:root{
  --bg:#f3f8f5; --surface:#ffffff; --text:#12302d; --muted:#4a645f; --rule:#d3e2dc;
  --deep:#0f3d3a; --teal:#1f7f80; --link:#17696a; --pale:#dae8d4; --mint:#8ec2b8;
  --coral:#c4573a; --amber:#a86f00; --indigo:#4553a8;
  --hero-a:#0f3d3a; --hero-b:#1f7f80; --band:#e3f0e8; --shadow:0 1px 2px rgba(15,61,58,.08),0 8px 24px rgba(15,61,58,.08);
}
@media (prefers-color-scheme:dark){
  :root{
    --bg:#0b1615; --surface:#13231f; --text:#e6f1ee; --muted:#a8c1bc; --rule:#26403a;
    --deep:#0a2a28; --teal:#6fc3c0; --link:#8fd3cb; --pale:#dae8d4; --mint:#8ec2b8;
    --coral:#f0957b; --amber:#e8b44f; --indigo:#a3aef0;
    --hero-a:#0a2a28; --hero-b:#165b5c; --band:#10241f; --shadow:0 1px 2px rgba(0,0,0,.4),0 8px 24px rgba(0,0,0,.3);
  }
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;font-size:1.0625rem;line-height:1.65}
a{color:var(--link);text-underline-offset:3px}
a:focus-visible,summary:focus-visible,.btn:focus-visible{outline:3px solid var(--mint);outline-offset:3px;border-radius:6px}
img{max-width:100%;display:block}
.wrap{max-width:68rem;margin:0 auto;padding:0 1.25rem}
.narrow{max-width:46rem}

/* top bar */
.topbar{background:var(--hero-a);color:#fff}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap;padding-top:.8rem;padding-bottom:.8rem}
.brand{display:flex;align-items:center;gap:.7rem;color:#fff;text-decoration:none;font-weight:700;font-size:1.15rem}
.brand img{width:2.4rem;height:2.4rem;border-radius:.6rem}
.topbar nav{display:flex;gap:.25rem;flex-wrap:wrap}
.topbar nav a{color:#fff;text-decoration:none;padding:.4rem .75rem;border-radius:999px;font-size:.98rem}
.topbar nav a:hover{background:rgba(255,255,255,.14)}
.topbar nav a[aria-current="page"]{background:rgba(255,255,255,.2);font-weight:600}

/* hero */
.hero{background:radial-gradient(1200px 500px at 85% -10%,rgba(142,194,184,.45),transparent 60%),linear-gradient(135deg,var(--hero-a),var(--hero-b));color:#fff;padding:3.5rem 0 4rem}
.hero .wrap{display:grid;gap:2.5rem;align-items:center}
@media(min-width:52rem){.hero .wrap{grid-template-columns:1.25fr .75fr}}
.hero h1{font-size:clamp(2.2rem,5vw,3.3rem);line-height:1.1;letter-spacing:-.02em;margin:0 0 1rem}
.hero p.lead{font-size:1.25rem;max-width:34rem;margin:0 0 1.75rem;color:#e7f4f0}
.hero .logo-card{justify-self:center;width:min(15rem,60vw);border-radius:2.2rem;box-shadow:0 18px 50px rgba(0,0,0,.35);transform:rotate(-3deg)}
.page-hero{padding:2.5rem 0 2.75rem}
.page-hero h1{font-size:clamp(1.9rem,4.5vw,2.6rem);margin:0 0 .5rem}
.page-hero p.lead{font-size:1.15rem;margin:0}
.btns{display:flex;gap:.75rem;flex-wrap:wrap}
.btn{display:inline-block;padding:.8rem 1.35rem;border-radius:999px;font-weight:650;text-decoration:none;font-size:1.02rem;border:2px solid transparent}
.btn-primary{background:var(--pale);color:#0f3d3a}
.btn-primary:hover{background:#fff}
.btn-ghost{border-color:rgba(255,255,255,.7);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.14)}
.btn-solid{background:var(--deep);color:#fff}
@media(prefers-color-scheme:dark){.btn-solid{background:var(--pale);color:#0f3d3a}}

/* sections */
section{padding:3.25rem 0}
section.band{background:var(--band)}
h2{font-size:clamp(1.55rem,3.5vw,2rem);line-height:1.2;margin:0 0 .6rem;letter-spacing:-.01em}
h3{font-size:1.15rem;margin:1.6rem 0 .35rem}
.eyebrow{display:inline-block;font-size:.85rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--teal);margin-bottom:.4rem}
.sub{color:var(--muted);max-width:40rem;margin:0 0 1.75rem}
p{margin:0 0 1rem}
ul,ol{margin:0 0 1rem;padding-left:1.3rem}
li{margin-bottom:.4rem}

.grid{display:grid;gap:1.1rem}
@media(min-width:40rem){.grid.c2{grid-template-columns:repeat(2,1fr)}.grid.c3{grid-template-columns:repeat(2,1fr)}}
@media(min-width:62rem){.grid.c3{grid-template-columns:repeat(3,1fr)}}
.card{background:var(--surface);border:1px solid var(--rule);border-top:4px solid var(--c,var(--teal));border-radius:1rem;padding:1.35rem 1.25rem;box-shadow:var(--shadow)}
.card h3{margin:.8rem 0 .3rem}
.card p{margin:0;color:var(--muted)}
.chip{width:2.9rem;height:2.9rem;border-radius:.85rem;display:grid;place-items:center;color:var(--c,var(--teal));background:color-mix(in srgb,var(--c,var(--teal)) 16%,transparent)}
.chip svg{width:1.55rem;height:1.55rem}
.t-teal{--c:var(--teal)}.t-coral{--c:var(--coral)}.t-amber{--c:var(--amber)}.t-indigo{--c:var(--indigo)}

.steps{counter-reset:s;display:grid;gap:1rem;list-style:none;padding:0;margin:0}
@media(min-width:48rem){.steps{grid-template-columns:repeat(3,1fr)}}
.steps li{counter-increment:s;background:var(--surface);border:1px solid var(--rule);border-radius:1rem;padding:1.3rem 1.25rem;box-shadow:var(--shadow);margin:0}
.steps li::before{content:counter(s);display:grid;place-items:center;width:2.4rem;height:2.4rem;border-radius:50%;background:var(--teal);color:#fff;font-weight:700;margin-bottom:.7rem}
@media(prefers-color-scheme:dark){.steps li::before{color:#0a2a28}}
.steps strong{display:block;margin-bottom:.2rem}

.split{display:grid;gap:2rem;align-items:center}
@media(min-width:52rem){.split{grid-template-columns:1fr 1fr}}
.panel{background:linear-gradient(135deg,var(--hero-a),var(--hero-b));color:#fff;border-radius:1.25rem;padding:2rem 1.75rem;box-shadow:var(--shadow)}
.panel h2,.panel h3{color:#fff;margin-top:0}
.panel p,.panel li{color:#e7f4f0}
.panel a{color:#fff}
.tick{list-style:none;padding:0}
.tick li{padding-left:1.8rem;position:relative}
.tick li::before{content:"";position:absolute;left:0;top:.45rem;width:1.05rem;height:1.05rem;border-radius:50%;background:var(--mint)}
.tick li::after{content:"";position:absolute;left:.33rem;top:.62rem;width:.3rem;height:.55rem;border:solid #0f3d3a;border-width:0 2px 2px 0;transform:rotate(45deg)}

.contact-card{background:var(--surface);border:1px solid var(--rule);border-left:6px solid var(--coral);border-radius:1rem;padding:1.4rem 1.4rem;box-shadow:var(--shadow);font-size:1.1rem}
.contact-card a{font-weight:700}

details{background:var(--surface);border:1px solid var(--rule);border-radius:.9rem;padding:.2rem 1.1rem;margin-bottom:.7rem;box-shadow:var(--shadow)}
summary{cursor:pointer;font-weight:650;padding:.8rem 0;list-style-position:outside}
details[open] summary{color:var(--teal)}
details p,details ol,details ul{color:var(--text)}

.doc{background:var(--surface);border:1px solid var(--rule);border-radius:1.1rem;padding:1.5rem 1.35rem 1rem;box-shadow:var(--shadow)}
@media(min-width:40rem){.doc{padding:2rem 2.25rem 1.25rem}}
.doc h2{font-size:1.4rem;margin-top:2rem;padding-top:.3rem;border-top:3px solid var(--mint);padding-top:1rem}
.doc h2:first-of-type{margin-top:1.2rem}
.updated{display:inline-block;background:var(--band);color:var(--muted);padding:.3rem .8rem;border-radius:999px;font-size:.92rem;margin-bottom:1rem}
.summary-box{background:var(--band);border-left:6px solid var(--teal);border-radius:.8rem;padding:1rem 1.2rem .4rem;margin:1rem 0 1.25rem}
.summary-box h2{border:0;margin:0 0 .4rem;padding:0;font-size:1.2rem}

footer{background:var(--hero-a);color:#d6e8e3;padding:2.5rem 0 2.75rem;margin-top:1rem}
footer a{color:#fff}
footer .cols{display:grid;gap:1.5rem}
@media(min-width:40rem){footer .cols{grid-template-columns:1.4fr 1fr 1fr}}
footer h4{margin:0 0 .5rem;color:#fff;font-size:1rem}
footer ul{list-style:none;padding:0;margin:0}
footer p{margin:0 0 .5rem}
footer .small{font-size:.92rem;color:#b9d3cd;margin-top:1.5rem}