@import url('https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400;1,500&family=Montserrat:wght@400;500;600;700;800;900&family=Playfair+Display:ital,wght@0,400;0,500;0,600;0,700;1,400;1,500;1,600;1,700&display=swap');

/* ==========================================================================
   RESET & BASE VARIABLES
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { 
  scroll-behavior: smooth; 
  font-size: 16px; 
  overflow-x: hidden; /* Khóa khoảng trắng thừa của hiệu ứng */
}
body {
  font-family: 'Be Vietnam Pro', Arial, sans-serif;
  color: #333;
  line-height: 1.7;
  background: #FFFDF8;
  overflow-x: hidden; /* Khóa khoảng trắng thừa của hiệu ứng */
  max-width: 100vw; /* Ép chiều rộng tuyệt đối không vượt quá màn hình */
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body.menu-open {
  overflow: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: all 0.3s ease; }
ul { list-style: none; }

:root {
  --font-heading: 'Montserrat', Arial, sans-serif;
  --font-body: 'Be Vietnam Pro', Arial, sans-serif;
  --font-serif: 'Playfair Display', serif;
  
  --gold: #D4AF37;
  --gold-dark: #B68D40; 
  --gold-soft: #FDF9EE;
  
  --dark: #1A1D24; 
  --cream: #FAF8F4; 
  --card-border: #EFECE6; 
}

.container { max-width: 1240px; margin: 0 auto; padding: 0 24px; }
.section-padding { padding: 120px 0; }

h1, h2, h3, h4, h5, h6 { font-family: var(--font-heading); color: var(--dark); line-height: 1.3; }

.btn-primary-orange {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  height: 48px; padding: 0 32px; border-radius: 100px;
  background: #E18961; color: #FFFFFF; font-weight: 600; font-size: 16px;
  transition: all 0.3s ease; border: none; cursor: pointer;
}
.btn-primary-orange:hover { transform: translateY(-3px); box-shadow: 0 10px 20px rgba(225, 137, 97, 0.3); color: #fff; }

.btn-outline-brown {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  height: 48px; padding: 0 32px; border-radius: 100px;
  background: #FFFFFF; color: #8D633C; border: 2px solid #8D633C;
  font-weight: 600; font-size: 16px; transition: all 0.3s ease; cursor: pointer;
}
.btn-outline-brown:hover { background: #8D633C; color: #FFFFFF; }


/* ==========================================================================
   1 - 3. HEADER & HERO BANNER
   ========================================================================== */

.top-header { background: #FFF; padding: 16px 0; position: relative; z-index: 101; }
.header-row { display: flex; align-items: center; justify-content: space-between; }
.brand-block { display: flex; align-items: center; gap: 14px; }
.brand-logo img {
  height: 90px;
  width: auto;
  object-fit: contain;
  mix-blend-mode: normal;
  isolation: isolate;
}
.brand-text h1 { font-family: var(--font-heading); font-size: 24px; font-weight: 800; color: #6A4421; line-height: 1.1; letter-spacing: 0.05em; text-transform: uppercase; }
.brand-text p { font-family: var(--font-body); font-size: 14px; font-weight: 600; font-style: italic; color: #BC903D; margin-top: 4px; }
.header-contact { display: flex; align-items: center; gap: 32px; }
.hotline-box { display: flex; align-items: center; gap: 14px; text-align: right; }
.hotline-icon { color: #6A4421; font-size: 28px; }
.hotline-text small { display: block; font-size: 13px; color: #6A4421; font-weight: 500; }
.hotline-text strong { display: block; font-family: var(--font-heading); font-size: 18px; font-weight: 800; color: #6A4421; }
.btn-zalo-gold { display: inline-flex; align-items: center; justify-content: center; height: 40px; padding: 0 32px; border-radius: 100px; background: linear-gradient(to right, #F5E3B3, #E1BF73); color: #513619; font-family: var(--font-heading); font-size: 15px; font-weight: 700; box-shadow: 0 4px 10px rgba(0,0,0,0.1); border: 1px solid #d4af37; transition: all 0.3s ease; }
.btn-zalo-gold:hover { transform: translateY(-2px); box-shadow: 0 6px 15px rgba(225, 191, 115, 0.4); }

.main-nav { position: sticky; top: 0; z-index: 100; background: #C49A54; transition: all 0.4s ease; }
.main-nav .container { display: flex; justify-content: center; align-items: center; }
#mainMenu { display: flex; align-items: center; height: 60px; }
#mainMenu > li { position: relative; display: flex; align-items: stretch; height: 60px; }
#mainMenu > li > a { display: flex; align-items: center; gap: 8px; height: 100%; padding: 0 20px; font-family: var(--font-heading); font-size: 14px; font-weight: 500; color: #FFFFFF; text-transform: uppercase; letter-spacing: 0.05em; position: relative; transition: color 0.3s; }
#mainMenu > li > a::after { content: ''; position: absolute; bottom: 0; left: 50%; width: 0; height: 3px; background: #FFFFFF; transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1); transform: translateX(-50%); border-radius: 3px 3px 0 0; }
#mainMenu > li > a:hover, #mainMenu > li > a.active { color: #FFFDF8; }
#mainMenu > li > a:hover::after, #mainMenu > li > a.active::after { width: calc(100% - 40px); }
.nav-caret { font-size: 11px; opacity: 0.78; transition: transform 0.22s ease; }
@media (min-width: 992px) {
  #mainMenu > li.has-submenu:hover > a .nav-caret,
  #mainMenu > li.has-submenu:focus-within > a .nav-caret { transform: rotate(180deg); }

  /* Hover bridge: lấp vùng ranh giới để rê chuột xuống submenu không bị rơi hover */
  #mainMenu > li.has-submenu::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    height: 14px;
  }
}

.nav-submenu {
  position: absolute;
  top: calc(100% + 4px);
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 240px;
  padding: 36px 10px 10px;
  border-radius: 18px;
  background: #fffdf9;
  border: 1px solid rgba(182, 141, 64, 0.16);
  box-shadow: 0 24px 48px rgba(35, 26, 13, 0.14);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.22s ease, transform 0.22s ease, visibility 0.22s ease;
  z-index: 120;
}

.nav-submenu::before {
  content: 'Thư viện';
  position: absolute;
  top: 12px;
  left: 18px;
  color: #a0794b;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

#mainMenu > li.has-submenu > .nav-submenu::after {
  content: '';
  position: absolute;
  top: -4px;
  left: 50%;
  width: 12px;
  height: 12px;
  background: #fffdf9;
  border-left: 1px solid rgba(182, 141, 64, 0.16);
  border-top: 1px solid rgba(182, 141, 64, 0.16);
  transform: translateX(-50%) rotate(45deg);
}

@media (min-width: 992px) {
  #mainMenu > li.has-submenu:hover > .nav-submenu,
  #mainMenu > li.has-submenu:focus-within > .nav-submenu {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0);
  }
}
.nav-submenu li { width: 100%; }
.nav-submenu li a {
  display: flex;
  align-items: center;
  min-height: 46px;
  padding: 0 14px;
  color: #6A4421;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  text-transform: none;
  letter-spacing: 0;
  white-space: nowrap;
  border-radius: 12px;
}
.nav-submenu li a:hover {
  background: rgba(196, 154, 84, 0.1);
  color: #5b381f;
}

.nav-submenu li a.active {
  background: linear-gradient(180deg, rgba(196, 154, 84, 0.16) 0%, rgba(196, 154, 84, 0.08) 100%);
  color: #5b381f;
}

/* Nút Hamburger ẩn trên Desktop */
.hamburger { display: none; background: transparent; border: none; cursor: pointer; padding: 10px; }
.hamburger span { display: block; width: 28px; height: 2px; background: #FFF; margin: 6px 0; transition: 0.3s; }

.hero-banner { position: relative; min-height: 550px; display: flex; align-items: center; background-image: url('../images/site/banner.jpg'); background-size: cover; background-position: center right; background-attachment: scroll; overflow: hidden; }
.hero-banner .container { width: 100%; display: flex; justify-content: flex-start; }
.hero-content { position: relative; z-index: 2; text-align: left; margin-left: 0px; margin-right: auto; max-width: 600px; padding: 60px 0; }
.hero-eyebrow { display: inline-block; font-family: var(--font-heading); font-size: 14px; font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase; color: #8D633C; margin-bottom: 12px; }
.hero-content h2 { color: #5B381F; font-size: 44px; margin-bottom: 24px; font-weight: 800; font-family: var(--font-heading); }
.hero-features { margin-bottom: 32px; list-style: none; padding: 0; }
.hero-features li { font-size: 20px; font-weight: 500; color: #2B3442; margin-bottom: 12px; display: flex; align-items: center; justify-content: flex-start; gap: 12px; }
.hero-features li i { color: #00A651; font-size: 22px; }
.hero-actions { display: flex; align-items: center; justify-content: flex-start; gap: 16px; flex-wrap: wrap; margin-bottom: 32px; }
.hero-social a { display: inline-flex; align-items: center; gap: 8px; color: #6b3a0b; font-size: 17px; font-weight: 600; transition: color 0.3s; }
.hero-social a:hover { color: #a55f05; }
.hero-social a i { font-size: 22px; }

/* Ẩn giao diện Mobile trên Desktop */
.mobile-hero-image { display: none; }

/* ==========================================================================
   TỪ PHẦN 4 TRỞ XUỐNG - NHỊP ĐIỆU MÀU SẮC (TRẮNG - KEM XEN KẼ)
   ========================================================================== */

.section-intro { max-width: 800px; margin: 0 auto 56px; text-align: left; }

.section-label { 
  font-family: var(--font-heading); font-size: 12px; font-weight: 700; 
  letter-spacing: 0.15em; text-transform: uppercase; color: var(--gold-dark); 
  display: flex; align-items: center; gap: 16px; margin-bottom: 20px;
}
.section-label::before { content: ''; width: 40px; height: 1px; background: var(--gold-dark); }
.section-label.center { justify-content: center; }
.section-label.center::before { display: none; }
.section-label.center::before, .section-label.center::after { content: ''; width: 40px; height: 1px; background: var(--gold-dark); }
.section-intro:has(.section-label.center) { text-align: center; }

.home-about h2, .home-philosophy h2, .home-solutions h2, .home-personas h2, 
.home-why-choose h2, .home-insights h2, .home-testimonials h2, .home-founder-message h2, 
.home-faq h2, .home-final-cta h2, .home-connect h2 {
  font-family: var(--font-serif);
  font-size: 40px; font-weight: 500; color: var(--dark); line-height: 1.35; margin-bottom: 16px;
}
.section-intro p { font-size: 16px; color: #555; line-height: 1.8; font-weight: 400; margin: 0; }

/* ===== 4. GIÁ TRỊ NỔI BẬT ===== */
.home-values { background: var(--cream); position: relative; z-index: 10; padding: 100px 0; }
.values-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.value-item { 
  background: #FFFFFF; padding: 64px 24px 48px; text-align: center; 
  border-radius: 160px 160px 20px 20px; 
  border: 1px solid rgba(182, 141, 64, 0.15); 
  box-shadow: 0 10px 30px rgba(0,0,0,0.02);
  transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative; 
}
.value-item:hover { 
  transform: translateY(-8px); box-shadow: 0 20px 50px rgba(182, 141, 64, 0.08); border-color: var(--gold-dark);
}
.value-icon { 
  width: 72px; height: 72px; margin: 0 auto 24px; border-radius: 50%;
  border: 1px solid var(--gold-dark); background: transparent; 
  color: var(--gold-dark); font-size: 22px; 
  display: flex; align-items: center; justify-content: center; transition: all 0.5s ease; 
}
.value-item:hover .value-icon { background: var(--gold-dark); color: #FFF; transform: scale(1.05); }
.value-item h3 { font-family: var(--font-serif); font-size: 22px; font-weight: 500; font-style: italic; color: var(--dark); margin-bottom: 12px; }
.value-item p { font-family: var(--font-body); font-size: 15px; font-weight: 400; color: #888; margin: 0; }

/* ===== 5. VỀ CHÚNG TÔI ===== */
.home-about { background: #FFFFFF; }
.about-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 64px; align-items: center; }
.about-content p { font-size: 16px; color: #555; line-height: 1.8; margin-bottom: 16px; font-weight: 400; }
.about-content strong { font-weight: 600; color: var(--dark); }

.highlight-yellow {
  background-color: #FBE5A5; color: var(--dark); font-weight: 700; 
  padding: 2px 8px; border-radius: 4px; display: inline-block; line-height: 1.2;
}

.about-btn {
  display: inline-flex; align-items: center; justify-content: center;
  height: 50px; padding: 0 36px; border-radius: 100px;
  background: var(--gold-dark); color: #FFF; 
  font-family: var(--font-heading); font-size: 14px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.05em;
  margin-top: 16px; transition: all 0.4s ease; box-shadow: 0 10px 20px rgba(182, 141, 64, 0.2);
}
.about-btn:hover { background: var(--dark); color: #FFF; transform: translateY(-4px); box-shadow: 0 15px 30px rgba(0,0,0,0.2); }
.btn-mobile { display: none; } /* Mặc định giấu nút mobile đi */

/* Thiết kế dạng lưới Bento Box */
.about-highlights { 
  display: grid; 
  grid-template-columns: repeat(2, 1fr); 
  gap: 20px; 
}
.highlight-card { 
  background: var(--cream); border: 1px solid var(--card-border); border-radius: 20px;
  padding: 24px 20px; display: flex; flex-direction: column; align-items: flex-start; gap: 16px; transition: all 0.3s;
}
.highlight-card:hover { transform: translateY(-6px); border-color: var(--gold-dark); background: #FFF; box-shadow: 0 10px 25px rgba(0,0,0,0.04); }
.highlight-card i { 
  width: 44px; height: 44px; border-radius: 12px; background: #FFF; 
  display: flex; align-items: center; justify-content: center;
  color: var(--gold-dark); font-size: 18px; box-shadow: 0 4px 10px rgba(0,0,0,0.02);
}
.highlight-card h3 { font-family: var(--font-body); font-size: 16px; font-weight: 600; color: var(--dark); margin: 0; line-height: 1.4; }

/* ===== 6. TRIẾT LÝ HOẠT ĐỘNG ===== */
.home-philosophy { background: var(--cream); }
.home-philosophy .section-intro.center { text-align: center; max-width: 900px; margin: 0 auto 40px; }

.phil-label { color: #555; }
.phil-label::before, .phil-label::after { background: #CCC !important; width: 40px; height: 1px; }

.philosophy-statement {
  font-family: var(--font-serif) !important; font-size: 34px !important; font-weight: 400 !important;
  color: var(--dark) !important; line-height: 1.4 !important; margin: 0;
}
.highlight-italic { color: var(--gold-dark); font-style: italic; font-weight: 500; }

.philosophy-tags { display: flex; flex-wrap: wrap; justify-content: center; gap: 24px; }
.phil-tag {
  display: inline-flex; align-items: center; gap: 10px; background: #FFF; 
  border: 1px solid #EFECE6; color: var(--dark); 
  padding: 14px 28px; border-radius: 100px; font-family: var(--font-body); 
  font-weight: 600; font-size: 15px; box-shadow: 0 4px 15px rgba(0,0,0,0.02); transition: all 0.3s ease;
}
.phil-tag i { color: var(--gold-dark); font-size: 18px; }
.phil-tag:hover { border-color: var(--gold-dark); transform: translateY(-4px); box-shadow: 0 10px 20px rgba(182, 141, 64, 0.1); }

/* ===== 7. GIẢI PHÁP ĐỒNG HÀNH ===== */
.home-solutions { background: #FFFFFF; } 
.solutions-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; align-items: center; }

.solution-card { 
  background: #FFFFFF; border-radius: 24px; border: 1px solid rgba(182, 141, 64, 0.15); 
  box-shadow: 0 10px 30px rgba(0,0,0,0.03); transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1); 
  display: flex; flex-direction: column; position: relative; z-index: 1; overflow: hidden; 
}
.solution-image { position: relative; width: 100%; height: 180px; overflow: hidden; }
.solution-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.8s ease; filter: contrast(1.05) saturate(0.9); }
.solution-card:hover .solution-image img { transform: scale(1.08); }

.solution-icon-float {
  position: absolute; top: 152px; right: 28px; width: 56px; height: 56px; border-radius: 16px;
  background: #FFFFFF; color: var(--gold-dark); display: flex; align-items: center; justify-content: center;
  font-size: 20px; box-shadow: 0 10px 20px rgba(0,0,0,0.08); border: 1px solid rgba(182, 141, 64, 0.15); z-index: 2; transition: 0.4s ease;
}
.solution-card:hover .solution-icon-float { background: var(--gold-dark); color: #FFF; transform: scale(1.1) translateY(-5px); border-color: transparent; }

.solution-body { padding: 32px 28px 28px; display: flex; flex-direction: column; flex-grow: 1; }

.solution-card.centerpiece { transform: scale(1.04); box-shadow: 0 20px 50px rgba(182, 141, 64, 0.08); border-color: rgba(182, 141, 64, 0.3); z-index: 2; }
.solution-card.centerpiece .solution-body { background: #FFFDF8; }
.solution-card:hover { transform: translateY(-8px); box-shadow: 0 20px 40px rgba(182, 141, 64, 0.12); border-color: var(--gold-dark); z-index: 3;}
.solution-card.centerpiece:hover { transform: scale(1.04) translateY(-8px); }

.solution-tag { 
  display: inline-block; align-self: flex-start; background: #FDF9EE; color: var(--gold-dark); 
  padding: 4px 12px; border-radius: 100px; font-size: 11px; font-weight: 700; text-transform: uppercase; 
  letter-spacing: 0.05em; margin-bottom: 16px; border: 1px solid rgba(182, 141, 64, 0.2);
}
.solution-card h3 { font-size: 20px; font-weight: 600; color: var(--dark); margin-bottom: 12px; font-family: var(--font-body); line-height: 1.4; }
.solution-card p { font-size: 14px; color: #555; font-weight: 400; margin-bottom: 16px; line-height: 1.6; }
.solution-card ul { margin-bottom: 24px; flex-grow: 1; }
.solution-card ul li { position: relative; padding-left: 18px; margin-bottom: 10px; font-size: 14px; color: #444; font-weight: 400; line-height: 1.5; }
.solution-card ul li::before { content: '✦'; position: absolute; left: 0; top: 0; color: var(--gold-dark); font-size: 11px; }

.solution-link { 
  font-family: var(--font-body); font-size: 13px; font-weight: 600; color: var(--gold-dark); 
  display: inline-flex; align-items: center; gap: 8px; align-self: flex-start; transition: all 0.4s ease; margin-top: auto;
  text-decoration: none; padding: 8px 20px; border: 1px solid rgba(182, 141, 64, 0.4); border-radius: 100px; background: #FFFFFF;
}
.solution-card.centerpiece .solution-link { background: #FFFDF8; }
.solution-link i { font-size: 11px; transition: transform 0.3s; }
.solution-link:hover, .solution-card:hover .solution-link { background: var(--gold-dark) !important; color: #FFF; border-color: var(--gold-dark); box-shadow: 0 8px 20px rgba(182, 141, 64, 0.2); }
.solution-card:hover .solution-link i { transform: translateX(4px); }

/* ===== 8. ĐỒNG HÀNH KHÁCH HÀNG ===== */
.home-personas { background: var(--cream); }
.personas-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.persona-card { 
  background: #FFF; border: 1px solid var(--card-border); border-radius: 20px; 
  padding: 32px 24px; transition: all 0.3s; 
}
.persona-card:hover { transform: translateY(-8px); box-shadow: 0 15px 30px rgba(0,0,0,0.03); border-color: var(--gold-dark); }
.persona-icon { 
  width: 52px; height: 52px; border-radius: 12px; background: var(--cream); 
  display: flex; align-items: center; justify-content: center; font-size: 20px; 
  margin-bottom: 24px; border: 1px solid var(--card-border); color: var(--gold-dark);
}
.persona-card h3 { font-family: var(--font-body); font-size: 18px; font-weight: 600; color: var(--dark); margin-bottom: 12px; line-height: 1.4; }
.persona-card p { font-size: 14px; color: #555; line-height: 1.7; margin: 0; font-weight: 400;}

/* ===== 9. VÌ SAO CHỌN DIỆU TÂM ===== */
.home-why-choose { background: var(--cream); } /* Sửa thành nền Kem */
.why-choose-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 80px; align-items: start; }
.why-choose-intro { position: sticky; top: 120px; }
.why-choose-list { display: flex; flex-direction: column; gap: 24px; }
.why-item { display: flex; gap: 24px; padding: 32px; background: #FFFFFF; border-radius: 20px; border: 1px solid var(--card-border); transition: 0.3s; }
.why-item:hover { background: #FDF9EE; border-color: var(--gold-dark); transform: translateX(8px); box-shadow: 0 10px 20px rgba(0,0,0,0.02); }
.why-number { font-family: var(--font-serif); font-size: 40px; font-weight: 600; color: var(--gold-dark); font-style: italic; line-height: 1; }
.why-content h3 { font-size: 20px; font-weight: 600; color: var(--dark); margin-bottom: 8px; font-family: var(--font-body); }
.why-content p { font-size: 15px; color: #555; font-weight: 400; margin: 0; line-height: 1.7; }

/* ===== 10. CHIA SẺ & CẬP NHẬT (LAYOUT MỚI) ===== */
/* Thêm họa tiết chấm bi sang trọng cho nền Trắng */
.home-insights { 
  background-color: #FFFFFF; 
  background-image: radial-gradient(rgba(182, 141, 64, 0.1) 1.5px, transparent 1.5px);
  background-size: 28px 28px; 
}
.home-insights .section-intro.center { max-width: 700px; margin: 0 auto 56px; text-align: center; }

.insights-block { margin-bottom: 48px; }
.block-head { display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid #E2DCD0; padding-bottom: 16px; margin-bottom: 24px; }
.block-head h3 { font-family: var(--font-body); font-size: 20px; font-weight: 700; color: var(--dark); margin: 0; }
.block-head a { font-size: 14px; font-weight: 600; color: var(--gold-dark); transition: 0.3s; display: flex; align-items: center; gap: 6px; }
.block-head a:hover { color: #8A6822; transform: translateX(3px); }

/* Lưới 3 bài viết nổi bật */
.articles-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }

.article-card-new { 
  background: var(--cream); /* Đổi từ Trắng sang Kem */
  border: 1px solid var(--card-border); 
  border-radius: 20px; 
  overflow: hidden; 
  transition: 0.4s; 
  display: flex; 
  flex-direction: column; 
}
.article-card-new:hover { 
  transform: translateY(-8px); 
  box-shadow: 0 15px 35px rgba(182, 141, 64, 0.08); /* Đổi màu bóng đổ sang tone vàng ấm */
  border-color: var(--gold-dark); 
}
.article-thumb { display: block; width: 100%; aspect-ratio: 16/10; overflow: hidden; }
.article-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.8s ease; }
.article-card-new:hover .article-thumb img { transform: scale(1.08); }
.article-info { padding: 24px; flex-grow: 1; display: flex; flex-direction: column; }
.article-cate { display: inline-block; font-size: 11px; font-weight: 700; color: var(--gold-dark); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 12px; }
.article-info h4 { font-family: var(--font-body); font-size: 18px; font-weight: 600; color: var(--dark); margin-bottom: 12px; line-height: 1.4; transition: 0.3s; }
.article-info h4 a:hover { color: var(--gold-dark); }
.article-info p { font-size: 14px; color: #666; font-weight: 400; line-height: 1.6; margin: 0; }

/* Lưới 2 cột Tài liệu & Bản tin */
/* Lưới 2 cột Tài liệu & Bản tin */
.resources-news-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; }

.content-block { 
  background: var(--cream); /* Đổi từ Trắng sang Kem */
  padding: 32px; 
  border-radius: 24px; 
  border: 1px solid var(--card-border); 
  box-shadow: 0 4px 15px rgba(0,0,0,0.02); 
  height: 100%; 
}

.resource-item { 
  padding: 16px 20px; 
  background: #FFFFFF; /* Đổi từ Kem sang Trắng để nổi lên trên khối content-block */
  border-radius: 12px; 
  margin-bottom: 16px; 
  transition: 0.3s; 
  border: 1px solid var(--card-border); /* Thêm viền mỏng */
  cursor: pointer; 
}
.resource-item:hover { 
  background: #FDF9EE; 
  border-color: var(--gold-dark); 
  transform: translateX(5px); 
}
.resource-item h4 { font-family: var(--font-body); font-size: 15px; font-weight: 600; color: var(--dark); margin-bottom: 6px; display: flex; align-items: flex-start; gap: 8px; }
.resource-item h4 i { color: var(--gold-dark); font-size: 18px; margin-top: 2px; }
.resource-item p { font-size: 13px; font-weight: 400; color: #666; margin: 0; padding-left: 26px; }

.news-item { padding-bottom: 16px; margin-bottom: 16px; border-bottom: 1px dashed var(--card-border); transition: 0.3s; cursor: pointer; }
.news-item:last-child { margin-bottom: 0; padding-bottom: 0; border-bottom: none; }
.news-item:hover { transform: translateX(5px); }
.news-date { display: inline-block; font-size: 11px; font-weight: 600; color: var(--gold-dark); margin-bottom: 8px; font-family: var(--font-body); text-transform: uppercase; letter-spacing: 0.05em; background: #FDF9EE; padding: 4px 10px; border-radius: 6px; }
.news-item h4 { font-family: var(--font-body); font-size: 15px; font-weight: 600; color: var(--dark); margin: 0; line-height: 1.5; transition: 0.3s; }
.news-item:hover h4 { color: var(--gold-dark); }

/* ===== 11. TESTIMONIALS ===== */
.home-testimonials { background: #FFFFFF; }
.testimonials-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; }
.testimonial-card { background: var(--cream); padding: 48px; border-radius: 24px; border: 1px solid var(--card-border); position: relative; transition: 0.4s; }
.testimonial-card:hover { background: #FDF9EE; box-shadow: 0 15px 30px rgba(0,0,0,0.03); border-color: var(--gold-dark); }
.quote-mark { font-family: var(--font-serif); font-size: 64px; color: var(--gold-dark); line-height: 0.5; margin-bottom: 24px; }
.testimonial-text { font-size: 16px; color: #444; font-weight: 400; line-height: 1.8; margin-bottom: 32px; font-style: italic; }
.testimonial-author strong { display: block; font-size: 16px; font-weight: 700; color: var(--dark); }
.testimonial-author span { font-size: 14px; font-weight: 400; color: #888; }

/* ===== 12. FOUNDER ===== */
.home-founder-message { background: var(--cream); }
.founder-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 80px; align-items: center; }
.founder-media { position: relative; padding: 0 24px 24px 0; }
.founder-media img { border-radius: 24px; width: 100%; position: relative; z-index: 2; object-fit: cover; }
.founder-media::before { content: ''; position: absolute; top: 24px; right: 0; bottom: 0; left: 24px; border: 1px solid var(--gold-dark); border-radius: 24px; z-index: 1; }
.founder-quote { border-left: 2px solid var(--gold-dark); padding-left: 24px; margin: 32px 0; }
.founder-quote p { font-family: var(--font-body); font-style: italic; font-weight: 400; font-size: 16px; line-height: 1.8; color: #555; margin-bottom: 16px; }
.founder-sign strong { display: block; font-family: var(--font-body); font-weight: 700; font-size: 16px; color: var(--dark); margin-bottom: 4px; }
.founder-sign span { font-size: 13px; font-weight: 400; color: #888; }

.highlight-gold { color: var(--gold-dark); font-weight: 700; font-size: large; }

/* ===== 12.5. KẾT NỐI NỀN TẢNG ===== */
.home-connect { background: #FFFFFF; } 
.home-connect .section-intro { text-align: center; margin-bottom: 48px; }
.home-connect .section-intro h2 { margin-bottom: 0; }

.connect-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.connect-card {
  background: var(--cream); border: 1px solid var(--card-border); border-radius: 20px;
  padding: 40px 24px; text-align: center; display: flex; flex-direction: column; align-items: center;
  transition: all 0.4s ease; box-shadow: 0 4px 15px rgba(0,0,0,0.01);
}
.connect-card:hover { transform: translateY(-8px); box-shadow: 0 15px 35px rgba(0,0,0,0.04); border-color: #E2DCD0; }

.connect-icon {
  width: 64px; height: 64px; border-radius: 16px; display: flex; align-items: center; justify-content: center;
  font-size: 24px; margin-bottom: 24px; transition: transform 0.3s ease;
}
.connect-card:hover .connect-icon { transform: scale(1.08); }

.connect-card h3 { font-family: var(--font-body); font-size: 18px; font-weight: 700; color: var(--dark); margin-bottom: 12px; }
.connect-card p { font-size: 14px; color: #666; line-height: 1.6; margin-bottom: 24px; flex-grow: 1; font-weight: 400; }

.connect-link { 
  font-family: var(--font-body); font-size: 13px; font-weight: 700; 
  text-decoration: none; transition: 0.3s; display: inline-flex; align-items: center; gap: 4px; 
}
.connect-card:hover .connect-link { gap: 8px; }

.icon-zalo { background: #FFFFFF; color: #0068FF; border: 1px solid #EEF4FF;}
.link-zalo { color: #0068FF; }

.icon-zalo-group { background: #FFFFFF; color: #00A651; border: 1px solid #E6F8EC;}
.link-zalo-group { color: #00A651; }

.icon-fb { background: #FFFFFF; color: #4B48DF; border: 1px solid #F0EFFF;}
.link-fb { color: #4B48DF; }

.icon-course { background: #FFFFFF; color: #D4AF37; border: 1px solid #FFF8E6;}
.link-course { color: #D4AF37; }

/* ===== 13. FAQ ===== */
.home-faq { background: var(--cream); }
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 16px; }
.faq-item { background: #FFF; border: 1px solid var(--card-border); border-radius: 16px; transition: 0.3s; }
.faq-item:hover { border-color: var(--gold-dark); }
.faq-question { width: 100%; padding: 24px; background: transparent; border: none; display: flex; justify-content: space-between; align-items: center; text-align: left; cursor: pointer; font-family: var(--font-body); font-size: 16px; font-weight: 600; color: var(--dark); }
.faq-icon { color: var(--gold-dark); transition: 0.3s; }
.faq-item.is-open .faq-question { color: var(--gold-dark); padding-bottom: 12px; }
.faq-item.is-open .faq-icon { transform: rotate(180deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: 0.4s ease; }
.faq-item.is-open .faq-answer { max-height: 300px; padding: 0 24px 24px; }
.faq-answer p { font-size: 15px; font-weight: 400; color: #666; line-height: 1.7; margin: 0; }

/* ===== 14. FINAL CTA & CONTACT FORM ===== */
.home-final-cta { 
  background-color: #FFFFFF; 
  background-image: radial-gradient(rgba(182, 141, 64, 0.15) 1.5px, transparent 1.5px);
  background-size: 24px 24px; 
  padding: 90px 0; 
  border-top: 1px solid var(--card-border);
}
.cta-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 64px; align-items: center; }

.cta-content h2 { font-family: var(--font-heading); font-size: 36px; font-weight: 700; color: var(--dark); margin-bottom: 16px; line-height: 1.35; letter-spacing: -0.01em; }
.cta-content p { font-size: 15px; color: #555; line-height: 1.7; margin-bottom: 28px; font-weight: 400; }
.cta-actions { display: flex; gap: 12px; margin-bottom: 32px; flex-wrap: wrap; }
.btn-solid-gold { display: inline-flex; align-items: center; gap: 8px; height: 44px; padding: 0 24px; border-radius: 8px; background: var(--gold-dark); color: #FFF; font-family: var(--font-heading); font-size: 14px; font-weight: 600; transition: 0.3s; box-shadow: 0 4px 10px rgba(182, 141, 64, 0.2); }
.btn-solid-gold:hover { background: var(--dark); transform: translateY(-2px); box-shadow: 0 6px 15px rgba(0,0,0,0.1); color: #FFF; }
.btn-outline-dark { display: inline-flex; align-items: center; gap: 8px; height: 44px; padding: 0 24px; border-radius: 8px; background: #FFF; border: 1px solid var(--card-border); color: var(--dark); font-family: var(--font-heading); font-size: 14px; font-weight: 600; transition: 0.3s; box-shadow: 0 4px 10px rgba(0,0,0,0.02); }
.btn-outline-dark:hover { border-color: var(--dark); background: #FFF; transform: translateY(-2px); }

.cta-alert { display: flex; align-items: flex-start; gap: 12px; background: var(--cream); border: 1px solid rgba(182, 141, 64, 0.2); padding: 16px 20px; border-radius: 12px; }
.cta-alert i { color: var(--gold-dark); font-size: 16px; margin-top: 3px; }
.cta-alert span { font-size: 13px; color: #555; line-height: 1.6; }

.cta-form-card { 
  background: var(--cream); padding: 36px 32px; border-radius: 16px; 
  border: 1px solid var(--card-border); box-shadow: 0 15px 35px rgba(0,0,0,0.06); 
}
.cta-form-card h3 { font-family: var(--font-heading); font-size: 20px; font-weight: 700; color: var(--dark); margin-bottom: 4px; }
.form-desc { font-size: 13px; color: #666; margin-bottom: 24px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-family: var(--font-heading); font-size: 13px; font-weight: 600; color: var(--dark); margin-bottom: 8px; }
.input-wrapper { position: relative; }
.input-wrapper > i { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); color: var(--dark); font-size: 13px; pointer-events: none; opacity: 0.7; }
.input-wrapper input, .input-wrapper select { 
  width: 100%; height: 44px; background: #FFFFFF; border: 1px solid var(--card-border); 
  border-radius: 8px; padding: 0 16px 0 40px; font-family: var(--font-body); 
  font-size: 13px; color: var(--dark); transition: 0.3s; outline: none; 
}
.input-wrapper input:focus, .input-wrapper select:focus { border-color: var(--gold-dark); background: #FFF; box-shadow: 0 0 0 3px rgba(182, 141, 64, 0.1); }
.input-wrapper input::placeholder { color: #A0AAB5; font-weight: 400; }
.select-wrapper { position: relative; }
.select-wrapper select { appearance: none; -webkit-appearance: none; cursor: pointer; color: #555; }
.select-arrow { position: absolute; right: 14px; left: auto !important; top: 50%; transform: translateY(-50%); color: #A0AAB5 !important; font-size: 11px !important; pointer-events: none; }

.btn-submit-form { 
  width: 100%; height: 46px; 
  background: #bd7245;
  color: #FFF; border: none; border-radius: 8px; 
  font-family: var(--font-heading); font-size: 14px; font-weight: 600; 
  cursor: pointer; transition: 0.3s; display: flex; align-items: center; justify-content: center; gap: 8px; margin-top: 24px; 
}
.btn-submit-form:hover { 
  background: var(--dark);
  box-shadow: 0 6px 20px rgba(182, 141, 64, 0.25); 
  transform: translateY(-2px); 
}

/* ===== 15. FOOTER ===== */
.site-footer { background: #1A1A1A; color: #AAA; }
.footer-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr 1fr; gap: 48px; padding: 80px 0 40px; }
.footer-brand h3 { color: #FFF; font-size: 22px; font-weight: 700; margin-bottom: 8px; text-transform: uppercase; font-family: var(--font-body); }
.footer-tagline { font-family: var(--font-body); font-size: 13px; font-weight: 500; color: var(--gold-dark); letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 24px; }
.site-footer .footer-desc { font-weight: 400; font-size: 14px; color: rgba(255,255,255,0.5); line-height: 1.8; }
.site-footer h4 { color: #FFF; font-size: 15px; font-weight: 600; margin-bottom: 24px; font-family: var(--font-body); }
.site-footer ul li { margin-bottom: 16px; }
.site-footer ul li a { font-weight: 400; font-size: 14px; color: rgba(255,255,255,0.6); transition: all 0.3s ease; }
.site-footer ul li a:hover { color: var(--gold-dark); padding-left: 8px; }
.footer-contact li { font-size: 14px; font-weight: 400; color: rgba(255,255,255,0.6); display: flex; align-items: flex-start; gap: 12px; line-height: 1.6;}
.footer-contact li i { color: var(--gold-dark); margin-top: 4px; font-size: 14px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.05); padding: 24px 0; text-align: center; }
.footer-bottom p { font-size: 13px; color: rgba(255,255,255,0.3); margin: 0; }


/* ===== 16. LIÊN HỆ & VỀ TOP (STICKY/BOTTOM BAR) ===== */
.mobile-only { display: none !important; }
.mobile-only-icon { display: none; } /* Giấu icon Zalo nét trên Desktop */

/* Nút Về Top (Góc phải) */
.fab-top {
  position: fixed; bottom: 32px; right: 32px; width: 52px; height: 52px;
  border-radius: 50%; background: var(--gold-dark); color: #FFF;
  font-size: 20px; border: none; box-shadow: 0 4px 15px rgba(0,0,0,0.15);
  cursor: pointer; z-index: 9999; opacity: 0; visibility: hidden; 
  transform: translateY(20px) scale(0.8); transition: all 0.4s ease;
}
.fab-top.show { opacity: 1; visibility: visible; transform: translateY(0) scale(1); }
.fab-top:hover { background: var(--dark); transform: translateY(-4px) scale(1); }

/* Cụm liên hệ (Góc trái) */
.contact-action-bar {
  position: fixed; bottom: 32px; left: 32px; display: flex; flex-direction: column;
  gap: 16px; z-index: 9998; transition: opacity 0.4s ease;
}
.contact-action-bar.is-scrolling, .fab-top.is-scrolling { opacity: 0.4; }
.contact-action-bar:hover, .fab-top:hover { opacity: 1 !important; }

.cab-item {
  width: 52px; height: 52px; border-radius: 50%; display: flex; align-items: center;
  justify-content: center; color: #FFF; font-size: 18px; text-decoration: none;
  box-shadow: 0 4px 15px rgba(0,0,0,0.15); transition: all 0.3s ease; position: relative;
}
.cab-item:hover { transform: translateY(-4px); box-shadow: 0 8px 25px rgba(0,0,0,0.25); }

/* Quản lý hiển thị */
.desktop-only { display: block !important; }
.mobile-only-icon, .mobile-zalo-group { display: none !important; }

/* Vẽ nút Zalo Desktop siêu mượt (Bo tròn, Căn giữa tự động) */
.cab-zalo { background: #0068FF; }
.cab-zalo:hover { background: #0056D6; transform: translateY(-4px) scale(1.05); }

.zalo-text {
  font-family: Arial, sans-serif;
  font-size: 14px;
  font-weight: 600;
  color: #FFFFFF;
  letter-spacing: 0.5px;
}

.cab-messenger { background: linear-gradient(135deg, #00C6FF, #0072FF); }

/* Tooltip Desktop (Hiện chữ khi rê chuột) */
@media (min-width: 992px) {
  .cab-item::before { /* Tooltip bên trái thì hiện chữ sang bên phải */
    content: attr(aria-label); position: absolute; left: 66px; background: #1A1D24;
    color: #fff; padding: 6px 12px; border-radius: 6px; font-size: 13px;
    font-family: var(--font-body); font-weight: 600; white-space: nowrap;
    opacity: 0; visibility: hidden; transition: all 0.3s ease; pointer-events: none;
  }
  .cab-item:hover::before { opacity: 1; visibility: visible; left: 62px; }
  
  .fab-top::before { /* Tooltip bên phải thì hiện chữ sang bên trái */
    content: attr(aria-label); position: absolute; right: 66px; background: #1A1D24;
    color: #fff; padding: 6px 12px; border-radius: 6px; font-size: 13px;
    font-family: var(--font-body); font-weight: 600; white-space: nowrap;
    opacity: 0; visibility: hidden; transition: all 0.3s ease; pointer-events: none;
  }
  .fab-top:hover::before { opacity: 1; visibility: visible; right: 62px; }
}
/* ===== HIỆU ỨNG LAN TỎA (PULSE) CHO ZALO & MESSENGER (CHỈ DESKTOP) ===== */
@media (min-width: 768px) {
  /* Đặt relative để làm gốc cho vòng lan tỏa */
  .cab-messenger, .cab-zalo {
    position: relative; 
  }
  
  /* Tạo vòng tròn giả nằm dưới nút */
  .cab-messenger::after, .cab-zalo::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    z-index: -1; /* Nằm dưới màu nền của nút */
    animation: pulse-ring 2s ease-out infinite;
  }

  /* Tráng màu viền lan tỏa cho trùng với màu nút */
  .cab-zalo::after {
    border: 2px solid #0068FF;
  }
  .cab-messenger::after {
    border: 2px solid #00C6FF; 
  }

  /* Định nghĩa chuyển động lan tỏa và mờ dần */
  @keyframes pulse-ring {
    0% {
      transform: scale(1);
      opacity: 0.8;
    }
    100% {
      transform: scale(1.6); /* Phóng to ra 1.6 lần */
      opacity: 0;
    }
  }
}
/* ==========================================================================
   RESPONSIVE DESIGN (TỐI ƯU TOÀN DIỆN CHO MOBILE & TABLET)
   ========================================================================== */
@media (max-width: 1200px) {
  .values-grid { grid-template-columns: repeat(2, 1fr); border-bottom: none;}
  .value-item { border-bottom: 1px solid rgba(212, 175, 55, 0.15); border-radius: 120px 120px 20px 20px; padding: 56px 24px 40px; }
  .value-item:nth-child(2n) { border-right: none; }
  .about-grid, .why-choose-grid, .founder-grid { gap: 40px; }
  .personas-grid { grid-template-columns: repeat(2, 1fr); }
  .connect-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 991px) {
  .section-padding { padding: 80px 0; }
  
  /* Cấu hình hiển thị nút Hamburger và Ẩn thanh Menu trên Tablet/Mobile */
  .hamburger { display: block; }
  .hamburger span { background: #6A4421; } /* Đổi từ var(--dark) sang màu nâu đồng bộ với text logo */
  .header-contact { display: none; } /* Ẩn số Hotline bên phải để nhường chỗ cho Hamburger */
  
  .main-nav { background: transparent !important; box-shadow: none !important; height: 0; padding: 0; position: absolute; width: 100%; top: auto;}
  .main-nav .container { justify-content: space-between; padding: 0; height: 0; }
  #mainMenu {
    display: none; position: absolute; top: 0; left: 0; right: 0;
    flex-direction: column; height: auto; padding: 10px 0;
    background: #c49a54;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
    max-height: calc(100vh - 84px);
    overflow-y: auto;
    overflow-x: hidden;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
  }
  #mainMenu::-webkit-scrollbar { width: 5px; }
  #mainMenu::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, 0.34); border-radius: 999px; }
  #mainMenu::-webkit-scrollbar-track { background: transparent; }
  #mainMenu.open { display: flex; }
  #mainMenu > li { width: 100%; height: auto; display: block; }
  #mainMenu > li > a { min-height: 40px; height: auto; padding: 9px 20px; font-size: 14px; justify-content: flex-start; line-height: 1.3; }
  #mainMenu > li > a::after { display: none; }
  #mainMenu > li.has-submenu::after { display: none; }
  #mainMenu > li.has-submenu > a { justify-content: space-between; }
  #mainMenu > li.has-submenu > a .nav-caret { opacity: 0.92; transition: transform 0.2s ease; }
  #mainMenu > li.has-submenu.submenu-open > a .nav-caret { transform: rotate(180deg); }
  .nav-submenu {
    position: static;
    transform: none;
    min-width: 0;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    display: none;
    margin-top: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.24s ease;
  }
  #mainMenu > li.has-submenu.submenu-open > .nav-submenu {
    display: block;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }
  #mainMenu > li.has-submenu.submenu-open.submenu-hydrated > .nav-submenu {
    overflow: visible;
  }
  .nav-submenu::before,
  .nav-submenu::after { display: none; }
  .nav-submenu li {
    width: 100%;
    display: list-item;
  }
  .nav-submenu li a {
    min-height: 0;
    display: flex;
    align-items: center;
    margin: 0;
    padding: 6px 20px 6px 34px;
    color: #fff7ea !important;
    font-size: 12px;
    font-weight: 600;
    line-height: 1.45;
    border-radius: 0;
    background: transparent !important;
    border: 0 !important;
    text-shadow: none;
  }
  .nav-submenu li a .nav-submenu-label {
    display: inline !important;
    visibility: visible !important;
    opacity: 1 !important;
    color: inherit !important;
    font-size: inherit !important;
    line-height: inherit !important;
  }
  #mainMenu > li.has-submenu.submenu-open > .nav-submenu > li > a {
    display: flex !important;
    align-items: center !important;
    visibility: visible !important;
    opacity: 1 !important;
    color: #fff7ea !important;
  }
  .nav-submenu li a:hover,
  .nav-submenu li a.active {
    background: transparent !important;
    color: #ffffff !important;
  }
  
  .hero-banner { background-position: center right 30%; }
  .hero-content { padding: 40px 0; margin-left: 0; }
  .hero-content h2 { font-size: 36px; }
  
  .home-about h2, .home-philosophy h2, .home-solutions h2, .home-personas h2, 
  .home-why-choose h2, .home-insights h2, .home-testimonials h2, .home-founder-message h2, 
  .home-faq h2, .home-final-cta h2, .home-connect h2 {
    font-size: 34px;
  }
  
  .philosophy-statement { font-size: 28px !important; }
  
  .about-grid, .why-choose-grid, .founder-grid { grid-template-columns: 1fr; }
  .why-choose-intro { position: static; }
  .solutions-grid { grid-template-columns: 1fr; gap: 24px; }
  .solution-card.centerpiece { transform: scale(1); }
  .solution-card.centerpiece:hover { transform: translateY(-8px); }
  .insights-layout { grid-template-columns: 1fr; gap: 40px; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 40px; }
  
  .cta-grid { grid-template-columns: 1fr; gap: 48px; }
  .cta-content h2 { font-size: 32px; }
  .home-final-cta { padding: 70px 0; }
}

@media (max-width: 767px) {
	.container { padding: 0 20px; }
		
  /* Ép mỏng khoảng cách giữa các khối lớn */
  .section-padding { padding: 40px 0; }
  body.mobile-header-compact { --mobile-header-offset: 43px; }

/* 1. HEADER TỐI ƯU MOBILE (Dùng Fixed để luôn nổi trên cùng) */
  .top-header { 
    padding: 10px 0; 
    z-index: 1001; /* Đẩy lớp hiển thị lên cao nhất */
    position: fixed; /* Chuyển từ sticky sang fixed */
    top: 0; 
    left: 0;
    width: 100%;
    background: #FFFFFF; 
    border-bottom: 3px solid #C49A54;
    transition: padding 0.22s ease, box-shadow 0.22s ease;
  }
  body.mobile-header-compact .top-header { padding: 0; }
  .header-row { flex-direction: row; justify-content: space-between; align-items: center; }
  
  .brand-block { flex-direction: row; gap: 0px; align-items: center; }
  .brand-logo img { height: 40px; } 
  .brand-text { display: block; }
  .brand-text h1 { font-size: 13px; margin: 0; line-height: 1.2; color: #6A4421; }
  .brand-text p { display: none; } 
  
  /* Cố định thanh Menu vàng thả xuống ngay dưới Header */
  .main-nav {
    position: fixed !important;
    top: var(--mobile-header-offset, 63px) !important; /* Neo ngay dưới mép của Header */
    width: 100%;
    z-index: 1000;
    transition: top 0.22s ease;
  }
  #mainMenu { top: 0; padding: 8px 0; }
  #mainMenu {
    max-height: calc(100vh - var(--mobile-header-offset, 63px));
    max-height: calc(100dvh - var(--mobile-header-offset, 63px));
    padding-bottom: max(8px, env(safe-area-inset-bottom));
  }
  #mainMenu > li > a { min-height: 36px; padding: 7px 18px; font-size: 13px; }
  .nav-submenu li a {
    padding: 5px 18px 5px 28px;
    font-size: 11px;
  }

  /* 2. HERO BANNER - TỐI ƯU MOBILE */
  .hero-banner {
    background-image: url('../images/site/banner-mobile.jpg') !important; 
    min-height: auto; 
    padding: 15px 0 40px 0;
    margin-top: var(--mobile-header-offset, 63px); /* Bù lại khoảng không gian Header fixed */
  }
  .hero-content {
    padding: 0; margin: 0;
    text-align: center; 
    max-width: 100%;
    display: flex; flex-direction: column; align-items: center;
  }
  .hero-eyebrow { 
    font-size: 8px; margin-bottom: 8px; color: #6A4421; font-weight: 700;
  }
  .hero-content h2 { 
    font-size: 20px; /* Thu nhỏ tiêu đề theo yêu cầu */
    margin-bottom: 10px; line-height: 1.3; color: #6A4421;
  }
  
  /* Ảnh Oval Mobile (Hình viên thuốc) */
  .mobile-hero-image {
    display: block; width: 100%; margin-bottom: 15px; padding: 0 16px;
  }
  .mobile-hero-image img {
    width: 100%; height: 140px; 
    object-fit: cover;
    object-position: right center;
    border-radius: 80px; 
    box-shadow: 0 10px 20px rgba(0,0,0,0.08);
	border: solid 1px #edc381;
  }

  /* Danh sách tính năng */
  .hero-features { width: 100%; padding: 0; text-align: left; margin-bottom: 24px; }
  .hero-features li { font-size: 14px; color: #333; gap: 12px; margin-bottom: 3px; font-weight: 600;}
  .hero-features li i { font-size: 14px; color: #15803D; }

  /* Nút bấm (Stack dọc) */
  .hero-actions { width: 100%; padding: 0 16px; flex-direction: column; gap: 12px; margin-bottom: 0; margin-top: 0;}
  .btn-primary-orange { 
    background: #b26535; width: 100%; height: 48px; font-size: 14px; font-weight: 500; border: none;
  }
  .btn-outline-brown { 
    background: #FFFFFF; border: 2px solid #C28965; color: #b25b24;
    width: 100%; height: 48px; font-size: 15px; font-weight: 500;
  }

  /* TIÊU ĐỀ CHUNG NHỎ GỌN */
  .home-about h2, .home-philosophy h2, .home-solutions h2, .home-personas h2,
  .home-why-choose h2, .home-insights h2, .home-testimonials h2, .home-founder-message h2,
  .home-faq h2, .home-final-cta h2, .home-connect h2 { font-size: 22px; line-height: 1.3; margin-bottom: 8px; }
  .section-intro { margin-bottom: 24px; }
  .section-intro p { font-size: 13px; line-height: 1.6; }
  .section-label { font-size: 10px; margin-bottom: 12px; gap: 8px; }

  /* 3. GIÁ TRỊ NỔI BẬT - Ép thành 2 cột */
  .values-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .value-item { padding: 20px 12px; border-radius: 12px; border: 1px solid var(--card-border); }
  .value-icon { width: 40px; height: 40px; font-size: 16px; margin: 0 auto 10px; }
  .value-item h3 { font-size: 14px; margin-bottom: 6px; }
  .value-item p { font-size: 11px; }

/* VỀ CHÚNG TÔI - Highlight card Bento Box Mobile */
  .about-content p { font-size: 14px; line-height: 1.6; margin-bottom: 12px; }
  
  .btn-desktop { display: none !important; } /* Giấu nút của Desktop đi */
  .btn-mobile { display: flex; width: 100%; height: 44px; font-size: 13px; margin-top: 16px; margin-bottom: 8px; } /* Hiện nút dưới cùng lên */
  
  .about-highlights { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .highlight-card { padding: 16px 12px; border-radius: 12px; gap: 12px; }
  .highlight-card i { width: 36px; height: 36px; font-size: 14px; border-radius: 8px;}
  .highlight-card h3 { font-size: 13px; }

  /* 4. TRIẾT LÝ HOẠT ĐỘNG - Tag chia 2 cột */
  .home-philosophy .section-intro.center { margin-bottom: 20px; text-align: left; }
  .philosophy-statement { font-size: 16px !important; line-height: 1.5 !important; text-align: left; }
  .philosophy-tags { flex-direction: row; flex-wrap: wrap; justify-content: space-between; gap: 8px; }
  .phil-tag { width: calc(50% - 4px); justify-content: center; padding: 10px; font-size: 12px; gap: 6px; }

  /* GIẢI PHÁP ĐỒNG HÀNH - Cắt xén ảnh và lề */
  .solutions-grid { grid-template-columns: 1fr; gap: 16px; }
  .solution-card.centerpiece { transform: none; box-shadow: 0 4px 15px rgba(0,0,0,0.03); }
  .solution-image { height: 120px; }
  .solution-icon-float { width: 36px; height: 36px; font-size: 14px; top: 102px; right: 12px; border-radius: 10px; }
  .solution-body { padding: 20px 16px 16px; }
  .solution-card h3 { font-size: 16px; margin-bottom: 8px; }
  .solution-card p { font-size: 13px; margin-bottom: 10px; line-height: 1.5; }
  .solution-card ul { margin-bottom: 16px; }
  .solution-card ul li { font-size: 12px; margin-bottom: 6px; padding-left: 14px; }
  .solution-link { font-size: 12px; padding: 6px 16px; }

  /* PERSONAS (ĐỒNG HÀNH) - Ép thành 2 cột */
  .personas-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .persona-card { padding: 16px 12px; border-radius: 12px; }
  .persona-icon { width: 36px; height: 36px; font-size: 16px; margin-bottom: 12px; border-radius: 8px; }
  .persona-card h3 { font-size: 13px; margin-bottom: 6px; }
  .persona-card p { font-size: 11px; line-height: 1.5; }

  /* VÌ SAO CHỌN DIỆU TÂM - Xếp ngang cho đỡ tốn dòng */
  .why-choose-list { gap: 12px; }
  .why-item { padding: 16px; gap: 12px; flex-direction: row; align-items: flex-start; border-radius: 12px; }
  .why-number { font-size: 24px; line-height: 1; margin: 0; }
  .why-content h3 { font-size: 14px; margin-bottom: 4px; }
  .why-content p { font-size: 12px; line-height: 1.5; }

/* 5. CHIA SẺ & CẬP NHẬT (MOBILE) */
  .home-insights .section-intro.center { margin-bottom: 32px; text-align: left; }
  .articles-grid { grid-template-columns: 1fr; gap: 20px; }
  .article-card-new { border-radius: 16px; }
  .article-info { padding: 16px; }
  .article-info h4 { font-size: 16px; margin-bottom: 8px; }
  .article-info p { font-size: 13px; }
  
  .resources-news-grid { grid-template-columns: 1fr; gap: 24px; }
  .content-block { padding: 20px 16px; border-radius: 16px; }
  .block-head { padding-bottom: 12px; margin-bottom: 16px; }
  .block-head h3 { font-size: 16px; }
  .resource-item { padding: 12px; margin-bottom: 12px; }
  .resource-item h4 { font-size: 14px; }
  .resource-item p { font-size: 12px; padding-left: 22px; }

  /* TESTIMONIALS */
  .testimonials-grid { gap: 16px; }
  .testimonial-card { padding: 24px 20px; border-radius: 16px; }
  .quote-mark { font-size: 40px; margin-bottom: 12px; }
  .testimonial-text { font-size: 13px; line-height: 1.6; margin-bottom: 20px; }
  .testimonial-author strong { font-size: 14px; }
  .testimonial-author span { font-size: 12px; }

  /* FOUNDER */
  .founder-grid { gap: 24px; }
  .founder-quote { margin: 20px 0; padding-left: 16px; }
  .founder-quote p { font-size: 13px; margin-bottom: 10px; }

  /* KẾT NỐI - Ép thành 2 cột */
  .connect-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .connect-card { padding: 16px 12px; border-radius: 12px; }
  .connect-icon { width: 40px; height: 40px; font-size: 16px; margin-bottom: 12px; border-radius: 10px; }
  .connect-card h3 { font-size: 13px; margin-bottom: 6px; }
  .connect-card p { font-size: 11px; margin-bottom: 12px; line-height: 1.4; }
  .connect-link { font-size: 11px; }

  /* FAQ */
  .faq-list { gap: 10px; }
  .faq-item { border-radius: 12px; }
  .faq-question { padding: 16px; font-size: 13px; }
  .faq-item.is-open .faq-answer { padding: 0 16px 16px; }
  .faq-answer p { font-size: 12px; }

  /* FINAL CTA */
  .cta-content h2 { font-size: 22px; }
  .cta-content p { font-size: 13px; margin-bottom: 20px; }
  .cta-form-card { padding: 20px 16px; border-radius: 12px; }
  .cta-form-card h3 { font-size: 16px; }
  .form-desc { font-size: 12px; margin-bottom: 16px; }
  .input-wrapper input, .input-wrapper select { height: 40px; font-size: 12px; }
  .btn-submit-form { height: 42px; font-size: 13px; margin-top: 16px; }

  /* 6. FOOTER */
  .footer-grid { grid-template-columns: 1fr; gap: 20px; padding: 32px 0 16px; text-align: left; }
  .footer-brand h3 { font-size: 16px; }
  .site-footer h4 { margin-bottom: 12px; font-size: 13px; }
  .footer-contact li { font-size: 12px; justify-content: flex-start; }
  .footer-tagline, .footer-desc { display: none; }
  
/* 16. LIÊN HỆ & VỀ TOP (MOBILE BOTTOM BAR - LUXURY STYLE) */
  .mobile-only { display: flex !important; }
  .desktop-only { display: none !important; } 
  .mobile-only-icon, .mobile-zalo-text { display: block !important; }

  /* Nền vàng nhạt, thanh menu mảnh mai (48px) */
  .contact-action-bar {
    bottom: 0; left: 0; width: 100%; height: 48px; 
    flex-direction: row; justify-content: space-between; align-items: center;
    background: #FDF9EE; /* Màu Vàng Nhạt / Kem sữa */
    padding: 0; 
    border-top: 1px solid #F0E6D2;
    box-shadow: 0 -4px 15px rgba(106, 68, 33, 0.05);
    gap: 0;
  }
  .contact-action-bar.is-scrolling { opacity: 1 !important; }

  /* Bỏ chữ, căn giữa icon, phủ màu Nâu Đồng */
  .cab-item {
    flex: 1; height: 100%; border-radius: 0; box-shadow: none; background: transparent;
    display: flex; flex-direction: row; justify-content: center; align-items: center;
    color: #8A6822; /* Màu Vàng Nâu đồng nhất và sang trọng */
    position: relative;
    transition: background 0.2s;
  }
  .cab-item:hover, .cab-item:active { transform: none; box-shadow: none; background: #F5E8CC; color: #6A4421; }
  
  /* Vách ngăn siêu mỏng, thanh lịch */
  .cab-item:not(:last-child)::after {
    content: ''; position: absolute; right: 0; top: 30%; height: 40%; 
    width: 1px; background: #EEDCAE;
  }

  /* Phóng to icon vì đã ẩn chữ */
  .cab-item i { font-size: 22px; }
  
  /* Triệt tiêu màu xanh của Desktop */
  .cab-zalo { background: transparent; } 
  .cab-messenger { background: transparent; } 

  /* Nút Về Top đẩy xuống xíu cho cân đối */
  .fab-top { bottom: 64px; right: 16px; width: 40px; height: 40px; font-size: 14px; }
/* Hiển thị cụm Zalo trên Mobile */
  .mobile-zalo-group { display: flex !important; } 

  /* Định dạng cụm Icon + Chữ (Chống rớt dòng tuyệt đối) */
  .mobile-zalo-group {
    align-items: center;
    justify-content: center;
    gap: 6px; /* Khoảng cách siêu nhỏ giữa icon và chữ */
    white-space: nowrap; /* Lệnh "phép thuật" ép không bao giờ rớt xuống 2 dòng */
    animation: wiggle-icon 3s ease-in-out infinite; /* Rung lắc cả cụm */
    transform-origin: center;
  }
  
  /* Cân đối tỷ lệ Icon và Chữ */
  .mobile-zalo-group i {
    font-size: 17px !important; /* Thu nhỏ icon lại một xíu */
    margin: 0;
  }
  .mobile-zalo-group span {
    font-family: Arial, sans-serif;
    font-size: 15px;
    font-weight: 800;
    letter-spacing: 0.5px;
    line-height: 1;
    text-transform: none; /* Bỏ in hoa nếu lỡ bị dính từ thẻ cha */
  }

  /* Định nghĩa nhịp rung: Nằm im 80% thời gian, chỉ rung nhẹ 20% cuối */
  @keyframes wiggle-icon {
    0%, 80%, 100% { 
      transform: rotate(0deg) scale(1); 
    }
    85% { 
      transform: rotate(-8deg) scale(1.08); /* Phóng to và nghiêng nhẹ */
    }
    90% { 
      transform: rotate(8deg) scale(1.08); 
    }
    95% { 
      transform: rotate(-8deg) scale(1.08); 
    }
  }
}