:root{color-scheme:dark;--bg:#081c18;--panel:#112f28;--cream:#f0eee3;--gold:#e3b46d;--line:#36554b}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--cream);font:16px/1.75 system-ui,Arial,sans-serif}header,footer{display:flex;align-items:center;justify-content:space-between;gap:25px;flex-wrap:wrap;padding:18px max(5vw,22px);background:#071913;border-bottom:1px solid var(--line)}.brand{font:700 24px Georgia,serif;letter-spacing:.1em}.brand small{display:block;font:9px system-ui;letter-spacing:.15em;color:var(--gold)}nav{display:flex;gap:22px;flex-wrap:wrap}a{color:inherit}nav a{text-decoration:none;font-size:13px}nav a:hover,a:hover{color:var(--gold)}.hero{padding:100px max(5vw,22px) 70px;background:radial-gradient(ellipse at 90% 0%,#175647,transparent 55%)}main{max-width:1550px;margin:auto}h1,h2,h3{font-family:Georgia,serif;font-weight:400;line-height:1.15}h1{font-size:clamp(43px,6.2vw,92px);margin:25px 0}h2{font-size:clamp(34px,4vw,55px);margin:15px 0 30px}h3{font-size:26px}h1 em,h2 em{font-style:normal;color:var(--gold)}.eyebrow{font-size:11px;letter-spacing:.22em;font-weight:700;color:var(--gold)}.lead{font-size:19px;max-width:880px;color:#c9ded2}.lead.small{font-size:16px}.buttons{display:flex;gap:22px;align-items:center;flex-wrap:wrap;margin:32px 0}.btn{display:inline-block;background:var(--gold);color:#11221a;text-decoration:none;padding:12px 22px;border-radius:6px;font-weight:700}.summary{display:flex;gap:15px;flex-wrap:wrap;margin-top:55px}.summary div{min-width:150px;flex:1;border-top:1px solid var(--line);padding:22px 0}.summary strong{display:block;font:44px Georgia,serif;color:var(--gold)}.summary span{font-size:12px;color:#b7cdc1}.section{padding:75px max(5vw,22px);border-top:1px solid #234338}.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:36px}.cards article{border:1px solid var(--line);border-radius:12px;padding:28px;background:var(--panel)}.cards article>span{color:var(--gold);font-size:11px;letter-spacing:.13em}.cards article p{color:#c5d8cc}.cards dl{display:grid;grid-template-columns:130px 1fr;gap:9px;font-size:13px}.cards dt{color:var(--gold)}.cards dd{margin:0}.dark{background:#0e3128}.calc{display:flex;gap:20px;align-items:end;flex-wrap:wrap;padding:28px;border:1px solid #577968;border-radius:12px;margin:30px 0}.calc label{font-size:12px}.calc input,.calc select{padding:12px;background:#07251e;color:white;border:1px solid #638473;border-radius:5px;max-width:300px}.calc strong{display:block;font:32px Georgia,serif;color:var(--gold)}.calc small{font-size:12px}.note{color:#a9c4b6;font-size:12px;line-height:1.8}.measure{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}.measure>div{padding:22px;border:1px solid var(--line);border-radius:10px}.measure b{color:var(--gold)}.compare{display:grid;grid-template-columns:1fr 1fr;gap:16px}.compare div{padding:25px;background:#143b30;border-radius:10px}.compare span{color:var(--gold);font-size:12px;font-weight:bold}.steps{counter-reset:step;padding:0;list-style:none;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}.steps li{border-top:2px solid var(--gold);padding:15px 6px}.steps li strong{color:var(--gold)}.steps li p{font-size:13px}.gate-list{display:grid;grid-template-columns:1fr 1fr;gap:5px 24px}.gate-list b{color:var(--gold)}.sources li{margin:12px 0}footer{font-size:12px;color:#bdd1c6}@media(max-width:800px){.cards,.measure,.compare,.gate-list{grid-template-columns:1fr}.steps{grid-template-columns:1fr 1fr}.hero{padding-top:65px}.cards dl{grid-template-columns:1fr}.cards dd{margin-bottom:8px}}@media(max-width:450px){.steps{grid-template-columns:1fr}.summary div{min-width:45%}}