/* ============= LANDING SHARED STYLES =============
   Tokens + reset + bg layers + header + footer + buttons + reveal +
   section primitives. Used by protocol.html and security.html.
   landing/index.html stays inline-styled (restored as-is).
*/

*{box-sizing:border-box;margin:0;padding:0;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
:root{
  --bg:#0a0b09;
  --bg-warm:#13130d;
  --bg-elevated:#16170f;
  --paper:#f4ede0;
  --paper-2:rgba(244,237,224,0.66);
  --paper-3:rgba(244,237,224,0.42);
  --paper-4:rgba(244,237,224,0.18);
  --line:rgba(244,237,224,0.06);
  --line-2:rgba(244,237,224,0.12);
  --line-3:rgba(244,237,224,0.18);
  --lime:#d4ff3a;
  --lime-deep:#a8d420;
  --lime-soft:rgba(212,255,58,0.14);
  --amber:#f4c365;
  --rose:#f47b65;
  --sans:'Inter Tight','Inter',sans-serif;
  --hand:'Caveat',cursive;
  --mono:'JetBrains Mono',monospace;
  --easing:cubic-bezier(0.16,1,0.3,1);
}
html{scroll-behavior:smooth;background:var(--bg)}
body{
  background:var(--bg);color:var(--paper);font-family:var(--sans);
  font-size:15px;line-height:1.55;letter-spacing:-0.013em;
  overflow-x:hidden;position:relative;min-height:100vh;
  font-feature-settings:"ss01","cv11","cv02";
}
body::before{
  content:'';position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(ellipse 70% 50% at 18% 15%, rgba(212,255,58,0.035) 0%, transparent 55%),
    radial-gradient(ellipse 60% 45% at 85% 85%, rgba(244,195,101,0.025) 0%, transparent 55%),
    radial-gradient(ellipse 100% 80% at 50% 50%, transparent 30%, rgba(0,0,0,0.4) 100%);
}
body::after{
  content:'';position:fixed;inset:0;pointer-events:none;z-index:0;
  background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='1.6' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 1  0 0 0 0 1  0 0 0 0 1  0 0 0 0.045 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  opacity:0.7;mix-blend-mode:overlay;
}
main{transition:opacity .16s var(--easing),transform .16s var(--easing),filter .16s var(--easing)}
html.middn-route-leaving main{opacity:0;transform:translateY(6px) scale(.998);filter:blur(4px);pointer-events:none}
html.middn-route-entering main{animation:middnRouteEnter .24s var(--easing) both}
@keyframes middnRouteEnter{
  from{opacity:0;transform:translateY(6px) scale(.998);filter:blur(4px)}
  70%{filter:blur(0)}
  to{opacity:1;transform:translateY(0) scale(1);filter:blur(0)}
}
@media (prefers-reduced-motion:reduce){
  main{transition:none!important}
  html.middn-route-entering main{animation:none!important}
}
.bg-dots{
  position:fixed;inset:0;pointer-events:none;z-index:1;
  background-image:radial-gradient(circle, rgba(244,237,224,0.04) 1px, transparent 1.5px);
  background-size:48px 48px;
  mask-image:radial-gradient(ellipse 80% 70% at 50% 40%, black 0%, rgba(0,0,0,0.3) 60%, transparent 90%);
  -webkit-mask-image:radial-gradient(ellipse 80% 70% at 50% 40%, black 0%, rgba(0,0,0,0.3) 60%, transparent 90%);
}
::selection{background:var(--lime);color:#0a0b09}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--line-2);border-radius:10px}
::-webkit-scrollbar-thumb:hover{background:var(--line-3)}

.container{width:100%;max-width:1060px;margin:0 auto;padding:0 28px;position:relative;z-index:3}

/* ============= HEADER ============= */
header.site{
  position:fixed;top:18px;left:50%;transform:translateX(-50%);
  z-index:80;width:calc(100% - 36px);max-width:1080px;
  transition:transform 0.55s var(--easing), opacity 0.4s ease;
}
header.site.hidden{transform:translate(-50%,-180%);opacity:0;pointer-events:none}
.header-inner{
  background:rgba(13,14,11,0.5);
  backdrop-filter:blur(28px) saturate(180%);
  -webkit-backdrop-filter:blur(28px) saturate(180%);
  border:1px solid rgba(244,237,224,0.08);border-radius:100px;
  padding:9px 11px 9px 22px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  box-shadow:inset 0 1px 0 rgba(244,237,224,0.05), 0 0 0 1px rgba(0,0,0,0.4), 0 24px 60px -16px rgba(0,0,0,0.55);
  transition:all 0.4s ease;
}
header.site.scrolled .header-inner{
  background:rgba(10,11,9,0.78);border-color:rgba(244,237,224,0.12);
}
.logo{display:flex;align-items:center;gap:9px;color:var(--paper);text-decoration:none;
  font-family:var(--hand);font-size:26px;font-weight:600;letter-spacing:-0.01em;flex-shrink:0;line-height:1}
.logo-mark{width:30px;height:30px;flex-shrink:0;display:inline-flex;align-items:center;justify-content:center}
.logo-mark svg{width:100%;height:100%;overflow:visible}
.logo-text{
  background:linear-gradient(180deg,var(--paper) 0%,var(--paper-2) 100%);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;line-height:1;
}
@keyframes logoMPulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:0.7;transform:scale(0.93)}}
@keyframes logoShield{0%,100%{stroke-dashoffset:0;opacity:0.5}50%{stroke-dashoffset:30;opacity:0.95}}
.logo-shield{stroke-dasharray:6 4;animation:logoShield 3s ease-in-out infinite}
.logo-m{transform-box:fill-box;transform-origin:center;animation:logoMPulse 2.6s ease-in-out infinite}

.header-nav{display:flex;align-items:center;gap:4px}
.header-nav a{
  padding:8px 14px;color:var(--paper-2);text-decoration:none;font-size:13.5px;
  font-weight:500;letter-spacing:-0.005em;border-radius:100px;
  transition:all 0.3s ease;position:relative;
}
.header-nav a:hover{color:var(--paper);background:rgba(244,237,224,0.04)}
.header-nav a.active{color:var(--paper);background:rgba(244,237,224,0.06)}
.header-nav a.active::before{content:'';position:absolute;left:14px;right:14px;bottom:3px;height:1px;background:var(--lime);opacity:0.7}

.header-cta{
  display:inline-flex;align-items:center;gap:6px;
  padding:9px 18px 9px 16px;border-radius:100px;
  background:var(--lime);color:#0a0b09;text-decoration:none;
  font-weight:600;font-size:13.5px;letter-spacing:-0.005em;
  transition:all 0.35s var(--easing);white-space:nowrap;flex-shrink:0;
  box-shadow:0 0 0 1px rgba(212,255,58,.24),0 12px 30px -18px rgba(212,255,58,.75);
}
.header-cta:hover{background:#caff32;box-shadow:0 8px 24px -6px rgba(212,255,58,0.55);transform:translateY(-1px)}
.header-cta .arr{transition:transform 0.3s var(--easing)}
.header-cta:hover .arr{transform:translateX(3px)}

main{position:relative;z-index:2;padding-top:120px}

/* ============= BUTTONS ============= */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 24px;border-radius:100px;text-decoration:none;
  font-family:inherit;font-weight:600;font-size:14.5px;letter-spacing:-0.005em;
  cursor:pointer;transition:all 0.4s var(--easing);border:0;white-space:nowrap;
}
.btn-primary{background:var(--lime);color:#0a0b09;box-shadow:0 0 30px rgba(212,255,58,0.2)}
.btn-primary:hover{background:#bce82e;transform:translateY(-2px);box-shadow:0 14px 40px -10px rgba(212,255,58,0.55)}
.btn-primary .arr{transition:transform 0.4s var(--easing)}
.btn-primary:hover .arr{transform:translateX(4px)}
.btn-ghost{background:transparent;color:var(--paper);border:1px solid var(--line-3)}
.btn-ghost:hover{background:rgba(244,237,224,0.04);border-color:var(--paper-3)}

/* ============= SECTION PRIMITIVES ============= */
.section-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--mono);font-size:11.5px;color:var(--paper-3);
  letter-spacing:0.1em;text-transform:uppercase;font-weight:500;margin-bottom:18px;
}
.section-tag::before{content:'';width:24px;height:1px;background:var(--lime)}

.reveal{opacity:0;transform:translateY(28px);transition:opacity 0.9s var(--easing), transform 0.9s var(--easing)}
.reveal.in{opacity:1;transform:translateY(0)}

/* ============= FOOTER ============= */
footer.site{padding:48px 0 36px;border-top:1px solid var(--line);position:relative;z-index:2}
.footer-row{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.footer-left{display:flex;align-items:center;gap:14px;color:var(--paper-3);font-size:12.5px}
.footer-nav{display:flex;gap:8px;flex-wrap:wrap}
.footer-nav a{
  padding:6px 10px;color:var(--paper-3);text-decoration:none;
  font-size:13px;font-weight:500;border-radius:8px;transition:all 0.25s ease;
}
.footer-nav a:hover{color:var(--paper);background:rgba(244,237,224,0.04)}
.footer-nav a.active{color:var(--lime);background:rgba(212,255,58,0.055)}

/* ============= PAGE HEAD ============= */
.page-head{
  padding:36px 0 44px;border-bottom:1px solid var(--line);
  margin-bottom:56px;position:relative;
}
.page-head h1{
  font-family:var(--sans);font-weight:300;
  font-size:clamp(38px,4.6vw,62px);line-height:1;letter-spacing:-0.04em;
  color:var(--paper);margin-bottom:18px;
  font-feature-settings:"ss01","cv11","cv02";
}
.page-head h1 .it{font-weight:400}
.page-head h1 .hand{
  font-family:var(--hand);color:var(--lime);font-weight:600;
  font-size:1.06em;display:inline-block;transform:rotate(-1.5deg) translateY(0.04em);line-height:0.85;
}
.page-head .lede{font-size:18px;color:var(--paper-2);max-width:60ch;line-height:1.55}

/* ============= PAGE SECTION ============= */
.page-section{padding:32px 0 64px;border-bottom:1px dashed var(--line-2)}
.page-section:last-of-type{border-bottom:0}
.page-section-head{
  display:flex;align-items:baseline;justify-content:space-between;
  gap:24px;flex-wrap:wrap;margin-bottom:32px;
}
.page-section-head h2{
  font-family:var(--sans);font-weight:300;
  font-size:clamp(28px,3.2vw,42px);line-height:1.04;letter-spacing:-0.035em;
  color:var(--paper);max-width:24ch;
}
.page-section-head h2 .it{font-weight:400}
.page-section-head h2 .lime{color:var(--lime);font-weight:400}
.page-section-head h2 .hand{
  font-family:var(--hand);color:var(--lime);font-weight:600;
  display:inline-block;transform:rotate(-1.5deg);line-height:0.85;font-size:1.06em;
}
.page-section-head .meta{
  font-family:var(--mono);font-size:11px;color:var(--paper-3);
  letter-spacing:0.08em;text-transform:uppercase;
}

@keyframes fadeIn{to{opacity:1}}
@keyframes fadeUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}

/* ============= RESPONSIVE ============= */
@media (max-width:680px){
  .container{padding:0 20px}
  main{padding-top:96px}
  header.site{
    top:12px;
    left:12px;
    right:auto;
    width:calc(100% - 24px);
    max-width:none;
    transform:none;
  }
  header.site.hidden{transform:translateY(-180%)}
  .header-inner{width:100%;padding:7px 8px 7px 13px;gap:8px}
  .logo{font-size:20px;gap:7px;min-width:0}
  .logo-mark{width:27px;height:27px}
  .header-nav{display:none}
  .header-cta{padding:8px 11px;font-size:0;gap:0}
  .header-cta::before{content:'Beta';font-size:13px;font-weight:820}
  .header-cta .arr{font-size:12px;margin-left:6px}
  .page-head{padding:24px 0 32px;margin-bottom:36px}
}

/* ============= V1 HEADER / FOOTER SHELL ============= */
:root{--ease:var(--easing)}
.header{
  position:fixed;top:16px;left:50%;transform:translateX(-50%);
  width:calc(100% - 36px);max-width:1060px;z-index:80;
  transition:transform .46s var(--ease),opacity .32s ease;
  will-change:transform,opacity;
}
.header.is-hidden{transform:translate(-50%,calc(-100% - 34px));opacity:0;pointer-events:none}
.header-inner{
  position:relative;display:grid;grid-template-columns:auto minmax(0,1fr) auto;
  align-items:center;gap:16px;width:100%;
  padding:8px 9px 8px 16px;border-radius:999px;
  border:1px solid rgba(244,237,224,.075);
  background:linear-gradient(180deg,rgba(13,14,11,.7),rgba(8,9,7,.54));
  backdrop-filter:blur(30px) saturate(175%);
  -webkit-backdrop-filter:blur(30px) saturate(175%);
  box-shadow:inset 0 1px 0 rgba(244,237,224,.045),inset 0 -1px 0 rgba(212,255,58,.035),0 22px 70px -28px rgba(0,0,0,.8);
  overflow:hidden;
}
.header-inner::before{
  content:'';position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  background:linear-gradient(90deg,rgba(212,255,58,.1),transparent 20%,transparent 78%,rgba(139,215,255,.055));
  opacity:.38;
}
.header.is-ambient .header-inner{
  border-color:rgba(244,237,224,0.035);
  background:rgba(13,14,11,0.16);
  box-shadow:inset 0 1px 0 rgba(244,237,224,0.025), 0 18px 54px -34px rgba(0,0,0,0.68);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
}
.header.is-ambient .header-inner::before{opacity:0.1}
.header .logo,.footer .logo{
  position:relative;z-index:1;display:flex;align-items:center;gap:7px;
  min-width:116px;color:var(--paper);text-decoration:none;
  font-family:var(--hand);font-size:25px;font-weight:650;line-height:1;
}
.header .logo-text,.footer .logo-text{
  position:relative;top:1px;
  background:linear-gradient(180deg,var(--paper),rgba(244,237,224,.76));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
  text-shadow:0 0 20px rgba(244,237,224,.08);
}
.header .logo-mark,.footer .logo-mark{
  width:34px;height:34px;display:grid;place-items:center;flex:0 0 auto;
}
.header .logo-mark-current,.footer .logo-mark-current{display:none}
.header .logo-mark-test,.footer .logo-mark-test{
  position:relative;width:38px;height:34px;border-radius:0;background:none!important;
  box-shadow:none!important;overflow:visible;transform-origin:center;
  animation:doublePillBreath 6.4s var(--ease) infinite;
}
.header .logo-mark-test::after,.footer .logo-mark-test::after{
  content:'';position:absolute;inset:6px 2px;border-radius:999px;
  background:radial-gradient(ellipse at 50% 50%,rgba(212,255,58,.28),transparent 68%);
  filter:blur(10px);opacity:0;z-index:-1;animation:doublePillLoadGlow 2.8s ease-out .18s 1;
}
.header .logo-mark-test img,.footer .logo-mark-test img{
  display:block;width:38px;height:auto;
  filter:drop-shadow(0 0 14px rgba(212,255,58,.18));
  transition:filter .32s var(--ease),transform .32s var(--ease);
}
.header .logo:hover .logo-mark-test img,.footer .logo:hover .logo-mark-test img{
  transform:translateY(-1px);filter:drop-shadow(0 0 18px rgba(212,255,58,.42));
}
.nav{position:relative;z-index:1;display:flex;justify-content:center;align-items:center;gap:2px;min-width:0}
.nav a{
  position:relative;color:rgba(244,237,224,.58);text-decoration:none;
  font-size:12.5px;font-weight:520;letter-spacing:.006em;padding:8px 10px;border-radius:999px;
  white-space:nowrap;transition:color .25s ease,background .25s ease,transform .25s ease;
}
.nav a::after{
  content:'';position:absolute;left:13px;right:13px;bottom:5px;height:1px;
  background:var(--lime);transform:scaleX(0);transform-origin:center;opacity:.85;
  transition:transform .28s var(--ease);
}
.nav a:hover{color:var(--paper);background:rgba(244,237,224,.035);transform:translateY(-1px)}
.nav a.active{color:var(--paper);background:rgba(244,237,224,.05)}
.nav a.active::after{transform:scaleX(1)}
.cta{
  position:relative;z-index:1;display:inline-flex;align-items:center;gap:8px;
  padding:10px 15px;border-radius:999px;color:#0a0b09;background:var(--lime);
  text-decoration:none;font-size:13px;font-weight:700;letter-spacing:-.01em;white-space:nowrap;
  box-shadow:0 0 0 1px rgba(212,255,58,.22),0 12px 30px -18px rgba(212,255,58,.7);
  transition:all .3s var(--ease);
}
.cta span{display:inline-grid;place-items:center;width:18px;height:18px;border-radius:50%;background:rgba(10,11,9,.14);line-height:1}
.cta:hover{background:var(--lime);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(212,255,58,.34),0 14px 34px -16px rgba(212,255,58,.8)}
.footer{
  border-top:1px solid transparent;padding:34px 0 40px;position:relative;z-index:2;
  background:linear-gradient(90deg,transparent,rgba(244,237,224,.075),rgba(212,255,58,.12),rgba(244,237,224,.075),transparent) top/100% 1px no-repeat;
}
.footer-row{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.footer-signature{display:flex;align-items:center;gap:clamp(22px,2.4vw,34px);min-width:360px}
.footer-signature > span{display:none}
.footer-logo{gap:6px!important;font-size:22px!important;min-width:0!important}
.footer-logo .logo-mark-test{width:31px;height:28px}
.footer-logo .logo-mark-test img{width:31px}
.footer-copy{
  display:grid;gap:3px;color:var(--paper-3);font-size:12.5px;line-height:1.35;
  padding-left:clamp(18px,1.9vw,28px);
  border-left:1px solid rgba(244,237,224,.12);
}
.footer-copy strong{color:var(--paper);font-family:var(--hand);font-size:21px;font-weight:700;line-height:1}
.footer-links{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}
.footer-links a{color:var(--paper-3);text-decoration:none;padding:7px 10px;border-radius:999px;font-size:12.5px;transition:.2s ease}
.footer-links a:hover{color:var(--paper);background:rgba(244,237,224,.045)}
.footer-links a.active{color:var(--lime);background:rgba(212,255,58,0.055)}
@keyframes logoPulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.72;transform:scale(.93)}}
@keyframes doublePillBreath{0%,100%{transform:scale(1)}50%{transform:scale(.975)}64%{transform:scale(1.018)}}
@keyframes doublePillLoadGlow{0%,100%{opacity:0;transform:scale(.82)}42%{opacity:.72;transform:scale(1.12)}}

@media(max-width:900px){
  .header{top:10px;width:calc(100% - 28px)}
  .header-inner{grid-template-columns:auto auto;justify-content:space-between}
  .nav{display:none}
}
@media(max-width:760px){
  .header{top:10px;width:calc(100% - 20px)}
  .header-inner{gap:10px;padding:8px 10px 8px 12px}
  .header .logo{gap:6px;font-size:21px;min-width:104px}
  .header .logo-mark-test{width:33px;height:29px}
  .header .logo-mark-test img{width:33px}
  .cta{padding:9px 12px;font-size:12.5px}
  .footer-row{display:grid;gap:18px;text-align:center;justify-items:center}
  .footer-signature{justify-content:center;min-width:0;width:100%;flex-wrap:wrap;gap:14px}
  .footer-copy{width:100%;max-width:300px;text-align:center;padding-left:0;border-left:0}
  .footer-copy strong{display:block;font-size:19px;line-height:1.08;text-wrap:balance}
  .footer-copy span{display:block}
  .footer-links{justify-content:center}
}
@media(max-width:430px){
  .header{width:calc(100% - 14px)}
  .cta{
    display:inline-flex;
    padding:8px 11px;
    font-size:0;
    gap:0;
  }
  .cta::before{content:'Beta';font-size:12px}
  .cta .arr{font-size:12px;margin-left:6px}
}