:root{
  --blue:#00789F;      /* primary brand */
  --blue-dark:#005F80; /* hover / emphasis */
  --green:#6FA800;     /* secondary accent (darkened for light bg) */
  --ink:#1F2427;       /* main text */
  --muted:#5A6570;     /* secondary text */
  --bg:#FFFFFF;
  --bg-alt:#F5F7F8;
  --border:#E2E6E9;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'Segoe UI',system-ui,-apple-system,'Helvetica Neue',Arial,sans-serif;
  background:var(--bg);
  color:var(--ink);
  line-height:1.6;
}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px;position:relative;z-index:1}
h1,h2,h3{line-height:1.15;letter-spacing:-0.01em;font-weight:600}

/* NAV */
nav{
  position:sticky;top:0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 24px;
  background:rgba(255,255,255,.95);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--border);
}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.brand img{height:34px;width:auto;display:block}
.brand .name{font-weight:700;font-size:1.35rem;letter-spacing:-0.02em;color:var(--ink)}
.brand .name span{color:var(--green)}
.nav-links{display:flex;gap:28px;align-items:center}
.nav-links a{color:var(--ink);text-decoration:none;font-weight:500;font-size:.95rem}
.nav-links a:hover{color:var(--blue)}
.nav-cta{background:var(--blue);color:#fff!important;padding:9px 18px;border-radius:6px;font-weight:600!important}
.nav-cta:hover{background:var(--blue-dark)}
@media(max-width:680px){.nav-links a:not(.nav-cta){display:none}}

/* HERO */
.hero{
  padding:96px 24px 88px;
  border-bottom:1px solid var(--border);
  background:
    radial-gradient(620px 320px at 10% 5%, rgba(0,120,159,.07), transparent 70%),
    radial-gradient(520px 300px at 90% 20%, rgba(111,168,0,.07), transparent 70%),
    var(--bg-alt);
}
.hero .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
@media(max-width:860px){
  .hero .wrap{grid-template-columns:1fr;gap:40px}
  .hero-art{max-width:320px;margin:0 auto}
}
.hero-art svg{width:100%;height:auto;display:block}
.hero h1{
  font-size:clamp(2.1rem,5vw,3.4rem);
  max-width:820px;
  margin-bottom:20px;
}
.hero p.lead{font-size:clamp(1.05rem,2vw,1.2rem);max-width:680px;margin-bottom:34px;color:var(--muted)}
.btn-row{display:flex;gap:12px;flex-wrap:wrap}
.btn{
  display:inline-block;text-decoration:none;font-weight:600;font-size:1rem;
  padding:13px 26px;border-radius:6px;
}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-dark)}
.btn-secondary{background:#fff;color:var(--ink);border:1px solid var(--border)}
.btn-secondary:hover{border-color:var(--blue);color:var(--blue)}

/* SECTIONS */
section{padding:80px 0}
section.alt{background:var(--bg-alt);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.eyebrow{color:var(--blue);font-weight:600;letter-spacing:.08em;text-transform:uppercase;font-size:.8rem;margin-bottom:12px}
.section-title{font-size:clamp(1.6rem,3.6vw,2.3rem);margin-bottom:16px;max-width:760px}
.section-sub{font-size:1.05rem;color:var(--muted);max-width:680px}

/* FEATURE GRID */
.features{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:44px}
@media(max-width:780px){.features{grid-template-columns:1fr}}
.feat{
  border-radius:10px;padding:28px;border:1px solid var(--border);
  background:#fff;
}
.feat h3{font-size:1.15rem;margin-bottom:8px}
.feat p{color:var(--muted);font-size:.98rem}
.feat-ic{
  display:inline-flex;width:42px;height:42px;border-radius:10px;
  background:rgba(0,120,159,.08);color:var(--blue);
  align-items:center;justify-content:center;margin-bottom:14px;
}
.feat-ic svg{width:22px;height:22px}

/* STEPS — vertical timeline */
.steps{
  display:flex;flex-direction:column;gap:32px;
  margin-top:44px;position:relative;
  max-width:720px;padding-left:72px;
}
.steps::before{
  content:'';position:absolute;z-index:0;
  left:25px;top:44px;height:var(--rail-h,calc(100% - 160px));
  border-left:2px dashed rgba(0,120,159,.5);
}
@media(min-width:1200px){.steps::before{display:none}}
.step{
  background:#fff;
  border:1px solid var(--border);border-radius:10px;padding:26px 28px;
  position:relative;z-index:1;
}
.step-num{
  position:absolute;left:-64px;top:26px;
  width:36px;height:36px;border-radius:50%;
  background:var(--blue);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:600;font-size:1rem;
  box-shadow:0 0 0 4px var(--bg-alt);
}
.step-ic{position:absolute;top:26px;right:26px;color:var(--blue);opacity:.85;display:inline-flex}
.step-ic svg{width:26px;height:26px}
@media(max-width:480px){
  .steps{padding-left:56px}
  .steps::before{left:17px}
  .step-num{left:-52px;width:30px;height:30px;font-size:.9rem;top:24px}
}
.step h3{font-size:1.15rem;margin-bottom:8px}
.step p{color:var(--muted);font-size:.98rem}

/* KEY FACTS BAND */
.band-section{padding:0 0 80px}
.stats{
  background:var(--blue);
  border-radius:10px;padding:44px 30px;
  display:grid;grid-template-columns:repeat(3,1fr);gap:20px;text-align:center;
}
@media(max-width:780px){.stats{grid-template-columns:1fr;gap:30px}}
.stat b{display:block;font-size:clamp(1.7rem,4vw,2.3rem);font-weight:600;color:#fff}
.stat span{color:rgba(255,255,255,.85);font-size:.95rem}

/* TECH SPECS */
.specs{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin-top:36px}
.spec{background:#fff;border:1px solid var(--border);border-radius:10px;padding:20px 22px}
.spec b{display:block;font-size:1.15rem;font-weight:600;color:var(--blue);margin-bottom:4px}
.spec span{color:var(--muted);font-size:.9rem}

/* WHERE */
.where-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:44px}
@media(max-width:780px){.where-grid{grid-template-columns:1fr}}
.where-card{
  border-radius:10px;padding:32px;
  border:1px solid var(--border);background:#fff;
}
.where-card h3{font-size:1.3rem;margin-bottom:10px}
.where-card p{color:var(--muted);font-size:.98rem}
.tag{
  display:inline-block;background:var(--bg-alt);color:var(--blue);
  border:1px solid var(--border);
  font-weight:600;font-size:.72rem;
  padding:5px 12px;border-radius:4px;letter-spacing:.06em;text-transform:uppercase;margin-bottom:16px;
}

.founding{
  margin-top:24px;padding:20px 24px;
  border:1px solid var(--border);border-left:3px solid var(--green);
  border-radius:8px;background:#fff;
}
.founding p{color:var(--ink);font-size:.98rem;margin:0}

/* CTA */
.cta{text-align:center;padding:20px 0}
.cta h2{font-size:clamp(1.6rem,4vw,2.4rem);margin-bottom:14px}
.cta p{color:var(--muted);margin-bottom:28px;font-size:1.05rem}
.cta .btn-row{justify-content:center}
.cta-note{color:var(--muted);font-size:.9rem;margin-top:18px}

/* FOOTER */
footer{padding:40px 24px;text-align:center;color:var(--muted);font-size:.92rem;border-top:1px solid var(--border)}
footer .f-brand{display:flex;align-items:center;justify-content:center;gap:8px;margin-bottom:10px}
footer .f-brand img{height:24px;width:auto}
footer .f-brand .name{font-size:1.1rem;font-weight:700;letter-spacing:-0.02em;color:var(--ink)}
footer .f-brand .name span{color:var(--green)}
footer a{color:var(--blue);text-decoration:none}
footer a:hover{text-decoration:underline}
footer p{margin:2px 0}
footer .f-note{font-size:.8rem;opacity:.75;margin-top:8px}

/* LEGAL PAGES */
.legal{padding:64px 0 80px}
.legal .wrap{max-width:760px}
.legal h1{margin-bottom:8px}
.legal h2{font-size:1.15rem;margin:32px 0 8px}
.legal p{color:var(--muted);margin-bottom:12px}
.legal a{color:var(--blue);text-decoration:none}
.legal a:hover{text-decoration:underline}

/* CONTACT MODAL */
.modal-overlay{
  position:fixed;inset:0;z-index:100;display:none;
  align-items:center;justify-content:center;padding:24px;
  background:rgba(31,36,39,.45);
}
.modal-overlay.open{display:flex}
.modal{
  width:100%;max-width:460px;
  background:#fff;
  border:1px solid var(--border);
  border-radius:10px;padding:32px;
  box-shadow:0 16px 48px rgba(0,0,0,.18);
  position:relative;
}
.modal h3{font-size:1.4rem;margin-bottom:6px}
.modal p.sub{color:var(--muted);margin-bottom:22px;font-size:.95rem}
.modal label{display:block;font-weight:600;font-size:.8rem;letter-spacing:.03em;
  text-transform:uppercase;margin-bottom:6px;color:var(--ink)}
.modal label .optional{font-weight:400;text-transform:none;color:var(--muted);letter-spacing:0}
.modal input,.modal textarea{
  width:100%;margin-bottom:16px;padding:11px 13px;
  background:#fff;
  border:1px solid var(--border);border-radius:6px;
  color:var(--ink);font-family:inherit;font-size:1rem;
}
.modal input:focus,.modal textarea:focus{outline:none;border-color:var(--blue)}
.modal textarea{resize:vertical;min-height:96px}
.modal .send{
  width:100%;background:var(--blue);color:#fff;border:none;cursor:pointer;
  font-weight:600;font-size:1rem;padding:13px;border-radius:6px;
  font-family:inherit;
}
.modal .send:hover{background:var(--blue-dark)}
.modal .close{
  position:absolute;top:14px;right:16px;background:none;border:none;cursor:pointer;
  color:var(--muted);font-size:1.5rem;line-height:1;
}
.modal .close:hover{color:var(--ink)}
.modal-note{color:var(--muted);font-size:.78rem;margin-top:14px;text-align:center}
.modal-note a{color:var(--blue);text-decoration:none}
.modal-note a:hover{text-decoration:underline}

/* SCROLL TRACE */
body{position:relative}
#trace{position:absolute;top:0;left:0;z-index:0;pointer-events:none}

/* MOTION */
.feat,.step,.where-card{transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.feat:hover,.step:hover,.where-card:hover{
  transform:translateY(-3px);
  box-shadow:0 10px 28px rgba(31,36,39,.08);
  border-color:#CBD4DA;
}
.btn{transition:background .15s ease,color .15s ease,border-color .15s ease,transform .15s ease}
.btn:hover{transform:translateY(-2px)}
.reveal{opacity:0;transform:translateY(16px);transition:opacity .55s ease,transform .55s ease}
.reveal.in{opacity:1;transform:translateY(0)}
@media (prefers-reduced-motion: reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .feat,.step,.where-card,.btn{transition:none}
  .feat:hover,.step:hover,.where-card:hover,.btn:hover{transform:none}
}