@import url('https://fonts.googleapis.com/css2?family=Big+Shoulders+Display:wght@500;600;700;800&family=Instrument+Sans:ital,wght@0,400;0,500;0,600;1,400&family=Geist+Mono:wght@400;500&display=swap');
:root{
  --ink:#15140F; --signal:#FFD400; --paper:#F4F0E6; --stone:#B7AF9C;
  --card:#201E16; --hair:#2A281F; --paper-card:#FBF9F2; --paper-hair:#E2DBC9;
  --disp:"Big Shoulders Display",Impact,sans-serif;
  --body:"Instrument Sans",system-ui,sans-serif;
  --mono:"Geist Mono",ui-monospace,"JetBrains Mono",monospace;
  --maxw:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--ink);color:var(--paper);font-family:var(--body);
  font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;}
a{color:inherit;text-decoration:none}
img,svg{display:block}
.wm{height:1.6em;width:auto;color:currentColor}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.eyebrow{font-family:var(--mono);font-size:.72rem;letter-spacing:.22em;text-transform:uppercase;color:var(--stone)}
h1,h2,h3{font-family:var(--disp);font-weight:700;line-height:.96;letter-spacing:-.01em;margin:0}
.btn{display:inline-flex;align-items:center;gap:.5em;font-family:var(--body);font-weight:600;
  font-size:1rem;padding:.85em 1.4em;border-radius:12px;border:2px solid transparent;cursor:pointer;
  transition:transform .15s ease, background .15s ease, border-color .15s ease}
.btn:focus-visible{outline:3px solid var(--signal);outline-offset:3px}
.btn-primary{background:var(--signal);color:var(--ink)}
.btn-primary:hover{transform:translateY(-2px);background:#FFDD2E}
.btn-ghost{background:transparent;color:var(--paper);border-color:#3A382C}
.btn-ghost:hover{border-color:var(--signal);transform:translateY(-2px)}
.btn-ink{background:var(--ink);color:var(--paper)}
.btn-ink:hover{transform:translateY(-2px)}
.dot{width:.62em;height:.62em;border-radius:50%;background:var(--signal);flex:0 0 auto}
.ring{width:.62em;height:.62em;border-radius:50%;border:2px solid var(--stone);flex:0 0 auto}

/* header */
header{position:sticky;top:0;z-index:50;background:rgba(21,20,15,.82);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--hair)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{color:var(--paper)}
.brand .wm{height:26px}
.links{display:flex;align-items:center;gap:30px}
.links a{font-size:.95rem;color:var(--stone);transition:color .15s}
.links a:hover{color:var(--paper)}
.nav-cta{display:flex;align-items:center;gap:14px}
.nav-toggle{display:none;background:none;border:1px solid var(--hair);color:var(--paper);
  border-radius:9px;padding:8px 10px;font-family:var(--mono);font-size:.8rem;cursor:pointer}

/* hero */
.hero{padding:clamp(3.5rem,7vw,6rem) 0 clamp(3rem,6vw,5rem)}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.hero h1{font-size:clamp(3rem,7.5vw,6rem);margin:.5rem 0 0}
.hero h1 .y{color:var(--signal)}
.lead{font-size:clamp(1.15rem,2vw,1.4rem);color:var(--stone);margin:1.4rem 0 0;max-width:30ch}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:2.2rem}
.hero-note{font-family:var(--mono);font-size:.78rem;color:var(--stone);margin-top:1.6rem}

/* filter panel (signature) */
.panel{background:var(--card);border:1px solid var(--hair);border-radius:20px;padding:26px;
  box-shadow:0 30px 60px -30px rgba(0,0,0,.6)}
.panel h4{font-family:var(--mono);font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;
  color:var(--stone);margin:0 0 14px;font-weight:500}
.flow{display:flex;flex-direction:column;gap:12px}
.row{display:flex;align-items:center;gap:12px;font-size:.98rem}
.row.block span{color:var(--stone);text-decoration:line-through;text-decoration-color:#4a4838}
.divider{height:1px;background:var(--hair);margin:16px 0}
.panel .pass-label{color:var(--signal)}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.45}}
.row.pass .dot{animation:pulse 2.4s ease-in-out infinite}

/* trust */
.trust{border-top:1px solid var(--hair);border-bottom:1px solid var(--hair);padding:26px 0}
.trust .wrap{display:flex;gap:14px 38px;flex-wrap:wrap;align-items:center;justify-content:center}
.trust span{font-family:var(--mono);font-size:.82rem;color:var(--stone);letter-spacing:.04em}
.trust b{color:var(--paper);font-weight:500}

/* sections */
section{scroll-margin-top:80px}
.sec{padding:clamp(4rem,8vw,7rem) 0}
.sec.light{background:var(--paper);color:var(--ink)}
.sec.light .eyebrow{color:#8C8470}
.sec-head{max-width:46ch}
.sec-head h2{font-size:clamp(2.1rem,4.4vw,3.4rem);margin:.6rem 0 0}
.sec-head p{font-size:1.15rem;color:var(--stone);margin:1rem 0 0}
.sec.light .sec-head p{color:#6E6757}

/* features */
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin-top:46px}
.card{background:var(--paper-card);border:1px solid var(--paper-hair);border-radius:18px;padding:30px;
  transition:transform .2s ease, box-shadow .2s ease}
.card:hover{transform:translateY(-4px);box-shadow:0 24px 40px -28px rgba(0,0,0,.25)}
.card .ic{width:42px;height:42px;border-radius:11px;background:var(--ink);display:flex;align-items:center;
  justify-content:center;margin-bottom:18px}
.card .ic i{width:10px;height:10px;border-radius:50%;background:var(--signal);display:block}
.card h3{font-family:var(--body);font-weight:600;font-size:1.25rem;letter-spacing:0;line-height:1.25;color:var(--ink)}
.card p{margin:.6rem 0 0;color:#5F5848;font-size:1rem}

/* steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:46px}
.step{border-top:2px solid var(--hair);padding-top:20px}
.step .n{font-family:var(--mono);font-size:.8rem;color:var(--signal);letter-spacing:.1em}
.step h3{font-family:var(--body);font-weight:600;font-size:1.2rem;margin:.5rem 0 .4rem;color:var(--paper)}
.step p{color:var(--stone);font-size:1rem;margin:0}

/* cta band */
.band{background:var(--signal);color:var(--ink)}
.band .wrap{padding:clamp(3rem,6vw,5rem) 24px;display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap}
.band h2{font-size:clamp(2.2rem,5vw,3.6rem);max-width:18ch}
.band p{margin:.6rem 0 0;font-weight:500;max-width:40ch}

/* faq */
.faq{margin-top:40px;border-top:1px solid var(--paper-hair)}
.faq details{border-bottom:1px solid var(--paper-hair)}
.faq summary{cursor:pointer;list-style:none;padding:22px 0;font-weight:600;font-size:1.1rem;color:var(--ink);
  display:flex;justify-content:space-between;align-items:center;gap:20px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--mono);color:#8C8470;font-size:1.4rem}
.faq details[open] summary::after{content:"–"}
.faq p{margin:0 0 22px;color:#5F5848;max-width:62ch}

/* footer */
footer{background:var(--ink);border-top:1px solid var(--hair);padding:60px 0 40px}
.foot{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.foot .wm{height:28px;color:var(--paper)}
.foot p{color:var(--stone);font-size:.95rem;max-width:30ch;margin:18px 0 0}
.foot h5{font-family:var(--mono);font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--stone);margin:0 0 14px;font-weight:500}
.foot ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.foot ul a{color:var(--paper);opacity:.8;font-size:.95rem}
.foot ul a:hover{opacity:1;color:var(--signal)}
.foot-base{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:46px;padding-top:24px;border-top:1px solid var(--hair);color:var(--stone);font-size:.85rem;font-family:var(--mono)}

.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease, transform .6s ease}
.reveal.in{opacity:1;transform:none}

.skip{position:absolute;left:-999px;top:0;background:var(--signal);color:var(--ink);padding:10px 16px;border-radius:8px;z-index:100}
.skip:focus{left:16px;top:12px}

/* ---- sub-pages (About, Contact, Install, Status, For mosdos, Get started) ---- */
.page{padding-bottom:clamp(3rem,7vw,6rem)}
.subhero{padding:clamp(3rem,6vw,5rem) 0 clamp(1.25rem,3vw,2rem)}
.subhero h1{font-size:clamp(2.4rem,5.5vw,4.2rem);margin:.5rem 0 0}
.subhero p{color:var(--stone);font-size:1.18rem;margin:1.1rem 0 0;max-width:54ch}

.prose{max-width:64ch}
.prose h2{font-family:var(--disp);font-size:clamp(1.7rem,3.2vw,2.3rem);margin:2.4rem 0 .5rem}
.prose h3{font-family:var(--body);font-weight:600;font-size:1.2rem;margin:1.6rem 0 .3rem;color:var(--paper)}
.prose p{color:var(--stone);margin:.7rem 0 0}
.prose ul{color:var(--stone);margin:.8rem 0 0;padding-left:1.2em}
.prose li{margin:.45rem 0}
.prose a{color:var(--signal)}
.prose strong{color:var(--paper);font-weight:600}

/* form */
.form{max-width:580px;margin-top:30px;display:flex;flex-direction:column;gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field label{font-family:var(--mono);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--stone)}
.field input,.field select,.field textarea{font-family:var(--body);font-size:1rem;color:var(--paper);
  background:var(--card);border:1px solid var(--hair);border-radius:12px;padding:.85em 1em;width:100%}
.field textarea{min-height:130px;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:#6b6555}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--signal)}
.field select{appearance:none;-webkit-appearance:none}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:4px}
.form-msg{font-family:var(--mono);font-size:.85rem;color:var(--stone);min-height:1.2em}
@media(max-width:560px){.form-row{grid-template-columns:1fr}}

/* status */
.banner-ok{background:rgba(255,212,0,.07);border:1px solid var(--hair);border-left:3px solid var(--signal);
  border-radius:12px;padding:18px 20px;max-width:640px;margin-top:6px;display:flex;align-items:center;gap:12px}
.banner-ok b{color:var(--paper)}
.status-card{background:var(--card);border:1px solid var(--hair);border-radius:16px;padding:8px 24px;margin-top:24px;max-width:640px}
.status-item{display:flex;align-items:center;justify-content:space-between;padding:16px 0;border-top:1px solid var(--hair)}
.status-item:first-child{border-top:none}
.status-item span{color:var(--paper)}
.status-ok{font-family:var(--mono);font-size:.8rem;color:var(--signal);display:inline-flex;align-items:center;gap:8px}

.contact-meta{display:flex;flex-wrap:wrap;gap:14px 34px;margin-top:22px;font-family:var(--mono);font-size:.92rem;color:var(--stone)}
.contact-meta a{color:var(--signal)}

/* device tabs */
.tabs-nav{display:flex;gap:8px;flex-wrap:wrap;margin-top:40px}
.tab-btn{font-family:var(--mono);font-size:.8rem;letter-spacing:.03em;padding:.7em 1.1em;border-radius:10px;
  background:var(--card);color:var(--stone);border:1px solid var(--hair);cursor:pointer;transition:all .15s}
.tab-btn:hover{color:var(--paper)}
.tab-btn[aria-selected="true"]{background:var(--signal);color:var(--ink);border-color:var(--signal)}
.tab-panel{display:none;margin-top:28px}
.tab-panel[data-active="true"]{display:block;animation:fade .4s ease}
@keyframes fade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.tab-panel h3{font-family:var(--body);font-weight:600;font-size:1.5rem;color:var(--paper)}
.tab-panel .plat-tag{font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--signal)}
.tab-panel p{color:var(--stone);margin:.7rem 0 0;max-width:60ch;font-size:1.08rem}
.tab-panel ul{color:var(--stone);margin:1.1rem 0 0;padding:0;list-style:none;display:grid;gap:.7rem;max-width:60ch}
.tab-panel li{display:flex;gap:.7rem;align-items:flex-start}
.tab-panel li::before{content:"";width:.55em;height:.55em;border-radius:50%;background:var(--signal);margin-top:.5em;flex:0 0 auto}

/* filter demo (inside the hero panel) */
.demo{margin-top:18px;border-top:1px solid var(--hair);padding-top:16px}
.demo h4{margin-bottom:10px}
.demo input{width:100%;font-family:var(--body);font-size:.98rem;color:var(--paper);background:var(--ink);
  border:1px solid var(--hair);border-radius:11px;padding:.8em 1em}
.demo input::placeholder{color:#6b6555}
.demo input:focus{outline:none;border-color:var(--signal)}
.demo-chips{display:flex;flex-wrap:wrap;gap:7px;margin-top:12px}
.chip{font-family:var(--mono);font-size:.74rem;color:var(--stone);background:var(--ink);border:1px solid var(--hair);
  border-radius:999px;padding:.42em .85em;cursor:pointer;transition:all .15s}
.chip:hover{color:var(--paper);border-color:var(--stone)}
.demo-result{margin-top:14px;display:flex;align-items:center;gap:10px;min-height:26px;font-size:.92rem;flex-wrap:wrap}
.verdict{font-family:var(--mono);font-size:.7rem;letter-spacing:.07em;text-transform:uppercase;
  padding:.35em .7em;border-radius:7px;font-weight:600}
.verdict.allow{background:rgba(120,200,120,.16);color:#9ad29a}
.verdict.block{background:rgba(255,120,120,.14);color:#f0a0a0}
.verdict.filter{background:rgba(255,212,0,.14);color:var(--signal)}

/* status page */
.status-meta{font-family:var(--mono);font-size:.82rem;color:var(--stone);margin-top:12px}
.status-pct{font-family:var(--mono);font-size:.82rem;color:var(--signal)}
.uptime{display:flex;gap:2px;margin-top:14px}
.uptime i{flex:1;height:32px;border-radius:2px;background:#3a7a45}
.incident{display:flex;align-items:center;gap:10px;padding:16px 0;border-top:1px solid var(--hair);color:var(--stone);font-size:.95rem}
.incident:first-child{border-top:none}

@media (max-width:860px){
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .cards{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .foot{grid-template-columns:1fr 1fr}
  .links{display:none;position:absolute;top:68px;left:0;right:0;background:var(--ink);
    flex-direction:column;align-items:flex-start;gap:0;border-bottom:1px solid var(--hair)}
  .nav[data-open="true"] .links{display:flex}
  .links a{padding:16px 24px;width:100%;border-top:1px solid var(--hair)}
  .nav-toggle{display:inline-block}
  .nav-cta .btn{display:none}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important}
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}