/* ==========================================================
   Shrijan Sharma Dhakal · Portfolio
   ========================================================== */
:root{
  --bg:#070b14; --bg2:#0b1220; --panel:rgba(255,255,255,.04); --panel2:rgba(255,255,255,.07);
  --line:rgba(255,255,255,.09); --text:#e8eef9; --muted:#93a1b8; --dim:#5f6d85;
  --a1:#22d3ee; --a2:#3b82f6; --a3:#8b5cf6; --ok:#34d399;
  --grad:linear-gradient(100deg,var(--a1) 0%,var(--a2) 50%,var(--a3) 100%);
  --shadow:0 30px 80px -20px rgba(0,0,0,.6);
  --radius:22px; --ease:cubic-bezier(.2,.8,.2,1); --spring:cubic-bezier(.34,1.56,.64,1);
  --mono:'JetBrains Mono',ui-monospace,monospace;
}
[data-theme="light"]{
  --bg:#f5f7fb; --bg2:#ffffff; --panel:rgba(10,30,70,.035); --panel2:rgba(10,30,70,.06);
  --line:rgba(10,30,70,.1); --text:#0d1729; --muted:#4d5b74; --dim:#8794aa;
  --a1:#0891b2; --a2:#2563eb; --a3:#7c3aed; --shadow:0 30px 70px -25px rgba(20,40,90,.28);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:Inter,system-ui,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;overflow-x:hidden;transition:background .5s,color .5s}
img{display:block;max-width:100%}
main{overflow-x:clip}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
::selection{background:var(--a2);color:#fff}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;background-size:200% 100%;animation:gradShift 8s ease-in-out infinite}
@keyframes gradShift{50%{background-position:100% 0}}
:focus-visible{outline:2px solid var(--a1);outline-offset:3px;border-radius:8px}

/* ---------- loader ---------- */
.loader{position:fixed;inset:0;z-index:200;background:var(--bg);display:grid;place-items:center;transition:opacity .7s var(--ease),visibility .7s}
.loader.done{opacity:0;visibility:hidden}
.loader-box{width:min(420px,86vw);font-family:var(--mono);font-size:13px;color:var(--muted)}
.loader-term{min-height:110px;white-space:pre-line}
.loader-term .ok{color:var(--ok)}
.loader-bar{height:3px;background:var(--line);border-radius:3px;overflow:hidden;margin-top:14px}
.loader-bar span{display:block;height:100%;width:0;background:var(--grad);transition:width .25s}

/* ---------- background ---------- */
.net-canvas{position:fixed;inset:0;z-index:-2;width:100%;height:100%;opacity:.55}
[data-theme="light"] .net-canvas{opacity:.35}
.bg-glow{position:fixed;z-index:-3;border-radius:50%;filter:blur(110px);opacity:.35;pointer-events:none}
.g1{width:560px;height:560px;background:var(--a2);top:-180px;right:-120px;animation:float1 18s ease-in-out infinite}
.g2{width:480px;height:480px;background:var(--a3);bottom:-200px;left:-160px;opacity:.22;animation:float1 22s ease-in-out infinite reverse}
[data-theme="light"] .bg-glow{opacity:.16}
@keyframes float1{50%{transform:translate(-60px,80px) scale(1.1)}}
.grain{position:fixed;inset:-50%;z-index:-1;pointer-events:none;opacity:.035;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}

/* ---------- cursor ---------- */
.cursor-dot,.cursor-ring{position:fixed;top:0;left:0;pointer-events:none;z-index:300;border-radius:50%;transform:translate(-50%,-50%);opacity:0;transition:opacity .3s}
.cursor-dot{width:6px;height:6px;background:var(--a1)}
.cursor-ring{width:36px;height:36px;border:1.5px solid color-mix(in srgb,var(--a1) 60%,transparent);transition:width .3s var(--ease),height .3s var(--ease),background .3s,border-color .3s,opacity .3s}
body.has-cursor .cursor-dot,body.has-cursor .cursor-ring{opacity:1}
body.cursor-hover .cursor-ring{width:62px;height:62px;background:color-mix(in srgb,var(--a1) 12%,transparent);border-color:transparent}
body.cursor-drag .cursor-ring{width:24px;height:24px;background:var(--a1);opacity:.4}

.scroll-progress{position:fixed;top:0;left:0;height:3px;width:100%;transform-origin:0 50%;transform:scaleX(0);background:var(--grad);z-index:150}

/* ---------- nav ---------- */
.nav{position:fixed;top:14px;left:50%;transform:translateX(-50%);z-index:100;width:min(1180px,calc(100% - 28px));display:flex;align-items:center;justify-content:space-between;gap:16px;padding:10px 12px 10px 18px;border-radius:18px;border:1px solid transparent;transition:all .4s var(--ease)}
.nav.scrolled{background:color-mix(in srgb,var(--bg2) 72%,transparent);backdrop-filter:blur(16px) saturate(1.4);-webkit-backdrop-filter:blur(16px) saturate(1.4);border-color:var(--line);box-shadow:var(--shadow)}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:-.02em}
.brand-mark{display:grid;place-items:center;width:36px;height:36px;border-radius:11px;background:var(--grad);color:#fff;font-size:13px;font-weight:800;box-shadow:0 8px 24px -6px var(--a2)}
.brand-text{font-size:18px}.brand .dot{color:var(--a1)}
.nav-links{display:flex;gap:4px}
.nav-links a{padding:8px 14px;border-radius:10px;font-size:14px;color:var(--muted);transition:color .25s,background .25s;position:relative}
.nav-links a:hover,.nav-links a.active{color:var(--text);background:var(--panel2)}
.nav-actions{display:flex;gap:8px;align-items:center}
.icon-btn{position:relative;width:40px;height:40px;border-radius:12px;display:grid;place-items:center;border:1px solid var(--line);background:var(--panel);transition:transform .2s,background .3s}
.icon-btn:hover{background:var(--panel2);transform:translateY(-2px)}
.icon-btn svg{width:19px;height:19px;fill:currentColor}
.ic-off,.ic-sun{display:none}
body.muted .ic-on{display:none}body.muted .ic-off{display:block}
[data-theme="light"] .ic-moon{display:none}[data-theme="light"] .ic-sun{display:block}
.eq{position:absolute;bottom:5px;right:5px;display:flex;gap:1px;align-items:flex-end;height:7px}
.eq i{width:2px;background:var(--a1);border-radius:1px;animation:eq 1s ease-in-out infinite}
.eq i:nth-child(2){animation-delay:.2s}.eq i:nth-child(3){animation-delay:.4s}
body.muted .eq{display:none}
@keyframes eq{0%,100%{height:2px}50%{height:7px}}
.menu-btn{display:none;flex-direction:column;gap:5px}
.menu-btn span{display:block;width:16px;height:1.8px;background:currentColor;border-radius:2px;transition:transform .3s}
body.menu-open .menu-btn span:first-child{transform:translateY(3.4px) rotate(45deg)}
body.menu-open .menu-btn span:last-child{transform:translateY(-3.4px) rotate(-45deg)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 22px;border-radius:14px;font-weight:600;font-size:15px;position:relative;overflow:hidden;transition:transform .25s var(--ease),box-shadow .3s}
.btn svg{width:18px;height:18px}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 14px 36px -12px var(--a2)}
.btn-primary::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,transparent 30%,rgba(255,255,255,.35) 50%,transparent 70%);transform:translateX(-100%);transition:transform .7s}
.btn-primary:hover::after{transform:translateX(100%)}
.btn-ghost{border:1px solid var(--line);background:var(--panel)}
.btn-ghost:hover{background:var(--panel2)}
.btn:active{transform:scale(.97)}
.mini-btn{font-size:13px;padding:7px 12px;border-radius:10px;border:1px solid var(--line);background:var(--panel);transition:background .2s}
.mini-btn:hover{background:var(--panel2)}

/* ---------- hero ---------- */
.hero{min-height:100vh;width:min(1180px,calc(100% - 40px));margin:0 auto;display:grid;grid-template-columns:1.05fr 1fr;align-items:center;gap:40px;padding:120px 0 80px;position:relative}
.status-pill{display:inline-flex;align-items:center;gap:10px;padding:7px 14px;border-radius:999px;border:1px solid var(--line);background:var(--panel);font-size:13px;color:var(--muted);margin-bottom:22px}
.pulse{width:8px;height:8px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 0 var(--ok);animation:pulse 2s infinite;display:inline-block}
@keyframes pulse{0%{box-shadow:0 0 0 0 color-mix(in srgb,var(--ok) 70%,transparent)}70%{box-shadow:0 0 0 10px transparent}100%{box-shadow:0 0 0 0 transparent}}
.hero-title{font-size:clamp(40px,5.6vw,74px);line-height:1;letter-spacing:-.045em;font-weight:800;margin-bottom:22px}
.hero-title .line{display:block;overflow:hidden;padding-bottom:.06em}
.hero-title .word{display:inline-block;transform:translateY(110%);transition:transform 1.1s var(--ease)}
.hero-title .line:first-child .word{font-size:.5em;font-weight:600;color:var(--muted);letter-spacing:-.02em}
body.ready .hero-title .word{transform:none}
body.ready .hero-title .line:nth-child(2) .word{transition-delay:.12s}
body.ready .hero-title .line:nth-child(3) .word{transition-delay:.24s}
.hero-role{font-size:clamp(18px,2vw,22px);font-weight:500;margin-bottom:14px;min-height:1.6em}
.typed{color:var(--a1);font-family:var(--mono);font-weight:600}
.caret{color:var(--a1);animation:blink 1s steps(1) infinite;margin-left:2px}
@keyframes blink{50%{opacity:0}}
.hero-sub{color:var(--muted);max-width:540px;font-size:16.5px;margin-bottom:30px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:42px}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;max-width:560px}
.stat{padding:14px 12px;border:1px solid var(--line);border-radius:16px;background:var(--panel)}
.stat b{display:block;font-size:24px;font-weight:800;letter-spacing:-.03em;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{font-size:12px;color:var(--muted);line-height:1.3;display:block}

/* 3D stage */
.hero-visual{position:relative;display:flex;flex-direction:column;align-items:center}
.stage{width:min(520px,100%);aspect-ratio:748/750;perspective:1100px;position:relative}
.stage-inner{position:absolute;inset:0;transform-style:preserve-3d;will-change:transform}
.layer{position:absolute;inset:0}
.layer img{width:100%;height:100%;object-fit:cover;user-select:none;-webkit-user-drag:none;pointer-events:none}
.frame-bg{clip-path:inset(35% 17% 0 17% round 26px);transform:translateZ(0)}
.frame-bg img{transform:scale(1.04);filter:saturate(1.1) contrast(1.02)}
.frame-shade{clip-path:inset(35% 17% 0 17% round 26px);background:linear-gradient(180deg,rgba(7,11,20,.05),rgba(7,11,20,.45));}
.frame-edge{inset:35% 17% 0 17%;border-radius:26px;border:1.5px solid rgba(255,255,255,.18);box-shadow:0 40px 80px -20px rgba(0,0,0,.6),0 0 0 1px rgba(255,255,255,.04) inset;transform:translateZ(1px)}
.person{transform:translateZ(70px);filter:drop-shadow(0 25px 30px rgba(0,0,0,.45))}
.shine{clip-path:inset(35% 17% 0 17% round 26px);background:radial-gradient(circle at var(--sx,50%) var(--sy,30%),rgba(255,255,255,.22),transparent 45%);mix-blend-mode:overlay;transform:translateZ(2px)}
.halo{position:absolute;left:50%;top:44%;width:78%;aspect-ratio:1;border-radius:50%;transform:translate(-50%,-50%) translateZ(-60px);background:radial-gradient(circle,color-mix(in srgb,var(--a2) 45%,transparent),transparent 65%);filter:blur(10px);animation:breathe 5s ease-in-out infinite}
@keyframes breathe{50%{opacity:.6;transform:translate(-50%,-50%) translateZ(-60px) scale(1.08)}}
.orbit{position:absolute;left:50%;top:50%;border-radius:50%;border:1.5px dashed color-mix(in srgb,var(--a1) 40%,transparent)}
.o1{width:98%;aspect-ratio:1;transform:translate(-50%,-50%) translateZ(-80px) scaleY(.32) rotate(0deg);animation:spin 26s linear infinite}
.o2{width:80%;aspect-ratio:1;border-color:color-mix(in srgb,var(--a3) 40%,transparent);transform:translate(-50%,-50%) translateZ(-70px) scaleY(.26) rotate(-12deg);animation:spin2 34s linear infinite}
@keyframes spin{to{transform:translate(-50%,-50%) translateZ(-80px) scaleY(.32) rotate(360deg)}}
@keyframes spin2{to{transform:translate(-50%,-50%) translateZ(-70px) scaleY(.26) rotate(-372deg)}}
.chip{position:absolute;display:flex;align-items:center;gap:8px;padding:8px 13px;border-radius:12px;font-size:12.5px;font-weight:600;white-space:nowrap;background:color-mix(in srgb,var(--bg2) 72%,transparent);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid var(--line);box-shadow:0 18px 40px -16px rgba(0,0,0,.55);animation:bob 5s ease-in-out infinite}
.ci{width:9px;height:9px;border-radius:3px;display:inline-block}
.ci.aws{background:#ff9900}.ci.az{background:#0a84ff}.ci.vm{background:#78be20}.ci.ms{background:linear-gradient(135deg,#f25022 50%,#7fba00 50%)}.ci.sec{background:var(--ok)}
.c1{top:12%;left:2%;--z:120px;animation-delay:0s}
.c2{top:24%;right:0;--z:90px;animation-delay:-1s}
.c3{top:58%;left:-4%;--z:140px;animation-delay:-2s}
.c4{bottom:18%;right:-4%;--z:100px;animation-delay:-3s}
.c5{bottom:4%;left:8%;--z:160px;animation-delay:-1.5s}
@keyframes bob{0%,100%{transform:translateZ(var(--z)) translateY(0)}50%{transform:translateZ(var(--z)) translateY(-10px)}}
.stage-hint{margin-top:14px;font-size:12px;color:var(--dim);font-family:var(--mono)}
.scroll-cue{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);width:24px;height:38px;border:1.5px solid var(--line);border-radius:14px}
.scroll-cue span{position:absolute;left:50%;top:7px;width:3px;height:8px;border-radius:2px;background:var(--a1);transform:translateX(-50%);animation:cue 1.8s infinite}
@keyframes cue{60%{transform:translate(-50%,12px);opacity:0}100%{opacity:0}}

/* marquee */
.marquee{border-block:1px solid var(--line);overflow:hidden;padding:18px 0;background:var(--panel);mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent)}
.marquee-track{display:flex;gap:28px;width:max-content;animation:marq 40s linear infinite;font-weight:600;font-size:18px;color:var(--muted)}
.marquee:hover .marquee-track{animation-play-state:paused}
.marquee-track i{color:var(--a1);font-style:normal}
@keyframes marq{to{transform:translateX(-50%)}}

/* ---------- sections ---------- */
.section{width:min(1180px,calc(100% - 40px));margin:0 auto;padding:120px 0 40px}
.sec-head{margin-bottom:50px;max-width:760px}
.sec-kicker{font-family:var(--mono);font-size:13px;color:var(--a1);letter-spacing:.06em;display:inline-block;margin-bottom:14px}
.sec-head h2,.contact-box h2{font-size:clamp(32px,4.6vw,56px);line-height:1.05;letter-spacing:-.04em;font-weight:800}
.sec-sub{color:var(--muted);margin-top:16px;font-size:16.5px;max-width:640px}

.reveal{opacity:0;transform:translateY(40px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* about */
.about-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:start}
.about-text p{color:var(--muted);margin-bottom:16px;font-size:16.5px}
.about-text .lead{color:var(--text);font-size:21px;font-weight:500;line-height:1.5}
.about-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.about-tags span,.pills span{font-size:12.5px;padding:6px 11px;border-radius:999px;border:1px solid var(--line);background:var(--panel);color:var(--muted)}
.term{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:#0a0f1a;box-shadow:var(--shadow)}
.term-bar{display:flex;align-items:center;gap:7px;padding:12px 14px;background:#111827;border-bottom:1px solid rgba(255,255,255,.06)}
.term-bar i{width:11px;height:11px;border-radius:50%;background:#ff5f57}.term-bar i:nth-child(2){background:#febc2e}.term-bar i:nth-child(3){background:#28c840}
.term-bar span{margin-left:8px;font-family:var(--mono);font-size:12px;color:#7c8aa5}
.term-body{font-family:var(--mono);font-size:13px;line-height:1.75;color:#cbd5e1;padding:18px 20px;min-height:320px;white-space:pre-wrap}
.term-body .p{color:#22d3ee}.term-body .k{color:#a78bfa}.term-body .s{color:#34d399}.term-body .m{color:#64748b}

/* tilt + spotlight */
.tilt{position:relative;transform-style:preserve-3d;transition:transform .5s var(--ease),border-color .3s;will-change:transform}
.tilt::before{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;background:radial-gradient(420px circle at var(--mx,50%) var(--my,50%),color-mix(in srgb,var(--a1) 14%,transparent),transparent 45%);opacity:0;transition:opacity .3s}
.tilt:hover::before{opacity:1}

/* cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{position:relative;padding:28px;border-radius:var(--radius);border:1px solid var(--line);background:var(--panel)}
.card:hover{border-color:color-mix(in srgb,var(--a1) 40%,var(--line))}
.card-ic{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;background:color-mix(in srgb,var(--a2) 16%,transparent);color:var(--a1);margin-bottom:18px;transform:translateZ(30px)}
.card-ic svg{width:24px;height:24px}
.card h3{font-size:19px;letter-spacing:-.02em;margin-bottom:10px;transform:translateZ(20px)}
.card p{color:var(--muted);font-size:14.5px;margin-bottom:16px}
.pills{display:flex;flex-wrap:wrap;gap:6px}

/* timeline */
.timeline{position:relative;padding-left:40px}
.tl-line{position:absolute;left:11px;top:0;bottom:0;width:2px;background:var(--line);border-radius:2px;overflow:hidden}
.tl-line span{display:block;width:100%;height:0;background:var(--grad)}
.tl-item{position:relative;margin-bottom:22px}
.tl-dot{position:absolute;left:-36px;top:26px;width:16px;height:16px;border-radius:50%;background:var(--bg);border:2px solid var(--a2);transition:background .4s,box-shadow .4s}
.tl-item.in .tl-dot{background:var(--a2);box-shadow:0 0 0 6px color-mix(in srgb,var(--a2) 20%,transparent)}
.tl-dot.now{border-color:var(--ok)}
.tl-item.in .tl-dot.now{background:var(--ok);animation:pulse 2s infinite}
.tl-card{position:relative;padding:22px 26px;border-radius:var(--radius);border:1px solid var(--line);background:var(--panel)}
.tl-meta{display:flex;align-items:center;gap:10px;margin-bottom:8px;flex-wrap:wrap}
.tl-date{font-family:var(--mono);font-size:12.5px;color:var(--a1)}
.badge{font-size:11px;font-weight:600;padding:3px 9px;border-radius:999px;border:1px solid var(--line);color:var(--muted)}
.badge.live{color:var(--ok);border-color:color-mix(in srgb,var(--ok) 40%,transparent);background:color-mix(in srgb,var(--ok) 10%,transparent)}
.tl-card h3{font-size:19px;letter-spacing:-.02em}
.tl-card h4{font-size:14px;font-weight:500;color:var(--muted);margin-bottom:8px}
.tl-card p{color:var(--muted);font-size:14.5px}

/* ---------- ops board ---------- */
.board-wrap{border-radius:26px;border:1px solid var(--line);background:var(--panel);overflow:hidden;box-shadow:var(--shadow)}
.board-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 16px;border-bottom:1px solid var(--line);font-size:13px;color:var(--muted);flex-wrap:wrap}
.bt-live{display:flex;align-items:center;gap:8px;font-family:var(--mono)}
.bt-live b{color:var(--text)}
.bt-actions{display:flex;gap:8px}
.board{position:relative;height:clamp(420px,62vh,620px);overflow:hidden;background:
  radial-gradient(circle at 20% 10%,color-mix(in srgb,var(--a2) 10%,transparent),transparent 40%),
  radial-gradient(circle at 80% 90%,color-mix(in srgb,var(--a3) 10%,transparent),transparent 40%)}
.board-grid{position:absolute;inset:0;display:grid;gap:6px;padding:6px}
.cell{border-radius:10px;border:1px dashed color-mix(in srgb,var(--text) 10%,transparent);transition:background .25s,border-color .25s,transform .25s var(--spring);position:relative}
.cell:hover{background:color-mix(in srgb,var(--a1) 9%,transparent);border-color:color-mix(in srgb,var(--a1) 45%,transparent);border-style:solid}
.cell:active{transform:scale(.92)}
.cell.ping::after{content:"";position:absolute;inset:0;border-radius:inherit;border:2px solid var(--a1);animation:ping .6s ease-out forwards}
@keyframes ping{from{opacity:1;transform:scale(1)}to{opacity:0;transform:scale(1.5)}}
.wires{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;z-index:2;overflow:visible}
.wire-glow{fill:none;stroke:var(--a2);stroke-width:7;stroke-linecap:round;opacity:.18}
.wire{fill:none;stroke-width:2.4;stroke-linecap:round}
.wire-flow{fill:none;stroke:#fff;stroke-width:2.4;stroke-linecap:round;stroke-dasharray:2 16;opacity:.6;animation:flow 1.1s linear infinite}
[data-theme="light"] .wire-flow{stroke:var(--a2)}
@keyframes flow{to{stroke-dashoffset:-36}}
.wire-plug{fill:var(--bg2);stroke:var(--a1);stroke-width:2}
.wire-g{transition:opacity .45s}
.wire-g.snap{opacity:0}
.notes{position:absolute;inset:0;z-index:3;pointer-events:none}
.note{position:absolute;left:0;top:0;width:170px;pointer-events:auto;cursor:grab;touch-action:none;user-select:none;-webkit-user-select:none;will-change:transform}
.note.dragging{cursor:grabbing}
.note.falling{pointer-events:none}
.note-in{position:relative;min-height:134px;padding:22px 14px 14px;border-radius:4px 4px 14px 4px;color:#1f2430;transform-origin:50% 8px;
  box-shadow:0 1px 1px rgba(0,0,0,.08),0 14px 26px -8px rgba(0,0,0,.5);transition:box-shadow .25s}
.note.dragging .note-in{box-shadow:0 34px 50px -12px rgba(0,0,0,.6)}
.note-in::after{content:"";position:absolute;right:0;bottom:0;width:22px;height:22px;background:linear-gradient(135deg,rgba(0,0,0,.12) 50%,rgba(255,255,255,.4) 50%);border-radius:0 0 14px 0}
.note .n-tag{font-family:var(--mono);font-size:10px;letter-spacing:.06em;text-transform:uppercase;opacity:.6;display:block;margin-bottom:4px}
.note .n-txt{display:block;font-family:Caveat,'Segoe Print','Bradley Hand','Comic Sans MS',cursive;font-size:22px;line-height:1.1;font-weight:700}
.note .n-pin{position:absolute;top:-9px;left:50%;margin-left:-10px;width:20px;height:20px;border-radius:50%;background:radial-gradient(circle at 35% 35%,#ff8a8a,#d62f2f 60%,#8f1414);box-shadow:0 3px 5px rgba(0,0,0,.4);cursor:pointer;border:0;transition:transform .2s}
.note .n-pin:hover{transform:scale(1.25)}
.note.pinned .n-pin{background:radial-gradient(circle at 35% 35%,#8affc8,#11b26b 60%,#0a6b40)}
.note .n-timer{position:absolute;left:10px;right:26px;bottom:6px;height:3px;border-radius:2px;background:rgba(0,0,0,.1);overflow:hidden}
.note .n-timer i{display:block;height:100%;width:100%;background:rgba(0,0,0,.4);transform-origin:0 50%}
.note.pinned .n-timer{opacity:0}
.note-in.y{background:#fde68a}.note-in.p{background:#fbcfe8}.note-in.b{background:#bae6fd}.note-in.g{background:#bbf7d0}.note-in.v{background:#ddd6fe}.note-in.o{background:#fed7aa}
.board-empty{position:absolute;inset:0;display:grid;place-items:center;pointer-events:none;z-index:1;transition:opacity .4s}
.board-empty .hand{font-family:Caveat,'Segoe Print','Bradley Hand','Comic Sans MS',cursive;font-size:34px;color:var(--muted);animation:bob2 2s ease-in-out infinite}
@keyframes bob2{50%{transform:translateY(-8px)}}
.board-empty.hide{opacity:0}

/* ---------- certs ---------- */
.cert-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-bottom:40px}
.flip{perspective:900px;height:220px}
.flip-in{position:relative;width:100%;height:100%;transform-style:preserve-3d;transition:transform .8s var(--spring)}
.flip:hover .flip-in,.flip:focus-within .flip-in,.flip.flipped .flip-in{transform:rotateY(180deg)}
.flip-f,.flip-b{position:absolute;inset:0;border-radius:20px;padding:20px;backface-visibility:hidden;-webkit-backface-visibility:hidden;border:1px solid var(--line);display:flex;flex-direction:column}
.flip-f{background:var(--panel)}
.flip-f h3{font-size:15.5px;line-height:1.35;letter-spacing:-.01em;margin-top:auto}
.cert-n{font-family:var(--mono);font-size:30px;font-weight:600;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.flip-hint{font-size:11px;color:var(--dim);margin-top:10px;font-family:var(--mono)}
.flip-b{transform:rotateY(180deg);background:var(--grad);color:#fff;justify-content:center}
.flip-b p{font-size:14px;font-weight:500}
.edu{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:14px}
.edu-item{position:relative;padding:24px;border-radius:var(--radius);border:1px solid var(--line);background:var(--panel)}
.edu-yr{font-family:var(--mono);font-size:12.5px;color:var(--a1)}
.edu-item h3{font-size:18px;letter-spacing:-.02em;margin:6px 0}
.edu-item p{color:var(--muted);font-size:14px}

/* ---------- contact ---------- */
.contact{padding-bottom:80px}
.contact-box{position:relative;padding:clamp(28px,5vw,60px);border-radius:32px;border:1px solid var(--line);background:linear-gradient(160deg,color-mix(in srgb,var(--a2) 10%,transparent),transparent 50%),var(--panel);overflow:hidden}
.contact-box::before{content:"";position:absolute;width:420px;height:420px;border-radius:50%;right:-140px;top:-160px;background:var(--a3);filter:blur(100px);opacity:.2}
.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:34px 0}
.c-item{display:flex;align-items:center;gap:14px;padding:16px 18px;border-radius:18px;border:1px solid var(--line);background:color-mix(in srgb,var(--bg2) 50%,transparent);text-align:left;transition:border-color .3s,transform .3s var(--ease)}
a.c-item:hover,button.c-item:hover{border-color:color-mix(in srgb,var(--a1) 50%,var(--line))}
.c-ic{width:44px;height:44px;flex:none;border-radius:13px;display:grid;place-items:center;background:color-mix(in srgb,var(--a2) 16%,transparent);color:var(--a1)}
.c-ic svg{width:21px;height:21px}
.c-txt{display:flex;flex-direction:column;font-weight:600;font-size:15px;min-width:0;overflow-wrap:anywhere}
.c-txt small{font-weight:500;color:var(--muted);font-size:12px}
.clock{font-style:normal;font-family:var(--mono);font-size:12px;color:var(--a1);font-weight:500}
.msg-form{display:grid;gap:14px;position:relative}
.f-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.msg-form label{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--muted)}
.msg-form input,.msg-form textarea{font:inherit;font-size:15px;color:var(--text);padding:13px 15px;border-radius:14px;border:1px solid var(--line);background:color-mix(in srgb,var(--bg2) 60%,transparent);resize:vertical;transition:border-color .25s,box-shadow .25s}
.msg-form input:focus,.msg-form textarea:focus{outline:none;border-color:var(--a1);box-shadow:0 0 0 4px color-mix(in srgb,var(--a1) 18%,transparent)}
.msg-form .bad{border-color:#f87171}
.f-foot{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.f-note{font-size:13px;color:var(--dim)}

.footer{width:min(1180px,calc(100% - 40px));margin:0 auto;padding:28px 0 40px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13.5px;color:var(--muted)}
.to-top:hover{color:var(--a1)}

.toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%,30px);opacity:0;padding:12px 18px;border-radius:14px;background:var(--bg2);border:1px solid var(--line);box-shadow:var(--shadow);font-size:14px;z-index:250;transition:all .4s var(--spring);pointer-events:none}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* ---------- responsive ---------- */
@media (max-width:1020px){
  .hero{grid-template-columns:1fr;padding-top:110px;text-align:left}
  .hero-visual{order:-1}
  .stage{width:min(440px,92%)}
  .cards{grid-template-columns:repeat(2,1fr)}
  .cert-grid{grid-template-columns:repeat(2,1fr)}
  .cert-grid .flip:last-child{grid-column:span 2}
  .about-grid{grid-template-columns:1fr}
}
@media (max-width:820px){
  .nav-links{position:fixed;top:72px;left:14px;right:14px;flex-direction:column;padding:10px;border-radius:18px;background:var(--bg2);border:1px solid var(--line);box-shadow:var(--shadow);opacity:0;visibility:hidden;transform:translateY(-10px);transition:all .3s var(--ease)}
  body.menu-open .nav-links{opacity:1;visibility:visible;transform:none}
  .nav-links a{padding:12px 14px}
  .menu-btn{display:flex}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .edu{grid-template-columns:1fr}
  .contact-grid,.f-row{grid-template-columns:1fr}
  .section{padding-top:90px}
  .note{width:142px}
  .note-in{min-height:112px}
  .note .n-txt{font-size:19px}
}
@media (max-width:560px){
  .cards,.cert-grid{grid-template-columns:1fr}
  .cert-grid .flip:last-child{grid-column:auto}
  .chip{font-size:11px;padding:6px 10px}
  .c3{left:0}.c4{right:0}
  .scroll-cue{display:none}
}
@media (hover:none){.cursor-dot,.cursor-ring{display:none}.stage-hint{display:none}}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
  html{scroll-behavior:auto}
}

/* ==========================================================
   v2 additions: quick contact, 3D cube, 3D globe, dock, polish
   ========================================================== */
.quick-contact{display:flex;flex-wrap:wrap;gap:8px 18px;margin:-22px 0 30px;font-size:14px}
.quick-contact a{display:inline-flex;align-items:center;gap:8px;color:var(--muted);transition:color .25s}
.quick-contact a:hover{color:var(--a1)}
.quick-contact svg{width:16px;height:16px;color:var(--a1)}

/* animated gradient border on cards */
.card,.tl-card,.edu-item{isolation:isolate}
.card::after,.tl-card::after,.edu-item::after{content:"";position:absolute;inset:-1px;border-radius:inherit;padding:1px;background:conic-gradient(from var(--ang,0deg),transparent 0 60%,var(--a1) 75%,var(--a3) 90%,transparent 100%);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;opacity:0;transition:opacity .4s;pointer-events:none;animation:angSpin 4s linear infinite}
.card:hover::after,.tl-card:hover::after,.edu-item:hover::after{opacity:1}
@property --ang{syntax:'<angle>';inherits:false;initial-value:0deg}
@keyframes angSpin{to{--ang:360deg}}
.sec-head h2{text-shadow:0 10px 40px color-mix(in srgb,var(--a2) 18%,transparent)}

/* 3D cube */
.exp-head{display:grid;grid-template-columns:1fr auto;align-items:center;gap:30px;margin-bottom:50px}
.exp-head .sec-head{margin-bottom:0}
.cube-scene{--s:170px;width:calc(var(--s)*1.6);height:calc(var(--s)*1.6);perspective:900px;display:grid;place-items:center;position:relative;cursor:grab;touch-action:none;user-select:none}
.cube-scene:active{cursor:grabbing}
.cube{width:var(--s);height:var(--s);position:relative;transform-style:preserve-3d;will-change:transform}
.face{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;border-radius:18px;border:1px solid color-mix(in srgb,var(--a1) 45%,transparent);background:linear-gradient(145deg,color-mix(in srgb,var(--a2) 55%,var(--bg2)),color-mix(in srgb,var(--a3) 45%,var(--bg2)));box-shadow:inset 0 0 40px color-mix(in srgb,var(--a1) 22%,transparent);color:var(--text);backface-visibility:visible}
.face b{font-size:22px;letter-spacing:-.02em}
.face span{font-family:var(--mono);font-size:12px;color:var(--muted)}
.face::before{content:"";position:absolute;inset:10px;border-radius:12px;border:1px dashed color-mix(in srgb,var(--text) 14%,transparent)}
.f1{transform:translateZ(calc(var(--s)/2))}
.f2{transform:rotateY(180deg) translateZ(calc(var(--s)/2))}
.f3{transform:rotateY(90deg) translateZ(calc(var(--s)/2))}
.f4{transform:rotateY(-90deg) translateZ(calc(var(--s)/2))}
.f5{transform:rotateX(90deg) translateZ(calc(var(--s)/2))}
.f6{transform:rotateX(-90deg) translateZ(calc(var(--s)/2))}
.cube-shadow{position:absolute;bottom:4%;left:50%;width:60%;height:18px;transform:translateX(-50%);border-radius:50%;background:radial-gradient(closest-side,color-mix(in srgb,var(--a2) 45%,transparent),transparent);filter:blur(6px);animation:shad 4s ease-in-out infinite}
@keyframes shad{50%{transform:translateX(-50%) scale(.8);opacity:.6}}

/* globe */
.globe-sec{padding-bottom:20px}
.globe-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:40px;align-items:center}
.reach-list{list-style:none;margin-top:26px;display:grid;gap:10px}
.reach-list li{display:flex;align-items:center;gap:12px;padding:12px 16px;border-radius:14px;border:1px solid var(--line);background:var(--panel);font-weight:600;font-size:15px}
.reach-list i{width:10px;height:10px;border-radius:50%;box-shadow:0 0 12px currentColor}
.reach-list em{margin-left:auto;font-style:normal;font-family:var(--mono);font-size:12px;color:var(--muted);font-weight:400}
.globe-wrap{position:relative;aspect-ratio:1;width:min(560px,100%);margin-inline:auto}
#globe{width:100%;height:100%;cursor:grab;touch-action:pan-y;position:relative;z-index:1}
#globe:active{cursor:grabbing}
.globe-ring{position:absolute;inset:6%;border-radius:50%;background:radial-gradient(circle at 35% 30%,color-mix(in srgb,var(--a2) 22%,transparent),transparent 60%),radial-gradient(circle,transparent 60%,color-mix(in srgb,var(--a1) 14%,transparent) 71%,transparent 74%);filter:blur(2px)}

/* floating dock */
.dock{position:fixed;right:18px;bottom:18px;z-index:120;display:flex;flex-direction:column;gap:10px;opacity:0;transform:translateY(20px);transition:all .5s var(--spring);pointer-events:none}
.dock.show{opacity:1;transform:none;pointer-events:auto}
.dock-btn{width:48px;height:48px;border-radius:16px;display:grid;place-items:center;color:#fff;background:var(--grad);box-shadow:0 14px 30px -10px var(--a2);transition:transform .25s var(--spring)}
.dock-btn.wa{background:linear-gradient(135deg,#25d366,#128c7e);box-shadow:0 14px 30px -10px #25d366}
.dock-btn:hover{transform:translateY(-3px) scale(1.06)}
.dock-btn svg{width:22px;height:22px}
.footer a:hover{color:var(--a1)}

@media (max-width:1020px){
  .globe-grid{grid-template-columns:1fr}
  .exp-head{grid-template-columns:1fr;justify-items:center;text-align:left}
  .exp-head .sec-head{justify-self:stretch}
}
@media (max-width:560px){.cube-scene{--s:130px}.dock-btn{width:44px;height:44px}}

/* ==========================================================
   v3: 3D robot engineer (pure CSS 3D boxes)
   ========================================================== */
.stage{cursor:grab;touch-action:pan-y}
.stage:active{cursor:grabbing}
.floor{position:absolute;left:50%;top:84%;width:72%;aspect-ratio:1;transform:translate(-50%,-50%) rotateX(90deg);border-radius:50%;
  background:radial-gradient(circle,color-mix(in srgb,var(--a2) 35%,transparent) 0,transparent 62%),
  repeating-radial-gradient(circle,transparent 0 18px,color-mix(in srgb,var(--a1) 22%,transparent) 18px 19px);
  -webkit-mask:radial-gradient(circle,#000 40%,transparent 70%);mask:radial-gradient(circle,#000 40%,transparent 70%)}
.bot-wrap{position:absolute;left:50%;top:47%;transform-style:preserve-3d;cursor:pointer}
.bot-scale{transform-style:preserve-3d;transform:scale(var(--k,1))}
.bot{position:relative;transform-style:preserve-3d;animation:hover 3.6s ease-in-out infinite}
.bot.jump{animation:jump .7s cubic-bezier(.3,1.6,.5,1)}
@keyframes hover{0%,100%{transform:translateY(0)}50%{transform:translateY(-16px)}}
@keyframes jump{0%{transform:translateY(0) rotateY(0)}45%{transform:translateY(-70px) rotateY(180deg)}100%{transform:translateY(0) rotateY(360deg)}}
.part{position:absolute;left:0;top:0;transform-style:preserve-3d}
.fc{position:absolute;left:0;top:0;background:var(--c);border-radius:var(--br,6px)}
.fc.ft{box-shadow:inset 0 0 0 1px rgba(255,255,255,.18),inset 0 -14px 24px rgba(0,0,0,.08)}
.fc.bk{filter:brightness(.6)}
.fc.rt{filter:brightness(.78)}
.fc.lf{filter:brightness(.86)}
.fc.tp{filter:brightness(1.12)}
.fc.bt{filter:brightness(.5)}
.shell{--c:#eef3fb}
[data-theme="dark"] .shell{--c:#e3eaf6}
.accent{--c:#3b82f6}
.accent2{--c:#22d3ee}
.metal{--c:#94a3b8}
.dark{--c:#111827;--br:10px}
.glow{--c:#22d3ee}
.glow .fc{box-shadow:0 0 18px #22d3ee;animation:led 1.6s ease-in-out infinite}
@keyframes led{50%{opacity:.45}}
/* face screen */
.visor .ft{display:flex;align-items:center;justify-content:center;gap:22px;background:radial-gradient(circle at 50% 30%,#1e293b,#0b1120)}
.eye{width:20px;height:24px;border-radius:50%;background:#22d3ee;box-shadow:0 0 14px #22d3ee,0 0 30px #22d3ee;animation:blink 4.5s infinite;transform-origin:50% 50%}
.eye.happy{height:10px;border-radius:20px 20px 0 0;background:transparent;border:4px solid #22d3ee;border-bottom:0;box-shadow:0 -4px 14px -4px #22d3ee}
@keyframes blink{0%,46%,50%,100%{transform:scaleY(1)}48%{transform:scaleY(.1)}}
.mouth{position:absolute;bottom:7px;left:50%;width:22px;height:5px;margin-left:-11px;border-radius:0 0 10px 10px;background:#22d3ee;opacity:.8;box-shadow:0 0 10px #22d3ee}
/* chest screen */
.screen .ft{background:#0b1120;overflow:hidden;display:flex;flex-direction:column;justify-content:center;padding:0 6px;gap:4px}
.screen svg{width:100%;height:22px}
.screen svg path{fill:none;stroke:#34d399;stroke-width:2;stroke-dasharray:120;animation:ecg 1.6s linear infinite;filter:drop-shadow(0 0 3px #34d399)}
@keyframes ecg{from{stroke-dashoffset:120}to{stroke-dashoffset:-120}}
.leds{display:flex;gap:4px}
.leds i{width:6px;height:6px;border-radius:50%;background:#34d399;animation:led 1s infinite}
.leds i:nth-child(2){background:#22d3ee;animation-delay:.3s}.leds i:nth-child(3){background:#f59e0b;animation-delay:.6s}.leds i:nth-child(4){background:#34d399;animation-delay:.9s}
.logo-face .ft{display:grid;place-items:center;color:#fff;font:800 13px Inter,sans-serif;letter-spacing:.02em}
/* limbs */
.arm-r{animation:wave 2.4s ease-in-out infinite}
.arm-l{animation:sway 3.6s ease-in-out infinite}
.forearm-r{animation:waveF 2.4s ease-in-out infinite}
@keyframes wave{0%,100%{transform:translate3d(var(--x),var(--y),0) rotateZ(-150deg)}50%{transform:translate3d(var(--x),var(--y),0) rotateZ(-130deg)}}
@keyframes waveF{0%,100%{transform:translate3d(0,62px,0) rotateZ(-25deg)}50%{transform:translate3d(0,62px,0) rotateZ(25deg)}}
@keyframes sway{0%,100%{transform:translate3d(var(--x),var(--y),0) rotateZ(8deg) rotateX(6deg)}50%{transform:translate3d(var(--x),var(--y),0) rotateZ(4deg) rotateX(-6deg)}}
.flame{position:absolute;left:-12px;top:0;width:24px;height:46px;border-radius:50% 50% 50% 50%/30% 30% 70% 70%;
  background:radial-gradient(ellipse at 50% 20%,#fff 0,#a5f3fc 25%,#22d3ee 50%,transparent 72%);filter:blur(1px);transform-origin:50% 0;animation:flame .18s ease-in-out infinite alternate}
@keyframes flame{to{transform:scaleY(.75) scaleX(.9);opacity:.8}}
/* bubble */
.bubble{position:absolute;left:58%;top:4%;max-width:230px;padding:12px 16px;border-radius:16px 16px 16px 4px;font-size:14px;font-weight:600;line-height:1.35;
  background:color-mix(in srgb,var(--bg2) 82%,transparent);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid var(--line);box-shadow:var(--shadow);
  transform:translateZ(150px);transition:opacity .3s,transform .3s}
.bubble.swap{opacity:0}
.bubble::after{content:"";position:absolute;left:10px;bottom:-7px;width:12px;height:12px;background:inherit;border-right:1px solid var(--line);border-bottom:1px solid var(--line);transform:rotate(45deg)}
.c1{top:18%;left:0}.c2{top:30%;right:-2%}.c3{top:60%;left:-2%}.c4{bottom:16%;right:-3%}.c5{bottom:4%;left:12%}
@media (max-width:1020px){.bubble{left:52%;top:0;max-width:180px;font-size:12.5px}}
@media (max-width:560px){.bubble{left:46%;max-width:160px}}
.chip{backface-visibility:hidden;-webkit-backface-visibility:hidden}
.bubble{top:0;left:60%}
@media (max-width:1020px){.bot-wrap{top:53%}.bubble{top:-2%;left:56%}}
@media (max-width:560px){.c1{left:4%}.c3{left:2%}.c2{right:2%}.c4{right:2%}.bubble{left:52%;top:-4%}}