:root{--cool:#3B5BFF;--cool-soft:#E9EDFF;--ink-90:rgba(10,10,11,.9)}

/* ---------- Buttons (modifiers only — base .btn lives in styles.css) ---------- */
.btn-dark{background:var(--ink);color:var(--white)}
.btn-dark:hover{background:var(--ink-soft);transform:translateY(-1px)}
.btn-outline{background:transparent;color:var(--ink);border:1.5px solid var(--border-2)}
.btn-outline:hover{border-color:var(--ink)}
.btn-cool{background:var(--cool);color:var(--white)}
.btn-cool:hover{background:#2c47d6}
.btn-sm{padding:10px 18px;font-size:13.5px}
.fp-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--graphite);text-transform:uppercase;letter-spacing:.06em;margin-bottom:20px}
.fp-eyebrow::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--accent)}

/* ---------- Section head reuse ---------- */
.fp-shead{display:flex;justify-content:space-between;align-items:flex-end;gap:40px;margin-bottom:44px}
.fp-shead h2{max-width:760px}
.fp-shead .r{max-width:340px;color:var(--graphite);font-size:15px;line-height:1.55;padding-bottom:6px}@media (max-width:760px){.fp-shead{flex-direction:column;align-items:flex-start;gap:16px}}


/* ---------- Filters ---------- */
.fp-filters{display:flex;gap:24px;flex-wrap:wrap;margin-bottom:32px}
.fp-filter-group{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.fp-filter-label{font-size:12px;color:var(--slate);text-transform:uppercase;letter-spacing:.06em;margin-right:4px;align-self:center}
.fp-chip{padding:8px 16px;border-radius:var(--r-pill);border:1px solid var(--border-2);background:var(--white);font-size:13.5px;color:var(--graphite);transition:all var(--dur-fast)}
.fp-chip.active{background:var(--ink);color:var(--white);border-color:var(--ink)}
.fp-chip:hover:not(.active){border-color:var(--slate)}

/* ---------- Case cards (catalog) ---------- */
.fp-case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.fp-case-card{background:var(--white);border:1px solid var(--border-2);border-radius:var(--r-lg);overflow:hidden;display:flex;flex-direction:column;transition:transform var(--dur-base) var(--ease-std),box-shadow var(--dur-base)}
.fp-case-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-3)}
.fp-case-cover{aspect-ratio:16/9;background:var(--mist);overflow:hidden}
.fp-case-cover img{width:100%;height:100%;object-fit:cover}
.fp-case-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.fp-case-tags{display:flex;gap:6px;flex-wrap:wrap}
.fp-case-tag{font-size:11.5px;padding:4px 10px;border-radius:var(--r-pill);background:var(--mist);color:var(--graphite)}
.fp-case-body h3{font-size:19px;letter-spacing:-0.01em;line-height:1.25}
.fp-case-body p{font-size:14px;color:var(--graphite);line-height:1.5;flex:1}
.fp-case-metrics{display:flex;gap:20px;padding-top:14px;border-top:1px solid var(--border-2)}
.fp-case-metrics .m{display:flex;flex-direction:column;gap:2px}
.fp-case-metrics .v{font-size:20px;font-weight:700;letter-spacing:-0.02em}
.fp-case-metrics .k{font-size:11.5px;color:var(--slate)}
.fp-case-link{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;border-top:1px solid var(--border-2);font-size:14px;font-weight:600}@media (max-width:960px){.fp-case-grid{grid-template-columns:1fr 1fr}}
@media (max-width:640px){.fp-case-grid{grid-template-columns:1fr}}


/* ---------- Products ---------- */
.fp-products{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.fp-product{background:var(--white);border:1px solid var(--border-2);border-radius:var(--r-xl);padding:36px}
.fp-product h3{font-size:26px;margin-bottom:14px;letter-spacing:-0.02em}
.fp-product p{color:var(--graphite);font-size:15px;line-height:1.55;margin-bottom:20px}@media (max-width:760px){.fp-products{grid-template-columns:1fr}}


/* ---------- CTA banner ---------- */
.fp-cta-banner{background:var(--ink);color:var(--white);border-radius:var(--r-2xl);padding:56px 48px;display:flex;justify-content:space-between;align-items:center;gap:32px;flex-wrap:wrap}
.fp-cta-banner h2{color:var(--white);font-size:clamp(26px,2.6vw,38px);max-width:520px}
.fp-cta-banner p{color:var(--silver);margin-top:10px;font-size:15px}

/* ---------- Footer ---------- */
.fp-footer{background:var(--ink);color:var(--silver);padding:64px 0 32px;margin-top:8px}
.fp-footer-grid{display:grid;grid-template-columns:1.4fr repeat(4,1fr);gap:32px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.1)}
.fp-footer-brand h3{color:var(--white);font-size:20px;margin-bottom:12px}
.fp-footer-brand p{font-size:14px;line-height:1.6;color:var(--slate);max-width:280px}
.fp-footer-col h4{color:var(--white);font-size:13px;text-transform:uppercase;letter-spacing:.06em;margin-bottom:16px;font-weight:600}
.fp-footer-col a{display:block;font-size:14px;color:var(--silver);margin-bottom:10px}
.fp-footer-col a:hover{color:var(--white)}
.fp-footer-bottom{display:flex;justify-content:space-between;padding-top:24px;font-size:12.5px;color:var(--slate);flex-wrap:wrap;gap:10px}@media (max-width:860px){.fp-footer-grid{grid-template-columns:1fr 1fr;gap:28px}}
@media (max-width:560px){.fp-footer-grid{grid-template-columns:1fr}}


/* ---------- Articles ---------- */
.fp-article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.fp-article-card{background:var(--white);border:1px solid var(--border-2);border-radius:var(--r-lg);padding:28px;display:flex;flex-direction:column;gap:14px;transition:transform var(--dur-base) var(--ease-std),box-shadow var(--dur-base)}
.fp-article-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-3)}
.fp-article-card .cat{font-size:11.5px;text-transform:uppercase;letter-spacing:.06em;color:var(--cool);font-weight:600}
.fp-article-card h3{font-size:19px;line-height:1.3}
.fp-article-card p{font-size:14px;color:var(--graphite);line-height:1.55;flex:1}
.fp-article-card .meta{font-size:12.5px;color:var(--slate);display:flex;gap:10px;padding-top:12px;border-top:1px solid var(--border-2)}@media (max-width:960px){.fp-article-grid{grid-template-columns:1fr 1fr}}
@media (max-width:640px){.fp-article-grid{grid-template-columns:1fr}}


/* ---------- Article page ---------- */
.article-shell{display:grid;grid-template-columns:1fr 220px;gap:56px;align-items:start;max-width:960px;margin:0 auto}
.article-body{max-width:720px}
.article-body h2{margin:40px 0 16px;font-size:26px}
.article-body h3{margin:28px 0 12px;font-size:19px}
.article-body p{color:var(--graphite);font-size:16px;line-height:1.7;margin-bottom:16px}
.article-body ul,.article-body ol{color:var(--graphite);font-size:16px;line-height:1.7;margin:0 0 16px;padding-left:22px}
.article-body blockquote{border-left:2px solid var(--accent);padding:4px 0 4px 20px;margin:24px 0;font-size:18px;color:var(--ink);font-weight:500}
.article-tldr{background:var(--bone);border:1px solid var(--border-2);border-radius:var(--r-lg);padding:22px 24px;font-size:15px;line-height:1.6;color:var(--graphite);margin-bottom:32px}
.article-tldr .k{font-size:11.5px;text-transform:uppercase;letter-spacing:.06em;color:var(--slate);font-weight:600;display:block;margin-bottom:8px}
.article-toc{position:sticky;top:100px;display:flex;flex-direction:column;gap:2px;font-size:13.5px}
.article-toc .k{font-size:11.5px;text-transform:uppercase;letter-spacing:.06em;color:var(--slate);font-weight:600;margin-bottom:10px}
.article-toc a{color:var(--graphite);padding:7px 0;border-left:2px solid var(--border-2);padding-left:12px}
.article-toc a:hover{color:var(--ink);border-color:var(--ink)}
.article-meta{display:flex;gap:16px;font-size:13.5px;color:var(--slate);margin:16px 0 32px;flex-wrap:wrap}
.article-inline-tool{background:var(--ink);color:var(--white);border-radius:var(--r-lg);padding:32px;display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;margin:32px 0}
.article-inline-tool h4{color:var(--white);font-size:19px;margin-bottom:6px}
.article-inline-tool p{color:var(--silver);font-size:14px;margin:0}@media (max-width:860px){.article-shell{grid-template-columns:1fr}.article-toc{display:none}}


/* ---------- Tools page ---------- */
.tool-card{background:var(--white);border:1px solid var(--border-2);border-radius:var(--r-2xl);padding:40px;margin-bottom:24px}
.tool-head{display:flex;justify-content:space-between;align-items:flex-start;gap:24px;margin-bottom:28px;flex-wrap:wrap}
.tool-head h2{font-size:26px;margin-bottom:8px}
.tool-head p{color:var(--graphite);font-size:15px;max-width:560px}
.tool-badge{font-size:12px;font-weight:600;color:var(--cool);background:var(--cool-soft);padding:5px 12px;border-radius:var(--r-pill);white-space:nowrap}
.tool-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px}
.tool-fields{display:flex;flex-direction:column;gap:16px}
.tool-field label{display:block;font-size:13px;color:var(--slate);margin-bottom:6px}
.tool-field input,.tool-field select{width:100%;padding:12px 14px;border:1px solid var(--border-2);border-radius:var(--r-sm);font-size:15px;font-family:inherit;background:var(--white)}
.tool-field input:focus,.tool-field select:focus{outline:none;border-color:var(--cool)}
.tool-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.tool-result{background:var(--bone);border-radius:var(--r-lg);padding:24px;display:flex;flex-direction:column;gap:16px}
.tool-result .placeholder{color:var(--slate);font-size:14px;line-height:1.6;margin:auto 0}
.tool-scenarios{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.tool-scenario{background:var(--white);border:1px solid var(--border-2);border-radius:var(--r-md);padding:14px;text-align:center}
.tool-scenario .k{font-size:11px;color:var(--slate);text-transform:uppercase;letter-spacing:.05em}
.tool-scenario .v{font-size:18px;font-weight:700;margin-top:6px}
.tool-metric-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.tool-metric{background:var(--white);border:1px solid var(--border-2);border-radius:var(--r-md);padding:14px}
.tool-metric .k{font-size:11.5px;color:var(--slate)}
.tool-metric .v{font-size:20px;font-weight:700;margin-top:2px}
.tool-verdict{font-size:14px;line-height:1.6;color:var(--ink);border-left:2px solid var(--accent);padding-left:14px}
.tool-bars{display:flex;flex-direction:column;gap:10px}
.tool-bar-row{display:grid;grid-template-columns:110px 1fr 34px;gap:10px;align-items:center;font-size:13px}
.tool-bar-track{height:8px;background:var(--mist);border-radius:4px;overflow:hidden}
.tool-bar-fill{height:100%;background:var(--cool);border-radius:4px}
.tool-score{text-align:center;margin-bottom:8px}
.tool-score .v{font-size:44px;font-weight:700;letter-spacing:-0.02em}
.tool-score .k{font-size:13px;color:var(--slate)}@media (max-width:860px){.tool-grid{grid-template-columns:1fr}.tool-row{grid-template-columns:1fr 1fr}.tool-scenarios{grid-template-columns:1fr}.tool-metric-grid{grid-template-columns:1fr 1fr}}


/* ---------- Methodology flow chain ---------- */
.flow{display:flex;flex-wrap:wrap;gap:8px;align-items:stretch}
.flow-node{flex:1 1 150px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.10);border-radius:var(--r-sm);padding:18px 16px;display:flex;flex-direction:column;gap:6px;min-width:0}
.flow-node .n{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.1em;color:var(--slate)}
.flow-node .t{font-size:14.5px;font-weight:500;color:#fff;line-height:1.3}
.flow-node.hot{background:rgba(255,90,31,.10);border-color:rgba(255,90,31,.40)}
.flow-node.hot .t{color:#FFD1BD}

/* ---------- Proof strip ---------- */
.proof-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:0;background:var(--white);border:1px solid var(--border-2);border-radius:var(--r-lg);overflow:hidden}
.proof-strip .p{padding:28px 26px}
.proof-strip .p+.p{border-left:1px solid var(--border-2)}
.proof-strip .v{font-size:32px;font-weight:700;letter-spacing:-0.025em;line-height:1}
.proof-strip .k{font-size:12.5px;color:var(--slate);margin-top:8px;line-height:1.45}@media (max-width:860px){.proof-strip{grid-template-columns:1fr 1fr}.proof-strip .p:nth-child(3){border-left:none}.proof-strip .p:nth-child(n+3){border-top:1px solid var(--border-2)}}


/* ---------- Sticky mobile CTA ---------- */
.sticky-cta{display:none}@media (max-width:720px){.sticky-cta{display:flex;position:fixed;left:12px;right:12px;bottom:12px;z-index:45;gap:8px}.sticky-cta .btn{flex:1;box-shadow:var(--shadow-4)}.float-tg{display:none!important}body{padding-bottom:76px}}


/* ---------- Logomark sprite + eyebrow marker ---------- */
.eyebrow .mk{color:var(--ink)}
.eyebrow.dark .mk{color:#fff}
.eyebrow .mk svg{width:18px;height:18px;display:block}

/* ---------- Traffic-system quad ---------- */
.tsys{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap)}
.tsys .c{background:var(--white);border:1px solid var(--border-2);border-radius:var(--r-lg);padding:28px;display:flex;flex-direction:column;gap:12px}
.tsys .c .k{font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;color:var(--accent);background:var(--accent-soft);align-self:flex-start;padding:4px 10px;border-radius:99px}
.tsys .c h4{font-size:18px;font-weight:600}
.tsys .c ul{margin:0;padding-left:16px;color:var(--graphite);font-size:13.5px;line-height:1.7}@media (max-width:960px){.tsys{grid-template-columns:1fr 1fr}}
@media (max-width:600px){.tsys{grid-template-columns:1fr}}


/* ---------- Dark method / statement card ---------- */
.method-card{background:var(--ink);color:#fff;border-radius:var(--r-xl);padding:60px}
.method-card h1,.method-card h2{font-size:clamp(30px,3.2vw,48px);line-height:1.04}
.method-note{margin-top:28px;font-size:16px;color:rgba(255,255,255,.72);max-width:660px;line-height:1.6;border-left:2px solid var(--accent);padding-left:20px}@media (max-width:760px){.method-card{padding:32px 24px}}


/* ---------- Reasoning chain (economics) ---------- */
.chain{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap)}
.chain .step{background:var(--white);border:1px solid var(--border-2);border-radius:var(--r-lg);padding:28px;display:flex;flex-direction:column;gap:10px;position:relative}
.chain .step .n{font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;color:var(--slate)}
.chain .step .big{font-size:26px;font-weight:700;letter-spacing:-0.02em}
.chain .step h4{font-size:16px;font-weight:600;line-height:1.3}
.chain .step p{margin:0;font-size:13.5px;color:var(--graphite);line-height:1.55}
.chain .step.hot{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.chain .step.hot .big{color:var(--accent)}@media (max-width:960px){.chain{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.chain{grid-template-columns:1fr}}


/* ---------- Before/after bars ---------- */
.ba{background:var(--white);border:1px solid var(--border-2);border-radius:var(--r-lg);padding:32px;display:flex;flex-direction:column}
.ba-bars{display:flex;align-items:stretch;gap:40px;flex:none;height:190px;margin-top:22px}
.ba-facts{flex:1;display:flex;flex-direction:column;justify-content:space-evenly;margin-top:24px;border-top:1px solid var(--border-2)}
.ba-facts .r{display:flex;justify-content:space-between;align-items:baseline;gap:16px;padding:10px 0}
.ba-facts .r+.r{border-top:1px solid var(--border-2)}
.ba-facts .k{font-size:13.5px;color:var(--slate)}
.ba-facts .v{font-size:17px;font-weight:700;letter-spacing:-0.01em;white-space:nowrap}
.ba-col{flex:1;display:grid;grid-template-rows:auto 1fr auto;justify-items:center;align-items:end;gap:10px}
.ba-bar{align-self:end;width:100%;max-width:110px;background:var(--silver);border-radius:8px 8px 0 0}
.ba-bar.good{background:var(--accent)}
.ba-v{font-size:20px;font-weight:700}
.ba-l{font-size:13px;color:var(--graphite);text-align:center;line-height:1.4}

/* ---------- misc ---------- */
.fp-section-num{font-family:var(--font-mono);font-size:12.5px;color:var(--slate);text-transform:uppercase;letter-spacing:.08em;display:block;margin-bottom:14px}
.fp-band{padding:88px 0}
.fp-band-alt{background:var(--white)}@media (max-width:760px){.fp-band{padding:56px 0}}


.nav-link.is-active{background:var(--mist);color:var(--ink);font-weight:500}

/* ---------- Кейсы: колонка контента, шаги, галереи ---------- */
.case-col{max-width:820px}
.case-col h2{margin-bottom:16px}
.case-col h3{font-size:clamp(20px,1.9vw,26px);letter-spacing:-.02em;margin:8px 0 16px}
.case-col p{color:var(--graphite);line-height:1.7;font-size:16px;margin-bottom:14px}
.case-col ul{color:var(--graphite);line-height:1.7;font-size:15.5px;padding-left:22px;margin:0 0 14px}
.case-col ul li{margin-bottom:7px}
.case-col .sub{font-size:13px;font-weight:600;color:var(--ink);text-transform:uppercase;letter-spacing:.06em;margin:22px 0 10px}

/* Галерея: карточки одной высоты, изображение целиком — ряды не «рвутся» */
.case-gallery{display:grid;gap:22px;margin-top:32px}
.case-gallery.g2{grid-template-columns:repeat(2,1fr)}
.case-gallery.g3{grid-template-columns:repeat(3,1fr)}
.case-shot{margin:0}
.case-shot .frame{display:flex;align-items:center;justify-content:center;height:300px;padding:16px;
  background:var(--mist);border:1px solid var(--border-2);border-radius:var(--r-md);overflow:hidden}
.case-shot .frame img{max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain;
  border-radius:6px}
.case-gallery.g3 .case-shot .frame{height:262px}
.case-shot figcaption{font-size:13px;color:var(--slate);margin-top:12px;line-height:1.5}

/* Одиночный скриншот — не растягиваем на всю сетку */
.case-single{margin-top:32px;max-width:520px}
.case-single.wide{max-width:900px}
.case-single .frame{display:flex;align-items:center;justify-content:center;padding:18px;
  background:var(--mist);border:1px solid var(--border-2);border-radius:var(--r-lg)}
.case-single .frame img{max-width:100%;height:auto;border-radius:8px}
.case-single figcaption{font-size:13px;color:var(--slate);margin-top:12px}

/* Задачи */
.task-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:28px}
.task-card{background:var(--white);border:1px solid var(--border-2);border-radius:var(--r-md);padding:26px}
.task-card .n{font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;color:var(--accent-ink);
  background:var(--accent-soft);display:inline-block;padding:4px 11px;border-radius:var(--r-pill);margin-bottom:14px}
.task-card h4{font-size:17px;font-weight:600;margin-bottom:9px;line-height:1.3}
.task-card p{font-size:14.5px;color:var(--graphite);line-height:1.6;margin:0}

/* Зоны ответственности */
.scope-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px 40px;margin-top:26px;max-width:980px}
.scope-item{display:flex;gap:12px;font-size:15px;color:var(--graphite);line-height:1.6;
  padding-bottom:16px;border-bottom:1px solid var(--border-2)}
.scope-item .mk{color:var(--accent);font-weight:700;flex-shrink:0}

/* Хиро кейса: заголовок не должен ломаться на пять строк */
.case-hero h1{font-size:clamp(28px,3.4vw,46px);line-height:1.08}
.case-hero .metrics .m{background:transparent;border:1px solid var(--border-2);padding:20px}
.case-hero .metrics .v{font-size:28px}

@media (max-width:1000px){.case-gallery.g3{grid-template-columns:repeat(2,1fr)}
  .task-grid{grid-template-columns:1fr}.scope-list{grid-template-columns:1fr}}
@media (max-width:640px){.case-gallery.g2,.case-gallery.g3{grid-template-columns:1fr}
  .case-shot .frame,.case-gallery.g3 .case-shot .frame{height:230px}}

/* Обложка кейса: показываем целиком — на баннерах есть логотип и текст */
.case-cover{align-self:center;display:flex;align-items:center;justify-content:center;background:var(--mist);
  border:1px solid var(--border-2);border-radius:var(--r-lg);padding:18px}
.case-cover img{max-width:100%;max-height:400px;width:auto;height:auto;object-fit:contain;border-radius:8px}
@media (max-width:900px){.case-cover{min-height:auto}}

/* Адаптивные сетки: число колонок подстраивается, иначе на телефоне уезжает за экран */
.case-numbers{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px}
.fp-products.case-next{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}

/* Сетки, которым в разметке проставлено число колонок: на узких экранах перестраиваются */
[data-cols="3"]{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:var(--gap,20px)}