:root{
    --bg:#f7f8fa; --bg-2:#ffffff;
    --fg:#111827; --fg-2:#4b5563; --fg-3:#64748b;
    --line:#e5e7eb; --line-2:#d1d5db;
    --accent:#0b84f3; --accent-2:#0569c7;
    --accent-soft:rgba(11,132,243,.08);
    --amber:#b45309;
    --success:#15803d;
    --danger:#b91c1c;
    --focus:rgba(11,132,243,.45);
    --shadow-sm:0 1px 2px rgba(17,24,39,.05);
    --shadow-md:0 1px 2px rgba(17,24,39,.04), 0 8px 24px rgba(17,24,39,.06);
    --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,monospace;
    --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Helvetica,Arial,sans-serif;
    --w:1150px;
    --radius:10px;
    --radius-lg:14px;
  }
  *{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--sans);
       -webkit-font-smoothing:antialiased;line-height:1.6}
  .wrap{max-width:var(--w);margin:0 auto;padding:0 24px}
  .narrow{max-width:760px}
  a{color:inherit;text-decoration:none}
  a.tx{color:var(--accent-2)} a.tx:hover{text-decoration:underline}

  :focus{outline:none}
  :focus-visible{
    outline:2px solid var(--accent);
    outline-offset:2px;
    box-shadow:0 0 0 4px var(--focus);
  }
  .btn:focus-visible, nav a:focus-visible, summary:focus-visible, .seg button:focus-visible{
    outline:2px solid var(--accent);
    outline-offset:2px;
    box-shadow:0 0 0 4px var(--focus);
  }

  nav{position:sticky;top:0;z-index:20;background:rgba(247,248,250,.88);
      backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
  nav .wrap{display:flex;align-items:center;gap:26px;height:56px}
  .brand{display:flex;align-items:center;gap:9px;font-weight:700;letter-spacing:-.02em}
  nav a.lnk{color:var(--fg-2);font-size:14px} nav a.lnk:hover{color:var(--fg)}
  nav .spacer{margin-left:auto}
  nav .btn.primary{padding:8px 14px;font-size:13px;font-weight:600;box-shadow:none}
  nav .btn.primary:hover{box-shadow:none;transform:none}

  .hero{position:relative;padding:96px 0 72px;text-align:center;overflow:hidden;
    background:radial-gradient(ellipse 70% 55% at 50% 0%, var(--accent-soft), transparent 70%)}
  .sweep{position:absolute;left:50%;top:-40px;width:820px;height:560px;
    transform:translateX(-50%);pointer-events:none;opacity:.28;
    -webkit-mask-image:linear-gradient(to bottom,#000 0%,#000 38%,transparent 66%);
    mask-image:linear-gradient(to bottom,#000 0%,#000 38%,transparent 66%)}
  h1{position:relative;margin:0;font-size:clamp(38px,6.4vw,68px);line-height:1.04;
     font-weight:700;letter-spacing:-.035em;color:var(--fg)}
  .hero p.sub{position:relative;margin:22px auto 0;max-width:36rem;color:var(--fg-2);
    font-size:17px;line-height:1.5}
  .cta{position:relative;display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:32px}
  .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
       padding:11px 18px;min-height:42px;border-radius:var(--radius);
       border:1px solid var(--line-2);background:var(--bg-2);font-size:14px;font-weight:500;
       color:var(--fg);transition:border-color .15s,background .15s,box-shadow .15s,transform .15s;
       box-shadow:var(--shadow-sm)}
  .btn:hover{border-color:#9ca3af;background:#fafbfc}
  .btn.mono{font-family:var(--mono);color:var(--fg-2)}
  .btn.mono b{color:var(--accent-2);font-weight:400}
  .btn.primary{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600;
    box-shadow:0 1px 2px rgba(11,132,243,.28), 0 4px 12px rgba(11,132,243,.18)}
  .btn.primary:hover{background:#0a76da;border-color:#0a76da;color:#fff;
    box-shadow:0 2px 4px rgba(11,132,243,.3), 0 8px 18px rgba(11,132,243,.22);transform:translateY(-1px)}
  .cta .btn.primary{padding:12px 22px;min-height:46px;font-size:15px}

  .strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg-2)}
  .strip .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:30px 24px}
  .stat .n{font-size:26px;font-weight:700;letter-spacing:-.02em}
  .stat .l{font-size:12.5px;color:var(--fg-3);margin-top:3px}
  .strip .note{grid-column:1/-1;font-size:12.5px;color:var(--fg-3);
               border-top:1px solid var(--line);padding-top:16px;margin-top:4px}

  section{padding:72px 0;border-top:1px solid var(--line)}
  section#pricing, section#plans{padding:88px 0}
  .eyebrow{font-size:12.5px;letter-spacing:.09em;text-transform:uppercase;color:var(--fg-3);font-weight:600}
  h2{font-size:clamp(26px,3.3vw,36px);font-weight:700;letter-spacing:-.03em;margin:10px 0 0;line-height:1.15}
  h3{font-size:20px;font-weight:650;letter-spacing:-.02em;margin:34px 0 0}
  p{color:var(--fg-2);font-size:16px;margin:14px 0 0}
  p.lead{font-size:17px}
  .center{text-align:center} .center p{margin-left:auto;margin-right:auto;max-width:640px}
  strong{color:var(--fg);font-weight:650}

  .answer{border-left:2px solid var(--accent);padding:2px 0 2px 18px;margin-top:18px}
  .answer p:first-child{margin-top:0}

  table{width:100%;border-collapse:collapse;margin-top:22px;font-size:14.5px}
  th,td{text-align:left;padding:11px 12px;border-bottom:1px solid var(--line)}
  th{color:var(--fg-3);font-weight:600;font-size:12.5px;text-transform:uppercase;letter-spacing:.05em}
  td{color:var(--fg-2)} td:first-child{color:var(--fg)}
  .num{font-family:var(--mono);white-space:nowrap}
  .tbl-scroll{overflow-x:auto}

  ol,ul{color:var(--fg-2);font-size:16px;padding-left:22px;margin-top:14px}
  li{margin-top:8px}

  .grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:40px}
  .card{border:1px solid var(--line);border-radius:12px;padding:20px;background:var(--bg-2);
    box-shadow:var(--shadow-sm)}
  .card h4{margin:0;font-size:15px;font-weight:650}
  .card .size{font-family:var(--mono);font-size:13px;color:var(--fg);float:right}
  .card p{margin:9px 0 0;font-size:13.5px}
  .tag{font-size:10.5px;letter-spacing:.05em;text-transform:uppercase;font-weight:700;
       padding:2px 7px;border-radius:99px;border:1px solid;float:right}
  .tag.review{color:var(--amber);border-color:rgba(232,163,61,.4)}
  .tag.advice{color:var(--fg-3);border-color:var(--line-2)}

  .seg{display:inline-flex;border:1px solid var(--line-2);border-radius:10px;padding:3px;gap:2px;
    background:var(--bg-2);box-shadow:var(--shadow-sm)}
  .seg button{appearance:none;border:0;background:transparent;color:var(--fg-2);font:inherit;
    font-size:14px;padding:8px 20px;border-radius:7px;cursor:pointer}
  .seg button[aria-selected="true"]{background:#eef2f7;color:var(--fg);font-weight:600;box-shadow:inset 0 0 0 1px var(--line)}
  .tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:32px}
  .tier{border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px;display:flex;
    flex-direction:column;background:var(--bg-2);box-shadow:var(--shadow-sm)}
  .tier.best{border-color:var(--accent);position:relative;box-shadow:var(--shadow-md);
    background:linear-gradient(180deg, #f5f9ff 0%, var(--bg-2) 48%)}
  .tier.best::after{content:"Most popular";position:absolute;top:-9px;left:24px;background:var(--accent);
    color:#fff;font-size:10.5px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;
    padding:2px 9px;border-radius:99px}
  .tier .seats{font-size:14px;color:var(--fg-2)}
  .tier .amt{font-size:34px;font-weight:800;letter-spacing:-.035em;margin-top:6px;line-height:1.05}
  .tier .amt small{font-size:14px;font-weight:500;color:var(--fg-2);letter-spacing:0}
  .tier .was{font-size:13.5px;color:var(--fg-3);text-decoration:line-through;min-height:20px;margin-top:4px}
  .tier .bill{font-size:13px;color:var(--fg-3);min-height:19px}
  .tier .go{margin-top:20px}
  .tier .go .btn{width:100%;justify-content:center}
  .tier:not(.best) .go .btn.primary{/* keep secondary on non-featured */}

  .dl-note{position:relative;margin:16px auto 0;max-width:560px;font-size:13.5px;color:var(--fg-3)}
  .shot{width:100%;height:auto;border:1px solid var(--line);border-radius:12px;display:block}
  .hero-shot{box-shadow:0 20px 50px rgba(17,24,39,.12)}
  .demo-tabs{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:28px}
  .demo-tab{font:inherit;font-size:13.5px;padding:7px 14px;border-radius:999px;cursor:pointer;
    border:1px solid var(--line);background:var(--bg-2);color:var(--fg-2)}
  .demo-tab[aria-selected="true"]{background:var(--fg);color:var(--bg);border-color:var(--fg)}
  .demo-slider{position:relative;margin-top:18px}
  .demos{display:flex;gap:22px;overflow-x:auto;scroll-snap-type:x mandatory;
    scroll-behavior:smooth;scrollbar-width:none;padding:4px 0}
  .demos::-webkit-scrollbar{display:none}
  .demo{flex:0 0 min(860px,92%);scroll-snap-align:center}
  .demo-arrow{position:absolute;top:42%;z-index:2;width:42px;height:42px;border-radius:50%;
    border:1px solid var(--line);background:var(--bg-2);color:var(--fg);font-size:24px;line-height:1;
    cursor:pointer;display:grid;place-items:center;box-shadow:0 2px 10px rgba(0,0,0,.18)}
  .demo-arrow:hover{background:var(--bg)}
  .demo-arrow.prev{left:-8px}
  .demo-arrow.next{right:-8px}
  @media (max-width:700px){.demo-arrow{display:none}}
  .demo{margin:0}
  .demo img{width:100%;height:auto;border:1px solid var(--line);border-radius:12px;display:block;background:#fff;
    box-shadow:var(--shadow-sm)}
  .demo figcaption{margin-top:10px;font-size:14px;color:var(--fg-2);line-height:1.45}
  .demo figcaption strong{color:var(--fg)}
  .plans{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:36px;max-width:900px;margin-left:auto;margin-right:auto}
  .plan{border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px;text-align:left;display:flex;
    flex-direction:column;background:var(--bg-2);box-shadow:var(--shadow-sm)}
  .plan-pro{border-color:var(--accent);box-shadow:var(--shadow-md);
    background:linear-gradient(180deg, #f5f9ff 0%, var(--bg-2) 40%)}
  .plan-kicker{font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--fg-3);font-weight:700}
  .plan h3{margin:10px 0 0;font-size:clamp(20px,2.4vw,26px);font-weight:700;letter-spacing:-.03em;line-height:1.2}
  .plan-price{font-size:32px;font-weight:800;letter-spacing:-.03em;margin-top:12px;line-height:1.1}
  .plan-price small{font-size:14px;font-weight:500;color:var(--fg-2)}
  .plan-sub{margin:10px 0 0;font-size:14.5px;color:var(--fg-2)}
  .plan-list{margin:18px 0 18px;padding-left:18px;flex:1}
  .plan-list li{margin-top:8px;font-size:14.5px;color:var(--fg-2)}
  .plan-cta{display:flex;flex-direction:column;gap:8px;margin-top:auto}
  .plan-cta .btn{justify-content:center;width:100%}
  .plan > .btn{margin-top:auto;align-self:stretch;justify-content:center}

  .faq{margin-top:30px}
  details{border-bottom:1px solid var(--line);padding:16px 0}
  summary{cursor:pointer;font-weight:650;font-size:16.5px;list-style:none;border-radius:6px}
  summary::-webkit-details-marker{display:none}
  summary::before{content:"+";color:var(--accent-2);margin-right:10px;font-weight:700}
  details[open] summary::before{content:"−"}
  details p{margin-top:10px}

  .meta{font-size:13px;color:var(--fg-3);margin-top:26px}
  footer{border-top:1px solid var(--line);padding:36px 0 56px;color:var(--fg-3);font-size:13.5px}
  footer .wrap{display:flex;gap:20px;flex-wrap:wrap;align-items:center}
  footer a{color:var(--fg-2)} footer a:hover{color:var(--fg)}
  footer .spacer{margin-left:auto}
  footer .legal{flex-basis:100%;margin-top:2px;font-size:12.5px;color:var(--fg-3)}

  @media (max-width:860px){
    .grid,.tiers,.plans{grid-template-columns:1fr}
    .strip .wrap{grid-template-columns:repeat(2,1fr)}
    .sweep{display:none} section{padding:56px 0} .hero{padding:64px 0 52px}
    section#pricing, section#plans{padding:64px 0}
  }

  /* guide pages */
  .crumb{font-size:13px;color:var(--fg-3);padding-top:26px}
  .crumb a{color:var(--fg-2)} .crumb a:hover{color:var(--fg)}
  article{padding:34px 0 72px}
  article h1{font-size:clamp(32px,4.6vw,50px);margin:14px 0 0;text-align:left;font-weight:700}
  .standfirst{font-size:18px;color:var(--fg-2);margin-top:16px;line-height:1.5}
  article h2{margin-top:52px}
  article h3{margin-top:30px;font-size:18px}
  .steps{counter-reset:s;list-style:none;padding-left:0;margin-top:18px}
  .steps li{counter-increment:s;position:relative;padding-left:38px;margin-top:14px}
  .steps li::before{content:counter(s);position:absolute;left:0;top:1px;width:24px;height:24px;
    border-radius:99px;background:var(--accent);color:#fff;font-size:12px;font-weight:700;
    display:grid;place-items:center}
  .callout{border:1px solid var(--line);border-left:3px solid var(--accent);border-radius:8px;
    padding:16px 18px;margin-top:22px;background:var(--bg-2);box-shadow:var(--shadow-sm)}
  .callout p:first-child{margin-top:0}
  code{font-family:var(--mono);font-size:.92em;color:var(--accent-2)}
  .related{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:22px}
  .related a{border:1px solid var(--line);border-radius:10px;padding:14px 16px;display:block;
    background:var(--bg-2);box-shadow:var(--shadow-sm)}
  .related a:hover{border-color:var(--line-2)}
  .related .t{font-weight:650;font-size:14.5px}
  .related .d{font-size:12.5px;color:var(--fg-3);margin-top:3px}
  .sources{font-size:13.5px;color:var(--fg-3);margin-top:20px}
  .sources a{color:var(--fg-2);text-decoration:underline}
  @media (max-width:860px){ .related{grid-template-columns:1fr} }
}