/* ==========================================================================
   Полимер-Урал — дизайн-система v2 «Инженерный чертёж под напряжением»
   Индустриальный B2B: плотный, доказательный. Акцент — красный РЭДПАЙП.
   Onest (дисплей) + Inter (текст) + JetBrains Mono (техданные).
   ========================================================================== */

:root{
  --c-red:#D81324; --c-red-dark:#A50D1A; --c-red-hot:#FF2E1F;
  --c-ink:#141922; --c-muted:#5A6674;
  --c-graphite:#11151B; --c-graphite-2:#171C24; --c-graphite-3:#232A33;
  --c-steel:#5A6674; --c-steel-2:#8592A2;
  --c-ash:#EDF1F5; --c-ash-2:#F5F8FA;
  --c-white:#FFFFFF; --c-line:#DBE1E9; --c-line-2:#E9EDF2;
  --c-ok:#1F8A54;

  --font-head:'Onest',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  --font-body:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Arial,sans-serif;
  --font-mono:'JetBrains Mono',ui-monospace,'SF Mono',Menlo,Consolas,monospace;

  --wrap:1240px;
  --r:4px; --r-sm:3px; --r-pill:999px;
  --shadow:0 1px 2px rgba(20,25,34,.05),0 10px 30px rgba(20,25,34,.08);
  --shadow-lg:0 30px 70px rgba(17,21,27,.30);
  --t:.2s cubic-bezier(.2,.7,.3,1);
  --header-h:66px;
  --bp:rgba(89,102,116,.14); /* blueprint line */
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;font-family:var(--font-body);color:var(--c-ink);background:var(--c-white);font-size:16.5px;line-height:1.6;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{font-family:var(--font-head);font-weight:800;line-height:1.05;letter-spacing:-.02em;margin:0 0 .5em;color:var(--c-graphite)}
h1{font-size:clamp(2.3rem,5.2vw,4rem);font-weight:900}
h2{font-size:clamp(1.7rem,3.4vw,2.6rem)}
h3{font-size:clamp(1.2rem,2vw,1.5rem);font-weight:800}
h4{font-size:1.05rem;font-weight:800}
p{margin:0 0 1em;max-width:70ch}
a{color:var(--c-red);text-decoration:none;transition:color var(--t)}
a:hover{color:var(--c-red-dark)}
img{max-width:100%;height:auto;display:block}
strong,b{font-weight:700}
ul,ol{margin:0 0 1em;padding-left:1.15em}
li{margin:.3em 0}
:focus-visible{outline:3px solid var(--c-red);outline-offset:2px}
::selection{background:var(--c-red);color:#fff}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums}

/* ---- Layout ---- */
.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:22px}
.section{padding:clamp(46px,6.5vw,84px) 0}
.section--tight{padding:clamp(34px,4.5vw,56px) 0}
.section--ash{background:var(--c-ash)}
.section--dark{background:var(--c-graphite);color:#D6DEE7}
.section--dark h1,.section--dark h2,.section--dark h3,.section--dark h4{color:#fff}
.section--dark p{color:#AEB9C6}
.section--dark a{color:#fff;text-decoration:underline;text-underline-offset:3px}
.section__head{max-width:800px;margin-bottom:clamp(26px,3.6vw,42px)}
.section__head p{color:var(--c-muted);font-size:1.08rem}
.section--dark .section__head p{color:#AEB9C6}
.lead{font-size:1.16rem;color:var(--c-muted);max-width:64ch}

/* Eyebrow — моно-лейбл с красной засечкой */
.eyebrow{font-family:var(--font-mono);font-weight:600;font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:var(--c-red);margin:0 0 1em;display:inline-flex;align-items:center;gap:.6em}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--c-red)}
.section--dark .eyebrow{color:#fff}.section--dark .eyebrow::before{background:var(--c-red)}

/* трёхцветный «срез» стенки трубы как разделитель */
.cut{height:4px;border:0;margin:0;background:linear-gradient(90deg,var(--c-graphite) 0 34%,var(--c-red) 34% 67%,var(--c-steel) 67% 100%)}

/* ---- Buttons ---- */
.btn{--bg:var(--c-red);--fg:#fff;--bd:var(--c-red);
  display:inline-flex;align-items:center;justify-content:center;gap:.55em;
  font-family:var(--font-head);font-weight:700;font-size:1rem;line-height:1;
  padding:.9em 1.6em;border:1.5px solid var(--bd);border-radius:var(--r-sm);
  background:var(--bg);color:var(--fg);cursor:pointer;white-space:nowrap;
  transition:transform var(--t),background var(--t),border-color var(--t),color var(--t)}
.btn:hover{background:var(--c-red-dark);border-color:var(--c-red-dark);color:#fff}
.btn:active{transform:translateY(1px)}
.btn svg{width:1.1em;height:1.1em}
.btn--ghost{--bg:transparent;--fg:var(--c-graphite);--bd:var(--c-line)}
.btn--ghost:hover{background:var(--c-graphite);border-color:var(--c-graphite);color:#fff}
.section--dark .btn--ghost,.hero .btn--ghost{--fg:#fff;--bd:rgba(255,255,255,.30)}
.section--dark .btn--ghost:hover,.hero .btn--ghost:hover{background:#fff;color:var(--c-graphite);border-color:#fff}
.btn--lg{padding:1.05em 2em;font-size:1.06rem}
.btn--block{display:flex;width:100%}
.btn[disabled]{opacity:.55;cursor:not-allowed}

/* ---- Top utility bar ---- */
.topbar{background:var(--c-graphite);color:#AEB9C6;font-size:.8rem;border-bottom:1px solid #22282F}
.topbar .wrap{display:flex;align-items:center;gap:20px;height:36px}
.topbar__badges{display:flex;gap:18px;align-items:center;font-family:var(--font-mono);letter-spacing:.02em}
.topbar__badges span{display:inline-flex;align-items:center;gap:.45em;white-space:nowrap}
.topbar__badges b{color:#fff;font-weight:500}
.topbar__dot{width:6px;height:6px;border-radius:50%;background:var(--c-red)}
.topbar__right{margin-left:auto;display:flex;gap:18px;align-items:center}
.topbar__right a{color:#C7D0DB}.topbar__right a:hover{color:#fff}

/* ---- Header ---- */
.hdr{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--c-line)}
.hdr__bar{display:flex;align-items:center;gap:22px;height:var(--header-h)}
.logo{display:flex;align-items:center;gap:11px;font-family:var(--font-head);font-weight:900;color:var(--c-graphite);font-size:1.2rem;letter-spacing:-.03em;flex:0 0 auto}
.logo__mark{display:block;width:42px;height:auto;flex:0 0 auto}
.ftr__brand .logo__mark{width:40px}
.logo:hover{color:var(--c-graphite)}
.logo__name b{color:var(--c-red)}
.logo__sub{display:block;font-family:var(--font-mono);font-weight:400;font-size:.6rem;letter-spacing:.04em;color:var(--c-muted);text-transform:uppercase;margin-top:2px}
.nav{display:flex;align-items:center;gap:1px;margin-left:auto}
.nav__link{display:inline-flex;align-items:center;gap:.3em;padding:.5em .58em;font-weight:600;font-size:.95rem;color:var(--c-graphite);border-radius:var(--r-sm);white-space:nowrap}
.nav__link:hover,.nav__item.is-active>.nav__link{color:var(--c-red);background:var(--c-ash-2)}
.nav__link .caret{width:7px;height:7px;border-right:1.8px solid currentColor;border-bottom:1.8px solid currentColor;transform:rotate(45deg);margin-top:-3px;opacity:.55}
.nav__item{position:relative}
.nav__sub{position:absolute;top:calc(100% + 6px);left:0;min-width:300px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r);box-shadow:var(--shadow-lg);padding:7px;opacity:0;visibility:hidden;transform:translateY(6px);transition:all var(--t);z-index:60}
.nav__item:hover .nav__sub,.nav__item:focus-within .nav__sub{opacity:1;visibility:visible;transform:none}
.nav__sub a{display:block;padding:.5em .7em;border-radius:var(--r-sm);color:var(--c-graphite);font-weight:500;font-size:.93rem}
.nav__sub a:hover{background:var(--c-ash);color:var(--c-red)}
.hdr__cta{display:flex;align-items:center;gap:12px;flex:0 0 auto}
/* Телефон дублируется в топбаре — в самой шапке скрыт, чтобы навигация помещалась.
   В мобильном меню показывается снова (.nav__mobilecta). */
.hdr__cta .hdr__phone{display:none}
.hdr__phone{font-family:var(--font-head);font-weight:800;color:var(--c-graphite);white-space:nowrap;font-size:1.02rem}
.nav__mobilecta{display:none}
.hdr__phone:hover{color:var(--c-red)}
.hdr__phone small{display:block;font-family:var(--font-mono);font-weight:400;font-size:.58rem;color:var(--c-muted);text-transform:uppercase;letter-spacing:.03em}
.burger{display:none;flex-direction:column;gap:5px;width:44px;height:44px;align-items:center;justify-content:center;background:none;border:1px solid var(--c-line);border-radius:var(--r-sm);cursor:pointer}
.burger span{width:22px;height:2px;background:var(--c-graphite);transition:var(--t)}

/* ---- Blueprint background (для тёмных секций) ---- */
.bp-grid{background-image:linear-gradient(var(--bp) 1px,transparent 1px),linear-gradient(90deg,var(--bp) 1px,transparent 1px);background-size:34px 34px}

/* ---- Hero ---- */
.hero{position:relative;background:var(--c-graphite);color:#fff;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(133,146,162,.10) 1px,transparent 1px),linear-gradient(90deg,rgba(133,146,162,.10) 1px,transparent 1px);background-size:38px 38px;mask-image:linear-gradient(90deg,transparent,#000 40%);opacity:.6}
.hero::after{content:"";position:absolute;top:-10%;right:-5%;width:60%;height:120%;background:radial-gradient(closest-side,rgba(216,19,36,.28),transparent 70%);pointer-events:none}
.hero__grid{position:relative;z-index:1;display:grid;grid-template-columns:1.08fr .92fr;gap:40px;align-items:center;padding:clamp(40px,6vw,74px) 0 clamp(46px,6vw,80px)}
.hero__triad{font-family:var(--font-mono);font-size:.82rem;letter-spacing:.1em;text-transform:uppercase;color:#fff;display:flex;gap:16px;margin-bottom:1.3em;flex-wrap:wrap}
.hero__triad span{display:inline-flex;align-items:center;gap:.5em}
.hero__triad span::before{content:"";width:7px;height:7px;background:var(--c-red);transform:rotate(45deg)}
.hero h1{color:#fff;margin-bottom:.3em;letter-spacing:-.03em}
.hero h1 em{font-style:normal;color:var(--c-red)}
.hero__lead{font-size:1.2rem;color:#C4CCD6;max-width:46ch;margin-bottom:1.5em}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:1.9em}
.hero__badges{display:flex;flex-wrap:wrap;gap:9px}
.hero__art{position:relative;display:grid;place-items:center;min-height:360px}

/* Разрез трубы (cutaway) */
/* Разрез трубы: разлёт слоёв + подписи (hero, анимируется GSAP) */
.pcut{width:min(600px,100%);height:auto;display:block;overflow:visible}
.pcut .pcut__lead{stroke:#8592A2;stroke-width:1.4;fill:none}
.pcut .pcut__t1{font-family:var(--font-mono);font-size:20px;font-weight:700;fill:#fff}
.pcut .pcut__t2{font-family:var(--font-mono);font-size:16px;fill:#9aa6b3}
.pcut .pcut__core{transform-box:fill-box;transform-origin:center;animation:pcutPulse 3.2s ease-in-out infinite}
@keyframes pcutPulse{0%,100%{opacity:.92}50%{opacity:1;filter:drop-shadow(0 0 6px rgba(227,154,72,.6))}}
@media (prefers-reduced-motion:reduce){.pcut .pcut__core{animation:none}}
.cutaway{width:min(460px,92%);height:auto;filter:drop-shadow(0 30px 60px rgba(0,0,0,.55))}
.cutaway .cut-lead{stroke:#4A5563;stroke-width:1}
.cutaway .lead-dot{fill:#fff}
.cutaway .lbl{font-family:var(--font-mono);font-size:11px;fill:#8592A2;letter-spacing:.01em}
.cutaway .lbl--v{fill:#fff;font-weight:700;font-size:11.5px}
.cutaway .core-glow{animation:pulse 3.4s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:.55}50%{opacity:1}}
@media (prefers-reduced-motion:reduce){.cutaway .core-glow{animation:none}}

/* бейджи доверия */
.trust{display:inline-flex;align-items:center;gap:.5em;padding:.5em .85em;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);border-radius:var(--r-sm);font-size:.84rem;font-weight:600;color:#EAF0F6}
.trust svg{flex:0 0 auto}
.trust--light{background:var(--c-ash);border-color:var(--c-line);color:var(--c-graphite)}

/* ---- Spec ribbon (крупные цифры, моно) ---- */
.ribbon{background:var(--c-graphite-2);border-top:1px solid #262D36;border-bottom:1px solid #262D36}
.ribbon .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.ribbon__item{padding:26px 26px;border-left:1px solid #262D36}
.ribbon__item:first-child{border-left:0;padding-left:0}
.ribbon__num{font-family:var(--font-head);font-weight:900;font-size:clamp(1.9rem,3.4vw,2.8rem);color:#fff;line-height:1;font-variant-numeric:tabular-nums}
.ribbon__num em{font-style:normal;color:var(--c-red);font-size:.6em;font-weight:800}
.ribbon__label{color:#8592A2;font-size:.9rem;margin-top:.6em;font-family:var(--font-mono);letter-spacing:.01em}

/* ---- Метрики светлые ---- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--c-line);border-radius:var(--r);overflow:hidden;background:#fff}
.stat{padding:26px 24px;border-left:1px solid var(--c-line)}
.stat:first-child{border-left:0}
.stat__num{font-family:var(--font-head);font-weight:900;font-size:clamp(1.9rem,3.4vw,2.7rem);color:var(--c-graphite);line-height:1;font-variant-numeric:tabular-nums}
.stat__num b{color:var(--c-red);font-size:.62em}
.stat__label{color:var(--c-muted);font-size:.92rem;margin-top:.5em}

/* ---- Компетенции (иконки) ---- */
.compe{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--c-line)}
.compe__i{padding:28px 26px 28px 0;border-left:1px solid var(--c-line);padding-left:26px}
.compe__i:first-child{border-left:0;padding-left:0}
.compe__ic{width:34px;height:34px;color:var(--c-red);margin-bottom:14px}
.compe__t{font-family:var(--font-head);font-weight:800;font-size:1.06rem;margin-bottom:.35em;color:var(--c-graphite)}
.compe__d{color:var(--c-muted);font-size:.94rem;margin:0}

/* ---- Карточки серий ---- */
.series{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r);padding:22px;transition:border-color var(--t),box-shadow var(--t),transform var(--t);display:flex;flex-direction:column}
.card:hover{border-color:var(--c-steel-2);box-shadow:var(--shadow);transform:translateY(-2px)}
.card__top{display:flex;align-items:center;gap:14px;margin-bottom:14px}
.card__title{font-family:var(--font-head);font-weight:900;font-size:1.24rem;color:var(--c-graphite);margin:0;letter-spacing:-.02em}
.card__title a{color:inherit}.card__title a:hover{color:var(--c-red)}
.card__tag{font-family:var(--font-mono);font-size:.74rem;color:var(--c-muted);letter-spacing:.02em}
.card__desc{color:var(--c-muted);font-size:.96rem;margin-bottom:15px}
.spec{list-style:none;margin:0 0 16px;padding:0;border-top:1px solid var(--c-line-2)}
.spec li{display:flex;justify-content:space-between;gap:12px;padding:.5em 0;border-bottom:1px solid var(--c-line-2);margin:0;font-size:.9rem}
.spec .k{color:var(--c-muted)}
.spec .v{font-family:var(--font-mono);font-weight:500;text-align:right}
.card__foot{margin-top:auto;display:flex;gap:10px;align-items:center}
.badge{display:inline-flex;align-items:center;gap:.4em;padding:.32em .6em;border-radius:var(--r-sm);font-size:.76rem;font-weight:700;background:rgba(216,19,36,.09);color:var(--c-red-dark)}
.badge--steel{background:var(--c-ash);color:var(--c-steel)}

/* мини-схема слоёв */
.layerbar{display:flex;height:8px;border-radius:2px;overflow:hidden;margin-bottom:12px}
.layerbar i{display:block;height:100%}

/* ---- Таблицы данных (типоразмеры) ---- */
.table-wrap{overflow-x:auto;border:1px solid var(--c-line);border-radius:var(--r);-webkit-overflow-scrolling:touch}
table.spec-table{width:100%;border-collapse:collapse;font-family:var(--font-mono);font-size:.86rem;min-width:520px}
.spec-table th,.spec-table td{padding:.62em .8em;text-align:left;border-bottom:1px solid var(--c-line-2);font-variant-numeric:tabular-nums;white-space:nowrap}
.spec-table thead th{background:var(--c-graphite);color:#fff;font-weight:600;position:sticky;top:0;font-size:.8rem}
.spec-table tbody tr:nth-child(even){background:var(--c-ash-2)}
.spec-table tbody tr:hover{background:rgba(216,19,36,.05)}
.spec-table td:first-child,.spec-table th:first-child{font-weight:700;position:sticky;left:0;background:inherit}
.spec-table tbody td:first-child{background:#fff}
.spec-table tbody tr:nth-child(even) td:first-child{background:var(--c-ash-2)}
.spec-table--facts{font-family:var(--font-body)}
.spec-table--facts td:first-child{color:var(--c-muted);font-weight:500}
.spec-table--facts .v,.spec-table--facts td:last-child{font-family:var(--font-mono)}

/* ---- Сегменты «для кого» ---- */
.audience{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.aud{position:relative;background:#fff;border:1px solid var(--c-line);border-radius:var(--r);padding:26px 26px 26px 30px;overflow:hidden}
.aud::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--c-red)}
.aud h3{margin-bottom:.4em}
.aud p{color:var(--c-muted);font-size:.97rem}
.aud__list{list-style:none;padding:0;margin:0 0 18px;font-size:.94rem}
.aud__list li{padding-left:1.5em;position:relative;color:var(--c-steel)}
.aud__list li::before{content:"";position:absolute;left:0;top:.5em;width:8px;height:8px;background:var(--c-red);transform:rotate(45deg)}

/* ---- Кейсы (богатые карточки проектов) ---- */
.cases{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.case{display:flex;flex-direction:column;background:#fff;border:1px solid var(--c-line);border-radius:var(--r);overflow:hidden;transition:box-shadow var(--t),transform var(--t)}
.case:hover{box-shadow:var(--shadow);transform:translateY(-2px)}
.case__vis{position:relative}
.case__kv{position:absolute;top:12px;left:12px;font-family:var(--font-mono);font-size:.74rem;font-weight:600;background:var(--c-red);color:#fff;padding:.3em .6em;border-radius:2px}
.case__body{padding:18px 20px;display:flex;flex-direction:column;gap:9px;flex:1}
.case__meta{display:flex;gap:8px;font-family:var(--font-mono);font-size:.76rem;color:var(--c-muted)}
.case__title{font-family:var(--font-head);font-weight:800;font-size:1.08rem;color:var(--c-graphite);line-height:1.2;margin:0}
.case__desc{color:var(--c-muted);font-size:.92rem;margin:0}
.case__pipe{margin-top:auto;font-family:var(--font-mono);font-size:.82rem;color:var(--c-graphite);border-top:1px solid var(--c-line-2);padding-top:10px}

/* компактный список проектов */
.projects{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.proj{background:#fff;border:1px solid var(--c-line);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column;transition:box-shadow var(--t),transform var(--t)}
.proj:hover{box-shadow:var(--shadow);transform:translateY(-2px)}
.proj__body{padding:16px 18px;display:flex;flex-direction:column;gap:7px;flex:1}
.proj__meta{display:flex;flex-wrap:wrap;gap:7px;font-family:var(--font-mono);font-size:.74rem}
.pill{display:inline-flex;padding:.26em .55em;border-radius:2px;background:var(--c-ash);color:var(--c-steel);font-weight:500}
.pill--kv{background:rgba(216,19,36,.09);color:var(--c-red-dark)}
.proj__title{font-family:var(--font-head);font-weight:700;font-size:1.0rem;color:var(--c-graphite);line-height:1.24;margin:2px 0}
.proj__pipe{font-family:var(--font-mono);font-size:.8rem;color:var(--c-muted);margin-top:auto}
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px}
.chip{padding:.5em 1em;border:1px solid var(--c-line);border-radius:var(--r-sm);background:#fff;font-family:var(--font-mono);font-weight:500;font-size:.84rem;color:var(--c-steel);cursor:pointer;transition:var(--t)}
.chip:hover{border-color:var(--c-steel-2)}
.chip.is-active{background:var(--c-graphite);color:#fff;border-color:var(--c-graphite)}

/* ---- Отрасли ---- */
.industries{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border:1px solid var(--c-line);border-radius:var(--r);overflow:hidden}
.ind{padding:24px 24px;border-right:1px solid var(--c-line);border-bottom:1px solid var(--c-line);display:flex;gap:14px;align-items:flex-start}
.ind__ic{width:28px;height:28px;color:var(--c-red);flex:0 0 auto;margin-top:2px}
.ind h4{margin:0 0 .25em}
.ind p{margin:0;color:var(--c-muted);font-size:.9rem}

/* ---- Форма ---- */
.form{display:grid;gap:15px}
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-weight:600;font-size:.9rem;color:var(--c-graphite)}
.field .req{color:var(--c-red)}
.field input,.field textarea,.field select{font-family:inherit;font-size:1rem;color:var(--c-ink);background:#fff;border:1.5px solid var(--c-line);border-radius:var(--r-sm);padding:.72em .9em;width:100%;transition:border-color var(--t),box-shadow var(--t)}
.field input::placeholder,.field textarea::placeholder{color:#96A1AE}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--c-red);box-shadow:0 0 0 3px rgba(216,19,36,.14)}
.field textarea{min-height:108px;resize:vertical}
.field--file input{padding:.55em;background:var(--c-ash-2)}
.field .hint{font-size:.8rem;color:var(--c-muted);font-family:var(--font-mono)}
.field.has-error input,.field.has-error textarea,.field.has-error select{border-color:var(--c-red)}
.field__err{color:var(--c-red-dark);font-size:.8rem;display:none}
.field.has-error .field__err{display:block}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:15px}
.consent{display:flex;gap:.6em;align-items:flex-start;font-size:.84rem;color:var(--c-muted)}
.consent input{width:18px;height:18px;margin-top:2px;accent-color:var(--c-red);flex:0 0 auto}
.hp{position:absolute!important;left:-9999px!important;width:1px;height:1px;overflow:hidden}
.form__ok{display:none;text-align:center;padding:18px}
.form__ok .ok-mark{width:58px;height:58px;border-radius:50%;background:rgba(31,138,84,.12);color:var(--c-ok);display:grid;place-items:center;margin:0 auto 14px}
.form.is-sent .form__body{display:none}
.form.is-sent .form__ok{display:block}
.form__note{font-size:.8rem;color:var(--c-muted)}
.formcard{background:#fff;border:1px solid var(--c-line);border-radius:var(--r);padding:clamp(22px,3vw,32px);box-shadow:var(--shadow)}
.formcard--accent{border-top:4px solid var(--c-red)}
.formcard h3{margin-bottom:.3em}
.formcard__sub{color:var(--c-muted);font-size:.94rem;margin-bottom:18px}

/* ---- Консультант ---- */
.consult{display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:center;background:var(--c-graphite-2);border:1px solid #262D36;border-radius:var(--r);padding:22px}
.consult__ph{width:96px;height:96px;border-radius:50%;overflow:hidden;flex:0 0 auto;background:#232A33;display:grid;place-items:center}
.consult h4{color:#fff;margin:0 0 .3em}
.consult p{color:#AEB9C6;margin:0 0 .5em;font-size:.94rem}
.consult .mono{color:#8592A2;font-size:.82rem}

/* Модалка */
.modal{position:fixed;inset:0;z-index:100;display:none;align-items:center;justify-content:center;padding:20px}
.modal.is-open{display:flex}
.modal__backdrop{position:absolute;inset:0;background:rgba(17,21,27,.66);backdrop-filter:blur(2px)}
.modal__box{position:relative;background:#fff;border-radius:var(--r);border-top:4px solid var(--c-red);max-width:440px;width:100%;padding:clamp(24px,4vw,34px);box-shadow:var(--shadow-lg);z-index:1}
.modal__close{position:absolute;top:12px;right:12px;width:38px;height:38px;border:none;background:var(--c-ash);border-radius:var(--r-sm);font-size:1.2rem;cursor:pointer;color:var(--c-steel)}
.modal__close:hover{background:var(--c-line)}

/* ---- CTA-полоса ---- */
.ctaband{background:var(--c-red);color:#fff;position:relative;overflow:hidden}
.ctaband::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.08) 1px,transparent 1px);background-size:34px 34px;opacity:.5}
.ctaband .wrap{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;padding-block:clamp(32px,4.5vw,52px)}
.ctaband h2{color:#fff;margin:0}
.ctaband p{color:rgba(255,255,255,.92);margin:.4em 0 0}
.ctaband .btn{--bg:#fff;--fg:var(--c-red);--bd:#fff}
.ctaband .btn:hover{--bg:var(--c-graphite);--fg:#fff;background:var(--c-graphite);border-color:var(--c-graphite)}

/* ---- Footer ---- */
.ftr{background:var(--c-graphite);color:#AEB9C6;padding:56px 0 24px}
.ftr a{color:#C7D0DB}.ftr a:hover{color:#fff}
.ftr__grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.15fr;gap:34px;margin-bottom:36px}
.ftr h4{color:#fff;font-family:var(--font-mono);font-size:.76rem;letter-spacing:.1em;text-transform:uppercase;margin-bottom:1.2em;font-weight:500}
.ftr ul{list-style:none;padding:0;margin:0}
.ftr li{margin:.55em 0;font-size:.94rem}
.ftr__brand .logo{color:#fff;margin-bottom:14px}
.ftr__brand .logo__name b{color:var(--c-red)}
.ftr__brand .logo__sub{color:#8592A2}
.ftr__contact{font-size:.94rem;line-height:1.7}
.ftr__contact a{font-weight:600}
.ftr__badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.ftr__bottom{border-top:1px solid #262D36;padding-top:22px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:.84rem;color:#8592A2;font-family:var(--font-mono)}
.ftr__bottom a{color:#8592A2;text-decoration:underline}

/* ---- Прочее ---- */
.crumbs{font-family:var(--font-mono);font-size:.8rem;color:var(--c-muted);padding:16px 0 0}
.crumbs a{color:var(--c-steel)}.crumbs span{color:var(--c-graphite)}
.pagehead{padding:26px 0 4px}
.pagehead h1{margin-bottom:.25em}
.prose{max-width:760px}
.prose h2{margin-top:1.4em}.prose h3{margin-top:1.2em}
.doclist{list-style:none;padding:0;margin:0;display:grid;gap:0;border:1px solid var(--c-line);border-radius:var(--r);overflow:hidden}
.doclist a{display:flex;align-items:center;gap:12px;padding:.85em 1.1em;background:#fff;color:var(--c-graphite);font-weight:500;border-bottom:1px solid var(--c-line-2)}
.doclist a:last-child{border-bottom:0}
.doclist a:hover{background:var(--c-ash-2);color:var(--c-red)}
.doclist a::before{content:"PDF";font-family:var(--font-mono);font-size:.66rem;font-weight:700;color:var(--c-red);background:rgba(216,19,36,.1);padding:.3em .45em;border-radius:2px}
.cols-2{columns:2;column-gap:40px}
.tags{display:flex;flex-wrap:wrap;gap:7px}
.tags .pill{font-family:var(--font-mono)}

/* плейсхолдер — чертёжный, а не «пустой» */
.ph{position:relative;display:grid;place-items:center;gap:8px;background:var(--c-graphite-2);border-radius:var(--r);color:#8592A2;overflow:hidden;width:100%;background-image:linear-gradient(var(--bp) 1px,transparent 1px),linear-gradient(90deg,var(--bp) 1px,transparent 1px);background-size:26px 26px}
.ph__mark{opacity:.9}
.ph__label{font-family:var(--font-mono);font-size:.76rem;font-weight:500;text-align:center;padding:0 14px;color:#AEB9C6;position:relative;z-index:1}

/* Reveal */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s cubic-bezier(.16,1,.3,1)}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* ==================== Адаптив ==================== */
@media (max-width:1100px){
  .hero__grid{grid-template-columns:1fr;gap:26px}
  .hero__art{order:-1;min-height:auto}
  .cutaway{width:min(340px,72%)}
  .ftr__grid{grid-template-columns:1fr 1fr}
  .industries{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:1180px){
  .nav,.topbar{display:none}
  .burger{display:flex}
  .hdr__bar{gap:14px}
  .nav.is-open{display:flex;position:fixed;top:var(--header-h);left:0;right:0;bottom:0;height:calc(100dvh - var(--header-h));flex-direction:column;align-items:stretch;background:#fff;padding:18px;gap:2px;overflow-y:auto;z-index:70;border-top:1px solid var(--c-line)}
  .nav.is-open .nav__link{font-size:1.1rem;padding:.8em .6em}
  .nav.is-open .nav__sub{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:none;padding:0 0 0 16px;min-width:0;display:none}
  .nav.is-open .nav__item.open .nav__sub{display:block}
  /* Телефон + CTA внизу открытого мобильного меню */
  .nav.is-open .nav__mobilecta{display:flex;flex-direction:column;gap:12px;margin-top:20px;padding-top:18px;border-top:1px solid var(--c-line)}
  .nav__mobilecta .hdr__phone{display:inline-flex;flex-direction:column;font-size:1.4rem}
  .nav__mobilecta .hdr__phone small{display:block;font-family:var(--font-mono);font-weight:400;font-size:.62rem;color:var(--c-muted);text-transform:uppercase;letter-spacing:.03em;margin-top:2px}
  .series,.projects,.cases{grid-template-columns:repeat(2,1fr)}
  .ribbon .wrap,.stats,.compe{grid-template-columns:repeat(2,1fr)}
  .ribbon__item:nth-child(3),.stat:nth-child(3),.compe__i:nth-child(3){border-left:0}
  .ribbon__item,.compe__i{border-top:1px solid #262D36}
  .compe__i{border-top-color:var(--c-line)}
  .audience{grid-template-columns:1fr}
}
@media (max-width:820px){
  [style*="grid-template-columns"]{grid-template-columns:1fr!important}
}
@media (max-width:640px){
  body{font-size:16px}
  .series,.projects,.cases,.stats,.ribbon .wrap,.compe,.grid-2,.cols-2,.industries{grid-template-columns:1fr;columns:1}
  .ribbon__item,.stat,.compe__i{border-left:0;padding-left:0}
  .ribbon__item{padding-left:0}
  .hero h1{font-size:clamp(2rem,8.5vw,2.6rem)}
  .hero__cta .btn{flex:1 1 100%;white-space:normal}
  /* Длинные кнопки «смотреть всё» не должны вылезать за экран */
  .btn{white-space:normal;text-align:center}
  .ftr__grid{grid-template-columns:1fr}
  .ctaband .wrap{flex-direction:column;align-items:flex-start}
  .hdr__cta .btn{display:none}
  .consult{grid-template-columns:1fr;text-align:center}
  .consult__ph{margin:0 auto}
}