/* ═══════════ 1. TOKENS ═══════════ */
:root{
  --bg:#05070d; --bg-elev:#080d17;
  --panel:rgba(255,255,255,.028); --panel-2:rgba(255,255,255,.05);
  --line:rgba(125,165,235,.14); --line-strong:rgba(125,165,235,.28);
  --text:#e7eef9; --text-2:#a3b0c6; --text-3:#6f7d95;
  --cyan:#22d3ee; --blue:#4b8cf7; --violet:#a06bf5; --green:#3ddc97; --amber:#f6c667;
  --glow:0 0 0 1px rgba(34,211,238,.18), 0 18px 50px -18px rgba(34,211,238,.35);
  --shadow:0 24px 60px -30px rgba(0,0,0,.9);
  --radius:16px; --maxw:1180px; --nav-h:70px;
  --grid-line:rgba(125,165,235,.055);
  --ff-display:"Manrope",system-ui,-apple-system,"Segoe UI",sans-serif;
  --ff-body:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
  --ff-mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --ease:cubic-bezier(.22,.68,.31,1);
}
[data-theme="light"]{
  --bg:#f3f6fb; --bg-elev:#fff;
  --panel:rgba(12,26,52,.028); --panel-2:rgba(12,26,52,.05);
  --line:rgba(20,45,90,.13); --line-strong:rgba(20,45,90,.26);
  --text:#0d1626; --text-2:#42536e; --text-3:#6c7c96;
  --cyan:#0a84a4; --blue:#2563eb; --violet:#7c3aed; --green:#0f9d63; --amber:#b47b0a;
  --glow:0 0 0 1px rgba(37,99,235,.16), 0 18px 44px -22px rgba(37,99,235,.35);
  --shadow:0 20px 50px -30px rgba(15,35,70,.45);
  --grid-line:rgba(20,45,90,.05);
}

/* ═══════════ 2. BASE ═══════════ */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--ff-body);font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}
body::before{content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background-image:linear-gradient(var(--grid-line) 1px,transparent 1px),linear-gradient(90deg,var(--grid-line) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(ellipse 90% 65% at 50% 0%,#000 30%,transparent 78%);
  mask-image:radial-gradient(ellipse 90% 65% at 50% 0%,#000 30%,transparent 78%)}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{font-family:var(--ff-display);font-weight:700;line-height:1.14;letter-spacing:-.022em;margin:0}
p{margin:0} ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}
::selection{background:rgba(34,211,238,.28)}
.wrap{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:22px;position:relative;z-index:1}
.section{padding:104px 0;position:relative}
.section + .section{padding-top:0}
main > .section:last-of-type{padding-bottom:104px}
section[id],#education{scroll-margin-top:calc(var(--nav-h) + 16px)}
#education{min-height:56vh;display:flex;flex-direction:column;justify-content:center}
.skip{position:absolute;left:-9999px;top:0;background:var(--bg-elev);padding:12px 18px;border-radius:8px;z-index:200}
.skip:focus{left:14px;top:14px}

/* ═══════════ 3. SHARED ═══════════ */
.path{font-family:var(--ff-mono);font-size:.78rem;color:var(--cyan);margin-bottom:14px;display:flex;align-items:center;gap:8px}
.path::before{content:"";width:22px;height:1px;background:linear-gradient(90deg,var(--cyan),transparent)}
.sec-head{margin-bottom:44px;max-width:660px}
.sec-head h2{font-size:clamp(1.75rem,4.2vw,2.6rem)}
.sec-head p{color:var(--text-2);margin-top:12px;font-size:1.02rem;max-width:58ch}
.card{background:linear-gradient(180deg,var(--panel-2),var(--panel));border:1px solid var(--line);border-radius:var(--radius);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
.chip{display:inline-flex;align-items:center;gap:6px;font-family:var(--ff-mono);font-size:.72rem;padding:5px 10px;border-radius:7px;color:var(--text-2);background:var(--panel-2);border:1px solid var(--line);white-space:nowrap}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:12px 22px;border-radius:11px;font-weight:600;font-size:.94rem;border:1px solid transparent;cursor:pointer;background:none;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s,border-color .22s,color .22s}
.btn svg{width:17px;height:17px;flex:none}
.btn-primary{background:linear-gradient(135deg,var(--cyan),var(--blue) 58%,var(--violet));color:#04121c;box-shadow:0 12px 34px -14px rgba(34,211,238,.7)}
[data-theme="light"] .btn-primary{color:#fff}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 42px -14px rgba(34,211,238,.9)}
.btn-ghost{border-color:var(--line-strong);background:var(--panel-2);color:var(--text)}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan);transform:translateY(-2px)}
.btn-quiet{color:var(--text-2);padding:12px 16px}
.btn-quiet:hover{color:var(--cyan)}
.status{display:inline-flex;align-items:center;gap:9px;padding:7px 15px 7px 12px;border-radius:999px;border:1px solid var(--line-strong);background:var(--panel-2);font-size:.83rem;color:var(--text-2);font-family:var(--ff-mono)}
.dot{width:7px;height:7px;border-radius:50%;background:var(--green);position:relative;flex:none}
.dot::after{content:"";position:absolute;inset:-4px;border-radius:50%;border:1px solid var(--green);opacity:.55;animation:ping 2.4s var(--ease) infinite}
@keyframes ping{0%{transform:scale(.6);opacity:.7}70%,100%{transform:scale(1.5);opacity:0}}
.rv{opacity:0;transform:translateY(18px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.rv.in{opacity:1;transform:none}

/* ═══════════ 4. NAV ═══════════ */
.nav{position:fixed;top:0;left:0;right:0;height:var(--nav-h);z-index:90;display:flex;align-items:center;border-bottom:1px solid transparent;transition:background .3s var(--ease),border-color .3s,backdrop-filter .3s}
.nav.stuck{background:rgba(5,7,13,.72);backdrop-filter:blur(16px) saturate(150%);-webkit-backdrop-filter:blur(16px) saturate(150%);border-bottom-color:var(--line)}
[data-theme="light"] .nav.stuck{background:rgba(243,246,251,.78)}
.nav .wrap{display:flex;align-items:center;gap:20px}
.brand{display:flex;align-items:center;gap:11px;font-family:var(--ff-display);font-weight:800;letter-spacing:-.02em;margin-right:auto}
.brand-mark{width:34px;height:34px;border-radius:9px;flex:none;display:grid;place-items:center;background:linear-gradient(140deg,rgba(34,211,238,.2),rgba(160,107,245,.2));border:1px solid var(--line-strong)}
.brand-mark svg{width:20px;height:20px}
.brand small{display:block;font-family:var(--ff-mono);font-size:.63rem;color:var(--text-3);font-weight:500;letter-spacing:.04em;margin-top:-3px}
.nav-links{display:flex;align-items:center;gap:2px}
.nav-links a{padding:8px 13px;border-radius:9px;font-size:.88rem;color:var(--text-2);font-weight:500;transition:color .2s,background .2s}
.nav-links a:hover{color:var(--text)}
.nav-links a.active{color:var(--cyan);background:rgba(34,211,238,.08)}
.nav-drop{position:relative}
.nav-drop-btn{display:flex;align-items:center;gap:5px;padding:8px 13px;border-radius:9px;font-size:.88rem;color:var(--text-2);font-weight:500;font-family:var(--ff-body);background:none;border:0;cursor:pointer;transition:color .2s,background .2s}
.nav-drop-btn:hover{color:var(--text)}
.nav-drop-btn.active{color:var(--cyan);background:rgba(34,211,238,.08)}
.nav-drop-btn svg{width:13px;height:13px;transition:transform .2s var(--ease)}
.nav-drop.open .nav-drop-btn svg{transform:rotate(180deg)}
.nav-drop-menu{position:absolute;top:calc(100% + 8px);left:50%;transform:translateX(-50%) translateY(-6px);min-width:180px;
  background:var(--bg-elev);border:1px solid var(--line-strong);border-radius:12px;padding:6px;box-shadow:var(--shadow);
  opacity:0;pointer-events:none;transition:opacity .18s var(--ease),transform .18s var(--ease);z-index:95}
.nav-drop.open .nav-drop-menu{opacity:1;pointer-events:auto;transform:translateX(-50%) translateY(0)}
.nav-drop-menu a{display:block;padding:9px 12px;border-radius:8px;font-size:.86rem;color:var(--text-2);font-weight:500}
.nav-drop-menu a:hover{color:var(--text);background:var(--panel-2)}
.nav-drop-menu a.active{color:var(--cyan);background:rgba(34,211,238,.08)}
.nav-actions{display:flex;align-items:center;gap:10px}
.icon-btn{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;flex:none;border:1px solid var(--line);background:var(--panel-2);cursor:pointer;color:var(--text-2);transition:color .2s,border-color .2s,transform .2s}
.icon-btn:hover{color:var(--cyan);border-color:var(--cyan);transform:translateY(-1px)}
.icon-btn svg{width:18px;height:18px}
.nav-cta{padding:9px 17px;font-size:.86rem}
.burger{display:none}
.progress{position:absolute;left:0;bottom:-1px;height:2px;width:0;background:linear-gradient(90deg,var(--cyan),var(--violet));transition:width .1s linear}
.drawer{position:fixed;inset:var(--nav-h) 0 0;z-index:89;background:var(--bg);padding:26px 22px 40px;display:flex;flex-direction:column;gap:6px;overflow-y:auto;
  transform:translateY(-12px);opacity:0;pointer-events:none;transition:opacity .28s var(--ease),transform .28s var(--ease)}
.drawer.open{opacity:1;transform:none;pointer-events:auto}
.drawer a{padding:14px 4px;border-bottom:1px solid var(--line);font-size:1.06rem;font-family:var(--ff-display);font-weight:600;display:flex;justify-content:space-between;align-items:center}
.drawer a span{font-family:var(--ff-mono);font-size:.72rem;color:var(--text-3)}
.drawer .btn{margin-top:22px;border-bottom:0;justify-content:center}

/* ═══════════ 5. HERO ═══════════ */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;padding:calc(var(--nav-h) + 56px) 0 72px;overflow:hidden}
#net{position:absolute;inset:0;width:100%;height:100%;z-index:0;opacity:.95}
.hero::after{content:"";position:absolute;inset:0;z-index:0;pointer-events:none;
  background:radial-gradient(680px 380px at 78% 22%,rgba(160,107,245,.16),transparent 70%),
             radial-gradient(720px 420px at 14% 78%,rgba(34,211,238,.14),transparent 70%),
             linear-gradient(180deg,transparent 55%,var(--bg) 100%)}
.hero-glow{position:absolute;border-radius:50%;filter:blur(64px);pointer-events:none;z-index:1;will-change:transform}
.hero-glow.g1{width:380px;height:380px;background:radial-gradient(circle,rgba(34,211,238,.32),transparent 72%);top:-60px;right:6%;animation:float-glow-a 13s ease-in-out infinite}
.hero-glow.g2{width:320px;height:320px;background:radial-gradient(circle,rgba(160,107,245,.28),transparent 72%);bottom:-40px;left:2%;animation:float-glow-b 16s ease-in-out infinite}
.hero-glow.g3{width:220px;height:220px;background:radial-gradient(circle,rgba(52,220,151,.22),transparent 72%);top:38%;left:38%;animation:float-glow-a 19s ease-in-out infinite reverse}
@keyframes float-glow-a{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(-34px,26px) scale(1.12)}}
@keyframes float-glow-b{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(28px,-22px) scale(1.08)}}
.hero .wrap{z-index:2}
.hero-grid{display:grid;grid-template-columns:1.35fr .85fr;gap:56px;align-items:center}
.hello{font-family:var(--ff-mono);font-size:.85rem;color:var(--text-2);margin:20px 0 10px}
.hero h1{font-size:clamp(2.35rem,6.6vw,4.05rem);font-weight:800;letter-spacing:-.035em}
.role{font-family:var(--ff-display);font-weight:600;font-size:clamp(1.08rem,2.9vw,1.55rem);margin-top:12px;min-height:1.6em;
  background:linear-gradient(100deg,var(--cyan),var(--blue) 45%,var(--violet));-webkit-background-clip:text;background-clip:text;color:transparent}
.caret{display:inline-block;width:2px;height:1.05em;background:var(--cyan);vertical-align:-.14em;margin-left:3px;animation:blink 1.05s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.hero-intro{color:var(--text-2);max-width:52ch;margin-top:18px;font-size:1.05rem}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.socials{display:flex;gap:10px;margin-top:28px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px;align-items:center}
.hero-meta .chip{background:transparent}
.portrait{position:relative;justify-self:center;width:min(330px,78vw)}
.portrait-frame{position:relative;aspect-ratio:1;border-radius:26px;overflow:hidden;border:1px solid var(--line-strong);
  background:linear-gradient(160deg,rgba(34,211,238,.12),rgba(160,107,245,.1));box-shadow:var(--glow),var(--shadow)}
.portrait-frame img{width:100%;height:100%;object-fit:cover}
.initials{width:100%;height:100%;display:grid;place-items:center;font-family:var(--ff-display);font-weight:800;font-size:5.2rem;letter-spacing:-.05em;
  background:radial-gradient(120% 120% at 30% 15%,rgba(34,211,238,.22),transparent 60%)}
.portrait-corner{position:absolute;width:26px;height:26px;border:2px solid var(--cyan);opacity:.7;z-index:3}
.pc-tl{top:-7px;left:-7px;border-right:0;border-bottom:0;border-radius:8px 0 0 0}
.pc-br{bottom:-7px;right:-7px;border-left:0;border-top:0;border-radius:0 0 8px 0}
.portrait-tag{position:absolute;bottom:-16px;left:50%;transform:translateX(-50%);font-family:var(--ff-mono);font-size:.7rem;padding:7px 13px;border-radius:9px;white-space:nowrap;z-index:6;
  background:var(--bg-elev);border:1px solid var(--line-strong);color:var(--text-2)}
.floaty{position:absolute;font-family:var(--ff-mono);font-size:.68rem;color:var(--text-3);opacity:.75;white-space:nowrap}
.f1{top:6%;right:-8%}
.f2{bottom:18%;left:-14%}
.portrait::before{content:"";position:absolute;inset:-16px;z-index:0;border-radius:34px;
  background:conic-gradient(from 0deg,var(--cyan),var(--violet),var(--blue),var(--cyan));
  filter:blur(24px);opacity:.5;animation:portraitSpin 7s linear infinite}
@keyframes portraitSpin{to{transform:rotate(360deg)}}
.portrait-frame{z-index:1}
.scan-line{position:absolute;left:0;right:0;height:2px;z-index:4;pointer-events:none;top:-4%;
  background:linear-gradient(90deg,transparent,var(--cyan) 20%,#fff 50%,var(--cyan) 80%,transparent);
  box-shadow:0 0 14px 2px rgba(34,211,238,.85);opacity:0;
  animation:scanSweep 3.8s ease-in-out infinite}
@keyframes scanSweep{
  0%{top:-4%;opacity:0}
  8%{opacity:1}
  46%{opacity:1}
  55%{top:103%;opacity:0}
  100%{top:103%;opacity:0}
}
.p-dot{position:absolute;width:5px;height:5px;border-radius:50%;background:var(--cyan);z-index:3;pointer-events:none;
  box-shadow:0 0 9px 2px rgba(34,211,238,.8);animation:dotFloat 4.5s ease-in-out infinite}
.p-dot.v{background:var(--violet);box-shadow:0 0 9px 2px rgba(160,107,245,.8)}
@keyframes dotFloat{
  0%,100%{transform:translateY(0) scale(1);opacity:.3}
  50%{transform:translateY(-14px) scale(1.35);opacity:1}
}
.portrait-corner{animation:cornerPulse 2.4s ease-in-out infinite}
@keyframes cornerPulse{
  0%,100%{opacity:.5;box-shadow:0 0 0 rgba(34,211,238,0)}
  50%{opacity:1;box-shadow:0 0 10px 1px rgba(34,211,238,.65)}
}
.scroll-hint{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);z-index:2;font-family:var(--ff-mono);font-size:.68rem;color:var(--text-3);display:flex;flex-direction:column;align-items:center;gap:8px}
.scroll-hint i{display:block;width:1px;height:34px;background:linear-gradient(180deg,var(--cyan),transparent);animation:drop 2.1s var(--ease) infinite}
@keyframes drop{0%{transform:scaleY(.2);transform-origin:top}55%{transform:scaleY(1);transform-origin:top}56%{transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* ═══════════ 6. ABOUT ═══════════ */
.about-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;align-items:start}
.term{border-radius:14px;border:1px solid var(--line);overflow:hidden;background:linear-gradient(180deg,#0a1120,#070c17);box-shadow:var(--shadow)}
.term-bar{display:flex;align-items:center;gap:7px;padding:11px 14px;border-bottom:1px solid rgba(125,165,235,.14);background:rgba(255,255,255,.03)}
.term-bar i{width:10px;height:10px;border-radius:50%;background:#3a4459}
.term-bar i:nth-child(1){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(--ff-mono);font-size:.7rem;color:#7c8aa3}
.term-body{padding:16px 15px 19px;font-family:var(--ff-mono);font-size:.79rem;line-height:1.95;color:#c7d3e6}
.term-body .c{color:#22d3ee}
.term-body .o{color:#93a4bd;display:block;padding-left:14px;border-left:1px solid rgba(125,165,235,.2);margin:1px 0 9px}
.about-body{color:var(--text-2);font-size:1.03rem}
.about-body p + p{margin-top:16px}
.highlights{display:grid;gap:11px;margin-top:24px}
.highlights li{display:flex;gap:12px;align-items:flex-start;color:var(--text-2);font-size:.96rem}
.highlights svg{width:17px;height:17px;flex:none;margin-top:4px;color:var(--cyan)}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:52px}
.stat{padding:22px 20px;position:relative;overflow:hidden}
.stat b{display:block;font-family:var(--ff-display);font-size:2.1rem;font-weight:800;letter-spacing:-.03em;
  background:linear-gradient(140deg,var(--cyan),var(--violet));-webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{font-size:.85rem;color:var(--text-3);display:block;margin-top:2px}
.stat::after{content:"";position:absolute;top:0;left:20px;right:20px;height:1px;background:linear-gradient(90deg,transparent,var(--cyan),transparent);opacity:.5}

/* ═══════════ 7. SKILLS ═══════════ */
.tabs{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:28px}
.tab{padding:9px 16px;border-radius:10px;border:1px solid var(--line);background:var(--panel);font-size:.87rem;color:var(--text-2);cursor:pointer;font-weight:500;transition:color .2s,border-color .2s,background .2s}
.tab:hover{color:var(--text)}
.tab[aria-selected="true"]{color:var(--cyan);border-color:rgba(34,211,238,.45);background:rgba(34,211,238,.09)}
.tab i{font-style:normal;font-family:var(--ff-mono);font-size:.72rem;color:var(--text-3);margin-left:6px}
.skill-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(228px,1fr));gap:14px}
.skill{padding:16px 17px;display:flex;flex-direction:column;gap:11px;transition:border-color .25s var(--ease),transform .25s var(--ease)}
.skill:hover{border-color:var(--line-strong);transform:translateY(-3px)}
.skill-top{display:flex;align-items:center;gap:11px}
.skill-ico{width:32px;height:32px;border-radius:9px;display:grid;place-items:center;flex:none;background:var(--panel-2);border:1px solid var(--line);color:var(--cyan)}
.skill-ico svg{width:16px;height:16px}
.skill-name{font-family:var(--ff-display);font-weight:600;font-size:.97rem;color:var(--text)}
.skill-cat{font-family:var(--ff-mono);font-size:.68rem;color:var(--text-3)}
.level{display:flex;align-items:center;gap:9px}
.bars{display:flex;gap:4px}
.bars i{width:16px;height:4px;border-radius:2px;background:var(--panel-2);border:1px solid var(--line)}
.bars i.on{background:linear-gradient(90deg,var(--cyan),var(--violet));border-color:transparent}
.level span{font-family:var(--ff-mono);font-size:.7rem;color:var(--text-3)}

/* ═══════════ 8. EXPERIENCE ═══════════ */
.timeline{position:relative;padding-left:30px}
.timeline::before{content:"";position:absolute;left:7px;top:8px;bottom:8px;width:1px;background:linear-gradient(180deg,var(--cyan),var(--violet),transparent)}
.tl-item{position:relative;margin-bottom:16px}
.tl-item::before{content:"";position:absolute;left:-27px;top:26px;width:11px;height:11px;border-radius:50%;background:var(--bg);border:2px solid var(--cyan);box-shadow:0 0 0 4px rgba(34,211,238,.12)}
.exp{overflow:hidden}
.exp-head{width:100%;text-align:left;background:none;border:0;cursor:pointer;padding:20px;display:grid;grid-template-columns:1fr auto;gap:14px;align-items:start}
.exp-role{font-family:var(--ff-display);font-weight:700;font-size:1.1rem;display:block}
.exp-co{color:var(--cyan);font-size:.94rem;margin-top:3px;font-weight:500;display:block}
.exp-meta{display:flex;flex-wrap:wrap;gap:8px 16px;margin-top:9px;font-size:.82rem;color:var(--text-3);font-family:var(--ff-mono)}
.exp-meta > span{display:inline-flex;align-items:center;gap:6px}
.exp-meta svg{width:13px;height:13px;opacity:.75}
.exp-toggle{width:32px;height:32px;border-radius:9px;border:1px solid var(--line);display:grid;place-items:center;color:var(--text-2);flex:none;transition:transform .3s var(--ease),color .2s,border-color .2s}
.exp-head:hover .exp-toggle{color:var(--cyan);border-color:var(--cyan)}
.exp.open .exp-toggle{transform:rotate(45deg);color:var(--cyan);border-color:var(--cyan)}
.exp-panel{display:grid;grid-template-rows:0fr;transition:grid-template-rows .38s var(--ease)}
.exp.open .exp-panel{grid-template-rows:1fr}
.exp-panel > div{overflow:hidden}
.exp-inner{padding:18px 20px 22px;border-top:1px solid var(--line)}
.exp-block + .exp-block{margin-top:20px}
.exp-block h4{font-size:.78rem;font-family:var(--ff-mono);color:var(--text-3);font-weight:500;margin-bottom:9px}
.exp-block li{display:flex;gap:10px;color:var(--text-2);font-size:.94rem;padding:3px 0}
.exp-block li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--line-strong);margin-top:9px;flex:none}
.exp-block.win li::before{background:var(--green)}
.tags{display:flex;flex-wrap:wrap;gap:7px}
.exp-summary{color:var(--text-2);font-size:.95rem;margin-top:12px;grid-column:1/-1;display:block}

/* ═══════════ 9. PROJECTS ═══════════ */
.proj-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:18px}
.proj{display:flex;flex-direction:column;overflow:hidden;position:relative;transition:transform .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease)}
.proj:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--shadow)}
.proj-vis{aspect-ratio:16/8.6;position:relative;overflow:hidden;border-bottom:1px solid var(--line);background:radial-gradient(120% 120% at 20% 0%,rgba(34,211,238,.16),transparent 62%),#070c16}
.proj-vis img,.proj-vis svg,.proj-vis canvas{width:100%;height:100%;object-fit:cover;display:block}
.proj-vis .pv-tag{position:absolute;left:13px;bottom:11px;font-family:var(--ff-mono);font-size:.66rem;color:#8fa0ba;z-index:1;text-shadow:0 1px 6px rgba(0,0,0,.9),0 0 3px rgba(0,0,0,.9)}
.proj-vis::after{content:"";position:absolute;inset:0;opacity:0;transition:opacity .35s var(--ease);background:linear-gradient(120deg,transparent 30%,rgba(34,211,238,.13),transparent 72%)}
.proj:hover .proj-vis::after{opacity:1}
.proj-body{padding:19px 19px 20px;display:flex;flex-direction:column;gap:12px;flex:1}
.proj-top{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}
.proj-top h3{font-size:1.08rem}
.badge{font-family:var(--ff-mono);font-size:.66rem;padding:4px 9px;border-radius:6px;white-space:nowrap;border:1px solid;flex:none}
.badge.live{color:var(--green);border-color:rgba(61,220,151,.35);background:rgba(61,220,151,.09)}
.badge.progress{color:var(--amber);border-color:rgba(246,198,103,.35);background:rgba(246,198,103,.09)}
.badge.done{color:var(--text-2);border-color:var(--line-strong);background:var(--panel-2)}
.proj p{color:var(--text-2);font-size:.93rem}
.proj-foot{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:auto;padding-top:6px}
.proj-role{font-family:var(--ff-mono);font-size:.71rem;color:var(--text-3)}
.proj-links{display:flex;gap:7px}
.proj-links a{width:32px;height:32px;border-radius:8px;border:1px solid var(--line);display:grid;place-items:center;color:var(--text-2);transition:color .2s,border-color .2s}
.proj-links a:hover{color:var(--cyan);border-color:var(--cyan)}
.proj-links svg{width:15px;height:15px}
.empty{color:var(--text-3);font-family:var(--ff-mono);font-size:.85rem;padding:30px 0}

/* ── github repos (auto-synced) ── */
.gh-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px}
.gh-repo{padding:17px 18px;display:flex;flex-direction:column;gap:9px;transition:transform .25s var(--ease),border-color .25s var(--ease)}
.gh-repo:hover{transform:translateY(-3px);border-color:var(--line-strong)}
.gh-repo-top{display:flex;justify-content:space-between;align-items:flex-start;gap:10px}
.gh-repo-top h3{font-size:.98rem;font-family:var(--ff-mono);word-break:break-word}
.gh-repo-top a{color:var(--text-2);flex:none;width:30px;height:30px;border-radius:8px;border:1px solid var(--line);display:grid;place-items:center;transition:color .2s,border-color .2s}
.gh-repo-top a:hover{color:var(--cyan);border-color:var(--cyan)}
.gh-repo-top svg{width:14px;height:14px}
.gh-repo p{color:var(--text-2);font-size:.86rem;flex:1}
.gh-repo-meta{display:flex;flex-wrap:wrap;gap:10px;font-family:var(--ff-mono);font-size:.7rem;color:var(--text-3);margin-top:auto;padding-top:6px}
.gh-repo-meta span{display:inline-flex;align-items:center;gap:4px}
.gh-repo-meta svg{width:12px;height:12px}
.gh-note{color:var(--text-3);font-family:var(--ff-mono);font-size:.76rem;margin-top:16px}

/* ═══════════ 10. CERT + EDU ═══════════ */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:start}
.cert-list{display:grid;gap:12px}
.cert{padding:17px 18px;display:grid;grid-template-columns:auto 1fr auto;gap:14px;align-items:center;transition:border-color .25s,transform .25s}
.cert:hover{border-color:var(--line-strong);transform:translateX(3px)}
.cert-seal{width:42px;height:42px;border-radius:11px;display:grid;place-items:center;flex:none;color:var(--cyan);background:linear-gradient(140deg,rgba(34,211,238,.16),rgba(160,107,245,.14));border:1px solid var(--line-strong)}
.cert-seal svg{width:20px;height:20px}
.cert h3{font-size:.99rem}
.cert-sub{font-size:.85rem;color:var(--text-2);margin-top:2px}
.cert-id{font-family:var(--ff-mono);font-size:.69rem;color:var(--text-3);margin-top:5px}
.cert-verify{font-size:.78rem;color:var(--cyan);display:inline-flex;align-items:center;gap:5px;white-space:nowrap;border:1px solid rgba(34,211,238,.3);padding:6px 11px;border-radius:8px;transition:background .2s}
.cert-verify:hover{background:rgba(34,211,238,.1)}
.cert-verify svg{width:13px;height:13px}
.edu{padding:20px}
.edu h3{font-size:1.03rem}
.edu-sub{color:var(--cyan);font-size:.9rem;margin-top:3px}
.edu-meta{font-family:var(--ff-mono);font-size:.76rem;color:var(--text-3);margin-top:8px;display:flex;flex-wrap:wrap;gap:6px 14px}
.edu-extra{margin-top:14px;padding-top:13px;border-top:1px solid var(--line)}
.edu-note{color:var(--text-2);font-size:.9rem}

/* ═══════════ 11. ENVIRONMENT ═══════════ */
.env-panel{padding:0;overflow:hidden}
.env-bar{display:flex;align-items:center;gap:10px;padding:13px 18px;border-bottom:1px solid var(--line);font-family:var(--ff-mono);font-size:.74rem;color:var(--text-3);flex-wrap:wrap}
.env-bar b{color:var(--text-2);font-weight:500}
.env-bar .sp{margin-left:auto}
.env-stage{display:grid;grid-template-columns:1fr 300px;min-height:330px}
.diagram{padding:22px 18px;position:relative}
.diagram svg{width:100%;height:auto;display:block}
.diagram-hint{display:none}
.node{cursor:pointer}
.node rect{fill:var(--panel-2);stroke:var(--line-strong);stroke-width:1;transition:stroke .25s,fill .25s}
.node text{font-family:var(--ff-mono);font-size:10.5px;fill:var(--text-3)}
.node .nlabel{font-family:var(--ff-display);font-size:12.5px;font-weight:600;fill:var(--text);transition:fill .25s}
.node:hover rect,.node.sel rect{stroke:var(--cyan);fill:rgba(34,211,238,.1)}
.node:hover .nlabel,.node.sel .nlabel{fill:var(--cyan)}
.link{stroke:var(--line-strong);stroke-width:1.4;fill:none;transition:stroke .25s}
.link.hot{stroke:var(--cyan)}
.packet{fill:var(--cyan)}
.node-chips{display:flex;flex-wrap:wrap;gap:8px;padding:0 18px 18px}
.node-chip{cursor:pointer;transition:color .2s,border-color .2s}
.node-chip:hover,.node-chip.sel{color:var(--cyan);border-color:var(--cyan)}
.env-info{border-left:1px solid var(--line);padding:22px 20px;background:var(--panel);display:flex;flex-direction:column;gap:12px}
.env-info h3{font-size:1.05rem}
.env-info .kind{font-family:var(--ff-mono);font-size:.7rem;color:var(--cyan)}
.env-info p{color:var(--text-2);font-size:.92rem}
.env-specs{display:grid;gap:2px;margin-top:2px}
.env-specs li{display:flex;justify-content:space-between;gap:12px;font-size:.83rem;padding:7px 0;border-bottom:1px dashed var(--line)}
.env-specs span:first-child{color:var(--text-3);font-family:var(--ff-mono);font-size:.75rem}
.env-specs span:last-child{color:var(--text-2);text-align:right}
.stacks{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:16px}
.stack{padding:18px 18px 20px}
.stack h4{font-family:var(--ff-mono);font-size:.72rem;color:var(--cyan);font-weight:500;margin-bottom:13px}
.stack li{font-size:.89rem;color:var(--text-2);padding:6px 0;display:flex;align-items:center;gap:9px;border-top:1px solid var(--line)}
.stack li:first-child{border-top:0}
.stack li::before{content:"";width:4px;height:4px;border-radius:1px;background:var(--violet);flex:none}

/* ═══════════ 12. JOURNEY ═══════════ */
.journey{display:grid;grid-template-columns:repeat(auto-fit,minmax(155px,1fr));margin-top:8px}
.jr{padding:26px 16px 22px;border-top:1px solid var(--line);position:relative;transition:background .3s}
.jr::before{content:"";position:absolute;top:-4px;left:0;width:7px;height:7px;border-radius:50%;background:var(--line-strong);transition:background .3s,box-shadow .3s}
.jr:hover{background:var(--panel)}
.jr:hover::before,.jr.now::before{background:var(--cyan);box-shadow:0 0 0 4px rgba(34,211,238,.14)}
.jr b{font-family:var(--ff-mono);font-size:.9rem;color:var(--cyan);display:block}
.jr h3{font-size:.98rem;margin-top:9px}
.jr p{font-size:.85rem;color:var(--text-3);margin-top:6px}

/* ═══════════ 13. RESUME ═══════════ */
.resume{display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center;padding:38px 36px;position:relative;overflow:hidden}
.resume::before{content:"";position:absolute;inset:0;
  background:radial-gradient(560px 260px at 88% 12%,rgba(160,107,245,.16),transparent 70%),radial-gradient(520px 240px at 6% 90%,rgba(34,211,238,.14),transparent 70%)}
.resume > *{position:relative}
.resume h2{font-size:clamp(1.4rem,3.4vw,1.9rem)}
.resume p{color:var(--text-2);margin-top:11px;max-width:48ch}
.resume-actions{display:flex;flex-direction:column;gap:11px;min-width:210px}
.resume-file{font-family:var(--ff-mono);font-size:.7rem;color:var(--text-3);text-align:center}

/* ═══════════ 14. CONTACT ═══════════ */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:44px;align-items:start}
.contact-list{display:grid;gap:11px;margin-top:26px}
.cl{padding:15px 17px;display:flex;align-items:center;gap:14px;transition:border-color .25s,transform .25s}
.cl:hover{border-color:var(--line-strong);transform:translateX(3px)}
.cl-ico{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;flex:none;border:1px solid var(--line);background:var(--panel-2);color:var(--cyan)}
.cl-ico svg{width:17px;height:17px}
.cl small{display:block;font-family:var(--ff-mono);font-size:.68rem;color:var(--text-3)}
.cl b{font-weight:500;font-size:.94rem;word-break:break-word}
form{padding:26px 24px;display:grid;gap:15px}
.field{display:grid;gap:7px}
.field label{font-family:var(--ff-mono);font-size:.72rem;color:var(--text-3)}
.field input,.field textarea{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:12px 14px;font-size:.94rem;font-family:var(--ff-body);width:100%;transition:border-color .2s,background .2s}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--cyan);background:var(--panel-2)}
.field textarea{resize:vertical;min-height:124px}
.field .err{font-size:.75rem;color:#ff8087;display:none}
.field.bad input,.field.bad textarea{border-color:#ff8087}
.field.bad .err{display:block}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:15px}
.form-note{font-size:.76rem;color:var(--text-3);font-family:var(--ff-mono)}
.sent{display:none;flex-direction:column;align-items:center;gap:12px;text-align:center;padding:44px 20px}
.sent.show{display:flex;animation:pop .5s var(--ease)}
@keyframes pop{from{opacity:0;transform:scale(.94)}to{opacity:1;transform:none}}
.sent-ring{width:60px;height:60px;border-radius:50%;display:grid;place-items:center;border:1px solid rgba(61,220,151,.4);background:rgba(61,220,151,.1);color:var(--green)}
.sent-ring svg{width:26px;height:26px}
.sent-ring svg path{stroke-dasharray:34;stroke-dashoffset:34;animation:draw .6s .12s var(--ease) forwards}
@keyframes draw{to{stroke-dashoffset:0}}
.sent h3{font-size:1.15rem}
.sent p{color:var(--text-2);font-size:.92rem;max-width:36ch}

/* ═══════════ 15. FOOTER ═══════════ */
footer{border-top:1px solid var(--line);padding:44px 0 34px;margin-top:40px;position:relative}
.foot{display:flex;justify-content:space-between;gap:26px;flex-wrap:wrap;align-items:flex-start}
.foot-name{font-family:var(--ff-display);font-weight:800;font-size:1.15rem;letter-spacing:-.02em}
.foot-role{color:var(--cyan);font-size:.86rem;font-family:var(--ff-mono);margin-top:3px}
.foot-motto{color:var(--text-2);font-size:.92rem;margin-top:12px;max-width:38ch}
.foot-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:34px;padding-top:20px;border-top:1px solid var(--line);font-family:var(--ff-mono);font-size:.74rem;color:var(--text-3)}
.to-top{position:fixed;right:20px;bottom:20px;z-index:80;width:44px;height:44px;border-radius:13px;display:grid;place-items:center;cursor:pointer;
  border:1px solid var(--line-strong);background:var(--bg-elev);color:var(--text-2);opacity:0;pointer-events:none;transform:translateY(10px);
  transition:opacity .3s var(--ease),transform .3s var(--ease),color .2s,border-color .2s}
.to-top.show{opacity:1;pointer-events:auto;transform:none}
.to-top:hover{color:var(--cyan);border-color:var(--cyan)}
.to-top svg{width:18px;height:18px}

/* ═══════════ 16. RESPONSIVE ═══════════ */
@media (max-width:1080px){
  .nav-links{display:none}
  .burger{display:grid}
  .env-stage{grid-template-columns:1fr}
  .env-info{border-left:0;border-top:1px solid var(--line)}
  .stacks{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:900px){
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .portrait{order:-1;justify-self:start;width:min(210px,52vw)}
  .floaty{display:none}
  .about-grid,.two-col,.contact-grid{grid-template-columns:1fr;gap:34px}
  .stats{grid-template-columns:repeat(2,1fr)}
  .resume{grid-template-columns:1fr;padding:30px 24px}
  .resume-actions{min-width:0}
}
@media (max-width:640px){
  :root{--nav-h:62px}
  .section{padding:76px 0}
  .wrap{padding-inline:18px}
  .nav-cta{display:none}
  .hero{min-height:auto;padding-top:calc(var(--nav-h) + 40px)}
  .scroll-hint{display:none}
  .hero-cta .btn{flex:1 1 100%}
  .diagram{overflow-x:auto;-webkit-overflow-scrolling:touch;padding:16px 0 6px}
  .diagram svg{width:auto;min-width:640px;height:220px;display:block;margin:0 auto}
  .diagram-hint{display:block;text-align:center;font-family:var(--ff-mono);font-size:.68rem;color:var(--text-3);padding:0 0 14px}
  .node-chips{padding:16px}
  .stacks{grid-template-columns:1fr}
  .row2{grid-template-columns:1fr}
  .timeline{padding-left:22px}
  .exp-head{padding:17px 16px}
  .exp-inner{padding:16px}
  .stat b{font-size:1.75rem}
  form{padding:20px 17px}
  .cert{grid-template-columns:auto 1fr}
  .cert-verify{grid-column:2}
  .to-top{right:14px;bottom:14px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
  .rv{opacity:1;transform:none}
}
@media print{
  .nav,.drawer,.to-top,#net,.scroll-hint{display:none!important}
  body{background:#fff;color:#000}
}