/* ==========================================================================
   Hanoi College Theme - Layout Styles (Exact Hex #203B72 & #F36F21)
   ========================================================================== */

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}

/* Topbar (Header phụ: Nền xanh #203B72) */
.site-topbar {
  background-color: #203B72;
  color: #ffffff;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  position: relative;
  z-index: 1001;
}

.site-topbar .container {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  max-width: var(--max-width);
}

.topbar-links-wrapper {
  display: flex;
  gap: 28px;
  align-items: center;
}

.topbar-link {
  font-family: var(--font-body);
  color: #ffffff;
  font-size: 13.5px;
  font-weight: 400;
  letter-spacing: 0.01em;
  transition: var(--transition);
  opacity: 0.95;
  white-space: nowrap;
}

.topbar-link:hover {
  color: #F36F21;
  opacity: 1;
}

.topbar-menu-list {
  display: flex;
  gap: 28px;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
}

.topbar-menu-list li {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}

.topbar-menu-list li a {
  font-family: var(--font-body);
  color: #ffffff;
  font-size: 13.5px;
  font-weight: 400;
  letter-spacing: 0.01em;
  transition: var(--transition);
  opacity: 0.95;
  text-decoration: none;
  white-space: nowrap;
}

.topbar-menu-list li a:hover {
  color: #F36F21;
  opacity: 1;
}

/* Header chính */
.site-header {
  background-color: #ffffff;
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: box-shadow 0.25s ease, top 0.2s ease;
  border-bottom: 1px solid #edf2f7;
  height: 71px;
}

.site-header.is-sticky {
  box-shadow: 0 4px 18px rgba(32, 59, 114, 0.12);
}

/* WordPress Admin Bar Compatibility */
.admin-bar .site-header {
  top: 32px;
}

@media screen and (max-width: 782px) {
  .admin-bar .site-header {
    top: 46px;
  }
}

@media screen and (max-width: 600px) {
  .admin-bar .site-header {
    top: 0;
  }
}

.site-header .container {
  max-width: var(--max-width);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0;
  height: 71px;
  min-height: 71px;
}

/* Site Branding & Brand Name (Tỉ lệ chuẩn cho Header 71px) */
.site-branding {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.brand-logo-combo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-logo-img-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.custom-logo-img,
.site-branding .custom-logo {
  width: auto;
  height: 52px;
  max-height: 52px;
  object-fit: contain;
  display: block;
}

.brand-text-block {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* HANOI COLLEGE: SVN-Segoe UI Condensed Bold 700, Orange #F36F21 */
.brand-name-orange {
  font-family: 'SVN-Segoe UI Condensed', 'Segoe UI Condensed', 'Segoe UI', sans-serif !important;
  font-size: 24px;
  font-weight: 700;
  color: #F36F21 !important;
  letter-spacing: 0.005em;
  line-height: 1;
  display: block;
  text-transform: uppercase;
  white-space: nowrap;
}

.brand-logo-combo:hover .brand-name-orange,
.brand-logo-combo:focus .brand-name-orange {
  color: #F36F21 !important;
}

/* OF MANAGEMENT AND BUSINESS: SVN-Segoe UI Condensed Regular 400, Navy #1A365D */
.brand-name-navy {
  font-family: 'SVN-Segoe UI Condensed', 'Segoe UI Condensed', 'Segoe UI', sans-serif !important;
  font-size: 11.6px;
  color: #1A365D !important;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.008em;
  margin-top: 2px;
  line-height: 1;
  display: block;
  white-space: nowrap;
}

.brand-logo-combo:hover .brand-name-navy,
.brand-logo-combo:focus .brand-name-navy {
  color: #1A365D !important;
}

/* Main Navigation Menu (Exact Color #F36F21) */
.main-navigation {
  display: flex;
  align-items: center;
  height: 100%;
}

.main-navigation>ul,
.main-navigation .primary-menu-nav,
.main-navigation ul.menu {
  display: flex;
  list-style: none;
  gap: 28px;
  align-items: center;
  margin: 0;
  padding: 0;
  height: 100%;
}

.main-navigation>ul>li,
.main-navigation .primary-menu-nav>li,
.main-navigation ul.menu>li {
  position: relative;
  display: flex;
  align-items: center;
  height: 100%;
}

.main-navigation>ul>li>a,
.main-navigation .primary-menu-nav>li>a,
.main-navigation ul.menu>li>a {
  display: flex;
  align-items: center;
  height: 100%;
  padding: 0;
  font-family: var(--font-heading);
  color: #F36F21;
  font-weight: 500;
  font-size: 15px;
  text-transform: uppercase;
  letter-spacing: 0.015em;
  position: relative;
  transition: var(--transition);
  white-space: nowrap;
}

.main-navigation>ul>li.menu-item-has-children>a,
.main-navigation .primary-menu-nav>li.menu-item-has-children>a,
.main-navigation ul.menu>li.menu-item-has-children>a {
  padding-right: 14px;
}

.main-navigation>ul>li.menu-item-has-children>a::before,
.main-navigation .primary-menu-nav>li.menu-item-has-children>a::before,
.main-navigation ul.menu>li.menu-item-has-children>a::before {
  content: '';
  position: absolute;
  right: 1px;
  top: 50%;
  width: 5px;
  height: 5px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: translateY(-65%) rotate(45deg);
  transition: transform 0.22s ease;
  pointer-events: none;
}

.main-navigation>ul>li.menu-item-has-children:hover>a::before,
.main-navigation .primary-menu-nav>li.menu-item-has-children:hover>a::before,
.main-navigation ul.menu>li.menu-item-has-children:hover>a::before {
  transform: translateY(-25%) rotate(225deg);
}

.main-navigation>ul>li>a:hover,
.main-navigation>ul>li.current-menu-item>a,
.main-navigation .primary-menu-nav>li>a:hover,
.main-navigation .primary-menu-nav>li.current-menu-item>a,
.main-navigation ul.menu>li>a:hover,
.main-navigation ul.menu>li.current-menu-item>a {
  color: #d8570c;
}

.main-navigation>ul>li>a::after,
.main-navigation .primary-menu-nav>li>a::after,
.main-navigation ul.menu>li>a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: #F36F21;
  transition: width 0.22s ease;
}

.main-navigation>ul>li>a:hover::after,
.main-navigation>ul>li.current-menu-item>a::after,
.main-navigation .primary-menu-nav>li>a:hover::after,
.main-navigation .primary-menu-nav>li.current-menu-item>a::after,
.main-navigation ul.menu>li>a:hover::after,
.main-navigation ul.menu>li.current-menu-item>a::after {
  width: 100%;
}

/* ==========================================================================
   DESKTOP DROPDOWN & FLYOUT MENUS (>= 961px)
   ========================================================================== */
@media (min-width: 961px) {
  .sub-menu-toggle {
    display: none !important;
  }

  /* Dropdown Menu Cấp 2 (Mở từ thanh Header xuống dưới) */
  .main-navigation>ul>li>ul.sub-menu,
  .main-navigation>ul>li>ul,
  .main-navigation .primary-menu-nav>li>ul.sub-menu,
  .main-navigation .primary-menu-nav>li>ul,
  .main-navigation ul.menu>li>ul.sub-menu,
  .main-navigation ul.menu>li>ul {
    position: absolute;
    top: calc(100% + 4px);
    left: 50%;
    transform: translateX(-50%) translateY(8px);
    background-color: #ffffff !important;
    box-shadow: 0 16px 36px rgba(15, 23, 42, 0.16), 0 2px 8px rgba(15, 23, 42, 0.06);
    border-radius: 8px;
    min-width: 250px;
    width: max-content;
    max-width: 320px;
    height: auto !important;
    min-height: auto !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: stretch !important;
    padding: 8px 0 !important;
    margin: 0 !important;
    border: 1px solid #e2e8f0;
    z-index: 1000;
    gap: 0 !important;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.22s ease, transform 0.22s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.22s;
    pointer-events: none;
    list-style: none !important;
  }

  /* Mũi tên tam giác neo đỉnh kết nối trực quan với mục menu cha */
  .main-navigation>ul>li>ul.sub-menu::after,
  .main-navigation>ul>li>ul::after,
  .main-navigation .primary-menu-nav>li>ul.sub-menu::after,
  .main-navigation .primary-menu-nav>li>ul::after,
  .main-navigation ul.menu>li>ul.sub-menu::after,
  .main-navigation ul.menu>li>ul::after {
    content: '';
    position: absolute;
    top: -6px;
    left: 50%;
    transform: translateX(-50%) rotate(45deg);
    width: 12px;
    height: 12px;
    background-color: #ffffff;
    border-left: 1px solid #e2e8f0;
    border-top: 1px solid #e2e8f0;
    z-index: 1;
    pointer-events: none;
  }

  /* Cầu nối vô hình giúp giữ chuột không bị rớt menu cấp 2 */
  .main-navigation>ul>li>ul::before,
  .main-navigation>ul>li>ul.sub-menu::before,
  .main-navigation .primary-menu-nav>li>ul::before,
  .main-navigation .primary-menu-nav>li>ul.sub-menu::before,
  .main-navigation ul.menu>li>ul::before,
  .main-navigation ul.menu>li>ul.sub-menu::before {
    content: '';
    position: absolute;
    top: -16px;
    left: 0;
    width: 100%;
    height: 16px;
  }

  .main-navigation>ul>li:hover>ul,
  .main-navigation>ul>li:focus-within>ul,
  .main-navigation .primary-menu-nav>li:hover>ul,
  .main-navigation .primary-menu-nav>li:focus-within>ul,
  .main-navigation ul.menu>li:hover>ul,
  .main-navigation ul.menu>li:focus-within>ul {
    opacity: 1 !important;
    visibility: visible !important;
    transform: translateX(-50%) translateY(0) !important;
    pointer-events: auto !important;
  }

  /* Riêng mục cuối cùng (SINH VIÊN) căn sát lề phải để chống tràn mép màn hình */
  .main-navigation>ul>li:last-child>ul,
  .main-navigation .primary-menu-nav>li:last-child>ul,
  .main-navigation ul.menu>li:last-child>ul {
    left: auto !important;
    right: 0 !important;
    transform: translateY(8px) !important;
  }

  .main-navigation>ul>li:last-child:hover>ul,
  .main-navigation .primary-menu-nav>li:last-child:hover>ul,
  .main-navigation ul.menu>li:last-child:hover>ul {
    transform: translateY(0) !important;
  }

  .main-navigation>ul>li:last-child>ul::after,
  .main-navigation .primary-menu-nav>li:last-child>ul::after,
  .main-navigation ul.menu>li:last-child>ul::after {
    left: auto !important;
    right: 32px !important;
    transform: rotate(45deg) !important;
  }

  /* Thẻ li bên trong Submenu cấp 2 */
  .main-navigation ul.sub-menu li {
    width: 100% !important;
    height: auto !important;
    min-height: auto !important;
    display: block !important;
    margin: 0 !important;
    padding: 0 !important;
    position: relative !important;
    /* Điểm neo cho submenu cấp 3 */
  }

  .main-navigation ul.sub-menu li a {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    width: calc(100% - 12px) !important;
    margin: 2px 6px !important;
    padding: 9px 16px !important;
    font-size: 13.5px !important;
    color: #334155 !important;
    font-weight: 500 !important;
    text-transform: none !important;
    letter-spacing: 0 !important;
    white-space: nowrap !important;
    transition: all 0.18s ease !important;
    height: auto !important;
    min-height: auto !important;
    line-height: 1.5 !important;
    background: transparent;
    border-radius: 6px !important;
    position: relative;
    z-index: 2;
  }

  .main-navigation ul.sub-menu li a:hover {
    background-color: #fff7ed !important;
    color: #F36F21 !important;
  }

  /* Mũi tên chỉ thị mục có menu con cấp 3: Căn chữ lề trái, mũi tên luôn là dấu > nằm sát lề phải */
  .main-navigation ul.sub-menu li.menu-item-has-children>a {
    display: flex !important;
    flex-direction: row !important;
    align-items: center !important;
    justify-content: space-between !important;
    text-align: left !important;
  }

  .main-navigation ul.sub-menu li.menu-item-has-children>a::after {
    content: '';
    display: inline-block !important;
    width: 5.5px;
    height: 5.5px;
    margin-left: auto !important;
    margin-right: 0 !important;
    border-right: 1.5px solid currentColor;
    border-bottom: 1.5px solid currentColor;
    transform: rotate(-45deg) !important;
    /* Luôn là mũi tên trỏ sang phải > */
    transition: transform 0.2s ease;
    flex-shrink: 0;
  }

  /* Flyout Submenu Cấp 3 (Mở ngang sang Phải hoặc Trái) */
  .main-navigation ul.sub-menu li>ul,
  .main-navigation ul.sub-menu li>ul.sub-menu {
    position: absolute;
    top: -8px !important;
    left: calc(100% + 4px) !important;
    right: auto !important;
    transform: translateX(-8px) !important;
    background-color: #ffffff !important;
    box-shadow: 0 16px 36px rgba(15, 23, 42, 0.16), 0 2px 8px rgba(15, 23, 42, 0.06);
    border-radius: 8px;
    min-width: 230px;
    width: max-content;
    max-width: 300px;
    height: auto !important;
    min-height: auto !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: stretch !important;
    padding: 8px 0 !important;
    margin: 0 !important;
    border: 1px solid #e2e8f0;
    z-index: 1010;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.2s;
    pointer-events: none;
    list-style: none !important;
  }

  /* Tắt mũi tên tam giác đỉnh cho menu cấp 3 */
  .main-navigation ul.sub-menu li>ul::after,
  .main-navigation ul.sub-menu li>ul.sub-menu::after {
    display: none !important;
  }

  /* Cầu nối chuột vô hình khi di chuyển ngang */
  .main-navigation ul.sub-menu li>ul::before,
  .main-navigation ul.sub-menu li>ul.sub-menu::before {
    content: '';
    position: absolute;
    top: 0;
    left: -14px;
    width: 14px;
    height: 100%;
    background: transparent;
  }

  /* Hiển thị khi hover vào mục cha cấp 2 */
  .main-navigation ul.sub-menu li:hover>ul,
  .main-navigation ul.sub-menu li:focus-within>ul {
    opacity: 1 !important;
    visibility: visible !important;
    transform: translateX(0) !important;
    pointer-events: auto !important;
  }

  /* RIÊNG MỤC GÓC PHẢI (SINH VIÊN, ĐBCL): Tự động mở sang bên TRÁI để chống tràn màn hình */
  .main-navigation>ul>li:last-child ul.sub-menu li>ul,
  .main-navigation>ul>li:last-child ul.sub-menu li>ul.sub-menu,
  .main-navigation>ul>li:nth-last-child(2) ul.sub-menu li>ul,
  .main-navigation>ul>li:nth-last-child(2) ul.sub-menu li>ul.sub-menu,
  .main-navigation .primary-menu-nav>li:last-child ul.sub-menu li>ul,
  .main-navigation .primary-menu-nav>li:last-child ul.sub-menu li>ul.sub-menu,
  .main-navigation .primary-menu-nav>li:nth-last-child(2) ul.sub-menu li>ul,
  .main-navigation .primary-menu-nav>li:nth-last-child(2) ul.sub-menu li>ul.sub-menu,
  .main-navigation ul.menu>li:last-child ul.sub-menu li>ul,
  .main-navigation ul.menu>li:last-child ul.sub-menu li>ul.sub-menu,
  .main-navigation ul.menu>li:nth-last-child(2) ul.sub-menu li>ul,
  .main-navigation ul.menu>li:nth-last-child(2) ul.sub-menu li>ul.sub-menu {
    left: auto !important;
    right: calc(100% + 4px) !important;
    transform: translateX(8px) !important;
  }

  .main-navigation>ul>li:last-child ul.sub-menu li:hover>ul,
  .main-navigation>ul>li:last-child ul.sub-menu li:focus-within>ul,
  .main-navigation>ul>li:nth-last-child(2) ul.sub-menu li:hover>ul,
  .main-navigation>ul>li:nth-last-child(2) ul.sub-menu li:focus-within>ul,
  .main-navigation .primary-menu-nav>li:last-child ul.sub-menu li:hover>ul,
  .main-navigation .primary-menu-nav>li:last-child ul.sub-menu li:focus-within>ul,
  .main-navigation .primary-menu-nav>li:nth-last-child(2) ul.sub-menu li:hover>ul,
  .main-navigation .primary-menu-nav>li:nth-last-child(2) ul.sub-menu li:focus-within>ul,
  .main-navigation ul.menu>li:last-child ul.sub-menu li:hover>ul,
  .main-navigation ul.menu>li:last-child ul.sub-menu li:focus-within>ul,
  .main-navigation ul.menu>li:nth-last-child(2) ul.sub-menu li:hover>ul,
  .main-navigation ul.menu>li:nth-last-child(2) ul.sub-menu li:focus-within>ul {
    transform: translateX(0) !important;
  }

  .main-navigation>ul>li:last-child ul.sub-menu li>ul::before,
  .main-navigation>ul>li:nth-last-child(2) ul.sub-menu li>ul::before,
  .main-navigation .primary-menu-nav>li:last-child ul.sub-menu li>ul::before,
  .main-navigation .primary-menu-nav>li:nth-last-child(2) ul.sub-menu li>ul::before,
  .main-navigation ul.menu>li:last-child ul.sub-menu li>ul::before,
  .main-navigation ul.menu>li:nth-last-child(2) ul.sub-menu li>ul::before {
    left: auto;
    right: -14px;
  }
}

/* Mobile Toggle */
.mobile-nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.6rem;
  cursor: pointer;
  color: #F36F21;
  padding: 6px;
}

/* ==========================================================================
   CHÂN TRANG (FOOTER)
   ========================================================================== */

.site-footer {
  background: #162952 center center / cover no-repeat;
  color: #ffffff;
  padding: 42px 0 36px;
  position: relative;
  overflow: hidden;
}

.footer-main-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 32px;
  width: 100%;
}

/* ── CỘT TRÁI: Tên trường, Liên hệ & 4 Cột Điều hướng ─────────────── */
.footer-left-col {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.footer-contact-col {
  max-width: 100%;
}

.footer-brand-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 14px;
}

.footer-brand-header .footer-brand-logo {
  margin-bottom: 0;
  flex-shrink: 0;
}

.footer-brand-header .footer-logo-img {
  width: auto;
  height: 52px;
  max-height: 52px;
  object-fit: contain;
  display: block;
}

.footer-school-name {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: #ffffff;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  margin: 0;
  line-height: 1.25;
  white-space: nowrap;
}

.footer-license-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 6px;
  padding: 5px 12px;
  margin-bottom: 14px;
  font-size: 0.85rem;
  color: #ffffff;
  line-height: 1.4;
  max-width: 100%;
}

.footer-license-icon {
  flex-shrink: 0;
  font-size: 1rem;
}

.footer-contact-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  color: #ffffff;
  line-height: 1.4;
}

.footer-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: #ffffff;
}

.footer-contact-text {
  color: #ffffff;
  white-space: nowrap;
}

.footer-contact-label {
  font-weight: 500;
  color: #ffffff;
}

.footer-contact-link {
  color: #ffffff;
  text-decoration: none;
  transition: opacity 0.2s ease, text-decoration 0.2s ease;
}

.footer-contact-link:hover {
  text-decoration: underline;
  opacity: 0.9;
}

/* 4 Cột Điều Hướng (Khám phá, Học tập, Kiến tạo, Kết nối) */
.footer-nav-columns {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  margin-top: 38px;
  width: 100%;
}

.footer-nav-col {
  flex: 0 0 auto;
  min-width: 0;
}

.footer-nav-heading {
  font-family: var(--font-heading);
  font-size: 1.28rem;
  font-weight: 700;
  color: #ffffff;
  margin: 0 0 12px 0;
  letter-spacing: 0.01em;
  line-height: 1.25;
}

.footer-nav-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.footer-nav-list li {
  display: flex;
  align-items: flex-start;
  gap: 6px;
}

.footer-nav-list li::before {
  content: '•';
  color: #ffffff;
  font-size: 1.05rem;
  line-height: 1.4;
  flex-shrink: 0;
}

.footer-nav-list a {
  font-size: 0.95rem;
  color: #ffffff;
  text-decoration: none;
  transition: all 0.2s ease;
  line-height: 1.4;
  white-space: nowrap;
}

.footer-nav-list a:hover {
  color: #ffffff;
  text-decoration: underline;
  opacity: 0.9;
}

/* ── CỘT PHẢI: Google Map + Social Icons ──────────────────────────── */
.footer-right-col {
  width: 280px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.footer-map-col {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.footer-map-header {
  width: 100%;
  text-align: center;
  margin-bottom: 8px;
}

.footer-map-label {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: #ffffff;
  text-transform: uppercase;
  margin: 0;
}

.footer-map-embed {
  width: 280px;
  height: 160px;
  border-radius: 12px;
  overflow: hidden;
  background: #ffffff;
  border: 2px solid rgba(255, 255, 255, 0.4);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.footer-map-embed iframe {
  width: 100%;
  height: 100%;
  display: block;
  border: 0;
  border-radius: 10px;
}

.footer-map-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px;
  color: #64748b;
  text-align: center;
  font-size: 0.85rem;
  line-height: 1.4;
}

.footer-social-col {
  width: 100%;
  margin-top: 24px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.footer-social-icons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.footer-social-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #0056b3;
  text-decoration: none;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  flex-shrink: 0;
}

.footer-social-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(255, 255, 255, 0.4);
  color: #004085;
}

.footer-social-btn svg {
  width: 16px;
  height: 16px;
}

.zalo-text {
  font-size: 10px;
  font-weight: 900;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: #0068ff;
  letter-spacing: -0.5px;
}

/* ── Copyright Bar ─────────────────────────────────────────────────────── */
.footer-bottom-container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.footer-bottom {
  margin-top: 35px;
  padding-top: 20px;
  padding-bottom: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  text-align: center;
  width: 100%;
}

.footer-bottom:empty {
  display: none;
}

.footer-copyright-content {
  width: 100%;
}

.footer-copyright-content .copyright-text {
  margin: 0;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.5;
  letter-spacing: -0.01em;
}

@media (min-width: 992px) {
  .footer-copyright-content .copyright-text {
    white-space: nowrap;
  }
}

.footer-license-bottom {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 8px;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.4;
}

/* ── Responsive Footer ─────────────────────────────────────────────────── */
@media (max-width: 992px) {

  .footer-main-wrapper {
    flex-direction: column;
    gap: 32px;
  }

  .footer-brand-header {
    flex-wrap: wrap;
    gap: 12px;
  }

  .footer-school-name {
    white-space: normal;
    font-size: 1.15rem;
  }

  .footer-contact-item {
    align-items: flex-start;
  }

  .footer-icon {
    margin-top: 3px;
  }

  .footer-contact-text {
    white-space: normal;
  }

  .footer-left-col {
    width: 100%;
  }

  .footer-right-col {
    width: 100%;
    align-items: center;
    justify-content: center;
  }

  .footer-map-embed {
    width: 100%;
    max-width: 380px;
    height: 190px;
  }

  .footer-nav-columns {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px 20px;
    width: 100%;
    max-width: 100%;
  }

  .footer-nav-list a {
    white-space: normal;
  }
}

@media (max-width: 576px) {
  .footer-nav-columns {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}

@media (max-width: 576px) {
  .site-footer {
    padding: 35px 0 30px;
  }

  .footer-school-name {
    font-size: 1.1rem;
    margin-bottom: 14px;
    line-height: 1.4;
  }

  .footer-contact-item {
    font-size: 0.9rem;
    gap: 10px;
  }

  .footer-contact-text {
    word-break: break-word;
  }

  .footer-contact-link {
    word-break: break-all;
  }

  .footer-map-col {
    align-items: stretch;
  }

  .footer-map-header {
    text-align: center;
  }

  .footer-map-embed {
    width: 100%;
    max-width: 100%;
    height: 190px;
  }

  .footer-bottom-row {
    margin-top: 30px;
    gap: 24px;
  }

  .footer-nav-columns {
    grid-template-columns: 1fr 1fr;
    gap: 22px 14px;
  }

  .footer-nav-heading {
    font-size: 1.05rem;
    margin-bottom: 10px;
  }

  .footer-nav-list {
    gap: 8px;
  }

  .footer-nav-list a {
    font-size: 0.88rem;
    line-height: 1.4;
  }

  .footer-social-col {
    padding-top: 5px;
    margin-top: 5px;
  }

  .footer-social-btn {
    width: 36px;
    height: 36px;
  }
}


/* Responsive Navigation Breakpoints */
@media (max-width: 1280px) and (min-width: 961px) {
  .main-navigation ul {
    gap: 16px;
  }

  .main-navigation ul li a {
    font-size: 13px;
    font-weight: 500;
  }

  .main-navigation ul li.menu-item-has-children>a {
    padding-right: 12px;
  }
}

@media (max-width: 1100px) and (min-width: 961px) {
  .main-navigation ul {
    gap: 10px;
  }

  .main-navigation ul li a {
    font-size: 11.5px;
  }
}

@media (max-width: 960px) {
  .mobile-nav-toggle {
    display: flex !important;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    font-size: 24px;
    color: #F36F21;
    cursor: pointer;
    z-index: 1001;
    padding: 6px;
  }

  .main-navigation {
    display: none;
    position: absolute;
    top: 71px;
    left: 0;
    width: 100%;
    max-width: 100vw;
    height: auto !important;
    min-height: auto !important;
    background-color: #ffffff !important;
    background: #ffffff !important;
    padding: 12px 18px 24px !important;
    box-shadow: 0 16px 32px rgba(0, 0, 0, 0.12) !important;
    border-bottom: 2px solid #F36F21 !important;
    z-index: 999;
    box-sizing: border-box !important;
    max-height: calc(100vh - 71px);
    overflow-y: auto !important;
    overflow-x: hidden !important;
  }

  .main-navigation.is-open {
    display: block !important;
  }

  .main-navigation ul {
    display: flex !important;
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 0 !important;
    height: auto !important;
    min-height: auto !important;
    width: 100% !important;
    background-color: transparent !important;
    margin: 0 !important;
    padding: 0 !important;
    list-style: none !important;
    box-sizing: border-box !important;
  }

  .main-navigation ul li {
    width: 100% !important;
    height: auto !important;
    min-height: auto !important;
    display: flex !important;
    flex-wrap: wrap !important;
    align-items: center !important;
    justify-content: space-between !important;
    border-bottom: 1px solid #f1f5f9 !important;
    margin: 0 !important;
    padding: 0 !important;
    position: relative !important;
    box-sizing: border-box !important;
  }

  .main-navigation ul li:last-child {
    border-bottom: none !important;
  }

  /* Link cấp 1 trên mobile */
  .main-navigation>ul>li>a,
  .main-navigation .primary-menu-nav>li>a,
  .main-navigation ul.menu>li>a {
    flex: 1 1 auto !important;
    width: auto !important;
    max-width: calc(100% - 44px) !important;
    padding: 13px 4px !important;
    height: auto !important;
    min-height: auto !important;
    font-size: 15px !important;
    font-weight: 500 !important;
    color: #F36F21 !important;
    display: block !important;
    border-bottom: none !important;
    box-sizing: border-box !important;
    text-decoration: none !important;
    white-space: normal !important;
    word-break: break-word !important;
    letter-spacing: 0.02em !important;
    -webkit-font-smoothing: antialiased !important;
    -moz-osx-font-smoothing: grayscale !important;
    transition: color 0.18s ease !important;
  }

  .main-navigation>ul>li:not(.menu-item-has-children)>a,
  .main-navigation .primary-menu-nav>li:not(.menu-item-has-children)>a,
  .main-navigation ul.menu>li:not(.menu-item-has-children)>a {
    max-width: 100% !important;
  }

  .main-navigation>ul>li>a:hover,
  .main-navigation>ul>li.current-menu-item>a,
  .main-navigation>ul>li.is-submenu-open>a,
  .main-navigation .primary-menu-nav>li>a:hover,
  .main-navigation .primary-menu-nav>li.current-menu-item>a,
  .main-navigation .primary-menu-nav>li.is-submenu-open>a,
  .main-navigation ul.menu>li>a:hover,
  .main-navigation ul.menu>li.current-menu-item>a,
  .main-navigation ul.menu>li.is-submenu-open>a {
    color: #203B72 !important;
  }

  .main-navigation ul li a::after,
  .main-navigation ul li a::before {
    display: none !important;
  }

  /* Nút mũi tên mở accordion menu con */
  .sub-menu-toggle {
    display: flex !important;
    align-items: center;
    justify-content: center;
    width: 44px !important;
    height: 44px !important;
    background: transparent !important;
    border: none !important;
    cursor: pointer;
    color: #64748b !important;
    padding: 0 !important;
    flex-shrink: 0 !important;
    transition: color 0.2s ease;
    -webkit-tap-highlight-color: transparent;
  }

  .sub-menu-toggle:hover,
  .sub-menu-toggle.is-active,
  li.is-submenu-open > .sub-menu-toggle {
    color: #F36F21 !important;
  }

  .sub-menu-toggle .toggle-icon {
    display: inline-block;
    width: 6.5px;
    height: 6.5px;
    border-right: 1.5px solid currentColor;
    border-bottom: 1.5px solid currentColor;
    transform: rotate(-45deg); /* Mũi tên > */
    transition: transform 0.22s cubic-bezier(0.4, 0, 0.2, 1);
  }

  li.is-submenu-open > .sub-menu-toggle .toggle-icon,
  .sub-menu-toggle.is-active .toggle-icon {
    transform: rotate(45deg) !important; /* Mũi tên v */
    color: #F36F21 !important;
  }

  /* Dropdown Menu Cấp 2 trên mobile */
  .main-navigation ul.sub-menu,
  .main-navigation ul li ul {
    position: static !important;
    box-shadow: none !important;
    border: none !important;
    padding: 4px 0 6px 12px !important;
    display: none !important; /* Mặc định ẩn, bật khi li.is-submenu-open */
    background-color: #f8fafc !important;
    width: 100% !important;
    flex: 0 0 100% !important;
    min-width: 0 !important;
    max-width: 100% !important;
    height: auto !important;
    opacity: 1 !important;
    visibility: visible !important;
    transform: none !important;
    pointer-events: auto !important;
    border-radius: 6px !important;
    box-sizing: border-box !important;
    left: auto !important;
    right: auto !important;
    top: auto !important;
    bottom: auto !important;
    float: none !important;
  }

  /* Khi mục cha được mở (is-submenu-open) */
  .main-navigation ul li.is-submenu-open > ul.sub-menu,
  .main-navigation ul li.is-submenu-open > ul {
    display: flex !important;
    flex-direction: column !important;
  }

  .main-navigation ul li ul::before,
  .main-navigation ul li ul::after {
    display: none !important;
  }

  /* Thẻ li bên trong Submenu cấp 2 */
  .main-navigation ul.sub-menu li,
  .main-navigation ul li ul li {
    border-bottom: 1px dashed #e2e8f0 !important;
    background: transparent !important;
    padding: 0 !important;
  }

  .main-navigation ul.sub-menu li:last-child,
  .main-navigation ul li ul li:last-child {
    border-bottom: none !important;
  }

  .main-navigation ul.sub-menu li > a,
  .main-navigation ul li ul li > a {
    font-size: 13.5px !important;
    font-weight: 400 !important;
    padding: 10px 4px !important;
    color: #475569 !important;
    line-height: 1.45 !important;
    flex: 1 1 auto !important;
    width: auto !important;
    max-width: calc(100% - 44px) !important;
    white-space: normal !important;
    word-break: break-word !important;
    -webkit-font-smoothing: antialiased !important;
    -moz-osx-font-smoothing: grayscale !important;
  }

  .main-navigation ul.sub-menu li:not(.menu-item-has-children) > a,
  .main-navigation ul li ul li:not(.menu-item-has-children) > a {
    max-width: 100% !important;
  }

  .main-navigation ul.sub-menu li > a:hover,
  .main-navigation ul li ul li > a:hover,
  .main-navigation ul.sub-menu li.current-menu-item > a,
  .main-navigation ul.sub-menu li.is-submenu-open > a {
    color: #F36F21 !important;
  }

  /* Submenu Cấp 3 (14 ngành đào tạo) trên mobile */
  .main-navigation ul.sub-menu li > ul,
  .main-navigation ul.sub-menu li > ul.sub-menu,
  .main-navigation ul.sub-menu-level-3 {
    position: static !important;
    display: none !important;
    left: auto !important;
    right: auto !important;
    top: auto !important;
    bottom: auto !important;
    transform: none !important;
    width: 100% !important;
    flex: 0 0 100% !important;
    min-width: 0 !important;
    max-width: 100% !important;
    background-color: #ffffff !important;
    border-left: 3px solid #F36F21 !important;
    border-radius: 0 6px 6px 0 !important;
    box-shadow: none !important;
    margin: 4px 0 8px 6px !important;
    padding: 4px 0 6px 12px !important;
    box-sizing: border-box !important;
    opacity: 1 !important;
    visibility: visible !important;
    pointer-events: auto !important;
    float: none !important;
  }

  .main-navigation ul.sub-menu li.is-submenu-open > ul,
  .main-navigation ul.sub-menu li.is-submenu-open > ul.sub-menu,
  .main-navigation ul.sub-menu li.is-submenu-open > ul.sub-menu-level-3 {
    display: flex !important;
    flex-direction: column !important;
  }

  .main-navigation ul.sub-menu li > ul li,
  .main-navigation ul.sub-menu li > ul.sub-menu li,
  .main-navigation ul.sub-menu-level-3 li {
    border-bottom: 1px solid #f1f5f9 !important;
  }

  .main-navigation ul.sub-menu li > ul li:last-child,
  .main-navigation ul.sub-menu li > ul.sub-menu li:last-child,
  .main-navigation ul.sub-menu-level-3 li:last-child {
    border-bottom: none !important;
  }

  .main-navigation ul.sub-menu li > ul li > a,
  .main-navigation ul.sub-menu li > ul.sub-menu li > a,
  .main-navigation ul.sub-menu-level-3 li > a {
    font-size: 13px !important;
    font-weight: 400 !important;
    padding: 8px 4px !important;
    color: #334155 !important;
    line-height: 1.4 !important;
    white-space: normal !important;
    word-break: break-word !important;
    -webkit-font-smoothing: antialiased !important;
    -moz-osx-font-smoothing: grayscale !important;
  }

  .main-navigation ul.sub-menu li > ul li > a:hover,
  .main-navigation ul.sub-menu li > ul.sub-menu li > a:hover,
  .main-navigation ul.sub-menu-level-3 li > a:hover {
    color: #F36F21 !important;
    font-weight: 500 !important;
  }

  .topbar-links-wrapper,
  .topbar-menu-list {
    gap: 20px;
  }

  .topbar-link,
  .topbar-menu-list li a {
    font-size: 13px;
  }

  .footer-widgets {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  /* Topbar responsive on mobile (<= 768px) */
  .site-topbar {
    padding: 6px 0;
  }

  .site-topbar .container {
    justify-content: flex-start;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
    padding: 0 15px;
  }

  .site-topbar .container::-webkit-scrollbar {
    display: none;
  }

  .topbar-links-wrapper {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 16px;
    width: max-content;
    min-width: 100%;
    flex-shrink: 0;
  }

  .topbar-menu-list {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 16px;
    list-style: none;
    margin: 0;
    padding: 0;
    width: max-content;
    flex-shrink: 0;
  }

  .topbar-menu-list li {
    display: inline-flex;
    align-items: center;
    flex-shrink: 0;
  }

  .topbar-link,
  .topbar-menu-list li a {
    font-size: 12px;
    white-space: nowrap;
    display: inline-block;
    padding: 3px 2px;
    flex-shrink: 0;
  }
}

@media (max-width: 576px) {
  .site-topbar {
    padding: 5px 0;
  }

  .site-topbar .container {
    padding: 0 12px;
  }

  .topbar-links-wrapper,
  .topbar-menu-list {
    gap: 14px;
  }

  .topbar-link,
  .topbar-menu-list li a {
    font-size: 11.5px;
    padding: 2px 1px;
  }

  .custom-logo-img,
  .site-branding .custom-logo {
    height: 44px;
    max-height: 44px;
  }

  .brand-name-orange {
    font-size: 19px;
    font-weight: 600 !important;
    letter-spacing: 0.005em;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }

  .brand-name-navy {
    font-size: 9.2px;
    letter-spacing: 0.008em;
    margin-top: 2px;
  }

  .brand-logo-combo {
    gap: 8px;
  }

  .mobile-nav-toggle {
    font-size: 1.45rem;
    padding: 4px;
  }
}

@media (max-width: 380px) {
  .site-topbar {
    padding: 4px 0;
  }

  .site-topbar .container {
    padding: 0 10px;
  }

  .topbar-links-wrapper,
  .topbar-menu-list {
    gap: 11px;
  }

  .topbar-link,
  .topbar-menu-list li a {
    font-size: 11px;
  }

  .brand-name-orange {
    font-size: 16.5px;
    letter-spacing: 0.005em;
  }

  .brand-name-navy {
    font-size: 8px;
    letter-spacing: 0.008em;
    margin-top: 1.5px;
  }

  .custom-logo-img,
  .site-branding .custom-logo {
    height: 38px;
    max-height: 38px;
  }
}