/* === SHARED: CSS Custom Properties === */
:root{
  --ink:#0a0a0a;
  --paper:#ffffff;
  --mute:#7a7a7a;
  --mute-2:#b8b8b8;
  --line:#e5e5e5;
  --line-soft:#f0f0f0;
  --accent:#1e40af;
  --accent-soft:#60a5fa;
  --display:'Space Grotesk',sans-serif;
  --body:'Inter',sans-serif;
  --mono:'JetBrains Mono',monospace;
}

/* === SHARED: Reset === */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;overflow-x:hidden;width:100%;}
body{background:var(--paper);color:var(--ink);font-family:var(--body);-webkit-font-smoothing:antialiased;overflow-x:hidden;}
@media(prefers-reduced-motion:reduce){*{animation-duration:0.001ms!important;animation-iteration-count:1!important;transition-duration:0.001ms!important;scroll-behavior:auto!important;}}
a{color:inherit;text-decoration:none;}
:focus-visible{outline:2px solid var(--ink);outline-offset:3px;}

/* === SHARED: Layout utilities === */
.wrap{max-width:1180px;margin:0 auto;padding:0 32px;}
.wrap-narrow{max-width:800px;margin:0 auto;padding:0 32px;}

/* === SHARED: Nav === */
nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(255,255,255,0.88);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid transparent;transition:border-color .3s;}
nav.scrolled{border-bottom:1px solid var(--line);}
.nav-inner{max-width:1180px;margin:0 auto;padding:18px 32px;display:flex;align-items:center;justify-content:space-between;}
.nav-brand{display:flex;align-items:center;gap:10px;font-family:var(--display);font-weight:600;font-size:18px;letter-spacing:.02em;}
.nav-dot{width:18px;height:18px;border-radius:50%;border:1.6px solid var(--ink);flex-shrink:0;}
.nav-links{display:flex;align-items:center;gap:36px;}
.nav-links a{font-size:14px;color:var(--mute);transition:color .2s;}
.nav-links a:hover{color:var(--accent);}
.nav-links a.active{color:var(--ink);}
.nav-cta{font-size:14px;font-weight:500;padding:10px 20px;background:var(--ink);color:var(--paper);border-radius:100px;transition:transform .2s,opacity .2s;}
.nav-cta:hover{transform:translateY(-1px);opacity:.85;}
.nav-toggle{display:none;}

/* === SHARED: Page header (sub-pages) === */
.page-header{padding:140px 32px 60px;border-bottom:1px solid var(--line);}
.page-header h1{font-family:var(--display);font-weight:600;font-size:clamp(32px,4vw,48px);letter-spacing:-.02em;line-height:1.08;}
.page-header .meta{font-family:var(--mono);font-size:12px;color:var(--mute);margin-top:12px;letter-spacing:.02em;}

/* === SHARED: Sub-page content prose === */
.content{padding:60px 32px 100px;}
.content h2{font-family:var(--display);font-weight:600;font-size:22px;letter-spacing:-.01em;margin:48px 0 16px;padding-top:8px;}
.content h2:first-child{margin-top:0;}
.content h3{font-family:var(--display);font-weight:600;font-size:17px;margin:32px 0 12px;}
.content p{font-size:15px;line-height:1.7;color:var(--mute);margin-bottom:16px;}
.content p strong{color:var(--ink);font-weight:500;}
.content ul{padding:0;margin:0 0 20px;list-style:none;}
.content ul li{font-size:15px;line-height:1.7;color:var(--mute);padding-left:20px;position:relative;margin-bottom:8px;}
.content ul li::before{content:'—';position:absolute;left:0;color:var(--mute-2);}
.content .last-updated{font-family:var(--mono);font-size:12px;color:var(--mute-2);margin-top:-8px;margin-bottom:40px;}

.page-content{padding:64px 32px;font-size:15px;line-height:1.75;color:var(--ink);}
.page-content h2{font-family:var(--display);font-weight:600;font-size:24px;margin-top:48px;margin-bottom:16px;letter-spacing:-.01em;}
.page-content h3{font-family:var(--display);font-weight:600;font-size:18px;margin-top:32px;margin-bottom:12px;letter-spacing:-.005em;}
.page-content p{margin-bottom:18px;}
.page-content ul,.page-content ol{margin-bottom:20px;padding-left:20px;}
.page-content li{margin-bottom:8px;}

/* === LANDING: Hero === */
.hero{padding:168px 32px 100px;display:flex;align-items:center;justify-content:space-between;gap:60px;max-width:1180px;margin:0 auto;}
.hero-copy{flex:1;max-width:520px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:12px;letter-spacing:.08em;color:var(--mute);text-transform:uppercase;border:1px solid var(--line);border-radius:100px;padding:6px 14px 6px 10px;margin-bottom:28px;}
.eyebrow .pulse-dot{width:7px;height:7px;border-radius:50%;background:var(--ink);animation:pulse 2.4s ease-in-out infinite;}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.35;transform:scale(.8);}}
.hero h1{font-family:var(--display);font-weight:600;font-size:clamp(40px,5.4vw,64px);line-height:1.04;letter-spacing:-.02em;margin-bottom:24px;}
.hero h1 em{font-style:normal;position:relative;display:inline-block;color:var(--paper);padding:0 .12em;z-index:1;}
.hero h1 em::before{content:'';position:absolute;inset:.02em -.02em;background:var(--ink);z-index:-1;border-radius:4px;}
.hero p{font-size:17px;line-height:1.65;color:var(--mute);margin-bottom:36px;max-width:440px;}
.hero-actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap;}
.btn-primary{font-size:15px;font-weight:500;background:var(--ink);color:var(--paper);padding:15px 28px;border-radius:100px;display:inline-flex;align-items:center;gap:10px;transition:transform .25s cubic-bezier(.2,.8,.2,1),box-shadow .25s;}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 24px -8px rgba(10,10,10,.4);}
.btn-primary svg{width:16px;height:16px;}
.btn-secondary{font-size:15px;font-weight:500;color:var(--ink);display:inline-flex;align-items:center;gap:8px;border-bottom:1px solid var(--ink);padding-bottom:2px;}
.hero-stats{display:flex;gap:36px;margin-top:52px;}
.stat-num{font-family:var(--display);font-weight:600;font-size:26px;letter-spacing:-.01em;}
.stat-label{font-size:12px;color:var(--mute);margin-top:4px;}

/* === LANDING: Phone mock === */
.hero-visual{flex-shrink:0;position:relative;width:300px;height:610px;}
.phone{position:absolute;inset:0;border-radius:46px;background:var(--paper);border:8px solid var(--ink);box-shadow:0 30px 70px -20px rgba(10,10,10,.35);overflow:hidden;}
.phone-notch{position:absolute;top:0;left:50%;transform:translateX(-50%);width:120px;height:26px;background:var(--ink);border-radius:0 0 16px 16px;z-index:5;}
.phone-screen{width:100%;height:100%;position:relative;}
.phone-screen img{width:100%;height:100%;object-fit:cover;object-position:top;position:absolute;inset:0;opacity:0;transition:opacity .7s ease;}
.phone-screen img.active{opacity:1;}
.orbit-ring{position:absolute;border:1.4px solid var(--line);border-radius:50%;}
.orbit-ring.r1{width:420px;height:420px;top:-50px;left:-90px;animation:spin 50s linear infinite;}
.orbit-ring.r2{width:520px;height:520px;top:-100px;left:-150px;animation:spin 70s linear infinite reverse;}
@keyframes spin{from{transform:rotate(0deg);}to{transform:rotate(360deg);}}
.float-dot{position:absolute;border-radius:50%;border:1.6px solid var(--ink);background:var(--paper);}
.float-dot.d1{width:14px;height:14px;top:14%;left:-6%;animation:float 5s ease-in-out infinite;}
.float-dot.d2{width:9px;height:9px;bottom:22%;right:-4%;background:var(--ink);animation:float 4.2s ease-in-out infinite .6s;}
.float-dot.d3{width:20px;height:20px;bottom:6%;left:6%;animation:float 6s ease-in-out infinite 1.1s;}
@keyframes float{0%,100%{transform:translateY(0);}50%{transform:translateY(-14px);}}

/* === LANDING: Trust strip === */
.trust-strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:28px 0;}
.trust-inner{max-width:1180px;margin:0 auto;padding:0 32px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:18px;}
.trust-item{font-size:13px;color:var(--mute);font-family:var(--mono);letter-spacing:.02em;}
.trust-item strong{color:var(--ink);font-weight:500;}

/* === LANDING: Section headers === */
.section{padding:120px 0;}
.section-head{max-width:640px;margin-bottom:72px;}
.section-tag{font-family:var(--mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--mute);margin-bottom:16px;display:flex;align-items:center;gap:10px;}
.section-tag::before{content:'';width:24px;height:1px;background:var(--ink);}
.section-head h2{font-family:var(--display);font-weight:600;font-size:clamp(30px,3.6vw,42px);line-height:1.12;letter-spacing:-.015em;}
.section-head p{font-size:16px;color:var(--mute);margin-top:18px;line-height:1.6;}

/* === LANDING: Security categories === */
.sec-cats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);}
.sec-cat{background:var(--paper);padding:36px 28px;cursor:pointer;transition:background .25s;}
.sec-cat:hover,.sec-cat.active{background:#fafafa;}
.sec-cat.active{background:var(--ink);}
.sec-cat-icon{width:40px;height:40px;border-radius:50%;border:1.5px solid var(--ink);display:flex;align-items:center;justify-content:center;margin-bottom:20px;transition:border-color .25s,background .25s;}
.sec-cat.active .sec-cat-icon{border-color:var(--paper);background:var(--paper);}
.sec-cat-icon svg{width:18px;height:18px;stroke:var(--ink);transition:stroke .25s;}
.sec-cat.active .sec-cat-icon svg{stroke:var(--ink);}
.sec-cat h3{font-family:var(--display);font-weight:600;font-size:15px;margin-bottom:6px;transition:color .25s;}
.sec-cat.active h3{color:var(--paper);}
.sec-cat .cat-count{font-family:var(--mono);font-size:11px;color:var(--mute);transition:color .25s;}
.sec-cat.active .cat-count{color:rgba(255,255,255,.5);}

/* === LANDING: Security detail panel === */
.sec-panel{border:1px solid var(--line);border-top:none;background:var(--paper);}
.sec-panel-inner{display:none;padding:56px 48px;}
.sec-panel-inner.visible{display:grid;grid-template-columns:1fr 1fr;gap:48px;}
.sec-panel-head h3{font-family:var(--display);font-weight:600;font-size:26px;letter-spacing:-.01em;margin-bottom:10px;}
.sec-panel-head p{font-size:15px;color:var(--mute);line-height:1.6;max-width:420px;}
.sec-features-list{display:flex;flex-direction:column;gap:0;}
.sec-feature-item{display:flex;align-items:flex-start;gap:14px;padding:14px 0;border-bottom:1px solid var(--line-soft);}
.sec-feature-item:last-child{border-bottom:none;}
.sec-feature-dot{width:6px;height:6px;border-radius:50%;background:var(--ink);flex-shrink:0;margin-top:7px;}
.sec-feature-item strong{display:block;font-size:14px;font-weight:500;margin-bottom:3px;}
.sec-feature-item span{font-size:13px;color:var(--mute);line-height:1.5;}

/* === LANDING: Security layers visual === */
.layers-section{background:#fafafa;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:100px 0;}
.layers-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center;}
.layers-stack{display:flex;flex-direction:column;gap:0;}
.layer{display:flex;align-items:center;gap:20px;padding:20px 24px;border:1px solid var(--line);background:var(--paper);margin-bottom:-1px;position:relative;transition:z-index .1s;}
.layer:hover{z-index:2;border-color:var(--ink);}
.layer-num{font-family:var(--mono);font-size:11px;color:var(--mute-2);width:28px;flex-shrink:0;}
.layer-bar{width:4px;height:40px;background:var(--ink);flex-shrink:0;opacity:.08;}
.layer:hover .layer-bar{opacity:1;}
.layer-info{flex:1;}
.layer-info strong{font-size:14px;font-weight:500;display:block;margin-bottom:3px;}
.layer-info span{font-size:12.5px;color:var(--mute);}
.layer-badge{font-family:var(--mono);font-size:10px;color:var(--mute-2);border:1px solid var(--line);border-radius:100px;padding:3px 10px;flex-shrink:0;}
.layer:hover .layer-badge{color:var(--ink);border-color:var(--ink);}

/* === LANDING: Content visibility (performance) === */
.showcase,.quote-section,.cta-section{content-visibility:auto;contain-intrinsic-size:1px 500px;}

/* === LANDING: Showcase === */
.showcase{background:#fafafa;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.showcase-rail{display:flex;gap:28px;overflow-x:auto;padding:8px 32px 28px;scroll-snap-type:x proximity;-webkit-overflow-scrolling:touch;}
.showcase-rail::-webkit-scrollbar{height:5px;}
.showcase-rail::-webkit-scrollbar-thumb{background:var(--line);border-radius:10px;}
.show-card{flex:0 0 auto;scroll-snap-align:start;width:208px;}
.show-frame{width:208px;height:424px;border-radius:28px;border:6px solid var(--ink);overflow:hidden;background:var(--paper);box-shadow:0 18px 36px -16px rgba(10,10,10,.25);}
.show-frame img{width:100%;height:100%;object-fit:cover;object-position:top;}
.show-label{margin-top:16px;}
.show-label .num{font-family:var(--mono);font-size:11px;color:var(--mute-2);letter-spacing:.05em;}
.show-label h4{font-family:var(--display);font-weight:600;font-size:15px;margin-top:4px;}

/* === LANDING: Privacy numbers === */
.privacy-numbers{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);}
.priv-num{padding:44px 32px;border-right:1px solid var(--line);}
.priv-num:last-child{border-right:none;}
.priv-big{font-family:var(--display);font-weight:600;font-size:42px;letter-spacing:-.02em;line-height:1;}
.priv-label{font-size:13px;color:var(--mute);margin-top:8px;line-height:1.5;}

/* === LANDING: Quote === */
.quote-section{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:110px 0;text-align:center;}
.quote-mark{font-family:var(--display);font-size:64px;line-height:1;color:var(--line);margin-bottom:8px;}
blockquote{font-family:var(--display);font-weight:500;font-size:clamp(22px,3vw,32px);line-height:1.35;max-width:780px;margin:0 auto 32px;letter-spacing:-.01em;}
.quote-author{display:flex;align-items:center;justify-content:center;gap:12px;}
.quote-avatar{width:36px;height:36px;border-radius:50%;border:1.4px solid var(--ink);display:flex;align-items:center;justify-content:center;font-family:var(--display);font-weight:600;font-size:14px;}
.quote-author-name{font-size:14px;font-weight:500;}
.quote-author-role{font-size:13px;color:var(--mute);}

/* === LANDING: CTA === */
.cta-section{padding:140px 32px;text-align:center;position:relative;overflow:hidden;}
.cta-rings{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:900px;height:900px;pointer-events:none;}
.cta-rings span{position:absolute;inset:0;border:1px solid var(--line-soft);border-radius:50%;}
.cta-rings span:nth-child(2){inset:90px;}
.cta-rings span:nth-child(3){inset:180px;}
.cta-rings span:nth-child(4){inset:270px;}
.cta-content{position:relative;z-index:2;}
.cta-ring-big{width:64px;height:64px;border:2px solid var(--ink);border-radius:50%;margin:0 auto 32px;}
.cta-content h2{font-family:var(--display);font-weight:600;font-size:clamp(32px,5vw,52px);letter-spacing:-.02em;line-height:1.08;margin-bottom:20px;}
.cta-content p{font-size:16px;color:var(--mute);margin-bottom:40px;}
.cta-buttons{display:flex;align-items:center;justify-content:center;gap:16px;flex-wrap:wrap;}
.btn-store{display:inline-flex;align-items:center;gap:10px;border:1.4px solid var(--ink);border-radius:100px;padding:13px 26px;font-size:14px;font-weight:500;transition:background .25s,color .25s;}
.btn-store:hover{background:var(--ink);color:var(--paper);}
.btn-store svg{width:18px;height:18px;}

/* === SHARED: Footer === */
footer{border-top:1px solid var(--line);padding:64px 32px 36px;}
.footer-top{max-width:1180px;margin:0 auto;display:flex;justify-content:space-between;gap:60px;flex-wrap:wrap;margin-bottom:56px;}
.footer-brand{max-width:280px;}
.footer-brand .nav-brand{margin-bottom:14px;}
.footer-brand p{font-size:13.5px;color:var(--mute);line-height:1.6;}
.footer-cols{display:flex;gap:64px;flex-wrap:wrap;}
.footer-col h5{font-size:12px;font-family:var(--mono);text-transform:uppercase;letter-spacing:.08em;color:var(--mute-2);margin-bottom:18px;}
.footer-col a{display:block;font-size:14px;color:var(--mute);margin-bottom:12px;transition:color .2s;}
.footer-col a:hover{color:var(--ink);}
.footer-bottom{max-width:1180px;margin:0 auto;padding-top:28px;border-top:1px solid var(--line-soft);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:14px;}
.footer-bottom span{font-size:12.5px;color:var(--mute-2);}
.footer-legal-links{display:grid;grid-template-columns:repeat(3,1fr);gap:4px 24px;}
.footer-legal-links a{margin-bottom:0;}

/* === SHARED: Reveal animation === */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.8,.2,1);}
.reveal.in{opacity:1;transform:translateY(0);}

/* === RESPONSIVE === */
@media(max-width:1040px){
  .sec-cats{grid-template-columns:repeat(4,1fr);}
  .layers-grid{grid-template-columns:1fr;gap:48px;}
  .privacy-numbers{grid-template-columns:repeat(2,1fr);}
  .priv-num:nth-child(2){border-right:none;}
  .priv-num:nth-child(1),.priv-num:nth-child(2){border-bottom:1px solid var(--line);}
}
@media(max-width:900px){
  .hero{flex-direction:column;padding-top:140px;gap:64px;}
  .hero-copy{max-width:100%;}
  .hero-visual{order:-1;margin:0 auto;}
  .sec-cats{grid-template-columns:repeat(2,1fr);}
  .sec-panel-inner.visible{grid-template-columns:1fr;}
}
@media(max-width:720px){
  .nav-links{position:fixed;top:64px;left:0;right:0;height:calc(100vh - 64px);background:var(--paper);flex-direction:column;align-items:flex-start;padding:32px;gap:24px;transform:translateX(100%);transition:transform .35s ease;z-index:99;overflow-y:auto;}
  .nav-links.open{transform:translateX(0);}
  .nav-links a{font-size:18px;color:var(--ink);}
  .nav-links a.nav-cta{color:var(--paper);font-size:15px;}
  .nav-toggle{display:flex;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px;}
  .nav-toggle span{width:22px;height:1.6px;background:var(--ink);display:block;transition:transform .25s,opacity .25s;}
  .nav-toggle.open span:nth-child(1){transform:translateY(6.6px) rotate(45deg);}
  .nav-toggle.open span:nth-child(2){opacity:0;}
  .nav-toggle.open span:nth-child(3){transform:translateY(-6.6px) rotate(-45deg);}
  .hero{padding:128px 24px 70px;}
  .hero-stats{gap:24px;flex-wrap:wrap;}
  .hero-visual{width:240px;height:488px;}
  .sec-cats{grid-template-columns:1fr 1fr;}
  .sec-panel-inner{padding:32px 24px;}
  .sec-panel-inner.visible{grid-template-columns:1fr;gap:32px;}
  .layers-section{padding:70px 0;}
  .privacy-numbers{grid-template-columns:1fr 1fr;}
  .priv-num{padding:32px 20px;}
  .section{padding:80px 0;}
  .wrap,.wrap-narrow,.nav-inner,.trust-inner{padding-left:24px;padding-right:24px;}
  .cta-section{padding:100px 24px;}
  .footer-top{gap:40px;}
  .trust-inner{gap:14px;}
}
@media(max-width:480px){
  .sec-cats{grid-template-columns:1fr;}
  .privacy-numbers{grid-template-columns:1fr;}
  .priv-num:nth-child(2){border-right:none;border-bottom:1px solid var(--line);}
  .priv-num:nth-child(3){border-bottom:1px solid var(--line);}
}