:root{--ink:#14193a;--muted:#55607f;--blue:#2f5bff;--violet:#7c4dff;--navy:#0e1546;--line:#e1e6f5;--soft:#f5f7ff;--card:#fff;--grad:linear-gradient(110deg,#2f5bff,#7c4dff);--r:16px;--font:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;scroll-padding-top:84px}
body{margin:0;color:var(--ink);font:16px/1.65 var(--font);background:#fff;-webkit-font-smoothing:antialiased}
img,svg{max-width:100%;height:auto}
a{color:var(--blue);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:3px solid #8aa2ff;outline-offset:3px;border-radius:6px}
.skip{position:absolute;left:-9999px;top:8px;background:#fff;padding:10px 14px;border-radius:8px;z-index:100}
.skip:focus{left:8px}
.wrap{width:min(1160px,calc(100% - 32px));margin-inline:auto}
.narrow{max-width:800px}
h1,h2,h3{line-height:1.15;letter-spacing:-.02em;margin:0 0 .5em;font-weight:800}
h1{font-size:clamp(2rem,5.2vw,3.6rem)}
h2{font-size:clamp(1.55rem,3.4vw,2.3rem)}
h3{font-size:1.2rem}
p{margin:0 0 1em}
.eyebrow{font-size:.74rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:#4a5fe6;margin-bottom:12px}
.lead{font-size:1.1rem;color:var(--muted);max-width:660px}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* header */
.header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;color:var(--ink);text-decoration:none;font-size:1.05rem;white-space:nowrap}
.brand b{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;font-weight:800}
.brand-icon{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:var(--grad);color:#fff}
.brand-icon .ic{width:18px;height:18px}
.desktop{display:none;gap:24px;font-weight:600;font-size:.92rem}
.desktop a{color:#2c3557;text-decoration:none;padding:6px 0}
.desktop a:hover{color:var(--blue)}
.ic{width:20px;height:20px;flex:none}
.mobile-menu{border-top:1px solid var(--line)}
.mobile-menu summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;padding:12px 16px;font-weight:700;font-size:.95rem;min-height:44px}
.mobile-menu summary::-webkit-details-marker{display:none}
.mobile-menu summary i{width:10px;height:10px;border-right:2px solid var(--ink);border-bottom:2px solid var(--ink);transform:rotate(45deg) translateY(-3px);transition:transform .2s}
.mobile-menu[open] summary i{transform:rotate(-135deg)}
.mobile-menu nav{display:grid;padding:0 16px 14px}
.mobile-menu nav a{padding:12px 4px;border-top:1px solid var(--line);color:var(--ink);text-decoration:none;font-weight:600;min-height:44px}
@media(min-width:900px){.desktop{display:flex}.mobile-menu{display:none}.topbar{min-height:72px}}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border:0;border-radius:12px;padding:12px 20px;min-height:46px;background:var(--grad);color:#fff!important;font:700 .95rem/1.2 var(--font);text-decoration:none!important;box-shadow:0 8px 20px #2f5bff30;transition:transform .15s,box-shadow .15s;cursor:pointer}
.btn:hover{transform:translateY(-1px);box-shadow:0 12px 26px #2f5bff3d}
.btn.sm{padding:9px 14px;min-height:40px;font-size:.88rem;border-radius:10px}
.btn.ghost{background:#fff;color:var(--blue)!important;border:1.5px solid #c9d4ff;box-shadow:none}
.btn.light{background:#fff;color:var(--navy)!important;box-shadow:0 8px 20px #0003}
.btn.full{width:100%}
.actions{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0}

/* hero */
.hero{background:radial-gradient(60% 70% at 85% 20%,#e7e1ff 0,transparent 70%),linear-gradient(180deg,#f7f9ff,#eef2ff)}
.hero-grid{display:grid;gap:28px;padding:44px 0 48px;align-items:center}
.hero-sub{font-size:1.1rem;color:var(--muted);max-width:540px}
.trust{list-style:none;padding:0;margin:8px 0 0;display:flex;flex-wrap:wrap;gap:10px 20px;font-size:.88rem;font-weight:600;color:#3b4668}
.trust li{display:flex;gap:6px;align-items:center}
.trust .ic{width:18px;height:18px;color:#2aa876}
.hero-art{width:100%;max-width:500px;margin:auto;display:block;animation:float 7s ease-in-out infinite}
@keyframes float{50%{transform:translateY(-8px)}}
@media(min-width:900px){.hero-grid{grid-template-columns:1.05fr .95fr;padding:72px 0 80px;gap:40px}}

/* sections */
.section{padding:56px 0}
.section.alt{background:var(--soft)}
.section.dark{background:linear-gradient(135deg,#0e1546,#27197a);color:#fff}
.section.dark .eyebrow{color:#a9b7ff}
.section.dark h2{color:#fff}
@media(min-width:900px){.section{padding:84px 0}}
.cards{display:grid;gap:16px;margin-top:28px}
@media(min-width:640px){.cards{grid-template-columns:repeat(2,1fr)}}
@media(min-width:960px){.cards{grid-template-columns:repeat(3,1fr)}}
.card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:24px;color:var(--ink);text-decoration:none;box-shadow:0 1px 2px #1a2a6c0d;transition:transform .2s,box-shadow .2s,border-color .2s}
a.card:hover,.card:hover{transform:translateY(-3px);box-shadow:0 14px 30px #2f5bff1c;border-color:#c5d0ff}
.card p{color:var(--muted);flex:1;font-size:.95rem}
.card .more{font-weight:700;font-size:.9rem;color:var(--blue);text-decoration:none}
.gi{display:grid;place-items:center;width:46px;height:46px;border-radius:13px;background:linear-gradient(135deg,#e9eeff,#efe8ff);color:var(--blue);margin-bottom:14px}
.gi .ic{width:24px;height:24px}

/* steps */
.steps{list-style:none;padding:0;margin:32px 0 0;display:grid;gap:16px}
@media(min-width:800px){.steps{grid-template-columns:repeat(3,1fr)}}
.steps li{position:relative;background:#ffffff14;border:1px solid #ffffff26;border-radius:var(--r);padding:24px}
.steps h3{color:#fff}
.steps p{color:#cfd6ff;margin:0}
.num{position:absolute;top:18px;right:20px;font-weight:800;font-size:2rem;color:#ffffff30}
.si{display:grid;place-items:center;width:44px;height:44px;border-radius:12px;background:#ffffff1f;margin-bottom:14px}

/* plans */
.plans{display:grid;gap:18px;margin-top:30px;align-items:stretch}
@media(min-width:860px){.plans{grid-template-columns:repeat(3,1fr)}}
.plan{position:relative;display:flex;flex-direction:column;background:#fff;border:1.5px solid var(--line);border-radius:20px;padding:28px 24px}
.plan.featured{border-color:transparent;background:linear-gradient(#fff,#fff) padding-box,var(--grad) border-box;border:2px solid transparent;box-shadow:0 20px 44px #5a4dff26}
.ribbon{position:absolute;top:-13px;left:24px;background:var(--grad);color:#fff;font-size:.74rem;font-weight:800;padding:4px 12px;border-radius:99px}
.price{display:flex;align-items:flex-start;gap:4px;line-height:1}
.price b{font-size:3.4rem;letter-spacing:-.04em}
.price span{font-size:1.4rem;font-weight:800;margin-top:8px}
.per{color:var(--muted);font-size:.9rem;margin:6px 0 16px}
.checks{list-style:none;padding:0;margin:0 0 22px;flex:1;display:grid;gap:10px;font-size:.93rem}
.checks li{padding-left:26px;position:relative}
.checks li::before{content:"";position:absolute;left:0;top:.35em;width:16px;height:16px;border-radius:50%;background:#e5f7ee url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='m4 8.5 3 3 5-6' fill='none' stroke='%232aa876' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/contain no-repeat}
.note{margin-top:22px;font-size:.88rem;color:var(--muted);background:var(--soft);padding:14px 16px;border-radius:12px;border:1px solid var(--line)}
.plans.compact{grid-template-columns:1fr;margin:10px 0 28px}
@media(min-width:600px){.plans.compact{grid-template-columns:repeat(3,1fr)}}

/* faq */
.faq{display:grid;gap:10px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:14px;padding:0 18px}
.faq summary{cursor:pointer;font-weight:700;padding:15px 0;list-style:none;display:flex;justify-content:space-between;gap:14px;min-height:48px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.4rem;color:var(--blue);line-height:1}
.faq details[open] summary::after{content:"–"}
.faq p{color:var(--muted);margin:0 0 16px}
.two{display:grid;gap:28px}
@media(min-width:900px){.two{grid-template-columns:.8fr 1.2fr;gap:56px}}

/* CTA band */
.cta-band{background:var(--grad);color:#fff;padding:44px 0}
.cta{display:flex;flex-wrap:wrap;gap:20px;align-items:center;justify-content:space-between}
.cta h2{color:#fff;margin-bottom:6px}
.cta p{margin:0;color:#e6e9ff}

/* article */
.art-hero{background:linear-gradient(180deg,#f7f9ff,#eef2ff);padding:36px 0 40px;border-bottom:1px solid var(--line)}
.crumbs{font-size:.85rem;color:var(--muted);margin-bottom:16px}
.crumbs a{color:var(--muted)}
.article{padding-top:32px;padding-bottom:56px}
.toc{background:var(--soft);border:1px solid var(--line);border-radius:14px;padding:16px 20px;margin-bottom:28px}
.toc ol{margin:8px 0 0;padding-left:20px;display:grid;gap:4px}
.prose{font-size:1.04rem}
.prose h2{margin-top:1.8em;font-size:clamp(1.35rem,2.8vw,1.75rem)}
.prose ol,.prose ul{padding-left:22px;margin:0 0 1.2em}
.prose li{margin-bottom:.5em}
.prose code,.prose pre{font:.88em/1.5 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;background:#eff2ff;border-radius:6px}
.prose code{padding:2px 6px;overflow-wrap:anywhere}
.prose pre{padding:14px 16px;overflow-x:auto;margin:0 0 1.2em}
.prose pre code{padding:0;background:none}
.callout{background:#eef2ff;border-left:4px solid var(--blue);padding:14px 16px;border-radius:0 12px 12px 0;font-size:.95rem}
.todo{background:#fff6e5;border:1.5px dashed #e8a317;padding:14px 16px;border-radius:12px;font-size:.95rem}
.tbl{width:100%;border-collapse:collapse;font-size:.92rem;margin:0 0 1.4em;display:block;overflow-x:auto}
.tbl th,.tbl td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top;min-width:120px}
.tbl th{background:var(--soft)}
.help{display:flex;flex-wrap:wrap;gap:18px;align-items:center;justify-content:space-between;background:linear-gradient(135deg,#eef2ff,#f3ecff);border:1px solid #d8dfff;border-radius:20px;padding:24px;margin:40px 0}
.help h2{font-size:1.3rem;margin-bottom:6px}
.help p{margin:0;color:var(--muted)}
.related h2{font-size:1.3rem}
.minigrid{display:grid;gap:10px}
@media(min-width:640px){.minigrid{grid-template-columns:1fr 1fr}}
.mini{display:flex;gap:12px;align-items:flex-start;padding:14px;border:1px solid var(--line);border-radius:14px;color:var(--ink);text-decoration:none}
.mini:hover{border-color:#c5d0ff;background:var(--soft)}
.mini .ic{color:var(--blue);margin-top:2px}
.mini b{display:block}
.mini small{color:var(--muted);font-size:.84rem;line-height:1.4;display:block}

/* footer */
footer{background:var(--navy);color:#c3cbf5;padding:44px 0 24px;margin-top:0}
footer .brand{color:#fff}
footer a{color:#c3cbf5}
.footgrid{display:grid;gap:28px}
@media(min-width:800px){.footgrid{grid-template-columns:1.4fr 1fr 1fr}}
.footgrid strong{display:block;color:#fff;margin-bottom:10px}
.footgrid div>a:not(.brand){display:block;padding:5px 0;text-decoration:none;font-size:.92rem}
.footgrid div>a:not(.brand):hover{color:#fff;text-decoration:underline}
.footgrid p{font-size:.9rem;margin-top:12px}
.fine{font-size:.8rem;border-top:1px solid #ffffff22;margin-top:28px;padding-top:18px;color:#98a3de}

@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
@media print{.header,.help,footer,.cta-band{display:none}}
.vh{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* V3: compact accessible footer on mobile */
.foot-section{min-width:0}
.foot-section summary{font-weight:700;color:#fff;cursor:pointer;list-style:none;padding:9px 28px 9px 0;position:relative}
.foot-section summary::-webkit-details-marker{display:none}
.foot-section summary::after{content:'+';position:absolute;right:3px;font-size:1.3rem;top:4px}
.foot-section[open] summary::after{content:'−'}
.foot-links a{display:block;padding:6px 0;color:#c3cbf5;text-decoration:none;font-size:.92rem}
.foot-links a:hover{text-decoration:underline;color:#fff}
@media(max-width:799px){footer{padding-top:24px}.footgrid{gap:12px}.foot-section{border-top:1px solid #ffffff2c}.foot-section:last-child{border-bottom:1px solid #ffffff2c}.foot-section:not([open]) .foot-links{display:none}.fine{margin-top:16px}}
@media(min-width:800px){.foot-section summary{pointer-events:none;cursor:default}.foot-section summary::after{display:none}.foot-section .foot-links{display:block!important}}