:root{
  --teal:#0d9488; --teal-d:#0f766e; --ink:#1f2937; --muted:#6b7280;
  --line:#e5e7eb; --bg:#ffffff; --soft:#f8fafc; --soft2:#f1f5f9;
  --amber:#f59e0b; --rose:#e11d48; --radius:14px;
  --sans:'Segoe UI',system-ui,-apple-system,Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:var(--sans);color:var(--ink);background:var(--bg);line-height:1.7;font-size:17px}
img{max-width:100%}
a{color:var(--teal-d);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:760px;margin:0 auto;padding:0 20px}
.wide{max-width:1080px;margin:0 auto;padding:0 20px}

/* Header */
header.site{position:sticky;top:0;z-index:20;background:#fff;border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;max-width:1080px;margin:0 auto;padding:12px 20px}
.brand{display:flex;align-items:center;gap:9px;font-weight:800;font-size:20px;color:var(--ink);letter-spacing:-.3px}
.brand .logo{width:32px;height:32px;flex:0 0 auto}
.brand span.n{color:var(--teal)}
.menu{display:flex;gap:22px;font-size:15px;font-weight:600;color:var(--muted)}
.menu a{color:var(--muted)}
.menu a:hover,.menu a.on{color:var(--teal-d);text-decoration:none}
.search{width:38px;height:38px;border:1px solid var(--line);border-radius:10px;display:flex;align-items:center;justify-content:center;color:var(--muted)}
.mnav{display:none;gap:6px;flex-wrap:wrap;padding:8px 20px 10px;border-top:1px solid var(--line)}
.mnav a{font-size:13px;background:var(--soft2);color:var(--muted);padding:5px 11px;border-radius:999px;font-weight:600}
@media(max-width:720px){.menu{display:none}.mnav{display:flex}}

/* Article */
main{padding:26px 0 10px}
.crumb{font-size:13px;color:var(--muted);margin-bottom:16px}
.crumb a{color:var(--muted)}
.cat{display:inline-block;background:#ccfbf1;color:var(--teal-d);font-weight:700;font-size:12px;letter-spacing:.5px;padding:5px 11px;border-radius:999px;text-transform:uppercase}
.cat.amber{background:#fef3c7;color:#b45309}
.cat.blue{background:#dbeafe;color:#1d4ed8}
h1{font-size:33px;line-height:1.25;letter-spacing:-.5px;margin:14px 0 16px}
.byline{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:14px;border-bottom:1px solid var(--line);padding-bottom:18px;margin-bottom:22px}
.avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,var(--teal),#22d3ee);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:15px;flex:0 0 auto}
.byline .who b{color:var(--ink);font-weight:700}
.byline .dot{opacity:.5}

.hero{border-radius:var(--radius);overflow:hidden;margin:0 0 10px;border:1px solid var(--line)}
.hero svg{display:block;width:100%;height:auto}
.caption{font-size:13px;color:var(--muted);text-align:center;margin:10px 0 26px;font-style:italic}

article p{margin:0 0 20px}
article h2{font-size:24px;letter-spacing:-.3px;margin:34px 0 14px;padding-top:6px}
article h3{font-size:19px;margin:26px 0 10px}
.lead{font-size:19px;color:#374151}
ul.tick{list-style:none;padding:0;margin:0 0 22px}
ul.tick li{position:relative;padding:6px 0 6px 34px;margin-bottom:4px;border-bottom:1px dashed var(--line)}
ul.tick li:before{content:"";position:absolute;left:0;top:11px;width:20px;height:20px;border-radius:50%;
  background:var(--teal) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3'><path d='M20 6L9 17l-5-5'/></svg>") center/13px no-repeat}

.callout{border-left:5px solid var(--teal);background:var(--soft);border-radius:10px;padding:16px 20px;margin:24px 0}
.callout.warn{border-color:var(--rose);background:#fff1f2}
.callout .k{display:block;font-weight:800;color:var(--teal-d);margin-bottom:6px;font-size:14px;letter-spacing:.4px;text-transform:uppercase}
.callout.warn .k{color:var(--rose)}

.related{border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;margin:30px 0;background:var(--soft)}
.related h4{margin:0 0 12px;font-size:13px;letter-spacing:.5px;color:var(--muted);text-transform:uppercase}
.related a{display:flex;gap:12px;align-items:center;padding:9px 0;border-bottom:1px solid var(--line);color:var(--ink);font-weight:600}
.related a:last-child{border-bottom:0}
.related a:hover{color:var(--teal-d);text-decoration:none}
.related .th{width:56px;height:44px;border-radius:8px;flex:0 0 auto;background:linear-gradient(135deg,#a7f3d0,#67e8f9)}
.related a:nth-child(3) .th{background:linear-gradient(135deg,#fde68a,#fca5a5)}
.related a:nth-child(4) .th{background:linear-gradient(135deg,#bfdbfe,#c4b5fd)}

.tags{margin:26px 0 6px;display:flex;flex-wrap:wrap;gap:8px}
.tags a{font-size:13px;background:var(--soft2);color:var(--muted);padding:6px 12px;border-radius:999px;font-weight:600}
.disc{font-size:13.5px;color:var(--muted);background:var(--soft2);border-radius:10px;padding:14px 18px;margin:28px 0 10px}

/* Home / listing */
.hero-home{background:linear-gradient(135deg,#0d9488,#0891b2);color:#fff;border-radius:var(--radius);padding:38px 30px;margin-bottom:30px;position:relative;overflow:hidden}
.hero-home:before{content:"";position:absolute;right:-60px;top:-80px;width:260px;height:260px;border-radius:50%;background:#fff;opacity:.08}
.hero-home h1{color:#fff;margin:0 0 10px;font-size:34px}
.hero-home p{margin:0;max-width:560px;font-size:17px;opacity:.95}
.hero-home .cta{display:inline-block;margin-top:18px;background:#fff;color:var(--teal-d);font-weight:800;padding:10px 18px;border-radius:10px}
.sec{display:flex;align-items:baseline;justify-content:space-between;margin:26px 0 14px}
.sec h2{margin:0;font-size:22px;letter-spacing:-.3px}
.sec a{font-size:14px;font-weight:600}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
@media(max-width:860px){.grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.grid{grid-template-columns:1fr}}
.card{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;display:flex;flex-direction:column}
.card .th{height:150px;background:linear-gradient(135deg,#a7f3d0,#67e8f9);position:relative}
.card .th.g2{background:linear-gradient(135deg,#fde68a,#fca5a5)}
.card .th.g3{background:linear-gradient(135deg,#bfdbfe,#c4b5fd)}
.card .th.g4{background:linear-gradient(135deg,#fbcfe8,#fdba74)}
.card .th.g5{background:linear-gradient(135deg,#bbf7d0,#fde68a)}
.card .th.g6{background:linear-gradient(135deg,#99f6e4,#a5b4fc)}
.card .th svg{position:absolute;right:14px;bottom:10px;width:64px;height:64px;opacity:.9}
.card .b{padding:16px 18px 18px;display:flex;flex-direction:column;gap:8px;flex:1}
.card h3{margin:0;font-size:17px;line-height:1.35}
.card h3 a{color:var(--ink)}
.card h3 a:hover{color:var(--teal-d);text-decoration:none}
.card .x{font-size:13px;color:var(--muted)}
.card .d{font-size:14px;color:#4b5563;margin:0}
.cats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:8px 0 30px}
@media(max-width:560px){.cats{grid-template-columns:1fr}}
.cats a{display:block;border:1px solid var(--line);border-radius:12px;padding:16px 18px;color:var(--ink);background:var(--soft)}
.cats a b{display:block;font-size:16px;color:var(--teal-d)}
.cats a span{font-size:13.5px;color:var(--muted)}
.cats a:hover{text-decoration:none;border-color:var(--teal)}

/* Static pages */
.page h1{font-size:30px}
.page h2{font-size:22px;margin:30px 0 10px}
.page p{margin:0 0 16px}
.team{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin:20px 0}
@media(max-width:560px){.team{grid-template-columns:1fr}}
.team .m{border:1px solid var(--line);border-radius:12px;padding:16px;display:flex;gap:14px;align-items:flex-start}
.team .m b{display:block}
.team .m span{font-size:14px;color:var(--muted)}
form.ct{display:grid;gap:12px;margin:18px 0}
form.ct label{font-size:14px;font-weight:600;color:#374151}
form.ct input,form.ct textarea,form.ct select{width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:10px;font:inherit;font-size:15px}
form.ct button{background:var(--teal);color:#fff;border:0;border-radius:10px;padding:12px 18px;font-weight:800;font-size:15px;cursor:pointer}
.faq details{border:1px solid var(--line);border-radius:10px;padding:12px 16px;margin-bottom:10px;background:var(--soft)}
.faq summary{font-weight:700;cursor:pointer}

/* Footer */
footer.site{background:#0b1220;color:#9aa4b2;margin-top:40px;padding:38px 0 30px}
footer .cols{max-width:1080px;margin:0 auto;padding:0 20px;display:flex;flex-wrap:wrap;gap:30px;justify-content:space-between}
footer .brand{color:#fff}
footer .brand span.n{color:#2dd4bf}
footer .col h5{color:#e5e7eb;font-size:14px;margin:0 0 10px}
footer .col a{display:block;color:#9aa4b2;font-size:14px;padding:4px 0}
footer .bottom{max-width:1080px;margin:22px auto 0;padding:16px 20px 0;border-top:1px solid #1f2a3a;font-size:13px}
footer .bottom a{color:#c7ced8}