-shadow: 0 12px 32px rgba(15, 23, 42, .06); }
.dn-case-card-title { margin-bottom: 8px; color: var(--dn-heading); font-size: 18px; font-weight: 700; }
.dn-case-facts > div { padding: 12px 0; border-bottom: 1px solid var(--dn-border); }
.dn-case-facts dt { display: flex; align-items: center; gap: 8px; color: var(--dn-muted); font-size: 13px; font-weight: 500; }
.dn-case-facts dt .dn-icon { width: 16px; height: 16px; color: var(--dn-blue); }
.dn-case-facts dd { margin: 2px 0 0; padding-left: 24px; color: var(--dn-heading); font-size: 15px; font-weight: 600; line-height: 1.5; }
.dn-case-facts a { color: var(--dn-blue); }
.dn-case-facts a:hover { text-decoration: underline; }
.dn-case-label { margin: 14px 0 10px; color: var(--dn-muted); font-size: 13px; font-weight: 500; }
.dn-case-tags { display: flex; flex-wrap: wrap; gap: 6px; padding: 0; list-style: none; }
.dn-case-tags li { padding: 4px 10px; border-radius: var(--dn-r-pill); background: var(--dn-blue-soft); color: var(--dn-blue-deep); font-size: 13px; font-weight: 500; }
.dn-case-actions { display: grid; gap: 10px; margin-top: 22px; }
.dn-case-hotline { display: flex; align-items: center; gap: 14px; padding: 18px 22px; border-radius: var(--dn-r-xl); background: var(--dn-grad-orange); color: #fff; }
.dn-case-hotline:hover { color: #fff; box-shadow: 0 10px 24px rgba(255, 102, 0, .28); }
.dn-case-hotline .dn-icon { width: 44px; height: 44px; padding: 11px; border-radius: 50%; background: rgba(255, 255, 255, .2); }
.dn-case-hotline span { display: grid; font-size: 13px; line-height: 1.35; }
.dn-case-hotline b { font-size: 21px; font-weight: 700; }

.dn-feature-list { display: grid; gap: 64px; }
.dn-feature { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: 56px; align-items: center; }
.dn-feature:nth-child(even) figure { order: 2; }
.dn-feature:not(:has(figure)) { grid-template-columns: minmax(0, 1fr); max-width: var(--dn-narrow); }
.dn-feature .dn-mock-browser { border-color: var(--dn-border); box-shadow: 0 24px 50px rgba(15, 23, 42, .12); }
.dn-feature .dn-mock-browser img { aspect-ratio: auto; }
.dn-feature .dn-mock-bar { background: #e2e8f0; }
.dn-feature .dn-mock-bar span { background: #fff; color: var(--dn-muted); }
.dn-feature-body { color: var(--dn-text-2); font-size: 16px; line-height: 1.7; }
.dn-feature-body h3 { margin: 0 0 .6em; color: var(--dn-heading); font-size: 24px; line-height: 1.3; }
.dn-feature-body .dn-step-badge + h3 { margin-top: 4px; }
.dn-feature-body p + p, .dn-feature-body p + ul, .dn-feature-body h3 + ul { margin-top: .7em; }
.dn-feature-body ul { display: grid; gap: 10px; padding: 0; list-style: none; }
.dn-feature-body li { position: relative; padding-left: 34px; }
.dn-feature-body li::before {
	content: ""; position: absolute; left: 0; top: 2px; width: 22px; height: 22px; border-radius: 50%;
	background: var(--dn-tone-green) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2316a34a' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center / 13px no-repeat;
}

.dn-case-nav { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin-bottom: 72px; }
.dn-case-nav a {
	display: grid; gap: 4px; padding: 18px 22px; border: 1px solid var(--dn-border); border-radius: var(--dn-r-lg);
	color: var(--dn-heading); font-weight: 600; line-height: 1.4; transition: border-color var(--dn-ease), color var(--dn-ease);
}
.dn-case-nav a:hover { border-color: var(--dn-blue); color: var(--dn-blue); }
.dn-case-nav small { color: var(--dn-muted); font-size: 13px; font-weight: 500; }
.dn-case-nav .is-next { grid-column: 2; text-align: right; }

@media (max-width: 1024px) {
	.dn-case-hero-grid, .dn-case-layout { grid-template-columns: 1fr; gap: 40px; }
	.dn-mock { width: 100%; max-width: 680px; margin-inline: auto; }
	.dn-case-aside { position: static; }
	.dn-feature { gap: 32px; }
}
@media (max-width: 680px) {
	.dn-case-hero { padding: 40px 0 56px; }
	.dn-case-hero .dn-hero-title.is-normal { font-size: 28px; }
	.dn-mock.has-phone { padding: 0 22px 30px 0; }
	.dn-mock-phone { width: 27%; min-width: 0; border-width: 4px; border-radius: 18px; }
	.dn-mock-phone img { border-radius: 14px; }
	.dn-case-card { padding: 22px 20px; }
	.dn-feature-list { gap: 44px; }
	.dn-feature { grid-template-columns: 1fr; gap: 22px; }
	.dn-feature:nth-child(even) figure { order: 0; }
	.dn-feature-body h3 { font-size: 20px; }
	.dn-case-nav { grid-template-columns: 1fr; margin-bottom: 52px; }
	.dn-case-nav .is-next { grid-column: auto; }
}

/* ---------- Footer ---------- */

.dn-footer { padding-top: 56px; background: var(--dn-footer); color: var(--dn-on-dark-2); font-size: 15px; }
.dn-footer a { color: #e2e8f0; }
.dn-footer a:hover { color: var(--dn-orange-end); }

/* Dải kêu gọi liên hệ */
.dn-footer-cta {
	position: relative; overflow: hidden; display: flex; align-items: center; justify-content: space-between; gap: 32px;
	padding: 36px 40px; border-radius: var(--dn-r-xl);
	background: linear-gradient(135deg, var(--dn-blue-deep) 0%, var(--dn-blue) 55%, var(--dn-sky) 130%); color: #fff;
}
.dn-footer-cta::after { content: ""; position: absolute; right: -60px; top: -80px; width: 260px; height: 260px; border-radius: 50%; background: rgba(255, 255, 255, .08); pointer-events: none; }
.dn-footer-kicker { margin-bottom: 6px; color: rgba(255, 255, 255, .8); font-size: 13px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; }
.dn-footer-cta h2 { max-width: 560px; color: #fff; font-size: 26px; line-height: 1.3; letter-spacing: -.01em; }
.dn-footer-cta p:last-child { margin-top: 8px; color: rgba(255, 255, 255, .88); }
.dn-footer-cta-actions { position: relative; z-index: 1; display: flex; flex-wrap: wrap; gap: 12px; flex: 0 0 auto; }
.dn-footer-cta .dn-btn { color: #fff; }
.dn-footer-cta .dn-btn-glass { background: rgba(255, 255, 255, .16); }
.dn-footer-cta .dn-btn-glass:hover { background: rgba(255, 255, 255, .26); }
/* Trang đã có form báo giá (#tu-van) ngay trên chân trang thì không lặp lại dải kêu gọi. */
body:has(#tu-van) .dn-footer-cta { display: none; }
body:has(#tu-van) .dn-footer { padding-top: 0; }

.dn-footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 48px; padding: 56px 0 48px; }
.dn-logo-footer { display: inline-block; margin-bottom: 18px; padding: 10px 14px; border-radius: var(--dn-r-md); background: #fff; }
.dn-logo-footer img { width: 160px; }
.dn-footer-name { color: #fff; font-size: 15px; font-weight: 700; line-height: 1.45; }
.dn-footer-intro { margin: 10px 0 18px; color: var(--dn-on-dark-2); line-height: 1.65; }
.dn-footer-contact { display: grid; gap: 10px; margin: 0; padding: 0; list-style: none; }
.dn-footer-contact li { display: flex; align-items: flex-start; gap: 10px; line-height: 1.5; }
.dn-footer-contact .dn-icon { flex: 0 0 auto; width: 18px; height: 18px; margin-top: 2px; color: var(--dn-orange-end); }
.dn-footer-contact a { font-weight: 600; }
.dn-footer-social { display: flex; gap: 10px; margin-top: 20px; }
.dn-footer-social a { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; background: rgba(255, 255, 255, .08); }
.dn-footer-social a:hover { background: var(--dn-blue); color: #fff; }
.dn-footer-social .dn-icon { width: 18px; height: 18px; }

.dn-footer-title { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; color: #fff; font-size: 15px; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; list-style: none; cursor: default; }
.dn-footer-title::-webkit-details-marker { display: none; }
.dn-footer-title .dn-icon { display: none; width: 20px; height: 20px; color: var(--dn-on-dark-3); transition: transform var(--dn-ease); }
.dn-footer-col ul { display: grid; gap: 11px; margin: 0; padding: 0; list-style: none; }
.dn-footer-col a { display: inline-block; color: var(--dn-on-dark-2); transition: color var(--dn-ease), transform var(--dn-ease); }
.dn-footer-col a:hover { color: var(--dn-orange-end); transform: translateX(3px); }

.dn-footer-bottom { padding-bottom: 66px; /* chừa chỗ cho nút liên hệ nổi */ border-top: 1px solid rgba(255, 255, 255, .06); background: var(--dn-footer-bottom); }
.dn-footer-bottom-inner {
	display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px 24px;
	padding-top: 18px; padding-bottom: 20px;
	color: var(--dn-on-dark); font-size: 13.5px;
}
.dn-footer-issued { color: #64748b; }
.dn-footer-mini { display: flex; gap: 18px; }
.dn-footer-mini a { color: var(--dn-on-dark-3); }

/* Nút liên hệ nổi */
.dn-floating { position: fixed; right: 20px; bottom: 20px; z-index: 60; display: flex; gap: 10px; }
.dn-float {
	display: inline-flex; align-items: center; gap: 8px; min-height: 46px; padding: 10px 18px;
	border-radius: var(--dn-r-pill); color: #fff; font-size: 15px; font-weight: 600;
	box-shadow: 0 10px 24px rgba(15, 23, 42, .22); transition: transform var(--dn-ease);
}
.dn-float:hover { transform: translateY(-3px); color: #fff; }
.dn-float .dn-icon { width: 18px; height: 18px; }
.dn-float.is-call { background: #15803d; }
.dn-float.is-zalo { background: var(--dn-blue); }
.dn-float.is-quote { background: var(--dn-grad-orange); }
.dn-float-short { display: none; }

@media (max-width: 1024px) {
	.dn-footer-cta { flex-direction: column; align-items: flex-start; gap: 22px; padding: 32px; }
	.dn-footer-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 36px 28px; }
	.dn-footer-company { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr 1fr; gap: 0 36px; }
	.dn-footer-company .dn-logo-footer, .dn-footer-company .dn-footer-name, .dn-footer-company .dn-footer-intro { grid-column: 1; }
	.dn-footer-company .dn-footer-contact { grid-column: 2; grid-row: 1 / span 3; align-self: start; }
	.dn-footer-company .dn-footer-social { grid-column: 1; }
}

@media (max-width: 680px) {
	.dn-footer { padding-top: 40px; padding-bottom: calc(56px + env(safe-area-inset-bottom)); }
	.dn-footer-cta { padding: 28px 20px; border-radius: var(--dn-r-lg); }
	.dn-footer-cta h2 { font-size: 21px; }
	.dn-footer-cta-actions, .dn-footer-cta .dn-btn { width: 100%; }

	.dn-footer-grid { grid-template-columns: 1fr; gap: 0; padding: 36px 0 20px; }
	.dn-footer-company { display: block; padding-bottom: 24px; border-bottom: 1px solid rgba(255, 255, 255, .08); }
	.dn-footer-contact { margin-top: 4px; }

	/* Cột link thành accordion */
	.dn-footer-col { border-bottom: 1px solid rgba(255, 255, 255, .08); }
	.dn-footer-title { min-height: 56px; margin: 0; cursor: pointer; }
	.dn-footer-title .dn-icon { display: block; }
	.dn-footer-col[open] .dn-footer-title .dn-icon { transform: rotate(180deg); }
	.dn-footer-col ul { grid-template-columns: 1fr 1fr; gap: 12px 16px; padding: 0 0 20px; }
	.dn-footer-col a:hover { transform: none; }

	.dn-footer-bottom { padding-bottom: 0; }
	.dn-footer-bottom-inner { flex-direction: column; align-items: flex-start; gap: 8px; padding-bottom: 18px; }
	.dn-footer-issued { display: block; }

	/* Thanh liên hệ dính đáy màn hình */
	.dn-floating { left: 0; right: 0; bottom: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; padding-bottom: env(safe-area-inset-bottom); background: #fff; box-shadow: 0 -6px 20px rgba(15, 23, 42, .1); }
	.dn-float { flex-direction: column; justify-content: center; gap: 3px; min-height: 56px; padding: 6px 4px; border-radius: 0; box-shadow: none; font-size: 12.5px; line-height: 1.2; }
	.dn-float:hover { transform: none; }
	.dn-float .dn-icon { width: 19px; height: 19px; }
	.dn-float-label { display: none; }
	.dn-float-short { display: block; }
}

/* ---------- Responsive ---------- */

@media (max-width: 1240px) {
	.dn-services-grid, .dn-pricing-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
	.dn-workflow { grid-template-columns: repeat(3, minmax(0, 1fr)); }
	.dn-values-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 1024px) {
	.dn-hero-title { font-size: 34px; }
	.dn-portfolio-grid, .dn-posts-grid, .dn-channels { grid-template-columns: repeat(2, minmax(0, 1fr)); }
	.dn-conversion, .dn-contact-layout, .dn-article-layout { grid-template-columns: 1fr; }
	.dn-article-layout .dn-sidebar { position: static; }
	.dn-stats-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 680px) {
	body { font-size: 15px; }
	.dn-container { padding: 0 16px; }
	.dn-hero { padding: 56px 0 72px; }
	.dn-hero.is-compact { padding: 44px 0 40px; }
	.dn-hero-title, .dn-hero-title.is-normal { font-size: 27px; }
	.dn-hero-sub { font-size: 15px; }
	.dn-hero-ctas { flex-direction: column; width: 100%; }
	.dn-hero-ctas .dn-btn { width: 100%; }
	.dn-guarantees li { font-size: 13px; }
	.dn-section { padding: 52px 0; }
	.dn-section-head { margin-bottom: 30px; }
	.dn-section-title, .dn-conversion-left h2 { font-size: 24px; }
	.dn-page-header .dn-section-title { font-size: 27px; }
	.dn-services-grid, .dn-pricing-grid, .dn-portfolio-grid, .dn-posts-grid, .dn-channels,
	.dn-values-grid, .dn-compare-grid, .dn-feature-list, .dn-legal-grid, .dn-form-row { grid-template-columns: 1fr; }
	.dn-workflow { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
	.dn-step { padding: 22px 12px; }
	.dn-stat-num { font-size: 24px; }
	.dn-plan-tagline { min-height: 0; }
	.dn-compare-col, .dn-legal-card { padding: 24px 20px; }
	.dn-conversion { padding: 32px 18px; gap: 28px; }
	.dn-form-card, .dn-form-box { padding: 24px 18px; }
	.dn-editorial { padding: 28px 20px; }
	.dn-editorial p { font-size: 16px; }
	.dn-cta-band { padding: 40px 18px; }
	.dn-cta-band h2 { font-size: 23px; }
}

@media (prefers-reduced-motion: reduce) {
	*, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}