:root{
  --bg:#ffffff;--bg-2:#f3f6f5;--ink:#162321;--ink-2:#4b5a57;--line:#dbe2e0;
  --accent:#0f766e;--accent-soft:#e3f3f1;--accent-ink:#ffffff;--warn:#b42318;--warn-soft:#fdeceb;
  --card:#ffffff;--shadow:0 1px 2px rgba(0,0,0,.06);
}
:root[data-theme="dark"]{
  --bg:#0f1514;--bg-2:#161e1c;--ink:#e8edeb;--ink-2:#a6b3b0;--line:#2a3533;
  --accent:#2dd4bf;--accent-soft:#12302c;--accent-ink:#06201d;--warn:#f97066;--warn-soft:#3a1a18;
  --card:#161e1c;--shadow:none;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:70px}
body{margin:0;font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg)}
img{max-width:100%;display:block}
a{color:var(--accent)}
h1,h2,h3,h4{line-height:1.2;margin:0 0 .5rem}
h1{font-size:clamp(1.9rem,5vw,3rem)}
h2{font-size:clamp(1.5rem,3.5vw,2.1rem)}
h3{font-size:1.15rem}
h4{font-size:1rem}
p{margin:0 0 1rem}
ul,ol{margin:0 0 1rem;padding-left:1.25rem}
li{margin:.25rem 0}
table{width:100%;border-collapse:collapse;font-size:.93rem}
th,td{text-align:left;padding:.6rem .5rem;border-bottom:1px solid var(--line);vertical-align:top}
th{font-weight:700;background:var(--bg-2)}
.wrap{max-width:1040px;margin:0 auto;padding:0 16px}
.narrow{max-width:46rem}
.btn{display:inline-block;padding:.75rem 1.25rem;border-radius:8px;background:var(--accent);color:var(--accent-ink);font-weight:600;text-decoration:none;border:0;cursor:pointer;font-size:1rem}
.btn.ghost{background:transparent;color:var(--accent);border:1.5px solid var(--accent)}
.muted{color:var(--ink-2)}
.eyebrow{text-transform:uppercase;letter-spacing:.08em;font-size:.75rem;font-weight:700;color:var(--accent);margin-bottom:.5rem}
.small{font-size:.88rem}

/* header */
header{position:sticky;top:0;background:var(--bg);border-bottom:1px solid var(--line);z-index:20}
.nav{display:flex;align-items:center;justify-content:space-between;gap:1rem;height:60px}
.brand{display:flex;align-items:center;gap:.6rem;font-weight:700;text-decoration:none;color:var(--ink);white-space:nowrap}
.brand svg{width:28px;height:28px}
.nav ul{list-style:none;margin:0;padding:0;display:flex;gap:1.1rem}
.nav ul a{color:var(--ink-2);text-decoration:none;font-size:.93rem}
.nav ul a:hover{color:var(--accent)}
.nav .right{display:flex;align-items:center;gap:.5rem}
#themeBtn,#menuBtn{background:transparent;border:1px solid var(--line);color:var(--ink-2);border-radius:999px;padding:.35rem .7rem;cursor:pointer;font-size:.85rem}
#menuBtn{display:none}
@media (max-width:820px){
  .nav ul{display:none;position:absolute;left:0;right:0;top:60px;background:var(--bg);border-bottom:1px solid var(--line);flex-direction:column;gap:0;padding:.5rem 16px 1rem}
  .nav ul.open{display:flex}
  .nav ul a{display:block;padding:.6rem 0;font-size:1rem}
  #menuBtn{display:inline-block}
}

/* hero */
.hero{display:grid;grid-template-columns:1.1fr 1fr;gap:2.5rem;align-items:center;padding:3.5rem 0 2.5rem}
.hero img{border-radius:14px;aspect-ratio:4/3;object-fit:cover;width:100%}
.hero .lead{font-size:1.15rem;color:var(--ink-2);max-width:34rem}
.hero .cta{display:flex;gap:.75rem;flex-wrap:wrap;margin-top:1.25rem}
@media (max-width:760px){.hero{grid-template-columns:1fr;padding:2rem 0 1.5rem}.hero img{order:-1}}

.strip{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;padding:1.5rem 0 2.5rem;border-top:1px solid var(--line)}
.strip div{display:flex;gap:.7rem;align-items:flex-start}
.strip svg{flex:0 0 22px;width:22px;height:22px;stroke:var(--accent);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;margin-top:3px}
.strip p{margin:0;font-size:.95rem}

section{padding:3.25rem 0}
section.alt{background:var(--bg-2)}
.section-head{max-width:40rem;margin-bottom:1.75rem}

/* cards */
.grid{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:1.25rem;box-shadow:var(--shadow)}
.card svg{width:32px;height:32px;stroke:var(--accent);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;margin-bottom:.75rem}
.card p,.card li{color:var(--ink-2);font-size:.95rem}
.card p:last-child,.card ul:last-child{margin-bottom:0}
.card ul{padding-left:1.1rem}

/* steps */
.steps{counter-reset:s;display:grid;gap:1.25rem;grid-template-columns:repeat(auto-fit,minmax(230px,1fr))}
.step{position:relative;padding-left:3rem}
.step::before{counter-increment:s;content:counter(s);position:absolute;left:0;top:0;width:2.2rem;height:2.2rem;border-radius:50%;background:var(--accent);color:var(--accent-ink);display:grid;place-items:center;font-weight:700}
.step p{color:var(--ink-2);font-size:.95rem;margin-bottom:.5rem}

/* split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:2.5rem;align-items:center}
.split img{border-radius:14px;aspect-ratio:1/1;object-fit:cover;width:100%}
.split.wide img{aspect-ratio:4/3}
@media (max-width:760px){.split{grid-template-columns:1fr}}

/* checklist */
.check{list-style:none;padding:0;margin:0 0 1rem;display:grid;gap:.6rem}
.check li{display:flex;gap:.6rem;align-items:flex-start;margin:0}
.check li::before{content:"";flex:0 0 18px;height:18px;margin-top:4px;border-radius:4px;background:var(--accent);
  -webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M20 6 9 17l-5-5' fill='none' stroke='%23000' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/contain no-repeat;
  mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M20 6 9 17l-5-5' fill='none' stroke='%23000' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/contain no-repeat}

/* labs table wrapper */
.tablewrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px;background:var(--card)}
.tablewrap table{min-width:640px}
.tablewrap td:first-child{font-weight:600;white-space:nowrap}

/* red flags */
.flags{display:grid;gap:.75rem;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.flag{border-left:4px solid var(--warn);background:var(--warn-soft);padding:.9rem 1rem;border-radius:0 10px 10px 0}
.flag h4{margin-bottom:.25rem;color:var(--warn)}
.flag p{margin:0;font-size:.93rem}

/* notice */
.notice{border-left:4px solid var(--warn);background:var(--warn-soft);padding:1rem 1.25rem;border-radius:0 10px 10px 0}
.notice strong{color:var(--warn)}
.note{border-left:4px solid var(--accent);background:var(--accent-soft);padding:1rem 1.25rem;border-radius:0 10px 10px 0}

/* faq */
details{border:1px solid var(--line);border-radius:10px;background:var(--card);margin-bottom:.6rem}
summary{cursor:pointer;padding:.9rem 1rem;font-weight:600;list-style:none;display:flex;justify-content:space-between;gap:1rem}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";color:var(--accent);font-weight:700}
details[open] summary::after{content:"–"}
details .body{padding:0 1rem 1rem;color:var(--ink-2);font-size:.95rem}
details .body p:last-child{margin-bottom:0}

/* form */
form{display:grid;gap:.9rem;max-width:560px}
label{font-weight:600;font-size:.95rem;display:grid;gap:.35rem}
input,textarea,select{width:100%;padding:.7rem .8rem;border:1px solid var(--line);border-radius:8px;background:var(--card);color:var(--ink);font:inherit}
textarea{min-height:150px;resize:vertical}
.contact{display:grid;grid-template-columns:1fr 1fr;gap:2.5rem}
@media (max-width:760px){.contact{grid-template-columns:1fr}}
.contact-side p{margin:0 0 .6rem}

footer{border-top:1px solid var(--line);padding:2rem 0;font-size:.88rem;color:var(--ink-2)}
footer .cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.5rem;margin-bottom:1.5rem}
footer ul{list-style:none;padding:0;margin:0}
footer a{color:var(--ink-2)}
footer .legal{border-top:1px solid var(--line);padding-top:1rem}

.mt1{margin-top:1rem}.mt125{margin-top:1.25rem}.m0{margin:0}