:root{--bg:#f6f8fc;--ink:#10203a;--mute:#556480;--acc:#3b5bfd;--acc2:#12b5a6;--card:#fff;--line:#e2e8f3}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.7 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
.wrap{max-width:1100px;margin:0 auto;padding:0 20px}a{color:var(--acc)}.skip{position:absolute;left:-999px}.skip:focus{left:10px;top:10px;background:#fff;padding:8px;z-index:99}
.top{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.9);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;height:64px}.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--ink);text-decoration:none;font-size:19px}
.logo{display:grid;place-items:center;width:34px;height:34px;border-radius:9px;color:#fff;background:linear-gradient(135deg,var(--acc),var(--acc2))}
nav a{margin-left:22px;color:var(--ink);text-decoration:none;font-weight:600;font-size:15px}nav a:hover,nav a[aria-current]{color:var(--acc)}.burger{display:none;font-size:22px;background:none;border:0;cursor:pointer}
.hero{position:relative;overflow:hidden;color:#fff;background:linear-gradient(120deg,#1b2b8f,#3b5bfd,#12b5a6,#3b5bfd);background-size:300% 300%;animation:flow 14s ease infinite;padding:84px 0 96px}
@keyframes flow{50%{background-position:100% 50%}}.blob{position:absolute;border-radius:50%;background:rgba(255,255,255,.12);animation:float 9s ease-in-out infinite}
.b1{width:260px;height:260px;right:-60px;top:-60px}.b2{width:140px;height:140px;left:6%;bottom:-40px;animation-delay:-3s}.b3{width:80px;height:80px;left:48%;top:18%;animation-delay:-5s}
@keyframes float{50%{transform:translateY(-26px) scale(1.06)}}.hgrid{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;position:relative}
h1{font-size:clamp(2rem,5vw,3.4rem);line-height:1.12;margin:0 0 16px}.lead{font-size:1.2rem;opacity:.95;max-width:34em}
.btn{display:inline-block;background:#fff;color:#1b2b8f;padding:14px 28px;border-radius:999px;font-weight:800;text-decoration:none;box-shadow:0 8px 26px rgba(0,0,0,.2);transition:transform .2s}.btn:hover{transform:translateY(-3px)}
.btn.alt{background:var(--acc);color:#fff;box-shadow:none}.badges{margin-top:22px;display:flex;gap:10px;flex-wrap:wrap}.badges span{background:rgba(255,255,255,.18);padding:5px 14px;border-radius:999px;font-size:14px}
.doc{background:#fff;color:var(--ink);border-radius:16px;padding:26px;box-shadow:0 24px 60px rgba(0,0,0,.3);transform:rotate(3deg);animation:tilt 6s ease-in-out infinite}
@keyframes tilt{50%{transform:rotate(-1.5deg) translateY(-8px)}}.doc i{display:block;height:11px;border-radius:6px;margin:12px 0;background:linear-gradient(90deg,#e4e9f5 30%,#f6f8fc 50%,#e4e9f5 70%);background-size:200%;animation:sh 2.4s linear infinite}
@keyframes sh{to{background-position:-200%}}.doc .hl{background:#ffe14d;height:14px}.doc .tag{display:inline-block;background:var(--acc);color:#fff;font-size:13px;padding:3px 12px;border-radius:6px;margin-top:6px}
section{padding:64px 0}h2{font-size:clamp(1.5rem,3vw,2.1rem);margin:0 0 14px}.center{text-align:center}.sub{color:var(--mute);max-width:40em;margin:0 auto 34px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px}.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:24px;transition:transform .25s,box-shadow .25s}
.card:hover{transform:translateY(-6px);box-shadow:0 16px 36px rgba(30,50,120,.12)}.card h3{margin:.3em 0}.ico{font-size:30px}.card a.more{font-weight:700;text-decoration:none}
.steps{counter-reset:s}.steps .card::before{counter-increment:s;content:counter(s);display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:var(--acc);color:#fff;font-weight:800;margin-bottom:8px}
.alt-bg{background:#fff;border-block:1px solid var(--line)}.article{max-width:760px;margin:0 auto}.article h2{margin-top:1.6em}.article h3{margin-top:1.3em}
details{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 18px;margin:10px 0}summary{cursor:pointer;font-weight:700}
.page{padding:48px 0 70px}.page .article h1{color:var(--ink);font-size:clamp(1.8rem,4vw,2.6rem)}.meta{color:var(--mute);font-size:14px}.note{background:#eef2ff;border-left:4px solid var(--acc);padding:12px 16px;border-radius:8px}
form label{display:block;font-weight:700;margin-top:14px}input,textarea{width:100%;padding:12px;border:1px solid var(--line);border-radius:10px;font:inherit}
footer{background:#0f1a33;color:#c7d0e6;padding:48px 0 20px}footer a{display:block;color:#c7d0e6;text-decoration:none;margin:6px 0}footer a:hover{color:#fff}footer h4{color:#fff;margin:0 0 8px}.fgrid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px}.copy{text-align:center;margin-top:30px;font-size:14px;opacity:.7}
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s,transform .7s}.reveal.in{opacity:1;transform:none}
@media(max-width:800px){.hgrid,.fgrid{grid-template-columns:1fr}.burger{display:block}nav{display:none;position:absolute;top:64px;left:0;right:0;background:#fff;padding:10px 20px;border-bottom:1px solid var(--line)}nav.open{display:block}nav a{display:block;margin:0;padding:10px 0}.doc{display:none}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}}
.tbox{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;margin:22px 0;box-shadow:0 12px 34px rgba(30,50,120,.08)}
.drop{border:3px dashed #9fb2ff;border-radius:18px;padding:30px 16px;text-align:center;cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:6px;transition:.25s;background:linear-gradient(180deg,#f7f9ff,#fff)}
.drop:hover,.drop.over{border-color:var(--acc2);background:#eafaf8;transform:scale(1.01)}.dico{font-size:44px;animation:bob 2.2s ease-in-out infinite}@keyframes bob{50%{transform:translateY(-8px)}}
.flist{list-style:none;padding:0;margin:12px 0}.flist li{display:flex;gap:8px;align-items:center;padding:6px 0;border-bottom:1px solid var(--line)}.flist button{margin-left:auto;border:0;background:none;cursor:pointer;font-size:16px}
.tbox select,.tbox textarea{padding:10px;border:1px solid var(--line);border-radius:10px;font:inherit;width:100%}.tbox label{font-weight:700}.tbox .btn[disabled]{opacity:.45;cursor:not-allowed}
.spin2{display:inline-block;width:16px;height:16px;border:3px solid var(--line);border-top-color:var(--acc);border-radius:50%;animation:sp .8s linear infinite;vertical-align:-3px}@keyframes sp{to{transform:rotate(360deg)}}
.tbox input[type=password]{width:100%;padding:10px;border:1px solid var(--line);border-radius:10px;font:inherit;margin:4px 0 10px}.chk{display:inline-block;margin-right:14px;font-weight:600!important}.tcard{display:block;color:var(--ink);text-decoration:none}.tcard.off{opacity:.6}.tcard b{display:block;font-size:1.1rem}.tcard small{color:var(--mute)}.tgroup{margin:34px 0 14px}
/* ---- icons and polish ---- */
.ic{display:inline-flex;align-items:center;justify-content:center;font-size:1.2em;line-height:0;vertical-align:middle;flex:none}.ic svg{display:block}
.ic.badge{width:46px;height:46px;border-radius:13px;background:linear-gradient(135deg,var(--c,#3b5bfd),color-mix(in srgb,var(--c,#3b5bfd) 65%,#fff));color:#fff;font-size:24px;box-shadow:0 8px 18px color-mix(in srgb,var(--c,#3b5bfd) 38%,transparent)}
.ic.badge.lg{width:58px;height:58px;font-size:30px;border-radius:16px}.ic.badge.xl{width:72px;height:72px;font-size:38px;border-radius:20px}
.tcard{display:flex;flex-direction:column;gap:4px}.tcard .ic.badge{margin-bottom:8px}.tcard small{line-height:1.5}
.thead{display:flex;align-items:center;gap:16px;margin-bottom:6px}.thead h1{margin:0}
.chips{display:flex;flex-wrap:wrap;gap:10px}.chip{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 16px 7px 8px;text-decoration:none;color:var(--ink);font-weight:600;font-size:15px;transition:.2s}.chip:hover{border-color:var(--acc);transform:translateY(-2px)}.chip .ic.badge{width:28px;height:28px;font-size:16px;border-radius:9px;box-shadow:none}
footer .brand{color:#fff}.hero,.uhero{isolation:isolate}.blob{z-index:-1;pointer-events:none}
button.btn{font:inherit;font-weight:800;font-size:1rem;border:0;cursor:pointer;padding:13px 30px;border-radius:999px;color:#fff}.btn.alt{background:linear-gradient(135deg,#3b5bfd,#12b5a6)}
.tbox select,.tbox input[type=password]{background:#fff}.dico{animation:none}.dico .ic{animation:bob 2.2s ease-in-out infinite}
.soon{margin-top:30px;background:#fff;border:1px dashed var(--line);border-radius:14px;padding:16px 20px;color:var(--mute);display:flex;gap:12px;align-items:flex-start}
.card .ic.badge{margin-bottom:10px}