:root{
  --ink:#16202b;
  --muted:#5d6874;
  --midnight:#12263f;
  --midnight2:#071526;
  --lime:#a7cf54;
  --lime2:#73982a;
  --copper:#d17a43;
  --copper2:#9b4d21;
  --electric:#46c1c7;
  --electric2:#dff8f6;
  --ivory:#fffaf0;
  --mist:#edf6f5;
  --white:#fff;
  --line:#d5e3e3;
  --green:#2f7953;
  --warn:#fff3d8;
  --alert:#fff0ed;
  --shadow:0 18px 48px rgba(18,38,63,.12);
  --radius:21px;
}
*{box-sizing:border-box}
html{font-size:19px;scroll-behavior:smooth}
body{
  margin:0;
  font-family:Arial,"Helvetica Neue",Helvetica,sans-serif;
  color:var(--ink);
  background:#fbfcfa;
  line-height:1.7;
}
a{color:#176970;text-decoration:underline;text-underline-offset:3px}
a:hover{color:#104950}
a:focus-visible,summary:focus-visible{
  outline:4px solid #e6a461;
  outline-offset:4px;
}
.skip{position:absolute;left:-9999px}
.skip:focus{
  left:16px;top:14px;z-index:1000;
  background:#fff;color:#111;padding:12px 16px;border:2px solid #111
}
img{max-width:100%;height:auto;display:block}
.container{width:min(1180px,92%);margin:auto}
.top{
  background:var(--midnight2);
  color:#f6fbfa;
  text-align:center;
  padding:11px 14px;
  font-size:.9rem;
  font-weight:700
}
header{
  background:rgba(255,255,255,.98);
  border-bottom:2px solid var(--line);
  position:sticky;top:0;z-index:50
}
.nav{
  min-height:82px;
  display:flex;align-items:center;justify-content:space-between;gap:22px
}
.brand{
  font-size:1.44rem;font-weight:900;color:var(--midnight2);
  text-decoration:none;letter-spacing:-.5px
}
.brand span{color:var(--copper2)}
.navlinks{display:flex;gap:17px;flex-wrap:wrap}
.navlinks a{
  color:#283541;font-size:.97rem;font-weight:800;text-decoration:none
}
.navlinks a:hover{text-decoration:underline}
.hero{
  position:relative;
  overflow:hidden;
  padding:76px 0 65px;
  background:
    radial-gradient(circle at 83% 17%,rgba(70,193,199,.22),transparent 27%),
    linear-gradient(120deg,#fff 0 56%,#eaf6f4 56% 100%)
}
.hero:before{
  content:"";
  position:absolute;inset:0;
  background:
    radial-gradient(ellipse at 76% 48%,transparent 0 57px,rgba(167,207,84,.08) 58px 62px,transparent 63px 96px,rgba(209,122,67,.07) 97px 101px,transparent 102px),
    repeating-linear-gradient(90deg,transparent 0 65px,rgba(18,38,63,.022) 65px 66px)
}
.hero-grid{
  display:grid;grid-template-columns:1.08fr .92fr;
  gap:54px;align-items:center;position:relative;z-index:1
}
.kicker{
  display:inline-block;
  background:#e7f6ee;
  border:1px solid #c2e3d2;
  color:#336c48;
  padding:8px 13px;
  border-radius:8px;
  font-size:.84rem;
  font-weight:900;
  letter-spacing:.65px
}
h1{
  color:var(--midnight2);
  font-size:clamp(2.45rem,5vw,4.35rem);
  line-height:1.04;
  letter-spacing:-1.2px;
  margin:18px 0
}
h2{
  color:#263e55;
  font-size:clamp(1.68rem,3vw,2.32rem);
  line-height:1.2;
  margin:0 0 18px
}
h3{font-size:1.24rem;line-height:1.3;color:#2e5c62;margin:0 0 8px}
p{margin:0 0 14px}
.lead{font-size:1.14rem;color:#4f5b65;max-width:790px}
.btnrow{display:flex;gap:14px;flex-wrap:wrap;margin-top:25px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:58px;padding:15px 26px;
  border-radius:10px;border:2px solid var(--midnight);
  font-size:1rem;font-weight:900;text-decoration:none
}
.btn-main{
  background:var(--midnight);color:#fff;
  box-shadow:0 10px 26px rgba(18,38,63,.22)
}
.btn-main:hover{background:var(--midnight2);color:#fff;text-decoration:none}
.btn-alt{background:#fff;color:var(--midnight2)}
.btn-alt:hover{background:#f8fbfb;text-decoration:none}
.micro{font-size:.89rem;color:var(--muted);margin-top:12px}
.product-card{
  background:linear-gradient(180deg,#fff,#f2faf7);
  border:2px solid var(--line);
  border-radius:32px 32px 48% 52% / 32px 32px 20% 20%;
  padding:29px;
  box-shadow:var(--shadow);
  position:relative
}
.product-card:before{
  content:"NAD • CELLULAR ENERGY • HEALTHY AGING";
  position:absolute;left:21px;top:17px;
  color:rgba(18,38,63,.13);
  font-size:.72rem;font-weight:900;letter-spacing:1.1px
}
.product-card img{width:min(540px,100%);margin:auto;object-fit:contain}
.metrics{background:var(--midnight2);color:#fff}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.metric{
  padding:19px 12px;text-align:center;
  border-right:1px solid rgba(255,255,255,.15)
}
.metric:last-child{border:0}
.metric strong{display:block;font-size:1.02rem}
.metric span{font-size:.85rem;color:#d3e2e0}
.section{padding:52px 0}
.white{background:#fff}
.mist{background:var(--mist)}
.ivory{background:var(--ivory)}
.electric-section{background:#ebf9f7}
.compact{padding:38px 0}
.path{
  display:grid;grid-template-columns:190px 1fr;
  gap:30px;align-items:start
}
.pulse{
  background:linear-gradient(180deg,var(--midnight),#326b70);
  color:#fff;border-radius:28px;
  aspect-ratio:1/1;padding:24px 18px;text-align:center;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  position:relative;
  box-shadow:inset 0 0 0 9px rgba(255,255,255,.08)
}
.pulse:before,.pulse:after{
  content:"";
  position:absolute;
  border:3px solid rgba(167,207,84,.55);
  border-radius:50%;
}
.pulse:before{inset:18px}
.pulse:after{inset:37px;border-color:rgba(70,193,199,.45)}
.pulse b,.pulse small{position:relative;z-index:1}
.pulse b{display:block;font-size:3.5rem;line-height:.9}
.pulse small{
  display:block;margin-top:9px;font-size:.72rem;
  letter-spacing:1.1px;font-weight:900
}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{
  background:#fff;border:2px solid var(--line);
  border-radius:var(--radius);padding:22px;
  box-shadow:0 8px 26px rgba(18,38,63,.045)
}
.card p{color:var(--muted)}
.table-wrap{
  overflow:auto;background:#fff;
  border:2px solid var(--line);border-radius:15px
}
table{width:100%;border-collapse:collapse;min-width:730px}
th,td{
  padding:15px 18px;border-bottom:1px solid var(--line);
  text-align:left;vertical-align:top;font-size:1rem
}
th{background:#eaf2f4;color:#2b4a5c;font-weight:900}
tr:last-child td{border-bottom:0}
.checks{list-style:none;padding:0;margin:0;display:grid;gap:11px}
.checks li{position:relative;padding-left:32px}
.checks li:before{
  content:"✓";position:absolute;left:0;top:-1px;
  color:var(--green);font-weight:900;font-size:1.15rem
}
.pricebox{
  background:linear-gradient(135deg,#10253f,#2e6b70);
  color:#fff;border-radius:24px;padding:31px;box-shadow:var(--shadow)
}
.pricebox h2,.pricebox p{color:#fff}
.price-image{
  background:#fff;border-radius:16px;padding:17px;margin-top:20px
}
.price-image img{margin:auto}
.info{
  background:#edf8f2;border:2px solid #cce5d7;
  border-radius:14px;padding:17px 19px
}
.warn{
  background:var(--warn);border:2px solid #e5ce92;
  border-radius:14px;padding:17px 19px
}
.alert{
  background:var(--alert);border:2px solid #e1b7ae;
  border-left:7px solid #a34e43;
  border-radius:14px;padding:17px 19px
}
.split{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.faq{display:grid;gap:12px}
details{
  background:#fff;border:2px solid var(--line);
  border-radius:14px;padding:17px 19px
}
summary{cursor:pointer;font-size:1.05rem;font-weight:900;color:#2d5258}
details p{margin:12px 0 0;color:var(--muted)}
.legal{max-width:970px}
.legal h1{font-size:clamp(2.12rem,4vw,3.08rem)}
.legal h2{font-size:1.56rem;margin-top:30px}
.crumbs{font-size:.9rem;color:var(--muted);margin-bottom:18px}
.sourcebox{
  background:#f7faf9;border:2px solid var(--line);
  border-radius:14px;padding:17px 19px
}
footer{
  background:var(--midnight2);color:#edf7f5;
  padding:40px 0 24px;margin-top:30px
}
.foot-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:26px}
.foot-links{display:flex;gap:14px;flex-wrap:wrap}
footer a{color:#fff}
.fine{font-size:.9rem;color:#c9d7d5}
.copy{
  margin-top:24px;border-top:1px solid rgba(255,255,255,.16);
  padding-top:18px;font-size:.85rem;color:#b1c0be
}
@media(max-width:920px){
  header{position:static}
  .nav{flex-direction:column;align-items:flex-start;padding:16px 0}
  .hero{background:linear-gradient(180deg,#fff,#eaf6f4)}
  .hero-grid,.path,.cards,.split,.foot-grid{grid-template-columns:1fr}
  .metric-grid{grid-template-columns:repeat(2,1fr)}
  .pulse{width:190px}
  h1{font-size:2.7rem}
}
@media(max-width:540px){
  html{font-size:18px}
  .section{padding:40px 0}
  .btnrow .btn{width:100%}
  .pricebox{padding:20px}
}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}