/* VoiceIsolate-Pro — Premium Signal-First UX
 * Unified across Browser, Android, Desktop
 * Dark graphite / deep navy foundation
 */

@import url('/src/ui/tokens/design-tokens.css');

:root {
  --vip-hero-gradient: linear-gradient(105deg, #f4f7fa 15%, #a88cff 58%, #2ed5e5);
  --vip-hero-bg: radial-gradient(ellipse 60% 50% at 20% 10%, rgba(155,108,255,0.18), transparent 60%),
                 radial-gradient(ellipse 50% 40% at 80% 20%, rgba(46,213,229,0.12), transparent 60%),
                 var(--vip-surface-root);
}

/* ── New Navigation ─────────────────────────────────────────────────── */
.vip-unified-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 8px 16px;
  background: color-mix(in srgb, var(--vip-surface-panel) 90%, transparent);
  border: 1px solid var(--vip-border-subtle);
  border-radius: var(--vip-radius-xl);
  backdrop-filter: blur(16px);
  max-width: 1180px;
  margin: 16px auto;
}

.vip-unified-nav__item {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 40px;
  padding: 8px 14px;
  border-radius: var(--vip-radius-md);
  border: 1px solid transparent;
  background: transparent;
  color: var(--vip-text-secondary);
  font: 500 13px/1 var(--vip-font-ui);
  cursor: pointer;
  transition: all 0.15s var(--vip-ease-out);
  text-decoration: none;
}

.vip-unified-nav__item:hover {
  background: var(--vip-surface-raised);
  color: var(--vip-text-primary);
  border-color: var(--vip-border-subtle);
}

.vip-unified-nav__item--active {
  background: var(--vip-surface-raised);
  border-color: var(--vip-border-strong);
  color: var(--vip-text-primary);
  box-shadow: inset 2px 0 0 var(--vip-signal-primary);
}

.vip-unified-nav__privacy {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 6px;
  font: 500 10px/1 var(--vip-font-mono);
  /* --vip-text-dim only reaches 3.91:1 on the success wash — below AA for
     this 10px label. The secondary token keeps it ≥4.5:1 at every viewport. */
  color: var(--vip-text-secondary);
  padding: 4px 8px;
  background: var(--vip-success-wash);
  border: 1px solid rgba(49,207,125,0.2);
  border-radius: var(--vip-radius-full);
}

/* ── Hero: Hear What Others Miss ────────────────────────────────────── */
.vip-hero-premium {
  position: relative;
  max-width: 1180px;
  margin: 0 auto;
  padding: 64px 24px 32px;
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
  background: var(--vip-hero-bg);
  border-radius: var(--vip-radius-2xl);
  overflow: hidden;
}

.vip-hero-premium::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, var(--vip-surface-root) 100%);
  pointer-events: none;
}

.vip-hero-premium__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font: 700 10px/1 var(--vip-font-mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--vip-selection);
  margin-bottom: 16px;
}

.vip-hero-premium__eyebrow span {
  padding: 4px 8px;
  border: 1px solid rgba(155,108,255,0.35);
  border-radius: 999px;
  background: rgba(155,108,255,0.1);
  color: #d4c8ff;
}

.vip-hero-premium__title {
  font: 800 clamp(2.8rem, 6vw, 4.8rem)/0.9 var(--vip-font-display);
  letter-spacing: -0.05em;
  color: var(--vip-text-primary);
  margin: 0 0 20px;
}

.vip-hero-premium__title em {
  font-style: normal;
  background: var(--vip-hero-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.vip-hero-premium__sub {
  font: 400 16px/1.6 var(--vip-font-ui);
  color: var(--vip-text-secondary);
  max-width: 36rem;
  margin: 0 0 28px;
}

.vip-hero-premium__actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.vip-btn-premium {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 24px;
  border-radius: var(--vip-radius-lg);
  font: 600 14px/1 var(--vip-font-ui);
  cursor: pointer;
  text-decoration: none;
  border: 1px solid;
  transition: all 0.15s var(--vip-ease-out);
}

.vip-btn-premium--primary {
  background: linear-gradient(135deg, #9b6cff, #7c3aed);
  border-color: #9b6cff;
  color: white;
  box-shadow: 0 8px 24px rgba(124,58,237,0.25);
}

.vip-btn-premium--primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 32px rgba(124,58,237,0.35);
}

.vip-btn-premium--ghost {
  background: transparent;
  border-color: var(--vip-border-strong);
  color: var(--vip-text-primary);
}

.vip-btn-premium--ghost:hover {
  border-color: var(--vip-signal-primary);
  background: rgba(46,213,229,0.06);
}

/* ── Interactive Demo ───────────────────────────────────────────────── */
.vip-demo-canvas {
  position: relative;
  background: linear-gradient(160deg, var(--vip-surface-raised), var(--vip-surface-panel));
  border: 1px solid var(--vip-border-subtle);
  border-radius: var(--vip-radius-2xl);
  overflow: hidden;
  box-shadow: var(--vip-shadow-lg), 0 0 0 1px rgba(155,108,255,0.06), inset 0 1px rgba(255,255,255,0.04);
  min-height: 380px;
  display: flex;
  flex-direction: column;
}

.vip-demo-canvas__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--vip-border-subtle);
  background: rgba(255,255,255,0.02);
}

.vip-demo-canvas__wave {
  flex: 1;
  position: relative;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.vip-demo-wave {
  width: 100%;
  height: 120px;
  background: var(--vip-canvas-bg);
  border: 1px solid var(--vip-border-subtle);
  border-radius: var(--vip-radius-lg);
  position: relative;
  overflow: hidden;
  cursor: crosshair;
}

.vip-demo-region {
  position: absolute;
  top: 0;
  bottom: 0;
  background: var(--vip-selection-wash);
  border: 2px solid var(--vip-selection);
  border-radius: 4px;
  box-shadow: 0 0 0 1px var(--vip-selection-glow), 0 0 20px rgba(155,108,255,0.15);
  pointer-events: none;
  display: none;
}

.vip-demo-region--active {
  display: block;
  animation: vip-demo-pulse 1.2s ease-in-out infinite;
}

@keyframes vip-demo-pulse {
  0%, 100% { box-shadow: 0 0 0 1px var(--vip-selection-glow), 0 0 20px rgba(155,108,255,0.15); }
  50% { box-shadow: 0 0 0 2px var(--vip-selection-glow), 0 0 30px rgba(155,108,255,0.25); }
}

.vip-demo-action {
  position: absolute;
  bottom: -40px;
  left: 50%;
  transform: translateX(-50%);
  display: none;
  padding: 8px 16px;
  background: #9b6cff;
  color: white;
  border: 0;
  border-radius: var(--vip-radius-full);
  font: 600 12px/1 var(--vip-font-ui);
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(155,108,255,0.3);
  white-space: nowrap;
  animation: vip-demo-bounce 0.5s var(--vip-ease-out);
}

.vip-demo-action--visible {
  display: inline-flex;
}

@keyframes vip-demo-bounce {
  0% { transform: translateX(-50%) translateY(10px) scale(0.95); opacity: 0; }
  100% { transform: translateX(-50%) translateY(0) scale(1); opacity: 1; }
}

.vip-demo-before-after {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 12px;
}

.vip-demo-before-after__item {
  padding: 10px;
  background: var(--vip-surface-raised);
  border: 1px solid var(--vip-border-subtle);
  border-radius: var(--vip-radius-md);
  text-align: center;
}

.vip-demo-before-after__label {
  font: 600 10px/1 var(--vip-font-mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--vip-text-dim);
  margin-bottom: 6px;
}

.vip-demo-before-after__wave {
  height: 40px;
  background: var(--vip-canvas-bg);
  border-radius: 4px;
  position: relative;
  overflow: hidden;
}

/* ── Proof Row ───────────────────────────────────────────────────────── */
.vip-proof-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  max-width: 1180px;
  margin: 32px auto;
  padding: 16px;
  background: color-mix(in srgb, var(--vip-surface-panel) 85%, transparent);
  border: 1px solid var(--vip-border-subtle);
  border-radius: var(--vip-radius-xl);
  backdrop-filter: blur(12px);
}

.vip-proof-row__item {
  flex: 1;
  min-width: 140px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  border-right: 1px solid var(--vip-border-subtle);
}

.vip-proof-row__item:last-child {
  border-right: 0;
}

.vip-proof-row__icon {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: var(--vip-radius-md);
  background: var(--vip-success-wash);
  color: var(--vip-success);
  font-size: 16px;
}

.vip-proof-row__text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.vip-proof-row__text strong {
  font: 600 13px/1 var(--vip-font-ui);
  color: var(--vip-text-primary);
}

.vip-proof-row__text span {
  font: 500 10px/1 var(--vip-font-ui);
  color: var(--vip-text-dim);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ── Use Cases ────────────────────────────────────────────────────────── */
.vip-use-cases {
  max-width: 1180px;
  margin: 48px auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.vip-use-case {
  padding: 20px;
  background: linear-gradient(155deg, var(--vip-surface-raised), var(--vip-surface-panel));
  border: 1px solid var(--vip-border-subtle);
  border-radius: var(--vip-radius-xl);
  transition: all 0.2s var(--vip-ease-out);
}

.vip-use-case:hover {
  border-color: var(--vip-signal-primary);
  transform: translateY(-2px);
  box-shadow: var(--vip-shadow-glow-cyan);
}

.vip-use-case__icon {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: var(--vip-radius-lg);
  background: rgba(46,213,229,0.12);
  color: var(--vip-signal-primary);
  font-size: 20px;
  margin-bottom: 12px;
}

.vip-use-case__title {
  font: 600 14px/1.2 var(--vip-font-ui);
  color: var(--vip-text-primary);
  margin: 0 0 8px;
}

.vip-use-case__desc {
  font: 400 12px/1.5 var(--vip-font-ui);
  color: var(--vip-text-secondary);
  margin: 0;
}

/* ── Trust ────────────────────────────────────────────────────────────── */
.vip-trust {
  max-width: 1180px;
  margin: 48px auto;
  padding: 24px;
  background: var(--vip-surface-panel);
  border: 1px solid var(--vip-border-subtle);
  border-radius: var(--vip-radius-xl);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
}

.vip-trust__badges {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.vip-trust__badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: var(--vip-success-wash);
  border: 1px solid rgba(49,207,125,0.2);
  border-radius: var(--vip-radius-full);
  font: 500 11px/1 var(--vip-font-ui);
  color: var(--vip-success);
}

/* ── Signal Canvas Host (shared) ──────────────────────────────────────── */
.vip-signal-canvas-host {
  width: 100%;
  min-height: 400px;
  background: var(--vip-surface-panel);
  border: 1px solid var(--vip-border-subtle);
  border-radius: var(--vip-radius-xl);
  overflow: hidden;
}

/* ── Responsive ───────────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .vip-hero-premium {
    grid-template-columns: 1fr;
    padding: 32px 20px;
  }
  .vip-proof-row__item {
    border-right: 0;
    border-bottom: 1px solid var(--vip-border-subtle);
  }
  .vip-proof-row__item:last-child {
    border-bottom: 0;
  }
  .vip-trust {
    grid-template-columns: 1fr;
  }
  .vip-unified-nav {
    margin: 12px;
    overflow-x: auto;
    flex-wrap: nowrap;
  }
  .vip-unified-nav__privacy {
    display: none;
  }
}

@media (max-width: 560px) {
  .vip-hero-premium {
    padding: 24px 16px;
  }
  .vip-hero-premium__title {
    font-size: clamp(2.2rem, 10vw, 3rem);
  }
  .vip-demo-before-after {
    grid-template-columns: 1fr;
  }
}

/* Hero facts: a plain row, not the bottom Trust panel (.vip-trust). */
.vip-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  list-style: none;
  margin: 28px 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--vip-border-subtle);
}
.vip-facts__item {
  display: flex;
  align-items: baseline;
  gap: 8px;
  white-space: nowrap;
}
.vip-facts__item strong {
  font-size: 1rem;
  color: var(--vip-text-primary, #f4f7fa);
}
.vip-facts__item span {
  font-size: 0.8125rem;
  color: var(--vip-text-secondary);
}

/* Hero copy starts at the top of the hero, level with the workspace panel. */
.vip-hero.ps-hero { align-items: start; }