/* ============================================================
   Joint Baruch Resolve — cold HUD design system
   Shared tokens, base styles, and components across gate/map/nodes
   ============================================================ */
:root{
  --bg:#090c0f;
  --bg-alt:#0d1116;
  --surface:#121820;
  --surface-2:#182029;
  --text:#e7edf2;
  --muted:#8b98a3;
  --muted-2:#57626b;
  --border:rgba(150,190,220,0.13);
  --border-strong:rgba(150,190,220,0.24);

  --accent:#3ea6ff;
  --accent-2:#7cc4ff;
  --on-accent:#04121d;

  --brass:#c08a3e;
  --brass-2:#e2ac62;
  --on-brass:#171208;

  --success:#5fd0a0;
  --error:#ff6b6b;

  --radius:2px;
  --font-display:'Rajdhani',system-ui,-apple-system,sans-serif;
  --font-body:'Barlow',system-ui,-apple-system,sans-serif;
  --font-stencil:'Big Shoulders Stencil',system-ui,sans-serif;
  --font-mono:'JetBrains Mono',ui-monospace,'SFMono-Regular',Menlo,monospace;

  --wrap:1280px;
  --pad:clamp(20px,4vw,64px);

  color-scheme:dark;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
@media (prefers-reduced-motion:reduce){ html{scroll-behavior:auto;} }

body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer;}
input,textarea{font:inherit;color:inherit;}
h1,h2,h3,p{margin:0;}
ul{margin:0;padding:0;list-style:none;}

h1,h2,h3{font-family:var(--font-display);font-weight:700;letter-spacing:-.01em;}
.mono{font-family:var(--font-mono);letter-spacing:.04em;}
.stencil{font-family:var(--font-stencil);font-weight:400;letter-spacing:.06em;text-transform:uppercase;}
.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:var(--pad);}

a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,[tabindex]:focus-visible{
  outline:2px solid var(--accent);outline-offset:3px;border-radius:2px;
}

.skip-link{
  position:absolute;left:12px;top:-60px;background:var(--accent);color:var(--on-accent);
  padding:10px 16px;border-radius:var(--radius);z-index:200;font-size:14px;font-weight:600;
  transition:top .2s ease;
}
.skip-link:focus{top:12px;}

/* ============================================================
   Grid-line HUD motif — the recurring visual signature
   ============================================================ */
.hud-grid{
  position:absolute;inset:0;pointer-events:none;opacity:.35;
}
.hud-grid svg{width:100%;height:100%;}
.hud-grid line{stroke:var(--accent);stroke-width:.5;}
.hud-grid .tick{stroke:var(--border-strong);stroke-width:.3;}

.corner-brackets{position:absolute;inset:24px;pointer-events:none;opacity:.5;}
.corner-brackets span{position:absolute;width:22px;height:22px;border:1px solid var(--accent-2);}
.corner-brackets span:nth-child(1){top:0;left:0;border-width:1px 0 0 1px;}
.corner-brackets span:nth-child(2){top:0;right:0;border-width:1px 1px 0 0;}
.corner-brackets span:nth-child(3){bottom:0;left:0;border-width:0 0 1px 1px;}
.corner-brackets span:nth-child(4){bottom:0;right:0;border-width:0 1px 1px 0;}

/* ============================================================
   Buttons
   ============================================================ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding-inline:26px;border-radius:var(--radius);
  background:var(--brass);color:var(--on-brass);font-weight:700;font-size:14px;font-family:var(--font-body);
  letter-spacing:.02em;transition:background .2s ease,transform .2s ease;
}
.btn:hover{background:var(--brass-2);transform:translateY(-1px);}
.btn-outline{
  background:transparent;color:var(--text);border:1px solid var(--border-strong);
}
.btn-outline:hover{border-color:var(--accent);color:var(--accent-2);background:rgba(62,166,255,0.06);}
.btn-ghost{
  background:transparent;color:var(--accent-2);border:1px solid var(--accent);
}
.btn-ghost:hover{background:rgba(62,166,255,.1);}

/* ============================================================
   Shared node-page header
   ============================================================ */
.node-header{
  position:sticky;top:0;z-index:100;background:rgba(9,12,15,.82);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
}
.node-header-inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:20px;}
.node-back{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--muted);transition:color .2s ease;}
.node-back:hover{color:var(--accent-2);}
.node-back .arrow{color:var(--accent);}
.node-id{color:var(--accent-2);font-size:11px;letter-spacing:.1em;}
.node-wordmark{display:flex;align-items:center;gap:10px;font-weight:700;font-size:12.5px;letter-spacing:.05em;font-family:var(--font-display);text-transform:uppercase;}
.node-wordmark .mark{width:22px;height:22px;flex:none;color:var(--text);}

/* ============================================================
   Section rhythm (node pages)
   ============================================================ */
.node-section{padding-block:clamp(64px,9vw,120px);border-bottom:1px solid var(--border);position:relative;}
.node-section:last-of-type{border-bottom:none;}
.section-tag{color:var(--accent-2);font-size:12px;margin-block-end:16px;}
.node-section h2{font-size:clamp(28px,4vw,52px);line-height:1.1;max-width:20ch;}
.section-lede{color:var(--muted);font-size:clamp(15px,1.6vw,18px);max-width:56ch;margin-block-start:18px;}

/* ============================================================
   Spec / checklist rows (shared across nodes)
   ============================================================ */
.spec-table{border-top:1px solid var(--border);}
.spec-row{display:flex;justify-content:space-between;gap:16px;padding:13px 0;border-bottom:1px solid var(--border);font-size:12.5px;}
.spec-row .k{color:var(--muted-2);}
.spec-row .v{color:var(--text);font-weight:500;}

.check-list{display:flex;flex-direction:column;gap:0;border-top:1px solid var(--border);}
.check-list li{display:flex;gap:16px;align-items:flex-start;padding:18px 0;border-bottom:1px solid var(--border);}
.check-list .idx{flex:none;width:26px;height:26px;border:1px solid var(--accent);border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--accent-2);font-family:var(--font-mono);font-size:11px;}
.check-list p{color:var(--text);font-size:15px;line-height:1.5;padding-top:2px;}

/* ============================================================
   Forms
   ============================================================ */
form{display:flex;flex-direction:column;gap:18px;}
.hp-field{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden;}
.field{display:flex;flex-direction:column;gap:8px;}
.field label{font-size:12.5px;color:var(--muted);font-weight:500;}
.field input,.field textarea,.field select{
  background:var(--surface);border:1px solid var(--border-strong);border-radius:var(--radius);
  padding:13px 14px;min-height:48px;font-family:var(--font-body);transition:border-color .2s ease,background .2s ease;
}
.field textarea{resize:vertical;min-height:110px;}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--accent);background:var(--surface-2);outline:none;}
.form-msg{font-size:14px;padding:14px 16px;border-radius:var(--radius);margin:0;}
.form-msg.success{background:rgba(95,208,160,.1);color:var(--success);border:1px solid rgba(95,208,160,.3);}
.form-msg.error{background:rgba(255,107,107,.1);color:var(--error);border:1px solid rgba(255,107,107,.3);}

/* ============================================================
   Footer
   ============================================================ */
footer{padding:32px var(--pad);border-top:1px solid var(--border);}
.footer-inner{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;font-size:11px;color:var(--muted-2);}
.footer-inner .node-wordmark{font-size:12px;color:var(--muted);}

/* ============================================================
   Scroll reveal base
   ============================================================ */
.reveal{will-change:transform,opacity;}
@media (prefers-reduced-motion:reduce){ .reveal{opacity:1 !important;transform:none !important;} }