/* ======= HERO LEFT - CLEAN & PREMIUM REDESIGN ======= */

.seochatgpt-hero-wrapper {
  padding: 10px 0;
  font-family: 'Inter', system-ui, sans-serif;
}

/* 1. Meta Top: Gộp AI Status và Sub-badge */
.vlink-hero-meta-top {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 25px;
}

.vlink-ai-status {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(1, 45, 94, 0.04);
  padding: 6px 14px;
  border-radius: 100px;
  width: fit-content;
  border: 1px solid rgba(1, 45, 94, 0.08);
}

.vlink-dot {
  width: 8px; height: 8px;
  background: #22c55e;
  border-radius: 50%;
  box-shadow: 0 0 10px rgba(34, 197, 94, 0.5);
  animation: vlink-pulse 2s infinite;
}

.vlink-status-text {
  font-size: 11px;
  font-weight: 800;
  color: #012d5e;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.seochatgpt-badge-sub {
  font-size: 13px;
  font-weight: 600;
  color: #64748b;
  letter-spacing: 0.02em;
  padding-left: 5px;
}

/* 2. H1: Uy lực và tối giản */
.seochatgpt-h1 {
  font-size: clamp(2.0rem, 5vw, 3.8rem);
  font-weight: 950;
  color: #0b1220;
  line-height: 1.05;
  letter-spacing: -0.05em;
  margin: 0 0 20px 0 !important;
}

/* 3. Lead & Points */
.seochatgpt-lead {
  font-size: 1.15rem;
  line-height: 1.65;
  color: #475569;
  max-width: 600px;
  margin-bottom: 30px;
}

.seochatgpt-points {
  list-style: none;
  padding: 0;
  margin: 0 0 35px 0;
  display: grid;
  gap: 14px;
}

.seochatgpt-points li {
  position: relative;
  padding-left: 32px;
  font-size: 15px;
  color: #475569;
  line-height: 1.5;
}

.seochatgpt-points li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: #007aff;
  font-weight: 900;
  font-size: 18px;
}

.seochatgpt-points li strong {
  color: #0f172a;
}

/* 4. Actions & Buttons */
.seochatgpt-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
}

.seochatgpt-btn {
  padding: 15px 30px;
  border-radius: 12px;
  font-weight: 800;
  font-size: 15px;
  transition: all 0.3s ease;
  text-decoration: none !important;
}

.seochatgpt-btn-primary {
  background: #012d5e;
  color: #fff !important;
  box-shadow: 0 10px 25px rgba(1, 45, 94, 0.2);
}

.seochatgpt-btn-primary:hover {
  background: #000;
  transform: translateY(-2px);
}

.seochatgpt-btn-ghost {
  border: 1px solid #e2e8f0;
  color: #012d5e !important;
}

/* 5. Footer & Animation */
.seochatgpt-footer-meta {
  margin-top: 30px;
  padding-top: 20px;
  border-top: 1px solid #f1f5f9;
}

.seochatgpt-mini { font-size: 14px; color: #64748b; margin-bottom: 8px; }
.seochatgpt-disclaimer { font-size: 12px; color: #94a3b8; font-style: italic; border-left: 3px solid #f1f5f9; padding-left: 15px; }

@keyframes vlink-pulse {
  0% { transform: scale(0.9); opacity: 1; }
  70% { transform: scale(1.2); opacity: 0.5; }
  100% { transform: scale(0.9); opacity: 1; }
}

/* Mobile */
@media (max-width: 768px) {
  .seochatgpt-h1 { font-size: 2.5rem; }
  .seochatgpt-btn { width: 100%; text-align: center; }
}



/* ======= HERO RIGHT (ORBIT / CIRCLE) ======= */

#vlink-seo-chatgpt-hero {
  --core-color: #012d5e;
  --bg-glass: rgba(255, 255, 255, 0.9);
  position: relative;
  width: 100%;
  height: 480px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
}

#vlink-seo-chatgpt-hero .vlink-orbit-scene {
  position: relative;
  width: 400px;
  height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Lõi trung tâm với hiệu ứng Pulse */
#vlink-seo-chatgpt-hero .vlink-orbit-core {
  position: absolute;
  z-index: 10;
  width: 100px;
  height: 100px;
  background: var(--core-color);
  border-radius: 50%;
  border: 4px solid #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 30px rgba(1, 45, 94, 0.15);
}

.vlink-core-text { text-align: center; color: #fff; z-index: 2; }
.vlink-core-label { font-size: 8px; font-weight: 600; display: block; opacity: 0.8; letter-spacing: 1px;}
.vlink-core-brand { font-size: 16px; font-weight: 800; }

.vlink-core-pulse {
  position: absolute;
  width: 100%; height: 100%;
  background: var(--core-color);
  border-radius: 50%;
  opacity: 0.3;
  animation: vlinkPulse 3s ease-out infinite;
}

/* Vệ tinh: Đặt vị trí cố định xung quanh */
#vlink-seo-chatgpt-hero .vlink-sat-box {
  position: absolute;
  z-index: 15;
}

/* Tọa độ cố định giúp người dùng dễ đọc */
.s1 { top: 10%; left: 50%; transform: translateX(-50%); animation: vlinkFloat 4s ease-in-out infinite; }
.s2 { top: 50%; right: -10%; transform: translateY(-50%); animation: vlinkFloat 5s ease-in-out infinite 1s; }
.s3 { bottom: 10%; left: 50%; transform: translateX(-50%); animation: vlinkFloat 4.5s ease-in-out infinite 0.5s; }
.s4 { top: 50%; left: -10%; transform: translateY(-50%); animation: vlinkFloat 5.5s ease-in-out infinite 1.5s; }

/* Card vệ tinh thiết kế sạch sẽ */
#vlink-seo-chatgpt-hero .vlink-sat-card {
  background: var(--bg-glass);
  backdrop-filter: blur(10px);
  padding: 12px 18px;
  border-radius: 16px;
  border: 1px solid rgba(1, 45, 94, 0.1);
  box-shadow: 0 10px 25px rgba(0,0,0,0.08);
  min-width: 160px;
  transition: all 0.3s ease;
}

#vlink-seo-chatgpt-hero .vlink-sat-card:hover {
  transform: scale(1.05);
  border-color: var(--core-color);
  box-shadow: 0 15px 35px rgba(1, 45, 94, 0.15);
}

.vlink-sat-title { display: block; font-weight: 800; font-size: 14px; color: var(--core-color); margin-bottom: 3px; }
.vlink-sat-desc { display: block; font-size: 12px; color: #444; line-height: 1.3; }

/* Vòng quỹ đạo ẩn tinh tế */
.vlink-orbit-line {
  position: absolute;
  width: 300px; height: 300px;
  border: 1px dashed rgba(1, 45, 94, 0.1);
  border-radius: 50%;
  pointer-events: none;
}

/* Hiệu ứng chuyển động */
@keyframes vlinkFloat {
  0%, 100% { transform: translate(var(--tw-translate-x), 0); }
  50% { transform: translate(var(--tw-translate-x), -15px); }
}

/* Fix cho translate của s2, s4 */
.s1, .s3 { --tw-translate-x: -50%; }
.s2, .s4 { --tw-translate-x: 0; }

@keyframes vlinkPulse {
  0% { transform: scale(1); opacity: 0.5; }
  100% { transform: scale(1.8); opacity: 0; }
}

/* Mobile */
@media (max-width: 767px) {
  #vlink-seo-chatgpt-hero .vlink-orbit-scene { transform: scale(0.7); }
}


/* ======= SECTION: FIT (GLOBAL STANDARD) ======= */
#vlink-seochatgpt-fit {
  max-width: 1300px;
  margin: 40px auto;
  padding: 20px;
  font-family: "Inter", system-ui, sans-serif;
}

#vlink-seochatgpt-fit .seochatgpt-h2 {
  font-size: clamp(26px, 3vw, 36px);
  font-weight: 850;
  color: #0f172a;
  letter-spacing: -0.03em;
  margin-bottom: 15px;
  text-align: center;
}

#vlink-seochatgpt-fit .seochatgpt-lead {
  font-size: 17px;
  line-height: 1.6;
  color: #475569;
  max-width: 800px;
  margin-bottom: 40px;
}

/* Grid System */
#vlink-seochatgpt-fit .seochatgpt-grid2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

/* Box Styling */
#vlink-seochatgpt-fit .seochatgpt-box {
  position: relative;
  background: #ffffff;
  border-radius: 24px;
  padding: 30px;
  border: 1px solid #e2e8f0;
  transition: all 0.3s ease;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
}

#vlink-seochatgpt-fit .seochatgpt-box:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.05);
}

/* Box Header & Tags */
.box-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 25px;
}

#vlink-seochatgpt-fit .seochatgpt-h3 {
  font-size: 19px;
  font-weight: 800;
  color: #0f172a;
  margin: 0;
}

.vlink-status-tag {
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.tag-green { background: #dcfce7; color: #166534; }
.tag-orange { background: #fff7ed; color: #9a3412; }

/* List Styling */
#vlink-seochatgpt-fit .seochatgpt-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 14px;
}

#vlink-seochatgpt-fit .seochatgpt-list li {
  position: relative;
  padding-left: 32px;
  font-size: 15px;
  line-height: 1.5;
  color: #334155;
}

/* Custom Check Icons */
#vlink-seochatgpt-fit .seochatgpt-box-positive .seochatgpt-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: #22c55e;
  font-weight: 900;
  font-size: 18px;
}

/* Custom Cross Icons */
#vlink-seochatgpt-fit .seochatgpt-box-negative .seochatgpt-list li::before {
  content: "✕";
  position: absolute;
  left: 0;
  color: #ef4444;
  font-weight: 900;
  font-size: 16px;
  top: 2px;
}

/* Specific Border Accents */
.seochatgpt-box-positive { border-top: 5px solid #22c55e !important; }
.seochatgpt-box-negative { border-top: 5px solid #f97316 !important; }

/* Mobile Responsive */
@media (max-width: 849px) {
  #vlink-seochatgpt-fit .seochatgpt-grid2 {
    grid-template-columns: 1fr;
  }
  #vlink-seochatgpt-fit .seochatgpt-box {
    padding: 20px;
  }
}

/* ======= SECTION: DEFINITION (GLOBAL STANDARD TABLE) ======= */
#vlink-seochatgpt-definition {
  max-width: 1300px;
  margin: 60px auto;
  padding: 0 20px;
}

#vlink-seochatgpt-definition .seochatgpt-h2 {
  font-size: clamp(28px, 3.5vw, 38px);
  font-weight: 850;
  color: #0f172a;
  letter-spacing: -0.04em;
  margin-bottom: 20px;
}

#vlink-seochatgpt-definition .seochatgpt-lead {
  font-size: 17.5px;
  line-height: 1.7;
  color: #475569;
  max-width: 850px;
  margin-bottom: 40px;
}

/* Table Wrapper - Chống tràn và bo góc */
#vlink-seochatgpt-definition .seochatgpt-tablewrap {
  border-radius: 20px;
  border: 1px solid #e2e8f0;
  background: #ffffff;
  box-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.05);
  overflow: hidden;
}

/* Table Core */
#vlink-seochatgpt-definition .seochatgpt-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
  line-height: 1.5;
  text-align: left;
}

/* Table Head */
#vlink-seochatgpt-definition .seochatgpt-table thead th {
  padding: 20px 24px;
  background: #f8fafc;
  color: #0f172a;
  font-weight: 800;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 2px solid #edf2f7;
}

/* Highlight Column Header */
#vlink-seochatgpt-definition .vlink-highlight-col {
  color: #012d5e !important;
  background: rgba(1, 45, 94, 0.03) !important;
}

/* Table Body */
#vlink-seochatgpt-definition .seochatgpt-table tbody td {
  padding: 22px 24px;
  border-bottom: 1px solid #f1f5f9;
  vertical-align: middle;
  color: #475569;
}

/* First Column - Tiêu chí */
#vlink-seochatgpt-definition .seochatgpt-table tbody td:first-child {
  width: 25%;
  background: #fcfdfe;
  color: #0f172a;
  font-weight: 700;
  border-right: 1px solid #f1f5f9;
}

/* Third Column - SEO ChatGPT Highlight */
#vlink-seochatgpt-definition .seochatgpt-table tbody td:nth-child(3) {
  background: rgba(1, 45, 94, 0.015);
  color: #0f172a;
  font-weight: 600;
  border-left: 2px solid rgba(1, 45, 94, 0.05);
}

/* Hover Effect */
#vlink-seochatgpt-definition .seochatgpt-table tbody tr:hover {
  background: #fcfdfe;
}

#vlink-seochatgpt-definition .seochatgpt-table tbody tr:hover td:nth-child(3) {
  background: rgba(1, 45, 94, 0.03);
}

/* Responsive */
@media (max-width: 768px) {
  #vlink-seochatgpt-definition .seochatgpt-tablewrap {
    overflow-x: auto;
  }
  #vlink-seochatgpt-definition .seochatgpt-table {
    min-width: 700px; /* Force scroll on mobile to keep table readable */
  }
  #vlink-seochatgpt-definition .seochatgpt-h2 {
    font-size: 24px;
  }
}


/* ======= SECTION: PROOF & COMMITMENT (GLOBAL STANDARD) ======= */
/* Namespace: #vlink-seochatgpt-proof 
   Mục tiêu: Xây dựng lòng tin (Trust Building) thông qua thiết kế minh bạch, sạch sẽ.
*/

#vlink-seochatgpt-proof {
  /* Khai báo biến để đồng bộ màu sắc thương hiệu VLINK ASIA */
  --vlink-blue: #012d5e;
  --vlink-light-blue: #007aff;
  --vlink-text: #334155;
  --vlink-bg-card: #ffffff;
  --vlink-border: #e2e8f0;
  
  background-color: #ffffff; 
  padding: 80px 0; /* Tăng khoảng cách để trang "thở" chuẩn quốc tế */
}

/* Container nội dung */
.vlink-seochatgpt-proof-inner {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Heading chính - Ưu tiên NLP với từ khóa quan trọng */
.seochatgpt-h2 {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 850;
  color: #0f172a;
  margin-bottom: 20px;
  letter-spacing: -0.04em;
  line-height: 1.1;
}

/* Đoạn dẫn dắt - Tối ưu readability */
.seochatgpt-lead {
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--vlink-text);
  max-width: 850px;
  margin-bottom: 50px;
}

/* Grid Layout - Tự động thích ứng thiết kế (Responsive-first) */
.seochatgpt-grid2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 30px;
}

/* Premium Card Style - Hiệu ứng chiều sâu (Depth) */
.seochatgpt-box {
  position: relative;
  background: var(--vlink-bg-card);
  border-radius: 24px;
  padding: 45px;
  border: 1px solid var(--vlink-border);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
  transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
  display: flex;
  flex-direction: column;
}

/* Hiệu ứng tương tác nâng cao */
.seochatgpt-box:hover {
  transform: translateY(-8px);
  box-shadow: 0 25px 50px -12px rgba(1, 45, 94, 0.12);
  border-color: var(--vlink-blue);
}

/* Đường kẻ điểm nhấn phía trên (Visual Anchor) */
.vlink-box-accent {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 6px;
  border-radius: 24px 24px 0 0;
}
.seochatgpt-box-proof .vlink-box-accent { background: var(--vlink-blue); }
.seochatgpt-box-commit .vlink-box-accent { background: var(--vlink-light-blue); }

/* Tiêu đề nhóm - Kết hợp Icon SVG cho trực quan */
.seochatgpt-h3 {
  font-size: 22px;
  font-weight: 800;
  color: var(--vlink-blue);
  margin-bottom: 30px;
  display: flex;
  align-items: center;
  gap: 14px;
}

.vlink-icon {
  color: var(--vlink-light-blue);
  flex-shrink: 0;
}

/* Tối ưu hóa danh sách (List Optimization) cho AI Scrape */
.seochatgpt-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.seochatgpt-list li {
  position: relative;
  padding-left: 32px;
  font-size: 15.5px;
  line-height: 1.6;
  color: #475569;
}

/* Custom Checkmark Icon - Biểu tượng của sự hoàn tất và tin cậy */
.seochatgpt-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 4px;
  width: 20px; height: 20px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23012d5e'%3E%3Cpath d='M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z'/%3E%3C/svg%3E") no-repeat center;
  background-size: contain;
}

/* Nhấn mạnh từ khóa trong danh sách */
.seochatgpt-list li strong {
  color: #0f172a;
}

/* Chân trang của Section - CTA phụ */
.vlink-proof-footer {
  margin-top: 50px;
  padding-top: 30px;
  border-top: 1px solid #f1f5f9;
  text-align: center;
}

.seochatgpt-mini {
  font-size: 14.5px;
  color: #64748b;
}

.seochatgpt-mini a {
  color: var(--vlink-blue);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* Responsive tinh chỉnh cho Mobile & Tablet */
@media (max-width: 768px) {
  #vlink-seochatgpt-proof { padding: 50px 0; }
  .seochatgpt-box { padding: 35px 25px; }
  .seochatgpt-h2 { font-size: 26px; }
  .seochatgpt-h3 { font-size: 20px; }
}

/* ======= SECTION: OFFER (PRICING & SCOPE) ======= */
/* Namespace: #seochatgpt-offer 
   Sử dụng Grid & Flexbox hiện đại, chống xung đột CSS Flatsome.
*/

#seochatgpt-offer {
  --vlink-blue: #012d5e;
  --vlink-light-blue: #007aff;
  --vlink-border: #e2e8f0;
  padding: 60px 0;
  background-color: #ffffff;
}

.vlink-seochatgpt-offer-inner {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 15px;
}

.seochatgpt-h2 {
  font-size: clamp(28px, 4vw, 38px);
  font-weight: 850;
  color: #0f172a;
  margin-bottom: 20px;
  letter-spacing: -0.04em;
}

.seochatgpt-lead {
  font-size: 1.1rem;
  line-height: 1.7;
  color: #475569;
  max-width: 850px;
  margin-bottom: 45px;
}

/* Table Design: Enterprise Analytics Style */
.seochatgpt-tablewrap {
  border-radius: 20px;
  border: 1px solid var(--vlink-border);
  background: #ffffff;
  box-shadow: 0 10px 30px rgba(0,0,0,0.03);
  overflow-x: auto; /* Hỗ trợ Mobile */
  margin-bottom: 50px;
}

.seochatgpt-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  min-width: 800px;
}

.seochatgpt-table thead th {
  padding: 20px 24px;
  background: #f8fafc;
  color: var(--vlink-blue);
  font-weight: 800;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 2px solid #edf2f7;
}

.seochatgpt-table tbody td {
  padding: 25px 24px;
  border-bottom: 1px solid #f1f5f9;
  font-size: 15px;
  color: #334155;
  vertical-align: top;
}

/* Package Label & Badge */
.pkg-name {
  font-weight: 850;
  font-size: 18px;
  color: var(--vlink-blue);
}

.pkg-badge {
  display: inline-block;
  background: var(--vlink-blue);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 100px;
  margin-top: 5px;
  text-transform: uppercase;
}

/* Highlight Growth Row */
.package-growth {
  background-color: rgba(1, 45, 94, 0.015);
}

/* Scope Box Styling */
.seochatgpt-scope-container {
  background: #f8fafc;
  border-radius: 24px;
  padding: 40px;
  border: 1px solid var(--vlink-border);
}

.seochatgpt-h3 {
  font-size: 22px;
  font-weight: 800;
  color: #0f172a;
  margin-bottom: 30px;
}

.scope-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.scope-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 800;
  padding: 4px 12px;
  border-radius: 4px;
  margin-bottom: 20px;
  letter-spacing: 0.05em;
}

.tag-done { background: #dcfce7; color: #166534; }
.tag-no { background: #fee2e2; color: #991b1b; }

.scope-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.scope-list li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 12px;
  font-size: 14.5px;
  line-height: 1.5;
  color: #475569;
}

/* Icons for Scope List */
.in-scope li::before { content: "✓"; position: absolute; left: 0; color: #166534; font-weight: 900; }
.out-scope li::before { content: "✕"; position: absolute; left: 0; color: #991b1b; font-weight: 900; }

/* Footer Link */
.vlink-offer-footer {
  margin-top: 30px;
  text-align: center;
}

.seochatgpt-mini a {
  color: var(--vlink-blue);
  font-weight: 700;
  text-decoration: underline;
}

/* Mobile Responsive */
@media (max-width: 850px) {
  .scope-grid { grid-template-columns: 1fr; gap: 30px; }
  .seochatgpt-scope-container { padding: 30px 20px; }
}


/* ======= SECTION: SOURCES (GRID 2X2) ======= */
/* Scoped: #seochatgpt-sources 
   Thiết kế dạng ma trận 2x2 để khách hàng thấy được sự cân bằng của hệ thống.
*/

#seochatgpt-sources {
  --vlink-blue: #012d5e;
  --vlink-accent: #007aff;
  padding: 60px 0;
}

.seochatgpt-grid-2x2 {
  display: grid;
  /* Dàn trang 2 cột cố định trên Desktop */
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.seochatgpt-box {
  background: #ffffff;
  border-radius: 20px;
  padding: 35px;
  border: 1px solid #e2e8f0;
  transition: all 0.3s ease;
  position: relative;
  display: flex;
  flex-direction: column;
}

.seochatgpt-box:hover {
  transform: translateY(-5px);
  border-color: var(--vlink-accent);
  box-shadow: 0 15px 35px rgba(1, 45, 94, 0.08);
}

.box-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 25px;
}

.seochatgpt-h3 {
  font-size: 22px;
  font-weight: 850;
  color: var(--vlink-blue);
  margin: 0;
}

.seochatgpt-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  color: #64748b;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 5px;
}

.box-icon {
  font-size: 36px;
  font-weight: 900;
  color: rgba(1, 45, 94, 0.05);
  line-height: 1;
}

.seochatgpt-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.seochatgpt-list li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 12px;
  font-size: 15px;
  line-height: 1.5;
  color: #4b5563;
}

.seochatgpt-list li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--vlink-accent);
  font-weight: bold;
}

/* Border Accent cho 2x2 */
.box-relevance { border-top: 4px solid #007aff; }
.box-trust { border-top: 4px solid #34c759; }
.box-structure { border-top: 4px solid #5856d6; }
.box-entity { border-top: 4px solid #ff9500; }

/* Responsive: 1 cột cho Mobile */
@media (max-width: 849px) {
  .seochatgpt-grid-2x2 {
    grid-template-columns: 1fr;
  }
}


/* ======= SECTION: 7-DAY CHECKLIST (TIMELINE STYLE) ======= */
/* Namespace: #seochatgpt-7days 
   Ghi chú: Sử dụng đường kẻ dọc (Vertical Line) để tạo cảm giác về sự tiến triển liên tục.
*/

#seochatgpt-7days {
  --vlink-blue: #012d5e;
  --vlink-accent: #007aff;
  padding: 80px 0;
  background-color: #ffffff;
}

.vlink-seochatgpt-7days-inner {
  max-width: 1200px; /* Bóp hẹp lại để đọc dạng Timeline dễ hơn */
  margin: 0 auto;
  padding: 0 20px;
}

.seochatgpt-h2 {
  font-size: clamp(28px, 4vw, 38px);
  font-weight: 850;
  color: #0f172a;
  margin-bottom: 20px;
  letter-spacing: -0.04em;
}

.seochatgpt-lead {
  font-size: 1.15rem;
  line-height: 1.7;
  color: #475569;
  margin-bottom: 50px;
}

/* Timeline Core */
.seochatgpt-timeline {
  position: relative;
  padding-left: 40px;
}

/* Đường kẻ dọc nối các bước */
.seochatgpt-timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--vlink-accent), #e2e8f0);
}

.timeline-item {
  position: relative;
  margin-bottom: 40px;
}

/* Nút tròn trên đường kẻ */
.timeline-item::before {
  content: "";
  position: absolute;
  left: -40px;
  top: 5px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #ffffff;
  border: 3px solid var(--vlink-accent);
  z-index: 2;
}

.timeline-day {
  font-size: 12px;
  font-weight: 800;
  color: var(--vlink-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 5px;
}

.timeline-title {
  font-size: 20px;
  font-weight: 800;
  color: var(--vlink-blue);
  margin: 0 0 10px 0;
}

.timeline-content p {
  font-size: 15.5px;
  line-height: 1.6;
  color: #4b5563;
  margin: 0;
}

/* Hover Effect */
.timeline-item:hover .timeline-title {
  color: var(--vlink-accent);
}

/* Mobile Responsive */
@media (max-width: 600px) {
  .seochatgpt-timeline { padding-left: 30px; }
  .seochatgpt-timeline::before { left: 5px; }
  .timeline-item::before { left: -31px; }
}


/* ======= SECTION: ROADMAP (STRATEGIC TABLE STYLE) ======= */
/* Namespace: #seochatgpt-roadmap 
   Ghi chú: Thiết kế bảng theo phong cách tối giản của các tập đoàn tư vấn (Consulting Style).
*/

#seochatgpt-roadmap {
  --vlink-blue: #012d5e;
  --vlink-light: #f8fafc;
  --vlink-accent: #007aff;
  padding: 80px 0;
  background-color: #ffffff;
}

.vlink-seochatgpt-roadmap-inner {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 20px;
}

.seochatgpt-h2 {
  font-size: clamp(28px, 4vw, 38px);
  font-weight: 850;
  color: #0f172a;
  margin-bottom: 20px;
  letter-spacing: -0.04em;
}

.seochatgpt-lead {
  font-size: 1.15rem;
  line-height: 1.7;
  color: #475569;
  margin-bottom: 45px;
  max-width: 900px;
}

/* Table Wrapper Premium */
.seochatgpt-tablewrap {
  border-radius: 16px;
  border: 1px solid #e2e8f0;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0,0,0,0.02);
}

.seochatgpt-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
}

/* Table Header */
.seochatgpt-table thead th {
  background: var(--vlink-blue);
  color: #ffffff;
  padding: 20px 25px;
  text-align: left;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 700;
}

/* Table Cells */
.seochatgpt-table tbody td {
  padding: 25px;
  border-bottom: 1px solid #f1f5f9;
  font-size: 15px;
  line-height: 1.6;
  color: #334155;
  vertical-align: middle;
}

/* Cột mốc thời gian */
.col-milestone {
  width: 180px;
  background-color: var(--vlink-light);
}

.milestone-pill {
  background: #ffffff;
  color: var(--vlink-blue);
  border: 1px solid #e2e8f0;
  padding: 6px 14px;
  border-radius: 100px;
  font-weight: 800;
  font-size: 12px;
  white-space: nowrap;
  box-shadow: 0 2px 4px rgba(0,0,0,0.03);
}

/* Output Tags */
.output-tag {
  display: inline-block;
  background: rgba(0, 122, 255, 0.08);
  color: var(--vlink-accent);
  padding: 4px 12px;
  border-radius: 6px;
  font-weight: 700;
  font-size: 13px;
}

/* Hover Effect */
.seochatgpt-table tbody tr:hover {
  background-color: rgba(248, 250, 252, 0.8);
}

/* Note Section */
.seochatgpt-note {
  margin-top: 30px;
  font-size: 14px;
  line-height: 1.6;
  color: #64748b;
  padding: 20px;
  background: #f1f5f9;
  border-radius: 12px;
  border-left: 4px solid var(--vlink-blue);
}

/* Responsive */
@media (max-width: 768px) {
  .seochatgpt-tablewrap { overflow-x: auto; }
  .seochatgpt-table { min-width: 800px; }
  .col-milestone { width: 140px; }
}


/* ======= SECTION: FAQ (PREMIUM ACCORDION STYLE) ======= */
/* Namespace: #seochatgpt-faq 
   Ghi chú: Thiết kế tối giản, loại bỏ các đường viền thừa, tập trung vào trải nghiệm đóng/mở mượt mà.
*/

#seochatgpt-faq {
  --vlink-blue: #012d5e;
  --vlink-accent: #007aff;
  padding: 80px 0;
  background-color: #f8fafc; /* Nền xám nhạt để tách biệt với các section khác */
}

.vlink-seochatgpt-faq-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.seochatgpt-h2 {
  font-size: clamp(28px, 4vw, 38px);
  font-weight: 850;
  color: #0f172a;
  margin-bottom: 20px;
  letter-spacing: -0.04em;
  text-align: center;
}

.seochatgpt-lead {
  font-size: 1.1rem;
  line-height: 1.7;
  color: #475569;
  margin-bottom: 50px;
  text-align: center;
}

/* Wrapper không nền, tạo sự thanh thoát */
.seochatgpt-faqwrap {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

/* Item Styling */
.seochatgpt-faqitem {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 16px;
  overflow: hidden;
  transition: all 0.3s ease;
}

.seochatgpt-faqitem:hover {
  border-color: var(--vlink-accent);
  box-shadow: 0 10px 20px rgba(1, 45, 94, 0.05);
}

.seochatgpt-faqitem[open] {
  border-color: var(--vlink-blue);
  box-shadow: 0 15px 30px rgba(1, 45, 94, 0.08);
}

/* Summary - Câu hỏi */
.seochatgpt-faqitem summary {
  padding: 22px 30px;
  padding-right: 60px;
  font-weight: 700;
  font-size: 16px;
  color: #1e293b;
  cursor: pointer;
  list-style: none;
  position: relative;
  user-select: none;
  transition: color 0.3s ease;
}

.seochatgpt-faqitem summary::-webkit-details-marker {
  display: none;
}

.seochatgpt-faqitem summary:hover {
  color: var(--vlink-blue);
}

/* Custom Icon: Plus/Minus */
.seochatgpt-faqitem summary::after {
  content: "+";
  position: absolute;
  right: 25px;
  top: 50%;
  transform: translateY(-50%);
  width: 30px;
  height: 30px;
  background: #f1f5f9;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 400;
  color: var(--vlink-blue);
  transition: all 0.3s ease;
}

.seochatgpt-faqitem[open] summary::after {
  content: "−";
  background: var(--vlink-blue);
  color: #ffffff;
  transform: translateY(-50%) rotate(180deg);
}

/* Body - Câu trả lời */
.seochatgpt-faqbody {
  padding: 0 30px 25px 30px;
  font-size: 15px;
  line-height: 1.7;
  color: #4b5563;
  animation: fadeIn 0.4s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

.seochatgpt-faqbody a {
  color: var(--vlink-accent);
  font-weight: 600;
  text-decoration: underline;
}

/* Responsive */
@media (max-width: 600px) {
  .seochatgpt-faqitem summary { padding: 18px 20px; padding-right: 50px; font-size: 15px; }
  .seochatgpt-faqbody { padding: 0 20px 20px 20px; }
}


/* ======= SECTION: FINAL CTA (CONVERSION ENGINE) ======= */
/* Namespace: #seochatgpt-cta
   NO CF7: thay form bằng nút mở tab mới
   Middle align: canh giữa 2 khối trái/phải cho “cân” mắt
*/

#seochatgpt-cta{
  --vlink-blue: #012d5e;
  --vlink-accent: #007aff;
  --vlink-bg-dark: #0b1220;
  --vlink-slate: #475569;
  padding: 80px 0;
  background-color: #ffffff;
}

.vlink-seochatgpt-cta-inner{
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.seochatgpt-cta-header{
  text-align: center;
  margin-bottom: 50px;
}

.seochatgpt-h2{
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 850;
  color: var(--vlink-blue);
  margin-bottom: 15px;
  letter-spacing: -0.04em;
}

.seochatgpt-lead{
  font-size: 1.15rem;
  color: var(--vlink-slate);
  max-width: 800px;
  margin: 0 auto;
}

/* Layout Grid (MIDDLE) */
.seochatgpt-grid2{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center; /* <-- canh middle 2 khối */
}

/* Boxes base */
.seochatgpt-box{
  border-radius: 24px;
}

/* Left Box */
.seochatgpt-cta-left{
  padding: 40px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
}

.vlink-cta-badge{
  display: inline-block;
  background: var(--vlink-accent);
  color: #fff;
  font-size: 11px;
  font-weight: 800;
  padding: 4px 12px;
  border-radius: 100px;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.seochatgpt-cta-left .seochatgpt-h3{
  font-size: 22px;
  font-weight: 850;
  color: var(--vlink-blue);
  margin-bottom: 20px;
}

.seochatgpt-list{
  margin: 0;
  padding-left: 18px;
}

.seochatgpt-cta-left .seochatgpt-list li{
  font-size: 16px;
  margin-bottom: 12px;
  color: #334155;
}

.vlink-cta-direct.mt{
  margin-top: 22px;
}

.vlink-cta-label{
  font-size: 13px;
  font-weight: 700;
  color: #64748b;
  margin-bottom: 12px;
}

/* Actions */
.seochatgpt-actions{
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.seochatgpt-btn{
  padding: 14px 25px;
  border-radius: 12px;
  text-align: center;
  font-weight: 800;
  text-decoration: none !important;
  transition: transform .15s ease, box-shadow .15s ease, filter .15s ease;
}

.seochatgpt-btn-primary{
  background: var(--vlink-blue);
  color: #fff !important;
}

.seochatgpt-btn-primary:hover{
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(1, 45, 94, 0.18);
  filter: brightness(1.03);
}

.seochatgpt-btn-ghost{
  border: 1px solid #cbd5e1;
  color: var(--vlink-blue) !important;
  background: #fff;
}

.seochatgpt-btn-ghost:hover{
  transform: translateY(-2px);
  box-shadow: 0 10px 22px rgba(15, 23, 42, 0.10);
}

/* Right Box (CTA) */
.seochatgpt-cta-right{
  padding: 40px;
  background: var(--vlink-bg-dark);
  color: #fff;
  border-radius: 24px;
  box-shadow: 0 25px 50px -12px rgba(1, 45, 94, 0.25);
  border: 1px solid rgba(255,255,255,0.08);
}

/* Wrapper */
.vlink-form-wrapper{
  display: grid;
  gap: 12px;
}

.vlink-form-title{
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  margin: 0 0 8px 0;
  text-align: center;
}

/* CTA Button (tăng click) */
.vlink-cta-openform{
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 18px;
  border-radius: 14px;
  font-weight: 900;
  letter-spacing: 0.2px;
  text-decoration: none !important;
  color: #0b1220 !important;
  background: linear-gradient(135deg, #7dd3fc, var(--vlink-accent));
  position: relative;
  overflow: hidden;
  box-shadow: 0 16px 34px rgba(0, 122, 255, 0.22);
  transition: transform .15s ease, box-shadow .15s ease, filter .15s ease;
}

.vlink-cta-openform::before{
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(80% 140% at 0% 0%, rgba(255,255,255,0.35), transparent 55%);
  pointer-events: none;
}

.vlink-cta-openform::after{
  content: "→";
  font-weight: 900;
  transform: translateY(-1px);
}

.vlink-cta-openform:hover{
  transform: translateY(-2px);
  box-shadow: 0 22px 44px rgba(0, 122, 255, 0.28);
  filter: brightness(1.02);
}

.vlink-cta-openform:active{
  transform: translateY(0);
  box-shadow: 0 14px 30px rgba(0, 122, 255, 0.20);
}

/* Sub note */
.vlink-form-subnote{
  font-size: 12px;
  line-height: 1.55;
  color: rgba(255,255,255,0.70);
  text-align: center;
}

.vlink-form-subnote a{
  color: rgba(255,255,255,0.92);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.vlink-form-subnote span{
  display: inline-block;
  margin-top: 6px;
  color: rgba(255,255,255,0.62);
}

/* Security note */
.vlink-security-note{
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  font-size: 12px;
  color: #64748b;
  justify-content: center;
}

/* Footer meta */
.vlink-cta-footer-meta{
  margin-top: 26px;
  text-align: center;
}

.seochatgpt-mini{
  font-size: 13px;
  color: #64748b;
  margin: 0;
}

.seochatgpt-mini a{
  color: var(--vlink-blue);
  font-weight: 800;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* Responsive */
@media (max-width: 850px){
  .seochatgpt-grid2{
    grid-template-columns: 1fr;
    align-items: start;
  }
  .seochatgpt-cta-left{ order: 2; }
  .seochatgpt-cta-right{ order: 1; }
}