/* ══════════════════════════════════════
   TES TECHNOLOGY — DESIGN SYSTEM v5
   Spacing: 8px scale (8,16,24,32,48,64,80)
   Radius: 14px (cards), 100px (pills)
   Colors: Aidox gradient #2563EB→#0EA5E9→#06B6D4
   Type: Plus Jakarta Sans
   ══════════════════════════════════════ */

/* ── RESET ── */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Plus Jakarta Sans',sans-serif;color:#1E293B;background:#fff;line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}a{text-decoration:none;color:inherit}button{font-family:inherit;cursor:pointer;border:none;background:none}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
section{padding:80px 0}
@media(max-width:768px){section{padding:56px 0}.wrap{padding:0 16px}}

/* ── TYPOGRAPHY SCALE ── */
.sec-label{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:#0EA5E9;margin-bottom:12px}
.sec-label::before{content:'';width:24px;height:2px;background:#0EA5E9;border-radius:2px}
.sec-title{font-size:clamp(28px,4vw,40px);font-weight:800;line-height:1.15;letter-spacing:-.5px;margin-bottom:16px;color:#1E293B}
.sec-desc{font-size:16px;color:#64748B;max-width:580px;line-height:1.7}
.sec-head{text-align:center;margin-bottom:48px}
.sec-head .sec-desc{margin:0 auto}
@media(max-width:768px){.sec-head{margin-bottom:32px}.sec-title{margin-bottom:12px}}

/* On dark backgrounds */
.on-dark .sec-label{color:rgba(255,255,255,.65)}.on-dark .sec-label::before{background:rgba(255,255,255,.4)}
.on-dark .sec-title{color:#fff}.on-dark .sec-desc{color:rgba(255,255,255,.7)}

/* ── BUTTONS ── */
.btn-primary-pill{display:inline-flex;align-items:center;gap:8px;background:#fff;color:#1D4ED8;padding:14px 32px;font-size:16px;font-weight:700;border-radius:100px;box-shadow:0 2px 16px rgba(255,255,255,.25);transition:all .3s}
.btn-primary-pill:hover{transform:translateY(-2px);box-shadow:0 8px 32px rgba(255,255,255,.35)}
.btn-text-link{display:inline-flex;align-items:center;gap:6px;background:none;border:none;color:rgba(255,255,255,.7);font-size:16px;font-weight:600;padding:14px 8px;transition:all .3s}
.btn-text-link:hover{color:#fff}.btn-text-link .arrow{display:inline-block;transition:transform .3s}.btn-text-link:hover .arrow{transform:translateX(4px)}
.btn-white{display:inline-flex;align-items:center;gap:8px;background:#fff;color:#1D4ED8;padding:14px 32px;font-size:15px;font-weight:700;border-radius:14px;box-shadow:0 2px 12px rgba(0,0,0,.08);transition:all .3s}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 6px 24px rgba(0,0,0,.12)}
@media(max-width:768px){.btn-primary-pill,.btn-white{padding:12px 24px;font-size:15px}}

/* ── NAVBAR ── */
.navbar{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:blur(16px);border-bottom:1px solid #E2E8F0;transition:box-shadow .3s}
.navbar.scrolled{box-shadow:0 1px 8px rgba(0,0,0,.05)}
.nav-inner{max-width:1200px;margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;height:64px}
.nav-logo img{height:56px}
.nav-menu{display:flex;gap:32px;list-style:none}
.nav-menu a{font-size:15px;font-weight:600;color:#64748B;transition:color .3s}.nav-menu a:hover{color:#0EA5E9}
.nav-right{display:flex;align-items:center;gap:12px}
.lang-btn{font-size:13px;font-weight:800;letter-spacing:1px;padding:6px 14px;border-radius:8px;background:#F0F9FF;color:#0EA5E9;border:1px solid #E0F2FE;transition:all .3s}.lang-btn:hover{background:#E0F2FE}
.hamburger{display:none;padding:6px}.hamburger span{display:block;width:20px;height:2px;background:#334155;margin:4px 0;border-radius:2px}
@media(max-width:768px){.nav-menu{display:none}.hamburger{display:block}.nav-inner{padding:0 16px;height:56px}.nav-logo img{height:44px}
.nav-menu.open{display:flex;flex-direction:column;position:absolute;top:56px;left:0;right:0;background:#fff;padding:16px;gap:12px;border-bottom:1px solid #E2E8F0;box-shadow:0 4px 12px rgba(0,0,0,.06)}}

/* ══ 1. HERO ══ */
.hero{display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#2563EB 0%,#0EA5E9 50%,#06B6D4 100%);padding:128px 0 72px}
.hero-inner{max-width:680px;margin:0 auto;padding:0 24px;text-align:center;position:relative;z-index:2}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border-radius:100px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.15);font-size:14px;font-weight:600;color:rgba(255,255,255,.85);margin-bottom:24px}
.hero-badge .pulse-dot{width:6px;height:6px;border-radius:50%;background:#fff;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.3}}
.hero h1{font-size:clamp(36px,5.5vw,54px);font-weight:800;line-height:1.08;color:#fff;margin-bottom:16px;letter-spacing:-1px}
.hero-desc{font-size:17px;color:rgba(255,255,255,.7);line-height:1.7;margin-bottom:24px;max-width:540px;margin-left:auto;margin-right:auto}
.hero-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;align-items:center}
@media(max-width:768px){.hero{padding:100px 0 56px}.hero h1{font-size:clamp(28px,7vw,36px)}.hero-desc{font-size:15px;margin-bottom:20px}.hero-inner{padding:0 16px}}

/* ══ 2. STATS STRIP ══ */
.stats-strip{background:linear-gradient(135deg,#1E40AF 0%,#0E7490 100%);padding:48px 0}
.stats-inner{max-width:1200px;margin:0 auto;padding:0 24px;display:grid;grid-template-columns:repeat(4,1fr)}
.stat-card{text-align:center;position:relative;padding:0 16px}
.stat-card+.stat-card::before{content:'';position:absolute;left:0;top:15%;height:70%;width:1px;background:rgba(255,255,255,.15)}
.stat-card .stat-num{font-size:40px;font-weight:800;color:#fff;letter-spacing:-1px}
.stat-card .stat-lbl{font-size:15px;color:rgba(255,255,255,.65);margin-top:4px;font-weight:500}
@media(max-width:768px){.stats-strip{padding:32px 0}.stats-inner{grid-template-columns:repeat(2,1fr);gap:24px 0;padding:0 16px}.stat-card .stat-num{font-size:32px}.stat-card+.stat-card::before{display:none}}

/* ══ 3. ABOUT ══ */
.about{background:#fff}
.about-inner{max-width:760px;margin:0 auto;text-align:center}
.about-inner .sec-desc{margin:0 auto 32px}
.about-highlights{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.about-hl{padding:24px 16px;text-align:center;position:relative;transition:all .3s;border:1px solid #E2E8F0;border-radius:14px;background:#fff}

.about-hl:hover{background:#F0F9FF;transform:translateY(-4px);box-shadow:0 6px 24px rgba(37,99,235,.06)}
.about-hl .hl-icon{width:40px;height:40px;margin:0 auto 12px;border-radius:10px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#EFF6FF,#E0F2FE)}
.about-hl .hl-icon svg{width:18px;height:18px;stroke:#2563EB;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.about-hl h4{font-size:15px;font-weight:700;margin-bottom:4px}
.about-hl p{font-size:13px;color:#94A3B8;margin:0}
@media(max-width:768px){.about-highlights{grid-template-columns:1fr 1fr;gap:10px}}

/* ══ 4. SERVICES ══ */
.services{background:#F8FBFF}
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.svc-card{background:#fff;border:1px solid #E2E8F0;border-radius:14px;padding:24px;transition:all .3s;position:relative;overflow:hidden}
.svc-card::after{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,#2563EB,#06B6D4);transform:scaleX(0);transform-origin:left;transition:transform .4s}
.svc-card:hover{transform:translateY(-4px);box-shadow:0 8px 32px rgba(37,99,235,.08);border-color:#BFDBFE}.svc-card:hover::after{transform:scaleX(1)}
.svc-icon{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.svc-icon svg{width:22px;height:22px;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.svc-icon.c1{background:#EFF6FF}.svc-icon.c1 svg{stroke:#2563EB}
.svc-icon.c2{background:#ECFEFF}.svc-icon.c2 svg{stroke:#06B6D4}
.svc-icon.c3{background:#FEF2F2}.svc-icon.c3 svg{stroke:#EF4444}
.svc-icon.c4{background:#EEF2FF}.svc-icon.c4 svg{stroke:#6366F1}
.svc-icon.c5{background:#ECFDF5}.svc-icon.c5 svg{stroke:#10B981}
.svc-icon.c6{background:#F5F3FF}.svc-icon.c6 svg{stroke:#8B5CF6}
.svc-card h3{font-size:18px;font-weight:700;margin-bottom:8px}
.svc-card>p{font-size:15px;color:#64748B;line-height:1.6;margin-bottom:12px}
.svc-detail{font-size:13px;color:#475569;line-height:1.5;margin-bottom:12px;padding:10px 12px;background:#F8FAFC;border-radius:8px;border-left:3px solid #BFDBFE}
.svc-tags{display:flex;flex-wrap:wrap;gap:4px}
.svc-tag{font-size:12px;font-weight:600;padding:3px 8px;background:#F0F9FF;border-radius:6px;color:#0891B2;border:1px solid #E0F2FE}
@media(max-width:1024px){.svc-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){.svc-grid{grid-template-columns:1fr;gap:12px}.svc-card{padding:20px}}

/* ══ 5. WHY ══ */
.why{background:#fff}
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.why-card{text-align:center;padding:24px 16px;border-radius:14px;background:#F8FBFF;border:1px solid #E2E8F0;transition:all .3s}
.why-card:hover{transform:translateY(-4px);box-shadow:0 6px 24px rgba(37,99,235,.06);background:#fff;border-color:#93C5FD}
.why-num{font-size:40px;font-weight:800;margin-bottom:12px;background:linear-gradient(135deg,#2563EB,#06B6D4);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.why-card h4{font-size:16px;font-weight:700;margin-bottom:6px}
.why-card p{font-size:14px;color:#64748B;line-height:1.6}
@media(max-width:1024px){.why-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){.why-grid{grid-template-columns:1fr;gap:12px}.why-card{text-align:left;display:grid;grid-template-columns:56px 1fr;gap:0 16px;align-items:center;padding:20px}.why-num{margin:0;grid-row:1/3;font-size:32px;text-align:center}}

/* ══ 6. PARTNERS ══ */
.partners{background:linear-gradient(135deg,#2563EB,#0EA5E9,#06B6D4);color:#fff;padding:80px 0}
.partner-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.partner-card{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;padding:20px 12px;border-radius:14px;background:rgba(255,255,255,.95);border:1px solid rgba(255,255,255,.3);transition:all .3s}
.partner-card:hover{background:#fff;transform:translateY(-3px);box-shadow:0 8px 24px rgba(0,0,0,.1)}
.partner-card img{height:32px;width:auto;max-width:120px;object-fit:contain;transition:all .3s}
.partner-card:hover img{transform:scale(1.05)}
.partner-card span{font-size:12px;color:#64748B;font-weight:600}
@media(max-width:1024px){.partner-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:768px){.partner-grid{grid-template-columns:repeat(2,1fr);gap:8px}.partner-card{padding:16px 8px;border-radius:12px}.partner-card img{height:26px;max-width:100px}}

/* ══ 7. PROCESS ══ */
.process{background:#F8FBFF}
.process-track{display:grid;grid-template-columns:repeat(4,1fr);position:relative}
.process-track::before{content:'';position:absolute;top:32px;left:12.5%;right:12.5%;height:2px;background:linear-gradient(90deg,#2563EB,#06B6D4);border-radius:2px}
.step{text-align:center;position:relative;z-index:1;padding:0 12px}
.step-num{width:64px;height:64px;border-radius:50%;margin:0 auto 16px;display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:800;color:#fff;background:linear-gradient(135deg,#2563EB,#06B6D4);box-shadow:0 4px 16px rgba(37,99,235,.2);transition:all .3s}
.step:hover .step-num{transform:scale(1.08);box-shadow:0 6px 24px rgba(37,99,235,.3)}
.step h4{font-size:16px;font-weight:700;margin-bottom:6px}
.step p{font-size:14px;color:#64748B;line-height:1.55}
.step .step-sub{font-size:13px;color:#94A3B8;margin-top:6px}
@media(max-width:1024px){.process-track{grid-template-columns:repeat(2,1fr);gap:32px}.process-track::before{display:none}}
@media(max-width:768px){.process-track{grid-template-columns:1fr;gap:20px}.step{display:grid;grid-template-columns:56px 1fr;gap:0 16px;text-align:left}.step-num{margin:0;grid-row:1/4;width:56px;height:56px;font-size:20px}.step h4,.step p,.step .step-sub{grid-column:2}}

/* ══ 8. INDUSTRIES ══ */
.industries{background:#fff}
.ind-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.ind-card{padding:24px 16px;border-radius:14px;text-align:center;background:#F8FBFF;border:1px solid #E2E8F0;transition:all .3s}
.ind-card:hover{border-color:#93C5FD;background:#fff;transform:translateY(-3px);box-shadow:0 4px 16px rgba(37,99,235,.05)}
.ind-card svg{width:28px;height:28px;margin:0 auto 10px;stroke:#2563EB;fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.ind-card h4{font-size:15px;font-weight:700;color:#334155}
.ind-card p{font-size:13px;color:#94A3B8;margin-top:4px}
@media(max-width:1024px){.ind-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:768px){.ind-grid{grid-template-columns:repeat(2,1fr);gap:8px}.ind-card{padding:20px 12px}}

/* ══ 9. PROJECTS ══ */
.projects{background:#F8FBFF}
.proj-grid{display:flex;flex-direction:column;gap:16px}
.proj-card{background:#fff;border-radius:14px;border:1px solid #E2E8F0;padding:24px;transition:all .3s;display:grid;grid-template-columns:56px 1fr;gap:0 20px;align-items:start}
.proj-card:hover{transform:translateY(-3px);box-shadow:0 8px 28px rgba(37,99,235,.06);border-color:#BFDBFE}
.proj-icon{width:56px;height:56px;border-radius:14px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#2563EB,#06B6D4);box-shadow:0 4px 12px rgba(37,99,235,.15)}
.proj-icon svg{width:24px;height:24px;stroke:#fff;fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.proj-body{grid-column:2}
.proj-body .proj-cat{display:inline-block;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:1.5px;color:#0EA5E9;margin-bottom:6px;padding:2px 8px;background:#F0F9FF;border-radius:6px}
.proj-body h4{font-size:18px;font-weight:700;margin-bottom:6px}
.proj-body p{font-size:15px;color:#64748B;line-height:1.6}
.proj-stats{display:flex;gap:16px;margin-top:12px;padding-top:12px;border-top:1px solid #F1F5F9;flex-wrap:wrap}
.proj-stat{font-size:14px;color:#94A3B8;display:flex;align-items:center;gap:4px}
.proj-stat strong{color:#2563EB;font-weight:800;font-size:16px}
@media(max-width:768px){.proj-card{grid-template-columns:44px 1fr;gap:0 14px;padding:20px}.proj-icon{width:44px;height:44px;border-radius:11px}.proj-icon svg{width:20px;height:20px}.proj-body h4{font-size:16px}}

/* ══ 10. CERTS ══ */
.certs{background:#fff}
.cert-box{border-radius:14px;padding:0;position:relative}

.cert-box h3{font-size:20px;font-weight:700;margin-bottom:20px;color:#1E293B;text-align:center}
.nums-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.num-card{display:flex;flex-direction:column;align-items:center;text-align:center;padding:24px 16px;background:#F8FBFF;border-radius:14px;border:1px solid #E2E8F0;transition:all .3s}
.num-card:hover{background:#fff;transform:translateY(-4px);box-shadow:0 6px 24px rgba(37,99,235,.06);border-color:#93C5FD}
.num-icon{width:48px;height:48px;border-radius:12px;background:linear-gradient(135deg,#EFF6FF,#E0F2FE);display:flex;align-items:center;justify-content:center;margin-bottom:12px}
.num-icon svg{width:22px;height:22px;stroke:#2563EB;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.num-card .num-big{font-size:32px;font-weight:800;color:#2563EB;line-height:1}
.num-card .num-label{font-size:14px;color:#1E293B;font-weight:600;margin-top:6px}
.num-card .num-sub{font-size:12px;color:#94A3B8;margin-top:2px}

@media(max-width:768px){.nums-grid{grid-template-columns:repeat(2,1fr);gap:10px}.num-card{padding:18px 12px}.num-card .num-big{font-size:26px}}

/* ══ 11. CONTACT ══ */
.contact{background:linear-gradient(135deg,#2563EB 0%,#0EA5E9 50%,#06B6D4 100%);color:#fff;padding-bottom:80px}
.contact-grid{max-width:580px;margin:0 auto}
.contact-item{display:flex;align-items:flex-start;gap:12px}
.contact-icon{width:40px;height:40px;flex-shrink:0;border-radius:10px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);display:flex;align-items:center;justify-content:center}
.contact-icon svg{width:18px;height:18px;stroke:#fff;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.contact-item h4{font-size:16px;font-weight:700;margin-bottom:2px;color:#fff}
.contact-item p,.contact-item a{font-size:15px;color:rgba(255,255,255,.75);line-height:1.5}
.contact-item a:hover{color:#fff}
.form-box{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);border-radius:14px;padding:32px}
.form-box h3{font-size:20px;font-weight:700;margin-bottom:20px;color:#fff}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form-group{margin-bottom:12px}
.form-group label{display:block;font-size:14px;font-weight:600;color:rgba(255,255,255,.55);margin-bottom:4px}
.form-group input,.form-group textarea{width:100%;padding:12px 14px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:10px;color:#fff;font-family:inherit;font-size:15px;transition:all .3s}
.form-group input::placeholder,.form-group textarea::placeholder{color:rgba(255,255,255,.3)}
.form-group input:focus,.form-group textarea:focus{outline:none;border-color:rgba(255,255,255,.25);background:rgba(255,255,255,.08)}
.form-group textarea{min-height:80px;resize:vertical}

@media(max-width:768px){.form-row{grid-template-columns:1fr}.form-box{padding:20px}}

/* ══ 12. FOOTER ══ */
.footer{background:#0C3B5E;padding:48px 0 24px}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:32px;border-bottom:1px solid rgba(255,255,255,.08)}
.footer-brand img{height:52px;margin-bottom:14px;opacity:1}
.footer-brand p{font-size:13px;color:rgba(255,255,255,.55);line-height:1.7;max-width:280px}
.footer-col h4{font-size:12px;font-weight:700;color:rgba(255,255,255,.85);text-transform:uppercase;letter-spacing:1.2px;margin-bottom:14px}
.footer-col a{display:block;font-size:13.5px;color:rgba(255,255,255,.55);margin-bottom:10px;transition:color .2s;line-height:1.5}
.footer-col a:hover{color:#fff}
.footer-bottom{display:flex;justify-content:center;align-items:center;padding-top:20px}
.footer-copy{font-size:12.5px;color:rgba(255,255,255,.4);text-align:center}
@media(max-width:1024px){.footer-top{grid-template-columns:1fr 1fr;gap:32px}}
@media(max-width:640px){.footer-top{grid-template-columns:1fr;gap:24px}.footer-brand p{max-width:none}.footer-bottom{text-align:center}}

/* ══ ANIMATIONS ══ */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}
.reveal.visible{opacity:1;transform:translateY(0)}
.reveal:nth-child(2){transition-delay:.06s}.reveal:nth-child(3){transition-delay:.12s}
.reveal:nth-child(4){transition-delay:.18s}.reveal:nth-child(5){transition-delay:.24s}.reveal:nth-child(6){transition-delay:.3s}

/* ══════════════════════════════════════
   PAGE EXTENSIONS — thêm cho inner pages
   ══════════════════════════════════════ */

/* ── PAGE HEADER (dùng cho inner pages thay hero) ── */
.page-header{background:linear-gradient(135deg,#2563EB 0%,#0EA5E9 50%,#06B6D4 100%);padding:120px 0 64px;color:#fff}
.page-header-inner{max-width:760px;margin:0 auto;padding:0 24px;text-align:center}
.breadcrumb{display:flex;justify-content:center;gap:8px;font-size:14px;color:rgba(255,255,255,.7);margin-bottom:16px;flex-wrap:wrap}
.breadcrumb a{color:rgba(255,255,255,.7);transition:color .3s}.breadcrumb a:hover{color:#fff}
.breadcrumb .sep{color:rgba(255,255,255,.4)}
.page-header h1{font-size:clamp(30px,4.5vw,44px);font-weight:800;line-height:1.15;letter-spacing:-.5px;margin-bottom:16px}
.page-header .page-desc{font-size:17px;color:rgba(255,255,255,.75);line-height:1.7;max-width:620px;margin:0 auto}
@media(max-width:768px){.page-header{padding:96px 0 48px}.page-header h1{font-size:clamp(24px,6vw,32px)}.page-header .page-desc{font-size:15px}}

/* ── PROSE (nội dung dài: blog, trang dịch vụ chi tiết) ── */
.prose{max-width:760px;margin:0 auto;font-size:16px;line-height:1.8;color:#334155}
.prose h2{font-size:28px;font-weight:800;margin:48px 0 16px;color:#1E293B;letter-spacing:-.3px;line-height:1.25}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:20px;font-weight:700;margin:32px 0 12px;color:#1E293B;line-height:1.3}
.prose h4{font-size:17px;font-weight:700;margin:24px 0 8px;color:#1E293B}
.prose p{margin-bottom:16px}
.prose ul,.prose ol{margin:0 0 16px 0;padding-left:24px}
.prose li{margin-bottom:8px}
.prose li::marker{color:#0EA5E9}
.prose strong{color:#1E293B;font-weight:700}
.prose a{color:#2563EB;border-bottom:1px solid #BFDBFE;transition:all .2s}
.prose a:hover{color:#1D4ED8;border-bottom-color:#2563EB}
.prose blockquote{border-left:3px solid #0EA5E9;padding:4px 0 4px 20px;margin:24px 0;color:#475569;font-style:italic;background:#F8FBFF;border-radius:0 8px 8px 0;padding:16px 20px}
.prose blockquote p:last-child{margin-bottom:0}
.prose .callout{background:#F0F9FF;border:1px solid #E0F2FE;border-radius:12px;padding:20px 24px;margin:24px 0;font-size:15px}
.prose .callout-title{font-weight:700;color:#0C4A6E;margin-bottom:6px;font-size:14px;text-transform:uppercase;letter-spacing:1px}
.prose table{width:100%;border-collapse:collapse;margin:20px 0;font-size:15px}
.prose th{background:#F8FBFF;padding:12px 16px;text-align:left;font-weight:700;color:#1E293B;border-bottom:2px solid #E2E8F0}
.prose td{padding:12px 16px;border-bottom:1px solid #F1F5F9;color:#475569}
.prose tr:last-child td{border-bottom:none}
.prose hr{border:none;border-top:1px solid #E2E8F0;margin:32px 0}
@media(max-width:768px){.prose{font-size:15px}.prose h2{font-size:24px;margin:32px 0 12px}.prose h3{font-size:18px}}

/* ── BLOG LIST ── */
.blog-list{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;max-width:1100px;margin:0 auto}
.blog-card{background:#fff;border:1px solid #E2E8F0;border-radius:14px;padding:28px;transition:all .3s;display:flex;flex-direction:column;gap:12px}
.blog-card:hover{transform:translateY(-3px);box-shadow:0 8px 28px rgba(37,99,235,.06);border-color:#BFDBFE}
.blog-card .blog-cat{display:inline-block;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:1.5px;color:#0EA5E9;padding:2px 8px;background:#F0F9FF;border-radius:6px;align-self:flex-start}
.blog-card h3{font-size:20px;font-weight:700;line-height:1.35;color:#1E293B}
.blog-card p{font-size:15px;color:#64748B;line-height:1.6;flex-grow:1}
.blog-card .blog-meta{font-size:13px;color:#94A3B8;padding-top:12px;border-top:1px solid #F1F5F9}
@media(max-width:768px){.blog-list{grid-template-columns:1fr;gap:16px}.blog-card{padding:20px}.blog-card h3{font-size:17px}}

/* ── ARTICLE META (đầu bài blog) ── */
.article-meta{display:flex;gap:16px;align-items:center;justify-content:center;font-size:14px;color:rgba(255,255,255,.7);margin-top:16px;flex-wrap:wrap}
.article-meta .dot{width:3px;height:3px;border-radius:50%;background:rgba(255,255,255,.4)}

/* ── RELATED / NEXT (cuối bài blog) ── */
.related{background:#F8FBFF;border-top:1px solid #E2E8F0;padding:64px 0}
.related h3{font-size:20px;font-weight:800;margin-bottom:24px;text-align:center;color:#1E293B}

/* ── SERVICE DETAIL SECTIONS ── */
.detail-section{padding:64px 0}
.detail-section:nth-child(even){background:#F8FBFF}
.detail-grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;max-width:1000px;margin:0 auto}
.detail-item{background:#fff;border:1px solid #E2E8F0;border-radius:14px;padding:24px;transition:all .3s}
.detail-item:hover{border-color:#93C5FD;box-shadow:0 4px 16px rgba(37,99,235,.05)}
.detail-item h4{font-size:16px;font-weight:700;margin-bottom:8px;color:#1E293B}
.detail-item p{font-size:14px;color:#64748B;line-height:1.65}
@media(max-width:768px){.detail-grid-2{grid-template-columns:1fr}}

/* ── FAQ ── */
.faq-list{max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{background:#fff;border:1px solid #E2E8F0;border-radius:12px;overflow:hidden}
.faq-item summary{padding:18px 24px;font-size:16px;font-weight:700;color:#1E293B;cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;transition:background .2s}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:'+';font-size:22px;font-weight:400;color:#0EA5E9;transition:transform .3s}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item summary:hover{background:#F8FBFF}
.faq-item .faq-body{padding:0 24px 20px;font-size:15px;color:#475569;line-height:1.7}
.faq-item .faq-body p{margin-bottom:8px}
.faq-item .faq-body p:last-child{margin-bottom:0}

/* ── CTA STRIP (nền xanh ngắn, dùng cuối trang inner) ── */
.cta-strip{background:linear-gradient(135deg,#1E40AF 0%,#0E7490 100%);padding:56px 0;color:#fff;text-align:center}
.cta-strip h2{font-size:clamp(22px,3vw,30px);font-weight:800;margin-bottom:12px;line-height:1.25}
.cta-strip p{font-size:16px;color:rgba(255,255,255,.75);margin-bottom:24px;max-width:520px;margin-left:auto;margin-right:auto}
.cta-strip .btn-white{background:#fff;color:#1D4ED8}