/* AI design layer: evidence bands, funnel, agents, insights and research pages. Loaded after styles.css. */
:root{--glow:0 0 0 1px rgba(6,182,244,.25),0 18px 50px rgba(10,108,241,.25);--grad-text:linear-gradient(90deg,#5fd3ff 0%,#3b9bff 50%,#a78bfa 100%)}

/* eyebrow labels */
.eyebrow{display:inline-flex;align-items:center;gap:8px;margin:0 0 12px;font-size:.78rem;font-weight:800;letter-spacing:.09em;text-transform:uppercase;color:var(--blue-600);background:var(--sky);border:1px solid #cfe5ff;border-radius:999px;padding:6px 14px}
.eyebrow.light{color:#bfe6ff;background:rgba(6,182,244,.12);border-color:rgba(95,211,255,.35)}
.eyebrow .ico{flex:none}
.sub.light,.note.light{color:#b8cdea}.note.light a{color:#fff}
.center{text-align:center}
section .eyebrow+h2{margin-top:4px}

/* hero: animated AI scan and glowing headline */
.hero h1{background:linear-gradient(180deg,#fff 30%,#cfe9ff 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-home h1{background:linear-gradient(100deg,#fff 0%,#fff 45%,#7fdcff 70%,#b8a8ff 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero::before{animation:aurora 14s ease-in-out infinite alternate}
@keyframes aurora{0%{transform:translate3d(0,0,0) scale(1)}100%{transform:translate3d(-4%,3%,0) scale(1.08)}}
.hub-ring{isolation:isolate}
.hub-ring::before{content:"";position:absolute;inset:0;border-radius:50%;background:conic-gradient(from 0deg,transparent 0 300deg,rgba(95,211,255,.05) 310deg,rgba(95,211,255,.45) 360deg);animation:scan 6s linear infinite;z-index:-1;-webkit-mask:radial-gradient(circle,transparent 31%,#000 32%);mask:radial-gradient(circle,transparent 31%,#000 32%)}
.hub-ring::after{content:"";position:absolute;inset:-14px;border-radius:50%;border:1px solid rgba(95,211,255,.25);animation:pulse 3.2s ease-out infinite;z-index:-1}
@keyframes scan{to{transform:rotate(360deg)}}
@keyframes pulse{0%{transform:scale(.92);opacity:.9}100%{transform:scale(1.06);opacity:0}}
.hub-core{animation:core 3.2s ease-in-out infinite}
@keyframes core{0%,100%{box-shadow:0 0 0 10px rgba(6,194,246,.18),0 0 40px rgba(6,194,246,.35)}50%{box-shadow:0 0 0 16px rgba(6,194,246,.10),0 0 70px rgba(6,194,246,.55)}}
.hub-ring li{animation:float 5s ease-in-out infinite}
.hub-ring li:nth-child(2n){animation-delay:-1.5s}.hub-ring li:nth-child(3n){animation-delay:-3s}
@keyframes float{0%,100%{margin-top:0}50%{margin-top:-6px}}
@media (prefers-reduced-motion:reduce){.hero::before,.hub-ring::before,.hub-ring::after,.hub-core,.hub-ring li,.live i{animation:none}}

/* evidence band (dark) */
.evidence-band{position:relative;overflow:hidden;background:radial-gradient(900px 420px at 15% 0%,rgba(10,108,241,.35),transparent 60%),radial-gradient(700px 380px at 95% 100%,rgba(6,194,246,.25),transparent 60%),#071631;color:#fff}
.evidence-band::after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.09) 1px,transparent 1px);background-size:22px 22px;-webkit-mask-image:linear-gradient(180deg,#000,transparent);mask-image:linear-gradient(180deg,#000,transparent);pointer-events:none}
.evidence-band .wrap{position:relative;z-index:1}
.evidence-band h2{color:#fff;max-width:820px}
.evi-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(320px,100%),1fr));gap:16px;margin:8px 0 0}
.evi{margin:0;background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:8px;min-width:0}
.evi>b{font-size:clamp(2rem,3.4vw,2.7rem);line-height:1;font-weight:800;letter-spacing:-.03em;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.evi p{margin:0;color:var(--ink);font-size:.98rem;line-height:1.5}
.evi cite{font-style:normal;font-size:.82rem;margin-top:auto}
.evi cite a{color:var(--muted);text-decoration:none;border-bottom:1px dotted currentColor}
.evi cite a:hover{color:var(--blue)}
.evi.dark{background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.03));border:1px solid rgba(140,190,255,.22);box-shadow:inset 0 1px 0 rgba(255,255,255,.08);backdrop-filter:blur(6px)}
.evi.dark>b{background:var(--grad-text);-webkit-background-clip:text;background-clip:text}
.evi.dark p{color:#dce9fb}.evi.dark cite a{color:#8fb3e0}.evi.dark cite a:hover{color:#fff}
.evi.dark{transition:transform .2s,border-color .2s}.evi.dark:hover{transform:translateY(-3px);border-color:rgba(95,211,255,.6)}

/* funnel */
.funnel{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px}
.fstep{position:relative;background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px 18px 18px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:8px;min-width:0}
.fstep::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;border-radius:18px 18px 0 0;background:var(--grad)}
.fstep:not(:last-child)::after{content:"";position:absolute;right:-12px;top:34px;width:10px;height:10px;border-top:2px solid #8ec5ff;border-right:2px solid #8ec5ff;transform:rotate(45deg);z-index:1}
.fnum{width:30px;height:30px;border-radius:10px;background:var(--sky);color:var(--blue-600);font-weight:800;display:grid;place-items:center;font-size:.9rem}
.fstep h3{margin:4px 0 0;font-size:1.02rem}
.fstep>b{font-size:2rem;line-height:1;font-weight:800;letter-spacing:-.03em;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.fstep p{margin:0;font-size:.9rem;color:var(--muted);line-height:1.45}
.fstep cite{font-style:normal;font-size:.8rem}.fstep cite a{color:var(--muted)}
.fprod{display:flex;flex-wrap:wrap;gap:6px;margin-top:auto;padding-top:10px}
.fprod a{font-size:.78rem;font-weight:700;text-decoration:none;color:var(--blue-700);background:var(--sky);border-radius:999px;padding:4px 10px}
.fprod a:hover{background:var(--blue);color:#fff}
@media (max-width:1000px){.funnel{grid-template-columns:repeat(2,minmax(0,1fr))}.fstep::after{display:none}}
@media (max-width:560px){.funnel{grid-template-columns:1fr}}

/* agents */
.agents-sec{background:linear-gradient(180deg,#fff,#f3f8ff)}
.agents{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(210px,100%),1fr));gap:14px}
.agent{position:relative;display:block;text-decoration:none;color:var(--ink);border-radius:18px;padding:34px 18px 18px;border:1.5px solid transparent;background:linear-gradient(#fff,#fff) padding-box,linear-gradient(135deg,#cfe3ff,#9fdcff 50%,#cdbfff) border-box;box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s}
.agent:hover{transform:translateY(-3px);box-shadow:var(--glow);color:var(--ink)}
.agent-head{display:flex;align-items:center;gap:10px;margin:0 0 12px}
.agent-ico{width:38px;height:38px;border-radius:12px;background:var(--grad);color:#fff;display:grid;place-items:center;flex:none;box-shadow:0 6px 16px rgba(10,108,241,.3)}
.agent-head b{font-size:1rem;color:var(--navy)}
.live{position:absolute;top:10px;right:12px;display:inline-flex;align-items:center;gap:6px;font-size:.78rem;font-weight:800;color:#15803d;text-transform:uppercase;letter-spacing:.06em}
.live i{width:8px;height:8px;border-radius:50%;background:#22c55e;animation:blink 1.8s infinite}
@keyframes blink{0%{box-shadow:0 0 0 0 rgba(34,197,94,.55)}70%{box-shadow:0 0 0 8px rgba(34,197,94,0)}100%{box-shadow:0 0 0 0 rgba(34,197,94,0)}}
.agent ol{list-style:none;margin:0;padding:0;display:grid;gap:7px;font-size:.88rem;color:var(--muted)}
.agent li{position:relative;padding-left:22px;line-height:1.4}
.agent li::before{content:"";position:absolute;left:0;top:3px;width:14px;height:14px;border-radius:50%;background:var(--sky);border:2px solid #7cc0ff;box-sizing:border-box}
.agent li:last-child::before{background:var(--grad);border-color:transparent}

/* insights cards */
.igrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(300px,100%),1fr));gap:20px}
.icard{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s;min-width:0}
.icard:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.icard-cover{position:relative;display:flex;flex-direction:column;justify-content:space-between;gap:14px;min-height:150px;padding:16px 18px;color:#fff;text-decoration:none;background:var(--cg,var(--grad-dark));overflow:hidden}
.icard-cover:hover{color:#fff}
.icard-cover::after{content:"";position:absolute;right:-40px;bottom:-60px;width:180px;height:180px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.22),transparent 65%)}
.icard-cat{display:inline-flex;align-items:center;gap:6px;align-self:flex-start;font-size:.78rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.28);border-radius:999px;padding:4px 10px}
.icard-stat{position:relative;z-index:1;font-size:1.02rem;font-weight:700;line-height:1.35;color:#fff;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.icard-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:8px;flex:1}
.icard h3,.icard h2{font-size:1.06rem;line-height:1.3;margin:0}.icard h3 a,.icard h2 a{color:var(--navy);text-decoration:none}.icard h3 a:hover,.icard h2 a:hover{color:var(--blue)}
.icard p{margin:0;color:var(--muted);font-size:.92rem;line-height:1.5;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.icard .meta{margin-top:auto;font-size:.8rem;color:#7a8aa3;font-weight:600}
.c-A{--cg:linear-gradient(135deg,#0b2a5c,#0a6cf1)}.c-B{--cg:linear-gradient(135deg,#0a3d7a,#06b6f4)}.c-C{--cg:linear-gradient(135deg,#1e1b6b,#5b6cf6)}.c-D{--cg:linear-gradient(135deg,#4c1d95,#a855f7 60%,#06b6f4)}.c-E{--cg:linear-gradient(135deg,#064e5f,#0ea5b7)}
.c-F{--cg:linear-gradient(135deg,#0b3d2e,#10b981)}.c-G{--cg:linear-gradient(135deg,#7a1f5c,#ec4899 60%,#f59e0b)}.c-H{--cg:linear-gradient(135deg,#1f2a44,#475d85)}.c-I{--cg:linear-gradient(135deg,#071631,#0a6cf1 55%,#06c2f6)}.c-J{--cg:linear-gradient(135deg,#2e1065,#6d28d9 50%,#0a6cf1)}

/* category nav */
.cat-nav-wrap{padding:14px 0;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);position:sticky;top:68px;z-index:10}
.cat-nav{display:flex;gap:8px;overflow-x:auto;scrollbar-width:thin;padding-bottom:4px}
.cat-nav a{flex:none;display:inline-flex;align-items:center;gap:6px;text-decoration:none;font-weight:700;font-size:.88rem;color:var(--navy);background:var(--alt);border:1px solid var(--line);border-radius:999px;padding:8px 14px;min-height:40px}
.cat-nav a:hover{background:var(--sky);color:var(--blue-600)}
.cat-nav small{color:var(--muted);font-weight:700}
.sec-head{display:flex;gap:14px;align-items:flex-start;margin-bottom:8px}
.sec-ico{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;color:#fff;background:var(--cg);flex:none;box-shadow:0 8px 20px rgba(11,26,51,.18)}
.sec-head h2{margin:0 0 4px}
main [id]{scroll-margin-top:140px}

/* article */
.hero .art-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.hero .art-meta span{font-size:.82rem;font-weight:700;color:#cfe5ff;background:rgba(255,255,255,.08);border:1px solid rgba(156,196,245,.3);border-radius:999px;padding:5px 12px}
.article-sec{padding-top:48px}
.art-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;align-items:start}
.prose{max-width:760px;font-size:1.06rem;line-height:1.75;min-width:0}
.prose h2{font-size:clamp(1.4rem,2.2vw,1.75rem);margin:44px 0 12px}
.prose h3{font-size:1.15rem;margin:28px 0 8px}
.prose p{margin:0 0 18px}
.prose ul,.prose ol{margin:0 0 20px;padding-left:22px}.prose li{margin:0 0 8px}
.prose a{text-underline-offset:3px;overflow-wrap:anywhere}
.prose code{font-size:.88em;background:var(--sky-2);border:1px solid var(--line);border-radius:6px;padding:1px 6px;overflow-wrap:anywhere}
.prose blockquote{margin:0 0 20px;border-left:4px solid var(--blue);background:var(--sky-2);padding:12px 18px;border-radius:0 12px 12px 0}
.prose .table-wrap{overflow-x:auto;margin:0 0 22px;border:1px solid var(--line);border-radius:14px}
.prose table{border-collapse:collapse;width:100%;font-size:.94rem}
.prose th,.prose td{text-align:left;padding:10px 14px;border-bottom:1px solid var(--line);vertical-align:top}
.prose th{background:var(--alt);color:var(--navy)}
.prose #key-figures+ul{list-style:none;padding:0;display:grid;gap:10px}
.prose #key-figures+ul li{background:linear-gradient(135deg,#f4f9ff,#eef6ff);border:1px solid #d6e8ff;border-left:4px solid var(--blue);border-radius:12px;padding:12px 16px;margin:0}
.prose #how-ecomchannels-helps{padding-top:26px;border-top:1px solid var(--line)}
.prose #faq~h3{background:var(--alt);border:1px solid var(--line);border-radius:12px;padding:12px 16px;margin:14px 0 8px;font-size:1.04rem}
.keystat{margin:0 0 30px;border-radius:18px;padding:22px 24px;color:#fff;background:radial-gradient(500px 200px at 100% 0,rgba(6,194,246,.4),transparent 60%),var(--grad-dark);box-shadow:var(--shadow-lg);display:grid;gap:8px}
.keystat .ks-label{display:inline-flex;align-items:center;gap:6px;font-size:.78rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:#9fdcff}
.keystat strong{font-size:clamp(1.2rem,2.2vw,1.5rem);line-height:1.3;color:#fff}
.keystat a{color:#b8d6ff;font-size:.84rem}
.sources{margin-top:40px;padding-top:8px;border-top:1px solid var(--line)}
.sources ol{font-size:.9rem;padding-left:20px}.sources li{margin:0 0 8px}.sources li span{color:var(--muted)}
.small-note{font-size:.85rem;color:var(--muted)}
.art-side{position:sticky;top:96px;display:grid;gap:16px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px;box-shadow:var(--shadow)}
.side-card>b{display:flex;align-items:center;gap:6px;color:var(--navy);margin-bottom:10px}
.toc ol{margin:0;padding-left:18px;font-size:.9rem;display:grid;gap:6px}.toc a{text-decoration:none;color:var(--muted)}.toc a:hover{color:var(--blue)}
.prodbox{background:linear-gradient(#fff,#fff) padding-box,var(--grad) border-box;border:1.5px solid transparent}
.prodbox ul{list-style:none;margin:0 0 14px;padding:0;display:grid;gap:6px}.prodbox li a{font-weight:700;text-decoration:none}
.prodbox .btn{width:100%;margin-top:8px;padding:11px 16px}
.btn.ghost-dark{background:#fff;color:var(--blue-600);border:1px solid #bcd8fb;box-shadow:none}.btn.ghost-dark:hover{color:var(--blue-700);background:var(--sky-2)}
@media (max-width:980px){.art-grid{grid-template-columns:1fr}.art-side{position:static}.toc{display:none}}
@media (max-width:640px){.cat-nav-wrap{top:0;position:relative}.prose{font-size:1rem}}