/* ================= THEME ================= */
:root{
  color-scheme:light;
  --bg:#FBF9F7;
  --surface:#FFFFFF;
  --ink:#1C1A1F;
  --gray:#4F4A55;
  --faint:#7A7381;
  --line:#E7E2DD;
  --accent:#C25A22;
  --accent-soft:#FBE4D6;
  --bar:rgba(251,249,247,.9);
}
html[data-theme="dark"]{
  color-scheme:dark;
  --bg:#17151B;
  --surface:#211E27;
  --ink:#F4F0EB;
  --gray:#BDB5C4;
  --faint:#8F8896;
  --line:#302C38;
  --accent:#F0955F;
  --accent-soft:#3A2A22;
  --bar:rgba(23,21,27,.9);
}
@media (prefers-color-scheme:dark){
  html[data-theme="auto"]{
    color-scheme:dark;
    --bg:#17151B;
    --surface:#211E27;
    --ink:#F4F0EB;
    --gray:#BDB5C4;
    --faint:#8F8896;
    --line:#302C38;
    --accent:#F0955F;
    --accent-soft:#3A2A22;
    --bar:rgba(23,21,27,.9);
  }
}

/* ================= SCALE ================= */
:root{
  --display:'Sora','Segoe UI',system-ui,-apple-system,'Helvetica Neue',Arial,sans-serif;
  --body:'Inter',system-ui,-apple-system,'Segoe UI','Helvetica Neue',Arial,sans-serif;
  --mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --quote:'Instrument Serif',Georgia,'Times New Roman',serif;

  --s-1:.5rem;
  --s-2:.875rem;
  --s-3:1.25rem;
  --s-4:1.75rem;
  --s-5:2.5rem;
  --s-6:clamp(2.75rem,5.5vw,4rem);   /* section rhythm — matched to gutters */

  --pad:clamp(1.75rem,6vw,4rem);
  --measure:42rem;
  --nav-h:60px;
  --avatar-lg:clamp(88px,24vw,116px);   /* shrinks with the screen */
  --avatar-sm:34px;

  --ease:cubic-bezier(.4,0,.2,1);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:var(--body);
  font-size:clamp(1.0625rem,1rem + .25vw,1.125rem);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  /* room for the status bar + iPhone home indicator */
  padding-bottom:calc(4.25rem + env(safe-area-inset-bottom,0px));
  transition:background-color .45s var(--ease),color .45s var(--ease);
}
.wrap{max-width:var(--measure);margin:0 auto;padding-inline:var(--pad)}
section{
  padding-block:var(--s-6);
  scroll-margin-top:calc(var(--nav-h) + var(--s-2));
}
/* clear division between sections */
main > section + section{border-top:1px solid var(--line)}

/* ================= NAV ================= */
.nav{
  position:sticky;top:0;z-index:20;height:var(--nav-h);
  display:flex;align-items:center;
  background:var(--bar);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:border-color .25s var(--ease),background-color .45s var(--ease);
}
.nav.stuck{border-bottom-color:var(--line)}
.nav .inner{
  width:100%;max-width:var(--measure);margin:0 auto;
  padding-inline:var(--pad);
  display:flex;align-items:center;justify-content:space-between;gap:var(--s-3);
}
.nav .left{display:flex;align-items:center;min-width:0}
.mark{
  font-family:var(--mono);font-size:.8rem;color:var(--gray);text-decoration:none;white-space:nowrap;
  will-change:transform;
}
.mark:hover{color:var(--ink)}
.nav .right{display:flex;align-items:center;gap:clamp(.7rem,2.5vw,1.35rem)}
.nav nav{display:flex;gap:clamp(.7rem,2.5vw,1.35rem)}
.nav nav a{
  font-size:.875rem;font-weight:500;color:var(--faint);text-decoration:none;
  padding-block:.35rem;border-bottom:2px solid transparent;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.nav nav a:hover{color:var(--ink)}
.nav nav a.active{color:var(--ink);border-bottom-color:var(--accent)}

.theme-btn{
  appearance:none;border:1.5px solid var(--line);background:var(--surface);
  color:var(--ink);border-radius:999px;cursor:pointer;
  width:32px;height:32px;display:grid;place-items:center;flex:none;
  overflow:hidden;
  transition:border-color .2s var(--ease),background-color .45s var(--ease);
}
.theme-btn:hover{border-color:var(--accent)}
.theme-btn svg{width:15px;height:15px;display:block;grid-area:1/1;transition:transform .5s var(--ease),opacity .35s var(--ease)}
.icon-sun{opacity:0;transform:rotate(-90deg) scale(.4)}
.icon-moon{opacity:1;transform:none}
html[data-theme="dark"] .icon-moon{opacity:0;transform:rotate(90deg) scale(.4)}
html[data-theme="dark"] .icon-sun{opacity:1;transform:none}
@media (prefers-color-scheme:dark){
  html[data-theme="auto"] .icon-moon{opacity:0;transform:rotate(90deg) scale(.4)}
  html[data-theme="auto"] .icon-sun{opacity:1;transform:none}
}

/* ================= AVATAR (flies on an arc) ================= */
#avatar{
  position:fixed;left:0;top:0;z-index:25;
  width:var(--avatar-lg);height:var(--avatar-lg);
  border-radius:50%;overflow:hidden;
  background:var(--accent-soft);
  border:2px solid var(--line);
  display:grid;place-items:center;
  transform-origin:50% 50%;
  will-change:transform;
  backface-visibility:hidden;
  transition:background-color .45s var(--ease),border-color .45s var(--ease);
}
#avatar img{width:100%;height:100%;object-fit:cover;display:block}
#avatar .initials{
  font-family:var(--display);font-weight:700;color:var(--accent);
  letter-spacing:-.02em;line-height:1;font-size:40px;
}
#avatarSlot{
  width:var(--avatar-lg);height:var(--avatar-lg);
  margin:0 auto var(--s-4);
}

/* ================= HERO ================= */
.hero{
  padding-top:clamp(2.5rem,8vh,4.5rem);
  padding-bottom:clamp(2.5rem,7vh,4rem);
  text-align:center;
}
h1{
  font-family:var(--display);
  font-size:clamp(2.1rem,6vw,3.2rem);
  font-weight:700;line-height:1.12;letter-spacing:-.02em;
  margin:0 0 var(--s-3);
}
.lede{
  font-size:clamp(1.1rem,1.02rem + .45vw,1.3rem);
  line-height:1.6;max-width:34ch;
  margin:0 auto var(--s-2);color:var(--ink);
}
.sub{color:var(--gray);max-width:40ch;margin:0 auto var(--s-4)}
.links{display:flex;flex-wrap:wrap;gap:var(--s-1);justify-content:center}
.chip{
  font-size:.9rem;font-weight:500;text-decoration:none;color:var(--ink);
  border:1.5px solid var(--line);border-radius:999px;
  padding:.6rem 1.15rem;background:var(--surface);
  transition:border-color .2s var(--ease),background-color .45s var(--ease),color .45s var(--ease);
}
.chip:hover{border-color:var(--accent)}
.chip.primary{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.chip.primary:hover{opacity:.86}

/* ================= SECTION HEADS ================= */
.head{margin-bottom:var(--s-4)}
.head .kicker{
  font-family:var(--mono);font-size:.72rem;letter-spacing:.12em;
  text-transform:uppercase;color:var(--accent);
  display:block;margin-bottom:var(--s-1);
}
h2{
  font-family:var(--display);font-size:1.4rem;font-weight:600;
  letter-spacing:-.02em;line-height:1.3;margin:0;
}

/* ================= PROSE ================= */
.prose p{margin:0 0 var(--s-3);color:var(--gray);max-width:60ch}
.prose p:last-child{margin-bottom:0}

/* ================= VALUES ================= */
.values{display:grid;gap:var(--s-4)}
.value{display:grid;grid-template-columns:auto 1fr;gap:var(--s-3);align-items:start}
.value .num{font-family:var(--mono);font-size:.72rem;color:var(--faint);padding-top:.4rem}
.value h3{font-family:var(--display);font-size:1.05rem;font-weight:600;letter-spacing:-.01em;margin:0 0 .3rem;line-height:1.4}
.value p{margin:0;color:var(--gray);max-width:56ch}

/* Instrument Serif is a display face — it only reads as deliberate above
   ~22px, so the quote is set large and on a short measure to wrap into two
   or three lines. No decorative glyph: the size does the work. */
.quote{
  margin:var(--s-4) 0 0;padding:0 0 0 var(--s-3);
  border-left:2px solid var(--accent);max-width:30ch;
}
.quote p{
  font-family:var(--quote);font-style:italic;font-weight:400;
  font-size:clamp(1.35rem,3.2vw,1rem);line-height:1.25;letter-spacing:-.01em;
  color:var(--ink);margin:0 0 .6rem;text-wrap:balance;
}
.quote cite{
  font-family:var(--mono);font-size:.7rem;font-style:normal;
  letter-spacing:.04em;color:var(--faint);
}

/* ================= INTERESTS ================= */
.grid{display:grid;gap:var(--s-2);grid-template-columns:repeat(auto-fit,minmax(14.5rem,1fr))}
.tile{
  background:var(--surface);border:1px solid var(--line);border-radius:16px;
  padding:var(--s-3);
  transition:border-color .2s var(--ease),background-color .45s var(--ease);
}
.tile:hover{border-color:var(--accent)}
.tile .tag{
  font-family:var(--mono);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;
  color:var(--accent);display:block;margin-bottom:.4rem;
}
.tile p{margin:0;color:var(--gray);font-size:.95rem;line-height:1.6}

/* ================= ROLES ================= */
.roles{display:grid;gap:var(--s-3);margin-bottom:var(--s-4)}
.role{
  display:grid;grid-template-columns:7.5rem 1fr;gap:var(--s-3);align-items:baseline;
  padding-bottom:var(--s-3);border-bottom:1px solid var(--line);
}
.role:last-child{border-bottom:0;padding-bottom:0}
.role .yr{font-family:var(--mono);font-size:.78rem;color:var(--faint)}
.role strong{font-weight:600;display:block}

/* ================= CONTACT ================= */
.big-link{
  font-family:var(--display);font-weight:700;
  font-size:clamp(1.3rem,4.5vw,2rem);letter-spacing:-.02em;
  color:var(--ink);text-decoration:none;line-height:1.25;
  display:inline-block;margin-bottom:var(--s-4);
  border-bottom:3px solid var(--accent-soft);
  transition:border-color .2s var(--ease);
}
.big-link:hover{border-color:var(--accent)}
.contact .links{justify-content:flex-start}

/* ================= STATUS BAR ================= */
.status{
  position:fixed;left:0;right:0;bottom:0;z-index:20;
  display:flex;align-items:center;gap:.8rem;
  padding:.8rem var(--pad) calc(.8rem + env(safe-area-inset-bottom,0px));
  font-family:var(--mono);font-size:.76rem;color:var(--gray);
  background:var(--bar);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border-top:1px solid var(--line);
  transition:background-color .45s var(--ease),border-color .45s var(--ease);
}
.status .dot{width:8px;height:8px;border-radius:50%;background:var(--accent);flex:none;transition:background-color .45s var(--ease)}
.status .fact{
  flex:1;min-width:0;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;
  transition:opacity .4s var(--ease),transform .4s var(--ease);
}
.status .fact.out{opacity:0;transform:translateY(-6px)}
.status .push{margin-left:auto;flex:none;white-space:nowrap}

/* ================= MOTION / A11Y ================= */
.reveal{opacity:0;transform:translateY(10px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.in{opacity:1;transform:none}
a:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
.skip{position:absolute;left:-9999px}
.skip:focus{left:var(--pad);top:.75rem;background:var(--surface);padding:.6rem 1rem;z-index:30;border-radius:8px}

/* large desktops: let the content breathe a little wider */
@media (min-width:1600px){
  :root{--measure:46rem}
}
/* tablets: slightly tighter section rhythm */
@media (max-width:900px){
  :root{--s-6:clamp(2.5rem,5vw,3.25rem)}
}
@media (max-width:640px){
  .role{grid-template-columns:1fr;gap:.15rem}
  .nav nav{gap:.85rem}
  .grid{grid-template-columns:1fr}          /* tiles stack cleanly */
  .value{grid-template-columns:1fr;gap:.35rem}
  .value .num{padding-top:0}
  .status{font-size:.72rem;gap:.6rem}
}

/* narrow phones: the clock costs more room than it earns, so drop it and
   centre the rotating line with its dot instead of leaving it hard left */
@media (max-width:480px){
  .status{justify-content:center}
  .status .push{display:none}
  .status .fact{flex:0 1 auto;text-align:center}
}
@media (max-width:430px){
  .mark{display:none}
  .chip{padding:.55rem 1rem}
  h1{font-size:2rem}
}
/* short landscape phones: reclaim vertical space in the hero */
@media (max-height:520px) and (orientation:landscape){
  .hero{padding-top:1.5rem;padding-bottom:1.5rem}
  #avatarSlot{margin-bottom:1rem}
}
/* touch devices: hover states become active states */
@media (hover:none){
  .chip:active{border-color:var(--accent)}
  .tile:active{border-color:var(--accent)}
}
/* theme cross-fade timing for browsers with the View Transitions API */
::view-transition-old(root),::view-transition-new(root){
  animation-duration:.4s;
  animation-timing-function:var(--ease);
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}