/* ─── Home — background + logo only ─── */

html.page-home {
  background-color: #1a0f04;
}

body.page-home {
  background: transparent;
  min-height: 100vh;
}

#sphere-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
  display: block;
  background: #1a0f04;
  pointer-events: none;
}

.site-logo {
  position: fixed;
  top: var(--container-pad);
  left: var(--container-pad);
  z-index: 1;
  display: block;
  line-height: 0;
  text-decoration: none;
}

.site-logo img {
  height: var(--logo-mark-height);
  width: auto;
  display: block;
  filter: drop-shadow(0 4px 24px rgba(12, 10, 7, 0.5));
}

/* ─── Middle-right liquid glass buttons ─── */
.glass-actions {
  position: fixed;
  right: calc(var(--container-pad) + 1.3in);
  left: auto;
  top: 50%;
  transform: translateY(-50%);
  z-index: 5;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.glass-item {
  position: relative;
}

/* Shared liquid glass surface (buttons + expanding panels) */
.glass-btn,
.glass-panel {
  background: linear-gradient(
    160deg,
    rgba(214, 204, 188, 0.363) 0%,
    rgba(198, 186, 168, 0.299) 50%,
    rgba(182, 171, 154, 0.267) 100%
  );
  border: 1px solid rgba(242, 237, 228, 0.187);
  box-shadow:
    0 6px 24px rgba(12, 10, 7, 0.149),
    inset 0 1px 0 rgba(255, 255, 255, 0.241),
    inset 0 -1px 0 rgba(12, 10, 7, 0.032);
  backdrop-filter: blur(16px) saturate(120%);
  -webkit-backdrop-filter: blur(16px) saturate(120%);
}

.glass-btn {
  width: 100%;
  border: none;
  appearance: none;
  -webkit-appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 200px;
  padding: 16px 28px;
  border-radius: 10px;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.9375rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(254, 254, 218, 0.534);
  text-decoration: none;
  cursor: pointer;
  transition:
    background var(--transition-base),
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    transform var(--transition-fast),
    color var(--transition-fast);
}

.glass-btn:hover {
  color: rgba(255, 255, 238, 0.544);
  background: linear-gradient(
    160deg,
    rgba(235, 226, 210, 0.445) 0%,
    rgba(218, 206, 186, 0.371) 50%,
    rgba(202, 190, 172, 0.337) 100%
  );
  border-color: rgba(242, 237, 228, 0.273);
  box-shadow:
    0 10px 32px rgba(12, 10, 7, 0.175),
    inset 0 1px 0 rgba(255, 255, 255, 0.300),
    0 0 0 1px rgba(196, 144, 58, 0.083);
  transform: translateY(-1px);
}

.glass-btn:focus-visible {
  outline: none;
  box-shadow:
    0 8px 32px rgba(12, 10, 7, 0.191),
    inset 0 1px 0 rgba(255, 255, 255, 0.098),
    0 0 0 3px var(--color-gold-focus);
}

.glass-btn:active {
  transform: translateY(0);
}

.glass-btn.is-active {
  border-color: rgba(242, 237, 228, 0.300);
  box-shadow:
    0 10px 32px rgba(12, 10, 7, 0.175),
    inset 0 1px 0 rgba(255, 255, 255, 0.300),
    0 0 0 1px rgba(196, 144, 58, 0.109);
}

/* ─── Panel grows from button into screen center (position set by JS) ─── */
.glass-panel {
  position: fixed;
  z-index: 4;
  margin: 0;
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  box-sizing: border-box;
  top: 0;
  left: 0;
  width: 0;
  height: 0;
}

.glass-panel--measure {
  visibility: hidden !important;
  pointer-events: none !important;
  top: 0 !important;
  left: -9999px !important;
  width: min(520px, calc(100vw - 48px)) !important;
  height: auto !important;
  padding: 32px 48px !important;
  opacity: 0 !important;
}

.glass-panel.is-active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  z-index: 10;
}

.glass-panel.is-expanded {
  overflow-x: hidden;
  overflow-y: auto;
  box-shadow:
    0 12px 48px rgba(12, 10, 7, 0.207),
    inset 0 1px 0 rgba(255, 255, 255, 0.245),
    inset 0 -1px 0 rgba(12, 10, 7, 0.032);
}

.glass-panel__content {
  opacity: 0;
  transition: opacity 0.35s ease 0.4s;
}

.glass-panel.is-expanded .glass-panel__content {
  opacity: 1;
}

.glass-panel__content p {
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: rgba(254, 254, 218, 0.544);
  margin: 0 0 var(--space-5);
}

.glass-panel__content p:last-of-type {
  margin-bottom: var(--space-5);
}

.glass-panel__list {
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.9375rem;
  line-height: 1.85;
  color: rgba(254, 254, 218, 0.544);
  margin: 0 0 var(--space-5);
  padding-left: 1.25em;
  list-style: disc;
}

.glass-panel__list li {
  margin-bottom: var(--space-1);
}

.glass-panel__list li:last-child {
  margin-bottom: 0;
}

.glass-panel__cta {
  display: inline-block;
  margin: 0;
  padding: 0;
  border: none;
  background: none;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.9375rem;
  letter-spacing: 0.06em;
  color: rgba(254, 254, 218, 0.544);
  text-decoration: underline;
  text-underline-offset: 3px;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.glass-panel__cta:hover {
  color: rgba(255, 255, 238, 0.65);
}

.glass-panel__back {
  display: inline-block;
  margin: 0 0 var(--space-4);
  padding: 0;
  border: none;
  background: none;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(254, 254, 218, 0.544);
  cursor: pointer;
  transition: color var(--transition-fast);
}

.glass-panel__back:hover {
  color: rgba(255, 255, 238, 0.65);
}

/* ─── Glass panel forms ─── */
.glass-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.glass-form__group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.glass-form__label {
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(254, 254, 218, 0.544);
}

.glass-form__optional {
  text-transform: none;
  letter-spacing: 0;
  opacity: 0.75;
}

.glass-form__field {
  width: 100%;
  padding: 12px 14px;
  border-radius: 8px;
  border: 1px solid rgba(242, 237, 228, 0.22);
  background: rgba(12, 10, 7, 0.22);
  color: rgba(254, 254, 218, 0.85);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.9375rem;
  line-height: 1.5;
  transition:
    border-color var(--transition-fast),
    background var(--transition-fast);
}

.glass-form__field::placeholder {
  color: rgba(254, 254, 218, 0.35);
}

.glass-form__field:focus {
  outline: none;
  border-color: rgba(196, 144, 58, 0.45);
  background: rgba(12, 10, 7, 0.32);
}

.glass-form__field.error {
  border-color: rgba(192, 80, 80, 0.75);
}

.glass-form__field--area {
  min-height: 100px;
  resize: vertical;
}

.glass-form__submit {
  align-self: flex-start;
  margin-top: var(--space-2);
  padding: 14px 24px;
  border: 1px solid rgba(242, 237, 228, 0.3);
  border-radius: 10px;
  background: linear-gradient(
    160deg,
    rgba(214, 204, 188, 0.367) 0%,
    rgba(198, 186, 168, 0.299) 50%,
    rgba(182, 171, 154, 0.267) 100%
  );
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.8125rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(254, 254, 218, 0.544);
  cursor: pointer;
  backdrop-filter: blur(16px) saturate(120%);
  -webkit-backdrop-filter: blur(16px) saturate(120%);
  transition:
    border-color var(--transition-base),
    color var(--transition-fast),
    transform var(--transition-fast);
}

.glass-form__submit:hover:not(:disabled) {
  color: rgba(255, 255, 238, 0.65);
  border-color: rgba(242, 237, 228, 0.45);
  transform: translateY(-1px);
}

.glass-form__submit:disabled {
  opacity: 0.65;
  cursor: wait;
}

.glass-form__response {
  margin-top: var(--space-4);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.9375rem;
  line-height: 1.6;
  color: rgba(254, 254, 218, 0.544);
}

.glass-form__response--success {
  color: rgba(210, 230, 200, 0.85);
}

.glass-form__response--error {
  color: rgba(230, 180, 170, 0.9);
}

@media (max-width: 768px) {
  .glass-actions {
    top: auto;
    bottom: var(--container-pad);
    left: var(--container-pad);
    right: calc(var(--container-pad) + 1.3in);
    transform: none;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: flex-end;
  }

  .glass-btn {
    flex: 1 1 auto;
    min-width: 0;
    font-size: 1.0625rem;
    padding: 14px 20px;
  }

}