:root {
  --bg: #ffffff;
  --card: #f5f5f5;
  --card2: #efefef;
  --txt: #1a1a1a;
  --muted: rgba(26, 26, 26, .65);
  --line: rgba(26, 26, 26, .12);

  /* ✅ Màu chủ đạo HỒNG */
  --brand: #ff4da6;
  /* hồng đậm */
  --brand2: #ff8acb;
  /* hồng pastel */

  --ok: #2dd4bf;
  --warn: #fbbf24;
  --danger: #fb7185;
  --shadow: 0 20px 60px rgba(0, 0, 0, .12);
  --radius: 18px;
  --radius2: 26px;
  --max: 1120px;
}

* {
  box-sizing: border-box
}

html,
body {
  height: 100%
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--txt);
  background: linear-gradient(180deg, #ffffff 0%, #fafafa 100%);
  overflow-x: hidden;
  font-size: 16px;
  line-height: 1.6;
}

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

.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 16px
}

/* Header */
.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, .85);
  border-bottom: 1px solid var(--line);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 10px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background:
    radial-gradient(circle at 25% 25%, rgba(255, 255, 255, .8), transparent 45%),
    linear-gradient(135deg, var(--brand) 0%, var(--brand2) 100%);
  box-shadow: 0 10px 30px rgba(255, 77, 166, .25);
}

.brand h1 {
  font-size: 13px;
  line-height: 1.1;
  margin: 0;
  font-weight: 600;
  text-align: center
}

.brand p {
  margin: 0;
  font-size: 11px;
  color: var(--muted)
}

.brand span {
  margin: 0;
  font-size: 11px;
  color: var(--muted);
  display: block;
  text-align: center
}

.links {
  display: none
}

.links a {
  font-size: 13px;
  color: var(--muted);
  padding: 8px 10px;
  border-radius: 12px;
  transition: .2s ease;
}

.links a:hover {
  color: var(--txt);
  background: rgba(255, 255, 255, .06)
}

.actions {
  display: flex;
  align-items: center;
  gap: 10px
}

.btn {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, .6);
  color: var(--txt);
  padding: 14px 16px;
  border-radius: 14px;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: .2s ease;
  cursor: pointer;
  user-select: none;
  min-height: 44px;
}

.btn:hover {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, .8)
}

.btn.primary {
  border-color: transparent;
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand2) 100%);
  box-shadow: 0 14px 35px rgba(255, 77, 166, .25);
}

.btn.primary:hover {
  filter: saturate(1.1) brightness(1.02)
}

.burger {
  display: inline-flex;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, .6);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  min-width: 48px;
}

.burger span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--txt);
  margin: 0 auto;
  position: relative;
}

.burger span::before,
.burger span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background: var(--txt);
}

.burger span::before {
  top: -6px
}

.burger span::after {
  top: 6px
}

/* Mobile menu */
.mobile {
  display: block;
  padding: 0 0 14px
}

#mobileMenu[hidden] {
  display: none !important
}

.mobile .panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .9);
  overflow: hidden;
}

.mobile a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 14px;
  color: var(--muted);
  border-top: 1px solid var(--line);
  font-size: 15px;
  min-height: 44px;
}

.mobile a:first-child {
  border-top: none
}

.mobile a:hover {
  color: var(--txt);
  background: rgba(255, 255, 255, .05)
}

/* Hero */
.hero {
  padding: 16px 0 12px;
  margin-top: 80px
}

.heroGrid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  align-items: stretch;
}

.heroLeft {
  border: 1px solid var(--line);
  border-radius: var(--radius2);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, .7), rgba(255, 255, 255, .5));
  box-shadow: var(--shadow);
  overflow: hidden;
  position: relative;
}

.heroBanner {
  width: 100%;
  height: 140px;
  object-fit: cover;
  display: block;
  filter: saturate(1.05) contrast(1.05);
}

.heroContent {
  padding: 18px
}

.badgeRow {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px
}

.badge {
  font-size: 12px;
  color: rgba(26, 26, 26, .85);
  background: rgba(26, 26, 26, .08);
  border: 1px solid rgba(26, 26, 26, .15);
  padding: 6px 10px;
  border-radius: 999px;
}

.badge.ok {
  border-color: rgba(45, 212, 191, .35);
  background: rgba(45, 212, 191, .12)
}

.badge.warn {
  border-color: rgba(251, 191, 36, .35);
  background: rgba(251, 191, 36, .12)
}

.title {
  font-size: 22px;
  line-height: 1.15;
  margin: 0 0 10px;
  letter-spacing: -.3px;
}

.subtitle {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
  max-width: 60ch;
}

.heroCTAs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.note {
  margin-top: 14px;
  padding: 12px 12px;
  border: 1px dashed rgba(26, 26, 26, .2);
  border-radius: 16px;
  color: rgba(26, 26, 26, .75);
  font-size: 12px;
  line-height: 1.55;
  background: rgba(26, 26, 26, .05);
}

.heroRight {
  border: 1px solid var(--line);
  border-radius: var(--radius2);
  background: rgba(245, 245, 245, .8);
  overflow: hidden;
  box-shadow: var(--shadow);
  position: relative;
}

.poster {
  width: 100%;
  height: 100%;
  min-height: 260px;
  object-fit: cover;
  display: block;
  filter: saturate(1.02) contrast(1.02);
}

.posterOverlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, .02) 0%, rgba(0, 0, 0, .55) 100%);
  pointer-events: none;
}

.posterCTA {
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 14px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.posterCTA .btn {
  flex: 1;
  justify-content: center
}

/* Sections */
section {
  padding: 22px 0
}

.sectionHead {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 14px;
}

.sectionHead h2 {
  margin: 0;
  font-size: 18px;
  letter-spacing: -.2px;
}

.sectionHead p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
  max-width: 64ch;
}

/* Grids (mobile default) */
.grid3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .9);
  padding: 16px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, .08);
}

.cardTop {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
}

.chip {
  font-size: 11px;
  padding: 6px 9px;
  border-radius: 999px;
  border: 1px solid rgba(26, 26, 26, .15);
  background: rgba(26, 26, 26, .07);
  color: rgba(26, 26, 26, .8);
  white-space: nowrap;
}

.chip.grad {
  border: none;
  background: linear-gradient(135deg, rgba(255, 77, 166, .26), rgba(255, 138, 203, .18));
}

.card h3 {
  margin: 0 0 6px;
  font-size: 15px
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55
}

.list {
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  color: rgba(26, 26, 26, .75);
  font-size: 13px;
  line-height: 1.45;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  margin-top: 4px;
  background: linear-gradient(135deg, var(--brand), var(--brand2));
  box-shadow: 0 10px 22px rgba(255, 77, 166, .25);
  flex: 0 0 auto;
}

/* Steps */
.steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  align-items: stretch;
}

.steps .card {
  height: 100%
}

.stepLine {
  display: grid;
  gap: 10px;
  margin-top: 10px
}

.step {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 12px;
  border-radius: 16px;
  border: 1px solid rgba(26, 26, 26, .12);
  background: rgba(26, 26, 26, .04);
}

.num {
  width: 28px;
  height: 28px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  background: linear-gradient(135deg, rgba(255, 77, 166, .15), rgba(255, 138, 203, .12));
  border: 1px solid rgba(255, 77, 166, .3);
  flex: 0 0 auto;
}

.step b {
  display: block;
  font-size: 13px;
  margin-bottom: 3px
}

.step span {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5
}

/* FAQ */
.faq {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

details {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .9);
  padding: 12px 12px;
}

summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 15px;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  color: var(--txt);
  padding: 4px 0;
  min-height: 44px;
}

summary::-webkit-details-marker {
  display: none
}

.chev {
  width: 10px;
  height: 10px;
  border-right: 2px solid rgba(26, 26, 26, .7);
  border-bottom: 2px solid rgba(26, 26, 26, .7);
  transform: rotate(45deg);
  transition: .2s ease;
  margin-right: 4px;
  flex: 0 0 auto;
}

details[open] .chev {
  transform: rotate(225deg)
}

details p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

/* Contact */
.contact {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.field {
  display: grid;
  gap: 8px;
  margin-top: 10px
}

input,
textarea {
  width: 100%;
  border: 1px solid rgba(26, 26, 26, .2);
  background: rgba(26, 26, 26, .04);
  color: var(--txt);
  border-radius: 14px;
  padding: 14px 12px;
  font-size: 16px;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}

textarea {
  min-height: 110px;
  resize: vertical
}

input:focus,
textarea:focus {
  border-color: rgba(255, 77, 166, .55)
}

.hint {
  font-size: 12px;
  color: rgba(26, 26, 26, .6);
  margin-top: 8px;
  line-height: 1.5
}

/* Footer */
footer {
  padding: 20px 0 26px;
  border-top: 1px solid var(--line);
  background: rgba(26, 26, 26, .03);
  margin-top: 18px;
}

.foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: rgba(26, 26, 26, .65);
  font-size: 12px;
}

.foot a {
  color: rgba(26, 26, 26, .85);
  text-decoration: underline;
  text-decoration-color: rgba(26, 26, 26, .25)
}

/* Floating call button */
.floatWrap {
  position: fixed;
  right: 12px;
  bottom: 12px;
  z-index: 80;
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: flex-end;
}

.fab {
  display: flex;
  align-items: center;
  gap: 10px;
  border-radius: 999px;
  padding: 12px 14px;
  border: 1px solid rgba(26, 26, 26, .15);
  background: rgba(255, 255, 255, .95);
  box-shadow: 0 18px 55px rgba(0, 0, 0, .15);
  cursor: pointer;
  transition: .2s ease;
  min-height: 44px;
}

.fab:hover {
  transform: translateY(-2px)
}

.fab img {
  width: 22px;
  height: 22px;
  display: block;
  filter: drop-shadow(0 8px 20px rgba(0, 0, 0, .35));
}

.fab small {
  display: block;
  color: rgba(26, 26, 26, .6);
  font-size: 11px;
  margin-top: 2px
}

.fab strong {
  font-size: 13px
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 18px;
  transform: translateX(-50%);
  background: rgba(255, 255, 255, .95);
  border: 1px solid rgba(26, 26, 26, .15);
  padding: 10px 12px;
  border-radius: 999px;
  color: rgba(26, 26, 26, .8);
  font-size: 12px;
  opacity: 0;
  pointer-events: none;
  transition: .25s ease;
  box-shadow: 0 18px 55px rgba(0, 0, 0, .15);
  z-index: 90;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(-6px)
}

/* Services Grid */
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.service-card {
  border: 2px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .95);
  padding: 16px;
  display: flex;
  align-items: center;
  gap: 14px;
  transition: all 0.3s ease;
  cursor: pointer;
}

.service-card:hover {
  border-color: var(--brand);
  box-shadow: 0 8px 24px rgba(255, 77, 166, .15);
  transform: translateY(-2px);
}

.service-logo {
  width: 60px;
  height: 60px;
  object-fit: contain;
  border-radius: 12px;
  background: rgba(245, 245, 245, .8);
  padding: 8px;
  flex-shrink: 0;
}

.service-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.service-title {
  font-size: 12px;
  color: var(--brand);
  font-weight: 500;
}

.service-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--txt);
}

/* Credit Cards Grid */
.credit-cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.credit-card {
  border: 3px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .95);
  overflow: hidden;
  transition: all 0.3s ease;
  cursor: pointer;
  display: block;
}

.credit-card:hover {
  border-color: var(--brand);
  box-shadow: 0 8px 24px rgba(255, 77, 166, .2);
  transform: translateY(-3px);
}

.credit-card-header {
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand2) 100%);
  color: white;
  padding: 12px 16px;
  font-size: 14px;
  font-weight: 700;
  text-align: center;
  letter-spacing: 0.5px;
}

.credit-card-image {
  width: 100%;
  height: auto;
  display: block;
  padding: 20px;
  object-fit: contain;
  background: white;
}

/* Extra small */
@media (max-width: 360px) {
  .title {
    font-size: 20px
  }

  .heroBanner {
    height: 130px
  }

  .service-logo {
    width: 50px;
    height: 50px;
  }

  .service-name {
    font-size: 14px;
  }

  .credit-card-header {
    font-size: 12px;
    padding: 10px 12px;
  }
}

/* =========================
   TABLET (>= 640px)
   ========================= */
@media (min-width: 640px) {
  .container {
    padding: 0 18px
  }

  .heroBanner {
    height: 155px
  }

  .title {
    font-size: 24px
  }

  .grid3 {
    grid-template-columns: repeat(2, 1fr)
  }

  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .credit-cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* =========================
   DESKTOP (>= 980px)
   ========================= */
@media (min-width: 980px) {
  .links {
    display: flex;
    align-items: center;
    gap: 16px
  }

  .burger {
    display: none
  }

  .mobile {
    display: none
  }

  .hero {
    padding: 34px 0 22px
  }

  .heroGrid {
    grid-template-columns: 1.2fr .8fr;
    gap: 18px
  }

  .heroBanner {
    height: 160px
  }

  .title {
    font-size: 28px
  }

  .grid3 {
    grid-template-columns: repeat(3, 1fr)
  }

  .steps {
    grid-template-columns: 1.1fr .9fr
  }

  .faq {
    grid-template-columns: 1fr 1fr
  }

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

  .floatWrap {
    right: 16px;
    bottom: 16px
  }

  .services-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .credit-cards-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}