:root {
  --primary: #0f62fe; /* xanh dương chủ đạo */
  --primary-600: #0b4cd6;
  --bg: #0b1020;
  --text: #0f1222;
  --muted: #667085;
  --card: #ffffff;
  --light: #f5f7fb;
  --radius: 18px;
  --shadow: 0 10px 30px rgba(11, 16, 32, 0.12);
}
* {
  box-sizing: border-box;
}
html,
body {
  margin: 0;
  font-family:
    Inter,
    system-ui,
    -apple-system,
    Segoe UI,
    Roboto,
    Arial,
    sans-serif;
  color: var(--text);
  background: #ffffff;
}
a {
  color: inherit;
  text-decoration: none;
}
img {
  max-width: 100%;
  display: block;
}
.container {
  width: min(1180px, 92vw);
  margin-inline: auto;
}
/* Header */
header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: #fff;
  border-bottom: 1px solid #eef0f6;
  backdrop-filter: saturate(1.2) blur(6px);
}
.topbar {
  display: flex;
  gap: 14px;
  align-items: center;
  justify-content: center;
  padding: 6px 10px;
  background: linear-gradient(90deg, var(--primary), #4f9cff);
  color: #fff;
  font-weight: 600;
  font-size: 14px;
}
.topbar i {
  margin-right: 6px;
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 20px;
  color: var(--primary);
}
.brand .logo {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: center / cover no-repeat url("Images/741407.png"), #ffffff;
  box-shadow: inset 0 0 12px rgba(255, 255, 255, 0.35);
}
.menu {
  display: flex;
  gap: 22px;
  align-items: center;
}
.menu a {
  font-weight: 600;
  color: #1b1f2a;
  opacity: 0.9;
}
.menu a:hover {
  color: var(--primary);
}
.cta {
  display: flex;
  gap: 10px;
  align-items: center;
}
.btn {
  padding: 12px 16px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  cursor: pointer;
  transition: 0.2s all;
}
.btn.primary {
  background: var(--primary);
  color: #fff;
  box-shadow: var(--shadow);
}
.btn.primary:hover {
  background: var(--primary-600);
}
.btn.ghost {
  background: #fff;
  border-color: #e5e7f0;
}
.hamb {
  display: none;
}
@media (max-width: 900px) {
  .menu {
    display: none;
  }
  .hamb {
    display: block;
  }
}
/* Hero */
.hero {
  position: relative;
  isolation: isolate;
}
.hero-media {
  position: absolute;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  border-bottom-left-radius: 40px;
  border-bottom-right-radius: 40px;
}
.hero-media video,
.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.65);
}
.hero-inner {
  padding: 96px 0 64px;
  min-height: 70vh;
  display: grid;
  place-items: center;
}
.hero-card {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(6px);
  border: 1px solid #e9ecf5;
  box-shadow: var(--shadow);
  border-radius: 24px;
  padding: 28px;
  display: grid;
  gap: 16px;
  width: min(920px, 94vw);
}
.kicker {
  font-weight: 800;
  letter-spacing: 0.12em;
  color: var(--primary);
  font-size: 14px;
  text-transform: uppercase;
}
.hero h1 {
  font-size: clamp(28px, 4.4vw, 44px);
  margin: 0;
  line-height: 1.22;
}
.hero p {
  margin: 0;
  color: #475070;
}
.lead-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.lead-actions .btn {
  padding: 12px 18px;
}
/* Brand section */
section {
  padding: 70px 0;
}
.section-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 28px;
}
.section-title h2 {
  margin: 0;
  font-size: clamp(22px, 3.2vw, 32px);
}
.pill {
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  background: #eef4ff;
  color: var(--primary);
  font-weight: 700;
}
.grid {
  display: grid;
  gap: 18px;
}
.grid.cols-3 {
  grid-template-columns: repeat(3, 1fr);
}
.grid.cols-4 {
  grid-template-columns: repeat(4, 1fr);
}
.grid.cols-2 {
  grid-template-columns: repeat(2, 1fr);
}
@media (max-width: 900px) {
  .grid.cols-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid.cols-3 {
    grid-template-columns: repeat(1, 1fr);
  }
  .grid.cols-2 {
    grid-template-columns: 1fr;
  }
}
.card {
  background: var(--card);
  border: 1px solid #eef0f6;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.card.p {
  padding: 18px;
}
.icon-badge {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: #ecf2ff;
  display: grid;
  place-items: center;
  color: var(--primary);
}
.muted {
  color: var(--muted);
}
/* Services */
.service {
  display: flex;
  gap: 14px;
}
.service h3 {
  margin: 0.2rem 0;
}
/* Gallery */
.gallery {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
}
.gallery img {
  aspect-ratio: 1.2/1;
  border-radius: 14px;
  object-fit: cover;
}
@media (max-width: 900px) {
  .gallery {
    grid-template-columns: repeat(3, 1fr);
  }
}
/* Testimonials */
.testi {
  display: grid;
  gap: 16px;
}
.quote {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
}
/* Booking */
.booking {
  background: linear-gradient(0deg, #f7f9ff, #ffffff);
}
form {
  display: grid;
  gap: 12px;
}
.row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
@media (max-width: 800px) {
  .row {
    grid-template-columns: 1fr;
  }
}
input,
select,
textarea {
  padding: 12px 14px;
  border: 1px solid #dfe3ef;
  border-radius: 12px;
  font: inherit;
}
textarea {
  min-height: 110px;
}
.notice {
  font-size: 12px;
  color: #6b7280;
}
/* Footer */
footer {
  background: #0b1222;
  color: #c9d2e8;
  border-top-left-radius: 28px;
  border-top-right-radius: 28px;
}
footer .cols {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 24px;
}
footer a {
  color: #dfe7ff;
}
footer li {
  margin: 6px 0;
}
@media (max-width: 900px) {
  footer .cols {
    grid-template-columns: 1fr;
  }
}
/* Hiệu ứng overlay trên video */
.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.7));
  z-index: -1;
}

/* Hiệu ứng video zoom chậm */
.hero-media video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  animation: zoomIn 20s infinite alternate;
}

/* Animation cho text */
.kicker,
.hero-card h1,
.hero-card p,
.lead-actions {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 1s forwards;
}

.kicker {
  animation-delay: 0.2s;
}
.hero-card h1 {
  animation-delay: 0.4s;
}
.hero-card p {
  animation-delay: 0.6s;
}
.lead-actions {
  animation-delay: 0.8s;
}

/* Button hover */
.btn.primary:hover {
  background: #d62828;
  box-shadow: 0 0 15px rgba(230, 57, 70, 0.6);
}

.btn.ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  box-shadow: 0 0 15px rgba(255, 255, 255, 0.4);
}

/* Scroll down indicator */
.scroll-down {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 2rem;
  color: #fff;
  animation: bounce 1.5s infinite;
}

/* Keyframes */
@keyframes fadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@keyframes bounce {
  0%,
  100% {
    transform: translate(-50%, 0);
  }
  50% {
    transform: translate(-50%, 10px);
  }
}
@keyframes zoomIn {
  from {
    transform: scale(1);
  }
  to {
    transform: scale(1.1);
  }
}

/* Section intro */
.intro-section {
  padding: 80px 0;
  background: linear-gradient(135deg, #f9f9f9, #fff);
  position: relative;
  overflow: hidden;
}

/* Card service */
.service {
  text-align: center;
  border-radius: 20px;
  transition:
    transform 0.4s ease,
    box-shadow 0.4s ease;
  background: #fff;
}

.service:hover {
  transform: translateY(-8px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
}

/* Icon badge */
.icon-badge {
  font-size: 2.5rem;
  margin-bottom: 15px;
  color: #d62828;
  transition:
    transform 0.5s ease,
    color 0.3s ease;
}

.service:hover .icon-badge {
  color: #e63946;
  transform: rotate(12deg) scale(1.2);
}

/* Animation reveal on scroll */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.8s ease;
}
.reveal.active {
  opacity: 1;
  transform: translateY(0);
}
/* Fullscreen section với background */
.intro-section.with-bg {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  background: url("Images/pexels-photo-9459292.jpeg") no-repeat center center/cover;
  position: relative;
  overflow: hidden;
  z-index: 1;
}

/* Overlay để chữ và card dễ đọc */
.intro-section.with-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  z-index: 0;
}

/* Container và nội dung nổi trên overlay */
.intro-section .container {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  text-align: center;
  color: #fff;
}

/* Grid cho card */
.grid.cols-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

/* Card service */
.service {
  background: rgba(255, 255, 255, 0.9);
  border-radius: 20px;
  padding: 30px;
  transition:
    transform 0.4s ease,
    box-shadow 0.4s ease;
  color: #333;
}
.service:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.25);
}

/* Icon badge */
.icon-badge {
  font-size: 3rem;
  margin-bottom: 15px;
  color: #d62828;
  transition:
    transform 0.5s ease,
    color 0.3s ease;
}
.service:hover .icon-badge {
  color: #e63946;
  transform: rotate(12deg) scale(1.2);
}

.service-section.with-bg {
  background: linear-gradient(180deg, #f7f9ff 0%, #ffffff 100%);
  padding: 100px 20px;
  position: relative;
}

.service-grid {
  gap: 30px;
}

.service-card {
  background: #fff;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  transition:
    transform 0.35s ease,
    box-shadow 0.35s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.service-card img {
  width: 100%;
  height: 250px; /* to hơn */
  object-fit: cover;
}

.service-info {
  padding: 20px;
  text-align: center;
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.18);
}
/* Gallery section */
.gallery-section {
  padding: 100px 20px;
  background: #fff;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.gallery img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: 16px;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.08);
  transition:
    transform 0.35s ease,
    box-shadow 0.35s ease;
  cursor: pointer;
}

.gallery img:hover {
  transform: scale(1.05);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
}

/* Lightbox overlay */
#lightbox {
  display: none;
  position: fixed;
  z-index: 9999;
  inset: 0;
  background: rgba(0, 0, 0, 0.9);
  text-align: center;
  padding-top: 80px;
}

#lightbox img.lightbox-content {
  max-width: 90%;
  max-height: 80vh;
  border-radius: 10px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5);
}

#lightbox .caption {
  margin-top: 15px;
  color: #ccc;
  font-size: 18px;
}

#lightbox .close {
  position: absolute;
  top: 20px;
  right: 35px;
  color: #fff;
  font-size: 40px;
  font-weight: bold;
  cursor: pointer;
  transition: 0.3s;
}

#lightbox .close:hover {
  color: #f44336;
}
/* Mobile tweaks: make service section truly responsive on small screens */
@media (max-width: 600px) {
  .service-section.with-bg {
    padding: 60px 16px;
  }
  .service-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .service-card {
    border-radius: 14px;
  }
  .service-card img {
    height: clamp(160px, 48vw, 220px);
  }
  .service-info {
    padding: 14px;
  }
  .service-info h3 {
    margin: 0 0 6px;
    font-size: 18px;
  }
  .service-info .muted {
    font-size: 14px;
  }
}
/* Mobile tweaks: booking section */
@media (max-width: 600px) {
  #dat-xe .section-title {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }
  #dat-xe .grid.cols-2 {
    grid-template-columns: 1fr;
    gap: 16px;
    justify-items: center;
  }
  #dat-xe .grid.cols-2 > .card {
    width: 100%;
    max-width: 560px;
  }
  #dat-xe form {
    gap: 10px;
  }
  #dat-xe .row {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  #dat-xe label.muted {
    font-size: 12px;
  }
  #dat-xe .card.p {
    padding: 14px;
  }
  #dat-xe input,
  #dat-xe select,
  #dat-xe textarea {
    font-size: 16px;
    padding: 12px 12px;
    width: 100%;
  }
  #dat-xe .btn.primary {
    width: 100%;
    max-width: 100%;
    padding: 14px 18px;
    font-size: 16px;
  }
  #dat-xe .notice {
    font-size: 12px;
  }
  /* Override inline height for map box wrapper */
  #dat-xe .card div[style*="height:260px"],
  #dat-xe .card div[style*="height: 260px"] {
    height: 200px !important;
  }
}