/* ALVISE RACCANELLI — 2026 REFERENCE-LED VISUAL DIRECTION
   Pure presentation layer. Site content, link destinations and document structure
   are sourced unchanged from the supplied original HTML. */
:root{
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*,*::before,*::after{box-sizing:border-box}
html{background:#0b0d0e;scroll-behavior:smooth;scroll-padding-top:100px}
body{background:var(--bg);color:var(--body);font-family:var(--sans);font-weight:400;font-size:14px;line-height:1.65;letter-spacing:-.012em;min-width:320px}
body::selection,::selection{background:#e7aa80;color:#141414}
p{color:inherit}p+p{margin-top:18px}strong,b{color:#faf8f5;font-weight:600}
a{text-decoration:none}a:hover{text-decoration:none}a:focus-visible,button:focus-visible,summary:focus-visible{outline:1px solid #ffba8c;outline-offset:5px}
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.header{height:82px;position:fixed;inset:0 0 auto;z-index:100;background:rgba(11,13,14,.32);border-bottom:1px solid rgba(255,255,255,.13);backdrop-filter:blur(25px);-webkit-backdrop-filter:blur(25px)}
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.navlinks a:hover,.navlinks a[aria-current=page]{color:#fff}
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/* Decorative canvases are inert, have no textual/semantic content and do not displace text. */
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.cosmos-visual canvas{display:block;width:100%;height:100%;opacity:.95}
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.floating-orbit svg{width:100%;height:100%;animation:orbit-turn 120s linear infinite}
@keyframes orbit-turn{to{transform:rotate(360deg)}}
/* Homepage data strips: integrated in the hero rather than classic centered cards. */
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.institution-row span{color:rgba(255,255,255,.75);font-size:12px;font-weight:400}
/* Design-driven section hierarchy and whitespace */
.section{position:relative;padding:150px 0;background:#101214;border-top:1px solid rgba(255,255,255,.10)}
.section>.wrap{position:relative;z-index:2}
.section.light{background:#141619}
.section-title{grid-template-columns:1.3fr .65fr;align-items:end;gap:8vw;margin-bottom:74px}
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.section .eyebrow::after,.contact .eyebrow::after{display:none}
.section-title h2{font-size:clamp(55px,6.8vw,110px);line-height:.95;max-width:1050px;letter-spacing:-.075em}
.section-title p:not(.eyebrow){font-size:14px;line-height:1.8;color:rgba(243,245,242,.63);max-width:350px;padding-bottom:10px}
#research.section{background:#121415;isolation:isolate}
#research.section::before{content:"";position:absolute;z-index:0;right:-17vw;top:-6vw;width:67vw;height:67vw;border:1px solid rgba(245,243,239,.17);border-radius:50%;pointer-events:none;box-shadow:inset 0 0 0 8vw #121415,inset 0 0 0 calc(8vw + 1px) rgba(255,255,255,.045),inset 0 0 0 19vw #121415,inset 0 0 0 calc(19vw + 1px) rgba(255,255,255,.045);opacity:.65}
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.research-pair article{background:#0d0f10;border:1px solid rgba(255,255,255,.14);border-radius:16px;padding:47px 45px 44px;overflow:hidden;transition:background .3s,border-color .3s,transform .4s}
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.footer{background:#0b0d0e;border-top:1px solid rgba(255,255,255,.15);padding:30px 0 38px}
.footer .wrap{font-family:var(--sans);color:rgba(255,255,255,.5);font-size:10px;letter-spacing:0}
.footer a:hover{color:#fff}
/* Interior page heroes: editorial layouts / sculptural orbital systems */
body:not(.home) .hero-scene{min-height:680px;background:#111214}
body:not(.home) .hero-scene .page-hero{position:relative;min-height:680px;padding:185px 0 120px;justify-content:center;z-index:3}
.page-hero .eyebrow{color:rgba(255,255,255,.62);font-size:11px;letter-spacing:.13em;margin-bottom:34px}
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.page-hero p.intro{color:rgba(255,255,255,.73);font-size:clamp(15px,1.45vw,19px);line-height:1.65;max-width:620px}
.page-hero .buttons{margin-top:37px;gap:14px 32px}
body.ventures .hero-scene::before{background:radial-gradient(ellipse 58% 66% at 78% 52%,rgba(220,118,66,.82),rgba(118,66,69,.46) 47%,transparent 78%),radial-gradient(ellipse 55% 70% at 103% -6%,rgba(177,185,153,.5),transparent 77%),linear-gradient(130deg,#0e1111,#3c2428 75%,#0e1012)}
body.ventures .hero-scene::after{right:-10%;top:-580px;width:1100px;height:1100px;opacity:.5}
body.institute .hero-scene::before{background:radial-gradient(ellipse 40% 60% at 84% 52%,rgba(190,100,72,.22),transparent 80%),#0c0e10}
body.institute .hero-scene::after,body.academic .hero-scene::after{opacity:0}
body.institute .hero-scene .page-hero{max-width:none}
body.academic .hero-scene{min-height:700px;background:#101213}
body.academic .hero-scene::before{background:radial-gradient(ellipse at 90% 45%,rgba(83,116,109,.18),transparent 60%),#0e1011}
.academic-hero{position:relative;min-height:720px;padding-top:180px;padding-bottom:110px;z-index:3}
.academic-hero h1{font-family:var(--sans);font-size:clamp(66px,7.6vw,124px);letter-spacing:-.09em;line-height:.95;max-width:950px;margin:30px 0 36px}
.academic-hero .intro{font-size:16px;line-height:1.8;color:rgba(255,255,255,.71);max-width:680px}
.subnav{border-top:1px solid rgba(255,255,255,.35);max-width:800px;margin-top:44px;padding-top:25px;gap:20px 38px}
.subnav a{font-family:var(--sans);font-size:10px;color:#fff;letter-spacing:.05em}
/* A large schematic graphic derives from the orbital illustration references. */
.schematic{pointer-events:none;position:absolute;z-index:1;right:-3vw;top:85px;width:min(60vw,900px);height:min(60vw,900px);opacity:.55}
.schematic svg{display:block;width:100%;height:100%}
.schematic .ring{stroke:rgba(242,242,241,.55);stroke-width:.75;fill:none}
.schematic .ghost{stroke:rgba(242,242,241,.26);stroke-width:.8;stroke-dasharray:2 5;fill:none}
.schematic .point{fill:#f3f1ed}
body.institute .schematic{width:min(66vw,950px);height:min(66vw,950px);right:-6vw;top:40px;opacity:.6}
body.academic .schematic{opacity:.24;top:130px}
/* Interior page section design */
.venture-section{background:#111415;border-top:1px solid rgba(255,255,255,.14)}
.venture-section.light{background:#17191a}
.venture-section .about-grid{grid-template-columns:.9fr 1.1fr;gap:8vw}
.venture-section h2{font-size:clamp(56px,6.2vw,100px);letter-spacing:-.077em}
.venture-section .eyebrow{margin-bottom:36px}
.capabilities{border-top:1px solid rgba(255,255,255,.25)}
.capabilities li{padding:26px 0;border-top:0;border-bottom:1px solid rgba(255,255,255,.17)}
.capabilities h3{font-family:var(--sans);font-size:clamp(25px,2.5vw,39px);letter-spacing:-.06em;margin-bottom:11px}
.capabilities p{font-size:13px;color:rgba(255,255,255,.65);line-height:1.8}
.research-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;background:transparent;border:0}
.research-item,.institute-principle{min-height:335px;border:1px solid rgba(255,255,255,.2);border-radius:12px;background:#0e1011;padding:35px 31px 45px;transition:transform .3s,background .3s}
.research-item:hover,.institute-principle:hover{background:#1c1f20;transform:translateY(-4px)}
.research-item::before,.institute-principle::before{content:"";display:block;position:static;transform:none;width:100%;height:90px;background:radial-gradient(ellipse at 50% 50%,transparent 17%,rgba(255,255,255,.48) 17.3%,transparent 18%,transparent 45%,rgba(255,255,255,.12) 45.3%,transparent 46%),linear-gradient(to right,transparent 49.9%,rgba(255,255,255,.14) 50%,transparent 50.1%);opacity:.7;transition:none;margin-bottom:20px}
.research-item .number,.institute-principle .number{font-family:var(--sans);font-size:11px;letter-spacing:.03em;color:rgba(255,255,255,.54)}
.research-item h3,.institute-principle h3{font-family:var(--sans);font-size:clamp(23px,2.4vw,34px);letter-spacing:-.06em;margin:13px 0 17px}
.research-item p,.institute-principle p{font-size:13px;line-height:1.75;color:rgba(255,255,255,.68)}
.institute-mission{font-family:var(--sans);font-size:clamp(32px,3.8vw,55px)!important;letter-spacing:-.055em;line-height:1.22!important;color:#fff}
.academic-section{background:#111314;border-top:1px solid rgba(255,255,255,.14)}
.academic-section:nth-of-type(even){background:#17191b}
.academic-section .section-title{grid-template-columns:1fr .65fr}
.academic-section .section-title h2{font-size:clamp(55px,6vw,96px)}
.academic-hero~#research .research-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
.academic-hero~#research .research-item{min-height:320px}
.papers{border-top:1px solid rgba(255,255,255,.23)}
.papers li{display:grid;grid-template-columns:1.2fr .8fr;column-gap:45px;padding:29px 0 29px 56px;border-top:0;border-bottom:1px solid rgba(255,255,255,.17)}
.papers li::before{top:39px;font-size:11px;color:rgba(255,255,255,.46)}
.papers h3{font-family:var(--sans);font-size:clamp(20px,2.4vw,33px);letter-spacing:-.055em;margin:0}
.papers p{font-size:12px;line-height:1.7;color:rgba(255,255,255,.53);margin:5px 0 0}
.people-grid{gap:18px}
.people-grid>div{background:#191c1e;border:1px solid rgba(255,255,255,.14);border-radius:12px;padding:28px 30px}
.people-grid h3{font-family:var(--sans);font-size:27px;letter-spacing:-.06em;margin-bottom:19px}
.people-grid ul{font-size:13px}
.people-grid li{padding:12px 0;border-bottom:1px solid rgba(255,255,255,.12)}
.note{border-left:1px solid rgba(255,255,255,.5);padding-left:22px;color:rgba(255,255,255,.7)}
.course-list{border-top:1px solid rgba(255,255,255,.27)}
.course-list details{border-top:0;border-bottom:1px solid rgba(255,255,255,.19);padding:32px 0}
summary{font-family:var(--sans);font-size:clamp(24px,2.9vw,43px);letter-spacing:-.06em;line-height:1.1}
summary::after{font-size:25px;color:#e6e3de}
.course-list details .course-meta{font-size:10px;color:rgba(255,255,255,.58)}
.course-list details p{font-size:14px;color:rgba(255,255,255,.65)}
/* Reveal the section without visually moving or rewriting any original text. */
@media(prefers-reduced-motion:no-preference){.enter-view{animation:slide-in .7s ease both}@keyframes slide-in{from{opacity:.25;transform:translateY(15px)}to{opacity:1;transform:translateY(0)}}}
@media(max-width:1100px){
 .wrap{width:calc(100% - 76px)}.navlinks{gap:17px}.navlinks a{font-size:9px}.hero-scene .hero{grid-template-columns:1fr 240px;min-height:770px;padding:135px 0 110px}.hero h1{font-size:clamp(75px,10vw,120px)}
 .cosmos-visual{right:-14%;width:73%;height:700px;top:45px}.hero .portrait{right:0;bottom:90px;width:145px}
 .section{padding:125px 0}.research-pair article{padding:35px 29px}.section-title{gap:45px}.about-grid{gap:50px}.project{gap:45px}.schematic{right:-21vw;width:82vw;height:82vw}
}
@media(max-width:760px){
 .wrap{width:calc(100% - 40px)}html{scroll-padding-top:85px}
 .header{height:auto;min-height:70px;background:rgba(10,11,12,.77)}.nav{min-height:70px;gap:16px;padding:13px 0;flex-wrap:wrap}
 .brand{font-size:15px}.brand::before{font-size:18px;margin-right:10px}.menu{display:block;font-size:10px;padding:8px 12px}
 .navlinks{width:100%;padding:13px 0 5px;display:flex;flex-wrap:wrap;gap:13px 22px}.navlinks[data-collapsed=true]{display:none}.navlinks a{font-size:10px}.navlinks .academic{padding:7px 0}
 .hero-scene .hero{display:block;min-height:885px;padding:150px 0 65px;position:relative}
 .hero>div:first-child{position:relative;max-width:100%;z-index:6}
 .hero .eyebrow{margin-bottom:32px;font-size:9px}.hero h1{font-size:clamp(66px,15vw,116px);letter-spacing:-.09em;line-height:.9}
 .hero .statement{font-size:clamp(24px,7.5vw,33px);margin:34px 0 22px}
 .hero .intro{font-size:13px;max-width:450px;line-height:1.75;margin-bottom:23px}
 .hero .buttons{gap:8px 21px}.hero .button{font-size:9px}.button::after{margin-left:8px}
 .cosmos-visual{width:105%;height:520px;top:410px;right:-26%;z-index:1;opacity:.74}
 .hero-scene::after{top:-105vw;right:-77%;height:150vw;width:160vw;opacity:.68}
 .hero .portrait{width:126px;bottom:4px;right:-8px;opacity:.85}
 .hero .portrait img{height:150px}.hero .portrait figcaption{font-size:7px}
 .focus-strip{padding:24px 0;gap:10px 18px}.focus-strip span{flex-basis:100%;font-size:9px}.focus-strip b{font-size:11px}
 .affiliations{padding:22px 0 35px}.institution-row{gap:12px 20px}.institution-row span{font-size:11px}
 .section{padding:86px 0}.section-title,.academic-section .section-title{grid-template-columns:1fr;gap:20px;margin-bottom:43px}.section-title h2,.academic-section .section-title h2{font-size:clamp(47px,11vw,73px);letter-spacing:-.07em}.section-title .eyebrow{margin-bottom:24px}.section-title p:not(.eyebrow){font-size:13px;padding:0}
 .research-pair{grid-template-columns:1fr;gap:13px}.research-pair article{border-radius:11px;padding:32px 25px}.research-pair h3{font-size:clamp(31px,8.1vw,49px);margin:26px 0 26px}
 .research-pair .mini{margin-top:14px;padding-top:15px}
 .project{grid-template-columns:1fr;gap:22px;padding:27px 23px;border-radius:11px}.project-title{font-size:43px}
 .about-grid,.venture-section .about-grid,.career-row{grid-template-columns:1fr;gap:22px}.about-grid h2,.venture-section h2{font-size:clamp(45px,11vw,76px)}
 .career{margin-top:49px}.career-row{padding:25px 0;gap:7px}.career-row h3{font-size:29px}
 .academic-banner{grid-template-columns:1fr;gap:20px;padding:28px 23px}.academic-banner h3{font-size:25px}.academic-banner .actions{justify-content:flex-start}
 .contact{padding:95px 0}.contact-grid{display:block}.contact h2{font-size:clamp(48px,11vw,80px)}.contact .email{font-size:clamp(18px,4.6vw,26px)}.contact-grid>.button{margin-top:25px}
 .footer .wrap{gap:10px 23px;font-size:10px}
 body:not(.home) .hero-scene,body:not(.home) .hero-scene .page-hero{min-height:655px}
 body:not(.home) .hero-scene .page-hero{padding:160px 0 85px}
 .page-hero h1{font-size:clamp(71px,15vw,110px);letter-spacing:-.087em;margin-bottom:34px}
 .page-hero p.intro{font-size:15px}.page-hero .buttons{gap:11px 28px;margin-top:25px}
 .schematic,body.institute .schematic{width:90vw;height:90vw;right:-44vw;top:155px;opacity:.3}
 .academic-hero{min-height:630px;padding:165px 0 70px}.academic-hero h1{font-size:clamp(55px,12vw,90px);margin:22px 0 26px}.academic-hero .intro{font-size:15px}
 .subnav{gap:14px 22px}.research-grid,.academic-hero~#research .research-grid{grid-template-columns:1fr;gap:13px}
 .research-item,.institute-principle{min-height:0;padding:27px 25px}.research-item::before,.institute-principle::before{height:55px;margin-bottom:15px}
 .capabilities li{padding:25px 0}.capabilities h3{font-size:29px}
 .papers li{display:block;padding:26px 0 25px 37px}.papers h3{font-size:25px}.papers p{margin-top:12px}
 .people-grid{grid-template-columns:1fr;gap:13px}.people-grid>div{padding:24px}.people-grid h3{font-size:25px}
 summary{font-size:26px}.course-list details{padding:26px 0}
}
@media(max-width:400px){.hero h1{font-size:60px}.hero .statement{font-size:24px}.hero-scene .hero{min-height:860px}.cosmos-visual{top:430px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.floating-orbit svg{animation:none}*,*::before,*::after{transition:none!important;animation:none!important}}

/* Hero art direction: the supplied monochrome particle globe is the primary
   motif. Warm atmospheric light is deliberately secondary and sits behind it. */
body.home .hero-scene{background:#08090b}
body.home .hero-scene::before{background:
 radial-gradient(ellipse 55% 68% at 99% 42%,rgba(157,86,67,.23) 0%,rgba(77,49,50,.13) 43%,transparent 82%),
 radial-gradient(ellipse 52% 50% at 78% 111%,rgba(234,118,67,.10),transparent 70%),
 linear-gradient(100deg,#08090b 12%,#111113 100%)}
body.home .hero-scene::after{opacity:.26;right:-23%;top:-62vw;pointer-events:none}
body.home .cosmos-visual{right:0;top:92px;opacity:1}
body.home .cosmos-visual canvas{opacity:1;filter:contrast(1.32)}
body.home .cosmos-visual::after{background:linear-gradient(to right,#08090b 0%,rgba(8,9,11,.23) 21%,transparent 44%)}
body.home .floating-orbit{opacity:.14}
@media(max-width:760px){
 body.home .hero-scene::before{background:radial-gradient(ellipse 95% 50% at 105% 48%,rgba(172,89,59,.20),transparent 77%),#08090b}
 body.home .hero-scene::after{opacity:.17;top:-240px;right:-100%}
 body.home .cosmos-visual{right:-31%;top:450px;width:118%;height:495px}
 body.home .cosmos-visual::after{background:none}
}

/* Editorial portrait is presented alongside the original biography, not on
   top of the scientific hero artwork. The image and caption remain unchanged. */
body.home #about .about-grid .portrait{position:relative;top:auto;right:auto;bottom:auto;width:min(320px,90%);height:auto;align-self:auto;opacity:1;margin:50px 0 0;padding:0;transform:none;pointer-events:auto;background:none;border:0;box-shadow:none}
body.home #about .about-grid .portrait::before{display:none}
body.home #about .about-grid .portrait img{height:auto;max-height:340px;width:100%;object-fit:contain;object-position:left bottom;filter:grayscale(1) contrast(1.09);-webkit-mask-image:linear-gradient(to bottom,#000 67%,transparent 100%);mask-image:linear-gradient(to bottom,#000 67%,transparent 100%)}
body.home #about .about-grid .portrait figcaption{position:static;text-align:left;width:auto;font-size:9px;padding-top:2px;letter-spacing:.09em;color:rgba(255,255,255,.6)}
@media(max-width:760px){body.home #about .about-grid .portrait{width:210px;margin:36px 0 5px}body.home #about .about-grid .portrait img{max-height:230px}}