/* Find Pilot Car Driver — shared stylesheet
 * Sister site to magicvalleypiloting.com. Distinct teal/cyan brand identity.
 * Same dark-ink ground; different signal color and constellation aesthetic.
 */

/* Cross-document view transitions */
@view-transition { navigation: auto; }
::view-transition-old(root), ::view-transition-new(root) {
  animation-duration: 0.35s;
  animation-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}
::view-transition-old(root) { animation-name: vt-fade-out; }
::view-transition-new(root) { animation-name: vt-fade-in; }
@keyframes vt-fade-out { to { opacity: 0; transform: translateY(-4px); } }
@keyframes vt-fade-in { from { opacity: 0; transform: translateY(4px); } }

/* Design tokens — distinct from MVP */
:root {
  --color-ink-950: #06080f;
  --color-ink-900: #0a0f1c;
  --color-ink-850: #0e1424;
  --color-ink-800: #172033;
  --color-ink-700: #2a3447;
  --color-ink-600: #475569;

  --color-signal-300: #67e8f9;   /* cyan-300 */
  --color-signal-400: #22d3ee;   /* cyan-400 */
  --color-signal-500: #06b6d4;   /* cyan-500 */
  --color-signal-600: #0891b2;   /* cyan-600 */

  --color-teal-400: #2dd4bf;
  --color-teal-500: #14b8a6;
  --color-teal-600: #0d9488;

  --color-go-400: #34d399;       /* emerald-400 — "available" signals */
  --color-go-500: #10b981;

  --color-text-primary: #f8fafc;
  --color-text-muted: #94a3b8;
  --color-text-subtle: #64748b;

  --grad-signal: linear-gradient(135deg, var(--color-teal-400) 0%, var(--color-signal-500) 100%);
  --grad-text: linear-gradient(120deg, var(--color-teal-400), var(--color-signal-400), var(--color-signal-300));

  --shadow-signal-sm: 0 4px 14px -2px color-mix(in srgb, var(--color-signal-500) 30%, transparent);
  --shadow-signal-md: 0 12px 36px -8px color-mix(in srgb, var(--color-signal-500) 40%, transparent);
  --shadow-signal-lg: 0 24px 60px -12px color-mix(in srgb, var(--color-signal-500) 50%, transparent);

  --easing-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --easing-out-back: cubic-bezier(0.34, 1.56, 0.64, 1);
}

html {
  scroll-behavior: smooth;
  background: var(--color-ink-950);
}
body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  background: var(--color-ink-950);
  color: var(--color-text-primary);
}

/* Signal pulse — radar / dispatch beacon */
.signal-mark {
  position: relative;
  display: inline-flex;
  width: 0.625rem;
  height: 0.625rem;
}
.signal-mark::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 9999px;
  background: var(--color-signal-400);
  opacity: 0.6;
  animation: signal-pulse 2.2s ease-out infinite;
}
.signal-mark::after {
  content: '';
  position: relative;
  inset: 0;
  width: 100%;
  height: 100%;
  border-radius: 9999px;
  background: var(--color-signal-400);
  box-shadow: 0 0 12px var(--color-signal-400);
}
@keyframes signal-pulse {
  0% { opacity: 0.6; transform: scale(1); }
  100% { opacity: 0; transform: scale(2.4); }
}

/* "Available" / go marker — emerald */
.go-mark {
  display: inline-flex;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 9999px;
  background: var(--color-go-400);
  box-shadow: 0 0 10px color-mix(in srgb, var(--color-go-400) 60%, transparent);
  animation: go-pulse 3s ease-in-out infinite;
}
@keyframes go-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* Subtle radar grid background */
.radar-grid {
  background-image:
    linear-gradient(rgba(20, 184, 166, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20, 184, 166, 0.06) 1px, transparent 1px);
  background-size: 56px 56px;
}
.radar-grid-tight {
  background-image:
    linear-gradient(rgba(6, 182, 212, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(6, 182, 212, 0.04) 1px, transparent 1px);
  background-size: 28px 28px;
}

/* Constellation map nodes */
.constellation {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
}
.constellation-node {
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 9999px;
  background: var(--color-signal-400);
  transform: translate(-50%, -50%);
  box-shadow: 0 0 12px var(--color-signal-400);
}
.constellation-node.dim {
  background: rgba(148, 163, 184, 0.4);
  box-shadow: none;
  width: 4px;
  height: 4px;
}
.constellation-node.pulse {
  animation: node-pulse 3s ease-in-out infinite;
}
.constellation-node.pulse::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 9999px;
  border: 1.5px solid var(--color-signal-400);
  opacity: 0.6;
  animation: node-ripple 3s ease-out infinite;
}
@keyframes node-pulse {
  0%, 100% { transform: translate(-50%, -50%) scale(1); }
  50% { transform: translate(-50%, -50%) scale(1.3); }
}
@keyframes node-ripple {
  0% { transform: scale(0.5); opacity: 0.8; }
  100% { transform: scale(3); opacity: 0; }
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s var(--easing-out-expo), transform 0.8s var(--easing-out-expo);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
@supports (animation-timeline: view()) {
  .scroll-rise {
    animation: scroll-rise linear both;
    animation-timeline: view();
    animation-range: entry 0% cover 30%;
  }
  @keyframes scroll-rise {
    from { opacity: 0; transform: translateY(40px); }
    to { opacity: 1; transform: translateY(0); }
  }
}

/* Gradient text */
.text-grad-signal {
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* Form */
.form-input {
  width: 100%;
  padding: 0.875rem 1rem;
  background: var(--color-ink-800);
  border: 1px solid var(--color-ink-700);
  border-radius: 0.75rem;
  color: var(--color-text-primary);
  font-family: inherit;
  font-size: 1rem;
  transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
}
.form-input:focus {
  outline: none;
  border-color: var(--color-signal-500);
  background: color-mix(in srgb, var(--color-ink-800) 70%, var(--color-ink-700) 30%);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-signal-500) 18%, transparent);
}
.form-input::placeholder { color: var(--color-text-subtle); }
.form-label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-text-muted);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Role selector cards (radio-style) */
.role-card {
  position: relative;
  cursor: pointer;
  padding: 1.25rem;
  background: var(--color-ink-800);
  border: 1.5px solid var(--color-ink-700);
  border-radius: 0.875rem;
  transition: all 0.2s var(--easing-out-expo);
}
.role-card:hover {
  border-color: color-mix(in srgb, var(--color-signal-500) 60%, var(--color-ink-700));
  background: color-mix(in srgb, var(--color-ink-800) 70%, var(--color-ink-700));
}
.role-card input[type="radio"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.role-card:has(input[type="radio"]:checked) {
  border-color: var(--color-signal-500);
  background: color-mix(in srgb, var(--color-ink-800) 50%, color-mix(in srgb, var(--color-signal-500) 8%, transparent));
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-signal-500) 15%, transparent);
}
.role-card .role-check {
  opacity: 0;
  transition: opacity 0.2s;
}
.role-card:has(input[type="radio"]:checked) .role-check {
  opacity: 1;
}

/* Floating call-to-signup */
.signup-floater {
  position: fixed;
  bottom: 1.25rem;
  right: 1.25rem;
  z-index: 40;
  opacity: 0;
  transform: translateY(20px) scale(0.9);
  pointer-events: none;
  transition: opacity 0.4s var(--easing-out-expo), transform 0.4s var(--easing-out-back);
}
.signup-floater.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

/* Focus-visible a11y */
a:focus-visible, button:focus-visible, [role="button"]:focus-visible, .role-card:focus-within {
  outline: 2px solid var(--color-signal-400);
  outline-offset: 3px;
  border-radius: 0.5rem;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .signal-mark::before, .go-mark, .constellation-node.pulse, .constellation-node.pulse::after {
    animation: none;
  }
}

/* Print */
@media print {
  .no-print, header, footer, nav, .signup-floater { display: none !important; }
  body { background: white; color: black; }
  a { color: black; text-decoration: underline; }
}