/* ============================================================
   НАДЁЖНЫЕ ОКНА — редизайн. Светлая тема «Свет в дом».
   Общий стиль для всех страниц. Дневной свет + переплёт + голубой.
   ============================================================ */

:root{
  --white:#FFFFFF;
  --daylight:#F4F7FA;
  --daylight-2:#EAF0F6;
  --sky-tint:#EDF3FF;
  --ink:#15202B;
  --ink-soft:#33414F;
  --slate:#5B6B7B;
  --slate-300:#93A2B0;
  --hairline:#E1E8F0;
  --hairline-soft:#EDF1F6;
  --blue:#2E6FF2;
  --blue-600:#1E5AD8;
  --blue-700:#1848B0;
  --glass:#7FB0FF;
  --blue-050:#EDF3FF;
  --sun:#F2C36B;
  --ok:#2FA36B;

  --f-cap:0.75rem; --f-body:1rem; --f-h4:1.125rem; --f-h3:1.375rem;
  --f-h2:1.75rem; --f-h1:2.75rem; --f-disp:4.5rem;

  --font-display:'Manrope', system-ui, -apple-system, sans-serif;
  --font-body:'Golos Text', system-ui, -apple-system, sans-serif;
  --font-mono:'JetBrains Mono', ui-monospace, monospace;

  --sp-1:.5rem; --sp-2:1rem; --sp-3:1.5rem; --sp-4:2rem;
  --sp-5:3rem; --sp-6:4rem; --sp-7:6rem;
  --maxw:1240px; --radius:16px; --radius-sm:9px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --shadow-1:0 1px 2px rgba(21,32,43,.04),0 8px 24px rgba(21,32,43,.06);
  --shadow-2:0 24px 60px -22px rgba(21,32,43,.22);
  --shadow-blue:0 14px 34px -10px rgba(46,111,242,.45);
  --header-h:72px;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;scroll-padding-top:var(--header-h)}
body{font-family:var(--font-body);font-size:var(--f-body);line-height:1.6;color:var(--ink);background:var(--white);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
::selection{background:var(--blue);color:#fff}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--sp-3)}
.eyebrow{font-family:var(--font-mono);font-size:var(--f-cap);letter-spacing:.14em;text-transform:uppercase;color:var(--blue-600);display:inline-flex;align-items:center;gap:.6em}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--blue)}
.eyebrow.on-blue{color:rgba(255,255,255,.85)}
.eyebrow.on-blue::before{background:rgba(255,255,255,.7)}

h1,h2,h3{font-family:var(--font-display);font-weight:700;line-height:1.08;letter-spacing:-.02em}
.h2{font-size:clamp(1.6rem,3.4vw,var(--f-h2));font-weight:700}
.lead{font-size:1.125rem;color:var(--slate);max-width:56ch;line-height:1.6}

/* ---- кнопки ---- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.6em;font-family:var(--font-body);font-weight:600;font-size:.95rem;padding:.95rem 1.6rem;border-radius:var(--radius-sm);transition:transform .35s var(--ease),box-shadow .35s var(--ease),background .25s;min-height:48px;white-space:nowrap}
.btn-primary{background:var(--blue);color:#fff;box-shadow:var(--shadow-blue)}
.btn-primary:hover{background:var(--blue-600);transform:translateY(-2px);box-shadow:0 18px 38px -10px rgba(46,111,242,.55)}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--hairline)}
.btn-ghost:hover{border-color:var(--blue);color:var(--blue-600);transform:translateY(-2px)}
.btn-white{background:#fff;color:var(--blue-700)}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 14px 30px -10px rgba(21,32,43,.3)}
.btn-arrow{transition:transform .35s var(--ease)}
.btn:hover .btn-arrow{transform:translateX(4px)}

/* ============================================================ HEADER */
.header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.85);backdrop-filter:blur(16px);border-bottom:1px solid var(--hairline)}
.header__row{display:flex;align-items:center;justify-content:space-between;height:var(--header-h);gap:1.25rem}
.brand{display:flex;align-items:center;gap:.6rem;flex:none}
.brand__mark{width:32px;height:32px;flex:none}
.brand__name{display:block;font-family:var(--font-display);font-weight:600;font-size:1rem;letter-spacing:-.01em;line-height:1.05;color:var(--ink);white-space:nowrap}
.brand__sub{display:block;margin-top:3px;font-family:var(--font-mono);font-size:9px;letter-spacing:.18em;color:var(--blue-600);text-transform:uppercase;white-space:nowrap}
.nav{display:flex;gap:1.35rem;align-items:center}
.nav a{font-size:.9rem;color:var(--slate);transition:color .2s;font-weight:500;white-space:nowrap}
.nav a:hover,.nav a.active{color:var(--blue-600)}
.header__cta{display:flex;align-items:center;gap:1rem;flex:none}
.header__phone{font-family:var(--font-mono);font-weight:500;font-size:.92rem;color:var(--ink);white-space:nowrap;line-height:1.15}
.header__phone span{color:var(--slate-300);font-size:.68rem;display:block;letter-spacing:.06em}
.header__cta .btn{padding:.66rem 1.1rem;min-height:42px}
.burger{display:none;flex-direction:column;gap:5px;padding:8px;flex:none}
.burger span{width:24px;height:2px;background:var(--ink);border-radius:2px;transition:.3s}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobmenu{position:fixed;inset:var(--header-h) 0 auto 0;z-index:49;background:#fff;border-bottom:1px solid var(--hairline);box-shadow:var(--shadow-2);transform:translateY(-8px);opacity:0;pointer-events:none;transition:opacity .25s,transform .25s;max-height:calc(100vh - var(--header-h));overflow:auto}
.mobmenu.open{opacity:1;transform:none;pointer-events:auto}
.mobmenu a{display:block;padding:1rem var(--sp-3);font-weight:600;color:var(--ink);border-top:1px solid var(--hairline-soft);font-size:1.05rem}
.mobmenu a:first-child{border-top:none}
.mobmenu .m-phone{font-family:var(--font-mono);color:var(--blue-700)}
.mobmenu .m-cta{margin:var(--sp-2) var(--sp-3);display:block;text-align:center;background:var(--blue);color:#fff;border-radius:var(--radius-sm);padding:.9rem}

/* ============================================================ HERO (главная) */
.hero{position:relative;background:var(--white);color:var(--ink);overflow:hidden}
.hero__light{position:absolute;inset:0;z-index:0;background:
  radial-gradient(90% 70% at 82% -8%, rgba(127,176,255,.30) 0%, rgba(127,176,255,.08) 38%, transparent 62%),
  radial-gradient(70% 60% at 100% 30%, rgba(46,111,242,.10) 0%, transparent 55%),
  linear-gradient(180deg,#fff 0%,var(--daylight) 100%);}
.hero__grid{position:absolute;inset:0;z-index:1;pointer-events:none;
  background-image:linear-gradient(rgba(21,32,43,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(21,32,43,.05) 1px,transparent 1px);
  background-size:100% 50%,33.333% 100%;mask-image:linear-gradient(90deg,transparent,#000 45%)}
.hero__inner{position:relative;z-index:2;padding-block:clamp(2.5rem,5vw,4.5rem);display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(2rem,4vw,4rem);align-items:center}
.hero__content{min-width:0}
.hero__partner{display:inline-flex;align-items:center;gap:.6rem;font-family:var(--font-mono);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--blue-700);background:var(--blue-050);border:1px solid rgba(46,111,242,.22);padding:.4rem .8rem;border-radius:40px;margin-bottom:var(--sp-3)}
.hero h1{font-size:clamp(2.1rem,4.4vw,3.7rem);font-weight:800;letter-spacing:-.03em;margin-bottom:var(--sp-3);max-width:15ch}
.hero h1 .accent{color:var(--blue)}
.hero__lead{font-size:1.1rem;color:var(--slate);max-width:46ch;margin-bottom:var(--sp-4)}
.hero__actions{display:flex;gap:1rem;flex-wrap:wrap;align-items:center;margin-bottom:0}
.hero__media{position:relative;aspect-ratio:4/4.4;border-radius:calc(var(--radius) + 4px);overflow:hidden;box-shadow:var(--shadow-2);border:1px solid var(--hairline)}
.hero__media img{width:100%;height:100%;object-fit:cover;display:block}
.hero__media::after{content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(21,32,43,0) 55%,rgba(21,32,43,.28) 100%),
  linear-gradient(rgba(255,255,255,.14) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.14) 1px,transparent 1px);
  background-size:100% 100%,100% 33.33%,33.33% 100%}
.hero__badge{position:absolute;left:16px;bottom:16px;z-index:2;display:flex;align-items:center;gap:.7rem;background:rgba(255,255,255,.92);backdrop-filter:blur(6px);border:1px solid rgba(255,255,255,.7);border-radius:12px;padding:.7rem .9rem;box-shadow:var(--shadow-1)}
.hero__badge .ic{width:34px;height:34px;border-radius:9px;background:var(--blue-050);display:grid;place-items:center;color:var(--blue-600);flex:none;font-size:1.05rem}
.hero__badge b{display:block;font-family:var(--font-display);font-weight:600;font-size:.95rem;color:var(--ink);line-height:1}
.hero__badge>span>span{font-family:var(--font-mono);font-size:.66rem;letter-spacing:.06em;text-transform:uppercase;color:var(--slate)}
.hero__rating{display:flex;align-items:center;gap:.7rem;font-size:.9rem;color:var(--slate)}
.stars{color:var(--sun);letter-spacing:2px;font-size:1rem}

/* ============================================================ SUBHERO (внутренние страницы) */
.subhero{position:relative;background:linear-gradient(180deg,var(--sky-tint),#fff);border-bottom:1px solid var(--hairline);overflow:hidden}
.subhero__grid{position:absolute;inset:0;pointer-events:none;background-image:linear-gradient(rgba(21,32,43,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(21,32,43,.045) 1px,transparent 1px);background-size:100% 50%,20% 100%;mask-image:linear-gradient(90deg,transparent,#000 60%)}
.subhero__inner{position:relative;z-index:1;padding-block:clamp(1.6rem,3vw,2.6rem) clamp(2rem,4vw,3rem)}
.subhero h1{font-size:clamp(1.9rem,4.2vw,3.1rem);font-weight:700;letter-spacing:-.02em;margin:.6rem 0 .8rem;max-width:20ch}
.subhero .lead{max-width:60ch}
.breadcrumb{display:flex;gap:.5rem;align-items:center;font-family:var(--font-mono);font-size:.72rem;letter-spacing:.05em;color:var(--slate);text-transform:uppercase;flex-wrap:wrap}
.breadcrumb a:hover{color:var(--blue-600)}
.breadcrumb .sep{color:var(--slate-300)}

/* ============================================================ TRUST */
.trust{background:var(--daylight);border-top:1px solid var(--hairline);border-bottom:1px solid var(--hairline)}
.trust__grid{display:grid;grid-template-columns:repeat(5,1fr)}
.trust__cell{padding:var(--sp-4) var(--sp-2);border-right:1px solid var(--hairline);text-align:center}
.trust__cell:last-child{border-right:none}
.trust__num{font-family:var(--font-display);font-weight:600;font-size:clamp(1.6rem,3vw,2.3rem);color:var(--ink);letter-spacing:-.02em;line-height:1}
.trust__num .u{color:var(--blue)}
.trust__lab{font-family:var(--font-mono);font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;color:var(--slate);margin-top:.6rem}

/* ============================================================ секции */
.section{padding:clamp(3rem,6vw,var(--sp-7)) 0}
.section--tint{background:var(--daylight)}
.section--sky{background:linear-gradient(180deg,var(--sky-tint),#fff)}
.section__head{display:flex;justify-content:space-between;align-items:flex-end;gap:var(--sp-3);margin-bottom:var(--sp-5);flex-wrap:wrap}
.section__head h2{font-size:clamp(1.7rem,3.8vw,2.3rem);max-width:20ch}

/* ---- матрица систем ---- */
.matrix{width:100%;border-collapse:collapse;font-size:.95rem;background:var(--white);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-1);border:1px solid var(--hairline);min-width:640px}
.matrix thead th{background:var(--daylight);color:var(--ink);font-family:var(--font-display);font-weight:500;font-size:1rem;text-align:center;padding:1.1rem .6rem;letter-spacing:-.01em;border-bottom:2px solid var(--hairline)}
.matrix thead th.feat{background:var(--blue);color:#fff;border-bottom-color:var(--blue-700)}
.matrix thead th small{display:block;font-family:var(--font-mono);font-size:.62rem;font-weight:400;letter-spacing:.06em;color:var(--slate);margin-top:.25rem;text-transform:uppercase}
.matrix thead th.feat small{color:rgba(255,255,255,.9)}
.matrix th.rowlab{text-align:left;font-family:var(--font-mono);font-size:.72rem;letter-spacing:.05em;text-transform:uppercase;color:var(--slate);font-weight:500;background:var(--white);padding:.85rem 1.1rem;white-space:nowrap}
.matrix td{text-align:center;padding:.85rem .6rem;border-top:1px solid var(--hairline-soft);font-family:var(--font-mono);font-weight:500;color:var(--ink)}
.matrix td.feat{background:var(--blue-050)}
.matrix tbody tr:hover td{background:var(--sky-tint)}
.matrix tbody tr:hover td.feat{background:#E1EBFF}
.matrix__wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:var(--radius)}
.matrix__foot{display:flex;gap:.5rem;flex-wrap:wrap;margin-top:var(--sp-3)}
.chip{font-family:var(--font-mono);font-size:.72rem;color:var(--slate);background:#fff;border:1px solid var(--hairline);border-radius:30px;padding:.35rem .8rem}
.scroll-hint{display:none;font-family:var(--font-mono);font-size:.7rem;color:var(--slate-300);margin-bottom:.6rem}

/* ---- карточки решений / систем ---- */
.cards3{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--sp-3)}
.solution{background:var(--white);border:1px solid var(--hairline);border-radius:var(--radius);overflow:hidden;transition:transform .4s var(--ease),box-shadow .4s var(--ease);display:flex;flex-direction:column}
.solution:hover{transform:translateY(-6px);box-shadow:var(--shadow-2)}
.solution__img{aspect-ratio:4/3;background:linear-gradient(150deg,#DCE8FA,#EFF4FB 60%,#fff);position:relative;overflow:hidden}
.solution__img .glz{position:absolute;inset:12% 14%;border:2px solid rgba(46,111,242,.28);border-radius:4px;background:linear-gradient(120deg,rgba(255,255,255,.5),rgba(127,176,255,.12))}
.solution__img .glz::before,.solution__img .glz::after{content:"";position:absolute;background:rgba(46,111,242,.22)}
.solution__img .glz::before{left:50%;top:0;bottom:0;width:2px}
.solution__img .glz::after{top:50%;left:0;right:0;height:2px}
.solution__img .beam{position:absolute;inset:0;background:radial-gradient(55% 45% at 78% 12%,rgba(255,255,255,.85),transparent 60%)}
.solution__tag{position:absolute;top:12px;left:12px;font-family:var(--font-mono);font-size:.66rem;letter-spacing:.08em;text-transform:uppercase;color:var(--blue-700);background:rgba(255,255,255,.8);border:1px solid rgba(46,111,242,.2);padding:.3rem .6rem;border-radius:20px;z-index:2}
.solution__body{padding:var(--sp-3);display:flex;flex-direction:column;gap:.6rem;flex:1}
.solution h3{font-size:var(--f-h3);font-weight:600}
.solution p{color:var(--slate);font-size:.95rem;flex:1}
.solution__from{font-family:var(--font-mono);font-size:.85rem;color:var(--slate)}
.solution__from b{color:var(--blue-600);font-size:1.05rem}
.solution__link{display:inline-flex;align-items:center;gap:.4rem;font-weight:600;color:var(--blue-600);font-size:.9rem;margin-top:.3rem}

/* ---- каталог систем (sistemy.html) ---- */
.syscards{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--sp-3)}
.syscard{display:flex;flex-direction:column;background:var(--white);border:1px solid var(--hairline);border-radius:var(--radius);padding:var(--sp-3);transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .3s}
.syscard:hover{transform:translateY(-5px);box-shadow:var(--shadow-2);border-color:var(--glass)}
.syscard.is-feat{border-color:var(--blue);box-shadow:0 0 0 1px var(--blue) inset}
.syscard__top{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:.6rem}
.syscard__name{font-family:var(--font-display);font-weight:600;font-size:1.4rem;letter-spacing:-.01em}
.syscard__tag{font-family:var(--font-mono);font-size:.62rem;text-transform:uppercase;letter-spacing:.06em;color:var(--blue-700);background:var(--blue-050);padding:.3rem .55rem;border-radius:20px;white-space:nowrap}
.syscard.is-feat .syscard__tag{background:var(--blue);color:#fff}
.syscard__desc{color:var(--slate);font-size:.92rem;margin-bottom:var(--sp-2);flex:1}
.syscard__specs{display:grid;grid-template-columns:1fr 1fr;gap:.5rem;margin-bottom:var(--sp-2);font-family:var(--font-mono);font-size:.78rem}
.syscard__specs div{display:flex;justify-content:space-between;gap:.5rem;padding:.4rem .6rem;background:var(--daylight);border-radius:8px}
.syscard__specs b{color:var(--ink)}
.syscard__specs span{color:var(--slate)}
.syscard__foot{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--hairline-soft);padding-top:var(--sp-2)}
.syscard__price{font-family:var(--font-mono);font-size:.82rem;color:var(--slate)}
.syscard__price b{color:var(--blue-600);font-size:1.02rem}
.syscard__more{font-weight:600;color:var(--blue-600);font-size:.9rem;display:inline-flex;gap:.35rem;align-items:center}

/* ---- процесс ---- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--sp-3)}
.step{background:var(--white);border:1px solid var(--hairline);padding:var(--sp-3);border-radius:var(--radius);min-height:180px;display:flex;flex-direction:column;gap:.5rem;transition:transform .35s var(--ease),box-shadow .35s var(--ease)}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-1)}
.step__n{font-family:var(--font-mono);font-size:.9rem;color:var(--blue);font-weight:600;letter-spacing:.05em}
.step h3{font-size:1.15rem;font-weight:600;color:var(--ink)}
.step p{font-size:.88rem;color:var(--slate);line-height:1.5}

/* ---- split / почему мы ---- */
.split{display:grid;grid-template-columns:1.1fr .9fr;gap:var(--sp-5);align-items:center}
.feature-list{display:flex;flex-direction:column;gap:0;margin-top:var(--sp-3)}
.feature{display:flex;gap:1rem;padding:1.1rem 0;border-top:1px solid var(--hairline)}
.feature__ic{width:42px;height:42px;flex:none;border-radius:11px;background:var(--blue-050);display:grid;place-items:center;color:var(--blue-600);font-size:1.1rem}
.feature h3{font-size:1.05rem;font-weight:600;margin-bottom:.2rem}
.feature p{font-size:.9rem;color:var(--slate)}
.prodpane{aspect-ratio:3/4;border-radius:var(--radius);background:linear-gradient(160deg,#D8E6FA,#EEF4FB 55%,#fff);position:relative;overflow:hidden;box-shadow:var(--shadow-2);border:1px solid var(--hairline)}
.prodpane .beam{position:absolute;inset:0;background:radial-gradient(60% 40% at 72% 12%,rgba(255,255,255,.9),transparent 62%)}
.prodpane .frame{position:absolute;inset:9%;border:3px solid rgba(46,111,242,.22);border-radius:6px;background:linear-gradient(120deg,rgba(255,255,255,.35),rgba(127,176,255,.1))}
.prodpane .frame::before{content:"";position:absolute;left:50%;top:0;bottom:0;width:3px;background:rgba(46,111,242,.18);transform:translateX(-50%)}
.prodpane .cap{position:absolute;left:9%;bottom:8%;font-family:var(--font-mono);font-size:.7rem;color:var(--blue-700);letter-spacing:.05em}
.prodpane.has-photo{background:none}
.prodpane.has-photo img{width:100%;height:100%;object-fit:cover}

/* ---- отзывы ---- */
.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--sp-3)}
.review{background:var(--white);border:1px solid var(--hairline);border-radius:var(--radius);padding:var(--sp-3);display:flex;flex-direction:column;gap:.8rem;box-shadow:var(--shadow-1)}
.review__top{display:flex;justify-content:space-between;align-items:center}
.review__stars{color:var(--sun);letter-spacing:1px}
.review__src{font-family:var(--font-mono);font-size:.62rem;color:var(--slate);text-transform:uppercase;letter-spacing:.08em}
.review p{font-size:.95rem;color:var(--ink-soft);line-height:1.55;flex:1}
.review__who{display:flex;align-items:center;gap:.7rem;border-top:1px solid var(--hairline-soft);padding-top:.8rem}
.review__av{width:36px;height:36px;border-radius:50%;background:var(--blue-050);display:grid;place-items:center;font-weight:600;color:var(--blue-600);font-size:.85rem}
.review__who b{font-size:.9rem;font-weight:600}
.review__who span{font-size:.75rem;color:var(--slate)}

/* ---- FAQ ---- */
.faq{max-width:820px;margin:0 auto}
.qa{border-top:1px solid var(--hairline)}
.qa:last-child{border-bottom:1px solid var(--hairline)}
.qa__q{width:100%;text-align:left;display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:1.3rem 0;font-size:1.05rem;font-weight:600;color:var(--ink)}
.qa__ic{flex:none;width:26px;height:26px;border-radius:50%;border:1px solid var(--hairline);display:grid;place-items:center;color:var(--blue-600);transition:transform .3s,background .3s}
.qa[open] .qa__ic{transform:rotate(45deg);background:var(--blue);color:#fff;border-color:var(--blue)}
.qa__a{padding:0 0 1.4rem;color:var(--slate);font-size:.98rem;line-height:1.6;max-width:70ch}
.qa summary{list-style:none}
.qa summary::-webkit-details-marker{display:none}

/* ---- CTA / контакты ---- */
.contact{border-radius:var(--radius);overflow:hidden;display:grid;grid-template-columns:1fr 1fr;box-shadow:var(--shadow-2);border:1px solid var(--hairline)}
.contact__l{background:linear-gradient(155deg,var(--blue),var(--blue-700));color:#fff;padding:clamp(2rem,4vw,var(--sp-5));position:relative;overflow:hidden}
.contact__l .beam{position:absolute;inset:0;background:radial-gradient(60% 55% at 15% 0%,rgba(255,255,255,.22),transparent 58%);pointer-events:none}
.contact__l .grid{position:absolute;inset:0;opacity:.5;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:100% 33%,33% 100%;mask-image:linear-gradient(160deg,#000,transparent 70%)}
.contact__l h2{font-size:clamp(1.6rem,3vw,2.1rem);margin-bottom:var(--sp-2);position:relative}
.contact__l p{color:rgba(255,255,255,.82);margin-bottom:var(--sp-3);position:relative;max-width:40ch}
.contact__info{position:relative;display:flex;flex-direction:column;gap:.9rem;font-family:var(--font-mono);font-size:.9rem}
.contact__info div{display:flex;gap:.7rem;color:rgba(255,255,255,.92)}
.contact__info span{color:#BFD4FF;flex:none}
.contact__form{background:var(--white);padding:clamp(2rem,4vw,var(--sp-5));color:var(--ink)}
.contact__form h3{font-family:var(--font-display);font-size:1.3rem;margin-bottom:.4rem;font-weight:600}
.contact__form>p{color:var(--slate);font-size:.9rem;margin-bottom:var(--sp-3)}
.field{margin-bottom:var(--sp-2)}
.field label{display:block;font-family:var(--font-mono);font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;color:var(--slate);margin-bottom:.4rem}
.field input,.field select,.field textarea{width:100%;padding:.9rem 1rem;border:1px solid var(--hairline);border-radius:var(--radius-sm);font-family:var(--font-body);font-size:1rem;background:var(--daylight);transition:border .2s,background .2s;color:var(--ink)}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--blue);background:#fff;box-shadow:0 0 0 3px rgba(46,111,242,.15)}
.consent{font-size:.75rem;color:var(--slate);margin-top:.8rem}
.contact__form .btn-primary{width:100%;margin-top:.4rem}

/* ============================================================ FOOTER */
.footer{background:var(--daylight);border-top:1px solid var(--hairline);padding:var(--sp-5) 0 var(--sp-3)}
.footer__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:var(--sp-4);padding-bottom:var(--sp-4);border-bottom:1px solid var(--hairline)}
.footer__brand p{color:var(--slate);font-size:.88rem;max-width:36ch;margin-top:1rem}
.footer h4{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--slate-300);margin-bottom:1rem}
.footer ul{list-style:none;display:flex;flex-direction:column;gap:.6rem}
.footer ul a{color:var(--slate);font-size:.9rem}
.footer ul a:hover{color:var(--blue-600)}
.footer__bottom{display:flex;justify-content:space-between;padding-top:var(--sp-3);color:var(--slate-300);font-size:.8rem;font-family:var(--font-mono);flex-wrap:wrap;gap:1rem}

/* ============================================================ PROSE / детальная система */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:var(--sp-5);align-items:start}
.prose p{color:var(--ink-soft);margin-bottom:var(--sp-2);max-width:66ch}
.prose h2{font-size:clamp(1.4rem,3vw,1.9rem);margin:var(--sp-4) 0 var(--sp-2)}
.prose ul{margin:0 0 var(--sp-2) 1.1rem;color:var(--ink-soft)}
.prose li{margin-bottom:.4rem}
.spectable{width:100%;border-collapse:collapse;background:var(--white);border:1px solid var(--hairline);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-1)}
.spectable tr{border-top:1px solid var(--hairline-soft)}
.spectable tr:first-child{border-top:none}
.spectable th{text-align:left;padding:.85rem 1rem;font-family:var(--font-mono);font-size:.78rem;text-transform:uppercase;letter-spacing:.04em;color:var(--slate);font-weight:500;width:52%;vertical-align:top}
.spectable td{text-align:right;padding:.85rem 1rem;font-family:var(--font-mono);font-weight:600;color:var(--ink);font-size:.9rem}
.hl-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--sp-2);margin:var(--sp-3) 0}
.hl{background:var(--white);border:1px solid var(--hairline);border-radius:var(--radius);padding:var(--sp-3) var(--sp-2);text-align:center}
.hl b{display:block;font-family:var(--font-display);font-size:1.5rem;color:var(--ink)}
.hl span{font-family:var(--font-mono);font-size:.66rem;text-transform:uppercase;letter-spacing:.06em;color:var(--slate);margin-top:.3rem;display:block}
.sysnav{display:flex;gap:.5rem;flex-wrap:wrap;margin-top:var(--sp-3)}
.sysnav a{font-family:var(--font-mono);font-size:.8rem;padding:.5rem .9rem;border:1px solid var(--hairline);border-radius:30px;color:var(--slate);transition:.2s}
.sysnav a:hover,.sysnav a.active{background:var(--blue);color:#fff;border-color:var(--blue)}

/* ============================================================ КАЛЬКУЛЯТОР / КОНСТРУКТОР */
.calc{display:grid;grid-template-columns:1fr 1.15fr;gap:var(--sp-4);align-items:start}
.calc__preview{position:sticky;top:calc(var(--header-h) + 1rem);background:linear-gradient(170deg,#EAF1FB,#F7FAFE);border:1px solid var(--hairline);border-radius:var(--radius);padding:var(--sp-3);box-shadow:var(--shadow-1)}
.calc__stage{display:grid;place-items:center;min-height:340px;padding:var(--sp-2)}
.calc__stage svg{max-width:100%;height:auto;filter:drop-shadow(0 18px 30px rgba(21,32,43,.16))}
.calc__hintrow{display:flex;justify-content:space-between;align-items:center;font-family:var(--font-mono);font-size:.72rem;color:var(--slate);margin-top:.4rem}
.calc__price{margin-top:var(--sp-3);background:var(--white);border:1px solid var(--hairline);border-radius:var(--radius);padding:var(--sp-3)}
.calc__price .row{display:flex;justify-content:space-between;align-items:baseline;gap:1rem}
.calc__price .total{font-family:var(--font-display);font-weight:700;font-size:2rem;color:var(--ink);letter-spacing:-.02em}
.calc__price .old{font-family:var(--font-mono);color:var(--slate-300);text-decoration:line-through;font-size:.9rem}
.calc__price .note{font-family:var(--font-mono);font-size:.7rem;color:var(--slate);margin-top:.4rem}
.calc__price .btn-primary{width:100%;margin-top:var(--sp-2)}
.calc__breakdown{margin-top:var(--sp-2);font-family:var(--font-mono);font-size:.78rem;color:var(--slate);display:none;flex-direction:column;gap:.35rem}
.calc__breakdown.open{display:flex}
.calc__breakdown div{display:flex;justify-content:space-between}
.calc__toggle{font-family:var(--font-mono);font-size:.72rem;color:var(--blue-600);margin-top:.6rem;cursor:pointer;display:inline-flex;gap:.3rem}

.calc__controls{display:flex;flex-direction:column;gap:var(--sp-4)}
.cstep{background:var(--white);border:1px solid var(--hairline);border-radius:var(--radius);padding:var(--sp-3)}
.cstep__h{display:flex;align-items:center;gap:.7rem;margin-bottom:var(--sp-2)}
.cstep__n{width:26px;height:26px;flex:none;border-radius:50%;background:var(--blue-050);color:var(--blue-600);display:grid;place-items:center;font-family:var(--font-mono);font-size:.8rem;font-weight:600}
.cstep__h h3{font-size:1.05rem;font-weight:600}
.opts{display:flex;flex-wrap:wrap;gap:.6rem}
.opt{position:relative;display:flex;flex-direction:column;gap:.15rem;padding:.7rem .9rem;border:1px solid var(--hairline);border-radius:10px;cursor:pointer;transition:.2s;background:var(--white);min-width:0}
.opt:hover{border-color:var(--glass)}
.opt input{position:absolute;opacity:0;pointer-events:none}
.opt .t{font-weight:600;font-size:.92rem}
.opt .s{font-family:var(--font-mono);font-size:.68rem;color:var(--slate)}
.opt.sel{border-color:var(--blue);background:var(--blue-050);box-shadow:0 0 0 1px var(--blue) inset}
.opts--grid{display:grid;grid-template-columns:repeat(3,1fr)}
.opts--sys{display:grid;grid-template-columns:repeat(3,1fr)}
.rangewrap label{display:flex;justify-content:space-between;font-family:var(--font-mono);font-size:.8rem;color:var(--slate);margin-bottom:.5rem}
.rangewrap label b{color:var(--ink);font-size:.95rem}
.rangewrap input[type=range]{width:100%;-webkit-appearance:none;height:6px;border-radius:6px;background:var(--daylight-2);outline:none;margin-bottom:var(--sp-3)}
.rangewrap input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:22px;height:22px;border-radius:50%;background:var(--blue);cursor:pointer;box-shadow:0 2px 8px rgba(46,111,242,.5);border:3px solid #fff}
.rangewrap input[type=range]::-moz-range-thumb{width:22px;height:22px;border-radius:50%;background:var(--blue);cursor:pointer;border:3px solid #fff}
.checks{display:grid;grid-template-columns:1fr 1fr;gap:.6rem}
.chk{display:flex;align-items:center;gap:.6rem;padding:.7rem .9rem;border:1px solid var(--hairline);border-radius:10px;cursor:pointer;font-size:.9rem;transition:.2s}
.chk:hover{border-color:var(--glass)}
.chk.sel{border-color:var(--blue);background:var(--blue-050)}
.chk input{width:18px;height:18px;accent-color:var(--blue);flex:none}
.chk .price{margin-left:auto;font-family:var(--font-mono);font-size:.75rem;color:var(--slate)}

/* ---- наши работы (галерея) ---- */
.works{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--sp-3)}
.works--wide .work:first-child{grid-column:span 2;grid-row:span 2}
.work{position:relative;border-radius:var(--radius);overflow:hidden;aspect-ratio:4/3;border:1px solid var(--hairline);display:block}
.work img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.work:hover img{transform:scale(1.06)}
.work__ov{position:absolute;inset:0;background:linear-gradient(180deg,transparent 42%,rgba(21,32,43,.74));display:flex;flex-direction:column;justify-content:flex-end;padding:var(--sp-3)}
.work__tag{font-family:var(--font-mono);font-size:.64rem;text-transform:uppercase;letter-spacing:.08em;color:#BFD4FF;margin-bottom:.35rem}
.work__t{font-family:var(--font-display);font-weight:600;font-size:1.05rem;color:#fff;line-height:1.1}
.work__meta{font-size:.82rem;color:rgba(255,255,255,.78);margin-top:.25rem;font-family:var(--font-mono)}
@media(max-width:960px){.works{grid-template-columns:1fr 1fr}.works--wide .work:first-child{grid-column:span 2;grid-row:auto}}
@media(max-width:680px){.works{grid-template-columns:1fr}.works--wide .work:first-child{grid-column:auto}}

/* ---- липкая мобильная CTA-панель ---- */
.mcta{position:fixed;left:0;right:0;bottom:0;z-index:48;display:none;gap:.6rem;padding:.55rem .7rem;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-top:1px solid var(--hairline);box-shadow:0 -8px 24px rgba(21,32,43,.1)}
.mcta a{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;min-height:50px;border-radius:var(--radius-sm);font-weight:600;font-size:.98rem}
.mcta .call{flex:0 0 56px;background:var(--daylight-2);color:var(--blue-700);border:1px solid var(--hairline);font-size:1.2rem}
.mcta .go{flex:1;background:var(--blue);color:#fff;box-shadow:var(--shadow-blue)}
@media(max-width:700px){ .mcta{display:flex} body{padding-bottom:76px} }

/* ---- успешная отправка формы ---- */
.form-success{text-align:center;padding:var(--sp-3) 0}
.form-success .ic{width:56px;height:56px;border-radius:50%;background:var(--blue-050);color:var(--blue-600);display:grid;place-items:center;font-size:1.7rem;margin:0 auto var(--sp-2)}
.form-success h3{font-family:var(--font-display);font-weight:600;font-size:1.2rem;margin-bottom:.4rem}
.form-success p{color:var(--slate);font-size:.9rem;line-height:1.5}
.field input.invalid{border-color:#E5484D;background:#FFF5F5}

/* ============================================================ утилиты */
.center{text-align:center}
.mt-1{margin-top:var(--sp-2)}.mt-2{margin-top:var(--sp-3)}.mt-3{margin-top:var(--sp-4)}
.reveal{opacity:1;transform:none}

/* ============================================================ АДАПТИВ */
@media(max-width:1180px){ .nav{display:none} .burger{display:flex} .header__cta .btn{display:none} }
@media(max-width:1024px){
  .calc{grid-template-columns:1fr}
  .calc__preview{position:static;order:-1}
  .calc__stage{min-height:280px}
  .opts--sys{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:960px){
  .hero__inner{grid-template-columns:1fr;gap:var(--sp-4)}
  .hero__media{aspect-ratio:16/10;max-height:380px}
  .hero h1{max-width:20ch}
  .split,.grid-2{grid-template-columns:1fr;gap:var(--sp-4)}
  .prodpane{max-width:460px}
  .contact{grid-template-columns:1fr}
  .cards3,.reviews,.steps,.syscards{grid-template-columns:1fr 1fr}
  .footer__grid{grid-template-columns:1fr 1fr}
  .hl-cards{grid-template-columns:repeat(2,1fr)}
  .scroll-hint{display:block}
}
@media(max-width:680px){
  :root{--f-disp:3rem}
  .header__phone span{display:none}
  .header__phone{font-size:.82rem}
  .header{--header-h:64px}
  .trust__grid{grid-template-columns:repeat(3,1fr)}
  .trust__cell:nth-child(n+4){border-top:1px solid var(--hairline)}
  .trust__cell:nth-child(3n){border-right:none}
  .cards3,.reviews,.steps,.syscards{grid-template-columns:1fr}
  .footer__grid{grid-template-columns:1fr}
  .footer__bottom{flex-direction:column;gap:.4rem}
  .hero__actions{flex-direction:column;align-items:stretch}
  .hero__actions .btn{width:100%}
  .hero__rating{justify-content:center;margin-top:.3rem}
  .section__head{flex-direction:column;align-items:flex-start}
  .section__head .btn{width:100%}
  .checks{grid-template-columns:1fr}
  .opts--grid,.opts--sys{grid-template-columns:1fr 1fr}
  .subhero h1{font-size:1.7rem}
}
@media(max-width:420px){
  .header__phone{display:none}
  .trust__grid{grid-template-columns:1fr 1fr}
  .trust__cell:nth-child(3n){border-right:1px solid var(--hairline)}
  .trust__cell:nth-child(2n){border-right:none}
  .opts--grid,.opts--sys{grid-template-columns:1fr}
  .hl-cards{grid-template-columns:1fr 1fr}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}