@charset "UTF-8";
/* ==========================================================================
   gate.css — access page (index.html)
   No imagery of any kind: type, rules, and CSS geometry only.
   ========================================================================== */

*,*::before,*::after{ box-sizing:border-box; }

:root{
  --abyss:#06232A;
  --deep:#0C3138;
  --teal:#14454E;
  --seaglass:#86AFA4;
  --sea-soft:#9FBDB3;
  --sea-dim:#5E8C82;
  --limestone:#DCD2C2;
  --ivory:#F7F4ED;
  --copper:#D4884F;
  --alarm:#E08A6B;
  --rule:rgba(220,210,194,.20);
  --font-sans:"Manrope","Segoe UI",-apple-system,BlinkMacSystemFont,Helvetica,Arial,sans-serif;
  --font-mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --ease:cubic-bezier(.22,.61,.36,1);
}

html,body{ height:100%; }
html{ -webkit-text-size-adjust:100%; }

body{
  margin:0;
  min-height:100svh;
  display:grid;
  place-items:center;
  padding:clamp(1.25rem,5vw,3rem);
  background:
    radial-gradient(120% 90% at 50% 8%, #10404A 0%, var(--deep) 42%, var(--abyss) 100%);
  color:var(--limestone);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow:hidden;
}

button,input{ font:inherit; color:inherit; }
button{ background:none; border:0; cursor:pointer; }

:focus-visible{ outline:2px solid var(--copper); outline-offset:3px; }

.sr-only{
  position:absolute!important; width:1px; height:1px; padding:0; margin:-1px;
  overflow:hidden; clip:rect(0 0 0 0); white-space:nowrap; border:0;
}

/* --------------------------------------------------------------------------
   AMBIENT GEOMETRY — pure CSS, decorative only
   -------------------------------------------------------------------------- */
.field{
  position:fixed;
  inset:0;
  pointer-events:none;
  overflow:hidden;
  z-index:0;
}

/* fine graticule */
.field__grid{
  position:absolute;
  inset:-10%;
  background-image:
    repeating-linear-gradient(to right,  rgba(134,175,164,.10) 0 1px, transparent 1px 96px),
    repeating-linear-gradient(to bottom, rgba(134,175,164,.10) 0 1px, transparent 1px 96px);
  -webkit-mask-image:radial-gradient(70% 60% at 50% 45%, #000 0%, transparent 78%);
  mask-image:radial-gradient(70% 60% at 50% 45%, #000 0%, transparent 78%);
}

/* concentric bearing rings */
.field__ring{
  position:absolute;
  top:50%; left:50%;
  border:1px solid rgba(134,175,164,.16);
  border-radius:50%;
  transform:translate(-50%,-50%);
}
.field__ring--a{
  width:min(118vmin,900px); aspect-ratio:1;
  border-style:solid;
  animation:spin 78s linear infinite;
  border-top-color:rgba(212,136,79,.34);
}
.field__ring--b{
  width:min(78vmin,620px); aspect-ratio:1;
  animation:spin 54s linear infinite reverse;
  border-left-color:rgba(134,175,164,.34);
}
.field__ring--c{
  width:min(46vmin,380px); aspect-ratio:1;
  border-color:rgba(220,210,194,.10);
  animation:pulse 9s var(--ease) infinite;
}

/* meridian + parallel hairlines */
.field__cross::before,
.field__cross::after{
  content:"";
  position:absolute;
  background:linear-gradient(var(--dir,to bottom), transparent, rgba(134,175,164,.22) 22%, rgba(134,175,164,.22) 78%, transparent);
}
.field__cross::before{ top:0; bottom:0; left:50%; width:1px; }
.field__cross::after{ left:0; right:0; top:50%; height:1px; --dir:to right; }

@keyframes spin{ to{ transform:translate(-50%,-50%) rotate(360deg); } }
@keyframes pulse{
  0%,100%{ transform:translate(-50%,-50%) scale(1); opacity:.55; }
  50%    { transform:translate(-50%,-50%) scale(1.055); opacity:1; }
}

/* corner coordinate ticks */
.ticks{
  position:fixed;
  inset:clamp(1rem,3vw,2.2rem);
  pointer-events:none;
  z-index:1;
  font-family:var(--font-mono);
  font-size:clamp(.56rem,1.5vw,.66rem);
  letter-spacing:.24em;
  text-transform:uppercase;
  color:rgba(134,175,164,.42);
}
.ticks span{ position:absolute; }
.ticks span:nth-child(1){ top:0; left:0; }
.ticks span:nth-child(2){ top:0; right:0; }
.ticks span:nth-child(3){ bottom:0; left:0; }
.ticks span:nth-child(4){ bottom:0; right:0; }
@media (max-width:560px){ .ticks span:nth-child(2),.ticks span:nth-child(3){ display:none; } }

/* --------------------------------------------------------------------------
   PANEL
   -------------------------------------------------------------------------- */
.gate{
  position:relative;
  z-index:2;
  width:100%;
  max-width:452px;
}

.gate__panel{
  position:relative;
  padding:clamp(2rem,5.5vw,3.1rem) clamp(1.5rem,4.5vw,2.6rem);
  border:1px solid var(--rule);
  border-radius:3px;
  background:rgba(6,35,42,.60);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
  box-shadow:0 48px 90px -50px rgba(0,0,0,.85);
  transition:border-color .45s var(--ease), transform .2s var(--ease);
}

/* corner accents */
.gate__panel::before,
.gate__panel::after{
  content:"";
  position:absolute;
  width:16px; height:16px;
  border:1px solid var(--copper);
  opacity:.65;
  transition:opacity .45s var(--ease);
}
.gate__panel::before{ top:-1px; left:-1px; border-width:1px 0 0 1px; }
.gate__panel::after{ bottom:-1px; right:-1px; border-width:0 1px 1px 0; }

.gate__label{
  display:flex;
  align-items:center;
  gap:.7em;
  font-family:var(--font-mono);
  font-size:.66rem;
  font-weight:500;
  letter-spacing:.28em;
  text-transform:uppercase;
  color:var(--copper);
  margin:0 0 1.5rem;
}
.gate__label::before{
  content:"";
  width:6px; height:6px;
  border-radius:50%;
  background:currentColor;
  flex:none;
  animation:blip 2.6s var(--ease) infinite;
}
@keyframes blip{ 0%,100%{ opacity:.35; } 50%{ opacity:1; } }

.gate__title{
  margin:0 0 .75rem;
  font-family:var(--font-sans);
  font-size:clamp(1.32rem,4.5vw,1.62rem);
  font-weight:500;
  line-height:1.25;
  letter-spacing:-.015em;
  color:var(--ivory);
}
.gate__intro{
  margin:0 0 clamp(1.9rem,4.5vw,2.5rem);
  font-size:.92rem;
  line-height:1.68;
  color:var(--sea-soft);
}

/* field -------------------------------------------------------------------- */
.gate__group{ position:relative; margin-bottom:1.15rem; }

.gate__fieldlabel{
  display:block;
  font-family:var(--font-mono);
  font-size:.6rem;
  letter-spacing:.24em;
  text-transform:uppercase;
  color:var(--sea-dim);
  margin-bottom:.7rem;
}

.gate__inputwrap{
  position:relative;
  display:flex;
  align-items:center;
  gap:.5rem;
  border-bottom:1px solid var(--rule);
  transition:border-color .4s var(--ease);
}
.gate__inputwrap::after{
  content:"";
  position:absolute; left:0; bottom:-1px; height:1px; width:100%;
  background:var(--copper);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .5s var(--ease);
}
.gate__inputwrap:focus-within::after{ transform:scaleX(1); }

.gate__input{
  flex:1 1 auto;
  min-width:0;
  width:100%;
  background:none;
  border:0;
  padding:.75rem 0 .85rem;
  font-family:var(--font-mono);
  font-size:1.02rem;
  letter-spacing:.24em;
  color:var(--ivory);
  caret-color:var(--copper);
}
.gate__input::placeholder{ color:rgba(134,175,164,.34); letter-spacing:.24em; }
.gate__input:focus{ outline:none; }
/* keep the browser from repainting the field beige on autofill */
.gate__input:-webkit-autofill,
.gate__input:-webkit-autofill:focus{
  -webkit-text-fill-color:var(--ivory);
  -webkit-box-shadow:0 0 0 1000px rgba(6,35,42,.01) inset;
  transition:background-color 9999s ease-in-out 0s;
}

.gate__reveal{
  flex:none;
  min-height:44px;
  padding:0 .2rem;
  display:inline-flex;
  align-items:center;
  font-family:var(--font-mono);
  font-size:.6rem;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--sea-dim);
  transition:color .3s var(--ease);
}
.gate__reveal:hover{ color:var(--seaglass); }

/* status ------------------------------------------------------------------- */
.gate__status{
  min-height:2.6em;
  margin:0 0 .35rem;
  font-family:var(--font-mono);
  font-size:.66rem;
  letter-spacing:.1em;
  line-height:1.75;
  color:var(--sea-dim);
}
.gate__status[data-state="error"]{ color:var(--alarm); }
.gate__status[data-state="ok"]{ color:var(--seaglass); }
.gate__status[data-state="checking"]{ color:var(--sea-soft); }

/* submit ------------------------------------------------------------------- */
.gate__submit{
  position:relative;
  width:100%;
  min-height:52px;
  display:inline-flex;
  align-items:center;
  justify-content:space-between;
  gap:1rem;
  padding:1rem 1.35rem;
  border:1px solid var(--limestone);
  border-radius:2px;
  font-family:var(--font-mono);
  font-size:.66rem;
  font-weight:500;
  letter-spacing:.24em;
  text-transform:uppercase;
  color:var(--limestone);
  overflow:hidden;
  isolation:isolate;
  transition:color .4s var(--ease);
}
.gate__submit::after{
  content:"";
  position:absolute; inset:0; z-index:-1;
  background:var(--limestone);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .5s var(--ease);
}
.gate__submit:hover::after,
.gate__submit:focus-visible::after{ transform:scaleX(1); }
.gate__submit:hover,
.gate__submit:focus-visible{ color:var(--abyss); }
.gate__submit svg{ width:16px; height:16px; flex:none; transition:transform .4s var(--ease); }
.gate__submit:hover svg{ transform:translateX(4px); }

/* panel states ------------------------------------------------------------- */
.gate__panel[data-state="error"]{ border-color:rgba(224,138,107,.55); animation:nudge .42s var(--ease); }
.gate__panel[data-state="error"]::before,
.gate__panel[data-state="error"]::after{ border-color:var(--alarm); opacity:1; }
.gate__panel[data-state="granted"]{ border-color:rgba(134,175,164,.6); }
.gate__panel[data-state="checking"] .gate__submit{ opacity:.6; pointer-events:none; }

@keyframes nudge{
  0%,100%{ transform:translateX(0); }
  22%{ transform:translateX(-7px); }
  46%{ transform:translateX(6px); }
  72%{ transform:translateX(-3px); }
}

/* footnote (not a site footer — a single operational line) ------------------ */
.gate__hint{
  margin:1.5rem 0 0;
  font-family:var(--font-mono);
  font-size:.6rem;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:rgba(134,175,164,.42);
  text-align:center;
}

/* --------------------------------------------------------------------------
   NO-JS
   -------------------------------------------------------------------------- */
.gate__noscript{
  margin-top:1.25rem;
  padding:1rem 1.15rem;
  border:1px solid rgba(224,138,107,.45);
  border-radius:2px;
  font-size:.84rem;
  line-height:1.6;
  color:var(--limestone);
}

/* --------------------------------------------------------------------------
   MOTION PREFERENCE
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce){
  .field__ring--a,.field__ring--b,.field__ring--c,.gate__label::before{ animation:none; }
  .gate__panel[data-state="error"]{ animation:none; }
  *,*::before,*::after{ transition-duration:.001ms!important; }
}

/* --------------------------------------------------------------------------
   SMALL SCREENS
   -------------------------------------------------------------------------- */
@media (max-width:420px){
  body{ padding:1rem; align-items:center; }
  .gate__input{ font-size:.95rem; letter-spacing:.18em; }
}
@media (max-height:620px){
  body{ align-items:center; overflow-y:auto; }
  .field__ring--a{ display:none; }
}