* {
  margin: 0;
  padding: 0;
  font-family: Arial, Helvetica, sans-serif;
  scroll-behavior: smooth;
}

body {
  min-height: 200vh;
  overflow-x: hidden;
}

/* HEADER */
.header {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 2vh 10%;
  box-sizing: border-box;
  position: sticky;
  top: 0;
  z-index: 999;
  background: #fff;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
}

.header-title span {
  display: flex;
  align-items: center;
  font-weight: bold;
  font-size: 22px;
  gap: 3px;
}

.header-menu {
  cursor: pointer;
  z-index: 1001;
}

.header-menu img {
  width: 30px;
  height: 30px;
}

.logo {
  width: 38px;
  height: 38px;
  margin-top: 2px;
}

.logo-f {
  width: 120px;
  height: 120px;
  margin-bottom: -20px;
}

/* MOBILE MENU */
.mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 350px;
  max-width: 85%;
  height: 100vh;
  background: #fff;
  z-index: 2000;
  padding: 30px;
  box-sizing: border-box;
  transition: right 0.4s ease;
  box-shadow: -10px 0 30px rgba(0,0,0,0.15);
  display: flex;
  flex-direction: column;
}

.mobile-menu.active {
  right: 0;
}

/* OVERLAY */
.menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: rgba(0,0,0,0.45);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 1500;
}

.menu-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* MENU HEADER */
.mobile-menu-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 50px;
}

.mobile-menu-header span {
  font-size: 22px;
  font-weight: bold;
}

/* CLOSE BUTTON */
.mobile-menu-header button {
  border: none;
  background: none;
  font-size: 32px;
  cursor: pointer;
  transition: color 0.3s ease;
}

.mobile-menu-header button:hover {
  color: goldenrod;
}

/* MENU LIST */
.mobile-menu ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.mobile-menu ul li a {
  text-decoration: none;
  color: #000;
  font-size: 22px;
  font-weight: bold;
  transition: all 0.3s ease;
}

.mobile-menu ul li a:hover {
  color: goldenrod;
  padding-left: 10px;
}

/* BANNER */
.banner {
  width: 100%;
  height: 1053px;
  background-image: url("https://gvtv.sgp1.cdn.digitaloceanspaces.com/banner1.webp");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.banner-content {
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.25);
  padding: 2% 4%;
  box-sizing: border-box;
  text-align: left;
}

.banner-title p {
  color: #fff;
  white-space: pre-line;
  font-size: 18px;
  font-weight: bold;
  max-width: 70%;
}

.banner-hero p {
  color: #fff;
  white-space: pre-line;
  font-size: 50px;
  font-weight: bold;
  max-width: 70%;
}

.banner-btn {
  display: flex;
  gap: 50px;
  margin-top: 17%;
}

.banner-btn button {
  background: none;
  border: 2px solid #fff;
  color: #fff;
  font-size: 18px;
  font-weight: bold;
  padding: 15px 30px;
  box-sizing: border-box;
  cursor: pointer;
  transition: all 0.3s ease;
}

.banner-btn button:hover {
  background: #fff;
  color: goldenrod;
}

/* MAIN */
.main-content {
  width: 100%;
  padding: 2% 18%;
  box-sizing: border-box;
  text-align: left;
}

.service span {
  color: #000;
  font-size: 50px;
  font-weight: bold;
}

.service-list {
  list-style: none;
  padding: 0;
  margin-top: 50px;
  margin-bottom: 50px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.service-list li {
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  font-size: 15px;
  font-weight: bold;
  background: rgba(255, 255, 255, 0.03);
  color: #000;
  padding: 20px;
}

.main-media {
  width: 100%;
  padding: 0 4%;
  box-sizing: border-box;
}

.main-media-sub {
  display: flex;
  justify-content: center;
  gap: 40px;
  background-color: rgba(245, 245, 245, 0.8);
  padding: 5%;
  flex-wrap: wrap;
}

.main-media-item {
  position: relative;
}

.main-media-item img {
  width: 580px;
  height: 380px;
  object-fit: cover;
}

.main-media-item div {
  background: #fff;
  width: 90%;
  height: 60px;
  display: flex;
  align-items: center;
  padding-left: 20px;
  box-sizing: border-box;
  position: absolute;
  bottom: -30px;
  left: 5%;
  font-weight: bold;
  box-shadow: 0 4px 15px rgba(0,0,0,0.08);
}

/* ABOUT */
.about {
  width: 100%;
  padding: 4% 4%;
  padding-bottom: 2%;
  box-sizing: border-box;
}

.about-title {
  font-size: 50px;
  font-weight: bold;
}

.about-us {
  margin-top: 2%;
  font-size: 25px;
  font-weight: bold;
  max-width: 70%;
  line-height: 1.5;
}

/* EXPLORE */
.explore {
  width: 100%;
  padding: 1% 4%;
  box-sizing: border-box;
  text-align: right;
}

.explore-us {
  font-size: 18px;
  font-weight: bold;
}

.explore-btn button {
  margin-top: 2%;
  margin-bottom: 3%;
  background: none;
  border: 1px solid #000;
  color: #000;
  font-size: 15px;
  font-weight: bold;
  padding: 10px 20px;
  box-sizing: border-box;
  cursor: pointer;
  transition: all 0.3s ease;
}

.explore-btn button:hover {
  color: goldenrod;
}

/* FOOTER */
.footer {
  width: 100%;
  padding: 1% 4%;
  box-sizing: border-box;
}

.footer-title {
  font-weight: bold;
  font-size: 22px;
}

.footer-title span {
  display: flex;
  align-items: center;
  gap: 3px;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

.contact-list,
.policy-list {
  list-style: none;
  padding: 0;
  margin-top: 50px;
  margin-bottom: 50px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 15px;
  font-weight: bold;
}

.copyright {
  width: 100%;
  text-align: center;
  font-size: 15px;
  color: goldenrod;
  font-weight: 500;
  margin-bottom: 1%;
}

.border {
  border: none;
  border-bottom: 1px solid rgba(0, 0, 0, 0.75);
  box-sizing: border-box;
  margin-top: 1%;
}

/* RESPONSIVE */
@media screen and (max-width: 1024px) {

  .banner-hero p {
    font-size: 36px;
    max-width: 100%;
  }

  .banner-title p {
    max-width: 100%;
  }

  .main-content {
    padding: 5%;
  }

  .about-us {
    max-width: 100%;
    font-size: 20px;
  }

}

@media screen and (max-width: 768px) {

  .header {
    padding: 20px;
  }

  .banner {
    height: auto;
  }

  .banner-content {
    padding: 80px 20px;
  }

  .banner-title p {
    font-size: 16px;
  }

  .banner-hero p {
    font-size: 28px;
    line-height: 1.4;
  }

  .banner-btn {
    flex-direction: column;
    gap: 20px;

    margin-top: 60px;
  }

  .service span,
  .about-title {
    font-size: 36px;
  }

  .main-media-item img {
    width: 100%;
    height: auto;
  }

  .about-us {
    font-size: 18px;
  }

  .footer-content {
    flex-direction: column;
    align-items: flex-start;
  }

}

/* MOBILE OPTIMIZE */
@media screen and (max-width: 768px) {

  body {
    min-height: auto;
  }

  /* HEADER */
  .header {
    padding: 16px 20px;
  }

  .header-title span {
    font-size: 18px;
  }

  .header-menu img {
    width: 26px;
    height: 26px;
  }

  .logo {
    width: 30px;
    height: 30px;
    margin-top: 2px;
  }

  /* MOBILE MENU */
  .mobile-menu {
    width: 85%;
    padding: 25px;
  }

  .mobile-menu-header {
    margin-bottom: 40px;
  }

  .mobile-menu ul li a {
    font-size: 18px;
  }

  /* BANNER */
  .banner {
    height: auto;
    min-height: 100vh;
  }

  .banner-content {
    padding: 90px 20px 70px;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .banner-title p {
    font-size: 14px;
    line-height: 1.7;
    max-width: 100%;
    margin-bottom: 20px;
  }

  .banner-hero p {
    font-size: 28px;
    line-height: 1.45;
    max-width: 100%;
  }

  .banner-btn {
    flex-direction: column;
    gap: 15px;

    margin-top: 50px;
  }

  .banner-btn button {
    width: 100%;
    font-size: 15px;
    padding: 14px 20px;
  }

  /* MAIN */
  .main {
    padding-top: 50px;
  }

  .main-content {
    padding: 0 20px;
  }

  .service span {
    font-size: 32px;
  }

  .service-list {
    margin-top: 30px;
    margin-bottom: 50px;
    gap: 15px;
  }

  .service-list li {
    padding: 18px;
    font-size: 14px;
    line-height: 1.7;
  }

  /* MEDIA */
  .main-media {
    padding: 0 20px;
  }

  .main-media-sub {
    gap: 60px;
    padding: 30px 20px 60px;
  }

  .main-media-item {
    width: 100%;
  }

  .main-media-item img {
    width: 100%;
    height: 170px;
    object-fit: cover;
  }

  .main-media-item div {
    width: calc(100% - 30px);
    height: 55px;
    left: 15px;
    bottom: -25px;
    padding-left: 16px;
    font-size: 14px;
  }

  /* ABOUT */
  .about {
    padding: 70px 20px 30px;
  }

  .about-title {
    font-size: 32px;
    line-height: 1.3;
  }

  .about-us {
    margin-top: 25px;
    max-width: 100%;
    font-size: 17px;
    line-height: 1.9;
  }

  /* EXPLORE */
  .explore {
    padding: 30px 20px 0px;
    text-align: left;
  }

  .explore-us {
    font-size: 15px;
    line-height: 1.8;
  }

  .explore-btn button {
    margin-top: 30px;
    margin-bottom: 0;
    width: 100%;
    padding: 14px 20px;
    font-size: 14px;
  }

  /* FOOTER */
  .footer {
    padding: 0px 20px 30px;
  }

  .footer-title {
    font-size: 20px;
    line-height: 1.6;
  }

  .footer-content {
    flex-direction: column;
    align-items: flex-start;
  }

  .contact-list,
  .policy-list {
    margin-top: 35px;
    margin-bottom: 0;
    gap: 14px;
    font-size: 14px;
    line-height: 1.7;
  }

  .policy {
    margin-top: 35px;
  }

  .copyright {
    margin-top: 40px;
    font-size: 13px;
    line-height: 1.6;
  }

  .border {
    margin-top: 35px;
  }

}

/* ANIMATION BASE */
.fade-up {
  opacity: 0;
  transform: translateY(-15px);
  transition: all 0.8s ease;
}

.fade-up.show {
  opacity: 1;
  transform: translateY(0);
}