/* ===== Tokens (blue palette: #000f22 #1b3554 #3f6593 #5b86b6 #80aad3 #c0e6fd) ===== */
:root{
  --bg:#000f22;--bg2:#04162b;--card:#0a1d36;--card2:#13294a;--line:#27476c;
  --text:#c0e6fd;--muted:#80aad3;--a1:#c0e6fd;--a2:#80aad3;--a3:#5b86b6;--on:#000f22;
  --grad:linear-gradient(120deg,var(--a1),var(--a3));
  --radius:18px;--max:1120px;
  --head:'Sora',system-ui,sans-serif;--body:'Plus Jakarta Sans',system-ui,sans-serif;
  --shadow:0 20px 50px -24px rgba(0,0,0,.8);
}
@media (prefers-color-scheme: light){
  :root{--bg:#eaf6ff;--bg2:#dcedfb;--card:#f6fbff;--card2:#e2f1fd;--line:#a9cbe6;
    --text:#000f22;--muted:#3f6593;--a1:#1b3554;--a2:#3f6593;--a3:#3f6593;--on:#eaf6ff;--shadow:0 20px 40px -26px rgba(27,53,84,.45)}
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:var(--body);line-height:1.7;-webkit-font-smoothing:antialiased;opacity:0;animation:pagein .6s .05s forwards}
body.leaving{animation:pageout .25s forwards}
@keyframes pagein{to{opacity:1}}
@keyframes pageout{to{opacity:0;transform:translateY(-6px)}}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
h1,h2,h3{font-family:var(--head);line-height:1.12;letter-spacing:-.025em}
.wrap{max-width:var(--max);margin:0 auto;padding:0 22px}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
::selection{background:color-mix(in srgb,var(--a1) 40%,transparent)}

/* progress */
.progress{position:fixed;top:0;left:0;height:3px;width:0;background:var(--grad);z-index:100;transition:width .1s}

/* ===== Nav ===== */
header.nav{position:sticky;top:0;z-index:60;backdrop-filter:blur(16px) saturate(1.4);background:color-mix(in srgb,var(--bg) 78%,transparent);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{display:flex;align-items:center;gap:12px;font-family:var(--head);font-weight:600;letter-spacing:-.01em}
.mark{width:38px;height:38px;border-radius:12px;background:var(--grad);display:grid;place-items:center;color:var(--on);font-weight:700;font-size:.9rem;transition:transform .4s cubic-bezier(.3,1.6,.5,1)}
.logo:hover .mark{transform:rotate(-8deg) scale(1.08)}
.links{display:flex;gap:4px;align-items:center}
.links a{position:relative;padding:9px 16px;border-radius:10px;color:var(--muted);font-size:.93rem;font-weight:500;transition:color .2s}
.links a::after{content:"";position:absolute;left:16px;right:16px;bottom:4px;height:2px;border-radius:2px;background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .3s}
.links a:hover{color:var(--text)}
.links a:hover::after,.links a.active::after{transform:scaleX(1)}
.links a.active{color:var(--text)}
.burger{display:none;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:8px 14px;cursor:pointer}
@media(max-width:760px){
  .burger{display:block}
  .links{display:none;position:absolute;top:68px;left:0;right:0;flex-direction:column;align-items:stretch;background:var(--bg);border-bottom:1px solid var(--line);padding:12px 22px 18px}
  .links.open{display:flex;animation:drop .3s}
  .links a::after{left:16px;right:auto;width:28px}
  .logo span.full{display:none}
}
@keyframes drop{from{opacity:0;transform:translateY(-8px)}}

/* ===== Hero ===== */
.hero{padding:104px 0 70px;position:relative;overflow:hidden}
.orb{position:absolute;border-radius:50%;filter:blur(60px);opacity:.5;pointer-events:none;animation:float 14s ease-in-out infinite}
.orb.o1{width:420px;height:420px;background:var(--a3);top:-120px;right:-80px;opacity:.3}
.orb.o2{width:340px;height:340px;background:var(--a2);bottom:-140px;left:-60px;opacity:.18;animation-delay:-6s}
@keyframes float{50%{transform:translate(30px,24px) scale(1.06)}}
.hero .wrap{position:relative}
.badge{display:inline-flex;gap:10px;align-items:center;font-size:.84rem;color:var(--muted);border:1px solid var(--line);padding:7px 14px;border-radius:999px;background:var(--card)}
.dot{width:8px;height:8px;border-radius:50%;background:var(--a1);animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 color-mix(in srgb,var(--a1) 55%,transparent)}100%{box-shadow:0 0 0 10px color-mix(in srgb,var(--a1) 0%,transparent)}}
.hero h1{font-size:clamp(2.6rem,8.4vw,5.6rem);margin:24px 0 16px;font-weight:700}
.role-line{font-family:var(--head);font-size:clamp(1.1rem,2.6vw,1.6rem);color:var(--muted);height:1.6em;overflow:hidden}
.role-line b{display:inline-block;font-weight:600;color:var(--text);transition:transform .45s,opacity .45s}
.role-line b.out{transform:translateY(-100%);opacity:0}
.lede{margin-top:20px;font-size:clamp(1rem,2vw,1.18rem);color:var(--muted);max-width:640px}
.cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.btn{position:relative;overflow:hidden;display:inline-flex;align-items:center;gap:10px;padding:13px 22px;border-radius:12px;font-weight:600;font-size:.95rem;border:1px solid var(--line);background:var(--card);cursor:pointer;transition:transform .2s,border-color .2s,box-shadow .2s}
.btn:hover{transform:translateY(-3px);border-color:var(--a1);box-shadow:0 12px 28px -14px var(--a1)}
.btn:active{transform:translateY(0) scale(.97)}
.btn.primary{background:var(--grad);color:var(--on);border-color:transparent}
.ripple{position:absolute;border-radius:50%;background:rgba(255,255,255,.45);transform:scale(0);animation:rip .6s linear;pointer-events:none}
@keyframes rip{to{transform:scale(4);opacity:0}}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:14px;margin-top:64px}
.stat{padding:22px;border:1px solid var(--line);border-radius:var(--radius);background:var(--card);transition:transform .3s,border-color .3s}
.stat:hover{transform:translateY(-4px);border-color:var(--a1)}
.stat b{display:block;font-family:var(--head);font-size:2rem;line-height:1.1}
.stat span{color:var(--muted);font-size:.9rem}

/* ===== Sections ===== */
section{padding:68px 0}
.eyebrow{display:inline-block;font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;font-weight:700;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
h2{font-size:clamp(1.8rem,4.4vw,2.8rem);margin:10px 0 14px}
.sub{color:var(--muted);max-width:680px}
.page-head{padding:78px 0 10px}
.page-head h1{font-size:clamp(2.2rem,6vw,3.7rem);margin:12px 0 14px}

/* ===== Cards ===== */
.grid{display:grid;gap:18px;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));margin-top:34px}
.card{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:transform .3s,border-color .3s,box-shadow .3s;display:flex;flex-direction:column;gap:12px;overflow:hidden}
.card::before{content:"";position:absolute;inset:0;background:radial-gradient(380px circle at var(--mx,50%) var(--my,0%),color-mix(in srgb,var(--a1) 18%,transparent),transparent 60%);opacity:0;transition:opacity .3s;pointer-events:none}
.card:hover{transform:translateY(-5px);border-color:color-mix(in srgb,var(--a1) 65%,var(--line));box-shadow:var(--shadow)}
.card:hover::before{opacity:1}
.card h3{font-size:1.28rem}
.card p{color:var(--muted);font-size:.96rem}
.kind{font-size:.74rem;color:var(--a2);text-transform:uppercase;letter-spacing:.12em;font-weight:700}
.ico{width:44px;height:44px;border-radius:12px;background:color-mix(in srgb,var(--a1) 16%,var(--card2));display:grid;place-items:center;color:var(--a1)}
.ico svg{width:22px;height:22px}
.tags{display:flex;flex-wrap:wrap;gap:8px}
.tag{font-size:.78rem;padding:5px 11px;border-radius:999px;border:1px solid var(--line);color:var(--muted);background:var(--card2)}

/* project accordion cards */
.proj{cursor:pointer;text-align:left;width:100%}
.proj .head{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}
.chev{flex:none;width:34px;height:34px;border-radius:10px;border:1px solid var(--line);display:grid;place-items:center;transition:transform .35s,background .3s,border-color .3s}
.proj.open .chev{transform:rotate(180deg);background:var(--grad);border-color:transparent;color:var(--on)}
.more{display:grid;grid-template-rows:0fr;transition:grid-template-rows .45s cubic-bezier(.3,.8,.3,1)}
.more>div{overflow:hidden}
.proj.open .more{grid-template-rows:1fr}
.proj.open{border-color:var(--a1);box-shadow:0 0 0 1px var(--a1),var(--shadow)}
.facts{display:grid;gap:10px;margin-top:10px;padding-top:16px;border-top:1px dashed var(--line)}
.facts div{display:grid;grid-template-columns:100px 1fr;gap:10px;font-size:.92rem}
.facts dt{color:var(--a2);font-weight:600}
.facts dd{color:var(--muted)}
.hint{font-size:.8rem;color:var(--muted);display:flex;align-items:center;gap:6px}

/* filters + tabs */
.filters,.tabs{display:flex;flex-wrap:wrap;gap:8px;margin-top:30px}
.chip,.tab{border:1px solid var(--line);background:var(--card);color:var(--muted);padding:9px 18px;border-radius:999px;cursor:pointer;font-size:.9rem;font-weight:500;transition:all .25s}
.chip:hover,.tab:hover{color:var(--text);border-color:var(--a1);transform:translateY(-2px)}
.chip.on,.tab.on{background:var(--grad);color:var(--on);border-color:transparent;font-weight:600}
[data-cat].hide{display:none}
[data-cat].pop{animation:pop .45s cubic-bezier(.3,1.4,.5,1)}
@keyframes pop{from{opacity:0;transform:scale(.94) translateY(10px)}}

/* skills */
.panel{display:none;margin-top:22px}
.panel.on{display:block;animation:pop .45s}
.skills{display:flex;flex-wrap:wrap;gap:12px}
.skill{border:1px solid var(--line);background:var(--card);padding:12px 20px;border-radius:14px;cursor:pointer;font-weight:600;transition:all .25s}
.skill:hover{transform:translateY(-3px);border-color:var(--a1)}
.skill.on{background:var(--grad);color:var(--on);border-color:transparent;transform:translateY(-3px) scale(1.04);box-shadow:0 14px 30px -14px var(--a1)}
.skill.bounce{animation:bounce .4s}
@keyframes bounce{40%{transform:scale(1.12)}}
.used{margin-top:20px;padding:18px 20px;border-radius:14px;border:1px dashed var(--a1);background:color-mix(in srgb,var(--a1) 8%,var(--card));color:var(--muted);min-height:62px;transition:all .3s}
.used b{color:var(--text)}

/* timeline */
.timeline{margin-top:38px;display:grid;gap:22px}
.role{position:relative;display:grid;grid-template-columns:170px 1fr;gap:30px;padding:30px;border:1px solid var(--line);border-radius:var(--radius);background:var(--card);transition:border-color .3s,transform .3s}
.role:hover{border-color:color-mix(in srgb,var(--a1) 60%,var(--line))}
.role .when b{display:block;font-family:var(--head);font-size:1.02rem;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.role .when{color:var(--muted);font-size:.9rem}
.role h3{font-size:1.5rem}
.role .org{color:var(--a2);font-weight:600;margin:4px 0 14px}
.role ul{padding-left:20px;display:grid;gap:9px;color:var(--muted)}
.role li::marker{color:var(--a1)}
.role li.extra{display:none}
.role.expanded li.extra{display:list-item;animation:pop .4s}
.role .tags{margin-top:18px}
.toggle{margin-top:16px;background:none;border:1px solid var(--line);border-radius:10px;padding:8px 16px;cursor:pointer;color:var(--text);font-size:.88rem;font-weight:600;transition:all .25s}
.toggle:hover{border-color:var(--a1);background:var(--card2)}
@media(max-width:760px){.role{grid-template-columns:1fr;gap:12px;padding:22px}}

/* education */
.edu{position:relative;margin-top:30px;display:grid;gap:18px;padding-left:30px}
.edu::before{content:"";position:absolute;left:7px;top:8px;bottom:8px;width:2px;background:linear-gradient(var(--a1),var(--a2));opacity:.5}
.edu .item{position:relative;padding:22px 24px;border:1px solid var(--line);border-radius:var(--radius);background:var(--card);transition:transform .3s,border-color .3s}
.edu .item:hover{transform:translateX(6px);border-color:var(--a1)}
.edu .item::before{content:"";position:absolute;left:-30px;top:30px;width:16px;height:16px;border-radius:50%;background:var(--bg);border:3px solid var(--a1)}
.edu .item .yr{color:var(--a2);font-size:.85rem;font-weight:700}
.edu .item h3{font-size:1.15rem;margin:4px 0}
.edu .item p{color:var(--muted);font-size:.93rem}

/* contact */
.contact{display:grid;gap:14px;margin-top:28px;max-width:720px}
.row{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:18px 22px;border:1px solid var(--line);border-radius:14px;background:var(--card);transition:all .25s;flex-wrap:wrap}
a.row:hover,.row.copy:hover{border-color:var(--a1);transform:translateX(6px)}
.row .k{color:var(--muted);font-size:.88rem;text-transform:uppercase;letter-spacing:.1em;font-weight:600}
.copy{cursor:pointer;width:100%;text-align:left}
.copy .act{font-size:.82rem;color:var(--a2);font-weight:600}
.toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%,30px);background:var(--grad);color:var(--on);padding:12px 22px;border-radius:12px;font-weight:700;opacity:0;pointer-events:none;transition:all .35s;z-index:120}
.toast.show{opacity:1;transform:translate(-50%,0)}

footer{border-top:1px solid var(--line);padding:38px 0;color:var(--muted);font-size:.9rem;margin-top:40px}
footer .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
footer a:hover{color:var(--text)}

.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s,transform .7s cubic-bezier(.2,.8,.2,1)}
.reveal.in{opacity:1;transform:none}
.d1{transition-delay:.08s}.d2{transition-delay:.16s}.d3{transition-delay:.24s}.d4{transition-delay:.32s}

/* contact icons */
.row{justify-content:flex-start;gap:16px;flex-wrap:nowrap}
.row .ic{flex:none;width:46px;height:46px;border-radius:13px;display:grid;place-items:center;background:color-mix(in srgb,var(--a1) 15%,var(--card2));color:var(--a1);transition:all .3s}
.row .ic svg{width:22px;height:22px}
.row .val{flex:1;min-width:0;overflow-wrap:anywhere}
.row .act{flex:none;margin-left:auto}
a.row:hover .ic,.row.copy:hover .ic{background:var(--grad);color:var(--on);transform:rotate(-6deg) scale(1.08)}

/* ===== Hero with photo ===== */
.hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:48px;align-items:center}
.hero-grid h1{font-size:clamp(2.5rem,5.4vw,4.6rem)}
.hero-photo{position:relative;justify-self:center;width:min(100%,380px)}
.frame{position:relative;display:block;width:100%;aspect-ratio:1/1;padding:3px;border:0;border-radius:38px;background:var(--grad);cursor:pointer;box-shadow:0 30px 70px -30px color-mix(in srgb,var(--a3) 70%,transparent);animation:floaty 7s ease-in-out infinite;transition:border-radius .7s cubic-bezier(.65,0,.35,1),box-shadow .4s,filter .3s;-webkit-tap-highlight-color:transparent}
.frame.round{border-radius:50%}
.frame::before{content:"";position:absolute;inset:3px;border-radius:inherit;background:radial-gradient(120% 90% at 50% 12%,color-mix(in srgb,var(--a3) 60%,var(--card)),var(--card) 72%)}
.frame img{position:relative;display:block;width:100%;height:100%;object-fit:cover;border-radius:inherit;transition:transform .7s cubic-bezier(.65,0,.35,1)}
.frame:hover{box-shadow:0 36px 80px -28px color-mix(in srgb,var(--a1) 55%,transparent)}
.frame:hover img{transform:scale(1.04)}
.frame:active img{transform:scale(.98)}
.frame:focus-visible{outline:3px solid var(--a1);outline-offset:6px}
.swap{position:absolute;right:2%;bottom:2%;width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:var(--card);color:var(--a1);border:1px solid var(--line);box-shadow:var(--shadow);transition:transform .7s cubic-bezier(.65,0,.35,1),background .3s,color .3s}
.swap svg{width:20px;height:20px}
.frame:hover .swap{background:var(--grad);color:var(--on);border-color:transparent}
.frame.round .swap{transform:rotate(180deg)}
.frame.round{animation-name:floaty}
@keyframes floaty{50%{transform:translateY(-10px)}}
@media(max-width:860px){
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero-photo{order:-1;width:min(70%,280px)}
  .hero-grid h1{font-size:clamp(2.3rem,10vw,3.4rem)}
  .swap{width:38px;height:38px}
}


/* ===== Hero entrance (plays on load, so phones see motion without hovering) ===== */
@keyframes fadein{from{opacity:0}}
.hero-text>*{animation:rise .8s cubic-bezier(.2,.8,.2,1) both}
.hero-text>*:nth-child(1){animation-delay:.05s}
.hero-text>*:nth-child(2){animation-delay:.15s}
.hero-text>*:nth-child(3){animation-delay:.25s}
.hero-text>*:nth-child(4){animation-delay:.35s}
.hero-text>*:nth-child(5){animation-delay:.45s}
.hero-text>*:nth-child(6){animation-delay:.55s}
.hero-photo{animation:rise .9s .2s cubic-bezier(.2,.8,.2,1) both}
@keyframes rise{from{opacity:0;transform:translateY(28px)}}

/* ===== Touch screens: no hover, so give taps visible feedback ===== */
.card.tap::before{opacity:1}
.card.tap,.stat.tap{transform:translateY(-4px) scale(1.01);border-color:color-mix(in srgb,var(--a1) 60%,var(--line))}
.chip.tap,.tab.tap,.skill.tap{transform:scale(.94)}
@media (hover:none){
  .card:active,.stat:active{transform:scale(.975)}
  .chip:active,.tab:active,.skill:active,.btn:active,.toggle:active{transform:scale(.94)}
  .proj .hint{color:var(--a2)}
}

/* ===== Reduced motion: stay respectful, but keep gentle fades and tap feedback.
   Only endless looping movement and big slides are switched off. ===== */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .orb,.frame,.dot,.hero-photo{animation:none}
  .hero-text>*{animation-name:fadein;animation-duration:.7s}
  .reveal{transform:none;transition:opacity .7s}
  body{animation-duration:.5s}
  .frame:hover img{transform:none}
  .role-line b{transition:opacity .4s}
  .role-line b.out{transform:none}
}