:root {
  --header-height: 78px;
}

.container {
  width: min(var(--container), calc(100% - 40px));
  margin-inline: auto;
}

.topbar {
  background: var(--color-primary-dark);
  color: rgba(255, 255, 255, .9);
  font-size: 12px;
}

.topbar-inner {
  min-height: 34px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.topbar a {
  font-weight: 700;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, .97);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(10px);
}

.header-inner {
  min-height: var(--header-height);
  display: flex;
  align-items: center;
  gap: 28px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
  text-decoration: none;
}

.logo-badge {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: linear-gradient(135deg, #E63939 0%, #B82525 100%);
  color: white;
  box-shadow: 0 4px 14px rgba(230, 57, 57, 0.35);
  transition: transform var(--transition), box-shadow var(--transition);
}

.logo:hover .logo-badge {
  transform: translateY(-2px) scale(1.04);
  box-shadow: 0 6px 18px rgba(230, 57, 57, 0.45);
}

.logo-text-group {
  display: flex;
  flex-direction: column;
}

.logo-title {
  color: var(--color-primary-dark);
  font-size: 19px;
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.logo-subtitle {
  color: var(--color-primary);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-top: 1px;
}

.logo-text b {
  font-size: 15px;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 26px;
  margin-left: auto;
}

.desktop-nav a {
  color: #36463d;
  font-size: 14px;
  font-weight: 600;
  transition: color var(--transition);
}

.desktop-nav a:hover {
  color: var(--color-primary);
}

.header-cta,
.btn {
  border: 0;
  border-radius: 8px;
  font-weight: 800;
  letter-spacing: .02em;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}

.header-cta {
  padding: 12px 18px;
  background: var(--color-primary);
  color: white;
  font-size: 13px;
}

.header-cta:hover,
.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.menu-toggle {
  display: none;
  border: 0;
  background: transparent;
  padding: 8px;
}

.menu-toggle span {
  width: 24px;
  height: 2px;
  display: block;
  background: var(--color-primary-dark);
  margin: 5px 0;
}

.mobile-nav {
  display: none;
  padding: 0 20px 18px;
  background: white;
}

.mobile-nav a {
  display: block;
  padding: 11px 0;
  border-bottom: 1px solid var(--color-border);
  font-weight: 700;
}

.mobile-nav.open {
  display: block;
}

.hero {
  position: relative;
  min-height: 650px;
  display: grid;
  align-items: center;
  overflow: hidden;
  background: #18181b;
}

.hero-bg-wrapper {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: 0;
}

.hero-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: brightness(0.45) contrast(1.1);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(24, 24, 27, 0.85) 0%, rgba(230, 57, 57, 0.40) 50%, rgba(24, 24, 27, 0.85) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(340px, .65fr);
  align-items: center;
  gap: 70px;
  padding: 70px 0;
}

.eyebrow {
  display: inline-block;
  color: var(--color-primary);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .12em;
  margin-bottom: 13px;
}

.hero-copy .eyebrow {
  color: #ff8080;
}

.hero h1 {
  max-width: 760px;
  margin-bottom: 22px;
  color: #ffffff;
  font-size: clamp(38px, 5vw, 66px);
  letter-spacing: -.035em;
}

.hero h1 strong {
  color: #ff5252;
}

.hero-copy>p {
  max-width: 630px;
  color: rgba(255, 255, 255, 0.88);
  font-size: 17px;
  margin-bottom: 28px;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 13px 22px;
  font-size: 13px;
}

.btn-primary {
  background: var(--color-primary);
  color: white;
}

.btn-outline {
  border: 1px solid rgba(255, 255, 255, 0.7);
  color: #ffffff;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(4px);
}

.btn-outline:hover {
  background: #ffffff;
  color: var(--color-primary-dark);
}

.btn-light {
  background: white;
  color: var(--color-primary-dark);
}

.btn-block {
  width: 100%;
}

.hero-points {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  margin-top: 25px;
  color: rgba(255, 255, 255, 0.9);
  font-size: 13px;
  font-weight: 700;
}

.hero-card {
  padding: 28px;
  background: rgba(255, 255, 255, .98);
  border: 1px solid rgba(11, 91, 59, .10);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.small-label {
  color: var(--color-accent);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .1em;
}

.hero-card h2 {
  margin: 5px 0 20px;
  font-size: 28px;
}

.lead-form,
.contact-form {
  display: grid;
  gap: 14px;
}

label {
  display: grid;
  gap: 6px;
  color: #35453d;
  font-size: 12px;
  font-weight: 800;
}

input,
textarea,
select {
  width: 100%;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: white;
  color: var(--color-text);
  padding: 12px 13px;
  outline: none;
  transition: border var(--transition), box-shadow var(--transition);
}

input:focus,
textarea:focus,
select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(11, 91, 59, .08);
}

.form-note {
  margin: 0;
  color: var(--color-muted);
  font-size: 11px;
  text-align: center;
}

.trust-strip {
  background: var(--color-primary);
  color: white;
}

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

.trust-grid>div {
  padding: 25px 18px;
  border-right: 1px solid rgba(255, 255, 255, .15);
}

.trust-grid>div:last-child {
  border-right: 0;
}

.trust-grid strong {
  display: block;
  font-size: 15px;
  margin-bottom: 2px;
}

.trust-grid span {
  font-size: 12px;
  color: rgba(255, 255, 255, .72);
}

.section {
  padding: var(--section-y) 0;
}

.section-soft {
  background: var(--color-surface);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, .95fr) minmax(0, 1fr);
  gap: 72px;
  align-items: center;
}

.image-placeholder {
  min-height: 360px;
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
}

.image-placeholder::before {
  content: none;
  display: none;
}

.section-image {
  aspect-ratio: 4 / 3;
  min-height: 0;
}

.section-copy h2,
.section-heading h2 {
  margin-bottom: 18px;
  color: var(--color-primary-dark);
  font-size: clamp(30px, 4vw, 45px);
  letter-spacing: -.025em;
}

.section-copy p,
.section-heading p {
  color: var(--color-muted);
  max-width: 680px;
}

.check-list {
  list-style: none;
  margin: 22px 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.check-list li {
  position: relative;
  padding-left: 27px;
  color: #46564d;
}

.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 900;
}

.text-link {
  color: var(--color-primary);
  font-weight: 800;
}

.section-heading {
  margin-bottom: 44px;
}

.centered {
  text-align: center;
}

.centered p {
  margin-inline: auto;
}

.cards-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.feature-card,
.process-card,
.condition-card {
  padding: 28px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: white;
  box-shadow: var(--shadow-sm);
}

.feature-card .icon {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  margin-bottom: 20px;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: 12px;
  font-weight: 900;
}

.feature-card h3,
.process-card h3,
.condition-card h3 {
  margin-bottom: 10px;
  color: var(--color-primary-dark);
}

.feature-card p,
.process-card p {
  margin: 0;
  color: var(--color-muted);
  font-size: 14px;
}

.notice-section {
  padding: 70px 0;
  background: var(--color-primary-dark);
  color: white;
}

.notice-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 35px;
}

.notice-box .eyebrow {
  color: var(--color-accent);
}

.notice-box h2 {
  margin-bottom: 10px;
  font-size: clamp(28px, 3vw, 40px);
}

.notice-box p {
  max-width: 750px;
  color: rgba(255, 255, 255, .72);
  margin: 0;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.process-card {
  position: relative;
  padding: 28px;
  display: flex;
  flex-direction: column;
}

.process-card>span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-bottom: 18px;
  border-radius: 10px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: 18px;
  font-weight: 900;
  box-shadow: 0 2px 8px rgba(230, 57, 57, 0.12);
}

.condition-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
  max-width: 950px;
  margin-inline: auto;
}

.condition-icon {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  margin-bottom: 18px;
  border-radius: 10px;
  background: var(--color-accent-light);
  color: #87641f;
  font-weight: 900;
}

.rate-highlight {
  max-width: 900px;
  margin: 0 auto 35px;
  padding: 28px 34px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 35px;
  border-radius: var(--radius-md);
  background: var(--color-primary);
  color: white;
}

.rate-highlight span {
  display: block;
  font-size: 11px;
  letter-spacing: .1em;
  opacity: .75;
}

.rate-highlight strong {
  display: block;
  font-size: 43px;
  line-height: 1;
}

.rate-highlight small {
  font-size: 15px;
  font-weight: 500;
}

.rate-highlight p {
  max-width: 470px;
  margin: 0;
  color: rgba(255, 255, 255, .78);
}

.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

table {
  width: 100%;
  min-width: 700px;
  border-collapse: collapse;
  background: white;
}

th,
td {
  padding: 16px 18px;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
  font-size: 14px;
}

th {
  background: var(--color-surface);
  color: var(--color-primary-dark);
  font-size: 12px;
  text-transform: uppercase;
}

tr:last-child td {
  border-bottom: 0;
}

.card-image-cover {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

.centered-partner-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.centered-image-card {
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
  background: white;
}

.centered-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.faq-section {
  background: #fff;
}

.faq-layout {
  display: grid;
  grid-template-columns: .75fr 1.25fr;
  gap: 70px;
  align-items: start;
}

.faq-list {
  display: grid;
  gap: 10px;
}

details {
  border: 1px solid var(--color-border);
  border-radius: 10px;
  background: white;
  overflow: hidden;
}

summary {
  padding: 19px 22px;
  cursor: pointer;
  color: var(--color-primary-dark);
  font-weight: 800;
  list-style: none;
  position: relative;
  padding-right: 55px;
}

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

summary::after {
  content: "+";
  position: absolute;
  right: 22px;
  font-size: 22px;
  color: var(--color-primary);
}

details[open] summary::after {
  content: "−";
}

details p {
  margin: 0;
  padding: 0 22px 20px;
  color: var(--color-muted);
  font-size: 14px;
}

.contact-section {
  padding: 82px 0;
  background: var(--color-primary-light);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr .8fr;
  gap: 70px;
  align-items: center;
}

.contact-grid h2 {
  max-width: 650px;
  color: var(--color-primary-dark);
  font-size: clamp(30px, 4vw, 47px);
}

.contact-grid p {
  color: var(--color-muted);
}

.contact-points {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  margin-top: 25px;
}

.contact-points a {
  padding: 12px 16px;
  border-radius: 8px;
  background: white;
  color: var(--color-primary);
  font-weight: 800;
  box-shadow: var(--shadow-sm);
}

.contact-form {
  padding: 30px;
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.site-footer {
  padding: 60px 0 0;
  background: #18181b;
  color: rgba(255, 255, 255, .72);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr .8fr .9fr .8fr;
  gap: 40px;
  padding-bottom: 45px;
}

.footer-logo {
  color: white;
  margin-bottom: 18px;
}

.footer-grid h3 {
  color: white;
  font-size: 14px;
  margin-bottom: 15px;
}

.footer-grid p {
  max-width: 360px;
  font-size: 13px;
}

.footer-grid a {
  display: block;
  margin: 8px 0;
  font-size: 13px;
}

.footer-bottom {
  min-height: 55px;
  border-top: 1px solid rgba(255, 255, 255, .12);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 15px;
  font-size: 11px;
}

.floating-actions {
  position: fixed;
  right: 18px;
  bottom: 20px;
  z-index: 40;
  display: grid;
  gap: 10px;
}

.floating-actions a {
  width: 50px;
  height: 50px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: white;
  font-weight: 900;
  box-shadow: var(--shadow-md);
}

.float-call {
  background: var(--color-primary);
}

.float-zalo {
  background: #0068FF;
  padding: 0;
  overflow: hidden;
  display: grid;
  place-items: center;
}

.float-zalo-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  display: block;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 30px;
  z-index: 100;
  transform: translate(-50%, 20px);
  opacity: 0;
  pointer-events: none;
  padding: 13px 18px;
  border-radius: 8px;
  background: #18181b;
  color: white;
  font-size: 13px;
  transition: all 220ms ease;
}

.toast.show {
  opacity: 1;
  transform: translate(-50%, 0);
}