/* ===================== TOKENS ===================== */
:root{
  --bg:#0F1215;
  --bg-elev:#171B1F;
  --bg-elev-2:#1D2226;
  --text:#EDEAE3;
  --text-dim:#9B9E9F;
  --accent:#E8A33D;
  --accent-2:#5FD9C0;
  --border:rgba(237,234,227,0.12);
  --border-strong:rgba(237,234,227,0.22);
  --shadow: 0 20px 60px rgba(0,0,0,0.35);
  --radius-s: 10px;
  --radius-m: 18px;
  --radius-l: 28px;
  --maxw: 1180px;
}
html[data-theme="light"]{
  --bg:#F5F3EE;
  --bg-elev:#FFFFFF;
  --bg-elev-2:#ECE8DF;
  --text:#14171A;
  --text-dim:#5B5E60;
  --accent:#C97C1F;
  --accent-2:#1E9E86;
  --border:rgba(20,23,26,0.12);
  --border-strong:rgba(20,23,26,0.22);
  --shadow: 0 20px 50px rgba(20,23,26,0.08);
}

*,*::before,*::after{ box-sizing: border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Inter",sans-serif;
  font-size:16px;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
  transition:background .3s ease, color .3s ease;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ list-style:none; margin:0; padding:0; }
button{ font-family:inherit; cursor:pointer; }

h1,h2,h3{
  font-family:"Space Grotesk",sans-serif;
  font-weight:600;
  letter-spacing:-0.01em;
  margin:0;
}
.mono{
  font-family:"JetBrains Mono", monospace;
}
.wrap{
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 24px;
}
.eyebrow{
  font-family:"JetBrains Mono", monospace;
  font-size:13px;
  letter-spacing:0.04em;
  color:var(--accent);
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-bottom:16px;
}
.eyebrow::before{
  content:"";
  width:7px;height:7px;
  border-radius:50%;
  background:var(--accent-2);
  box-shadow:0 0 0 3px color-mix(in srgb, var(--accent-2) 25%, transparent);
  flex:none;
}
.section{ padding:96px 0; border-top:1px solid var(--border); }
.section-head{ max-width:640px; margin-bottom:56px; }
.section-title{ font-size:clamp(28px,4vw,40px); }
.section-desc{ color:var(--text-dim); margin-top:14px; font-size:16px; max-width:52ch; }

/* ===================== NAV ===================== */
.nav{
  position:sticky; top:0; z-index:50;
  backdrop-filter:blur(14px) saturate(140%);
  background:color-mix(in srgb, var(--bg) 78%, transparent);
  border-bottom:1px solid var(--border);
}
.nav__row{
  display:flex; align-items:center; justify-content:space-between;
  height:72px;
}
.nav__logo{
  font-family:"Space Grotesk",sans-serif;
  font-weight:700; font-size:18px;
  display:flex; align-items:center; gap:10px;
}
.nav__logo .dot{
  width:9px;height:9px;border-radius:50%;
  background:var(--accent-2);
  box-shadow:0 0 0 4px color-mix(in srgb, var(--accent-2) 20%, transparent);
}
.nav__links{
  display:flex; gap:32px;
  font-size:14.5px;
}
.nav__links a{ color:var(--text-dim); transition:color .2s; }
.nav__links a:hover{ color:var(--text); }
.nav__controls{ display:flex; align-items:center; gap:10px; }
.ctrl-btn{
  background:var(--bg-elev);
  border:1px solid var(--border);
  color:var(--text);
  border-radius:100px;
  padding:7px 14px;
  font-size:12.5px;
  font-family:"JetBrains Mono", monospace;
  display:flex; align-items:center; gap:6px;
  transition:border-color .2s, background .2s;
}
.ctrl-btn:hover{ border-color:var(--border-strong); }
.ctrl-btn:focus-visible, a:focus-visible, button:focus-visible{
  outline:2px solid var(--accent-2);
  outline-offset:3px;
}
.nav__burger{
  display:none;
  background:none; border:1px solid var(--border);
  border-radius:8px; padding:8px 10px; color:var(--text);
  align-items:center; justify-content:center;
}
.nav__burger svg{ width:18px; height:18px; display:block; }

@media (max-width:840px){
  .nav__links{ display:none; }
  .nav__burger{ display:flex; }
}

/* mobile overlay menu */
.mobile-menu{
  position:fixed; inset:0; z-index:80;
  background:var(--bg);
  display:flex; flex-direction:column;
  transform:translateY(-100%);
  transition:transform .32s cubic-bezier(.23,.65,.32,1);
  visibility:hidden;
}
.mobile-menu.is-open{ transform:translateY(0); visibility:visible; }
.mobile-menu__top{
  height:72px; display:flex; align-items:center; justify-content:space-between;
  padding:0 24px; border-bottom:1px solid var(--border);
  flex:none;
}
.mobile-menu__close{
  background:none; border:1px solid var(--border); border-radius:8px;
  padding:8px 10px; color:var(--text); display:flex; align-items:center;
}
.mobile-menu__close svg{ width:18px; height:18px; }
.mobile-menu__links{
  display:flex; flex-direction:column;
  padding:24px;
  gap:4px;
  overflow-y:auto;
}
.mobile-menu__links a{
  font-family:"Space Grotesk",sans-serif;
  font-size:28px;
  font-weight:600;
  padding:16px 4px;
  border-bottom:1px solid var(--border);
  display:flex; align-items:center; justify-content:space-between;
  color:var(--text);
}
.mobile-menu__links a .n{
  font-family:"JetBrains Mono", monospace;
  font-size:13px; color:var(--text-dim); font-weight:400;
}
.mobile-menu__foot{
  margin-top:auto; padding:24px; border-top:1px solid var(--border);
  display:flex; gap:10px; flex:none;
}

/* ===================== HERO ===================== */
.hero{
  padding:88px 0 72px;
  position:relative;
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute; inset:0;
  background:
    radial-gradient(560px 320px at 85% -10%, color-mix(in srgb, var(--accent) 16%, transparent), transparent 70%),
    radial-gradient(480px 300px at 0% 110%, color-mix(in srgb, var(--accent-2) 12%, transparent), transparent 70%);
  pointer-events:none;
}
.hero__grid{
  position:relative;
  display:grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap:56px;
  align-items:center;
}
@media (max-width:900px){
  .hero__grid{ grid-template-columns:1fr; }
}
.hero__name{
  font-size:clamp(40px,6.2vw,72px);
  line-height:1.02;
}
.hero__role{
  color:var(--text-dim);
  font-size:clamp(17px,2vw,20px);
  margin-top:20px;
  max-width:44ch;
}
.hero__role strong{ color:var(--text); font-weight:600; }

.hero__cta{ display:flex; gap:14px; margin-top:36px; flex-wrap:wrap; }
.btn{
  display:inline-flex; align-items:center; gap:8px;
  padding:13px 24px;
  border-radius:100px;
  font-size:14.5px;
  font-weight:600;
  border:1px solid transparent;
  transition:transform .18s ease, background .2s, border-color .2s;
}
.btn:hover{ transform:translateY(-2px); }
.btn--primary{ background:var(--accent); color:#fff; }
.btn--ghost{ border-color:var(--border-strong); color:var(--text); background:transparent; }

/* status strip — signature element */
.stack{
  margin-top:52px;
  border:1px solid var(--border);
  border-radius:var(--radius-m);
  background:var(--bg-elev);
  padding:20px 22px;
  overflow:hidden;
}
.stack__label{
  font-family:"JetBrains Mono", monospace;
  font-size:11.5px;
  color:var(--text-dim);
  letter-spacing:.05em;
  margin-bottom:14px;
  display:flex; align-items:center; gap:8px;
}
.stack__label .pulse{
  width:6px;height:6px;border-radius:50%;
  background:var(--accent-2);
  animation:pulse 2s ease-in-out infinite;
}
@keyframes pulse{
  0%,100%{ opacity:1; box-shadow:0 0 0 0 color-mix(in srgb, var(--accent-2) 45%, transparent); }
  50%{ opacity:.55; box-shadow:0 0 0 6px transparent; }
}
.stack__row{
  display:flex; align-items:center; flex-wrap:wrap;
  gap:0;
  font-family:"JetBrains Mono", monospace;
  font-size:13.5px;
}
.stack__node{
  padding:7px 13px;
  background:var(--bg-elev-2);
  border:1px solid var(--border);
  border-radius:8px;
  color:var(--text);
  white-space:nowrap;
}
.stack__arrow{
  color:var(--text-dim);
  padding:0 8px;
}

/* portrait / avatar block */
.hero__card{
  border:1px solid var(--border);
  border-radius:var(--radius-l);
  background:var(--bg-elev);
  padding:28px;
  box-shadow:var(--shadow);
}
.hero__avatar{
  aspect-ratio:1/1;
  border-radius:var(--radius-m);
  background:
    linear-gradient(155deg, color-mix(in srgb, var(--accent) 30%, var(--bg-elev-2)), var(--bg-elev-2) 60%);
  display:flex; align-items:center; justify-content:center;
  font-family:"Space Grotesk",sans-serif;
  font-size:64px;
  font-weight:700;
  color:color-mix(in srgb, var(--text) 85%, transparent);
  border:1px solid var(--border);
}
.hero__meta{
  margin-top:20px;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:14px;
  font-size:13px;
}
.hero__meta div span{ display:block; }
.hero__meta .k{ color:var(--text-dim); font-family:"JetBrains Mono",monospace; font-size:11.5px; margin-bottom:4px; }
.hero__meta .v{ font-weight:600; }

/* ===================== ABOUT ===================== */
.about__grid{
  display:grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap:64px;
}
@media (max-width:840px){ .about__grid{ grid-template-columns:1fr; gap:32px; } }
.about__text p{ color:var(--text-dim); margin:0 0 18px; }
.about__text p:last-child{ margin-bottom:0; }
.about__text strong{ color:var(--text); font-weight:600; }
.about__facts{
  display:grid;
  gap:1px;
  background:var(--border);
  border:1px solid var(--border);
  border-radius:var(--radius-m);
  overflow:hidden;
}
.about__fact{
  background:var(--bg-elev);
  padding:20px 22px;
  display:flex;
  justify-content:space-between;
  gap:20px;
  font-size:14.5px;
}
.about__fact .f-label{ color:var(--text-dim); }
.about__fact .f-val{ font-weight:600; text-align:right; }

/* ===================== SKILLS ===================== */
.skills__grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:20px;
}
@media (max-width:700px){ .skills__grid{ grid-template-columns:1fr; } }
.skill-card{
  border:1px solid var(--border);
  border-radius:var(--radius-m);
  padding:26px;
  background:var(--bg-elev);
}
.skill-card__title{
  font-family:"JetBrains Mono", monospace;
  font-size:12.5px;
  letter-spacing:.04em;
  color:var(--accent-2);
  margin-bottom:16px;
}
.pill-row{ display:flex; flex-wrap:wrap; gap:8px; }
.pill{
  padding:7px 12px;
  border-radius:100px;
  background:var(--bg-elev-2);
  border:1px solid var(--border);
  font-size:13px;
}

/* ===================== SERVICES ===================== */
.services__grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
}
@media (max-width:900px){ .services__grid{ grid-template-columns:1fr; } }
.plan{
  border:1px solid var(--border);
  border-radius:var(--radius-m);
  padding:30px 26px;
  background:var(--bg-elev);
  display:flex; flex-direction:column;
  position:relative;
}
.plan--highlight{
  border-color:var(--accent);
  background:linear-gradient(180deg, color-mix(in srgb, var(--accent) 8%, var(--bg-elev)), var(--bg-elev) 60%);
}
.plan__tag{
  position:absolute; top:-12px; right:24px;
  background:var(--accent); color:#fff;
  font-family:"JetBrains Mono",monospace;
  font-size:11px; font-weight:600;
  padding:4px 10px; border-radius:100px;
}
.plan__name{ font-size:19px; margin-bottom:8px; }
.plan__price{
  font-family:"JetBrains Mono", monospace;
  font-size:26px;
  color:var(--accent);
  margin:6px 0 18px;
}
.plan__price small{ font-size:13px; color:var(--text-dim); font-weight:400; }
.plan ul{ display:flex; flex-direction:column; gap:10px; margin-bottom:26px; flex:1; }
.plan li{
  font-size:14px; color:var(--text-dim);
  padding-left:20px; position:relative;
}
.plan li::before{
  content:"→";
  position:absolute; left:0; color:var(--accent-2);
  font-family:"JetBrains Mono",monospace;
}
.plan .btn{ justify-content:center; width:100%; }

/* ===================== CASES ===================== */
.cases__grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
}
@media (max-width:840px){ .cases__grid{ grid-template-columns:1fr; } }
.case{
  border:1px solid var(--border);
  border-radius:var(--radius-m);
  background:var(--bg-elev);
  overflow:hidden;
  transition:border-color .2s, transform .2s;
}
.case:hover{ border-color:var(--border-strong); transform:translateY(-3px); }
.case__cover{
  aspect-ratio:16/10;
  position:relative;
  display:flex; align-items:flex-end;
  padding:20px;
  overflow:hidden;
}
.case__cover::before{
  content:"";
  position:absolute; inset:0;
  background-image:var(--cover-img, none);
  background-size:cover; background-position:center;
  opacity:.9;
}
.case__cover::after{
  content:"";
  position:absolute; inset:0;
  background:linear-gradient(180deg, transparent 40%, rgba(0,0,0,0.55) 100%);
}
.case__cover-label{
  position:relative; z-index:1;
  font-family:"JetBrains Mono", monospace;
  font-size:12px;
  color:#fff;
  background:rgba(0,0,0,0.35);
  border:1px solid rgba(255,255,255,0.25);
  padding:5px 10px;
  border-radius:100px;
  backdrop-filter:blur(6px);
}
.case__body{ padding:22px; }
.case__top{ display:flex; justify-content:space-between; align-items:flex-start; gap:12px; margin-bottom:10px; }
.case__title{ font-size:18px; }
.case__link{
  font-family:"JetBrains Mono", monospace;
  font-size:12px;
  color:var(--accent-2);
  flex:none;
  white-space:nowrap;
}
.case__desc{ color:var(--text-dim); font-size:14.5px; margin-bottom:14px; }
.case__stack{ display:flex; flex-wrap:wrap; gap:6px; }
.case__stack span{
  font-size:12px;
  font-family:"JetBrains Mono", monospace;
  color:var(--text-dim);
  background:var(--bg-elev-2);
  padding:4px 9px;
  border-radius:6px;
}
.cases__note{
  margin-top:24px;
  font-size:13px;
  color:var(--text-dim);
  border:1px dashed var(--border-strong);
  border-radius:var(--radius-s);
  padding:14px 16px;
}

/* ===================== BLOG ===================== */
.blog__head-row{
  display:flex; justify-content:space-between; align-items:flex-end;
  gap:20px; margin-bottom:56px;
}
.blog__head-row .section-head{ margin-bottom:0; }
.blog__grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
}
@media (max-width:900px){ .blog__grid{ grid-template-columns:1fr; } }
.article-card{
  border:1px solid var(--border);
  border-radius:var(--radius-m);
  background:var(--bg-elev);
  padding:24px;
  display:flex; flex-direction:column; gap:14px;
  transition:border-color .2s, transform .2s;
}
.article-card:hover{ border-color:var(--border-strong); transform:translateY(-3px); }
.article-card__meta{
  display:flex; align-items:center; gap:10px;
  font-family:"JetBrains Mono", monospace;
  font-size:12px; color:var(--text-dim);
}
.article-card__meta .tag{ color:var(--accent-2); }
.article-card__title{ font-size:17px; line-height:1.3; }
.article-card__excerpt{ color:var(--text-dim); font-size:14px; flex:1; }
.article-card__read{
  font-family:"JetBrains Mono", monospace;
  font-size:12.5px; color:var(--accent);
  display:inline-flex; align-items:center; gap:6px;
}

/* ===================== PROJECTS ===================== */
.projects__grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:20px;
}
@media (max-width:840px){ .projects__grid{ grid-template-columns:1fr; } }
.project{
  border:1px solid var(--border);
  border-radius:var(--radius-m);
  padding:26px;
  background:var(--bg-elev);
  transition:border-color .2s, transform .2s;
}
.project:hover{ border-color:var(--border-strong); transform:translateY(-3px); }
.project__top{
  display:flex; justify-content:space-between; align-items:flex-start;
  gap:12px; margin-bottom:14px;
}
.project__title{ font-size:18px; }
.project__tag{
  font-family:"JetBrains Mono", monospace;
  font-size:11.5px;
  white-space:nowrap;
  padding:5px 10px;
  border-radius:100px;
  border:1px solid var(--border-strong);
  color:var(--accent-2);
  flex:none;
}
.project__desc{ color:var(--text-dim); font-size:14.5px; margin-bottom:16px; }
.project__stack{ display:flex; flex-wrap:wrap; gap:6px; }
.project__stack span{
  font-size:12px;
  font-family:"JetBrains Mono", monospace;
  color:var(--text-dim);
  background:var(--bg-elev-2);
  padding:4px 9px;
  border-radius:6px;
}

/* ===================== CONTACT ===================== */
.contact__grid{
  display:grid;
  grid-template-columns:1fr 0.85fr;
  gap:48px;
}
@media (max-width:900px){ .contact__grid{ grid-template-columns:1fr; } }
.form{
  display:flex; flex-direction:column; gap:16px;
}
.form label{
  font-family:"JetBrains Mono", monospace;
  font-size:12px;
  color:var(--text-dim);
  margin-bottom:6px;
  display:block;
}
.form input, .form textarea{
  width:100%;
  background:var(--bg-elev);
  border:1px solid var(--border);
  border-radius:var(--radius-s);
  padding:13px 14px;
  color:var(--text);
  font-family:"Inter",sans-serif;
  font-size:14.5px;
  transition:border-color .2s;
}
.form input:focus, .form textarea:focus{
  outline:none; border-color:var(--accent-2);
}
.form textarea{ resize:vertical; min-height:120px; }
.form .btn{ align-self:flex-start; border:none; }
.form-note{ font-size:12.5px; color:var(--text-dim); margin-top:-4px; }

.contact__direct{
  border:1px solid var(--border);
  border-radius:var(--radius-m);
  background:var(--bg-elev);
  padding:28px;
  display:flex; flex-direction:column; gap:22px;
  height:fit-content;
}
.direct-item .k{
  font-family:"JetBrains Mono", monospace;
  font-size:11.5px; color:var(--text-dim);
  margin-bottom:6px;
}
.direct-item .v{
  font-size:16px; font-weight:600;
}
.direct-item a.v:hover{ color:var(--accent); }

/* ===================== FOOTER ===================== */
.footer{
  border-top:1px solid var(--border);
  padding:32px 0;
}
.footer__row{
  display:flex; justify-content:space-between; align-items:center;
  flex-wrap:wrap; gap:12px;
  font-family:"JetBrains Mono", monospace;
  font-size:12.5px;
  color:var(--text-dim);
}
.to-top{
  border:1px solid var(--border);
  border-radius:8px;
  padding:6px 10px;
  color:var(--text-dim);
}
.to-top:hover{ color:var(--text); }

/* i18n visibility */
[data-lang]{ display:none; }
html[lang="ru"] [data-lang="ru"]{ display:revert; }
html[lang="en"] [data-lang="en"]{ display:revert; }
span[data-lang], strong[data-lang]{ display:none; }
html[lang="ru"] span[data-lang="ru"], html[lang="ru"] strong[data-lang="ru"]{ display:inline; }
html[lang="en"] span[data-lang="en"], html[lang="en"] strong[data-lang="en"]{ display:inline; }

@media (prefers-reduced-motion: reduce){
  *{ animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; scroll-behavior:auto !important; }
}

/* ===================== BLOG LISTING PAGE ===================== */
.blog-hero{
  padding:64px 0 40px;
}
.blog-hero__title{ font-size:clamp(32px,5vw,52px); }
.blog-hero__desc{ color:var(--text-dim); margin-top:16px; max-width:56ch; }

.blog-filters{
  display:flex; flex-wrap:wrap; gap:8px;
  margin-bottom:40px;
}
.blog-filter{
  font-family:"JetBrains Mono", monospace;
  font-size:12.5px;
  padding:8px 14px;
  border-radius:100px;
  border:1px solid var(--border);
  background:var(--bg-elev);
  color:var(--text-dim);
}
.blog-filter.is-active{
  color:#14171A;
  background:var(--accent);
  border-color:var(--accent);
}
.blog-list__grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
}
@media (max-width:900px){ .blog-list__grid{ grid-template-columns:1fr; } }

/* ===================== ARTICLE PAGE ===================== */
.article-hero{ padding:56px 0 24px; }
.article-hero__back{
  font-family:"JetBrains Mono", monospace;
  font-size:12.5px; color:var(--text-dim);
  display:inline-flex; gap:6px; margin-bottom:28px;
}
.article-hero__back:hover{ color:var(--text); }
.article-hero__title{ font-size:clamp(30px,5vw,46px); max-width:20ch; }
.article-hero__meta{
  display:flex; gap:14px; align-items:center; flex-wrap:wrap;
  margin-top:20px;
  font-family:"JetBrains Mono", monospace;
  font-size:12.5px; color:var(--text-dim);
}
.article-hero__meta .tag{ color:var(--accent-2); }
.article-cover{
  aspect-ratio:21/9;
  border-radius:var(--radius-m);
  margin:36px 0 8px;
  background:linear-gradient(135deg, color-mix(in srgb, var(--accent) 45%, #101010), color-mix(in srgb, var(--accent-2) 45%, #101010));
  border:1px solid var(--border);
}
.article-body{
  max-width:720px;
  padding:40px 0 96px;
  font-size:17px;
  line-height:1.75;
  color:var(--text);
}
.article-body h2{
  font-size:24px;
  margin:44px 0 16px;
}
.article-body p{ margin:0 0 20px; color:var(--text-dim); }
.article-body p strong{ color:var(--text); }
.article-body ul{ margin:0 0 20px; padding-left:0; }
.article-body li{
  padding-left:22px; position:relative;
  margin-bottom:10px; color:var(--text-dim);
}
.article-body li::before{
  content:"→"; position:absolute; left:0; color:var(--accent-2);
  font-family:"JetBrains Mono", monospace;
}
.article-body code{
  font-family:"JetBrains Mono", monospace;
  background:var(--bg-elev-2);
  padding:2px 7px;
  border-radius:6px;
  font-size:14.5px;
}
.article-cta{
  margin-top:40px;
  border:1px solid var(--border);
  border-radius:var(--radius-m);
  background:var(--bg-elev);
  padding:28px;
  display:flex; align-items:center; justify-content:space-between;
  gap:20px; flex-wrap:wrap;
}
.article-cta__text strong{ display:block; font-size:17px; margin-bottom:4px; font-family:"Space Grotesk",sans-serif; }
.article-cta__text span{ color:var(--text-dim); font-size:14px; }

/* ===================== BREADCRUMBS ===================== */
.breadcrumbs{
  font-size:12px;
  color:var(--text-dim);
  margin-bottom:18px;
  display:flex; flex-wrap:wrap; gap:8px; align-items:center;
}
.breadcrumbs a{ color:var(--text-dim); }
.breadcrumbs a:hover{ color:var(--text); }
.breadcrumbs__sep{ color:var(--border-strong); }
.breadcrumbs__current{ color:var(--text); }