/* Layout: dark portfolio in the spirit of the reference (near-black ground, violet accent, Unbounded headings, pill buttons, blobs, marquee). The right side of the hero carries a live yield curve instead of a photo. */
:root{
  --hue:255;
  --gutter:clamp(20px,5vw,56px);
  --accent:hsl(255,60%,64%);
  --accent-light:hsl(255,60%,76%);
  --glow:hsla(255,60%,64%,.35);
  --title:hsl(240,8%,95%);
  --text:hsl(240,8%,70%);
  --bg:hsl(240,100%,2%);
  --card:hsl(240,8%,6%);
  --line:hsl(240,8%,15%);
  --border:hsla(255,60%,64%,.35);
  --font-display:"Unbounded","Montserrat",system-ui,sans-serif;
  --font-body:"Montserrat",system-ui,-apple-system,"Segoe UI",sans-serif;
  color-scheme:dark;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:5.5rem;padding-block:env(safe-area-inset-top,0px) env(safe-area-inset-bottom,0px)}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:var(--font-body);font-size:1rem;line-height:1.7;
  padding-block:0 2rem;overflow-x:hidden;
}
a{color:inherit}
:focus-visible{outline:2px solid var(--accent-light);outline-offset:3px;border-radius:4px}
.wrap{max-width:1150px;margin-inline:auto;position:relative}
h1,h2,h3,h4{font-family:var(--font-display);color:var(--title);font-weight:500;line-height:1.25;margin:0}
.acc{color:var(--accent)}

/* header */
.top{
  position:sticky;top:env(safe-area-inset-top,0px);z-index:20;
  margin-inline:calc(-1*var(--gutter));padding-inline:var(--gutter);
  background:linear-gradient(var(--bg) 60%,transparent);
}
.top-in{max-width:1150px;margin-inline:auto;display:flex;flex-wrap:wrap;align-items:center;gap:.5rem 1.5rem;padding-block:1rem .75rem}
.logo{font-family:var(--font-display);font-size:.95rem;font-weight:500;color:var(--title);text-decoration:none;margin-right:auto}
.logo span{color:var(--accent)}
.nav{display:flex;gap:1.5rem;flex-wrap:wrap;order:3;width:100%}
@media (min-width:800px){.nav{order:0;width:auto}}
.nav a{font-size:.85rem;font-weight:500;text-decoration:none;color:var(--text);transition:color .3s}
.nav a:hover{color:var(--title)}
.pill-s{
  font-family:var(--font-body);font-size:.8rem;font-weight:600;color:var(--title);background:transparent;
  border:1px solid var(--border);border-radius:4rem;padding:.35rem .9rem;cursor:pointer;transition:background .3s
}
.pill-s:hover{background:var(--glow)}

/* buttons */
.btn{
  display:inline-flex;align-items:center;gap:.5rem;text-decoration:none;font-weight:600;font-size:.9rem;
  color:var(--title);background:transparent;border:1px solid var(--accent);border-radius:4rem;padding:.8rem 1.6rem;
  box-shadow:inset 0 0 1.25rem var(--glow);transition:background .4s,box-shadow .4s;cursor:pointer;font-family:var(--font-body)
}
.btn:hover{background:var(--accent);box-shadow:0 0 1.5rem var(--glow)}
.btn.solid{background:var(--accent)}
.btn.solid:hover{background:var(--accent-light);color:var(--bg)}

/* background blobs */
.bg{position:absolute;inset:0;overflow:hidden;pointer-events:none;z-index:0}
.blob{position:absolute;width:26rem;height:26rem;filter:blur(70px);opacity:.28;
  background:linear-gradient(135deg,hsl(255,70%,60%),hsl(290,70%,55%));
  border-radius:40% 60% 55% 45%/50% 45% 55% 50%;animation:morph 16s ease-in-out infinite alternate}
.blob.b1{top:-4rem;left:-8rem}
.blob.b2{top:24rem;right:-10rem;background:linear-gradient(135deg,hsl(235,70%,55%),hsl(265,70%,62%));animation-duration:21s}
@keyframes morph{
  0%{transform:translate(0,0) rotate(0);border-radius:40% 60% 55% 45%/50% 45% 55% 50%}
  100%{transform:translate(3rem,2rem) rotate(40deg);border-radius:60% 40% 45% 55%/45% 55% 45% 55%}
}
main>section,.hero{position:relative;z-index:1}

/* hero */
.hero{
  display:grid;gap:0 1.5rem;align-items:start;
  grid-template-columns:1fr minmax(240px,26rem) 1fr;
  grid-template-areas:"name photo role" "social photo cv";
  padding-top:clamp(.5rem,2vw,1.5rem)
}
.h-name{grid-area:name;padding-top:clamp(1rem,4vw,3.5rem);min-width:0}
.h-role{grid-area:role;justify-self:end;padding-top:clamp(1rem,4vw,3.5rem);min-width:0;text-align:left}
.hello,.r-small{font-family:var(--font-display);font-weight:400;color:var(--accent);margin:0;font-size:clamp(.85rem,1.6vw,1.25rem);line-height:1.4}
.hero h1{font-size:clamp(2rem,4.8vw,3.9rem);font-weight:700;line-height:1.08;letter-spacing:-.03em;margin:.35rem 0 0}
.r-big,.r-last{font-family:var(--font-display);font-weight:700;margin:0;font-size:clamp(1.5rem,3.3vw,2.7rem);line-height:1.1;letter-spacing:-.03em;overflow-wrap:anywhere}
.r-big{margin-top:.35rem;background:linear-gradient(180deg,var(--accent-light) 20%,hsl(255,55%,45%));-webkit-background-clip:text;background-clip:text;color:transparent}
.r-last{color:var(--title)}
.h-photo{grid-area:photo;grid-row:1/3;position:relative;display:flex;justify-content:center;align-items:flex-end;min-width:0}
.h-photo::before{
  content:"";position:absolute;left:-18%;right:-18%;bottom:0;height:78%;z-index:0;border-radius:50%;filter:blur(34px);
  background:radial-gradient(closest-side,hsla(255,75%,62%,.95),hsla(255,70%,48%,.45) 62%,transparent)
}
.h-photo img{position:relative;z-index:1;display:block;width:100%;height:auto;max-width:26rem;
  -webkit-mask-image:linear-gradient(#000 88%,transparent);mask-image:linear-gradient(#000 88%,transparent)}
.social{grid-area:social;align-self:end;display:flex;flex-direction:column;gap:.7rem;padding-bottom:2rem}
.social a{
  width:2.6rem;height:2.6rem;border-radius:50%;display:grid;place-items:center;text-decoration:none;font-size:.8rem;font-weight:600;
  color:var(--title);background:var(--card);border:1px solid var(--line);transition:border-color .3s,box-shadow .3s
}
.social a:hover{border-color:var(--accent);box-shadow:0 0 1rem var(--glow)}
.cv{grid-area:cv;justify-self:end;align-self:end;display:inline-flex;align-items:center;gap:.5rem;padding-bottom:2rem;
  font-size:.9rem;font-weight:500;color:var(--text);text-decoration:none;transition:color .3s}
.cv:hover{color:var(--title)}
@media (max-width:819px){
  .hero{grid-template-columns:1fr 1fr;grid-template-areas:"name role" "photo photo" "social cv";gap:0 1rem}
  .h-photo{grid-row:auto;margin-top:1rem}
  .h-photo img{max-width:22rem}
  .social{flex-direction:row;padding-block:1rem 0}
  .cv{padding-block:1rem 0}
}
.curve-wrap{max-width:52rem;margin:clamp(2rem,5vw,3.5rem) auto 0;position:relative;z-index:1}
.curve-card{
  background:var(--card);border:1px solid var(--border);border-radius:1.5rem;box-shadow:0 0 3rem hsla(255,60%,64%,.15),inset 0 0 2rem hsla(255,60%,64%,.07);
  padding:1rem 1rem .75rem;min-width:0
}
#curve{display:block;width:100%;height:clamp(230px,34vw,320px);touch-action:pan-y}
.curve-cap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:.25rem 1rem;font-size:.72rem;color:var(--text);padding:.5rem .25rem 0}

/* sections */
main>section{padding-block:clamp(3.5rem,8vw,6rem) 0}
.eyebrow{text-align:center;font-size:.8rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin:0 0 .75rem}
.sec-title{text-align:center;font-size:clamp(1.5rem,4.2vw,2.6rem);letter-spacing:-.02em;text-wrap:balance;max-width:44rem;margin:0 auto 2.5rem}

/* about */
.about{display:grid;gap:2rem;grid-template-columns:1fr;max-width:62rem;margin-inline:auto}
@media (min-width:820px){.about{grid-template-columns:1.2fr 1fr;gap:3rem;align-items:start}}
.about p{margin:0 0 1rem;font-size:1.05rem}
.about p strong{color:var(--title);font-weight:600}
.facts{background:var(--card);border:1px solid var(--line);border-radius:1.25rem;padding:.5rem 1.4rem;margin:0}
.facts div{display:grid;grid-template-columns:6.5rem 1fr;gap:1rem;padding-block:.9rem;border-bottom:1px solid var(--line)}
.facts div:last-child{border-bottom:0}
.facts dt{font-size:.78rem;font-weight:600;color:var(--accent-light)}
.facts dd{margin:0;min-width:0;font-size:.92rem;line-height:1.55}

/* projects */
.filters{display:flex;flex-wrap:wrap;justify-content:center;gap:.6rem;margin-bottom:2rem}
.filters button{
  font-family:var(--font-body);font-size:.8rem;font-weight:600;color:var(--text);background:transparent;
  border:1px solid var(--line);border-radius:4rem;padding:.5rem 1.1rem;cursor:pointer;transition:all .3s
}
.filters button:hover{color:var(--title);border-color:var(--accent)}
.filters button[aria-pressed="true"]{color:var(--title);border-color:var(--accent);background:var(--glow)}
.grid{display:grid;gap:1.25rem;grid-template-columns:repeat(auto-fill,minmax(min(100%,17.5rem),1fr));counter-reset:n}
.card{
  counter-increment:n;position:relative;display:flex;flex-direction:column;justify-content:space-between;gap:2rem;min-width:0;
  background:var(--card);border:1px solid var(--line);border-radius:1.5rem;padding:1.5rem;text-decoration:none;
  transition:border-color .4s,box-shadow .4s,transform .4s
}
a.card:hover{border-color:var(--accent);box-shadow:0 0 2rem var(--glow);transform:translateY(-4px)}
.num{font-family:var(--font-display);font-size:2.6rem;font-weight:700;line-height:1;color:transparent;-webkit-text-stroke:1px var(--accent)}
.num::before{content:counter(n,decimal-leading-zero)}
.tag{display:inline-block;font-size:.7rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--accent-light);margin-bottom:.5rem}
.card h3{font-size:1.02rem;line-height:1.4}
html[lang="en"] html[lang="en"] html[lang="en"] html[lang="en"] html[lang="en"] .src{font-size:.78rem;font-weight:600;color:var(--title)}
a.card:hover .src{color:var(--accent-light)}
.src.off{color:var(--text);font-weight:500}

/* experience tabs */
.tabs{display:flex;justify-content:center;gap:.6rem;margin-bottom:2rem}
.tabs button{
  font-family:var(--font-body);font-size:.85rem;font-weight:600;color:var(--text);background:transparent;
  border:1px solid var(--line);border-radius:4rem;padding:.6rem 1.5rem;cursor:pointer;transition:all .3s
}
.tabs button[aria-selected="true"]{color:var(--title);border-color:var(--accent);background:var(--glow)}
.panel{max-width:46rem;margin-inline:auto;display:grid;gap:1.25rem}
.entry{background:var(--card);border:1px solid var(--line);border-radius:1.5rem;padding:1.5rem 1.6rem}
.entry h3{font-size:1.05rem}
.entry .who{margin:.4rem 0 .8rem;font-size:.9rem;font-weight:600;color:var(--accent-light)}
.entry p{margin:0;font-size:.95rem}

/* certificates marquee */
.marquee{overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 7%,#000 93%,transparent);mask-image:linear-gradient(90deg,transparent,#000 7%,#000 93%,transparent)}
.track{display:flex;width:max-content;animation:scroll 30s linear infinite}
.marquee:hover .track{animation-play-state:paused}
.group{display:flex;gap:1.25rem;padding-right:1.25rem}
@keyframes scroll{to{transform:translateX(-50%)}}
.cert{
  min-width:17rem;display:flex;flex-direction:column;gap:1.5rem;text-decoration:none;
  background:var(--card);border:1px solid var(--line);border-radius:1.5rem;padding:1.4rem 1.5rem;transition:border-color .3s,box-shadow .3s
}
.cert:hover{border-color:var(--accent);box-shadow:0 0 1.5rem var(--glow)}
.cert b{font-family:var(--font-display);font-weight:500;color:var(--title);font-size:1.1rem}
.cert span{font-size:.8rem;font-weight:600;color:var(--accent-light)}

/* skills */
.two{display:grid;gap:1.25rem;grid-template-columns:1fr}
@media (min-width:820px){.two{grid-template-columns:1fr 1fr}}
.box{background:var(--card);border:1px solid var(--line);border-radius:1.5rem;padding:1.75rem;min-width:0}
.box h3{font-size:1.1rem;margin-bottom:.75rem}
.box p{margin:0 0 1.25rem;font-size:.95rem}
.chips{display:flex;flex-wrap:wrap;gap:.55rem;margin:0;padding:0;list-style:none}
.chips li{font-size:.82rem;font-weight:500;color:var(--title);border:1px solid var(--border);border-radius:4rem;padding:.35rem .9rem;background:hsla(255,60%,64%,.07)}

/* contact */
.contact{
  background:var(--card);border:1px solid var(--border);border-radius:2rem;padding:clamp(1.5rem,5vw,3.5rem);
  box-shadow:0 0 4rem hsla(255,60%,64%,.12),inset 0 0 3rem hsla(255,60%,64%,.06);display:grid;gap:2rem;grid-template-columns:1fr;min-width:0
}
@media (min-width:860px){.contact{grid-template-columns:1.2fr 1fr;align-items:start}}
.contact h2{font-size:clamp(1.5rem,4vw,2.4rem);letter-spacing:-.02em}
.contact .mail-addr{font-family:var(--font-display);font-size:clamp(1rem,3.4vw,1.5rem);color:var(--title);overflow-wrap:anywhere;user-select:all;margin:1.25rem 0 1rem}
.info{margin:0;display:grid;gap:1.25rem;min-width:0}
.info div{border-top:1px solid var(--line);padding-top:1rem}
.info dt{font-size:.78rem;font-weight:600;color:var(--accent-light);margin-bottom:.2rem}
.info dd{margin:0;overflow-wrap:anywhere}
.info a{color:var(--title)}
footer{max-width:1150px;margin:3.5rem auto 0;padding-top:1.25rem;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;justify-content:space-between;gap:.5rem;font-size:.82rem}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .blob,.track{animation:none}
  .marquee{overflow-x:auto;-webkit-mask-image:none;mask-image:none}
}

.pill-s{display:inline-block;text-decoration:none;line-height:1.5}

/* hero gutters: extra inner space so name, role and corners never touch the screen edge */
.hero{padding-inline:clamp(.25rem,3.5vw,3rem);overflow-x:clip}

/* interactive text */
.w{display:inline-block;white-space:nowrap}
.ch{display:inline-block;transition:transform .35s cubic-bezier(.2,.8,.2,1),color .25s;animation:lift .7s cubic-bezier(.2,.8,.2,1) both;animation-delay:calc(var(--i,0)*40ms)}
.ch:hover{transform:translateY(-.14em) rotate(-5deg);color:var(--accent-light)}
.acc .ch:hover{color:var(--title)}
@keyframes lift{from{transform:translateY(.35em)}to{transform:none}}
.r-big{background-size:100% 220%;background-position:0 0;transition:background-position .6s}
.r-big:hover{background-position:0 100%}
.r-small{min-height:2.8em}
.typed.live::after{content:"";display:inline-block;width:2px;height:1em;margin-left:3px;vertical-align:-.12em;background:var(--accent-light);animation:blink 1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}

/* scroll reveal (applied by script only to elements below the first screen) */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.8,.2,1)}
.reveal.in{opacity:1;transform:none}

/* photo depth */
.h-photo img{transform:translate3d(var(--px,0px),calc(var(--py,0px) + var(--sy,0px)),0);will-change:transform}
.h-photo::before{transform:translate3d(var(--gx,0px),var(--gy,0px),0)}

/* card spotlight */
.card::after{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;opacity:0;transition:opacity .3s;
  background:radial-gradient(220px circle at var(--mx,50%) var(--my,50%),hsla(255,70%,65%,.2),transparent 70%)}
a.card:hover::after{opacity:1}

/* progress bar and active link */
.progress{position:fixed;top:0;left:0;width:100%;height:3px;z-index:30;transform-origin:0 50%;transform:scaleX(0);
  background:linear-gradient(90deg,var(--accent),var(--accent-light))}
.nav a.active{color:var(--title);text-decoration:underline;text-decoration-color:var(--accent);text-underline-offset:.4em;text-decoration-thickness:2px}

@media (prefers-reduced-motion:reduce){
  .ch{animation:none;transition:none}
  .reveal{opacity:1;transform:none;transition:none}
  .typed.live::after{animation:none}
  .h-photo img{will-change:auto}
}

/* menu bar: transparent over the hero, solid once the page is scrolled */
.top{transition:background .3s,box-shadow .3s,border-color .3s;border-bottom:1px solid transparent}
.top.scrolled{
  background:hsla(240,60%,3%,.94);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-bottom-color:var(--line);box-shadow:0 10px 30px rgba(0,0,0,.45)
}

/* the English page has no publish skeleton, so it needs its own reset */
[hidden]{display:none!important}
img{max-width:100%}

/* curve section */
.sec-sub{text-align:center;max-width:38rem;margin:-1.5rem auto 2rem;font-size:.98rem}
.ctl{display:flex;flex-wrap:wrap;justify-content:center;gap:.6rem;margin-bottom:.75rem}
.ctl button{
  font-family:var(--font-body);font-size:.8rem;font-weight:600;color:var(--text);background:transparent;
  border:1px solid var(--line);border-radius:4rem;padding:.45rem 1.1rem;cursor:pointer;transition:all .3s
}
.ctl button:hover{color:var(--title);border-color:var(--accent)}
.ctl button[aria-pressed="true"]{color:var(--title);border-color:var(--accent);background:var(--glow)}
#slope{color:var(--accent-light);font-weight:600;font-variant-numeric:tabular-nums}

/* experience timeline */
.panel.wide{max-width:60rem}
.timeline{position:relative;display:grid;grid-template-columns:1fr;gap:1.75rem;--p:1}
.tl-line{position:absolute;left:1.1rem;top:.5rem;bottom:.5rem;width:2px;background:var(--line);border-radius:2px}
.tl-fill{position:absolute;left:0;top:0;width:100%;height:calc(var(--p)*100%);background:linear-gradient(var(--accent),var(--accent-light));box-shadow:0 0 12px var(--glow);border-radius:2px}
.tl-item{position:relative;padding-left:3.25rem;min-width:0}
.tl-dot{position:absolute;left:.45rem;top:1.7rem;width:1.3rem;height:1.3rem;border-radius:50%;background:var(--bg);border:2px solid var(--line);transition:background .4s,border-color .4s,box-shadow .4s}
.tl-item.on .tl-dot{background:var(--accent);border-color:var(--accent-light);box-shadow:0 0 16px var(--accent)}
.tl-tag{display:inline-block;font-size:.72rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--accent-light);margin-bottom:.5rem}
.tl-item .entry{transition:border-color .4s,box-shadow .4s}
.tl-item.on .entry{border-color:var(--border)}
@media (min-width:820px){
  .tl-line{left:50%;transform:translateX(-1px)}
  .tl-item{padding:0;width:calc(50% - 2.25rem)}
  .tl-item:nth-child(even){justify-self:start}
  .tl-item:nth-child(odd){justify-self:end}
  .tl-dot{left:auto}
  .tl-item:nth-child(even) .tl-dot{right:-2.9rem}
  .tl-item:nth-child(odd) .tl-dot{left:-2.9rem}
}