/* PassKrypt marketing site. No framework, no webfonts, no third-party requests.
   Everything here is served from our own origin so the page can run under
   default-src 'none'; script-src 'self'; style-src 'self'. */

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--txt);
  font-family:var(--sans);font-size:16px;line-height:1.6;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img,svg{max-width:100%;display:block}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{line-height:1.2;margin:0 0 .5em;letter-spacing:-.02em}
h1{font-size:clamp(2.1rem,5.2vw,3.6rem);font-weight:700}
h2{font-size:clamp(1.6rem,3.4vw,2.4rem);font-weight:650}
h3{font-size:1.15rem;font-weight:600}
p{margin:0 0 1em}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--gut)}
.center{text-align:center}
.muted{color:var(--muted)}
.small{font-size:.875rem}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}

/* skip link - keyboard users should not have to tab the whole nav */
.skip{position:absolute;left:-9999px;top:0;background:var(--accent);color:#fff;padding:10px 16px;z-index:200;border-radius:0 0 8px 0}
.skip:focus{left:0}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:10px;font-size:.95rem;font-weight:600;
  border:1px solid var(--line2);background:var(--panel2);color:var(--txt);
  cursor:pointer;transition:transform .15s ease,background .15s ease,border-color .15s ease,box-shadow .15s ease;
  text-decoration:none;font-family:inherit;
  /* A button label must never wrap: in a cramped flex row the browser will
     happily break "Start free trial" over three lines and hand you a 99px-tall
     sliver of a button rather than let the row overflow. */
  white-space:nowrap;
}
.btn:hover{text-decoration:none;transform:translateY(-1px);background:#28323f;border-color:#41505f}
.btn.primary{background:var(--grad);border-color:transparent;color:#fff;box-shadow:0 6px 20px rgba(79,140,255,.25)}
.btn.primary:hover{box-shadow:0 10px 28px rgba(79,140,255,.38)}
.btn.ghost{background:transparent;border-color:transparent;color:var(--muted)}
.btn.ghost:hover{background:var(--panel2);color:var(--txt)}
.btn.lg{padding:15px 30px;font-size:1.02rem}
.btn[aria-disabled="true"]{opacity:.45;cursor:not-allowed;pointer-events:none}

/* ---------- header ---------- */
header{position:sticky;top:0;z-index:100;backdrop-filter:blur(14px);
  background:color-mix(in srgb,var(--bg) 82%,transparent);
  border-bottom:1px solid transparent;transition:border-color .2s,background .2s}
header.scrolled{border-bottom-color:var(--line);background:color-mix(in srgb,var(--bg) 94%,transparent)}
.nav{display:flex;align-items:center;gap:10px;height:68px}
.brand{display:flex;align-items:center;gap:11px;font-weight:700;font-size:1.16rem;color:var(--txt)}
.brand:hover{text-decoration:none}
.brand .mark{width:34px;height:34px;border-radius:10px;background:var(--grad);
  display:grid;place-items:center;flex-shrink:0;box-shadow:0 4px 14px rgba(79,140,255,.3)}
.nav .links{display:flex;gap:4px;margin-left:26px}
.nav .links a{color:var(--muted);padding:8px 13px;border-radius:8px;font-size:.93rem;font-weight:500}
.nav .links a:hover{color:var(--txt);background:var(--panel2);text-decoration:none}
.nav .spacer{flex:1}
.nav .actions{display:flex;gap:9px;align-items:center}
.navtoggle{display:none;background:none;border:1px solid var(--line2);border-radius:8px;padding:8px;color:var(--muted);cursor:pointer}

/* ---------- hero ---------- */
.hero{position:relative;padding:76px 0 40px;overflow:hidden}
.hero::before{content:"";position:absolute;inset:-40% 0 auto 0;height:820px;pointer-events:none;
  background:radial-gradient(760px 380px at 50% 0%,rgba(79,140,255,.20),transparent 68%),
             radial-gradient(560px 320px at 78% 8%,rgba(122,92,255,.16),transparent 70%)}
.hero .wrap{position:relative}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:30px;
  border:1px solid var(--line2);background:var(--bg2);color:var(--muted);font-size:.82rem;font-weight:500;margin-bottom:22px}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 0 3px rgba(55,201,139,.18)}
.hero h1{max-width:16ch;margin-inline:auto}
.hero h1 .grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lede{font-size:clamp(1.02rem,1.9vw,1.2rem);color:var(--muted);max-width:60ch;margin:0 auto 30px}
.hero .cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.hero .note{margin-top:16px;font-size:.85rem;color:var(--muted2)}

/* ---------- product shot (pure CSS - no screenshot to go stale) ---------- */
.shot{margin:56px auto 0;max-width:1000px;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line);background:var(--panel);box-shadow:var(--shadow-lg);
  transform:perspective(1600px) rotateX(6deg);transform-origin:top center}
.shot-bar{display:flex;align-items:center;gap:7px;padding:11px 14px;background:var(--bg2);border-bottom:1px solid var(--line)}
.shot-bar i{width:11px;height:11px;border-radius:50%;background:var(--line2);display:block}
.shot-bar .t{margin-left:10px;font-size:.78rem;color:var(--muted2)}
.shot-body{display:grid;grid-template-columns:190px 250px 1fr;min-height:330px;font-size:.8rem}
.shot-col{padding:14px 12px;border-right:1px solid var(--line)}
.shot-col:last-child{border-right:none}
.shot-lbl{font-size:.66rem;text-transform:uppercase;letter-spacing:.09em;color:var(--muted2);margin:12px 0 7px}
.shot-lbl:first-child{margin-top:0}
.shot-row{display:flex;align-items:center;gap:9px;padding:7px 9px;border-radius:7px;color:var(--muted)}
.shot-row.on{background:var(--panel2);color:var(--txt)}
.shot-row .ic{width:15px;height:15px;flex-shrink:0;opacity:.85}
.shot-item{display:flex;gap:10px;padding:9px;border-radius:8px;align-items:center}
.shot-item.on{background:var(--panel2)}
.shot-av{width:29px;height:29px;border-radius:8px;background:var(--grad);display:grid;place-items:center;
  color:#fff;font-weight:600;font-size:.72rem;flex-shrink:0}
.shot-item .nm{font-weight:500;color:var(--txt);font-size:.79rem}
.shot-item .sub{color:var(--muted2);font-size:.71rem}
.shot-field{background:var(--bg2);border:1px solid var(--line);border-radius:8px;padding:9px 11px;margin-bottom:9px}
.shot-field .k{font-size:.63rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted2)}
.shot-field .v{font-family:var(--mono);font-size:.78rem;color:var(--txt);margin-top:3px}
.shot-field .v.dots{letter-spacing:2px}

/* ---------- trust strip ---------- */
.trust{border-block:1px solid var(--line);background:var(--bg2);margin-top:64px}
.trust .wrap{display:flex;flex-wrap:wrap;gap:14px 40px;justify-content:center;padding-block:20px}
.trust span{display:inline-flex;align-items:center;gap:9px;color:var(--muted);font-size:.87rem}
.trust svg{color:var(--green);flex-shrink:0}

/* ---------- sections ---------- */
section{padding:92px 0}
.sec-head{max-width:660px;margin:0 auto 52px;text-align:center}
.sec-head p{color:var(--muted);font-size:1.03rem;margin-bottom:0}
.kicker{color:var(--accent);font-weight:600;font-size:.82rem;letter-spacing:.09em;text-transform:uppercase;margin-bottom:10px}

.grid{display:grid;gap:18px}
.grid.c3{grid-template-columns:repeat(3,1fr)}
.grid.c2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px;
  transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease}
.card:hover{transform:translateY(-3px);border-color:var(--line2);box-shadow:var(--shadow)}
.card .ic{width:40px;height:40px;border-radius:11px;background:var(--panel2);border:1px solid var(--line2);
  display:grid;place-items:center;color:var(--accent);margin-bottom:16px}
.card h3{margin-bottom:7px}
.card p{color:var(--muted);font-size:.93rem;margin-bottom:0}

/* ---------- zero-knowledge explainer ---------- */
.zk{background:var(--bg2);border-block:1px solid var(--line)}
.zk-grid{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.zk-steps{display:flex;flex-direction:column;gap:11px;counter-reset:zk}
.zk-step{display:flex;gap:15px;padding:17px;border-radius:12px;border:1px solid transparent;
  background:transparent;cursor:pointer;text-align:left;font:inherit;color:inherit;width:100%;
  transition:background .18s,border-color .18s}
.zk-step:hover{background:var(--panel)}
.zk-step[aria-expanded="true"]{background:var(--panel);border-color:var(--line2)}
.zk-step .n{width:29px;height:29px;border-radius:9px;background:var(--panel2);border:1px solid var(--line2);
  display:grid;place-items:center;font-size:.8rem;font-weight:700;color:var(--muted);flex-shrink:0;transition:.18s}
.zk-step[aria-expanded="true"] .n{background:var(--grad);border-color:transparent;color:#fff}
.zk-step h3{font-size:1rem;margin-bottom:3px}
.zk-step .d{color:var(--muted);font-size:.9rem;display:none}
.zk-step[aria-expanded="true"] .d{display:block}
.zk-diagram{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px}
.zk-diagram figcaption{color:var(--muted2);font-size:.8rem;margin-top:14px;text-align:center}

/* ---------- download ---------- */
.dl-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);padding:30px;
  display:flex;gap:22px;align-items:center;flex-wrap:wrap}
.dl-card .os{width:52px;height:52px;border-radius:13px;background:var(--panel2);border:1px solid var(--line2);
  display:grid;place-items:center;color:var(--txt);flex-shrink:0}
.dl-card .meta{flex:1;min-width:190px}
.dl-card h3{margin-bottom:3px}
.dl-card .sub{color:var(--muted);font-size:.87rem;margin:0}
.dl-soon{opacity:.62}
.hashbox{margin-top:22px;background:var(--bg2);border:1px solid var(--line);border-radius:12px;padding:17px 19px}
.hashbox .k{font-size:.68rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted2);margin-bottom:5px}
.hashbox code{font-family:var(--mono);font-size:.76rem;color:var(--muted);word-break:break-all;display:block}

/* ---------- pricing ---------- */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;align-items:start}
.plan{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);padding:30px;position:relative}
.plan.featured{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent),0 18px 48px rgba(79,140,255,.15)}
.plan .badge{position:absolute;top:-11px;left:50%;transform:translateX(-50%);background:var(--grad);color:#fff;
  font-size:.7rem;font-weight:700;padding:4px 13px;border-radius:20px;letter-spacing:.05em;text-transform:uppercase}
.plan h3{font-size:1.22rem}
.plan .amt{font-size:2.5rem;font-weight:700;letter-spacing:-.03em;margin:14px 0 2px}
.plan .amt span{font-size:.95rem;font-weight:500;color:var(--muted)}
.plan .desc{color:var(--muted);font-size:.9rem;min-height:44px}
.plan ul{list-style:none;padding:0;margin:20px 0 24px;display:flex;flex-direction:column;gap:10px}
.plan li{display:flex;gap:10px;align-items:flex-start;font-size:.9rem;color:var(--muted)}
.plan li svg{color:var(--green);flex-shrink:0;margin-top:3px}
.plan li.off{opacity:.5}
.plan li.off svg{color:var(--muted2)}
.plan .btn{width:100%}
.vat{text-align:center;color:var(--muted2);font-size:.83rem;margin-top:20px}

/* ---------- faq ---------- */
.faq{max-width:780px;margin:0 auto}
.qa{border-bottom:1px solid var(--line)}
.qa button{width:100%;display:flex;justify-content:space-between;align-items:center;gap:18px;
  background:none;border:none;color:var(--txt);font:inherit;font-weight:600;font-size:1.01rem;
  padding:21px 0;cursor:pointer;text-align:left}
.qa button:hover{color:var(--accent)}
.qa .chev{transition:transform .2s;color:var(--muted);flex-shrink:0}
.qa button[aria-expanded="true"] .chev{transform:rotate(180deg)}
.qa .ans{overflow:hidden;max-height:0;transition:max-height .28s ease}
.qa .ans p{color:var(--muted);font-size:.94rem;padding-bottom:21px;margin:0}

/* ---------- cta band ---------- */
.band{background:var(--bg2);border-block:1px solid var(--line);text-align:center}
.band h2{max-width:20ch;margin-inline:auto}
.band p{color:var(--muted);max-width:52ch;margin:0 auto 28px}

/* ---------- footer ---------- */
footer{border-top:1px solid var(--line);padding:52px 0 34px;font-size:.9rem}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:36px;margin-bottom:38px}
.foot-grid h4{font-size:.79rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted2);margin-bottom:13px}
.foot-grid ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:9px}
.foot-grid a{color:var(--muted)}
.foot-grid a:hover{color:var(--txt)}
.foot-bot{border-top:1px solid var(--line);padding-top:22px;display:flex;justify-content:space-between;
  gap:14px;flex-wrap:wrap;color:var(--muted2);font-size:.85rem}

/* ---------- legal / content pages ---------- */
.doc{max-width:780px;margin:0 auto;padding:52px 0 84px}
.doc h1{font-size:clamp(1.9rem,4vw,2.5rem);margin-bottom:8px}
.doc .updated{color:var(--muted2);font-size:.86rem;margin-bottom:40px}
.doc h2{font-size:1.35rem;margin-top:42px;padding-top:22px;border-top:1px solid var(--line)}
.doc h3{margin-top:26px}
.doc p,.doc li{color:var(--muted);font-size:.96rem}
.doc ul,.doc ol{padding-left:22px}
.doc li{margin-bottom:8px}
.doc strong{color:var(--txt)}
.doc code{font-family:var(--mono);font-size:.87em;background:var(--bg2);border:1px solid var(--line);
  border-radius:5px;padding:1px 6px;color:var(--txt)}
.callout{background:var(--bg2);border:1px solid var(--line);border-left:3px solid var(--accent);
  border-radius:10px;padding:18px 20px;margin:26px 0}
.callout p:last-child{margin-bottom:0}
.callout.warn{border-left-color:var(--yellow)}

/* ---------- scroll reveal ----------
   Gated on .js, which site.js sets on <html> before the body renders. If the
   script fails to load or is blocked, the selector never matches and every
   section is simply visible - content must never depend on JS to be readable. */
.js .rv{opacity:0;transform:translateY(18px);transition:opacity .55s ease,transform .55s ease}
.js .rv.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:960px){
  .grid.c3{grid-template-columns:repeat(2,1fr)}
  .zk-grid{grid-template-columns:1fr;gap:34px}
  .price-grid{grid-template-columns:1fr;max-width:440px;margin-inline:auto}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
  .shot-body{grid-template-columns:150px 1fr}
  .shot-col:nth-child(3){display:none}
}
/* The inline nav links and both call-to-action buttons stop fitting side by
   side well before the phone breakpoint, so collapse the links into the
   hamburger here rather than letting the header squash. */
@media (max-width:900px){
  .nav .links{display:none}
  .nav .links.open{display:flex;position:absolute;top:68px;left:0;right:0;flex-direction:column;
    background:var(--panel);border-block:1px solid var(--line);padding:12px;margin:0;gap:2px}
  .navtoggle{display:inline-flex}
}
@media (max-width:680px){
  section{padding:64px 0}
  .nav .links{display:none}
  .nav .links.open{display:flex;position:absolute;top:68px;left:0;right:0;flex-direction:column;
    background:var(--panel);border-block:1px solid var(--line);padding:12px;margin:0;gap:2px}
  .navtoggle{display:inline-flex}
  .nav .actions .hide-sm{display:none}
  .grid.c3,.grid.c2{grid-template-columns:1fr}
  .shot{transform:none}
  .shot-body{grid-template-columns:1fr}
  .shot-col:nth-child(2){display:none}
  .foot-grid{grid-template-columns:1fr}
}

/* Respect the OS setting - no parallax or reveal for people who ask for less */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important}
  .rv{opacity:1;transform:none}
  .shot{transform:none}
}