/* ==========================================================================
   Convostream AAP — Executive Brand Design System
   Identity: Obsidian Luxe / Precision Violet / Enterprise Voice
   ========================================================================== */

:root {
  /* Color Palette — Sophisticated Obsidian & Deep Amethyst */
  --bg-base: #06070a;
  --bg-surface: #0c0e14;
  --bg-elevated: #121620;
  --bg-overlay: rgba(18, 22, 32, 0.75);
  
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-medium: rgba(255, 255, 255, 0.16);
  --border-active: #a855f7;
  
  --brand-primary: #a855f7;
  --brand-light: #c084fc;
  --brand-dark: #7c3aed;
  --brand-muted: rgba(168, 85, 247, 0.12);
  --brand-glow: rgba(168, 85, 247, 0.25);
  
  --accent-emerald: #10b981;
  --accent-emerald-bg: rgba(16, 185, 129, 0.1);
  --accent-rose: #f43f5e;
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-faint: #64748b;
  --text-inverse: #06070a;

  /* Typography */
  --font-display: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  /* Geometry & Spacing */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.7), 0 0 1px 1px var(--border-subtle);
  --shadow-hover: 0 20px 40px -15px rgba(0, 0, 0, 0.9), 0 0 1px 1px var(--border-medium);
  --shadow-glow: 0 0 40px rgba(168, 85, 247, 0.2);
}

/* Reset & Foundation */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  color-scheme: dark;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--bg-base);
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
  background-image: 
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(124, 58, 237, 0.15), transparent 70%),
    radial-gradient(ellipse 60% 40% at 80% 60%, rgba(168, 85, 247, 0.06), transparent 50%),
    radial-gradient(ellipse 60% 40% at 20% 40%, rgba(16, 185, 129, 0.04), transparent 50%);
  background-attachment: fixed;
}

/* Typography Hierarchy */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.025em;
  color: var(--text-main);
  text-wrap: balance;
}

p {
  color: var(--text-muted);
  text-wrap: pretty;
}

.klv-widget p,
.klv-widget * {
  color: inherit;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.15s ease;
}

/* Layout Utilities */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header & Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(6, 7, 10, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 14px 0;
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo {
  height: 34px;
  width: auto;
  display: block;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 16px;
  list-style: none;
}

.nav-links a {
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text-muted);
  white-space: nowrap;
}

.nav-links a:hover {
  color: var(--text-main);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.live-indicator {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--accent-emerald);
  background: var(--accent-emerald-bg);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(16, 185, 129, 0.25);
  white-space: nowrap;
}

.live-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--accent-emerald);
  box-shadow: 0 0 8px var(--accent-emerald);
  animation: pulse-dot 2.5s infinite ease-in-out;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(1.3); }
}

/* Professional Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  padding: 11px 22px;
  border-radius: var(--radius-md);
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  white-space: nowrap;
}

.btn-primary {
  background: var(--brand-primary);
  color: #ffffff;
  box-shadow: 0 2px 12px rgba(168, 85, 247, 0.35);
}

.btn-primary:hover {
  background: var(--brand-light);
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(168, 85, 247, 0.5);
}

.btn-secondary {
  background: var(--bg-elevated);
  color: var(--text-main);
  border: 1px solid var(--border-medium);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-1px);
}

.btn-whatsapp {
  background: #1f9d55;
  color: #ffffff;
}

.btn-whatsapp:hover {
  background: #25d366;
  transform: translateY(-1px);
}

.btn-lg {
  padding: 14px 28px;
  font-size: 15px;
}

.btn-sm {
  padding: 9px 12px;
  font-size: 12.5px;
  font-weight: 600;
}

/* Hero Section */
.hero-section {
  padding: 96px 0 80px;
  position: relative;
  text-align: center;
}

.hero-center {
  max-width: 880px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--brand-light);
  background: var(--brand-muted);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(168, 85, 247, 0.25);
  margin-bottom: 28px;
}

.hero-title {
  font-size: 54px;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: -0.035em;
}

.hero-title .highlight {
  color: var(--brand-light);
}

.hero-desc {
  font-size: 19px;
  line-height: 1.6;
  color: var(--text-muted);
  margin-bottom: 36px;
  max-width: 720px;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  margin-bottom: 48px;
}

.hero-stats-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  padding: 24px 36px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-card);
}

.stat-unit {
  text-align: center;
}

.stat-val {
  font-size: 22px;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.1;
  margin-bottom: 2px;
}

.stat-lbl {
  font-size: 11px;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.stat-divider {
  width: 1px;
  height: 28px;
  background: var(--border-subtle);
}

/* ==========================================================================
   Separated Inbound vs Outbound Section
   ========================================================================== */
.engine-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.engine-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 36px;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
  position: relative;
}

.engine-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-medium);
  box-shadow: var(--shadow-hover);
}

.inbound-card {
  border-top: 2px solid #3b82f6;
}

.outbound-card {
  border-top: 2px solid var(--brand-primary);
}

.engine-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.engine-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: var(--radius-full);
}

.badge-inbound {
  background: rgba(59, 130, 246, 0.12);
  color: #60a5fa;
  border: 1px solid rgba(59, 130, 246, 0.25);
}

.badge-outbound {
  background: var(--brand-muted);
  color: var(--brand-light);
  border: 1px solid rgba(168, 85, 247, 0.25);
}

.engine-status {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-faint);
  display: flex;
  align-items: center;
  gap: 6px;
}

.badge-pill {
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  background: rgba(59, 130, 246, 0.15);
  color: #60a5fa;
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.engine-title {
  font-size: 26px;
  font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.engine-desc {
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.engine-features {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 28px;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-muted);
}

.feature-item strong {
  color: var(--text-main);
}

.feature-check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-emerald);
  font-size: 11px;
  font-weight: 800;
  flex-shrink: 0;
  margin-top: 2px;
}

.engine-action-box {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.action-box-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 6px;
}

.action-box-desc {
  font-size: 13px;
  color: var(--text-faint);
  margin-bottom: 16px;
  line-height: 1.45;
}

.btn-full {
  width: 100%;
}

.reach-jennifer-box {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--border-subtle);
}

.reach-title {
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-faint);
  margin-bottom: 10px;
}

.reach-channels-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.reach-channel-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: var(--bg-base);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  transition: border-color 0.15s, background-color 0.15s;
}

.reach-channel-item:hover {
  border-color: var(--brand-primary);
  background-color: rgba(255, 255, 255, 0.03);
}

.reach-channel-icon {
  font-size: 18px;
  flex-shrink: 0;
}

.reach-channel-meta {
  display: flex;
  flex-direction: column;
}

.reach-channel-label {
  font-size: 11px;
  color: var(--text-faint);
  font-weight: 500;
}

.reach-channel-val {
  font-size: 12.5px;
  font-weight: 700;
  color: var(--brand-light);
  white-space: nowrap;
}

.reach-channel-item.whatsapp-item:hover .reach-channel-val {
  color: #25d366;
}

.outbound-options-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-top: 10px;
}

.form-micro-note {
  font-size: 11px;
  color: var(--text-faint);
  text-align: center;
  margin-top: 10px;
  line-height: 1.4;
}

.form-row-duo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 12px;
}

.input-box {
  width: 100%;
  background: var(--bg-base);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 14px;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.input-box:focus {
  outline: none;
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 3px rgba(168, 85, 247, 0.2);
}

.input-box::placeholder {
  color: var(--text-faint);
}

/* ==========================================================================
   Platform Capabilities Grid (4 Columns)
   ========================================================================== */
.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.cap-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
}

.cap-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-medium);
  box-shadow: var(--shadow-hover);
}

.cap-icon-box {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--brand-muted);
  border: 1px solid rgba(168, 85, 247, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 16px;
}

.cap-card h4 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-main);
}

.cap-card p {
  font-size: 13px;
  line-height: 1.55;
  color: var(--text-muted);
  margin-bottom: 18px;
}

.cap-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.cap-tags span {
  font-size: 11px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-faint);
}

/* Section Shells */
.section {
  padding: 96px 0;
  position: relative;
}

.section-head {
  max-width: 680px;
  margin: 0 auto 56px;
  text-align: center;
}

.section-title {
  font-size: 38px;
  font-weight: 800;
  margin-bottom: 14px;
  letter-spacing: -0.03em;
}

.section-subtitle {
  font-size: 16px;
  color: var(--text-muted);
}

/* Audio Demo Showcase */
.audio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.audio-item {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: transform 0.2s, border-color 0.2s;
}

.audio-item:hover {
  transform: translateY(-3px);
  border-color: rgba(168, 85, 247, 0.4);
}

.audio-cover-box {
  position: relative;
  height: 200px;
  background: var(--bg-elevated);
}

.audio-cover-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.vertical-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(6, 7, 10, 0.85);
  backdrop-filter: blur(8px);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 700;
  color: var(--brand-light);
  border: 1px solid var(--border-subtle);
}

.audio-body {
  padding: 24px;
}

.audio-body h4 {
  font-size: 17px;
  margin-bottom: 8px;
}

.audio-body p {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 20px;
  line-height: 1.5;
}

.audio-player-control {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-elevated);
  padding: 10px 16px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-subtle);
}

.play-toggle-btn {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--brand-primary);
  border: none;
  color: #ffffff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  transition: transform 0.15s, background 0.15s;
}

.play-toggle-btn:hover {
  transform: scale(1.06);
  background: var(--brand-light);
}

.audio-wave-anim {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 3px;
  height: 22px;
}

.wave-segment {
  flex: 1;
  background: rgba(255, 255, 255, 0.18);
  height: 25%;
  border-radius: 2px;
}

.audio-wave-anim.playing .wave-segment {
  background: var(--brand-light);
  animation: audio-wave 1.1s infinite alternate ease-in-out;
}

.audio-wave-anim.playing .wave-segment:nth-child(2) { animation-delay: 0.1s; }
.audio-wave-anim.playing .wave-segment:nth-child(3) { animation-delay: 0.2s; }
.audio-wave-anim.playing .wave-segment:nth-child(4) { animation-delay: 0.3s; }
.audio-wave-anim.playing .wave-segment:nth-child(5) { animation-delay: 0.4s; }
.audio-wave-anim.playing .wave-segment:nth-child(6) { animation-delay: 0.5s; }

@keyframes audio-wave {
  0% { height: 15%; }
  100% { height: 95%; }
}

.audio-timer {
  font-size: 12px;
  font-family: monospace;
  color: var(--text-faint);
}

/* ROI Calculator */
.calc-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 48px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  box-shadow: var(--shadow-card);
}

.slider-unit {
  margin-bottom: 28px;
}

.slider-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.slider-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-main);
}

.slider-readout {
  font-size: 17px;
  font-weight: 800;
  color: var(--brand-light);
}

.range-input {
  width: 100%;
  -webkit-appearance: none;
  height: 6px;
  border-radius: 3px;
  background: var(--bg-elevated);
  outline: none;
}

.range-input::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--brand-primary);
  cursor: pointer;
  box-shadow: 0 0 12px rgba(168, 85, 247, 0.6);
  transition: transform 0.1s;
}

.range-input::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

.calc-summary-panel {
  background: var(--bg-elevated);
  border: 1px solid rgba(168, 85, 247, 0.25);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.summary-metric {
  margin-bottom: 20px;
}

.metric-tag {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-faint);
  margin-bottom: 4px;
}

.metric-number {
  font-size: 34px;
  font-weight: 800;
  line-height: 1.1;
}

.metric-number.negative {
  color: var(--accent-rose);
}

.metric-number.positive {
  color: var(--accent-emerald);
  font-size: 40px;
}

/* Pricing Grid */
.pricing-switcher {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 48px;
}

.switch-opt {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-faint);
  cursor: pointer;
}

.switch-opt.active {
  color: var(--text-main);
}

.discount-tag {
  background: var(--accent-emerald-bg);
  color: var(--accent-emerald);
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.pricing-columns {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  align-items: stretch;
}

.plan-column {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform 0.2s, border-color 0.2s;
}

.plan-column:hover {
  transform: translateY(-3px);
  border-color: var(--border-medium);
}

.plan-column.featured-tier {
  background: var(--bg-elevated);
  border: 2px solid var(--brand-primary);
  box-shadow: var(--shadow-glow);
  transform: scale(1.02);
}

.plan-column.featured-tier:hover {
  transform: scale(1.03) translateY(-3px);
}

.tier-ribbon {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--brand-primary);
  color: #ffffff;
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 3px 12px;
  border-radius: var(--radius-full);
}

.plan-header h3 {
  font-size: 20px;
  margin-bottom: 6px;
}

.plan-header p {
  font-size: 13px;
  min-height: 40px;
  margin-bottom: 20px;
}

.price-display {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-subtle);
}

.price-currency {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-muted);
}

.price-figure {
  font-size: 42px;
  font-weight: 800;
  color: var(--text-main);
}

.price-unit {
  font-size: 14px;
  color: var(--text-faint);
}

.plan-checklist {
  list-style: none;
  margin-bottom: 28px;
  flex: 1;
}

.plan-checklist li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13.5px;
  color: var(--text-muted);
  margin-bottom: 12px;
  line-height: 1.45;
}

.check-mark {
  color: var(--brand-light);
  font-weight: 700;
  font-size: 14px;
}

/* Contact / Lead Section */
.contact-section {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 64px;
  align-items: center;
}

.contact-details h2 {
  font-size: 36px;
  margin-bottom: 16px;
}

.contact-details p {
  font-size: 16px;
  margin-bottom: 32px;
}

.feature-callouts {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.callout-row {
  display: flex;
  align-items: center;
  gap: 16px;
}

.callout-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--brand-muted);
  color: var(--brand-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.callout-text h4 {
  font-size: 15px;
  margin-bottom: 2px;
}

.callout-text p {
  font-size: 13px;
  margin-bottom: 0;
}

.contact-form-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 36px;
  box-shadow: var(--shadow-card);
}

.form-field-group {
  margin-bottom: 16px;
}

.field-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 6px;
}

textarea.input-box {
  resize: vertical;
  min-height: 90px;
}

/* FAQ Accordion */
.faq-accordion {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-entry {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color 0.15s;
}

.faq-entry:hover {
  border-color: var(--border-medium);
}

.faq-trigger {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 18px 24px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.faq-toggle-icon {
  font-size: 18px;
  color: var(--brand-light);
  transition: transform 0.2s ease;
}

.faq-entry.open .faq-toggle-icon {
  transform: rotate(45deg);
}

.faq-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease, padding 0.25s ease;
  padding: 0 24px;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

.faq-entry.open .faq-content {
  max-height: 250px;
  padding: 0 24px 20px;
}

/* Footer */
.site-footer {
  padding: 48px 0 32px;
  border-top: 1px solid var(--border-subtle);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-copy {
  font-size: 13px;
  color: var(--text-faint);
}

/* Mobile Sticky Bar */
.mobile-action-dock {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 40;
  background: rgba(6, 7, 10, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid var(--border-subtle);
  padding: 12px 16px;
}

.dock-buttons {
  display: flex;
  gap: 10px;
}

.dock-buttons .btn {
  flex: 1;
}

/* Toast */
.toast-msg {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--bg-elevated);
  border: 1px solid var(--brand-primary);
  color: var(--text-main);
  padding: 14px 20px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  z-index: 100;
  font-size: 14px;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.25s, transform 0.25s;
  pointer-events: none;
}

.toast-msg.show {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

/* Responsive Rules */
@media (max-width: 1080px) {
  .nav-links {
    gap: 12px;
  }
  .nav-links a {
    font-size: 12.5px;
  }
  .live-indicator {
    display: none;
  }
  .capabilities-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .pricing-columns {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 860px) {
  .hero-title {
    font-size: 40px;
  }
  .engine-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .hero-stats-row {
    flex-direction: column;
    gap: 16px;
    border-radius: var(--radius-xl);
    padding: 20px;
  }
  .stat-divider {
    width: 100%;
    height: 1px;
  }
  .audio-grid {
    grid-template-columns: 1fr;
  }
  .calc-card {
    grid-template-columns: 1fr;
  }
  .contact-layout {
    grid-template-columns: 1fr;
  }
  .nav-links {
    display: none;
  }
  .mobile-action-dock {
    display: block;
  }
  body {
    padding-bottom: 74px;
  }
}

@media (max-width: 560px) {
  .capabilities-grid {
    grid-template-columns: 1fr;
  }
  .pricing-columns {
    grid-template-columns: 1fr;
  }
  .form-row-duo {
    grid-template-columns: 1fr;
  }
  .outbound-options-grid {
    grid-template-columns: 1fr;
  }
  .reach-channels-grid {
    grid-template-columns: 1fr;
  }
  .hero-title {
    font-size: 32px;
  }
  .hero-desc {
    font-size: 16px;
  }
}