/* ───────────────────────── tokens ───────────────────────── */
:root{
  --bg:        #E4E1D9;
  --bg-raised: #EFEDE7;
  --fg:        #191B1C;
  --fg-muted:  #5E5C55;
  --fg-faint:  #918D83;
  --rule:      rgba(25,27,28,.16);
  --rule-soft: rgba(25,27,28,.09);
  --accent:    #5F6B39;
  --accent-ink:#F2EDE2;

  /* fixed dark bands — identical in both themes */
  --ink:       #141517;
  --ink-2:     #1C1E20;
  --bone:      #F2EDE2;
  --bone-dim:  #A6A197;
  --moss:      #AEBB82;
  --ink-rule:  rgba(242,237,226,.15);

  --rail: 208px;
  --when: 168px;   /* left column of the work, project, skills and study rows */
  --gap: 44px;
  --max: 1120px;

  --f-display: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --f-body: "Newsreader", Georgia, "Times New Roman", serif;
  --f-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:        #131415;
    --bg-raised: #1B1D1E;
    --fg:        #E7E3D9;
    --fg-muted:  #A19C92;
    --fg-faint:  #7C776E;
    --rule:      rgba(231,227,217,.17);
    --rule-soft: rgba(231,227,217,.09);
    --accent:    #AEBB82;
    --accent-ink:#141517;
  }
}
:root[data-theme="dark"]{
  --bg:        #131415;
  --bg-raised: #1B1D1E;
  --fg:        #E7E3D9;
  --fg-muted:  #A19C92;
  --fg-faint:  #7C776E;
  --rule:      rgba(231,227,217,.17);
  --rule-soft: rgba(231,227,217,.09);
  --accent:    #AEBB82;
  --accent-ink:#141517;
}

/* ───────────────────────── base ───────────────────────── */
*{box-sizing:border-box}
body{
  background:var(--bg);
  color:var(--fg);
  font-family:var(--f-body);
  font-size:17px;
  line-height:1.62;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit}
::selection{background:var(--accent);color:var(--accent-ink)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

.wrap{max-width:var(--max);margin-inline:auto;padding-inline:24px}

.mono{
  font-family:var(--f-mono);
  font-size:11px;
  letter-spacing:.13em;
  text-transform:uppercase;
  font-weight:500;
}

h1,h2,h3{margin:0;font-family:var(--f-display);text-wrap:balance}

/* ───────────────────────── hero ───────────────────────── */
.hero{
  background:var(--ink);
  color:var(--bone);
  position:relative;
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;inset:0;
  background-image:
    repeating-linear-gradient(90deg, rgba(242,237,226,.05) 0 1px, transparent 1px 56px),
    repeating-linear-gradient(0deg,  rgba(242,237,226,.05) 0 1px, transparent 1px 56px);
  pointer-events:none;
}
.hero-inner{
  position:relative;
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:56px;
  align-items:center;
  padding-block:72px;
  min-height:0;
}
.hero-type{padding-bottom:0}

.eyebrow{color:var(--moss);display:block;margin-bottom:26px}
.eyebrow .dot{
  display:inline-block;width:6px;height:6px;border-radius:50%;
  background:var(--moss);margin-right:9px;vertical-align:2px;
}
h1{
  font-variation-settings:"wdth" 118,"wght" 700;
  font-size:clamp(2.55rem,7.4vw,5.1rem);
  line-height:.92;
  letter-spacing:-.005em;
  text-transform:uppercase;
}
h1 .surname{
  display:block;
  font-variation-settings:"wdth" 118,"wght" 350;
  color:var(--bone-dim);
}
.hero-rule{
  height:1px;background:var(--ink-rule);
  margin-block:32px 26px;
}
.lede{
  font-size:clamp(1.12rem,2.1vw,1.32rem);
  line-height:1.5;
  max-width:34ch;
  color:var(--bone);
}
.meta{
  display:flex;flex-wrap:wrap;gap:8px 22px;
  margin-top:30px;color:var(--bone-dim);
}
.meta span{white-space:nowrap}

.hero-photo{
  position:relative;
  margin:0;              /* <figure> defaults to 1em 40px */
  flex:none;
  width:clamp(200px,24vw,300px);
  aspect-ratio:1;
  border-radius:50%;
  overflow:hidden;
  box-shadow:0 0 0 1px var(--ink-rule);
}
.hero-photo img{
  width:100%;height:100%;
  object-fit:cover;object-position:50% 38%;
}

/* status strip */
.status{
  background:var(--ink-2);
  color:var(--bone);
  border-top:1px solid var(--ink-rule);
}
.status .wrap{
  display:flex;flex-wrap:wrap;gap:10px 28px;
  align-items:baseline;
  padding-block:16px;
}
.status .k{color:var(--moss)}
.status .v{color:var(--bone);letter-spacing:.06em}

/* ───────────────────────── nav ───────────────────────── */
.nav{
  position:sticky;top:0;z-index:20;
  background:var(--ink);
  border-bottom:1px solid var(--ink-rule);
}
.nav .wrap{
  display:flex;align-items:center;gap:26px;
  padding-block:13px;
  overflow-x:auto;
  overscroll-behavior-x:contain;
  scrollbar-width:none;-ms-overflow-style:none;
}
.nav .wrap::-webkit-scrollbar{display:none}
.nav a{
  color:var(--bone-dim);
  text-decoration:none;
  white-space:nowrap;
  padding-bottom:4px;
  border-bottom:1px solid transparent;
  transition:color .18s ease,border-color .18s ease;
}
.nav a:hover{color:var(--bone)}
.nav a[aria-current="true"]{color:var(--moss);border-bottom-color:var(--moss)}
.nav::after{ /* edge fade when the bar scrolls on narrow screens */
  content:"";position:absolute;top:0;bottom:1px;right:0;width:34px;
  background:linear-gradient(90deg,rgba(20,21,23,0),var(--ink));
  pointer-events:none;
}

/* ───────────────────────── sections ───────────────────────── */
section{border-top:1px solid var(--rule-soft)}
section,footer.contact{scroll-margin-top:52px}
.sec{
  display:grid;
  grid-template-columns:var(--rail) minmax(0,1fr);
  gap:var(--gap);
  padding-block:72px;
}
h2{
  font-variation-settings:"wdth" 110,"wght" 600;
  font-size:clamp(1.32rem,2.4vw,1.7rem);
  line-height:1.08;
  text-transform:uppercase;
  letter-spacing:.008em;
  padding-top:3px;
}
.prose{max-width:62ch}
.prose p{margin:0 0 1.05em}
.prose p:last-child{margin-bottom:0}

/* ───────────────────────── history ───────────────────────── */
.track{display:flex;flex-direction:column}
.leg{
  display:grid;
  grid-template-columns:var(--when) minmax(0,1fr);
  gap:24px;
  padding-block:22px;
  border-top:1px solid var(--rule-soft);
}
.leg:first-child{border-top:0;padding-top:0}
.leg .when{color:var(--fg-faint);padding-top:6px}
.leg h3{
  font-variation-settings:"wdth" 100,"wght" 600;
  font-size:1.04rem;letter-spacing:.01em;
  text-transform:uppercase;
  margin-bottom:6px;
}
.leg p{margin:0;color:var(--fg-muted);max-width:58ch}
.leg.pivot h3{color:var(--accent)}
.leg.pivot p{
  border-left:2px solid var(--accent);
  padding-left:18px;
  color:var(--fg);
}

/* ───────────────────────── projects ───────────────────────── */
.projects{display:flex;flex-direction:column}
.proj{
  display:grid;
  grid-template-columns:var(--when) minmax(0,1fr);
  gap:24px;
  padding:26px 20px 26px 16px;
  margin-left:-16px;
  border-top:1px solid var(--rule-soft);
  border-left:2px solid transparent;
  transition:background .22s ease, border-color .22s ease;
}
.proj:first-child{border-top:0}
.proj:hover{background:var(--bg-raised);border-left-color:var(--accent)}
.proj .when{color:var(--fg-faint);padding-top:6px}
.proj h3{
  font-variation-settings:"wdth" 104,"wght" 600;
  font-size:1.24rem;line-height:1.16;
  text-transform:uppercase;letter-spacing:.005em;
  margin-bottom:9px;
}
.proj p{margin:0;color:var(--fg-muted);max-width:60ch}
.proj .caveat{
  display:block;margin-top:8px;
  font-family:var(--f-mono);font-size:11px;letter-spacing:.1em;
  text-transform:uppercase;color:var(--fg-faint);
}
.links{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.links a{
  font-family:var(--f-mono);font-size:11px;
  letter-spacing:.12em;text-transform:uppercase;font-weight:500;
  text-decoration:none;
  border:1px solid var(--rule);
  padding:7px 13px;
  color:var(--fg-muted);
  transition:color .18s ease,border-color .18s ease,background .18s ease;
}
.links a:hover{color:var(--accent-ink);background:var(--accent);border-color:var(--accent)}

/* ───────────────────────── skills ───────────────────────── */
.caps{display:flex;flex-direction:column;gap:26px}
.cap-group{
  display:grid;
  grid-template-columns:var(--when) minmax(0,1fr);
  gap:24px;
  align-items:start;
}
.cap-group > .mono{color:var(--fg-faint);padding-top:5px}
.tags{display:flex;flex-wrap:wrap;gap:7px}
.tags span{
  font-family:var(--f-mono);font-size:12px;letter-spacing:.02em;
  border:1px solid var(--rule);
  padding:5px 11px;
  color:var(--fg);
}
.tags span.key{border-color:var(--accent);color:var(--accent)}

/* ───────────────────────── education ───────────────────────── */
.study{display:flex;flex-direction:column}
.item{
  display:grid;
  grid-template-columns:var(--when) minmax(0,1fr);
  gap:24px;
  padding-block:17px;
  border-top:1px solid var(--rule-soft);
}
.item:first-child{border-top:0;padding-top:0}
.item .when{color:var(--fg-faint);padding-top:4px}
.item .what{font-size:1.02rem}
.item .who{display:block;color:var(--fg-faint);font-size:.92rem}

/* ───────────────────────── personal ───────────────────────── */
.facts{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(248px,1fr));
  gap:0 44px;
}
.fact{padding-block:15px;border-top:1px solid var(--rule-soft)}
.fact dt{color:var(--fg-faint);margin-bottom:5px}
.fact dd{margin:0;color:var(--fg);line-height:1.45}

/* ───────────────────────── contact ───────────────────────── */
.contact{background:var(--ink);color:var(--bone);border-top:0}
.contact h2{color:var(--bone)}
.reach{display:flex;flex-direction:column;border-top:1px solid var(--ink-rule)}
.reach a{
  display:flex;align-items:baseline;gap:16px;flex-wrap:wrap;
  text-decoration:none;
  padding-block:14px;
  border-bottom:1px solid var(--ink-rule);
  transition:padding-left .2s ease,color .2s ease;
}
.reach a:hover{padding-left:12px;color:var(--moss)}
.reach .label{
  font-family:var(--f-mono);font-size:11px;letter-spacing:.13em;
  text-transform:uppercase;color:var(--bone-dim);
  width:104px;flex:none;
}
.reach .val{
  font-family:var(--f-display);
  font-variation-settings:"wdth" 100,"wght" 500;
  font-size:clamp(1rem,2.2vw,1.2rem);
  letter-spacing:.005em;
  word-break:break-word;
}
.colophon{
  border-top:1px solid var(--ink-rule);
  color:var(--bone-dim);
  padding-block:20px 30px;
}

/* ───────────────────────── responsive ───────────────────────── */
@media (max-width:940px){
  .hero-inner{grid-template-columns:1fr;gap:30px;padding-block:52px}
  .hero-photo{grid-row:1;width:clamp(140px,26vw,190px)}
  .sec{grid-template-columns:1fr;gap:22px;padding-block:56px}
  h2{padding-top:0}
}
@media (max-width:620px){
  body{font-size:16px}
  .wrap{padding-inline:20px}
  h1{font-size:clamp(1.95rem,9.6vw,2.9rem);font-variation-settings:"wdth" 104,"wght" 700}
  h1 .surname{font-variation-settings:"wdth" 104,"wght" 350}
  .hero-inner{padding-block:40px;gap:24px}
  .hero-photo{width:132px}
  .eyebrow{margin-bottom:20px}
  .hero-rule{margin-block:26px 22px}
  .lede{max-width:none}
  .meta{margin-top:22px}
  .status .wrap{display:block;padding-block:14px}
  .status .k{display:block;margin-bottom:4px}
  .status .v{letter-spacing:.04em;line-height:1.5}
  .nav .wrap{gap:20px;padding-inline:20px}
  .sec{padding-block:44px;gap:18px}
  .leg,.proj,.cap-group,.item{grid-template-columns:1fr;gap:8px}
  .leg .when:empty{display:none}
  .leg{padding-block:20px}
  .proj{padding:20px 14px;margin-left:-14px}
  .leg .when,.item .when,.proj .when{padding-top:0}
  .leg p,.proj p{max-width:none}
  .leg.pivot p{padding-left:14px}
  .cap-group{gap:12px}
  .facts{gap:0}
  /* label above value: an email address and a label do not share a phone line */
  .reach a{
    flex-direction:column;align-items:flex-start;
    gap:5px;padding-block:15px;
  }
  .reach a:hover{padding-left:0}
  .reach .label{width:auto}
  .reach .val{font-size:1rem;line-height:1.3}
}

/* ───────────────────────── motion ───────────────────────── */
@media (prefers-reduced-motion: no-preference){
  html{scroll-behavior:smooth}
  @keyframes rise{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
  @keyframes wipe{from{transform:scaleX(0)}to{transform:none}}
  @keyframes fade{from{opacity:0}to{opacity:1}}
  .hero .eyebrow{animation:rise .5s cubic-bezier(.2,.7,.3,1) backwards}
  .hero h1{animation:rise .56s cubic-bezier(.2,.7,.3,1) 80ms backwards}
  .hero-rule{animation:wipe .5s cubic-bezier(.2,.7,.3,1) 220ms backwards;transform-origin:left}
  .hero .lede{animation:rise .5s cubic-bezier(.2,.7,.3,1) 280ms backwards}
  .hero .meta{animation:rise .5s cubic-bezier(.2,.7,.3,1) 350ms backwards}
  .hero-photo{animation:fade .7s ease 140ms backwards}
}

/* ───────────────────────── language toggle ───────────────────────── */
/* The nav bar is now two parts: the section links scroll sideways on narrow
   screens, the language toggle stays pinned on the right. */
.nav .wrap{gap:0;overflow:visible}
.nav-links{
  display:flex;align-items:center;gap:26px;
  flex:1;min-width:0;
  overflow-x:auto;
  overscroll-behavior-x:contain;
  scrollbar-width:none;-ms-overflow-style:none;
  padding-right:34px;
}
.nav-links::-webkit-scrollbar{display:none}
.nav-links .short{display:none}
.nav-actions{display:flex;align-items:center;flex:none}
.lang,.nav-extra{
  position:relative;
  flex:none;display:flex;align-items:center;gap:12px;
  padding-left:16px;
  border-left:1px solid var(--ink-rule);
}
.nav-extra{padding-right:14px}
.nav-extra a{color:var(--moss);border-bottom-color:transparent}
.nav-extra a:hover{color:var(--moss);border-bottom-color:var(--moss)}
.nav-extra a[aria-current="page"]{border-bottom-color:var(--moss)}
.nav-extra .dot{
  display:inline-block;width:6px;height:6px;border-radius:50%;
  background:var(--moss);margin-right:8px;vertical-align:1px;
}
@media (prefers-reduced-motion: no-preference){
  @keyframes live{0%,100%{opacity:1}50%{opacity:.35}}
  .nav-extra .dot{animation:live 2.4s ease-in-out infinite}
}
.lang a{border-bottom-color:transparent}
.lang a[aria-current="page"]{color:var(--moss);border-bottom-color:transparent}
.lang::before,.nav-extra::before{ /* edge fade where the scrolling links run under it */
  content:"";position:absolute;right:100%;top:-13px;bottom:-14px;width:34px;
  background:linear-gradient(90deg,rgba(20,21,23,0),var(--ink));
  pointer-events:none;
}
.nav::after{display:none}
.nav-extra + .lang::before{display:none}

/* ───────────────────── Cyrillic: Archivo and Newsreader have no Cyrillic ─── */
html[lang="ru"]{
  --f-display:"Golos Text","Archivo","Helvetica Neue",Arial,sans-serif;
  --f-body:"Literata",Georgia,"Times New Roman",serif;
}
html[lang="ru"] h1{font-size:clamp(2.3rem,6.6vw,4.5rem)}

/* ── theme toggle ── */
.theme{
  flex:none;display:flex;align-items:center;
  padding-left:14px;
  border-left:1px solid var(--ink-rule);
}
.theme-btn{
  appearance:none;background:none;border:0;padding:4px;margin:0;
  display:flex;align-items:center;
  color:var(--bone-dim);cursor:pointer;
  transition:color .18s ease;
}
.theme-btn:hover{color:var(--bone)}
.theme-btn svg{
  width:15px;height:15px;display:block;
  fill:none;stroke:currentColor;stroke-width:1.7;
  stroke-linecap:round;stroke-linejoin:round;
}
/* show the icon of the theme you would switch to -- same rule shape as the tokens */
.theme-btn .sun{display:none}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]) .theme-btn .moon{display:none}
  :root:not([data-theme="light"]) .theme-btn .sun{display:block}
}
:root[data-theme="dark"] .theme-btn .moon{display:none}
:root[data-theme="dark"] .theme-btn .sun{display:block}
:root[data-theme="light"] .theme-btn .moon{display:block}
:root[data-theme="light"] .theme-btn .sun{display:none}

@media (max-width:620px){
  /* Two rows instead of a sideways scroller: every section stays one tap away.
     display:contents lets the links wrap together with the twin and the theme
     in the bar's own flex flow. */
  .nav .wrap{flex-wrap:wrap;row-gap:9px;column-gap:12px;overflow:visible;padding-block:11px}
  .nav-links{display:contents}
  .nav-links .full{display:none}
  .nav-links .short{display:inline}
  .nav a{letter-spacing:.1em;padding-bottom:3px}
  .theme{padding-left:7px}
  .theme-btn{padding:3px}
  .lang{gap:10px;padding-left:12px}
  /* the bar is narrow: the pulsing dot carries "live", the word goes */
  .nav-extra{padding-left:9px}
  .nav-extra .dot{margin-right:6px}
  .nav-extra .live{display:none}
  .nav-extra::before{display:none}   /* nothing scrolls, so nothing to fade */
}

/* ───────────────────────── digital twin ───────────────────────── */
/* Follows the theme: the ink bands are the hero and the contact footer, the
   ends of the page. A dark block mid-page splits the light theme in half. */
.twin{
  background:var(--bg-raised);
  border-top:1px solid var(--rule-soft);
}
.twin .wrap{
  display:grid;
  grid-template-columns:var(--rail) minmax(0,1fr);
  gap:var(--gap);
  padding-block:72px;
}
/* body type, like the hero lede -- the heading carries the display font */
.twin-line{
  margin:0 0 14px;
  font-size:clamp(1.12rem,2.1vw,1.34rem);
  line-height:1.5;
  max-width:40ch;
}
.twin-note{margin:0;color:var(--fg-muted);max-width:60ch}
.twin-cta{
  display:inline-flex;align-items:center;gap:10px;
  margin-top:24px;
  font-family:var(--f-mono);font-size:11px;
  letter-spacing:.13em;text-transform:uppercase;font-weight:500;
  text-decoration:none;
  border:1px solid var(--accent);color:var(--accent);
  padding:12px 18px;
  transition:background .18s ease,color .18s ease;
}
.twin-cta:hover{background:var(--accent);color:var(--accent-ink)}
.twin-cta .arrow{transition:transform .18s ease}
.twin-cta:hover .arrow{transform:translateX(3px)}

/* ───────────────────────── avatar page ───────────────────────── */
.page-avatar{
  min-height:100vh;
  min-height:100dvh;
  display:flex;flex-direction:column;
  background:var(--ink);
}
.page-avatar .nav{position:static}
.avatar-frame{
  position:relative;
  flex:1 1 auto;
  min-height:0;
  background:var(--ink);
}
.avatar-frame iframe{
  position:absolute;inset:0;
  width:100%;height:100%;
  border:0;display:block;
}
.avatar-fallback .twin-cta{border-color:var(--moss);color:var(--moss)}
.avatar-fallback .twin-cta:hover{background:var(--moss);color:var(--ink)}
.avatar-fallback{
  position:absolute;inset:0;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:6px;padding:24px;text-align:center;
  color:var(--bone-dim);
}
.nav-extra .out{margin-left:5px;font-size:10px;vertical-align:1px}

@media (max-width:940px){
  .twin .wrap{grid-template-columns:1fr;gap:22px;padding-block:56px}
  .twin h2{padding-top:0}
}
@media (max-width:620px){
  .twin .wrap{padding-block:44px;gap:18px}
  .twin-line{max-width:none}
  .twin-cta{margin-top:20px}
}