:root {
  color-scheme: light;
  font-family: "Helvetica Neue", Arial, sans-serif;
  --primary: #d71920;
  --secondary: #f5f5f5;
  --text-dark: #1b1b1b;
  --text-light: #ffffff;
}

html,
body {
  margin: 0;
  color: var(--text-dark);
  background: #ffffff;
  line-height: 1.6;
  overflow-x: hidden;
}

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

header {
  background: #ffffff;
  color: var(--text-dark);
  padding: 24px 16px;
  border-bottom: 1px solid #f0f0f0;
}

.header-logo {
  display: block;
  height: auto;
  max-width: 240px;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  max-width: 1080px;
  margin: 0 auto;
}

.header-hotline {
  color: var(--primary);
  font-weight: 700;
  font-size: clamp(16px, 2.2vw, 20px);
  text-decoration: none;
}

.header-hotline:hover,
.header-hotline:focus {
  text-decoration: underline;
}

.hero-image {
  display: flex;
  justify-content: center;
  align-items: center;
  background: #d71920;
}

.hero-image img {
  width: 100%;
  height: auto;
  max-width: 1440px;
  display: block;
}

.tv360-image {
  display: flex;
  justify-content: center;
  margin-top: 24px;
}

.tv360-image img {
  width: 100%;
  height: auto;
  max-width: 768px;
  border-radius: 12px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12);
}

.floating-actions {
  position: fixed;
  right: 16px;
  bottom: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 999;
}

.floating-btn {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--primary);
  color: #ffffff;
  text-decoration: none;
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.18);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.floating-btn:hover,
.floating-btn:focus {
  transform: translateY(-2px);
  box-shadow: 0 16px 28px rgba(0, 0, 0, 0.24);
}

.floating-btn:focus {
  outline: 2px solid rgba(255, 255, 255, 0.8);
  outline-offset: 2px;
}

.floating-icon {
  width: 26px;
  height: 26px;
  display: block;
}

.floating-zalo {
  background: #028fe3;
}


.cookie-banner {
  position: fixed;
  right: 24px;
  bottom: 24px;
  max-width: 420px;
  width: calc(100% - 48px);
  padding: 20px 24px;
  background: #ffffff;
  border: 1px solid #d9d9d9;
  border-radius: 16px;
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.16);
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 1100;
}

.cookie-title {
  font-weight: 700;
  margin: 0;
  color: #2b2b2b;
}

.cookie-text {
  margin: 0;
  color: #3f3f3f;
  line-height: 1.6;
  font-size: 15px;
}

.cookie-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.cookie-button {
  padding: 10px 22px;
  border-radius: 999px;
  border: none;
  background: var(--primary);
  color: #ffffff;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 10px 24px rgba(215, 25, 32, 0.18);
}

.cookie-button:hover,
.cookie-button:focus {
  transform: translateY(-1px);
  box-shadow: 0 14px 28px rgba(215, 25, 32, 0.24);
}

.cookie-link {
  color: var(--primary);
  text-decoration: underline;
}

@media (max-width: 767px) {
  header {
    padding: 16px;
  }

  .header-inner {
    flex-direction: column;
    align-items: center;
    gap: 8px;
  }

  .header-hotline {
    font-size: 16px;
  }

  .wrapper {
    padding: 28px 16px;
  }

  .hero-image img {
    max-height: 260px;
    object-fit: cover;
  }

  table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    min-width: 520px;
    table-layout: auto;
  }

  .pricing-table {
    min-width: 100%;
  }

  .pricing-table th:first-child,
  .pricing-table td:first-child {
    width: 34%;
  }

  .pricing-table th:nth-child(2),
  .pricing-table td:nth-child(2) {
    width: 24%;
  }

  .pricing-table th.col-compact,
  .pricing-table td.col-compact {
    width: 21%;
  }

  #doanhnghiep table th:nth-child(3),
  #doanhnghiep table td:nth-child(3) {
    width: 22%;
  }

  #doanhnghiep table {
    min-width: 460px;
  }

  #doanhnghiep table th:first-child,
  #doanhnghiep table td:first-child {
  width: 25%;
  }

  #doanhnghiep table th:nth-child(2),
  #doanhnghiep table td:nth-child(2) {
  width: 21%;
  }

  #doanhnghiep table th:nth-child(4),
  #doanhnghiep table td:nth-child(4) {
  width: 22%;
  }

  th,
  td {
    font-size: 12px;
    padding: 6px;
    white-space: nowrap;
  }

  .cta-section {
    padding: 24px 16px;
  }

  .btn-primary {
    width: 100%;
    max-width: 320px;
  }

  .intro-text {
    font-size: 16px;
    padding: 0 4px;
  }

  .floating-actions {
    right: 12px;
    bottom: 12px;
    gap: 10px;
  }

  .floating-btn {
    width: 52px;
    height: 52px;
  }

  .cookie-banner {
    left: 12px;
    right: 12px;
    bottom: 96px;
    width: auto;
    padding: 16px 18px;
  }

  .cookie-actions {
    flex-direction: column;
  }

  .cookie-button {
    width: 100%;
  }

  h2 {
    font-size: 24px;
  }

  .card {
    padding: 20px;
  }

  .footer-top {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 18px;
  }

  .footer-desc {
    max-width: 100%;
  }
}

.btn-primary {
  display: inline-block;
  background: #ffffff;
  color: var(--primary);
  padding: 16px 32px;
  border-radius: 999px;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
}

.wrapper {
  max-width: 1080px;
  margin: 0 auto;
  padding: 40px 16px;
}

h2 {
  font-size: clamp(28px, 4vw, 36px);
  margin-bottom: 24px;
  text-align: center;
}

.intro-text {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
  font-size: clamp(16px, 2.4vw, 20px);
  color: #444444;
}

.grid {
  display: grid;
  gap: 24px;
}

@media (min-width: 768px) {
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }

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

.card {
  border: 1px solid #e6e6e6;
  border-radius: 16px;
  padding: 24px;
  background: var(--secondary);
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 16px;
  background: #ffffff;
  table-layout: fixed;
}

.disclaimer {
  background: rgba(215, 25, 32, 0.08);
  color: #521111;
  padding: 16px;
  margin: 0;
  text-align: center;
  font-size: 15px;
  border-bottom: 1px solid rgba(215, 25, 32, 0.2);
}

.disclaimer p {
  margin: 0 auto;
  max-width: 960px;
}

.pricing-table th:first-child,
.pricing-table td:first-child {
  width: 24%;
}

.pricing-table th:nth-child(2),
.pricing-table td:nth-child(2) {
  width: 20%;
}

.pricing-table th.col-compact,
.pricing-table td.col-compact {
  width: 28%;
  font-size: 14px;
}

#doanhnghiep table th:nth-child(3),
#doanhnghiep table td:nth-child(3) {
  width: 18%;
}

#combo > img {
  width: 100%;
  height: auto;
  max-width: 768px;
  display: block;
  margin: 16px auto;
}

#combo table {
  max-width: 760px;
  margin: 16px auto 0;
}

#combo table th:first-child,
#combo table td:first-child {
  width: 30%;
}

#combo table th:not(:first-child),
#combo table td:not(:first-child) {
  width: 17.5%;
}

th,
td {
  border: 1px solid #e6e6e6;
  padding: 12px;
  text-align: center;
  font-size: 15px;
  word-break: break-word;
  white-space: normal;
}

th {
  background: rgba(215, 25, 32, 0.85);
  color: var(--text-light);
}

.highlight {
  background: #ffecec;
  border-left: 4px solid var(--primary);
  padding: 16px 20px;
  margin: 24px 0;
}

.cta-section {
  text-align: center;
  padding: 32px 16px;
  background: #fafafa;
}

.cta-section p {
  margin: 12px 0 24px;
  font-size: 18px;
}

footer {
  background: #f5f5f5;
  color: #2b2b2b;
  padding: 40px 16px;
}

footer a {
  color: var(--primary);
  text-decoration: none;
}

.link-light {
  color: var(--primary);
}

.text-center {
  text-align: center;
}

.mt-24 {
  margin-top: 24px;
}

.footer-wrapper {
  color: inherit;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.footer-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.footer-logo img {
  max-width: 200px;
  height: auto;
}

.footer-desc {
  max-width: 420px;
  margin: 0;
  line-height: 1.6;
}

.footer-hotlines {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-hotlines a {
  font-weight: 600;
}

.footer-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 999px;
  border: 1px solid var(--primary);
  background: var(--primary);
  color: #ffffff;
  font-weight: 600;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 12px 24px rgba(215, 25, 32, 0.18);
}

.footer-cta:hover,
.footer-cta:focus {
  transform: translateY(-2px);
  box-shadow: 0 16px 28px rgba(215, 25, 32, 0.22);
}

.footer-bottom {
  text-align: center;
  font-size: 15px;
  color: #666666;
}