#hero-expert{align-items:flex-end;min-height:62vh;display:flex;position:relative;overflow:hidden}.hero-bg-img{filter:brightness(.3)saturate(.8);background:url(/study_room.jpg) 50%/cover no-repeat;animation:18s ease-in-out infinite alternate kbZoom;position:absolute;inset:0;transform:scale(1.04)}@keyframes kbZoom{0%{transform:scale(1.04)}to{transform:scale(1.1)translate(-1%,.5%)}}.hero-grad{background:linear-gradient(#0d08184d 0%,#0d081800 40%,#0d0818f2 100%),linear-gradient(135deg,#4a1d6b66 0%,#0000 60%);position:absolute;inset:0}.hero-exp-content{z-index:1;width:100%;max-width:1200px;margin:0 auto;padding:0 2rem 4rem;position:relative}.breadcrumb{color:var(--text-muted);align-items:center;gap:8px;margin-bottom:1.25rem;font-size:.78rem;display:flex}.breadcrumb a{color:var(--text-muted);transition:color var(--transition);text-decoration:none}.breadcrumb a:hover{color:var(--teal-light)}.breadcrumb span{color:var(--text-dim)}.hero-exp-title{font-family:var(--font-playfair), serif;margin-bottom:1rem;font-size:clamp(2.2rem,5vw,3.8rem);font-weight:700;line-height:1.15}.hero-exp-sub{color:var(--text-muted);max-width:560px;font-size:1.05rem;line-height:1.75}#profile{background:linear-gradient(#0000,#6b2d8b0d,#0000)}.profile-grid{grid-template-columns:380px 1fr;align-items:start;gap:5rem;display:grid}.profile-left{position:sticky;top:100px}.profile-photo-wrap{margin-bottom:2rem;position:relative}.profile-photo-wrap img{border-radius:var(--radius-lg);filter:saturate(.9);width:100%;display:block}.profile-photo-wrap:before{content:"";border-radius:calc(var(--radius-lg) + 3px);background:linear-gradient(135deg, var(--purple), var(--teal));z-index:-1;position:absolute;inset:-3px}.glow-ring{z-index:-2;background:radial-gradient(circle,#6b2d8b40 0%,#0000 65%);border-radius:50%;animation:10s linear infinite glow-spin;position:absolute;inset:-30px}@keyframes glow-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.badge-cert{-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border:1px solid var(--border);border-radius:var(--radius-md);text-align:center;background:#0d0818eb;min-width:100px;padding:.75rem 1rem;position:absolute;top:20px;right:-18px}.badge-cert .num{font-family:var(--font-playfair), serif;color:var(--gold);font-size:1.6rem;font-weight:700}.badge-cert .lbl{color:var(--text-muted);text-transform:uppercase;letter-spacing:.08em;font-size:.65rem}.badge-rating{-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border:1px solid var(--border-teal);border-radius:var(--radius-md);background:#0d0818eb;align-items:center;gap:8px;padding:.75rem 1rem;display:flex;position:absolute;bottom:20px;left:-18px}.badge-rating .stars{color:var(--gold);font-size:.9rem}.badge-rating .rt{color:var(--text-muted);font-size:.75rem}.profile-info-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);padding:1.5rem}.profile-info-card h3{font-family:var(--font-playfair), serif;color:var(--text-main);border-bottom:1px solid var(--border);margin-bottom:1rem;padding-bottom:.75rem;font-size:1rem;font-weight:600}.info-row{border-bottom:1px solid #ffffff0a;justify-content:space-between;padding:.5rem 0;font-size:.82rem;display:flex}.info-row:last-child{border-bottom:none}.info-row .lbl{color:var(--text-dim)}.info-row .val{color:var(--text-muted);text-align:right;font-weight:500}.social-row{justify-content:center;gap:.6rem;margin-top:1.25rem;display:flex}.soc-btn{border-radius:var(--radius-sm);background:var(--bg-card);border:1px solid var(--border);color:var(--text-muted);text-align:center;transition:all var(--transition);cursor:pointer;flex:1;padding:.6rem;font-size:.8rem;font-weight:500;text-decoration:none}.soc-btn:hover{background:var(--purple);border-color:var(--purple);color:#fff}.expert-name{font-family:var(--font-playfair), serif;margin-bottom:.5rem;font-size:clamp(1.8rem,3.5vw,2.8rem);font-weight:700;line-height:1.2}.expert-title{border:1px solid var(--border-teal);color:var(--teal-light);letter-spacing:.08em;background:#1a9e7a1a;border-radius:50px;align-items:center;gap:8px;margin-bottom:1.75rem;padding:5px 16px;font-size:.82rem;display:inline-flex}.section-divider{background:linear-gradient(90deg, var(--purple), var(--teal));border-radius:2px;width:60px;height:3px;margin:1.5rem 0}.bio-text{color:var(--text-muted);margin-bottom:1rem;font-size:.97rem;line-height:1.9}.highlight-quote{border-left:3px solid var(--purple);border-radius:0 var(--radius-sm) var(--radius-sm) 0;background:#6b2d8b12;margin:2rem 0;padding:1rem 1.5rem}.highlight-quote p{font-family:var(--font-playfair), serif;color:var(--gold);font-size:1.05rem;font-style:italic;line-height:1.6}.highlight-quote cite{color:var(--text-dim);margin-top:.5rem;font-size:.78rem;font-style:normal;display:block}.stats-row{grid-template-columns:repeat(4,1fr);gap:1rem;margin:2.5rem 0;display:grid}.stat-box{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);text-align:center;transition:all var(--transition);padding:1.25rem}.stat-box:hover{border-color:var(--purple-light);box-shadow:0 8px 30px var(--purple-glow);transform:translateY(-3px)}.stat-box .s-num{font-family:var(--font-playfair), serif;color:var(--gold);font-size:1.9rem;font-weight:700}.stat-box .s-lbl{color:var(--text-muted);text-transform:uppercase;letter-spacing:.08em;margin-top:2px;font-size:.72rem}#chuyen-mon{background:linear-gradient(#0000,#1a9e7a0a,#0000)}.section-label-row{color:var(--teal-light);letter-spacing:.15em;text-transform:uppercase;align-items:center;gap:12px;margin-bottom:1rem;font-size:.75rem;display:flex}.section-label-row:after{content:"";background:linear-gradient(90deg, var(--border-teal), transparent);flex:1;height:1px}.spec-grid{grid-template-columns:repeat(2,1fr);gap:1.5rem;display:grid}.spec-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);transition:all var(--transition);gap:1.5rem;padding:2rem;display:flex;position:relative;overflow:hidden}.spec-card:after{content:"";background:linear-gradient(90deg, var(--purple), var(--teal));height:2px;transition:transform var(--transition);transform-origin:0;position:absolute;bottom:0;left:0;right:0;transform:scaleX(0)}.spec-card:hover:after{transform:scaleX(1)}.spec-card:hover{border-color:var(--purple-light);box-shadow:0 12px 40px var(--purple-glow);transform:translateY(-4px)}.spec-icon{border:1px solid var(--border);background:#6b2d8b26;border-radius:16px;flex-shrink:0;justify-content:center;align-items:center;width:64px;height:64px;font-size:1.8rem;display:flex}.spec-icon.teal{border-color:var(--border-teal);background:#1a9e7a26}.spec-icon.gold{background:#d4af371f;border-color:#d4af3740}.spec-name{font-family:var(--font-playfair), serif;color:var(--text-main);margin-bottom:.5rem;font-size:1.15rem;font-weight:600}.spec-desc{color:var(--text-muted);margin-bottom:.75rem;font-size:.85rem;line-height:1.7}.spec-tags{flex-wrap:wrap;gap:.4rem;display:flex}.tag{border:1px solid var(--border);color:var(--text-muted);letter-spacing:.05em;background:#6b2d8b26;border-radius:20px;padding:3px 10px;font-size:.68rem}.tag.teal{border-color:var(--border-teal);color:var(--teal-light);background:#1a9e7a1f}.skills-grid{grid-template-columns:1fr 1fr;align-items:start;gap:3rem;display:grid}.skill-col-title{font-family:var(--font-playfair), serif;color:var(--text-main);margin-bottom:1.75rem;font-size:1.25rem;font-weight:600}.skill-item{margin-bottom:1.5rem}.skill-header{justify-content:space-between;align-items:flex-end;margin-bottom:.5rem;display:flex}.skill-name{color:var(--text-main);font-size:.9rem;font-weight:500}.skill-desc-mini{color:var(--text-dim);font-size:.72rem}.skill-pct{font-family:var(--font-playfair), serif;color:var(--gold);font-size:1rem;font-weight:600}.skill-track{background:#ffffff12;border-radius:3px;height:6px;overflow:hidden}.skill-fill{background:linear-gradient(90deg, var(--purple), var(--teal));border-radius:3px;width:0%;height:100%;transition:width 1.6s cubic-bezier(.4,0,.2,1);position:relative}.skill-fill:after{content:"";background:var(--teal-light);width:10px;height:10px;box-shadow:0 0 8px var(--teal-glow);border-radius:50%;position:absolute;top:50%;right:0;transform:translateY(-50%)}#hanh-trinh{background:linear-gradient(#0000,#6b2d8b0f,#0000)}.timeline{padding-left:3rem;position:relative}.timeline:before{content:"";background:linear-gradient(180deg, var(--purple), var(--teal), transparent);width:2px;position:absolute;top:0;bottom:0;left:1rem}.tl-item{margin-bottom:3rem;position:relative}.tl-item:last-child{margin-bottom:0}.tl-dot{background:linear-gradient(135deg, var(--purple), var(--teal));width:20px;height:20px;box-shadow:0 0 14px var(--purple-glow);border-radius:50%;justify-content:center;align-items:center;display:flex;position:absolute;top:.3rem;left:-2.45rem}.tl-dot:after{content:"";background:#fff;border-radius:50%;width:8px;height:8px}.tl-year{color:var(--teal-light);letter-spacing:.12em;text-transform:uppercase;margin-bottom:.4rem;font-size:.72rem;font-weight:600}.tl-title{font-family:var(--font-playfair), serif;color:var(--text-main);margin-bottom:.5rem;font-size:1.15rem;font-weight:600}.tl-body{color:var(--text-muted);font-size:.875rem;line-height:1.75}.tl-tag{border:1px solid var(--border);color:var(--text-muted);background:#6b2d8b26;border-radius:20px;margin-top:.6rem;padding:3px 12px;font-size:.68rem;display:inline-block}.awards-grid{grid-template-columns:repeat(3,1fr);gap:1.5rem;display:grid}.award-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);text-align:center;transition:all var(--transition);padding:2rem;position:relative;overflow:hidden}.award-card:before{content:"";opacity:0;transition:opacity var(--transition);background:linear-gradient(135deg,#6b2d8b14,#1a9e7a0d);position:absolute;inset:0}.award-card:hover:before{opacity:1}.award-card:hover{border-color:var(--gold);transform:translateY(-4px);box-shadow:0 12px 35px #d4af3726}.award-icon{margin-bottom:1rem;font-size:2.5rem}.award-title{font-family:var(--font-playfair), serif;color:var(--gold);margin-bottom:.5rem;font-size:1rem;font-weight:600}.award-org{color:var(--text-muted);margin-bottom:.4rem;font-size:.82rem}.award-year{color:var(--text-dim);font-size:.72rem}#phuong-phap{background:linear-gradient(#0000,#1a9e7a0a,#0000)}.method-grid{grid-template-columns:repeat(4,1fr);gap:1.25rem;display:grid}.method-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);text-align:center;transition:all var(--transition);padding:1.75rem 1.5rem}.method-card:hover{border-color:var(--purple-light);box-shadow:0 10px 30px var(--purple-glow);transform:translateY(-4px)}.method-step{background:linear-gradient(135deg, var(--purple), var(--teal));width:42px;height:42px;font-family:var(--font-playfair), serif;color:#fff;border-radius:50%;justify-content:center;align-items:center;margin:0 auto 1.25rem;font-size:1.1rem;font-weight:700;display:flex}.method-title{font-family:var(--font-playfair), serif;color:var(--text-main);margin-bottom:.5rem;font-size:.95rem;font-weight:600}.method-desc{color:var(--text-muted);font-size:.8rem;line-height:1.6}.testi-grid{grid-template-columns:repeat(2,1fr);gap:1.5rem;display:grid}.testi-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);transition:all var(--transition);padding:2rem}.testi-card:hover{border-color:var(--teal);box-shadow:0 8px 30px var(--teal-glow)}.testi-stars{color:var(--gold);letter-spacing:3px;margin-bottom:1rem;font-size:.85rem}.testi-text{color:var(--text-muted);margin-bottom:1.5rem;padding-left:1.25rem;font-size:.9rem;font-style:italic;line-height:1.85;position:relative}.testi-text:before{content:"\"";font-family:var(--font-playfair), serif;color:var(--purple);opacity:.5;font-size:2rem;line-height:1;position:absolute;top:-.3rem;left:0}.testi-author{align-items:center;gap:12px;display:flex}.testi-ava{background:linear-gradient(135deg, var(--purple), var(--teal));border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:46px;height:46px;font-size:1.2rem;display:flex}.testi-name{color:var(--text-main);font-size:.9rem;font-weight:600}.testi-loc{color:var(--text-dim);font-size:.75rem}.testi-service{border:1px solid var(--border-teal);color:var(--teal-light);background:#1a9e7a1f;border-radius:10px;margin-top:.3rem;padding:2px 8px;font-size:.65rem;display:inline-block}#cta-exp{background:linear-gradient(135deg, var(--purple-dark), #0d2b25);border-top:1px solid var(--border);border-bottom:1px solid var(--border-teal)}.cta-inner{text-align:center;max-width:800px;margin:0 auto;padding:5rem 2rem}.cta-title{font-family:var(--font-playfair), serif;color:var(--text-main);margin-bottom:1rem;font-size:clamp(1.8rem,3vw,2.5rem);font-weight:700}.cta-desc{color:var(--text-muted);margin-bottom:2.5rem;line-height:1.8}.cta-actions{flex-wrap:wrap;justify-content:center;gap:1rem;display:flex}@media (max-width:1024px){.profile-grid{grid-template-columns:1fr}.profile-left{position:static}.profile-photo-wrap{max-width:380px;margin:0 auto 2rem}.spec-grid{grid-template-columns:1fr}.awards-grid,.method-grid{grid-template-columns:repeat(2,1fr)}.testi-grid,.skills-grid{grid-template-columns:1fr}.stats-row{grid-template-columns:repeat(2,1fr)}}@media (max-width:768px){#hero-expert{align-items:flex-start;min-height:auto;padding-top:90px}.hero-exp-content{padding-top:2rem;padding-left:1.5rem;padding-right:1.5rem}.hero-exp-title{font-size:2.2rem}.spec-card{flex-direction:column;gap:1rem;padding:1.5rem}.awards-grid,.method-grid{grid-template-columns:1fr}}