:root{
  --navy:#072f4f;
  --navy-deep:#05263f;
  --teal:#0d7f80;
  --teal-soft:#d9efea;
  --cream:#f7f2e8;
  --cream-2:#efe8da;
  --ink:#153245;
  --muted:#6d7b84;
  --amber:#dc8f29;
  --white:#ffffff;
  --line:rgba(7,47,79,.12);
  --shadow:0 18px 50px rgba(7,47,79,.10);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"DM Sans",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color:var(--ink);
  background:var(--cream);
}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}

.site-header{
  height:76px;
  padding:0 clamp(22px,5vw,76px);
  display:flex;
  align-items:center;
  gap:28px;
  background:rgba(247,242,232,.96);
  border-bottom:1px solid var(--line);
  position:sticky;
  top:0;
  z-index:30;
  backdrop-filter:blur(12px);
}
.brand{display:flex;align-items:center;gap:10px;margin-right:auto}
.brand-mark{
  width:38px;height:38px;border-radius:50%;
  display:grid;place-items:center;
  color:var(--cream);background:var(--navy);
  font-family:"Libre Baskerville",serif;
  font-weight:700;font-size:19px;
  box-shadow:inset 0 0 0 2px rgba(255,255,255,.1);
}
.brand-name{
  font-family:"Libre Baskerville",serif;
  font-size:22px;font-weight:700;color:var(--navy);
}
.nav{display:flex;gap:28px;font-size:14px;font-weight:600;color:#36505f}
.nav a:hover{color:var(--teal)}
.nav-cta{
  padding:11px 17px;border-radius:999px;
  border:1px solid rgba(7,47,79,.18);
  font-size:13px;font-weight:700;color:var(--navy);
}
.nav-cta:hover{background:var(--navy);color:white}

.hero{
  min-height:650px;
  background:
    radial-gradient(circle at 78% 40%, rgba(13,127,128,.22), transparent 31%),
    radial-gradient(circle at 65% 70%, rgba(220,143,41,.12), transparent 24%),
    linear-gradient(135deg,var(--navy) 0%,var(--navy-deep) 100%);
  color:white;
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(390px,.95fr);
  align-items:center;
  gap:42px;
  padding:82px clamp(24px,7vw,110px) 88px;
  position:relative;
  overflow:hidden;
}
.hero:after{
  content:"";
  position:absolute;inset:auto -100px -220px 35%;
  height:360px;border-radius:50%;
  border:1px solid rgba(255,255,255,.07);
}
.hero-copy{max-width:700px;position:relative;z-index:2}
.eyebrow{
  font-size:12px;letter-spacing:.18em;font-weight:800;
  color:#a9ded7;margin-bottom:18px;
}
.eyebrow.dark{color:var(--teal)}
.hero h1,.section h2{
  font-family:"Libre Baskerville",serif;
  margin:0;
}
.hero h1{
  font-size:clamp(52px,5.5vw,82px);
  line-height:1.03;
  letter-spacing:-.035em;
}
.hero h1 span{color:#f4e6c5}
.hero-lead{
  max-width:660px;
  font-size:19px;line-height:1.7;
  color:rgba(255,255,255,.78);
  margin:26px 0 30px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.button{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:48px;padding:0 21px;border-radius:8px;
  font-size:14px;font-weight:800;transition:.2s ease;
}
.button.primary{background:var(--teal);color:white}
.button.primary:hover{transform:translateY(-1px);filter:brightness(1.08)}
.button.ghost{border:1px solid rgba(255,255,255,.28);color:white}
.button.ghost:hover{background:rgba(255,255,255,.07)}
.button.warm{background:var(--amber);color:#1f2c33;margin-top:10px}
.hero-proof{
  margin-top:34px;display:flex;flex-wrap:wrap;gap:18px;
  font-size:12px;color:rgba(255,255,255,.58);
}
.hero-proof span:before{content:"•";color:var(--amber);margin-right:8px}

.hero-visual{display:flex;justify-content:center;position:relative;z-index:2}
.network{
  width:min(100%,560px);aspect-ratio:1.18;
  position:relative;
}
.network svg{position:absolute;inset:0}
.lines line{stroke:rgba(160,231,220,.28);stroke-width:1.3}
.node{fill:#73d3c5}
.node.warm{fill:#e6a348}
.node.small{fill:#a9ded7}
.node.core{fill:#1d8d8a}
.network-center{
  position:absolute;left:50%;top:48%;
  transform:translate(-50%,-50%);
  width:108px;height:108px;border-radius:50%;
  display:grid;place-items:center;
  background:rgba(7,47,79,.88);
  border:1px solid rgba(255,255,255,.2);
  font-family:"Libre Baskerville",serif;font-weight:700;font-size:16px;
}
.network-label{
  position:absolute;
  padding:7px 10px;border:1px solid rgba(255,255,255,.16);
  border-radius:999px;background:rgba(4,34,56,.6);
  color:rgba(255,255,255,.78);font-size:11px;
}
.label-a{left:4%;top:15%}.label-b{right:5%;top:11%}
.label-c{right:-1%;top:52%}.label-d{right:22%;bottom:5%}.label-e{left:7%;bottom:10%}

.section{padding:86px clamp(24px,7vw,110px)}
.section-heading{text-align:center;max-width:760px;margin:0 auto 46px}
.section-heading h2,.about h2{
  font-size:clamp(34px,4vw,52px);
  color:var(--navy);letter-spacing:-.03em;
}
.section-heading p{margin-top:14px;color:var(--muted);font-size:17px}

.how{background:var(--cream)}
.steps{
  max-width:1180px;margin:auto;
  display:grid;grid-template-columns:repeat(4,1fr);
  border:1px solid var(--line);border-radius:18px;overflow:hidden;
  background:rgba(255,255,255,.45);box-shadow:var(--shadow);
}
.step{padding:28px;position:relative;min-height:260px}
.step:not(:last-child){border-right:1px solid var(--line)}
.step-number{font-size:11px;font-weight:800;letter-spacing:.16em;color:var(--amber)}
.step-icon{
  margin:32px 0 22px;width:48px;height:48px;border-radius:14px;
  display:grid;place-items:center;background:var(--teal-soft);color:var(--teal);
  font-size:22px;font-weight:800;
}
.step h3{margin:0 0 10px;color:var(--navy);font-size:21px}
.step p{margin:0;color:#63727b;line-height:1.65;font-size:14px}

.ecosystem{background:#fffdf8}
.ecosystem-flow{
  max-width:1100px;margin:auto;
  display:grid;grid-template-columns:1fr 54px 1.15fr 54px 1fr;
  align-items:center;
}
.eco-card{
  min-height:260px;padding:30px 28px;
  border:1px solid var(--line);border-radius:18px;background:white;
  box-shadow:var(--shadow);text-align:center;
}
.eco-card.featured{
  background:var(--navy);color:white;
  transform:scale(1.04);
}
.eco-topline{font-size:10px;font-weight:800;letter-spacing:.18em;color:var(--teal)}
.featured .eco-topline{color:#9fd9d0}
.eco-symbol{
  width:54px;height:54px;border-radius:16px;margin:25px auto 20px;
  display:grid;place-items:center;background:var(--teal-soft);color:var(--teal);
  font-family:"Libre Baskerville",serif;font-weight:700;font-size:23px;
}
.featured .eco-symbol{background:rgba(255,255,255,.1);color:white}
.eco-card h3{font-family:"Libre Baskerville",serif;font-size:24px;margin:0 0 10px}
.eco-card:not(.featured) h3{color:var(--navy)}
.eco-card p{margin:0;line-height:1.6;font-size:14px;color:var(--muted)}
.featured p{color:rgba(255,255,255,.72)}
.eco-arrow{text-align:center;color:var(--amber);font-size:28px;font-weight:800}

.nnn{
  background:linear-gradient(180deg,#e7f2ef 0%,#d9ebe7 100%);
}
.product-card{
  max-width:1140px;margin:auto;
  display:grid;grid-template-columns:1.1fr .9fr;
  overflow:hidden;border-radius:24px;
  background:var(--navy);box-shadow:var(--shadow);
}
.product-copy{padding:54px 58px;color:white}
.product-copy h2{font-size:44px;color:white}
.product-tagline{font-size:20px;line-height:1.5;color:#d8eee8}
.product-copy p:not(.product-tagline){line-height:1.7;color:rgba(255,255,255,.68)}
.product-preview{
  display:grid;place-items:center;padding:48px;
  background:
    radial-gradient(circle at 50% 50%,rgba(220,143,41,.17),transparent 35%),
    linear-gradient(145deg,#0a5067,#0d797b);
}
.mini-card{
  width:270px;padding:28px;border-radius:18px;background:#fffdf8;
  color:var(--ink);transform:rotate(-3deg);box-shadow:0 22px 45px rgba(0,0,0,.18)
}
.mini-brand{font-size:10px;font-weight:900;letter-spacing:.14em;color:var(--teal)}
.mini-card h4{font-family:"Libre Baskerville",serif;color:var(--navy);font-size:24px;margin:18px 0 10px}
.mini-card p{font-size:13px;line-height:1.55;color:#68767c}
.mini-lines{display:grid;gap:8px;margin-top:20px}
.mini-lines span{height:8px;border-radius:99px;background:#dbe8e4}
.mini-lines span:nth-child(2){width:82%}.mini-lines span:nth-child(3){width:65%}

.articles{background:var(--navy-deep);color:white}
.articles-inner{
  max-width:1120px;margin:auto;
  display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center;
}
.articles h2{font-size:42px;color:white}
.articles p{line-height:1.7;color:rgba(255,255,255,.7)}
.signup{padding:28px;border:1px solid rgba(255,255,255,.14);border-radius:18px;background:rgba(255,255,255,.05)}
.signup>label:first-child{display:block;font-size:12px;font-weight:700;margin-bottom:8px}
.signup-row{display:flex;gap:10px}
.signup input[type=email]{
  flex:1;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.08);
  color:white;border-radius:9px;padding:14px 15px;font:inherit;outline:none;
}
.signup input[type=email]::placeholder{color:rgba(255,255,255,.45)}
.signup button{
  border:0;border-radius:9px;padding:0 19px;background:var(--amber);
  color:#1f2c33;font-weight:900;cursor:pointer
}
.consent{display:flex;gap:10px;margin-top:16px;font-size:12px;line-height:1.5;color:rgba(255,255,255,.76)}
.consent input{margin-top:3px}
.privacy,.form-message{font-size:11px!important;margin:10px 0 0!important}
.form-message{color:#bde8df!important;font-weight:700}

.about{background:var(--cream)}
.about-grid{
  max-width:1120px;margin:auto;
  display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:start
}
.about-copy p{margin:0 0 18px;line-height:1.8;color:#5e6e77;font-size:16px}

footer{
  background:#041f33;color:white;
  padding:30px clamp(24px,7vw,110px);
  display:grid;grid-template-columns:1fr auto auto;gap:34px;align-items:center;
  border-top:1px solid rgba(255,255,255,.08)
}
.footer-brand{display:flex;align-items:center;gap:12px}
.footer-brand strong{display:block;font-family:"Libre Baskerville",serif}
.footer-brand span{display:block;font-size:11px;color:rgba(255,255,255,.55);margin-top:3px}
.footer-links{display:flex;gap:20px;font-size:12px;color:rgba(255,255,255,.68)}
.copyright{font-size:11px;color:rgba(255,255,255,.45)}

@media (max-width: 980px){
  .nav{display:none}
  .hero{grid-template-columns:1fr;min-height:auto;padding-top:64px}
  .hero-visual{max-width:620px;margin:auto;width:100%}
  .steps{grid-template-columns:1fr 1fr}
  .step:nth-child(2){border-right:0}
  .step:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .ecosystem-flow{grid-template-columns:1fr;gap:16px}
  .eco-arrow{transform:rotate(90deg)}
  .product-card,.articles-inner,.about-grid{grid-template-columns:1fr}
  footer{grid-template-columns:1fr}
}
@media (max-width: 620px){
  .site-header{height:68px;padding:0 18px}
  .nav-cta{display:none}
  .hero{padding:56px 22px 60px}
  .hero h1{font-size:46px}
  .hero-lead{font-size:17px}
  .hero-visual{margin-top:10px}
  .network{transform:scale(.95)}
  .section{padding:66px 20px}
  .steps{grid-template-columns:1fr}
  .step{border-right:0!important;border-bottom:1px solid var(--line)}
  .step:last-child{border-bottom:0}
  .eco-card.featured{transform:none}
  .product-copy{padding:38px 28px}
  .product-preview{padding:38px 24px}
  .articles-inner,.about-grid{gap:36px}
  .signup-row{flex-direction:column}
  .signup button{min-height:46px}
  .footer-links{flex-wrap:wrap}
}