@import url("https://fonts.googleapis.com/css2?family=Open+Sans:wght@400;600;700&family=Roboto:wght@400;500;700&display=swap");

/* SF Pro Display Fonts */
@font-face {
    font-family: 'SF Pro Display';
    src: url('https://nhanhoa.com/templates/fonts/SFPRODISPLAYREGULAR.OTF') format('opentype');
    font-weight: 400;
    font-style: normal;
}

@font-face {
    font-family: 'SF Pro Display';
    src: url('https://nhanhoa.com/templates/fonts/SFPRODISPLAYMEDIUM.OTF') format('opentype');
    font-weight: 500;
    font-style: normal;
}

@font-face {
    font-family: 'SF Pro Display';
    src: url('https://nhanhoa.com/templates/fonts/SFPRODISPLAYBOLD.OTF') format('opentype');
    font-weight: 700;
    font-style: normal;
}

/* Đã sửa URL cho weight 900 (Black) */
@font-face {
    font-family: 'SF Pro Display';
    src: url('https://nhanhoa.com/templates/fonts/SFPRODISPLAYBLACK.OTF?v=1') format('opentype'); 
    font-weight: 900;
    font-style: normal;
}

@font-face {
    font-family: 'SF Pro Display';
    src: url('https://nhanhoa.com/templates/fonts/SFPRODISPLAYHEAVYITALIC.OTF') format('opentype');
    font-weight: 800;
    font-style: italic;
}

@font-face {
    font-family: 'SF Pro Display';
    src: url('https://nhanhoa.com/templates/fonts/SFPRODISPLAYBLACKITALIC.OTF') format('opentype');
    font-weight: 900;
    font-style: italic;
}

@font-face {
    font-family: 'SF Pro Display';
    src: url('https://nhanhoa.com/templates/fonts/SFPRODISPLAYLIGHTITALIC.OTF') format('opentype');
    font-weight: 300;
    font-style: italic;
}

@font-face {
    font-family: 'SF Pro Display';
    src: url('https://nhanhoa.com/templates/fonts/SFPRODISPLAYSEMIBOLDITALIC.OTF') format('opentype');
    font-weight: 600;
    font-style: italic;
}

:root {
  --primary: #4abab9;
  --text: #1e232d;
  --text-2: #2b2b2b;
  --muted: #8b8b8b;
  --label: #515151;
  --cta-navy: #00172e;
  --win-blue: #0094fc;
  --cta-blue: #3cbaf5;
  --section: #f0f6ff;
  --section-2: #f7f9ff;
  --hero-bg: #c5e0f5;
  --card-pale: #f2fafa;
  --border: #e6ecf0;
  --white: #ffffff;
  --shadow-soft: 0 0 60px rgba(0, 0, 0, 0.08);
  --shadow-card: 0 0 30px rgba(74, 186, 185, 0.1);
  --shadow-blue: 0 0 50px rgba(63, 165, 224, 0.2);
  --container: 1440px;
  --header-height: 75px;
}


body {
  margin: 0;
  padding-top: var(--header-height);
  background: var(--white);
  color: var(--text);
  
  font-size: 16px;
  line-height: 1.5;

}

img {
  
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
}
main{
  padding-top: 30px;
}
.bq-container {
  width: min(var(--container), calc(100% - 48px));
  margin: 0 auto;
}

/* ---------- CTA pill (shared) ---------- */
.bq-pill {
  height: 54px;
  display: inline-flex;
  align-items: center;
  gap: 16px;
  padding: 4px 4px 4px 16px;
  border-radius: 65px;
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.16px;
  white-space: nowrap;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background-color 0.25s ease;
  font-family: "SF Pro Display", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif !important;
  width: fit-content;
}
section.bq-up-section .bq-pill {
    margin-left: auto;
}
.bq-faq-aside .bq-pill {
    margin-left: auto;
    margin-right: auto;
}
.bq-pill.teal {
  background: var(--primary);
  color: var(--white);
  justify-content: space-between;
}

.bq-pill.white {
  background: var(--white);
  color: var(--text);
  box-shadow: 0 0 15px #3ddafd, 0 4px 20px -4px #3ddafd;
}

.bq-pill .ico {
  width: 46px;
  height: 46px;
  flex: 0 0 46px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  box-shadow: 0 0 2px rgba(0, 0, 0, 0.25);
  transition: transform 0.25s ease;
}

.bq-pill.teal .ico {
  background: var(--white);
}

.bq-pill.white .ico {
  background: var(--primary);
}

.bq-pill .ico img {
  width: 22px;
  height: 22px;
}

.bq-pill:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(74, 186, 185, 0.28);
}

.bq-pill:hover .ico {
  transform: translateX(2px);
}

/* solid rounded button (cards) */
.bq-btn {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 32px;
  border-radius: 57px;
  background: var(--primary);
  color: var(--white);
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.16px;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background-color 0.25s ease;
}

.bq-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(74, 186, 185, 0.28);
}

/* ============================ HEADER ============================ */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  background: var(--white);
  box-shadow: 0 1px 7.5px rgba(0, 0, 0, 0.08);
}

.header-inner {
  width: min(1400px, calc(100% - 48px));
  height: var(--header-height);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  width: 184px;
  flex: 0 0 184px;
}

.brand img {
  width: 184px;
  height: auto;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.main-nav a:not(.header-cta) {
  padding: 12px 0;
  font-weight: 600;
  white-space: nowrap;
}

.main-nav a:not(.header-cta):hover {
  color: var(--primary);
}

.header-cta {
  min-height: 48px;
  padding: 0 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: var(--cta-navy);
  color: var(--white);
  font-family: Roboto, Arial, sans-serif;
  font-weight: 700;
  transition: background-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}

.header-cta:hover {
  background: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(74, 186, 185, 0.25);
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 9px;
  border: 0;
  border-radius: 12px;
  background: var(--cta-navy);
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  height: 2px;
  margin: 5px 0;
  border-radius: 2px;
  background: var(--white);
}

/* ============================ HERO ============================ */
.bq-hero {
  position: relative;
  background: var(--hero-bg);
  overflow: hidden;
}

.bq-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 642px) minmax(0, 1fr);
  align-items: center;
  gap: 32px;
  min-height: 721px;
  position: relative;
  z-index: 1;
}

/* Windows swirl: positioned like Figma (mostly off bottom-left, rotated + flipped) */
.bq-hero-wave {
  position: absolute;
  z-index: 0;
  width: 60vw;
  left: -20vw;
  bottom: -300px;
  opacity: 0.7;
  transform: rotate(-155.4deg) scaleY(-1);
  transform-origin: center center;
  pointer-events: none;
}

.bq-hero-content {
  position: relative;
  z-index: 2;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 32px;
  padding: 32px 0;
}

.bq-hero-wordmark,
.bq-hero-title {
  overflow-wrap: break-word;
}

.bq-hero-wordmark {
  margin: 0;
  font-family: "Segoe UI", "SF Pro Display", system-ui, sans-serif;
  font-size: 118px;
  font-weight: 700;
  line-height: 0.994;
  letter-spacing: -5.9px;
  color: var(--win-blue);
  white-space: nowrap;
}

.bq-hero-title {
  margin: 8px 0 0;
  font-size: 54px;
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: 1.08px;
  color: var(--text);
  font-family: "SF Pro Display", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif !important;
}

.bq-hero-list {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 24px;
}

.bq-hero-list li {
  display: grid;
  grid-template-columns: 16px minmax(0, 1fr);
  align-items: center;
  gap: 8px;
  font-size: 18px;
  font-weight: 500;
  line-height: 1.3;
  font-family: "SF Pro Display", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif !important;
}

.bq-hero-list img {
  width: 16px;
  height: 16px;
}

.bq-hero-cta {
  width: 240px;
}

.bq-hero-visual {
  position: relative;
  z-index: 1;
  width: min(100%, 798px);
  aspect-ratio: 798 / 717;
  justify-self: end;
}

.bq-hero-visual img {
  position: absolute;
  pointer-events: none;
}

.bq-hero-orbit {
  width: 83%;
  left: 17%;
  top: 4%;
  opacity: 0.7;
  z-index: 0;
}

.bq-hero-main {
  width: 100%;
  left: 0;
  top: 0;
  z-index: 1;
}

.bq-hero-laptop {
  width: 22.6%;
  left: 40.6%;
  top: 58%;
  z-index: 2;
}

.bq-hero-ms {
  width: 33.3%;
  left: 65%;
  top: 79.4%;
  z-index: 2;
}

/* ============================ SECTION 16 — tabs switcher ============================ */
.bq-tabs-section {
  background: var(--white);
}

.bq-tabs-wrap {
  padding: 32px 0;
  display: flex;
  justify-content: center;
}

.bq-tabs {
  display: inline-flex;
  gap: 16px;
  padding: 8px;
  /* Viền gradient cầu vồng (như Figma) thay vì 1 màu primary */
  border: 2px solid transparent;
  border-radius: 200px;
  background:
    linear-gradient(rgba(255, 255, 255, 0.85), rgba(255, 255, 255, 0.85)) padding-box,
    conic-gradient(
      from 210deg,
      #4abab9 0%,
      #8cc63f 14%,
      #f4d03f 28%,
      #f5a623 42%,
      #ec5f6a 56%,
      #b95fd6 70%,
      #5b7fe0 85%,
      #4abab9 100%
    ) border-box;
  box-shadow: 0 0 20px rgba(119, 194, 255, 0.1);
  backdrop-filter: blur(10px);
  max-width: 100%;
  overflow-x: auto;
  scrollbar-width: none;
}

.bq-tabs::-webkit-scrollbar {
  display: none;
}

.bq-tab {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  padding: 16px 24px;
  border: 0;
  border-radius: 24px;
  background: transparent;
  color: var(--text);
  font-family: "SF Pro Display", Arial, sans-serif;
  font-weight: 600;
  font-size: 16px;
  white-space: nowrap;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.bq-tab img {
  width: 32px;
  height: 32px;
  object-fit: contain;
}

.bq-tab.is-active {
  background: var(--primary);
  color: var(--white);
}

.bq-tab:not(.is-active):hover {
  background: rgba(74, 186, 185, 0.1);
}

/* ============================ SECTION 10 — 2 models ============================ */
.bq-models-section {
  position: relative;
  background: var(--white);
  overflow: hidden;
}

.bq-models-wrap {
  position: relative;
  z-index: 1;
  padding: 100px 0 96px;
  display: grid;
  gap: 64px;
  justify-items: center;
}

/* Vầng glow xanh mờ phía sau các card (như Figma) */
.bq-models-glow {
  position: absolute;
  z-index: 0;
  pointer-events: none;
  filter: blur(18px);
}

.bq-models-glow.g1 {
  width: 50rem;
    height: 22rem;
    right: -10px;
    bottom: -15px;
}

.bq-models-glow.g2 {
  width: 400px;
  left: 30%;
  top: 150px;
  opacity: 0.35;
}

.bq-tabs-wrap {
  padding-top: 40px;
  padding-bottom: 0;
}

.bq-section-title {
  margin: 0;
  text-align: center;
  font-size: 48px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--text);
  font-family: "SF Pro Display", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif !important;
}

.bq-section-sub {
  margin: 16px auto 0;
  max-width: 1000px;
  text-align: center;
  font-size: 16px;
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: 0.16px;
  color: var(--text);
  font-family: "SF Pro Display", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif !important;
}

.bq-models-grid {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 32px;
}

.bq-model-card {
  position: relative;
  min-height: 465px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  border-radius: 32px;
  background: var(--white);
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.08);
  overflow: hidden;
}

.bq-model-media {
  flex: none;
  height: 260px;
  border-radius: 16px;
  overflow: hidden;
}

.bq-model-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 20%;
}

.bq-model-media.icon-media {
  min-height: 240px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, #eaf3ff 0%, #f7fbff 100%);
}

.bq-model-media.icon-media img {
  width: 38%;
  height: auto;
  object-fit: contain;
}

.bq-model-card h3 {
  margin: 0;
  font-size: 32px;
  font-weight: 700;
  line-height: 1.2;
  font-family: "SF Pro Display", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif !important;
}

.bq-model-foot {
  display: flex;
  align-items: flex-end;
  gap: 16px;
}

.bq-model-foot p {
  margin: 0;
  flex: 1;
  font-size: 18px;
  font-weight: 500;
  line-height: 1.3;
  font-family: "SF Pro Display", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif !important;
}

.bq-model-foot .bq-btn {
  flex: 0 0 auto;
  white-space: nowrap;
}

/* ============================ SECTION 12 — pricing grid (8 cards) ============================ */
.bq-price-section {
  position: relative;
  background: var(--section);
  overflow: hidden;
}

.bq-price-wrap {
  padding: 128px 0;
  display: grid;
  gap: 64px;
  justify-items: center;
}

.bq-price-grid {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
}

.bq-price-card {
  position: relative;
  min-height: 340px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  border-radius: 24px;
  background: var(--white);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.bq-price-card.featured {
  border: 2px solid var(--cta-blue);
  box-shadow: 0 0 30px rgba(57, 205, 203, 0.5);
}

.bq-price-badge {
  position: absolute;
  top: 0;
  right: 0;
  height: 24px;
  padding: 0 16px;
  display: inline-flex;
  align-items: center;
  background: #ff2424;
  color: var(--white);
  font-size: 14px;
  font-weight: 500;
  border-radius: 0 24px 0 49px;
}

.bq-price-card h3 {
  margin: 0;
  font-size: 24px;
  font-weight: 700;
  line-height: 1.2;
  font-family: "SF Pro Display", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif !important;
}

.bq-price-feature {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 8px;
  align-items: start;
  font-size: 16px;
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: 0.16px;
  font-family: "SF Pro Display", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif !important;
}

.bq-price-feature img {
  width: 24px;
  height: 24px;
  margin-top: 2px;
  object-fit: contain;
}

.bq-price-spacer {
  flex: 1;
}

.bq-price-amount {
  text-align: left;
}

.bq-price-amount span {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--muted);
  line-height: 1.5;
}

.bq-price-amount strong {
  font-family: "SF Pro Display", Arial, sans-serif;
  font-size: 28px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text);
}

.bq-price-card .bq-btn {
  width: 100%;
}

/* ============================ SECTION 14 — enterprise table ============================ */
.bq-ent-section {
  background: var(--white);
}

.bq-ent-wrap {
  padding: 128px 0;
  display: grid;
  gap: 64px;
  justify-items: center;
}

.bq-ent-table-wrap {
  position: relative;
  width: 100%;
}

/* Logo nằm trong header cột "Tính năng"; absolute theo chính head nên
   không ảnh hưởng chiều cao hàng, vẫn dễ chỉnh bằng top/left tương đối */
.bq-ent-logo {
  width: 105px;
  transform: rotate(-8.29deg);
}

.bq-ent-table {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) 1fr 1fr 1fr;
  align-items: stretch;
  overflow: hidden;
  border-radius: 32px;
  background: var(--white);
  box-shadow: 0 0 30px rgba(74, 186, 185, 0.3);
}

.bq-ent-col {
  display: flex;
  flex-direction: column;
}

.bq-ent-col.feature {
  background: var(--white);
}

.bq-ent-col.e5,
.bq-ent-col.f3 {
  background: var(--card-pale);
}

.bq-ent-col.featured {
  background: var(--cta-navy);
  color: var(--white);
}

.bq-ent-head {
  min-height: 150px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  text-align: center;
}

.bq-ent-col.feature .bq-ent-head {
  position: relative;
    align-items: flex-end;
    justify-content: space-between;
    text-align: left;
    display: flex;
    flex-direction: row;
}

.bq-ent-head h3 {
  margin: 0;
  min-height: 58px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "SF Pro Display", Arial, sans-serif;
  font-size: 24px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.96px;
}

.bq-ent-head .bq-btn {
  width: 100%;
  min-height: 56px;
  font-family: Roboto, Arial, sans-serif;
}

.bq-ent-cell {
  min-height: 62px;
  padding: 8px 16px;
  display: flex;
  align-items: center;
  border-top: 1px solid var(--border);
  font-size: 18px;
  font-weight: 500;
  line-height: 1.3;
  font-family: "SF Pro Display", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif !important;
}

.bq-ent-col.feature .bq-ent-cell {
  justify-content: flex-start;
  text-align: left;
  font-weight: 500;
}

.bq-ent-col:not(.feature) .bq-ent-cell {
  justify-content: center;
  text-align: center;
}

.bq-ent-col.featured .bq-ent-cell {
  border-top-color: #2b2b2b;
}

.bq-ent-cell.center {
  justify-content: center;
  text-align: center;
}

/* ============================ CTA BANDS (Section 11 & 15) ============================ */
.bq-band {
  position: relative;
  overflow: hidden;
}

.bq-band.card-band {
  background: var(--white);
}

.bq-band.card-band .bq-band-inner {
  position: relative;
  border-radius: 32px;
  overflow: hidden;
}

.bq-band-11 {
  /* Nền band gộp thành 1 ảnh duy nhất (swirl + logo Windows + Microsoft).
     Neo trái để luôn giữ trọn logo Microsoft; phần cắt rơi vào swirl bên phải. */
  background: var(--hero-bg) url("https://nhanhoa.com/images/ban-quyen/windows/bq-band-combined.png") left center / cover no-repeat;
}

.bq-band-11 .bq-band-inner {
  padding: 96px 0;
}

.bq-band-15 {
  background: linear-gradient(180deg, #ffffff 0%, var(--section-2) 51%);
  margin-bottom: -150px;
    position: inherit;
}

.bq-band-15 .bq-band-inner {
  padding: 64px 32px;
}

.bq-band-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.7;
  pointer-events: none;
  z-index: 0;
}

.bq-band-15 .bq-band-bg {
  opacity: 1;
  object-fit: fill; /* ảnh nền đã chứa chấm + mạch + Word/Teams, lấp đầy nguyên ảnh */
}

.bq-band-deco {
  position: absolute;
  pointer-events: none;
  z-index: 1;
}

.bq-band-logo {
  width: 161px;
  left: 8%;
  top: 12%;
  opacity: 0.5;
  transform: rotate(-8.29deg);
}

.bq-band-dots {
  width: 18%;
  left: 8%;
  bottom: 14%;
  opacity: 0.8;
}

.bq-band-copilot-1 {
  width: 100px;
  left: 1.7%;
  top: 43%;
  transform: rotate(-18.53deg);
}

.bq-band-copilot-2 {
  width: 39px;
  left: 86%;
  top: 45%;
  transform: rotate(-18.53deg);
}

.bq-band-content {
  position: relative;
  z-index: 2;
  display: grid;
  gap: 32px;
  justify-items: center;
  text-align: center;
}

.bq-band-content h2 {
  margin: 0;
  max-width: 1344px;
  font-size: 48px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--text);
  font-family: "SF Pro Display", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif !important;
}

/* ============================ SECTION 9 — value cards ============================ */
.bq-value-section {
  position: relative;
  background: var(--white);
  overflow: hidden;
}

.bq-value-wrap {
  padding: 128px 0;
  display: grid;
  gap: 80px;
  justify-items: center;
}

.bq-value-layout {
  width: 100%;
  display: grid;
  grid-template-columns: minmax(0, 460px) minmax(360px, 489px) minmax(0, 460px);
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.bq-value-col {
  display: grid;
  gap: 72px;
}

.bq-value-card {
  position: relative;
  padding: 24px;
  display: grid;
  grid-template-columns: 80px minmax(0, 1fr);
  align-items: center;
  gap: 24px;
  background: var(--white);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
  z-index: 9;
}

.bq-value-card img {
  width: 80px;
  height: 80px;
  object-fit: contain;
}

.bq-value-card h3 {
  margin: 0 0 8px;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 0.6px;
  font-family: "SF Pro Display", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif !important;
}

.bq-value-card p {
  margin: 0;
  font-size: 16px;
  font-weight: 400;
  line-height: 1.5;
  font-family: "SF Pro Display", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif !important;
  
}

.corner-1 {
  border-radius: 32px 32px 8px 32px;
}

.corner-2 {
  border-radius: 32px 8px 32px 32px;
}

.corner-3 {
  border-radius: 32px 32px 32px 8px;
}

.corner-4 {
  border-radius: 8px 32px 32px 32px;
}

.bq-value-visual {
  position: relative;
  width: min(100%, 489px);
  aspect-ratio: 1;
  justify-self: center;
  isolation: isolate;
}

.bq-value-visual::before {
  content: "";
  position: absolute;
  z-index: 0;
  width: 127%;
  aspect-ratio: 622.885 / 631.302;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  background: url("https://nhanhoa.com/images/ban-quyen/windows/bq-feat-rings.svg") center / contain no-repeat;
}

.bq-value-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background-image:
    radial-gradient(circle 9px at 33.8% 14.7%, #ff4d4f 97%, transparent 100%),
    radial-gradient(circle 6px at 12.3% 13.8%, #c9ccd6 97%, transparent 100%),
    radial-gradient(circle 6px at 93.3% 18.7%, #4abab9 97%, transparent 100%),
    radial-gradient(circle 7px at 86.7% 36.8%, #3b82f6 97%, transparent 100%),
    radial-gradient(circle 6px at 9.2% 58.9%, #8b5cf6 97%, transparent 100%),
    radial-gradient(circle 6px at 59.4% 90.8%, #f59e0b 97%, transparent 100%);
}

.bq-value-logo {
  position: absolute;
  z-index: 1;
  width: 94%;
  height: auto;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}

.bq-value-avatar {
  position: absolute;
  z-index: 3;
  border-radius: 50%;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.14);
}

.bq-value-avatar.a1 {
  width: 18%;
  left: 72.5%;
  top: 3.3%;
}

.bq-value-avatar.a2 {
  width: 10.8%;
  left: 81.5%;
  top: 71.4%;
}

.bq-value-avatar.a3 {
  width: 10.8%;
  left: 0.5%;
  top: 39.2%;
}

/* ============================ SECTION 31 — AI cards ============================ */
.bq-ai-section {
  position: relative;
  overflow: hidden;
  background: var(--white);
}

.bq-ai-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.bq-ai-fade {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0) 70%, #ffffff 100%);
  pointer-events: none;
}

.bq-ai-wrap {
  position: relative;
  z-index: 2;
  padding: 128px 0;
  display: grid;
  gap: 64px;
  justify-items: center;
}

.bq-ai-grid {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.bq-ai-card {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding: 32px;
  border-radius: 32px;
  background: var(--white);
  box-shadow: 0 0 25px rgba(38, 183, 216, 0.2);
  overflow: hidden;
}

.bq-ai-card h3 {
  margin: 0;
  font-size: 32px;
  font-weight: 700;
  line-height: 1.2;
  text-align: center;
  font-family: "SF Pro Display", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif !important;
}

.bq-ai-card p {
  margin: 0;
  font-size: 16px;
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: 0.16px;
}

.bq-ai-media {
  margin-top: auto;
  height: 250px;
  border-radius: 16px;
  overflow: hidden;
}

.bq-ai-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
}

/* ============================ SECTION 13 — upgrade ============================ */
.bq-up-section {
  background: var(--section-2);
  overflow: hidden;
  padding-top: 150px;
}

.bq-up-wrap {
  padding: 96px 0;
  display: grid;
  gap: 64px;
  justify-items: center;
}

.bq-up-layout {
  width: 100%;
  display: grid;
  grid-template-columns: minmax(0, 671px) minmax(0, 1fr);
  align-items: center;
  gap: 80px;
}

.bq-up-visual {
  position: relative;
  width: 100%;
  aspect-ratio: 671 / 603;
}

.bq-up-visual img {
  position: absolute;
  pointer-events: none;
}

.bq-up-ring {
  width: 90%;
  height: 100%;
  left: 5%;
  top: 0;
  z-index: 0;
}

.bq-up-laptop {
  width: 100%;
  left: 0;
  top: 0;
  z-index: 1;
}

.bq-up-word {
  width: 22%;
  left: 40%;
  top: 55%;
  z-index: 2;
}

.bq-up-copilot-1 {
  width: 15%;
  left: 6%;
  top: 2%;
  z-index: 3;
  transform: rotate(5deg);
}

.bq-up-copilot-2 {
  width: 9%;
  left: 72%;
  top: 82%;
  z-index: 3;
  transform: rotate(-18.53deg);
}

.bq-up-right {
  display: grid;
  gap: 32px;
}

.bq-up-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.bq-up-card {
  min-height: 243px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-radius: 32px;
  background: var(--white);
  box-shadow: var(--shadow-blue);
  overflow: hidden;
}

.bq-up-card img {
  width: 64px;
  height: 64px;
  object-fit: contain;
}

.bq-up-card h3 {
  margin: 0 0 8px;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 0.6px;
  font-family: "SF Pro Display", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif !important;
}

.bq-up-card p {
  margin: 0;
  font-size: 18px;
  font-weight: 500;
  line-height: 1.3;
}

.bq-up-cards .txt {
  display: block;
}

.bq-up-cta {
  width: 240px;
  justify-self: start;
}

.bq-up-section .bq-section-title {
  text-align: center;
}

/* ============================ SECTION 53 — why ============================ */
.bq-why-section {
  position: relative;
  background: var(--white);
  overflow: hidden;
}

.bq-why-wrap {
  padding: 128px 0;
  display: grid;
  gap: 64px;
  justify-items: center;
}

.bq-why-bg {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 774px;
  max-width: 90%;
  transform: translate(-50%, -50%);
  z-index: 0;
  pointer-events: none;
}

.bq-why-grid {
  position: relative;
  z-index: 1;
  width: 100%;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
}

.bq-why-card {
  position: relative;
  min-height: 417px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  border-radius: 24px;
  background: var(--white);
  box-shadow: 0 0 25px rgba(38, 183, 216, 0.2);
  overflow: hidden;
}

.bq-why-media {
  width: 100%;
  height: 200px;
  border-radius: 16px;
  overflow: hidden;
}

.bq-why-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.bq-why-card h3 {
  margin: 0;
  font-size: 24px;
  font-weight: 700;
  line-height: 1.2;
  font-family: "SF Pro Display", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif !important;
}

.bq-why-card p {
  margin: 0;
  font-size: 16px;
  font-weight: 400;
  line-height: 1.5;
  text-align: justify;
}

/* ============================ SECTION 55 — consult form ============================ */
.bq-consult-section {
  position: relative;
  overflow: hidden;
}

.bq-consult-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.bq-consult-illus {
  position: absolute;
  right: -4%;
  bottom: -2%;
  width: 58%;
  opacity: 0.7;
  z-index: 1;
  pointer-events: none;
}

.bq-consult-wrap {
  position: relative;
  z-index: 2;
  width: min(1280px, calc(100% - 48px));
  margin: 0 auto;
  min-height: 561px;
  padding: 48px 0;
  display: grid;
  grid-template-columns: 517px minmax(0, 1fr);
  align-items: center;
  gap: 48px;
}

.bq-consult-form {
  width: 517px;
  max-width: 100%;
  padding: 32px;
  display: grid;
  gap: 32px;
  border-radius: 32px;
  background: var(--white);
  box-shadow: 0 0 15px rgba(0, 0, 0, 0.1);
}

.bq-consult-form h3 {
  margin: 0;
  text-align: center;
  font-size: 24px;
  font-weight: 700;
  line-height: 1.2;
}

.bq-consult-fields {
  display: grid;
  gap: 24px;
}

.bq-field {
  display: grid;
  gap: 4px;
}

.bq-field>span {
  font-size: 16px;
  color: var(--label);
  line-height: 1.5;
}

.bq-field>span b {
  color: #ff0000;
  font-weight: 400;
}

.bq-field input {
  width: 100%;
  height: 48px;
  padding: 12px 13px;
  border: 1px solid var(--border);
  border-radius: 16px;
  outline: 0;
  background: var(--section);
  color: var(--text);
  font: inherit;
}

.bq-field input::placeholder {
  color: var(--muted);
}

.bq-field input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(74, 186, 185, 0.16);
}

.bq-radios {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.bq-radio {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.16px;
  cursor: pointer;
}

.bq-radio input {
  width: 16px;
  height: 16px;
  accent-color: var(--primary);
}

.bq-consult-submit {
  width: 100%;
  min-height: 56px;
  border: 0;
  border-radius: 57px;
  background: var(--primary);
  color: var(--white);
  font-family: Roboto, Arial, sans-serif;
  font-weight: 500;
  font-size: 16px;
  letter-spacing: 0.16px;
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background-color 0.25s ease;
}

.bq-consult-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(74, 186, 185, 0.28);
}

.bq-consult-right {
  display: grid;
  gap: 48px;
  justify-items: center;
  text-align: center;
}

.bq-consult-right h2 {
  margin: 0;
  font-size: 48px;
  font-weight: 700;
  line-height: 1.1;
  font-family: "SF Pro Display", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif !important;
}

.bq-consult-right p {
  margin: 0;
  font-family: "SF Pro Display", Arial, sans-serif;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
}

.bq-consult-logo {
  display: grid;
  justify-items: center;
  gap: 8px;
}

.bq-consult-logo img {
  width: 184px;
  height: auto;
}

.bq-consult-logo span {
  font-family: "Segoe UI", "SF Pro Display", system-ui, sans-serif;
  font-size: 53px;
  font-weight: 700;
  letter-spacing: -2.67px;
  line-height: 0.994;
  color: var(--white);
}

/* ============================ SECTION 8 — FAQ ============================ */
.bq-faq-section {
  background: var(--white);
  overflow: hidden;
}

.bq-faq-wrap {
  width: min(1280px, calc(100% - 48px));
  margin: 0 auto;
  padding: 96px 0;
  display: grid;
  gap: 64px;
}

.bq-faq-head {
  display: grid;
  gap: 16px;
  text-align: center;
}

.bq-faq-head .eyebrow {
  font-family: "SF Pro Display", Arial, sans-serif;
  font-size: 24px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.2;
}

.bq-faq-head h2 {
  margin: 0;
  font-size: 48px;
  font-weight: 700;
  line-height: 1.1;
  font-family: "SF Pro Display", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif !important;
}

.bq-faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 737px;
  align-items: center;
  gap: 24px;
}

.bq-faq-aside {
  display: grid;
  gap: 32px;
  justify-items: center;
}

.bq-faq-illus {
  width: min(100%, 425px);
}

.bq-faq-cta-card {
  width: 100%;
  max-width: 508px;
  padding: 24px;
  display: grid;
  gap: 29px;
  border-radius: 20px;
  background: var(--white);
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.08);
}

.bq-faq-cta-card h3 {
  margin: 0;
  text-align: center;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 0.6px;
}

.bq-faq-cta-card p {
  margin: 0;
  font-size: 14px;
  font-weight: 400;
  line-height: 1.5;
  color: var(--text-2);
}

.bq-faq-list {
  display: grid;
  gap: 16px;
}

.bq-faq-item {
  border: 1px solid rgba(74, 186, 185, 0.5);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(5px);
  overflow: hidden;
}

.bq-faq-q {
  width: 100%;
  min-height: 72px;
  padding: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border: 0;
  background: transparent;
  color: var(--text);
  text-align: left;
  cursor: pointer;
}

.bq-faq-q span {
  font-family: "SF Pro Display", Arial, sans-serif;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.15;
}

.bq-faq-icon {
  width: 40px;
  height: 40px;
  flex: 0 0 40px;
  border: 1px solid rgba(19, 19, 19, 0.1);
  border-radius: 50%;
  background: center / 24px 24px no-repeat url("https://nhanhoa.com/images/ban-quyen/windows/bq-contact-plus.svg");
}

.bq-faq-item.is-open .bq-faq-icon {
  background-image: url("https://nhanhoa.com/images/ban-quyen/windows/bq-contact-minus.svg");
}

.bq-faq-a {
  display: none;
  padding: 0 56px 16px 16px;
  font-family: Roboto, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  color: var(--text);
}

.bq-faq-a p {
  margin: 0 0 12px;
}

.bq-faq-a p:last-child {
  margin-bottom: 0;
}

.bq-faq-item.is-open .bq-faq-a {
  display: block;
}

/* ============================ RESPONSIVE ============================ */
@media (max-width: 1280px) {
  .bq-hero-wordmark {
    font-size: 92px;
    letter-spacing: -4px;
  }

  .bq-hero-title {
    font-size: 44px;
  }

  .bq-price-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .bq-ent-table {
    grid-template-columns: minmax(0, 1.3fr) 1fr 1fr 1fr;
  }

  .bq-value-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .bq-value-col {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .bq-value-visual {
    order: -1;
    max-width: 460px;
  }

  .bq-section-title,
  .bq-band-content h2,
  .bq-consult-right h2,
  .bq-faq-head h2 {
    font-size: 40px;
  }
}

@media (max-width: 1024px) {
  .header-inner {
    width: min(calc(100% - 40px), var(--container));
  }

  .menu-toggle {
    display: block;
  }

  .main-nav {
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    display: grid;
    gap: 0;
    padding: 12px 20px 20px;
    background: var(--white);
    box-shadow: 0 18px 32px rgba(0, 0, 0, 0.1);
    transform: translateY(-16px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
  }

  .main-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .main-nav a:not(.header-cta) {
    padding: 14px 0;
  }

  .header-cta {
    width: max-content;
    margin-top: 8px;
  }

  .bq-hero-grid {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .bq-hero-wave {
    display: none;
  }

  .bq-hero-visual {
    justify-self: center;
    max-width: 600px;
  }

  .bq-hero-content {
    padding-top: 24px;
  }

  .bq-models-grid {
    grid-template-columns: 1fr;
  }

  .bq-ent-table-wrap {
    overflow-x: auto;
  }

  .bq-ent-table {
    min-width: 900px;
  }

  .bq-up-layout {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .bq-up-visual {
    max-width: 520px;
    justify-self: center;
  }

  .bq-up-cta {
    justify-self: center;
  }

  .bq-why-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .bq-consult-wrap {
    grid-template-columns: 1fr;
    justify-items: center;
  }

  .bq-consult-illus {
    display: none;
  }

  .bq-faq-layout {
    grid-template-columns: 1fr;
  }

  .bq-faq-aside {
    order: 2;
  }

  .bq-models-wrap,
  .bq-price-wrap,
  .bq-ent-wrap,
  .bq-value-wrap,
  .bq-ai-wrap,
  .bq-up-wrap,
  .bq-why-wrap {
    padding: 80px 0;
  }
}

@media (max-width: 768px) {
  main{
    padding-top: 0;
  }
  .bq-tab {
      padding: 10px 40px 10px 20px;
  }
  .bq-hero-content{
    gap: 20px;
  }
  .bq-container {
    width: min(calc(100% - 32px), var(--container));
  }

  .brand,
  .brand img {
    width: 154px;
  }

  .bq-hero-wordmark {
    font-size: 64px;
    letter-spacing: -3px;
  }

  .bq-hero-title {
    font-size: 34px;
  }

  .bq-hero-list {
    grid-template-columns: 1fr;
  }

  .bq-hero-cta {
    width: 100%;
  }

  .bq-section-title,
  .bq-band-content h2,
  .bq-consult-right h2,
  .bq-faq-head h2 {
    font-size: 32px;
  }

  .bq-price-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .bq-ai-grid {
    grid-template-columns: 1fr;
  }

  .bq-ai-media {
    height: 220px;
  }

  .bq-up-cards {
    grid-template-columns: 1fr;
  }

  .bq-why-grid {
    grid-template-columns: 1fr;
  }

  .bq-model-foot {
    flex-direction: column;
    align-items: stretch;
  }

  .bq-model-foot .bq-btn {
    width: 100%;
  }

  .bq-consult-form {
    width: 100%;
  }

  .bq-model-card h3,
  .bq-ai-card h3 {
    font-size: 26px;
  }
}

@media (max-width: 520px) {
  .bq-hero-wordmark {
    font-size: 44px;
    letter-spacing: -1.5px;
  }

  .bq-hero-title {
    font-size: 26px;
    letter-spacing: 0;
    line-height: 1.5;
  }

  .bq-price-grid {
    grid-template-columns: 1fr;
  }

  .bq-section-title,
  .bq-band-content h2,
  .bq-consult-right h2,
  .bq-faq-head h2 {
    font-size: 26px;
  }

  .bq-value-col {
    grid-template-columns: 1fr;
  }

  .bq-band-15 .bq-band-inner {
    padding: 48px 20px;
  }
}