:root{--bg: #f7f5ef;--surface: #ffffff;--surface-muted: #ebe7dc;--text: #1d2525;--muted: #5f6d69;--line: #d9d4c8;--accent: #1f756b;--accent-dark: #15534c;--ink-soft: #33403d;color-scheme:light;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);line-height:1.6}img{display:block;max-width:100%}a{color:var(--accent-dark);text-underline-offset:.18em}a:hover{color:#0d3833}.container{width:min(1120px,calc(100% - 40px));margin-inline:auto}.skip-link{position:absolute;left:16px;top:-80px;z-index:10;padding:10px 14px;background:var(--text);color:#fff;border-radius:4px}.skip-link:focus{top:16px}.site-header{position:sticky;top:0;z-index:5;border-bottom:1px solid rgba(29,37,37,.08);background:#f7f5eff0;backdrop-filter:blur(14px)}.nav,.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px}.brand{color:var(--text);font-weight:750;text-decoration:none}.nav-links,.footer-links,.actions{display:flex;align-items:center;flex-wrap:wrap;gap:10px 18px}.nav-links a,.footer-links a{color:var(--ink-soft);font-size:.95rem;text-decoration:none}.nav-links a:hover,.footer-links a:hover{color:var(--accent-dark)}.hero{padding:58px 0 46px}.hero-grid{display:grid;grid-template-columns:minmax(0,1.04fr) minmax(320px,.8fr);align-items:center;gap:52px}.eyebrow{margin:0 0 16px;color:var(--accent-dark);font-size:.82rem;font-weight:760;letter-spacing:0;text-transform:uppercase}h1,h2,h3{margin:0;line-height:1.08;letter-spacing:0}h1{max-width:900px;font-size:2.7rem}h2{font-size:clamp(2rem,4.2vw,3.2rem)}h3{font-size:1.12rem}.lead{max-width:760px;margin:24px 0 0;color:var(--ink-soft);font-size:clamp(1.08rem,1.8vw,1.28rem)}.button,.text-link{display:inline-flex;align-items:center;justify-content:center;min-height:44px;border-radius:6px;font-weight:720}.button{margin-top:30px;padding:0 18px;background:var(--accent);color:#fff;text-decoration:none}.button:hover{background:var(--accent-dark);color:#fff}.text-link{margin-top:30px;color:var(--accent-dark)}.hero-media{overflow:hidden;border:1px solid var(--line);border-radius:8px;background:var(--surface);box-shadow:0 22px 70px #1d25251c}.hero-media img{width:100%;aspect-ratio:4 / 5;object-fit:cover;object-position:center top}.proof-row{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;margin-top:28px;border:1px solid var(--line);background:var(--line)}.quote-panel{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:24px;margin:38px 0 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:22px 0}.quote-panel blockquote{margin:0;color:var(--ink-soft);font-size:clamp(1.08rem,2vw,1.36rem);line-height:1.45}.quote-panel figcaption{color:var(--muted);font-size:.95rem;white-space:nowrap}.proof-item{min-height:104px;padding:18px;background:#ffffff8c}.proof-item strong{display:block;margin-bottom:6px;font-size:1.05rem}.proof-item span{color:var(--muted);font-size:.96rem}.book-feature{display:grid;grid-template-columns:150px minmax(0,1fr);align-items:center;gap:28px;margin-top:28px;border:1px solid var(--line);border-radius:8px;background:#ffffffb8;padding:22px}.book-feature img{width:100%;border-radius:4px;box-shadow:0 14px 34px #1d252529}.book-feature .eyebrow{margin-bottom:10px}.book-feature h2{max-width:720px;font-size:clamp(1.6rem,2.8vw,2.2rem)}.book-feature p:not(.eyebrow){max-width:760px;margin:14px 0 0;color:var(--muted)}.book-link{margin-top:14px}.section{padding:72px 0}.section.alt{background:var(--surface-muted)}.section-heading{display:grid;grid-template-columns:minmax(220px,.7fr) minmax(0,1fr);gap:40px;margin-bottom:36px}.section-heading p{max-width:680px;margin:0;color:var(--muted);font-size:1.08rem}.service-grid,.principle-grid,.experience-grid{display:grid;gap:16px}.service-grid{grid-template-columns:repeat(3,1fr)}.principle-grid{grid-template-columns:repeat(2,1fr)}.experience-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.card{border:1px solid var(--line);border-radius:8px;background:#ffffffb8;padding:24px}.card p{margin:12px 0 0;color:var(--muted)}.principle-card{min-height:180px}.experience-card{min-height:310px}.client-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:22px}.client-logo{display:grid;min-height:86px;place-items:center;border:1px solid var(--line);border-radius:8px;background:#fbfaf6;padding:18px}.client-logo img{display:block;width:100%;max-width:150px;max-height:52px;object-fit:contain}.client-logo.slb img{max-height:64px}.client-logo.cn img{max-width:118px}.industry-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:20px 0 0;padding:0;list-style:none}.industry-list li{border:1px solid var(--line);border-radius:999px;padding:8px 12px;background:#fbfaf6;color:var(--ink-soft);font-size:.94rem}.remote-note{display:grid;grid-template-columns:minmax(220px,.45fr) minmax(0,1fr);gap:24px;margin-top:16px;border:1px solid var(--line);border-radius:8px;background:#ffffff9e;padding:22px 24px}.remote-note strong{color:var(--text);font-size:1.05rem}.remote-note span{color:var(--muted)}.archive-callout{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:28px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:34px 0}.archive-callout p{margin:10px 0 0;color:var(--muted)}.page-header{padding:70px 0 38px}.page-header p{max-width:760px}.archive-list{display:grid;gap:1px;border:1px solid var(--line);background:var(--line)}.archive-post{display:grid;grid-template-columns:150px minmax(0,1fr);gap:20px;padding:18px 20px;background:#ffffffb3;text-decoration:none}.archive-post time{color:var(--muted);font-size:.94rem}.archive-post strong{color:var(--text)}.post-shell{max-width:820px;padding:64px 0}.post-meta{margin:14px 0 28px;color:var(--muted)}.post-content{font-size:1.05rem}.post-content h2,.post-content h3{margin-top:2em}.post-content p,.post-content ul,.post-content ol{margin:1.1em 0}.post-content pre{overflow-x:auto;padding:16px;border-radius:8px;background:#202827;color:#f8f6ef}.contact-panel{display:grid;gap:16px;max-width:680px;margin-bottom:72px}.contact-row{display:flex;justify-content:space-between;gap:24px}.site-footer{border-top:1px solid var(--line)}.site-footer p{margin:0;color:var(--muted)}@media(max-width:860px){.nav,.footer-inner,.archive-callout,.quote-panel,.section-heading,.hero-grid{grid-template-columns:1fr}.nav,.footer-inner{align-items:flex-start;padding:18px 0}.proof-row,.book-feature,.service-grid,.principle-grid,.experience-grid,.remote-note{grid-template-columns:1fr}.book-feature img{max-width:150px}.hero{padding-top:56px}}@media(max-width:560px){.container{width:min(100% - 28px,1120px)}h1{font-size:2.35rem}.archive-post,.contact-row{grid-template-columns:1fr;display:grid;gap:4px}}