/* truncations.net — modern static design system */
:root{
  --bg:#ffffff; --surface:#f7f9fc; --surface-2:#eef2f9; --ink:#11203b; --ink-soft:#42526b;
  --muted:#5e6c85; --line:#e2e8f2; --brand:#3b5bdb; --brand-2:#5b8def; --brand-ink:#1e3a8a;
  --accent:#0bb98c; --warn:#f59e0b; --code-bg:#0f1b33; --code-ink:#e6edff;
  --radius:14px; --radius-lg:22px; --shadow:0 1px 2px rgba(16,32,59,.06),0 12px 30px -12px rgba(16,32,59,.18);
  --shadow-sm:0 1px 2px rgba(16,32,59,.05),0 6px 16px -10px rgba(16,32,59,.16);
  --maxw:1120px; --font:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.65;font-size:17px;-webkit-font-smoothing:antialiased}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}
h1,h2,h3,h4{line-height:1.2;color:var(--ink);font-weight:800;letter-spacing:-.02em}
h2{font-size:1.85rem;margin:0 0 .6em}
h3{font-size:1.3rem}
.eyebrow{text-transform:uppercase;letter-spacing:.14em;font-size:.74rem;font-weight:700;color:var(--brand);margin:0 0 .6rem}

/* ---------- Nav ---------- */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.86);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:66px}
.brand{display:flex;align-items:center;gap:.6rem;font-weight:800;font-size:1.18rem;letter-spacing:-.02em;color:var(--ink)}
.brand:hover{text-decoration:none}
.brand .logo{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,var(--brand),var(--brand-2));display:grid;place-items:center;color:#fff;font-family:var(--mono);font-weight:700;font-size:1.05rem;box-shadow:var(--shadow-sm)}
.nav-links{display:flex;align-items:center;gap:.4rem}
.nav-links a{padding:.5rem .8rem;border-radius:9px;color:var(--ink-soft);font-weight:600;font-size:.95rem}
.nav-links a:hover{background:var(--surface-2);color:var(--ink);text-decoration:none}
.nav-cta{background:var(--brand);color:#fff!important}
.nav-cta:hover{background:var(--brand-ink)!important}
.menu-btn{display:none;background:none;border:0;cursor:pointer;padding:.4rem;width:42px;height:42px}
.menu-btn span{display:block;height:2.5px;width:22px;background:var(--ink);margin:4px auto;border-radius:2px;transition:.25s}
.menu-btn.open span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
.menu-btn.open span:nth-child(2){opacity:0}
.menu-btn.open span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}
@media(max-width:860px){
  .menu-btn{display:block}
  .nav-links{position:fixed;inset:66px 0 auto 0;flex-direction:column;align-items:stretch;gap:0;background:#fff;border-bottom:1px solid var(--line);padding:.6rem 22px 1rem;transform:translateY(-130%);transition:transform .28s ease;box-shadow:var(--shadow)}
  .nav-links.open{transform:translateY(0)}
  .nav-links a{padding:.85rem .6rem;border-radius:10px}
  .nav-cta{text-align:center;margin-top:.4rem}
}

/* ---------- Hero ---------- */
.hero{position:relative;padding:74px 0 60px;background:radial-gradient(1200px 500px at 75% -10%,rgba(91,141,239,.18),transparent),linear-gradient(180deg,var(--surface),#fff)}
.hero h1{font-size:clamp(2.1rem,4.6vw,3.5rem);margin:.2rem 0 .5rem;max-width:14ch}
.hero p{font-size:1.18rem;color:var(--ink-soft);max-width:60ch;margin:0 0 1.6rem}
.hero .btns{display:flex;gap:.8rem;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.8rem 1.4rem;border-radius:11px;font-weight:700;font-size:1rem;cursor:pointer;border:1px solid transparent;transition:.18s}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-ink);text-decoration:none;transform:translateY(-1px)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{background:var(--surface-2);text-decoration:none}
.hero-stats{display:flex;gap:2.4rem;margin-top:2.6rem;flex-wrap:wrap}
.hero-stats .stat b{display:block;font-size:1.9rem;font-weight:800;color:var(--brand-ink);font-family:var(--mono)}
.hero-stats .stat span{color:var(--muted);font-size:.9rem;font-weight:600}

/* ---------- Sections ---------- */
.section{padding:60px 0}
.section.alt{background:var(--surface)}
.section-head{max-width:62ch;margin:0 0 2.2rem}
.section-head p{color:var(--ink-soft);font-size:1.08rem;margin:.3rem 0 0}

/* ---------- Cards ---------- */
.grid{display:grid;gap:22px}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
.grid.cols-2{grid-template-columns:repeat(2,1fr)}
@media(max-width:900px){.grid.cols-3{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.grid.cols-3,.grid.cols-2{grid-template-columns:1fr}}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--shadow-sm);transition:transform .2s,box-shadow .2s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.card a{text-decoration:none;color:inherit}
.card .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--surface-2)}
.card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.card:hover .thumb img{transform:scale(1.05)}
.card .body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:.55rem;flex:1}
.card .cat{font-size:.72rem;text-transform:uppercase;letter-spacing:.1em;font-weight:700;color:var(--brand)}
.card h3{margin:0;font-size:1.12rem;font-weight:700;line-height:1.32}
.card p{margin:0;color:var(--ink-soft);font-size:.95rem}
.card .more{margin-top:auto;color:var(--brand);font-weight:700;font-size:.9rem}

/* category pills */
.cat-pills{display:flex;flex-wrap:wrap;gap:.55rem;margin:0 0 2rem}
.pill{display:inline-flex;align-items:center;gap:.4rem;padding:.5rem .95rem;border-radius:999px;background:#fff;border:1px solid var(--line);font-weight:600;font-size:.9rem;color:var(--ink-soft)}
.pill:hover{border-color:var(--brand-2);color:var(--brand);text-decoration:none}
.pill b{font-family:var(--mono);color:var(--muted);font-weight:600}

/* feature row */
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
@media(max-width:780px){.features{grid-template-columns:1fr}}
.feature{padding:26px;background:#fff;border:1px solid var(--line);border-radius:var(--radius)}
.feature .ic{width:46px;height:46px;border-radius:12px;background:var(--surface-2);display:grid;place-items:center;font-size:1.4rem;margin-bottom:.9rem}
.feature h3{margin:.2rem 0 .4rem;font-size:1.15rem}
.feature p{margin:0;color:var(--ink-soft);font-size:.96rem}

/* ---------- Article ---------- */
.article-hero{padding:48px 0 12px;background:linear-gradient(180deg,var(--surface),#fff)}
.crumb{font-size:.85rem;color:var(--muted);margin-bottom:1rem}
.crumb a{color:var(--muted)}
.article-hero h1{font-size:clamp(1.9rem,3.6vw,2.7rem);max-width:22ch;margin:.3rem 0 .7rem}
.article-meta{display:flex;align-items:center;gap:1rem;color:var(--muted);font-size:.9rem;font-weight:500}
.article-meta .tag{background:var(--surface-2);padding:.3rem .7rem;border-radius:999px;color:var(--ink-soft);font-weight:600;font-size:.82rem}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;padding:40px 0 70px}
@media(max-width:940px){.article-layout{grid-template-columns:1fr}}
.article-body{font-size:1.08rem;color:var(--ink-soft)}
.article-body .lead-img{width:100%;border-radius:var(--radius-lg);margin:0 0 2rem;box-shadow:var(--shadow);aspect-ratio:16/9;object-fit:cover}
.article-body p{margin:0 0 1.3rem}
.article-body h2{font-size:1.5rem;margin:2.2rem 0 .8rem;color:var(--ink)}
.article-body h3{font-size:1.2rem;margin:1.8rem 0 .6rem;color:var(--ink)}
.article-body a{font-weight:600;text-decoration:underline;text-decoration-color:rgba(59,91,219,.35);text-underline-offset:2px}
.article-body code{background:var(--surface-2);padding:.12em .45em;border-radius:6px;font-family:var(--mono);font-size:.88em;color:var(--brand-ink)}
.article-body ul,.article-body ol{margin:0 0 1.3rem;padding-left:1.3rem}
.article-body li{margin:.4rem 0}
.aside{position:sticky;top:90px;align-self:start;display:flex;flex-direction:column;gap:22px}
.aside .box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.aside .box h4{margin:0 0 .9rem;font-size:1rem}
.aside .box ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.7rem}
.aside .box li a{color:var(--ink-soft);font-weight:600;font-size:.93rem;line-height:1.35}
.aside .box li a:hover{color:var(--brand)}
.related{border-top:1px solid var(--line);padding-top:36px;margin-top:10px}

/* newsletter / forms */
.newsletter{background:linear-gradient(135deg,var(--brand-ink),var(--brand));color:#fff;border-radius:var(--radius-lg);padding:42px;box-shadow:var(--shadow)}
.newsletter h3{color:#fff;font-size:1.6rem;margin:0 0 .4rem}
.newsletter p{color:rgba(255,255,255,.85);margin:0 0 1.4rem}
.nl-form{display:flex;gap:.6rem;flex-wrap:wrap;max-width:480px}
.nl-form input{flex:1;min-width:200px;padding:.85rem 1rem;border-radius:10px;border:0;font-size:1rem;font-family:inherit}
.nl-form button{padding:.85rem 1.4rem;border-radius:10px;border:0;background:#fff;color:var(--brand-ink);font-weight:700;cursor:pointer;font-size:1rem}
.nl-form button:hover{background:var(--surface-2)}
.aside .newsletter{padding:24px}
.aside .newsletter h3{font-size:1.2rem}
.aside .nl-form{flex-direction:column}
.aside .nl-form input,.aside .nl-form button{width:100%}
.form-note{font-size:.8rem;margin-top:.7rem!important}
.form-msg{margin-top:.8rem;font-weight:600;font-size:.92rem;display:none}
.form-msg.ok{display:block;color:#bbf7d0}
.form-msg.err{display:block;color:#fecaca}

/* contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
@media(max-width:820px){.contact-grid{grid-template-columns:1fr}}
.field{margin-bottom:1.1rem}
.field label{display:block;font-weight:600;font-size:.9rem;margin-bottom:.4rem;color:var(--ink)}
.field input,.field textarea{width:100%;padding:.8rem 1rem;border:1px solid var(--line);border-radius:10px;font-size:1rem;font-family:inherit;background:#fff;color:var(--ink)}
.field input:focus,.field textarea:focus{outline:2px solid var(--brand-2);border-color:transparent}
.field textarea{min-height:150px;resize:vertical}
.contact-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.contact-card .row{display:flex;gap:.8rem;align-items:flex-start;margin-bottom:1.3rem}
.contact-card .row .ic{font-size:1.3rem;width:42px;height:42px;border-radius:10px;background:#fff;border:1px solid var(--line);display:grid;place-items:center;flex:none}
.contact-card .row b{display:block;color:var(--ink)}
.contact-card .row span{color:var(--ink-soft);font-size:.94rem}

/* prose pages */
.prose{max-width:760px;margin:0 auto;padding:50px 0 70px}
.prose h1{font-size:clamp(1.9rem,3.5vw,2.6rem);margin:0 0 .6rem}
.prose .updated{color:var(--muted);font-size:.9rem;margin-bottom:2rem}
.prose h2{font-size:1.4rem;margin:2rem 0 .7rem}
.prose p,.prose li{color:var(--ink-soft)}
.prose ul{padding-left:1.3rem}

/* 404 */
.nf{text-align:center;padding:90px 0}
.nf .code{font-family:var(--mono);font-size:6rem;font-weight:800;color:var(--brand);line-height:1;letter-spacing:-.04em}
.nf h1{margin:.5rem 0}
.nf p{color:var(--ink-soft);max-width:48ch;margin:0 auto 1.6rem}

/* ---------- Footer ---------- */
.footer{background:var(--code-bg);color:#aebbd4;padding:56px 0 28px;margin-top:20px}
.footer a{color:#cdd8ee}
.footer a:hover{color:#fff}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:36px;padding-bottom:38px;border-bottom:1px solid rgba(255,255,255,.1)}
@media(max-width:820px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.footer-grid{grid-template-columns:1fr}}
.footer .brand{color:#fff;margin-bottom:.7rem}
.footer-col h5{color:#fff;font-size:.8rem;text-transform:uppercase;letter-spacing:.1em;margin:0 0 1rem}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.6rem}
.footer-col p{color:#8b9bbb;font-size:.92rem;margin:.4rem 0 0}
.footer .nl-form input{padding:.7rem .9rem}
.footer .nl-form button{padding:.7rem 1rem}
.foot-bottom{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;padding-top:22px;color:#7a89a8;font-size:.86rem}