@charset "UTF-8";
/* ==========================================================================
   BonKraft – Trang chủ mới (module bk-*)
   Tất cả selector đều bắt đầu bằng .bk-page để thắng các rule chung của theme
   (vd: a{color}, a:hover) mà không cần !important.
   ========================================================================== */
.bk-page {
  --bk-blue: #0a5cff;
  --bk-dark: #0d1b3e;
  --bk-on-primary: #ffffff;
  --bk-text: #4a5568;
  --bk-muted: #6b7a90;
  --bk-eyebrow: #4b6184;
  --bk-soft: #f3f7fc;
  --bk-line: #e3e9f2;
  --bk-font: 'Be Vietnam Pro', 'Lexend', -apple-system, 'Segoe UI', Roboto, sans-serif;
  --bk-gutter: 32px;
  font-family: var(--bk-font);
  color: var(--bk-text);
  -webkit-font-smoothing: antialiased; }

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

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

.bk-page p {
  margin: 0; }

.bk-page h1, .bk-page h2, .bk-page h3 {
  margin: 0;
  font-family: var(--bk-font); }

.bk-page ul {
  list-style: none;
  margin: 0;
  padding: 0; }

.bk-page a {
  text-decoration: none; }

.bk-page .bk-container {
  width: 100%;
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 var(--bk-gutter); }

/* Căn trái theo container nhưng cho phần bên phải tràn ra mép màn hình */
.bk-page .bk-bleed-left {
  padding-left: var(--bk-gutter); }

@media (min-width: 1384px) {
  .bk-page .bk-bleed-left {
    padding-left: calc(50vw - 628px); } }

/* ---------- Typography ---------- */
.bk-page .bk-eyebrow {
  display: block;
  margin-bottom: 18px;
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--bk-eyebrow); }

.bk-page .bk-title {
  font-size: 52px;
  line-height: 1.06;
  font-weight: 800;
  letter-spacing: -.01em;
  text-transform: uppercase;
  color: var(--bk-dark); }

/* Các dòng tiêu đề là span inline + <br> (không phải block) để Google Dịch dịch cả cụm, không tách từng dòng */
.bk-page .bk-title span {
  display: inline; }

.bk-page .bk-title .is-blue, .bk-page .bk-title em {
  color: var(--bk-blue);
  font-style: normal; }

.bk-page .bk-title em {
  display: inline; }

.bk-page .bk-desc {
  margin-top: 22px;
  max-width: 520px;
  font-size: 16px;
  line-height: 1.75;
  color: var(--bk-text); }

/* ---------- Buttons ---------- */
.bk-page .bk-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  height: 54px;
  padding: 0 32px;
  border-radius: 999px;
  border: 1.5px solid var(--bk-blue);
  font-family: var(--bk-font);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  transition: background-color .25s ease, color .25s ease, box-shadow .25s ease, transform .25s ease; }

.bk-page .bk-btn svg {
  width: 15px;
  height: 15px;
  flex: none;
  transition: transform .25s ease; }

.bk-page .bk-btn:hover svg {
  transform: translateX(4px); }

.bk-page .bk-btn--primary {
  background: var(--bk-blue);
  color: var(--bk-on-primary);
  box-shadow: 0 10px 24px -10px var(--bk-blue); }

.bk-page .bk-btn--primary:hover {
  color: var(--bk-on-primary);
  transform: translateY(-2px);
  box-shadow: 0 14px 30px -10px var(--bk-blue); }

/* Nút viền: chữ màu tối + viền màu chủ đạo (đọc được cả khi màu chủ đạo là màu sáng như vàng) */
.bk-page .bk-btn--outline {
  background: rgba(255, 255, 255, 0.7);
  color: var(--bk-dark); }

.bk-page .bk-btn--outline:hover {
  background: var(--bk-blue);
  color: var(--bk-on-primary); }

.bk-page .bk-btn--light {
  background: transparent;
  color: #fff; }

.bk-page .bk-btn--light:hover {
  background: var(--bk-blue);
  color: var(--bk-on-primary); }

.bk-page .bk-btn--sm {
  height: 44px;
  padding: 0 22px;
  font-size: 12px; }

.bk-page .bk-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 40px; }

/* ---------- Icon feature list ---------- */
.bk-page .bk-feats {
  display: flex;
  flex-wrap: wrap;
  gap: 22px 44px;
  margin-top: 40px; }

.bk-page .bk-feat {
  display: flex;
  align-items: center;
  gap: 14px; }

.bk-page .bk-feat__icon {
  flex: none;
  display: grid;
  place-items: center;
  color: var(--bk-dark); }

.bk-page .bk-feat__icon svg {
  width: 34px;
  height: 34px; }

.bk-page .bk-feat strong {
  display: block;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--bk-dark); }

.bk-page .bk-feat small {
  display: block;
  margin-top: 3px;
  font-size: 12.5px;
  color: var(--bk-muted); }

.bk-page .bk-feats--col .bk-feat {
  flex-direction: column;
  align-items: flex-start;
  gap: 12px; }

.bk-page .bk-feats--col .bk-feat__icon svg {
  width: 30px;
  height: 30px; }

/* ---------- Reveal on scroll (chỉ khi JS chạy) ---------- */
.bk-js .bk-page .bk-reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.2, 0.7, 0.2, 1); }

.bk-js .bk-page .bk-reveal.is-in {
  opacity: 1;
  transform: none; }

@media (prefers-reduced-motion: reduce) {
  .bk-js .bk-page .bk-reveal {
    opacity: 1;
    transform: none;
    transition: none; } }

/* ==========================================================================
   HEADER
   ========================================================================== */
.bk-page.bk-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.88);
  -webkit-backdrop-filter: saturate(160%) blur(12px);
  backdrop-filter: saturate(160%) blur(12px);
  transition: box-shadow .3s ease; }

.bk-page.bk-header.is-scrolled {
  box-shadow: 0 6px 24px rgba(13, 27, 62, 0.08); }

.bk-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 76px; }

.bk-page .bk-logo {
  flex: none;
  white-space: nowrap;
  display: inline-flex;
  flex-direction: column;
  line-height: 1;
  color: var(--bk-dark); }

.bk-page .bk-logo__word {
  font-size: 27px;
  font-weight: 800;
  letter-spacing: -.03em;
  color: var(--bk-dark); }

.bk-page .bk-logo__word b {
  font-weight: 800;
  color: var(--bk-blue); }

.bk-page .bk-logo__tag {
  margin-top: 5px;
  font-size: 7.5px;
  font-weight: 600;
  letter-spacing: .62em;
  text-transform: uppercase;
  color: var(--bk-dark); }

.bk-page .bk-logo img {
  height: 44px;
  width: auto; }

.bk-page .bk-nav {
  display: flex;
  align-items: center;
  gap: 34px;
  margin-left: auto; }

.bk-page .bk-nav a {
  position: relative;
  white-space: nowrap;
  padding: 6px 0;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--bk-dark); }

.bk-page .bk-nav a::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--bk-blue);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .25s ease; }

.bk-page .bk-nav a:hover {
  color: var(--bk-dark); }

.bk-page .bk-nav a:hover::after {
  transform: scaleX(1); }

.bk-header__actions {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-left: 32px; }

.bk-page .bk-icons {
  display: flex;
  align-items: center;
  gap: 2px; }

.bk-page .bk-icon {
  position: relative;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: var(--bk-dark);
  cursor: pointer;
  transition: background-color .2s ease, color .2s ease; }

.bk-page .bk-icon:hover, .bk-page .bk-icon[aria-expanded="true"] {
  background: var(--bk-soft);
  color: var(--bk-dark); }

.bk-page .bk-icon svg {
  width: 20px;
  height: 20px; }

.bk-page .bk-cart__count {
  position: absolute;
  top: 2px;
  right: 0;
  min-width: 17px;
  height: 17px;
  padding: 0 4px;
  border-radius: 9px;
  background: var(--bk-blue);
  color: var(--bk-on-primary);
  font-size: 10px;
  font-weight: 700;
  line-height: 17px;
  text-align: center; }

.bk-page .bk-cart__count .loomline-count {
  color: var(--bk-on-primary); }

.bk-page .bk-search {
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  padding: 16px 0;
  background: #fff;
  box-shadow: 0 16px 30px rgba(13, 27, 62, 0.1); }

.bk-page .bk-search[hidden] {
  display: none; }

.bk-page .bk-search form {
  display: flex;
  gap: 10px; }

.bk-page .bk-search input[type="search"] {
  flex: 1;
  min-width: 0;
  height: 46px;
  padding: 0 20px;
  border: 1px solid var(--bk-line);
  border-radius: 999px;
  background: var(--bk-soft);
  color: var(--bk-dark);
  font-family: var(--bk-font);
  font-size: 14px;
  outline: 0; }

.bk-page .bk-search input[type="search"]:focus {
  border-color: var(--bk-blue);
  background: #fff; }

.bk-page .bk-search .bk-btn {
  height: 46px; }

.bk-page .bk-lang {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 13px;
  font-weight: 600;
  color: var(--bk-dark); }

.bk-page .bk-lang svg {
  width: 10px;
  height: 10px; }

.bk-page .bk-lang .bk-lang__globe {
  width: 18px;
  height: 18px;
  margin-right: 3px; }

/* Chọn ngôn ngữ (Google Dịch) */
.bk-page .bk-lang--gt {
  position: relative; }

.bk-page .bk-lang__toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 40px;
  padding: 0 4px;
  border: 0;
  background: none;
  cursor: pointer;
  font-family: var(--bk-font);
  font-size: 13px;
  font-weight: 600;
  color: var(--bk-dark); }

.bk-page .bk-lang__toggle .svg-flag, .bk-page .bk-lang__menu .flag {
  display: inline-flex; }

.bk-page .bk-lang__toggle .svg-flag svg, .bk-page .bk-lang__menu .flag svg {
  width: 22px;
  height: 22px;
  display: block; }

.bk-page .bk-lang__chev {
  width: 10px;
  height: 10px;
  transition: transform .2s ease; }

.bk-page .bk-lang.is-open .bk-lang__chev {
  transform: rotate(180deg); }

.bk-page .bk-lang__menu {
  position: absolute;
  z-index: 5;
  right: 0;
  top: calc(100% + 8px);
  min-width: 190px;
  padding: 6px;
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 16px 40px rgba(13, 27, 62, 0.16);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity .2s ease, transform .2s ease, visibility .2s; }

.bk-page .bk-lang__menu::before {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  top: -10px;
  height: 10px; }

.bk-page .bk-lang.is-open .bk-lang__menu {
  opacity: 1;
  visibility: visible;
  transform: none; }

@media (hover: hover) and (min-width: 992px) {
  .bk-page .bk-lang--gt:hover .bk-lang__menu {
    opacity: 1;
    visibility: visible;
    transform: none; } }

.bk-page .bk-lang__menu a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  color: var(--bk-dark); }

.bk-page .bk-lang__menu a:hover {
  background: var(--bk-soft);
  color: var(--bk-dark); }

/* Ẩn thanh/tooltip/tô nền mặc định của Google Dịch */
body {
  top: 0 !important; }

body > .skiptranslate, iframe.skiptranslate, .goog-te-banner-frame, #goog-gt-tt, .goog-tooltip, .VIpgJd-yAWNEb-L7lbkb {
  display: none !important; }

.goog-text-highlight {
  background: none !important;
  box-shadow: none !important; }

.bk-page .bk-burger {
  display: none;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 0;
  border-radius: 10px;
  background: var(--bk-soft);
  color: var(--bk-dark);
  cursor: pointer;
  place-items: center; }

.bk-page .bk-burger svg {
  width: 20px;
  height: 20px; }

@media (max-width: 991px) {
  .bk-page .bk-burger {
    display: grid; }
  .bk-header__actions {
    margin-left: auto;
    gap: 14px; }
  .bk-page .bk-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    margin: 0;
    padding: 8px var(--bk-gutter) 20px;
    background: #fff;
    box-shadow: 0 16px 30px rgba(13, 27, 62, 0.1);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all .25s ease; }
  .bk-page.bk-header.is-open .bk-nav {
    opacity: 1;
    visibility: visible;
    transform: none; }
  .bk-page .bk-nav a {
    padding: 14px 0;
    font-size: 15px;
    border-bottom: 1px solid var(--bk-line); }
  .bk-page .bk-nav a::after {
    display: none; } }

@media (max-width: 575px) {
  .bk-header__inner {
    height: 64px; }
  .bk-page .bk-logo__word {
    font-size: 22px; }
  .bk-page .bk-logo__tag {
    font-size: 6.5px;
    letter-spacing: .5em; }
  .bk-header__actions .bk-btn {
    display: none; }
  .bk-header__actions {
    gap: 2px; }
  .bk-page .bk-icons {
    gap: 0; }
  .bk-page .bk-icon--account {
    display: none; }
  .bk-page .bk-icon {
    width: 36px;
    height: 36px; }
  .bk-page .bk-lang__chev {
    display: none; }
  .bk-page .bk-burger {
    width: 38px;
    height: 38px;
    margin-left: 4px; } }

/* ==========================================================================
   1. HERO
   ========================================================================== */
.bk-page.bk-hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 760px;
  padding: 110px 0 120px;
  overflow: hidden;
  background: #eaf1fa; }

.bk-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 70% center; }

.bk-page.bk-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(90deg, #f5f8fc 0%, rgba(245, 248, 252, 0.94) 30%, rgba(245, 248, 252, 0.5) 47%, rgba(245, 248, 252, 0) 62%); }

.bk-hero__content {
  position: relative;
  z-index: 2; }

.bk-hero__content > * {
  max-width: 680px; }

.bk-page.bk-hero .bk-eyebrow {
  color: var(--bk-dark);
  font-weight: 600;
  letter-spacing: .2em; }

.bk-page .bk-hero__title {
  font-size: 100px;
  line-height: .98;
  letter-spacing: -.02em; }

.bk-page .bk-hero__sub {
  margin-top: 26px;
  font-size: 20px;
  line-height: 1.55;
  font-weight: 500;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--bk-dark); }

.bk-hero__side {
  position: absolute;
  z-index: 2;
  right: 7%;
  top: 14%;
  font-size: 15px;
  line-height: 2.1;
  letter-spacing: .32em;
  text-align: center;
  color: rgba(255, 255, 255, 0.85); }

.bk-hero__side span {
  display: block; }

/* Gạch ngắn màu chủ đạo dưới chữ dọc (hero + banner cuối) */
.bk-hero__side::after, .bk-footer__side::after {
  content: '';
  display: block;
  width: 44px;
  height: 2px;
  margin: 18px auto 0;
  background: var(--bk-blue); }

/* ==========================================================================
   2. TECH
   ========================================================================== */
.bk-page.bk-tech {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 680px;
  background: #fff;
  overflow: hidden; }

.bk-tech__media {
  position: relative;
  min-height: 420px; }

.bk-tech__media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  -webkit-mask-image: linear-gradient(105deg, #000 72%, transparent 90%);
  mask-image: linear-gradient(105deg, #000 72%, transparent 90%); }

.bk-tech__caption {
  position: absolute;
  left: 12%;
  bottom: 13%;
  color: #fff; }

.bk-tech__caption i {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 26px;
  font-style: normal; }

.bk-tech__caption i::before {
  content: '';
  width: 28px;
  height: 28px;
  border: 1.5px solid rgba(255, 255, 255, 0.85);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.9) 0 3px, transparent 3.5px); }

.bk-tech__caption i::after {
  content: '';
  width: 46px;
  border-top: 1.5px dashed rgba(255, 255, 255, 0.8); }

.bk-tech__caption span {
  display: block;
  font-size: 12px;
  line-height: 1.9;
  letter-spacing: .24em; }

.bk-tech__content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 110px var(--bk-gutter) 110px 48px; }

.bk-tech__content > * {
  max-width: 600px; }

.bk-page.bk-tech .bk-feats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 56px; }

/* ==========================================================================
   Skewed image tiles (Ứng dụng + Sản phẩm thực tế)
   ========================================================================== */
.bk-page .bk-split {
  display: grid;
  grid-template-columns: minmax(320px, 470px) 1fr;
  gap: 64px;
  align-items: center;
  overflow: hidden; }

.bk-page .bk-tiles {
  display: flex;
  gap: 8px;
  height: 480px;
  margin-right: -80px; }

.bk-page .bk-tile {
  position: relative;
  flex: 1 1 0;
  min-width: 0;
  overflow: hidden;
  border-radius: 6px;
  transform: skewX(-14deg);
  background: #1b2433; }

.bk-page .bk-tile img {
  position: absolute;
  top: 0;
  left: -30%;
  width: 160%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  transform: skewX(14deg);
  transition: transform 0.6s cubic-bezier(0.2, 0.7, 0.2, 1); }

.bk-page .bk-tile:hover img {
  transform: skewX(14deg) scale(1.07); }

.bk-page .bk-tile::after {
  content: '';
  position: absolute;
  inset: 55% 0 0;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.6));
  pointer-events: none; }

.bk-page .bk-tile__label {
  position: absolute;
  z-index: 1;
  left: 22px;
  bottom: 18px;
  transform: skewX(14deg);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: #fff; }

.bk-page a.bk-tile:hover .bk-tile__label {
  color: #fff; }

.bk-page .bk-dots {
  display: none; }

.bk-page.bk-apps {
  padding: 110px 0;
  background: linear-gradient(90deg, #f3f6fb 0%, #fff 45%); }

.bk-page.bk-showcase {
  padding: 0;
  background: linear-gradient(90deg, #eef3fa 0%, #fff 50%); }

.bk-page .bk-split .bk-title {
  font-size: 46px; }

.bk-page.bk-showcase .bk-tiles {
  height: 580px;
  gap: 10px; }

.bk-page.bk-showcase .bk-tile {
  border-radius: 0; }

.bk-page.bk-showcase .bk-tile::after {
  display: none; }

/* ==========================================================================
   4. MATERIAL
   ========================================================================== */
.bk-page.bk-material {
  padding: 110px 0;
  background: linear-gradient(90deg, #fff 0%, #f5f8fc 100%);
  overflow: hidden; }

.bk-material__grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 64px;
  align-items: center; }

.bk-material__figure {
  position: relative;
  margin-left: calc(var(--bk-gutter) * -1); }

.bk-material__figure img {
  width: 64%;
  mix-blend-mode: multiply;
  -webkit-mask-image: linear-gradient(90deg, #000 78%, transparent 100%);
  mask-image: linear-gradient(90deg, #000 78%, transparent 100%); }

.bk-material__labels li {
  position: absolute;
  left: 58%;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--bk-dark); }

.bk-material__labels li::before {
  content: '';
  width: 64px;
  border-top: 1px dashed #97a3b6; }

.bk-material__labels li i {
  width: 8px;
  height: 8px;
  flex: none;
  border-radius: 50%;
  background: var(--bk-blue);
  box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.9); }

.bk-material__labels li:nth-child(1) {
  top: 17%; }

.bk-material__labels li:nth-child(2) {
  top: 47%; }

.bk-material__labels li:nth-child(3) {
  top: 74%; }

.bk-material__labels--4 li:nth-child(1) {
  top: 12%; }

.bk-material__labels--4 li:nth-child(2) {
  top: 36%; }

.bk-material__labels--4 li:nth-child(3) {
  top: 60%; }

.bk-material__labels--4 li:nth-child(4) {
  top: 82%; }

/* ==========================================================================
   5. PROCESS
   ========================================================================== */
.bk-page.bk-process {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 580px;
  padding: 110px 0;
  background: #04060c;
  overflow: hidden;
  color: #fff; }

.bk-process__media {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 66%; }

.bk-process__media img {
  width: 100%;
  height: 100%;
  object-fit: cover; }

.bk-process__media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, #04060c 0%, rgba(4, 6, 12, 0.55) 28%, rgba(4, 6, 12, 0) 55%);
  pointer-events: none; }

.bk-process__content {
  position: relative;
  z-index: 2; }

.bk-page.bk-process .bk-eyebrow {
  color: rgba(255, 255, 255, 0.75); }

.bk-page.bk-process .bk-title {
  color: #fff; }

.bk-page.bk-process .bk-desc {
  color: rgba(255, 255, 255, 0.78);
  max-width: 440px; }

.bk-page .bk-play {
  position: absolute;
  z-index: 2;
  right: 11%;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  padding: 0;
  border: 0;
  background: none;
  color: #fff;
  cursor: pointer;
  font-family: var(--bk-font); }

.bk-page .bk-play__btn {
  position: relative;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #fff;
  display: grid;
  place-items: center;
  color: var(--bk-dark);
  transition: transform .25s ease; }

.bk-page .bk-play__btn::before {
  content: '';
  position: absolute;
  inset: -8px;
  border: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: 50%;
  animation: bk-pulse 2.2s ease-out infinite; }

.bk-page .bk-play__btn svg {
  width: 20px;
  height: 20px;
  margin-left: 3px; }

.bk-page .bk-play:hover .bk-play__btn {
  transform: scale(1.08); }

.bk-page .bk-play__label {
  font-size: 11px;
  line-height: 1.7;
  font-weight: 500;
  letter-spacing: .12em;
  text-transform: uppercase;
  text-align: center; }

.bk-page .bk-play__label span {
  display: block; }

@keyframes bk-pulse {
  from {
    transform: scale(0.9);
    opacity: 1; }
  to {
    transform: scale(1.5);
    opacity: 0; } }

.bk-video-modal {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(2, 4, 10, 0.88); }

.bk-video-modal.is-open {
  display: flex; }

.bk-video-modal__box {
  position: relative;
  width: 100%;
  max-width: 980px;
  aspect-ratio: 16 / 9;
  background: #000; }

.bk-video-modal__box iframe {
  width: 100%;
  height: 100%;
  border: 0; }

.bk-video-modal__close {
  position: absolute;
  right: 0;
  top: -46px;
  width: 38px;
  height: 38px;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  font-size: 22px;
  line-height: 1;
  cursor: pointer; }

/* ==========================================================================
   7. CONTACT
   ========================================================================== */
.bk-page.bk-contact {
  padding: 130px 0;
  background: var(--bk-soft); }

.bk-contact__grid {
  display: grid;
  grid-template-columns: 1fr 120px 440px;
  gap: 32px;
  align-items: center; }

.bk-page .bk-contact__items {
  display: flex;
  flex-wrap: wrap;
  gap: 26px 52px;
  margin-top: 46px; }

.bk-contact__items li {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  font-weight: 600;
  color: var(--bk-dark);
  text-align: center; }

.bk-contact__items svg {
  width: 30px;
  height: 30px;
  color: var(--bk-dark); }

.bk-contact__arrow {
  color: var(--bk-blue); }

.bk-contact__arrow svg {
  width: 100%;
  height: 20px; }

.bk-page .bk-form {
  padding: 40px 36px 30px;
  background: #fff;
  border-radius: 14px;
  box-shadow: 0 24px 60px -20px rgba(13, 27, 62, 0.18); }

.bk-page .bk-form__title {
  margin-bottom: 22px;
  font-size: 16px;
  font-weight: 800;
  letter-spacing: .01em;
  text-transform: uppercase;
  color: var(--bk-dark); }

.bk-page .bk-form input, .bk-page .bk-form textarea {
  display: block;
  width: 100%;
  margin: 0 0 14px;
  padding: 0 16px;
  height: 50px;
  border: 1px solid transparent;
  border-radius: 6px;
  background: #f3f5f9;
  outline: 0;
  font-family: var(--bk-font);
  font-size: 14px;
  color: var(--bk-dark);
  transition: border-color .2s ease, background-color .2s ease; }

.bk-page .bk-form textarea {
  height: 110px;
  padding: 12px 16px;
  resize: vertical; }

.bk-page .bk-form input::placeholder, .bk-page .bk-form textarea::placeholder {
  color: #8a95a8; }

.bk-page .bk-form input:focus, .bk-page .bk-form textarea:focus {
  border-color: var(--bk-blue);
  background: #fff; }

.bk-page .bk-form .bk-btn {
  width: 100%;
  margin-top: 10px; }

.bk-page .bk-form__note {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-top: 16px;
  font-size: 12px;
  color: var(--bk-muted); }

.bk-page .bk-form__note svg {
  width: 13px;
  height: 13px;
  color: var(--bk-dark); }

.bk-page .bk-form__alert {
  margin-bottom: 16px;
  padding: 12px 14px;
  border-radius: 8px;
  font-size: 13px;
  line-height: 1.5; }

.bk-page .bk-form__alert--ok {
  background: #e7f6ee;
  color: #146c43; }

.bk-page .bk-form__alert--err {
  background: #fdecec;
  color: #b42318; }

.bk-page .bk-form__alert ul, .bk-page .bk-form__alert p {
  margin: 0; }

/* ==========================================================================
   8. FOOTER BANNER
   ========================================================================== */
.bk-page.bk-footer {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 660px;
  padding: 110px 0 140px;
  overflow: hidden;
  background: #3b4a60;
  color: #fff; }

.bk-footer__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%; }

.bk-page.bk-footer::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(90deg, rgba(14, 26, 46, 0.55) 0%, rgba(14, 26, 46, 0.15) 45%, rgba(14, 26, 46, 0.1) 100%); }

.bk-footer__content {
  position: relative;
  z-index: 2; }

.bk-page.bk-footer .bk-logo__word {
  font-size: 72px;
  color: #fff; }

.bk-page.bk-footer .bk-logo__tag {
  margin-top: 10px;
  font-size: 14px;
  letter-spacing: .72em;
  color: #fff; }

.bk-page.bk-footer .bk-logo img {
  height: 90px; }

.bk-page .bk-footer__tagline {
  margin-top: 42px;
  font-size: 14px;
  line-height: 2;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.9); }

.bk-footer__tagline span {
  display: block; }

.bk-footer__line {
  display: block;
  width: 56px;
  height: 2px;
  margin-top: 34px;
  background: var(--bk-blue); }

.bk-footer__side {
  position: absolute;
  z-index: 2;
  right: 7%;
  bottom: 26%;
  font-size: 14px;
  line-height: 2;
  letter-spacing: .32em;
  text-align: center;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.88); }

.bk-footer__side span {
  display: block; }

.bk-footer__copy {
  position: absolute;
  z-index: 2;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 16px;
  font-size: 12px;
  text-align: center;
  color: rgba(255, 255, 255, 0.72);
  border-top: 1px solid rgba(255, 255, 255, 0.14); }

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 1199px) {
  .bk-page .bk-nav {
    gap: 22px; }
  .bk-header__actions {
    margin-left: 20px;
    gap: 14px; }
  .bk-header__actions .bk-btn {
    display: none; }
  .bk-page .bk-tile__label {
    left: 16px;
    font-size: 11.5px; }
  .bk-page .bk-hero__title {
    font-size: 84px; }
  .bk-page .bk-title, .bk-page .bk-split .bk-title {
    font-size: 44px; }
  .bk-contact__grid {
    grid-template-columns: 1fr 60px 400px; }
  .bk-tech__content {
    padding-left: 32px; } }

@media (max-width: 991px) {
  .bk-page {
    --bk-gutter: 24px; }
  .bk-page .bk-title, .bk-page .bk-split .bk-title {
    font-size: 38px; }
  .bk-page .bk-hero__title {
    font-size: 68px; }
  .bk-page.bk-hero {
    min-height: 0;
    align-items: flex-start;
    padding: 72px 0 360px; }
  .bk-hero__bg {
    object-position: 72% bottom; }
  .bk-page.bk-hero::before {
    background: linear-gradient(180deg, #f5f8fc 0%, rgba(245, 248, 252, 0.93) 45%, rgba(245, 248, 252, 0.2) 72%, rgba(245, 248, 252, 0) 100%); }
  .bk-hero__side {
    top: auto;
    bottom: 40px;
    right: 24px;
    font-size: 12px; }
  .bk-page.bk-tech {
    grid-template-columns: 1fr; }
  .bk-tech__media {
    min-height: 360px; }
  .bk-tech__media img {
    -webkit-mask-image: linear-gradient(180deg, #000 75%, transparent 100%);
    mask-image: linear-gradient(180deg, #000 75%, transparent 100%); }
  .bk-tech__content {
    padding: 40px var(--bk-gutter) 80px; }
  /* Ô ảnh xuống dưới phần chữ nhưng vẫn giữ đủ số ô, xếp nghiêng thành 1 hàng như desktop */
  .bk-page .bk-split {
    grid-template-columns: 1fr;
    gap: 44px;
    padding-right: var(--bk-gutter); }
  .bk-page .bk-tiles, .bk-page.bk-showcase .bk-tiles {
    height: 400px;
    gap: 6px;
    margin: 0 -60px 0 46px; }
  .bk-page .bk-tile__label {
    left: 16px;
    bottom: 14px;
    font-size: 11.5px; }
  .bk-page.bk-apps, .bk-page.bk-showcase, .bk-page.bk-material {
    padding: 80px 0; }
  .bk-material__grid {
    grid-template-columns: 1fr; }
  .bk-material__figure {
    margin-left: 0; }
  .bk-page.bk-process {
    flex-direction: column;
    align-items: stretch;
    padding: 0 0 80px; }
  .bk-process__media {
    position: relative;
    width: 100%;
    height: 300px; }
  .bk-process__media::after {
    background: linear-gradient(0deg, #04060c 0%, rgba(4, 6, 12, 0) 45%); }
  .bk-page .bk-play {
    right: 50%;
    top: 45%;
    transform: translate(50%, -50%); }
  .bk-process__content {
    margin-top: 8px; }
  .bk-page.bk-contact {
    padding: 90px 0; }
  .bk-contact__grid {
    grid-template-columns: 1fr;
    gap: 48px; }
  .bk-contact__arrow {
    display: none; }
  .bk-page.bk-footer .bk-logo__word {
    font-size: 52px; }
  .bk-page.bk-footer {
    min-height: 560px; }
  .bk-footer__side {
    bottom: 76px;
    right: 24px;
    font-size: 11px; } }

@media (max-width: 575px) {
  .bk-page {
    --bk-gutter: 16px; }
  .bk-page .bk-title, .bk-page .bk-split .bk-title {
    font-size: 30px; }
  .bk-page .bk-hero__title {
    font-size: 50px; }
  .bk-page .bk-hero__sub {
    font-size: 15px; }
  .bk-page .bk-desc {
    font-size: 15px; }
  .bk-page.bk-hero {
    padding: 56px 0 300px; }
  .bk-page.bk-apps, .bk-page.bk-showcase, .bk-page.bk-material, .bk-page.bk-contact {
    padding: 64px 0; }
  .bk-tech__content {
    padding: 32px var(--bk-gutter) 64px; }
  .bk-page.bk-process {
    padding-bottom: 64px; }
  .bk-page .bk-feats {
    gap: 16px 22px; }
  .bk-page.bk-tech .bk-feats {
    grid-template-columns: 1fr;
    gap: 18px; }
  .bk-page .bk-feats--col .bk-feat {
    flex-direction: row;
    align-items: center; }
  .bk-page .bk-actions {
    gap: 12px; }
  .bk-page .bk-actions .bk-btn {
    width: 100%; }
  /* Điện thoại: ảnh lớn, lướt ngang (vuốt), ló một phần ảnh kế tiếp + chấm vị trí */
  .bk-page .bk-split {
    gap: 32px; }
  .bk-page .bk-tiles, .bk-page.bk-showcase .bk-tiles {
    height: 400px;
    gap: 12px;
    margin: 0 calc(var(--bk-gutter) * -1) 0 0;
    padding-right: var(--bk-gutter);
    overflow-x: auto;
    overscroll-behavior-x: contain;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none; }
  .bk-page.bk-showcase .bk-tiles {
    height: 440px; }
  .bk-page .bk-tiles::-webkit-scrollbar {
    display: none; }
  .bk-page .bk-tile {
    flex: 0 0 74%;
    transform: none;
    border-radius: 12px;
    scroll-snap-align: start; }
  .bk-page.bk-showcase .bk-tile {
    flex-basis: 82%;
    border-radius: 12px; }
  .bk-page .bk-tile img, .bk-page .bk-tile:hover img {
    left: 0;
    width: 100%;
    transform: none; }
  .bk-page .bk-tile::after {
    inset: 50% 0 0; }
  .bk-page .bk-tile__label {
    left: 18px;
    bottom: 18px;
    font-size: 14px;
    transform: none; }
  .bk-page .bk-dots {
    display: flex;
    justify-content: center;
    gap: 6px;
    margin-top: -12px; }
  .bk-page .bk-dots span {
    width: 6px;
    height: 6px;
    border-radius: 3px;
    background: #c9d1dd;
    transition: width .25s ease, background-color .25s ease; }
  .bk-page .bk-dots span.is-active {
    width: 20px;
    background: var(--bk-blue); }
  /* 3 ưu điểm ở Hero và 3 mục ở Form: chia đều 3 cột, không rớt dòng lẻ */
  .bk-page.bk-hero .bk-feats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px; }
  .bk-page.bk-hero .bk-feat {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px; }
  .bk-page.bk-hero .bk-feat__icon svg {
    width: 28px;
    height: 28px; }
  .bk-page.bk-hero .bk-feat strong {
    font-size: 13px; }
  .bk-page.bk-hero .bk-feat small {
    font-size: 11.5px; }
  .bk-page .bk-contact__items {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px; }
  .bk-contact__items li {
    font-size: 12px;
    line-height: 1.4; }
  .bk-page .bk-lang__toggle {
    gap: 4px;
    padding: 0 2px; }
  .bk-material__labels li {
    font-size: 10px;
    gap: 6px; }
  .bk-material__labels li::before {
    width: 28px; }
  .bk-page .bk-form {
    padding: 26px 20px 20px; }
  .bk-page.bk-footer {
    min-height: 480px; }
  .bk-page.bk-footer .bk-logo__word {
    font-size: 40px; }
  .bk-page.bk-footer .bk-logo__tag {
    font-size: 10px;
    letter-spacing: .6em; }
  .bk-footer__side {
    display: none; } }