@import url('https://fonts.googleapis.com/css2?family=Corinthia:wght@400;700&display=swap');

body {
  position: relative;
}

header {
  position: absolute;
  top: 20px;
  width: 100%;
  z-index: 100;
}

.nav-links {
  width: max-content;
}

.nav-links a {
  color: #ffffff;
  color: #ffffff;
  border: 1.5px solid transparent; /* Thêm dòng này */
  border-radius: 8px; /* Đảm bảo bo góc luôn có */
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  text-decoration: none;
}

.nav-links li a:hover {
  color: #fff;
  border: 1.5px solid #fff;
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 2px 12px 0 rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  text-decoration: none;
}

.hero {
  width: 100%;
  height: 110vh;
  background: url(https://bansac.vn/gioi-thieu/images/bg-hero.png) no-repeat center center/cover;
  position: relative; /* Add this */
  background-color: #ffffff;
}

@media (max-height: 700px) {
  .hero {
    height: 126vh;
  }
}

@media (max-height: 500px) {
  .hero {
    height: auto;
  }
}

.hero .container {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  background: url(https://bansac.vn/gioi-thieu/images/Cloud.png) no-repeat center center/contain;
  background-position: center 25%;
  padding-top: 300px;
  padding-bottom: 350px;
}

.hero-footer {
  display: block;
  width: 100%;
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  z-index: 1;
}

.hero-content {
  position: static;
  z-index: 2;
}

.hero-title {
  font-family: "Corinthia", cursive;
  font-size: 40px;
  color: #ffffff;
}

@media screen and (min-width: 1300px) {
  .hero-title {
    font-size: 50px;
  }
}

.hero-img {
  width: 100%;
  max-width: 712px;
  height: auto;
}

.hero-description {
  font-family: "MontMedium";
  font-size: 24px;
  color: #ffffff;
  margin-top: 30px;
  text-transform: uppercase;
}

.btn-register-hero {
  display: block;
  text-align: center;
  font-family: "MontMedium";
  font-size: 18px;
  text-transform: uppercase;
  max-width: 292px;
  width: 100%;
  height: 56px;
  line-height: 56px;
  color: #ffffff;
  background-color: rgb(255 255 255 / 10%);
  border-radius: 50px;
  border: 1px solid rgb(255 255 255 / 30%);
  margin-top: 30px;
  margin-left: auto;
  margin-right: auto;
}

.btn-register-hero:hover {
  background: linear-gradient(90deg, #eb5d40 0%, #ffb347 100%);
  color: #fff;
  border: 1px solid #eb5d40;
  box-shadow: 0 4px 16px 0 rgba(235, 93, 64, 0.15);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
}

.intro {
  width: 100%;
  min-height: 300px;
  background-color: #f6f3ed;
  position: relative; /* Add this */
  background-image: url(https://bansac.vn/gioi-thieu/images/intro-video-img.png);
  background-repeat: no-repeat;
  background-position: right bottom 100%;
  background-size: 673px 431px;
}

.intro .container {
  padding-top: 100px;
  padding-bottom: 100px;
}

.intro-content {
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.intro-footer {
  width: 100%;
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  z-index: 1;
}

.intro-title {
  font-family: "PhuduEB";
  text-align: left;
  font-size: 56px;
  color: #0a0a0a;
  margin-bottom: 30px;
}

.intro-text {
  font-family: "MontRegular";
  font-size: 20px;
  color: #666;
  margin-bottom: 20px;
}

.video-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.prize {
  width: 100%;
  height: auto;
  /* background: url(https://bansac.vn/gioi-thieu/images/bg-prize.png) no-repeat center center/cover; */
  position: relative; /* Add this */
  margin-bottom: 60px;
  background-color: #ffefc1;
  z-index: 2;
}

.prize .container {
  padding-top: 150px;
  padding-bottom: 150px;
}

.prize-footer {
  width: 100%;
  position: absolute;
  left: 50%;
  top: 99%;
  transform: translateX(-50%);
  z-index: 2;
}

.prize-title1 {
  font-family: "PhuduBold";
  text-align: center;
  font-size: 32px;
  color: #0a0a0a;
  margin-bottom: 5px;
  opacity: 0.7;
}

.prize-title2 {
  font-family: "PhuduBold";
  text-align: center;
  font-size: 56px;
  color: #a62120;
  margin-bottom: 20px;
  line-height: 64px;
}

.prize-title2 span {
  font-size: 20px;
}

.prize-text {
  font-family: "MontRegular";
  font-size: 20px;
  line-height: 30px;
  text-align: center;
  color: #000000;
  margin-bottom: 20px;
}

.prize-note {
  font-family: "MontRegular";
  font-size: 20px;
  line-height: 32px;
  text-align: center;
  color: #000000;
  opacity: 0.5;
}

.route {
  margin-top: -70px;
  width: 100%;
  height: auto;
  min-height: 800px;
  background: url(https://bansac.vn/gioi-thieu/images/bg_route.png) no-repeat center center/cover;
  background-position: 100% 100%;
  position: relative; /* Add this */
  background-color: #ffefc1;
  z-index: 1;
}

.route .container {
  padding-top: 180px;
  padding-bottom: 30px;
}

.route-footer {
  width: 100%;
  position: absolute;
  left: 50%;
  top: 100%;
  transform: translateX(-50%);
  z-index: 1;
}

.route-title {
  font-family: "PhuduEB";
  text-align: center;
  font-size: 56px;
  color: #ffffff;
  margin-bottom: 20px;
  line-height: 64px;
}

.main-route-ctn {
  width: 100%;
  height: 700px;
  padding-top: 400px;
}

.main-route {
  min-width: 1000px;
  display: flex;
  width: 100%;
  height: 2px;
  background-color: #eb5d40;
}

.route-no-1 {
  position: relative;
  width: 40%;
}

.route-no-2 {
  position: relative;
  width: 32%;
}

.route-no-3 {
  position: relative;
  width: 28%;
}

.route-no-1::before {
  content: "";
  position: absolute;
  top: -6px;
  left: 5px;
  display: block;
  width: 16px;
  height: 194px;
  background: url(https://bansac.vn/gioi-thieu/images/route-bf-img.png) no-repeat center center/cover;
  transform: translateX(-50%) rotate(180deg);
}

.route-no-2::before {
  content: "";
  position: absolute;
  top: -186px;
  left: 5px;
  display: block;
  width: 16px;
  height: 194px;
  background: url(https://bansac.vn/gioi-thieu/images/route-bf-img.png) no-repeat center center/cover;
}

.route-no-3::before {
  content: "";
  position: absolute;
  top: -6px;
  left: 5px;
  display: block;
  width: 16px;
  height: 194px;
  background: url(https://bansac.vn/gioi-thieu/images/route-bf-img.png) no-repeat center center/cover;
  transform: translateX(-50%) rotate(180deg);
}

.route-no-1 > img {
  position: absolute;
  width: 64px;
  height: auto;
  left: 120px;
  top: -120px;
}

.route-no-2 > img {
  position: absolute;
  width: 147px;
  height: auto;
  left: 100px;
  bottom: -120px;
}

.route-no-3 > img {
  position: absolute;
  width: 90px;
  height: auto;
  left: 120px;
  top: -120px;
}

.route-content-1 {
  position: absolute;
  top: 30px;
  left: 30px;
}

.route-title-1 {
  font-family: "MontMedium";
  font-weight: 700;
  font-size: 20px;
  line-height: 32px;
  color: #ffffff;
  text-align: left;
}

.route-text-1 {
  font-family: "MontMedium";
  font-size: 20px;
  line-height: 32px;
  color: #ffffff;
  text-align: left;
  position: relative;
  padding-left: 20px;
}

.route-text-1::before {
  content: "";
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  left: 0;
  display: block;
  width: 8px;
  height: 8px;
  background-color: #ffffff;
  border-radius: 50%;
}

.route-btn-1 {
  display: block;
  height: 40px;
  width: fit-content;
  padding-left: 20px;
  padding-right: 20px;
  font-family: "MontMedium";
  font-size: 14px;
  line-height: 40px;
  color: #a62120;
  background-color: rgb(255 255 255 / 86%);
  border-radius: 50px;
  text-transform: uppercase;
  text-align: center;
  margin-top: 20px;
}

.route-btn-1:hover {
  background: linear-gradient(90deg, #eb5d40 0%, #ffb347 100%);
  color: #fff;
  border: 1px solid #eb5d40;
  box-shadow: 0 4px 16px 0 rgba(235, 93, 64, 0.15);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
}

.route-content-2 {
  position: absolute;
  bottom: calc(100% + 30px);
  left: 50px;
}

.route-content-3 {
  position: absolute;
  top: 30px;
  left: 30px;
}

.rule {
  position: relative;
  background-color: #f6f3ed;
  background-image: url(https://bansac.vn/gioi-thieu/images/bg-comp2.png);
  background-repeat: no-repeat;
  background-position: right bottom 20%;
  background-size: contain;
  background-size: 629px 414px;
}

.rule .container {
  padding-top: 130px;
  padding-bottom: 80px;
}

.rule-footer {
  width: 100%;
  position: absolute;
  left: 50%;
  top: calc(100% - 2px);
  transform: translateX(-50%);
  z-index: 2;
}

.rule-label {
  width: fit-content;
  padding: 8px 16px;
  font-family: "MontMedium";
  font-size: 18px;
  line-height: 24px;
  color: #0a0a0a;
  text-align: center;
  margin-bottom: 16px;
  border-radius: 50px;
  border: 1px solid #0a0a0a;
  text-transform: uppercase;
}

.rule-title {
  font-family: "PhuduBold";
  font-size: 54px;
  line-height: 64px;
  color: #a62120;
  text-align: left;
  margin-bottom: 40px;
}

.rule-des {
  font-family: "MontRegular";
  font-size: 20px;
  line-height: 28px;
  color: #666666;
  text-align: left;
  text-transform: uppercase;
  margin-bottom: 50px;
}

.flex-btw {
  display: flex;
  justify-content: space-between;
}

.rule-content {
  margin-bottom: 48px;
}

.rule-sub-title {
  font-family: "PhuduBold";
  font-size: 24px;
  line-height: 32px;
  color: #1aac7d;
  text-align: left;
}

.rule-text {
  font-family: "MontRegular";
  font-size: 16px;
  line-height: 24px;
  color: #0f172a;
}

.rule-link {
  font-family: "MontRegular";
  font-size: 16px;
  line-height: 24px;
  color: #a62120;
  text-align: left;
  text-decoration: underline;
}

.rule-line {
  margin-bottom: 20px;
}

.rule-sub-title-2 {
  font-family: "MontBold";
  font-size: 16px;
  line-height: 24px;
  color: #0a0a0a;
  text-align: left;
  margin-bottom: 8px;
}

.rule-time {
  font-family: "MontRegular";
  font-size: 16px;
  line-height: 24px;
  color: #a62120;
  text-align: left;
  display: flex;
  align-items: center;
  gap: 3px;
  margin-bottom: 15px;
  font-weight: 600;
}

.rule-time span {
  font-family: "MontRegular";
}

.rule-time img {
  margin-right: 5px;
}

.btn-share {
  display: block;
  width: fit-content;
  padding: 16px 28px;
  font-family: "MontMedium";
  font-size: 18px;
  line-height: 24px;
  color: #ffffff;
  background-color: #eb5d40;
  border: 1px solid #a62120;
  border-radius: 50px;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.btn-share:hover {
  background: linear-gradient(90deg, #eb5d40 0%, #ffb347 100%);
  color: #fff;
  border: 1px solid #eb5d40;
  box-shadow: 0 4px 16px 0 rgba(235, 93, 64, 0.15);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
}

.btn-vote {
  display: block;
  width: fit-content;
  padding: 16px 28px;
  font-family: "MontMedium";
  font-size: 18px;
  line-height: 24px;
  color: #ffffff;
  background-color: #1aac7d;
  border: 1px solid #7dcdb6;
  border-radius: 50px;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.btn-vote:hover {
  background: linear-gradient(90deg, #1aac7d 0%, #5ee7b7 100%);
  color: #fff;
  border: 1px solid #1aac7d;
  box-shadow: 0 4px 16px 0 rgba(26, 172, 125, 0.15);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
}

/* style for swiper */

.swiper-ctn {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: end;
}

.quizSwiper {
  width: 100%;
  height: fit-content;
  margin-top: auto;
  margin-bottom: 0;
}

.quizSwiper .swiper-slide {
  height: 600px;
  max-width: 320px;
  background: url(https://bansac.vn/gioi-thieu/images/iphone.png) no-repeat center center/cover;
  background-size: 100% 100%;
  position: relative;
}

.quizSwiper .swiper-slide img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.quiz-swiper-navigation {
  display: flex;
  gap: 20px;
  margin-top: 20px;
}

.custom-prev {
  width: 36px;
  height: 36px;
  background: url(https://bansac.vn/gioi-thieu/images/navigation-icon.png) no-repeat center center/cover;
  background-size: 100% 100%;
}

.custom-next {
  width: 36px;
  height: 36px;
  background: url(https://bansac.vn/gioi-thieu/images/navigation-icon.png) no-repeat center center/cover;
  background-size: 100% 100%;
  transform: rotate(180deg);
}

/* end style for swiper */

.quiz-number {
  font-family: "MontMedium";
  font-size: 14px;
  color: #fefaef;
  background: #000;
  width: 100%;
  margin: 0 auto;
  width: calc(100% - 21px);
  height: 12%;
  border-bottom-left-radius: 45px;
  border-bottom-right-radius: 45px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 16px;
}

.video-container {
  width: calc(100% - 21px);
  height: calc(100% - 88px);
  margin: 0 auto;
  border-top-left-radius: 20px;
  border-top-right-radius: 20px;
  overflow: hidden;
  padding-top: 5px;
}
.video-container video,
.video-container iframe {
  width: 100%;
  height: 100%;
  border-top-left-radius: 45px;
  border-top-right-radius: 45px;
}

.custom-prev:hover,
.custom-next:hover {
  filter: brightness(1.3) drop-shadow(0 2px 8px rgba(235, 93, 64, 0.18));
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
}

.dashed-divider {
  width: 100%;
  height: 1px;
  border-bottom: 1px dashed #d9bfbf;
  margin-top: 80px;
  margin-bottom: 80px;
}

.streak {
  padding: 16px;
  background-color: rgb(255 255 255 / 50%);
  border-radius: 24px;
  display: flex;
  justify-content: space-between;
  margin-bottom: 30px;
}

.streak-item {
  width: fit-content;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.streak-item .inactive-icon,
.streak-item.active .active-icon {
  display: block;
}

.streak-item .active-icon,
.streak-item.active .inactive-icon {
  display: none;
}

.streak-item span {
  font-family: "Phudu";
  font-weight: bold;
  font-size: 12px;
  line-height: 24px;
  color: #e0e0e0;
}

.streak-item.active span {
  color: #000000;
}

.video-wrapper {
  width: 100%;
  max-width: 541px;
  height: 396px;
  /* background: url(https://bansac.vn/gioi-thieu/images/intro-video-frame.png) no-repeat center center/cover; */
  background-size: 100% 100%;
  padding-top: 75px;
  padding-left: 37px;
  padding-right: 37px;
  padding-bottom: 63px;

  overflow: hidden;
}

.video-wrapper iframe {
  width: 100%;
  height: 100%;
  border-bottom-left-radius: 20px;
  border-bottom-right-radius: 20px;
  border-top-right-radius: 20px;
  border-top-left-radius: 20px;
}

.phone-video-ctn {
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: end;
  padding-bottom: 50px;
}

.phone-video {
  width: 100%;
  max-width: 320px;
  height: 640px;
  /* background: url(https://bansac.vn/gioi-thieu/images/iphone.png) no-repeat center center/cover; */
  background-size: 100% 100%;
  margin: 0 auto;
  padding-left: 10px;
  padding-top: 5px;
  padding-right: 9px;
  padding-bottom: 5px;
}

.phone-video .video-container-1,
.phone-video .video-container-2 {
  width: 100%;
  height: 100%;
}

.phone-video video {
  width: 100%;
  height: 100%;
  border-radius: 45px;
  transform: scale(1.05);
  object-fit: cover;
  cursor: pointer;
}

.sponsor-bannner {
  width: 100%;
}

.host {
  width: 100%;
  background: url(https://bansac.vn/gioi-thieu/images/bg-host.png) no-repeat center center/cover;
}

.host {
  padding-top: 60px;
  padding-bottom: 60px;
}
.host .container {
  padding-top: 20px;
  padding-bottom: 20px;
}

.host-content {
  width: 100%;
  display: flex;
  margin: 0 auto;
  row-gap: 80px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.host-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  text-align: center;
}

.host-logos {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: 20px;
  margin-top: 20px;
}

.host-logo-item {
  display: flex;
  align-items: center;
  justify-content: center;
}

.host-logo {
  object-fit: contain;
  max-width: 100%;
  transition: transform 0.3s ease;
}

.host-logo.l1 {
  height: 100px;
  width: auto;
}

.host-logo.l2 {
  height: 80px;
  width: auto;
}

.host-logo.l2-1 {
  height: 60px;
  width: auto;
}

.host-logo.l3 {
  width: 360px;
  height: auto;
}

.host-logo.l4 {
  width: 329px;
  height: auto;
}

.host-logo.l5 {
  height: 80px;
  width: 80px;
  border-radius: 8px;
  object-fit: cover;
}

.host-logo.l6 {
  height: 60px;
  width: auto;
}

.host-logo.l7 {
  height: 60px;
  width: auto;
}

.host-logo.l8 {
  height: 100px;
  width: auto;
}

.host-logo.l8-2 {
  height: 110px;
}

.host-logo.l8-1 {
  height: 70px;
  width: auto;
}

.host-logo.l9 {
  height: 70px;
  width: auto;
}

.host-logo.l10 {
  height: 70px;
  width: auto;
  object-fit: contain;
  border-radius: 8px;
}

.host-logo.l11 {
  height: 70px;
  width: 70px;
  border-radius: 8px;
  object-fit: cover;
}
.host-logo.l13 {
  height: 80px;
  width: 80px;
  border-radius: 8px;
  object-fit: cover;
}

.host-logo.l12 {
  height: 70px;
  width: 70px;
  border-radius: 4px;
  object-fit: cover;
}

.host-logo:hover {
  transform: scale(1.05);
}

.host-title {
  font-family: "PhuduBold";
  font-size: 32px;
  line-height: 40px;
  color: #fff;
  text-transform: uppercase;
}

.host-title-1 {
  font-family: "PhuduBold";
  font-size: 20px;
  line-height: 40px;
  color: #ffb3b3;
  text-transform: uppercase;
  opacity: 0.5;
}

@media screen and (max-width: 1124px) and (min-width: 1080px) {
  .host-title-1 {
    font-size: 18px;
  }
}

@media screen and (max-width: 1001px) and (min-width: 768px) {
  .nav-title-logo {
    padding-top: 0px;
  }
  .hero-img {
    max-width: 500px;
  }
  .hero-description {
    font-size: 20px;
  }

  .hero-title {
    font-size: 22px;
  }

  .nav-title-logo img {
    width: 80%;
    margin: 0 auto;
  }
}

@media screen and (max-width: 768px) {
  .hero {
    height: auto;
  }
  .host .container {
    padding-top: 10px;
    padding-bottom: 10px;
  }
  .host-logo.l1 {
    height: 80px;
    width: auto;
  }

  .host-logo.l2 {
    height: 60px;
    width: auto;
  }

  .host-logo.l2-1 {
    height: 50px;
    width: auto;
  }

  .host-logo.l3 {
    width: 100%;
    height: auto;
  }

  .host-logo.l4 {
    width: 100%;
    height: auto;
  }

  .host-logo.l5 {
    height: 60px;
    width: 60px;
    border-radius: 8px;
    object-fit: cover;
  }

  .host-logo.l6,
  .host-logo.l7 {
    height: 43px;
    width: auto;
  }

  .host-logo.l8 {
    height: 70px;
    width: auto;
  }

  .host-logo.l8-2 {
    max-width: 160px;
    width: 100%;
  }
  .host-logo.l9 {
    height: 45px;
    width: auto;
  }

  .host-logo.l10 {
    height: 45px;
    width: auto;
    border-radius: 8px;
  }

  .host-logo.l11 {
    height: 45px;
    width: auto;
    border-radius: 8px;
  }

  .host-logo.l13 {
    height: 50px;
    width: auto;
    border-radius: 8px;
  }

  .host-logo.l12 {
    height: 45px;
    width: 45px;
    border-radius: 8px;
    object-fit: cover;
  }

  .hl-mobile {
    flex-wrap: wrap;
  }
}

.qa {
}

.qa .container {
  padding-top: 80px;
  padding-bottom: 80px;
}

.qa-title {
  font-family: "PhuduBold";
  font-size: 56px;
  line-height: 64px;
  color: #0a0a0a;
  text-align: center;
  text-transform: uppercase;
  margin-bottom: 100px;
}

.qa-content p,
.qa-content ul li {
  font-family: "MontRegular";
  font-size: 18px;
  line-height: 24px;
  color: #0f172a;
  margin-bottom: 10px;
}

.qa-content-title {
  font-family: "MontMedium";
  font-weight: bold;
  font-size: 24px;
  line-height: 32px;
  color: #0a0a0a;
}

.accordion-item {
  border: none;
}

.accordion-item {
  border-top: 1px solid #e2e8f0 !important;
}

.accordion-button:not(.collapsed),
.accordion-button.collapsed {
  color: #000000;
  background-color: unset;
  box-shadow: none;
}

.accordion-button {
  padding-top: 25px;
  padding-bottom: 25px;
}
.qa-content ul {
  list-style: disc inside;
  padding-left: 0;
}

.qa-content ul li {
  text-indent: -20px;
  padding-left: 20px;
  margin-left: 0;
}

.scroll-footer {
  width: 100%;
  height: fit-content;
  background-color: rgb(255, 255, 255, 0.3);
  backdrop-filter: blur(10px); /* làm mờ nền phía sau */
  position: fixed;
  bottom: 0;
  left: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  gap: 20px;
  transition: transform 1s cubic-bezier(0.4, 0, 0.2, 1),
    opacity 1s cubic-bezier(0.4, 0, 0.2, 1);
  transform: translateY(100%);
  opacity: 0;
  pointer-events: none;
  /* Safari iOS safe area support */
  padding-bottom: env(safe-area-inset-bottom, 0);
  min-height: 78px;
}

.scroll-footer.active {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.scroll-footer .sf-btn-group {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding-top: 10px;
  padding-bottom: 10px;
}

.scroll-footer .sf-btn-group .btn-share {
  margin-bottom: 0;
}

footer {
  padding-bottom: 128px;
}

.left-cloud {
  position: absolute;
  bottom: 0;
  left: -20px;
  width: 180px;
  height: auto;
}

.right-cloud {
  position: absolute;
  bottom: 0;
  right: -45px;
  width: 180px;
  height: auto;
}

.hidden {
  display: none;
}

.btn-share.disabled {
  color: #ffffff;
  background: #a62120;
  border: #a62120;
  opacity: 0.48;
  pointer-events: none;
}

.btn-vote.disabled {
  color: #ffffff;
  background: #1aac7d;
  border: #1aac7d;
  opacity: 0.48;
  pointer-events: none;
}

.dark-link {
  color: #0f172a;
}

.rule-time.inactive {
  color: #666666;
}

.rule-time.inactive img {
  filter: grayscale(1) brightness(0) invert(0.4) sepia(1) saturate(0)
    hue-rotate(0deg) brightness(0.6);
}

.logo-bvh {
  height: 76px;
  width: auto;
}

.logo-vtc {
  height: 76px;
  width: auto;
}

.burger-menu span {
  background-color: #ffffff;
}

.display-none-576 {
  display: block;
}

.display-block-576 {
  display: none;
}

.hero-footer-mb {
  display: none;
  width: 100%;
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  z-index: 1;
}

/* responsive */
@media (max-width: 992px) {
  .video-wrapper {
    margin: 0 auto;
  }

  .main-route-ctn {
    overflow-x: auto;
  }

  .intro-title {
    text-align: center;
  }

  .scroll-footer .left-cloud,
  .scroll-footer .right-cloud {
    height: 100%;
    width: auto;
    z-index: -1;
  }

  .scroll-footer .left-cloud {
    transform: translateX(-30%);
  }

  .scroll-footer .right-cloud {
    transform: translateX(10%);
  }

  .sf-btn-group {
    padding: 10px;
  }

  .scroll-footer .sf-btn-group {
    flex-wrap: wrap;
  }
}

@media (max-width: 768px) {
  .host-item:nth-child(1),
  .host-item:nth-child(2) {
    width: 100%;
  }
}

@media (max-width: 576px) {
  .hero-footer {
    display: none;
  }

  .hero-footer-mb {
    display: block;
  }

  .display-none-576 {
    display: none;
  }

  .display-block-576 {
    display: block;
  }

  .logo-bvh,
  .logo-vtc {
    height: 90px;
    width: 90px;
    object-fit: contain;
  }
}

@media screen and (max-width: 1299px) and (min-width: 990px) {
  .rule-title {
    font-size: 40px;
    line-height: 50px;
  }
}

@media screen and (max-width: 768px) {
    .logo-bvh,
    .logo-vtc {
      width: 70px !important;
      height: auto !important;
      object-fit: contain;
    }

    .scroll-footer {
      height: 60px;
    }

  .logo-ctn {
    gap: 12px;
  }

  .hero-title {
    margin-bottom: 15px;
  }

  .hero-description {
    text-align: center;
    font-size: 16px;
  }

  .hero .container {
    padding-bottom: 300px;
  }

  .inactive-icon,
  .active-icon {
    width: 26px;
    height: auto;
  }

  .streak-item span {
    font-size: 9px;
  }

  .intro-title {
    font-size: 36px;
    text-align: center;
  }

  .prize-title2 {
    font-size: 32px;
    line-height: 45px;
  }

  .prize-text br {
    display: none;
  }

  .prize-text {
    text-align: justify;
    font-size: 18px;
    padding: 0 13px;
  }

  .prize-note {
    font-size: 18px;
  }

  .route-title {
    font-size: 40px;
  }

  .rule-title {
    font-size: 36px;
    margin-bottom: 24px;
    line-height: 50px;
  }

  .rule-sub-title {
    font-size: 20px;
  }

  .btn-share {
    width: 100%;
    text-align: center;
  }

  .sf-btn-group .btn-share {
    width: fit-content;
    font-size: 12px;
    padding: 6px 16px;
    line-height: 24px;
  }

  .host {
    background-position: left center;
  }

  .qa-title {
    font-size: 36px;
    margin-bottom: 48px;
  }

  .qa-content-title {
    font-size: 18px;
  }

  .video-wrapper {
    padding-top: 0;
    padding-left: 0;
    padding-right: 0;
    width: 100%;
    height: unset;
    aspect-ratio: 4/3;
  }

  .swiper-ctn {
    height: fit-content;
  }

  .main-route-ctn {
    padding-top: 350px;
    height: 640px;
  }

  .intro {
    background-size: 300px auto;
    background-position: top 100px right;
  }

  .intro .container,
  .prize .container,
  .route .container,
  .rule .container,
  .qa .container {
    padding-top: 48px;
    padding-bottom: 48px;
  }

  .host-logos {
    gap: 16px;
    margin-top: 15px;
    display: flex;
  }

  .host-logo {
    width: 100px;
    height: 70px;
  }

  .host-title-1 {
    font-size: 18px;
    line-height: 32px;
  }

  .dashed-divider {
    margin-bottom: 40px;
    margin-top: 40px;
  }

  .intro-text {
    font-size: 18px;
    padding: 0 4px;
  }
}

@media (max-width: 450px) {
  .hero .container {
    padding-top: 160px;
    padding-bottom: 256px;
  }

  .quizSwiper .swiper-slide {
    height: 550px;
  }

  .quiz-number {
    height: 15%;
  }
  .prize-title2 {
    font-size: 30px;
    line-height: 40px;
  }

  .prize-text {
    font-size: 18px;
    padding: 0 8px;
    font-weight: normal;
  }
  .accordion-body {
    padding: 8px;
  }
  #footer {
    padding-left: 8px;
    padding-right: 8px;
  }

  .hero .container .hero-content {
    padding-left: 8px;
    padding-right: 8px;
  }

  .host-logos {
    gap: 16px;
    margin-top: 10px;
  }

  .host-logo {
    width: 80px;
    height: 60px;
  }

  .host-title-1 {
    font-size: 16px;
    line-height: 28px;
  }

  .intro .col.col-lg-7.col-md-12.col-sm-12.col-12 {
    padding-left: 0px;
    padding-right: 0px;
  }
  .intro .intro-title {
    font-size: 32px;
  }
  .rule {
    padding-left: 4px;
    padding-right: 4px;
  }

  .route-title {
    font-size: 32px;
  }
}

@media (max-width: 400px) {

  .quizSwiper .swiper-slide {
    height: 490px;
  }

  .quiz-number {
    height: 17%;
    border-bottom-left-radius: 36px;
    border-bottom-right-radius: 36px;
  }

  .video-container iframe {
    border-top-left-radius: 36px;
    border-top-right-radius: 36px;
  }

  .video-container video {
    border-top-left-radius: 36px;
    border-top-right-radius: 36px;
  }
}

@media (max-width: 380px) {
  .hero-description {
    font-size: 14px;
  }
  .prize-title2 {
    font-size: 28px;
  }
}
/* Questions Modal Styles */
#questionsModal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1055;
}

#questionsModal.show {
  display: block;
}

#questionsModal .modal-content {
  border-radius: 20px;
  border: none;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

#questionsModal .modal-header {
  border-bottom: 1px solid #e9ecef;
  padding: 8px 24px;
  border-radius: 20px 20px 0 0;
}

#questionsModal .modal-title {
  font-family: "PhuduBold";
  font-size: 24px;
  margin: 0;
}

#questionsModal .btn-close {
  opacity: 0.8;
}

#questionsModal .modal-body {
  padding: 16px;
  max-height: 65vh;
  overflow-y: auto;
}

#questionsModal .modal-footer {
  border-top: 1px solid #e9ecef;
  padding: 20px 30px;
  background: #f8f9fa;
  border-radius: 0 0 20px 20px;
}

.question-topic {
  margin-bottom: 35px;
  background: white;
}

.topic-title {
  font-family: "PhuduBold";
  font-size: 20px;
  color: #333;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
}

.questions-list {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.question-item {
  display: flex;
  align-items: flex-start;
  gap: 15px;
  padding: 15px;
  background: white;
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.question-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.question-number {
  display: none;
}

.question-text {
  margin: 0;
  font-size: 16px;
  line-height: 1.6;
  color: #333;
  flex: 1;
}

.btn-secondary {
  background: #6c757d;
  border: none;
  padding: 12px 25px;
  border-radius: 25px;
  font-family: "PhuduBold";
  font-size: 16px;
  transition: all 0.3s ease;
}

.btn-secondary:hover {
  background: #5a6268;
  transform: translateY(-1px);
}

/* Responsive Design */
@media screen and (max-width: 768px) {
  #questionsModal .modal-dialog {
    margin: 10px;
    max-width: calc(100% - 20px);
  }

  #questionsModal .modal-header {
    padding: 20px 20px 15px;
  }

  #questionsModal .modal-title {
    font-size: 20px;
  }

  #questionsModal .modal-body {
    padding: 20px;
    max-height: 60vh;
  }

  #questionsModal .modal-footer {
    padding: 15px 20px;
  }

  .question-topic {
    margin-bottom: 25px;
  }

  .topic-title {
    font-size: 18px;
    margin-bottom: 15px;
  }

  .question-item {
    padding: 12px;
    gap: 12px;
  }

  .question-number {
    width: 25px;
    height: 25px;
    font-size: 12px;
  }

  .question-text {
    font-size: 14px;
  }

  .vodcast-submit-btn {
    padding: 10px 20px;
    font-size: 14px;
  }

  .btn-secondary {
    padding: 10px 20px;
    font-size: 14px;
  }
}

.zalo-chat-widget {
  bottom: 90px!important;
}

@media screen and (max-width: 576px) {
  #questionsModal .modal-dialog {
    margin: 5px;
    max-width: calc(100% - 10px);
  }

  #questionsModal .modal-header {
    padding: 15px 15px 10px;
  }

  #questionsModal .modal-title {
    font-size: 18px;
  }

  #questionsModal .modal-body {
    padding: 15px;
    max-height: 50vh;
  }

  #questionsModal .modal-footer {
    padding: 10px 15px;
    flex-direction: column;
    gap: 10px;
  }

  .question-topic {
    margin-bottom: 20px;
  }

  .topic-title {
    font-size: 16px;
    margin-bottom: 12px;
  }

  .question-item {
    padding: 10px;
    gap: 10px;
  }

  .question-number {
    width: 22px;
    height: 22px;
    font-size: 11px;
  }

  .question-text {
    font-size: 16px;
  }

  .vodcast-submit-btn,
  .btn-secondary {
    width: 100%;
    padding: 12px 20px;
    font-size: 14px;
  }

  .zalo-chat-widget {
    right: 16px !important;
  }
  .route-title-1 {
    font-size: 20px;
  }

  .prize-title2 {
    font-size: 28px;
  }
}

@media screen and (max-width: 340px) {
  .prize-title2 {
    font-size: 23px;
    line-height: normal;
  }
}

@media screen and (max-width: 1200px) and  (min-width: 992px) {
  .video-wrapper {
    height: 235px;
    padding: 0;
  }
}

main {
  overflow: hidden;
}



/* Quiz Results List */
.quiz-results-list {
  margin-top: 16px;
}

.quiz-list {
  width: 60%;
  margin: 0 auto;
  list-style: none;
  padding: 0;
  border-radius: 12px;
  overflow: hidden;
  /* box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1); */
  /* background: linear-gradient(135deg, rgba(30, 30, 40, 0.9) 0%, rgba(20, 20, 30, 0.95) 100%); */
  /* color: #fff; */
  background: #fff;
}

.quiz-list-header,
.quiz-list-item {
  display: flex;
  align-items: center;
  padding: 15px 20px;
  transition: background-color 0.3s ease;
}

.quiz-list-header {
  background: rgba(255, 255, 255, 0.1);
  font-weight: bold;
  font-family: 'Montserrat', sans-serif;
  text-transform: uppercase;
  font-size: 0.9rem;
  letter-spacing: 1px;
}

.quiz-list-item {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.quiz-list-item:hover {
  background: rgba(255, 255, 255, 0.05);
}

.quiz-col-1 { width: 10%; text-align: center; }
.quiz-col-2 { width: 40%; }
.quiz-col-3 { width: 30%; text-align: center; }
.quiz-col-4 { width: 20%; text-align: center; display: flex; align-items: center; justify-content: center; gap: 5px; }

.quiz-user-info {
  flex-direction: column;
}

.quiz-name {

  font-weight: bold;
}

.quiz-phone {
  font-size: 0.9rem;
  color: #ccc;
  margin-top: 4px;
    display: none;
}

.quiz-list .quiz-list-item {
  border-bottom: 1px solid #eee;
}

.quiz-list .quiz-list-item:nth-child(2) .quiz-col-1,
.quiz-list .quiz-list-item:nth-child(3) .quiz-col-1,
.quiz-list .quiz-list-item:nth-child(1) .quiz-col-1 {
  background-color: #a62120;
  color: #fff;
  width: 35px;
  height: 35px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 8px;
}

.quiz-list .quiz-list-item .quiz-col-1 {
  color: #888;
  width: 35px;
  height: 35px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 8px;
  font-weight: 500;
}

@media (max-width: 768px) {
  .quiz-list {
    width: 100%;
    margin: 0 auto;
  }
  .quiz-list-header {
    display: none;
  }

  .quiz-list-item {
    flex-wrap: wrap;
    padding: 15px;
    position: relative;
  }

  .quiz-col-1 {
    width: 15%;
    font-size: 1.2rem;
    font-weight: bold;
    color: #FFD700;
  }

  .quiz-col-2 {
    width: 55%;
  }

  .quiz-col-3 {
    display: none;
  }
  
  .quiz-phone-desktop {
    display: none;
  }

  .quiz-col-4 {
    width: 30%;
    justify-content: flex-end;
    font-size: 1.1rem;
  }

  .quiz-user-info {
    display: flex;
  }
  .quiz-user-info .quiz-phone {
    display: block;
  }
}