* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #fff;
}

.container {
  width: 100%;
  margin: auto;
  padding: 2rem 1rem;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.section {
  width: 100%;
  padding: 3rem 0;
  height: auto !important;
}
.section:nth-child(odd) {
  background-color: #ffffff;
}

.section:nth-child(even) {
  background-color: #f0f8ff;
}

.content {
  display: flex;
  gap: 20px;
  align-items: center;
  justify-content: space-between;
}
.content-function{
  margin: 0 auto;
}
.content.reverse {
  flex-direction: row-reverse;
}
.content .image-mobile {
  margin-bottom: 12px;
}
.content button {
  margin-top: 20px;
}

.text {
  flex: 1.5;
  width: 100%;
}

.text h2 {
  color: grey;
  font-size: 1.8rem;
  margin-bottom: 1rem;
}
.text h2 i {
  color: #fd7e14;
  font-size: 120%;
}
.text p {
  font-size: 1.2rem;
  margin-bottom: 1rem;
}

.text ul {
  margin-left: 1.5rem;
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
  list-style: none;
}
.text .row {
  display: flex;
  gap: 10px;
}
.text .row .line {
  text-align: justify;
}
.text .row .icon {
  color: #ffd43b;
  font-size: 120%;
}
.text ul li,
.text .line {
  margin-bottom: 0.5rem;
  font-weight: 600;
  max-width: 440px;
}

.image-mobile {
  min-width: 280px;
  height: auto;
  text-align: center;
  box-shadow: rgba(50, 50, 93, 0.25) 0px 2px 5px -1px, rgba(0, 0, 0, 0.3) 0px 1px 3px -1px;
  border-radius: 10px;
  background: transparent;
}
.image {
  flex: 1;
  width: 30vw;
  /* height: 300px; */
  text-align: center;
  /* box-shadow: rgba(0, 0, 0, 0.25) 0px 14px 28px,
    rgba(0, 0, 0, 0.22) 0px 10px 10px; */
  border-radius: 10px;
  background: transparent;
}

.image img,
.image-mobile img {
  width: 100%;
  height: auto;
  max-height: 600px;
}
.image-mobile {
  display: none;
}
.swiper {
  width: 100%;
  max-width: 1000px;
  height: 100%;
  margin: auto;
  padding: 1rem 0;
}
.swiper-slide {
  text-align: center;
  display: flex;
  justify-content: center;
  align-items: center;
}
.swiper-slide img {
  width: 100%;
  height: 100%;
  max-height: 500px;
  object-fit: cover;
  border-radius: 10px;
}
.btn-action {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 20px;
}
.btn-action button {
  margin-top: 20px;
  width: 260px;
  height: 80px;
  background: #fd7e14;
  font-size: 24px;
  font-weight: 700;
  color: white;
  border-radius: 40px;
  border: none;
  outline: none;
  box-shadow: black 0px 0px 10px 1px;
  transition: background-color 0.1s ease;
}
.btn-action button:hover {
  background: white;
  color: #fd7e14;
}
button {
  background-color: #ff6600;
  color: white;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: background-color 0.3s ease;
  box-shadow: black 0px 0px 20px;
}

button:hover {
  background-color: white;
  color: #fd7e14;
}

.hero {
  height: 100vh;
  color: white;
  padding: 0 1rem 3rem;
  display: flex;
  justify-content: center;
  text-align: center;
}

.hero-content {
  height: calc(100% + 80px);
  position: relative;
  margin: auto;
  max-width: 800px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero-content h1 {
  font-size: 2.4rem;
  font-weight: bold;
  margin-bottom: 1rem;
}

.hero-content ul {
  list-style: none;
  padding: 0;
  margin: 1rem 0 2rem;
  font-size: 1.1rem;
}

.hero-content li {
  margin-bottom: 0.5rem;
}

.hero-image img {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
}
.footer {
  background-color: #333;
  color: white;
  padding: 3rem 1rem 1rem;
  font-size: 1rem;
}

.footer-content {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 20rem;
}
.footer-content > div {
  align-items: center;
}
.footer-column {
  flex: 1;
  min-width: 250px;
}

.footer-column h3 {
  color: white;
  font-weight: 200;
}

.footer-column h4 {
  margin-bottom: 1rem;
  color: #ff944d;
}

.footer-column p,
.footer-column ul,
.footer-column li {
  margin: 0;
  padding: 0;
  list-style: none;
  color: #ddd;
}

.footer-column ul li {
  margin-bottom: 0.5rem;
}

.footer-column a {
  color: #ddd;
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-column a:hover {
  color: #ff6600;
}

.footer-bottom {
  border-top: 1px solid #555;
  margin-top: 2rem;
  padding-top: 1rem;
  text-align: center;
  color: #aaa;
  font-size: 0.9rem;
}
.logo {
  width: 40px;
  height: 40px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: space-around;
  color: white;
  font-size: 120%;
}
.infor-company {
  display: flex;
}
.infor-company h3 {
  margin-left: 5px;
}
.navbar {
  width: 100%;
  backdrop-filter: blur(10px);
  background-color: #ffffff55;
  box-shadow: rgba(0, 0, 0, 0.45) 0px 25px 20px -20px;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 999;
}
.scrolled {
  background: white; /* đổi màu khi scroll */
}
.scrolled .logo {
  color: black;
}
.scrolled .menu-toggle {
  color: black;
}
.nav-container {
  width: 100vw;
  height: 60px;
  margin: auto;
  display: flex !important;
  justify-content: space-between;
  align-items: center;
  padding: 10px 20px;
}

.logo img {
  width: 100%;
  height: 100%;
  border-radius: 4px;
  margin-right: 10px;
}

/* Menu ngang */
.nav-menu {
  display: flex;
  padding-right: 20px;
  gap: 30px;
}

.nav-menu a {
  text-decoration: none;
  color: #333;
  font-weight: 500;
  transition: 0.3s;
  color: #fd7e14;
}
/* Nút hành động */
.nav-actions .btn-primary {
  background: #007bff;
  color: #fff;
  padding: 8px 18px;
  border-radius: 20px;
  text-decoration: none;
  font-weight: bold;
  transition: 0.3s;
}

.nav-actions .btn-primary:hover {
  background: white;
  color: #fd7e14;
}

/* Toggle menu (mobile) */
.menu-toggle {
  display: none;
  font-size: 26px;
  cursor: pointer;
  color: white;
}
#particle-bg {
  width: 100%;
  background: radial-gradient(
    circle at top center,
    rgba(38, 38, 41, 1) 50%,
    #cfcbd6 100%
  );
  position: absolute;
  top: 0;
  display: block;
  z-index: -1;
  height: 100vh;
}
.overlay {
  position: absolute;
  top: 0;
  width: 100%;
  height: 100%;
  backdrop-filter: blur(3px);
}
.nowrap {
  text-wrap: nowrap;
}
.logo-title {
  color: #fd7e14;
  font-size: 120%;
  margin-left: 4px;
}
#introduce {
  background: #bfbfbf;
  background: linear-gradient(
    180deg,
    rgba(191, 191, 191, 1) 0%,
    rgba(255, 255, 255, 1) 37%
  );
}
#introduce .paragraph,
.section .paragraph {
  text-indent: 24px;
  line-height: 1.6;
  text-align: justify;
  font-weight: 600;
}
#function {
  display: flex;
  flex-direction: column;
  justify-content: center;
  text-align: justify;
  height: auto !important;
}
#function .content {
  display: flex;
  flex-direction: column;
  justify-content: center;
}
#function h2 {
  width: 100%;
  text-align: center;
}
#function .btn-sub {
  text-align: center;
}
.footer {
  flex-direction: row;
}
.pricing {
  padding: 60px 20px;
  background: #f9f9f9;
  text-align: center;
}

.pricing h2 {
  font-size: 2rem;
  margin-bottom: 40px;
}

.pricing-container {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap; /* responsive */
}

.pricing-card {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  padding: 30px 20px;
  width: 300px;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.pricing-card .price{
  font-weight: 800;
}
.pricing-card h3 {
  margin-bottom: 15px;
  color: grey;
}

.price {
  font-size: 1.8rem;
  color: #fd7e14;
  margin-bottom: 20px;
}

.price span {
  font-size: 0.9rem;
  color: #666;
}

.pricing-card ul {
  list-style: none;
  padding: 0;
  margin: 20px 0;
  text-align: left;
  width: 100%;
}

.pricing-card ul li {
  margin-bottom: 10px;
}

.pricing-card i {
  color: #fd7e14;
  margin-right: 8px;
}

.pricing-card .btn {
  display: inline-block;
  padding: 10px 20px;
  background: #fd7e14;
  color: #fff;
  border-radius: 8px;
  text-decoration: none;
  margin-top: auto;
  transition: 0.3s;
}

.pricing-card .btn:hover {
  background: wheat;
  color: #fd7e14;
}

.pricing-card:hover {
  border: 2px solid #fd7e14;
  transform: scale(1.05);
  cursor: pointer;
}

/* nổi bật gói Standard */
.featured {
  border: 2px solid #fd7e14;
  transform: scale(1.05);
}
.hero .row {
  display: flex;
  gap: 10px;
  padding-top: 10px;
}
.benefit {
  width: 275px;
  display: flex;
  flex-direction: column;
  margin: 0 auto;
}
/* .benefit .row .line {
  flex-grow: 1;
  text-align-last: justify;
  text-align: justify;
} */
.sale {
  color: #fd7e14;
  animation: blink 3s infinite;
}
.sale i {
  animation: blink 3s infinite;
}
.contact-container {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 20px;
}

.contact-card {
  flex: 1 1 300px;
  max-width: 320px;
  padding: 25px;
  background: #fff;
  border-radius: 15px;
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.1);
  text-align: center;
  transition: transform 0.3s ease;
}

.contact-card:hover {
  transform: translateY(-10px);
}

.contact-card i {
  margin-bottom: 15px;
  color: #007bff;
}

.contact-card h3 {
  font-size: 20px;
  margin-bottom: 10px;
}

.contact-card p {
  font-size: 14px;
  margin-bottom: 20px;
  color: #555;
}

.contact-card .btn {
  display: inline-block;
  padding: 10px 20px;
  border-radius: 8px;
  background: #fd7e14;
  color: #fff;
  text-decoration: none;
  transition: background 0.3s ease;
}

.contact-card .btn:hover {
  background: wheat;
  color: #fd7e14;
}
.contact-card h3 {
  color: grey;
}
.contact-card i {
  color: #fd7e14;
}
#contact h2 {
  text-align: center;
}
.popup-phone {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  position: fixed;
  bottom: 100px;
  right: 10px;
  color: blue;
  box-shadow: rgba(0, 0, 0, 0.3) 0px 19px 38px,
    rgba(0, 0, 0, 0.22) 0px 15px 12px;
  font-size: 30px;
  padding-top: 6px;
  animation: pulse 1s infinite;
  background-color: white;
  display: none;
}

.popup-zalo {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  position: fixed;
  bottom: 200px;
  right: 10px;
  color: blue;
  box-shadow: rgba(0, 0, 0, 0.3) 0px 19px 38px,
    rgba(0, 0, 0, 0.22) 0px 15px 12px;
  font-size: 40px;
  animation: pulse 1s infinite;
  display: none;
}
.popup-zalo a {
  width: 100%;
  height: 100%;
  border-radius: 50%;
}
.popup-zalo a img{
  width: 100%;
  height: 100%;
  border-radius: 50%;
}
.popup-phone a {
  width: 100%;
  height: 100%;
  color: #007bff;
}
@keyframes pulse {
  0% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.1);
    opacity: 1;
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

@keyframes swipeFromLeft {
  from {
    opacity: 0;
    transform: translateX(-100px);
  }
  to {
    opacity: 1;
    transform: translateX(0px);
  }
}

@keyframes swipeFromRight {
  from {
    opacity: 0;
    transform: translateX(100px);
  }
  to {
    opacity: 1;
    transform: translateX(0px);
  }
}

@keyframes blink {
  0%,
  50%,
  100% {
    color: #fd7e14;
  }
  25%,
  75% {
    color: red;
  }
}
/* Responsive */
@media (max-width: 768px) {
  * {
    text-align: center;
  }
  .btn-action {
    flex-direction: column;
  }
  .content,
  .content.reverse {
    flex-direction: column-reverse;
  }

  .text ul {
    text-align: left;
    padding-left: 14px;
  }

  .text {
    display: flex;
    flex-direction: column;
    gap: 1rem;
  }

  .image {
    display: none;
  }
  .image-mobile {
    display: block;
  }
  .swiper .hero-content h1 {
    font-size: 1.7rem;
  }
  .benefit .row .line{
    max-width: 94vw;
    font-size: 14px;
  }
  .btn-action button{
    font-size: 20px;
  }
  .hero-content ul {
    font-size: 1rem;
    text-align: left;
  }
  .text ul {
    margin-left: 0;
    padding-left: 24px;
    list-style: none;
  }
  .text ul li,
  .text .line {
    font-size: 14px;
    text-align: left;
  }
  .section h2 {
    font-size: 20px;
  }
  #introduce .paragraph,
  .section .paragraph {
    font-size: 14px;
    text-indent: 12px;
  }

  #introduce h2 {
    font-size: 20px;
  }

  .text ul li {
    font-size: 18px;
  }

  .swiper {
    width: 100%;
    max-width: 400px;
    height: auto;
    margin: auto;
    padding: 1rem 0;
    z-index: 0 !important;
  }
  .swiper-slide {
    text-align: center;
    display: flex;
    height: auto !important;
    justify-content: center;
    align-items: center;
  }
  .swiper-slide img {
    width: 100%;
    height: 100% !important;
    object-fit: cover;
    border-radius: 10px;
  }
  .swiper-wrapper{
    position: none !important;
    z-index: 0 !important;
  }
  .footer-content {
    flex-direction: column;
    text-align: center;
  }
  .pricing-container {
    flex-direction: column;
    align-items: center;
  }
  .footer-column {
    margin-bottom: 2rem;
    align-items: center;
  }
  .infor-company {
    flex-direction: column;
    align-items: center;
  }
  .footer-content {
    gap: 5rem;
  }
  .nav-menu {
    position: absolute;
    top: 60px;
    right: 0;
    background: #fff;
    flex-direction: column;
    width: 220px;
    display: none;
    padding: 15px;
    border: 1px solid #ddd;
  }

  .nav-menu.show {
    display: flex;
  }
  .nav-menu.off {
    display: none;
  }
  .menu-toggle {
    display: block;
  }

  .nav-actions {
    display: none;
  }
  .pricing-card h3 {
    font-size: 18px;
  }
  .pricing-card ul li {
    font-size: 14px;
  }
  .show-popup {
    display: block;
  }
}