:root{
  --bg:#f6f7fb;
  --bg-alt:#eef2f8;
  --card:#ffffff;
  --ink:#0f172a;
  --muted:#475569;
  --line:#d9e2ee;
  --brand:#0b5fff;
  --brand-soft:#dbe9ff;
  --dark:#0b1020;
  --success:#0f766e;
  --warn:#9a3412;
  --danger:#991b1b;
  --shadow:0 10px 30px rgba(15,23,42,.08);
  --radius:18px;
  --radius-sm:12px;
  --max:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter, ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.65;
}
a{color:var(--brand); text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%; height:auto}
.skip-link{
  position:absolute;
  left:-9999px;
  top:auto;
}
.skip-link:focus{
  left:1rem;
  top:1rem;
  z-index:999;
  background:#fff;
  padding:.7rem 1rem;
  border-radius:999px;
  box-shadow:var(--shadow);
}
.container{
  width:min(calc(100% - 2rem), var(--max));
  margin-inline:auto;
}
.narrow{width:min(calc(100% - 2rem), 760px)}
.site-header{
  position:sticky;
  top:0;
  z-index:20;
  backdrop-filter:saturate(180%) blur(16px);
  background:rgba(246,247,251,.88);
  border-bottom:1px solid rgba(217,226,238,.8);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:1rem;
  padding:1rem 0;
}
.brand{
  display:flex;
  align-items:center;
  gap:.85rem;
  color:var(--ink);
  min-width:0;
}
.brand:hover{text-decoration:none}
.brand strong{
  display:block;
  font-size:1.05rem;
}
.brand small{
  display:block;
  color:var(--muted);
}
.brand-mark{
  display:grid;
  place-items:center;
  width:3rem;
  height:3rem;
  border-radius:1rem;
  background:linear-gradient(135deg, #0b5fff, #5ea2ff);
  box-shadow:var(--shadow);
}
.brand svg{
  width:2rem;
  height:2rem;
  fill:none;
  stroke:#fff;
  stroke-width:4;
  stroke-linecap:round;
  stroke-linejoin:round;
}
.main-nav{
  display:flex;
  flex-wrap:wrap;
  gap:.4rem;
  justify-content:flex-end;
}
.main-nav a{
  padding:.55rem .85rem;
  border-radius:999px;
  color:var(--ink);
}
.main-nav a.active,
.main-nav a:hover{
  text-decoration:none;
  background:#fff;
  box-shadow:0 0 0 1px var(--line) inset;
}
.hero{
  padding:4.5rem 0 2.5rem;
  background:
    radial-gradient(circle at top right, rgba(11,95,255,.12), transparent 28%),
    linear-gradient(180deg, #ffffff, #f6f7fb 50%);
}
.hero-grid{
  display:grid;
  grid-template-columns:1.2fr .8fr;
  gap:2rem;
  align-items:center;
}
.hero h1,
.page-hero h1{
  font-size:clamp(2.2rem, 4vw, 4.2rem);
  line-height:1.04;
  margin:.3rem 0 1rem;
  letter-spacing:-.03em;
}
.page-hero{
  padding:3.2rem 0 1rem;
}
.lead{
  font-size:1.15rem;
  color:var(--muted);
  max-width:62ch;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:.5rem;
  margin:0 0 .7rem;
  color:var(--brand);
  font-weight:700;
  text-transform:uppercase;
  letter-spacing:.08em;
  font-size:.78rem;
}
.cta-row{
  display:flex;
  flex-wrap:wrap;
  gap:.85rem;
  margin:1.5rem 0 1.2rem;
}
.button{
  display:inline-block;
  padding:.9rem 1.2rem;
  border-radius:999px;
  background:var(--brand);
  color:#fff;
  font-weight:700;
  box-shadow:var(--shadow);
}
.button:hover{text-decoration:none; filter:brightness(1.03)}
.button-secondary{
  background:#fff;
  color:var(--ink);
  box-shadow:0 0 0 1px var(--line) inset, var(--shadow);
}
.text-link{font-weight:700}
.check-row{
  display:flex;
  flex-wrap:wrap;
  gap:1rem 1.5rem;
  padding:0;
  margin:1.3rem 0 0;
  list-style:none;
  color:var(--muted);
}
.check-row li::before{
  content:"✓ ";
  color:var(--success);
  font-weight:700;
}
.hero-panel,
.info-box,
.card,
.spotlight-card,
.notice,
.status-card,
.step-card,
.template-box{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
}
.hero-panel{
  padding:1.3rem 1.3rem 1.2rem;
}
.hero-panel h2{
  margin-top:0;
}
.priority-list{
  margin:0;
  padding-left:1.3rem;
}
.priority-list li{
  margin:.75rem 0;
}
.section{
  padding:1.3rem 0 3.5rem;
}
.section-alt{
  background:var(--bg-alt);
  border-top:1px solid #e2e8f0;
  border-bottom:1px solid #e2e8f0;
}
.section-dark{
  background:var(--dark);
  color:#eef4ff;
}
.section-dark .eyebrow{color:#93c5fd}
.section-dark .spotlight-card{
  background:rgba(255,255,255,.05);
  border-color:rgba(255,255,255,.1);
  box-shadow:none;
}
.section-head{
  display:flex;
  justify-content:space-between;
  align-items:end;
  gap:2rem;
  margin-bottom:1.2rem;
}
.section-head h2{
  margin:.2rem 0 0;
  font-size:clamp(1.65rem, 3vw, 2.6rem);
  line-height:1.1;
}
.section-head > p{
  max-width:38ch;
  color:var(--muted);
}
.grid{
  display:grid;
  gap:1rem;
}
.grid-3{grid-template-columns:repeat(3, 1fr)}
.grid-2{grid-template-columns:repeat(2, 1fr)}
.card{
  padding:1.25rem;
}
.card h3{
  margin:.15rem 0 .65rem;
  font-size:1.25rem;
  line-height:1.2;
}
.card p{
  margin:.35rem 0;
  color:var(--muted);
}
.split{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:1rem;
  align-items:start;
}
.info-box{
  padding:1.25rem;
}
.plain-list{
  margin:0;
  padding-left:1.2rem;
}
.plain-list li{
  margin:.5rem 0;
}
.ticks{
  list-style:none;
  padding-left:0;
}
.ticks li{
  position:relative;
  padding-left:1.6rem;
}
.ticks li::before{
  content:"✓";
  position:absolute;
  left:0;
  top:0;
  color:var(--success);
  font-weight:700;
}
.spotlight-card{
  padding:1.1rem 1.15rem;
}
.spotlight-card h3{
  margin:.1rem 0 .5rem;
}
.stack{
  display:grid;
  gap:1rem;
}
.step-card{
  display:flex;
  gap:1rem;
  padding:1.15rem 1.2rem;
}
.step-number{
  width:2.5rem;
  height:2.5rem;
  flex:0 0 2.5rem;
  border-radius:999px;
  display:grid;
  place-items:center;
  background:var(--brand-soft);
  color:var(--brand);
  font-weight:800;
}
.article-block{
  margin:0 0 2.2rem;
}
.article-block h2{
  margin:0 0 .7rem;
  font-size:1.7rem;
  line-height:1.16;
}
.article-block p{
  margin:.7rem 0;
}
.checklist{
  display:grid;
  gap:.8rem;
}
.checklist label{
  display:flex;
  gap:.8rem;
  align-items:flex-start;
  padding:1rem 1rem;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  box-shadow:var(--shadow);
}
.checklist input{
  margin-top:.25rem;
  width:1.1rem;
  height:1.1rem;
}
.mt-large{margin-top:2rem}
.template-box{
  padding:1rem 1.15rem;
  background:#fbfcff;
}
.notice{
  padding:1rem 1.15rem;
  margin-bottom:1.3rem;
}
.notice h2{
  margin:0 0 .4rem;
  font-size:1.35rem;
}
.notice p{margin:0}
.notice.danger{
  border-left:8px solid #ef4444;
}
.status-list{
  display:grid;
  gap:1rem;
}
.status-card{
  padding:1rem 1.1rem;
}
.status-card h3{
  margin:.1rem 0 .55rem;
}
.status-card.high{border-left:8px solid #ef4444}
.status-card.medium{border-left:8px solid #f59e0b}
.source-list{
  padding-left:1.2rem;
}
.source-list li{
  margin:.45rem 0;
  overflow-wrap:anywhere;
}
.site-footer{
  background:#fff;
  border-top:1px solid var(--line);
  padding-top:2.2rem;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.1fr .8fr .8fr;
  gap:1rem;
}
.footer-grid h2{
  margin:0 0 .8rem;
  font-size:1rem;
}
.footer-grid p,
.footer-grid li,
.footer-grid a{
  color:var(--muted);
}
.footer-nav{
  display:grid;
  gap:.35rem;
}
.footer-bottom{
  padding:1rem 0 2rem;
  color:var(--muted);
  font-size:.95rem;
}
@media (max-width: 960px){
  .hero-grid,
  .split,
  .grid-3,
  .grid-2,
  .footer-grid,
  .section-head{
    grid-template-columns:1fr;
  }
  .section-head{
    align-items:start;
  }
}
@media (max-width: 760px){
  .header-inner{
    flex-direction:column;
    align-items:flex-start;
  }
  .main-nav{
    justify-content:flex-start;
  }
  .hero{
    padding-top:3.2rem;
  }
  .step-card{
    flex-direction:column;
  }
  .step-number{
    width:2.2rem;
    height:2.2rem;
    flex-basis:2.2rem;
  }
}