/* ============================================================
   Selina — фирменный стиль «Осевая линия» (web)
   Токены: GRAPHITE 161C1A · PANEL 1F2624 · BONE F2EEE4 · GREIGE CFCCC0
           STEEL 8E9287 · HAIR 3A403A · ORANGE EF8032 (единственный акцент)
   ============================================================ */

@font-face{font-family:"Selina Sans";font-weight:800;font-display:swap;src:url(../fonts/SelinaSans-800.woff2) format("woff2")}
@font-face{font-family:"Selina Sans";font-weight:600;font-display:swap;src:url(../fonts/SelinaSans-600.woff2) format("woff2")}
@font-face{font-family:"Manrope";font-weight:400;font-display:swap;src:url(../fonts/Manrope-400.woff2) format("woff2")}
@font-face{font-family:"Manrope";font-weight:600;font-display:swap;src:url(../fonts/Manrope-600.woff2) format("woff2")}
@font-face{font-family:"Manrope";font-weight:800;font-display:swap;src:url(../fonts/Manrope-800.woff2) format("woff2")}
@font-face{font-family:"JetBrains Mono";font-weight:400;font-display:swap;src:url(../fonts/JBM.woff2) format("woff2")}
@font-face{font-family:"JetBrains Mono";font-weight:700;font-display:swap;src:url(../fonts/JBM-Bold.woff2) format("woff2")}

:root{
  --graphite:#161C1A; --panel:#1F2624; --bone:#F2EEE4; --greige:#CFCCC0;
  --steel:#8E9287; --hair:#3A403A; --orange:#EF8032;
  --display:"Selina Sans","Manrope",system-ui,sans-serif;
  --text:"Manrope",system-ui,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,Menlo,monospace;
  --gutter:clamp(16px,4vw,64px);
  --max:1280px;
  --axis:repeating-linear-gradient(90deg,var(--steel) 0 10px,transparent 10px 15px,var(--steel) 15px 17px,transparent 17px 22px);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--graphite);color:var(--greige);font:400 17px/1.6 var(--text);
  background-image:url(../img/grid.png);background-size:1000px auto;background-attachment:fixed}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
a:hover{color:var(--bone)}
h1,h2,h3,h4{font-family:var(--display);font-weight:800;color:var(--bone);line-height:1.08;margin:0 0 .4em;letter-spacing:-.01em}
h1{font-size:clamp(40px,6vw,84px)}
h2{font-size:clamp(30px,4vw,52px)}
h3{font-size:clamp(22px,2.4vw,30px);font-weight:600}
h4{font-size:19px;font-weight:600}
p{margin:0 0 1em;max-width:62ch}
strong{color:var(--bone);font-weight:600}
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--gutter)}

/* --- надзаголовок mono в разрядку --- */
.kicker{font:400 12px/1 var(--mono);letter-spacing:.32em;text-transform:uppercase;color:var(--orange);margin:0 0 22px}
.kicker.steel{color:var(--steel)}
.mono{font-family:var(--mono);letter-spacing:.18em;text-transform:uppercase;font-size:11px;color:var(--steel)}

/* --- осевая линия: штрихпунктир со шпангоутами --- */
.axis{position:relative;height:1px;background:var(--axis);margin:0}
.axis::before,.axis::after{content:"";position:absolute;top:-5px;width:1px;height:11px;background:var(--steel)}
.axis::before{left:0}.axis::after{right:0}
.axis-v{width:1px;align-self:stretch;background:repeating-linear-gradient(180deg,var(--steel) 0 10px,transparent 10px 15px,var(--steel) 15px 17px,transparent 17px 22px)}

/* --- шапка --- */
.top{position:sticky;top:0;z-index:50;background:rgba(22,28,26,.86);backdrop-filter:blur(10px);border-bottom:1px solid var(--hair)}
.top .wrap{display:flex;align-items:center;gap:28px;height:72px}
.logo img{height:30px;width:auto}
.nav{display:flex;gap:26px;margin-left:auto;font-size:14px;font-weight:600;letter-spacing:.01em}
.nav a{color:var(--greige);padding:6px 0;border-bottom:1px solid transparent}
.nav a:hover,.nav a[aria-current]{color:var(--bone);border-bottom-color:var(--orange)}
.lang{font:400 12px/1 var(--mono);letter-spacing:.2em;color:var(--steel);margin-left:12px}
.lang a{padding:4px 6px}.lang .on{color:var(--bone)}
.burger{display:none;margin-left:auto;background:none;border:1px solid var(--hair);color:var(--greige);width:44px;height:44px;border-radius:4px;font-size:20px}
@media (max-width:900px){
  .nav{display:none;position:absolute;left:0;right:0;top:72px;flex-direction:column;gap:0;background:var(--graphite);border-bottom:1px solid var(--hair);padding:8px var(--gutter) 16px}
  .nav a{padding:12px 0;border-bottom:1px solid var(--hair)}
  .top.open .nav{display:flex}
  .burger{display:block}
  .lang{margin-left:auto}
}

/* --- hero --- */
.hero{position:relative;min-height:min(88vh,860px);display:flex;align-items:flex-end;overflow:hidden;isolation:isolate}
.hero img.bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:72% 50%;z-index:-2}
.hero::before{content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(90deg,rgba(22,28,26,.92) 0%,rgba(22,28,26,.55) 45%,rgba(22,28,26,.05) 100%),
             linear-gradient(0deg,rgba(22,28,26,.95) 0%,rgba(22,28,26,.2) 40%,rgba(22,28,26,0) 70%)}
.hero .wrap{padding-top:120px;padding-bottom:64px;width:100%}
.hero h1{max-width:14ch}
.hero .lead{font-size:clamp(17px,1.5vw,21px);max-width:52ch;color:var(--greige);margin:18px 0 36px}
.hero-stats{display:flex;flex-wrap:wrap;gap:0 48px;margin-top:40px;padding-top:28px;position:relative}
.hero-stats::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:var(--axis)}

/* --- числа-герои --- */
.stat{min-width:140px;padding:6px 0}
.stat b{display:block;font:800 clamp(34px,4vw,52px)/1 var(--display);color:var(--bone);letter-spacing:-.02em}
.stat b small{font:600 .42em/1 var(--display);color:var(--greige);margin-left:.18em;letter-spacing:0}
.stat span{display:block;margin-top:8px;font:400 11px/1.3 var(--mono);letter-spacing:.2em;text-transform:uppercase;color:var(--steel)}
.stat.breve b{position:relative;display:inline-block}
.stat.breve b::before{content:"";position:absolute;left:0;top:-.42em;width:.52em;height:.32em;background:url(../img/breve.png) no-repeat center/contain}

/* --- секции --- */
.section{padding:clamp(64px,9vw,128px) 0}
.section.tight{padding:clamp(40px,6vw,80px) 0}
.section-head{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:end;margin-bottom:48px}
.section-head p{color:var(--greige);margin:0}
@media (max-width:800px){.section-head{grid-template-columns:1fr}}

/* --- направления (плитки) --- */
.dirs{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--hair);border:1px solid var(--hair)}
.dir{background:var(--panel);padding:40px 32px 36px;position:relative;display:flex;flex-direction:column;min-height:360px;transition:background .2s}
.dir:hover{background:#242c29}
.dir .idx{font:400 12px/1 var(--mono);letter-spacing:.25em;color:var(--orange);margin-bottom:28px}
.dir h3{margin-bottom:14px}
.dir p{font-size:15.5px;color:var(--greige);flex:1}
.dir .more{font:600 13px/1 var(--text);color:var(--bone);display:inline-flex;align-items:center;gap:10px;margin-top:22px}
.dir .more::after{content:"→";color:var(--orange)}
.dir .tag{font:400 11px/1 var(--mono);letter-spacing:.18em;text-transform:uppercase;color:var(--steel);margin-top:10px}
@media (max-width:900px){.dirs{grid-template-columns:1fr}.dir{min-height:0}}

/* --- медиа-блок (фото с чертёжными выносками) --- */
.figure{position:relative;border:1px solid var(--hair);overflow:hidden;background:var(--panel)}
.figure img{width:100%}
.callout{position:absolute;display:flex;align-items:center;gap:0;font:400 10.5px/1 var(--mono);letter-spacing:.22em;text-transform:uppercase;color:var(--bone);white-space:nowrap}
.callout i{width:8px;height:8px;border-radius:50%;background:var(--orange);flex:none}
.callout s{display:block;height:1px;width:46px;background:var(--steel);text-decoration:none}
.callout em{font-style:normal;padding:0 0 0 8px}
@media (max-width:640px){.callout{display:none}}

/* --- двухколоночный текст + фото --- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,80px);align-items:center}
.split.rev>.figure{order:-1}
@media (max-width:860px){.split{grid-template-columns:1fr}.split.rev>.figure{order:0}}

/* --- спецификации --- */
.spec{width:100%;border-collapse:collapse;font-size:15px}
.spec th,.spec td{text-align:left;padding:13px 0;border-bottom:1px solid var(--hair);vertical-align:top}
.spec th{font-weight:400;color:var(--steel);width:48%;padding-right:16px}
.spec td{color:var(--bone);font-weight:600}
.spec td .u{color:var(--greige);font-weight:400;margin-left:.3em}
.spec caption{text-align:left;caption-side:top;padding:0 0 14px;font:400 11px/1 var(--mono);letter-spacing:.25em;text-transform:uppercase;color:var(--orange)}

/* --- сетка карточек-строк (преимущества) --- */
.cols{display:grid;grid-template-columns:repeat(3,1fr);gap:40px 48px}
.cols .col h4{margin-bottom:10px;padding-top:18px;border-top:1px solid var(--hair);position:relative}
.cols .col h4::before{content:"";position:absolute;left:0;top:-1px;width:28px;height:1px;background:var(--orange)}
.cols .col p{font-size:15.5px}
@media (max-width:860px){.cols{grid-template-columns:1fr}}
.cols.two{grid-template-columns:1fr 1fr}
@media (max-width:860px){.cols.two{grid-template-columns:1fr}}

/* --- список применений --- */
.uses{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1px;background:var(--hair);border:1px solid var(--hair)}
.uses div{background:var(--graphite);padding:22px 20px;font-size:15px;color:var(--greige)}
.uses div b{display:block;color:var(--bone);font-weight:600;margin-bottom:4px}

/* --- витрина (студийные фото на графите) --- */
.gallery{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.gallery figure{margin:0;border:1px solid var(--hair);background:var(--panel);padding:12px}
.gallery figcaption{font:400 11px/1.5 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--steel);padding:12px 4px 2px}

/* --- CTA-полоса --- */
.cta{border-top:1px solid var(--hair);border-bottom:1px solid var(--hair);background:var(--panel)}
.cta .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;padding-top:40px;padding-bottom:40px}
.cta h3{margin:0}
.btn{display:inline-block;font:600 14px/1 var(--text);color:var(--graphite);background:var(--bone);padding:16px 26px;border-radius:3px;letter-spacing:.01em;transition:background .15s}
.btn:hover{background:#fff;color:var(--graphite)}
.btn.ghost{background:transparent;color:var(--bone);border:1px solid var(--steel)}
.btn.ghost:hover{border-color:var(--bone)}

/* --- подвал (ватерлиния) --- */
footer{border-top:1px solid var(--hair);padding:44px 0 36px;font-size:14px}
footer .wrap{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px}
footer h5{font:400 11px/1 var(--mono);letter-spacing:.25em;text-transform:uppercase;color:var(--orange);margin:0 0 16px}
footer a{display:block;color:var(--greige);padding:3px 0}
footer .legal{grid-column:1/-1;margin-top:28px;padding-top:18px;border-top:1px solid var(--hair);display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font:400 11px/1.6 var(--mono);letter-spacing:.12em;color:var(--steel)}
@media (max-width:860px){footer .wrap{grid-template-columns:1fr 1fr}}
@media (max-width:520px){footer .wrap{grid-template-columns:1fr}}

/* --- страница: заголовок раздела --- */
.page-head{padding:clamp(56px,9vw,120px) 0 clamp(32px,5vw,64px)}
.page-head h1{max-width:18ch}
.page-head .lead{font-size:clamp(17px,1.4vw,20px);max-width:56ch;margin-top:16px}

/* --- вспомогательное --- */
.note{font:400 12.5px/1.6 var(--mono);color:var(--steel);letter-spacing:.04em}
.muted{color:var(--steel)}
.t-center{text-align:center}
.mt{margin-top:48px}
.badge{display:inline-block;font:400 10.5px/1 var(--mono);letter-spacing:.2em;text-transform:uppercase;color:var(--orange);border:1px solid var(--hair);padding:7px 10px;margin-bottom:18px}