:root{--navy:#061B2C;--deep:#0B2A5B;--blue:#0878F9;--slate:#66758C;--pale:#F2F7FC;--off:#FAFBFC;--ink:#142333;--line:#dbe5ee;--white:#fff;--shell:1240px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Manrope,Arial,sans-serif;color:var(--ink);background:var(--off);font-size:17px;line-height:1.55}a{color:inherit}.shell{width:min(calc(100% - 64px),var(--shell));margin:auto}.narrow{max-width:850px}.site-header{position:relative;z-index:20;background:var(--navy);color:white;border-bottom:1px solid rgba(255,255,255,.09)}.header-inner{min-height:88px;display:flex;align-items:center;justify-content:space-between;gap:32px}.brand{display:inline-flex;align-items:center;gap:12px;text-decoration:none;font-size:31px;font-weight:600;letter-spacing:-1.2px}.brand-mark{width:38px;height:31px;position:relative;display:inline-block}.brand-mark i{position:absolute;bottom:4px;width:4px;border-radius:4px;background:#1d8cff}.brand-mark i:nth-child(1){left:2px;height:8px}.brand-mark i:nth-child(2){left:10px;height:14px}.brand-mark i:nth-child(3){left:18px;height:21px}.brand-mark i:nth-child(4){left:26px;height:28px}.brand-mark b{position:absolute;left:0;right:2px;bottom:1px;border-bottom:2px solid #67b9ff;transform:skewY(-23deg);transform-origin:left}.primary-nav{display:flex;gap:48px;align-items:center}.primary-nav a{text-decoration:none;font-size:15px;font-weight:600;color:#f0f5f9}.primary-nav a:hover{color:#67b9ff}.nav-toggle{display:none;background:none;border:1px solid rgba(255,255,255,.35);color:white;padding:8px 12px;border-radius:6px}
.hero{background:var(--navy);color:white}.home-hero{position:relative;padding:62px 0 70px;overflow:hidden;min-height:520px}.hero-stage{position:relative;min-height:388px}.hero-market-art{position:absolute;z-index:0;right:0;top:-28px;width:59%;height:470px;overflow:hidden;pointer-events:none}.hero-market-art svg{width:100%;height:100%;display:block}.hero-copy{position:relative;z-index:2;width:55%;max-width:680px}.eyebrow{font-size:12px;font-weight:700;letter-spacing:.18em;color:#67b9ff;margin-bottom:22px}.eyebrow.dark{color:var(--blue)}h1,h2,h3{margin:0;color:var(--deep);letter-spacing:-.035em;line-height:1.08}h1{font-size:clamp(48px,4.4vw,67px);font-weight:500}h2{font-size:clamp(32px,3.1vw,45px);font-weight:600}h3{font-size:26px}.hero h1{color:white}.hero p{color:#eef4f8;font-size:17px;line-height:1.55;max-width:650px;margin:24px 0 0}.section{padding:70px 0;background:white}.section-pale{background:var(--pale)}.challenge-grid,.what-grid,.about-home-grid,.contact-grid{display:grid;grid-template-columns:1.03fr .97fr;gap:80px;align-items:center}.prose{font-size:17px;max-width:650px}.prose p{margin:0 0 16px;color:#66758c}.prose p:last-child{margin-bottom:0}.challenge-copy{margin-top:22px}.branching-figure svg{width:100%;height:auto;display:block}.what-section{padding:64px 0}.what-grid{grid-template-columns:1.08fr .92fr}.what-section h2{font-size:clamp(31px,2.9vw,43px)}.what-section .prose{margin-top:22px}.research-cards{position:relative;height:310px}.mini-chart{position:absolute;background:white;border:1px solid #dbe5ee;border-radius:4px;box-shadow:0 15px 32px rgba(19,52,86,.13);overflow:hidden}.mini-chart svg{width:100%;height:100%;padding:14px}.heatmap{left:0;top:0;width:46%;height:46%;background-color:#fff;background-image:linear-gradient(45deg,rgba(238,92,77,.65) 25%,transparent 25%),linear-gradient(-45deg,rgba(38,125,255,.62) 25%,transparent 25%),linear-gradient(45deg,transparent 75%,rgba(38,125,255,.55) 75%),linear-gradient(-45deg,transparent 75%,rgba(238,92,77,.6) 75%);background-size:28px 28px;background-position:0 0,0 14px,14px -14px,-14px 0}.series{right:0;top:24px;width:62%;height:42%}.multiseries{left:18%;bottom:0;width:68%;height:42%}.about-home{padding:58px 0}.about-home-grid{grid-template-columns:1.05fr .95fr}.about-home .prose{max-width:610px}.text-link{display:inline-block;margin-top:18px;color:var(--blue);font-weight:700;text-decoration:none}.button{display:inline-block;margin-top:14px;background:var(--blue);color:white;border:0;border-radius:6px;padding:12px 18px;text-decoration:none;font:inherit;font-weight:700;cursor:pointer}.about-facts{border-left:1px solid #d4dee8;padding-left:54px;display:grid;gap:27px;color:#5c6d80}.about-facts div{display:flex;align-items:center;gap:18px}.fact-icon{width:28px;text-align:center;color:var(--blue);font-size:24px}.role{color:var(--slate);margin-top:12px}.page-hero{padding:84px 0 88px}.page-hero.compact{padding:70px 0 74px}.page-hero h1{font-size:clamp(44px,5vw,66px)}.faq-shell{max-width:900px}.faq-item{border-top:1px solid var(--line)}.faq-item:last-child{border-bottom:1px solid var(--line)}.faq-item summary{list-style:none;cursor:pointer;display:grid;grid-template-columns:55px 1fr 32px;gap:16px;align-items:center;padding:25px 0;font-weight:700;color:var(--deep)}.faq-item summary::-webkit-details-marker{display:none}.faq-num{font-size:12px;color:var(--blue);letter-spacing:.1em}.faq-plus{font-size:24px;font-weight:400;text-align:center;transition:.2s}.faq-item[open] .faq-plus{transform:rotate(45deg)}.faq-answer{padding:0 48px 25px 71px;color:#4a5d6f}.faq-answer p{margin:0}.contact-grid{grid-template-columns:.8fr 1.2fr}.contact-note{color:var(--slate);font-size:14px;max-width:360px}.contact-form{display:grid;gap:18px}.contact-form label{display:grid;gap:7px;font-size:14px;font-weight:700;color:var(--deep)}.contact-form label span{font-weight:400;color:var(--slate)}.contact-form input,.contact-form textarea{width:100%;border:1px solid #cbd8e3;border-radius:6px;background:white;padding:12px 13px;font:inherit;color:var(--ink)}.contact-form input:focus,.contact-form textarea:focus{outline:2px solid rgba(8,120,249,.2);border-color:var(--blue)}.notice{padding:13px 15px;border-radius:6px;margin-bottom:20px}.notice.success{background:#edf9f2}.notice.error{background:#fff1f1}.site-footer{background:var(--navy);color:#b8c8d5;padding:42px 0 20px}.site-footer .brand{color:white;font-size:23px}.site-footer .brand-mark{transform:scale(.78);transform-origin:left center}.site-footer p{font-size:12px}.footer-grid{display:flex;justify-content:space-between;gap:40px}.footer-grid nav{display:flex;gap:28px}.footer-grid nav a{color:#cbd8e2;text-decoration:none;font-size:12px}.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:32px;padding-top:17px;font-size:10px;color:#8195a5}
@media(max-width:850px){.shell{width:min(calc(100% - 32px),var(--shell))}.nav-toggle{display:block}.primary-nav{display:none;position:absolute;left:0;right:0;top:78px;background:var(--navy);padding:20px 24px 26px;flex-direction:column;align-items:flex-start;border-top:1px solid rgba(255,255,255,.1)}.primary-nav.open{display:flex}.home-hero{min-height:auto;padding:60px 0 70px}.hero-copy{width:100%}.hero-market-art{right:-8%;width:100%;opacity:.30}.challenge-grid,.what-grid,.about-home-grid,.contact-grid{grid-template-columns:1fr;gap:42px}.section{padding:60px 0}.research-cards{height:300px}.about-facts{border-left:0;border-top:1px solid #d4dee8;padding:30px 0 0}.page-hero{padding:65px 0}.footer-grid{flex-direction:column}.footer-grid nav{flex-wrap:wrap}.faq-item summary{grid-template-columns:40px 1fr 24px}.faq-answer{padding-left:56px}}
@media(max-width:520px){body{font-size:16px}.brand{font-size:25px}.hero h1 br{display:none}.faq-item summary{padding:20px 0}.faq-answer{padding-left:0}.footer-grid nav{gap:18px}}

/* v0.5 homepage refinement */
.home-hero{padding:58px 0 66px;min-height:510px}
.hero-stage{min-height:386px}
.hero-market-art{right:0;top:-58px;width:67%;height:510px;background-image:linear-gradient(90deg,var(--navy) 0%,rgba(6,27,44,.93) 15%,rgba(6,27,44,.46) 38%,rgba(6,27,44,.06) 68%),url('../images/hero-market.png');background-size:cover;background-position:62% center;background-repeat:no-repeat;opacity:.98}
.hero-copy{width:52%;max-width:650px}
.hero h1{font-size:clamp(50px,4.25vw,65px);line-height:1.07}
.hero p{font-size:18px;line-height:1.58;max-width:625px;margin-top:25px}
.eyebrow{font-size:14px;letter-spacing:.16em;margin-bottom:22px}
.primary-nav a{font-size:16px}.site-footer p{font-size:13px}.footer-grid nav a{font-size:13px}.footer-bottom{font-size:11px}
.prose{font-size:18px;line-height:1.58}.challenge-copy{margin-top:24px}.challenge-section h2{font-size:clamp(34px,3.15vw,46px)}
.simulation-figure svg{width:100%;height:auto;display:block}
.what-section .prose{font-size:17.5px}
@media(max-width:850px){.hero-market-art{right:-15%;width:112%;opacity:.34;background-position:68% center}.hero-copy{width:100%}.eyebrow{font-size:13px}.prose{font-size:17px}}