/* OSHI Design System - Shared styles for secondary pages */
*{margin:0;padding:0;box-sizing:border-box}
:root{
    --primary:#667eea;--secondary:#764ba2;
    --grad:linear-gradient(135deg,#667eea,#764ba2);
    --grad-soft:linear-gradient(135deg,rgba(102,126,234,0.14),rgba(118,75,162,0.14));
    --dark:#09090f;--dark-card:#14141d;--dark-card-hover:#1b1b26;
    --border:rgba(255,255,255,0.07);--border-strong:rgba(255,255,255,0.14);
    --text:#fff;--text-muted:#9a9ab1;--text-subtle:#6a6a80;
    --success:#4ade80;--warning:#fbbf24;--danger:#f87171;
    --fs-base:15px;--fs-md:17px;--fs-lg:20px;--fs-xl:28px;--fs-2xl:40px;--fs-3xl:clamp(36px,5vw,56px);
    --sp-section:clamp(72px,9vw,120px);--sp-gutter:clamp(20px,4vw,40px);
    --r-sm:8px;--r-md:12px;--r-lg:16px;--r-xl:20px;--r-2xl:28px;--r-pill:999px;
    --ease:cubic-bezier(0.2,0.8,0.2,1);
    --shadow-md:0 6px 24px rgba(0,0,0,0.35);
    --shadow-brand:0 14px 40px rgba(102,126,234,0.35);
}
html{scroll-behavior:smooth}
body{font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;background:var(--dark);color:var(--text);line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased}
img,svg{display:block;max-width:100%}
::selection{background:rgba(102,126,234,0.35);color:#fff}
.gradient-bg{position:fixed;inset:0;background:radial-gradient(900px 600px at 15% 10%,rgba(102,126,234,0.10),transparent 60%),radial-gradient(900px 600px at 85% 90%,rgba(118,75,162,0.10),transparent 60%);z-index:-1;pointer-events:none}
.cursor-glow{position:fixed;top:0;left:0;width:600px;height:600px;border-radius:50%;background:radial-gradient(circle,rgba(102,126,234,0.10),transparent 60%);pointer-events:none;z-index:-1;transform:translate(-50%,-50%);transition:opacity 400ms var(--ease);opacity:0;will-change:transform}
.cursor-glow.active{opacity:1}
@media (hover:none),(prefers-reduced-motion:reduce),(max-width:960px){.cursor-glow{display:none}}
.scroll-progress{position:fixed;top:0;left:0;right:0;height:2px;z-index:2000;pointer-events:none}
.scroll-progress-bar{height:100%;width:0;background:var(--grad);box-shadow:0 0 10px rgba(102,126,234,0.6);transition:width 60ms linear}
nav.site-nav{position:fixed;top:0;left:0;right:0;padding:14px var(--sp-gutter);display:flex;justify-content:space-between;align-items:center;z-index:1000;backdrop-filter:blur(20px) saturate(140%);-webkit-backdrop-filter:blur(20px) saturate(140%);background:rgba(9,9,15,0.72);border-bottom:1px solid var(--border)}
.logo{font-size:22px;font-weight:900;letter-spacing:-0.4px;background:var(--grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;text-decoration:none}
.nav-links{display:flex;gap:28px;align-items:center}
.nav-links a{color:var(--text-muted);text-decoration:none;font-weight:500;font-size:14px;transition:color 200ms var(--ease)}
.nav-links a:hover,.nav-links a.active{color:var(--text)}
.nav-btn{padding:10px 20px;background:var(--grad);border:none;border-radius:var(--r-md);color:#fff;font-weight:600;font-size:13px;text-decoration:none;transition:transform 200ms var(--ease),box-shadow 200ms var(--ease)}
.nav-btn:hover{transform:translateY(-1px);box-shadow:var(--shadow-brand)}
.mobile-menu{display:none;background:none;border:none;color:#fff;font-size:22px;cursor:pointer;padding:6px}
a:focus-visible,button:focus-visible{outline:2px solid #fff;outline-offset:3px;border-radius:4px}
.nav-links.open{display:flex !important}
@media(max-width:960px){.nav-links{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;background:rgba(9,9,15,0.97);backdrop-filter:blur(20px);padding:18px 22px;gap:2px;border-bottom:1px solid var(--border)}.nav-links a{padding:12px 4px;font-size:15px;border-bottom:1px solid rgba(255,255,255,0.05)}.nav-links a:last-child{border-bottom:none}.mobile-menu{display:block}.nav-btn{padding:8px 16px;font-size:12px}}
.breadcrumb{max-width:1100px;margin:0 auto;padding:110px var(--sp-gutter) 0;font-size:13px;color:var(--text-muted)}
.breadcrumb a{color:var(--primary);text-decoration:none;font-weight:500;transition:opacity 200ms var(--ease)}
.breadcrumb a:hover{opacity:0.8}
.page-hero{max-width:1100px;margin:0 auto;padding:32px var(--sp-gutter) 24px;text-align:center}
.page-hero.left{text-align:left;max-width:900px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--r-pill);font-size:11px;font-weight:700;letter-spacing:1.4px;text-transform:uppercase;background:var(--grad-soft);border:1px solid rgba(102,126,234,0.24);color:var(--primary);margin-bottom:20px}
.page-hero h1{font-size:var(--fs-3xl);font-weight:900;line-height:1.04;letter-spacing:-1.8px;margin-bottom:18px}
.page-hero h1 span{background:var(--grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.page-hero .lead{font-size:var(--fs-md);color:var(--text-muted);line-height:1.6;max-width:680px;margin:0 auto}
.page-hero.left .lead{margin:0}
.content{max-width:1100px;margin:0 auto;padding:32px var(--sp-gutter) 80px}
.content.narrow{max-width:900px}
.content h2{font-size:var(--fs-xl);font-weight:800;margin:56px 0 16px;letter-spacing:-0.8px;line-height:1.15;position:relative;padding-left:16px}
.content h2::before{content:'';position:absolute;left:0;top:8px;bottom:8px;width:3px;border-radius:2px;background:var(--grad)}
.content h3{font-size:18px;font-weight:700;margin:28px 0 10px;letter-spacing:-0.2px}
.content p{color:var(--text-muted);font-size:var(--fs-base);line-height:1.75;margin-bottom:18px}
.content ul{color:var(--text-muted);font-size:var(--fs-base);line-height:1.75;margin:0 0 20px 20px}
.content li{margin-bottom:6px}
.content strong{color:var(--text);font-weight:600}
.content a:not(.btn-primary):not(.btn-ghost):not(.nav-btn):not(.feature-card):not(.logo):not(.social-card){color:var(--primary);text-decoration:none;transition:opacity 200ms var(--ease)}
.content a:not(.btn-primary):not(.btn-ghost):not(.nav-btn):not(.feature-card):not(.logo):not(.social-card):hover{opacity:0.8;text-decoration:underline;text-underline-offset:3px}
/* Cards */
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:40px 0}
.features-grid.wide{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.feature-card{background:var(--dark-card);border:1px solid var(--border);border-radius:var(--r-lg);padding:28px;transition:transform 300ms var(--ease),border-color 300ms var(--ease),background 300ms var(--ease);text-decoration:none;color:inherit;display:block;will-change:transform}
.feature-card:hover{border-color:var(--border-strong);transform:translateY(-3px);background:var(--dark-card-hover)}
.feature-icon{width:44px;height:44px;background:var(--grad);border-radius:var(--r-md);display:flex;align-items:center;justify-content:center;margin-bottom:18px;color:#fff;transition:transform 300ms var(--ease)}
.feature-card:hover .feature-icon{transform:scale(1.06);box-shadow:var(--shadow-brand)}
.feature-card h3{font-size:16px;font-weight:700;margin:0 0 8px;letter-spacing:-0.2px;color:var(--text)}
.feature-card p{color:var(--text-muted);font-size:13px;line-height:1.55;margin-bottom:12px}
.feature-card .read-more{color:var(--primary);font-size:13px;font-weight:600;display:inline-flex;align-items:center;gap:4px;transition:gap 200ms var(--ease)}
.feature-card:hover .read-more{gap:8px}
/* Alternate card with outlined icon */
.feature-card.outline .feature-icon{background:var(--grad-soft);border:1px solid rgba(102,126,234,0.24);color:var(--primary)}
/* Highlight box */
.highlight-box{background:var(--grad-soft);border:1px solid rgba(102,126,234,0.22);border-radius:var(--r-xl);padding:28px 32px;margin:32px 0}
.highlight-box h3{margin-top:0;color:var(--text);font-size:17px}
.highlight-box p{margin-bottom:0;color:var(--text-muted);font-size:14px;line-height:1.7}
/* Spec grid for feature pages */
.spec-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;margin:24px 0}
.spec-item{padding:18px;background:var(--dark-card);border:1px solid var(--border);border-radius:var(--r-md)}
.spec-item .spec-label{font-size:11px;font-weight:700;letter-spacing:1.4px;text-transform:uppercase;color:var(--text-muted);margin-bottom:6px}
.spec-item .spec-value{font-size:16px;font-weight:700;color:var(--text)}
/* CTA */
.cta-section{text-align:center;margin:64px 0 0}
.cta-box{background:radial-gradient(ellipse at center,rgba(102,126,234,0.14),rgba(118,75,162,0.08) 60%,transparent);border:1px solid rgba(102,126,234,0.22);border-radius:var(--r-2xl);padding:56px 40px;position:relative;overflow:hidden}
.cta-box h2{font-size:var(--fs-2xl);font-weight:800;margin:0 0 12px;letter-spacing:-1.2px;padding-left:0}
.cta-box h2::before{display:none}
.cta-box p{font-size:var(--fs-md);color:var(--text-muted);margin-bottom:28px;max-width:480px;margin-left:auto;margin-right:auto}
.btn-primary{padding:14px 28px;background:var(--grad);border:none;border-radius:var(--r-md);color:#fff;font-weight:600;font-size:15px;text-decoration:none;display:inline-flex;align-items:center;gap:6px;transition:transform 200ms var(--ease),box-shadow 200ms var(--ease)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--shadow-brand)}
.btn-ghost{padding:13px 22px;background:transparent;border:1px solid var(--border-strong);border-radius:var(--r-md);color:var(--text);font-weight:600;font-size:14px;text-decoration:none;display:inline-flex;align-items:center;gap:6px;transition:background 200ms var(--ease),border-color 200ms var(--ease)}
.btn-ghost:hover{background:rgba(255,255,255,0.04);border-color:rgba(255,255,255,0.22)}
.btn-lg{padding:15px 32px;font-size:15px}
/* Internal Links */
.internal-links{margin:40px 0;padding:24px 28px;background:var(--dark-card);border:1px solid var(--border);border-radius:var(--r-xl)}
.internal-links h3{margin-top:0;margin-bottom:14px;font-size:12px;font-weight:700;letter-spacing:1.4px;text-transform:uppercase;color:var(--text-muted)}
.internal-links-list{display:flex;flex-wrap:wrap;gap:8px}
.internal-links a{display:inline-flex;align-items:center;padding:7px 14px;background:rgba(255,255,255,0.04);border:1px solid var(--border);border-radius:var(--r-pill);color:var(--primary);text-decoration:none;font-size:13px;font-weight:500;transition:background 200ms var(--ease),border-color 200ms var(--ease),color 200ms var(--ease)}
.internal-links a:hover{background:var(--grad-soft);border-color:rgba(102,126,234,0.35);color:var(--text)}
/* Footer */
footer{padding:56px var(--sp-gutter) 28px;border-top:1px solid var(--border);margin-top:40px}
.footer-content{max-width:1200px;margin:0 auto}
.footer-top{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;margin-bottom:40px}
.footer-brand .logo{font-size:24px;margin-bottom:14px;display:inline-block}
.footer-brand p{color:var(--text-muted);font-size:13px;line-height:1.65;max-width:300px}
.footer-links h4{font-size:12px;font-weight:700;margin-bottom:16px;text-transform:uppercase;letter-spacing:1.4px;color:var(--text)}
.footer-links a{display:block;color:var(--text-muted);text-decoration:none;font-size:13px;padding:5px 0;transition:color 200ms var(--ease)}
.footer-links a:hover{color:var(--text)}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:24px;border-top:1px solid var(--border)}
.copyright{color:var(--text-subtle);font-size:12px}
.social-links{display:flex;gap:12px}
.social-links a{color:var(--text-muted);display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:var(--r-sm);border:1px solid var(--border);transition:color 200ms var(--ease),border-color 200ms var(--ease),background 200ms var(--ease)}
.social-links a:hover{color:var(--text);border-color:var(--border-strong);background:rgba(255,255,255,0.04)}
.social-links svg{width:16px;height:16px}
/* Animation */
.stagger > *{opacity:0;transform:translateY(18px);transition:opacity 600ms var(--ease),transform 600ms var(--ease)}
.stagger.in > *{opacity:1;transform:translateY(0)}
.stagger.in > *:nth-child(1){transition-delay:0ms}
.stagger.in > *:nth-child(2){transition-delay:60ms}
.stagger.in > *:nth-child(3){transition-delay:120ms}
.stagger.in > *:nth-child(4){transition-delay:180ms}
.stagger.in > *:nth-child(5){transition-delay:240ms}
.stagger.in > *:nth-child(6){transition-delay:300ms}
.stagger.in > *:nth-child(n+7){transition-delay:360ms}
@media (prefers-reduced-motion:reduce){.stagger > *{opacity:1;transform:none;transition:none}}
/* Comparison table */
.comparison-table{width:100%;border-collapse:separate;border-spacing:0;margin:24px 0;background:var(--dark-card);border:1px solid var(--border);border-radius:var(--r-lg);overflow:hidden;font-size:13px}
.comparison-table thead{background:rgba(102,126,234,0.08)}
.comparison-table th{padding:14px 18px;text-align:left;font-weight:700;font-size:12px;text-transform:uppercase;letter-spacing:1px;color:var(--text);border-bottom:1px solid var(--border-strong)}
.comparison-table td{padding:12px 18px;color:var(--text-muted);border-bottom:1px solid var(--border)}
.comparison-table tbody tr:last-child td{border-bottom:none}
.comparison-table tbody tr:hover{background:rgba(255,255,255,0.02)}
.comparison-table td strong{color:var(--text);font-weight:600}
@media(max-width:768px){.comparison-table{font-size:12px}.comparison-table th,.comparison-table td{padding:10px 12px}}
/* Channel card (covert-channels page) */
.channel-card{background:var(--dark-card);border:1px solid var(--border);border-radius:var(--r-lg);padding:24px 28px;margin:14px 0;transition:border-color 300ms var(--ease),transform 300ms var(--ease),background 300ms var(--ease)}
.channel-card:hover{border-color:var(--border-strong);background:var(--dark-card-hover);transform:translateY(-2px)}
.channel-card h3{margin-top:0;margin-bottom:10px;font-size:16px;font-weight:700;letter-spacing:-0.2px;color:var(--text);display:flex;align-items:center;gap:10px}
.channel-card h3::before{content:attr(data-num);width:28px;height:28px;border-radius:var(--r-sm);background:var(--grad);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;flex-shrink:0}
.channel-card p{margin-bottom:14px;font-size:13px;line-height:1.65}
.channel-card .stealth{display:flex;align-items:center;gap:12px;font-size:11px;font-weight:700;color:var(--text-muted);letter-spacing:0.8px;text-transform:uppercase}
.channel-card .stealth-bar{flex:1;height:4px;background:rgba(255,255,255,0.06);border-radius:2px;overflow:hidden;max-width:260px}
.channel-card .stealth-fill{height:100%;background:var(--grad);border-radius:2px}
/* feature-grid-inline (spec cards) */
.feature-grid-inline{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:12px;margin:24px 0}
.feature-grid-inline .card{background:var(--dark-card);border:1px solid var(--border);border-radius:var(--r-md);padding:18px;transition:border-color 300ms var(--ease),background 300ms var(--ease)}
.feature-grid-inline .card:hover{border-color:var(--border-strong);background:var(--dark-card-hover)}
.feature-grid-inline .card h4{font-size:13px;font-weight:700;margin:0 0 6px;color:var(--text);letter-spacing:-0.1px}
.feature-grid-inline .card p{font-size:12.5px;margin:0;line-height:1.55;color:var(--text-muted)}
/* Responsive */
@media(max-width:1024px){.features-grid{grid-template-columns:repeat(2,1fr)}.footer-top{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){.features-grid{grid-template-columns:1fr}.footer-top{grid-template-columns:1fr;gap:32px}.footer-bottom{flex-direction:column;gap:14px;align-items:flex-start}.cta-box{padding:40px 24px}.page-hero h1{letter-spacing:-1.2px}}