/* VPN Network — Base Styles (mobile-first, performance-optimized) */
:root{
  --color-brand:#0ea5e9;
  --color-brand-dark:#0284c7;
  --color-accent:#10b981;
  --color-text:#0f172a;
  --color-text-muted:#64748b;
  --color-bg:#ffffff;
  --color-surface:#f8fafc;
  --color-border:#e2e8f0;
  --shadow:0 4px 6px -1px rgba(0,0,0,0.1),0 2px 4px -1px rgba(0,0,0,0.06);
  --radius:12px;
  --font-stack:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --max-width:1000px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-stack);color:var(--color-text);background:var(--color-bg);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--color-brand);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto;display:block}
.container{max-width:var(--max-width);margin:0 auto;padding:0 1rem}
.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}

/* Header */
.site-header{border-bottom:1px solid var(--color-border);position:sticky;top:0;background:rgba(255,255,255,0.9);backdrop-filter:blur(8px);z-index:50}
.site-header .container{display:flex;align-items:center;justify-content:space-between;padding:0.75rem 1rem}
.brand{font-weight:800;font-size:1.25rem;letter-spacing:-0.5px}
.brand .accent{color:var(--color-brand)}
.nav-list{display:flex;gap:1.5rem;list-style:none}
.nav-list a{font-weight:600;font-size:0.9rem;color:var(--color-text);text-decoration:none}
.nav-list a:hover{color:var(--color-brand)}
.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:0.5rem;background:var(--color-brand);color:#fff;border:none;padding:0.75rem 1.5rem;border-radius:var(--radius);font-weight:700;font-size:0.95rem;cursor:pointer;text-decoration:none;transition:transform 0.1s,background 0.2s}
.btn-primary:hover{background:var(--color-brand-dark);text-decoration:none;transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{display:inline-flex;align-items:center;justify-content:center;gap:0.5rem;background:transparent;color:var(--color-brand);border:2px solid var(--color-brand);padding:0.75rem 1.5rem;border-radius:var(--radius);font-weight:700;font-size:0.95rem;cursor:pointer;text-decoration:none;transition:all 0.2s}
.btn-outline:hover{background:var(--color-brand);color:#fff;text-decoration:none}

/* Hero */
.hero{padding:4rem 1rem 3rem;text-align:center}
.hero .container{max-width:720px}
.hero-badge{display:inline-flex;align-items:center;gap:0.4rem;background:#eff6ff;color:var(--color-brand);font-size:0.8rem;font-weight:700;padding:0.35rem 0.9rem;border-radius:999px;border:1px solid #bfdbfe;margin-bottom:1rem}
.hero h1{font-size:clamp(1.75rem,5vw,2.75rem);font-weight:800;line-height:1.15;margin-bottom:1.25rem;letter-spacing:-0.5px}
.hero h1 .price{color:var(--color-brand)}
.hero p{font-size:1.1rem;color:var(--color-text-muted);margin-bottom:2rem;max-width:560px;margin-left:auto;margin-right:auto}
.hero-actions{display:flex;flex-direction:column;gap:0.75rem;align-items:center}
.hero-actions .btn-primary{width:min(100%,320px)}
.trust-bar{margin-top:2rem;display:flex;align-items:center;justify-content:center;gap:1.5rem;flex-wrap:wrap;opacity:0.85}
.trust-item{display:flex;align-items:center;gap:0.35rem;font-size:0.85rem;font-weight:600}

/* Comparison table */
.comparison{padding:3rem 1rem;background:var(--color-surface)}
.comparison .section-title{text-align:center;font-size:1.5rem;font-weight:800;margin-bottom:0.5rem}
.comparison .section-sub{text-align:center;color:var(--color-text-muted);margin-bottom:2.5rem}
table{width:100%;border-collapse:collapse;margin-bottom:1.5rem;font-size:0.95rem}
th,td{border:1px solid var(--color-border);padding:0.75rem;text-align:left}
th{background:var(--color-bg);font-weight:700}
tr.recommended{background:#eff6ff;border-color:var(--color-brand)}
.badge-recommended{background:var(--color-brand);color:#fff;font-size:0.7rem;font-weight:800;padding:0.15rem 0.5rem;border-radius:6px;margin-left:0.5rem}
.cta-row{text-align:center;margin-top:1.5rem}

/* CTA section */
.cta-section{padding:3rem 1rem;text-align:center}
.cta-card{background:var(--color-surface);border-radius:var(--radius);padding:2.5rem 1.5rem;border:1px solid var(--color-border)}
.cta-card h2{font-size:1.75rem;font-weight:800;margin-bottom:0.75rem}
.cta-card p{color:var(--color-text-muted);margin-bottom:1.75rem}
.cta-price{font-size:2rem;font-weight:800;color:var(--color-brand);margin-bottom:0.5rem}
.cta-price span{font-size:1rem;color:var(--color-text-muted);font-weight:400}

/* Articles / blog */
.article{padding:3rem 1rem;max-width:720px;margin:0 auto}
.article header{margin-bottom:2rem}
.article .meta{display:flex;gap:1rem;color:var(--color-text-muted);font-size:0.85rem;margin-bottom:1rem;flex-wrap:wrap}
.article h1{font-size:clamp(1.5rem,4vw,2.25rem);font-weight:800;line-height:1.2;margin-bottom:1rem}
.article-intro{font-size:1.15rem;color:var(--color-text);background:var(--color-surface);padding:1.25rem;border-radius:var(--radius);border-left:4px solid var(--color-brand);margin-bottom:2rem}
.article h2{font-size:1.4rem;font-weight:700;margin:2rem 0 1rem}
.article p{margin-bottom:1.25rem}
.article ul,.article ol{margin-bottom:1.25rem;padding-left:1.3rem}
.article ul li,.article ol li{margin-bottom:0.4rem}
.faq{margin-top:3rem;border-top:1px solid var(--color-border);padding-top:2rem}
.faq h2{font-size:1.5rem;font-weight:800;margin-bottom:1.5rem}
details{border:1px solid var(--color-border);border-radius:var(--radius);margin-bottom:0.75rem;overflow:hidden}
summary{padding:1rem;background:var(--color-surface);font-weight:700;cursor:pointer;list-style:none}
summary::-webkit-details-marker{display:none}
details[open] summary{border-bottom:1px solid var(--color-border);background:var(--color-bg)}
details p{padding:0 1rem 1rem;margin:0}

/* Internal linking block */
.related{margin-top:3rem;padding-top:2rem;border-top:1px solid var(--color-border)}
.related h3{font-size:1.25rem;font-weight:800;margin-bottom:1rem}
.related-list{display:flex;flex-direction:column;gap:0.75rem}
.related-item{display:flex;align-items:center;gap:0.75rem;padding:0.75rem;background:var(--color-surface);border-radius:var(--radius);font-size:0.9rem}
.related-item a{color:var(--color-text);font-weight:600}
.related-item a:hover{color:var(--color-brand);text-decoration:none}

/* Footer */
.site-footer{border-top:1px solid var(--color-border);padding:2.5rem 1rem;margin-top:3rem}
.site-footer .container{display:flex;flex-direction:column;gap:1.5rem;align-items:center;text-align:center}
.footer-brand{font-weight:800;font-size:1.1rem}
.footer-brand .accent{color:var(--color-brand)}
.footer-links{display:flex;gap:1.5rem;list-style:none;flex-wrap:wrap;justify-content:center}
.footer-links a{font-size:0.85rem;color:var(--color-text-muted)}
.footer-links a:hover{color:var(--color-brand)}
.footer-note{font-size:0.75rem;color:var(--color-text-muted)}

/* CTA micro */
.micro-cta{display:inline-flex;align-items:center;gap:0.4rem;background:var(--color-surface);border:1px solid var(--color-border);color:var(--color-brand);font-size:0.85rem;font-weight:700;padding:0.45rem 1rem;border-radius:999px;text-decoration:none;margin-top:1rem}
.micro-cta:hover{background:var(--color-brand);color:#fff;text-decoration:none}

/* Atomic Answer — для AI-цитирования */
.atomic-answer{
  display:block;
  background:#f8fafc;
  border-left:4px solid var(--color-brand);
  padding:0.75rem 1rem;
  margin:1rem 0;
  border-radius:0 var(--radius) var(--radius) 0;
  font-size:0.95rem;
}
.atomic-answer p{margin:0}

/* FAQ accessible styling */
details{transition:border-color 0.2s}

/* Image dimensions reserve — CLS fix */
img[loading="lazy"], img[decode="async"]{display:block}

/* Utilities */
.text-center{text-align:center}
.mt-2{margin-top:2rem}
.mb-2{margin-bottom:2rem}
.hide{display:none}

/* Responsive */
@media (min-width:640px){
  .hero-actions{flex-direction:row;justify-content:center}
  .hero-actions .btn-primary{width:auto}
  .footer-brand{font-size:1.25rem}
}
@media (max-width:639px){
  .nav-list{display:none}
  .hero h1{font-size:1.75rem}
}