/* ============================================================
   SEO NHANH – Design System v2.0
   ============================================================ */
:root{
  --brand:#0ea5e9; --brand-d:#0284c7; --brand-l:#e0f2fe;
  --accent:#6366f1; --accent-l:#eef2ff;
  --green:#10b981; --orange:#f59e0b; --red:#ef4444;
  --ink:#0f172a; --ink2:#1e293b; --ink3:#475569;
  --muted:#94a3b8; --light:#cbd5e1; --border:#e2e8f0;
  --bg:#f8fafc; --bg2:#f1f5f9; --white:#ffffff;
  --grad:linear-gradient(135deg,#0ea5e9,#6366f1);
  --grad-l:linear-gradient(135deg,#e0f2fe,#eef2ff);
  --grad-mesh:radial-gradient(ellipse at 15% 60%,rgba(14,165,233,.07) 0%,transparent 55%),
    radial-gradient(ellipse at 85% 15%,rgba(99,102,241,.06) 0%,transparent 55%),
    radial-gradient(ellipse at 55% 90%,rgba(16,185,129,.05) 0%,transparent 50%);
  --sh-xs:0 1px 2px rgba(0,0,0,.05);
  --sh-sm:0 2px 8px rgba(0,0,0,.06),0 1px 3px rgba(0,0,0,.04);
  --sh-md:0 8px 24px rgba(0,0,0,.08),0 2px 8px rgba(0,0,0,.04);
  --sh-lg:0 24px 64px rgba(0,0,0,.10),0 8px 24px rgba(0,0,0,.05);
  --sh-xl:0 48px 96px rgba(0,0,0,.12);
  --sh-brand:0 8px 32px rgba(14,165,233,.25);
  --r-sm:8px; --r-md:14px; --r-lg:20px; --r-xl:28px; --r-f:9999px;
  --font:'Plus Jakarta Sans','Segoe UI',system-ui,sans-serif;
  --mono:'JetBrains Mono','Fira Code',monospace;
  --ease:.2s cubic-bezier(.4,0,.2,1);
  --ease-s:.4s cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font);background:var(--white);color:var(--ink);line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
ul{list-style:none}
button{cursor:pointer;font-family:inherit}
::-webkit-scrollbar{width:5px}
::-webkit-scrollbar-track{background:var(--bg)}
::-webkit-scrollbar-thumb{background:var(--grad);border-radius:10px}
::selection{background:var(--brand-l);color:var(--brand-d)}
h1,h2,h3,h4,h5{font-weight:700;line-height:1.15;letter-spacing:-.025em;color:var(--ink)}
h1{font-size:clamp(2.2rem,5vw,3.8rem)}
h2{font-size:clamp(1.7rem,3.2vw,2.6rem)}
h3{font-size:1.2rem}
p{color:var(--ink3);line-height:1.75}
.container{max-width:1180px;margin:0 auto;padding:0 5%}
.sec{padding:5.5rem 0}
.sec-sm{padding:3.5rem 0}
.center{text-align:center}
.g2{display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:center}
/* CHIP */
.chip{display:inline-flex;align-items:center;gap:6px;font-size:.68rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;padding:.28rem .9rem;border-radius:var(--r-f);border:1px solid transparent;margin-bottom:.9rem}
.chip-b{color:var(--brand);background:var(--brand-l);border-color:rgba(14,165,233,.2)}
.chip-i{color:var(--accent);background:var(--accent-l);border-color:rgba(99,102,241,.2)}
.chip-g{color:var(--green);background:rgba(16,185,129,.08);border-color:rgba(16,185,129,.2)}
.chip::before{content:'';width:6px;height:6px;border-radius:50%;background:currentColor;animation:chipP 2s ease infinite}
@keyframes chipP{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(1.5)}}
/* BUTTONS */
.btn{display:inline-flex;align-items:center;gap:.45rem;padding:.7rem 1.6rem;border-radius:var(--r-md);font-size:.875rem;font-weight:600;border:none;transition:var(--ease);white-space:nowrap}
.btn-p{background:var(--grad);color:#fff;box-shadow:var(--sh-brand)}
.btn-p:hover{transform:translateY(-2px);box-shadow:0 12px 36px rgba(14,165,233,.38)}
.btn-o{background:var(--white);color:var(--ink2);border:1.5px solid var(--border);box-shadow:var(--sh-xs)}
.btn-o:hover{border-color:var(--brand);color:var(--brand)}
.btn-g{background:transparent;color:var(--ink3);padding:.6rem 1rem}
.btn-g:hover{color:var(--brand);background:var(--brand-l)}
.btn-lg{padding:.9rem 2.1rem;font-size:.95rem;border-radius:var(--r-lg)}
.btn-sm{padding:.42rem .95rem;font-size:.78rem}
/* CARDS */
.card{background:var(--white);border:1px solid var(--border);border-radius:var(--r-lg);padding:1.75rem;box-shadow:var(--sh-sm);transition:var(--ease-s)}
.card:hover{box-shadow:var(--sh-lg);transform:translateY(-4px);border-color:rgba(14,165,233,.18)}
/* SECTION HEADER */
.sh{margin-bottom:3.5rem}
.sh.center .sh-desc{margin:0 auto}
.sh-title{color:var(--ink);margin-bottom:.9rem}
.sh-title .gr{background:var(--grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.sh-desc{color:var(--ink3);max-width:560px;font-size:1rem}

/* ===================== NAV ===================== */
#site-header{position:fixed;top:0;left:0;right:0;z-index:500;background:rgba(255,255,255,.88);backdrop-filter:blur(18px) saturate(160%);border-bottom:1px solid var(--border);transition:var(--ease)}
#site-header.scrolled{box-shadow:var(--sh-md)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.site-brand{display:flex;align-items:center;gap:.6rem;font-weight:800;font-size:1.15rem;letter-spacing:-.03em;color:var(--ink)}
.brand-ico{width:32px;height:32px;background:var(--grad);border-radius:9px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:.8rem;font-weight:900}
.brand-dot{font-size:.52rem;font-weight:700;color:var(--brand);background:var(--brand-l);padding:2px 6px;border-radius:4px;letter-spacing:.04em;vertical-align:super;margin-left:1px}
.nav-links{display:flex;align-items:center;gap:.2rem}
.nav-links a{font-size:.845rem;font-weight:500;color:var(--ink3);padding:.45rem .85rem;border-radius:var(--r-sm);transition:var(--ease)}
.nav-links a:hover,.nav-links a.act{color:var(--brand);background:var(--brand-l)}
.nav-ctas{display:flex;align-items:center;gap:.6rem}
.hbg{display:none;background:none;border:none;flex-direction:column;gap:5px;padding:4px}
.hbg span{display:block;width:22px;height:2px;background:var(--ink);border-radius:2px;transition:var(--ease)}
.mob-nav{display:none;position:fixed;top:64px;left:0;right:0;background:var(--white);border-bottom:1px solid var(--border);box-shadow:var(--sh-lg);padding:1.25rem 5%;flex-direction:column;gap:.4rem;z-index:499;animation:slideD .22s ease}
@keyframes slideD{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}
.mob-nav a{display:block;padding:.7rem 1rem;font-size:.9rem;font-weight:500;color:var(--ink3);border-radius:var(--r-sm);transition:var(--ease);border-bottom:1px solid var(--border)}
.mob-nav a:hover{color:var(--brand);background:var(--brand-l)}
.mob-nav .btn{margin-top:.5rem;justify-content:center}

/* ===================== HERO ===================== */
#hero{min-height:100vh;display:flex;align-items:center;padding-top:64px;background:var(--white);position:relative;overflow:hidden}
.hero-bg{position:absolute;inset:0;background:var(--grad-mesh);pointer-events:none}
.hero-gp{position:absolute;inset:0;pointer-events:none;background-image:linear-gradient(rgba(14,165,233,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(14,165,233,.05) 1px,transparent 1px);background-size:52px 52px;mask-image:radial-gradient(ellipse 70% 60% at 50% 50%,black 0%,transparent 100%)}
.hblob{position:absolute;border-radius:50%;filter:blur(55px);animation:blobD 12s ease-in-out infinite}
.hb1{width:420px;height:420px;background:rgba(14,165,233,.09);top:-8%;right:8%;animation-delay:0s}
.hb2{width:320px;height:320px;background:rgba(99,102,241,.07);bottom:10%;left:-4%;animation-delay:-5s}
.hb3{width:220px;height:220px;background:rgba(16,185,129,.07);top:45%;left:38%;animation-delay:-8s}
@keyframes blobD{0%,100%{transform:translate(0,0) scale(1)}33%{transform:translate(14px,-12px) scale(1.04)}66%{transform:translate(-10px,8px) scale(.97)}}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr 1fr;gap:4rem;align-items:center;padding:4.5rem 0 3.5rem}
.eyebrow{display:inline-flex;align-items:center;gap:8px;background:var(--white);border:1px solid rgba(14,165,233,.22);border-radius:var(--r-f);padding:.3rem 1rem .3rem .45rem;font-size:.72rem;font-weight:600;color:var(--brand);margin-bottom:1.4rem;box-shadow:var(--sh-sm);width:fit-content}
.ey-badge{background:var(--grad);color:#fff;padding:.18rem .55rem;border-radius:var(--r-f);font-size:.62rem;font-weight:700;letter-spacing:.04em}
.hero h1{margin-bottom:1.4rem}
.hero h1 .gr{background:var(--grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-desc{font-size:1.05rem;color:var(--ink3);line-height:1.78;margin-bottom:2.2rem;max-width:500px}
.hero-acts{display:flex;gap:.9rem;flex-wrap:wrap;margin-bottom:2.6rem}
.hero-trust{display:flex;align-items:center;gap:1.2rem;padding-top:2rem;border-top:1px solid var(--border)}
.t-avs{display:flex}
.t-avs span{width:30px;height:30px;border-radius:50%;border:2px solid var(--white);background:var(--grad);color:#fff;font-size:.6rem;font-weight:700;display:flex;align-items:center;justify-content:center;margin-left:-8px}
.t-avs span:first-child{margin-left:0}
.t-txt{font-size:.8rem;color:var(--muted)}
.t-txt strong{color:var(--ink)}
.hero-kpis{display:flex;gap:2.2rem;flex-wrap:wrap;margin-top:.5rem}
.kpi-n{font-size:1.9rem;font-weight:800;letter-spacing:-.04em;line-height:1;background:var(--grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.kpi-l{font-size:.72rem;color:var(--muted);margin-top:.15rem}
/* Hero card */
.hero-vis{position:relative;display:flex;align-items:center;justify-content:center}
.ai-card{background:var(--white);border:1px solid var(--border);border-radius:var(--r-xl);box-shadow:var(--sh-xl);padding:1.4rem;width:100%;max-width:400px;animation:cFloat 7s ease-in-out infinite}
@keyframes cFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
.ac-hd{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.1rem}
.ac-t{font-size:.78rem;font-weight:700;color:var(--ink)}
.ac-live{display:flex;align-items:center;gap:5px;font-size:.62rem;font-weight:600;color:var(--green);background:rgba(16,185,129,.08);padding:.18rem .55rem;border-radius:var(--r-f)}
.ac-live::before{content:'';width:5px;height:5px;background:var(--green);border-radius:50%;animation:chipP 1.5s ease infinite}
.ac-mets{display:grid;grid-template-columns:repeat(3,1fr);gap:.65rem;margin-bottom:1.1rem}
.m-box{background:var(--bg);border-radius:var(--r-md);padding:.7rem;text-align:center}
.m-v{font-size:1.15rem;font-weight:800;letter-spacing:-.03em;line-height:1;color:var(--ink)}
.m-v.g{color:var(--green)}.m-v.b{color:var(--brand)}
.m-l{font-size:.6rem;color:var(--muted);margin-top:.18rem;font-weight:500}
.ac-bars{margin-bottom:1.1rem}
.bars-l{font-size:.67rem;font-weight:600;color:var(--muted);margin-bottom:.45rem}
.bars-r{display:flex;align-items:flex-end;gap:4px;height:55px}
.bar-i{flex:1;border-radius:4px 4px 0 0;background:var(--grad-l)}
.bar-i.hi{background:var(--grad)}
.ac-tip{background:var(--grad-l);border:1px solid rgba(14,165,233,.14);border-radius:var(--r-md);padding:.7rem .9rem;display:flex;align-items:flex-start;gap:.55rem}
.tip-ic{font-size:.95rem;flex-shrink:0}
.tip-tx{font-size:.7rem;color:var(--ink3);line-height:1.5}
.tip-tx strong{color:var(--brand)}
.fpill{position:absolute;background:var(--white);border:1px solid var(--border);border-radius:var(--r-md);padding:.45rem .85rem;box-shadow:var(--sh-md);font-size:.7rem;font-weight:600;display:flex;align-items:center;gap:.4rem;white-space:nowrap;animation:pFloat 8s ease-in-out infinite}
.fp1{top:-4%;left:-20%;animation-delay:-2s;color:var(--green)}
.fp2{bottom:18%;right:-20%;animation-delay:-5s;color:var(--accent)}
.fp3{top:46%;left:-22%;animation-delay:-3s;color:var(--brand)}
@keyframes pFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-7px)}}

/* ===================== TRUST BAR ===================== */
#trust-bar{padding:2.2rem 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border);background:var(--bg)}
.tb-l{font-size:.7rem;font-weight:600;color:var(--muted);letter-spacing:.08em;text-transform:uppercase;margin-bottom:1.2rem;text-align:center}
.tb-logos{display:flex;align-items:center;justify-content:center;gap:2.5rem;flex-wrap:wrap}
.tb-item{font-size:.8rem;font-weight:700;color:var(--light);letter-spacing:.04em;transition:var(--ease);display:flex;align-items:center;gap:5px}
.tb-item:hover{color:var(--ink3)}

/* ===================== SERVICES ===================== */
#services{background:var(--white)}
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem}
.svc-card{background:var(--white);border:1px solid var(--border);border-radius:var(--r-lg);padding:1.75rem;position:relative;overflow:hidden;transition:var(--ease-s)}
.svc-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad);transform:scaleX(0);transition:var(--ease);transform-origin:left}
.svc-card:hover{border-color:rgba(14,165,233,.2);box-shadow:var(--sh-lg);transform:translateY(-5px)}
.svc-card:hover::before{transform:scaleX(1)}
.svc-card.ft{background:var(--grad);border-color:transparent}
.svc-card.ft h3,.svc-card.ft p{color:rgba(255,255,255,.9)}
.svc-card.ft::before{display:none}
.svc-card.ft:hover{box-shadow:var(--sh-brand);transform:translateY(-5px)}
.svc-ico{width:46px;height:46px;border-radius:var(--r-md);display:flex;align-items:center;justify-content:center;font-size:1.25rem;margin-bottom:1.1rem}
.sia{background:linear-gradient(135deg,#dbeafe,#bfdbfe)}.sib{background:linear-gradient(135deg,#ede9fe,#ddd6fe)}.sic{background:linear-gradient(135deg,#d1fae5,#a7f3d0)}.sid{background:linear-gradient(135deg,#fef3c7,#fde68a)}.sie{background:linear-gradient(135deg,#fee2e2,#fecaca)}.sif{background:linear-gradient(135deg,#cffafe,#a5f3fc)}
.svc-card h3{font-size:1rem;margin-bottom:.55rem}
.svc-card p{font-size:.845rem;line-height:1.65;margin-bottom:1.1rem}
.svc-tags{display:flex;flex-wrap:wrap;gap:.35rem}
.svc-tag{font-size:.62rem;font-weight:600;padding:.18rem .55rem;border-radius:var(--r-f);background:var(--bg2);color:var(--ink3);border:1px solid var(--border)}
.svc-card.ft .svc-tag{background:rgba(255,255,255,.18);color:#fff;border-color:rgba(255,255,255,.25)}

/* ===================== WHY US ===================== */
#why-us{background:var(--bg)}
.bento{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.bc{background:var(--white);border:1px solid var(--border);border-radius:var(--r-lg);padding:1.4rem;box-shadow:var(--sh-sm);transition:var(--ease)}
.bc:hover{box-shadow:var(--sh-md);transform:translateY(-2px)}
.bc.hi{background:var(--grad);border-color:transparent}
.bc.s2{grid-column:span 2}
.bv{font-size:2rem;font-weight:800;letter-spacing:-.04em;line-height:1;margin-bottom:.2rem}
.bc.hi .bv,.bc.hi .bl{color:#fff}
.bv.gr{background:var(--grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.bl{font-size:.75rem;color:var(--muted);font-weight:500}
.pi{margin-bottom:.7rem}.pi:last-child{margin-bottom:0}
.pi-r{display:flex;justify-content:space-between;align-items:center;margin-bottom:.3rem}
.pi-n{font-size:.76rem;font-weight:600;color:var(--ink)}
.pi-v{font-size:.7rem;font-weight:700;color:var(--brand)}
.pi-tr{height:6px;background:var(--bg2);border-radius:3px;overflow:hidden}
.pi-f{height:100%;background:var(--grad);border-radius:3px;animation:fProg 1.4s ease both}
@keyframes fProg{from{width:0}}
.wf-list{margin-top:2.5rem;display:flex;flex-direction:column;gap:1rem}
.wf{display:flex;gap:.9rem;align-items:flex-start;padding:1.1rem 1.25rem;background:var(--white);border:1px solid var(--border);border-radius:var(--r-md);box-shadow:var(--sh-xs);transition:var(--ease)}
.wf:hover{border-color:rgba(14,165,233,.22);box-shadow:var(--sh-md)}
.wf-ic{width:38px;height:38px;border-radius:var(--r-sm);display:flex;align-items:center;justify-content:center;font-size:1rem;flex-shrink:0}
.wia{background:linear-gradient(135deg,#dbeafe,#bfdbfe)}.wib{background:linear-gradient(135deg,#d1fae5,#a7f3d0)}.wic{background:linear-gradient(135deg,#ede9fe,#ddd6fe)}.wid{background:linear-gradient(135deg,#fef3c7,#fde68a)}
.wf-b h4{font-size:.9rem;font-weight:700;color:var(--ink);margin-bottom:.25rem}
.wf-b p{font-size:.81rem;color:var(--ink3);line-height:1.6}

/* ===================== PROCESS ===================== */
#process{background:var(--white)}
.proc-row{display:grid;grid-template-columns:repeat(5,1fr);gap:0;position:relative;margin-top:3.5rem}
.proc-line{position:absolute;top:27px;left:12%;right:12%;height:2px;background:linear-gradient(90deg,var(--brand),var(--accent),var(--green));opacity:.18;z-index:0}
.proc-step{display:flex;flex-direction:column;align-items:center;text-align:center;padding:0 .5rem;position:relative;z-index:1}
.ps-n{width:54px;height:54px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.82rem;font-weight:800;margin-bottom:.9rem;background:linear-gradient(var(--white),var(--white)) padding-box,var(--grad) border-box;border:2px solid transparent;color:var(--brand);box-shadow:var(--sh-sm);transition:var(--ease-s);font-family:var(--mono)}
.proc-step:hover .ps-n{background:var(--grad);color:#fff;transform:scale(1.1);box-shadow:var(--sh-brand)}
.ps-t{font-size:.88rem;font-weight:700;color:var(--ink);margin-bottom:.35rem}
.ps-d{font-size:.76rem;color:var(--muted);line-height:1.55}

/* ===================== PRICING ===================== */
#pricing{background:var(--bg)}
.ptabs{display:flex;background:var(--white);border:1px solid var(--border);border-radius:var(--r-f);padding:.3rem;width:fit-content;margin:2rem auto 3rem;box-shadow:var(--sh-sm)}
.ptab{padding:.45rem 1.3rem;border-radius:var(--r-f);font-size:.8rem;font-weight:600;border:none;background:transparent;color:var(--muted);transition:var(--ease);font-family:var(--font)}
.ptab.on{background:var(--grad);color:#fff;box-shadow:0 2px 10px rgba(14,165,233,.3)}
.ppanel{display:none}.ppanel.on{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem}
.pc{background:var(--white);border:1.5px solid var(--border);border-radius:var(--r-xl);padding:2rem;position:relative;overflow:hidden;transition:var(--ease-s)}
.pc:hover{box-shadow:var(--sh-lg);transform:translateY(-4px);border-color:rgba(14,165,233,.22)}
.pc.pop{border-color:var(--brand);box-shadow:var(--sh-brand)}
.pop-b{position:absolute;top:.9rem;right:.9rem;background:var(--grad);color:#fff;font-size:.6rem;font-weight:700;padding:.2rem .65rem;border-radius:var(--r-f);letter-spacing:.06em;text-transform:uppercase}
.pc-tier{font-size:.68rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--brand);margin-bottom:.5rem}
.pc-tier.vi{color:var(--accent)}.pc-tier.gr{color:var(--green)}
.pc-price{font-size:2.3rem;font-weight:800;letter-spacing:-.04em;color:var(--ink);line-height:1;margin-bottom:.2rem}
.pc-period{font-size:.78rem;color:var(--muted);margin-bottom:1.4rem}
.pc-div{height:1px;background:var(--border);margin:1.2rem 0}
.pc-feats{display:flex;flex-direction:column;gap:.55rem;margin-bottom:1.6rem}
.pc-feat{display:flex;align-items:flex-start;gap:.55rem;font-size:.84rem;color:var(--ink3)}
.pc-ck{width:15px;height:15px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.52rem;font-weight:700;flex-shrink:0;margin-top:2px;background:linear-gradient(135deg,#dbeafe,#bfdbfe);color:var(--brand)}
.pc-ck.g{background:linear-gradient(135deg,#d1fae5,#a7f3d0);color:var(--green)}

/* ===================== BLOG ===================== */
.blog-wrap{padding-top:100px;min-height:70vh}
.blog-hero{background:var(--grad-l);padding:4rem 0 3rem;border-bottom:1px solid var(--border)}
.bsearch{display:flex;gap:.6rem;margin-top:1.5rem;max-width:480px}
.bsearch input{flex:1;padding:.65rem 1rem;border:1.5px solid var(--border);border-radius:var(--r-md);font-size:.875rem;font-family:var(--font);background:var(--white);color:var(--ink);outline:none;transition:var(--ease)}
.bsearch input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(14,165,233,.1)}
.blog-cats-bar{display:flex;gap:.5rem;flex-wrap:wrap;margin:1.5rem 0 2rem}
.cat-btn{padding:.38rem 1rem;border-radius:var(--r-f);font-size:.78rem;font-weight:600;border:1.5px solid var(--border);background:var(--white);color:var(--ink3);transition:var(--ease);cursor:pointer;font-family:var(--font)}
.cat-btn:hover,.cat-btn.on{border-color:var(--brand);color:var(--brand);background:var(--brand-l)}
.blog-layout{display:grid;grid-template-columns:1fr 300px;gap:3rem;align-items:start;padding:2.5rem 0 5rem}
.blog-list{display:flex;flex-direction:column;gap:1.5rem}
.bcard{background:var(--white);border:1px solid var(--border);border-radius:var(--r-lg);overflow:hidden;display:grid;grid-template-columns:210px 1fr;transition:var(--ease-s)}
.bcard:hover{box-shadow:var(--sh-lg);transform:translateY(-3px);border-color:rgba(14,165,233,.18)}
.bcard.feat{grid-template-columns:1fr;grid-column:1/-1}
.bcard.feat .bc-img{height:260px}
.bc-img{height:150px;background:var(--grad-l);overflow:hidden;flex-shrink:0}
.bc-img img{width:100%;height:100%;object-fit:cover;transition:var(--ease-s)}
.bcard:hover .bc-img img{transform:scale(1.04)}
.bc-body{padding:1.2rem 1.4rem;display:flex;flex-direction:column;gap:.45rem}
.bc-meta{display:flex;align-items:center;gap:.6rem;font-size:.7rem;color:var(--muted);flex-wrap:wrap}
.bc-cat{background:var(--brand-l);color:var(--brand);padding:.15rem .55rem;border-radius:var(--r-f);font-weight:600}
.bc-title{font-size:1rem;font-weight:700;color:var(--ink);line-height:1.35;transition:var(--ease)}
.bc-title:hover{color:var(--brand)}
.bc-exc{font-size:.82rem;color:var(--ink3);line-height:1.65;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.bc-ft{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:.55rem}
.bc-auth{display:flex;align-items:center;gap:.45rem;font-size:.75rem;color:var(--muted)}
.bc-av{width:24px;height:24px;border-radius:50%;background:var(--grad);display:flex;align-items:center;justify-content:center;color:#fff;font-size:.55rem;font-weight:700}
.bc-more{font-size:.75rem;color:var(--brand);font-weight:600;transition:var(--ease)}
.bc-more:hover{color:var(--brand-d)}
/* Sidebar */
.blog-sb{display:flex;flex-direction:column;gap:1.5rem}
.sb-w{background:var(--white);border:1px solid var(--border);border-radius:var(--r-lg);padding:1.4rem}
.sb-t{font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.09em;color:var(--muted);margin-bottom:1rem;padding-bottom:.6rem;border-bottom:1px solid var(--border)}
.sb-posts{display:flex;flex-direction:column;gap:.7rem}
.sp{display:flex;gap:.7rem;align-items:flex-start;padding-bottom:.7rem;border-bottom:1px solid var(--border)}
.sp:last-child{border-bottom:none;padding-bottom:0}
.sp-th{width:50px;height:42px;border-radius:var(--r-sm);background:var(--grad-l);overflow:hidden;flex-shrink:0}
.sp-th img{width:100%;height:100%;object-fit:cover}
.sp-tl{font-size:.79rem;font-weight:600;color:var(--ink);line-height:1.35;transition:var(--ease)}
.sp-tl:hover{color:var(--brand)}
.sp-d{font-size:.66rem;color:var(--muted);margin-top:.2rem}
.sb-tags{display:flex;flex-wrap:wrap;gap:.4rem}
.sb-tag{font-size:.72rem;padding:.22rem .65rem;border-radius:var(--r-f);background:var(--bg2);color:var(--ink3);border:1px solid var(--border);transition:var(--ease);cursor:pointer}
.sb-tag:hover{background:var(--brand-l);color:var(--brand);border-color:rgba(14,165,233,.2)}
/* Single */
.single-hd{padding:5rem 0 3rem;background:var(--bg);border-bottom:1px solid var(--border)}
.single-cats{display:flex;gap:.5rem;flex-wrap:wrap;margin-bottom:1rem}
.single-title{font-size:clamp(1.7rem,3.5vw,2.5rem);margin-bottom:1.2rem}
.single-meta{display:flex;align-items:center;gap:1.2rem;font-size:.8rem;color:var(--muted);flex-wrap:wrap}
.sm-auth{display:flex;align-items:center;gap:.5rem;font-weight:600;color:var(--ink)}
.sm-av{width:30px;height:30px;border-radius:50%;background:var(--grad);display:flex;align-items:center;justify-content:center;color:#fff;font-size:.65rem;font-weight:700}
.single-layout{display:grid;grid-template-columns:1fr 280px;gap:3.5rem;align-items:start;padding:3rem 0}
.entry-content h2{font-size:1.55rem;margin:2rem 0 .8rem}
.entry-content h3{font-size:1.2rem;margin:1.5rem 0 .6rem}
.entry-content p{font-size:.97rem;line-height:1.82;color:var(--ink3);margin-bottom:1.2rem}
.entry-content ul,.entry-content ol{padding-left:1.5rem;margin-bottom:1.2rem;color:var(--ink3);font-size:.97rem;line-height:1.75}
.entry-content img{border-radius:var(--r-md);margin:1.5rem 0}
.entry-content blockquote{border-left:3px solid var(--brand);padding:.8rem 1.4rem;background:var(--brand-l);border-radius:0 var(--r-md) var(--r-md) 0;margin:1.5rem 0}
.entry-content blockquote p{color:var(--brand-d);font-style:italic;font-size:1rem;margin-bottom:0}
.entry-content a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.entry-content code{background:var(--bg2);padding:.15rem .4rem;border-radius:4px;font-family:var(--mono);font-size:.85em;color:var(--accent)}
.entry-content pre{background:var(--ink2);color:#e2e8f0;padding:1.25rem 1.5rem;border-radius:var(--r-md);overflow-x:auto;font-family:var(--mono);font-size:.84rem;margin-bottom:1.2rem}
.post-share{display:flex;align-items:center;gap:.6rem;margin-top:1.5rem;padding-top:1.5rem;border-top:1px solid var(--border);flex-wrap:wrap}
.share-lbl{font-size:.78rem;font-weight:600;color:var(--ink3)}
.share-btn{padding:.38rem .9rem;border-radius:var(--r-f);font-size:.75rem;font-weight:600;border:1.5px solid var(--border);background:var(--white);transition:var(--ease);cursor:pointer;font-family:var(--font)}
.s-fb{color:#1877f2;border-color:rgba(24,119,242,.25)}.s-fb:hover{background:rgba(24,119,242,.08)}
.s-tw{color:#1da1f2;border-color:rgba(29,161,242,.25)}.s-tw:hover{background:rgba(29,161,242,.08)}
.related-posts{padding:3rem 0;border-top:1px solid var(--border)}
.rp-g{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem}
.toc-box{background:var(--white);border:1px solid var(--border);border-radius:var(--r-lg);padding:1.4rem;position:sticky;top:80px}
.toc-ttl{font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.09em;color:var(--muted);margin-bottom:1rem}
.toc-list{display:flex;flex-direction:column;gap:.5rem}
.toc-list a{font-size:.82rem;color:var(--ink3);transition:var(--ease);line-height:1.4;display:block;padding:.2rem 0}
.toc-list a:hover,.toc-list a.act{color:var(--brand)}
.toc-sub{padding-left:1rem}

/* ===================== CONTACT ===================== */
#contact{background:var(--white)}
.contact-g{display:grid;grid-template-columns:1fr 1.5fr;gap:5rem;align-items:start}
.c-meths{display:flex;flex-direction:column;gap:.7rem;margin-top:2rem}
.c-m{display:flex;align-items:center;gap:.9rem;padding:.9rem 1.15rem;background:var(--bg);border:1px solid var(--border);border-radius:var(--r-md);text-decoration:none;color:var(--ink);transition:var(--ease)}
.c-m:hover{border-color:rgba(14,165,233,.25);background:var(--brand-l);color:var(--brand)}
.cm-ic{width:36px;height:36px;border-radius:var(--r-sm);background:var(--bg2);display:flex;align-items:center;justify-content:center;font-size:1rem;flex-shrink:0}
.cm-t{font-size:.66rem;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.cm-v{font-size:.88rem;font-weight:600;color:var(--ink)}
.cform-card{background:var(--white);border:1px solid var(--border);border-radius:var(--r-xl);padding:2.2rem;box-shadow:var(--sh-lg)}
.fg2{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.ff{margin-bottom:1rem}
.fl{display:block;font-size:.73rem;font-weight:600;color:var(--ink3);margin-bottom:.4rem}
.fi,.fsel,.fta{width:100%;background:var(--bg);border:1.5px solid var(--border);border-radius:var(--r-sm);padding:.7rem 1rem;font-size:.875rem;font-family:var(--font);color:var(--ink);outline:none;transition:var(--ease);-webkit-appearance:none}
.fi:focus,.fsel:focus,.fta:focus{border-color:var(--brand);background:var(--white);box-shadow:0 0 0 3px rgba(14,165,233,.1)}
.fi::placeholder,.fta::placeholder{color:var(--light)}
.fta{min-height:95px;resize:vertical}
.fsel option{background:var(--white)}
.fsub{width:100%;padding:.9rem;background:var(--grad);color:#fff;border:none;border-radius:var(--r-md);font-size:.9rem;font-weight:700;font-family:var(--font);cursor:pointer;box-shadow:var(--sh-brand);transition:var(--ease);display:flex;align-items:center;justify-content:center;gap:.5rem}
.fsub:hover{transform:translateY(-2px);box-shadow:0 12px 36px rgba(14,165,233,.38)}
.form-ok{display:none;text-align:center;padding:2rem 1rem}
.ok-icon{font-size:2.4rem;margin-bottom:.9rem}
.form-ok h4{font-size:1.1rem;color:var(--green);margin-bottom:.4rem}

/* ===================== FOOTER ===================== */
#site-footer{background:var(--ink2);color:rgba(255,255,255,.65)}
.ft-top{padding:3.5rem 0 2.5rem;display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:3rem;border-bottom:1px solid rgba(255,255,255,.08)}
.ft-brand .site-brand{color:#fff}
.ft-brand .brand-ico{background:var(--grad)}
.ft-brand p{margin-top:.9rem;font-size:.83rem;color:rgba(255,255,255,.4);line-height:1.75;max-width:250px}
.ft-col h5{font-size:.75rem;font-weight:700;color:#fff;text-transform:uppercase;letter-spacing:.1em;margin-bottom:1.1rem}
.ft-col ul{display:flex;flex-direction:column;gap:.55rem}
.ft-col a{font-size:.83rem;color:rgba(255,255,255,.4);text-decoration:none;transition:var(--ease)}
.ft-col a:hover{color:#fff}
.ft-bot{padding:1.4rem 0;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:.8rem}
.ft-copy{font-size:.76rem;color:rgba(255,255,255,.28)}
.ft-legal{display:flex;gap:1.4rem}
.ft-legal a{font-size:.76rem;color:rgba(255,255,255,.28);text-decoration:none;transition:var(--ease)}
.ft-legal a:hover{color:rgba(255,255,255,.65)}

/* ===================== REVEAL ===================== */
.rev{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.rev.in{opacity:1;transform:translateY(0)}
.d1{transition-delay:.08s}.d2{transition-delay:.16s}.d3{transition-delay:.24s}

/* ===================== RESPONSIVE ===================== */
@media(max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:3rem}
  .ai-card{margin:0 auto;max-width:380px}
  .fpill{display:none}
  .g2{grid-template-columns:1fr;gap:3rem}
  .contact-g{grid-template-columns:1fr;gap:3rem}
  .ft-top{grid-template-columns:1fr 1fr;gap:2rem}
  .svc-grid{grid-template-columns:1fr 1fr}
  .blog-layout{grid-template-columns:1fr}
  .single-layout{grid-template-columns:1fr}
  .toc-box{display:none}
  .rp-g{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  .nav-links,.nav-ctas{display:none}
  .hbg{display:flex}
  .svc-grid{grid-template-columns:1fr}
  .bento{grid-template-columns:1fr}
  .bc.s2{grid-column:span 1}
  .fg2{grid-template-columns:1fr}
  .ft-top{grid-template-columns:1fr}
  .ft-bot{flex-direction:column;text-align:center}
  .proc-row{grid-template-columns:1fr 1fr;gap:1.5rem}
  .proc-line{display:none}
  .ppanel.on{grid-template-columns:1fr;max-width:460px;margin:0 auto}
  .bcard{grid-template-columns:1fr}
  .bc-img{height:180px}
  .rp-g{grid-template-columns:1fr}
  .sec{padding:4rem 0}
  .hero-kpis{gap:1.4rem}
}