@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700;800&display=swap");

:root {
  --primary-color: #ffffff;
  --primary-color-dark: #435681;
  --text-dark: #ffffff;
  --text-light: #ededed;
  --white: #ffffff;
  --max-width: 1200px;
  --nav-width: 2000px;
}

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

a {
  text-decoration: none;
}

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

body {
  font-family: "Poppins", sans-serif;
  position: relative;
  background-image: url("background.jpg");
  background-size: cover;
  background-repeat: no-repeat;
}

nav {
  max-width: var(--nav-width);
  margin: auto;
  padding: 2rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-dark);
}
.nav__logo img {
  width: 250px; /* Đặt chiều rộng của hình ảnh logo */
  height: auto; /* Đảm bảo tỷ lệ chiều cao tự động được tính toán */
}

.nav__links {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 2rem;
}

.link a {
  font-weight: 500;
  color: var(--text-light);
  transition: 0.3s;
}

.link a:hover {
  color: var(--primary-color);
  text-shadow: 0 0 10px white;
}

.section__container {
  max-width: var(--max-width);
  margin: auto;
  padding: 5rem 1rem;
}

.section__header {
  font-size: 2.5rem;
  font-weight: 600;
  color: var(--text-dark);
  text-align: center;
}

.header__image__container {
  max-width: var(--max-width);
  padding: 5rem 1rem;
  position: relative;
  overflow: hidden;
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  border-radius: 2rem;
  width: 50%;
  height: 50vh;
  background-position: center top;
}

.header__image__container_1,
.header__image__container_2 {
  max-width: var(--max-width);
  padding: 5rem 1rem;
  position: relative;
  overflow: hidden;
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  border-radius: 2rem;
  width: 50%;
  height: 50vh;
}

.header__image__container {
  position: relative;
  background-image: linear-gradient(
      to right,
      rgba(44, 56, 85, 0.7),
      rgba(100, 125, 187, 0.1)
    ),
    url("sonmi1.jpg");
}

.header__image__container_1 {
  position: relative;
  background-image: linear-gradient(
      to right,
      rgba(44, 56, 85, 0.7),
      rgba(100, 125, 187, 0.1)
    ),
    url("milano.jpg");
}

.header__image__container_2 {
  position: relative;
  background-image: linear-gradient(
      to right,
      rgba(44, 56, 85, 0.7),
      rgba(100, 125, 187, 0.1)
    ),
    url("lasas5.jpg");
}

.header__image__wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4rem;
  padding: 4rem 0;
}

.header__content h1 {
  margin-bottom: 1rem;
  font-size: 3.5rem;
  line-height: 4rem;
  font-weight: 600;
  color: var(--white);
}

.footer__bar {
  width: 50%;
  padding-bottom: 5px;
  padding-top: 0;
  position: relative;
  margin: auto;
  margin-bottom: 50px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-light);
  text-align: center;
  overflow: hidden;
}

.socials {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  width: 4em;
  height: 70%;
  padding: 2em;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9;
  right: 0;
  border-left: 1px rgba(175, 175, 176, 0.5) solid;
  list-style: none;
  flex-direction: column;
}

.socials li {
  font-size: 1.1em;
  margin: 2em 0;
}

.socials span {
  font-size: 1.2rem;
  color: white;
}
.header__content {
  position: absolute;
  top: 50%;
  left: 50%;
  left: 30%;
  transform: translate(-50%, -50%);
  color: white;
  text-align: left;
  max-width: 600px;
  padding: 2rem;
  background: linear-gradient(to right, white, gray);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

@media screen and (min-width: 768px) {
  .img__card,
  .img__card_1 {
    border-radius: 50%;
  }

  .img__grid {
    margin-top: 4rem;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    justify-content: center; 
  }

  .img__card {
    width: 400px; 
    height: 300px;
    border-radius: 2rem;
    overflow: hidden;
    box-shadow: 5px 5px 20px rgba(0, 0, 0, 0.2);
    position: relative;
  }

  .img__card_1 {
    width: 400px; 
    height: 200px;
    border-radius: 5rem;
    overflow: hidden;
    box-shadow: 5px 5px 20px rgba(0, 0, 0, 0.2);
    position: relative;
  }

  .img__card a {
    display: block;
    width: 100%; 
    height: 100%; 
    height: auto;
    overflow: hidden;
  }

  .img__card a img {
    width: 100%;
    height: 100%;
    transition: all 0.3s ease-in-out;
    object-fit: cover; 
    display: block;
    object-fit: cover;
  }

  .img__card a:hover img {
    transform: scale(1.1);
    opacity: 0.8;
  }

  .img__card_1 a {
    display: block;
    width: 100%; 
    height: 100%; 
    height: auto;
    overflow: hidden;
  }

  .img__card_1 a img {
    width: 100%;
    height: 100%;
    transition: all 0.3s ease-in-out;
    object-fit: cover; 
    display: block;
    object-fit: cover;
  }

  .img__card_1 a:hover img {
    transform: scale(1.1);
    opacity: 0.8;
  }
}

@media screen and (max-width: 768px) {
    .header__image__container,
  .header__image__container_1,
  .header__image__container_2 {
    width: 60%; /* Giảm kích thước khung hình */
    margin: auto; /* Căn giữa khung hình */
    padding: 1rem; /* Giảm padding */
  .img__grid {
    margin-top: 4rem;
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 2rem;
    justify-content: center;
  }

  .header__content h1 {

    font-size: 1.5rem;
    line-height: 2.5rem;
    margin-right: 1rem;
  }
}

.header__content {
  position: absolute;
  top: 50%;
  left: 50%;
  left: 30%;
  transform: translate(-50%, -50%);
  color: white;
  text-align: left;
  max-width: 600px;
  padding: 2rem;
  background: linear-gradient(to right, white, gray);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
  .img__grid {
    margin-top: 4rem;
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 2rem;
    justify-content: center;
  }

  .img__card,
  .img__card_1 {
    width: 100%;
    max-width: none;
    height: auto;
    border-radius: 2rem;
    overflow: hidden;
    box-shadow: 5px 5px 20px rgba(0, 0, 0, 0.2);
    position: relative;
  }

  .img__card a img,
  .img__card_1 a img {
    width: 100%;
    height: 100%;
    transition: all 0.3s ease-in-out;
    object-fit: cover;
    display: block;
    object-fit: cover;
  }

  .img__card a:hover img,
  .img__card_1 a:hover img {
    transform: scale(1.1);
    opacity: 0.8;
  }

  .header__content h1 {
    font-size: 2.5rem;
    line-height: 3rem;
    margin-right: 1rem;
  }
}

@media screen and (max-width: 820px) {
    .header__image__container,
  .header__image__container_1,
  .header__image__container_2 {
    width: 70%; /* Giảm kích thước khung hình */
    margin: auto; /* Căn giữa khung hình */
    padding: 1rem; /* Giảm padding */
  .img__grid {
    margin-top: 4rem;
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 2rem;
    justify-content: center;
  }

  .header__content h1 {

    font-size: 1.5rem;
    line-height: 2.5rem;
    margin-right: 1rem;
  }
}

.header__content {
  position: absolute;
  top: 50%;
  left: 50%;
  left: 30%;
  transform: translate(-50%, -50%);
  color: white;
  text-align: left;
  max-width: 600px;
  padding: 2rem;
  background: linear-gradient(to right, white, gray);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
  .img__grid {
    margin-top: 4rem;
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 2rem;
    justify-content: center;
  }

  .img__card,
  .img__card_1 {
    width: 100%;
    max-width: none;
    height: auto;
    border-radius: 2rem;
    overflow: hidden;
    box-shadow: 5px 5px 20px rgba(0, 0, 0, 0.2);
    position: relative;
  }

  .img__card a img,
  .img__card_1 a img {
    width: 100%;
    height: 100%;
    transition: all 0.3s ease-in-out;
    object-fit: cover;
    display: block;
    object-fit: cover;
  }

  .img__card a:hover img,
  .img__card_1 a:hover img {
    transform: scale(1.1);
    opacity: 0.8;
  }

  .header__content h1 {
    font-size: 2.5rem;
    line-height: 3rem;
    margin-right: 1rem;
  }
}

@media screen and (max-width: 1024px) {
    .header__image__container,
  .header__image__container_1,
  .header__image__container_2 {
    width: 60%; /* Giảm kích thước khung hình */
    margin: auto; /* Căn giữa khung hình */
    padding: 1rem; /* Giảm padding */
  .img__grid {
    margin-top: 4rem;
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 2rem;
    justify-content: center;
  }

  .header__content h1 {

    font-size: 1.5rem;
    line-height: 2.5rem;
    margin-right: 1rem;
  }
}

.header__content {
  position: absolute;
  top: 50%;
  left: 50%;
  left: 30%;
  transform: translate(-50%, -50%);
  color: white;
  text-align: left;
  max-width: 600px;
  padding: 2rem;
  background: linear-gradient(to right, white, gray);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
  .img__grid {
    margin-top: 4rem;
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 2rem;
    justify-content: center;
  }

  .img__card,
  .img__card_1 {
    width: 100%;
    max-width: none;
    height: auto;
    border-radius: 2rem;
    overflow: hidden;
    box-shadow: 5px 5px 20px rgba(0, 0, 0, 0.2);
    position: relative;
  }

  .img__card a img,
  .img__card_1 a img {
    width: 100%;
    height: 100%;
    transition: all 0.3s ease-in-out;
    object-fit: cover;
    display: block;
    object-fit: cover;
  }

  .img__card a:hover img,
  .img__card_1 a:hover img {
    transform: scale(1.1);
    opacity: 0.8;
  }

  .header__content h1 {
    font-size: 2.5rem;
    line-height: 3rem;
    margin-right: 1rem;
  }
}

@media screen and (max-width: 480px) {
  .header__image__container,
  .header__image__container_1,
  .header__image__container_2 {
    width: 60%; /* Giảm kích thước khung hình */
    margin: auto; /* Căn giữa khung hình */
    padding: 1rem; /* Giảm padding */
  .img__grid {
    margin-top: 4rem;
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 2rem;
    justify-content: center;
  }


  .header__content h1 {

    font-size: 1.5rem;
    line-height: 2.5rem;
    margin-right: 0.5rem;
  }
}

.header__content {
  position: absolute;
  top: 50%;
  left: 50%;
  left: 40%;
  transform: translate(-50%, -50%);
  color: white;
  text-align: left;
  max-width: 600px;
  padding: 2rem;
  background: linear-gradient(to right, white, gray);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

@media screen and (max-width: 768px) {
  body {
    background-image: url("background-medium.jpg"); /* Hình nền cho các thiết bị có kích thước trung bình */
  }
}

@media screen and (max-width: 480px) {
  body {
    background-image: url("background-medium.jpg"); /* Hình nền cho các thiết bị có kích thước nhỏ */
  }
}