/* =============================================================================
   BridgeMesh — landing.
   Mesh-сетка в фирменных cyan→green. Тёмная тема, неоновые блики.
   Glassmorphism в шапке, плавные эластичные переходы, depth.
   ============================================================================= */

:root{
    /* Поверхности */
    --bg:#07090F;
    --bg-2:#0B0F1B;
    --bg-3:#111827;
    --panel:#0E1424;
    --panel-2:#131B2D;
    --card:#0F1626;
    --border:rgba(255,255,255,.07);
    --border-2:rgba(255,255,255,.14);

    /* Текст */
    --text:#EEF2F8;
    --muted:#9AA7BD;
    --muted-2:#6B7689;

    /* Бренд */
    --brand:#22D3EE;       /* cyan-400 */
    --brand-strong:#0EA5E9;
    --accent:#34D399;      /* emerald-400 */
    --accent-strong:#10B981;
    --danger:#FF5B6E;
    --warn:#F6C76B;

    /* Градиенты */
    --grad:linear-gradient(135deg,#22D3EE 0%,#34D399 100%);
    --grad-soft:linear-gradient(135deg,rgba(34,211,238,.16),rgba(52,211,153,.12));
    --grad-glow:linear-gradient(135deg,rgba(34,211,238,.35),rgba(52,211,153,.25));

    /* Тени / elevation */
    --e1:0 1px 2px rgba(0,0,0,.4);
    --e2:0 6px 16px rgba(0,0,0,.35), 0 2px 4px rgba(0,0,0,.25);
    --e3:0 18px 40px rgba(0,0,0,.45), 0 4px 12px rgba(0,0,0,.3);
    --e4:0 30px 70px rgba(0,0,0,.55), 0 10px 30px rgba(0,0,0,.4);
    --shadow-card:0 18px 40px -16px rgba(0,0,0,.55);
    --shadow-lg:0 40px 80px -20px rgba(0,0,0,.6);

    /* Радиусы */
    --r-sm:12px;
    --r-md:18px;
    --r-lg:24px;
    --r-xl:32px;
    --r-full:999px;

    /* Motion */
    --ease-spring:cubic-bezier(.34,1.56,.64,1);
    --ease-out:cubic-bezier(.22,1,.36,1);
    --ease-smooth:cubic-bezier(.4,0,.2,1);
    --d-fast:160ms;
    --d-base:280ms;
    --d-slow:480ms;

    /* Шрифты */
    --font:'Manrope',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
    --font-head:'Unbounded',var(--font);

    /* Layout */
    --max:1180px;
    --gutter:24px;
}

/* ---------- Reset / база ---------- */
*,*::before,*::after{box-sizing:border-box}
*{margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{
    font-family:var(--font);
    background:var(--bg);
    color:var(--text);
    line-height:1.65;
    font-size:17px;
    overflow-x:hidden;
    -webkit-font-smoothing:antialiased;
    -moz-osx-font-smoothing:grayscale;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color var(--d-base) var(--ease-smooth)}
a:hover{color:var(--accent)}
::selection{background:rgba(34,211,238,.32);color:#fff}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 var(--gutter)}
.container.narrow{max-width:860px}
.hide-mobile{display:inline}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--brand);color:#04121a;padding:10px 16px;border-radius:0 0 10px 0;z-index:1000;font-weight:700}
.skip-link:focus{left:0}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.85em}

/* ============================= Шапка (glass) ============================= */
.site-header{
    position:sticky;
    top:12px;
    z-index:200;
    margin:12px auto 0;
    width:calc(100% - 24px);
    max-width:var(--max);
    backdrop-filter:saturate(180%) blur(20px);
    -webkit-backdrop-filter:saturate(180%) blur(20px);
    background:rgba(11,15,27,.55);
    border:1px solid rgba(255,255,255,.08);
    border-radius:var(--r-full);
    box-shadow:var(--e2);
    transition:box-shadow var(--d-base) var(--ease-smooth),background var(--d-base) var(--ease-smooth);
}
.header-inner{
    display:flex;
    align-items:center;
    justify-content:space-between;
    position:relative;
    gap:16px;
    height:68px;
    padding:0 22px;
}
.header-inner .brand{position:relative;z-index:2}
.header-inner .nav-toggle{position:relative;z-index:2;margin-left:auto}
.brand{
    display:flex;
    align-items:center;
    gap:10px;
    color:var(--text);
    font-weight:800;
    transition:opacity var(--d-base) var(--ease-smooth);
}
.brand:hover{opacity:.88}
.brand-mark{
    display:inline-flex;
    filter:drop-shadow(0 6px 16px rgba(34,211,238,.45));
    transition:transform var(--d-base) var(--ease-spring);
}
.brand:hover .brand-mark{transform:rotate(-8deg)}
.brand-name{
    font-family:var(--font-head);
    font-size:19px;
    letter-spacing:.2px;
}
.main-nav{
    display:flex;align-items:center;gap:14px;
    position:absolute;
    left:50%;
    transform:translateX(-50%);
    white-space:nowrap;
}
.main-nav .nav-gh-btn{margin-left:6px}
.main-nav a{
    color:var(--muted);
    font-weight:600;
    font-size:15px;
    position:relative;
    padding:4px 0;
    white-space:nowrap;
    transition:color var(--d-base) var(--ease-smooth);
}
.main-nav a:hover{color:var(--text)}
.main-nav a:not(.nav-gh-btn)::after{
    content:'';
    position:absolute;left:0;bottom:-3px;
    height:2px;width:0;
    background:var(--grad);
    border-radius:2px;
    transition:width var(--d-base) var(--ease-out);
}
.main-nav a:hover::after{width:100%}
.nav-gh-btn{
    display:inline-flex;align-items:center;gap:7px;
    color:var(--text)!important;
    background:rgba(255,255,255,.05);
    border:1px solid var(--border-2);
    padding:8px 15px!important;
    border-radius:var(--r-full);
    transition:.2s;
    font-weight:700;
}
.nav-gh-btn:hover{
    border-color:var(--brand);
    color:var(--brand)!important;
    background:rgba(34,211,238,.10);
}
.nav-toggle{
    display:none;
    flex-direction:column;
    width:42px;height:42px;
    border:1px solid var(--border-2);
    background:rgba(255,255,255,.03);
    border-radius:12px;
    cursor:pointer;
    align-items:center;justify-content:center;
    gap:5px;
    transition:background var(--d-base) var(--ease-smooth);
}
.nav-toggle:hover{background:rgba(255,255,255,.06)}
.nav-toggle span{
    width:20px;height:2px;
    background:var(--text);
    border-radius:2px;
    transition:transform var(--d-base) var(--ease-spring),opacity var(--d-base);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ============================= Кнопки ============================= */
.btn{
    display:inline-flex;align-items:center;justify-content:center;gap:9px;
    border:none;cursor:pointer;
    font:inherit;font-weight:700;
    border-radius:var(--r-full);
    padding:13px 22px;
    transition:transform var(--d-fast) var(--ease-spring),box-shadow var(--d-base) var(--ease-smooth),background var(--d-base) var(--ease-smooth),border-color var(--d-base) var(--ease-smooth);
    color:#04121a;
    position:relative;
    overflow:hidden;
    -webkit-tap-highlight-color:transparent;
}
.btn::after{
    content:"";position:absolute;inset:0;
    background:radial-gradient(120% 120% at 50% 50%,rgba(255,255,255,.35),transparent 60%);
    opacity:0;transition:opacity var(--d-base) var(--ease-smooth);
    pointer-events:none;
}
.btn:hover::after{opacity:1}
.btn-primary{
    background:var(--grad);
    color:#04121a;
    box-shadow:0 14px 32px -8px rgba(34,211,238,.55);
}
.btn-primary:hover{
    transform:translateY(-2px);
    box-shadow:0 22px 44px -8px rgba(34,211,238,.65);
    color:#04121a;
}
.btn-lg{padding:16px 30px;font-size:18px}
.btn-ghost{
    background:rgba(255,255,255,.05);
    border:1px solid var(--border-2);
    color:var(--text);
}
.btn-ghost:hover{
    border-color:var(--accent);
    color:var(--accent);
    transform:translateY(-2px);
    background:rgba(52,211,153,.08);
}
.btn-block{width:100%}

/* ============================= HERO ============================= */
.hero{
    position:relative;
    padding:90px 0 40px;
    overflow:hidden;
    background:radial-gradient(1200px 600px at 15% -10%,rgba(34,211,238,.10),transparent 55%),
               radial-gradient(900px 500px at 95% 10%,rgba(52,211,153,.10),transparent 60%),
               var(--bg);
}
.hero-bg{position:absolute;inset:0;pointer-events:none;z-index:0}
.mesh-bg{width:100%;height:100%;opacity:.55}
.mesh-lines path{
    fill:none;
    stroke:rgba(34,211,238,.16);
    stroke-width:1.5;
}
.orbs{position:absolute;inset:0;filter:blur(80px)}
.orbs span{
    position:absolute;border-radius:50%;
    opacity:.55;
    will-change:transform;
}
.orbs span:nth-child(1){
    width:480px;height:480px;
    background:radial-gradient(circle,#22D3EE,transparent 60%);
    top:-120px;left:-100px;
    animation:orb 16s ease-in-out infinite;
}
.orbs span:nth-child(2){
    width:420px;height:420px;
    background:radial-gradient(circle,#34D399,transparent 60%);
    bottom:-160px;right:-80px;
    animation:orb 19s ease-in-out infinite;
}
.orbs span:nth-child(3){
    width:300px;height:300px;
    background:radial-gradient(circle,#7C3AED,transparent 60%);
    top:30%;left:55%;
    animation:orb 22s ease-in-out infinite;
    opacity:.35;
}
@keyframes orb{
    0%,100%{transform:translate(0,0) scale(1)}
    50%{transform:translate(50px,-40px) scale(1.12)}
}

.hero-inner{
    position:relative;z-index:2;
    display:grid;
    grid-template-columns:1.1fr .9fr;
    gap:48px;
    align-items:center;
}
.hero-copy{position:relative;z-index:2}
.eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-weight:700;font-size:13px;letter-spacing:.8px;text-transform:uppercase;
    color:var(--brand);
    background:rgba(34,211,238,.10);
    border:1px solid rgba(34,211,238,.22);
    padding:7px 16px;
    border-radius:var(--r-full);
    margin-bottom:22px;
    box-shadow:inset 0 0 0 1px rgba(34,211,238,.05);
}
.eyebrow::before{
    content:'';
    width:7px;height:7px;
    border-radius:var(--r-full);
    background:var(--brand);
    box-shadow:0 0 10px var(--brand);
}
.hero h1{
    font-family:var(--font-head);
    font-size:clamp(32px,5.2vw,62px);
    line-height:1.05;
    font-weight:800;
    letter-spacing:-.6px;
    margin-bottom:22px;
}
.hero .lead{
    font-size:clamp(16px,2vw,20px);
    color:var(--muted);
    max-width:580px;
    margin-bottom:30px;
}
.hero .lead strong{color:var(--text);font-weight:700}
.grad{
    background:var(--grad);
    -webkit-background-clip:text;background-clip:text;
    -webkit-text-fill-color:transparent;color:transparent;
    filter:drop-shadow(0 4px 24px rgba(34,211,238,.25));
}
.hero-actions{
    display:flex;
    flex-direction:column;
    gap:18px;
    align-items:flex-start;
}
.hero-version{
    color:var(--muted-2);
    font-size:14px;
    padding-left:4px;
}
.hero-version strong{color:var(--text);font-weight:700}
.hero-trust{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:6px}
.trust-item{
    display:inline-flex;align-items:center;gap:7px;
    color:var(--muted);
    font-size:14px;
    background:rgba(255,255,255,.03);
    border:1px solid var(--border);
    padding:7px 14px;
    border-radius:var(--r-full);
}
.trust-item svg{color:var(--accent)}

/* ---------- Телефон-мокап ---------- */
.hero-visual{
    position:relative;
    display:flex;justify-content:center;
    perspective:1400px;
}
.phone{
    position:relative;
    width:min(300px,80vw);
    aspect-ratio:300/600;
    border-radius:38px;
    padding:12px;
    background:linear-gradient(160deg,#1c2740,#0d1324);
    border:1px solid rgba(255,255,255,.12);
    box-shadow:var(--shadow-lg),inset 0 1px 0 rgba(255,255,255,.05);
    animation:phoneIn 1s var(--ease-out) both;
    transform-style:preserve-3d;
    transition:transform 700ms var(--ease-spring);
}
.phone:hover{transform:rotateY(-4deg) rotateX(2deg) translateZ(20px)}
@keyframes phoneIn{
    from{opacity:0;transform:translateY(40px) rotate(4deg) scale(.96)}
    to{opacity:1;transform:none}
}
.phone-notch{
    width:110px;height:26px;
    background:#04060c;
    border-radius:0 0 16px 16px;
    margin:0 auto 10px;
}
.phone-screen{
    background:linear-gradient(180deg,#0E1626,#0A0F1B);
    border-radius:26px;
    overflow:hidden;
    padding:14px;
    display:flex;flex-direction:column;
    gap:11px;
    height:calc(100% - 36px);
    box-shadow:inset 0 0 0 1px rgba(255,255,255,.04);
}
.app-bar{display:flex;align-items:center;gap:8px}
.app-dot{
    width:10px;height:10px;border-radius:var(--r-full);
    background:var(--accent);
    box-shadow:0 0 12px var(--accent);
}
.app-name{font-weight:800;font-size:15px}
.app-online{
    margin-left:auto;font-size:11px;color:var(--accent);
    background:rgba(52,211,153,.10);
    padding:3px 9px;border-radius:var(--r-full);
    border:1px solid rgba(52,211,153,.2);
}
.city-chip{
    font-size:12px;color:var(--muted);
    background:rgba(255,255,255,.04);
    padding:6px 10px;border-radius:10px;
    width:max-content;
}
.chat-row{display:flex;gap:8px;align-items:flex-end}
.chat-row .ava{
    width:26px;height:26px;flex:none;border-radius:var(--r-full);
    display:grid;place-items:center;
    font-size:12px;font-weight:700;
    background:linear-gradient(135deg,#3a4b6e,#26324e);
}
.chat-row.me{flex-direction:row-reverse}
.chat-row.me .ava{
    background:var(--grad);
    color:#04121a;
    box-shadow:0 4px 12px rgba(34,211,238,.3);
}
.bubble{
    background:rgba(255,255,255,.06);
    border-radius:14px 14px 14px 4px;
    padding:9px 12px;
    font-size:13px;
    max-width:75%;
}
.chat-row.me .bubble{
    background:rgba(34,211,238,.16);
    border-radius:14px 14px 4px 14px;
    color:#cff6ff;
    border:1px solid rgba(34,211,238,.18);
}
.notify{
    display:flex;align-items:center;gap:8px;
    margin-top:auto;
    background:linear-gradient(135deg,rgba(255,107,110,.16),rgba(255,170,60,.14));
    border:1px solid rgba(255,120,120,.3);
    padding:10px 12px;border-radius:12px;
    font-size:12.5px;font-weight:700;
}
.notify-ico{font-size:16px}
.bottombar{
    display:flex;justify-content:space-around;
    padding:8px 4px 0;
    border-top:1px solid var(--border);
    margin-top:2px;
}
.bb{opacity:.4;font-size:17px;padding:4px}
.bb.active{
    opacity:1;
    color:var(--brand);
    filter:drop-shadow(0 0 8px rgba(34,211,238,.45));
}

.float-tag{
    position:absolute;
    padding:8px 14px;
    border-radius:var(--r-full);
    font-size:12.5px;font-weight:700;
    background:rgba(15,22,38,.85);
    border:1px solid var(--border-2);
    box-shadow:var(--shadow-card);
    backdrop-filter:blur(10px);
    -webkit-backdrop-filter:blur(10px);
    animation:float 6s ease-in-out infinite;
    white-space:nowrap;
}
.tag-1{top:6%;right:2%;color:var(--brand);box-shadow:0 0 30px rgba(34,211,238,.4)}
.tag-2{bottom:18%;left:-2%;color:var(--accent);animation-delay:1.2s;box-shadow:0 0 30px rgba(52,211,153,.4)}
.tag-3{top:42%;left:-6%;color:var(--muted);animation-delay:2.4s;background:rgba(11,15,27,.85)}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}

/* ---------- Статистика ---------- */
.hero-stats{
    position:relative;z-index:2;
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:14px;
    margin-top:64px;
}
.stat{
    text-align:center;
    padding:24px 12px;
    background:rgba(255,255,255,.03);
    border:1px solid var(--border);
    border-radius:var(--r-md);
    transition:transform var(--d-base) var(--ease-spring),border-color var(--d-base) var(--ease-smooth),box-shadow var(--d-base) var(--ease-smooth);
}
.stat:hover{
    transform:translateY(-4px);
    border-color:var(--border-2);
    box-shadow:var(--e2);
}
.stat-num{
    font-family:var(--font-head);
    font-size:clamp(22px,3vw,34px);
    font-weight:700;
    background:var(--grad);
    -webkit-background-clip:text;background-clip:text;
    -webkit-text-fill-color:transparent;
    letter-spacing:-.02em;
}
.stat-label{
    color:var(--muted);
    font-size:13px;
    margin-top:6px;
    font-weight:600;
}

/* ============================= Секции ============================= */
.section{padding:96px 0;position:relative}
.section-head{
    text-align:center;
    max-width:780px;
    margin:0 auto 56px;
}
.section-tag{
    display:inline-block;
    font-weight:700;font-size:13px;letter-spacing:.8px;text-transform:uppercase;
    color:var(--accent);
    background:rgba(52,211,153,.10);
    border:1px solid rgba(52,211,153,.25);
    padding:7px 16px;
    border-radius:var(--r-full);
    margin-bottom:18px;
}
.section-head h2{
    font-family:var(--font-head);
    font-size:clamp(26px,4vw,42px);
    line-height:1.16;
    font-weight:700;
    letter-spacing:-.5px;
    margin-bottom:16px;
}
.section-sub{color:var(--muted);font-size:17px}
.section-sub a{font-weight:700;border-bottom:1px dashed rgba(34,211,238,.35)}

/* Тёмные вариации секций */
.why,.how,.versions{background:var(--bg-2)}
.security,.perms,.faq{background:var(--bg)}
.p2p{background:var(--bg)}

/* ---------- Карточки (3 в ряд) ---------- */
.cards-grid{display:grid;gap:22px}
.cards-grid.three{grid-template-columns:repeat(3,1fr)}
.card{
    background:var(--card);
    border:1px solid var(--border);
    border-radius:var(--r-lg);
    padding:32px 28px;
    transition:transform var(--d-base) var(--ease-spring),border-color var(--d-base) var(--ease-smooth),box-shadow var(--d-base) var(--ease-smooth);
    position:relative;
    overflow:hidden;
}
.card::before{
    content:'';position:absolute;inset:-1px;
    border-radius:inherit;padding:1px;
    background:var(--grad);
    -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
    -webkit-mask-composite:xor;mask-composite:exclude;
    opacity:0;
    transition:opacity var(--d-base) var(--ease-smooth);
    pointer-events:none;
}
.card:hover{transform:translateY(-6px);border-color:var(--border-2);box-shadow:var(--e3)}
.card:hover::before{opacity:.8}
.card-ico{
    font-size:38px;
    margin-bottom:16px;
    display:inline-flex;
    width:60px;height:60px;
    align-items:center;justify-content:center;
    background:rgba(34,211,238,.08);
    border-radius:var(--r-md);
    border:1px solid rgba(34,211,238,.18);
    transition:transform var(--d-base) var(--ease-spring);
}
.card:hover .card-ico{transform:scale(1.08) rotate(-4deg)}
.card h3{font-size:19px;margin-bottom:8px}
.card p{color:var(--muted);font-size:15px}

/* ---------- Фичи (4×2) ---------- */
.features-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.feat{
    display:flex;gap:14px;align-items:flex-start;
    background:var(--card);
    border:1px solid var(--border);
    border-radius:var(--r-md);
    padding:22px;
    transition:transform var(--d-base) var(--ease-spring),border-color var(--d-base) var(--ease-smooth),box-shadow var(--d-base) var(--ease-smooth);
}
.feat:hover{
    transform:translateY(-4px);
    border-color:rgba(34,211,238,.30);
    box-shadow:var(--shadow-card);
}
.feat-ico{
    font-size:26px;
    flex:none;
    width:46px;height:46px;
    display:grid;place-items:center;
    background:rgba(52,211,153,.08);
    border-radius:var(--r-md);
    border:1px solid rgba(52,211,153,.18);
}
.feat h3{font-size:16px;margin-bottom:6px}
.feat p{color:var(--muted);font-size:14px}

/* ---------- How / mesh diagram ---------- */
.how-wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.mesh-diagram{
    background:var(--card);
    border:1px solid var(--border);
    border-radius:var(--r-lg);
    padding:28px;
    box-shadow:var(--e3);
    position:relative;
    overflow:hidden;
}
.mesh-diagram::before{
    content:'';
    position:absolute;inset:0;
    background:radial-gradient(600px 300px at 30% 30%,rgba(34,211,238,.10),transparent 60%),
               radial-gradient(500px 250px at 80% 70%,rgba(52,211,153,.10),transparent 60%);
    pointer-events:none;
}
.mesh-svg{width:100%;height:auto;position:relative;z-index:1}
.mesh-links path{
    fill:none;
    stroke:rgba(34,211,238,.35);
    stroke-width:2;
    stroke-dasharray:5 4;
    animation:dash 30s linear infinite;
}
.mesh-links path.info{stroke:rgba(52,211,153,.5)}
.mesh-links path.dir{stroke:rgba(34,211,238,.7);stroke-width:2.6;animation:none;stroke-dasharray:none}
@keyframes dash{to{stroke-dashoffset:-1000}}
.nodes .node circle{
    fill:#1B2740;
    stroke:var(--brand);
    stroke-width:2;
    transform-box:fill-box;transform-origin:center;
}
.nodes .node.core circle{fill:url(#mg);filter:drop-shadow(0 0 12px rgba(34,211,238,.6))}
.nodes .node .sub{fill:var(--muted-2);font-size:11px;font-weight:600;letter-spacing:.04em}
.nodes .node-target circle{
    fill:#1B2740;
    stroke:var(--accent);
    stroke-width:2.6;
    filter:drop-shadow(0 0 12px rgba(52,211,153,.6));
}
.nodes .node-dim{opacity:.55}
.nodes .node text{
    fill:var(--muted);
    font-size:15px;
    font-weight:600;
    text-anchor:middle;
}
.nodes .node-target text{fill:var(--accent)}
.nodes .node .dim{fill:var(--muted-2)}
.packet-group{filter:drop-shadow(0 0 8px rgba(34,211,238,.55))}
.packet{
    fill:url(#mhg);
    stroke:var(--brand);
    stroke-width:1.5;
    animation:packet 4.5s linear infinite;
    opacity:0;
}
.packet-1{animation-delay:0s}
.packet-2{animation-delay:1.5s}
.packet-3{animation-delay:3s}

/* Маршрут: "Вы"(140,220) -> Аня(316,146) -> Боря(486,220) -> Вася(810,210) */
@keyframes packet{
    0%   {transform:translate(140px,220px);opacity:0}
    8%   {opacity:1}
    25%  {transform:translate(316px,146px);opacity:1}
    45%  {transform:translate(486px,220px);opacity:1}
    68%  {transform:translate(486px,220px);opacity:1}
    88%  {transform:translate(810px,210px);opacity:1}
    100% {transform:translate(810px,210px);opacity:0}
}
.mesh-caption{
    color:var(--muted);
    font-size:14px;
    text-align:center;
    margin-top:14px;
    position:relative;z-index:1;
}
.how-steps{list-style:none;display:flex;flex-direction:column;gap:20px}
.how-steps li{
    display:flex;gap:16px;align-items:flex-start;
    font-size:17px;
    background:var(--card);
    border:1px solid var(--border);
    border-radius:var(--r-md);
    padding:18px 20px;
    transition:border-color var(--d-base) var(--ease-smooth),transform var(--d-base) var(--ease-spring);
}
.how-steps li:hover{
    border-color:rgba(34,211,238,.30);
    transform:translateX(4px);
}
.step-num{
    flex:none;
    width:38px;height:38px;
    border-radius:12px;
    display:grid;place-items:center;
    font-weight:800;
    background:rgba(34,211,238,.12);
    color:var(--brand);
    border:1px solid rgba(34,211,238,.25);
    box-shadow:inset 0 0 0 1px rgba(34,211,238,.05);
}
.how-note{
    text-align:center;
    color:var(--muted);
    margin-top:40px;
    font-size:15.5px;
}
.how-note strong{color:var(--text)}

/* ---------- Security ---------- */
.shield{
    background:var(--card);
    border:1px solid var(--border);
    border-radius:var(--r-xl);
    padding:46px;
    display:grid;
    grid-template-columns:auto 1fr;
    gap:40px;
    align-items:center;
    box-shadow:var(--e3);
    position:relative;
    overflow:hidden;
}
.shield::before{
    content:'';
    position:absolute;inset:0;
    background:radial-gradient(700px 350px at 0% 0%,rgba(34,211,238,.10),transparent 60%),
               radial-gradient(500px 300px at 100% 100%,rgba(52,211,153,.08),transparent 60%);
    pointer-events:none;
}
.shield>*{position:relative;z-index:1}
.shield-ico{
    filter:drop-shadow(0 0 28px rgba(34,211,238,.4));
    transition:transform var(--d-base) var(--ease-spring);
}
.shield:hover .shield-ico{transform:scale(1.05)}
.shield-list{display:grid;grid-template-columns:1fr 1fr;gap:26px 36px}
.shield-item h4{
    display:flex;align-items:center;gap:10px;
    font-size:17px;
    margin-bottom:6px;
    color:var(--text);
}
.shield-item p{color:var(--muted);font-size:14.5px}
.badges{
    grid-column:1/-1;
    display:flex;flex-wrap:wrap;gap:10px;
    margin-top:10px;
}
.badge{
    background:rgba(255,255,255,.05);
    border:1px solid var(--border-2);
    border-radius:var(--r-full);
    padding:8px 16px;
    font-size:14px;
    font-weight:700;
    transition:transform var(--d-base) var(--ease-spring),border-color var(--d-base) var(--ease-smooth);
}
.badge:hover{
    transform:translateY(-2px);
    border-color:var(--brand);
}

/* ---------- Аккордеон / детали ---------- */
details{
    background:var(--card);
    border:1px solid var(--border);
    border-radius:var(--r-md);
    overflow:hidden;
    transition:border-color var(--d-base) var(--ease-smooth),box-shadow var(--d-base) var(--ease-smooth);
}
.accordion details{margin-bottom:12px}
.accordion details:hover,
details:hover{
    border-color:rgba(34,211,238,.30);
}
.accordion details[open],
.faq-list details[open]{
    border-color:rgba(34,211,238,.30);
    box-shadow:var(--shadow-card);
}
.accordion summary,
.faq-list summary{
    list-style:none;cursor:pointer;
    display:flex;align-items:center;gap:10px;
    padding:18px 22px;
    font-weight:700;
    font-size:16px;
    color:var(--text);
}
.accordion summary::-webkit-details-marker,
.faq-list summary::-webkit-details-marker{display:none}
.accordion summary::after{
    content:'+';
    margin-left:auto;
    font-size:22px;
    color:var(--brand);
    transition:transform var(--d-base) var(--ease-spring);
    width:32px;height:32px;
    display:grid;place-items:center;
    border-radius:var(--r-full);
    background:rgba(34,211,238,.10);
    border:1px solid rgba(34,211,238,.2);
}
.accordion details[open] summary::after{transform:rotate(45deg);background:var(--brand);color:#04121a}
.accordion details>p,
.faq-list details>p{
    padding:0 22px 20px;
    color:var(--muted);
    font-size:15px;
    line-height:1.7;
}
.note-mini{
    color:var(--muted);
    font-size:14.5px;
    margin-top:24px;
    text-align:center;
}
.note-mini code{
    background:rgba(255,255,255,.07);
    padding:2px 7px;
    border-radius:6px;
    color:var(--accent);
}
.faq-list details{padding:0}

/* ---------- Без серверов / P2P ---------- */
.p2p-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.p2p-visual{
    background:var(--card);
    border:1px solid var(--border);
    border-radius:var(--r-lg);
    padding:32px;
    box-shadow:var(--e2);
    position:relative;
    overflow:hidden;
}
.p2p-visual::before{
    content:'';
    position:absolute;inset:0;
    background:radial-gradient(500px 300px at 30% 70%,rgba(255,91,110,.10),transparent 60%);
    pointer-events:none;
}
.p2p-svg{width:100%;height:auto;position:relative;z-index:1}
.p2p-x path{
    stroke:var(--danger);
    stroke-width:3;
    stroke-linecap:round;
    opacity:.7;
    animation:blink 3s ease-in-out infinite;
}
.p2p-peers .node circle{
    fill:#1B2740;
    stroke:var(--brand);
    stroke-width:2;
    transform-box:fill-box;transform-origin:center;
}
.p2p-peers .node.you circle,
.p2p-peers .node-you circle{
    fill:rgba(34,211,238,.22);
    stroke:var(--accent);
    stroke-width:3;
    filter:drop-shadow(0 0 18px rgba(52,211,153,.55));
}
.p2p-peers .node text{
    font-family:var(--font-head);
    font-size:13px;
    font-weight:700;
    fill:var(--muted);
    letter-spacing:.04em;
    text-anchor:middle;
}
.p2p-peers .node text.you{
    fill:var(--accent);
    font-size:20px;
    font-weight:800;
    font-family:var(--font-head);
    letter-spacing:.02em;
    filter:drop-shadow(0 1px 2px rgba(0,0,0,.5));
}
.p2p-server{
    opacity:.85;
    transition:opacity var(--d-base) var(--ease-smooth),transform var(--d-base) var(--ease-spring);
}
.p2p-visual:hover .p2p-server{opacity:.6}
.p2p-x-cut path{
    fill:none;
    opacity:0;
    animation:cutIn .8s var(--ease-out) forwards;
}
.p2p-x-cut path:nth-child(2){animation-delay:.15s}
@keyframes cutIn{
    from{opacity:0;stroke-dashoffset:200}
    to{opacity:1;stroke-dashoffset:0}
}
.p2p-server .p2p-x path{
    stroke-linecap:round;
    filter:drop-shadow(0 0 6px rgba(255,91,110,.5));
}
.p2p-lines path{
    fill:none;
    stroke:rgba(52,211,153,.55);
    stroke-width:2.4;
    stroke-dasharray:6 5;
    animation:dash 20s linear infinite;
}
@keyframes blink{0%,100%{opacity:.7}50%{opacity:.25}}
.p2p-list{display:flex;flex-direction:column;gap:18px}
.p2p-item{
    display:flex;gap:16px;align-items:flex-start;
    background:var(--card);
    border:1px solid var(--border);
    border-radius:var(--r-md);
    padding:22px;
    transition:transform var(--d-base) var(--ease-spring),border-color var(--d-base) var(--ease-smooth),box-shadow var(--d-base) var(--ease-smooth);
}
.p2p-item:hover{
    border-color:rgba(34,211,238,.30);
    box-shadow:var(--shadow-card);
    transform:translateX(4px);
}
.p2p-ico{
    font-size:26px;
    flex:none;
    width:46px;height:46px;
    display:grid;place-items:center;
    background:rgba(52,211,153,.10);
    border-radius:var(--r-md);
    border:1px solid rgba(52,211,153,.20);
}
.p2p-item h3{font-size:17px;margin-bottom:6px}
.p2p-item p{color:var(--muted);font-size:14.5px}
@media(max-width:980px){
    .p2p-grid{grid-template-columns:1fr;gap:30px}
}

/* ---------- Versions ---------- */
.steps-card{
    margin:0 auto 44px;
    max-width:760px;
    background:var(--card);
    border:1px solid var(--border);
    border-radius:var(--r-lg);
    padding:32px 36px;
    box-shadow:var(--e2);
}
.install-steps{list-style:none;display:flex;flex-direction:column;gap:14px}
.install-steps li{display:flex;gap:16px;align-items:flex-start}
.install-steps li p{color:var(--muted)}
.version-list{
    display:flex;flex-direction:column;gap:16px;
    max-width:840px;margin:0 auto;
}
.version-card{
    display:flex;gap:24px;
    justify-content:space-between;align-items:center;
    background:var(--card);
    border:1px solid var(--border);
    border-radius:var(--r-lg);
    padding:26px 28px;
    transition:transform var(--d-base) var(--ease-spring),border-color var(--d-base) var(--ease-smooth),box-shadow var(--d-base) var(--ease-smooth);
}
.version-card:hover{
    border-color:rgba(34,211,238,.30);
    box-shadow:var(--e3);
    transform:translateY(-2px);
}
.version-card.current{
    border-color:rgba(34,211,238,.45);
    background:linear-gradient(135deg,rgba(34,211,238,.08),var(--card));
    box-shadow:0 20px 50px -16px rgba(34,211,238,.25);
}
.vc-head{
    display:flex;align-items:center;gap:12px;
    flex-wrap:wrap;
    margin-bottom:8px;
}
.vc-version{
    font-family:var(--font-head);
    font-weight:700;font-size:22px;
    color:var(--brand);
    letter-spacing:-.01em;
}
.vc-latest{
    background:var(--accent);
    color:#04121a;
    font-weight:800;font-size:12px;
    padding:4px 12px;
    border-radius:var(--r-full);
    box-shadow:0 4px 12px rgba(52,211,153,.3);
}
.vc-date{color:var(--muted-2);font-size:13px}
.vc-title{font-size:16px;margin-bottom:8px}
.vc-changelog{
    color:var(--muted);
    font-size:14.5px;
    white-space:pre-line;
    max-height:140px;
    overflow:auto;
    margin-bottom:10px;
    line-height:1.7;
}
.vc-meta{
    display:flex;flex-wrap:wrap;
    gap:8px 16px;
    color:var(--muted-2);
    font-size:13px;
    align-items:center;
}
.vc-meta .src{color:var(--accent)}
.vc-action{flex:none}
.empty-state{
    text-align:center;
    color:var(--muted);
    padding:36px;
}
.empty-state a{font-weight:700}

.github-cta{
    display:flex;align-items:center;gap:24px;
    max-width:840px;margin:48px auto 0;
    background:linear-gradient(135deg,rgba(34,211,238,.10),rgba(52,211,153,.10));
    border:1px solid rgba(34,211,238,.25);
    border-radius:var(--r-lg);
    padding:30px 34px;
    flex-wrap:wrap;
    box-shadow:0 14px 32px -14px rgba(34,211,238,.25);
}
.gcta-ico{
    color:#fff;flex:none;
    filter:drop-shadow(0 0 24px rgba(34,211,238,.55));
}
.gcta-text{flex:1;min-width:240px}
.gcta-text h3{font-size:20px;margin-bottom:6px}
.gcta-text p{color:var(--muted);font-size:14.5px}

/* ---------- Modal ---------- */
.modal-backdrop{
    position:fixed;inset:0;
    background:rgba(4,6,12,.75);
    backdrop-filter:blur(8px);
    -webkit-backdrop-filter:blur(8px);
    display:flex;align-items:center;justify-content:center;
    padding:24px;
    z-index:500;
    opacity:0;visibility:hidden;
    transition:opacity var(--d-base) var(--ease-smooth),visibility var(--d-base);
}
.modal-backdrop.show{opacity:1;visibility:visible}
.modal{
    background:var(--panel);
    border:1px solid var(--border-2);
    border-radius:var(--r-xl);
    max-width:520px;width:100%;
    padding:30px;
    position:relative;
    transform:translateY(24px) scale(.96);
    transition:transform var(--d-base) var(--ease-spring);
    box-shadow:var(--shadow-lg);
}
.modal-backdrop.show .modal{transform:translateY(0) scale(1)}
.modal-close{
    position:absolute;top:12px;right:14px;
    background:rgba(255,255,255,.06);
    border:none;color:var(--text);
    width:34px;height:34px;
    border-radius:10px;
    font-size:18px;cursor:pointer;
    transition:background var(--d-base) var(--ease-smooth);
}
.modal-close:hover{background:rgba(255,255,255,.12)}
.modal-head{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.modal-ico{
    font-size:26px;
    width:46px;height:46px;
    display:grid;place-items:center;
    background:rgba(34,211,238,.12);
    border-radius:var(--r-md);
    border:1px solid rgba(34,211,238,.22);
}
.modal-head h3{font-size:20px}
.modal>p{color:var(--muted);font-size:15px;margin-bottom:16px}
.consent-list{
    list-style:none;
    display:flex;flex-direction:column;
    gap:12px;
    margin-bottom:22px;
}
.consent-list li{
    display:flex;gap:10px;
    padding-left:28px;
    position:relative;
    color:var(--muted);
    font-size:14.5px;
}
.consent-list li::before{
    content:'✔';
    position:absolute;left:0;top:0;
    color:var(--accent);
    font-weight:800;
}
.consent-list strong{color:var(--text)}
.consent-row{margin-top:8px}

/* ---------- Юридические страницы ---------- */
.legal-page .section-head{margin-bottom:36px}
.legal-page h1{font-size:clamp(28px,4.5vw,44px)}
.panel-page{
    background:var(--card);
    border:1px solid var(--border);
    border-radius:var(--r-md);
    padding:26px 28px;
    margin-bottom:18px;
    transition:border-color var(--d-base) var(--ease-smooth);
}
.panel-page:hover{border-color:var(--border-2)}
.panel-page h3{margin-bottom:12px;color:var(--text);font-size:19px}
.panel-page p{color:var(--muted);font-size:15.5px;margin-bottom:10px}
.panel-page ul{color:var(--muted);font-size:15.5px;padding-left:22px;margin-bottom:10px}
.panel-page li{margin-bottom:6px}
.operator-info{
    background:linear-gradient(135deg,rgba(34,211,238,.06),rgba(52,211,153,.05));
    border:1px solid var(--border-2);
    border-radius:var(--r-md);
    padding:22px 26px;
    margin-top:22px;
}
.operator-info h3{margin-bottom:10px}
.operator-info p{color:var(--muted)}

/* ---------- Toast ---------- */
.toast{
    position:fixed;
    left:50%;bottom:28px;
    transform:translateX(-50%) translateY(30px) scale(.96);
    background:var(--panel-2);
    border:1px solid var(--border-2);
    color:var(--text);
    padding:14px 22px;
    border-radius:var(--r-full);
    box-shadow:var(--e3);
    font-weight:600;font-size:15px;
    z-index:800;
    opacity:0;
    transition:transform var(--d-base) var(--ease-spring),opacity var(--d-base) var(--ease-smooth);
    max-width:90vw;text-align:center;
}
.toast.show{
    opacity:1;
    transform:translateX(-50%) translateY(0) scale(1);
}
.toast.error{border-color:var(--danger)}

/* ---------- Футер ---------- */
.site-footer{
    background:#070a12;
    border-top:1px solid var(--border);
    padding:64px 0 32px;
    position:relative;
    overflow:hidden;
}
.site-footer::before{
    content:'';
    position:absolute;top:0;left:50%;transform:translateX(-50%);
    width:600px;height:1px;
    background:linear-gradient(90deg,transparent,var(--brand),transparent);
    opacity:.4;
}
.footer-grid{
    display:grid;
    grid-template-columns:1.4fr 1fr 1fr 1fr;
    gap:34px;
    margin-bottom:40px;
}
.footer-col h4{
    font-size:14px;
    letter-spacing:.4px;
    text-transform:uppercase;
    color:var(--muted-2);
    margin-bottom:18px;
    font-weight:700;
}
.footer-col nav{display:flex;flex-direction:column;gap:12px}
.footer-col nav a{
    color:var(--muted);
    font-size:14.5px;
    transition:color var(--d-base) var(--ease-smooth);
}
.footer-col nav a:hover{color:var(--text)}
.brand--footer{margin-bottom:16px}
.footer-text{
    color:var(--muted);
    font-size:14.5px;
    margin-bottom:20px;
    max-width:300px;
}
.gh-star{
    display:inline-flex;align-items:center;gap:9px;
    background:rgba(255,255,255,.05);
    border:1px solid var(--border-2);
    padding:12px 18px;
    border-radius:var(--r-full);
    font-weight:700;font-size:14.5px;
    color:var(--text);
    transition:transform var(--d-base) var(--ease-spring),border-color var(--d-base) var(--ease-smooth),color var(--d-base) var(--ease-smooth);
}
.gh-star:hover{
    color:var(--accent);
    border-color:var(--accent);
    transform:translateY(-2px);
}
.admin-link{color:var(--muted-2)!important}
.footer-bottom{
    display:flex;flex-direction:column;gap:12px;
    text-align:center;
    padding-top:26px;
    border-top:1px solid var(--border);
}
.footer-bottom p{color:var(--muted-2);font-size:13.5px}
.footer-bottom strong{color:var(--muted)}
.licence{color:var(--muted)}

/* ---------- Reveal ---------- */
.reveal{
    opacity:0;
    transform:translateY(22px);
    transition:opacity .8s var(--ease-out),transform .8s var(--ease-out);
}
.reveal.in{opacity:1;transform:none}
.reveal-delay-1{transition-delay:.12s}
@media(prefers-reduced-motion:reduce){
    *,*::before,*::after{
        animation-duration:.001ms!important;
        animation-iteration-count:1!important;
        transition:none!important;
    }
}

/* ---------- Responsive ---------- */
@media(max-width:980px){
    .hero-inner{grid-template-columns:1fr;gap:40px}
    .hero-visual{order:-1}
    .phone{width:240px;aspect-ratio:240/480}
    .features-grid{grid-template-columns:repeat(2,1fr)}
    .cards-grid.three{grid-template-columns:1fr}
    .how-wrap{grid-template-columns:1fr;gap:30px}
    .shield{grid-template-columns:1fr;padding:30px;gap:28px}
    .shield-list{grid-template-columns:1fr 1fr}
    .footer-grid{grid-template-columns:1fr 1fr}
    .section{padding:72px 0}
}
@media(max-width:640px){
    body{font-size:16px}
    .site-header{
        margin:8px 8px 0;
        width:calc(100% - 16px);
        border-radius:var(--r-lg);
    }
    .main-nav{
        position:fixed !important;
        left:12px !important;
        right:12px;
        transform:none !important;
        inset:auto 12px 12px 12px;
        background:rgba(11,15,27,.98);
        backdrop-filter:blur(20px);
        border:1px solid var(--border);
        flex-direction:column;
        align-items:stretch;
        gap:4px;
        padding:18px 20px 24px;
        transform:translateY(-12px);
        opacity:0;
        pointer-events:none;
        transition:transform var(--d-base) var(--ease-spring),opacity var(--d-base) var(--ease-smooth);
        z-index:150;
        max-height:calc(100vh - 100px);
        overflow:auto;
        border-radius:var(--r-lg);
    }
    .main-nav.open{transform:translateY(0);opacity:1;pointer-events:auto}
    .main-nav a{padding:14px 14px;font-size:16px;border-radius:10px}
    .main-nav a:hover{background:rgba(255,255,255,.06)}
    .main-nav a::after{display:none}
    .nav-gh-btn{justify-content:center;margin-top:6px}
    .nav-toggle{display:flex}
    .hero{padding:60px 0 30px}
    .hero .lead{font-size:16.5px}
    .hero-actions{align-items:stretch}
    .hero-actions .btn{width:100%}
    .hero-stats{grid-template-columns:repeat(2,1fr);margin-top:46px}
    .features-grid{grid-template-columns:1fr}
    .shield-list{grid-template-columns:1fr}
    .hide-mobile{display:none}
    .version-card{flex-direction:column;align-items:flex-start;gap:18px}
    .vc-action{width:100%}
    .vc-action .btn{width:100%}
    .github-cta{flex-direction:column;align-items:flex-start}
    .github-cta .btn{width:100%}
    .footer-grid{grid-template-columns:1fr}
    .float-tag{display:none}
    .modal{padding:24px}
    .stat-num{font-size:22px}
    .vc-version{font-size:18px}
}
@media(max-width:480px){
    .hero-trust{gap:6px 10px}
    .trust-item{font-size:13px;padding:6px 12px}
}


/* =============================================================================
   BridgeMesh — доп. анимации (reveal stagger, hover micro, shine, scroll-nav)
   Подключены без новых HTML-классов; уважают prefers-reduced-motion.
   ============================================================================= */

/* ---------- 1. ПОЭТАПНОЕ ПОЯВЛЕНИЕ (stagger) ---------- */
@media (prefers-reduced-motion: no-preference) {
    /* Карточки возможностей (.features-grid .feat) — каскад */
    .features-grid .feat.reveal{transition-delay:calc(var(--i, 0) * 60ms)}
    .features-grid .feat.reveal:nth-child(1){--i:0}
    .features-grid .feat.reveal:nth-child(2){--i:1}
    .features-grid .feat.reveal:nth-child(3){--i:2}
    .features-grid .feat.reveal:nth-child(4){--i:3}
    .features-grid .feat.reveal:nth-child(5){--i:4}
    .features-grid .feat.reveal:nth-child(6){--i:5}
    .features-grid .feat.reveal:nth-child(7){--i:6}
    .features-grid .feat.reveal:nth-child(8){--i:7}

    /* Карточки "Без серверов" (.p2p-item) */
    .p2p-list .p2p-item.reveal{transition-delay:calc(var(--i, 0) * 100ms)}
    .p2p-list .p2p-item.reveal:nth-child(1){--i:0}
    .p2p-list .p2p-item.reveal:nth-child(2){--i:1}
    .p2p-list .p2p-item.reveal:nth-child(3){--i:2}
    .p2p-list .p2p-item.reveal:nth-child(4){--i:3}

    /* Карточки "Возможности" (.cards-grid.three .card) */
    .cards-grid.three .card.reveal{transition-delay:calc(var(--i, 0) * 90ms)}
    .cards-grid.three .card.reveal:nth-child(1){--i:0}
    .cards-grid.three .card.reveal:nth-child(2){--i:1}
    .cards-grid.three .card.reveal:nth-child(3){--i:2}

    /* Шаги "Как работает" */
    .how-steps li.reveal{transition-delay:calc(var(--i, 0) * 70ms)}
    .how-steps li.reveal:nth-child(1){--i:1}
    .how-steps li.reveal:nth-child(2){--i:2}
    .how-steps li.reveal:nth-child(3){--i:3}
    .how-steps li.reveal:nth-child(4){--i:4}

    /* Hero статы */
    .hero-stats .stat.reveal{transition-delay:calc(var(--i, 0) * 80ms)}
    .hero-stats .stat.reveal:nth-child(1){--i:0}
    .hero-stats .stat.reveal:nth-child(2){--i:1}
    .hero-stats .stat.reveal:nth-child(3){--i:2}
    .hero-stats .stat.reveal:nth-child(4){--i:3}

    /* Shield-items (security block) */
    .shield-item.reveal{transition-delay:calc(var(--i, 0) * 60ms)}
    .shield-item.reveal:nth-child(1){--i:1}
    .shield-item.reveal:nth-child(2){--i:2}
    .shield-item.reveal:nth-child(3){--i:3}
    .shield-item.reveal:nth-child(4){--i:4}
}

/* ---------- 2. MAGNETIC HOVER для фич ---------- */
@media (hover: hover) and (prefers-reduced-motion: no-preference) {
    .feat{
        transform:translateY(0);
        transition:transform 360ms var(--ease-spring),
                   border-color var(--d-base) var(--ease-smooth),
                   box-shadow var(--d-base) var(--ease-smooth),
                   background 360ms var(--ease-smooth);
        will-change:transform;
    }
    .feat:hover{
        transform:translateY(-6px) scale(1.015);
        background:linear-gradient(135deg, rgba(34,211,238,.04), rgba(52,211,153,.04));
    }
    .feat .feat-ico{transition:transform 500ms var(--ease-spring),background 360ms var(--ease-smooth)}
    .feat:hover .feat-ico{transform:scale(1.12) rotate(-8deg)}
}

/* ---------- 3. PULSE для eyebrow-точек и stat-цифр ---------- */
@keyframes pulse-soft {
    0%,100% { box-shadow: 0 0 0 0 rgba(34,211,238,.45); }
    70%     { box-shadow: 0 0 0 10px rgba(34,211,238,0); }
}
@media (prefers-reduced-motion: no-preference) {
    .eyebrow::before,
    .section-tag::before{
        animation:pulse-soft 2.2s ease-out infinite;
    }
    .stat-num{
        animation:numGlow 3s ease-in-out infinite;
    }
}
@keyframes numGlow{
    0%,100%{filter:drop-shadow(0 0 0 rgba(34,211,238,0))}
    50%{filter:drop-shadow(0 0 8px rgba(34,211,238,.35))}
}

/* ---------- 4. SHINE-SWEEP для кнопок и CTA-карточек ---------- */
@keyframes shineSweep {
    0%   { transform: translateX(-120%); }
    60%  { transform: translateX(120%); }
    100% { transform: translateX(120%); }
}
@media (prefers-reduced-motion: no-preference) {
    .btn-primary, .download-card, .github-cta{
        position:relative;
        overflow:hidden;
    }
    .btn-primary::before,
    .download-card::after,
    .github-cta::after{
        content:"";
        position:absolute;
        top:0;
        left:0;
        width:60%;
        height:100%;
        background:linear-gradient(115deg, transparent 0%, rgba(255,255,255,.25) 45%, transparent 70%);
        transform:translateX(-120%);
        animation:shineSweep 5s ease-in-out infinite;
        pointer-events:none;
    }
    .download-card::after,
    .github-cta::after{width:40%;animation-duration:7s;animation-delay:1.5s}
}

/* ---------- 5. BADGE-pill animation ---------- */
@media (hover: hover) and (prefers-reduced-motion: no-preference) {
    .badge{
        position:relative;
        transition:transform 320ms var(--ease-spring),
                   border-color var(--d-base) var(--ease-smooth),
                   background var(--d-base) var(--ease-smooth);
    }
    .badge:hover{
        transform:translateY(-2px) scale(1.03);
        background:rgba(34,211,238,.08);
        border-color:var(--brand);
        color:var(--brand);
    }
}

/* ---------- 6. HOVER на stat — кольцевая подсветка ---------- */
@media (hover: hover) and (prefers-reduced-motion: no-preference) {
    .stat{position:relative;overflow:hidden}
    .stat::after{
        content:"";
        position:absolute;
        inset:auto -30% -40% auto;
        width:140px;height:140px;
        background:radial-gradient(circle, rgba(34,211,238,.18), transparent 60%);
        opacity:0;
        transition:opacity var(--d-base) var(--ease-smooth);
    }
    .stat:hover::after{opacity:1}
}

/* ---------- 7. STAGGER для version-list (карточки версий) ---------- */
@media (prefers-reduced-motion: no-preference) {
    .version-list .version-card,
    .version-list .version-list > *{
        transition-delay:calc(var(--i, 0) * 90ms);
    }
}

/* ---------- 8. Float-tag улучшение: плавное свечение ---------- */
@media (prefers-reduced-motion: no-preference) {
    .tag-1{animation:float 5.5s ease-in-out infinite, glowCyan 3.5s ease-in-out infinite}
    .tag-2{animation:float 5.5s ease-in-out 1.2s infinite, glowGreen 3.5s ease-in-out infinite}
    .tag-3{animation:float 5.5s ease-in-out 2.4s infinite}
}
@keyframes glowCyan{
    0%,100%{box-shadow:0 0 30px rgba(34,211,238,.4)}
    50%{box-shadow:0 0 50px rgba(34,211,238,.7)}
}
@keyframes glowGreen{
    0%,100%{box-shadow:0 0 30px rgba(52,211,153,.4)}
    50%{box-shadow:0 0 50px rgba(52,211,153,.7)}
}

/* ---------- 9. Mesh-node: тонкая пульсация ---------- */
@media (prefers-reduced-motion: no-preference) {
    .nodes .node circle,
    .p2p-peers .node circle{
        animation:nodePulse 4s ease-in-out infinite;
    }
    .nodes .node:nth-child(odd) circle,
    .p2p-peers .node:nth-child(odd) circle{animation-delay:-2s}
    .nodes .node-target circle{
        animation:nodePulse 2s ease-in-out infinite;
    }
}
@keyframes nodePulse{
    0%,100%{filter:drop-shadow(0 0 0 rgba(34,211,238,0))}
    50%{filter:drop-shadow(0 0 8px rgba(34,211,238,.35))}
}

/* ---------- 10. Footer: подсветка лого-блока при наведении ---------- */
@media (hover: hover) {
    .brand--footer{transition:transform var(--d-base) var(--ease-spring)}
    .brand--footer:hover{transform:translateX(3px)}
}

/* ---------- 11. Sticky-nav scrolled-state (через класс .scrolled от JS) ---------- */
.site-header.scrolled{
    background:rgba(7,9,15,.78);
    box-shadow:0 6px 24px rgba(0,0,0,.4),0 0 0 1px rgba(34,211,238,.10);
    border-color:rgba(34,211,238,.18);
}

/* ---------- 12. Reveal-маска появления (slide-up + fade) ---------- */
@media (prefers-reduced-motion: no-preference) {
    .reveal{
        opacity:0;
        transform:translateY(28px) scale(.99);
        transition:opacity .9s var(--ease-out), transform .9s var(--ease-spring);
    }
    .reveal.in{
        opacity:1;
        transform:translateY(0) scale(1);
    }
}