:root{
  --cyan:#06b6d4; --cyan2:#22d3ee; --violet:#8b5cf6; --violet2:#a78bfa;
  --ink:#0f172a; --slate:#475569; --muted:#64748b; --hair:rgba(15,23,42,.08);
  --card:#ffffff; --accentink:#0e7490;
  --green:#15803d; --amber:#b45309; --blue:#1d4ed8; --red:#b91c1c;
  --maxw:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0; font-family:'Inter',system-ui,-apple-system,BlinkMacSystemFont,sans-serif; color:var(--ink); font-size:16px; line-height:1.6; -webkit-font-smoothing:antialiased}
body::before{content:""; position:fixed; inset:0; z-index:-1; background:
  radial-gradient(at 18% 8%,rgba(125,222,240,.55) 0%,transparent 52%),
  radial-gradient(at 84% 14%,rgba(199,190,255,.48) 0%,transparent 52%),
  radial-gradient(at 50% 96%,rgba(200,241,210,.42) 0%,transparent 55%),
  #f4faff}
.wrap{max-width:var(--maxw); margin:0 auto; padding:0 24px}
.wrap.narrow{max-width:1000px}
a{color:var(--accentink); text-decoration:none}
h1,h2,h3,h4{margin:0}
img{max-width:100%}

/* animated gradient wordmark */
.wordmark{background-image:linear-gradient(90deg,#06b6d4 0%,#8b5cf6 50%,#06b6d4 100%); background-size:200% auto; -webkit-background-clip:text; background-clip:text; color:transparent; animation:gradshift 6s ease-in-out infinite}
@keyframes gradshift{0%{background-position:0% 50%}50%{background-position:100% 50%}100%{background-position:0% 50%}}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
@keyframes sheen{0%,55%{transform:translateX(-130%)}100%{transform:translateX(240%)}}

/* ---------- nav ---------- */
.gnav{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.6);-webkit-backdrop-filter:saturate(180%) blur(20px);backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid rgba(255,255,255,.7);box-shadow:0 1px 0 rgba(15,23,42,.04),0 8px 30px rgba(6,182,212,.06)}
.gnav-in{max-width:var(--maxw);margin:0 auto;padding:0 24px;min-height:60px;display:flex;align-items:center;gap:14px}
.gnav-logo{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.4px;color:var(--ink);font-size:16px}
.gnav-logo svg{width:30px;height:30px;display:block}
.gnav-logo b{font-weight:800}
.gnav-links{margin-left:auto;display:flex;align-items:center;gap:2px;flex-wrap:wrap}
.gnav-links>a,.gnav-btn{font:500 13.5px 'Inter',system-ui,-apple-system,sans-serif;color:#475569;padding:8px 12px;border-radius:10px;text-decoration:none;background:none;border:0;cursor:pointer;display:inline-flex;align-items:center;gap:6px;transition:background .15s,color .15s;line-height:1.2}
.gnav-links>a:hover,.gnav-btn:hover{background:rgba(255,255,255,.8);color:#0f172a}
.gnav-links>a.active,.gnav-btn.active{color:#0e7490;background:rgba(6,182,212,.1)}
.gnav-btn svg{width:11px;height:11px;transition:transform .2s;opacity:.7}
.gnav-group{position:relative}
.gnav-group.open .gnav-btn{background:rgba(255,255,255,.8);color:#0f172a}
.gnav-group.open .gnav-btn svg{transform:rotate(180deg)}
.gnav-menu{position:absolute;top:calc(100% + 6px);left:0;min-width:210px;background:rgba(255,255,255,.96);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border:1px solid rgba(255,255,255,.85);border-radius:14px;box-shadow:0 18px 44px rgba(15,23,42,.18);padding:6px;display:none;flex-direction:column;gap:1px}
.gnav-group.open .gnav-menu{display:flex}
.gnav-menu a{font:500 13px 'Inter',system-ui,-apple-system,sans-serif;color:#475569;padding:9px 12px;border-radius:9px;text-decoration:none;white-space:nowrap;transition:background .15s,color .15s}
.gnav-menu a:hover{background:rgba(6,182,212,.09);color:#0f172a}
.gnav-menu a.active{color:#0e7490;background:rgba(6,182,212,.1)}
@media(max-width:560px){.gnav-menu{right:0;left:auto}}
.gnav-lang{display:inline-flex;border:1px solid rgba(15,23,42,.14);border-radius:999px;overflow:hidden;margin-left:8px}
.gnav-lang button{font:600 12px 'Inter',system-ui,sans-serif;border:0;background:none;color:#475569;padding:6px 11px;cursor:pointer;line-height:1;transition:background .15s,color .15s}
.gnav-lang button:hover{background:rgba(6,182,212,.08)}
.gnav-lang button.on{background:linear-gradient(90deg,#06b6d4,#8b5cf6);color:#fff}
@media(max-width:820px){.gnav-links>a,.gnav-btn{padding:7px 8px;font-size:12.5px}}

/* ---------- buttons ---------- */
.btn{font:inherit; font-size:14.5px; font-weight:600; padding:12px 22px; border-radius:12px; cursor:pointer; display:inline-flex; align-items:center; gap:8px; transition:transform .12s,box-shadow .18s; border:1px solid transparent; text-decoration:none}
.btn:active{transform:scale(.97)}
.btn svg{width:15px;height:15px}
.btn-primary{background:linear-gradient(90deg,#06b6d4,#22d3ee); color:#fff; box-shadow:0 8px 24px rgba(6,182,212,.32); position:relative; overflow:hidden}
.btn-primary:hover{box-shadow:0 12px 30px rgba(6,182,212,.42); color:#fff}
.btn-primary .sheen{position:absolute; inset:0; background:linear-gradient(100deg,transparent,rgba(255,255,255,.45),transparent); transform:translateX(-130%); animation:sheen 3.4s ease-in-out infinite; pointer-events:none}
.btn-ghost{background:rgba(255,255,255,.62); color:var(--ink); border:1px solid rgba(255,255,255,.85); backdrop-filter:blur(8px); box-shadow:0 2px 10px rgba(6,182,212,.08)}
.btn-ghost:hover{background:rgba(255,255,255,.92); color:var(--ink)}

/* ---------- hero ---------- */
.hero{padding:60px 0 34px}
.hgrid{display:flex; gap:48px; align-items:center; flex-wrap:wrap}
.htext{flex:1; min-width:300px}
.eyebrow{font-size:12px; font-weight:600; letter-spacing:.7px; text-transform:uppercase; color:var(--accentink)}
.display{font-size:clamp(38px,6vw,58px); font-weight:800; line-height:1.06; letter-spacing:-2px; margin:14px 0 18px}
.lead{font-size:18px; color:var(--slate); max-width:560px; margin:0 0 26px}
.ctas{display:flex; gap:12px; flex-wrap:wrap}
.htile{flex:none; width:380px; max-width:100%}
.glass{position:relative; overflow:hidden; background:rgba(255,255,255,.5); border:1px solid rgba(255,255,255,.78); backdrop-filter:blur(18px); -webkit-backdrop-filter:blur(18px); box-shadow:0 22px 55px rgba(6,182,212,.16); border-radius:26px; padding:22px}
.glass::before{content:""; position:absolute; left:0; right:0; top:0; height:38%; background:linear-gradient(to bottom,rgba(255,255,255,.7),transparent); pointer-events:none}
.float{animation:floaty 7s ease-in-out infinite}

/* ---------- article hero (interior pages) ---------- */
.ahero{padding:46px 0 6px}
.ahero .kick{font-size:11px; letter-spacing:.7px; text-transform:uppercase; color:var(--accentink); font-weight:700}
.ahero h1{font-size:clamp(31px,5vw,46px); font-weight:800; letter-spacing:-1.5px; margin:10px 0 14px; line-height:1.08}
.ahero p{margin:0; color:var(--slate); font-size:17px; max-width:730px}

/* ---------- sections ---------- */
main{padding:14px 0 40px}
section{padding:34px 0}
.seclabel{font-size:12px; font-weight:700; letter-spacing:.6px; text-transform:uppercase; color:var(--muted); margin-bottom:6px}
.sechead{font-size:clamp(22px,3.2vw,29px); font-weight:800; letter-spacing:-.7px; margin:0 0 14px}
.secsub{color:var(--slate); max-width:760px; margin:0 0 18px; font-size:15.5px}

/* ---------- cards / grid ---------- */
.grid{display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); gap:18px}
.grid3{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.grid2{grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}
.card{background:var(--card); border:1px solid var(--hair); border-radius:22px; padding:22px; display:flex; flex-direction:column; gap:10px; color:inherit; transition:transform .2s ease,box-shadow .2s ease}
.card:hover{transform:translateY(-4px); box-shadow:0 22px 44px rgba(6,182,212,.16)}
a.card:hover{color:inherit}
.card.feat{border:1.5px solid rgba(6,182,212,.3); box-shadow:0 10px 30px rgba(6,182,212,.12)}
.card .ic{width:44px; height:44px; border-radius:13px; display:flex; align-items:center; justify-content:center; background:linear-gradient(135deg,rgba(6,182,212,.15),rgba(139,92,246,.12)); color:#0e7490}
.card .ic svg{width:22px; height:22px; stroke:currentColor; stroke-width:1.7; fill:none}
.card h3{font-size:19px; font-weight:700; letter-spacing:-.4px}
.card p{font-size:14px; color:var(--slate); margin:0; flex:1; line-height:1.55}
.tag{align-self:flex-start; font-size:11px; font-weight:600; padding:3px 11px; border-radius:999px}
.tag.web{background:rgba(6,182,212,.12); color:#0e7490}
.tag.new{background:linear-gradient(90deg,#06b6d4,#8b5cf6); color:#fff}
.tag.v{background:rgba(139,92,246,.13); color:#6d28d9}
.tag.g{background:rgba(21,128,61,.12); color:var(--green)}
.tag.a{background:rgba(180,83,9,.12); color:var(--amber)}
.more{font-size:13.5px; color:#0e7490; font-weight:600; display:flex; align-items:center; gap:6px; margin-top:auto}
.more svg{width:14px;height:14px}
a.card:hover .more{gap:9px}

/* ---------- prose blocks ---------- */
.prose{max-width:760px}
.prose p{color:var(--slate); font-size:15.5px; margin:0 0 15px}
.prose b,.prose strong{color:var(--ink)}
.callout{background:linear-gradient(135deg,rgba(6,182,212,.08),rgba(139,92,246,.08)); border:1px solid var(--hair); border-radius:18px; padding:20px 22px; margin:20px 0}
.callout h3{font-size:17px; font-weight:800; margin:0 0 8px; letter-spacing:-.2px}
.callout p{margin:0; color:var(--slate); font-size:15px}
.callout .big{font-size:20px; font-weight:800; color:var(--ink); letter-spacing:-.4px}

/* image figures */
figure{margin:0}
.fig{background:var(--card); border:1px solid var(--hair); border-radius:18px; overflow:hidden; box-shadow:0 8px 24px rgba(15,23,42,.06)}
.fig img{display:block; width:100%; height:auto; object-fit:cover}
.fig figcaption{font-size:12px; color:var(--muted); padding:10px 14px; line-height:1.4; border-top:1px solid var(--hair)}
.fig figcaption a{color:var(--accentink)}

/* stat strip */
.stats{display:grid; grid-template-columns:repeat(auto-fit,minmax(180px,1fr)); gap:14px; margin:8px 0}
.stat{background:var(--card); border:1px solid var(--hair); border-radius:18px; padding:18px 20px; border-top:4px solid var(--cyan)}
.stat:nth-child(2){border-top-color:var(--violet)} .stat:nth-child(3){border-top-color:var(--green)} .stat:nth-child(4){border-top-color:var(--amber)}
.stat .n{font-size:30px; font-weight:800; letter-spacing:-1px; line-height:1}
.stat .l{font-size:13px; color:var(--slate); margin-top:6px; line-height:1.4}

/* pill row */
.pills{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0}
.pill{font-size:12.5px;font-weight:600;padding:6px 13px;border-radius:999px;background:rgba(6,182,212,.1);color:#0e7490;border:1px solid rgba(6,182,212,.16)}
.pill.v{background:rgba(139,92,246,.1);color:#6d28d9;border-color:rgba(139,92,246,.16)}

/* reveal */
.reveal{opacity:0; transform:translateY(14px); transition:opacity .6s cubic-bezier(.16,1,.3,1),transform .6s cubic-bezier(.16,1,.3,1)}
.reveal.in{opacity:1; transform:none}

/* footer */
footer{border-top:1px solid var(--hair); margin-top:30px}
footer .wrap{display:flex; align-items:center; justify-content:space-between; gap:14px; flex-wrap:wrap; padding-top:26px; padding-bottom:54px; color:var(--muted); font-size:13px}
footer .by{display:flex; align-items:center; gap:10px; font-weight:700; color:var(--slate)}
footer .by svg{width:24px;height:24px}

/* svg diagram animation helpers */
.flow{animation:flow .9s linear infinite} @keyframes flow{to{stroke-dashoffset:-18}}
.flowr{animation:flowr .9s linear infinite} @keyframes flowr{to{stroke-dashoffset:18}}
.pulse{animation:pulse 1.4s ease-in-out infinite} @keyframes pulse{0%,100%{opacity:1}50%{opacity:.25}}
.spin{transform-box:fill-box; transform-origin:center; animation:spin 8s linear infinite} @keyframes spin{to{transform:rotate(360deg)}}
.spinr{transform-box:fill-box; transform-origin:center; animation:spin 3s linear infinite}
.blink{animation:pulse 1s steps(1,end) infinite}
.dash{stroke-dasharray:4 5}