/* ============ ByteBluu — shared styles ============ */
/* Local TWK Everett (Regular / Medium / Bold) per brandbook + JetBrains Mono fallback for the mono variable
   (TWK Everett Mono is a separate paid file — drop it into assets/fonts/ and update the @font-face block when you have it.) */
@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;700&family=Inter:wght@300;400;500;600;700;800&display=swap');

@font-face{
  font-family:'TWK Everett';
  src:url('assets/fonts/TWKEverett-Regular.otf') format('opentype');
  font-weight:400;
  font-style:normal;
  font-display:swap;
}
@font-face{
  font-family:'TWK Everett';
  src:url('assets/fonts/TWKEverett-Medium.otf') format('opentype');
  font-weight:500;
  font-style:normal;
  font-display:swap;
}
@font-face{
  font-family:'TWK Everett';
  src:url('assets/fonts/TWKEverett-Bold.otf') format('opentype');
  font-weight:700;
  font-style:normal;
  font-display:swap;
}

:root{
  --ink:#000017;
  --ink-2:#000028;
  --ink-3:#08081f;
  --paper:#FFFFFF;
  --bone:#F2F0EB;
  --white:#fff;
  --blue:#0000FF;
  --blue-deep:#0000CC;
  --blue-lav:#DFE8FF;
  --blue-lav-2:#C8D5FF;
  --blue-mid:#94B2FF;
  --grid:rgba(0,0,0,.08);
  --grid-white:rgba(255,255,255,.08);
  /* TWK Everett — brand typeface (per brandbook section 4.0) */
  --sans:'TWK Everett','Inter','Helvetica Neue',system-ui,sans-serif;
  /* JetBrains Mono — temporary mono fallback; swap to TWK Everett Mono when licensed */
  --mono:'JetBrains Mono','SF Mono','Menlo','Consolas',monospace;
}

*{box-sizing:border-box;margin:0;padding:0}
html,body{background:var(--paper);color:var(--ink);font-family:var(--sans);-webkit-font-smoothing:antialiased;font-size:15px;line-height:1.5;letter-spacing:-.01em}
a{color:inherit;text-decoration:none}
body{overflow-x:hidden}
img,svg{display:block;max-width:100%}
::selection{background:var(--blue);color:#fff}

.mono{font-family:var(--mono);letter-spacing:0}
.small{font-size:11px;text-transform:uppercase;letter-spacing:.06em;font-family:var(--mono);font-weight:500}
.container{max-width:1280px;margin:0 auto;padding:0 32px}
.rule{height:1px;background:rgba(0,0,0,.12)}
.rule.dark{background:rgba(255,255,255,.18)}

/* Sparkle 4-point glyph */
.spark{display:inline-block;width:1em;height:1em;background:currentColor;
  -webkit-mask:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 13 13"><path d="M13 6.5C6.845 6.689 6.691 6.843 6.501 13 6.313 6.845 6.159 6.691 0 6.5c6.157-.187 6.311-.341 6.501-6.5.188 6.157.342 6.311 6.499 6.5Z"/></svg>') center/contain no-repeat;
          mask:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 13 13"><path d="M13 6.5C6.845 6.689 6.691 6.843 6.501 13 6.313 6.845 6.159 6.691 0 6.5c6.157-.187 6.311-.341 6.501-6.5.188 6.157.342 6.311 6.499 6.5Z"/></svg>') center/contain no-repeat}
.spark.blue{color:var(--blue)}
.spark.white{color:#fff}

/* ============ NAV ============ */
.nav{position:fixed;top:18px;left:50%;transform:translateX(-50%);width:min(1180px,calc(100% - 28px));z-index:80;
  background:rgba(255,255,255,.85);backdrop-filter:blur(22px) saturate(140%);-webkit-backdrop-filter:blur(22px) saturate(140%);
  border:1px solid rgba(0,0,23,.08);border-radius:999px;display:flex;align-items:center;padding:10px 12px 10px 24px;gap:10px;
  transition:background .3s, border-color .3s, color .3s}
.nav.dark{background:rgba(0,0,40,.55);border-color:rgba(255,255,255,.1);color:#fff}
.nav .brand{display:flex;align-items:center;gap:9px;font-weight:600;font-size:15px;letter-spacing:-.02em}
.nav .brand .dot{width:8px;height:8px;background:var(--blue);border-radius:2px}
.nav ul{list-style:none;display:flex;align-items:center;gap:2px;margin:0 auto}
.nav ul a{padding:8px 12px;border-radius:999px;font-size:13px;font-weight:500;display:inline-flex;align-items:center;gap:6px;transition:background .2s,color .2s;letter-spacing:-.01em;white-space:nowrap}
.nav ul a.active{color:var(--blue)}
.nav.dark ul a.active{color:var(--blue-mid)}
.nav ul a:hover{background:rgba(0,0,23,.06)}
.nav.dark ul a:hover{background:rgba(255,255,255,.08)}
.nav .cta{display:inline-flex;align-items:center;gap:8px;background:var(--blue);color:#fff;padding:10px 18px;border-radius:999px;font-weight:500;font-size:13px;transition:transform .25s, background .25s;white-space:nowrap}
.nav .cta:hover{transform:translateY(-1px);background:var(--ink)}
.nav.dark .cta{background:#fff;color:var(--ink)}
.nav.dark .cta:hover{background:var(--blue);color:#fff}

/* Language toggle — adapts to both light and dark nav contexts */
.lang-btn{
  font-family:var(--mono);
  font-size:10.5px;
  font-weight:600;
  letter-spacing:.1em;
  text-transform:uppercase;
  width:36px;height:36px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid rgba(0,0,23,.18);
  border-radius:999px;
  background:transparent;
  color:inherit;
  cursor:pointer;
  margin-right:6px;
  padding:0;
  flex-shrink:0;
  transition:background .2s,color .2s,border-color .2s,transform .15s;
}
.lang-btn:hover{
  border-color:var(--blue);
  color:var(--blue);
  background:rgba(0,0,255,.06);
}
.nav.dark .lang-btn{border-color:rgba(255,255,255,.28);color:#fff}
.nav.dark .lang-btn:hover{border-color:var(--blue-mid);color:var(--blue-mid);background:rgba(148,178,255,.1)}

/* ============ Buttons ============ */
.btn{display:inline-flex;align-items:center;gap:10px;padding:13px 20px;border-radius:999px;font-weight:500;font-size:14px;border:1px solid transparent;cursor:pointer;transition:transform .25s,background .25s,color .25s,border-color .25s;font-family:var(--sans);letter-spacing:-.01em}
.btn .arrow{width:24px;height:24px;border-radius:999px;display:grid;place-items:center;transition:transform .25s}
.btn.pri{background:var(--blue);color:#fff}
.btn.pri .arrow{background:#fff;color:var(--blue)}
.btn.pri:hover{background:#fff;color:var(--ink)}
.btn.pri:hover .arrow{background:var(--blue);color:#fff;transform:rotate(-45deg)}
.btn.dark{background:var(--ink);color:#fff}
.btn.dark .arrow{background:#fff;color:var(--ink)}
.btn.dark:hover .arrow{transform:rotate(-45deg)}
.btn.outline{background:transparent;color:var(--ink);border-color:rgba(0,0,23,.2)}
.btn.outline .arrow{background:var(--ink);color:#fff}
.btn.outline:hover{background:var(--ink);color:#fff}
.btn.outline:hover .arrow{background:#fff;color:var(--ink);transform:rotate(-45deg)}
.btn.ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.25)}
.btn.ghost .arrow{background:#fff;color:var(--ink)}
.btn.ghost:hover{background:#fff;color:var(--ink)}
.btn.ghost:hover .arrow{background:var(--ink);color:#fff;transform:rotate(-45deg)}

/* Halftone / dither texture */
.dither{position:relative;background:#0000FF;overflow:hidden}
.dither::before{content:"";position:absolute;inset:0;background-image:radial-gradient(#000028 1.4px,transparent 1.4px);background-size:8px 8px;opacity:.55;mix-blend-mode:multiply;
  -webkit-mask-image:linear-gradient(135deg,#000 0%,transparent 70%);mask-image:linear-gradient(135deg,#000 0%,transparent 70%)}
.dither::after{content:"";position:absolute;inset:0;background-image:radial-gradient(#fff 1px,transparent 1px);background-size:6px 6px;opacity:.18;mix-blend-mode:screen;
  -webkit-mask-image:linear-gradient(315deg,#000 0%,transparent 70%);mask-image:linear-gradient(315deg,#000 0%,transparent 70%)}
.dither.dark{background:#000017}
.dither.dark::before{background-image:radial-gradient(#0000FF 1.4px,transparent 1.4px);opacity:.85;mix-blend-mode:normal;-webkit-mask-image:linear-gradient(135deg,#000 0%,transparent 75%);mask-image:linear-gradient(135deg,#000 0%,transparent 75%)}
.dither.dark::after{display:none}

/* Reveal */
[data-reveal]{opacity:0;transform:translateY(28px);transition:opacity .8s cubic-bezier(.2,.8,.2,1),transform .8s cubic-bezier(.2,.8,.2,1)}
[data-reveal].on{opacity:1;transform:none}

/* Section heading row */
.sec-head{display:flex;align-items:flex-start;gap:30px;padding:80px 0 28px}
.sec-head .kicker{display:flex;align-items:center;gap:8px;font-family:var(--mono);font-size:12px;letter-spacing:.04em;text-transform:uppercase;min-width:140px;font-weight:700;color:var(--blue)}
.sec-head h2{font-weight:500;font-size:clamp(40px,5.6vw,84px);line-height:1.02;letter-spacing:-.035em;flex:1}
.sec-head h2 em{font-style:normal;color:var(--blue)}
.sec-head .note{max-width:340px;font-size:14px;color:#333;line-height:1.55}

/* Page hero */
.phero{position:relative;background:var(--ink);color:#fff;overflow:hidden;padding:160px 0 120px}
.phero .grid-bg{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:64px 64px;mask-image:radial-gradient(ellipse 80% 60% at 50% 50%,#000 30%,transparent 80%)}
.phero .glow{position:absolute;inset:0;background:radial-gradient(700px 500px at var(--mx,60%) var(--my,40%),rgba(0,0,255,.55),transparent 60%);transition:background .2s;pointer-events:none}
.phero .meta{position:absolute;top:120px;left:32px;right:32px;display:flex;justify-content:space-between;font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:.06em;opacity:.65;z-index:3;flex-wrap:wrap;gap:10px}
.phero h1{position:relative;z-index:3;font-weight:500;font-size:clamp(56px,9vw,148px);line-height:.95;letter-spacing:-.04em;max-width:1180px;margin:0 auto;text-align:center;padding:60px 0}
.phero h1 em{font-style:normal;color:var(--blue-mid)}

/* ============ CTA block (used on every page) ============ */
.cta-block{position:relative;color:#fff;overflow:hidden;isolation:isolate;padding:80px 0 70px;background:var(--blue)}
.cta-block .grid-bg{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.18) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.18) 1px,transparent 1px);background-size:40px 40px;
  -webkit-mask-image:linear-gradient(135deg,transparent 0%,#000 80%);mask-image:linear-gradient(135deg,transparent 0%,#000 80%);opacity:.45}
.cta-block .ditherbg{position:absolute;right:-100px;top:-100px;bottom:-100px;left:55%;
  background-image:radial-gradient(#000028 1.5px,transparent 1.5px);background-size:6px 6px;
  -webkit-mask-image:radial-gradient(ellipse 100% 80% at 70% 50%,#000 30%,transparent 75%);mask-image:radial-gradient(ellipse 100% 80% at 70% 50%,#000 30%,transparent 75%);
  mix-blend-mode:multiply;opacity:.7}
.cta-block .row{display:flex;align-items:flex-start;gap:40px;position:relative;z-index:2;justify-content:space-between}
.cta-block h2{font-weight:500;font-size:clamp(36px,5vw,64px);line-height:1;letter-spacing:-.035em;max-width:760px}
.cta-block p{margin-top:18px;max-width:520px;color:rgba(255,255,255,.78);font-size:14px;line-height:1.55}
.cta-block .bigarr{flex:0 0 auto;width:90px;height:90px;border-radius:999px;background:#fff;color:var(--blue);display:grid;place-items:center;cursor:pointer;transition:transform .3s}
.cta-block .bigarr:hover{transform:rotate(-45deg) scale(1.05)}
.cta-block .bigarr svg{width:32px;height:32px}
.cta-block .form-row{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:60px;padding-top:50px;border-top:1px solid rgba(255,255,255,.25);position:relative;z-index:2}
.cta-block .form-row h5{font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:.06em;opacity:.7;margin-bottom:14px;font-weight:500}
.cta-block .form-row li{list-style:none;padding:5px 0;font-size:13.5px}
.cta-block .form-row .colf{grid-column:span 1}
.cta-block .form-row .colform{grid-column:span 1}
.cta-block .form-row .colform p{font-size:13px;line-height:1.5;margin:0 0 14px;color:rgba(255,255,255,.78)}
.cta-block input,.cta-block textarea{background:transparent;border:0;border-bottom:1px solid rgba(255,255,255,.4);padding:12px 0;color:#fff;font-family:var(--sans);font-size:14px;width:100%;outline:none;letter-spacing:-.01em}
.cta-block input::placeholder,.cta-block textarea::placeholder{color:rgba(255,255,255,.55)}
.cta-block .submit-row{display:flex;justify-content:space-between;align-items:center;margin-top:18px;font-size:11px;font-family:var(--mono);text-transform:uppercase;letter-spacing:.05em}
.cta-block .submit-row .btn{padding:8px 14px;background:#fff;color:var(--blue);font-family:var(--sans);font-size:12px}

/* ============ FOOTER ============ */
footer{background:#fff;color:var(--ink);padding:36px 0 28px;border-top:1px solid rgba(0,0,0,.08)}
footer .row{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;font-family:var(--mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;opacity:.7}
footer .row a{display:inline-flex;align-items:center;gap:6px}
footer .row a:hover{color:var(--blue)}

/* ============ Mobile Nav (hamburger) ============ */
.nav .menu-btn{display:none;width:40px;height:40px;border:1px solid rgba(0,0,23,.12);border-radius:999px;background:transparent;align-items:center;justify-content:center;cursor:pointer;color:inherit;padding:0;margin-left:auto}
.nav.dark .menu-btn{border-color:rgba(255,255,255,.18)}
.nav .menu-btn i{display:block;width:16px;height:1.5px;background:currentColor;position:relative;transition:transform .25s, background .25s}
.nav .menu-btn i::before,.nav .menu-btn i::after{content:"";position:absolute;left:0;width:16px;height:1.5px;background:currentColor;transition:transform .25s}
.nav .menu-btn i::before{top:-5px}
.nav .menu-btn i::after{top:5px}
.nav.open .menu-btn i{background:transparent}
.nav.open .menu-btn i::before{transform:translateY(5px) rotate(45deg)}
.nav.open .menu-btn i::after{transform:translateY(-5px) rotate(-45deg)}

.mobile-menu{position:fixed;inset:0;background:var(--ink);color:#fff;z-index:70;opacity:0;pointer-events:none;transition:opacity .35s;display:flex;flex-direction:column;padding:90px 28px 40px;overflow:auto}
.mobile-menu.open{opacity:1;pointer-events:auto}
.mobile-menu .grid-bg{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:48px 48px;mask-image:radial-gradient(ellipse 80% 60% at 50% 40%,#000 30%,transparent 80%);pointer-events:none}
.mobile-menu .glow{position:absolute;inset:0;background:radial-gradient(600px 400px at 70% 20%,rgba(0,0,255,.5),transparent 60%);pointer-events:none}
.mobile-menu ul{list-style:none;display:flex;flex-direction:column;gap:2px;margin:0;padding:0;position:relative;z-index:2}
.mobile-menu ul a{display:flex;align-items:center;justify-content:space-between;padding:18px 0;font-size:28px;font-weight:500;letter-spacing:-.02em;border-bottom:1px solid rgba(255,255,255,.12)}
.mobile-menu ul a .num{font-family:var(--mono);font-size:11px;opacity:.55;letter-spacing:.06em}
.mobile-menu ul a.active{color:var(--blue-mid)}
.mobile-menu .foot{position:relative;z-index:2;margin-top:auto;padding-top:30px;display:flex;flex-direction:column;gap:14px;font-size:13px}
.mobile-menu .foot a.cta-mob{display:inline-flex;align-items:center;justify-content:space-between;gap:8px;background:var(--blue);color:#fff;padding:16px 22px;border-radius:999px;font-weight:500;font-size:15px;width:100%}
.mobile-menu .foot .info{display:flex;flex-direction:column;gap:6px;opacity:.7;font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:.06em}

html.nav-open,body.nav-open{overflow:hidden}

/* ============ Responsive ============ */
@media (max-width:1080px){
  .nav{padding:8px 10px 8px 18px}
  .nav ul a{padding:8px 10px;font-size:12.5px}
  .nav .cta{padding:9px 14px;font-size:12.5px}
  .nav .time{display:none}
}
@media (max-width:900px){
  .container{padding:0 18px}
  .nav{padding:8px 10px 8px 18px;border-radius:18px;width:calc(100% - 20px);top:12px}
  .nav .brand{font-size:14px}
  .nav ul{display:none}
  .nav .time{display:none}
  .nav .cta{display:none}
  .nav .menu-btn{display:inline-flex}
  .sec-head{flex-direction:column;gap:14px;padding:50px 0 18px}
  .sec-head .kicker{min-width:0}
  .sec-head h2{font-size:clamp(34px,8.5vw,52px)}
  .cta-block{padding:60px 0 40px}
  .cta-block .row{flex-direction:column;gap:24px;align-items:flex-start}
  .cta-block .bigarr{width:70px;height:70px}
  .cta-block .form-row{grid-template-columns:1fr;gap:24px;margin-top:40px;padding-top:34px}
  .cta-block h2{font-size:clamp(34px,8.5vw,48px)}
  footer .row{justify-content:flex-start;gap:14px;font-size:10px}
  footer .row > span:nth-child(2){flex-basis:100%;order:3}
}
@media (max-width:560px){
  .btn{padding:11px 16px;font-size:13px}
  .btn .arrow{width:20px;height:20px}
}

/* Hero / page-hero responsive */
@media (max-width:900px){
  .phero{padding:120px 0 70px}
  .phero .meta{top:84px;left:18px;right:18px;font-size:10px;gap:6px}
  .phero .meta > span:nth-child(3){display:none}
  .phero h1{font-size:clamp(40px,11vw,84px);padding:30px 0}
}
@media (max-width:560px){
  .phero{padding:100px 0 60px}
  .phero .meta{display:none}
}