:root{--ink:#172126;--muted:#59666b;--petrol:#0f5c62;--petrol2:#14767b;--paper:#f5f3ed;--white:#fff;--line:#d9dfdd;--max:1120px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:var(--white);line-height:1.6}a{color:var(--petrol);text-decoration:none}a:hover{text-decoration:underline}.wrap{max-width:var(--max);margin:auto;padding:0 28px}header{border-bottom:1px solid var(--line);background:#fff;position:sticky;top:0;z-index:10}.nav{height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{font-weight:800;letter-spacing:.08em;color:var(--ink)}.brand span{color:var(--petrol)}nav a{margin-left:24px;color:var(--ink);font-size:.95rem}.hero{background:linear-gradient(120deg,#10262a,#0f5c62);color:#fff;padding:96px 0 88px}.eyebrow{text-transform:uppercase;letter-spacing:.14em;font-size:.78rem;font-weight:700;opacity:.82}.hero h1{font-size:clamp(2.6rem,6vw,5.4rem);line-height:1.02;margin:.18em 0}.hero p{max-width:760px;font-size:1.25rem;color:#e8f1ef}.button{display:inline-block;margin-top:18px;padding:13px 19px;border-radius:3px;background:#fff;color:#12383c;font-weight:700}.button.alt{background:var(--petrol);color:#fff}.section{padding:72px 0}.section.soft{background:var(--paper)}h2{font-size:clamp(1.8rem,3vw,2.6rem);line-height:1.15;margin:0 0 24px}h3{line-height:1.25}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}.card{border:1px solid var(--line);padding:30px;background:#fff}.booktag{font-size:.8rem;text-transform:uppercase;letter-spacing:.1em;color:var(--petrol);font-weight:700}.quote{border-left:4px solid var(--petrol);padding:6px 0 6px 22px;font-size:1.18rem}.tools{columns:2;column-gap:40px;padding-left:20px}.tools li{margin:0 0 8px;break-inside:avoid}.small{font-size:.9rem;color:var(--muted)}footer{background:#152126;color:#d9e0df;padding:38px 0}footer a{color:#fff}.pagehead{padding:70px 0 54px;background:var(--paper)}.pagehead h1{font-size:clamp(2.2rem,5vw,4.3rem);line-height:1.05;margin:.15em 0}.downloadbox{border:2px solid var(--petrol);padding:28px;background:#fff}.phase{margin-top:34px}.notice{background:#eef4f3;border-left:4px solid var(--petrol);padding:16px 20px}@media(max-width:760px){.grid{grid-template-columns:1fr}.tools{columns:1}nav{display:none}.hero{padding:70px 0}.wrap{padding:0 20px}}