/* Container chính - dùng ID để tránh đè CSS hệ thống */
#formtuvan {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    max-width: 650px;
    line-height: 1.6;
    color: #1f2937; /* Màu xám đậm chuẩn UI quốc tế */
    text-align: left;
}

/* Nhãn nhỏ phía trên tiêu đề */
#formtuvan .tuvan-tag {
    display: inline-block;
    background: rgba(99, 102, 241, 0.1); /* Màu nền xanh nhạt */
    color: #4f46e5; /* Màu chữ xanh Indigo */
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 20px;
}

/* Tiêu đề lớn - Điểm nhấn quan trọng nhất */
#formtuvan .tuvan-title {
    font-size: 48px; /* Kích thước lớn tạo sự sang trọng */
    font-weight: 800;
    line-height: 1.1;
    margin: 0 0 24px 0;
    letter-spacing: -1.5px; /* Sát chữ lại theo style hiện đại */
}

/* Hiệu ứng chữ đổi màu (Gradient) */
#formtuvan .tuvan-gradient {
    background: linear-gradient(90deg, #4f46e5, #9333ea);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Đoạn mô tả dưới tiêu đề */
#formtuvan .tuvan-desc {
    font-size: 18px;
    color: #4b5563; /* Màu xám trung tính dễ đọc */
    margin-bottom: 35px;
}

/* Khối danh sách tính năng */
#formtuvan .tuvan-features {
    margin-bottom: 40px;
}

/* Từng dòng tính năng */
#formtuvan .feature-line {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
}

/* Icon dấu tích xanh */
#formtuvan .feature-icon {
    width: 20px;
    height: 20px;
    background: #10b981; /* Màu xanh lá thành công */
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4px;
    flex-shrink: 0;
}

#formtuvan .feature-line p {
    margin: 0;
    font-size: 16px;
    font-weight: 500;
}

/* Phần nhắc nhở hành động */
#formtuvan .tuvan-footer {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 16px;
    font-weight: 700;
    color: #111827;
}

/* Chấm xanh nhấp nháy tạo hiệu ứng "Live/Active" */
#formtuvan .live-dot {
    width: 10px;
    height: 10px;
    background: #10b981;
    border-radius: 50%;
    position: relative;
}

#formtuvan .live-dot::after {
    content: "";
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: #10b981;
    border-radius: 50%;
    animation: pulse-ring 2s cubic-bezier(0.455, 0.03, 0.515, 0.955) infinite;
}

@keyframes pulse-ring {
    0% { transform: scale(0.7); opacity: 0.8; }
    80%, 100% { transform: scale(2.5); opacity: 0; }
}

/* Tối ưu hiển thị trên điện thoại */
@media (max-width: 768px) {
    #formtuvan .tuvan-title { font-size: 34px; letter-spacing: -0.5px; }
    #formtuvan .tuvan-desc { font-size: 16px; }
}

/* --- CONTAINER CHÍNH CỘT PHẢI --- */
#right-tuvan {
    position: relative;
    width: 100%;
    min-height: 500px; /* Độ cao lý tưởng cho Hero */
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: visible;
}

.ai-visual-container {
    position: relative;
    width: 100%;
    max-width: 450px;
    height: 400px;
}

/* --- PHẦN NÚT BẤM PREMIUM --- */
#formtuvan .tuvan-action {
    margin: 35px 0 25px 0;
}

#formtuvan .cta-premium {
    display: inline-flex;
    align-items: center;
    gap: 15px;
    background: #111827; /* Màu đen sâu sang trọng */
    color: #ffffff !important;
    padding: 18px 35px;
    border-radius: 100px;
    font-size: 18px;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.1);
}

/* Hiệu ứng khi di chuột (Hover) */
#formtuvan .cta-premium:hover {
    background: #4f46e5; /* Đổi sang màu Indigo khi hover */
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 20px 40px rgba(79, 70, 229, 0.4);
}

/* Hiệu ứng mũi tên chuyển động */
#formtuvan .cta-icon {
    display: flex;
    align-items: center;
    transition: transform 0.3s ease;
}

#formtuvan .cta-premium:hover .cta-icon {
    transform: translateX(5px); /* Mũi tên nhích sang phải */
}

#formtuvan .cta-icon svg {
    width: 20px;
    height: 20px;
}

/* Tạo hiệu ứng tia sáng chạy ngang nút bấm (Shine Effect) */
#formtuvan .cta-premium::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(120deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: all 0.6s;
}

#formtuvan .cta-premium:hover::before {
    left: 100%;
}

/* Tinh chỉnh lại khoảng cách footer cho cân đối */
#formtuvan .tuvan-footer {
    margin-top: 15px;
    opacity: 0.8;
}

/* Smooth scroll khi click (Dành cho trình duyệt chưa hỗ trợ) */
html {
    scroll-behavior: smooth;
}



/* --- VÒNG QUÉT DỮ LIỆU (SCANNER) --- */
#right-tuvan .scanner-wrapper {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

#right-tuvan .scanner-circle {
    width: 280px;
    height: 280px;
    border: 1.5px solid rgba(79, 70, 229, 0.3);
    border-radius: 50%;
    animation: spinScanner 15s linear infinite;
}

#right-tuvan .scanner-circle::after {
    content: '';
    position: absolute;
    top: -6px;
    left: 50%;
    width: 12px;
    height: 12px;
    background: #4f46e5;
    border-radius: 50%;
    box-shadow: 0 0 20px #4f46e5, 0 0 40px #4f46e5;
}

#right-tuvan .scanner-pulse {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(79, 70, 229, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulseEffect 3s ease-in-out infinite;
}

/* --- THẺ DỮ LIỆU ĐẬM ĐÀ (CARDS) --- */
#right-tuvan .data-card {
    position: absolute;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(15px); /* Hiệu ứng kính mờ quốc tế */
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 20px;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.1);
    z-index: 2;
    animation: floatVertical 5s ease-in-out infinite;
}

/* Card phía trên: AI Analyzing */
#right-tuvan .card-ai-top {
    top: 10%;
    right: 5%;
    padding: 15px 20px;
}

#right-tuvan .ai-badge {
    display: block;
    font-size: 11px;
    font-weight: 800;
    text-transform: uppercase;
    color: #4f46e5;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

#right-tuvan .data-lines .l-1, 
#right-tuvan .data-lines .l-2 {
    display: block;
    height: 6px;
    background: #e2e8f0;
    border-radius: 10px;
    margin-bottom: 6px;
}
#right-tuvan .l-1 { width: 80px; background: linear-gradient(90deg, #4f46e5, #9333ea); }
#right-tuvan .l-2 { width: 50px; }

/* Card phía dưới: Chỉ số SEO */
#right-tuvan .card-seo-bottom {
    bottom: 15%;
    left: 5%;
    padding: 12px 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    animation-delay: 2s;
}

#right-tuvan .data-icon {
    width: 35px;
    height: 35px;
    background: #10b981;
    color: white;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

#right-tuvan .label { display: block; font-size: 12px; color: #64748b; font-weight: 600; }
#right-tuvan .value { display: block; font-size: 18px; font-weight: 800; color: #1e293b; }

/* --- HẠT DATA PHÁT SÁNG --- */
#right-tuvan .data-particle {
    position: absolute;
    width: 6px;
    height: 6px;
    background: #4f46e5;
    border-radius: 50%;
    box-shadow: 0 0 10px #4f46e5;
    animation: particleDrift 8s linear infinite;
}
#right-tuvan .p-1 { top: 20%; left: 10%; animation-delay: 0s; }
#right-tuvan .p-2 { bottom: 30%; right: 15%; animation-delay: 3s; }
#right-tuvan .p-3 { top: 50%; left: 20%; animation-delay: 5s; }

/* --- HIỆU ỨNG KEYFRAMES --- */
@keyframes spinScanner {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes pulseEffect {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.5; }
    50% { transform: translate(-50%, -50%) scale(1.3); opacity: 0.2; }
}

@keyframes floatVertical {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

@keyframes particleDrift {
    0% { transform: translate(0,0); opacity: 0; }
    20% { opacity: 1; }
    80% { opacity: 1; }
    100% { transform: translate(100px, -100px); opacity: 0; }
}

/* Responsive */
@media (max-width: 768px) {
    #right-tuvan { min-height: 350px; transform: scale(0.8); }
}

/* CONTAINER TỔNG: Tạo nền có chiều sâu */
#section-form-premium {
    width: 100% !important;
    padding: 100px 20px !important;
    /* Hiệu ứng nền Mesh Gradient nhẹ nhàng chuẩn SaaS */
    background-color: #fdfdfd;
    background-image: 
        radial-gradient(at 0% 0%, rgba(79, 70, 229, 0.05) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(147, 51, 234, 0.05) 0px, transparent 50%);
    display: flex !important;
    justify-content: center !important;
}

/* KHUNG CHỨA TRẮNG (THE BOX): Trái tim của Section */
#section-form-premium .form-wrapper-inner {
    width: 100% !important;
    max-width: 850px !important; /* Độ rộng tối ưu cho form 5 khối */
    background: #ffffff !important;
    
    /* Đổ bóng đa lớp (Soft Shadow) - Bí quyết của sự sang trọng */
    box-shadow: 
        0 0 1px rgba(0, 0, 0, 0.1),
        0 10px 20px rgba(0, 0, 0, 0.02),
        0 30px 70px rgba(0, 0, 0, 0.05) !important;
    
    border-radius: 40px !important; /* Bo góc lớn nhìn hiện đại hơn */
    padding: 80px !important; /* Tăng khoảng thở bên trong */
    border: 1px solid rgba(255, 255, 255, 1) !important;
    position: relative;
    overflow: hidden;
}

/* Hiệu ứng đường viền mờ phía trên cùng để tạo độ nổi bóng lẩy */
#section-form-premium .form-wrapper-inner::before {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 6px;
    background: linear-gradient(90deg, #4f46e5, #9333ea, #db2777);
    opacity: 0.9;
}

/* Căn chỉnh lại Header cho "ngon" */
#section-form-premium .form-header-center {
    margin-bottom: 60px !important;
}

#section-form-premium .form-header-center h2 {
    font-size: 38px !important;
    letter-spacing: -2px !important;
    color: #0f172a !important;
    margin-bottom: 20px !important;
}

/* Alert Box: Làm lại cho tinh tế hơn, không bị thô */
#section-form-premium .premium-alert {
    background: #f8fafc !important;
    border: 1px dashed #cbd5e1 !important;
    color: #64748b !important;
    border-radius: 16px !important;
    padding: 20px !important;
    display: inline-flex !important;
    max-width: 90%;
}

/* --- RESPONSIVE --- */
@media (max-width: 768px) {
    #section-form-premium {
        padding: 60px 15px !important;
    }
    #section-form-premium .form-wrapper-inner {
        padding: 40px 20px !important;
        border-radius: 25px !important;
    }
    #section-form-premium .form-header-center h2 {
        font-size: 28px !important;
    }
}

/* --- RESET KHUNG CHỨA --- */
#section-form-premium .form-wrapper-inner {
    max-width: 800px !important; /* Rộng hơn chút vì form dài */
    padding: 60px !important;
    text-align: left !important;
}

/* --- CHỐNG LỆCH CHO TỪNG KHỐI (BLOCK) --- */
.form-block {
    margin-bottom: 40px !important;
    padding-bottom: 20px !important;
    border-bottom: 1px solid #f1f5f9; /* Đường kẻ mờ ngăn cách các khối */
    width: 100% !important;
    display: block !important;
}

.form-block:last-child { border: none; }

/* --- TIÊU ĐỀ KHỐI (H3) --- */
.form-block h3 {
    font-size: 20px !important;
    font-weight: 800 !important;
    color: #4f46e5 !important;
    margin-bottom: 25px !important;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* --- NHÃN (LABEL) - CỰC KỲ QUAN TRỌNG ĐỂ THẲNG HÀNG --- */
.form-block label {
    display: block !important;
    font-weight: 700 !important;
    color: #1e293b !important;
    margin-bottom: 10px !important;
    margin-top: 20px !important;
    width: 100% !important;
    padding: 0 !important;
}




/* BỌC ID TOÀN BỘ ĐỂ CHỐNG GHI ĐÈ */
#vlink-philosophy-wrapper {
    font-family: 'Inter', sans-serif !important;
    padding: 60px 0;
    line-height: 1.6;
}

/* KHỐI TRIẾT LÝ - DARK MODE */
#vlink-philosophy-wrapper .philo-section {
    background: #0f172a;
    border-radius: 40px;
    padding: 60px;
    color: #fff;
    margin-bottom: 80px;
}

#vlink-philosophy-wrapper .philo-tag {
    color: #818cf8;
    font-weight: 800;
    text-transform: uppercase;
    font-size: 13px;
    letter-spacing: 2px;
}

#vlink-philosophy-wrapper .philo-title {
    font-size: clamp(24px, 4vw, 36px) !important;
    font-weight: 900 !important;
    margin: 20px 0 40px 0 !important;
    color: #fff !important;
}

#vlink-philosophy-wrapper .philo-content-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 50px;
}

#vlink-philosophy-wrapper .philo-quote {
    font-size: 24px;
    font-weight: 800;
    color: #f8fafc;
    padding: 25px;
    background: rgba(255,255,255,0.05);
    border-left: 5px solid #4f46e5;
    margin-top: 30px;
    border-radius: 0 15px 15px 0;
}

#vlink-philosophy-wrapper .philo-list {
    list-style: none !important;
    padding: 0 !important;
}

#vlink-philosophy-wrapper .philo-list li {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
    font-size: 17px;
    color: #94a3b8;
}

#vlink-philosophy-wrapper .philo-list li span {
    color: #ef4444;
    font-weight: 900;
}

/* KHỐI ĐỐI TƯỢNG - LIGHT MODE */
#vlink-philosophy-wrapper .target-main-title {
    text-align: center;
    font-size: 32px !important;
    font-weight: 900 !important;
    margin-bottom: 50px !important;
    color: #1e293b;
}

#vlink-philosophy-wrapper .target-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
}

#vlink-philosophy-wrapper .target-item {
    background: #ffffff;
    padding: 30px;
    border-radius: 20px;
    border: 1px solid #e2e8f0;
    text-align: center;
    transition: all 0.3s ease;
}

#vlink-philosophy-wrapper .target-item:hover {
    border-color: #4f46e5;
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.05);
}

#vlink-philosophy-wrapper .t-icon {
    font-size: 35px;
    margin-bottom: 15px;
}

/* CTA CHỐT HẠ */
#vlink-philosophy-wrapper .final-cta {
    text-align: center;
    margin-top: 60px;
    padding: 40px;
    background: #f8fafc;
    border-radius: 30px;
}

#vlink-philosophy-wrapper .back-to-form-btn {
    display: inline-block;
    background: #4f46e5;
    color: #fff !important;
    padding: 18px 40px;
    border-radius: 100px;
    font-weight: 800;
    text-decoration: none !important;
    margin-top: 20px;
    box-shadow: 0 10px 20px rgba(79, 70, 229, 0.2);
}

/* Responsive */
@media (max-width: 768px) {
    #vlink-philosophy-wrapper .philo-content-grid { grid-template-columns: 1fr; }
    #vlink-philosophy-wrapper .philo-section { padding: 30px; }
}

#vlink-knowledge-hub {
    font-family: 'Inter', sans-serif !important;
    width: 100%;
}

#vlink-knowledge-hub .kb-section {
    padding: 80px 20px;
    text-align: center;
}

#vlink-knowledge-hub .row-light { background: #f8fafc; }
#vlink-knowledge-hub .row-dark { background: #0f172a; color: #fff; border-radius: 40px; margin: 0 20px; }
#vlink-knowledge-hub .white-text { color: #fff !important; }

#vlink-knowledge-hub .kb-main-title {
    font-size: clamp(24px, 4vw, 32px) !important;
    font-weight: 900 !important;
    margin-bottom: 30px !important;
    color: #0f172a;
    line-height: 1.3 !important;
}

/* GRID 3 CỘT KHỐI 1 */
#vlink-knowledge-hub .kb-grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin: 40px auto;
    max-width: 1100px;
}

#vlink-knowledge-hub .kb-item {
    padding: 30px;
    background: #fff;
    border-radius: 20px;
    border: 1px solid #e2e8f0;
    text-align: left;
}

#vlink-knowledge-hub .kb-num {
    font-size: 40px;
    font-weight: 900;
    color: rgba(79, 70, 229, 0.1);
    display: block;
    margin-bottom: -20px;
}

/* QUY TRÌNH & ĐỐI TƯỢNG (DẠNG TAG) */
#vlink-knowledge-hub .process-steps-modern, 
#vlink-knowledge-hub .target-list-modern {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
    max-width: 900px;
    margin: 0 auto;
}

#vlink-knowledge-hub .p-step span, 
#vlink-knowledge-hub .t-check span {
    display: block;
    padding: 15px 25px;
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 100px;
    font-weight: 700;
    font-size: 16px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.02);
}

/* WARNING BOX (KHỐI 3) */
#vlink-knowledge-hub .warning-content {
    max-width: 800px;
    margin: 0 auto;
}

#vlink-knowledge-hub .warning-quote {
    font-size: 26px;
    font-weight: 800;
    color: #818cf8;
    margin-top: 30px;
    padding: 20px;
    border: 2px dashed rgba(255,255,255,0.2);
    border-radius: 20px;
}

/* TIME BADGE & CTA */
#vlink-knowledge-hub .time-callout {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-top: 40px;
    background: #111827;
    color: #fff;
    padding: 12px 25px;
    border-radius: 50px;
}

#vlink-knowledge-hub .pulse-dot {
    width: 8px; height: 8px; background: #10b981; border-radius: 50%;
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
    animation: pulse 2s infinite;
}

@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); } 70% { box-shadow: 0 0 0 10px rgba(16, 185, 129, 0); } 100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); } }

#vlink-knowledge-hub .btn-scroll-up {
    display: inline-block;
    margin-top: 25px;
    background: #4f46e5;
    color: #fff !important;
    padding: 15px 35px;
    border-radius: 50px;
    font-weight: 800;
    text-decoration: none !important;
}

/* --- CONTAINER TỔNG --- */
#vlink-ai-modern-proof {
    padding: 80px 20px;
    background: #fdfdfd;
    font-family: 'Inter', sans-serif !important;
}

#vlink-ai-modern-proof .proof-container {
    max-width: 1300px;
    margin: 0 auto;
}

/* --- HEADER --- */
#vlink-ai-modern-proof .proof-header {
    text-align: center;
    margin-bottom: 60px;
}

#vlink-ai-modern-proof .proof-title {
    font-size: clamp(26px, 4vw, 36px) !important;
    font-weight: 900 !important;
    color: #0f172a !important;
    margin-bottom: 20px !important;
    line-height: 1.2 !important;
}

/* --- GRID 2 CỘT 2 DÒNG --- */
#vlink-ai-modern-proof .proof-main-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr); /* Ép 2 cột bằng nhau */
    gap: 30px;
    margin-bottom: 50px;
}

/* --- THẺ ITEM (CARD) --- */
#vlink-ai-modern-proof .proof-item {
    background: #ffffff;
    border-radius: 24px;
    border: 1px solid #e2e8f0;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: all 0.3s ease;
}

#vlink-ai-modern-proof .proof-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.08);
    border-color: #4f46e5;
}

/* KHUNG ẢNH (ÉP TỶ LỆ 16:9 ĐỂ THẲNG HÀNG) */
#vlink-ai-modern-proof .img-wrapper {
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: #f1f5f9;
    border-bottom: 1px solid #f1f5f9;
}

#vlink-ai-modern-proof .img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover; /* Đảm bảo ảnh luôn lấp đầy khung mà không bị méo */
}

#vlink-ai-modern-proof .img-content {
    padding: 25px;
    flex-grow: 1; /* Tự động lấp đầy khoảng trống để card bằng nhau */
}

#vlink-ai-modern-proof .img-content h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 10px;
    color: #1e293b;
}

#vlink-ai-modern-proof .img-content p {
    font-size: 15px;
    color: #64748b;
    margin: 0;
}

/* --- BANNER CTA NGANG (MÀU TÍM INDIGO) --- */
#vlink-ai-modern-proof .proof-cta-banner {
    background: linear-gradient(90deg, #4f46e5 0%, #7c3aed 100%);
    border-radius: 24px;
    padding: 40px;
    color: #ffffff;
    box-shadow: 0 15px 30px rgba(79, 70, 229, 0.2);
}

#vlink-ai-modern-proof .cta-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 30px;
}

#vlink-ai-modern-proof .cta-text h3 {
    font-size: 24px !important;
    font-weight: 800 !important;
    color: #ffffff !important;
    margin-bottom: 10px !important;
}

#vlink-ai-modern-proof .cta-text p {
    font-size: 17px;
    opacity: 0.9;
    margin: 0;
}

#vlink-ai-modern-proof .cta-arrow {
    animation: bounce 2s infinite;
    flex-shrink: 0;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {transform: translateY(0);}
    40% {transform: translateY(-10px);}
}

/* --- RESPONSIVE CHO MOBILE --- */
@media (max-width: 992px) {
    #vlink-ai-modern-proof .proof-main-grid {
        grid-template-columns: 1fr; /* Mobile chuyển về 1 cột */
    }
    #vlink-ai-modern-proof .cta-inner {
        flex-direction: column;
        text-align: center;
    }
}

#vlink-final-faq {
    padding: 80px 20px;
    background: #f8fafc;
    font-family: 'Inter', sans-serif !important;
}

#vlink-final-faq .faq-container {
    max-width: 850px;
    margin: 0 auto;
}

#vlink-final-faq .faq-header { text-align: center; margin-bottom: 50px; }
#vlink-final-faq .faq-title { font-size: 32px !important; font-weight: 900 !important; color: #0f172a !important; margin-bottom: 15px !important; }

/* ẨN CHECKBOX GỐC */
#vlink-final-faq .faq-input {
    display: none;
}

/* THẺ ITEM */
#vlink-final-faq .faq-item {
    background: #ffffff;
    margin-bottom: 12px;
    border-radius: 16px;
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
}

/* TIÊU ĐỀ CÂU HỎI (LABEL) */
#vlink-final-faq .faq-q {
    padding: 22px 30px;
    font-weight: 700;
    font-size: 17px;
    color: #1e293b;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 0; /* Chống theme đè */
}

/* BIỂU TƯỢNG DẤU CỘNG */
#vlink-final-faq .faq-plus::before {
    content: "+";
    font-size: 24px;
    color: #4f46e5;
    transition: transform 0.3s ease;
    display: inline-block;
}

/* NỘI DUNG TRẢ LỜI */
#vlink-final-faq .faq-a {
    max-height: 0; /* ÉP ĐỘ CAO VỀ 0 */
    overflow: hidden;
    padding: 0 30px;
    transition: all 0.4s cubic-bezier(0, 1, 0, 1);
    color: #475569;
    line-height: 1.7;
}

/* --- LOGIC ĐÓNG MỞ --- */
#vlink-final-faq .faq-input:checked ~ .faq-a {
    max-height: 1000px; /* Mở rộng khi checked */
    padding-bottom: 25px;
    border-top: 1px solid #f1f5f9;
    transition: all 0.4s ease-in;
}

#vlink-final-faq .faq-input:checked ~ .faq-q .faq-plus::before {
    transform: rotate(45deg); /* Xoay thành dấu X */
    color: #ef4444;
}

#vlink-final-faq .faq-input:checked + .faq-q {
    color: #4f46e5;
}

/* TRANG TRÍ THÊM */
#vlink-final-faq ul { padding-left: 20px; margin: 15px 0; }
#vlink-final-faq .time-notice { color: #4f46e5; font-weight: 600; margin-top: 15px; }

/* --- SECTION FINAL CTA --- */
#vlink-final-call {
    padding: 100px 20px;
    background: #ffffff;
    font-family: 'Inter', sans-serif !important;
    text-align: center;
}

#vlink-final-call .cta-wrapper {
    max-width: 900px;
    margin: 0 auto;
    background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 100%);
    padding: 80px 40px;
    border-radius: 40px;
    color: #ffffff;
    position: relative;
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

/* HIỆU ỨNG TRANG TRÍ NỀN */
#vlink-final-call .cta-wrapper::before {
    content: "";
    position: absolute;
    top: -50%;
    left: -20%;
    width: 100%;
    height: 200%;
    background: radial-gradient(circle, rgba(79, 70, 229, 0.2) 0%, transparent 70%);
}

#vlink-final-call .cta-badge {
    display: inline-block;
    background: rgba(129, 140, 248, 0.15);
    color: #818cf8;
    padding: 8px 20px;
    border-radius: 100px;
    font-weight: 700;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 25px;
}

#vlink-final-call h2 {
    font-size: clamp(28px, 5vw, 42px) !important;
    font-weight: 900 !important;
    line-height: 1.2 !important;
    color: #ffffff !important;
    margin-bottom: 20px !important;
}

#vlink-final-call .cta-desc {
    font-size: 18px;
    color: #94a3b8;
    max-width: 700px;
    margin: 0 auto 30px;
    line-height: 1.6;
}

#vlink-final-call .cta-highlight {
    background: rgba(255, 255, 255, 0.05);
    padding: 15px 25px;
    border-radius: 12px;
    display: inline-block;
    margin-bottom: 40px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

#vlink-final-call .cta-highlight strong {
    color: #f8fafc;
    font-weight: 500;
}

/* NÚT BẤM CHÍNH */
#vlink-final-call .btn-final-primary {
    display: inline-block;
    background: #4f46e5;
    color: #ffffff !important;
    padding: 20px 50px;
    font-size: 18px;
    font-weight: 800;
    text-decoration: none !important;
    border-radius: 100px;
    box-shadow: 0 10px 20px rgba(79, 70, 229, 0.4);
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

#vlink-final-call .btn-final-primary:hover {
    background: #6366f1;
    transform: scale(1.05);
    box-shadow: 0 15px 30px rgba(79, 70, 229, 0.6);
}

#vlink-final-call .cta-subtext {
    margin-top: 20px;
    font-size: 14px;
    color: #64748b;
}

/* RESPONSIVE */
@media (max-width: 768px) {
    #vlink-final-call .cta-wrapper {
        padding: 50px 25px;
        margin: 0 10px;
    }
    #vlink-final-call h2 { font-size: 28px !important; }
}