:root{
  --teal:#0d9488; --teal-dark:#0f766e; --teal-50:#f0fdfa; --teal-100:#ccfbf1;
  --ink:#0f172a; --slate:#475569; --muted:#94a3b8; --line:#e2e8f0; --bg:#f8fafc; --white:#fff;
  --radius:16px; --wrap:1080px;
  font-synthesis:none; -webkit-font-smoothing:antialiased;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6}
a{color:var(--teal-dark);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.narrow{max-width:760px}

/* header */
header.site{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.9);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
header.site .bar{display:flex;align-items:center;justify-content:space-between;gap:10px;min-height:64px;padding-top:8px;padding-bottom:8px}
.brand{display:flex;align-items:center;gap:8px;font-weight:700;color:var(--teal-dark);font-size:19px;white-space:nowrap}
.brand:hover{text-decoration:none}
.brand .logo{font-size:22px}
nav.top{display:flex;align-items:center}
nav.top a{color:var(--slate);font-weight:500;margin-left:18px;white-space:nowrap}
nav.top a:hover{color:var(--ink);text-decoration:none}
/* Phones: drop the secondary Guides link and tighten so brand + Sign in + CTA fit one row. */
@media(max-width:560px){
  header.site .bar{min-height:56px}
  .brand{font-size:17px}
  .brand .logo{font-size:20px}
  nav.top a{margin-left:14px}
  nav.top a[href="/blog"]{display:none}
  nav.top a.btn{padding:9px 15px}
}
.btn{display:inline-block;padding:11px 20px;border-radius:12px;font-weight:600;border:1px solid transparent;cursor:pointer}
.btn-primary{background:var(--teal);color:#fff}
.btn-primary:hover{background:var(--teal-dark);text-decoration:none;color:#fff}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{background:var(--teal-50);text-decoration:none}
.btn-lg{padding:14px 26px;font-size:17px}

/* hero */
.hero{padding:72px 0 48px;text-align:center;background:radial-gradient(1200px 400px at 50% -10%,var(--teal-50),transparent)}
.hero h1{font-size:clamp(30px,5vw,50px);line-height:1.1;margin:0 0 16px;letter-spacing:-.02em}
.hero p.lead{font-size:clamp(17px,2.4vw,21px);color:var(--slate);max-width:640px;margin:0 auto 28px}
.hero .cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.hero .fine{color:var(--muted);font-size:14px;margin-top:14px}

/* trust strip */
.trust{display:flex;gap:24px;justify-content:center;flex-wrap:wrap;color:var(--slate);font-size:14px;padding:8px 0 0}
.trust span{display:inline-flex;align-items:center;gap:6px}

/* sections */
section{padding:56px 0}
section h2{font-size:clamp(24px,3.4vw,34px);letter-spacing:-.01em;margin:0 0 10px;text-align:center}
section .sub{color:var(--slate);text-align:center;max-width:620px;margin:0 auto 36px}
.grid{display:grid;gap:20px}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
@media(max-width:820px){.g3,.g2{grid-template-columns:1fr}}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.card .ico{font-size:26px}
.card h3{margin:10px 0 6px;font-size:18px}
.card p{margin:0;color:var(--slate);font-size:15px}
.step{counter-increment:step}
.step .n{width:34px;height:34px;border-radius:50%;background:var(--teal);color:#fff;display:grid;place-items:center;font-weight:700}

/* pricing */
.tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:stretch}
@media(max-width:820px){.tiers{grid-template-columns:1fr}}
.tier{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;display:flex;flex-direction:column}
.tier.pop{border-color:var(--teal);box-shadow:0 0 0 3px var(--teal-100)}
.tier .name{font-weight:700}
.tier .price{font-size:34px;font-weight:700;margin:8px 0 2px}
.tier .price small{font-size:15px;color:var(--muted);font-weight:400}
.tier ul{list-style:none;padding:0;margin:16px 0;flex:1}
.tier li{padding:5px 0;color:var(--slate);font-size:15px}
.tier li::before{content:"✓";color:var(--teal);font-weight:700;margin-right:8px}
.badge{display:inline-block;font-size:12px;background:var(--teal-50);color:var(--teal-dark);border-radius:999px;padding:3px 10px;margin-left:8px}
.tier-sub{color:var(--slate);font-size:14px;font-weight:600;margin:2px 0 0}
.tier-note{color:var(--muted);font-size:13px;text-align:center;margin:10px 0 0}
.tier.pop li b{color:var(--ink,#0f172a);font-weight:600}
.offer-note{color:var(--teal-dark);font-size:13px;font-weight:600;margin:6px 0 0}
/* currency + billing-period toggles */
.toggles{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin:0 0 22px}
.period-toggle{display:inline-flex;gap:4px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:4px;margin:0}
.pt-btn{border:0;background:transparent;color:var(--muted);font:inherit;font-size:14px;font-weight:600;padding:7px 16px;border-radius:999px;cursor:pointer}
.pt-btn.is-active{background:var(--teal);color:#fff}
.p-annual{display:none}
#pricing.show-annual .p-monthly{display:none}
#pricing.show-annual span.p-annual{display:inline}
#pricing.show-annual p.p-annual{display:block}

/* faq */
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:4px 18px;margin-bottom:10px}
.faq summary{cursor:pointer;font-weight:600;padding:14px 0;list-style:none;display:flex;justify-content:space-between;align-items:flex-start;gap:14px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--muted);flex-shrink:0;line-height:1.5}
.faq details[open] summary::after{content:"–"}
.faq p{color:var(--slate);margin:0 0 14px}

/* banner cta */
.cta-band{background:linear-gradient(135deg,var(--teal),var(--teal-dark));color:#fff;border-radius:24px;text-align:center;padding:48px 24px;margin:8px 0}
.cta-band h2{color:#fff}
.cta-band p{color:#d1faf4;max-width:560px;margin:0 auto 22px}
.cta-band .btn-ghost{background:#fff}

/* article */
.article{background:#fff}
.article .body{max-width:720px;margin:0 auto;padding:8px 20px 40px}
.article h1{font-size:clamp(26px,4vw,38px);line-height:1.15;letter-spacing:-.02em;margin:8px 0 6px}
.article .meta{color:var(--muted);font-size:14px;margin-bottom:24px}
.article h2{font-size:24px;margin:32px 0 10px;text-align:left}
.article h3{font-size:19px;margin:24px 0 8px}
.article p,.article li{color:#334155;font-size:17px}
.article ul,.article ol{padding-left:22px}
.article .checklist{list-style:none;padding:0}
.article .checklist li{padding:8px 0 8px 30px;position:relative;border-bottom:1px solid var(--line)}
.article .checklist li::before{content:"☐";position:absolute;left:0;color:var(--teal);font-size:18px}
.article table{width:100%;border-collapse:collapse;margin:18px 0;font-size:15px}
.article th,.article td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.article th{background:var(--teal-50)}
.callout{background:var(--teal-50);border:1px solid var(--teal-100);border-radius:12px;padding:16px 18px;margin:22px 0;font-size:15px;color:var(--teal-dark)}
.post-list{display:grid;gap:16px}
.post-list a.post{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.post-list a.post:hover{text-decoration:none;border-color:var(--teal)}
.post-list h3{margin:0 0 6px;color:var(--ink)}
.post-list p{margin:0;color:var(--slate)}

/* footer */
footer.site{border-top:1px solid var(--line);background:#fff;padding:32px 0;margin-top:40px;color:var(--muted);font-size:14px}
footer.site .row{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}
footer.site a{color:var(--slate)}
.disclaimer{color:var(--muted);font-size:13px;text-align:center;max-width:640px;margin:24px auto 0}