:root{
  --bg:#070b1a;
  --bg-2:#0b1124;
  --surface:#101a33;
  --surface-2:#16213f;
  --line:rgba(148,163,184,.16);
  --brand:#2f6bff;
  --brand-2:#6a8dff;
  --accent:#00e5a0;
  --accent-2:#00ffb3;
  --danger:#ff5d6c;
  --warn:#fbbf24;
  --text:#e8eefb;
  --muted:#9aa8c7;
  --muted-2:#6b7a9e;
  --shadow:0 18px 50px rgba(2,8,30,.55);
  --radius:16px;
  --radius-sm:10px;
  --font:"Inter","SF Pro Display","PingFang SC","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --mono:"SF Mono","JetBrains Mono",ui-monospace,Menlo,Consolas,monospace;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  line-height:1.65;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0;position:relative}
.section-head{max-width:760px;margin:0 auto 56px;text-align:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);background:rgba(0,229,160,.08);border:1px solid rgba(0,229,160,.25);padding:6px 14px;border-radius:999px;margin-bottom:18px}
.section-head h2{font-size:clamp(28px,4vw,44px);line-height:1.15;font-weight:800;letter-spacing:-.02em}
.section-head p{color:var(--muted);font-size:17px;margin-top:16px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:inherit;font-weight:700;font-size:15px;line-height:1;
  padding:15px 28px;border-radius:12px;border:1px solid transparent;
  cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
  white-space:nowrap;
}
.btn:active{transform:translateY(1px)}
.btn-primary{
  background:linear-gradient(135deg,var(--accent),#00c7a0);
  color:#04231a;
  box-shadow:0 10px 30px rgba(0,229,160,.28);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 40px rgba(0,229,160,.4)}
.btn-ghost{
  background:transparent;color:var(--text);border-color:var(--line);
}
.btn-ghost:hover{border-color:var(--brand-2);background:rgba(47,107,255,.08);transform:translateY(-2px)}
.btn-lg{padding:18px 36px;font-size:17px;border-radius:14px}
.btn-sm{padding:10px 18px;font-size:13px;border-radius:9px}

/* Header */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(7,11,26,.55);
  backdrop-filter:blur(16px) saturate(160%);
  -webkit-backdrop-filter:blur(16px) saturate(160%);
  border-bottom:1px solid transparent;
  transition:background .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.site-header.scrolled{background:rgba(7,11,26,.86);border-bottom-color:var(--line);box-shadow:0 10px 30px rgba(0,0,0,.35)}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px;gap:20px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:19px;letter-spacing:-.01em}
.brand img{width:38px;height:38px;border-radius:10px;object-fit:contain;background:#fff}
.brand .tag{font-size:10px;font-weight:700;color:var(--accent);background:rgba(0,229,160,.12);border:1px solid rgba(0,229,160,.3);padding:2px 6px;border-radius:6px;margin-left:2px}
.nav-menu{display:flex;align-items:center;gap:6px;list-style:none}
.nav-menu a{position:relative;padding:8px 14px;font-size:14.5px;font-weight:500;color:var(--muted);transition:color .2s ease}
.nav-menu a::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;border-radius:2px}
.nav-menu a:hover,.nav-menu a.active{color:var(--text)}
.nav-menu a:hover::after,.nav-menu a.active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:12px}
.lang{font-size:13px;color:var(--muted);cursor:pointer;background:transparent;border:1px solid var(--line);border-radius:8px;padding:8px 12px;font-family:inherit}
.hamburger{display:none;background:transparent;border:1px solid var(--line);border-radius:9px;width:42px;height:42px;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px}
.hamburger span{display:block;width:20px;height:2px;background:var(--text);border-radius:2px;transition:.25s}
.hamburger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger.open span:nth-child(2){opacity:0}
.hamburger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* Hero */
.hero{position:relative;padding:88px 0 100px;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(900px 500px at 15% 0%,rgba(47,107,255,.22),transparent 60%),
    radial-gradient(800px 500px at 90% 10%,rgba(0,229,160,.16),transparent 55%);
  pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;position:relative}
.hero h1{font-size:clamp(32px,5vw,56px);line-height:1.08;font-weight:800;letter-spacing:-.03em}
.hero h1 .grad{background:linear-gradient(120deg,var(--accent),var(--brand-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{color:var(--muted);font-size:18px;margin-top:22px;max-width:560px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-trust{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-trust .chip{font-size:12.5px;color:var(--muted);border:1px solid var(--line);background:rgba(16,26,51,.6);padding:6px 12px;border-radius:999px;display:inline-flex;align-items:center;gap:6px}
.hero-trust .chip b{color:var(--accent);font-weight:700}

/* VPN simulator */
.simulator{
  position:relative;
  background:linear-gradient(160deg,var(--surface),#0a1228);
  border:1px solid var(--line);
  border-radius:20px;
  padding:22px;
  box-shadow:var(--shadow);
}
.simulator .win-bar{display:flex;align-items:center;gap:8px;margin-bottom:18px}
.simulator .dot{width:11px;height:11px;border-radius:50%}
.simulator .dot.r{background:#ff5f57}.simulator .dot.y{background:#febc2e}.simulator .dot.g{background:#28c840}
.simulator .win-title{margin-left:8px;font-size:12px;color:var(--muted-2);font-family:var(--mono)}
.sim-status{display:flex;align-items:center;gap:12px;background:rgba(0,229,160,.06);border:1px solid rgba(0,229,160,.2);border-radius:12px;padding:14px 16px;margin-bottom:18px}
.sim-status .ring{width:14px;height:14px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 0 rgba(0,229,160,.5);animation:pulse 1.6s infinite;flex:none}
.sim-status.off .ring{background:var(--danger);box-shadow:0 0 0 0 rgba(255,93,108,.5)}
.sim-status .txt{flex:1}
.sim-status .txt .s1{font-weight:700;font-size:15px}
.sim-status .txt .s2{font-size:12.5px;color:var(--muted)}
.sim-toggle{flex:none;width:52px;height:30px;border-radius:999px;background:var(--surface-2);border:1px solid var(--line);position:relative;cursor:pointer;transition:background .25s}
.sim-toggle::after{content:"";position:absolute;top:3px;left:3px;width:22px;height:22px;border-radius:50%;background:#fff;transition:transform .25s}
.sim-toggle.on{background:var(--accent)}
.sim-toggle.on::after{transform:translateX(22px);background:#04231a}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(0,229,160,.5)}70%{box-shadow:0 0 0 12px rgba(0,229,160,0)}100%{box-shadow:0 0 0 0 rgba(0,229,160,0)}}
.sim-log{
  background:#050a18;border:1px solid var(--line);border-radius:12px;
  padding:14px;font-family:var(--mono);font-size:12px;color:#7dd3fc;
  height:120px;overflow:hidden;line-height:1.7;position:relative;
}
.sim-log .line{white-space:pre-wrap;word-break:break-all}
.sim-log .line.ok{color:#4ade80}.sim-log .line.key{color:#fbbf24}.sim-log .line.info{color:#93c5fd}
.sim-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:14px}
.metric{background:rgba(16,26,51,.6);border:1px solid var(--line);border-radius:12px;padding:12px;text-align:center}
.metric .k{font-size:11px;color:var(--muted-2);letter-spacing:.06em;text-transform:uppercase}
.metric .v{font-size:20px;font-weight:800;font-family:var(--mono);color:var(--text);margin-top:4px}
.metric .v small{font-size:12px;font-weight:500;color:var(--muted)}
.sim-route{display:flex;align-items:center;justify-content:space-between;margin-top:14px;font-size:13px;color:var(--muted)}
.sim-route .flag{font-size:18px}
.sim-route .arrow{color:var(--accent)}
.bar-track{height:6px;background:var(--surface-2);border-radius:999px;overflow:hidden;margin-top:6px}
.bar-fill{height:100%;width:0;background:linear-gradient(90deg,var(--brand),var(--accent));border-radius:999px;transition:width .8s ease}

/* Trust bar */
.trust-bar{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg-2)}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:34px 0}
.trust-item{text-align:center}
.trust-item .num{font-size:34px;font-weight:800;letter-spacing:-.02em;background:linear-gradient(120deg,var(--accent),var(--brand-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.trust-item .lbl{color:var(--muted);font-size:14px;margin-top:6px}

/* Features */
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.feature-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:rgba(0,229,160,.35)}
.feature-card .ico{width:54px;height:54px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:26px;background:rgba(47,107,255,.12);border:1px solid rgba(47,107,255,.25);margin-bottom:18px}
.feature-card h3{font-size:19px;font-weight:700;margin-bottom:10px}
.feature-card p{color:var(--muted);font-size:14.5px}

/* Servers */
.servers-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.map-panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:28px;position:relative;overflow:hidden}
.map-dots{position:relative;min-height:280px}
.map-dot{position:absolute;width:10px;height:10px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(0,229,160,.18);cursor:pointer;transition:transform .2s}
.map-dot:hover{transform:scale(1.5)}
.map-dot.free{background:var(--warn);box-shadow:0 0 0 4px rgba(251,191,36,.2)}
.map-dot .tip{position:absolute;left:14px;top:-6px;background:var(--surface-2);border:1px solid var(--line);font-size:11px;padding:4px 9px;border-radius:7px;white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .2s;color:var(--text)}
.map-dot:hover .tip{opacity:1}
.server-list{display:flex;flex-wrap:wrap;gap:8px}
.server-list .tag{font-size:12.5px;color:var(--muted);border:1px solid var(--line);background:var(--surface);padding:6px 12px;border-radius:999px;transition:.2s}
.server-list .tag:hover{color:var(--text);border-color:var(--brand-2)}
.server-list .tag.free{color:var(--warn);border-color:rgba(251,191,36,.4)}

/* Security */
.sec-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.sec-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;text-align:center}
.sec-card .ico{font-size:26px;margin-bottom:12px}
.sec-card h4{font-size:15px;font-weight:700;margin-bottom:6px}
.sec-card p{font-size:13px;color:var(--muted)}
.tech-spec{margin-top:28px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.tech-spec summary{cursor:pointer;padding:16px 22px;font-weight:700;display:flex;align-items:center;justify-content:space-between;list-style:none}
.tech-spec summary::-webkit-details-marker{display:none}
.tech-spec summary::after{content:"+";font-size:20px;color:var(--accent)}
.tech-spec[open] summary::after{content:"–"}
.tech-spec .body{padding:0 22px 22px;display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.tech-spec .row{display:flex;justify-content:space-between;gap:10px;font-size:14px;padding:8px 0;border-bottom:1px dashed var(--line)}
.tech-spec .row span{color:var(--muted)}
.tech-spec .row b{font-weight:600;text-align:right}

/* Comparison */
.cmp-table{width:100%;border-collapse:collapse;background:var(--surface);border-radius:var(--radius);overflow:hidden;border:1px solid var(--line)}
.cmp-table th,.cmp-table td{padding:16px 18px;text-align:center;font-size:14.5px;border-bottom:1px solid var(--line)}
.cmp-table thead th{background:var(--surface-2);font-weight:700}
.cmp-table thead th.hl{background:rgba(0,229,160,.1);color:var(--accent)}
.cmp-table td:first-child{text-align:left;font-weight:600;color:var(--muted)}
.cmp-table td.hl{background:rgba(0,229,160,.05)}
.cmp-table .yes{color:var(--accent);font-weight:700}
.cmp-table .no{color:var(--danger)}
.cmp-table .warn{color:var(--warn)}
.cmp-wrap{overflow-x:auto;border-radius:var(--radius)}

/* News */
.news-tabs{display:flex;justify-content:center;gap:10px;margin-bottom:34px;flex-wrap:wrap}
.news-tab{cursor:pointer;font-size:14px;font-weight:600;color:var(--muted);border:1px solid var(--line);background:var(--surface);padding:9px 18px;border-radius:999px;transition:.2s}
.news-tab:hover{color:var(--text)}
.news-tab.active{color:#04231a;background:var(--accent);border-color:var(--accent)}
.timeline{position:relative;max-width:820px;margin:0 auto;padding-left:30px}
.timeline::before{content:"";position:absolute;left:8px;top:4px;bottom:4px;width:2px;background:var(--line)}
.tl-item{position:relative;margin-bottom:26px;opacity:0;transform:translateY(20px);transition:.5s ease}
.tl-item.show{opacity:1;transform:none}
.tl-item::before{content:"";position:absolute;left:-27px;top:6px;width:12px;height:12px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(0,229,160,.18)}
.tl-item .date{font-size:12px;color:var(--muted-2);font-family:var(--mono)}
.tl-item h4{font-size:16.5px;font-weight:700;margin:4px 0 6px}
.tl-item p{font-size:14px;color:var(--muted)}
.tl-item .badge{display:inline-block;font-size:11px;font-weight:700;padding:3px 9px;border-radius:6px;margin-bottom:8px}

/* Social proof */
.reviews-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.review-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.review-card .stars{color:#fbbf24;letter-spacing:2px;font-size:15px;margin-bottom:12px}
.review-card p{font-size:14.5px;color:var(--muted);font-style:italic}
.review-card .who{display:flex;align-items:center;gap:10px;margin-top:16px}
.review-card .avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--accent));display:flex;align-items:center;justify-content:center;font-weight:800;color:#fff;font-size:15px}
.review-card .who b{display:block;font-size:14px}
.review-card .who span{font-size:12.5px;color:var(--muted-2)}
.badges{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:36px}
.badges .b{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);background:var(--surface);border-radius:10px;padding:10px 16px;font-size:13px;color:var(--muted)}

/* Pricing */
.pricing-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.price-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px 20px;text-align:center;transition:transform .25s,box-shadow .25s,border-color .25s;position:relative}
.price-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.price-card.hot{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent),0 18px 50px rgba(0,229,160,.16);transform:scale(1.03)}
.price-card .tag-hot{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--accent);color:#04231a;font-size:11px;font-weight:800;padding:4px 12px;border-radius:999px}
.price-card h3{font-size:15px;font-weight:700;margin-bottom:4px}
.price-card .per{font-size:12px;color:var(--muted)}
.price-card .price{font-size:32px;font-weight:800;margin:14px 0 4px;letter-spacing:-.02em}
.price-card .price small{font-size:14px;color:var(--muted);font-weight:500}
.price-card ul{list-style:none;margin:16px 0 20px;text-align:left;font-size:13px;color:var(--muted)}
.price-card ul li{padding:5px 0;display:flex;gap:8px;align-items:center}
.price-card ul li::before{content:"✓";color:var(--accent);font-weight:800}

/* FAQ */
.faq{max-width:800px;margin:0 auto}
.faq-item{border:1px solid var(--line);background:var(--surface);border-radius:14px;margin-bottom:14px;overflow:hidden}
.faq-q{cursor:pointer;padding:20px 24px;font-weight:700;font-size:16px;display:flex;align-items:center;justify-content:space-between;gap:14px}
.faq-q::after{content:"+";font-size:22px;color:var(--accent);transition:.25s;flex:none}
.faq-item.open .faq-q::after{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a .inner{padding:0 24px 22px;color:var(--muted);font-size:14.5px}
.faq-a ol{padding-left:20px;margin-top:10px}
.faq-a ol li{margin-bottom:8px}

/* Final CTA */
.final-cta{background:linear-gradient(135deg,var(--brand),#12327a);border-radius:24px;padding:70px 40px;text-align:center;position:relative;overflow:hidden}
.final-cta::after{content:"";position:absolute;inset:0;background:radial-gradient(500px 300px at 50% 0%,rgba(0,229,160,.25),transparent 70%);pointer-events:none}
.final-cta h2{font-size:clamp(28px,4vw,44px);font-weight:800;letter-spacing:-.02em;position:relative;z-index:1}
.final-cta p{color:rgba(232,238,251,.85);font-size:17px;margin:16px 0 30px;position:relative;z-index:1}
.final-cta .btn{position:relative;z-index:1}

/* Footer */
.site-footer{background:#050a18;border-top:1px solid var(--line);padding:60px 0 28px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:36px}
.footer-grid .col h5{font-size:14px;font-weight:700;margin-bottom:16px;color:var(--text)}
.footer-grid .col a{display:block;color:var(--muted);font-size:13.5px;padding:5px 0;transition:color .2s}
.footer-grid .col a:hover{color:var(--accent)}
.footer-brand p{color:var(--muted);font-size:13.5px;margin:14px 0;max-width:300px}
.footer-brand .brand img{width:34px;height:34px}
.footer-bottom{border-top:1px solid var(--line);margin-top:44px;padding-top:24px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;font-size:12.5px;color:var(--muted-2)}
.footer-bottom .links{display:flex;gap:18px;flex-wrap:wrap}
.footer-bottom a{color:var(--muted);transition:color .2s}
.footer-bottom a:hover{color:var(--accent)}
.friend-links{margin-top:26px;padding-top:20px;border-top:1px solid var(--line);font-size:13px}
.friend-links .fh{font-size:13px;font-weight:700;color:var(--muted);margin-bottom:10px}
#my-friend-links{color:var(--muted);font-size:13px}
#my-friend-links a{color:var(--muted);margin-right:14px;display:inline-block;padding:3px 0}
#my-friend-links a:hover{color:var(--accent)}

/* Download page */
.dl-hero{text-align:center;padding:90px 0 60px}
.dl-hero h1{font-size:clamp(30px,5vw,50px);font-weight:800;letter-spacing:-.03em}
.dl-hero p{color:var(--muted);font-size:18px;margin-top:16px;max-width:640px;margin-left:auto;margin-right:auto}
.dl-hero .version{display:inline-block;margin-bottom:18px;font-size:13px;color:var(--accent);border:1px solid rgba(0,229,160,.3);background:rgba(0,229,160,.08);padding:5px 14px;border-radius:999px}
.dl-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin:40px 0 70px}
.dl-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:30px;text-align:center;transition:.25s}
.dl-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:rgba(0,229,160,.35)}
.dl-card .ico{font-size:40px;margin-bottom:16px}
.dl-card h3{font-size:18px;font-weight:700;margin-bottom:8px}
.dl-card p{font-size:13.5px;color:var(--muted);min-height:44px;margin-bottom:18px}
.dl-card .meta{font-size:12px;color:var(--muted-2);margin-top:14px}

/* Sitemap page */
.sitemap-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.sitemap-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.sitemap-card h3{font-size:17px;font-weight:700;margin-bottom:14px;padding-bottom:10px;border-bottom:1px solid var(--line)}
.sitemap-card a{display:block;color:var(--muted);font-size:14px;padding:6px 0;transition:color .2s}
.sitemap-card a:hover{color:var(--accent);padding-left:4px}

/* Reveal animation */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .6s ease,transform .6s ease}
.reveal.show{opacity:1;transform:none}

/* Responsive */
@media(max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .features-grid{grid-template-columns:repeat(2,1fr)}
  .sec-grid{grid-template-columns:repeat(2,1fr)}
  .servers-layout{grid-template-columns:1fr}
  .pricing-grid{grid-template-columns:repeat(3,1fr)}
  .reviews-grid{grid-template-columns:repeat(2,1fr)}
  .dl-cards{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  .nav-menu{
    position:fixed;top:72px;left:0;right:0;background:rgba(7,11,26,.97);
    flex-direction:column;padding:20px;gap:4px;border-bottom:1px solid var(--line);
    transform:translateY(-120%);transition:transform .3s ease;z-index:999;
  }
  .nav-menu.open{transform:translateY(0)}
  .nav-menu a{width:100%;padding:14px;font-size:16px}
  .hamburger{display:flex}
  .nav-actions .lang{display:none}
  .trust-grid{grid-template-columns:repeat(2,1fr);gap:22px}
  .features-grid{grid-template-columns:1fr}
  .sec-grid{grid-template-columns:1fr 1fr}
  .pricing-grid{grid-template-columns:1fr}
  .reviews-grid{grid-template-columns:1fr}
  .sitemap-grid{grid-template-columns:1fr}
  .dl-cards{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;text-align:center}
  .section{padding:64px 0}
  .tech-spec .body{grid-template-columns:1fr}
  .sim-metrics{grid-template-columns:repeat(3,1fr);gap:6px}
}