/* Theme: paper — clean corporate document look (jpg-to-pdf.org) */
:root{
  --ink:#1c2733; --muted:#5b6b7b; --line:#e1e7ee;
  --blue:#1f5fbf; --blue-dk:#16447f; --bg:#f5f7fa; --paper:#ffffff;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font:17px/1.7 -apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
h1,h2,h3{font-family:Georgia,"Times New Roman",serif;line-height:1.25;color:var(--ink)}
a{color:var(--blue);text-decoration:none}
a:hover{color:var(--blue-dk);text-decoration:underline}

/* top bar */
.topbar{background:var(--paper);border-bottom:1px solid var(--line)}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-family:Georgia,serif;font-weight:700;font-size:1.35rem;color:var(--ink)}
.logo b{color:var(--blue)}
.nav a{margin-left:22px;color:var(--muted);font-size:.95rem;font-weight:500}
.nav a.active,.nav a:hover{color:var(--blue)}

.wrap{max-width:920px;margin:0 auto;padding:0 22px}

/* hero */
.hero{background:linear-gradient(180deg,#fff,#eef3f9);border-bottom:1px solid var(--line);padding:54px 0 46px}
.hero h1{font-size:2.6rem;margin:0 0 12px}
.hero p.lead{font-size:1.2rem;color:var(--muted);max-width:640px;margin:0}
.cta{display:inline-block;margin-top:26px;background:var(--blue);color:#fff;
  padding:13px 26px;border-radius:6px;font-weight:600}
.cta:hover{background:var(--blue-dk);color:#fff;text-decoration:none}

/* breadcrumb */
.crumb{font-size:.85rem;color:var(--muted);padding:16px 0 0}
.crumb a{color:var(--muted)}

/* article paper card */
main{padding:34px 0 10px}
.paper{background:var(--paper);border:1px solid var(--line);border-radius:10px;
  padding:40px 46px;box-shadow:0 1px 2px rgba(20,40,70,.04);margin-bottom:28px}
.paper h2{font-size:1.7rem;margin:34px 0 12px;padding-bottom:6px;border-bottom:2px solid #eef2f7}
.paper h2:first-child{margin-top:0}
.paper h3{font-size:1.25rem;margin:24px 0 8px;color:var(--blue-dk)}
.paper p,.paper li{color:#283645}
.paper ul,.paper ol{padding-left:22px}
.paper li{margin:6px 0}

.callout{background:#eff5ff;border-left:4px solid var(--blue);padding:14px 18px;border-radius:0 6px 6px 0;margin:20px 0;color:#23435f}

/* steps */
.steps{counter-reset:s;list-style:none;padding:0;margin:18px 0}
.steps li{counter-increment:s;position:relative;padding:14px 0 14px 56px;border-bottom:1px solid var(--line)}
.steps li:last-child{border-bottom:0}
.steps li::before{content:counter(s);position:absolute;left:0;top:12px;width:36px;height:36px;
  background:var(--blue);color:#fff;border-radius:50%;display:grid;place-items:center;font-weight:700;font-family:Georgia,serif}

/* comparison table */
table.cmp{width:100%;border-collapse:collapse;margin:18px 0}
table.cmp th,table.cmp td{border:1px solid var(--line);padding:11px 14px;text-align:left;vertical-align:top}
table.cmp th{background:#f0f5fb;font-family:Georgia,serif}
table.cmp tr:nth-child(even) td{background:#fafcfe}

/* faq */
.faq details{border:1px solid var(--line);border-radius:8px;padding:4px 18px;margin:12px 0;background:#fff}
.faq summary{cursor:pointer;font-weight:600;padding:12px 0;font-size:1.05rem}
.faq details[open] summary{color:var(--blue)}
.faq p{margin:0 0 14px;color:#3a4a5a}

/* footer */
footer{border-top:1px solid var(--line);background:var(--paper);margin-top:30px;padding:30px 0;color:var(--muted);font-size:.9rem}
footer a{color:var(--blue)}
.movebox{background:#f0f5fb;border:1px solid #d6e3f4;border-radius:8px;padding:16px 20px;margin-bottom:18px;color:#23435f}

@media(max-width:640px){
  .hero h1{font-size:2rem}.paper{padding:26px 22px}.nav a{margin-left:14px;font-size:.85rem}
}