/* Rajdeep Dutta Portfolio — 2026 redesign */
:root{
 --bg:#07111f;--bg-soft:#0a1728;--surface:#0d1b2e;--surface-2:#10223a;--line:#203550;
 --text:#eef6ff;--muted:#9aadC4;--muted-2:#70839f;--violet:#8b5cf6;--teal:#2dd4bf;--cyan:#38bdf8;
 --danger:#fb7185;--amber:#fbbf24;--white:#fff;--shadow:0 22px 70px rgba(0,0,0,.3);
 --grad:linear-gradient(135deg,#8b5cf6 0%,#38bdf8 52%,#2dd4bf 100%);--radius:24px;--max:1180px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:92px}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit}.container{width:min(var(--max),calc(100% - 40px));margin-inline:auto}.skip-link{position:fixed;top:-80px;left:20px;z-index:9999;background:#fff;color:#111;padding:10px 14px;border-radius:10px}.skip-link:focus{top:16px}
.bg-grid{position:fixed;inset:0;pointer-events:none;z-index:-3;background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);background-size:48px 48px;mask-image:linear-gradient(to bottom,#000,transparent 82%)}.bg-orb{position:fixed;z-index:-2;border-radius:999px;filter:blur(100px);opacity:.22;pointer-events:none}.orb-a{width:430px;height:430px;background:#7c3aed;top:-130px;right:-110px}.orb-b{width:420px;height:420px;background:#0fbaa9;bottom:-180px;left:-160px}
.site-nav{position:fixed;inset:0 0 auto;z-index:1000;background:rgba(7,17,31,.72);backdrop-filter:blur(18px);border-bottom:1px solid rgba(32,53,80,.72)}.nav-wrap{height:74px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:11px;text-decoration:none;font-weight:800;letter-spacing:-.02em}.brand-mark{width:40px;height:40px;border-radius:13px;display:grid;place-items:center;background:var(--grad);color:white;box-shadow:0 8px 30px rgba(139,92,246,.3)}.brand small{display:block;font-size:11px;color:var(--muted-2);font-weight:600;letter-spacing:.08em;text-transform:uppercase;margin-top:1px}.nav-links{display:flex;align-items:center;gap:26px}.nav-links a{text-decoration:none;color:var(--muted);font-size:14px;font-weight:650;transition:.2s}.nav-links a:hover,.nav-links a.active{color:#fff}.nav-cta{padding:10px 15px;border:1px solid rgba(139,92,246,.38);border-radius:12px;background:rgba(139,92,246,.1);color:#fff!important}.menu-btn{display:none;width:44px;height:44px;border:1px solid var(--line);background:var(--surface);color:#fff;border-radius:12px;font-size:20px}
main{padding-top:74px}.hero{min-height:calc(100vh - 74px);display:flex;align-items:center;padding:82px 0 74px;position:relative}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:72px;align-items:center}.eyebrow{display:inline-flex;align-items:center;gap:9px;padding:7px 12px;border:1px solid rgba(45,212,191,.24);background:rgba(45,212,191,.08);border-radius:999px;color:#7ef1df;font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.12em}.eyebrow-dot{width:7px;height:7px;border-radius:50%;background:#2dd4bf;box-shadow:0 0 0 7px rgba(45,212,191,.12)}.hero h1{font-size:clamp(48px,7vw,82px);line-height:.98;letter-spacing:-.055em;margin:24px 0 16px}.hero h1 span{display:block;background:var(--grad);-webkit-background-clip:text;color:transparent}.role{font-size:clamp(18px,2.2vw,24px);color:#c7d6e9;font-weight:500;margin:0 0 20px}.hero-copy{max-width:640px;color:var(--muted);font-size:17px;line-height:1.8;margin:0 0 30px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;text-decoration:none;border-radius:14px;padding:13px 18px;font-weight:800;font-size:14px;transition:transform .2s,border-color .2s,background .2s}.btn:hover{transform:translateY(-2px)}.btn-primary{background:var(--grad);color:#fff;box-shadow:0 12px 32px rgba(85,90,240,.25)}.btn-secondary{background:rgba(255,255,255,.035);border:1px solid var(--line);color:#e8f2ff}.mini-social{display:flex;gap:10px;margin-top:28px}.mini-social a{width:42px;height:42px;border-radius:13px;border:1px solid var(--line);background:var(--surface);display:grid;place-items:center;text-decoration:none;color:var(--muted);transition:.2s}.mini-social a:hover{color:#fff;border-color:#586d8b;transform:translateY(-2px)}
.dev-card{border:1px solid var(--line);background:linear-gradient(180deg,rgba(16,34,58,.94),rgba(9,24,41,.96));border-radius:30px;overflow:hidden;box-shadow:var(--shadow);transform:rotate(1.2deg)}.dev-top{height:58px;display:flex;align-items:center;gap:8px;padding:0 18px;border-bottom:1px solid var(--line);background:#0c1a2d}.dev-top i{width:11px;height:11px;border-radius:50%;display:block}.dev-top i:nth-child(1){background:#ff625a}.dev-top i:nth-child(2){background:#ffbf44}.dev-top i:nth-child(3){background:#2bd26f}.dev-file{margin-left:10px;color:#71859f;font:12px ui-monospace,SFMono-Regular,Menlo,monospace}.dev-body{padding:30px;font:14px/1.8 ui-monospace,SFMono-Regular,Menlo,monospace;color:#afc0d8;min-height:336px}.c-key{color:#c99cff}.c-fn{color:#79c9ff}.c-str{color:#85e3bd}.c-val{color:#f7ca7b}.dev-stats{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line)}.dev-stat{padding:20px 12px;text-align:center;border-right:1px solid var(--line)}.dev-stat:last-child{border:0}.dev-stat strong{display:block;font-size:24px;color:#fff;letter-spacing:-.04em}.dev-stat span{font-size:11px;color:var(--muted-2);text-transform:uppercase;letter-spacing:.08em}
.section{padding:108px 0}.section-alt{background:linear-gradient(180deg,rgba(10,23,40,.7),rgba(10,23,40,.3))}.section-head{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:end;margin-bottom:42px}.kicker{color:#7fe8dc;font-weight:800;font-size:12px;letter-spacing:.16em;text-transform:uppercase;margin-bottom:10px}.section h2,.terms-hero h1{font-size:clamp(34px,5vw,56px);line-height:1.02;letter-spacing:-.045em;margin:0}.section-lead{color:var(--muted);line-height:1.75;margin:0;max-width:580px;justify-self:end}
.skills{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}.skill{border:1px solid var(--line);background:rgba(13,27,46,.82);border-radius:18px;padding:20px 14px;min-height:116px;display:flex;flex-direction:column;justify-content:space-between;transition:.25s}.skill:hover{transform:translateY(-4px);border-color:#4a6385;background:#10213a}.skill i{font-size:24px;color:#87a8cc}.skill span{font-size:13px;font-weight:800;color:#eef6ff}.skill:nth-child(3n+1) i{color:#a98cff}.skill:nth-child(3n+2) i{color:#56dfcc}.skill:nth-child(3n) i{color:#6dcaff}
.timeline{position:relative;max-width:930px;margin:auto}.timeline:before{content:"";position:absolute;left:17px;top:8px;bottom:8px;width:1px;background:linear-gradient(#8b5cf6,#2dd4bf)}.timeline-item{position:relative;padding-left:58px;margin-bottom:18px}.timeline-dot{position:absolute;left:4px;top:24px;width:27px;height:27px;border-radius:50%;border:7px solid var(--bg);background:#8b5cf6;box-shadow:0 0 0 1px #4b5f7b}.timeline-item:last-child .timeline-dot{background:#2dd4bf}.timeline-card{border:1px solid var(--line);background:rgba(13,27,46,.86);border-radius:22px;padding:24px 26px;display:grid;grid-template-columns:180px 1fr;gap:24px;transition:.2s}.timeline-card:hover{border-color:#486080}.period{font-size:12px;color:#82eedf;text-transform:uppercase;letter-spacing:.11em;font-weight:850}.timeline-card h3{margin:0 0 5px;font-size:19px}.company{color:#a98cff;font-size:13px;font-weight:800;letter-spacing:.05em}.timeline-card p{margin:10px 0 0;color:var(--muted);line-height:1.65;font-size:14px}
.project-toolbar{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:28px}.filter-tabs{display:flex;gap:8px;flex-wrap:wrap}.filter-btn{border:1px solid var(--line);background:#0c1a2d;color:var(--muted);padding:9px 13px;border-radius:999px;font-weight:800;font-size:12px;cursor:pointer}.filter-btn.active{background:rgba(139,92,246,.16);border-color:rgba(139,92,246,.42);color:#fff}.project-count{font-size:13px;color:var(--muted-2)}.projects{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.project-card{border:1px solid var(--line);background:#0d1b2e;border-radius:25px;overflow:hidden;display:flex;flex-direction:column;min-height:100%;transition:.28s;box-shadow:0 2px 0 rgba(255,255,255,.01)}.project-card:hover{transform:translateY(-5px);border-color:#4d6485;box-shadow:0 22px 55px rgba(0,0,0,.22)}.project-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:#091726}.project-media img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s}.project-card:hover .project-media>img{transform:scale(1.025)}.project-overlay{position:absolute;inset:auto 0 0;padding:44px 18px 14px;background:linear-gradient(transparent,rgba(5,12,22,.88));display:flex;justify-content:space-between;align-items:end}.badge{display:inline-flex;padding:6px 9px;border-radius:10px;background:rgba(7,17,31,.8);border:1px solid rgba(255,255,255,.16);font-size:11px;font-weight:850;letter-spacing:.07em;text-transform:uppercase;backdrop-filter:blur(8px)}.preview-note{font-size:11px;color:#d8e6f6;background:rgba(7,17,31,.76);padding:5px 8px;border-radius:8px;backdrop-filter:blur(8px)}.site-collage{height:100%;display:grid;gap:6px;padding:8px;background:#091726}.site-collage.two{grid-template-columns:1fr 1fr}.site-collage.three{grid-template-columns:1fr 1fr 1fr}.site-collage img{border-radius:12px;object-fit:cover;min-width:0}.project-body{padding:24px;display:flex;flex-direction:column;flex:1}.project-topline{display:flex;align-items:start;justify-content:space-between;gap:14px;margin-bottom:10px}.project-card h3{margin:0;font-size:22px;letter-spacing:-.025em}.project-icon{width:42px;height:42px;border-radius:13px;background:rgba(139,92,246,.12);display:grid;place-items:center;color:#b19aff;flex:0 0 auto}.project-desc{color:var(--muted);line-height:1.7;font-size:14px;margin:0 0 16px}.features{display:grid;gap:8px;margin:0 0 18px;padding:0;list-style:none}.features li{color:#bdcbe0;font-size:13px;display:flex;gap:9px;align-items:flex-start}.features li:before{content:"";width:6px;height:6px;border-radius:50%;background:#2dd4bf;margin-top:7px;flex:0 0 auto}.tags{display:flex;gap:7px;flex-wrap:wrap;margin-top:auto}.tag{font-size:11px;color:#88a0bd;background:#091827;border:1px solid #1d3350;padding:5px 8px;border-radius:8px}.project-links{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}.project-link{font-size:13px;font-weight:800;text-decoration:none;color:#eaf3ff;display:inline-flex;align-items:center;gap:7px}.project-link:hover{color:#7fe8dc}.project-section-label{grid-column:1/-1;margin:30px 0 0;display:flex;align-items:center;gap:14px;color:#cbd9eb;font-weight:850;font-size:13px;letter-spacing:.1em;text-transform:uppercase}.project-section-label:after{content:"";height:1px;background:var(--line);flex:1}
.contact-card{padding:54px;border:1px solid var(--line);background:linear-gradient(135deg,rgba(139,92,246,.12),rgba(45,212,191,.08));border-radius:32px;display:grid;grid-template-columns:1.2fr .8fr;gap:48px;align-items:center;overflow:hidden;position:relative}.contact-card:after{content:"</>";position:absolute;right:-18px;bottom:-62px;font:900 190px ui-monospace;color:rgba(255,255,255,.025)}.contact-card h2{font-size:clamp(34px,5vw,56px);margin:0 0 14px}.contact-card p{color:var(--muted);line-height:1.7;max-width:650px}.contact-list{display:grid;gap:12px}.contact-item{display:flex;align-items:center;gap:12px;color:#dbe7f6;font-size:14px}.contact-item i{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);display:grid;place-items:center;color:#72e7d8;background:#0b1a2c}.footer{padding:30px 0 44px;color:#7588a4;font-size:12px}.footer-wrap{border-top:1px solid var(--line);padding-top:24px;display:flex;justify-content:space-between;gap:20px;align-items:center}.footer a{text-decoration:none}.footer a:hover{color:#fff}
/* terms */.terms-main{padding-top:74px}.terms-hero{padding:76px 0 40px}.terms-hero .container{max-width:980px}.terms-hero p{color:var(--muted);line-height:1.8;max-width:760px}.updated{display:inline-flex;margin-top:12px;padding:7px 10px;border-radius:9px;background:rgba(45,212,191,.08);border:1px solid rgba(45,212,191,.22);color:#79eadc;font-size:11px;font-weight:850;letter-spacing:.08em;text-transform:uppercase}.terms-layout{max-width:980px;margin:auto;padding-bottom:100px}.terms-card{border:1px solid var(--line);border-radius:28px;background:rgba(13,27,46,.82);overflow:hidden}.terms-body{padding:12px 40px 36px}.terms-section{padding:30px 0;border-bottom:1px solid var(--line)}.terms-section:last-child{border:0}.terms-section h2{font-size:20px;display:flex;align-items:center;gap:11px;margin:0 0 14px;letter-spacing:-.02em}.terms-section h2 i{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;background:rgba(139,92,246,.1);color:#b39cff;font-size:15px}.terms-section p,.terms-section li{color:var(--muted);line-height:1.75;font-size:14px}.terms-section ul{padding-left:20px}.terms-section strong{color:#edf5ff}.warning-box{background:rgba(251,113,133,.08);border:1px solid rgba(251,113,133,.2);border-left:3px solid #fb7185;border-radius:14px;padding:15px 17px}.warning-box p{margin:0;color:#efb2bc}.contact-box{margin-top:28px;padding:22px;border-radius:17px;background:rgba(45,212,191,.07);border:1px solid rgba(45,212,191,.18)}.contact-box h3{margin:0 0 8px;display:flex;gap:8px;align-items:center}.contact-box p{margin:0}.contact-box a{color:#7cebdc}
.reveal{opacity:0;transform:translateY(14px);transition:opacity .65s ease,transform .65s ease}.reveal.in{opacity:1;transform:none}.scroll-progress{position:fixed;left:0;top:0;height:2px;background:var(--grad);width:0;z-index:2000}.backtop{position:fixed;right:18px;bottom:18px;width:45px;height:45px;border-radius:14px;border:1px solid var(--line);background:#0d1b2e;color:#fff;display:grid;place-items:center;text-decoration:none;opacity:0;pointer-events:none;transition:.2s;z-index:500}.backtop.show{opacity:1;pointer-events:auto}
@media(max-width:1000px){.hero-grid{grid-template-columns:1fr;gap:42px}.dev-card{max-width:760px;transform:none}.skills{grid-template-columns:repeat(4,1fr)}.section-head{grid-template-columns:1fr}.section-lead{justify-self:start}.contact-card{grid-template-columns:1fr}.projects{grid-template-columns:1fr}.timeline-card{grid-template-columns:150px 1fr}}
@media(max-width:760px){.container{width:min(100% - 28px,var(--max))}.nav-links{position:absolute;top:74px;left:14px;right:14px;display:none;flex-direction:column;align-items:stretch;background:#0b1a2d;border:1px solid var(--line);border-radius:18px;padding:12px;gap:2px;box-shadow:var(--shadow)}.nav-links.open{display:flex}.nav-links a{padding:12px;border-radius:10px}.nav-cta{text-align:center}.menu-btn{display:grid;place-items:center}.hero{padding:58px 0}.hero h1{font-size:50px}.dev-body{font-size:12px;padding:22px;min-height:300px}.dev-stats{grid-template-columns:repeat(3,1fr)}.dev-stat{padding:14px 7px}.dev-stat strong{font-size:20px}.section{padding:80px 0}.skills{grid-template-columns:repeat(3,1fr)}.timeline-card{grid-template-columns:1fr;gap:12px}.project-toolbar{align-items:flex-start;flex-direction:column}.contact-card{padding:34px 24px}.terms-hero{padding:55px 0 30px}.terms-body{padding:6px 22px 28px}.footer-wrap{flex-direction:column;align-items:flex-start}.site-collage.three{grid-template-columns:1fr 1fr}.site-collage.three img:last-child{grid-column:1/-1}}
@media(max-width:480px){.hero h1{font-size:44px}.hero-copy{font-size:15px}.skills{grid-template-columns:repeat(2,1fr)}.dev-card{display:none}.hero{min-height:auto;padding-bottom:72px}.section h2,.terms-hero h1{font-size:38px}.project-body{padding:20px}.project-card h3{font-size:20px}.contact-card{border-radius:24px}.terms-section h2{align-items:flex-start}.site-collage.two,.site-collage.three{grid-template-columns:1fr}.site-collage.three img:last-child{grid-column:auto}.site-collage img:nth-child(n+2){display:none}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}.reveal{opacity:1;transform:none}}