/* Reset CSS cơ bản */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #f9f9f9;
}

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

.header-content,
.privacy-policy-content,
.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ========== Header  ========== */
.header-container {
  background-color: #fff;
  border-bottom: 1px solid #eee;
  padding: 15px 0;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-content {
  display: flex;
  align-items: center;

  gap: 40px;

  flex-wrap: wrap;
}

.logo-link {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: #333;
}

.logo-link img {
  height: 40px;
  width: auto;
  margin-right: 10px;
}

.logo-link span {
  font-size: 1.7em;
  font-weight: bold;
  color: #333;
}

/* Menu ngang (đã sửa) */
.main-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin: 0;
  padding: 0;
}

.main-nav ul li {
  margin: 0; /* bỏ margin cũ */
}

.main-nav ul li a {
  color: #555;
  font-weight: 500;
  padding: 5px 10px;
  transition: color 0.3s ease, background 0.3s ease;
  display: block;
  border-radius: 5px;
}

.main-nav ul li a:hover {
  color: #fff;
  background-color: #e50000;
}

/* ========== Main Content (Privacy Policy) ========== */
.privacy-policy-container {
  padding: 40px 0;
}

.policy-title {
  font-size: 2.2em;
  color: #333;
  margin-bottom: 30px;
  text-align: center;
}

.policy-subtitle {
  font-size: 1.5em;
  color: #333;
  margin-top: 30px;
  margin-bottom: 15px;
  border-bottom: 1px solid #eee;
  padding-bottom: 5px;
}

.privacy-policy-content p,
.privacy-policy-content ul li {
  margin-bottom: 15px;
  color: #444;
  font-size: 1em;
}

.privacy-policy-content ul {
  margin-left: 25px;
  list-style: disc;
  margin-bottom: 20px;
}

.privacy-policy-content a {
  color: #e50000;
  text-decoration: underline;
}

/* ========== Scroll to Top Button ========== */
.scroll-to-top {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background-color: #e50000;
  color: #fff;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 1.5em;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
  transition: all 0.3s ease;
  opacity: 0.8;
}

.scroll-to-top:hover {
  background-color: #c00;
  opacity: 1;
}

/* ========== Footer ========== */
.footer-container {
  background-color: #333;
  color: #ccc;
  padding: 40px 0;
  font-size: 0.9em;
}

.footer-content {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 30px;
}

.footer-col {
  flex: 1;
  min-width: 250px;
}

.footer-logo-col .footer-logo {
  height: 50px;
  width: auto;
}
.footer-col.footer-app-links {
  flex: 0 0 300px;
  min-width: unset;
}

.footer-col p {
  display: flex;
  align-items: center;
  margin-bottom: 10px;
}

.footer-col p i {
  margin-right: 10px;
  color: #e50000;
  width: 15px;
}

.footer-app-links h3 {
  color: #fff;
  margin-bottom: 20px;
  font-size: 1.1em;
}

.footer-app-links .app-store-badge {
  display: block;
  margin-bottom: 15px;
}

.footer-app-links .app-store-badge img {
  height: 45px;
  width: auto;
  transition: opacity 0.3s ease;
}

.footer-app-links .app-store-badge img:hover {
  opacity: 0.8;
}
.footer-mini-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #cccccc;
  margin: 0px 0px 15px;
}

/* ========== Responsive ========== */
@media (max-width: 992px) {
  .header-content {
    flex-direction: column;
    align-items: flex-start;
    gap: 15px;
  }
  .main-nav {
    width: 100%;
  }
  .main-nav ul {
    justify-content: flex-start;
  }
}

@media (max-width: 768px) {
  .main-nav ul {
    flex-direction: column;
    align-items: flex-start;
  }
  .main-nav ul li {
    margin: 5px 0;
    width: 100%;
  }
  .main-nav ul li a {
    padding: 10px;
  }
  .footer-content {
    flex-direction: column;
  }
  .footer-col {
    min-width: unset;
  }
}