@import url('https://fonts.googleapis.com/css2?family=Dancing+Script:wght@400..700&family=Inter:wght@300;400;500;600;700&family=Open+Sans:wght@400;600;700&family=Poppins:wght@300;400;500;600;700;800;900&display=swap&subset=vietnamese');

/* =======================================================
   MODERN 2025 DESIGN SYSTEM INTEGRATION
   Enhanced styles for Kong's Tea with cutting-edge trends
   ======================================================= */

:root {
  /* Brand Colors - Vintage Palette */
  --brand-primary: #c48a4a;
  --brand-secondary: #8b5a2b;
  --brand-accent: #a67c52;
  
  /* Vintage Enhancements */
  --color-primary: #c48a4a;
  --color-primary-light: #d4a574;
  --color-primary-dark: #a67c52;
  --color-primary-alpha: rgba(196, 138, 74, 0.1);
  --color-primary-alpha-20: rgba(196, 138, 74, 0.2);
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #c48a4a, #8b5a2b);
  --gradient-hero: linear-gradient(135deg, rgba(196,138,74,0.1), rgba(139,90,43,0.05));
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(60, 44, 35, 0.1);
  --shadow-md: 0 4px 6px -1px rgba(60, 44, 35, 0.15), 0 2px 4px -1px rgba(60, 44, 35, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(60, 44, 35, 0.18), 0 4px 6px -2px rgba(60, 44, 35, 0.12);
  --shadow-xl: 0 20px 25px -5px rgba(60, 44, 35, 0.2), 0 10px 10px -5px rgba(60, 44, 35, 0.15);
  --shadow-glow: 0 0 20px rgba(196, 138, 74, 0.3);
  
  /* Glass Effects */
  --glass-bg: rgba(255, 255, 255, 0.1);
  --glass-border: rgba(255, 255, 255, 0.2);
  --glass-backdrop: blur(20px);
  
  /* Transitions */
  --transition-base: 0.3s ease-out;
  --transition-smooth: 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-bounce: 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  
  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  
  /* Border Radius */
  --radius-sm: 0.5rem;
  --radius-md: 1rem;
  --radius-lg: 1.5rem;
  --radius-xl: 2rem;
  --radius-full: 9999px;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: #43352b;
  background-color: #fbf4e4;
  overflow-x: hidden;
  width: 100%;
  max-width: 100vw;
  position: relative;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
  padding-top: 80px; /* Space for fixed header */
}

/* Hiệu ứng fade chuyển trang */
body.fade-out {
  opacity: 0;
  transition: opacity 0.5s cubic-bezier(.4,0,.2,1);
}
body.fade-in {
  opacity: 1;
  transition: opacity 0.5s cubic-bezier(.4,0,.2,1);
}

.layout_padding {
  padding: 90px 0;
}

.layout_padding2 {
  padding: 75px 0;
}

.layout_padding2-top {
  padding-top: 75px;
}

.layout_padding2-bottom {
  padding-bottom: 75px;
}

.layout_padding-top {
  padding-top: 90px;
}

.layout_padding-bottom {
  padding-bottom: 90px;
}

h1,
h2 {
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.2;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 4px 8px rgba(196, 138, 74, 0.3);
}

h2 {
  font-size: clamp(2rem, 2vw, 3rem);
  color: #3c2c23;
  position: relative;
}

h3, h4, h5, h6 {
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  color: #3c2c23;
}

.logo {
  width: 80px;
}

.heading_container {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  -webkit-box-align: start;
      -ms-flex-align: start;
          align-items: flex-start;
  position: relative;
  margin-bottom: var(--space-xl);
}

.heading_container h2 {
  position: relative;
  margin-bottom: 20px;
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 4px 12px rgba(196, 138, 74, 0.2);
  letter-spacing: -0.02em;
}

.heading_container h2::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-glow);
}

.heading_container_contact {
  text-align: center;
  margin-bottom: 40px;
}

.heading_container_contact h2 {
  font-size: 2.5rem;
  color: #3c2c23;
  text-transform: uppercase;
}
/* CSS cho slider_section */
.opening-slide img {
  max-height: 600px;
  width: auto;
  object-fit: contain;
  border-radius: 10px;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.opening-slide {
  text-align: center;
  padding: 20px;
}

.opening-slide h2 {
  font-size: 2.5rem;
  color: #c48a4a;
  margin-top: 20px;
  text-shadow: 2px 2px 4px rgba(60, 44, 35, 0.3);
}

/* CSS cho popup */
.modal-dialog {
  max-width: 800px;
}

.modal-title {
  text-align: center; /* Căn giữa chữ */
  width: 100%; /* Đảm bảo nó chiếm toàn bộ chiều rộng */
}

.modal-header {
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.modal-content {
  border-radius: 15px;
  overflow: hidden;
  text-align: center;
}

.modal-body img {
  width: 100%;
  height: auto;
  object-fit: contain;
}

.modal-body .carousel-inner {
  padding: 20px;
}

.modal-body .carousel-item {
  text-align: center;
}

.modal-body .carousel-control-prev,
.modal-body .carousel-control-next {
  top: 50%;
  transform: translateY(-50%);
  width: 5%;
}
.heading_container_contact h2 span {
  color: #c48a4a;
}

.heading_container h2 span {
  color: #c48a4a;
}

.heading_container p {
  margin-top: 5px;
  margin-bottom: 10px;
  font-size: 1.1rem;
  color: #73513a;
}

.heading_container.heading_center {
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  text-align: center;
}

a,
a:hover,
a:focus {
  text-decoration: none;
}

a:hover,
a:focus {
  color: initial;
}

.btn,
.btn:focus {
  outline: none !important;
  -webkit-box-shadow: none;
          box-shadow: none;
}

/*header section*/
.hero_area {
  position: relative;
  min-height: 100vh;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
}

.bg-box {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.bg-box img {
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
     object-fit: cover;
}

/* CSS cho hình ảnh menu với class img.menu */
.imgmenu {
    max-width: 80%; /* Đảm bảo hình ảnh không vượt quá kích thước container */
    height: auto; /* Giữ tỷ lệ khung hình */
    border-radius: 10px; /* Bo tròn góc */
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1); /* Đổ bóng nhẹ */
    transition: transform 0.3s ease, box-shadow 0.3s ease; /* Hiệu ứng khi di chuột */
    margin: 20px 0; /* Khoảng cách trên và dưới */
    display: block; /* Đảm bảo hình ảnh không bị lệch */
    margin-left: auto; /* Căn giữa theo chiều ngang */
    margin-right: auto; /* Căn giữa theo chiều ngang */
}

.imgmenu:hover {
    transform: scale(1.05); /* Phóng to nhẹ khi di chuột qua */
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2); /* Đổ bóng mạnh hơn khi di chuột */
}

.sub_page .hero_area {
  min-height: auto;
}

.sub_page .hero_area .bg-box {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.sub_page .hero_area .bg-box img {
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
     object-fit: cover;
  -o-object-position: right top;
     object-position: right top;
}

/* Header Section - Modern 2025 Design */
.header_section {
    padding: 15px 0;
    background: rgba(251, 244, 228, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 8px 32px rgba(60, 44, 35, 0.08);
    border-bottom: 1px solid rgba(227, 214, 199, 0.3);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    z-index: 1000;
    transition: all var(--transition-base);
}

.header_section.scrolled {
    background: rgba(251, 244, 228, 0.98);
    box-shadow: 0 12px 40px rgba(60, 44, 35, 0.12);
    padding: 10px 0;
}

.navbar-brand .logo {
    width: 55px;
    height: auto;
    transition: all var(--transition-bounce);
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
    border-radius: var(--radius-sm);
}

.navbar-brand .logo:hover {
    transform: scale(1.1) rotate(5deg);
    filter: drop-shadow(0 8px 16px rgba(196, 138, 74, 0.4));
}

.custom_nav-container .navbar-nav {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-xs);
}

.custom_nav-container .navbar-nav .nav-item .nav-link {
    padding: var(--space-sm) var(--space-md);
    color: #3c2c23;
    text-transform: uppercase;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    transition: all var(--transition-bounce);
    position: relative;
    overflow: hidden;
    letter-spacing: 0.5px;
}


.custom_nav-container .navbar-nav .nav-item:hover .nav-link,
.custom_nav-container .navbar-nav .nav-item.active .nav-link {
    color: var(--brand-primary);
    background: var(--color-primary-alpha);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}



.custom_nav-container .navbar-toggler {
    padding: 0;
    width: 37px;
    height: 42px;
    transition: all 0.3s;
}

.custom_nav-container .navbar-toggler span {
    display: block;
    width: 35px;
    height: 4px;
    background-color: #3c2c23;
    margin: 7px 0;
    transition: all 0.3s;
    border-radius: 5px;
}

.custom_nav-container .navbar-toggler span::before,
.custom_nav-container .navbar-toggler span::after {
    content: "";
    position: absolute;
    left: 0;
    height: 100%;
    width: 100%;
    background-color: #3c2c23;
    top: -10px;
    border-radius: 5px;
    transition: all 0.3s;
}

.custom_nav-container .navbar-toggler span::after {
    top: 10px;
}

.custom_nav-container .navbar-toggler[aria-expanded="true"] span {
    transform: rotate(45deg);
}

.custom_nav-container .navbar-toggler[aria-expanded="true"] span::before,
.custom_nav-container .navbar-toggler[aria-expanded="true"] span::after {
    transform: rotate(90deg);
    top: 0;
}


.branches-container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  padding: 20px;
  background-color: #f0e2cf;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  margin-bottom: 30px;
  box-sizing: border-box;
}

.branch {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  background-color: #fbf4e4;
  border-radius: 15px;
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
  overflow: hidden;
  transition: transform 0.3s ease;
  width: 100%;
}

.branch img {
  width: 100%;
  height: 250px;
  object-fit: cover;
}

.branch p {
  padding: 10px;
  margin: 0;
  font-weight: bold;
  color: #3c2c23;
  font-size: 0.9em;
  flex-grow: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  box-sizing: border-box;
}

.branch:hover {
  transform: scale(1.05);
}

/* CSS cho hình ảnh menu */
.imgmenu {
  max-width: 80%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  margin: 20px auto;
  display: block;
}

.imgmenu:hover {
  transform: scale(1.05);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
}

/* Media queries được chuyển sang file responsive.css */

/* Navbar */
.navbar-brand {
  font-family: 'Dancing Script', cursive;
  font-size: 2.2rem;
  color: #c48a4a;
  display: flex;
  align-items: center;
  padding: 0;
  transition: all 0.3s ease;
}

.navbar-brand span {
  font-weight: 700;
  color: #3c2c23;
}

.custom_nav-container .navbar-nav .nav-item .nav-link {
  padding: 10px 25px;
  color: #3c2c23;
  text-transform: uppercase;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 50px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.custom_nav-container .navbar-nav .nav-item .nav-link::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background-color: #c48a4a;
  transition: width 0.3s ease;
  z-index: -1;
}

.custom_nav-container .navbar-nav .nav-item:hover .nav-link::before,
.custom_nav-container .navbar-nav .nav-item.active .nav-link::before {
  width: 70%;
}

.custom_nav-container .navbar-nav .nav-item:hover .nav-link,
.custom_nav-container .navbar-nav .nav-item.active .nav-link {
  color: #c48a4a;
  background: rgba(196, 138, 74, 0.1);
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(196, 138, 74, 0.15);
}

.custom_nav-container .nav_search-btn {
  color: #3c2c23;
  transition: all 0.3s ease;
}

.custom_nav-container .nav_search-btn:hover {
  color: #c48a4a;
}

.offer_section .offer-box {
        margin-bottom: 20px;
    }
    .offer_section .img-box {
        height: 180px; /* Giảm chiều cao ảnh trên mobile */
    }


@media (max-width: 768px) {
  .custom_nav-container .navbar-nav {
    padding-top: 15px;
    padding-left: 0;
    align-items: center;
    background-color: rgba(251, 244, 228, 0.95);
    border-radius: 0 0 15px 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    padding-bottom: 10px;
  }

  .custom_nav-container .navbar-nav .nav-item .nav-link {
    padding: 10px 25px;
    margin: 5px 0;
    border-radius: 30px;
    font-weight: 600;
    transition: all 0.3s ease;
  
  }

  .custom_nav-container .navbar-nav .nav-item:hover .nav-link, 
  .custom_nav-container .navbar-nav .nav-item.active .nav-link {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(196, 138, 74, 0.2);
  }
}

.navbar .search-container {
  display: flex;
  align-items: center;
  margin-left: auto;
  margin-right: 20px;
}

.search-container {
  position: relative;
  width: 250px;
}

.search-input {
  width: 100%;
  padding: 8px 35px 8px 15px;
  border: 1px solid #ddd;
  border-radius: 20px;
  font-size: 14px;
  transition: all 0.3s ease;
}

.search-icon {
  position: absolute;
  right: 15px;
  top: 50%;
  transform: translateY(-50%);
  color: #888;
  cursor: pointer;
}

.search-results {
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  max-height: 300px;
  overflow-y: auto;
  background: #fbf4e4;
  border: 1px solid #ddd;
  border-top: none;
  border-radius: 0 0 10px 10px;
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
  z-index: 1000;
  display: none;
}

.search-results.show {
  display: block;
}

.search-results-item {
  padding: 10px;
  border-bottom: 1px solid #eee;
  cursor: pointer;
  transition: background-color 0.2s;
}

.search-results-item:hover {
  background-color: #f9f9f9;
}


.custom_nav-container .navbar-toggler {
  outline: none;
}

.custom_nav-container .navbar-toggler {
  padding: 0;
  width: 40px;
  height: 40px;
  transition: all 0.3s;
  background: transparent;
  border: none;
  outline: none;
  cursor: pointer;
  border-radius: 5px;
}

.custom_nav-container .navbar-toggler:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(196, 138, 74, 0.3);
}

.custom_nav-container .navbar-toggler span {
  display: block;
  width: 30px;
  height: 3px;
  background-color: #3c2c23;
  margin: 6px auto;
  transition: all 0.3s ease-in-out;
  position: relative;
  border-radius: 3px;
}

/* === EMERGENCY CONTROLS STYLES === */
.admin-login-btn {
  position: fixed;
  bottom: 20px;
  right: 20px;
  padding: 12px 18px;
  background: rgba(251, 244, 228, 0.9);
  border: none;
  border-radius: 50px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  cursor: pointer;
  font-weight: 600;
  font-size: 0.9rem;
  color: #666;
  transition: all 0.3s cubic-bezier(0.25, 1, 0.5, 1);
  z-index: 1000;
  opacity: 0.6;
  display: flex;
  align-items: center;
  justify-content: center;
}

.admin-login-btn:hover {
  opacity: 1;
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(60, 44, 35, 0.15);
  background: #fbf4e4;
  color: #3c2c23;
}

.admin-login-btn i {
  margin-right: 8px;
  font-size: 1.1rem;
  color: #c48a4a;
}

.admin-panel {
  position: fixed;
  bottom: 80px;
  right: 20px;
  width: 350px;
  background: #fbf4e4;
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
  z-index: 1000;
  overflow: hidden;
  animation: slideInUp 0.4s cubic-bezier(0.25, 1, 0.5, 1);
  transform-origin: bottom right;
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(30px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.admin-panel-header {
  background: linear-gradient(135deg, #c48a4a, #8b5a2b);
  padding: 20px;
  color: white;
  position: relative;
  overflow: hidden;
}

.admin-panel-header::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.3) 0%, rgba(255,255,255,0) 70%);
  transform: rotate(30deg);
  pointer-events: none;
}

.admin-panel-title {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 700;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  display: flex;
  align-items: center;
}

.admin-panel-title i {
  margin-right: 10px;
  font-size: 1.3rem;
}

.admin-panel-content {
  padding: 20px;
  max-height: 400px;
  overflow-y: auto;
}

.branch-control {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 15px;
  margin-bottom: 10px;
  background: #f8f9fa;
  border-radius: 10px;
  transition: all 0.3s ease;
}

.branch-control:hover {
  background: #f0f0f0;
  transform: translateX(5px);
}

.branch-label {
  font-weight: 600;
  color: #333;
  display: flex;
  align-items: center;
}

.branch-label::before {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  background-color: #c48a4a;
  border-radius: 50%;
  margin-right: 10px;
}

.toggle-btn {
  padding: 8px 15px;
  border: none;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 130px;
}

.toggle-btn.close {
  background-color: #F44336;
  color: white;
  box-shadow: 0 4px 10px rgba(244, 67, 54, 0.3);
}

.toggle-btn.open {
  background-color: #4CAF50;
  color: white;
  box-shadow: 0 4px 10px rgba(76, 175, 80, 0.3);
}

.toggle-btn:hover {
  transform: translateY(-2px);
  filter: brightness(1.1);
}

.toggle-btn i {
  margin-right: 5px;
}

.admin-panel-footer {
  padding: 15px 20px;
  background: #f8f9fa;
  border-top: 1px solid #eee;
}

.logout-btn {
  width: 100%;
  padding: 12px;
  background: #f0f0f0;
  border: none;
  border-radius: 8px;
  font-weight: 600;
  color: #666;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.logout-btn:hover {
  background: #e0e0e0;
  color: #333;
}

.logout-btn i {
  margin-right: 8px;
  color: #F44336;
}

/* Responsive adjustments */
@media (max-width: 576px) {
  .admin-panel {
    width: calc(100% - 40px);
    right: 20px;
    left: 20px;
  }
}

@keyframes float {
  0% {
    transform: translateY(0) rotate(0deg);
  }
  50% {
    transform: translateY(-20px) rotate(5deg);
  }
  100% {
    transform: translateY(0) rotate(0deg);
  }
}

.custom_nav-container .navbar-toggler span::before, 
.custom_nav-container .navbar-toggler span::after {
  content: "";
  position: absolute;
  left: 0;
  height: 100%;
  width: 100%;
  background-color: #3c2c23;
  border-radius: 3px;
  transition: all 0.3s ease-in-out;
}

.custom_nav-container .navbar-toggler span::before {
  top: -8px;
}

.custom_nav-container .navbar-toggler span::after {
  top: 8px;
}

.custom_nav-container .navbar-toggler:hover span,
.custom_nav-container .navbar-toggler:hover span::before,
.custom_nav-container .navbar-toggler:hover span::after {
  background-color: #c48a4a;
}

/* Floating CTA */
.cta-float {
  cursor: pointer;
  position: fixed;
  right: 20px;
  bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 15px;
  z-index: 9999;
}
.cta-btn {
  width: 60px !important;
  height: 60px !important;
  min-width: 60px !important;
  min-height: 60px !important;
  max-width: 60px !important;
  max-height: 60px !important;
  border-radius: 50% !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  color: #fff !important;
  text-decoration: none !important;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
  transition: all 0.3s ease;
  border: none !important;
  padding: 0 !important;
  line-height: 1;
  flex-shrink: 0 !important;
  white-space: nowrap;
  overflow: hidden;
  cursor: pointer !important;
}
.cta-btn:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 6px 20px rgba(0,0,0,0.3);
  color: #fff !important;
  text-decoration: none !important;
}
.cta-call { 
  background: #28a745 !important;
}
.cta-call i {
  font-size: 24px;
  line-height: 1;
}
.cta-zalo { 
  background: #0068ff !important;
  font-weight: 700;
  font-family: "Arial", sans-serif;
}
.cta-zalo span { 
  font-size: 11px;
  letter-spacing: 0.3px;
  text-transform: uppercase;
  line-height: 1;
  display: block;
}

@media (max-width: 768px) {
  .cta-float {
    right: 15px;
    bottom: 15px;
    gap: 12px;
  }
  .cta-btn { 
    width: 55px !important;
    height: 55px !important;
    min-width: 55px !important;
    min-height: 55px !important;
    max-width: 55px !important;
    max-height: 55px !important;
  }
  .cta-call i {
    font-size: 22px;
  }
  .cta-zalo span { 
    font-size: 10px;
  }
}

.custom_nav-container .navbar-toggler[aria-expanded="true"] {
  transform: rotate(0deg);
}

.custom_nav-container .navbar-toggler[aria-expanded="true"] span {
  background-color: transparent;
}

.custom_nav-container .navbar-toggler[aria-expanded="true"] span::before {
  transform: rotate(45deg);
  top: 0;
  background-color: #c48a4a;
}

.custom_nav-container .navbar-toggler[aria-expanded="true"] span::after {
  transform: rotate(-45deg);
  top: 0;
  background-color: #c48a4a;
}

/* ===== Global font override: enforce Inter for Vietnamese ===== */
body,
h1,
h2,
h3,
h4,
h5,
h6,
.navbar-brand,
.hero-btn,
button,
input,
select,
textarea,
.custom_nav-container .navbar-nav .nav-item .nav-link {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif !important;
}