.protocols{border-block:1px solid var(--line);background:var(--glass);margin-block:clamp(38px,6vw,72px)}
.proto-in{overflow:hidden;mask-image:linear-gradient(90deg,transparent,#000 9%,#000 91%,transparent);-webkit-mask-image:linear-gradient(90deg,transparent,#000 9%,#000 91%,transparent);position:relative}
.proto-track{display:flex;gap:clamp(8px,1vw,14px);overflow-x:auto;scrollbar-width:none;scroll-behavior:auto}
.proto-track::-webkit-scrollbar{display:none}
.proto-track::-webkit-scrollbar-thumb{display:none}
.proto{position:relative;flex:none;scroll-snap-align:start;display:inline-flex;align-items:center;gap:9px;padding:8px 16px;border-radius:999px;border:1px solid var(--line);background:var(--glass-2);box-shadow:0 4px 12px -8px rgba(0,0,0,.5);font-size:.8rem;color:var(--muted);white-space:nowrap;transition:transform .28s var(--ease),color .24s,border-color .24s,background .24s}
.proto svg{width:15px;height:15px;color:var(--accent);flex:none;transition:transform .4s var(--ease)}
.proto:hover{transform:translateY(-2px);color:var(--text);border-color:var(--line-2);background:var(--glass)}
.proto:hover svg{transform:scale(1.18)}
.proto b{color:var(--text);font-weight:600;letter-spacing:.005em}
.proto small{color:var(--dim);font-size:.64rem;letter-spacing:.12em;text-transform:uppercase}
.proto.is-on b{color:var(--accent)}

.section{position:relative;z-index:2;padding-block:clamp(56px,8vw,112px)}
.sec-head{display:grid;gap:16px;max-width:720px;margin-block:clamp(26px,4vw,52px)}
.sec-head h2{font-size:clamp(1.85rem,1.1rem + 3vw,3.1rem);letter-spacing:-.04em;line-height:1.08}
.sec-head .lead{margin-top:2px;max-width:62ch}

.bento{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:clamp(12px,1.4vw,18px)}
.card{position:relative;overflow:hidden;border-radius:var(--r-lg);border:1px solid var(--line);background:linear-gradient(167deg,rgba(255,255,255,.055),rgba(255,255,255,.014));padding:clamp(20px,2.2vw,30px);transition:border-color .3s var(--ease),transform .3s var(--ease)}
html[data-theme=light] .card{border-color:var(--line)}
.card:hover{border-color:var(--line-2);transform:translateY(-3px)}
.card::before{content:"";position:absolute;inset:0;border-radius:inherit;opacity:0;transition:opacity .35s var(--ease);pointer-events:none;background:radial-gradient(340px circle at var(--mx,50%) var(--my,0%),rgba(149,231,182,.16),transparent 64%)}
.card:hover::before{opacity:1}
.card-foot{margin-top:22px;padding:6px 12px;border-radius:999px;border:1px solid var(--line);font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;color:var(--dim);font-weight:600;transition:color .25s,border-color .25s}
.card:hover .card-foot{color:var(--text);border-color:var(--line-2)}
.card-idx{font-size:.68rem;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:var(--accent);display:flex;align-items:center;gap:10px}
.card-idx::before{content:"";width:20px;height:1px;background:currentColor;opacity:.6;flex:none}
.card h3{font-family:var(--display);font-size:clamp(1.15rem,1rem + .7vw,1.55rem);font-weight:600;letter-spacing:-.03em;line-height:1.16;margin:14px 0 10px}
.card p{color:var(--muted);font-size:.94rem;line-height:1.6}
.card-badge{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:14px;border:1px solid var(--line);background:var(--glass);color:var(--accent);margin-bottom:18px}
.card-symbol svg{width:20px;height:20px}
.card--lead{grid-column:span 6;display:grid;grid-template-columns:1fr 388px;gap:clamp(20px,3.4vw,54px);align-items:center}
.card--half{grid-column:span 3}
.card--lead h3{max-width:2fr}
.server-vis{display:grid;gap:8px;padding:15px;border-radius:var(--r-md);border:1px solid var(--line);background:rgba(0,0,0,.2)}
html[data-theme=light] .server-vis{background:rgba(12,16,20,.04)}
.vis-top{display:flex;justify-content:space-between;font-size:.62rem;letter-spacing:.18em;text-transform:uppercase;color:var(--dim);padding:0 4px;margin-bottom:3px}
.srv{display:flex;align-items:center;gap:11px;padding:12px;border-radius:12px;background:rgba(255,255,255,.028);border:1px solid transparent;transition:border-color .25s,background .25s}
html[data-theme=light] .srv{background:rgba(12,16,20,.035)}
.srv.is-on{border-color:rgba(149,231,182,.34);background:linear-gradient(100deg,rgba(149,231,182,.14),rgba(149,231,182,.02))}
.srv-ic{width:26px;height:26px;border-radius:8px;display:grid;place-items:center;background:var(--glass-2);color:var(--dim);flex:none}
.srv.is-on .srv-ic{color:var(--accent);background:var(--glass)}
.srv-ic svg{width:14px;height:14px}
.srv-txt{display:flex;flex-direction:column;line-height:1.25;min-width:0;overflow:hidden}
.srv-txt b{font-size:.84rem;font-weight:600}
.srv-txt small{font-size:.62rem;color:var(--dim);letter-spacing:.1em;text-transform:uppercase;font-weight:600}
.srv-ping{margin-left:auto;display:flex;align-items:center;gap:8px;flex:none}
.srv-bars{display:flex;align-items:flex-end;gap:2px;height:13px;width:54px}
.srv-bars i{width:3px;height:5px;border-radius:2px;background:var(--line-2)}
.srv-bars i:nth-child(2){height:7px}
.srv-bars i:nth-child(3){height:10px}
.srv-bars i:nth-child(4){height:13px}
.srv.is-on .srv-bars i{background:var(--accent)}
.srv-ping em{font-style:normal;font-size:.72rem;color:var(--muted);font-variant-numeric:tabular-nums;min-width:42px;text-align:right}
.srv.is-on .srv-ping em{color:var(--accent)}


.route-in{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,5vw,72px);align-items:center}
.route-copy{display:grid;gap:16px}
.route-demo{position:relative;border-radius:var(--r-lg);border:1px solid var(--line);background:linear-gradient(170deg,rgba(255,255,255,.05),rgba(255,255,255,.012));box-shadow:var(--shadow-sm);padding:clamp(16px,2vw,22px);overflow:hidden}
.route-demo::before{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(ellipse 80% 70% at 80% 20%,rgba(149,231,182,.08),transparent 70%)}
.route-top{display:flex;justify-content:space-between;font-size:.62rem;letter-spacing:.18em;text-transform:uppercase;color:var(--dim);padding:0 4px 16px}
.route-tabs{display:flex;gap:5px;padding:6px;border-radius:999px;border:1px solid var(--line);background:color-mix(in srgb,var(--glass) 60%,transparent);margin-bottom:20px;flex-wrap:wrap}
.route-tabs button{flex:1;min-width:0;padding:8px 11px;border-radius:999px;font-size:.8rem;font-weight:500;color:var(--muted);white-space:nowrap;transition:background .25s,color .25s,box-shadow .25s}
.route-tabs button:hover{color:var(--text)}
.route-tabs button[aria-selected=true]{background:var(--action);color:var(--action-ink);box-shadow:0 8px 20px -14px rgba(0,0,0,.8);color:var(--action-ink)}
.route-panel{display:grid;gap:12px;padding:8px 8px 0}
.route-panel h3{font-family:var(--display);font-size:1.1rem;font-weight:600;letter-spacing:-.025em}
.route-panel>p{font-size:.86rem;color:var(--muted);min-height:3.4em}
.route-line{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:13px 14px;border-radius:12px;border:1px solid var(--line);background:rgba(255,255,255,.022);font-size:.85rem}
html[data-theme=light] .route-line{background:rgba(12,16,20,.02)}
.route-line span{color:var(--muted)}
.route-line strong{font-size:.76rem;font-weight:600;padding:4px 11px;border-radius:999px;background:var(--glass-2);color:var(--text);transition:color .25s,background .25s}
.route-line strong.is-direct{color:var(--accent);background:rgba(149,231,182,.12)}
.route-line strong.is-on{color:var(--accent)}
.demo-note{font-size:.72rem;color:var(--dim);padding:14px 4px 0;font-style:italic}

.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(12px,1.4vw,18px);counter-reset:step}
.steps li{position:relative;overflow:hidden;border-radius:var(--r-lg);border:1px solid var(--line);background:linear-gradient(165deg,rgba(255,255,255,.045),rgba(255,255,255,.01));padding:clamp(22px,2.4vw,30px);transition:border-color .3s,box-shadow .3s}
.steps li:hover{border-color:var(--line-2)}
html[data-theme=light] .steps li{background:linear-gradient(165deg,#fff,rgba(255,255,255,.6))}
.steps li::after{content:"";position:absolute;right:-18px;top:-30px;width:120px;height:120px;border-radius:50%;background:radial-gradient(circle,rgba(149,231,182,.11),transparent 70%);pointer-events:none}
.steps .step-num{font-family:var(--display);font-size:.72rem;color:var(--accent);letter-spacing:.14em}
.steps h3{font-family:var(--display);font-size:1.06rem;font-weight:600;letter-spacing:-.02em;margin:14px 0 8px;line-height:1.16}
.steps p{font-size:.9rem;color:var(--muted);line-height:1.6}

.platforms{display:grid;grid-template-columns:1fr 1fr;gap:clamp(12px,1.4vw,18px)}
.platform{position:relative;overflow:hidden;border-radius:var(--r-lg);border:1px solid var(--line);background:linear-gradient(165deg,rgba(255,255,255,.055),rgba(255,255,255,.014));padding:clamp(22px,2.6vw,32px);display:grid;gap:6px;grid-template-rows:auto 1fr auto}
html[data-theme=light] .platform{background:linear-gradient(165deg,#fff,rgba(255,255,255,.65))}
.platform::after{content:"";position:absolute;inset:auto -34% -64% auto;width:70%;height:70%;border-radius:50%;background:radial-gradient(circle,rgba(127,201,234,.13),transparent 72%);pointer-events:none}
.platform-top{display:flex;align-items:center;justify-content:space-between;gap:12px;text-align:left}
.platform h3{font-family:var(--display);font-size:clamp(1.4rem,1.1rem + 1vw,1.85rem);letter-spacing:-.03em}
.platform-os{font-size:.82rem;color:var(--dim)}
.release-action{margin-top:24px}
.release-note{margin-top:14px;font-size:.78rem;color:var(--dim);min-height:1.3em}
.download-note{margin-top:24px;font-size:.82rem;color:var(--dim);max-width:64ch}

.faq-in{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,4.4vw,64px);align-items:start}
.faq-copy{display:grid;gap:16px;position:sticky;top:104px}
.faq-list{display:grid;border-top:1px solid var(--line)}
.faq-list details{border-bottom:1px solid var(--line)}
.faq-list summary{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:22px 2px;font-size:.98rem;font-weight:500;transition:color .2s}
.faq-list summary:hover{color:var(--accent)}
.faq-list summary::after{content:"";flex:none;width:12px;height:12px;background:linear-gradient(currentColor,currentColor) center/12px 1.5px no-repeat,linear-gradient(currentColor,currentColor) center/1.5px 12px no-repeat;color:var(--dim);transition:transform .3s var(--ease),color .2s}
.faq-list details[open] summary{color:var(--accent)}
.faq-list details[open] summary::after{transform:rotate(45deg);color:var(--accent)}
.faq-list details p{padding:0 2px 24px;color:var(--muted);font-size:.92rem;line-height:1.62;max-width:none;animation:fadeUp .4s var(--ease)}
@keyframes fadeUp{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}


.final{position:relative;overflow:hidden;margin-top:clamp(40px,6vw,84px);padding-block:clamp(72px,10vw,140px);border-top:1px solid var(--line);text-align:center}
.final::before{content:"";position:absolute;inset:-10% -10% 0;z-index:-1;opacity:.5;pointer-events:none}
.final .aurora i{opacity:.34}
.final-in{position:relative;z-index:2;display:grid;max-width:760px;gap:20px;justify-items:center;max-inline-size:100%}
.final h2{font-size:clamp(2rem,1.1rem + 3.6vw,3.6rem);letter-spacing:-.04em;line-height:1.12}
.final .lead{max-width:44ch}
.final-meta{font-size:.8rem;color:var(--dim)}
.final-word{position:absolute;left:50%;bottom:-.05em;transform:translateX(-50%);z-index:1;font-family:var(--display);font-weight:700;font-size:clamp(5rem,22vw,18rem);letter-spacing:-.06em;line-height:.76;background:linear-gradient(180deg,rgba(255,255,255,.07),transparent 72%);-webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent;pointer-events:none;user-select:none;opacity:.85}
html[data-theme=light] .final-word{background:linear-gradient(180deg,rgba(17,20,26,.08),transparent 72%)}
@media(max-width:760px){
  .final-word{display:none}
}

.footer{position:relative;z-index:2;border-top:1px solid var(--line);background:linear-gradient(180deg,transparent,rgba(255,255,255,.02))}
.footer-in{display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center;padding-block:30px}
.footer-brand{display:flex;flex-direction:column;gap:6px}
.footer-brand .brand{font-size:.98rem}
.footer-tag{font-size:.8rem;color:var(--dim)}
.footer-links{display:flex;flex-wrap:wrap;gap:8px 22px;justify-content:flex-end}
.footer-links a{font-size:.82rem;color:var(--muted);transition:color .2s}
.footer-links a:hover{color:var(--text)}
.footer-bottom{grid-column:1/-1;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:18px;border-top:1px solid var(--line);font-size:.76rem;color:var(--dim);flex-wrap:wrap}
.footer-bottom a{color:var(--dim)}
.footer-bottom a:hover{color:var(--muted)}

.js .reveal{opacity:0;transform:translateY(18px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.js .reveal.in{opacity:1;transform:none}
.js .d1{transition-delay:.08s}
.js .d2{transition-delay:.16s}
.js .d3{transition-delay:.26s}
.js .d4{transition-delay:.36s}


/* responsive — home: grid collapses */
@media(max-width:1024px){
  .card--lead{grid-template-columns:1fr;gap:24px}
  .server-vis{max-width:520px;margin-inline:0}
  .route-in{grid-template-columns:1fr;gap:30px}
  .faq-in{grid-template-columns:1fr;gap:28px}
  .faq-copy{position:static}
  .footer-in{grid-template-columns:1fr;gap:16px}
  .footer-links{justify-content:flex-start}
}
@media(max-width:760px){
  .bento{grid-template-columns:1fr}
  .card--lead,.card--half{grid-column:auto}
  .steps{grid-template-columns:1fr}
  .platforms{grid-template-columns:1fr}
  .route-tabs{flex-wrap:wrap;border-radius:18px}
  .route-tabs button{flex:1 1 42%;padding:7px 5px;font-size:.75rem}
  .final-in{gap:16px}
  .final h2{font-size:clamp(1.7rem,1rem + 5vw,2.45rem)}
}
@media(max-width:520px){
  .hero-cta{gap:10px}
  .hero-meta{flex-direction:column;align-items:flex-start;gap:6px}
  .hero-bottom{flex-wrap:wrap;justify-content:center;gap:6px;text-align:center}
  .hero-bottom span{letter-spacing:.04em;text-transform:none}
  .app-body{grid-template-columns:1fr;min-height:0}
  .app-side{flex-direction:row;justify-content:center;border-right:0;border-bottom:1px solid var(--line);padding:10px;flex-wrap:wrap}
  .app-side span{padding:7px 9px}
  .app-side span em{display:none}
  .app-caption{display:none}
  .footer-bottom{justify-content:center}
}

/* Анимация не должна скрывать содержимое при ограничении движения. */
@media(prefers-reduced-motion:reduce){.js .reveal,.js .reveal.in{opacity:1;transform:none;transition:none}}

/* Навигация на узком экране. */
.app-side span::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor;opacity:.42;flex:none}
.app-side span.is-on::before{opacity:1;background:var(--accent)}
@media(max-width:760px){
  .home .nav-in{justify-content:space-between}
  .js .home .nav-burger{display:grid;place-content:center;gap:5px;width:44px;height:44px;flex:none}
  .nav-burger span{display:block;width:16px;height:1.5px;border-radius:2px;background:currentColor}
  .js .home .menu-open .nav-links{display:flex;position:absolute;top:calc(100% + 6px);right:18px;left:18px;margin:0;padding:10px;align-items:stretch;flex-direction:column;gap:2px;border:1px solid var(--line-2);border-radius:16px;background:var(--solid);box-shadow:var(--shadow-sm)}
  .js .home .menu-open .nav-links a{padding:12px 14px;font-size:1rem;border-radius:9px}
  html:not(.js) .home .nav-in{flex-wrap:wrap}
  html:not(.js) .home .nav-links{display:flex;flex-basis:100%;order:3;justify-content:center;flex-wrap:wrap}
}

/* Знак Lumi вместо вымышленного интерфейса */
.hero{padding-top:clamp(52px,7vw,105px);padding-bottom:clamp(46px,7vw,90px)}
.hero-art{position:relative;min-height:420px;display:grid;place-items:center;isolation:isolate}
.hero-halo{position:absolute;width:78%;aspect-ratio:1;border-radius:50%;background:radial-gradient(circle,rgba(149,231,182,.15),rgba(127,201,234,.055) 42%,transparent 70%);filter:blur(18px)}
.hero-orbit{position:absolute;width:78%;aspect-ratio:1;border:1px solid rgba(178,235,215,.12);border-radius:50%;transform:rotate(-24deg) scaleY(.58)}
.orbit-two{width:94%;border-color:rgba(178,235,215,.075);transform:rotate(29deg) scaleY(.72)}
.hero-mark{width:clamp(160px,19vw,255px);aspect-ratio:1;border-radius:29%;padding:8px;background:linear-gradient(140deg,rgba(255,255,255,.17),rgba(255,255,255,.015));border:1px solid rgba(255,255,255,.16);box-shadow:0 30px 80px -28px rgba(0,0,0,.8),0 0 65px -25px rgba(149,231,182,.3);transform:rotate(-5deg)}
.hero-mark img{display:block;width:100%;height:100%;border-radius:25%}
.hero-art-label{position:absolute;bottom:8%;font-size:.65rem;letter-spacing:.19em;color:var(--dim)}
.hero-art-label i{display:inline-block;width:20px;height:1px;background:var(--accent);vertical-align:middle;margin:0 10px}
.protocols{margin:0;border-block:1px solid var(--line);background:transparent}
.proto-in{display:flex;align-items:center;justify-content:space-between;gap:24px;padding-block:23px;overflow:visible;mask-image:none;-webkit-mask-image:none}
.proto-label{font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--dim)}
.proto-track{display:flex;align-items:center;justify-content:flex-end;gap:clamp(18px,3vw,38px);overflow:visible;flex-wrap:wrap;color:var(--muted);font-weight:600;font-size:.88rem}
.proto-track span{white-space:nowrap}.proto-track small{font-weight:400;font-size:.72rem;color:var(--dim)}
/* Стеклянный футер по мотивам референса */
.footer{border:0;padding:25px clamp(18px,4vw,36px) 30px;overflow:hidden;background:radial-gradient(ellipse 70% 120% at 30% 120%,rgba(100,199,155,.22),transparent 65%),radial-gradient(ellipse 65% 120% at 80% 120%,rgba(105,149,208,.2),transparent 65%)}
.footer-in.wrap{position:relative;width:min(1108px,100%);padding:24px 30px;border-radius:22px;border:1px solid rgba(255,255,255,.16);background:linear-gradient(140deg,rgba(255,255,255,.09),rgba(255,255,255,.025)),rgba(8,10,14,.2);box-shadow:0 24px 70px -28px rgba(0,0,0,.6),inset 0 1px 0 rgba(255,255,255,.13);-webkit-backdrop-filter:blur(26px) saturate(120%);backdrop-filter:blur(26px) saturate(120%)}
html[data-theme=light] .footer-in.wrap{background:linear-gradient(140deg,rgba(255,255,255,.8),rgba(255,255,255,.42));border-color:rgba(45,55,60,.14);box-shadow:0 20px 50px -30px rgba(18,45,32,.28),inset 0 1px 0 #fff}
@media(max-width:760px){
 .home .nav-in.wrap{justify-content:space-between}
 .js .home .menu-open .nav-links{top:calc(100% + 8px);left:0;right:0;border-radius:22px;background:var(--solid);box-shadow:0 20px 45px -20px rgba(0,0,0,.5)}
 .hero-art{min-height:300px}.hero-mark{width:170px}.hero-orbit{max-width:330px}.hero-art-label{bottom:2%}
 .proto-in{align-items:flex-start;flex-direction:column;gap:14px}.proto-track{justify-content:flex-start;gap:12px 24px}
 .footer-in.wrap{padding:22px;border-radius:20px}
}
@media(max-width:520px){.hero{padding-top:38px}.hero-art{min-height:260px}.hero-mark{width:145px}.footer-in.wrap{display:flex;align-items:flex-start;flex-direction:column;gap:20px}.footer-links{justify-content:flex-start}.footer-bottom{width:100%;justify-content:space-between}}
@media(max-width:360px){.home .nav-in.wrap{gap:6px;padding-left:12px}.home .nav-right{gap:4px}.js .home .nav-burger{width:38px;height:38px}.home .theme-toggle{width:36px;height:36px}.home .nav-right .btn-sm{padding:0 11px;font-size:.77rem}}

.card-badge svg,.platform-icon svg{width:20px;height:20px;flex:none}
.platform-icon{width:44px;height:44px;display:grid;place-items:center;flex:none;margin-left:auto;border-radius:14px;border:1px solid var(--line);background:var(--glass);color:var(--accent)}