:root{
  --bg:#ffffff;
  --ink:#0b1320;
  --muted:#475569;
  --soft:#f1f6ff;
  --card:#ffffff;
  --ring:#d6e2f3;

  /* Primary palette (blue) */
  --p1:#0a66c2;          /* deep blue */
  --p2:#2b8be6;          /* bright blue */
  --p3:#7cc4ff;          /* light sky */
  --accent:#0ea5e9;      /* accent cyan */
  --ok:#16a34a;
  --warn:#f59e0b;
  --danger:#ef4444;

  --shadow:0 14px 40px rgba(2, 22, 44, .10);
  --shadow2:0 8px 24px rgba(2, 22, 44, .10);

  --radius:18px;
  --radius2:14px;
  --max:1200px;

  --stripe-a: rgba(124,196,255,.30);
  --stripe-b: rgba(43,139,230,.10);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  line-height:1.6;
}
a{color:var(--p1);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;display:block}
.container{max-width:var(--max);margin:0 auto;padding:16px}

/* Top bar */
.topbar{
  background:linear-gradient(120deg, var(--p1) 0%, var(--p2) 60%, var(--p3) 140%);
  color:#fff;
  border-bottom:1px solid rgba(255,255,255,.18);
}
.topbar-inner{
  display:flex;gap:12px;align-items:center;justify-content:space-between;
  padding:10px 16px;
}
.topbar a{color:#fff;text-decoration:underline;text-decoration-color:rgba(255,255,255,.35)}
.topbar a:hover{text-decoration-color:#fff}

/* Header + nav */
.header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.86);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid var(--ring);
}
.nav{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:10px 16px; max-width:var(--max); margin:0 auto;
}
.brand{
  display:flex;align-items:center;gap:12px;min-width:240px;
}
.brand img{
  width:44px;height:44px;border-radius:12px;
  box-shadow:0 6px 18px rgba(2,22,44,.18);
  border:1px solid rgba(255,255,255,.75);
}
.brand .title{line-height:1.15}
.brand .title strong{display:block;font-size:15px;letter-spacing:.2px}
.brand .title span{display:block;font-size:12px;color:var(--muted)}
.menu{
  display:flex;gap:14px;flex-wrap:wrap;justify-content:flex-end;
}
.menu a{
  padding:10px 10px;border-radius:12px;color:var(--ink);
  border:1px solid transparent;
}
.menu a:hover{
  background:linear-gradient(135deg, rgba(43,139,230,.10), rgba(124,196,255,.20));
  border-color:rgba(43,139,230,.18);
  text-decoration:none;
}
.menu a.active{
  background:linear-gradient(135deg, rgba(10,102,194,.14), rgba(124,196,255,.22));
  border-color:rgba(10,102,194,.22);
}

.hamburger{display:none}
@media (max-width: 900px){
  .menu{display:none}
  .hamburger{
    display:inline-flex;align-items:center;justify-content:center;
    border:1px solid var(--ring);background:#fff;border-radius:14px;
    padding:10px 12px;box-shadow:var(--shadow2);cursor:pointer;
  }
  .mobile{
    display:none;border-top:1px solid var(--ring);
    padding:10px 16px;background:#fff;
  }
  .mobile a{display:block;padding:10px 12px;border-radius:12px;color:var(--ink)}
  .mobile a:hover{background:rgba(43,139,230,.10);text-decoration:none}
  .mobile.show{display:block}
}

/* Hero */
.hero{
  position:relative;
  overflow:hidden;
  border-bottom:1px solid var(--ring);
  background:
    radial-gradient(900px 300px at 18% 15%, rgba(124,196,255,.35), transparent 60%),
    radial-gradient(900px 300px at 70% 10%, rgba(43,139,230,.22), transparent 60%),
    linear-gradient(180deg, #ffffff 0%, var(--soft) 100%);
}
.hero::after{
  content:"";
  position:absolute; inset:-40px -60px auto -60px; height:260px;
  background-image:repeating-linear-gradient(135deg, var(--stripe-a) 0, var(--stripe-a) 20px, transparent 20px, transparent 44px);
  transform:rotate(-2deg);
  opacity:.85;
}
.hero-inner{
  position:relative; max-width:var(--max); margin:0 auto; padding:42px 16px 34px 16px;
  display:grid; gap:18px; grid-template-columns:1.2fr .8fr; align-items:center;
}
@media (max-width: 900px){
  .hero-inner{grid-template-columns:1fr}
}
.kicker{
  display:inline-flex; gap:8px; align-items:center;
  background:rgba(10,102,194,.10);
  border:1px solid rgba(10,102,194,.18);
  color:var(--p1);
  padding:8px 12px;border-radius:999px;
  font-weight:700;font-size:12px;letter-spacing:.2px;
  width:fit-content;
}
.hero h1{margin:8px 0 0 0;font-size:36px;line-height:1.12}
.hero p{margin:10px 0 0 0;color:var(--muted);font-size:16px;max-width:62ch}
.cta{
  margin-top:18px; display:flex; gap:12px; flex-wrap:wrap; align-items:center;
}
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  padding:12px 16px;border-radius:14px;
  border:1px solid rgba(10,102,194,.25);
  background:linear-gradient(120deg, rgba(10,102,194,.95), rgba(43,139,230,.92));
  color:#fff; font-weight:800; box-shadow:var(--shadow);
  text-decoration:none;
}
.btn:hover{text-decoration:none;filter:brightness(1.02)}
.btn.secondary{
  background:#fff;color:var(--ink);
  border-color:rgba(2,22,44,.12);
  box-shadow:var(--shadow2);
}
.btn.secondary:hover{background:rgba(43,139,230,.06)}
.hero-card{
  background:rgba(255,255,255,.92);
  border:1px solid rgba(2,22,44,.10);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:18px;
}
.hero-card h3{margin:0 0 10px 0;font-size:16px}
.pills{display:flex;gap:8px;flex-wrap:wrap}
.pill{
  font-size:12px;font-weight:700;color:var(--p1);
  padding:8px 10px;border-radius:999px;
  border:1px solid rgba(10,102,194,.18);
  background:rgba(10,102,194,.08);
}

/* Sections */
.section{padding:26px 0}
.section h2{margin:0 0 10px 0;font-size:26px}
.section p.lead{margin:0 0 18px 0;color:var(--muted);max-width:80ch}

.grid{
  display:grid;gap:16px;
  grid-template-columns:repeat(3, 1fr);
}
@media (max-width: 900px){
  .grid{grid-template-columns:1fr}
}
.card{
  background:var(--card);
  border:1px solid var(--ring);
  border-radius:var(--radius);
  box-shadow:var(--shadow2);
  overflow:hidden;
}
.card .head{
  padding:14px 16px;
  background:linear-gradient(90deg, rgba(241,246,255,.95), #fff);
  border-bottom:1px solid var(--ring);
  display:flex; align-items:flex-start; gap:10px;
}
.icon{
  width:36px;height:36px;border-radius:14px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(43,139,230,.12);
  border:1px solid rgba(43,139,230,.18);
  color:var(--p1); font-weight:900;
}
.card h3{margin:0;font-size:16px}
.card .body{padding:14px 16px;color:var(--muted)}
.card ul{margin:10px 0 0 18px}
.card li{margin:6px 0}

.band{
  background:linear-gradient(180deg, #ffffff 0%, var(--soft) 100%);
  border-top:1px solid var(--ring);
  border-bottom:1px solid var(--ring);
}
.split{
  display:grid; grid-template-columns:1fr 1fr; gap:18px; align-items:start;
}
@media (max-width: 900px){
  .split{grid-template-columns:1fr}
}
.note{
  border:1px dashed rgba(10,102,194,.35);
  background:rgba(124,196,255,.12);
  color:var(--ink);
  padding:14px 16px;border-radius:var(--radius2);
}
.kpi{
  display:grid; grid-template-columns:repeat(3, 1fr); gap:12px;
}
@media (max-width: 900px){
  .kpi{grid-template-columns:1fr}
}
.kpi .tile{
  background:#fff;border:1px solid var(--ring);
  border-radius:var(--radius2); padding:14px 14px;
  box-shadow:var(--shadow2);
}
.tile strong{display:block;font-size:20px}
.tile span{display:block;color:var(--muted);font-size:13px;margin-top:4px}

/* Forms */
form{margin:0}
.form{
  background:#fff;border:1px solid var(--ring);
  border-radius:var(--radius); box-shadow:var(--shadow2);
  overflow:hidden;
}
.form .form-head{
  padding:16px;
  background:linear-gradient(90deg, rgba(241,246,255,.95), #fff);
  border-bottom:1px solid var(--ring);
}
.form .form-body{padding:16px}
.form-grid{
  display:grid;gap:14px;grid-template-columns:1fr 1fr;
}
@media (max-width: 900px){
  .form-grid{grid-template-columns:1fr}
}
.field{display:flex;flex-direction:column;gap:6px}
label{font-weight:700}
.req{color:var(--danger);margin-left:4px}
input, select, textarea{
  border:1px solid var(--ring);
  border-radius:14px;
  padding:12px 12px;
  font-size:15px;
  background:#fff;
}
textarea{min-height:110px;resize:vertical}
input:focus, select:focus, textarea:focus{
  outline:none;
  border-color:rgba(10,102,194,.55);
  box-shadow:0 0 0 4px rgba(43,139,230,.16);
}
.form-actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin-top:12px}
.small{font-size:13px;color:var(--muted)}
.alert{
  margin-top:12px; padding:12px 14px; border-radius:14px;
  border:1px solid rgba(2,22,44,.10); background:rgba(124,196,255,.14);
}
.alert.ok{background:rgba(22,163,74,.10);border-color:rgba(22,163,74,.20)}
.alert.bad{background:rgba(239,68,68,.08);border-color:rgba(239,68,68,.22)}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 10px;border-radius:999px;
  background:rgba(10,102,194,.10);
  border:1px solid rgba(10,102,194,.18);
  color:var(--p1);font-weight:800;font-size:12px;
}

/* Footer */
.footer{
  margin-top:30px;
  background:#f8fafc;
  border-top:1px solid var(--ring);
}
.footer-inner{
  max-width:var(--max);margin:0 auto;padding:22px 16px;
  display:grid;gap:12px;
}
.footer .row{display:flex;gap:14px;flex-wrap:wrap;align-items:center;justify-content:space-between}
.footer .links{display:flex;gap:14px;flex-wrap:wrap}
.footer .links a{color:var(--muted)}
.footer small{color:var(--muted)}
#backToTop{
  position:fixed; right:1rem; bottom:1rem; z-index:60;
  display:none; padding:.65rem .85rem;
  border-radius:14px; background:#fff; border:1px solid rgba(2,22,44,.10);
  box-shadow:var(--shadow2); cursor:pointer;
}
#backToTop.show{display:inline-flex}