/* SendCleanly — main stylesheet */
:root{
  --ink:#0d1b2a;--text:#2b3648;--muted:#5d687a;--line:#e3e9f0;
  --bg:#ffffff;--soft:#f3f7fa;--soft2:#eaf6f3;
  --brand:#0b6b78;--brand-dark:#084f59;--mint:#14b88f;--mint-soft:#e3f7f1;
  --sun:#ffb547;--sun-soft:#fff5e3;--red:#d64545;--red-soft:#fdecec;
  --radius:14px;--shadow:0 1px 2px rgba(13,27,42,.05),0 8px 24px rgba(13,27,42,.06);
  --font:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --maxw:1140px;--readw:760px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--font);font-size:1.0625rem;line-height:1.7;color:var(--text);background:var(--bg);overflow-x:hidden}
img,svg{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-underline-offset:3px}
a:hover{color:var(--brand-dark)}
h1,h2,h3,h4{color:var(--ink);line-height:1.25;letter-spacing:-.015em;margin:0 0 .6em}
h1{font-size:clamp(1.9rem,4.6vw,2.9rem);font-weight:800}
h2{font-size:clamp(1.45rem,3vw,1.9rem);font-weight:800;margin-top:2.2em}
h3{font-size:clamp(1.15rem,2.2vw,1.3rem);font-weight:700;margin-top:1.7em}
p{margin:0 0 1.15em}
ul,ol{padding-left:1.3em;margin:0 0 1.2em}
li{margin-bottom:.45em}
strong{color:var(--ink)}
code{background:var(--soft);border:1px solid var(--line);border-radius:6px;padding:.1em .4em;font-size:.88em;word-break:break-word}
pre{background:#0f2233;color:#e6f1f5;border-radius:12px;padding:16px 18px;overflow-x:auto;font-size:.9rem;line-height:1.55;margin:0 0 1.3em}
pre code{background:none;border:0;padding:0;color:inherit;font-size:inherit}
.skip{position:absolute;left:-9999px}.skip:focus{left:12px;top:12px;background:#fff;padding:8px 12px;z-index:99}
.container{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.read{max-width:var(--readw);margin:0 auto}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:saturate(180%) blur(10px);-webkit-backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:66px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-weight:800;font-size:1.22rem;letter-spacing:-.02em}
.logo svg{width:34px;height:34px}
.logo span b{color:var(--mint);font-weight:800}
.menu{display:flex;gap:26px;align-items:center;list-style:none;margin:0;padding:0}
.menu li{margin:0}
.menu a{color:var(--text);text-decoration:none;font-weight:600;font-size:.97rem}
.menu a:hover,.menu a[aria-current="page"]{color:var(--brand)}
.menu .cta-link{background:var(--brand);color:#fff;padding:9px 16px;border-radius:999px}
.menu .cta-link:hover{background:var(--brand-dark);color:#fff}
.burger{display:none;background:none;border:0;padding:8px;cursor:pointer;color:var(--ink)}
.burger svg{width:26px;height:26px}
@media (max-width:860px){
  .burger{display:block}
  .menu{position:absolute;top:66px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;gap:0;border-bottom:1px solid var(--line);box-shadow:var(--shadow);display:none;padding:8px 0}
  .menu.open{display:flex}
  .menu a{display:block;padding:13px 22px}
  .menu .cta-link{margin:8px 20px 6px;text-align:center}
}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;text-decoration:none;border-radius:999px;padding:13px 24px;font-size:1rem;border:2px solid transparent;transition:transform .15s,background .15s;line-height:1.2;text-align:center}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--brand);color:#fff}.btn-primary:hover{background:var(--brand-dark);color:#fff}
.btn-mint{background:var(--mint);color:#fff}.btn-mint:hover{background:#0f9c79;color:#fff}
.btn-ghost{border-color:var(--line);color:var(--ink);background:#fff}.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}

/* Hero */
.hero{background:radial-gradient(1200px 400px at 85% -10%,#dff5ef 0,transparent 60%),linear-gradient(180deg,#f6fafc 0,#fff 100%);padding:64px 0 56px;border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center}
.eyebrow{display:inline-block;background:var(--mint-soft);color:#0a7a5f;font-weight:700;font-size:.82rem;letter-spacing:.06em;text-transform:uppercase;padding:6px 12px;border-radius:999px;margin-bottom:16px}
.hero p.lead{font-size:1.18rem;color:var(--muted);max-width:600px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.trust{display:flex;flex-wrap:wrap;gap:18px;margin-top:26px;color:var(--muted);font-size:.93rem}
.trust span{display:flex;align-items:center;gap:7px}
.trust svg{width:18px;height:18px;color:var(--mint)}
@media (max-width:860px){.hero{padding:40px 0}.hero-grid{grid-template-columns:1fr;gap:28px}.hero-art{max-width:420px;margin:0 auto}}

/* Sections */
.section{padding:64px 0}
.section.alt{background:var(--soft)}
.section-head{max-width:680px;margin-bottom:34px}
.section-head p{color:var(--muted);font-size:1.08rem}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
@media (max-width:900px){.grid-3{grid-template-columns:repeat(2,1fr)}}
@media (max-width:620px){.grid-3,.grid-2{grid-template-columns:1fr}.section{padding:44px 0}}

/* Cards */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);display:flex;flex-direction:column}
.card h3{margin-top:0;font-size:1.15rem}
.card p{color:var(--muted);font-size:.98rem}
.card .icon{width:46px;height:46px;border-radius:12px;background:var(--mint-soft);color:#0a7a5f;display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.card .icon svg{width:24px;height:24px}
.post-card{padding:0;overflow:hidden;text-decoration:none;color:inherit;transition:transform .15s,box-shadow .15s}
.post-card:hover{transform:translateY(-3px);box-shadow:0 12px 32px rgba(13,27,42,.1)}
.post-card .thumb{aspect-ratio:16/9;background:var(--soft2);border-bottom:1px solid var(--line)}
.post-card .thumb img{width:100%;height:100%;object-fit:cover}
.post-card .body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.post-card h3{color:var(--ink);margin:6px 0 8px;font-size:1.12rem}
.post-card p{margin:0 0 14px}
.post-card .more{margin-top:auto;color:var(--brand);font-weight:700;font-size:.95rem}
.tag{display:inline-block;font-size:.76rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--brand)}
.tag.mint{color:#0a7a5f}

/* Article */
.breadcrumb{font-size:.88rem;color:var(--muted);padding:18px 0 0}
.breadcrumb ol{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:6px}
.breadcrumb li{margin:0}
.breadcrumb li+li::before{content:"›";margin-right:6px;color:#9aa5b5}
.breadcrumb a{color:var(--muted);text-decoration:none}
.breadcrumb a:hover{color:var(--brand)}
.article-head{padding:22px 0 10px}
.article-head .lede{font-size:1.16rem;color:var(--muted)}
.byline{display:flex;align-items:center;gap:12px;flex-wrap:nowrap;font-size:.92rem;color:var(--muted);margin:18px 0 6px}
.avatar{width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--mint));color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;font-size:.95rem;flex:none}
.byline a{font-weight:700;color:var(--ink);text-decoration:none}
.byline .dot{color:#b5bfcc}
.article-hero{margin:22px 0 8px;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:var(--soft2)}
.article-hero img{width:100%}
.article-body{padding-bottom:30px}
.article-body h2{scroll-margin-top:84px}
.article-body h3{scroll-margin-top:84px}
.article-body table{width:100%;border-collapse:collapse;margin:0 0 1.4em;font-size:.96rem}
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:0 0 1.4em;border:1px solid var(--line);border-radius:12px}
.table-wrap table{margin:0;min-width:520px}
.article-body th,.article-body td{padding:11px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.article-body th{background:var(--soft);color:var(--ink);font-weight:700}
.article-body tr:last-child td{border-bottom:0}

.takeaways{background:var(--mint-soft);border:1px solid #bfe9dc;border-radius:var(--radius);padding:20px 22px 8px;margin:24px 0}
.takeaways h2{margin:0 0 10px;font-size:1.1rem;text-transform:uppercase;letter-spacing:.05em;color:#0a6a53}
.takeaways ul{margin-bottom:12px}
.toc{background:var(--soft);border:1px solid var(--line);border-radius:var(--radius);padding:18px 22px;margin:24px 0}
.toc summary{font-weight:800;color:var(--ink);cursor:pointer}
.toc ol{margin:12px 0 4px;font-size:.97rem}
.toc a{text-decoration:none}
.callout{border-left:4px solid var(--brand);background:var(--soft);border-radius:0 12px 12px 0;padding:16px 20px;margin:0 0 1.4em}
.callout p:last-child{margin:0}
.callout.tip{border-color:var(--mint);background:var(--mint-soft)}
.callout.warn{border-color:var(--sun);background:var(--sun-soft)}
.callout .label{display:block;font-weight:800;color:var(--ink);margin-bottom:4px;font-size:.95rem}
.checklist{list-style:none;padding:0}
.checklist li{position:relative;padding-left:32px}
.checklist li::before{content:"";position:absolute;left:0;top:.28em;width:20px;height:20px;border-radius:6px;background:var(--mint) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12.5l4.5 4.5L19 7.5'/%3E%3C/svg%3E") center/14px no-repeat}
.steps{counter-reset:s;list-style:none;padding:0}
.steps>li{counter-increment:s;position:relative;padding-left:46px;margin-bottom:1em}
.steps>li::before{content:counter(s);position:absolute;left:0;top:0;width:32px;height:32px;border-radius:50%;background:var(--brand);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;font-size:.95rem}

/* Affiliate box */
.reco{border:2px solid var(--mint);border-radius:18px;padding:24px;margin:34px 0;background:linear-gradient(180deg,#f2fbf8 0,#fff 70%);position:relative}
.reco .badge{position:absolute;top:-13px;left:22px;background:var(--mint);color:#fff;font-size:.75rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;padding:4px 12px;border-radius:999px}
.reco h3{margin:6px 0 10px;font-size:1.3rem}
.reco ul{margin-bottom:16px}
.reco .btn{width:auto}
.reco.blue{border-color:var(--brand);background:linear-gradient(180deg,#eef7f8 0,#fff 70%)}
.reco.blue .badge{background:var(--brand)}
.aff-note{display:block;font-size:.74rem;font-style:italic;color:#8a94a3;margin-top:10px;line-height:1.45}

/* FAQ */
.faq details{border:1px solid var(--line);border-radius:12px;padding:0 18px;margin-bottom:10px;background:#fff}
.faq summary{cursor:pointer;font-weight:700;color:var(--ink);padding:15px 0;list-style:none;position:relative;padding-right:28px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:0;top:12px;font-size:1.4rem;color:var(--brand);font-weight:400}
.faq details[open] summary::after{content:"–"}
.faq details p{margin:0 0 15px;color:var(--text)}

/* Author box */
.author-box{display:flex;gap:18px;align-items:flex-start;background:var(--soft);border:1px solid var(--line);border-radius:var(--radius);padding:22px;margin:36px 0}
.author-box .avatar{width:64px;height:64px;font-size:1.25rem}
.author-box h3{margin:0 0 4px;font-size:1.1rem}
.author-box p{margin:0 0 8px;font-size:.97rem;color:var(--muted)}
@media (max-width:560px){.author-box{flex-direction:column}}

.related{padding:20px 0 50px}
.related h2{margin-top:0}

/* Page head */
.page-head{background:var(--soft);border-bottom:1px solid var(--line);padding:46px 0 36px}
.page-head p{color:var(--muted);font-size:1.1rem;max-width:680px;margin-bottom:0}
.prose{padding:40px 0 60px}
.cat-title{display:flex;align-items:center;gap:10px;margin:46px 0 18px}
.cat-title:first-child{margin-top:0}

/* Stats band */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;text-align:center}
.stat b{display:block;font-size:1.7rem;color:var(--brand);line-height:1.1;margin-bottom:6px}
.stat span{font-size:.92rem;color:var(--muted)}
@media (max-width:760px){.stats{grid-template-columns:repeat(2,1fr)}}

/* Tool cards */
.tool{border:1px solid var(--line);border-radius:18px;padding:26px;background:#fff;box-shadow:var(--shadow)}
.tool .tool-top{display:flex;align-items:center;gap:14px;margin-bottom:12px}
.tool .tool-logo{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:1.3rem;flex:none}
.tool h3{margin:0}
.tool .for{color:var(--muted);font-size:.93rem;margin:2px 0 0}

/* CTA band */
.cta-band{background:linear-gradient(135deg,var(--brand) 0,#0d8a8a 55%,var(--mint) 100%);color:#fff;border-radius:22px;padding:40px;display:grid;grid-template-columns:1.4fr 1fr;gap:24px;align-items:center}
.cta-band h2{color:#fff;margin:0 0 8px}
.cta-band p{margin:0;color:#e6fbf6}
.cta-band .btn{background:#fff;color:var(--brand-dark)}
.cta-band .actions{display:flex;flex-wrap:wrap;gap:10px;justify-content:flex-end}
@media (max-width:760px){.cta-band{grid-template-columns:1fr;padding:28px}.cta-band .actions{justify-content:flex-start}}

/* Footer */
.site-footer{background:#0d1b2a;color:#b9c4d2;padding:54px 0 26px;font-size:.95rem}
.site-footer a{color:#dbe4ee;text-decoration:none}
.site-footer a:hover{color:#fff;text-decoration:underline}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:30px}
.site-footer h4{color:#fff;font-size:.95rem;text-transform:uppercase;letter-spacing:.06em;margin-bottom:14px}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin-bottom:9px}
.site-footer .logo{color:#fff;margin-bottom:12px}
.foot-bottom{border-top:1px solid #23344a;margin-top:36px;padding-top:20px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:.86rem;color:#8796a8}
@media (max-width:860px){.foot-grid{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.foot-grid{grid-template-columns:1fr}}

.center{text-align:center}
.muted{color:var(--muted)}
.mt0{margin-top:0}