/* ==========================================================================
   RADIUS Brand — design tokens
   Mirrors variables and base typography from Brand_Guidelines.html
   Load BEFORE app.css.
   ========================================================================== */

:root {
  --blue:      #5374fa;
  --blue-2:    #869efa;
  --blue-3:    #bac7fd;
  --blue-4:    #e6e9fe;
  --navy:      #132840;
  --navy-2:    #0d1e30;
  --navy-3:    #1a3350;
  --gray:      #5b6979;
  --off:       #efece8;
  --light-1:   #f4f1ef;
  --light-2:   #f9f6f5;
  --near-white:#fdfbfa;

  --border-dark:  rgba(131,158,250,0.18);
  --border-light: rgba(19,40,64,0.10);

  --display: 'Bricolage Grotesque', sans-serif;
  --body:    'Work Sans', sans-serif;
  --mono:    'DM Mono', monospace;

  /* status hues used in app */
  --ok:    #2f9e6b;
  --warn:  #c98a17;
  --err:   #c14242;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--body);
  background: var(--off);
  color: var(--navy);
  font-size: 15px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Typography utilities ---------------------------------------------------- */
.eyebrow {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--blue);
}
.h-display {
  font-family: var(--display);
  font-weight: 300;
  font-size: clamp(42px, 5.5vw, 72px);
  letter-spacing: -0.03em;
  line-height: 0.95;
}
.h-display em { font-style: italic; color: var(--blue); font-weight: 300; }
h1, h2, h3, h4, h5 { font-family: var(--display); font-weight: 500; letter-spacing: -0.01em; }
h1 { font-size: 36px; }
h2 { font-size: 28px; }
h3 { font-size: 20px; }
h4 { font-size: 16px; }
.mono { font-family: var(--mono); }
strong { color: var(--navy); font-weight: 600; }

/* Layout shells ----------------------------------------------------------- */
.page { max-width: 1280px; margin: 0 auto; padding: 0 56px; }
.page-narrow { max-width: 640px; margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; border-bottom: 1px solid var(--border-light); }
.section.dark { background: var(--navy); color: var(--off); border-bottom-color: var(--border-dark); }
.section.dark p { color: rgba(239,236,232,0.7); }

/* Topbar ------------------------------------------------------------------ */
.topbar {
  position: sticky; top: 0; z-index: 100;
  background: rgba(239,236,232,0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-light);
}
.topbar .inner {
  max-width: 1280px; margin: 0 auto;
  padding: 16px 56px;
  display: flex; align-items: center; justify-content: space-between; gap: 32px;
}
.topbar-logo { display: flex; align-items: center; gap: 14px; }
.topbar-logo svg { width: 22px; height: auto; }
.topbar-logo .sep { width: 1px; height: 20px; background: var(--border-light); }
.topbar-logo .product {
  font-family: var(--display); font-weight: 500; font-size: 15px;
  letter-spacing: -0.01em; color: var(--navy);
}
.topbar-logo .lab {
  font-family: var(--mono); font-size: 10px;
  letter-spacing: 0.22em; text-transform: uppercase; color: var(--gray);
}
.topnav { display: flex; gap: 24px; }
.topnav a {
  font-family: var(--mono); font-size: 10.5px;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--gray); text-decoration: none;
  transition: color .15s;
}
.topnav a:hover, .topnav a.active { color: var(--blue); text-decoration: none; }
.topbar-right { display: flex; align-items: center; gap: 16px; }
.topbar-user {
  font-family: var(--mono); font-size: 10.5px;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--gray);
}

/* Buttons ----------------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.18em; text-transform: uppercase;
  padding: 12px 22px;
  border: 1px solid var(--navy);
  background: var(--navy); color: var(--off);
  cursor: pointer;
  transition: background .15s, border-color .15s, color .15s;
  text-decoration: none;
}
.btn:hover { background: var(--blue); border-color: var(--blue); color: var(--off); text-decoration: none; }
.btn.secondary {
  background: transparent; color: var(--navy); border-color: var(--navy);
}
.btn.secondary:hover { background: var(--navy); color: var(--off); }
.btn.ghost {
  background: transparent; color: var(--gray); border-color: var(--border-light);
}
.btn.ghost:hover { color: var(--navy); border-color: var(--navy); background: transparent; }
.btn.blue { background: var(--blue); border-color: var(--blue); }
.btn.blue:hover { background: var(--navy); border-color: var(--navy); }
.btn.danger { background: transparent; border-color: var(--err); color: var(--err); }
.btn.danger:hover { background: var(--err); color: #fff; }
.btn[disabled], .btn.disabled { opacity: 0.45; pointer-events: none; }

/* Pills, tags ------------------------------------------------------------- */
.pill {
  display: inline-block;
  font-family: var(--mono); font-size: 9.5px;
  letter-spacing: 0.18em; text-transform: uppercase;
  padding: 6px 12px;
  border: 1px solid var(--border-light);
  color: var(--gray);
  background: transparent;
}
.pill.blue   { color: var(--blue);  border-color: rgba(83,116,250,0.4); }
.pill.ok     { color: var(--ok);    border-color: rgba(47,158,107,0.4); }
.pill.warn   { color: var(--warn);  border-color: rgba(201,138,23,0.4); }
.pill.err    { color: var(--err);   border-color: rgba(193,66,66,0.4); }
.pill.solid  { background: var(--navy); color: var(--off); border-color: var(--navy); }

/* Forms ------------------------------------------------------------------- */
label {
  display: block;
  font-family: var(--mono); font-size: 10px;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 8px;
}
input[type="text"], input[type="email"], input[type="password"],
input[type="number"], textarea, select {
  width: 100%;
  font-family: var(--body); font-size: 15px;
  color: var(--navy);
  background: #fff;
  border: 1px solid var(--border-light);
  padding: 12px 14px;
  border-radius: 0;
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}
input:focus, textarea:focus, select:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(83,116,250,0.12);
}
textarea { min-height: 120px; resize: vertical; line-height: 1.55; }
.field { margin-bottom: 20px; }
.field-help {
  font-size: 12.5px; color: var(--gray);
  margin-top: 6px;
}
.field-error {
  font-family: var(--mono); font-size: 11px;
  color: var(--err); margin-top: 6px;
  letter-spacing: 0.06em;
}

/* Cards / panels ---------------------------------------------------------- */
.card {
  background: #fff;
  border: 1px solid var(--border-light);
  padding: 32px;
}
.card.flat { background: var(--light-1); }
.card.dark { background: var(--navy); color: var(--off); border-color: var(--border-dark); }
.card-head {
  display: flex; align-items: baseline; justify-content: space-between; gap: 16px;
  margin-bottom: 18px; padding-bottom: 14px;
  border-bottom: 1px solid var(--border-light);
}
.card-head .eyebrow { margin-bottom: 0; }

/* Alerts ------------------------------------------------------------------ */
.alert {
  padding: 14px 18px;
  border-left: 3px solid var(--blue);
  background: var(--blue-4);
  font-size: 14px;
  margin-bottom: 24px;
  color: var(--navy);
}
.alert.err  { border-left-color: var(--err);  background: rgba(193,66,66,0.08); }
.alert.warn { border-left-color: var(--warn); background: rgba(201,138,23,0.08); }
.alert.ok   { border-left-color: var(--ok);   background: rgba(47,158,107,0.08); }

/* Footer ------------------------------------------------------------------ */
.footer {
  background: var(--navy-2); color: var(--off);
  padding: 56px 0 32px;
}
.footer .page { display: flex; flex-direction: column; gap: 32px; }
.footer-mark {
  font-family: var(--display); font-weight: 300;
  font-size: 56px; letter-spacing: -0.04em; line-height: 0.9;
}
.footer-mark .dot { color: var(--blue-2); }
.footer-bot {
  border-top: 1px solid var(--border-dark);
  padding-top: 24px;
  display: flex; justify-content: space-between;
  font-family: var(--mono); font-size: 10px;
  letter-spacing: 0.2em; color: var(--gray); text-transform: uppercase;
}

/* Responsive ------------------------------------------------------------- */
@media (max-width: 900px) {
  .topbar .inner { padding: 14px 24px; }
  .topnav { display: none; }
  .page { padding: 0 24px; }
}