:root{
  --bg:#e7ddc9; --paper:#faf5ea; --ink:#20251f; --muted:#6b6a5b;
  --hair:#d9d2c2; --accent:#3a5a40; --accent2:#b5713a;
  --display:"Fraunces",Georgia,serif;
  --body:"Source Serif 4",Georgia,serif;
  --sans:"Hanken Grotesk","Helvetica Neue",Arial,sans-serif;
}
html[data-theme="dark"]{
  --bg:#0f0e0b; --paper:#16140f; --ink:#ece5d6; --muted:#8a8372;
  --hair:#312d24; --accent:#9bb86f;
}
::selection{background:var(--accent);color:var(--paper);}
@keyframes revealUp{from{opacity:0;transform:translateY(22px);}to{opacity:1;transform:none;}}
@keyframes trailDraw{from{stroke-dashoffset:var(--len,800);}to{stroke-dashoffset:0;}}
@keyframes growY{from{transform:scaleY(0);}to{transform:scaleY(1);}}
@keyframes sunRise{0%,100%{opacity:.75;}50%{opacity:1;}}
@media (prefers-reduced-motion: reduce){*{animation:none !important;}}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  background:var(--bg); color:var(--ink);
  font-family:var(--body); font-size:18px; line-height:1.55;
  font-feature-settings:"onum" 1,"liga" 1;
  -webkit-font-smoothing:antialiased;
  transition:background .2s ease,color .2s ease;
}
.wrap{max-width:1100px;margin:0 auto;padding:0 28px;}
.label{font-family:var(--sans);font-weight:600;font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);}
em{font-style:italic;color:var(--accent);}
h1,h2,h3{font-family:var(--display);font-weight:600;color:var(--ink);}
a{color:var(--accent);}
/* fixed nav */
.nav{position:fixed;top:0;left:0;right:0;height:60px;display:flex;align-items:center;justify-content:space-between;padding:0 28px;background:color-mix(in srgb, var(--bg) 88%, transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--hair);z-index:50;}
.nav-logo{font-family:var(--display);font-size:1.15rem;color:var(--ink);text-decoration:none;}
.nav-logo::after{content:".";color:var(--accent);}
.nav-links{display:flex;gap:26px;align-items:center;list-style:none;margin:0;padding:0;}
.nav-links a{font-family:var(--sans);font-size:13px;letter-spacing:.04em;color:var(--muted);text-decoration:none;}
.nav-links a:hover{color:var(--accent);}
.nav-links a.nav-active{color:var(--accent);}
#themeToggle{font-family:var(--sans);font-size:12px;letter-spacing:.1em;text-transform:uppercase;background:none;border:1px solid var(--hair);color:var(--muted);padding:6px 12px;border-radius:4px;cursor:pointer;}
#themeToggle:hover{border-color:var(--accent);color:var(--accent);}
#navToggle{display:none;background:none;border:0;color:var(--ink);font-size:1.4rem;cursor:pointer;}
main{padding-top:60px;}
footer{border-top:1px solid var(--hair);margin-top:80px;padding:40px 0;}
@media(max-width:760px){
  .nav-links{position:absolute;top:60px;left:0;right:0;flex-direction:column;gap:0;background:var(--bg);border-bottom:1px solid var(--hair);display:none;}
  .nav-links.open{display:flex;}
  .nav-links li{padding:12px 28px;border-top:1px solid var(--hair);}
  #navToggle{display:block;}
}
/* section wrapper */
.section{padding:64px 0;border-top:1px solid var(--hair);}
.section-lead{font-family:var(--body);font-size:1.15rem;color:var(--muted);margin:14px 0 0;max-width:54ch;}
.operate-head{font-family:var(--display);font-weight:600;font-size:clamp(2.1rem,4.5vw,3.1rem);line-height:1.04;letter-spacing:-0.4px;margin:10px 0 0;color:var(--ink);}
/* hero summit ridge scene */
.hero-scene{width:100%;margin:40px 0 0;line-height:0;}
.hero-scene svg{display:block;width:100%;height:auto;max-height:320px;}
/* wayfinding glyphs + footer ridge */
.ico-sprite{position:absolute;width:0;height:0;overflow:hidden;}
.mk{display:inline-block;width:1.55em;height:0.84em;color:var(--accent);margin-right:0.55em;vertical-align:0.04em;}
.summit{display:inline-block;width:1.5em;height:1.04em;color:var(--accent);margin-right:0.5em;vertical-align:-0.12em;}
.footer-ridge{width:100%;line-height:0;}
.footer-ridge svg{display:block;width:100%;height:clamp(70px,8vw,110px);}
/* primitives / operate timeline */
.op-timeline{position:relative;margin-top:48px;padding-left:54px;}
.op-line{position:absolute;left:11px;top:10px;width:2px;height:calc(100% - 20px);background:linear-gradient(var(--accent),color-mix(in srgb, var(--accent) 35%, transparent));transform-origin:top;}
.op-grid{display:grid;gap:52px;}
.primitive{max-width:70ch;position:relative;}
.op-node{position:absolute;left:-48px;top:5px;width:13px;height:13px;border-radius:50%;background:var(--bg);border:2px solid var(--accent);}
.op-node--summit{background:var(--accent);box-shadow:0 0 0 4px color-mix(in srgb, var(--accent) 18%, transparent);}
.primitive-name{color:var(--accent);margin:0 0 14px;}
.primitive p{margin:0 0 14px;}
.evidence{font-family:var(--sans);font-size:0.95rem;line-height:1.5;color:var(--muted);padding-left:18px;position:relative;margin:10px 0 0;}
.evidence::before{content:"›";position:absolute;left:0;color:var(--accent);font-weight:700;}
/* hero */
.hero{padding-top:128px;padding-bottom:64px;}
.hero-kicker{margin:0 0 22px;color:var(--accent);}
.hero-quartet{font-size:clamp(2.6rem,6vw,5rem);font-weight:600;line-height:1.02;letter-spacing:-0.5px;margin:0 0 24px;}
.hero-keystone{font-family:var(--body);font-style:italic;font-size:clamp(1.05rem,2vw,1.35rem);line-height:1.5;max-width:60ch;color:var(--ink);margin:0 0 38px;}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;border-top:1px solid var(--hair);padding-top:24px;}
.stat{display:flex;flex-direction:column;gap:6px;}
.stat-v{font-family:var(--display);font-weight:600;font-size:1.5rem;line-height:1.1;color:var(--ink);}
.stat .label{line-height:1.5;}
@media(max-width:560px){
  .hero{padding-top:104px;}
  .hero-stats{grid-template-columns:1fr;gap:20px;}
}
@media(max-width:760px) and (min-width:561px){
  .hero-stats{grid-template-columns:repeat(3,1fr);gap:20px;}
}
/* experience timeline */
.company{margin:0 0 44px;}
.company-name{font-size:1.5rem;margin:0 0 4px;}
.company-desc{font-family:var(--body);font-style:italic;color:var(--muted);margin:0 0 20px;}
.role{display:grid;grid-template-columns:160px 1fr;gap:24px;padding:16px 0;border-top:1px solid var(--hair);}
.dates{font-family:var(--sans);font-weight:600;font-size:0.72rem;letter-spacing:0.08em;text-transform:uppercase;color:var(--accent);margin:2px 0 0;}
.role-title{font-family:var(--body);font-weight:700;font-size:1.05rem;margin:0 0 8px;text-transform:none;}
ul.bullets{list-style:none;margin:0;padding:0;}
ul.bullets li{position:relative;padding-left:18px;margin:0 0 6px;}
ul.bullets li::before{content:"›";position:absolute;left:0;color:var(--accent);font-weight:700;}
@media(max-width:680px){
  .role{grid-template-columns:1fr;gap:6px;}
}
/* selected work grid */
.work-grid{margin-top:36px;display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--hair);border:1px solid var(--hair);}
.work-card{display:flex;flex-direction:column;background:var(--paper);text-decoration:none;color:inherit;border-left:2px solid transparent;transition:background .18s ease,border-color .18s ease;}
a.work-card:hover{background:color-mix(in srgb, var(--paper) 80%, var(--accent) 8%);border-left-color:var(--accent);}
.work-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--bg);}
.work-thumb img{width:100%;height:100%;object-fit:cover;display:block;}
.work-thumb--logo{display:flex;align-items:center;justify-content:center;}
.work-thumb--logo img{object-fit:contain;width:auto;max-width:60%;max-height:60%;}
.work-body{padding:18px 20px;display:flex;flex-direction:column;gap:8px;flex:1;}
.work-body h3{font-size:1.15rem;margin:0;}
.work-body p{margin:0;font-size:0.95rem;color:var(--ink);}
.work-tag{font-family:var(--sans);font-size:0.65rem;letter-spacing:0.14em;text-transform:uppercase;color:var(--muted);margin-top:auto;}
@media(max-width:880px){.work-grid{grid-template-columns:repeat(2,1fr);}}
@media(max-width:560px){.work-grid{grid-template-columns:1fr;}}
.quotes{margin-top:36px;display:grid;grid-template-columns:1fr 1fr;gap:40px;}
.quote{margin:0;}
.quote blockquote{margin:0 0 16px;font-family:var(--body);font-size:1.05rem;line-height:1.55;color:var(--ink);}
.quote blockquote::before{content:"\201C";color:var(--accent);font-family:var(--display);font-size:1.4em;line-height:0;vertical-align:-0.2em;margin-right:2px;}
.cite{display:flex;align-items:center;gap:12px;}
.cite-avatar{width:42px;height:42px;border-radius:50%;object-fit:cover;box-shadow:0 0 0 1px var(--hair);}
.cite-name{display:block;font-family:var(--sans);font-weight:600;font-size:0.9rem;color:var(--ink);}
.cite-role{display:block;font-family:var(--sans);font-size:0.78rem;color:var(--muted);}
@media(max-width:760px){.quotes{grid-template-columns:1fr;gap:32px;}}
/* contact */
.contact-head{font-size:clamp(1.6rem,3.5vw,2.4rem);line-height:1.15;margin:14px 0 10px;max-width:24ch;}
.contact-sub{font-family:var(--body);color:var(--muted);margin:0 0 26px;}
.contact-links{display:flex;flex-wrap:wrap;gap:22px;font-family:var(--sans);font-size:0.95rem;}
.contact-links a{color:var(--accent);text-decoration:none;border-bottom:1px solid transparent;}
.contact-links a:hover{border-bottom-color:var(--accent);}
/* footer */
footer.wrap{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:14px;}
.footer-copy{font-family:var(--sans);font-size:0.85rem;color:var(--muted);margin:0;}
.footer-links{display:flex;gap:18px;}
.footer-links a{font-family:var(--sans);font-size:0.85rem;color:var(--muted);text-decoration:none;}
.footer-links a:hover{color:var(--accent);}