:root{
  --bg:#0a0612;
  --bg2:#120a1f;
  --panel:rgba(32,20,52,0.58);
  --panel-solid:#150d26;
  --line:rgba(178,138,255,0.16);
  --txt:#ece6f6;
  --muted:#a596c0;
  --dim:#6f5f88;
  --cyan:#c084fc;
  --blue:#8b5cf6;
  --teal:#a855f7;
  --violet:#9333ea;
  --accent:#bf8bff;
  --glow:0 0 30px rgba(168,85,247,0.30);
  --heading:#ffffff;
  --g1:#ffffff;--g2:#d8b4fe;--g3:#a855f7;
  --net-a:168,85,247;
  --net-b:139,92,246;
  --net-node:210,170,255;
  --bg-grad:
    radial-gradient(900px 600px at 80% -10%, rgba(147,51,234,0.20), transparent 60%),
    radial-gradient(700px 500px at 0% 30%, rgba(139,92,246,0.14), transparent 55%),
    radial-gradient(800px 700px at 50% 120%, rgba(192,132,252,0.12), transparent 60%),
    linear-gradient(180deg,#0a0612,#0b0716);
  --nav-bg:rgba(12,7,22,0.55);--nav-bg-solid:rgba(12,7,22,0.82);
  --overlay:rgba(14,8,26,0.97);
  --tw-line:rgba(192,132,252,0.6);--tw-line2:rgba(168,85,247,0.34);--tw-line3:rgba(139,92,246,0.30);
  --tw-joint:#d8b4fe;--tw-glow:rgba(168,85,247,0.95);
  --glass-bd:rgba(255,255,255,0.14);--glass-hi:rgba(255,255,255,0.32);
  --glass-sheen:rgba(255,255,255,0.16);--glass-btn-sheen:rgba(255,255,255,0.38);
}
/* ===== LIGHT THEME ===== */
body[data-theme="light"]{
  --bg:#f4f1fb;--bg2:#ece6f8;--panel:rgba(255,255,255,0.72);--panel-solid:#ffffff;
  --line:rgba(124,58,237,0.18);--txt:#221733;--muted:#5b5170;--dim:#8a7ea3;
  --cyan:#a855f7;--blue:#7c3aed;--teal:#9333ea;--violet:#7c3aed;--accent:#7c3aed;
  --glow:0 0 28px rgba(124,58,237,0.22);--heading:#1c1230;
  --g1:#1c1230;--g2:#7c3aed;--g3:#a855f7;
  --net-a:124,58,237;--net-b:147,51,234;--net-node:124,58,237;
  --bg-grad:
    radial-gradient(900px 600px at 80% -10%, rgba(147,51,234,0.12), transparent 60%),
    radial-gradient(700px 500px at 0% 30%, rgba(124,58,237,0.10), transparent 55%),
    radial-gradient(800px 700px at 50% 120%, rgba(168,85,247,0.10), transparent 60%),
    linear-gradient(180deg,#f6f3fc,#efe9f8);
  --nav-bg:rgba(255,255,255,0.6);--nav-bg-solid:rgba(255,255,255,0.85);
  --overlay:rgba(255,255,255,0.97);
  --tw-line:rgba(124,58,237,0.7);--tw-line2:rgba(147,51,234,0.45);--tw-line3:rgba(139,92,246,0.4);
  --tw-joint:#7c3aed;--tw-glow:rgba(124,58,237,0.55);
  --glass-bd:rgba(124,58,237,0.22);--glass-hi:rgba(255,255,255,0.9);
  --glass-sheen:rgba(255,255,255,0.6);--glass-btn-sheen:rgba(255,255,255,0.75);
}
body[data-theme="light"] ::selection{background:rgba(124,58,237,0.25)}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',sans-serif;
  background:var(--bg);
  color:var(--txt);
  line-height:1.6;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
::selection{background:rgba(168,85,247,0.35);color:#fff}
/* background layers */
#net{position:fixed;inset:0;z-index:1;opacity:0.5;pointer-events:none}
.bg-grad{position:fixed;inset:0;z-index:-1;background:var(--bg-grad)}
.wrap{position:relative;z-index:3;max-width:1120px;margin:0 auto;padding:0 28px}

/* NAV */
nav{
  position:fixed;top:0;left:0;right:0;z-index:50;
  display:flex;justify-content:space-between;align-items:center;
  padding:18px 32px;backdrop-filter:blur(12px);
  background:var(--nav-bg);border-bottom:1px solid transparent;
  transition:border-color .3s,background .3s,padding .3s;
}
nav.scrolled{border-bottom:1px solid var(--line);padding:12px 32px;background:var(--nav-bg-solid)}
.logo{font-family:'Space Grotesk';font-weight:700;font-size:1.1rem;letter-spacing:.5px;display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--txt)}
.logo .dot{width:9px;height:9px;border-radius:50%;background:var(--accent);box-shadow:0 0 12px var(--accent);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(.7)}}
.navlinks{display:flex;gap:30px}
.navlinks a{color:var(--muted);text-decoration:none;font-size:.9rem;font-weight:500;position:relative;transition:color .25s}
.navlinks a::after{content:'';position:absolute;left:0;bottom:-5px;width:0;height:2px;background:linear-gradient(90deg,var(--accent),var(--violet));transition:width .3s}
.navlinks a:hover{color:var(--txt)}
.navlinks a:hover::after{width:100%}
.navlinks a.active{color:var(--txt)}
.navlinks a.active::after{width:100%}
.menu-btn{display:none;background:none;border:none;color:var(--txt);font-size:1.5rem;cursor:pointer}
.nav-cluster{display:flex;align-items:center;gap:22px}
.theme-toggle{width:38px;height:38px;border-radius:10px;border:1px solid var(--line);background:rgba(150,120,210,0.08);color:var(--accent);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:border-color .25s,transform .25s,background .25s}
.theme-toggle:hover{border-color:var(--accent);transform:translateY(-2px) rotate(12deg)}
.theme-toggle .ic-sun{display:none}
body[data-theme="light"] .theme-toggle .ic-moon{display:none}
body[data-theme="light"] .theme-toggle .ic-sun{display:block}

/* HERO */
header{min-height:100vh;display:flex;align-items:center;position:relative;padding-top:80px}
.wrap.hero-grid{display:grid;grid-template-columns:1.05fr 0.95fr;gap:36px;align-items:center}
.hero-right{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;position:relative;min-height:480px}
.fire-btn{font-family:'Space Grotesk';font-weight:600;font-size:.82rem;color:var(--accent);background:rgba(150,120,210,0.08);border:1px solid var(--line);border-radius:11px;padding:9px 16px;cursor:pointer;transition:border-color .25s,transform .2s,background .25s;backdrop-filter:blur(6px)}
.fire-btn:hover{border-color:var(--accent);transform:translateY(-2px);background:rgba(150,120,210,0.16)}
.fire-btn:active{transform:translateY(0) scale(.97)}
.fire-btn .fhint{color:var(--dim);font-weight:400;font-size:.72rem}
.viz-controls{display:flex;flex-direction:column;align-items:center;gap:11px;width:100%;max-width:340px}
.quake-ctl{display:flex;align-items:center;gap:11px;width:100%;font-family:'Space Grotesk';font-size:.82rem}
.quake-ctl label{white-space:nowrap;color:var(--accent);font-weight:600}
.quake-ctl input[type=range]{flex:1;accent-color:var(--accent);cursor:pointer;height:4px}
.quake-ctl #quakeVal{font-family:'JetBrains Mono';font-size:.76rem;color:var(--txt);min-width:26px;text-align:right}
.viz-controls .fhint{color:var(--dim);font-weight:400;font-size:.72rem;text-align:center}
.hero-viz{position:relative;width:100%;max-width:400px;aspect-ratio:360/470;animation:vizfloat 8s ease-in-out infinite}
.hero-viz::before{content:'';position:absolute;inset:-8% -4%;background:radial-gradient(closest-side,rgba(168,85,247,0.16),transparent 72%);filter:blur(8px);z-index:-1}
#tower{width:100%;height:100%;overflow:visible;display:block}
.viz-cap{position:absolute;bottom:-2px;left:50%;transform:translateX(-50%);font-family:'JetBrains Mono';font-size:.66rem;letter-spacing:2px;text-transform:uppercase;color:var(--dim);white-space:nowrap}
.tw-chord{stroke:var(--tw-line);stroke-width:2;fill:none}
.tw-strut{stroke:var(--tw-line2);stroke-width:1.4}
.tw-brace{stroke:var(--tw-line3);stroke-width:1.2}
.tw-joint{fill:var(--tw-joint);filter:drop-shadow(0 0 5px var(--tw-glow))}
.tw-proj{fill:var(--tw-joint);filter:drop-shadow(0 0 6px var(--tw-glow))}
.tw-spark{stroke:var(--tw-line);fill:none}
.tw-launch-base{fill:var(--tw-line2);stroke:var(--tw-line);stroke-width:1.2}
.tw-barrel{fill:var(--tw-joint);stroke:var(--tw-line);stroke-width:1;filter:drop-shadow(0 0 5px var(--tw-glow));transition:transform .12s ease-out}
@keyframes vizfloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-14px)}}
@media(max-width:980px){.wrap.hero-grid{grid-template-columns:1fr}.hero-right{display:none}}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-family:'JetBrains Mono';font-size:.8rem;color:var(--accent);
  border:1px solid var(--line);border-radius:30px;padding:7px 16px;
  background:rgba(168,85,247,0.08);margin-bottom:26px;
}
.hero-tag .blip{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px var(--accent)}
h1.name{
  font-family:'Space Grotesk';font-weight:700;
  font-size:clamp(2.8rem,7vw,5.4rem);line-height:1.02;letter-spacing:-1.5px;
  background:linear-gradient(120deg,var(--g1) 20%,var(--g2) 55%,var(--g3) 90%);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
  margin-bottom:14px;text-shadow:0 0 60px rgba(168,85,247,0.25);
}
.hero-sub{font-size:clamp(1.05rem,2.4vw,1.5rem);color:var(--muted);font-weight:400;max-width:680px;margin-bottom:18px;text-shadow:0 2px 20px rgba(10,6,18,0.7)}
.hero-sub b{color:var(--txt);font-weight:600}
.hero-desc{color:var(--dim);max-width:620px;font-size:1rem;margin-bottom:34px;text-shadow:0 2px 20px rgba(10,6,18,0.7)}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap;align-items:center}
.btn{
  font-family:'Space Grotesk';font-weight:600;font-size:.95rem;
  padding:13px 26px;border-radius:12px;text-decoration:none;cursor:pointer;
  transition:transform .25s,box-shadow .25s,background .25s;border:1px solid transparent;
  display:inline-flex;align-items:center;gap:9px;
}
.btn.primary{background:linear-gradient(120deg,var(--violet),var(--accent));color:#fff;box-shadow:var(--glow)}
.btn.primary:hover{transform:translateY(-3px);box-shadow:0 10px 40px rgba(168,85,247,0.45)}
.btn.ghost{background:rgba(255,255,255,0.03);border:1px solid var(--line);color:var(--txt)}
.btn.ghost:hover{border-color:var(--accent);transform:translateY(-3px);color:var(--accent)}
.hero-stats{display:flex;gap:38px;margin-top:54px;flex-wrap:wrap}
.hstat .num{font-family:'Space Grotesk';font-weight:700;font-size:1.9rem;color:var(--heading);display:block}
.hstat .num .u{color:var(--accent);font-size:1.2rem}
.hstat .lbl{font-size:.78rem;color:var(--dim);text-transform:uppercase;letter-spacing:1.5px}

/* SECTIONS */
section{padding:96px 0;position:relative}
.sec-head{margin-bottom:52px}
.sec-kicker{font-family:'JetBrains Mono';color:var(--accent);font-size:.85rem;letter-spacing:2px;text-transform:uppercase;display:flex;align-items:center;gap:12px;margin-bottom:14px}
.sec-kicker::before{content:'';width:30px;height:1px;background:var(--accent)}
h2.sec-title{font-family:'Space Grotesk';font-weight:700;font-size:clamp(1.9rem,4vw,2.8rem);letter-spacing:-1px;line-height:1.1}
.sec-title .grad{background:linear-gradient(120deg,var(--accent),var(--violet));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}

/* ABOUT */
.about-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:46px;align-items:start}
.about p{color:var(--muted);font-size:1.06rem;margin-bottom:18px}
.about p b{color:var(--txt)}
.about .highlight{color:var(--accent);font-weight:500}
.focus-card{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:26px;backdrop-filter:blur(8px)}
.focus-card h4{font-family:'Space Grotesk';font-size:1rem;margin-bottom:18px;color:var(--heading);display:flex;align-items:center;gap:9px}
.focus-list{list-style:none;display:flex;flex-direction:column;gap:14px}
.focus-list li{display:flex;align-items:flex-start;gap:12px;color:var(--muted);font-size:.94rem}
.focus-list .ic{color:var(--accent);margin-top:3px;flex-shrink:0}

/* TIMELINE */
.split{display:grid;grid-template-columns:1fr 1fr;gap:50px}
.tline{position:relative;padding-left:30px}
.tline::before{content:'';position:absolute;left:5px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,var(--accent),var(--violet),transparent)}
.titem{position:relative;margin-bottom:30px}
.titem::before{content:'';position:absolute;left:-30px;top:5px;width:12px;height:12px;border-radius:50%;background:var(--bg);border:2px solid var(--accent);box-shadow:0 0 10px rgba(168,85,247,0.6)}
.titem .when{font-family:'JetBrains Mono';font-size:.76rem;color:var(--accent);letter-spacing:.5px}
.titem h4{font-family:'Space Grotesk';font-size:1.08rem;color:var(--heading);margin:4px 0 2px}
.titem .org{font-size:.9rem;color:var(--blue);font-weight:500;margin-bottom:7px}
.titem p{font-size:.9rem;color:var(--muted)}

/* EDU */
.edu-card{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:8px 24px;backdrop-filter:blur(8px)}
.edu-row{display:flex;justify-content:space-between;align-items:center;padding:17px 0;border-bottom:1px solid var(--line);gap:16px}
.edu-row:last-child{border-bottom:none}
.edu-deg{font-family:'Space Grotesk';font-weight:600;color:var(--heading);font-size:1rem}
.edu-inst{font-size:.83rem;color:var(--muted)}
.edu-meta{text-align:right;flex-shrink:0}
.edu-score{font-family:'JetBrains Mono';color:var(--accent);font-weight:500}
.edu-year{font-size:.78rem;color:var(--dim)}

/* PROJECTS */
.proj-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.pcard{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:28px;backdrop-filter:blur(8px);position:relative;overflow:hidden;transition:transform .3s,border-color .3s}
.pcard::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--accent),var(--violet),var(--cyan));transform:scaleX(0);transform-origin:left;transition:transform .4s}
.pcard:hover{transform:translateY(-6px);border-color:rgba(168,85,247,0.45)}
.pcard:hover::before{transform:scaleX(1)}
.pcard .ptop{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:14px;gap:12px}
.pcard .pico{width:42px;height:42px;border-radius:11px;background:rgba(168,85,247,0.12);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;flex-shrink:0;color:var(--accent);font-size:1.2rem}
.pcard .pdate{font-family:'JetBrains Mono';font-size:.72rem;color:var(--dim);text-align:right;white-space:nowrap}
.pcard h4{font-family:'Space Grotesk';font-size:1.12rem;color:var(--heading);line-height:1.3;margin-bottom:8px}
.pcard .padv{font-size:.8rem;color:var(--blue);margin-bottom:12px}
.pcard p{font-size:.9rem;color:var(--muted)}
.pcard .ptags{display:flex;flex-wrap:wrap;gap:7px;margin-top:16px}
.ptag{font-family:'JetBrains Mono';font-size:.7rem;color:var(--accent);background:rgba(168,85,247,0.08);border:1px solid var(--line);padding:4px 10px;border-radius:20px}

/* PUBLICATION */
.pub-card{background:linear-gradient(135deg,rgba(147,51,234,0.12),rgba(139,92,246,0.08));border:1px solid rgba(168,85,247,0.3);border-radius:20px;padding:36px;position:relative;overflow:hidden}
.pub-badge{display:inline-block;font-family:'JetBrains Mono';font-size:.72rem;color:var(--accent);background:rgba(168,85,247,0.14);border:1px solid rgba(168,85,247,0.32);padding:5px 13px;border-radius:20px;margin-bottom:18px}
.pub-card h4{font-family:'Space Grotesk';font-size:1.4rem;color:var(--heading);margin-bottom:16px;line-height:1.3}
.pub-card p{color:var(--muted);font-size:1rem;max-width:820px}

/* SKILLS */
.skills-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.skcat{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:24px;backdrop-filter:blur(8px);transition:border-color .3s}
.skcat:hover{border-color:rgba(168,85,247,0.4)}
.skcat h4{font-family:'Space Grotesk';font-size:.95rem;color:var(--heading);margin-bottom:16px;display:flex;align-items:center;gap:9px}
.skcat h4 .ic{color:var(--accent)}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{font-size:.82rem;color:var(--muted);background:rgba(255,255,255,0.03);border:1px solid var(--line);padding:6px 13px;border-radius:9px;transition:all .25s}
.chip:hover{color:var(--accent);border-color:var(--accent);transform:translateY(-2px)}

/* ACHIEVEMENTS */
.ach-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.ach{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:26px 22px;text-align:center;backdrop-filter:blur(8px);transition:transform .3s,border-color .3s}
.ach:hover{transform:translateY(-5px);border-color:rgba(168,85,247,0.45)}
.ach .big{font-family:'Space Grotesk';font-weight:700;font-size:2rem;background:linear-gradient(120deg,var(--accent),var(--violet));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;line-height:1}
.ach .desc{font-size:.82rem;color:var(--muted);margin-top:10px}

/* CONTACT */
.contact-wrap{text-align:center;max-width:680px;margin:0 auto}
.contact-wrap h2{font-family:'Space Grotesk';font-weight:700;font-size:clamp(2rem,5vw,3.2rem);letter-spacing:-1px;margin-bottom:18px}
.contact-wrap h2 .grad{background:linear-gradient(120deg,var(--accent),var(--violet));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.contact-wrap p{color:var(--muted);font-size:1.1rem;margin-bottom:36px}
.contact-links{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.clink{display:flex;align-items:center;gap:11px;text-decoration:none;color:var(--txt);background:var(--panel);border:1px solid var(--line);border-radius:13px;padding:15px 24px;font-weight:500;transition:all .3s;backdrop-filter:blur(8px)}
.clink:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-3px);box-shadow:var(--glow)}
.clink svg{flex-shrink:0}

footer{text-align:center;padding:40px 0 50px;color:var(--dim);font-size:.85rem;border-top:1px solid var(--line);margin-top:40px}
footer .heart{color:var(--accent)}

/* page top spacer for non-hero pages */
.page-top{padding-top:140px}

/* reveal */
.reveal{opacity:0;transform:translateY(36px);transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
.reveal.from-left{transform:translateX(-44px)}
.reveal.from-right{transform:translateX(44px)}
.reveal.zoom{transform:scale(.9)}

/* ===== DYNAMIC ANIMATIONS ===== */
/* drifting background */
.bg-grad{background-size:170% 170%;animation:drift 26s ease-in-out infinite}
@keyframes drift{0%,100%{background-position:0% 0%}50%{background-position:100% 100%}}
/* animated gradient text */
@keyframes shimmer{0%{background-position:0% 50%}50%{background-position:100% 50%}100%{background-position:0% 50%}}
h1.name{background-size:220% 220%;animation:shimmer 9s ease infinite}
.sec-title .grad,.contact-wrap h2 .grad,.ach .big{background-size:220% 220%;animation:shimmer 6s ease infinite}
.btn.primary{background-size:200% 200%;animation:shimmer 5s ease infinite}
/* floating project icons */
.pcard .pico{animation:bob 4.5s ease-in-out infinite}
.pcard:nth-child(2n) .pico{animation-delay:1.1s}
.pcard:nth-child(3n) .pico{animation-delay:2.2s}
@keyframes bob{0%,100%{transform:translateY(0) rotate(0)}50%{transform:translateY(-7px) rotate(6deg)}}
/* hero tag glow pulse */
.hero-tag{animation:tagGlow 3.5s ease-in-out infinite}
@keyframes tagGlow{0%,100%{box-shadow:0 0 0 rgba(168,85,247,0)}50%{box-shadow:0 0 26px rgba(168,85,247,0.28)}}
/* 3D tilt cards */
.pcard{transform-style:preserve-3d;will-change:transform;transition:transform .18s ease,border-color .3s}
.pcard::after{content:'';position:absolute;inset:0;border-radius:inherit;background:radial-gradient(280px circle at var(--mx,50%) var(--my,50%),rgba(191,139,255,0.18),transparent 60%);opacity:0;transition:opacity .35s;pointer-events:none}
.pcard:hover::after{opacity:1}
.pcard>*{transform:translateZ(28px)}
.pcard .ptags>*{transform:none}
/* shine sweep on cards */
.skcat,.ach,.focus-card,.edu-card,.clink{position:relative;overflow:hidden}
.skcat::after,.ach::after,.focus-card::after,.clink::after{content:'';position:absolute;top:0;left:-130%;width:60%;height:100%;background:linear-gradient(100deg,transparent,rgba(255,255,255,0.10),transparent);transform:skewX(-18deg);transition:left .7s ease;pointer-events:none}
.skcat:hover::after,.ach:hover::after,.focus-card:hover::after,.clink:hover::after{left:140%}
/* magnetic primary */
.btn.primary{will-change:transform}
/* count number subtle glow */
.cnt{display:inline-block}
.hstat:hover .num{text-shadow:0 0 22px rgba(168,85,247,0.5)}
/* timeline dot ping */
.titem::after{content:'';position:absolute;left:-32px;top:3px;width:16px;height:16px;border-radius:50%;border:2px solid var(--accent);opacity:0;animation:ping 2.6s ease-out infinite}
.titem:nth-child(2)::after{animation-delay:.8s}
.titem:nth-child(3)::after{animation-delay:1.6s}
@keyframes ping{0%{transform:scale(.6);opacity:.7}70%{transform:scale(1.8);opacity:0}100%{opacity:0}}
/* chip hover already; add stagger pop on reveal */
.reveal.in .chip{animation:pop .5s backwards}
@keyframes pop{from{opacity:0;transform:translateY(8px) scale(.9)}to{opacity:1;transform:none}}
/* scroll-down cue */
.scroll-cue{position:absolute;left:50%;bottom:30px;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:8px;color:var(--dim);font-family:'JetBrains Mono';font-size:.66rem;letter-spacing:2px;text-transform:uppercase;animation:cueFade 3s ease-in-out infinite}
.scroll-cue .mouse{width:22px;height:36px;border:2px solid var(--line);border-radius:12px;position:relative}
.scroll-cue .mouse::before{content:'';position:absolute;left:50%;top:6px;width:3px;height:7px;border-radius:3px;background:var(--accent);transform:translateX(-50%);animation:wheel 1.6s ease-in-out infinite}
@keyframes wheel{0%{opacity:0;top:6px}40%{opacity:1}80%{opacity:0;top:16px}100%{opacity:0}}
@keyframes cueFade{0%,100%{opacity:.4}50%{opacity:.9}}
/* cursor halo */
#cursorHalo{position:fixed;top:0;left:0;width:26px;height:26px;border-radius:50%;pointer-events:none;z-index:90;background:radial-gradient(circle,rgba(191,139,255,0.42),transparent 70%);mix-blend-mode:screen;will-change:transform;transition:width .22s,height .22s,background .22s}
#cursorHalo.big{width:64px;height:64px;background:radial-gradient(circle,rgba(191,139,255,0.30),transparent 70%);box-shadow:0 0 26px rgba(168,85,247,0.40)}
@media(hover:none){#cursorHalo{display:none}}
/* floating interactive glyphs */
.glyph-layer{position:fixed;inset:0;z-index:2;pointer-events:none;overflow:hidden}
.glyph{position:absolute;pointer-events:auto;cursor:pointer;will-change:transform}
.gf{display:inline-block;animation:gfloat var(--fd,7s) ease-in-out infinite}
.gi{display:inline-block;font-family:'Space Grotesk';font-weight:700;font-size:var(--gs,1.7rem);color:rgba(191,139,255,0.15);transition:color .3s,transform .5s cubic-bezier(.2,.8,.2,1);text-shadow:0 0 18px rgba(168,85,247,0)}
.glyph:hover .gi{color:rgba(191,139,255,0.7);transform:scale(1.5) rotate(22deg);text-shadow:0 0 22px rgba(168,85,247,0.5)}
.glyph.pop .gi{animation:gpop .7s ease}
@keyframes gpop{0%{transform:scale(1) rotate(0)}45%{transform:scale(1.7) rotate(200deg);color:#e9d5ff}100%{transform:scale(1) rotate(360deg)}}
@keyframes gfloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-16px)}}

/* ===== LIQUID GLASS ===== */
.pcard,.skcat,.ach,.focus-card,.edu-card,.pub-card,.hero-tag,.scard{
  background-image:radial-gradient(170px circle at var(--gx,50%) var(--gy,50%),var(--glass-sheen),transparent 60%);
  box-shadow:inset 0 1px 0 var(--glass-hi),inset 0 -12px 26px rgba(0,0,0,0.10),0 14px 38px rgba(0,0,0,0.22);
  backdrop-filter:blur(17px) saturate(175%);-webkit-backdrop-filter:blur(17px) saturate(175%);
  border-color:var(--glass-bd);
}
nav.scrolled{backdrop-filter:blur(18px) saturate(170%);-webkit-backdrop-filter:blur(18px) saturate(170%);box-shadow:inset 0 -1px 0 var(--glass-hi),0 8px 30px rgba(0,0,0,0.25)}
.btn,.fire-btn,.theme-toggle,.clink{position:relative;overflow:hidden;box-shadow:inset 0 1px 0 var(--glass-hi),0 8px 22px rgba(0,0,0,0.22)}
.btn::before,.fire-btn::before,.theme-toggle::before,.clink::before{content:'';position:absolute;inset:0;border-radius:inherit;background:radial-gradient(130px circle at var(--gx,50%) var(--gy,50%),var(--glass-btn-sheen),transparent 55%);opacity:0;transition:opacity .3s;pointer-events:none;mix-blend-mode:screen}
.btn:hover::before,.fire-btn:hover::before,.theme-toggle:hover::before,.clink:hover::before{opacity:.95}
.lg-ripple{position:absolute;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,0.55),rgba(255,255,255,0) 70%);transform:translate(-50%,-50%) scale(0);pointer-events:none;animation:lgripple .6s ease-out forwards;mix-blend-mode:screen}
@keyframes lgripple{to{transform:translate(-50%,-50%) scale(1);opacity:0}}
.chip{position:relative;overflow:hidden}
.chip.cpop{animation:chippop .45s ease}
@keyframes chippop{0%{transform:scale(1)}40%{transform:scale(1.2) translateY(-2px)}100%{transform:scale(1)}}
.skcat,.ach{transform-style:preserve-3d;will-change:transform;transition:transform .2s ease,border-color .3s}

/* floating glass orbs (interactive) */
.orb-layer{position:fixed;inset:0;z-index:45;pointer-events:none;overflow:hidden}
.orb{position:absolute;top:0;left:0;border-radius:50%;pointer-events:auto;cursor:pointer;
  background:radial-gradient(circle at 32% 28%,rgba(255,255,255,0.55),rgba(191,139,255,0.30) 40%,rgba(139,92,246,0.10) 72%,transparent 78%);
  box-shadow:inset 0 0 14px rgba(255,255,255,0.22),0 0 24px rgba(168,85,247,0.18);
  transition:filter .2s;will-change:transform,opacity}
.orb:hover{filter:brightness(1.35) saturate(1.25)}
body[data-theme="light"] .orb{background:radial-gradient(circle at 32% 28%,rgba(255,255,255,0.9),rgba(147,51,234,0.30) 42%,rgba(124,58,237,0.12) 72%,transparent 78%);box-shadow:inset 0 0 14px rgba(255,255,255,0.5),0 0 22px rgba(124,58,237,0.2)}
@media(hover:none){.orb{pointer-events:none}}

@media(max-width:880px){
  .about-grid,.split,.proj-grid,.skills-grid{grid-template-columns:1fr}
  .ach-grid{grid-template-columns:repeat(2,1fr)}
  .navlinks{position:fixed;top:0;right:0;height:100vh;width:260px;flex-direction:column;background:var(--overlay);backdrop-filter:blur(14px);padding:90px 32px;gap:22px;transform:translateX(100%);transition:transform .35s;border-left:1px solid var(--line)}
  .navlinks.open{transform:none}
  .menu-btn{display:block;z-index:60}
  .hero-stats{gap:26px}
}
@media(max-width:520px){
  .wrap{padding:0 20px}
  nav{padding:14px 20px}
  .ach-grid{grid-template-columns:1fr 1fr}
}
@media(prefers-reduced-motion:reduce){
  #net,#cursorHalo,.glyph-layer,.orb-layer{display:none}
  .reveal{opacity:1;transform:none}
}

/* ===== STORE / SHOP ===== */
.store-intro{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap;margin-bottom:38px}
.store-intro p{color:var(--muted);font-size:1.02rem;max-width:640px;margin-top:14px}
.store-actions{display:flex;gap:12px;flex-wrap:wrap}
.store-badges{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.sbadge{display:inline-flex;align-items:center;gap:7px;font-family:'JetBrains Mono';font-size:.72rem;color:var(--accent);background:rgba(168,85,247,0.08);border:1px solid var(--line);padding:6px 12px;border-radius:20px}
.store-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.scard{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:26px;backdrop-filter:blur(8px);position:relative;overflow:hidden;display:flex;flex-direction:column;transition:transform .3s,border-color .3s}
.scard::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--accent),var(--violet),var(--cyan));transform:scaleX(0);transform-origin:left;transition:transform .4s}
.scard:hover{transform:translateY(-6px);border-color:rgba(168,85,247,0.45)}
.scard:hover::before{transform:scaleX(1)}
.scard .stop{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:14px}
.scard .sico{width:46px;height:46px;border-radius:12px;background:rgba(168,85,247,0.12);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;flex-shrink:0;color:var(--accent);font-size:1.3rem}
.scard .sbest{font-family:'JetBrains Mono';font-size:.66rem;letter-spacing:.5px;color:#0a0612;background:linear-gradient(120deg,var(--accent),var(--violet));padding:4px 10px;border-radius:20px;font-weight:600;white-space:nowrap}
body[data-theme="light"] .scard .sbest{color:#fff}
.scard h4{font-family:'Space Grotesk';font-size:1.12rem;color:var(--heading);line-height:1.3;margin-bottom:8px}
.scard .sdesc{font-size:.9rem;color:var(--muted);flex:1}
.scard .ptags{display:flex;flex-wrap:wrap;gap:7px;margin-top:14px}
.scard .sprice-row{display:flex;align-items:baseline;gap:10px;margin:18px 0 16px}
.scard .sprice{font-family:'Space Grotesk';font-weight:700;font-size:1.6rem;color:var(--heading)}
.scard .sprice .cur{color:var(--accent);font-size:1.1rem;margin-right:1px}
.scard .sprice-old{font-size:.95rem;color:var(--dim);text-decoration:line-through}
.scard .sbtns{display:flex;gap:10px;flex-wrap:wrap}
.scard .sbtns .btn{flex:1;justify-content:center;padding:11px 16px;font-size:.86rem}
.btn.cartbtn{background:rgba(255,255,255,0.03);border:1px solid var(--line);color:var(--txt)}
.btn.cartbtn:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-3px)}
.btn.cartbtn.added{border-color:var(--accent);color:var(--accent)}

/* floating cart button */
.cart-fab{position:fixed;right:24px;bottom:24px;z-index:80;width:60px;height:60px;border-radius:50%;border:1px solid var(--glass-bd);background:linear-gradient(120deg,var(--violet),var(--accent));color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 34px rgba(168,85,247,0.45),inset 0 1px 0 var(--glass-hi);transition:transform .25s,box-shadow .25s;transform:translateY(120px);opacity:0}
.cart-fab.show{transform:none;opacity:1}
.cart-fab:hover{transform:translateY(-4px) scale(1.05);box-shadow:0 14px 44px rgba(168,85,247,0.6)}
.cart-fab .cart-count{position:absolute;top:-4px;right:-4px;min-width:22px;height:22px;padding:0 5px;border-radius:11px;background:#fff;color:var(--violet);font-family:'Space Grotesk';font-weight:700;font-size:.74rem;display:flex;align-items:center;justify-content:center;border:2px solid var(--violet);transform:scale(0);transition:transform .25s}
.cart-fab .cart-count.on{transform:scale(1)}
@media(hover:none){.cart-fab{right:18px;bottom:18px}}

/* cart drawer */
.cart-backdrop{position:fixed;inset:0;z-index:99;background:rgba(8,4,16,0.6);backdrop-filter:blur(3px);opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s}
.cart-backdrop.open{opacity:1;visibility:visible}
.cart-drawer{position:fixed;top:0;right:0;bottom:0;z-index:100;width:min(420px,90vw);display:flex;flex-direction:column;background:var(--panel-solid);border-left:1px solid var(--line);box-shadow:-20px 0 60px rgba(0,0,0,0.4);transform:translateX(100%);transition:transform .35s cubic-bezier(.2,.7,.2,1)}
.cart-drawer.open{transform:none}
.cart-head{display:flex;justify-content:space-between;align-items:center;padding:22px 24px;border-bottom:1px solid var(--line)}
.cart-head h3{font-family:'Space Grotesk';font-size:1.2rem;color:var(--heading);display:flex;align-items:center;gap:10px}
.cart-close{background:none;border:1px solid var(--line);border-radius:9px;width:36px;height:36px;color:var(--muted);font-size:1.2rem;cursor:pointer;transition:all .25s;display:flex;align-items:center;justify-content:center}
.cart-close:hover{border-color:var(--accent);color:var(--accent)}
.cart-body{flex:1;overflow-y:auto;padding:18px 24px}
.cart-empty{text-align:center;color:var(--dim);padding:60px 10px;font-size:.95rem}
.cart-empty .ei{font-size:2.4rem;color:var(--line);display:block;margin-bottom:14px}
.citem{display:flex;gap:14px;padding:16px 0;border-bottom:1px solid var(--line)}
.citem .ci-ico{width:42px;height:42px;border-radius:10px;background:rgba(168,85,247,0.12);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;flex-shrink:0;color:var(--accent);font-size:1.1rem}
.citem .ci-main{flex:1;min-width:0}
.citem .ci-title{font-family:'Space Grotesk';font-size:.92rem;color:var(--heading);font-weight:600;line-height:1.3}
.citem .ci-price{font-family:'JetBrains Mono';font-size:.8rem;color:var(--accent);margin-top:3px}
.citem .ci-ctrl{display:flex;align-items:center;gap:10px;margin-top:9px}
.qty{display:flex;align-items:center;gap:0;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.qty button{width:26px;height:26px;background:rgba(255,255,255,0.03);border:none;color:var(--txt);cursor:pointer;font-size:1rem;line-height:1;transition:background .2s}
.qty button:hover{background:rgba(168,85,247,0.2);color:var(--accent)}
.qty span{min-width:30px;text-align:center;font-family:'JetBrains Mono';font-size:.84rem;color:var(--txt)}
.ci-remove{background:none;border:none;color:var(--dim);font-size:.78rem;cursor:pointer;text-decoration:underline;transition:color .2s}
.ci-remove:hover{color:#ff8aa0}
.cart-foot{border-top:1px solid var(--line);padding:20px 24px}
.cart-total{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:16px}
.cart-total .lbl{color:var(--muted);font-size:.9rem}
.cart-total .amt{font-family:'Space Grotesk';font-weight:700;font-size:1.5rem;color:var(--heading)}
.cart-total .amt .cur{color:var(--accent);font-size:1rem}
.cart-foot .btn{width:100%;justify-content:center;margin-bottom:10px}
.cart-secure{display:flex;align-items:center;justify-content:center;gap:7px;color:var(--dim);font-size:.74rem;font-family:'JetBrains Mono'}
.cart-secure svg{flex-shrink:0}
.cart-helplink{display:block;text-align:center;margin-top:12px;color:var(--accent);font-size:.82rem;text-decoration:none;cursor:pointer}
.cart-helplink:hover{text-decoration:underline}

/* help / FAQ modal */
.help-backdrop{position:fixed;inset:0;z-index:110;background:rgba(8,4,16,0.7);backdrop-filter:blur(4px);opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s;display:flex;align-items:center;justify-content:center;padding:24px}
.help-backdrop.open{opacity:1;visibility:visible}
.help-modal{width:min(560px,100%);max-height:86vh;overflow-y:auto;background:var(--panel-solid);border:1px solid var(--line);border-radius:20px;box-shadow:0 30px 80px rgba(0,0,0,0.5);transform:scale(.92);transition:transform .3s}
.help-backdrop.open .help-modal{transform:none}
.help-head{display:flex;justify-content:space-between;align-items:center;padding:24px 26px 16px}
.help-head h3{font-family:'Space Grotesk';font-size:1.3rem;color:var(--heading)}
.help-body{padding:0 26px 26px}
.faq{border-top:1px solid var(--line)}
.faq-q{width:100%;text-align:left;background:none;border:none;color:var(--txt);font-family:'Space Grotesk';font-weight:600;font-size:.96rem;padding:16px 28px 16px 0;cursor:pointer;position:relative;transition:color .2s}
.faq-q:hover{color:var(--accent)}
.faq-q::after{content:'+';position:absolute;right:2px;top:50%;transform:translateY(-50%);color:var(--accent);font-size:1.3rem;transition:transform .25s}
.faq.open .faq-q::after{transform:translateY(-50%) rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;color:var(--muted);font-size:.9rem}
.faq.open .faq-a{max-height:300px}
.faq-a p{padding:0 0 16px}
.faq-a a{color:var(--accent)}
.help-contact{margin-top:20px;padding-top:18px;border-top:1px solid var(--line);text-align:center;color:var(--muted);font-size:.9rem}
.help-contact a{color:var(--accent);text-decoration:none;font-weight:500}
.help-contact a:hover{text-decoration:underline}

/* toast */
.toast-wrap{position:fixed;left:50%;bottom:96px;transform:translateX(-50%);z-index:120;display:flex;flex-direction:column;gap:10px;align-items:center;pointer-events:none}
.toast{background:var(--panel-solid);border:1px solid var(--accent);color:var(--txt);padding:12px 20px;border-radius:12px;font-size:.88rem;box-shadow:0 10px 30px rgba(0,0,0,0.35),var(--glow);display:flex;align-items:center;gap:9px;opacity:0;transform:translateY(14px);transition:opacity .3s,transform .3s}
.toast.show{opacity:1;transform:none}
.toast .ti{color:var(--accent)}
@media(max-width:880px){.store-grid{grid-template-columns:1fr}}