/* ── Space Mono ── */
@font-face {
  font-family: 'SpaceMono';
  src: url('fonts/SpaceMono-Regular.ttf') format('truetype');
  font-weight: 400;
}
@font-face {
  font-family: 'SpaceMono';
  src: url('fonts/SpaceMono-Bold.ttf') format('truetype');
  font-weight: 700;
}


/* ── Syne ── */
@font-face {
  font-family: 'Syne';
  src: url('fonts/Syne-VariableFont_wght.ttf') format('truetype');
  font-weight: 700;
}

/* ── RESET & VARIABLES ── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

:root{
  --bg:#060910;--surface:#0d1117;--s2:#161b22;
  --b:rgba(255,255,255,.07);--b2:rgba(255,255,255,.13);
  --txt:#e6edf3;--mut:rgba(230, 237, 243, 0.8);
  --ac:#00d97e;--acd:rgba(0,217,126,.08);--acg:rgba(0,217,126,.22);
  --bl:#58a6ff;--bld:rgba(88,166,255,.1);--or:#f0883e;
  --pu:#a78bfa;--pud:rgba(167,139,250,.1);--py:#fbbf24;--rp:#3b79f5;
  --icon-bg:var(--txt);
  --icon-txt:var(--bg);
  --btn-txt:#000;--repo-bg:#00d97e;--demo-bg:#9f80fe;
  --toggle-shadow: 0 10px 30px rgba(0,0,0,0.6), 0 0 15px rgba(255,255,255,0.03);
  --toggle-inner: inset 0 1px 1px rgba(255,255,255,0.1);
  /* --nav-bg:rgba(13,17,23,.92); */
  --fh: 'Syne', monospace;--fm: 'SpaceMono', monospace;
  --nw:300px;--nc:64px;--nh:60px;--ease:.28s cubic-bezier(.4,0,.2,1)
}

[data-theme="light"]{
  --bg:#f8fafc;--surface:#ffffff;--s2:#f1f5f9;
  --b:rgba(0,0,0,.07);--b2:rgba(0,0,0,.13);
  --txt:#0f172a;--mut:rgba(15,23,42,.85);
  --ac:#00b366;--acd:rgba(0,179,102,.08);--acg:rgba(0,179,102,.22);
  --bl:#1d4ed8;--bld:rgba(29,78,216,.1);--or:#c2410c;
  --pu:#7c3aed;--pud:rgba(124,58,237,.1);--py:#b45309;--rp:#1e40af;
  --icon-bg:var(--txt);
  --icon-txt:var(--bg);
  --btn-txt:#fff;--repo-bg:#00b366;--demo-bg:#7c3aed;
  --toggle-shadow: 0 10px 30px rgba(0,0,0,0.15), 0 0 10px rgba(0,0,0,0.05);
  --toggle-inner: inset 0 1px 1px rgba(0,0,0,0.1);
  /* --nav-bg:rgba(255,255,255,.92); */
}

html{scroll-behavior:smooth}

h1,h2,h3,h4,h5,h6{font-family:var(--fh)}

body{
  font-family:var(--fm);
  background:var(--bg);
  color:var(--txt);
  min-height:100vh;
  overflow-x:hidden
}

/* Dot grid background */
body::before{
  content:'';position:fixed;inset:0;
  background-image:radial-gradient(circle,rgba(255,255,255,.055) 1px,transparent 1px);
  background-size:28px 28px;pointer-events:none;z-index:0
}

/* Green ambient glow — top left */
body::after{
  content:'';position:fixed;top:-20%;left:-10%;
  width:600px;height:600px;
  background:radial-gradient(circle,rgba(0,217,126,.055) 0%,transparent 65%);
  pointer-events:none;z-index:0
}

/* Purple ambient glow — bottom right */
.bg-glow2{
  position:fixed;bottom:-15%;right:-8%;
  width:500px;height:500px;
  background:radial-gradient(circle,rgba(139,92,246,.045) 0%,transparent 65%);
  pointer-events:none;z-index:0
}

a{color:inherit;text-decoration:none}
ul{list-style:none}

/* ── SIDEBAR ── */
.pcs{color: var(--txt);font-weight: 700;}

.sb{
  position:fixed;top:0;left:0;bottom:0;
  width:var(--nw);background:var(--surface);
  border-right:1px solid var(--b);z-index:200;
  display:flex;flex-direction:column;overflow:hidden;
  transition:width var(--ease)
}
.sb.col{width:var(--nc)}

.sbh{
  display:flex;align-items:center;justify-content:space-between;
  padding:1.4rem 1.1rem 1.4rem 1.6rem;
  border-bottom:1px solid var(--b);min-height:70px;flex-shrink:0
}
.sb.col .sbh{justify-content:center;padding:1.4rem 0}

.sbb{overflow:hidden;white-space:nowrap;transition:opacity var(--ease),width var(--ease)}
.sb.col .sbb{opacity:0;width:0;pointer-events:none}
.sb.col #theme-toggle{display:none}

.lm{font-family:var(--fh);font-size:1.28rem;font-weight:800;letter-spacing:-.02em;line-height:1}
.lm span{color:var(--ac)}
.ls{font-family:var(--fm);font-size:.6rem;color:var(--mut);letter-spacing:.1em;margin-top:.25rem}

.sbt{
  width:30px;height:30px;border-radius:6px;
  background:transparent;border:1px solid var(--b);
  color:var(--mut);cursor:pointer;
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
  transition:background .18s,color .18s,border-color .18s
}
.sbt:hover{background:var(--s2);color:var(--txt);border-color:var(--b2)}
.sbt svg{transition:transform var(--ease)}
.sb.col .sbt svg{transform:rotate(180deg)}

.nis{flex:1;padding:.6rem .45rem;display:flex;flex-direction:column;gap:.2rem;overflow-y:auto}

.ni{
  display:flex;align-items:center;gap:.8rem;
  padding:.7rem .8rem;border-radius:6px;
  font-size:.87rem;font-weight:600;color:var(--mut);
  cursor:pointer;white-space:nowrap;position:relative;
  transition:background .18s,color .18s
}
.nic{
  font-family:var(--fm);font-size:.7rem;width:22px;text-align:center;flex-shrink:0;
  background:var(--icon-bg);color:var(--icon-txt);border:1px solid var(--b);border-radius:4px;padding:2px 0;font-weight:900;
}
.nil{overflow:hidden;transition:opacity var(--ease),max-width var(--ease);max-width:230px}
.sb.col .nil{opacity:0;max-width:0}
.ni:hover{background:var(--s2);color:var(--txt)}
.ni.active{background:var(--acd);color:var(--ac)}
.ni.active::before{
  content:'';position:absolute;left:0;top:20%;bottom:20%;
  width:2px;background:var(--ac);border-radius:0 2px 2px 0
}
.ni.active .nic{opacity:1}

/* Collapsed sidebar tooltips */
.sb.col .ni::after{
  content:attr(data-tip);
  position:absolute;left:calc(100% + 10px);top:50%;transform:translateY(-50%);
  background:var(--s2);border:1px solid var(--b2);color:var(--txt);
  padding:.35rem .75rem;border-radius:6px;
  font-size:.76rem;font-weight:600;
  white-space:nowrap;pointer-events:none;
  opacity:0;transition:opacity .15s;z-index:300
}
.sb.col .ni:hover::after{opacity:1}

.sbf{padding:1.1rem 1.4rem;border-top:1px solid var(--b);flex-shrink:0;overflow:hidden}
.sb.col .sbf{padding:1.1rem 0;display:flex;justify-content:center}

.sbfi{white-space:nowrap;transition:opacity var(--ease)}
.sb.col .sbfi{opacity:0;pointer-events:none}

.sbfd{display:none;width:7px;height:7px;border-radius:50%;background:var(--ac);animation:pulse 2s ease infinite}
.sb.col .sbfd{display:block}

.st{display:inline-flex;align-items:center;gap:.4rem;color:var(--ac);font-family:var(--fm);font-size:.75rem;margin-bottom:.4rem}
.std{width:6px;height:6px;border-radius:50%;background:var(--ac);animation:pulse 2s ease infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.75)}}
.sbf p{font-family:var(--fm);font-size:.75rem;color:var(--mut);line-height:1.6}

/* ── MOBILE TOP NAV ── */
.tn{
  display:none;position:fixed;top:0;left:0;right:0;height:var(--nh);
  background:var(--nav-bg);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--b);z-index:200;
  align-items:center;justify-content:space-between;padding:0 1.25rem;
  overflow:hidden;touch-action:none;overscroll-behavior:none
}
.tn .lm{font-size:1.3rem}
.tn-right{display:flex;align-items:center;gap:1rem}
.tn-theme-toggle{
  background:transparent;border:none;
  color:var(--mut);width:44px;height:24px;border-radius:6px;
  cursor:pointer;display:flex;align-items:center;justify-content:center;
  transition:none
}
.tn-theme-toggle:hover{background:transparent;color:var(--mut);border-color:transparent}
.hbg{display:flex;flex-direction:column;gap:4px;cursor:pointer;padding:4px}
.hbg span{display:block;width:20px;height:2px;background:var(--txt);border-radius:2px}

.mm{
  display:none;position:fixed;inset:var(--nh) 0 0 0;
  background:var(--surface);z-index:190;
  padding:1.5rem 1.25rem;flex-direction:column;gap:.4rem;overflow-y:auto;
  overscroll-behavior:none
}
.mm.open{display:flex}
.mi{
  display:flex;align-items:center;gap:.8rem;
  padding:.875rem 1rem;border-radius:6px;font-weight:600;color:var(--mut);cursor:pointer;transition:background .15s,color .15s;font-family:var(--fm);font-size:.83rem
}
.mi-icon{
  width:22px;height:20px;display:flex;align-items:center;justify-content:center;flex-shrink:0;
  background:var(--icon-bg);color:var(--icon-txt);border:1px solid var(--b);border-radius:4px;font-family:var(--fm);font-size:.7rem;font-weight:900;
}
.mi.active{background:var(--acd);color:var(--ac)}
.mi:hover{background:var(--s2);color:var(--txt)}

/* ── CONTENT AREA ── */
.ct{margin-left:var(--nw);min-height:100vh;position:relative;z-index:1;transition:margin-left var(--ease)}
.ct.col{margin-left:var(--nc)}
.pg{display:none;padding:3.5rem min(5%,3rem) 5rem}
.pg.active{display:block}

/* ── HOME ── */
.hero{
  min-height:calc(100vh - 3.5rem);
  display:grid;grid-template-columns:1fr 1fr;gap:3rem;
  align-items:center;justify-items:center;padding:3rem 0
}
.hero-left{display:flex;flex-direction:column;justify-content:center;max-width: 670px;}
.hero-right{display:flex;flex-direction:column;gap:1.5rem;max-width: 670px;}

.htag{
  font-family:var(--fm);font-size:.74rem;color:var(--ac);font-weight: 800;
  letter-spacing:.12em;margin-bottom:1.5rem;
  display:flex;align-items:center;gap:.6rem;
  opacity:0;animation:fadeUp .7s ease .1s both
}
.htag::before{content:'';display:inline-block;width:28px;height:1px;background:var(--ac)}

.htitle{
  font-size:clamp(2.6rem,5.5vw,5rem);font-weight:800;
  line-height:.95;letter-spacing:-.03em;margin-bottom:1.25rem;
  opacity:0;animation:fadeUp .8s ease .2s both
}
.htitle .ac{color:var(--ac)}
.htitle .dm{color:var(--mut);font-weight:400}

.hdesc{
  font-size:clamp(1rem,1.8vw,1.15rem);color:var(--mut);
  font-weight:400;line-height:1.7;margin-bottom:1.75rem;
  opacity:0;animation:fadeUp .8s ease .35s both
}

/* Focus pills */
.focus-pills{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:2rem;opacity:0;animation:fadeUp .8s ease .42s both}
.pill{display:inline-flex;align-items:center;gap:.4rem;padding:.32rem .85rem;border-radius:20px;font-family:var(--fm);font-size:.65rem;font-weight:500;letter-spacing:.06em;border:1px solid}
.pill-py{color:var(--py);border-color:rgba(251,191,36,.2);background:rgba(251,191,36,.06)}
.pill-rp{color:var(--rp);border-color:rgba(18, 110, 249, 0.2);background:rgba(111, 66, 247, 0.06)}
.pill-ml{color:var(--pu);border-color:rgba(167,139,250,.2);background:rgba(167,139,250,.06)}
.pill-st{color:var(--ac);border-color:rgba(88,166,255,.2);background:rgba(88,166,255,.06)}
.pill-cp{color:var(--ac);border-color:rgba(0,217,126,.2);background:rgba(0,217,126,.06)}

/* Terminal */
.term{background:var(--surface);border:1px solid var(--b2);border-radius:10px;overflow:hidden;width:100%;opacity:0;animation:fadeUp .8s ease .45s both}
.tbar{background:var(--s2);padding:.6rem 1rem;display:flex;align-items:center;gap:.5rem;border-bottom:1px solid var(--b)}
.dot{width:10px;height:10px;border-radius:50%}
.dr{background:#ff5f57}.dy{background:#febc2e}.dg{background:#28c840}
.tttl{font-family:var(--fm);font-size:.68rem;color:var(--mut);margin-left:.5rem}
.tbody{padding:1.25rem 1.5rem;font-family:var(--fm);font-size:.95rem;line-height:1.85;overflow-y:auto;height:calc(100% - 40px)}
.tl{display:flex;gap:.6rem;flex-wrap:wrap}
.tp{color:var(--ac);flex-shrink:0}
.tc{color:var(--txt)}
.to{color:var(--mut);padding-left:1.1rem}
.to.hi{color:var(--bl)}
.t-kw{color:var(--pu)}.t-fn{color:var(--ac)}.t-str{color:var(--py)}
.t-cm{color:var(--mut);font-style:italic}.t-num{color:var(--or)}
.tcur{display:inline-block;width:8px;height:1em;background:var(--ac);vertical-align:text-bottom;animation:blink 1s step-end infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:0}}

/* Mini bar chart */
.t-chart{padding:.5rem 0 .25rem 2.5rem;display:flex;flex-direction:column;gap:.28rem;max-width:400px}
.t-bar-row{display:flex;align-items:center;gap:.6rem;font-size:.7rem}
.t-bar-lbl{color:var(--mut);width:4rem;text-align:left;flex-shrink:0}
.t-bar-track{flex:1;height:6px;background:rgba(255,255,255,.06);border-radius:3px;overflow:hidden}
.t-bar-fill{height:100%;border-radius:3px;animation:barGrow .8s cubic-bezier(.16,1,.3,1) both}
@keyframes barGrow{from{width:0}to{width:var(--w)}}
.t-bar-fill.f1{background:var(--ac);--w:92%;animation-delay:.6s}
.t-bar-fill.f2{background:var(--pu);--w:78%;animation-delay:.7s}
.t-bar-fill.f3{background:var(--bl);--w:85%;animation-delay:.8s}
.t-bar-fill.f4{background:var(--py);--w:61%;animation-delay:.9s}
.t-bar-val{color:var(--ac);font-size:.68rem;flex-shrink:0;width:3rem}

/* Stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:2rem;opacity:0;animation:fadeUp .8s ease .55s both;width:100%;}
.snum{font-size:clamp(1.5rem,3vw,2rem);font-weight:800;color:var(--ac);line-height:1;text-align:center}
.slbl{font-family:var(--fm);font-size:.64rem;color:var(--mut);letter-spacing:.08em;margin-top:.3rem;text-align:center}
.sdiv{display:none}

/* ── PAGE HEADERS ── */
.ph{margin-bottom:2.5rem;padding-bottom:2rem}
#page-projects .ph{margin-bottom:1rem}
.pe{font-family:var(--fm);font-size:.7rem;color:var(--ac);letter-spacing:.14em;margin-bottom:.7rem;font-weight: 800;}
.pt{font-size:clamp(2.5rem,6vw,4rem);font-weight:800;letter-spacing:-.02em;line-height:1.1}
.pt span{color:var(--ac)}
.pd{color:var(--mut);margin-top:.7rem;max-width:60ch;font-family:var(--fm);font-weight:400;font-size:1.2rem}
.sbadge{display:inline-flex;align-items:center;gap:.5rem;padding:.32rem .85rem;border:1px solid var(--b2);border-radius:20px;font-family:var(--fm);font-size:.66rem;color:var(--mut);margin-top:.9rem}
.bdot{width:6px;height:6px;border-radius:50%;background:var(--ac);animation:pulse 2s ease infinite}

/* ── EXECUTIVE CARDS ── */
.egrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(225px,1fr));gap:1.1rem}

.ec{
  background:var(--surface);border:1px solid var(--b);border-radius:10px;
  padding:1.7rem;cursor:pointer;position:relative;overflow:hidden;user-select:none;
  transition:border-color .2s,transform .2s,background .2s
}
.ec::after{
  content:'';position:absolute;top:0;left:0;right:0;height:2px;
  background:var(--ac);transform:scaleX(0);transform-origin:left;transition:transform .28s
}
.ec:hover{border-color:rgba(0,217,126,.25);background:var(--s2);transform:translateY(-3px)}
.ec:hover::after{transform:scaleX(1)}

.vh{position:absolute;bottom:.9rem;right:1rem;font-family:var(--fm);font-size:.58rem;color:var(--mut);opacity:0;transition:opacity .2s}
.ec:hover .vh{opacity:1}

.ec.pres{grid-column:span 2;display:flex;gap:1.75rem;align-items:flex-start;border-color:rgba(0,217,126,.2);background:var(--acd)}
.ec.pres::after{transform:scaleX(1)}

.eav{width:52px;height:52px;border-radius:9px;background:var(--s2);border:1px solid var(--b2);display:flex;align-items:center;justify-content:center;font-size:1.25rem;font-weight:800;color:var(--ac);flex-shrink:0;margin-bottom:1rem}
.pres .eav{width:66px;height:66px;font-size:1.65rem;margin-bottom:0}
.erl{font-family:var(--fm);font-size:.63rem;color:var(--ac);letter-spacing:.12em;margin-bottom:.32rem}
.enm{font-size:1.03rem;font-weight:700;margin-bottom:.28rem}
.edp{font-family:var(--fm);font-size:.68rem;color:var(--mut)}
.pres .ei{flex:1}
.ebi{font-size:.85rem;color:var(--mut);margin-top:.55rem;line-height:1.6;max-width:50ch}

/* ── ALUMNI CARDS ── */
.ay{margin-bottom:2.5rem}
.yl{font-family:var(--fm);font-size:.68rem;color:var(--mut);letter-spacing:.12em;margin-bottom:.85rem;display:flex;align-items:center;gap:.7rem}
.yl::after{content:'';flex:1;height:1px;background:var(--b)}
.ar{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:.7rem}

.ac2{display:flex;align-items:center;gap:.85rem;padding:.85rem 1.1rem;border:1px solid var(--b);border-radius:8px;background:var(--surface);cursor:pointer;transition:border-color .2s,background .2s,transform .2s}
.ac2:hover{border-color:var(--b2);background:var(--s2);transform:translateY(-2px)}
.aav{width:34px;height:34px;border-radius:7px;background:var(--s2);border:1px solid var(--b2);display:flex;align-items:center;justify-content:center;font-size:.85rem;font-weight:800;color:var(--bl);flex-shrink:0}
.anm{font-size:.86rem;font-weight:600}
.arl{font-family:var(--fm);font-size:.62rem;color:var(--mut);margin-top:.1rem}

/* ── ACHIEVEMENTS ── */
.tally{display:flex;gap:1.5px;background:var(--b);border:1.5px solid var(--b);border-radius:8px;overflow:hidden;margin-bottom:2.5rem}
.tc2{flex:1;padding:1.4rem 1.1rem;background:var(--surface);text-align:center}
.tn2{font-size:clamp(1.7rem,4vw,2.4rem);font-weight:800;line-height:1}
.tc2:nth-child(1) .tn2{color:#f0b73e}
.tc2:nth-child(2) .tn2{color:#b2bac8}
.tc2:nth-child(3) .tn2{color:var(--bl)}
.tc2:nth-child(4) .tn2{color:var(--ac)}
.tl2{font-family:var(--fm);font-size:.66rem;color:var(--mut);letter-spacing:.1em;margin-top:.4rem}

.agrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.1rem}
.ach{background:var(--surface);border:1px solid var(--b);border-radius:10px;padding:1.7rem;transition:transform .2s}
.ach:hover{transform:translateY(-2px)}
.ach.gold{border-color:rgba(240,183,62,.22);background:rgba(240,183,62,.03)}
.ach.silver{border-color:rgba(178,186,200,.22);background:rgba(178,186,200,.03)}
.ach.blue{border-color:rgba(88,166,255,.22);background:rgba(88,166,255,.03)}
.ai{font-size:1.55rem;margin-bottom:.7rem}
.ayr{font-family:var(--fm);font-size:.64rem;letter-spacing:.1em}
.ach.gold .ayr{color:#f0b73e}
.ach.silver .ayr{color:#b2bac8}
.ach.blue .ayr{color:var(--bl)}
.ach:not(.gold):not(.silver):not(.blue) .ayr{color:var(--ac)}
.atl{font-size:.98rem;font-weight:700;line-height:1.25;margin:.32rem 0}
.aev{font-family:var(--fm);font-size:.68rem;color:var(--mut)}
.amm{margin-top:.85rem;padding-top:.85rem;border-top:1px solid var(--b);font-size:.78rem;color:var(--mut)}
.amm strong{color:var(--txt);font-weight:600}

/* ── EVENTS ── */
.evl{display:flex;flex-direction:column;gap:1px;background:var(--b);border:1px solid var(--b);border-radius:10px;overflow:hidden;margin-bottom:2rem}
.ev{background:var(--surface);padding:1.35rem 1.5rem;display:grid;grid-template-columns:60px 1fr auto;gap:1.4rem;align-items:center;transition:background .18s}
.ev:hover{background:var(--s2)}
.ev-nearest{border-left:3px solid var(--ac);background:var(--acd)!important;}
.ev-nearest:hover{background:rgba(0,217,126,.12)!important;}
.emo{font-family:var(--fm);font-size:.6rem;color:var(--mut);letter-spacing:.1em}
.edy{font-size:1.85rem;font-weight:800;line-height:1;color:var(--ac)}
.et{font-size:.93rem;font-weight:600}
.em{font-family:var(--fm);font-size:.67rem;color:var(--mut);margin-top:.2rem}
.etag{padding:.26rem .68rem;border-radius:4px;font-family:var(--fm);font-size:.61rem;letter-spacing:.05em;white-space:nowrap}
.tup{background:var(--acd);color:var(--ac)}
.two{background:var(--bld);color:var(--bl)}
.tco{background:rgba(240,136,62,.1);color:var(--or)}
.tse{background:rgba(167,139,250,.1);color:var(--pu)}

/* Events — countdown badge */
.ev-countdown{font-family:var(--fm);font-size:.62rem;color:var(--py);background:rgba(251,191,36,.08);border:1px solid rgba(251,191,36,.2);border-radius:4px;padding:.18rem .6rem;white-space:nowrap;}
.ev-countdown.past{color:var(--mut);background:transparent;border-color:var(--b)}

/* Events — action links */
.ev-actions{display:flex;gap:.5rem;align-items:center;flex-wrap:wrap;margin-top:.55rem;}
.ev-action-link{display:inline-flex;align-items:center;gap:.35rem;font-family:var(--fm);font-size:.65rem;padding:.28rem .75rem;border-radius:5px;border:1px solid;transition:background .18s,border-color .18s;white-space:nowrap;text-decoration:none;}
.ev-action-link.register{color:var(--ac);border-color:rgba(0,217,126,.22);}
.ev-action-link.register:hover{background:var(--acd);border-color:rgba(0,217,126,.4);}
.ev-action-link.details{color:var(--bl);border-color:rgba(88,166,255,.22);}
.ev-action-link.details:hover{background:var(--bld);border-color:rgba(88,166,255,.4);}

/* Project links (repo + demo) */
.proj-links{display:flex;gap:.5rem;flex-wrap:wrap;align-items:center;}
.proj-link{display:inline-flex;align-items:center;gap:.35rem;font-family:var(--fm);font-size:.68rem;padding:.3rem .75rem;border-radius:6px;border:1px solid;transition:background .18s,border-color .18s;text-decoration:none;}
.proj-link.repo{background:var(--repo-bg);color:var(--btn-txt);border-color:var(--repo-bg);font-weight:600}
.proj-link.repo:hover{background:var(--btn-txt);color:var(--repo-bg);border-color:var(--repo-bg)}
.proj-link.demo{background:var(--demo-bg);color:var(--btn-txt);border-color:var(--demo-bg);font-weight:600}
.proj-link.demo:hover{background:var(--btn-txt);color:var(--demo-bg);border-color:var(--demo-bg)}

/* Project Toggle - Technical Segmented Control */
.proj-toggle {
  display: inline-flex;
  background: var(--surface);
  border: 1px solid var(--b2);
  border-top: 1px solid var(--b);
  border-radius: 6px;
  padding: 4px;
  gap: 4px;
  align-self: center;
  margin-top: 2rem;
  width: fit-content;
  box-shadow: var(--toggle-shadow);
  position: relative;
}

.proj-toggle::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 6px;
  box-shadow: var(--toggle-inner);
  pointer-events: none;
}

.pt-btn {
  font-family: var(--fm);
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--mut);
  background: transparent;
  border: none;
  padding: 0.5rem 1.2rem;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.pt-btn:hover {
  color: var(--txt);
  background: var(--s2);
}

.pt-btn.active {
  background: var(--ac);
  color: #000;
  box-shadow: 0 0 15px var(--acg);
  transform: translateY(-1px);
}

.pt-btn.active::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(rgba(255,255,255,0.2), transparent);
  pointer-events: none;
}

.proj-panel {
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.proj-panel.active {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

.proj-panel:not(.active) {
  display: none;
  opacity: 0;
  transform: translateY(10px);
}

/* ── ABOUT ── */
.abg{display:grid;grid-template-columns:1fr 1fr;gap:1.1rem;margin-bottom:2.5rem}
.abc{background:var(--surface);border:1px solid var(--b);border-radius:10px;padding:1.9rem}
.abc h3{font-size:.98rem;font-weight:700;margin-bottom:.7rem;display:flex;align-items:center;gap:.6rem}
.abc h3 .tag{font-family:var(--fm);font-size:.6rem;color:var(--ac);letter-spacing:.1em}
.abc p{font-size:.87rem;color:var(--mut);line-height:1.75;font-weight:400}
.abc.wide{grid-column:span 2}

.mtr{display:flex;gap:1.1rem;margin-bottom:2.5rem}
.mtc{flex:1;background:var(--surface);border:1px solid var(--b);border-radius:10px;padding:1.4rem}
.mtd{font-family:var(--fm);font-size:.66rem;color:var(--ac);letter-spacing:.12em;margin-bottom:.45rem}
.mtt{font-size:1.25rem;font-weight:800;letter-spacing:-.02em}
.mtl{font-family:var(--fm);font-size:.68rem;color:var(--mut);margin-top:.38rem}

.jcta{background:var(--acd);border:1px solid rgba(0,217,126,.2);border-radius:12px;padding:2.5rem;display:flex;align-items:center;justify-content:space-between;gap:2rem;flex-wrap:wrap}
.jcta h3{font-size:clamp(1.7rem,4vw,2.4rem);font-weight:800;letter-spacing:-.02em}
.jcta h3 span{color:var(--ac)}
.jcta p{color:var(--mut);margin-top:.5rem;font-size:.88rem;font-weight:400;max-width:45ch}
.bjoin{display:inline-flex;align-items:center;gap:.5rem;padding:.9rem 2rem;background:var(--ac);color:#000;font-weight:700;font-size:.83rem;letter-spacing:.04em;border-radius:6px;white-space:nowrap;cursor:pointer;transition:transform .2s,box-shadow .2s}
.bjoin:hover{transform:translateY(-2px);box-shadow:0 8px 24px var(--acg)}

/* ── MODAL ── */
.ovl{
  position:fixed;inset:0;background:rgba(6,9,16,.85);
  backdrop-filter:blur(8px);z-index:900;
  display:flex;align-items:center;justify-content:center;padding:1.5rem;
  opacity:0;pointer-events:none;transition:opacity .25s
}
.ovl.open{opacity:1;pointer-events:all}

.mdl{
  background:var(--surface);border:1px solid var(--b2);border-radius:16px;
  width:100%;max-width:680px;max-height:90vh;overflow-y:auto;
  position:relative;
  transform:translateY(22px) scale(.97);opacity:0;
  transition:transform .28s cubic-bezier(.16,1,.3,1),opacity .25s
}
.ovl.open .mdl{transform:translateY(0) scale(1);opacity:1}
.mdl::before{content:'';position:sticky;top:0;display:block;height:2px;background:linear-gradient(90deg,var(--ac),var(--pu));z-index:3}

.mclose{
  position:sticky;top:1rem;float:right;margin:1rem 1rem -2rem 0;
  width:30px;height:30px;border-radius:7px;
  background:var(--s2);border:1px solid var(--b);
  color:var(--mut);cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  font-size:.9rem;z-index:2;transition:background .18s,color .18s;flex-shrink:0
}
.mclose:hover{background:var(--b2);color:var(--txt)}

.mbody{padding:2.25rem 2.25rem 2rem}
.mtop{display:flex;gap:1.5rem;align-items:flex-start;margin-bottom:1.75rem}
.mav{
  width:82px;height:82px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  font-size:2.1rem;font-weight:800;color:var(--ac);flex-shrink:0;
  background:linear-gradient(135deg,rgba(0,217,126,.12),rgba(167,139,250,.1));
  border:1px solid rgba(0,217,126,.2)
}
.mrl{font-family:var(--fm);font-size:.65rem;color:var(--ac);letter-spacing:.13em;margin-bottom:.35rem}
.mnm{font-size:1.55rem;font-weight:800;letter-spacing:-.02em;margin-bottom:.4rem}
.mtgs{display:flex;gap:.6rem;flex-wrap:wrap}
.mtg{padding:.24rem .7rem;border:1px solid var(--b2);border-radius:4px;font-family:var(--fm);font-size:.64rem;color:var(--mut)}
.mbi{font-size:.92rem;color:var(--mut);line-height:1.8;margin-bottom:1.6rem;padding-bottom:1.6rem;border-bottom:1px solid var(--b)}
.mso-label{font-family:var(--fm);font-size:.64rem;color:var(--mut);letter-spacing:.1em;margin-bottom:.75rem}
.mso{display:flex;gap:.65rem;flex-wrap:wrap}

.sl{
  display:inline-flex;align-items:center;gap:.5rem;
  padding:.65rem 1.15rem;border:1px solid var(--b2);border-radius:8px;
  font-family:var(--fm);font-size:.72rem;color:var(--mut);cursor:pointer;
  transition:border-color .18s,color .18s,background .18s
}
.sl:hover{background:var(--s2);color:var(--txt)}
.sl.linkedin:hover{border-color:#0a66c2;color:#0a66c2}
.sl.github:hover{border-color:#e6edf3;color:#e6edf3}
.sl.facebook:hover{border-color:#1877f2;color:#1877f2}
.sl.email:hover{border-color:var(--ac);color:var(--ac)}
.sl.codeforces:hover{border-color:var(--bl);color:var(--bl)}

/* ── ANIMATIONS ── */
@keyframes fadeUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}
.rv{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s cubic-bezier(.16,1,.3,1)}
.rv.vis{opacity:1;transform:none}

/* ── RESPONSIVE ── */
@media(max-aspect-ratio: 1000/764){
  .sb{display:none}
  .tn{display:flex}
  .ct{margin-left:0!important;padding-top:var(--nh)}
  .pg{padding:2rem 1.25rem 4rem}
  .ec.pres{grid-column:span 1;flex-direction:column}
  .abg{grid-template-columns:1fr}
  .abc.wide{grid-column:span 1}
  .mtr{flex-direction:column}
  .tally{flex-direction:column}
  .jcta{flex-direction:column}
  .stats { grid-template-columns: repeat(2, 1fr); }
  .ev{
    grid-template-columns: 52px 1fr auto;
    gap: 0.5rem;
  }
}

@media(max-aspect-ratio: 650/764){
  .egrid{grid-template-columns:1fr}
  .proj-grid{grid-template-columns:1fr}
  .hero{
    grid-template-columns:1fr;
    gap:2rem;
    min-height:auto;
    padding:1.5rem 0 2rem;
  }
}

@media (max-aspect-ratio: 250/764) {
  .stats { grid-template-columns: 1fr; }
}

/* ── PROJECTS ── */
.proj-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.1rem;
}

.proj-card {
  background: var(--surface);
  border: 1px solid var(--b);
  border-radius: 12px;
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: .75rem;
  transition: border-color .2s, transform .2s, background .2s;
  position: relative;
  overflow: hidden;
}

.proj-card::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--accent, var(--ac));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .28s ease;
}

.proj-card:hover {
  border-color: var(--border-2, var(--b2));
  background: var(--s2);
  transform: translateY(-3px);
}

.proj-card:hover::after { transform: scaleX(1); }

.proj-status {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-family: var(--fm);
  font-size: .62rem;
  letter-spacing: .1em;
  padding: .22rem .7rem;
  border-radius: 20px;
  width: fit-content;
}

.proj-status.active     { background: var(--acd); color: var(--ac);  border: 1px solid rgba(0,217,126,.2); }
.proj-status.completed  { background: var(--bld); color: var(--bl);  border: 1px solid rgba(88,166,255,.2); }
.proj-status.research   { background: var(--pud, rgba(167,139,250,.1)); color: var(--pu); border: 1px solid rgba(167,139,250,.2); }

.proj-status-dot {
  width: 5px; height: 5px; border-radius: 50%;
  background: currentColor;
}
.proj-status.active .proj-status-dot { animation: pulse 2s ease infinite; }

.proj-title {
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.25;
}

.proj-desc {
  font-size: .88rem;
  color: var(--mut);
  line-height: 1.7;
  font-weight: 400;
  flex: 1;
}

.proj-tags {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
}

.proj-tag {
  font-family: var(--fm);
  font-size: .62rem;
  font-weight: 400;
  padding: .2rem .6rem;
  border-radius: 4px;
  background: var(--s2);
  border: 1px solid var(--b2);
  color: var(--txt);
}

.proj-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: .5rem;
  padding-top: .85rem;
  border-top: 1px solid var(--b);
  margin-top: auto;
}

.proj-members {
  font-family: var(--fm);
  font-size: .75rem;
  font-weight: 700;
  color: var(--mut);
}

/* ── Terminal Typing Animation ── */
.t-line, .tl { display: block; margin-bottom: 2px; white-space: pre-wrap; padding-left: 2em; text-indent: -2em; }
.t-cmd { color: var(--txt); }
.t-out { color: var(--mut); }
.t-prompt { color: var(--ac); font-weight: bold; }
.t-blink { width: 8px; height: 1em; background: var(--ac); vertical-align: text-bottom; animation: blink 1s step-end infinite; }

.theme-switch {
  width: 44px;
  height: 24px;
  background: var(--b2);
  border-radius: 12px;
  position: relative;
  cursor: pointer;
  transition: background var(--ease);
  flex-shrink: 0;
}
.switch-thumb {
  position: absolute;
  width: 20px;
  height: 20px;
  background: #ffffff;
  border-radius: 50%;
  top: 2px;
  left: 2px;
  transition: transform var(--ease), background var(--ease);
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.switch-thumb svg {
  width: 10px;
  height: 10px;
  color: var(--bg);
  stroke-width: 3px;
  transition: color var(--ease);
}
[data-theme="light"] .switch-thumb svg {
  color: var(--txt);
}
[data-theme="light"] .theme-switch {
  background: var(--acd);
}
[data-theme="light"] .switch-thumb {
  transform: translateX(20px);
  background: #ffffff;
}