/* Srinjoy Chakraborty — editorial glass research portfolio */
:root{color-scheme:dark;--bg:#0b1017;--surface:#151d27;--text:#f1f5f9;--muted:#a5b4c4;--accent:#91cfd9;--line:rgba(255,255,255,.105);--glass:rgba(255,255,255,.045);--radius:20px;--max:1160px;--font:"Plus Jakarta Sans",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;--display:"Outfit",var(--font)}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:110px}
body{margin:0;background:var(--bg);color:var(--text);font:400 15px/1.75 var(--font);-webkit-font-smoothing:antialiased}
body::before{content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;background:radial-gradient(ellipse 55% 42% at 86% 5%,rgba(91,152,165,.12),transparent 80%),radial-gradient(ellipse 42% 32% at 6% 38%,rgba(50,78,98,.08),transparent 80%)}
.ambient{position:absolute;top:0;right:0;width:min(50vw,760px);height:790px;pointer-events:none;z-index:-1;opacity:.42;background:linear-gradient(to right,rgba(145,207,217,.065) 1px,transparent 1px),linear-gradient(to bottom,rgba(145,207,217,.065) 1px,transparent 1px);background-size:76px 76px;mask-image:linear-gradient(to bottom,#000,transparent)}
a{color:inherit;text-decoration:none}a:hover{color:var(--accent)}
button{font:inherit}img{max-width:100%;display:block}
h1,h2,h3,h4,p,figure{margin-top:0}h1,h2,h3,h4{font-family:var(--display);font-weight:500;line-height:1.15;letter-spacing:-.035em}
p{color:var(--muted)}::selection{background:#91cfd9;color:#0b1017}
:focus-visible{outline:2px solid var(--accent);outline-offset:4px}
.container{width:min(calc(100% - 64px),var(--max));margin-inline:auto}
.glass{background:var(--glass);border:1px solid var(--line);border-radius:var(--radius)}
.skip-link{position:fixed;left:16px;top:-100px;z-index:200;padding:10px 18px;background:var(--accent);color:var(--bg);border-radius:8px}.skip-link:focus{top:10px}
.site-header{position:sticky;top:18px;z-index:100;margin-bottom:4px}
.nav-shell{display:flex;align-items:center;min-height:70px;padding:0 24px;gap:28px;background:rgba(18,25,34,.86);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);box-shadow:0 16px 42px rgba(0,0,0,.14)}
.brand,.footer-brand{font:600 26px/1 var(--display);letter-spacing:-.07em;white-space:nowrap}.brand span,.footer-brand span{color:var(--accent)}
.nav-context{font:600 9px/1.5 var(--font);letter-spacing:.18em;color:#92a0b1;white-space:nowrap}.nav-context-year{color:var(--accent)}
.site-nav{margin-left:auto;display:flex;align-items:center;gap:26px}.site-nav>a{font-size:12px;font-weight:600;color:#b9c6d1;transition:color .2s}.site-nav>a:hover,.site-nav>a[aria-current]{color:var(--accent)}
.site-nav .nav-cv{padding:9px 16px;border:1px solid rgba(145,207,217,.35);border-radius:9px;color:var(--text)}.nav-cv span{margin-left:7px;color:var(--accent)}
.menu-toggle{display:none;border:1px solid var(--line);border-radius:10px;background:transparent;color:var(--text);width:44px;height:44px;cursor:pointer;padding:12px}.menu-toggle span{display:block;height:2px;background:currentColor;margin:4px 0;border-radius:2px}
.hero{min-height:675px;display:grid;grid-template-columns:minmax(0,1.18fr) minmax(270px,.82fr);gap:clamp(32px,6vw,94px);align-items:center;padding-block:104px 112px}
.hero-copy{min-width:0}.eyebrow,.section-index,.project-kicker,.card-number,.timeline-time{font-size:10px;line-height:1.7;letter-spacing:.16em;font-weight:700;color:var(--accent);text-transform:uppercase}
.eyebrow{display:flex;align-items:center;gap:11px;margin-bottom:26px}.eyebrow-sep{color:#607281}.status-dot{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(145,207,217,.10)}
.hero h1{font-size:clamp(3.4rem,6.4vw,6.5rem);line-height:1.01;letter-spacing:-.075em;margin-bottom:29px}.hero h1 span{color:#a5b4c4}
.hero-focus{font:500 clamp(1.16rem,2.15vw,1.75rem)/1.4 var(--display);letter-spacing:-.025em;color:var(--text);margin-bottom:19px}.hero-focus em{font-style:normal;color:var(--accent)}
.hero-description{max-width:560px;font-size:14px;line-height:1.95;margin-bottom:32px}
.actions,.contact-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.button{display:inline-flex;justify-content:space-between;align-items:center;gap:25px;min-height:46px;padding:10px 20px;border:1px solid transparent;border-radius:10px;font-size:12px;font-weight:700;transition:background .2s,border-color .2s,transform .2s}
.button:hover{transform:translateY(-2px)}.button-primary{background:var(--accent);color:#0b1821}.button-primary:hover{background:#b7e5ea;color:#0b1821}.button-ghost{border-color:rgba(255,255,255,.18);color:var(--text)}.button-ghost:hover{border-color:rgba(145,207,217,.6);background:rgba(255,255,255,.045);color:var(--text)}
.hero-footnote{font-size:11px;letter-spacing:.035em;margin:30px 0 0;color:#8b9baa}
.portrait-card{padding:12px 12px 0;transform:rotate(1deg);position:relative;background:rgba(255,255,255,.055);box-shadow:0 32px 95px rgba(0,0,0,.23)}.portrait-card::before{content:"";position:absolute;inset:-18px;border:1px solid rgba(145,207,217,.12);border-radius:28px;z-index:-1}
.portrait-inset{aspect-ratio:4/4.7;border-radius:12px;overflow:hidden;background:#273541}.portrait-inset img{width:100%;height:100%;object-fit:cover;object-position:center 27%}
.portrait-card figcaption{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:15px 5px 16px;font-size:9px;letter-spacing:.08em;color:#c1cdd8}.portrait-card figcaption span:last-child{color:var(--accent);text-align:right}
.section{padding-block:100px;scroll-margin-top:85px}.section-heading{margin-bottom:46px}.section-index{display:block;margin-bottom:18px}.section h2{font-size:clamp(2.3rem,4.8vw,4.25rem);margin:0}.heading-row{display:flex;justify-content:space-between;align-items:end;gap:32px}.heading-row>p{max-width:255px;font-size:13px;margin:0 0 7px}
.about-layout{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,8vw,110px);border-top:1px solid var(--line);padding-top:34px}.lead{font:400 clamp(1.4rem,2.4vw,2.15rem)/1.48 var(--display);color:var(--text);letter-spacing:-.025em}.lead strong{color:var(--accent);font-weight:500}.about-copy p{font-size:13px;line-height:2;margin-bottom:18px}
.inline-topics,.card-tags{display:flex;flex-wrap:wrap;gap:7px}.inline-topics span,.card-tags span{display:inline-flex;align-items:center;border:1px solid rgba(255,255,255,.11);border-radius:6px;padding:5px 9px;font-size:10px;color:#acbcc9}
.research-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.research-card{min-height:355px;padding:29px;display:flex;flex-direction:column;transition:border-color .22s,transform .22s}.research-card:hover,.project-card:hover,.featured-project:hover{border-color:rgba(145,207,217,.29)}.research-card:hover,.project-card:hover{transform:translateY(-3px)}
.card-number{color:#758899}.research-mark{margin:12px 0 22px;color:var(--accent);font:400 42px/1 var(--display)}.research-card h3{font-size:clamp(1.2rem,2vw,1.55rem);line-height:1.3;margin-bottom:12px}.research-card p{font-size:12px;line-height:1.85;margin-bottom:25px}.research-card .card-tags{margin-top:auto}
.research-note{margin-top:28px;padding:22px 0;border-top:1px solid var(--line);display:grid;grid-template-columns:190px 1fr;gap:24px;align-items:start}.research-note .section-index{margin:0}.research-note p{max-width:650px;margin:0;font-size:13px}
.text-link{display:inline-flex;align-items:center;gap:18px;color:var(--accent);font-size:12px;font-weight:700;white-space:nowrap}.text-link:hover{color:#c3e9ee}.text-link span{transition:transform .2s}.text-link:hover span{transform:translate(2px,-2px)}
.featured-project{display:grid;grid-template-columns:1.05fr .95fr;overflow:hidden;margin-bottom:16px}.featured-visual{display:block;min-height:355px;background:#18232c;overflow:hidden}.featured-visual img{width:100%;height:100%;object-fit:cover;transition:transform .4s}.featured-visual:hover img,.project-thumb:hover img{transform:scale(1.025)}.featured-body{padding:clamp(25px,4vw,54px);display:flex;flex-direction:column;align-items:start}.project-kicker{color:var(--accent)}.project-kicker span{margin-left:14px;color:#758899}.featured-body h3{font-size:clamp(1.65rem,3vw,2.7rem);margin:24px 0 16px}.featured-body p{font-size:12px;line-height:1.95;margin-bottom:20px}.featured-body .text-link{margin-top:auto;padding-top:30px}
.project-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.project-card{overflow:hidden;transition:transform .2s,border-color .2s}.project-thumb{display:block;aspect-ratio:16/9;overflow:hidden;background:#18232c}.project-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s}.project-body{padding:24px 27px 28px}.project-body h3{font-size:1.45rem;margin:12px 0 8px}.project-body p{font-size:12px;line-height:1.85;min-height:45px}.project-body .text-link{margin-top:12px}
.academic-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:52px}.academic-column{border-top:1px solid var(--line);padding-top:25px}.academic-column>h3{font-size:1.4rem;margin-bottom:30px}.timeline-entry{display:grid;grid-template-columns:128px 1fr;gap:16px;padding:22px 0;border-top:1px solid rgba(255,255,255,.07)}.timeline-entry:first-of-type{border-top:0}.timeline-time{font-size:9px;color:#8ea2b0}.timeline-entry h4{font-size:1.08rem;letter-spacing:-.01em;margin-bottom:6px}.timeline-entry p{font-size:12px;line-height:1.75;margin-bottom:2px}
.contact-section{padding-bottom:115px}.contact-panel{padding:clamp(28px,6vw,74px);background:linear-gradient(130deg,rgba(145,207,217,.085),rgba(255,255,255,.035) 58%)}.contact-panel h2{font-size:clamp(2.35rem,5vw,4.6rem);margin:16px 0 17px}.contact-panel h2 em{font-style:normal;color:var(--accent)}.contact-panel>p{font-size:13px;margin-bottom:27px}
.site-footer{border-top:1px solid var(--line);padding-block:37px 55px;display:flex;justify-content:space-between;gap:30px}.site-footer p{font-size:11px;line-height:1.9;margin:16px 0 0}.footer-end{display:flex;flex-wrap:wrap;align-items:start;justify-content:end;gap:22px;font-size:11px;color:#a3b1bd}.footer-end span:last-child{flex-basis:100%;text-align:right;color:#718391}
.page-intro{padding-block:110px 62px}.page-intro h1{font-size:clamp(3rem,7vw,6rem);margin:18px 0 18px}.page-intro h1 em{font-style:normal;color:var(--accent)}.page-intro>p{max-width:650px;font-size:14px}
.detail-section{padding-block:45px 75px;border-top:1px solid var(--line);scroll-margin-top:110px}.detail-header{display:grid;grid-template-columns:1fr 1fr;gap:42px;align-items:start;margin-bottom:25px}.detail-header h2{font-size:clamp(2rem,4vw,3.5rem);margin:14px 0}.detail-header p{font-size:13px;line-height:1.9}.detail-header .card-tags{margin:18px 0}.detail-image{width:100%;max-height:530px;object-fit:cover;border-radius:14px;border:1px solid var(--line)}.detail-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.detail-grid .detail-image{height:300px}.slide-track{display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;overscroll-behavior-inline:contain;padding:8px 4px 24px;scrollbar-color:#516b78 transparent}.slide-track figure{margin:0;flex:0 0 min(70vw,650px);scroll-snap-align:start}.slide-track img{width:100%;aspect-ratio:16/9;object-fit:contain;background:#151d27;border:1px solid var(--line);border-radius:12px}.slide-track figcaption{font-size:11px;color:#91a4b1;margin-top:9px}.detail-cta{margin-top:22px}
@media(max-width:1050px){.site-nav{gap:17px}.nav-context{display:none}.hero{gap:35px}.hero h1{font-size:clamp(3.2rem,7vw,5rem)}}
@media(max-width:760px){html{scroll-padding-top:92px}.container{width:min(calc(100% - 36px),var(--max))}.site-header{top:10px}.nav-shell{min-height:62px;padding:0 16px;position:relative}.menu-toggle{display:block;margin-left:auto}.site-nav{display:none;position:absolute;left:0;right:0;top:calc(100% + 8px);margin:0;padding:15px;background:#151d27;border:1px solid var(--line);border-radius:16px;box-shadow:0 22px 50px rgba(0,0,0,.35);flex-direction:column;align-items:stretch;gap:0}.site-nav.is-open{display:flex}.site-nav>a{padding:11px 12px;font-size:14px}.site-nav .nav-cv{margin-top:8px;text-align:center}.hero{min-height:0;grid-template-columns:1fr;gap:44px;padding-block:86px 76px}.hero h1{font-size:clamp(3.4rem,11vw,5.7rem)}.portrait-card{width:min(100% - 30px,430px);margin-inline:auto;transform:none}.section{padding-block:72px}.heading-row{align-items:start;flex-direction:column;gap:16px}.about-layout,.academic-grid,.detail-header{grid-template-columns:1fr;gap:20px}.research-grid{grid-template-columns:1fr}.research-card{min-height:290px}.research-note{grid-template-columns:1fr;gap:9px}.featured-project{grid-template-columns:1fr}.featured-visual{min-height:240px;aspect-ratio:16/10}.featured-body{padding:28px}.project-grid{grid-template-columns:1fr}.academic-grid{gap:38px}.site-footer{flex-direction:column}.footer-end{justify-content:start}.footer-end span:last-child{text-align:left}.page-intro{padding-block:85px 40px}.detail-grid{grid-template-columns:1fr}.detail-grid .detail-image{height:auto}.slide-track figure{flex-basis:85vw}}
@media(max-width:420px){.container{width:calc(100% - 28px)}.hero{padding-top:68px}.hero h1{font-size:clamp(3.05rem,12vw,4rem)}.hero-focus{font-size:1.17rem}.hero-description{font-size:13px}.actions .button{width:100%}.portrait-card{width:calc(100% - 20px)}.section h2{font-size:2.25rem}.timeline-entry{grid-template-columns:1fr;gap:6px}.contact-actions .button{width:100%}.contact-panel{padding:26px 21px}.contact-panel h2{font-size:2.3rem}.project-body{padding:20px}.research-card{padding:24px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}
@supports not ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))){.nav-shell{background:#17202a}}