:root {
  --paper: #f3f2ee;
  --white: #fff;
  --ink: #181816;
  --muted: #696862;
  --line: #cbc9c1;
  --accent: #245b4f;
  --dark: #161715;
  --gutter: clamp(18px, 3vw, 44px);
  --max: 1180px;
  --sans: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; }
a { color: inherit; }
button, input { font: inherit; }
.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 100; padding: .65rem 1rem; background: var(--ink); color: #fff; }
.skip-link:focus { top: 1rem; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

.site-header {
  position: relative;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max);
  margin: 0 auto;
  padding: 28px var(--gutter) 22px;
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: .75rem; text-decoration: none; }
.brand-mark { display: block; flex: 0 0 auto; width: 34px; height: 34px; }
.brand-mark img { display: block; width: 100%; height: 100%; object-fit: contain; }
.brand strong { font-size: .88rem; font-weight: 600; letter-spacing: .01em; }
#site-nav { display: flex; align-items: center; gap: clamp(1.1rem, 2.4vw, 2.25rem); }
#site-nav a { color: var(--muted); font-size: .8rem; text-decoration: none; }
#site-nav a:hover, #site-nav a[aria-current="page"] { color: var(--ink); text-decoration: underline; text-underline-offset: 5px; }
.nav-toggle { display: none; border: 0; background: transparent; }

.hero, .section, .page-hero, .page-next, footer { max-width: var(--max); margin-inline: auto; padding-inline: var(--gutter); }
.hero { padding-top: clamp(3rem, 6vw, 5.5rem); padding-bottom: clamp(4rem, 7vw, 6.5rem); }
.hero-grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(360px, 1.1fr); gap: clamp(2.5rem, 6vw, 6rem); align-items: center; }
.hero-copy h1 {
  margin: 0 0 clamp(2.2rem, 5vw, 4.5rem);
  font-family: var(--serif);
  font-size: clamp(2.8rem, 4.6vw, 4.6rem);
  font-weight: 400;
  line-height: .95;
  letter-spacing: -.045em;
}
.hero-copy h1 span { display: block; margin-top: .7rem; color: var(--muted); font-family: var(--sans); font-size: .28em; font-weight: 400; letter-spacing: .04em; }
.hero-focus { max-width: 560px; margin: 0 0 1.25rem; font-family: var(--serif); font-size: clamp(1.65rem, 2.65vw, 2.7rem); line-height: 1.08; letter-spacing: -.02em; }
.hero-focus em { font-style: italic; font-weight: 400; }
.hero-statement { max-width: 540px; margin: 0; color: var(--muted); font-size: clamp(.92rem, 1.1vw, 1.05rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 2.4rem; }
.button { display: inline-block; padding: .72rem 1rem; border: 1px solid var(--line); color: var(--ink); font-size: .82rem; text-decoration: none; }
.button:hover { border-color: var(--ink); }
.button--primary { border-color: var(--ink); background: var(--ink); color: #fff; }
.hero-photo { margin: 0; }
.hero-photo img { display: block; width: 100%; height: auto; object-fit: contain; }

.section { padding-top: clamp(3.5rem, 6vw, 6rem); padding-bottom: clamp(3.5rem, 6vw, 6rem); border-top: 1px solid var(--line); }
.section-intro { display: grid; grid-template-columns: minmax(260px, .9fr) minmax(300px, 1.1fr); gap: clamp(2.5rem, 7vw, 8rem); align-items: start; }
.section-intro h2, .profile-copy h2, .contact h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(1.9rem, 3.2vw, 3.2rem);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -.035em;
}
.section-intro p, .gateway-copy p { margin: .2rem 0 1.5rem; color: var(--muted); font-size: clamp(.92rem, 1.15vw, 1.08rem); }
.section-intro--compact { display: flex; align-items: end; justify-content: space-between; gap: 2rem; margin-bottom: clamp(2.5rem, 5vw, 4.5rem); }
.section-intro--compact h2 { font-size: clamp(1.7rem, 2.6vw, 2.6rem); }
.text-link, .section-link { color: var(--accent); font-size: .86rem; font-weight: 600; text-decoration: none; }
.text-link:hover, .section-link:hover { text-decoration: underline; text-underline-offset: 4px; }

.projects-section { background: var(--dark); color: #f4f3ef; max-width: none; padding-inline: max(var(--gutter), calc((100vw - var(--max)) / 2 + var(--gutter))); }
.projects-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(3rem, 5vw, 5rem) clamp(1.5rem, 3vw, 3rem); }
.project { min-width: 0; }
.project-head { padding-top: 1.1rem; border-top: 1px solid #4a4b47; }
.project-head h3 { margin: 0; font-family: var(--serif); font-size: clamp(1.55rem, 2.35vw, 2.3rem); font-weight: 400; line-height: 1.05; overflow-wrap: anywhere; }
.project-title-link { text-decoration: none; }
.project-title-link:hover { color: #b7d4c9; }
.project-subtitle { max-width: 600px; margin: .9rem 0 1.5rem; color: #aaa9a3; font-size: .92rem; }
.project-image { margin: 0 0 1.5rem; }
.project-image { overflow: hidden; background: #292a27; }
.project-image img { display: block; width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.project-image--collage,
.carousel-project-visual--collage,
.embodreal-cover-collage { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(6px, 1vw, 14px); aspect-ratio: 4 / 3; padding: clamp(10px, 2vw, 28px); background: #0d0d0d; }
.project-image--collage span,
.carousel-project-visual--collage span,
.embodreal-cover-collage span { display: flex; min-width: 0; overflow: hidden; align-items: center; justify-content: center; background: #0d0d0d; }
.project-image--collage img,
.carousel-project-visual--collage img,
.embodreal-cover-collage img { display: block; width: 100%; height: 100%; aspect-ratio: auto; object-fit: contain; }
.project#multi-robot-testbed .project-image img,
.carousel-project--multi-robot-testbed .carousel-project-visual img { object-fit: contain; background: #f4f3ef; }
.project-image figcaption { display: none; }
.project-copy > p:first-child { margin: 0; color: #d5d4cf; font-size: 1rem; }
.project-copy .role { margin: 1.3rem 0; padding-top: 1rem; border-top: 1px solid #454641; color: #8f908a; font-size: .75rem; }
.link-row { display: flex; flex-wrap: wrap; gap: 1.2rem; }
.link-row a { color: #d8eadf; font-size: .77rem; font-weight: 600; text-decoration: none; }
.link-row a:hover { text-decoration: underline; text-underline-offset: 4px; }

.projects-carousel { width: 100%; overflow: hidden; }
.projects-carousel-track {
  display: flex;
  width: max-content;
  gap: clamp(1rem, 2vw, 2rem);
  animation: project-scroll 70s linear infinite;
}
.projects-carousel:hover .projects-carousel-track,
.projects-carousel:focus-within .projects-carousel-track { animation-play-state: paused; }
.carousel-project { display: block; width: clamp(250px, 28vw, 390px); color: inherit; text-decoration: none; }
.carousel-project figure { overflow: hidden; margin: 0; background: #292a27; }
.carousel-project img { display: block; width: 100%; aspect-ratio: 4 / 3; object-fit: cover; transition: transform .45s ease; }
.carousel-project:hover img { transform: scale(1.018); }
.carousel-project div { padding: 1rem 0 0; border-top: 1px solid #4a4b47; }
.carousel-project h3 { margin: 0; font-family: var(--serif); font-size: clamp(1.25rem, 1.7vw, 1.75rem); font-weight: 400; line-height: 1.08; }
.carousel-project p { max-width: 440px; margin: .55rem 0 0; color: #aaa9a3; font-size: .82rem; }
.carousel-project--development figure { border: 1px solid #555750; border-radius: 22px; }
.carousel-project--development h3 { font-family: var(--sans); font-size: clamp(1.08rem, 1.35vw, 1.35rem); font-weight: 650; letter-spacing: -.02em; }
.carousel-project--research figure { border-radius: 0; }
.carousel-project--research h3 { font-size: clamp(1.35rem, 1.9vw, 1.9rem); font-weight: 400; }
.carousel-project--representative figure { border-radius: 64px 0 64px 0; }
.carousel-project--representative h3 { font-size: clamp(1.25rem, 1.75vw, 1.7rem); font-style: italic; font-weight: 400; }
@keyframes project-scroll { to { transform: translateX(calc(-50% - .5 * clamp(1rem, 2vw, 2rem))); } }

.publications-section { background: var(--paper); }
.publications-list { border-top: 1px solid var(--line); }
.publication { display: grid; grid-template-columns: 70px minmax(0, 1fr) auto; gap: clamp(1.2rem, 3vw, 3rem); padding: 1.7rem 0; border-bottom: 1px solid var(--line); }
.publication time { color: var(--muted); font-family: var(--serif); font-size: 1.05rem; }
.publication .authors, .publication .venue { margin: 0; color: var(--muted); font-size: .78rem; }
.publication h3 { max-width: 900px; margin: .4rem 0; font-family: var(--serif); font-size: clamp(1.2rem, 1.8vw, 1.65rem); font-weight: 400; line-height: 1.25; }
.publication > a { align-self: center; color: var(--accent); font-size: .72rem; font-weight: 600; text-decoration: none; }
.filter-row { display: flex; flex-wrap: wrap; gap: .35rem; }
.filter-row button { padding: .45rem .7rem; border: 1px solid var(--line); background: transparent; color: var(--muted); font-size: .72rem; cursor: pointer; }
.filter-row button[aria-pressed="true"] { border-color: var(--ink); background: var(--ink); color: #fff; }

.page-hero { padding-top: clamp(4rem, 7vw, 7rem); padding-bottom: clamp(3rem, 5vw, 5rem); }
.page-hero > p { margin: 0 0 2rem; color: var(--muted); font-size: .75rem; text-transform: uppercase; letter-spacing: .12em; }
.page-hero h1 { max-width: 900px; margin: 0; font-family: var(--serif); font-size: clamp(2.7rem, 4.5vw, 4.5rem); font-weight: 400; line-height: 1; letter-spacing: -.035em; }
.page-hero--dark { max-width: none; padding-inline: max(var(--gutter), calc((100vw - var(--max)) / 2 + var(--gutter))); background: var(--dark); color: #f4f3ef; }
.page-hero--dark > p { color: #a6a7a0; }
.page-hero--about h1 span { display: block; margin-top: .7rem; color: var(--muted); font-family: var(--sans); font-size: .28em; letter-spacing: .05em; }
.projects-section--page { padding-top: clamp(4.5rem, 8vw, 7rem); }
.project-group-section + .project-group-section { border-top-color: #454641; }
.projects-grid--development { gap: clamp(2.5rem, 5vw, 5rem); }
.projects-grid--development .project { padding-bottom: 2rem; }
.page-next { display: flex; justify-content: space-between; gap: 2rem; padding-top: 2.5rem; padding-bottom: 2.5rem; border-top: 1px solid var(--line); }
.page-next p { margin: 0; color: var(--muted); }
.page-next a { color: var(--accent); font-size: .85rem; font-weight: 600; text-decoration: none; }
.page-next--dark { max-width: none; padding-inline: max(var(--gutter), calc((100vw - var(--max)) / 2 + var(--gutter))); background: var(--dark); border-color: #444540; color: #eee; }
.page-next--dark p { color: #a6a7a0; }
.page-next--dark a { color: #d8eadf; }

.research .section-intro { margin-bottom: clamp(4rem, 8vw, 7rem); }
.research-strands { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(2rem, 5vw, 5rem); }
.research-strand { padding-top: 1.5rem; border-top: 1px solid var(--line); }
.research-strand h3 { margin: 0 0 1rem; font-family: var(--serif); font-size: clamp(1.7rem, 2.5vw, 2.5rem); font-weight: 400; }
.research-strand p { max-width: 580px; color: var(--muted); }
.research-areas { margin: 4rem 0 0; padding-top: 1rem; border-top: 1px solid var(--line); color: var(--muted); font-size: .78rem; }

.profile-section { padding-top: 0; }
.profile-layout { display: grid; grid-template-columns: minmax(260px, .65fr) minmax(0, 1.35fr); gap: clamp(2.5rem, 7vw, 8rem); align-items: start; }
.profile-portrait { margin: 0; }
.profile-portrait img { display: block; width: 100%; height: auto; }
.profile-copy h2 { margin-bottom: 2rem; }
.profile-copy > p:not(.research-areas) { max-width: 820px; color: #4f4e49; font-family: var(--serif); font-size: clamp(1.15rem, 1.55vw, 1.4rem); line-height: 1.58; }
.education-strip { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.3fr) minmax(0, .85fr); gap: 1px; margin: clamp(4rem, 8vw, 7rem) 0 0; padding: 0; background: var(--line); list-style: none; }
.education-strip li { display: grid; grid-template-columns: auto minmax(0, 1fr); grid-template-rows: auto 1fr; gap: 0 1rem; min-height: 240px; padding: 1.35rem; background: var(--paper); }
.education-logo { grid-row: 1 / 3; align-self: start; width: 70px; height: 76px; object-fit: contain; mix-blend-mode: multiply; }
.education-logo--hit { width: 72px; height: 76px; }
.education-logo--polimi { width: 178px; height: 82px; }
.education-strip time { color: var(--muted); font-size: .72rem; }
.education-copy { display: flex; flex-direction: column; }
.education-strip strong { margin-top: auto; font-family: var(--serif); font-size: clamp(1.08rem, 1.35vw, 1.25rem); font-weight: 400; line-height: 1.18; }
.education-strip span { color: var(--muted); font-size: .8rem; }
.education-strip em { margin-top: .35rem; color: var(--muted); font-size: .72rem; font-style: normal; }
.experience-list { border-top: 1px solid var(--line); }
.experience-item { display: grid; grid-template-columns: 140px minmax(0, 1fr); gap: 2rem; padding: 1.5rem 0; border-bottom: 1px solid var(--line); }
.experience-item time { color: var(--muted); font-size: .78rem; }
.experience-item h3 { margin: 0; font-family: var(--serif); font-size: 1.4rem; font-weight: 400; }
.experience-item p { margin: .3rem 0 0; color: var(--muted); font-size: .85rem; }
.experience-item .experience-role { color: var(--ink); }
.experience-role a, .profile-copy .text-link { color: inherit; text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }
.honors-list { margin: 0; padding: 0; border-top: 1px solid var(--line); list-style: none; }
.honors-list li { display: grid; grid-template-columns: 70px minmax(220px, .9fr) minmax(260px, 1.1fr); gap: clamp(1.2rem, 4vw, 4rem); padding: 1.45rem 0; border-bottom: 1px solid var(--line); }
.honors-list time { color: var(--muted); font-size: .78rem; }
.honor-main, .honor-context { display: flex; flex-direction: column; }
.honor-main strong { font-family: var(--serif); font-size: clamp(1.1rem, 1.5vw, 1.35rem); font-weight: 400; line-height: 1.25; }
.honor-main em { margin-top: .35rem; color: var(--accent); font-size: .8rem; font-style: italic; }
.honor-context span { color: #4f4e49; font-size: .86rem; }
.honor-context a { color: inherit; text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }
.honor-context small { margin-top: .35rem; color: var(--muted); font-size: .72rem; }
.contact { display: grid; grid-template-columns: 1.4fr .6fr; gap: clamp(3rem, 8vw, 8rem); background: var(--dark); color: #f3f2ee; max-width: none; padding-inline: max(var(--gutter), calc((100vw - var(--max)) / 2 + var(--gutter))); }
.contact-main p { max-width: 720px; color: #aaa9a3; }
.contact-email { display: inline-block; margin-top: 2rem; color: #d8eadf; font-family: var(--serif); font-size: clamp(1.2rem, 2vw, 1.8rem); text-decoration: none; }
.contact-links { align-self: end; display: grid; }
.contact-links a { display: flex; justify-content: space-between; padding: .8rem 0; border-top: 1px solid #454641; color: #eee; font-size: .8rem; text-decoration: none; }
.contact-links a:last-child { border-bottom: 1px solid #454641; }

/* Individual project pages */
.project-detail-hero, .project-detail-overview, .project-detail-gallery, .project-video, .project-detail-nav { max-width: var(--max); margin-inline: auto; padding-inline: var(--gutter); }
.project-detail-hero { padding-top: clamp(4rem, 7vw, 6.5rem); padding-bottom: clamp(3rem, 5vw, 4.5rem); }
.project-back { display: inline-block; margin-bottom: clamp(3rem, 7vw, 6rem); color: var(--muted); font-size: .8rem; text-decoration: none; }
.project-back:hover { color: var(--accent); }
.project-detail-kicker, .section-label { display: none; }
.project-detail-hero h1 { max-width: 950px; margin: 0; font-family: var(--serif); font-size: clamp(2.75rem, 5vw, 5rem); font-weight: 400; line-height: .96; letter-spacing: -.04em; }
.project-detail-deck { max-width: 680px; margin: 1.8rem 0 0; color: var(--muted); font-family: var(--serif); font-size: clamp(1.12rem, 1.65vw, 1.6rem); line-height: 1.3; }
.project-detail-cover { max-width: 1000px; margin: 0 auto; padding: 0 var(--gutter); }
.project-detail-cover { overflow: hidden; }
.project-detail-cover img { display: block; width: 100%; aspect-ratio: 4 / 3; object-fit: cover; background: #292a27; }
.project-detail-cover--contain img { object-fit: contain; background: #f8f7f3; }
.project-detail-overview { display: grid; grid-template-columns: 1.35fr .65fr; gap: clamp(3rem, 6vw, 6rem); padding-top: clamp(4rem, 6vw, 6rem); padding-bottom: clamp(4rem, 6vw, 6rem); }
.project-detail-overview--simple { grid-template-columns: minmax(0, 900px); }
.project-detail-overview h2, .project-detail-section-head h2 { max-width: 720px; margin: 0 0 1.5rem; font-family: var(--serif); font-size: clamp(1.9rem, 3.1vw, 3.05rem); font-weight: 400; line-height: 1.05; letter-spacing: -.025em; }
.project-detail-overview > div > p:not(.section-label) { max-width: 800px; color: #4f4e49; font-family: var(--serif); font-size: clamp(1.1rem, 1.45vw, 1.35rem); line-height: 1.62; }
.project-facts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); align-content: start; gap: 0 1.5rem; margin: .5rem 0 0; }
.project-facts div { padding: 1rem 0 1.15rem; border-top: 1px solid var(--line); }
.project-facts dt { margin-bottom: .35rem; color: var(--muted); font-size: .72rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; }
.project-facts dd { margin: 0; font-size: .88rem; line-height: 1.45; }
.project-facts dt, .project-facts dd, .publication time, .experience-item time, .honors-list time { font-family: var(--mono); }
.project-facts a { color: var(--accent); text-decoration: none; }
.project-facts .project-fact-wide { grid-column: 1 / -1; }
.fact-links { display: flex; flex-wrap: wrap; gap: .35rem 1.2rem; }
.project-detail-gallery { padding-top: clamp(3.5rem, 6vw, 5.5rem); padding-bottom: clamp(3.5rem, 6vw, 5.5rem); border-top: 1px solid var(--line); }
.project-detail-section-head { margin-bottom: 3rem; }
.project-gallery { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.2rem; }
.project-gallery figure { display: block; align-self: start; margin: 0; background: transparent; }
.project-gallery figure.is-wide { grid-column: 1 / -1; }
.project-gallery img { display: block; width: 100%; height: auto; object-fit: contain; }
.project-gallery figcaption { justify-self: stretch; padding: .9rem 1rem 1rem; border-top: 1px solid var(--line); background: var(--paper); color: var(--muted); font-size: .82rem; }
.app-ui-showcase > div { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .65rem; padding: 1rem; background: #0d0d0d; }
.app-ui-showcase > div img { width: 100%; height: auto; object-fit: contain; }
.platform-listings { grid-template-columns: minmax(180px, .55fr) minmax(0, 1.45fr); align-items: start; }
.platform-listings img { width: 100%; height: auto; object-fit: contain; }
.project-story-copy { display: grid; grid-template-columns: minmax(220px, .7fr) minmax(300px, 1.3fr); gap: clamp(2rem, 6vw, 7rem); margin-bottom: 3rem; }
.project-story-copy h2 { margin: 0; }
.project-story-copy p { max-width: 760px; margin: .15rem 0 0; color: #4f4e49; font-family: var(--serif); font-size: clamp(1.05rem, 1.35vw, 1.25rem); line-height: 1.6; }
.project-gallery--boards { grid-template-columns: 1fr; }
.project-gallery--boards img { max-height: none; }
.project-video { padding-top: clamp(3.5rem, 6vw, 5.5rem); padding-bottom: clamp(3.5rem, 6vw, 5.5rem); border-top: 1px solid var(--line); }
.project-video h2 { margin: 0 0 2rem; font-family: var(--serif); font-size: clamp(1.9rem, 3.1vw, 3.05rem); font-weight: 400; line-height: 1; letter-spacing: -.025em; }
.video-frame { position: relative; overflow: hidden; width: 100%; aspect-ratio: 16 / 9; background: #111; }
.video-frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.project-video noscript a { display: inline-block; margin-top: 1rem; color: var(--accent); font-size: .78rem; font-weight: 600; text-decoration: none; }
.project-video > a:hover { text-decoration: underline; text-underline-offset: 4px; }
.system-modules { display: grid; gap: clamp(3rem, 6vw, 6rem); }
.system-module { display: grid; grid-template-columns: minmax(220px, .65fr) minmax(0, 1.35fr); gap: clamp(2rem, 6vw, 7rem); padding-top: 1.5rem; border-top: 1px solid var(--line); }
.system-module h3 { margin: 0; font-family: var(--serif); font-size: clamp(1.5rem, 2.15vw, 2.15rem); font-weight: 400; line-height: 1.08; }
.system-module p { max-width: 650px; margin: .8rem 0 0; color: var(--muted); }
.module-media { display: grid; grid-template-columns: 1.55fr .65fr; gap: 1rem; align-items: start; }
.module-media figure { margin: 0; }
.module-media img { display: block; width: 100%; height: auto; object-fit: contain; }
.module-media--single { grid-template-columns: 1fr; }
.module-media--mocap { grid-template-columns: minmax(220px, .55fr) minmax(0, 1.45fr); }
.module-placeholders { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.module-placeholders--single { grid-template-columns: minmax(0, 1fr); max-width: 720px; }
.module-placeholder { display: grid; place-items: center; aspect-ratio: 16 / 9; border: 1px solid var(--line); background: rgba(255,255,255,.18); color: transparent; font-size: 0; }
.project-detail-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; padding-top: 0; padding-bottom: 0; background: var(--line); border-top: 1px solid var(--line); }
.project-detail-nav a { padding: 2rem var(--gutter); background: var(--paper); font-family: var(--serif); font-size: 1.25rem; text-decoration: none; }
.project-detail-nav a:last-child { text-align: right; }
.project-detail-nav span { display: block; margin-bottom: .4rem; color: var(--muted); font-family: var(--sans); font-size: .65rem; letter-spacing: .08em; text-transform: uppercase; }
.title-cn { color: var(--muted); font-family: var(--sans); font-size: .42em; font-weight: 400; letter-spacing: .04em; }

footer { display: grid; grid-template-columns: 1fr auto; gap: 2rem; padding-top: 2rem; padding-bottom: 2rem; border-top: 1px solid var(--line); color: var(--muted); font-size: .72rem; }
footer p { margin: 0; }
footer p:nth-child(2) { display: none; }

[hidden] { display: none !important; }

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-copy { max-width: 760px; }
  .hero-photo { max-width: 760px; }
  .section-intro, .profile-layout, .project-detail-overview, .project-story-copy, .contact { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .system-module { grid-template-columns: 1fr; }
  .module-media, .module-media--mocap { grid-template-columns: 1fr; }
  .education-strip { grid-template-columns: 1fr; }
}

@media (max-width: 680px) {
  .site-header { padding-top: 18px; padding-bottom: 16px; }
  .brand span { width: 30px; height: 30px; }
  .nav-toggle { display: flex; align-items: center; gap: .55rem; color: var(--ink); cursor: pointer; }
  .nav-toggle span { font-size: .7rem; text-transform: uppercase; letter-spacing: .08em; }
  .nav-toggle i, .nav-toggle i::after { display: block; width: 18px; height: 1px; background: currentColor; content: ""; }
  .nav-toggle i::after { transform: translateY(5px); }
  #site-nav { position: absolute; top: 100%; left: var(--gutter); right: var(--gutter); display: none; flex-direction: column; align-items: stretch; gap: 0; padding: .5rem 1rem; border: 1px solid var(--line); background: var(--paper); }
  #site-nav[data-open="true"] { display: flex; }
  #site-nav a { padding: .65rem 0; border-bottom: 1px solid var(--line); }
  #site-nav a:last-child { border-bottom: 0; }
  .hero { padding-top: 4rem; }
  .hero-grid { gap: 3rem; }
  .hero-copy h1 { font-size: clamp(2.6rem, 13vw, 4rem); }
  .hero-focus { font-size: clamp(1.65rem, 8vw, 2.4rem); }
  .section-intro--compact { align-items: start; flex-direction: column; }
  .research-strands { grid-template-columns: 1fr; }
  .publication { grid-template-columns: 48px minmax(0, 1fr); }
  .publication > a { grid-column: 2; }
  .experience-item { grid-template-columns: 1fr; gap: .5rem; }
  .education-strip li { min-height: 215px; padding: 1.2rem; }
  .education-logo--polimi { width: 120px; height: 70px; }
  .honors-list li { grid-template-columns: 52px 1fr; gap: .7rem 1rem; }
  .honor-context { grid-column: 2; }
  .project-gallery { grid-template-columns: 1fr; }
  .project-gallery figure.is-wide { grid-column: auto; }
  .module-placeholders { grid-template-columns: 1fr; }
  .project-detail-nav { grid-template-columns: 1fr; }
  .project-detail-nav a:last-child { text-align: left; }
  footer { grid-template-columns: 1fr; gap: .45rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .projects-carousel { overflow-x: auto; }
  .projects-carousel-track { animation: none; }
  .projects-carousel-track .carousel-project[aria-hidden="true"] { display: none; }
}