/* VLINK CASE STUDY - LIGHT PREMIUM STYLE */
:root {
    --v-bg-light: #ffffff;
    --v-bg-soft: #f8faff; /* Xám xanh cực nhẹ cho section */
    --v-navy-dark: #0a192f; /* Màu chữ chính */
    --v-blue-main: #0056b3;
    --v-blue-light: #00d2ff;
    --v-text-sub: #4a5568;
    --v-grad-navy: linear-gradient(90deg, #0a192f 0%, #0056b3 100%);
}

/* --- 1. LAYOUT GỐC --- */
#vlinkcs-hero {
    padding: 100px 20px;
    background: #ffffff;
    font-family: 'Inter', sans-serif;
    overflow: hidden;
}

#vlinkcs-hero .vlinkcs__wrap {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 50px;
}

/* --- 2. CỘT TRÁI (CONTENT) --- */
.vlinkcs__contentCol { flex: 1.1; }

.vlinkcs__badgeRow { display: flex; align-items: center; gap: 12px; margin-bottom: 25px; }

.vlinkcs__badge {
    padding: 5px 12px;
    font-size: 10px;
    font-weight: 800;
    border-radius: 4px;
    letter-spacing: 1px;
}

.vlinkcs__live {
    color: #10b981;
    font-size: 11px;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 6px;
    text-transform: uppercase;
}

.vlinkcs__liveDot {
    width: 6px; height: 6px;
    background: #10b981;
    border-radius: 50%;
    position: relative;
    box-shadow: 0 0 8px #10b981;
}

.vlinkcs__liveDot::after {
    content: ""; position: absolute; width: 100%; height: 100%;
    background: inherit; border-radius: inherit;
    animation: pulse 2s infinite;
}

@keyframes pulse { 0% { transform: scale(1); opacity: 1; } 100% { transform: scale(3); opacity: 0; } }

/* Tiêu đề: Navy Đậm, điểm nhấn Blue, dòng phụ Navy nhạt */
.vlinkcs__h1 {
    font-size: clamp(28px, 3.5vw, 40px); /* Khống chế size không quá bự */
    line-height: 1.2;
    color: #0a192f;
    margin-bottom: 20px;
    font-weight: 900;
}

.vlinkcs__h1 strong { color: #0077ff; }
.vlinkcs__h1HL { display: block; color: #475569; font-weight: 700; margin-top: 5px; }

.vlinkcs__sub {
    font-size: 16px;
    line-height: 1.6;
    color: #4b5563;
    margin-bottom: 40px;
}

/* Nút bấm High-tech */
.vlinkcs__cta { display: flex; gap: 15px; margin-bottom: 50px; }

.vlinkcs__btn {
    padding: 16px 28px;
    border-radius: 6px;
    font-weight: 800;
    font-size: 14px;
    text-decoration: none;
    transition: 0.3s;
}

.vlinkcs__btn--primary {
    background: #0a192f;
    color: #ffffff !important;
    border: 1px solid #0a192f;
}

.vlinkcs__btn--primary:hover {
    background: #0077ff;
    border-color: #0077ff;
    transform: translateY(-3px);
}

.vlinkcs__btn--ghost {
    background: #ffffff;
    color: #0a192f !important;
    border: 1px solid #e2e8f0;
}

/* --- 3. CỘT PHẢI (VISUAL FIX SIZE) --- */
.vlinkcs__visualCol { flex: 0.9; position: relative; }

/* Cố định kích thước khung để không bể */
.vlinkcs__aiMockup {
    width: 100%;
    max-width: 420px;
    margin-left: auto;
    background: #ffffff;
    border: 1px solid #f1f5f9;
    border-radius: 20px;
    padding: 25px;
    box-shadow: 0 30px 60px rgba(10, 25, 47, 0.1);
}

.vlinkcs__mockupHeader { display: flex; align-items: center; gap: 10px; margin-bottom: 20px; }
.vlinkcs__mockupDot { width: 10px; height: 10px; background: #0077ff; border-radius: 50%; }
.vlinkcs__mockupTitle { font-size: 11px; font-weight: 800; color: #0a192f; text-transform: uppercase; }

/* Skeleton giả lập load AI */
.vlinkcs__skeleton { height: 6px; background: #f1f5f9; border-radius: 10px; margin-bottom: 12px; }
.line-1 { width: 90%; } .line-2 { width: 60%; margin-bottom: 25px; }

/* Citation Card tinh tế - Fix Icon bự */
.vlinkcs__citationCard {
    background: #ffffff;
    border-left: 3px solid #0077ff;
    border-radius: 4px 12px 12px 4px;
    padding: 15px;
    border-top: 1px solid #f1f5f9;
    border-right: 1px solid #f1f5f9;
    border-bottom: 1px solid #f1f5f9;
    margin-bottom: 20px;
}

.vlinkcs__citationSite { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; font-size: 11px; color: #64748b; }

/* CỐ ĐỊNH KÍCH THƯỚC ICON LOGO */
.vlinkcs__iconFix {
    width: 16px !important;
    height: 16px !important;
    object-fit: contain;
    flex-shrink: 0;
}

.vlinkcs__citationTitle { font-size: 14px; font-weight: 800; color: #0a192f; margin-bottom: 6px; }
.vlinkcs__citationSnippet { font-size: 12px; color: #475569; line-height: 1.5; margin: 0; }

/* Source Labels */
.vlinkcs__mockupSource { border-top: 1px solid #f1f5f9; padding-top: 15px; display: flex; align-items: center; justify-content: space-between; }
.vlinkcs__sourceLabel { font-size: 10px; font-weight: 800; color: #94a3b8; text-transform: uppercase; }
.vlinkcs__sourceIcons { display: flex; gap: 6px; }
.vlinkcs__sIcon {
    width: 24px; height: 24px;
    background: #f8fafc;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    font-weight: 900;
    color: #0a192f;
    border: 1px solid #e2e8f0;
}

/* --- 4. QUICK INFO --- */
.vlinkcs__quick { display: flex; gap: 30px; border-top: 1px solid #f1f5f9; padding-top: 25px; }
.vlinkcs__quickK { display: block; font-size: 9px; font-weight: 800; color: #94a3b8; text-transform: uppercase; margin-bottom: 4px; }
.vlinkcs__quickV { font-size: 13px; font-weight: 700; color: #475569; }

/* MOBILE RESPONSIVE */
@media (max-width: 991px) {
    #vlinkcs-hero .vlinkcs__wrap { flex-direction: column; text-align: center; }
    .vlinkcs__aiMockup { margin: 0 auto; }
    .vlinkcs__badgeRow, .vlinkcs__cta, .vlinkcs__quick { justify-content: center; }
}









/* --- HEADER CENTERED --- */
#vlink-premium-section-2026 .vlinkcs__head {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 80px;
}

#vlink-premium-section-2026 .vlinkcs__badgeRow {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    margin-bottom: 25px;
}

#vlink-premium-section-2026 .vlinkcs__badge {
    background: #f1f5f9;
    border: 1px solid #e2e8f0;
    color: #0a192f;
    padding: 6px 14px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
}

#vlink-premium-section-2026 .vlinkcs__live {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: #38a169;
    font-weight: 600;
}

#vlink-premium-section-2026 .vlinkcs__liveDot {
    width: 8px;
    height: 8px;
    background: #38a169;
    border-radius: 50%;
    position: relative;
}

#vlink-premium-section-2026 .vlinkcs__liveDot::after {
    content: "";
    position: absolute;
    width: 100%; height: 100%;
    background: inherit;
    border-radius: inherit;
    animation: vlinkPulse 2s infinite;
}

@keyframes vlinkPulse {
    0% { transform: scale(1); opacity: 0.8; }
    100% { transform: scale(3); opacity: 0; }
}

#vlink-premium-section-2026 .vlinkcs__h2 {
    font-size: clamp(30px, 4.5vw, 46px);
    line-height: 1.2;
    font-weight: 800;
    margin-bottom: 25px;
    max-width: 900px;
}

#vlink-premium-section-2026 .vlinkcs__h2HL {
    display: block;
    background: linear-gradient(90deg, #0a192f 0%, #0066ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

#vlink-premium-section-2026 .vlinkcs__desc {
    font-size: 18px;
    color: #4a5568;
    max-width: 800px;
    margin-bottom: 30px;
}

#vlink-premium-section-2026 .vlinkcs__linkCta {
    color: #0066ff;
    font-weight: 700;
    text-decoration: none;
    font-size: 16px;
    padding-bottom: 5px;
    border-bottom: 2px solid rgba(0, 102, 255, 0.15);
    transition: 0.3s ease;
}

#vlink-premium-section-2026 .vlinkcs__linkCta:hover {
    border-bottom-color: #0066ff;
    color: #0a192f;
}

/* --- GRID & CARDS --- */
#vlink-premium-section-2026 .vlinkcs__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 30px;
}

#vlink-premium-section-2026 .vlinkcs__card {
    background: #ffffff;
    border: 1px solid #f0f3f8;
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    display: flex;
    flex-direction: column;
}

#vlink-premium-section-2026 .vlinkcs__card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px rgba(10, 25, 47, 0.06);
    border-color: #0066ff;
}

#vlink-premium-section-2026 .vlinkcs__media {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16 / 9;
}

#vlink-premium-section-2026 .vlinkcs__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

#vlink-premium-section-2026 .vlinkcs__card:hover .vlinkcs__media img {
    transform: scale(1.04);
}

#vlink-premium-section-2026 .vlinkcs__tag {
    position: absolute;
    top: 15px;
    left: 15px;
    background: #0a192f;
    color: #fff;
    padding: 4px 10px;
    border-radius: 3px;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
}

#vlink-premium-section-2026 .vlinkcs__body {
    padding: 30px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

#vlink-premium-section-2026 .vlinkcs__h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
    color: #0a192f;
}

#vlink-premium-section-2026 .vlinkcs__p {
    font-size: 15px;
    line-height: 1.6;
    color: #556070;
    margin-bottom: 25px;
}

/* --- METRICS FOOTER --- */
#vlink-premium-section-2026 .vlinkcs__micro {
    margin-top: auto;
    padding-top: 15px;
    border-top: 1px solid #f1f5f9;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

#vlink-premium-section-2026 .vlinkcs__microK {
    font-size: 11px;
    color: #94a3b8;
    font-weight: 700;
    text-transform: uppercase;
}

#vlink-premium-section-2026 .vlinkcs__microV {
    font-size: 12px;
    color: #0066ff;
    font-weight: 700;
}

/* Responsive */
@media (max-width: 768px) {
    #vlink-premium-section-2026 .vlinkcs__grid { grid-template-columns: 1fr; }
    #vlink-premium-section-2026 { padding: 60px 15px; }
}

#vlink-ai-citations-final {
    padding: 100px 20px;
    background-color: #ffffff;
    font-family: "Inter", sans-serif;
}

#vlink-ai-citations-final .vlinkcs__wrap {
    max-width: 1240px;
    margin: 0 auto;
}

/* --- HEADER CANH GIỮA --- */
#vlink-ai-citations-final .vlinkcs__head {
    text-align: center;
    max-width: 850px;
    margin: 0 auto 80px;
}

#vlink-ai-citations-final .vlinkcs__badgeRow {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

#vlink-ai-citations-final .vlinkcs__badge {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    color: #0a192f;
    padding: 6px 14px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
}

#vlink-ai-citations-final .vlinkcs__live {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: #10b981;
}

#vlink-ai-citations-final .vlinkcs__liveDot {
    width: 8px; height: 8px;
    background: #10b981;
    border-radius: 50%;
    position: relative;
}

#vlink-ai-citations-final .vlinkcs__liveDot::after {
    content: ""; position: absolute; width: 100%; height: 100%;
    background: inherit; border-radius: inherit;
    animation: livePulse 2s infinite;
}

@keyframes livePulse {
    0% { transform: scale(1); opacity: 0.8; }
    100% { transform: scale(3); opacity: 0; }
}

#vlink-ai-citations-final .vlinkcs__h2 {
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 800;
    color: #0a192f;
    line-height: 1.2;
    margin-bottom: 20px;
}

#vlink-ai-citations-final .vlinkcs__h2HL {
    color: #0077ff;
}

#vlink-ai-citations-final .vlinkcs__desc {
    font-size: 18px;
    color: #4b5563;
    line-height: 1.6;
}

/* --- ROWS 2 CỘT --- */
#vlink-ai-citations-final .vlinkcs__rows {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

#vlink-ai-citations-final .vlinkcs__rowItem {
    display: flex;
    align-items: center;
    background: #ffffff;
    border: 1px solid #f1f5f9;
    border-radius: 20px;
    overflow: hidden;
    transition: 0.3s ease;
}

#vlink-ai-citations-final .vlinkcs__rowItem:hover {
    box-shadow: 0 20px 40px rgba(10, 25, 47, 0.06);
    border-color: #0077ff;
}

#vlink-ai-citations-final .vlinkcs__colMedia {
    flex: 1.2;
    padding: 30px;
    background: #fbfcfe;
}

#vlink-ai-citations-final .vlinkcs__colMedia img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 10px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.05);
}

#vlink-ai-citations-final .vlinkcs__colContent {
    flex: 1;
    padding: 50px;
}

#vlink-ai-citations-final .vlinkcs__step {
    font-size: 12px;
    font-weight: 800;
    color: #0077ff;
    letter-spacing: 1.5px;
    display: block;
    margin-bottom: 15px;
}

#vlink-ai-citations-final .vlinkcs__h3 {
    font-size: 26px;
    font-weight: 700;
    color: #0a192f;
    margin-bottom: 20px;
}

#vlink-ai-citations-final .vlinkcs__p {
    font-size: 16px;
    color: #64748b;
    line-height: 1.7;
    margin-bottom: 25px;
}

#vlink-ai-citations-final .vlinkcs__proof {
    font-size: 13px;
    font-weight: 700;
    color: #0077ff;
    border-left: 3px solid #0077ff;
    padding-left: 15px;
    margin-bottom: 30px;
}

#vlink-ai-citations-final .vlinkcs__cta {
    font-weight: 700;
    color: #0a192f;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: 0.3s;
}

#vlink-ai-citations-final .vlinkcs__cta:hover {
    color: #0077ff;
    transform: translateX(5px);
}

@media (max-width: 991px) {
    #vlink-ai-citations-final .vlinkcs__rowItem { flex-direction: column; }
    #vlink-ai-citations-final .vlinkcs__colMedia { width: 100%; }
    #vlink-ai-citations-final .vlinkcs__colContent { padding: 30px; text-align: left; }
}

#vlink-final-cta {
    padding: 100px 20px 40px;
    background-color: #ffffff;
    font-family: "Inter", sans-serif;
}

#vlink-final-cta .vlinkcs__wrap {
    max-width: 1100px;
    margin: 0 auto;
}

#vlink-final-cta .vlinkcs__footerBox {
    background: #0a192f;
    border-radius: 30px;
    padding: 80px 40px;
    text-align: center; /* Đảm bảo mọi thứ bên trong được canh giữa */
    color: #ffffff;
    position: relative;
    overflow: hidden;
}

/* --- BADGE & LIVE DOT CANH GIỮA --- */
#vlink-final-cta .vlinkcs__badgeRow--center {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 25px;
}

#vlink-final-cta .vlinkcs__badge {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #ffffff;
    padding: 6px 16px;
    border-radius: 100px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 8px;
}

#vlink-final-cta .vlinkcs__liveDot--green {
    width: 8px;
    height: 8px;
    background: #10b981; /* Màu xanh lá */
    border-radius: 50%;
    position: relative;
    display: inline-block;
}

#vlink-final-cta .vlinkcs__liveDot--green::after {
    content: "";
    position: absolute;
    width: 100%;
    height: 100%;
    background: inherit;
    border-radius: inherit;
    animation: ctaPulse 2s infinite;
}

@keyframes ctaPulse {
    0% { transform: scale(1); opacity: 0.8; }
    100% { transform: scale(3); opacity: 0; }
}

/* --- HEADING & DESC CANH GIỮA --- */
#vlink-final-cta .vlinkcs__footerH2 {
    font-size: clamp(30px, 4vw, 46px);
    font-weight: 800;
    line-height: 1.2;
    margin: 0 auto 25px;
    max-width: 800px;
    color: #a8b2d1;
}

#vlink-final-cta .vlinkcs__h2HL {
    color: #0077ff;
}

#vlink-final-cta .vlinkcs__footerDesc {
    font-size: 18px;
    color: #a8b2d1;
    max-width: 700px;
    margin: 0 auto 40px;
    line-height: 1.7;
}

/* --- ACTIONS & TRUST --- */
#vlink-final-cta .vlinkcs__footerActions {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 50px;
}

#vlink-final-cta .vlinkcs__btnPrimary {
    background: #0077ff;
    color: #ffffff;
    padding: 18px 35px;
    border-radius: 12px;
    font-weight: 700;
    text-decoration: none;
    transition: 0.3s;
}

#vlink-final-cta .vlinkcs__btnPrimary:hover {
    background: #005ccb;
    transform: translateY(-3px);
}

#vlink-final-cta .vlinkcs__btnSecondary {
    background: transparent;
    color: #ffffff;
    padding: 18px 35px;
    border-radius: 12px;
    font-weight: 700;
    text-decoration: none;
    border: 1px solid rgba(255,255,255,0.2);
}

#vlink-final-cta .vlinkcs__footerTrust {
    display: flex;
    justify-content: center;
    gap: 30px;
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 40px;
}

#vlink-final-cta .vlinkcs__trustItem {
    font-size: 13px;
    color: #64748b;
}

/* Mini Footer */
#vlink-final-cta .vlinkcs__miniFooter {
    margin-top: 60px;
    display: flex;
    justify-content: space-between;
    padding-top: 20px;
    border-top: 1px solid #f1f5f9;
}

#vlink-final-cta .vlinkcs__copyright, 
#vlink-final-cta .vlinkcs__footerLinks a {
    font-size: 12px;
    color: #94a3b8;
    text-decoration: none;
}

@media (max-width: 768px) {
    #vlink-final-cta .vlinkcs__footerActions { flex-direction: column; }
    #vlink-final-cta .vlinkcs__footerTrust { flex-direction: column; gap: 10px; }
    #vlink-final-cta .vlinkcs__miniFooter { flex-direction: column; gap: 15px; text-align: center; }
}