/* ==========================================================================
   Autonomous Voice Receptionist Case Study Styles (css/voice.css)
   Design: World-Class Dark Minimalist, Layered Surface Contrast, 1px Glass Borders
   Palette: #0C0C0C background, #141416 card surfaces, #FFFFFF/#F4F4F4 text
   ========================================================================== */

.voice-page {
  padding-top: 140px;
  padding-bottom: 100px;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* --- Hero Section --- */
.voice-hero {
  text-align: center;
  max-width: 960px;
  margin: 0 auto 64px auto;
}

.voice-hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #F4F4F4;
  margin-bottom: 24px;
}

.voice-hero__badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: #22c55e;
  box-shadow: 0 0 10px rgba(34, 197, 94, 0.6);
  animation: v-pulse 2s infinite;
}

@keyframes v-pulse {
  0% { transform: scale(0.95); opacity: 1; }
  50% { transform: scale(1.25); opacity: 0.7; }
  100% { transform: scale(0.95); opacity: 1; }
}

.voice-hero__title {
  font-size: clamp(2.3rem, 5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: #FFFFFF;
  margin-bottom: 20px;
}

.voice-hero__subtitle {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  line-height: 1.6;
  color: #9BA3AF;
  max-width: 820px;
  margin: 0 auto 36px auto;
}

/* --- Metrics Row --- */
.voice-metrics {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  margin-bottom: 40px;
}

.voice-metric-chip {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  font-size: 0.88rem;
  color: #E5E5E5;
  backdrop-filter: blur(10px);
}

.voice-metric-chip strong {
  color: #F4F4F4;
  font-weight: 700;
}

/* --- Interactive Live Sandbox Hero Component --- */
.voice-sandbox-container {
  max-width: 1060px;
  margin: 0 auto 96px auto;
  background: #141416;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 24px;
  padding: 36px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.7), inset 0 1px 0 rgba(255, 255, 255, 0.08);
  position: relative;
  overflow: hidden;
}

.voice-sandbox-container::before {
  content: "";
  position: absolute;
  top: -100px;
  right: -100px;
  width: 340px;
  height: 340px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.04) 0%, transparent 70%);
  filter: blur(60px);
  pointer-events: none;
}

.voice-sandbox-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 28px;
  flex-wrap: wrap;
  gap: 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  padding-bottom: 20px;
}

.voice-sandbox-status {
  display: flex;
  align-items: center;
  gap: 10px;
}

.v-status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 10px rgba(34, 197, 94, 0.5);
  transition: all 0.3s ease;
}

.v-status-dot.connecting {
  background: #f59e0b;
  box-shadow: 0 0 12px rgba(245, 158, 11, 0.7);
  animation: pulse-amber 1s infinite;
}

.v-status-dot.active {
  background: #ef4444;
  box-shadow: 0 0 14px #ef4444;
  animation: pulse-red 1.2s infinite;
}

@keyframes pulse-amber {
  0% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.25); opacity: 0.6; }
  100% { transform: scale(1); opacity: 1; }
}

@keyframes pulse-red {
  0% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.3); opacity: 0.6; }
  100% { transform: scale(1); opacity: 1; }
}

.v-status-text {
  font-size: 0.95rem;
  font-weight: 600;
  color: #F4F4F4;
}

.v-tag-latency {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: #9BA3AF;
  padding: 5px 12px;
  border-radius: 8px;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

/* Waveform Visualizer */
.voice-waveform-area {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 84px;
  background: rgba(0, 0, 0, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 14px;
  padding: 0 24px;
  margin-bottom: 28px;
  overflow: hidden;
}

.v-wave-bar {
  width: 5px;
  height: 18%;
  background: rgba(255, 255, 255, 0.25);
  border-radius: 4px;
  transition: height 0.1s cubic-bezier(0.2, 0.8, 0.2, 1), background 0.25s ease, opacity 0.25s ease;
  animation: idle-wave 2.4s infinite ease-in-out;
}

.v-wave-bar:nth-child(2) { animation-delay: 0.15s; }
.v-wave-bar:nth-child(3) { animation-delay: 0.3s; }
.v-wave-bar:nth-child(4) { animation-delay: 0.45s; }
.v-wave-bar:nth-child(5) { animation-delay: 0.6s; }
.v-wave-bar:nth-child(6) { animation-delay: 0.75s; }
.v-wave-bar:nth-child(7) { animation-delay: 0.9s; }
.v-wave-bar:nth-child(8) { animation-delay: 1.05s; }
.v-wave-bar:nth-child(9) { animation-delay: 1.2s; }
.v-wave-bar:nth-child(10) { animation-delay: 1.35s; }
.v-wave-bar:nth-child(11) { animation-delay: 1.5s; }
.v-wave-bar:nth-child(12) { animation-delay: 1.65s; }

@keyframes idle-wave {
  0%, 100% { height: 16%; opacity: 0.35; }
  50% { height: 42%; opacity: 0.75; }
}

.voice-waveform-area.active .v-wave-bar {
  background: #F4F4F4;
  opacity: 0.85;
  animation: none; /* Controlled dynamically via volume-level JS */
}

.voice-waveform-area.speaking .v-wave-bar {
  background: #FFFFFF;
  opacity: 1;
  box-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

/* Call Trigger Button */
.voice-call-trigger-btn {
  width: 100%;
  padding: 18px 24px;
  background: #F4F4F4;
  color: #0C0C0C;
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 14px;
  font-size: 1.05rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  box-shadow: 0 8px 24px rgba(255, 255, 255, 0.1);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  margin-bottom: 28px;
  user-select: none;
}

.voice-call-trigger-btn:hover {
  background: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(255, 255, 255, 0.2);
}

.voice-call-trigger-btn:active {
  transform: scale(0.98);
}

.voice-call-trigger-btn.connecting {
  background: #202022;
  color: #F4F4F4;
  border-color: rgba(255, 255, 255, 0.2);
  cursor: wait;
}

.voice-call-trigger-btn.active {
  background: #dc2626;
  color: #FFFFFF;
  border-color: #ef4444;
  box-shadow: 0 10px 30px rgba(220, 38, 38, 0.4);
}

.voice-call-trigger-btn.active:hover {
  background: #b91c1c;
}

.voice-call-trigger-btn .btn-icon {
  font-size: 1.25rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* Prompts Area */
.voice-prompts-guide {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 14px;
  padding: 18px 22px;
}

.voice-prompts-title {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #888888;
  font-weight: 700;
  margin-bottom: 12px;
  display: block;
}

.voice-prompts-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

@media (max-width: 768px) {
  .voice-prompts-list {
    grid-template-columns: 1fr;
  }
}

.voice-prompt-item {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 0.85rem;
  color: #cbd5e1;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  line-height: 1.45;
  transition: all 0.2s ease;
  cursor: pointer;
  user-select: none;
}

.voice-prompt-item:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.15);
  color: #FFFFFF;
  transform: translateY(-1px);
}

.voice-prompt-icon {
  color: #F4F4F4;
  font-size: 0.95rem;
  flex-shrink: 0;
  margin-top: 1px;
}

/* --- Section Titles --- */
.voice-section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 52px auto;
}

.voice-section-header__eyebrow {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #888888;
  margin-bottom: 12px;
}

.voice-section-header__title {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #FFFFFF;
  margin-bottom: 14px;
}

.voice-section-header__desc {
  font-size: 1rem;
  color: #9BA3AF;
  line-height: 1.6;
}

/* --- n8n Router Architecture Canvas Showcase --- */
.voice-canvas-section {
  max-width: 1100px;
  margin: 0 auto 96px auto;
}

.voice-canvas-wrapper {
  position: relative;
  width: 100%;
  border-radius: 20px;
  overflow: hidden;
  background: #0E0E10;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.7);
  cursor: pointer;
}

.voice-canvas-img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.4s ease;
}

.voice-canvas-wrapper:hover .voice-canvas-img {
  transform: scale(1.015);
}

.voice-canvas-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.25s ease;
}

.voice-canvas-wrapper:hover .voice-canvas-overlay {
  opacity: 1;
}

.voice-canvas-overlay span {
  background: rgba(20, 20, 22, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #ffffff;
  padding: 12px 22px;
  border-radius: 9999px;
  font-size: 0.9rem;
  font-weight: 600;
  backdrop-filter: blur(8px);
}

.voice-canvas-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 16px;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.85rem;
  color: #888888;
}

.voice-canvas-meta strong {
  color: #E5E5E5;
}

.voice-canvas-meta a {
  color: #F4F4F4;
  text-decoration: none;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: color 0.2s ease;
}

.voice-canvas-meta a:hover {
  color: #FFFFFF;
  text-decoration: underline;
}

/* --- Architectural Pillars Grid --- */
.voice-pillars-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 1100px;
  margin: 0 auto 96px auto;
}

@media (max-width: 768px) {
  .voice-pillars-grid {
    grid-template-columns: 1fr;
  }
}

.voice-pillar-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 18px;
  padding: 28px;
  transition: border-color 0.25s ease;
}

.voice-pillar-card:hover {
  border-color: rgba(255, 255, 255, 0.15);
}

.voice-pillar-num {
  font-size: 0.8rem;
  font-weight: 800;
  color: #9BA3AF;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
}

.voice-pillar-title {
  font-size: 1.18rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 10px;
}

.voice-pillar-desc {
  font-size: 0.92rem;
  color: #9BA3AF;
  line-height: 1.6;
}

/* --- High Ticket ROI Grid --- */
.voice-roi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  max-width: 1100px;
  margin: 0 auto 96px auto;
}

@media (max-width: 900px) {
  .voice-roi-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 500px) {
  .voice-roi-grid {
    grid-template-columns: 1fr;
  }
}

.voice-roi-tile {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  padding: 24px;
  display: flex;
  flex-direction: column;
}

.voice-roi-val {
  font-size: 2.2rem;
  font-weight: 800;
  color: #F4F4F4;
  line-height: 1;
  margin-bottom: 8px;
  font-feature-settings: "tnum";
}

.voice-roi-label {
  font-size: 0.95rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 4px;
}

.voice-roi-sub {
  font-size: 0.82rem;
  color: #888888;
  line-height: 1.4;
}

/* --- CTA Banner Actions & Secondary Button --- */
.cta-banner__subtitle {
  position: relative;
  z-index: 1;
  font-size: clamp(14px, 1.6vw, 16px);
  font-weight: 400;
  color: #9BA3AF;
  line-height: 1.65;
  max-width: 580px;
  margin: 0 auto 36px;
}

.cta-banner__actions {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.btn--secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.05);
  color: #F4F4F4;
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 10px 22px;
  border-radius: 9999px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s ease;
}

.btn--secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.25);
  color: #FFFFFF;
  transform: translateY(-1px);
}

/* --- Lightbox Modal --- */
.voice-lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.92);
  backdrop-filter: blur(12px);
  z-index: 100000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.voice-lightbox.open {
  display: flex;
}

.voice-lightbox__inner {
  background: #141416;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 20px;
  max-width: 1200px;
  width: 100%;
  max-height: 90vh;
  overflow: auto;
  position: relative;
  padding: 20px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.8);
}

.voice-lightbox__close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: rgba(255, 255, 255, 0.1);
  border: 0;
  color: #fff;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease;
}

.voice-lightbox__close:hover {
  background: rgba(255, 255, 255, 0.2);
}

.voice-lightbox__img {
  width: 100%;
  height: auto;
  border-radius: 12px;
}