:root{
  --bg: #f7fafc;
  --surface: #ffffff;
  --surface-soft: #f2f7fb;
  --ink: #0e1726;
  --muted: #5f6b7c;
  --line: rgba(14,23,38,.10);
  --line-strong: rgba(14,23,38,.18);
  --brand: #011f5b;
  --brand-2: #00cfe8;
  --brand-3: #00d48f;
  --accent: #e8f7ff;
  --shadow: 0 24px 80px rgba(4, 14, 28, .08);
  --radius: 22px;
  --radius-sm: 16px;
  --container: 1160px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color:var(--ink);
  background:
    radial-gradient(circle at top left, rgba(0,207,232,.10), transparent 28%),
    radial-gradient(circle at 90% 14%, rgba(0,212,143,.10), transparent 24%),
    var(--bg);
}

a{color:inherit}
img{max-width:100%;display:block}
button{font:inherit}

.sr-only,
.skip-link:not(:focus){
  position:absolute;
  width:1px;
  height:1px;
  padding:0;
  margin:-1px;
  overflow:hidden;
  clip:rect(0,0,0,0);
  white-space:nowrap;
  border:0;
}

.skip-link:focus{
  position:fixed;
  top:12px;
  left:12px;
  z-index:1000;
  background:#fff;
  color:var(--ink);
  padding:10px 14px;
  border-radius:12px;
  box-shadow:var(--shadow);
}

.container{
  width:min(var(--container), calc(100% - 32px));
  margin:0 auto;
}

.site-header{
  position:sticky;
  top:0;
  z-index:100;
  backdrop-filter: blur(16px);
  background: rgba(247,250,252,.82);
  border-bottom:1px solid rgba(14,23,38,.06);
}

.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:16px 0;
}

.brand{
  display:flex;
  align-items:center;
  gap:12px;
  text-decoration:none;
}

.brand-mark{
  width:42px;
  height:42px;
  border-radius:14px;
  display:grid;
  place-items:center;
  font-weight:900;
  color:#fff;
  background:linear-gradient(135deg, var(--brand), #133885 55%, var(--brand-2));
  box-shadow:0 14px 34px rgba(1,31,91,.22);
}

.brand-copy{display:flex;flex-direction:column;line-height:1.1}
.brand-title{font-family:Manrope,Inter,sans-serif;font-weight:800;font-size:15px}
.brand-sub{font-size:12.5px;color:var(--muted);font-weight:700}

.site-nav{
  display:flex;
  align-items:center;
  gap:10px;
}

.site-nav a{
  text-decoration:none;
  font-size:13.5px;
  font-weight:800;
  color:rgba(14,23,38,.84);
  padding:10px 12px;
  border-radius:999px;
  transition:.18s ease;
}
.site-nav a:hover{
  background:rgba(1,31,91,.06);
  color:var(--brand);
}
.nav-cta{
  background:linear-gradient(90deg, rgba(0,207,232,.10), rgba(0,212,143,.10));
  border:1px solid rgba(0,207,232,.18);
}

.nav-toggle{
  display:none;
  border:0;
  background:transparent;
  padding:0;
  width:44px;
  height:44px;
  border-radius:12px;
}
.nav-toggle span{
  display:block;
  width:22px;
  height:2px;
  margin:4px auto;
  background:var(--ink);
  border-radius:10px;
}

.section{padding:84px 0}
.section-alt{background:linear-gradient(180deg, rgba(255,255,255,.88), rgba(255,255,255,.62))}

.hero{
  padding-top:56px;
}
.hero-grid{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:24px;
  align-items:stretch;
}
.hero-copy,
.hero-panel,
.compare-card,
.benefit-card,
.change-card,
.step-card,
.audience-card,
.hero-card,
.asset-card,
.mini-card,
.node-shell,
.faq-item,
.cta-grid{
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.hero-copy{
  background:linear-gradient(180deg, rgba(255,255,255,.96), rgba(255,255,255,.88));
  border-radius:30px;
  padding:34px;
}
.hero-panel{
  background:linear-gradient(180deg, rgba(255,255,255,.96), rgba(244,248,252,.90));
  border-radius:30px;
  padding:18px;
  display:grid;
  gap:14px;
}
.eyebrow,
.section-label,
.card-kicker{
  margin:0 0 14px;
  text-transform:uppercase;
  letter-spacing:.11em;
  font-size:12px;
  font-weight:900;
  color:var(--brand);
}
.hero h1,
.section-head h2,
.split-copy h2,
.cta-grid h2{
  margin:0;
  font-family:Manrope,Inter,sans-serif;
  font-size:clamp(36px, 5vw, 62px);
  line-height:1.02;
  letter-spacing:-.04em;
}
.hero .lead{
  font-size:19px;
  line-height:1.6;
  color:rgba(14,23,38,.86);
  margin:18px 0 0;
}
.hero-support{
  margin:16px 0 0;
  color:var(--muted);
  line-height:1.7;
  font-size:15.5px;
}
.hero-actions,
.cta-actions{
  margin-top:28px;
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}
.hero-note{
  margin-top:20px;
  display:grid;
  gap:8px;
  color:var(--muted);
  font-size:13.5px;
  font-weight:700;
}
.hero-card{
  border-radius:20px;
  background:#fff;
  padding:18px;
}
.hero-card h2{margin:0 0 8px;font-size:22px;font-family:Manrope,Inter,sans-serif}
.hero-card p{margin:0;color:var(--muted);line-height:1.6}
.hero-card-accent{background:linear-gradient(135deg, rgba(0,207,232,.12), rgba(255,255,255,.96))}
.hero-card-dark{
  background:linear-gradient(160deg, var(--brand), #123b8f 65%);
  color:#fff;
}
.hero-card-dark .card-kicker,
.hero-card-dark p{color:rgba(255,255,255,.82)}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  text-decoration:none;
  border-radius:999px;
  padding:14px 18px;
  font-weight:900;
  font-size:14px;
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.btn:hover{transform:translateY(-1px)}
.btn-primary{
  color:#06131d;
  background:linear-gradient(90deg, var(--brand-2), var(--brand-3));
  box-shadow:0 18px 42px rgba(0,207,232,.18);
}
.btn-secondary{
  color:var(--ink);
  background:#fff;
  border:1px solid var(--line-strong);
}
.btn-light{
  background:#fff;
  color:var(--brand);
}
.btn-outline-light{
  border:1px solid rgba(255,255,255,.34);
  color:#fff;
  background:transparent;
}

.section-head{
  max-width:840px;
  margin-bottom:28px;
}
.section-head.compact{max-width:760px}
.section-head h2,
.split-copy h2,
.cta-grid h2{
  font-size:clamp(30px, 4vw, 46px);
}
.section-head p,
.split-copy p,
.flow-copy,
.cta-grid p{
  margin:14px 0 0;
  color:var(--muted);
  line-height:1.75;
  font-size:16px;
}

.compare-grid,
.benefit-grid,
.steps-grid,
.audience-grid,
.asset-grid,
.arns-cards{
  display:grid;
  gap:16px;
}
.compare-grid{grid-template-columns:repeat(3, minmax(0,1fr))}
.benefit-grid{grid-template-columns:repeat(4, minmax(0,1fr))}
.steps-grid{grid-template-columns:repeat(4, minmax(0,1fr))}
.audience-grid{grid-template-columns:repeat(4, minmax(0,1fr))}
.asset-grid{grid-template-columns:repeat(5, minmax(0,1fr))}
.arns-cards{grid-template-columns:repeat(3, minmax(0,1fr))}

.compare-card,
.benefit-card,
.step-card,
.audience-card,
.asset-card,
.mini-card{
  background:#fff;
  border-radius:22px;
  padding:22px;
}
.compare-card-featured{
  background:linear-gradient(180deg, rgba(1,31,91,.96), #0e2f7f);
  color:#fff;
}
.compare-card-featured p,
.compare-card-featured .compare-tag{color:rgba(255,255,255,.82)}
.compare-tag{
  display:inline-flex;
  padding:7px 10px;
  border-radius:999px;
  background:var(--surface-soft);
  color:var(--brand);
  font-size:11.5px;
  font-weight:900;
  text-transform:uppercase;
  letter-spacing:.08em;
}
.compare-card h3,
.benefit-card h3,
.step-card h3,
.audience-card h3,
.mini-card h3,
.change-card h3,
.node-panel h3{
  margin:16px 0 8px;
  font-size:20px;
  font-family:Manrope,Inter,sans-serif;
  letter-spacing:-.03em;
}
.compare-card p,
.benefit-card p,
.step-card p,
.audience-card p,
.mini-card p,
.node-panel p,
.change-card li{color:var(--muted);line-height:1.65}

.asset-card{
  display:flex;
  align-items:center;
  justify-content:center;
  min-height:110px;
  font-weight:900;
  text-align:center;
  background:linear-gradient(180deg, #fff, #f5fafc);
}

.split-layout{
  display:grid;
  grid-template-columns:.9fr 1.1fr;
  gap:24px;
  align-items:start;
}
.change-grid{
  display:grid;
  grid-template-columns:repeat(2, minmax(0,1fr));
  gap:16px;
}
.change-card{
  background:#fff;
  border-radius:24px;
  padding:24px;
}
.change-card ul{
  margin:16px 0 0;
  padding-left:18px;
  display:grid;
  gap:10px;
}
.change-card-safe{background:linear-gradient(180deg, rgba(0,212,143,.08), #fff)}

.step-number{
  display:inline-flex;
  width:40px;
  height:40px;
  border-radius:14px;
  align-items:center;
  justify-content:center;
  background:var(--accent);
  color:var(--brand);
  font-weight:900;
}

.node-shell{
  background:linear-gradient(180deg, rgba(255,255,255,.96), rgba(247,250,252,.92));
  border-radius:28px;
  padding:18px;
}
.node-controls{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.node-tab{
  appearance:none;
  border:1px solid var(--line-strong);
  background:#fff;
  color:rgba(14,23,38,.82);
  border-radius:999px;
  padding:11px 14px;
  font-weight:900;
  cursor:pointer;
}
.node-tab.is-active{
  background:linear-gradient(90deg, rgba(0,207,232,.12), rgba(0,212,143,.12));
  color:var(--brand);
  border-color:rgba(0,207,232,.22);
}
.node-panel{
  display:none;
  margin-top:18px;
  padding:24px;
  border-radius:22px;
  background:#fff;
  border:1px solid var(--line);
}
.node-panel.is-active{display:block}

.flow-grid{
  display:grid;
  grid-template-columns:1fr auto 1fr auto 1fr auto 1fr;
  gap:14px;
  align-items:center;
}
.flow-step{
  text-align:center;
  padding:16px;
  border-radius:18px;
  background:#fff;
  border:1px solid var(--line);
  font-weight:900;
  box-shadow:var(--shadow);
}
.flow-arrow{
  font-size:28px;
  font-weight:900;
  color:var(--brand);
  text-align:center;
}
.flow-copy{max-width:840px}

.faq-list{
  display:grid;
  gap:12px;
}
.faq-item{
  background:#fff;
  border-radius:18px;
  padding:0 20px;
}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:18px 0;
  font-weight:900;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item p{
  margin:0 0 18px;
  color:var(--muted);
  line-height:1.7;
}

.cta-section{
  background:linear-gradient(135deg, var(--brand), #0e2d7d 60%, #18439f);
  color:#fff;
}
.cta-grid{
  background:transparent;
  border:1px solid rgba(255,255,255,.12);
  border-radius:28px;
  padding:34px;
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:20px;
  align-items:center;
}
.section-label-light{color:rgba(255,255,255,.82)}
.cta-grid p{color:rgba(255,255,255,.84)}
.cta-mini{font-size:13px;font-weight:800;color:rgba(255,255,255,.70)}

.site-footer{
  padding:26px 0 40px;
  background:#f9fbfd;
  border-top:1px solid rgba(14,23,38,.06);
}
.footer-inner{
  display:grid;
  grid-template-columns:repeat(3, minmax(0,1fr));
  gap:16px;
}
.footer-inner strong{
  display:block;
  margin-bottom:8px;
  font-family:Manrope,Inter,sans-serif;
}
.footer-inner p,
.footer-inner a{
  margin:0;
  color:var(--muted);
  text-decoration:none;
}

@media (max-width: 1080px){
  .hero-grid,
  .split-layout,
  .cta-grid{grid-template-columns:1fr}
  .benefit-grid,
  .steps-grid,
  .audience-grid,
  .asset-grid,
  .compare-grid,
  .arns-cards,
  .change-grid{grid-template-columns:repeat(2, minmax(0,1fr))}
  .flow-grid{grid-template-columns:1fr;}
  .flow-arrow{display:none}
}

@media (max-width: 760px){
  .site-nav{
    position:absolute;
    top:100%;
    left:16px;
    right:16px;
    background:rgba(255,255,255,.98);
    border:1px solid var(--line);
    border-radius:20px;
    box-shadow:var(--shadow);
    padding:12px;
    display:none;
    flex-direction:column;
    align-items:stretch;
  }
  .site-nav.is-open{display:flex}
  .site-nav a{padding:12px 14px}
  .nav-toggle{display:block}
  .benefit-grid,
  .steps-grid,
  .audience-grid,
  .asset-grid,
  .compare-grid,
  .arns-cards,
  .change-grid,
  .footer-inner{grid-template-columns:1fr}
  .section{padding:68px 0}
  .hero-copy,
  .hero-panel,
  .cta-grid{padding:24px}
  .hero h1{font-size:clamp(34px, 12vw, 50px)}
}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *{transition:none!important}
}