:root {
  --ka-dv-navy: #1a3a5c;
  --ka-dv-navy-dark: #15375a;
  --ka-dv-blue: #1f6fb5;
  --ka-dv-orange: #ee7621;
  --ka-dv-orange-dark: #d8651a;
  --ka-dv-olive: #6f7d63;
  --ka-dv-text: #1f2a37;
  --ka-dv-muted: #64748b;
  --ka-dv-bg-soft: #f7f3ee;
  --ka-dv-bg-blue: #eef4f7;
  --ka-dv-line: #e3e8ee;
  --ka-dv-shadow: 0 4px 14px rgba(20, 40, 70, 0.1);
  --ka-dv-radius: 12px;
}
.dv-title{
  font-family: Roboto;
  font-size: 40px;
  font-style: normal;
  font-weight: 900;
  line-height: 56px;
  text-transform: uppercase;
}
.dv-title b{
  display: block;
  color: #E4732F;
}
.ka-dv-h2 {
  color: var(--ka-dv-navy);
  font-weight: 700;
  text-transform: uppercase;
  font-size: clamp(1.35rem, 2.3vw, 1.75rem);
  margin: 0;
}
.ka-dv-sub {
  margin: 0.35rem 0 0;
  font-size: 0.95rem;
}
.ka-dv-more {
  color: var(--ka-dv-blue);
  font-weight: 500;
  font-size: 0.9rem;
  text-decoration: none;
  white-space: nowrap;
}
.ka-dv-more:hover {
  text-decoration: underline;
}
.ka-dv-more i {
  margin-left: 0.25rem;
}
.ka-dv-sec-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.4rem;
}

/* buttons */
.ka-dv-btn {
  border-radius: 6px;
  padding: 0.6rem 1.35rem;
  font-size: 0.85rem;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  text-decoration: none;
  border: 1px solid transparent;
}
.ka-dv-btn-primary {
  background: var(--ka-dv-orange);
  border-color: var(--ka-dv-orange);
  color: #fff;
}
.ka-dv-btn-primary:hover,
.ka-dv-btn-primary:focus-visible {
  background: var(--ka-dv-orange-dark);
  border-color: var(--ka-dv-orange-dark);
  color: #fff;
}
.ka-dv-btn-olive {
  background: var(--ka-dv-olive);
  border-color: var(--ka-dv-olive);
  color: #fff;
}
.ka-dv-btn-olive:hover,
.ka-dv-btn-olive:focus-visible {
  background: #5c6951;
  color: #fff;
}
.ka-dv-btn-ghost {
  background: transparent;
  border:1px solid rgba(255, 255, 255, 0.85);
  color: #fff;
}
.ka-dv-btn-ghost:hover,
.ka-dv-btn-ghost:focus-visible {
  background: #fff;
  color: var(--ka-dv-navy);
}
.ka-dv-btn:focus-visible {
  outline: 3px solid rgba(238, 118, 33, 0.4);
  outline-offset: 2px;
}

/* ===== HERO ===== */
.ka-dv-hero {
  position: relative;
  min-height: 475px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: #cfd9e2 var(--ka-dv-hero-img, url("images/hero-chong-tham.jpg"))
    center right / cover no-repeat;
}
.ka-dv-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0.96) 0%,
    rgba(255, 255, 255, 0.9) 32%,
    rgba(255, 255, 255, 0.45) 48%,
    rgba(255, 255, 255, 0) 62%
  );
}
.ka-dv-hero > .container {
  position: relative;
  z-index: 1;
  width: 100%;
}
.ka-dv-dots ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.1rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.85rem;
}
.ka-dv-dots ul li {
  display: flex;
  align-items: center;
  gap: 1.1rem;
}
.ka-dv-dots ul li:not(:last-child)::after {
  content: "";
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--ka-dv-text);
}
.ka-dv-hero h1 {
  font-weight: 900;
  line-height: 1.15;
  margin: 1rem 0 1.1rem;
  font-size: clamp(1.9rem, 3.6vw, 2.6rem);
  text-transform: uppercase;
}
.ka-dv-hero h1 span {
  display: block;
}
.ka-dv-hero h1 .navy {
  color: var(--ka-dv-navy);
}
.ka-dv-hero h1 .orange {
  color: var(--ka-dv-orange);
}
.ka-dv-dots p {
  font-weight: 500;
  font-size: 1.1rem;
  margin-bottom: 1rem;
}
.ka-dv-hero .ka-dv-dots ul {
  margin-bottom: 2rem;
}

.ka-dv-hero .ka-dv-btn-olive{
  min-width: 240px;
}
/* ===== HẠNG MỤC + DẤU HIỆU ===== */
.ka-dv-cats {
  padding: 2.6rem 0 2rem;
}
.ka-dv-cat {
  background: #fff;
  border-radius: var(--ka-dv-radius);
  box-shadow: var(--ka-dv-shadow);
  overflow: hidden;
  display: block;
  text-decoration: none;
  color: inherit;
  height: 100%;
  transition: box-shadow 0.2s;
}
.ka-dv-cat:hover {
  box-shadow: 0 8px 22px rgba(20, 40, 70, 0.16);
  color: inherit;
}
.ka-dv-cat img {
  width: 100%;
  aspect-ratio: 230 / 160;
  object-fit: cover;
  display: block;
}
.ka-dv-cat-body {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.9rem 1rem;
}
.ka-dv-cat-body span {
  font-weight: 500;
  font-size: 1.1rem;
  line-height: 1.3;
  color: var(--ka-dv-navy);
}
.ka-dv-signs {
  background: var(--ka-dv-bg-blue);
  border-radius: var(--ka-dv-radius);
  padding: 1.4rem 1.4rem 1.5rem;
  height: 100%;
}
.ka-dv-signs h2 {
  color: var(--ka-dv-navy);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 1.45rem;
  margin: 0 0 0.2rem;
}
.ka-dv-signs > p {
  margin: 0 0 1rem;
  font-size: 0.95rem;
}
.ka-dv-sign {
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
  background: #fff;
  border-radius: 8px;
  padding: 0.9rem;
  height: 100%;
}
.ka-dv-sign-ic {
  flex: none;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #e8eef4;
  color: var(--ka-dv-navy);
  display: grid;
  place-items: center;
  font-size: 1.15rem;
}
.ka-dv-sign strong {
  display: block;
  color: var(--ka-dv-navy);
  font-weight: 500;
  font-size: 0.98rem;
  margin-bottom: 0.2rem;
}
.ka-dv-sign span {
  display: flex;
  color: var(--ka-dv-muted);
  font-size: 0.8rem;
  line-height: 1.4;
  align-items: center;
  justify-content: center;
}
.ka-dv-sign span img{
  max-width: 24px;
  max-height: 24px;
  object-fit: contain;
}

/* ===== BẢNG GIÁ + FAQ ===== */
.ka-dv-price-faq {
  padding: 1rem 0 2.6rem;
}
.ka-dv-price-box {
  background: var(--ka-dv-bg-soft);
  border-radius: var(--ka-dv-radius);
  padding: 1.5rem;
  height: 100%;
}
.ka-dv-price-box .ka-dv-sec-head {
  margin-bottom: 1.1rem;
  align-items: center;
}
.ka-dv-price {
  background: #fff;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--ka-dv-shadow);
  height: 100%;
}
.ka-dv-price img {
  width: 100%;
  aspect-ratio: 186 / 100;
  object-fit: cover;
  display: block;
}
.ka-dv-price-body {
  padding: 0.8rem 0.9rem 1rem;
}
.ka-dv-price-body h3 {
  font-size: 1.02rem;
  font-weight: 500;
  line-height: 1.3;
  margin: 0 0 0.7rem;
}
.ka-dv-price-body .p {
  color: var(--ka-dv-orange);
  font-weight: 700;
  font-size: 1.02rem;
}
.ka-dv-price-body .p.soft {
  font-weight: 500;
}

.ka-dv-faq-title {
  color: var(--ka-dv-navy);
  font-weight: 500;
  font-size: 1.35rem;
  margin: 0.3rem 0 1rem;
}
.ka-dv-faq .accordion {
  --bs-accordion-border-color: var(--ka-dv-line);
  --bs-accordion-border-radius: 8px;
  --bs-accordion-inner-border-radius: 8px;
  --bs-accordion-btn-focus-box-shadow: 0 0 0 3px rgba(26, 58, 92, 0.15);
  --bs-accordion-active-bg: #fff;
  --bs-accordion-active-color: var(--ka-dv-navy);
  --bs-accordion-btn-padding-y: 0.8rem;
  --bs-accordion-btn-padding-x: 1rem;
}
.ka-dv-faq .accordion-item {
  margin-bottom: 0.55rem;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--ka-dv-line);
}
.ka-dv-faq .accordion-button {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--ka-dv-text);
  background: #fff;
  box-shadow: none;
  font-family: inherit;
}
.ka-dv-faq .accordion-button:not(.collapsed) {
  color: var(--ka-dv-navy);
}
.ka-dv-faq .accordion-button::after {
  --bs-accordion-btn-icon-transform: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%231f6fb5'%3E%3Cpath d='M8 2a.75.75 0 0 1 .75.75v4.5h4.5a.75.75 0 0 1 0 1.5h-4.5v4.5a.75.75 0 0 1-1.5 0v-4.5h-4.5a.75.75 0 0 1 0-1.5h4.5v-4.5A.75.75 0 0 1 8 2z'/%3E%3C/svg%3E");
  background-size: 1.05rem;
  transform: none;
}
.ka-dv-faq .accordion-button:not(.collapsed)::after {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%231f6fb5'%3E%3Cpath d='M2.75 7.25h10.5a.75.75 0 0 1 0 1.5H2.75a.75.75 0 0 1 0-1.5z'/%3E%3C/svg%3E");
  transform: none;
}
.ka-dv-faq .accordion-body {
  padding: 0 1rem 1rem;
  color: var(--ka-dv-muted);
  font-size: 0.92rem;
  line-height: 1.6;
}

/* ===== CÔNG TRÌNH ===== */
.ka-dv-projects {
  padding: 1rem 0 2.6rem;
}
.ka-dv-proj {
  background: #fff;
  border-radius: var(--ka-dv-radius);
  box-shadow: var(--ka-dv-shadow);
  overflow: hidden;
  height: 100%;
}
.ka-dv-ba {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3px;
  aspect-ratio: 305 / 161;
  background: #fff;
}
.ka-dv-ba img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  aspect-ratio: 1/1;
}
.ka-dv-ba-btn {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  display: grid;
  place-items: center;
  font-size: 0.85rem;
}
.ka-dv-proj-body {
  padding: 1rem 1.1rem 1.1rem;
}
.ka-dv-proj-body h3 {
  font-size: 1.02rem;
  font-weight: 500;
  margin: 0 0 0.35rem;
}
.ka-dv-proj-body p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--ka-dv-muted);
}

/* ===== 4 BƯỚC ===== */
.ka-dv-quote {
  padding: 0 0 2.6rem;
}
.ka-dv-quote-box {
  position: relative;
  overflow: hidden;
  background: var(--ka-dv-bg-soft);
  border-radius: var(--ka-dv-radius);
  padding: 1.7rem 1.6rem 1.8rem;
}
/*.ka-dv-quote-box::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 200px;
  height: 130px;
  background: var(--ka-dv-leaf, url("images/la-cay.png")) top right / contain
    no-repeat;
  pointer-events: none;
  opacity: 0.9;
}*/
.ka-dv-steps {
  display: flex;
  align-items: stretch;
  gap: 0.6rem;
  margin-top: 1.4rem;
  position: relative;
  z-index: 1;
}
.ka-dv-step {
  flex: 1 1 0;
  background: #fff;
  border-radius: 10px;
  padding: 1.5rem 1rem 1.5rem 2.6rem;
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  min-height: 125px;
}
.ka-dv-step-num {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--ka-dv-orange);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  display: grid;
  place-items: center;
}
.ka-dv-step-in {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  align-items: flex-start;
}
.ka-dv-step-ic {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--ka-dv-navy);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 1.4rem;
}
.ka-dv-step p {
  margin: 0;
  font-weight: 500;
  font-size: 0.98rem;
  line-height: 1.3;
}
.ka-dv-step-sep {
  align-self: center;
  font-size: 0.8rem;
}

/* ===== CTA + SỐ LIỆU ===== */
.ka-dv-cta-wrap {
  position: relative;
}
.ka-dv-cta {
  background: var(--ka-dv-navy-dark);
  color: #fff;
  padding: 2.1rem 0;
}
.ka-dv-cta h2 {
  font-weight: 500;
  font-size: 1.6rem;
  line-height: 1.35;
  margin: 0 0 0.4rem;
}
.ka-dv-cta .small-t {
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.95rem;
  margin: 0;
}
.ka-dv-checks ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, auto);
  gap: 1.1rem 1.4rem;
  justify-content: start;
}
.ka-dv-checks ul li {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-weight: 500;
  font-size:18px;
}
.ka-dv-checks ul li::before {
  content: "\f058";
  font-family: "Font Awesome 6 Free";
  width: 28px;
  height: 28px;
  display: block;
  font-size: 24px;
}
.ka-dv-checks ul i {
  font-size: 1.35rem;
}
.ka-dv-cta-btns {
  display: grid;
  gap: 0.9rem;
  max-width: 220px;
}
.ka-dv-cta-person {
  position: absolute;
  right: 2%;
  bottom: 0;
  height: 285px;
  z-index: 2;
  pointer-events: none;
}
.ka-dv-cta-person::before{
  content: "";
  width: 139.283px;
  height: 304.854px;
  transform: rotate(11.674deg);
  border-radius: 304.854px;
  background: #FFF;
  filter: blur(38.849998474121094px);
  display: block;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%,-50%);
}
.ka-dv-cta-person img{
  z-index: 1;
  position: relative;
}
.ka-dv-cta-slogan {
  position: absolute;
  right: 12%;
  top: 21px;
  z-index: 3;
  margin: 0;
  font-family: "FC-VIP-Alpha-Brights";
  transform: rotate(-6deg);
  text-align: center;
  pointer-events: none;
  color: #FFF;
  text-shadow: 0 2.594px 2.594px rgba(0, 0, 0, 0.25);
  font-size: 32px;
  font-style: normal;
  line-height: 32px;
}
.ka-dv-cta-slogan {
  display: block;
}
.ka-dv-stats {
  background: #fff;
  padding: 1.6rem 0;
}
.ka-dv-stat {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: var(--ka-dv-navy);
}
.ka-dv-stat i {
  font-size: 2.5rem;
  line-height: 1;
}
.ka-dv-stat strong {
  display: block;
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.15;
}
.ka-dv-stat span {
  font-size: 0.92rem;
  color: var(--ka-dv-text);
}
@media (min-width: 992px) {
  .ka-dv-stats .col-lg-3 + .col-lg-3 {
    border-left: 1px solid var(--ka-dv-line);
    padding-left: 1.6rem;
  }
  .ka-dv-stats .container {
    padding-right: 110px;
  }
  .ka-dv-stats .col-lg-3 {
    flex: 0 0 auto;
    width: 25%;
  }
}
.ka-dv-stats img {
  max-width: 40px;
  filter: brightness(0) saturate(100%)
  invert(17%) sepia(22%)
  saturate(1027%) hue-rotate(169deg)
  brightness(88%) contrast(91%);
}
/* ===== RESPONSIVE ===== */
@media (max-width: 1600px) {
  /*.ka-dv-cta-person,*/
  .ka-dv-cta-slogan{
    display: none;
  }
  .ka-dv-stats .container {
    padding-right: 190px;
  }
  .ka-stat strong {
    font-size: 21px;
  }
  .ka-dv-stats img {
    max-width: 30px;
  }
}
@media (max-width: 1400px) {
  .ka-dv-stats .col-lg-3 + .col-lg-3 {
    padding-left: 0.6rem;
  }
}
@media (max-width: 991.98px) {
  .ka-dv-hero {
    background-image: none !important;
    padding: 2.5rem 0;
    background-position: 70% center;
    background-color: #fff !important;
    min-height: unset;
  }
  .ka-dv-hero::before {
    background: linear-gradient(
      180deg,
      rgba(255, 255, 255, 0.95) 0%,
      rgba(255, 255, 255, 0.85) 60%,
      rgba(255, 255, 255, 0.4) 100%
    );
  }

  .ka-dv-cta-person,
  .ka-dv-cta-slogan {
    display: none;
  }
  .ka-dv-cta-btns {
    max-width: none;
    grid-template-columns: 1fr 1fr;
  }
  .ka-dv-checks {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 767px) {
  .ka-dv-hero {
    display: block;
    padding: 0;
  }
  .ka-dv-hero > .container {
    position: relative;
    padding-top: 17px;
    top: -40px;
    margin-bottom: -40px;
    background-image: linear-gradient(to bottom, #fff0 0%,#ffffff40 1%,#ffffff6b 2%, #ffffffd1 5%, #fff 7%, white);
    padding-bottom: 10px;
  }
  .ka-dv-hero::before{
    display: none;
  }
  .ka-dv-hero .ka-dv-dots ul {
    margin-bottom: 10px;
    gap: 7px;
  }
  .ka-dv-dots ul li {
    gap: 7px;
  }
  .dv-title {
    font-size: 22px;
    line-height: 27px;
  }
  .ka-dv-dots p {
    font-size: 16px;
    margin-bottom: 10px;
  }
  /**/
  .ka-dv-cats {
    padding: 20px 0;
  }
  .ka-dv-sec-head {
    gap: 5px;
    margin-bottom: 20px;
  }
  .ka-dv-cat-body .title br {
    display: none;
  }
  .ka-dv-price-faq{
    padding-bottom: 10px;
  }
  /**/
  .ka-dv-quote-box{
    padding: 20px;
  }
  .ka-dv-steps.ka-steps .ka-step {
    width: calc(50% - 16px);
  }
  /**/
  .ka-dv-cta h2 {
    font-size: 22px;
    line-height: 1.25;
  }
  .ka-dv-checks ul li {
    gap: 6px;
    font-size: 16px;
  }
  .ka-dv-checks ul li::before {
    width: 20px;
    height: 20px;
    font-size: 19px;
  }
  .ka-dv-quote {
    padding-bottom: 20px;
  }
  .ka-dv-cta {
    padding: 20px 0;
  }
}
@media (max-width: 575.98px) {
  .ka-dv-btn {
    width: 100%;
  }
  .ka-dv-cta-btns,
  .ka-dv-checks {
    grid-template-columns: 1fr;
  }
  .ka-dv-stat strong {
    font-size: 1.35rem;
  }
  .ka-dv-stat i {
    font-size: 2rem;
  }
}