/* ---------- self-hosted fonts (no third-party requests) ---------- */
@font-face{
  font-family: 'Big Shoulders Display';
  src: url('../fonts/big-shoulders-display-600.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face{
  font-family: 'Big Shoulders Display';
  src: url('../fonts/big-shoulders-display-700.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face{
  font-family: 'Big Shoulders Display';
  src: url('../fonts/big-shoulders-display-800.woff2') format('woff2');
  font-weight: 800;
  font-style: normal;
  font-display: swap;
}
@font-face{
  font-family: 'Inter';
  src: url('../fonts/inter-400.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face{
  font-family: 'Inter';
  src: url('../fonts/inter-500.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face{
  font-family: 'Inter';
  src: url('../fonts/inter-600.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face{
  font-family: 'JetBrains Mono';
  src: url('../fonts/jetbrains-mono-400.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face{
  font-family: 'JetBrains Mono';
  src: url('../fonts/jetbrains-mono-500.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face{
  font-family: 'JetBrains Mono';
  src: url('../fonts/jetbrains-mono-600.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

:root{
  --void: #08080a;
  --void-2: #0d0e12;
  --shield-navy: #1b2030;
  --shield-navy-soft: #262c40;
  --flak-red: #e0283d;
  --flak-red-bright: #ff3b50;
  --flak-red-dim: #4a141d;
  --paper: #f3f2ee;
  --steel: #8891a3;
  --steel-dim: #565d6c;
  --ok-green: #3ddc84;
  --radius: 3px;
}

*{ margin:0; padding:0; box-sizing:border-box; -webkit-tap-highlight-color: transparent; }

html{ background:var(--void); -webkit-text-size-adjust: 100%; }

body{
  background:
    radial-gradient(ellipse 120% 70% at 50% -10%, rgba(224,40,61,0.07), transparent 60%),
    radial-gradient(ellipse 80% 50% at 85% 100%, rgba(38,44,64,0.35), transparent 60%),
    var(--void);
  color: var(--paper);
  font-family: 'Inter', -apple-system, sans-serif;
  min-height: 100vh;
  min-height: 100svh; /* iOS Safari dynamic viewport */
  overflow-x: hidden;
  position: relative;
}

/* faint noise/grain */
body::before{
  content:"";
  position: fixed; inset:0;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='120' height='120'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)' opacity='0.035'/></svg>");
  pointer-events: none;
  z-index: 1;
  mix-blend-mode: overlay;
}

/* drifting flak debris field */
.debris{
  position: fixed; inset:0;
  pointer-events:none;
  z-index: 0;
  overflow: hidden;
}
.debris span{
  position:absolute;
  display:block;
  background: var(--flak-red);
  opacity: .14;
  animation: drift linear infinite;
}
.debris span:nth-child(odd){ background: var(--shield-navy-soft); opacity:.22; }

@keyframes drift{
  0%   { transform: translate3d(0,0,0); }
  50%  { transform: translate3d(-14px, -22px, 0); }
  100% { transform: translate3d(0,0,0); }
}

.wrap{
  position: relative;
  z-index: 2;
  min-height: 100vh;
  min-height: 100svh;
  display:flex;
  flex-direction: column;
  align-items:center;
  justify-content: center;
  padding: 8vh 6vw 4vh;
  padding-left: max(6vw, env(safe-area-inset-left));
  padding-right: max(6vw, env(safe-area-inset-right));
}

/* ---------- hero lockup ---------- */
.lockup{
  width: min(420px, 60vw);
  margin-bottom: 2.6rem;
  opacity: 0;
  transform: translateY(14px) scale(.97);
  animation: rise .9s cubic-bezier(.16,.9,.3,1) .15s forwards;
}
.lockup img{ width:100%; height:auto; display:block; }

@keyframes rise{
  to{ opacity:1; transform: translateY(0) scale(1); }
}

.eyebrow{
  font-family:'JetBrains Mono', monospace;
  font-size: .72rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--flak-red-bright);
  margin-bottom: 1.1rem;
  opacity:0;
  animation: fadeIn .7s ease .5s forwards;
  display:flex;
  align-items:center;
  gap:.55em;
}
.eyebrow::before, .eyebrow::after{
  content:"";
  width: 22px; height:1px;
  background: var(--flak-red-dim);
}

h1{
  font-family:'Big Shoulders Display', sans-serif;
  font-weight: 800;
  font-style: normal;
  text-transform: uppercase;
  font-size: clamp(2.4rem, 7vw, 5rem);
  line-height: .94;
  letter-spacing: .005em;
  text-align:center;
  max-width: 13ch;
  color: var(--paper);
  opacity:0;
  animation: fadeUp .8s cubic-bezier(.16,.9,.3,1) .35s forwards;
}
h1 em{
  font-style: normal;
  color: var(--flak-red);
}

@keyframes fadeUp{
  from{ opacity:0; transform: translateY(10px); }
  to{ opacity:1; transform: translateY(0); }
}
@keyframes fadeIn{
  to{ opacity:1; }
}

.sub{
  margin-top: 1.35rem;
  max-width: 46ch;
  text-align:center;
  font-size: clamp(.96rem, 1.6vw, 1.08rem);
  line-height: 1.6;
  color: var(--steel);
  opacity:0;
  animation: fadeUp .8s cubic-bezier(.16,.9,.3,1) .55s forwards;
}
.sub strong{ color: var(--paper); font-weight:600; }

/* ---------- shared panel chrome (vault.cfk / relay.cfk) ---------- */
.panel{
  margin-top: 3rem;
  width: min(560px, 92vw);
  background: linear-gradient(180deg, rgba(27,32,48,.55), rgba(13,14,18,.85));
  border: 1px solid rgba(224,40,61,.18);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 30px 70px -25px rgba(0,0,0,.7), 0 0 0 1px rgba(255,255,255,.02) inset;
  opacity:0;
  animation: fadeUp .9s cubic-bezier(.16,.9,.3,1) .75s forwards;
}
.panel--form{ animation-delay: .95s; margin-top: 1.6rem; }

.panel-head{
  display:flex;
  align-items:center;
  gap:.8rem;
  padding: .7rem 1rem;
  background: rgba(0,0,0,.35);
  border-bottom: 1px solid rgba(255,255,255,.05);
}
.dots{ display:flex; gap:.4rem; }
.dots span{
  width:9px; height:9px; border-radius:50%;
  background: var(--steel-dim);
}
.panel-head .fname{
  font-family:'JetBrains Mono', monospace;
  font-size:.72rem;
  color: var(--steel);
  letter-spacing:.03em;
}

.panel-body{
  padding: 1.3rem 1.4rem 1.5rem;
  font-family:'JetBrains Mono', monospace;
  font-size: .82rem;
  line-height: 1.95;
}
.panel-body .ln{
  display:flex;
  white-space: pre;
}
.panel-body .num{
  width: 1.6rem;
  color: var(--steel-dim);
  user-select:none;
  flex-shrink:0;
}
.panel-body .code{ color: #c7cad3; }
.panel-body .kw{ color: var(--flak-red-bright); }
.panel-body .fn{ color: #9aa6ff; }

.blk{
  display:inline-block;
  background: var(--flak-red);
  border-radius: 2px;
  height: 1em;
  line-height: 1;
  transform: translateY(.17em);
  box-shadow: 0 0 10px rgba(224,40,61,.35);
  transition: background .25s ease, box-shadow .25s ease;
  vertical-align: baseline;
  overflow: hidden;
  color: transparent;
}
.blk .real{ opacity: 0; line-height: 1; }
.blk.reveal{ background: transparent; box-shadow:none; }
.blk.reveal .real{ opacity: 1; color:#c7cad3; }

/* ---------- status badge ---------- */
.status{
  margin-top: 2.4rem;
  display:inline-flex;
  align-items:center;
  gap:.6rem;
  padding: .55rem 1.1rem;
  border: 1px solid var(--flak-red-dim);
  border-radius: 999px;
  font-family:'JetBrains Mono', monospace;
  font-size: .72rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--paper);
  background: rgba(224,40,61,.06);
  opacity:0;
  animation: fadeUp .8s cubic-bezier(.16,.9,.3,1) .9s forwards;
}
.status .dot{
  width:7px; height:7px; border-radius:50%;
  background: var(--flak-red-bright);
  box-shadow: 0 0 8px var(--flak-red-bright);
  animation: pulse 1.8s ease-in-out infinite;
}
@keyframes pulse{
  0%, 100%{ opacity:1; transform:scale(1); }
  50%{ opacity:.35; transform:scale(.78); }
}

/* ---------- relay form ---------- */
.panel-body--form{ padding: 1.4rem 1.5rem 1.6rem; }

#relayForm{ display:flex; flex-direction:column; gap: 1rem; }

/* honeypot: visually and structurally hidden, but present in the DOM for bots that fill blindly */
.trap{
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.field{ display:flex; flex-direction:column; gap:.45rem; }

.field label{
  font-family:'JetBrains Mono', monospace;
  font-size: .72rem;
  letter-spacing: .04em;
  color: var(--steel);
}

.field input,
.field textarea{
  font-family: 'Inter', -apple-system, sans-serif;
  font-size: 16px; /* prevents iOS auto-zoom on focus */
  line-height: 1.4;
  color: var(--paper);
  background: rgba(0,0,0,.32);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 6px;
  padding: .7rem .8rem;
  width: 100%;
  appearance: none;
  -webkit-appearance: none;
  outline: none;
  transition: border-color .2s ease, box-shadow .2s ease;
}

.field textarea{ resize: vertical; min-height: 5.5rem; font-family: 'Inter', -apple-system, sans-serif; }

.field input:focus,
.field textarea:focus{
  border-color: var(--flak-red);
  box-shadow: 0 0 0 3px rgba(224,40,61,.18);
}

.field input::placeholder,
.field textarea::placeholder{ color: var(--steel-dim); }

#relaySubmit{
  position: relative;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.6rem;
  margin-top: .3rem;
  padding: .85rem 1.4rem;
  min-height: 48px; /* comfortable iOS tap target */
  border: 1px solid var(--flak-red);
  border-radius: 8px;
  background: rgba(224,40,61,.1);
  color: var(--paper);
  font-family: 'JetBrains Mono', monospace;
  font-size: .88rem;
  letter-spacing: .04em;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  touch-action: manipulation;
  transition: background .2s ease, border-color .2s ease, transform .1s ease;
}
#relaySubmit:hover{ background: rgba(224,40,61,.18); }
#relaySubmit:active{ transform: scale(.98); }
#relaySubmit:focus-visible{ outline: 2px solid var(--flak-red-bright); outline-offset: 3px; }
#relaySubmit:disabled{ opacity: .6; cursor: default; }

.btn-spin{
  display:none;
  width: 14px; height:14px;
  border-radius: 50%;
  border: 2px solid rgba(243,242,238,.25);
  border-top-color: var(--paper);
  animation: spin .7s linear infinite;
}
#relaySubmit.loading .btn-label{ opacity: .55; }
#relaySubmit.loading .btn-spin{ display:inline-block; }

@keyframes spin{ to{ transform: rotate(360deg); } }

.relay-note{
  min-height: 1.2em;
  font-family: 'JetBrains Mono', monospace;
  font-size: .78rem;
  letter-spacing: .02em;
  color: var(--steel);
}
.relay-note.ok{ color: var(--ok-green); }
.relay-note.err{ color: var(--flak-red-bright); }

/* ---------- footer ---------- */
footer{
  position: relative;
  z-index:2;
  border-top: 1px solid rgba(224,40,61,.12);
  padding: 1.4rem 6vw;
  padding-bottom: max(1.4rem, env(safe-area-inset-bottom));
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  font-family:'JetBrains Mono', monospace;
  font-size: .68rem;
  letter-spacing: .04em;
  color: var(--steel-dim);
}
footer .brand{
  display:flex; align-items:center; gap:.55rem;
  color: var(--steel);
}
footer img{ width: 18px; height: auto; opacity:.85; }
footer .tag{ color: var(--steel-dim); }

a{ color: inherit; }

@media (max-width: 520px){
  .panel-body{ font-size:.72rem; }
  footer{ flex-direction: column; text-align:center; }
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: 0.001s !important; animation-iteration-count: 1 !important; }
  .debris span{ transition:none !important; }
  .lockup, .eyebrow, h1, .sub, .panel, .status{ opacity:1 !important; transform:none !important; }
}