@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&display=swap");
@import url('https://fonts.googleapis.com/css2?family=Prompt:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&display=swap');



:root {
  --primary-color: #003399;
  --secondary-color: #111111;
  --secondary-color-light: #232220;
  --text-light: #a3a3a3;
  --white: #ffffff;
  --black: #000000;
  --max-width: 1200px;
}

* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
  font-family: "Prompt", sans-serif;
}

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

.section__header {
  font-size: 2.5rem;
  font-weight: 600;
}

.section__subheader {
  position: relative;
  isolation: isolate;
  margin-bottom: 1rem;
  padding-left: 20px;
  font-size: 2rem;
  font-weight: 500;
}

.section__subheader::after {
  position: absolute;
  content: "";
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  height: 60px;
  aspect-ratio: 1;
  background-color: var(--primary-color);
  z-index: -1;
}

.btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0.75rem 1.5rem;
  outline: none;
  font-size: 1rem;
  color: var(--white);
  border-radius: 5px;
  cursor: pointer;
}

.btn__secondary {
  background-color: transparent;
  border: 1px solid var(--white);
}

.btn__primary {
  background-color: var(--primary-color);
  border: 1px solid var(--primary-color);
}

.btn span {
  font-size: 1.2rem;
  transition: 0.3s;
}

.btn:hover span {
  transform: translateX(5px);
}

img {
  display: flex;
  width: 100%;
}

a {
  text-decoration: none;
}

html,
body {
  scroll-behavior: smooth;
}

body {
  font-family: "Poppins", sans-serif;
  color: var(--white);
  
}

header {
  background-image: linear-gradient(
      to right,
      rgba(0, 0, 0, 0.5),
      rgba(0, 0, 0, 0.8)
    ),
    url("assets/header-01.jpg");
  background-position: center center;
  background-repeat: no-repeat;
  background-size: cover;
  padding-top: 200px;
}

.nav-wrapper {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  backdrop-filter: blur(2px);
  background: rgba(0, 0, 0, 0.6);
  z-index: 9999;
}

nav {
  max-width: var(--max-width);
  margin: auto;
  padding: 1.5rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  
}

.nav__logo a {
  font-size: 2rem;
  font-weight: 700;
  color: var(--white);
}

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

.link a {
  padding: 5px;
  font-size: 1rem;
  font-weight: 500;
  color: var(--white);
  transition: 0.3s;
}

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

.nav__menu__btn {
  display: none;
  font-size: 1.5rem;
}

.header__container {
  padding-block: 5rem 12rem;
}

.header__container h1 {
  max-width: 900px;
  margin-inline: auto;
  margin-bottom: 2rem;
  font-size: 4rem;
  font-weight: 700;
  text-align: center;
}

.header__container .btn {
  margin: auto;
}

.about {
  background-color: var(--secondary-color);
}

.about__container {
  padding-block: 0;
}

.about__grid {
  padding: 2rem;
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 4rem;
  align-items: center;
  background-color: var(--secondary-color-light);
  transform: translateY(-5rem);
  border-radius: 10px;
}

.about__content .section__header {
  margin-bottom: 1rem;
}

.about__content .para {
  color: var(--text-light);
}

.about__list {
  display: grid;
  gap: 2rem;
}

.about__item {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.about__item span {
  padding: 13px 20px;
  font-size: 1.75rem;
  color: var(--primary-color);
  background-color: var(--secondary-color);
  border-radius: 5px;
}

.about__item h4 {
  font-size: 1.2rem;
  font-weight: 600;
}

.stats {
  background-color: var(--black);
}

.stats__container {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.stats__content .section__header {
  margin-bottom: 1rem;
}

.stats__content .para {
  margin-bottom: 2rem;
  color: var(--text-light);
}

.stats__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.stats__card span {
  font-size: 2.5rem;
  color: var(--primary-color);
}

.stats__card h4 {
  font-size: 2rem;
  font-weight: 700;
}

.stats__card p {
  font-weight: 500;
}

.stats__image {
  display: grid;
  gap: 2rem;
}

.stats__image img {
  max-width: 550px;
  margin: auto;
  border-radius: 5px;
}

.banner {
  background-image: linear-gradient(
      to right,
      rgba(0, 0, 0, 0.6),
      rgba(0, 0, 0, 0.6)
    ),
    url("assets/S__25583704.jpg");
  background-position: center center;
  background-size: cover;
  background-repeat: no-repeat;
}

.banner__content {
  max-width: 800px;
}

.banner__content .section__header {
  margin-bottom: 1rem;
}

.banner__content .para {
  max-width: 600px;
  margin-bottom: 2rem;
}

.banner__btns {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.blog {
  background-color: var(--secondary-color);
}

.blog__grid {
  margin-top: 4rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.blog__card img {
  width: 100%;
  height: 250px;       /* กำหนดความสูงให้เท่ากัน */
  object-fit: cover;   /* ครอบรูปไม่ให้ยืด */
  border-radius: 5px;
  margin-bottom: 1rem;
}

.blog__card {
  overflow: hidden; /* กันภาพล้นตอน zoom */
  border-radius: 10px;
}

.blog__card img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  border-radius: 10px;
  margin-bottom: 1rem;

  /* เพิ่มมิติ */
  transition: all 0.4s ease;
  box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

/* เอฟเฟกต์ตอนเอาเมาส์ไปวาง */
.blog__card:hover img {
  transform: scale(1.05); /* ซูมเล็กน้อย */
  box-shadow: 0 10px 25px rgba(0,0,0,0.3);
}

.blog__card > div {
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.blog__card div span {
  font-size: 0.9rem;
  color: var(--text-light);
}

.blog__card div span i {
  margin-right: 5px;
  font-size: 1rem;
  color: var(--primary-color);
}

.blog__card h4 {
  margin-bottom: 0.5rem;
  font-size: 1.2rem;
  font-weight: 600;
}

.blog__card p {
  color: var(--text-light);
}

.blog__btn {
  display: flex;
  justify-content: center;
  padding-block: 3rem;
}

.blog01 {
  background-color: var(--secondary-color-light);
}

.blog__grid01 {
  margin-top: 4rem;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.blog__card01 img {
  width: 100%;
  height: 140px;       /* กำหนดความสูงให้เท่ากัน */
  object-fit: cover;   /* ครอบรูปไม่ให้ยืด */
  border-radius: 5px;
  margin-bottom: 1rem;
}

.blog__card01 > div {
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.blog__card01 div span {
  font-size: 0.9rem;
  color: var(--text-light);
}

.blog__card01 div span i {
  margin-right: 5px;
  font-size: 1rem;
  color: var(--primary-color);
}

.blog__btn01 {
  display: flex;
  justify-content: center;
  padding-block: 3rem;
}

#scrollTopBtn {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  border: none;
  border-radius: 50%;
  background: linear-gradient(135deg, #003399);
  color: #fff;
  font-size: 24px;
  cursor: pointer;
  display: none; /* ซ่อนไว้ก่อน */
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 20px rgba(0,0,0,0.2);
  transition: all 0.3s ease;
  z-index: 999;
}

/* hover */
#scrollTopBtn:hover {
  transform: translateY(-5px) scale(1.1);
  box-shadow: 0 12px 25px rgba(0,0,0,0.3);
}


.footer {
  background-color: var(--black);
}

.footer__container {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 2rem;
}

.footer__col h5 a {
  display: inline-block;
  margin-bottom: 1rem;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--white);
}

.footer__col p {
  margin-bottom: 2rem;
  color: var(--text-light);
}

.footer__socials {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer__socials a {
  padding: 5px 10px;
  font-size: 1.25rem;
  color: var(--primary-color);
  background-color: var(--secondary-color-light);
  border-radius: 100%;
  cursor: pointer;
  transition: 0.3s;
}

.footer__socials a:hover {
  color: var(--white);
  background-color: var(--primary-color);
}

.footer__col h4 {
  margin-bottom: 1rem;
  font-size: 1.2rem;
  font-weight: 600;
}

.footer__links a {
  margin-bottom: 1rem;
  display: flex;
  color: var(--text-light);
  transition: 0.3s;
}

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

.footer__bar {
  padding: 1rem;
  font-size: 0.8rem;
  text-align: center;
  color: var(--text-light);
}

@media (width < 900px) {
  .nav__links {
    gap: 1.5rem;
  }

  .stats__container {
    grid-template-columns: repeat(1, 1fr);
  }

  .stats__image {
    grid-area: 1/1/2/2;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }

  .blog__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem 1rem;
  }

    .blog__grid01 {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem 1rem;
  }

  .footer__container {
    grid-template-columns: 2fr 1fr;
  }

  @media (width < 600px) {
  nav {
    position: fixed;
    width: 100%;
    padding: 1rem;
    background-color: var(--black);
    z-index: 99;
  }

  .nav__links {
    position: absolute;
    left: 0;
    top: 68px;
    padding: 2rem;
    width: 100%;
    flex-direction: column;
    transform: scaleY(0);
    transform-origin: top;
    transition: 0.5s;
    background-color: rgba(0, 0, 0, 0.9);
  }

  .nav__links .link a {
    opacity: 0;
  }

  .nav__links.open .link a {
    opacity: 1;
  }

  .nav__links.open {
    transform: scaleY(1);
  }

  .nav__menu__btn {
    display: block;
  }

  .header__container h1 {
    margin-top: 4rem;
    font-size: 3.5rem;
  }

  .stats__image {
    grid-template-columns: repeat(1, 1fr);
  }

  .blog__grid {
    grid-template-columns: repeat(1, 1fr);
  }

    .blog__grid01 {
    grid-template-columns: repeat(1, 1fr);
  }

}

}