:root{
  --green-900:#10362b;
  --green-700:#1d6b4f;
  --green-500:#2f9e6e;
  --green-300:#7fd1a8;
  --green-50:#eef8f2;
  --ink:#16221d;
  --muted:#516159;
  --line:#dbe7e0;
  --card:#ffffff;
  --bg:#f6faf7;
  --amber:#e7a33e;
  --radius:16px;
  --shadow:0 10px 30px rgba(16,54,43,.08);
  --shadow-sm:0 4px 14px rgba(16,54,43,.07);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
.wrap{max-width:1080px;margin:0 auto;padding:0 22px}
section{padding:72px 0}
/* helper for the white, top/bottom-bordered sections */
.section-white{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
h1,h2,h3{line-height:1.18;margin:0}
h2{font-size:clamp(1.6rem,3.2vw,2.3rem);color:var(--green-900);letter-spacing:-.01em}
.lead-eyebrow{
  text-transform:uppercase;letter-spacing:.14em;font-size:.78rem;font-weight:700;
  color:var(--green-700);margin-bottom:14px
}
p{margin:0 0 1rem}
a{color:var(--green-700)}

/* HERO */
.hero{
  background:radial-gradient(1200px 500px at 70% -10%,rgba(127,209,168,.35),transparent 60%),
             linear-gradient(160deg,var(--green-900),#15493a 60%,#1d6b4f);
  color:#eaf6ef;padding:84px 0 88px;position:relative;overflow:hidden
}
.hero:after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:26px 26px;opacity:.5;pointer-events:none
}
.hero .wrap{position:relative;z-index:1}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(231,163,62,.18);border:1px solid rgba(231,163,62,.55);
  color:#ffd89b;padding:7px 14px;border-radius:999px;font-size:.82rem;font-weight:600;margin-bottom:22px
}
.hero h1{font-size:clamp(2.1rem,5vw,3.5rem);letter-spacing:-.02em;max-width:18ch}
.hero .tagline{font-size:clamp(1.05rem,2.2vw,1.3rem);color:#cdeada;max-width:60ch;margin-top:18px}
.cta-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.btn{
  display:inline-flex;align-items:center;gap:9px;padding:13px 22px;border-radius:12px;
  font-weight:650;text-decoration:none;font-size:.98rem;transition:transform .12s ease,box-shadow .12s ease
}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--green-300);color:var(--green-900);box-shadow:0 8px 22px rgba(127,209,168,.35)}
.btn-ghost{background:rgba(255,255,255,.08);color:#eaf6ef;border:1px solid rgba(255,255,255,.28)}

/* WHAT */
.what p{font-size:1.12rem;color:#33433b;max-width:68ch}
.what .intro-lead{font-size:1.22rem;color:var(--ink)}

/* ADVANTAGES */
.grid{display:grid;gap:20px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow-sm)
}
.card h3{font-size:1.12rem;color:var(--green-900);margin-bottom:8px}
.card p{color:var(--muted);font-size:.97rem;margin:0}
.ico{
  width:44px;height:44px;border-radius:11px;display:grid;place-items:center;
  background:var(--green-50);margin-bottom:16px;font-size:1.35rem
}
.section-head{max-width:62ch;margin-bottom:40px}
.section-head p{color:var(--muted);font-size:1.05rem;margin-top:12px}

/* DUAL LAYER */
.dual{background:var(--green-900);color:#e7f4ec}
.dual h2{color:#fff}
.dual .section-head p{color:#bfe0cf}
.layers{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:10px}
.layer{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--radius);padding:30px
}
.layer .tag{
  display:inline-block;font-size:.74rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  padding:5px 11px;border-radius:999px;margin-bottom:16px
}
.layer.op .tag{background:var(--green-300);color:var(--green-900)}
.layer.sub .tag{background:rgba(231,163,62,.9);color:#3a2706}
.layer h3{color:#fff;font-size:1.3rem;margin-bottom:10px}
.layer p{color:#cfe6da;margin:0}
.pipe{
  display:flex;align-items:center;justify-content:center;gap:14px;flex-wrap:wrap;
  margin-top:40px;text-align:center
}
.pipe .node{
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.2);
  border-radius:12px;padding:14px 18px;font-size:.92rem;min-width:160px
}
.pipe .node b{display:block;color:#fff;font-size:1rem;margin-bottom:2px}
.pipe .node span{color:#bfe0cf;font-size:.84rem}
.pipe .arrow{color:var(--green-300);font-size:1.5rem;font-weight:700}

/* USE CASES */
.uses{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.use{
  background:var(--card);border:1px solid var(--line);border-left:4px solid var(--green-500);
  border-radius:12px;padding:18px 20px;box-shadow:var(--shadow-sm)
}
.use b{color:var(--green-900)}
.use span{display:block;color:var(--muted);font-size:.93rem;margin-top:3px}
.use.featured{border-left-color:var(--amber);background:linear-gradient(180deg,#fffaf1,#fff);border-color:#f0dcb8}
.use .roots{display:inline-block;font-size:.66rem;font-weight:700;letter-spacing:.07em;text-transform:uppercase;color:#9a6a16;background:rgba(231,163,62,.18);padding:3px 9px;border-radius:999px;margin-left:9px;vertical-align:middle}
.use-note{
  margin-top:28px;text-align:center;font-size:1.12rem;color:var(--green-900);
  font-style:italic;max-width:60ch;margin-left:auto;margin-right:auto
}

/* HOW */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;counter-reset:step}
.step{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow-sm)}
.step:before{
  counter-increment:step;content:counter(step);
  width:38px;height:38px;border-radius:50%;background:var(--green-500);color:#fff;
  display:grid;place-items:center;font-weight:700;margin-bottom:14px
}
.step h3{font-size:1.08rem;color:var(--green-900);margin-bottom:6px}
.step p{color:var(--muted);font-size:.95rem;margin:0}

/* PROOF */
.proof{background:var(--green-50)}
.proof .pcards{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.pcard{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px}
.pcard b{color:var(--green-900);display:block;margin-bottom:4px}
.pcard span{color:var(--muted);font-size:.92rem}

/* GET STARTED */
.start .paths{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.path{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:30px;box-shadow:var(--shadow-sm)
}
.path h3{font-size:1.2rem;color:var(--green-900);margin-bottom:10px}
.path p{color:var(--muted)}
.path .btn{margin-top:8px}
.support{
  margin-top:24px;background:linear-gradient(135deg,var(--green-700),var(--green-500));
  color:#eaf6ef;border-radius:var(--radius);padding:26px 30px;display:flex;
  align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap
}
.support b{color:#fff}

/* FOOTER */
footer{background:var(--green-900);color:#b9d6c6;padding:40px 0;text-align:center;font-size:.92rem}
footer a{color:var(--green-300)}

/* GALLERY */
.gallery .shots{display:grid;grid-template-columns:1.45fr 1fr;gap:28px;align-items:start}
.frame-browser,.frame-email{border-radius:14px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);background:#fff}
.frame-browser .bar{display:flex;align-items:center;gap:7px;padding:11px 14px;background:#eef2f0;border-bottom:1px solid var(--line)}
.frame-browser .dot{width:11px;height:11px;border-radius:50%;background:#cdd8d2}
.frame-browser .url{flex:1;margin-left:10px;background:#fff;border:1px solid var(--line);border-radius:8px;padding:5px 12px;font-size:.78rem;color:var(--muted)}
.frame-email .ehead{padding:13px 16px;border-bottom:1px solid var(--line);background:#fafcfb}
.frame-email .ehead .subj{font-weight:650;color:var(--green-900);font-size:.95rem}
.frame-email .ehead .meta{font-size:.8rem;color:var(--muted);margin-top:3px}
.shot img{display:block;width:100%;height:auto}
.shot-ph{display:grid;place-items:center;text-align:center;padding:24px;color:var(--muted);
  background:repeating-linear-gradient(45deg,#f3f8f5,#f3f8f5 12px,#eef4f0 12px,#eef4f0 24px)}
.frame-browser .shot-ph{aspect-ratio:16/10}
.frame-email .shot-ph{aspect-ratio:3/4}
.shot-ph .big{font-size:1.9rem;margin-bottom:8px}
.shot-ph code{background:#e4efe8;color:var(--green-700);padding:2px 7px;border-radius:6px;font-size:.8rem}
.cap{margin-top:13px;font-size:.9rem;color:var(--muted);text-align:center}

@media(max-width:820px){
  .grid-3,.steps,.proof .pcards{grid-template-columns:1fr}
  .layers,.uses,.start .paths{grid-template-columns:1fr}
  .pipe .arrow{transform:rotate(90deg)}
  .gallery .shots{grid-template-columns:1fr}
  section{padding:56px 0}
}