/* ═══ 3 GOI CARDS — CHẠM TINH TRỌN ═══ */
.bg-3goi{padding:16px 0}
.bg-3goi-inner{padding:0}
.bg-3goi-eyebrow{text-align:center;margin:0 0 36px}
.bg-3goi-eyebrow-tag{display:inline-flex;align-items:center;gap:10px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:0.14em;color:#E20612;background:rgba(226,6,18,0.08);border:1px solid rgba(226,6,18,0.12);padding:6px 16px;border-radius:100px}
.bg-3goi-eyebrow-tag::before{content:'';width:18px;height:2px;background:#E20612;border-radius:2px}
.bg-3goi-headline{text-align:center;margin:0 0 40px;padding:0 16px}
.bg-3goi-headline h2{font-size:clamp(24px,3.5vw,40px);font-weight:800;color:#1a1a1a;letter-spacing:-0.03em;line-height:1.15;margin:0 0 12px}
.bg-3goi-headline p{font-size:14px;color:#777;max-width:540px;margin:0 auto;line-height:1.7}
.bg-3goi-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:0;padding:0}

.bg-3goi-card{position:relative;background:#fff;border:1px solid #e5e5e5;border-radius:16px;overflow:hidden;transition:transform .3s,box-shadow .3s;display:flex;flex-direction:column}
.bg-3goi-card:hover{transform:translateY(-4px);box-shadow:0 16px 48px rgba(0,0,0,0.08)}
.bg-3goi-card--featured{background:#1a1a1a;border-color:#1a1a1a}
.bg-3goi-card--featured:hover{box-shadow:0 20px 56px rgba(0,0,0,0.25)}

.bg-3goi-card-head{padding:28px 24px 0;text-align:center}
.bg-3goi-card-icon{font-size:28px;margin:0 0 10px;line-height:1;color:#E20612}
.bg-3goi-card-name{font-size:clamp(22px,2.5vw,28px);font-weight:800;color:#1a1a1a;margin:0 0 2px;letter-spacing:-0.02em}
.bg-3goi-card--featured .bg-3goi-card-name{color:#fff}
.bg-3goi-card-tag{display:inline-block;font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:0.1em;padding:3px 12px;border-radius:100px;margin:8px 0 4px;color:#999;background:#f0f0f0}
.bg-3goi-card--featured .bg-3goi-card-tag{color:#E20612;background:rgba(226,6,18,0.14)}

.bg-3goi-card-div{width:32px;height:2px;background:#E20612;margin:16px auto;border-radius:2px;opacity:0.3}
.bg-3goi-card--featured .bg-3goi-card-div{opacity:0.5}

.bg-3goi-checklist{list-style:none;margin:0;padding:0 24px;flex:1}
.bg-3goi-checklist li{font-size:12px;color:#555;padding:8px 0;display:flex;align-items:flex-start;gap:10px;line-height:1.5;border-bottom:1px solid #f0f0f0}
.bg-3goi-checklist li:last-child{border-bottom:none}
.bg-3goi-card--featured .bg-3goi-checklist li{color:rgba(255,255,255,0.7);border-bottom-color:rgba(255,255,255,0.1)}

.bg-3goi-checklist .chk-wrap{flex-shrink:0;width:16px;height:16px;margin-top:2px;border-radius:50%;background:#1a1a1a;display:inline-flex;align-items:center;justify-content:center}
.bg-3goi-checklist .chk-wrap svg{width:10px;height:10px;stroke:#fff}
.bg-3goi-card--featured .bg-3goi-checklist .chk-wrap{background:#E20612}
.bg-3goi-checklist .crs-wrap{flex-shrink:0;width:16px;height:16px;margin-top:2px;border-radius:50%;background:transparent;display:inline-flex;align-items:center;justify-content:center}
.bg-3goi-checklist .crs-wrap svg{width:8px;height:8px;stroke:#ccc}
.bg-3goi-card--featured .bg-3goi-checklist .crs-wrap svg{stroke:rgba(255,255,255,0.2)}

.bg-3goi-card-foot{padding:20px 24px 24px;text-align:center}
.bg-3goi-card-cta{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 22px;border-radius:100px;font-size:12px;font-weight:700;text-decoration:none;cursor:pointer;transition:all .25s;background:#1a1a1a;color:#fff;border:none}
.bg-3goi-card-cta:hover{background:#333;transform:translateY(-1px)}
.bg-3goi-card--featured .bg-3goi-card-cta{background:#E20612;border-color:#E20612}
.bg-3goi-card--featured .bg-3goi-card-cta:hover{background:#ff1a25}
.bg-3goi-card-cta svg{width:14px;height:14px;stroke:#fff}

@media(max-width:900px){.bg-3goi-cards{grid-template-columns:repeat(2,1fr);gap:12px}.bg-3goi-card--featured{grid-column:1/-1}}
@media(max-width:560px){.bg-3goi-cards{grid-template-columns:1fr;gap:12px}.bg-3goi-card--featured{grid-column:auto}.bg-3goi-eyebrow{margin-bottom:24px}.bg-3goi-headline{margin-bottom:28px}.bg-3goi-headline h2{font-size:22px}}