/**
 * Tubanharon visual system: deep petroleum, mineral white, and restrained mint.
 * Units are relative, text remains readable at enlargement, and layouts collapse
 * by available width. Motion honors the visitor's reduced-motion preference.
 */
:root{--ink:#10292e;--deep:#0b2025;--mint:#a6e0ce;--mint-dark:#235b50;--paper:#fff;--soft:#f2f5f4;--line:#d8e1de;--muted:#52635f;--accent:#b25b36;--max:1280px;--font:Arial,Helvetica,sans-serif;--display:'Trebuchet MS',Arial,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font);font-size:1rem;line-height:1.65;-webkit-font-smoothing:antialiased}button,input,textarea,select{font:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}button{cursor:pointer}img{max-width:100%;display:block}p{margin:0 0 1.2rem}h1,h2,h3,h4{font-family:var(--display);line-height:1.1;margin:0;font-weight:500;letter-spacing:-.045em}h2{font-size:clamp(2.3rem,4.05vw,3.8rem)}h3{font-size:1.6rem}h4{font-size:1.15rem}button{color:inherit}a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,[tabindex]:focus-visible{outline:3px solid #bd673e;outline-offset:5px}::selection{background:var(--mint);color:var(--deep)}[hidden]{display:none!important}.container{width:min(var(--max),calc(100% - 96px));margin-inline:auto}.section{padding:110px 0}.eyebrow{font-size:.76rem;font-weight:700;letter-spacing:.16em;line-height:1.5;margin:0 0 1.8rem}.button{display:inline-flex;justify-content:center;align-items:center;padding:.95rem 1.5rem;background:var(--ink);color:white;border:1px solid var(--ink);border-radius:3px;font-size:.94rem;font-weight:600;line-height:1.4;min-height:48px;transition:background .2s,transform .2s;text-align:center}.button:hover{background:#28444a;transform:translateY(-2px)}.button.mint{background:var(--mint);color:var(--ink);border-color:var(--mint)}.button.mint:hover{background:#c5f1e4}.button.outline{background:transparent;color:var(--ink)}.button.outline:hover{background:var(--soft)}.button.small{padding:.7rem 1rem;min-height:44px;font-size:.88rem}.text-link{border:0;border-bottom:1px solid currentColor;background:none;padding:.3rem 0;font-size:.92rem;font-weight:600;line-height:1.6;display:inline-block}.text-link:hover{color:var(--mint-dark)}.text-link.light:hover{color:var(--mint)}.skip{position:fixed;left:1rem;top:-100px;padding:1rem;background:white;z-index:2000}.skip:focus{top:1rem}
/* Masthead and language navigation. */
.site-header{position:sticky;top:0;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);z-index:100}.header-inner{height:92px;display:flex;align-items:center;justify-content:space-between;gap:2rem}.brand{display:flex;flex-direction:column;line-height:1}.brand-name{font-size:2rem;font-weight:700;letter-spacing:-.075em}.brand-period{color:#418272}.brand-line{font-size:.75rem;letter-spacing:.22em;font-weight:700;margin-top:.45rem}.desktop-nav{display:flex;gap:1.8rem;margin-left:auto}.desktop-nav a{font-size:.88rem;position:relative;padding:.5rem 0}.desktop-nav a[aria-current],.desktop-nav a:hover{color:var(--mint-dark)}.desktop-nav a[aria-current]:after{content:'';height:2px;background:var(--mint-dark);position:absolute;bottom:0;left:0;right:0}.header-actions{display:flex;align-items:center;gap:1.6rem}.language{display:flex;align-items:center;gap:.5rem;font-size:.78rem;letter-spacing:.04em}.language a{padding:.5rem .1rem;color:var(--muted)}.language a[aria-current]{color:var(--ink);font-weight:700;border-bottom:2px solid var(--ink)}.language span{color:#81918e}.menu-toggle{display:none;background:transparent;border:1px solid var(--line);width:44px;height:44px;padding:10px}.menu-toggle span{display:block;height:1px;background:var(--ink);margin:6px 0}.mobile-nav{padding:0 24px 20px;background:white;border-top:1px solid var(--line)}.mobile-nav a{display:block;padding:12px;border-bottom:1px solid var(--line)}
/* Portrait-led opening; geometry is structural, not a fabricated process image. */
.hero{background:var(--deep);color:white;overflow:hidden}.hero-grid{display:grid;grid-template-columns:1.2fr .85fr;gap:5rem;align-items:center;padding-top:66px;padding-bottom:58px}.hero-copy{position:relative;z-index:1}.hero .eyebrow{color:var(--mint);font-size:.75rem;margin-bottom:2.2rem}.hero h1{font-size:clamp(2.9rem,4.65vw,4.8rem);line-height:1.08;letter-spacing:-.055em}.hero h1 span{color:var(--mint)}.hero-intro{max-width:570px;font-size:1.12rem;line-height:1.8;color:#c7d4d2;margin-top:1.8rem;margin-bottom:1.9rem}.hero-ctas{display:flex;align-items:center;gap:1.5rem;flex-wrap:wrap}.hero-meta{margin-top:3rem;display:flex;flex-wrap:wrap;gap:.3rem 1.5rem;font-size:.77rem;color:#a6b9b6}.hero-meta span+span{padding-left:1.5rem;border-left:1px solid #4d6262}.hero-portrait{margin:0;position:relative;align-self:stretch;min-height:570px;max-height:650px;overflow:hidden;border-radius:3px}.hero-portrait img{width:100%;height:100%;position:absolute;object-fit:cover;object-position:50% 40%}.hero-portrait:after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 58%,rgba(11,32,37,.94) 100%);pointer-events:none}.hero-portrait figcaption{position:absolute;bottom:28px;left:30px;right:24px;z-index:2;font-size:.8rem;color:#d1e3de;line-height:1.6}.hero-portrait figcaption strong{display:block;font-family:var(--display);font-size:1.45rem;color:white;letter-spacing:-.035em;margin:.4rem 0}.hero-portrait figcaption strong span{font-size:1rem;font-family:var(--font);letter-spacing:0}.portrait-small{font-size:.75rem;letter-spacing:.07em}.portrait-corner{position:absolute;right:20px;top:20px;width:32px;height:32px;border-right:1px solid #d2e9e0;border-top:1px solid #d2e9e0;opacity:.8}.proof{border-top:1px solid #31464a;display:grid;grid-template-columns:1fr 1.2fr 1fr;padding:30px 0 36px;gap:3rem}.proof>div{display:flex;gap:1.1rem;align-items:center}.proof strong{font-family:var(--display);font-size:1.85rem;font-weight:500;letter-spacing:-.04em;white-space:nowrap}.proof span{font-size:.8rem;color:#a9bcb9;line-height:1.5;max-width:190px}.bridge{border-bottom:1px solid var(--line)}.bridge-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:8rem;align-items:end}.bridge h2{font-size:clamp(2rem,3.2vw,3rem);max-width:680px;line-height:1.15}.bridge-grid>p{font-size:1.02rem;color:var(--muted);margin-bottom:.1rem;line-height:1.9}.section-heading{display:grid;grid-template-columns:1.3fr 1fr;gap:6rem;align-items:end;margin-bottom:3.6rem}.section-heading>p{color:var(--muted);max-width:400px;margin:0 0 .2rem;line-height:1.8}
/* Expertise tabs progressively enhance six visible articles. */
.expertise{background:var(--soft)}.expertise-layout{display:grid;grid-template-columns:1fr 1.25fr;gap:4rem;align-items:start}.expertise-select{display:flex;flex-direction:column;border-top:1px solid var(--line)}.expertise-tab{display:flex;align-items:center;gap:1.5rem;width:100%;text-align:left;padding:1.55rem .3rem;background:transparent;border:0;border-bottom:1px solid var(--line);font-family:var(--display);font-size:1.23rem;line-height:1.35;letter-spacing:-.025em;transition:background .2s,padding .2s}.tab-number{font-family:var(--font);font-size:.75rem;letter-spacing:0;color:var(--muted)}.tab-mark{margin-left:auto;font-size:1.6rem;font-weight:300}.expertise-tab[aria-selected=true]{background:var(--ink);color:white;padding-inline:1.25rem}.expertise-tab[aria-selected=true] .tab-number{color:var(--mint)}.expertise-tab[aria-selected=true] .tab-mark{color:var(--mint);transform:rotate(45deg)}.expertise-panel{background:white;border:1px solid var(--line);padding:3rem;min-height:516px;position:relative;margin-bottom:1rem;overflow:hidden}.expertise-panel h3{font-size:2.1rem;max-width:400px;margin-bottom:1.5rem}.expertise-panel>p:not(.panel-kicker){color:var(--muted);position:relative}.panel-kicker{font-size:.76rem;font-weight:700;letter-spacing:.06em;color:var(--mint-dark);margin-bottom:1.1rem}.panel-index{position:absolute;right:1.4rem;top:.3rem;font-family:var(--display);font-size:5rem;letter-spacing:-.09em;color:#edf2f0;line-height:1;pointer-events:none}.tags{display:flex;flex-wrap:wrap;gap:.5rem;margin:1.5rem 0}.tags span{padding:.35rem .65rem;border:1px solid var(--line);border-radius:2px;font-size:.76rem;line-height:1.4}.deliver{padding-top:1.4rem;border-top:1px solid var(--line);margin-top:1.8rem}.deliver h4{font-family:var(--font);letter-spacing:0;font-weight:700;font-size:.79rem;margin-bottom:.7rem}.deliver p{font-size:.94rem;color:var(--muted)}
/* Portfolio deliberately labels relationships rather than implying endorsement. */
.portfolio-tools{display:flex;justify-content:space-between;align-items:center;gap:1.5rem;margin-bottom:2rem}.filters{display:flex;flex-wrap:wrap;gap:.55rem}.filter{padding:.55rem 1rem;min-height:44px;border:1px solid var(--line);background:white;border-radius:30px;font-size:.83rem;transition:background .2s}.filter.active{background:var(--ink);color:white;border-color:var(--ink)}.filter:hover:not(.active){background:var(--soft)}.result-count{font-size:.75rem;color:var(--muted);white-space:nowrap}.case-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.3rem;align-items:start}.case-card{padding:1.8rem;border:1px solid var(--line);background:white;min-height:370px;display:flex;flex-direction:column;transition:border-color .2s}.case-card:hover{border-color:#769e91}.case-top{display:flex;align-items:start;justify-content:space-between;gap:.9rem;min-height:32px}.case-type{font-size:.75rem;color:var(--muted);font-weight:700;letter-spacing:.075em;line-height:1.55}.case-number{font-size:.75rem;color:#667c76}.case-name{font-family:var(--display);font-size:1.75rem;letter-spacing:-.045em;margin:1.1rem 0 1.6rem;font-weight:700}.case-card h3{font-size:1.25rem;line-height:1.27;margin-bottom:1rem;letter-spacing:-.025em}.case-card>p:not(.case-name){font-size:.92rem;line-height:1.75;color:var(--muted)}.case-details{margin-top:auto}.case-details summary{cursor:pointer;list-style:none;border-top:1px solid var(--line);padding-top:1rem;display:flex;justify-content:space-between;align-items:center;font-size:.78rem;font-weight:700;gap:1rem;min-height:44px}.case-details summary::-webkit-details-marker,.step summary::-webkit-details-marker{display:none}.case-details summary span{font-size:1.3rem;font-weight:400}.case-details[open] summary span{transform:rotate(45deg)}.case-details-body{padding-top:1.2rem;font-size:.88rem;color:var(--muted)}.case-details-body h4{font-family:var(--font);font-size:.76rem;letter-spacing:0;font-weight:700;color:var(--ink);margin:0 0 .65rem}.case-details-body p{margin-bottom:1.2rem}.portfolio-note{font-size:.76rem;color:var(--muted);max-width:900px;margin:1.8rem 0 0;line-height:1.75}
/* Working method and local interactive advisory selector. */
.approach{background:var(--ink);color:white}.approach .section-heading>p{color:#baccc7}.approach .eyebrow{color:var(--mint)}.steps{border-top:1px solid #40585b}.step{border-bottom:1px solid #40585b}.step summary{display:flex;list-style:none;align-items:center;cursor:pointer;padding:1.4rem 0;gap:2rem}.step-number{font-size:.75rem;color:var(--mint);width:3rem}.step summary>span:nth-child(2){display:flex;align-items:center;gap:3rem;width:100%}.step summary strong{font-family:var(--display);font-size:1.5rem;letter-spacing:-.035em;min-width:240px;font-weight:500}.step-question{font-size:.91rem;color:#baccc7}.step-plus{font-size:1.5rem;font-weight:300}.step[open] .step-plus{transform:rotate(45deg)}.step-body{margin-left:5rem;padding:0 0 1.8rem;display:grid;grid-template-columns:1.4fr 1fr;gap:4rem;color:#c6d4d1;font-size:.95rem}.step-body p{margin:0}.step-deliverable{border-left:1px solid var(--mint);padding-left:1.5rem;color:var(--mint)}.fit{margin-top:5rem;border:1px solid #4a6465;display:grid;grid-template-columns:1fr 1fr;gap:4rem;padding:3rem}.fit h3{font-size:2rem;max-width:350px}.fit .eyebrow{font-size:.75rem;margin-bottom:1.2rem}.fit-options{display:flex;flex-direction:column;gap:.7rem;margin-top:2rem;align-items:start}.fit-options button{min-height:46px;padding:.7rem 1rem;border:1px solid #647c7b;background:transparent;color:#d7e3e0;font-size:.9rem;border-radius:3px;text-align:left}.fit-options button[aria-pressed=true]{background:var(--mint);border-color:var(--mint);color:var(--ink)}.fit-result{border-left:1px solid #40585b;padding-left:3rem}.fit-caption{font-size:.75rem;letter-spacing:.12em;color:#acbfb9}.fit-result h4{font-size:1.55rem;margin:1rem 0}.fit-result p,.fit-result li{font-size:.91rem;color:#c5d5d0}.fit-result ul{padding-left:1.1rem;margin-bottom:1.8rem}.fit-result li{padding-left:.25rem;margin-bottom:.45rem}.fit-result li::marker{color:var(--mint)}
/* Senior advisor biography, credentials, and dated history. */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:7rem}.about .lead{font-size:1.17rem;line-height:1.8;margin-top:2rem}.about-intro>p:not(.lead):not(.eyebrow){color:var(--muted);line-height:1.8}.institutions{margin:2.4rem 0}.institutions h3{font-family:var(--font);font-size:.75rem;letter-spacing:.07em;font-weight:700;margin-bottom:1rem;text-transform:uppercase}.institutions p{font-size:.88rem;margin:0;padding:.65rem 0;border-top:1px solid var(--line)}.institutions p:last-child{border-bottom:1px solid var(--line)}.timeline{padding-top:.2rem}.timeline-item{display:grid;grid-template-columns:92px 1fr;gap:1rem;padding:0 0 1.9rem;position:relative}.timeline-item>span{font-size:.78rem;color:var(--mint-dark);font-weight:700;padding-top:.05rem}.timeline-item>div{border-left:1px solid var(--line);padding-left:1.7rem;position:relative}.timeline-item>div:before{content:'';position:absolute;width:7px;height:7px;background:var(--ink);border:3px solid white;box-sizing:content-box;left:-7px;top:3px}.timeline-item h3{font-size:1.08rem;letter-spacing:-.015em;margin-bottom:.55rem;line-height:1.3}.timeline-item p{font-size:.89rem;color:var(--muted);margin:0;line-height:1.7}.frontiers{background:var(--soft);border-top:1px solid var(--line)}.research-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:3rem}.research-grid article{border-top:1px solid var(--ink);padding-top:1.4rem}.research-number{font-family:var(--display);font-size:2.3rem;font-weight:400;color:#7f9590;letter-spacing:-.05em}.research-type{font-size:.75rem;letter-spacing:.11em;font-weight:700;margin:1.6rem 0 .9rem;color:var(--mint-dark)}.research-grid h3{font-size:1.45rem;line-height:1.2;min-height:2.7rem;margin-bottom:1.1rem}.research-grid article>p:last-child{font-size:.91rem;color:var(--muted);line-height:1.85}.references{margin-top:4rem;padding-top:2.6rem;border-top:1px solid var(--line);display:grid;grid-template-columns:1fr 1.2fr;gap:4rem}.references h3{font-size:1.45rem;margin-bottom:.8rem}.references p{max-width:370px;font-size:.88rem;color:var(--muted)}.reference-links{display:grid;grid-template-columns:1fr 1fr;column-gap:2rem;align-content:start}.reference-links a{display:block;border-bottom:1px solid var(--line);padding:.65rem 0;font-size:.81rem;line-height:1.5}.reference-links a:hover{color:var(--mint-dark);border-color:var(--mint-dark)}
/* Contact drafts are browser-local; no remote form processing. */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:6rem}.contact h2{font-size:clamp(2.4rem,3.6vw,3.4rem)}.contact-intro{margin-top:2rem;max-width:440px;color:var(--muted)}.contact-links{display:flex;flex-direction:column;align-items:start;gap:.5rem;margin:2rem 0;font-size:1.1rem}.contact-links a{border-bottom:1px solid var(--line);overflow-wrap:anywhere}.contact-links a:hover{color:var(--mint-dark);border-color:var(--mint-dark)}.contact-links a:last-child{font-size:.88rem;margin-top:.5rem}.contact-location{font-size:.89rem;color:var(--muted);line-height:1.8}.confidentiality{max-width:370px;font-size:.8rem;line-height:1.8;padding-top:1.2rem;border-top:1px solid var(--line);color:var(--muted);margin-top:2.3rem}.form-card{padding:2.1rem;background:var(--soft);border:1px solid var(--line)}.form-card h3{font-size:1.5rem;margin-bottom:1.7rem}.form-card label{display:block;font-size:.78rem;font-weight:600;margin-bottom:1rem;line-height:1.5}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}input,textarea,select{display:block;width:100%;max-width:100%;background:white;color:var(--ink);border:1px solid #b8c9c3;border-radius:2px;margin-top:.45rem;padding:.8rem;font-size:1rem;line-height:1.4;font-weight:400;min-height:45px}textarea{resize:vertical}.form-hint{font-size:.75rem;color:var(--muted);line-height:1.7;margin-bottom:1.1rem}.form-card .button{width:100%;margin-bottom:1rem}.form-card .form-hint:last-child{margin-bottom:0}.email-actions{display:flex;align-items:center;gap:1rem;flex-wrap:wrap;margin-top:1rem}.email-actions .button{width:auto;margin:0}.email-actions .text-link{font-size:.8rem}.email-actions+p{font-size:.8rem;margin-top:.7rem}#email-output{border-top:1px solid var(--line);padding-top:1.5rem;margin-top:1.5rem}#email-output>p{font-size:.9rem}#email-preview{font-size:.85rem;background:white}
/* Footer, supporting pages, and publication-friendly print styles. */
.site-footer{background:var(--soft);border-top:1px solid var(--line);padding:3rem 0 1.5rem}.footer-top{display:grid;grid-template-columns:1.1fr 1fr auto;gap:3rem;align-items:center}.original-logo{width:225px;height:auto;background:white;border-radius:3px;padding:6px}.footer-top p{font-size:.75rem;color:var(--muted);margin:.7rem 0 0}.footer-top strong{font-size:.78rem;font-weight:600}.footer-top>div:last-child{display:flex;flex-direction:column;gap:.7rem;font-size:.78rem}.footer-bottom{display:flex;justify-content:space-between;border-top:1px solid var(--line);margin-top:2.5rem;padding-top:1.4rem;font-size:.75rem;color:var(--muted);gap:2rem}.footer-bottom span:last-child{letter-spacing:.13em;font-size:.75rem}.prose{max-width:850px;min-height:65vh}.prose h1{font-size:clamp(2.6rem,5vw,4rem);margin-bottom:2rem}.prose>p{line-height:1.9;color:var(--muted)}.prose>.button{margin-top:1.5rem}
/* Progressive enhancement: without JS, expose all expertise articles and rely
 * on the explicit email link; hide controls that require scripting. */
html:not(.js) .expertise-select,html:not(.js) .filters,html:not(.js) .fit-options,html:not(.js) #contact-form,html:not(.js) .menu-toggle{display:none}html:not(.js) .expertise-layout{grid-template-columns:1fr}html:not(.js) .expertise-panels{display:grid;grid-template-columns:1fr 1fr;gap:1rem}html:not(.js) .desktop-nav{display:flex}
@media(min-width:1500px){.hero-grid{gap:7rem}.hero-portrait{min-height:620px}}
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