/* =========================================================
 * Tân Thời Đại - Header / Footer
 * Native Bricks structure. Component rules only.
 * ======================================================= */

/* Header */
.ttd-header {
  position: relative;
  z-index: 50;
  width: 100%;
  padding: 0;
  background: var(--ttd-white);
  border-top: 1px solid rgba(22, 82, 72, 0.18);
  box-shadow: none;
}

.ttd-header__inner {
  display: grid !important;
  grid-template-columns: 220px minmax(0, 1fr) 200px;
  align-items: center;
  column-gap: 34px;
  width: min(100% - (var(--ttd-gutter) * 2), var(--ttd-shell)) !important;
  max-width: var(--ttd-shell) !important;
  min-height: 130px;
  margin-inline: auto !important;
  padding: 0 !important;
}

/* Bricks Logo element now uses an actual image asset. */
.ttd-logo {
  display: inline-flex !important;
  align-items: center;
  width: fit-content;
  padding: 0 !important;
  line-height: 0;
  text-decoration: none;
}

.ttd-logo::before,
.ttd-logo::after {
  display: none !important;
  content: none !important;
}

.ttd-logo .bricks-site-logo,
.ttd-logo img {
  display: block;
  width: 220px;
  max-width: 100%;
  height: auto;
}

.ttd-header__nav {
  justify-self: center;
  width: auto !important;
  min-width: 0;
}

.ttd-header__nav .bricks-nav-menu {
  display: flex;
  align-items: center;
  gap: clamp(20px, 1.55vw, 30px);
  white-space: nowrap;
}

/* Reset Bricks' default 30px left margin: gap owns spacing here. */
.ttd-header__nav .bricks-nav-menu > li {
  margin: 0 !important;
}

.ttd-header__nav .bricks-nav-menu > li > a,
.ttd-header__nav .bricks-nav-menu > li > .brx-submenu-toggle > a {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 14px 0;
  color: var(--ttd-accent);
  font-family: var(--ttd-font-primary);
  font-size: 18px;
  font-weight: 600;
  line-height: 1.2;
  text-transform: uppercase;
  text-decoration: none;
  white-space: nowrap;
 
}
.ttd-home-slide__title{
    line-height: 1.09 !important;
}

.ttd-header__nav .bricks-nav-menu > li > a::after,
.ttd-header__nav .bricks-nav-menu > li > .brx-submenu-toggle > a::after {
  position: absolute;
  right: -8px;
  bottom: 17.4px;
  width: 3px;
  height: 3px;
  content: "";
  background: var(--ttd-primary);
  opacity: 0;
  transform: translateX(-4px);
  transition:
    opacity 0.2s ease,
    transform 0.2s ease;
  border-radius: 99px;
}

.ttd-header__nav .bricks-nav-menu > li:hover > a,
.ttd-header__nav .bricks-nav-menu > li:hover > .brx-submenu-toggle > a,
.ttd-header__nav .bricks-nav-menu > .current-menu-item > a,
.ttd-header__nav .bricks-nav-menu > .current-menu-parent > a,
.ttd-header__nav .bricks-nav-menu > .current-menu-ancestor > a {
  color: var(--ttd-primary);
}

.ttd-header__nav .bricks-nav-menu > li:hover > a::after,
.ttd-header__nav .bricks-nav-menu > li:hover > .brx-submenu-toggle > a::after,
.ttd-header__nav .bricks-nav-menu > .current-menu-item > a::after,
.ttd-header__nav .bricks-nav-menu > .current-menu-parent > a::after,
.ttd-header__nav .bricks-nav-menu > .current-menu-ancestor > a::after {
  opacity: 1;
  transform: translateX(0);
}

@media (min-width: 992px) {
  .ttd-header__nav .bricks-nav-menu > .menu-item-has-children {
    position: relative;
  }

  .ttd-header__nav .bricks-nav-menu .sub-menu {
    top: 100%;
    left: 0;
    width: 300px;
    min-width: 300px;
    margin: 0;
    padding: 8px;
    background: var(--ttd-white);
    border: 1px solid var(--ttd-border);
    border-top: 3px solid var(--ttd-primary);
    box-shadow: 0 18px 44px rgba(22, 59, 64, 0.14);
  }

  .ttd-header__nav .bricks-nav-menu .sub-menu > li {
    position: relative;
    min-height: 0 !important;
    height: auto !important;
    margin: 0 !important;
    padding: 0 !important;
    line-height: normal !important;
  }

  .ttd-header__nav .bricks-nav-menu .sub-menu > li + li {
    border-top: 1px solid var(--ttd-border);
  }

  .ttd-header__nav .bricks-nav-menu .sub-menu a,
  .ttd-header__nav .bricks-nav-menu .sub-menu .brx-submenu-toggle > a {
    display: flex;
    align-items: center;
    width: 100%;
    min-height: 46px !important;
    height: auto !important;
    margin: 0 !important;
    padding: 11px 14px !important;
    color: var(--ttd-accent);
    font-family: var(--ttd-font-primary);
    font-size: 13px;
    font-weight: 500;
    line-height: 1.4 !important;
    text-decoration: none;
    white-space: normal;
    transition:
      background-color 0.2s ease,
      color 0.2s ease,
      padding-left 0.2s ease;
  }

  .ttd-header__nav .bricks-nav-menu .sub-menu a:hover,
  .ttd-header__nav .bricks-nav-menu .sub-menu li:hover > a,
  .ttd-header__nav .bricks-nav-menu .sub-menu li:hover > .brx-submenu-toggle > a {
    padding-left: 18px !important;
    background: var(--ttd-surface-soft);
    color: var(--ttd-primary);
  }

  .ttd-header__nav .bricks-nav-menu .sub-menu .brx-submenu-toggle {
    display: flex;
    align-items: center;
    width: 100%;
  }

  .ttd-header__nav .bricks-nav-menu .sub-menu .brx-submenu-toggle button {
    display: inline-flex;
    flex: 0 0 34px;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 46px;
    margin: 0;
    padding: 0;
    color: var(--ttd-text);
  }

  .ttd-header__nav .bricks-nav-menu .sub-menu .brx-submenu-toggle button svg {
    width: 10px;
    height: 10px;
    transform: rotate(-90deg);
  }

  .ttd-header__nav .bricks-nav-menu .sub-menu .sub-menu {
    top: -11px;
    left: 100%;
    margin-left: 0;
  }
}

.ttd-header__cta.bricks-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  justify-self: end;
  width: 200px;
  min-width: 200px;
  min-height: 54px;
  padding: 0 28px;
  gap: 14px;
  background: var(--ttd-primary) !important;
  border: 1px solid var(--ttd-primary);
  border-radius: 0;
  color: var(--ttd-white) !important;
  font-family: var(--ttd-font-primary);
  font-size: 13px;
  font-weight: 600;
  line-height: 1;
  text-transform: uppercase;
  text-decoration: none;
  box-shadow: none;
}

.ttd-header__cta.bricks-button:hover {
  background: var(--ttd-primary-hover) !important;
  border-color: var(--ttd-primary-hover);
  color: var(--ttd-white) !important;
}

.ttd-header__cta svg,
.ttd-header__cta i {
  flex: 0 0 auto;
  font-size: 12px;
}

/* Native Bricks mobile navigation */
.ttd-header__nav .bricks-mobile-menu-toggle {
  width: 28px;
  height: 22px;
  color: var(--ttd-accent);
}

.ttd-header__nav .bricks-mobile-menu-toggle span {
  height: 2px;
  background-color: currentColor;
}

.ttd-header__nav .bricks-mobile-menu-wrapper {
  width: min(86vw, 380px);
  padding: 96px 28px 36px;
  background: var(--ttd-white);
  box-shadow: -15px 0 45px rgba(0, 0, 0, 0.12);
}

.ttd-header__nav .bricks-mobile-menu-wrapper::before {
  background: var(--ttd-white) !important;
}

.ttd-header__nav .bricks-mobile-menu > li > a,
.ttd-header__nav .bricks-mobile-menu > li > .brx-submenu-toggle > a {
  padding: 14px 0;
  color: var(--ttd-accent);
  font-family: var(--ttd-font-primary);
  font-size: 15px;
  font-weight: 600;
  text-transform: uppercase;
}

.ttd-header__nav .bricks-mobile-menu .current-menu-item > a {
  color: var(--ttd-primary);
}

.ttd-header__nav .bricks-mobile-menu-overlay {
  background: rgba(0, 0, 0, 0.32);
}

/* Footer */
.ttd-footer {
  width: 100%;
  padding: 72px 0 30px;
  background: var(--ttd-secondary);
  color: rgba(255, 255, 255, 0.74);
}

.ttd-footer__inner {
  display: flex !important;
  flex-direction: column;
  width: min(100% - (var(--ttd-gutter) * 2), var(--ttd-shell)) !important;
  max-width: var(--ttd-shell) !important;
  margin-inline: auto !important;
  padding: 0 !important;
}

.ttd-footer__top {
  display: grid !important;
  grid-template-columns: 1.05fr 1.5fr 0.95fr;
  align-items: stretch;
  width: 100%;
  min-height: 175px;
}

.ttd-footer__col {
  min-width: 0;
}

.ttd-footer__brand {
  padding-right: 70px;
}

.ttd-footer__links {
  padding: 5px 70px;
  border-right: 1px solid rgba(255, 255, 255, 0.13);
  border-left: 1px solid rgba(255, 255, 255, 0.13);
}

.ttd-footer__follow {
  padding: 5px 0 5px 65px;
}

.ttd-footer .ttd-logo {
  margin-bottom: 32px;
}

.ttd-footer .ttd-logo .bricks-site-logo,
.ttd-footer .ttd-logo img {
  width: 220px;
}

.ttd-footer__description {
  max-width: 340px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 15px;
  font-weight: 400;
  line-height: 1.92;
}

.ttd-footer__title {
  margin: 0 0 28px;
  color: var(--ttd-white);
  font-family: var(--ttd-font-primary);
  font-size: 18px;
  font-weight: 600;
  line-height: 1.35;
}

.ttd-footer__menu {
  width: 100% !important;
}

.ttd-footer__menu .bricks-nav-menu-wrapper {
  display: block !important;
}

.ttd-footer__menu .bricks-nav-menu {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 36px;
  width: 100%;
}

.ttd-footer__menu .bricks-nav-menu > li {
  min-width: 0;
  margin: 0 !important;
}

.ttd-footer__menu .bricks-nav-menu > li > a,
.ttd-footer__menu .bricks-nav-menu > li > .brx-submenu-toggle > a {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 0 0 0 22px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 14px;
  font-weight: 400;
  line-height: 1.35;
  text-decoration: none;
}

.ttd-footer__menu .bricks-nav-menu > li > a::before,
.ttd-footer__menu .bricks-nav-menu > li > .brx-submenu-toggle > a::before {
  position: absolute;
  left: 0;
  top: 50%;
  width: 12px;
  height: 2px;
  content: "";
  background: var(--ttd-primary);
  transform: translateY(-50%);
}

.ttd-footer__menu .bricks-nav-menu > li > a:hover,
.ttd-footer__menu .bricks-nav-menu > .current-menu-item > a {
  color: var(--ttd-white);
}

.ttd-footer__menu .sub-menu {
  display: none !important;
}

/* Lock social buttons to true circles; Bricks defaults must not affect geometry. */
.ttd-footer__social {
  display: flex !important;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px !important;
  width: auto !important;
  padding: 0 !important;
  margin: 0 !important;
}

.ttd-footer__social > li {
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  box-sizing: border-box !important;
  flex: 0 0 48px !important;
  width: 48px !important;
  min-width: 48px !important;
  max-width: 48px !important;
  height: 48px !important;
  min-height: 48px !important;
  max-height: 48px !important;
  aspect-ratio: 1 / 1;
  padding: 0 !important;
  margin: 0 !important;
  overflow: hidden;
  background: rgba(0, 0, 0, 0.12) !important;
  border: 0 !important;
  border-radius: 999px !important;
  transition:
    background-color 0.25s ease,
    transform 0.25s ease;
}

.ttd-footer__social > li:hover {
  background: var(--ttd-primary) !important;
  transform: translateY(-2px);
}

.ttd-footer__social > li > a,
.ttd-footer__social > li.no-link {
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  box-sizing: border-box !important;
  width: 48px !important;
  height: 48px !important;
  min-width: 48px !important;
  min-height: 48px !important;
  padding: 0 !important;
  margin: 0 !important;
  color: var(--ttd-white) !important;
  line-height: 1 !important;
}

.ttd-footer__social .icon,
.ttd-footer__social i,
.ttd-footer__social svg {
  display: block !important;
  flex: 0 0 auto !important;
  width: 15px !important;
  max-width: 15px !important;
  height: 15px !important;
  max-height: 15px !important;
  padding: 0 !important;
  margin: 0 !important;
  font-size: 15px !important;
  line-height: 15px !important;
}

.ttd-footer__social span {
  display: none !important;
}

.ttd-footer__bottom {
  display: flex !important;
  align-items: center;
  justify-content: center;
  width: 100%;
  margin-top: 72px;
  padding-top: 46px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.ttd-footer__copyright {
  color: rgba(255, 255, 255, 0.72);
  font-size: 13px;
  line-height: 1.5;
  text-align: center;
}

.ttd-footer__copyright strong {
  color: var(--ttd-white);
  font-weight: 600;
}

@media (max-width: 1100px) {
  .ttd-header__inner {
    grid-template-columns: 205px minmax(0, 1fr) 170px;
    column-gap: 24px;
  }

  .ttd-logo .bricks-site-logo,
  .ttd-logo img {
    width: 205px;
  }

  .ttd-header__nav .bricks-nav-menu {
    gap: 18px;
  }

  .ttd-header__nav .bricks-nav-menu > li > a,
  .ttd-header__nav .bricks-nav-menu > li > .brx-submenu-toggle > a {
    font-size: 12px;
  }

  .ttd-header__cta.bricks-button {
    width: 170px;
    min-width: 170px;
    padding-inline: 20px;
  }

  .ttd-footer__brand {
    padding-right: 42px;
  }

  .ttd-footer__links {
    padding-inline: 42px;
  }

  .ttd-footer__follow {
    padding-left: 42px;
  }
}

@media (max-width: 991px) {
  .ttd-header__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    min-height: 88px;
    column-gap: 20px;
  }

  .ttd-header__nav {
    grid-column: 2;
    justify-self: end;
  }

  .ttd-header__cta {
    display: none !important;
  }

  .ttd-footer {
    padding-top: 58px;
  }

  .ttd-footer__top {
    grid-template-columns: 1fr 1fr;
    gap: 48px 0;
  }

  .ttd-footer__brand {
    padding-right: 46px;
  }

  .ttd-footer__links {
    padding: 5px 0 5px 46px;
    border-right: 0;
  }

  .ttd-footer__follow {
    grid-column: 1 / -1;
    padding: 38px 0 0;
    border-top: 1px solid rgba(255, 255, 255, 0.13);
  }

  .ttd-footer__bottom {
    margin-top: 52px;
    padding-top: 34px;
  }
}

@media (max-width: 767px) {
  .ttd-logo .bricks-site-logo,
  .ttd-logo img {
    width: 185px;
  }

  .ttd-footer .ttd-logo .bricks-site-logo,
  .ttd-footer .ttd-logo img {
    width: 205px;
  }

  .ttd-footer__top {
    display: flex !important;
    flex-direction: column;
    gap: 0;
  }

  .ttd-footer__brand,
  .ttd-footer__links,
  .ttd-footer__follow {
    padding: 0;
    border: 0;
  }

  .ttd-footer__links,
  .ttd-footer__follow {
    margin-top: 38px;
    padding-top: 34px;
    border-top: 1px solid rgba(255, 255, 255, 0.13);
  }

  .ttd-footer__menu .bricks-nav-menu {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .ttd-footer__bottom {
    margin-top: 42px;
    padding-top: 28px;
  }
}

/* Global back-to-top control. */
.ttd-back-to-top {
  position: fixed; right: clamp(18px, 2vw, 32px); bottom: clamp(18px, 2vw, 32px); z-index: 9997;
  display: flex; align-items: center; justify-content: center; width: 60px; height: 60px;
  margin: 0; padding: 0; border: 0; border-radius: 50%;
  background: var(--ttd-primary); color: var(--ttd-white); box-shadow: 0 12px 30px rgba(21, 47, 48, .16);
  opacity: 0; visibility: hidden; pointer-events: none;
  transform: translateY(12px); transition: opacity .25s ease, visibility .25s ease, transform .25s ease, background-color .25s ease;
  cursor: pointer;
}
.ttd-back-to-top.is-visible { opacity: 1; visibility: visible; pointer-events: auto; transform: translateY(0); }
.ttd-back-to-top:hover { background: var(--ttd-primary-hover); transform: translateY(-3px); }
.ttd-back-to-top:focus-visible { outline: 2px solid var(--ttd-white); outline-offset: 3px; }
.ttd-back-to-top i { display: block; margin: 0; color: inherit; font-size: 15px; line-height: 1; }
@media (max-width: 767px) { .ttd-back-to-top { right: 18px; bottom: 18px; width: 54px; height: 54px; } }