/* Purpose: the object library - brass hardware, buttons, plates, documents,
   the discreet navigation, the progress mechanism, the pointer, and the form
   controls used at the calm end of the page. */

/* ===============================================================
   Brass plate button - an engraved door pull, not a web button
   =============================================================== */

.pull {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--space-12);
  min-height: var(--space-56);
  padding: var(--space-16) var(--space-24) var(--space-16) var(--space-20);
  border: 0;
  border-radius: var(--r-sm);
  background: var(--surface-brass);
  background-size: 220% 100%;
  background-position: 0% 50%;
  color: #17130A;
  font-family: var(--font-display);
  font-variation-settings: 'wdth' 96, 'wght' var(--wght-cta);
  font-size: var(--fs-16);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  box-shadow: var(--shadow-inset-brass), var(--shadow-lift);
  transition: background-position var(--dur-slow) var(--ease-editorial),
              transform var(--dur-fast) var(--ease-ui),
              box-shadow var(--dur-base) var(--ease-ui);
}

.pull:hover { background-position: 100% 50%; box-shadow: var(--shadow-inset-brass), var(--shadow-object); }
.pull:active { transform: translateY(1px); }
.pull:focus-visible { outline: 2px solid var(--c-brass-hi); outline-offset: 4px; }

/* The keyhole detail machined into the plate, which reacts on hover. */
.pull__keyhole {
  display: grid;
  place-items: center;
  width: var(--space-24);
  height: var(--space-24);
  border-radius: var(--r-full);
  background: rgba(23, 19, 10, 0.16);
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.5);
  transition: transform var(--dur-slow) var(--ease-mech);
}

.pull:hover .pull__keyhole { transform: rotate(-18deg); }
.pull__label { position: relative; top: 1px; }
.pull__arrow { transition: transform var(--dur-base) var(--ease-ui); }
.pull:hover .pull__arrow { transform: translateX(var(--space-4)); }

/* A quieter secondary action. */
.pull--ghost {
  background: transparent;
  border: 1px solid var(--c-hairline-strong);
  color: var(--c-brass);
  box-shadow: none;
}

.pull--ghost:hover { background: rgba(198, 151, 73, 0.08); border-color: var(--c-brass); box-shadow: none; }

/* At the application the button drops all theatre and becomes plain and final. */
.pull--final {
  width: 100%;
  justify-content: space-between;
  background: var(--c-paper-ink);
  background-size: 100% 100%;
  color: var(--c-ivory);
  box-shadow: none;
  border-radius: var(--r-sm);
  letter-spacing: 0.08em;
}

.pull--final:hover { background: #000; box-shadow: none; }
.pull--final:disabled { opacity: 0.5; cursor: default; }
.pull--final .pull__keyhole { background: rgba(255, 255, 255, 0.1); box-shadow: none; }

.btn-quiet {
  padding: var(--space-8) 0;
  border: 0;
  background: none;
  color: var(--c-dim);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: var(--tracking-meta);
  text-transform: uppercase;
  cursor: pointer;
  transition: color var(--dur-fast) var(--ease-ui);
}

.btn-quiet:hover { color: var(--accent); }

/* ===============================================================
   Brass surfaces - plates, seams, engraving
   =============================================================== */

.brass {
  background: var(--surface-brass);
  box-shadow: var(--shadow-inset-brass);
}

/* Engraved text: cut into the metal rather than printed on it. */
.engraved {
  color: #4A3714;
  text-shadow: 0 1px 0 rgba(255, 235, 190, 0.4), 0 -1px 1px rgba(0, 0, 0, 0.45);
}

/* A moving highlight that tracks the pointer across a brass surface. */
.brass--reactive {
  position: relative;
  overflow: hidden;
}

.brass--reactive::after {
  content: "";
  position: absolute;
  inset: -40%;
  background: radial-gradient(28% 45% at var(--mx, 50%) var(--my, 50%), rgba(255, 246, 214, 0.5), transparent 62%);
  opacity: 0;
  transition: opacity var(--dur-slow) var(--ease-ui);
  pointer-events: none;
}

.brass--reactive:hover::after { opacity: 1; }

.seam {
  width: 2px;
  background: linear-gradient(180deg, transparent, var(--c-brass-hi) 22%, var(--c-brass-hi) 78%, transparent);
  box-shadow: 0 0 32px 4px rgba(232, 200, 137, 0.35);
}

/* ===============================================================
   Documents - correspondence and dossiers
   =============================================================== */

.sheet {
  position: relative;
  background: var(--c-paper);
  color: var(--c-paper-ink);
  border-radius: var(--r-sm);
  padding: var(--space-24);
  box-shadow: var(--shadow-paper);
}

@media (min-width: 768px) { .sheet { padding: var(--space-48); } }

.sheet p { color: var(--c-paper-ink-2); }
.sheet strong { color: var(--c-paper-ink); }

.sheet__meta {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-12);
  padding-bottom: var(--space-16);
  margin-bottom: var(--space-24);
  border-bottom: 1px solid rgba(20, 22, 26, 0.18);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: var(--tracking-meta);
  text-transform: uppercase;
  color: var(--c-brass-ink);
}

.sheet--quiet { box-shadow: none; background: var(--c-ivory); border: 1px solid var(--c-paper-line); }

/* A brass paper clip holding a document. */
.clip {
  position: absolute;
  top: calc(-1 * var(--space-16));
  left: var(--space-40);
  width: var(--space-24);
  height: var(--space-56);
  border: 2px solid var(--c-brass);
  border-radius: var(--space-12);
  border-bottom-color: transparent;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.45);
}

/* A stamp that hits the page once, when the document arrives. */
.stamp {
  position: absolute;
  display: grid;
  place-items: center;
  gap: var(--space-4);
  padding: var(--space-8) var(--space-16);
  border: 2px solid var(--c-oxblood);
  border-radius: var(--r-sm);
  color: var(--c-oxblood);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  font-weight: 500;
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  opacity: 0.72;
  transform: rotate(-8deg) scale(2.4);
  mix-blend-mode: multiply;
}

.stamp.is-struck { animation: cdm-stamp 520ms var(--ease-mech) forwards; }

@keyframes cdm-stamp {
  0% { transform: rotate(-8deg) scale(2.4); opacity: 0; }
  62% { transform: rotate(-8deg) scale(0.96); opacity: 0.9; }
  78% { transform: rotate(-8deg) scale(1.03); }
  100% { transform: rotate(-8deg) scale(1); opacity: 0.72; }
}

/* ===============================================================
   Discreet navigation - a corner mark and one action
   =============================================================== */

.beacon {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-16) var(--container-pad);
  /* A shallow veil so the mark and the action stay legible over any chapter. */
  background: linear-gradient(180deg, rgba(9, 10, 12, 0.4) 0%, rgba(9, 10, 12, 0.24) 62%, transparent 100%);
  backdrop-filter: blur(2px);
  pointer-events: none;
  opacity: 0;
  transform: translateY(calc(-1 * var(--space-16)));
  transition: opacity var(--dur-slow) var(--ease-editorial),
              transform var(--dur-slow) var(--ease-editorial);
}

body.is-past-hero .beacon { opacity: 1; transform: none; }

.beacon__mark {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  pointer-events: auto;
  text-decoration: none;
  color: var(--accent);
}

.beacon__mark img { height: var(--space-40); width: auto; }

.beacon__word {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
}

.beacon__action {
  pointer-events: auto;
  display: inline-flex;
  align-items: center;
  gap: var(--space-8);
  padding: var(--space-8) var(--space-12);
  border: 1px solid var(--c-hairline-strong);
  border-radius: var(--r-sm);
  background: rgba(9, 10, 12, 0.6);
  backdrop-filter: blur(8px);
  color: var(--c-brass);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: var(--tracking-meta);
  text-transform: uppercase;
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-ui), border-color var(--dur-fast) var(--ease-ui);
}

.beacon__action:hover { color: var(--c-brass-hi); border-color: var(--c-brass); }

body.is-calm .beacon { opacity: 0; pointer-events: none; }

/* ===============================================================
   Progress: a lock mechanism that completes as the page is read
   =============================================================== */

.progress {
  position: fixed;
  right: var(--space-24);
  bottom: var(--space-24);
  z-index: var(--z-nav);
  width: var(--space-40);
  height: var(--space-40);
  display: grid;
  place-items: center;
  opacity: 0;
  transition: opacity var(--dur-slow) var(--ease-editorial);
  pointer-events: none;
}

body.is-past-hero .progress { opacity: 1; }
body.is-calm .progress { opacity: 0; }

.progress__ring { position: absolute; inset: 0; transform: rotate(-90deg); }
.progress__track { stroke: rgba(198, 151, 73, 0.18); }
.progress__value { stroke: var(--c-brass); stroke-dasharray: 100; stroke-dashoffset: calc(100 - var(--p, 0) * 1px); }
.progress__key { color: var(--c-brass); transform: rotate(calc(var(--p, 0) * 1.8deg)); transition: transform var(--dur-base) linear; }

@media (max-width: 899px) { .progress { display: none; } }

/* ===============================================================
   Pointer - desktop only, and never over the application
   =============================================================== */

.cursor {
  position: fixed;
  top: 0;
  left: 0;
  z-index: var(--z-cursor);
  display: grid;
  place-items: center;
  width: var(--space-64);
  height: var(--space-64);
  margin: calc(-1 * var(--space-32)) 0 0 calc(-1 * var(--space-32));
  border-radius: var(--r-full);
  border: 1px solid var(--c-hairline-strong);
  background: rgba(9, 10, 12, 0.45);
  backdrop-filter: blur(2px);
  color: var(--c-brass-hi);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: var(--tracking-meta);
  text-transform: uppercase;
  opacity: 0;
  transform: scale(0.6);
  transition: opacity var(--dur-base) var(--ease-ui), transform var(--dur-base) var(--ease-settle);
  pointer-events: none;
  will-change: transform;
}

.cursor.is-on { opacity: 1; transform: scale(1); }
body.is-calm .cursor { opacity: 0 !important; }

@media (hover: none), (pointer: coarse) { .cursor { display: none; } }

/* ===============================================================
   Sticky invite dock - mobile only
   =============================================================== */

.dock {
  position: fixed;
  inset-inline: 0;
  bottom: 0;
  z-index: var(--z-dock);
  display: none;
  padding: var(--space-12) var(--container-pad) calc(var(--space-12) + var(--safe-b));
  background: rgba(9, 10, 12, 0.94);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--c-hairline-strong);
  transform: translateY(112%);
  transition: transform var(--dur-slow) var(--ease-editorial);
}

.dock.is-on { transform: translateY(0); }
.dock .pull { width: 100%; justify-content: center; }

.dock__note {
  margin: 0 0 var(--space-8);
  text-align: center;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: var(--tracking-meta);
  text-transform: uppercase;
  color: var(--c-dim);
}

@media (max-width: 899px) { .dock { display: block; } }

/* ===============================================================
   Form controls - ivory, calm, editorial
   =============================================================== */

.q {
  display: grid;
  grid-template-columns: var(--space-40) 1fr;
  gap: var(--space-8) var(--space-16);
  padding-block: var(--space-24) var(--space-32);
}

.q + .q { border-top: 1px solid rgba(20, 22, 26, 0.08); }

.q__index {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: var(--tracking-meta);
  color: var(--c-brass-ink);
  padding-top: var(--space-8);
}

.q__field { min-width: 0; }

/* The growth problem is the most valuable answer on the form. */
.q--wide { padding-bottom: var(--space-40); }
.q--wide .q__label { font-size: var(--fs-24); }

.q__label {
  display: block;
  margin-bottom: var(--space-8);
  font-family: var(--font-display);
  font-variation-settings: 'wdth' 96, 'wght' 600;
  font-size: var(--fs-20);
  letter-spacing: -0.01em;
  color: var(--c-paper-ink);
}

.q__label + .field__hint { margin-top: 0; margin-bottom: var(--space-12); }

.field__control {
  width: 100%;
  min-height: var(--space-56);
  padding: var(--space-12) var(--space-16);
  border: 1px solid var(--c-paper-line);
  border-radius: var(--r-md);
  background: rgba(255, 255, 255, 0.72);
  color: var(--c-paper-ink);
  font-family: var(--font-body);
  font-size: var(--fs-20);
  line-height: var(--lh-normal);
  transition: border-color var(--dur-base) var(--ease-ui),
              background var(--dur-base) var(--ease-ui),
              box-shadow var(--dur-base) var(--ease-ui);
}

.field__control::placeholder { color: var(--c-paper-muted); opacity: 0.7; }

textarea.field__control {
  min-height: var(--space-200);
  padding: var(--space-16);
  resize: vertical;
}

select.field__control {
  appearance: none;
  padding-right: var(--space-48);
  background-image:
    linear-gradient(45deg, transparent 50%, var(--c-brass-ink) 50%),
    linear-gradient(135deg, var(--c-brass-ink) 50%, transparent 50%);
  background-position: calc(100% - 22px) calc(50% + 1px), calc(100% - 16px) calc(50% + 1px);
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
}

.field__control:focus {
  outline: none;
  border-color: var(--c-brass-ink);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(198, 151, 73, 0.16);
}
.field__control[aria-invalid="true"] { border-color: var(--c-error); }

.field__hint {
  margin: var(--space-8) 0 0;
  font-size: var(--fs-16);
  line-height: var(--lh-normal);
  color: var(--c-paper-muted);
}

.field__error {
  margin: var(--space-8) 0 0;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: var(--tracking-meta);
  text-transform: uppercase;
  color: var(--c-error);
}

.field__error:empty { display: none; }

.field--honey { position: absolute !important; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.notice {
  margin-top: var(--space-20);
  padding: var(--space-16);
  border-left: 2px solid var(--c-brass-ink);
  background: var(--c-notice-paper);
  color: var(--c-brass-lo);
  font-size: var(--fs-16);
}

.notice--error { border-color: var(--c-error); background: var(--c-error-paper); color: var(--c-error); }

/* ===============================================================
   Supporting reveal - used only for secondary copy
   =============================================================== */

.reveal {
  opacity: 0;
  transform: translateY(var(--space-12));
  transition: opacity var(--dur-editorial) var(--ease-editorial),
              transform var(--dur-editorial) var(--ease-editorial);
}

.reveal.is-inview { opacity: 1; transform: none; }
.reveal--d1 { transition-delay: 90ms; }
.reveal--d2 { transition-delay: 180ms; }
.reveal--d3 { transition-delay: 270ms; }

.no-js .reveal { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; }
  .stamp { transform: rotate(-8deg) scale(1); opacity: 0.72; }
  .cursor { display: none; }
}