/* Shared styles for KR // YLN track landing pages + blog.
   Edits here apply site-wide. Keep landing pages lean.
   ponytail: one stylesheet, cached across all pages — beats 14KB inlined per page. */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --cyan: #00C8E8;
  --cyan-dim: #0099BB;
  --cyan-ghost: rgba(0, 200, 232, 0.15);
  --deep: #020509;
  --text: #B8DDE8;
  --card-bg: rgba(5, 10, 15, 0.85);
}

body {
  background: var(--deep);
  color: var(--text);
  font-family: 'Rajdhani', sans-serif;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow-x: hidden;
  position: relative;
  -webkit-overflow-scrolling: touch;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background: rgba(255,255,255,0.02);
  animation: flicker 8s infinite;
  pointer-events: none;
  z-index: 10;
  will-change: opacity;
}
@keyframes flicker {
  0%, 100% { opacity: 0.04; }
  5%  { opacity: 0.08; }
  10% { opacity: 0.03; }
}

.track-container {
  width: 90%;
  max-width: 380px;
  background: var(--card-bg);
  border: 1px solid var(--cyan-ghost);
  padding: 2rem;
  z-index: 20;
  backdrop-filter: blur(12px);
  text-align: center;
  box-shadow: 0 0 40px rgba(0,0,0,0.8);
  transform: translateZ(0);
}

.artwork {
  width: 100%;
  aspect-ratio: 1/1;
  margin-bottom: 1.5rem;
  border: 1px solid var(--cyan-dim);
  box-shadow: 0 0 20px var(--cyan-ghost);
}
.artwork img { width: 100%; height: 100%; object-fit: cover; }

h1 {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.6rem;
  letter-spacing: 5px;
  color: var(--cyan);
  margin-bottom: 0.5rem;
}

.artist-name {
  font-weight: 300;
  letter-spacing: 2px;
  margin-bottom: 2rem;
  opacity: 0.7;
}

.links-list { display: flex; flex-direction: column; gap: 10px; }
.link-item {
  display: flex;
  align-items: center;
  padding: 14px 20px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(0,200,232,0.1);
  text-decoration: none;
  color: var(--text);
  transition: transform 0.3s cubic-bezier(0.4,0,0.2,1), background 0.3s ease, border-color 0.3s ease;
  will-change: transform;
}
.link-item:hover {
  background: var(--cyan-ghost);
  border-color: var(--cyan);
  transform: scale3d(1.02,1.02,1);
}
.service-name {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 600;
  font-size: 1.1rem;
  letter-spacing: 1px;
}

.glow {
  position: fixed; inset: 0;
  background: radial-gradient(circle at 50% 50%, rgba(0,200,232,0.06), transparent 75%);
  pointer-events: none;
  z-index: 1;
}

@media (max-width: 480px) {
  .track-container { padding: 1.5rem; }
  h1 { font-size: 1.3rem; }
  .signup-panel-inner { padding-top: 10px; }
  .signup-panel-inner p { margin-top: 10px; margin-bottom: 4px; }
}

/* Email signup (expandable) */
.signup-block {
  margin-top: 14px;
  border: 1px solid rgba(0, 200, 232, 0.1);
  background: rgba(255,255,255,0.03);
  overflow: hidden;
  transition: border-color 0.3s ease;
}
.signup-block.open { border-color: rgba(0,200,232,0.35); }
.signup-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  background: transparent;
  border: none;
  color: var(--text);
  font-family: 'Rajdhani', sans-serif;
  font-weight: 600;
  font-size: 1.1rem;
  letter-spacing: 1px;
  cursor: pointer;
  transition: background 0.3s ease;
}
.signup-toggle:hover { background: var(--cyan-ghost); }
.signup-toggle .chev-icon {
  font-family: 'Orbitron', sans-serif;
  color: var(--cyan);
  font-size: 1.3rem;
  transition: transform 0.3s ease;
  line-height: 1;
  will-change: transform;
}
.signup-block.open .chev-icon { transform: rotate(180deg); }
.signup-panel {
  max-height: 0;
  transition: max-height 0.35s ease;
  will-change: max-height;
}
.signup-block.open .signup-panel { max-height: 220px; }
.signup-panel-inner {
  padding: 0 20px 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.signup-panel-inner p {
  font-size: 0.82rem;
  opacity: 0.6;
  text-align: left;
  letter-spacing: 0.3px;
}
.signup-form { display: flex; gap: 8px; }
.signup-form input[type="email"] {
  flex: 1;
  min-width: 0;
  padding: 12px 14px;
  background: rgba(0,0,0,0.4);
  border: 1px solid var(--cyan-ghost);
  color: var(--text);
  font-family: 'Rajdhani', sans-serif;
  font-size: 0.95rem;
  outline: none;
}
.signup-form input[type="email"]::placeholder { color: rgba(184,221,232,0.35); }
.signup-form input[type="email"]:focus { border-color: var(--cyan); }
.signup-form button {
  padding: 12px 18px;
  background: var(--cyan);
  color: var(--deep);
  border: none;
  font-family: 'Rajdhani', sans-serif;
  font-weight: 600;
  letter-spacing: 1px;
  cursor: pointer;
  transition: opacity 0.2s ease;
  white-space: nowrap;
}
.signup-form button:hover { opacity: 0.85; }
.signup-form button:disabled { opacity: 0.5; cursor: default; }
.signup-msg { font-size: 0.82rem; text-align: left; min-height: 1.1em; }
.signup-msg.success { color: var(--cyan); }
.signup-msg.error { color: #e86a6a; }