:root{
  --navy:#101a42;
  --navy-2:#172353;
  --orange:#ef7a3a;
  --orange-2:#ff9258;
  --green:#00865b;
  --ink:#13201c;
  --muted:#65716c;
  --paper:#f5f7f6;
  --white:#fff;
  --line:rgba(16,26,66,.12);
  --shadow:0 22px 70px rgba(10,20,46,.14);
  --section-width:1560px;
  --section-height:1040px;
  --nav-safe:92px;
}

*{box-sizing:border-box}
html,body{width:100%;height:100%;margin:0;overflow:hidden}
html{scroll-behavior:smooth}
body{font-family:Inter,Arial,Helvetica,sans-serif;background:#fff;color:var(--ink)}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
a{color:inherit}
img{max-width:100%}

/* =========================================================
   FULL-PAGE ENGINE
   Единственный вертикальный скролл — .screen-stack.
   Каждая главная секция занимает ровно один экран устройства.
   ========================================================= */
.screen-stack{
  width:100%;
  height:100vh;
  height:100dvh;
  overflow-y:auto;
  overflow-x:hidden;
  scroll-snap-type:y mandatory;
  scroll-behavior:smooth;
  overscroll-behavior-y:contain;
  scrollbar-width:none;
  -webkit-overflow-scrolling:touch;
}
.screen-stack::-webkit-scrollbar{display:none}
.screen{
  width:100%;
  height:100vh;
  height:100dvh;
  min-height:100vh;
  min-height:100dvh;
  scroll-snap-align:start;
  scroll-snap-stop:always;
  position:relative;
  overflow:hidden;
  isolation:isolate;
  display:grid;
  place-items:center;
}
.screen__inner{
  width:min(var(--section-width),calc(100% - var(--nav-safe) - 40px));
  height:min(100%,var(--section-height));
  max-height:var(--section-height);
  margin:0 auto;
  position:relative;
  padding-block:clamp(22px,2.5vh,42px);
  min-height:0;
}

.kicker{margin:0 0 10px;font-size:11px;font-weight:900;letter-spacing:.16em;text-transform:uppercase;color:#56635e}
.kicker--orange{color:var(--orange)}
.eyebrow{font-size:10px;text-transform:uppercase;letter-spacing:.17em;font-weight:900;color:var(--green)}
.eyebrow--dark{color:#fff;opacity:.78}
.button{border:0;border-radius:14px;padding:12px 18px;font-weight:900;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;transition:transform .2s ease,box-shadow .2s ease,background .2s ease;line-height:1.15}
.button:hover{transform:translateY(-2px)}
.button--accent{background:linear-gradient(135deg,var(--orange),var(--orange-2));color:#fff;box-shadow:0 10px 24px rgba(239,122,58,.24)}
.button--light{background:#fff;border:1px solid rgba(16,26,66,.14);color:var(--navy);box-shadow:0 8px 22px rgba(16,26,66,.06)}
.button--white{width:100%;background:#fff;color:var(--navy);box-shadow:none}

/* =========================================================
   FIXED NAVIGATION
   ========================================================= */
.section-nav{
  position:fixed;
  right:max(14px,env(safe-area-inset-right));
  top:50%;
  transform:translateY(-50%);
  z-index:80;
  display:flex;
  flex-direction:column;
  gap:11px;
}
.section-nav__btn{
  width:46px;height:46px;border-radius:50%;
  border:1px solid rgba(16,26,66,.16);
  background:rgba(255,255,255,.88);
  backdrop-filter:blur(16px);
  box-shadow:0 10px 28px rgba(16,26,66,.11);
  position:relative;display:grid;place-items:center;
  transition:.24s ease;padding:0;
}
.section-nav__icon{display:grid;place-items:center;width:21px;height:21px;color:var(--navy);opacity:.72;transition:.2s ease}
.section-nav__icon svg{width:100%;height:100%;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.section-nav__logo{display:none;width:54px;height:54px;border-radius:50%;background:#fff;align-items:center;justify-content:center;padding:7px;overflow:hidden}
.section-nav__logo img{width:100%;height:100%;object-fit:contain}
.section-nav__btn:hover{transform:scale(1.07);border-color:rgba(239,122,58,.58)}
.section-nav__btn:hover .section-nav__icon,.section-nav__btn:focus-visible .section-nav__icon{opacity:1;color:var(--orange)}
.section-nav__btn.is-active{width:60px;height:60px;border:2px solid var(--orange);background:#fff;box-shadow:0 14px 36px rgba(16,26,66,.18)}
.section-nav__btn.is-active .section-nav__icon{display:none}
.section-nav__btn.is-active .section-nav__logo{display:flex}
.section-nav__tip{position:absolute;right:70px;white-space:nowrap;background:var(--navy);color:#fff;padding:7px 10px;border-radius:9px;font-size:10px;font-weight:800;opacity:0;pointer-events:none;transform:translateX(8px);transition:.2s ease}
.section-nav__btn:hover .section-nav__tip,.section-nav__btn:focus-visible .section-nav__tip{opacity:1;transform:none}

/* =========================================================
   SHARED HEADINGS
   ========================================================= */
.section-heading{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(240px,.8fr);gap:32px;align-items:end;margin:0}
.section-heading h2{font-size:clamp(25px,2.7vw,44px);line-height:1.02;letter-spacing:-.035em;margin:5px 0 0;color:var(--navy)}
.section-heading>p{margin:0;color:#6c7680;font-size:12px;line-height:1.5;max-width:620px}

/* =========================================================
   1 — ONE PLUS
   ========================================================= */
.screen--oneplus{background:radial-gradient(circle at 82% 7%,rgba(0,134,91,.13),transparent 30%),linear-gradient(135deg,#eef4f1 0%,#fff 56%,#f1f4f8 100%)}
.oneplus-layout{height:100%;display:grid;grid-template-rows:auto auto;align-content:center;gap:clamp(14px,2vh,25px);min-height:0}
.oneplus-hero{min-height:0;display:grid;grid-template-columns:minmax(0,1.08fr) minmax(300px,.92fr);gap:clamp(22px,3vw,50px);align-items:stretch}
.oneplus-intro{align-self:center;min-width:0}
.brand-pill{display:inline-flex;align-items:center;gap:10px;color:var(--green);font-weight:950;letter-spacing:.14em;margin-bottom:13px;font-size:13px}
.brand-mark{display:grid;place-items:center;width:34px;height:27px;border-radius:7px;background:var(--green);color:#fff;letter-spacing:0;font-weight:950;box-shadow:0 8px 20px rgba(0,134,91,.18)}
.oneplus-intro h1{margin:0;font-size:clamp(34px,4.1vw,66px);line-height:.98;letter-spacing:-.05em;max-width:850px;color:#11271f}
.intro-copy{font-size:clamp(13px,1vw,16px);line-height:1.55;color:#52625c;max-width:820px;margin:14px 0}
.oneplus-facts{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:9px}
.oneplus-facts div{background:rgba(255,255,255,.78);border:1px solid rgba(0,134,91,.12);padding:10px 11px;border-radius:14px;box-shadow:0 8px 20px rgba(24,64,51,.05)}
.oneplus-facts b{display:block;font-size:15px;color:var(--green)}
.oneplus-facts span{display:block;margin-top:3px;font-size:9px;line-height:1.3;color:#65746e}
.intro-actions{display:flex;gap:9px;flex-wrap:wrap;margin-top:12px}
.oneplus-visual{min-height:0;width:100%;height:auto;aspect-ratio:4/3;max-height:520px;align-self:center;position:relative;border-radius:25px;overflow:hidden;box-shadow:var(--shadow)}
.oneplus-visual:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(4,28,21,.8),rgba(4,28,21,.03) 64%)}
.oneplus-visual>img{width:100%;height:100%;object-fit:cover;display:block;position:absolute;inset:0}
.visual-glass{position:absolute;z-index:2;left:17px;right:17px;bottom:15px;padding:14px 16px;background:rgba(8,43,33,.58);border:1px solid rgba(255,255,255,.17);backdrop-filter:blur(12px);border-radius:15px;color:#fff}
.visual-glass span{display:block;font-size:9px;letter-spacing:.15em;color:#7bf2bf;font-weight:900}
.visual-glass b{display:block;font-size:clamp(17px,1.7vw,24px);margin:3px 0}
.visual-glass small{opacity:.78;font-size:10px}
.catalog-strip{min-width:0;display:grid;grid-template-rows:auto auto;gap:10px}
.catalog-strip .section-heading{grid-template-columns:1fr auto;gap:20px;align-items:end}
.catalog-strip .section-heading h2{font-size:clamp(22px,2.1vw,34px)}
.catalog-strip .section-heading>p{font-size:10px;max-width:430px}
.product-rail{
  display:grid;
  grid-auto-flow:column;
  grid-auto-columns:clamp(210px,19vw,285px);
  gap:12px;
  overflow-x:auto;
  overflow-y:hidden;
  scroll-snap-type:x mandatory;
  overscroll-behavior-x:contain;
  padding:2px 2px 7px;
  scrollbar-width:none;
  min-width:0;
}
.product-rail::-webkit-scrollbar{display:none}
.product-card{height:240px;min-height:0;border-radius:18px;overflow:hidden;background:#fff;border:1px solid rgba(16,26,66,.1);box-shadow:0 8px 24px rgba(18,37,30,.06);cursor:pointer;transition:.24s ease;display:flex;flex-direction:column;outline:none;scroll-snap-align:start}
.product-card:hover,.product-card:focus-visible{transform:translateY(-4px);box-shadow:0 16px 34px rgba(18,37,30,.12);border-color:rgba(239,122,58,.46)}
.product-card img{width:100%;height:128px;object-fit:cover;display:block;flex:0 0 auto}
.product-card>div{padding:11px 13px 13px;display:flex;flex-direction:column;flex:1;min-height:0}
.product-card small{font-size:8px;color:var(--green);font-weight:900;text-transform:uppercase;letter-spacing:.09em}
.product-card h3{font-size:clamp(15px,1.25vw,18px);line-height:1.08;margin:4px 0 4px;color:#12241e}
.product-card p{font-size:10px;line-height:1.35;color:#6c7773;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.product-card span{font-size:9px;color:var(--orange);font-weight:900;margin-top:auto;padding-top:7px}

/* =========================================================
   2 — ADS GROUP
   ========================================================= */
.screen--ads{background:linear-gradient(120deg,var(--navy) 0%,#1c2a5a 58%,#24356a 100%);color:#fff}
.screen--ads:before{content:"ADS";position:absolute;right:-70px;bottom:-100px;font-size:min(29vw,370px);line-height:1;font-weight:950;color:rgba(255,255,255,.026);letter-spacing:-.08em;pointer-events:none;z-index:-1}
.ads-layout{height:100%;display:grid;grid-template-columns:minmax(175px,.32fr) minmax(0,1fr) minmax(235px,.38fr);gap:clamp(20px,2.8vw,42px);align-items:center;min-height:0}
.ads-brand-column{display:flex;flex-direction:column;gap:12px;min-height:0}
.ads-logo-block{background:#fff;border-radius:22px;padding:18px;box-shadow:0 20px 50px rgba(0,0,0,.2)}
.ads-logo-block img{width:100%;display:block}
.ads-stat-panel{display:grid;gap:8px}
.ads-stat-panel div{padding:13px;border-radius:15px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12)}
.ads-stat-panel strong{display:block;color:#ffb082;font-size:19px}.ads-stat-panel span{display:block;margin-top:3px;color:rgba(255,255,255,.68);font-size:9px;line-height:1.3}
.ads-copy{min-width:0}
.ads-copy h2{font-size:clamp(36px,4.5vw,70px);line-height:.96;letter-spacing:-.05em;margin:0 0 12px}
.ads-lead{font-size:clamp(14px,1.25vw,18px);line-height:1.45;color:#fff;margin:0 0 8px;max-width:900px}
.ads-copy>p:not(.kicker):not(.ads-lead){line-height:1.55;color:rgba(255,255,255,.73);font-size:12px;max-width:900px;margin:0}
.business-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px;margin-top:15px}
.business-card{background:rgba(255,255,255,.075);border:1px solid rgba(255,255,255,.12);border-radius:16px;padding:13px;min-height:0;backdrop-filter:blur(8px)}
.business-card span{font-size:8px;color:#ffad7c;font-weight:900;text-transform:uppercase;letter-spacing:.1em}
.business-card b{display:block;font-size:13px;margin:5px 0 3px}
.business-card p{margin:0;color:rgba(255,255,255,.66);font-size:9px;line-height:1.35}
.ads-side-card{background:linear-gradient(150deg,var(--orange),#dd6430);border-radius:24px;padding:20px;box-shadow:0 26px 60px rgba(0,0,0,.2);position:static;min-width:0}
.ads-side-card h3{font-size:clamp(18px,1.7vw,25px);line-height:1.12;margin:8px 0 13px}
.ads-contact-mini{border-top:1px solid rgba(255,255,255,.22);border-bottom:1px solid rgba(255,255,255,.22);padding:7px 0;margin-bottom:12px}
.ads-contact-mini p{font-size:9px;line-height:1.4;color:rgba(255,255,255,.83);margin:7px 0}
.ads-contact-mini b{color:#fff}
.ads-side-card .button{padding:11px 13px;font-size:11px}

/* =========================================================
   3 — OBJECTS
   Горизонтальная лента вместо внутреннего вертикального скролла.
   ========================================================= */
.screen--objects{background:#f3f4f7}
.objects-layout{height:100%;min-height:0;display:grid;grid-template-rows:auto auto auto;align-content:center;gap:clamp(12px,1.5vh,18px)}
.section-heading--objects{margin:0}
.projects-site-grid{
  min-height:0;
  display:grid;
  grid-template-rows:repeat(2,max-content);
  grid-auto-flow:column;
  grid-auto-columns:clamp(230px,18vw,300px);
  gap:11px;
  overflow-x:auto;
  overflow-y:hidden;
  scroll-snap-type:x mandatory;
  overscroll-behavior-x:contain;
  padding:2px 2px 5px;
  scrollbar-width:none;
}
.projects-site-grid::-webkit-scrollbar{display:none}
.site-project-card{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:0 7px 20px rgba(16,26,66,.065);transition:.24s ease;min-width:0;min-height:0;scroll-snap-align:start;display:grid;grid-template-rows:auto auto;align-content:start}
.site-project-card:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(16,26,66,.11)}
.site-project-card>img,.project-brand-placeholder{width:100%;height:auto;min-height:0;object-fit:cover;display:block;aspect-ratio:16/10}
.site-project-card>div:last-child{padding:8px 10px 10px}
.site-project-card time{font-size:7px;color:#9b6c50;font-weight:800;letter-spacing:.06em}
.site-project-card h3{font-size:13px;line-height:1.15;margin:3px 0 0;color:var(--navy)}
.project-brand-placeholder{background:linear-gradient(145deg,#fff,#eef1f7);display:flex;align-items:center;justify-content:center;flex-direction:column;gap:7px;padding:16px}
.project-brand-placeholder img{width:min(115px,65%);opacity:.92}
.project-brand-placeholder span{font-size:8px;letter-spacing:.16em;font-weight:900;color:#8991a5}
.objects-trust-panel{display:grid;grid-template-columns:minmax(210px,.35fr) minmax(0,1fr);gap:15px;padding:13px 15px;border-radius:17px;background:var(--navy);color:#fff;min-height:0}
.objects-trust-panel__title h3{font-size:14px;line-height:1.2;margin:3px 0 0}.objects-trust-panel__title .eyebrow{color:#ffae7e}
.trust-tags{display:flex;align-content:center;align-items:center;gap:6px;flex-wrap:wrap;min-width:0}
.trust-tags span{font-size:8px;line-height:1.25;padding:6px 8px;border-radius:999px;border:1px solid rgba(255,255,255,.13);background:rgba(255,255,255,.075);color:rgba(255,255,255,.84)}

/* =========================================================
   4 — CONTACTS / FORM
   ========================================================= */
.screen--contacts{background:radial-gradient(circle at 0 100%,rgba(239,122,58,.16),transparent 36%),linear-gradient(135deg,#fff 0%,#f4f5f8 52%,#e9edf5 100%)}
.contact-layout{height:100%;display:grid;grid-template-columns:minmax(0,1fr) minmax(390px,.78fr);gap:clamp(28px,4vw,65px);align-items:center;min-height:0}
.contact-copy{max-width:720px;min-width:0}
.contact-logo{width:165px;margin-bottom:16px;filter:drop-shadow(0 8px 20px rgba(16,26,66,.08))}
.contact-copy h2{font-size:clamp(32px,3.8vw,58px);line-height:1;letter-spacing:-.045em;color:var(--navy);margin:0 0 11px}
.contact-copy>p:not(.kicker){color:#65707b;line-height:1.5;font-size:12px;max-width:680px;margin:0}
.download-flow{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin:15px 0 13px}
.download-flow div{background:#fff;border:1px solid var(--line);border-radius:14px;padding:11px;box-shadow:0 7px 18px rgba(16,26,66,.05)}
.download-flow span{display:block;font-size:7px;text-transform:uppercase;letter-spacing:.1em;color:var(--orange);font-weight:900;margin-bottom:4px}
.download-flow b{font-size:10px;color:var(--navy)}
.contact-details{display:flex;gap:7px;flex-wrap:wrap}
.contact-details p{margin:0;background:rgba(16,26,66,.055);border-radius:10px;padding:8px 10px}
.contact-details span{display:block;font-size:7px;text-transform:uppercase;letter-spacing:.1em;color:#7e8691;margin-bottom:2px}
.contact-details b{font-size:9px;color:var(--navy)}
.lead-form{background:#fff;border:1px solid rgba(16,26,66,.1);box-shadow:var(--shadow);border-radius:24px;padding:22px;position:relative;width:100%;max-width:590px;justify-self:end;min-width:0}
.form-badge{display:inline-flex;background:#fff1e9;color:#c85d27;border:1px solid #ffd4bd;border-radius:999px;padding:5px 9px;font-size:8px;font-weight:900;text-transform:uppercase;letter-spacing:.08em}
.lead-form h3{font-size:22px;margin:9px 0 13px;color:var(--navy)}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
.lead-form label{display:block;margin-bottom:8px}
.lead-form label>span:first-child{display:block;font-size:8px;font-weight:900;color:#4f5867;margin:0 0 4px;text-transform:uppercase;letter-spacing:.06em}
.lead-form input,.lead-form textarea,.lead-form select{width:100%;border:1px solid #dce0e8;background:#fafbfc;border-radius:10px;padding:9px 10px;outline:none;color:#1e2844;transition:.2s ease;min-width:0;font-size:11px}
.lead-form input:focus,.lead-form textarea:focus,.lead-form select:focus{border-color:var(--orange);box-shadow:0 0 0 3px rgba(239,122,58,.10);background:#fff}
.lead-form textarea{resize:none;min-height:58px;height:58px}
.consent{display:flex!important;gap:7px;align-items:flex-start;margin-top:0}
.consent input{width:15px;height:15px;margin:1px 0 0;accent-color:var(--orange);flex:0 0 auto}
.consent span{font-size:8px!important;line-height:1.3!important;text-transform:none!important;letter-spacing:0!important;font-weight:500!important;color:#747b86!important;margin:0!important}
.button--submit{width:100%;padding:12px 16px;font-size:11px}
.form-status{min-height:15px;font-size:9px;margin-top:6px;font-weight:800}
.form-status.ok{color:#087b53}.form-status.error{color:#b84631}
.form-note{font-size:7px!important;margin:5px 0 0!important;color:#9a9fa7!important}

/* =========================================================
   PRODUCT MODAL — единственное место, где внутренний vertical scroll нужен.
   ========================================================= */
.product-modal{position:fixed;inset:0;z-index:120;display:none}
.product-modal.is-open{display:block}
.product-modal__backdrop{position:absolute;inset:0;background:rgba(5,14,30,.68);backdrop-filter:blur(5px)}
.product-modal__dialog{position:absolute;inset:clamp(14px,3vh,42px) clamp(14px,4vw,70px);background:#fff;border-radius:24px;overflow:auto;overscroll-behavior:contain;box-shadow:0 40px 100px rgba(0,0,0,.35)}
.product-modal__close{position:sticky;top:14px;float:right;margin:14px 14px 0 0;z-index:4;width:42px;height:42px;border:0;border-radius:50%;background:#eef1f0;color:#172421;font-size:26px;line-height:1}
.modal-head{padding:30px 38px 19px;border-bottom:1px solid #edf0ef;background:linear-gradient(140deg,#f8fbfa,#fff)}
.modal-head__label{font-size:10px;font-weight:950;color:var(--green);letter-spacing:.14em;text-transform:uppercase}
.modal-head h2{font-size:clamp(28px,3vw,40px);line-height:1.08;margin:7px 0 8px;color:#10231d}
.modal-head p{margin:0;color:#6c7773;line-height:1.55;max-width:980px;font-size:12px}
.modal-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin-top:16px}
.modal-stat{border-radius:13px;background:#f1f5f3;padding:11px;min-width:0}
.modal-stat b{display:block;color:var(--green);font-size:15px}.modal-stat span{font-size:9px;color:#617069}
.modal-body{padding:20px 38px 32px}
.detail-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.detail-block{border:1px solid #e6eae8;border-radius:16px;padding:15px;background:#fff;min-width:0}
.detail-block--full{grid-column:1/-1}
.detail-block h3{font-size:15px;color:#10231d;margin:0 0 9px}
.detail-block p,.detail-list li{font-size:11px;line-height:1.55;color:#5f6d67}
.detail-list{padding-left:17px;margin:0}
.table-wrap{overflow:auto;border:1px solid #e7ebe9;border-radius:12px;max-width:100%}
.spec-table{width:100%;border-collapse:collapse;min-width:560px;font-size:10px}
.spec-table th{background:#087e59;color:#fff;text-align:left;padding:9px 10px;white-space:nowrap}
.spec-table td{padding:8px 10px;border-bottom:1px solid #edf0ef;color:#4e5e57;white-space:nowrap}
.spec-table tr:last-child td{border-bottom:0}
.modal-cta{display:flex;align-items:center;justify-content:space-between;gap:18px;background:var(--navy);color:#fff;border-radius:16px;padding:15px 17px;margin-top:14px}
.modal-cta p{margin:0;color:rgba(255,255,255,.7);font-size:10px}.modal-cta b{font-size:16px;display:block;margin-bottom:3px}

/* =========================================================
   RESPONSIVE — LAPTOP / TABLET
   ========================================================= */
@media(max-width:1260px){
  :root{--nav-safe:80px}
  .oneplus-hero{grid-template-columns:minmax(0,1fr) minmax(280px,.78fr)}
  .oneplus-facts{grid-template-columns:repeat(2,minmax(0,1fr))}
  .product-rail{grid-auto-columns:clamp(205px,25vw,265px)}
  .ads-layout{grid-template-columns:180px minmax(0,1fr) 225px;gap:20px}
  .business-card p{font-size:8px}
  .projects-site-grid{grid-auto-columns:clamp(210px,27vw,270px)}
  .contact-layout{grid-template-columns:minmax(0,1fr) minmax(360px,.75fr);gap:28px}
}

@media(max-width:980px){
  :root{--nav-safe:68px}
  .screen__inner{width:calc(100% - var(--nav-safe) - 22px);padding-block:clamp(18px,2.4vh,34px)}
  .section-nav{right:8px}
  .section-nav__btn{width:40px;height:40px}.section-nav__btn.is-active{width:52px;height:52px}.section-nav__logo{width:48px;height:48px;padding:6px}

  .oneplus-hero{grid-template-columns:minmax(0,1fr) minmax(240px,.62fr);gap:18px}
  .oneplus-intro h1{font-size:clamp(31px,5vw,54px)}
  .intro-copy{font-size:12px;line-height:1.45;margin:10px 0}
  .oneplus-facts div{padding:8px}
  .catalog-strip .section-heading>p{display:none}
  .product-rail{grid-auto-columns:clamp(205px,32vw,255px)}

  .ads-layout{grid-template-columns:150px minmax(0,1fr);grid-template-rows:1fr auto;align-items:center;gap:16px}
  .ads-brand-column{align-self:center}
  .ads-side-card{grid-column:1/-1;display:grid;grid-template-columns:1.1fr 1.4fr auto;gap:14px;align-items:center;padding:13px 15px;border-radius:17px}
  .ads-side-card h3{font-size:16px;margin:3px 0}.ads-contact-mini{border:0;border-left:1px solid rgba(255,255,255,.22);padding:0 0 0 14px;margin:0;display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.ads-contact-mini p{margin:0;font-size:8px}.ads-side-card .button{width:auto;white-space:nowrap}
  .business-grid{gap:7px;margin-top:10px}.business-card{padding:10px}.business-card b{font-size:11px}.business-card p{display:none}

  .section-heading{grid-template-columns:1fr;gap:5px;align-items:start}.section-heading>p{font-size:10px;max-width:760px}
  .projects-site-grid{grid-auto-columns:clamp(200px,36vw,250px)}
  .objects-trust-panel{grid-template-columns:190px 1fr;padding:11px 12px}.trust-tags span{font-size:7px;padding:5px 7px}

  .contact-layout{grid-template-columns:minmax(0,.75fr) minmax(350px,1fr);gap:20px}
  .contact-logo{width:135px;margin-bottom:11px}.contact-copy h2{font-size:clamp(28px,4.6vw,46px)}
  .download-flow{grid-template-columns:1fr;margin:10px 0;gap:5px}.download-flow div{padding:7px 9px;display:flex;gap:8px;align-items:center}.download-flow span{margin:0}.contact-details{display:grid;grid-template-columns:1fr}.contact-details p{padding:6px 8px}
  .lead-form{padding:17px;border-radius:20px}.lead-form h3{font-size:19px;margin:7px 0 10px}.form-grid{gap:6px}.lead-form label{margin-bottom:6px}.lead-form input,.lead-form textarea,.lead-form select{padding:8px 9px}.lead-form textarea{height:50px;min-height:50px}
}

/* =========================================================
   RESPONSIVE — MOBILE PORTRAIT
   ========================================================= */
@media(max-width:680px){
  :root{--nav-safe:0px}
  .screen__inner{width:calc(100% - 24px);padding:16px 0 78px}

  .section-nav{top:auto;bottom:max(9px,env(safe-area-inset-bottom));right:50%;transform:translateX(50%);flex-direction:row;gap:6px;padding:6px;border-radius:999px;background:rgba(255,255,255,.93);box-shadow:0 12px 30px rgba(16,26,66,.17);backdrop-filter:blur(16px)}
  .section-nav__btn,.section-nav__btn.is-active{width:40px;height:40px}.section-nav__btn.is-active{border-width:2px}.section-nav__logo{width:36px;height:36px;padding:5px}.section-nav__tip{display:none}.section-nav__icon{width:18px;height:18px}

  .oneplus-layout{grid-template-rows:minmax(0,1fr) auto;gap:10px}
  .oneplus-hero{grid-template-columns:1fr;gap:0;min-height:0}
  .oneplus-visual{display:none}
  .brand-pill{margin-bottom:8px;font-size:11px}.brand-mark{width:30px;height:24px}
  .kicker{font-size:9px;margin-bottom:6px}
  .oneplus-intro h1{font-size:clamp(28px,8.6vw,40px);line-height:1}
  .intro-copy{font-size:11px;line-height:1.36;margin:8px 0}
  .oneplus-facts{grid-template-columns:repeat(2,1fr);gap:5px}.oneplus-facts div{padding:7px 8px;border-radius:11px}.oneplus-facts b{font-size:12px}.oneplus-facts span{font-size:7px;margin-top:2px}
  .intro-actions{display:grid;grid-template-columns:1fr 1fr;gap:6px;margin-top:8px}.intro-actions .button{width:100%;padding:9px 7px;font-size:9px}
  .catalog-strip{gap:6px}.catalog-strip .section-heading{display:block}.catalog-strip .section-heading h2{font-size:20px}.catalog-strip .section-heading>p{display:none}
  .product-rail{grid-auto-columns:82%;gap:9px;padding-bottom:4px}
  .product-card{height:clamp(190px,28vh,238px);border-radius:15px}.product-card img{height:clamp(92px,13vh,118px)}.product-card>div{padding:9px 10px}.product-card h3{font-size:15px}.product-card p{font-size:9px}.product-card span{font-size:8px}

  .ads-layout{grid-template-columns:1fr;grid-template-rows:auto auto auto;align-content:center;gap:9px}
  .ads-brand-column{display:none}
  .ads-copy h2{font-size:clamp(34px,10vw,46px);margin-bottom:8px}.ads-lead{font-size:12px;line-height:1.35;margin-bottom:5px}.ads-copy>p:not(.kicker):not(.ads-lead){font-size:9px;line-height:1.35}
  .business-grid{grid-template-columns:1fr 1fr;gap:6px;margin-top:8px}.business-card{padding:9px;border-radius:12px}.business-card span{font-size:7px}.business-card b{font-size:10px;margin:3px 0}.business-card p{display:none}
  .ads-side-card{grid-column:auto;display:grid;grid-template-columns:1fr auto;gap:8px;padding:11px 12px;border-radius:15px}.ads-side-card .eyebrow,.ads-contact-mini{display:none}.ads-side-card h3{font-size:13px;margin:0}.ads-side-card .button{padding:9px 10px;font-size:9px}

  .objects-layout{grid-template-rows:auto minmax(0,1fr) auto;gap:8px}
  .section-heading--objects h2{font-size:23px}.section-heading--objects>p{font-size:8px;line-height:1.3;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
  .projects-site-grid{grid-template-rows:1fr;grid-auto-columns:82%;gap:9px;padding-bottom:3px}.site-project-card{border-radius:14px}.site-project-card>div:last-child{padding:8px 9px}.site-project-card h3{font-size:13px}.site-project-card time{font-size:7px}
  .objects-trust-panel{display:block;padding:9px 10px;border-radius:13px;overflow:hidden}.objects-trust-panel__title{display:flex;align-items:center;gap:8px;margin-bottom:6px}.objects-trust-panel__title .eyebrow{white-space:nowrap}.objects-trust-panel__title h3{font-size:10px;margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.trust-tags{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;justify-content:flex-start}.trust-tags::-webkit-scrollbar{display:none}.trust-tags span{font-size:7px;white-space:nowrap;flex:0 0 auto}

  .contact-layout{grid-template-columns:1fr;grid-template-rows:auto minmax(0,1fr);align-content:center;gap:8px}
  .contact-copy{display:grid;grid-template-columns:auto 1fr;column-gap:10px;align-items:center}.contact-logo{width:82px;margin:0;grid-row:1/4}.contact-copy .kicker{margin:0 0 2px}.contact-copy h2{font-size:clamp(20px,6vw,27px);margin:0;line-height:1.02}.contact-copy>p:not(.kicker),.download-flow,.contact-details{display:none}
  .lead-form{align-self:center;justify-self:stretch;max-width:none;padding:13px;border-radius:17px;box-shadow:0 12px 35px rgba(10,20,46,.12)}.form-badge{font-size:7px;padding:4px 7px}.lead-form h3{font-size:17px;margin:6px 0 8px}.form-grid{grid-template-columns:1fr 1fr;gap:5px}.lead-form label{margin-bottom:5px}.lead-form label>span:first-child{font-size:7px;margin-bottom:3px}.lead-form input,.lead-form textarea,.lead-form select{padding:7px 8px;font-size:10px;border-radius:8px}.lead-form textarea{height:42px;min-height:42px}.consent{gap:5px}.consent input{width:13px;height:13px}.consent span{font-size:7px!important}.button--submit{padding:10px;font-size:9px}.form-status{min-height:11px;font-size:8px;margin-top:4px}.form-note{font-size:6px!important;margin-top:3px!important}

  .product-modal__dialog{inset:8px 6px 70px;border-radius:18px}.modal-head{padding:25px 15px 15px}.modal-stats{grid-template-columns:1fr 1fr}.modal-body{padding:14px 15px 22px}.detail-grid{grid-template-columns:1fr}.detail-block--full{grid-column:auto}.modal-cta{align-items:stretch;flex-direction:column}.modal-cta .button{width:100%}
}

/* Очень маленькие телефоны */
@media(max-width:390px){
  .screen__inner{width:calc(100% - 18px);padding-top:12px}
  .oneplus-intro h1{font-size:27px}.intro-copy{font-size:10px}.oneplus-facts span{font-size:6.5px}
  .product-card{height:200px}.product-card img{height:96px}
  .ads-copy h2{font-size:33px}.ads-lead{font-size:11px}.ads-copy>p:not(.kicker):not(.ads-lead){display:none}
  .business-card{padding:7px}.business-card b{font-size:9px}
  .section-heading--objects h2{font-size:20px}
  .contact-logo{width:70px}.contact-copy h2{font-size:20px}.lead-form{padding:10px}.lead-form h3{font-size:15px}.lead-form input,.lead-form textarea,.lead-form select{padding:6px 7px;font-size:9px}.lead-form textarea{height:36px;min-height:36px}.form-note{display:none}
}

/* Низкие экраны ноутбуков/телефонов в landscape */
@media(max-height:700px) and (min-width:681px){
  .screen__inner{padding-block:16px}
  .oneplus-intro h1{font-size:clamp(30px,3.6vw,52px)}.intro-copy{font-size:11px;margin:8px 0}.oneplus-facts div{padding:7px}.intro-actions{margin-top:7px}.product-card{height:185px}.product-card img{height:88px}.catalog-strip .section-heading h2{font-size:22px}
  .ads-copy h2{font-size:clamp(34px,4vw,56px)}.ads-lead{font-size:13px}.ads-copy>p:not(.kicker):not(.ads-lead){font-size:10px}.business-grid{margin-top:8px}.business-card{padding:9px}.ads-side-card{padding:14px}.ads-contact-mini p{font-size:8px}
  .section-heading h2{font-size:28px}.projects-site-grid{grid-auto-columns:230px}.objects-trust-panel{padding:9px 11px}.trust-tags span{font-size:7px;padding:4px 6px}
  .contact-logo{width:120px;margin-bottom:8px}.contact-copy h2{font-size:36px}.contact-copy>p:not(.kicker){font-size:10px}.download-flow{margin:8px 0}.lead-form{padding:14px}.lead-form h3{font-size:18px}.lead-form input,.lead-form textarea,.lead-form select{padding:7px 8px}.lead-form textarea{height:42px;min-height:42px}.lead-form label{margin-bottom:5px}
}

/* Mobile landscape: два столбца, чтобы секция всё равно была одним экраном */
@media(max-height:540px) and (max-width:900px){
  .screen__inner{width:calc(100% - 70px);padding:10px 0}
  .section-nav{top:50%;bottom:auto;right:7px;transform:translateY(-50%);flex-direction:column;padding:5px;gap:4px}.section-nav__btn,.section-nav__btn.is-active{width:34px;height:34px}.section-nav__logo{width:30px;height:30px}.section-nav__icon{width:15px;height:15px}
  .oneplus-layout{grid-template-columns:minmax(0,1fr) minmax(250px,.8fr);grid-template-rows:1fr;gap:12px}.oneplus-hero{grid-template-columns:1fr}.oneplus-visual{display:none}.catalog-strip{align-content:center}.catalog-strip .section-heading h2{font-size:19px}.product-rail{grid-auto-columns:72%;}.product-card{height:180px}.product-card img{height:85px}.intro-actions{grid-template-columns:auto auto}.oneplus-facts{grid-template-columns:repeat(4,1fr)}
  .ads-layout{grid-template-columns:1fr 250px;grid-template-rows:1fr;gap:12px}.ads-side-card{grid-column:auto;display:block}.ads-contact-mini{display:none}.ads-side-card h3{font-size:14px;margin-bottom:8px}
  .objects-layout{grid-template-columns:250px 1fr;grid-template-rows:1fr auto;gap:9px}.section-heading--objects{grid-row:1/3;align-self:center}.projects-site-grid{grid-row:1/2;grid-template-rows:1fr;grid-auto-columns:210px}.objects-trust-panel{grid-column:2;grid-row:2;padding:7px 8px}.objects-trust-panel__title{display:none}.trust-tags{flex-wrap:nowrap;overflow-x:auto}
  .contact-layout{grid-template-columns:minmax(230px,.65fr) minmax(360px,1fr);grid-template-rows:1fr;gap:14px}.contact-copy{display:block}.contact-logo{width:90px;margin-bottom:7px}.contact-copy h2{font-size:24px}.contact-copy>p:not(.kicker),.download-flow,.contact-details{display:none}.lead-form{padding:10px}.lead-form h3{font-size:15px;margin:5px 0}.lead-form label{margin-bottom:4px}.lead-form input,.lead-form textarea,.lead-form select{padding:5px 7px;font-size:9px}.lead-form textarea{height:30px;min-height:30px}.form-note{display:none}.button--submit{padding:8px}
}

/* =========================================================
   LARGE / 2K / 4K DISPLAYS
   Контент увеличивается контролируемо, изображения сохраняют пропорции.
   Фон секции занимает весь экран, но внутренний макет имеет максимальный
   размер — поэтому карточки и фото не растягиваются вслед за viewport.
   ========================================================= */
@media(min-width:2000px) and (min-height:1100px){
  :root{--section-width:1760px;--section-height:1080px;--nav-safe:108px}
  .screen__inner{padding-block:36px}
  .oneplus-intro h1{font-size:64px}
  .intro-copy{font-size:16px}
  .oneplus-visual{max-height:540px}
  .product-rail{grid-auto-columns:270px;gap:14px}
  .product-card{height:242px}.product-card img{height:128px}
  .ads-copy h2{font-size:68px}
  .projects-site-grid{grid-auto-columns:285px;gap:13px}
  .section-heading h2{font-size:42px}
  .contact-copy h2{font-size:56px}
}

@media(min-width:3200px) and (min-height:1700px){
  :root{--section-width:1920px;--section-height:1180px;--nav-safe:126px}
  .screen__inner{padding-block:44px}
  .oneplus-intro h1{font-size:70px}
  .oneplus-visual{max-height:570px}
  .product-rail{grid-auto-columns:290px}
  .product-card{height:250px}.product-card img{height:136px}
  .projects-site-grid{grid-auto-columns:305px}
}

@media(prefers-reduced-motion:reduce){
  html,.screen-stack{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
}

/* Дополнительное уплотнение для стандартных ноутбуков 1366×768 и похожих */
@media(max-height:820px) and (min-width:981px){
  .screen__inner{padding-block:18px}
  .oneplus-layout{gap:10px}
  .oneplus-intro h1{font-size:clamp(31px,3.55vw,50px)}
  .intro-copy{font-size:11px;line-height:1.42;margin:8px 0}
  .brand-pill{margin-bottom:8px}.kicker{margin-bottom:6px}
  .oneplus-facts div{padding:7px 9px}.oneplus-facts b{font-size:13px}.oneplus-facts span{font-size:7.5px}
  .intro-actions{margin-top:8px}.intro-actions .button{padding:10px 14px;font-size:11px}
  .catalog-strip{gap:6px}.catalog-strip .section-heading h2{font-size:22px}.catalog-strip .section-heading>p{font-size:9px}
  .product-card{height:180px}.product-card img{height:83px}.product-card>div{padding:8px 10px 9px}.product-card h3{font-size:14px}.product-card p{font-size:8.5px}.product-card span{font-size:8px;padding-top:5px}
}

/* Низкий landscape: ADS без левой декоративной колонки, все важное помещается в viewport */
@media(max-height:540px) and (max-width:900px){
  .ads-brand-column{display:none}
  .ads-layout{grid-template-columns:minmax(0,1fr) 220px;grid-template-rows:1fr;gap:12px;align-items:center}
  .ads-copy h2{font-size:34px;margin-bottom:5px}.ads-lead{font-size:11px;line-height:1.3;margin-bottom:4px}
  .ads-copy>p:not(.kicker):not(.ads-lead){display:none}
  .business-grid{grid-template-columns:1fr 1fr;gap:5px;margin-top:6px}.business-card{padding:7px}.business-card b{font-size:9px}
  .ads-side-card{grid-column:auto;display:block;padding:12px;border-radius:14px}.ads-side-card .eyebrow{display:block}.ads-side-card h3{font-size:15px;margin:5px 0 8px}.ads-contact-mini{display:block;border-left:0;border-top:1px solid rgba(255,255,255,.22);border-bottom:1px solid rgba(255,255,255,.22);padding:5px 0;margin:0 0 8px}.ads-contact-mini p{font-size:7px;line-height:1.25;margin:4px 0}.ads-side-card .button{width:100%;font-size:8px;padding:8px}
}