/* =========================================================
   Company Theme — main stylesheet
   Bảng màu & phong cách lấy cảm hứng từ lav.vn (navy + đỏ nhấn)
   ========================================================= */

:root {
	--color-primary: #0E3C4C;
	--color-primary-dark: #092832;
	--color-accent: #ED4647;
	--color-accent-dark: #d43a3b;
	--color-text: #3A3A3A;
	--color-muted: #777777;
	--color-bg-light: #F5F5F5;
	--font-base: "Montserrat", Arial, Helvetica, sans-serif;
	--radius: 6px;
}

* {
	box-sizing: border-box;
}

body {
	font-family: var(--font-base);
	color: var(--color-text);
	line-height: 1.6;
}

a {
	text-decoration: none;
	transition: color .2s ease, background-color .2s ease, transform .2s ease;
}

h1, h2, h3, h4, h5 {
	font-family: var(--font-base);
	font-weight: 700;
	color: var(--color-primary);
}

img {
	max-width: 100%;
	display: block;
}

.bg-light {
	background-color: var(--color-bg-light);
}

/* Buttons */
.btn-accent {
	background-color: var(--color-accent);
	border-color: var(--color-accent);
	color: #fff;
	font-weight: 600;
	border-radius: var(--radius);
	padding: .65rem 1.5rem;
}
.btn-accent:hover {
	background-color: var(--color-accent-dark);
	border-color: var(--color-accent-dark);
	color: #fff;
}
.btn-outline-primary {
	color: var(--color-primary);
	border-color: var(--color-primary);
	font-weight: 600;
	border-radius: var(--radius);
	padding: .6rem 1.5rem;
}
.btn-outline-primary:hover {
	background-color: var(--color-primary);
	border-color: var(--color-primary);
	color: #fff;
}

/* Section heading */
.section {
	padding: 4rem 0;
}
.section-heading {
	margin-bottom: 2.5rem;
}
.section-heading__eyebrow {
	display: inline-block;
	color: var(--color-accent);
	font-weight: 600;
	text-transform: uppercase;
	letter-spacing: .08em;
	font-size: .85rem;
	margin-bottom: .5rem;
}
.section-heading h2 {
	font-size: 2rem;
	margin: 0;
}

/* =========================================================
   Top bar
   ========================================================= */
.topbar {
	background-color: var(--color-primary-dark);
	color: #fff;
	font-size: .85rem;
}
.topbar__inner {
	display: flex;
	justify-content: space-between;
	align-items: center;
	padding: .5rem 0;
	flex-wrap: wrap;
	gap: .5rem;
}
.topbar a {
	color: #fff;
	opacity: .9;
}
.topbar a:hover {
	opacity: 1;
	color: var(--color-accent);
}
.topbar__contact a {
	margin-right: 1.25rem;
}
.topbar__social a {
	margin-left: .75rem;
}

/* =========================================================
   Header / navigation
   ========================================================= */
.site-header {
	background-color: #fff;
	box-shadow: 0 2px 10px rgba(0, 0, 0, .06);
	z-index: 1030;
}
.site-logo-text {
	font-size: 1.4rem;
	font-weight: 800;
	color: var(--color-primary);
}
.navbar-brand img {
	max-height: 60px;
	width: auto;
}
.navbar .nav-link {
	color: var(--color-text);
	font-weight: 600;
	padding: 1.6rem .9rem !important;
	text-transform: uppercase;
	font-size: .88rem;
}
.navbar .nav-link:hover,
.navbar .nav-link:focus {
	color: var(--color-accent);
}
.navbar .dropdown-menu {
	border: none;
	border-radius: var(--radius);
	box-shadow: 0 10px 30px rgba(0, 0, 0, .12);
	padding: .5rem 0;
}
.navbar .dropdown-menu .nav-link {
	color: var(--color-text);
	padding: .55rem 1.25rem !important;
	text-transform: none;
	font-weight: 500;
}
.navbar .dropdown-menu .nav-link:hover {
	background-color: var(--color-bg-light);
	color: var(--color-accent);
}
@media (min-width: 992px) {
	.navbar .dropdown:hover > .dropdown-menu {
		display: block;
		margin-top: 0;
	}
}

.float-hotline {
	position: fixed;
	right: 1.5rem;
	bottom: 1.5rem;
	width: 56px;
	height: 56px;
	border-radius: 50%;
	background-color: var(--color-accent);
	color: #fff;
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 1.4rem;
	box-shadow: 0 6px 20px rgba(237, 70, 71, .5);
	z-index: 1040;
	animation: pulse 2s infinite;
}
@keyframes pulse {
	0% { box-shadow: 0 0 0 0 rgba(237, 70, 71, .5); }
	70% { box-shadow: 0 0 0 14px rgba(237, 70, 71, 0); }
	100% { box-shadow: 0 0 0 0 rgba(237, 70, 71, 0); }
}

/* =========================================================
   Hero
   ========================================================= */
.hero__slide {
	position: relative;
	min-height: 560px;
	background-color: var(--color-primary);
	background-size: cover;
	background-position: center;
	display: flex;
	align-items: center;
}
.hero__overlay {
	position: absolute;
	inset: 0;
	background: linear-gradient(90deg, rgba(14, 60, 76, .85) 0%, rgba(14, 60, 76, .45) 60%, rgba(14, 60, 76, .2) 100%);
}
.hero__content {
	position: relative;
	color: #fff;
	max-width: 640px;
}
.hero__content h1 {
	color: #fff;
	font-size: 2.75rem;
	font-weight: 800;
	margin-bottom: 1rem;
}
.hero__content p {
	font-size: 1.1rem;
	margin-bottom: 1.75rem;
	opacity: .95;
}
.hero .carousel-control-prev,
.hero .carousel-control-next {
	width: 5%;
}

/* =========================================================
   Why us
   ========================================================= */
.why-us__card {
	text-align: center;
	padding: 2rem 1.25rem;
	border-radius: var(--radius);
	background-color: #fff;
	box-shadow: 0 4px 20px rgba(0, 0, 0, .06);
	height: 100%;
	transition: transform .2s ease;
}
.why-us__card:hover {
	transform: translateY(-6px);
}
.why-us__icon {
	width: 70px;
	height: 70px;
	margin: 0 auto 1.25rem;
	border-radius: 50%;
	background-color: var(--color-primary);
	color: #fff;
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 1.6rem;
}
.why-us__card h3 {
	font-size: 1.1rem;
	margin-bottom: .75rem;
}
.why-us__card p {
	color: var(--color-muted);
	font-size: .92rem;
	margin: 0;
}

/* =========================================================
   Services — lĩnh vực hoạt động + chuyên mục dự án
   ========================================================= */
.activities {
	margin-bottom: 3rem;
}
.activity-card {
	text-align: center;
	padding: 2rem 1.25rem;
	height: 100%;
}
.activity-card__icon {
	width: 64px;
	height: 64px;
	margin: 0 auto 1.25rem;
	border-radius: 50%;
	background-color: rgba(14, 60, 76, .08);
	color: var(--color-primary);
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 1.6rem;
	transition: background-color .25s ease, color .25s ease;
}
.activity-card:hover .activity-card__icon {
	background-color: var(--color-accent);
	color: #fff;
}
.activity-card h3 {
	font-size: 1.05rem;
	margin-bottom: .6rem;
}
.activity-card p {
	color: var(--color-muted);
	font-size: .88rem;
	margin: 0;
}

.category-tile {
	display: block;
	color: inherit;
}
.category-tile:hover {
	color: inherit;
}
.category-tile__image {
	aspect-ratio: 1 / 1;
	overflow: hidden;
	border-radius: var(--radius);
	background-color: var(--color-bg-light);
	margin-bottom: 1rem;
}
.category-tile__image img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform .35s ease;
}
.category-tile:hover .category-tile__image img {
	transform: scale(1.06);
}
.category-tile__placeholder {
	width: 100%;
	height: 100%;
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 2rem;
	color: #ccc;
}
.category-tile h3 {
	font-size: 1rem;
	text-align: center;
	letter-spacing: .03em;
	margin: 0;
	transition: color .2s ease;
}
.category-tile:hover h3 {
	color: var(--color-accent);
}

/* =========================================================
   Process — card bo tròn kiểu LAV
   ========================================================= */
.process-card-outer {
	background-color: var(--color-bg-light);
	border: 1px solid #e5e7eb;
	border-radius: 1.5rem;
	padding: 1.5rem;
	margin-bottom: 2rem;
}
.process-card-outer--accent {
	background-color: var(--color-primary);
	border-color: var(--color-primary);
}
@media (min-width: 992px) {
	.process-card-outer {
		padding: 2.5rem;
	}
}
.process-card-outer__head {
	display: flex;
	flex-direction: column;
	margin-bottom: 2rem;
	gap: 1rem;
}
@media (min-width: 992px) {
	.process-card-outer__head {
		flex-direction: row;
		align-items: flex-end;
		justify-content: space-between;
	}
	.process-card-outer__head-left {
		max-width: 45%;
	}
	.process-card-outer__head-right {
		max-width: 45%;
	}
}
.process-card-outer__eyebrow {
	display: block;
	color: var(--color-accent);
	font-weight: 600;
	text-transform: uppercase;
	letter-spacing: .08em;
	font-size: .8rem;
	margin-bottom: .5rem;
}
.process-card-outer__title {
	font-size: 1.9rem;
	margin: 0;
	color: var(--color-primary);
}
.process-card-outer__title span {
	color: var(--color-accent);
}
.process-card-outer__head-right p {
	margin: 0;
	color: var(--color-muted);
}
.process-card-outer--accent .process-card-outer__title,
.process-card-outer--accent .process-card-outer__eyebrow {
	color: #fff;
}
.process-card-outer--accent .process-card-outer__title span {
	color: var(--color-accent);
}
.process-card-outer--accent .process-card-outer__head-right p {
	color: rgba(255, 255, 255, .8);
}

.process-step {
	height: 100%;
}
.process-step__image {
	display: flex;
	align-items: center;
	gap: .75rem;
	margin-bottom: 1rem;
}
.process-step__number {
	font-size: 2rem;
	font-weight: 800;
	color: rgba(14, 60, 76, .18);
	line-height: 1;
}
.process-card-outer--accent .process-step__number {
	color: rgba(255, 255, 255, .25);
}
.process-step__icon {
	width: 48px;
	height: 48px;
	border-radius: 50%;
	background-color: #fff;
	color: var(--color-accent);
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 1.3rem;
	flex-shrink: 0;
}
.process-step h3 {
	font-size: 1.05rem;
	margin-bottom: .5rem;
}
.process-card-outer--accent .process-step h3 {
	color: #fff;
}
.process-step p {
	color: var(--color-muted);
	font-size: .9rem;
	margin: 0;
}
.process-card-outer--accent .process-step p {
	color: rgba(255, 255, 255, .75);
}

/* =========================================================
   Project cards
   ========================================================= */
.project-card {
	display: block;
	background-color: #fff;
	border-radius: var(--radius);
	overflow: hidden;
	box-shadow: 0 4px 20px rgba(0, 0, 0, .06);
	height: 100%;
	color: inherit;
}
.project-card:hover {
	color: inherit;
}
.project-card:hover img {
	transform: scale(1.06);
}
.project-card__image {
	position: relative;
	overflow: hidden;
	aspect-ratio: 4 / 3;
	background-color: var(--color-bg-light);
}
.project-card__image img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform .35s ease;
}
.project-card__placeholder {
	width: 100%;
	height: 100%;
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 2.5rem;
	color: #ccc;
}
.project-card__badge {
	position: absolute;
	top: .75rem;
	left: .75rem;
	background-color: var(--color-accent);
	color: #fff;
	font-size: .75rem;
	font-weight: 600;
	padding: .3rem .75rem;
	border-radius: 999px;
}
.project-card__body {
	padding: 1.25rem;
}
.project-card__body h3 {
	font-size: 1.05rem;
	margin-bottom: .4rem;
}
.project-card__body p {
	color: var(--color-muted);
	font-size: .85rem;
	margin: 0;
}

.project-info-box {
	background-color: var(--color-bg-light);
	border-radius: var(--radius);
	padding: 1.75rem;
	position: sticky;
	top: 100px;
}
.project-info-box h3 {
	font-size: 1.1rem;
	margin-bottom: 1rem;
}
.project-info-box__list {
	list-style: none;
	padding: 0;
	margin: 0 0 1.5rem;
}
.project-info-box__list li {
	display: flex;
	justify-content: space-between;
	padding: .6rem 0;
	border-bottom: 1px solid #e5e5e5;
	font-size: .92rem;
}

/* =========================================================
   Blog / post cards
   ========================================================= */
.post-card {
	display: block;
	background-color: #fff;
	border-radius: var(--radius);
	overflow: hidden;
	box-shadow: 0 4px 20px rgba(0, 0, 0, .06);
	height: 100%;
	color: inherit;
}
.post-card:hover {
	color: inherit;
}
.post-card__image {
	aspect-ratio: 16 / 10;
	overflow: hidden;
	background-color: var(--color-bg-light);
}
.post-card__image img {
	width: 100%;
	height: 100%;
	object-fit: cover;
}
.post-card__placeholder {
	width: 100%;
	height: 100%;
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 2.5rem;
	color: #ccc;
}
.post-card__body {
	padding: 1.25rem;
}
.post-card__date {
	color: var(--color-accent);
	font-size: .8rem;
	font-weight: 600;
	text-transform: uppercase;
}
.post-card__body h3 {
	font-size: 1.05rem;
	margin: .5rem 0;
}
.post-card__body p {
	color: var(--color-muted);
	font-size: .88rem;
	margin: 0;
}

.post-meta {
	color: var(--color-muted);
	font-size: .88rem;
}
.post-meta__sep {
	margin: 0 .4rem;
}

/* =========================================================
   CTA — form nhận tư vấn
   ========================================================= */
.cta {
	background-color: var(--color-bg-light);
}
.cta__wrap {
	display: flex;
	flex-direction: column-reverse;
	gap: 2rem;
	background-color: #fff;
	border-radius: 1.25rem;
	padding: 1.5rem;
	box-shadow: 0 10px 40px rgba(0, 0, 0, .06);
}
@media (min-width: 992px) {
	.cta__wrap {
		flex-direction: row;
		padding: 2.5rem;
		gap: 2.5rem;
	}
}
.cta__form,
.cta__image {
	flex: 1 1 50%;
	min-width: 0;
}
.cta__form .form-control,
.cta__form .form-select {
	border-radius: var(--radius);
	border-color: #d9d9d9;
	padding: .75rem 1rem;
}
.cta__form .form-control:focus,
.cta__form .form-select:focus {
	border-color: var(--color-primary);
	box-shadow: 0 0 0 .2rem rgba(14, 60, 76, .12);
}
.cta__image {
	border-radius: var(--radius);
	overflow: hidden;
	aspect-ratio: 4 / 3;
	background-color: var(--color-bg-light);
}
.cta__image img {
	width: 100%;
	height: 100%;
	object-fit: cover;
}
.cta__image-placeholder {
	width: 100%;
	height: 100%;
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 3rem;
	color: #ccc;
}

/* =========================================================
   Partners — logo marquee
   ========================================================= */
.partners {
	overflow: hidden;
}
.partners__track-wrap {
	position: relative;
	overflow: hidden;
	background-color: var(--color-bg-light);
	padding: 2.5rem 0;
	-webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
	mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.partners__track {
	display: flex;
	align-items: center;
	gap: 3rem;
	width: max-content;
	animation: partners-scroll 30s linear infinite;
}
.partners__item {
	flex: 0 0 150px;
	aspect-ratio: 1 / 1;
	display: flex;
	align-items: center;
	justify-content: center;
}
.partners__item img {
	max-width: 100%;
	max-height: 100%;
	object-fit: contain;
	filter: grayscale(100%);
	opacity: .7;
	transition: filter .25s ease, opacity .25s ease;
}
.partners__item:hover img {
	filter: grayscale(0%);
	opacity: 1;
}
@keyframes partners-scroll {
	from { transform: translateX(0); }
	to { transform: translateX(-50%); }
}
@media (prefers-reduced-motion: reduce) {
	.partners__track {
		animation: none;
	}
}

/* =========================================================
   Category description (taxonomy archive — nội dung SEO)
   ========================================================= */
.category-description {
	max-width: 780px;
	margin: 0 auto 2.5rem;
	color: var(--color-text);
	line-height: 1.75;
}
.category-description h2,
.category-description h3 {
	font-size: 1.3rem;
	margin-top: 1.25rem;
}
.category-description ul,
.category-description ol {
	padding-left: 1.25rem;
}

/* =========================================================
   Category filter (taxonomy archive)
   ========================================================= */
.category-filter {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: .75rem;
}
.category-filter__item {
	padding: .5rem 1.25rem;
	border-radius: 999px;
	border: 1px solid #d9d9d9;
	color: var(--color-text);
	font-size: .9rem;
	font-weight: 500;
}
.category-filter__item:hover,
.category-filter__item.is-active {
	background-color: var(--color-primary);
	border-color: var(--color-primary);
	color: #fff;
}

/* =========================================================
   Inner page banner
   ========================================================= */
.page-banner {
	background-color: var(--color-primary);
	padding: 3.5rem 0;
	color: #fff;
	text-align: center;
}
.page-banner h1 {
	color: #fff;
	margin-bottom: .5rem;
}
.breadcrumb-nav {
	font-size: .9rem;
	opacity: .85;
}
.breadcrumb-nav a {
	color: #fff;
}
.breadcrumb-nav__sep {
	margin: 0 .5rem;
}

.page-content__thumbnail {
	border-radius: var(--radius);
	overflow: hidden;
	margin-bottom: 2rem;
}
.page-content__body {
	font-size: 1rem;
}
.page-content__body img {
	border-radius: var(--radius);
}

/* =========================================================
   Footer
   ========================================================= */
.site-footer {
	background-color: var(--color-primary-dark);
	color: rgba(255, 255, 255, .85);
	padding: 4rem 0 0;
}
.site-footer h1,
.site-footer h2,
.site-footer h3,
.site-footer h4,
.site-footer h5,
.site-footer h6 {
	color: #fff;
}
.footer-widget__title {
	color: #fff;
	font-size: 1rem;
	text-transform: uppercase;
	letter-spacing: .04em;
	margin-bottom: 1.25rem;
}
.footer-list {
	list-style: none;
	padding: 0;
	margin: 0;
}
.footer-list li {
	margin-bottom: .6rem;
	font-size: .9rem;
}
.footer-list a {
	color: rgba(255, 255, 255, .85);
}
.footer-list a:hover {
	color: var(--color-accent);
}
.footer-bottom {
	border-top: 1px solid rgba(255, 255, 255, .12);
	margin-top: 3rem;
	padding: 1.25rem 0;
	font-size: .85rem;
}
.footer-bottom__social a {
	color: #fff;
	margin-left: 1rem;
	font-size: 1.1rem;
}
.footer-bottom__social a:hover {
	color: var(--color-accent);
}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 991.98px) {
	.navbar .nav-link {
		padding: .6rem 0 !important;
	}
	.hero__slide {
		min-height: 420px;
	}
	.hero__content h1 {
		font-size: 2rem;
	}
	.section {
		padding: 2.75rem 0;
	}
}