/**
 * Atlas Vertical – Subscribe CTA component
 */

.subscribe-box {
  padding: var(--space-2xl) var(--space-xl);
  text-align: center;
  background: linear-gradient(165deg, var(--color-bg-alt) 0%, var(--color-bg) 100%);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.06);
}

[data-theme="dark"] .subscribe-box {
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.35);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .subscribe-box {
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.35);
  }
}

.subscribe-box:empty {
  display: none;
}

.subscribe-box__heading {
  margin: 0 0 var(--space-sm);
  font-size: clamp(var(--font-size-lg), 2.2vw, 1.375rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: var(--line-height-tight);
}

.subscribe-box__description {
  margin: 0 auto var(--space-lg);
  max-width: 26rem;
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
}

/* Form layout */
.subscribe-box__form {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: center;
  max-width: 440px;
  margin-inline: auto;
}

.subscribe-box__input {
  flex: 1;
  min-width: 0;
  padding: 0.75rem var(--space-md);
  font-size: var(--font-size-base);
  color: var(--color-text);
  background: var(--color-bg-alt);
  border: none;
  border-radius: 8px;
  outline: none;
  transition: box-shadow 0.2s;
  box-shadow: inset 0 0 0 1px transparent;
}

.subscribe-box__input::placeholder {
  color: var(--color-text-muted);
}

.subscribe-box__input:focus,
.subscribe-box__input:focus-visible {
  box-shadow: inset 0 0 0 1.5px var(--color-accent);
}

.subscribe-box__button {
  flex-shrink: 0;
  padding: 0.75rem var(--space-xl);
  font-size: var(--font-size-base);
  font-weight: 700;
  letter-spacing: 0.02em;
  background-color: var(--color-accent);
  color: var(--color-on-accent);
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: transform 0.15s ease, opacity 0.2s;
}

.subscribe-box__button:hover {
  opacity: 0.88;
  transform: translateY(-1px);
}

.subscribe-box__button:active {
  transform: translateY(0);
  opacity: 1;
}

.subscribe-box__button:focus-visible {
  outline: 2px solid var(--color-text);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  .subscribe-box__button {
    transition: opacity 0.2s ease;
  }

  .subscribe-box__button:hover {
    transform: none;
  }
}

/* Form states: Ghost adds .loading, .success, .error to the form */
.subscribe-box__form.loading .subscribe-box__button {
  opacity: 0.6;
  cursor: wait;
}

.subscribe-box__message {
  display: none;
  margin: var(--space-md) 0 0;
  font-size: var(--font-size-sm);
}

.subscribe-box__form.success ~ .subscribe-box__message--success {
  display: block;
  color: var(--color-text);
}

.subscribe-box__form.success {
  display: none;
}

.subscribe-box__form.error ~ .subscribe-box__message--error {
  display: block;
  color: var(--color-error);
}

/* Signed-in state */
.subscribe-box__signed-in {
  margin: 0;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}