/* =====================================================================
   PAI Contact drawer — half-page slide-in overlay
   Self-contained; brand accent supplied per page via inline CSS vars:
     --cform-accent  --cform-on  --cform-glow
   Shared across all four landings. No dependency on page styles.
===================================================================== */
.pai-cform {
  position: fixed;
  inset: 0;
  z-index: 9999;
  visibility: hidden;
  pointer-events: none;
  transition: visibility 0s linear 0.6s;
  font-family: 'Geist', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}
.pai-cform.is-open {
  visibility: visible;
  pointer-events: auto;
  transition: visibility 0s linear 0s;
}

/* Dimmed page on the left */
.pai-cform__scrim {
  position: absolute;
  inset: 0;
  background: rgba(4, 6, 10, 0.55);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  opacity: 0;
  transition: opacity 0.6s cubic-bezier(0.32, 0.72, 0, 1);
}
.pai-cform.is-open .pai-cform__scrim { opacity: 1; }

/* Right-hand panel — ~half the viewport */
.pai-cform__panel {
  position: absolute;
  top: 0;
  right: 0;
  height: 100%;
  width: clamp(440px, 46vw, 680px);
  max-width: 100%;
  background:
    radial-gradient(125% 55% at 100% 0%, var(--cform-glow, rgba(19, 91, 236, 0.4)), transparent 62%),
    rgba(12, 14, 19, 0.92);
  -webkit-backdrop-filter: blur(30px) saturate(160%);
  backdrop-filter: blur(30px) saturate(160%);
  border-left: 1px solid rgba(255, 255, 255, 0.10);
  box-shadow:
    -44px 0 120px -40px rgba(0, 0, 0, 0.7),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
  transform: translateX(100%);
  transition: transform 0.6s cubic-bezier(0.32, 0.72, 0, 1);
  display: flex;
  flex-direction: column;
}
.pai-cform.is-open .pai-cform__panel { transform: translateX(0); }
/* accent hairline along the leading edge */
.pai-cform__panel::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 1px; height: 100%;
  background: linear-gradient(180deg, var(--cform-accent, #135bec) 0%, transparent 55%);
  opacity: 0.55;
  pointer-events: none;
}

.pai-cform__scroll {
  height: 100%;
  overflow-y: auto;
  padding: clamp(44px, 5vw, 76px) clamp(26px, 4vw, 64px);
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.pai-cform__close {
  position: absolute;
  top: 22px;
  right: 22px;
  width: 40px; height: 40px;
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 2;
  transition: background 0.3s cubic-bezier(0.32, 0.72, 0, 1), transform 0.4s cubic-bezier(0.32, 0.72, 0, 1);
}
.pai-cform__close:hover { background: rgba(255, 255, 255, 0.12); transform: rotate(90deg); }
.pai-cform__close svg { width: 18px; height: 18px; }

.pai-cform__head { display: flex; flex-direction: column; gap: 10px; }
.pai-cform__eyebrow {
  font-family: 'Geist Mono', ui-monospace, monospace;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cform-accent, #135bec);
}
.pai-cform__title {
  font-size: clamp(28px, 3.4vw, 38px);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.04;
  color: #fff;
  margin: 0;
}
.pai-cform__sub {
  font-size: 15px;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.6);
  margin: 0;
  max-width: 46ch;
}

.pai-cform__form { display: flex; flex-direction: column; gap: 18px; }
.pai-cform__row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.pai-cform__field { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.pai-cform__label {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: rgba(255, 255, 255, 0.7);
}
.pai-cform__input {
  width: 100%;
  box-sizing: border-box;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  padding: 14px 16px;
  color: #fff;
  font-family: inherit;
  font-size: 15px;
  outline: none;
  transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
}
.pai-cform__input::placeholder { color: rgba(255, 255, 255, 0.34); }
.pai-cform__input:focus {
  border-color: var(--cform-accent, #135bec);
  background: rgba(255, 255, 255, 0.06);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--cform-accent, #135bec) 22%, transparent);
}
.pai-cform__textarea { resize: vertical; min-height: 104px; line-height: 1.5; }

.pai-cform__submit {
  margin-top: 4px;
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: var(--cform-accent, #135bec);
  color: var(--cform-on, #fff);
  border: none;
  border-radius: 9999px;
  padding: 15px 24px;
  font-family: inherit;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.01em;
  cursor: pointer;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.22),
    0 16px 40px -18px var(--cform-glow, rgba(19, 91, 236, 0.5));
  transition: transform 0.3s cubic-bezier(0.32, 0.72, 0, 1), filter 0.2s;
}
.pai-cform__submit:hover { filter: brightness(1.06); }
.pai-cform__submit:active { transform: scale(0.985); }
.pai-cform__submit svg { width: 17px; height: 17px; }

.pai-cform__hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* Success state */
.pai-cform__success { display: none; flex-direction: column; align-items: flex-start; gap: 14px; }
.pai-cform.is-success .pai-cform__form,
.pai-cform.is-success .pai-cform__head { display: none; }
.pai-cform.is-success .pai-cform__success { display: flex; }
.pai-cform__success-ico {
  width: 60px; height: 60px;
  border-radius: 16px;
  background: rgba(74, 222, 128, 0.12);
  border: 1px solid rgba(74, 222, 128, 0.32);
  color: #4ade80;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.pai-cform__success-ico svg { width: 28px; height: 28px; }
.pai-cform__back {
  margin-top: 6px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: #fff;
  border-radius: 9999px;
  padding: 11px 22px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s;
}
.pai-cform__back:hover { background: rgba(255, 255, 255, 0.12); }

@media (max-width: 768px) {
  .pai-cform__panel { width: 100%; }
  .pai-cform__row { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  .pai-cform__panel, .pai-cform__scrim, .pai-cform__close { transition: none; }
}