/* B21 customer-facing form chrome.
   Shared by /book/, /press/, /fans/submit, /demos/submit. The per-feature
   <style> blocks add bespoke fields (file-drop, consent rows, radio cards,
   etc.) on top of this base. When the brand changes, edit this file once.

   Palette + typography sourced from CLAUDE.md's Design system section.
*/

:root {
  --ink:        #0a0a0a;
  --cream:      #f3ede0;
  --gold:       #d4af37;
  --gold-deep:  #8a7028;
  --gold-cream: #f5deb3;
  --rule:       rgba(245,239,224,0.14);
  --ok:         #2ec850;
  --ok-tint:    #80e898;
  --err:        #ff2e1f;
  --err-tint:   #ffa090;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { background: var(--ink); color: var(--cream); }
body {
  font-family: 'IBM Plex Sans', system-ui, sans-serif;
  min-height: 100vh;
  padding: 40px 20px 80px;
  line-height: 1.55;
}

/* === Wrapper ============================================================ *
 * Default 640px for single-column forms. Per-feature CSS can override:
 *   .wrap { max-width: 720px; }   /* /book/ multi-section form *\/
 *   .wrap { max-width: 520px; }   /* /press/ sign-in           *\/
 */
.wrap { width: 100%; max-width: 640px; margin: 0 auto; }

/* === Anniversary signature header ====================================== */
header.h { text-align: center; margin-bottom: 36px; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 12px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 14px;
}
.eyebrow::before, .eyebrow::after {
  content: ""; width: 30px; height: 1px; background: var(--gold);
}

h1.b21-form-h1 {
  font-family: 'Big Shoulders Display', sans-serif;
  font-weight: 900;
  font-size: clamp(40px, 8vw, 64px);
  text-transform: uppercase;
  line-height: 0.9;
  letter-spacing: -0.005em;
}
h1.b21-form-h1 .g { color: var(--gold); }

.tagline {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 19px;
  line-height: 1.45;
  color: var(--gold);
  margin: 12px auto 0;
  max-width: 540px;
}

/* === Form fields ======================================================= */
.field { margin-bottom: 14px; }

label, .field-label {
  display: block;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 6px;
}
label .opt {
  font-weight: 400; opacity: 0.55; letter-spacing: 0.1em;
  margin-left: 6px; text-transform: none;
}
.field-hint {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px; letter-spacing: 0.08em;
  opacity: 0.55; margin-top: 6px;
}

input[type="text"], input[type="email"], input[type="tel"],
input[type="password"], input[type="number"], input[type="date"],
input[type="time"], input[type="url"], textarea, select {
  width: 100%;
  background: rgba(0,0,0,0.55);
  border: 1px solid rgba(245,239,224,0.18);
  color: var(--cream);
  padding: 12px 13px;
  font-family: inherit; font-size: 14px;
  border-radius: 2px;
  color-scheme: dark;
}
textarea { resize: vertical; min-height: 100px; line-height: 1.5; }

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 1px var(--gold);
}

/* Style the native date / time picker indicator on Chrome / iOS Safari so
   it reads on the dark surface. */
input[type="date"]::-webkit-calendar-picker-indicator,
input[type="time"]::-webkit-calendar-picker-indicator {
  filter: invert(82%) sepia(38%) saturate(620%) hue-rotate(7deg) brightness(94%);
  cursor: pointer;
}

/* === Submit / primary positive button ================================== */
button[type="submit"], .b21-form-btn {
  display: inline-block;
  width: 100%;
  background: var(--gold);
  color: var(--ink);
  border: 3px solid var(--gold);
  padding: 16px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.2s;
  border-radius: 2px;
  text-decoration: none;
  text-align: center;
}
button[type="submit"]:hover, .b21-form-btn:hover {
  background: var(--cream);
  border-color: var(--cream);
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0 var(--gold-deep);
}
button[type="submit"]:disabled {
  opacity: 0.5; cursor: wait;
  transform: none; box-shadow: none;
}

/* Secondary button used by sign-in / request-access dual-panel layouts */
.b21-form-btn-alt {
  background: transparent;
  color: var(--gold);
  border-color: var(--gold);
}
.b21-form-btn-alt:hover {
  background: var(--gold);
  color: var(--ink);
  box-shadow: 4px 4px 0 var(--gold-deep);
}

/* === Alerts =========================================================== */
.alert, .err, .ok {
  padding: 12px 14px;
  margin-bottom: 16px;
  font-size: 14px;
  border-left: 3px solid;
  border-radius: 2px;
}
.alert.err, .err {
  background: rgba(255,46,31,0.12);
  border-color: var(--err);
  color: var(--err-tint);
}
.alert.ok, .ok {
  background: rgba(46,200,80,0.10);
  border-color: var(--ok);
  color: var(--ok-tint);
}

/* === Confirmation panel (replaces form after a successful submission) === */
.thanks {
  background: rgba(212,175,55,0.06);
  border: 1px solid rgba(212,175,55,0.5);
  padding: 28px 26px;
}
.thanks .num {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 8px;
}
.thanks h2 {
  font-family: 'Big Shoulders Display', sans-serif;
  font-weight: 900; font-size: 28px;
  text-transform: uppercase; line-height: 0.95;
  margin-bottom: 12px;
}
.thanks p, .thanks .deck {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic; font-size: 17px; line-height: 1.55;
  margin-bottom: 12px;
}

/* === Back-to-home link at footer ======================================= */
.b21-form-back {
  text-align: center;
  margin-top: 24px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px; letter-spacing: 0.22em; text-transform: uppercase;
  opacity: 0.7;
}
.b21-form-back a {
  color: var(--cream);
  text-decoration: underline;
  text-underline-offset: 4px;
}
.b21-form-back a:hover { color: var(--gold); }
.b21-form-back .dot { opacity: 0.4; }

/* === Honeypot (visually hidden but accessible to bots) ================= */
.hp {
  position: absolute; left: -10000px; top: auto;
  width: 1px; height: 1px; overflow: hidden;
}

/* === Mobile parity ==================================================== */
@media (max-width: 600px) {
  body { padding: 28px 16px 60px; }
  header.h { margin-bottom: 28px; }
  h1.b21-form-h1 { font-size: clamp(34px, 9vw, 56px); }
  .tagline { font-size: 17px; }
}