/* TheКоломыцев — design system (ported from Claude Design prototype) */

:root{
  --bg:#0A0E14;
  --bg-footer:#080B10;
  --bg-svc:#0d1119;
  --card:#10151E;
  --accent:#FF2E7E;
  --accent-hover:#ff5c99;
  --accent-dark:#c11a5b;
  --text:#F2F4F8;
  --text-2:#c4cbd6;
  --muted:#93A0B4;
  --dim:#5f6b7d;
  --light-bg:#F3EFE6;
  --light-text:#0A0E14;
  --light-text-2:#4a4640;
  --border:rgba(255,255,255,0.08);
  --border-strong:rgba(255,255,255,0.22);
  --field-border:rgba(255,255,255,0.12);
  --mono:'Archivo', sans-serif;
  --sans:'Manrope', sans-serif;
  --wrap:1200px;
}

*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--sans);
  -webkit-font-smoothing:antialiased;
  min-height:100vh;
}
a{color:var(--accent);text-decoration:none;}
a:hover{color:var(--accent-hover);}
::selection{background:var(--accent);color:var(--bg);}
img{max-width:100%;display:block;}

::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-thumb{background:#222a38;border-radius:8px;}
::-webkit-scrollbar-track{background:var(--bg);}

@keyframes marquee{from{transform:translateX(0);}to{transform:translateX(-50%);}}

/* ---------- Language toggle visibility ---------- */
.lang-en{display:none;}
html[data-lang="en"] .lang-ru{display:none;}
html[data-lang="en"] .lang-en{display:revert;}

/* ---------- Layout primitives ---------- */
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 40px;}
.section{padding:110px 0;}

.kicker{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--mono);font-weight:700;font-size:12px;
  letter-spacing:0.16em;text-transform:uppercase;color:var(--accent);
  margin-bottom:20px;
}
.kicker::before{content:"";width:28px;height:2px;background:var(--accent);display:inline-block;}
.kicker--dark{color:var(--accent-dark);}
.kicker--dark::before{background:var(--accent-dark);}

/* ---------- Buttons ---------- */
.btn{
  display:inline-block;border:none;cursor:pointer;
  font-family:var(--mono);font-weight:800;font-size:15px;
  padding:15px 26px;border-radius:999px;transition:.18s ease;
  text-align:center;
}
.btn--primary{background:var(--accent);color:var(--bg);}
.btn--primary:hover{background:var(--accent-hover);color:var(--bg);}
.btn--ghost{background:transparent;color:var(--text);border:1px solid var(--border-strong);}
.btn--ghost:hover{border-color:var(--accent);color:var(--accent);}
.btn--dark{background:var(--bg);color:#fff;}
.btn--dark:hover{background:#000;color:#fff;}
.btn--sm{padding:12px 20px;font-size:14px;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 40px;background:rgba(10,14,20,0.82);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
}
.brand{
  display:flex;align-items:baseline;gap:2px;
  font-family:var(--mono);font-weight:900;font-size:22px;
  letter-spacing:-0.03em;color:var(--text);
}
.brand .the{color:var(--accent);}
.nav{display:flex;align-items:center;gap:6px;}
.nav a{
  padding:9px 13px;border-radius:8px;
  font-family:var(--sans);font-weight:600;font-size:14.5px;color:var(--text-2);
  transition:.15s;
}
.nav a:hover{color:var(--text);}
.nav a.active{font-weight:800;color:var(--accent);}
.header-actions{display:flex;align-items:center;gap:14px;}
.lang-toggle{
  display:flex;align-items:center;gap:6px;background:none;
  border:1px solid rgba(255,255,255,0.16);border-radius:999px;padding:7px 12px;
  cursor:pointer;font-family:var(--sans);font-weight:700;font-size:12px;
  letter-spacing:0.06em;color:var(--text);
}
.lang-toggle .sep{opacity:.3;}
.lang-toggle .lt-ru{color:var(--accent);}
.lang-toggle .lt-en{color:var(--muted);}
html[data-lang="en"] .lang-toggle .lt-ru{color:var(--muted);}
html[data-lang="en"] .lang-toggle .lt-en{color:var(--accent);}

.burger{display:none;background:none;border:1px solid var(--border-strong);border-radius:8px;color:var(--text);width:40px;height:38px;cursor:pointer;font-size:18px;}

/* ---------- Footer ---------- */
.site-footer{border-top:1px solid var(--border);padding:64px 40px 40px;background:var(--bg-footer);}
.footer-grid{max-width:var(--wrap);margin:0 auto;display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;}
.footer-brand{font-family:var(--mono);font-weight:900;font-size:26px;letter-spacing:-0.03em;margin-bottom:14px;}
.footer-blurb{color:var(--muted);font-size:15px;line-height:1.6;max-width:340px;margin:0;}
.footer-h{font-family:var(--mono);font-weight:700;font-size:12px;letter-spacing:0.14em;text-transform:uppercase;color:var(--dim);margin-bottom:16px;}
.footer-nav a{display:block;padding:6px 0;font-family:var(--sans);font-size:15px;color:var(--text-2);}
.footer-nav a:hover{color:var(--accent);}
.footer-contact a{display:block;padding:6px 0;font-size:15px;color:var(--text-2);}
.footer-contact a:hover{color:var(--accent);}
.footer-cta{margin-top:12px;display:inline-block;background:none;border:1px solid rgba(255,255,255,0.16);border-radius:999px;padding:9px 16px;cursor:pointer;font-family:var(--mono);font-weight:800;font-size:12px;color:var(--accent);}
.footer-bottom{max-width:var(--wrap);margin:44px auto 0;padding-top:22px;border-top:1px solid rgba(255,255,255,0.06);display:flex;justify-content:space-between;gap:16px;color:var(--dim);font-size:13px;flex-wrap:wrap;}

/* ---------- Hero ---------- */
.hero{position:relative;padding:120px 0 90px;overflow:hidden;}
.hero__glow{position:absolute;top:-160px;right:-120px;width:620px;height:620px;border-radius:50%;background:radial-gradient(circle, rgba(255,46,126,0.20), transparent 62%);pointer-events:none;}
.hero__title{font-family:var(--mono);font-weight:900;font-size:clamp(46px,7vw,104px);line-height:.95;letter-spacing:-0.04em;margin:0 0 26px;max-width:14ch;}
.hero__title .accent{color:var(--accent);}
.hero__sub{font-size:20px;line-height:1.55;color:var(--text-2);max-width:620px;margin:0 0 38px;}
.hero__cta{display:flex;gap:14px;flex-wrap:wrap;}
.metrics{display:flex;gap:52px;margin-top:64px;flex-wrap:wrap;}
.metric__num{font-family:var(--mono);font-weight:900;font-size:38px;letter-spacing:-0.03em;}
.metric__label{color:var(--muted);font-size:14px;max-width:160px;margin-top:4px;}

/* ---------- Marquee ---------- */
.marquee{border-top:1px solid var(--border);border-bottom:1px solid var(--border);padding:20px 0;overflow:hidden;white-space:nowrap;}
.marquee__track{display:inline-block;animation:marquee 26s linear infinite;}
.marquee__row{display:inline-flex;gap:48px;padding-right:48px;}
.marquee__row span{font-family:var(--mono);font-weight:800;font-size:20px;white-space:nowrap;color:#2a3444;}
.marquee__row span:nth-child(odd){color:var(--accent);}

/* ---------- Section head ---------- */
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;flex-wrap:wrap;gap:20px;margin-bottom:48px;}
.h2{font-family:var(--mono);font-weight:900;font-size:clamp(32px,4vw,54px);letter-spacing:-0.03em;margin:0;}

/* ---------- Services preview grid (home) ---------- */
.services-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.service-card{display:block;width:100%;text-align:left;cursor:pointer;background:var(--card);border:1px solid var(--border);border-radius:18px;padding:30px;transition:.18s;color:var(--text);}
.service-card:hover{border-color:rgba(255,46,126,0.5);transform:translateY(-3px);}
.service-card__num{font-family:var(--mono);font-weight:900;font-size:26px;color:var(--accent);margin-bottom:16px;}
.service-card__title{font-family:var(--mono);font-weight:800;font-size:20px;line-height:1.2;margin-bottom:10px;}
.service-card__desc{color:var(--muted);font-size:15px;line-height:1.55;}

/* ---------- Results grid ---------- */
.results-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;}
.result-card{background:linear-gradient(160deg,#151b26,#0d1119);border:1px solid var(--border);border-radius:18px;padding:26px;}
.result-card__tag{font-size:12px;font-family:var(--mono);font-weight:700;letter-spacing:0.1em;text-transform:uppercase;color:var(--accent);margin-bottom:18px;}
.result-card__metric{font-family:var(--mono);font-weight:900;font-size:26px;letter-spacing:-0.02em;line-height:1.05;margin-bottom:8px;}
.result-card__label{color:var(--muted);font-size:14px;}

/* ---------- CTA bar (magenta) ---------- */
.cta-bar{background:var(--accent);color:var(--bg);}
.cta-bar__inner{max-width:var(--wrap);margin:0 auto;padding:70px 40px;display:flex;justify-content:space-between;align-items:center;gap:30px;flex-wrap:wrap;}
.cta-bar__title{font-family:var(--mono);font-weight:900;font-size:clamp(28px,3.4vw,46px);letter-spacing:-0.03em;margin:0;max-width:18ch;}

/* ---------- About ---------- */
.about-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:56px;align-items:center;}
.about-title{font-family:var(--mono);font-weight:900;font-size:clamp(38px,5vw,72px);line-height:.98;letter-spacing:-0.03em;margin:0 0 24px;}
.about-p{font-size:18px;line-height:1.6;color:var(--text-2);margin:0 0 18px;}
.about-p:last-child{margin-bottom:0;}
.portrait{aspect-ratio:4/5;border-radius:22px;background:linear-gradient(160deg,#171d29,#0d1119);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;color:#3a4557;font-family:var(--mono);font-weight:700;font-size:15px;text-align:center;padding:20px;white-space:pre-line;overflow:hidden;}
.portrait img{width:100%;height:100%;object-fit:cover;border-radius:22px;}
.expertise-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;}
.expertise-card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:26px;}
.expertise-card__title{font-family:var(--mono);font-weight:900;font-size:22px;margin-bottom:8px;}
.expertise-card__note{color:var(--muted);font-size:14px;}
.principles{background:var(--light-bg);color:var(--light-text);}
.principles__inner{max-width:var(--wrap);margin:0 auto;padding:90px 40px;}
.principles-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:36px;}
.principle__title{font-family:var(--mono);font-weight:900;font-size:24px;letter-spacing:-0.02em;margin-bottom:10px;}
.principle__body{font-size:16px;line-height:1.6;color:var(--light-text-2);}

/* ---------- Services page ---------- */
.svc-list{display:grid;gap:16px;}
.svc-row{display:grid;grid-template-columns:140px 1fr auto;gap:28px;align-items:center;background:var(--card);border:1px solid var(--border);border-radius:20px;padding:34px;transition:.18s;}
.svc-row:hover{border-color:rgba(255,46,126,0.4);}
.svc-row__num{font-family:var(--mono);font-weight:900;font-size:54px;color:var(--accent);letter-spacing:-0.03em;}
.svc-row__title{font-family:var(--mono);font-weight:800;font-size:24px;line-height:1.15;margin-bottom:10px;}
.svc-row__desc{color:var(--muted);font-size:16px;line-height:1.6;max-width:640px;}
.svc-row__btn{background:none;border:1px solid var(--border-strong);color:var(--accent);border-radius:999px;padding:12px 20px;cursor:pointer;font-family:var(--mono);font-weight:800;font-size:14px;white-space:nowrap;}
.svc-row__btn:hover{border-color:var(--accent);color:var(--accent-hover);}
.howwork{background:var(--bg-svc);border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.howwork__inner{max-width:var(--wrap);margin:0 auto;padding:90px 40px;}
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.step__num{font-family:var(--mono);font-weight:900;font-size:16px;color:var(--accent);margin-bottom:14px;letter-spacing:0.08em;}
.step__title{font-family:var(--mono);font-weight:800;font-size:22px;margin-bottom:10px;}
.step__desc{color:var(--muted);font-size:15px;line-height:1.6;}
.price-cta{background:var(--accent);color:var(--bg);border-radius:24px;padding:56px;display:flex;justify-content:space-between;align-items:center;gap:30px;flex-wrap:wrap;}
.price-cta__title{font-family:var(--mono);font-weight:900;font-size:clamp(26px,3vw,40px);letter-spacing:-0.03em;margin-bottom:8px;}
.price-cta__sub{font-size:17px;opacity:.85;max-width:46ch;}

/* ---------- Blog ---------- */
.blog-featured{width:100%;text-align:left;cursor:pointer;display:grid;grid-template-columns:1fr 1fr;gap:0;background:var(--card);border:1px solid var(--border);border-radius:22px;overflow:hidden;transition:.18s;color:var(--text);}
.blog-featured:hover{border-color:rgba(255,46,126,0.4);}
.blog-featured__media{background:linear-gradient(150deg,#FF2E7E33,#0d1119);min-height:320px;display:flex;align-items:flex-end;padding:28px;background-size:cover;background-position:center;}
.chip{font-family:var(--mono);font-weight:700;font-size:12px;letter-spacing:0.12em;text-transform:uppercase;color:var(--accent);background:var(--bg);padding:8px 14px;border-radius:999px;display:inline-block;}
.blog-featured__body{padding:44px;}
.post-meta{color:var(--dim);font-size:13px;font-family:var(--mono);font-weight:700;letter-spacing:0.08em;margin-bottom:16px;}
.blog-featured__title{font-family:var(--mono);font-weight:900;font-size:clamp(24px,2.6vw,36px);line-height:1.08;letter-spacing:-0.02em;margin:0 0 16px;}
.blog-featured__excerpt{font-size:16px;line-height:1.6;color:var(--muted);margin:0 0 22px;}
.read-link{color:var(--accent);font-family:var(--mono);font-weight:800;font-size:15px;}
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
.post-card{text-align:left;cursor:pointer;background:var(--card);border:1px solid var(--border);border-radius:18px;padding:28px;display:flex;flex-direction:column;gap:12px;min-height:260px;transition:.18s;color:var(--text);}
.post-card:hover{border-color:rgba(255,46,126,0.4);transform:translateY(-3px);}
.chip--outline{align-self:flex-start;font-family:var(--mono);font-weight:700;font-size:11px;letter-spacing:0.1em;text-transform:uppercase;color:var(--accent);border:1px solid rgba(255,46,126,0.35);padding:5px 11px;border-radius:999px;background:none;}
.post-card__title{font-family:var(--mono);font-weight:800;font-size:20px;line-height:1.15;letter-spacing:-0.01em;margin:6px 0 0;}
.post-card__excerpt{font-size:14.5px;line-height:1.55;color:var(--muted);margin:0;flex:1;}
.post-card__meta{color:var(--dim);font-size:12px;font-family:var(--mono);font-weight:700;letter-spacing:0.06em;}

/* ---------- Article ---------- */
.article-top{max-width:760px;margin:0 auto;padding:46px 40px 0;}
.back-link{background:none;border:none;cursor:pointer;color:var(--muted);font-family:var(--mono);font-weight:700;font-size:14px;padding:0;}
.back-link:hover{color:var(--accent);}
.article{max-width:760px;margin:0 auto;padding:40px 40px 20px;}
.article__meta{display:flex;gap:10px;align-items:center;margin-bottom:22px;flex-wrap:wrap;}
.article__date{color:var(--dim);font-size:13px;font-family:var(--mono);font-weight:700;}
.article h1{font-family:var(--mono);font-weight:900;font-size:clamp(32px,4.4vw,54px);line-height:1.02;letter-spacing:-0.03em;margin:0 0 26px;}
.article__lead{font-size:21px;line-height:1.55;color:var(--text-2);font-weight:500;margin:0 0 36px;}
.article__rule{height:1px;background:rgba(255,255,255,0.1);margin:0 0 36px;}
.article__body p{font-size:18px;line-height:1.75;color:#d6dbe3;margin:0 0 26px;}
.article__body h2{font-family:var(--mono);font-weight:900;font-size:30px;letter-spacing:-0.02em;margin:38px 0 18px;}
.article__body h3{font-family:var(--mono);font-weight:800;font-size:23px;margin:30px 0 14px;}
.article__body ul,.article__body ol{font-size:18px;line-height:1.75;color:#d6dbe3;padding-left:22px;margin:0 0 26px;}
.article__body img{border-radius:14px;margin:10px 0 26px;}
.article__body blockquote,blockquote.tk{margin:10px 0 30px;padding:22px 28px;border-left:3px solid var(--accent);background:var(--card);border-radius:0 14px 14px 0;font-family:var(--mono);font-weight:800;font-size:22px;line-height:1.3;letter-spacing:-0.01em;color:var(--text);}
.article-cta{max-width:760px;margin:10px auto 0;padding:0 40px;}
.article-cta__box{background:var(--accent);color:var(--bg);border-radius:20px;padding:36px;display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;}
.article-cta__title{font-family:var(--mono);font-weight:900;font-size:24px;letter-spacing:-0.02em;max-width:20ch;}
.readnext__label{font-family:var(--mono);font-weight:700;font-size:12px;letter-spacing:0.14em;text-transform:uppercase;color:var(--dim);margin-bottom:22px;}
.readnext-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
.readnext-card{text-align:left;cursor:pointer;background:var(--card);border:1px solid var(--border);border-radius:16px;padding:24px;transition:.18s;color:var(--text);display:block;}
.readnext-card:hover{border-color:rgba(255,46,126,0.4);}
.readnext-card__tag{font-family:var(--mono);font-weight:700;font-size:11px;letter-spacing:0.1em;text-transform:uppercase;color:var(--accent);margin-bottom:12px;}
.readnext-card__title{font-family:var(--mono);font-weight:800;font-size:17px;line-height:1.18;}

/* ---------- Cases ---------- */
.case-list{display:grid;gap:18px;}
.case-row{display:grid;grid-template-columns:1.3fr 1fr;gap:0;background:var(--card);border:1px solid var(--border);border-radius:22px;overflow:hidden;}
.case-row__body{padding:40px;}
.case-row__tag{font-family:var(--mono);font-weight:700;font-size:12px;letter-spacing:0.12em;text-transform:uppercase;color:var(--accent);margin-bottom:18px;}
.case-row__title{font-family:var(--mono);font-weight:900;font-size:30px;letter-spacing:-0.02em;margin:0 0 14px;}
.case-row__desc{font-size:16px;line-height:1.6;color:var(--muted);margin:0;max-width:52ch;}
.case-row__metricbox{background:linear-gradient(150deg,#FF2E7E22,#0d1119);display:flex;flex-direction:column;justify-content:center;padding:40px;}
.case-row__metric{font-family:var(--mono);font-weight:900;font-size:clamp(30px,3vw,46px);letter-spacing:-0.03em;line-height:1;}
.case-row__label{color:var(--muted);font-size:14px;margin-top:8px;}

/* ---------- Contacts ---------- */
.contacts-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;}
.contacts-title{font-family:var(--mono);font-weight:900;font-size:clamp(38px,5vw,66px);line-height:.98;letter-spacing:-0.03em;margin:0 0 22px;}
.contacts-intro{font-size:18px;line-height:1.6;color:var(--text-2);margin:0 0 34px;max-width:46ch;}
.contact-cards{display:grid;gap:14px;}
.contact-card{display:flex;justify-content:space-between;gap:16px;padding:18px 22px;background:var(--card);border:1px solid var(--border);border-radius:14px;color:var(--text);}
.contact-card:hover{border-color:rgba(255,46,126,0.4);color:var(--text);}
.contact-card__key{color:var(--dim);font-family:var(--mono);font-weight:700;font-size:13px;letter-spacing:0.08em;text-transform:uppercase;}
.contact-card__val{font-weight:600;font-size:16px;}
.tk-form{background:var(--card);border:1px solid var(--border);border-radius:22px;padding:36px;display:grid;gap:16px;align-self:start;}
.field{display:grid;gap:8px;}
.field__label{font-family:var(--mono);font-weight:700;font-size:12px;letter-spacing:0.08em;text-transform:uppercase;color:var(--muted);}
.field input,.field textarea{background:var(--bg);border:1px solid var(--field-border);border-radius:12px;padding:14px 16px;color:var(--text);font-family:var(--sans);font-size:16px;width:100%;}
.field textarea{resize:vertical;min-height:120px;}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--accent);}
.tk-form__submit{margin-top:6px;background:var(--accent);color:var(--bg);border:none;border-radius:999px;padding:16px;cursor:pointer;font-family:var(--mono);font-weight:800;font-size:16px;}
.tk-form__submit:hover{background:var(--accent-hover);}
.tk-form__submit:disabled{opacity:.6;cursor:default;}
.tk-form__note{color:var(--dim);font-size:13px;text-align:center;}
.tk-form__status{font-size:14px;text-align:center;min-height:0;}
.tk-form__status.ok{color:#4ade80;}
.tk-form__status.err{color:#f87171;}
.hp{position:absolute!important;left:-9999px;top:-9999px;}

/* page intro helper */
.page-head{padding:110px 0 50px;}
.page-title{font-family:var(--mono);font-weight:900;font-size:clamp(38px,5vw,72px);line-height:.98;letter-spacing:-0.03em;margin:0 0 22px;max-width:16ch;}
.page-intro{font-size:19px;line-height:1.6;color:var(--text-2);max-width:640px;margin:0;}

.pagination{display:flex;gap:10px;justify-content:center;margin-top:40px;flex-wrap:wrap;}
.pagination a,.pagination span{font-family:var(--mono);font-weight:800;font-size:14px;padding:10px 16px;border-radius:999px;border:1px solid var(--border-strong);color:var(--text-2);}
.pagination .current{background:var(--accent);color:var(--bg);border-color:var(--accent);}

/* ---------- Responsive ---------- */
@media (max-width:1000px){
  .footer-grid{grid-template-columns:1fr 1fr;}
  .results-grid{grid-template-columns:repeat(2,1fr);}
  .expertise-grid{grid-template-columns:repeat(2,1fr);}
  .steps-grid{grid-template-columns:repeat(2,1fr);}
  .post-grid,.readnext-grid,.principles-grid{grid-template-columns:1fr 1fr;}
  .about-grid{grid-template-columns:1fr;}
  .blog-featured{grid-template-columns:1fr;}
  .case-row{grid-template-columns:1fr;}
  .contacts-grid{grid-template-columns:1fr;}
}
@media (max-width:760px){
  .wrap{padding:0 22px;}
  .section{padding:76px 0;}
  .site-header{padding:14px 22px;}
  .nav{position:fixed;inset:64px 0 auto 0;flex-direction:column;align-items:stretch;gap:0;background:#0c1118;border-bottom:1px solid var(--border);padding:12px 22px 22px;transform:translateY(-140%);transition:.25s;z-index:40;}
  .nav.open{transform:translateY(0);}
  .nav a{padding:14px 8px;font-size:16px;border-radius:0;border-bottom:1px solid var(--border);}
  .burger{display:block;}
  .header-actions .btn{display:none;}
  .services-grid{grid-template-columns:1fr;}
  .results-grid{grid-template-columns:1fr 1fr;}
  .expertise-grid,.steps-grid,.post-grid,.readnext-grid,.principles-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .svc-row{grid-template-columns:1fr;gap:14px;text-align:left;padding:26px;}
  .svc-row__num{font-size:44px;}
  .article-top,.article,.article-cta{padding-left:22px;padding-right:22px;}
  .price-cta,.principles__inner,.howwork__inner{padding:40px 24px;}
  .cta-bar__inner{padding:48px 22px;}
}

/* =====================================================================
 *  СВЕТЛАЯ (бело-изумрудная) ТЕМА — [data-theme="light"]
 *  Дефолт (без атрибута) = тёмная, как раньше.
 * ===================================================================== */
:root[data-theme="light"]{
  --bg:#FFFFFF;
  --bg-footer:#F2F5F4;
  --bg-svc:#F4F8F6;
  --card:#FFFFFF;
  --accent:#10B981;
  --accent-hover:#0E9E70;
  --accent-dark:#0B7A57;
  --text:#0A1712;
  --text-2:#38443E;
  --muted:#5E6B64;
  --dim:#93A099;
  --border:rgba(6,40,30,0.12);
  --border-strong:rgba(6,40,30,0.22);
  --field-border:rgba(6,40,30,0.16);
}
:root[data-theme="light"] body{background:var(--bg);color:var(--text);}
:root[data-theme="light"] ::selection{background:var(--accent);color:#fff;}
:root[data-theme="light"] ::-webkit-scrollbar-thumb{background:#cfe0d9;}
:root[data-theme="light"] ::-webkit-scrollbar-track{background:#fff;}

/* Шапка/футер: светлое стекло + разделители */
:root[data-theme="light"] .site-header{background:rgba(255,255,255,0.85);}
:root[data-theme="light"] .lang-toggle,
:root[data-theme="light"] .footer-cta,
:root[data-theme="light"] .theme-toggle{border-color:var(--border-strong);}
:root[data-theme="light"] .footer-bottom,
:root[data-theme="light"] .article__rule{border-color:rgba(6,40,30,0.12);}
:root[data-theme="light"] .nav{background:#F4F8F6;} /* мобильное меню */

/* Кнопки */
:root[data-theme="light"] .btn--primary{color:#fff;}
:root[data-theme="light"] .btn--dark{background:#0A1712;color:#fff;}
:root[data-theme="light"] .btn--dark:hover{background:#000;color:#fff;}

/* Карточки — мягкая тень для отрыва от белого фона */
:root[data-theme="light"] .service-card,
:root[data-theme="light"] .expertise-card,
:root[data-theme="light"] .svc-row,
:root[data-theme="light"] .post-card,
:root[data-theme="light"] .readnext-card,
:root[data-theme="light"] .contact-card,
:root[data-theme="light"] .tk-form,
:root[data-theme="light"] .blog-featured,
:root[data-theme="light"] .case-row,
:root[data-theme="light"] .lms-card,
:root[data-theme="light"] .lms-buybox,
:root[data-theme="light"] .lms-curr__item,
:root[data-theme="light"] .lms-note{box-shadow:0 1px 3px rgba(6,40,30,.05),0 10px 30px rgba(6,40,30,.05);}

/* Ховеры (были магента) → изумруд */
:root[data-theme="light"] .service-card:hover,
:root[data-theme="light"] .svc-row:hover,
:root[data-theme="light"] .post-card:hover,
:root[data-theme="light"] .readnext-card:hover,
:root[data-theme="light"] .blog-featured:hover,
:root[data-theme="light"] .case-row:hover,
:root[data-theme="light"] .contact-card:hover,
:root[data-theme="light"] .lms-card:hover{border-color:rgba(16,185,129,.45);}
:root[data-theme="light"] .chip--outline{border-color:rgba(16,185,129,.35);}

/* Захардкоженные тёмные заливки/тексты */
:root[data-theme="light"] .hero__glow{background:radial-gradient(circle, rgba(16,185,129,0.16), transparent 62%);}
:root[data-theme="light"] .marquee__row span{color:#9AA7A0;}
:root[data-theme="light"] .result-card{background:linear-gradient(160deg,#F3F8F6,#E9F2EE);}
:root[data-theme="light"] .portrait{background:linear-gradient(160deg,#E9F2EE,#DCEAE4);color:#7A897F;}
:root[data-theme="light"] .blog-featured__media{background:linear-gradient(150deg,#10B98126,#E9F2EE);}
:root[data-theme="light"] .case-row__metricbox{background:linear-gradient(150deg,#10B9811c,#E9F2EE);}
:root[data-theme="light"] .chip{background:#E9F2EE;}
:root[data-theme="light"] .article__body p,
:root[data-theme="light"] .article__body ul,
:root[data-theme="light"] .article__body ol{color:#38443E;}

/* =====================================================================
 *  Переключатель темы + вход в Академию (шапка)
 * ===================================================================== */
.theme-toggle{
  display:flex;align-items:center;justify-content:center;background:none;
  border:1px solid rgba(255,255,255,0.16);border-radius:999px;width:38px;height:34px;
  cursor:pointer;font-size:15px;color:var(--text);line-height:1;transition:.15s;
}
.theme-toggle:hover{border-color:var(--accent);color:var(--accent);}
.theme-toggle .tt-moon{display:none;}
.theme-toggle .tt-sun{display:inline;}
:root[data-theme="light"] .theme-toggle .tt-sun{display:none;}
:root[data-theme="light"] .theme-toggle .tt-moon{display:inline;}

.header-left{display:flex;align-items:center;gap:14px;}
.academy-cta{
  display:inline-flex;align-items:center;gap:7px;
  font-family:var(--mono);font-weight:800;font-size:12.5px;letter-spacing:0.04em;
  color:var(--bg);background:var(--accent);border-radius:999px;padding:8px 15px;
  transition:.15s;white-space:nowrap;
}
.academy-cta:hover{background:var(--accent-hover);color:var(--bg);}
.academy-cta::before{content:"🎓";font-size:13px;}
@media (max-width:900px){ .academy-cta{display:none;} }

/* =====================================================================
 *  SEO-блоки: крошки, длинный текст, FAQ, отрасли, стек, детали услуг
 * ===================================================================== */

.crumbs{border-bottom:1px solid var(--border);}
.crumbs .wrap{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding-top:14px;padding-bottom:14px;
  font-size:13px;color:var(--muted);font-family:var(--sans);}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--accent);}
.crumbs__sep{color:var(--dim);}
.crumbs__cur{color:var(--text-2);}

.prose{max-width:860px;}
.prose h2{font-family:var(--mono);font-weight:800;font-size:clamp(23px,2.4vw,31px);letter-spacing:-0.02em;
  margin:44px 0 16px;}
.prose h2:first-child{margin-top:0;}
.prose p{color:var(--text-2);font-size:17px;line-height:1.75;margin:0 0 16px;}
.prose ul,.prose ol{color:var(--text-2);font-size:17px;line-height:1.75;padding-left:22px;margin:0 0 18px;}
.prose li{margin-bottom:8px;}
.prose a{color:var(--accent);text-decoration:underline;text-underline-offset:3px;}

.faq{display:grid;gap:12px;max-width:900px;}
.faq__item{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:0 24px;transition:.18s;}
.faq__item[open]{border-color:rgba(255,46,126,0.35);}
.faq__item summary{cursor:pointer;list-style:none;padding:22px 0;display:flex;justify-content:space-between;
  gap:18px;align-items:flex-start;font-family:var(--mono);font-weight:700;font-size:18px;line-height:1.35;}
.faq__item summary::-webkit-details-marker{display:none;}
.faq__item summary::after{content:"+";color:var(--accent);font-size:24px;line-height:1;flex:0 0 auto;}
.faq__item[open] summary::after{content:"−";}
.faq__answer{color:var(--text-2);font-size:16px;line-height:1.7;padding:0 0 22px;max-width:74ch;}

.ind-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px;}
.ind-card{background:var(--card);border:1px solid var(--border);border-radius:18px;padding:26px;transition:.18s;}
.ind-card:hover{border-color:rgba(255,46,126,0.35);}
.ind-card__title{font-family:var(--mono);font-weight:800;font-size:19px;margin-bottom:10px;}
.ind-card__desc{color:var(--muted);font-size:15px;line-height:1.6;}

.stack-list{display:grid;gap:0;border-top:1px solid var(--border);}
.stack-row{display:grid;grid-template-columns:230px 1fr;gap:24px;padding:22px 0;border-bottom:1px solid var(--border);}
.stack-row__key{font-family:var(--mono);font-weight:800;font-size:16px;}
.stack-row__val{color:var(--muted);font-size:15.5px;line-height:1.7;}

.svc-row{align-items:start;}
.svc-detail{margin-top:16px;}
.svc-detail__for{color:var(--text-2);font-size:15px;line-height:1.6;margin-bottom:12px;}
.svc-detail__for b{color:var(--text);}
.svc-detail ul{margin:0;padding-left:20px;color:var(--muted);font-size:15px;line-height:1.65;}
.svc-detail li{margin-bottom:6px;}

.facts-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px;}
.fact{background:var(--card);border:1px solid var(--border);border-radius:18px;padding:24px;}
.fact__num{font-family:var(--mono);font-weight:900;font-size:34px;color:var(--accent);letter-spacing:-0.03em;}
.fact__label{color:var(--muted);font-size:14.5px;line-height:1.5;margin-top:6px;}

.academy-promo{background:var(--bg-svc);border:1px solid var(--border);border-radius:26px;padding:44px;
  display:grid;grid-template-columns:1.2fr 1fr;gap:34px;align-items:center;}
.academy-promo__title{font-family:var(--mono);font-weight:900;font-size:clamp(26px,3vw,38px);letter-spacing:-0.03em;margin:0 0 14px;}
.academy-promo__desc{color:var(--muted);font-size:16.5px;line-height:1.7;}
.academy-promo__list{display:grid;gap:10px;}
.academy-promo__item{display:flex;justify-content:space-between;gap:14px;align-items:center;
  background:var(--card);border:1px solid var(--border);border-radius:14px;padding:14px 18px;font-size:15px;}
.academy-promo__item b{font-family:var(--mono);color:var(--accent);white-space:nowrap;}

@media (max-width:900px){
  .academy-promo{grid-template-columns:1fr;padding:28px;}
  .stack-row{grid-template-columns:1fr;gap:8px;}
  .svc-row{grid-template-columns:1fr;}
}

/* Светлая тема */
:root[data-theme="light"] .faq__item,
:root[data-theme="light"] .ind-card,
:root[data-theme="light"] .fact,
:root[data-theme="light"] .academy-promo,
:root[data-theme="light"] .academy-promo__item{box-shadow:0 1px 3px rgba(6,40,30,.05),0 10px 30px rgba(6,40,30,.05);}
:root[data-theme="light"] .faq__item[open],
:root[data-theme="light"] .ind-card:hover{border-color:rgba(16,185,129,.45);}
:root[data-theme="light"] .prose p,
:root[data-theme="light"] .prose ul,
:root[data-theme="light"] .prose ol,
:root[data-theme="light"] .faq__answer{color:#38443E;}