:root {
  --red: #d92724;
  --red-dark: #a91617;
  --red-soft: #fff0ed;
  --ink: #141925;
  --navy: #151b2b;
  --muted: #68707d;
  --line: #dfe3e8;
  --paper: #fff;
  --mist: #f1f4f6;
  --container: 1200px;
}

.hidden {
  display: none;
}

.hidden-seoh {
  visibility: hidden;
  height: 0;
  margin: 0;
  overflow: hidden;
}

.site-main-inner {
  min-height: 420px;
}

.main-nav > .nav-item {
  position: relative;
  display: flex;
  align-items: center;
}

.main-nav > .nav-item > a {
  display: block;
}

.submenu-toggle {
  display: none;
  padding: 8px;
  border: 0;
  color: var(--ink);
  background: transparent;
}

.submenu {
  position: absolute;
  top: calc(100% + 18px);
  left: 0;
  z-index: 20;
  display: grid;
  width: 240px;
  padding: 8px 0;
  background: #fff;
  box-shadow: 0 16px 36px rgba(20, 25, 37, 0.16);
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.submenu a {
  padding: 11px 18px;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
  white-space: normal;
}

.submenu a:last-child {
  border-bottom: 0;
}

.has-submenu:hover > .submenu,
.has-submenu:focus-within > .submenu {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

@media (min-width: 981px) {
  .main-nav {
    align-self: stretch;
    height: 100%;
  }

  .main-nav > .nav-item {
    height: 100%;
  }

  .submenu {
    top: 100%;
    transform: none;
  }
}

.hero-banner a,
.hero-banner img {
  display: block;
  width: 100%;
}

.hero-banner img {
  height: clamp(390px, 39vw, 550px);
  object-fit: unset;
}

.section-description,
.about-description {
  color: var(--muted);
}

.section-description > :last-child,
.about-description > :last-child {
  margin-bottom: 0;
}

.pricing-section time {
  display: block;
  margin-top: 12px;
  color: var(--muted);
  font-size: 13px;
}

.pricing-content {
  overflow-x: auto;
}

.pricing-content table,
.article-body table {
  width: 100%;
  min-width: 720px;
  margin: 0;
  border-collapse: collapse;
}

.pricing-content th,
.pricing-content td,
.article-body th,
.article-body td {
  padding: 16px 14px;
  border: 1px solid #dde1e5;
  text-align: left;
}

.pricing-content thead th,
.article-body thead th {
  color: #fff;
  background: var(--red);
}

.section-action {
  margin-top: 30px;
  text-align: center;
}

.about-visual {
  overflow: hidden;
  border-radius: 0 0 18px 18px;
  box-shadow: 0 8px 20px rgba(21, 27, 43, 0.2);
}

.about-visual img {
  width: 100%;
  height: 502px;
  object-fit: cover;
}

.service-icon img {
  width: 48px;
  height: 48px;
  object-fit: contain;
}

.service-icon > i {
  font-size: 36px;
  line-height: 1;
}

.promo-banner {
  background: linear-gradient(105deg, rgba(21, 27, 43, 0.96) 0 48%, rgba(217, 39, 36, 0.91) 48%);
}

.promo-background {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.18;
}

.promo-inner {
  position: relative;
  z-index: 1;
}

.breadcrumb-shell {
  border-bottom: 1px solid #eceef1;
  background: #fff;
}

.breadcrumb-shell .breadcrumb {
  display: flex;
  min-height: 58px;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  background: transparent;
  font-size: 13px;
  list-style: none;
}

.breadcrumb-shell .breadcrumb-item {
  display: inline-flex;
  align-items: center;
  margin: 0;
  padding: 0;
}

.breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  margin-right: 8px;
  color: #9aa1ac;
}

.about-stats strong {
  display: inline-flex;
  align-items: baseline;
  gap: 2px;
  font-family: "Barlow Condensed", sans-serif;
  font-weight: 700;
  white-space: nowrap;
}

.about-stats strong .stat-number {
  color: inherit;
  font-size: inherit;
  line-height: inherit;
}

.about-stats div > span {
  color: var(--ink);
  font-size: 13px;
}

.service-card,
.service-card .service-icon,
.service-card .service-icon img,
.service-card .service-icon i,
.service-card h3,
.service-card > a {
  transition: transform .32s ease, color .32s ease, background-color .32s ease, box-shadow .32s ease, border-color .32s ease, filter .32s ease;
}

.service-card:hover {
  box-shadow: 0 22px 42px rgba(21, 27, 43, .2), 0 0 0 1px rgba(217, 39, 36, .14);
  transform: translateY(-10px) scale(1.015);
}

.service-card:hover .service-icon {
  color: #fff;
  background: var(--red);
  box-shadow: 0 12px 24px rgba(217, 39, 36, .28);
  transform: translateY(-5px) rotate(-4deg) scale(1.08);
}

.service-card:hover .service-icon img,
.service-card:hover .service-icon i {
  transform: rotate(4deg) scale(1.08);
}

.service-card:hover h3,
.service-card:hover > a,
.news-card:hover h3 a {
  color: var(--red);
}

.news-card h3 a {
  transition: color .25s ease;
}

.article-listing,
.static-page,
.contact-page {
  padding-top: 60px;
  padding-bottom: 90px;
}

.listing-header,
.static-header {
  max-width: 820px;
  margin-bottom: 42px;
}

.listing-header h1,
.static-header h1 {
  margin-bottom: 18px;
  font-family: "Barlow Condensed", sans-serif;
  font-size: clamp(40px, 5vw, 62px);
}

.listing-category-content {
  max-width: 100%;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.75;
  overflow-x: auto;
}

.listing-category-content > :last-child {
  margin-bottom: 0;
}

.listing-category-content img {
  max-width: 100%;
  height: auto;
}

.listing-grid h2 {
  margin: 9px 0 12px;
  font-size: 18px;
}

.listing-grid .news-card > div {
  padding: 22px 24px 26px;
}

.pagination-home {
  margin-top: 36px;
}

.pagination-home ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.pagination-home a,
.pagination-home span {
  display: grid;
  min-width: 40px;
  min-height: 40px;
  place-items: center;
  border: 1px solid var(--line);
}

.pagination-home .active a,
.pagination-home .active span {
  color: #fff;
  background: var(--red);
  border-color: var(--red);
}

.article-body {
  margin-top: 36px;
  overflow-x: auto;
  overflow-wrap: anywhere;
}

.article-body img,
.static-image img {
  width: auto;
  max-width: 100%;
  height: auto;
}

.article-body figure,
.static-image {
  margin: 28px auto;
  text-align: center;
}

.static-page {
  max-width: 1000px;
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: 48px;
}

.contact-form {
  display: grid;
  gap: 18px;
  padding: 32px;
  background: var(--mist);
}

.contact-form label {
  display: grid;
  gap: 8px;
  color: var(--ink);
  font-size: 13px;
  font-weight: 600;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 13px 14px;
  border: 1px solid var(--line);
  background: #fff;
}

.contact-form textarea {
  min-height: 140px;
  resize: vertical;
}

.contact-form .invalid-feedback {
  margin-top: 0;
  color: var(--red-dark);
  font-size: 12px;
  font-weight: 500;
}

.contact-form.was-validated .form-control:invalid {
  border-color: var(--red);
  box-shadow: 0 0 0 3px rgba(217, 39, 36, 0.1);
}

.contact-form.was-validated .form-control:valid {
  border-color: #23814b;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.contact-map {
  margin-top: 45px;
}

.contact-map iframe {
  width: 100%;
  min-height: 420px;
  border: 0;
}

.sidebar-child {
  padding-left: 34px !important;
  color: var(--muted);
  font-size: 12px !important;
}

.floating-contact i,
.hotline-pill i,
.mobile-call i,
.promo-inner i,
.sidebar-hotline i {
  display: inline-block;
  font-size: 17px;
}

@keyframes phone-icon-ring {
  0%,
  58%,
  100% {
    transform: rotate(0deg) scale(1);
  }

  64% {
    transform: rotate(-23deg) scale(1.2);
  }

  70% {
    transform: rotate(20deg) scale(1.2);
  }

  76% {
    transform: rotate(-17deg) scale(1.16);
  }

  82% {
    transform: rotate(13deg) scale(1.13);
  }

  88% {
    transform: rotate(0deg) scale(1);
  }
}

@keyframes call-button-pulse {
  0%,
  100% {
    box-shadow: 0 8px 24px rgba(217, 39, 36, .22), 0 0 0 0 rgba(217, 39, 36, .36);
  }

  50% {
    box-shadow: 0 12px 30px rgba(217, 39, 36, .34), 0 0 0 8px rgba(217, 39, 36, 0);
  }
}

@keyframes call-button-shine {
  0%,
  58% {
    transform: translateX(0) skewX(-18deg);
  }

  82%,
  100% {
    transform: translateX(510%) skewX(-18deg);
  }
}

@keyframes availability-pulse {
  0%,
  100% {
    box-shadow: 0 0 0 4px rgba(82, 219, 138, .15);
  }

  50% {
    box-shadow: 0 0 0 8px rgba(82, 219, 138, 0), 0 0 13px rgba(82, 219, 138, .65);
  }
}

@keyframes zalo-icon-pulse {
  0%,
  100% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.08);
  }
}

@keyframes zalo-icon-ring {
  0% {
    opacity: .75;
    transform: scale(.88);
  }

  75%,
  100% {
    opacity: 0;
    transform: scale(1.35);
  }
}

.availability i {
  animation: availability-pulse 1.8s ease-in-out infinite;
}

.hotline-pill i,
.hotline-pill svg,
.mobile-call i,
.mobile-call svg,
.promo-inner > a i,
.promo-inner > a svg,
.sidebar-hotline i,
.sidebar-hotline svg,
.float-phone i,
.float-phone svg {
  transform-origin: center;
  animation: phone-icon-ring 2.05s ease-in-out infinite;
  will-change: transform;
}

.hotline-pill,
.mobile-call,
.promo-inner > a,
.sidebar-hotline a,
.float-phone {
  position: relative;
  overflow: hidden;
  animation: call-button-pulse 2.1s ease-in-out infinite;
  transition: transform .25s ease, filter .25s ease;
}

.hotline-pill::after,
.mobile-call::after,
.promo-inner > a::after,
.sidebar-hotline a::after,
.float-phone::after {
  position: absolute;
  top: -45%;
  bottom: -45%;
  left: -65%;
  width: 38%;
  content: "";
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .5), transparent);
  transform: translateX(0) skewX(-18deg);
  animation: call-button-shine 2.8s ease-in-out infinite;
  will-change: transform;
  pointer-events: none;
}

.promo-inner > a::after {
  background: linear-gradient(90deg, transparent, rgba(217, 39, 36, .2), transparent);
}

.hotline-pill:hover,
.mobile-call:hover,
.promo-inner > a:hover,
.sidebar-hotline a:hover,
.float-phone:hover {
  filter: brightness(1.08);
  transform: translateY(-2px) scale(1.02);
}

.float-zalo b {
  position: relative;
  animation: zalo-icon-pulse 1.8s ease-in-out infinite;
  will-change: transform;
}

.float-zalo b::after {
  position: absolute;
  inset: -3px;
  content: "";
  border: 2px solid rgba(255, 255, 255, .75);
  border-radius: 50%;
  animation: zalo-icon-ring 1.8s ease-out infinite;
  pointer-events: none;
}

@media (max-width: 980px) {
  .main-nav > .nav-item {
    display: grid;
    grid-template-columns: 1fr 46px;
    border-bottom: 1px solid var(--line);
  }

  .main-nav > .nav-item > a {
    border-bottom: 0;
  }

  .submenu-toggle {
    display: grid;
    place-items: center;
    cursor: pointer;
  }

  .submenu {
    position: static;
    display: none;
    width: auto;
    grid-column: 1 / -1;
    padding: 0 0 8px 16px;
    box-shadow: none;
    opacity: 1;
    pointer-events: auto;
    transform: none;
  }

  .nav-item.is-submenu-open > .submenu {
    display: grid;
  }

  .nav-item.is-submenu-open .submenu-toggle i {
    transform: rotate(180deg);
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .hero-banner img {
    height: 270px;
  }

  .about-visual img {
    height: 310px;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .contact-form {
    padding: 22px;
  }
}