/* Kuldeep Chouhan — Neo Glass Portfolio */
:root{--bg:#05070f;--tx:#e9edf9;--mu:#9aa5c4;--a1:#7c5cff;--a2:#22d3ee;--a3:#f472b6;--gl:rgba(255,255,255,.06);--gb:rgba(255,255,255,.13);--r:22px;
--g:linear-gradient(120deg,#a78bfa,#22d3ee 55%,#f0abfc)}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{font-family:'Inter',system-ui,sans-serif;background:var(--bg);color:var(--tx);line-height:1.7;overflow-x:hidden;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{font-family:'Space Grotesk','Inter',sans-serif;line-height:1.15;letter-spacing:-.02em}
a{color:inherit;text-decoration:none}img{max-width:100%;display:block}
::selection{background:var(--a1);color:#fff}
/* aurora background */
.bg{position:fixed;inset:0;z-index:-1;overflow:hidden;background:radial-gradient(1200px 700px at 50% -10%,#141a3a,transparent 70%),var(--bg)}
.bg i{position:absolute;border-radius:50%;filter:blur(90px);opacity:.5;animation:fl 18s ease-in-out infinite alternate}
.bg i:nth-child(1){width:520px;height:520px;background:#6d4aff;top:-120px;left:-140px}
.bg i:nth-child(2){width:460px;height:460px;background:#0ea5c6;top:35%;right:-160px;animation-delay:-6s}
.bg i:nth-child(3){width:420px;height:420px;background:#d946a8;bottom:-140px;left:25%;animation-delay:-12s;opacity:.35}
@keyframes fl{to{transform:translate(60px,-50px) scale(1.15)}}
.bg:after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:56px 56px;-webkit-mask-image:radial-gradient(ellipse at 50% 30%,#000,transparent 75%);mask-image:radial-gradient(ellipse at 50% 30%,#000,transparent 75%)}
#bar{position:fixed;top:0;left:0;height:3px;width:0;background:var(--g);z-index:200;box-shadow:0 0 12px var(--a2)}
/* glass */
.glass{position:relative;background:var(--gl);border:1px solid var(--gb);border-radius:var(--r);-webkit-backdrop-filter:blur(18px) saturate(150%);backdrop-filter:blur(18px) saturate(150%);box-shadow:0 20px 50px -25px rgba(0,0,0,.7),inset 0 1px 0 rgba(255,255,255,.12);overflow:hidden;transition:border-color .3s,transform .3s}
.glass:before{content:"";position:absolute;inset:0;background:radial-gradient(260px circle at var(--mx,50%) var(--my,0%),rgba(139,120,255,.22),transparent 60%);opacity:0;transition:opacity .3s;pointer-events:none}
.glass:hover{border-color:rgba(167,139,250,.5)}.glass:hover:before{opacity:1}
/* nav */
header{position:fixed;top:14px;left:50%;transform:translateX(-50%);width:min(1100px,calc(100% - 24px));z-index:100;display:flex;align-items:center;justify-content:space-between;padding:10px 14px 10px 18px;border-radius:999px}
.logo{display:flex;align-items:center;gap:10px;font:700 1.15rem 'Space Grotesk';color:#fff}
.kp-icon{width:34px;height:34px;color:var(--a2);filter:drop-shadow(0 0 8px var(--a2))}
nav ul{display:flex;gap:4px;list-style:none}
nav a{display:block;padding:8px 14px;border-radius:999px;font-size:.88rem;font-weight:500;color:var(--mu);transition:.25s}
nav a:hover,nav a.active{color:#fff;background:rgba(255,255,255,.1)}
.hire{padding:9px 20px;border-radius:999px;font-weight:600;font-size:.88rem;color:#fff;background:linear-gradient(135deg,var(--a1),#4f8bff);box-shadow:0 8px 22px -8px var(--a1)}
#menu{display:none;background:none;border:0;color:#fff;font-size:1.4rem;cursor:pointer}
header.glass{overflow:visible}header.glass:before{border-radius:inherit}
.m-only{display:none}
#menu{width:42px;height:42px;border-radius:50%;place-items:center;background:rgba(255,255,255,.08);border:1px solid var(--gb);transition:.25s}
#menu:active{transform:scale(.92)}
@media(max-width:860px){#menu{display:grid}.hire{display:none}.m-only{display:block}
 nav{position:absolute;top:calc(100% + 10px);left:0;right:0;background:rgba(10,13,30,.94);-webkit-backdrop-filter:blur(22px) saturate(160%);backdrop-filter:blur(22px) saturate(160%);border:1px solid var(--gb);border-radius:26px;padding:12px;box-shadow:0 30px 60px -20px rgba(0,0,0,.8);opacity:0;visibility:hidden;transform:translateY(-10px) scale(.98);transform-origin:top right;transition:opacity .25s,transform .25s,visibility .25s}
 nav.open{opacity:1;visibility:visible;transform:none}
 nav ul{flex-direction:column;gap:2px}nav a{padding:14px 18px;font-size:1rem;color:var(--tx)}
 nav a.active{background:linear-gradient(135deg,rgba(124,92,255,.35),rgba(34,211,238,.18));color:#fff}
 nav .hire-m{margin-top:6px;text-align:center;font-weight:600;background:linear-gradient(135deg,var(--a1),#4f8bff 60%,var(--a2));box-shadow:0 10px 26px -10px var(--a1)}}
/* layout */
section{padding:100px 20px 40px;max-width:1150px;margin:0 auto;position:relative}
.eyebrow{display:inline-block;font:600 .75rem 'JetBrains Mono',monospace;letter-spacing:.18em;text-transform:uppercase;color:var(--a2);margin-bottom:10px}
.heading{font-size:clamp(2rem,6vw,3rem);margin-bottom:38px}.heading span,.gt{background:var(--g);-webkit-background-clip:text;background-clip:text;color:transparent}
.btn{display:inline-flex;align-items:center;gap:10px;padding:13px 26px;border-radius:999px;font-weight:600;font-size:.95rem;border:1px solid var(--gb);transition:.3s;cursor:pointer;font-family:inherit;color:#fff;background:var(--gl)}
.btn.pri{background:linear-gradient(135deg,var(--a1),#4f8bff 60%,var(--a2));border:0;box-shadow:0 14px 34px -12px var(--a1)}
.btn:hover{transform:translateY(-3px);box-shadow:0 14px 34px -12px var(--a2)}
/* hero */
.home{min-height:100vh;display:grid;grid-template-columns:1.1fr .9fr;gap:30px;align-items:center;padding-top:130px}
.badge{display:inline-flex;align-items:center;gap:9px;padding:7px 16px;border-radius:999px;font-size:.82rem;color:#bff7e3;background:rgba(16,185,129,.12);border:1px solid rgba(16,185,129,.35)}
.badge b{width:8px;height:8px;border-radius:50%;background:#34d399;box-shadow:0 0 0 0 #34d399;animation:pg 1.8s infinite}
@keyframes pg{70%{box-shadow:0 0 0 10px transparent}}
.home h1{font-size:clamp(2.6rem,8.5vw,4.9rem);margin:18px 0 12px}
.type{font:500 clamp(1rem,3.4vw,1.35rem) 'JetBrains Mono',monospace;color:var(--mu);min-height:2em}.type span{color:var(--a2)}
.lead{max-width:540px;color:var(--mu);margin:14px 0 26px}
.cta{display:flex;flex-wrap:wrap;gap:12px}
.soc{display:flex;gap:12px;margin-top:26px;list-style:none}
.soc a{width:46px;height:46px;display:grid;place-items:center;border-radius:14px;font-size:1.15rem;background:var(--gl);border:1px solid var(--gb);transition:.3s}
.soc a:hover{transform:translateY(-4px);background:var(--a1);border-color:var(--a1);box-shadow:0 10px 24px -8px var(--a1)}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:34px;max-width:520px}
.stat{padding:16px;text-align:center}.stat b{display:block;font:700 1.8rem 'Space Grotesk';background:var(--g);-webkit-background-clip:text;background-clip:text;color:transparent}.stat span{font-size:.78rem;color:var(--mu)}
.pic{position:relative;width:min(380px,80vw);aspect-ratio:1;margin:0 auto}
.pic:before{content:"";position:absolute;inset:-6px;border-radius:50%;background:conic-gradient(from 0deg,var(--a1),var(--a2),var(--a3),var(--a1));animation:sp 8s linear infinite;filter:blur(14px);opacity:.75}
.pic:after{content:"";position:absolute;inset:0;border-radius:50%;background:conic-gradient(from 0deg,var(--a1),var(--a2),var(--a3),var(--a1));animation:sp 8s linear infinite;-webkit-mask:radial-gradient(farthest-side,transparent calc(100% - 3px),#000 calc(100% - 2px));mask:radial-gradient(farthest-side,transparent calc(100% - 3px),#000 calc(100% - 2px))}
@keyframes sp{to{transform:rotate(360deg)}}
.pic img{position:absolute;inset:10px;width:calc(100% - 20px);height:calc(100% - 20px);border-radius:50%;object-fit:cover;background:#0d1226}
@media(max-width:860px){.home{grid-template-columns:1fr;text-align:center;padding-top:104px;min-height:auto;gap:22px}.lead{margin-inline:auto}.cta,.soc{justify-content:center}.stats{margin-inline:auto}.pic{order:-1;width:min(270px,70vw)}/* about */
.about .card{display:grid;grid-template-columns:1.3fr 1fr;gap:30px;padding:34px}
.about h3{font-size:1.8rem}.tag{display:inline-block;margin:8px 0 14px;padding:5px 14px;border-radius:999px;font:600 .75rem 'JetBrains Mono',monospace;color:var(--a2);background:rgba(34,211,238,.1);border:1px solid rgba(34,211,238,.3)}
.about p{color:var(--mu)}
.info{list-style:none;display:grid;gap:12px}.info li{display:flex;gap:14px;align-items:center;padding:14px 16px;border-radius:16px;background:rgba(255,255,255,.04);border:1px solid var(--gb);font-size:.9rem;word-break:break-word}
.info i{width:38px;height:38px;flex:none;display:grid;place-items:center;border-radius:12px;background:linear-gradient(135deg,var(--a1),var(--a2));color:#fff}
.info small{display:block;color:var(--mu);font-size:.72rem;text-transform:uppercase;letter-spacing:.1em}
@media(max-width:860px){.about .card{grid-template-columns:1fr;padding:24px}}
/* skills */
.grid-sk{display:grid;grid-template-columns:repeat(auto-fill,minmax(135px,1fr));gap:14px}
.sk{padding:20px 10px;text-align:center;border-radius:20px}.sk img{width:46px;height:46px;object-fit:contain;margin:0 auto 10px;transition:.3s;filter:drop-shadow(0 6px 10px rgba(0,0,0,.4))}.sk:hover img{transform:scale(1.18) rotate(-4deg)}.sk span{font-size:.84rem;font-weight:600}
/* education */
.grid-ed{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px}
.ed .im{aspect-ratio:16/10;overflow:hidden}.ed .im img{width:100%;height:100%;object-fit:cover;transition:.6s}.ed:hover .im img{transform:scale(1.08)}
.ed .tx{padding:20px}.ed h3{font-size:1.1rem}.ed p{font-size:.82rem;color:var(--a2);margin:6px 0}.ed h4{font:400 .85rem 'Inter';color:var(--mu)}
.quote{color:var(--mu);margin:-22px 0 30px;max-width:560px}
/* projects */
.grid-pr{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,340px),1fr));gap:22px}
.pr .im{aspect-ratio:16/9;overflow:hidden;position:relative}.pr .im img{width:100%;height:100%;object-fit:cover;transition:.6s}.pr:hover .im img{transform:scale(1.07)}
.pr .im:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(5,7,15,.85))}
.pr .tx{padding:22px}.pr h3{font-size:1.25rem}.pr p{color:var(--mu);font-size:.9rem;margin:8px 0 18px}
.pr .btns{display:flex;gap:10px}.pr .btn{padding:10px 20px;font-size:.85rem}
/* timeline */
.tl{position:relative;display:grid;gap:22px;padding-left:34px}
.tl:before{content:"";position:absolute;left:11px;top:6px;bottom:6px;width:2px;background:linear-gradient(var(--a1),var(--a2),var(--a3));border-radius:2px;box-shadow:0 0 14px var(--a1)}
.ex{padding:24px}.ex:after{content:"";position:absolute;left:-30px;top:30px;width:14px;height:14px;border-radius:50%;background:var(--bg);border:3px solid var(--a2);box-shadow:0 0 14px var(--a2)}
.ex{overflow:visible}
.ex h3{font-size:1.25rem}.ex .co{color:var(--a2);font-weight:600;font-size:.9rem;margin:6px 0 2px}.ex .yr{display:inline-block;font:500 .74rem 'JetBrains Mono',monospace;padding:3px 12px;border-radius:999px;background:rgba(124,92,255,.18);border:1px solid rgba(124,92,255,.4);margin:6px 0 10px}.ex p{color:var(--mu);font-size:.92rem}
@media(min-width:900px){.tl{padding:0}.tl:before{left:50%;margin-left:-1px}.ex{width:calc(50% - 34px)}.ex:nth-child(even){margin-left:auto}.ex:after{left:auto;right:-41px}.ex:nth-child(even):after{right:auto;left:-41px}}
/* contact */
.ct{display:grid;grid-template-columns:.9fr 1.1fr;gap:22px}
.ct .l{display:grid;gap:14px;align-content:start}.ct .row{display:flex;gap:14px;align-items:center;padding:18px;border-radius:18px;font-size:.92rem;word-break:break-word}
.ct .row i{width:44px;height:44px;flex:none;display:grid;place-items:center;border-radius:14px;background:linear-gradient(135deg,var(--a1),var(--a2))}
form.glass{padding:26px;display:grid;gap:14px}
.f{position:relative}.f input,.f textarea{width:100%;padding:15px 16px 15px 46px;border-radius:14px;background:rgba(255,255,255,.05);border:1px solid var(--gb);color:#fff;font:inherit;font-size:.95rem;outline:0;transition:.25s}
.f textarea{min-height:130px;resize:vertical}.f i{position:absolute;left:17px;top:17px;color:var(--a2)}
.f input:focus,.f textarea:focus{border-color:var(--a2);box-shadow:0 0 0 4px rgba(34,211,238,.12)}.f ::placeholder{color:#7c87a8}
@media(max-width:860px){.ct{grid-template-columns:1fr}}
/* footer */
footer{max-width:1150px;margin:70px auto 20px;padding:0 20px}
footer .glass{padding:34px;display:grid;grid-template-columns:1.4fr 1fr;gap:26px}
footer h3{margin-bottom:10px}footer p,footer a{color:var(--mu);font-size:.9rem}footer a:hover{color:#fff}
.fl{display:flex;flex-wrap:wrap;gap:10px 18px}.fs{display:flex;gap:10px;margin-top:14px}.fs a{width:40px;height:40px;display:grid;place-items:center;border-radius:12px;background:var(--gl);border:1px solid var(--gb);color:#fff}
.cr{grid-column:1/-1;text-align:center;border-top:1px solid var(--gb);padding-top:18px;font-size:.85rem}
@media(max-width:700px){footer .glass{grid-template-columns:1fr}}
#top{position:fixed;left:18px;bottom:18px;width:46px;height:46px;border-radius:14px;display:grid;place-items:center;z-index:90;opacity:0;pointer-events:none;transform:translateY(14px);transition:.3s}
#top.on{opacity:1;pointer-events:auto;transform:none}
#toast{position:fixed;left:50%;bottom:30px;transform:translate(-50%,40px);padding:14px 24px;border-radius:16px;z-index:300;opacity:0;transition:.4s;font-weight:600}#toast.on{opacity:1;transform:translate(-50%,0)}
/* reveal */
.rv{opacity:0;transform:translateY(34px);transition:opacity .8s,transform .8s cubic-bezier(.16,1,.3,1)}.rv.on{opacity:1;transform:none}
#loader{position:fixed;inset:0;background:var(--bg);z-index:999;display:grid;place-items:center;transition:opacity .6s}#loader div{width:54px;height:54px;border-radius:50%;border:3px solid var(--gb);border-top-color:var(--a2);animation:sp 1s linear infinite}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.rv{opacity:1;transform:none}}