:root{
  --red:#b10f2e;
  --red-dark:#89081f;
  --ink:#121722;
  --muted:#657084;
  --line:#dce1e8;
  --surface:#f4f6f9;
  --surface-strong:#eef2f7;
  --white:#fff;
  --navy:#101827;
  --success:#0b7a4b;
  --danger:#b42318;
  --telegram:#1769aa;
  --radius:18px;
  --shadow:0 16px 45px rgba(18,23,34,.09);
  --shadow-soft:0 12px 28px rgba(16,24,39,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:#fff;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;font-size:16px;line-height:1.6}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
img{max-width:100%;display:block}
.container{width:min(1180px,calc(100% - 40px));margin-inline:auto}
.icon{width:1.2em;height:1.2em;vertical-align:-.2em;flex:none}

.topbar{background:var(--navy);color:#edf2f9;font-size:.9rem}
.topbar-wrap{min-height:44px;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:8px 0}
.topbar-text,.topbar-links a{display:flex;align-items:center;gap:8px}
.topbar-text{color:#d4dcea}
.topbar-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.topbar-links a{color:#fff}
.topbar-links a:hover{text-decoration:underline;text-underline-offset:3px}

.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(14px)}
.nav-wrap{min-height:88px;display:flex;align-items:center;justify-content:space-between;gap:32px}
.brand{display:flex;align-items:center;gap:10px;line-height:1}
.brand-image{flex:0 0 auto}
.brand-logo{width:min(320px,38vw);height:auto}
.main-nav{display:flex;align-items:center;gap:24px;font-weight:650}
.main-nav a{display:flex;align-items:center;gap:6px;color:#263142}
.main-nav a:hover,.text-link,.back-link{color:var(--red)}
.count{min-width:22px;height:22px;padding:0 6px;display:inline-grid;place-items:center;border-radius:99px;background:var(--surface);font-size:.76rem}
.menu-button{display:none;border:1px solid var(--line);background:#fff;border-radius:10px;padding:8px 12px}
.inline-form{display:inline}
.link-button{border:0;background:none;padding:0;color:var(--red);cursor:pointer;font-weight:700}
.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 22px;border:1px solid var(--red);border-radius:12px;background:var(--red);color:#fff;font-weight:750;cursor:pointer;transition:.2s}
.button:hover{background:var(--red-dark);border-color:var(--red-dark);transform:translateY(-1px)}
.button-small{min-height:38px;padding:0 15px;font-size:.9rem}
.button-ghost{background:transparent;color:var(--ink);border-color:#cbd2dc}
.button-ghost:hover{background:#fff;color:var(--ink);border-color:var(--ink)}
.button-block{width:100%}

.hero{padding:80px 0;background:radial-gradient(circle at 10% 15%,rgba(177,15,46,.1),transparent 35%),linear-gradient(135deg,#fff 42%,#f0f3f7)}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:60px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--red);font-size:.78rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase}
.hero h1,.page-header h1,.product-detail h1{margin:.5rem 0 1rem;font-size:clamp(2.55rem,6vw,4.75rem);line-height:1.02;letter-spacing:-.055em}
.hero p,.lead,.section-copy{max-width:720px;color:var(--muted);font-size:1.08rem}
.hero-actions{display:flex;gap:12px;margin-top:30px;flex-wrap:wrap}
.hero-points{display:flex;flex-wrap:wrap;gap:14px 18px;margin-top:28px;color:#425063;font-weight:600}
.hero-points span{display:inline-flex;align-items:center;gap:8px;padding:9px 12px;border-radius:999px;background:rgba(255,255,255,.72);border:1px solid #dde4ec}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:32px}
.hero-stats article{padding:18px;border:1px solid #dbe2ea;border-radius:16px;background:rgba(255,255,255,.85);box-shadow:var(--shadow-soft)}
.hero-stats strong{display:block;font-size:1.7rem;letter-spacing:-.05em;color:var(--navy)}
.hero-stats span{display:block;color:var(--muted);font-size:.92rem}
.executive-panel{padding:28px;border:1px solid #d7dee8;border-radius:24px;background:linear-gradient(180deg,#ffffff,#f8fafc);box-shadow:0 24px 60px rgba(16,24,39,.12)}
.executive-panel__brand{padding-bottom:20px;border-bottom:1px solid #e3e7ef}
.executive-panel__brand img{width:min(100%,360px)}
.executive-panel__brand p{margin:.9rem 0 0;color:var(--muted)}
.executive-checklist{list-style:none;padding:0;margin:22px 0;display:grid;gap:16px}
.executive-checklist li{display:grid;grid-template-columns:auto 1fr;gap:14px;align-items:start}
.executive-checklist li .icon{width:24px;height:24px;color:var(--red);margin-top:4px}
.executive-checklist strong{display:block;margin-bottom:2px}
.executive-checklist span{display:block;color:var(--muted);font-size:.95rem}
.tech-stack{display:flex;flex-wrap:wrap;gap:10px;border-top:1px solid #e3e7ef;padding-top:18px}
.tech-stack span{padding:7px 11px;border-radius:999px;background:var(--surface);color:#4a5567;font-size:.82rem;font-weight:700}

.trust-strip{padding:18px 0;background:#fff;border-top:1px solid #edf1f5;border-bottom:1px solid #edf1f5}
.trust-strip__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.trust-strip__grid div{display:flex;align-items:center;gap:12px;padding:8px 0;color:#334155;font-weight:600}
.trust-strip__grid .icon{color:var(--red)}

.catalog-section{padding:85px 0}
.section-heading{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:30px}
.section-heading h2{margin:.4rem 0 0;font-size:clamp(1.8rem,4vw,2.7rem);letter-spacing:-.04em;line-height:1.1}
.compact-heading{margin-bottom:26px}
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.product-card{display:flex;flex-direction:column;padding:26px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;transition:.2s}
.product-card:hover{border-color:#bdc4ce;box-shadow:var(--shadow);transform:translateY(-3px)}
.product-icon{display:grid;place-items:center;width:48px;height:48px;border-radius:12px;background:#fbecef;color:var(--red);font-size:1.35rem}
.product-icon.large{width:68px;height:68px;font-size:1.7rem}
.product-meta{display:flex;justify-content:space-between;margin:18px 0 8px;color:var(--muted);font-size:.78rem;text-transform:uppercase;letter-spacing:.08em}
.product-card h3{margin:.25rem 0;font-size:1.35rem;letter-spacing:-.025em}
.product-card p{color:var(--muted);flex:1}
.tags{display:flex;gap:7px;flex-wrap:wrap;margin:10px 0 22px}
.tags span{padding:5px 9px;border-radius:7px;background:var(--surface);color:#4a5567;font-size:.75rem;font-weight:700}
.product-footer{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);padding-top:18px}

.benefits{padding:60px 0;background:var(--navy);color:#fff}
.benefits-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:40px}
.benefits .icon{width:32px;height:32px;color:#f05b6e}
.benefits h3{margin:14px 0 5px}
.benefits p{margin:0;color:#aab4c4}
.benefits-light{background:var(--surface);color:var(--ink)}
.benefit-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.benefit-cards article{padding:26px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow-soft)}
.feature-icon{display:grid;place-items:center;width:52px;height:52px;border-radius:14px;background:#fbecef;color:var(--red)}
.feature-icon .icon{width:24px;height:24px}
.benefit-cards h3{margin:16px 0 8px;font-size:1.2rem}
.benefit-cards p{margin:0;color:var(--muted)}

.implementation-section{padding:85px 0;background:#fff}
.implementation-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:34px;align-items:start}
.implementation-grid h2{margin:.5rem 0 1rem;font-size:clamp(1.9rem,4vw,2.9rem);line-height:1.08;letter-spacing:-.04em}
.implementation-grid p{color:var(--muted)}
.implementation-steps{display:grid;gap:16px}
.implementation-steps article{display:grid;grid-template-columns:auto 1fr;gap:16px;align-items:start;padding:22px;border:1px solid var(--line);border-radius:18px;background:linear-gradient(180deg,#fff,#f8fafc)}
.implementation-steps strong{display:grid;place-items:center;width:42px;height:42px;border-radius:50%;background:var(--red);color:#fff;font-size:1.1rem}
.implementation-steps h3{margin:0 0 4px;font-size:1.1rem}
.implementation-steps p{margin:0}

.site-footer{padding:55px 0 22px;background:#0b101a;color:#eef1f5}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1.2fr;gap:40px}
.footer-grid p{color:#98a3b4}
.footer-logo{width:min(100%,260px);margin-bottom:16px}
.footer-list{list-style:none;padding:0;margin:12px 0 0;display:grid;gap:10px}
.footer-bottom{border-top:1px solid #273041;margin-top:35px;padding-top:20px;color:#7e8999;font-size:.88rem}
.footer-link{display:inline-flex;align-items:center;gap:8px;color:#eef1f5;overflow-wrap:anywhere}
.footer-link:hover{text-decoration:underline;text-underline-offset:3px}

.page-header{padding:58px 0 45px;background:var(--surface);border-bottom:1px solid var(--line)}
.page-header h1{font-size:clamp(2.2rem,5vw,3.8rem)}
.page-header p{color:var(--muted)}
.executive-header{background:linear-gradient(180deg,#f7f9fc,#f0f4f8)}
.catalog-layout{padding:40px 0 80px}
.filter-bar{display:grid;grid-template-columns:1.7fr 1fr auto;gap:16px;align-items:end;margin-bottom:35px;padding:18px;border:1px solid var(--line);border-radius:14px}
.filter-bar label,.stack-form label{display:grid;gap:7px;color:#3b4656;font-weight:700;font-size:.9rem}
.input-icon{display:flex;align-items:center;gap:9px;border:1px solid #cbd2dc;border-radius:9px;padding:0 12px}
.input-icon input{border:0;padding-inline:0}
.input-icon input:focus{outline:0}
input,select,textarea{width:100%;border:1px solid #cbd2dc;border-radius:9px;background:#fff;padding:11px 12px;color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:3px solid rgba(177,15,46,.13);border-color:var(--red)}
.product-detail{display:grid;grid-template-columns:1.6fr .8fr;gap:70px;padding-top:60px;padding-bottom:90px}
.back-link{display:inline-block;margin-bottom:45px;font-weight:700}
.product-detail h1{font-size:clamp(2.5rem,6vw,4.5rem)}
.prose{max-width:760px;margin:30px 0;color:#3f4a59}
.large-tags span{font-size:.88rem;padding:7px 11px}
.purchase-card,.summary-card,.admin-panel,.auth-card{padding:28px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow)}
.purchase-card{position:sticky;top:110px;height:max-content}
.price{display:block;margin:6px 0 12px;font-size:2.25rem;letter-spacing:-.05em}
.purchase-card p,.purchase-card small{color:var(--muted)}
.purchase-card ul{list-style:none;padding:0;margin:25px 0}
.purchase-card li{display:flex;gap:8px;align-items:center;margin:11px 0}
.purchase-card li .icon{color:var(--success)}
.cart-layout{display:grid;grid-template-columns:1.5fr .7fr;gap:35px;padding-top:45px;padding-bottom:90px}
.cart-item{display:grid;grid-template-columns:auto 1fr auto auto;gap:18px;align-items:center;padding:22px 0;border-bottom:1px solid var(--line)}
.cart-item h2{margin:0;font-size:1.15rem}
.cart-item p{margin:5px 0 0;color:var(--muted)}
.danger{color:var(--danger)}
.summary-card{height:max-content}
.summary-card>div{display:flex;justify-content:space-between;margin:14px 0}
.summary-total{padding:16px 0;border-top:1px solid var(--line);font-size:1.2rem}
.fine-print{display:flex;gap:7px;color:var(--muted);font-size:.84rem}
.auth-section{min-height:70vh;display:grid;place-items:center;padding:60px 20px;background:var(--surface)}
.auth-card{width:min(480px,100%)}
.auth-card h1{margin:.4rem 0;font-size:2.3rem;letter-spacing:-.04em}
.auth-card>p{color:var(--muted)}
.stack-form{display:grid;gap:16px;margin-top:25px}
.stack-form small{color:var(--muted);font-weight:500}
.auth-switch{text-align:center;margin-top:20px}
.auth-switch a{color:var(--red);font-weight:700}
.account-grid{display:grid;grid-template-columns:1.5fr .8fr;gap:40px;padding-top:50px;padding-bottom:90px}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px}
table{width:100%;border-collapse:collapse;text-align:left}
th,td{padding:14px 16px;border-bottom:1px solid var(--line);vertical-align:middle}
th{background:var(--surface);font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}
td small{display:block;color:var(--muted)}
.status{display:inline-block;padding:4px 9px;border-radius:99px;background:#fff2cf;color:#755700;font-size:.78rem;font-weight:800;text-transform:capitalize}
.status.paid{background:#dcf5e9;color:#08643d}
.status.cancelled{background:#f8dddd;color:#8b1919}
.status.refunded{background:#e8eef8;color:#2d4d7a}
.status.pending{background:#fff2cf;color:#755700}
.download-list{display:grid;gap:12px}
.download-list a{display:flex;align-items:center;gap:12px;padding:16px;border:1px solid var(--line);border-radius:12px}
.download-list a:hover{border-color:var(--red)}
.download-list small{display:block;color:var(--muted)}
.admin-grid{display:grid;grid-template-columns:1fr 1.35fr;gap:25px;padding-top:45px;padding-bottom:90px}
.admin-panel{box-shadow:none}
.admin-panel h2{margin-top:0}
.full-span{grid-column:1/-1}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:13px}
.check-label{display:flex!important;grid-template-columns:auto 1fr!important;align-items:center}
.check-label input{width:auto}
.empty-state{text-align:center;padding:55px;border:1px dashed #bdc5cf;border-radius:var(--radius);color:var(--muted)}
.empty-state .icon{width:45px;height:45px;color:var(--red)}
.empty-state h1,.empty-state h2,.empty-state h3{color:var(--ink)}
.empty-state.full{grid-column:1/-1;margin:50px 0}
.error-code{font-size:5rem;font-weight:900;color:var(--red)}
.alert{margin-top:18px;padding:13px 16px;border-radius:10px;font-weight:700}
.alert.success{background:#dcf5e9;color:#08643d}
.alert.error{background:#f8dddd;color:#8b1919}
.alert[role="alert"],.alert[role="status"]{margin-bottom:0}

.contact-header p{max-width:760px}
.contact-layout{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;padding-top:48px;padding-bottom:90px}
.contact-card{display:grid;grid-template-columns:auto 1fr;gap:22px;align-items:start;padding:30px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow)}
.contact-card h2{margin:.35rem 0 .5rem;font-size:1.7rem;letter-spacing:-.03em}
.contact-card p{color:var(--muted);margin:0 0 22px}
.contact-icon{display:grid;place-items:center;width:56px;height:56px;border-radius:14px;background:#fbecef;color:var(--red)}
.contact-icon .icon{width:27px;height:27px}
.telegram-card{border-color:#cfd8e6;background:linear-gradient(145deg,#fff,#f7f9fc)}
.telegram-icon{background:#eaf4ff;color:var(--telegram)}
.telegram-button{background:var(--telegram);border-color:var(--telegram)}
.telegram-button:hover{background:#125889;border-color:#125889}
.contact-note{display:block;margin-top:14px;color:var(--muted);line-height:1.45}
.contact-help{grid-column:1/-1;padding:26px 30px;border-radius:var(--radius);background:var(--navy);color:#fff}
.contact-help h2{margin-top:0}
.contact-help p{color:#bdc7d6;max-width:850px}
.contact-details{display:flex;flex-wrap:wrap;gap:18px 28px;margin-top:18px}
.contact-details span{display:inline-flex;align-items:center;gap:8px}
.telegram-fab{position:fixed;right:22px;bottom:22px;z-index:60;display:inline-flex;align-items:center;gap:9px;min-height:48px;padding:0 17px;border-radius:999px;background:var(--telegram);color:#fff;font-weight:800;box-shadow:0 16px 38px rgba(16,24,39,.25);transition:transform .2s,box-shadow .2s}
.telegram-fab:hover{transform:translateY(-2px);box-shadow:0 20px 44px rgba(16,24,39,.3)}
.telegram-fab .icon{width:20px;height:20px}
.home-contact{padding:65px 0;background:var(--surface)}
.home-contact-card{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:34px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
.home-contact-card h2{margin:.4rem 0 .25rem;font-size:clamp(1.7rem,4vw,2.4rem);letter-spacing:-.04em}
.home-contact-card p{margin:0;color:var(--muted)}
.home-contact-actions{display:flex;gap:12px;flex-wrap:wrap}

:focus-visible{outline:3px solid var(--red);outline-offset:4px}
.skip-link{position:absolute;left:16px;top:-80px;background:white;padding:12px;z-index:100}
.skip-link:focus{top:10px}

@media(max-width:1080px){
  .benefit-cards{grid-template-columns:repeat(2,1fr)}
  .brand-logo{width:min(280px,40vw)}
}
@media(max-width:900px){
  .topbar-wrap{flex-direction:column;align-items:flex-start}
  .menu-button{display:block}
  .main-nav{display:none;position:absolute;left:20px;right:20px;top:88px;flex-direction:column;align-items:stretch;padding:20px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);max-height:calc(100vh - 110px);overflow:auto}
  .main-nav.open{display:flex}
  .hero-grid,.product-detail,.cart-layout,.account-grid,.admin-grid,.implementation-grid{grid-template-columns:1fr}
  .hero-grid{gap:45px}
  .product-grid{grid-template-columns:repeat(2,1fr)}
  .purchase-card{position:static}
  .benefits-grid,.trust-strip__grid,.contact-layout{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .full-span,.contact-help{grid-column:auto}
  .hero-stats{grid-template-columns:1fr 1fr 1fr}
  .telegram-fab span{display:none}
  .telegram-fab{width:50px;height:50px;padding:0;justify-content:center;border-radius:50%}
}
@media(max-width:700px){
  .home-contact-card{align-items:flex-start;flex-direction:column}
  .home-contact-card .button{width:100%}
}
@media(max-width:620px){
  .container{width:min(100% - 28px,1180px)}
  .brand-logo{width:220px}
  .hero{padding:52px 0}
  .hero h1{font-size:2.7rem}
  .product-grid{grid-template-columns:1fr}
  .section-heading{align-items:start;flex-direction:column}
  .filter-bar{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .cart-item{grid-template-columns:auto 1fr}
  .cart-item>strong,.cart-item>form{grid-column:2}
  .form-grid{grid-template-columns:1fr}
  .site-footer{padding-top:40px}
  .product-detail{gap:35px}
  .page-header{padding:40px 0 30px}
  .contact-layout{padding-top:30px}
  .contact-card{grid-template-columns:1fr;padding:24px}
  .contact-card .button{width:100%;overflow-wrap:anywhere}
  .contact-details{flex-direction:column;gap:10px}
  .trust-strip__grid div{align-items:flex-start}
  .hero-points{flex-direction:column;align-items:flex-start}
  .hero-stats{grid-template-columns:1fr}
  .benefit-cards{grid-template-columns:1fr}
  .topbar-links{gap:10px;flex-direction:column;align-items:flex-start}
  .telegram-fab{right:16px;bottom:16px}
}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}