:root{--bg:#030303;--white:rgba(255,255,255,0.96);--soft:rgba(255,255,255,0.74);--muted:rgba(255,255,255,0.50);--line:rgba(255,255,255,0.15);--panel:rgba(20,20,20,0.70)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{min-height:100vh;margin:0;background:var(--bg);color:var(--white);font-family:"Segoe UI",system-ui,sans-serif;overflow-x:hidden}a{color:inherit;text-decoration:none}.background{position:fixed;inset:0;z-index:-3;overflow:hidden;background:#020202;--parallax-x:0px;--parallax-y:0px}.background img{width:100%;height:100%;object-fit:cover;object-position:center;opacity:0.92;filter:grayscale(1) contrast(1.08) brightness(0.88);transform-origin:center;animation:bgDrift 48s cubic-bezier(.45,0,.2,1) infinite;will-change:transform}.background::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 72% 38%,rgba(255,255,255,0.06),transparent 34%),linear-gradient(90deg,rgba(0,0,0,0.66) 0%,rgba(0,0,0,0.18) 46%,rgba(0,0,0,0.44) 100%),linear-gradient(180deg,rgba(0,0,0,0.08),rgba(0,0,0,0.60))}.snow{position:fixed;inset:0;z-index:-2;pointer-events:none;opacity:0.34;background-image:radial-gradient(circle,rgba(255,255,255,0.78) 0 1px,transparent 1.5px),radial-gradient(circle,rgba(255,255,255,0.42) 0 1px,transparent 1.4px);background-size:96px 96px,150px 150px;animation:snowMove 58s linear infinite;will-change:background-position}.header{position:fixed;z-index:10;top:22px;left:50%;width:min(1120px,calc(100vw - 32px));height:68px;transform:translateX(-50%);display:flex;align-items:center;justify-content:space-between;gap:22px;padding:0 16px;border:1px solid var(--line);border-radius:999px;background:rgba(0,0,0,0.62);box-shadow:0 24px 80px rgba(0,0,0,0.42),inset 0 1px 0 rgba(255,255,255,0.08);backdrop-filter:blur(16px)}.brand{display:flex;align-items:center;gap:12px;font-weight:900;white-space:nowrap}.brand img{width:44px;height:44px;border-radius:50%;object-fit:cover;border:1px solid rgba(255,255,255,0.24);box-shadow:0 0 24px rgba(255,255,255,0.18)}.nav{display:flex;align-items:center;gap:8px}.nav a{padding:11px 18px;border:1px solid transparent;border-radius:999px;color:rgba(255,255,255,0.78);transition:color 420ms ease,border-color 420ms ease,background 420ms ease,transform 420ms cubic-bezier(.16,1,.3,1)}.nav a:hover,body[data-page="home"] .home-link,body[data-page="catalog"] .catalog-link,body[data-page="about"] .about-link{color:#fff;border-color:rgba(255,255,255,0.16);background:rgba(255,255,255,0.09)}.nav a:hover{transform:translateY(-1px)}.page{width:min(1120px,calc(100vw - 32px));min-height:calc(100vh - 104px);margin:0 auto;padding:140px 0 90px}.hero-page{display:grid;align-items:center}.hero-grid{display:grid;grid-template-columns:minmax(0,1.04fr) minmax(320px,0.76fr);align-items:center;gap:54px}.eyebrow{margin:0 0 14px;color:var(--muted);font-size:12px;font-weight:900;text-transform:uppercase}h1,h2,h3,p{margin-top:0}h1{max-width:640px;margin-bottom:22px;font-size:clamp(42px,5.8vw,68px);line-height:1.02}h2{margin-bottom:6px;font-size:27px}.lead,.page-head p,.about-card p{color:var(--soft);font-size:18px;line-height:1.55}.actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}.btn,.small-btn{display:inline-grid;place-items:center;min-height:48px;padding:0 28px;border-radius:999px;font-weight:850;border:1px solid rgba(255,255,255,0.16);background:rgba(0,0,0,0.36);transition:transform 560ms cubic-bezier(.16,1,.3,1),background 560ms ease,box-shadow 560ms ease,border-color 560ms ease}.primary,.small-btn{background:rgba(255,255,255,0.16);box-shadow:inset 0 1px 0 rgba(255,255,255,0.14)}.btn:hover,.small-btn:hover{transform:translateY(-2px);background:rgba(255,255,255,0.18);border-color:rgba(255,255,255,0.24);box-shadow:0 18px 52px rgba(255,255,255,0.08),inset 0 1px 0 rgba(255,255,255,0.16)}.hero-preview{display:grid;place-items:center;min-height:430px;border:1px solid rgba(255,255,255,0.12);border-radius:34px;background:linear-gradient(145deg,rgba(255,255,255,0.10),rgba(255,255,255,0.03)),rgba(0,0,0,0.36);box-shadow:0 32px 100px rgba(0,0,0,0.44),inset 0 1px 0 rgba(255,255,255,0.10);backdrop-filter:blur(12px);transition:transform 720ms cubic-bezier(.16,1,.3,1),border-color 720ms ease,box-shadow 720ms ease}.hero-preview img{width:min(430px,88%);height:280px;object-fit:cover;border-radius:24px;filter:grayscale(1) contrast(1.05) brightness(0.84) drop-shadow(0 0 34px rgba(255,255,255,0.16))}.page-head{max-width:780px;margin-bottom:28px;text-shadow:0 10px 34px rgba(0,0,0,0.62)}.page-head h1{max-width:680px;margin-bottom:16px;font-size:clamp(38px,5vw,58px)}.catalog-list{display:grid;gap:18px}.product-grid{grid-template-columns:minmax(0,1fr) minmax(280px,0.55fr);align-items:stretch}.catalog-card{display:grid;align-items:center;gap:20px;padding:22px;border:1px solid rgba(255,255,255,0.14);border-radius:26px;background:linear-gradient(135deg,rgba(255,255,255,0.12),rgba(255,255,255,0.035)),rgba(18,18,18,0.78);box-shadow:0 24px 80px rgba(0,0,0,0.36),inset 0 1px 0 rgba(255,255,255,0.08);backdrop-filter:blur(12px);transition:transform 720ms cubic-bezier(.16,1,.3,1),border-color 720ms ease,background 720ms ease,box-shadow 720ms ease}.catalog-card:hover,.hero-preview:hover,.about-card:hover{transform:translateY(-3px);border-color:rgba(255,255,255,0.22);box-shadow:0 30px 90px rgba(0,0,0,0.42),0 0 36px rgba(255,255,255,0.06),inset 0 1px 0 rgba(255,255,255,0.10)}.product-card{grid-row:span 2;grid-template-rows:126px auto auto;align-content:start;min-height:342px}.compact-card{grid-template-columns:58px 1fr;align-content:start;min-height:186px}.compact-card .small-btn{grid-column:1 / -1;justify-self:start}.product-image{width:100%;height:126px;overflow:hidden;border-radius:20px;border:1px solid rgba(255,255,255,0.12);background:rgba(0,0,0,0.32)}body[data-page="catalog"] .page{padding-top:124px}.product-image img{width:100%;height:100%;object-fit:cover;filter:grayscale(1) contrast(1.06) brightness(0.82)}.card-icon{position:relative;width:58px;height:58px;border-radius:20px;border:1px solid rgba(255,255,255,0.14);background:rgba(255,255,255,0.10)}.key-icon::before{content:"";position:absolute;left:12px;top:12px;width:19px;height:19px;border:4px solid #fff;border-radius:50%}.key-icon::after{content:"";position:absolute;left:27px;top:29px;width:25px;height:6px;background:#fff;transform:rotate(-35deg);transform-origin:left center}.box-icon::before,.box-icon::after{content:"";position:absolute;inset:16px;border:2px solid #fff;transform:rotate(45deg)}.box-icon::after{inset:22px;opacity:0.55}.update-icon::before{content:"";position:absolute;inset:15px;border:3px solid #fff;border-left-color:transparent;border-radius:50%}.update-icon::after{content:"";position:absolute;right:14px;top:13px;width:9px;height:9px;border-top:3px solid #fff;border-right:3px solid #fff;transform:rotate(38deg)}.card-text span{display:block;margin-bottom:5px;color:var(--muted);font-size:12px;font-weight:900}.card-text p{margin-bottom:0;color:var(--soft)}.small-btn.dark{background:rgba(0,0,0,0.42)}.about-card{display:grid;grid-template-columns:1fr 340px;gap:34px;padding:36px;border:1px solid rgba(255,255,255,0.14);border-radius:34px;background:linear-gradient(135deg,rgba(255,255,255,0.10),rgba(255,255,255,0.03)),rgba(0,0,0,0.58);box-shadow:0 28px 90px rgba(0,0,0,0.42),inset 0 1px 0 rgba(255,255,255,0.08);backdrop-filter:blur(12px);transition:transform 720ms cubic-bezier(.16,1,.3,1),border-color 720ms ease,box-shadow 720ms ease}.about-items{display:grid;gap:10px}.about-items span{padding:14px 16px;border:1px solid rgba(255,255,255,0.10);border-radius:16px;color:rgba(255,255,255,0.80);background:rgba(255,255,255,0.06)}.footer{width:min(1120px,calc(100vw - 32px));margin:0 auto;padding:28px 0;display:flex;justify-content:space-between;gap:18px;color:var(--muted);border-top:1px solid rgba(255,255,255,0.08)}.reveal{opacity:0;transform:translateY(34px) scale(.985);transition:opacity 1100ms ease,transform 1100ms cubic-bezier(.16,1,.3,1);will-change:opacity,transform}.reveal.visible{opacity:1;transform:translateY(0) scale(1)}@keyframes bgDrift{0%{transform:scale(1.02) translate3d(var(--parallax-x),var(--parallax-y),0)}34%{transform:scale(1.055) translate3d(calc(var(--parallax-x) - 16px),calc(var(--parallax-y) + 8px),0)}68%{transform:scale(1.04) translate3d(calc(var(--parallax-x) + 14px),calc(var(--parallax-y) - 10px),0)}100%{transform:scale(1.02) translate3d(var(--parallax-x),var(--parallax-y),0)}}@keyframes snowMove{from{background-position:0 0,0 0}to{background-position:0 520px,0 760px}}@media (max-width:860px){.header{height:auto;flex-direction:column;padding:12px;border-radius:28px}.nav{flex-wrap:wrap;justify-content:center}.page{padding-top:170px}.hero-grid,.about-card,.preview-card{grid-template-columns:1fr}.catalog-card{grid-template-columns:58px 1fr}.product-grid{grid-template-columns:1fr}.product-card{grid-template-rows:220px auto auto;min-height:auto}.small-btn{grid-column:1 / -1}}