/* ── Subscribe Overlay — subscribe.css ── */

/* Nav subscribe button */
.nav-subscribe {
  position: relative;
  color: var(--text-a50);
  text-decoration: none;
  cursor: pointer;
  transition: color 0.15s;
  font: inherit;
  letter-spacing: inherit;
  text-transform: inherit;
  background: none;
  border: none;
  padding: 0;
}
.nav-subscribe:hover { color: var(--accent); }
.nav-subscribe:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.nav-subscribe .dot {
  position: absolute;
  top: -3px;
  right: -8px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  animation: dotPulse 2.5s ease-in-out infinite;
}

@keyframes dotPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.4; transform: scale(0.7); }
}

/* Overlay */
#dax-subscribe-overlay {
  position: fixed;
  inset: 0;
  z-index: 100000;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.5s ease, visibility 0.5s;
  font-family: 'IBM Plex Mono', monospace;
}

#dax-subscribe-overlay.open {
  opacity: 1;
  visibility: visible;
}

#dax-subscribe-overlay.closing {
  opacity: 0;
  transition: opacity 0.4s ease, visibility 0.4s;
}

/* Grid background */
.sub-overlay-grid {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1.2s ease 0.3s;
}

#dax-subscribe-overlay.open .sub-overlay-grid {
  opacity: 1;
}

.sub-grid-h, .sub-grid-v {
  position: absolute;
  background: var(--text-a03);
}

.sub-grid-h {
  left: 0; right: 0;
  height: 1px;
}

.sub-grid-v {
  top: 0; bottom: 0;
  width: 1px;
}

.sub-crosshair-h {
  position: absolute;
  left: 0; right: 0;
  top: 50%;
  height: 1px;
  background: var(--text-a06);
}

.sub-crosshair-v {
  position: absolute;
  top: 0; bottom: 0;
  left: 50%;
  width: 1px;
  background: var(--text-a06);
}

/* Form */
.sub-overlay-form {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 440px;
  width: 100%;
  padding: 0 24px;
  transform: translateY(20px);
  opacity: 0;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.2s,
              opacity 0.6s ease 0.2s;
}

#dax-subscribe-overlay.open .sub-overlay-form {
  transform: translateY(0);
  opacity: 1;
}

.sub-overlay-heading {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.sub-overlay-subtext {
  font-size: 10px;
  font-weight: 300;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-a40);
  margin-bottom: 40px;
  line-height: 1.8;
}

.sub-overlay-input-wrap {
  position: relative;
  margin-bottom: 16px;
}

.sub-overlay-input {
  width: 100%;
  background: none;
  border: none;
  border-bottom: 1px solid var(--text-a20);
  color: var(--text);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 14px;
  font-weight: 300;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-align: center;
  padding: 14px 0;
  outline: none;
  transition: border-color 0.3s;
}

.sub-overlay-input::placeholder {
  color: var(--text-a15);
  text-transform: uppercase;
}

.sub-overlay-input:focus {
  border-color: var(--accent);
}

.sub-overlay-input-line {
  position: absolute;
  bottom: 0; left: 50%;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width 0.4s cubic-bezier(0.16, 1, 0.3, 1), left 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.sub-overlay-input:focus ~ .sub-overlay-input-line {
  width: 100%;
  left: 0;
}

.sub-overlay-submit {
  background: none;
  border: 1px solid var(--text-a20);
  color: var(--text-a50);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  padding: 14px 48px;
  cursor: pointer;
  transition: border-color 0.3s, color 0.3s, background 0.3s, transform 0.15s;
  margin-top: 8px;
}

.sub-overlay-submit:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.sub-overlay-submit:active {
  transform: scale(0.97);
}

.sub-overlay-submit:focus-visible,
.sub-overlay-close:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Close */
.sub-overlay-close {
  position: absolute;
  top: 28px;
  right: 32px;
  background: none;
  border: none;
  color: var(--text-a25);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  cursor: pointer;
  padding: 8px;
  transition: color 0.2s;
  z-index: 3;
}

.sub-overlay-close:hover { color: var(--text); }

/* Corner coordinates */
.sub-corner-coord {
  position: absolute;
  font-size: 8px;
  font-weight: 300;
  letter-spacing: 0.15em;
  color: var(--text-a10);
  text-transform: uppercase;
  opacity: 0;
  transition: opacity 1s ease 0.6s;
}

#dax-subscribe-overlay.open .sub-corner-coord { opacity: 1; }

.sub-corner-coord.tl { top: 24px; left: 32px; }
.sub-corner-coord.br { bottom: 24px; right: 32px; }

/* Success */
.sub-overlay-success {
  display: none;
  text-align: center;
  position: relative;
  z-index: 2;
}

.sub-overlay-success .check {
  font-size: 32px;
  color: var(--accent);
  margin-bottom: 20px;
  display: block;
}

.sub-overlay-success .msg {
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--text-a50);
}

/* Noise texture */
#dax-subscribe-overlay::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
  background-size: 128px;
  pointer-events: none;
  opacity: 0.5;
}