:root{
  --deep:#04333B;
  --teal:#0E7C86;
  --aqua:#38D6D0;
  --mist:#E6F7F7;
  --white:#FFFFFF;
  --ink:#0B2126;
  --gray:#5C7278;
  --line:rgba(14,124,134,.16);

  --display:'Archivo',system-ui,sans-serif;
  --body:'Sora',system-ui,sans-serif;
  --mono:'IBM Plex Mono',monospace;

  --pad:clamp(1.25rem,5vw,4.5rem);
  --max:1180px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--body);
  color:var(--ink);
  background:var(--white);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit}

.wrap{max-width:var(--max);margin:0 auto;padding-left:var(--pad);padding-right:var(--pad)}

h1,h2,h3{font-family:var(--display);line-height:1.08;letter-spacing:-.02em;font-weight:700}
h1{font-size:clamp(2.3rem,6vw,4.2rem)}
h2{font-size:clamp(1.85rem,4vw,2.9rem)}
h3{font-size:1.12rem;letter-spacing:-.01em;font-weight:600}

.eyebrow{
  font-family:var(--mono);
  font-size:.72rem;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--teal);
  display:flex;align-items:center;gap:.7rem;
  margin-bottom:1.1rem;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--aqua);flex:none}
.dark .eyebrow{color:var(--aqua)}

/* ---------- NAV ---------- */
header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px;gap:1rem}
.brand{display:flex;align-items:center;gap:.6rem;text-decoration:none;flex:none}
.brand img{height:46px;width:auto}
.brand span{font-family:var(--display);font-weight:700;font-size:1.05rem;letter-spacing:-.02em;color:var(--deep)}
.nav-links{display:flex;gap:1.7rem;align-items:center}
.nav-links a{
  text-decoration:none;font-size:.9rem;font-weight:500;color:var(--gray);
  transition:color .2s;white-space:nowrap;
}
.nav-links a:hover,.nav-links a.active{color:var(--teal)}
.nav-links .btn{color:var(--white)}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:.4rem}
.nav-toggle svg{width:26px;height:26px;stroke:var(--deep);stroke-width:2}
@media(max-width:860px){
  .nav-toggle{display:block}
  .nav-links{
    position:absolute;top:74px;left:0;right:0;
    background:var(--white);border-bottom:1px solid var(--line);
    flex-direction:column;align-items:stretch;gap:0;
    padding:.5rem var(--pad) 1.3rem;
    display:none;
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:.8rem 0;border-bottom:1px solid var(--line);font-size:1rem}
  .nav-links .btn{text-align:center;margin-top:.8rem;border-bottom:none}
}

.btn{
  display:inline-block;
  background:var(--teal);
  color:var(--white)!important;
  font-family:var(--body);
  font-weight:600;font-size:.92rem;
  padding:.78rem 1.5rem;
  border-radius:999px;
  text-decoration:none;
  border:none;cursor:pointer;
  transition:background .2s,transform .2s;
}
.btn:hover{background:var(--deep);transform:translateY(-1px)}
.btn-lg{padding:1rem 2rem;font-size:1rem}
.btn-ghost{
  background:transparent;color:var(--deep)!important;
  border:1.5px solid var(--line);
}
.btn-ghost:hover{background:var(--mist);border-color:var(--teal)}
.dark .btn-ghost{color:var(--white)!important;border-color:rgba(56,214,208,.4)}
.dark .btn-ghost:hover{background:rgba(56,214,208,.12)}

/* ---------- HERO ---------- */
.hero{
  background:
    radial-gradient(900px 500px at 88% -10%, rgba(56,214,208,.22), transparent 60%),
    linear-gradient(180deg,#F4FDFD 0%,var(--white) 100%);
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.hero-inner{
  display:grid;grid-template-columns:1.08fr .92fr;gap:clamp(2rem,5vw,4.5rem);
  align-items:center;
  padding-top:clamp(3.2rem,7vw,5.5rem);
  padding-bottom:clamp(3.2rem,7vw,5.5rem);
}
@media(max-width:900px){.hero-inner{grid-template-columns:1fr}}
.hero h1 span{color:var(--teal)}
.slogan{
  font-family:var(--display);font-weight:600;
  font-size:clamp(1.05rem,2vw,1.35rem);
  color:var(--deep);margin-bottom:1.4rem;line-height:1.3;
}
.hero p.lede{
  font-size:clamp(1.02rem,1.7vw,1.17rem);
  color:var(--gray);max-width:42ch;margin:1.3rem 0 2rem;
}
.hero-cta{display:flex;gap:.8rem;flex-wrap:wrap}
.hero-note{
  margin-top:1.8rem;font-family:var(--mono);font-size:.76rem;
  color:var(--gray);letter-spacing:.03em;
}

/* Badge card (hero visual — pure CSS, no image needed) */
.badge-card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:20px;
  padding:2.2rem;
  box-shadow:0 24px 60px -30px rgba(4,51,59,.45);
  position:relative;
}
.badge-card h3{text-align:center;margin-bottom:.4rem;color:var(--deep)}
.badge-card p{text-align:center;font-size:.88rem;color:var(--gray)}
.badge-meta{
  margin-top:1.4rem;padding-top:1.2rem;border-top:1px dashed var(--line);
  display:flex;justify-content:space-between;
  font-family:var(--mono);font-size:.68rem;letter-spacing:.08em;
  text-transform:uppercase;color:var(--gray);
}

/* Optional small photo (used only when you have real images) */
.photo{border-radius:16px;overflow:hidden;border:1px solid var(--line)}
.photo img{width:100%;height:100%;object-fit:cover;display:block}

/* Badge seal */
.badge-seal{
  width:150px;height:150px;margin:0 auto 1.4rem;
  border-radius:50%;
  background:conic-gradient(from 180deg,var(--teal),var(--aqua),var(--teal));
  display:grid;place-items:center;position:relative;flex:none;
}
.badge-seal::after{content:"";position:absolute;inset:9px;border-radius:50%;background:var(--white)}
.seal-text{
  position:relative;z-index:2;text-align:center;
  font-family:var(--mono);font-size:.6rem;letter-spacing:.14em;
  color:var(--teal);text-transform:uppercase;line-height:1.6;
}
.seal-text strong{
  display:block;font-family:var(--display);font-size:1.5rem;
  letter-spacing:-.02em;color:var(--deep);margin:.15rem 0;
}

/* ---------- SECTIONS ---------- */
section{padding-top:clamp(3.3rem,7vw,5.5rem);padding-bottom:clamp(3.3rem,7vw,5.5rem)}
.section-head{max-width:62ch;margin-bottom:clamp(2.2rem,4vw,3.2rem)}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head.center .eyebrow{justify-content:center}
.section-head p{color:var(--gray);margin-top:1rem;font-size:1.02rem}

.tint{background:var(--mist)}
.dark{background:var(--deep);color:var(--white)}
.dark h2,.dark h3{color:var(--white)}
.dark .section-head p{color:rgba(230,247,247,.72)}

/* Grid cards */
.grid{display:grid;gap:1.1rem}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.g4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:860px){.g3,.g2{grid-template-columns:1fr}}
@media(max-width:560px){.g4{grid-template-columns:1fr}}

.card{
  background:var(--white);border:1px solid var(--line);border-radius:16px;padding:1.7rem;
  transition:transform .22s,box-shadow .22s,border-color .22s;
}
.card:hover{transform:translateY(-3px);border-color:var(--aqua);box-shadow:0 18px 40px -26px rgba(4,51,59,.4)}
.card h3{margin-bottom:.55rem;color:var(--deep)}
.card p{font-size:.94rem;color:var(--gray)}
.icon{width:44px;height:44px;border-radius:12px;background:var(--mist);display:grid;place-items:center;margin-bottom:1.1rem}
.icon svg{width:22px;height:22px;stroke:var(--teal);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

/* Process steps */
.steps{display:grid;gap:0}
.step{display:grid;grid-template-columns:74px 1fr;gap:1.4rem;padding:1.7rem 0;border-top:1px solid var(--line);align-items:start}
.step:last-child{border-bottom:1px solid var(--line)}
.dark .step,.dark .step:last-child{border-color:rgba(56,214,208,.2)}
.step-n{font-family:var(--mono);font-size:.78rem;letter-spacing:.14em;color:var(--teal);padding-top:.28rem}
.dark .step-n{color:var(--aqua)}
.step h3{margin-bottom:.35rem;color:var(--deep)}
.dark .step h3{color:var(--white)}
.step p{color:var(--gray);font-size:.95rem;max-width:64ch}
.dark .step p{color:rgba(230,247,247,.72)}
@media(max-width:600px){.step{grid-template-columns:1fr;gap:.4rem}}

/* Industry chips */
.chips{display:flex;flex-wrap:wrap;gap:.7rem}
.chip{
  display:flex;align-items:center;gap:.6rem;
  background:var(--white);border:1px solid var(--line);border-radius:999px;
  padding:.7rem 1.2rem;font-size:.92rem;font-weight:500;color:var(--deep);
  transition:border-color .2s,transform .2s;
}
.chip:hover{border-color:var(--aqua);transform:translateY(-2px)}
.chip svg{width:16px;height:16px;stroke:var(--teal);fill:none;stroke-width:2;flex:none}

/* Use-case list (residential) */
.uses{display:grid;grid-template-columns:repeat(2,1fr);gap:1.1rem}
@media(max-width:760px){.uses{grid-template-columns:1fr}}
.use{
  display:grid;grid-template-columns:48px 1fr;gap:1.1rem;align-items:start;
  background:var(--white);border:1px solid var(--line);border-radius:16px;padding:1.5rem;
}
.use .icon{margin-bottom:0}
.use h3{color:var(--deep);margin-bottom:.3rem;font-size:1.05rem}
.use p{color:var(--gray);font-size:.92rem}

/* Split feature */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(1.5rem,4vw,3.5rem);align-items:center}
@media(max-width:860px){.split{grid-template-columns:1fr}}

/* Path cards (home) */
.paths{display:grid;grid-template-columns:1fr 1fr;gap:1.3rem}
@media(max-width:760px){.paths{grid-template-columns:1fr}}
.path{
  border-radius:20px;overflow:hidden;border:1px solid var(--line);
  background:var(--white);display:flex;flex-direction:column;
  transition:transform .22s,box-shadow .22s;
}
.path:hover{transform:translateY(-4px);box-shadow:0 24px 50px -30px rgba(4,51,59,.45)}
.path-top{padding:1.7rem 1.8rem;color:var(--white);background:linear-gradient(135deg,var(--teal),var(--aqua))}
.path-top h3{color:var(--white);font-size:1.5rem}
.path-top p{font-size:.9rem;opacity:.92;margin-top:.3rem}
.path-body{padding:1.6rem 1.8rem;flex:1;display:flex;flex-direction:column}
.path-body ul{list-style:none;display:grid;gap:.6rem;margin-bottom:1.5rem}
.path-body li{font-size:.92rem;color:var(--gray);padding-left:1.4rem;position:relative}
.path-body li::before{content:"";position:absolute;left:0;top:.6em;width:7px;height:7px;border-radius:50%;background:var(--aqua)}
.path-body .btn{margin-top:auto;text-align:center}

/* Trust strip */
.trust{display:flex;flex-wrap:wrap;gap:2rem;justify-content:center;align-items:center;text-align:center}
.trust-item{display:flex;flex-direction:column;gap:.3rem;min-width:130px}
.trust-item strong{font-family:var(--display);font-size:1.6rem;color:var(--white)}
.trust-item span{font-family:var(--mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:rgba(230,247,247,.6)}

/* FAQ */
details{border-bottom:1px solid var(--line);padding:1.25rem 0}
details summary{
  cursor:pointer;list-style:none;
  font-family:var(--display);font-weight:600;font-size:1.03rem;color:var(--deep);
  display:flex;justify-content:space-between;gap:1.5rem;align-items:center;
}
details summary::-webkit-details-marker{display:none}
details summary::after{content:"+";font-family:var(--mono);color:var(--teal);font-size:1.3rem;flex:none;transition:transform .2s}
details[open] summary::after{transform:rotate(45deg)}
details p{margin-top:.85rem;color:var(--gray);font-size:.95rem;max-width:74ch}

/* FORM */
.form-panel{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(2rem,5vw,4rem);align-items:start}
@media(max-width:900px){.form-panel{grid-template-columns:1fr}}
.contact-list{display:grid;gap:1.3rem;margin-top:2rem}
.contact-item span{display:block;font-family:var(--mono);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--aqua);margin-bottom:.25rem}
.contact-item a,.contact-item p{color:var(--white);text-decoration:none;font-size:1.02rem;font-weight:500}
.contact-item a:hover{color:var(--aqua)}

form{background:var(--white);border-radius:20px;padding:clamp(1.5rem,3vw,2.3rem)}
.field{margin-bottom:1.1rem}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:1.1rem}
@media(max-width:560px){.field-row{grid-template-columns:1fr}}
label{display:block;font-family:var(--mono);font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--teal);margin-bottom:.45rem}
input,select,textarea{
  width:100%;font-family:var(--body);font-size:.97rem;color:var(--ink);
  padding:.82rem .95rem;border:1.5px solid var(--line);border-radius:10px;
  background:#FAFEFE;transition:border-color .18s,box-shadow .18s;
}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 3px rgba(56,214,208,.22)}
textarea{resize:vertical;min-height:110px}
.form-foot{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap;margin-top:1.5rem}
.form-foot p{font-size:.8rem;color:var(--gray)}
.hp{position:absolute;left:-9999px}

/* CTA band */
.cta-band{text-align:center}
.cta-band h2{max-width:20ch;margin:0 auto 1.2rem}
.cta-band p{max-width:52ch;margin:0 auto 2rem;color:rgba(230,247,247,.75)}

/* FOOTER */
footer{background:var(--deep);color:rgba(230,247,247,.65);padding:3rem 0 2.2rem;border-top:1px solid rgba(56,214,208,.18)}
.foot-top{display:flex;justify-content:space-between;gap:2rem;flex-wrap:wrap;align-items:flex-start;padding-bottom:2rem;border-bottom:1px solid rgba(56,214,208,.16)}
.foot-brand img{height:44px;margin-bottom:1rem}
.foot-brand p{font-size:.88rem;max-width:34ch}
.foot-cols{display:flex;gap:3rem;flex-wrap:wrap}
.foot-col h4{font-family:var(--mono);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--aqua);margin-bottom:.9rem;font-weight:500}
.foot-col a,.foot-col p{display:block;text-decoration:none;font-size:.9rem;color:rgba(230,247,247,.7);margin-bottom:.55rem}
.foot-col a:hover{color:var(--aqua)}
.foot-bot{margin-top:1.6rem;display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;font-size:.78rem;font-family:var(--mono);letter-spacing:.04em}

/* Reveal */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2.5px solid var(--aqua);outline-offset:3px;
}