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.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}.reveal.visible{opacity:1;transform:translateY(0)}


/* --- Immersive 3D environment --- */
:root{--scene-a:8,11,22;--scene-b:24,17,53;--scene-glow:147,111,255}
body{background:rgb(var(--scene-a));transition:background-color .7s ease}
#world3d{position:fixed;inset:0;width:100%;height:100%;z-index:-3;pointer-events:none;opacity:.82}
.scene-vignette{position:fixed;inset:0;z-index:-2;pointer-events:none;background:
 radial-gradient(ellipse at 50% 45%,transparent 0%,rgba(8,11,22,.13) 45%,rgba(8,11,22,.82) 100%),
 linear-gradient(180deg,rgba(8,11,22,.15),rgba(8,11,22,.48))}
.noise{z-index:15}
.topbar{background:rgba(8,11,22,.72)}
.content-section{position:relative;isolation:isolate;background:linear-gradient(115deg,rgba(var(--scene-b),.17),rgba(8,11,22,.20) 60%,rgba(var(--scene-glow),.035));transition:background .8s ease,border-color .8s ease}
.content-section:before{content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;opacity:.7;background:radial-gradient(ellipse at 8% 10%,rgba(var(--scene-glow),.10),transparent 38%)}
.hero{position:relative}
.hero:after{content:"";position:absolute;left:-10%;top:10%;width:45vw;height:45vw;max-width:600px;max-height:600px;border-radius:50%;background:radial-gradient(circle,rgba(145,110,255,.10),transparent 68%);filter:blur(20px);pointer-events:none;z-index:-1}
.skill-card,.project-card,.snapshot-grid article,.process-grid article,.values-grid article,.certificate-panel,.code-window{transform-style:preserve-3d;will-change:transform;transition:transform .25s ease,border-color .3s ease,box-shadow .3s ease}
.skill-card:hover,.project-card:hover,.snapshot-grid article:hover,.process-grid article:hover,.values-grid article:hover{box-shadow:0 24px 65px rgba(var(--scene-glow),.16),0 0 0 1px rgba(var(--scene-glow),.3);border-color:rgba(var(--scene-glow),.55)}
.skill-card>* , .project-body>*{transform:translateZ(14px)}
.project-art{transform:translateZ(0)}
.btn,.nav-cta,.email-link,.socials a,.project-body>a,.topbar nav a{transition:transform .22s ease,color .22s ease,filter .22s ease}
.btn:hover,.nav-cta:hover{filter:drop-shadow(0 10px 20px rgba(var(--scene-glow),.28))}
a:hover{color:#d4c2ff}
.tech-float{backdrop-filter:blur(12px);transform-style:preserve-3d}
.hero-visual{perspective:1200px}
.code-window{backface-visibility:hidden}
.section-label{position:relative}
.section-label:after{content:"";height:1px;flex:1;margin-left:24px;max-width:120px;background:linear-gradient(90deg,rgba(var(--scene-glow),.8),transparent)}
@media(max-width:620px){#world3d{opacity:.48}.scene-vignette{background:rgba(8,11,22,.48)}}
@media(prefers-reduced-motion:reduce){#world3d{display:none}}

.hero-visual:before{content:'';position:absolute;inset:0;pointer-events:none;background:radial-gradient(260px circle at var(--mouse-x,50%) var(--mouse-y,50%),rgba(171,143,255,.12),transparent 72%);z-index:1;transition:background .15s}

/* ===== v2: name in header, active nav, deeper 3D hover, achievements ===== */
body,.content-section{transition:none}

/* Name in the top bar */
.brand{display:flex;align-items:baseline;gap:9px;font-family:Manrope,sans-serif;font-size:19px;font-weight:900;letter-spacing:.14em;line-height:1;perspective:420px;white-space:nowrap}
.brand b,.brand i{display:inline-block;font-style:normal;transition:transform .4s cubic-bezier(.2,.8,.2,1),text-shadow .4s}
.brand b{color:#fff}
.brand i{color:#b58cff}
.brand:hover b{transform:rotateX(-26deg) translateY(-2px);text-shadow:0 10px 24px rgba(var(--scene-glow),.7)}
.brand:hover i{transform:rotateX(26deg) translateY(2px);text-shadow:0 10px 24px rgba(var(--scene-glow),.7)}
footer .brand{font-size:15px}

/* Nav with active section indicator */
.topbar nav{gap:26px}
.topbar nav a{position:relative;padding:8px 0}
.topbar nav a:after{content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;border-radius:2px;background:linear-gradient(90deg,rgb(var(--scene-glow)),transparent);transform:scaleX(0);transform-origin:left;transition:transform .35s ease}
.topbar nav a.active{color:#fff}
.topbar nav a.active:after,.topbar nav a:hover:after{transform:scaleX(1)}

/* Mouse-hover 3D: tilt + moving light glare */
.tilt{position:relative}
.tilt:before{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;z-index:1;opacity:0;transition:opacity .3s;background:radial-gradient(360px circle at var(--gx,50%) var(--gy,50%),rgba(var(--scene-glow),.20),transparent 62%)}
.tilt:hover:before{opacity:1}
.tilt.reveal{transition:opacity .8s ease,transform .8s ease,border-color .3s,box-shadow .3s}
.tilt.reveal.visible{transition:opacity .8s ease,transform .22s ease-out,border-color .3s,box-shadow .3s}
.snapshot-grid article.tilt,.process-grid article.tilt,.values-grid article.tilt{transition:transform .22s ease-out,border-color .3s,box-shadow .3s}
.tilt>*{transform:translateZ(16px)}

/* Hero: tilt follows the mouse (driven from script.js) */
.code-window{animation:none;transition:border-color .3s,box-shadow .3s}
.tech-float,.orbit{will-change:translate}

/* Achievements & certifications */
.cert-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}
.cert-card{position:relative;overflow:hidden;padding:28px;min-height:300px;border:1px solid #ffffff18;border-radius:10px;background:rgba(16,21,40,.78);backdrop-filter:blur(6px)}
.cert-card:after{content:"";position:absolute;width:150px;height:150px;border-radius:50%;right:-60px;top:-60px;background:var(--glow);filter:blur(34px);opacity:.28;pointer-events:none}
.cert-card h3{font-size:21px;line-height:1.25;margin:8px 0 10px}
.cert-card p{font-size:12px;line-height:1.8;color:#a4a9bf;margin:0 0 18px}
.cert-type{font:8px "DM Mono",monospace;letter-spacing:1.4px;color:#8b91ac}
.cert-badge{width:50px;height:50px;border-radius:50%;display:grid;place-items:center;margin-bottom:22px;background:var(--glow);color:#12132a;font-weight:900;font-size:17px;box-shadow:0 0 30px var(--glow)}
.cert-feature{grid-column:1/-1;min-height:0;display:grid;grid-template-columns:78px 1fr 120px;gap:26px;align-items:center;padding:34px;--glow:#ffcf6e;border-color:#ffd37a55;background:linear-gradient(120deg,rgba(58,40,16,.72),rgba(16,21,40,.82))}
.cert-feature .cert-badge{width:68px;height:68px;font-size:32px;margin:0}
.cert-feature h3{font-size:clamp(24px,3.4vw,36px);letter-spacing:-1.2px}
.cert-feature p{max-width:640px;margin-bottom:16px}
.cert-feature strong{color:#ffdf9c}
.cert-feature .mini-kicker{color:#ffd37a}
.cert-side{font:800 16px/1.6 "DM Mono",monospace;color:#d9b673;text-align:right;letter-spacing:3px}

/* Responsive nav: hamburger below 1000px */
@media(max-width:1000px){
 .nav-cta{display:none}
 .menu{display:block;margin-left:auto}
 .topbar nav{display:none;position:absolute;top:82px;left:0;right:0;background:rgba(14,18,38,.96);backdrop-filter:blur(18px);padding:14px 7% 20px;flex-direction:column;gap:4px;border-bottom:1px solid #ffffff20}
 .topbar nav.open{display:flex}
 .topbar nav a{padding:12px 0;font-size:12px}
 .topbar nav a:after{bottom:6px;right:auto;width:36px}
}
@media(max-width:900px){.cert-grid{grid-template-columns:repeat(2,1fr)}.cert-feature{grid-template-columns:70px 1fr}.cert-side{display:none}}
@media(max-width:620px){
 .topbar nav{top:68px}
 .brand{font-size:16px;letter-spacing:.1em;gap:7px}
 .cert-grid{grid-template-columns:1fr}
 .cert-feature{grid-template-columns:1fr;gap:16px;padding:24px}
 .cert-card{min-height:0}
}
@media(prefers-reduced-motion:reduce){.tilt>*{transform:none}.tilt:before{display:none}}
.tilt{transform-style:preserve-3d;will-change:transform}

/* Brain tumor project art */
.brain-art{background:radial-gradient(circle at 50% 40%,#e0a7cf,#6e2f5a 62%,#24101f)}
.brain-scan{width:84px;height:96px;border-radius:48% 52% 45% 55% / 58% 60% 40% 42%;position:relative;background:linear-gradient(90deg,#ffb7e2 49%,#c86aa8 50%,#f0a0cf);box-shadow:inset -9px -12px 20px rgba(30,10,25,.4),inset 6px 8px 14px rgba(255,255,255,.28);animation:breathe 5s ease-in-out infinite}
.brain-scan:after{content:"";position:absolute;left:50%;top:-6px;bottom:-6px;width:2px;background:rgba(120,50,100,.4);transform:translateX(-1px)}
.brain-scan i{position:absolute;left:50%;top:50%;width:34px;height:34px;transform:translate(-50%,-50%);border:1.5px solid rgba(255,255,255,.45);border-radius:50%}
@keyframes breathe{0%,100%{transform:scale(1)}50%{transform:scale(1.05)}}
.project-note{display:inline-block;margin-top:14px;font:9px "DM Mono",monospace;letter-spacing:1px;color:#d7bfe8;border:1px solid #a887ff66;border-radius:30px;padding:7px 12px;background:rgba(168,135,255,.08)}

/* 3D toggle + universal hover */
.three-toggle{font:9px "DM Mono",monospace;letter-spacing:1.4px;color:#cdc6e8;border:1px solid #ffffff18;background:rgba(255,255,255,.04);padding:9px 13px;border-radius:30px;cursor:pointer;white-space:nowrap}
.three-toggle span{color:#57e6b1;margin-left:6px}
.three-toggle[aria-pressed="false"] span{color:#8b91ac}
.three-toggle:hover{border-color:rgba(var(--scene-glow),.55);filter:drop-shadow(0 0 12px rgba(var(--scene-glow),.35))}
.brand,.brand b,.brand i{cursor:pointer !important;-webkit-user-select:none;user-select:none;-webkit-user-drag:none}
.cc-icon svg{width:20px;height:20px;display:block}
.contact-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:34px}
.contact-card{border:1px solid #ffffff18;background:rgba(255,255,255,.03);border-radius:12px;padding:22px;text-align:left;position:relative;overflow:hidden;cursor:pointer}
.contact-card:hover{border-color:rgba(var(--scene-glow),.5);background:rgba(var(--scene-glow),.06)}
.cc-icon{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;font-weight:900;color:#12132a;font-size:15px;margin-bottom:16px;background:rgba(var(--scene-glow),.9)}
.contact-card b{font-size:11px;letter-spacing:1.6px;color:#cdc6e8}
.contact-card p{margin:6px 0 0;font-size:13px;color:#a4a9bf;word-break:break-all}
@media(max-width:900px){.contact-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.contact-grid{grid-template-columns:1fr}}
.github-cta{margin-top:28px;border-radius:16px;padding:2px;background:linear-gradient(120deg,rgba(var(--scene-glow),.85),rgba(var(--scene-b),.95))}
.github-cta a{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;padding:24px 28px;border-radius:14px;background:#0d1128;box-shadow:0 20px 50px rgba(var(--scene-glow),.12)}
.github-cta:hover{filter:drop-shadow(0 0 26px rgba(var(--scene-glow),.45))}
.github-cta span{font:10px "DM Mono",monospace;letter-spacing:2px;color:#fff;background:rgba(var(--scene-glow),.9);padding:6px 12px;border-radius:30px}
.github-cta b{font-size:20px;letter-spacing:-.4px;color:#fff;text-shadow:0 0 20px rgba(var(--scene-glow),.6)}
.github-cta b em{font-style:normal;color:rgb(var(--scene-glow))}
.github-cta p{margin:0;font-size:12.5px;color:#c6c9da}
@media(max-width:620px){.github-cta a{padding:20px 22px}.github-cta b{font-size:16px}}
.project-shot{position:relative;width:100%;height:220px;background:#0b0f1f}
.shot-browser{position:absolute;inset:0;display:flex;flex-direction:column;overflow:hidden;border-radius:10px 10px 0 0;box-shadow:0 14px 34px rgba(0,0,0,.4)}
.shot-bar{display:flex;align-items:center;gap:7px;padding:9px 13px;background:#171c38;border-bottom:1px solid #ffffff12}
.shot-bar i{width:11px;height:11px;border-radius:50%;background:#ff5f57;box-shadow:0 0 6px rgba(255,95,87,.55)}
.shot-bar i:nth-child(2){background:#febc2e;box-shadow:0 0 6px rgba(254,188,46,.55)}
.shot-bar i:nth-child(3){background:#28c840;box-shadow:0 0 6px rgba(40,200,64,.55)}
.shot-img{flex:1;min-height:0}
.shot-img img{width:100%;height:100%;object-fit:cover;display:block}
.shot-fallback{width:100%;height:100%;display:grid;place-items:center;text-align:center;padding:20px;color:#fff;font-weight:800;font-size:15px;letter-spacing:.2px;background:linear-gradient(135deg,#1e1338,#0b1226)}
.proj-num{position:absolute;top:12px;right:12px;z-index:3;font:800 15px "DM Mono",monospace;color:#fff;background:rgba(8,11,22,.66);border:1px solid #ffffff22;border-radius:30px;padding:4px 11px;backdrop-filter:blur(6px)}
.gh-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;margin-top:18px;background:linear-gradient(120deg,#8B5CF6,#3B82F6)!important;color:#FFFFFF!important;font-weight:700!important;font-size:16px!important;letter-spacing:.2px;padding:14px 28px;border-radius:12px;border:0;transition:transform .2s ease,box-shadow .2s ease,filter .2s ease}
.gh-btn span{font-size:17px;line-height:1}
.gh-btn:hover{transform:translateY(-3px);box-shadow:0 16px 40px rgba(139,92,246,.45);filter:brightness(1.06);color:#FFFFFF!important}
@media(max-width:620px){.gh-btn{width:100%}}
a,button{transition:transform .22s ease,color .22s ease,filter .22s ease}
h1:hover,h2:hover,h3:hover,em:hover,strong:hover,.tagline:hover{text-shadow:0 0 26px rgba(var(--scene-glow),.4)}
.brand{transition:transform .25s cubic-bezier(.2,.8,.2,1)}
@media(max-width:1000px){.three-toggle{margin-left:auto;margin-right:12px}}
.no-3d #world3d{display:none}
.no-3d{background:radial-gradient(circle at 50% 0%,rgba(var(--scene-b),.45),transparent 55%),linear-gradient(180deg,rgb(var(--scene-a)),rgb(var(--scene-b)))}

/* Card 05 art (matches the other illustrated project cards) */
.brain-art{background:radial-gradient(circle at 50% 45%,#7a3a78,#2a1430 68%,#160c22)}
.brain-scan{width:170px;height:140px;position:relative;overflow:hidden;border:1px solid #ffb8f25c;border-radius:50% 50% 46% 46%/58% 58% 42% 42%;box-shadow:0 0 45px #ff7ad933}
.brain-scan:before{content:"";position:absolute;left:50%;top:10px;bottom:10px;width:1px;background:#ffd0f58a;box-shadow:0 0 8px #ff9be8}
.brain-scan:after{content:"";position:absolute;left:0;right:0;top:10px;height:1px;background:#ff9be8;box-shadow:0 0 12px #ff9be8;animation:scan 3s linear infinite}
.brain-scan i{position:absolute;border:2px solid #ffc6f29c;border-radius:50%;filter:drop-shadow(0 0 8px #ff9be8)}
.brain-scan i:first-child{left:20px;top:30px;width:52px;height:34px}
.brain-scan i:nth-child(2){right:20px;bottom:26px;width:46px;height:30px}
.brain-scan b{position:absolute;right:48px;top:46px;width:14px;height:14px;border-radius:50%;background:#ffe27a;box-shadow:0 0 18px 6px #ffd35c88}