/* ===== papers-writing-help — shared stylesheet ===== */
:root{
  --bg:#ffffff;
  --bg-soft:#f7f9fc;
  --bg-accent:#eef4ff;
  --ink:#0f172a;
  --ink-soft:#475569;
  --line:#e2e8f0;
  --brand:#2563eb;
  --brand-dark:#1d4ed8;
  --brand-ink:#1e3a8a;
  --gold:#ca8a04;
  --green:#16a34a;
  --red:#dc2626;
  --radius:14px;
  --shadow:0 1px 3px rgba(15,23,42,.06),0 8px 24px rgba(15,23,42,.06);
  --maxw:1140px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.7;
  font-size:17px;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--brand-dark);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto;display:block}
h1,h2,h3,h4{line-height:1.25;color:var(--ink);margin:0 0 .5em}
h1{font-size:clamp(1.9rem,4vw,2.7rem);font-weight:800;letter-spacing:-.02em}
h2{font-size:clamp(1.5rem,3vw,2rem);font-weight:700;letter-spacing:-.01em;margin-top:2.2em}
h3{font-size:1.25rem;font-weight:700;margin-top:1.6em}
p{margin:0 0 1.1em}
ul,ol{margin:0 0 1.2em;padding-left:1.3em}
li{margin:.35em 0}
.container{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.wrap-narrow{max-width:820px;margin:0 auto;padding:0 22px}

/* header */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(8px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:18px;height:64px}
.brand{font-weight:800;font-size:1.05rem;color:var(--ink);letter-spacing:-.02em;display:flex;align-items:center;gap:8px}
.brand .dot{width:10px;height:10px;border-radius:50%;background:var(--brand);display:inline-block}
.nav-links{display:flex;gap:22px;flex-wrap:wrap}
.nav-links a{color:var(--ink-soft);font-size:.95rem;font-weight:500}
.nav-links a:hover{color:var(--brand-dark);text-decoration:none}

/* hero */
.hero{background:linear-gradient(180deg,var(--bg-accent),#fff);border-bottom:1px solid var(--line);padding:54px 0 44px}
.hero .eyebrow{display:inline-block;background:#fff;border:1px solid var(--line);color:var(--brand-ink);font-weight:600;font-size:.8rem;padding:5px 12px;border-radius:999px;margin-bottom:16px}
.hero p.lead{font-size:1.12rem;color:var(--ink-soft);max-width:680px}

/* quick answer */
.quick-answer{
  background:#fff;border:1px solid var(--line);border-left:5px solid var(--brand);
  border-radius:var(--radius);padding:22px 26px;margin:28px 0;box-shadow:var(--shadow);
}
.quick-answer h2{margin-top:0;font-size:1.2rem}
.quick-answer ul{margin-bottom:0}

/* CTA */
.cta{
  background:linear-gradient(135deg,var(--brand-dark),var(--brand));
  color:#fff;border-radius:var(--radius);padding:30px 32px;margin:28px 0;
  display:flex;flex-direction:column;gap:14px;box-shadow:var(--shadow);
}
.cta h3{color:#fff;margin:0}
.cta p{margin:0;color:#e8efff}
.cta .btn{align-self:flex-start}
.cta-banner{
  border:2px solid var(--brand);background:var(--bg-accent);border-radius:var(--radius);
  padding:24px 26px;margin:26px 0;display:flex;flex-wrap:wrap;align-items:center;gap:18px;justify-content:space-between;
}
.cta-banner .ctb-text{flex:1;min-width:240px}
.cta-banner h3{margin:0 0 .2em;color:var(--brand-ink)}
.cta-banner p{margin:0;color:var(--ink-soft)}

/* buttons */
.btn{
  display:inline-block;background:var(--brand);color:#fff;font-weight:700;
  padding:13px 26px;border-radius:999px;font-size:1rem;border:0;cursor:pointer;
  text-decoration:none;transition:transform .15s ease,background .15s ease;
}
.btn:hover{background:var(--brand-dark);color:#fff;text-decoration:none;transform:translateY(-1px)}
.btn-lg{padding:15px 34px;font-size:1.08rem}
.btn-outline{background:#fff;color:var(--brand-dark);border:1.5px solid var(--brand)}
.btn-outline:hover{background:var(--bg-accent);color:var(--brand-dark)}

/* service cards */
.grid{display:grid;gap:22px;grid-template-columns:repeat(auto-fill,minmax(320px,1fr))}
.service-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow);display:flex;flex-direction:column;
}
.service-card .rank{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--gold);font-size:.9rem;margin-bottom:8px}
.service-card .rank.medal{color:var(--brand-ink)}
.service-card h3{margin-top:0}
.service-card .price{font-weight:700;color:var(--brand-dark);font-size:1.05rem}
.service-card .blurb{color:var(--ink-soft);font-size:.96rem}
.service-card ul{font-size:.94rem;color:var(--ink-soft)}
.service-card .card-actions{margin-top:auto;padding-top:16px;display:flex;gap:12px;flex-wrap:wrap}

/* top service detailed block */
.service-block{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:30px;margin:26px 0;box-shadow:var(--shadow);
}
.service-block.featured{border:2px solid var(--brand);background:linear-gradient(180deg,var(--bg-accent),#fff)}
.service-block .head{display:flex;flex-wrap:wrap;align-items:center;gap:14px;justify-content:space-between;margin-bottom:10px}
.service-block .badge{background:var(--gold);color:#fff;font-weight:700;font-size:.78rem;padding:4px 12px;border-radius:999px}
.service-block .badge.best{background:var(--green)}
.service-block .price-tag{font-weight:700;color:var(--brand-dark)}
.service-block .pros-cons{display:grid;gap:18px;grid-template-columns:1fr 1fr;margin-top:14px}
.service-block .pros-cons h4{margin:0 0 .4em;font-size:.95rem;text-transform:uppercase;letter-spacing:.04em}
.service-block .pros h4{color:var(--green)}
.service-block .cons h4{color:var(--red)}
@media(max-width:680px){.service-block .pros-cons{grid-template-columns:1fr}}

/* tables */
.table-wrap{overflow-x:auto;margin:26px 0;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
table{width:100%;border-collapse:collapse;background:#fff;min-width:560px}
caption{caption-side:top;text-align:left;font-weight:700;padding:12px 16px;color:var(--ink-soft);font-size:.9rem}
th,td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--line);font-size:.95rem;vertical-align:top}
th{background:var(--bg-soft);font-weight:700;font-size:.85rem;text-transform:uppercase;letter-spacing:.03em;color:var(--ink-soft)}
tr:last-child td{border-bottom:0}
tbody tr:hover{background:var(--bg-accent)}

/* callouts */
.callout{border-radius:var(--radius);padding:18px 22px;margin:22px 0;border-left:5px solid var(--brand);background:var(--bg-soft)}
.callout.tip{border-color:var(--green);background:#f0fdf4}
.callout.mistake{border-color:var(--red);background:#fef2f2}
.callout.expert{border-color:var(--gold);background:#fffbeb}
.callout h4{margin:0 0 .3em;font-size:1rem}
.callout p{margin:0;color:var(--ink-soft);font-size:.96rem}

/* checklist */
.checklist{list-style:none;padding-left:0}
.checklist li{position:relative;padding-left:30px;margin:.55em 0}
.checklist li::before{content:"✓";position:absolute;left:0;top:0;color:var(--green);font-weight:800}

/* FAQ */
.faq-item{border-bottom:1px solid var(--line);padding:18px 0}
.faq-item h3{margin:0 0 .4em;font-size:1.1rem;color:var(--brand-ink)}
.faq-item p{margin:0;color:var(--ink-soft)}

/* section spacing */
section{padding:8px 0}
.section-soft{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:40px 0}

/* breadcrumb */
.breadcrumb{font-size:.85rem;color:var(--ink-soft);padding:14px 0}
.breadcrumb ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px;padding:0;margin:0}
.breadcrumb li::after{content:"›";margin-left:6px;color:var(--ink-soft)}
.breadcrumb li:last-child::after{content:""}
.breadcrumb a{color:var(--ink-soft)}

/* footer */
.site-footer{background:#0f172a;color:#cbd5e1;margin-top:50px;padding:46px 0 26px}
.site-footer a{color:#93c5fd}
.footer-grid{display:grid;gap:26px;grid-template-columns:1.4fr 1fr 1fr;margin-bottom:26px}
.footer-grid h4{color:#fff;font-size:.95rem;margin-bottom:12px}
.footer-grid ul{list-style:none;padding:0;margin:0;font-size:.9rem}
.footer-grid li{margin:.4em 0}
.footer-bottom{border-top:1px solid #1e293b;padding-top:18px;font-size:.82rem;color:#94a3b8;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between}
@media(max-width:680px){.footer-grid{grid-template-columns:1fr}}

/* utility */
.lead-review{color:var(--ink-soft);font-size:1.1rem}
.tag{display:inline-block;background:var(--bg-accent);color:var(--brand-ink);font-size:.78rem;font-weight:600;padding:3px 10px;border-radius:999px;margin-right:6px}
.score{font-weight:800;color:var(--green);font-size:1.1rem}
.muted{color:var(--ink-soft)}
.center{text-align:center}
.divider{height:1px;background:var(--line);margin:30px 0}
.kbd{background:var(--bg-soft);border:1px solid var(--line);border-radius:6px;padding:1px 7px;font-size:.85rem;font-family:var(--font-mono,monospace)}