@import url("https://fonts.googleapis.com/css2?family=Roboto:ital,wght@0,100..900;1,100..900&display=swap");
:root {
  --orange-primary: #f90;
  --orange-secondary: #f36001;
  --white: #fff;
  --red-bright: #ff0808;
  --red-dark: #78210d;
  --cream-light: #ffe8d1;
  --black: #000000;
  --green-success: #027900;
  --blue-accent: #025e7c;
}
::selection {
  background-color: var(--red-dark);
  color: var(--white);
}
::-moz-selection {
  background-color: var(--red-dark);
  color: var(--white);
}
* {
  -webkit-user-select: text;
  -moz-user-select: text;
  -ms-user-select: text;
  user-select: text;
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
*::selection {
  background-color: var(--red-dark);
  color: var(--white);
}
*::-moz-selection {
  background-color: var(--red-dark);
  color: var(--white);
}
html::-webkit-scrollbar {
  display: none;
}
html {
  font-family: "Roboto", sans-serif;
  position: relative;
}
.background {
  width: 100vw;
  height: 100vh;
  position: fixed;
  top: 0;
  left: 0;
  z-index: -999999;
  background: radial-gradient(
      circle,
      rgba(0, 0, 0, 0) 0%,
      rgba(0, 0, 0, 0.6) 80%
    ),
    url("../images/background.jpg") no-repeat;
  background-position: center;
  background-size: cover;
  background-blend-mode: darken;
}
.container {
  width: calc(992px - 40px);
  background: var(--orange-primary);
  margin: 12px auto;
  border-radius: 10px;
  overflow: hidden;
  padding: 10px 5px;
}
.content__header {
  width: 100%;
  height: max-content;
  background: var(--cream-light);
  border-radius: 8px 8px 0 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.logo__header {
  width: 400px;
  max-width: 100%;
  margin-top: 40px;
}
.logo__header--img {
  width: 100%;
}
.nav__header {
  width: 100%;
  margin-top: 40px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 5px;
  padding: 5px;
}
.nav__header--link {
  display: flex;
  justify-content: center;
  align-items: center;
  width: calc(100% / 3 - 10px / 3);
  height: 35px;
  background: var(--orange-secondary);
  color: var(--white);
  border: 2px solid var(--black);
  text-decoration: none;
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
}
.nav__header--link:hover {
  background: var(--red-dark);
  transition: 0.5s;
}
.nav__header--link.active {
  background: var(--red-dark);
}
.download__header {
  margin: 20px auto;
}
.download__header--content {
  align-items: center;
  justify-content: center;
  display: flex;
  gap: 10px;
}
.donwload__header--link {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  width: 75px;
  height: auto;
  text-decoration: none;
  color: var(--green-success);
  font-weight: 600;
}
.donwload__header--link span {
  font-size: 8px;
}
.donwload__header--link:hover {
  transform: scale(0.95) translateY(1px);
  transition: 0.5s;
}
.donwload__header--link img {
  width: 100%;
}
main {
  background: var(--cream-light);
  width: 100%;
  min-height: 500px;
  border-radius: 0 0 8px 8px;
  padding: 10px 10px 20px 10px;
}
footer {
  text-align: center;
  color: var(--black);
}
.footer__bottom {
  padding-top: 10px;
  font-size: 10px;
  font-weight: 500;
  line-height: 1.5;
}
@media only screen and (max-width: 992px) {
  .container {
    width: calc(100% - 40px);
  }
}
@media only screen and (max-width: 600px) {
  .container {
    width: calc(100% - 20px);
  }
  .logo__header {
    width: 80%;
  }
  .nav__header--link {
    font-size: 8px;
  }
  .download__header--content {
    gap: 5px;
  }
}
@media only screen and (max-width: 400px) {
  .nav__header--link {
    border: 1.5px solid var(--black);
  }
}

/* Fixed Social Widget */
.social-widget-fixed {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 1000;
  font-family: "Roboto", sans-serif;
}

.social-widget-toggle {
  width: 60px;
  height: 60px;
  background: var(--orange-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  border: 3px solid var(--white);
  transition: all 0.3s ease;
  position: relative;
}

.social-widget-toggle:hover {
  transform: scale(1.1);
  background: var(--orange-secondary);
}

.social-widget-icon {
  font-size: 24px;
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%,
  20%,
  50%,
  80%,
  100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-5px);
  }
  60% {
    transform: translateY(-3px);
  }
}

.social-widget-content {
  position: absolute;
  bottom: 70px;
  right: 0;
  background: var(--white);
  border-radius: 12px;
  padding: 15px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
  border: 2px solid var(--orange-primary);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.3s ease;
  min-width: 150px;
}

.social-widget-fixed:hover .social-widget-content {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.social-widget-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  text-decoration: none;
  border-radius: 8px;
  transition: all 0.3s ease;
  margin-bottom: 8px;
  font-weight: 600;
  font-size: 14px;
}

.social-widget-link:last-child {
  margin-bottom: 0;
}

.social-widget-link.facebook {
  background: #f0f8ff;
  color: #1877f2;
  border: 1px solid #e3f2fd;
}

.social-widget-link.facebook:hover {
  background: #1877f2;
  color: var(--white);
  transform: translateX(-3px);
}

.social-widget-link.zalo {
  background: #e8f4fd;
  color: #0068ff;
  border: 1px solid #d1e7dd;
}

.social-widget-link.zalo:hover {
  background: #0068ff;
  color: var(--white);
  transform: translateX(-3px);
}

.social-icon {
  font-size: 18px;
  flex-shrink: 0;
}

.social-text {
  font-size: 13px;
  font-weight: 600;
}

/* Mobile responsive for social widget */
@media only screen and (max-width: 600px) {
  .social-widget-fixed {
    bottom: 15px;
    right: 15px;
  }

  .social-widget-toggle {
    width: 50px;
    height: 50px;
  }

  .social-widget-icon {
    font-size: 20px;
  }

  .social-widget-content {
    bottom: 60px;
    min-width: 130px;
    padding: 12px;
  }

  .social-widget-link {
    padding: 8px 10px;
    font-size: 12px;
  }

  .social-text {
    font-size: 11px;
  }

  .social-icon {
    font-size: 16px;
  }
}