:root {
  --bg0: #07111a;
  --bg1: #0b1622;
  --bg2: #101c2a;

  --text1: #f5f7fa;
  --text2: #b7c0cc;
  --text3: #8a95a5;

  --gold1: #d6a85f;
  --gold2: #e2bc7a;
  --navy1: #233c8f;
  --navy2: #2e4fb3;
  --green1: #6fae6a;

  --glass: rgba(255, 255, 255, 0.08);
  --glass-strong: rgba(255, 255, 255, 0.12);
  --glass-border: rgba(255, 255, 255, 0.14);
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);

  --radius-sm: 14px;
  --radius-md: 20px;
  --radius-lg: 28px;

  --container: 1180px;
  --header-h: 84px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text1);
  background:
    radial-gradient(900px 520px at 14% 18%, rgba(120, 210, 255, 0.12), transparent 60%),
    radial-gradient(720px 520px at 82% 22%, rgba(214, 168, 95, 0.10), transparent 65%),
    radial-gradient(900px 700px at 60% 82%, rgba(111, 174, 106, 0.10), transparent 65%),
    linear-gradient(180deg, var(--bg0) 0%, var(--bg1) 42%, var(--bg0) 100%);
  min-height: 100vh;
  overflow-x: hidden;
}

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

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

button,
input {
  font: inherit;
}

.container {
  width: min(var(--container), calc(100% - 32px));
  margin: 0 auto;
}

.section {
  padding: 88px 0;
}

.glass {
  background: linear-gradient(180deg, rgba(255,255,255,0.10), rgba(255,255,255,0.06));
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-radius: var(--radius-md);
}

.glass-inline {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: rgba(255,255,255,0.08);
  border: 1px solid var(--glass-border);
  border-radius: 999px;
  color: var(--text2);
  font-size: 14px;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

.dot-green {
  background: var(--green1);
  box-shadow: 0 0 16px rgba(111,174,106,0.8);
}

.kicker {
  margin: 0 0 8px;
  color: var(--gold2);
  font-size: 14px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.section-head {
  max-width: 720px;
  margin-bottom: 28px;
}

.section-head h2 {
  margin: 0 0 12px;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.08;
}

.section-head p {
  margin: 0;
  color: var(--text2);
  line-height: 1.7;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  transition: 0.25s ease;
  cursor: pointer;
}

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

.btn-primary {
  color: #0a1018;
  background: linear-gradient(135deg, var(--gold2), var(--gold1));
  box-shadow: 0 10px 30px rgba(214, 168, 95, 0.28);
}

.btn-secondary {
  color: var(--text1);
  background: rgba(255,255,255,0.07);
  border-color: var(--glass-border);
}

.btn-full {
  width: 100%;
}

.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 14px 0;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.header-inner {
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 0 18px;
  border-radius: 999px;
  background: rgba(8, 15, 24, 0.55);
  border: 1px solid rgba(255,255,255,0.08);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.logo-mark {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: 800;
  color: #0c1017;
  background: linear-gradient(135deg, var(--gold2), var(--gold1));
  box-shadow: 0 10px 25px rgba(214,168,95,0.24);
  flex-shrink: 0;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.logo-text strong {
  font-size: 18px;
}

.logo-text small {
  color: var(--text3);
  margin-top: 4px;
  font-size: 12px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 22px;
}

.nav a {
  color: var(--text2);
  font-size: 15px;
  transition: 0.2s ease;
}

.nav a:hover {
  color: var(--text1);
}

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

.menu-toggle {
  display: none;
  width: 46px;
  height: 46px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  cursor: pointer;
  position: relative;
}

.menu-toggle span {
  position: absolute;
  left: 12px;
  right: 12px;
  height: 2px;
  border-radius: 2px;
  background: var(--text1);
  transition: 0.25s ease;
}

.menu-toggle span:nth-child(1) { top: 15px; }
.menu-toggle span:nth-child(2) { top: 22px; }
.menu-toggle span:nth-child(3) { top: 29px; }

.menu-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}
.menu-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-menu {
  display: none;
}

.hero {
  padding-top: 40px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 28px;
  align-items: center;
}

.hero-content h1 {
  margin: 18px 0 18px;
  font-size: clamp(42px, 6vw, 74px);
  line-height: 0.98;
  letter-spacing: -0.04em;
  max-width: 11ch;
}

.hero-text {
  margin: 0;
  max-width: 640px;
  color: var(--text2);
  font-size: 18px;
  line-height: 1.8;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.hero-meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 30px;
}

.meta-card {
  padding: 18px;
}

.meta-card strong {
  display: block;
  margin-bottom: 8px;
  font-size: 22px;
  color: var(--text1);
}

.meta-card span {
  color: var(--text2);
  font-size: 14px;
  line-height: 1.5;
}

.hero-visual {
  position: relative;
}

.hero-card {
  padding: 18px;
  overflow: hidden;
  position: relative;
}

.hero-card img {
  width: 100%;
  height: 520px;
  object-fit: cover;
  border-radius: 18px;
}

.hero-badge {
  position: absolute;
  top: 28px;
  left: 28px;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  height: 38px;
  padding: 0 14px;
  border-radius: 999px;
  background: rgba(10, 16, 24, 0.68);
  border: 1px solid rgba(255,255,255,0.10);
  color: var(--gold2);
  font-weight: 700;
}

.card-grid {
  display: grid;
  gap: 18px;
}

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

.info-card,
.trust-card,
.price-card,
.process-step {
  padding: 24px;
}

.card-icon {
  font-size: 28px;
  margin-bottom: 16px;
}

.info-card h3,
.trust-card h3,
.process-step h3 {
  margin: 0 0 12px;
  font-size: 22px;
}

.info-card p,
.trust-card p,
.process-step p {
  margin: 0;
  color: var(--text2);
  line-height: 1.7;
}

.card-link {
  display: inline-block;
  margin-top: 18px;
  color: var(--gold2);
  font-weight: 700;
}

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

.price-card {
  min-height: 140px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.price-label {
  color: var(--text2);
  margin-bottom: 12px;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.price-card strong {
  font-size: clamp(26px, 3vw, 36px);
  line-height: 1.1;
}

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

.process-step span {
  display: inline-flex;
  margin-bottom: 16px;
  color: var(--gold2);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.lead-grid {
  display: grid;
  grid-template-columns: 1fr 430px;
  gap: 24px;
  align-items: stretch;
}

.lead-copy h2 {
  margin: 0 0 16px;
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.05;
}

.lead-copy p {
  margin: 0;
  color: var(--text2);
  line-height: 1.8;
  max-width: 620px;
}

.lead-points {
  margin: 22px 0 0;
  padding-left: 18px;
  color: var(--text2);
  line-height: 1.8;
}

.lead-form-wrap {
  padding: 24px;
}

.lead-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.form-group label {
  color: var(--text2);
  font-size: 14px;
}

.form-group input {
  width: 100%;
  min-height: 54px;
  padding: 0 16px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.12);
  outline: none;
  color: var(--text1);
  background: rgba(255,255,255,0.06);
}

.form-group input::placeholder {
  color: var(--text3);
}

.form-group input:focus {
  border-color: rgba(214,168,95,0.60);
  box-shadow: 0 0 0 4px rgba(214,168,95,0.10);
}

.form-note {
  margin: 0;
  color: var(--text3);
  font-size: 14px;
  line-height: 1.6;
}

.form-note.success {
  color: #9fe09a;
}

.form-note.error {
  color: #ff9b9b;
}

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

.faq-item {
  padding: 0;
  overflow: hidden;
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 22px 24px;
  font-weight: 700;
  position: relative;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 24px;
  top: 20px;
  color: var(--gold2);
  font-size: 22px;
}

.faq-item[open] summary::after {
  content: "–";
}

.faq-item p {
  margin: 0;
  padding: 0 24px 22px;
  color: var(--text2);
  line-height: 1.8;
}

.final-cta-box {
  padding: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.final-cta-box h2 {
  margin: 0;
  font-size: clamp(28px, 4vw, 46px);
  line-height: 1.08;
}

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

.footer {
  padding: 36px 0 110px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: flex-start;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.10);
}

.footer-inner p {
  margin: 8px 0 0;
  color: var(--text3);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-links a {
  color: var(--text2);
}

.mobile-sticky-cta {
  display: none;
}

@media (max-width: 1080px) {
  .desktop-nav,
  .desktop-call {
    display: none;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .mobile-menu {
    display: block;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.28s ease;
  }

  .mobile-menu.open {
    max-height: 560px;
  }

  .mobile-menu-inner {
    width: min(var(--container), calc(100% - 32px));
    margin: 12px auto 0;
    padding: 18px;
  }

  .mobile-menu-inner a {
    display: block;
    padding: 14px 6px;
    color: var(--text2);
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }

  .mobile-menu-inner a:last-of-type {
    border-bottom: 0;
  }

  .mobile-cta-group {
    display: grid;
    gap: 10px;
    margin-top: 16px;
  }

  .hero-grid,
  .lead-grid,
  .final-cta-box,
  .footer-inner {
    grid-template-columns: 1fr;
    display: grid;
  }

  .card-grid.three,
  .price-grid,
  .process-grid,
  .hero-meta {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-card img {
    height: 440px;
  }

  .final-cta-actions {
    width: 100%;
  }
}

@media (max-width: 720px) {
  .section {
    padding: 68px 0;
  }

  .container {
    width: min(var(--container), calc(100% - 20px));
  }

  .header {
    padding: 10px 0;
  }

  .header-inner {
    min-height: 72px;
    padding: 0 14px;
    border-radius: 22px;
  }

  .logo-text small {
    display: none;
  }

  .hero {
    padding-top: 22px;
  }

  .hero-content h1 {
    font-size: clamp(36px, 10vw, 54px);
    max-width: 100%;
  }

  .hero-text {
    font-size: 16px;
  }

  .hero-cta,
  .final-cta-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .card-grid.three,
  .price-grid,
  .process-grid,
  .hero-meta {
    grid-template-columns: 1fr;
  }

  .hero-card img {
    height: 300px;
  }

  .lead-form-wrap,
  .info-card,
  .trust-card,
  .price-card,
  .process-step,
  .meta-card,
  .final-cta-box {
    padding: 20px;
  }

  .footer {
    padding-bottom: 98px;
  }

  .mobile-sticky-cta {
    position: fixed;
    left: 10px;
    right: 10px;
    bottom: 10px;
    z-index: 1100;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    padding: 8px;
    background: rgba(8, 15, 24, 0.74);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 20px;
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    box-shadow: var(--shadow);
  }

  .mobile-sticky-cta a {
    min-height: 46px;
    border-radius: 14px;
    display: grid;
    place-items: center;
    font-size: 14px;
    font-weight: 700;
    color: var(--text1);
    background: rgba(255,255,255,0.08);
  }

  .mobile-sticky-cta a:first-child {
    color: #0a1018;
    background: linear-gradient(135deg, var(--gold2), var(--gold1));
  }
}
/*css mới thêm*/
/* booking page */
/* booking page clean */
.booking-page-inner {
  max-width: 760px;
  margin: 0 auto;
}

.booking-page-head {
  margin-bottom: 22px;
}

.booking-page-head h1 {
  margin: 0 0 14px;
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.02;
  letter-spacing: -0.04em;
  max-width: 12ch;
}

.booking-page-subtext {
  margin: 0;
  color: var(--text2);
  font-size: 18px;
  line-height: 1.8;
}

.booking-card {
  padding: 24px;
  max-width: 760px;
}

.booking-card-note {
  margin: 0 0 18px;
  color: var(--text2);
  font-size: 14px;
  line-height: 1.7;
}

.booking-form-clean {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.booking-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.booking-form-clean .form-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.booking-form-clean .form-group label {
  color: var(--text2);
  font-size: 14px;
}

.booking-form-clean input,
.booking-form-clean select,
.booking-form-clean textarea {
  width: 100%;
  min-height: 54px;
  padding: 0 16px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.12);
  outline: none;
  color: var(--text1);
  background: rgba(255,255,255,0.06);
  box-sizing: border-box;
  appearance: none;
  -webkit-appearance: none;
}

.booking-form-clean input[type="date"] {
  min-width: 0;
  max-width: 100%;
}

.booking-form-clean textarea {
  min-height: 120px;
  padding: 16px;
  resize: vertical;
}

.booking-form-clean input::placeholder,
.booking-form-clean textarea::placeholder {
  color: var(--text3);
}

.booking-form-clean input:focus,
.booking-form-clean select:focus,
.booking-form-clean textarea:focus {
  border-color: rgba(214,168,95,0.60);
  box-shadow: 0 0 0 4px rgba(214,168,95,0.10);
}

.booking-form-clean button {
  margin-top: 6px;
}

.booking-pricing .price-grid {
  margin-top: 10px;
}

.booking-disclaimer {
  margin-top: 24px;
  padding: 20px;
  color: var(--text2);
  line-height: 1.8;
}

@media (max-width: 720px) {
  .booking-page-head h1 {
    max-width: 100%;
    font-size: clamp(32px, 10vw, 46px);
  }

  .booking-page-subtext {
    font-size: 16px;
  }

  .booking-card {
    padding: 20px;
  }

  .booking-form-row {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}